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* config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
2
3         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
4         MASK_SPLIT_ADDRESSES.
5         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
6         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
7         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
8         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
9         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
10         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
11         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
12         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
13         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
14         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
15         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
16         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
17         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
18         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
19         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
20         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
21         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
22         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
23         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
24         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
25         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
26         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
27         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
28         (TARGET_EXPLICIT_RELOCS): Delete.
29         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
30         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
31         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
32         (override_options): Set MASK_LONG64 if -mint64 is given and no
33         -mlongXX option is.  Complain about -mint64 -mlong32.
34         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
35         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
36         * config/mips/mips.opt: New file.
37
38 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
39
40         * config.gcc (extra_options): New variable for listing option files.
41         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
42         * configure.ac (extra_opt_files): New AC_SUBST variable.
43         (tm_file_list, tm_include_list): Include options.h first.
44         * configure: Regenerate.
45         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
46         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
47         (s-options-h): New rule.
48         (options.h): Depend on it.
49         (TEXI_GCCINT_FILES): Add options.texi.
50         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
51         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
52         * target.h (gcc_target): Add default_target_flags and handle_option.
53         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
54         (TARGET_HANDLE_OPTION): New macros.
55         (TARGET_INITIALIZER): Include them.
56         * opt-functions.awk (opt_args, nth_arg): New functions.
57         (switch_flags): Handle the "Target" flag.
58         (var_args): Delete.
59         (var_name): Use opt_args and nth_arg.
60         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
61         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
62         macros for the "Mask" and "InverseMask" options.
63         * opts.h (cl_var_cond): New enum.
64         (cl_option): Replace the "has_set_value" and "set_value" fields with 
65         "var_cond" and "var_value".
66         (CL_TARGET): New macro.
67         (option_enabled, print_filtered_help): Declare.
68         (decode_options): Move definition.
69         * opts.c (handle_option): Search for the original option before
70         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
71         var_cond and var_value fields.  Use targetm.handle_option to handle
72         target options.
73         (decode_options): Set target_flags to targetm.default_target_flags.
74         (print_filtered_help): Make global.  Handle CL_TARGET.
75         (option_enabled): New function.
76         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
77         (display_target_options, set_target_switch, print_switch_values)
78         (default_pch_valid_p): Guard uses of target_switches with
79         #ifdef TARGET_SWITCHES.  Also...
80         (display_target_options): Display the CL_TARGET entries in cl_options.
81         (set_target_option): Don't complain about the "" option when
82         TARGET_SWITCHES is undefined.
83         (print_switch_values): Use option_enabled.
84         (default_pch_valid_p): Check cl_options[] when looking for something
85         that has changed the value of target_flags.
86         * c.opt: Remove documentation from top of file.
87         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
88         * doc/sourecebuild.texi: Refer to the new options documentation
89         instead of c.opt.  Document machine-specific .opt files.
90         * doc/tm.texi (target_flags): Say that this variable is declared
91         by options.h.
92         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
93         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
94         an alternative.
95         * doc/options.texi: New file.
96
97 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
98
99         PR middle-end/18628
100         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
101         register.
102
103 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
104
105         PR c++/20280
106         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
107         temporary variable of pointer type if an lvalues is required.
108         (gimplify_modify_expr_rhs): Request an rvalue from it.
109         (gimplify_expr): Pass fallback on.
110
111 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
112
113         * cfgbuild.c: Update comments.
114
115 2005-03-14  Roger Sayle  <roger@eyesopen.com>
116
117         PR rtl-optimization/17236
118         * optabs.c (expand_doubleword_mult): New helper function split out
119         from expand_binop.  Permute the order in which instructions are
120         emitted to minimize the number of simultaneously live registers.
121         (expand_binop): Call expand_doubleword_mult to synthesize a double
122         word multiplication.
123
124 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
125
126         * basic-block.h: Update the prototypes of cached_make_edge and
127         rtl_make_eh_edge.
128         * cfg.c (cached_make_edge): Take edge_cache representing one
129         row of the adjacency matrix of edges.
130         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
131         (make_edges): Initialize edge_cache to represent one row of
132         the adjacency matrix of edges.
133
134 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
135
136         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
137         New functions.
138         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
139         Remove unused removed_phis variable.
140         (conditional_replacement): Use build1/build2.
141         (abs_replacement): Use last_and_only_stmt and build1/build2.
142
143 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
144
145         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
146         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
147         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
148         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
149         * c-common.c (handle_novops_attribute): New function.
150         (c_common_attribute_table): Add "no vops" entry.
151         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
152         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
153         * tree-ssa-operands.c (get_call_expr_operands): Do not
154         create virtual operands for calls with ECF_NOVOPS flag.
155         * tree.h (DECL_IS_NOVOPS): New macro.
156         (struct tree_decl): Add novops_flag.
157         (ECF_NOVOPS): New constant.
158
159 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
160
161         PR target/17688
162         * config/i386/i386.c (x86_use_himode_fiop): New.
163         (x86_use_simode_fiop): Rename from x86_use_fiop.
164         * config/i386/i386.h (x86_use_himode_fiop): Declare.
165         (TARGET_USE_HIMODE_FIOP): New.
166         (x86_use_simode_fiop): Rename from x86_use_fiop.
167         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
168         
169         * config/i386/i386.md (X87MODEI12): New mode macro define.
170         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
171         to implement x87 FP compare with HImode input operands.
172         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
173         Use X87MODEI12 mode macro to handle HImode input operands.
174         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
175         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
176         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
177         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
178         macro to implement x87 operators with HImode input operands.
179         (fop splitters): Use X87MODEI12 mode macro to handle HImode
180         input operands.
181
182 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
183
184         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
185         integer_zerop.
186         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
187         constants invariant.
188
189 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
190
191         * basic-block.h (BB_VISITED): Removed.
192         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
193
194 2005-03-14  Falk Hueffner  <falk@debian.org>
195
196         PR bootstrap/20424
197         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
198
199 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
200
201         * ggc-zone.c: Fix comment typos.
202
203         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
204         stringpool.c, config/mips/mips-protos.h: Update copyright.
205
206 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
207
208         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
209         throughout with its typedef, "rtx".
210         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
211         (rs6000_tls_symbol_ref_1): Remove inline keyword.
212         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
213         regs in comment to match code.
214
215 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
216
217         * except.c (check_handled): Make it static.
218         * except.h: Remove the corresponding prototype.
219
220         * function.c (get_func_frame_size): Make it static.
221         * function.h: Remove the corresponding type.
222
223         * regclass.c (reg_class_superclasses, reg_class_subclasses):
224         Make them static.
225         * hard-reg-set.h: Remove the corresponding declarations.
226
227         * tree-cfg.c (verify_stmts): Check that
228         bb_for_stmt (stmt) == bb for every PHI node and statement.
229
230 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
231
232         * config.gcc: Remove excess indentation.
233         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
234
235 2005-03-13  Roger Sayle  <roger@eyesopen.com>
236
237         PR middle-end/19331
238         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
239         * fold-const.c (fold_sign_changed_comparison): Likewise.
240         (fold_binary): Optimize comparisons against widened operands if
241         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
242
243 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
244
245         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
246         (sparc_override_options): Initialize it.
247         (sparc_struct_value_rtx): Set it on the MEM to be returned.
248
249 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
250
251         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
252         (reg_or_none500mem_operand): New predicate.
253         (zero_reg_mem_operand): New predicate.
254         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
255         to reg_or_none500mem_operand.
256         (extendsfdf2_fpr): Add MEM alternative.
257         (extenddftf2_internal): Change operand2 predicate to
258         zero_reg_mem_operand.
259
260 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
261
262         * ggc-zone.c: Rewritten.
263
264         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
265         if there are none.
266         * configure.ac: Define GGC_ZONE for --with-gc=zone.
267         * config.in: Regenerated.
268         * configure: Regenerated.
269         * gengtype.c (write_types_process_field, write_func_for_structure):
270         Pass new argument to gt_pch_note_object.
271         * ggc-common.c (struct ptr_data): Add TYPE.
272         (gt_pch_note_object): Take TYPE argument and save it.
273         (call_count): Update call to ggc_pch_count_object.
274         (call_alloc): Update call to ggc_pch_alloc_object.
275         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
276         file.
277         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
278         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
279         (ggc_alloc_zone_stat): Delete.
280         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
281         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
282         (ggc_pch_alloc_object): Update prototypes.
283         (garbage_zone): Delete.
284         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
285         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
286         pointers.
287         (tree_id_zone): New variable.
288         (ggc_alloc_cleared_zone): Remove unused.
289         (ggc_alloc_zone): Define.
290         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
291         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
292         ggc_alloc_zone_stat.
293         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
294         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
295         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
296         (make_node_stat): Likewise.  Use tree_id_zone.
297
298 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
299             Joseph S. Myers  <joseph@codesourcery.com>
300
301         * configure.ac: Check for MIPS TLS.
302         * configure: Regenerated.
303         * config/mips/mips-protos.h (enum mips_symbol_type): Add
304         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
305         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
306         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
307         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
308         (mips_classify_symbol, mips_symbolic_constant_p)
309         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
310         (mips_tls_operand_p, mips_call_tls_get_addr)
311         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
312         (mips_tls_symbol_ref_1): New functions.
313         (mips_legitimize_address, mips_legitimize_const_move): Call
314         mips_legitimize_tls_address.
315         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
316         for MIPS16.
317         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
318         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
319         (mips_char_to_class): Document V1_REG.
320         (HAVE_AS_TLS): Provide default.
321         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
322         constants.
323         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
324         !TARGET_ABICALLS.
325         (tls_get_tp_<mode>): New instruction.
326
327 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
328
329         * configure.ac: Update checks for target tools.
330         * configure: Regenerated.
331
332 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
333
334         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
335
336 2005-03-13  Roger Sayle  <roger@eyesopen.com>
337
338         * expmed.c (expand_mult): Use synthetic multiplication sequences for
339         more classes of DImode multiplication by constant.  Allow both
340         multiplication by small negative constants (by performing a 
341         multiplication by a positive constant and negating the result) and
342         multiplications by large powers of two, by using a left shift.
343
344 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
345
346         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
347         of basic blocks into work_stack.
348
349         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
350         config/mips/vr.h: Update copyright.
351
352         * c-decl.c (c_init_decl_processing): Remove useless calls to
353         build_function_type.
354
355         * builtins.c (fold_trunc_transparent_mathfn,
356         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
357         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
358         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
359         fold_builtin_strcpy, fold_builtin_strncpy,
360         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
361         TREE_TYPE (exp).
362
363         * builtins.c (expand_builtin_mathfn_3): Remove local variable
364         before_call.
365
366         * lambda-code.c (lambda_compute_auxillary_space): Remove local
367         variable determinant.
368
369         * tree-cfg.c (group_case_labels): Remove local variable type.
370
371         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
372         variable ann.
373
374         * tree-ssa-phiopt.c (value_replacement): Remove local variable
375         result.
376
377 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
378
379         PR target/18251
380         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
381         (*movmemqi_insn): Delete.
382         (*movmemhi): Delete.
383
384 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
385
386         * builtins.c (fold_builtin_classify): Take decomposed
387         arguments of CALL_EXPR.
388         (fold_builtin_1): Update a call to fold_builtin_classify.
389
390 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
391
392         PR c/20402
393         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
394         through into call to parser_xref_tag after parse error.
395         (c_parser_struct_declaration): Consistently return NULL_TREE on
396         error.
397
398 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
399
400         * tree-flow-inline.h (ref_contains_array_ref): New function.
401         (lookup_subvars_for_var): Ditto.
402         (get_subvars_for_var): Ditto.
403         (var_can_have_subvars): Ditto.
404
405         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
406         (struct subvar): New type.
407
408         * tree-dfa.c (okay_component_ref_for_subvars): New function.
409
410         * tree-optimize.c (init_tree_optimization_passes): Call
411         pass_create_structure_vars.
412
413         * tree-ssa-alias.c: Include vec.h.
414         (init_alias_info): Don't auto-clear call clobbered on struct-field
415         tags.
416         (compute_flow_insensitive_aliasing): Handle subvars.
417         (group_aliases): Handle STRUCT_FIELD aliases.
418         (setup_pointers_and_addressables): Ditto.
419         Don't mark variables non-addressable if they still have
420         addressable subvars.
421         Also mark subvars addressable when the real variable is marked
422         addressable. 
423         (add_pointed_to_var): Try to prune the pointed-to set by only
424         pointing to subvars when possible.
425         Otherwise, make sure we set addresses_needed and pt_vars to
426         properly include subvars.
427         (bitpos_of_field): New function.
428         (push_fields_onto_fieldstack): Ditto.
429         (get_or_create_used_part_for): Ditto.
430         (create_overlap_variables_for): Ditto.
431         (find_used_portions): Ditto.
432         (create_structure_vars): Ditto.
433         (pass_create_structure_vars): New structure.
434
435         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
436         (get_expr_operands): Handle subvars.  Also try to turn
437         COMPONENT_REF accesses into must-defs now that we can accurately
438         portray it.
439         (note_addressable): Try to only mark as addressable those subvars
440         we know a COMPONENT_REF touches.
441         (overlap_subvar): New function.
442
443         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
444         Handle subvar storing.
445         (vect_address_analysis): Update caller of vect_object_analysis.
446
447         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
448
449         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
450         (STMT_VINFO_SUBVARS): New macro.
451
452         * common.opts: add flag_tree_salias.
453         
454         * opts.c (decode_options): flag_tree_salias defaults to on.
455         
456         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
457
458         * doc/tree-ssa.texi: Document structural alias analysis.
459         
460 2005-03-12  Steven Bosscher  <stevenb@suse.de>
461
462         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
463         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
464         * tree-ssa-operands.c (get_expr_operands): Likewise.
465         (get_expr_operands): Likewise for ERROR_MARK.
466
467 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
468
469         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
470         var.
471
472         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
473         removed_phis.
474
475         * tree-ssa-pre.c (compute_avail): Remove local variable val.
476         (mark_operand_necessary): Remove local variable ver.
477
478         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
479         variable prefix_len.
480
481         * value-prof.c (mod_subtract_transform): Remove local variable
482         value.
483
484         * builtins.c (fold_builtin_exponent): Take decomposed
485         arguments of CALL_EXPR.
486         (fold_builtin_1): Update a call to fold_builtin_exponent.
487
488         * builtins.c (fold_builtin_logarithm): Take decomposed
489         arguments of CALL_EXPR.
490         (fold_builtin_1): Update a call to fold_builtin_logarithm.
491
492         * c-decl.c (c_init_decl_processing): Remove local variables
493         ptr_ftype_void and ptr_ftype_ptr.
494
495         * gimplify.c (gimplify_expr): Remove local variables r0 and
496         r1.
497
498         * reg-stack.c (move_for_stack_reg): Remove local variable
499         push_insn.
500         (compare_for_stack_reg): Remove local variable flags_user.
501         (convert_regs_1): Remove local variable deleted.
502
503         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
504         variable new_cond.
505         (combine_blocks): Remove local variables exits and new_e.
506
507         * tree-inline.c (expand_call_inline): Remove local variable
508         decl.
509
510         * tree-ssa-live.c (create_ssa_var_map,
511         calculate_live_on_entry): Remove local variable snn.
512
513 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
514
515         * c-lex.c (c_lex_with_flags): Add parameter to call to 
516         cpp_spell_token.
517
518 2005-03-11  Per Bothner  <per@bothner.com>
519
520         * c-tree.h (struct c_declarator): New id_loc field.
521         * c-pragma.h (c_lex_with_flags): Take position reference.
522         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
523         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
524         (c_lex): Pass dummy location to c_lex_with_flags.
525         * c-parser.c (c_lex_one_token): Set c_token's location using
526         c_lex_with_flags, instead of input_location, which might be "ahead".
527         (c_parser_direct_declarator): Set declarator's id_loc from
528         c_token's id_loc.
529         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
530         declarator's id_loc, rather than probably-imprecise input_location.
531         (build_id_declarator): Initialize c_declarator's id_loc field.
532
533 2005-03-11  Roger Sayle  <roger@eyesopen.com>
534
535         PR middle-end/20419
536         * builtins.c (expand_builtin_signbit): Force the signbit's word
537         into an integer register to avoid SUBREGs of floating point modes.
538
539 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
540
541         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
542         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
543         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
544         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
545
546 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
547
548         PR rtl-optimization/20306
549         * expr.c (emit_move_complex): Set try_int false if mode is
550         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
551         emit_block_move if try_int is true.
552
553 2005-03-11  Richard Henderson  <rth@redhat.com>
554
555         PR target/20415
556         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
557         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
558         to match.
559
560 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
561
562         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
563         (TARGET_FIX_VR4130): New macro.
564         (TARGET_OPTIONS): Add -mfix-vr4130.
565         (ISA_HAS_MACCHI): New macro.
566         (ASM_SPEC): Add -mfix-vr4130.
567         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
568         (override_options): Handle mips_fix_vr4130_string.
569         (mips_avoid_hazards): Clear all_noreorder_p
570         if we're working around VR4130 errata and the macc alternatives
571         are not available.
572         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
573         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
574         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
575         (MULTILIB_DEFAULTS): Remove leading "march=".
576         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
577         if no architecture option is given.
578         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
579         VR4130 multilibs.
580         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
581         * doc/invoke.texi: Document -mfix-vr4130.
582
583 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
584
585         * config/mips/mips.c (override_options): Only warn about -mint64
586         deprecation if TARGET_INT64.
587
588 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
589
590         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
591         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
592         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
593         are non-specific regarding the nonnull parameter positions.
594         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
595         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
596         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
597         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
598         
599         * builtins.def: Use the non-specific "nonnull" attibute lists.
600
601 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
602
603         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
604         single_pred_edge, single_succ, single_pred): Improve comments.
605
606 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
607
608         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
609         single_pred_edge, single_succ, single_pred): New inline functions.
610         * bb-reorder.c (rotate_loop, find_traces_1_round,
611         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
612         duplicate_computed_gotos): Use the single_succ/pred functions.
613         * cfganal.c (forwarder_block_p): Ditto.
614         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
615         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
616         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
617         merge_seq_blocks): Ditto.
618         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
619         * cfglayout.c (fixup_reorder_chain): Ditto.
620         * cfgloop.c (mark_single_exit_loops, update_latch_info,
621         canonicalize_loop_headers, verify_loop_structure): Ditto.
622         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
623         mfb_update_loops, create_preheader, force_single_succ_latches,
624         create_loop_notes): Ditto.
625         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
626         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
627         commit_one_edge_insertion, purge_dead_edges,
628         cfg_layout_can_merge_blocks_p): Ditto.
629         * except.c (sjlj_emit_function_enter): Ditto.
630         * flow.c (init_propagate_block_info): Ditto.
631         * function.c (thread_prologue_and_epilogue_insns): Ditto.
632         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
633         insert_insn_end_bb): Ditto.
634         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
635         find_if_case_2): Ditto.
636         * lambda-code.c (perfect_nestify): Ditto.
637         * lcm.c (optimize_mode_switching): Ditto.
638         * loop-doloop.c (doloop_modify): Ditto.
639         * loop-init.c (loop_optimizer_init): Ditto.
640         * loop-iv.c (simplify_using_initial_values): Ditto.
641         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
642         * loop-unswitch.c (unswitch_loop): Ditto.
643         * modulo-sched.c (generate_prolog_epilog): Ditto.
644         * predict.c (combine_predictions_for_insn, estimate_probability,
645         tree_estimate_probability, last_basic_block_p,
646         estimate_bb_frequencies): Ditto.
647         * profile.c (branch_prob): Ditto.
648         * regrename.c (copyprop_hardreg_forward): Ditto.
649         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
650         * tracer.c (layout_superblocks): Ditto.
651         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
652         cfg_remove_useless_stmts_bb, cleanup_control_flow,
653         cleanup_control_expr_graph, disband_implicit_edges,
654         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
655         tree_verify_flow_info, tree_make_forwarder_block,
656         tree_forwarder_block_p, remove_forwarder_block,
657         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
658         * tree-if-conv.c (tree_if_conversion): Ditto.
659         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
660         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
661         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
662         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
663         copy_loop_headers): Ditto.
664         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
665         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
666         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
667         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
668         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
669         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
670         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
671         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
672         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
673         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
674         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
675         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
676         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
677         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
678         slpeel_add_loop_guard): Ditto.
679
680 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
681
682         PR tree-optimization/15784
683         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
684         and -1 - A to ~A.
685
686         * stmt.c (expand_case): Don't change index_type.  Convert minval
687         to the proper type.
688
689         PR tree-optimization/20130
690         * fold-const.c (fold): Fold x * -1 into -x.
691
692 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
693
694         PR rtl-optimization/20331
695         * rtlanal.c (modified_between_p): Check its address first for MEM.
696         (modified_in_p): Likewise.
697
698 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
699
700         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
701
702 2005-03-10  Steven Bosscher  <stevenb@suse.de>
703
704         * expr.c (expand_expr_real_1): If possible, use a conditional
705         move for expanding MIN_EXPR and MAX_EXPR.
706         Use temp for moving around rtx-en.
707
708 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
709
710         PR rtl-opt/20412
711         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
712         correct mode.
713
714 2005-03-10  Roger Sayle  <roger@eyesopen.com>
715
716         * builtins.c (expand_builtin_signbit): Extend to handle floating
717         point modes wider than the largest integer type, using the
718         operand_subword_force function to obtain the signbit's word.
719
720 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
721
722         PR target/20322
723         * combine.c (try_combine): If recog_for_combine added CLOBBERs
724         to NEWI2PAT, fail to combine if they are used by NEWPAT.
725
726 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
727
728         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
729
730 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
731
732         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
733         type void.
734         (perform_edge_inserts): Unconditionally call
735         free_dominator_info.
736
737         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
738
739 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
740
741         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
742
743 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
744
745         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
746
747         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
748         gcc_unreachable.
749         (rtl_register_value_prof_hooks,
750         tree_value_profile_transformations,
751         tree_register_value_prof_hooks): Likewise.
752         * var-tracking.c (stack_adjust_offset_pre_post,
753         variable_htab_free, variable_union, dataflow_set_different_2,
754         count_uses, variable_was_changed, set_frame_base_location,
755         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
756         vt_add_function_parameters): Likewise.
757         * varasm.c (named_section_real, named_section, make_decl_rtl,
758         asm_emit_uninitialised, assemble_integer, decode_addr_const,
759         const_hash_1, compare_constant, copy_constant, force_const_mem,
760         output_constant_pool_2, output_constant_pool_1, output_constant,
761         output_constructor, make_decl_one_only, decl_tls_model,
762         default_no_named_section, default_elf_select_section_1,
763         default_unique_section_1): Likewise.
764         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
765         * vmsdbgout.c (addr_const_to_string): Likewise.
766
767         PR c++/20375
768         * function.c (struct assign_parm_data_one): Remove last_named
769         field.
770         (assign_parm_find_data_types): Don't determine last_named.
771         Reorder named_parm determination.
772         (assign_parms): Only setup varargs on the last non-varadic
773         parameter.
774
775 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
776
777         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
778         sda base address on medium model.
779
780 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
781
782         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
783         * cfgloop.c (flow_loop_nodes_find): Export.
784         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
785         Declare.
786         * cfgloopmanip.c (fix_loop_structure): New function.
787         * predict.c (predict_loops): Clean up the loops information.
788         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
789         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
790         loop structure.
791         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
792         (rewrite_into_loop_closed_ssa): Declaration changed.
793         * tree-loop-linear.c (linear_transform_loops): Add argument to
794         rewrite_into_loop_closed_ssa call.
795         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
796         * tree-ssa-loop-im.c (move_computations): Ditto.
797         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
798         * tree-vectorizer.c (vectorize_loops): Ditto.
799         * tree-optimize.c: Include cfgloop.h.
800         (execute_todo): Choose whether to call cleanup_tree_cfg or
801         cleanup_tree_cfg_loop.
802         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
803         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
804         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
805         cleanup_tree_cfg_loop call.
806         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
807         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
808         work on part of cfg.
809
810 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
811
812         PR inline-asm/20314
813         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
814         with multiple alternatives.
815
816         * stmt.c (parse_output_constraint): Fix a typo.
817
818 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
819
820         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
821         assembly directive instead of deprecated "no-generics".
822
823 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
824
825         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
826         for non-offsettable memory references to cope with outstanding reload
827         replacements.
828         * config/s390/s390.md ("reload_outti"): Call find_replacement to
829         avoid losing outstanding address reloads.
830         ("reload_outdi", "reload_outdf"): Likewise.
831
832 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
833
834         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
835         code.  Add more cbrt transformations.
836
837 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
838
839         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
840
841 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
842
843         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
844         NULL_TREE when a given tree is not simplified.
845         (fold): Return the original tree when any of the functions
846         mentioned above NULL_TREE.
847
848         * fold-const.c (fold_unary, fold_binary): Take decomposed
849         arguments, code, type, op0, and op1 in case of fold_binary.
850         (fold): Update calls to fold_unary and fold_binary.
851
852 2005-03-09  Roger Sayle  <roger@eyesopen.com>
853
854         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
855         a fndecl and an arglist instead of a CALL_EXPR, exp.
856
857 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
858
859         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
860
861         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
862
863         * expr.c (expand_assignment): Remove orig_to_rtx.
864
865         * fold-const.c (int_const_binop): Remove no_overflow.
866
867         * ifcvt.c (noce_emit_move_insn): Remove inmode.
868
869         * loop-iv.c (get_biv_step_1): Remove lhs.
870
871         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
872
873         * real.c (real_nan): Remove neg.
874
875         * function.c (thread_prologue_and_epilogue_insns): Remove i
876         and newinsn.
877
878         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
879         tb.
880
881         * tree-eh.c (tree_could_trap_p): Remove idx.
882
883         * tree-into-ssa.c (ann): Remove ann.
884
885         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
886
887         * tree-sra.c (decide_block_copy): Remove inst_count.
888
889         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
890
891         * tree-ssa-loop-im.c (lhs): Remove.
892
893         * cfgbuild.c (state, STATE, SET_STATE,
894         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
895         make_edges.
896         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
897         (find_basic_blocks): Set the state of each basic block to
898         BLOCK_NEW.
899
900 2005-03-08  Jeff Law  <law@redhat.com>
901
902         * tree-cfg.c (cleanup_control_flow): If removal of a computed
903         goto results in the removal of edges in the CFG, then we need
904         to recompute dominators.
905
906 2005-03-09  Ben Elliston  <bje@au.ibm.com>
907
908         * c-common.c (c_do_switch_warnings): Comment fix.
909
910 2005-03-08  Julian Brown  <julian@codesourcery.com>
911
912         * Patch from 2005-03-08 reverted for causing regressions and
913         ppc-darwin bootstrap failure.
914
915 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
916
917         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn): 
918         Define the real function for ppc-darwin.
919         * c-typeck.c (convert_arguments): Check for target-specific
920         invalid argument call to unprototyped function.
921         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN): 
922         New Macro.
923         * target.h (invalid_arg_for_unprototyped_fn): New field 
924         in struct calls.
925         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New 
926         default target hook.
927         * targhooks.h (hook_invalid_arg_for_unprototyped_fn): 
928         Declare.
929
930 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
931
932         * c-typeck.c (constructor_stack, constructor_range_stack,
933         initializer_stack): Make them static.
934
935         * cfg.c (rbi_pool): Make it static.
936
937         * gimple-low.c (lower_stmt_body): Make it static.
