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PR rtl-optimization/17236
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-03-14  Roger Sayle  <roger@eyesopen.com>
2
3         PR rtl-optimization/17236
4         * optabs.c (expand_doubleword_mult): New helper function split out
5         from expand_binop.  Permute the order in which instructions are
6         emitted to minimize the number of simultaneously live registers.
7         (expand_binop): Call expand_doubleword_mult to synthesize a double
8         word multiplication.
9
10 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
11
12         * basic-block.h: Update the prototypes of cached_make_edge and
13         rtl_make_eh_edge.
14         * cfg.c (cached_make_edge): Take edge_cache representing one
15         row of the adjacency matrix of edges.
16         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
17         (make_edges): Initialize edge_cache to represent one row of
18         the adjacency matrix of edges.
19
20 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
21
22         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
23         New functions.
24         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
25         Remove unused removed_phis variable.
26         (conditional_replacement): Use build1/build2.
27         (abs_replacement): Use last_and_only_stmt and build1/build2.
28
29 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
30
31         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
32         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
33         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
34         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
35         * c-common.c (handle_novops_attribute): New function.
36         (c_common_attribute_table): Add "no vops" entry.
37         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
38         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
39         * tree-ssa-operands.c (get_call_expr_operands): Do not
40         create virtual operands for calls with ECF_NOVOPS flag.
41         * tree.h (DECL_IS_NOVOPS): New macro.
42         (struct tree_decl): Add novops_flag.
43         (ECF_NOVOPS): New constant.
44
45 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
46
47         PR target/17688
48         * config/i386/i386.c (x86_use_himode_fiop): New.
49         (x86_use_simode_fiop): Rename from x86_use_fiop.
50         * config/i386/i386.h (x86_use_himode_fiop): Declare.
51         (TARGET_USE_HIMODE_FIOP): New.
52         (x86_use_simode_fiop): Rename from x86_use_fiop.
53         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
54         
55         * config/i386/i386.md (X87MODEI12): New mode macro define.
56         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
57         to implement x87 FP compare with HImode input operands.
58         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
59         Use X87MODEI12 mode macro to handle HImode input operands.
60         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
61         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
62         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
63         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
64         macro to implement x87 operators with HImode input operands.
65         (fop splitters): Use X87MODEI12 mode macro to handle HImode
66         input operands.
67
68 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
69
70         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
71         integer_zerop.
72         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
73         constants invariant.
74
75 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
76
77         * basic-block.h (BB_VISITED): Removed.
78         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
79
80 2005-03-14  Falk Hueffner  <falk@debian.org>
81
82         PR bootstrap/20424
83         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
84
85 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
86
87         * ggc-zone.c: Fix comment typos.
88
89         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
90         stringpool.c, config/mips/mips-protos.h: Update copyright.
91
92 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
93
94         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
95         throughout with its typedef, "rtx".
96         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
97         (rs6000_tls_symbol_ref_1): Remove inline keyword.
98         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
99         regs in comment to match code.
100
101 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
102
103         * except.c (check_handled): Make it static.
104         * except.h: Remove the corresponding prototype.
105
106         * function.c (get_func_frame_size): Make it static.
107         * function.h: Remove the corresponding type.
108
109         * regclass.c (reg_class_superclasses, reg_class_subclasses):
110         Make them static.
111         * hard-reg-set.h: Remove the corresponding declarations.
112
113         * tree-cfg.c (verify_stmts): Check that
114         bb_for_stmt (stmt) == bb for every PHI node and statement.
115
116 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
117
118         * config.gcc: Remove excess indentation.
119         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
120
121 2005-03-13  Roger Sayle  <roger@eyesopen.com>
122
123         PR middle-end/19331
124         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
125         * fold-const.c (fold_sign_changed_comparison): Likewise.
126         (fold_binary): Optimize comparisons against widened operands if
127         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
128
129 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
130
131         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
132         (sparc_override_options): Initialize it.
133         (sparc_struct_value_rtx): Set it on the MEM to be returned.
134
135 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
136
137         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
138         (reg_or_none500mem_operand): New predicate.
139         (zero_reg_mem_operand): New predicate.
140         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
141         to reg_or_none500mem_operand.
142         (extendsfdf2_fpr): Add MEM alternative.
143         (extenddftf2_internal): Change operand2 predicate to
144         zero_reg_mem_operand.
145
146 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
147
148         * ggc-zone.c: Rewritten.
149
150         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
151         if there are none.
152         * configure.ac: Define GGC_ZONE for --with-gc=zone.
153         * config.in: Regenerated.
154         * configure: Regenerated.
155         * gengtype.c (write_types_process_field, write_func_for_structure):
156         Pass new argument to gt_pch_note_object.
157         * ggc-common.c (struct ptr_data): Add TYPE.
158         (gt_pch_note_object): Take TYPE argument and save it.
159         (call_count): Update call to ggc_pch_count_object.
160         (call_alloc): Update call to ggc_pch_alloc_object.
161         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
162         file.
163         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
164         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
165         (ggc_alloc_zone_stat): Delete.
166         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
167         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
168         (ggc_pch_alloc_object): Update prototypes.
169         (garbage_zone): Delete.
170         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
171         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
172         pointers.
173         (tree_id_zone): New variable.
174         (ggc_alloc_cleared_zone): Remove unused.
175         (ggc_alloc_zone): Define.
176         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
177         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
178         ggc_alloc_zone_stat.
179         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
180         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
181         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
182         (make_node_stat): Likewise.  Use tree_id_zone.
183
184 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
185             Joseph S. Myers  <joseph@codesourcery.com>
186
187         * configure.ac: Check for MIPS TLS.
188         * configure: Regenerated.
189         * config/mips/mips-protos.h (enum mips_symbol_type): Add
190         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
191         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
192         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
193         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
194         (mips_classify_symbol, mips_symbolic_constant_p)
195         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
196         (mips_tls_operand_p, mips_call_tls_get_addr)
197         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
198         (mips_tls_symbol_ref_1): New functions.
199         (mips_legitimize_address, mips_legitimize_const_move): Call
200         mips_legitimize_tls_address.
201         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
202         for MIPS16.
203         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
204         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
205         (mips_char_to_class): Document V1_REG.
206         (HAVE_AS_TLS): Provide default.
207         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
208         constants.
209         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
210         !TARGET_ABICALLS.
211         (tls_get_tp_<mode>): New instruction.
212
213 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
214
215         * configure.ac: Update checks for target tools.
216         * configure: Regenerated.
217
218 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
219
220         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
221
222 2005-03-13  Roger Sayle  <roger@eyesopen.com>
223
224         * expmed.c (expand_mult): Use synthetic multiplication sequences for
225         more classes of DImode multiplication by constant.  Allow both
226         multiplication by small negative constants (by performing a 
227         multiplication by a positive constant and negating the result) and
228         multiplications by large powers of two, by using a left shift.
229
230 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
231
232         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
233         of basic blocks into work_stack.
234
235         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
236         config/mips/vr.h: Update copyright.
237
238         * c-decl.c (c_init_decl_processing): Remove useless calls to
239         build_function_type.
240
241         * builtins.c (fold_trunc_transparent_mathfn,
242         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
243         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
244         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
245         fold_builtin_strcpy, fold_builtin_strncpy,
246         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
247         TREE_TYPE (exp).
248
249         * builtins.c (expand_builtin_mathfn_3): Remove local variable
250         before_call.
251
252         * lambda-code.c (lambda_compute_auxillary_space): Remove local
253         variable determinant.
254
255         * tree-cfg.c (group_case_labels): Remove local variable type.
256
257         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
258         variable ann.
259
260         * tree-ssa-phiopt.c (value_replacement): Remove local variable
261         result.
262
263 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
264
265         PR target/18251
266         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
267         (*movmemqi_insn): Delete.
268         (*movmemhi): Delete.
269
270 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
271
272         * builtins.c (fold_builtin_classify): Take decomposed
273         arguments of CALL_EXPR.
274         (fold_builtin_1): Update a call to fold_builtin_classify.
275
276 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
277
278         PR c/20402
279         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
280         through into call to parser_xref_tag after parse error.
281         (c_parser_struct_declaration): Consistently return NULL_TREE on
282         error.
283
284 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
285
286         * tree-flow-inline.h (ref_contains_array_ref): New function.
287         (lookup_subvars_for_var): Ditto.
288         (get_subvars_for_var): Ditto.
289         (var_can_have_subvars): Ditto.
290
291         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
292         (struct subvar): New type.
293
294         * tree-dfa.c (okay_component_ref_for_subvars): New function.
295
296         * tree-optimize.c (init_tree_optimization_passes): Call
297         pass_create_structure_vars.
298
299         * tree-ssa-alias.c: Include vec.h.
300         (init_alias_info): Don't auto-clear call clobbered on struct-field
301         tags.
302         (compute_flow_insensitive_aliasing): Handle subvars.
303         (group_aliases): Handle STRUCT_FIELD aliases.
304         (setup_pointers_and_addressables): Ditto.
305         Don't mark variables non-addressable if they still have
306         addressable subvars.
307         Also mark subvars addressable when the real variable is marked
308         addressable. 
309         (add_pointed_to_var): Try to prune the pointed-to set by only
310         pointing to subvars when possible.
311         Otherwise, make sure we set addresses_needed and pt_vars to
312         properly include subvars.
313         (bitpos_of_field): New function.
314         (push_fields_onto_fieldstack): Ditto.
315         (get_or_create_used_part_for): Ditto.
316         (create_overlap_variables_for): Ditto.
317         (find_used_portions): Ditto.
318         (create_structure_vars): Ditto.
319         (pass_create_structure_vars): New structure.
320
321         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
322         (get_expr_operands): Handle subvars.  Also try to turn
323         COMPONENT_REF accesses into must-defs now that we can accurately
324         portray it.
325         (note_addressable): Try to only mark as addressable those subvars
326         we know a COMPONENT_REF touches.
327         (overlap_subvar): New function.
328
329         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
330         Handle subvar storing.
331         (vect_address_analysis): Update caller of vect_object_analysis.
332
333         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
334
335         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
336         (STMT_VINFO_SUBVARS): New macro.
337
338         * common.opts: add flag_tree_salias.
339         
340         * opts.c (decode_options): flag_tree_salias defaults to on.
341         
342         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
343
344         * doc/tree-ssa.texi: Document structural alias analysis.
345         
346 2005-03-12  Steven Bosscher  <stevenb@suse.de>
347
348         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
349         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
350         * tree-ssa-operands.c (get_expr_operands): Likewise.
351         (get_expr_operands): Likewise for ERROR_MARK.
352
353 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
354
355         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
356         var.
357
358         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
359         removed_phis.
360
361         * tree-ssa-pre.c (compute_avail): Remove local variable val.
362         (mark_operand_necessary): Remove local variable ver.
363
364         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
365         variable prefix_len.
366
367         * value-prof.c (mod_subtract_transform): Remove local variable
368         value.
369
370         * builtins.c (fold_builtin_exponent): Take decomposed
371         arguments of CALL_EXPR.
372         (fold_builtin_1): Update a call to fold_builtin_exponent.
373
374         * builtins.c (fold_builtin_logarithm): Take decomposed
375         arguments of CALL_EXPR.
376         (fold_builtin_1): Update a call to fold_builtin_logarithm.
377
378         * c-decl.c (c_init_decl_processing): Remove local variables
379         ptr_ftype_void and ptr_ftype_ptr.
380
381         * gimplify.c (gimplify_expr): Remove local variables r0 and
382         r1.
383
384         * reg-stack.c (move_for_stack_reg): Remove local variable
385         push_insn.
386         (compare_for_stack_reg): Remove local variable flags_user.
387         (convert_regs_1): Remove local variable deleted.
388
389         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
390         variable new_cond.
391         (combine_blocks): Remove local variables exits and new_e.
392
393         * tree-inline.c (expand_call_inline): Remove local variable
394         decl.
395
396         * tree-ssa-live.c (create_ssa_var_map,
397         calculate_live_on_entry): Remove local variable snn.
398
399 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
400
401         * c-lex.c (c_lex_with_flags): Add parameter to call to 
402         cpp_spell_token.
403
404 2005-03-11  Per Bothner  <per@bothner.com>
405
406         * c-tree.h (struct c_declarator): New id_loc field.
407         * c-pragma.h (c_lex_with_flags): Take position reference.
408         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
409         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
410         (c_lex): Pass dummy location to c_lex_with_flags.
411         * c-parser.c (c_lex_one_token): Set c_token's location using
412         c_lex_with_flags, instead of input_location, which might be "ahead".
413         (c_parser_direct_declarator): Set declarator's id_loc from
414         c_token's id_loc.
415         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
416         declarator's id_loc, rather than probably-imprecise input_location.
417         (build_id_declarator): Initialize c_declarator's id_loc field.
418
419 2005-03-11  Roger Sayle  <roger@eyesopen.com>
420
421         PR middle-end/20419
422         * builtins.c (expand_builtin_signbit): Force the signbit's word
423         into an integer register to avoid SUBREGs of floating point modes.
424
425 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
426
427         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
428         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
429         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
430         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
431
432 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
433
434         PR rtl-optimization/20306
435         * expr.c (emit_move_complex): Set try_int false if mode is
436         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
437         emit_block_move if try_int is true.
438
439 2005-03-11  Richard Henderson  <rth@redhat.com>
440
441         PR target/20415
442         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
443         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
444         to match.
445
446 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
447
448         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
449         (TARGET_FIX_VR4130): New macro.
450         (TARGET_OPTIONS): Add -mfix-vr4130.
451         (ISA_HAS_MACCHI): New macro.
452         (ASM_SPEC): Add -mfix-vr4130.
453         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
454         (override_options): Handle mips_fix_vr4130_string.
455         (mips_avoid_hazards): Clear all_noreorder_p
456         if we're working around VR4130 errata and the macc alternatives
457         are not available.
458         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
459         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
460         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
461         (MULTILIB_DEFAULTS): Remove leading "march=".
462         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
463         if no architecture option is given.
464         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
465         VR4130 multilibs.
466         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
467         * doc/invoke.texi: Document -mfix-vr4130.
468
469 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
470
471         * config/mips/mips.c (override_options): Only warn about -mint64
472         deprecation if TARGET_INT64.
473
474 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
475
476         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
477         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
478         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
479         are non-specific regarding the nonnull parameter positions.
480         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
481         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
482         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
483         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
484         
485         * builtins.def: Use the non-specific "nonnull" attibute lists.
486
487 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
488
489         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
490         single_pred_edge, single_succ, single_pred): Improve comments.
491
492 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
493
494         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
495         single_pred_edge, single_succ, single_pred): New inline functions.
496         * bb-reorder.c (rotate_loop, find_traces_1_round,
497         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
498         duplicate_computed_gotos): Use the single_succ/pred functions.
499         * cfganal.c (forwarder_block_p): Ditto.
500         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
501         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
502         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
503         merge_seq_blocks): Ditto.
504         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
505         * cfglayout.c (fixup_reorder_chain): Ditto.
506         * cfgloop.c (mark_single_exit_loops, update_latch_info,
507         canonicalize_loop_headers, verify_loop_structure): Ditto.
508         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
509         mfb_update_loops, create_preheader, force_single_succ_latches,
510         create_loop_notes): Ditto.
511         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
512         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
513         commit_one_edge_insertion, purge_dead_edges,
514         cfg_layout_can_merge_blocks_p): Ditto.
515         * except.c (sjlj_emit_function_enter): Ditto.
516         * flow.c (init_propagate_block_info): Ditto.
517         * function.c (thread_prologue_and_epilogue_insns): Ditto.
518         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
519         insert_insn_end_bb): Ditto.
520         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
521         find_if_case_2): Ditto.
522         * lambda-code.c (perfect_nestify): Ditto.
523         * lcm.c (optimize_mode_switching): Ditto.
524         * loop-doloop.c (doloop_modify): Ditto.
525         * loop-init.c (loop_optimizer_init): Ditto.
526         * loop-iv.c (simplify_using_initial_values): Ditto.
527         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
528         * loop-unswitch.c (unswitch_loop): Ditto.
529         * modulo-sched.c (generate_prolog_epilog): Ditto.
530         * predict.c (combine_predictions_for_insn, estimate_probability,
531         tree_estimate_probability, last_basic_block_p,
532         estimate_bb_frequencies): Ditto.
533         * profile.c (branch_prob): Ditto.
534         * regrename.c (copyprop_hardreg_forward): Ditto.
535         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
536         * tracer.c (layout_superblocks): Ditto.
537         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
538         cfg_remove_useless_stmts_bb, cleanup_control_flow,
539         cleanup_control_expr_graph, disband_implicit_edges,
540         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
541         tree_verify_flow_info, tree_make_forwarder_block,
542         tree_forwarder_block_p, remove_forwarder_block,
543         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
544         * tree-if-conv.c (tree_if_conversion): Ditto.
545         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
546         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
547         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
548         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
549         copy_loop_headers): Ditto.
550         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
551         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
552         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
553         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
554         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
555         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
556         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
557         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
558         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
559         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
560         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
561         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
562         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
563         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
564         slpeel_add_loop_guard): Ditto.
565
566 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
567
568         PR tree-optimization/15784
569         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
570         and -1 - A to ~A.
571
572         * stmt.c (expand_case): Don't change index_type.  Convert minval
573         to the proper type.
574
575         PR tree-optimization/20130
576         * fold-const.c (fold): Fold x * -1 into -x.
577
578 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
579
580         PR rtl-optimization/20331
581         * rtlanal.c (modified_between_p): Check its address first for MEM.
582         (modified_in_p): Likewise.
583
584 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
585
586         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
587
588 2005-03-10  Steven Bosscher  <stevenb@suse.de>
589
590         * expr.c (expand_expr_real_1): If possible, use a conditional
591         move for expanding MIN_EXPR and MAX_EXPR.
592         Use temp for moving around rtx-en.
593
594 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
595
596         PR rtl-opt/20412
597         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
598         correct mode.
599
600 2005-03-10  Roger Sayle  <roger@eyesopen.com>
601
602         * builtins.c (expand_builtin_signbit): Extend to handle floating
603         point modes wider than the largest integer type, using the
604         operand_subword_force function to obtain the signbit's word.
605
606 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
607
608         PR target/20322
609         * combine.c (try_combine): If recog_for_combine added CLOBBERs
610         to NEWI2PAT, fail to combine if they are used by NEWPAT.
611
612 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
613
614         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
615
616 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
617
618         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
619         type void.
620         (perform_edge_inserts): Unconditionally call
621         free_dominator_info.
622
623         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
624
625 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
626
627         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
628
629 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
630
631         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
632
633         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
634         gcc_unreachable.
635         (rtl_register_value_prof_hooks,
636         tree_value_profile_transformations,
637         tree_register_value_prof_hooks): Likewise.
638         * var-tracking.c (stack_adjust_offset_pre_post,
639         variable_htab_free, variable_union, dataflow_set_different_2,
640         count_uses, variable_was_changed, set_frame_base_location,
641         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
642         vt_add_function_parameters): Likewise.
643         * varasm.c (named_section_real, named_section, make_decl_rtl,
644         asm_emit_uninitialised, assemble_integer, decode_addr_const,
645         const_hash_1, compare_constant, copy_constant, force_const_mem,
646         output_constant_pool_2, output_constant_pool_1, output_constant,
647         output_constructor, make_decl_one_only, decl_tls_model,
648         default_no_named_section, default_elf_select_section_1,
649         default_unique_section_1): Likewise.
650         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
651         * vmsdbgout.c (addr_const_to_string): Likewise.
652
653         PR c++/20375
654         * function.c (struct assign_parm_data_one): Remove last_named
655         field.
656         (assign_parm_find_data_types): Don't determine last_named.
657         Reorder named_parm determination.
658         (assign_parms): Only setup varargs on the last non-varadic
659         parameter.
660
661 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
662
663         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
664         sda base address on medium model.
665
666 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
667
668         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
669         * cfgloop.c (flow_loop_nodes_find): Export.
670         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
671         Declare.
672         * cfgloopmanip.c (fix_loop_structure): New function.
673         * predict.c (predict_loops): Clean up the loops information.
674         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
675         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
676         loop structure.
677         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
678         (rewrite_into_loop_closed_ssa): Declaration changed.
679         * tree-loop-linear.c (linear_transform_loops): Add argument to
680         rewrite_into_loop_closed_ssa call.
681         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
682         * tree-ssa-loop-im.c (move_computations): Ditto.
683         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
684         * tree-vectorizer.c (vectorize_loops): Ditto.
685         * tree-optimize.c: Include cfgloop.h.
686         (execute_todo): Choose whether to call cleanup_tree_cfg or
687         cleanup_tree_cfg_loop.
688         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
689         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
690         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
691         cleanup_tree_cfg_loop call.
692         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
693         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
694         work on part of cfg.
695
696 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
697
698         PR inline-asm/20314
699         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
700         with multiple alternatives.
701
702         * stmt.c (parse_output_constraint): Fix a typo.
703
704 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
705
706         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
707         assembly directive instead of deprecated "no-generics".
708
709 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
710
711         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
712         for non-offsettable memory references to cope with outstanding reload
713         replacements.
714         * config/s390/s390.md ("reload_outti"): Call find_replacement to
715         avoid losing outstanding address reloads.
716         ("reload_outdi", "reload_outdf"): Likewise.
717
718 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
719
720         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
721         code.  Add more cbrt transformations.
722
723 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
724
725         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
726
727 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
728
729         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
730         NULL_TREE when a given tree is not simplified.
731         (fold): Return the original tree when any of the functions
732         mentioned above NULL_TREE.
733
734         * fold-const.c (fold_unary, fold_binary): Take decomposed
735         arguments, code, type, op0, and op1 in case of fold_binary.
736         (fold): Update calls to fold_unary and fold_binary.
737
738 2005-03-09  Roger Sayle  <roger@eyesopen.com>
739
740         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
741         a fndecl and an arglist instead of a CALL_EXPR, exp.
742
743 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
744
745         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
746
747         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
748
749         * expr.c (expand_assignment): Remove orig_to_rtx.
750
751         * fold-const.c (int_const_binop): Remove no_overflow.
752
753         * ifcvt.c (noce_emit_move_insn): Remove inmode.
754
755         * loop-iv.c (get_biv_step_1): Remove lhs.
756
757         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
758
759         * real.c (real_nan): Remove neg.
760
761         * function.c (thread_prologue_and_epilogue_insns): Remove i
762         and newinsn.
763
764         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
765         tb.
766
767         * tree-eh.c (tree_could_trap_p): Remove idx.
768
769         * tree-into-ssa.c (ann): Remove ann.
770
771         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
772
773         * tree-sra.c (decide_block_copy): Remove inst_count.
774
775         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
776
777         * tree-ssa-loop-im.c (lhs): Remove.
778
779         * cfgbuild.c (state, STATE, SET_STATE,
780         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
781         make_edges.
782         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
783         (find_basic_blocks): Set the state of each basic block to
784         BLOCK_NEW.
785
786 2005-03-08  Jeff Law  <law@redhat.com>
787
788         * tree-cfg.c (cleanup_control_flow): If removal of a computed
789         goto results in the removal of edges in the CFG, then we need
790         to recompute dominators.
791
792 2005-03-09  Ben Elliston  <bje@au.ibm.com>
793
794         * c-common.c (c_do_switch_warnings): Comment fix.
795
796 2005-03-08  Julian Brown  <julian@codesourcery.com>
797
798         * Patch from 2005-03-08 reverted for causing regressions and
799         ppc-darwin bootstrap failure.
800
801 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
802
803         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn): 
804         Define the real function for ppc-darwin.
805         * c-typeck.c (convert_arguments): Check for target-specific
806         invalid argument call to unprototyped function.
807         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN): 
808         New Macro.
809         * target.h (invalid_arg_for_unprototyped_fn): New field 
810         in struct calls.
811         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New 
812         default target hook.
813         * targhooks.h (hook_invalid_arg_for_unprototyped_fn): 
814         Declare.
815
816 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
817
818         * c-typeck.c (constructor_stack, constructor_range_stack,
819         initializer_stack): Make them static.
820
821         * cfg.c (rbi_pool): Make it static.
822
823         * gimple-low.c (lower_stmt_body): Make it static.
824         * tree-flow.h: Remove the corresponding prototype.  Don't
825         declare lower_data.
826
827         * sched-deps.c (cache_size): Make it static.
828
829         * stor-layout.c (lang_adjust_rli): Make it static.
830
831 2005-03-08  Julian Brown  <julian@codesourcery.com>
832
833         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
834         from being used for symbols with vague linkage when
835         HAVE_GAS_COMDAT_GROUP is true.
836
837 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
838
839         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
840         nlabel == JUMP_LABEL (jump).
841
842 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
843
844         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
845         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
846         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
847         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
848
849 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
850
851         PR c/14411
852         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
853         * c-common.c (handle_returns_twice): New function.
854         (c_common_attribute_table): Declare eturns_twice' attribute.
855         * doc/extend.texi: Document eturns_twice' attribute.
856         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
857         (struct tree_decl): Add returns_twice_flag.
858
859 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
860
861         * tree-ssa-phiopt.c: Fix a comment typo.
862
863         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
864         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
865         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
866         copyright.
867
868 2005-03-08  Richard Henderson  <rth@redhat.com>
869
870         * config/alpha/alpha.c (code_for_builtin): Replace special-case
871         builtin codes with ctzdi2, clzdi2, popcountdi2.
872         (struct alpha_builtin_def): Add is_const.
873         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
874         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
875         (alpha_init_builtins): Init them.  Set nothrow and const attributes
876         on builtins.
877         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot, 
878         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx, 
879         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh, 
880         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
881         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
882         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
883         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
884         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
885         (TARGET_FOLD_BUILTIN): New.
886         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
887         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
888         (ffsdi2): Use ctz.
889         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
890
891 2005-03-08  Ira Rosen  <irar@il.ibm.com>
892
893         PR tree-optimization/20122
894         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
895         condition of access function instead of base.
896
897 2005-03-07  Jeff Law  <law@redhat.com>
898             Steven Bosscher  <stevenb@suse.de>
899
900         * tree-cfg.c (find_taken_edge_computed_goto): New function.
901         (find_taken_edge): Call find_taken_edge_computed_goto as
902         appropriate.  Allow any gimple invariant rather than just
903         INTEGER_CST for VAL.
904         (cleanup_control_flow): Cleanup a computed goto which has turned
905         into a simple goto.
906         (tree_merge_blocks): If block B has any forced labels, move
907         them to the start of block A.
908         * tree-ssa-dom.c (thread_across_edge): Allow threading across
909         computed gotos as well.
910         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
911         removal of unnecessary computed gotos too.
912         (lookup_redirection_data): Fix type of INSERT argument.  Callers
913         updated.
914
915 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
916
917         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
918         Remove trailing spaces.
919
920         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
921         unshare_all_trees): Make them static.
922         * tree-gimple.h: Remove the corresponding prototypes.
923
924         * diagnostic.h: Remove unused prototype
925         debug_output_buffer.
