d58f9933f6a4e69df1b7c9caff70d60a921fc8ab
[platform/upstream/gcc.git] / gcc / ChangeLog
1 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
2
3         * config/mips/mips.c (override_options): Only warn about -mint64
4         deprecation if TARGET_INT64.
5
6 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7
8         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
9         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
10         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
11         are non-specific regarding the nonnull parameter positions.
12         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
13         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
14         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
15         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
16         
17         * builtins.def: Use the non-specific "nonnull" attibute lists.
18
19 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
20
21         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
22         single_pred_edge, single_succ, single_pred): Improve comments.
23
24 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
25
26         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
27         single_pred_edge, single_succ, single_pred): New inline functions.
28         * bb-reorder.c (rotate_loop, find_traces_1_round,
29         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
30         duplicate_computed_gotos): Use the single_succ/pred functions.
31         * cfganal.c (forwarder_block_p): Ditto.
32         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
33         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
34         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
35         merge_seq_blocks): Ditto.
36         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
37         * cfglayout.c (fixup_reorder_chain): Ditto.
38         * cfgloop.c (mark_single_exit_loops, update_latch_info,
39         canonicalize_loop_headers, verify_loop_structure): Ditto.
40         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
41         mfb_update_loops, create_preheader, force_single_succ_latches,
42         create_loop_notes): Ditto.
43         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
44         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
45         commit_one_edge_insertion, purge_dead_edges,
46         cfg_layout_can_merge_blocks_p): Ditto.
47         * except.c (sjlj_emit_function_enter): Ditto.
48         * flow.c (init_propagate_block_info): Ditto.
49         * function.c (thread_prologue_and_epilogue_insns): Ditto.
50         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
51         insert_insn_end_bb): Ditto.
52         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
53         find_if_case_2): Ditto.
54         * lambda-code.c (perfect_nestify): Ditto.
55         * lcm.c (optimize_mode_switching): Ditto.
56         * loop-doloop.c (doloop_modify): Ditto.
57         * loop-init.c (loop_optimizer_init): Ditto.
58         * loop-iv.c (simplify_using_initial_values): Ditto.
59         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
60         * loop-unswitch.c (unswitch_loop): Ditto.
61         * modulo-sched.c (generate_prolog_epilog): Ditto.
62         * predict.c (combine_predictions_for_insn, estimate_probability,
63         tree_estimate_probability, last_basic_block_p,
64         estimate_bb_frequencies): Ditto.
65         * profile.c (branch_prob): Ditto.
66         * regrename.c (copyprop_hardreg_forward): Ditto.
67         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
68         * tracer.c (layout_superblocks): Ditto.
69         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
70         cfg_remove_useless_stmts_bb, cleanup_control_flow,
71         cleanup_control_expr_graph, disband_implicit_edges,
72         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
73         tree_verify_flow_info, tree_make_forwarder_block,
74         tree_forwarder_block_p, remove_forwarder_block,
75         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
76         * tree-if-conv.c (tree_if_conversion): Ditto.
77         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
78         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
79         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
80         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
81         copy_loop_headers): Ditto.
82         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
83         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
84         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
85         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
86         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
87         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
88         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
89         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
90         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
91         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
92         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
93         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
94         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
95         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
96         slpeel_add_loop_guard): Ditto.
97
98 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
99
100         PR tree-optimization/15784
101         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
102         and -1 - A to ~A.
103
104         * stmt.c (expand_case): Don't change index_type.  Convert minval
105         to the proper type.
106
107         PR tree-optimization/20130
108         * fold-const.c (fold): Fold x * -1 into -x.
109
110 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
111
112         PR rtl-optimization/20331
113         * rtlanal.c (modified_between_p): Check its address first for MEM.
114         (modified_in_p): Likewise.
115
116 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
117
118         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
119
120 2005-03-10  Steven Bosscher  <stevenb@suse.de>
121
122         * expr.c (expand_expr_real_1): If possible, use a conditional
123         move for expanding MIN_EXPR and MAX_EXPR.
124         Use temp for moving around rtx-en.
125
126 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
127
128         PR rtl-opt/20412
129         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
130         correct mode.
131
132 2005-03-10  Roger Sayle  <roger@eyesopen.com>
133
134         * builtins.c (expand_builtin_signbit): Extend to handle floating
135         point modes wider than the largest integer type, using the
136         operand_subword_force function to obtain the signbit's word.
137
138 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
139
140         PR target/20322
141         * combine.c (try_combine): If recog_for_combine added CLOBBERs
142         to NEWI2PAT, fail to combine if they are used by NEWPAT.
143
144 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
145
146         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
147
148 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
149
150         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
151         type void.
152         (perform_edge_inserts): Unconditionally call
153         free_dominator_info.
154
155         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
156
157 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
158
159         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
160
161 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
162
163         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
164
165         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
166         gcc_unreachable.
167         (rtl_register_value_prof_hooks,
168         tree_value_profile_transformations,
169         tree_register_value_prof_hooks): Likewise.
170         * var-tracking.c (stack_adjust_offset_pre_post,
171         variable_htab_free, variable_union, dataflow_set_different_2,
172         count_uses, variable_was_changed, set_frame_base_location,
173         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
174         vt_add_function_parameters): Likewise.
175         * varasm.c (named_section_real, named_section, make_decl_rtl,
176         asm_emit_uninitialised, assemble_integer, decode_addr_const,
177         const_hash_1, compare_constant, copy_constant, force_const_mem,
178         output_constant_pool_2, output_constant_pool_1, output_constant,
179         output_constructor, make_decl_one_only, decl_tls_model,
180         default_no_named_section, default_elf_select_section_1,
181         default_unique_section_1): Likewise.
182         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
183         * vmsdbgout.c (addr_const_to_string): Likewise.
184
185         PR c++/20375
186         * function.c (struct assign_parm_data_one): Remove last_named
187         field.
188         (assign_parm_find_data_types): Don't determine last_named.
189         Reorder named_parm determination.
190         (assign_parms): Only setup varargs on the last non-varadic
191         parameter.
192
193 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
194
195         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
196         sda base address on medium model.
197
198 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
199
200         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
201         * cfgloop.c (flow_loop_nodes_find): Export.
202         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
203         Declare.
204         * cfgloopmanip.c (fix_loop_structure): New function.
205         * predict.c (predict_loops): Clean up the loops information.
206         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
207         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
208         loop structure.
209         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
210         (rewrite_into_loop_closed_ssa): Declaration changed.
211         * tree-loop-linear.c (linear_transform_loops): Add argument to
212         rewrite_into_loop_closed_ssa call.
213         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
214         * tree-ssa-loop-im.c (move_computations): Ditto.
215         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
216         * tree-vectorizer.c (vectorize_loops): Ditto.
217         * tree-optimize.c: Include cfgloop.h.
218         (execute_todo): Choose whether to call cleanup_tree_cfg or
219         cleanup_tree_cfg_loop.
220         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
221         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
222         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
223         cleanup_tree_cfg_loop call.
224         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
225         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
226         work on part of cfg.
227
228 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
229
230         PR inline-asm/20314
231         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
232         with multiple alternatives.
233
234         * stmt.c (parse_output_constraint): Fix a typo.
235
236 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
237
238         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
239         assembly directive instead of deprecated "no-generics".
240
241 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
242
243         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
244         for non-offsettable memory references to cope with outstanding reload
245         replacements.
246         * config/s390/s390.md ("reload_outti"): Call find_replacement to
247         avoid losing outstanding address reloads.
248         ("reload_outdi", "reload_outdf"): Likewise.
249
250 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
251
252         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
253         code.  Add more cbrt transformations.
254
255 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
256
257         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
258
259 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
260
261         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
262         NULL_TREE when a given tree is not simplified.
263         (fold): Return the original tree when any of the functions
264         mentioned above NULL_TREE.
265
266         * fold-const.c (fold_unary, fold_binary): Take decomposed
267         arguments, code, type, op0, and op1 in case of fold_binary.
268         (fold): Update calls to fold_unary and fold_binary.
269
270 2005-03-09  Roger Sayle  <roger@eyesopen.com>
271
272         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
273         a fndecl and an arglist instead of a CALL_EXPR, exp.
274
275 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
276
277         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
278
279         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
280
281         * expr.c (expand_assignment): Remove orig_to_rtx.
282
283         * fold-const.c (int_const_binop): Remove no_overflow.
284
285         * ifcvt.c (noce_emit_move_insn): Remove inmode.
286
287         * loop-iv.c (get_biv_step_1): Remove lhs.
288
289         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
290
291         * real.c (real_nan): Remove neg.
292
293         * function.c (thread_prologue_and_epilogue_insns): Remove i
294         and newinsn.
295
296         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
297         tb.
298
299         * tree-eh.c (tree_could_trap_p): Remove idx.
300
301         * tree-into-ssa.c (ann): Remove ann.
302
303         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
304
305         * tree-sra.c (decide_block_copy): Remove inst_count.
306
307         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
308
309         * tree-ssa-loop-im.c (lhs): Remove.
310
311         * cfgbuild.c (state, STATE, SET_STATE,
312         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
313         make_edges.
314         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
315         (find_basic_blocks): Set the state of each basic block to
316         BLOCK_NEW.
317
318 2005-03-08  Jeff Law  <law@redhat.com>
319
320         * tree-cfg.c (cleanup_control_flow): If removal of a computed
321         goto results in the removal of edges in the CFG, then we need
322         to recompute dominators.
323
324 2005-03-09  Ben Elliston  <bje@au.ibm.com>
325
326         * c-common.c (c_do_switch_warnings): Comment fix.
327
328 2005-03-08  Julian Brown  <julian@codesourcery.com>
329
330         * Patch from 2005-03-08 reverted for causing regressions and
331         ppc-darwin bootstrap failure.
332
333 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
334
335         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn): 
336         Define the real function for ppc-darwin.
337         * c-typeck.c (convert_arguments): Check for target-specific
338         invalid argument call to unprototyped function.
339         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN): 
340         New Macro.
341         * target.h (invalid_arg_for_unprototyped_fn): New field 
342         in struct calls.
343         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New 
344         default target hook.
345         * targhooks.h (hook_invalid_arg_for_unprototyped_fn): 
346         Declare.
347
348 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
349
350         * c-typeck.c (constructor_stack, constructor_range_stack,
351         initializer_stack): Make them static.
352
353         * cfg.c (rbi_pool): Make it static.
354
355         * gimple-low.c (lower_stmt_body): Make it static.
356         * tree-flow.h: Remove the corresponding prototype.  Don't
357         declare lower_data.
358
359         * sched-deps.c (cache_size): Make it static.
360
361         * stor-layout.c (lang_adjust_rli): Make it static.
362
363 2005-03-08  Julian Brown  <julian@codesourcery.com>
364
365         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
366         from being used for symbols with vague linkage when
367         HAVE_GAS_COMDAT_GROUP is true.
368
369 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
370
371         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
372         nlabel == JUMP_LABEL (jump).
373
374 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
375
376         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
377         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
378         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
379         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
380
381 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
382
383         PR c/14411
384         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
385         * c-common.c (handle_returns_twice): New function.
386         (c_common_attribute_table): Declare eturns_twice' attribute.
387         * doc/extend.texi: Document eturns_twice' attribute.
388         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
389         (struct tree_decl): Add returns_twice_flag.
390
391 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
392
393         * tree-ssa-phiopt.c: Fix a comment typo.
394
395         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
396         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
397         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
398         copyright.
399
400 2005-03-08  Richard Henderson  <rth@redhat.com>
401
402         * config/alpha/alpha.c (code_for_builtin): Replace special-case
403         builtin codes with ctzdi2, clzdi2, popcountdi2.
404         (struct alpha_builtin_def): Add is_const.
405         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
406         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
407         (alpha_init_builtins): Init them.  Set nothrow and const attributes
408         on builtins.
409         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot, 
410         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx, 
411         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh, 
412         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
413         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
414         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
415         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
416         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
417         (TARGET_FOLD_BUILTIN): New.
418         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
419         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
420         (ffsdi2): Use ctz.
421         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
422
423 2005-03-08  Ira Rosen  <irar@il.ibm.com>
424
425         PR tree-optimization/20122
426         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
427         condition of access function instead of base.
428
429 2005-03-07  Jeff Law  <law@redhat.com>
430             Steven Bosscher  <stevenb@suse.de>
431
432         * tree-cfg.c (find_taken_edge_computed_goto): New function.
433         (find_taken_edge): Call find_taken_edge_computed_goto as
434         appropriate.  Allow any gimple invariant rather than just
435         INTEGER_CST for VAL.
436         (cleanup_control_flow): Cleanup a computed goto which has turned
437         into a simple goto.
438         (tree_merge_blocks): If block B has any forced labels, move
439         them to the start of block A.
440         * tree-ssa-dom.c (thread_across_edge): Allow threading across
441         computed gotos as well.
442         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
443         removal of unnecessary computed gotos too.
444         (lookup_redirection_data): Fix type of INSERT argument.  Callers
445         updated.
446
447 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
448
449         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
450         Remove trailing spaces.
451
452         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
453         unshare_all_trees): Make them static.
454         * tree-gimple.h: Remove the corresponding prototypes.
455
456         * diagnostic.h: Remove unused prototype
457         debug_output_buffer.
458         * modulo-sched.c: Remove unused prototype
459         set_row_column_for_ps.
460
461         * tree-ssa-phiopt.c (tree_ssa_phiopt,
462         replace_phi_edge_with_variable): Remove unused variable i.
463
464 2005-03-07  Per Bothner  <per@bothner.com>
465
466         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
467
468 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
469         
470         PR tree-opt/17671
471         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
472         bbs on the COND_EXPR instead of the PHI_NODEs.
473         (candidate_bb_for_phi_optimization): Remove.
474         (replace_phi_with_stmt): Rename to ...
475         (replace_phi_edge_with_variable): this and change so that we
476         replace the phi argument instead of removing the PHI.
477         (conditional_replacement): Change so we deal with PHI with more
478         than two arguments.
479         (value_replacement): Likewise.
480         (abs_replacement): Likewise.
481
482 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
483
484         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
485         output_e500_flip_gt_bit.
486
487         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
488         as bit 31.
489         (rs6000_generate_compare): Fix logic to look at the correct bits.
490         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
491         Look at GT bit.
492         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
493         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
494         gen_move_from_CR_gt_bit.
495
496         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
497         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
498         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
499
500         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
501         (E500_CR_IOR_COMPARE): New constant.
502
503 2005-03-08  Earl Chew <earl_chew@agilent.com>
504             David Billinghurst <David.Billinghurst@riotinto.com>
505
506         * config/i386/host-cygwin.c: New file to support precompiled
507         headers on cygwin
508         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
509         * config.host: Use above files for cygwin host.
510
511 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
512
513         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
514         ordering ops from earlier change.
515
516 2005-03-07  Per Bothner  <per@bothner.com>
517
518         Various fixes to allow us to again build if --enable-mapped-location:
519         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
520         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
521         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
522         local variable loc. Change logic appropriately.
523         * tree-vect-transform.c (vect_finish_stmt_generation): Use
524         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.    
525         * c-parser.c (c_parser_for_statement): Initialize loc variable.
526         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
527         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
528
529 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
530
531         PR rtl-optimization/19683
532         * reload1.c (choose_reload_regs): Pass the number of bits, not the
533         number of bytes, to smallest_int_for_mode.  Fix arguments to
534         REG_CANNOT_CHANGE_MODE_P.
535
536 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
537
538         * reorg.c (relax_delay_slots): Check that the jump is
539         conditional before trying to invert it.
540
541 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
542
543         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
544         Make them static.
545
546         * calls (stack_arg_under_construction): Make it static.
547
548         * flow.c (regs_live_at_setjmp): Make it static.
549         * flow.h: Remove the corresponding prototype.
550
551         * reload1.c (reload_startobj, reload_firstobj,
552         something_needs_operands_changed, reload_inherited,
553         reload_inheritance_insn, reload_override_in,
554         reload_spill_index): Make them static.
555
556         * recog.c (verify_changes): Make it static.
557         * recog.h: Remove the corresponding prototype.
558
559         * cfgbuild.c (find_sub_basic_blocks): Remove.
560         * basic-block.h: Remove the corresponding prototype.
561         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
562         in comments.
563         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
564
565         * tree-ssa-operands.c (check_build_stmt): Remove.
566
567         * stor-layout.c (set_alignment): Remove.
568         * tree.h: Remove the corresponding prototype.
569
570         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
571
572         * tree-ssa-dce.c (control_dependence_map,
573         visited_control_parents): Make them static.
574
575         * cfghooks.c (verify_flow_info): Remove local variable
576         num_bb_notes.
577
578         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
579         last_bb_seen.
580
581         * loop-unswitch.c (unswitch_loop): Remove local variable src.
582
583 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
584
585         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
586
587 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
588
589         * config/ia64/hpux.h (LINK_SPEC): Add -z.
590         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
591         PARALLEL for an empty structure.
592
593 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
594
595         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
596
597         * fold-const.c (fold_binary): Unroll the very first "for"
598         loop.
599
600 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
601
602         * config/rs6000/predicates.md (branch_comparison_operator): Remove
603         redundant match_code test.
604         (scc_comparison_operator): Swap match_operand and match_code
605         tests.
606         (branch_positive_comparison_operator): Same.
607         (trap_comparison_operator): Use comparison_operator and swap with
608         match_code test.
609
610 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
611
612         PR target/20288
613         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
614         (out_movhi_r_mr): Read low byte of volatile MEM first.
615         (out_movhi_mr_r): Write high byte of volatile MEM first.
616
617 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
618
619         * cselib.c (reg_values, reg_values_size): Make them static.
620
621         * cse.c (cse_reg_info_table): Make it static.
622
623         * fold-const.c (fold_unary): Use build1 instead of copy_node.
624
625 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
626
627         * cse.c (find_best_addr): Use canon_for_address.
628
629 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
630
631         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
632         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
633         SUBREG and MEM, respectively.
634
635         * fold-const.c (fold_binary): Use code instead of t.
636
637         * fold-const.c (optimize_minmax_comparison): Take decomposed
638         arguments code, type, op0, and op1 instead of t.
639         (fold_binary): Update a call to optimize_minmax_comparison.
640
641         * fold-const.c (fold_range_test): Take decomposed arguments
642         code, type, op0, and op1 instead of t.
643         (fold_binary): Update a call to fold_range_test.
644
645         * fold-const.c (fold_binary_op_with_conditional_arg): Take
646         decomposed arguments code, type, op0, and op1 instead of t.
647         (fold_binary): Update a call to fold_range_test.
648
649 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
650
651         * fold-const.c (fold_binary): Avoid directly using the original
652         expression t as much as possible.
653
654 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
655
656         * c-semantics.c (build_stmt): Use TYPE_P instead of
657         IS_NON_TYPE_CODE_CLASS.
658         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
659         (NON_TYPE_CHECK): Use TYPE_P instead of
660         IS_NON_TYPE_CODE_CLASS.
661
662         * fold-const.c (fold): Remove handling of binary expressions.
663
664 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
665
666         * doc/c-tree.texi: Wrap comments in @r{}.
667         * doc/cpp.texi: Likewise.
668         * doc/cppinternals.texi: Likewise.
669         * doc/extend.texi: Likewise.
670         * doc/md.texi: Likewise.
671         * doc/objc.texi: Likewise.
672         * doc/sourcebuild.texi: Likewise.
673         * doc/tm.texi: Likewise.
674         * doc/tree-ssa.texi
675
676 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
677
678         * predict.c (apply_return_prediction): Standardize PHI chain
679         walking.
680         * tree-ssa.c (ssa_redirect_edge): Likewise.
681
682         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
683         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
684         Update copyright.
685
686         * tree-phinodes.c (remove_phi_node): Drop the last argument.
687         * tree-flow.h: Adjust the prototype for remove_phi_node.
688         * lambda-code.c (perfect_nestify): Adjust a call to
689         remove_phi_node.
690         * tree-cfg.c
691         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
692         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
693         Likewise.
694         * tree-ssa-dce.c (remove_dead_phis): Likewise.
695         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
696         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
697         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
698
699         * combine.c (simplify_and_const_int): Use gen_int_mode instead
700         of GEN_INT (trunc_int_for_mode (...)).
701         * loop-iv.c (iv_number_of_iterations): Likewise.
702         * postreload.c (reload_cse_move2add): Likewise.
703         * simplify-rtx.c (simplify_const_unary_operation,
704         simplify_const_binary_operation): Likewise.
705         * stor-layout.c (get_mode_bounds): Likewise.
706
707         * fold-const.c (fold_binary): New.
708         (fold): Call fold_binary on binary expressions.
709
710 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
711
712         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
713         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
714         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
715         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
716         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
717
718 2005-03-04  Devang Patel  <dpatel@apple.com>
719         
720         PR tree-optimization/18815
721         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
722         loops with zero exit edges.
723
724 2005-03-04  Devang Patel  <dpatel@apple.com>
725
726         * doc/invoke.texi: Remove reference to webpage that does not exist.
727         
728 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
729             Joseph S. Myers  <joseph@codesourcery.com>
730
731         PR c++/19797
732         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
733         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
734         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
735         * pa.c (get_plabel): Change argument to symbol_ref.  Call
736         maybe_get_identifier instead of get_identifier.
737         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
738         (struct deferred_plabel): Replace name field with symbol field.
739         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
740         ASM_OUTPUT_EXTERNAL_REAL is defined.
741         (output_global_address): Use output_addr_const for output of all
742         symbol_refs.
743         (output_deferred_plabels): Use symbol_ref instead of name for address
744         output.
745         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
746         ASM_OUTPUT_SYMBOL_REF): New macros.
747         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
748         comment.
749         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
750         label.
751
752 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
753
754         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
755         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
756
757 2005-03-04  Jeff Law  <law@redhat.com>
758
759         * basic-block.h (rediscover_loops_after_threading): Declare.
760         * tree-ssa-dom.c: Include cfgloop.h.
761         (tree_ssa_dominator_optimize): Discover loops and some basic
762         properties.  Remove forwarder blocks recreated by loop header
763         canonicalization.  Also mark backedges in the CFG.
764         * tree-ssa-threadupdate.c: Include cfgloop.h
765         (rediscover_loops_after_threading): Define.
766         (struct local_info): New field, JUMP_THREADED.
767         (prune_undesirable_thread_requests): New function.
768         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
769         then record that fact for the callers of redirct_edges.
770         (thread_block): If BB has incoming backedges, then call
771         prune_undesirable_thraed_requests.    Note when we are
772         going to have to rediscover loop information.  Return a
773         boolean indicating if any jumps were threaded.
774         (thread_through_all_blocks): Bubble up boolean indicating
775         if any jumps were threaded.
776         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
777         (tree-ssa-threadupdate.o): Similarly.
778
779 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
780
781         * fold-const.c (fold_ternary): Unroll the "for" loop to
782         extract operands.  
783
784 2005-03-04  Andrew Haley  <aph@redhat.com>
785
786         * unwind-dw2-fde-glibc.c (struct
787         unw_eh_callback_data.check_cache): New field.
788         (frame_hdr_cache): New.
789         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
790         Cache frame header info.
791
792 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
793
794         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
795         (print_c_condition): Declare.
796         * read-rtl.c (ptr_loc): New structure.
797         (ptr_locs, ptr_loc_obstack, joined_conditions)
798         (joined_conditions_obstack): New variables.
799         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
800         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
801         (join_c_conditions, print_c_condition): New functions.
802         (apply_macro_to_string): Associate the new string with the same
803         source location as the old one.
804         (add_condition_to_string): Use join_c_conditions.
805         (read_string): Use set_rtx_ptr_loc to record a filename and line
806         number for the string.
807         (read_rtx): Initialize the new variables above.
808         * genattrtab.c (write_test_expr, write_attr_value): Use
809         print_c_condition.
810         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
811         comment above the GCC_VERSION check.
812         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
813         Inline the definition of MAYBE_EVAL.
814         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
815         * genoutput.c (process_template): Likewise.
816         * genpreds.c (write_predicate_subfunction): Likewise.
817         (write_predicate_expr): Use print_c_condition.
818         * genrecog.c (write_cond): Likewise.
819         * gensupport.c (process_rtx): Use join_c_conditions to join the
820         conditions of a define_insn_and_split.  Record a source location
821         for the string after the "&&".
822         (alter_test_for_insn): Use join_c_conditions.
823
824 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
825
826         Revert for now:
827         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
828         PR tree-optimization/15784
829         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
830         and -1 - A to ~A.
831
832 2005-03-04  Ben Elliston  <bje@au.ibm.com>
833
834         * gcc.c (option_map): Add --coverage.
835         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
836         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
837         * config/darwin.h: Pass -lgcov for `coverage'.
838         * doc/invoke.texi (Debugging Options): Document --coverage.
839
840 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
841
842         * gcse.c (bypass_block): Use find_edge wherever possible.
843
844 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
845
846         Fix PR debug/20253
847         
848         * c-opts.c (c_common_parse_file): Call start_source_file
849         and end_source_file at the approriate times.
850
851         * dwarf2out.c (dwarf2out_finish): Don't auto-end
852         the main file, it will be done for us now.