938         * tree-flow.h: Remove the corresponding prototype.  Don't
939         declare lower_data.
940
941         * sched-deps.c (cache_size): Make it static.
942
943         * stor-layout.c (lang_adjust_rli): Make it static.
944
945 2005-03-08  Julian Brown  <julian@codesourcery.com>
946
947         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
948         from being used for symbols with vague linkage when
949         HAVE_GAS_COMDAT_GROUP is true.
950
951 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
952
953         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
954         nlabel == JUMP_LABEL (jump).
955
956 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
957
958         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
959         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
960         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
961         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
962
963 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
964
965         PR c/14411
966         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
967         * c-common.c (handle_returns_twice): New function.
968         (c_common_attribute_table): Declare eturns_twice' attribute.
969         * doc/extend.texi: Document eturns_twice' attribute.
970         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
971         (struct tree_decl): Add returns_twice_flag.
972
973 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
974
975         * tree-ssa-phiopt.c: Fix a comment typo.
976
977         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
978         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
979         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
980         copyright.
981
982 2005-03-08  Richard Henderson  <rth@redhat.com>
983
984         * config/alpha/alpha.c (code_for_builtin): Replace special-case
985         builtin codes with ctzdi2, clzdi2, popcountdi2.
986         (struct alpha_builtin_def): Add is_const.
987         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
988         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
989         (alpha_init_builtins): Init them.  Set nothrow and const attributes
990         on builtins.
991         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot, 
992         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx, 
993         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh, 
994         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
995         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
996         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
997         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
998         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
999         (TARGET_FOLD_BUILTIN): New.
1000         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
1001         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
1002         (ffsdi2): Use ctz.
1003         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
1004
1005 2005-03-08  Ira Rosen  <irar@il.ibm.com>
1006
1007         PR tree-optimization/20122
1008         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
1009         condition of access function instead of base.
1010
1011 2005-03-07  Jeff Law  <law@redhat.com>
1012             Steven Bosscher  <stevenb@suse.de>
1013
1014         * tree-cfg.c (find_taken_edge_computed_goto): New function.
1015         (find_taken_edge): Call find_taken_edge_computed_goto as
1016         appropriate.  Allow any gimple invariant rather than just
1017         INTEGER_CST for VAL.
1018         (cleanup_control_flow): Cleanup a computed goto which has turned
1019         into a simple goto.
1020         (tree_merge_blocks): If block B has any forced labels, move
1021         them to the start of block A.
1022         * tree-ssa-dom.c (thread_across_edge): Allow threading across
1023         computed gotos as well.
1024         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
1025         removal of unnecessary computed gotos too.
1026         (lookup_redirection_data): Fix type of INSERT argument.  Callers
1027         updated.
1028
1029 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
1030
1031         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
1032         Remove trailing spaces.
1033
1034         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
1035         unshare_all_trees): Make them static.
1036         * tree-gimple.h: Remove the corresponding prototypes.
1037
1038         * diagnostic.h: Remove unused prototype
1039         debug_output_buffer.
1040         * modulo-sched.c: Remove unused prototype
1041         set_row_column_for_ps.
1042
1043         * tree-ssa-phiopt.c (tree_ssa_phiopt,
1044         replace_phi_edge_with_variable): Remove unused variable i.
1045
1046 2005-03-07  Per Bothner  <per@bothner.com>
1047
1048         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
1049
1050 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
1051         
1052         PR tree-opt/17671
1053         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
1054         bbs on the COND_EXPR instead of the PHI_NODEs.
1055         (candidate_bb_for_phi_optimization): Remove.
1056         (replace_phi_with_stmt): Rename to ...
1057         (replace_phi_edge_with_variable): this and change so that we
1058         replace the phi argument instead of removing the PHI.
1059         (conditional_replacement): Change so we deal with PHI with more
1060         than two arguments.
1061         (value_replacement): Likewise.
1062         (abs_replacement): Likewise.
1063
1064 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
1065
1066         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
1067         output_e500_flip_gt_bit.
1068
1069         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
1070         as bit 31.
1071         (rs6000_generate_compare): Fix logic to look at the correct bits.
1072         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
1073         Look at GT bit.
1074         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
1075         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
1076         gen_move_from_CR_gt_bit.
1077
1078         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
1079         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
1080         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
1081
1082         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
1083         (E500_CR_IOR_COMPARE): New constant.
1084
1085 2005-03-08  Earl Chew <earl_chew@agilent.com>
1086             David Billinghurst <David.Billinghurst@riotinto.com>
1087
1088         * config/i386/host-cygwin.c: New file to support precompiled
1089         headers on cygwin
1090         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
1091         * config.host: Use above files for cygwin host.
1092
1093 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
1094
1095         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
1096         ordering ops from earlier change.
1097
1098 2005-03-07  Per Bothner  <per@bothner.com>
1099
1100         Various fixes to allow us to again build if --enable-mapped-location:
1101         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
1102         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
1103         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
1104         local variable loc. Change logic appropriately.
1105         * tree-vect-transform.c (vect_finish_stmt_generation): Use
1106         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.    
1107         * c-parser.c (c_parser_for_statement): Initialize loc variable.
1108         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
1109         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
1110
1111 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
1112
1113         PR rtl-optimization/19683
1114         * reload1.c (choose_reload_regs): Pass the number of bits, not the
1115         number of bytes, to smallest_int_for_mode.  Fix arguments to
1116         REG_CANNOT_CHANGE_MODE_P.
1117
1118 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
1119
1120         * reorg.c (relax_delay_slots): Check that the jump is
1121         conditional before trying to invert it.
1122
1123 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
1124
1125         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
1126         Make them static.
1127
1128         * calls (stack_arg_under_construction): Make it static.
1129
1130         * flow.c (regs_live_at_setjmp): Make it static.
1131         * flow.h: Remove the corresponding prototype.
1132
1133         * reload1.c (reload_startobj, reload_firstobj,
1134         something_needs_operands_changed, reload_inherited,
1135         reload_inheritance_insn, reload_override_in,
1136         reload_spill_index): Make them static.
1137
1138         * recog.c (verify_changes): Make it static.
1139         * recog.h: Remove the corresponding prototype.
1140
1141         * cfgbuild.c (find_sub_basic_blocks): Remove.
1142         * basic-block.h: Remove the corresponding prototype.
1143         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
1144         in comments.
1145         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
1146
1147         * tree-ssa-operands.c (check_build_stmt): Remove.
1148
1149         * stor-layout.c (set_alignment): Remove.
1150         * tree.h: Remove the corresponding prototype.
1151
1152         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
1153
1154         * tree-ssa-dce.c (control_dependence_map,
1155         visited_control_parents): Make them static.
1156
1157         * cfghooks.c (verify_flow_info): Remove local variable
1158         num_bb_notes.
1159
1160         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
1161         last_bb_seen.
1162
1163         * loop-unswitch.c (unswitch_loop): Remove local variable src.
1164
1165 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
1166
1167         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
1168
1169 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
1170
1171         * config/ia64/hpux.h (LINK_SPEC): Add -z.
1172         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
1173         PARALLEL for an empty structure.
1174
1175 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
1176
1177         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
1178
1179         * fold-const.c (fold_binary): Unroll the very first "for"
1180         loop.
1181
1182 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
1183
1184         * config/rs6000/predicates.md (branch_comparison_operator): Remove
1185         redundant match_code test.
1186         (scc_comparison_operator): Swap match_operand and match_code
1187         tests.
1188         (branch_positive_comparison_operator): Same.
1189         (trap_comparison_operator): Use comparison_operator and swap with
1190         match_code test.
1191
1192 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
1193
1194         PR target/20288
1195         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
1196         (out_movhi_r_mr): Read low byte of volatile MEM first.
1197         (out_movhi_mr_r): Write high byte of volatile MEM first.
1198
1199 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
1200
1201         * cselib.c (reg_values, reg_values_size): Make them static.
1202
1203         * cse.c (cse_reg_info_table): Make it static.
1204
1205         * fold-const.c (fold_unary): Use build1 instead of copy_node.
1206
1207 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
1208
1209         * cse.c (find_best_addr): Use canon_for_address.
1210
1211 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
1212
1213         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
1214         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
1215         SUBREG and MEM, respectively.
1216
1217         * fold-const.c (fold_binary): Use code instead of t.
1218
1219         * fold-const.c (optimize_minmax_comparison): Take decomposed
1220         arguments code, type, op0, and op1 instead of t.
1221         (fold_binary): Update a call to optimize_minmax_comparison.
1222
1223         * fold-const.c (fold_range_test): Take decomposed arguments
1224         code, type, op0, and op1 instead of t.
1225         (fold_binary): Update a call to fold_range_test.
1226
1227         * fold-const.c (fold_binary_op_with_conditional_arg): Take
1228         decomposed arguments code, type, op0, and op1 instead of t.
1229         (fold_binary): Update a call to fold_range_test.
1230
1231 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
1232
1233         * fold-const.c (fold_binary): Avoid directly using the original
1234         expression t as much as possible.
1235
1236 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
1237
1238         * c-semantics.c (build_stmt): Use TYPE_P instead of
1239         IS_NON_TYPE_CODE_CLASS.
1240         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
1241         (NON_TYPE_CHECK): Use TYPE_P instead of
1242         IS_NON_TYPE_CODE_CLASS.
1243
1244         * fold-const.c (fold): Remove handling of binary expressions.
1245
1246 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
1247
1248         * doc/c-tree.texi: Wrap comments in @r{}.
1249         * doc/cpp.texi: Likewise.
1250         * doc/cppinternals.texi: Likewise.
1251         * doc/extend.texi: Likewise.
1252         * doc/md.texi: Likewise.
1253         * doc/objc.texi: Likewise.
1254         * doc/sourcebuild.texi: Likewise.
1255         * doc/tm.texi: Likewise.
1256         * doc/tree-ssa.texi
1257
1258 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
1259
1260         * predict.c (apply_return_prediction): Standardize PHI chain
1261         walking.
1262         * tree-ssa.c (ssa_redirect_edge): Likewise.
1263
1264         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
1265         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
1266         Update copyright.
1267
1268         * tree-phinodes.c (remove_phi_node): Drop the last argument.
1269         * tree-flow.h: Adjust the prototype for remove_phi_node.
1270         * lambda-code.c (perfect_nestify): Adjust a call to
1271         remove_phi_node.
1272         * tree-cfg.c
1273         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
1274         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
1275         Likewise.
1276         * tree-ssa-dce.c (remove_dead_phis): Likewise.
1277         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
1278         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
1279         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
1280
1281         * combine.c (simplify_and_const_int): Use gen_int_mode instead
1282         of GEN_INT (trunc_int_for_mode (...)).
1283         * loop-iv.c (iv_number_of_iterations): Likewise.
1284         * postreload.c (reload_cse_move2add): Likewise.
1285         * simplify-rtx.c (simplify_const_unary_operation,
1286         simplify_const_binary_operation): Likewise.
1287         * stor-layout.c (get_mode_bounds): Likewise.
1288
1289         * fold-const.c (fold_binary): New.
1290         (fold): Call fold_binary on binary expressions.
1291
1292 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
1293
1294         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
1295         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
1296         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
1297         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
1298         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
1299
1300 2005-03-04  Devang Patel  <dpatel@apple.com>
1301         
1302         PR tree-optimization/18815
1303         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
1304         loops with zero exit edges.
1305
1306 2005-03-04  Devang Patel  <dpatel@apple.com>
1307
1308         * doc/invoke.texi: Remove reference to webpage that does not exist.
1309         
1310 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
1311             Joseph S. Myers  <joseph@codesourcery.com>
1312
1313         PR c++/19797
1314         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
1315         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
1316         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
1317         * pa.c (get_plabel): Change argument to symbol_ref.  Call
1318         maybe_get_identifier instead of get_identifier.
1319         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
1320         (struct deferred_plabel): Replace name field with symbol field.
1321         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
1322         ASM_OUTPUT_EXTERNAL_REAL is defined.
1323         (output_global_address): Use output_addr_const for output of all
1324         symbol_refs.
1325         (output_deferred_plabels): Use symbol_ref instead of name for address
1326         output.
1327         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
1328         ASM_OUTPUT_SYMBOL_REF): New macros.
1329         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
1330         comment.
1331         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
1332         label.
1333
1334 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
1335
1336         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
1337         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
1338
1339 2005-03-04  Jeff Law  <law@redhat.com>
1340
1341         * basic-block.h (rediscover_loops_after_threading): Declare.
1342         * tree-ssa-dom.c: Include cfgloop.h.
1343         (tree_ssa_dominator_optimize): Discover loops and some basic
1344         properties.  Remove forwarder blocks recreated by loop header
1345         canonicalization.  Also mark backedges in the CFG.
1346         * tree-ssa-threadupdate.c: Include cfgloop.h
1347         (rediscover_loops_after_threading): Define.
1348         (struct local_info): New field, JUMP_THREADED.
1349         (prune_undesirable_thread_requests): New function.
1350         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
1351         then record that fact for the callers of redirct_edges.
1352         (thread_block): If BB has incoming backedges, then call
1353         prune_undesirable_thraed_requests.    Note when we are
1354         going to have to rediscover loop information.  Return a
1355         boolean indicating if any jumps were threaded.
1356         (thread_through_all_blocks): Bubble up boolean indicating
1357         if any jumps were threaded.
1358         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
1359         (tree-ssa-threadupdate.o): Similarly.
1360
1361 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
1362
1363         * fold-const.c (fold_ternary): Unroll the "for" loop to
1364         extract operands.  
1365
1366 2005-03-04  Andrew Haley  <aph@redhat.com>
1367
1368         * unwind-dw2-fde-glibc.c (struct
1369         unw_eh_callback_data.check_cache): New field.
1370         (frame_hdr_cache): New.
1371         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
1372         Cache frame header info.
1373
1374 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
1375
1376         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
1377         (print_c_condition): Declare.
1378         * read-rtl.c (ptr_loc): New structure.
1379         (ptr_locs, ptr_loc_obstack, joined_conditions)
1380         (joined_conditions_obstack): New variables.
1381         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
1382         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
1383         (join_c_conditions, print_c_condition): New functions.
1384         (apply_macro_to_string): Associate the new string with the same
1385         source location as the old one.
1386         (add_condition_to_string): Use join_c_conditions.
1387         (read_string): Use set_rtx_ptr_loc to record a filename and line
1388         number for the string.
1389         (read_rtx): Initialize the new variables above.
1390         * genattrtab.c (write_test_expr, write_attr_value): Use
1391         print_c_condition.
1392         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
1393         comment above the GCC_VERSION check.
1394         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
1395         Inline the definition of MAYBE_EVAL.
1396         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
1397         * genoutput.c (process_template): Likewise.
1398         * genpreds.c (write_predicate_subfunction): Likewise.
1399         (write_predicate_expr): Use print_c_condition.
1400         * genrecog.c (write_cond): Likewise.
1401         * gensupport.c (process_rtx): Use join_c_conditions to join the
1402         conditions of a define_insn_and_split.  Record a source location
1403         for the string after the "&&".
1404         (alter_test_for_insn): Use join_c_conditions.
1405
1406 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
1407
1408         Revert for now:
1409         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
1410         PR tree-optimization/15784
1411         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
1412         and -1 - A to ~A.
1413
1414 2005-03-04  Ben Elliston  <bje@au.ibm.com>
1415
1416         * gcc.c (option_map): Add --coverage.
1417         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
1418         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
1419         * config/darwin.h: Pass -lgcov for `coverage'.
1420         * doc/invoke.texi (Debugging Options): Document --coverage.
1421
1422 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
1423
1424         * gcse.c (bypass_block): Use find_edge wherever possible.
1425
1426 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
1427
1428         Fix PR debug/20253
1429         
1430         * c-opts.c (c_common_parse_file): Call start_source_file
1431         and end_source_file at the approriate times.
1432
1433         * dwarf2out.c (dwarf2out_finish): Don't auto-end
1434         the main file, it will be done for us now.
1435         
1436 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
1437
1438         * fold-const.c (fold_ternary): New.
1439         (fold): Call fold_ternary on ternary expressions.  Remove
1440         handling of ternary expressions.
1441
1442 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
1443
1444         PR tree-optimization/15784
1445         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
1446         and -1 - A to ~A.
1447
1448 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
1449
1450         * config/rs6000/predicates.md (branch_comparison_operator):
1451         Convert from C block to conditional format.
1452
1453 2005-03-03  Jan Hubicka  <jh@suse.cz>
1454
1455         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
1456         and non-constant public variables.
1457
1458 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
1459
1460         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
1461         with LABEL_EXPR.
1462
1463         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
1464         EDGE_I.
1465
1466         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
1467         calls to release_ssa_name and release_phi_node.
1468
1469         * fold-const.c (fold): Remove handling of unary expressions.
1470
1471         * fold-const.c (fold_unary): Avoid directly using the original
1472         expression t as much as possible.
1473
1474 2005-03-03  Roger Sayle  <roger@eyesopen.com>
1475             Andrew Pinski  <pinskia@physics.uc.edu>
1476
1477         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
1478         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
1479
1480 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
1481
1482         Describe special registers SRP and MOF as allocatable registers.
1483         * config/cris/cris.c (cris_md_asm_clobbers): New function.
1484         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
1485         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
1486         TARGET_HAS_MUL_INSNS.
1487         (cris_print_operand) <case 'd'>: New case.
1488         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
1489         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
1490         define.
1491         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
1492         (REG_ALLOC_ORDER): Update for MOF.
1493         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
1494         SPECIAL_REGS.
1495         (GENERAL_REGS): No longer a define of ALL_REGS.
1496         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
1497         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
1498         Adjust accordingly.
1499         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
1500         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
1501         (SECONDARY_RELOAD_CLASS): Define.
1502         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
1503         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
1504         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
1505         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
1506         (REGISTER_MOVE_COST): Define.
1507         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
1508         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
1509         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
1510         (CRIS_MOF_REGNUM): New define_constants.
1511         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
1512         special registers.
1513         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
1514         New patterns.
1515         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
1516         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
1517         Adjust for MOF being properly described as a register.
1518         (indir_to_reg_split): Name this split.  Conditionalize on the
1519         destination register being a general register.
1520         (movei): Conditionalize on on operands 0 and 1 having the same
1521         register class.
1522
1523 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
1524
1525         PR target/20277
1526         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
1527         -mcpu to override any other explicitly given flags.
1528
1529 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
1530
1531         * recog.c (verify_changes, confirm_change_group): New functions,
1532         broken out of apply_change_group.
1533         (apply_change_group): Use them.
1534         * recog.h (verify_change, confirm_change_group): Declare.
1535         * rtl.h (redirect_jump_2): Declare.
1536         * jump.c (redirect_exp, invert_exp): Delete.
1537         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
1538         (redirect_jump_2): New function, broken out of redirect_jump.
1539         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
1540         (invert_jump): Use invert_jump_1 and redirect_jump_2.
1541         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
1542
1543 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
1544
1545         * varasm.c (named_section): Use xstrdup rather than doing it by
1546         hand.
1547
1548         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
1549
1550 2005-03-02  Devang Patel  <dpatel@apple.com>
1551         
1552         Undo PR tree-optimization/18815 fix.
1553         
1554 2005-03-02  Devang Patel  <dpatel@apple.com>
1555
1556         PR tree-optimization/18815
1557         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
1558         loops with zero exit edges.
1559         
1560 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
1561
1562         * cfg.c (connect_src, connect_dest, disconnect_src,
1563         disconnct_dest): New.
1564         (unchecked_make_edge, remove_edge, redirect_edge_succ,
1565         redirect_edge_pred): Use the new functions.
1566
1567         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
1568         free_dominance_info only when needed.
1569
1570 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
1571
1572         PR target/20276
1573         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
1574         (reg_or_sub_cint64_operand): Same.
1575
1576 2005-03-02  Jeff Law  <law@redhat.com>
1577
1578         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
1579         CFG_ALTERED in the main DOM iteration loop.
1580
1581 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
1582
1583         PR c++/19916
1584         * varasm.c (initializer_constant_valid_p): Allow conversions
1585         between OFFSET_TYPEs.  Tidy.
1586
1587 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
1588
1589         * config/cris/cris.md ("return"): Remove epilogue delay list
1590         sanity check.
1591
1592 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
1593
1594         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
1595         for Thumb.
1596         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
1597
1598 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
1599
1600         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
1601         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
1602         config/m68k/m68k.c, config/mips/mips.h,
1603         config/rs6000/rs6000-protos.h, doc/contrib.texi,
1604         doc/include/gcc-common.texi: Update copyright.
1605
1606         PR middle-end/18029 and PR middle-end/18030
1607         * expr.c (optimize_bitfield_assignment_op): Add a special case
1608         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
1609
1610         * fold-const.c (fold_unary): New.
1611         (fold): Call fold_unary on unary expressions.
1612
1613 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
1614
1615         * cgraph.h (struct cgraph_edge): Add prev_caller and
1616         prev_callee fields.
1617         (cgraph_node_remove_callees): Export.
1618         * cgraph.c (cgraph_create_edge): Initialize prev_caller
1619         and prev_callee.
1620         (cgraph_edge_remove_callee): New function.
1621         (cgraph_edge_remove_caller): Likewise.
1622         (cgraph_remove_edge): Use.
1623         (cgraph_redirect_edge_callee): Likewise.
1624         (cgraph_node_remove_callees): New function.
1625         (cgraph_node_remove_callers): Likewise.
1626         (cgraph_remove_node): Use.
1627         * tree-optimize.c (tree_rest_of_compilation): Use
1628         cgraph_node_remove_callees instead of manual loop.
1629         * cgraphunit.c (cgraph_finalize_function): Likewise.
1630         (cgraph_expand_function): Likewise.
1631         (cgraph_remove_unreachable_nodes): Likewise.
1632
1633 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
1634
1635         PR c/8927
1636         * c-tree.h (undeclared_variable, build_external_ref): Add extra
1637         argument.
1638         * c-decl.c (undeclared_variable): Take location as argument.
1639         * c-typeck.c (build_external_ref): Likewise.
1640         * c-parser.c (c_parser_postfix_expression): Pass location of
1641         identifier to build_external_ref.
1642
1643 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
1644
1645         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
1646         CCEQ mode for branch_positive_comparison_operator test.
1647         * config/rs6000/predicates (branch_comparison_operator): Revert to
1648         define_predicate.
1649         (scc_comparison_operator): Same.
1650         (branch_positive_comparison_operator): Same.
1651
1652 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
1653
1654         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
1655         (cris_delay_slots_for_epilogue): Remove.
1656         (save_last): Move into cris_target_asm_function_epilogue.
1657         (cris_target_asm_function_epilogue): Remove tests for file being
1658         NULL.
1659         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
1660         (cris_delay_slots_for_epilogue): Remove prototypes.
1661         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
1662         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
1663
1664 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
1665
1666         * config/rs6000/predicates.md (branch_comparison_operator): Change
1667         to define_special_predicate.
1668         (scc_comparison_operator): Same.
1669         (branch_positive_comparison_operator): Same.
1670
1671 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
1672
1673         * Makefile.in (tree-ssa-sink.o): New.
1674         (OBJS-common): Add tree-ssa-sink.o.
1675         * common.opt: Add -ftree-sink
1676         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
1677         * timevar.def (TV_TREE_SINK): new timevar.
1678         * tree-flow.h (is_hidden_global_store): Prototype.
1679         * tree-optimize.c (init_tree_optimization_passes): Add
1680         pass_sink_code.
1681         * tree-pass.h (pass_sink_code): New.
1682         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
1683         for non-obvious global store store to is_hidden_global_store, and
1684         call that new function.
1685         * tree-ssa-sink.c: New file.
1686         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
1687         * doc/passes.texi: Document forward store motion.
1688         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
1689         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
1690         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
1691         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
1692
1693 2005-03-01  Per Bothner  <per@bothner.com>
1694
1695         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
1696         and we have a non-zero column-number, add it to the message.
1697         Also factor out the diagnostic_kind_text.
1698
1699 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
1700
1701         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
1702         flow_loop_pre_header_scan, flow_loop_pre_header_find,
1703         flow_loop_scan): Removed.
1704         (flow_loop_dump): Do not dump removed fields.
1705         (flow_loop_free): Do not free removed fields.
1706         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
1707         (loop_exit_edge_p): New function.
1708         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
1709         num_pre_header_edges, entry_edges, num_entries, exit_edges,
1710         num_exits, exits_doms.
1711         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
1712         LOOP_EDGES, LOOP_ALL): Removed.
1713         (flow_loop_scan): Declaration removed.
1714         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
1715         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
1716         flow_loops_find.
1717         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
1718         (if_convert): Call flow_loops_find and flow_loops_free
1719         when calling mark_loop_exit_edges.
1720         * cfgloopanal.c (mark_loop_exit_edges): Moved from
1721         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
1722         free_dominance_info calls.
1723         * loop-init.c (flow_loops_find): Ditto.
1724         * passes.c (rest_of_handle_branch_prob): Ditto.
1725         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
1726         * loop-unroll.c (analyze_insns_in_loop): Do not use
1727         EDGE_LOOP_EXIT.
1728         * predict.c (predict_loops): Do not call flow_loop_scan.
1729         Use get_loop_exit_edges.
1730         (tree_estimate_probability): Do not pass flags to flow_loops_find.
1731         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
1732         Do not use EDGE_LOOP_EXIT.
1733         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
1734         to bb_with_exit_edge_p.
1735         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
1736         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
1737         to bb_with_exit_edge_p.
1738         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
1739         EDGE_LOOP_EXIT.
1740         * tree-loop-linear.c (linear_transform_loops): Do not call
1741         flow_loop_scan.  Use loop->single_exit.
1742         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
1743         (vect_analyze_loop_form): Do not call flow_loop_scan.
1744         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
1745         loop->single_exit.
1746         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
1747         loop->single_exit.
1748         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
1749         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
1750         slpeel_tree_duplicate_loop_to_edge_cfg,
1751         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
1752         Use loop_preheader_edge and loop->single_exit.  Do not call
1753         flow_loop_scan.
1754
1755 2005-03-01  Nick Clifton  <nickc@redhat.com>
1756
1757         * config/arm/arm.c (thumb_find_work_register): Check all of the
1758         argument registers to see if they are free, and a couple of
1759         special cases where the last argument register but can be proved
1760         to be available during the function's prologue.
1761         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
1762         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
1763         thumb_unexpanded_epilogue): Use unsigned long as the type for the
1764         register bit-mask.
1765         (thumb_compute_save_reg_mask): Likewise.  Also use
1766         thumb_find_work_register() to ensure that there is agreement about
1767         which work register is going to be used in the prologue.
1768         (thumb_output_function_prologue): Use unsigned long as the type
1769         for the register bit-mask.  Also delay pushing the link register if
1770         other high registers are going to be pushed.
1771         (thumb_compute_save_reg_mask, emit_multi_reg_push,
1772         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
1773         redundant prototypes.
1774
1775 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
1776
1777         PR target/19819
1778         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
1779         and after reload in REG+REG indexed addresses without REG_POINTER
1780         set in the base and not set in the index.
1781
1782 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
1783
1784         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
1785         Don't undefine here.
1786         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
1787         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
1788         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
1789         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
1790         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
1791         Delete.
1792         * config.gcc (sh*-*-linux*): Use config/linux.h.
1793
1794 2005-02-28  Dale Johannesen  <dalej@apple.com>
1795             Stan Shebs  <shebs@apple.com>
1796
1797         Rewrite of 64-bit Darwin structure-by-value pass/return.
1798         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
1799         intoffset, use_stack, named.
