OSDN Git Service

* value-prof.c (mod_subtract_transform): Remove local variable
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
2
3         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
4         var.
5
6         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
7         removed_phis.
8
9         * tree-ssa-pre.c (compute_avail): Remove local variable val.
10         (mark_operand_necessary): Remove local variable ver.
11
12         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
13         variable prefix_len.
14
15         * value-prof.c (mod_subtract_transform): Remove local variable
16         value.
17
18 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
19
20         * c-lex.c (c_lex_with_flags): Add parameter to call to 
21         cpp_spell_token.
22
23 2005-03-11  Per Bothner  <per@bothner.com>
24
25         * c-tree.h (struct c_declarator): New id_loc field.
26         * c-pragma.h (c_lex_with_flags): Take position reference.
27         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
28         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
29         (c_lex): Pass dummy location to c_lex_with_flags.
30         * c-parser.c (c_lex_one_token): Set c_token's location using
31         c_lex_with_flags, instead of input_location, which might be "ahead".
32         (c_parser_direct_declarator): Set declarator's id_loc from
33         c_token's id_loc.
34         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
35         declarator's id_loc, rather than probably-imprecise input_location.
36         (build_id_declarator): Initialize c_declarator's id_loc field.
37
38 2005-03-11  Roger Sayle  <roger@eyesopen.com>
39
40         PR middle-end/20419
41         * builtins.c (expand_builtin_signbit): Force the signbit's word
42         into an integer register to avoid SUBREGs of floating point modes.
43
44 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
45
46         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
47         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
48         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
49         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
50
51 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
52
53         PR rtl-optimization/20306
54         * expr.c (emit_move_complex): Set try_int false if mode is
55         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
56         emit_block_move if try_int is true.
57
58 2005-03-11  Richard Henderson  <rth@redhat.com>
59
60         PR target/20415
61         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
62         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
63         to match.
64
65 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
66
67         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
68         (TARGET_FIX_VR4130): New macro.
69         (TARGET_OPTIONS): Add -mfix-vr4130.
70         (ISA_HAS_MACCHI): New macro.
71         (ASM_SPEC): Add -mfix-vr4130.
72         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
73         (override_options): Handle mips_fix_vr4130_string.
74         (mips_avoid_hazards): Clear all_noreorder_p
75         if we're working around VR4130 errata and the macc alternatives
76         are not available.
77         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
78         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
79         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
80         (MULTILIB_DEFAULTS): Remove leading "march=".
81         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
82         if no architecture option is given.
83         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
84         VR4130 multilibs.
85         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
86         * doc/invoke.texi: Document -mfix-vr4130.
87
88 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
89
90         * config/mips/mips.c (override_options): Only warn about -mint64
91         deprecation if TARGET_INT64.
92
93 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
94
95         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
96         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
97         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
98         are non-specific regarding the nonnull parameter positions.
99         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
100         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
101         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
102         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
103         
104         * builtins.def: Use the non-specific "nonnull" attibute lists.
105
106 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
107
108         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
109         single_pred_edge, single_succ, single_pred): Improve comments.
110
111 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
112
113         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
114         single_pred_edge, single_succ, single_pred): New inline functions.
115         * bb-reorder.c (rotate_loop, find_traces_1_round,
116         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
117         duplicate_computed_gotos): Use the single_succ/pred functions.
118         * cfganal.c (forwarder_block_p): Ditto.
119         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
120         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
121         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
122         merge_seq_blocks): Ditto.
123         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
124         * cfglayout.c (fixup_reorder_chain): Ditto.
125         * cfgloop.c (mark_single_exit_loops, update_latch_info,
126         canonicalize_loop_headers, verify_loop_structure): Ditto.
127         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
128         mfb_update_loops, create_preheader, force_single_succ_latches,
129         create_loop_notes): Ditto.
130         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
131         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
132         commit_one_edge_insertion, purge_dead_edges,
133         cfg_layout_can_merge_blocks_p): Ditto.
134         * except.c (sjlj_emit_function_enter): Ditto.
135         * flow.c (init_propagate_block_info): Ditto.
136         * function.c (thread_prologue_and_epilogue_insns): Ditto.
137         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
138         insert_insn_end_bb): Ditto.
139         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
140         find_if_case_2): Ditto.
141         * lambda-code.c (perfect_nestify): Ditto.
142         * lcm.c (optimize_mode_switching): Ditto.
143         * loop-doloop.c (doloop_modify): Ditto.
144         * loop-init.c (loop_optimizer_init): Ditto.
145         * loop-iv.c (simplify_using_initial_values): Ditto.
146         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
147         * loop-unswitch.c (unswitch_loop): Ditto.
148         * modulo-sched.c (generate_prolog_epilog): Ditto.
149         * predict.c (combine_predictions_for_insn, estimate_probability,
150         tree_estimate_probability, last_basic_block_p,
151         estimate_bb_frequencies): Ditto.
152         * profile.c (branch_prob): Ditto.
153         * regrename.c (copyprop_hardreg_forward): Ditto.
154         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
155         * tracer.c (layout_superblocks): Ditto.
156         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
157         cfg_remove_useless_stmts_bb, cleanup_control_flow,
158         cleanup_control_expr_graph, disband_implicit_edges,
159         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
160         tree_verify_flow_info, tree_make_forwarder_block,
161         tree_forwarder_block_p, remove_forwarder_block,
162         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
163         * tree-if-conv.c (tree_if_conversion): Ditto.
164         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
165         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
166         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
167         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
168         copy_loop_headers): Ditto.
169         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
170         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
171         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
172         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
173         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
174         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
175         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
176         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
177         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
178         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
179         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
180         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
181         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
182         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
183         slpeel_add_loop_guard): Ditto.
184
185 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
186
187         PR tree-optimization/15784
188         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
189         and -1 - A to ~A.
190
191         * stmt.c (expand_case): Don't change index_type.  Convert minval
192         to the proper type.
193
194         PR tree-optimization/20130
195         * fold-const.c (fold): Fold x * -1 into -x.
196
197 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
198
199         PR rtl-optimization/20331
200         * rtlanal.c (modified_between_p): Check its address first for MEM.
201         (modified_in_p): Likewise.
202
203 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
204
205         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
206
207 2005-03-10  Steven Bosscher  <stevenb@suse.de>
208
209         * expr.c (expand_expr_real_1): If possible, use a conditional
210         move for expanding MIN_EXPR and MAX_EXPR.
211         Use temp for moving around rtx-en.
212
213 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
214
215         PR rtl-opt/20412
216         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
217         correct mode.
218
219 2005-03-10  Roger Sayle  <roger@eyesopen.com>
220
221         * builtins.c (expand_builtin_signbit): Extend to handle floating
222         point modes wider than the largest integer type, using the
223         operand_subword_force function to obtain the signbit's word.
224
225 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
226
227         PR target/20322
228         * combine.c (try_combine): If recog_for_combine added CLOBBERs
229         to NEWI2PAT, fail to combine if they are used by NEWPAT.
230
231 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
232
233         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
234
235 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
236
237         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
238         type void.
239         (perform_edge_inserts): Unconditionally call
240         free_dominator_info.
241
242         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
243
244 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
245
246         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
247
248 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
249
250         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
251
252         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
253         gcc_unreachable.
254         (rtl_register_value_prof_hooks,
255         tree_value_profile_transformations,
256         tree_register_value_prof_hooks): Likewise.
257         * var-tracking.c (stack_adjust_offset_pre_post,
258         variable_htab_free, variable_union, dataflow_set_different_2,
259         count_uses, variable_was_changed, set_frame_base_location,
260         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
261         vt_add_function_parameters): Likewise.
262         * varasm.c (named_section_real, named_section, make_decl_rtl,
263         asm_emit_uninitialised, assemble_integer, decode_addr_const,
264         const_hash_1, compare_constant, copy_constant, force_const_mem,
265         output_constant_pool_2, output_constant_pool_1, output_constant,
266         output_constructor, make_decl_one_only, decl_tls_model,
267         default_no_named_section, default_elf_select_section_1,
268         default_unique_section_1): Likewise.
269         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
270         * vmsdbgout.c (addr_const_to_string): Likewise.
271
272         PR c++/20375
273         * function.c (struct assign_parm_data_one): Remove last_named
274         field.
275         (assign_parm_find_data_types): Don't determine last_named.
276         Reorder named_parm determination.
277         (assign_parms): Only setup varargs on the last non-varadic
278         parameter.
279
280 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
281
282         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
283         sda base address on medium model.
284
285 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
286
287         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
288         * cfgloop.c (flow_loop_nodes_find): Export.
289         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
290         Declare.
291         * cfgloopmanip.c (fix_loop_structure): New function.
292         * predict.c (predict_loops): Clean up the loops information.
293         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
294         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
295         loop structure.
296         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
297         (rewrite_into_loop_closed_ssa): Declaration changed.
298         * tree-loop-linear.c (linear_transform_loops): Add argument to
299         rewrite_into_loop_closed_ssa call.
300         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
301         * tree-ssa-loop-im.c (move_computations): Ditto.
302         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
303         * tree-vectorizer.c (vectorize_loops): Ditto.
304         * tree-optimize.c: Include cfgloop.h.
305         (execute_todo): Choose whether to call cleanup_tree_cfg or
306         cleanup_tree_cfg_loop.
307         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
308         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
309         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
310         cleanup_tree_cfg_loop call.
311         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
312         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
313         work on part of cfg.
314
315 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
316
317         PR inline-asm/20314
318         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
319         with multiple alternatives.
320
321         * stmt.c (parse_output_constraint): Fix a typo.
322
323 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
324
325         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
326         assembly directive instead of deprecated "no-generics".
327
328 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
329
330         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
331         for non-offsettable memory references to cope with outstanding reload
332         replacements.
333         * config/s390/s390.md ("reload_outti"): Call find_replacement to
334         avoid losing outstanding address reloads.
335         ("reload_outdi", "reload_outdf"): Likewise.
336
337 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
338
339         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
340         code.  Add more cbrt transformations.
341
342 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
343
344         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
345
346 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
347
348         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
349         NULL_TREE when a given tree is not simplified.
350         (fold): Return the original tree when any of the functions
351         mentioned above NULL_TREE.
352
353         * fold-const.c (fold_unary, fold_binary): Take decomposed
354         arguments, code, type, op0, and op1 in case of fold_binary.
355         (fold): Update calls to fold_unary and fold_binary.
356
357 2005-03-09  Roger Sayle  <roger@eyesopen.com>
358
359         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
360         a fndecl and an arglist instead of a CALL_EXPR, exp.
361
362 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
363
364         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
365
366         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
367
368         * expr.c (expand_assignment): Remove orig_to_rtx.
369
370         * fold-const.c (int_const_binop): Remove no_overflow.
371
372         * ifcvt.c (noce_emit_move_insn): Remove inmode.
373
374         * loop-iv.c (get_biv_step_1): Remove lhs.
375
376         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
377
378         * real.c (real_nan): Remove neg.
379
380         * function.c (thread_prologue_and_epilogue_insns): Remove i
381         and newinsn.
382
383         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
384         tb.
385
386         * tree-eh.c (tree_could_trap_p): Remove idx.
387
388         * tree-into-ssa.c (ann): Remove ann.
389
390         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
391
392         * tree-sra.c (decide_block_copy): Remove inst_count.
393
394         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
395
396         * tree-ssa-loop-im.c (lhs): Remove.
397
398         * cfgbuild.c (state, STATE, SET_STATE,
399         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
400         make_edges.
401         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
402         (find_basic_blocks): Set the state of each basic block to
403         BLOCK_NEW.
404
405 2005-03-08  Jeff Law  <law@redhat.com>
406
407         * tree-cfg.c (cleanup_control_flow): If removal of a computed
408         goto results in the removal of edges in the CFG, then we need
409         to recompute dominators.
410
411 2005-03-09  Ben Elliston  <bje@au.ibm.com>
412
413         * c-common.c (c_do_switch_warnings): Comment fix.
414
415 2005-03-08  Julian Brown  <julian@codesourcery.com>
416
417         * Patch from 2005-03-08 reverted for causing regressions and
418         ppc-darwin bootstrap failure.
419
420 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
421
422         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn): 
423         Define the real function for ppc-darwin.
424         * c-typeck.c (convert_arguments): Check for target-specific
425         invalid argument call to unprototyped function.
426         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN): 
427         New Macro.
428         * target.h (invalid_arg_for_unprototyped_fn): New field 
429         in struct calls.
430         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New 
431         default target hook.
432         * targhooks.h (hook_invalid_arg_for_unprototyped_fn): 
433         Declare.
434
435 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
436
437         * c-typeck.c (constructor_stack, constructor_range_stack,
438         initializer_stack): Make them static.
439
440         * cfg.c (rbi_pool): Make it static.
441
442         * gimple-low.c (lower_stmt_body): Make it static.
443         * tree-flow.h: Remove the corresponding prototype.  Don't
444         declare lower_data.
445
446         * sched-deps.c (cache_size): Make it static.
447
448         * stor-layout.c (lang_adjust_rli): Make it static.
449
450 2005-03-08  Julian Brown  <julian@codesourcery.com>
451
452         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
453         from being used for symbols with vague linkage when
454         HAVE_GAS_COMDAT_GROUP is true.
455
456 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
457
458         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
459         nlabel == JUMP_LABEL (jump).
460
461 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
462
463         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
464         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
465         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
466         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
467
468 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
469
470         PR c/14411
471         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
472         * c-common.c (handle_returns_twice): New function.
473         (c_common_attribute_table): Declare eturns_twice' attribute.
474         * doc/extend.texi: Document eturns_twice' attribute.
475         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
476         (struct tree_decl): Add returns_twice_flag.
477
478 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
479
480         * tree-ssa-phiopt.c: Fix a comment typo.
481
482         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
483         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
484         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
485         copyright.
486
487 2005-03-08  Richard Henderson  <rth@redhat.com>
488
489         * config/alpha/alpha.c (code_for_builtin): Replace special-case
490         builtin codes with ctzdi2, clzdi2, popcountdi2.
491         (struct alpha_builtin_def): Add is_const.
492         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
493         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
494         (alpha_init_builtins): Init them.  Set nothrow and const attributes
495         on builtins.
496         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot, 
497         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx, 
498         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh, 
499         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
500         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
501         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
502         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
503         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
504         (TARGET_FOLD_BUILTIN): New.
505         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
506         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
507         (ffsdi2): Use ctz.
508         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
509
510 2005-03-08  Ira Rosen  <irar@il.ibm.com>
511
512         PR tree-optimization/20122
513         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
514         condition of access function instead of base.
515
516 2005-03-07  Jeff Law  <law@redhat.com>
517             Steven Bosscher  <stevenb@suse.de>
518
519         * tree-cfg.c (find_taken_edge_computed_goto): New function.
520         (find_taken_edge): Call find_taken_edge_computed_goto as
521         appropriate.  Allow any gimple invariant rather than just
522         INTEGER_CST for VAL.
523         (cleanup_control_flow): Cleanup a computed goto which has turned
524         into a simple goto.
525         (tree_merge_blocks): If block B has any forced labels, move
526         them to the start of block A.
527         * tree-ssa-dom.c (thread_across_edge): Allow threading across
528         computed gotos as well.
529         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
530         removal of unnecessary computed gotos too.
531         (lookup_redirection_data): Fix type of INSERT argument.  Callers
532         updated.
533
534 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
535
536         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
537         Remove trailing spaces.
538
539         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
540         unshare_all_trees): Make them static.
541         * tree-gimple.h: Remove the corresponding prototypes.
542
543         * diagnostic.h: Remove unused prototype
544         debug_output_buffer.
545         * modulo-sched.c: Remove unused prototype
546         set_row_column_for_ps.
547
548         * tree-ssa-phiopt.c (tree_ssa_phiopt,
549         replace_phi_edge_with_variable): Remove unused variable i.
550
551 2005-03-07  Per Bothner  <per@bothner.com>
552
553         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
554
555 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
556         
557         PR tree-opt/17671
558         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
559         bbs on the COND_EXPR instead of the PHI_NODEs.
560         (candidate_bb_for_phi_optimization): Remove.
561         (replace_phi_with_stmt): Rename to ...
562         (replace_phi_edge_with_variable): this and change so that we
563         replace the phi argument instead of removing the PHI.
564         (conditional_replacement): Change so we deal with PHI with more
565         than two arguments.
566         (value_replacement): Likewise.
567         (abs_replacement): Likewise.
568
569 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
570
571         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
572         output_e500_flip_gt_bit.
573
574         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
575         as bit 31.
576         (rs6000_generate_compare): Fix logic to look at the correct bits.
577         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
578         Look at GT bit.
579         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
580         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
581         gen_move_from_CR_gt_bit.
582
583         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
584         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
585         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
586
587         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
588         (E500_CR_IOR_COMPARE): New constant.
589
590 2005-03-08  Earl Chew <earl_chew@agilent.com>
591             David Billinghurst <David.Billinghurst@riotinto.com>
592
593         * config/i386/host-cygwin.c: New file to support precompiled
594         headers on cygwin
595         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
596         * config.host: Use above files for cygwin host.
597
598 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
599
600         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
601         ordering ops from earlier change.
602
603 2005-03-07  Per Bothner  <per@bothner.com>
604
605         Various fixes to allow us to again build if --enable-mapped-location:
606         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
607         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
608         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
609         local variable loc. Change logic appropriately.
610         * tree-vect-transform.c (vect_finish_stmt_generation): Use
611         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.    
612         * c-parser.c (c_parser_for_statement): Initialize loc variable.
613         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
614         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
615
616 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
617
618         PR rtl-optimization/19683
619         * reload1.c (choose_reload_regs): Pass the number of bits, not the
620         number of bytes, to smallest_int_for_mode.  Fix arguments to
621         REG_CANNOT_CHANGE_MODE_P.
622
623 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
624
625         * reorg.c (relax_delay_slots): Check that the jump is
626         conditional before trying to invert it.
627
628 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
629
630         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
631         Make them static.
632
633         * calls (stack_arg_under_construction): Make it static.
634
635         * flow.c (regs_live_at_setjmp): Make it static.
636         * flow.h: Remove the corresponding prototype.
637
638         * reload1.c (reload_startobj, reload_firstobj,
639         something_needs_operands_changed, reload_inherited,
640         reload_inheritance_insn, reload_override_in,
641         reload_spill_index): Make them static.
642
643         * recog.c (verify_changes): Make it static.
644         * recog.h: Remove the corresponding prototype.
645
646         * cfgbuild.c (find_sub_basic_blocks): Remove.
647         * basic-block.h: Remove the corresponding prototype.
648         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
649         in comments.
650         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
651
652         * tree-ssa-operands.c (check_build_stmt): Remove.
653
654         * stor-layout.c (set_alignment): Remove.
655         * tree.h: Remove the corresponding prototype.
656
657         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
658
659         * tree-ssa-dce.c (control_dependence_map,
660         visited_control_parents): Make them static.
661
662         * cfghooks.c (verify_flow_info): Remove local variable
663         num_bb_notes.
664
665         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
666         last_bb_seen.
667
668         * loop-unswitch.c (unswitch_loop): Remove local variable src.
669
670 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
671
672         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
673
674 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
675
676         * config/ia64/hpux.h (LINK_SPEC): Add -z.
677         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
678         PARALLEL for an empty structure.
679
680 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
681
682         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
683
684         * fold-const.c (fold_binary): Unroll the very first "for"
685         loop.
686
687 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
688
689         * config/rs6000/predicates.md (branch_comparison_operator): Remove
690         redundant match_code test.
691         (scc_comparison_operator): Swap match_operand and match_code
692         tests.
693         (branch_positive_comparison_operator): Same.
694         (trap_comparison_operator): Use comparison_operator and swap with
695         match_code test.
696
697 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
698
699         PR target/20288
700         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
701         (out_movhi_r_mr): Read low byte of volatile MEM first.
702         (out_movhi_mr_r): Write high byte of volatile MEM first.
703
704 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
705
706         * cselib.c (reg_values, reg_values_size): Make them static.
707
708         * cse.c (cse_reg_info_table): Make it static.
709
710         * fold-const.c (fold_unary): Use build1 instead of copy_node.
711
712 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
713
714         * cse.c (find_best_addr): Use canon_for_address.
715
716 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
717
718         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
719         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
720         SUBREG and MEM, respectively.
721
722         * fold-const.c (fold_binary): Use code instead of t.
723
724         * fold-const.c (optimize_minmax_comparison): Take decomposed
725         arguments code, type, op0, and op1 instead of t.
726         (fold_binary): Update a call to optimize_minmax_comparison.
727
728         * fold-const.c (fold_range_test): Take decomposed arguments
729         code, type, op0, and op1 instead of t.
730         (fold_binary): Update a call to fold_range_test.
731
732         * fold-const.c (fold_binary_op_with_conditional_arg): Take
733         decomposed arguments code, type, op0, and op1 instead of t.
734         (fold_binary): Update a call to fold_range_test.
735
736 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
737
738         * fold-const.c (fold_binary): Avoid directly using the original
739         expression t as much as possible.
740
741 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
742
743         * c-semantics.c (build_stmt): Use TYPE_P instead of
744         IS_NON_TYPE_CODE_CLASS.
745         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
746         (NON_TYPE_CHECK): Use TYPE_P instead of
747         IS_NON_TYPE_CODE_CLASS.
748
749         * fold-const.c (fold): Remove handling of binary expressions.
750
751 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
752
753         * doc/c-tree.texi: Wrap comments in @r{}.
754         * doc/cpp.texi: Likewise.
755         * doc/cppinternals.texi: Likewise.
756         * doc/extend.texi: Likewise.
757         * doc/md.texi: Likewise.
758         * doc/objc.texi: Likewise.
759         * doc/sourcebuild.texi: Likewise.
760         * doc/tm.texi: Likewise.
761         * doc/tree-ssa.texi
762
763 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
764
765         * predict.c (apply_return_prediction): Standardize PHI chain
766         walking.
767         * tree-ssa.c (ssa_redirect_edge): Likewise.
768
769         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
770         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
771         Update copyright.
772
773         * tree-phinodes.c (remove_phi_node): Drop the last argument.
774         * tree-flow.h: Adjust the prototype for remove_phi_node.
775         * lambda-code.c (perfect_nestify): Adjust a call to
776         remove_phi_node.
777         * tree-cfg.c
778         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
779         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
780         Likewise.
781         * tree-ssa-dce.c (remove_dead_phis): Likewise.
782         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
783         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
784         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
785
786         * combine.c (simplify_and_const_int): Use gen_int_mode instead
787         of GEN_INT (trunc_int_for_mode (...)).
788         * loop-iv.c (iv_number_of_iterations): Likewise.
789         * postreload.c (reload_cse_move2add): Likewise.
790         * simplify-rtx.c (simplify_const_unary_operation,
791         simplify_const_binary_operation): Likewise.
792         * stor-layout.c (get_mode_bounds): Likewise.
793
794         * fold-const.c (fold_binary): New.
795         (fold): Call fold_binary on binary expressions.
796
797 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
798
799         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
800         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
801         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
802         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
803         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
804
805 2005-03-04  Devang Patel  <dpatel@apple.com>
806         
807         PR tree-optimization/18815
808         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
809         loops with zero exit edges.
810
811 2005-03-04  Devang Patel  <dpatel@apple.com>
812
813         * doc/invoke.texi: Remove reference to webpage that does not exist.
814         
815 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
816             Joseph S. Myers  <joseph@codesourcery.com>
817
818         PR c++/19797
819         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
820         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
821         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
822         * pa.c (get_plabel): Change argument to symbol_ref.  Call
823         maybe_get_identifier instead of get_identifier.
824         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
825         (struct deferred_plabel): Replace name field with symbol field.
826         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
827         ASM_OUTPUT_EXTERNAL_REAL is defined.
828         (output_global_address): Use output_addr_const for output of all
829         symbol_refs.
830         (output_deferred_plabels): Use symbol_ref instead of name for address
831         output.
832         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
833         ASM_OUTPUT_SYMBOL_REF): New macros.
834         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
835         comment.
836         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
837         label.
838
839 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
840
841         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
842         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
843
844 2005-03-04  Jeff Law  <law@redhat.com>
845
846         * basic-block.h (rediscover_loops_after_threading): Declare.
847         * tree-ssa-dom.c: Include cfgloop.h.
848         (tree_ssa_dominator_optimize): Discover loops and some basic
849         properties.  Remove forwarder blocks recreated by loop header
850         canonicalization.  Also mark backedges in the CFG.
851         * tree-ssa-threadupdate.c: Include cfgloop.h
852         (rediscover_loops_after_threading): Define.
853         (struct local_info): New field, JUMP_THREADED.
854         (prune_undesirable_thread_requests): New function.
855         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
856         then record that fact for the callers of redirct_edges.
857         (thread_block): If BB has incoming backedges, then call
858         prune_undesirable_thraed_requests.    Note when we are
859         going to have to rediscover loop information.  Return a
860         boolean indicating if any jumps were threaded.
861         (thread_through_all_blocks): Bubble up boolean indicating
862         if any jumps were threaded.
863         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
864         (tree-ssa-threadupdate.o): Similarly.
865
866 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
867
868         * fold-const.c (fold_ternary): Unroll the "for" loop to
869         extract operands.  
870
871 2005-03-04  Andrew Haley  <aph@redhat.com>
872
873         * unwind-dw2-fde-glibc.c (struct
874         unw_eh_callback_data.check_cache): New field.
875         (frame_hdr_cache): New.