926         * modulo-sched.c: Remove unused prototype
927         set_row_column_for_ps.
928
929         * tree-ssa-phiopt.c (tree_ssa_phiopt,
930         replace_phi_edge_with_variable): Remove unused variable i.
931
932 2005-03-07  Per Bothner  <per@bothner.com>
933
934         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
935
936 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
937         
938         PR tree-opt/17671
939         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
940         bbs on the COND_EXPR instead of the PHI_NODEs.
941         (candidate_bb_for_phi_optimization): Remove.
942         (replace_phi_with_stmt): Rename to ...
943         (replace_phi_edge_with_variable): this and change so that we
944         replace the phi argument instead of removing the PHI.
945         (conditional_replacement): Change so we deal with PHI with more
946         than two arguments.
947         (value_replacement): Likewise.
948         (abs_replacement): Likewise.
949
950 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
951
952         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
953         output_e500_flip_gt_bit.
954
955         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
956         as bit 31.
957         (rs6000_generate_compare): Fix logic to look at the correct bits.
958         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
959         Look at GT bit.
960         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
961         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
962         gen_move_from_CR_gt_bit.
963
964         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
965         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
966         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
967
968         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
969         (E500_CR_IOR_COMPARE): New constant.
970
971 2005-03-08  Earl Chew <earl_chew@agilent.com>
972             David Billinghurst <David.Billinghurst@riotinto.com>
973
974         * config/i386/host-cygwin.c: New file to support precompiled
975         headers on cygwin
976         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
977         * config.host: Use above files for cygwin host.
978
979 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
980
981         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
982         ordering ops from earlier change.
983
984 2005-03-07  Per Bothner  <per@bothner.com>
985
986         Various fixes to allow us to again build if --enable-mapped-location:
987         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
988         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
989         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
990         local variable loc. Change logic appropriately.
991         * tree-vect-transform.c (vect_finish_stmt_generation): Use
992         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.    
993         * c-parser.c (c_parser_for_statement): Initialize loc variable.
994         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
995         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
996
997 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
998
999         PR rtl-optimization/19683
1000         * reload1.c (choose_reload_regs): Pass the number of bits, not the
1001         number of bytes, to smallest_int_for_mode.  Fix arguments to
1002         REG_CANNOT_CHANGE_MODE_P.
1003
1004 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
1005
1006         * reorg.c (relax_delay_slots): Check that the jump is
1007         conditional before trying to invert it.
1008
1009 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
1010
1011         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
1012         Make them static.
1013
1014         * calls (stack_arg_under_construction): Make it static.
1015
1016         * flow.c (regs_live_at_setjmp): Make it static.
1017         * flow.h: Remove the corresponding prototype.
1018
1019         * reload1.c (reload_startobj, reload_firstobj,
1020         something_needs_operands_changed, reload_inherited,
1021         reload_inheritance_insn, reload_override_in,
1022         reload_spill_index): Make them static.
1023
1024         * recog.c (verify_changes): Make it static.
1025         * recog.h: Remove the corresponding prototype.
1026
1027         * cfgbuild.c (find_sub_basic_blocks): Remove.
1028         * basic-block.h: Remove the corresponding prototype.
1029         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
1030         in comments.
1031         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
1032
1033         * tree-ssa-operands.c (check_build_stmt): Remove.
1034
1035         * stor-layout.c (set_alignment): Remove.
1036         * tree.h: Remove the corresponding prototype.
1037
1038         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
1039
1040         * tree-ssa-dce.c (control_dependence_map,
1041         visited_control_parents): Make them static.
1042
1043         * cfghooks.c (verify_flow_info): Remove local variable
1044         num_bb_notes.
1045
1046         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
1047         last_bb_seen.
1048
1049         * loop-unswitch.c (unswitch_loop): Remove local variable src.
1050
1051 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
1052
1053         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
1054
1055 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
1056
1057         * config/ia64/hpux.h (LINK_SPEC): Add -z.
1058         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
1059         PARALLEL for an empty structure.
1060
1061 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
1062
1063         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
1064
1065         * fold-const.c (fold_binary): Unroll the very first "for"
1066         loop.
1067
1068 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
1069
1070         * config/rs6000/predicates.md (branch_comparison_operator): Remove
1071         redundant match_code test.
1072         (scc_comparison_operator): Swap match_operand and match_code
1073         tests.
1074         (branch_positive_comparison_operator): Same.
1075         (trap_comparison_operator): Use comparison_operator and swap with
1076         match_code test.
1077
1078 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
1079
1080         PR target/20288
1081         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
1082         (out_movhi_r_mr): Read low byte of volatile MEM first.
1083         (out_movhi_mr_r): Write high byte of volatile MEM first.
1084
1085 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
1086
1087         * cselib.c (reg_values, reg_values_size): Make them static.
1088
1089         * cse.c (cse_reg_info_table): Make it static.
1090
1091         * fold-const.c (fold_unary): Use build1 instead of copy_node.
1092
1093 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
1094
1095         * cse.c (find_best_addr): Use canon_for_address.
1096
1097 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
1098
1099         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
1100         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
1101         SUBREG and MEM, respectively.
1102
1103         * fold-const.c (fold_binary): Use code instead of t.
1104
1105         * fold-const.c (optimize_minmax_comparison): Take decomposed
1106         arguments code, type, op0, and op1 instead of t.
1107         (fold_binary): Update a call to optimize_minmax_comparison.
1108
1109         * fold-const.c (fold_range_test): Take decomposed arguments
1110         code, type, op0, and op1 instead of t.
1111         (fold_binary): Update a call to fold_range_test.
1112
1113         * fold-const.c (fold_binary_op_with_conditional_arg): Take
1114         decomposed arguments code, type, op0, and op1 instead of t.
1115         (fold_binary): Update a call to fold_range_test.
1116
1117 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
1118
1119         * fold-const.c (fold_binary): Avoid directly using the original
1120         expression t as much as possible.
1121
1122 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
1123
1124         * c-semantics.c (build_stmt): Use TYPE_P instead of
1125         IS_NON_TYPE_CODE_CLASS.
1126         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
1127         (NON_TYPE_CHECK): Use TYPE_P instead of
1128         IS_NON_TYPE_CODE_CLASS.
1129
1130         * fold-const.c (fold): Remove handling of binary expressions.
1131
1132 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
1133
1134         * doc/c-tree.texi: Wrap comments in @r{}.
1135         * doc/cpp.texi: Likewise.
1136         * doc/cppinternals.texi: Likewise.
1137         * doc/extend.texi: Likewise.
1138         * doc/md.texi: Likewise.
1139         * doc/objc.texi: Likewise.
1140         * doc/sourcebuild.texi: Likewise.
1141         * doc/tm.texi: Likewise.
1142         * doc/tree-ssa.texi
1143
1144 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
1145
1146         * predict.c (apply_return_prediction): Standardize PHI chain
1147         walking.
1148         * tree-ssa.c (ssa_redirect_edge): Likewise.
1149
1150         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
1151         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
1152         Update copyright.
1153
1154         * tree-phinodes.c (remove_phi_node): Drop the last argument.
1155         * tree-flow.h: Adjust the prototype for remove_phi_node.
1156         * lambda-code.c (perfect_nestify): Adjust a call to
1157         remove_phi_node.
1158         * tree-cfg.c
1159         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
1160         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
1161         Likewise.
1162         * tree-ssa-dce.c (remove_dead_phis): Likewise.
1163         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
1164         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
1165         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
1166
1167         * combine.c (simplify_and_const_int): Use gen_int_mode instead
1168         of GEN_INT (trunc_int_for_mode (...)).
1169         * loop-iv.c (iv_number_of_iterations): Likewise.
1170         * postreload.c (reload_cse_move2add): Likewise.
1171         * simplify-rtx.c (simplify_const_unary_operation,
1172         simplify_const_binary_operation): Likewise.
1173         * stor-layout.c (get_mode_bounds): Likewise.
1174
1175         * fold-const.c (fold_binary): New.
1176         (fold): Call fold_binary on binary expressions.
1177
1178 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
1179
1180         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
1181         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
1182         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
1183         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
1184         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
1185
1186 2005-03-04  Devang Patel  <dpatel@apple.com>
1187         
1188         PR tree-optimization/18815
1189         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
1190         loops with zero exit edges.
1191
1192 2005-03-04  Devang Patel  <dpatel@apple.com>
1193
1194         * doc/invoke.texi: Remove reference to webpage that does not exist.
1195         
1196 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
1197             Joseph S. Myers  <joseph@codesourcery.com>
1198
1199         PR c++/19797
1200         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
1201         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
1202         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
1203         * pa.c (get_plabel): Change argument to symbol_ref.  Call
1204         maybe_get_identifier instead of get_identifier.
1205         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
1206         (struct deferred_plabel): Replace name field with symbol field.
1207         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
1208         ASM_OUTPUT_EXTERNAL_REAL is defined.
1209         (output_global_address): Use output_addr_const for output of all
1210         symbol_refs.
1211         (output_deferred_plabels): Use symbol_ref instead of name for address
1212         output.
1213         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
1214         ASM_OUTPUT_SYMBOL_REF): New macros.
1215         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
1216         comment.
1217         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
1218         label.
1219
1220 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
1221
1222         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
1223         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
1224
1225 2005-03-04  Jeff Law  <law@redhat.com>
1226
1227         * basic-block.h (rediscover_loops_after_threading): Declare.
1228         * tree-ssa-dom.c: Include cfgloop.h.
1229         (tree_ssa_dominator_optimize): Discover loops and some basic
1230         properties.  Remove forwarder blocks recreated by loop header
1231         canonicalization.  Also mark backedges in the CFG.
1232         * tree-ssa-threadupdate.c: Include cfgloop.h
1233         (rediscover_loops_after_threading): Define.
1234         (struct local_info): New field, JUMP_THREADED.
1235         (prune_undesirable_thread_requests): New function.
1236         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
1237         then record that fact for the callers of redirct_edges.
1238         (thread_block): If BB has incoming backedges, then call
1239         prune_undesirable_thraed_requests.    Note when we are
1240         going to have to rediscover loop information.  Return a
1241         boolean indicating if any jumps were threaded.
1242         (thread_through_all_blocks): Bubble up boolean indicating
1243         if any jumps were threaded.
1244         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
1245         (tree-ssa-threadupdate.o): Similarly.
1246
1247 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
1248
1249         * fold-const.c (fold_ternary): Unroll the "for" loop to
1250         extract operands.  
1251
1252 2005-03-04  Andrew Haley  <aph@redhat.com>
1253
1254         * unwind-dw2-fde-glibc.c (struct
1255         unw_eh_callback_data.check_cache): New field.
1256         (frame_hdr_cache): New.
1257         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
1258         Cache frame header info.
1259
1260 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
1261
1262         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
1263         (print_c_condition): Declare.
1264         * read-rtl.c (ptr_loc): New structure.
1265         (ptr_locs, ptr_loc_obstack, joined_conditions)
1266         (joined_conditions_obstack): New variables.
1267         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
1268         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
1269         (join_c_conditions, print_c_condition): New functions.
1270         (apply_macro_to_string): Associate the new string with the same
1271         source location as the old one.
1272         (add_condition_to_string): Use join_c_conditions.
1273         (read_string): Use set_rtx_ptr_loc to record a filename and line
1274         number for the string.
1275         (read_rtx): Initialize the new variables above.
1276         * genattrtab.c (write_test_expr, write_attr_value): Use
1277         print_c_condition.
1278         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
1279         comment above the GCC_VERSION check.
1280         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
1281         Inline the definition of MAYBE_EVAL.
1282         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
1283         * genoutput.c (process_template): Likewise.
1284         * genpreds.c (write_predicate_subfunction): Likewise.
1285         (write_predicate_expr): Use print_c_condition.
1286         * genrecog.c (write_cond): Likewise.
1287         * gensupport.c (process_rtx): Use join_c_conditions to join the
1288         conditions of a define_insn_and_split.  Record a source location
1289         for the string after the "&&".
1290         (alter_test_for_insn): Use join_c_conditions.
1291
1292 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
1293
1294         Revert for now:
1295         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
1296         PR tree-optimization/15784
1297         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
1298         and -1 - A to ~A.
1299
1300 2005-03-04  Ben Elliston  <bje@au.ibm.com>
1301
1302         * gcc.c (option_map): Add --coverage.
1303         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
1304         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
1305         * config/darwin.h: Pass -lgcov for `coverage'.
1306         * doc/invoke.texi (Debugging Options): Document --coverage.
1307
1308 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
1309
1310         * gcse.c (bypass_block): Use find_edge wherever possible.
1311
1312 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
1313
1314         Fix PR debug/20253
1315         
1316         * c-opts.c (c_common_parse_file): Call start_source_file
1317         and end_source_file at the approriate times.
1318
1319         * dwarf2out.c (dwarf2out_finish): Don't auto-end
1320         the main file, it will be done for us now.
1321         
1322 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
1323
1324         * fold-const.c (fold_ternary): New.
1325         (fold): Call fold_ternary on ternary expressions.  Remove
1326         handling of ternary expressions.
1327
1328 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
1329
1330         PR tree-optimization/15784
1331         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
1332         and -1 - A to ~A.
1333
1334 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
1335
1336         * config/rs6000/predicates.md (branch_comparison_operator):
1337         Convert from C block to conditional format.
1338
1339 2005-03-03  Jan Hubicka  <jh@suse.cz>
1340
1341         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
1342         and non-constant public variables.
1343
1344 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
1345
1346         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
1347         with LABEL_EXPR.
1348
1349         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
1350         EDGE_I.
1351
1352         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
1353         calls to release_ssa_name and release_phi_node.
1354
1355         * fold-const.c (fold): Remove handling of unary expressions.
1356
1357         * fold-const.c (fold_unary): Avoid directly using the original
1358         expression t as much as possible.
1359
1360 2005-03-03  Roger Sayle  <roger@eyesopen.com>
1361             Andrew Pinski  <pinskia@physics.uc.edu>
1362
1363         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
1364         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
1365
1366 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
1367
1368         Describe special registers SRP and MOF as allocatable registers.
1369         * config/cris/cris.c (cris_md_asm_clobbers): New function.
1370         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
1371         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
1372         TARGET_HAS_MUL_INSNS.
1373         (cris_print_operand) <case 'd'>: New case.
1374         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
1375         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
1376         define.
1377         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
1378         (REG_ALLOC_ORDER): Update for MOF.
1379         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
1380         SPECIAL_REGS.
1381         (GENERAL_REGS): No longer a define of ALL_REGS.
1382         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
1383         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
1384         Adjust accordingly.
1385         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
1386         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
1387         (SECONDARY_RELOAD_CLASS): Define.
1388         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
1389         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
1390         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
1391         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
1392         (REGISTER_MOVE_COST): Define.
1393         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
1394         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
1395         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
1396         (CRIS_MOF_REGNUM): New define_constants.
1397         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
1398         special registers.
1399         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
1400         New patterns.
1401         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
1402         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
1403         Adjust for MOF being properly described as a register.
1404         (indir_to_reg_split): Name this split.  Conditionalize on the
1405         destination register being a general register.
1406         (movei): Conditionalize on on operands 0 and 1 having the same
1407         register class.
1408
1409 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
1410
1411         PR target/20277
1412         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
1413         -mcpu to override any other explicitly given flags.
1414
1415 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
1416
1417         * recog.c (verify_changes, confirm_change_group): New functions,
1418         broken out of apply_change_group.
1419         (apply_change_group): Use them.
1420         * recog.h (verify_change, confirm_change_group): Declare.
1421         * rtl.h (redirect_jump_2): Declare.
1422         * jump.c (redirect_exp, invert_exp): Delete.
1423         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
1424         (redirect_jump_2): New function, broken out of redirect_jump.
1425         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
1426         (invert_jump): Use invert_jump_1 and redirect_jump_2.
1427         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
1428
1429 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
1430
1431         * varasm.c (named_section): Use xstrdup rather than doing it by
1432         hand.
1433
1434         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
1435
1436 2005-03-02  Devang Patel  <dpatel@apple.com>
1437         
1438         Undo PR tree-optimization/18815 fix.
1439         
1440 2005-03-02  Devang Patel  <dpatel@apple.com>
1441
1442         PR tree-optimization/18815
1443         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
1444         loops with zero exit edges.
1445         
1446 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
1447
1448         * cfg.c (connect_src, connect_dest, disconnect_src,
1449         disconnct_dest): New.
1450         (unchecked_make_edge, remove_edge, redirect_edge_succ,
1451         redirect_edge_pred): Use the new functions.
1452
1453         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
1454         free_dominance_info only when needed.
1455
1456 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
1457
1458         PR target/20276
1459         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
1460         (reg_or_sub_cint64_operand): Same.
1461
1462 2005-03-02  Jeff Law  <law@redhat.com>
1463
1464         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
1465         CFG_ALTERED in the main DOM iteration loop.
1466
1467 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
1468
1469         PR c++/19916
1470         * varasm.c (initializer_constant_valid_p): Allow conversions
1471         between OFFSET_TYPEs.  Tidy.
1472
1473 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
1474
1475         * config/cris/cris.md ("return"): Remove epilogue delay list
1476         sanity check.
1477
1478 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
1479
1480         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
1481         for Thumb.
1482         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
1483
1484 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
1485
1486         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
1487         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
1488         config/m68k/m68k.c, config/mips/mips.h,
1489         config/rs6000/rs6000-protos.h, doc/contrib.texi,
1490         doc/include/gcc-common.texi: Update copyright.
1491
1492         PR middle-end/18029 and PR middle-end/18030
1493         * expr.c (optimize_bitfield_assignment_op): Add a special case
1494         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
1495
1496         * fold-const.c (fold_unary): New.
1497         (fold): Call fold_unary on unary expressions.
1498
1499 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
1500
1501         * cgraph.h (struct cgraph_edge): Add prev_caller and
1502         prev_callee fields.
1503         (cgraph_node_remove_callees): Export.
1504         * cgraph.c (cgraph_create_edge): Initialize prev_caller
1505         and prev_callee.
1506         (cgraph_edge_remove_callee): New function.
1507         (cgraph_edge_remove_caller): Likewise.
1508         (cgraph_remove_edge): Use.
1509         (cgraph_redirect_edge_callee): Likewise.
1510         (cgraph_node_remove_callees): New function.
1511         (cgraph_node_remove_callers): Likewise.
1512         (cgraph_remove_node): Use.
1513         * tree-optimize.c (tree_rest_of_compilation): Use
1514         cgraph_node_remove_callees instead of manual loop.
1515         * cgraphunit.c (cgraph_finalize_function): Likewise.
1516         (cgraph_expand_function): Likewise.
1517         (cgraph_remove_unreachable_nodes): Likewise.
1518
1519 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
1520
1521         PR c/8927
1522         * c-tree.h (undeclared_variable, build_external_ref): Add extra
1523         argument.
1524         * c-decl.c (undeclared_variable): Take location as argument.
1525         * c-typeck.c (build_external_ref): Likewise.
1526         * c-parser.c (c_parser_postfix_expression): Pass location of
1527         identifier to build_external_ref.
1528
1529 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
1530
1531         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
1532         CCEQ mode for branch_positive_comparison_operator test.
1533         * config/rs6000/predicates (branch_comparison_operator): Revert to
1534         define_predicate.
1535         (scc_comparison_operator): Same.
1536         (branch_positive_comparison_operator): Same.
1537
1538 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
1539
1540         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
1541         (cris_delay_slots_for_epilogue): Remove.
1542         (save_last): Move into cris_target_asm_function_epilogue.
1543         (cris_target_asm_function_epilogue): Remove tests for file being
1544         NULL.
1545         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
1546         (cris_delay_slots_for_epilogue): Remove prototypes.
1547         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
1548         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
1549
1550 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
1551
1552         * config/rs6000/predicates.md (branch_comparison_operator): Change
1553         to define_special_predicate.
1554         (scc_comparison_operator): Same.
1555         (branch_positive_comparison_operator): Same.
1556
1557 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
1558
1559         * Makefile.in (tree-ssa-sink.o): New.
1560         (OBJS-common): Add tree-ssa-sink.o.
1561         * common.opt: Add -ftree-sink
1562         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
1563         * timevar.def (TV_TREE_SINK): new timevar.
1564         * tree-flow.h (is_hidden_global_store): Prototype.
1565         * tree-optimize.c (init_tree_optimization_passes): Add
1566         pass_sink_code.
1567         * tree-pass.h (pass_sink_code): New.
1568         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
1569         for non-obvious global store store to is_hidden_global_store, and
1570         call that new function.
1571         * tree-ssa-sink.c: New file.
1572         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
1573         * doc/passes.texi: Document forward store motion.
1574         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
1575         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
1576         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
1577         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
1578
1579 2005-03-01  Per Bothner  <per@bothner.com>
1580
1581         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
1582         and we have a non-zero column-number, add it to the message.
1583         Also factor out the diagnostic_kind_text.
1584
1585 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
1586
1587         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
1588         flow_loop_pre_header_scan, flow_loop_pre_header_find,
1589         flow_loop_scan): Removed.
1590         (flow_loop_dump): Do not dump removed fields.
1591         (flow_loop_free): Do not free removed fields.
1592         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
1593         (loop_exit_edge_p): New function.
1594         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
1595         num_pre_header_edges, entry_edges, num_entries, exit_edges,
1596         num_exits, exits_doms.
1597         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
1598         LOOP_EDGES, LOOP_ALL): Removed.
1599         (flow_loop_scan): Declaration removed.
1600         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
1601         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
1602         flow_loops_find.
1603         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
1604         (if_convert): Call flow_loops_find and flow_loops_free
1605         when calling mark_loop_exit_edges.
1606         * cfgloopanal.c (mark_loop_exit_edges): Moved from
1607         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
1608         free_dominance_info calls.
1609         * loop-init.c (flow_loops_find): Ditto.
1610         * passes.c (rest_of_handle_branch_prob): Ditto.
1611         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
1612         * loop-unroll.c (analyze_insns_in_loop): Do not use
1613         EDGE_LOOP_EXIT.
1614         * predict.c (predict_loops): Do not call flow_loop_scan.
1615         Use get_loop_exit_edges.
1616         (tree_estimate_probability): Do not pass flags to flow_loops_find.
1617         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
1618         Do not use EDGE_LOOP_EXIT.
1619         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
1620         to bb_with_exit_edge_p.
1621         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
1622         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
1623         to bb_with_exit_edge_p.
1624         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
1625         EDGE_LOOP_EXIT.
1626         * tree-loop-linear.c (linear_transform_loops): Do not call
1627         flow_loop_scan.  Use loop->single_exit.
1628         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
1629         (vect_analyze_loop_form): Do not call flow_loop_scan.
1630         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
1631         loop->single_exit.
1632         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
1633         loop->single_exit.
1634         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
1635         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
1636         slpeel_tree_duplicate_loop_to_edge_cfg,
1637         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
1638         Use loop_preheader_edge and loop->single_exit.  Do not call
1639         flow_loop_scan.
1640
1641 2005-03-01  Nick Clifton  <nickc@redhat.com>
1642
1643         * config/arm/arm.c (thumb_find_work_register): Check all of the
1644         argument registers to see if they are free, and a couple of
1645         special cases where the last argument register but can be proved
1646         to be available during the function's prologue.
1647         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
1648         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
1649         thumb_unexpanded_epilogue): Use unsigned long as the type for the
1650         register bit-mask.
1651         (thumb_compute_save_reg_mask): Likewise.  Also use
1652         thumb_find_work_register() to ensure that there is agreement about
1653         which work register is going to be used in the prologue.
1654         (thumb_output_function_prologue): Use unsigned long as the type
1655         for the register bit-mask.  Also delay pushing the link register if
1656         other high registers are going to be pushed.
1657         (thumb_compute_save_reg_mask, emit_multi_reg_push,
1658         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
1659         redundant prototypes.
1660
1661 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
1662
1663         PR target/19819
1664         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
1665         and after reload in REG+REG indexed addresses without REG_POINTER
1666         set in the base and not set in the index.
1667
1668 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
1669
1670         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
1671         Don't undefine here.
1672         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
1673         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
1674         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
1675         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
1676         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
1677         Delete.
1678         * config.gcc (sh*-*-linux*): Use config/linux.h.
1679
1680 2005-02-28  Dale Johannesen  <dalej@apple.com>
1681             Stan Shebs  <shebs@apple.com>
1682
1683         Rewrite of 64-bit Darwin structure-by-value pass/return.
1684         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
1685         intoffset, use_stack, named.
1686         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
1687         (rs6000_darwin64_record_arg_advance_flush):  New.
1688         (rs6000_darwin64_record_arg_advance_recurse): New.
1689         (rs6000_darwin64_record_arg_flush):  New.
1690         (rs6000_darwin64_record_arg_recurse):  New.
1691         (rs6000_darwin64_record_arg):  New.
1692         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
1693         (function_arg_boundary):  Handle 128-bit aligned structs.
1694         (function_arg_advance):  Rewrite darwin64 struct handling.
1695         (function_arg):  Call rs6000_darwin64_record_arg.
1696         (function_arg_partial_nregs):  Handle darwin64 structs.
1697         (rs6000_darwin64_function_value):  Remove.
1698         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
1699
1700 2005-02-28  Roger Sayle  <roger@eyesopen.com>
1701
1702         PR tree-optimization/20216
1703         * tree-chrec.c (tree_fold_factorial): Delete.
1704         (tree_fold_binomial): Change argument list to take a return type
1705         and change the type of K to unsigned int.  Rewrite to avoid explicit
1706         evaluation of factorials, and (recursively) calling fold to perform
1707         compile-time arithmetic.  Return NULL on (internal) overflow.
1708         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
1709         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
1710         if any intermediate calculation overflows.
1711         (chrec_apply): Update call to chrec_evaluate.
1712
1713 2005-02-28  James E Wilson  <wilson@specifixinc.com>
1714
1715         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
1716
1717 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
1718
1719         PR c/20245
1720         * c-parser.c (c_parser_compound_statement): Return error_mark_node
1721         instead of NULL_TREE on error.
1722
1723 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
1724
1725         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
1726         (EASY_VECTOR_15_ADD_SELF): Remove.
1727         (num_insns_constant_wide): Not static.
1728         (validate_condition_mode): Not static.
1729         (toc_relative_expr_p): Not static.
1730         (legitimate_indirect_address_p): Not static.
1731         (macho_lo_sum_memory_operand): Not static.
1732         (invalid_e500_subreg): Not static.
1733         (easy_vector_same): Not static.
1734         (easy_vector_splat_const): Not static.
1735         (RS6000_SYMBOL_REF_TLS_P): Remove.
1736         (any_operand): Delete.
1737         (any_parallel_operand): Delete.
1738         (count_register_operand): Delete.
1739         (altivec_register_operand): Delete.
1740         (xer_operand): Delete.
1741         (s8bit_cint_operand): Delete.
1742         (short_cint_operand): Delete.
1743         (u_short_cint_operand): Delete.
1744         (non_short_cint_operand): Delete.
1745         (exact_log2_cint_operand): Delete.