1800         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
1801         (rs6000_darwin64_record_arg_advance_flush):  New.
1802         (rs6000_darwin64_record_arg_advance_recurse): New.
1803         (rs6000_darwin64_record_arg_flush):  New.
1804         (rs6000_darwin64_record_arg_recurse):  New.
1805         (rs6000_darwin64_record_arg):  New.
1806         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
1807         (function_arg_boundary):  Handle 128-bit aligned structs.
1808         (function_arg_advance):  Rewrite darwin64 struct handling.
1809         (function_arg):  Call rs6000_darwin64_record_arg.
1810         (function_arg_partial_nregs):  Handle darwin64 structs.
1811         (rs6000_darwin64_function_value):  Remove.
1812         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
1813
1814 2005-02-28  Roger Sayle  <roger@eyesopen.com>
1815
1816         PR tree-optimization/20216
1817         * tree-chrec.c (tree_fold_factorial): Delete.
1818         (tree_fold_binomial): Change argument list to take a return type
1819         and change the type of K to unsigned int.  Rewrite to avoid explicit
1820         evaluation of factorials, and (recursively) calling fold to perform
1821         compile-time arithmetic.  Return NULL on (internal) overflow.
1822         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
1823         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
1824         if any intermediate calculation overflows.
1825         (chrec_apply): Update call to chrec_evaluate.
1826
1827 2005-02-28  James E Wilson  <wilson@specifixinc.com>
1828
1829         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
1830
1831 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
1832
1833         PR c/20245
1834         * c-parser.c (c_parser_compound_statement): Return error_mark_node
1835         instead of NULL_TREE on error.
1836
1837 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
1838
1839         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
1840         (EASY_VECTOR_15_ADD_SELF): Remove.
1841         (num_insns_constant_wide): Not static.
1842         (validate_condition_mode): Not static.
1843         (toc_relative_expr_p): Not static.
1844         (legitimate_indirect_address_p): Not static.
1845         (macho_lo_sum_memory_operand): Not static.
1846         (invalid_e500_subreg): Not static.
1847         (easy_vector_same): Not static.
1848         (easy_vector_splat_const): Not static.
1849         (RS6000_SYMBOL_REF_TLS_P): Remove.
1850         (any_operand): Delete.
1851         (any_parallel_operand): Delete.
1852         (count_register_operand): Delete.
1853         (altivec_register_operand): Delete.
1854         (xer_operand): Delete.
1855         (s8bit_cint_operand): Delete.
1856         (short_cint_operand): Delete.
1857         (u_short_cint_operand): Delete.
1858         (non_short_cint_operand): Delete.
1859         (exact_log2_cint_operand): Delete.
1860         (gpc_reg_operand): Delete.
1861         (cc_reg_operand): Delete.
1862         (cc_reg_not_cr0_operand): Delete.
1863         (reg_or_short_operand): Delete.
1864         (reg_or_neg_short_operand): Delete.
1865         (reg_or_aligned_short_operand): Delete.
1866         (reg_or_u_short_operand): Delete.
1867         (reg_or_cint_operand): Delete.
1868         (reg_or_arith_cint_operand): Delete.
1869         (reg_or_add_cint64_operand): Delete.
1870         (reg_or_sub_cint64_operand): Delete.
1871         (reg_or_logical_cint_operand): Delete.
1872         (got_operand): Delete.
1873         (got_no_const_operand): Delete.
1874         (easy_fp_constant): Delete.
1875         (easy_vector_constant): Delete.
1876         (easy_vector_constant_add_self): Delete.
1877         (zero_constant): Delete.
1878         (zero_fp_constant): Delete.
1879         (volatile_mem_operand): Delete.
1880         (offsettable_mem_operand): Delete.
1881         (mem_or_easy_const_operand): Delete.
1882         (add_operand): Delete.
1883         (non_add_cint_operand): Delete.
1884         (logical_operand): Delete.
1885         (non_logical_cint_operand): Delete.
1886         (mask_operand): Delete.
1887         (mask_operand_wrap): Delete.
1888         (mask64_operand): Delete.
1889         (mask64_2_operand): Delete.
1890         (and64_operand): Delete.
1891         (and64_2_operand): Delete.
1892         (and_operand): Delete.
1893         (reg_or_mem_operand): Delete.
1894         (lwa_operand): Delete.
1895         (symbol_ref_operand): Delete.
1896         (call_operand): Delete.
1897         (current_file_function_operand): Delete.
1898         (input_operand): Delete.
1899         (rs6000_nonimmediate_operand): Delete.
1900         (rs6000_tls_symbol_ref): Delete.
1901         (save_world_operation): Delete.
1902         (restore_world_operation): Delete.
1903         (load_multiple_operation): Delete.
1904         (store_multiple_operation): Delete.
1905         (vrsave_operation): Delete.
1906         (mfcr_operation): Delete.
1907         (mtcrf_operation): Delete.
1908         (lmw_operation): Delete.
1909         (stmw_operation): Delete.
1910         (branch_comparison_operator): Delete.
1911         (branch_positive_comparison_operator): Delete.
1912         (scc_comparison_operator): Delete.
1913         (trap_comparison_operator): Delete.
1914         (boolean_operator): Delete.
1915         (boolean_or_operator): Delete.
1916         (min_max_operator): Delete.
1917         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
1918         (EASY_VECTOR_15): Moved to here.
1919         (EASY_VECTOR_15_ADD_SELF): Move to here.
1920         (PREDICATE_CODES): Delete.
1921         * config/rs6000/rs6000-protos.h: Delete predicate functions.
1922         Declare functions no longer static.
1923         * config/rs6000/predicates.md: New.
1924         * config/rs6000/rs6000.md: Include predicates.md
1925
1926 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
1927
1928         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
1929         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
1930         REG_ALWAYS_RETURN.
1931         * cfgrtl.c (need_fake_edge_p): Likewise.
1932         * combine.c (distribute_notes): Likewise.
1933         * emit-rtl.c (try_split): Likewise.
1934         * recog.c (peephole2_opimize): Likewise.
1935         * reg-notes.def (ALWAYS_RETURN): Remove.
1936         * rtl.h (LCT_ALWAYS_RETURN): Remove.
1937         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
1938         * tree.h (ECF_ALWAYS_RETURN): Remove.
1939
1940 2005-02-28  Roger Sayle  <roger@eyesopen.com>
1941
1942         PR middle-end/19874
1943         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
1944         between different machine modes is never a "useless" conversion.
1945
1946 2005-02-28  Geert Bosch  <bosch@gnat.com>
1947
1948         PR ada/15977
1949         * doc/contrib.texi: List contributors for Ada front end
1950
1951 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
1952
1953         * simplify-rtx.c (simplify_unary_operation_1,
1954         simplify_const_unary_operation): New, extracted from...
1955         (simplify_unary_operation): ... this one.
1956         (simplify_binary_operation_1,
1957         simplify_const_binary_operation): New, extracted from...
1958         (simplify_binary_operation): ... this one.
1959         * rtl.h (simplify_const_unary_operation,
1960         simplify_const_binary_operation): Add prototypes.
1961
1962 2005-02-28  Julian Brown  <julian@codesourcery.com>
1963
1964         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
1965         building libjava and caused PR regression/20228.
1966
1967 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
1968
1969         PR bootstrap/17383
1970         * Makefile.in (host_subdir): New.
1971         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
1972         * configure: Regenerate.
1973
1974 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
1975
1976         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
1977         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
1978         installation directory first.
1979
1980 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
1981
1982         PR target/19065.
1983         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
1984         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
1985         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
1986         * config/cris/cris.md: Tweak comments referring to Q.
1987         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
1988         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
1989         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
1990         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
1991         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
1992         Insert spaces in constraints to align alternatives vertically for
1993         readability.
1994         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
1995         operand 1: "M".
1996
1997 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1998
1999         PR rtl-optimization/17728
2000         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
2001         operand 0 from general_operand to move_dest_operand.
2002
2003 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2004
2005         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
2006         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
2007         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
2008         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
2009
2010 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
2011
2012         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
2013         * configure: Regenerate.
2014         * libada-mk.in: Remove CC; rename
2015         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
2016
2017 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
2018
2019         PR tree-opt/20188
2020         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
2021         for the lhs, also walk over the tree.  Likewise for rhs.
2022
2023 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
2024
2025         * tree-ssa-dom.c (simple_iv_increment_p): New function.
2026         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
2027         Do not propagate value of iv before increment over the increment.
2028
2029 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
2030
2031         * c-parser.c: New file.
2032         * c-parse.in: Remove.
2033         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
2034         Remove.
2035         (c-parser.o): Add dependencies.
2036         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
2037         maintainer-clean, TAGS): Update.
2038         * c-config-lang.in (gtfiles): Update.
2039         * gengtype-lex.l: Don't handle "@@".
2040         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
2041         objc_build_synchronized, objc_begin_try_stmt,
2042         objc_begin_catch_clause, objc_finish_catch_clause,
2043         objc_build_finally_clause, objc_finish_try_stmt): New.
2044         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
2045         type_seen_p.
2046         (c_parse_init): Update comment.
2047         * c-decl.c (c_init_decl_processing): Update comment.
2048         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
2049         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
2050         new c_declspecs members.
2051
2052 2005-02-25  Julian Brown  <julian@codesourcery.com>
2053
2054         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
2055         from being used for symbols with vague linkage when
2056         HAVE_GAS_COMDAT_GROUP is true.
2057
2058 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
2059
2060         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
2061
2062 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
2063
2064         PR target/19930
2065         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
2066         (LIBGCC2_HAS_DF_MODE): New.
2067         (LIBGCC2_HAS_XF_MODE): New.
2068         (LIBGCC2_HAS_TF_MODE): New.
2069         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
2070         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
2071         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
2072         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
2073         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
2074         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
2075         and add _fixtfdi, _fixunstfdi, _floatditf
2076         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
2077         L_fixunstfdi, L_floatditf.
2078         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
2079         (LIBGCC2_HAS_TF_MODE): Define.
2080
2081 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
2082
2083         PR tree-optimization/20204
2084         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
2085         REWRITE_THIS_STMT markers on PHI nodes.
2086         (rewrite_initialize_block): Likewise.
2087
2088 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
2089
2090         * version.c (version_string): Update to 4.1.
2091
2092 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
2093
2094         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
2095         Clarify that the alternative way doesn't work in GNU C++.
2096
2097 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
2098
2099         PR tree-optimization/19937
2100         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
2101         to the type of the induction variable.
2102
2103 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
2104
2105         PR rtl-optimization/20117
2106         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
2107         the block including noncopyable insn.
2108
2109 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
2110
2111         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
2112         calls to find_reg_note.
2113
2114 2005-02-24  Richard Henderson  <rth@redhat.com>
2115
2116         PR tree-opt/20127
2117         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
2118         the type.
2119
2120 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
2121
2122         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
2123         vector types if to use base reg for misaligned non-word ld/std.
2124
2125 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
2126
2127         PR target/14619
2128         * config/cris/cris.c (cris_target_asm_function_prologue): Create
2129         dwarf2 label manually and put it after, not before the prologue.
2130
2131 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
2132
2133         PR target/19019
2134         * reload.c (operands_match_p): Only increment register number for
2135         SCALAR_INT_MODE_P modes in multiple hard registers.
2136
2137         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
2138         Fix formatting.
2139
2140 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2141
2142         * ChangeLog.5: Fix log message typo(s).
2143         * ChangeLog.7: Likewise.
2144         * ChangeLog.tree-ssa: Likewise.
2145         * cfgexpand.c: Fix comment typo(s).
2146         * conflict.c: Likewise.
2147         * defaults.h: Likewise.
2148         * dwarf2out.c: Likewise.
2149         * gcse.c: Likewise.
2150         * ggc-page.c: Likewise.
2151         * tree-eh.c: Likewise.
2152         * tree-ssa-dom.c: Likewise.
2153
2154 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
2155
2156         PR target/19019
2157         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
2158         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
2159         if SHARED is defined.
2160
2161         PR target/20196
2162         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
2163         allow splitting only if operands 0 and 3 don't overlap.
2164
2165 2005-02-24  Richard Henderson  <rth@redhat.com>
2166
2167         PR middle-end/19953
2168         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
2169         (fold_builtin_1): Call them.
2170         * fold-const.c (fold_complex_mult_parts): Split out from ...
2171         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
2172         (fold_complex_div_parts, fold_complex_div): New.
2173         (fold): Use them.
2174         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
2175
2176 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2177
2178         * tree-ssa-ccp.c (visit_assignment): Verify that result of
2179         VIEW_CONVERT_EXPR is_gimple_min_invariant.
2180
2181         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
2182         (print_node): Likewise.
2183         Print TYPE_SIZES_GIMPLIFIED.
2184
2185 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
2186
2187         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
2188         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
2189         operands as commutative in constraints.
2190
2191 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
2192
2193         * tree-into-ssa.c: Re-organize internal functions.
2194
2195 2005-02-24  Richard Henderson  <rth@redhat.com>
2196
2197         PR middle-end/18902
2198         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
2199         for c99.
2200         * common.opt (fcx-limited-range): New.
2201         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
2202         * toplev.c (flag_complex_method): Initialize to 1.
2203         (process_options): Set flag_complex_method to 0 if
2204         flag_cx_limited_range.
2205         * doc/invoke.texi (-fcx-limited-range): New.
2206
2207 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
2208
2209         * cse.c (delete_trivially_dead_insns): Speed up by using
2210         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
2211         prev_real_insn.
2212
2213 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
2214
2215         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
2216         functions when -mid-shared-library is being used.
2217
2218 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
2219
2220         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
2221         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
2222         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
2223         * system.h: Poison LINK_LIBGCC_SPECIAL.
2224
2225 2005-02-23  James E Wilson  <wilson@specifixinc.com>
2226
2227         * gengtype.c (note_insn_name): Make 1 element larger.
2228
2229 2005-02-23  Roger Sayle  <roger@eyesopen.com>
2230
2231         PR target/20018
2232         PR rtl-optimization/20097
2233         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
2234         BImode SUBREGs of SImode registers which confuse the ia64 backend.
2235
2236 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
2237
2238         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
2239         * t-aix52 (SHLIB_INSTALL): Same.
2240
2241 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
2242
2243         * genpreds.c: Update copyright.
2244
2245 2005-02-23  Michael Beach  <michaelb@ieee.org>
2246
2247         PR target/20159
2248         * config/sparc/t-elf (startup files): Assemble with CPP.
2249
2250 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
2251
2252         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
2253         (write_predicate_expr): Likewise.
2254
2255 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
2256
2257         PR tree-optimization/20100
2258         PR tree-optimization/20115
2259         * tree-optimize.c (init_tree_optimization_passes): Remove
2260         pass_maybe_create_global_var.
2261         * tree-pass.h (pass_maybe_create_global_var): Remove.
2262         * tree-ssa-alias.c (aliases_computed_p): Declare.
2263         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
2264         (count_calls_and_maybe_create_global_var): Remove.
2265         (pass_maybe_create_global_var): Remove.
2266         (init_alias_info): Do not declare aliases_computed_p.
2267         (maybe_create_global_var): If the function contains no
2268         call-clobbered variables and a mix of pure/const and regular
2269         function calls, create .GLOBAL_VAR.
2270         Mark all call-clobbered variables for renaming.
2271         (merge_pointed_to_info): Update comment.
2272         (add_pointed_to_var): Likewise.
2273         (is_escape_site): Likewise.
2274         Accept struct alias_info * instead of size_t *.
2275         Update all users.
2276         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
2277         as necessary.
2278         * tree-ssa-operands.c (get_call_expr_operands): If
2279         ALIASES_COMPUTED_P is false, do not add call-clobbering
2280         operands.
2281         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
2282         (delete_tree_ssa): Likewise.
2283
2284 2005-02-22  James E Wilson  <wilson@specifixinc.com>
2285
2286         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
2287         (do_compile): Do call it here.
2288
2289 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
2290
2291         PR rtl-optimization/20017.
2292         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
2293         rest_of_handle_cse2, rest_of_handle_gcse): Call
2294         delete_dead_jumptables immediately before calling cleanup_cfg.
2295
2296 2005-02-22  Devang Patel  <dpatel@apple.com>
2297
2298         PR 19952
2299         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
2300         all labels
2301
2302 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
2303
2304         * config/rs6000/aix.h (WINT_TYPE): Define.
2305
2306 2005-02-22  Stan Shebs  <shebs@apple.com>
2307
2308         * config/rs6000/rs6000.c (rs6000_override_options): Default to
2309         natural alignment for 64-bit Darwin.
2310         (rs6000_parse_alignment_option): Warn about uses of -malign-power
2311         on 64-bit Darwin.
2312         * doc/invoke.texi: Document this.
2313
2314 2005-02-22  DJ Delorie  <dj@redhat.com>
2315
2316         * c-common.c (c_common_type_for_mode): Pass the mode's precision
2317         to make_[un]signed_type, not the mode itself.
2318
2319 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
2320
2321         * cfg.c (cached_make_edge): Call make_edge if edge cache is
2322         not available.  Use tail calls wherever possible.
2323         (make_edge): Call unchecked_make_edge to create an edge.
2324
2325         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
2326         (coalesce_ssa_name): Don't check for
2327         SSANORM_USE_COALESCE_LIST.
2328         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
2329
2330 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
2331
2332         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
2333         (rewrite_into_ssa): ... here.
2334
2335 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
2336
2337         PR tree-optimization/19786
2338         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
2339         tag to another's may-alias bitmap when adding to the other's list.
2340
2341 2005-02-21  DJ Delorie  <dj@redhat.com>
2342
2343         * tree-ssa-loop-ivopts.c (computation_cost): Start register
2344         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
2345         registers in unsupported ways.
2346         * expmed.c (init_expmed): Likewise.
2347
2348 2005-02-21  Stan Cox  <scox@redhat.com>
2349
2350         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
2351
2352 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
2353
2354         * tree-cfg.c (fold_cond_expr_cond): New.
2355         (make_edges): Call fold_cond_expr_cond.
2356         (find_taken_edge): Accept nothing but INTEGER_CST.
2357         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
2358         and 1.
2359         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
2360
2361         * flow.c (delete_dead_jumptables): Speed up by scanning insns
2362         that do not belong to any basic block.
2363
2364 2005-02-21  Jeff Law  <law@redhat.com>
2365
2366         * cfganal.c (find_unreachable_blocks): Manually CSE load of
2367         e->dest.
2368
2369 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
2370
2371         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
2372         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
2373         Adjust their definitions.
2374         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
2375         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
2376
2377         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
2378         genautomata.c, langhooks.c, langhooks.h, system.h,
2379         config/arm/lib1funcs.asm: Update copyright.
2380
2381 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
2382
2383         * dbxout.c (dbxout_function_end): Emit Lscope label always.
2384
2385 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
2386
2387         PR bootstrap/13770
2388         * doc/install.texi: Document --with-gc.
2389
2390 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
2391
2392         * simplify-rtx.c (simplify_unary_operation): Add a missing
2393         "break" statement.
2394
2395 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
2396
2397         PR tree-optimization/18663
2398         * tree-ssa-dom.c (extract_range_from_cond): Return 0
2399         if the type has variable bounds.
2400
2401 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
2402
2403         * gcse.c: Remove an obsolete comment.
2404
2405         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
2406
2407 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
2408
2409         * doc/extend.texi (Function Attributes) <Attribute const>: The
2410         attribute "pure" is below this text, not above.
2411
2412 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2413
2414         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
2415         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
2416         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
2417
2418 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
2419
2420         PR 18785
2421         * langhooks.h (struct lang_hooks): Add to_target_charset.
2422         * langhooks.c (lhd_to_target_charset): New function.
2423         * langhooks-def.h: Declare lhd_to_target_charset.
2424         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
2425         (LANG_HOOKS_INITIALIZER): Update.
2426         * c-common.c (c_common_to_target_charset): New function.
2427         * c-common.h: Declare it.
2428         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
2429         c_common_to_target_charset.
2430
2431         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
2432         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
2433         Delete definitions.
2434         * system.h: Poison them.
2435         * doc/tm.texi: Don't discuss them.
2436         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
2437         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
2438         (pp_c_char): Do not attempt to generate letter escapes for
2439         newline, tab, etc.
2440         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
2441         * config/mips/mips.c (mips_output_ascii): Likewise.
2442
2443 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
2444
2445         PR tree-optimization/19951
2446         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
2447         is abnormal.
2448
2449 2005-02-19  Steven Bosscher  <stevenb@suse.de>
2450
2451         PR middle-end/19698
2452         * function.h (struct function): New field `max_loop_depth'.
2453         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
2454         (flow_loops_find): Reset the max loop depth count before finding loops.
2455         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
2456         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
2457         (calculate_global_regs_live): Make sure the loop will terminate
2458         when the initial sets are not empty.
2459
2460 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
2461
2462         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
2463         object inside.
2464         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
2465
2466 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
2467
2468         PR other/19525
2469         * doc/invoke.texi: Remove documentation of %M spec.
2470         * gcc.c: Likewise.
2471         (init_spec): Remove %M suffix from -lgcc_s.
2472         (do_spec_1): Remove 'M' case.
2473         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
2474         to put shared libraries in the multilib directory.  Remove the
2475         shlib_so_soname substitution variable.  Don't add a multilib encoding
2476         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
2477         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
2478         SHLIB_INSTALL as well as SHLIB_LINK.
2479         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
2480         (SHLIB_NAME): Delete.
2481         (SHLIB_DIR): New macro.
2482         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
2483         (SHLIB_INSTALL): Adjust accordingly.
2484         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
2485         * config/t-slibgcc-sld: Likewise.
2486         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
2487         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
2488         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
2489         in $(SHLIB_DIR).
2490         (SHLIBUNWIND_INSTALL): Adjust accordingly.
2491         * config/i386/t-nwld (SHLIB_SONAME): Delete.
2492         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
2493         Use @shlib_base_name@ instead of @shlib_so_name@.
2494         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
2495         and @shlib_base_name@.so in @multilib_dir@.
2496         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
2497         to the install path.
2498         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
2499         (SHLIB_LINK): Remove previous workaround.
2500         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
2501         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
2502         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
2503         the install path.
2504         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
2505         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
2506         (SHLIB_INSTALL): Adjust accordingly.
2507         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
2508         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
2509         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
2510         config/t-slibgcc-elf-ver.
2511
2512 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
2513             Jakub Jelinek  <jakub@redhat.com>
2514
2515         PR tree-optimization/19828
2516         * tree-ssa-loop-im.c: Add a TODO comment.
2517         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
2518         without side-effects.
2519
2520 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
2521
2522         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
2523         call fold_convert.
2524
2525 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
2526
2527         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
2528         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
2529         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
2530         functions.
2531         (ia64_reorg): Delete fixup_errata call.
2532         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
2533         (TARGET_SWITCHES): Delete -mb-step entry.
2534
2535 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
2536
2537         PR c/20043
2538         * c-typeck.c (composite_type): Handle quals in transparent unions.
2539         (type_lists_compatible_p): Likewise.
2540
2541 2005-02-18  Stan Shebs  <shebs@apple.com>
2542
2543         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
2544         expressions in the .literal8 section.
2545
2546 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
2547
2548         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
2549
2550 2005-02-18  Roger Sayle  <roger@eyesopen.com>
2551
2552         * fold-const.c (constant_boolean_node): Always create values of the
2553         specified type, don't bother calling truthvalue_conversion.
2554
2555 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
2556
2557         * except.c (output_function_exception_table): Call
2558         assemble_external_libcall (eh_personality_libfunc).
2559
2560 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
2561
2562         PR target/19886
2563         * config/ia64/ia64.h (struct machine_function): Add state_num.
2564         * config/ia64/ia64.c (process_epilogue,
2565         process_for_unwind_directive): Use new unwind state numbers each
2566         time rather than state 1.
2567
2568 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
2569
2570         PR target/20054
2571         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
2572         before the "*llgt_didi" pattern.
2573
2574 2005-02-18  Jason Merrill  <jason@redhat.com>
2575
2576         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
2577
2578 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
2579
2580         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
2581         (div0): Use it in place of ARM_FUNC_ALIAS.
2582         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
2583
2584 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
2585
2586         PR middle-end/20030
2587         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
2588         access, the lower bound of the array type if it exists.
2589
2590 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
2591
2592         PR c++/20008
2593         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
2594         cases that are out-of-range for the index type.
2595
2596 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
2597
2598         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
2599         (estimate_case_costs): Don't call convert.
2600         * expmed.c (expand_shift): Likewise.
2601         (make_tree): Call fold_convert instead of convert.
2602
2603 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
2604
2605         PR c++/19813
2606         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
2607         that ref to be marked MEM_READONLY_P doesn't have base that needs
2608         constructing.
2609
2610 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
2611
2612         * genautomata.c (output_get_cpu_unit_code_func,
2613         output_cpu_unit_reservation_p): Don't generate old-style function
2614         definitions.
2615
2616 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
2617
2618         PR c++/20023
2619         PR tree-optimization/20009
2620         * convert.c (convert_to_integer): Revert 2005-02-16 change.
2621
2622         PR tree-optimization/18947
2623         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
2624         inline, remove all nodes that are inlined into the extern inline
2625         being redefined.
2626
2627 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
2628
2629         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
2630         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
2631         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
2632         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
2633         Update copyright.
2634
2635 2005-02-17  Roger Sayle  <roger@eyesopen.com>
2636
2637         PR tree-optimization/19917
2638         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
2639         to be potentially trapping.
2640
2641 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
2642
2643         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
2644
2645 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
2646
2647         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
2648         tem becomes a local variable which is set to the value of the
2649         back end defined INITIAL_FRAME_ADDRESS macro.
2650         (expand_builtin_frame_address): Omit the base parameter to
2651         expand_builtin_return_addr.
2652         (expand_builtin_profile_func): Likewise.
2653         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
2654         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
2655         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
2656
2657 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
2658
2659         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
2660         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
2661         * config/frv/frv.c (frv_function_epilogue): Likewise.
2662
2663 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
2664
2665         * lambda-code (perfect_nestify): Remove mark/unmark
2666         for rewriting hack.
2667         * tree-loop-linear.c (linear_transform_loops): Add
2668         rewrite_into_ssa call so that ssa is correct for
2669         rewriting into loop closed.
2670
2671 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
2672
2673         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
2674         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
2675         BITMAP_FREE.
2676         * bt-load.c (btr_def_live_range, combine_btr_defs,
2677         migrate_btr_def, migrate_btr_defs): Likewise.
2678         * cfgcleanup.c (thread_jump): Likewise.
2679         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
2680         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
2681         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
2682         df_rd_local_compute, df_reg_info_compute): Likewise.
2683         * dominance.c (init_dom_info, free_dom_info): Likewise.
2684         * flow.c (init_propagate_block_info,
2685         free_propagate_block_info): Likewise.
2686         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
2687         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
2688         modify_reg_pav): Likewise.
2689         * loop-invariant.c (find_defs, find_invariant_insn,
2690         find_invariants, free_inv_motion_data): Likewise.
2691         * predict.c (tree_predict_by_opcode,
2692         estimate_bb_frequencies): Likewise.
2693         * stmt.c (expand_case): Likewise.
2694         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
2695         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
2696         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
2697         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
2698         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
2699         rewrite_ssa_into_ssa): Likewise.
2700         * tree-optimize.c (tree_rest_of_compilation): Likewise.