853         
854 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
855
856         * fold-const.c (fold_ternary): New.
857         (fold): Call fold_ternary on ternary expressions.  Remove
858         handling of ternary expressions.
859
860 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
861
862         PR tree-optimization/15784
863         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
864         and -1 - A to ~A.
865
866 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
867
868         * config/rs6000/predicates.md (branch_comparison_operator):
869         Convert from C block to conditional format.
870
871 2005-03-03  Jan Hubicka  <jh@suse.cz>
872
873         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
874         and non-constant public variables.
875
876 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
877
878         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
879         with LABEL_EXPR.
880
881         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
882         EDGE_I.
883
884         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
885         calls to release_ssa_name and release_phi_node.
886
887         * fold-const.c (fold): Remove handling of unary expressions.
888
889         * fold-const.c (fold_unary): Avoid directly using the original
890         expression t as much as possible.
891
892 2005-03-03  Roger Sayle  <roger@eyesopen.com>
893             Andrew Pinski  <pinskia@physics.uc.edu>
894
895         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
896         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
897
898 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
899
900         Describe special registers SRP and MOF as allocatable registers.
901         * config/cris/cris.c (cris_md_asm_clobbers): New function.
902         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
903         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
904         TARGET_HAS_MUL_INSNS.
905         (cris_print_operand) <case 'd'>: New case.
906         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
907         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
908         define.
909         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
910         (REG_ALLOC_ORDER): Update for MOF.
911         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
912         SPECIAL_REGS.
913         (GENERAL_REGS): No longer a define of ALL_REGS.
914         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
915         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
916         Adjust accordingly.
917         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
918         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
919         (SECONDARY_RELOAD_CLASS): Define.
920         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
921         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
922         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
923         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
924         (REGISTER_MOVE_COST): Define.
925         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
926         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
927         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
928         (CRIS_MOF_REGNUM): New define_constants.
929         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
930         special registers.
931         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
932         New patterns.
933         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
934         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
935         Adjust for MOF being properly described as a register.
936         (indir_to_reg_split): Name this split.  Conditionalize on the
937         destination register being a general register.
938         (movei): Conditionalize on on operands 0 and 1 having the same
939         register class.
940
941 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
942
943         PR target/20277
944         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
945         -mcpu to override any other explicitly given flags.
946
947 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
948
949         * recog.c (verify_changes, confirm_change_group): New functions,
950         broken out of apply_change_group.
951         (apply_change_group): Use them.
952         * recog.h (verify_change, confirm_change_group): Declare.
953         * rtl.h (redirect_jump_2): Declare.
954         * jump.c (redirect_exp, invert_exp): Delete.
955         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
956         (redirect_jump_2): New function, broken out of redirect_jump.
957         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
958         (invert_jump): Use invert_jump_1 and redirect_jump_2.
959         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
960
961 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
962
963         * varasm.c (named_section): Use xstrdup rather than doing it by
964         hand.
965
966         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
967
968 2005-03-02  Devang Patel  <dpatel@apple.com>
969         
970         Undo PR tree-optimization/18815 fix.
971         
972 2005-03-02  Devang Patel  <dpatel@apple.com>
973
974         PR tree-optimization/18815
975         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
976         loops with zero exit edges.
977         
978 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
979
980         * cfg.c (connect_src, connect_dest, disconnect_src,
981         disconnct_dest): New.
982         (unchecked_make_edge, remove_edge, redirect_edge_succ,
983         redirect_edge_pred): Use the new functions.
984
985         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
986         free_dominance_info only when needed.
987
988 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
989
990         PR target/20276
991         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
992         (reg_or_sub_cint64_operand): Same.
993
994 2005-03-02  Jeff Law  <law@redhat.com>
995
996         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
997         CFG_ALTERED in the main DOM iteration loop.
998
999 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
1000
1001         PR c++/19916
1002         * varasm.c (initializer_constant_valid_p): Allow conversions
1003         between OFFSET_TYPEs.  Tidy.
1004
1005 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
1006
1007         * config/cris/cris.md ("return"): Remove epilogue delay list
1008         sanity check.
1009
1010 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
1011
1012         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
1013         for Thumb.
1014         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
1015
1016 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
1017
1018         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
1019         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
1020         config/m68k/m68k.c, config/mips/mips.h,
1021         config/rs6000/rs6000-protos.h, doc/contrib.texi,
1022         doc/include/gcc-common.texi: Update copyright.
1023
1024         PR middle-end/18029 and PR middle-end/18030
1025         * expr.c (optimize_bitfield_assignment_op): Add a special case
1026         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
1027
1028         * fold-const.c (fold_unary): New.
1029         (fold): Call fold_unary on unary expressions.
1030
1031 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
1032
1033         * cgraph.h (struct cgraph_edge): Add prev_caller and
1034         prev_callee fields.
1035         (cgraph_node_remove_callees): Export.
1036         * cgraph.c (cgraph_create_edge): Initialize prev_caller
1037         and prev_callee.
1038         (cgraph_edge_remove_callee): New function.
1039         (cgraph_edge_remove_caller): Likewise.
1040         (cgraph_remove_edge): Use.
1041         (cgraph_redirect_edge_callee): Likewise.
1042         (cgraph_node_remove_callees): New function.
1043         (cgraph_node_remove_callers): Likewise.
1044         (cgraph_remove_node): Use.
1045         * tree-optimize.c (tree_rest_of_compilation): Use
1046         cgraph_node_remove_callees instead of manual loop.
1047         * cgraphunit.c (cgraph_finalize_function): Likewise.
1048         (cgraph_expand_function): Likewise.
1049         (cgraph_remove_unreachable_nodes): Likewise.
1050
1051 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
1052
1053         PR c/8927
1054         * c-tree.h (undeclared_variable, build_external_ref): Add extra
1055         argument.
1056         * c-decl.c (undeclared_variable): Take location as argument.
1057         * c-typeck.c (build_external_ref): Likewise.
1058         * c-parser.c (c_parser_postfix_expression): Pass location of
1059         identifier to build_external_ref.
1060
1061 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
1062
1063         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
1064         CCEQ mode for branch_positive_comparison_operator test.
1065         * config/rs6000/predicates (branch_comparison_operator): Revert to
1066         define_predicate.
1067         (scc_comparison_operator): Same.
1068         (branch_positive_comparison_operator): Same.
1069
1070 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
1071
1072         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
1073         (cris_delay_slots_for_epilogue): Remove.
1074         (save_last): Move into cris_target_asm_function_epilogue.
1075         (cris_target_asm_function_epilogue): Remove tests for file being
1076         NULL.
1077         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
1078         (cris_delay_slots_for_epilogue): Remove prototypes.
1079         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
1080         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
1081
1082 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
1083
1084         * config/rs6000/predicates.md (branch_comparison_operator): Change
1085         to define_special_predicate.
1086         (scc_comparison_operator): Same.
1087         (branch_positive_comparison_operator): Same.
1088
1089 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
1090
1091         * Makefile.in (tree-ssa-sink.o): New.
1092         (OBJS-common): Add tree-ssa-sink.o.
1093         * common.opt: Add -ftree-sink
1094         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
1095         * timevar.def (TV_TREE_SINK): new timevar.
1096         * tree-flow.h (is_hidden_global_store): Prototype.
1097         * tree-optimize.c (init_tree_optimization_passes): Add
1098         pass_sink_code.
1099         * tree-pass.h (pass_sink_code): New.
1100         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
1101         for non-obvious global store store to is_hidden_global_store, and
1102         call that new function.
1103         * tree-ssa-sink.c: New file.
1104         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
1105         * doc/passes.texi: Document forward store motion.
1106         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
1107         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
1108         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
1109         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
1110
1111 2005-03-01  Per Bothner  <per@bothner.com>
1112
1113         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
1114         and we have a non-zero column-number, add it to the message.
1115         Also factor out the diagnostic_kind_text.
1116
1117 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
1118
1119         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
1120         flow_loop_pre_header_scan, flow_loop_pre_header_find,
1121         flow_loop_scan): Removed.
1122         (flow_loop_dump): Do not dump removed fields.
1123         (flow_loop_free): Do not free removed fields.
1124         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
1125         (loop_exit_edge_p): New function.
1126         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
1127         num_pre_header_edges, entry_edges, num_entries, exit_edges,
1128         num_exits, exits_doms.
1129         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
1130         LOOP_EDGES, LOOP_ALL): Removed.
1131         (flow_loop_scan): Declaration removed.
1132         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
1133         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
1134         flow_loops_find.
1135         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
1136         (if_convert): Call flow_loops_find and flow_loops_free
1137         when calling mark_loop_exit_edges.
1138         * cfgloopanal.c (mark_loop_exit_edges): Moved from
1139         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
1140         free_dominance_info calls.
1141         * loop-init.c (flow_loops_find): Ditto.
1142         * passes.c (rest_of_handle_branch_prob): Ditto.
1143         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
1144         * loop-unroll.c (analyze_insns_in_loop): Do not use
1145         EDGE_LOOP_EXIT.
1146         * predict.c (predict_loops): Do not call flow_loop_scan.
1147         Use get_loop_exit_edges.
1148         (tree_estimate_probability): Do not pass flags to flow_loops_find.
1149         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
1150         Do not use EDGE_LOOP_EXIT.
1151         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
1152         to bb_with_exit_edge_p.
1153         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
1154         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
1155         to bb_with_exit_edge_p.
1156         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
1157         EDGE_LOOP_EXIT.
1158         * tree-loop-linear.c (linear_transform_loops): Do not call
1159         flow_loop_scan.  Use loop->single_exit.
1160         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
1161         (vect_analyze_loop_form): Do not call flow_loop_scan.
1162         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
1163         loop->single_exit.
1164         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
1165         loop->single_exit.
1166         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
1167         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
1168         slpeel_tree_duplicate_loop_to_edge_cfg,
1169         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
1170         Use loop_preheader_edge and loop->single_exit.  Do not call
1171         flow_loop_scan.
1172
1173 2005-03-01  Nick Clifton  <nickc@redhat.com>
1174
1175         * config/arm/arm.c (thumb_find_work_register): Check all of the
1176         argument registers to see if they are free, and a couple of
1177         special cases where the last argument register but can be proved
1178         to be available during the function's prologue.
1179         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
1180         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
1181         thumb_unexpanded_epilogue): Use unsigned long as the type for the
1182         register bit-mask.
1183         (thumb_compute_save_reg_mask): Likewise.  Also use
1184         thumb_find_work_register() to ensure that there is agreement about
1185         which work register is going to be used in the prologue.
1186         (thumb_output_function_prologue): Use unsigned long as the type
1187         for the register bit-mask.  Also delay pushing the link register if
1188         other high registers are going to be pushed.
1189         (thumb_compute_save_reg_mask, emit_multi_reg_push,
1190         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
1191         redundant prototypes.
1192
1193 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
1194
1195         PR target/19819
1196         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
1197         and after reload in REG+REG indexed addresses without REG_POINTER
1198         set in the base and not set in the index.
1199
1200 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
1201
1202         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
1203         Don't undefine here.
1204         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
1205         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
1206         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
1207         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
1208         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
1209         Delete.
1210         * config.gcc (sh*-*-linux*): Use config/linux.h.
1211
1212 2005-02-28  Dale Johannesen  <dalej@apple.com>
1213             Stan Shebs  <shebs@apple.com>
1214
1215         Rewrite of 64-bit Darwin structure-by-value pass/return.
1216         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
1217         intoffset, use_stack, named.
1218         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
1219         (rs6000_darwin64_record_arg_advance_flush):  New.
1220         (rs6000_darwin64_record_arg_advance_recurse): New.
1221         (rs6000_darwin64_record_arg_flush):  New.
1222         (rs6000_darwin64_record_arg_recurse):  New.
1223         (rs6000_darwin64_record_arg):  New.
1224         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
1225         (function_arg_boundary):  Handle 128-bit aligned structs.
1226         (function_arg_advance):  Rewrite darwin64 struct handling.
1227         (function_arg):  Call rs6000_darwin64_record_arg.
1228         (function_arg_partial_nregs):  Handle darwin64 structs.
1229         (rs6000_darwin64_function_value):  Remove.
1230         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
1231
1232 2005-02-28  Roger Sayle  <roger@eyesopen.com>
1233
1234         PR tree-optimization/20216
1235         * tree-chrec.c (tree_fold_factorial): Delete.
1236         (tree_fold_binomial): Change argument list to take a return type
1237         and change the type of K to unsigned int.  Rewrite to avoid explicit
1238         evaluation of factorials, and (recursively) calling fold to perform
1239         compile-time arithmetic.  Return NULL on (internal) overflow.
1240         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
1241         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
1242         if any intermediate calculation overflows.
1243         (chrec_apply): Update call to chrec_evaluate.
1244
1245 2005-02-28  James E Wilson  <wilson@specifixinc.com>
1246
1247         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
1248
1249 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
1250
1251         PR c/20245
1252         * c-parser.c (c_parser_compound_statement): Return error_mark_node
1253         instead of NULL_TREE on error.
1254
1255 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
1256
1257         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
1258         (EASY_VECTOR_15_ADD_SELF): Remove.
1259         (num_insns_constant_wide): Not static.
1260         (validate_condition_mode): Not static.
1261         (toc_relative_expr_p): Not static.
1262         (legitimate_indirect_address_p): Not static.
1263         (macho_lo_sum_memory_operand): Not static.
1264         (invalid_e500_subreg): Not static.
1265         (easy_vector_same): Not static.
1266         (easy_vector_splat_const): Not static.
1267         (RS6000_SYMBOL_REF_TLS_P): Remove.
1268         (any_operand): Delete.
1269         (any_parallel_operand): Delete.
1270         (count_register_operand): Delete.
1271         (altivec_register_operand): Delete.
1272         (xer_operand): Delete.
1273         (s8bit_cint_operand): Delete.
1274         (short_cint_operand): Delete.
1275         (u_short_cint_operand): Delete.
1276         (non_short_cint_operand): Delete.
1277         (exact_log2_cint_operand): Delete.
1278         (gpc_reg_operand): Delete.
1279         (cc_reg_operand): Delete.
1280         (cc_reg_not_cr0_operand): Delete.
1281         (reg_or_short_operand): Delete.
1282         (reg_or_neg_short_operand): Delete.
1283         (reg_or_aligned_short_operand): Delete.
1284         (reg_or_u_short_operand): Delete.
1285         (reg_or_cint_operand): Delete.
1286         (reg_or_arith_cint_operand): Delete.
1287         (reg_or_add_cint64_operand): Delete.
1288         (reg_or_sub_cint64_operand): Delete.
1289         (reg_or_logical_cint_operand): Delete.
1290         (got_operand): Delete.
1291         (got_no_const_operand): Delete.
1292         (easy_fp_constant): Delete.
1293         (easy_vector_constant): Delete.
1294         (easy_vector_constant_add_self): Delete.
1295         (zero_constant): Delete.
1296         (zero_fp_constant): Delete.
1297         (volatile_mem_operand): Delete.
1298         (offsettable_mem_operand): Delete.
1299         (mem_or_easy_const_operand): Delete.
1300         (add_operand): Delete.
1301         (non_add_cint_operand): Delete.
1302         (logical_operand): Delete.
1303         (non_logical_cint_operand): Delete.
1304         (mask_operand): Delete.
1305         (mask_operand_wrap): Delete.
1306         (mask64_operand): Delete.
1307         (mask64_2_operand): Delete.
1308         (and64_operand): Delete.
1309         (and64_2_operand): Delete.
1310         (and_operand): Delete.
1311         (reg_or_mem_operand): Delete.
1312         (lwa_operand): Delete.
1313         (symbol_ref_operand): Delete.
1314         (call_operand): Delete.
1315         (current_file_function_operand): Delete.
1316         (input_operand): Delete.
1317         (rs6000_nonimmediate_operand): Delete.
1318         (rs6000_tls_symbol_ref): Delete.
1319         (save_world_operation): Delete.
1320         (restore_world_operation): Delete.
1321         (load_multiple_operation): Delete.
1322         (store_multiple_operation): Delete.
1323         (vrsave_operation): Delete.
1324         (mfcr_operation): Delete.
1325         (mtcrf_operation): Delete.
1326         (lmw_operation): Delete.
1327         (stmw_operation): Delete.
1328         (branch_comparison_operator): Delete.
1329         (branch_positive_comparison_operator): Delete.
1330         (scc_comparison_operator): Delete.
1331         (trap_comparison_operator): Delete.
1332         (boolean_operator): Delete.
1333         (boolean_or_operator): Delete.
1334         (min_max_operator): Delete.
1335         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
1336         (EASY_VECTOR_15): Moved to here.
1337         (EASY_VECTOR_15_ADD_SELF): Move to here.
1338         (PREDICATE_CODES): Delete.
1339         * config/rs6000/rs6000-protos.h: Delete predicate functions.
1340         Declare functions no longer static.
1341         * config/rs6000/predicates.md: New.
1342         * config/rs6000/rs6000.md: Include predicates.md
1343
1344 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
1345
1346         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
1347         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
1348         REG_ALWAYS_RETURN.
1349         * cfgrtl.c (need_fake_edge_p): Likewise.
1350         * combine.c (distribute_notes): Likewise.
1351         * emit-rtl.c (try_split): Likewise.
1352         * recog.c (peephole2_opimize): Likewise.
1353         * reg-notes.def (ALWAYS_RETURN): Remove.
1354         * rtl.h (LCT_ALWAYS_RETURN): Remove.
1355         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
1356         * tree.h (ECF_ALWAYS_RETURN): Remove.
1357
1358 2005-02-28  Roger Sayle  <roger@eyesopen.com>
1359
1360         PR middle-end/19874
1361         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
1362         between different machine modes is never a "useless" conversion.
1363
1364 2005-02-28  Geert Bosch  <bosch@gnat.com>
1365
1366         PR ada/15977
1367         * doc/contrib.texi: List contributors for Ada front end
1368
1369 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
1370
1371         * simplify-rtx.c (simplify_unary_operation_1,
1372         simplify_const_unary_operation): New, extracted from...
1373         (simplify_unary_operation): ... this one.
1374         (simplify_binary_operation_1,
1375         simplify_const_binary_operation): New, extracted from...
1376         (simplify_binary_operation): ... this one.
1377         * rtl.h (simplify_const_unary_operation,
1378         simplify_const_binary_operation): Add prototypes.
1379
1380 2005-02-28  Julian Brown  <julian@codesourcery.com>
1381
1382         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
1383         building libjava and caused PR regression/20228.
1384
1385 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
1386
1387         PR bootstrap/17383
1388         * Makefile.in (host_subdir): New.
1389         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
1390         * configure: Regenerate.
1391
1392 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
1393
1394         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
1395         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
1396         installation directory first.
1397
1398 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
1399
1400         PR target/19065.
1401         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
1402         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
1403         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
1404         * config/cris/cris.md: Tweak comments referring to Q.
1405         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
1406         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
1407         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
1408         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
1409         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
1410         Insert spaces in constraints to align alternatives vertically for
1411         readability.
1412         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
1413         operand 1: "M".
1414
1415 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1416
1417         PR rtl-optimization/17728
1418         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
1419         operand 0 from general_operand to move_dest_operand.
1420
1421 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1422
1423         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
1424         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
1425         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
1426         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
1427
1428 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
1429
1430         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
1431         * configure: Regenerate.
1432         * libada-mk.in: Remove CC; rename
1433         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
1434
1435 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
1436
1437         PR tree-opt/20188
1438         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
1439         for the lhs, also walk over the tree.  Likewise for rhs.
1440
1441 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
1442
1443         * tree-ssa-dom.c (simple_iv_increment_p): New function.
1444         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
1445         Do not propagate value of iv before increment over the increment.
1446
1447 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
1448
1449         * c-parser.c: New file.
1450         * c-parse.in: Remove.
1451         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
1452         Remove.
1453         (c-parser.o): Add dependencies.
1454         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
1455         maintainer-clean, TAGS): Update.
1456         * c-config-lang.in (gtfiles): Update.
1457         * gengtype-lex.l: Don't handle "@@".
1458         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
1459         objc_build_synchronized, objc_begin_try_stmt,
1460         objc_begin_catch_clause, objc_finish_catch_clause,
1461         objc_build_finally_clause, objc_finish_try_stmt): New.
1462         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
1463         type_seen_p.
1464         (c_parse_init): Update comment.
1465         * c-decl.c (c_init_decl_processing): Update comment.
1466         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
1467         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
1468         new c_declspecs members.
1469
1470 2005-02-25  Julian Brown  <julian@codesourcery.com>
1471
1472         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
1473         from being used for symbols with vague linkage when
1474         HAVE_GAS_COMDAT_GROUP is true.
1475
1476 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
1477
1478         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
1479
1480 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
1481
1482         PR target/19930
1483         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
1484         (LIBGCC2_HAS_DF_MODE): New.
1485         (LIBGCC2_HAS_XF_MODE): New.
1486         (LIBGCC2_HAS_TF_MODE): New.
1487         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
1488         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
1489         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
1490         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
1491         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
1492         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
1493         and add _fixtfdi, _fixunstfdi, _floatditf
1494         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
1495         L_fixunstfdi, L_floatditf.
1496         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
1497         (LIBGCC2_HAS_TF_MODE): Define.
1498
1499 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
1500
1501         PR tree-optimization/20204
1502         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
1503         REWRITE_THIS_STMT markers on PHI nodes.
1504         (rewrite_initialize_block): Likewise.
1505
1506 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
1507
1508         * version.c (version_string): Update to 4.1.
1509
1510 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
1511
1512         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
1513         Clarify that the alternative way doesn't work in GNU C++.
1514
1515 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
1516
1517         PR tree-optimization/19937
1518         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
1519         to the type of the induction variable.
1520
1521 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
1522
1523         PR rtl-optimization/20117
1524         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
1525         the block including noncopyable insn.
1526
1527 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
1528
1529         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
1530         calls to find_reg_note.
1531
1532 2005-02-24  Richard Henderson  <rth@redhat.com>
1533
1534         PR tree-opt/20127
1535         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
1536         the type.
1537
1538 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
1539
1540         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
1541         vector types if to use base reg for misaligned non-word ld/std.
1542
1543 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
1544
1545         PR target/14619
1546         * config/cris/cris.c (cris_target_asm_function_prologue): Create
1547         dwarf2 label manually and put it after, not before the prologue.
1548
1549 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
1550
1551         PR target/19019
1552         * reload.c (operands_match_p): Only increment register number for
1553         SCALAR_INT_MODE_P modes in multiple hard registers.
1554
1555         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
1556         Fix formatting.
1557
1558 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1559
1560         * ChangeLog.5: Fix log message typo(s).
1561         * ChangeLog.7: Likewise.
1562         * ChangeLog.tree-ssa: Likewise.
1563         * cfgexpand.c: Fix comment typo(s).
1564         * conflict.c: Likewise.
1565         * defaults.h: Likewise.
1566         * dwarf2out.c: Likewise.
1567         * gcse.c: Likewise.
1568         * ggc-page.c: Likewise.
1569         * tree-eh.c: Likewise.
1570         * tree-ssa-dom.c: Likewise.
1571
1572 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
1573
1574         PR target/19019
1575         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
1576         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
1577         if SHARED is defined.
1578
1579         PR target/20196
1580         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
1581         allow splitting only if operands 0 and 3 don't overlap.
1582
1583 2005-02-24  Richard Henderson  <rth@redhat.com>
1584
1585         PR middle-end/19953
1586         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
1587         (fold_builtin_1): Call them.
1588         * fold-const.c (fold_complex_mult_parts): Split out from ...
1589         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
1590         (fold_complex_div_parts, fold_complex_div): New.
1591         (fold): Use them.
1592         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
1593
1594 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1595
1596         * tree-ssa-ccp.c (visit_assignment): Verify that result of
1597         VIEW_CONVERT_EXPR is_gimple_min_invariant.
1598
1599         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
1600         (print_node): Likewise.
1601         Print TYPE_SIZES_GIMPLIFIED.
1602
1603 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
1604
1605         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
1606         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
1607         operands as commutative in constraints.
1608
1609 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
1610
1611         * tree-into-ssa.c: Re-organize internal functions.
1612
1613 2005-02-24  Richard Henderson  <rth@redhat.com>
1614
1615         PR middle-end/18902
1616         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
1617         for c99.
1618         * common.opt (fcx-limited-range): New.
1619         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
1620         * toplev.c (flag_complex_method): Initialize to 1.
1621         (process_options): Set flag_complex_method to 0 if
1622         flag_cx_limited_range.
1623         * doc/invoke.texi (-fcx-limited-range): New.
1624
1625 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
1626
1627         * cse.c (delete_trivially_dead_insns): Speed up by using
1628         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
1629         prev_real_insn.
1630
1631 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
1632
1633         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
1634         functions when -mid-shared-library is being used.
1635
1636 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
1637
1638         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
1639         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
1640         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
1641         * system.h: Poison LINK_LIBGCC_SPECIAL.
1642
1643 2005-02-23  James E Wilson  <wilson@specifixinc.com>
1644
1645         * gengtype.c (note_insn_name): Make 1 element larger.