1746         (gpc_reg_operand): Delete.
1747         (cc_reg_operand): Delete.
1748         (cc_reg_not_cr0_operand): Delete.
1749         (reg_or_short_operand): Delete.
1750         (reg_or_neg_short_operand): Delete.
1751         (reg_or_aligned_short_operand): Delete.
1752         (reg_or_u_short_operand): Delete.
1753         (reg_or_cint_operand): Delete.
1754         (reg_or_arith_cint_operand): Delete.
1755         (reg_or_add_cint64_operand): Delete.
1756         (reg_or_sub_cint64_operand): Delete.
1757         (reg_or_logical_cint_operand): Delete.
1758         (got_operand): Delete.
1759         (got_no_const_operand): Delete.
1760         (easy_fp_constant): Delete.
1761         (easy_vector_constant): Delete.
1762         (easy_vector_constant_add_self): Delete.
1763         (zero_constant): Delete.
1764         (zero_fp_constant): Delete.
1765         (volatile_mem_operand): Delete.
1766         (offsettable_mem_operand): Delete.
1767         (mem_or_easy_const_operand): Delete.
1768         (add_operand): Delete.
1769         (non_add_cint_operand): Delete.
1770         (logical_operand): Delete.
1771         (non_logical_cint_operand): Delete.
1772         (mask_operand): Delete.
1773         (mask_operand_wrap): Delete.
1774         (mask64_operand): Delete.
1775         (mask64_2_operand): Delete.
1776         (and64_operand): Delete.
1777         (and64_2_operand): Delete.
1778         (and_operand): Delete.
1779         (reg_or_mem_operand): Delete.
1780         (lwa_operand): Delete.
1781         (symbol_ref_operand): Delete.
1782         (call_operand): Delete.
1783         (current_file_function_operand): Delete.
1784         (input_operand): Delete.
1785         (rs6000_nonimmediate_operand): Delete.
1786         (rs6000_tls_symbol_ref): Delete.
1787         (save_world_operation): Delete.
1788         (restore_world_operation): Delete.
1789         (load_multiple_operation): Delete.
1790         (store_multiple_operation): Delete.
1791         (vrsave_operation): Delete.
1792         (mfcr_operation): Delete.
1793         (mtcrf_operation): Delete.
1794         (lmw_operation): Delete.
1795         (stmw_operation): Delete.
1796         (branch_comparison_operator): Delete.
1797         (branch_positive_comparison_operator): Delete.
1798         (scc_comparison_operator): Delete.
1799         (trap_comparison_operator): Delete.
1800         (boolean_operator): Delete.
1801         (boolean_or_operator): Delete.
1802         (min_max_operator): Delete.
1803         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
1804         (EASY_VECTOR_15): Moved to here.
1805         (EASY_VECTOR_15_ADD_SELF): Move to here.
1806         (PREDICATE_CODES): Delete.
1807         * config/rs6000/rs6000-protos.h: Delete predicate functions.
1808         Declare functions no longer static.
1809         * config/rs6000/predicates.md: New.
1810         * config/rs6000/rs6000.md: Include predicates.md
1811
1812 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
1813
1814         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
1815         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
1816         REG_ALWAYS_RETURN.
1817         * cfgrtl.c (need_fake_edge_p): Likewise.
1818         * combine.c (distribute_notes): Likewise.
1819         * emit-rtl.c (try_split): Likewise.
1820         * recog.c (peephole2_opimize): Likewise.
1821         * reg-notes.def (ALWAYS_RETURN): Remove.
1822         * rtl.h (LCT_ALWAYS_RETURN): Remove.
1823         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
1824         * tree.h (ECF_ALWAYS_RETURN): Remove.
1825
1826 2005-02-28  Roger Sayle  <roger@eyesopen.com>
1827
1828         PR middle-end/19874
1829         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
1830         between different machine modes is never a "useless" conversion.
1831
1832 2005-02-28  Geert Bosch  <bosch@gnat.com>
1833
1834         PR ada/15977
1835         * doc/contrib.texi: List contributors for Ada front end
1836
1837 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
1838
1839         * simplify-rtx.c (simplify_unary_operation_1,
1840         simplify_const_unary_operation): New, extracted from...
1841         (simplify_unary_operation): ... this one.
1842         (simplify_binary_operation_1,
1843         simplify_const_binary_operation): New, extracted from...
1844         (simplify_binary_operation): ... this one.
1845         * rtl.h (simplify_const_unary_operation,
1846         simplify_const_binary_operation): Add prototypes.
1847
1848 2005-02-28  Julian Brown  <julian@codesourcery.com>
1849
1850         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
1851         building libjava and caused PR regression/20228.
1852
1853 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
1854
1855         PR bootstrap/17383
1856         * Makefile.in (host_subdir): New.
1857         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
1858         * configure: Regenerate.
1859
1860 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
1861
1862         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
1863         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
1864         installation directory first.
1865
1866 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
1867
1868         PR target/19065.
1869         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
1870         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
1871         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
1872         * config/cris/cris.md: Tweak comments referring to Q.
1873         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
1874         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
1875         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
1876         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
1877         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
1878         Insert spaces in constraints to align alternatives vertically for
1879         readability.
1880         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
1881         operand 1: "M".
1882
1883 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1884
1885         PR rtl-optimization/17728
1886         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
1887         operand 0 from general_operand to move_dest_operand.
1888
1889 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1890
1891         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
1892         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
1893         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
1894         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
1895
1896 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
1897
1898         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
1899         * configure: Regenerate.
1900         * libada-mk.in: Remove CC; rename
1901         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
1902
1903 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
1904
1905         PR tree-opt/20188
1906         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
1907         for the lhs, also walk over the tree.  Likewise for rhs.
1908
1909 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
1910
1911         * tree-ssa-dom.c (simple_iv_increment_p): New function.
1912         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
1913         Do not propagate value of iv before increment over the increment.
1914
1915 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
1916
1917         * c-parser.c: New file.
1918         * c-parse.in: Remove.
1919         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
1920         Remove.
1921         (c-parser.o): Add dependencies.
1922         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
1923         maintainer-clean, TAGS): Update.
1924         * c-config-lang.in (gtfiles): Update.
1925         * gengtype-lex.l: Don't handle "@@".
1926         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
1927         objc_build_synchronized, objc_begin_try_stmt,
1928         objc_begin_catch_clause, objc_finish_catch_clause,
1929         objc_build_finally_clause, objc_finish_try_stmt): New.
1930         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
1931         type_seen_p.
1932         (c_parse_init): Update comment.
1933         * c-decl.c (c_init_decl_processing): Update comment.
1934         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
1935         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
1936         new c_declspecs members.
1937
1938 2005-02-25  Julian Brown  <julian@codesourcery.com>
1939
1940         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
1941         from being used for symbols with vague linkage when
1942         HAVE_GAS_COMDAT_GROUP is true.
1943
1944 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
1945
1946         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
1947
1948 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
1949
1950         PR target/19930
1951         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
1952         (LIBGCC2_HAS_DF_MODE): New.
1953         (LIBGCC2_HAS_XF_MODE): New.
1954         (LIBGCC2_HAS_TF_MODE): New.
1955         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
1956         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
1957         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
1958         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
1959         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
1960         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
1961         and add _fixtfdi, _fixunstfdi, _floatditf
1962         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
1963         L_fixunstfdi, L_floatditf.
1964         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
1965         (LIBGCC2_HAS_TF_MODE): Define.
1966
1967 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
1968
1969         PR tree-optimization/20204
1970         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
1971         REWRITE_THIS_STMT markers on PHI nodes.
1972         (rewrite_initialize_block): Likewise.
1973
1974 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
1975
1976         * version.c (version_string): Update to 4.1.
1977
1978 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
1979
1980         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
1981         Clarify that the alternative way doesn't work in GNU C++.
1982
1983 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
1984
1985         PR tree-optimization/19937
1986         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
1987         to the type of the induction variable.
1988
1989 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
1990
1991         PR rtl-optimization/20117
1992         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
1993         the block including noncopyable insn.
1994
1995 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
1996
1997         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
1998         calls to find_reg_note.
1999
2000 2005-02-24  Richard Henderson  <rth@redhat.com>
2001
2002         PR tree-opt/20127
2003         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
2004         the type.
2005
2006 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
2007
2008         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
2009         vector types if to use base reg for misaligned non-word ld/std.
2010
2011 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
2012
2013         PR target/14619
2014         * config/cris/cris.c (cris_target_asm_function_prologue): Create
2015         dwarf2 label manually and put it after, not before the prologue.
2016
2017 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
2018
2019         PR target/19019
2020         * reload.c (operands_match_p): Only increment register number for
2021         SCALAR_INT_MODE_P modes in multiple hard registers.
2022
2023         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
2024         Fix formatting.
2025
2026 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2027
2028         * ChangeLog.5: Fix log message typo(s).
2029         * ChangeLog.7: Likewise.
2030         * ChangeLog.tree-ssa: Likewise.
2031         * cfgexpand.c: Fix comment typo(s).
2032         * conflict.c: Likewise.
2033         * defaults.h: Likewise.
2034         * dwarf2out.c: Likewise.
2035         * gcse.c: Likewise.
2036         * ggc-page.c: Likewise.
2037         * tree-eh.c: Likewise.
2038         * tree-ssa-dom.c: Likewise.
2039
2040 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
2041
2042         PR target/19019
2043         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
2044         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
2045         if SHARED is defined.
2046
2047         PR target/20196
2048         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
2049         allow splitting only if operands 0 and 3 don't overlap.
2050
2051 2005-02-24  Richard Henderson  <rth@redhat.com>
2052
2053         PR middle-end/19953
2054         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
2055         (fold_builtin_1): Call them.
2056         * fold-const.c (fold_complex_mult_parts): Split out from ...
2057         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
2058         (fold_complex_div_parts, fold_complex_div): New.
2059         (fold): Use them.
2060         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
2061
2062 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2063
2064         * tree-ssa-ccp.c (visit_assignment): Verify that result of
2065         VIEW_CONVERT_EXPR is_gimple_min_invariant.
2066
2067         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
2068         (print_node): Likewise.
2069         Print TYPE_SIZES_GIMPLIFIED.
2070
2071 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
2072
2073         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
2074         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
2075         operands as commutative in constraints.
2076
2077 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
2078
2079         * tree-into-ssa.c: Re-organize internal functions.
2080
2081 2005-02-24  Richard Henderson  <rth@redhat.com>
2082
2083         PR middle-end/18902
2084         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
2085         for c99.
2086         * common.opt (fcx-limited-range): New.
2087         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
2088         * toplev.c (flag_complex_method): Initialize to 1.
2089         (process_options): Set flag_complex_method to 0 if
2090         flag_cx_limited_range.
2091         * doc/invoke.texi (-fcx-limited-range): New.
2092
2093 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
2094
2095         * cse.c (delete_trivially_dead_insns): Speed up by using
2096         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
2097         prev_real_insn.
2098
2099 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
2100
2101         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
2102         functions when -mid-shared-library is being used.
2103
2104 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
2105
2106         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
2107         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
2108         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
2109         * system.h: Poison LINK_LIBGCC_SPECIAL.
2110
2111 2005-02-23  James E Wilson  <wilson@specifixinc.com>
2112
2113         * gengtype.c (note_insn_name): Make 1 element larger.
2114
2115 2005-02-23  Roger Sayle  <roger@eyesopen.com>
2116
2117         PR target/20018
2118         PR rtl-optimization/20097
2119         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
2120         BImode SUBREGs of SImode registers which confuse the ia64 backend.
2121
2122 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
2123
2124         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
2125         * t-aix52 (SHLIB_INSTALL): Same.
2126
2127 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
2128
2129         * genpreds.c: Update copyright.
2130
2131 2005-02-23  Michael Beach  <michaelb@ieee.org>
2132
2133         PR target/20159
2134         * config/sparc/t-elf (startup files): Assemble with CPP.
2135
2136 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
2137
2138         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
2139         (write_predicate_expr): Likewise.
2140
2141 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
2142
2143         PR tree-optimization/20100
2144         PR tree-optimization/20115
2145         * tree-optimize.c (init_tree_optimization_passes): Remove
2146         pass_maybe_create_global_var.
2147         * tree-pass.h (pass_maybe_create_global_var): Remove.
2148         * tree-ssa-alias.c (aliases_computed_p): Declare.
2149         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
2150         (count_calls_and_maybe_create_global_var): Remove.
2151         (pass_maybe_create_global_var): Remove.
2152         (init_alias_info): Do not declare aliases_computed_p.
2153         (maybe_create_global_var): If the function contains no
2154         call-clobbered variables and a mix of pure/const and regular
2155         function calls, create .GLOBAL_VAR.
2156         Mark all call-clobbered variables for renaming.
2157         (merge_pointed_to_info): Update comment.
2158         (add_pointed_to_var): Likewise.
2159         (is_escape_site): Likewise.
2160         Accept struct alias_info * instead of size_t *.
2161         Update all users.
2162         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
2163         as necessary.
2164         * tree-ssa-operands.c (get_call_expr_operands): If
2165         ALIASES_COMPUTED_P is false, do not add call-clobbering
2166         operands.
2167         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
2168         (delete_tree_ssa): Likewise.
2169
2170 2005-02-22  James E Wilson  <wilson@specifixinc.com>
2171
2172         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
2173         (do_compile): Do call it here.
2174
2175 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
2176
2177         PR rtl-optimization/20017.
2178         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
2179         rest_of_handle_cse2, rest_of_handle_gcse): Call
2180         delete_dead_jumptables immediately before calling cleanup_cfg.
2181
2182 2005-02-22  Devang Patel  <dpatel@apple.com>
2183
2184         PR 19952
2185         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
2186         all labels
2187
2188 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
2189
2190         * config/rs6000/aix.h (WINT_TYPE): Define.
2191
2192 2005-02-22  Stan Shebs  <shebs@apple.com>
2193
2194         * config/rs6000/rs6000.c (rs6000_override_options): Default to
2195         natural alignment for 64-bit Darwin.
2196         (rs6000_parse_alignment_option): Warn about uses of -malign-power
2197         on 64-bit Darwin.
2198         * doc/invoke.texi: Document this.
2199
2200 2005-02-22  DJ Delorie  <dj@redhat.com>
2201
2202         * c-common.c (c_common_type_for_mode): Pass the mode's precision
2203         to make_[un]signed_type, not the mode itself.
2204
2205 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
2206
2207         * cfg.c (cached_make_edge): Call make_edge if edge cache is
2208         not available.  Use tail calls wherever possible.
2209         (make_edge): Call unchecked_make_edge to create an edge.
2210
2211         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
2212         (coalesce_ssa_name): Don't check for
2213         SSANORM_USE_COALESCE_LIST.
2214         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
2215
2216 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
2217
2218         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
2219         (rewrite_into_ssa): ... here.
2220
2221 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
2222
2223         PR tree-optimization/19786
2224         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
2225         tag to another's may-alias bitmap when adding to the other's list.
2226
2227 2005-02-21  DJ Delorie  <dj@redhat.com>
2228
2229         * tree-ssa-loop-ivopts.c (computation_cost): Start register
2230         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
2231         registers in unsupported ways.
2232         * expmed.c (init_expmed): Likewise.
2233
2234 2005-02-21  Stan Cox  <scox@redhat.com>
2235
2236         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
2237
2238 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
2239
2240         * tree-cfg.c (fold_cond_expr_cond): New.
2241         (make_edges): Call fold_cond_expr_cond.
2242         (find_taken_edge): Accept nothing but INTEGER_CST.
2243         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
2244         and 1.
2245         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
2246
2247         * flow.c (delete_dead_jumptables): Speed up by scanning insns
2248         that do not belong to any basic block.
2249
2250 2005-02-21  Jeff Law  <law@redhat.com>
2251
2252         * cfganal.c (find_unreachable_blocks): Manually CSE load of
2253         e->dest.
2254
2255 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
2256
2257         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
2258         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
2259         Adjust their definitions.
2260         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
2261         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
2262
2263         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
2264         genautomata.c, langhooks.c, langhooks.h, system.h,
2265         config/arm/lib1funcs.asm: Update copyright.
2266
2267 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
2268
2269         * dbxout.c (dbxout_function_end): Emit Lscope label always.
2270
2271 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
2272
2273         PR bootstrap/13770
2274         * doc/install.texi: Document --with-gc.
2275
2276 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
2277
2278         * simplify-rtx.c (simplify_unary_operation): Add a missing
2279         "break" statement.
2280
2281 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
2282
2283         PR tree-optimization/18663
2284         * tree-ssa-dom.c (extract_range_from_cond): Return 0
2285         if the type has variable bounds.
2286
2287 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
2288
2289         * gcse.c: Remove an obsolete comment.
2290
2291         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
2292
2293 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
2294
2295         * doc/extend.texi (Function Attributes) <Attribute const>: The
2296         attribute "pure" is below this text, not above.
2297
2298 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2299
2300         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
2301         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
2302         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
2303
2304 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
2305
2306         PR 18785
2307         * langhooks.h (struct lang_hooks): Add to_target_charset.
2308         * langhooks.c (lhd_to_target_charset): New function.
2309         * langhooks-def.h: Declare lhd_to_target_charset.
2310         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
2311         (LANG_HOOKS_INITIALIZER): Update.
2312         * c-common.c (c_common_to_target_charset): New function.
2313         * c-common.h: Declare it.
2314         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
2315         c_common_to_target_charset.
2316
2317         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
2318         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
2319         Delete definitions.
2320         * system.h: Poison them.
2321         * doc/tm.texi: Don't discuss them.
2322         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
2323         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
2324         (pp_c_char): Do not attempt to generate letter escapes for
2325         newline, tab, etc.
2326         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
2327         * config/mips/mips.c (mips_output_ascii): Likewise.
2328
2329 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
2330
2331         PR tree-optimization/19951
2332         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
2333         is abnormal.
2334
2335 2005-02-19  Steven Bosscher  <stevenb@suse.de>
2336
2337         PR middle-end/19698
2338         * function.h (struct function): New field `max_loop_depth'.
2339         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
2340         (flow_loops_find): Reset the max loop depth count before finding loops.
2341         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
2342         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
2343         (calculate_global_regs_live): Make sure the loop will terminate
2344         when the initial sets are not empty.
2345
2346 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
2347
2348         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
2349         object inside.
2350         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
2351
2352 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
2353
2354         PR other/19525
2355         * doc/invoke.texi: Remove documentation of %M spec.
2356         * gcc.c: Likewise.
2357         (init_spec): Remove %M suffix from -lgcc_s.
2358         (do_spec_1): Remove 'M' case.
2359         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
2360         to put shared libraries in the multilib directory.  Remove the
2361         shlib_so_soname substitution variable.  Don't add a multilib encoding
2362         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
2363         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
2364         SHLIB_INSTALL as well as SHLIB_LINK.
2365         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
2366         (SHLIB_NAME): Delete.
2367         (SHLIB_DIR): New macro.
2368         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
2369         (SHLIB_INSTALL): Adjust accordingly.
2370         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
2371         * config/t-slibgcc-sld: Likewise.
2372         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
2373         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
2374         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
2375         in $(SHLIB_DIR).
2376         (SHLIBUNWIND_INSTALL): Adjust accordingly.
2377         * config/i386/t-nwld (SHLIB_SONAME): Delete.
2378         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
2379         Use @shlib_base_name@ instead of @shlib_so_name@.
2380         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
2381         and @shlib_base_name@.so in @multilib_dir@.
2382         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
2383         to the install path.
2384         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
2385         (SHLIB_LINK): Remove previous workaround.
2386         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
2387         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
2388         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
2389         the install path.
2390         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
2391         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
2392         (SHLIB_INSTALL): Adjust accordingly.
2393         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
2394         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
2395         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
2396         config/t-slibgcc-elf-ver.
2397
2398 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
2399             Jakub Jelinek  <jakub@redhat.com>
2400
2401         PR tree-optimization/19828
2402         * tree-ssa-loop-im.c: Add a TODO comment.
2403         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
2404         without side-effects.
2405
2406 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
2407
2408         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
2409         call fold_convert.
2410
2411 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
2412
2413         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
2414         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
2415         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
2416         functions.
2417         (ia64_reorg): Delete fixup_errata call.
2418         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
2419         (TARGET_SWITCHES): Delete -mb-step entry.
2420
2421 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
2422
2423         PR c/20043
2424         * c-typeck.c (composite_type): Handle quals in transparent unions.
2425         (type_lists_compatible_p): Likewise.
2426
2427 2005-02-18  Stan Shebs  <shebs@apple.com>
2428
2429         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
2430         expressions in the .literal8 section.
2431
2432 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
2433
2434         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
2435
2436 2005-02-18  Roger Sayle  <roger@eyesopen.com>
2437
2438         * fold-const.c (constant_boolean_node): Always create values of the
2439         specified type, don't bother calling truthvalue_conversion.
2440
2441 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
2442
2443         * except.c (output_function_exception_table): Call
2444         assemble_external_libcall (eh_personality_libfunc).
2445
2446 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
2447
2448         PR target/19886
2449         * config/ia64/ia64.h (struct machine_function): Add state_num.
2450         * config/ia64/ia64.c (process_epilogue,
2451         process_for_unwind_directive): Use new unwind state numbers each
2452         time rather than state 1.
2453
2454 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
2455
2456         PR target/20054
2457         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
2458         before the "*llgt_didi" pattern.
2459
2460 2005-02-18  Jason Merrill  <jason@redhat.com>
2461
2462         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
2463
2464 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
2465
2466         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
2467         (div0): Use it in place of ARM_FUNC_ALIAS.
2468         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
2469
2470 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
2471
2472         PR middle-end/20030
2473         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
2474         access, the lower bound of the array type if it exists.
2475
2476 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
2477
2478         PR c++/20008
2479         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
2480         cases that are out-of-range for the index type.
2481
2482 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
2483
2484         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
2485         (estimate_case_costs): Don't call convert.
2486         * expmed.c (expand_shift): Likewise.
2487         (make_tree): Call fold_convert instead of convert.
2488
2489 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
2490
2491         PR c++/19813
2492         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
2493         that ref to be marked MEM_READONLY_P doesn't have base that needs
2494         constructing.
2495
2496 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
2497
2498         * genautomata.c (output_get_cpu_unit_code_func,
2499         output_cpu_unit_reservation_p): Don't generate old-style function
2500         definitions.
2501
2502 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
2503
2504         PR c++/20023
2505         PR tree-optimization/20009
2506         * convert.c (convert_to_integer): Revert 2005-02-16 change.
2507
2508         PR tree-optimization/18947
2509         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
2510         inline, remove all nodes that are inlined into the extern inline
2511         being redefined.
2512
2513 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
2514
2515         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
2516         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
2517         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
2518         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
2519         Update copyright.
2520
2521 2005-02-17  Roger Sayle  <roger@eyesopen.com>
2522
2523         PR tree-optimization/19917
2524         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
2525         to be potentially trapping.
2526
2527 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
2528
2529         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
2530
2531 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
2532
2533         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
2534         tem becomes a local variable which is set to the value of the
2535         back end defined INITIAL_FRAME_ADDRESS macro.
2536         (expand_builtin_frame_address): Omit the base parameter to
2537         expand_builtin_return_addr.
2538         (expand_builtin_profile_func): Likewise.
2539         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
2540         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
2541         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
2542
2543 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
2544
2545         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
2546         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
2547         * config/frv/frv.c (frv_function_epilogue): Likewise.
2548
2549 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
2550
2551         * lambda-code (perfect_nestify): Remove mark/unmark
2552         for rewriting hack.
2553         * tree-loop-linear.c (linear_transform_loops): Add
2554         rewrite_into_ssa call so that ssa is correct for
2555         rewriting into loop closed.
2556
2557 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
2558
2559         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
2560         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
2561         BITMAP_FREE.
2562         * bt-load.c (btr_def_live_range, combine_btr_defs,
2563         migrate_btr_def, migrate_btr_defs): Likewise.
2564         * cfgcleanup.c (thread_jump): Likewise.
2565         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
2566         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
2567         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
2568         df_rd_local_compute, df_reg_info_compute): Likewise.
2569         * dominance.c (init_dom_info, free_dom_info): Likewise.
2570         * flow.c (init_propagate_block_info,
2571         free_propagate_block_info): Likewise.
2572         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
2573         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
2574         modify_reg_pav): Likewise.
2575         * loop-invariant.c (find_defs, find_invariant_insn,
2576         find_invariants, free_inv_motion_data): Likewise.
2577         * predict.c (tree_predict_by_opcode,
2578         estimate_bb_frequencies): Likewise.
2579         * stmt.c (expand_case): Likewise.
2580         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
2581         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
2582         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
2583         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
2584         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
2585         rewrite_ssa_into_ssa): Likewise.
2586         * tree-optimize.c (tree_rest_of_compilation): Likewise.
2587         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
2588         analyze_edges_for_bb, perform_edge_inserts): Likewise.
2589         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
2590         * tree-sra.c (tree_sra): Likewise.
2591         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
2592         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
2593         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
2594         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
2595         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
2596         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
2597         Likewise.
2598         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
2599         calculate_live_on_entry, calculate_live_on_exit,
2600         build_tree_conflict_graph): Likewise.
2601         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
2602         record_important_candidates, set_use_iv_cost, find_depends,
2603         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
2604         tree_ssa_iv_optimize_finalize): Likewise.
2605         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
2606         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
2607         tree_duplicate_loop_to_header_edge): Likewise.
2608         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
2609         * tree-ssa.c (verify_flow_insensitive_alias_info,
2610         verify_name_tags, verify_ssa, init_tree_ssa,
2611         delete_tree_ssa): Likewise.
2612         * tree-ssanames.c (marked_ssa_names, init_ssanames,
2613         fini_ssanames): Likewise.
2614         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
2615
2616 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
2617
2618         * config/rs6000/t-rtems: Completely reworked.
2619
2620 2005-02-17  Ira Rosen  <irar@il.ibm.com>
2621
2622         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
2623
2624 2005-02-17  Ira Rosen  <irar@il.ibm.com>
2625
2626         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
2627         POINTER_TYPE_P when checking that type is a pointer.
2628         (vect_get_memtag): Remove.
2629         (vect_address_analysis): Use POINTER_TYPE_P. Call
2630         vect_object_analysis with dummy parameter for memtag.
2631         (vect_object_analysis): Extract memtag (functionality that
2632         used to be in vect_get_memtag and moved here). Fix printings.
2633         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
2634         with correct parameters. Remove call to vect_get_memtag.
2635
2636 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
2637
2638         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
2639         (tree-vectorizer.o): Added missing dependencies.
2640
2641         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
2642         decleration.
2643         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
2644         declaration in tree-vectorizer.c, now has an extern declaration in
2645         tree-vectorizer.h).
2646         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
2647         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
2648         get_vectype_for_scalar_type, vect_is_simple_use,
2649         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
2650         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
2651         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
2652         vectorizable_store, vectorizable_operation, vectorizable_assignment,
2653         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
2654         find_loop_location): Likewise.