2701         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
2702         analyze_edges_for_bb, perform_edge_inserts): Likewise.
2703         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
2704         * tree-sra.c (tree_sra): Likewise.
2705         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
2706         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
2707         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
2708         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
2709         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
2710         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
2711         Likewise.
2712         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
2713         calculate_live_on_entry, calculate_live_on_exit,
2714         build_tree_conflict_graph): Likewise.
2715         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
2716         record_important_candidates, set_use_iv_cost, find_depends,
2717         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
2718         tree_ssa_iv_optimize_finalize): Likewise.
2719         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
2720         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
2721         tree_duplicate_loop_to_header_edge): Likewise.
2722         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
2723         * tree-ssa.c (verify_flow_insensitive_alias_info,
2724         verify_name_tags, verify_ssa, init_tree_ssa,
2725         delete_tree_ssa): Likewise.
2726         * tree-ssanames.c (marked_ssa_names, init_ssanames,
2727         fini_ssanames): Likewise.
2728         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
2729
2730 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
2731
2732         * config/rs6000/t-rtems: Completely reworked.
2733
2734 2005-02-17  Ira Rosen  <irar@il.ibm.com>
2735
2736         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
2737
2738 2005-02-17  Ira Rosen  <irar@il.ibm.com>
2739
2740         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
2741         POINTER_TYPE_P when checking that type is a pointer.
2742         (vect_get_memtag): Remove.
2743         (vect_address_analysis): Use POINTER_TYPE_P. Call
2744         vect_object_analysis with dummy parameter for memtag.
2745         (vect_object_analysis): Extract memtag (functionality that
2746         used to be in vect_get_memtag and moved here). Fix printings.
2747         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
2748         with correct parameters. Remove call to vect_get_memtag.
2749
2750 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
2751
2752         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
2753         (tree-vectorizer.o): Added missing dependencies.
2754
2755         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
2756         decleration.
2757         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
2758         declaration in tree-vectorizer.c, now has an extern declaration in
2759         tree-vectorizer.h).
2760         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
2761         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
2762         get_vectype_for_scalar_type, vect_is_simple_use,
2763         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
2764         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
2765         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
2766         vectorizable_store, vectorizable_operation, vectorizable_assignment,
2767         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
2768         find_loop_location): Likewise.
2769
2770         * tree-vectorizer.c (langhooks.h): #include removed.
2771         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
2772         moved to tree-vectorized.h.
2773         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
2774         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
2775         get_vectype_for_scalar_type, vect_is_simple_use,
2776         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
2777         vect_supportable_dr_alignment, new_loop_vec_info,
2778         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
2779         vect_set_verbosity_level, find_loop_location): Likewise.
2780
2781         (vect_analyze_loop): Function externalized. Declaration moved to
2782         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
2783         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
2784         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
2785         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
2786         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
2787         vect_enhance_data_refs_alignment, vect_analyze_operations,
2788         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
2789         vect_stmt_relevant_p, vect_get_loop_niters,
2790         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
2791         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
2792         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
2793         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
2794         vect_get_memtag): Likewise.
2795
2796         (vectorizable_load): Function externalized. Declaration moved to
2797         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
2798         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
2799         vect_transform_loop): Likewise.
2800         (vect_transform_stmt): Moved to tree-vect-transform.c.
2801         (vect_align_data_ref, vect_create_destination_var,
2802         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
2803         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
2804         vect_get_vec_def_for_operand, vect_init_vector,
2805         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
2806         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
2807         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
2808         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
2809         vect_do_peeling_for_loop_bound): Likewise.
2810
2811         * tree-vect-analyze.c: New file.
2812         * tree-vect-transform.c: New file.
2813
2814 2005-02-17  Jason Merrill  <jason@redhat.com>
2815
2816         PR mudflap/19319, c++/19317
2817         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
2818         slot explicit.
2819
2820 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
2821
2822         * doc/install.texi (Specific): Update link for Darwin-specific
2823         tool binary site.
2824
2825 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
2826
2827         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
2828         constant_boolean_node.
2829
2830 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
2831
2832         PR target/19019
2833         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
2834         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
2835
2836 2005-02-16  Richard Henderson  <rth@redhat.com>
2837
2838         PR 19920
2839         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
2840         with W_TYPE_SIZE.
2841         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
2842         replace uses with Wtype_MAXp1_F.
2843         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
2844         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
2845         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
2846         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
2847         and HAVE_TFMODE as appropriate.
2848         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
2849         (__floatdisf): Likewise.
2850         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
2851         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
2852         (Wtype_MAXp1_F): New.
2853         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
2854         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
2855
2856 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
2857
2858         * PR target/19162
2859         * arm.c (arm_apply_result_size): New function.
2860         * arm.h (APPLY_RESULT_SIZE): Define.
2861         * arm-protos.h (arm_apply_result_size): Add prototype.
2862         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
2863         (movxf): New expand.
2864         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
2865         (call_value_symbol): Remove predicate for operand 0.
2866         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
2867         (untyped_call): Rework to correclty return values for any type.
2868         (untyped_return): New expand.
2869         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
2870
2871 2005-02-16  Stan Shebs  <shebs@apple.com>
2872
2873         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
2874         * config/rs6000/t-darwin8: New, for 64-bit multilib.
2875
2876 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
2877
2878         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
2879         configure settings on Solaris 7 and later.
2880
2881 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
2882
2883         PR tree-optimization/19865
2884         * tree-optimize.c (init_tree_optimization_passes): Run
2885         pass_may_alias after pass_sra.
2886
2887 2005-02-16  Richard Henderson  <rth@redhat.com>
2888             Stuart Hastings  <stuart@apple.com>
2889
2890         PR debug/19521
2891         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
2892         Do nothing if debug info suppressed for this function.
2893         (dbxout_begin_function): Early exit if debug info suppressed for
2894         this function.
2895
2896 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
2897
2898         PR target/20007
2899         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
2900         find_basic_blocks.
2901         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
2902
2903         PR tree-optimization/19967
2904         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
2905         expand_builtin_strchr, expand_builtin_strrchr): Take a new
2906         argument TYPE.  Adjust calls to fold_builtin_XXX.
2907         (expand_builtin, fold_builtin_1): Adjust calls to
2908         expand_builtin_XXX.
2909         (fold_builtin_strchr, fold_builtin_strpbrk,
2910         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
2911         result to a requested type TYPE.
2912
2913 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
2914
2915         PR middle-end/19857
2916         * fold-const.c (fold): Don't optimize (T)(x & cst) to
2917         (T)x & (T)cst if (T)cst overflows.
2918         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
2919         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
2920
2921 2005-02-15  Jeff Law  <law@redhat.com>
2922
2923         * gcse.c (blocks_with_calls): New bitmap.
2924         (alloc_gcse_mem): Allocate it.
2925         (free_gcse_mem): Free it.
2926         (clear_modifY_mem_tables): Clear it.
2927         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
2928         when we encounter CALL_INSNs.
2929         (compute_transp, case MEM): Handle blocks with calls separate
2930         from blocks without calls.  Use bitmap iterators rather than
2931         FOR_EACH_BB.
2932
2933 2005-02-15  Peter O'Gorman  <peter@pogma.com>
2934
2935         PR bootstrap/18810
2936         * mklibgcc.in (vis_hide): Use a temporary object file, not
2937         -o /dev/null.
2938
2939 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
2940
2941         PR target/19924
2942         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
2943         access optimization.
2944
2945 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
2946             Alan Modra  <amodra@bigpond.net.au>
2947
2948         PR target/19019
2949         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
2950         (_xlqsub): Rename to __gcc_qsub.
2951         (_xlqmul): Rename to __gcc_qmul.
2952         (_xlqdiv): Rename to __gcc_qdiv.
2953         Provide versioned symbol aliases with old names.
2954         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
2955         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
2956         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
2957         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
2958         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
2959
2960 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
2961
2962         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
2963         Fold ~(A - 1) and ~(A + -1) to -A.
2964
2965 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
2966
2967         PR pch/14940
2968         PR target/19300
2969         * config/host-linux.c (linux_gt_pch_use_address): Copy from
2970         config/pa/pa-host.c:pa_gt_pch_use_address.
2971
2972 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
2973
2974         * tree-vn.c (get_value_handle): Make sure that given an
2975         is_gimple_min_invariant expression, we always return it.
2976
2977 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
2978
2979         * passes.c (rest_of_handle_gcse): Fix a comment.
2980
2981 2005-02-15  Jeff Law  <law@redhat.com>
2982
2983         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
2984         bitmap.
2985         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
2986         (canon_list_insert, record_last_mem_set_info): Similarly.
2987         (clear_modify_mem_tables): Similarly.
2988
2989 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
2990
2991         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
2992         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
2993         config/mips/mips.md, config/rs6000/aix.h,
2994         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
2995
2996 2005-02-15  Richard Henderson  <rth@redhat.com>
2997
2998         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
2999         call to be best_edge.
3000
3001 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
3002
3003         * basic-block.h: Adjust the prototype for find_basic_blocks.
3004         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
3005         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
3006         find_basic_blocks.
3007
3008         * flow.c (recompute_reg_usage): Remove all arguments.
3009         * passes.c (rest_of_compilation): Adjust the call to
3010         recompute_reg_usage.
3011         * rtl.h: Adjust the prototype for recompute_reg_usage.
3012
3013 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
3014
3015         * tree-dump.c (dump_files): Update to reflect new member
3016         of dump_file_info.
3017         (dump_register): Add new argument.
3018         Set glob name.
3019         (dump_switch_p_1): Check against glob name if doglob was passed.
3020         (dump_switch_p): Check against regular first, then glob if
3021         we didn't have any hits on the dump name.
3022         * tree-optimize.c (register_one_dump_file):
3023         Pass in glob name as well.
3024         * tree-pass.h (struct dump_file_info): Add glob
3025         member.
3026
3027 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
3028
3029         PR preprocessor/16323
3030         * doc/invoke.texi: Document that -Wendif-labels is on by default.
3031
3032 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
3033
3034         PR target/19019
3035         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
3036         (trunctfdf2_internal1): New.
3037         (trunctfdf2_internal2): Renamed from trunctfdf2.
3038
3039 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
3040
3041         PR tree-optimization/19853
3042         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
3043
3044 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
3045
3046         * passes.c (rest_of_handle_loop_optimize): Remove calls to
3047         delete_dead_jumptables and cleanup_cfg.
3048
3049 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
3050
3051         * reload.c (find_reloads): Swap address_reloaded flags when
3052         swapping commutative operands.
3053
3054 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
3055
3056         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
3057         Use standard_iv_increment_position for computing the bsi position
3058         for create_iv.
3059         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
3060         the bsi position.
3061
3062 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
3063
3064         PR target/17428
3065         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
3066         life range of hard registers.
3067         * value-prof.c (insn_prefetch_values_to_profile): Only
3068         scan normal insns.
3069
3070         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
3071         profile in libcalls.
3072
3073 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
3074
3075         * bitmap.h (bitmap_and_compl_into): Return bool.
3076         * bitmap.c (bitmap_and_compl_into): Return changed flag.
3077
3078 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
3079
3080         PR tree-optimization/19944
3081         * fold-const.c (fold): Re-add ABS_EXPR folding.
3082
3083 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
3084
3085         PR target/19019
3086         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
3087         {TARGET,MASK}_XL_COMPAT.
3088         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
3089         MASK_XL_COMPAT.
3090         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
3091         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
3092         TARGET_XL_COMPAT.
3093         (rs6000_arg_partial_bytes): Same.
3094         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
3095         and XL compatibility enabled.
3096         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
3097         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
3098         test to final condition.
3099         (cmptf_internal2): New.
3100         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
3101         xl-compat.  Add TFmode information to description.
3102
3103 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
3104
3105         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
3106
3107 2005-02-13  Jason Merrill  <jason@redhat.com>
3108
3109         PR c++/16405
3110         * fold-const.c (fold_indirect_ref_1): Split out from...
3111         (build_fold_indirect_ref): Here.
3112         (fold_indirect_ref): New fn.
3113         * tree.h: Declare it.
3114         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
3115         (gimplify_modify_expr_rhs): Likewise.
3116         (gimplify_expr): Likewise.
3117
3118 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
3119
3120         PR tree-optimization/14303
3121         PR tree-optimization/15784
3122         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
3123         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
3124         ABS_EXPR<x> != 0 to x != 0.
3125
3126 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
3127
3128         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
3129         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
3130         spelling conventions.
3131
3132         * passes.c (rest_of_handle_gcse): Don't run cse_main and
3133         delete_trivially_dead_insns too many times.
3134
3135         * passes.c (rest_of_handle_gcse): Remove dead assignments to
3136         tem and tem2.
3137
3138 2005-02-12  Ira Rosen  <irar@il.ibm.com>
3139
3140         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
3141         (vect_is_simple_iv_evolution): Remove redundant parameter
3142         and step check.
3143         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
3144         without last parameter.
3145         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
3146         Return pointer step. Call vect_is_simple_iv_evolution without
3147         last parameter. Check only that the step is multiple of size
3148         type. Remove stmt_vinfo updates.
3149         (vect_get_memtag_and_dr): Remove.
3150         (vect_get_memtag): New function.
3151         (vect_address_analysis): New function.
3152         (vect_object_analysis): New function.
3153         (vect_analyze_data_refs): Call vect_object_analysis and
3154         vect_get_memtag. Update stmt_vinfo fields.
3155
3156 2005-02-12  Ira Rosen  <irar@il.ibm.com>
3157
3158         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
3159         exist and are objects. Remove checks for pointer.
3160         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
3161         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
3162         (vect_create_data_ref_ptr): Likewise.
3163         (vect_base_addr_differ_p): New function.
3164         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
3165         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
3166         Don't set the DR_BASE_NAME field of data-ref.
3167         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
3168
3169 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
3170
3171         * optabs.h (enum optab_index): Add new OTI_ldexp.
3172         (ldexp_optab): Define corresponding macro.
3173         * optabs.c (init_optabs): Initialize ldexp_optab.
3174         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
3175         patterns.
3176         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
3177         using ldexp_optab.
3178         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
3179         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
3180
3181         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
3182         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
3183         intrinsics.
3184
3185 2005-02-12  Ira Rosen  <irar@il.ibm.com>
3186
3187         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
3188         to base_address.
3189         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
3190         stmt_vec_info.
3191         (vect_get_base_and_offset): Always return an address.
3192         (vect_create_addr_base_for_vector_ref): Remove treatment for
3193         different data reference types.
3194         (vect_compute_data_ref_alignment): Rename base to base_address in
3195         stmt_vec_info. Get the object in order to force its alignment.
3196         (vect_get_memtag_and_dr): Rename base to base_address in
3197         stmt_vec_info. Extract the object for memtag analysis.
3198
3199 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
3200
3201         PR regression/19898.
3202         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
3203         changes cc_status, use apply modified_in_p to part of cc_status
3204         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
3205         body.
3206
3207 2005-02-11  Richard Henderson  <rth@redhat.com>
3208
3209         * tree-complex.c (expand_complex_libcall): New.
3210         (expand_complex_multiplication): Use it for c99 compliance.
3211         (expand_complex_division): Likewise.
3212         * fold-const.c (fold_complex_add, fold_complex_mult): New.
3213         (fold): Call them.
3214         * builtins.c (built_in_names): Remove const.
3215         * tree.c (build_common_builtin_nodes): Build complex arithmetic
3216         builtins.
3217         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
3218         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
3219         (built_in_names): Remove const.
3220         * c-common.c (c_common_type_for_mode): Handle complex modes.
3221         * flags.h, toplev.c (flag_complex_method): Rename from
3222         flag_complex_divide_method.
3223         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
3224         __mulsc3, __muldc3, __mulxc3, __multc3): New.
3225         * libgcc2.h: Declare them.
3226         * libgcc-std.ver: Export them.
3227         * mklibgcc.in (lib2funcs): Build them.
3228
3229 2005-02-11  Steven Bosscher  <stevenb@suse.de>
3230
3231         PR tree-optimization/19876
3232         Partially revert my change from 2005-01-14
3233         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
3234         (compute_antic): ...and remove the loop here.
3235
3236 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
3237
3238         PR middle-end/19858
3239         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
3240         is number of inner's bits, avoid creating a BIT_FIELD_REF.
3241
3242         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
3243         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
3244
3245 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
3246
3247         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
3248         offsets for the big-endian 32-bit case.
3249
3250 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
3251
3252         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
3253
3254 2005-02-11  Dale Johannesen  <dalej@apple.com>
3255
3256         * cselib.c (cselib_process_insn):  Clear out regs where
3257         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
3258         * reload.c (find_equiv_reg): Ditto.
3259
3260 2005-02-11  Ian Lance Taylor  <ian@airs.com>
3261
3262         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
3263         with no elements.
3264
3265         * tree.c (build_function_type_list): Work correctly if there are
3266         no arguments.
3267
3268 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
3269
3270         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
3271         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
3272         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
3273         TARGET_ZARCH instead of TARGET_64BIT.
3274
3275 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
3276
3277         * config/rs6000/t-rtems:
3278         (MULTILIB_OPTIONS): Remove mcpu=602.
3279         (MUTLILIB_DIRNAMES): Remove m602.
3280         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
3281         Let mcpu=602 match mcpu=603.
3282         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
3283
3284 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3285
3286         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
3287         signal trampolines.
3288
3289 2005-02-10  David Daney  <ddaney@avtrex.com>
3290
3291         * config/alpha/linux-unwind.h: Add exception clause to copyright.
3292         * config/i386/linux-unwind.h: Likewise.
3293         * config/ia64/linux-unwind.h: Likewise.
3294         * config/mips/linux-unwind.h: Likewise.
3295         * config/pa/linux-unwind.h: Likewise.
3296         * config/rs6000/linux-unwind.h: Likewise.
3297         * config/s390/linux-unwind.h: Likewise.
3298         * config/sh/linux-unwind.h: Likewise.
3299         * config/sparc/linux-unwind.h: Likewise.
3300
3301 2005-02-10  Steven Bosscher  <stevenb@suse.de>
3302
3303         PR tree-optimization/17549
3304         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
3305         TER to replace a DEF with its expression if the DEF and the
3306         rhs of the expression we replace into have the same root
3307         variable.
3308
3309 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
3310
3311         * config/mips/mips.md: Fix the placement of the match_scratch in the
3312         lea64 peephole2.
3313
3314 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
3315
3316         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
3317         Fix comment typos.
3318
3319 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
3320
3321         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
3322         (strip_offset): Handle addresses.
3323         (add_address_candidates): Use strip_offset.
3324         (difference_cost): Reflect strip_offset change.
3325         (force_var_cost, difference_cost): Strip nops.
3326
3327 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
3328
3329         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
3330
3331         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
3332         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
3333         config/cris/cris-protos.h, config/cris/cris.c: Update
3334         copyright.
3335
3336 2005-02-10  Jeff Law  <law@redhat.com>
3337
3338         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
3339         (lookup_avail_expr): Similarly.
3340
3341 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
3342
3343         * builtins.c (fold_builtin_powi): New function.
3344         (fold_builtin_1): Call it.
3345
3346 2005-02-10  Steven Bosscher  <stevenb@suse.de>
3347
3348         PR documentation/19309
3349         * doc/cpp.texi: The __GNUC__ and related predefined macros
3350         are also defined for the "standalone" cpp.
3351         Some non-GCC compilers may also define __GNUC__.
3352
3353 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
3354
3355         PR c/19342
3356         * c-typeck.c (common_type): New routine.  Old common_type renamed
3357         to...
3358         (c_common_type): ...this.
3359         (build_conditional_expr, build_binary_op): Use c_common_type instead
3360         of common_type.
3361
3362 2005-02-10  Steven Bosscher  <stevenb@suse.de>
3363
3364         * doc/md.texi: Replace @samp{length} with @code{length}.
3365
3366 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
3367
3368         PR tree-optimization/18687
3369         * tree-flow.h (find_loop_niter): Declare.
3370         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
3371         Try using scev even for loops with more than one exit.
3372         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
3373         (struct ivopts_data): Added niters field.
3374         (struct nfe_cache_elt): New.
3375         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
3376         functions.
3377         (tree_ssa_iv_optimize_init): Initialize niters cache.
3378         (determine_number_of_iterations): Removed.
3379         (find_induction_variables): Do not call determine_number_of_iterations.
3380         Access niters for single exit through niter_for_single_dom_exit.
3381         (add_iv_outer_candidates): Access niters for single exit through
3382         niter_for_single_dom_exit.
3383         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
3384         number_of_iterations_cond.
3385         (iv_period): New function.
3386         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
3387         (may_replace_final_value): Take data argument.  Use
3388         niter_for_single_dom_exit.
3389         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
3390         (rewrite_use_compare): Pass data to may_eliminate_iv.
3391         (rewrite_use_outer): Pass data to may_replace_final_value.
3392         (free_loop_data): Clean up the niters cache.
3393         (tree_ssa_iv_optimize_finalize): Free the niters cache.
3394         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
3395         * tree-ssa-loop-niter.c (find_loop_niter): New function.
3396         (find_loop_niter_by_eval): Use tree_int_cst_lt.
3397         (num_ending_zeros): Moved to tree.c.
3398         * tree.h (num_ending_zeros): Declare.
3399         * tree.c (num_ending_zeros): Moved from tree.c.
3400
3401 2005-02-09  Richard Henderson  <rth@redhat.com>
3402
3403         * builtins.c (DEF_BUILTIN): Add COND argument.
3404         * tree.h (DEF_BUILTIN): Likewise.
3405         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
3406         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
3407         match.
3408         (DEF_BUILTIN_STUB): New.
3409         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
3410         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
3411         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
3412         * c-common.c (DEF_BUILTIN): Add COND argument.
3413         * tree.c (local_define_builtin): New.
3414         (build_common_builtin_nodes): New.
3415
3416 2005-02-09  Roger Sayle  <roger@eyesopen.com>
3417
3418         * fold-const.c (fold_strip_sign_ops): New function to simplify a
3419         floating point expression ignoring the sign of the result.
3420         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
3421         (fold) <MULT_EXPR>: Use it to simplify x*x.
3422         * tree.h (fold_strip_sign_ops): Prototype here.
3423         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
3424         argument.  Use fold_strip_sign_ops to simplify the first argument.
3425         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
3426         first argument when the second argument is an even integer
3427         constant, but only with -funsafe_math_optimizations.
3428         (fold_builtin_1): Update call to fold_builtin_copysign.
3429
3430 2005-02-09  Ian Lance Taylor  <ian@airs.com>
3431
3432         PR middle-end/19583
3433         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
3434         just check whether EH_FILTER_FAILURE falls through.
3435
3436 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3437
3438         * gcc/haifa-sched.c (schedule_block): Make queued sched group
3439         insns return to ready list in the next turn.
3440
3441 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
3442
3443         PR middle-end/19402
3444         * builtins.def: New __builtin_powi[lf].
3445         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
3446         (expand_builtin_powi): New function.
3447         (expand_builtin): Dispatch to expand_builtin_powi.
3448         * libgcc2.h: Add prototypes for __builtin_powi[lf].
3449         * libgcc2.c: Add __builtin_powi[lf] implementation.
3450         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
3451         * optabs.h: Add powi_optab.
3452         * optabs.c (init_optabs): Initialize powi_optab.
3453         * doc/extend.texi: Document __builtin_powi[lf].
3454
3455 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
3456
3457         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
3458         exists.
3459
3460 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
3461
3462         PR middle-end/19854
3463         * fold-const.c (try_move_mult_to_index): Remove redundant
3464         type argument.  Create ADDR_EXPR with correct type.
3465         (fold): Update callers of try_move_mult_to_index.  Convert
3466         result to the appropriate type.
3467
3468 2005-02-09  Roger Sayle  <roger@eyesopen.com>
3469
3470         PR target/19597
3471         * config/avr/avr.c (default_rtx_costs): Delete.
3472         (avr_operand_rtx_cost): New function.
3473         (avr_rtx_costs): Completely rewrite.
3474
3475 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
3476
3477         PR target/19806
3478         * config/cris/cris.c (in_code): New variable.
3479         (cris_output_addr_const): Now a static function, a wrapper for
3480         output_addr_const.
3481         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
3482         case from old cris_output_addr_const.
3483         (cris_asm_output_label_ref): Similar for LABEL_REF.
3484         (cris_output_addr_const_extra): Similar for UNSPEC.
3485         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
3486         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
3487         * config/cris/cris-protos.h (cris_output_addr_const): Remove
3488         declaration.
3489         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
3490         (cris_asm_output_label_ref): Declare.
3491
3492 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
3493
3494         PR preprocessor/19801
3495         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
3496         filenames that changed when libcpp was moved to the toplevel.
3497
3498 2005-02-07  Roger Sayle  <roger@eyesopen.com>
3499
3500         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
3501         zero extensions of BImode operands.  Call lowpart_subreg instead
3502         of gen_lowpart_common and gen_lowpart_SUBREG.
3503
3504 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
3505
3506         PR ada/19489
3507         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
3508         * configure.ac: Set cc_for_cross_gnattools.
3509         * configure: Regenerate.
3510
3511 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
3512
3513         PR target/19803
3514         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
3515
3516 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
3517
3518         PR debug/19327
3519         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
3520         of nested functions.
3521
3522 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
3523
3524         * doc/extend.texi: Document deprecated extensions allowing
3525         static floating-point members to have initializers and allowing
3526         floating-point literals in integral constant expressions.
3527
3528 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
3529
3530         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
3531         config/darwin7.h, config/mips/mips.c,
3532         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
3533         Update copyright.
3534
3535         * cse.c: Update comments.
3536
3537 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
3538
3539         PR middle-end/19775
3540         * builtins.c (fold_builtin_sqrt): Transform
3541         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
3542         pow(x,y*0.5).
3543
3544 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
3545             Dorit Naishlos  <dorit@il.ibm.com>
3546
3547         * doc/invoke.texi (ftree-vectorizer-verbose): New.
3548         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
3549         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
3550         was added.
3551         * tree.h (vect_set_verbosity_level): New extern function declaration
3552         added.
3553         * tree-vectorizer.h (verbosity_levels): New enum type.
3554         * tree-vectorizer.c (vect_debug_stats): Function removed.
3555         (vect_debug_details): Likewise.
3556         (vect_verbosity_level): Global variable was defined and initialized.
3557         (vect_dump): Global variable definition.
3558         (vect_print_dump_info): New function.
3559         (vect_set_dump_settings): New function.
3560         (vect_set_verbosity_level): New function.
3561         (vectorize_loops): Add call to vect_set_dump_settings.
3562
3563         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
3564         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
3565         (slpeel_tree_peel_loop_to_edge): Likewise.
3566
3567         (vect_analyze_offset_expr): Call to vect_print_dump_info with
3568         appropriate verbosity level instead of call to vect_debug_details
3569         or vect_debug_stats.