1646
1647 2005-02-23  Roger Sayle  <roger@eyesopen.com>
1648
1649         PR target/20018
1650         PR rtl-optimization/20097
1651         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
1652         BImode SUBREGs of SImode registers which confuse the ia64 backend.
1653
1654 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
1655
1656         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
1657         * t-aix52 (SHLIB_INSTALL): Same.
1658
1659 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
1660
1661         * genpreds.c: Update copyright.
1662
1663 2005-02-23  Michael Beach  <michaelb@ieee.org>
1664
1665         PR target/20159
1666         * config/sparc/t-elf (startup files): Assemble with CPP.
1667
1668 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
1669
1670         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
1671         (write_predicate_expr): Likewise.
1672
1673 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
1674
1675         PR tree-optimization/20100
1676         PR tree-optimization/20115
1677         * tree-optimize.c (init_tree_optimization_passes): Remove
1678         pass_maybe_create_global_var.
1679         * tree-pass.h (pass_maybe_create_global_var): Remove.
1680         * tree-ssa-alias.c (aliases_computed_p): Declare.
1681         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
1682         (count_calls_and_maybe_create_global_var): Remove.
1683         (pass_maybe_create_global_var): Remove.
1684         (init_alias_info): Do not declare aliases_computed_p.
1685         (maybe_create_global_var): If the function contains no
1686         call-clobbered variables and a mix of pure/const and regular
1687         function calls, create .GLOBAL_VAR.
1688         Mark all call-clobbered variables for renaming.
1689         (merge_pointed_to_info): Update comment.
1690         (add_pointed_to_var): Likewise.
1691         (is_escape_site): Likewise.
1692         Accept struct alias_info * instead of size_t *.
1693         Update all users.
1694         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
1695         as necessary.
1696         * tree-ssa-operands.c (get_call_expr_operands): If
1697         ALIASES_COMPUTED_P is false, do not add call-clobbering
1698         operands.
1699         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
1700         (delete_tree_ssa): Likewise.
1701
1702 2005-02-22  James E Wilson  <wilson@specifixinc.com>
1703
1704         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
1705         (do_compile): Do call it here.
1706
1707 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
1708
1709         PR rtl-optimization/20017.
1710         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
1711         rest_of_handle_cse2, rest_of_handle_gcse): Call
1712         delete_dead_jumptables immediately before calling cleanup_cfg.
1713
1714 2005-02-22  Devang Patel  <dpatel@apple.com>
1715
1716         PR 19952
1717         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
1718         all labels
1719
1720 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
1721
1722         * config/rs6000/aix.h (WINT_TYPE): Define.
1723
1724 2005-02-22  Stan Shebs  <shebs@apple.com>
1725
1726         * config/rs6000/rs6000.c (rs6000_override_options): Default to
1727         natural alignment for 64-bit Darwin.
1728         (rs6000_parse_alignment_option): Warn about uses of -malign-power
1729         on 64-bit Darwin.
1730         * doc/invoke.texi: Document this.
1731
1732 2005-02-22  DJ Delorie  <dj@redhat.com>
1733
1734         * c-common.c (c_common_type_for_mode): Pass the mode's precision
1735         to make_[un]signed_type, not the mode itself.
1736
1737 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
1738
1739         * cfg.c (cached_make_edge): Call make_edge if edge cache is
1740         not available.  Use tail calls wherever possible.
1741         (make_edge): Call unchecked_make_edge to create an edge.
1742
1743         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
1744         (coalesce_ssa_name): Don't check for
1745         SSANORM_USE_COALESCE_LIST.
1746         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
1747
1748 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
1749
1750         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
1751         (rewrite_into_ssa): ... here.
1752
1753 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
1754
1755         PR tree-optimization/19786
1756         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
1757         tag to another's may-alias bitmap when adding to the other's list.
1758
1759 2005-02-21  DJ Delorie  <dj@redhat.com>
1760
1761         * tree-ssa-loop-ivopts.c (computation_cost): Start register
1762         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
1763         registers in unsupported ways.
1764         * expmed.c (init_expmed): Likewise.
1765
1766 2005-02-21  Stan Cox  <scox@redhat.com>
1767
1768         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
1769
1770 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
1771
1772         * tree-cfg.c (fold_cond_expr_cond): New.
1773         (make_edges): Call fold_cond_expr_cond.
1774         (find_taken_edge): Accept nothing but INTEGER_CST.
1775         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
1776         and 1.
1777         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
1778
1779         * flow.c (delete_dead_jumptables): Speed up by scanning insns
1780         that do not belong to any basic block.
1781
1782 2005-02-21  Jeff Law  <law@redhat.com>
1783
1784         * cfganal.c (find_unreachable_blocks): Manually CSE load of
1785         e->dest.
1786
1787 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
1788
1789         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
1790         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
1791         Adjust their definitions.
1792         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
1793         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
1794
1795         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
1796         genautomata.c, langhooks.c, langhooks.h, system.h,
1797         config/arm/lib1funcs.asm: Update copyright.
1798
1799 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
1800
1801         * dbxout.c (dbxout_function_end): Emit Lscope label always.
1802
1803 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
1804
1805         PR bootstrap/13770
1806         * doc/install.texi: Document --with-gc.
1807
1808 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
1809
1810         * simplify-rtx.c (simplify_unary_operation): Add a missing
1811         "break" statement.
1812
1813 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
1814
1815         PR tree-optimization/18663
1816         * tree-ssa-dom.c (extract_range_from_cond): Return 0
1817         if the type has variable bounds.
1818
1819 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
1820
1821         * gcse.c: Remove an obsolete comment.
1822
1823         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
1824
1825 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
1826
1827         * doc/extend.texi (Function Attributes) <Attribute const>: The
1828         attribute "pure" is below this text, not above.
1829
1830 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1831
1832         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
1833         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
1834         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
1835
1836 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
1837
1838         PR 18785
1839         * langhooks.h (struct lang_hooks): Add to_target_charset.
1840         * langhooks.c (lhd_to_target_charset): New function.
1841         * langhooks-def.h: Declare lhd_to_target_charset.
1842         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
1843         (LANG_HOOKS_INITIALIZER): Update.
1844         * c-common.c (c_common_to_target_charset): New function.
1845         * c-common.h: Declare it.
1846         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
1847         c_common_to_target_charset.
1848
1849         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
1850         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
1851         Delete definitions.
1852         * system.h: Poison them.
1853         * doc/tm.texi: Don't discuss them.
1854         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
1855         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
1856         (pp_c_char): Do not attempt to generate letter escapes for
1857         newline, tab, etc.
1858         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
1859         * config/mips/mips.c (mips_output_ascii): Likewise.
1860
1861 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
1862
1863         PR tree-optimization/19951
1864         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
1865         is abnormal.
1866
1867 2005-02-19  Steven Bosscher  <stevenb@suse.de>
1868
1869         PR middle-end/19698
1870         * function.h (struct function): New field `max_loop_depth'.
1871         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
1872         (flow_loops_find): Reset the max loop depth count before finding loops.
1873         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
1874         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
1875         (calculate_global_regs_live): Make sure the loop will terminate
1876         when the initial sets are not empty.
1877
1878 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
1879
1880         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
1881         object inside.
1882         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
1883
1884 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
1885
1886         PR other/19525
1887         * doc/invoke.texi: Remove documentation of %M spec.
1888         * gcc.c: Likewise.
1889         (init_spec): Remove %M suffix from -lgcc_s.
1890         (do_spec_1): Remove 'M' case.
1891         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
1892         to put shared libraries in the multilib directory.  Remove the
1893         shlib_so_soname substitution variable.  Don't add a multilib encoding
1894         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
1895         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
1896         SHLIB_INSTALL as well as SHLIB_LINK.
1897         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
1898         (SHLIB_NAME): Delete.
1899         (SHLIB_DIR): New macro.
1900         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
1901         (SHLIB_INSTALL): Adjust accordingly.
1902         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
1903         * config/t-slibgcc-sld: Likewise.
1904         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
1905         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
1906         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
1907         in $(SHLIB_DIR).
1908         (SHLIBUNWIND_INSTALL): Adjust accordingly.
1909         * config/i386/t-nwld (SHLIB_SONAME): Delete.
1910         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
1911         Use @shlib_base_name@ instead of @shlib_so_name@.
1912         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
1913         and @shlib_base_name@.so in @multilib_dir@.
1914         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
1915         to the install path.
1916         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
1917         (SHLIB_LINK): Remove previous workaround.
1918         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
1919         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
1920         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
1921         the install path.
1922         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
1923         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
1924         (SHLIB_INSTALL): Adjust accordingly.
1925         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
1926         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
1927         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
1928         config/t-slibgcc-elf-ver.
1929
1930 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
1931             Jakub Jelinek  <jakub@redhat.com>
1932
1933         PR tree-optimization/19828
1934         * tree-ssa-loop-im.c: Add a TODO comment.
1935         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
1936         without side-effects.
1937
1938 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
1939
1940         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
1941         call fold_convert.
1942
1943 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
1944
1945         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
1946         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
1947         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
1948         functions.
1949         (ia64_reorg): Delete fixup_errata call.
1950         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
1951         (TARGET_SWITCHES): Delete -mb-step entry.
1952
1953 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
1954
1955         PR c/20043
1956         * c-typeck.c (composite_type): Handle quals in transparent unions.
1957         (type_lists_compatible_p): Likewise.
1958
1959 2005-02-18  Stan Shebs  <shebs@apple.com>
1960
1961         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
1962         expressions in the .literal8 section.
1963
1964 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
1965
1966         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
1967
1968 2005-02-18  Roger Sayle  <roger@eyesopen.com>
1969
1970         * fold-const.c (constant_boolean_node): Always create values of the
1971         specified type, don't bother calling truthvalue_conversion.
1972
1973 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
1974
1975         * except.c (output_function_exception_table): Call
1976         assemble_external_libcall (eh_personality_libfunc).
1977
1978 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
1979
1980         PR target/19886
1981         * config/ia64/ia64.h (struct machine_function): Add state_num.
1982         * config/ia64/ia64.c (process_epilogue,
1983         process_for_unwind_directive): Use new unwind state numbers each
1984         time rather than state 1.
1985
1986 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
1987
1988         PR target/20054
1989         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
1990         before the "*llgt_didi" pattern.
1991
1992 2005-02-18  Jason Merrill  <jason@redhat.com>
1993
1994         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
1995
1996 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
1997
1998         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
1999         (div0): Use it in place of ARM_FUNC_ALIAS.
2000         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
2001
2002 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
2003
2004         PR middle-end/20030
2005         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
2006         access, the lower bound of the array type if it exists.
2007
2008 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
2009
2010         PR c++/20008
2011         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
2012         cases that are out-of-range for the index type.
2013
2014 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
2015
2016         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
2017         (estimate_case_costs): Don't call convert.
2018         * expmed.c (expand_shift): Likewise.
2019         (make_tree): Call fold_convert instead of convert.
2020
2021 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
2022
2023         PR c++/19813
2024         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
2025         that ref to be marked MEM_READONLY_P doesn't have base that needs
2026         constructing.
2027
2028 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
2029
2030         * genautomata.c (output_get_cpu_unit_code_func,
2031         output_cpu_unit_reservation_p): Don't generate old-style function
2032         definitions.
2033
2034 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
2035
2036         PR c++/20023
2037         PR tree-optimization/20009
2038         * convert.c (convert_to_integer): Revert 2005-02-16 change.
2039
2040         PR tree-optimization/18947
2041         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
2042         inline, remove all nodes that are inlined into the extern inline
2043         being redefined.
2044
2045 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
2046
2047         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
2048         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
2049         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
2050         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
2051         Update copyright.
2052
2053 2005-02-17  Roger Sayle  <roger@eyesopen.com>
2054
2055         PR tree-optimization/19917
2056         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
2057         to be potentially trapping.
2058
2059 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
2060
2061         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
2062
2063 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
2064
2065         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
2066         tem becomes a local variable which is set to the value of the
2067         back end defined INITIAL_FRAME_ADDRESS macro.
2068         (expand_builtin_frame_address): Omit the base parameter to
2069         expand_builtin_return_addr.
2070         (expand_builtin_profile_func): Likewise.
2071         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
2072         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
2073         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
2074
2075 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
2076
2077         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
2078         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
2079         * config/frv/frv.c (frv_function_epilogue): Likewise.
2080
2081 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
2082
2083         * lambda-code (perfect_nestify): Remove mark/unmark
2084         for rewriting hack.
2085         * tree-loop-linear.c (linear_transform_loops): Add
2086         rewrite_into_ssa call so that ssa is correct for
2087         rewriting into loop closed.
2088
2089 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
2090
2091         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
2092         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
2093         BITMAP_FREE.
2094         * bt-load.c (btr_def_live_range, combine_btr_defs,
2095         migrate_btr_def, migrate_btr_defs): Likewise.
2096         * cfgcleanup.c (thread_jump): Likewise.
2097         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
2098         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
2099         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
2100         df_rd_local_compute, df_reg_info_compute): Likewise.
2101         * dominance.c (init_dom_info, free_dom_info): Likewise.
2102         * flow.c (init_propagate_block_info,
2103         free_propagate_block_info): Likewise.
2104         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
2105         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
2106         modify_reg_pav): Likewise.
2107         * loop-invariant.c (find_defs, find_invariant_insn,
2108         find_invariants, free_inv_motion_data): Likewise.
2109         * predict.c (tree_predict_by_opcode,
2110         estimate_bb_frequencies): Likewise.
2111         * stmt.c (expand_case): Likewise.
2112         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
2113         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
2114         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
2115         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
2116         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
2117         rewrite_ssa_into_ssa): Likewise.
2118         * tree-optimize.c (tree_rest_of_compilation): Likewise.
2119         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
2120         analyze_edges_for_bb, perform_edge_inserts): Likewise.
2121         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
2122         * tree-sra.c (tree_sra): Likewise.
2123         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
2124         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
2125         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
2126         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
2127         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
2128         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
2129         Likewise.
2130         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
2131         calculate_live_on_entry, calculate_live_on_exit,
2132         build_tree_conflict_graph): Likewise.
2133         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
2134         record_important_candidates, set_use_iv_cost, find_depends,
2135         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
2136         tree_ssa_iv_optimize_finalize): Likewise.
2137         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
2138         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
2139         tree_duplicate_loop_to_header_edge): Likewise.
2140         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
2141         * tree-ssa.c (verify_flow_insensitive_alias_info,
2142         verify_name_tags, verify_ssa, init_tree_ssa,
2143         delete_tree_ssa): Likewise.
2144         * tree-ssanames.c (marked_ssa_names, init_ssanames,
2145         fini_ssanames): Likewise.
2146         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
2147
2148 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
2149
2150         * config/rs6000/t-rtems: Completely reworked.
2151
2152 2005-02-17  Ira Rosen  <irar@il.ibm.com>
2153
2154         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
2155
2156 2005-02-17  Ira Rosen  <irar@il.ibm.com>
2157
2158         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
2159         POINTER_TYPE_P when checking that type is a pointer.
2160         (vect_get_memtag): Remove.
2161         (vect_address_analysis): Use POINTER_TYPE_P. Call
2162         vect_object_analysis with dummy parameter for memtag.
2163         (vect_object_analysis): Extract memtag (functionality that
2164         used to be in vect_get_memtag and moved here). Fix printings.
2165         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
2166         with correct parameters. Remove call to vect_get_memtag.
2167
2168 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
2169
2170         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
2171         (tree-vectorizer.o): Added missing dependencies.
2172
2173         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
2174         decleration.
2175         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
2176         declaration in tree-vectorizer.c, now has an extern declaration in
2177         tree-vectorizer.h).
2178         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
2179         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
2180         get_vectype_for_scalar_type, vect_is_simple_use,
2181         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
2182         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
2183         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
2184         vectorizable_store, vectorizable_operation, vectorizable_assignment,
2185         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
2186         find_loop_location): Likewise.
2187
2188         * tree-vectorizer.c (langhooks.h): #include removed.
2189         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
2190         moved to tree-vectorized.h.
2191         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
2192         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
2193         get_vectype_for_scalar_type, vect_is_simple_use,
2194         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
2195         vect_supportable_dr_alignment, new_loop_vec_info,
2196         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
2197         vect_set_verbosity_level, find_loop_location): Likewise.
2198
2199         (vect_analyze_loop): Function externalized. Declaration moved to
2200         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
2201         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
2202         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
2203         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
2204         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
2205         vect_enhance_data_refs_alignment, vect_analyze_operations,
2206         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
2207         vect_stmt_relevant_p, vect_get_loop_niters,
2208         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
2209         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
2210         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
2211         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
2212         vect_get_memtag): Likewise.
2213
2214         (vectorizable_load): Function externalized. Declaration moved to
2215         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
2216         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
2217         vect_transform_loop): Likewise.
2218         (vect_transform_stmt): Moved to tree-vect-transform.c.
2219         (vect_align_data_ref, vect_create_destination_var,
2220         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
2221         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
2222         vect_get_vec_def_for_operand, vect_init_vector,
2223         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
2224         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
2225         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
2226         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
2227         vect_do_peeling_for_loop_bound): Likewise.
2228
2229         * tree-vect-analyze.c: New file.
2230         * tree-vect-transform.c: New file.
2231
2232 2005-02-17  Jason Merrill  <jason@redhat.com>
2233
2234         PR mudflap/19319, c++/19317
2235         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
2236         slot explicit.
2237
2238 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
2239
2240         * doc/install.texi (Specific): Update link for Darwin-specific
2241         tool binary site.
2242
2243 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
2244
2245         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
2246         constant_boolean_node.
2247
2248 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
2249
2250         PR target/19019
2251         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
2252         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
2253
2254 2005-02-16  Richard Henderson  <rth@redhat.com>
2255
2256         PR 19920
2257         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
2258         with W_TYPE_SIZE.
2259         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
2260         replace uses with Wtype_MAXp1_F.
2261         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
2262         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
2263         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
2264         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
2265         and HAVE_TFMODE as appropriate.
2266         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
2267         (__floatdisf): Likewise.
2268         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
2269         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
2270         (Wtype_MAXp1_F): New.
2271         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
2272         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
2273
2274 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
2275
2276         * PR target/19162
2277         * arm.c (arm_apply_result_size): New function.
2278         * arm.h (APPLY_RESULT_SIZE): Define.
2279         * arm-protos.h (arm_apply_result_size): Add prototype.
2280         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
2281         (movxf): New expand.
2282         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
2283         (call_value_symbol): Remove predicate for operand 0.
2284         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
2285         (untyped_call): Rework to correclty return values for any type.
2286         (untyped_return): New expand.
2287         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
2288
2289 2005-02-16  Stan Shebs  <shebs@apple.com>
2290
2291         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
2292         * config/rs6000/t-darwin8: New, for 64-bit multilib.
2293
2294 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
2295
2296         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
2297         configure settings on Solaris 7 and later.
2298
2299 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
2300
2301         PR tree-optimization/19865
2302         * tree-optimize.c (init_tree_optimization_passes): Run
2303         pass_may_alias after pass_sra.
2304
2305 2005-02-16  Richard Henderson  <rth@redhat.com>
2306             Stuart Hastings  <stuart@apple.com>
2307
2308         PR debug/19521
2309         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
2310         Do nothing if debug info suppressed for this function.
2311         (dbxout_begin_function): Early exit if debug info suppressed for
2312         this function.
2313
2314 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
2315
2316         PR target/20007
2317         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
2318         find_basic_blocks.
2319         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
2320
2321         PR tree-optimization/19967
2322         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
2323         expand_builtin_strchr, expand_builtin_strrchr): Take a new
2324         argument TYPE.  Adjust calls to fold_builtin_XXX.
2325         (expand_builtin, fold_builtin_1): Adjust calls to
2326         expand_builtin_XXX.
2327         (fold_builtin_strchr, fold_builtin_strpbrk,
2328         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
2329         result to a requested type TYPE.
2330
2331 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
2332
2333         PR middle-end/19857
2334         * fold-const.c (fold): Don't optimize (T)(x & cst) to
2335         (T)x & (T)cst if (T)cst overflows.
2336         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
2337         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
2338
2339 2005-02-15  Jeff Law  <law@redhat.com>
2340
2341         * gcse.c (blocks_with_calls): New bitmap.
2342         (alloc_gcse_mem): Allocate it.
2343         (free_gcse_mem): Free it.
2344         (clear_modifY_mem_tables): Clear it.
2345         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
2346         when we encounter CALL_INSNs.
2347         (compute_transp, case MEM): Handle blocks with calls separate
2348         from blocks without calls.  Use bitmap iterators rather than
2349         FOR_EACH_BB.
2350
2351 2005-02-15  Peter O'Gorman  <peter@pogma.com>
2352
2353         PR bootstrap/18810
2354         * mklibgcc.in (vis_hide): Use a temporary object file, not
2355         -o /dev/null.
2356
2357 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
2358
2359         PR target/19924
2360         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
2361         access optimization.
2362
2363 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
2364             Alan Modra  <amodra@bigpond.net.au>
2365
2366         PR target/19019
2367         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
2368         (_xlqsub): Rename to __gcc_qsub.
2369         (_xlqmul): Rename to __gcc_qmul.
2370         (_xlqdiv): Rename to __gcc_qdiv.
2371         Provide versioned symbol aliases with old names.
2372         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
2373         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
2374         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
2375         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
2376         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
2377
2378 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
2379
2380         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
2381         Fold ~(A - 1) and ~(A + -1) to -A.
2382
2383 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
2384
2385         PR pch/14940
2386         PR target/19300
2387         * config/host-linux.c (linux_gt_pch_use_address): Copy from
2388         config/pa/pa-host.c:pa_gt_pch_use_address.
2389
2390 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
2391
2392         * tree-vn.c (get_value_handle): Make sure that given an
2393         is_gimple_min_invariant expression, we always return it.
2394
2395 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
2396
2397         * passes.c (rest_of_handle_gcse): Fix a comment.
2398
2399 2005-02-15  Jeff Law  <law@redhat.com>
2400
2401         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
2402         bitmap.
2403         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
2404         (canon_list_insert, record_last_mem_set_info): Similarly.
2405         (clear_modify_mem_tables): Similarly.
2406
2407 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
2408
2409         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
2410         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
2411         config/mips/mips.md, config/rs6000/aix.h,
2412         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
2413
2414 2005-02-15  Richard Henderson  <rth@redhat.com>
2415
2416         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
2417         call to be best_edge.
2418
2419 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
2420
2421         * basic-block.h: Adjust the prototype for find_basic_blocks.
2422         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
2423         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
2424         find_basic_blocks.
2425
2426         * flow.c (recompute_reg_usage): Remove all arguments.
2427         * passes.c (rest_of_compilation): Adjust the call to
2428         recompute_reg_usage.
2429         * rtl.h: Adjust the prototype for recompute_reg_usage.
2430
2431 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
2432
2433         * tree-dump.c (dump_files): Update to reflect new member
2434         of dump_file_info.
2435         (dump_register): Add new argument.
2436         Set glob name.
2437         (dump_switch_p_1): Check against glob name if doglob was passed.
2438         (dump_switch_p): Check against regular first, then glob if
2439         we didn't have any hits on the dump name.
2440         * tree-optimize.c (register_one_dump_file):
2441         Pass in glob name as well.
2442         * tree-pass.h (struct dump_file_info): Add glob
2443         member.
2444
2445 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
2446
2447         PR preprocessor/16323
2448         * doc/invoke.texi: Document that -Wendif-labels is on by default.
2449
2450 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
2451
2452         PR target/19019
2453         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
2454         (trunctfdf2_internal1): New.
2455         (trunctfdf2_internal2): Renamed from trunctfdf2.
2456
2457 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
2458
2459         PR tree-optimization/19853
2460         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
2461
2462 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
2463
2464         * passes.c (rest_of_handle_loop_optimize): Remove calls to
2465         delete_dead_jumptables and cleanup_cfg.
2466
2467 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
2468
2469         * reload.c (find_reloads): Swap address_reloaded flags when
2470         swapping commutative operands.
2471
2472 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
2473
2474         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
2475         Use standard_iv_increment_position for computing the bsi position
2476         for create_iv.
2477         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
2478         the bsi position.
2479
2480 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
2481
2482         PR target/17428
2483         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
2484         life range of hard registers.
2485         * value-prof.c (insn_prefetch_values_to_profile): Only
2486         scan normal insns.
2487
2488         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
2489         profile in libcalls.
2490
2491 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
2492
2493         * bitmap.h (bitmap_and_compl_into): Return bool.
2494         * bitmap.c (bitmap_and_compl_into): Return changed flag.
2495
2496 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
2497
2498         PR tree-optimization/19944
2499         * fold-const.c (fold): Re-add ABS_EXPR folding.
2500
2501 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
2502
2503         PR target/19019
2504         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
2505         {TARGET,MASK}_XL_COMPAT.
2506         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
2507         MASK_XL_COMPAT.
2508         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
2509         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
2510         TARGET_XL_COMPAT.
2511         (rs6000_arg_partial_bytes): Same.
2512         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
2513         and XL compatibility enabled.
2514         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
2515         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
2516         test to final condition.
2517         (cmptf_internal2): New.
2518         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
2519         xl-compat.  Add TFmode information to description.
