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PR rtl-optimization/20291
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
2
3         PR rtl-optimization/20291
4         * combine.c (try_combine): If splitting fails, re-try with
5         original combined pattern, i.e. before clobber stripping.
6
7 2005-03-14  Eric Christopher  <echristo@redhat.com>
8
9         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
10         STACK_GROWS_DOWNWARD.
11         
12 2005-03-14  Roger Sayle  <roger@eyesopen.com>
13
14         * real.h (struct real_format): Split the signbit field into two
15         two fields, signbit_ro and signbit_rw.
16         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
17         mips_double_format, ieee_extended_motorola_format,
18         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
19         ieee_extended_intel_128_format, ibm_extended_format,
20         mips_extended_format, ieee_quad_format, mips_quad_format,
21         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
22         i370_double_format, c4x_single_format, c4x_extended_format,
23         real_internal_format): Update initializers for new field.
24         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
25         real_format structure.
26         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
27         field of the real_format structure.
28
29 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
30
31         Fix PR tree-optimization/20458
32
33         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
34         DECL_EXTERNAL on STRUCT_FIELD tags.
35         (clear_call_clobbered): Ditto.
36         * tree-ssa-operands.c (note_addressable): Make sure the original
37         variable doesn't slip into the addressable list if we have
38         subvars.
39         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
40         tags too.
41         
42 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
43
44         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
45         (-fwide-exec-charset): Likewise.
46         (-finput-charset): Likewise.
47         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
48         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
49         * c.opt (Wnormalized): New.
50
51 2005-03-14  Devang Patel  <dpatel@apple.com>
52
53         * doc/invoke.texi: Add reference to Visibility document.
54         
55 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
56
57         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
58         MASK_SPLIT_ADDRESSES.
59         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
60         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
61         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
62         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
63         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
64         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
65         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
66         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
67         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
68         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
69         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
70         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
71         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
72         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
73         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
74         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
75         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
76         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
77         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
78         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
79         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
80         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
81         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
82         (TARGET_EXPLICIT_RELOCS): Delete.
83         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
84         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
85         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
86         (override_options): Set MASK_LONG64 if -mint64 is given and no
87         -mlongXX option is.  Complain about -mint64 -mlong32.
88         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
89         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
90         * config/mips/mips.opt: New file.
91
92 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
93
94         * config.gcc (extra_options): New variable for listing option files.
95         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
96         * configure.ac (extra_opt_files): New AC_SUBST variable.
97         (tm_file_list, tm_include_list): Include options.h first.
98         * configure: Regenerate.
99         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
100         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
101         (s-options-h): New rule.
102         (options.h): Depend on it.
103         (TEXI_GCCINT_FILES): Add options.texi.
104         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
105         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
106         * target.h (gcc_target): Add default_target_flags and handle_option.
107         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
108         (TARGET_HANDLE_OPTION): New macros.
109         (TARGET_INITIALIZER): Include them.
110         * opt-functions.awk (opt_args, nth_arg): New functions.
111         (switch_flags): Handle the "Target" flag.
112         (var_args): Delete.
113         (var_name): Use opt_args and nth_arg.
114         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
115         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
116         macros for the "Mask" and "InverseMask" options.
117         * opts.h (cl_var_cond): New enum.
118         (cl_option): Replace the "has_set_value" and "set_value" fields with 
119         "var_cond" and "var_value".
120         (CL_TARGET): New macro.
121         (option_enabled, print_filtered_help): Declare.
122         (decode_options): Move definition.
123         * opts.c (handle_option): Search for the original option before
124         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
125         var_cond and var_value fields.  Use targetm.handle_option to handle
126         target options.
127         (decode_options): Set target_flags to targetm.default_target_flags.
128         (print_filtered_help): Make global.  Handle CL_TARGET.
129         (option_enabled): New function.
130         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
131         (display_target_options, set_target_switch, print_switch_values)
132         (default_pch_valid_p): Guard uses of target_switches with
133         #ifdef TARGET_SWITCHES.  Also...
134         (display_target_options): Display the CL_TARGET entries in cl_options.
135         (set_target_option): Don't complain about the "" option when
136         TARGET_SWITCHES is undefined.
137         (print_switch_values): Use option_enabled.
138         (default_pch_valid_p): Check cl_options[] when looking for something
139         that has changed the value of target_flags.
140         * c.opt: Remove documentation from top of file.
141         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
142         * doc/sourecebuild.texi: Refer to the new options documentation
143         instead of c.opt.  Document machine-specific .opt files.
144         * doc/tm.texi (target_flags): Say that this variable is declared
145         by options.h.
146         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
147         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
148         an alternative.
149         * doc/options.texi: New file.
150
151 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
152
153         PR middle-end/18628
154         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
155         register.
156
157 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
158
159         PR c++/20280
160         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
161         temporary variable of pointer type if an lvalues is required.
162         (gimplify_modify_expr_rhs): Request an rvalue from it.
163         (gimplify_expr): Pass fallback on.
164
165 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
166
167         * cfgbuild.c: Update comments.
168
169 2005-03-14  Roger Sayle  <roger@eyesopen.com>
170
171         PR rtl-optimization/17236
172         * optabs.c (expand_doubleword_mult): New helper function split out
173         from expand_binop.  Permute the order in which instructions are
174         emitted to minimize the number of simultaneously live registers.
175         (expand_binop): Call expand_doubleword_mult to synthesize a double
176         word multiplication.
177
178 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
179
180         * basic-block.h: Update the prototypes of cached_make_edge and
181         rtl_make_eh_edge.
182         * cfg.c (cached_make_edge): Take edge_cache representing one
183         row of the adjacency matrix of edges.
184         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
185         (make_edges): Initialize edge_cache to represent one row of
186         the adjacency matrix of edges.
187
188 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
189
190         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
191         New functions.
192         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
193         Remove unused removed_phis variable.
194         (conditional_replacement): Use build1/build2.
195         (abs_replacement): Use last_and_only_stmt and build1/build2.
196
197 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
198
199         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
200         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
201         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
202         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
203         * c-common.c (handle_novops_attribute): New function.
204         (c_common_attribute_table): Add "no vops" entry.
205         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
206         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
207         * tree-ssa-operands.c (get_call_expr_operands): Do not
208         create virtual operands for calls with ECF_NOVOPS flag.
209         * tree.h (DECL_IS_NOVOPS): New macro.
210         (struct tree_decl): Add novops_flag.
211         (ECF_NOVOPS): New constant.
212
213 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
214
215         PR target/17688
216         * config/i386/i386.c (x86_use_himode_fiop): New.
217         (x86_use_simode_fiop): Rename from x86_use_fiop.
218         * config/i386/i386.h (x86_use_himode_fiop): Declare.
219         (TARGET_USE_HIMODE_FIOP): New.
220         (x86_use_simode_fiop): Rename from x86_use_fiop.
221         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
222         
223         * config/i386/i386.md (X87MODEI12): New mode macro define.
224         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
225         to implement x87 FP compare with HImode input operands.
226         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
227         Use X87MODEI12 mode macro to handle HImode input operands.
228         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
229         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
230         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
231         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
232         macro to implement x87 operators with HImode input operands.
233         (fop splitters): Use X87MODEI12 mode macro to handle HImode
234         input operands.
235
236 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
237
238         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
239         integer_zerop.
240         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
241         constants invariant.
242
243 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
244
245         * basic-block.h (BB_VISITED): Removed.
246         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
247
248 2005-03-14  Falk Hueffner  <falk@debian.org>
249
250         PR bootstrap/20424
251         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
252
253 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
254
255         * ggc-zone.c: Fix comment typos.
256
257         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
258         stringpool.c, config/mips/mips-protos.h: Update copyright.
259
260 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
261
262         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
263         throughout with its typedef, "rtx".
264         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
265         (rs6000_tls_symbol_ref_1): Remove inline keyword.
266         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
267         regs in comment to match code.
268
269 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
270
271         * except.c (check_handled): Make it static.
272         * except.h: Remove the corresponding prototype.
273
274         * function.c (get_func_frame_size): Make it static.
275         * function.h: Remove the corresponding type.
276
277         * regclass.c (reg_class_superclasses, reg_class_subclasses):
278         Make them static.
279         * hard-reg-set.h: Remove the corresponding declarations.
280
281         * tree-cfg.c (verify_stmts): Check that
282         bb_for_stmt (stmt) == bb for every PHI node and statement.
283
284 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
285
286         * config.gcc: Remove excess indentation.
287         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
288
289 2005-03-13  Roger Sayle  <roger@eyesopen.com>
290
291         PR middle-end/19331
292         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
293         * fold-const.c (fold_sign_changed_comparison): Likewise.
294         (fold_binary): Optimize comparisons against widened operands if
295         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
296
297 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
298
299         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
300         (sparc_override_options): Initialize it.
301         (sparc_struct_value_rtx): Set it on the MEM to be returned.
302
303 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
304
305         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
306         (reg_or_none500mem_operand): New predicate.
307         (zero_reg_mem_operand): New predicate.
308         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
309         to reg_or_none500mem_operand.
310         (extendsfdf2_fpr): Add MEM alternative.
311         (extenddftf2_internal): Change operand2 predicate to
312         zero_reg_mem_operand.
313
314 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
315
316         * ggc-zone.c: Rewritten.
317
318         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
319         if there are none.
320         * configure.ac: Define GGC_ZONE for --with-gc=zone.
321         * config.in: Regenerated.
322         * configure: Regenerated.
323         * gengtype.c (write_types_process_field, write_func_for_structure):
324         Pass new argument to gt_pch_note_object.
325         * ggc-common.c (struct ptr_data): Add TYPE.
326         (gt_pch_note_object): Take TYPE argument and save it.
327         (call_count): Update call to ggc_pch_count_object.
328         (call_alloc): Update call to ggc_pch_alloc_object.
329         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
330         file.
331         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
332         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
333         (ggc_alloc_zone_stat): Delete.
334         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
335         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
336         (ggc_pch_alloc_object): Update prototypes.
337         (garbage_zone): Delete.
338         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
339         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
340         pointers.
341         (tree_id_zone): New variable.
342         (ggc_alloc_cleared_zone): Remove unused.
343         (ggc_alloc_zone): Define.
344         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
345         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
346         ggc_alloc_zone_stat.
347         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
348         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
349         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
350         (make_node_stat): Likewise.  Use tree_id_zone.
351
352 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
353             Joseph S. Myers  <joseph@codesourcery.com>
354
355         * configure.ac: Check for MIPS TLS.
356         * configure: Regenerated.
357         * config/mips/mips-protos.h (enum mips_symbol_type): Add
358         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
359         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
360         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
361         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
362         (mips_classify_symbol, mips_symbolic_constant_p)
363         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
364         (mips_tls_operand_p, mips_call_tls_get_addr)
365         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
366         (mips_tls_symbol_ref_1): New functions.
367         (mips_legitimize_address, mips_legitimize_const_move): Call
368         mips_legitimize_tls_address.
369         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
370         for MIPS16.
371         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
372         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
373         (mips_char_to_class): Document V1_REG.
374         (HAVE_AS_TLS): Provide default.
375         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
376         constants.
377         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
378         !TARGET_ABICALLS.
379         (tls_get_tp_<mode>): New instruction.
380
381 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
382
383         * configure.ac: Update checks for target tools.
384         * configure: Regenerated.
385
386 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
387
388         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
389
390 2005-03-13  Roger Sayle  <roger@eyesopen.com>
391
392         * expmed.c (expand_mult): Use synthetic multiplication sequences for
393         more classes of DImode multiplication by constant.  Allow both
394         multiplication by small negative constants (by performing a 
395         multiplication by a positive constant and negating the result) and
396         multiplications by large powers of two, by using a left shift.
397
398 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
399
400         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
401         of basic blocks into work_stack.
402
403         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
404         config/mips/vr.h: Update copyright.
405
406         * c-decl.c (c_init_decl_processing): Remove useless calls to
407         build_function_type.
408
409         * builtins.c (fold_trunc_transparent_mathfn,
410         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
411         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
412         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
413         fold_builtin_strcpy, fold_builtin_strncpy,
414         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
415         TREE_TYPE (exp).
416
417         * builtins.c (expand_builtin_mathfn_3): Remove local variable
418         before_call.
419
420         * lambda-code.c (lambda_compute_auxillary_space): Remove local
421         variable determinant.
422
423         * tree-cfg.c (group_case_labels): Remove local variable type.
424
425         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
426         variable ann.
427
428         * tree-ssa-phiopt.c (value_replacement): Remove local variable
429         result.
430
431 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
432
433         PR target/18251
434         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
435         (*movmemqi_insn): Delete.
436         (*movmemhi): Delete.
437
438 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
439
440         * builtins.c (fold_builtin_classify): Take decomposed
441         arguments of CALL_EXPR.
442         (fold_builtin_1): Update a call to fold_builtin_classify.
443
444 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
445
446         PR c/20402
447         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
448         through into call to parser_xref_tag after parse error.
449         (c_parser_struct_declaration): Consistently return NULL_TREE on
450         error.
451
452 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
453
454         * tree-flow-inline.h (ref_contains_array_ref): New function.
455         (lookup_subvars_for_var): Ditto.
456         (get_subvars_for_var): Ditto.
457         (var_can_have_subvars): Ditto.