2655
2656         * tree-vectorizer.c (langhooks.h): #include removed.
2657         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
2658         moved to tree-vectorized.h.
2659         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
2660         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
2661         get_vectype_for_scalar_type, vect_is_simple_use,
2662         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
2663         vect_supportable_dr_alignment, new_loop_vec_info,
2664         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
2665         vect_set_verbosity_level, find_loop_location): Likewise.
2666
2667         (vect_analyze_loop): Function externalized. Declaration moved to
2668         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
2669         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
2670         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
2671         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
2672         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
2673         vect_enhance_data_refs_alignment, vect_analyze_operations,
2674         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
2675         vect_stmt_relevant_p, vect_get_loop_niters,
2676         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
2677         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
2678         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
2679         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
2680         vect_get_memtag): Likewise.
2681
2682         (vectorizable_load): Function externalized. Declaration moved to
2683         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
2684         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
2685         vect_transform_loop): Likewise.
2686         (vect_transform_stmt): Moved to tree-vect-transform.c.
2687         (vect_align_data_ref, vect_create_destination_var,
2688         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
2689         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
2690         vect_get_vec_def_for_operand, vect_init_vector,
2691         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
2692         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
2693         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
2694         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
2695         vect_do_peeling_for_loop_bound): Likewise.
2696
2697         * tree-vect-analyze.c: New file.
2698         * tree-vect-transform.c: New file.
2699
2700 2005-02-17  Jason Merrill  <jason@redhat.com>
2701
2702         PR mudflap/19319, c++/19317
2703         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
2704         slot explicit.
2705
2706 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
2707
2708         * doc/install.texi (Specific): Update link for Darwin-specific
2709         tool binary site.
2710
2711 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
2712
2713         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
2714         constant_boolean_node.
2715
2716 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
2717
2718         PR target/19019
2719         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
2720         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
2721
2722 2005-02-16  Richard Henderson  <rth@redhat.com>
2723
2724         PR 19920
2725         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
2726         with W_TYPE_SIZE.
2727         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
2728         replace uses with Wtype_MAXp1_F.
2729         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
2730         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
2731         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
2732         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
2733         and HAVE_TFMODE as appropriate.
2734         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
2735         (__floatdisf): Likewise.
2736         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
2737         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
2738         (Wtype_MAXp1_F): New.
2739         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
2740         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
2741
2742 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
2743
2744         * PR target/19162
2745         * arm.c (arm_apply_result_size): New function.
2746         * arm.h (APPLY_RESULT_SIZE): Define.
2747         * arm-protos.h (arm_apply_result_size): Add prototype.
2748         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
2749         (movxf): New expand.
2750         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
2751         (call_value_symbol): Remove predicate for operand 0.
2752         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
2753         (untyped_call): Rework to correclty return values for any type.
2754         (untyped_return): New expand.
2755         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
2756
2757 2005-02-16  Stan Shebs  <shebs@apple.com>
2758
2759         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
2760         * config/rs6000/t-darwin8: New, for 64-bit multilib.
2761
2762 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
2763
2764         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
2765         configure settings on Solaris 7 and later.
2766
2767 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
2768
2769         PR tree-optimization/19865
2770         * tree-optimize.c (init_tree_optimization_passes): Run
2771         pass_may_alias after pass_sra.
2772
2773 2005-02-16  Richard Henderson  <rth@redhat.com>
2774             Stuart Hastings  <stuart@apple.com>
2775
2776         PR debug/19521
2777         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
2778         Do nothing if debug info suppressed for this function.
2779         (dbxout_begin_function): Early exit if debug info suppressed for
2780         this function.
2781
2782 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
2783
2784         PR target/20007
2785         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
2786         find_basic_blocks.
2787         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
2788
2789         PR tree-optimization/19967
2790         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
2791         expand_builtin_strchr, expand_builtin_strrchr): Take a new
2792         argument TYPE.  Adjust calls to fold_builtin_XXX.
2793         (expand_builtin, fold_builtin_1): Adjust calls to
2794         expand_builtin_XXX.
2795         (fold_builtin_strchr, fold_builtin_strpbrk,
2796         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
2797         result to a requested type TYPE.
2798
2799 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
2800
2801         PR middle-end/19857
2802         * fold-const.c (fold): Don't optimize (T)(x & cst) to
2803         (T)x & (T)cst if (T)cst overflows.
2804         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
2805         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
2806
2807 2005-02-15  Jeff Law  <law@redhat.com>
2808
2809         * gcse.c (blocks_with_calls): New bitmap.
2810         (alloc_gcse_mem): Allocate it.
2811         (free_gcse_mem): Free it.
2812         (clear_modifY_mem_tables): Clear it.
2813         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
2814         when we encounter CALL_INSNs.
2815         (compute_transp, case MEM): Handle blocks with calls separate
2816         from blocks without calls.  Use bitmap iterators rather than
2817         FOR_EACH_BB.
2818
2819 2005-02-15  Peter O'Gorman  <peter@pogma.com>
2820
2821         PR bootstrap/18810
2822         * mklibgcc.in (vis_hide): Use a temporary object file, not
2823         -o /dev/null.
2824
2825 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
2826
2827         PR target/19924
2828         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
2829         access optimization.
2830
2831 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
2832             Alan Modra  <amodra@bigpond.net.au>
2833
2834         PR target/19019
2835         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
2836         (_xlqsub): Rename to __gcc_qsub.
2837         (_xlqmul): Rename to __gcc_qmul.
2838         (_xlqdiv): Rename to __gcc_qdiv.
2839         Provide versioned symbol aliases with old names.
2840         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
2841         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
2842         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
2843         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
2844         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
2845
2846 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
2847
2848         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
2849         Fold ~(A - 1) and ~(A + -1) to -A.
2850
2851 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
2852
2853         PR pch/14940
2854         PR target/19300
2855         * config/host-linux.c (linux_gt_pch_use_address): Copy from
2856         config/pa/pa-host.c:pa_gt_pch_use_address.
2857
2858 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
2859
2860         * tree-vn.c (get_value_handle): Make sure that given an
2861         is_gimple_min_invariant expression, we always return it.
2862
2863 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
2864
2865         * passes.c (rest_of_handle_gcse): Fix a comment.
2866
2867 2005-02-15  Jeff Law  <law@redhat.com>
2868
2869         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
2870         bitmap.
2871         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
2872         (canon_list_insert, record_last_mem_set_info): Similarly.
2873         (clear_modify_mem_tables): Similarly.
2874
2875 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
2876
2877         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
2878         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
2879         config/mips/mips.md, config/rs6000/aix.h,
2880         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
2881
2882 2005-02-15  Richard Henderson  <rth@redhat.com>
2883
2884         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
2885         call to be best_edge.
2886
2887 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
2888
2889         * basic-block.h: Adjust the prototype for find_basic_blocks.
2890         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
2891         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
2892         find_basic_blocks.
2893
2894         * flow.c (recompute_reg_usage): Remove all arguments.
2895         * passes.c (rest_of_compilation): Adjust the call to
2896         recompute_reg_usage.
2897         * rtl.h: Adjust the prototype for recompute_reg_usage.
2898
2899 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
2900
2901         * tree-dump.c (dump_files): Update to reflect new member
2902         of dump_file_info.
2903         (dump_register): Add new argument.
2904         Set glob name.
2905         (dump_switch_p_1): Check against glob name if doglob was passed.
2906         (dump_switch_p): Check against regular first, then glob if
2907         we didn't have any hits on the dump name.
2908         * tree-optimize.c (register_one_dump_file):
2909         Pass in glob name as well.
2910         * tree-pass.h (struct dump_file_info): Add glob
2911         member.
2912
2913 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
2914
2915         PR preprocessor/16323
2916         * doc/invoke.texi: Document that -Wendif-labels is on by default.
2917
2918 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
2919
2920         PR target/19019
2921         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
2922         (trunctfdf2_internal1): New.
2923         (trunctfdf2_internal2): Renamed from trunctfdf2.
2924
2925 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
2926
2927         PR tree-optimization/19853
2928         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
2929
2930 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
2931
2932         * passes.c (rest_of_handle_loop_optimize): Remove calls to
2933         delete_dead_jumptables and cleanup_cfg.
2934
2935 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
2936
2937         * reload.c (find_reloads): Swap address_reloaded flags when
2938         swapping commutative operands.
2939
2940 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
2941
2942         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
2943         Use standard_iv_increment_position for computing the bsi position
2944         for create_iv.
2945         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
2946         the bsi position.
2947
2948 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
2949
2950         PR target/17428
2951         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
2952         life range of hard registers.
2953         * value-prof.c (insn_prefetch_values_to_profile): Only
2954         scan normal insns.
2955
2956         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
2957         profile in libcalls.
2958
2959 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
2960
2961         * bitmap.h (bitmap_and_compl_into): Return bool.
2962         * bitmap.c (bitmap_and_compl_into): Return changed flag.
2963
2964 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
2965
2966         PR tree-optimization/19944
2967         * fold-const.c (fold): Re-add ABS_EXPR folding.
2968
2969 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
2970
2971         PR target/19019
2972         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
2973         {TARGET,MASK}_XL_COMPAT.
2974         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
2975         MASK_XL_COMPAT.
2976         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
2977         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
2978         TARGET_XL_COMPAT.
2979         (rs6000_arg_partial_bytes): Same.
2980         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
2981         and XL compatibility enabled.
2982         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
2983         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
2984         test to final condition.
2985         (cmptf_internal2): New.
2986         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
2987         xl-compat.  Add TFmode information to description.
2988
2989 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
2990
2991         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
2992
2993 2005-02-13  Jason Merrill  <jason@redhat.com>
2994
2995         PR c++/16405
2996         * fold-const.c (fold_indirect_ref_1): Split out from...
2997         (build_fold_indirect_ref): Here.
2998         (fold_indirect_ref): New fn.
2999         * tree.h: Declare it.
3000         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
3001         (gimplify_modify_expr_rhs): Likewise.
3002         (gimplify_expr): Likewise.
3003
3004 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
3005
3006         PR tree-optimization/14303
3007         PR tree-optimization/15784
3008         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
3009         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
3010         ABS_EXPR<x> != 0 to x != 0.
3011
3012 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
3013
3014         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
3015         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
3016         spelling conventions.
3017
3018         * passes.c (rest_of_handle_gcse): Don't run cse_main and
3019         delete_trivially_dead_insns too many times.
3020
3021         * passes.c (rest_of_handle_gcse): Remove dead assignments to
3022         tem and tem2.
3023
3024 2005-02-12  Ira Rosen  <irar@il.ibm.com>
3025
3026         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
3027         (vect_is_simple_iv_evolution): Remove redundant parameter
3028         and step check.
3029         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
3030         without last parameter.
3031         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
3032         Return pointer step. Call vect_is_simple_iv_evolution without
3033         last parameter. Check only that the step is multiple of size
3034         type. Remove stmt_vinfo updates.
3035         (vect_get_memtag_and_dr): Remove.
3036         (vect_get_memtag): New function.
3037         (vect_address_analysis): New function.
3038         (vect_object_analysis): New function.
3039         (vect_analyze_data_refs): Call vect_object_analysis and
3040         vect_get_memtag. Update stmt_vinfo fields.
3041
3042 2005-02-12  Ira Rosen  <irar@il.ibm.com>
3043
3044         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
3045         exist and are objects. Remove checks for pointer.
3046         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
3047         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
3048         (vect_create_data_ref_ptr): Likewise.
3049         (vect_base_addr_differ_p): New function.
3050         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
3051         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
3052         Don't set the DR_BASE_NAME field of data-ref.
3053         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
3054
3055 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
3056
3057         * optabs.h (enum optab_index): Add new OTI_ldexp.
3058         (ldexp_optab): Define corresponding macro.
3059         * optabs.c (init_optabs): Initialize ldexp_optab.
3060         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
3061         patterns.
3062         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
3063         using ldexp_optab.
3064         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
3065         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
3066
3067         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
3068         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
3069         intrinsics.
3070
3071 2005-02-12  Ira Rosen  <irar@il.ibm.com>
3072
3073         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
3074         to base_address.
3075         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
3076         stmt_vec_info.
3077         (vect_get_base_and_offset): Always return an address.
3078         (vect_create_addr_base_for_vector_ref): Remove treatment for
3079         different data reference types.
3080         (vect_compute_data_ref_alignment): Rename base to base_address in
3081         stmt_vec_info. Get the object in order to force its alignment.
3082         (vect_get_memtag_and_dr): Rename base to base_address in
3083         stmt_vec_info. Extract the object for memtag analysis.
3084
3085 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
3086
3087         PR regression/19898.
3088         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
3089         changes cc_status, use apply modified_in_p to part of cc_status
3090         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
3091         body.
3092
3093 2005-02-11  Richard Henderson  <rth@redhat.com>
3094
3095         * tree-complex.c (expand_complex_libcall): New.
3096         (expand_complex_multiplication): Use it for c99 compliance.
3097         (expand_complex_division): Likewise.
3098         * fold-const.c (fold_complex_add, fold_complex_mult): New.
3099         (fold): Call them.
3100         * builtins.c (built_in_names): Remove const.
3101         * tree.c (build_common_builtin_nodes): Build complex arithmetic
3102         builtins.
3103         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
3104         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
3105         (built_in_names): Remove const.
3106         * c-common.c (c_common_type_for_mode): Handle complex modes.
3107         * flags.h, toplev.c (flag_complex_method): Rename from
3108         flag_complex_divide_method.
3109         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
3110         __mulsc3, __muldc3, __mulxc3, __multc3): New.
3111         * libgcc2.h: Declare them.
3112         * libgcc-std.ver: Export them.
3113         * mklibgcc.in (lib2funcs): Build them.
3114
3115 2005-02-11  Steven Bosscher  <stevenb@suse.de>
3116
3117         PR tree-optimization/19876
3118         Partially revert my change from 2005-01-14
3119         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
3120         (compute_antic): ...and remove the loop here.
3121
3122 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
3123
3124         PR middle-end/19858
3125         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
3126         is number of inner's bits, avoid creating a BIT_FIELD_REF.
3127
3128         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
3129         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
3130
3131 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
3132
3133         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
3134         offsets for the big-endian 32-bit case.
3135
3136 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
3137
3138         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
3139
3140 2005-02-11  Dale Johannesen  <dalej@apple.com>
3141
3142         * cselib.c (cselib_process_insn):  Clear out regs where
3143         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
3144         * reload.c (find_equiv_reg): Ditto.
3145
3146 2005-02-11  Ian Lance Taylor  <ian@airs.com>
3147
3148         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
3149         with no elements.
3150
3151         * tree.c (build_function_type_list): Work correctly if there are
3152         no arguments.
3153
3154 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
3155
3156         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
3157         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
3158         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
3159         TARGET_ZARCH instead of TARGET_64BIT.
3160
3161 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
3162
3163         * config/rs6000/t-rtems:
3164         (MULTILIB_OPTIONS): Remove mcpu=602.
3165         (MUTLILIB_DIRNAMES): Remove m602.
3166         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
3167         Let mcpu=602 match mcpu=603.
3168         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
3169
3170 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3171
3172         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
3173         signal trampolines.
3174
3175 2005-02-10  David Daney  <ddaney@avtrex.com>
3176
3177         * config/alpha/linux-unwind.h: Add exception clause to copyright.
3178         * config/i386/linux-unwind.h: Likewise.
3179         * config/ia64/linux-unwind.h: Likewise.
3180         * config/mips/linux-unwind.h: Likewise.
3181         * config/pa/linux-unwind.h: Likewise.
3182         * config/rs6000/linux-unwind.h: Likewise.
3183         * config/s390/linux-unwind.h: Likewise.
3184         * config/sh/linux-unwind.h: Likewise.
3185         * config/sparc/linux-unwind.h: Likewise.
3186
3187 2005-02-10  Steven Bosscher  <stevenb@suse.de>
3188
3189         PR tree-optimization/17549
3190         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
3191         TER to replace a DEF with its expression if the DEF and the
3192         rhs of the expression we replace into have the same root
3193         variable.
3194
3195 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
3196
3197         * config/mips/mips.md: Fix the placement of the match_scratch in the
3198         lea64 peephole2.
3199
3200 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
3201
3202         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
3203         Fix comment typos.
3204
3205 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
3206
3207         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
3208         (strip_offset): Handle addresses.
3209         (add_address_candidates): Use strip_offset.
3210         (difference_cost): Reflect strip_offset change.
3211         (force_var_cost, difference_cost): Strip nops.
3212
3213 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
3214
3215         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
3216
3217         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
3218         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
3219         config/cris/cris-protos.h, config/cris/cris.c: Update
3220         copyright.
3221
3222 2005-02-10  Jeff Law  <law@redhat.com>
3223
3224         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
3225         (lookup_avail_expr): Similarly.
3226
3227 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
3228
3229         * builtins.c (fold_builtin_powi): New function.
3230         (fold_builtin_1): Call it.
3231
3232 2005-02-10  Steven Bosscher  <stevenb@suse.de>
3233
3234         PR documentation/19309
3235         * doc/cpp.texi: The __GNUC__ and related predefined macros
3236         are also defined for the "standalone" cpp.
3237         Some non-GCC compilers may also define __GNUC__.
3238
3239 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
3240
3241         PR c/19342
3242         * c-typeck.c (common_type): New routine.  Old common_type renamed
3243         to...
3244         (c_common_type): ...this.
3245         (build_conditional_expr, build_binary_op): Use c_common_type instead
3246         of common_type.
3247
3248 2005-02-10  Steven Bosscher  <stevenb@suse.de>
3249
3250         * doc/md.texi: Replace @samp{length} with @code{length}.
3251
3252 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
3253
3254         PR tree-optimization/18687
3255         * tree-flow.h (find_loop_niter): Declare.
3256         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
3257         Try using scev even for loops with more than one exit.
3258         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
3259         (struct ivopts_data): Added niters field.
3260         (struct nfe_cache_elt): New.
3261         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
3262         functions.
3263         (tree_ssa_iv_optimize_init): Initialize niters cache.
3264         (determine_number_of_iterations): Removed.
3265         (find_induction_variables): Do not call determine_number_of_iterations.
3266         Access niters for single exit through niter_for_single_dom_exit.
3267         (add_iv_outer_candidates): Access niters for single exit through
3268         niter_for_single_dom_exit.
3269         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
3270         number_of_iterations_cond.
3271         (iv_period): New function.
3272         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
3273         (may_replace_final_value): Take data argument.  Use
3274         niter_for_single_dom_exit.
3275         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
3276         (rewrite_use_compare): Pass data to may_eliminate_iv.
3277         (rewrite_use_outer): Pass data to may_replace_final_value.
3278         (free_loop_data): Clean up the niters cache.
3279         (tree_ssa_iv_optimize_finalize): Free the niters cache.
3280         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
3281         * tree-ssa-loop-niter.c (find_loop_niter): New function.
3282         (find_loop_niter_by_eval): Use tree_int_cst_lt.
3283         (num_ending_zeros): Moved to tree.c.
3284         * tree.h (num_ending_zeros): Declare.
3285         * tree.c (num_ending_zeros): Moved from tree.c.
3286
3287 2005-02-09  Richard Henderson  <rth@redhat.com>
3288
3289         * builtins.c (DEF_BUILTIN): Add COND argument.
3290         * tree.h (DEF_BUILTIN): Likewise.
3291         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
3292         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
3293         match.
3294         (DEF_BUILTIN_STUB): New.
3295         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
3296         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
3297         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
3298         * c-common.c (DEF_BUILTIN): Add COND argument.
3299         * tree.c (local_define_builtin): New.
3300         (build_common_builtin_nodes): New.
3301
3302 2005-02-09  Roger Sayle  <roger@eyesopen.com>
3303
3304         * fold-const.c (fold_strip_sign_ops): New function to simplify a
3305         floating point expression ignoring the sign of the result.
3306         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
3307         (fold) <MULT_EXPR>: Use it to simplify x*x.
3308         * tree.h (fold_strip_sign_ops): Prototype here.
3309         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
3310         argument.  Use fold_strip_sign_ops to simplify the first argument.
3311         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
3312         first argument when the second argument is an even integer
3313         constant, but only with -funsafe_math_optimizations.
3314         (fold_builtin_1): Update call to fold_builtin_copysign.
3315
3316 2005-02-09  Ian Lance Taylor  <ian@airs.com>
3317
3318         PR middle-end/19583
3319         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
3320         just check whether EH_FILTER_FAILURE falls through.
3321
3322 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3323
3324         * gcc/haifa-sched.c (schedule_block): Make queued sched group
3325         insns return to ready list in the next turn.
3326
3327 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
3328
3329         PR middle-end/19402
3330         * builtins.def: New __builtin_powi[lf].
3331         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
3332         (expand_builtin_powi): New function.
3333         (expand_builtin): Dispatch to expand_builtin_powi.
3334         * libgcc2.h: Add prototypes for __builtin_powi[lf].
3335         * libgcc2.c: Add __builtin_powi[lf] implementation.
3336         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
3337         * optabs.h: Add powi_optab.
3338         * optabs.c (init_optabs): Initialize powi_optab.
3339         * doc/extend.texi: Document __builtin_powi[lf].
3340
3341 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
3342
3343         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
3344         exists.
3345
3346 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
3347
3348         PR middle-end/19854
3349         * fold-const.c (try_move_mult_to_index): Remove redundant
3350         type argument.  Create ADDR_EXPR with correct type.
3351         (fold): Update callers of try_move_mult_to_index.  Convert
3352         result to the appropriate type.
3353
3354 2005-02-09  Roger Sayle  <roger@eyesopen.com>
3355
3356         PR target/19597
3357         * config/avr/avr.c (default_rtx_costs): Delete.
3358         (avr_operand_rtx_cost): New function.
3359         (avr_rtx_costs): Completely rewrite.
3360
3361 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
3362
3363         PR target/19806
3364         * config/cris/cris.c (in_code): New variable.
3365         (cris_output_addr_const): Now a static function, a wrapper for
3366         output_addr_const.
3367         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
3368         case from old cris_output_addr_const.
3369         (cris_asm_output_label_ref): Similar for LABEL_REF.
3370         (cris_output_addr_const_extra): Similar for UNSPEC.
3371         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
3372         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
3373         * config/cris/cris-protos.h (cris_output_addr_const): Remove
3374         declaration.
3375         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
3376         (cris_asm_output_label_ref): Declare.
3377
3378 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
3379
3380         PR preprocessor/19801
3381         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
3382         filenames that changed when libcpp was moved to the toplevel.
3383
3384 2005-02-07  Roger Sayle  <roger@eyesopen.com>
3385
3386         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
3387         zero extensions of BImode operands.  Call lowpart_subreg instead
3388         of gen_lowpart_common and gen_lowpart_SUBREG.
3389
3390 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
3391
3392         PR ada/19489
3393         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
3394         * configure.ac: Set cc_for_cross_gnattools.
3395         * configure: Regenerate.
3396
3397 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
3398
3399         PR target/19803
3400         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
3401
3402 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
3403
3404         PR debug/19327
3405         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
3406         of nested functions.
3407
3408 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
3409
3410         * doc/extend.texi: Document deprecated extensions allowing
3411         static floating-point members to have initializers and allowing
3412         floating-point literals in integral constant expressions.
3413
3414 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
3415
3416         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
3417         config/darwin7.h, config/mips/mips.c,
3418         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
3419         Update copyright.
3420
3421         * cse.c: Update comments.
3422
3423 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
3424
3425         PR middle-end/19775
3426         * builtins.c (fold_builtin_sqrt): Transform
3427         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
3428         pow(x,y*0.5).
3429
3430 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
3431             Dorit Naishlos  <dorit@il.ibm.com>
3432
3433         * doc/invoke.texi (ftree-vectorizer-verbose): New.
3434         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
3435         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
3436         was added.
3437         * tree.h (vect_set_verbosity_level): New extern function declaration
3438         added.
3439         * tree-vectorizer.h (verbosity_levels): New enum type.
3440         * tree-vectorizer.c (vect_debug_stats): Function removed.
3441         (vect_debug_details): Likewise.
3442         (vect_verbosity_level): Global variable was defined and initialized.
3443         (vect_dump): Global variable definition.
3444         (vect_print_dump_info): New function.
3445         (vect_set_dump_settings): New function.
3446         (vect_set_verbosity_level): New function.
3447         (vectorize_loops): Add call to vect_set_dump_settings.
3448
3449         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
3450         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
3451         (slpeel_tree_peel_loop_to_edge): Likewise.
3452
3453         (vect_analyze_offset_expr): Call to vect_print_dump_info with
3454         appropriate verbosity level instead of call to vect_debug_details
3455         or vect_debug_stats.
3456         (vect_get_base_and_offset):
3457         (vect_create_addr_base_for_vector_ref):
3458         (get_vectype_for_scalar_type):
3459         (vect_create_data_ref_ptr):
3460         (vect_init_vector):
3461         (vect_get_vec_def_for_operand):
3462         (vect_finish_stmt_generation):
3463         (vectorizable_assignment):
3464         (vectorizable_operation):
3465         (vectorizable_store):
3466         (vectorizable_load):
3467         (vect_transform_stmt):
3468         (vect_update_ivs_after_vectorizer):
3469         (vect_do_peeling_for_loop_bound):
3470         (vect_update_inits_of_drs):
3471         (vect_do_peeling_for_alignment):
3472         (vect_transform_loop):
3473         (vect_is_simple_use):
3474         (vect_analyze_operations):
3475         (vect_is_simple_iv_evolution):
3476         (vect_analyze_scalar_cycles):
3477         (vect_analyze_data_ref_dependence):
3478         (vect_analyze_data_ref_dependences):
3479         (vect_compute_data_ref_alignment):
3480         (vect_enhance_data_refs_alignment):
3481         (vect_analyze_data_refs_alignment):
3482         (vect_analyze_data_ref_access):
3483         (vect_analyze_data_ref_accesses):
3484         (vect_analyze_pointer_ref_access):
3485         (vect_get_memtag_and_dr):
3486         (vect_analyze_data_refs):
3487         (vect_mark_relevant):
3488         (vect_stmt_relevant_p):
3489         (vect_mark_stmts_to_be_vectorized):
3490         (vect_can_advance_ivs_p):
3491         (vect_get_loop_niters):
3492         (vect_analyze_loop_form):
3493         (vect_analyze_loop):
3494         (vectorize_loops): Likewise.
3495
3496         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
3497         (vect_update_inits_of_drs):
3498         (vect_do_peeling_for_alignment):
3499         (vect_transform_loop):
3500         (vect_analyze_operations):
3501         (vect_analyze_scalar_cycles):
3502         (vect_analyze_data_ref_dependences):
3503         (vect_analyze_data_refs_alignment):
3504         (vect_analyze_data_ref_accesses):
3505         (vect_analyze_data_refs):
3506         (vect_mark_stmts_to_be_vectorized):
3507         (vect_get_loop_niters):
3508         (vect_analyze_loop_form):
3509         (vect_analyze_loop): Likewise.
