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* reg-stack.c (move_for_stack_reg): 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         * builtins.c (fold_builtin_exponent): Take decomposed
19         arguments of CALL_EXPR.
20         (fold_builtin_1): Update a call to fold_builtin_exponent.
21
22         * builtins.c (fold_builtin_logarithm): Take decomposed
23         arguments of CALL_EXPR.
24         (fold_builtin_1): Update a call to fold_builtin_logarithm.
25
26         * c-decl.c (c_init_decl_processing): Remove local variables
27         ptr_ftype_void and ptr_ftype_ptr.
28
29         * gimplify.c (gimplify_expr): Remove local variables r0 and
30         r1.
31
32         * reg-stack.c (move_for_stack_reg): Remove local variable
33         push_insn.
34         (compare_for_stack_reg): Remove local variable flags_user.
35         (convert_regs_1): Remove local variable deleted.
36
37 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
38
39         * c-lex.c (c_lex_with_flags): Add parameter to call to 
40         cpp_spell_token.
41
42 2005-03-11  Per Bothner  <per@bothner.com>
43
44         * c-tree.h (struct c_declarator): New id_loc field.
45         * c-pragma.h (c_lex_with_flags): Take position reference.
46         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
47         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
48         (c_lex): Pass dummy location to c_lex_with_flags.
49         * c-parser.c (c_lex_one_token): Set c_token's location using
50         c_lex_with_flags, instead of input_location, which might be "ahead".
51         (c_parser_direct_declarator): Set declarator's id_loc from
52         c_token's id_loc.
53         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
54         declarator's id_loc, rather than probably-imprecise input_location.
55         (build_id_declarator): Initialize c_declarator's id_loc field.
56
57 2005-03-11  Roger Sayle  <roger@eyesopen.com>
58
59         PR middle-end/20419
60         * builtins.c (expand_builtin_signbit): Force the signbit's word
61         into an integer register to avoid SUBREGs of floating point modes.
62
63 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
64
65         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
66         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
67         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
68         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
69
70 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
71
72         PR rtl-optimization/20306
73         * expr.c (emit_move_complex): Set try_int false if mode is
74         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
75         emit_block_move if try_int is true.
76
77 2005-03-11  Richard Henderson  <rth@redhat.com>
78
79         PR target/20415
80         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
81         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
82         to match.
83
84 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
85
86         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
87         (TARGET_FIX_VR4130): New macro.
88         (TARGET_OPTIONS): Add -mfix-vr4130.
89         (ISA_HAS_MACCHI): New macro.
90         (ASM_SPEC): Add -mfix-vr4130.
91         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
92         (override_options): Handle mips_fix_vr4130_string.
93         (mips_avoid_hazards): Clear all_noreorder_p
94         if we're working around VR4130 errata and the macc alternatives
95         are not available.
96         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
97         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
98         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
99         (MULTILIB_DEFAULTS): Remove leading "march=".
100         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
101         if no architecture option is given.
102         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
103         VR4130 multilibs.
104         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
105         * doc/invoke.texi: Document -mfix-vr4130.
106
107 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
108
109         * config/mips/mips.c (override_options): Only warn about -mint64
110         deprecation if TARGET_INT64.
111
112 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
113
114         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
115         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
116         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
117         are non-specific regarding the nonnull parameter positions.
118         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
119         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
120         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
121         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
122         
123         * builtins.def: Use the non-specific "nonnull" attibute lists.
124
125 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
126
127         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
128         single_pred_edge, single_succ, single_pred): Improve comments.
129
130 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
131
132         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
133         single_pred_edge, single_succ, single_pred): New inline functions.
134         * bb-reorder.c (rotate_loop, find_traces_1_round,
135         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
136         duplicate_computed_gotos): Use the single_succ/pred functions.
137         * cfganal.c (forwarder_block_p): Ditto.
138         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
139         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
140         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
141         merge_seq_blocks): Ditto.
142         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
143         * cfglayout.c (fixup_reorder_chain): Ditto.
144         * cfgloop.c (mark_single_exit_loops, update_latch_info,
145         canonicalize_loop_headers, verify_loop_structure): Ditto.
146         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
147         mfb_update_loops, create_preheader, force_single_succ_latches,
148         create_loop_notes): Ditto.
149         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
150         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
151         commit_one_edge_insertion, purge_dead_edges,
152         cfg_layout_can_merge_blocks_p): Ditto.
153         * except.c (sjlj_emit_function_enter): Ditto.
154         * flow.c (init_propagate_block_info): Ditto.
155         * function.c (thread_prologue_and_epilogue_insns): Ditto.
156         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
157         insert_insn_end_bb): Ditto.
158         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
159         find_if_case_2): Ditto.
160         * lambda-code.c (perfect_nestify): Ditto.
161         * lcm.c (optimize_mode_switching): Ditto.
162         * loop-doloop.c (doloop_modify): Ditto.
163         * loop-init.c (loop_optimizer_init): Ditto.
164         * loop-iv.c (simplify_using_initial_values): Ditto.
165         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
166         * loop-unswitch.c (unswitch_loop): Ditto.
167         * modulo-sched.c (generate_prolog_epilog): Ditto.
168         * predict.c (combine_predictions_for_insn, estimate_probability,
169         tree_estimate_probability, last_basic_block_p,
170         estimate_bb_frequencies): Ditto.
171         * profile.c (branch_prob): Ditto.
172         * regrename.c (copyprop_hardreg_forward): Ditto.
173         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
174         * tracer.c (layout_superblocks): Ditto.
175         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
176         cfg_remove_useless_stmts_bb, cleanup_control_flow,
177         cleanup_control_expr_graph, disband_implicit_edges,
178         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
179         tree_verify_flow_info, tree_make_forwarder_block,
180         tree_forwarder_block_p, remove_forwarder_block,
181         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
182         * tree-if-conv.c (tree_if_conversion): Ditto.
183         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
184         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
185         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
186         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
187         copy_loop_headers): Ditto.
188         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
189         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
190         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
191         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
192         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
193         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
194         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
195         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
196         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
197         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
198         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
199         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
200         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
201         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
202         slpeel_add_loop_guard): Ditto.
203
204 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
205
206         PR tree-optimization/15784
207         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
208         and -1 - A to ~A.
209
210         * stmt.c (expand_case): Don't change index_type.  Convert minval
211         to the proper type.
212
213         PR tree-optimization/20130
214         * fold-const.c (fold): Fold x * -1 into -x.
215
216 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
217
218         PR rtl-optimization/20331
219         * rtlanal.c (modified_between_p): Check its address first for MEM.
220         (modified_in_p): Likewise.
221
222 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
223
224         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
225
226 2005-03-10  Steven Bosscher  <stevenb@suse.de>
227
228         * expr.c (expand_expr_real_1): If possible, use a conditional
229         move for expanding MIN_EXPR and MAX_EXPR.
230         Use temp for moving around rtx-en.
231
232 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
233
234         PR rtl-opt/20412
235         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
236         correct mode.
237
238 2005-03-10  Roger Sayle  <roger@eyesopen.com>
239
240         * builtins.c (expand_builtin_signbit): Extend to handle floating
241         point modes wider than the largest integer type, using the
242         operand_subword_force function to obtain the signbit's word.
243
244 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
245
246         PR target/20322
247         * combine.c (try_combine): If recog_for_combine added CLOBBERs
248         to NEWI2PAT, fail to combine if they are used by NEWPAT.
249
250 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
251
252         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
253
254 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
255
256         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
257         type void.
258         (perform_edge_inserts): Unconditionally call
259         free_dominator_info.
260
261         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
262
263 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
264
265         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
266
267 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
268
269         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
270
271         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
272         gcc_unreachable.
273         (rtl_register_value_prof_hooks,
274         tree_value_profile_transformations,
275         tree_register_value_prof_hooks): Likewise.
276         * var-tracking.c (stack_adjust_offset_pre_post,
277         variable_htab_free, variable_union, dataflow_set_different_2,
278         count_uses, variable_was_changed, set_frame_base_location,
279         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
280         vt_add_function_parameters): Likewise.
281         * varasm.c (named_section_real, named_section, make_decl_rtl,
282         asm_emit_uninitialised, assemble_integer, decode_addr_const,
283         const_hash_1, compare_constant, copy_constant, force_const_mem,
284         output_constant_pool_2, output_constant_pool_1, output_constant,
285         output_constructor, make_decl_one_only, decl_tls_model,
286         default_no_named_section, default_elf_select_section_1,
287         default_unique_section_1): Likewise.
288         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
289         * vmsdbgout.c (addr_const_to_string): Likewise.
290
291         PR c++/20375
292         * function.c (struct assign_parm_data_one): Remove last_named
293         field.
294         (assign_parm_find_data_types): Don't determine last_named.
295         Reorder named_parm determination.
296         (assign_parms): Only setup varargs on the last non-varadic
297         parameter.
298
299 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
300
301         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
302         sda base address on medium model.
303
304 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
305
306         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
307         * cfgloop.c (flow_loop_nodes_find): Export.
308         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
309         Declare.
310         * cfgloopmanip.c (fix_loop_structure): New function.
311         * predict.c (predict_loops): Clean up the loops information.
312         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
313         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
314         loop structure.
315         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
316         (rewrite_into_loop_closed_ssa): Declaration changed.
317         * tree-loop-linear.c (linear_transform_loops): Add argument to
318         rewrite_into_loop_closed_ssa call.
319         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
320         * tree-ssa-loop-im.c (move_computations): Ditto.
321         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
322         * tree-vectorizer.c (vectorize_loops): Ditto.
323         * tree-optimize.c: Include cfgloop.h.
324         (execute_todo): Choose whether to call cleanup_tree_cfg or
325         cleanup_tree_cfg_loop.
326         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
327         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
328         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
329         cleanup_tree_cfg_loop call.
330         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
331         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
332         work on part of cfg.
333
334 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
335
336         PR inline-asm/20314
337         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
338         with multiple alternatives.
339
340         * stmt.c (parse_output_constraint): Fix a typo.
341
342 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
343
344         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
345         assembly directive instead of deprecated "no-generics".
346
347 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
348
349         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
350         for non-offsettable memory references to cope with outstanding reload
351         replacements.
352         * config/s390/s390.md ("reload_outti"): Call find_replacement to
353         avoid losing outstanding address reloads.
354         ("reload_outdi", "reload_outdf"): Likewise.
355
356 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
357
358         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
359         code.  Add more cbrt transformations.
360
361 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
362
363         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
364
365 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
366
367         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
368         NULL_TREE when a given tree is not simplified.
369         (fold): Return the original tree when any of the functions
370         mentioned above NULL_TREE.
371
372         * fold-const.c (fold_unary, fold_binary): Take decomposed
373         arguments, code, type, op0, and op1 in case of fold_binary.
374         (fold): Update calls to fold_unary and fold_binary.
375
376 2005-03-09  Roger Sayle  <roger@eyesopen.com>
377
378         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
379         a fndecl and an arglist instead of a CALL_EXPR, exp.
380
381 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
382
383         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
384
385         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
386
387         * expr.c (expand_assignment): Remove orig_to_rtx.
388
389         * fold-const.c (int_const_binop): Remove no_overflow.
390
391         * ifcvt.c (noce_emit_move_insn): Remove inmode.
392
393         * loop-iv.c (get_biv_step_1): Remove lhs.
394
395         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
396
397         * real.c (real_nan): Remove neg.
398
399         * function.c (thread_prologue_and_epilogue_insns): Remove i
400         and newinsn.
401
402         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
403         tb.
404
405         * tree-eh.c (tree_could_trap_p): Remove idx.
406
407         * tree-into-ssa.c (ann): Remove ann.
408
409         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
410
411         * tree-sra.c (decide_block_copy): Remove inst_count.
412
413         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
414
415         * tree-ssa-loop-im.c (lhs): Remove.
416
417         * cfgbuild.c (state, STATE, SET_STATE,
418         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
419         make_edges.
420         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
421         (find_basic_blocks): Set the state of each basic block to
422         BLOCK_NEW.
423
424 2005-03-08  Jeff Law  <law@redhat.com>
425
426         * tree-cfg.c (cleanup_control_flow): If removal of a computed
427         goto results in the removal of edges in the CFG, then we need
428         to recompute dominators.
429
430 2005-03-09  Ben Elliston  <bje@au.ibm.com>
431
432         * c-common.c (c_do_switch_warnings): Comment fix.
433
434 2005-03-08  Julian Brown  <julian@codesourcery.com>
435
436         * Patch from 2005-03-08 reverted for causing regressions and
437         ppc-darwin bootstrap failure.
438
439 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
440
441         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn): 
442         Define the real function for ppc-darwin.
443         * c-typeck.c (convert_arguments): Check for target-specific
444         invalid argument call to unprototyped function.
445         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN): 
446         New Macro.
447         * target.h (invalid_arg_for_unprototyped_fn): New field 
448         in struct calls.
449         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New 
450         default target hook.
451         * targhooks.h (hook_invalid_arg_for_unprototyped_fn): 
452         Declare.
453
454 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
455
456         * c-typeck.c (constructor_stack, constructor_range_stack,
457         initializer_stack): Make them static.
458
459         * cfg.c (rbi_pool): Make it static.
460
461         * gimple-low.c (lower_stmt_body): Make it static.
462         * tree-flow.h: Remove the corresponding prototype.  Don't
463         declare lower_data.
464
465         * sched-deps.c (cache_size): Make it static.
466
467         * stor-layout.c (lang_adjust_rli): Make it static.
468
469 2005-03-08  Julian Brown  <julian@codesourcery.com>
470
471         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
472         from being used for symbols with vague linkage when
473         HAVE_GAS_COMDAT_GROUP is true.
474
475 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
476
477         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
478         nlabel == JUMP_LABEL (jump).
479
480 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
481
482         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
483         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
484         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
485         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
486
487 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
488
489         PR c/14411
490         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
491         * c-common.c (handle_returns_twice): New function.
492         (c_common_attribute_table): Declare eturns_twice' attribute.
493         * doc/extend.texi: Document eturns_twice' attribute.
494         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
495         (struct tree_decl): Add returns_twice_flag.
496
497 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
498
499         * tree-ssa-phiopt.c: Fix a comment typo.
500
501         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
502         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
503         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
504         copyright.
505
506 2005-03-08  Richard Henderson  <rth@redhat.com>
507
508         * config/alpha/alpha.c (code_for_builtin): Replace special-case
509         builtin codes with ctzdi2, clzdi2, popcountdi2.
510         (struct alpha_builtin_def): Add is_const.
511         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
512         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
513         (alpha_init_builtins): Init them.  Set nothrow and const attributes
514         on builtins.
515         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot, 
516         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx, 
517         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh, 
518         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
519         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
520         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
521         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
522         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
523         (TARGET_FOLD_BUILTIN): New.
524         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
525         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
526         (ffsdi2): Use ctz.
527         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
528
529 2005-03-08  Ira Rosen  <irar@il.ibm.com>
530
531         PR tree-optimization/20122
532         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
533         condition of access function instead of base.
534
535 2005-03-07  Jeff Law  <law@redhat.com>
536             Steven Bosscher  <stevenb@suse.de>
537
538         * tree-cfg.c (find_taken_edge_computed_goto): New function.
539         (find_taken_edge): Call find_taken_edge_computed_goto as
540         appropriate.  Allow any gimple invariant rather than just
541         INTEGER_CST for VAL.
542         (cleanup_control_flow): Cleanup a computed goto which has turned
543         into a simple goto.
544         (tree_merge_blocks): If block B has any forced labels, move
545         them to the start of block A.
546         * tree-ssa-dom.c (thread_across_edge): Allow threading across
547         computed gotos as well.
548         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
549         removal of unnecessary computed gotos too.
550         (lookup_redirection_data): Fix type of INSERT argument.  Callers
551         updated.
552
553 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
554
555         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
556         Remove trailing spaces.
557
558         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
559         unshare_all_trees): Make them static.
560         * tree-gimple.h: Remove the corresponding prototypes.
561
562         * diagnostic.h: Remove unused prototype
563         debug_output_buffer.
564         * modulo-sched.c: Remove unused prototype
565         set_row_column_for_ps.
566
567         * tree-ssa-phiopt.c (tree_ssa_phiopt,
568         replace_phi_edge_with_variable): Remove unused variable i.
569
570 2005-03-07  Per Bothner  <per@bothner.com>
571
572         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
573
574 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
575         
576         PR tree-opt/17671
577         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
578         bbs on the COND_EXPR instead of the PHI_NODEs.
579         (candidate_bb_for_phi_optimization): Remove.
580         (replace_phi_with_stmt): Rename to ...
581         (replace_phi_edge_with_variable): this and change so that we
582         replace the phi argument instead of removing the PHI.
583         (conditional_replacement): Change so we deal with PHI with more
584         than two arguments.
585         (value_replacement): Likewise.
586         (abs_replacement): Likewise.
587
588 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
589
590         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
591         output_e500_flip_gt_bit.
592
593         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
594         as bit 31.
595         (rs6000_generate_compare): Fix logic to look at the correct bits.
596         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
597         Look at GT bit.
598         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
599         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
600         gen_move_from_CR_gt_bit.
601
602         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
603         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
604         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
605
606         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
607         (E500_CR_IOR_COMPARE): New constant.
608
609 2005-03-08  Earl Chew <earl_chew@agilent.com>
610             David Billinghurst <David.Billinghurst@riotinto.com>
611
612         * config/i386/host-cygwin.c: New file to support precompiled
613         headers on cygwin
614         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
615         * config.host: Use above files for cygwin host.
616
617 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
618
619         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
620         ordering ops from earlier change.
621
622 2005-03-07  Per Bothner  <per@bothner.com>
623
624         Various fixes to allow us to again build if --enable-mapped-location:
625         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
626         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
627         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
628         local variable loc. Change logic appropriately.
629         * tree-vect-transform.c (vect_finish_stmt_generation): Use
630         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.    
631         * c-parser.c (c_parser_for_statement): Initialize loc variable.
632         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
633         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
634
635 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
636
637         PR rtl-optimization/19683
638         * reload1.c (choose_reload_regs): Pass the number of bits, not the
639         number of bytes, to smallest_int_for_mode.  Fix arguments to
640         REG_CANNOT_CHANGE_MODE_P.
641
642 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
643
644         * reorg.c (relax_delay_slots): Check that the jump is
645         conditional before trying to invert it.
646
647 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
648
649         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
650         Make them static.
651
652         * calls (stack_arg_under_construction): Make it static.
653
654         * flow.c (regs_live_at_setjmp): Make it static.
655         * flow.h: Remove the corresponding prototype.
656
657         * reload1.c (reload_startobj, reload_firstobj,
658         something_needs_operands_changed, reload_inherited,
659         reload_inheritance_insn, reload_override_in,
660         reload_spill_index): Make them static.
661
662         * recog.c (verify_changes): Make it static.
663         * recog.h: Remove the corresponding prototype.
664
665         * cfgbuild.c (find_sub_basic_blocks): Remove.
666         * basic-block.h: Remove the corresponding prototype.
667         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
668         in comments.
669         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
670
671         * tree-ssa-operands.c (check_build_stmt): Remove.
672
673         * stor-layout.c (set_alignment): Remove.