458
459         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
460         (struct subvar): New type.
461
462         * tree-dfa.c (okay_component_ref_for_subvars): New function.
463
464         * tree-optimize.c (init_tree_optimization_passes): Call
465         pass_create_structure_vars.
466
467         * tree-ssa-alias.c: Include vec.h.
468         (init_alias_info): Don't auto-clear call clobbered on struct-field
469         tags.
470         (compute_flow_insensitive_aliasing): Handle subvars.
471         (group_aliases): Handle STRUCT_FIELD aliases.
472         (setup_pointers_and_addressables): Ditto.
473         Don't mark variables non-addressable if they still have
474         addressable subvars.
475         Also mark subvars addressable when the real variable is marked
476         addressable. 
477         (add_pointed_to_var): Try to prune the pointed-to set by only
478         pointing to subvars when possible.
479         Otherwise, make sure we set addresses_needed and pt_vars to
480         properly include subvars.
481         (bitpos_of_field): New function.
482         (push_fields_onto_fieldstack): Ditto.
483         (get_or_create_used_part_for): Ditto.
484         (create_overlap_variables_for): Ditto.
485         (find_used_portions): Ditto.
486         (create_structure_vars): Ditto.
487         (pass_create_structure_vars): New structure.
488
489         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
490         (get_expr_operands): Handle subvars.  Also try to turn
491         COMPONENT_REF accesses into must-defs now that we can accurately
492         portray it.
493         (note_addressable): Try to only mark as addressable those subvars
494         we know a COMPONENT_REF touches.
495         (overlap_subvar): New function.
496
497         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
498         Handle subvar storing.
499         (vect_address_analysis): Update caller of vect_object_analysis.
500
501         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
502
503         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
504         (STMT_VINFO_SUBVARS): New macro.
505
506         * common.opts: add flag_tree_salias.
507         
508         * opts.c (decode_options): flag_tree_salias defaults to on.
509         
510         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
511
512         * doc/tree-ssa.texi: Document structural alias analysis.
513         
514 2005-03-12  Steven Bosscher  <stevenb@suse.de>
515
516         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
517         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
518         * tree-ssa-operands.c (get_expr_operands): Likewise.
519         (get_expr_operands): Likewise for ERROR_MARK.
520
521 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
522
523         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
524         var.
525
526         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
527         removed_phis.
528
529         * tree-ssa-pre.c (compute_avail): Remove local variable val.
530         (mark_operand_necessary): Remove local variable ver.
531
532         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
533         variable prefix_len.
534
535         * value-prof.c (mod_subtract_transform): Remove local variable
536         value.
537
538         * builtins.c (fold_builtin_exponent): Take decomposed
539         arguments of CALL_EXPR.
540         (fold_builtin_1): Update a call to fold_builtin_exponent.
541
542         * builtins.c (fold_builtin_logarithm): Take decomposed
543         arguments of CALL_EXPR.
544         (fold_builtin_1): Update a call to fold_builtin_logarithm.
545
546         * c-decl.c (c_init_decl_processing): Remove local variables
547         ptr_ftype_void and ptr_ftype_ptr.
548
549         * gimplify.c (gimplify_expr): Remove local variables r0 and
550         r1.
551
552         * reg-stack.c (move_for_stack_reg): Remove local variable
553         push_insn.
554         (compare_for_stack_reg): Remove local variable flags_user.
555         (convert_regs_1): Remove local variable deleted.
556
557         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
558         variable new_cond.
559         (combine_blocks): Remove local variables exits and new_e.
560
561         * tree-inline.c (expand_call_inline): Remove local variable
562         decl.
563
564         * tree-ssa-live.c (create_ssa_var_map,
565         calculate_live_on_entry): Remove local variable snn.
566
567 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
568
569         * c-lex.c (c_lex_with_flags): Add parameter to call to 
570         cpp_spell_token.
571
572 2005-03-11  Per Bothner  <per@bothner.com>
573
574         * c-tree.h (struct c_declarator): New id_loc field.
575         * c-pragma.h (c_lex_with_flags): Take position reference.
576         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
577         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
578         (c_lex): Pass dummy location to c_lex_with_flags.
579         * c-parser.c (c_lex_one_token): Set c_token's location using
580         c_lex_with_flags, instead of input_location, which might be "ahead".
581         (c_parser_direct_declarator): Set declarator's id_loc from
582         c_token's id_loc.
583         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
584         declarator's id_loc, rather than probably-imprecise input_location.
585         (build_id_declarator): Initialize c_declarator's id_loc field.
586
587 2005-03-11  Roger Sayle  <roger@eyesopen.com>
588
589         PR middle-end/20419
590         * builtins.c (expand_builtin_signbit): Force the signbit's word
591         into an integer register to avoid SUBREGs of floating point modes.
592
593 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
594
595         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
596         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
597         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
598         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
599
600 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
601
602         PR rtl-optimization/20306
603         * expr.c (emit_move_complex): Set try_int false if mode is
604         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
605         emit_block_move if try_int is true.
606
607 2005-03-11  Richard Henderson  <rth@redhat.com>
608
609         PR target/20415
610         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
611         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
612         to match.
613
614 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
615
616         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
617         (TARGET_FIX_VR4130): New macro.
618         (TARGET_OPTIONS): Add -mfix-vr4130.
619         (ISA_HAS_MACCHI): New macro.
620         (ASM_SPEC): Add -mfix-vr4130.
621         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
622         (override_options): Handle mips_fix_vr4130_string.
623         (mips_avoid_hazards): Clear all_noreorder_p
624         if we're working around VR4130 errata and the macc alternatives
625         are not available.
626         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
627         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
628         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
629         (MULTILIB_DEFAULTS): Remove leading "march=".
630         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
631         if no architecture option is given.
632         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
633         VR4130 multilibs.
634         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
635         * doc/invoke.texi: Document -mfix-vr4130.
636
637 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
638
639         * config/mips/mips.c (override_options): Only warn about -mint64
640         deprecation if TARGET_INT64.
641
642 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
643
644         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
645         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
646         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
647         are non-specific regarding the nonnull parameter positions.
648         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
649         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
650         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
651         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
652         
653         * builtins.def: Use the non-specific "nonnull" attibute lists.
654
655 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
656
657         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
658         single_pred_edge, single_succ, single_pred): Improve comments.
659
660 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
661
662         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
663         single_pred_edge, single_succ, single_pred): New inline functions.
664         * bb-reorder.c (rotate_loop, find_traces_1_round,
665         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
666         duplicate_computed_gotos): Use the single_succ/pred functions.
667         * cfganal.c (forwarder_block_p): Ditto.
668         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
669         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
670         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
671         merge_seq_blocks): Ditto.
672         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
673         * cfglayout.c (fixup_reorder_chain): Ditto.
674         * cfgloop.c (mark_single_exit_loops, update_latch_info,
675         canonicalize_loop_headers, verify_loop_structure): Ditto.
676         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
677         mfb_update_loops, create_preheader, force_single_succ_latches,
678         create_loop_notes): Ditto.
679         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
680         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
681         commit_one_edge_insertion, purge_dead_edges,
682         cfg_layout_can_merge_blocks_p): Ditto.
683         * except.c (sjlj_emit_function_enter): Ditto.
684         * flow.c (init_propagate_block_info): Ditto.
685         * function.c (thread_prologue_and_epilogue_insns): Ditto.
686         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
687         insert_insn_end_bb): Ditto.
688         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
689         find_if_case_2): Ditto.
690         * lambda-code.c (perfect_nestify): Ditto.
691         * lcm.c (optimize_mode_switching): Ditto.
692         * loop-doloop.c (doloop_modify): Ditto.
693         * loop-init.c (loop_optimizer_init): Ditto.
694         * loop-iv.c (simplify_using_initial_values): Ditto.
695         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
696         * loop-unswitch.c (unswitch_loop): Ditto.
697         * modulo-sched.c (generate_prolog_epilog): Ditto.
698         * predict.c (combine_predictions_for_insn, estimate_probability,
699         tree_estimate_probability, last_basic_block_p,
700         estimate_bb_frequencies): Ditto.
701         * profile.c (branch_prob): Ditto.
702         * regrename.c (copyprop_hardreg_forward): Ditto.
703         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
704         * tracer.c (layout_superblocks): Ditto.
705         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
706         cfg_remove_useless_stmts_bb, cleanup_control_flow,
707         cleanup_control_expr_graph, disband_implicit_edges,
708         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
709         tree_verify_flow_info, tree_make_forwarder_block,
710         tree_forwarder_block_p, remove_forwarder_block,
711         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
712         * tree-if-conv.c (tree_if_conversion): Ditto.
713         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
714         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
715         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
716         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
717         copy_loop_headers): Ditto.
718         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
719         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
720         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
721         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
722         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
723         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
724         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
725         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
726         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
727         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
728         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
729         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
730         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
731         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
732         slpeel_add_loop_guard): Ditto.
733
734 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
735
736         PR tree-optimization/15784
737         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
738         and -1 - A to ~A.
739
740         * stmt.c (expand_case): Don't change index_type.  Convert minval
741         to the proper type.
742
743         PR tree-optimization/20130
744         * fold-const.c (fold): Fold x * -1 into -x.
745
746 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
747
748         PR rtl-optimization/20331
749         * rtlanal.c (modified_between_p): Check its address first for MEM.
750         (modified_in_p): Likewise.
751
752 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
753
754         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
755
756 2005-03-10  Steven Bosscher  <stevenb@suse.de>
757
758         * expr.c (expand_expr_real_1): If possible, use a conditional
759         move for expanding MIN_EXPR and MAX_EXPR.
760         Use temp for moving around rtx-en.
761
762 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
763
764         PR rtl-opt/20412
765         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
766         correct mode.
767
768 2005-03-10  Roger Sayle  <roger@eyesopen.com>
769
770         * builtins.c (expand_builtin_signbit): Extend to handle floating
771         point modes wider than the largest integer type, using the
772         operand_subword_force function to obtain the signbit's word.
773
774 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
775
776         PR target/20322
777         * combine.c (try_combine): If recog_for_combine added CLOBBERs
778         to NEWI2PAT, fail to combine if they are used by NEWPAT.
779
780 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
781
782         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
783
784 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
785
786         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
787         type void.
788         (perform_edge_inserts): Unconditionally call
789         free_dominator_info.
790
791         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
792
793 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
794
795         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
796
797 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
798
799         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
800
801         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
802         gcc_unreachable.
803         (rtl_register_value_prof_hooks,
804         tree_value_profile_transformations,
805         tree_register_value_prof_hooks): Likewise.
806         * var-tracking.c (stack_adjust_offset_pre_post,
807         variable_htab_free, variable_union, dataflow_set_different_2,
808         count_uses, variable_was_changed, set_frame_base_location,
809         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
810         vt_add_function_parameters): Likewise.
811         * varasm.c (named_section_real, named_section, make_decl_rtl,
812         asm_emit_uninitialised, assemble_integer, decode_addr_const,
813         const_hash_1, compare_constant, copy_constant, force_const_mem,
814         output_constant_pool_2, output_constant_pool_1, output_constant,
815         output_constructor, make_decl_one_only, decl_tls_model,
816         default_no_named_section, default_elf_select_section_1,
817         default_unique_section_1): Likewise.
818         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
819         * vmsdbgout.c (addr_const_to_string): Likewise.
820
821         PR c++/20375
822         * function.c (struct assign_parm_data_one): Remove last_named
823         field.
824         (assign_parm_find_data_types): Don't determine last_named.
825         Reorder named_parm determination.
826         (assign_parms): Only setup varargs on the last non-varadic
827         parameter.
828
829 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
830
831         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
832         sda base address on medium model.
833
834 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
835
836         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
837         * cfgloop.c (flow_loop_nodes_find): Export.
838         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
839         Declare.
840         * cfgloopmanip.c (fix_loop_structure): New function.
841         * predict.c (predict_loops): Clean up the loops information.
842         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
843         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
844         loop structure.
845         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
846         (rewrite_into_loop_closed_ssa): Declaration changed.
847         * tree-loop-linear.c (linear_transform_loops): Add argument to
848         rewrite_into_loop_closed_ssa call.
849         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
850         * tree-ssa-loop-im.c (move_computations): Ditto.
851         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
852         * tree-vectorizer.c (vectorize_loops): Ditto.
853         * tree-optimize.c: Include cfgloop.h.
854         (execute_todo): Choose whether to call cleanup_tree_cfg or
855         cleanup_tree_cfg_loop.
856         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
857         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
858         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
859         cleanup_tree_cfg_loop call.
860         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
861         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
862         work on part of cfg.
863
864 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
865
866         PR inline-asm/20314
867         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
868         with multiple alternatives.
869
870         * stmt.c (parse_output_constraint): Fix a typo.
871
872 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
873
874         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
875         assembly directive instead of deprecated "no-generics".
876
877 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
878
879         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
880         for non-offsettable memory references to cope with outstanding reload
881         replacements.
882         * config/s390/s390.md ("reload_outti"): Call find_replacement to
883         avoid losing outstanding address reloads.
884         ("reload_outdi", "reload_outdf"): Likewise.
885
886 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
887
888         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
889         code.  Add more cbrt transformations.