2520
2521 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
2522
2523         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
2524
2525 2005-02-13  Jason Merrill  <jason@redhat.com>
2526
2527         PR c++/16405
2528         * fold-const.c (fold_indirect_ref_1): Split out from...
2529         (build_fold_indirect_ref): Here.
2530         (fold_indirect_ref): New fn.
2531         * tree.h: Declare it.
2532         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
2533         (gimplify_modify_expr_rhs): Likewise.
2534         (gimplify_expr): Likewise.
2535
2536 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
2537
2538         PR tree-optimization/14303
2539         PR tree-optimization/15784
2540         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
2541         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
2542         ABS_EXPR<x> != 0 to x != 0.
2543
2544 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
2545
2546         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
2547         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
2548         spelling conventions.
2549
2550         * passes.c (rest_of_handle_gcse): Don't run cse_main and
2551         delete_trivially_dead_insns too many times.
2552
2553         * passes.c (rest_of_handle_gcse): Remove dead assignments to
2554         tem and tem2.
2555
2556 2005-02-12  Ira Rosen  <irar@il.ibm.com>
2557
2558         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
2559         (vect_is_simple_iv_evolution): Remove redundant parameter
2560         and step check.
2561         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
2562         without last parameter.
2563         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
2564         Return pointer step. Call vect_is_simple_iv_evolution without
2565         last parameter. Check only that the step is multiple of size
2566         type. Remove stmt_vinfo updates.
2567         (vect_get_memtag_and_dr): Remove.
2568         (vect_get_memtag): New function.
2569         (vect_address_analysis): New function.
2570         (vect_object_analysis): New function.
2571         (vect_analyze_data_refs): Call vect_object_analysis and
2572         vect_get_memtag. Update stmt_vinfo fields.
2573
2574 2005-02-12  Ira Rosen  <irar@il.ibm.com>
2575
2576         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
2577         exist and are objects. Remove checks for pointer.
2578         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
2579         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
2580         (vect_create_data_ref_ptr): Likewise.
2581         (vect_base_addr_differ_p): New function.
2582         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
2583         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
2584         Don't set the DR_BASE_NAME field of data-ref.
2585         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
2586
2587 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
2588
2589         * optabs.h (enum optab_index): Add new OTI_ldexp.
2590         (ldexp_optab): Define corresponding macro.
2591         * optabs.c (init_optabs): Initialize ldexp_optab.
2592         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
2593         patterns.
2594         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
2595         using ldexp_optab.
2596         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
2597         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
2598
2599         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
2600         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
2601         intrinsics.
2602
2603 2005-02-12  Ira Rosen  <irar@il.ibm.com>
2604
2605         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
2606         to base_address.
2607         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
2608         stmt_vec_info.
2609         (vect_get_base_and_offset): Always return an address.
2610         (vect_create_addr_base_for_vector_ref): Remove treatment for
2611         different data reference types.
2612         (vect_compute_data_ref_alignment): Rename base to base_address in
2613         stmt_vec_info. Get the object in order to force its alignment.
2614         (vect_get_memtag_and_dr): Rename base to base_address in
2615         stmt_vec_info. Extract the object for memtag analysis.
2616
2617 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
2618
2619         PR regression/19898.
2620         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
2621         changes cc_status, use apply modified_in_p to part of cc_status
2622         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
2623         body.
2624
2625 2005-02-11  Richard Henderson  <rth@redhat.com>
2626
2627         * tree-complex.c (expand_complex_libcall): New.
2628         (expand_complex_multiplication): Use it for c99 compliance.
2629         (expand_complex_division): Likewise.
2630         * fold-const.c (fold_complex_add, fold_complex_mult): New.
2631         (fold): Call them.
2632         * builtins.c (built_in_names): Remove const.
2633         * tree.c (build_common_builtin_nodes): Build complex arithmetic
2634         builtins.
2635         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
2636         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
2637         (built_in_names): Remove const.
2638         * c-common.c (c_common_type_for_mode): Handle complex modes.
2639         * flags.h, toplev.c (flag_complex_method): Rename from
2640         flag_complex_divide_method.
2641         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
2642         __mulsc3, __muldc3, __mulxc3, __multc3): New.
2643         * libgcc2.h: Declare them.
2644         * libgcc-std.ver: Export them.
2645         * mklibgcc.in (lib2funcs): Build them.
2646
2647 2005-02-11  Steven Bosscher  <stevenb@suse.de>
2648
2649         PR tree-optimization/19876
2650         Partially revert my change from 2005-01-14
2651         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
2652         (compute_antic): ...and remove the loop here.
2653
2654 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
2655
2656         PR middle-end/19858
2657         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
2658         is number of inner's bits, avoid creating a BIT_FIELD_REF.
2659
2660         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
2661         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
2662
2663 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
2664
2665         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
2666         offsets for the big-endian 32-bit case.
2667
2668 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
2669
2670         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
2671
2672 2005-02-11  Dale Johannesen  <dalej@apple.com>
2673
2674         * cselib.c (cselib_process_insn):  Clear out regs where
2675         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
2676         * reload.c (find_equiv_reg): Ditto.
2677
2678 2005-02-11  Ian Lance Taylor  <ian@airs.com>
2679
2680         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
2681         with no elements.
2682
2683         * tree.c (build_function_type_list): Work correctly if there are
2684         no arguments.
2685
2686 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
2687
2688         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
2689         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
2690         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
2691         TARGET_ZARCH instead of TARGET_64BIT.
2692
2693 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
2694
2695         * config/rs6000/t-rtems:
2696         (MULTILIB_OPTIONS): Remove mcpu=602.
2697         (MUTLILIB_DIRNAMES): Remove m602.
2698         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
2699         Let mcpu=602 match mcpu=603.
2700         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
2701
2702 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2703
2704         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
2705         signal trampolines.
2706
2707 2005-02-10  David Daney  <ddaney@avtrex.com>
2708
2709         * config/alpha/linux-unwind.h: Add exception clause to copyright.
2710         * config/i386/linux-unwind.h: Likewise.
2711         * config/ia64/linux-unwind.h: Likewise.
2712         * config/mips/linux-unwind.h: Likewise.
2713         * config/pa/linux-unwind.h: Likewise.
2714         * config/rs6000/linux-unwind.h: Likewise.
2715         * config/s390/linux-unwind.h: Likewise.
2716         * config/sh/linux-unwind.h: Likewise.
2717         * config/sparc/linux-unwind.h: Likewise.
2718
2719 2005-02-10  Steven Bosscher  <stevenb@suse.de>
2720
2721         PR tree-optimization/17549
2722         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
2723         TER to replace a DEF with its expression if the DEF and the
2724         rhs of the expression we replace into have the same root
2725         variable.
2726
2727 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
2728
2729         * config/mips/mips.md: Fix the placement of the match_scratch in the
2730         lea64 peephole2.
2731
2732 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
2733
2734         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
2735         Fix comment typos.
2736
2737 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
2738
2739         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
2740         (strip_offset): Handle addresses.
2741         (add_address_candidates): Use strip_offset.
2742         (difference_cost): Reflect strip_offset change.
2743         (force_var_cost, difference_cost): Strip nops.
2744
2745 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
2746
2747         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
2748
2749         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
2750         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
2751         config/cris/cris-protos.h, config/cris/cris.c: Update
2752         copyright.
2753
2754 2005-02-10  Jeff Law  <law@redhat.com>
2755
2756         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
2757         (lookup_avail_expr): Similarly.
2758
2759 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
2760
2761         * builtins.c (fold_builtin_powi): New function.
2762         (fold_builtin_1): Call it.
2763
2764 2005-02-10  Steven Bosscher  <stevenb@suse.de>
2765
2766         PR documentation/19309
2767         * doc/cpp.texi: The __GNUC__ and related predefined macros
2768         are also defined for the "standalone" cpp.
2769         Some non-GCC compilers may also define __GNUC__.
2770
2771 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
2772
2773         PR c/19342
2774         * c-typeck.c (common_type): New routine.  Old common_type renamed
2775         to...
2776         (c_common_type): ...this.
2777         (build_conditional_expr, build_binary_op): Use c_common_type instead
2778         of common_type.
2779
2780 2005-02-10  Steven Bosscher  <stevenb@suse.de>
2781
2782         * doc/md.texi: Replace @samp{length} with @code{length}.
2783
2784 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
2785
2786         PR tree-optimization/18687
2787         * tree-flow.h (find_loop_niter): Declare.
2788         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
2789         Try using scev even for loops with more than one exit.
2790         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
2791         (struct ivopts_data): Added niters field.
2792         (struct nfe_cache_elt): New.
2793         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
2794         functions.
2795         (tree_ssa_iv_optimize_init): Initialize niters cache.
2796         (determine_number_of_iterations): Removed.
2797         (find_induction_variables): Do not call determine_number_of_iterations.
2798         Access niters for single exit through niter_for_single_dom_exit.
2799         (add_iv_outer_candidates): Access niters for single exit through
2800         niter_for_single_dom_exit.
2801         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
2802         number_of_iterations_cond.
2803         (iv_period): New function.
2804         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
2805         (may_replace_final_value): Take data argument.  Use
2806         niter_for_single_dom_exit.
2807         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
2808         (rewrite_use_compare): Pass data to may_eliminate_iv.
2809         (rewrite_use_outer): Pass data to may_replace_final_value.
2810         (free_loop_data): Clean up the niters cache.
2811         (tree_ssa_iv_optimize_finalize): Free the niters cache.
2812         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
2813         * tree-ssa-loop-niter.c (find_loop_niter): New function.
2814         (find_loop_niter_by_eval): Use tree_int_cst_lt.
2815         (num_ending_zeros): Moved to tree.c.
2816         * tree.h (num_ending_zeros): Declare.
2817         * tree.c (num_ending_zeros): Moved from tree.c.
2818
2819 2005-02-09  Richard Henderson  <rth@redhat.com>
2820
2821         * builtins.c (DEF_BUILTIN): Add COND argument.
2822         * tree.h (DEF_BUILTIN): Likewise.
2823         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
2824         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
2825         match.
2826         (DEF_BUILTIN_STUB): New.
2827         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
2828         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
2829         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
2830         * c-common.c (DEF_BUILTIN): Add COND argument.
2831         * tree.c (local_define_builtin): New.
2832         (build_common_builtin_nodes): New.
2833
2834 2005-02-09  Roger Sayle  <roger@eyesopen.com>
2835
2836         * fold-const.c (fold_strip_sign_ops): New function to simplify a
2837         floating point expression ignoring the sign of the result.
2838         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
2839         (fold) <MULT_EXPR>: Use it to simplify x*x.
2840         * tree.h (fold_strip_sign_ops): Prototype here.
2841         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
2842         argument.  Use fold_strip_sign_ops to simplify the first argument.
2843         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
2844         first argument when the second argument is an even integer
2845         constant, but only with -funsafe_math_optimizations.
2846         (fold_builtin_1): Update call to fold_builtin_copysign.
2847
2848 2005-02-09  Ian Lance Taylor  <ian@airs.com>
2849
2850         PR middle-end/19583
2851         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
2852         just check whether EH_FILTER_FAILURE falls through.
2853
2854 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
2855
2856         * gcc/haifa-sched.c (schedule_block): Make queued sched group
2857         insns return to ready list in the next turn.
2858
2859 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
2860
2861         PR middle-end/19402
2862         * builtins.def: New __builtin_powi[lf].
2863         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
2864         (expand_builtin_powi): New function.
2865         (expand_builtin): Dispatch to expand_builtin_powi.
2866         * libgcc2.h: Add prototypes for __builtin_powi[lf].
2867         * libgcc2.c: Add __builtin_powi[lf] implementation.
2868         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
2869         * optabs.h: Add powi_optab.
2870         * optabs.c (init_optabs): Initialize powi_optab.
2871         * doc/extend.texi: Document __builtin_powi[lf].
2872
2873 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
2874
2875         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
2876         exists.
2877
2878 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
2879
2880         PR middle-end/19854
2881         * fold-const.c (try_move_mult_to_index): Remove redundant
2882         type argument.  Create ADDR_EXPR with correct type.
2883         (fold): Update callers of try_move_mult_to_index.  Convert
2884         result to the appropriate type.
2885
2886 2005-02-09  Roger Sayle  <roger@eyesopen.com>
2887
2888         PR target/19597
2889         * config/avr/avr.c (default_rtx_costs): Delete.
2890         (avr_operand_rtx_cost): New function.
2891         (avr_rtx_costs): Completely rewrite.
2892
2893 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
2894
2895         PR target/19806
2896         * config/cris/cris.c (in_code): New variable.
2897         (cris_output_addr_const): Now a static function, a wrapper for
2898         output_addr_const.
2899         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
2900         case from old cris_output_addr_const.
2901         (cris_asm_output_label_ref): Similar for LABEL_REF.
2902         (cris_output_addr_const_extra): Similar for UNSPEC.
2903         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
2904         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
2905         * config/cris/cris-protos.h (cris_output_addr_const): Remove
2906         declaration.
2907         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
2908         (cris_asm_output_label_ref): Declare.
2909
2910 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
2911
2912         PR preprocessor/19801
2913         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
2914         filenames that changed when libcpp was moved to the toplevel.
2915
2916 2005-02-07  Roger Sayle  <roger@eyesopen.com>
2917
2918         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
2919         zero extensions of BImode operands.  Call lowpart_subreg instead
2920         of gen_lowpart_common and gen_lowpart_SUBREG.
2921
2922 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
2923
2924         PR ada/19489
2925         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
2926         * configure.ac: Set cc_for_cross_gnattools.
2927         * configure: Regenerate.
2928
2929 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
2930
2931         PR target/19803
2932         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
2933
2934 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
2935
2936         PR debug/19327
2937         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
2938         of nested functions.
2939
2940 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
2941
2942         * doc/extend.texi: Document deprecated extensions allowing
2943         static floating-point members to have initializers and allowing
2944         floating-point literals in integral constant expressions.
2945
2946 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
2947
2948         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
2949         config/darwin7.h, config/mips/mips.c,
2950         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
2951         Update copyright.
2952
2953         * cse.c: Update comments.
2954
2955 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
2956
2957         PR middle-end/19775
2958         * builtins.c (fold_builtin_sqrt): Transform
2959         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
2960         pow(x,y*0.5).
2961
2962 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
2963             Dorit Naishlos  <dorit@il.ibm.com>
2964
2965         * doc/invoke.texi (ftree-vectorizer-verbose): New.
2966         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
2967         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
2968         was added.
2969         * tree.h (vect_set_verbosity_level): New extern function declaration
2970         added.
2971         * tree-vectorizer.h (verbosity_levels): New enum type.
2972         * tree-vectorizer.c (vect_debug_stats): Function removed.
2973         (vect_debug_details): Likewise.
2974         (vect_verbosity_level): Global variable was defined and initialized.
2975         (vect_dump): Global variable definition.
2976         (vect_print_dump_info): New function.
2977         (vect_set_dump_settings): New function.
2978         (vect_set_verbosity_level): New function.
2979         (vectorize_loops): Add call to vect_set_dump_settings.
2980
2981         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
2982         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
2983         (slpeel_tree_peel_loop_to_edge): Likewise.
2984
2985         (vect_analyze_offset_expr): Call to vect_print_dump_info with
2986         appropriate verbosity level instead of call to vect_debug_details
2987         or vect_debug_stats.
2988         (vect_get_base_and_offset):
2989         (vect_create_addr_base_for_vector_ref):
2990         (get_vectype_for_scalar_type):
2991         (vect_create_data_ref_ptr):
2992         (vect_init_vector):
2993         (vect_get_vec_def_for_operand):
2994         (vect_finish_stmt_generation):
2995         (vectorizable_assignment):
2996         (vectorizable_operation):
2997         (vectorizable_store):
2998         (vectorizable_load):
2999         (vect_transform_stmt):
3000         (vect_update_ivs_after_vectorizer):
3001         (vect_do_peeling_for_loop_bound):
3002         (vect_update_inits_of_drs):
3003         (vect_do_peeling_for_alignment):
3004         (vect_transform_loop):
3005         (vect_is_simple_use):
3006         (vect_analyze_operations):
3007         (vect_is_simple_iv_evolution):
3008         (vect_analyze_scalar_cycles):
3009         (vect_analyze_data_ref_dependence):
3010         (vect_analyze_data_ref_dependences):
3011         (vect_compute_data_ref_alignment):
3012         (vect_enhance_data_refs_alignment):
3013         (vect_analyze_data_refs_alignment):
3014         (vect_analyze_data_ref_access):
3015         (vect_analyze_data_ref_accesses):
3016         (vect_analyze_pointer_ref_access):
3017         (vect_get_memtag_and_dr):
3018         (vect_analyze_data_refs):
3019         (vect_mark_relevant):
3020         (vect_stmt_relevant_p):
3021         (vect_mark_stmts_to_be_vectorized):
3022         (vect_can_advance_ivs_p):
3023         (vect_get_loop_niters):
3024         (vect_analyze_loop_form):
3025         (vect_analyze_loop):
3026         (vectorize_loops): Likewise.
3027
3028         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
3029         (vect_update_inits_of_drs):
3030         (vect_do_peeling_for_alignment):
3031         (vect_transform_loop):
3032         (vect_analyze_operations):
3033         (vect_analyze_scalar_cycles):
3034         (vect_analyze_data_ref_dependences):
3035         (vect_analyze_data_refs_alignment):
3036         (vect_analyze_data_ref_accesses):
3037         (vect_analyze_data_refs):
3038         (vect_mark_stmts_to_be_vectorized):
3039         (vect_get_loop_niters):
3040         (vect_analyze_loop_form):
3041         (vect_analyze_loop): Likewise.
3042         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
3043
3044 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
3045
3046         PR bootstrap/19796
3047         Revert:
3048         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
3049         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
3050         either -ffast-math or -funsafe-math-optimizations is in use.
3051
3052         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
3053         * config/mips/irix-csr.c: New file.
3054         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
3055         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
3056         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
3057         executables.
3058
3059 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
3060
3061         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
3062         redundant, incorrect definitions.
3063
3064         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
3065         expand.
3066         ("*tls_indirect_call"): New, reference hard regs directly.
3067         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
3068
3069 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
3070
3071         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
3072         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
3073
3074 2005-02-06  Roger Sayle  <roger@eyesopen.com>
3075
3076         PR rtl-optimization/19800
3077         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
3078         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
3079         gen_lowpart.
3080
3081 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
3082
3083         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
3084
3085 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
3086
3087         PR other/17135
3088         * doc/invoke.texi: Correct documentation of -freorder-functions.
3089
3090 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
3091
3092         PR other/14402
3093         * doc/invoke.texi: Don't mention gccbug.
3094
3095 2005-02-06  Roger Sayle  <roger@eyesopen.com>
3096             Andrew Pinski  <pinskia@physics.uc.edu>
3097             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
3098
3099         * simplify-rtx.c (simplify_relational_operation_1): Simplify
3100         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
3101         into just (zero_extract:SI FOO (const_int 1) BAR).
3102
3103 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
3104
3105         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
3106         macro locally.  Don't give last revision date.  Use GCC version
3107         number from gcc-common.texi.
3108         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
3109         revision date.  Use GCC version number from gcc-common.texi.
3110         Describe being a library as current state rather than as 3.x
3111         history.
3112         * doc/gcc.texi: Remove last update date.
3113         * doc/gccint.texi: Likewise.  Update copyright dates.
3114         * doc/install.texi: Update copyright dates.
3115
3116 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
3117
3118         PR other/7549
3119         * doc/invoke.texi: Mention for each option included in -Wall that
3120         it is included in -Wall.
3121         * doc/gcc.texi: Update copyright and last modification date.
3122
3123 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
3124
3125         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
3126         unnecessary cast to original induction variable increments.
3127
3128 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
3129
3130         PR tree-optimization/18219
3131         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
3132         in distributed form.
3133
3134 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
3135
3136         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
3137         Set bitpos and offset later in the function.  Do nothing if the
3138         target is a register and if the bitfield lies completely outside
3139         that register.
3140         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
3141         here.  Return an uninitialised register if the source value is stored
3142         in a register and the bitfield lies completely outside that register.
3143
3144 2005-02-06  Steven Bosscher  <stevenb@suse.de>
3145
3146         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
3147         not SET_DEST.
3148
3149 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
3150
3151         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
3152
3153 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
3154
3155         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
3156         * config/darwin8.h: New.
3157         * config/darwin7.h: Update comment.
3158
3159 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
3160             Dorit Naishlos  <dorit@il.ibm.com>
3161
3162         * tree-vectorizer.h (LOC): New type.
3163         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
3164         (loop_line_number): New field in struct _loop_vec_info.
3165         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
3166
3167         * tree-vectorizer.c (input.h): Included.
3168         (find_loop_location): New function.
3169         (vect_debug_stats): Argument changed from loop to LOC. Computation of
3170         loop line number removed.
3171         (vect_debug_details): Likewise.
3172         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
3173
3174         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
3175         call to vect_debug_details/stats changed from loop to loop_loc.
3176         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
3177         (slpeel_tree_peel_loop_to_edge): Likewise.
3178
3179         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
3180         changed from NULL to UNKNOWN_LOC.
3181         (vect_get_base_and_offset):
3182         (vect_create_addr_base_for_vector_ref):
3183         (get_vectype_for_scalar_type):
3184         (vect_create_data_ref_ptr):
3185         (vect_init_vector):
3186         (vect_get_vec_def_for_operand):
3187         (vect_finish_stmt_generation):
3188         (vectorizable_assignment):
3189         (vectorizable_operation):
3190         (vectorizable_store):
3191         (vectorizable_load):
3192         (vect_transform_stmt):
3193         (vect_update_ivs_after_vectorizer):
3194         (vect_do_peeling_for_loop_bound):
3195         (vect_do_peeling_for_alignment):
3196         (vect_transform_loop):
3197         (vect_is_simple_use):
3198         (vect_analyze_operations):
3199         (vect_is_simple_iv_evolution):
3200         (vect_analyze_scalar_cycles):
3201         (vect_analyze_data_ref_dependences):
3202         (vect_compute_data_ref_alignment):
3203         (vect_enhance_data_refs_alignment):
3204         (vect_analyze_data_ref_access):
3205         (vect_analyze_data_ref_accesses):
3206         (vect_analyze_pointer_ref_access):
3207         (vect_get_memtag_and_dr):
3208         (vect_analyze_data_refs):
3209         (vect_mark_relevant):
3210         (vect_stmt_relevant_p):
3211         (vect_mark_stmts_to_be_vectorized):
3212         (vect_can_advance_ivs_p):
3213         (vect_get_loop_niters):
3214         (vect_analyze_loop):
3215         (vectorize_loops): Likewise.
3216
3217         (vectorizable_load): Argument in call to vect_debug_details/stats
3218         changed from loop to LOOP_LOC (loop_vinfo).
3219         (vect_transform_loop):
3220         (vect_analyze_operations):
3221         (vect_analyze_scalar_cycles):
3222         (vect_analyze_data_ref_dependence):
3223         (vect_enhance_data_refs_alignment):
3224         (vect_analyze_data_ref_accesses):
3225         (vect_analyze_pointer_ref_access):
3226         (vect_analyze_data_refs):
3227         (vect_analyze_loop): Likewise.
3228
3229         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
3230         changed from loop to loop_loc.
3231
3232         (vect_enhance_data_refs_alignment): Removed unused variable loop.
3233
3234 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
3235             Dorit Naishlos  <dorit@il.ibm.com>
3236
3237         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
3238         declaration added.
3239         (vect_analyze_data_ref_dependences): Likewise.
3240
3241         (vect_is_simple_use): Argument changed from loop structure to
3242         loop_vect_info structure.
3243         (vect_can_advance_ivs_p): Likewise.
3244         (vect_create_index_for_vector_ref): Likewise.
3245         (vect_update_ivs_after_vectorizer): Likewise.
3246         (new_stmt_vec_info): Likewise.
3247
3248         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
3249         changed from loop to loop_vinfo.
3250         (vect_create_data_ref_ptr): First argument in call to
3251         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
3252         (vectorizable_assignment): Second argument in call to vect_is_simple_use
3253         was changed from loop to loop_vinfo.
3254         (vectorizable_operation): Likewise.
3255         (vectorizable_store): Likewise.
3256         (vect_mark_stmts_to_be_vectorized): Likewise.
3257         (vect_do_peeling_for_loop_bound): First argument in call to
3258         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
3259         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
3260         was changed from loop to loop_vinfo.
3261         (vect_analyze_data_ref_dependences): Third argument in call to
3262         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
3263
3264         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
3265         (vect_create_data_ref_ptr): Likewise.
3266         (vect_init_vector): Likewise.
3267         (vect_get_vec_def_for_operand): Likewise.
3268         (vectorizable_assignment): Likewise.
3269         (vectorizable_operation): Likewise.
3270         (vectorizable_store): Likewise.
3271         (vectorizable_load): Likewise.
3272         (vect_update_ivs_after_vectorizer): Likewise.
3273         (vect_is_simple_use): Likewise.
3274         (vect_analyze_data_ref_dependence): Likewise.
3275         (vect_analyze_pointer_ref_access): Likewise.