674         * tree.h: Remove the corresponding prototype.
675
676         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
677
678         * tree-ssa-dce.c (control_dependence_map,
679         visited_control_parents): Make them static.
680
681         * cfghooks.c (verify_flow_info): Remove local variable
682         num_bb_notes.
683
684         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
685         last_bb_seen.
686
687         * loop-unswitch.c (unswitch_loop): Remove local variable src.
688
689 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
690
691         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
692
693 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
694
695         * config/ia64/hpux.h (LINK_SPEC): Add -z.
696         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
697         PARALLEL for an empty structure.
698
699 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
700
701         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
702
703         * fold-const.c (fold_binary): Unroll the very first "for"
704         loop.
705
706 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
707
708         * config/rs6000/predicates.md (branch_comparison_operator): Remove
709         redundant match_code test.
710         (scc_comparison_operator): Swap match_operand and match_code
711         tests.
712         (branch_positive_comparison_operator): Same.
713         (trap_comparison_operator): Use comparison_operator and swap with
714         match_code test.
715
716 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
717
718         PR target/20288
719         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
720         (out_movhi_r_mr): Read low byte of volatile MEM first.
721         (out_movhi_mr_r): Write high byte of volatile MEM first.
722
723 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
724
725         * cselib.c (reg_values, reg_values_size): Make them static.
726
727         * cse.c (cse_reg_info_table): Make it static.
728
729         * fold-const.c (fold_unary): Use build1 instead of copy_node.
730
731 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
732
733         * cse.c (find_best_addr): Use canon_for_address.
734
735 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
736
737         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
738         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
739         SUBREG and MEM, respectively.
740
741         * fold-const.c (fold_binary): Use code instead of t.
742
743         * fold-const.c (optimize_minmax_comparison): Take decomposed
744         arguments code, type, op0, and op1 instead of t.
745         (fold_binary): Update a call to optimize_minmax_comparison.
746
747         * fold-const.c (fold_range_test): Take decomposed arguments
748         code, type, op0, and op1 instead of t.
749         (fold_binary): Update a call to fold_range_test.
750
751         * fold-const.c (fold_binary_op_with_conditional_arg): Take
752         decomposed arguments code, type, op0, and op1 instead of t.
753         (fold_binary): Update a call to fold_range_test.
754
755 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
756
757         * fold-const.c (fold_binary): Avoid directly using the original
758         expression t as much as possible.
759
760 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
761
762         * c-semantics.c (build_stmt): Use TYPE_P instead of
763         IS_NON_TYPE_CODE_CLASS.
764         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
765         (NON_TYPE_CHECK): Use TYPE_P instead of
766         IS_NON_TYPE_CODE_CLASS.
767
768         * fold-const.c (fold): Remove handling of binary expressions.
769
770 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
771
772         * doc/c-tree.texi: Wrap comments in @r{}.
773         * doc/cpp.texi: Likewise.
774         * doc/cppinternals.texi: Likewise.
775         * doc/extend.texi: Likewise.
776         * doc/md.texi: Likewise.
777         * doc/objc.texi: Likewise.
778         * doc/sourcebuild.texi: Likewise.
779         * doc/tm.texi: Likewise.
780         * doc/tree-ssa.texi
781
782 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
783
784         * predict.c (apply_return_prediction): Standardize PHI chain
785         walking.
786         * tree-ssa.c (ssa_redirect_edge): Likewise.
787
788         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
789         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
790         Update copyright.
791
792         * tree-phinodes.c (remove_phi_node): Drop the last argument.
793         * tree-flow.h: Adjust the prototype for remove_phi_node.
794         * lambda-code.c (perfect_nestify): Adjust a call to
795         remove_phi_node.
796         * tree-cfg.c
797         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
798         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
799         Likewise.
800         * tree-ssa-dce.c (remove_dead_phis): Likewise.
801         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
802         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
803         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
804
805         * combine.c (simplify_and_const_int): Use gen_int_mode instead
806         of GEN_INT (trunc_int_for_mode (...)).
807         * loop-iv.c (iv_number_of_iterations): Likewise.
808         * postreload.c (reload_cse_move2add): Likewise.
809         * simplify-rtx.c (simplify_const_unary_operation,
810         simplify_const_binary_operation): Likewise.
811         * stor-layout.c (get_mode_bounds): Likewise.
812
813         * fold-const.c (fold_binary): New.
814         (fold): Call fold_binary on binary expressions.
815
816 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
817
818         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
819         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
820         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
821         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
822         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
823
824 2005-03-04  Devang Patel  <dpatel@apple.com>
825         
826         PR tree-optimization/18815
827         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
828         loops with zero exit edges.
829
830 2005-03-04  Devang Patel  <dpatel@apple.com>
831
832         * doc/invoke.texi: Remove reference to webpage that does not exist.
833         
834 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
835             Joseph S. Myers  <joseph@codesourcery.com>
836
837         PR c++/19797
838         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
839         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
840         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
841         * pa.c (get_plabel): Change argument to symbol_ref.  Call
842         maybe_get_identifier instead of get_identifier.
843         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
844         (struct deferred_plabel): Replace name field with symbol field.
845         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
846         ASM_OUTPUT_EXTERNAL_REAL is defined.
847         (output_global_address): Use output_addr_const for output of all
848         symbol_refs.
849         (output_deferred_plabels): Use symbol_ref instead of name for address
850         output.
851         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
852         ASM_OUTPUT_SYMBOL_REF): New macros.
853         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
854         comment.
855         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
856         label.
857
858 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
859
860         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
861         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
862
863 2005-03-04  Jeff Law  <law@redhat.com>
864
865         * basic-block.h (rediscover_loops_after_threading): Declare.
866         * tree-ssa-dom.c: Include cfgloop.h.
867         (tree_ssa_dominator_optimize): Discover loops and some basic
868         properties.  Remove forwarder blocks recreated by loop header
869         canonicalization.  Also mark backedges in the CFG.
870         * tree-ssa-threadupdate.c: Include cfgloop.h
871         (rediscover_loops_after_threading): Define.
872         (struct local_info): New field, JUMP_THREADED.
873         (prune_undesirable_thread_requests): New function.
874         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
875         then record that fact for the callers of redirct_edges.
876         (thread_block): If BB has incoming backedges, then call
877         prune_undesirable_thraed_requests.    Note when we are
878         going to have to rediscover loop information.  Return a
879         boolean indicating if any jumps were threaded.
880         (thread_through_all_blocks): Bubble up boolean indicating
881         if any jumps were threaded.
882         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
883         (tree-ssa-threadupdate.o): Similarly.
884
885 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
886
887         * fold-const.c (fold_ternary): Unroll the "for" loop to
888         extract operands.  
889
890 2005-03-04  Andrew Haley  <aph@redhat.com>
891
892         * unwind-dw2-fde-glibc.c (struct
893         unw_eh_callback_data.check_cache): New field.
894         (frame_hdr_cache): New.
895         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
896         Cache frame header info.
897
898 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
899
900         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
901         (print_c_condition): Declare.
902         * read-rtl.c (ptr_loc): New structure.
903         (ptr_locs, ptr_loc_obstack, joined_conditions)
904         (joined_conditions_obstack): New variables.
905         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
906         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
907         (join_c_conditions, print_c_condition): New functions.
908         (apply_macro_to_string): Associate the new string with the same
909         source location as the old one.
910         (add_condition_to_string): Use join_c_conditions.
911         (read_string): Use set_rtx_ptr_loc to record a filename and line
912         number for the string.
913         (read_rtx): Initialize the new variables above.
914         * genattrtab.c (write_test_expr, write_attr_value): Use
915         print_c_condition.
916         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
917         comment above the GCC_VERSION check.
918         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
919         Inline the definition of MAYBE_EVAL.
920         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
921         * genoutput.c (process_template): Likewise.
922         * genpreds.c (write_predicate_subfunction): Likewise.
923         (write_predicate_expr): Use print_c_condition.
924         * genrecog.c (write_cond): Likewise.
925         * gensupport.c (process_rtx): Use join_c_conditions to join the
926         conditions of a define_insn_and_split.  Record a source location
927         for the string after the "&&".
928         (alter_test_for_insn): Use join_c_conditions.
929
930 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
931
932         Revert for now:
933         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
934         PR tree-optimization/15784
935         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
936         and -1 - A to ~A.
937
938 2005-03-04  Ben Elliston  <bje@au.ibm.com>
939
940         * gcc.c (option_map): Add --coverage.
941         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
942         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
943         * config/darwin.h: Pass -lgcov for `coverage'.
944         * doc/invoke.texi (Debugging Options): Document --coverage.
945
946 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
947
948         * gcse.c (bypass_block): Use find_edge wherever possible.
949
950 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
951
952         Fix PR debug/20253
953         
954         * c-opts.c (c_common_parse_file): Call start_source_file
955         and end_source_file at the approriate times.
956
957         * dwarf2out.c (dwarf2out_finish): Don't auto-end
958         the main file, it will be done for us now.
959         
960 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
961
962         * fold-const.c (fold_ternary): New.
963         (fold): Call fold_ternary on ternary expressions.  Remove
964         handling of ternary expressions.
965
966 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
967
968         PR tree-optimization/15784
969         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
970         and -1 - A to ~A.
971
972 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
973
974         * config/rs6000/predicates.md (branch_comparison_operator):
975         Convert from C block to conditional format.
976
977 2005-03-03  Jan Hubicka  <jh@suse.cz>
978
979         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
980         and non-constant public variables.
981
982 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
983
984         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
985         with LABEL_EXPR.
986
987         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
988         EDGE_I.
989
990         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
991         calls to release_ssa_name and release_phi_node.
992
993         * fold-const.c (fold): Remove handling of unary expressions.
994
995         * fold-const.c (fold_unary): Avoid directly using the original
996         expression t as much as possible.
997
998 2005-03-03  Roger Sayle  <roger@eyesopen.com>
999             Andrew Pinski  <pinskia@physics.uc.edu>
1000
1001         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
1002         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
1003
1004 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
1005
1006         Describe special registers SRP and MOF as allocatable registers.
1007         * config/cris/cris.c (cris_md_asm_clobbers): New function.
1008         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
1009         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
1010         TARGET_HAS_MUL_INSNS.
1011         (cris_print_operand) <case 'd'>: New case.
1012         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
1013         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
1014         define.
1015         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
1016         (REG_ALLOC_ORDER): Update for MOF.
1017         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
1018         SPECIAL_REGS.
1019         (GENERAL_REGS): No longer a define of ALL_REGS.
1020         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
1021         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
1022         Adjust accordingly.
1023         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
1024         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
1025         (SECONDARY_RELOAD_CLASS): Define.
1026         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
1027         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
1028         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
1029         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
1030         (REGISTER_MOVE_COST): Define.
1031         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
1032         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
1033         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
1034         (CRIS_MOF_REGNUM): New define_constants.
1035         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
1036         special registers.
1037         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
1038         New patterns.
1039         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
1040         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
1041         Adjust for MOF being properly described as a register.
1042         (indir_to_reg_split): Name this split.  Conditionalize on the
1043         destination register being a general register.
1044         (movei): Conditionalize on on operands 0 and 1 having the same
1045         register class.
1046
1047 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
1048
1049         PR target/20277
1050         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
1051         -mcpu to override any other explicitly given flags.
1052
1053 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
1054
1055         * recog.c (verify_changes, confirm_change_group): New functions,
1056         broken out of apply_change_group.
1057         (apply_change_group): Use them.
1058         * recog.h (verify_change, confirm_change_group): Declare.
1059         * rtl.h (redirect_jump_2): Declare.
1060         * jump.c (redirect_exp, invert_exp): Delete.
1061         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
1062         (redirect_jump_2): New function, broken out of redirect_jump.
1063         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
1064         (invert_jump): Use invert_jump_1 and redirect_jump_2.
1065         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
1066
1067 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
1068
1069         * varasm.c (named_section): Use xstrdup rather than doing it by
1070         hand.
1071
1072         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
1073
1074 2005-03-02  Devang Patel  <dpatel@apple.com>
1075         
1076         Undo PR tree-optimization/18815 fix.
1077         
1078 2005-03-02  Devang Patel  <dpatel@apple.com>
1079
1080         PR tree-optimization/18815
1081         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
1082         loops with zero exit edges.
1083         
1084 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
1085
1086         * cfg.c (connect_src, connect_dest, disconnect_src,
1087         disconnct_dest): New.
1088         (unchecked_make_edge, remove_edge, redirect_edge_succ,
1089         redirect_edge_pred): Use the new functions.
1090
1091         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
1092         free_dominance_info only when needed.
1093
1094 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
1095
1096         PR target/20276
1097         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
1098         (reg_or_sub_cint64_operand): Same.
1099
1100 2005-03-02  Jeff Law  <law@redhat.com>
1101
1102         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
1103         CFG_ALTERED in the main DOM iteration loop.
1104
1105 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
1106
1107         PR c++/19916
1108         * varasm.c (initializer_constant_valid_p): Allow conversions
1109         between OFFSET_TYPEs.  Tidy.
1110
1111 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
1112
1113         * config/cris/cris.md ("return"): Remove epilogue delay list
1114         sanity check.
1115
1116 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
1117
1118         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
1119         for Thumb.
1120         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
1121
1122 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
1123
1124         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
1125         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
1126         config/m68k/m68k.c, config/mips/mips.h,
1127         config/rs6000/rs6000-protos.h, doc/contrib.texi,
1128         doc/include/gcc-common.texi: Update copyright.
1129
1130         PR middle-end/18029 and PR middle-end/18030
1131         * expr.c (optimize_bitfield_assignment_op): Add a special case
1132         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
1133
1134         * fold-const.c (fold_unary): New.
1135         (fold): Call fold_unary on unary expressions.
1136
1137 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
1138
1139         * cgraph.h (struct cgraph_edge): Add prev_caller and
1140         prev_callee fields.
1141         (cgraph_node_remove_callees): Export.
1142         * cgraph.c (cgraph_create_edge): Initialize prev_caller
1143         and prev_callee.
1144         (cgraph_edge_remove_callee): New function.
1145         (cgraph_edge_remove_caller): Likewise.
1146         (cgraph_remove_edge): Use.
1147         (cgraph_redirect_edge_callee): Likewise.
1148         (cgraph_node_remove_callees): New function.
1149         (cgraph_node_remove_callers): Likewise.
1150         (cgraph_remove_node): Use.
1151         * tree-optimize.c (tree_rest_of_compilation): Use
1152         cgraph_node_remove_callees instead of manual loop.
1153         * cgraphunit.c (cgraph_finalize_function): Likewise.
1154         (cgraph_expand_function): Likewise.
1155         (cgraph_remove_unreachable_nodes): Likewise.
1156
1157 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
1158
1159         PR c/8927
1160         * c-tree.h (undeclared_variable, build_external_ref): Add extra
1161         argument.
1162         * c-decl.c (undeclared_variable): Take location as argument.
1163         * c-typeck.c (build_external_ref): Likewise.
1164         * c-parser.c (c_parser_postfix_expression): Pass location of
1165         identifier to build_external_ref.
1166
1167 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
1168
1169         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
1170         CCEQ mode for branch_positive_comparison_operator test.
1171         * config/rs6000/predicates (branch_comparison_operator): Revert to
1172         define_predicate.
1173         (scc_comparison_operator): Same.
1174         (branch_positive_comparison_operator): Same.
1175
1176 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
1177
1178         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
1179         (cris_delay_slots_for_epilogue): Remove.
1180         (save_last): Move into cris_target_asm_function_epilogue.
1181         (cris_target_asm_function_epilogue): Remove tests for file being
1182         NULL.
1183         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
1184         (cris_delay_slots_for_epilogue): Remove prototypes.
1185         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
1186         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
1187
1188 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
1189
1190         * config/rs6000/predicates.md (branch_comparison_operator): Change
1191         to define_special_predicate.
1192         (scc_comparison_operator): Same.
1193         (branch_positive_comparison_operator): Same.
1194
1195 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
1196
1197         * Makefile.in (tree-ssa-sink.o): New.
1198         (OBJS-common): Add tree-ssa-sink.o.
1199         * common.opt: Add -ftree-sink
1200         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
1201         * timevar.def (TV_TREE_SINK): new timevar.
1202         * tree-flow.h (is_hidden_global_store): Prototype.
1203         * tree-optimize.c (init_tree_optimization_passes): Add
1204         pass_sink_code.
1205         * tree-pass.h (pass_sink_code): New.
1206         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
1207         for non-obvious global store store to is_hidden_global_store, and
1208         call that new function.
1209         * tree-ssa-sink.c: New file.
1210         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
1211         * doc/passes.texi: Document forward store motion.
1212         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
1213         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
1214         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
1215         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
1216
1217 2005-03-01  Per Bothner  <per@bothner.com>
1218
1219         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
1220         and we have a non-zero column-number, add it to the message.
1221         Also factor out the diagnostic_kind_text.
1222
1223 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
1224
1225         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
1226         flow_loop_pre_header_scan, flow_loop_pre_header_find,
1227         flow_loop_scan): Removed.
1228         (flow_loop_dump): Do not dump removed fields.
1229         (flow_loop_free): Do not free removed fields.
1230         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
1231         (loop_exit_edge_p): New function.
1232         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
1233         num_pre_header_edges, entry_edges, num_entries, exit_edges,
1234         num_exits, exits_doms.
1235         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
1236         LOOP_EDGES, LOOP_ALL): Removed.
1237         (flow_loop_scan): Declaration removed.
1238         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
1239         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
1240         flow_loops_find.
1241         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
1242         (if_convert): Call flow_loops_find and flow_loops_free
1243         when calling mark_loop_exit_edges.
1244         * cfgloopanal.c (mark_loop_exit_edges): Moved from
1245         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
1246         free_dominance_info calls.
1247         * loop-init.c (flow_loops_find): Ditto.
1248         * passes.c (rest_of_handle_branch_prob): Ditto.
1249         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
1250         * loop-unroll.c (analyze_insns_in_loop): Do not use
1251         EDGE_LOOP_EXIT.
1252         * predict.c (predict_loops): Do not call flow_loop_scan.
1253         Use get_loop_exit_edges.
1254         (tree_estimate_probability): Do not pass flags to flow_loops_find.
1255         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
1256         Do not use EDGE_LOOP_EXIT.
1257         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
1258         to bb_with_exit_edge_p.
1259         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
1260         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
1261         to bb_with_exit_edge_p.
1262         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
1263         EDGE_LOOP_EXIT.
1264         * tree-loop-linear.c (linear_transform_loops): Do not call
1265         flow_loop_scan.  Use loop->single_exit.
1266         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
1267         (vect_analyze_loop_form): Do not call flow_loop_scan.
1268         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
1269         loop->single_exit.
1270         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
1271         loop->single_exit.
1272         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
1273         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
1274         slpeel_tree_duplicate_loop_to_edge_cfg,
1275         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
1276         Use loop_preheader_edge and loop->single_exit.  Do not call
1277         flow_loop_scan.
1278
1279 2005-03-01  Nick Clifton  <nickc@redhat.com>
1280
1281         * config/arm/arm.c (thumb_find_work_register): Check all of the
1282         argument registers to see if they are free, and a couple of
1283         special cases where the last argument register but can be proved
1284         to be available during the function's prologue.