890
891 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
892
893         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
894
895 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
896
897         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
898         NULL_TREE when a given tree is not simplified.
899         (fold): Return the original tree when any of the functions
900         mentioned above NULL_TREE.
901
902         * fold-const.c (fold_unary, fold_binary): Take decomposed
903         arguments, code, type, op0, and op1 in case of fold_binary.
904         (fold): Update calls to fold_unary and fold_binary.
905
906 2005-03-09  Roger Sayle  <roger@eyesopen.com>
907
908         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
909         a fndecl and an arglist instead of a CALL_EXPR, exp.
910
911 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
912
913         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
914
915         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
916
917         * expr.c (expand_assignment): Remove orig_to_rtx.
918
919         * fold-const.c (int_const_binop): Remove no_overflow.
920
921         * ifcvt.c (noce_emit_move_insn): Remove inmode.
922
923         * loop-iv.c (get_biv_step_1): Remove lhs.
924
925         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
926
927         * real.c (real_nan): Remove neg.
928
929         * function.c (thread_prologue_and_epilogue_insns): Remove i
930         and newinsn.
931
932         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
933         tb.
934
935         * tree-eh.c (tree_could_trap_p): Remove idx.
936
937         * tree-into-ssa.c (ann): Remove ann.
938
939         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
940
941         * tree-sra.c (decide_block_copy): Remove inst_count.
942
943         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
944
945         * tree-ssa-loop-im.c (lhs): Remove.
946
947         * cfgbuild.c (state, STATE, SET_STATE,
948         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
949         make_edges.
950         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
951         (find_basic_blocks): Set the state of each basic block to
952         BLOCK_NEW.
953
954 2005-03-08  Jeff Law  <law@redhat.com>
955
956         * tree-cfg.c (cleanup_control_flow): If removal of a computed
957         goto results in the removal of edges in the CFG, then we need
958         to recompute dominators.
959
960 2005-03-09  Ben Elliston  <bje@au.ibm.com>
961
962         * c-common.c (c_do_switch_warnings): Comment fix.
963
964 2005-03-08  Julian Brown  <julian@codesourcery.com>
965
966         * Patch from 2005-03-08 reverted for causing regressions and
967         ppc-darwin bootstrap failure.
968
969 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
970
971         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn): 
972         Define the real function for ppc-darwin.
973         * c-typeck.c (convert_arguments): Check for target-specific
974         invalid argument call to unprototyped function.
975         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN): 
976         New Macro.
977         * target.h (invalid_arg_for_unprototyped_fn): New field 
978         in struct calls.
979         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New 
980         default target hook.
981         * targhooks.h (hook_invalid_arg_for_unprototyped_fn): 
982         Declare.
983
984 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
985
986         * c-typeck.c (constructor_stack, constructor_range_stack,
987         initializer_stack): Make them static.
988
989         * cfg.c (rbi_pool): Make it static.
990
991         * gimple-low.c (lower_stmt_body): Make it static.
992         * tree-flow.h: Remove the corresponding prototype.  Don't
993         declare lower_data.
994
995         * sched-deps.c (cache_size): Make it static.
996
997         * stor-layout.c (lang_adjust_rli): Make it static.
998
999 2005-03-08  Julian Brown  <julian@codesourcery.com>
1000
1001         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
1002         from being used for symbols with vague linkage when
1003         HAVE_GAS_COMDAT_GROUP is true.
1004
1005 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
1006
1007         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
1008         nlabel == JUMP_LABEL (jump).
1009
1010 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
1011
1012         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
1013         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
1014         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
1015         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
1016
1017 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
1018
1019         PR c/14411
1020         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
1021         * c-common.c (handle_returns_twice): New function.
1022         (c_common_attribute_table): Declare eturns_twice' attribute.
1023         * doc/extend.texi: Document eturns_twice' attribute.
1024         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
1025         (struct tree_decl): Add returns_twice_flag.
1026
1027 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
1028
1029         * tree-ssa-phiopt.c: Fix a comment typo.
1030
1031         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
1032         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
1033         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
1034         copyright.
1035
1036 2005-03-08  Richard Henderson  <rth@redhat.com>
1037
1038         * config/alpha/alpha.c (code_for_builtin): Replace special-case
1039         builtin codes with ctzdi2, clzdi2, popcountdi2.
1040         (struct alpha_builtin_def): Add is_const.
1041         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
1042         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
1043         (alpha_init_builtins): Init them.  Set nothrow and const attributes
1044         on builtins.
1045         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot, 
1046         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx, 
1047         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh, 
1048         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
1049         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
1050         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
1051         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
1052         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
1053         (TARGET_FOLD_BUILTIN): New.
1054         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
1055         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
1056         (ffsdi2): Use ctz.
1057         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
1058
1059 2005-03-08  Ira Rosen  <irar@il.ibm.com>
1060
1061         PR tree-optimization/20122
1062         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
1063         condition of access function instead of base.
1064
1065 2005-03-07  Jeff Law  <law@redhat.com>
1066             Steven Bosscher  <stevenb@suse.de>
1067
1068         * tree-cfg.c (find_taken_edge_computed_goto): New function.
1069         (find_taken_edge): Call find_taken_edge_computed_goto as
1070         appropriate.  Allow any gimple invariant rather than just
1071         INTEGER_CST for VAL.
1072         (cleanup_control_flow): Cleanup a computed goto which has turned
1073         into a simple goto.
1074         (tree_merge_blocks): If block B has any forced labels, move
1075         them to the start of block A.
1076         * tree-ssa-dom.c (thread_across_edge): Allow threading across
1077         computed gotos as well.
1078         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
1079         removal of unnecessary computed gotos too.
1080         (lookup_redirection_data): Fix type of INSERT argument.  Callers
1081         updated.
1082
1083 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
1084
1085         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
1086         Remove trailing spaces.
1087
1088         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
1089         unshare_all_trees): Make them static.
1090         * tree-gimple.h: Remove the corresponding prototypes.
1091
1092         * diagnostic.h: Remove unused prototype
1093         debug_output_buffer.
1094         * modulo-sched.c: Remove unused prototype
1095         set_row_column_for_ps.
1096
1097         * tree-ssa-phiopt.c (tree_ssa_phiopt,
1098         replace_phi_edge_with_variable): Remove unused variable i.
1099
1100 2005-03-07  Per Bothner  <per@bothner.com>
1101
1102         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
1103
1104 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
1105         
1106         PR tree-opt/17671
1107         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
1108         bbs on the COND_EXPR instead of the PHI_NODEs.
1109         (candidate_bb_for_phi_optimization): Remove.
1110         (replace_phi_with_stmt): Rename to ...
1111         (replace_phi_edge_with_variable): this and change so that we
1112         replace the phi argument instead of removing the PHI.
1113         (conditional_replacement): Change so we deal with PHI with more
1114         than two arguments.
1115         (value_replacement): Likewise.
1116         (abs_replacement): Likewise.
1117
1118 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
1119
1120         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
1121         output_e500_flip_gt_bit.
1122
1123         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
1124         as bit 31.
1125         (rs6000_generate_compare): Fix logic to look at the correct bits.
1126         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
1127         Look at GT bit.
1128         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
1129         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
1130         gen_move_from_CR_gt_bit.
1131
1132         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
1133         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
1134         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
1135
1136         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
1137         (E500_CR_IOR_COMPARE): New constant.
1138
1139 2005-03-08  Earl Chew <earl_chew@agilent.com>
1140             David Billinghurst <David.Billinghurst@riotinto.com>
1141
1142         * config/i386/host-cygwin.c: New file to support precompiled
1143         headers on cygwin
1144         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
1145         * config.host: Use above files for cygwin host.
1146
1147 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
1148
1149         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
1150         ordering ops from earlier change.
1151
1152 2005-03-07  Per Bothner  <per@bothner.com>
1153
1154         Various fixes to allow us to again build if --enable-mapped-location:
1155         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
1156         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
1157         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
1158         local variable loc. Change logic appropriately.
1159         * tree-vect-transform.c (vect_finish_stmt_generation): Use
1160         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.    
1161         * c-parser.c (c_parser_for_statement): Initialize loc variable.
1162         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
1163         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
1164
1165 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
1166
1167         PR rtl-optimization/19683
1168         * reload1.c (choose_reload_regs): Pass the number of bits, not the
1169         number of bytes, to smallest_int_for_mode.  Fix arguments to
1170         REG_CANNOT_CHANGE_MODE_P.
1171
1172 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
1173
1174         * reorg.c (relax_delay_slots): Check that the jump is
1175         conditional before trying to invert it.
1176
1177 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
1178
1179         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
1180         Make them static.
1181
1182         * calls (stack_arg_under_construction): Make it static.
1183
1184         * flow.c (regs_live_at_setjmp): Make it static.
1185         * flow.h: Remove the corresponding prototype.
1186
1187         * reload1.c (reload_startobj, reload_firstobj,
1188         something_needs_operands_changed, reload_inherited,
1189         reload_inheritance_insn, reload_override_in,
1190         reload_spill_index): Make them static.
1191
1192         * recog.c (verify_changes): Make it static.
1193         * recog.h: Remove the corresponding prototype.
1194
1195         * cfgbuild.c (find_sub_basic_blocks): Remove.
1196         * basic-block.h: Remove the corresponding prototype.
1197         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
1198         in comments.
1199         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
1200
1201         * tree-ssa-operands.c (check_build_stmt): Remove.
1202
1203         * stor-layout.c (set_alignment): Remove.
1204         * tree.h: Remove the corresponding prototype.
1205
1206         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
1207
1208         * tree-ssa-dce.c (control_dependence_map,
1209         visited_control_parents): Make them static.
1210
1211         * cfghooks.c (verify_flow_info): Remove local variable
1212         num_bb_notes.
1213
1214         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
1215         last_bb_seen.
1216
1217         * loop-unswitch.c (unswitch_loop): Remove local variable src.
1218
1219 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
1220
1221         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
1222
1223 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
1224
1225         * config/ia64/hpux.h (LINK_SPEC): Add -z.
1226         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
1227         PARALLEL for an empty structure.
1228
1229 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
1230
1231         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
1232
1233         * fold-const.c (fold_binary): Unroll the very first "for"
1234         loop.
1235
1236 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
1237
1238         * config/rs6000/predicates.md (branch_comparison_operator): Remove
1239         redundant match_code test.
1240         (scc_comparison_operator): Swap match_operand and match_code
1241         tests.
1242         (branch_positive_comparison_operator): Same.
1243         (trap_comparison_operator): Use comparison_operator and swap with
1244         match_code test.
1245
1246 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
1247
1248         PR target/20288
1249         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
1250         (out_movhi_r_mr): Read low byte of volatile MEM first.
1251         (out_movhi_mr_r): Write high byte of volatile MEM first.
1252
1253 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
1254
1255         * cselib.c (reg_values, reg_values_size): Make them static.
1256
1257         * cse.c (cse_reg_info_table): Make it static.
1258
1259         * fold-const.c (fold_unary): Use build1 instead of copy_node.
1260
1261 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
1262
1263         * cse.c (find_best_addr): Use canon_for_address.
1264
1265 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
1266
1267         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
1268         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
1269         SUBREG and MEM, respectively.
1270
1271         * fold-const.c (fold_binary): Use code instead of t.
1272
1273         * fold-const.c (optimize_minmax_comparison): Take decomposed
1274         arguments code, type, op0, and op1 instead of t.
1275         (fold_binary): Update a call to optimize_minmax_comparison.
1276
1277         * fold-const.c (fold_range_test): Take decomposed arguments
1278         code, type, op0, and op1 instead of t.
1279         (fold_binary): Update a call to fold_range_test.
1280
1281         * fold-const.c (fold_binary_op_with_conditional_arg): Take
1282         decomposed arguments code, type, op0, and op1 instead of t.
1283         (fold_binary): Update a call to fold_range_test.
1284
1285 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
1286
1287         * fold-const.c (fold_binary): Avoid directly using the original
1288         expression t as much as possible.
1289
1290 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
1291
1292         * c-semantics.c (build_stmt): Use TYPE_P instead of
1293         IS_NON_TYPE_CODE_CLASS.
1294         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
1295         (NON_TYPE_CHECK): Use TYPE_P instead of
1296         IS_NON_TYPE_CODE_CLASS.
1297
1298         * fold-const.c (fold): Remove handling of binary expressions.
1299
1300 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
1301
1302         * doc/c-tree.texi: Wrap comments in @r{}.
1303         * doc/cpp.texi: Likewise.
1304         * doc/cppinternals.texi: Likewise.
1305         * doc/extend.texi: Likewise.
1306         * doc/md.texi: Likewise.
1307         * doc/objc.texi: Likewise.
1308         * doc/sourcebuild.texi: Likewise.
1309         * doc/tm.texi: Likewise.
1310         * doc/tree-ssa.texi
1311
1312 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
1313
1314         * predict.c (apply_return_prediction): Standardize PHI chain
1315         walking.
1316         * tree-ssa.c (ssa_redirect_edge): Likewise.
1317
1318         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
1319         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
1320         Update copyright.
1321
1322         * tree-phinodes.c (remove_phi_node): Drop the last argument.
1323         * tree-flow.h: Adjust the prototype for remove_phi_node.
1324         * lambda-code.c (perfect_nestify): Adjust a call to
1325         remove_phi_node.