876         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
877         Cache frame header info.
878
879 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
880
881         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
882         (print_c_condition): Declare.
883         * read-rtl.c (ptr_loc): New structure.
884         (ptr_locs, ptr_loc_obstack, joined_conditions)
885         (joined_conditions_obstack): New variables.
886         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
887         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
888         (join_c_conditions, print_c_condition): New functions.
889         (apply_macro_to_string): Associate the new string with the same
890         source location as the old one.
891         (add_condition_to_string): Use join_c_conditions.
892         (read_string): Use set_rtx_ptr_loc to record a filename and line
893         number for the string.
894         (read_rtx): Initialize the new variables above.
895         * genattrtab.c (write_test_expr, write_attr_value): Use
896         print_c_condition.
897         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
898         comment above the GCC_VERSION check.
899         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
900         Inline the definition of MAYBE_EVAL.
901         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
902         * genoutput.c (process_template): Likewise.
903         * genpreds.c (write_predicate_subfunction): Likewise.
904         (write_predicate_expr): Use print_c_condition.
905         * genrecog.c (write_cond): Likewise.
906         * gensupport.c (process_rtx): Use join_c_conditions to join the
907         conditions of a define_insn_and_split.  Record a source location
908         for the string after the "&&".
909         (alter_test_for_insn): Use join_c_conditions.
910
911 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
912
913         Revert for now:
914         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
915         PR tree-optimization/15784
916         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
917         and -1 - A to ~A.
918
919 2005-03-04  Ben Elliston  <bje@au.ibm.com>
920
921         * gcc.c (option_map): Add --coverage.
922         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
923         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
924         * config/darwin.h: Pass -lgcov for `coverage'.
925         * doc/invoke.texi (Debugging Options): Document --coverage.
926
927 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
928
929         * gcse.c (bypass_block): Use find_edge wherever possible.
930
931 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
932
933         Fix PR debug/20253
934         
935         * c-opts.c (c_common_parse_file): Call start_source_file
936         and end_source_file at the approriate times.
937
938         * dwarf2out.c (dwarf2out_finish): Don't auto-end
939         the main file, it will be done for us now.
940         
941 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
942
943         * fold-const.c (fold_ternary): New.
944         (fold): Call fold_ternary on ternary expressions.  Remove
945         handling of ternary expressions.
946
947 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
948
949         PR tree-optimization/15784
950         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
951         and -1 - A to ~A.
952
953 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
954
955         * config/rs6000/predicates.md (branch_comparison_operator):
956         Convert from C block to conditional format.
957
958 2005-03-03  Jan Hubicka  <jh@suse.cz>
959
960         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
961         and non-constant public variables.
962
963 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
964
965         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
966         with LABEL_EXPR.
967
968         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
969         EDGE_I.
970
971         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
972         calls to release_ssa_name and release_phi_node.
973
974         * fold-const.c (fold): Remove handling of unary expressions.
975
976         * fold-const.c (fold_unary): Avoid directly using the original
977         expression t as much as possible.
978
979 2005-03-03  Roger Sayle  <roger@eyesopen.com>
980             Andrew Pinski  <pinskia@physics.uc.edu>
981
982         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
983         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
984
985 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
986
987         Describe special registers SRP and MOF as allocatable registers.
988         * config/cris/cris.c (cris_md_asm_clobbers): New function.
989         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
990         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
991         TARGET_HAS_MUL_INSNS.
992         (cris_print_operand) <case 'd'>: New case.
993         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
994         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
995         define.
996         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
997         (REG_ALLOC_ORDER): Update for MOF.
998         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
999         SPECIAL_REGS.
1000         (GENERAL_REGS): No longer a define of ALL_REGS.
1001         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
1002         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
1003         Adjust accordingly.
1004         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
1005         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
1006         (SECONDARY_RELOAD_CLASS): Define.
1007         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
1008         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
1009         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
1010         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
1011         (REGISTER_MOVE_COST): Define.
1012         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
1013         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
1014         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
1015         (CRIS_MOF_REGNUM): New define_constants.
1016         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
1017         special registers.
1018         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
1019         New patterns.
1020         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
1021         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
1022         Adjust for MOF being properly described as a register.
1023         (indir_to_reg_split): Name this split.  Conditionalize on the
1024         destination register being a general register.
1025         (movei): Conditionalize on on operands 0 and 1 having the same
1026         register class.
1027
1028 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
1029
1030         PR target/20277
1031         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
1032         -mcpu to override any other explicitly given flags.
1033
1034 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
1035
1036         * recog.c (verify_changes, confirm_change_group): New functions,
1037         broken out of apply_change_group.
1038         (apply_change_group): Use them.
1039         * recog.h (verify_change, confirm_change_group): Declare.
1040         * rtl.h (redirect_jump_2): Declare.
1041         * jump.c (redirect_exp, invert_exp): Delete.
1042         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
1043         (redirect_jump_2): New function, broken out of redirect_jump.
1044         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
1045         (invert_jump): Use invert_jump_1 and redirect_jump_2.
1046         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
1047
1048 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
1049
1050         * varasm.c (named_section): Use xstrdup rather than doing it by
1051         hand.
1052
1053         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
1054
1055 2005-03-02  Devang Patel  <dpatel@apple.com>
1056         
1057         Undo PR tree-optimization/18815 fix.
1058         
1059 2005-03-02  Devang Patel  <dpatel@apple.com>
1060
1061         PR tree-optimization/18815
1062         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
1063         loops with zero exit edges.
1064         
1065 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
1066
1067         * cfg.c (connect_src, connect_dest, disconnect_src,
1068         disconnct_dest): New.
1069         (unchecked_make_edge, remove_edge, redirect_edge_succ,
1070         redirect_edge_pred): Use the new functions.
1071
1072         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
1073         free_dominance_info only when needed.
1074
1075 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
1076
1077         PR target/20276
1078         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
1079         (reg_or_sub_cint64_operand): Same.
1080
1081 2005-03-02  Jeff Law  <law@redhat.com>
1082
1083         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
1084         CFG_ALTERED in the main DOM iteration loop.
1085
1086 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
1087
1088         PR c++/19916
1089         * varasm.c (initializer_constant_valid_p): Allow conversions
1090         between OFFSET_TYPEs.  Tidy.
1091
1092 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
1093
1094         * config/cris/cris.md ("return"): Remove epilogue delay list
1095         sanity check.
1096
1097 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
1098
1099         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
1100         for Thumb.
1101         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
1102
1103 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
1104
1105         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
1106         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
1107         config/m68k/m68k.c, config/mips/mips.h,
1108         config/rs6000/rs6000-protos.h, doc/contrib.texi,
1109         doc/include/gcc-common.texi: Update copyright.
1110
1111         PR middle-end/18029 and PR middle-end/18030
1112         * expr.c (optimize_bitfield_assignment_op): Add a special case
1113         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
1114
1115         * fold-const.c (fold_unary): New.
1116         (fold): Call fold_unary on unary expressions.
1117
1118 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
1119
1120         * cgraph.h (struct cgraph_edge): Add prev_caller and
1121         prev_callee fields.
1122         (cgraph_node_remove_callees): Export.
1123         * cgraph.c (cgraph_create_edge): Initialize prev_caller
1124         and prev_callee.
1125         (cgraph_edge_remove_callee): New function.
1126         (cgraph_edge_remove_caller): Likewise.
1127         (cgraph_remove_edge): Use.
1128         (cgraph_redirect_edge_callee): Likewise.
1129         (cgraph_node_remove_callees): New function.
1130         (cgraph_node_remove_callers): Likewise.
1131         (cgraph_remove_node): Use.
1132         * tree-optimize.c (tree_rest_of_compilation): Use
1133         cgraph_node_remove_callees instead of manual loop.
1134         * cgraphunit.c (cgraph_finalize_function): Likewise.
1135         (cgraph_expand_function): Likewise.
1136         (cgraph_remove_unreachable_nodes): Likewise.
1137
1138 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
1139
1140         PR c/8927
1141         * c-tree.h (undeclared_variable, build_external_ref): Add extra
1142         argument.
1143         * c-decl.c (undeclared_variable): Take location as argument.
1144         * c-typeck.c (build_external_ref): Likewise.
1145         * c-parser.c (c_parser_postfix_expression): Pass location of
1146         identifier to build_external_ref.
1147
1148 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
1149
1150         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
1151         CCEQ mode for branch_positive_comparison_operator test.
1152         * config/rs6000/predicates (branch_comparison_operator): Revert to
1153         define_predicate.
1154         (scc_comparison_operator): Same.
1155         (branch_positive_comparison_operator): Same.
1156
1157 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
1158
1159         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
1160         (cris_delay_slots_for_epilogue): Remove.
1161         (save_last): Move into cris_target_asm_function_epilogue.
1162         (cris_target_asm_function_epilogue): Remove tests for file being
1163         NULL.
1164         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
1165         (cris_delay_slots_for_epilogue): Remove prototypes.
1166         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
1167         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
1168
1169 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
1170
1171         * config/rs6000/predicates.md (branch_comparison_operator): Change
1172         to define_special_predicate.
1173         (scc_comparison_operator): Same.
1174         (branch_positive_comparison_operator): Same.
1175
1176 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
1177
1178         * Makefile.in (tree-ssa-sink.o): New.
1179         (OBJS-common): Add tree-ssa-sink.o.
1180         * common.opt: Add -ftree-sink
1181         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
1182         * timevar.def (TV_TREE_SINK): new timevar.
1183         * tree-flow.h (is_hidden_global_store): Prototype.
1184         * tree-optimize.c (init_tree_optimization_passes): Add
1185         pass_sink_code.
1186         * tree-pass.h (pass_sink_code): New.
1187         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
1188         for non-obvious global store store to is_hidden_global_store, and
1189         call that new function.
1190         * tree-ssa-sink.c: New file.
1191         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
1192         * doc/passes.texi: Document forward store motion.
1193         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
1194         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
1195         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
1196         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
1197
1198 2005-03-01  Per Bothner  <per@bothner.com>
1199
1200         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
1201         and we have a non-zero column-number, add it to the message.
1202         Also factor out the diagnostic_kind_text.
1203
1204 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
1205
1206         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
1207         flow_loop_pre_header_scan, flow_loop_pre_header_find,
1208         flow_loop_scan): Removed.
1209         (flow_loop_dump): Do not dump removed fields.
1210         (flow_loop_free): Do not free removed fields.
1211         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
1212         (loop_exit_edge_p): New function.
1213         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
1214         num_pre_header_edges, entry_edges, num_entries, exit_edges,
1215         num_exits, exits_doms.
1216         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
1217         LOOP_EDGES, LOOP_ALL): Removed.
1218         (flow_loop_scan): Declaration removed.
1219         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
1220         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
1221         flow_loops_find.
1222         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
1223         (if_convert): Call flow_loops_find and flow_loops_free
1224         when calling mark_loop_exit_edges.
1225         * cfgloopanal.c (mark_loop_exit_edges): Moved from
1226         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
1227         free_dominance_info calls.
1228         * loop-init.c (flow_loops_find): Ditto.
1229         * passes.c (rest_of_handle_branch_prob): Ditto.
1230         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
1231         * loop-unroll.c (analyze_insns_in_loop): Do not use
1232         EDGE_LOOP_EXIT.
1233         * predict.c (predict_loops): Do not call flow_loop_scan.
1234         Use get_loop_exit_edges.
1235         (tree_estimate_probability): Do not pass flags to flow_loops_find.
1236         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
1237         Do not use EDGE_LOOP_EXIT.
1238         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
1239         to bb_with_exit_edge_p.
1240         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
1241         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
1242         to bb_with_exit_edge_p.
1243         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
1244         EDGE_LOOP_EXIT.
1245         * tree-loop-linear.c (linear_transform_loops): Do not call
1246         flow_loop_scan.  Use loop->single_exit.
1247         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
1248         (vect_analyze_loop_form): Do not call flow_loop_scan.
1249         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
1250         loop->single_exit.
1251         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
1252         loop->single_exit.
1253         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
1254         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
1255         slpeel_tree_duplicate_loop_to_edge_cfg,
1256         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
1257         Use loop_preheader_edge and loop->single_exit.  Do not call
1258         flow_loop_scan.
1259
1260 2005-03-01  Nick Clifton  <nickc@redhat.com>
1261
1262         * config/arm/arm.c (thumb_find_work_register): Check all of the
1263         argument registers to see if they are free, and a couple of
1264         special cases where the last argument register but can be proved
1265         to be available during the function's prologue.
1266         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
1267         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
1268         thumb_unexpanded_epilogue): Use unsigned long as the type for the
1269         register bit-mask.
1270         (thumb_compute_save_reg_mask): Likewise.  Also use
1271         thumb_find_work_register() to ensure that there is agreement about
1272         which work register is going to be used in the prologue.
1273         (thumb_output_function_prologue): Use unsigned long as the type
1274         for the register bit-mask.  Also delay pushing the link register if
1275         other high registers are going to be pushed.
1276         (thumb_compute_save_reg_mask, emit_multi_reg_push,
1277         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
1278         redundant prototypes.
1279
1280 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
1281
1282         PR target/19819
1283         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
1284         and after reload in REG+REG indexed addresses without REG_POINTER
1285         set in the base and not set in the index.
1286
1287 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
1288
1289         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
1290         Don't undefine here.
1291         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
1292         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
1293         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
1294         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
1295         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
1296         Delete.
1297         * config.gcc (sh*-*-linux*): Use config/linux.h.
1298
1299 2005-02-28  Dale Johannesen  <dalej@apple.com>
1300             Stan Shebs  <shebs@apple.com>
1301
1302         Rewrite of 64-bit Darwin structure-by-value pass/return.
1303         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
1304         intoffset, use_stack, named.
1305         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
1306         (rs6000_darwin64_record_arg_advance_flush):  New.
1307         (rs6000_darwin64_record_arg_advance_recurse): New.
1308         (rs6000_darwin64_record_arg_flush):  New.
1309         (rs6000_darwin64_record_arg_recurse):  New.
1310         (rs6000_darwin64_record_arg):  New.
1311         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
1312         (function_arg_boundary):  Handle 128-bit aligned structs.
1313         (function_arg_advance):  Rewrite darwin64 struct handling.
1314         (function_arg):  Call rs6000_darwin64_record_arg.
1315         (function_arg_partial_nregs):  Handle darwin64 structs.
1316         (rs6000_darwin64_function_value):  Remove.
1317         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
1318
1319 2005-02-28  Roger Sayle  <roger@eyesopen.com>
1320
1321         PR tree-optimization/20216
1322         * tree-chrec.c (tree_fold_factorial): Delete.
1323         (tree_fold_binomial): Change argument list to take a return type
1324         and change the type of K to unsigned int.  Rewrite to avoid explicit
1325         evaluation of factorials, and (recursively) calling fold to perform
1326         compile-time arithmetic.  Return NULL on (internal) overflow.
1327         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
1328         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
1329         if any intermediate calculation overflows.
1330         (chrec_apply): Update call to chrec_evaluate.
1331
1332 2005-02-28  James E Wilson  <wilson@specifixinc.com>
1333
1334         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
1335
1336 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
1337
1338         PR c/20245
1339         * c-parser.c (c_parser_compound_statement): Return error_mark_node
1340         instead of NULL_TREE on error.
1341
1342 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
1343
1344         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
1345         (EASY_VECTOR_15_ADD_SELF): Remove.
1346         (num_insns_constant_wide): Not static.
1347         (validate_condition_mode): Not static.
1348         (toc_relative_expr_p): Not static.
1349         (legitimate_indirect_address_p): Not static.
1350         (macho_lo_sum_memory_operand): Not static.
1351         (invalid_e500_subreg): Not static.
1352         (easy_vector_same): Not static.
1353         (easy_vector_splat_const): Not static.
1354         (RS6000_SYMBOL_REF_TLS_P): Remove.
1355         (any_operand): Delete.
1356         (any_parallel_operand): Delete.
1357         (count_register_operand): Delete.
1358         (altivec_register_operand): Delete.
1359         (xer_operand): Delete.
1360         (s8bit_cint_operand): Delete.
1361         (short_cint_operand): Delete.
1362         (u_short_cint_operand): Delete.
1363         (non_short_cint_operand): Delete.
1364         (exact_log2_cint_operand): Delete.
1365         (gpc_reg_operand): Delete.
1366         (cc_reg_operand): Delete.
1367         (cc_reg_not_cr0_operand): Delete.
1368         (reg_or_short_operand): Delete.
1369         (reg_or_neg_short_operand): Delete.
1370         (reg_or_aligned_short_operand): Delete.
1371         (reg_or_u_short_operand): Delete.
1372         (reg_or_cint_operand): Delete.
1373         (reg_or_arith_cint_operand): Delete.
1374         (reg_or_add_cint64_operand): Delete.
1375         (reg_or_sub_cint64_operand): Delete.
1376         (reg_or_logical_cint_operand): Delete.
1377         (got_operand): Delete.
1378         (got_no_const_operand): Delete.
1379         (easy_fp_constant): Delete.
1380         (easy_vector_constant): Delete.
1381         (easy_vector_constant_add_self): Delete.
1382         (zero_constant): Delete.
1383         (zero_fp_constant): Delete.
1384         (volatile_mem_operand): Delete.
1385         (offsettable_mem_operand): Delete.
1386         (mem_or_easy_const_operand): Delete.
1387         (add_operand): Delete.
1388         (non_add_cint_operand): Delete.
1389         (logical_operand): Delete.
1390         (non_logical_cint_operand): Delete.
1391         (mask_operand): Delete.
1392         (mask_operand_wrap): Delete.
1393         (mask64_operand): Delete.
1394         (mask64_2_operand): Delete.
1395         (and64_operand): Delete.
1396         (and64_2_operand): Delete.
1397         (and_operand): Delete.
1398         (reg_or_mem_operand): Delete.
1399         (lwa_operand): Delete.
1400         (symbol_ref_operand): Delete.
1401         (call_operand): Delete.
1402         (current_file_function_operand): Delete.
1403         (input_operand): Delete.
1404         (rs6000_nonimmediate_operand): Delete.
1405         (rs6000_tls_symbol_ref): Delete.
1406         (save_world_operation): Delete.
1407         (restore_world_operation): Delete.
1408         (load_multiple_operation): Delete.
1409         (store_multiple_operation): Delete.
1410         (vrsave_operation): Delete.
1411         (mfcr_operation): Delete.
1412         (mtcrf_operation): Delete.
1413         (lmw_operation): Delete.
1414         (stmw_operation): Delete.
1415         (branch_comparison_operator): Delete.
1416         (branch_positive_comparison_operator): Delete.
1417         (scc_comparison_operator): Delete.
1418         (trap_comparison_operator): Delete.
1419         (boolean_operator): Delete.
1420         (boolean_or_operator): Delete.
1421         (min_max_operator): Delete.
1422         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
1423         (EASY_VECTOR_15): Moved to here.
1424         (EASY_VECTOR_15_ADD_SELF): Move to here.
1425         (PREDICATE_CODES): Delete.
1426         * config/rs6000/rs6000-protos.h: Delete predicate functions.
1427         Declare functions no longer static.
1428         * config/rs6000/predicates.md: New.
1429         * config/rs6000/rs6000.md: Include predicates.md
1430
1431 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
1432
1433         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
1434         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
1435         REG_ALWAYS_RETURN.
1436         * cfgrtl.c (need_fake_edge_p): Likewise.
1437         * combine.c (distribute_notes): Likewise.
1438         * emit-rtl.c (try_split): Likewise.
1439         * recog.c (peephole2_opimize): Likewise.
1440         * reg-notes.def (ALWAYS_RETURN): Remove.
1441         * rtl.h (LCT_ALWAYS_RETURN): Remove.
1442         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
1443         * tree.h (ECF_ALWAYS_RETURN): Remove.
1444
1445 2005-02-28  Roger Sayle  <roger@eyesopen.com>
1446
1447         PR middle-end/19874
1448         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
1449         between different machine modes is never a "useless" conversion.
1450
1451 2005-02-28  Geert Bosch  <bosch@gnat.com>
1452
1453         PR ada/15977
1454         * doc/contrib.texi: List contributors for Ada front end
1455
1456 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
1457
1458         * simplify-rtx.c (simplify_unary_operation_1,
1459         simplify_const_unary_operation): New, extracted from...
1460         (simplify_unary_operation): ... this one.
1461         (simplify_binary_operation_1,
1462         simplify_const_binary_operation): New, extracted from...
1463         (simplify_binary_operation): ... this one.
1464         * rtl.h (simplify_const_unary_operation,
1465         simplify_const_binary_operation): Add prototypes.
1466
1467 2005-02-28  Julian Brown  <julian@codesourcery.com>
1468
1469         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
1470         building libjava and caused PR regression/20228.
1471
1472 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
1473
1474         PR bootstrap/17383
1475         * Makefile.in (host_subdir): New.
1476         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
1477         * configure: Regenerate.
1478
1479 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
1480
1481         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
1482         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
1483         installation directory first.
1484
1485 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
1486
1487         PR target/19065.
1488         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
1489         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
1490         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
1491         * config/cris/cris.md: Tweak comments referring to Q.
1492         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
1493         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
1494         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
1495         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
1496         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
1497         Insert spaces in constraints to align alternatives vertically for
1498         readability.
1499         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
1500         operand 1: "M".
1501
1502 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1503
1504         PR rtl-optimization/17728
1505         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
1506         operand 0 from general_operand to move_dest_operand.
1507
1508 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1509
1510         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
1511         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
1512         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
1513         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
1514
1515 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
1516
1517         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
1518         * configure: Regenerate.
1519         * libada-mk.in: Remove CC; rename
1520         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
1521
1522 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
1523
1524         PR tree-opt/20188
1525         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
1526         for the lhs, also walk over the tree.  Likewise for rhs.
1527
1528 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
1529
1530         * tree-ssa-dom.c (simple_iv_increment_p): New function.
1531         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
1532         Do not propagate value of iv before increment over the increment.
1533
1534 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
1535
1536         * c-parser.c: New file.
1537         * c-parse.in: Remove.
1538         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
1539         Remove.
1540         (c-parser.o): Add dependencies.
1541         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
1542         maintainer-clean, TAGS): Update.
1543         * c-config-lang.in (gtfiles): Update.
1544         * gengtype-lex.l: Don't handle "@@".
1545         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
1546         objc_build_synchronized, objc_begin_try_stmt,
1547         objc_begin_catch_clause, objc_finish_catch_clause,
1548         objc_build_finally_clause, objc_finish_try_stmt): New.
1549         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
1550         type_seen_p.
1551         (c_parse_init): Update comment.
1552         * c-decl.c (c_init_decl_processing): Update comment.
1553         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
1554         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
1555         new c_declspecs members.
1556
1557 2005-02-25  Julian Brown  <julian@codesourcery.com>
1558
1559         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
1560         from being used for symbols with vague linkage when
1561         HAVE_GAS_COMDAT_GROUP is true.
1562
1563 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
1564
1565         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
1566
1567 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
1568
1569         PR target/19930
1570         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
1571         (LIBGCC2_HAS_DF_MODE): New.
1572         (LIBGCC2_HAS_XF_MODE): New.
1573         (LIBGCC2_HAS_TF_MODE): New.
1574         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
1575         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
1576         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
1577         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
1578         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
1579         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
1580         and add _fixtfdi, _fixunstfdi, _floatditf
1581         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
1582         L_fixunstfdi, L_floatditf.
1583         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
1584         (LIBGCC2_HAS_TF_MODE): Define.
1585
1586 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
1587
1588         PR tree-optimization/20204
1589         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
1590         REWRITE_THIS_STMT markers on PHI nodes.
1591         (rewrite_initialize_block): Likewise.
1592
1593 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
1594
1595         * version.c (version_string): Update to 4.1.
1596
1597 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
1598
1599         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
1600         Clarify that the alternative way doesn't work in GNU C++.
1601
1602 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
1603
1604         PR tree-optimization/19937
1605         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
1606         to the type of the induction variable.
1607
1608 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
1609
1610         PR rtl-optimization/20117
1611         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
1612         the block including noncopyable insn.
1613
1614 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
1615
1616         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
1617         calls to find_reg_note.
1618
1619 2005-02-24  Richard Henderson  <rth@redhat.com>
1620
1621         PR tree-opt/20127
1622         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
1623         the type.
1624
1625 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
1626
1627         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
1628         vector types if to use base reg for misaligned non-word ld/std.
1629
1630 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
1631
1632         PR target/14619
1633         * config/cris/cris.c (cris_target_asm_function_prologue): Create
1634         dwarf2 label manually and put it after, not before the prologue.
1635
1636 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
1637
1638         PR target/19019
1639         * reload.c (operands_match_p): Only increment register number for
1640         SCALAR_INT_MODE_P modes in multiple hard registers.
1641
1642         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
1643         Fix formatting.
1644
1645 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1646
1647         * ChangeLog.5: Fix log message typo(s).
1648         * ChangeLog.7: Likewise.
1649         * ChangeLog.tree-ssa: Likewise.
1650         * cfgexpand.c: Fix comment typo(s).
1651         * conflict.c: Likewise.
1652         * defaults.h: Likewise.
1653         * dwarf2out.c: Likewise.
1654         * gcse.c: Likewise.
1655         * ggc-page.c: Likewise.
1656         * tree-eh.c: Likewise.
1657         * tree-ssa-dom.c: Likewise.
1658
1659 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
1660
1661         PR target/19019
1662         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
1663         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
1664         if SHARED is defined.
