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