1326         * tree-cfg.c
1327         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
1328         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
1329         Likewise.
1330         * tree-ssa-dce.c (remove_dead_phis): Likewise.
1331         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
1332         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
1333         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
1334
1335         * combine.c (simplify_and_const_int): Use gen_int_mode instead
1336         of GEN_INT (trunc_int_for_mode (...)).
1337         * loop-iv.c (iv_number_of_iterations): Likewise.
1338         * postreload.c (reload_cse_move2add): Likewise.
1339         * simplify-rtx.c (simplify_const_unary_operation,
1340         simplify_const_binary_operation): Likewise.
1341         * stor-layout.c (get_mode_bounds): Likewise.
1342
1343         * fold-const.c (fold_binary): New.
1344         (fold): Call fold_binary on binary expressions.
1345
1346 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
1347
1348         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
1349         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
1350         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
1351         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
1352         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
1353
1354 2005-03-04  Devang Patel  <dpatel@apple.com>
1355         
1356         PR tree-optimization/18815
1357         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
1358         loops with zero exit edges.
1359
1360 2005-03-04  Devang Patel  <dpatel@apple.com>
1361
1362         * doc/invoke.texi: Remove reference to webpage that does not exist.
1363         
1364 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
1365             Joseph S. Myers  <joseph@codesourcery.com>
1366
1367         PR c++/19797
1368         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
1369         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
1370         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
1371         * pa.c (get_plabel): Change argument to symbol_ref.  Call
1372         maybe_get_identifier instead of get_identifier.
1373         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
1374         (struct deferred_plabel): Replace name field with symbol field.
1375         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
1376         ASM_OUTPUT_EXTERNAL_REAL is defined.
1377         (output_global_address): Use output_addr_const for output of all
1378         symbol_refs.
1379         (output_deferred_plabels): Use symbol_ref instead of name for address
1380         output.
1381         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
1382         ASM_OUTPUT_SYMBOL_REF): New macros.
1383         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
1384         comment.
1385         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
1386         label.
1387
1388 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
1389
1390         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
1391         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
1392
1393 2005-03-04  Jeff Law  <law@redhat.com>
1394
1395         * basic-block.h (rediscover_loops_after_threading): Declare.
1396         * tree-ssa-dom.c: Include cfgloop.h.
1397         (tree_ssa_dominator_optimize): Discover loops and some basic
1398         properties.  Remove forwarder blocks recreated by loop header
1399         canonicalization.  Also mark backedges in the CFG.
1400         * tree-ssa-threadupdate.c: Include cfgloop.h
1401         (rediscover_loops_after_threading): Define.
1402         (struct local_info): New field, JUMP_THREADED.
1403         (prune_undesirable_thread_requests): New function.
1404         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
1405         then record that fact for the callers of redirct_edges.
1406         (thread_block): If BB has incoming backedges, then call
1407         prune_undesirable_thraed_requests.    Note when we are
1408         going to have to rediscover loop information.  Return a
1409         boolean indicating if any jumps were threaded.
1410         (thread_through_all_blocks): Bubble up boolean indicating
1411         if any jumps were threaded.
1412         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
1413         (tree-ssa-threadupdate.o): Similarly.
1414
1415 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
1416
1417         * fold-const.c (fold_ternary): Unroll the "for" loop to
1418         extract operands.  
1419
1420 2005-03-04  Andrew Haley  <aph@redhat.com>
1421
1422         * unwind-dw2-fde-glibc.c (struct
1423         unw_eh_callback_data.check_cache): New field.
1424         (frame_hdr_cache): New.
1425         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
1426         Cache frame header info.
1427
1428 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
1429
1430         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
1431         (print_c_condition): Declare.
1432         * read-rtl.c (ptr_loc): New structure.
1433         (ptr_locs, ptr_loc_obstack, joined_conditions)
1434         (joined_conditions_obstack): New variables.
1435         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
1436         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
1437         (join_c_conditions, print_c_condition): New functions.
1438         (apply_macro_to_string): Associate the new string with the same
1439         source location as the old one.
1440         (add_condition_to_string): Use join_c_conditions.
1441         (read_string): Use set_rtx_ptr_loc to record a filename and line
1442         number for the string.
1443         (read_rtx): Initialize the new variables above.
1444         * genattrtab.c (write_test_expr, write_attr_value): Use
1445         print_c_condition.
1446         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
1447         comment above the GCC_VERSION check.
1448         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
1449         Inline the definition of MAYBE_EVAL.
1450         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
1451         * genoutput.c (process_template): Likewise.
1452         * genpreds.c (write_predicate_subfunction): Likewise.
1453         (write_predicate_expr): Use print_c_condition.
1454         * genrecog.c (write_cond): Likewise.
1455         * gensupport.c (process_rtx): Use join_c_conditions to join the
1456         conditions of a define_insn_and_split.  Record a source location
1457         for the string after the "&&".
1458         (alter_test_for_insn): Use join_c_conditions.
1459
1460 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
1461
1462         Revert for now:
1463         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
1464         PR tree-optimization/15784
1465         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
1466         and -1 - A to ~A.
1467
1468 2005-03-04  Ben Elliston  <bje@au.ibm.com>
1469
1470         * gcc.c (option_map): Add --coverage.
1471         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
1472         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
1473         * config/darwin.h: Pass -lgcov for `coverage'.
1474         * doc/invoke.texi (Debugging Options): Document --coverage.
1475
1476 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
1477
1478         * gcse.c (bypass_block): Use find_edge wherever possible.
1479
1480 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
1481
1482         Fix PR debug/20253
1483         
1484         * c-opts.c (c_common_parse_file): Call start_source_file
1485         and end_source_file at the approriate times.
1486
1487         * dwarf2out.c (dwarf2out_finish): Don't auto-end
1488         the main file, it will be done for us now.
1489         
1490 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
1491
1492         * fold-const.c (fold_ternary): New.
1493         (fold): Call fold_ternary on ternary expressions.  Remove
1494         handling of ternary expressions.
1495
1496 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
1497
1498         PR tree-optimization/15784
1499         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
1500         and -1 - A to ~A.
1501
1502 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
1503
1504         * config/rs6000/predicates.md (branch_comparison_operator):
1505         Convert from C block to conditional format.
1506
1507 2005-03-03  Jan Hubicka  <jh@suse.cz>
1508
1509         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
1510         and non-constant public variables.
1511
1512 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
1513
1514         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
1515         with LABEL_EXPR.
1516
1517         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
1518         EDGE_I.
1519
1520         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
1521         calls to release_ssa_name and release_phi_node.
1522
1523         * fold-const.c (fold): Remove handling of unary expressions.
1524
1525         * fold-const.c (fold_unary): Avoid directly using the original
1526         expression t as much as possible.
1527
1528 2005-03-03  Roger Sayle  <roger@eyesopen.com>
1529             Andrew Pinski  <pinskia@physics.uc.edu>
1530
1531         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
1532         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
1533
1534 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
1535
1536         Describe special registers SRP and MOF as allocatable registers.
1537         * config/cris/cris.c (cris_md_asm_clobbers): New function.
1538         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
1539         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
1540         TARGET_HAS_MUL_INSNS.
1541         (cris_print_operand) <case 'd'>: New case.
1542         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
1543         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
1544         define.
1545         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
1546         (REG_ALLOC_ORDER): Update for MOF.
1547         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
1548         SPECIAL_REGS.
1549         (GENERAL_REGS): No longer a define of ALL_REGS.
1550         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
1551         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
1552         Adjust accordingly.
1553         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
1554         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
1555         (SECONDARY_RELOAD_CLASS): Define.
1556         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
1557         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
1558         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
1559         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
1560         (REGISTER_MOVE_COST): Define.
1561         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
1562         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
1563         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
1564         (CRIS_MOF_REGNUM): New define_constants.
1565         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
1566         special registers.
1567         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
1568         New patterns.
1569         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
1570         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
1571         Adjust for MOF being properly described as a register.
1572         (indir_to_reg_split): Name this split.  Conditionalize on the
1573         destination register being a general register.
1574         (movei): Conditionalize on on operands 0 and 1 having the same
1575         register class.
1576
1577 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
1578
1579         PR target/20277
1580         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
1581         -mcpu to override any other explicitly given flags.
1582
1583 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
1584
1585         * recog.c (verify_changes, confirm_change_group): New functions,
1586         broken out of apply_change_group.
1587         (apply_change_group): Use them.
1588         * recog.h (verify_change, confirm_change_group): Declare.
1589         * rtl.h (redirect_jump_2): Declare.
1590         * jump.c (redirect_exp, invert_exp): Delete.
1591         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
1592         (redirect_jump_2): New function, broken out of redirect_jump.
1593         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
1594         (invert_jump): Use invert_jump_1 and redirect_jump_2.
1595         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
1596
1597 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
1598
1599         * varasm.c (named_section): Use xstrdup rather than doing it by
1600         hand.
1601
1602         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
1603
1604 2005-03-02  Devang Patel  <dpatel@apple.com>
1605         
1606         Undo PR tree-optimization/18815 fix.
1607         
1608 2005-03-02  Devang Patel  <dpatel@apple.com>
1609
1610         PR tree-optimization/18815
1611         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
1612         loops with zero exit edges.
1613         
1614 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
1615
1616         * cfg.c (connect_src, connect_dest, disconnect_src,
1617         disconnct_dest): New.
1618         (unchecked_make_edge, remove_edge, redirect_edge_succ,
1619         redirect_edge_pred): Use the new functions.
1620
1621         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
1622         free_dominance_info only when needed.
1623
1624 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
1625
1626         PR target/20276
1627         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
1628         (reg_or_sub_cint64_operand): Same.
1629
1630 2005-03-02  Jeff Law  <law@redhat.com>
1631
1632         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
1633         CFG_ALTERED in the main DOM iteration loop.
1634
1635 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
1636
1637         PR c++/19916
1638         * varasm.c (initializer_constant_valid_p): Allow conversions
1639         between OFFSET_TYPEs.  Tidy.
1640
1641 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
1642
1643         * config/cris/cris.md ("return"): Remove epilogue delay list
1644         sanity check.
1645
1646 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
1647
1648         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
1649         for Thumb.
1650         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
1651
1652 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
1653
1654         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
1655         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
1656         config/m68k/m68k.c, config/mips/mips.h,
1657         config/rs6000/rs6000-protos.h, doc/contrib.texi,
1658         doc/include/gcc-common.texi: Update copyright.
1659
1660         PR middle-end/18029 and PR middle-end/18030
1661         * expr.c (optimize_bitfield_assignment_op): Add a special case
1662         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
1663
1664         * fold-const.c (fold_unary): New.
1665         (fold): Call fold_unary on unary expressions.
1666
1667 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
1668
1669         * cgraph.h (struct cgraph_edge): Add prev_caller and
1670         prev_callee fields.
1671         (cgraph_node_remove_callees): Export.
1672         * cgraph.c (cgraph_create_edge): Initialize prev_caller
1673         and prev_callee.
1674         (cgraph_edge_remove_callee): New function.
1675         (cgraph_edge_remove_caller): Likewise.
1676         (cgraph_remove_edge): Use.
1677         (cgraph_redirect_edge_callee): Likewise.
1678         (cgraph_node_remove_callees): New function.
1679         (cgraph_node_remove_callers): Likewise.
1680         (cgraph_remove_node): Use.
1681         * tree-optimize.c (tree_rest_of_compilation): Use
1682         cgraph_node_remove_callees instead of manual loop.
1683         * cgraphunit.c (cgraph_finalize_function): Likewise.
1684         (cgraph_expand_function): Likewise.
1685         (cgraph_remove_unreachable_nodes): Likewise.
1686
1687 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
1688
1689         PR c/8927
1690         * c-tree.h (undeclared_variable, build_external_ref): Add extra
1691         argument.
1692         * c-decl.c (undeclared_variable): Take location as argument.
1693         * c-typeck.c (build_external_ref): Likewise.
1694         * c-parser.c (c_parser_postfix_expression): Pass location of
1695         identifier to build_external_ref.
1696
1697 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
1698
1699         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
1700         CCEQ mode for branch_positive_comparison_operator test.
1701         * config/rs6000/predicates (branch_comparison_operator): Revert to
1702         define_predicate.
1703         (scc_comparison_operator): Same.
1704         (branch_positive_comparison_operator): Same.
1705
1706 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
1707
1708         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
1709         (cris_delay_slots_for_epilogue): Remove.
1710         (save_last): Move into cris_target_asm_function_epilogue.
1711         (cris_target_asm_function_epilogue): Remove tests for file being
1712         NULL.
1713         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
1714         (cris_delay_slots_for_epilogue): Remove prototypes.
1715         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
1716         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
1717
1718 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
1719
1720         * config/rs6000/predicates.md (branch_comparison_operator): Change
1721         to define_special_predicate.
1722         (scc_comparison_operator): Same.
1723         (branch_positive_comparison_operator): Same.
1724
1725 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
1726
1727         * Makefile.in (tree-ssa-sink.o): New.
1728         (OBJS-common): Add tree-ssa-sink.o.
1729         * common.opt: Add -ftree-sink
1730         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
1731         * timevar.def (TV_TREE_SINK): new timevar.
1732         * tree-flow.h (is_hidden_global_store): Prototype.