3570         (vect_get_base_and_offset):
3571         (vect_create_addr_base_for_vector_ref):
3572         (get_vectype_for_scalar_type):
3573         (vect_create_data_ref_ptr):
3574         (vect_init_vector):
3575         (vect_get_vec_def_for_operand):
3576         (vect_finish_stmt_generation):
3577         (vectorizable_assignment):
3578         (vectorizable_operation):
3579         (vectorizable_store):
3580         (vectorizable_load):
3581         (vect_transform_stmt):
3582         (vect_update_ivs_after_vectorizer):
3583         (vect_do_peeling_for_loop_bound):
3584         (vect_update_inits_of_drs):
3585         (vect_do_peeling_for_alignment):
3586         (vect_transform_loop):
3587         (vect_is_simple_use):
3588         (vect_analyze_operations):
3589         (vect_is_simple_iv_evolution):
3590         (vect_analyze_scalar_cycles):
3591         (vect_analyze_data_ref_dependence):
3592         (vect_analyze_data_ref_dependences):
3593         (vect_compute_data_ref_alignment):
3594         (vect_enhance_data_refs_alignment):
3595         (vect_analyze_data_refs_alignment):
3596         (vect_analyze_data_ref_access):
3597         (vect_analyze_data_ref_accesses):
3598         (vect_analyze_pointer_ref_access):
3599         (vect_get_memtag_and_dr):
3600         (vect_analyze_data_refs):
3601         (vect_mark_relevant):
3602         (vect_stmt_relevant_p):
3603         (vect_mark_stmts_to_be_vectorized):
3604         (vect_can_advance_ivs_p):
3605         (vect_get_loop_niters):
3606         (vect_analyze_loop_form):
3607         (vect_analyze_loop):
3608         (vectorize_loops): Likewise.
3609
3610         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
3611         (vect_update_inits_of_drs):
3612         (vect_do_peeling_for_alignment):
3613         (vect_transform_loop):
3614         (vect_analyze_operations):
3615         (vect_analyze_scalar_cycles):
3616         (vect_analyze_data_ref_dependences):
3617         (vect_analyze_data_refs_alignment):
3618         (vect_analyze_data_ref_accesses):
3619         (vect_analyze_data_refs):
3620         (vect_mark_stmts_to_be_vectorized):
3621         (vect_get_loop_niters):
3622         (vect_analyze_loop_form):
3623         (vect_analyze_loop): Likewise.
3624         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
3625
3626 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
3627
3628         PR bootstrap/19796
3629         Revert:
3630         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
3631         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
3632         either -ffast-math or -funsafe-math-optimizations is in use.
3633
3634         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
3635         * config/mips/irix-csr.c: New file.
3636         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
3637         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
3638         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
3639         executables.
3640
3641 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
3642
3643         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
3644         redundant, incorrect definitions.
3645
3646         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
3647         expand.
3648         ("*tls_indirect_call"): New, reference hard regs directly.
3649         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
3650
3651 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
3652
3653         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
3654         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
3655
3656 2005-02-06  Roger Sayle  <roger@eyesopen.com>
3657
3658         PR rtl-optimization/19800
3659         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
3660         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
3661         gen_lowpart.
3662
3663 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
3664
3665         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
3666
3667 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
3668
3669         PR other/17135
3670         * doc/invoke.texi: Correct documentation of -freorder-functions.
3671
3672 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
3673
3674         PR other/14402
3675         * doc/invoke.texi: Don't mention gccbug.
3676
3677 2005-02-06  Roger Sayle  <roger@eyesopen.com>
3678             Andrew Pinski  <pinskia@physics.uc.edu>
3679             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
3680
3681         * simplify-rtx.c (simplify_relational_operation_1): Simplify
3682         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
3683         into just (zero_extract:SI FOO (const_int 1) BAR).
3684
3685 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
3686
3687         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
3688         macro locally.  Don't give last revision date.  Use GCC version
3689         number from gcc-common.texi.
3690         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
3691         revision date.  Use GCC version number from gcc-common.texi.
3692         Describe being a library as current state rather than as 3.x
3693         history.
3694         * doc/gcc.texi: Remove last update date.
3695         * doc/gccint.texi: Likewise.  Update copyright dates.
3696         * doc/install.texi: Update copyright dates.
3697
3698 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
3699
3700         PR other/7549
3701         * doc/invoke.texi: Mention for each option included in -Wall that
3702         it is included in -Wall.
3703         * doc/gcc.texi: Update copyright and last modification date.
3704
3705 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
3706
3707         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
3708         unnecessary cast to original induction variable increments.
3709
3710 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
3711
3712         PR tree-optimization/18219
3713         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
3714         in distributed form.
3715
3716 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
3717
3718         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
3719         Set bitpos and offset later in the function.  Do nothing if the
3720         target is a register and if the bitfield lies completely outside
3721         that register.
3722         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
3723         here.  Return an uninitialised register if the source value is stored
3724         in a register and the bitfield lies completely outside that register.
3725
3726 2005-02-06  Steven Bosscher  <stevenb@suse.de>
3727
3728         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
3729         not SET_DEST.
3730
3731 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
3732
3733         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
3734
3735 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
3736
3737         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
3738         * config/darwin8.h: New.
3739         * config/darwin7.h: Update comment.
3740
3741 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
3742             Dorit Naishlos  <dorit@il.ibm.com>
3743
3744         * tree-vectorizer.h (LOC): New type.
3745         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
3746         (loop_line_number): New field in struct _loop_vec_info.
3747         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
3748
3749         * tree-vectorizer.c (input.h): Included.
3750         (find_loop_location): New function.
3751         (vect_debug_stats): Argument changed from loop to LOC. Computation of
3752         loop line number removed.
3753         (vect_debug_details): Likewise.
3754         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
3755
3756         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
3757         call to vect_debug_details/stats changed from loop to loop_loc.
3758         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
3759         (slpeel_tree_peel_loop_to_edge): Likewise.
3760
3761         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
3762         changed from NULL to UNKNOWN_LOC.
3763         (vect_get_base_and_offset):
3764         (vect_create_addr_base_for_vector_ref):
3765         (get_vectype_for_scalar_type):
3766         (vect_create_data_ref_ptr):
3767         (vect_init_vector):
3768         (vect_get_vec_def_for_operand):
3769         (vect_finish_stmt_generation):
3770         (vectorizable_assignment):
3771         (vectorizable_operation):
3772         (vectorizable_store):
3773         (vectorizable_load):
3774         (vect_transform_stmt):
3775         (vect_update_ivs_after_vectorizer):
3776         (vect_do_peeling_for_loop_bound):
3777         (vect_do_peeling_for_alignment):
3778         (vect_transform_loop):
3779         (vect_is_simple_use):
3780         (vect_analyze_operations):
3781         (vect_is_simple_iv_evolution):
3782         (vect_analyze_scalar_cycles):
3783         (vect_analyze_data_ref_dependences):
3784         (vect_compute_data_ref_alignment):
3785         (vect_enhance_data_refs_alignment):
3786         (vect_analyze_data_ref_access):
3787         (vect_analyze_data_ref_accesses):
3788         (vect_analyze_pointer_ref_access):
3789         (vect_get_memtag_and_dr):
3790         (vect_analyze_data_refs):
3791         (vect_mark_relevant):
3792         (vect_stmt_relevant_p):
3793         (vect_mark_stmts_to_be_vectorized):
3794         (vect_can_advance_ivs_p):
3795         (vect_get_loop_niters):
3796         (vect_analyze_loop):
3797         (vectorize_loops): Likewise.
3798
3799         (vectorizable_load): Argument in call to vect_debug_details/stats
3800         changed from loop to LOOP_LOC (loop_vinfo).
3801         (vect_transform_loop):
3802         (vect_analyze_operations):
3803         (vect_analyze_scalar_cycles):
3804         (vect_analyze_data_ref_dependence):
3805         (vect_enhance_data_refs_alignment):
3806         (vect_analyze_data_ref_accesses):
3807         (vect_analyze_pointer_ref_access):
3808         (vect_analyze_data_refs):
3809         (vect_analyze_loop): Likewise.
3810
3811         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
3812         changed from loop to loop_loc.
3813
3814         (vect_enhance_data_refs_alignment): Removed unused variable loop.
3815
3816 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
3817             Dorit Naishlos  <dorit@il.ibm.com>
3818
3819         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
3820         declaration added.
3821         (vect_analyze_data_ref_dependences): Likewise.
3822
3823         (vect_is_simple_use): Argument changed from loop structure to
3824         loop_vect_info structure.
3825         (vect_can_advance_ivs_p): Likewise.
3826         (vect_create_index_for_vector_ref): Likewise.
3827         (vect_update_ivs_after_vectorizer): Likewise.
3828         (new_stmt_vec_info): Likewise.
3829
3830         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
3831         changed from loop to loop_vinfo.
3832         (vect_create_data_ref_ptr): First argument in call to
3833         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
3834         (vectorizable_assignment): Second argument in call to vect_is_simple_use
3835         was changed from loop to loop_vinfo.
3836         (vectorizable_operation): Likewise.
3837         (vectorizable_store): Likewise.
3838         (vect_mark_stmts_to_be_vectorized): Likewise.
3839         (vect_do_peeling_for_loop_bound): First argument in call to
3840         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
3841         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
3842         was changed from loop to loop_vinfo.
3843         (vect_analyze_data_ref_dependences): Third argument in call to
3844         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
3845
3846         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
3847         (vect_create_data_ref_ptr): Likewise.
3848         (vect_init_vector): Likewise.
3849         (vect_get_vec_def_for_operand): Likewise.
3850         (vectorizable_assignment): Likewise.
3851         (vectorizable_operation): Likewise.
3852         (vectorizable_store): Likewise.
3853         (vectorizable_load): Likewise.
3854         (vect_update_ivs_after_vectorizer): Likewise.
3855         (vect_is_simple_use): Likewise.
3856         (vect_analyze_data_ref_dependence): Likewise.
3857         (vect_analyze_pointer_ref_access): Likewise.
3858         (vect_can_advance_ivs_p): Likewise.
3859
3860         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
3861         before _stmt_vec_info.
3862         (_stmt_vec_info): Loop field replaced by loop_vec_info.
3863         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
3864         (new_stmt_vec_info): Argument changed from loop structure to
3865         loop_vect_info structure
3866
3867         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
3868         (vect_analyze_offset_expr): Avoid 80 columns overflow.
3869         (vect_create_addr_base_for_vector_ref): Likewise.
3870         (vect_analyze_pointer_ref_access): Likewise.
3871
3872 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
3873
3874         PR tree-opt/19768
3875         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
3876         phi flag if the phi is abnormal.
3877
3878 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
3879
3880         PR tree-opt/19736
3881         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
3882         information for the new statement.
3883
3884 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
3885
3886         PR driver/19117
3887         * gcc.c (main): Include the target in -v output.
3888
3889 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
3890
3891         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
3892         Do not drop the extend if we'd have to add a paradoxical subreg
3893         later.  Include optabs.h and insn-codes.h.
3894         * Makefile.in (combine.o): Depend on $(OPTABS_H).
3895
3896 2005-02-02  Roger Sayle  <roger@eyesopen.com>
3897
3898         PR middle-end/19405
3899         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
3900         * fold-const.c (const_binop): Avoid constant folding floating
3901         point operations in modes that use composite representations.
3902         * simplify-rtx.c (simplify_binary_operation): Likewise.
3903
3904 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
3905
3906         * config/rs6000/altivec.md (altivec_dst): Make the first operand
3907         a REG, not a MEM.
3908         (altivec_dstt): Likewise.
3909         (altivec_dstst): Likewise.
3910         (altivec_dststt): Likewise.
3911         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
3912         of first operand.
3913
3914 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
3915
3916         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
3917         EXPR_LOCUS from orig_cond to the new cond_stmt.
3918         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
3919         the new vec_stmt.
3920
3921 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
3922
3923         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
3924         standard_iv_increment_position. Remove call to bsi_next
3925         (no need to bump the iterator anymore).
3926         (vect_create_index_for_vector_ref): Call
3927         standard_iv_increment_position. Remove second function argument.
3928         (vect_finish_stmt_generation): Remove call to bsi_next
3929         (no need to bump the iterator anymore).
3930         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
3931         to vect_create_index_for_vector_ref.
3932
3933 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
3934
3935         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
3936         phis are used out of the loop.
3937
3938 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
3939
3940         PR c/17807
3941         * c-decl.c (undef_nested_function): New variable.
3942         (pop_scope): Diagnose undefined nested functions.
3943         (finish_function): Don't attempt cgraph processing or genericizing
3944         if current top-level function contained an undefined nested
3945         function.  Reset undef_nested_function at the end of a top-level
3946         function.
3947
3948 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
3949
3950         * tree.c (build_int_cst_type): Take sign of the value into account
3951         when deciding whether sign extend the value.
3952
3953 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
3954
3955         PR c/18502
3956         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
3957         (cpp_options, cc1_options): Change %{std*&ansi} to
3958         %{std*&ansi&trigraphs}.
3959
3960 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
3961
3962         * cse.c: Update comments.
3963
3964 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
3965
3966         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
3967         arguments go on the stack.  Do not put complex doubles in odd/even
3968         pairs.
3969
3970 2005-02-02  Steven Bosscher  <stevenb@suse.de>
3971
3972         * doc/invoke.texi: Update the options enabled at -O1, -O2,
3973         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
3974         -ftree-pre, and -fthread-jumps.
3975
3976 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
3977
3978         PR tree-optimization/19578
3979         * tree-flow.h (modified_noreturn_calls): Declare.
3980         (noreturn_call_p): Declare.
3981         * tree-flow-inline.h (noreturn_call_p): New function.
3982         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
3983         * tree-cfg.c (modified_noreturn_calls): New variable.
3984         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
3985         that contain a mid-block noreturn call.
3986         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
3987
3988 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
3989
3990         * df.c (df_def_record_1, df_uses_record): Don't use
3991         DF_FOR_REGALLOC.
3992         * df.h (DF_FOR_REGALLOC): Remove.
3993
3994 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
3995
3996         PR c/19435
3997         * c-typeck.c (really_start_incremental_init): Reset
3998         constructor_max_index for arrays of incomplete type.
3999
4000 2005-02-02  Jeff Law  <law@redhat.com>
4001
4002         * gcse.c (struct reg_set): Store the block index where the register
4003         was set rather than the setting insn.
4004         (record_one_set, compute_transp): Corresponding changes.
4005         (pre_insert_copy_insn): Do not call replace_one_set.
4006         (replace_one_set): Remove.
4007
4008 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
4009
4010         PR other/15514
4011         * doc/gcov.texi: Fix typo.
4012
4013 2005-02-01  Richard Henderson  <rth@redhat.com
4014
4015         PR target/19680
4016         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
4017         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
4018         type to bool.
4019         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
4020         * config/i386/i386-protos.h: Update.
4021
4022 2005-02-01  Steven Bosscher  <stevenb@suse.de>
4023
4024         PR tree-optimization/19217
4025         * tree-cfg.c (verify_expr): Use the data field to see if TP was
4026         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
4027         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
4028         that it is walking a PHI node.
4029
4030 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
4031
4032         * doc/extend.texi (Nested Functions): Update.
4033
4034 2005-02-01  Richard Henderson  <rth@redhat.com>
4035
4036         PR 19696
4037         * optabs.c (expand_copysign_absneg): Export.
4038         * optabs.h (expand_copysign_absneg): Declare.
4039         * config/rs6000/rs6000.md (copysigntf3): New.
4040
4041 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
4042
4043         PR tree-optimization/19633
4044         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
4045         * tree-ssa-alias.c (init_alias_info): Initialize.
4046         (merge_pointed_to_info): Set.
4047         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
4048         (dump_points_to_info_for): Show value of pt_null.
4049         (struct count_ptr_d): Declare.
4050         (find_ptr_dereference): Remove.
4051         (ptr_is_dereferenced_by): Remove.
4052         (count_ptr_derefs): New local function.
4053         (count_uses_and_derefs): New local function.
4054         (compute_points_to_and_addr_escape): Call it.  If the number
4055         of dereferences is greater than zero, mark the pointer as
4056         dereferenced.  If there are fewer dereferences than uses of
4057         the pointer, the pointer's value escapes.
4058
4059 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
4060
4061         PR tree-optimization/19670
4062         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
4063         here...
4064         (verify_use): ... set it here, instead.
4065
4066 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
4067
4068         * doc/sourcebuild.texi (Test directives): Fix formatting.
4069
4070         * doc/sourcebuild.texi (Test directives): Describe selector
4071         expressions.
4072
4073 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
4074
4075         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
4076         specific 64-bit CPUs.
4077
4078 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
4079
4080         PR target/16201
4081         * arm.c (arm_eliminable_register): New function.
4082         (adjacent_mem_locations): Don't allow eliminable registers.  Use
4083         HOST_WIDE_INT for address offsets.
4084         * arm-protos.h (arm_eliminable_register): Add prototype.
4085
4086 2005-02-01  Steven Bosscher  <stevenb@suse.de>
4087
4088         PR optimization/15242
4089         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
4090         * basic-block.h (duplicate_computed_gotos): Add prototype.
4091         * bb-reorder.c (duplicate_computed_gotos): New function to
4092         duplicate sufficiently small blocks ending in a computed jump.
4093         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
4094         if not optimizing for size.
4095         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
4096         never do tail merging for blocks ending in a computed jump.
4097         * doc/invoke.texi: Document the max-goto-duplication-insns param.
4098
4099 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
4100
4101         Patch from Richard Sandiford <rsandifo@redhat.com>
4102         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
4103         from inheriting a subreg equivalence with a non-spill register.
4104
4105         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
4106
4107 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
4108
4109         * config/frv/frv.c (movcc_fp_destination_operand): New.
4110         (gpr_or_memory_operand): Fix typo in comment.
4111         (gpr_or_memory_operand_with_scratch): New.
4112         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
4113         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
4114         movcc_fp_destination_operand.
4115         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
4116         Legitimize memory addresses using a scratch register.
4117
4118 2005-01-31  Jeff Law  <law@redhat.com>
4119
4120         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
4121         bitmap a sparse bitmap instead of a simple bitmap.
4122         (mark_def_sites_initialize_block):  Corresponding changes.
4123         (ssa_mark_def_sites_initialize_block): Likewise.
4124         (ssa_mark_phi_uses): Likewise.
4125         (mark_def_site, ssa_mark_def_sites): Likewise.
4126         (mark_def_site_blocks): Likewise.
4127         (rewrite_ssa_into_ssa): Likewise.
4128
4129         * tree-ssa-dom.c (record_cond): Pass correct variable type
4130         for last argument to htab_find_slot_with_hash.
4131
4132         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
4133         effects when optimizing 0 % X.  Do not try to optimize X % 0.
4134
4135 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
4136
4137         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
4138         1_mmalua.
4139
4140 2005-02-01  Eric Christopher  <echristo@redhat.com>
4141
4142         * config/mips/mips.c (override_options): Warn if -mint64
4143         is used.
4144         * doc/invoke.texi (MIPS Options): Document that -mint64 is
4145         deprecated.
4146
4147 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
4148
4149         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
4150         timestamp.
4151         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
4152         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
4153         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
4154         (cached_regno): Initialize to INVALID_REGNUM.
4155         (cse_reg_info_table_size,
4156         cse_reg_info_table_first_uninitialized,
4157         cse_reg_info_timestamp): New.
4158         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
4159         get_cse_reg_info.
4160         (init_cse_reg_info, get_cse_reg_info_1): New.
4161         (get_cse_reg_info): Cache the last look-up.
4162         (new_basic_block): Update the code to clear mappings from
4163         registers to cse_reg_info entries.
4164         (cse_main): Call init_cse_reg_info.
4165
4166         * cse.c (get_cse_reg_info): Update a comment.
4167
4168 2005-01-31  Steven Bosscher  <stevenb@suse.de>
4169
4170         PR c/19333
4171         * c-decl.c (start_decl): Do not warn about arrays of elements with
4172         an incomplete type here.
4173         (grokdeclarator): Do it here by making a pedwarn an error.
4174         * c-typeck.c (push_init_level): If there were previous errors with
4175         the constructor type, do not warn about braces for initializers.
4176         (process_init_element): Likewise for excess initializer elements.
4177
4178 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
4179
4180         * cse.c (delete_trivially_dead_insn): Don't iterate.
4181
4182 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
4183
4184         * config/rs6000/rs6000.md (copysignsf3): New expand.
4185         (copysigndf3): Likewise.
4186
4187 2005-01-31  Steven Bosscher  <stevenb@suse.de>
4188
4189         * recog.c (constrain_operands): Only look for earlyclobber operand
4190         conflicts if an '&' constraint was seen.
4191
4192 2005-01-31  Marc Espie <espie@openbsd.org>
4193
4194         * config.gcc: Don't include embedded systems fragment, switches default
4195         debugging format to ELF.
4196         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
4197         longer pick it up there.
4198
4199 2005-01-31  Dale Johannesen  <dalej@apple.com>
4200
4201         * doc/extend.texi (nested functions): Fix linkage description.
4202         Clarify that static is not allowed.
4203
4204 2005-01-31  Dale Johannesen  <dalej@apple.com>
4205
4206         * config/rs6000/darwin.md (movsf_low_di):  Make work.
4207         (movdf_low_di):  Make work.
4208
4209 2005-01-31  Dale Johannesen  <dalej@apple.com>
4210
4211         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
4212         Make work for 64 bit.
4213
4214 2005-01-31  Roger Sayle  <roger@eyesopen.com>
4215             Dale Johannesen  <dalej@apple.com>
4216
4217         PR middle-end/19650
4218         * fold-const.c (fold_binary_op_with_conditional_arg):
4219         Make types match original operands, before STRIP_NOPS.
4220
4221 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
4222
4223         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
4224         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
4225         (struct gcc_sigcontext): Delete.  Merge contents to..
4226         (struct gcc_ucontext): ..here.
4227         (get_sigcontext): Delete.
4228         (get_regs): New function, like get_sigcontext but return regs ptr.
4229         64-bit version finds regs from r1 to support vdso.
4230         (ppc_linux_aux_vector): New function.
4231         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
4232         and vector regs.
4233
4234 2005-01-31  Ira Rosen  <irar@il.ibm.com>
4235
4236         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
4237         sizetype.
4238         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
4239         redundant fold. Fix misalignment for MINUS_EXPR.
4240         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
4241         (vect_analyze_pointer_ref_access): Likewise.
4242         (vect_get_memtag_and_dr): Likewise.
4243
4244 2005-01-31  Richard Henderson  <rth@redhat.com>
4245
4246         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
4247         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
4248         absnegdf2_i387, absnegxf2_i387): Likewise.
4249
4250 2005-01-31  Richard Henderson  <rth@redhat.com>
4251
4252         PR 19696
4253         * optabs.c (expand_copysign_absneg): New.
4254         (expand_copysign_bit): Split out from ...
4255         (expand_copysign): ... here.  Use expand_copysign_absneg.
4256
4257 2005-01-30  Roger Sayle  <roger@eyesopen.com>
4258
4259         PR middle-end/19697
4260         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
4261         constant as the second operand and a register as the third.
4262
4263 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
4264
4265         PR target/19704
4266         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
4267         that dllimport'd functions do not use all call-clobbered registers
4268         to pass parameters.
4269
4270 2005-01-30  Richard Henderson  <rth@redhat.com>
4271
4272         PR 19696
4273         * optabs.c (expand_absneg_bit): Split out from expand_unop and
4274         expand_abs_nojump and generalize.  Use operand_subword and
4275         emit_no_conflict_block.  Support large modes.
4276         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
4277         back to maximum.
4278         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
4279         negation to subtraction.
4280         (expand_copysign): Check that the format has signed zeros.
4281         Use operand_subword and emit_no_conflict_block.  Support large modes.
4282
4283 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
4284
4285         Fix PR tree-optimization/19624
4286
4287         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
4288         * tree-ssa-pre.c: Add cfgloop.h.
4289         Update comment.
4290         (pre_stats): New member, constified.
4291         (inserted_exprs): New static variable.
4292         (NECESSARY): New macro.
4293         (create_expression_by_pieces): Fold the expression, and
4294         mark it as defaulting to not necessary. Also put in
4295         inserted_exprs.
4296         (fully_constant_expression): New function.
4297         (insert_into_preds_of_block): Modify to not insert phis when we
4298         are playing with induction variables.
4299         Push phis onto the inserted_exprs vector, and mark them as not
4300         necessary by default.
4301         (insert_aux): Call fully_constant_expression on eprime.
4302         If all edges produce the same value, mark it constant.
4303         (mark_operand_necessary): New function.
4304         (remove_dead_inserted_code): New function.
4305         (init_pre): Init loop optimizer to get loop info.
4306         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
4307         (execute_pre): Commit edge inserts, then remove dead code.
4308
4309 2005-01-30  Richard Henderson  <rth@redhat.com>
4310
4311         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
4312         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
4313
4314 2005-01-30  Richard Henderson  <rth@redhat.com>
4315
4316         PR target/19700
4317         * config/i386/i386.c (ix86_expand_copysign): New.
4318         (ix86_split_copysign_const): New.
4319         (ix86_split_copysign_var): Rename from ix86_split_copysign,
4320         rearrange op1/nmask operands.
4321         * config/i386/i386-protos.h: Update.
4322         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
4323         (copysigndf3): Likewise.
4324         (copysignsf3_const, copysigndf3_const): New.
4325         (copysignsf3_var): Rename from copysignsf3, split out splitter
4326         and fix split predicate for X constraint.
4327         (copysigndf3_var): Similarly.
4328
4329 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
4330
4331         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
4332         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
4333         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
4334
4335 2005-01-29  Richard Henderson  <rth@redhat.com>
4336
4337         PR target/19690
4338         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
4339         of # and * in constraints.
4340
4341 2005-01-29  Richard Henderson  <rth@redhat.com>
4342
4343         PR middle-end/19689
4344         * expr.c (store_field): Don't strip sub-mode cast when the input
4345         data is even smaller.
4346
4347 2005-01-29  Richard Henderson  <rth@redhat.com>
4348
4349         PR middle-end/19687
4350         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
4351         union being empty.
4352
4353 2005-01-29  Richard Henderson  <rth@redhat.com>
4354
4355         * combine.c (make_field_assignment): Fix argument order
4356         to gen_int_mode.
4357
4358 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
4359
4360         PR tree-optimization/15791
4361         * fold-const.c (extract_array_ref): New function.
4362         (fold): Fold comparisons between &a[i] and &a[j] or
4363         semantically equivalent trees.
4364
4365 2005-01-29  Jeff Law  <law@redhat.com>
4366
4367         * gcse.c (insert_expr_in_table): Revamp handling of available
4368         and anticipatable occurrence lists to avoid unnecessary list
4369         walking.
4370         (insert_set_in_table): Similarly.
4371
4372 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
4373
4374         * c-common.c (fix_string_type): Just use c_build_qualified_type to
4375         build string type.
4376         (c_build_qualified_type): Build qualified array types with
4377         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
4378         * c-decl.c (c_make_fname_decl): Build unqualified array type
4379         before qualified type.
4380         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
4381         type is qualified, not just if type itself is.  Don't apply
4382         qualifiers to array type when declarator is processed.  Apply
4383         qualifiers to field type whether or not it is an array type.
4384         Don't handle array types specially for applying qualifiers to
4385         variables.
4386         * c-typeck.c (composite_type): Build unqualified element type and
4387         array type when forming composite of array types.
4388         (common_pointer_type, comptypes, comp_target_types,
4389         type_lists_compatible_p, build_indirect_ref, build_array_ref,
4390         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
4391         types.
4392         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
4393         (args2) in variables a1 and a2.
4394
4395 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
4396
4397         * cse.c (n_elements_made, max_elements_made): Remove.
4398         (insert): Don't touch n_elements_made.
4399         (cse_main): Don't touch n_elements_made or max_elements_made.
4400
4401 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
4402
4403         PR target/15384
4404         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
4405         configuration part of dp-bit.c to be lost.