1285         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
1286         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
1287         thumb_unexpanded_epilogue): Use unsigned long as the type for the
1288         register bit-mask.
1289         (thumb_compute_save_reg_mask): Likewise.  Also use
1290         thumb_find_work_register() to ensure that there is agreement about
1291         which work register is going to be used in the prologue.
1292         (thumb_output_function_prologue): Use unsigned long as the type
1293         for the register bit-mask.  Also delay pushing the link register if
1294         other high registers are going to be pushed.
1295         (thumb_compute_save_reg_mask, emit_multi_reg_push,
1296         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
1297         redundant prototypes.
1298
1299 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
1300
1301         PR target/19819
1302         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
1303         and after reload in REG+REG indexed addresses without REG_POINTER
1304         set in the base and not set in the index.
1305
1306 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
1307
1308         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
1309         Don't undefine here.
1310         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
1311         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
1312         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
1313         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
1314         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
1315         Delete.
1316         * config.gcc (sh*-*-linux*): Use config/linux.h.
1317
1318 2005-02-28  Dale Johannesen  <dalej@apple.com>
1319             Stan Shebs  <shebs@apple.com>
1320
1321         Rewrite of 64-bit Darwin structure-by-value pass/return.
1322         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
1323         intoffset, use_stack, named.
1324         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
1325         (rs6000_darwin64_record_arg_advance_flush):  New.
1326         (rs6000_darwin64_record_arg_advance_recurse): New.
1327         (rs6000_darwin64_record_arg_flush):  New.
1328         (rs6000_darwin64_record_arg_recurse):  New.
1329         (rs6000_darwin64_record_arg):  New.
1330         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
1331         (function_arg_boundary):  Handle 128-bit aligned structs.
1332         (function_arg_advance):  Rewrite darwin64 struct handling.
1333         (function_arg):  Call rs6000_darwin64_record_arg.
1334         (function_arg_partial_nregs):  Handle darwin64 structs.
1335         (rs6000_darwin64_function_value):  Remove.
1336         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
1337
1338 2005-02-28  Roger Sayle  <roger@eyesopen.com>
1339
1340         PR tree-optimization/20216
1341         * tree-chrec.c (tree_fold_factorial): Delete.
1342         (tree_fold_binomial): Change argument list to take a return type
1343         and change the type of K to unsigned int.  Rewrite to avoid explicit
1344         evaluation of factorials, and (recursively) calling fold to perform
1345         compile-time arithmetic.  Return NULL on (internal) overflow.
1346         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
1347         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
1348         if any intermediate calculation overflows.
1349         (chrec_apply): Update call to chrec_evaluate.
1350
1351 2005-02-28  James E Wilson  <wilson@specifixinc.com>
1352
1353         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
1354
1355 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
1356
1357         PR c/20245
1358         * c-parser.c (c_parser_compound_statement): Return error_mark_node
1359         instead of NULL_TREE on error.
1360
1361 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
1362
1363         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
1364         (EASY_VECTOR_15_ADD_SELF): Remove.
1365         (num_insns_constant_wide): Not static.
1366         (validate_condition_mode): Not static.
1367         (toc_relative_expr_p): Not static.
1368         (legitimate_indirect_address_p): Not static.
1369         (macho_lo_sum_memory_operand): Not static.
1370         (invalid_e500_subreg): Not static.
1371         (easy_vector_same): Not static.
1372         (easy_vector_splat_const): Not static.
1373         (RS6000_SYMBOL_REF_TLS_P): Remove.
1374         (any_operand): Delete.
1375         (any_parallel_operand): Delete.
1376         (count_register_operand): Delete.
1377         (altivec_register_operand): Delete.
1378         (xer_operand): Delete.
1379         (s8bit_cint_operand): Delete.
1380         (short_cint_operand): Delete.
1381         (u_short_cint_operand): Delete.
1382         (non_short_cint_operand): Delete.
1383         (exact_log2_cint_operand): Delete.
1384         (gpc_reg_operand): Delete.
1385         (cc_reg_operand): Delete.
1386         (cc_reg_not_cr0_operand): Delete.
1387         (reg_or_short_operand): Delete.
1388         (reg_or_neg_short_operand): Delete.
1389         (reg_or_aligned_short_operand): Delete.
1390         (reg_or_u_short_operand): Delete.
1391         (reg_or_cint_operand): Delete.
1392         (reg_or_arith_cint_operand): Delete.
1393         (reg_or_add_cint64_operand): Delete.
1394         (reg_or_sub_cint64_operand): Delete.
1395         (reg_or_logical_cint_operand): Delete.
1396         (got_operand): Delete.
1397         (got_no_const_operand): Delete.
1398         (easy_fp_constant): Delete.
1399         (easy_vector_constant): Delete.
1400         (easy_vector_constant_add_self): Delete.
1401         (zero_constant): Delete.
1402         (zero_fp_constant): Delete.
1403         (volatile_mem_operand): Delete.
1404         (offsettable_mem_operand): Delete.
1405         (mem_or_easy_const_operand): Delete.
1406         (add_operand): Delete.
1407         (non_add_cint_operand): Delete.
1408         (logical_operand): Delete.
1409         (non_logical_cint_operand): Delete.
1410         (mask_operand): Delete.
1411         (mask_operand_wrap): Delete.
1412         (mask64_operand): Delete.
1413         (mask64_2_operand): Delete.
1414         (and64_operand): Delete.
1415         (and64_2_operand): Delete.
1416         (and_operand): Delete.
1417         (reg_or_mem_operand): Delete.
1418         (lwa_operand): Delete.
1419         (symbol_ref_operand): Delete.
1420         (call_operand): Delete.
1421         (current_file_function_operand): Delete.
1422         (input_operand): Delete.
1423         (rs6000_nonimmediate_operand): Delete.
1424         (rs6000_tls_symbol_ref): Delete.
1425         (save_world_operation): Delete.
1426         (restore_world_operation): Delete.
1427         (load_multiple_operation): Delete.
1428         (store_multiple_operation): Delete.
1429         (vrsave_operation): Delete.
1430         (mfcr_operation): Delete.
1431         (mtcrf_operation): Delete.
1432         (lmw_operation): Delete.
1433         (stmw_operation): Delete.
1434         (branch_comparison_operator): Delete.
1435         (branch_positive_comparison_operator): Delete.
1436         (scc_comparison_operator): Delete.
1437         (trap_comparison_operator): Delete.
1438         (boolean_operator): Delete.
1439         (boolean_or_operator): Delete.
1440         (min_max_operator): Delete.
1441         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
1442         (EASY_VECTOR_15): Moved to here.
1443         (EASY_VECTOR_15_ADD_SELF): Move to here.
1444         (PREDICATE_CODES): Delete.
1445         * config/rs6000/rs6000-protos.h: Delete predicate functions.
1446         Declare functions no longer static.
1447         * config/rs6000/predicates.md: New.
1448         * config/rs6000/rs6000.md: Include predicates.md
1449
1450 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
1451
1452         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
1453         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
1454         REG_ALWAYS_RETURN.
1455         * cfgrtl.c (need_fake_edge_p): Likewise.
1456         * combine.c (distribute_notes): Likewise.
1457         * emit-rtl.c (try_split): Likewise.
1458         * recog.c (peephole2_opimize): Likewise.
1459         * reg-notes.def (ALWAYS_RETURN): Remove.
1460         * rtl.h (LCT_ALWAYS_RETURN): Remove.
1461         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
1462         * tree.h (ECF_ALWAYS_RETURN): Remove.
1463
1464 2005-02-28  Roger Sayle  <roger@eyesopen.com>
1465
1466         PR middle-end/19874
1467         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
1468         between different machine modes is never a "useless" conversion.
1469
1470 2005-02-28  Geert Bosch  <bosch@gnat.com>
1471
1472         PR ada/15977
1473         * doc/contrib.texi: List contributors for Ada front end
1474
1475 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
1476
1477         * simplify-rtx.c (simplify_unary_operation_1,
1478         simplify_const_unary_operation): New, extracted from...
1479         (simplify_unary_operation): ... this one.
1480         (simplify_binary_operation_1,
1481         simplify_const_binary_operation): New, extracted from...
1482         (simplify_binary_operation): ... this one.
1483         * rtl.h (simplify_const_unary_operation,
1484         simplify_const_binary_operation): Add prototypes.
1485
1486 2005-02-28  Julian Brown  <julian@codesourcery.com>
1487
1488         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
1489         building libjava and caused PR regression/20228.
1490
1491 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
1492
1493         PR bootstrap/17383
1494         * Makefile.in (host_subdir): New.
1495         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
1496         * configure: Regenerate.
1497
1498 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
1499
1500         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
1501         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
1502         installation directory first.
1503
1504 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
1505
1506         PR target/19065.
1507         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
1508         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
1509         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
1510         * config/cris/cris.md: Tweak comments referring to Q.
1511         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
1512         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
1513         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
1514         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
1515         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
1516         Insert spaces in constraints to align alternatives vertically for
1517         readability.
1518         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
1519         operand 1: "M".
1520
1521 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1522
1523         PR rtl-optimization/17728
1524         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
1525         operand 0 from general_operand to move_dest_operand.
1526
1527 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1528
1529         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
1530         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
1531         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
1532         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
1533
1534 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
1535
1536         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
1537         * configure: Regenerate.
1538         * libada-mk.in: Remove CC; rename
1539         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
1540
1541 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
1542
1543         PR tree-opt/20188
1544         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
1545         for the lhs, also walk over the tree.  Likewise for rhs.
1546
1547 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
1548
1549         * tree-ssa-dom.c (simple_iv_increment_p): New function.
1550         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
1551         Do not propagate value of iv before increment over the increment.
1552
1553 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
1554
1555         * c-parser.c: New file.
1556         * c-parse.in: Remove.
1557         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
1558         Remove.
1559         (c-parser.o): Add dependencies.
1560         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
1561         maintainer-clean, TAGS): Update.
1562         * c-config-lang.in (gtfiles): Update.
1563         * gengtype-lex.l: Don't handle "@@".
1564         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
1565         objc_build_synchronized, objc_begin_try_stmt,
1566         objc_begin_catch_clause, objc_finish_catch_clause,
1567         objc_build_finally_clause, objc_finish_try_stmt): New.
1568         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
1569         type_seen_p.
1570         (c_parse_init): Update comment.
1571         * c-decl.c (c_init_decl_processing): Update comment.
1572         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
1573         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
1574         new c_declspecs members.
1575
1576 2005-02-25  Julian Brown  <julian@codesourcery.com>
1577
1578         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
1579         from being used for symbols with vague linkage when
1580         HAVE_GAS_COMDAT_GROUP is true.
1581
1582 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
1583
1584         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
1585
1586 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
1587
1588         PR target/19930
1589         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
1590         (LIBGCC2_HAS_DF_MODE): New.
1591         (LIBGCC2_HAS_XF_MODE): New.
1592         (LIBGCC2_HAS_TF_MODE): New.
1593         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
1594         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
1595         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
1596         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
1597         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
1598         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
1599         and add _fixtfdi, _fixunstfdi, _floatditf
1600         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
1601         L_fixunstfdi, L_floatditf.
1602         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
1603         (LIBGCC2_HAS_TF_MODE): Define.
1604
1605 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
1606
1607         PR tree-optimization/20204
1608         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
1609         REWRITE_THIS_STMT markers on PHI nodes.
1610         (rewrite_initialize_block): Likewise.
1611
1612 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
1613
1614         * version.c (version_string): Update to 4.1.
1615
1616 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
1617
1618         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
1619         Clarify that the alternative way doesn't work in GNU C++.
1620
1621 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
1622
1623         PR tree-optimization/19937
1624         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
1625         to the type of the induction variable.
1626
1627 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
1628
1629         PR rtl-optimization/20117
1630         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
1631         the block including noncopyable insn.
1632
1633 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
1634
1635         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
1636         calls to find_reg_note.
1637
1638 2005-02-24  Richard Henderson  <rth@redhat.com>
1639
1640         PR tree-opt/20127
1641         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
1642         the type.
1643
1644 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
1645
1646         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
1647         vector types if to use base reg for misaligned non-word ld/std.
1648
1649 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
1650
1651         PR target/14619
1652         * config/cris/cris.c (cris_target_asm_function_prologue): Create
1653         dwarf2 label manually and put it after, not before the prologue.
1654
1655 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
1656
1657         PR target/19019
1658         * reload.c (operands_match_p): Only increment register number for
1659         SCALAR_INT_MODE_P modes in multiple hard registers.
1660
1661         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
1662         Fix formatting.
1663
1664 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1665
1666         * ChangeLog.5: Fix log message typo(s).
1667         * ChangeLog.7: Likewise.
1668         * ChangeLog.tree-ssa: Likewise.
1669         * cfgexpand.c: Fix comment typo(s).
1670         * conflict.c: Likewise.
1671         * defaults.h: Likewise.
1672         * dwarf2out.c: Likewise.
1673         * gcse.c: Likewise.
1674         * ggc-page.c: Likewise.
1675         * tree-eh.c: Likewise.
1676         * tree-ssa-dom.c: Likewise.
1677
1678 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
1679
1680         PR target/19019
1681         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
1682         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
1683         if SHARED is defined.
1684
1685         PR target/20196
1686         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
1687         allow splitting only if operands 0 and 3 don't overlap.
1688
1689 2005-02-24  Richard Henderson  <rth@redhat.com>
1690
1691         PR middle-end/19953
1692         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
1693         (fold_builtin_1): Call them.
1694         * fold-const.c (fold_complex_mult_parts): Split out from ...
1695         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
1696         (fold_complex_div_parts, fold_complex_div): New.
1697         (fold): Use them.
1698         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
1699
1700 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1701
1702         * tree-ssa-ccp.c (visit_assignment): Verify that result of
1703         VIEW_CONVERT_EXPR is_gimple_min_invariant.
1704
1705         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
1706         (print_node): Likewise.
1707         Print TYPE_SIZES_GIMPLIFIED.
1708
1709 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
1710
1711         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
1712         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
1713         operands as commutative in constraints.
1714
1715 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
1716
1717         * tree-into-ssa.c: Re-organize internal functions.
1718
1719 2005-02-24  Richard Henderson  <rth@redhat.com>
1720
1721         PR middle-end/18902
1722         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
1723         for c99.
1724         * common.opt (fcx-limited-range): New.
1725         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
1726         * toplev.c (flag_complex_method): Initialize to 1.
1727         (process_options): Set flag_complex_method to 0 if
1728         flag_cx_limited_range.
1729         * doc/invoke.texi (-fcx-limited-range): New.
1730
1731 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
1732
1733         * cse.c (delete_trivially_dead_insns): Speed up by using
1734         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
1735         prev_real_insn.
1736
1737 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
1738
1739         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
1740         functions when -mid-shared-library is being used.
1741
1742 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
1743
1744         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
1745         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
1746         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
1747         * system.h: Poison LINK_LIBGCC_SPECIAL.
1748
1749 2005-02-23  James E Wilson  <wilson@specifixinc.com>
1750
1751         * gengtype.c (note_insn_name): Make 1 element larger.
1752
1753 2005-02-23  Roger Sayle  <roger@eyesopen.com>
1754
1755         PR target/20018
1756         PR rtl-optimization/20097
1757         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
1758         BImode SUBREGs of SImode registers which confuse the ia64 backend.
1759
1760 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
1761
1762         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
1763         * t-aix52 (SHLIB_INSTALL): Same.
1764
1765 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
1766
1767         * genpreds.c: Update copyright.
1768
1769 2005-02-23  Michael Beach  <michaelb@ieee.org>
1770
1771         PR target/20159
1772         * config/sparc/t-elf (startup files): Assemble with CPP.
1773
1774 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
1775
1776         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
1777         (write_predicate_expr): Likewise.
1778
1779 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
1780
1781         PR tree-optimization/20100
1782         PR tree-optimization/20115
1783         * tree-optimize.c (init_tree_optimization_passes): Remove
1784         pass_maybe_create_global_var.
1785         * tree-pass.h (pass_maybe_create_global_var): Remove.
1786         * tree-ssa-alias.c (aliases_computed_p): Declare.
1787         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
1788         (count_calls_and_maybe_create_global_var): Remove.
1789         (pass_maybe_create_global_var): Remove.
1790         (init_alias_info): Do not declare aliases_computed_p.
1791         (maybe_create_global_var): If the function contains no
1792         call-clobbered variables and a mix of pure/const and regular
1793         function calls, create .GLOBAL_VAR.
1794         Mark all call-clobbered variables for renaming.
1795         (merge_pointed_to_info): Update comment.
1796         (add_pointed_to_var): Likewise.
1797         (is_escape_site): Likewise.
1798         Accept struct alias_info * instead of size_t *.
1799         Update all users.
1800         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
1801         as necessary.
1802         * tree-ssa-operands.c (get_call_expr_operands): If
1803         ALIASES_COMPUTED_P is false, do not add call-clobbering
1804         operands.
1805         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
1806         (delete_tree_ssa): Likewise.
1807
1808 2005-02-22  James E Wilson  <wilson@specifixinc.com>
1809
1810         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
1811         (do_compile): Do call it here.
1812
1813 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
1814
1815         PR rtl-optimization/20017.
1816         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
1817         rest_of_handle_cse2, rest_of_handle_gcse): Call
1818         delete_dead_jumptables immediately before calling cleanup_cfg.
1819
1820 2005-02-22  Devang Patel  <dpatel@apple.com>
1821
1822         PR 19952
1823         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
1824         all labels
1825
1826 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
1827
1828         * config/rs6000/aix.h (WINT_TYPE): Define.
1829
1830 2005-02-22  Stan Shebs  <shebs@apple.com>
1831
1832         * config/rs6000/rs6000.c (rs6000_override_options): Default to
1833         natural alignment for 64-bit Darwin.
1834         (rs6000_parse_alignment_option): Warn about uses of -malign-power
1835         on 64-bit Darwin.
1836         * doc/invoke.texi: Document this.
1837
1838 2005-02-22  DJ Delorie  <dj@redhat.com>
1839
1840         * c-common.c (c_common_type_for_mode): Pass the mode's precision
1841         to make_[un]signed_type, not the mode itself.
1842
1843 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
1844
1845         * cfg.c (cached_make_edge): Call make_edge if edge cache is
1846         not available.  Use tail calls wherever possible.
1847         (make_edge): Call unchecked_make_edge to create an edge.
1848
1849         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
1850         (coalesce_ssa_name): Don't check for
1851         SSANORM_USE_COALESCE_LIST.
1852         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
1853
1854 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
1855
1856         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
1857         (rewrite_into_ssa): ... here.
1858
1859 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
1860
1861         PR tree-optimization/19786
1862         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
1863         tag to another's may-alias bitmap when adding to the other's list.
1864
1865 2005-02-21  DJ Delorie  <dj@redhat.com>
1866
1867         * tree-ssa-loop-ivopts.c (computation_cost): Start register
1868         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
1869         registers in unsupported ways.
1870         * expmed.c (init_expmed): Likewise.
1871
1872 2005-02-21  Stan Cox  <scox@redhat.com>
1873
1874         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
1875
1876 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
1877
1878         * tree-cfg.c (fold_cond_expr_cond): New.