3510         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
3511
3512 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
3513
3514         PR bootstrap/19796
3515         Revert:
3516         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
3517         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
3518         either -ffast-math or -funsafe-math-optimizations is in use.
3519
3520         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
3521         * config/mips/irix-csr.c: New file.
3522         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
3523         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
3524         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
3525         executables.
3526
3527 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
3528
3529         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
3530         redundant, incorrect definitions.
3531
3532         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
3533         expand.
3534         ("*tls_indirect_call"): New, reference hard regs directly.
3535         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
3536
3537 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
3538
3539         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
3540         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
3541
3542 2005-02-06  Roger Sayle  <roger@eyesopen.com>
3543
3544         PR rtl-optimization/19800
3545         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
3546         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
3547         gen_lowpart.
3548
3549 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
3550
3551         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
3552
3553 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
3554
3555         PR other/17135
3556         * doc/invoke.texi: Correct documentation of -freorder-functions.
3557
3558 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
3559
3560         PR other/14402
3561         * doc/invoke.texi: Don't mention gccbug.
3562
3563 2005-02-06  Roger Sayle  <roger@eyesopen.com>
3564             Andrew Pinski  <pinskia@physics.uc.edu>
3565             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
3566
3567         * simplify-rtx.c (simplify_relational_operation_1): Simplify
3568         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
3569         into just (zero_extract:SI FOO (const_int 1) BAR).
3570
3571 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
3572
3573         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
3574         macro locally.  Don't give last revision date.  Use GCC version
3575         number from gcc-common.texi.
3576         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
3577         revision date.  Use GCC version number from gcc-common.texi.
3578         Describe being a library as current state rather than as 3.x
3579         history.
3580         * doc/gcc.texi: Remove last update date.
3581         * doc/gccint.texi: Likewise.  Update copyright dates.
3582         * doc/install.texi: Update copyright dates.
3583
3584 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
3585
3586         PR other/7549
3587         * doc/invoke.texi: Mention for each option included in -Wall that
3588         it is included in -Wall.
3589         * doc/gcc.texi: Update copyright and last modification date.
3590
3591 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
3592
3593         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
3594         unnecessary cast to original induction variable increments.
3595
3596 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
3597
3598         PR tree-optimization/18219
3599         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
3600         in distributed form.
3601
3602 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
3603
3604         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
3605         Set bitpos and offset later in the function.  Do nothing if the
3606         target is a register and if the bitfield lies completely outside
3607         that register.
3608         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
3609         here.  Return an uninitialised register if the source value is stored
3610         in a register and the bitfield lies completely outside that register.
3611
3612 2005-02-06  Steven Bosscher  <stevenb@suse.de>
3613
3614         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
3615         not SET_DEST.
3616
3617 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
3618
3619         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
3620
3621 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
3622
3623         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
3624         * config/darwin8.h: New.
3625         * config/darwin7.h: Update comment.
3626
3627 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
3628             Dorit Naishlos  <dorit@il.ibm.com>
3629
3630         * tree-vectorizer.h (LOC): New type.
3631         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
3632         (loop_line_number): New field in struct _loop_vec_info.
3633         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
3634
3635         * tree-vectorizer.c (input.h): Included.
3636         (find_loop_location): New function.
3637         (vect_debug_stats): Argument changed from loop to LOC. Computation of
3638         loop line number removed.
3639         (vect_debug_details): Likewise.
3640         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
3641
3642         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
3643         call to vect_debug_details/stats changed from loop to loop_loc.
3644         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
3645         (slpeel_tree_peel_loop_to_edge): Likewise.
3646
3647         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
3648         changed from NULL to UNKNOWN_LOC.
3649         (vect_get_base_and_offset):
3650         (vect_create_addr_base_for_vector_ref):
3651         (get_vectype_for_scalar_type):
3652         (vect_create_data_ref_ptr):
3653         (vect_init_vector):
3654         (vect_get_vec_def_for_operand):
3655         (vect_finish_stmt_generation):
3656         (vectorizable_assignment):
3657         (vectorizable_operation):
3658         (vectorizable_store):
3659         (vectorizable_load):
3660         (vect_transform_stmt):
3661         (vect_update_ivs_after_vectorizer):
3662         (vect_do_peeling_for_loop_bound):
3663         (vect_do_peeling_for_alignment):
3664         (vect_transform_loop):
3665         (vect_is_simple_use):
3666         (vect_analyze_operations):
3667         (vect_is_simple_iv_evolution):
3668         (vect_analyze_scalar_cycles):
3669         (vect_analyze_data_ref_dependences):
3670         (vect_compute_data_ref_alignment):
3671         (vect_enhance_data_refs_alignment):
3672         (vect_analyze_data_ref_access):
3673         (vect_analyze_data_ref_accesses):
3674         (vect_analyze_pointer_ref_access):
3675         (vect_get_memtag_and_dr):
3676         (vect_analyze_data_refs):
3677         (vect_mark_relevant):
3678         (vect_stmt_relevant_p):
3679         (vect_mark_stmts_to_be_vectorized):
3680         (vect_can_advance_ivs_p):
3681         (vect_get_loop_niters):
3682         (vect_analyze_loop):
3683         (vectorize_loops): Likewise.
3684
3685         (vectorizable_load): Argument in call to vect_debug_details/stats
3686         changed from loop to LOOP_LOC (loop_vinfo).
3687         (vect_transform_loop):
3688         (vect_analyze_operations):
3689         (vect_analyze_scalar_cycles):
3690         (vect_analyze_data_ref_dependence):
3691         (vect_enhance_data_refs_alignment):
3692         (vect_analyze_data_ref_accesses):
3693         (vect_analyze_pointer_ref_access):
3694         (vect_analyze_data_refs):
3695         (vect_analyze_loop): Likewise.
3696
3697         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
3698         changed from loop to loop_loc.
3699
3700         (vect_enhance_data_refs_alignment): Removed unused variable loop.
3701
3702 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
3703             Dorit Naishlos  <dorit@il.ibm.com>
3704
3705         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
3706         declaration added.
3707         (vect_analyze_data_ref_dependences): Likewise.
3708
3709         (vect_is_simple_use): Argument changed from loop structure to
3710         loop_vect_info structure.
3711         (vect_can_advance_ivs_p): Likewise.
3712         (vect_create_index_for_vector_ref): Likewise.
3713         (vect_update_ivs_after_vectorizer): Likewise.
3714         (new_stmt_vec_info): Likewise.
3715
3716         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
3717         changed from loop to loop_vinfo.
3718         (vect_create_data_ref_ptr): First argument in call to
3719         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
3720         (vectorizable_assignment): Second argument in call to vect_is_simple_use
3721         was changed from loop to loop_vinfo.
3722         (vectorizable_operation): Likewise.
3723         (vectorizable_store): Likewise.
3724         (vect_mark_stmts_to_be_vectorized): Likewise.
3725         (vect_do_peeling_for_loop_bound): First argument in call to
3726         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
3727         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
3728         was changed from loop to loop_vinfo.
3729         (vect_analyze_data_ref_dependences): Third argument in call to
3730         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
3731
3732         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
3733         (vect_create_data_ref_ptr): Likewise.
3734         (vect_init_vector): Likewise.
3735         (vect_get_vec_def_for_operand): Likewise.
3736         (vectorizable_assignment): Likewise.
3737         (vectorizable_operation): Likewise.
3738         (vectorizable_store): Likewise.
3739         (vectorizable_load): Likewise.
3740         (vect_update_ivs_after_vectorizer): Likewise.
3741         (vect_is_simple_use): Likewise.
3742         (vect_analyze_data_ref_dependence): Likewise.
3743         (vect_analyze_pointer_ref_access): Likewise.
3744         (vect_can_advance_ivs_p): Likewise.
3745
3746         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
3747         before _stmt_vec_info.
3748         (_stmt_vec_info): Loop field replaced by loop_vec_info.
3749         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
3750         (new_stmt_vec_info): Argument changed from loop structure to
3751         loop_vect_info structure
3752
3753         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
3754         (vect_analyze_offset_expr): Avoid 80 columns overflow.
3755         (vect_create_addr_base_for_vector_ref): Likewise.
3756         (vect_analyze_pointer_ref_access): Likewise.
3757
3758 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
3759
3760         PR tree-opt/19768
3761         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
3762         phi flag if the phi is abnormal.
3763
3764 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
3765
3766         PR tree-opt/19736
3767         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
3768         information for the new statement.
3769
3770 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
3771
3772         PR driver/19117
3773         * gcc.c (main): Include the target in -v output.
3774
3775 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
3776
3777         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
3778         Do not drop the extend if we'd have to add a paradoxical subreg
3779         later.  Include optabs.h and insn-codes.h.
3780         * Makefile.in (combine.o): Depend on $(OPTABS_H).
3781
3782 2005-02-02  Roger Sayle  <roger@eyesopen.com>
3783
3784         PR middle-end/19405
3785         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
3786         * fold-const.c (const_binop): Avoid constant folding floating
3787         point operations in modes that use composite representations.
3788         * simplify-rtx.c (simplify_binary_operation): Likewise.
3789
3790 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
3791
3792         * config/rs6000/altivec.md (altivec_dst): Make the first operand
3793         a REG, not a MEM.
3794         (altivec_dstt): Likewise.
3795         (altivec_dstst): Likewise.
3796         (altivec_dststt): Likewise.
3797         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
3798         of first operand.
3799
3800 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
3801
3802         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
3803         EXPR_LOCUS from orig_cond to the new cond_stmt.
3804         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
3805         the new vec_stmt.
3806
3807 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
3808
3809         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
3810         standard_iv_increment_position. Remove call to bsi_next
3811         (no need to bump the iterator anymore).
3812         (vect_create_index_for_vector_ref): Call
3813         standard_iv_increment_position. Remove second function argument.
3814         (vect_finish_stmt_generation): Remove call to bsi_next
3815         (no need to bump the iterator anymore).
3816         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
3817         to vect_create_index_for_vector_ref.
3818
3819 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
3820
3821         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
3822         phis are used out of the loop.
3823
3824 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
3825
3826         PR c/17807
3827         * c-decl.c (undef_nested_function): New variable.
3828         (pop_scope): Diagnose undefined nested functions.
3829         (finish_function): Don't attempt cgraph processing or genericizing
3830         if current top-level function contained an undefined nested
3831         function.  Reset undef_nested_function at the end of a top-level
3832         function.
3833
3834 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
3835
3836         * tree.c (build_int_cst_type): Take sign of the value into account
3837         when deciding whether sign extend the value.
3838
3839 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
3840
3841         PR c/18502
3842         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
3843         (cpp_options, cc1_options): Change %{std*&ansi} to
3844         %{std*&ansi&trigraphs}.
3845
3846 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
3847
3848         * cse.c: Update comments.
3849
3850 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
3851
3852         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
3853         arguments go on the stack.  Do not put complex doubles in odd/even
3854         pairs.
3855
3856 2005-02-02  Steven Bosscher  <stevenb@suse.de>
3857
3858         * doc/invoke.texi: Update the options enabled at -O1, -O2,
3859         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
3860         -ftree-pre, and -fthread-jumps.
3861
3862 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
3863
3864         PR tree-optimization/19578
3865         * tree-flow.h (modified_noreturn_calls): Declare.
3866         (noreturn_call_p): Declare.
3867         * tree-flow-inline.h (noreturn_call_p): New function.
3868         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
3869         * tree-cfg.c (modified_noreturn_calls): New variable.
3870         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
3871         that contain a mid-block noreturn call.
3872         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
3873
3874 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
3875
3876         * df.c (df_def_record_1, df_uses_record): Don't use
3877         DF_FOR_REGALLOC.
3878         * df.h (DF_FOR_REGALLOC): Remove.
3879
3880 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
3881
3882         PR c/19435
3883         * c-typeck.c (really_start_incremental_init): Reset
3884         constructor_max_index for arrays of incomplete type.
3885
3886 2005-02-02  Jeff Law  <law@redhat.com>
3887
3888         * gcse.c (struct reg_set): Store the block index where the register
3889         was set rather than the setting insn.
3890         (record_one_set, compute_transp): Corresponding changes.
3891         (pre_insert_copy_insn): Do not call replace_one_set.
3892         (replace_one_set): Remove.
3893
3894 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
3895
3896         PR other/15514
3897         * doc/gcov.texi: Fix typo.
3898
3899 2005-02-01  Richard Henderson  <rth@redhat.com
3900
3901         PR target/19680
3902         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
3903         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
3904         type to bool.
3905         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
3906         * config/i386/i386-protos.h: Update.
3907
3908 2005-02-01  Steven Bosscher  <stevenb@suse.de>
3909
3910         PR tree-optimization/19217
3911         * tree-cfg.c (verify_expr): Use the data field to see if TP was
3912         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
3913         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
3914         that it is walking a PHI node.
3915
3916 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
3917
3918         * doc/extend.texi (Nested Functions): Update.
3919
3920 2005-02-01  Richard Henderson  <rth@redhat.com>
3921
3922         PR 19696
3923         * optabs.c (expand_copysign_absneg): Export.
3924         * optabs.h (expand_copysign_absneg): Declare.
3925         * config/rs6000/rs6000.md (copysigntf3): New.
3926
3927 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
3928
3929         PR tree-optimization/19633
3930         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
3931         * tree-ssa-alias.c (init_alias_info): Initialize.
3932         (merge_pointed_to_info): Set.
3933         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
3934         (dump_points_to_info_for): Show value of pt_null.
3935         (struct count_ptr_d): Declare.
3936         (find_ptr_dereference): Remove.
3937         (ptr_is_dereferenced_by): Remove.
3938         (count_ptr_derefs): New local function.
3939         (count_uses_and_derefs): New local function.
3940         (compute_points_to_and_addr_escape): Call it.  If the number
3941         of dereferences is greater than zero, mark the pointer as
3942         dereferenced.  If there are fewer dereferences than uses of
3943         the pointer, the pointer's value escapes.
3944
3945 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
3946
3947         PR tree-optimization/19670
3948         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
3949         here...
3950         (verify_use): ... set it here, instead.
3951
3952 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
3953
3954         * doc/sourcebuild.texi (Test directives): Fix formatting.
3955
3956         * doc/sourcebuild.texi (Test directives): Describe selector
3957         expressions.
3958
3959 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
3960
3961         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
3962         specific 64-bit CPUs.
3963
3964 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
3965
3966         PR target/16201
3967         * arm.c (arm_eliminable_register): New function.
3968         (adjacent_mem_locations): Don't allow eliminable registers.  Use
3969         HOST_WIDE_INT for address offsets.
3970         * arm-protos.h (arm_eliminable_register): Add prototype.
3971
3972 2005-02-01  Steven Bosscher  <stevenb@suse.de>
3973
3974         PR optimization/15242
3975         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
3976         * basic-block.h (duplicate_computed_gotos): Add prototype.
3977         * bb-reorder.c (duplicate_computed_gotos): New function to
3978         duplicate sufficiently small blocks ending in a computed jump.
3979         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
3980         if not optimizing for size.
3981         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
3982         never do tail merging for blocks ending in a computed jump.
3983         * doc/invoke.texi: Document the max-goto-duplication-insns param.
3984
3985 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
3986
3987         Patch from Richard Sandiford <rsandifo@redhat.com>
3988         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
3989         from inheriting a subreg equivalence with a non-spill register.
3990
3991         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
3992
3993 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
3994
3995         * config/frv/frv.c (movcc_fp_destination_operand): New.
3996         (gpr_or_memory_operand): Fix typo in comment.
3997         (gpr_or_memory_operand_with_scratch): New.
3998         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
3999         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
4000         movcc_fp_destination_operand.
4001         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
4002         Legitimize memory addresses using a scratch register.
4003
4004 2005-01-31  Jeff Law  <law@redhat.com>
4005
4006         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
4007         bitmap a sparse bitmap instead of a simple bitmap.
4008         (mark_def_sites_initialize_block):  Corresponding changes.
4009         (ssa_mark_def_sites_initialize_block): Likewise.
4010         (ssa_mark_phi_uses): Likewise.
4011         (mark_def_site, ssa_mark_def_sites): Likewise.
4012         (mark_def_site_blocks): Likewise.
4013         (rewrite_ssa_into_ssa): Likewise.
4014
4015         * tree-ssa-dom.c (record_cond): Pass correct variable type
4016         for last argument to htab_find_slot_with_hash.
4017
4018         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
4019         effects when optimizing 0 % X.  Do not try to optimize X % 0.
4020
4021 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
4022
4023         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
4024         1_mmalua.
4025
4026 2005-02-01  Eric Christopher  <echristo@redhat.com>
4027
4028         * config/mips/mips.c (override_options): Warn if -mint64
4029         is used.
4030         * doc/invoke.texi (MIPS Options): Document that -mint64 is
4031         deprecated.
4032
4033 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
4034
4035         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
4036         timestamp.
4037         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
4038         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
4039         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
4040         (cached_regno): Initialize to INVALID_REGNUM.
4041         (cse_reg_info_table_size,
4042         cse_reg_info_table_first_uninitialized,
4043         cse_reg_info_timestamp): New.
4044         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
4045         get_cse_reg_info.
4046         (init_cse_reg_info, get_cse_reg_info_1): New.
4047         (get_cse_reg_info): Cache the last look-up.
4048         (new_basic_block): Update the code to clear mappings from
4049         registers to cse_reg_info entries.
4050         (cse_main): Call init_cse_reg_info.
4051
4052         * cse.c (get_cse_reg_info): Update a comment.
4053
4054 2005-01-31  Steven Bosscher  <stevenb@suse.de>
4055
4056         PR c/19333
4057         * c-decl.c (start_decl): Do not warn about arrays of elements with
4058         an incomplete type here.
4059         (grokdeclarator): Do it here by making a pedwarn an error.
4060         * c-typeck.c (push_init_level): If there were previous errors with
4061         the constructor type, do not warn about braces for initializers.
4062         (process_init_element): Likewise for excess initializer elements.
4063
4064 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
4065
4066         * cse.c (delete_trivially_dead_insn): Don't iterate.
4067
4068 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
4069
4070         * config/rs6000/rs6000.md (copysignsf3): New expand.
4071         (copysigndf3): Likewise.
4072
4073 2005-01-31  Steven Bosscher  <stevenb@suse.de>
4074
4075         * recog.c (constrain_operands): Only look for earlyclobber operand
4076         conflicts if an '&' constraint was seen.
4077
4078 2005-01-31  Marc Espie <espie@openbsd.org>
4079
4080         * config.gcc: Don't include embedded systems fragment, switches default
4081         debugging format to ELF.
4082         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
4083         longer pick it up there.
4084
4085 2005-01-31  Dale Johannesen  <dalej@apple.com>
4086
4087         * doc/extend.texi (nested functions): Fix linkage description.
4088         Clarify that static is not allowed.
4089
4090 2005-01-31  Dale Johannesen  <dalej@apple.com>
4091
4092         * config/rs6000/darwin.md (movsf_low_di):  Make work.
4093         (movdf_low_di):  Make work.
4094
4095 2005-01-31  Dale Johannesen  <dalej@apple.com>
4096
4097         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
4098         Make work for 64 bit.
4099
4100 2005-01-31  Roger Sayle  <roger@eyesopen.com>
4101             Dale Johannesen  <dalej@apple.com>
4102
4103         PR middle-end/19650
4104         * fold-const.c (fold_binary_op_with_conditional_arg):
4105         Make types match original operands, before STRIP_NOPS.
4106
4107 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
4108
4109         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
4110         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
4111         (struct gcc_sigcontext): Delete.  Merge contents to..
4112         (struct gcc_ucontext): ..here.
4113         (get_sigcontext): Delete.
4114         (get_regs): New function, like get_sigcontext but return regs ptr.
4115         64-bit version finds regs from r1 to support vdso.
4116         (ppc_linux_aux_vector): New function.
4117         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
4118         and vector regs.
4119
4120 2005-01-31  Ira Rosen  <irar@il.ibm.com>
4121
4122         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
4123         sizetype.
4124         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
4125         redundant fold. Fix misalignment for MINUS_EXPR.
4126         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
4127         (vect_analyze_pointer_ref_access): Likewise.
4128         (vect_get_memtag_and_dr): Likewise.
4129
4130 2005-01-31  Richard Henderson  <rth@redhat.com>
4131
4132         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
4133         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
4134         absnegdf2_i387, absnegxf2_i387): Likewise.
4135
4136 2005-01-31  Richard Henderson  <rth@redhat.com>
4137
4138         PR 19696
4139         * optabs.c (expand_copysign_absneg): New.
4140         (expand_copysign_bit): Split out from ...
4141         (expand_copysign): ... here.  Use expand_copysign_absneg.
4142
4143 2005-01-30  Roger Sayle  <roger@eyesopen.com>
4144
4145         PR middle-end/19697
4146         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
4147         constant as the second operand and a register as the third.
4148
4149 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
4150
4151         PR target/19704
4152         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
4153         that dllimport'd functions do not use all call-clobbered registers
4154         to pass parameters.
4155
4156 2005-01-30  Richard Henderson  <rth@redhat.com>
4157
4158         PR 19696
4159         * optabs.c (expand_absneg_bit): Split out from expand_unop and
4160         expand_abs_nojump and generalize.  Use operand_subword and
4161         emit_no_conflict_block.  Support large modes.
4162         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
4163         back to maximum.
4164         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
4165         negation to subtraction.
4166         (expand_copysign): Check that the format has signed zeros.
4167         Use operand_subword and emit_no_conflict_block.  Support large modes.
4168
4169 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
4170
4171         Fix PR tree-optimization/19624
4172
4173         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
4174         * tree-ssa-pre.c: Add cfgloop.h.
4175         Update comment.
4176         (pre_stats): New member, constified.
4177         (inserted_exprs): New static variable.
4178         (NECESSARY): New macro.
4179         (create_expression_by_pieces): Fold the expression, and
4180         mark it as defaulting to not necessary. Also put in
4181         inserted_exprs.
4182         (fully_constant_expression): New function.
4183         (insert_into_preds_of_block): Modify to not insert phis when we
4184         are playing with induction variables.
4185         Push phis onto the inserted_exprs vector, and mark them as not
4186         necessary by default.
4187         (insert_aux): Call fully_constant_expression on eprime.
4188         If all edges produce the same value, mark it constant.
4189         (mark_operand_necessary): New function.
4190         (remove_dead_inserted_code): New function.
4191         (init_pre): Init loop optimizer to get loop info.
4192         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
4193         (execute_pre): Commit edge inserts, then remove dead code.
4194
4195 2005-01-30  Richard Henderson  <rth@redhat.com>
4196
4197         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
4198         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
4199
4200 2005-01-30  Richard Henderson  <rth@redhat.com>
4201
4202         PR target/19700
4203         * config/i386/i386.c (ix86_expand_copysign): New.
4204         (ix86_split_copysign_const): New.
4205         (ix86_split_copysign_var): Rename from ix86_split_copysign,
4206         rearrange op1/nmask operands.
4207         * config/i386/i386-protos.h: Update.
4208         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
4209         (copysigndf3): Likewise.
4210         (copysignsf3_const, copysigndf3_const): New.
4211         (copysignsf3_var): Rename from copysignsf3, split out splitter
4212         and fix split predicate for X constraint.
4213         (copysigndf3_var): Similarly.
4214
4215 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
4216
4217         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
4218         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
4219         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
4220
4221 2005-01-29  Richard Henderson  <rth@redhat.com>
4222
4223         PR target/19690
4224         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
4225         of # and * in constraints.
4226
4227 2005-01-29  Richard Henderson  <rth@redhat.com>
4228
4229         PR middle-end/19689
4230         * expr.c (store_field): Don't strip sub-mode cast when the input
4231         data is even smaller.
4232
4233 2005-01-29  Richard Henderson  <rth@redhat.com>
4234
4235         PR middle-end/19687
4236         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
4237         union being empty.
4238
4239 2005-01-29  Richard Henderson  <rth@redhat.com>
4240
4241         * combine.c (make_field_assignment): Fix argument order
4242         to gen_int_mode.
4243
4244 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
4245
4246         PR tree-optimization/15791
4247         * fold-const.c (extract_array_ref): New function.
4248         (fold): Fold comparisons between &a[i] and &a[j] or
4249         semantically equivalent trees.
4250
4251 2005-01-29  Jeff Law  <law@redhat.com>
4252
4253         * gcse.c (insert_expr_in_table): Revamp handling of available
4254         and anticipatable occurrence lists to avoid unnecessary list
4255         walking.
4256         (insert_set_in_table): Similarly.
4257
4258 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
4259
4260         * c-common.c (fix_string_type): Just use c_build_qualified_type to
4261         build string type.
4262         (c_build_qualified_type): Build qualified array types with
4263         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
4264         * c-decl.c (c_make_fname_decl): Build unqualified array type
4265         before qualified type.
4266         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
4267         type is qualified, not just if type itself is.  Don't apply
4268         qualifiers to array type when declarator is processed.  Apply
4269         qualifiers to field type whether or not it is an array type.
4270         Don't handle array types specially for applying qualifiers to
4271         variables.
4272         * c-typeck.c (composite_type): Build unqualified element type and
4273         array type when forming composite of array types.
4274         (common_pointer_type, comptypes, comp_target_types,
4275         type_lists_compatible_p, build_indirect_ref, build_array_ref,
4276         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
4277         types.
4278         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
4279         (args2) in variables a1 and a2.
4280
4281 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
4282
4283         * cse.c (n_elements_made, max_elements_made): Remove.
4284         (insert): Don't touch n_elements_made.
4285         (cse_main): Don't touch n_elements_made or max_elements_made.
4286
4287 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
4288
4289         PR target/15384
4290         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
4291         configuration part of dp-bit.c to be lost.
4292
4293 2005-01-28  Roger Sayle  <roger@eyesopen.com>
4294
4295         * expmed.c (expand_mult_highpart_optab): When attempting to use
4296         a non-widening multiplication in a wider mode, the operands need
4297         to be converted (zero or sign extended) to that mode.
4298
4299 2005-01-28  Ian Lance Taylor  <ian@airs.com>
4300
4301         PR middle-end/16558
4302         PR middle-end/19583
4303         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
4304         through if both operands fall through.
4305
4306 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
4307
4308         * cse.c (fold_rtx) <PC>: Don't optimize.
4309
4310 2005-01-28  Jeff Law  <law@redhat.com>
4311
4312         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
4313         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
4314
4315 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
4316
4317         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
4318         cse_reg_info_used_list_end): Remove.
4319         (cse_reg_info_list, cse_reg_info_list_free): New.
4320         (get_cse_reg_info): When allocating an instance of
4321         cse_reg_info, add it to the beginning of the cse_reg_info_list
4322         list.  Remove code to maintain cse_reg_info_used_list.
4323         (new_basic_block): Reset the free list to the beginning of
4324         cse_reg_info_list.
4325
4326 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
4327
4328         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
4329         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
4330         (frv_expand_mdpackh_builtin): New function.
4331         (frv_expand_builtin): Use it to expand __MDPACKH.