1665
1666         PR target/20196
1667         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
1668         allow splitting only if operands 0 and 3 don't overlap.
1669
1670 2005-02-24  Richard Henderson  <rth@redhat.com>
1671
1672         PR middle-end/19953
1673         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
1674         (fold_builtin_1): Call them.
1675         * fold-const.c (fold_complex_mult_parts): Split out from ...
1676         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
1677         (fold_complex_div_parts, fold_complex_div): New.
1678         (fold): Use them.
1679         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
1680
1681 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1682
1683         * tree-ssa-ccp.c (visit_assignment): Verify that result of
1684         VIEW_CONVERT_EXPR is_gimple_min_invariant.
1685
1686         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
1687         (print_node): Likewise.
1688         Print TYPE_SIZES_GIMPLIFIED.
1689
1690 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
1691
1692         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
1693         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
1694         operands as commutative in constraints.
1695
1696 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
1697
1698         * tree-into-ssa.c: Re-organize internal functions.
1699
1700 2005-02-24  Richard Henderson  <rth@redhat.com>
1701
1702         PR middle-end/18902
1703         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
1704         for c99.
1705         * common.opt (fcx-limited-range): New.
1706         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
1707         * toplev.c (flag_complex_method): Initialize to 1.
1708         (process_options): Set flag_complex_method to 0 if
1709         flag_cx_limited_range.
1710         * doc/invoke.texi (-fcx-limited-range): New.
1711
1712 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
1713
1714         * cse.c (delete_trivially_dead_insns): Speed up by using
1715         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
1716         prev_real_insn.
1717
1718 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
1719
1720         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
1721         functions when -mid-shared-library is being used.
1722
1723 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
1724
1725         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
1726         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
1727         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
1728         * system.h: Poison LINK_LIBGCC_SPECIAL.
1729
1730 2005-02-23  James E Wilson  <wilson@specifixinc.com>
1731
1732         * gengtype.c (note_insn_name): Make 1 element larger.
1733
1734 2005-02-23  Roger Sayle  <roger@eyesopen.com>
1735
1736         PR target/20018
1737         PR rtl-optimization/20097
1738         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
1739         BImode SUBREGs of SImode registers which confuse the ia64 backend.
1740
1741 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
1742
1743         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
1744         * t-aix52 (SHLIB_INSTALL): Same.
1745
1746 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
1747
1748         * genpreds.c: Update copyright.
1749
1750 2005-02-23  Michael Beach  <michaelb@ieee.org>
1751
1752         PR target/20159
1753         * config/sparc/t-elf (startup files): Assemble with CPP.
1754
1755 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
1756
1757         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
1758         (write_predicate_expr): Likewise.
1759
1760 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
1761
1762         PR tree-optimization/20100
1763         PR tree-optimization/20115
1764         * tree-optimize.c (init_tree_optimization_passes): Remove
1765         pass_maybe_create_global_var.
1766         * tree-pass.h (pass_maybe_create_global_var): Remove.
1767         * tree-ssa-alias.c (aliases_computed_p): Declare.
1768         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
1769         (count_calls_and_maybe_create_global_var): Remove.
1770         (pass_maybe_create_global_var): Remove.
1771         (init_alias_info): Do not declare aliases_computed_p.
1772         (maybe_create_global_var): If the function contains no
1773         call-clobbered variables and a mix of pure/const and regular
1774         function calls, create .GLOBAL_VAR.
1775         Mark all call-clobbered variables for renaming.
1776         (merge_pointed_to_info): Update comment.
1777         (add_pointed_to_var): Likewise.
1778         (is_escape_site): Likewise.
1779         Accept struct alias_info * instead of size_t *.
1780         Update all users.
1781         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
1782         as necessary.
1783         * tree-ssa-operands.c (get_call_expr_operands): If
1784         ALIASES_COMPUTED_P is false, do not add call-clobbering
1785         operands.
1786         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
1787         (delete_tree_ssa): Likewise.
1788
1789 2005-02-22  James E Wilson  <wilson@specifixinc.com>
1790
1791         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
1792         (do_compile): Do call it here.
1793
1794 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
1795
1796         PR rtl-optimization/20017.
1797         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
1798         rest_of_handle_cse2, rest_of_handle_gcse): Call
1799         delete_dead_jumptables immediately before calling cleanup_cfg.
1800
1801 2005-02-22  Devang Patel  <dpatel@apple.com>
1802
1803         PR 19952
1804         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
1805         all labels
1806
1807 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
1808
1809         * config/rs6000/aix.h (WINT_TYPE): Define.
1810
1811 2005-02-22  Stan Shebs  <shebs@apple.com>
1812
1813         * config/rs6000/rs6000.c (rs6000_override_options): Default to
1814         natural alignment for 64-bit Darwin.
1815         (rs6000_parse_alignment_option): Warn about uses of -malign-power
1816         on 64-bit Darwin.
1817         * doc/invoke.texi: Document this.
1818
1819 2005-02-22  DJ Delorie  <dj@redhat.com>
1820
1821         * c-common.c (c_common_type_for_mode): Pass the mode's precision
1822         to make_[un]signed_type, not the mode itself.
1823
1824 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
1825
1826         * cfg.c (cached_make_edge): Call make_edge if edge cache is
1827         not available.  Use tail calls wherever possible.
1828         (make_edge): Call unchecked_make_edge to create an edge.
1829
1830         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
1831         (coalesce_ssa_name): Don't check for
1832         SSANORM_USE_COALESCE_LIST.
1833         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
1834
1835 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
1836
1837         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
1838         (rewrite_into_ssa): ... here.
1839
1840 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
1841
1842         PR tree-optimization/19786
1843         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
1844         tag to another's may-alias bitmap when adding to the other's list.
1845
1846 2005-02-21  DJ Delorie  <dj@redhat.com>
1847
1848         * tree-ssa-loop-ivopts.c (computation_cost): Start register
1849         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
1850         registers in unsupported ways.
1851         * expmed.c (init_expmed): Likewise.
1852
1853 2005-02-21  Stan Cox  <scox@redhat.com>
1854
1855         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
1856
1857 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
1858
1859         * tree-cfg.c (fold_cond_expr_cond): New.
1860         (make_edges): Call fold_cond_expr_cond.
1861         (find_taken_edge): Accept nothing but INTEGER_CST.
1862         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
1863         and 1.
1864         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
1865
1866         * flow.c (delete_dead_jumptables): Speed up by scanning insns
1867         that do not belong to any basic block.
1868
1869 2005-02-21  Jeff Law  <law@redhat.com>
1870
1871         * cfganal.c (find_unreachable_blocks): Manually CSE load of
1872         e->dest.
1873
1874 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
1875
1876         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
1877         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
1878         Adjust their definitions.
1879         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
1880         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
1881
1882         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
1883         genautomata.c, langhooks.c, langhooks.h, system.h,
1884         config/arm/lib1funcs.asm: Update copyright.
1885
1886 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
1887
1888         * dbxout.c (dbxout_function_end): Emit Lscope label always.
1889
1890 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
1891
1892         PR bootstrap/13770
1893         * doc/install.texi: Document --with-gc.
1894
1895 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
1896
1897         * simplify-rtx.c (simplify_unary_operation): Add a missing
1898         "break" statement.
1899
1900 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
1901
1902         PR tree-optimization/18663
1903         * tree-ssa-dom.c (extract_range_from_cond): Return 0
1904         if the type has variable bounds.
1905
1906 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
1907
1908         * gcse.c: Remove an obsolete comment.
1909
1910         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
1911
1912 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
1913
1914         * doc/extend.texi (Function Attributes) <Attribute const>: The
1915         attribute "pure" is below this text, not above.
1916
1917 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1918
1919         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
1920         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
1921         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
1922
1923 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
1924
1925         PR 18785
1926         * langhooks.h (struct lang_hooks): Add to_target_charset.
1927         * langhooks.c (lhd_to_target_charset): New function.
1928         * langhooks-def.h: Declare lhd_to_target_charset.
1929         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
1930         (LANG_HOOKS_INITIALIZER): Update.
1931         * c-common.c (c_common_to_target_charset): New function.
1932         * c-common.h: Declare it.
1933         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
1934         c_common_to_target_charset.
1935
1936         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
1937         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
1938         Delete definitions.
1939         * system.h: Poison them.
1940         * doc/tm.texi: Don't discuss them.
1941         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
1942         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
1943         (pp_c_char): Do not attempt to generate letter escapes for
1944         newline, tab, etc.
1945         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
1946         * config/mips/mips.c (mips_output_ascii): Likewise.
1947
1948 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
1949
1950         PR tree-optimization/19951
1951         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
1952         is abnormal.
1953
1954 2005-02-19  Steven Bosscher  <stevenb@suse.de>
1955
1956         PR middle-end/19698
1957         * function.h (struct function): New field `max_loop_depth'.
1958         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
1959         (flow_loops_find): Reset the max loop depth count before finding loops.
1960         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
1961         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
1962         (calculate_global_regs_live): Make sure the loop will terminate
1963         when the initial sets are not empty.
1964
1965 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
1966
1967         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
1968         object inside.
1969         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
1970
1971 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
1972
1973         PR other/19525
1974         * doc/invoke.texi: Remove documentation of %M spec.
1975         * gcc.c: Likewise.
1976         (init_spec): Remove %M suffix from -lgcc_s.
1977         (do_spec_1): Remove 'M' case.
1978         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
1979         to put shared libraries in the multilib directory.  Remove the
1980         shlib_so_soname substitution variable.  Don't add a multilib encoding
1981         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
1982         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
1983         SHLIB_INSTALL as well as SHLIB_LINK.
1984         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
1985         (SHLIB_NAME): Delete.
1986         (SHLIB_DIR): New macro.
1987         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
1988         (SHLIB_INSTALL): Adjust accordingly.
1989         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
1990         * config/t-slibgcc-sld: Likewise.
1991         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
1992         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
1993         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
1994         in $(SHLIB_DIR).
1995         (SHLIBUNWIND_INSTALL): Adjust accordingly.
1996         * config/i386/t-nwld (SHLIB_SONAME): Delete.
1997         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
1998         Use @shlib_base_name@ instead of @shlib_so_name@.
1999         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
2000         and @shlib_base_name@.so in @multilib_dir@.
2001         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
2002         to the install path.
2003         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
2004         (SHLIB_LINK): Remove previous workaround.
2005         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
2006         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
2007         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
2008         the install path.
2009         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
2010         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
2011         (SHLIB_INSTALL): Adjust accordingly.
2012         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
2013         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
2014         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
2015         config/t-slibgcc-elf-ver.
2016
2017 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
2018             Jakub Jelinek  <jakub@redhat.com>
2019
2020         PR tree-optimization/19828
2021         * tree-ssa-loop-im.c: Add a TODO comment.
2022         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
2023         without side-effects.
2024
2025 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
2026
2027         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
2028         call fold_convert.
2029
2030 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
2031
2032         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
2033         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
2034         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
2035         functions.
2036         (ia64_reorg): Delete fixup_errata call.
2037         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
2038         (TARGET_SWITCHES): Delete -mb-step entry.
2039
2040 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
2041
2042         PR c/20043
2043         * c-typeck.c (composite_type): Handle quals in transparent unions.
2044         (type_lists_compatible_p): Likewise.
2045
2046 2005-02-18  Stan Shebs  <shebs@apple.com>
2047
2048         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
2049         expressions in the .literal8 section.
2050
2051 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
2052
2053         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
2054
2055 2005-02-18  Roger Sayle  <roger@eyesopen.com>
2056
2057         * fold-const.c (constant_boolean_node): Always create values of the
2058         specified type, don't bother calling truthvalue_conversion.
2059
2060 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
2061
2062         * except.c (output_function_exception_table): Call
2063         assemble_external_libcall (eh_personality_libfunc).
2064
2065 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
2066
2067         PR target/19886
2068         * config/ia64/ia64.h (struct machine_function): Add state_num.
2069         * config/ia64/ia64.c (process_epilogue,
2070         process_for_unwind_directive): Use new unwind state numbers each
2071         time rather than state 1.
2072
2073 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
2074
2075         PR target/20054
2076         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
2077         before the "*llgt_didi" pattern.
2078
2079 2005-02-18  Jason Merrill  <jason@redhat.com>
2080
2081         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
2082
2083 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
2084
2085         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
2086         (div0): Use it in place of ARM_FUNC_ALIAS.
2087         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
2088
2089 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
2090
2091         PR middle-end/20030
2092         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
2093         access, the lower bound of the array type if it exists.
2094
2095 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
2096
2097         PR c++/20008
2098         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
2099         cases that are out-of-range for the index type.
2100
2101 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
2102
2103         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
2104         (estimate_case_costs): Don't call convert.
2105         * expmed.c (expand_shift): Likewise.
2106         (make_tree): Call fold_convert instead of convert.
2107
2108 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
2109
2110         PR c++/19813
2111         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
2112         that ref to be marked MEM_READONLY_P doesn't have base that needs
2113         constructing.
2114
2115 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
2116
2117         * genautomata.c (output_get_cpu_unit_code_func,
2118         output_cpu_unit_reservation_p): Don't generate old-style function
2119         definitions.
2120
2121 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
2122
2123         PR c++/20023
2124         PR tree-optimization/20009
2125         * convert.c (convert_to_integer): Revert 2005-02-16 change.
2126
2127         PR tree-optimization/18947
2128         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
2129         inline, remove all nodes that are inlined into the extern inline
2130         being redefined.
2131
2132 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
2133
2134         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
2135         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
2136         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
2137         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
2138         Update copyright.
2139
2140 2005-02-17  Roger Sayle  <roger@eyesopen.com>
2141
2142         PR tree-optimization/19917
2143         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
2144         to be potentially trapping.
2145
2146 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
2147
2148         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
2149
2150 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
2151
2152         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
2153         tem becomes a local variable which is set to the value of the
2154         back end defined INITIAL_FRAME_ADDRESS macro.
2155         (expand_builtin_frame_address): Omit the base parameter to
2156         expand_builtin_return_addr.
2157         (expand_builtin_profile_func): Likewise.
2158         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
2159         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
2160         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
2161
2162 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
2163
2164         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
2165         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
2166         * config/frv/frv.c (frv_function_epilogue): Likewise.
2167
2168 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
2169
2170         * lambda-code (perfect_nestify): Remove mark/unmark
2171         for rewriting hack.
2172         * tree-loop-linear.c (linear_transform_loops): Add
2173         rewrite_into_ssa call so that ssa is correct for
2174         rewriting into loop closed.
2175
2176 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
2177
2178         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
2179         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
2180         BITMAP_FREE.
2181         * bt-load.c (btr_def_live_range, combine_btr_defs,
2182         migrate_btr_def, migrate_btr_defs): Likewise.
2183         * cfgcleanup.c (thread_jump): Likewise.
2184         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
2185         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
2186         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
2187         df_rd_local_compute, df_reg_info_compute): Likewise.
2188         * dominance.c (init_dom_info, free_dom_info): Likewise.
2189         * flow.c (init_propagate_block_info,
2190         free_propagate_block_info): Likewise.
2191         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
2192         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
2193         modify_reg_pav): Likewise.
2194         * loop-invariant.c (find_defs, find_invariant_insn,
2195         find_invariants, free_inv_motion_data): Likewise.
2196         * predict.c (tree_predict_by_opcode,
2197         estimate_bb_frequencies): Likewise.
2198         * stmt.c (expand_case): Likewise.
2199         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
2200         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
2201         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
2202         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
2203         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
2204         rewrite_ssa_into_ssa): Likewise.
2205         * tree-optimize.c (tree_rest_of_compilation): Likewise.
2206         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
2207         analyze_edges_for_bb, perform_edge_inserts): Likewise.
2208         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
2209         * tree-sra.c (tree_sra): Likewise.
2210         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
2211         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
2212         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
2213         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
2214         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
2215         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
2216         Likewise.
2217         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
2218         calculate_live_on_entry, calculate_live_on_exit,
2219         build_tree_conflict_graph): Likewise.
2220         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
2221         record_important_candidates, set_use_iv_cost, find_depends,
2222         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
2223         tree_ssa_iv_optimize_finalize): Likewise.
2224         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
2225         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
2226         tree_duplicate_loop_to_header_edge): Likewise.
2227         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
2228         * tree-ssa.c (verify_flow_insensitive_alias_info,
2229         verify_name_tags, verify_ssa, init_tree_ssa,
2230         delete_tree_ssa): Likewise.
2231         * tree-ssanames.c (marked_ssa_names, init_ssanames,
2232         fini_ssanames): Likewise.
2233         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
2234
2235 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
2236
2237         * config/rs6000/t-rtems: Completely reworked.
2238
2239 2005-02-17  Ira Rosen  <irar@il.ibm.com>
2240
2241         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
2242
2243 2005-02-17  Ira Rosen  <irar@il.ibm.com>
2244
2245         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
2246         POINTER_TYPE_P when checking that type is a pointer.
2247         (vect_get_memtag): Remove.
2248         (vect_address_analysis): Use POINTER_TYPE_P. Call
2249         vect_object_analysis with dummy parameter for memtag.
2250         (vect_object_analysis): Extract memtag (functionality that
2251         used to be in vect_get_memtag and moved here). Fix printings.
2252         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
2253         with correct parameters. Remove call to vect_get_memtag.
2254
2255 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
2256
2257         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
2258         (tree-vectorizer.o): Added missing dependencies.
2259
2260         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
2261         decleration.
2262         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
2263         declaration in tree-vectorizer.c, now has an extern declaration in
2264         tree-vectorizer.h).
2265         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
2266         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
2267         get_vectype_for_scalar_type, vect_is_simple_use,
2268         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
2269         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
2270         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
2271         vectorizable_store, vectorizable_operation, vectorizable_assignment,
2272         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
2273         find_loop_location): Likewise.
2274
2275         * tree-vectorizer.c (langhooks.h): #include removed.
2276         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
2277         moved to tree-vectorized.h.
2278         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
2279         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
2280         get_vectype_for_scalar_type, vect_is_simple_use,
2281         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
2282         vect_supportable_dr_alignment, new_loop_vec_info,
2283         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
2284         vect_set_verbosity_level, find_loop_location): Likewise.
2285
2286         (vect_analyze_loop): Function externalized. Declaration moved to
2287         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
2288         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
2289         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
2290         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
2291         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
2292         vect_enhance_data_refs_alignment, vect_analyze_operations,
2293         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
2294         vect_stmt_relevant_p, vect_get_loop_niters,
2295         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
2296         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
2297         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
2298         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
2299         vect_get_memtag): Likewise.
2300
2301         (vectorizable_load): Function externalized. Declaration moved to
2302         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
2303         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
2304         vect_transform_loop): Likewise.
2305         (vect_transform_stmt): Moved to tree-vect-transform.c.
2306         (vect_align_data_ref, vect_create_destination_var,
2307         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
2308         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
2309         vect_get_vec_def_for_operand, vect_init_vector,
2310         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
2311         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
2312         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
2313         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
2314         vect_do_peeling_for_loop_bound): Likewise.
2315
2316         * tree-vect-analyze.c: New file.
2317         * tree-vect-transform.c: New file.
2318
2319 2005-02-17  Jason Merrill  <jason@redhat.com>
2320
2321         PR mudflap/19319, c++/19317
2322         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
2323         slot explicit.
2324
2325 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
2326
2327         * doc/install.texi (Specific): Update link for Darwin-specific
2328         tool binary site.
2329
2330 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
2331
2332         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
2333         constant_boolean_node.
2334
2335 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
2336
2337         PR target/19019
2338         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
2339         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
2340
2341 2005-02-16  Richard Henderson  <rth@redhat.com>
2342
2343         PR 19920
2344         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
2345         with W_TYPE_SIZE.
2346         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
2347         replace uses with Wtype_MAXp1_F.
2348         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
2349         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
2350         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
2351         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
2352         and HAVE_TFMODE as appropriate.
2353         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
2354         (__floatdisf): Likewise.
2355         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
2356         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
2357         (Wtype_MAXp1_F): New.
2358         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
2359         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
2360
2361 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
2362
2363         * PR target/19162
2364         * arm.c (arm_apply_result_size): New function.
2365         * arm.h (APPLY_RESULT_SIZE): Define.
2366         * arm-protos.h (arm_apply_result_size): Add prototype.
2367         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
2368         (movxf): New expand.
2369         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
2370         (call_value_symbol): Remove predicate for operand 0.
2371         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
2372         (untyped_call): Rework to correclty return values for any type.
2373         (untyped_return): New expand.
2374         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
2375
2376 2005-02-16  Stan Shebs  <shebs@apple.com>
2377
2378         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
2379         * config/rs6000/t-darwin8: New, for 64-bit multilib.
2380
2381 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
2382
2383         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
2384         configure settings on Solaris 7 and later.
2385
2386 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
2387
2388         PR tree-optimization/19865
2389         * tree-optimize.c (init_tree_optimization_passes): Run
2390         pass_may_alias after pass_sra.
2391
2392 2005-02-16  Richard Henderson  <rth@redhat.com>
2393             Stuart Hastings  <stuart@apple.com>
2394
2395         PR debug/19521
2396         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
2397         Do nothing if debug info suppressed for this function.
2398         (dbxout_begin_function): Early exit if debug info suppressed for
2399         this function.
2400
2401 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
2402
2403         PR target/20007
2404         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
2405         find_basic_blocks.
2406         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
2407
2408         PR tree-optimization/19967
2409         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
2410         expand_builtin_strchr, expand_builtin_strrchr): Take a new
2411         argument TYPE.  Adjust calls to fold_builtin_XXX.
2412         (expand_builtin, fold_builtin_1): Adjust calls to
2413         expand_builtin_XXX.
2414         (fold_builtin_strchr, fold_builtin_strpbrk,
2415         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
2416         result to a requested type TYPE.
2417
2418 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
2419
2420         PR middle-end/19857
2421         * fold-const.c (fold): Don't optimize (T)(x & cst) to
2422         (T)x & (T)cst if (T)cst overflows.
2423         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
2424         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
2425
2426 2005-02-15  Jeff Law  <law@redhat.com>
2427
2428         * gcse.c (blocks_with_calls): New bitmap.
2429         (alloc_gcse_mem): Allocate it.
2430         (free_gcse_mem): Free it.
2431         (clear_modifY_mem_tables): Clear it.
2432         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
2433         when we encounter CALL_INSNs.
2434         (compute_transp, case MEM): Handle blocks with calls separate
2435         from blocks without calls.  Use bitmap iterators rather than
2436         FOR_EACH_BB.
2437
2438 2005-02-15  Peter O'Gorman  <peter@pogma.com>
2439
2440         PR bootstrap/18810
2441         * mklibgcc.in (vis_hide): Use a temporary object file, not
2442         -o /dev/null.
2443
2444 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
2445
2446         PR target/19924
2447         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
2448         access optimization.
2449
2450 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
2451             Alan Modra  <amodra@bigpond.net.au>
2452
2453         PR target/19019
2454         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
2455         (_xlqsub): Rename to __gcc_qsub.
2456         (_xlqmul): Rename to __gcc_qmul.
2457         (_xlqdiv): Rename to __gcc_qdiv.
2458         Provide versioned symbol aliases with old names.
2459         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
2460         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
2461         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
2462         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
2463         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
2464
2465 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
2466
2467         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
2468         Fold ~(A - 1) and ~(A + -1) to -A.
2469
2470 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
2471
2472         PR pch/14940
2473         PR target/19300
2474         * config/host-linux.c (linux_gt_pch_use_address): Copy from
2475         config/pa/pa-host.c:pa_gt_pch_use_address.
2476
2477 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
2478
2479         * tree-vn.c (get_value_handle): Make sure that given an
2480         is_gimple_min_invariant expression, we always return it.
2481
2482 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
2483
2484         * passes.c (rest_of_handle_gcse): Fix a comment.
2485
2486 2005-02-15  Jeff Law  <law@redhat.com>
2487
2488         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
2489         bitmap.
2490         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
2491         (canon_list_insert, record_last_mem_set_info): Similarly.
2492         (clear_modify_mem_tables): Similarly.
2493
2494 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
2495
2496         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
2497         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
2498         config/mips/mips.md, config/rs6000/aix.h,
2499         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
2500
2501 2005-02-15  Richard Henderson  <rth@redhat.com>
2502
2503         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
2504         call to be best_edge.
2505
2506 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
2507
2508         * basic-block.h: Adjust the prototype for find_basic_blocks.
2509         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
2510         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
2511         find_basic_blocks.
2512
2513         * flow.c (recompute_reg_usage): Remove all arguments.
2514         * passes.c (rest_of_compilation): Adjust the call to
2515         recompute_reg_usage.
2516         * rtl.h: Adjust the prototype for recompute_reg_usage.
2517
2518 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
2519
2520         * tree-dump.c (dump_files): Update to reflect new member
2521         of dump_file_info.
2522         (dump_register): Add new argument.
2523         Set glob name.
2524         (dump_switch_p_1): Check against glob name if doglob was passed.
2525         (dump_switch_p): Check against regular first, then glob if
2526         we didn't have any hits on the dump name.
2527         * tree-optimize.c (register_one_dump_file):
2528         Pass in glob name as well.
2529         * tree-pass.h (struct dump_file_info): Add glob
2530         member.
2531
2532 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
2533
2534         PR preprocessor/16323
2535         * doc/invoke.texi: Document that -Wendif-labels is on by default.
2536
2537 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
2538
2539         PR target/19019
2540         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
2541         (trunctfdf2_internal1): New.