1733         * tree-optimize.c (init_tree_optimization_passes): Add
1734         pass_sink_code.
1735         * tree-pass.h (pass_sink_code): New.
1736         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
1737         for non-obvious global store store to is_hidden_global_store, and
1738         call that new function.
1739         * tree-ssa-sink.c: New file.
1740         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
1741         * doc/passes.texi: Document forward store motion.
1742         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
1743         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
1744         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
1745         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
1746
1747 2005-03-01  Per Bothner  <per@bothner.com>
1748
1749         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
1750         and we have a non-zero column-number, add it to the message.
1751         Also factor out the diagnostic_kind_text.
1752
1753 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
1754
1755         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
1756         flow_loop_pre_header_scan, flow_loop_pre_header_find,
1757         flow_loop_scan): Removed.
1758         (flow_loop_dump): Do not dump removed fields.
1759         (flow_loop_free): Do not free removed fields.
1760         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
1761         (loop_exit_edge_p): New function.
1762         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
1763         num_pre_header_edges, entry_edges, num_entries, exit_edges,
1764         num_exits, exits_doms.
1765         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
1766         LOOP_EDGES, LOOP_ALL): Removed.
1767         (flow_loop_scan): Declaration removed.
1768         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
1769         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
1770         flow_loops_find.
1771         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
1772         (if_convert): Call flow_loops_find and flow_loops_free
1773         when calling mark_loop_exit_edges.
1774         * cfgloopanal.c (mark_loop_exit_edges): Moved from
1775         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
1776         free_dominance_info calls.
1777         * loop-init.c (flow_loops_find): Ditto.
1778         * passes.c (rest_of_handle_branch_prob): Ditto.
1779         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
1780         * loop-unroll.c (analyze_insns_in_loop): Do not use
1781         EDGE_LOOP_EXIT.
1782         * predict.c (predict_loops): Do not call flow_loop_scan.
1783         Use get_loop_exit_edges.
1784         (tree_estimate_probability): Do not pass flags to flow_loops_find.
1785         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
1786         Do not use EDGE_LOOP_EXIT.
1787         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
1788         to bb_with_exit_edge_p.
1789         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
1790         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
1791         to bb_with_exit_edge_p.
1792         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
1793         EDGE_LOOP_EXIT.
1794         * tree-loop-linear.c (linear_transform_loops): Do not call
1795         flow_loop_scan.  Use loop->single_exit.
1796         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
1797         (vect_analyze_loop_form): Do not call flow_loop_scan.
1798         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
1799         loop->single_exit.
1800         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
1801         loop->single_exit.
1802         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
1803         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
1804         slpeel_tree_duplicate_loop_to_edge_cfg,
1805         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
1806         Use loop_preheader_edge and loop->single_exit.  Do not call
1807         flow_loop_scan.
1808
1809 2005-03-01  Nick Clifton  <nickc@redhat.com>
1810
1811         * config/arm/arm.c (thumb_find_work_register): Check all of the
1812         argument registers to see if they are free, and a couple of
1813         special cases where the last argument register but can be proved
1814         to be available during the function's prologue.
1815         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
1816         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
1817         thumb_unexpanded_epilogue): Use unsigned long as the type for the
1818         register bit-mask.
1819         (thumb_compute_save_reg_mask): Likewise.  Also use
1820         thumb_find_work_register() to ensure that there is agreement about
1821         which work register is going to be used in the prologue.
1822         (thumb_output_function_prologue): Use unsigned long as the type
1823         for the register bit-mask.  Also delay pushing the link register if
1824         other high registers are going to be pushed.
1825         (thumb_compute_save_reg_mask, emit_multi_reg_push,
1826         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
1827         redundant prototypes.
1828
1829 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
1830
1831         PR target/19819
1832         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
1833         and after reload in REG+REG indexed addresses without REG_POINTER
1834         set in the base and not set in the index.
1835
1836 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
1837
1838         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
1839         Don't undefine here.
1840         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
1841         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
1842         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
1843         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
1844         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
1845         Delete.
1846         * config.gcc (sh*-*-linux*): Use config/linux.h.
1847
1848 2005-02-28  Dale Johannesen  <dalej@apple.com>
1849             Stan Shebs  <shebs@apple.com>
1850
1851         Rewrite of 64-bit Darwin structure-by-value pass/return.
1852         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
1853         intoffset, use_stack, named.
1854         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
1855         (rs6000_darwin64_record_arg_advance_flush):  New.
1856         (rs6000_darwin64_record_arg_advance_recurse): New.
1857         (rs6000_darwin64_record_arg_flush):  New.
1858         (rs6000_darwin64_record_arg_recurse):  New.
1859         (rs6000_darwin64_record_arg):  New.
1860         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
1861         (function_arg_boundary):  Handle 128-bit aligned structs.
1862         (function_arg_advance):  Rewrite darwin64 struct handling.
1863         (function_arg):  Call rs6000_darwin64_record_arg.
1864         (function_arg_partial_nregs):  Handle darwin64 structs.
1865         (rs6000_darwin64_function_value):  Remove.
1866         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
1867
1868 2005-02-28  Roger Sayle  <roger@eyesopen.com>
1869
1870         PR tree-optimization/20216
1871         * tree-chrec.c (tree_fold_factorial): Delete.
1872         (tree_fold_binomial): Change argument list to take a return type
1873         and change the type of K to unsigned int.  Rewrite to avoid explicit
1874         evaluation of factorials, and (recursively) calling fold to perform
1875         compile-time arithmetic.  Return NULL on (internal) overflow.
1876         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
1877         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
1878         if any intermediate calculation overflows.
1879         (chrec_apply): Update call to chrec_evaluate.
1880
1881 2005-02-28  James E Wilson  <wilson@specifixinc.com>
1882
1883         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
1884
1885 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
1886
1887         PR c/20245
1888         * c-parser.c (c_parser_compound_statement): Return error_mark_node
1889         instead of NULL_TREE on error.
1890
1891 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
1892
1893         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
1894         (EASY_VECTOR_15_ADD_SELF): Remove.
1895         (num_insns_constant_wide): Not static.
1896         (validate_condition_mode): Not static.
1897         (toc_relative_expr_p): Not static.
1898         (legitimate_indirect_address_p): Not static.
1899         (macho_lo_sum_memory_operand): Not static.
1900         (invalid_e500_subreg): Not static.
1901         (easy_vector_same): Not static.
1902         (easy_vector_splat_const): Not static.
1903         (RS6000_SYMBOL_REF_TLS_P): Remove.
1904         (any_operand): Delete.
1905         (any_parallel_operand): Delete.
1906         (count_register_operand): Delete.
1907         (altivec_register_operand): Delete.
1908         (xer_operand): Delete.
1909         (s8bit_cint_operand): Delete.
1910         (short_cint_operand): Delete.
1911         (u_short_cint_operand): Delete.
1912         (non_short_cint_operand): Delete.
1913         (exact_log2_cint_operand): Delete.
1914         (gpc_reg_operand): Delete.
1915         (cc_reg_operand): Delete.
1916         (cc_reg_not_cr0_operand): Delete.
1917         (reg_or_short_operand): Delete.
1918         (reg_or_neg_short_operand): Delete.
1919         (reg_or_aligned_short_operand): Delete.
1920         (reg_or_u_short_operand): Delete.
1921         (reg_or_cint_operand): Delete.
1922         (reg_or_arith_cint_operand): Delete.
1923         (reg_or_add_cint64_operand): Delete.
1924         (reg_or_sub_cint64_operand): Delete.
1925         (reg_or_logical_cint_operand): Delete.
1926         (got_operand): Delete.
1927         (got_no_const_operand): Delete.
1928         (easy_fp_constant): Delete.
1929         (easy_vector_constant): Delete.
1930         (easy_vector_constant_add_self): Delete.
1931         (zero_constant): Delete.
1932         (zero_fp_constant): Delete.
1933         (volatile_mem_operand): Delete.
1934         (offsettable_mem_operand): Delete.
1935         (mem_or_easy_const_operand): Delete.
1936         (add_operand): Delete.
1937         (non_add_cint_operand): Delete.
1938         (logical_operand): Delete.
1939         (non_logical_cint_operand): Delete.
1940         (mask_operand): Delete.
1941         (mask_operand_wrap): Delete.
1942         (mask64_operand): Delete.
1943         (mask64_2_operand): Delete.
1944         (and64_operand): Delete.
1945         (and64_2_operand): Delete.
1946         (and_operand): Delete.
1947         (reg_or_mem_operand): Delete.
1948         (lwa_operand): Delete.
1949         (symbol_ref_operand): Delete.
1950         (call_operand): Delete.
1951         (current_file_function_operand): Delete.
1952         (input_operand): Delete.
1953         (rs6000_nonimmediate_operand): Delete.
1954         (rs6000_tls_symbol_ref): Delete.
1955         (save_world_operation): Delete.
1956         (restore_world_operation): Delete.
1957         (load_multiple_operation): Delete.
1958         (store_multiple_operation): Delete.
1959         (vrsave_operation): Delete.
1960         (mfcr_operation): Delete.
1961         (mtcrf_operation): Delete.
1962         (lmw_operation): Delete.
1963         (stmw_operation): Delete.
1964         (branch_comparison_operator): Delete.
1965         (branch_positive_comparison_operator): Delete.
1966         (scc_comparison_operator): Delete.
1967         (trap_comparison_operator): Delete.
1968         (boolean_operator): Delete.
1969         (boolean_or_operator): Delete.
1970         (min_max_operator): Delete.
1971         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
1972         (EASY_VECTOR_15): Moved to here.
1973         (EASY_VECTOR_15_ADD_SELF): Move to here.
1974         (PREDICATE_CODES): Delete.
1975         * config/rs6000/rs6000-protos.h: Delete predicate functions.
1976         Declare functions no longer static.
1977         * config/rs6000/predicates.md: New.
1978         * config/rs6000/rs6000.md: Include predicates.md
1979
1980 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
1981
1982         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
1983         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
1984         REG_ALWAYS_RETURN.
1985         * cfgrtl.c (need_fake_edge_p): Likewise.
1986         * combine.c (distribute_notes): Likewise.
1987         * emit-rtl.c (try_split): Likewise.
1988         * recog.c (peephole2_opimize): Likewise.
1989         * reg-notes.def (ALWAYS_RETURN): Remove.
1990         * rtl.h (LCT_ALWAYS_RETURN): Remove.
1991         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
1992         * tree.h (ECF_ALWAYS_RETURN): Remove.
1993
1994 2005-02-28  Roger Sayle  <roger@eyesopen.com>
1995
1996         PR middle-end/19874
1997         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
1998         between different machine modes is never a "useless" conversion.
1999
2000 2005-02-28  Geert Bosch  <bosch@gnat.com>
2001
2002         PR ada/15977
2003         * doc/contrib.texi: List contributors for Ada front end
2004
2005 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
2006
2007         * simplify-rtx.c (simplify_unary_operation_1,
2008         simplify_const_unary_operation): New, extracted from...
2009         (simplify_unary_operation): ... this one.
2010         (simplify_binary_operation_1,
2011         simplify_const_binary_operation): New, extracted from...
2012         (simplify_binary_operation): ... this one.
2013         * rtl.h (simplify_const_unary_operation,
2014         simplify_const_binary_operation): Add prototypes.
2015
2016 2005-02-28  Julian Brown  <julian@codesourcery.com>
2017
2018         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
2019         building libjava and caused PR regression/20228.
2020
2021 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
2022
2023         PR bootstrap/17383
2024         * Makefile.in (host_subdir): New.
2025         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
2026         * configure: Regenerate.
2027
2028 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
2029
2030         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
2031         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
2032         installation directory first.
2033
2034 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
2035
2036         PR target/19065.
2037         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
2038         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
2039         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
2040         * config/cris/cris.md: Tweak comments referring to Q.
2041         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
2042         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
2043         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
2044         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
2045         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
2046         Insert spaces in constraints to align alternatives vertically for
2047         readability.
2048         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
2049         operand 1: "M".
2050
2051 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2052
2053         PR rtl-optimization/17728
2054         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
2055         operand 0 from general_operand to move_dest_operand.
2056
2057 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2058
2059         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
2060         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
2061         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
2062         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
2063
2064 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
2065
2066         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
2067         * configure: Regenerate.
2068         * libada-mk.in: Remove CC; rename
2069         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
2070
2071 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
2072
2073         PR tree-opt/20188
2074         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
2075         for the lhs, also walk over the tree.  Likewise for rhs.
2076
2077 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
2078
2079         * tree-ssa-dom.c (simple_iv_increment_p): New function.
2080         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
2081         Do not propagate value of iv before increment over the increment.
2082
2083 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
2084
2085         * c-parser.c: New file.
2086         * c-parse.in: Remove.
2087         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
2088         Remove.
2089         (c-parser.o): Add dependencies.
2090         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
2091         maintainer-clean, TAGS): Update.
2092         * c-config-lang.in (gtfiles): Update.
2093         * gengtype-lex.l: Don't handle "@@".
2094         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
2095         objc_build_synchronized, objc_begin_try_stmt,
2096         objc_begin_catch_clause, objc_finish_catch_clause,
2097         objc_build_finally_clause, objc_finish_try_stmt): New.
2098         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
2099         type_seen_p.