3276         (vect_can_advance_ivs_p): Likewise.
3277
3278         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
3279         before _stmt_vec_info.
3280         (_stmt_vec_info): Loop field replaced by loop_vec_info.
3281         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
3282         (new_stmt_vec_info): Argument changed from loop structure to
3283         loop_vect_info structure
3284
3285         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
3286         (vect_analyze_offset_expr): Avoid 80 columns overflow.
3287         (vect_create_addr_base_for_vector_ref): Likewise.
3288         (vect_analyze_pointer_ref_access): Likewise.
3289
3290 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
3291
3292         PR tree-opt/19768
3293         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
3294         phi flag if the phi is abnormal.
3295
3296 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
3297
3298         PR tree-opt/19736
3299         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
3300         information for the new statement.
3301
3302 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
3303
3304         PR driver/19117
3305         * gcc.c (main): Include the target in -v output.
3306
3307 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
3308
3309         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
3310         Do not drop the extend if we'd have to add a paradoxical subreg
3311         later.  Include optabs.h and insn-codes.h.
3312         * Makefile.in (combine.o): Depend on $(OPTABS_H).
3313
3314 2005-02-02  Roger Sayle  <roger@eyesopen.com>
3315
3316         PR middle-end/19405
3317         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
3318         * fold-const.c (const_binop): Avoid constant folding floating
3319         point operations in modes that use composite representations.
3320         * simplify-rtx.c (simplify_binary_operation): Likewise.
3321
3322 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
3323
3324         * config/rs6000/altivec.md (altivec_dst): Make the first operand
3325         a REG, not a MEM.
3326         (altivec_dstt): Likewise.
3327         (altivec_dstst): Likewise.
3328         (altivec_dststt): Likewise.
3329         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
3330         of first operand.
3331
3332 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
3333
3334         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
3335         EXPR_LOCUS from orig_cond to the new cond_stmt.
3336         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
3337         the new vec_stmt.
3338
3339 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
3340
3341         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
3342         standard_iv_increment_position. Remove call to bsi_next
3343         (no need to bump the iterator anymore).
3344         (vect_create_index_for_vector_ref): Call
3345         standard_iv_increment_position. Remove second function argument.
3346         (vect_finish_stmt_generation): Remove call to bsi_next
3347         (no need to bump the iterator anymore).
3348         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
3349         to vect_create_index_for_vector_ref.
3350
3351 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
3352
3353         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
3354         phis are used out of the loop.
3355
3356 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
3357
3358         PR c/17807
3359         * c-decl.c (undef_nested_function): New variable.
3360         (pop_scope): Diagnose undefined nested functions.
3361         (finish_function): Don't attempt cgraph processing or genericizing
3362         if current top-level function contained an undefined nested
3363         function.  Reset undef_nested_function at the end of a top-level
3364         function.
3365
3366 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
3367
3368         * tree.c (build_int_cst_type): Take sign of the value into account
3369         when deciding whether sign extend the value.
3370
3371 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
3372
3373         PR c/18502
3374         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
3375         (cpp_options, cc1_options): Change %{std*&ansi} to
3376         %{std*&ansi&trigraphs}.
3377
3378 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
3379
3380         * cse.c: Update comments.
3381
3382 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
3383
3384         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
3385         arguments go on the stack.  Do not put complex doubles in odd/even
3386         pairs.
3387
3388 2005-02-02  Steven Bosscher  <stevenb@suse.de>
3389
3390         * doc/invoke.texi: Update the options enabled at -O1, -O2,
3391         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
3392         -ftree-pre, and -fthread-jumps.
3393
3394 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
3395
3396         PR tree-optimization/19578
3397         * tree-flow.h (modified_noreturn_calls): Declare.
3398         (noreturn_call_p): Declare.
3399         * tree-flow-inline.h (noreturn_call_p): New function.
3400         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
3401         * tree-cfg.c (modified_noreturn_calls): New variable.
3402         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
3403         that contain a mid-block noreturn call.
3404         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
3405
3406 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
3407
3408         * df.c (df_def_record_1, df_uses_record): Don't use
3409         DF_FOR_REGALLOC.
3410         * df.h (DF_FOR_REGALLOC): Remove.
3411
3412 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
3413
3414         PR c/19435
3415         * c-typeck.c (really_start_incremental_init): Reset
3416         constructor_max_index for arrays of incomplete type.
3417
3418 2005-02-02  Jeff Law  <law@redhat.com>
3419
3420         * gcse.c (struct reg_set): Store the block index where the register
3421         was set rather than the setting insn.
3422         (record_one_set, compute_transp): Corresponding changes.
3423         (pre_insert_copy_insn): Do not call replace_one_set.
3424         (replace_one_set): Remove.
3425
3426 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
3427
3428         PR other/15514
3429         * doc/gcov.texi: Fix typo.
3430
3431 2005-02-01  Richard Henderson  <rth@redhat.com
3432
3433         PR target/19680
3434         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
3435         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
3436         type to bool.
3437         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
3438         * config/i386/i386-protos.h: Update.
3439
3440 2005-02-01  Steven Bosscher  <stevenb@suse.de>
3441
3442         PR tree-optimization/19217
3443         * tree-cfg.c (verify_expr): Use the data field to see if TP was
3444         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
3445         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
3446         that it is walking a PHI node.
3447
3448 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
3449
3450         * doc/extend.texi (Nested Functions): Update.
3451
3452 2005-02-01  Richard Henderson  <rth@redhat.com>
3453
3454         PR 19696
3455         * optabs.c (expand_copysign_absneg): Export.
3456         * optabs.h (expand_copysign_absneg): Declare.
3457         * config/rs6000/rs6000.md (copysigntf3): New.
3458
3459 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
3460
3461         PR tree-optimization/19633
3462         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
3463         * tree-ssa-alias.c (init_alias_info): Initialize.
3464         (merge_pointed_to_info): Set.
3465         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
3466         (dump_points_to_info_for): Show value of pt_null.
3467         (struct count_ptr_d): Declare.
3468         (find_ptr_dereference): Remove.
3469         (ptr_is_dereferenced_by): Remove.
3470         (count_ptr_derefs): New local function.
3471         (count_uses_and_derefs): New local function.
3472         (compute_points_to_and_addr_escape): Call it.  If the number
3473         of dereferences is greater than zero, mark the pointer as
3474         dereferenced.  If there are fewer dereferences than uses of
3475         the pointer, the pointer's value escapes.
3476
3477 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
3478
3479         PR tree-optimization/19670
3480         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
3481         here...
3482         (verify_use): ... set it here, instead.
3483
3484 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
3485
3486         * doc/sourcebuild.texi (Test directives): Fix formatting.
3487
3488         * doc/sourcebuild.texi (Test directives): Describe selector
3489         expressions.
3490
3491 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
3492
3493         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
3494         specific 64-bit CPUs.
3495
3496 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
3497
3498         PR target/16201
3499         * arm.c (arm_eliminable_register): New function.
3500         (adjacent_mem_locations): Don't allow eliminable registers.  Use
3501         HOST_WIDE_INT for address offsets.
3502         * arm-protos.h (arm_eliminable_register): Add prototype.
3503
3504 2005-02-01  Steven Bosscher  <stevenb@suse.de>
3505
3506         PR optimization/15242
3507         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
3508         * basic-block.h (duplicate_computed_gotos): Add prototype.
3509         * bb-reorder.c (duplicate_computed_gotos): New function to
3510         duplicate sufficiently small blocks ending in a computed jump.
3511         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
3512         if not optimizing for size.
3513         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
3514         never do tail merging for blocks ending in a computed jump.
3515         * doc/invoke.texi: Document the max-goto-duplication-insns param.
3516
3517 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
3518
3519         Patch from Richard Sandiford <rsandifo@redhat.com>
3520         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
3521         from inheriting a subreg equivalence with a non-spill register.
3522
3523         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
3524
3525 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
3526
3527         * config/frv/frv.c (movcc_fp_destination_operand): New.
3528         (gpr_or_memory_operand): Fix typo in comment.
3529         (gpr_or_memory_operand_with_scratch): New.
3530         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
3531         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
3532         movcc_fp_destination_operand.
3533         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
3534         Legitimize memory addresses using a scratch register.
3535
3536 2005-01-31  Jeff Law  <law@redhat.com>
3537
3538         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
3539         bitmap a sparse bitmap instead of a simple bitmap.
3540         (mark_def_sites_initialize_block):  Corresponding changes.
3541         (ssa_mark_def_sites_initialize_block): Likewise.
3542         (ssa_mark_phi_uses): Likewise.
3543         (mark_def_site, ssa_mark_def_sites): Likewise.
3544         (mark_def_site_blocks): Likewise.
3545         (rewrite_ssa_into_ssa): Likewise.
3546
3547         * tree-ssa-dom.c (record_cond): Pass correct variable type
3548         for last argument to htab_find_slot_with_hash.
3549
3550         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
3551         effects when optimizing 0 % X.  Do not try to optimize X % 0.
3552
3553 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
3554
3555         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
3556         1_mmalua.
3557
3558 2005-02-01  Eric Christopher  <echristo@redhat.com>
3559
3560         * config/mips/mips.c (override_options): Warn if -mint64
3561         is used.
3562         * doc/invoke.texi (MIPS Options): Document that -mint64 is
3563         deprecated.
3564
3565 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
3566
3567         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
3568         timestamp.
3569         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
3570         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
3571         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
3572         (cached_regno): Initialize to INVALID_REGNUM.
3573         (cse_reg_info_table_size,
3574         cse_reg_info_table_first_uninitialized,
3575         cse_reg_info_timestamp): New.
3576         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
3577         get_cse_reg_info.
3578         (init_cse_reg_info, get_cse_reg_info_1): New.
3579         (get_cse_reg_info): Cache the last look-up.
3580         (new_basic_block): Update the code to clear mappings from
3581         registers to cse_reg_info entries.
3582         (cse_main): Call init_cse_reg_info.
3583
3584         * cse.c (get_cse_reg_info): Update a comment.
3585
3586 2005-01-31  Steven Bosscher  <stevenb@suse.de>
3587
3588         PR c/19333
3589         * c-decl.c (start_decl): Do not warn about arrays of elements with
3590         an incomplete type here.
3591         (grokdeclarator): Do it here by making a pedwarn an error.
3592         * c-typeck.c (push_init_level): If there were previous errors with
3593         the constructor type, do not warn about braces for initializers.
3594         (process_init_element): Likewise for excess initializer elements.
3595
3596 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
3597
3598         * cse.c (delete_trivially_dead_insn): Don't iterate.
3599
3600 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
3601
3602         * config/rs6000/rs6000.md (copysignsf3): New expand.
3603         (copysigndf3): Likewise.
3604
3605 2005-01-31  Steven Bosscher  <stevenb@suse.de>
3606
3607         * recog.c (constrain_operands): Only look for earlyclobber operand
3608         conflicts if an '&' constraint was seen.
3609
3610 2005-01-31  Marc Espie <espie@openbsd.org>
3611
3612         * config.gcc: Don't include embedded systems fragment, switches default
3613         debugging format to ELF.
3614         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
3615         longer pick it up there.
3616
3617 2005-01-31  Dale Johannesen  <dalej@apple.com>
3618
3619         * doc/extend.texi (nested functions): Fix linkage description.
3620         Clarify that static is not allowed.
3621
3622 2005-01-31  Dale Johannesen  <dalej@apple.com>
3623
3624         * config/rs6000/darwin.md (movsf_low_di):  Make work.
3625         (movdf_low_di):  Make work.
3626
3627 2005-01-31  Dale Johannesen  <dalej@apple.com>
3628
3629         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
3630         Make work for 64 bit.
3631
3632 2005-01-31  Roger Sayle  <roger@eyesopen.com>
3633             Dale Johannesen  <dalej@apple.com>
3634
3635         PR middle-end/19650
3636         * fold-const.c (fold_binary_op_with_conditional_arg):
3637         Make types match original operands, before STRIP_NOPS.
3638
3639 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
3640
3641         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
3642         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
3643         (struct gcc_sigcontext): Delete.  Merge contents to..
3644         (struct gcc_ucontext): ..here.
3645         (get_sigcontext): Delete.
3646         (get_regs): New function, like get_sigcontext but return regs ptr.
3647         64-bit version finds regs from r1 to support vdso.
3648         (ppc_linux_aux_vector): New function.
3649         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
3650         and vector regs.
3651
3652 2005-01-31  Ira Rosen  <irar@il.ibm.com>
3653
3654         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
3655         sizetype.
3656         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
3657         redundant fold. Fix misalignment for MINUS_EXPR.
3658         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
3659         (vect_analyze_pointer_ref_access): Likewise.
3660         (vect_get_memtag_and_dr): Likewise.
3661
3662 2005-01-31  Richard Henderson  <rth@redhat.com>
3663
3664         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
3665         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
3666         absnegdf2_i387, absnegxf2_i387): Likewise.
3667
3668 2005-01-31  Richard Henderson  <rth@redhat.com>
3669
3670         PR 19696
3671         * optabs.c (expand_copysign_absneg): New.
3672         (expand_copysign_bit): Split out from ...
3673         (expand_copysign): ... here.  Use expand_copysign_absneg.
3674
3675 2005-01-30  Roger Sayle  <roger@eyesopen.com>
3676
3677         PR middle-end/19697
3678         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
3679         constant as the second operand and a register as the third.
3680
3681 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
3682
3683         PR target/19704
3684         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
3685         that dllimport'd functions do not use all call-clobbered registers
3686         to pass parameters.
3687
3688 2005-01-30  Richard Henderson  <rth@redhat.com>
3689
3690         PR 19696
3691         * optabs.c (expand_absneg_bit): Split out from expand_unop and
3692         expand_abs_nojump and generalize.  Use operand_subword and
3693         emit_no_conflict_block.  Support large modes.
3694         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
3695         back to maximum.
3696         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
3697         negation to subtraction.
3698         (expand_copysign): Check that the format has signed zeros.
3699         Use operand_subword and emit_no_conflict_block.  Support large modes.
3700
3701 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
3702
3703         Fix PR tree-optimization/19624
3704
3705         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
3706         * tree-ssa-pre.c: Add cfgloop.h.
3707         Update comment.
3708         (pre_stats): New member, constified.
3709         (inserted_exprs): New static variable.
3710         (NECESSARY): New macro.
3711         (create_expression_by_pieces): Fold the expression, and
3712         mark it as defaulting to not necessary. Also put in
3713         inserted_exprs.
3714         (fully_constant_expression): New function.
3715         (insert_into_preds_of_block): Modify to not insert phis when we
3716         are playing with induction variables.
3717         Push phis onto the inserted_exprs vector, and mark them as not
3718         necessary by default.
3719         (insert_aux): Call fully_constant_expression on eprime.
3720         If all edges produce the same value, mark it constant.
3721         (mark_operand_necessary): New function.
3722         (remove_dead_inserted_code): New function.
3723         (init_pre): Init loop optimizer to get loop info.
3724         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
3725         (execute_pre): Commit edge inserts, then remove dead code.
3726
3727 2005-01-30  Richard Henderson  <rth@redhat.com>
3728
3729         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
3730         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
3731
3732 2005-01-30  Richard Henderson  <rth@redhat.com>
3733
3734         PR target/19700
3735         * config/i386/i386.c (ix86_expand_copysign): New.
3736         (ix86_split_copysign_const): New.
3737         (ix86_split_copysign_var): Rename from ix86_split_copysign,
3738         rearrange op1/nmask operands.
3739         * config/i386/i386-protos.h: Update.
3740         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
3741         (copysigndf3): Likewise.
3742         (copysignsf3_const, copysigndf3_const): New.
3743         (copysignsf3_var): Rename from copysignsf3, split out splitter
3744         and fix split predicate for X constraint.
3745         (copysigndf3_var): Similarly.
3746
3747 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
3748
3749         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
3750         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
3751         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
3752
3753 2005-01-29  Richard Henderson  <rth@redhat.com>
3754
3755         PR target/19690
3756         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
3757         of # and * in constraints.
3758
3759 2005-01-29  Richard Henderson  <rth@redhat.com>
3760
3761         PR middle-end/19689
3762         * expr.c (store_field): Don't strip sub-mode cast when the input
3763         data is even smaller.
3764
3765 2005-01-29  Richard Henderson  <rth@redhat.com>
3766
3767         PR middle-end/19687
3768         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
3769         union being empty.
3770
3771 2005-01-29  Richard Henderson  <rth@redhat.com>
3772
3773         * combine.c (make_field_assignment): Fix argument order
3774         to gen_int_mode.
3775
3776 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
3777
3778         PR tree-optimization/15791
3779         * fold-const.c (extract_array_ref): New function.
3780         (fold): Fold comparisons between &a[i] and &a[j] or
3781         semantically equivalent trees.
3782
3783 2005-01-29  Jeff Law  <law@redhat.com>
3784
3785         * gcse.c (insert_expr_in_table): Revamp handling of available
3786         and anticipatable occurrence lists to avoid unnecessary list
3787         walking.
3788         (insert_set_in_table): Similarly.
3789
3790 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
3791
3792         * c-common.c (fix_string_type): Just use c_build_qualified_type to
3793         build string type.
3794         (c_build_qualified_type): Build qualified array types with
3795         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
3796         * c-decl.c (c_make_fname_decl): Build unqualified array type
3797         before qualified type.
3798         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
3799         type is qualified, not just if type itself is.  Don't apply
3800         qualifiers to array type when declarator is processed.  Apply
3801         qualifiers to field type whether or not it is an array type.
3802         Don't handle array types specially for applying qualifiers to
3803         variables.
3804         * c-typeck.c (composite_type): Build unqualified element type and
3805         array type when forming composite of array types.
3806         (common_pointer_type, comptypes, comp_target_types,
3807         type_lists_compatible_p, build_indirect_ref, build_array_ref,
3808         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
3809         types.
3810         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
3811         (args2) in variables a1 and a2.
3812
3813 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
3814
3815         * cse.c (n_elements_made, max_elements_made): Remove.
3816         (insert): Don't touch n_elements_made.
3817         (cse_main): Don't touch n_elements_made or max_elements_made.
3818
3819 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
3820
3821         PR target/15384
3822         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
3823         configuration part of dp-bit.c to be lost.
3824
3825 2005-01-28  Roger Sayle  <roger@eyesopen.com>
3826
3827         * expmed.c (expand_mult_highpart_optab): When attempting to use
3828         a non-widening multiplication in a wider mode, the operands need
3829         to be converted (zero or sign extended) to that mode.
3830
3831 2005-01-28  Ian Lance Taylor  <ian@airs.com>
3832
3833         PR middle-end/16558
3834         PR middle-end/19583
3835         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
3836         through if both operands fall through.
3837
3838 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
3839
3840         * cse.c (fold_rtx) <PC>: Don't optimize.
3841
3842 2005-01-28  Jeff Law  <law@redhat.com>
3843
3844         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
3845         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
3846
3847 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
3848
3849         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
3850         cse_reg_info_used_list_end): Remove.
3851         (cse_reg_info_list, cse_reg_info_list_free): New.
3852         (get_cse_reg_info): When allocating an instance of
3853         cse_reg_info, add it to the beginning of the cse_reg_info_list
3854         list.  Remove code to maintain cse_reg_info_used_list.
3855         (new_basic_block): Reset the free list to the beginning of
3856         cse_reg_info_list.
3857
3858 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
3859
3860         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
3861         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
3862         (frv_expand_mdpackh_builtin): New function.
3863         (frv_expand_builtin): Use it to expand __MDPACKH.
3864         * doc/extend.texi (__MDPACKH): Update documentation.
3865
3866 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
3867
3868         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
3869         SSE_FLOAT_MODE_P for use_sse computation.
3870
3871 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
3872
3873         PR target/19663
3874         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
3875
3876 2005-01-27  Richard Henderson  <rth@redhat.com>
3877
3878         * builtins.c (expand_builtin_copysign): New.
3879         (expand_builtin): Call it.
3880         * genopinit.c (optabs): Add copysign_optab.
3881         * optabs.c (init_optabs): Initialize it.
3882         (expand_copysign): New.
3883         * optabs.h (OTI_copysign, copysign_optab): New.
3884         (expand_copysign): Declare.
3885
3886         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
3887         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
3888
3889         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
3890         (ix86_expand_fp_absneg_operator): ... here.
3891         (ix86_split_copysign): New.
3892         * config/i386/i386-protos.h: Update.
3893         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
3894         (copysignsf3, copysigndf3): New.
3895
3896         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
3897         (copysignsf3, ncopysignsf3): New.
3898         (copysigndf3, ncopysigndf3): New.
3899         (copysignxf3, ncopysignxf3): New.
3900         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
3901
3902 2005-01-27  Arend Bayer  <arend.bayer@web.de>
3903             Kazu Hirata  <kazu@cs.umass.edu>
3904
3905         * cse.c: (find_best_addr): Don't call copy_rtx before calling
3906         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
3907         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
3908         NULL_RTX.
3909
3910 2005-01-27  Jeff Law  <law@redhat.com>
3911
3912         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
3913         definitions of SSA_NAMEs which are not being rewritten.
3914         (rewrite_ssa_into_ssa): Only initialize the current definition
3915         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
3916         If checking is enabled, assert that SSA_NAME_AUX is clear for all
3917         SSA_NAMEs before returning.
3918
3919 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
3920
3921         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
3922         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
3923         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
3924         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
3925         config/mips/iris6.h, config/sh/sh.c: Update copyright.
3926
3927 2005-01-27  Steven Bosscher  <stevenb@suse.de>
3928
3929         PR middle-end/17278
3930         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
3931         higher to -O2 and higher.  Likewise for tree PRE.
3932         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
3933         and better.
3934
3935 2005-01-27  Ian Lance Taylor  <ian@airs.com>
3936
3937         PR middle-end/19583
3938         * gimple-low.c (try_catch_may_fallthru): New static function.
3939         (block_may_fallthru): Handle TRY_CATCH_EXPR.
3940         * tree-inline.c (expand_call_inline): Don't warn about reaching
3941         the end of a non-void function being inlined if the function uses
3942         a return slot.
3943
3944 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
3945
3946         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
3947
3948         PR c/18946
3949         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
3950         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
3951         (implicitly_declare): Handle error_mark_node.
3952
3953 2005-01-27  Richard Henderson  <rth@redhat.com>
3954
3955         PR tree-opt/14329
3956         * tree.h (struct tree_decl): Add debug_expr_is_from.
3957         (DECL_DEBUG_EXPR_IS_FROM): New.
3958         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
3959         * dwarf2out.c (dwarf2out_var_location): Update to match.
3960         * tree-outof-ssa.c (create_temp): Likewise.
3961         * var-tracking.c (track_expr_p): Likewise.
3962         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
3963         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
3964         * toplev.c (default_tree_printer): Likewise.
3965
3966 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
3967
3968         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
3969         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
3970
3971 2005-01-27  Steven Bosscher  <stevenb@suse.de>
3972
3973         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
3974         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
3975         ASM_CLOBBERS): Add tree checks.
3976
3977         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
3978         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
3979         * c-common.def (SWITCH_STMT): Update to match.
3980         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
3981         macros instead of SWITCH_EXPR ones.
3982         * c-dump.c (c_dump_tree): Likewise.
3983         * c-gimplify.c (gimplify_switch_stmt): Likewise.
3984         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
3985
3986         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
3987
3988 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
3989
3990         * unwind-dw2.c (execute_stack_op): Add missing cases for
3991         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
3992
3993 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
3994
3995         * config.gcc (Obsolete configurations): Remove 'dummy', add
3996         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
3997         sparc-*-openbsd*.
3998
3999 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
4000
4001         PR tree-optimization/19633
4002         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
4003         CALL_EXPRs.
4004         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
4005         are no call-clobbered variables.
4006         * tree-outof-ssa.c (check_replaceable): Return false for calls
4007         with side-effects.
4008
4009 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
4010
4011         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
4012         even for variables with NULL DECL_INITIAL.
4013
4014 2005-01-26  Stuart Hastings  <stuart@apple.com>
4015
4016         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
4017
4018 2005-01-26  Richard Henderson  <rth@redhat.com>
4019
4020         PR middle-end/18008
4021         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
4022         field's type.
4023         * expr.c (store_field): Strip conversions to odd-bit-sized types
4024         if the destination field width matches.
4025
4026 2005-01-26  Richard Henderson  <rth@redhat.com>
4027
4028         * c-decl.c, expmed.c, expr.c: Revert last change.
4029
4030 2005-01-26  Richard Henderson  <rth@redhat.com>
4031
4032         PR middle-end/18008
4033         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
4034         field's type.
4035         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
4036         if we don't need the bits above those present in the current mode.
4037         * expr.c (store_field): Strip conversions to odd-bit-sized types
4038         if the destination field width matches.
4039
4040 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
4041
4042         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
4043         either -ffast-math or -funsafe-math-optimizations is in use.
4044
4045 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
4046
4047         PR target/19293
4048         PR target/19329
4049         * config/avr/avr.c (notice_update_cc): Only set condition code for
4050         ashrqi3 if shift count > 0.