2542         (trunctfdf2_internal2): Renamed from trunctfdf2.
2543
2544 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
2545
2546         PR tree-optimization/19853
2547         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
2548
2549 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
2550
2551         * passes.c (rest_of_handle_loop_optimize): Remove calls to
2552         delete_dead_jumptables and cleanup_cfg.
2553
2554 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
2555
2556         * reload.c (find_reloads): Swap address_reloaded flags when
2557         swapping commutative operands.
2558
2559 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
2560
2561         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
2562         Use standard_iv_increment_position for computing the bsi position
2563         for create_iv.
2564         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
2565         the bsi position.
2566
2567 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
2568
2569         PR target/17428
2570         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
2571         life range of hard registers.
2572         * value-prof.c (insn_prefetch_values_to_profile): Only
2573         scan normal insns.
2574
2575         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
2576         profile in libcalls.
2577
2578 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
2579
2580         * bitmap.h (bitmap_and_compl_into): Return bool.
2581         * bitmap.c (bitmap_and_compl_into): Return changed flag.
2582
2583 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
2584
2585         PR tree-optimization/19944
2586         * fold-const.c (fold): Re-add ABS_EXPR folding.
2587
2588 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
2589
2590         PR target/19019
2591         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
2592         {TARGET,MASK}_XL_COMPAT.
2593         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
2594         MASK_XL_COMPAT.
2595         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
2596         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
2597         TARGET_XL_COMPAT.
2598         (rs6000_arg_partial_bytes): Same.
2599         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
2600         and XL compatibility enabled.
2601         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
2602         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
2603         test to final condition.
2604         (cmptf_internal2): New.
2605         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
2606         xl-compat.  Add TFmode information to description.
2607
2608 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
2609
2610         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
2611
2612 2005-02-13  Jason Merrill  <jason@redhat.com>
2613
2614         PR c++/16405
2615         * fold-const.c (fold_indirect_ref_1): Split out from...
2616         (build_fold_indirect_ref): Here.
2617         (fold_indirect_ref): New fn.
2618         * tree.h: Declare it.
2619         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
2620         (gimplify_modify_expr_rhs): Likewise.
2621         (gimplify_expr): Likewise.
2622
2623 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
2624
2625         PR tree-optimization/14303
2626         PR tree-optimization/15784
2627         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
2628         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
2629         ABS_EXPR<x> != 0 to x != 0.
2630
2631 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
2632
2633         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
2634         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
2635         spelling conventions.
2636
2637         * passes.c (rest_of_handle_gcse): Don't run cse_main and
2638         delete_trivially_dead_insns too many times.
2639
2640         * passes.c (rest_of_handle_gcse): Remove dead assignments to
2641         tem and tem2.
2642
2643 2005-02-12  Ira Rosen  <irar@il.ibm.com>
2644
2645         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
2646         (vect_is_simple_iv_evolution): Remove redundant parameter
2647         and step check.
2648         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
2649         without last parameter.
2650         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
2651         Return pointer step. Call vect_is_simple_iv_evolution without
2652         last parameter. Check only that the step is multiple of size
2653         type. Remove stmt_vinfo updates.
2654         (vect_get_memtag_and_dr): Remove.
2655         (vect_get_memtag): New function.
2656         (vect_address_analysis): New function.
2657         (vect_object_analysis): New function.
2658         (vect_analyze_data_refs): Call vect_object_analysis and
2659         vect_get_memtag. Update stmt_vinfo fields.
2660
2661 2005-02-12  Ira Rosen  <irar@il.ibm.com>
2662
2663         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
2664         exist and are objects. Remove checks for pointer.
2665         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
2666         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
2667         (vect_create_data_ref_ptr): Likewise.
2668         (vect_base_addr_differ_p): New function.
2669         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
2670         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
2671         Don't set the DR_BASE_NAME field of data-ref.
2672         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
2673
2674 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
2675
2676         * optabs.h (enum optab_index): Add new OTI_ldexp.
2677         (ldexp_optab): Define corresponding macro.
2678         * optabs.c (init_optabs): Initialize ldexp_optab.
2679         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
2680         patterns.
2681         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
2682         using ldexp_optab.
2683         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
2684         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
2685
2686         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
2687         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
2688         intrinsics.
2689
2690 2005-02-12  Ira Rosen  <irar@il.ibm.com>
2691
2692         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
2693         to base_address.
2694         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
2695         stmt_vec_info.
2696         (vect_get_base_and_offset): Always return an address.
2697         (vect_create_addr_base_for_vector_ref): Remove treatment for
2698         different data reference types.
2699         (vect_compute_data_ref_alignment): Rename base to base_address in
2700         stmt_vec_info. Get the object in order to force its alignment.
2701         (vect_get_memtag_and_dr): Rename base to base_address in
2702         stmt_vec_info. Extract the object for memtag analysis.
2703
2704 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
2705
2706         PR regression/19898.
2707         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
2708         changes cc_status, use apply modified_in_p to part of cc_status
2709         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
2710         body.
2711
2712 2005-02-11  Richard Henderson  <rth@redhat.com>
2713
2714         * tree-complex.c (expand_complex_libcall): New.
2715         (expand_complex_multiplication): Use it for c99 compliance.
2716         (expand_complex_division): Likewise.
2717         * fold-const.c (fold_complex_add, fold_complex_mult): New.
2718         (fold): Call them.
2719         * builtins.c (built_in_names): Remove const.
2720         * tree.c (build_common_builtin_nodes): Build complex arithmetic
2721         builtins.
2722         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
2723         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
2724         (built_in_names): Remove const.
2725         * c-common.c (c_common_type_for_mode): Handle complex modes.
2726         * flags.h, toplev.c (flag_complex_method): Rename from
2727         flag_complex_divide_method.
2728         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
2729         __mulsc3, __muldc3, __mulxc3, __multc3): New.
2730         * libgcc2.h: Declare them.
2731         * libgcc-std.ver: Export them.
2732         * mklibgcc.in (lib2funcs): Build them.
2733
2734 2005-02-11  Steven Bosscher  <stevenb@suse.de>
2735
2736         PR tree-optimization/19876
2737         Partially revert my change from 2005-01-14
2738         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
2739         (compute_antic): ...and remove the loop here.
2740
2741 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
2742
2743         PR middle-end/19858
2744         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
2745         is number of inner's bits, avoid creating a BIT_FIELD_REF.
2746
2747         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
2748         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
2749
2750 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
2751
2752         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
2753         offsets for the big-endian 32-bit case.
2754
2755 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
2756
2757         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
2758
2759 2005-02-11  Dale Johannesen  <dalej@apple.com>
2760
2761         * cselib.c (cselib_process_insn):  Clear out regs where
2762         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
2763         * reload.c (find_equiv_reg): Ditto.
2764
2765 2005-02-11  Ian Lance Taylor  <ian@airs.com>
2766
2767         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
2768         with no elements.
2769
2770         * tree.c (build_function_type_list): Work correctly if there are
2771         no arguments.
2772
2773 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
2774
2775         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
2776         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
2777         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
2778         TARGET_ZARCH instead of TARGET_64BIT.
2779
2780 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
2781
2782         * config/rs6000/t-rtems:
2783         (MULTILIB_OPTIONS): Remove mcpu=602.
2784         (MUTLILIB_DIRNAMES): Remove m602.
2785         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
2786         Let mcpu=602 match mcpu=603.
2787         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
2788
2789 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2790
2791         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
2792         signal trampolines.
2793
2794 2005-02-10  David Daney  <ddaney@avtrex.com>
2795
2796         * config/alpha/linux-unwind.h: Add exception clause to copyright.
2797         * config/i386/linux-unwind.h: Likewise.
2798         * config/ia64/linux-unwind.h: Likewise.
2799         * config/mips/linux-unwind.h: Likewise.
2800         * config/pa/linux-unwind.h: Likewise.
2801         * config/rs6000/linux-unwind.h: Likewise.
2802         * config/s390/linux-unwind.h: Likewise.
2803         * config/sh/linux-unwind.h: Likewise.
2804         * config/sparc/linux-unwind.h: Likewise.
2805
2806 2005-02-10  Steven Bosscher  <stevenb@suse.de>
2807
2808         PR tree-optimization/17549
2809         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
2810         TER to replace a DEF with its expression if the DEF and the
2811         rhs of the expression we replace into have the same root
2812         variable.
2813
2814 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
2815
2816         * config/mips/mips.md: Fix the placement of the match_scratch in the
2817         lea64 peephole2.
2818
2819 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
2820
2821         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
2822         Fix comment typos.
2823
2824 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
2825
2826         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
2827         (strip_offset): Handle addresses.
2828         (add_address_candidates): Use strip_offset.
2829         (difference_cost): Reflect strip_offset change.
2830         (force_var_cost, difference_cost): Strip nops.
2831
2832 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
2833
2834         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
2835
2836         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
2837         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
2838         config/cris/cris-protos.h, config/cris/cris.c: Update
2839         copyright.
2840
2841 2005-02-10  Jeff Law  <law@redhat.com>
2842
2843         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
2844         (lookup_avail_expr): Similarly.
2845
2846 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
2847
2848         * builtins.c (fold_builtin_powi): New function.
2849         (fold_builtin_1): Call it.
2850
2851 2005-02-10  Steven Bosscher  <stevenb@suse.de>
2852
2853         PR documentation/19309
2854         * doc/cpp.texi: The __GNUC__ and related predefined macros
2855         are also defined for the "standalone" cpp.
2856         Some non-GCC compilers may also define __GNUC__.
2857
2858 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
2859
2860         PR c/19342
2861         * c-typeck.c (common_type): New routine.  Old common_type renamed
2862         to...
2863         (c_common_type): ...this.
2864         (build_conditional_expr, build_binary_op): Use c_common_type instead
2865         of common_type.
2866
2867 2005-02-10  Steven Bosscher  <stevenb@suse.de>
2868
2869         * doc/md.texi: Replace @samp{length} with @code{length}.
2870
2871 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
2872
2873         PR tree-optimization/18687
2874         * tree-flow.h (find_loop_niter): Declare.
2875         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
2876         Try using scev even for loops with more than one exit.
2877         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
2878         (struct ivopts_data): Added niters field.
2879         (struct nfe_cache_elt): New.
2880         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
2881         functions.
2882         (tree_ssa_iv_optimize_init): Initialize niters cache.
2883         (determine_number_of_iterations): Removed.
2884         (find_induction_variables): Do not call determine_number_of_iterations.
2885         Access niters for single exit through niter_for_single_dom_exit.
2886         (add_iv_outer_candidates): Access niters for single exit through
2887         niter_for_single_dom_exit.
2888         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
2889         number_of_iterations_cond.
2890         (iv_period): New function.
2891         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
2892         (may_replace_final_value): Take data argument.  Use
2893         niter_for_single_dom_exit.
2894         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
2895         (rewrite_use_compare): Pass data to may_eliminate_iv.
2896         (rewrite_use_outer): Pass data to may_replace_final_value.
2897         (free_loop_data): Clean up the niters cache.
2898         (tree_ssa_iv_optimize_finalize): Free the niters cache.
2899         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
2900         * tree-ssa-loop-niter.c (find_loop_niter): New function.
2901         (find_loop_niter_by_eval): Use tree_int_cst_lt.
2902         (num_ending_zeros): Moved to tree.c.
2903         * tree.h (num_ending_zeros): Declare.
2904         * tree.c (num_ending_zeros): Moved from tree.c.
2905
2906 2005-02-09  Richard Henderson  <rth@redhat.com>
2907
2908         * builtins.c (DEF_BUILTIN): Add COND argument.
2909         * tree.h (DEF_BUILTIN): Likewise.
2910         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
2911         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
2912         match.
2913         (DEF_BUILTIN_STUB): New.
2914         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
2915         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
2916         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
2917         * c-common.c (DEF_BUILTIN): Add COND argument.
2918         * tree.c (local_define_builtin): New.
2919         (build_common_builtin_nodes): New.
2920
2921 2005-02-09  Roger Sayle  <roger@eyesopen.com>
2922
2923         * fold-const.c (fold_strip_sign_ops): New function to simplify a
2924         floating point expression ignoring the sign of the result.
2925         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
2926         (fold) <MULT_EXPR>: Use it to simplify x*x.
2927         * tree.h (fold_strip_sign_ops): Prototype here.
2928         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
2929         argument.  Use fold_strip_sign_ops to simplify the first argument.
2930         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
2931         first argument when the second argument is an even integer
2932         constant, but only with -funsafe_math_optimizations.
2933         (fold_builtin_1): Update call to fold_builtin_copysign.
2934
2935 2005-02-09  Ian Lance Taylor  <ian@airs.com>
2936
2937         PR middle-end/19583
2938         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
2939         just check whether EH_FILTER_FAILURE falls through.
2940
2941 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
2942
2943         * gcc/haifa-sched.c (schedule_block): Make queued sched group
2944         insns return to ready list in the next turn.
2945
2946 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
2947
2948         PR middle-end/19402
2949         * builtins.def: New __builtin_powi[lf].
2950         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
2951         (expand_builtin_powi): New function.
2952         (expand_builtin): Dispatch to expand_builtin_powi.
2953         * libgcc2.h: Add prototypes for __builtin_powi[lf].
2954         * libgcc2.c: Add __builtin_powi[lf] implementation.
2955         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
2956         * optabs.h: Add powi_optab.
2957         * optabs.c (init_optabs): Initialize powi_optab.
2958         * doc/extend.texi: Document __builtin_powi[lf].
2959
2960 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
2961
2962         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
2963         exists.
2964
2965 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
2966
2967         PR middle-end/19854
2968         * fold-const.c (try_move_mult_to_index): Remove redundant
2969         type argument.  Create ADDR_EXPR with correct type.
2970         (fold): Update callers of try_move_mult_to_index.  Convert
2971         result to the appropriate type.
2972
2973 2005-02-09  Roger Sayle  <roger@eyesopen.com>
2974
2975         PR target/19597
2976         * config/avr/avr.c (default_rtx_costs): Delete.
2977         (avr_operand_rtx_cost): New function.
2978         (avr_rtx_costs): Completely rewrite.
2979
2980 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
2981
2982         PR target/19806
2983         * config/cris/cris.c (in_code): New variable.
2984         (cris_output_addr_const): Now a static function, a wrapper for
2985         output_addr_const.
2986         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
2987         case from old cris_output_addr_const.
2988         (cris_asm_output_label_ref): Similar for LABEL_REF.
2989         (cris_output_addr_const_extra): Similar for UNSPEC.
2990         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
2991         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
2992         * config/cris/cris-protos.h (cris_output_addr_const): Remove
2993         declaration.
2994         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
2995         (cris_asm_output_label_ref): Declare.
2996
2997 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
2998
2999         PR preprocessor/19801
3000         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
3001         filenames that changed when libcpp was moved to the toplevel.
3002
3003 2005-02-07  Roger Sayle  <roger@eyesopen.com>
3004
3005         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
3006         zero extensions of BImode operands.  Call lowpart_subreg instead
3007         of gen_lowpart_common and gen_lowpart_SUBREG.
3008
3009 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
3010
3011         PR ada/19489
3012         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
3013         * configure.ac: Set cc_for_cross_gnattools.
3014         * configure: Regenerate.
3015
3016 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
3017
3018         PR target/19803
3019         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
3020
3021 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
3022
3023         PR debug/19327
3024         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
3025         of nested functions.
3026
3027 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
3028
3029         * doc/extend.texi: Document deprecated extensions allowing
3030         static floating-point members to have initializers and allowing
3031         floating-point literals in integral constant expressions.
3032
3033 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
3034
3035         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
3036         config/darwin7.h, config/mips/mips.c,
3037         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
3038         Update copyright.
3039
3040         * cse.c: Update comments.
3041
3042 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
3043
3044         PR middle-end/19775
3045         * builtins.c (fold_builtin_sqrt): Transform
3046         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
3047         pow(x,y*0.5).
3048
3049 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
3050             Dorit Naishlos  <dorit@il.ibm.com>
3051
3052         * doc/invoke.texi (ftree-vectorizer-verbose): New.
3053         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
3054         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
3055         was added.
3056         * tree.h (vect_set_verbosity_level): New extern function declaration
3057         added.
3058         * tree-vectorizer.h (verbosity_levels): New enum type.
3059         * tree-vectorizer.c (vect_debug_stats): Function removed.
3060         (vect_debug_details): Likewise.
3061         (vect_verbosity_level): Global variable was defined and initialized.
3062         (vect_dump): Global variable definition.
3063         (vect_print_dump_info): New function.
3064         (vect_set_dump_settings): New function.
3065         (vect_set_verbosity_level): New function.
3066         (vectorize_loops): Add call to vect_set_dump_settings.
3067
3068         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
3069         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
3070         (slpeel_tree_peel_loop_to_edge): Likewise.
3071
3072         (vect_analyze_offset_expr): Call to vect_print_dump_info with
3073         appropriate verbosity level instead of call to vect_debug_details
3074         or vect_debug_stats.
3075         (vect_get_base_and_offset):
3076         (vect_create_addr_base_for_vector_ref):
3077         (get_vectype_for_scalar_type):
3078         (vect_create_data_ref_ptr):
3079         (vect_init_vector):
3080         (vect_get_vec_def_for_operand):
3081         (vect_finish_stmt_generation):
3082         (vectorizable_assignment):
3083         (vectorizable_operation):
3084         (vectorizable_store):
3085         (vectorizable_load):
3086         (vect_transform_stmt):
3087         (vect_update_ivs_after_vectorizer):
3088         (vect_do_peeling_for_loop_bound):
3089         (vect_update_inits_of_drs):
3090         (vect_do_peeling_for_alignment):
3091         (vect_transform_loop):
3092         (vect_is_simple_use):
3093         (vect_analyze_operations):
3094         (vect_is_simple_iv_evolution):
3095         (vect_analyze_scalar_cycles):
3096         (vect_analyze_data_ref_dependence):
3097         (vect_analyze_data_ref_dependences):
3098         (vect_compute_data_ref_alignment):
3099         (vect_enhance_data_refs_alignment):
3100         (vect_analyze_data_refs_alignment):
3101         (vect_analyze_data_ref_access):
3102         (vect_analyze_data_ref_accesses):
3103         (vect_analyze_pointer_ref_access):
3104         (vect_get_memtag_and_dr):
3105         (vect_analyze_data_refs):
3106         (vect_mark_relevant):
3107         (vect_stmt_relevant_p):
3108         (vect_mark_stmts_to_be_vectorized):
3109         (vect_can_advance_ivs_p):
3110         (vect_get_loop_niters):
3111         (vect_analyze_loop_form):
3112         (vect_analyze_loop):
3113         (vectorize_loops): Likewise.
3114
3115         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
3116         (vect_update_inits_of_drs):
3117         (vect_do_peeling_for_alignment):
3118         (vect_transform_loop):
3119         (vect_analyze_operations):
3120         (vect_analyze_scalar_cycles):
3121         (vect_analyze_data_ref_dependences):
3122         (vect_analyze_data_refs_alignment):
3123         (vect_analyze_data_ref_accesses):
3124         (vect_analyze_data_refs):
3125         (vect_mark_stmts_to_be_vectorized):
3126         (vect_get_loop_niters):
3127         (vect_analyze_loop_form):
3128         (vect_analyze_loop): Likewise.
3129         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
3130
3131 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
3132
3133         PR bootstrap/19796
3134         Revert:
3135         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
3136         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
3137         either -ffast-math or -funsafe-math-optimizations is in use.
3138
3139         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
3140         * config/mips/irix-csr.c: New file.
3141         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
3142         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
3143         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
3144         executables.
3145
3146 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
3147
3148         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
3149         redundant, incorrect definitions.
3150
3151         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
3152         expand.
3153         ("*tls_indirect_call"): New, reference hard regs directly.
3154         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
3155
3156 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
3157
3158         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
3159         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
3160
3161 2005-02-06  Roger Sayle  <roger@eyesopen.com>
3162
3163         PR rtl-optimization/19800
3164         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
3165         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
3166         gen_lowpart.
3167
3168 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
3169
3170         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
3171
3172 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
3173
3174         PR other/17135
3175         * doc/invoke.texi: Correct documentation of -freorder-functions.
3176
3177 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
3178
3179         PR other/14402
3180         * doc/invoke.texi: Don't mention gccbug.
3181
3182 2005-02-06  Roger Sayle  <roger@eyesopen.com>
3183             Andrew Pinski  <pinskia@physics.uc.edu>
3184             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
3185
3186         * simplify-rtx.c (simplify_relational_operation_1): Simplify
3187         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
3188         into just (zero_extract:SI FOO (const_int 1) BAR).
3189
3190 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
3191
3192         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
3193         macro locally.  Don't give last revision date.  Use GCC version
3194         number from gcc-common.texi.
3195         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
3196         revision date.  Use GCC version number from gcc-common.texi.
3197         Describe being a library as current state rather than as 3.x
3198         history.
3199         * doc/gcc.texi: Remove last update date.
3200         * doc/gccint.texi: Likewise.  Update copyright dates.
3201         * doc/install.texi: Update copyright dates.
3202
3203 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
3204
3205         PR other/7549
3206         * doc/invoke.texi: Mention for each option included in -Wall that
3207         it is included in -Wall.
3208         * doc/gcc.texi: Update copyright and last modification date.
3209
3210 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
3211
3212         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
3213         unnecessary cast to original induction variable increments.
3214
3215 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
3216
3217         PR tree-optimization/18219
3218         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
3219         in distributed form.
3220
3221 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
3222
3223         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
3224         Set bitpos and offset later in the function.  Do nothing if the
3225         target is a register and if the bitfield lies completely outside
3226         that register.
3227         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
3228         here.  Return an uninitialised register if the source value is stored
3229         in a register and the bitfield lies completely outside that register.
3230
3231 2005-02-06  Steven Bosscher  <stevenb@suse.de>
3232
3233         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
3234         not SET_DEST.
3235
3236 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
3237
3238         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
3239
3240 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
3241
3242         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
3243         * config/darwin8.h: New.
3244         * config/darwin7.h: Update comment.
3245
3246 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
3247             Dorit Naishlos  <dorit@il.ibm.com>
3248
3249         * tree-vectorizer.h (LOC): New type.
3250         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
3251         (loop_line_number): New field in struct _loop_vec_info.
3252         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
3253
3254         * tree-vectorizer.c (input.h): Included.
3255         (find_loop_location): New function.
3256         (vect_debug_stats): Argument changed from loop to LOC. Computation of
3257         loop line number removed.
3258         (vect_debug_details): Likewise.
3259         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
3260
3261         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
3262         call to vect_debug_details/stats changed from loop to loop_loc.
3263         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
3264         (slpeel_tree_peel_loop_to_edge): Likewise.
3265
3266         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
3267         changed from NULL to UNKNOWN_LOC.
3268         (vect_get_base_and_offset):
3269         (vect_create_addr_base_for_vector_ref):
3270         (get_vectype_for_scalar_type):
3271         (vect_create_data_ref_ptr):
3272         (vect_init_vector):
3273         (vect_get_vec_def_for_operand):
3274         (vect_finish_stmt_generation):
3275         (vectorizable_assignment):
3276         (vectorizable_operation):
3277         (vectorizable_store):
3278         (vectorizable_load):
3279         (vect_transform_stmt):
3280         (vect_update_ivs_after_vectorizer):
3281         (vect_do_peeling_for_loop_bound):
3282         (vect_do_peeling_for_alignment):
3283         (vect_transform_loop):
3284         (vect_is_simple_use):
3285         (vect_analyze_operations):
3286         (vect_is_simple_iv_evolution):
3287         (vect_analyze_scalar_cycles):
3288         (vect_analyze_data_ref_dependences):
3289         (vect_compute_data_ref_alignment):
3290         (vect_enhance_data_refs_alignment):
3291         (vect_analyze_data_ref_access):
3292         (vect_analyze_data_ref_accesses):
3293         (vect_analyze_pointer_ref_access):
3294         (vect_get_memtag_and_dr):
3295         (vect_analyze_data_refs):
3296         (vect_mark_relevant):
3297         (vect_stmt_relevant_p):
3298         (vect_mark_stmts_to_be_vectorized):
3299         (vect_can_advance_ivs_p):
3300         (vect_get_loop_niters):
3301         (vect_analyze_loop):
3302         (vectorize_loops): Likewise.
3303
3304         (vectorizable_load): Argument in call to vect_debug_details/stats
3305         changed from loop to LOOP_LOC (loop_vinfo).
3306         (vect_transform_loop):
3307         (vect_analyze_operations):
3308         (vect_analyze_scalar_cycles):
3309         (vect_analyze_data_ref_dependence):
3310         (vect_enhance_data_refs_alignment):
3311         (vect_analyze_data_ref_accesses):
3312         (vect_analyze_pointer_ref_access):
3313         (vect_analyze_data_refs):
3314         (vect_analyze_loop): Likewise.
3315
3316         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
3317         changed from loop to loop_loc.
3318
3319         (vect_enhance_data_refs_alignment): Removed unused variable loop.
3320
3321 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
3322             Dorit Naishlos  <dorit@il.ibm.com>
3323
3324         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
3325         declaration added.
3326         (vect_analyze_data_ref_dependences): Likewise.
3327
3328         (vect_is_simple_use): Argument changed from loop structure to
3329         loop_vect_info structure.
3330         (vect_can_advance_ivs_p): Likewise.
3331         (vect_create_index_for_vector_ref): Likewise.
3332         (vect_update_ivs_after_vectorizer): Likewise.