4332         * doc/extend.texi (__MDPACKH): Update documentation.
4333
4334 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
4335
4336         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
4337         SSE_FLOAT_MODE_P for use_sse computation.
4338
4339 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
4340
4341         PR target/19663
4342         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
4343
4344 2005-01-27  Richard Henderson  <rth@redhat.com>
4345
4346         * builtins.c (expand_builtin_copysign): New.
4347         (expand_builtin): Call it.
4348         * genopinit.c (optabs): Add copysign_optab.
4349         * optabs.c (init_optabs): Initialize it.
4350         (expand_copysign): New.
4351         * optabs.h (OTI_copysign, copysign_optab): New.
4352         (expand_copysign): Declare.
4353
4354         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
4355         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
4356
4357         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
4358         (ix86_expand_fp_absneg_operator): ... here.
4359         (ix86_split_copysign): New.
4360         * config/i386/i386-protos.h: Update.
4361         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
4362         (copysignsf3, copysigndf3): New.
4363
4364         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
4365         (copysignsf3, ncopysignsf3): New.
4366         (copysigndf3, ncopysigndf3): New.
4367         (copysignxf3, ncopysignxf3): New.
4368         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
4369
4370 2005-01-27  Arend Bayer  <arend.bayer@web.de>
4371             Kazu Hirata  <kazu@cs.umass.edu>
4372
4373         * cse.c: (find_best_addr): Don't call copy_rtx before calling
4374         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
4375         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
4376         NULL_RTX.
4377
4378 2005-01-27  Jeff Law  <law@redhat.com>
4379
4380         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
4381         definitions of SSA_NAMEs which are not being rewritten.
4382         (rewrite_ssa_into_ssa): Only initialize the current definition
4383         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
4384         If checking is enabled, assert that SSA_NAME_AUX is clear for all
4385         SSA_NAMEs before returning.
4386
4387 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
4388
4389         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
4390         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
4391         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
4392         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
4393         config/mips/iris6.h, config/sh/sh.c: Update copyright.
4394
4395 2005-01-27  Steven Bosscher  <stevenb@suse.de>
4396
4397         PR middle-end/17278
4398         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
4399         higher to -O2 and higher.  Likewise for tree PRE.
4400         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
4401         and better.
4402
4403 2005-01-27  Ian Lance Taylor  <ian@airs.com>
4404
4405         PR middle-end/19583
4406         * gimple-low.c (try_catch_may_fallthru): New static function.
4407         (block_may_fallthru): Handle TRY_CATCH_EXPR.
4408         * tree-inline.c (expand_call_inline): Don't warn about reaching
4409         the end of a non-void function being inlined if the function uses
4410         a return slot.
4411
4412 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
4413
4414         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
4415
4416         PR c/18946
4417         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
4418         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
4419         (implicitly_declare): Handle error_mark_node.
4420
4421 2005-01-27  Richard Henderson  <rth@redhat.com>
4422
4423         PR tree-opt/14329
4424         * tree.h (struct tree_decl): Add debug_expr_is_from.
4425         (DECL_DEBUG_EXPR_IS_FROM): New.
4426         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
4427         * dwarf2out.c (dwarf2out_var_location): Update to match.
4428         * tree-outof-ssa.c (create_temp): Likewise.
4429         * var-tracking.c (track_expr_p): Likewise.
4430         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
4431         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
4432         * toplev.c (default_tree_printer): Likewise.
4433
4434 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
4435
4436         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
4437         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
4438
4439 2005-01-27  Steven Bosscher  <stevenb@suse.de>
4440
4441         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
4442         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
4443         ASM_CLOBBERS): Add tree checks.
4444
4445         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
4446         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
4447         * c-common.def (SWITCH_STMT): Update to match.
4448         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
4449         macros instead of SWITCH_EXPR ones.
4450         * c-dump.c (c_dump_tree): Likewise.
4451         * c-gimplify.c (gimplify_switch_stmt): Likewise.
4452         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
4453
4454         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
4455
4456 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
4457
4458         * unwind-dw2.c (execute_stack_op): Add missing cases for
4459         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
4460
4461 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
4462
4463         * config.gcc (Obsolete configurations): Remove 'dummy', add
4464         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
4465         sparc-*-openbsd*.
4466
4467 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
4468
4469         PR tree-optimization/19633
4470         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
4471         CALL_EXPRs.
4472         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
4473         are no call-clobbered variables.
4474         * tree-outof-ssa.c (check_replaceable): Return false for calls
4475         with side-effects.
4476
4477 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
4478
4479         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
4480         even for variables with NULL DECL_INITIAL.
4481
4482 2005-01-26  Stuart Hastings  <stuart@apple.com>
4483
4484         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
4485
4486 2005-01-26  Richard Henderson  <rth@redhat.com>
4487
4488         PR middle-end/18008
4489         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
4490         field's type.
4491         * expr.c (store_field): Strip conversions to odd-bit-sized types
4492         if the destination field width matches.
4493
4494 2005-01-26  Richard Henderson  <rth@redhat.com>
4495
4496         * c-decl.c, expmed.c, expr.c: Revert last change.
4497
4498 2005-01-26  Richard Henderson  <rth@redhat.com>
4499
4500         PR middle-end/18008
4501         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
4502         field's type.
4503         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
4504         if we don't need the bits above those present in the current mode.
4505         * expr.c (store_field): Strip conversions to odd-bit-sized types
4506         if the destination field width matches.
4507
4508 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
4509
4510         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
4511         either -ffast-math or -funsafe-math-optimizations is in use.
4512
4513 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
4514
4515         PR target/19293
4516         PR target/19329
4517         * config/avr/avr.c (notice_update_cc): Only set condition code for
4518         ashrqi3 if shift count > 0.
4519         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
4520         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
4521         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
4522         count <= 0 as a no-op, and shift count >= width by copying zero
4523         or sign bit to all bits of the result.
4524         * config/avr/avr.md (all shifts): Add alternatives for zero shift
4525         count, with attribute "length" set to 0 and "cc" set to "none".
4526
4527 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
4528
4529         * doc/invoke.texi: Document -mTLS.
4530
4531         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
4532         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
4533         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
4534         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
4535         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
4536         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
4537         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
4538         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
4539
4540         * configure.ac: Check for a TLS capable gas.
4541
4542         * configure: Regenerate.
4543
4544 2005-01-26  Richard Henderson  <rth@redhat.com>
4545
4546         PR middle-end/18008
4547         * combine.c (make_field_assignment): Simplify store to zero_extract
4548         from a source with an overlapping mask.
4549
4550 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
4551
4552         2004-11-11  Eric Christopher  <echristo@redhat.com>
4553
4554         * config/frv/frv.md: Add fr400_integer automaton. Don't
4555         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
4556         to TYPE_MACC.
4557
4558 2005-01-26  Steven Bosscher  <stevenb@suse.de>
4559
4560         PR middle-end/16585
4561         * cfgbuild.c (make_edges): Do not clear or set
4562         current_function_has_computed_jump.
4563         * function.h (struct function): Remove the has_computed_jump field.
4564         (current_function_has_computed_jump): Do not define.
4565         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
4566         in a computed jump.  Ignore current_function_has_computed_jump.
4567
4568 2005-01-26  Richard Henderson  <rth@redhat.com>
4569
4570         PR middle-end/19515
4571         * expr.c (categorize_ctor_elements): New argument p_must_clear.
4572         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
4573         fully initialized.
4574         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
4575         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
4576         objects into static storage if they have more than one non-zero value.
4577         * tree.h (categorize_ctor_elements): Update decl.
4578
4579 2005-01-26  Steven Bosscher  <stevenb@suse.de>
4580
4581         PR middle-end/19616
4582         * tree.h (CALL_EXPR_TAILCALL): Add comment.
4583         * calls.c (check_sibcall_argument_overlap_1): Revert the change
4584         to this function from 2004-07-10.
4585         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
4586         the current function for tail call optimizations if the address
4587         of one of it its arguments is taken.
4588
4589 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
4590
4591         * cse.c (fold_rtx): Call equiv_constant only when necessary.
4592
4593 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
4594
4595         * function.c (expand_function_end): If current_function_calls_alloca,
4596         emit stack restore in a place that is reached when the function falls
4597         through at the end.
4598
4599 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
4600
4601         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
4602         rule to avoid matching inappropriate suffix rule.
4603
4604 2005-01-26  Jan Hubicka  <jh@suse.cz>
4605
4606         PR tree-optimization/19241
4607         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
4608
4609 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
4610
4611         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
4612         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
4613         of doubling.
4614         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
4615         <sim*>: Always use crt1.o, regardless of N in simN.
4616         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
4617         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
4618         (CRT_CALL_STATIC_FUNCTION): Remove.
4619         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
4620         use crt1.o, regardless of N in simN.
4621         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
4622         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
4623         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
4624         case isystem setting.
4625         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
4626
4627 2005-01-25  Ian Lance Taylor  <ian@airs.com>
4628
4629         * gimple-low.c (block_may_fallthru): Correct handling of
4630         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
4631
4632 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
4633
4634         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
4635         handlers to match indentation; nested under the mtune=* handler.
4636         Similar for mcpu= and march=.
4637
4638 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
4639
4640         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
4641         * config/mips/linux64.h (LIB_SPEC): Likewise.
4642         * config/mn10300/linux.h (LIB_SPEC): Likewise.
4643         * config/sh/linux.h (LIB_SPEC): Likewise.
4644
4645 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
4646
4647         * config/frv/frv.c (frv_legitimize_tls_address): New.
4648         (TARGET_HAVE_TLS): Define.
4649         (FRV_SYMBOL_REF_TLS_P): Define.
4650         (frv_override_options): Handle new register classes.
4651         (frv_legitimate_address_p): Reject tls addresses.
4652         (frv_legitimize_address): Handle TLS addresses.
4653         (gen_inlined_tls_plt): New.
4654         (gen_tlsmoff): New.
4655         (frv_legitimize_tls_address): New.
4656         (unspec_got_name): Add TLS entries.
4657         (got12_operand): Add R_FRV_TLSMOFF12 case.
4658         (frv_emit_move): Fixup TLS addresses.
4659         (frv_emit_movsi): Legitimize TLS addresses.
4660
4661         * config/frv/frv.h (MASK_BIG_TLS): New.
4662         (TARGET_BIG_TLS): New.
4663         (HAVE_AS_TLS): Define.
4664         (TARGET_SWITCHES): Add -mTLS and -mtls options.
4665         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
4666         (REG_CLASS_NAMES): Same.
4667         (REG_CLASS_CONTENTS): Same.
4668         (CONSTRAINT_LEN): New.
4669         (REG_CLASS_FROM_CONSTRAINT): New.
4670         (PREDICATE_CODES): Add symbolic_operand.
4671
4672         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
4673         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
4674         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
4675         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
4676         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
4677         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
4678         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
4679         GR9_REG, GR14_REG, LRREG.
4680         (type): Add load_or_call attribute.
4681         ("load_or_call"): New reservation.
4682         ("call_gettlsoff"): New.
4683         ("tls_indirect_call"): New.
4684         ("tls_load_gottlsoff12"): New.
4685         ("tlsoff_hilo"): New.
4686         ("tls_tlsdesc_ldd"): New.
4687         ("tls_tlsoff_ld"): New.
4688         ("tls_lddi"): New.
4689
4690         * config/frv/frv-protos.h (symbolic_operand): Protoize.
4691
4692         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
4693
4694         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
4695         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
4696         * config/frv/frv.c (TLS_BIAS): Define.
4697         (frv_output_dwarf_dtprel): New.
4698
4699 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
4700
4701         PR rtl-optimization/19579
4702         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
4703         both A and B, see if they don't clobber registers the other expr uses.
4704
4705 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
4706
4707         * real.c (do_add): Initialize signalling and canonical members.
4708
4709         * real.c (real_from_integer): Zero out destination.
4710
4711 2005-01-18  Jan Hubicka  <jh@suse.cz>
4712
4713         PR tree-optimize/19337
4714         * tree-inline.c (initialize_inlined_parameters): Copy
4715         saved_static_chain_decl only.
4716
4717 2005-01-25  Richard Henderson  <rth@redhat.com>
4718
4719         PR target/19556
4720         PR target/19584
4721         * config/i386/i386.c (x86_inter_unit_moves): Zero.
4722         (ix86_preferred_reload_class): Rewrite fp-constant section, with
4723         80387 enabled, to return a proper subclass.  Return the subset that
4724         overlaps with GENERAL_REGS for PLUS.
4725         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
4726
4727 2005-01-25  Richard Henderson  <rth@redhat.com>
4728
4729         PR middle-end/19609
4730         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
4731
4732 2005-01-25  Roger Sayle  <roger@eyesopen.com>
4733
4734         * expmed.c (choose_multiplier): Change interface to return the
4735         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
4736         (expand_divmod): Update calls to choose_multiplier.
4737
4738 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4739
4740         PR middle-end/19330
4741         * expmed.c (extract_bit_field): Use adjust_address instead of
4742         gen_lowpart when op0 is a MEM.
4743
4744 2005-01-24  Steven Bosscher  <stevenb@suse.de>
4745
4746         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
4747
4748 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
4749
4750         * config/mips/irix-csr.c: New file.
4751         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
4752         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
4753         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
4754         executables.
4755
4756 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
4757
4758         PR bootstrap/19364
4759         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
4760         sparc/elf.h, add sparc/sp-elf.h.
4761         (sparc-*-rtems*): Likewise.
4762         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
4763         tm-dwarf2.h, add sparc/sp-elf.h.
4764         (sparc86x-*-elf): Likewise.
4765         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
4766         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
4767         TARGET_OS_CPP_BUILTINS.
4768         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
4769         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
4770         Undefine it.
4771         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
4772         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
4773         (SWITCH_TAKES_ARG): Likewise.
4774         (LOCAL_LABEL_PREFIX): Likewise.
4775         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
4776         (TARGET_N_FORMAT_TYPES): Delete.
4777         (TARGET_FORMAT_TYPES): Likewise.
4778         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
4779         * config/sparc/elf.h: Delete.
4780         * config/sparc/sp-elf.h: New file.
4781
4782 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
4783
4784         * tree-flow-inline.h (phi_arg_from_edge): Remove.
4785         * tree-flow.h: Remove the corresponding prototype.
4786         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
4787         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
4788
4789 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
4790
4791         PR target/17751
4792         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
4793         for AIX ABI or ELF -fPIC.
4794         (rs6000_emit_load_toc_table): Don't create toc_section here.
4795         (rs6000_xcoff_file_start): Nor here.
4796
4797 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
4798
4799         * sh.c (ra.h): Don't #include.
4800         (hard_regs_intersect_p): New function, resurrected from ra.c.
4801
4802         * sh.c: Fix 1996 Copyright.
4803
4804 2005-01-24  Richard Henderson  <rth@redhat.com>
4805             Aldy Hernandez  <aldyh@redhat.com>
4806
4807         * regrename.c (note_sets): Handle subregs.
4808
4809 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
4810
4811         PR bootstrap/18058
4812         * genconditions.c (write_header, write_conditions): Elide file if
4813         not GCC >= 3.0.1.
4814
4815 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
4816
4817         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
4818         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
4819         Update copyright.
4820
4821 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
4822
4823         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
4824         expand_builtin_printf, expand_builtin_fprintf,
4825         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
4826         checking against POINTER_TYPE.
4827         (validate_arglist): Handle POINTER_TYPE code by checking
4828         POINTER_TYPE_P.
4829
4830 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
4831
4832         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
4833         init_rtlanal): New.
4834         (for_each_rtx): Call for_each_rtx_1.
4835         * rtl.h (init_rtlanal): Declare.
4836         * toplev.c (backend_init): Call init_rtlanal.
4837
4838 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
4839
4840         * flow.c (propagate_one_insn): Formatting.
4841
4842         PR middle-end/19551
4843         * flow.c (libcall_dead_p): Be more conservative if unsure.
4844         If there are any instructions between insn and call, see if they are
4845         all dead before saying the libcall is dead.
4846
4847 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
4848
4849         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
4850         operand constraint for operand 0.
4851
4852 2005-01-23  Richard Henderson  <rth@redhat.com>
4853
4854         PR 19486
4855         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
4856         edges leading to join block.
4857
4858 2005-01-23  Roger Sayle  <roger@eyesopen.com>
4859
4860         * expmed.c (expand_mult_highpart): Make static.  Change type of
4861         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
4862         (expand_divmod): Updates calls to expand_mult_highpart by using
4863         gen_int_mode to pass a CONST_INT rtx.
4864         * rtl.h (expand_mult_highpart): Remove prototype.
4865
4866 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
4867
4868         * flow.c (regset_bytes, regset_size): Remove.
4869
4870         * cfganal.c: Fix a reference to Harvey's paper.
4871
4872 2005-01-23  Steven Bosscher  <stevenb@suse.de>
4873
4874         PR rtl-optimization/19464
4875         * tree-optimize.c (init_tree_optimization_passes): Add one more
4876         copyrename pass just before out-of-ssa.
4877
4878 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
4879
4880         PR bootstrap/18058
4881         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
4882         * ggc-none.c (ggc_free): Define.
4883
4884 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
4885
4886         * cse.c (max_reg, max_insn_uid): Remove.
4887         (cse_main): Don't access max_reg or max_insn_uid.
4888
4889         * c-common.c (explicit_flag_signed_bitfields,
4890         lang_statement_code_p, lang_expand_function_end): Remove.
4891         * c-common.h: Remove the corresponding declarations.
4892         * c-opts.c (c_common_handle_option): Remove all write access
4893         to explicit_flag_signed_bitfields.
4894
4895         * cgraph.c (cgraph_varpool_n_nodes): Remove.
4896         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
4897         * cgraph.h: Remove the corresponding declaration.
4898
4899         * gcse.c (null_pointer_info): Remove.
4900
4901 2005-01-23  Roger Sayle  <roger@eyesopen.com>
4902             Eric Botcazou  <ebotcazou@libertysurf.fr>
4903
4904         * combine.c (simplify_logical): Only simplify logical expressions
4905         of the form ior(and(x,y),z) by the inverse distributive law if the
4906         result is cheaper than the original.
4907
4908 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
4909
4910         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
4911         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
4912         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
4913         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
4914         config/freebsd-spec.h, config/arm/arm.h,
4915         config/h8300/h8300.md, config/i386/i386.md,
4916         config/i386/predicates.md, config/i386/sse.md,
4917         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
4918         config/vax/vax.md: Fix comment typos.  Follow spelling
4919         conventions.
4920
4921 2005-01-23  Steven Bosscher  <stevenb@suse.de>
4922
4923         * gengtype.c (walk_type): Produce `not equal to' compares for loop
4924         tests, instead of `less than'.
4925
4926 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
4927
4928         * function.c (assign_parm_setup_block): When creating a new stack slot
4929         for a parameter, get its alignment from the parameter's DECL_ALIGN
4930         rather than the type's TYPE_ALIGN.  Make sure that the parameter
4931         is at least word aligned.
4932
4933 2005-01-22  Roger Sayle  <roger@eyesopen.com>
4934
4935         PR middle-end/19378
4936         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
4937
4938 2005-01-22  Richard Henderson  <rth@redhat.com>
4939
4940         PR target/19506
4941         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
4942         in both compare operands.
4943         (movdfcc_1_sse_max): Likewise.
4944         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
4945         (movdfcc_1_sse): Likewise.
4946         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
4947         scratch register as needed.
4948
4949 2005-01-22  Richard Henderson  <rth@redhat.com>
4950
4951         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
4952
4953         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
4954
4955 2005-01-22  Richard Henderson  <rth@redhat.com>
4956
4957         * genopinit.c (optabs): Use smin/smax for floating point too.
4958         * doc/md.texi: Update to match.  Clarify that floating point
4959         results are undefined for +0/-0 and NaN.
4960         * doc/rtl.texi: Likewise.
4961         * rtl.def (SMIN, SMAX): Likewise
4962         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
4963
4964         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
4965         leading 's' to the name.
4966         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
4967         smaxxf3, sminxf3): Likewise.
4968         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
4969         Likewise.
4970
4971 2005-01-22  Paul Brook  <paul@codesourcery.com>
4972
4973         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
4974
4975 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
4976
4977         * config/s390/s390.c (struct processor_costs): New fields
4978         dlgr, dlr, dr, dsgfr, dsgr.
4979         (z900_cost, z990_cost): Values for new fields.
4980         (s390_rtx_costs): New cases MEM und COMPARE in switch
4981         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
4982         DIV, MOD, UDIV, UMOD.
4983
4984 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
4985
4986         * config/s390/s390.md ("doloop_si64"): Reload input value directly
4987         into the register being decremented.
4988         ("doloop_si31", "doloop_di"): Likewise.
4989         ("*doloop_si_long"): Adapt pattern.
4990
4991 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
4992
4993         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
4994         access registers.
4995         (CLASS_MAX_NREGS): Likewise.
4996
4997 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
4998
4999         * doc/tree-ssa.texi (Statement Operands): Add example for new
5000         must-def macro. Note deprecation of old operands interface.
5001
5002 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
5003
5004         PR tree-optimization/19484
5005         * tree-cfg.c (remove_fallthru_edge): New function.
5006         (cleanup_control_flow): Remove fallthru edges from calls that are
5007         now known not to return.
5008
5009 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
5010
5011         Fix PR tree-optimization/19038
5012         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
5013         copies with loop variant ones.
5014
5015 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
5016
5017         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
5018         config/alpha/alpha-protos.h, config/alpha/alpha.h,
5019         config/alpha/alpha.md, config/alpha/predicates.md,
5020         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
5021         config/sparc/sol2.h: Update copyright.
5022
5023         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
5024         first label to see if it is a nonlocal label.
5025
5026 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
5027             Andrew Pinski  <pinskia@physics.uc.edu>
5028
5029         PR target/19491
5030         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
5031         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
5032
5033 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
5034
5035         * config/rs6000/rtems.h: Update copyright.
5036
5037 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
5038
5039         PR target/19548
5040         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
5041         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
5042         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
5043
5044 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5045
5046         PR c/18809
5047         * c-typeck.c (convert_arguments): Check for error_mark_node.
5048
5049 2005-01-21  Ian Lance Taylor  <ian@airs.com>
5050
5051         PR tree-optimization/13000
5052         * tree-inline.c: Include "tree-flow.h".
5053         (expand_call_inline): If warn_return_type, warn if non-void inline
5054         function falls through.
5055         * tree-cfg.c (execute_warn_function_return): Don't warn about
5056         control reaching end if TREE_NO_WARNING is set.  Set
5057         TREE_NO_WARNING.
5058         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
5059         has been lowered.
5060         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
5061         branch if we don't need one.
5062         * c-typeck.c: Include "tree-flow.h"
5063         (c_finish_bc_stmt): Don't add a goto if the current statement
5064         list doesn't fall through to the current point.
5065
5066 2005-01-21  Roger Sayle  <roger@eyesopen.com>
5067
5068         PR rtl-optimization/576
5069         * real.c (real_arithmetic): Change return type from void to bool
5070         to return an indication that the result may be inexact.
5071         * real.h (real_arithmeric): Update prototype.
5072         * fold-const.c (const_binop):  Don't constant fold floating
5073         point expressions when the user specifies -frounding-math and
5074         the result may depend upon the run-time rounding mode.
5075         (fold_convert_const_real_from_real): Clean-up.
5076         (fold_initializer): Ignore flag_rounding_math for initializers.
5077         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
5078         constant fold FP operations with flag_rounding_math if the
5079         result may depend upon the run-time rounding mode.
5080
5081 2005-01-21  Tom Tromey  <tromey@redhat.com>
5082
5083         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
5084
5085 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
5086
5087         * tree-cfg.c: Fix comment typos.
5088
5089 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
5090
5091         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
5092         around the call to rest_of_handle_branch_target_load_optimize.
5093
5094 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
5095
5096         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
5097         (sparc64-*-openbsd*): Likewise.
5098         (sparclite-*-elf*): Include tm-dwarf2.h.
5099         (sparc86x-*-elf*): Likewise.
5100         (sparc64-*-elf*): Likewise.
5101         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
5102         (DBX_DEBUGGING_INFO): Likewise.
5103         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
5104         (PREFERRED_DEBUGGING_TYPE): Likewise.
5105         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
5106         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
5107         (PREFERRED_DEBUGGING_TYPE): Likewise.
5108         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
5109         (PREFERRED_DEBUGGING_TYPE): Likewise.
5110         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
5111
5112 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
5113
5114         PR target/18701
5115         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
5116
5117 2005-01-20  Paul Brook  <paul@codesourcery.com>
5118
5119         * doc/rtl.texi: Document value extension requirements for CONST_INT.
5120
5121 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
5122
5123         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
5124         label is first in a sequence of labels.
5125
5126         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
5127
5128 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
5129             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
5130
5131         * doc/sourcebuild.texi (Test Directives): New.
5132
5133 2005-01-20  Roger Sayle  <roger@eyesopen.com>
5134
5135         * real.c (real_floor): Don't leave the result uninitialized when
5136         mode is VOIDMode, but return the unrounded intermediate value.
5137         (real_ceil): Likewise.
5138
5139 2005-01-20  Paul Brook  <paul@codesourcery.com>
5140
5141         * config/arm/arm.md (insv): Use gen_int_mode.
5142
5143 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
5144
5145         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
5146         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
5147         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
5148         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
5149         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
5150
5151 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
5152
5153         Fix PR debug/19124
5154         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
5155         fbreg, so we have to assume we can't.
5156         (loc_descriptor_from_tree_1): Ditto.
5157         (containing_function_has_frame_base): New function.
5158         (add_location_or_const_value_attribute): Use it.
5159         Also try to generate a frame_base from a single element location
5160         list.
5161
5162 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
5163
5164         PR tree-optimization/15349
5165         * timevar.def (TV_TREE_MERGE_PHI): New.
5166         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
5167         PHI_WANTED.
5168         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
5169         calls to tree_forwarder_block_p.
5170         (remove_forwarder_block_with_phi, merge_phi_nodes,
5171         gate_merge_phi, pass_merge_phi): New.
5172         * tree-optimize.c (init_tree_optimization_passes): Add
5173         pass_merge_phi.
5174         * tree-pass.h: Add an extern for pass_merge_phi;
5175
5176 2005-01-20  Richard Henderson  <rth@redhat.com>
5177
5178         PR target/19418
5179         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
5180         (_mm_castps_pd, _mm_castps_si128): New.
5181         (_mm_castsi128_ps, _mm_castsi128_pd): New.
5182
5183 2005-01-20  Richard Henderson  <rth@redhat.com>
5184
5185         PR target/19530
5186         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
5187         __builtin_ia32_vec_init_v2si.
5188         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
5189         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
5190         (ix86_init_mmx_sse_builtins): Create it.
5191         (ix86_expand_builtin): Expand it.
5192         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
5193         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
5194         (vec_extractv2si_0, vec_extractv2si_1): New.
5195
5196 2005-01-20  Richard Henderson  <rth@redhat.com>
5197
5198         PR target/16533
5199         * config/i386/i386.c (ix86_expand_push): New.