1879         (make_edges): Call fold_cond_expr_cond.
1880         (find_taken_edge): Accept nothing but INTEGER_CST.
1881         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
1882         and 1.
1883         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
1884
1885         * flow.c (delete_dead_jumptables): Speed up by scanning insns
1886         that do not belong to any basic block.
1887
1888 2005-02-21  Jeff Law  <law@redhat.com>
1889
1890         * cfganal.c (find_unreachable_blocks): Manually CSE load of
1891         e->dest.
1892
1893 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
1894
1895         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
1896         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
1897         Adjust their definitions.
1898         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
1899         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
1900
1901         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
1902         genautomata.c, langhooks.c, langhooks.h, system.h,
1903         config/arm/lib1funcs.asm: Update copyright.
1904
1905 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
1906
1907         * dbxout.c (dbxout_function_end): Emit Lscope label always.
1908
1909 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
1910
1911         PR bootstrap/13770
1912         * doc/install.texi: Document --with-gc.
1913
1914 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
1915
1916         * simplify-rtx.c (simplify_unary_operation): Add a missing
1917         "break" statement.
1918
1919 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
1920
1921         PR tree-optimization/18663
1922         * tree-ssa-dom.c (extract_range_from_cond): Return 0
1923         if the type has variable bounds.
1924
1925 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
1926
1927         * gcse.c: Remove an obsolete comment.
1928
1929         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
1930
1931 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
1932
1933         * doc/extend.texi (Function Attributes) <Attribute const>: The
1934         attribute "pure" is below this text, not above.
1935
1936 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1937
1938         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
1939         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
1940         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
1941
1942 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
1943
1944         PR 18785
1945         * langhooks.h (struct lang_hooks): Add to_target_charset.
1946         * langhooks.c (lhd_to_target_charset): New function.
1947         * langhooks-def.h: Declare lhd_to_target_charset.
1948         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
1949         (LANG_HOOKS_INITIALIZER): Update.
1950         * c-common.c (c_common_to_target_charset): New function.
1951         * c-common.h: Declare it.
1952         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
1953         c_common_to_target_charset.
1954
1955         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
1956         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
1957         Delete definitions.
1958         * system.h: Poison them.
1959         * doc/tm.texi: Don't discuss them.
1960         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
1961         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
1962         (pp_c_char): Do not attempt to generate letter escapes for
1963         newline, tab, etc.
1964         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
1965         * config/mips/mips.c (mips_output_ascii): Likewise.
1966
1967 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
1968
1969         PR tree-optimization/19951
1970         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
1971         is abnormal.
1972
1973 2005-02-19  Steven Bosscher  <stevenb@suse.de>
1974
1975         PR middle-end/19698
1976         * function.h (struct function): New field `max_loop_depth'.
1977         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
1978         (flow_loops_find): Reset the max loop depth count before finding loops.
1979         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
1980         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
1981         (calculate_global_regs_live): Make sure the loop will terminate
1982         when the initial sets are not empty.
1983
1984 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
1985
1986         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
1987         object inside.
1988         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
1989
1990 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
1991
1992         PR other/19525
1993         * doc/invoke.texi: Remove documentation of %M spec.
1994         * gcc.c: Likewise.
1995         (init_spec): Remove %M suffix from -lgcc_s.
1996         (do_spec_1): Remove 'M' case.
1997         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
1998         to put shared libraries in the multilib directory.  Remove the
1999         shlib_so_soname substitution variable.  Don't add a multilib encoding
2000         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
2001         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
2002         SHLIB_INSTALL as well as SHLIB_LINK.
2003         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
2004         (SHLIB_NAME): Delete.
2005         (SHLIB_DIR): New macro.
2006         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
2007         (SHLIB_INSTALL): Adjust accordingly.
2008         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
2009         * config/t-slibgcc-sld: Likewise.
2010         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
2011         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
2012         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
2013         in $(SHLIB_DIR).
2014         (SHLIBUNWIND_INSTALL): Adjust accordingly.
2015         * config/i386/t-nwld (SHLIB_SONAME): Delete.
2016         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
2017         Use @shlib_base_name@ instead of @shlib_so_name@.
2018         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
2019         and @shlib_base_name@.so in @multilib_dir@.
2020         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
2021         to the install path.
2022         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
2023         (SHLIB_LINK): Remove previous workaround.
2024         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
2025         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
2026         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
2027         the install path.
2028         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
2029         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
2030         (SHLIB_INSTALL): Adjust accordingly.
2031         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
2032         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
2033         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
2034         config/t-slibgcc-elf-ver.
2035
2036 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
2037             Jakub Jelinek  <jakub@redhat.com>
2038
2039         PR tree-optimization/19828
2040         * tree-ssa-loop-im.c: Add a TODO comment.
2041         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
2042         without side-effects.
2043
2044 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
2045
2046         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
2047         call fold_convert.
2048
2049 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
2050
2051         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
2052         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
2053         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
2054         functions.
2055         (ia64_reorg): Delete fixup_errata call.
2056         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
2057         (TARGET_SWITCHES): Delete -mb-step entry.
2058
2059 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
2060
2061         PR c/20043
2062         * c-typeck.c (composite_type): Handle quals in transparent unions.
2063         (type_lists_compatible_p): Likewise.
2064
2065 2005-02-18  Stan Shebs  <shebs@apple.com>
2066
2067         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
2068         expressions in the .literal8 section.
2069
2070 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
2071
2072         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
2073
2074 2005-02-18  Roger Sayle  <roger@eyesopen.com>
2075
2076         * fold-const.c (constant_boolean_node): Always create values of the
2077         specified type, don't bother calling truthvalue_conversion.
2078
2079 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
2080
2081         * except.c (output_function_exception_table): Call
2082         assemble_external_libcall (eh_personality_libfunc).
2083
2084 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
2085
2086         PR target/19886
2087         * config/ia64/ia64.h (struct machine_function): Add state_num.
2088         * config/ia64/ia64.c (process_epilogue,
2089         process_for_unwind_directive): Use new unwind state numbers each
2090         time rather than state 1.
2091
2092 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
2093
2094         PR target/20054
2095         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
2096         before the "*llgt_didi" pattern.
2097
2098 2005-02-18  Jason Merrill  <jason@redhat.com>
2099
2100         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
2101
2102 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
2103
2104         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
2105         (div0): Use it in place of ARM_FUNC_ALIAS.
2106         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
2107
2108 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
2109
2110         PR middle-end/20030
2111         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
2112         access, the lower bound of the array type if it exists.
2113
2114 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
2115
2116         PR c++/20008
2117         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
2118         cases that are out-of-range for the index type.
2119
2120 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
2121
2122         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
2123         (estimate_case_costs): Don't call convert.
2124         * expmed.c (expand_shift): Likewise.
2125         (make_tree): Call fold_convert instead of convert.
2126
2127 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
2128
2129         PR c++/19813
2130         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
2131         that ref to be marked MEM_READONLY_P doesn't have base that needs
2132         constructing.
2133
2134 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
2135
2136         * genautomata.c (output_get_cpu_unit_code_func,
2137         output_cpu_unit_reservation_p): Don't generate old-style function
2138         definitions.
2139
2140 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
2141
2142         PR c++/20023
2143         PR tree-optimization/20009
2144         * convert.c (convert_to_integer): Revert 2005-02-16 change.
2145
2146         PR tree-optimization/18947
2147         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
2148         inline, remove all nodes that are inlined into the extern inline
2149         being redefined.
2150
2151 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
2152
2153         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
2154         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
2155         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
2156         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
2157         Update copyright.
2158
2159 2005-02-17  Roger Sayle  <roger@eyesopen.com>
2160
2161         PR tree-optimization/19917
2162         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
2163         to be potentially trapping.
2164
2165 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
2166
2167         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
2168
2169 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
2170
2171         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
2172         tem becomes a local variable which is set to the value of the
2173         back end defined INITIAL_FRAME_ADDRESS macro.
2174         (expand_builtin_frame_address): Omit the base parameter to
2175         expand_builtin_return_addr.
2176         (expand_builtin_profile_func): Likewise.
2177         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
2178         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
2179         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
2180
2181 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
2182
2183         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
2184         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
2185         * config/frv/frv.c (frv_function_epilogue): Likewise.
2186
2187 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
2188
2189         * lambda-code (perfect_nestify): Remove mark/unmark
2190         for rewriting hack.
2191         * tree-loop-linear.c (linear_transform_loops): Add
2192         rewrite_into_ssa call so that ssa is correct for
2193         rewriting into loop closed.
2194
2195 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
2196
2197         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
2198         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
2199         BITMAP_FREE.
2200         * bt-load.c (btr_def_live_range, combine_btr_defs,
2201         migrate_btr_def, migrate_btr_defs): Likewise.
2202         * cfgcleanup.c (thread_jump): Likewise.
2203         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
2204         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
2205         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
2206         df_rd_local_compute, df_reg_info_compute): Likewise.
2207         * dominance.c (init_dom_info, free_dom_info): Likewise.
2208         * flow.c (init_propagate_block_info,
2209         free_propagate_block_info): Likewise.
2210         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
2211         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
2212         modify_reg_pav): Likewise.
2213         * loop-invariant.c (find_defs, find_invariant_insn,
2214         find_invariants, free_inv_motion_data): Likewise.
2215         * predict.c (tree_predict_by_opcode,
2216         estimate_bb_frequencies): Likewise.
2217         * stmt.c (expand_case): Likewise.
2218         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
2219         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
2220         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
2221         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
2222         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
2223         rewrite_ssa_into_ssa): Likewise.
2224         * tree-optimize.c (tree_rest_of_compilation): Likewise.
2225         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
2226         analyze_edges_for_bb, perform_edge_inserts): Likewise.
2227         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
2228         * tree-sra.c (tree_sra): Likewise.
2229         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
2230         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
2231         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
2232         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
2233         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
2234         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
2235         Likewise.
2236         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
2237         calculate_live_on_entry, calculate_live_on_exit,
2238         build_tree_conflict_graph): Likewise.
2239         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
2240         record_important_candidates, set_use_iv_cost, find_depends,
2241         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
2242         tree_ssa_iv_optimize_finalize): Likewise.
2243         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
2244         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
2245         tree_duplicate_loop_to_header_edge): Likewise.
2246         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
2247         * tree-ssa.c (verify_flow_insensitive_alias_info,
2248         verify_name_tags, verify_ssa, init_tree_ssa,
2249         delete_tree_ssa): Likewise.
2250         * tree-ssanames.c (marked_ssa_names, init_ssanames,
2251         fini_ssanames): Likewise.
2252         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
2253
2254 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
2255
2256         * config/rs6000/t-rtems: Completely reworked.
2257
2258 2005-02-17  Ira Rosen  <irar@il.ibm.com>
2259
2260         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
2261
2262 2005-02-17  Ira Rosen  <irar@il.ibm.com>
2263
2264         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
2265         POINTER_TYPE_P when checking that type is a pointer.
2266         (vect_get_memtag): Remove.
2267         (vect_address_analysis): Use POINTER_TYPE_P. Call
2268         vect_object_analysis with dummy parameter for memtag.
2269         (vect_object_analysis): Extract memtag (functionality that
2270         used to be in vect_get_memtag and moved here). Fix printings.
2271         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
2272         with correct parameters. Remove call to vect_get_memtag.
2273
2274 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
2275
2276         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
2277         (tree-vectorizer.o): Added missing dependencies.
2278
2279         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
2280         decleration.
2281         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
2282         declaration in tree-vectorizer.c, now has an extern declaration in
2283         tree-vectorizer.h).
2284         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
2285         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
2286         get_vectype_for_scalar_type, vect_is_simple_use,
2287         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
2288         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
2289         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
2290         vectorizable_store, vectorizable_operation, vectorizable_assignment,
2291         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
2292         find_loop_location): Likewise.
2293
2294         * tree-vectorizer.c (langhooks.h): #include removed.
2295         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
2296         moved to tree-vectorized.h.
2297         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
2298         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
2299         get_vectype_for_scalar_type, vect_is_simple_use,
2300         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
2301         vect_supportable_dr_alignment, new_loop_vec_info,
2302         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
2303         vect_set_verbosity_level, find_loop_location): Likewise.
2304
2305         (vect_analyze_loop): Function externalized. Declaration moved to
2306         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
2307         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
2308         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
2309         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
2310         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
2311         vect_enhance_data_refs_alignment, vect_analyze_operations,
2312         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
2313         vect_stmt_relevant_p, vect_get_loop_niters,
2314         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
2315         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
2316         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
2317         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
2318         vect_get_memtag): Likewise.
2319
2320         (vectorizable_load): Function externalized. Declaration moved to
2321         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
2322         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
2323         vect_transform_loop): Likewise.
2324         (vect_transform_stmt): Moved to tree-vect-transform.c.
2325         (vect_align_data_ref, vect_create_destination_var,
2326         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
2327         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
2328         vect_get_vec_def_for_operand, vect_init_vector,
2329         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
2330         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
2331         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
2332         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
2333         vect_do_peeling_for_loop_bound): Likewise.
2334
2335         * tree-vect-analyze.c: New file.
2336         * tree-vect-transform.c: New file.
2337
2338 2005-02-17  Jason Merrill  <jason@redhat.com>
2339
2340         PR mudflap/19319, c++/19317
2341         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
2342         slot explicit.
2343
2344 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
2345
2346         * doc/install.texi (Specific): Update link for Darwin-specific
2347         tool binary site.
2348
2349 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
2350
2351         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
2352         constant_boolean_node.
2353
2354 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
2355
2356         PR target/19019
2357         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
2358         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
2359
2360 2005-02-16  Richard Henderson  <rth@redhat.com>
2361
2362         PR 19920
2363         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
2364         with W_TYPE_SIZE.
2365         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
2366         replace uses with Wtype_MAXp1_F.
2367         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
2368         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
2369         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
2370         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
2371         and HAVE_TFMODE as appropriate.
2372         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
2373         (__floatdisf): Likewise.
2374         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
2375         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
2376         (Wtype_MAXp1_F): New.
2377         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
2378         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
2379
2380 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
2381
2382         * PR target/19162
2383         * arm.c (arm_apply_result_size): New function.
2384         * arm.h (APPLY_RESULT_SIZE): Define.
2385         * arm-protos.h (arm_apply_result_size): Add prototype.
2386         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
2387         (movxf): New expand.
2388         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
2389         (call_value_symbol): Remove predicate for operand 0.
2390         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
2391         (untyped_call): Rework to correclty return values for any type.
2392         (untyped_return): New expand.
2393         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
2394
2395 2005-02-16  Stan Shebs  <shebs@apple.com>
2396
2397         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
2398         * config/rs6000/t-darwin8: New, for 64-bit multilib.
2399
2400 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
2401
2402         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
2403         configure settings on Solaris 7 and later.
2404
2405 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
2406
2407         PR tree-optimization/19865
2408         * tree-optimize.c (init_tree_optimization_passes): Run
2409         pass_may_alias after pass_sra.
2410
2411 2005-02-16  Richard Henderson  <rth@redhat.com>
2412             Stuart Hastings  <stuart@apple.com>
2413
2414         PR debug/19521
2415         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
2416         Do nothing if debug info suppressed for this function.
2417         (dbxout_begin_function): Early exit if debug info suppressed for
2418         this function.
2419
2420 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
2421
2422         PR target/20007
2423         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
2424         find_basic_blocks.
2425         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
2426
2427         PR tree-optimization/19967
2428         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
2429         expand_builtin_strchr, expand_builtin_strrchr): Take a new
2430         argument TYPE.  Adjust calls to fold_builtin_XXX.
2431         (expand_builtin, fold_builtin_1): Adjust calls to
2432         expand_builtin_XXX.
2433         (fold_builtin_strchr, fold_builtin_strpbrk,
2434         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
2435         result to a requested type TYPE.
2436
2437 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
2438
2439         PR middle-end/19857
2440         * fold-const.c (fold): Don't optimize (T)(x & cst) to
2441         (T)x & (T)cst if (T)cst overflows.
2442         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
2443         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
2444
2445 2005-02-15  Jeff Law  <law@redhat.com>
2446
2447         * gcse.c (blocks_with_calls): New bitmap.
2448         (alloc_gcse_mem): Allocate it.
2449         (free_gcse_mem): Free it.
2450         (clear_modifY_mem_tables): Clear it.
2451         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
2452         when we encounter CALL_INSNs.
2453         (compute_transp, case MEM): Handle blocks with calls separate
2454         from blocks without calls.  Use bitmap iterators rather than
2455         FOR_EACH_BB.
2456
2457 2005-02-15  Peter O'Gorman  <peter@pogma.com>
2458
2459         PR bootstrap/18810
2460         * mklibgcc.in (vis_hide): Use a temporary object file, not
2461         -o /dev/null.
2462
2463 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
2464
2465         PR target/19924
2466         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
2467         access optimization.
2468
2469 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
2470             Alan Modra  <amodra@bigpond.net.au>
2471
2472         PR target/19019
2473         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
2474         (_xlqsub): Rename to __gcc_qsub.
2475         (_xlqmul): Rename to __gcc_qmul.
2476         (_xlqdiv): Rename to __gcc_qdiv.
2477         Provide versioned symbol aliases with old names.
2478         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
2479         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
2480         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
2481         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
2482         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
2483
2484 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
2485
2486         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
2487         Fold ~(A - 1) and ~(A + -1) to -A.
2488
2489 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
2490
2491         PR pch/14940
2492         PR target/19300
2493         * config/host-linux.c (linux_gt_pch_use_address): Copy from
2494         config/pa/pa-host.c:pa_gt_pch_use_address.
2495
2496 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
2497
2498         * tree-vn.c (get_value_handle): Make sure that given an
2499         is_gimple_min_invariant expression, we always return it.
2500
2501 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
2502
2503         * passes.c (rest_of_handle_gcse): Fix a comment.
2504
2505 2005-02-15  Jeff Law  <law@redhat.com>
2506
2507         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
2508         bitmap.
2509         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
2510         (canon_list_insert, record_last_mem_set_info): Similarly.
2511         (clear_modify_mem_tables): Similarly.
2512
2513 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
2514
2515         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
2516         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
2517         config/mips/mips.md, config/rs6000/aix.h,
2518         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
2519
2520 2005-02-15  Richard Henderson  <rth@redhat.com>
2521
2522         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
2523         call to be best_edge.
2524
2525 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
2526
2527         * basic-block.h: Adjust the prototype for find_basic_blocks.
2528         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
2529         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
2530         find_basic_blocks.
2531
2532         * flow.c (recompute_reg_usage): Remove all arguments.
2533         * passes.c (rest_of_compilation): Adjust the call to
2534         recompute_reg_usage.
2535         * rtl.h: Adjust the prototype for recompute_reg_usage.
2536
2537 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
2538
2539         * tree-dump.c (dump_files): Update to reflect new member
2540         of dump_file_info.
2541         (dump_register): Add new argument.
2542         Set glob name.
2543         (dump_switch_p_1): Check against glob name if doglob was passed.
2544         (dump_switch_p): Check against regular first, then glob if
2545         we didn't have any hits on the dump name.