3333         (new_stmt_vec_info): Likewise.
3334
3335         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
3336         changed from loop to loop_vinfo.
3337         (vect_create_data_ref_ptr): First argument in call to
3338         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
3339         (vectorizable_assignment): Second argument in call to vect_is_simple_use
3340         was changed from loop to loop_vinfo.
3341         (vectorizable_operation): Likewise.
3342         (vectorizable_store): Likewise.
3343         (vect_mark_stmts_to_be_vectorized): Likewise.
3344         (vect_do_peeling_for_loop_bound): First argument in call to
3345         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
3346         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
3347         was changed from loop to loop_vinfo.
3348         (vect_analyze_data_ref_dependences): Third argument in call to
3349         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
3350
3351         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
3352         (vect_create_data_ref_ptr): Likewise.
3353         (vect_init_vector): Likewise.
3354         (vect_get_vec_def_for_operand): Likewise.
3355         (vectorizable_assignment): Likewise.
3356         (vectorizable_operation): Likewise.
3357         (vectorizable_store): Likewise.
3358         (vectorizable_load): Likewise.
3359         (vect_update_ivs_after_vectorizer): Likewise.
3360         (vect_is_simple_use): Likewise.
3361         (vect_analyze_data_ref_dependence): Likewise.
3362         (vect_analyze_pointer_ref_access): Likewise.
3363         (vect_can_advance_ivs_p): Likewise.
3364
3365         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
3366         before _stmt_vec_info.
3367         (_stmt_vec_info): Loop field replaced by loop_vec_info.
3368         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
3369         (new_stmt_vec_info): Argument changed from loop structure to
3370         loop_vect_info structure
3371
3372         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
3373         (vect_analyze_offset_expr): Avoid 80 columns overflow.
3374         (vect_create_addr_base_for_vector_ref): Likewise.
3375         (vect_analyze_pointer_ref_access): Likewise.
3376
3377 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
3378
3379         PR tree-opt/19768
3380         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
3381         phi flag if the phi is abnormal.
3382
3383 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
3384
3385         PR tree-opt/19736
3386         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
3387         information for the new statement.
3388
3389 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
3390
3391         PR driver/19117
3392         * gcc.c (main): Include the target in -v output.
3393
3394 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
3395
3396         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
3397         Do not drop the extend if we'd have to add a paradoxical subreg
3398         later.  Include optabs.h and insn-codes.h.
3399         * Makefile.in (combine.o): Depend on $(OPTABS_H).
3400
3401 2005-02-02  Roger Sayle  <roger@eyesopen.com>
3402
3403         PR middle-end/19405
3404         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
3405         * fold-const.c (const_binop): Avoid constant folding floating
3406         point operations in modes that use composite representations.
3407         * simplify-rtx.c (simplify_binary_operation): Likewise.
3408
3409 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
3410
3411         * config/rs6000/altivec.md (altivec_dst): Make the first operand
3412         a REG, not a MEM.
3413         (altivec_dstt): Likewise.
3414         (altivec_dstst): Likewise.
3415         (altivec_dststt): Likewise.
3416         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
3417         of first operand.
3418
3419 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
3420
3421         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
3422         EXPR_LOCUS from orig_cond to the new cond_stmt.
3423         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
3424         the new vec_stmt.
3425
3426 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
3427
3428         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
3429         standard_iv_increment_position. Remove call to bsi_next
3430         (no need to bump the iterator anymore).
3431         (vect_create_index_for_vector_ref): Call
3432         standard_iv_increment_position. Remove second function argument.
3433         (vect_finish_stmt_generation): Remove call to bsi_next
3434         (no need to bump the iterator anymore).
3435         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
3436         to vect_create_index_for_vector_ref.
3437
3438 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
3439
3440         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
3441         phis are used out of the loop.
3442
3443 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
3444
3445         PR c/17807
3446         * c-decl.c (undef_nested_function): New variable.
3447         (pop_scope): Diagnose undefined nested functions.
3448         (finish_function): Don't attempt cgraph processing or genericizing
3449         if current top-level function contained an undefined nested
3450         function.  Reset undef_nested_function at the end of a top-level
3451         function.
3452
3453 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
3454
3455         * tree.c (build_int_cst_type): Take sign of the value into account
3456         when deciding whether sign extend the value.
3457
3458 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
3459
3460         PR c/18502
3461         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
3462         (cpp_options, cc1_options): Change %{std*&ansi} to
3463         %{std*&ansi&trigraphs}.
3464
3465 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
3466
3467         * cse.c: Update comments.
3468
3469 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
3470
3471         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
3472         arguments go on the stack.  Do not put complex doubles in odd/even
3473         pairs.
3474
3475 2005-02-02  Steven Bosscher  <stevenb@suse.de>
3476
3477         * doc/invoke.texi: Update the options enabled at -O1, -O2,
3478         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
3479         -ftree-pre, and -fthread-jumps.
3480
3481 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
3482
3483         PR tree-optimization/19578
3484         * tree-flow.h (modified_noreturn_calls): Declare.
3485         (noreturn_call_p): Declare.
3486         * tree-flow-inline.h (noreturn_call_p): New function.
3487         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
3488         * tree-cfg.c (modified_noreturn_calls): New variable.
3489         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
3490         that contain a mid-block noreturn call.
3491         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
3492
3493 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
3494
3495         * df.c (df_def_record_1, df_uses_record): Don't use
3496         DF_FOR_REGALLOC.
3497         * df.h (DF_FOR_REGALLOC): Remove.
3498
3499 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
3500
3501         PR c/19435
3502         * c-typeck.c (really_start_incremental_init): Reset
3503         constructor_max_index for arrays of incomplete type.
3504
3505 2005-02-02  Jeff Law  <law@redhat.com>
3506
3507         * gcse.c (struct reg_set): Store the block index where the register
3508         was set rather than the setting insn.
3509         (record_one_set, compute_transp): Corresponding changes.
3510         (pre_insert_copy_insn): Do not call replace_one_set.
3511         (replace_one_set): Remove.
3512
3513 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
3514
3515         PR other/15514
3516         * doc/gcov.texi: Fix typo.
3517
3518 2005-02-01  Richard Henderson  <rth@redhat.com
3519
3520         PR target/19680
3521         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
3522         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
3523         type to bool.
3524         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
3525         * config/i386/i386-protos.h: Update.
3526
3527 2005-02-01  Steven Bosscher  <stevenb@suse.de>
3528
3529         PR tree-optimization/19217
3530         * tree-cfg.c (verify_expr): Use the data field to see if TP was
3531         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
3532         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
3533         that it is walking a PHI node.
3534
3535 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
3536
3537         * doc/extend.texi (Nested Functions): Update.
3538
3539 2005-02-01  Richard Henderson  <rth@redhat.com>
3540
3541         PR 19696
3542         * optabs.c (expand_copysign_absneg): Export.
3543         * optabs.h (expand_copysign_absneg): Declare.
3544         * config/rs6000/rs6000.md (copysigntf3): New.
3545
3546 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
3547
3548         PR tree-optimization/19633
3549         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
3550         * tree-ssa-alias.c (init_alias_info): Initialize.
3551         (merge_pointed_to_info): Set.
3552         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
3553         (dump_points_to_info_for): Show value of pt_null.
3554         (struct count_ptr_d): Declare.
3555         (find_ptr_dereference): Remove.
3556         (ptr_is_dereferenced_by): Remove.
3557         (count_ptr_derefs): New local function.
3558         (count_uses_and_derefs): New local function.
3559         (compute_points_to_and_addr_escape): Call it.  If the number
3560         of dereferences is greater than zero, mark the pointer as
3561         dereferenced.  If there are fewer dereferences than uses of
3562         the pointer, the pointer's value escapes.
3563
3564 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
3565
3566         PR tree-optimization/19670
3567         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
3568         here...
3569         (verify_use): ... set it here, instead.
3570
3571 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
3572
3573         * doc/sourcebuild.texi (Test directives): Fix formatting.
3574
3575         * doc/sourcebuild.texi (Test directives): Describe selector
3576         expressions.
3577
3578 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
3579
3580         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
3581         specific 64-bit CPUs.
3582
3583 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
3584
3585         PR target/16201
3586         * arm.c (arm_eliminable_register): New function.
3587         (adjacent_mem_locations): Don't allow eliminable registers.  Use
3588         HOST_WIDE_INT for address offsets.
3589         * arm-protos.h (arm_eliminable_register): Add prototype.
3590
3591 2005-02-01  Steven Bosscher  <stevenb@suse.de>
3592
3593         PR optimization/15242
3594         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
3595         * basic-block.h (duplicate_computed_gotos): Add prototype.
3596         * bb-reorder.c (duplicate_computed_gotos): New function to
3597         duplicate sufficiently small blocks ending in a computed jump.
3598         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
3599         if not optimizing for size.
3600         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
3601         never do tail merging for blocks ending in a computed jump.
3602         * doc/invoke.texi: Document the max-goto-duplication-insns param.
3603
3604 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
3605
3606         Patch from Richard Sandiford <rsandifo@redhat.com>
3607         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
3608         from inheriting a subreg equivalence with a non-spill register.
3609
3610         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
3611
3612 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
3613
3614         * config/frv/frv.c (movcc_fp_destination_operand): New.
3615         (gpr_or_memory_operand): Fix typo in comment.
3616         (gpr_or_memory_operand_with_scratch): New.
3617         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
3618         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
3619         movcc_fp_destination_operand.
3620         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
3621         Legitimize memory addresses using a scratch register.
3622
3623 2005-01-31  Jeff Law  <law@redhat.com>
3624
3625         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
3626         bitmap a sparse bitmap instead of a simple bitmap.
3627         (mark_def_sites_initialize_block):  Corresponding changes.
3628         (ssa_mark_def_sites_initialize_block): Likewise.
3629         (ssa_mark_phi_uses): Likewise.
3630         (mark_def_site, ssa_mark_def_sites): Likewise.
3631         (mark_def_site_blocks): Likewise.
3632         (rewrite_ssa_into_ssa): Likewise.
3633
3634         * tree-ssa-dom.c (record_cond): Pass correct variable type
3635         for last argument to htab_find_slot_with_hash.
3636
3637         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
3638         effects when optimizing 0 % X.  Do not try to optimize X % 0.
3639
3640 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
3641
3642         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
3643         1_mmalua.
3644
3645 2005-02-01  Eric Christopher  <echristo@redhat.com>
3646
3647         * config/mips/mips.c (override_options): Warn if -mint64
3648         is used.
3649         * doc/invoke.texi (MIPS Options): Document that -mint64 is
3650         deprecated.
3651
3652 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
3653
3654         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
3655         timestamp.
3656         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
3657         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
3658         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
3659         (cached_regno): Initialize to INVALID_REGNUM.
3660         (cse_reg_info_table_size,
3661         cse_reg_info_table_first_uninitialized,
3662         cse_reg_info_timestamp): New.
3663         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
3664         get_cse_reg_info.
3665         (init_cse_reg_info, get_cse_reg_info_1): New.
3666         (get_cse_reg_info): Cache the last look-up.
3667         (new_basic_block): Update the code to clear mappings from
3668         registers to cse_reg_info entries.
3669         (cse_main): Call init_cse_reg_info.
3670
3671         * cse.c (get_cse_reg_info): Update a comment.
3672
3673 2005-01-31  Steven Bosscher  <stevenb@suse.de>
3674
3675         PR c/19333
3676         * c-decl.c (start_decl): Do not warn about arrays of elements with
3677         an incomplete type here.
3678         (grokdeclarator): Do it here by making a pedwarn an error.
3679         * c-typeck.c (push_init_level): If there were previous errors with
3680         the constructor type, do not warn about braces for initializers.
3681         (process_init_element): Likewise for excess initializer elements.
3682
3683 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
3684
3685         * cse.c (delete_trivially_dead_insn): Don't iterate.
3686
3687 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
3688
3689         * config/rs6000/rs6000.md (copysignsf3): New expand.
3690         (copysigndf3): Likewise.
3691
3692 2005-01-31  Steven Bosscher  <stevenb@suse.de>
3693
3694         * recog.c (constrain_operands): Only look for earlyclobber operand
3695         conflicts if an '&' constraint was seen.
3696
3697 2005-01-31  Marc Espie <espie@openbsd.org>
3698
3699         * config.gcc: Don't include embedded systems fragment, switches default
3700         debugging format to ELF.
3701         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
3702         longer pick it up there.
3703
3704 2005-01-31  Dale Johannesen  <dalej@apple.com>
3705
3706         * doc/extend.texi (nested functions): Fix linkage description.
3707         Clarify that static is not allowed.
3708
3709 2005-01-31  Dale Johannesen  <dalej@apple.com>
3710
3711         * config/rs6000/darwin.md (movsf_low_di):  Make work.
3712         (movdf_low_di):  Make work.
3713
3714 2005-01-31  Dale Johannesen  <dalej@apple.com>
3715
3716         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
3717         Make work for 64 bit.
3718
3719 2005-01-31  Roger Sayle  <roger@eyesopen.com>
3720             Dale Johannesen  <dalej@apple.com>
3721
3722         PR middle-end/19650
3723         * fold-const.c (fold_binary_op_with_conditional_arg):
3724         Make types match original operands, before STRIP_NOPS.
3725
3726 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
3727
3728         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
3729         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
3730         (struct gcc_sigcontext): Delete.  Merge contents to..
3731         (struct gcc_ucontext): ..here.
3732         (get_sigcontext): Delete.
3733         (get_regs): New function, like get_sigcontext but return regs ptr.
3734         64-bit version finds regs from r1 to support vdso.
3735         (ppc_linux_aux_vector): New function.
3736         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
3737         and vector regs.
3738
3739 2005-01-31  Ira Rosen  <irar@il.ibm.com>
3740
3741         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
3742         sizetype.
3743         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
3744         redundant fold. Fix misalignment for MINUS_EXPR.
3745         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
3746         (vect_analyze_pointer_ref_access): Likewise.
3747         (vect_get_memtag_and_dr): Likewise.
3748
3749 2005-01-31  Richard Henderson  <rth@redhat.com>
3750
3751         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
3752         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
3753         absnegdf2_i387, absnegxf2_i387): Likewise.
3754
3755 2005-01-31  Richard Henderson  <rth@redhat.com>
3756
3757         PR 19696
3758         * optabs.c (expand_copysign_absneg): New.
3759         (expand_copysign_bit): Split out from ...
3760         (expand_copysign): ... here.  Use expand_copysign_absneg.
3761
3762 2005-01-30  Roger Sayle  <roger@eyesopen.com>
3763
3764         PR middle-end/19697
3765         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
3766         constant as the second operand and a register as the third.
3767
3768 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
3769
3770         PR target/19704
3771         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
3772         that dllimport'd functions do not use all call-clobbered registers
3773         to pass parameters.
3774
3775 2005-01-30  Richard Henderson  <rth@redhat.com>
3776
3777         PR 19696
3778         * optabs.c (expand_absneg_bit): Split out from expand_unop and
3779         expand_abs_nojump and generalize.  Use operand_subword and
3780         emit_no_conflict_block.  Support large modes.
3781         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
3782         back to maximum.
3783         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
3784         negation to subtraction.
3785         (expand_copysign): Check that the format has signed zeros.
3786         Use operand_subword and emit_no_conflict_block.  Support large modes.
3787
3788 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
3789
3790         Fix PR tree-optimization/19624
3791
3792         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
3793         * tree-ssa-pre.c: Add cfgloop.h.
3794         Update comment.
3795         (pre_stats): New member, constified.
3796         (inserted_exprs): New static variable.
3797         (NECESSARY): New macro.
3798         (create_expression_by_pieces): Fold the expression, and
3799         mark it as defaulting to not necessary. Also put in
3800         inserted_exprs.
3801         (fully_constant_expression): New function.
3802         (insert_into_preds_of_block): Modify to not insert phis when we
3803         are playing with induction variables.
3804         Push phis onto the inserted_exprs vector, and mark them as not
3805         necessary by default.
3806         (insert_aux): Call fully_constant_expression on eprime.
3807         If all edges produce the same value, mark it constant.
3808         (mark_operand_necessary): New function.
3809         (remove_dead_inserted_code): New function.
3810         (init_pre): Init loop optimizer to get loop info.
3811         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
3812         (execute_pre): Commit edge inserts, then remove dead code.
3813
3814 2005-01-30  Richard Henderson  <rth@redhat.com>
3815
3816         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
3817         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
3818
3819 2005-01-30  Richard Henderson  <rth@redhat.com>
3820
3821         PR target/19700
3822         * config/i386/i386.c (ix86_expand_copysign): New.
3823         (ix86_split_copysign_const): New.
3824         (ix86_split_copysign_var): Rename from ix86_split_copysign,
3825         rearrange op1/nmask operands.
3826         * config/i386/i386-protos.h: Update.
3827         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
3828         (copysigndf3): Likewise.
3829         (copysignsf3_const, copysigndf3_const): New.
3830         (copysignsf3_var): Rename from copysignsf3, split out splitter
3831         and fix split predicate for X constraint.
3832         (copysigndf3_var): Similarly.
3833
3834 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
3835
3836         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
3837         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
3838         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
3839
3840 2005-01-29  Richard Henderson  <rth@redhat.com>
3841
3842         PR target/19690
3843         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
3844         of # and * in constraints.
3845
3846 2005-01-29  Richard Henderson  <rth@redhat.com>
3847
3848         PR middle-end/19689
3849         * expr.c (store_field): Don't strip sub-mode cast when the input
3850         data is even smaller.
3851
3852 2005-01-29  Richard Henderson  <rth@redhat.com>
3853
3854         PR middle-end/19687
3855         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
3856         union being empty.
3857
3858 2005-01-29  Richard Henderson  <rth@redhat.com>
3859
3860         * combine.c (make_field_assignment): Fix argument order
3861         to gen_int_mode.
3862
3863 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
3864
3865         PR tree-optimization/15791
3866         * fold-const.c (extract_array_ref): New function.
3867         (fold): Fold comparisons between &a[i] and &a[j] or
3868         semantically equivalent trees.
3869
3870 2005-01-29  Jeff Law  <law@redhat.com>
3871
3872         * gcse.c (insert_expr_in_table): Revamp handling of available
3873         and anticipatable occurrence lists to avoid unnecessary list
3874         walking.
3875         (insert_set_in_table): Similarly.
3876
3877 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
3878
3879         * c-common.c (fix_string_type): Just use c_build_qualified_type to
3880         build string type.
3881         (c_build_qualified_type): Build qualified array types with
3882         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
3883         * c-decl.c (c_make_fname_decl): Build unqualified array type
3884         before qualified type.
3885         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
3886         type is qualified, not just if type itself is.  Don't apply
3887         qualifiers to array type when declarator is processed.  Apply
3888         qualifiers to field type whether or not it is an array type.
3889         Don't handle array types specially for applying qualifiers to
3890         variables.
3891         * c-typeck.c (composite_type): Build unqualified element type and
3892         array type when forming composite of array types.
3893         (common_pointer_type, comptypes, comp_target_types,
3894         type_lists_compatible_p, build_indirect_ref, build_array_ref,
3895         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
3896         types.
3897         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
3898         (args2) in variables a1 and a2.
3899
3900 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
3901
3902         * cse.c (n_elements_made, max_elements_made): Remove.
3903         (insert): Don't touch n_elements_made.
3904         (cse_main): Don't touch n_elements_made or max_elements_made.
3905
3906 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
3907
3908         PR target/15384
3909         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
3910         configuration part of dp-bit.c to be lost.
3911
3912 2005-01-28  Roger Sayle  <roger@eyesopen.com>
3913
3914         * expmed.c (expand_mult_highpart_optab): When attempting to use
3915         a non-widening multiplication in a wider mode, the operands need
3916         to be converted (zero or sign extended) to that mode.
3917
3918 2005-01-28  Ian Lance Taylor  <ian@airs.com>
3919
3920         PR middle-end/16558
3921         PR middle-end/19583
3922         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
3923         through if both operands fall through.
3924
3925 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
3926
3927         * cse.c (fold_rtx) <PC>: Don't optimize.
3928
3929 2005-01-28  Jeff Law  <law@redhat.com>
3930
3931         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
3932         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
3933
3934 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
3935
3936         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
3937         cse_reg_info_used_list_end): Remove.
3938         (cse_reg_info_list, cse_reg_info_list_free): New.
3939         (get_cse_reg_info): When allocating an instance of
3940         cse_reg_info, add it to the beginning of the cse_reg_info_list
3941         list.  Remove code to maintain cse_reg_info_used_list.
3942         (new_basic_block): Reset the free list to the beginning of
3943         cse_reg_info_list.
3944
3945 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
3946
3947         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
3948         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
3949         (frv_expand_mdpackh_builtin): New function.
3950         (frv_expand_builtin): Use it to expand __MDPACKH.
3951         * doc/extend.texi (__MDPACKH): Update documentation.
3952
3953 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
3954
3955         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
3956         SSE_FLOAT_MODE_P for use_sse computation.
3957
3958 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
3959
3960         PR target/19663
3961         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
3962
3963 2005-01-27  Richard Henderson  <rth@redhat.com>
3964
3965         * builtins.c (expand_builtin_copysign): New.
3966         (expand_builtin): Call it.
3967         * genopinit.c (optabs): Add copysign_optab.
3968         * optabs.c (init_optabs): Initialize it.
3969         (expand_copysign): New.
3970         * optabs.h (OTI_copysign, copysign_optab): New.
3971         (expand_copysign): Declare.
3972
3973         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
3974         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
3975
3976         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
3977         (ix86_expand_fp_absneg_operator): ... here.
3978         (ix86_split_copysign): New.
3979         * config/i386/i386-protos.h: Update.
3980         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
3981         (copysignsf3, copysigndf3): New.
3982
3983         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
3984         (copysignsf3, ncopysignsf3): New.
3985         (copysigndf3, ncopysigndf3): New.
3986         (copysignxf3, ncopysignxf3): New.
3987         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
3988
3989 2005-01-27  Arend Bayer  <arend.bayer@web.de>
3990             Kazu Hirata  <kazu@cs.umass.edu>
3991
3992         * cse.c: (find_best_addr): Don't call copy_rtx before calling
3993         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
3994         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
3995         NULL_RTX.
3996
3997 2005-01-27  Jeff Law  <law@redhat.com>
3998
3999         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
4000         definitions of SSA_NAMEs which are not being rewritten.
4001         (rewrite_ssa_into_ssa): Only initialize the current definition
4002         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
4003         If checking is enabled, assert that SSA_NAME_AUX is clear for all
4004         SSA_NAMEs before returning.
4005
4006 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
4007
4008         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
4009         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
4010         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
4011         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
4012         config/mips/iris6.h, config/sh/sh.c: Update copyright.
4013
4014 2005-01-27  Steven Bosscher  <stevenb@suse.de>
4015
4016         PR middle-end/17278
4017         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
4018         higher to -O2 and higher.  Likewise for tree PRE.
4019         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
4020         and better.
4021
4022 2005-01-27  Ian Lance Taylor  <ian@airs.com>
4023
4024         PR middle-end/19583
4025         * gimple-low.c (try_catch_may_fallthru): New static function.
4026         (block_may_fallthru): Handle TRY_CATCH_EXPR.
4027         * tree-inline.c (expand_call_inline): Don't warn about reaching
4028         the end of a non-void function being inlined if the function uses
4029         a return slot.
4030
4031 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
4032
4033         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
4034
4035         PR c/18946
4036         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
4037         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
4038         (implicitly_declare): Handle error_mark_node.
4039
4040 2005-01-27  Richard Henderson  <rth@redhat.com>
4041
4042         PR tree-opt/14329
4043         * tree.h (struct tree_decl): Add debug_expr_is_from.
4044         (DECL_DEBUG_EXPR_IS_FROM): New.
4045         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
4046         * dwarf2out.c (dwarf2out_var_location): Update to match.
4047         * tree-outof-ssa.c (create_temp): Likewise.
4048         * var-tracking.c (track_expr_p): Likewise.
4049         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
4050         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
4051         * toplev.c (default_tree_printer): Likewise.
4052
4053 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
4054
4055         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
4056         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
4057
4058 2005-01-27  Steven Bosscher  <stevenb@suse.de>
4059
4060         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
4061         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
4062         ASM_CLOBBERS): Add tree checks.
4063
4064         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
4065         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
4066         * c-common.def (SWITCH_STMT): Update to match.
4067         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
4068         macros instead of SWITCH_EXPR ones.
4069         * c-dump.c (c_dump_tree): Likewise.
4070         * c-gimplify.c (gimplify_switch_stmt): Likewise.
4071         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
4072
4073         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
4074
4075 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
4076
4077         * unwind-dw2.c (execute_stack_op): Add missing cases for
4078         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
4079
4080 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
4081
4082         * config.gcc (Obsolete configurations): Remove 'dummy', add
4083         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
4084         sparc-*-openbsd*.
4085
4086 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
4087
4088         PR tree-optimization/19633
4089         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
4090         CALL_EXPRs.
4091         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
4092         are no call-clobbered variables.
4093         * tree-outof-ssa.c (check_replaceable): Return false for calls
4094         with side-effects.
4095
4096 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
4097
4098         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
4099         even for variables with NULL DECL_INITIAL.
4100
4101 2005-01-26  Stuart Hastings  <stuart@apple.com>
4102
4103         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
4104
4105 2005-01-26  Richard Henderson  <rth@redhat.com>
4106
4107         PR middle-end/18008
4108         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
4109         field's type.