4051         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
4052         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
4053         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
4054         count <= 0 as a no-op, and shift count >= width by copying zero
4055         or sign bit to all bits of the result.
4056         * config/avr/avr.md (all shifts): Add alternatives for zero shift
4057         count, with attribute "length" set to 0 and "cc" set to "none".
4058
4059 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
4060
4061         * doc/invoke.texi: Document -mTLS.
4062
4063         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
4064         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
4065         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
4066         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
4067         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
4068         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
4069         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
4070         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
4071
4072         * configure.ac: Check for a TLS capable gas.
4073
4074         * configure: Regenerate.
4075
4076 2005-01-26  Richard Henderson  <rth@redhat.com>
4077
4078         PR middle-end/18008
4079         * combine.c (make_field_assignment): Simplify store to zero_extract
4080         from a source with an overlapping mask.
4081
4082 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
4083
4084         2004-11-11  Eric Christopher  <echristo@redhat.com>
4085
4086         * config/frv/frv.md: Add fr400_integer automaton. Don't
4087         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
4088         to TYPE_MACC.
4089
4090 2005-01-26  Steven Bosscher  <stevenb@suse.de>
4091
4092         PR middle-end/16585
4093         * cfgbuild.c (make_edges): Do not clear or set
4094         current_function_has_computed_jump.
4095         * function.h (struct function): Remove the has_computed_jump field.
4096         (current_function_has_computed_jump): Do not define.
4097         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
4098         in a computed jump.  Ignore current_function_has_computed_jump.
4099
4100 2005-01-26  Richard Henderson  <rth@redhat.com>
4101
4102         PR middle-end/19515
4103         * expr.c (categorize_ctor_elements): New argument p_must_clear.
4104         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
4105         fully initialized.
4106         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
4107         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
4108         objects into static storage if they have more than one non-zero value.
4109         * tree.h (categorize_ctor_elements): Update decl.
4110
4111 2005-01-26  Steven Bosscher  <stevenb@suse.de>
4112
4113         PR middle-end/19616
4114         * tree.h (CALL_EXPR_TAILCALL): Add comment.
4115         * calls.c (check_sibcall_argument_overlap_1): Revert the change
4116         to this function from 2004-07-10.
4117         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
4118         the current function for tail call optimizations if the address
4119         of one of it its arguments is taken.
4120
4121 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
4122
4123         * cse.c (fold_rtx): Call equiv_constant only when necessary.
4124
4125 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
4126
4127         * function.c (expand_function_end): If current_function_calls_alloca,
4128         emit stack restore in a place that is reached when the function falls
4129         through at the end.
4130
4131 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
4132
4133         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
4134         rule to avoid matching inappropriate suffix rule.
4135
4136 2005-01-26  Jan Hubicka  <jh@suse.cz>
4137
4138         PR tree-optimization/19241
4139         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
4140
4141 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
4142
4143         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
4144         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
4145         of doubling.
4146         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
4147         <sim*>: Always use crt1.o, regardless of N in simN.
4148         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
4149         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
4150         (CRT_CALL_STATIC_FUNCTION): Remove.
4151         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
4152         use crt1.o, regardless of N in simN.
4153         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
4154         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
4155         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
4156         case isystem setting.
4157         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
4158
4159 2005-01-25  Ian Lance Taylor  <ian@airs.com>
4160
4161         * gimple-low.c (block_may_fallthru): Correct handling of
4162         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
4163
4164 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
4165
4166         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
4167         handlers to match indentation; nested under the mtune=* handler.
4168         Similar for mcpu= and march=.
4169
4170 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
4171
4172         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
4173         * config/mips/linux64.h (LIB_SPEC): Likewise.
4174         * config/mn10300/linux.h (LIB_SPEC): Likewise.
4175         * config/sh/linux.h (LIB_SPEC): Likewise.
4176
4177 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
4178
4179         * config/frv/frv.c (frv_legitimize_tls_address): New.
4180         (TARGET_HAVE_TLS): Define.
4181         (FRV_SYMBOL_REF_TLS_P): Define.
4182         (frv_override_options): Handle new register classes.
4183         (frv_legitimate_address_p): Reject tls addresses.
4184         (frv_legitimize_address): Handle TLS addresses.
4185         (gen_inlined_tls_plt): New.
4186         (gen_tlsmoff): New.
4187         (frv_legitimize_tls_address): New.
4188         (unspec_got_name): Add TLS entries.
4189         (got12_operand): Add R_FRV_TLSMOFF12 case.
4190         (frv_emit_move): Fixup TLS addresses.
4191         (frv_emit_movsi): Legitimize TLS addresses.
4192
4193         * config/frv/frv.h (MASK_BIG_TLS): New.
4194         (TARGET_BIG_TLS): New.
4195         (HAVE_AS_TLS): Define.
4196         (TARGET_SWITCHES): Add -mTLS and -mtls options.
4197         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
4198         (REG_CLASS_NAMES): Same.
4199         (REG_CLASS_CONTENTS): Same.
4200         (CONSTRAINT_LEN): New.
4201         (REG_CLASS_FROM_CONSTRAINT): New.
4202         (PREDICATE_CODES): Add symbolic_operand.
4203
4204         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
4205         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
4206         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
4207         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
4208         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
4209         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
4210         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
4211         GR9_REG, GR14_REG, LRREG.
4212         (type): Add load_or_call attribute.
4213         ("load_or_call"): New reservation.
4214         ("call_gettlsoff"): New.
4215         ("tls_indirect_call"): New.
4216         ("tls_load_gottlsoff12"): New.
4217         ("tlsoff_hilo"): New.
4218         ("tls_tlsdesc_ldd"): New.
4219         ("tls_tlsoff_ld"): New.
4220         ("tls_lddi"): New.
4221
4222         * config/frv/frv-protos.h (symbolic_operand): Protoize.
4223
4224         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
4225
4226         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
4227         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
4228         * config/frv/frv.c (TLS_BIAS): Define.
4229         (frv_output_dwarf_dtprel): New.
4230
4231 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
4232
4233         PR rtl-optimization/19579
4234         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
4235         both A and B, see if they don't clobber registers the other expr uses.
4236
4237 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
4238
4239         * real.c (do_add): Initialize signalling and canonical members.
4240
4241         * real.c (real_from_integer): Zero out destination.
4242
4243 2005-01-18  Jan Hubicka  <jh@suse.cz>
4244
4245         PR tree-optimize/19337
4246         * tree-inline.c (initialize_inlined_parameters): Copy
4247         saved_static_chain_decl only.
4248
4249 2005-01-25  Richard Henderson  <rth@redhat.com>
4250
4251         PR target/19556
4252         PR target/19584
4253         * config/i386/i386.c (x86_inter_unit_moves): Zero.
4254         (ix86_preferred_reload_class): Rewrite fp-constant section, with
4255         80387 enabled, to return a proper subclass.  Return the subset that
4256         overlaps with GENERAL_REGS for PLUS.
4257         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
4258
4259 2005-01-25  Richard Henderson  <rth@redhat.com>
4260
4261         PR middle-end/19609
4262         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
4263
4264 2005-01-25  Roger Sayle  <roger@eyesopen.com>
4265
4266         * expmed.c (choose_multiplier): Change interface to return the
4267         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
4268         (expand_divmod): Update calls to choose_multiplier.
4269
4270 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4271
4272         PR middle-end/19330
4273         * expmed.c (extract_bit_field): Use adjust_address instead of
4274         gen_lowpart when op0 is a MEM.
4275
4276 2005-01-24  Steven Bosscher  <stevenb@suse.de>
4277
4278         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
4279
4280 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
4281
4282         * config/mips/irix-csr.c: New file.
4283         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
4284         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
4285         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
4286         executables.
4287
4288 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
4289
4290         PR bootstrap/19364
4291         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
4292         sparc/elf.h, add sparc/sp-elf.h.
4293         (sparc-*-rtems*): Likewise.
4294         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
4295         tm-dwarf2.h, add sparc/sp-elf.h.
4296         (sparc86x-*-elf): Likewise.
4297         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
4298         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
4299         TARGET_OS_CPP_BUILTINS.
4300         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
4301         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
4302         Undefine it.
4303         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
4304         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
4305         (SWITCH_TAKES_ARG): Likewise.
4306         (LOCAL_LABEL_PREFIX): Likewise.
4307         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
4308         (TARGET_N_FORMAT_TYPES): Delete.
4309         (TARGET_FORMAT_TYPES): Likewise.
4310         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
4311         * config/sparc/elf.h: Delete.
4312         * config/sparc/sp-elf.h: New file.
4313
4314 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
4315
4316         * tree-flow-inline.h (phi_arg_from_edge): Remove.
4317         * tree-flow.h: Remove the corresponding prototype.
4318         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
4319         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
4320
4321 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
4322
4323         PR target/17751
4324         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
4325         for AIX ABI or ELF -fPIC.
4326         (rs6000_emit_load_toc_table): Don't create toc_section here.
4327         (rs6000_xcoff_file_start): Nor here.
4328
4329 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
4330
4331         * sh.c (ra.h): Don't #include.
4332         (hard_regs_intersect_p): New function, resurrected from ra.c.
4333
4334         * sh.c: Fix 1996 Copyright.
4335
4336 2005-01-24  Richard Henderson  <rth@redhat.com>
4337             Aldy Hernandez  <aldyh@redhat.com>
4338
4339         * regrename.c (note_sets): Handle subregs.
4340
4341 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
4342
4343         PR bootstrap/18058
4344         * genconditions.c (write_header, write_conditions): Elide file if
4345         not GCC >= 3.0.1.
4346
4347 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
4348
4349         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
4350         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
4351         Update copyright.
4352
4353 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
4354
4355         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
4356         expand_builtin_printf, expand_builtin_fprintf,
4357         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
4358         checking against POINTER_TYPE.
4359         (validate_arglist): Handle POINTER_TYPE code by checking
4360         POINTER_TYPE_P.
4361
4362 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
4363
4364         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
4365         init_rtlanal): New.
4366         (for_each_rtx): Call for_each_rtx_1.
4367         * rtl.h (init_rtlanal): Declare.
4368         * toplev.c (backend_init): Call init_rtlanal.
4369
4370 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
4371
4372         * flow.c (propagate_one_insn): Formatting.
4373
4374         PR middle-end/19551
4375         * flow.c (libcall_dead_p): Be more conservative if unsure.
4376         If there are any instructions between insn and call, see if they are
4377         all dead before saying the libcall is dead.
4378
4379 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
4380
4381         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
4382         operand constraint for operand 0.
4383
4384 2005-01-23  Richard Henderson  <rth@redhat.com>
4385
4386         PR 19486
4387         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
4388         edges leading to join block.
4389
4390 2005-01-23  Roger Sayle  <roger@eyesopen.com>
4391
4392         * expmed.c (expand_mult_highpart): Make static.  Change type of
4393         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
4394         (expand_divmod): Updates calls to expand_mult_highpart by using
4395         gen_int_mode to pass a CONST_INT rtx.
4396         * rtl.h (expand_mult_highpart): Remove prototype.
4397
4398 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
4399
4400         * flow.c (regset_bytes, regset_size): Remove.
4401
4402         * cfganal.c: Fix a reference to Harvey's paper.
4403
4404 2005-01-23  Steven Bosscher  <stevenb@suse.de>
4405
4406         PR rtl-optimization/19464
4407         * tree-optimize.c (init_tree_optimization_passes): Add one more
4408         copyrename pass just before out-of-ssa.
4409
4410 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
4411
4412         PR bootstrap/18058
4413         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
4414         * ggc-none.c (ggc_free): Define.
4415
4416 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
4417
4418         * cse.c (max_reg, max_insn_uid): Remove.
4419         (cse_main): Don't access max_reg or max_insn_uid.
4420
4421         * c-common.c (explicit_flag_signed_bitfields,
4422         lang_statement_code_p, lang_expand_function_end): Remove.
4423         * c-common.h: Remove the corresponding declarations.
4424         * c-opts.c (c_common_handle_option): Remove all write access
4425         to explicit_flag_signed_bitfields.
4426
4427         * cgraph.c (cgraph_varpool_n_nodes): Remove.
4428         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
4429         * cgraph.h: Remove the corresponding declaration.
4430
4431         * gcse.c (null_pointer_info): Remove.
4432
4433 2005-01-23  Roger Sayle  <roger@eyesopen.com>
4434             Eric Botcazou  <ebotcazou@libertysurf.fr>
4435
4436         * combine.c (simplify_logical): Only simplify logical expressions
4437         of the form ior(and(x,y),z) by the inverse distributive law if the
4438         result is cheaper than the original.
4439
4440 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
4441
4442         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
4443         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
4444         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
4445         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
4446         config/freebsd-spec.h, config/arm/arm.h,
4447         config/h8300/h8300.md, config/i386/i386.md,
4448         config/i386/predicates.md, config/i386/sse.md,
4449         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
4450         config/vax/vax.md: Fix comment typos.  Follow spelling
4451         conventions.
4452
4453 2005-01-23  Steven Bosscher  <stevenb@suse.de>
4454
4455         * gengtype.c (walk_type): Produce `not equal to' compares for loop
4456         tests, instead of `less than'.
4457
4458 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
4459
4460         * function.c (assign_parm_setup_block): When creating a new stack slot
4461         for a parameter, get its alignment from the parameter's DECL_ALIGN
4462         rather than the type's TYPE_ALIGN.  Make sure that the parameter
4463         is at least word aligned.
4464
4465 2005-01-22  Roger Sayle  <roger@eyesopen.com>
4466
4467         PR middle-end/19378
4468         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
4469
4470 2005-01-22  Richard Henderson  <rth@redhat.com>
4471
4472         PR target/19506
4473         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
4474         in both compare operands.
4475         (movdfcc_1_sse_max): Likewise.
4476         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
4477         (movdfcc_1_sse): Likewise.
4478         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
4479         scratch register as needed.
4480
4481 2005-01-22  Richard Henderson  <rth@redhat.com>
4482
4483         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
4484
4485         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
4486
4487 2005-01-22  Richard Henderson  <rth@redhat.com>
4488
4489         * genopinit.c (optabs): Use smin/smax for floating point too.
4490         * doc/md.texi: Update to match.  Clarify that floating point
4491         results are undefined for +0/-0 and NaN.
4492         * doc/rtl.texi: Likewise.
4493         * rtl.def (SMIN, SMAX): Likewise
4494         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
4495
4496         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
4497         leading 's' to the name.
4498         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
4499         smaxxf3, sminxf3): Likewise.
4500         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
4501         Likewise.
4502
4503 2005-01-22  Paul Brook  <paul@codesourcery.com>
4504
4505         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
4506
4507 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
4508
4509         * config/s390/s390.c (struct processor_costs): New fields
4510         dlgr, dlr, dr, dsgfr, dsgr.
4511         (z900_cost, z990_cost): Values for new fields.
4512         (s390_rtx_costs): New cases MEM und COMPARE in switch
4513         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
4514         DIV, MOD, UDIV, UMOD.
4515
4516 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
4517
4518         * config/s390/s390.md ("doloop_si64"): Reload input value directly
4519         into the register being decremented.
4520         ("doloop_si31", "doloop_di"): Likewise.
4521         ("*doloop_si_long"): Adapt pattern.
4522
4523 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
4524
4525         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
4526         access registers.
4527         (CLASS_MAX_NREGS): Likewise.
4528
4529 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
4530
4531         * doc/tree-ssa.texi (Statement Operands): Add example for new
4532         must-def macro. Note deprecation of old operands interface.
4533
4534 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
4535
4536         PR tree-optimization/19484
4537         * tree-cfg.c (remove_fallthru_edge): New function.
4538         (cleanup_control_flow): Remove fallthru edges from calls that are
4539         now known not to return.
4540
4541 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
4542
4543         Fix PR tree-optimization/19038
4544         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
4545         copies with loop variant ones.
4546
4547 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
4548
4549         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
4550         config/alpha/alpha-protos.h, config/alpha/alpha.h,
4551         config/alpha/alpha.md, config/alpha/predicates.md,
4552         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
4553         config/sparc/sol2.h: Update copyright.
4554
4555         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
4556         first label to see if it is a nonlocal label.
4557
4558 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
4559             Andrew Pinski  <pinskia@physics.uc.edu>
4560
4561         PR target/19491
4562         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
4563         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
4564
4565 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
4566
4567         * config/rs6000/rtems.h: Update copyright.
4568
4569 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
4570
4571         PR target/19548
4572         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
4573         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
4574         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
4575
4576 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4577
4578         PR c/18809
4579         * c-typeck.c (convert_arguments): Check for error_mark_node.
4580
4581 2005-01-21  Ian Lance Taylor  <ian@airs.com>
4582
4583         PR tree-optimization/13000
4584         * tree-inline.c: Include "tree-flow.h".
4585         (expand_call_inline): If warn_return_type, warn if non-void inline
4586         function falls through.
4587         * tree-cfg.c (execute_warn_function_return): Don't warn about
4588         control reaching end if TREE_NO_WARNING is set.  Set
4589         TREE_NO_WARNING.
4590         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
4591         has been lowered.
4592         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
4593         branch if we don't need one.
4594         * c-typeck.c: Include "tree-flow.h"
4595         (c_finish_bc_stmt): Don't add a goto if the current statement
4596         list doesn't fall through to the current point.
4597
4598 2005-01-21  Roger Sayle  <roger@eyesopen.com>
4599
4600         PR rtl-optimization/576
4601         * real.c (real_arithmetic): Change return type from void to bool
4602         to return an indication that the result may be inexact.
4603         * real.h (real_arithmeric): Update prototype.
4604         * fold-const.c (const_binop):  Don't constant fold floating
4605         point expressions when the user specifies -frounding-math and
4606         the result may depend upon the run-time rounding mode.
4607         (fold_convert_const_real_from_real): Clean-up.
4608         (fold_initializer): Ignore flag_rounding_math for initializers.
4609         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
4610         constant fold FP operations with flag_rounding_math if the
4611         result may depend upon the run-time rounding mode.
4612
4613 2005-01-21  Tom Tromey  <tromey@redhat.com>
4614
4615         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
4616
4617 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
4618
4619         * tree-cfg.c: Fix comment typos.
4620
4621 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
4622
4623         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
4624         around the call to rest_of_handle_branch_target_load_optimize.
4625
4626 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
4627
4628         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
4629         (sparc64-*-openbsd*): Likewise.
4630         (sparclite-*-elf*): Include tm-dwarf2.h.
4631         (sparc86x-*-elf*): Likewise.
4632         (sparc64-*-elf*): Likewise.
4633         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
4634         (DBX_DEBUGGING_INFO): Likewise.
4635         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
4636         (PREFERRED_DEBUGGING_TYPE): Likewise.
4637         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
4638         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
4639         (PREFERRED_DEBUGGING_TYPE): Likewise.
4640         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
4641         (PREFERRED_DEBUGGING_TYPE): Likewise.
4642         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
4643
4644 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
4645
4646         PR target/18701
4647         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
4648
4649 2005-01-20  Paul Brook  <paul@codesourcery.com>
4650
4651         * doc/rtl.texi: Document value extension requirements for CONST_INT.
4652
4653 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
4654
4655         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
4656         label is first in a sequence of labels.
4657
4658         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
4659
4660 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
4661             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
4662
4663         * doc/sourcebuild.texi (Test Directives): New.
4664
4665 2005-01-20  Roger Sayle  <roger@eyesopen.com>
4666
4667         * real.c (real_floor): Don't leave the result uninitialized when
4668         mode is VOIDMode, but return the unrounded intermediate value.
4669         (real_ceil): Likewise.
4670
4671 2005-01-20  Paul Brook  <paul@codesourcery.com>
4672
4673         * config/arm/arm.md (insv): Use gen_int_mode.
4674
4675 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
4676
4677         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
4678         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
4679         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
4680         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
4681         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
4682
4683 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
4684
4685         Fix PR debug/19124
4686         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
4687         fbreg, so we have to assume we can't.
4688         (loc_descriptor_from_tree_1): Ditto.
4689         (containing_function_has_frame_base): New function.
4690         (add_location_or_const_value_attribute): Use it.
4691         Also try to generate a frame_base from a single element location
4692         list.
4693
4694 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
4695
4696         PR tree-optimization/15349
4697         * timevar.def (TV_TREE_MERGE_PHI): New.
4698         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
4699         PHI_WANTED.
4700         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
4701         calls to tree_forwarder_block_p.
4702         (remove_forwarder_block_with_phi, merge_phi_nodes,
4703         gate_merge_phi, pass_merge_phi): New.
4704         * tree-optimize.c (init_tree_optimization_passes): Add
4705         pass_merge_phi.
4706         * tree-pass.h: Add an extern for pass_merge_phi;
4707
4708 2005-01-20  Richard Henderson  <rth@redhat.com>
4709
4710         PR target/19418
4711         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
4712         (_mm_castps_pd, _mm_castps_si128): New.
4713         (_mm_castsi128_ps, _mm_castsi128_pd): New.
4714
4715 2005-01-20  Richard Henderson  <rth@redhat.com>
4716
4717         PR target/19530
4718         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
4719         __builtin_ia32_vec_init_v2si.
4720         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
4721         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
4722         (ix86_init_mmx_sse_builtins): Create it.
4723         (ix86_expand_builtin): Expand it.
4724         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
4725         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
4726         (vec_extractv2si_0, vec_extractv2si_1): New.
4727
4728 2005-01-20  Richard Henderson  <rth@redhat.com>
4729
4730         PR target/16533
4731         * config/i386/i386.c (ix86_expand_push): New.
4732         * config/i386/mmx.md (push<MMXMODE>1): New.
4733         * config/i386/sse.md (push<SSEMODE>1): New.
4734         * config/i386/i386-protos.h: Update.
4735
4736 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
4737
4738         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
4739         copyright.
4740
4741 2005-01-20  Richard Henderson  <rth@redhat.com>
4742
4743         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
4744         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
4745
4746 2005-01-19  Richard Henderson  <rth@redhat.com>
4747
4748         PR target/19350
4749         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
4750         to V4SFmode in SSE1 fallback load path.
4751
4752 2005-01-19  Richard Henderson  <rth@redhat.com>
4753
4754         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
4755         in QImode expansion to ix86_expand_vector_set.
4756         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
4757
4758 2005-01-19  Richard Henderson  <rth@redhat.com>
4759
4760         PR target/19511
4761         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
4762         subclass of the input class.
4763         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
4764         Always true for cross-SSE1 classes.  Rationalize conditionals.
4765         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
4766         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
4767         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
4768         (movdi_2): Add MMX/SSE zeros.
4769         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
4770         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
4771         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
4772         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
4773         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
4774         (zero_extendsidi2_rex64_1): Remove.
4775         (MOV0 peephole): Check GENERAL_REG_P.
4776
4777 2005-01-19  Richard Henderson  <rth@redhat.com>
4778
4779         PR target/19427
4780         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
4781         shufps elements.
4782         (ix86_expand_vector_extract): Likewise.
4783
4784 2005-01-19  Richard Henderson  <rth@redhat.com>
4785
4786         PR middle-end/19304
4787         * expr.c (emit_move_change_mode): New argument force; use
4788         simplify_gen_subreg if true.
4789         (emit_move_via_alt_mode): Merge into ...
4790         (emit_move_via_integer): ... here.
4791         (emit_move_ccmode): Use emit_move_change_mode directly.
4792
4793 2005-01-19  Richard Henderson  <rth@redhat.com>
4794
4795         PR target/19518
4796         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
4797         (alpha_preferred_reload_class): Handle CONST_VECTOR.
4798         (alpha_emit_set_const_1): Add no_output parameter; don't emit
4799         rtl if true.
4800         (alpha_emit_set_const): Likewise.  Make static.
4801         (alpha_emit_set_long_const): Make static.
4802         (alpha_extract_integer): Split out from alpha_expand_mov.
4803         (alpha_split_const_mov): Likewise.
4804         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
4805         (alpha_legitimate_constant_p): New.
4806         * config/alpha/alpha-protos.h: Update.
4807         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
4808         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
4809         * config/alpha/alpha.md (movsi): Add n alternative.
4810         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
4811         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
4812         (splitters for all of the above): Use alpha_split_const_mov.
4813         * config/alpha/predicates.md (non_add_const_operand): New.
4814         (non_zero_const_operand): New.
4815         (input_operand): Use alpha_legitimate_constant_p after reload.
4816
4817 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
4818
4819         PR tree-optimization/19038
4820         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
4821         (add_candidate): Add ivs with increment in latch only if
4822         allow_ip_end_pos_p is true.
4823         (determine_iv_cost): Use empty_block_p.
4824
4825 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
4826
4827         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
4828         (compute_dominance_frontiers): Ditto.
4829
4830 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
4831
4832         PR target/19529
4833         * config/sh/t-rtems: New.
4834         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
4835
4836 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
4837
4838         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
4839         the offset of the selected field.
4840
4841 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
4842
4843         * tree-cfg.c (remove_forwarder_block): Fix the check to
4844         prevent a nonlocal label from appearing in the middle of a
4845         basic block.
4846
4847 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
4848
4849         PR rtl-optimization/19462
4850         * reorg.c (find_end_label): Create return insn only if
4851         current_function_epilogue_delay_list is empty.