5200         * config/i386/mmx.md (push<MMXMODE>1): New.
5201         * config/i386/sse.md (push<SSEMODE>1): New.
5202         * config/i386/i386-protos.h: Update.
5203
5204 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
5205
5206         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
5207         copyright.
5208
5209 2005-01-20  Richard Henderson  <rth@redhat.com>
5210
5211         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
5212         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
5213
5214 2005-01-19  Richard Henderson  <rth@redhat.com>
5215
5216         PR target/19350
5217         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
5218         to V4SFmode in SSE1 fallback load path.
5219
5220 2005-01-19  Richard Henderson  <rth@redhat.com>
5221
5222         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
5223         in QImode expansion to ix86_expand_vector_set.
5224         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
5225
5226 2005-01-19  Richard Henderson  <rth@redhat.com>
5227
5228         PR target/19511
5229         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
5230         subclass of the input class.
5231         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
5232         Always true for cross-SSE1 classes.  Rationalize conditionals.
5233         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
5234         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
5235         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
5236         (movdi_2): Add MMX/SSE zeros.
5237         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
5238         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
5239         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
5240         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
5241         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
5242         (zero_extendsidi2_rex64_1): Remove.
5243         (MOV0 peephole): Check GENERAL_REG_P.
5244
5245 2005-01-19  Richard Henderson  <rth@redhat.com>
5246
5247         PR target/19427
5248         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
5249         shufps elements.
5250         (ix86_expand_vector_extract): Likewise.
5251
5252 2005-01-19  Richard Henderson  <rth@redhat.com>
5253
5254         PR middle-end/19304
5255         * expr.c (emit_move_change_mode): New argument force; use
5256         simplify_gen_subreg if true.
5257         (emit_move_via_alt_mode): Merge into ...
5258         (emit_move_via_integer): ... here.
5259         (emit_move_ccmode): Use emit_move_change_mode directly.
5260
5261 2005-01-19  Richard Henderson  <rth@redhat.com>
5262
5263         PR target/19518
5264         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
5265         (alpha_preferred_reload_class): Handle CONST_VECTOR.
5266         (alpha_emit_set_const_1): Add no_output parameter; don't emit
5267         rtl if true.
5268         (alpha_emit_set_const): Likewise.  Make static.
5269         (alpha_emit_set_long_const): Make static.
5270         (alpha_extract_integer): Split out from alpha_expand_mov.
5271         (alpha_split_const_mov): Likewise.
5272         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
5273         (alpha_legitimate_constant_p): New.
5274         * config/alpha/alpha-protos.h: Update.
5275         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
5276         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
5277         * config/alpha/alpha.md (movsi): Add n alternative.
5278         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
5279         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
5280         (splitters for all of the above): Use alpha_split_const_mov.
5281         * config/alpha/predicates.md (non_add_const_operand): New.
5282         (non_zero_const_operand): New.
5283         (input_operand): Use alpha_legitimate_constant_p after reload.
5284
5285 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
5286
5287         PR tree-optimization/19038
5288         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
5289         (add_candidate): Add ivs with increment in latch only if
5290         allow_ip_end_pos_p is true.
5291         (determine_iv_cost): Use empty_block_p.
5292
5293 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
5294
5295         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
5296         (compute_dominance_frontiers): Ditto.
5297
5298 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
5299
5300         PR target/19529
5301         * config/sh/t-rtems: New.
5302         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
5303
5304 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
5305
5306         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
5307         the offset of the selected field.
5308
5309 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
5310
5311         * tree-cfg.c (remove_forwarder_block): Fix the check to
5312         prevent a nonlocal label from appearing in the middle of a
5313         basic block.
5314
5315 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
5316
5317         PR rtl-optimization/19462
5318         * reorg.c (find_end_label): Create return insn only if
5319         current_function_epilogue_delay_list is empty.
5320
5321 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
5322
5323         * doc/passes.texi: Remove paragraph mentioning new-ra.
5324
5325 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
5326
5327         PR rtl-optimization/15139
5328         * combine.c: Include params.h.
5329         (count_rtxs): New function.
5330         (record_value_for_reg): If replace_rtx would replace at least
5331         2 occurrences of REG in VALUE and TEM is really large, replace REG with
5332         (clobber (const_int 0)) instead of TEM.
5333         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
5334         * params.h (MAX_LAST_VALUE_RTL): New.
5335         * Makefile.in (combine.o): Depend on $(PARAMS_H).
5336         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
5337
5338         PR c/17297
5339         * c-typeck.c (digest_init): Only call build_vector if all constructor
5340         elements are *_CST nodes.
5341         * gimplify.c (gimplify_init_constructor): Likewise.
5342
5343         PR middle-end/19164
5344         * c-typeck.c (digest_init): Only call build_vector if inside_init
5345         is a CONSTRUCTOR.
5346
5347 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
5348
5349         * toplev.c (init_asm_output): Remove dead #ifdef.
5350
5351 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
5352
5353         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
5354
5355 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
5356
5357         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
5358         accessing DECL_FUNCTION_CODE.
5359         * dojump.c (do_jump): Likewise.
5360         * gimplify.c (gimplify_call_expr): Likewise.
5361         * predict.c (expr_expected_value): Likewise.
5362         (strip_builtin_expect): Likewise.
5363         * tree-inline.c (estimate_num_insns_1): Likewise.
5364         * tree-ssa-loop-im.c (stmt_cost): Likewise
5365         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
5366         (tree_expr_nonnegative_p): Likewise.
5367
5368 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
5369
5370         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
5371         variant of the load_pcrel_sym pattern.
5372         * config/sparc/sparc.md (P macro): Move to the top.
5373         (load_pcrel_sym): Macroize using P.
5374         (save_register_window): Likewise.
5375
5376 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
5377
5378         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
5379         ("sordered"): Same.
5380
5381 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
5382
5383         PR C/19472
5384         * c-typeck.c (build_asm_expr): Strip nops off
5385         input memory operands.
5386
5387 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
5388
5389         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
5390         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
5391         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
5392         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
5393
5394 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
5395
5396         PR target/19379
5397         * config/i386/i386.c (override_options): If the 80387 is disabled,
5398         then do not return FP values using FP registers.
5399
5400 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
5401
5402         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
5403         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
5404         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
5405         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
5406         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
5407         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
5408         output.h, postreload-gcse.c, postreload.c, recog.c,
5409         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
5410         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
5411         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
5412         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
5413         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
5414         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
5415         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
5416         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
5417
5418         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
5419         config/alpha/alpha.c, config/arm/vfp.md,
5420         config/i386/emmintrin.h, config/i386/i386-modes.def,
5421         config/i386/i386-protos.h, config/i386/i386.h,
5422         config/i386/pmmintrin.h, config/i386/ppro.md,
5423         config/i386/predicates.md, config/i386/xmmintrin.h,
5424         config/i860/i860.c, config/ia64/ia64-modes.def,
5425         config/ia64/ia64-protos.h, config/ia64/ia64.h,
5426         config/ia64/ia64.md, config/ia64/itanium1.md,
5427         config/ia64/itanium2.md, config/ia64/predicates.md,
5428         config/iq2000/iq2000.h, config/mips/linux64.h,
5429         config/rs6000/aix41.h, config/rs6000/aix43.h,
5430         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
5431         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
5432         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
5433         config/sparc/linux64.h, config/sparc/litecoff.h,
5434         config/sparc/sp64-elf.h, config/sparc/sparc.c,
5435         config/sparc/sparc.h, config/sparc/sparc.md,
5436         config/sparc/sysv4-only.h: Update copyright.
5437
5438 2005-01-18  Richard Henderson  <rth@redhat.com>
5439
5440         PR target/19496
5441         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
5442
5443 2005-01-18  Marc Espie  <espie@openbsd.org>
5444         * config/i386/openbsdelf.h: Typo.
5445
5446 2005-01-18  Richard Henderson  <rth@redhat.com>
5447
5448         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
5449         special case for sse.
5450         * config/i386/predicates.md (sse_comparison_operator): Likewise.
5451
5452 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
5453
5454         * tree-inline.c (estimate_num_insns_1): Added cases for
5455         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
5456
5457 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
5458
5459         PR rtl-optimization/19296
5460         * combine.c (simplify_comparison): Rewrite the condition under
5461         which a non-paradoxical SUBREG of a PLUS can be lifted when
5462         compared against a constant.
5463
5464 2005-01-18  Andi Kleen <ak@muc.de>
5465
5466         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
5467         * c.opt (-Wpointer-sign): Add.
5468         * doc/invoke.texi: (-Wpointer-sign): Add.
5469
5470 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
5471
5472         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
5473         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
5474         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
5475         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
5476         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
5477         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
5478         for TARGET_MIX_SSE_I387.
5479         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
5480         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
5481         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
5482         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
5483         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
5484         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
5485         TARGET_MIX_SSE_I387.
5486         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
5487         from expander.
5488
5489 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
5490
5491         PR target/19424
5492         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
5493         Add movaps alternative for xmm reg->reg move.
5494
5495 2005-01-17  Jeff Law  <law@redhat.com>
5496
5497         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
5498         at the end of the main DOM loop rather than just before DOM exits.
5499
5500 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
5501
5502         PR tree-optimization/19121
5503         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
5504         adding aliases to a name tag, also add them to the pointer's
5505         type tag.
5506         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
5507         sensitive alias info at all.  Only check that the two pointers
5508         have compatible pointed-to sets.
5509         * tree-ssa.c (verify_name_tags): Verify that the alias set of
5510         a pointer's type tag is a superset of the alias set of the
5511         pointer's name tag.
5512
5513 2005-01-17  James E Wilson  <wilson@specifixinc.com>
5514
5515         PR target/19357
5516         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
5517         comment to document why.
5518
5519 2005-01-17  Richard Henderson  <rth@redhat.com>
5520
5521         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
5522         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
5523         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
5524         sse2_vmsminv2df3_finite): New.
5525         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
5526         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
5527         Force op1 into register.
5528
5529 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
5530
5531         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
5532         bubblestrap from always rebuilding build directory.
5533
5534 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
5535
5536         * config/s390/s390.md ("*clc"): Remove incorrect '='.
5537         ("*cmpmem_short"): Likewise.
5538
5539 2005-01-17  Steven Bosscher  <stevenb@suse.de>
5540
5541         * basic-block.h: Document BB_* flags.
5542         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
5543         use an sbitmap instead.
5544         * sched-rgn.c (compute_trg_info): Likewise.
5545
5546 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
5547
5548         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
5549         redundant target_cpu_default and extra_parts lines.  Use the default
5550         "from-abi" ISA.
5551         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
5552         (SUBTARGET_EXTRA_SPECS): Delete.
5553         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
5554         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
5555         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
5556         and "n32" for -mabi=n32.
5557
5558 2005-01-17  Ian Lance Taylor  <ian@airs.com>
5559
5560         PR c/5675
5561         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
5562         fold constant variables into initial values.
5563
5564 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
5565
5566         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
5567
5568         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
5569         through the statements backward.
5570
5571 2005-01-17  Ian Lance Taylor  <ian@airs.com>
5572
5573         PR middle-end/13127:
5574         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
5575         a variable set to the return value of the inlined function.
5576
5577 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
5578
5579         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
5580         when modes are tieable.
5581
5582 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
5583
5584         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
5585         of pthread_create to find out if threads are enabled.
5586         * gthr-posix95.h (__gthread_active_p): Likewise.
5587
5588 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
5589
5590         * common.opt (-fnew-ra): Remove.
5591         * ra*.*: Remove.
5592         * toplev.h (flag_new_regalloc): Remove.
5593         * Makefile.in (ra*.*): Don't mention.
5594         * passes.c (rest_of_handle_new_regalloc): Remove.
5595         (rest_of_handle_combine, rest_of_compilation): Always consider
5596         flag_new_regalloc as false.
5597         * doc/invoke.texi: Don't document -fnew-ra.
5598
5599 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
5600
5601         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
5602         last parameter to reg_scan.
5603         * loop.c (loop_optimize): Likewise.
5604         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
5605         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
5606         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
5607         rest_of_handle_gcse, rest_of_handle_loop_optimize,
5608         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
5609         * regclass.c (reg_scan): Likewise, for the declaration.
5610         * rtl.h (reg_scan): Likewise, for the prototype.
5611
5612 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
5613
5614         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
5615         mark_dfs_back_edges.
5616
5617 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
5618
5619         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
5620         (compute_avail): Uses don't go in tmp_gen.
5621
5622 2005-01-16  Steven Bosscher  <stevenb@suse.de>
5623
5624         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
5625         loop to look for a free slot in a page entry.
5626
5627 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5628
5629         PR target/16304
5630         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
5631         * toplev.c (compile_file): Call process_pending_assemble_output_defs
5632         just before targetm.asm_out.file_end.
5633         * tree.h (process_pending_assemble_output_defs): Declare.
5634         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
5635         New functions.
5636         (assemble_alias): Defer generation of assembly code for defines when
5637         TARGET_DEFERRED_OUTPUT_DEFS is true.
5638         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
5639         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
5640         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
5641
5642 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5643
5644         PR target/19336
5645         * pa.c (pa_scalar_mode_supported_p): New function.
5646         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
5647         * pa.h (MIN_UNITS_PER_WORD): Add comment.
5648
5649         * pa-protos.h (prefetch_operand): Delete.
5650         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
5651         * pa.c (prefetch_operand): Delete.
5652         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
5653         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
5654         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
5655         and prefetch_nocc_operand.
5656         * pa.md (prefetch): Rework to avoid reload problems handling short
5657         displacements when a cache control completer needs to be provided.
5658         (prefetch_32, prefetch_64): Delete.
5659         (prefetch_cc, prefetch_nocc): New patterns.
5660
5661 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
5662
5663         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
5664
5665 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5666
5667         PR ada/19388
5668         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
5669         exceeds maximum alignment for global common data.
5670         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
5671         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
5672
5673 2004-01-15  Roger Sayle  <roger@eyesopen.com>
5674
5675         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
5676
5677 2004-01-15  Roger Sayle  <roger@eyesopen.com>
5678
5679         * harg-reg-set.h (reg_class_names): Prototype global array.
5680         * regclass.c (reg_class_names): Declare here and initialize to
5681         REG_CLASS_NAMES.
5682         (dump_regclass): Remove local declaration of reg_class_names.
5683         (regclass): Likewise.
5684         * cfg.c (dump_flow_info): Likewise.
5685         * ra-debug.c (reg_class_names): Likewise.
5686         * regrename.c (reg_class_names): Likewise.
5687         * reload.c (reg_class_names): Likewise.
5688         * reload1.c (spill_failure): Likewise.
5689         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
5690
5691 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
5692
5693         * config/s390/s390.md ("reload_outti"): Remove predicate for
5694         output operand.  Abort if operand is not a MEM.
5695         ("reload_outdi", "reload_outdf"): Likewise.
5696
5697 2005-01-15  Marc Espie  <espie@openbsd.org>
5698
5699         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
5700         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
5701         * config/openbsd.h:  Fix C++ includes for native configurations.
5702         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
5703         Add trampoline support.
5704         * config/i386/openbsdelf.h: New.
5705
5706 2005-01-15  Marc Espie  <espie@openbsd.org>
5707
5708         * collect2.c (main): Explicitly parse -dynamic-linker option.
5709
5710 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
5711
5712         PR tree-optimization/19060
5713         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
5714         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
5715         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
5716         and handle extract_range_from_cond returning false.
5717         * fold-const.c (fold): Optimize comparisons with min/max even for
5718         width > HOST_BITS_PER_WIDE_INT.
5719
5720 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
5721
5722         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
5723         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
5724         Remove little endian multilib variants.
5725         Add mips32 multilib variant.
5726
5727 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
5728
5729         * explow.c (copy_all_reg, stabilize): Remove.
5730         * expr.h: Remove the corresponding prototypes.
5731
5732         * rtlanal.c (regs_set_between_p): Remove.
5733         * rtl.h: Remove the corresponding prototype.
5734
5735 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
5736
5737         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
5738         to rs6000_nonimmediate_operand.
5739         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
5740         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
5741         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
5742         rs6000_nonimmediate_operand.
5743         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
5744         rs6000_nonimmediate_operand.
5745
5746 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
5747
5748         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
5749
5750 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
5751
5752         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
5753         on e500v2.
5754         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
5755         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
5756
5757         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
5758         (rs6k_nonimmediate_operand): New.
5759         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
5760         correctly.
5761         (legitimate_lo_sum_address_p): Same.
5762         (rs6000_legitimize_address): Same.
5763         (rs6000_legitimize_reload_address): Same.
5764         (rs6000_legitimate_address): Same.
5765         (spe_build_register_parallel): Pass DF and DC modes in a DI
5766         register.
5767
5768         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
5769         to rs6k_nonimmediate_operand.
5770
5771         * config/rs6000/spe.md ("*frob_df_di"): New.
5772         ("*frob_di_df"): New.
5773         ("*frob_di_df_2"): New.
5774         ("*mov_sidf_e500_subreg0"): New.
5775         ("*mov_sidf_e500_subreg4"): New.
5776         ("*movdf_e500_double"): Change predicate to
5777         rs6k_nonimmediate_operand.
5778
5779 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
5780
5781         * postreload.c (move2add_note_store): Only call
5782         trunc_int_for_mode on scalar integers.
5783
5784 2005-01-14  Steven Bosscher  <stevenb@suse.de>
5785
5786         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
5787         replace BB_VISITED uses.
5788         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
5789         (propagate_necessity): Check the bitmap instead of BB_VISITED.
5790         (tree_dce_done): Free visited_control_parents.
5791         (perform_tree_ssa_dce): Allocate and clear it.
5792         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
5793         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
5794         instead of BB_VISITED.
5795
5796 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
5797
5798         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
5799         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
5800         Remove unused prototypes.
5801
5802 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
5803
5804         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
5805         64-bit register usage.
5806         (spe_func_has_64bit_regs_p): Add FIXME note.
5807
5808 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
5809
5810         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
5811         flag_finite_math_only with flag_unsafe_math_optimizations.
5812
5813 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
5814
5815         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
5816         end-of-stack check.
5817         (__tpf_eh_return): Copy TPF private stack area from the module
5818         boundary stack frame.  Add check for when module addresses are
5819         equal, but no stub address is found.
5820
5821 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
5822
5823         PR target/7525
5824         * arm.h (struct machine_function): Add call_via field.
5825         (thumb_call_via_label): Declare.
5826         * arm.c (thumb_call_via_label): New variable.
5827         (thumb_call_reg_needed): New variable.
5828         (arm_output_function_epilogue): For Thumb code, output any per-function
5829         call-indirect trampolines.
5830         (thumb_call_via_reg): New function.
5831         (arm_file_end): New function.
5832         (TARGET_ASM_FILE_END): Call arm_file_end.
5833         (aof_file_end): Likewise.
5834         * arm-protos.h (thumb_call_via_reg): Declare.
5835         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
5836         thumb_call_via_reg in normal case.
5837
5838 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
5839
5840         PR middle-end/19084
5841         PR rtl-optimization/19348
5842         * recog.c (peephole2_optimize): Do global life update if some peephole
5843         decides it doesn't need at least one of its inputs and that change
5844         influences liveness at the start of the basic block.
5845
5846         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
5847         arguments instead of 1.
5848
5849 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
5850
5851         PR middle-end/18820
5852         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
5853         zero for nested functions needing a static chain or functions
5854         with a non-constant address.
5855
5856 2005-01-13  Roger Sayle  <roger@eyesopen.com>
5857
5858         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
5859         (and (sign_extend X) C) into (zero_extend (and X C)).
5860
5861 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
5862
5863         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
5864
5865 2005-01-13  Richard Henderson  <rth@redhat.com>
5866
5867         PR target/19009
5868         PR target/19250
5869         PR target/19252
5870         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
5871         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
5872         not just TARGET_SSE.
5873         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
5874         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
5875         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
5876         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
5877         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
5878         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
5879         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
5880         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
5881         (movdicc_c_rex64): Rename with '*'.
5882         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
5883         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
5884         (movsfcc_1_387): Rename from movsfcc_1.
5885         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
5886         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
5887         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
5888         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
5889         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
5890         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
5891         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
5892         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
5893         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
5894         sse_movdfcc_const0_4): Remove.
5895         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
5896         recognize min/max early.  Update for changed sse cmove patterns.
5897         (ix86_split_sse_movcc): New.
5898         * config/i386/i386-protos.h: Update.
5899
5900 2005-01-13  Steven Bosscher  <stevenb@suse.de>
5901
5902         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
5903         (fix_stmt_v_may_defs): Likewise.
5904
5905 2005-01-13  Richard Henderson  <rth@redhat.com>
5906
5907         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
5908         for converting the mask.
5909
5910 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
5911
5912         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
5913         definition to 600.
5914
5915 2005-01-13  Richard Henderson  <rth@redhat.com>
5916
5917         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
5918         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
5919         IX86_BUILTIN_MOVDQ2Q): Remove.
5920         (IX86_BUILTIN_VEC_EXT_V4SI): New.
5921         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
5922         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
5923         shuffling.
5924         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
5925         (sse2_pextrw): Fix immediate constraint.
5926         (sse2_loadq, sse2_loadq_rex64): Remove.
5927         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
5928         Use __builtin_ia32_vec_ext_<size>.
5929         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
5930
5931 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
5932
5933         * function.c (assign_parm_setup_block): Look inside original
5934         entry_parm when inspecting PARALLEL.
5935
5936 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
5937             Joel Sherrill  <joel@oarcorp.com>
5938
5939         PR target/19399
5940         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
5941         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
5942         rtems_gxx_recursive_mutex_init.
5943         (__gthread_recursive_mutex_lock): New function.
5944         (__gthread_recursive_mutex_trylock): Likewise.
5945         (__gthread_recursive_mutex_unlock): Likewise.
5946
5947 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
5948
5949         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
5950
5951 2005-01-13  Jan Beulich  <jbeulich@novell.com>
5952
5953         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
5954         (ashrti3_internal): Indicate output is early clobber. Generate result
5955         into output rather than first input. Use move for low word of output
5956         if shift count is exactly 64.
5957         (lshrti3_internal): Likewise.
5958
5959 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
5960
5961         PR target/18329
5962         PR target/18330
5963         * reload1.c (delete_output_reload): Don't delete an output reload
5964         if the pseudo lives longer than a single basic block.  Adjust and
5965         improve wording of comment.
5966
5967 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
5968
5969         PR target/19334
5970         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
5971         of TYPE_SIZE where we mean the number of bytes.
5972
5973 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
5974
5975         * function.c (assign_parm_setup_block): Relax condition on
5976         multi-register optimization.
5977
5978 2005-01-12  Nick Clifton  <nickc@redhat.com>
5979
5980         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
5981         an "in_delay_slot" attribute of "no" to prevent them being used in
5982         delay slots.  This is forbidden because they might generate
5983         exceptions.
5984
5985 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
5986
5987         PR target/19389
5988         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
5989         with r->Y and Y->r.
5990
5991 2005-01-12  Nick Clifton  <nickc@redhat.com>
5992
5993         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
5994         passed on to GAS) but do not define, as GAS no longer supports or
5995         needs the -m2000 option.
5996
5997 2005-01-11  Roger Sayle  <roger@eyesopen.com>
5998
5999         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
6000         type as args of unprototyped builtins aren't automatically promoted.
6001         (fold_builtin_abs): Likewise.
6002
6003 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6004
6005         * Makefile.in: Set a `build-warn' variable.
6006
6007 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
6008
6009         PR tree-optimization/17949
6010         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
6011         (find_interesting_uses_address): Use it.
6012
6013 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
6014
6015         * regrename.c (kill_value): Handle subreg's that won't simplify.
6016
6017 2005-01-11  Richard Henderson  <rth@redhat.com>
6018
6019         PR target/13366
6020         * config/i386/i386.h (enum ix86_builtins): Move ...
6021         * config/i386/i386.c: ... here.
6022         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
6023         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
6024         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
6025         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
6026         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
6027         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
6028         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
6029         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
6030         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
6031         IX86_BUILTIN_LOADDDUP): Remove.
6032         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
6033         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
6034         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
6035         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
6036         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
6037         (ix86_init_builtins): Make static.
6038         (ix86_init_mmx_sse_builtins): Update for changed builtins.
6039         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
6040         if all the modes match.  Otherwise, fake it.
6041         (get_element_number, ix86_expand_vec_init_builtin,
6042         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
6043         (ix86_expand_builtin): Make static.  Update for changed builtins.
6044         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
6045         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
6046         (ix86_expand_vector_init_duplicate): New.
6047         (ix86_expand_vector_init_low_nonzero): New.
6048         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
6049         Split out from ix86_expand_vector_init; handle integer modes.
6050         (ix86_expand_vector_init): Use them.
6051         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
6052         * config/i386/i386-protos.h: Update.
6053         * config/i386/predicates.md (reg_or_0_operand): New.
6054         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
6055         (movv2sf_internal): Likewise.  And a splitter to match them all.
6056         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
6057         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
6058         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
6059         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
6060         (mmx_pinsrw): Fix operand ordering.
6061         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
6062         rather than sse_loadss expander.
6063         (movv2df splitter): Similarly.
6064         (sse_loadss, sse_loadlss): Remove.
6065         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
6066         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
6067         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
6068         (sse3_movddup): Rename with '*'.
6069         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
6070         (sse2_loadsd): Remove.
6071         (vec_dupv2df_sse3): Rename from sse3_loadddup.
6072         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
6073         (sse2_pinsrw): Fix argument ordering.
6074         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
6075         (sse2_stored): Remove 'r' destination.
6076         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
6077         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
6078         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
6079         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
6080         vec_extractv16qi, vec_initv16qi): New.
6081
6082         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
6083         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
6084         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
6085         constructor form.
6086         (_mm_load_pd, _mm_store_pd): Use plain dereference.
6087         (_mm_load_si128, _mm_store_si128): Likewise.
6088         (_mm_load1_pd): Use _mm_set1_pd.
6089         (_mm_load_sd): Use _mm_set_sd.
6090         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
6091         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
6092         (_mm_set_epi64): Use _mm_set_epi64x.
6093         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
6094         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
6095         _mm_setr_epi8): Use _mm_set_foo form.
6096         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
6097         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
6098         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
6099         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
6100         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
6101         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
6102         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
6103         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
6104         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
6105         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
6106         (_mm_movedup_pd): Use _mm_shuffle_pd.
6107         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
6108         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
6109         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
6110         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
6111         Use _mm_setzero_ps.
6112         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
6113         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
6114         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
6115         (_mm_store_ps): Use raw dereference.
6116         (_mm_store1_ps): Use _mm_storeu_ps.
6117         (_mm_storer_ps): Use _mm_store_ps.
6118         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
6119         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
6120
6121 2005-01-11  Stan Shebs  <shebs@apple.com>
6122
6123         * config/rs6000/rs6000.c (machopic_output_stub): Issue
6124         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
6125
6126 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
6127
6128         PR target/18761
6129         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
6130         Skip all DECLs except for FIELD_DECLs.
6131
6132 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
6133
6134         * config/s390/s390.c (override_options): Return error if
6135         -mbackchain, -mpacked-stack and -mhard-float are used together.