2546         * tree-optimize.c (register_one_dump_file):
2547         Pass in glob name as well.
2548         * tree-pass.h (struct dump_file_info): Add glob
2549         member.
2550
2551 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
2552
2553         PR preprocessor/16323
2554         * doc/invoke.texi: Document that -Wendif-labels is on by default.
2555
2556 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
2557
2558         PR target/19019
2559         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
2560         (trunctfdf2_internal1): New.
2561         (trunctfdf2_internal2): Renamed from trunctfdf2.
2562
2563 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
2564
2565         PR tree-optimization/19853
2566         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
2567
2568 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
2569
2570         * passes.c (rest_of_handle_loop_optimize): Remove calls to
2571         delete_dead_jumptables and cleanup_cfg.
2572
2573 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
2574
2575         * reload.c (find_reloads): Swap address_reloaded flags when
2576         swapping commutative operands.
2577
2578 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
2579
2580         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
2581         Use standard_iv_increment_position for computing the bsi position
2582         for create_iv.
2583         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
2584         the bsi position.
2585
2586 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
2587
2588         PR target/17428
2589         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
2590         life range of hard registers.
2591         * value-prof.c (insn_prefetch_values_to_profile): Only
2592         scan normal insns.
2593
2594         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
2595         profile in libcalls.
2596
2597 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
2598
2599         * bitmap.h (bitmap_and_compl_into): Return bool.
2600         * bitmap.c (bitmap_and_compl_into): Return changed flag.
2601
2602 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
2603
2604         PR tree-optimization/19944
2605         * fold-const.c (fold): Re-add ABS_EXPR folding.
2606
2607 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
2608
2609         PR target/19019
2610         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
2611         {TARGET,MASK}_XL_COMPAT.
2612         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
2613         MASK_XL_COMPAT.
2614         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
2615         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
2616         TARGET_XL_COMPAT.
2617         (rs6000_arg_partial_bytes): Same.
2618         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
2619         and XL compatibility enabled.
2620         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
2621         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
2622         test to final condition.
2623         (cmptf_internal2): New.
2624         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
2625         xl-compat.  Add TFmode information to description.
2626
2627 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
2628
2629         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
2630
2631 2005-02-13  Jason Merrill  <jason@redhat.com>
2632
2633         PR c++/16405
2634         * fold-const.c (fold_indirect_ref_1): Split out from...
2635         (build_fold_indirect_ref): Here.
2636         (fold_indirect_ref): New fn.
2637         * tree.h: Declare it.
2638         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
2639         (gimplify_modify_expr_rhs): Likewise.
2640         (gimplify_expr): Likewise.
2641
2642 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
2643
2644         PR tree-optimization/14303
2645         PR tree-optimization/15784
2646         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
2647         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
2648         ABS_EXPR<x> != 0 to x != 0.
2649
2650 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
2651
2652         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
2653         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
2654         spelling conventions.
2655
2656         * passes.c (rest_of_handle_gcse): Don't run cse_main and
2657         delete_trivially_dead_insns too many times.
2658
2659         * passes.c (rest_of_handle_gcse): Remove dead assignments to
2660         tem and tem2.
2661
2662 2005-02-12  Ira Rosen  <irar@il.ibm.com>
2663
2664         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
2665         (vect_is_simple_iv_evolution): Remove redundant parameter
2666         and step check.
2667         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
2668         without last parameter.
2669         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
2670         Return pointer step. Call vect_is_simple_iv_evolution without
2671         last parameter. Check only that the step is multiple of size
2672         type. Remove stmt_vinfo updates.
2673         (vect_get_memtag_and_dr): Remove.
2674         (vect_get_memtag): New function.
2675         (vect_address_analysis): New function.
2676         (vect_object_analysis): New function.
2677         (vect_analyze_data_refs): Call vect_object_analysis and
2678         vect_get_memtag. Update stmt_vinfo fields.
2679
2680 2005-02-12  Ira Rosen  <irar@il.ibm.com>
2681
2682         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
2683         exist and are objects. Remove checks for pointer.
2684         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
2685         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
2686         (vect_create_data_ref_ptr): Likewise.
2687         (vect_base_addr_differ_p): New function.
2688         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
2689         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
2690         Don't set the DR_BASE_NAME field of data-ref.
2691         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
2692
2693 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
2694
2695         * optabs.h (enum optab_index): Add new OTI_ldexp.
2696         (ldexp_optab): Define corresponding macro.
2697         * optabs.c (init_optabs): Initialize ldexp_optab.
2698         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
2699         patterns.
2700         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
2701         using ldexp_optab.
2702         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
2703         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
2704
2705         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
2706         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
2707         intrinsics.
2708
2709 2005-02-12  Ira Rosen  <irar@il.ibm.com>
2710
2711         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
2712         to base_address.
2713         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
2714         stmt_vec_info.
2715         (vect_get_base_and_offset): Always return an address.
2716         (vect_create_addr_base_for_vector_ref): Remove treatment for
2717         different data reference types.
2718         (vect_compute_data_ref_alignment): Rename base to base_address in
2719         stmt_vec_info. Get the object in order to force its alignment.
2720         (vect_get_memtag_and_dr): Rename base to base_address in
2721         stmt_vec_info. Extract the object for memtag analysis.
2722
2723 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
2724
2725         PR regression/19898.
2726         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
2727         changes cc_status, use apply modified_in_p to part of cc_status
2728         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
2729         body.
2730
2731 2005-02-11  Richard Henderson  <rth@redhat.com>
2732
2733         * tree-complex.c (expand_complex_libcall): New.
2734         (expand_complex_multiplication): Use it for c99 compliance.
2735         (expand_complex_division): Likewise.
2736         * fold-const.c (fold_complex_add, fold_complex_mult): New.
2737         (fold): Call them.
2738         * builtins.c (built_in_names): Remove const.
2739         * tree.c (build_common_builtin_nodes): Build complex arithmetic
2740         builtins.
2741         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
2742         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
2743         (built_in_names): Remove const.
2744         * c-common.c (c_common_type_for_mode): Handle complex modes.
2745         * flags.h, toplev.c (flag_complex_method): Rename from
2746         flag_complex_divide_method.
2747         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
2748         __mulsc3, __muldc3, __mulxc3, __multc3): New.
2749         * libgcc2.h: Declare them.
2750         * libgcc-std.ver: Export them.
2751         * mklibgcc.in (lib2funcs): Build them.
2752
2753 2005-02-11  Steven Bosscher  <stevenb@suse.de>
2754
2755         PR tree-optimization/19876
2756         Partially revert my change from 2005-01-14
2757         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
2758         (compute_antic): ...and remove the loop here.
2759
2760 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
2761
2762         PR middle-end/19858
2763         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
2764         is number of inner's bits, avoid creating a BIT_FIELD_REF.
2765
2766         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
2767         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
2768
2769 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
2770
2771         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
2772         offsets for the big-endian 32-bit case.
2773
2774 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
2775
2776         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
2777
2778 2005-02-11  Dale Johannesen  <dalej@apple.com>
2779
2780         * cselib.c (cselib_process_insn):  Clear out regs where
2781         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
2782         * reload.c (find_equiv_reg): Ditto.
2783
2784 2005-02-11  Ian Lance Taylor  <ian@airs.com>
2785
2786         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
2787         with no elements.
2788
2789         * tree.c (build_function_type_list): Work correctly if there are
2790         no arguments.
2791
2792 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
2793
2794         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
2795         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
2796         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
2797         TARGET_ZARCH instead of TARGET_64BIT.
2798
2799 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
2800
2801         * config/rs6000/t-rtems:
2802         (MULTILIB_OPTIONS): Remove mcpu=602.
2803         (MUTLILIB_DIRNAMES): Remove m602.
2804         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
2805         Let mcpu=602 match mcpu=603.
2806         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
2807
2808 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2809
2810         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
2811         signal trampolines.
2812
2813 2005-02-10  David Daney  <ddaney@avtrex.com>
2814
2815         * config/alpha/linux-unwind.h: Add exception clause to copyright.
2816         * config/i386/linux-unwind.h: Likewise.
2817         * config/ia64/linux-unwind.h: Likewise.
2818         * config/mips/linux-unwind.h: Likewise.
2819         * config/pa/linux-unwind.h: Likewise.
2820         * config/rs6000/linux-unwind.h: Likewise.
2821         * config/s390/linux-unwind.h: Likewise.
2822         * config/sh/linux-unwind.h: Likewise.
2823         * config/sparc/linux-unwind.h: Likewise.
2824
2825 2005-02-10  Steven Bosscher  <stevenb@suse.de>
2826
2827         PR tree-optimization/17549
2828         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
2829         TER to replace a DEF with its expression if the DEF and the
2830         rhs of the expression we replace into have the same root
2831         variable.
2832
2833 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
2834
2835         * config/mips/mips.md: Fix the placement of the match_scratch in the
2836         lea64 peephole2.
2837
2838 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
2839
2840         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
2841         Fix comment typos.
2842
2843 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
2844
2845         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
2846         (strip_offset): Handle addresses.
2847         (add_address_candidates): Use strip_offset.
2848         (difference_cost): Reflect strip_offset change.
2849         (force_var_cost, difference_cost): Strip nops.
2850
2851 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
2852
2853         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
2854
2855         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
2856         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
2857         config/cris/cris-protos.h, config/cris/cris.c: Update
2858         copyright.
2859
2860 2005-02-10  Jeff Law  <law@redhat.com>
2861
2862         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
2863         (lookup_avail_expr): Similarly.
2864
2865 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
2866
2867         * builtins.c (fold_builtin_powi): New function.
2868         (fold_builtin_1): Call it.
2869
2870 2005-02-10  Steven Bosscher  <stevenb@suse.de>
2871
2872         PR documentation/19309
2873         * doc/cpp.texi: The __GNUC__ and related predefined macros
2874         are also defined for the "standalone" cpp.
2875         Some non-GCC compilers may also define __GNUC__.
2876
2877 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
2878
2879         PR c/19342
2880         * c-typeck.c (common_type): New routine.  Old common_type renamed
2881         to...
2882         (c_common_type): ...this.
2883         (build_conditional_expr, build_binary_op): Use c_common_type instead
2884         of common_type.
2885
2886 2005-02-10  Steven Bosscher  <stevenb@suse.de>
2887
2888         * doc/md.texi: Replace @samp{length} with @code{length}.
2889
2890 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
2891
2892         PR tree-optimization/18687
2893         * tree-flow.h (find_loop_niter): Declare.
2894         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
2895         Try using scev even for loops with more than one exit.
2896         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
2897         (struct ivopts_data): Added niters field.
2898         (struct nfe_cache_elt): New.
2899         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
2900         functions.
2901         (tree_ssa_iv_optimize_init): Initialize niters cache.
2902         (determine_number_of_iterations): Removed.
2903         (find_induction_variables): Do not call determine_number_of_iterations.
2904         Access niters for single exit through niter_for_single_dom_exit.
2905         (add_iv_outer_candidates): Access niters for single exit through
2906         niter_for_single_dom_exit.
2907         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
2908         number_of_iterations_cond.
2909         (iv_period): New function.
2910         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
2911         (may_replace_final_value): Take data argument.  Use
2912         niter_for_single_dom_exit.
2913         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
2914         (rewrite_use_compare): Pass data to may_eliminate_iv.
2915         (rewrite_use_outer): Pass data to may_replace_final_value.
2916         (free_loop_data): Clean up the niters cache.
2917         (tree_ssa_iv_optimize_finalize): Free the niters cache.
2918         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
2919         * tree-ssa-loop-niter.c (find_loop_niter): New function.
2920         (find_loop_niter_by_eval): Use tree_int_cst_lt.
2921         (num_ending_zeros): Moved to tree.c.
2922         * tree.h (num_ending_zeros): Declare.
2923         * tree.c (num_ending_zeros): Moved from tree.c.
2924
2925 2005-02-09  Richard Henderson  <rth@redhat.com>
2926
2927         * builtins.c (DEF_BUILTIN): Add COND argument.
2928         * tree.h (DEF_BUILTIN): Likewise.
2929         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
2930         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
2931         match.
2932         (DEF_BUILTIN_STUB): New.
2933         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
2934         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
2935         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
2936         * c-common.c (DEF_BUILTIN): Add COND argument.
2937         * tree.c (local_define_builtin): New.
2938         (build_common_builtin_nodes): New.
2939
2940 2005-02-09  Roger Sayle  <roger@eyesopen.com>
2941
2942         * fold-const.c (fold_strip_sign_ops): New function to simplify a
2943         floating point expression ignoring the sign of the result.
2944         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
2945         (fold) <MULT_EXPR>: Use it to simplify x*x.
2946         * tree.h (fold_strip_sign_ops): Prototype here.
2947         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
2948         argument.  Use fold_strip_sign_ops to simplify the first argument.
2949         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
2950         first argument when the second argument is an even integer
2951         constant, but only with -funsafe_math_optimizations.
2952         (fold_builtin_1): Update call to fold_builtin_copysign.
2953
2954 2005-02-09  Ian Lance Taylor  <ian@airs.com>
2955
2956         PR middle-end/19583
2957         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
2958         just check whether EH_FILTER_FAILURE falls through.
2959
2960 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
2961
2962         * gcc/haifa-sched.c (schedule_block): Make queued sched group
2963         insns return to ready list in the next turn.
2964
2965 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
2966
2967         PR middle-end/19402
2968         * builtins.def: New __builtin_powi[lf].
2969         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
2970         (expand_builtin_powi): New function.
2971         (expand_builtin): Dispatch to expand_builtin_powi.
2972         * libgcc2.h: Add prototypes for __builtin_powi[lf].
2973         * libgcc2.c: Add __builtin_powi[lf] implementation.
2974         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
2975         * optabs.h: Add powi_optab.
2976         * optabs.c (init_optabs): Initialize powi_optab.
2977         * doc/extend.texi: Document __builtin_powi[lf].
2978
2979 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
2980
2981         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
2982         exists.
2983
2984 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
2985
2986         PR middle-end/19854
2987         * fold-const.c (try_move_mult_to_index): Remove redundant
2988         type argument.  Create ADDR_EXPR with correct type.
2989         (fold): Update callers of try_move_mult_to_index.  Convert
2990         result to the appropriate type.
2991
2992 2005-02-09  Roger Sayle  <roger@eyesopen.com>
2993
2994         PR target/19597
2995         * config/avr/avr.c (default_rtx_costs): Delete.
2996         (avr_operand_rtx_cost): New function.
2997         (avr_rtx_costs): Completely rewrite.
2998
2999 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
3000
3001         PR target/19806
3002         * config/cris/cris.c (in_code): New variable.
3003         (cris_output_addr_const): Now a static function, a wrapper for
3004         output_addr_const.
3005         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
3006         case from old cris_output_addr_const.
3007         (cris_asm_output_label_ref): Similar for LABEL_REF.
3008         (cris_output_addr_const_extra): Similar for UNSPEC.
3009         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
3010         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
3011         * config/cris/cris-protos.h (cris_output_addr_const): Remove
3012         declaration.
3013         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
3014         (cris_asm_output_label_ref): Declare.
3015
3016 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
3017
3018         PR preprocessor/19801
3019         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
3020         filenames that changed when libcpp was moved to the toplevel.
3021
3022 2005-02-07  Roger Sayle  <roger@eyesopen.com>
3023
3024         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
3025         zero extensions of BImode operands.  Call lowpart_subreg instead
3026         of gen_lowpart_common and gen_lowpart_SUBREG.
3027
3028 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
3029
3030         PR ada/19489
3031         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
3032         * configure.ac: Set cc_for_cross_gnattools.
3033         * configure: Regenerate.
3034
3035 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
3036
3037         PR target/19803
3038         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
3039
3040 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
3041
3042         PR debug/19327
3043         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
3044         of nested functions.
3045
3046 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
3047
3048         * doc/extend.texi: Document deprecated extensions allowing
3049         static floating-point members to have initializers and allowing
3050         floating-point literals in integral constant expressions.
3051
3052 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
3053
3054         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
3055         config/darwin7.h, config/mips/mips.c,
3056         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
3057         Update copyright.
3058
3059         * cse.c: Update comments.
3060
3061 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
3062
3063         PR middle-end/19775
3064         * builtins.c (fold_builtin_sqrt): Transform
3065         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
3066         pow(x,y*0.5).
3067
3068 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
3069             Dorit Naishlos  <dorit@il.ibm.com>
3070
3071         * doc/invoke.texi (ftree-vectorizer-verbose): New.
3072         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
3073         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
3074         was added.
3075         * tree.h (vect_set_verbosity_level): New extern function declaration
3076         added.
3077         * tree-vectorizer.h (verbosity_levels): New enum type.
3078         * tree-vectorizer.c (vect_debug_stats): Function removed.
3079         (vect_debug_details): Likewise.
3080         (vect_verbosity_level): Global variable was defined and initialized.
3081         (vect_dump): Global variable definition.
3082         (vect_print_dump_info): New function.
3083         (vect_set_dump_settings): New function.
3084         (vect_set_verbosity_level): New function.
3085         (vectorize_loops): Add call to vect_set_dump_settings.
3086
3087         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
3088         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
3089         (slpeel_tree_peel_loop_to_edge): Likewise.
3090
3091         (vect_analyze_offset_expr): Call to vect_print_dump_info with
3092         appropriate verbosity level instead of call to vect_debug_details
3093         or vect_debug_stats.
3094         (vect_get_base_and_offset):
3095         (vect_create_addr_base_for_vector_ref):
3096         (get_vectype_for_scalar_type):
3097         (vect_create_data_ref_ptr):
3098         (vect_init_vector):
3099         (vect_get_vec_def_for_operand):
3100         (vect_finish_stmt_generation):
3101         (vectorizable_assignment):
3102         (vectorizable_operation):
3103         (vectorizable_store):
3104         (vectorizable_load):
3105         (vect_transform_stmt):
3106         (vect_update_ivs_after_vectorizer):
3107         (vect_do_peeling_for_loop_bound):
3108         (vect_update_inits_of_drs):
3109         (vect_do_peeling_for_alignment):
3110         (vect_transform_loop):
3111         (vect_is_simple_use):
3112         (vect_analyze_operations):
3113         (vect_is_simple_iv_evolution):
3114         (vect_analyze_scalar_cycles):
3115         (vect_analyze_data_ref_dependence):
3116         (vect_analyze_data_ref_dependences):
3117         (vect_compute_data_ref_alignment):
3118         (vect_enhance_data_refs_alignment):
3119         (vect_analyze_data_refs_alignment):
3120         (vect_analyze_data_ref_access):
3121         (vect_analyze_data_ref_accesses):
3122         (vect_analyze_pointer_ref_access):
3123         (vect_get_memtag_and_dr):
3124         (vect_analyze_data_refs):
3125         (vect_mark_relevant):
3126         (vect_stmt_relevant_p):
3127         (vect_mark_stmts_to_be_vectorized):
3128         (vect_can_advance_ivs_p):
3129         (vect_get_loop_niters):
3130         (vect_analyze_loop_form):
3131         (vect_analyze_loop):
3132         (vectorize_loops): Likewise.