4110         * expr.c (store_field): Strip conversions to odd-bit-sized types
4111         if the destination field width matches.
4112
4113 2005-01-26  Richard Henderson  <rth@redhat.com>
4114
4115         * c-decl.c, expmed.c, expr.c: Revert last change.
4116
4117 2005-01-26  Richard Henderson  <rth@redhat.com>
4118
4119         PR middle-end/18008
4120         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
4121         field's type.
4122         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
4123         if we don't need the bits above those present in the current mode.
4124         * expr.c (store_field): Strip conversions to odd-bit-sized types
4125         if the destination field width matches.
4126
4127 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
4128
4129         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
4130         either -ffast-math or -funsafe-math-optimizations is in use.
4131
4132 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
4133
4134         PR target/19293
4135         PR target/19329
4136         * config/avr/avr.c (notice_update_cc): Only set condition code for
4137         ashrqi3 if shift count > 0.
4138         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
4139         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
4140         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
4141         count <= 0 as a no-op, and shift count >= width by copying zero
4142         or sign bit to all bits of the result.
4143         * config/avr/avr.md (all shifts): Add alternatives for zero shift
4144         count, with attribute "length" set to 0 and "cc" set to "none".
4145
4146 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
4147
4148         * doc/invoke.texi: Document -mTLS.
4149
4150         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
4151         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
4152         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
4153         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
4154         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
4155         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
4156         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
4157         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
4158
4159         * configure.ac: Check for a TLS capable gas.
4160
4161         * configure: Regenerate.
4162
4163 2005-01-26  Richard Henderson  <rth@redhat.com>
4164
4165         PR middle-end/18008
4166         * combine.c (make_field_assignment): Simplify store to zero_extract
4167         from a source with an overlapping mask.
4168
4169 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
4170
4171         2004-11-11  Eric Christopher  <echristo@redhat.com>
4172
4173         * config/frv/frv.md: Add fr400_integer automaton. Don't
4174         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
4175         to TYPE_MACC.
4176
4177 2005-01-26  Steven Bosscher  <stevenb@suse.de>
4178
4179         PR middle-end/16585
4180         * cfgbuild.c (make_edges): Do not clear or set
4181         current_function_has_computed_jump.
4182         * function.h (struct function): Remove the has_computed_jump field.
4183         (current_function_has_computed_jump): Do not define.
4184         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
4185         in a computed jump.  Ignore current_function_has_computed_jump.
4186
4187 2005-01-26  Richard Henderson  <rth@redhat.com>
4188
4189         PR middle-end/19515
4190         * expr.c (categorize_ctor_elements): New argument p_must_clear.
4191         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
4192         fully initialized.
4193         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
4194         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
4195         objects into static storage if they have more than one non-zero value.
4196         * tree.h (categorize_ctor_elements): Update decl.
4197
4198 2005-01-26  Steven Bosscher  <stevenb@suse.de>
4199
4200         PR middle-end/19616
4201         * tree.h (CALL_EXPR_TAILCALL): Add comment.
4202         * calls.c (check_sibcall_argument_overlap_1): Revert the change
4203         to this function from 2004-07-10.
4204         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
4205         the current function for tail call optimizations if the address
4206         of one of it its arguments is taken.
4207
4208 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
4209
4210         * cse.c (fold_rtx): Call equiv_constant only when necessary.
4211
4212 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
4213
4214         * function.c (expand_function_end): If current_function_calls_alloca,
4215         emit stack restore in a place that is reached when the function falls
4216         through at the end.
4217
4218 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
4219
4220         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
4221         rule to avoid matching inappropriate suffix rule.
4222
4223 2005-01-26  Jan Hubicka  <jh@suse.cz>
4224
4225         PR tree-optimization/19241
4226         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
4227
4228 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
4229
4230         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
4231         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
4232         of doubling.
4233         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
4234         <sim*>: Always use crt1.o, regardless of N in simN.
4235         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
4236         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
4237         (CRT_CALL_STATIC_FUNCTION): Remove.
4238         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
4239         use crt1.o, regardless of N in simN.
4240         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
4241         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
4242         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
4243         case isystem setting.
4244         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
4245
4246 2005-01-25  Ian Lance Taylor  <ian@airs.com>
4247
4248         * gimple-low.c (block_may_fallthru): Correct handling of
4249         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
4250
4251 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
4252
4253         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
4254         handlers to match indentation; nested under the mtune=* handler.
4255         Similar for mcpu= and march=.
4256
4257 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
4258
4259         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
4260         * config/mips/linux64.h (LIB_SPEC): Likewise.
4261         * config/mn10300/linux.h (LIB_SPEC): Likewise.
4262         * config/sh/linux.h (LIB_SPEC): Likewise.
4263
4264 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
4265
4266         * config/frv/frv.c (frv_legitimize_tls_address): New.
4267         (TARGET_HAVE_TLS): Define.
4268         (FRV_SYMBOL_REF_TLS_P): Define.
4269         (frv_override_options): Handle new register classes.
4270         (frv_legitimate_address_p): Reject tls addresses.
4271         (frv_legitimize_address): Handle TLS addresses.
4272         (gen_inlined_tls_plt): New.
4273         (gen_tlsmoff): New.
4274         (frv_legitimize_tls_address): New.
4275         (unspec_got_name): Add TLS entries.
4276         (got12_operand): Add R_FRV_TLSMOFF12 case.
4277         (frv_emit_move): Fixup TLS addresses.
4278         (frv_emit_movsi): Legitimize TLS addresses.
4279
4280         * config/frv/frv.h (MASK_BIG_TLS): New.
4281         (TARGET_BIG_TLS): New.
4282         (HAVE_AS_TLS): Define.
4283         (TARGET_SWITCHES): Add -mTLS and -mtls options.
4284         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
4285         (REG_CLASS_NAMES): Same.
4286         (REG_CLASS_CONTENTS): Same.
4287         (CONSTRAINT_LEN): New.
4288         (REG_CLASS_FROM_CONSTRAINT): New.
4289         (PREDICATE_CODES): Add symbolic_operand.
4290
4291         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
4292         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
4293         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
4294         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
4295         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
4296         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
4297         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
4298         GR9_REG, GR14_REG, LRREG.
4299         (type): Add load_or_call attribute.
4300         ("load_or_call"): New reservation.
4301         ("call_gettlsoff"): New.
4302         ("tls_indirect_call"): New.
4303         ("tls_load_gottlsoff12"): New.
4304         ("tlsoff_hilo"): New.
4305         ("tls_tlsdesc_ldd"): New.
4306         ("tls_tlsoff_ld"): New.
4307         ("tls_lddi"): New.
4308
4309         * config/frv/frv-protos.h (symbolic_operand): Protoize.
4310
4311         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
4312
4313         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
4314         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
4315         * config/frv/frv.c (TLS_BIAS): Define.
4316         (frv_output_dwarf_dtprel): New.
4317
4318 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
4319
4320         PR rtl-optimization/19579
4321         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
4322         both A and B, see if they don't clobber registers the other expr uses.
4323
4324 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
4325
4326         * real.c (do_add): Initialize signalling and canonical members.
4327
4328         * real.c (real_from_integer): Zero out destination.
4329
4330 2005-01-18  Jan Hubicka  <jh@suse.cz>
4331
4332         PR tree-optimize/19337
4333         * tree-inline.c (initialize_inlined_parameters): Copy
4334         saved_static_chain_decl only.
4335
4336 2005-01-25  Richard Henderson  <rth@redhat.com>
4337
4338         PR target/19556
4339         PR target/19584
4340         * config/i386/i386.c (x86_inter_unit_moves): Zero.
4341         (ix86_preferred_reload_class): Rewrite fp-constant section, with
4342         80387 enabled, to return a proper subclass.  Return the subset that
4343         overlaps with GENERAL_REGS for PLUS.
4344         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
4345
4346 2005-01-25  Richard Henderson  <rth@redhat.com>
4347
4348         PR middle-end/19609
4349         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
4350
4351 2005-01-25  Roger Sayle  <roger@eyesopen.com>
4352
4353         * expmed.c (choose_multiplier): Change interface to return the
4354         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
4355         (expand_divmod): Update calls to choose_multiplier.
4356
4357 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4358
4359         PR middle-end/19330
4360         * expmed.c (extract_bit_field): Use adjust_address instead of
4361         gen_lowpart when op0 is a MEM.
4362
4363 2005-01-24  Steven Bosscher  <stevenb@suse.de>
4364
4365         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
4366
4367 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
4368
4369         * config/mips/irix-csr.c: New file.
4370         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
4371         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
4372         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
4373         executables.
4374
4375 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
4376
4377         PR bootstrap/19364
4378         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
4379         sparc/elf.h, add sparc/sp-elf.h.
4380         (sparc-*-rtems*): Likewise.
4381         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
4382         tm-dwarf2.h, add sparc/sp-elf.h.
4383         (sparc86x-*-elf): Likewise.
4384         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
4385         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
4386         TARGET_OS_CPP_BUILTINS.
4387         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
4388         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
4389         Undefine it.
4390         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
4391         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
4392         (SWITCH_TAKES_ARG): Likewise.
4393         (LOCAL_LABEL_PREFIX): Likewise.
4394         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
4395         (TARGET_N_FORMAT_TYPES): Delete.
4396         (TARGET_FORMAT_TYPES): Likewise.
4397         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
4398         * config/sparc/elf.h: Delete.
4399         * config/sparc/sp-elf.h: New file.
4400
4401 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
4402
4403         * tree-flow-inline.h (phi_arg_from_edge): Remove.
4404         * tree-flow.h: Remove the corresponding prototype.
4405         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
4406         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
4407
4408 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
4409
4410         PR target/17751
4411         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
4412         for AIX ABI or ELF -fPIC.
4413         (rs6000_emit_load_toc_table): Don't create toc_section here.
4414         (rs6000_xcoff_file_start): Nor here.
4415
4416 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
4417
4418         * sh.c (ra.h): Don't #include.
4419         (hard_regs_intersect_p): New function, resurrected from ra.c.
4420
4421         * sh.c: Fix 1996 Copyright.
4422
4423 2005-01-24  Richard Henderson  <rth@redhat.com>
4424             Aldy Hernandez  <aldyh@redhat.com>
4425
4426         * regrename.c (note_sets): Handle subregs.
4427
4428 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
4429
4430         PR bootstrap/18058
4431         * genconditions.c (write_header, write_conditions): Elide file if
4432         not GCC >= 3.0.1.
4433
4434 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
4435
4436         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
4437         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
4438         Update copyright.
4439
4440 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
4441
4442         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
4443         expand_builtin_printf, expand_builtin_fprintf,
4444         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
4445         checking against POINTER_TYPE.
4446         (validate_arglist): Handle POINTER_TYPE code by checking
4447         POINTER_TYPE_P.
4448
4449 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
4450
4451         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
4452         init_rtlanal): New.
4453         (for_each_rtx): Call for_each_rtx_1.
4454         * rtl.h (init_rtlanal): Declare.
4455         * toplev.c (backend_init): Call init_rtlanal.
4456
4457 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
4458
4459         * flow.c (propagate_one_insn): Formatting.
4460
4461         PR middle-end/19551
4462         * flow.c (libcall_dead_p): Be more conservative if unsure.
4463         If there are any instructions between insn and call, see if they are
4464         all dead before saying the libcall is dead.
4465
4466 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
4467
4468         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
4469         operand constraint for operand 0.
4470
4471 2005-01-23  Richard Henderson  <rth@redhat.com>
4472
4473         PR 19486
4474         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
4475         edges leading to join block.
4476
4477 2005-01-23  Roger Sayle  <roger@eyesopen.com>
4478
4479         * expmed.c (expand_mult_highpart): Make static.  Change type of
4480         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
4481         (expand_divmod): Updates calls to expand_mult_highpart by using
4482         gen_int_mode to pass a CONST_INT rtx.
4483         * rtl.h (expand_mult_highpart): Remove prototype.
4484
4485 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
4486
4487         * flow.c (regset_bytes, regset_size): Remove.
4488
4489         * cfganal.c: Fix a reference to Harvey's paper.
4490
4491 2005-01-23  Steven Bosscher  <stevenb@suse.de>
4492
4493         PR rtl-optimization/19464
4494         * tree-optimize.c (init_tree_optimization_passes): Add one more
4495         copyrename pass just before out-of-ssa.
4496
4497 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
4498
4499         PR bootstrap/18058
4500         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
4501         * ggc-none.c (ggc_free): Define.
4502
4503 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
4504
4505         * cse.c (max_reg, max_insn_uid): Remove.
4506         (cse_main): Don't access max_reg or max_insn_uid.
4507
4508         * c-common.c (explicit_flag_signed_bitfields,
4509         lang_statement_code_p, lang_expand_function_end): Remove.
4510         * c-common.h: Remove the corresponding declarations.
4511         * c-opts.c (c_common_handle_option): Remove all write access
4512         to explicit_flag_signed_bitfields.
4513
4514         * cgraph.c (cgraph_varpool_n_nodes): Remove.
4515         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
4516         * cgraph.h: Remove the corresponding declaration.
4517
4518         * gcse.c (null_pointer_info): Remove.
4519
4520 2005-01-23  Roger Sayle  <roger@eyesopen.com>
4521             Eric Botcazou  <ebotcazou@libertysurf.fr>
4522
4523         * combine.c (simplify_logical): Only simplify logical expressions
4524         of the form ior(and(x,y),z) by the inverse distributive law if the
4525         result is cheaper than the original.
4526
4527 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
4528
4529         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
4530         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
4531         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
4532         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
4533         config/freebsd-spec.h, config/arm/arm.h,
4534         config/h8300/h8300.md, config/i386/i386.md,
4535         config/i386/predicates.md, config/i386/sse.md,
4536         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
4537         config/vax/vax.md: Fix comment typos.  Follow spelling
4538         conventions.
4539
4540 2005-01-23  Steven Bosscher  <stevenb@suse.de>
4541
4542         * gengtype.c (walk_type): Produce `not equal to' compares for loop
4543         tests, instead of `less than'.
4544
4545 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
4546
4547         * function.c (assign_parm_setup_block): When creating a new stack slot
4548         for a parameter, get its alignment from the parameter's DECL_ALIGN
4549         rather than the type's TYPE_ALIGN.  Make sure that the parameter
4550         is at least word aligned.
4551
4552 2005-01-22  Roger Sayle  <roger@eyesopen.com>
4553
4554         PR middle-end/19378
4555         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
4556
4557 2005-01-22  Richard Henderson  <rth@redhat.com>
4558
4559         PR target/19506
4560         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
4561         in both compare operands.
4562         (movdfcc_1_sse_max): Likewise.
4563         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
4564         (movdfcc_1_sse): Likewise.
4565         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
4566         scratch register as needed.
4567
4568 2005-01-22  Richard Henderson  <rth@redhat.com>
4569
4570         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
4571
4572         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
4573
4574 2005-01-22  Richard Henderson  <rth@redhat.com>
4575
4576         * genopinit.c (optabs): Use smin/smax for floating point too.
4577         * doc/md.texi: Update to match.  Clarify that floating point
4578         results are undefined for +0/-0 and NaN.
4579         * doc/rtl.texi: Likewise.
4580         * rtl.def (SMIN, SMAX): Likewise
4581         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
4582
4583         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
4584         leading 's' to the name.
4585         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
4586         smaxxf3, sminxf3): Likewise.
4587         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
4588         Likewise.
4589
4590 2005-01-22  Paul Brook  <paul@codesourcery.com>
4591
4592         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
4593
4594 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
4595
4596         * config/s390/s390.c (struct processor_costs): New fields
4597         dlgr, dlr, dr, dsgfr, dsgr.
4598         (z900_cost, z990_cost): Values for new fields.
4599         (s390_rtx_costs): New cases MEM und COMPARE in switch
4600         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
4601         DIV, MOD, UDIV, UMOD.
4602
4603 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
4604
4605         * config/s390/s390.md ("doloop_si64"): Reload input value directly
4606         into the register being decremented.
4607         ("doloop_si31", "doloop_di"): Likewise.
4608         ("*doloop_si_long"): Adapt pattern.
4609
4610 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
4611
4612         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
4613         access registers.
4614         (CLASS_MAX_NREGS): Likewise.
4615
4616 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
4617
4618         * doc/tree-ssa.texi (Statement Operands): Add example for new
4619         must-def macro. Note deprecation of old operands interface.
4620
4621 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
4622
4623         PR tree-optimization/19484
4624         * tree-cfg.c (remove_fallthru_edge): New function.
4625         (cleanup_control_flow): Remove fallthru edges from calls that are
4626         now known not to return.
4627
4628 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
4629
4630         Fix PR tree-optimization/19038
4631         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
4632         copies with loop variant ones.
4633
4634 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
4635
4636         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
4637         config/alpha/alpha-protos.h, config/alpha/alpha.h,
4638         config/alpha/alpha.md, config/alpha/predicates.md,
4639         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
4640         config/sparc/sol2.h: Update copyright.
4641
4642         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
4643         first label to see if it is a nonlocal label.
4644
4645 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
4646             Andrew Pinski  <pinskia@physics.uc.edu>
4647
4648         PR target/19491
4649         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
4650         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
4651
4652 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
4653
4654         * config/rs6000/rtems.h: Update copyright.
4655
4656 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
4657
4658         PR target/19548
4659         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
4660         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
4661         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
4662
4663 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4664
4665         PR c/18809
4666         * c-typeck.c (convert_arguments): Check for error_mark_node.
4667
4668 2005-01-21  Ian Lance Taylor  <ian@airs.com>
4669
4670         PR tree-optimization/13000
4671         * tree-inline.c: Include "tree-flow.h".
4672         (expand_call_inline): If warn_return_type, warn if non-void inline
4673         function falls through.
4674         * tree-cfg.c (execute_warn_function_return): Don't warn about
4675         control reaching end if TREE_NO_WARNING is set.  Set
4676         TREE_NO_WARNING.
4677         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
4678         has been lowered.
4679         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
4680         branch if we don't need one.
4681         * c-typeck.c: Include "tree-flow.h"
4682         (c_finish_bc_stmt): Don't add a goto if the current statement
4683         list doesn't fall through to the current point.
4684
4685 2005-01-21  Roger Sayle  <roger@eyesopen.com>
4686
4687         PR rtl-optimization/576
4688         * real.c (real_arithmetic): Change return type from void to bool
4689         to return an indication that the result may be inexact.
4690         * real.h (real_arithmeric): Update prototype.
4691         * fold-const.c (const_binop):  Don't constant fold floating
4692         point expressions when the user specifies -frounding-math and
4693         the result may depend upon the run-time rounding mode.
4694         (fold_convert_const_real_from_real): Clean-up.
4695         (fold_initializer): Ignore flag_rounding_math for initializers.
4696         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
4697         constant fold FP operations with flag_rounding_math if the
4698         result may depend upon the run-time rounding mode.
4699
4700 2005-01-21  Tom Tromey  <tromey@redhat.com>
4701
4702         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
4703
4704 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
4705
4706         * tree-cfg.c: Fix comment typos.
4707
4708 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
4709
4710         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
4711         around the call to rest_of_handle_branch_target_load_optimize.
4712
4713 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
4714
4715         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
4716         (sparc64-*-openbsd*): Likewise.
4717         (sparclite-*-elf*): Include tm-dwarf2.h.
4718         (sparc86x-*-elf*): Likewise.
4719         (sparc64-*-elf*): Likewise.
4720         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
4721         (DBX_DEBUGGING_INFO): Likewise.
4722         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
4723         (PREFERRED_DEBUGGING_TYPE): Likewise.
4724         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
4725         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
4726         (PREFERRED_DEBUGGING_TYPE): Likewise.
4727         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
4728         (PREFERRED_DEBUGGING_TYPE): Likewise.
4729         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
4730
4731 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
4732
4733         PR target/18701
4734         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
4735
4736 2005-01-20  Paul Brook  <paul@codesourcery.com>
4737
4738         * doc/rtl.texi: Document value extension requirements for CONST_INT.
4739
4740 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
4741
4742         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
4743         label is first in a sequence of labels.
4744
4745         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
4746
4747 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
4748             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
4749
4750         * doc/sourcebuild.texi (Test Directives): New.
4751
4752 2005-01-20  Roger Sayle  <roger@eyesopen.com>
4753
4754         * real.c (real_floor): Don't leave the result uninitialized when
4755         mode is VOIDMode, but return the unrounded intermediate value.
4756         (real_ceil): Likewise.
4757
4758 2005-01-20  Paul Brook  <paul@codesourcery.com>
4759
4760         * config/arm/arm.md (insv): Use gen_int_mode.
4761
4762 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
4763
4764         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
4765         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
4766         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
4767         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
4768         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
4769
4770 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
4771
4772         Fix PR debug/19124
4773         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
4774         fbreg, so we have to assume we can't.
4775         (loc_descriptor_from_tree_1): Ditto.
4776         (containing_function_has_frame_base): New function.
4777         (add_location_or_const_value_attribute): Use it.
4778         Also try to generate a frame_base from a single element location
4779         list.
4780
4781 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
4782
4783         PR tree-optimization/15349
4784         * timevar.def (TV_TREE_MERGE_PHI): New.
4785         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
4786         PHI_WANTED.
4787         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
4788         calls to tree_forwarder_block_p.
4789         (remove_forwarder_block_with_phi, merge_phi_nodes,
4790         gate_merge_phi, pass_merge_phi): New.
4791         * tree-optimize.c (init_tree_optimization_passes): Add
4792         pass_merge_phi.
4793         * tree-pass.h: Add an extern for pass_merge_phi;
4794
4795 2005-01-20  Richard Henderson  <rth@redhat.com>
4796
4797         PR target/19418
4798         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
4799         (_mm_castps_pd, _mm_castps_si128): New.
4800         (_mm_castsi128_ps, _mm_castsi128_pd): New.
4801
4802 2005-01-20  Richard Henderson  <rth@redhat.com>
4803
4804         PR target/19530
4805         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
4806         __builtin_ia32_vec_init_v2si.
4807         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
4808         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
4809         (ix86_init_mmx_sse_builtins): Create it.
4810         (ix86_expand_builtin): Expand it.
4811         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
4812         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
4813         (vec_extractv2si_0, vec_extractv2si_1): New.
4814
4815 2005-01-20  Richard Henderson  <rth@redhat.com>
4816
4817         PR target/16533
4818         * config/i386/i386.c (ix86_expand_push): New.
4819         * config/i386/mmx.md (push<MMXMODE>1): New.
4820         * config/i386/sse.md (push<SSEMODE>1): New.
4821         * config/i386/i386-protos.h: Update.
4822
4823 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
4824
4825         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
4826         copyright.
4827
4828 2005-01-20  Richard Henderson  <rth@redhat.com>
4829
4830         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
4831         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
4832
4833 2005-01-19  Richard Henderson  <rth@redhat.com>
4834
4835         PR target/19350
4836         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
4837         to V4SFmode in SSE1 fallback load path.
4838
4839 2005-01-19  Richard Henderson  <rth@redhat.com>
4840
4841         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
4842         in QImode expansion to ix86_expand_vector_set.
4843         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
4844
4845 2005-01-19  Richard Henderson  <rth@redhat.com>
4846
4847         PR target/19511
4848         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
4849         subclass of the input class.
4850         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
4851         Always true for cross-SSE1 classes.  Rationalize conditionals.
4852         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
4853         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
4854         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
4855         (movdi_2): Add MMX/SSE zeros.
4856         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
4857         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
4858         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
4859         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
4860         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
4861         (zero_extendsidi2_rex64_1): Remove.
4862         (MOV0 peephole): Check GENERAL_REG_P.
4863
4864 2005-01-19  Richard Henderson  <rth@redhat.com>
4865
4866         PR target/19427
4867         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
4868         shufps elements.
4869         (ix86_expand_vector_extract): Likewise.
4870
4871 2005-01-19  Richard Henderson  <rth@redhat.com>
4872
4873         PR middle-end/19304
4874         * expr.c (emit_move_change_mode): New argument force; use
4875         simplify_gen_subreg if true.
4876         (emit_move_via_alt_mode): Merge into ...
4877         (emit_move_via_integer): ... here.
4878         (emit_move_ccmode): Use emit_move_change_mode directly.
4879
4880 2005-01-19  Richard Henderson  <rth@redhat.com>
4881
4882         PR target/19518
4883         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
4884         (alpha_preferred_reload_class): Handle CONST_VECTOR.
4885         (alpha_emit_set_const_1): Add no_output parameter; don't emit
4886         rtl if true.
4887         (alpha_emit_set_const): Likewise.  Make static.
4888         (alpha_emit_set_long_const): Make static.
4889         (alpha_extract_integer): Split out from alpha_expand_mov.
4890         (alpha_split_const_mov): Likewise.
4891         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
4892         (alpha_legitimate_constant_p): New.
4893         * config/alpha/alpha-protos.h: Update.
4894         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
4895         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
4896         * config/alpha/alpha.md (movsi): Add n alternative.
4897         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
4898         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
4899         (splitters for all of the above): Use alpha_split_const_mov.
4900         * config/alpha/predicates.md (non_add_const_operand): New.
4901         (non_zero_const_operand): New.
4902         (input_operand): Use alpha_legitimate_constant_p after reload.
4903
4904 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
4905
4906         PR tree-optimization/19038
4907         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
4908         (add_candidate): Add ivs with increment in latch only if
4909         allow_ip_end_pos_p is true.
4910         (determine_iv_cost): Use empty_block_p.
