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