3133
3134         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
3135         (vect_update_inits_of_drs):
3136         (vect_do_peeling_for_alignment):
3137         (vect_transform_loop):
3138         (vect_analyze_operations):
3139         (vect_analyze_scalar_cycles):
3140         (vect_analyze_data_ref_dependences):
3141         (vect_analyze_data_refs_alignment):
3142         (vect_analyze_data_ref_accesses):
3143         (vect_analyze_data_refs):
3144         (vect_mark_stmts_to_be_vectorized):
3145         (vect_get_loop_niters):
3146         (vect_analyze_loop_form):
3147         (vect_analyze_loop): Likewise.
3148         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
3149
3150 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
3151
3152         PR bootstrap/19796
3153         Revert:
3154         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
3155         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
3156         either -ffast-math or -funsafe-math-optimizations is in use.
3157
3158         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
3159         * config/mips/irix-csr.c: New file.
3160         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
3161         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
3162         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
3163         executables.
3164
3165 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
3166
3167         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
3168         redundant, incorrect definitions.
3169
3170         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
3171         expand.
3172         ("*tls_indirect_call"): New, reference hard regs directly.
3173         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
3174
3175 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
3176
3177         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
3178         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
3179
3180 2005-02-06  Roger Sayle  <roger@eyesopen.com>
3181
3182         PR rtl-optimization/19800
3183         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
3184         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
3185         gen_lowpart.
3186
3187 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
3188
3189         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
3190
3191 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
3192
3193         PR other/17135
3194         * doc/invoke.texi: Correct documentation of -freorder-functions.
3195
3196 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
3197
3198         PR other/14402
3199         * doc/invoke.texi: Don't mention gccbug.
3200
3201 2005-02-06  Roger Sayle  <roger@eyesopen.com>
3202             Andrew Pinski  <pinskia@physics.uc.edu>
3203             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
3204
3205         * simplify-rtx.c (simplify_relational_operation_1): Simplify
3206         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
3207         into just (zero_extract:SI FOO (const_int 1) BAR).
3208
3209 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
3210
3211         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
3212         macro locally.  Don't give last revision date.  Use GCC version
3213         number from gcc-common.texi.
3214         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
3215         revision date.  Use GCC version number from gcc-common.texi.
3216         Describe being a library as current state rather than as 3.x
3217         history.
3218         * doc/gcc.texi: Remove last update date.
3219         * doc/gccint.texi: Likewise.  Update copyright dates.
3220         * doc/install.texi: Update copyright dates.
3221
3222 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
3223
3224         PR other/7549
3225         * doc/invoke.texi: Mention for each option included in -Wall that
3226         it is included in -Wall.
3227         * doc/gcc.texi: Update copyright and last modification date.
3228
3229 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
3230
3231         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
3232         unnecessary cast to original induction variable increments.
3233
3234 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
3235
3236         PR tree-optimization/18219
3237         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
3238         in distributed form.
3239
3240 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
3241
3242         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
3243         Set bitpos and offset later in the function.  Do nothing if the
3244         target is a register and if the bitfield lies completely outside
3245         that register.
3246         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
3247         here.  Return an uninitialised register if the source value is stored
3248         in a register and the bitfield lies completely outside that register.
3249
3250 2005-02-06  Steven Bosscher  <stevenb@suse.de>
3251
3252         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
3253         not SET_DEST.
3254
3255 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
3256
3257         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
3258
3259 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
3260
3261         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
3262         * config/darwin8.h: New.
3263         * config/darwin7.h: Update comment.
3264
3265 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
3266             Dorit Naishlos  <dorit@il.ibm.com>
3267
3268         * tree-vectorizer.h (LOC): New type.
3269         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
3270         (loop_line_number): New field in struct _loop_vec_info.
3271         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
3272
3273         * tree-vectorizer.c (input.h): Included.
3274         (find_loop_location): New function.
3275         (vect_debug_stats): Argument changed from loop to LOC. Computation of
3276         loop line number removed.
3277         (vect_debug_details): Likewise.
3278         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
3279
3280         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
3281         call to vect_debug_details/stats changed from loop to loop_loc.
3282         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
3283         (slpeel_tree_peel_loop_to_edge): Likewise.
3284
3285         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
3286         changed from NULL to UNKNOWN_LOC.
3287         (vect_get_base_and_offset):
3288         (vect_create_addr_base_for_vector_ref):
3289         (get_vectype_for_scalar_type):
3290         (vect_create_data_ref_ptr):
3291         (vect_init_vector):
3292         (vect_get_vec_def_for_operand):
3293         (vect_finish_stmt_generation):
3294         (vectorizable_assignment):
3295         (vectorizable_operation):
3296         (vectorizable_store):
3297         (vectorizable_load):
3298         (vect_transform_stmt):
3299         (vect_update_ivs_after_vectorizer):
3300         (vect_do_peeling_for_loop_bound):
3301         (vect_do_peeling_for_alignment):
3302         (vect_transform_loop):
3303         (vect_is_simple_use):
3304         (vect_analyze_operations):
3305         (vect_is_simple_iv_evolution):
3306         (vect_analyze_scalar_cycles):
3307         (vect_analyze_data_ref_dependences):
3308         (vect_compute_data_ref_alignment):
3309         (vect_enhance_data_refs_alignment):
3310         (vect_analyze_data_ref_access):
3311         (vect_analyze_data_ref_accesses):
3312         (vect_analyze_pointer_ref_access):
3313         (vect_get_memtag_and_dr):
3314         (vect_analyze_data_refs):
3315         (vect_mark_relevant):
3316         (vect_stmt_relevant_p):
3317         (vect_mark_stmts_to_be_vectorized):
3318         (vect_can_advance_ivs_p):
3319         (vect_get_loop_niters):
3320         (vect_analyze_loop):
3321         (vectorize_loops): Likewise.
3322
3323         (vectorizable_load): Argument in call to vect_debug_details/stats
3324         changed from loop to LOOP_LOC (loop_vinfo).
3325         (vect_transform_loop):
3326         (vect_analyze_operations):
3327         (vect_analyze_scalar_cycles):
3328         (vect_analyze_data_ref_dependence):
3329         (vect_enhance_data_refs_alignment):
3330         (vect_analyze_data_ref_accesses):
3331         (vect_analyze_pointer_ref_access):
3332         (vect_analyze_data_refs):
3333         (vect_analyze_loop): Likewise.
3334
3335         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
3336         changed from loop to loop_loc.
3337
3338         (vect_enhance_data_refs_alignment): Removed unused variable loop.
3339
3340 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
3341             Dorit Naishlos  <dorit@il.ibm.com>
3342
3343         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
3344         declaration added.
3345         (vect_analyze_data_ref_dependences): Likewise.
3346
3347         (vect_is_simple_use): Argument changed from loop structure to
3348         loop_vect_info structure.
3349         (vect_can_advance_ivs_p): Likewise.
3350         (vect_create_index_for_vector_ref): Likewise.
3351         (vect_update_ivs_after_vectorizer): Likewise.
3352         (new_stmt_vec_info): Likewise.
3353
3354         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
3355         changed from loop to loop_vinfo.
3356         (vect_create_data_ref_ptr): First argument in call to
3357         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
3358         (vectorizable_assignment): Second argument in call to vect_is_simple_use
3359         was changed from loop to loop_vinfo.
3360         (vectorizable_operation): Likewise.
3361         (vectorizable_store): Likewise.
3362         (vect_mark_stmts_to_be_vectorized): Likewise.
3363         (vect_do_peeling_for_loop_bound): First argument in call to
3364         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
3365         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
3366         was changed from loop to loop_vinfo.
3367         (vect_analyze_data_ref_dependences): Third argument in call to
3368         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
3369
3370         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
3371         (vect_create_data_ref_ptr): Likewise.
3372         (vect_init_vector): Likewise.
3373         (vect_get_vec_def_for_operand): Likewise.
3374         (vectorizable_assignment): Likewise.
3375         (vectorizable_operation): Likewise.
3376         (vectorizable_store): Likewise.
3377         (vectorizable_load): Likewise.
3378         (vect_update_ivs_after_vectorizer): Likewise.
3379         (vect_is_simple_use): Likewise.
3380         (vect_analyze_data_ref_dependence): Likewise.
3381         (vect_analyze_pointer_ref_access): Likewise.
3382         (vect_can_advance_ivs_p): Likewise.
3383
3384         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
3385         before _stmt_vec_info.
3386         (_stmt_vec_info): Loop field replaced by loop_vec_info.
3387         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
3388         (new_stmt_vec_info): Argument changed from loop structure to
3389         loop_vect_info structure
3390
3391         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
3392         (vect_analyze_offset_expr): Avoid 80 columns overflow.
3393         (vect_create_addr_base_for_vector_ref): Likewise.
3394         (vect_analyze_pointer_ref_access): Likewise.
3395
3396 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
3397
3398         PR tree-opt/19768
3399         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
3400         phi flag if the phi is abnormal.
3401
3402 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
3403
3404         PR tree-opt/19736
3405         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
3406         information for the new statement.
3407
3408 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
3409
3410         PR driver/19117
3411         * gcc.c (main): Include the target in -v output.
3412
3413 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
3414
3415         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
3416         Do not drop the extend if we'd have to add a paradoxical subreg
3417         later.  Include optabs.h and insn-codes.h.
3418         * Makefile.in (combine.o): Depend on $(OPTABS_H).
3419
3420 2005-02-02  Roger Sayle  <roger@eyesopen.com>
3421
3422         PR middle-end/19405
3423         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
3424         * fold-const.c (const_binop): Avoid constant folding floating
3425         point operations in modes that use composite representations.
3426         * simplify-rtx.c (simplify_binary_operation): Likewise.
3427
3428 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
3429
3430         * config/rs6000/altivec.md (altivec_dst): Make the first operand
3431         a REG, not a MEM.
3432         (altivec_dstt): Likewise.
3433         (altivec_dstst): Likewise.
3434         (altivec_dststt): Likewise.
3435         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
3436         of first operand.
3437
3438 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
3439
3440         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
3441         EXPR_LOCUS from orig_cond to the new cond_stmt.
3442         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
3443         the new vec_stmt.
3444
3445 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
3446
3447         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
3448         standard_iv_increment_position. Remove call to bsi_next
3449         (no need to bump the iterator anymore).
3450         (vect_create_index_for_vector_ref): Call
3451         standard_iv_increment_position. Remove second function argument.
3452         (vect_finish_stmt_generation): Remove call to bsi_next
3453         (no need to bump the iterator anymore).
3454         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
3455         to vect_create_index_for_vector_ref.
3456
3457 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
3458
3459         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
3460         phis are used out of the loop.
3461
3462 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
3463
3464         PR c/17807
3465         * c-decl.c (undef_nested_function): New variable.
3466         (pop_scope): Diagnose undefined nested functions.
3467         (finish_function): Don't attempt cgraph processing or genericizing
3468         if current top-level function contained an undefined nested
3469         function.  Reset undef_nested_function at the end of a top-level
3470         function.
3471
3472 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
3473
3474         * tree.c (build_int_cst_type): Take sign of the value into account
3475         when deciding whether sign extend the value.
3476
3477 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
3478
3479         PR c/18502
3480         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
3481         (cpp_options, cc1_options): Change %{std*&ansi} to
3482         %{std*&ansi&trigraphs}.
3483
3484 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
3485
3486         * cse.c: Update comments.
3487
3488 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
3489
3490         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
3491         arguments go on the stack.  Do not put complex doubles in odd/even
3492         pairs.
3493
3494 2005-02-02  Steven Bosscher  <stevenb@suse.de>
3495
3496         * doc/invoke.texi: Update the options enabled at -O1, -O2,
3497         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
3498         -ftree-pre, and -fthread-jumps.
3499
3500 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
3501
3502         PR tree-optimization/19578
3503         * tree-flow.h (modified_noreturn_calls): Declare.
3504         (noreturn_call_p): Declare.
3505         * tree-flow-inline.h (noreturn_call_p): New function.
3506         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
3507         * tree-cfg.c (modified_noreturn_calls): New variable.
3508         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
3509         that contain a mid-block noreturn call.
3510         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
3511
3512 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
3513
3514         * df.c (df_def_record_1, df_uses_record): Don't use
3515         DF_FOR_REGALLOC.
3516         * df.h (DF_FOR_REGALLOC): Remove.
3517
3518 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
3519
3520         PR c/19435
3521         * c-typeck.c (really_start_incremental_init): Reset
3522         constructor_max_index for arrays of incomplete type.
3523
3524 2005-02-02  Jeff Law  <law@redhat.com>
3525
3526         * gcse.c (struct reg_set): Store the block index where the register
3527         was set rather than the setting insn.
3528         (record_one_set, compute_transp): Corresponding changes.
3529         (pre_insert_copy_insn): Do not call replace_one_set.
3530         (replace_one_set): Remove.
3531
3532 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
3533
3534         PR other/15514
3535         * doc/gcov.texi: Fix typo.
3536
3537 2005-02-01  Richard Henderson  <rth@redhat.com
3538
3539         PR target/19680
3540         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
3541         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
3542         type to bool.
3543         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
3544         * config/i386/i386-protos.h: Update.
3545
3546 2005-02-01  Steven Bosscher  <stevenb@suse.de>
3547
3548         PR tree-optimization/19217
3549         * tree-cfg.c (verify_expr): Use the data field to see if TP was
3550         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
3551         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
3552         that it is walking a PHI node.
3553
3554 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
3555
3556         * doc/extend.texi (Nested Functions): Update.
3557
3558 2005-02-01  Richard Henderson  <rth@redhat.com>
3559
3560         PR 19696
3561         * optabs.c (expand_copysign_absneg): Export.
3562         * optabs.h (expand_copysign_absneg): Declare.
3563         * config/rs6000/rs6000.md (copysigntf3): New.
3564
3565 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
3566
3567         PR tree-optimization/19633
3568         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
3569         * tree-ssa-alias.c (init_alias_info): Initialize.
3570         (merge_pointed_to_info): Set.
3571         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
3572         (dump_points_to_info_for): Show value of pt_null.
3573         (struct count_ptr_d): Declare.
3574         (find_ptr_dereference): Remove.
3575         (ptr_is_dereferenced_by): Remove.
3576         (count_ptr_derefs): New local function.
3577         (count_uses_and_derefs): New local function.
3578         (compute_points_to_and_addr_escape): Call it.  If the number
3579         of dereferences is greater than zero, mark the pointer as
3580         dereferenced.  If there are fewer dereferences than uses of
3581         the pointer, the pointer's value escapes.
3582
3583 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
3584
3585         PR tree-optimization/19670
3586         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
3587         here...
3588         (verify_use): ... set it here, instead.
3589
3590 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
3591
3592         * doc/sourcebuild.texi (Test directives): Fix formatting.
3593
3594         * doc/sourcebuild.texi (Test directives): Describe selector
3595         expressions.
3596
3597 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
3598
3599         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
3600         specific 64-bit CPUs.
3601
3602 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
3603
3604         PR target/16201
3605         * arm.c (arm_eliminable_register): New function.
3606         (adjacent_mem_locations): Don't allow eliminable registers.  Use
3607         HOST_WIDE_INT for address offsets.
3608         * arm-protos.h (arm_eliminable_register): Add prototype.
3609
3610 2005-02-01  Steven Bosscher  <stevenb@suse.de>
3611
3612         PR optimization/15242
3613         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
3614         * basic-block.h (duplicate_computed_gotos): Add prototype.
3615         * bb-reorder.c (duplicate_computed_gotos): New function to
3616         duplicate sufficiently small blocks ending in a computed jump.
3617         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
3618         if not optimizing for size.
3619         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
3620         never do tail merging for blocks ending in a computed jump.
3621         * doc/invoke.texi: Document the max-goto-duplication-insns param.
3622
3623 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
3624
3625         Patch from Richard Sandiford <rsandifo@redhat.com>
3626         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
3627         from inheriting a subreg equivalence with a non-spill register.
3628
3629         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
3630
3631 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
3632
3633         * config/frv/frv.c (movcc_fp_destination_operand): New.
3634         (gpr_or_memory_operand): Fix typo in comment.
3635         (gpr_or_memory_operand_with_scratch): New.
3636         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
3637         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
3638         movcc_fp_destination_operand.
3639         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
3640         Legitimize memory addresses using a scratch register.
3641
3642 2005-01-31  Jeff Law  <law@redhat.com>
3643
3644         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
3645         bitmap a sparse bitmap instead of a simple bitmap.
3646         (mark_def_sites_initialize_block):  Corresponding changes.
3647         (ssa_mark_def_sites_initialize_block): Likewise.
3648         (ssa_mark_phi_uses): Likewise.
3649         (mark_def_site, ssa_mark_def_sites): Likewise.
3650         (mark_def_site_blocks): Likewise.
3651         (rewrite_ssa_into_ssa): Likewise.
3652
3653         * tree-ssa-dom.c (record_cond): Pass correct variable type
3654         for last argument to htab_find_slot_with_hash.
3655
3656         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
3657         effects when optimizing 0 % X.  Do not try to optimize X % 0.
3658
3659 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
3660
3661         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
3662         1_mmalua.
3663
3664 2005-02-01  Eric Christopher  <echristo@redhat.com>
3665
3666         * config/mips/mips.c (override_options): Warn if -mint64
3667         is used.
3668         * doc/invoke.texi (MIPS Options): Document that -mint64 is
3669         deprecated.
3670
3671 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
3672
3673         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
3674         timestamp.
3675         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
3676         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
3677         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
3678         (cached_regno): Initialize to INVALID_REGNUM.
3679         (cse_reg_info_table_size,
3680         cse_reg_info_table_first_uninitialized,
3681         cse_reg_info_timestamp): New.
3682         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
3683         get_cse_reg_info.
3684         (init_cse_reg_info, get_cse_reg_info_1): New.
3685         (get_cse_reg_info): Cache the last look-up.
3686         (new_basic_block): Update the code to clear mappings from
3687         registers to cse_reg_info entries.
3688         (cse_main): Call init_cse_reg_info.
3689
3690         * cse.c (get_cse_reg_info): Update a comment.
3691
3692 2005-01-31  Steven Bosscher  <stevenb@suse.de>
3693
3694         PR c/19333
3695         * c-decl.c (start_decl): Do not warn about arrays of elements with
3696         an incomplete type here.
3697         (grokdeclarator): Do it here by making a pedwarn an error.
3698         * c-typeck.c (push_init_level): If there were previous errors with
3699         the constructor type, do not warn about braces for initializers.
3700         (process_init_element): Likewise for excess initializer elements.
3701
3702 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
3703
3704         * cse.c (delete_trivially_dead_insn): Don't iterate.
3705
3706 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
3707
3708         * config/rs6000/rs6000.md (copysignsf3): New expand.
3709         (copysigndf3): Likewise.
3710
3711 2005-01-31  Steven Bosscher  <stevenb@suse.de>
3712
3713         * recog.c (constrain_operands): Only look for earlyclobber operand
3714         conflicts if an '&' constraint was seen.
3715
3716 2005-01-31  Marc Espie <espie@openbsd.org>
3717
3718         * config.gcc: Don't include embedded systems fragment, switches default
3719         debugging format to ELF.
3720         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
3721         longer pick it up there.
3722
3723 2005-01-31  Dale Johannesen  <dalej@apple.com>
3724
3725         * doc/extend.texi (nested functions): Fix linkage description.