4852
4853 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
4854
4855         * doc/passes.texi: Remove paragraph mentioning new-ra.
4856
4857 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
4858
4859         PR rtl-optimization/15139
4860         * combine.c: Include params.h.
4861         (count_rtxs): New function.
4862         (record_value_for_reg): If replace_rtx would replace at least
4863         2 occurrences of REG in VALUE and TEM is really large, replace REG with
4864         (clobber (const_int 0)) instead of TEM.
4865         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
4866         * params.h (MAX_LAST_VALUE_RTL): New.
4867         * Makefile.in (combine.o): Depend on $(PARAMS_H).
4868         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
4869
4870         PR c/17297
4871         * c-typeck.c (digest_init): Only call build_vector if all constructor
4872         elements are *_CST nodes.
4873         * gimplify.c (gimplify_init_constructor): Likewise.
4874
4875         PR middle-end/19164
4876         * c-typeck.c (digest_init): Only call build_vector if inside_init
4877         is a CONSTRUCTOR.
4878
4879 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
4880
4881         * toplev.c (init_asm_output): Remove dead #ifdef.
4882
4883 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
4884
4885         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
4886
4887 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
4888
4889         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
4890         accessing DECL_FUNCTION_CODE.
4891         * dojump.c (do_jump): Likewise.
4892         * gimplify.c (gimplify_call_expr): Likewise.
4893         * predict.c (expr_expected_value): Likewise.
4894         (strip_builtin_expect): Likewise.
4895         * tree-inline.c (estimate_num_insns_1): Likewise.
4896         * tree-ssa-loop-im.c (stmt_cost): Likewise
4897         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
4898         (tree_expr_nonnegative_p): Likewise.
4899
4900 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
4901
4902         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
4903         variant of the load_pcrel_sym pattern.
4904         * config/sparc/sparc.md (P macro): Move to the top.
4905         (load_pcrel_sym): Macroize using P.
4906         (save_register_window): Likewise.
4907
4908 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
4909
4910         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
4911         ("sordered"): Same.
4912
4913 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
4914
4915         PR C/19472
4916         * c-typeck.c (build_asm_expr): Strip nops off
4917         input memory operands.
4918
4919 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
4920
4921         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
4922         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
4923         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
4924         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
4925
4926 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
4927
4928         PR target/19379
4929         * config/i386/i386.c (override_options): If the 80387 is disabled,
4930         then do not return FP values using FP registers.
4931
4932 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
4933
4934         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
4935         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
4936         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
4937         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
4938         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
4939         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
4940         output.h, postreload-gcse.c, postreload.c, recog.c,
4941         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
4942         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
4943         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
4944         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
4945         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
4946         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
4947         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
4948         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
4949
4950         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
4951         config/alpha/alpha.c, config/arm/vfp.md,
4952         config/i386/emmintrin.h, config/i386/i386-modes.def,
4953         config/i386/i386-protos.h, config/i386/i386.h,
4954         config/i386/pmmintrin.h, config/i386/ppro.md,
4955         config/i386/predicates.md, config/i386/xmmintrin.h,
4956         config/i860/i860.c, config/ia64/ia64-modes.def,
4957         config/ia64/ia64-protos.h, config/ia64/ia64.h,
4958         config/ia64/ia64.md, config/ia64/itanium1.md,
4959         config/ia64/itanium2.md, config/ia64/predicates.md,
4960         config/iq2000/iq2000.h, config/mips/linux64.h,
4961         config/rs6000/aix41.h, config/rs6000/aix43.h,
4962         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
4963         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
4964         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
4965         config/sparc/linux64.h, config/sparc/litecoff.h,
4966         config/sparc/sp64-elf.h, config/sparc/sparc.c,
4967         config/sparc/sparc.h, config/sparc/sparc.md,
4968         config/sparc/sysv4-only.h: Update copyright.
4969
4970 2005-01-18  Richard Henderson  <rth@redhat.com>
4971
4972         PR target/19496
4973         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
4974
4975 2005-01-18  Marc Espie  <espie@openbsd.org>
4976         * config/i386/openbsdelf.h: Typo.
4977
4978 2005-01-18  Richard Henderson  <rth@redhat.com>
4979
4980         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
4981         special case for sse.
4982         * config/i386/predicates.md (sse_comparison_operator): Likewise.
4983
4984 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
4985
4986         * tree-inline.c (estimate_num_insns_1): Added cases for
4987         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
4988
4989 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
4990
4991         PR rtl-optimization/19296
4992         * combine.c (simplify_comparison): Rewrite the condition under
4993         which a non-paradoxical SUBREG of a PLUS can be lifted when
4994         compared against a constant.
4995
4996 2005-01-18  Andi Kleen <ak@muc.de>
4997
4998         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
4999         * c.opt (-Wpointer-sign): Add.
5000         * doc/invoke.texi: (-Wpointer-sign): Add.
5001
5002 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
5003
5004         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
5005         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
5006         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
5007         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
5008         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
5009         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
5010         for TARGET_MIX_SSE_I387.
5011         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
5012         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
5013         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
5014         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
5015         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
5016         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
5017         TARGET_MIX_SSE_I387.
5018         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
5019         from expander.
5020
5021 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
5022
5023         PR target/19424
5024         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
5025         Add movaps alternative for xmm reg->reg move.
5026
5027 2005-01-17  Jeff Law  <law@redhat.com>
5028
5029         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
5030         at the end of the main DOM loop rather than just before DOM exits.
5031
5032 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
5033
5034         PR tree-optimization/19121
5035         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
5036         adding aliases to a name tag, also add them to the pointer's
5037         type tag.
5038         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
5039         sensitive alias info at all.  Only check that the two pointers
5040         have compatible pointed-to sets.
5041         * tree-ssa.c (verify_name_tags): Verify that the alias set of
5042         a pointer's type tag is a superset of the alias set of the
5043         pointer's name tag.
5044
5045 2005-01-17  James E Wilson  <wilson@specifixinc.com>
5046
5047         PR target/19357
5048         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
5049         comment to document why.
5050
5051 2005-01-17  Richard Henderson  <rth@redhat.com>
5052
5053         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
5054         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
5055         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
5056         sse2_vmsminv2df3_finite): New.
5057         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
5058         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
5059         Force op1 into register.
5060
5061 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
5062
5063         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
5064         bubblestrap from always rebuilding build directory.
5065
5066 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
5067
5068         * config/s390/s390.md ("*clc"): Remove incorrect '='.
5069         ("*cmpmem_short"): Likewise.
5070
5071 2005-01-17  Steven Bosscher  <stevenb@suse.de>
5072
5073         * basic-block.h: Document BB_* flags.
5074         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
5075         use an sbitmap instead.
5076         * sched-rgn.c (compute_trg_info): Likewise.
5077
5078 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
5079
5080         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
5081         redundant target_cpu_default and extra_parts lines.  Use the default
5082         "from-abi" ISA.
5083         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
5084         (SUBTARGET_EXTRA_SPECS): Delete.
5085         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
5086         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
5087         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
5088         and "n32" for -mabi=n32.
5089
5090 2005-01-17  Ian Lance Taylor  <ian@airs.com>
5091
5092         PR c/5675
5093         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
5094         fold constant variables into initial values.
5095
5096 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
5097
5098         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
5099
5100         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
5101         through the statements backward.
5102
5103 2005-01-17  Ian Lance Taylor  <ian@airs.com>
5104
5105         PR middle-end/13127:
5106         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
5107         a variable set to the return value of the inlined function.
5108
5109 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
5110
5111         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
5112         when modes are tieable.
5113
5114 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
5115
5116         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
5117         of pthread_create to find out if threads are enabled.
5118         * gthr-posix95.h (__gthread_active_p): Likewise.
5119
5120 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
5121
5122         * common.opt (-fnew-ra): Remove.
5123         * ra*.*: Remove.
5124         * toplev.h (flag_new_regalloc): Remove.
5125         * Makefile.in (ra*.*): Don't mention.
5126         * passes.c (rest_of_handle_new_regalloc): Remove.
5127         (rest_of_handle_combine, rest_of_compilation): Always consider
5128         flag_new_regalloc as false.
5129         * doc/invoke.texi: Don't document -fnew-ra.
5130
5131 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
5132
5133         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
5134         last parameter to reg_scan.
5135         * loop.c (loop_optimize): Likewise.
5136         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
5137         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
5138         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
5139         rest_of_handle_gcse, rest_of_handle_loop_optimize,
5140         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
5141         * regclass.c (reg_scan): Likewise, for the declaration.
5142         * rtl.h (reg_scan): Likewise, for the prototype.
5143
5144 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
5145
5146         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
5147         mark_dfs_back_edges.
5148
5149 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
5150
5151         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
5152         (compute_avail): Uses don't go in tmp_gen.
5153
5154 2005-01-16  Steven Bosscher  <stevenb@suse.de>
5155
5156         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
5157         loop to look for a free slot in a page entry.
5158
5159 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5160
5161         PR target/16304
5162         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
5163         * toplev.c (compile_file): Call process_pending_assemble_output_defs
5164         just before targetm.asm_out.file_end.
5165         * tree.h (process_pending_assemble_output_defs): Declare.
5166         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
5167         New functions.
5168         (assemble_alias): Defer generation of assembly code for defines when
5169         TARGET_DEFERRED_OUTPUT_DEFS is true.
5170         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
5171         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
5172         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
5173
5174 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5175
5176         PR target/19336
5177         * pa.c (pa_scalar_mode_supported_p): New function.
5178         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
5179         * pa.h (MIN_UNITS_PER_WORD): Add comment.
5180
5181         * pa-protos.h (prefetch_operand): Delete.
5182         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
5183         * pa.c (prefetch_operand): Delete.
5184         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
5185         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
5186         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
5187         and prefetch_nocc_operand.
5188         * pa.md (prefetch): Rework to avoid reload problems handling short
5189         displacements when a cache control completer needs to be provided.
5190         (prefetch_32, prefetch_64): Delete.
5191         (prefetch_cc, prefetch_nocc): New patterns.
5192
5193 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
5194
5195         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
5196
5197 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5198
5199         PR ada/19388
5200         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
5201         exceeds maximum alignment for global common data.
5202         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
5203         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
5204
5205 2004-01-15  Roger Sayle  <roger@eyesopen.com>
5206
5207         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
5208
5209 2004-01-15  Roger Sayle  <roger@eyesopen.com>
5210
5211         * harg-reg-set.h (reg_class_names): Prototype global array.
5212         * regclass.c (reg_class_names): Declare here and initialize to
5213         REG_CLASS_NAMES.
5214         (dump_regclass): Remove local declaration of reg_class_names.
5215         (regclass): Likewise.
5216         * cfg.c (dump_flow_info): Likewise.
5217         * ra-debug.c (reg_class_names): Likewise.
5218         * regrename.c (reg_class_names): Likewise.
5219         * reload.c (reg_class_names): Likewise.
5220         * reload1.c (spill_failure): Likewise.
5221         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
5222
5223 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
5224
5225         * config/s390/s390.md ("reload_outti"): Remove predicate for
5226         output operand.  Abort if operand is not a MEM.
5227         ("reload_outdi", "reload_outdf"): Likewise.
5228
5229 2005-01-15  Marc Espie  <espie@openbsd.org>
5230
5231         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
5232         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
5233         * config/openbsd.h:  Fix C++ includes for native configurations.
5234         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
5235         Add trampoline support.
5236         * config/i386/openbsdelf.h: New.
5237
5238 2005-01-15  Marc Espie  <espie@openbsd.org>
5239
5240         * collect2.c (main): Explicitly parse -dynamic-linker option.
5241
5242 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
5243
5244         PR tree-optimization/19060
5245         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
5246         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
5247         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
5248         and handle extract_range_from_cond returning false.
5249         * fold-const.c (fold): Optimize comparisons with min/max even for
5250         width > HOST_BITS_PER_WIDE_INT.
5251
5252 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
5253
5254         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
5255         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
5256         Remove little endian multilib variants.
5257         Add mips32 multilib variant.
5258
5259 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
5260
5261         * explow.c (copy_all_reg, stabilize): Remove.
5262         * expr.h: Remove the corresponding prototypes.
5263
5264         * rtlanal.c (regs_set_between_p): Remove.
5265         * rtl.h: Remove the corresponding prototype.
5266
5267 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
5268
5269         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
5270         to rs6000_nonimmediate_operand.
5271         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
5272         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
5273         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
5274         rs6000_nonimmediate_operand.
5275         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
5276         rs6000_nonimmediate_operand.
5277
5278 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
5279
5280         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
5281
5282 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
5283
5284         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
5285         on e500v2.
5286         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
5287         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
5288
5289         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
5290         (rs6k_nonimmediate_operand): New.
5291         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
5292         correctly.
5293         (legitimate_lo_sum_address_p): Same.
5294         (rs6000_legitimize_address): Same.
5295         (rs6000_legitimize_reload_address): Same.
5296         (rs6000_legitimate_address): Same.
5297         (spe_build_register_parallel): Pass DF and DC modes in a DI
5298         register.
5299
5300         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
5301         to rs6k_nonimmediate_operand.
5302
5303         * config/rs6000/spe.md ("*frob_df_di"): New.
5304         ("*frob_di_df"): New.
5305         ("*frob_di_df_2"): New.
5306         ("*mov_sidf_e500_subreg0"): New.
5307         ("*mov_sidf_e500_subreg4"): New.
5308         ("*movdf_e500_double"): Change predicate to
5309         rs6k_nonimmediate_operand.
5310
5311 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
5312
5313         * postreload.c (move2add_note_store): Only call
5314         trunc_int_for_mode on scalar integers.
5315
5316 2005-01-14  Steven Bosscher  <stevenb@suse.de>
5317
5318         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
5319         replace BB_VISITED uses.
5320         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
5321         (propagate_necessity): Check the bitmap instead of BB_VISITED.
5322         (tree_dce_done): Free visited_control_parents.
5323         (perform_tree_ssa_dce): Allocate and clear it.
5324         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
5325         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
5326         instead of BB_VISITED.
5327
5328 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
5329
5330         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
5331         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
5332         Remove unused prototypes.
5333
5334 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
5335
5336         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
5337         64-bit register usage.
5338         (spe_func_has_64bit_regs_p): Add FIXME note.
5339
5340 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
5341
5342         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
5343         flag_finite_math_only with flag_unsafe_math_optimizations.
5344
5345 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
5346
5347         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
5348         end-of-stack check.
5349         (__tpf_eh_return): Copy TPF private stack area from the module
5350         boundary stack frame.  Add check for when module addresses are
5351         equal, but no stub address is found.
5352
5353 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
5354
5355         PR target/7525
5356         * arm.h (struct machine_function): Add call_via field.
5357         (thumb_call_via_label): Declare.
5358         * arm.c (thumb_call_via_label): New variable.
5359         (thumb_call_reg_needed): New variable.
5360         (arm_output_function_epilogue): For Thumb code, output any per-function
5361         call-indirect trampolines.
5362         (thumb_call_via_reg): New function.
5363         (arm_file_end): New function.
5364         (TARGET_ASM_FILE_END): Call arm_file_end.
5365         (aof_file_end): Likewise.
5366         * arm-protos.h (thumb_call_via_reg): Declare.
5367         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
5368         thumb_call_via_reg in normal case.
5369
5370 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
5371
5372         PR middle-end/19084
5373         PR rtl-optimization/19348
5374         * recog.c (peephole2_optimize): Do global life update if some peephole
5375         decides it doesn't need at least one of its inputs and that change
5376         influences liveness at the start of the basic block.
5377
5378         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
5379         arguments instead of 1.
5380
5381 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
5382
5383         PR middle-end/18820
5384         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
5385         zero for nested functions needing a static chain or functions
5386         with a non-constant address.
5387
5388 2005-01-13  Roger Sayle  <roger@eyesopen.com>
5389
5390         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
5391         (and (sign_extend X) C) into (zero_extend (and X C)).
5392
5393 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
5394
5395         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
5396
5397 2005-01-13  Richard Henderson  <rth@redhat.com>
5398
5399         PR target/19009
5400         PR target/19250
5401         PR target/19252
5402         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
5403         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
5404         not just TARGET_SSE.
5405         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
5406         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
5407         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
5408         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
5409         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
5410         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
5411         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
5412         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
5413         (movdicc_c_rex64): Rename with '*'.
5414         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
5415         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
5416         (movsfcc_1_387): Rename from movsfcc_1.
5417         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
5418         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
5419         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
5420         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
5421         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
5422         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
5423         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
5424         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
5425         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
5426         sse_movdfcc_const0_4): Remove.
5427         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
5428         recognize min/max early.  Update for changed sse cmove patterns.
5429         (ix86_split_sse_movcc): New.
5430         * config/i386/i386-protos.h: Update.
5431
5432 2005-01-13  Steven Bosscher  <stevenb@suse.de>
5433
5434         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
5435         (fix_stmt_v_may_defs): Likewise.
5436
5437 2005-01-13  Richard Henderson  <rth@redhat.com>
5438
5439         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
5440         for converting the mask.
5441
5442 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
5443
5444         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
5445         definition to 600.
5446
5447 2005-01-13  Richard Henderson  <rth@redhat.com>
5448
5449         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
5450         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
5451         IX86_BUILTIN_MOVDQ2Q): Remove.
5452         (IX86_BUILTIN_VEC_EXT_V4SI): New.
5453         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
5454         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
5455         shuffling.
5456         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
5457         (sse2_pextrw): Fix immediate constraint.
5458         (sse2_loadq, sse2_loadq_rex64): Remove.
5459         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
5460         Use __builtin_ia32_vec_ext_<size>.
5461         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
5462
5463 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
5464
5465         * function.c (assign_parm_setup_block): Look inside original
5466         entry_parm when inspecting PARALLEL.
5467
5468 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
5469             Joel Sherrill  <joel@oarcorp.com>
5470
5471         PR target/19399
5472         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
5473         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
5474         rtems_gxx_recursive_mutex_init.
5475         (__gthread_recursive_mutex_lock): New function.
5476         (__gthread_recursive_mutex_trylock): Likewise.
5477         (__gthread_recursive_mutex_unlock): Likewise.
5478
5479 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
5480
5481         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
5482
5483 2005-01-13  Jan Beulich  <jbeulich@novell.com>
5484
5485         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
5486         (ashrti3_internal): Indicate output is early clobber. Generate result
5487         into output rather than first input. Use move for low word of output
5488         if shift count is exactly 64.
5489         (lshrti3_internal): Likewise.
5490
5491 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
5492
5493         PR target/18329
5494         PR target/18330
5495         * reload1.c (delete_output_reload): Don't delete an output reload
5496         if the pseudo lives longer than a single basic block.  Adjust and
5497         improve wording of comment.
5498
5499 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
5500
5501         PR target/19334
5502         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
5503         of TYPE_SIZE where we mean the number of bytes.
5504
5505 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
5506
5507         * function.c (assign_parm_setup_block): Relax condition on
5508         multi-register optimization.
5509
5510 2005-01-12  Nick Clifton  <nickc@redhat.com>
5511
5512         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
5513         an "in_delay_slot" attribute of "no" to prevent them being used in
5514         delay slots.  This is forbidden because they might generate
5515         exceptions.
5516
5517 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
5518
5519         PR target/19389
5520         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
5521         with r->Y and Y->r.
5522
5523 2005-01-12  Nick Clifton  <nickc@redhat.com>
5524
5525         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
5526         passed on to GAS) but do not define, as GAS no longer supports or
5527         needs the -m2000 option.
5528
5529 2005-01-11  Roger Sayle  <roger@eyesopen.com>
5530
5531         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
5532         type as args of unprototyped builtins aren't automatically promoted.
5533         (fold_builtin_abs): Likewise.
5534
5535 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5536
5537         * Makefile.in: Set a `build-warn' variable.
5538
5539 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
5540
5541         PR tree-optimization/17949
5542         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
5543         (find_interesting_uses_address): Use it.
5544
5545 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
5546
5547         * regrename.c (kill_value): Handle subreg's that won't simplify.
5548
5549 2005-01-11  Richard Henderson  <rth@redhat.com>
5550
5551         PR target/13366
5552         * config/i386/i386.h (enum ix86_builtins): Move ...
5553         * config/i386/i386.c: ... here.
5554         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
5555         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
5556         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
5557         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
5558         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
5559         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
5560         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
5561         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
5562         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
5563         IX86_BUILTIN_LOADDDUP): Remove.
5564         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
5565         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
5566         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
5567         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
5568         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
5569         (ix86_init_builtins): Make static.
5570         (ix86_init_mmx_sse_builtins): Update for changed builtins.
5571         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
5572         if all the modes match.  Otherwise, fake it.
5573         (get_element_number, ix86_expand_vec_init_builtin,
5574         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
5575         (ix86_expand_builtin): Make static.  Update for changed builtins.
5576         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
5577         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
5578         (ix86_expand_vector_init_duplicate): New.
5579         (ix86_expand_vector_init_low_nonzero): New.
5580         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
5581         Split out from ix86_expand_vector_init; handle integer modes.
5582         (ix86_expand_vector_init): Use them.
5583         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
5584         * config/i386/i386-protos.h: Update.
5585         * config/i386/predicates.md (reg_or_0_operand): New.
5586         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
5587         (movv2sf_internal): Likewise.  And a splitter to match them all.
5588         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
5589         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
5590         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
5591         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
5592         (mmx_pinsrw): Fix operand ordering.
5593         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
5594         rather than sse_loadss expander.
5595         (movv2df splitter): Similarly.
5596         (sse_loadss, sse_loadlss): Remove.
5597         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
5598         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
5599         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
5600         (sse3_movddup): Rename with '*'.
5601         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
5602         (sse2_loadsd): Remove.
5603         (vec_dupv2df_sse3): Rename from sse3_loadddup.
5604         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
5605         (sse2_pinsrw): Fix argument ordering.
5606         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
5607         (sse2_stored): Remove 'r' destination.
5608         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
5609         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
5610         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
5611         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
5612         vec_extractv16qi, vec_initv16qi): New.
5613
5614         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
5615         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
5616         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
5617         constructor form.
5618         (_mm_load_pd, _mm_store_pd): Use plain dereference.
5619         (_mm_load_si128, _mm_store_si128): Likewise.
5620         (_mm_load1_pd): Use _mm_set1_pd.
5621         (_mm_load_sd): Use _mm_set_sd.
5622         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
5623         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
5624         (_mm_set_epi64): Use _mm_set_epi64x.
5625         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
5626         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
5627         _mm_setr_epi8): Use _mm_set_foo form.
5628         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
5629         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
5630         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
5631         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
5632         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
5633         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
5634         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
5635         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
5636         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
5637         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
5638         (_mm_movedup_pd): Use _mm_shuffle_pd.
5639         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
5640         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
5641         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
5642         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
5643         Use _mm_setzero_ps.
5644         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
5645         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
5646         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
5647         (_mm_store_ps): Use raw dereference.
5648         (_mm_store1_ps): Use _mm_storeu_ps.
5649         (_mm_storer_ps): Use _mm_store_ps.
5650         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
5651         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
5652
5653 2005-01-11  Stan Shebs  <shebs@apple.com>
5654
5655         * config/rs6000/rs6000.c (machopic_output_stub): Issue
5656         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
5657
5658 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
5659
5660         PR target/18761
5661         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
5662         Skip all DECLs except for FIELD_DECLs.
5663
5664 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
5665
5666         * config/s390/s390.c (override_options): Return error if
5667         -mbackchain, -mpacked-stack and -mhard-float are used together.
5668         (s390_va_start): Remove the backchain && packed-stack special case.
5669         (s390_gimplify_va_arg): Likewise.
5670         * doc/invoke.texi: Remove the ABI incompatibility note.
5671
5672 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
5673
5674         * config/s390/s390.c (struct s390_frame_layout): Remove
5675         save_backchain_p.
5676         (s390_frame_info, s390_emit_prologue): Replace occurrences of
5677         save_backchain_p with TARGET_BACKCHAIN.
5678
5679 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
5680
5681         PR target/18916
5682         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
5683         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
5684         * function.c (locate_and_pad_parm): Set new field.
5685         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
5686         Tweak where_pad test to include "none".  Always set mem align for
5687         stack_parm.
5688         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
5689         not sufficient for type.
5690         (assign_parm_setup_block): If stack_parm is zero on entry, always
5691         make a new stack local.  Block move old stack parm if necessary
5692         to new aligned stack local.
5693         (assign_parm_setup_stack): Use a block move to handle
5694         potentially misaligned entry_parm.
5695         (assign_parms_unsplit_complex): Specify required alignment when
5696         creating stack local.
5697         * calls.c (compute_argument_addresses): Override alignment of stack
5698         arg calculated from its type with the alignment given by
5699         FUNCTION_ARG_BOUNDARY.
5700         (store_one_arg): Likewise.
5701
5702 2005-01-11  Jan Beulich  <jbeulich@novell.com>
5703
5704         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
5705         Change respective itanium_class attribute to ialu.
5706         (shladdp4_internal): New.
5707         * config/ia64/predicates.md (shladd_log2_operand): New.