4406
4407 2005-01-28  Roger Sayle  <roger@eyesopen.com>
4408
4409         * expmed.c (expand_mult_highpart_optab): When attempting to use
4410         a non-widening multiplication in a wider mode, the operands need
4411         to be converted (zero or sign extended) to that mode.
4412
4413 2005-01-28  Ian Lance Taylor  <ian@airs.com>
4414
4415         PR middle-end/16558
4416         PR middle-end/19583
4417         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
4418         through if both operands fall through.
4419
4420 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
4421
4422         * cse.c (fold_rtx) <PC>: Don't optimize.
4423
4424 2005-01-28  Jeff Law  <law@redhat.com>
4425
4426         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
4427         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
4428
4429 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
4430
4431         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
4432         cse_reg_info_used_list_end): Remove.
4433         (cse_reg_info_list, cse_reg_info_list_free): New.
4434         (get_cse_reg_info): When allocating an instance of
4435         cse_reg_info, add it to the beginning of the cse_reg_info_list
4436         list.  Remove code to maintain cse_reg_info_used_list.
4437         (new_basic_block): Reset the free list to the beginning of
4438         cse_reg_info_list.
4439
4440 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
4441
4442         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
4443         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
4444         (frv_expand_mdpackh_builtin): New function.
4445         (frv_expand_builtin): Use it to expand __MDPACKH.
4446         * doc/extend.texi (__MDPACKH): Update documentation.
4447
4448 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
4449
4450         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
4451         SSE_FLOAT_MODE_P for use_sse computation.
4452
4453 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
4454
4455         PR target/19663
4456         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
4457
4458 2005-01-27  Richard Henderson  <rth@redhat.com>
4459
4460         * builtins.c (expand_builtin_copysign): New.
4461         (expand_builtin): Call it.
4462         * genopinit.c (optabs): Add copysign_optab.
4463         * optabs.c (init_optabs): Initialize it.
4464         (expand_copysign): New.
4465         * optabs.h (OTI_copysign, copysign_optab): New.
4466         (expand_copysign): Declare.
4467
4468         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
4469         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
4470
4471         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
4472         (ix86_expand_fp_absneg_operator): ... here.
4473         (ix86_split_copysign): New.
4474         * config/i386/i386-protos.h: Update.
4475         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
4476         (copysignsf3, copysigndf3): New.
4477
4478         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
4479         (copysignsf3, ncopysignsf3): New.
4480         (copysigndf3, ncopysigndf3): New.
4481         (copysignxf3, ncopysignxf3): New.
4482         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
4483
4484 2005-01-27  Arend Bayer  <arend.bayer@web.de>
4485             Kazu Hirata  <kazu@cs.umass.edu>
4486
4487         * cse.c: (find_best_addr): Don't call copy_rtx before calling
4488         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
4489         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
4490         NULL_RTX.
4491
4492 2005-01-27  Jeff Law  <law@redhat.com>
4493
4494         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
4495         definitions of SSA_NAMEs which are not being rewritten.
4496         (rewrite_ssa_into_ssa): Only initialize the current definition
4497         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
4498         If checking is enabled, assert that SSA_NAME_AUX is clear for all
4499         SSA_NAMEs before returning.
4500
4501 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
4502
4503         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
4504         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
4505         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
4506         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
4507         config/mips/iris6.h, config/sh/sh.c: Update copyright.
4508
4509 2005-01-27  Steven Bosscher  <stevenb@suse.de>
4510
4511         PR middle-end/17278
4512         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
4513         higher to -O2 and higher.  Likewise for tree PRE.
4514         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
4515         and better.
4516
4517 2005-01-27  Ian Lance Taylor  <ian@airs.com>
4518
4519         PR middle-end/19583
4520         * gimple-low.c (try_catch_may_fallthru): New static function.
4521         (block_may_fallthru): Handle TRY_CATCH_EXPR.
4522         * tree-inline.c (expand_call_inline): Don't warn about reaching
4523         the end of a non-void function being inlined if the function uses
4524         a return slot.
4525
4526 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
4527
4528         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
4529
4530         PR c/18946
4531         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
4532         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
4533         (implicitly_declare): Handle error_mark_node.
4534
4535 2005-01-27  Richard Henderson  <rth@redhat.com>
4536
4537         PR tree-opt/14329
4538         * tree.h (struct tree_decl): Add debug_expr_is_from.
4539         (DECL_DEBUG_EXPR_IS_FROM): New.
4540         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
4541         * dwarf2out.c (dwarf2out_var_location): Update to match.
4542         * tree-outof-ssa.c (create_temp): Likewise.
4543         * var-tracking.c (track_expr_p): Likewise.
4544         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
4545         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
4546         * toplev.c (default_tree_printer): Likewise.
4547
4548 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
4549
4550         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
4551         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
4552
4553 2005-01-27  Steven Bosscher  <stevenb@suse.de>
4554
4555         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
4556         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
4557         ASM_CLOBBERS): Add tree checks.
4558
4559         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
4560         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
4561         * c-common.def (SWITCH_STMT): Update to match.
4562         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
4563         macros instead of SWITCH_EXPR ones.
4564         * c-dump.c (c_dump_tree): Likewise.
4565         * c-gimplify.c (gimplify_switch_stmt): Likewise.
4566         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
4567
4568         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
4569
4570 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
4571
4572         * unwind-dw2.c (execute_stack_op): Add missing cases for
4573         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
4574
4575 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
4576
4577         * config.gcc (Obsolete configurations): Remove 'dummy', add
4578         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
4579         sparc-*-openbsd*.
4580
4581 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
4582
4583         PR tree-optimization/19633
4584         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
4585         CALL_EXPRs.
4586         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
4587         are no call-clobbered variables.
4588         * tree-outof-ssa.c (check_replaceable): Return false for calls
4589         with side-effects.
4590
4591 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
4592
4593         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
4594         even for variables with NULL DECL_INITIAL.
4595
4596 2005-01-26  Stuart Hastings  <stuart@apple.com>
4597
4598         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
4599
4600 2005-01-26  Richard Henderson  <rth@redhat.com>
4601
4602         PR middle-end/18008
4603         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
4604         field's type.
4605         * expr.c (store_field): Strip conversions to odd-bit-sized types
4606         if the destination field width matches.
4607
4608 2005-01-26  Richard Henderson  <rth@redhat.com>
4609
4610         * c-decl.c, expmed.c, expr.c: Revert last change.
4611
4612 2005-01-26  Richard Henderson  <rth@redhat.com>
4613
4614         PR middle-end/18008
4615         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
4616         field's type.
4617         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
4618         if we don't need the bits above those present in the current mode.
4619         * expr.c (store_field): Strip conversions to odd-bit-sized types
4620         if the destination field width matches.
4621
4622 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
4623
4624         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
4625         either -ffast-math or -funsafe-math-optimizations is in use.
4626
4627 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
4628
4629         PR target/19293
4630         PR target/19329
4631         * config/avr/avr.c (notice_update_cc): Only set condition code for
4632         ashrqi3 if shift count > 0.
4633         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
4634         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
4635         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
4636         count <= 0 as a no-op, and shift count >= width by copying zero
4637         or sign bit to all bits of the result.
4638         * config/avr/avr.md (all shifts): Add alternatives for zero shift
4639         count, with attribute "length" set to 0 and "cc" set to "none".
4640
4641 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
4642
4643         * doc/invoke.texi: Document -mTLS.
4644
4645         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
4646         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
4647         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
4648         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
4649         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
4650         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
4651         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
4652         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
4653
4654         * configure.ac: Check for a TLS capable gas.
4655
4656         * configure: Regenerate.
4657
4658 2005-01-26  Richard Henderson  <rth@redhat.com>
4659
4660         PR middle-end/18008
4661         * combine.c (make_field_assignment): Simplify store to zero_extract
4662         from a source with an overlapping mask.
4663
4664 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
4665
4666         2004-11-11  Eric Christopher  <echristo@redhat.com>
4667
4668         * config/frv/frv.md: Add fr400_integer automaton. Don't
4669         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
4670         to TYPE_MACC.
4671
4672 2005-01-26  Steven Bosscher  <stevenb@suse.de>
4673
4674         PR middle-end/16585
4675         * cfgbuild.c (make_edges): Do not clear or set
4676         current_function_has_computed_jump.
4677         * function.h (struct function): Remove the has_computed_jump field.
4678         (current_function_has_computed_jump): Do not define.
4679         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
4680         in a computed jump.  Ignore current_function_has_computed_jump.
4681
4682 2005-01-26  Richard Henderson  <rth@redhat.com>
4683
4684         PR middle-end/19515
4685         * expr.c (categorize_ctor_elements): New argument p_must_clear.
4686         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
4687         fully initialized.
4688         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
4689         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
4690         objects into static storage if they have more than one non-zero value.
4691         * tree.h (categorize_ctor_elements): Update decl.
4692
4693 2005-01-26  Steven Bosscher  <stevenb@suse.de>
4694
4695         PR middle-end/19616
4696         * tree.h (CALL_EXPR_TAILCALL): Add comment.
4697         * calls.c (check_sibcall_argument_overlap_1): Revert the change
4698         to this function from 2004-07-10.
4699         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
4700         the current function for tail call optimizations if the address
4701         of one of it its arguments is taken.
4702
4703 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
4704
4705         * cse.c (fold_rtx): Call equiv_constant only when necessary.
4706
4707 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
4708
4709         * function.c (expand_function_end): If current_function_calls_alloca,
4710         emit stack restore in a place that is reached when the function falls
4711         through at the end.
4712
4713 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
4714
4715         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
4716         rule to avoid matching inappropriate suffix rule.
4717
4718 2005-01-26  Jan Hubicka  <jh@suse.cz>
4719
4720         PR tree-optimization/19241
4721         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
4722
4723 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
4724
4725         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
4726         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
4727         of doubling.
4728         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
4729         <sim*>: Always use crt1.o, regardless of N in simN.
4730         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
4731         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
4732         (CRT_CALL_STATIC_FUNCTION): Remove.
4733         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
4734         use crt1.o, regardless of N in simN.
4735         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
4736         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
4737         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
4738         case isystem setting.
4739         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
4740
4741 2005-01-25  Ian Lance Taylor  <ian@airs.com>
4742
4743         * gimple-low.c (block_may_fallthru): Correct handling of
4744         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
4745
4746 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
4747
4748         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
4749         handlers to match indentation; nested under the mtune=* handler.
4750         Similar for mcpu= and march=.
4751
4752 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
4753
4754         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
4755         * config/mips/linux64.h (LIB_SPEC): Likewise.
4756         * config/mn10300/linux.h (LIB_SPEC): Likewise.
4757         * config/sh/linux.h (LIB_SPEC): Likewise.
4758
4759 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
4760
4761         * config/frv/frv.c (frv_legitimize_tls_address): New.
4762         (TARGET_HAVE_TLS): Define.
4763         (FRV_SYMBOL_REF_TLS_P): Define.
4764         (frv_override_options): Handle new register classes.
4765         (frv_legitimate_address_p): Reject tls addresses.
4766         (frv_legitimize_address): Handle TLS addresses.
4767         (gen_inlined_tls_plt): New.
4768         (gen_tlsmoff): New.
4769         (frv_legitimize_tls_address): New.
4770         (unspec_got_name): Add TLS entries.
4771         (got12_operand): Add R_FRV_TLSMOFF12 case.
4772         (frv_emit_move): Fixup TLS addresses.
4773         (frv_emit_movsi): Legitimize TLS addresses.
4774
4775         * config/frv/frv.h (MASK_BIG_TLS): New.
4776         (TARGET_BIG_TLS): New.
4777         (HAVE_AS_TLS): Define.
4778         (TARGET_SWITCHES): Add -mTLS and -mtls options.
4779         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
4780         (REG_CLASS_NAMES): Same.
4781         (REG_CLASS_CONTENTS): Same.
4782         (CONSTRAINT_LEN): New.
4783         (REG_CLASS_FROM_CONSTRAINT): New.
4784         (PREDICATE_CODES): Add symbolic_operand.
4785
4786         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
4787         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
4788         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
4789         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
4790         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
4791         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
4792         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
4793         GR9_REG, GR14_REG, LRREG.
4794         (type): Add load_or_call attribute.
4795         ("load_or_call"): New reservation.
4796         ("call_gettlsoff"): New.
4797         ("tls_indirect_call"): New.
4798         ("tls_load_gottlsoff12"): New.
4799         ("tlsoff_hilo"): New.
4800         ("tls_tlsdesc_ldd"): New.
4801         ("tls_tlsoff_ld"): New.
4802         ("tls_lddi"): New.
4803
4804         * config/frv/frv-protos.h (symbolic_operand): Protoize.
4805
4806         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
4807
4808         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
4809         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
4810         * config/frv/frv.c (TLS_BIAS): Define.
4811         (frv_output_dwarf_dtprel): New.
4812
4813 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
4814
4815         PR rtl-optimization/19579
4816         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
4817         both A and B, see if they don't clobber registers the other expr uses.
4818
4819 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
4820
4821         * real.c (do_add): Initialize signalling and canonical members.
4822
4823         * real.c (real_from_integer): Zero out destination.
4824
4825 2005-01-18  Jan Hubicka  <jh@suse.cz>
4826
4827         PR tree-optimize/19337
4828         * tree-inline.c (initialize_inlined_parameters): Copy
4829         saved_static_chain_decl only.
4830
4831 2005-01-25  Richard Henderson  <rth@redhat.com>
4832
4833         PR target/19556
4834         PR target/19584
4835         * config/i386/i386.c (x86_inter_unit_moves): Zero.
4836         (ix86_preferred_reload_class): Rewrite fp-constant section, with
4837         80387 enabled, to return a proper subclass.  Return the subset that
4838         overlaps with GENERAL_REGS for PLUS.
4839         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
4840
4841 2005-01-25  Richard Henderson  <rth@redhat.com>
4842
4843         PR middle-end/19609
4844         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
4845
4846 2005-01-25  Roger Sayle  <roger@eyesopen.com>
4847
4848         * expmed.c (choose_multiplier): Change interface to return the
4849         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
4850         (expand_divmod): Update calls to choose_multiplier.
4851
4852 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4853
4854         PR middle-end/19330
4855         * expmed.c (extract_bit_field): Use adjust_address instead of
4856         gen_lowpart when op0 is a MEM.
4857
4858 2005-01-24  Steven Bosscher  <stevenb@suse.de>
4859
4860         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
4861
4862 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
4863
4864         * config/mips/irix-csr.c: New file.
4865         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
4866         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
4867         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
4868         executables.
4869
4870 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
4871
4872         PR bootstrap/19364
4873         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
4874         sparc/elf.h, add sparc/sp-elf.h.
4875         (sparc-*-rtems*): Likewise.
4876         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
4877         tm-dwarf2.h, add sparc/sp-elf.h.
4878         (sparc86x-*-elf): Likewise.
4879         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
4880         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
4881         TARGET_OS_CPP_BUILTINS.
4882         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
4883         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
4884         Undefine it.
4885         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
4886         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
4887         (SWITCH_TAKES_ARG): Likewise.
4888         (LOCAL_LABEL_PREFIX): Likewise.
4889         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
4890         (TARGET_N_FORMAT_TYPES): Delete.
4891         (TARGET_FORMAT_TYPES): Likewise.
4892         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
4893         * config/sparc/elf.h: Delete.
4894         * config/sparc/sp-elf.h: New file.
4895
4896 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
4897
4898         * tree-flow-inline.h (phi_arg_from_edge): Remove.
4899         * tree-flow.h: Remove the corresponding prototype.
4900         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
4901         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
4902
4903 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
4904
4905         PR target/17751
4906         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
4907         for AIX ABI or ELF -fPIC.
4908         (rs6000_emit_load_toc_table): Don't create toc_section here.
4909         (rs6000_xcoff_file_start): Nor here.
4910
4911 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
4912
4913         * sh.c (ra.h): Don't #include.
4914         (hard_regs_intersect_p): New function, resurrected from ra.c.
4915
4916         * sh.c: Fix 1996 Copyright.
4917
4918 2005-01-24  Richard Henderson  <rth@redhat.com>
4919             Aldy Hernandez  <aldyh@redhat.com>
4920
4921         * regrename.c (note_sets): Handle subregs.
4922
4923 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
4924
4925         PR bootstrap/18058
4926         * genconditions.c (write_header, write_conditions): Elide file if
4927         not GCC >= 3.0.1.
4928
4929 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
4930
4931         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
4932         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
4933         Update copyright.
4934
4935 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
4936
4937         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
4938         expand_builtin_printf, expand_builtin_fprintf,
4939         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
4940         checking against POINTER_TYPE.
4941         (validate_arglist): Handle POINTER_TYPE code by checking
4942         POINTER_TYPE_P.
4943
4944 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
4945
4946         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
4947         init_rtlanal): New.
4948         (for_each_rtx): Call for_each_rtx_1.
4949         * rtl.h (init_rtlanal): Declare.
4950         * toplev.c (backend_init): Call init_rtlanal.
4951
4952 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
4953
4954         * flow.c (propagate_one_insn): Formatting.
4955
4956         PR middle-end/19551
4957         * flow.c (libcall_dead_p): Be more conservative if unsure.
4958         If there are any instructions between insn and call, see if they are
4959         all dead before saying the libcall is dead.
4960
4961 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
4962
4963         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
4964         operand constraint for operand 0.
4965
4966 2005-01-23  Richard Henderson  <rth@redhat.com>
4967
4968         PR 19486
4969         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
4970         edges leading to join block.
4971
4972 2005-01-23  Roger Sayle  <roger@eyesopen.com>
4973
4974         * expmed.c (expand_mult_highpart): Make static.  Change type of
4975         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
4976         (expand_divmod): Updates calls to expand_mult_highpart by using
4977         gen_int_mode to pass a CONST_INT rtx.
4978         * rtl.h (expand_mult_highpart): Remove prototype.
4979
4980 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
4981
4982         * flow.c (regset_bytes, regset_size): Remove.
4983
4984         * cfganal.c: Fix a reference to Harvey's paper.
4985
4986 2005-01-23  Steven Bosscher  <stevenb@suse.de>
4987
4988         PR rtl-optimization/19464
4989         * tree-optimize.c (init_tree_optimization_passes): Add one more
4990         copyrename pass just before out-of-ssa.
4991
4992 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
4993
4994         PR bootstrap/18058
4995         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
4996         * ggc-none.c (ggc_free): Define.
4997
4998 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
4999
5000         * cse.c (max_reg, max_insn_uid): Remove.
5001         (cse_main): Don't access max_reg or max_insn_uid.
5002
5003         * c-common.c (explicit_flag_signed_bitfields,
5004         lang_statement_code_p, lang_expand_function_end): Remove.
5005         * c-common.h: Remove the corresponding declarations.
5006         * c-opts.c (c_common_handle_option): Remove all write access
5007         to explicit_flag_signed_bitfields.
5008
5009         * cgraph.c (cgraph_varpool_n_nodes): Remove.
5010         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
5011         * cgraph.h: Remove the corresponding declaration.
5012
5013         * gcse.c (null_pointer_info): Remove.
5014
5015 2005-01-23  Roger Sayle  <roger@eyesopen.com>
5016             Eric Botcazou  <ebotcazou@libertysurf.fr>
5017
5018         * combine.c (simplify_logical): Only simplify logical expressions
5019         of the form ior(and(x,y),z) by the inverse distributive law if the
5020         result is cheaper than the original.
5021
5022 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
5023
5024         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
5025         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
5026         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
5027         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
5028         config/freebsd-spec.h, config/arm/arm.h,
5029         config/h8300/h8300.md, config/i386/i386.md,
5030         config/i386/predicates.md, config/i386/sse.md,
5031         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
5032         config/vax/vax.md: Fix comment typos.  Follow spelling
5033         conventions.
5034
5035 2005-01-23  Steven Bosscher  <stevenb@suse.de>
5036
5037         * gengtype.c (walk_type): Produce `not equal to' compares for loop
5038         tests, instead of `less than'.
5039
5040 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
5041
5042         * function.c (assign_parm_setup_block): When creating a new stack slot
5043         for a parameter, get its alignment from the parameter's DECL_ALIGN
5044         rather than the type's TYPE_ALIGN.  Make sure that the parameter
5045         is at least word aligned.
5046
5047 2005-01-22  Roger Sayle  <roger@eyesopen.com>
5048
5049         PR middle-end/19378
5050         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
5051
5052 2005-01-22  Richard Henderson  <rth@redhat.com>
5053
5054         PR target/19506
5055         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
5056         in both compare operands.
5057         (movdfcc_1_sse_max): Likewise.
5058         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
5059         (movdfcc_1_sse): Likewise.
5060         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
5061         scratch register as needed.
5062
5063 2005-01-22  Richard Henderson  <rth@redhat.com>
5064
5065         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
5066
5067         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
5068
5069 2005-01-22  Richard Henderson  <rth@redhat.com>
5070
5071         * genopinit.c (optabs): Use smin/smax for floating point too.
5072         * doc/md.texi: Update to match.  Clarify that floating point
5073         results are undefined for +0/-0 and NaN.
5074         * doc/rtl.texi: Likewise.
5075         * rtl.def (SMIN, SMAX): Likewise
5076         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
5077
5078         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
5079         leading 's' to the name.
5080         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
5081         smaxxf3, sminxf3): Likewise.
5082         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
5083         Likewise.
5084
5085 2005-01-22  Paul Brook  <paul@codesourcery.com>
5086
5087         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
5088
5089 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
5090
5091         * config/s390/s390.c (struct processor_costs): New fields
5092         dlgr, dlr, dr, dsgfr, dsgr.
5093         (z900_cost, z990_cost): Values for new fields.
5094         (s390_rtx_costs): New cases MEM und COMPARE in switch
5095         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
5096         DIV, MOD, UDIV, UMOD.
5097
5098 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
5099
5100         * config/s390/s390.md ("doloop_si64"): Reload input value directly
5101         into the register being decremented.
5102         ("doloop_si31", "doloop_di"): Likewise.
5103         ("*doloop_si_long"): Adapt pattern.
5104
5105 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
5106
5107         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
5108         access registers.
5109         (CLASS_MAX_NREGS): Likewise.
5110
5111 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
5112
5113         * doc/tree-ssa.texi (Statement Operands): Add example for new
5114         must-def macro. Note deprecation of old operands interface.
5115
5116 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
5117
5118         PR tree-optimization/19484
5119         * tree-cfg.c (remove_fallthru_edge): New function.
5120         (cleanup_control_flow): Remove fallthru edges from calls that are
5121         now known not to return.
5122
5123 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
5124
5125         Fix PR tree-optimization/19038
5126         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
5127         copies with loop variant ones.
5128
5129 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
5130
5131         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
5132         config/alpha/alpha-protos.h, config/alpha/alpha.h,
5133         config/alpha/alpha.md, config/alpha/predicates.md,
5134         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
5135         config/sparc/sol2.h: Update copyright.
5136
5137         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
5138         first label to see if it is a nonlocal label.
5139
5140 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
5141             Andrew Pinski  <pinskia@physics.uc.edu>
5142
5143         PR target/19491
5144         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
5145         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
5146
5147 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
5148
5149         * config/rs6000/rtems.h: Update copyright.
5150
5151 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
5152
5153         PR target/19548
5154         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
5155         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
5156         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
5157
5158 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5159
5160         PR c/18809
5161         * c-typeck.c (convert_arguments): Check for error_mark_node.
5162
5163 2005-01-21  Ian Lance Taylor  <ian@airs.com>
5164
5165         PR tree-optimization/13000
5166         * tree-inline.c: Include "tree-flow.h".
5167         (expand_call_inline): If warn_return_type, warn if non-void inline
5168         function falls through.
5169         * tree-cfg.c (execute_warn_function_return): Don't warn about
5170         control reaching end if TREE_NO_WARNING is set.  Set
5171         TREE_NO_WARNING.
5172         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
5173         has been lowered.
5174         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
5175         branch if we don't need one.
5176         * c-typeck.c: Include "tree-flow.h"
5177         (c_finish_bc_stmt): Don't add a goto if the current statement
5178         list doesn't fall through to the current point.
5179
5180 2005-01-21  Roger Sayle  <roger@eyesopen.com>
5181
5182         PR rtl-optimization/576
5183         * real.c (real_arithmetic): Change return type from void to bool
5184         to return an indication that the result may be inexact.
5185         * real.h (real_arithmeric): Update prototype.
5186         * fold-const.c (const_binop):  Don't constant fold floating
5187         point expressions when the user specifies -frounding-math and
5188         the result may depend upon the run-time rounding mode.
5189         (fold_convert_const_real_from_real): Clean-up.
5190         (fold_initializer): Ignore flag_rounding_math for initializers.
5191         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
5192         constant fold FP operations with flag_rounding_math if the
5193         result may depend upon the run-time rounding mode.
5194
5195 2005-01-21  Tom Tromey  <tromey@redhat.com>
5196
5197         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
5198
5199 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
5200
5201         * tree-cfg.c: Fix comment typos.
5202
5203 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
5204
5205         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
5206         around the call to rest_of_handle_branch_target_load_optimize.
5207
5208 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
5209
5210         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
5211         (sparc64-*-openbsd*): Likewise.
5212         (sparclite-*-elf*): Include tm-dwarf2.h.
5213         (sparc86x-*-elf*): Likewise.
5214         (sparc64-*-elf*): Likewise.
5215         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
5216         (DBX_DEBUGGING_INFO): Likewise.
5217         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
5218         (PREFERRED_DEBUGGING_TYPE): Likewise.
5219         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
5220         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
5221         (PREFERRED_DEBUGGING_TYPE): Likewise.
5222         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
5223         (PREFERRED_DEBUGGING_TYPE): Likewise.
5224         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
5225
5226 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
5227
5228         PR target/18701
5229         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
5230
5231 2005-01-20  Paul Brook  <paul@codesourcery.com>
5232
5233         * doc/rtl.texi: Document value extension requirements for CONST_INT.
5234
5235 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
5236
5237         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
5238         label is first in a sequence of labels.
5239
5240         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
5241
5242 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
5243             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
5244
5245         * doc/sourcebuild.texi (Test Directives): New.
5246
5247 2005-01-20  Roger Sayle  <roger@eyesopen.com>
5248
5249         * real.c (real_floor): Don't leave the result uninitialized when
5250         mode is VOIDMode, but return the unrounded intermediate value.
5251         (real_ceil): Likewise.
5252
5253 2005-01-20  Paul Brook  <paul@codesourcery.com>
5254
5255         * config/arm/arm.md (insv): Use gen_int_mode.
5256
5257 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
5258
5259         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
5260         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
5261         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
5262         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
5263         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
5264
5265 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
5266
5267         Fix PR debug/19124
5268         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
5269         fbreg, so we have to assume we can't.
5270         (loc_descriptor_from_tree_1): Ditto.
5271         (containing_function_has_frame_base): New function.
5272         (add_location_or_const_value_attribute): Use it.
5273         Also try to generate a frame_base from a single element location
5274         list.
5275
5276 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
5277
5278         PR tree-optimization/15349
5279         * timevar.def (TV_TREE_MERGE_PHI): New.
5280         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
5281         PHI_WANTED.
5282         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
5283         calls to tree_forwarder_block_p.
5284         (remove_forwarder_block_with_phi, merge_phi_nodes,
5285         gate_merge_phi, pass_merge_phi): New.
5286         * tree-optimize.c (init_tree_optimization_passes): Add
5287         pass_merge_phi.