3726         Clarify that static is not allowed.
3727
3728 2005-01-31  Dale Johannesen  <dalej@apple.com>
3729
3730         * config/rs6000/darwin.md (movsf_low_di):  Make work.
3731         (movdf_low_di):  Make work.
3732
3733 2005-01-31  Dale Johannesen  <dalej@apple.com>
3734
3735         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
3736         Make work for 64 bit.
3737
3738 2005-01-31  Roger Sayle  <roger@eyesopen.com>
3739             Dale Johannesen  <dalej@apple.com>
3740
3741         PR middle-end/19650
3742         * fold-const.c (fold_binary_op_with_conditional_arg):
3743         Make types match original operands, before STRIP_NOPS.
3744
3745 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
3746
3747         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
3748         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
3749         (struct gcc_sigcontext): Delete.  Merge contents to..
3750         (struct gcc_ucontext): ..here.
3751         (get_sigcontext): Delete.
3752         (get_regs): New function, like get_sigcontext but return regs ptr.
3753         64-bit version finds regs from r1 to support vdso.
3754         (ppc_linux_aux_vector): New function.
3755         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
3756         and vector regs.
3757
3758 2005-01-31  Ira Rosen  <irar@il.ibm.com>
3759
3760         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
3761         sizetype.
3762         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
3763         redundant fold. Fix misalignment for MINUS_EXPR.
3764         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
3765         (vect_analyze_pointer_ref_access): Likewise.
3766         (vect_get_memtag_and_dr): Likewise.
3767
3768 2005-01-31  Richard Henderson  <rth@redhat.com>
3769
3770         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
3771         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
3772         absnegdf2_i387, absnegxf2_i387): Likewise.
3773
3774 2005-01-31  Richard Henderson  <rth@redhat.com>
3775
3776         PR 19696
3777         * optabs.c (expand_copysign_absneg): New.
3778         (expand_copysign_bit): Split out from ...
3779         (expand_copysign): ... here.  Use expand_copysign_absneg.
3780
3781 2005-01-30  Roger Sayle  <roger@eyesopen.com>
3782
3783         PR middle-end/19697
3784         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
3785         constant as the second operand and a register as the third.
3786
3787 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
3788
3789         PR target/19704
3790         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
3791         that dllimport'd functions do not use all call-clobbered registers
3792         to pass parameters.
3793
3794 2005-01-30  Richard Henderson  <rth@redhat.com>
3795
3796         PR 19696
3797         * optabs.c (expand_absneg_bit): Split out from expand_unop and
3798         expand_abs_nojump and generalize.  Use operand_subword and
3799         emit_no_conflict_block.  Support large modes.
3800         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
3801         back to maximum.
3802         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
3803         negation to subtraction.
3804         (expand_copysign): Check that the format has signed zeros.
3805         Use operand_subword and emit_no_conflict_block.  Support large modes.
3806
3807 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
3808
3809         Fix PR tree-optimization/19624
3810
3811         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
3812         * tree-ssa-pre.c: Add cfgloop.h.
3813         Update comment.
3814         (pre_stats): New member, constified.
3815         (inserted_exprs): New static variable.
3816         (NECESSARY): New macro.
3817         (create_expression_by_pieces): Fold the expression, and
3818         mark it as defaulting to not necessary. Also put in
3819         inserted_exprs.
3820         (fully_constant_expression): New function.
3821         (insert_into_preds_of_block): Modify to not insert phis when we
3822         are playing with induction variables.
3823         Push phis onto the inserted_exprs vector, and mark them as not
3824         necessary by default.
3825         (insert_aux): Call fully_constant_expression on eprime.
3826         If all edges produce the same value, mark it constant.
3827         (mark_operand_necessary): New function.
3828         (remove_dead_inserted_code): New function.
3829         (init_pre): Init loop optimizer to get loop info.
3830         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
3831         (execute_pre): Commit edge inserts, then remove dead code.
3832
3833 2005-01-30  Richard Henderson  <rth@redhat.com>
3834
3835         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
3836         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
3837
3838 2005-01-30  Richard Henderson  <rth@redhat.com>
3839
3840         PR target/19700
3841         * config/i386/i386.c (ix86_expand_copysign): New.
3842         (ix86_split_copysign_const): New.
3843         (ix86_split_copysign_var): Rename from ix86_split_copysign,
3844         rearrange op1/nmask operands.
3845         * config/i386/i386-protos.h: Update.
3846         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
3847         (copysigndf3): Likewise.
3848         (copysignsf3_const, copysigndf3_const): New.
3849         (copysignsf3_var): Rename from copysignsf3, split out splitter
3850         and fix split predicate for X constraint.
3851         (copysigndf3_var): Similarly.
3852
3853 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
3854
3855         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
3856         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
3857         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
3858
3859 2005-01-29  Richard Henderson  <rth@redhat.com>
3860
3861         PR target/19690
3862         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
3863         of # and * in constraints.
3864
3865 2005-01-29  Richard Henderson  <rth@redhat.com>
3866
3867         PR middle-end/19689
3868         * expr.c (store_field): Don't strip sub-mode cast when the input
3869         data is even smaller.
3870
3871 2005-01-29  Richard Henderson  <rth@redhat.com>
3872
3873         PR middle-end/19687
3874         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
3875         union being empty.
3876
3877 2005-01-29  Richard Henderson  <rth@redhat.com>
3878
3879         * combine.c (make_field_assignment): Fix argument order
3880         to gen_int_mode.
3881
3882 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
3883
3884         PR tree-optimization/15791
3885         * fold-const.c (extract_array_ref): New function.
3886         (fold): Fold comparisons between &a[i] and &a[j] or
3887         semantically equivalent trees.
3888
3889 2005-01-29  Jeff Law  <law@redhat.com>
3890
3891         * gcse.c (insert_expr_in_table): Revamp handling of available
3892         and anticipatable occurrence lists to avoid unnecessary list
3893         walking.
3894         (insert_set_in_table): Similarly.
3895
3896 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
3897
3898         * c-common.c (fix_string_type): Just use c_build_qualified_type to
3899         build string type.
3900         (c_build_qualified_type): Build qualified array types with
3901         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
3902         * c-decl.c (c_make_fname_decl): Build unqualified array type
3903         before qualified type.
3904         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
3905         type is qualified, not just if type itself is.  Don't apply
3906         qualifiers to array type when declarator is processed.  Apply
3907         qualifiers to field type whether or not it is an array type.
3908         Don't handle array types specially for applying qualifiers to
3909         variables.
3910         * c-typeck.c (composite_type): Build unqualified element type and
3911         array type when forming composite of array types.
3912         (common_pointer_type, comptypes, comp_target_types,
3913         type_lists_compatible_p, build_indirect_ref, build_array_ref,
3914         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
3915         types.
3916         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
3917         (args2) in variables a1 and a2.
3918
3919 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
3920
3921         * cse.c (n_elements_made, max_elements_made): Remove.
3922         (insert): Don't touch n_elements_made.
3923         (cse_main): Don't touch n_elements_made or max_elements_made.
3924
3925 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
3926
3927         PR target/15384
3928         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
3929         configuration part of dp-bit.c to be lost.
3930
3931 2005-01-28  Roger Sayle  <roger@eyesopen.com>
3932
3933         * expmed.c (expand_mult_highpart_optab): When attempting to use
3934         a non-widening multiplication in a wider mode, the operands need
3935         to be converted (zero or sign extended) to that mode.
3936
3937 2005-01-28  Ian Lance Taylor  <ian@airs.com>
3938
3939         PR middle-end/16558
3940         PR middle-end/19583
3941         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
3942         through if both operands fall through.
3943
3944 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
3945
3946         * cse.c (fold_rtx) <PC>: Don't optimize.
3947
3948 2005-01-28  Jeff Law  <law@redhat.com>
3949
3950         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
3951         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
3952
3953 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
3954
3955         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
3956         cse_reg_info_used_list_end): Remove.
3957         (cse_reg_info_list, cse_reg_info_list_free): New.
3958         (get_cse_reg_info): When allocating an instance of
3959         cse_reg_info, add it to the beginning of the cse_reg_info_list
3960         list.  Remove code to maintain cse_reg_info_used_list.
3961         (new_basic_block): Reset the free list to the beginning of
3962         cse_reg_info_list.
3963
3964 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
3965
3966         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
3967         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
3968         (frv_expand_mdpackh_builtin): New function.
3969         (frv_expand_builtin): Use it to expand __MDPACKH.
3970         * doc/extend.texi (__MDPACKH): Update documentation.
3971
3972 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
3973
3974         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
3975         SSE_FLOAT_MODE_P for use_sse computation.
3976
3977 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
3978
3979         PR target/19663
3980         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
3981
3982 2005-01-27  Richard Henderson  <rth@redhat.com>
3983
3984         * builtins.c (expand_builtin_copysign): New.
3985         (expand_builtin): Call it.
3986         * genopinit.c (optabs): Add copysign_optab.
3987         * optabs.c (init_optabs): Initialize it.
3988         (expand_copysign): New.
3989         * optabs.h (OTI_copysign, copysign_optab): New.
3990         (expand_copysign): Declare.
3991
3992         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
3993         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
3994
3995         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
3996         (ix86_expand_fp_absneg_operator): ... here.
3997         (ix86_split_copysign): New.
3998         * config/i386/i386-protos.h: Update.
3999         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
4000         (copysignsf3, copysigndf3): New.
4001
4002         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
4003         (copysignsf3, ncopysignsf3): New.
4004         (copysigndf3, ncopysigndf3): New.
4005         (copysignxf3, ncopysignxf3): New.
4006         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
4007
4008 2005-01-27  Arend Bayer  <arend.bayer@web.de>
4009             Kazu Hirata  <kazu@cs.umass.edu>
4010
4011         * cse.c: (find_best_addr): Don't call copy_rtx before calling
4012         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
4013         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
4014         NULL_RTX.
4015
4016 2005-01-27  Jeff Law  <law@redhat.com>
4017
4018         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
4019         definitions of SSA_NAMEs which are not being rewritten.
4020         (rewrite_ssa_into_ssa): Only initialize the current definition
4021         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
4022         If checking is enabled, assert that SSA_NAME_AUX is clear for all
4023         SSA_NAMEs before returning.
4024
4025 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
4026
4027         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
4028         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
4029         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
4030         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
4031         config/mips/iris6.h, config/sh/sh.c: Update copyright.
4032
4033 2005-01-27  Steven Bosscher  <stevenb@suse.de>
4034
4035         PR middle-end/17278
4036         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
4037         higher to -O2 and higher.  Likewise for tree PRE.
4038         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
4039         and better.
4040
4041 2005-01-27  Ian Lance Taylor  <ian@airs.com>
4042
4043         PR middle-end/19583
4044         * gimple-low.c (try_catch_may_fallthru): New static function.
4045         (block_may_fallthru): Handle TRY_CATCH_EXPR.
4046         * tree-inline.c (expand_call_inline): Don't warn about reaching
4047         the end of a non-void function being inlined if the function uses
4048         a return slot.
4049
4050 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
4051
4052         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
4053
4054         PR c/18946
4055         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
4056         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
4057         (implicitly_declare): Handle error_mark_node.
4058
4059 2005-01-27  Richard Henderson  <rth@redhat.com>
4060
4061         PR tree-opt/14329
4062         * tree.h (struct tree_decl): Add debug_expr_is_from.
4063         (DECL_DEBUG_EXPR_IS_FROM): New.
4064         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
4065         * dwarf2out.c (dwarf2out_var_location): Update to match.
4066         * tree-outof-ssa.c (create_temp): Likewise.
4067         * var-tracking.c (track_expr_p): Likewise.
4068         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
4069         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
4070         * toplev.c (default_tree_printer): Likewise.
4071
4072 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
4073
4074         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
4075         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
4076
4077 2005-01-27  Steven Bosscher  <stevenb@suse.de>
4078
4079         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
4080         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
4081         ASM_CLOBBERS): Add tree checks.
4082
4083         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
4084         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
4085         * c-common.def (SWITCH_STMT): Update to match.
4086         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
4087         macros instead of SWITCH_EXPR ones.
4088         * c-dump.c (c_dump_tree): Likewise.
4089         * c-gimplify.c (gimplify_switch_stmt): Likewise.
4090         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
4091
4092         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
4093
4094 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
4095
4096         * unwind-dw2.c (execute_stack_op): Add missing cases for
4097         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
4098
4099 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
4100
4101         * config.gcc (Obsolete configurations): Remove 'dummy', add
4102         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
4103         sparc-*-openbsd*.
4104
4105 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
4106
4107         PR tree-optimization/19633
4108         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
4109         CALL_EXPRs.
4110         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
4111         are no call-clobbered variables.
4112         * tree-outof-ssa.c (check_replaceable): Return false for calls
4113         with side-effects.
4114
4115 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
4116
4117         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
4118         even for variables with NULL DECL_INITIAL.
4119
4120 2005-01-26  Stuart Hastings  <stuart@apple.com>
4121
4122         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
4123
4124 2005-01-26  Richard Henderson  <rth@redhat.com>
4125
4126         PR middle-end/18008
4127         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
4128         field's type.
4129         * expr.c (store_field): Strip conversions to odd-bit-sized types
4130         if the destination field width matches.
4131
4132 2005-01-26  Richard Henderson  <rth@redhat.com>
4133
4134         * c-decl.c, expmed.c, expr.c: Revert last change.
4135
4136 2005-01-26  Richard Henderson  <rth@redhat.com>
4137
4138         PR middle-end/18008
4139         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
4140         field's type.
4141         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
4142         if we don't need the bits above those present in the current mode.
4143         * expr.c (store_field): Strip conversions to odd-bit-sized types
4144         if the destination field width matches.
4145
4146 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
4147
4148         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
4149         either -ffast-math or -funsafe-math-optimizations is in use.
4150
4151 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
4152
4153         PR target/19293
4154         PR target/19329
4155         * config/avr/avr.c (notice_update_cc): Only set condition code for
4156         ashrqi3 if shift count > 0.
4157         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
4158         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
4159         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
4160         count <= 0 as a no-op, and shift count >= width by copying zero
4161         or sign bit to all bits of the result.
4162         * config/avr/avr.md (all shifts): Add alternatives for zero shift
4163         count, with attribute "length" set to 0 and "cc" set to "none".
4164
4165 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
4166
4167         * doc/invoke.texi: Document -mTLS.
4168
4169         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
4170         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
4171         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
4172         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
4173         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
4174         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
4175         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
4176         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
4177
4178         * configure.ac: Check for a TLS capable gas.
4179
4180         * configure: Regenerate.
4181
4182 2005-01-26  Richard Henderson  <rth@redhat.com>
4183
4184         PR middle-end/18008
4185         * combine.c (make_field_assignment): Simplify store to zero_extract
4186         from a source with an overlapping mask.
4187
4188 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
4189
4190         2004-11-11  Eric Christopher  <echristo@redhat.com>
4191
4192         * config/frv/frv.md: Add fr400_integer automaton. Don't
4193         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
4194         to TYPE_MACC.
4195
4196 2005-01-26  Steven Bosscher  <stevenb@suse.de>
4197
4198         PR middle-end/16585
4199         * cfgbuild.c (make_edges): Do not clear or set
4200         current_function_has_computed_jump.
4201         * function.h (struct function): Remove the has_computed_jump field.
4202         (current_function_has_computed_jump): Do not define.
4203         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
4204         in a computed jump.  Ignore current_function_has_computed_jump.
4205
4206 2005-01-26  Richard Henderson  <rth@redhat.com>
4207
4208         PR middle-end/19515
4209         * expr.c (categorize_ctor_elements): New argument p_must_clear.
4210         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
4211         fully initialized.
4212         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
4213         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
4214         objects into static storage if they have more than one non-zero value.
4215         * tree.h (categorize_ctor_elements): Update decl.
4216
4217 2005-01-26  Steven Bosscher  <stevenb@suse.de>
4218
4219         PR middle-end/19616
4220         * tree.h (CALL_EXPR_TAILCALL): Add comment.
4221         * calls.c (check_sibcall_argument_overlap_1): Revert the change
4222         to this function from 2004-07-10.
4223         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
4224         the current function for tail call optimizations if the address
4225         of one of it its arguments is taken.
4226
4227 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
4228
4229         * cse.c (fold_rtx): Call equiv_constant only when necessary.
4230
4231 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
4232
4233         * function.c (expand_function_end): If current_function_calls_alloca,
4234         emit stack restore in a place that is reached when the function falls
4235         through at the end.
4236
4237 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
4238
4239         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
4240         rule to avoid matching inappropriate suffix rule.
4241
4242 2005-01-26  Jan Hubicka  <jh@suse.cz>
4243
4244         PR tree-optimization/19241
4245         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
4246
4247 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
4248
4249         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
4250         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
4251         of doubling.
4252         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
4253         <sim*>: Always use crt1.o, regardless of N in simN.
4254         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
4255         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
4256         (CRT_CALL_STATIC_FUNCTION): Remove.
4257         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
4258         use crt1.o, regardless of N in simN.
4259         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
4260         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
4261         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
4262         case isystem setting.
4263         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
4264
4265 2005-01-25  Ian Lance Taylor  <ian@airs.com>
4266
4267         * gimple-low.c (block_may_fallthru): Correct handling of
4268         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
4269
4270 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
4271
4272         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
4273         handlers to match indentation; nested under the mtune=* handler.
4274         Similar for mcpu= and march=.
4275
4276 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
4277
4278         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
4279         * config/mips/linux64.h (LIB_SPEC): Likewise.
4280         * config/mn10300/linux.h (LIB_SPEC): Likewise.
4281         * config/sh/linux.h (LIB_SPEC): Likewise.
4282
4283 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
4284
4285         * config/frv/frv.c (frv_legitimize_tls_address): New.
4286         (TARGET_HAVE_TLS): Define.
4287         (FRV_SYMBOL_REF_TLS_P): Define.
4288         (frv_override_options): Handle new register classes.
4289         (frv_legitimate_address_p): Reject tls addresses.
4290         (frv_legitimize_address): Handle TLS addresses.
4291         (gen_inlined_tls_plt): New.
4292         (gen_tlsmoff): New.
4293         (frv_legitimize_tls_address): New.
4294         (unspec_got_name): Add TLS entries.
4295         (got12_operand): Add R_FRV_TLSMOFF12 case.
4296         (frv_emit_move): Fixup TLS addresses.
4297         (frv_emit_movsi): Legitimize TLS addresses.
4298
4299         * config/frv/frv.h (MASK_BIG_TLS): New.
4300         (TARGET_BIG_TLS): New.
4301         (HAVE_AS_TLS): Define.
4302         (TARGET_SWITCHES): Add -mTLS and -mtls options.
4303         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
4304         (REG_CLASS_NAMES): Same.
4305         (REG_CLASS_CONTENTS): Same.
4306         (CONSTRAINT_LEN): New.
4307         (REG_CLASS_FROM_CONSTRAINT): New.
4308         (PREDICATE_CODES): Add symbolic_operand.
4309
4310         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
4311         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
4312         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
4313         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
4314         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
4315         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
4316         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
4317         GR9_REG, GR14_REG, LRREG.
4318         (type): Add load_or_call attribute.