2100         (c_parse_init): Update comment.
2101         * c-decl.c (c_init_decl_processing): Update comment.
2102         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
2103         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
2104         new c_declspecs members.
2105
2106 2005-02-25  Julian Brown  <julian@codesourcery.com>
2107
2108         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
2109         from being used for symbols with vague linkage when
2110         HAVE_GAS_COMDAT_GROUP is true.
2111
2112 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
2113
2114         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
2115
2116 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
2117
2118         PR target/19930
2119         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
2120         (LIBGCC2_HAS_DF_MODE): New.
2121         (LIBGCC2_HAS_XF_MODE): New.
2122         (LIBGCC2_HAS_TF_MODE): New.
2123         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
2124         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
2125         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
2126         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
2127         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
2128         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
2129         and add _fixtfdi, _fixunstfdi, _floatditf
2130         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
2131         L_fixunstfdi, L_floatditf.
2132         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
2133         (LIBGCC2_HAS_TF_MODE): Define.
2134
2135 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
2136
2137         PR tree-optimization/20204
2138         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
2139         REWRITE_THIS_STMT markers on PHI nodes.
2140         (rewrite_initialize_block): Likewise.
2141
2142 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
2143
2144         * version.c (version_string): Update to 4.1.
2145
2146 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
2147
2148         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
2149         Clarify that the alternative way doesn't work in GNU C++.
2150
2151 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
2152
2153         PR tree-optimization/19937
2154         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
2155         to the type of the induction variable.
2156
2157 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
2158
2159         PR rtl-optimization/20117
2160         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
2161         the block including noncopyable insn.
2162
2163 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
2164
2165         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
2166         calls to find_reg_note.
2167
2168 2005-02-24  Richard Henderson  <rth@redhat.com>
2169
2170         PR tree-opt/20127
2171         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
2172         the type.
2173
2174 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
2175
2176         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
2177         vector types if to use base reg for misaligned non-word ld/std.
2178
2179 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
2180
2181         PR target/14619
2182         * config/cris/cris.c (cris_target_asm_function_prologue): Create
2183         dwarf2 label manually and put it after, not before the prologue.
2184
2185 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
2186
2187         PR target/19019
2188         * reload.c (operands_match_p): Only increment register number for
2189         SCALAR_INT_MODE_P modes in multiple hard registers.
2190
2191         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
2192         Fix formatting.
2193
2194 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2195
2196         * ChangeLog.5: Fix log message typo(s).
2197         * ChangeLog.7: Likewise.
2198         * ChangeLog.tree-ssa: Likewise.
2199         * cfgexpand.c: Fix comment typo(s).
2200         * conflict.c: Likewise.
2201         * defaults.h: Likewise.
2202         * dwarf2out.c: Likewise.
2203         * gcse.c: Likewise.
2204         * ggc-page.c: Likewise.
2205         * tree-eh.c: Likewise.
2206         * tree-ssa-dom.c: Likewise.
2207
2208 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
2209
2210         PR target/19019
2211         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
2212         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
2213         if SHARED is defined.
2214
2215         PR target/20196
2216         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
2217         allow splitting only if operands 0 and 3 don't overlap.
2218
2219 2005-02-24  Richard Henderson  <rth@redhat.com>
2220
2221         PR middle-end/19953
2222         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
2223         (fold_builtin_1): Call them.
2224         * fold-const.c (fold_complex_mult_parts): Split out from ...
2225         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
2226         (fold_complex_div_parts, fold_complex_div): New.
2227         (fold): Use them.
2228         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
2229
2230 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2231
2232         * tree-ssa-ccp.c (visit_assignment): Verify that result of
2233         VIEW_CONVERT_EXPR is_gimple_min_invariant.
2234
2235         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
2236         (print_node): Likewise.
2237         Print TYPE_SIZES_GIMPLIFIED.
2238
2239 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
2240
2241         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
2242         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
2243         operands as commutative in constraints.
2244
2245 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
2246
2247         * tree-into-ssa.c: Re-organize internal functions.
2248
2249 2005-02-24  Richard Henderson  <rth@redhat.com>
2250
2251         PR middle-end/18902
2252         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
2253         for c99.
2254         * common.opt (fcx-limited-range): New.
2255         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
2256         * toplev.c (flag_complex_method): Initialize to 1.
2257         (process_options): Set flag_complex_method to 0 if
2258         flag_cx_limited_range.
2259         * doc/invoke.texi (-fcx-limited-range): New.
2260
2261 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
2262
2263         * cse.c (delete_trivially_dead_insns): Speed up by using
2264         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
2265         prev_real_insn.
2266
2267 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
2268
2269         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
2270         functions when -mid-shared-library is being used.
2271
2272 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
2273
2274         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
2275         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
2276         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
2277         * system.h: Poison LINK_LIBGCC_SPECIAL.
2278
2279 2005-02-23  James E Wilson  <wilson@specifixinc.com>
2280
2281         * gengtype.c (note_insn_name): Make 1 element larger.
2282
2283 2005-02-23  Roger Sayle  <roger@eyesopen.com>
2284
2285         PR target/20018
2286         PR rtl-optimization/20097
2287         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
2288         BImode SUBREGs of SImode registers which confuse the ia64 backend.
2289
2290 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
2291
2292         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
2293         * t-aix52 (SHLIB_INSTALL): Same.
2294
2295 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
2296
2297         * genpreds.c: Update copyright.
2298
2299 2005-02-23  Michael Beach  <michaelb@ieee.org>
2300
2301         PR target/20159
2302         * config/sparc/t-elf (startup files): Assemble with CPP.
2303
2304 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
2305
2306         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
2307         (write_predicate_expr): Likewise.
2308
2309 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
2310
2311         PR tree-optimization/20100
2312         PR tree-optimization/20115
2313         * tree-optimize.c (init_tree_optimization_passes): Remove
2314         pass_maybe_create_global_var.
2315         * tree-pass.h (pass_maybe_create_global_var): Remove.
2316         * tree-ssa-alias.c (aliases_computed_p): Declare.
2317         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
2318         (count_calls_and_maybe_create_global_var): Remove.
2319         (pass_maybe_create_global_var): Remove.
2320         (init_alias_info): Do not declare aliases_computed_p.
2321         (maybe_create_global_var): If the function contains no
2322         call-clobbered variables and a mix of pure/const and regular
2323         function calls, create .GLOBAL_VAR.
2324         Mark all call-clobbered variables for renaming.
2325         (merge_pointed_to_info): Update comment.
2326         (add_pointed_to_var): Likewise.
2327         (is_escape_site): Likewise.
2328         Accept struct alias_info * instead of size_t *.
2329         Update all users.
2330         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
2331         as necessary.
2332         * tree-ssa-operands.c (get_call_expr_operands): If
2333         ALIASES_COMPUTED_P is false, do not add call-clobbering
2334         operands.
2335         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
2336         (delete_tree_ssa): Likewise.
2337
2338 2005-02-22  James E Wilson  <wilson@specifixinc.com>
2339
2340         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
2341         (do_compile): Do call it here.
2342
2343 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
2344
2345         PR rtl-optimization/20017.
2346         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
2347         rest_of_handle_cse2, rest_of_handle_gcse): Call
2348         delete_dead_jumptables immediately before calling cleanup_cfg.
2349
2350 2005-02-22  Devang Patel  <dpatel@apple.com>
2351
2352         PR 19952
2353         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
2354         all labels
2355
2356 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
2357
2358         * config/rs6000/aix.h (WINT_TYPE): Define.
2359
2360 2005-02-22  Stan Shebs  <shebs@apple.com>
2361
2362         * config/rs6000/rs6000.c (rs6000_override_options): Default to
2363         natural alignment for 64-bit Darwin.
2364         (rs6000_parse_alignment_option): Warn about uses of -malign-power
2365         on 64-bit Darwin.
2366         * doc/invoke.texi: Document this.
2367
2368 2005-02-22  DJ Delorie  <dj@redhat.com>
2369
2370         * c-common.c (c_common_type_for_mode): Pass the mode's precision
2371         to make_[un]signed_type, not the mode itself.
2372
2373 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
2374
2375         * cfg.c (cached_make_edge): Call make_edge if edge cache is
2376         not available.  Use tail calls wherever possible.
2377         (make_edge): Call unchecked_make_edge to create an edge.
2378
2379         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
2380         (coalesce_ssa_name): Don't check for
2381         SSANORM_USE_COALESCE_LIST.
2382         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
2383
2384 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
2385
2386         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
2387         (rewrite_into_ssa): ... here.
2388
2389 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
2390
2391         PR tree-optimization/19786
2392         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
2393         tag to another's may-alias bitmap when adding to the other's list.
2394
2395 2005-02-21  DJ Delorie  <dj@redhat.com>
2396
2397         * tree-ssa-loop-ivopts.c (computation_cost): Start register
2398         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
2399         registers in unsupported ways.
2400         * expmed.c (init_expmed): Likewise.
2401
2402 2005-02-21  Stan Cox  <scox@redhat.com>
2403
2404         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
2405
2406 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
2407
2408         * tree-cfg.c (fold_cond_expr_cond): New.
2409         (make_edges): Call fold_cond_expr_cond.
2410         (find_taken_edge): Accept nothing but INTEGER_CST.
2411         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
2412         and 1.
2413         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
2414
2415         * flow.c (delete_dead_jumptables): Speed up by scanning insns
2416         that do not belong to any basic block.
2417
2418 2005-02-21  Jeff Law  <law@redhat.com>
2419
2420         * cfganal.c (find_unreachable_blocks): Manually CSE load of
2421         e->dest.
2422
2423 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
2424
2425         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
2426         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
2427         Adjust their definitions.
2428         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
2429         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
2430
2431         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
2432         genautomata.c, langhooks.c, langhooks.h, system.h,
2433         config/arm/lib1funcs.asm: Update copyright.
2434
2435 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
2436
2437         * dbxout.c (dbxout_function_end): Emit Lscope label always.
2438
2439 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
2440
2441         PR bootstrap/13770
2442         * doc/install.texi: Document --with-gc.
2443
2444 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
2445
2446         * simplify-rtx.c (simplify_unary_operation): Add a missing
2447         "break" statement.
2448
2449 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
2450
2451         PR tree-optimization/18663
2452         * tree-ssa-dom.c (extract_range_from_cond): Return 0
2453         if the type has variable bounds.
2454
2455 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
2456
2457         * gcse.c: Remove an obsolete comment.
2458
2459         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
2460
2461 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
2462
2463         * doc/extend.texi (Function Attributes) <Attribute const>: The
2464         attribute "pure" is below this text, not above.
2465
2466 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2467
2468         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
2469         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
2470         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
2471
2472 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
2473
2474         PR 18785
2475         * langhooks.h (struct lang_hooks): Add to_target_charset.
2476         * langhooks.c (lhd_to_target_charset): New function.
2477         * langhooks-def.h: Declare lhd_to_target_charset.
2478         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
2479         (LANG_HOOKS_INITIALIZER): Update.
2480         * c-common.c (c_common_to_target_charset): New function.
2481         * c-common.h: Declare it.
2482         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
2483         c_common_to_target_charset.
2484
2485         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
2486         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
2487         Delete definitions.
2488         * system.h: Poison them.
2489         * doc/tm.texi: Don't discuss them.
2490         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
2491         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
2492         (pp_c_char): Do not attempt to generate letter escapes for
2493         newline, tab, etc.
2494         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
2495         * config/mips/mips.c (mips_output_ascii): Likewise.
2496
2497 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
2498
2499         PR tree-optimization/19951
2500         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
2501         is abnormal.
2502
2503 2005-02-19  Steven Bosscher  <stevenb@suse.de>
2504
2505         PR middle-end/19698
2506         * function.h (struct function): New field `max_loop_depth'.
2507         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
2508         (flow_loops_find): Reset the max loop depth count before finding loops.
2509         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
2510         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
2511         (calculate_global_regs_live): Make sure the loop will terminate
2512         when the initial sets are not empty.
2513
2514 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
2515
2516         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
2517         object inside.
2518         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
2519
2520 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
2521
2522         PR other/19525
2523         * doc/invoke.texi: Remove documentation of %M spec.
2524         * gcc.c: Likewise.
2525         (init_spec): Remove %M suffix from -lgcc_s.
2526         (do_spec_1): Remove 'M' case.
2527         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
2528         to put shared libraries in the multilib directory.  Remove the
2529         shlib_so_soname substitution variable.  Don't add a multilib encoding
2530         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
2531         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
2532         SHLIB_INSTALL as well as SHLIB_LINK.
2533         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
2534         (SHLIB_NAME): Delete.
2535         (SHLIB_DIR): New macro.
2536         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
2537         (SHLIB_INSTALL): Adjust accordingly.
2538         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
2539         * config/t-slibgcc-sld: Likewise.
2540         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
2541         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
2542         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
2543         in $(SHLIB_DIR).
2544         (SHLIBUNWIND_INSTALL): Adjust accordingly.
2545         * config/i386/t-nwld (SHLIB_SONAME): Delete.
2546         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
2547         Use @shlib_base_name@ instead of @shlib_so_name@.
2548         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
2549         and @shlib_base_name@.so in @multilib_dir@.
2550         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
2551         to the install path.
