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