5708
5709 2005-01-11  Richard Henderson  <rth@redhat.com>
5710
5711         * expr.c (store_constructor): Use rtvec_alloc instead of
5712         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
5713
5714 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
5715
5716         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
5717
5718 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
5719
5720         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
5721         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
5722         (TARGET_RWRELOC): Define.
5723         (ia64_rwreloc_section_type_flags): Delete.
5724         (ia64_section_type_flags): New function.
5725         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
5726         (TARGET_RWRELOC): Define.
5727
5728 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
5729
5730         PR target/18987
5731         * config/ia64/ia64.c (process_set): For alloc insn, only call
5732         process_epilogue is !frame_pointer_needed.
5733
5734 2005-01-10  Roger Sayle  <roger@eyesopen.com>
5735
5736         PR c++/19355
5737         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
5738         unary operator and can't be treated as a binary/comparison operator.
5739
5740 2005-01-10  Richard Henderson  <rth@redhat.com>
5741
5742         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
5743         (ix86_return_in_memory): Likewise.
5744         (function_arg_advance):  Likewise.  Mirror structure in function_arg
5745         for choosing register to advance.
5746
5747 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
5748
5749         * tree-vectorizer.c, tree.def: Fix comment typos.
5750
5751 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
5752
5753         * config/s390/s390.c (struct processor_costs): 4 new fields:
5754         ddbr, ddr, debr, der.
5755         (s390_rtx_costs): More precise handling of divide instructions.
5756
5757 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
5758
5759         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
5760
5761 2005-01-10  Jan Beulich  <jbeulich@novell.com>
5762
5763         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
5764         names resulting from -ffunction-sections/-fdata-sections and linkonce
5765         ones.
5766         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
5767         based on the section name. Rearrange the section name comparison logic
5768         slightly so that each section name is compared against at most once.
5769
5770 2005-01-10  Ben Elliston  <bje@au.ibm.com>
5771
5772         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
5773         targets for which -fPIC reduces limitations on the GOT size.
5774
5775 2005-01-09  Falk Hueffner  <falk@debian.org>
5776
5777         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
5778         X/C1 cmpop C2.
5779
5780 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
5781
5782         PR target/18720
5783         * collect2.c (main): Set aixrtl_flag for -brtl option.
5784         (resolve_lib_name): Search for .so file extension before .a
5785         if aixrtl_flag set.
5786
5787 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
5788
5789         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
5790         (vect_analyze_data_refs_alignment): Add dump prints.
5791
5792 2005-01-09  Ira Rosen  <irar@il.ibm.com>
5793
5794         * tree-vectorizer.c (vect_analyze_offset_expr): Use
5795         expr_invariant_in_loop_p.
5796         Initialize outputs first thing in the function.
5797         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
5798         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
5799         (vect_analyze_pointer_ref_access): Check that the initial condition of
5800         the access function is loop invariant.
5801
5802 2005-01-09  Richard Henderson  <rth@redhat.com>
5803
5804         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
5805         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
5806         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
5807         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
5808         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
5809         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
5810         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
5811         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
5812         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
5813         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
5814         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
5815         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
5816         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
5817         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
5818         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
5819         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
5820         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
5821         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
5822         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
5823         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
5824         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
5825         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
5826         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
5827         mmx_ prefix.
5828         (mmx_clrdi, pavgusb): Remove.
5829         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
5830         with leading sse_ prefix.
5831         * config/i386/sse.md: Receive them.
5832         * config/i386/mmx.md: New file.
5833         (MMXMODE12, MMXMODE24, mmxvecsize): New.
5834         (subrv2sf3): Turn into expander for normal subtraction.
5835         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
5836         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
5837         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
5838         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
5839         commutative; use ix86_binary_operator_ok.
5840         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
5841         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
5842         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
5843         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
5844         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
5845         Macroize from existing patterns; use ix86_binary_operator_ok.
5846         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
5847         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
5848         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
5849         with vec_select+vec_concat.
5850         (mmx_pshufw, mmx_pshufw_1): Likewise.
5851         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
5852         (mmx_uavgv4hi3): Model correctly.
5853         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
5854         _mm_xor_si64): Remove casts.
5855
5856 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
5857
5858         PR tree-optimization/19224
5859         * tree-scalar-evolution.c (get_instantiated_value,
5860         set_instantiated_value): New functions.
5861         (instantiate_parameters_1): Cache the results.
5862         (instantiate_parameters, resolve_mixers): Initialize and free
5863         the cache.
5864
5865 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
5866
5867         * config/i386/i386.md (addhi_4): Correct reference in comment.
5868         (addqi_4): Same.
5869
5870 2005-01-08  Richard Henderson  <rth@redhat.com>
5871
5872         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
5873         (_mm_cvtsi128_si64x): Likewise.
5874         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
5875         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
5876         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
5877         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
5878         * config/i386/i386-protos.h: Update.
5879         * config/i386/i386.c (print_operand): Add 'H'.
5880         (ix86_fixup_binary_operands): Split out from ...
5881         (ix86_expand_binary_operator): ... here.
5882         (ix86_fixup_binary_operands_no_copy): New.
5883         (ix86_expand_fp_absneg_operator): Handle vector mode results.
5884         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
5885         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
5886         (safe_vector_operand): Use CONST0_RTX.
5887         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
5888         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
5889         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
5890         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
5891         special cases.
5892         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
5893         (IX86_BUILTIN_CMPNGESS): New.
5894         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
5895         (attr type): Add sselog1.
5896         (attr unit, attr memory): Handle it.
5897         (movti, movti_internal, movti_rex64): Move near other integer moves.
5898         (movtf, movtf_internal): Move near other fp moves.
5899         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
5900         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
5901         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
5902         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
5903         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
5904         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
5905         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
5906         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
5907         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
5908         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
5909         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
5910         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
5911         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
5912         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
5913         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
5914         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
5915         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
5916         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
5917         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
5918         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
5919         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
5920         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
5921         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
5922         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
5923         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
5924         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
5925         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
5926         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
5927         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
5928         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
5929         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
5930         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
5931         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
5932         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
5933         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
5934         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
5935         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
5936         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
5937         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
5938         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
5939         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
5940         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
5941         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
5942         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
5943         same time.
5944         (SSEPUSH, push<SSEPUSH>): Remove.
5945         (MMXPUSH, push<MMXPUSH>): Remove.
5946         (sse_movaps, sse_movaps_1, sse_movups): Remove.
5947         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
5948         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
5949         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
5950         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
5951         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
5952         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
5953         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
5954         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
5955         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
5956         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
5957         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
5958         (ppro_sse_log_V4SF): Handle sselog1.
5959         * config/i386/predicates.md (const_0_to_1_operand): New.
5960         (const_0_to_255_mul_8_operand): New.
5961         (const_1_to_31_operand): Rename from const_int_1_31_operand.
5962         (const_2_to_3_operand, const_4_to_7_operand): New.
5963         * config/i386/sse.md: New file.
5964         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
5965         (sse_movups): Rename from sse_movups_1.
5966         (sse_loadlss): Rename from sse_loadss_1.
5967         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
5968         from the name.
5969         (negv4sf2): Use ix86_expand_fp_absneg_operator.
5970         (absv4sf2, negv2df, absv2df): New.
5971         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
5972         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
5973         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
5974         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
5975         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
5976         (sse3_addsubv4sf3): Model correctly.
5977         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
5978         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
5979         (sse_movhlps): Model with vec_select+vec_concat.
5980         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
5981         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
5982         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
5983         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
5984         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
5985         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
5986         sse2_pshufhw_1): Likewise.
5987         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
5988         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
5989         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
5990         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
5991         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
5992         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
5993         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
5994         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
5995         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
5996         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
5997         sminv8hi3): Mark commutative
5998         operands.  Use ix86_binary_operator_ok.
5999         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
6000         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
6001         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
6002         sse2_punpcklqdq): Allow operand2 in memory.
6003         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
6004         sse2_movsd): Add memory alternatives.
6005         (sse_storelps): Turn expander into an insn; split after reload.
6006         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
6007         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
6008
6009 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
6010
6011         * configure.ac (DWARF-2 debug_line): Use objdump.
6012         * configure: Regenerate.
6013
6014 2005-01-08  Jeff Law  <law@redhat.com>
6015             Diego Novillo  <dnovillo@redhat.com>
6016
6017         PR tree-optimization/18241
6018         * tree-nrv.c (tree_nrv): Ignore volatile return values.
6019         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
6020         statements with volatile operands.
6021         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
6022         operands after marking a statement with has_volatile_ops.
6023
6024 2005-01-08  Roger Sayle  <roger@eyesopen.com>
6025
6026         * tree.c (int_fits_type_p): Always honor integer constant
6027         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
6028
6029 2005-01-08  Roger Sayle  <roger@eyesopen.com>
6030
6031         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
6032         the latent bug in rtl_delete_block has been resolved.
6033
6034 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
6035
6036         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
6037         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
6038
6039 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
6040
6041         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
6042         library as @multilib_dir@/$(SHLIB_SONAME).
6043
6044 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
6045
6046         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
6047         * configure: Regenerate.
6048
6049 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
6050
6051         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
6052         TYPE_MODE.
6053
6054 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
6055
6056         PR target/13674
6057         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
6058         Convert non-word aligned offset address using ld/std into
6059         indirect address.
6060
6061 2005-01-07  Richard Henderson  <rth@redhat.com>
6062
6063         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
6064
6065 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
6066
6067         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
6068
6069 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
6070
6071         PR tree-optimization/19283
6072         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
6073         is not shorter than the original type.
6074
6075         PR rtl-optimization/19012
6076         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
6077
6078         PR rtl-optimization/18861
6079         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
6080         (FULL_STATE): Define.
6081         (mark_tablejump_edge): New function.
6082         (purge_dead_tablejump_edges): New function.
6083         (find_bb_boundaries): Use it.
6084
6085         PR tree-optimization/18828
6086         * builtins.c (expand_builtin_next_arg): Remove argument and all
6087         the argument checking.
6088         (expand_builtin): Adjust caller.
6089         (expand_builtin_va_start): Likewise.  Remove error for too many
6090         arguments.
6091         (fold_builtin_next_arg): Issue error for too many arguments.
6092         After checking arguments, replace them with magic arguments that
6093         prevent further checking of the args.
6094
6095 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6096
6097         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
6098
6099 2005-01-06  Roger Sayle  <roger@eyesopen.com>
6100
6101         PR target/6077
6102         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
6103         and %{.S:...} (and their negative variants) to test whether the
6104         input file is assembler or pre-processed-assembler independent of
6105         the actual filename extension.
6106
6107 2005-01-06  Roger Sayle  <roger@eyesopen.com>
6108
6109         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
6110         of sign or zero extended values.
6111
6112 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
6113
6114         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
6115         for IBM long double format correctly.
6116
6117 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
6118
6119         Fix PR tree-optimization/18792
6120
6121         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
6122         to first_loop_depth, and use loop depth instead of loop number.
6123         (build_classic_dir_vector): Ditto.
6124         (compute_data_dependences_for_loop): Use depth, not loop number.
6125         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
6126         number. Pass in loops, instead of loop numbers.
6127         (gather_interchange_stats): Ditto.
6128         (linear_transform_loops): Ditto.
6129
6130 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
6131
6132         PR rtl-opt/13299
6133         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
6134         biv_fits_mode_p, extension_within_bounds_p): New functions.
6135         (check_ext_dependent_givs): Use them.
6136
6137 2005-01-06  Roger Sayle  <roger@eyesopen.com>
6138
6139         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
6140         more than one barrier, in which case we should delete them all.
6141
6142 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
6143
6144         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
6145
6146 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
6147
6148         Fix PR middle-end/19286
6149         Fix PR debug/19267
6150         * dwarf2out.c (gen_subprogram_die): If we've already tried to
6151         output this subprogram, simply ignore this attempt to do it again.
6152         (add_abstract_origin_attribute): Don't abort trying to add the abstract
6153         origin attribute if it's not possible.
6154         (gen_block_die): Don't ignore subblocks of "unused" blocks.
6155         (decls_for_scope): Ditto.
6156         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
6157         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
6158
6159 2005-01-05  Richard Henderson  <rth@redhat.com>
6160
6161         PR target/11327
6162         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
6163         (bdesc_2arg): Use it.
6164         (ix86_expand_binop_builtin): Force operands into registers
6165         when optimizing.
6166         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
6167         ix86_expand_sse_compare, ix86_expand_sse_comi,
6168         ix86_expand_builtin): Likewise.
6169
6170 2005-01-05  Richard Henderson  <rth@redhat.com>
6171
6172         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
6173         and VEC_SELECT.
6174         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
6175         (mulv4hi3): Set itanium_class mmmul.
6176         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
6177         (fpack): Rename from fpack_sfsf.
6178
6179 2005-01-05  Richard Henderson  <rth@redhat.com>
6180
6181         PR rtl-opt/10692
6182         * reload1.c (do_input_reload): Restrict the optimization deleteing
6183         a previous output reload to RELOAD_FOR_INPUT.
6184
6185 2005-01-05  Steven Bosscher  <stevenb@suse.de>
6186
6187         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
6188         comment that we fall through after case.
6189         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
6190         (distribute_links): Likewise.
6191         * cse.c (cse_insn): Likewise.
6192         * cselib.c (cselib_invalidate_mem): Likewise.
6193         * df.c: Update comments at the top of the file.
6194         (read_modify_subreg_p): Update comments here too.
6195         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
6196         * flow.c (mark_set_1): Likewise.
6197         (mark_used_regs): Likewise.
6198         * gcse.c (mems_conflict_for_gcse_p): Likewise.
6199         (canon_list_insert): Likewise.
6200         (mark_set): Likewise.
6201         (try_replace_reg): Likewise.
6202         (store_killed_in_insn): Likewise.
6203         * loop.c (count_one_set): Likewise.
6204         (basic_induction_var): Likewise.
6205         * postreload-gcse.c (find_mem_conflicts): Likewise.
6206         * postreload.c (reload_combine_note_store): Likewise.
6207         (move2add_note_store): Likewise.
6208         * reload.c (find_equiv_reg): Likewise.
6209         (mark_referenced_resources): Likewise.
6210         * rtlanal.c (set_noop_p): Likewise.
6211         (note_stores): Likewise.
6212         (note_uses): Likewise.
6213         * sched-deps.c (sched_analyze_1): Likewise.
6214         * sched-rgn.c (check_live_1): Likewise.
6215         (update_live_1): Likewise.
6216         * config/i860/i860.c: Likewise.
6217
6218         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
6219         an lvalue.
6220         (ZERO_EXTRACT): Mention that this one can be an lvalue.
6221
6222         * doc/rtl.texi: Update documentation for bit-fields and SET.
6223
6224 2005-01-05  Roger Sayle  <roger@eyesopen.com>
6225
6226         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
6227
6228 2005-01-05  Jan Hubicka  <jh@suse.cz>
6229             Richard Henderson  <rth@redhat.com>
6230
6231         PR target/18910
6232         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
6233         with an offset.
6234
6235 2005-01-05  Richard Henderson  <rth@redhat.com>
6236
6237         PR target/12902
6238         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
6239         (sse_shufps): Change operand 3 to const_int_operand.
6240         (sse2_storelps): Fix typo in template.
6241         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
6242         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
6243         (ix86_expand_builtin): Likewise.
6244
6245 2005-01-05  Julian Brown  <julian@codesourcery.com>
6246
6247         * config/arm/arm.c (arm_return_in_memory): Treat complex types
6248         as aggregates for AAPCS ABIs.
6249
6250 2005-01-05  Stan Shebs  <shebs@apple.com>
6251
6252         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
6253         Mach-O getters if ppc64.
6254         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
6255         size argument.
6256         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
6257         signed four-byte field for global code case.
6258         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
6259
6260 2005-01-05  Roger Sayle  <roger@eyesopen.com>
6261
6262         PR middle-end/19100
6263         * c-common.c: Include real.h.
6264         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
6265         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
6266         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
6267         * Makefile.in (c-common.o): Update dependencies.
6268
6269 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
6270
6271         * c-parse.in (asm_string): Add trailing semicolon.
6272
6273 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
6274
6275         * c-parse.in (asm_string): New.  Don't allow wide strings in
6276         'asm'.
6277         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
6278         asm_string instead of STRING.
6279
6280 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
6281
6282         * c-typeck.c (constructor_no_implicit): Remove.
6283         (set_designator, process_init_element): Don't check
6284         constructor_no_implicit.
6285
6286 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
6287             Kaz Kojima  <kkojima@gcc.gnu.org>
6288
6289         PR target/16482
6290         * lcm.c (create_pre_exit): New.
6291         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
6292         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
6293
6294 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
6295
6296         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
6297         -msoft-float in target_float_switch.
6298         * arm.c (arm_override_options): Fix processing of target_float_switch.
6299
6300 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
6301
6302         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
6303         preferencing.
6304
6305 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
6306
6307         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
6308         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
6309
6310 2005-01-04  Roger Sayle  <roger@eyesopen.com>
6311
6312         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
6313         if deleting the then-block allows the test-block to fallthru to the
6314         else-block.
6315
6316 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
6317
6318         PR c/19152
6319         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
6320         after the full declaration if the are in two different TUs.
6321
6322 2005-01-04  Richard Henderson  <rth@redhat.com>
6323
6324         PR tree-opt/19158
6325         * tree-sra.c (generate_one_element_init): Just
6326         call gimplify_and_add.
6327         (generate_element_init): Record the
6328         new referenced variables and mark them for renaming
6329         and split out to ...
6330         (generate_element_init_1): This.
6331         (scalarize_init): Don't call push_gimplify_context/
6332         pop_gimplify_context.
6333
6334 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
6335
6336         * toplev.c (get_src_pwd): Handle failure of getpwd().
6337
6338 2005-01-04  Roger Sayle  <roger@eyesopen.com>
6339
6340         * fold-const.c (fold_single_bit_test): Delete unreachable handling
6341         of TRUTH_NOT_EXPR.
6342         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
6343         all the cases handled by it are inverted by invert_truthvalue.
6344
6345 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
6346
6347         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
6348         (save_register_windowsi): Likewise.
6349
6350 2005-01-04  Richard Henderson  <rth@redhat.com>
6351
6352         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
6353
6354 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
6355
6356         PR middle-end/17767
6357         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
6358         any simplifications of vector mode comparison operators.
6359         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
6360
6361 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
6362             Devang Patel  <dpatel@apple.com>
6363
6364         PR tree-optimization/18308
6365         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
6366         the operands before creating a new expression.
6367         * dojump.c (do_jump): Make drop_through_label available
6368         for all cases.  Add expansion of COND_EXPR.
6369
6370 2005-01-04  Ira Rosen  <irar@il.ibm.com>
6371
6372         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
6373         INTEGER_CST instead of TREE_CONSTANT.
6374         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
6375         instead of TREE_CONSTANT.
6376         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
6377         instead of TREE_CONSTANT.
6378
6379 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
6380
6381         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
6382
6383 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
6384
6385         PR target/19240
6386         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
6387         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
6388
6389 2005-01-03  Richard Henderson  <rth@redhat.com>
6390
6391         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
6392         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
6393         fold_convert_const_real_from_real): Split out from ...
6394         (fold_convert_const): ... here.
6395
6396 2005-01-03  Richard Henderson  <rth@redhat.com>
6397
6398         PR target/19235
6399         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
6400         (mov<MMXMODEI>_internal): Likewise.
6401         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
6402         Add V2SF case; use it for SSE1; don't use TI.
6403         (movdf_integer): Likewise.
6404         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
6405
6406 2005-01-03  Ira Rosen  <irar@il.ibm.com>
6407
6408         * tree-vectorizer.c (vect_strip_conversions): New function.
6409         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
6410         check for binary class.
6411
6412 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
6413
6414         Fix PR debug/17924
6415         Fix PR debug/19191
6416         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
6417         is a decl.
6418         * gimple-low.c (mark_blocks_with_used_vars): New function.
6419         (mark_blocks_with_used_subblocks): Ditto.
6420         (mark_used_blocks): Ditto.
6421         (pass_mark_used_blocks): New pass.
6422         * tree-inline.c: Include debug.h.
6423         (expand_call_inline): Call outlining_inline_function here.
6424         * tree-optimize.c (init_tree_optimization_passes): Add
6425         pass_mark_used_blocks.
6426         * tree-pass.h (pass_mark_used_blocks): New.
6427         * Makefile.in (tree-inline.o): Add debug.h dependency.
6428
6429 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
6430
6431         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
6432         VAR_DECLs to have weak_import attribute.
6433
6434         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
6435         'struct ucontext'.
6436
6437 2004-01-03  Steven Bosscher  <stevenb@suse.de>
6438
6439         * passes.c (rest_of_compilation): Don't run regmove if only
6440         flag_expensive_optimizations, require flag_regmove instead.
6441
6442 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
6443
6444         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
6445         register "sparc".
6446         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
6447         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
6448         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
6449         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
6450
6451 2005-01-03  Richard Henderson  <rth@redhat.com>
6452
6453         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
6454         (ia64_const_ok_for_letter_p): New.
6455         (ia64_const_double_ok_for_letter_p): New.
6456         (ia64_extra_constraint): New.
6457         (ia64_expand_vecint_compare): New.
6458         (ia64_expand_vcondu_v2si): New.
6459         (ia64_expand_vecint_cmov): New.
6460         (ia64_expand_vecint_minmax): New.
6461         (ia64_print_operand): Add 'v'.
6462         (ia64_preferred_reload_class): New.
6463         (ia64_vector_mode_supported_p): New.
6464         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
6465         (PREFERRED_RELOAD_CLASS): Move to function.
6466         (CONST_OK_FOR_LETTER_P): Move to function.
6467         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
6468         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
6469         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
6470         (EXTRA_CONSTRAINT): Move to function.
6471         * config/ia64/ia64.md: Include vect.md.
6472         (itanium_class): Add mmalua.
6473         (type): Handle it.
6474         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
6475         (1b_mmalua): New.
6476         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
6477         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
6478         CONST0_RTX.
6479         (const_int_2bit_operand): New.
6480         (fr_reg_or_0_operand): New.
6481         * config/ia64/ia64-modes.def: Add vector modes.
6482         * config/ia64/ia64-protos.h: Update.
6483         * config/ia64/vect.md: New file.
6484
6485 2005-01-03  Richard Henderson  <rth@redhat.com>
6486
6487         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
6488
6489 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
6490
6491         PR target/19236
6492         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
6493         to SFmode.
6494         (log1pdf2): Change mode of operands[0,1] to DFmode.
6495
6496 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
6497
6498         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
6499         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
6500         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
6501         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
6502         SPARC_RELAXED_ORDERING.
6503
6504 2005-01-03  Richard Henderson  <rth@redhat.com>
6505             Uros Bizjak  <uros@kss-loka.si>
6506
6507         PR target/14631
6508         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
6509         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
6510         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
6511         handling.
6512         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
6513         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
6514         const_pow2_1_to_128_operand): New predicates.
6515
6516 2005-01-02  Greg McGary  <greg@mcgary.org>
6517
6518         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
6519         anonymous decls.
6520         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
6521         object.  [ptr_type]: Remove unused variable.
6522         Remember nearest addressable array-element or record-component
6523         when checking bitfield components.  Tolerate empty BIND_EXPR.
6524
6525 2005-01-01  Richard Henderson  <rth@redhat.com>
6526
6527         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
6528         that don't narrow the value.  Fail for other conversions.
6529
6530 2005-01-01  Richard Henderson  <rth@redhat.com>
6531
6532         PR c/19031
6533         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
6534         * c-lang.c (finish_file): Don't do it here.
6535         * objc/objc-act.c (objc_finish_file): Likewise.
6536
6537         * cgraph.c (decl_assembler_name_equal): New.
6538         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
6539         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
6540         * cgraph.h (struct cgraph_varpool_node): Add next.
6541         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
6542         * varasm.c (assemble_alias): Mark the target as needed.
6543
6544 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
6545
6546         PR middle-end/19221
6547         * function.c (get_arg_pointer_save_area): Use entry_of_function
6548         instead of get_insns.
6549
6550 2005-01-01  Roger Sayle  <roger@eyesopen.com>
6551             Andrew Pinski  <pinskia@physics.uc.edu>
6552             James E. Wilson  <wilson@specifixinc.com>
6553
6554         PR rtl-optimization/12092
6555         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
6556         is zero.
6557
6558 2005-01-01  Roger Sayle  <roger@eyesopen.com>
6559             Olivier Hainque  <hainque@act-europe.fr>
6560
6561         * tree.c (int_fits_type_p): A narrower type always fits in a
6562         wider one, except for negative values into unsigned types.
6563
6564 2005-01-01  Roger Sayle  <roger@eyesopen.com>
6565
6566         * tree.c (int_fits_type_p): Compare the result of force_fit_type
6567         with the original constant rather than require TREE_OVERFLOW.
6568
6569 2005-01-01  Steven Bosscher  <stevenb@suse.de>
6570
6571         PR middle-end/17544
6572         * c-decl.c (finish_function): If compiling C99, annotate the
6573         compiler generated return with the current file name and line 0.
6574         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
6575         the source line is greater than 0.
6576         (remove_bb): Likewise.
6577
6578 See ChangeLog.12 for earlier changes.