2552         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
2553         (SHLIB_LINK): Remove previous workaround.
2554         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
2555         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
2556         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
2557         the install path.
2558         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
2559         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
2560         (SHLIB_INSTALL): Adjust accordingly.
2561         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
2562         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
2563         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
2564         config/t-slibgcc-elf-ver.
2565
2566 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
2567             Jakub Jelinek  <jakub@redhat.com>
2568
2569         PR tree-optimization/19828
2570         * tree-ssa-loop-im.c: Add a TODO comment.
2571         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
2572         without side-effects.
2573
2574 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
2575
2576         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
2577         call fold_convert.
2578
2579 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
2580
2581         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
2582         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
2583         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
2584         functions.
2585         (ia64_reorg): Delete fixup_errata call.
2586         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
2587         (TARGET_SWITCHES): Delete -mb-step entry.
2588
2589 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
2590
2591         PR c/20043
2592         * c-typeck.c (composite_type): Handle quals in transparent unions.
2593         (type_lists_compatible_p): Likewise.
2594
2595 2005-02-18  Stan Shebs  <shebs@apple.com>
2596
2597         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
2598         expressions in the .literal8 section.
2599
2600 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
2601
2602         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
2603
2604 2005-02-18  Roger Sayle  <roger@eyesopen.com>
2605
2606         * fold-const.c (constant_boolean_node): Always create values of the
2607         specified type, don't bother calling truthvalue_conversion.
2608
2609 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
2610
2611         * except.c (output_function_exception_table): Call
2612         assemble_external_libcall (eh_personality_libfunc).
2613
2614 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
2615
2616         PR target/19886
2617         * config/ia64/ia64.h (struct machine_function): Add state_num.
2618         * config/ia64/ia64.c (process_epilogue,
2619         process_for_unwind_directive): Use new unwind state numbers each
2620         time rather than state 1.
2621
2622 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
2623
2624         PR target/20054
2625         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
2626         before the "*llgt_didi" pattern.
2627
2628 2005-02-18  Jason Merrill  <jason@redhat.com>
2629
2630         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
2631
2632 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
2633
2634         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
2635         (div0): Use it in place of ARM_FUNC_ALIAS.
2636         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
2637
2638 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
2639
2640         PR middle-end/20030
2641         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
2642         access, the lower bound of the array type if it exists.
2643
2644 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
2645
2646         PR c++/20008
2647         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
2648         cases that are out-of-range for the index type.
2649
2650 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
2651
2652         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
2653         (estimate_case_costs): Don't call convert.
2654         * expmed.c (expand_shift): Likewise.
2655         (make_tree): Call fold_convert instead of convert.
2656
2657 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
2658
2659         PR c++/19813
2660         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
2661         that ref to be marked MEM_READONLY_P doesn't have base that needs
2662         constructing.
2663
2664 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
2665
2666         * genautomata.c (output_get_cpu_unit_code_func,
2667         output_cpu_unit_reservation_p): Don't generate old-style function
2668         definitions.
2669
2670 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
2671
2672         PR c++/20023
2673         PR tree-optimization/20009
2674         * convert.c (convert_to_integer): Revert 2005-02-16 change.
2675
2676         PR tree-optimization/18947
2677         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
2678         inline, remove all nodes that are inlined into the extern inline
2679         being redefined.
2680
2681 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
2682
2683         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
2684         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
2685         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
2686         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
2687         Update copyright.
2688
2689 2005-02-17  Roger Sayle  <roger@eyesopen.com>
2690
2691         PR tree-optimization/19917
2692         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
2693         to be potentially trapping.
2694
2695 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
2696
2697         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
2698
2699 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
2700
2701         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
2702         tem becomes a local variable which is set to the value of the
2703         back end defined INITIAL_FRAME_ADDRESS macro.
2704         (expand_builtin_frame_address): Omit the base parameter to
2705         expand_builtin_return_addr.
2706         (expand_builtin_profile_func): Likewise.
2707         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
2708         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
2709         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
2710
2711 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
2712
2713         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
2714         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
2715         * config/frv/frv.c (frv_function_epilogue): Likewise.
2716
2717 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
2718
2719         * lambda-code (perfect_nestify): Remove mark/unmark
2720         for rewriting hack.
2721         * tree-loop-linear.c (linear_transform_loops): Add
2722         rewrite_into_ssa call so that ssa is correct for
2723         rewriting into loop closed.
2724
2725 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
2726
2727         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
2728         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
2729         BITMAP_FREE.
2730         * bt-load.c (btr_def_live_range, combine_btr_defs,
2731         migrate_btr_def, migrate_btr_defs): Likewise.
2732         * cfgcleanup.c (thread_jump): Likewise.
2733         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
2734         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
2735         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
2736         df_rd_local_compute, df_reg_info_compute): Likewise.
2737         * dominance.c (init_dom_info, free_dom_info): Likewise.
2738         * flow.c (init_propagate_block_info,
2739         free_propagate_block_info): Likewise.
2740         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
2741         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
2742         modify_reg_pav): Likewise.
2743         * loop-invariant.c (find_defs, find_invariant_insn,
2744         find_invariants, free_inv_motion_data): Likewise.
2745         * predict.c (tree_predict_by_opcode,
2746         estimate_bb_frequencies): Likewise.
2747         * stmt.c (expand_case): Likewise.
2748         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
2749         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
2750         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
2751         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
2752         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
2753         rewrite_ssa_into_ssa): Likewise.
2754         * tree-optimize.c (tree_rest_of_compilation): Likewise.
2755         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
2756         analyze_edges_for_bb, perform_edge_inserts): Likewise.
2757         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
2758         * tree-sra.c (tree_sra): Likewise.
2759         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
2760         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
2761         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
2762         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
2763         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
2764         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
2765         Likewise.
2766         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
2767         calculate_live_on_entry, calculate_live_on_exit,
2768         build_tree_conflict_graph): Likewise.
2769         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
2770         record_important_candidates, set_use_iv_cost, find_depends,
2771         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
2772         tree_ssa_iv_optimize_finalize): Likewise.
2773         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
2774         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
2775         tree_duplicate_loop_to_header_edge): Likewise.
2776         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
2777         * tree-ssa.c (verify_flow_insensitive_alias_info,
2778         verify_name_tags, verify_ssa, init_tree_ssa,
2779         delete_tree_ssa): Likewise.
2780         * tree-ssanames.c (marked_ssa_names, init_ssanames,
2781         fini_ssanames): Likewise.
2782         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
2783
2784 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
2785
2786         * config/rs6000/t-rtems: Completely reworked.
2787
2788 2005-02-17  Ira Rosen  <irar@il.ibm.com>
2789
2790         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
2791
2792 2005-02-17  Ira Rosen  <irar@il.ibm.com>
2793
2794         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
2795         POINTER_TYPE_P when checking that type is a pointer.
2796         (vect_get_memtag): Remove.
2797         (vect_address_analysis): Use POINTER_TYPE_P. Call
2798         vect_object_analysis with dummy parameter for memtag.
2799         (vect_object_analysis): Extract memtag (functionality that
2800         used to be in vect_get_memtag and moved here). Fix printings.
2801         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
2802         with correct parameters. Remove call to vect_get_memtag.
2803
2804 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
2805
2806         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
2807         (tree-vectorizer.o): Added missing dependencies.
2808
2809         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
2810         decleration.
2811         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
2812         declaration in tree-vectorizer.c, now has an extern declaration in
2813         tree-vectorizer.h).
2814         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
2815         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
2816         get_vectype_for_scalar_type, vect_is_simple_use,
2817         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
2818         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
2819         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
2820         vectorizable_store, vectorizable_operation, vectorizable_assignment,
2821         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
2822         find_loop_location): Likewise.
2823
2824         * tree-vectorizer.c (langhooks.h): #include removed.
2825         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
2826         moved to tree-vectorized.h.
2827         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
2828         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
2829         get_vectype_for_scalar_type, vect_is_simple_use,
2830         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
2831         vect_supportable_dr_alignment, new_loop_vec_info,
2832         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
2833         vect_set_verbosity_level, find_loop_location): Likewise.
2834
2835         (vect_analyze_loop): Function externalized. Declaration moved to
2836         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
2837         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
2838         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
2839         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
2840         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
2841         vect_enhance_data_refs_alignment, vect_analyze_operations,
2842         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
2843         vect_stmt_relevant_p, vect_get_loop_niters,
2844         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
2845         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
2846         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
2847         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
2848         vect_get_memtag): Likewise.
2849
2850         (vectorizable_load): Function externalized. Declaration moved to
2851         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
2852         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
2853         vect_transform_loop): Likewise.
2854         (vect_transform_stmt): Moved to tree-vect-transform.c.
2855         (vect_align_data_ref, vect_create_destination_var,
2856         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
2857         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
2858         vect_get_vec_def_for_operand, vect_init_vector,
2859         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
2860         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
2861         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
2862         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
2863         vect_do_peeling_for_loop_bound): Likewise.
2864
2865         * tree-vect-analyze.c: New file.
2866         * tree-vect-transform.c: New file.
2867
2868 2005-02-17  Jason Merrill  <jason@redhat.com>
2869
2870         PR mudflap/19319, c++/19317
2871         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
2872         slot explicit.
2873
2874 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
2875
2876         * doc/install.texi (Specific): Update link for Darwin-specific
2877         tool binary site.
2878
2879 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
2880
2881         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
2882         constant_boolean_node.
2883
2884 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
2885
2886         PR target/19019
2887         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
2888         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
2889
2890 2005-02-16  Richard Henderson  <rth@redhat.com>
2891
2892         PR 19920
2893         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
2894         with W_TYPE_SIZE.
2895         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
2896         replace uses with Wtype_MAXp1_F.
2897         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
2898         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
2899         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
2900         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
2901         and HAVE_TFMODE as appropriate.
2902         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
2903         (__floatdisf): Likewise.
2904         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
2905         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
2906         (Wtype_MAXp1_F): New.
2907         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
2908         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
2909
2910 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
2911
2912         * PR target/19162
2913         * arm.c (arm_apply_result_size): New function.
2914         * arm.h (APPLY_RESULT_SIZE): Define.
2915         * arm-protos.h (arm_apply_result_size): Add prototype.
2916         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
2917         (movxf): New expand.
2918         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
2919         (call_value_symbol): Remove predicate for operand 0.
2920         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
2921         (untyped_call): Rework to correclty return values for any type.
2922         (untyped_return): New expand.
2923         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
2924
2925 2005-02-16  Stan Shebs  <shebs@apple.com>
2926
2927         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
2928         * config/rs6000/t-darwin8: New, for 64-bit multilib.
2929
2930 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
2931
2932         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
2933         configure settings on Solaris 7 and later.
2934
2935 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
2936
2937         PR tree-optimization/19865
2938         * tree-optimize.c (init_tree_optimization_passes): Run
2939         pass_may_alias after pass_sra.
2940
2941 2005-02-16  Richard Henderson  <rth@redhat.com>
2942             Stuart Hastings  <stuart@apple.com>
2943
2944         PR debug/19521
2945         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
2946         Do nothing if debug info suppressed for this function.
2947         (dbxout_begin_function): Early exit if debug info suppressed for
2948         this function.
2949
2950 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
2951
2952         PR target/20007
2953         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
2954         find_basic_blocks.
2955         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
2956
2957         PR tree-optimization/19967
2958         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
2959         expand_builtin_strchr, expand_builtin_strrchr): Take a new
2960         argument TYPE.  Adjust calls to fold_builtin_XXX.
2961         (expand_builtin, fold_builtin_1): Adjust calls to
2962         expand_builtin_XXX.
2963         (fold_builtin_strchr, fold_builtin_strpbrk,
2964         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
2965         result to a requested type TYPE.
2966
2967 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
2968
2969         PR middle-end/19857
2970         * fold-const.c (fold): Don't optimize (T)(x & cst) to
2971         (T)x & (T)cst if (T)cst overflows.
2972         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
2973         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
2974
2975 2005-02-15  Jeff Law  <law@redhat.com>
2976
2977         * gcse.c (blocks_with_calls): New bitmap.
2978         (alloc_gcse_mem): Allocate it.
2979         (free_gcse_mem): Free it.
2980         (clear_modifY_mem_tables): Clear it.
2981         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
2982         when we encounter CALL_INSNs.
2983         (compute_transp, case MEM): Handle blocks with calls separate
2984         from blocks without calls.  Use bitmap iterators rather than
2985         FOR_EACH_BB.
2986
2987 2005-02-15  Peter O'Gorman  <peter@pogma.com>
2988
2989         PR bootstrap/18810
2990         * mklibgcc.in (vis_hide): Use a temporary object file, not
2991         -o /dev/null.
2992
2993 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
2994
2995         PR target/19924
2996         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
2997         access optimization.
2998
2999 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
3000             Alan Modra  <amodra@bigpond.net.au>
3001
3002         PR target/19019
3003         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
3004         (_xlqsub): Rename to __gcc_qsub.
3005         (_xlqmul): Rename to __gcc_qmul.
3006         (_xlqdiv): Rename to __gcc_qdiv.