6136         (s390_va_start): Remove the backchain && packed-stack special case.
6137         (s390_gimplify_va_arg): Likewise.
6138         * doc/invoke.texi: Remove the ABI incompatibility note.
6139
6140 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
6141
6142         * config/s390/s390.c (struct s390_frame_layout): Remove
6143         save_backchain_p.
6144         (s390_frame_info, s390_emit_prologue): Replace occurrences of
6145         save_backchain_p with TARGET_BACKCHAIN.
6146
6147 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
6148
6149         PR target/18916
6150         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
6151         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
6152         * function.c (locate_and_pad_parm): Set new field.
6153         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
6154         Tweak where_pad test to include "none".  Always set mem align for
6155         stack_parm.
6156         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
6157         not sufficient for type.
6158         (assign_parm_setup_block): If stack_parm is zero on entry, always
6159         make a new stack local.  Block move old stack parm if necessary
6160         to new aligned stack local.
6161         (assign_parm_setup_stack): Use a block move to handle
6162         potentially misaligned entry_parm.
6163         (assign_parms_unsplit_complex): Specify required alignment when
6164         creating stack local.
6165         * calls.c (compute_argument_addresses): Override alignment of stack
6166         arg calculated from its type with the alignment given by
6167         FUNCTION_ARG_BOUNDARY.
6168         (store_one_arg): Likewise.
6169
6170 2005-01-11  Jan Beulich  <jbeulich@novell.com>
6171
6172         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
6173         Change respective itanium_class attribute to ialu.
6174         (shladdp4_internal): New.
6175         * config/ia64/predicates.md (shladd_log2_operand): New.
6176
6177 2005-01-11  Richard Henderson  <rth@redhat.com>
6178
6179         * expr.c (store_constructor): Use rtvec_alloc instead of
6180         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
6181
6182 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
6183
6184         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
6185
6186 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
6187
6188         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
6189         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
6190         (TARGET_RWRELOC): Define.
6191         (ia64_rwreloc_section_type_flags): Delete.
6192         (ia64_section_type_flags): New function.
6193         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
6194         (TARGET_RWRELOC): Define.
6195
6196 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
6197
6198         PR target/18987
6199         * config/ia64/ia64.c (process_set): For alloc insn, only call
6200         process_epilogue is !frame_pointer_needed.
6201
6202 2005-01-10  Roger Sayle  <roger@eyesopen.com>
6203
6204         PR c++/19355
6205         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
6206         unary operator and can't be treated as a binary/comparison operator.
6207
6208 2005-01-10  Richard Henderson  <rth@redhat.com>
6209
6210         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
6211         (ix86_return_in_memory): Likewise.
6212         (function_arg_advance):  Likewise.  Mirror structure in function_arg
6213         for choosing register to advance.
6214
6215 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
6216
6217         * tree-vectorizer.c, tree.def: Fix comment typos.
6218
6219 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
6220
6221         * config/s390/s390.c (struct processor_costs): 4 new fields:
6222         ddbr, ddr, debr, der.
6223         (s390_rtx_costs): More precise handling of divide instructions.
6224
6225 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
6226
6227         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
6228
6229 2005-01-10  Jan Beulich  <jbeulich@novell.com>
6230
6231         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
6232         names resulting from -ffunction-sections/-fdata-sections and linkonce
6233         ones.
6234         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
6235         based on the section name. Rearrange the section name comparison logic
6236         slightly so that each section name is compared against at most once.
6237
6238 2005-01-10  Ben Elliston  <bje@au.ibm.com>
6239
6240         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
6241         targets for which -fPIC reduces limitations on the GOT size.
6242
6243 2005-01-09  Falk Hueffner  <falk@debian.org>
6244
6245         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
6246         X/C1 cmpop C2.
6247
6248 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
6249
6250         PR target/18720
6251         * collect2.c (main): Set aixrtl_flag for -brtl option.
6252         (resolve_lib_name): Search for .so file extension before .a
6253         if aixrtl_flag set.
6254
6255 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
6256
6257         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
6258         (vect_analyze_data_refs_alignment): Add dump prints.
6259
6260 2005-01-09  Ira Rosen  <irar@il.ibm.com>
6261
6262         * tree-vectorizer.c (vect_analyze_offset_expr): Use
6263         expr_invariant_in_loop_p.
6264         Initialize outputs first thing in the function.
6265         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
6266         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
6267         (vect_analyze_pointer_ref_access): Check that the initial condition of
6268         the access function is loop invariant.
6269
6270 2005-01-09  Richard Henderson  <rth@redhat.com>
6271
6272         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
6273         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
6274         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
6275         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
6276         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
6277         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
6278         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
6279         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
6280         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
6281         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
6282         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
6283         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
6284         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
6285         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
6286         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
6287         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
6288         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
6289         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
6290         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
6291         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
6292         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
6293         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
6294         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
6295         mmx_ prefix.
6296         (mmx_clrdi, pavgusb): Remove.
6297         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
6298         with leading sse_ prefix.
6299         * config/i386/sse.md: Receive them.
6300         * config/i386/mmx.md: New file.
6301         (MMXMODE12, MMXMODE24, mmxvecsize): New.
6302         (subrv2sf3): Turn into expander for normal subtraction.
6303         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
6304         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
6305         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
6306         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
6307         commutative; use ix86_binary_operator_ok.
6308         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
6309         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
6310         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
6311         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
6312         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
6313         Macroize from existing patterns; use ix86_binary_operator_ok.
6314         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
6315         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
6316         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
6317         with vec_select+vec_concat.
6318         (mmx_pshufw, mmx_pshufw_1): Likewise.
6319         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
6320         (mmx_uavgv4hi3): Model correctly.
6321         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
6322         _mm_xor_si64): Remove casts.
6323
6324 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
6325
6326         PR tree-optimization/19224
6327         * tree-scalar-evolution.c (get_instantiated_value,
6328         set_instantiated_value): New functions.
6329         (instantiate_parameters_1): Cache the results.
6330         (instantiate_parameters, resolve_mixers): Initialize and free
6331         the cache.
6332
6333 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
6334
6335         * config/i386/i386.md (addhi_4): Correct reference in comment.
6336         (addqi_4): Same.
6337
6338 2005-01-08  Richard Henderson  <rth@redhat.com>
6339
6340         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
6341         (_mm_cvtsi128_si64x): Likewise.
6342         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
6343         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
6344         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
6345         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
6346         * config/i386/i386-protos.h: Update.
6347         * config/i386/i386.c (print_operand): Add 'H'.
6348         (ix86_fixup_binary_operands): Split out from ...
6349         (ix86_expand_binary_operator): ... here.
6350         (ix86_fixup_binary_operands_no_copy): New.
6351         (ix86_expand_fp_absneg_operator): Handle vector mode results.
6352         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
6353         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
6354         (safe_vector_operand): Use CONST0_RTX.
6355         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
6356         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
6357         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
6358         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
6359         special cases.
6360         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
6361         (IX86_BUILTIN_CMPNGESS): New.
6362         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
6363         (attr type): Add sselog1.
6364         (attr unit, attr memory): Handle it.
6365         (movti, movti_internal, movti_rex64): Move near other integer moves.
6366         (movtf, movtf_internal): Move near other fp moves.
6367         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
6368         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
6369         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
6370         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
6371         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
6372         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
6373         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
6374         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
6375         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
6376         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
6377         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
6378         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
6379         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
6380         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
6381         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
6382         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
6383         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
6384         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
6385         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
6386         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
6387         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
6388         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
6389         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
6390         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
6391         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
6392         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
6393         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
6394         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
6395         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
6396         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
6397         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
6398         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
6399         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
6400         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
6401         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
6402         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
6403         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
6404         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
6405         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
6406         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
6407         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
6408         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
6409         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
6410         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
6411         same time.
6412         (SSEPUSH, push<SSEPUSH>): Remove.
6413         (MMXPUSH, push<MMXPUSH>): Remove.
6414         (sse_movaps, sse_movaps_1, sse_movups): Remove.
6415         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
6416         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
6417         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
6418         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
6419         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
6420         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
6421         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
6422         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
6423         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
6424         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
6425         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
6426         (ppro_sse_log_V4SF): Handle sselog1.
6427         * config/i386/predicates.md (const_0_to_1_operand): New.
6428         (const_0_to_255_mul_8_operand): New.
6429         (const_1_to_31_operand): Rename from const_int_1_31_operand.
6430         (const_2_to_3_operand, const_4_to_7_operand): New.
6431         * config/i386/sse.md: New file.
6432         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
6433         (sse_movups): Rename from sse_movups_1.
6434         (sse_loadlss): Rename from sse_loadss_1.
6435         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
6436         from the name.
6437         (negv4sf2): Use ix86_expand_fp_absneg_operator.
6438         (absv4sf2, negv2df, absv2df): New.
6439         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
6440         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
6441         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
6442         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
6443         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
6444         (sse3_addsubv4sf3): Model correctly.
6445         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
6446         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
6447         (sse_movhlps): Model with vec_select+vec_concat.
6448         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
6449         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
6450         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
6451         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
6452         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
6453         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
6454         sse2_pshufhw_1): Likewise.
6455         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
6456         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
6457         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
6458         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
6459         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
6460         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
6461         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
6462         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
6463         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
6464         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
6465         sminv8hi3): Mark commutative
6466         operands.  Use ix86_binary_operator_ok.
6467         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
6468         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
6469         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
6470         sse2_punpcklqdq): Allow operand2 in memory.
6471         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
6472         sse2_movsd): Add memory alternatives.
6473         (sse_storelps): Turn expander into an insn; split after reload.
6474         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
6475         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
6476
6477 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
6478
6479         * configure.ac (DWARF-2 debug_line): Use objdump.
6480         * configure: Regenerate.
6481
6482 2005-01-08  Jeff Law  <law@redhat.com>
6483             Diego Novillo  <dnovillo@redhat.com>
6484
6485         PR tree-optimization/18241
6486         * tree-nrv.c (tree_nrv): Ignore volatile return values.
6487         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
6488         statements with volatile operands.
6489         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
6490         operands after marking a statement with has_volatile_ops.
6491
6492 2005-01-08  Roger Sayle  <roger@eyesopen.com>
6493
6494         * tree.c (int_fits_type_p): Always honor integer constant
6495         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
6496
6497 2005-01-08  Roger Sayle  <roger@eyesopen.com>
6498
6499         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
6500         the latent bug in rtl_delete_block has been resolved.
6501
6502 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
6503
6504         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
6505         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
6506
6507 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
6508
6509         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
6510         library as @multilib_dir@/$(SHLIB_SONAME).
6511
6512 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
6513
6514         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
6515         * configure: Regenerate.
6516
6517 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
6518
6519         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
6520         TYPE_MODE.
6521
6522 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
6523
6524         PR target/13674
6525         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
6526         Convert non-word aligned offset address using ld/std into
6527         indirect address.
6528
6529 2005-01-07  Richard Henderson  <rth@redhat.com>
6530
6531         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
6532
6533 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
6534
6535         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
6536
6537 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
6538
6539         PR tree-optimization/19283
6540         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
6541         is not shorter than the original type.
6542
6543         PR rtl-optimization/19012
6544         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
6545
6546         PR rtl-optimization/18861
6547         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
6548         (FULL_STATE): Define.
6549         (mark_tablejump_edge): New function.
6550         (purge_dead_tablejump_edges): New function.
6551         (find_bb_boundaries): Use it.
6552
6553         PR tree-optimization/18828
6554         * builtins.c (expand_builtin_next_arg): Remove argument and all
6555         the argument checking.
6556         (expand_builtin): Adjust caller.
6557         (expand_builtin_va_start): Likewise.  Remove error for too many
6558         arguments.
6559         (fold_builtin_next_arg): Issue error for too many arguments.
6560         After checking arguments, replace them with magic arguments that
6561         prevent further checking of the args.
6562
6563 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6564
6565         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
6566
6567 2005-01-06  Roger Sayle  <roger@eyesopen.com>
6568
6569         PR target/6077
6570         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
6571         and %{.S:...} (and their negative variants) to test whether the
6572         input file is assembler or pre-processed-assembler independent of
6573         the actual filename extension.
6574
6575 2005-01-06  Roger Sayle  <roger@eyesopen.com>
6576
6577         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
6578         of sign or zero extended values.
6579
6580 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
6581
6582         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
6583         for IBM long double format correctly.
6584
6585 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
6586
6587         Fix PR tree-optimization/18792
6588
6589         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
6590         to first_loop_depth, and use loop depth instead of loop number.
6591         (build_classic_dir_vector): Ditto.
6592         (compute_data_dependences_for_loop): Use depth, not loop number.
6593         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
6594         number. Pass in loops, instead of loop numbers.
6595         (gather_interchange_stats): Ditto.
6596         (linear_transform_loops): Ditto.
6597
6598 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
6599
6600         PR rtl-opt/13299
6601         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
6602         biv_fits_mode_p, extension_within_bounds_p): New functions.
6603         (check_ext_dependent_givs): Use them.
6604
6605 2005-01-06  Roger Sayle  <roger@eyesopen.com>
6606
6607         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
6608         more than one barrier, in which case we should delete them all.
6609
6610 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
6611
6612         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
6613
6614 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
6615
6616         Fix PR middle-end/19286
6617         Fix PR debug/19267
6618         * dwarf2out.c (gen_subprogram_die): If we've already tried to
6619         output this subprogram, simply ignore this attempt to do it again.
6620         (add_abstract_origin_attribute): Don't abort trying to add the abstract
6621         origin attribute if it's not possible.
6622         (gen_block_die): Don't ignore subblocks of "unused" blocks.
6623         (decls_for_scope): Ditto.
6624         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
6625         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
6626
6627 2005-01-05  Richard Henderson  <rth@redhat.com>
6628
6629         PR target/11327
6630         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
6631         (bdesc_2arg): Use it.
6632         (ix86_expand_binop_builtin): Force operands into registers
6633         when optimizing.
6634         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
6635         ix86_expand_sse_compare, ix86_expand_sse_comi,
6636         ix86_expand_builtin): Likewise.
6637
6638 2005-01-05  Richard Henderson  <rth@redhat.com>
6639
6640         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
6641         and VEC_SELECT.
6642         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
6643         (mulv4hi3): Set itanium_class mmmul.
6644         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
6645         (fpack): Rename from fpack_sfsf.
6646
6647 2005-01-05  Richard Henderson  <rth@redhat.com>
6648
6649         PR rtl-opt/10692
6650         * reload1.c (do_input_reload): Restrict the optimization deleteing
6651         a previous output reload to RELOAD_FOR_INPUT.
6652
6653 2005-01-05  Steven Bosscher  <stevenb@suse.de>
6654
6655         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
6656         comment that we fall through after case.
6657         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
6658         (distribute_links): Likewise.
6659         * cse.c (cse_insn): Likewise.
6660         * cselib.c (cselib_invalidate_mem): Likewise.
6661         * df.c: Update comments at the top of the file.
6662         (read_modify_subreg_p): Update comments here too.
6663         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
6664         * flow.c (mark_set_1): Likewise.
6665         (mark_used_regs): Likewise.
6666         * gcse.c (mems_conflict_for_gcse_p): Likewise.
6667         (canon_list_insert): Likewise.
6668         (mark_set): Likewise.
6669         (try_replace_reg): Likewise.
6670         (store_killed_in_insn): Likewise.
6671         * loop.c (count_one_set): Likewise.
6672         (basic_induction_var): Likewise.
6673         * postreload-gcse.c (find_mem_conflicts): Likewise.
6674         * postreload.c (reload_combine_note_store): Likewise.
6675         (move2add_note_store): Likewise.
6676         * reload.c (find_equiv_reg): Likewise.
6677         (mark_referenced_resources): Likewise.
6678         * rtlanal.c (set_noop_p): Likewise.
6679         (note_stores): Likewise.
6680         (note_uses): Likewise.
6681         * sched-deps.c (sched_analyze_1): Likewise.
6682         * sched-rgn.c (check_live_1): Likewise.
6683         (update_live_1): Likewise.
6684         * config/i860/i860.c: Likewise.
6685
6686         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
6687         an lvalue.
6688         (ZERO_EXTRACT): Mention that this one can be an lvalue.
6689
6690         * doc/rtl.texi: Update documentation for bit-fields and SET.
6691
6692 2005-01-05  Roger Sayle  <roger@eyesopen.com>
6693
6694         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
6695
6696 2005-01-05  Jan Hubicka  <jh@suse.cz>
6697             Richard Henderson  <rth@redhat.com>
6698
6699         PR target/18910
6700         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
6701         with an offset.
6702
6703 2005-01-05  Richard Henderson  <rth@redhat.com>
6704
6705         PR target/12902
6706         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
6707         (sse_shufps): Change operand 3 to const_int_operand.
6708         (sse2_storelps): Fix typo in template.
6709         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
6710         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
6711         (ix86_expand_builtin): Likewise.
6712
6713 2005-01-05  Julian Brown  <julian@codesourcery.com>
6714
6715         * config/arm/arm.c (arm_return_in_memory): Treat complex types
6716         as aggregates for AAPCS ABIs.
6717
6718 2005-01-05  Stan Shebs  <shebs@apple.com>
6719
6720         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
6721         Mach-O getters if ppc64.
6722         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
6723         size argument.
6724         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
6725         signed four-byte field for global code case.
6726         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
6727
6728 2005-01-05  Roger Sayle  <roger@eyesopen.com>
6729
6730         PR middle-end/19100
6731         * c-common.c: Include real.h.
6732         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
6733         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
6734         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
6735         * Makefile.in (c-common.o): Update dependencies.
6736
6737 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
6738
6739         * c-parse.in (asm_string): Add trailing semicolon.
6740
6741 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
6742
6743         * c-parse.in (asm_string): New.  Don't allow wide strings in
6744         'asm'.
6745         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
6746         asm_string instead of STRING.
6747
6748 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
6749
6750         * c-typeck.c (constructor_no_implicit): Remove.
6751         (set_designator, process_init_element): Don't check
6752         constructor_no_implicit.
6753
6754 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
6755             Kaz Kojima  <kkojima@gcc.gnu.org>
6756
6757         PR target/16482
6758         * lcm.c (create_pre_exit): New.
6759         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
6760         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
6761
6762 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
6763
6764         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
6765         -msoft-float in target_float_switch.
6766         * arm.c (arm_override_options): Fix processing of target_float_switch.
6767
6768 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
6769
6770         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
6771         preferencing.
6772
6773 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
6774
6775         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
6776         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
6777
6778 2005-01-04  Roger Sayle  <roger@eyesopen.com>
6779
6780         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
6781         if deleting the then-block allows the test-block to fallthru to the
6782         else-block.
6783
6784 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
6785
6786         PR c/19152
6787         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
6788         after the full declaration if the are in two different TUs.
6789
6790 2005-01-04  Richard Henderson  <rth@redhat.com>
6791
6792         PR tree-opt/19158
6793         * tree-sra.c (generate_one_element_init): Just
6794         call gimplify_and_add.
6795         (generate_element_init): Record the
6796         new referenced variables and mark them for renaming
6797         and split out to ...
6798         (generate_element_init_1): This.
6799         (scalarize_init): Don't call push_gimplify_context/
6800         pop_gimplify_context.
6801
6802 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
6803
6804         * toplev.c (get_src_pwd): Handle failure of getpwd().
6805
6806 2005-01-04  Roger Sayle  <roger@eyesopen.com>
6807
6808         * fold-const.c (fold_single_bit_test): Delete unreachable handling
6809         of TRUTH_NOT_EXPR.
6810         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
6811         all the cases handled by it are inverted by invert_truthvalue.
6812
6813 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
6814
6815         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
6816         (save_register_windowsi): Likewise.
6817
6818 2005-01-04  Richard Henderson  <rth@redhat.com>
6819
6820         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
6821
6822 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
6823
6824         PR middle-end/17767
6825         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
6826         any simplifications of vector mode comparison operators.
6827         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
6828
6829 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
6830             Devang Patel  <dpatel@apple.com>
6831
6832         PR tree-optimization/18308
6833         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
6834         the operands before creating a new expression.
6835         * dojump.c (do_jump): Make drop_through_label available
6836         for all cases.  Add expansion of COND_EXPR.
6837
6838 2005-01-04  Ira Rosen  <irar@il.ibm.com>
6839
6840         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
6841         INTEGER_CST instead of TREE_CONSTANT.
6842         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
6843         instead of TREE_CONSTANT.
6844         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
6845         instead of TREE_CONSTANT.
6846
6847 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
6848
6849         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
6850
6851 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
6852
6853         PR target/19240
6854         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
6855         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
6856
6857 2005-01-03  Richard Henderson  <rth@redhat.com>
6858
6859         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
6860         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
6861         fold_convert_const_real_from_real): Split out from ...
6862         (fold_convert_const): ... here.
6863
6864 2005-01-03  Richard Henderson  <rth@redhat.com>
6865
6866         PR target/19235
6867         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
6868         (mov<MMXMODEI>_internal): Likewise.
6869         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
6870         Add V2SF case; use it for SSE1; don't use TI.
6871         (movdf_integer): Likewise.
6872         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
6873
6874 2005-01-03  Ira Rosen  <irar@il.ibm.com>
6875
6876         * tree-vectorizer.c (vect_strip_conversions): New function.
6877         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
6878         check for binary class.
6879
6880 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
6881
6882         Fix PR debug/17924
6883         Fix PR debug/19191
6884         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
6885         is a decl.
6886         * gimple-low.c (mark_blocks_with_used_vars): New function.
6887         (mark_blocks_with_used_subblocks): Ditto.
6888         (mark_used_blocks): Ditto.
6889         (pass_mark_used_blocks): New pass.
6890         * tree-inline.c: Include debug.h.
6891         (expand_call_inline): Call outlining_inline_function here.
6892         * tree-optimize.c (init_tree_optimization_passes): Add
6893         pass_mark_used_blocks.
6894         * tree-pass.h (pass_mark_used_blocks): New.
6895         * Makefile.in (tree-inline.o): Add debug.h dependency.
6896
6897 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
6898
6899         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
6900         VAR_DECLs to have weak_import attribute.
6901
6902         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
6903         'struct ucontext'.
6904
6905 2004-01-03  Steven Bosscher  <stevenb@suse.de>
6906
6907         * passes.c (rest_of_compilation): Don't run regmove if only
6908         flag_expensive_optimizations, require flag_regmove instead.
6909
6910 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
6911
6912         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
6913         register "sparc".
6914         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
6915         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
6916         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
6917         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
6918
6919 2005-01-03  Richard Henderson  <rth@redhat.com>
6920
6921         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
6922         (ia64_const_ok_for_letter_p): New.
6923         (ia64_const_double_ok_for_letter_p): New.
6924         (ia64_extra_constraint): New.
6925         (ia64_expand_vecint_compare): New.
6926         (ia64_expand_vcondu_v2si): New.
6927         (ia64_expand_vecint_cmov): New.
6928         (ia64_expand_vecint_minmax): New.
6929         (ia64_print_operand): Add 'v'.
6930         (ia64_preferred_reload_class): New.
6931         (ia64_vector_mode_supported_p): New.
6932         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
6933         (PREFERRED_RELOAD_CLASS): Move to function.
6934         (CONST_OK_FOR_LETTER_P): Move to function.
6935         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
6936         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
6937         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
6938         (EXTRA_CONSTRAINT): Move to function.
6939         * config/ia64/ia64.md: Include vect.md.
6940         (itanium_class): Add mmalua.
6941         (type): Handle it.
6942         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
6943         (1b_mmalua): New.
6944         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
6945         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
6946         CONST0_RTX.
6947         (const_int_2bit_operand): New.
6948         (fr_reg_or_0_operand): New.
6949         * config/ia64/ia64-modes.def: Add vector modes.
6950         * config/ia64/ia64-protos.h: Update.
6951         * config/ia64/vect.md: New file.
6952
6953 2005-01-03  Richard Henderson  <rth@redhat.com>
6954
6955         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
6956
6957 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
6958
6959         PR target/19236
6960         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
6961         to SFmode.
6962         (log1pdf2): Change mode of operands[0,1] to DFmode.
6963
6964 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
6965
6966         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
6967         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
6968         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
6969         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
6970         SPARC_RELAXED_ORDERING.
6971
6972 2005-01-03  Richard Henderson  <rth@redhat.com>
6973             Uros Bizjak  <uros@kss-loka.si>
6974
6975         PR target/14631
6976         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
6977         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
6978         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
6979         handling.
6980         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
6981         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
6982         const_pow2_1_to_128_operand): New predicates.
6983
6984 2005-01-02  Greg McGary  <greg@mcgary.org>
6985
6986         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
6987         anonymous decls.
6988         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
6989         object.  [ptr_type]: Remove unused variable.
6990         Remember nearest addressable array-element or record-component
6991         when checking bitfield components.  Tolerate empty BIND_EXPR.
6992
6993 2005-01-01  Richard Henderson  <rth@redhat.com>
6994
6995         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
6996         that don't narrow the value.  Fail for other conversions.
6997
6998 2005-01-01  Richard Henderson  <rth@redhat.com>
6999
7000         PR c/19031
7001         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
7002         * c-lang.c (finish_file): Don't do it here.
7003         * objc/objc-act.c (objc_finish_file): Likewise.
7004
7005         * cgraph.c (decl_assembler_name_equal): New.
7006         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
7007         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
7008         * cgraph.h (struct cgraph_varpool_node): Add next.
7009         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
7010         * varasm.c (assemble_alias): Mark the target as needed.
7011
7012 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
7013
7014         PR middle-end/19221
7015         * function.c (get_arg_pointer_save_area): Use entry_of_function
7016         instead of get_insns.
7017
7018 2005-01-01  Roger Sayle  <roger@eyesopen.com>
7019             Andrew Pinski  <pinskia@physics.uc.edu>
7020             James E. Wilson  <wilson@specifixinc.com>
7021
7022         PR rtl-optimization/12092
7023         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
7024         is zero.
7025
7026 2005-01-01  Roger Sayle  <roger@eyesopen.com>
7027             Olivier Hainque  <hainque@act-europe.fr>
7028
7029         * tree.c (int_fits_type_p): A narrower type always fits in a
7030         wider one, except for negative values into unsigned types.
7031
7032 2005-01-01  Roger Sayle  <roger@eyesopen.com>
7033
7034         * tree.c (int_fits_type_p): Compare the result of force_fit_type
7035         with the original constant rather than require TREE_OVERFLOW.
7036
7037 2005-01-01  Steven Bosscher  <stevenb@suse.de>
7038
7039         PR middle-end/17544
7040         * c-decl.c (finish_function): If compiling C99, annotate the
7041         compiler generated return with the current file name and line 0.
7042         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
7043         the source line is greater than 0.
7044         (remove_bb): Likewise.
7045
7046 See ChangeLog.12 for earlier changes.