5288         * tree-pass.h: Add an extern for pass_merge_phi;
5289
5290 2005-01-20  Richard Henderson  <rth@redhat.com>
5291
5292         PR target/19418
5293         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
5294         (_mm_castps_pd, _mm_castps_si128): New.
5295         (_mm_castsi128_ps, _mm_castsi128_pd): New.
5296
5297 2005-01-20  Richard Henderson  <rth@redhat.com>
5298
5299         PR target/19530
5300         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
5301         __builtin_ia32_vec_init_v2si.
5302         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
5303         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
5304         (ix86_init_mmx_sse_builtins): Create it.
5305         (ix86_expand_builtin): Expand it.
5306         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
5307         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
5308         (vec_extractv2si_0, vec_extractv2si_1): New.
5309
5310 2005-01-20  Richard Henderson  <rth@redhat.com>
5311
5312         PR target/16533
5313         * config/i386/i386.c (ix86_expand_push): New.
5314         * config/i386/mmx.md (push<MMXMODE>1): New.
5315         * config/i386/sse.md (push<SSEMODE>1): New.
5316         * config/i386/i386-protos.h: Update.
5317
5318 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
5319
5320         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
5321         copyright.
5322
5323 2005-01-20  Richard Henderson  <rth@redhat.com>
5324
5325         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
5326         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
5327
5328 2005-01-19  Richard Henderson  <rth@redhat.com>
5329
5330         PR target/19350
5331         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
5332         to V4SFmode in SSE1 fallback load path.
5333
5334 2005-01-19  Richard Henderson  <rth@redhat.com>
5335
5336         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
5337         in QImode expansion to ix86_expand_vector_set.
5338         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
5339
5340 2005-01-19  Richard Henderson  <rth@redhat.com>
5341
5342         PR target/19511
5343         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
5344         subclass of the input class.
5345         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
5346         Always true for cross-SSE1 classes.  Rationalize conditionals.
5347         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
5348         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
5349         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
5350         (movdi_2): Add MMX/SSE zeros.
5351         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
5352         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
5353         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
5354         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
5355         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
5356         (zero_extendsidi2_rex64_1): Remove.
5357         (MOV0 peephole): Check GENERAL_REG_P.
5358
5359 2005-01-19  Richard Henderson  <rth@redhat.com>
5360
5361         PR target/19427
5362         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
5363         shufps elements.
5364         (ix86_expand_vector_extract): Likewise.
5365
5366 2005-01-19  Richard Henderson  <rth@redhat.com>
5367
5368         PR middle-end/19304
5369         * expr.c (emit_move_change_mode): New argument force; use
5370         simplify_gen_subreg if true.
5371         (emit_move_via_alt_mode): Merge into ...
5372         (emit_move_via_integer): ... here.
5373         (emit_move_ccmode): Use emit_move_change_mode directly.
5374
5375 2005-01-19  Richard Henderson  <rth@redhat.com>
5376
5377         PR target/19518
5378         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
5379         (alpha_preferred_reload_class): Handle CONST_VECTOR.
5380         (alpha_emit_set_const_1): Add no_output parameter; don't emit
5381         rtl if true.
5382         (alpha_emit_set_const): Likewise.  Make static.
5383         (alpha_emit_set_long_const): Make static.
5384         (alpha_extract_integer): Split out from alpha_expand_mov.
5385         (alpha_split_const_mov): Likewise.
5386         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
5387         (alpha_legitimate_constant_p): New.
5388         * config/alpha/alpha-protos.h: Update.
5389         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
5390         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
5391         * config/alpha/alpha.md (movsi): Add n alternative.
5392         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
5393         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
5394         (splitters for all of the above): Use alpha_split_const_mov.
5395         * config/alpha/predicates.md (non_add_const_operand): New.
5396         (non_zero_const_operand): New.
5397         (input_operand): Use alpha_legitimate_constant_p after reload.
5398
5399 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
5400
5401         PR tree-optimization/19038
5402         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
5403         (add_candidate): Add ivs with increment in latch only if
5404         allow_ip_end_pos_p is true.
5405         (determine_iv_cost): Use empty_block_p.
5406
5407 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
5408
5409         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
5410         (compute_dominance_frontiers): Ditto.
5411
5412 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
5413
5414         PR target/19529
5415         * config/sh/t-rtems: New.
5416         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
5417
5418 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
5419
5420         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
5421         the offset of the selected field.
5422
5423 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
5424
5425         * tree-cfg.c (remove_forwarder_block): Fix the check to
5426         prevent a nonlocal label from appearing in the middle of a
5427         basic block.
5428
5429 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
5430
5431         PR rtl-optimization/19462
5432         * reorg.c (find_end_label): Create return insn only if
5433         current_function_epilogue_delay_list is empty.
5434
5435 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
5436
5437         * doc/passes.texi: Remove paragraph mentioning new-ra.
5438
5439 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
5440
5441         PR rtl-optimization/15139
5442         * combine.c: Include params.h.
5443         (count_rtxs): New function.
5444         (record_value_for_reg): If replace_rtx would replace at least
5445         2 occurrences of REG in VALUE and TEM is really large, replace REG with
5446         (clobber (const_int 0)) instead of TEM.
5447         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
5448         * params.h (MAX_LAST_VALUE_RTL): New.
5449         * Makefile.in (combine.o): Depend on $(PARAMS_H).
5450         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
5451
5452         PR c/17297
5453         * c-typeck.c (digest_init): Only call build_vector if all constructor
5454         elements are *_CST nodes.
5455         * gimplify.c (gimplify_init_constructor): Likewise.
5456
5457         PR middle-end/19164
5458         * c-typeck.c (digest_init): Only call build_vector if inside_init
5459         is a CONSTRUCTOR.
5460
5461 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
5462
5463         * toplev.c (init_asm_output): Remove dead #ifdef.
5464
5465 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
5466
5467         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
5468
5469 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
5470
5471         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
5472         accessing DECL_FUNCTION_CODE.
5473         * dojump.c (do_jump): Likewise.
5474         * gimplify.c (gimplify_call_expr): Likewise.
5475         * predict.c (expr_expected_value): Likewise.
5476         (strip_builtin_expect): Likewise.
5477         * tree-inline.c (estimate_num_insns_1): Likewise.
5478         * tree-ssa-loop-im.c (stmt_cost): Likewise
5479         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
5480         (tree_expr_nonnegative_p): Likewise.
5481
5482 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
5483
5484         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
5485         variant of the load_pcrel_sym pattern.
5486         * config/sparc/sparc.md (P macro): Move to the top.
5487         (load_pcrel_sym): Macroize using P.
5488         (save_register_window): Likewise.
5489
5490 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
5491
5492         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
5493         ("sordered"): Same.
5494
5495 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
5496
5497         PR C/19472
5498         * c-typeck.c (build_asm_expr): Strip nops off
5499         input memory operands.
5500
5501 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
5502
5503         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
5504         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
5505         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
5506         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
5507
5508 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
5509
5510         PR target/19379
5511         * config/i386/i386.c (override_options): If the 80387 is disabled,
5512         then do not return FP values using FP registers.
5513
5514 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
5515
5516         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
5517         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
5518         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
5519         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
5520         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
5521         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
5522         output.h, postreload-gcse.c, postreload.c, recog.c,
5523         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
5524         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
5525         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
5526         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
5527         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
5528         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
5529         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
5530         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
5531
5532         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
5533         config/alpha/alpha.c, config/arm/vfp.md,
5534         config/i386/emmintrin.h, config/i386/i386-modes.def,
5535         config/i386/i386-protos.h, config/i386/i386.h,
5536         config/i386/pmmintrin.h, config/i386/ppro.md,
5537         config/i386/predicates.md, config/i386/xmmintrin.h,
5538         config/i860/i860.c, config/ia64/ia64-modes.def,
5539         config/ia64/ia64-protos.h, config/ia64/ia64.h,
5540         config/ia64/ia64.md, config/ia64/itanium1.md,
5541         config/ia64/itanium2.md, config/ia64/predicates.md,
5542         config/iq2000/iq2000.h, config/mips/linux64.h,
5543         config/rs6000/aix41.h, config/rs6000/aix43.h,
5544         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
5545         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
5546         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
5547         config/sparc/linux64.h, config/sparc/litecoff.h,
5548         config/sparc/sp64-elf.h, config/sparc/sparc.c,
5549         config/sparc/sparc.h, config/sparc/sparc.md,
5550         config/sparc/sysv4-only.h: Update copyright.
5551
5552 2005-01-18  Richard Henderson  <rth@redhat.com>
5553
5554         PR target/19496
5555         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
5556
5557 2005-01-18  Marc Espie  <espie@openbsd.org>
5558         * config/i386/openbsdelf.h: Typo.
5559
5560 2005-01-18  Richard Henderson  <rth@redhat.com>
5561
5562         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
5563         special case for sse.
5564         * config/i386/predicates.md (sse_comparison_operator): Likewise.
5565
5566 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
5567
5568         * tree-inline.c (estimate_num_insns_1): Added cases for
5569         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
5570
5571 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
5572
5573         PR rtl-optimization/19296
5574         * combine.c (simplify_comparison): Rewrite the condition under
5575         which a non-paradoxical SUBREG of a PLUS can be lifted when
5576         compared against a constant.
5577
5578 2005-01-18  Andi Kleen <ak@muc.de>
5579
5580         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
5581         * c.opt (-Wpointer-sign): Add.
5582         * doc/invoke.texi: (-Wpointer-sign): Add.
5583
5584 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
5585
5586         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
5587         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
5588         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
5589         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
5590         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
5591         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
5592         for TARGET_MIX_SSE_I387.
5593         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
5594         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
5595         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
5596         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
5597         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
5598         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
5599         TARGET_MIX_SSE_I387.
5600         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
5601         from expander.
5602
5603 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
5604
5605         PR target/19424
5606         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
5607         Add movaps alternative for xmm reg->reg move.
5608
5609 2005-01-17  Jeff Law  <law@redhat.com>
5610
5611         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
5612         at the end of the main DOM loop rather than just before DOM exits.
5613
5614 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
5615
5616         PR tree-optimization/19121
5617         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
5618         adding aliases to a name tag, also add them to the pointer's
5619         type tag.
5620         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
5621         sensitive alias info at all.  Only check that the two pointers
5622         have compatible pointed-to sets.
5623         * tree-ssa.c (verify_name_tags): Verify that the alias set of
5624         a pointer's type tag is a superset of the alias set of the
5625         pointer's name tag.
5626
5627 2005-01-17  James E Wilson  <wilson@specifixinc.com>
5628
5629         PR target/19357
5630         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
5631         comment to document why.
5632
5633 2005-01-17  Richard Henderson  <rth@redhat.com>
5634
5635         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
5636         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
5637         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
5638         sse2_vmsminv2df3_finite): New.
5639         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
5640         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
5641         Force op1 into register.
5642
5643 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
5644
5645         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
5646         bubblestrap from always rebuilding build directory.
5647
5648 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
5649
5650         * config/s390/s390.md ("*clc"): Remove incorrect '='.
5651         ("*cmpmem_short"): Likewise.
5652
5653 2005-01-17  Steven Bosscher  <stevenb@suse.de>
5654
5655         * basic-block.h: Document BB_* flags.
5656         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
5657         use an sbitmap instead.
5658         * sched-rgn.c (compute_trg_info): Likewise.
5659
5660 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
5661
5662         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
5663         redundant target_cpu_default and extra_parts lines.  Use the default
5664         "from-abi" ISA.
5665         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
5666         (SUBTARGET_EXTRA_SPECS): Delete.
5667         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
5668         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
5669         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
5670         and "n32" for -mabi=n32.
5671
5672 2005-01-17  Ian Lance Taylor  <ian@airs.com>
5673
5674         PR c/5675
5675         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
5676         fold constant variables into initial values.
5677
5678 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
5679
5680         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
5681
5682         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
5683         through the statements backward.
5684
5685 2005-01-17  Ian Lance Taylor  <ian@airs.com>
5686
5687         PR middle-end/13127:
5688         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
5689         a variable set to the return value of the inlined function.
5690
5691 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
5692
5693         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
5694         when modes are tieable.
5695
5696 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
5697
5698         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
5699         of pthread_create to find out if threads are enabled.
5700         * gthr-posix95.h (__gthread_active_p): Likewise.
5701
5702 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
5703
5704         * common.opt (-fnew-ra): Remove.
5705         * ra*.*: Remove.
5706         * toplev.h (flag_new_regalloc): Remove.
5707         * Makefile.in (ra*.*): Don't mention.
5708         * passes.c (rest_of_handle_new_regalloc): Remove.
5709         (rest_of_handle_combine, rest_of_compilation): Always consider
5710         flag_new_regalloc as false.
5711         * doc/invoke.texi: Don't document -fnew-ra.
5712
5713 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
5714
5715         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
5716         last parameter to reg_scan.
5717         * loop.c (loop_optimize): Likewise.
5718         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
5719         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
5720         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
5721         rest_of_handle_gcse, rest_of_handle_loop_optimize,
5722         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
5723         * regclass.c (reg_scan): Likewise, for the declaration.
5724         * rtl.h (reg_scan): Likewise, for the prototype.
5725
5726 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
5727
5728         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
5729         mark_dfs_back_edges.
5730
5731 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
5732
5733         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
5734         (compute_avail): Uses don't go in tmp_gen.
5735
5736 2005-01-16  Steven Bosscher  <stevenb@suse.de>
5737
5738         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
5739         loop to look for a free slot in a page entry.
5740
5741 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5742
5743         PR target/16304
5744         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
5745         * toplev.c (compile_file): Call process_pending_assemble_output_defs
5746         just before targetm.asm_out.file_end.
5747         * tree.h (process_pending_assemble_output_defs): Declare.
5748         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
5749         New functions.
5750         (assemble_alias): Defer generation of assembly code for defines when
5751         TARGET_DEFERRED_OUTPUT_DEFS is true.
5752         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
5753         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
5754         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
5755
5756 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5757
5758         PR target/19336
5759         * pa.c (pa_scalar_mode_supported_p): New function.
5760         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
5761         * pa.h (MIN_UNITS_PER_WORD): Add comment.
5762
5763         * pa-protos.h (prefetch_operand): Delete.
5764         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
5765         * pa.c (prefetch_operand): Delete.
5766         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
5767         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
5768         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
5769         and prefetch_nocc_operand.
5770         * pa.md (prefetch): Rework to avoid reload problems handling short
5771         displacements when a cache control completer needs to be provided.
5772         (prefetch_32, prefetch_64): Delete.
5773         (prefetch_cc, prefetch_nocc): New patterns.
5774
5775 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
5776
5777         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
5778
5779 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5780
5781         PR ada/19388
5782         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
5783         exceeds maximum alignment for global common data.
5784         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
5785         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
5786
5787 2004-01-15  Roger Sayle  <roger@eyesopen.com>
5788
5789         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
5790
5791 2004-01-15  Roger Sayle  <roger@eyesopen.com>
5792
5793         * harg-reg-set.h (reg_class_names): Prototype global array.
5794         * regclass.c (reg_class_names): Declare here and initialize to
5795         REG_CLASS_NAMES.
5796         (dump_regclass): Remove local declaration of reg_class_names.
5797         (regclass): Likewise.
5798         * cfg.c (dump_flow_info): Likewise.
5799         * ra-debug.c (reg_class_names): Likewise.
5800         * regrename.c (reg_class_names): Likewise.
5801         * reload.c (reg_class_names): Likewise.
5802         * reload1.c (spill_failure): Likewise.
5803         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
5804
5805 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
5806
5807         * config/s390/s390.md ("reload_outti"): Remove predicate for
5808         output operand.  Abort if operand is not a MEM.
5809         ("reload_outdi", "reload_outdf"): Likewise.
5810
5811 2005-01-15  Marc Espie  <espie@openbsd.org>
5812
5813         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
5814         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
5815         * config/openbsd.h:  Fix C++ includes for native configurations.
5816         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
5817         Add trampoline support.
5818         * config/i386/openbsdelf.h: New.
5819
5820 2005-01-15  Marc Espie  <espie@openbsd.org>
5821
5822         * collect2.c (main): Explicitly parse -dynamic-linker option.
5823
5824 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
5825
5826         PR tree-optimization/19060
5827         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
5828         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
5829         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
5830         and handle extract_range_from_cond returning false.
5831         * fold-const.c (fold): Optimize comparisons with min/max even for
5832         width > HOST_BITS_PER_WIDE_INT.
5833
5834 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
5835
5836         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
5837         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
5838         Remove little endian multilib variants.
5839         Add mips32 multilib variant.
5840
5841 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
5842
5843         * explow.c (copy_all_reg, stabilize): Remove.
5844         * expr.h: Remove the corresponding prototypes.
5845
5846         * rtlanal.c (regs_set_between_p): Remove.
5847         * rtl.h: Remove the corresponding prototype.
5848
5849 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
5850
5851         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
5852         to rs6000_nonimmediate_operand.
5853         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
5854         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
5855         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
5856         rs6000_nonimmediate_operand.
5857         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
5858         rs6000_nonimmediate_operand.
5859
5860 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
5861
5862         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
5863
5864 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
5865
5866         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
5867         on e500v2.
5868         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
5869         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
5870
5871         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
5872         (rs6k_nonimmediate_operand): New.
5873         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
5874         correctly.
5875         (legitimate_lo_sum_address_p): Same.
5876         (rs6000_legitimize_address): Same.
5877         (rs6000_legitimize_reload_address): Same.
5878         (rs6000_legitimate_address): Same.
5879         (spe_build_register_parallel): Pass DF and DC modes in a DI
5880         register.
5881
5882         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
5883         to rs6k_nonimmediate_operand.
5884
5885         * config/rs6000/spe.md ("*frob_df_di"): New.
5886         ("*frob_di_df"): New.
5887         ("*frob_di_df_2"): New.
5888         ("*mov_sidf_e500_subreg0"): New.
5889         ("*mov_sidf_e500_subreg4"): New.
5890         ("*movdf_e500_double"): Change predicate to
5891         rs6k_nonimmediate_operand.
5892
5893 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
5894
5895         * postreload.c (move2add_note_store): Only call
5896         trunc_int_for_mode on scalar integers.
5897
5898 2005-01-14  Steven Bosscher  <stevenb@suse.de>
5899
5900         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
5901         replace BB_VISITED uses.
5902         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
5903         (propagate_necessity): Check the bitmap instead of BB_VISITED.
5904         (tree_dce_done): Free visited_control_parents.
5905         (perform_tree_ssa_dce): Allocate and clear it.
5906         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
5907         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
5908         instead of BB_VISITED.
5909
5910 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
5911
5912         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
5913         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
5914         Remove unused prototypes.
5915
5916 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
5917
5918         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
5919         64-bit register usage.
5920         (spe_func_has_64bit_regs_p): Add FIXME note.
5921
5922 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
5923
5924         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
5925         flag_finite_math_only with flag_unsafe_math_optimizations.
5926
5927 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
5928
5929         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
5930         end-of-stack check.
5931         (__tpf_eh_return): Copy TPF private stack area from the module
5932         boundary stack frame.  Add check for when module addresses are
5933         equal, but no stub address is found.
5934
5935 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
5936
5937         PR target/7525
5938         * arm.h (struct machine_function): Add call_via field.
5939         (thumb_call_via_label): Declare.
5940         * arm.c (thumb_call_via_label): New variable.
5941         (thumb_call_reg_needed): New variable.
5942         (arm_output_function_epilogue): For Thumb code, output any per-function
5943         call-indirect trampolines.
5944         (thumb_call_via_reg): New function.
5945         (arm_file_end): New function.
5946         (TARGET_ASM_FILE_END): Call arm_file_end.
5947         (aof_file_end): Likewise.
5948         * arm-protos.h (thumb_call_via_reg): Declare.
5949         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
5950         thumb_call_via_reg in normal case.
5951
5952 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
5953
5954         PR middle-end/19084
5955         PR rtl-optimization/19348
5956         * recog.c (peephole2_optimize): Do global life update if some peephole
5957         decides it doesn't need at least one of its inputs and that change
5958         influences liveness at the start of the basic block.
5959
5960         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
5961         arguments instead of 1.
5962
5963 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
5964
5965         PR middle-end/18820
5966         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
5967         zero for nested functions needing a static chain or functions
5968         with a non-constant address.
5969
5970 2005-01-13  Roger Sayle  <roger@eyesopen.com>
5971
5972         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
5973         (and (sign_extend X) C) into (zero_extend (and X C)).
5974
5975 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
5976
5977         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
5978
5979 2005-01-13  Richard Henderson  <rth@redhat.com>
5980
5981         PR target/19009
5982         PR target/19250
5983         PR target/19252
5984         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
5985         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
5986         not just TARGET_SSE.
5987         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
5988         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
5989         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
5990         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
5991         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
5992         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
5993         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
5994         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
5995         (movdicc_c_rex64): Rename with '*'.
5996         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
5997         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
5998         (movsfcc_1_387): Rename from movsfcc_1.
5999         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
6000         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
6001         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
6002         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
6003         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
6004         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
6005         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
6006         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
6007         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
6008         sse_movdfcc_const0_4): Remove.
6009         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
6010         recognize min/max early.  Update for changed sse cmove patterns.
6011         (ix86_split_sse_movcc): New.
6012         * config/i386/i386-protos.h: Update.
6013
6014 2005-01-13  Steven Bosscher  <stevenb@suse.de>
6015
6016         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
6017         (fix_stmt_v_may_defs): Likewise.
6018
6019 2005-01-13  Richard Henderson  <rth@redhat.com>
6020
6021         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
6022         for converting the mask.
6023
6024 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
6025
6026         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
6027         definition to 600.
6028
6029 2005-01-13  Richard Henderson  <rth@redhat.com>
6030
6031         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
6032         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
6033         IX86_BUILTIN_MOVDQ2Q): Remove.
6034         (IX86_BUILTIN_VEC_EXT_V4SI): New.
6035         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
6036         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
6037         shuffling.
6038         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
6039         (sse2_pextrw): Fix immediate constraint.
6040         (sse2_loadq, sse2_loadq_rex64): Remove.
6041         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
6042         Use __builtin_ia32_vec_ext_<size>.
6043         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
6044
6045 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
6046
6047         * function.c (assign_parm_setup_block): Look inside original
6048         entry_parm when inspecting PARALLEL.
6049
6050 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
6051             Joel Sherrill  <joel@oarcorp.com>
6052
6053         PR target/19399
6054         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
6055         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
6056         rtems_gxx_recursive_mutex_init.
6057         (__gthread_recursive_mutex_lock): New function.
6058         (__gthread_recursive_mutex_trylock): Likewise.
6059         (__gthread_recursive_mutex_unlock): Likewise.
6060
6061 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
6062
6063         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
6064
6065 2005-01-13  Jan Beulich  <jbeulich@novell.com>
6066
6067         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
6068         (ashrti3_internal): Indicate output is early clobber. Generate result
6069         into output rather than first input. Use move for low word of output
6070         if shift count is exactly 64.
6071         (lshrti3_internal): Likewise.
6072
6073 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
6074
6075         PR target/18329
6076         PR target/18330
6077         * reload1.c (delete_output_reload): Don't delete an output reload
6078         if the pseudo lives longer than a single basic block.  Adjust and
6079         improve wording of comment.
6080
6081 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
6082
6083         PR target/19334
6084         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
6085         of TYPE_SIZE where we mean the number of bytes.
6086
6087 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
6088
6089         * function.c (assign_parm_setup_block): Relax condition on
6090         multi-register optimization.
6091
6092 2005-01-12  Nick Clifton  <nickc@redhat.com>
6093
6094         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
6095         an "in_delay_slot" attribute of "no" to prevent them being used in
6096         delay slots.  This is forbidden because they might generate
6097         exceptions.
6098
6099 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
6100
6101         PR target/19389
6102         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
6103         with r->Y and Y->r.
6104
6105 2005-01-12  Nick Clifton  <nickc@redhat.com>
6106
6107         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
6108         passed on to GAS) but do not define, as GAS no longer supports or
6109         needs the -m2000 option.
6110
6111 2005-01-11  Roger Sayle  <roger@eyesopen.com>
6112
6113         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
6114         type as args of unprototyped builtins aren't automatically promoted.
6115         (fold_builtin_abs): Likewise.
6116
6117 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6118
6119         * Makefile.in: Set a `build-warn' variable.
6120
6121 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
6122
6123         PR tree-optimization/17949
6124         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
6125         (find_interesting_uses_address): Use it.
6126
6127 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
6128
6129         * regrename.c (kill_value): Handle subreg's that won't simplify.
6130
6131 2005-01-11  Richard Henderson  <rth@redhat.com>
6132
6133         PR target/13366
6134         * config/i386/i386.h (enum ix86_builtins): Move ...
6135         * config/i386/i386.c: ... here.
6136         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
6137         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
6138         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
6139         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
6140         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
6141         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
6142         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
6143         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
6144         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
6145         IX86_BUILTIN_LOADDDUP): Remove.
6146         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
6147         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
6148         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
6149         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
6150         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
6151         (ix86_init_builtins): Make static.
6152         (ix86_init_mmx_sse_builtins): Update for changed builtins.
6153         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
6154         if all the modes match.  Otherwise, fake it.
6155         (get_element_number, ix86_expand_vec_init_builtin,
6156         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
6157         (ix86_expand_builtin): Make static.  Update for changed builtins.
6158         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
6159         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
6160         (ix86_expand_vector_init_duplicate): New.
6161         (ix86_expand_vector_init_low_nonzero): New.
6162         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
6163         Split out from ix86_expand_vector_init; handle integer modes.
6164         (ix86_expand_vector_init): Use them.
6165         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
6166         * config/i386/i386-protos.h: Update.
6167         * config/i386/predicates.md (reg_or_0_operand): New.
6168         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
6169         (movv2sf_internal): Likewise.  And a splitter to match them all.
6170         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
6171         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
6172         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
6173         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
6174         (mmx_pinsrw): Fix operand ordering.
6175         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
6176         rather than sse_loadss expander.
6177         (movv2df splitter): Similarly.
6178         (sse_loadss, sse_loadlss): Remove.
6179         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
6180         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
6181         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
6182         (sse3_movddup): Rename with '*'.
6183         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
6184         (sse2_loadsd): Remove.
6185         (vec_dupv2df_sse3): Rename from sse3_loadddup.
6186         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
6187         (sse2_pinsrw): Fix argument ordering.
6188         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
6189         (sse2_stored): Remove 'r' destination.
6190         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
6191         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
6192         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
6193         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
6194         vec_extractv16qi, vec_initv16qi): New.
6195
6196         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
6197         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
6198         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
6199         constructor form.
6200         (_mm_load_pd, _mm_store_pd): Use plain dereference.
6201         (_mm_load_si128, _mm_store_si128): Likewise.
6202         (_mm_load1_pd): Use _mm_set1_pd.
6203         (_mm_load_sd): Use _mm_set_sd.
6204         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
6205         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
6206         (_mm_set_epi64): Use _mm_set_epi64x.
6207         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
6208         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
6209         _mm_setr_epi8): Use _mm_set_foo form.
6210         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
6211         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
6212         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
6213         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
6214         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
6215         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
6216         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
6217         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
6218         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
6219         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
6220         (_mm_movedup_pd): Use _mm_shuffle_pd.
6221         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
6222         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
6223         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
6224         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
6225         Use _mm_setzero_ps.
6226         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
6227         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
6228         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
6229         (_mm_store_ps): Use raw dereference.