3007         Provide versioned symbol aliases with old names.
3008         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
3009         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
3010         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
3011         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
3012         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
3013
3014 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
3015
3016         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
3017         Fold ~(A - 1) and ~(A + -1) to -A.
3018
3019 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
3020
3021         PR pch/14940
3022         PR target/19300
3023         * config/host-linux.c (linux_gt_pch_use_address): Copy from
3024         config/pa/pa-host.c:pa_gt_pch_use_address.
3025
3026 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
3027
3028         * tree-vn.c (get_value_handle): Make sure that given an
3029         is_gimple_min_invariant expression, we always return it.
3030
3031 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
3032
3033         * passes.c (rest_of_handle_gcse): Fix a comment.
3034
3035 2005-02-15  Jeff Law  <law@redhat.com>
3036
3037         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
3038         bitmap.
3039         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
3040         (canon_list_insert, record_last_mem_set_info): Similarly.
3041         (clear_modify_mem_tables): Similarly.
3042
3043 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
3044
3045         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
3046         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
3047         config/mips/mips.md, config/rs6000/aix.h,
3048         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
3049
3050 2005-02-15  Richard Henderson  <rth@redhat.com>
3051
3052         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
3053         call to be best_edge.
3054
3055 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
3056
3057         * basic-block.h: Adjust the prototype for find_basic_blocks.
3058         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
3059         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
3060         find_basic_blocks.
3061
3062         * flow.c (recompute_reg_usage): Remove all arguments.
3063         * passes.c (rest_of_compilation): Adjust the call to
3064         recompute_reg_usage.
3065         * rtl.h: Adjust the prototype for recompute_reg_usage.
3066
3067 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
3068
3069         * tree-dump.c (dump_files): Update to reflect new member
3070         of dump_file_info.
3071         (dump_register): Add new argument.
3072         Set glob name.
3073         (dump_switch_p_1): Check against glob name if doglob was passed.
3074         (dump_switch_p): Check against regular first, then glob if
3075         we didn't have any hits on the dump name.
3076         * tree-optimize.c (register_one_dump_file):
3077         Pass in glob name as well.
3078         * tree-pass.h (struct dump_file_info): Add glob
3079         member.
3080
3081 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
3082
3083         PR preprocessor/16323
3084         * doc/invoke.texi: Document that -Wendif-labels is on by default.
3085
3086 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
3087
3088         PR target/19019
3089         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
3090         (trunctfdf2_internal1): New.
3091         (trunctfdf2_internal2): Renamed from trunctfdf2.
3092
3093 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
3094
3095         PR tree-optimization/19853
3096         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
3097
3098 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
3099
3100         * passes.c (rest_of_handle_loop_optimize): Remove calls to
3101         delete_dead_jumptables and cleanup_cfg.
3102
3103 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
3104
3105         * reload.c (find_reloads): Swap address_reloaded flags when
3106         swapping commutative operands.
3107
3108 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
3109
3110         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
3111         Use standard_iv_increment_position for computing the bsi position
3112         for create_iv.
3113         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
3114         the bsi position.
3115
3116 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
3117
3118         PR target/17428
3119         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
3120         life range of hard registers.
3121         * value-prof.c (insn_prefetch_values_to_profile): Only
3122         scan normal insns.
3123
3124         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
3125         profile in libcalls.
3126
3127 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
3128
3129         * bitmap.h (bitmap_and_compl_into): Return bool.
3130         * bitmap.c (bitmap_and_compl_into): Return changed flag.
3131
3132 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
3133
3134         PR tree-optimization/19944
3135         * fold-const.c (fold): Re-add ABS_EXPR folding.
3136
3137 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
3138
3139         PR target/19019
3140         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
3141         {TARGET,MASK}_XL_COMPAT.
3142         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
3143         MASK_XL_COMPAT.
3144         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
3145         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
3146         TARGET_XL_COMPAT.
3147         (rs6000_arg_partial_bytes): Same.
3148         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
3149         and XL compatibility enabled.
3150         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
3151         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
3152         test to final condition.
3153         (cmptf_internal2): New.
3154         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
3155         xl-compat.  Add TFmode information to description.
3156
3157 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
3158
3159         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
3160
3161 2005-02-13  Jason Merrill  <jason@redhat.com>
3162
3163         PR c++/16405
3164         * fold-const.c (fold_indirect_ref_1): Split out from...
3165         (build_fold_indirect_ref): Here.
3166         (fold_indirect_ref): New fn.
3167         * tree.h: Declare it.
3168         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
3169         (gimplify_modify_expr_rhs): Likewise.
3170         (gimplify_expr): Likewise.
3171
3172 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
3173
3174         PR tree-optimization/14303
3175         PR tree-optimization/15784
3176         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
3177         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
3178         ABS_EXPR<x> != 0 to x != 0.
3179
3180 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
3181
3182         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
3183         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
3184         spelling conventions.
3185
3186         * passes.c (rest_of_handle_gcse): Don't run cse_main and
3187         delete_trivially_dead_insns too many times.
3188
3189         * passes.c (rest_of_handle_gcse): Remove dead assignments to
3190         tem and tem2.
3191
3192 2005-02-12  Ira Rosen  <irar@il.ibm.com>
3193
3194         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
3195         (vect_is_simple_iv_evolution): Remove redundant parameter
3196         and step check.
3197         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
3198         without last parameter.
3199         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
3200         Return pointer step. Call vect_is_simple_iv_evolution without
3201         last parameter. Check only that the step is multiple of size
3202         type. Remove stmt_vinfo updates.
3203         (vect_get_memtag_and_dr): Remove.
3204         (vect_get_memtag): New function.
3205         (vect_address_analysis): New function.
3206         (vect_object_analysis): New function.
3207         (vect_analyze_data_refs): Call vect_object_analysis and
3208         vect_get_memtag. Update stmt_vinfo fields.
3209
3210 2005-02-12  Ira Rosen  <irar@il.ibm.com>
3211
3212         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
3213         exist and are objects. Remove checks for pointer.
3214         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
3215         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
3216         (vect_create_data_ref_ptr): Likewise.
3217         (vect_base_addr_differ_p): New function.
3218         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
3219         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
3220         Don't set the DR_BASE_NAME field of data-ref.
3221         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
3222
3223 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
3224
3225         * optabs.h (enum optab_index): Add new OTI_ldexp.
3226         (ldexp_optab): Define corresponding macro.
3227         * optabs.c (init_optabs): Initialize ldexp_optab.
3228         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
3229         patterns.
3230         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
3231         using ldexp_optab.
3232         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
3233         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
3234
3235         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
3236         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
3237         intrinsics.
3238
3239 2005-02-12  Ira Rosen  <irar@il.ibm.com>
3240
3241         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
3242         to base_address.
3243         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
3244         stmt_vec_info.
3245         (vect_get_base_and_offset): Always return an address.
3246         (vect_create_addr_base_for_vector_ref): Remove treatment for
3247         different data reference types.
3248         (vect_compute_data_ref_alignment): Rename base to base_address in
3249         stmt_vec_info. Get the object in order to force its alignment.
3250         (vect_get_memtag_and_dr): Rename base to base_address in
3251         stmt_vec_info. Extract the object for memtag analysis.
3252
3253 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
3254
3255         PR regression/19898.
3256         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
3257         changes cc_status, use apply modified_in_p to part of cc_status
3258         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
3259         body.
3260
3261 2005-02-11  Richard Henderson  <rth@redhat.com>
3262
3263         * tree-complex.c (expand_complex_libcall): New.
3264         (expand_complex_multiplication): Use it for c99 compliance.
3265         (expand_complex_division): Likewise.
3266         * fold-const.c (fold_complex_add, fold_complex_mult): New.
3267         (fold): Call them.
3268         * builtins.c (built_in_names): Remove const.
3269         * tree.c (build_common_builtin_nodes): Build complex arithmetic
3270         builtins.
3271         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
3272         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
3273         (built_in_names): Remove const.
3274         * c-common.c (c_common_type_for_mode): Handle complex modes.
3275         * flags.h, toplev.c (flag_complex_method): Rename from
3276         flag_complex_divide_method.
3277         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
3278         __mulsc3, __muldc3, __mulxc3, __multc3): New.
3279         * libgcc2.h: Declare them.
3280         * libgcc-std.ver: Export them.
3281         * mklibgcc.in (lib2funcs): Build them.
3282
3283 2005-02-11  Steven Bosscher  <stevenb@suse.de>
3284
3285         PR tree-optimization/19876
3286         Partially revert my change from 2005-01-14
3287         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
3288         (compute_antic): ...and remove the loop here.
3289
3290 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
3291
3292         PR middle-end/19858
3293         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
3294         is number of inner's bits, avoid creating a BIT_FIELD_REF.
3295
3296         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
3297         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
3298
3299 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
3300
3301         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
3302         offsets for the big-endian 32-bit case.
3303
3304 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
3305
3306         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
3307
3308 2005-02-11  Dale Johannesen  <dalej@apple.com>
3309
3310         * cselib.c (cselib_process_insn):  Clear out regs where
3311         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
3312         * reload.c (find_equiv_reg): Ditto.
3313
3314 2005-02-11  Ian Lance Taylor  <ian@airs.com>
3315
3316         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
3317         with no elements.
3318
3319         * tree.c (build_function_type_list): Work correctly if there are
3320         no arguments.
3321
3322 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
3323
3324         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
3325         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
3326         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
3327         TARGET_ZARCH instead of TARGET_64BIT.
3328
3329 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
3330
3331         * config/rs6000/t-rtems:
3332         (MULTILIB_OPTIONS): Remove mcpu=602.
3333         (MUTLILIB_DIRNAMES): Remove m602.
3334         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
3335         Let mcpu=602 match mcpu=603.
3336         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
3337
3338 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3339
3340         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
3341         signal trampolines.
3342
3343 2005-02-10  David Daney  <ddaney@avtrex.com>
3344
3345         * config/alpha/linux-unwind.h: Add exception clause to copyright.
3346         * config/i386/linux-unwind.h: Likewise.
3347         * config/ia64/linux-unwind.h: Likewise.
3348         * config/mips/linux-unwind.h: Likewise.
3349         * config/pa/linux-unwind.h: Likewise.
3350         * config/rs6000/linux-unwind.h: Likewise.
3351         * config/s390/linux-unwind.h: Likewise.
3352         * config/sh/linux-unwind.h: Likewise.
3353         * config/sparc/linux-unwind.h: Likewise.
3354
3355 2005-02-10  Steven Bosscher  <stevenb@suse.de>
3356
3357         PR tree-optimization/17549
3358         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
3359         TER to replace a DEF with its expression if the DEF and the
3360         rhs of the expression we replace into have the same root
3361         variable.
3362
3363 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
3364
3365         * config/mips/mips.md: Fix the placement of the match_scratch in the
3366         lea64 peephole2.
3367
3368 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
3369
3370         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
3371         Fix comment typos.
3372
3373 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
3374
3375         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
3376         (strip_offset): Handle addresses.
3377         (add_address_candidates): Use strip_offset.
3378         (difference_cost): Reflect strip_offset change.
3379         (force_var_cost, difference_cost): Strip nops.
3380
3381 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
3382
3383         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
3384
3385         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
3386         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
3387         config/cris/cris-protos.h, config/cris/cris.c: Update
3388         copyright.
3389
3390 2005-02-10  Jeff Law  <law@redhat.com>
3391
3392         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
3393         (lookup_avail_expr): Similarly.
3394
3395 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
3396
3397         * builtins.c (fold_builtin_powi): New function.
3398         (fold_builtin_1): Call it.
3399
3400 2005-02-10  Steven Bosscher  <stevenb@suse.de>
3401
3402         PR documentation/19309
3403         * doc/cpp.texi: The __GNUC__ and related predefined macros
3404         are also defined for the "standalone" cpp.
3405         Some non-GCC compilers may also define __GNUC__.
3406
3407 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
3408
3409         PR c/19342
3410         * c-typeck.c (common_type): New routine.  Old common_type renamed
3411         to...
3412         (c_common_type): ...this.
3413         (build_conditional_expr, build_binary_op): Use c_common_type instead
3414         of common_type.
3415
3416 2005-02-10  Steven Bosscher  <stevenb@suse.de>
3417
3418         * doc/md.texi: Replace @samp{length} with @code{length}.
3419
3420 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
3421
3422         PR tree-optimization/18687
3423         * tree-flow.h (find_loop_niter): Declare.
3424         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
3425         Try using scev even for loops with more than one exit.
3426         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
3427         (struct ivopts_data): Added niters field.
3428         (struct nfe_cache_elt): New.
3429         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
3430         functions.
3431         (tree_ssa_iv_optimize_init): Initialize niters cache.
3432         (determine_number_of_iterations): Removed.
3433         (find_induction_variables): Do not call determine_number_of_iterations.
3434         Access niters for single exit through niter_for_single_dom_exit.
3435         (add_iv_outer_candidates): Access niters for single exit through
3436         niter_for_single_dom_exit.
3437         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
3438         number_of_iterations_cond.
3439         (iv_period): New function.
3440         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
3441         (may_replace_final_value): Take data argument.  Use
3442         niter_for_single_dom_exit.
3443         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
3444         (rewrite_use_compare): Pass data to may_eliminate_iv.
3445         (rewrite_use_outer): Pass data to may_replace_final_value.
3446         (free_loop_data): Clean up the niters cache.
3447         (tree_ssa_iv_optimize_finalize): Free the niters cache.
3448         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.