4911
4912 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
4913
4914         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
4915         (compute_dominance_frontiers): Ditto.
4916
4917 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
4918
4919         PR target/19529
4920         * config/sh/t-rtems: New.
4921         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
4922
4923 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
4924
4925         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
4926         the offset of the selected field.
4927
4928 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
4929
4930         * tree-cfg.c (remove_forwarder_block): Fix the check to
4931         prevent a nonlocal label from appearing in the middle of a
4932         basic block.
4933
4934 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
4935
4936         PR rtl-optimization/19462
4937         * reorg.c (find_end_label): Create return insn only if
4938         current_function_epilogue_delay_list is empty.
4939
4940 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
4941
4942         * doc/passes.texi: Remove paragraph mentioning new-ra.
4943
4944 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
4945
4946         PR rtl-optimization/15139
4947         * combine.c: Include params.h.
4948         (count_rtxs): New function.
4949         (record_value_for_reg): If replace_rtx would replace at least
4950         2 occurrences of REG in VALUE and TEM is really large, replace REG with
4951         (clobber (const_int 0)) instead of TEM.
4952         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
4953         * params.h (MAX_LAST_VALUE_RTL): New.
4954         * Makefile.in (combine.o): Depend on $(PARAMS_H).
4955         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
4956
4957         PR c/17297
4958         * c-typeck.c (digest_init): Only call build_vector if all constructor
4959         elements are *_CST nodes.
4960         * gimplify.c (gimplify_init_constructor): Likewise.
4961
4962         PR middle-end/19164
4963         * c-typeck.c (digest_init): Only call build_vector if inside_init
4964         is a CONSTRUCTOR.
4965
4966 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
4967
4968         * toplev.c (init_asm_output): Remove dead #ifdef.
4969
4970 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
4971
4972         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
4973
4974 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
4975
4976         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
4977         accessing DECL_FUNCTION_CODE.
4978         * dojump.c (do_jump): Likewise.
4979         * gimplify.c (gimplify_call_expr): Likewise.
4980         * predict.c (expr_expected_value): Likewise.
4981         (strip_builtin_expect): Likewise.
4982         * tree-inline.c (estimate_num_insns_1): Likewise.
4983         * tree-ssa-loop-im.c (stmt_cost): Likewise
4984         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
4985         (tree_expr_nonnegative_p): Likewise.
4986
4987 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
4988
4989         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
4990         variant of the load_pcrel_sym pattern.
4991         * config/sparc/sparc.md (P macro): Move to the top.
4992         (load_pcrel_sym): Macroize using P.
4993         (save_register_window): Likewise.
4994
4995 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
4996
4997         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
4998         ("sordered"): Same.
4999
5000 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
5001
5002         PR C/19472
5003         * c-typeck.c (build_asm_expr): Strip nops off
5004         input memory operands.
5005
5006 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
5007
5008         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
5009         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
5010         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
5011         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
5012
5013 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
5014
5015         PR target/19379
5016         * config/i386/i386.c (override_options): If the 80387 is disabled,
5017         then do not return FP values using FP registers.
5018
5019 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
5020
5021         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
5022         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
5023         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
5024         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
5025         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
5026         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
5027         output.h, postreload-gcse.c, postreload.c, recog.c,
5028         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
5029         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
5030         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
5031         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
5032         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
5033         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
5034         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
5035         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
5036
5037         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
5038         config/alpha/alpha.c, config/arm/vfp.md,
5039         config/i386/emmintrin.h, config/i386/i386-modes.def,
5040         config/i386/i386-protos.h, config/i386/i386.h,
5041         config/i386/pmmintrin.h, config/i386/ppro.md,
5042         config/i386/predicates.md, config/i386/xmmintrin.h,
5043         config/i860/i860.c, config/ia64/ia64-modes.def,
5044         config/ia64/ia64-protos.h, config/ia64/ia64.h,
5045         config/ia64/ia64.md, config/ia64/itanium1.md,
5046         config/ia64/itanium2.md, config/ia64/predicates.md,
5047         config/iq2000/iq2000.h, config/mips/linux64.h,
5048         config/rs6000/aix41.h, config/rs6000/aix43.h,
5049         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
5050         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
5051         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
5052         config/sparc/linux64.h, config/sparc/litecoff.h,
5053         config/sparc/sp64-elf.h, config/sparc/sparc.c,
5054         config/sparc/sparc.h, config/sparc/sparc.md,
5055         config/sparc/sysv4-only.h: Update copyright.
5056
5057 2005-01-18  Richard Henderson  <rth@redhat.com>
5058
5059         PR target/19496
5060         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
5061
5062 2005-01-18  Marc Espie  <espie@openbsd.org>
5063         * config/i386/openbsdelf.h: Typo.
5064
5065 2005-01-18  Richard Henderson  <rth@redhat.com>
5066
5067         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
5068         special case for sse.
5069         * config/i386/predicates.md (sse_comparison_operator): Likewise.
5070
5071 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
5072
5073         * tree-inline.c (estimate_num_insns_1): Added cases for
5074         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
5075
5076 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
5077
5078         PR rtl-optimization/19296
5079         * combine.c (simplify_comparison): Rewrite the condition under
5080         which a non-paradoxical SUBREG of a PLUS can be lifted when
5081         compared against a constant.
5082
5083 2005-01-18  Andi Kleen <ak@muc.de>
5084
5085         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
5086         * c.opt (-Wpointer-sign): Add.
5087         * doc/invoke.texi: (-Wpointer-sign): Add.
5088
5089 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
5090
5091         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
5092         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
5093         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
5094         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
5095         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
5096         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
5097         for TARGET_MIX_SSE_I387.
5098         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
5099         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
5100         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
5101         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
5102         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
5103         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
5104         TARGET_MIX_SSE_I387.
5105         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
5106         from expander.
5107
5108 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
5109
5110         PR target/19424
5111         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
5112         Add movaps alternative for xmm reg->reg move.
5113
5114 2005-01-17  Jeff Law  <law@redhat.com>
5115
5116         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
5117         at the end of the main DOM loop rather than just before DOM exits.
5118
5119 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
5120
5121         PR tree-optimization/19121
5122         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
5123         adding aliases to a name tag, also add them to the pointer's
5124         type tag.
5125         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
5126         sensitive alias info at all.  Only check that the two pointers
5127         have compatible pointed-to sets.
5128         * tree-ssa.c (verify_name_tags): Verify that the alias set of
5129         a pointer's type tag is a superset of the alias set of the
5130         pointer's name tag.
5131
5132 2005-01-17  James E Wilson  <wilson@specifixinc.com>
5133
5134         PR target/19357
5135         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
5136         comment to document why.
5137
5138 2005-01-17  Richard Henderson  <rth@redhat.com>
5139
5140         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
5141         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
5142         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
5143         sse2_vmsminv2df3_finite): New.
5144         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
5145         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
5146         Force op1 into register.
5147
5148 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
5149
5150         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
5151         bubblestrap from always rebuilding build directory.
5152
5153 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
5154
5155         * config/s390/s390.md ("*clc"): Remove incorrect '='.
5156         ("*cmpmem_short"): Likewise.
5157
5158 2005-01-17  Steven Bosscher  <stevenb@suse.de>
5159
5160         * basic-block.h: Document BB_* flags.
5161         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
5162         use an sbitmap instead.
5163         * sched-rgn.c (compute_trg_info): Likewise.
5164
5165 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
5166
5167         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
5168         redundant target_cpu_default and extra_parts lines.  Use the default
5169         "from-abi" ISA.
5170         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
5171         (SUBTARGET_EXTRA_SPECS): Delete.
5172         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
5173         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
5174         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
5175         and "n32" for -mabi=n32.
5176
5177 2005-01-17  Ian Lance Taylor  <ian@airs.com>
5178
5179         PR c/5675
5180         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
5181         fold constant variables into initial values.
5182
5183 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
5184
5185         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
5186
5187         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
5188         through the statements backward.
5189
5190 2005-01-17  Ian Lance Taylor  <ian@airs.com>
5191
5192         PR middle-end/13127:
5193         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
5194         a variable set to the return value of the inlined function.
5195
5196 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
5197
5198         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
5199         when modes are tieable.
5200
5201 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
5202
5203         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
5204         of pthread_create to find out if threads are enabled.
5205         * gthr-posix95.h (__gthread_active_p): Likewise.
5206
5207 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
5208
5209         * common.opt (-fnew-ra): Remove.
5210         * ra*.*: Remove.
5211         * toplev.h (flag_new_regalloc): Remove.
5212         * Makefile.in (ra*.*): Don't mention.
5213         * passes.c (rest_of_handle_new_regalloc): Remove.
5214         (rest_of_handle_combine, rest_of_compilation): Always consider
5215         flag_new_regalloc as false.
5216         * doc/invoke.texi: Don't document -fnew-ra.
5217
5218 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
5219
5220         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
5221         last parameter to reg_scan.
5222         * loop.c (loop_optimize): Likewise.
5223         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
5224         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
5225         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
5226         rest_of_handle_gcse, rest_of_handle_loop_optimize,
5227         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
5228         * regclass.c (reg_scan): Likewise, for the declaration.
5229         * rtl.h (reg_scan): Likewise, for the prototype.
5230
5231 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
5232
5233         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
5234         mark_dfs_back_edges.
5235
5236 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
5237
5238         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
5239         (compute_avail): Uses don't go in tmp_gen.
5240
5241 2005-01-16  Steven Bosscher  <stevenb@suse.de>
5242
5243         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
5244         loop to look for a free slot in a page entry.
5245
5246 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5247
5248         PR target/16304
5249         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
5250         * toplev.c (compile_file): Call process_pending_assemble_output_defs
5251         just before targetm.asm_out.file_end.
5252         * tree.h (process_pending_assemble_output_defs): Declare.
5253         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
5254         New functions.
5255         (assemble_alias): Defer generation of assembly code for defines when
5256         TARGET_DEFERRED_OUTPUT_DEFS is true.
5257         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
5258         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
5259         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
5260
5261 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5262
5263         PR target/19336
5264         * pa.c (pa_scalar_mode_supported_p): New function.
5265         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
5266         * pa.h (MIN_UNITS_PER_WORD): Add comment.
5267
5268         * pa-protos.h (prefetch_operand): Delete.
5269         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
5270         * pa.c (prefetch_operand): Delete.
5271         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
5272         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
5273         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
5274         and prefetch_nocc_operand.
5275         * pa.md (prefetch): Rework to avoid reload problems handling short
5276         displacements when a cache control completer needs to be provided.
5277         (prefetch_32, prefetch_64): Delete.
5278         (prefetch_cc, prefetch_nocc): New patterns.
5279
5280 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
5281
5282         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
5283
5284 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5285
5286         PR ada/19388
5287         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
5288         exceeds maximum alignment for global common data.
5289         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
5290         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
5291
5292 2004-01-15  Roger Sayle  <roger@eyesopen.com>
5293
5294         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
5295
5296 2004-01-15  Roger Sayle  <roger@eyesopen.com>
5297
5298         * harg-reg-set.h (reg_class_names): Prototype global array.
5299         * regclass.c (reg_class_names): Declare here and initialize to
5300         REG_CLASS_NAMES.
5301         (dump_regclass): Remove local declaration of reg_class_names.
5302         (regclass): Likewise.
5303         * cfg.c (dump_flow_info): Likewise.
5304         * ra-debug.c (reg_class_names): Likewise.
5305         * regrename.c (reg_class_names): Likewise.
5306         * reload.c (reg_class_names): Likewise.
5307         * reload1.c (spill_failure): Likewise.
5308         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
5309
5310 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
5311
5312         * config/s390/s390.md ("reload_outti"): Remove predicate for
5313         output operand.  Abort if operand is not a MEM.
5314         ("reload_outdi", "reload_outdf"): Likewise.
5315
5316 2005-01-15  Marc Espie  <espie@openbsd.org>
5317
5318         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
5319         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
5320         * config/openbsd.h:  Fix C++ includes for native configurations.
5321         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
5322         Add trampoline support.
5323         * config/i386/openbsdelf.h: New.
5324
5325 2005-01-15  Marc Espie  <espie@openbsd.org>
5326
5327         * collect2.c (main): Explicitly parse -dynamic-linker option.
5328
5329 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
5330
5331         PR tree-optimization/19060
5332         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
5333         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
5334         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
5335         and handle extract_range_from_cond returning false.
5336         * fold-const.c (fold): Optimize comparisons with min/max even for
5337         width > HOST_BITS_PER_WIDE_INT.
5338
5339 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
5340
5341         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
5342         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
5343         Remove little endian multilib variants.
5344         Add mips32 multilib variant.
5345
5346 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
5347
5348         * explow.c (copy_all_reg, stabilize): Remove.
5349         * expr.h: Remove the corresponding prototypes.
5350
5351         * rtlanal.c (regs_set_between_p): Remove.
5352         * rtl.h: Remove the corresponding prototype.
5353
5354 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
5355
5356         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
5357         to rs6000_nonimmediate_operand.
5358         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
5359         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
5360         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
5361         rs6000_nonimmediate_operand.
5362         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
5363         rs6000_nonimmediate_operand.
5364
5365 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
5366
5367         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
5368
5369 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
5370
5371         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
5372         on e500v2.
5373         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
5374         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
5375
5376         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
5377         (rs6k_nonimmediate_operand): New.
5378         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
5379         correctly.
5380         (legitimate_lo_sum_address_p): Same.
5381         (rs6000_legitimize_address): Same.
5382         (rs6000_legitimize_reload_address): Same.
5383         (rs6000_legitimate_address): Same.
5384         (spe_build_register_parallel): Pass DF and DC modes in a DI
5385         register.
5386
5387         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
5388         to rs6k_nonimmediate_operand.
5389
5390         * config/rs6000/spe.md ("*frob_df_di"): New.
5391         ("*frob_di_df"): New.
5392         ("*frob_di_df_2"): New.
5393         ("*mov_sidf_e500_subreg0"): New.
5394         ("*mov_sidf_e500_subreg4"): New.
5395         ("*movdf_e500_double"): Change predicate to
5396         rs6k_nonimmediate_operand.
5397
5398 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
5399
5400         * postreload.c (move2add_note_store): Only call
5401         trunc_int_for_mode on scalar integers.
5402
5403 2005-01-14  Steven Bosscher  <stevenb@suse.de>
5404
5405         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
5406         replace BB_VISITED uses.
5407         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
5408         (propagate_necessity): Check the bitmap instead of BB_VISITED.
5409         (tree_dce_done): Free visited_control_parents.
5410         (perform_tree_ssa_dce): Allocate and clear it.
5411         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
5412         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
5413         instead of BB_VISITED.
5414
5415 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
5416
5417         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
5418         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
5419         Remove unused prototypes.
5420
5421 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
5422
5423         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
5424         64-bit register usage.
5425         (spe_func_has_64bit_regs_p): Add FIXME note.
5426
5427 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
5428
5429         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
5430         flag_finite_math_only with flag_unsafe_math_optimizations.
5431
5432 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
5433
5434         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
5435         end-of-stack check.
5436         (__tpf_eh_return): Copy TPF private stack area from the module
5437         boundary stack frame.  Add check for when module addresses are
5438         equal, but no stub address is found.
5439
5440 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
5441
5442         PR target/7525
5443         * arm.h (struct machine_function): Add call_via field.
5444         (thumb_call_via_label): Declare.
5445         * arm.c (thumb_call_via_label): New variable.
5446         (thumb_call_reg_needed): New variable.
5447         (arm_output_function_epilogue): For Thumb code, output any per-function
5448         call-indirect trampolines.
5449         (thumb_call_via_reg): New function.
5450         (arm_file_end): New function.
5451         (TARGET_ASM_FILE_END): Call arm_file_end.
5452         (aof_file_end): Likewise.
5453         * arm-protos.h (thumb_call_via_reg): Declare.
5454         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
5455         thumb_call_via_reg in normal case.
5456
5457 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
5458
5459         PR middle-end/19084
5460         PR rtl-optimization/19348
5461         * recog.c (peephole2_optimize): Do global life update if some peephole
5462         decides it doesn't need at least one of its inputs and that change
5463         influences liveness at the start of the basic block.
5464
5465         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
5466         arguments instead of 1.
5467
5468 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
5469
5470         PR middle-end/18820
5471         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
5472         zero for nested functions needing a static chain or functions
5473         with a non-constant address.
5474
5475 2005-01-13  Roger Sayle  <roger@eyesopen.com>
5476
5477         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
5478         (and (sign_extend X) C) into (zero_extend (and X C)).
5479
5480 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
5481
5482         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
5483
5484 2005-01-13  Richard Henderson  <rth@redhat.com>
5485
5486         PR target/19009
5487         PR target/19250
5488         PR target/19252
5489         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
5490         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
5491         not just TARGET_SSE.
5492         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
5493         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
5494         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
5495         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
5496         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
5497         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
5498         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
5499         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
5500         (movdicc_c_rex64): Rename with '*'.
5501         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
5502         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
5503         (movsfcc_1_387): Rename from movsfcc_1.
5504         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
5505         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
5506         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
5507         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
5508         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
5509         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
5510         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
5511         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
5512         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
5513         sse_movdfcc_const0_4): Remove.
5514         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
5515         recognize min/max early.  Update for changed sse cmove patterns.
5516         (ix86_split_sse_movcc): New.
5517         * config/i386/i386-protos.h: Update.
5518
5519 2005-01-13  Steven Bosscher  <stevenb@suse.de>
5520
5521         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
5522         (fix_stmt_v_may_defs): Likewise.
5523
5524 2005-01-13  Richard Henderson  <rth@redhat.com>
5525
5526         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
5527         for converting the mask.
5528
5529 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
5530
5531         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
5532         definition to 600.
5533
5534 2005-01-13  Richard Henderson  <rth@redhat.com>
5535
5536         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
5537         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
5538         IX86_BUILTIN_MOVDQ2Q): Remove.
5539         (IX86_BUILTIN_VEC_EXT_V4SI): New.
5540         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
5541         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
5542         shuffling.
5543         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
5544         (sse2_pextrw): Fix immediate constraint.
5545         (sse2_loadq, sse2_loadq_rex64): Remove.
5546         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
5547         Use __builtin_ia32_vec_ext_<size>.
5548         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
5549
5550 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
5551
5552         * function.c (assign_parm_setup_block): Look inside original
5553         entry_parm when inspecting PARALLEL.
5554
5555 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
5556             Joel Sherrill  <joel@oarcorp.com>
5557
5558         PR target/19399
5559         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
5560         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
5561         rtems_gxx_recursive_mutex_init.
5562         (__gthread_recursive_mutex_lock): New function.
5563         (__gthread_recursive_mutex_trylock): Likewise.
5564         (__gthread_recursive_mutex_unlock): Likewise.
5565
5566 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
5567
5568         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
5569
5570 2005-01-13  Jan Beulich  <jbeulich@novell.com>
5571
5572         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
5573         (ashrti3_internal): Indicate output is early clobber. Generate result
5574         into output rather than first input. Use move for low word of output
5575         if shift count is exactly 64.
5576         (lshrti3_internal): Likewise.
5577
5578 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
5579
5580         PR target/18329
5581         PR target/18330
5582         * reload1.c (delete_output_reload): Don't delete an output reload
5583         if the pseudo lives longer than a single basic block.  Adjust and
5584         improve wording of comment.
5585
5586 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
5587
5588         PR target/19334
5589         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
5590         of TYPE_SIZE where we mean the number of bytes.
5591
5592 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
5593
5594         * function.c (assign_parm_setup_block): Relax condition on
5595         multi-register optimization.
5596
5597 2005-01-12  Nick Clifton  <nickc@redhat.com>
5598
5599         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
5600         an "in_delay_slot" attribute of "no" to prevent them being used in
5601         delay slots.  This is forbidden because they might generate
5602         exceptions.
5603
5604 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
5605
5606         PR target/19389
5607         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
5608         with r->Y and Y->r.
5609
5610 2005-01-12  Nick Clifton  <nickc@redhat.com>
5611
5612         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
5613         passed on to GAS) but do not define, as GAS no longer supports or
5614         needs the -m2000 option.
5615
5616 2005-01-11  Roger Sayle  <roger@eyesopen.com>
5617
5618         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
5619         type as args of unprototyped builtins aren't automatically promoted.
5620         (fold_builtin_abs): Likewise.
5621
5622 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5623
5624         * Makefile.in: Set a `build-warn' variable.
5625
5626 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
5627
5628         PR tree-optimization/17949
5629         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
5630         (find_interesting_uses_address): Use it.
5631
5632 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
5633
5634         * regrename.c (kill_value): Handle subreg's that won't simplify.
5635
5636 2005-01-11  Richard Henderson  <rth@redhat.com>
5637
5638         PR target/13366
5639         * config/i386/i386.h (enum ix86_builtins): Move ...
5640         * config/i386/i386.c: ... here.
5641         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
5642         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
5643         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
5644         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
5645         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
5646         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
5647         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
5648         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
5649         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
5650         IX86_BUILTIN_LOADDDUP): Remove.
5651         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
5652         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
5653         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
5654         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
5655         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
5656         (ix86_init_builtins): Make static.
5657         (ix86_init_mmx_sse_builtins): Update for changed builtins.
5658         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
5659         if all the modes match.  Otherwise, fake it.
5660         (get_element_number, ix86_expand_vec_init_builtin,
5661         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
5662         (ix86_expand_builtin): Make static.  Update for changed builtins.
5663         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
5664         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
5665         (ix86_expand_vector_init_duplicate): New.
5666         (ix86_expand_vector_init_low_nonzero): New.
5667         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
5668         Split out from ix86_expand_vector_init; handle integer modes.
5669         (ix86_expand_vector_init): Use them.
5670         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
5671         * config/i386/i386-protos.h: Update.
5672         * config/i386/predicates.md (reg_or_0_operand): New.
5673         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
5674         (movv2sf_internal): Likewise.  And a splitter to match them all.
5675         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
5676         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
5677         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
5678         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
5679         (mmx_pinsrw): Fix operand ordering.
5680         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
5681         rather than sse_loadss expander.
5682         (movv2df splitter): Similarly.
5683         (sse_loadss, sse_loadlss): Remove.
5684         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
5685         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
5686         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
5687         (sse3_movddup): Rename with '*'.
5688         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
5689         (sse2_loadsd): Remove.
5690         (vec_dupv2df_sse3): Rename from sse3_loadddup.
5691         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
5692         (sse2_pinsrw): Fix argument ordering.
5693         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
5694         (sse2_stored): Remove 'r' destination.
5695         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
5696         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
5697         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
5698         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
5699         vec_extractv16qi, vec_initv16qi): New.
5700
5701         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
5702         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
5703         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
5704         constructor form.
5705         (_mm_load_pd, _mm_store_pd): Use plain dereference.
5706         (_mm_load_si128, _mm_store_si128): Likewise.
5707         (_mm_load1_pd): Use _mm_set1_pd.
5708         (_mm_load_sd): Use _mm_set_sd.
5709         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
5710         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
5711         (_mm_set_epi64): Use _mm_set_epi64x.
5712         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
5713         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
5714         _mm_setr_epi8): Use _mm_set_foo form.
5715         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
5716         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
5717         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
5718         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
5719         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
5720         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
5721         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
5722         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
5723         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
5724         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
5725         (_mm_movedup_pd): Use _mm_shuffle_pd.
5726         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
5727         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
5728         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
5729         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
5730         Use _mm_setzero_ps.
5731         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
5732         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
5733         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
5734         (_mm_store_ps): Use raw dereference.
5735         (_mm_store1_ps): Use _mm_storeu_ps.
5736         (_mm_storer_ps): Use _mm_store_ps.
5737         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
5738         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
5739
5740 2005-01-11  Stan Shebs  <shebs@apple.com>
5741
5742         * config/rs6000/rs6000.c (machopic_output_stub): Issue
5743         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
5744
5745 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
5746
5747         PR target/18761
5748         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
5749         Skip all DECLs except for FIELD_DECLs.
5750
5751 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
5752
5753         * config/s390/s390.c (override_options): Return error if
5754         -mbackchain, -mpacked-stack and -mhard-float are used together.
5755         (s390_va_start): Remove the backchain && packed-stack special case.
5756         (s390_gimplify_va_arg): Likewise.
5757         * doc/invoke.texi: Remove the ABI incompatibility note.
5758
5759 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
5760
5761         * config/s390/s390.c (struct s390_frame_layout): Remove
5762         save_backchain_p.
5763         (s390_frame_info, s390_emit_prologue): Replace occurrences of
5764         save_backchain_p with TARGET_BACKCHAIN.
5765
5766 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
5767
5768         PR target/18916
5769         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
5770         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
5771         * function.c (locate_and_pad_parm): Set new field.
5772         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
5773         Tweak where_pad test to include "none".  Always set mem align for
5774         stack_parm.
5775         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
5776         not sufficient for type.
5777         (assign_parm_setup_block): If stack_parm is zero on entry, always
5778         make a new stack local.  Block move old stack parm if necessary
5779         to new aligned stack local.
5780         (assign_parm_setup_stack): Use a block move to handle
5781         potentially misaligned entry_parm.
5782         (assign_parms_unsplit_complex): Specify required alignment when
5783         creating stack local.
5784         * calls.c (compute_argument_addresses): Override alignment of stack
5785         arg calculated from its type with the alignment given by
5786         FUNCTION_ARG_BOUNDARY.
5787         (store_one_arg): Likewise.