6230         (_mm_store1_ps): Use _mm_storeu_ps.
6231         (_mm_storer_ps): Use _mm_store_ps.
6232         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
6233         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
6234
6235 2005-01-11  Stan Shebs  <shebs@apple.com>
6236
6237         * config/rs6000/rs6000.c (machopic_output_stub): Issue
6238         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
6239
6240 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
6241
6242         PR target/18761
6243         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
6244         Skip all DECLs except for FIELD_DECLs.
6245
6246 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
6247
6248         * config/s390/s390.c (override_options): Return error if
6249         -mbackchain, -mpacked-stack and -mhard-float are used together.
6250         (s390_va_start): Remove the backchain && packed-stack special case.
6251         (s390_gimplify_va_arg): Likewise.
6252         * doc/invoke.texi: Remove the ABI incompatibility note.
6253
6254 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
6255
6256         * config/s390/s390.c (struct s390_frame_layout): Remove
6257         save_backchain_p.
6258         (s390_frame_info, s390_emit_prologue): Replace occurrences of
6259         save_backchain_p with TARGET_BACKCHAIN.
6260
6261 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
6262
6263         PR target/18916
6264         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
6265         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
6266         * function.c (locate_and_pad_parm): Set new field.
6267         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
6268         Tweak where_pad test to include "none".  Always set mem align for
6269         stack_parm.
6270         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
6271         not sufficient for type.
6272         (assign_parm_setup_block): If stack_parm is zero on entry, always
6273         make a new stack local.  Block move old stack parm if necessary
6274         to new aligned stack local.
6275         (assign_parm_setup_stack): Use a block move to handle
6276         potentially misaligned entry_parm.
6277         (assign_parms_unsplit_complex): Specify required alignment when
6278         creating stack local.
6279         * calls.c (compute_argument_addresses): Override alignment of stack
6280         arg calculated from its type with the alignment given by
6281         FUNCTION_ARG_BOUNDARY.
6282         (store_one_arg): Likewise.
6283
6284 2005-01-11  Jan Beulich  <jbeulich@novell.com>
6285
6286         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
6287         Change respective itanium_class attribute to ialu.
6288         (shladdp4_internal): New.
6289         * config/ia64/predicates.md (shladd_log2_operand): New.
6290
6291 2005-01-11  Richard Henderson  <rth@redhat.com>
6292
6293         * expr.c (store_constructor): Use rtvec_alloc instead of
6294         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
6295
6296 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
6297
6298         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
6299
6300 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
6301
6302         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
6303         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
6304         (TARGET_RWRELOC): Define.
6305         (ia64_rwreloc_section_type_flags): Delete.
6306         (ia64_section_type_flags): New function.
6307         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
6308         (TARGET_RWRELOC): Define.
6309
6310 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
6311
6312         PR target/18987
6313         * config/ia64/ia64.c (process_set): For alloc insn, only call
6314         process_epilogue is !frame_pointer_needed.
6315
6316 2005-01-10  Roger Sayle  <roger@eyesopen.com>
6317
6318         PR c++/19355
6319         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
6320         unary operator and can't be treated as a binary/comparison operator.
6321
6322 2005-01-10  Richard Henderson  <rth@redhat.com>
6323
6324         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
6325         (ix86_return_in_memory): Likewise.
6326         (function_arg_advance):  Likewise.  Mirror structure in function_arg
6327         for choosing register to advance.
6328
6329 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
6330
6331         * tree-vectorizer.c, tree.def: Fix comment typos.
6332
6333 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
6334
6335         * config/s390/s390.c (struct processor_costs): 4 new fields:
6336         ddbr, ddr, debr, der.
6337         (s390_rtx_costs): More precise handling of divide instructions.
6338
6339 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
6340
6341         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
6342
6343 2005-01-10  Jan Beulich  <jbeulich@novell.com>
6344
6345         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
6346         names resulting from -ffunction-sections/-fdata-sections and linkonce
6347         ones.
6348         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
6349         based on the section name. Rearrange the section name comparison logic
6350         slightly so that each section name is compared against at most once.
6351
6352 2005-01-10  Ben Elliston  <bje@au.ibm.com>
6353
6354         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
6355         targets for which -fPIC reduces limitations on the GOT size.
6356
6357 2005-01-09  Falk Hueffner  <falk@debian.org>
6358
6359         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
6360         X/C1 cmpop C2.
6361
6362 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
6363
6364         PR target/18720
6365         * collect2.c (main): Set aixrtl_flag for -brtl option.
6366         (resolve_lib_name): Search for .so file extension before .a
6367         if aixrtl_flag set.
6368
6369 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
6370
6371         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
6372         (vect_analyze_data_refs_alignment): Add dump prints.
6373
6374 2005-01-09  Ira Rosen  <irar@il.ibm.com>
6375
6376         * tree-vectorizer.c (vect_analyze_offset_expr): Use
6377         expr_invariant_in_loop_p.
6378         Initialize outputs first thing in the function.
6379         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
6380         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
6381         (vect_analyze_pointer_ref_access): Check that the initial condition of
6382         the access function is loop invariant.
6383
6384 2005-01-09  Richard Henderson  <rth@redhat.com>
6385
6386         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
6387         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
6388         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
6389         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
6390         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
6391         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
6392         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
6393         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
6394         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
6395         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
6396         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
6397         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
6398         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
6399         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
6400         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
6401         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
6402         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
6403         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
6404         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
6405         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
6406         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
6407         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
6408         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
6409         mmx_ prefix.
6410         (mmx_clrdi, pavgusb): Remove.
6411         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
6412         with leading sse_ prefix.
6413         * config/i386/sse.md: Receive them.
6414         * config/i386/mmx.md: New file.
6415         (MMXMODE12, MMXMODE24, mmxvecsize): New.
6416         (subrv2sf3): Turn into expander for normal subtraction.
6417         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
6418         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
6419         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
6420         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
6421         commutative; use ix86_binary_operator_ok.
6422         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
6423         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
6424         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
6425         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
6426         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
6427         Macroize from existing patterns; use ix86_binary_operator_ok.
6428         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
6429         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
6430         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
6431         with vec_select+vec_concat.
6432         (mmx_pshufw, mmx_pshufw_1): Likewise.
6433         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
6434         (mmx_uavgv4hi3): Model correctly.
6435         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
6436         _mm_xor_si64): Remove casts.
6437
6438 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
6439
6440         PR tree-optimization/19224
6441         * tree-scalar-evolution.c (get_instantiated_value,
6442         set_instantiated_value): New functions.
6443         (instantiate_parameters_1): Cache the results.
6444         (instantiate_parameters, resolve_mixers): Initialize and free
6445         the cache.
6446
6447 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
6448
6449         * config/i386/i386.md (addhi_4): Correct reference in comment.
6450         (addqi_4): Same.
6451
6452 2005-01-08  Richard Henderson  <rth@redhat.com>
6453
6454         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
6455         (_mm_cvtsi128_si64x): Likewise.
6456         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
6457         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
6458         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
6459         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
6460         * config/i386/i386-protos.h: Update.
6461         * config/i386/i386.c (print_operand): Add 'H'.
6462         (ix86_fixup_binary_operands): Split out from ...
6463         (ix86_expand_binary_operator): ... here.
6464         (ix86_fixup_binary_operands_no_copy): New.
6465         (ix86_expand_fp_absneg_operator): Handle vector mode results.
6466         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
6467         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
6468         (safe_vector_operand): Use CONST0_RTX.
6469         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
6470         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
6471         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
6472         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
6473         special cases.
6474         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
6475         (IX86_BUILTIN_CMPNGESS): New.
6476         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
6477         (attr type): Add sselog1.
6478         (attr unit, attr memory): Handle it.
6479         (movti, movti_internal, movti_rex64): Move near other integer moves.
6480         (movtf, movtf_internal): Move near other fp moves.
6481         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
6482         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
6483         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
6484         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
6485         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
6486         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
6487         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
6488         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
6489         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
6490         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
6491         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
6492         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
6493         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
6494         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
6495         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
6496         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
6497         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
6498         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
6499         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
6500         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
6501         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
6502         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
6503         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
6504         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
6505         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
6506         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
6507         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
6508         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
6509         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
6510         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
6511         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
6512         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
6513         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
6514         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
6515         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
6516         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
6517         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
6518         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
6519         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
6520         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
6521         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
6522         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
6523         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
6524         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
6525         same time.
6526         (SSEPUSH, push<SSEPUSH>): Remove.
6527         (MMXPUSH, push<MMXPUSH>): Remove.
6528         (sse_movaps, sse_movaps_1, sse_movups): Remove.
6529         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
6530         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
6531         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
6532         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
6533         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
6534         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
6535         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
6536         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
6537         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
6538         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
6539         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
6540         (ppro_sse_log_V4SF): Handle sselog1.
6541         * config/i386/predicates.md (const_0_to_1_operand): New.
6542         (const_0_to_255_mul_8_operand): New.
6543         (const_1_to_31_operand): Rename from const_int_1_31_operand.
6544         (const_2_to_3_operand, const_4_to_7_operand): New.
6545         * config/i386/sse.md: New file.
6546         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
6547         (sse_movups): Rename from sse_movups_1.
6548         (sse_loadlss): Rename from sse_loadss_1.
6549         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
6550         from the name.
6551         (negv4sf2): Use ix86_expand_fp_absneg_operator.
6552         (absv4sf2, negv2df, absv2df): New.
6553         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
6554         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
6555         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
6556         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
6557         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
6558         (sse3_addsubv4sf3): Model correctly.
6559         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
6560         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
6561         (sse_movhlps): Model with vec_select+vec_concat.
6562         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
6563         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
6564         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
6565         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
6566         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
6567         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
6568         sse2_pshufhw_1): Likewise.
6569         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
6570         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
6571         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
6572         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
6573         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
6574         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
6575         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
6576         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
6577         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
6578         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
6579         sminv8hi3): Mark commutative
6580         operands.  Use ix86_binary_operator_ok.
6581         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
6582         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
6583         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
6584         sse2_punpcklqdq): Allow operand2 in memory.
6585         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
6586         sse2_movsd): Add memory alternatives.
6587         (sse_storelps): Turn expander into an insn; split after reload.
6588         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
6589         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
6590
6591 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
6592
6593         * configure.ac (DWARF-2 debug_line): Use objdump.
6594         * configure: Regenerate.
6595
6596 2005-01-08  Jeff Law  <law@redhat.com>
6597             Diego Novillo  <dnovillo@redhat.com>
6598
6599         PR tree-optimization/18241
6600         * tree-nrv.c (tree_nrv): Ignore volatile return values.
6601         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
6602         statements with volatile operands.
6603         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
6604         operands after marking a statement with has_volatile_ops.
6605
6606 2005-01-08  Roger Sayle  <roger@eyesopen.com>
6607
6608         * tree.c (int_fits_type_p): Always honor integer constant
6609         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
6610
6611 2005-01-08  Roger Sayle  <roger@eyesopen.com>
6612
6613         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
6614         the latent bug in rtl_delete_block has been resolved.
6615
6616 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
6617
6618         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
6619         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
6620
6621 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
6622
6623         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
6624         library as @multilib_dir@/$(SHLIB_SONAME).
6625
6626 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
6627
6628         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
6629         * configure: Regenerate.
6630
6631 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
6632
6633         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
6634         TYPE_MODE.
6635
6636 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
6637
6638         PR target/13674
6639         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
6640         Convert non-word aligned offset address using ld/std into
6641         indirect address.
6642
6643 2005-01-07  Richard Henderson  <rth@redhat.com>
6644
6645         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
6646
6647 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
6648
6649         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
6650
6651 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
6652
6653         PR tree-optimization/19283
6654         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
6655         is not shorter than the original type.
6656
6657         PR rtl-optimization/19012
6658         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
6659
6660         PR rtl-optimization/18861
6661         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
6662         (FULL_STATE): Define.
6663         (mark_tablejump_edge): New function.
6664         (purge_dead_tablejump_edges): New function.
6665         (find_bb_boundaries): Use it.
6666
6667         PR tree-optimization/18828
6668         * builtins.c (expand_builtin_next_arg): Remove argument and all
6669         the argument checking.
6670         (expand_builtin): Adjust caller.
6671         (expand_builtin_va_start): Likewise.  Remove error for too many
6672         arguments.
6673         (fold_builtin_next_arg): Issue error for too many arguments.
6674         After checking arguments, replace them with magic arguments that
6675         prevent further checking of the args.
6676
6677 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6678
6679         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
6680
6681 2005-01-06  Roger Sayle  <roger@eyesopen.com>
6682
6683         PR target/6077
6684         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
6685         and %{.S:...} (and their negative variants) to test whether the
6686         input file is assembler or pre-processed-assembler independent of
6687         the actual filename extension.
6688
6689 2005-01-06  Roger Sayle  <roger@eyesopen.com>
6690
6691         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
6692         of sign or zero extended values.
6693
6694 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
6695
6696         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
6697         for IBM long double format correctly.
6698
6699 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
6700
6701         Fix PR tree-optimization/18792
6702
6703         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
6704         to first_loop_depth, and use loop depth instead of loop number.
6705         (build_classic_dir_vector): Ditto.
6706         (compute_data_dependences_for_loop): Use depth, not loop number.
6707         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
6708         number. Pass in loops, instead of loop numbers.
6709         (gather_interchange_stats): Ditto.
6710         (linear_transform_loops): Ditto.
6711
6712 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
6713
6714         PR rtl-opt/13299
6715         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
6716         biv_fits_mode_p, extension_within_bounds_p): New functions.
6717         (check_ext_dependent_givs): Use them.
6718
6719 2005-01-06  Roger Sayle  <roger@eyesopen.com>
6720
6721         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
6722         more than one barrier, in which case we should delete them all.
6723
6724 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
6725
6726         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
6727
6728 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
6729
6730         Fix PR middle-end/19286
6731         Fix PR debug/19267
6732         * dwarf2out.c (gen_subprogram_die): If we've already tried to
6733         output this subprogram, simply ignore this attempt to do it again.
6734         (add_abstract_origin_attribute): Don't abort trying to add the abstract
6735         origin attribute if it's not possible.
6736         (gen_block_die): Don't ignore subblocks of "unused" blocks.
6737         (decls_for_scope): Ditto.
6738         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
6739         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
6740
6741 2005-01-05  Richard Henderson  <rth@redhat.com>
6742
6743         PR target/11327
6744         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
6745         (bdesc_2arg): Use it.
6746         (ix86_expand_binop_builtin): Force operands into registers
6747         when optimizing.
6748         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
6749         ix86_expand_sse_compare, ix86_expand_sse_comi,
6750         ix86_expand_builtin): Likewise.
6751
6752 2005-01-05  Richard Henderson  <rth@redhat.com>
6753
6754         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
6755         and VEC_SELECT.
6756         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
6757         (mulv4hi3): Set itanium_class mmmul.
6758         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
6759         (fpack): Rename from fpack_sfsf.
6760
6761 2005-01-05  Richard Henderson  <rth@redhat.com>
6762
6763         PR rtl-opt/10692
6764         * reload1.c (do_input_reload): Restrict the optimization deleteing
6765         a previous output reload to RELOAD_FOR_INPUT.
6766
6767 2005-01-05  Steven Bosscher  <stevenb@suse.de>
6768
6769         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
6770         comment that we fall through after case.
6771         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
6772         (distribute_links): Likewise.
6773         * cse.c (cse_insn): Likewise.
6774         * cselib.c (cselib_invalidate_mem): Likewise.
6775         * df.c: Update comments at the top of the file.
6776         (read_modify_subreg_p): Update comments here too.
6777         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
6778         * flow.c (mark_set_1): Likewise.
6779         (mark_used_regs): Likewise.
6780         * gcse.c (mems_conflict_for_gcse_p): Likewise.
6781         (canon_list_insert): Likewise.
6782         (mark_set): Likewise.
6783         (try_replace_reg): Likewise.
6784         (store_killed_in_insn): Likewise.
6785         * loop.c (count_one_set): Likewise.
6786         (basic_induction_var): Likewise.
6787         * postreload-gcse.c (find_mem_conflicts): Likewise.
6788         * postreload.c (reload_combine_note_store): Likewise.
6789         (move2add_note_store): Likewise.
6790         * reload.c (find_equiv_reg): Likewise.
6791         (mark_referenced_resources): Likewise.
6792         * rtlanal.c (set_noop_p): Likewise.
6793         (note_stores): Likewise.
6794         (note_uses): Likewise.
6795         * sched-deps.c (sched_analyze_1): Likewise.
6796         * sched-rgn.c (check_live_1): Likewise.
6797         (update_live_1): Likewise.
6798         * config/i860/i860.c: Likewise.
6799
6800         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
6801         an lvalue.
6802         (ZERO_EXTRACT): Mention that this one can be an lvalue.
6803
6804         * doc/rtl.texi: Update documentation for bit-fields and SET.
6805
6806 2005-01-05  Roger Sayle  <roger@eyesopen.com>
6807
6808         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
6809
6810 2005-01-05  Jan Hubicka  <jh@suse.cz>
6811             Richard Henderson  <rth@redhat.com>
6812
6813         PR target/18910
6814         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
6815         with an offset.
6816
6817 2005-01-05  Richard Henderson  <rth@redhat.com>
6818
6819         PR target/12902
6820         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
6821         (sse_shufps): Change operand 3 to const_int_operand.
6822         (sse2_storelps): Fix typo in template.
6823         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
6824         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
6825         (ix86_expand_builtin): Likewise.
6826
6827 2005-01-05  Julian Brown  <julian@codesourcery.com>
6828
6829         * config/arm/arm.c (arm_return_in_memory): Treat complex types
6830         as aggregates for AAPCS ABIs.
6831
6832 2005-01-05  Stan Shebs  <shebs@apple.com>
6833
6834         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
6835         Mach-O getters if ppc64.
6836         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
6837         size argument.
6838         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
6839         signed four-byte field for global code case.
6840         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
6841
6842 2005-01-05  Roger Sayle  <roger@eyesopen.com>
6843
6844         PR middle-end/19100
6845         * c-common.c: Include real.h.
6846         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
6847         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
6848         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
6849         * Makefile.in (c-common.o): Update dependencies.
6850
6851 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
6852
6853         * c-parse.in (asm_string): Add trailing semicolon.
6854
6855 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
6856
6857         * c-parse.in (asm_string): New.  Don't allow wide strings in
6858         'asm'.
6859         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
6860         asm_string instead of STRING.
6861
6862 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
6863
6864         * c-typeck.c (constructor_no_implicit): Remove.
6865         (set_designator, process_init_element): Don't check
6866         constructor_no_implicit.
6867
6868 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
6869             Kaz Kojima  <kkojima@gcc.gnu.org>
6870
6871         PR target/16482
6872         * lcm.c (create_pre_exit): New.
6873         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
6874         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
6875
6876 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
6877
6878         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
6879         -msoft-float in target_float_switch.
6880         * arm.c (arm_override_options): Fix processing of target_float_switch.
6881
6882 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
6883
6884         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
6885         preferencing.
6886
6887 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
6888
6889         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
6890         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
6891
6892 2005-01-04  Roger Sayle  <roger@eyesopen.com>
6893
6894         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
6895         if deleting the then-block allows the test-block to fallthru to the
6896         else-block.
6897
6898 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
6899
6900         PR c/19152
6901         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
6902         after the full declaration if the are in two different TUs.
6903
6904 2005-01-04  Richard Henderson  <rth@redhat.com>
6905
6906         PR tree-opt/19158
6907         * tree-sra.c (generate_one_element_init): Just
6908         call gimplify_and_add.
6909         (generate_element_init): Record the
6910         new referenced variables and mark them for renaming
6911         and split out to ...
6912         (generate_element_init_1): This.
6913         (scalarize_init): Don't call push_gimplify_context/
6914         pop_gimplify_context.
6915
6916 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
6917
6918         * toplev.c (get_src_pwd): Handle failure of getpwd().
6919
6920 2005-01-04  Roger Sayle  <roger@eyesopen.com>
6921
6922         * fold-const.c (fold_single_bit_test): Delete unreachable handling
6923         of TRUTH_NOT_EXPR.
6924         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
6925         all the cases handled by it are inverted by invert_truthvalue.
6926
6927 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
6928
6929         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
6930         (save_register_windowsi): Likewise.
6931
6932 2005-01-04  Richard Henderson  <rth@redhat.com>
6933
6934         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
6935
6936 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
6937
6938         PR middle-end/17767
6939         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
6940         any simplifications of vector mode comparison operators.
6941         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
6942
6943 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
6944             Devang Patel  <dpatel@apple.com>
6945
6946         PR tree-optimization/18308
6947         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
6948         the operands before creating a new expression.
6949         * dojump.c (do_jump): Make drop_through_label available
6950         for all cases.  Add expansion of COND_EXPR.
6951
6952 2005-01-04  Ira Rosen  <irar@il.ibm.com>
6953
6954         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
6955         INTEGER_CST instead of TREE_CONSTANT.
6956         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
6957         instead of TREE_CONSTANT.
6958         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
6959         instead of TREE_CONSTANT.
6960
6961 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
6962
6963         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
6964
6965 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
6966
6967         PR target/19240
6968         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
6969         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
6970
6971 2005-01-03  Richard Henderson  <rth@redhat.com>
6972
6973         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
6974         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
6975         fold_convert_const_real_from_real): Split out from ...
6976         (fold_convert_const): ... here.
6977
6978 2005-01-03  Richard Henderson  <rth@redhat.com>
6979
6980         PR target/19235
6981         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
6982         (mov<MMXMODEI>_internal): Likewise.
6983         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
6984         Add V2SF case; use it for SSE1; don't use TI.
6985         (movdf_integer): Likewise.
6986         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
6987
6988 2005-01-03  Ira Rosen  <irar@il.ibm.com>
6989
6990         * tree-vectorizer.c (vect_strip_conversions): New function.
6991         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
6992         check for binary class.
6993
6994 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
6995
6996         Fix PR debug/17924
6997         Fix PR debug/19191
6998         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
6999         is a decl.
7000         * gimple-low.c (mark_blocks_with_used_vars): New function.
7001         (mark_blocks_with_used_subblocks): Ditto.
7002         (mark_used_blocks): Ditto.
7003         (pass_mark_used_blocks): New pass.
7004         * tree-inline.c: Include debug.h.
7005         (expand_call_inline): Call outlining_inline_function here.
7006         * tree-optimize.c (init_tree_optimization_passes): Add
7007         pass_mark_used_blocks.
7008         * tree-pass.h (pass_mark_used_blocks): New.
7009         * Makefile.in (tree-inline.o): Add debug.h dependency.
7010
7011 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
7012
7013         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
7014         VAR_DECLs to have weak_import attribute.
7015
7016         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
7017         'struct ucontext'.
7018
7019 2004-01-03  Steven Bosscher  <stevenb@suse.de>
7020
7021         * passes.c (rest_of_compilation): Don't run regmove if only
7022         flag_expensive_optimizations, require flag_regmove instead.
7023
7024 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
7025
7026         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
7027         register "sparc".
7028         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
7029         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
7030         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
7031         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
7032
7033 2005-01-03  Richard Henderson  <rth@redhat.com>
7034
7035         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
7036         (ia64_const_ok_for_letter_p): New.
7037         (ia64_const_double_ok_for_letter_p): New.
7038         (ia64_extra_constraint): New.
7039         (ia64_expand_vecint_compare): New.
7040         (ia64_expand_vcondu_v2si): New.
7041         (ia64_expand_vecint_cmov): New.
7042         (ia64_expand_vecint_minmax): New.
7043         (ia64_print_operand): Add 'v'.
7044         (ia64_preferred_reload_class): New.
7045         (ia64_vector_mode_supported_p): New.
7046         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
7047         (PREFERRED_RELOAD_CLASS): Move to function.
7048         (CONST_OK_FOR_LETTER_P): Move to function.
7049         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
7050         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
7051         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
7052         (EXTRA_CONSTRAINT): Move to function.
7053         * config/ia64/ia64.md: Include vect.md.
7054         (itanium_class): Add mmalua.
7055         (type): Handle it.
7056         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
7057         (1b_mmalua): New.
7058         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
7059         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
7060         CONST0_RTX.
7061         (const_int_2bit_operand): New.
7062         (fr_reg_or_0_operand): New.
7063         * config/ia64/ia64-modes.def: Add vector modes.
7064         * config/ia64/ia64-protos.h: Update.
7065         * config/ia64/vect.md: New file.
7066
7067 2005-01-03  Richard Henderson  <rth@redhat.com>
7068
7069         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
7070
7071 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
7072
7073         PR target/19236
7074         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
7075         to SFmode.
7076         (log1pdf2): Change mode of operands[0,1] to DFmode.
7077
7078 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
7079
7080         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
7081         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
7082         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
7083         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
7084         SPARC_RELAXED_ORDERING.
7085
7086 2005-01-03  Richard Henderson  <rth@redhat.com>
7087             Uros Bizjak  <uros@kss-loka.si>
7088
7089         PR target/14631
7090         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
7091         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
7092         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
7093         handling.
7094         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
7095         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
7096         const_pow2_1_to_128_operand): New predicates.
7097
7098 2005-01-02  Greg McGary  <greg@mcgary.org>
7099
7100         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
7101         anonymous decls.
7102         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
7103         object.  [ptr_type]: Remove unused variable.
7104         Remember nearest addressable array-element or record-component
7105         when checking bitfield components.  Tolerate empty BIND_EXPR.
7106
7107 2005-01-01  Richard Henderson  <rth@redhat.com>
7108
7109         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
7110         that don't narrow the value.  Fail for other conversions.
7111
7112 2005-01-01  Richard Henderson  <rth@redhat.com>
7113
7114         PR c/19031
7115         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
7116         * c-lang.c (finish_file): Don't do it here.
7117         * objc/objc-act.c (objc_finish_file): Likewise.
7118
7119         * cgraph.c (decl_assembler_name_equal): New.
7120         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
7121         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
7122         * cgraph.h (struct cgraph_varpool_node): Add next.
7123         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
7124         * varasm.c (assemble_alias): Mark the target as needed.
7125
7126 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
7127
7128         PR middle-end/19221
7129         * function.c (get_arg_pointer_save_area): Use entry_of_function
7130         instead of get_insns.
7131
7132 2005-01-01  Roger Sayle  <roger@eyesopen.com>
7133             Andrew Pinski  <pinskia@physics.uc.edu>
7134             James E. Wilson  <wilson@specifixinc.com>
7135
7136         PR rtl-optimization/12092
7137         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
7138         is zero.
7139
7140 2005-01-01  Roger Sayle  <roger@eyesopen.com>
7141             Olivier Hainque  <hainque@act-europe.fr>
7142
7143         * tree.c (int_fits_type_p): A narrower type always fits in a
7144         wider one, except for negative values into unsigned types.
7145
7146 2005-01-01  Roger Sayle  <roger@eyesopen.com>
7147
7148         * tree.c (int_fits_type_p): Compare the result of force_fit_type
7149         with the original constant rather than require TREE_OVERFLOW.
7150
7151 2005-01-01  Steven Bosscher  <stevenb@suse.de>
7152
7153         PR middle-end/17544
7154         * c-decl.c (finish_function): If compiling C99, annotate the
7155         compiler generated return with the current file name and line 0.
7156         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
7157         the source line is greater than 0.
7158         (remove_bb): Likewise.
7159
7160 See ChangeLog.12 for earlier changes.