5788
5789 2005-01-11  Jan Beulich  <jbeulich@novell.com>
5790
5791         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
5792         Change respective itanium_class attribute to ialu.
5793         (shladdp4_internal): New.
5794         * config/ia64/predicates.md (shladd_log2_operand): New.
5795
5796 2005-01-11  Richard Henderson  <rth@redhat.com>
5797
5798         * expr.c (store_constructor): Use rtvec_alloc instead of
5799         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
5800
5801 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
5802
5803         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
5804
5805 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
5806
5807         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
5808         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
5809         (TARGET_RWRELOC): Define.
5810         (ia64_rwreloc_section_type_flags): Delete.
5811         (ia64_section_type_flags): New function.
5812         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
5813         (TARGET_RWRELOC): Define.
5814
5815 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
5816
5817         PR target/18987
5818         * config/ia64/ia64.c (process_set): For alloc insn, only call
5819         process_epilogue is !frame_pointer_needed.
5820
5821 2005-01-10  Roger Sayle  <roger@eyesopen.com>
5822
5823         PR c++/19355
5824         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
5825         unary operator and can't be treated as a binary/comparison operator.
5826
5827 2005-01-10  Richard Henderson  <rth@redhat.com>
5828
5829         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
5830         (ix86_return_in_memory): Likewise.
5831         (function_arg_advance):  Likewise.  Mirror structure in function_arg
5832         for choosing register to advance.
5833
5834 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
5835
5836         * tree-vectorizer.c, tree.def: Fix comment typos.
5837
5838 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
5839
5840         * config/s390/s390.c (struct processor_costs): 4 new fields:
5841         ddbr, ddr, debr, der.
5842         (s390_rtx_costs): More precise handling of divide instructions.
5843
5844 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
5845
5846         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
5847
5848 2005-01-10  Jan Beulich  <jbeulich@novell.com>
5849
5850         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
5851         names resulting from -ffunction-sections/-fdata-sections and linkonce
5852         ones.
5853         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
5854         based on the section name. Rearrange the section name comparison logic
5855         slightly so that each section name is compared against at most once.
5856
5857 2005-01-10  Ben Elliston  <bje@au.ibm.com>
5858
5859         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
5860         targets for which -fPIC reduces limitations on the GOT size.
5861
5862 2005-01-09  Falk Hueffner  <falk@debian.org>
5863
5864         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
5865         X/C1 cmpop C2.
5866
5867 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
5868
5869         PR target/18720
5870         * collect2.c (main): Set aixrtl_flag for -brtl option.
5871         (resolve_lib_name): Search for .so file extension before .a
5872         if aixrtl_flag set.
5873
5874 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
5875
5876         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
5877         (vect_analyze_data_refs_alignment): Add dump prints.
5878
5879 2005-01-09  Ira Rosen  <irar@il.ibm.com>
5880
5881         * tree-vectorizer.c (vect_analyze_offset_expr): Use
5882         expr_invariant_in_loop_p.
5883         Initialize outputs first thing in the function.
5884         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
5885         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
5886         (vect_analyze_pointer_ref_access): Check that the initial condition of
5887         the access function is loop invariant.
5888
5889 2005-01-09  Richard Henderson  <rth@redhat.com>
5890
5891         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
5892         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
5893         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
5894         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
5895         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
5896         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
5897         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
5898         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
5899         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
5900         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
5901         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
5902         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
5903         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
5904         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
5905         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
5906         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
5907         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
5908         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
5909         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
5910         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
5911         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
5912         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
5913         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
5914         mmx_ prefix.
5915         (mmx_clrdi, pavgusb): Remove.
5916         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
5917         with leading sse_ prefix.
5918         * config/i386/sse.md: Receive them.
5919         * config/i386/mmx.md: New file.
5920         (MMXMODE12, MMXMODE24, mmxvecsize): New.
5921         (subrv2sf3): Turn into expander for normal subtraction.
5922         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
5923         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
5924         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
5925         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
5926         commutative; use ix86_binary_operator_ok.
5927         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
5928         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
5929         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
5930         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
5931         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
5932         Macroize from existing patterns; use ix86_binary_operator_ok.
5933         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
5934         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
5935         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
5936         with vec_select+vec_concat.
5937         (mmx_pshufw, mmx_pshufw_1): Likewise.
5938         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
5939         (mmx_uavgv4hi3): Model correctly.
5940         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
5941         _mm_xor_si64): Remove casts.
5942
5943 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
5944
5945         PR tree-optimization/19224
5946         * tree-scalar-evolution.c (get_instantiated_value,
5947         set_instantiated_value): New functions.
5948         (instantiate_parameters_1): Cache the results.
5949         (instantiate_parameters, resolve_mixers): Initialize and free
5950         the cache.
5951
5952 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
5953
5954         * config/i386/i386.md (addhi_4): Correct reference in comment.
5955         (addqi_4): Same.
5956
5957 2005-01-08  Richard Henderson  <rth@redhat.com>
5958
5959         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
5960         (_mm_cvtsi128_si64x): Likewise.
5961         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
5962         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
5963         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
5964         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
5965         * config/i386/i386-protos.h: Update.
5966         * config/i386/i386.c (print_operand): Add 'H'.
5967         (ix86_fixup_binary_operands): Split out from ...
5968         (ix86_expand_binary_operator): ... here.
5969         (ix86_fixup_binary_operands_no_copy): New.
5970         (ix86_expand_fp_absneg_operator): Handle vector mode results.
5971         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
5972         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
5973         (safe_vector_operand): Use CONST0_RTX.
5974         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
5975         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
5976         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
5977         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
5978         special cases.
5979         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
5980         (IX86_BUILTIN_CMPNGESS): New.
5981         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
5982         (attr type): Add sselog1.
5983         (attr unit, attr memory): Handle it.
5984         (movti, movti_internal, movti_rex64): Move near other integer moves.
5985         (movtf, movtf_internal): Move near other fp moves.
5986         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
5987         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
5988         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
5989         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
5990         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
5991         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
5992         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
5993         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
5994         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
5995         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
5996         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
5997         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
5998         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
5999         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
6000         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
6001         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
6002         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
6003         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
6004         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
6005         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
6006         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
6007         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
6008         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
6009         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
6010         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
6011         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
6012         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
6013         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
6014         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
6015         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
6016         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
6017         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
6018         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
6019         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
6020         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
6021         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
6022         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
6023         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
6024         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
6025         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
6026         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
6027         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
6028         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
6029         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
6030         same time.
6031         (SSEPUSH, push<SSEPUSH>): Remove.
6032         (MMXPUSH, push<MMXPUSH>): Remove.
6033         (sse_movaps, sse_movaps_1, sse_movups): Remove.
6034         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
6035         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
6036         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
6037         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
6038         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
6039         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
6040         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
6041         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
6042         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
6043         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
6044         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
6045         (ppro_sse_log_V4SF): Handle sselog1.
6046         * config/i386/predicates.md (const_0_to_1_operand): New.
6047         (const_0_to_255_mul_8_operand): New.
6048         (const_1_to_31_operand): Rename from const_int_1_31_operand.
6049         (const_2_to_3_operand, const_4_to_7_operand): New.
6050         * config/i386/sse.md: New file.
6051         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
6052         (sse_movups): Rename from sse_movups_1.
6053         (sse_loadlss): Rename from sse_loadss_1.
6054         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
6055         from the name.
6056         (negv4sf2): Use ix86_expand_fp_absneg_operator.
6057         (absv4sf2, negv2df, absv2df): New.
6058         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
6059         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
6060         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
6061         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
6062         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
6063         (sse3_addsubv4sf3): Model correctly.
6064         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
6065         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
6066         (sse_movhlps): Model with vec_select+vec_concat.
6067         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
6068         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
6069         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
6070         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
6071         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
6072         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
6073         sse2_pshufhw_1): Likewise.
6074         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
6075         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
6076         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
6077         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
6078         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
6079         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
6080         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
6081         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
6082         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
6083         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
6084         sminv8hi3): Mark commutative
6085         operands.  Use ix86_binary_operator_ok.
6086         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
6087         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
6088         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
6089         sse2_punpcklqdq): Allow operand2 in memory.
6090         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
6091         sse2_movsd): Add memory alternatives.
6092         (sse_storelps): Turn expander into an insn; split after reload.
6093         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
6094         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
6095
6096 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
6097
6098         * configure.ac (DWARF-2 debug_line): Use objdump.
6099         * configure: Regenerate.
6100
6101 2005-01-08  Jeff Law  <law@redhat.com>
6102             Diego Novillo  <dnovillo@redhat.com>
6103
6104         PR tree-optimization/18241
6105         * tree-nrv.c (tree_nrv): Ignore volatile return values.
6106         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
6107         statements with volatile operands.
6108         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
6109         operands after marking a statement with has_volatile_ops.
6110
6111 2005-01-08  Roger Sayle  <roger@eyesopen.com>
6112
6113         * tree.c (int_fits_type_p): Always honor integer constant
6114         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
6115
6116 2005-01-08  Roger Sayle  <roger@eyesopen.com>
6117
6118         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
6119         the latent bug in rtl_delete_block has been resolved.
6120
6121 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
6122
6123         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
6124         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
6125
6126 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
6127
6128         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
6129         library as @multilib_dir@/$(SHLIB_SONAME).
6130
6131 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
6132
6133         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
6134         * configure: Regenerate.
6135
6136 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
6137
6138         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
6139         TYPE_MODE.
6140
6141 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
6142
6143         PR target/13674
6144         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
6145         Convert non-word aligned offset address using ld/std into
6146         indirect address.
6147
6148 2005-01-07  Richard Henderson  <rth@redhat.com>
6149
6150         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
6151
6152 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
6153
6154         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
6155
6156 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
6157
6158         PR tree-optimization/19283
6159         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
6160         is not shorter than the original type.
6161
6162         PR rtl-optimization/19012
6163         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
6164
6165         PR rtl-optimization/18861
6166         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
6167         (FULL_STATE): Define.
6168         (mark_tablejump_edge): New function.
6169         (purge_dead_tablejump_edges): New function.
6170         (find_bb_boundaries): Use it.
6171
6172         PR tree-optimization/18828
6173         * builtins.c (expand_builtin_next_arg): Remove argument and all
6174         the argument checking.
6175         (expand_builtin): Adjust caller.
6176         (expand_builtin_va_start): Likewise.  Remove error for too many
6177         arguments.
6178         (fold_builtin_next_arg): Issue error for too many arguments.
6179         After checking arguments, replace them with magic arguments that
6180         prevent further checking of the args.
6181
6182 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6183
6184         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
6185
6186 2005-01-06  Roger Sayle  <roger@eyesopen.com>
6187
6188         PR target/6077
6189         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
6190         and %{.S:...} (and their negative variants) to test whether the
6191         input file is assembler or pre-processed-assembler independent of
6192         the actual filename extension.
6193
6194 2005-01-06  Roger Sayle  <roger@eyesopen.com>
6195
6196         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
6197         of sign or zero extended values.
6198
6199 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
6200
6201         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
6202         for IBM long double format correctly.
6203
6204 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
6205
6206         Fix PR tree-optimization/18792
6207
6208         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
6209         to first_loop_depth, and use loop depth instead of loop number.
6210         (build_classic_dir_vector): Ditto.
6211         (compute_data_dependences_for_loop): Use depth, not loop number.
6212         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
6213         number. Pass in loops, instead of loop numbers.
6214         (gather_interchange_stats): Ditto.
6215         (linear_transform_loops): Ditto.
6216
6217 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
6218
6219         PR rtl-opt/13299
6220         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
6221         biv_fits_mode_p, extension_within_bounds_p): New functions.
6222         (check_ext_dependent_givs): Use them.
6223
6224 2005-01-06  Roger Sayle  <roger@eyesopen.com>
6225
6226         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
6227         more than one barrier, in which case we should delete them all.
6228
6229 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
6230
6231         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
6232
6233 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
6234
6235         Fix PR middle-end/19286
6236         Fix PR debug/19267
6237         * dwarf2out.c (gen_subprogram_die): If we've already tried to
6238         output this subprogram, simply ignore this attempt to do it again.
6239         (add_abstract_origin_attribute): Don't abort trying to add the abstract
6240         origin attribute if it's not possible.
6241         (gen_block_die): Don't ignore subblocks of "unused" blocks.
6242         (decls_for_scope): Ditto.
6243         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
6244         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
6245
6246 2005-01-05  Richard Henderson  <rth@redhat.com>
6247
6248         PR target/11327
6249         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
6250         (bdesc_2arg): Use it.
6251         (ix86_expand_binop_builtin): Force operands into registers
6252         when optimizing.
6253         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
6254         ix86_expand_sse_compare, ix86_expand_sse_comi,
6255         ix86_expand_builtin): Likewise.
6256
6257 2005-01-05  Richard Henderson  <rth@redhat.com>
6258
6259         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
6260         and VEC_SELECT.
6261         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
6262         (mulv4hi3): Set itanium_class mmmul.
6263         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
6264         (fpack): Rename from fpack_sfsf.
6265
6266 2005-01-05  Richard Henderson  <rth@redhat.com>
6267
6268         PR rtl-opt/10692
6269         * reload1.c (do_input_reload): Restrict the optimization deleteing
6270         a previous output reload to RELOAD_FOR_INPUT.
6271
6272 2005-01-05  Steven Bosscher  <stevenb@suse.de>
6273
6274         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
6275         comment that we fall through after case.
6276         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
6277         (distribute_links): Likewise.
6278         * cse.c (cse_insn): Likewise.
6279         * cselib.c (cselib_invalidate_mem): Likewise.
6280         * df.c: Update comments at the top of the file.
6281         (read_modify_subreg_p): Update comments here too.
6282         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
6283         * flow.c (mark_set_1): Likewise.
6284         (mark_used_regs): Likewise.
6285         * gcse.c (mems_conflict_for_gcse_p): Likewise.
6286         (canon_list_insert): Likewise.
6287         (mark_set): Likewise.
6288         (try_replace_reg): Likewise.
6289         (store_killed_in_insn): Likewise.
6290         * loop.c (count_one_set): Likewise.
6291         (basic_induction_var): Likewise.
6292         * postreload-gcse.c (find_mem_conflicts): Likewise.
6293         * postreload.c (reload_combine_note_store): Likewise.
6294         (move2add_note_store): Likewise.
6295         * reload.c (find_equiv_reg): Likewise.
6296         (mark_referenced_resources): Likewise.
6297         * rtlanal.c (set_noop_p): Likewise.
6298         (note_stores): Likewise.
6299         (note_uses): Likewise.
6300         * sched-deps.c (sched_analyze_1): Likewise.
6301         * sched-rgn.c (check_live_1): Likewise.
6302         (update_live_1): Likewise.
6303         * config/i860/i860.c: Likewise.
6304
6305         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
6306         an lvalue.
6307         (ZERO_EXTRACT): Mention that this one can be an lvalue.
6308
6309         * doc/rtl.texi: Update documentation for bit-fields and SET.
6310
6311 2005-01-05  Roger Sayle  <roger@eyesopen.com>
6312
6313         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
6314
6315 2005-01-05  Jan Hubicka  <jh@suse.cz>
6316             Richard Henderson  <rth@redhat.com>
6317
6318         PR target/18910
6319         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
6320         with an offset.
6321
6322 2005-01-05  Richard Henderson  <rth@redhat.com>
6323
6324         PR target/12902
6325         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
6326         (sse_shufps): Change operand 3 to const_int_operand.
6327         (sse2_storelps): Fix typo in template.
6328         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
6329         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
6330         (ix86_expand_builtin): Likewise.
6331
6332 2005-01-05  Julian Brown  <julian@codesourcery.com>
6333
6334         * config/arm/arm.c (arm_return_in_memory): Treat complex types
6335         as aggregates for AAPCS ABIs.
6336
6337 2005-01-05  Stan Shebs  <shebs@apple.com>
6338
6339         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
6340         Mach-O getters if ppc64.
6341         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
6342         size argument.
6343         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
6344         signed four-byte field for global code case.
6345         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
6346
6347 2005-01-05  Roger Sayle  <roger@eyesopen.com>
6348
6349         PR middle-end/19100
6350         * c-common.c: Include real.h.
6351         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
6352         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
6353         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
6354         * Makefile.in (c-common.o): Update dependencies.
6355
6356 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
6357
6358         * c-parse.in (asm_string): Add trailing semicolon.
6359
6360 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
6361
6362         * c-parse.in (asm_string): New.  Don't allow wide strings in
6363         'asm'.
6364         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
6365         asm_string instead of STRING.
6366
6367 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
6368
6369         * c-typeck.c (constructor_no_implicit): Remove.
6370         (set_designator, process_init_element): Don't check
6371         constructor_no_implicit.
6372
6373 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
6374             Kaz Kojima  <kkojima@gcc.gnu.org>
6375
6376         PR target/16482
6377         * lcm.c (create_pre_exit): New.
6378         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
6379         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
6380
6381 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
6382
6383         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
6384         -msoft-float in target_float_switch.
6385         * arm.c (arm_override_options): Fix processing of target_float_switch.
6386
6387 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
6388
6389         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
6390         preferencing.
6391
6392 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
6393
6394         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
6395         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
6396
6397 2005-01-04  Roger Sayle  <roger@eyesopen.com>
6398
6399         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
6400         if deleting the then-block allows the test-block to fallthru to the
6401         else-block.
6402
6403 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
6404
6405         PR c/19152
6406         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
6407         after the full declaration if the are in two different TUs.
6408
6409 2005-01-04  Richard Henderson  <rth@redhat.com>
6410
6411         PR tree-opt/19158
6412         * tree-sra.c (generate_one_element_init): Just
6413         call gimplify_and_add.
6414         (generate_element_init): Record the
6415         new referenced variables and mark them for renaming
6416         and split out to ...
6417         (generate_element_init_1): This.
6418         (scalarize_init): Don't call push_gimplify_context/
6419         pop_gimplify_context.
6420
6421 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
6422
6423         * toplev.c (get_src_pwd): Handle failure of getpwd().
6424
6425 2005-01-04  Roger Sayle  <roger@eyesopen.com>
6426
6427         * fold-const.c (fold_single_bit_test): Delete unreachable handling
6428         of TRUTH_NOT_EXPR.
6429         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
6430         all the cases handled by it are inverted by invert_truthvalue.
6431
6432 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
6433
6434         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
6435         (save_register_windowsi): Likewise.
6436
6437 2005-01-04  Richard Henderson  <rth@redhat.com>
6438
6439         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
6440
6441 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
6442
6443         PR middle-end/17767
6444         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
6445         any simplifications of vector mode comparison operators.
6446         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
6447
6448 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
6449             Devang Patel  <dpatel@apple.com>
6450
6451         PR tree-optimization/18308
6452         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
6453         the operands before creating a new expression.
6454         * dojump.c (do_jump): Make drop_through_label available
6455         for all cases.  Add expansion of COND_EXPR.
6456
6457 2005-01-04  Ira Rosen  <irar@il.ibm.com>
6458
6459         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
6460         INTEGER_CST instead of TREE_CONSTANT.
6461         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
6462         instead of TREE_CONSTANT.
6463         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
6464         instead of TREE_CONSTANT.
6465
6466 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
6467
6468         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
6469
6470 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
6471
6472         PR target/19240
6473         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
6474         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
6475
6476 2005-01-03  Richard Henderson  <rth@redhat.com>
6477
6478         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
6479         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
6480         fold_convert_const_real_from_real): Split out from ...
6481         (fold_convert_const): ... here.
6482
6483 2005-01-03  Richard Henderson  <rth@redhat.com>
6484
6485         PR target/19235
6486         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
6487         (mov<MMXMODEI>_internal): Likewise.
6488         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
6489         Add V2SF case; use it for SSE1; don't use TI.
6490         (movdf_integer): Likewise.
6491         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
6492
6493 2005-01-03  Ira Rosen  <irar@il.ibm.com>
6494
6495         * tree-vectorizer.c (vect_strip_conversions): New function.
6496         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
6497         check for binary class.
6498
6499 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
6500
6501         Fix PR debug/17924
6502         Fix PR debug/19191
6503         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
6504         is a decl.
6505         * gimple-low.c (mark_blocks_with_used_vars): New function.
6506         (mark_blocks_with_used_subblocks): Ditto.
6507         (mark_used_blocks): Ditto.
6508         (pass_mark_used_blocks): New pass.
6509         * tree-inline.c: Include debug.h.
6510         (expand_call_inline): Call outlining_inline_function here.
6511         * tree-optimize.c (init_tree_optimization_passes): Add
6512         pass_mark_used_blocks.
6513         * tree-pass.h (pass_mark_used_blocks): New.
6514         * Makefile.in (tree-inline.o): Add debug.h dependency.
6515
6516 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
6517
6518         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
6519         VAR_DECLs to have weak_import attribute.
6520
6521         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
6522         'struct ucontext'.
6523
6524 2004-01-03  Steven Bosscher  <stevenb@suse.de>
6525
6526         * passes.c (rest_of_compilation): Don't run regmove if only
6527         flag_expensive_optimizations, require flag_regmove instead.
6528
6529 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
6530
6531         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
6532         register "sparc".
6533         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
6534         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
6535         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
6536         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
6537
6538 2005-01-03  Richard Henderson  <rth@redhat.com>
6539
6540         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
6541         (ia64_const_ok_for_letter_p): New.
6542         (ia64_const_double_ok_for_letter_p): New.
6543         (ia64_extra_constraint): New.
6544         (ia64_expand_vecint_compare): New.
6545         (ia64_expand_vcondu_v2si): New.
6546         (ia64_expand_vecint_cmov): New.
6547         (ia64_expand_vecint_minmax): New.
6548         (ia64_print_operand): Add 'v'.
6549         (ia64_preferred_reload_class): New.
6550         (ia64_vector_mode_supported_p): New.
6551         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
6552         (PREFERRED_RELOAD_CLASS): Move to function.
6553         (CONST_OK_FOR_LETTER_P): Move to function.
6554         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
6555         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
6556         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
6557         (EXTRA_CONSTRAINT): Move to function.
6558         * config/ia64/ia64.md: Include vect.md.
6559         (itanium_class): Add mmalua.
6560         (type): Handle it.
6561         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
6562         (1b_mmalua): New.
6563         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
6564         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
6565         CONST0_RTX.
6566         (const_int_2bit_operand): New.
6567         (fr_reg_or_0_operand): New.
6568         * config/ia64/ia64-modes.def: Add vector modes.
6569         * config/ia64/ia64-protos.h: Update.
6570         * config/ia64/vect.md: New file.
6571
6572 2005-01-03  Richard Henderson  <rth@redhat.com>
6573
6574         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
6575
6576 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
6577
6578         PR target/19236
6579         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
6580         to SFmode.
6581         (log1pdf2): Change mode of operands[0,1] to DFmode.
6582
6583 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
6584
6585         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
6586         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
6587         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
6588         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
6589         SPARC_RELAXED_ORDERING.
6590
6591 2005-01-03  Richard Henderson  <rth@redhat.com>
6592             Uros Bizjak  <uros@kss-loka.si>
6593
6594         PR target/14631
6595         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
6596         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
6597         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
6598         handling.
6599         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
6600         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
6601         const_pow2_1_to_128_operand): New predicates.
6602
6603 2005-01-02  Greg McGary  <greg@mcgary.org>
6604
6605         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
6606         anonymous decls.
6607         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
6608         object.  [ptr_type]: Remove unused variable.
6609         Remember nearest addressable array-element or record-component
6610         when checking bitfield components.  Tolerate empty BIND_EXPR.
6611
6612 2005-01-01  Richard Henderson  <rth@redhat.com>
6613
6614         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
6615         that don't narrow the value.  Fail for other conversions.
6616
6617 2005-01-01  Richard Henderson  <rth@redhat.com>
6618
6619         PR c/19031
6620         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
6621         * c-lang.c (finish_file): Don't do it here.
6622         * objc/objc-act.c (objc_finish_file): Likewise.
6623
6624         * cgraph.c (decl_assembler_name_equal): New.
6625         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
6626         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
6627         * cgraph.h (struct cgraph_varpool_node): Add next.
6628         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
6629         * varasm.c (assemble_alias): Mark the target as needed.
6630
6631 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
6632
6633         PR middle-end/19221
6634         * function.c (get_arg_pointer_save_area): Use entry_of_function
6635         instead of get_insns.
6636
6637 2005-01-01  Roger Sayle  <roger@eyesopen.com>
6638             Andrew Pinski  <pinskia@physics.uc.edu>
6639             James E. Wilson  <wilson@specifixinc.com>
6640
6641         PR rtl-optimization/12092
6642         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
6643         is zero.
6644
6645 2005-01-01  Roger Sayle  <roger@eyesopen.com>
6646             Olivier Hainque  <hainque@act-europe.fr>
6647
6648         * tree.c (int_fits_type_p): A narrower type always fits in a
6649         wider one, except for negative values into unsigned types.
6650
6651 2005-01-01  Roger Sayle  <roger@eyesopen.com>
6652
6653         * tree.c (int_fits_type_p): Compare the result of force_fit_type
6654         with the original constant rather than require TREE_OVERFLOW.
6655
6656 2005-01-01  Steven Bosscher  <stevenb@suse.de>
6657
6658         PR middle-end/17544
6659         * c-decl.c (finish_function): If compiling C99, annotate the
6660         compiler generated return with the current file name and line 0.
6661         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
6662         the source line is greater than 0.
6663         (remove_bb): Likewise.
6664
6665 See ChangeLog.12 for earlier changes.