4319         ("load_or_call"): New reservation.
4320         ("call_gettlsoff"): New.
4321         ("tls_indirect_call"): New.
4322         ("tls_load_gottlsoff12"): New.
4323         ("tlsoff_hilo"): New.
4324         ("tls_tlsdesc_ldd"): New.
4325         ("tls_tlsoff_ld"): New.
4326         ("tls_lddi"): New.
4327
4328         * config/frv/frv-protos.h (symbolic_operand): Protoize.
4329
4330         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
4331
4332         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
4333         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
4334         * config/frv/frv.c (TLS_BIAS): Define.
4335         (frv_output_dwarf_dtprel): New.
4336
4337 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
4338
4339         PR rtl-optimization/19579
4340         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
4341         both A and B, see if they don't clobber registers the other expr uses.
4342
4343 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
4344
4345         * real.c (do_add): Initialize signalling and canonical members.
4346
4347         * real.c (real_from_integer): Zero out destination.
4348
4349 2005-01-18  Jan Hubicka  <jh@suse.cz>
4350
4351         PR tree-optimize/19337
4352         * tree-inline.c (initialize_inlined_parameters): Copy
4353         saved_static_chain_decl only.
4354
4355 2005-01-25  Richard Henderson  <rth@redhat.com>
4356
4357         PR target/19556
4358         PR target/19584
4359         * config/i386/i386.c (x86_inter_unit_moves): Zero.
4360         (ix86_preferred_reload_class): Rewrite fp-constant section, with
4361         80387 enabled, to return a proper subclass.  Return the subset that
4362         overlaps with GENERAL_REGS for PLUS.
4363         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
4364
4365 2005-01-25  Richard Henderson  <rth@redhat.com>
4366
4367         PR middle-end/19609
4368         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
4369
4370 2005-01-25  Roger Sayle  <roger@eyesopen.com>
4371
4372         * expmed.c (choose_multiplier): Change interface to return the
4373         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
4374         (expand_divmod): Update calls to choose_multiplier.
4375
4376 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4377
4378         PR middle-end/19330
4379         * expmed.c (extract_bit_field): Use adjust_address instead of
4380         gen_lowpart when op0 is a MEM.
4381
4382 2005-01-24  Steven Bosscher  <stevenb@suse.de>
4383
4384         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
4385
4386 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
4387
4388         * config/mips/irix-csr.c: New file.
4389         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
4390         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
4391         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
4392         executables.
4393
4394 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
4395
4396         PR bootstrap/19364
4397         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
4398         sparc/elf.h, add sparc/sp-elf.h.
4399         (sparc-*-rtems*): Likewise.
4400         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
4401         tm-dwarf2.h, add sparc/sp-elf.h.
4402         (sparc86x-*-elf): Likewise.
4403         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
4404         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
4405         TARGET_OS_CPP_BUILTINS.
4406         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
4407         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
4408         Undefine it.
4409         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
4410         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
4411         (SWITCH_TAKES_ARG): Likewise.
4412         (LOCAL_LABEL_PREFIX): Likewise.
4413         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
4414         (TARGET_N_FORMAT_TYPES): Delete.
4415         (TARGET_FORMAT_TYPES): Likewise.
4416         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
4417         * config/sparc/elf.h: Delete.
4418         * config/sparc/sp-elf.h: New file.
4419
4420 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
4421
4422         * tree-flow-inline.h (phi_arg_from_edge): Remove.
4423         * tree-flow.h: Remove the corresponding prototype.
4424         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
4425         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
4426
4427 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
4428
4429         PR target/17751
4430         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
4431         for AIX ABI or ELF -fPIC.
4432         (rs6000_emit_load_toc_table): Don't create toc_section here.
4433         (rs6000_xcoff_file_start): Nor here.
4434
4435 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
4436
4437         * sh.c (ra.h): Don't #include.
4438         (hard_regs_intersect_p): New function, resurrected from ra.c.
4439
4440         * sh.c: Fix 1996 Copyright.
4441
4442 2005-01-24  Richard Henderson  <rth@redhat.com>
4443             Aldy Hernandez  <aldyh@redhat.com>
4444
4445         * regrename.c (note_sets): Handle subregs.
4446
4447 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
4448
4449         PR bootstrap/18058
4450         * genconditions.c (write_header, write_conditions): Elide file if
4451         not GCC >= 3.0.1.
4452
4453 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
4454
4455         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
4456         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
4457         Update copyright.
4458
4459 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
4460
4461         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
4462         expand_builtin_printf, expand_builtin_fprintf,
4463         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
4464         checking against POINTER_TYPE.
4465         (validate_arglist): Handle POINTER_TYPE code by checking
4466         POINTER_TYPE_P.
4467
4468 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
4469
4470         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
4471         init_rtlanal): New.
4472         (for_each_rtx): Call for_each_rtx_1.
4473         * rtl.h (init_rtlanal): Declare.
4474         * toplev.c (backend_init): Call init_rtlanal.
4475
4476 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
4477
4478         * flow.c (propagate_one_insn): Formatting.
4479
4480         PR middle-end/19551
4481         * flow.c (libcall_dead_p): Be more conservative if unsure.
4482         If there are any instructions between insn and call, see if they are
4483         all dead before saying the libcall is dead.
4484
4485 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
4486
4487         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
4488         operand constraint for operand 0.
4489
4490 2005-01-23  Richard Henderson  <rth@redhat.com>
4491
4492         PR 19486
4493         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
4494         edges leading to join block.
4495
4496 2005-01-23  Roger Sayle  <roger@eyesopen.com>
4497
4498         * expmed.c (expand_mult_highpart): Make static.  Change type of
4499         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
4500         (expand_divmod): Updates calls to expand_mult_highpart by using
4501         gen_int_mode to pass a CONST_INT rtx.
4502         * rtl.h (expand_mult_highpart): Remove prototype.
4503
4504 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
4505
4506         * flow.c (regset_bytes, regset_size): Remove.
4507
4508         * cfganal.c: Fix a reference to Harvey's paper.
4509
4510 2005-01-23  Steven Bosscher  <stevenb@suse.de>
4511
4512         PR rtl-optimization/19464
4513         * tree-optimize.c (init_tree_optimization_passes): Add one more
4514         copyrename pass just before out-of-ssa.
4515
4516 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
4517
4518         PR bootstrap/18058
4519         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
4520         * ggc-none.c (ggc_free): Define.
4521
4522 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
4523
4524         * cse.c (max_reg, max_insn_uid): Remove.
4525         (cse_main): Don't access max_reg or max_insn_uid.
4526
4527         * c-common.c (explicit_flag_signed_bitfields,
4528         lang_statement_code_p, lang_expand_function_end): Remove.
4529         * c-common.h: Remove the corresponding declarations.
4530         * c-opts.c (c_common_handle_option): Remove all write access
4531         to explicit_flag_signed_bitfields.
4532
4533         * cgraph.c (cgraph_varpool_n_nodes): Remove.
4534         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
4535         * cgraph.h: Remove the corresponding declaration.
4536
4537         * gcse.c (null_pointer_info): Remove.
4538
4539 2005-01-23  Roger Sayle  <roger@eyesopen.com>
4540             Eric Botcazou  <ebotcazou@libertysurf.fr>
4541
4542         * combine.c (simplify_logical): Only simplify logical expressions
4543         of the form ior(and(x,y),z) by the inverse distributive law if the
4544         result is cheaper than the original.
4545
4546 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
4547
4548         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
4549         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
4550         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
4551         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
4552         config/freebsd-spec.h, config/arm/arm.h,
4553         config/h8300/h8300.md, config/i386/i386.md,
4554         config/i386/predicates.md, config/i386/sse.md,
4555         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
4556         config/vax/vax.md: Fix comment typos.  Follow spelling
4557         conventions.
4558
4559 2005-01-23  Steven Bosscher  <stevenb@suse.de>
4560
4561         * gengtype.c (walk_type): Produce `not equal to' compares for loop
4562         tests, instead of `less than'.
4563
4564 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
4565
4566         * function.c (assign_parm_setup_block): When creating a new stack slot
4567         for a parameter, get its alignment from the parameter's DECL_ALIGN
4568         rather than the type's TYPE_ALIGN.  Make sure that the parameter
4569         is at least word aligned.
4570
4571 2005-01-22  Roger Sayle  <roger@eyesopen.com>
4572
4573         PR middle-end/19378
4574         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
4575
4576 2005-01-22  Richard Henderson  <rth@redhat.com>
4577
4578         PR target/19506
4579         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
4580         in both compare operands.
4581         (movdfcc_1_sse_max): Likewise.
4582         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
4583         (movdfcc_1_sse): Likewise.
4584         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
4585         scratch register as needed.
4586
4587 2005-01-22  Richard Henderson  <rth@redhat.com>
4588
4589         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
4590
4591         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
4592
4593 2005-01-22  Richard Henderson  <rth@redhat.com>
4594
4595         * genopinit.c (optabs): Use smin/smax for floating point too.
4596         * doc/md.texi: Update to match.  Clarify that floating point
4597         results are undefined for +0/-0 and NaN.
4598         * doc/rtl.texi: Likewise.
4599         * rtl.def (SMIN, SMAX): Likewise
4600         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
4601
4602         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
4603         leading 's' to the name.
4604         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
4605         smaxxf3, sminxf3): Likewise.
4606         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
4607         Likewise.
4608
4609 2005-01-22  Paul Brook  <paul@codesourcery.com>
4610
4611         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
4612
4613 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
4614
4615         * config/s390/s390.c (struct processor_costs): New fields
4616         dlgr, dlr, dr, dsgfr, dsgr.
4617         (z900_cost, z990_cost): Values for new fields.
4618         (s390_rtx_costs): New cases MEM und COMPARE in switch
4619         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
4620         DIV, MOD, UDIV, UMOD.
4621
4622 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
4623
4624         * config/s390/s390.md ("doloop_si64"): Reload input value directly
4625         into the register being decremented.
4626         ("doloop_si31", "doloop_di"): Likewise.
4627         ("*doloop_si_long"): Adapt pattern.
4628
4629 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
4630
4631         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
4632         access registers.
4633         (CLASS_MAX_NREGS): Likewise.
4634
4635 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
4636
4637         * doc/tree-ssa.texi (Statement Operands): Add example for new
4638         must-def macro. Note deprecation of old operands interface.
4639
4640 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
4641
4642         PR tree-optimization/19484
4643         * tree-cfg.c (remove_fallthru_edge): New function.
4644         (cleanup_control_flow): Remove fallthru edges from calls that are
4645         now known not to return.
4646
4647 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
4648
4649         Fix PR tree-optimization/19038
4650         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
4651         copies with loop variant ones.
4652
4653 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
4654
4655         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
4656         config/alpha/alpha-protos.h, config/alpha/alpha.h,
4657         config/alpha/alpha.md, config/alpha/predicates.md,
4658         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
4659         config/sparc/sol2.h: Update copyright.
4660
4661         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
4662         first label to see if it is a nonlocal label.
4663
4664 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
4665             Andrew Pinski  <pinskia@physics.uc.edu>
4666
4667         PR target/19491
4668         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
4669         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
4670
4671 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
4672
4673         * config/rs6000/rtems.h: Update copyright.
4674
4675 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
4676
4677         PR target/19548
4678         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
4679         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
4680         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
4681
4682 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4683
4684         PR c/18809
4685         * c-typeck.c (convert_arguments): Check for error_mark_node.
4686
4687 2005-01-21  Ian Lance Taylor  <ian@airs.com>
4688
4689         PR tree-optimization/13000
4690         * tree-inline.c: Include "tree-flow.h".
4691         (expand_call_inline): If warn_return_type, warn if non-void inline
4692         function falls through.
4693         * tree-cfg.c (execute_warn_function_return): Don't warn about
4694         control reaching end if TREE_NO_WARNING is set.  Set
4695         TREE_NO_WARNING.
4696         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
4697         has been lowered.
4698         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
4699         branch if we don't need one.
4700         * c-typeck.c: Include "tree-flow.h"
4701         (c_finish_bc_stmt): Don't add a goto if the current statement
4702         list doesn't fall through to the current point.
4703
4704 2005-01-21  Roger Sayle  <roger@eyesopen.com>
4705
4706         PR rtl-optimization/576
4707         * real.c (real_arithmetic): Change return type from void to bool
4708         to return an indication that the result may be inexact.
4709         * real.h (real_arithmeric): Update prototype.
4710         * fold-const.c (const_binop):  Don't constant fold floating
4711         point expressions when the user specifies -frounding-math and
4712         the result may depend upon the run-time rounding mode.
4713         (fold_convert_const_real_from_real): Clean-up.
4714         (fold_initializer): Ignore flag_rounding_math for initializers.
4715         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
4716         constant fold FP operations with flag_rounding_math if the
4717         result may depend upon the run-time rounding mode.
4718
4719 2005-01-21  Tom Tromey  <tromey@redhat.com>
4720
4721         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
4722
4723 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
4724
4725         * tree-cfg.c: Fix comment typos.
4726
4727 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
4728
4729         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
4730         around the call to rest_of_handle_branch_target_load_optimize.
4731
4732 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
4733
4734         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
4735         (sparc64-*-openbsd*): Likewise.
4736         (sparclite-*-elf*): Include tm-dwarf2.h.
4737         (sparc86x-*-elf*): Likewise.
4738         (sparc64-*-elf*): Likewise.
4739         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
4740         (DBX_DEBUGGING_INFO): Likewise.
4741         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
4742         (PREFERRED_DEBUGGING_TYPE): Likewise.
4743         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
4744         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
4745         (PREFERRED_DEBUGGING_TYPE): Likewise.
4746         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
4747         (PREFERRED_DEBUGGING_TYPE): Likewise.
4748         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
4749
4750 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
4751
4752         PR target/18701
4753         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
4754
4755 2005-01-20  Paul Brook  <paul@codesourcery.com>
4756
4757         * doc/rtl.texi: Document value extension requirements for CONST_INT.
4758
4759 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
4760
4761         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
4762         label is first in a sequence of labels.
4763
4764         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
4765
4766 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
4767             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
4768
4769         * doc/sourcebuild.texi (Test Directives): New.
4770
4771 2005-01-20  Roger Sayle  <roger@eyesopen.com>
4772
4773         * real.c (real_floor): Don't leave the result uninitialized when
4774         mode is VOIDMode, but return the unrounded intermediate value.
4775         (real_ceil): Likewise.
4776
4777 2005-01-20  Paul Brook  <paul@codesourcery.com>
4778
4779         * config/arm/arm.md (insv): Use gen_int_mode.
4780
4781 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
4782
4783         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
4784         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
4785         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
4786         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
4787         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
4788
4789 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
4790
4791         Fix PR debug/19124
4792         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
4793         fbreg, so we have to assume we can't.
4794         (loc_descriptor_from_tree_1): Ditto.
4795         (containing_function_has_frame_base): New function.
4796         (add_location_or_const_value_attribute): Use it.
4797         Also try to generate a frame_base from a single element location
4798         list.
4799
4800 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
4801
4802         PR tree-optimization/15349
4803         * timevar.def (TV_TREE_MERGE_PHI): New.
4804         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
4805         PHI_WANTED.
4806         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
4807         calls to tree_forwarder_block_p.
4808         (remove_forwarder_block_with_phi, merge_phi_nodes,
4809         gate_merge_phi, pass_merge_phi): New.
4810         * tree-optimize.c (init_tree_optimization_passes): Add
4811         pass_merge_phi.
4812         * tree-pass.h: Add an extern for pass_merge_phi;
4813
4814 2005-01-20  Richard Henderson  <rth@redhat.com>
4815
4816         PR target/19418
4817         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
4818         (_mm_castps_pd, _mm_castps_si128): New.
4819         (_mm_castsi128_ps, _mm_castsi128_pd): New.
4820
4821 2005-01-20  Richard Henderson  <rth@redhat.com>
4822
4823         PR target/19530
4824         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
4825         __builtin_ia32_vec_init_v2si.
4826         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
4827         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
4828         (ix86_init_mmx_sse_builtins): Create it.
4829         (ix86_expand_builtin): Expand it.
4830         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
4831         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
4832         (vec_extractv2si_0, vec_extractv2si_1): New.
4833
4834 2005-01-20  Richard Henderson  <rth@redhat.com>
4835
4836         PR target/16533
4837         * config/i386/i386.c (ix86_expand_push): New.
4838         * config/i386/mmx.md (push<MMXMODE>1): New.
4839         * config/i386/sse.md (push<SSEMODE>1): New.
4840         * config/i386/i386-protos.h: Update.
4841
4842 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
4843
4844         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
4845         copyright.
4846
4847 2005-01-20  Richard Henderson  <rth@redhat.com>
4848
4849         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
4850         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
4851
4852 2005-01-19  Richard Henderson  <rth@redhat.com>
4853
4854         PR target/19350
4855         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
4856         to V4SFmode in SSE1 fallback load path.
4857
4858 2005-01-19  Richard Henderson  <rth@redhat.com>
4859
4860         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
4861         in QImode expansion to ix86_expand_vector_set.
4862         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
4863
4864 2005-01-19  Richard Henderson  <rth@redhat.com>
4865
4866         PR target/19511
4867         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
4868         subclass of the input class.
4869         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
4870         Always true for cross-SSE1 classes.  Rationalize conditionals.
4871         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
4872         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
4873         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
4874         (movdi_2): Add MMX/SSE zeros.
4875         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
4876         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
4877         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
4878         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
4879         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
4880         (zero_extendsidi2_rex64_1): Remove.
4881         (MOV0 peephole): Check GENERAL_REG_P.
4882
4883 2005-01-19  Richard Henderson  <rth@redhat.com>
4884
4885         PR target/19427
4886         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
4887         shufps elements.
4888         (ix86_expand_vector_extract): Likewise.
4889
4890 2005-01-19  Richard Henderson  <rth@redhat.com>
4891
4892         PR middle-end/19304
4893         * expr.c (emit_move_change_mode): New argument force; use
4894         simplify_gen_subreg if true.
4895         (emit_move_via_alt_mode): Merge into ...
4896         (emit_move_via_integer): ... here.
4897         (emit_move_ccmode): Use emit_move_change_mode directly.
4898
4899 2005-01-19  Richard Henderson  <rth@redhat.com>
4900
4901         PR target/19518
4902         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
4903         (alpha_preferred_reload_class): Handle CONST_VECTOR.
4904         (alpha_emit_set_const_1): Add no_output parameter; don't emit
4905         rtl if true.
4906         (alpha_emit_set_const): Likewise.  Make static.
4907         (alpha_emit_set_long_const): Make static.
4908         (alpha_extract_integer): Split out from alpha_expand_mov.
4909         (alpha_split_const_mov): Likewise.
4910         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
4911         (alpha_legitimate_constant_p): New.
4912         * config/alpha/alpha-protos.h: Update.
4913         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
4914         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
4915         * config/alpha/alpha.md (movsi): Add n alternative.
4916         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
4917         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
4918         (splitters for all of the above): Use alpha_split_const_mov.
4919         * config/alpha/predicates.md (non_add_const_operand): New.
4920         (non_zero_const_operand): New.
4921         (input_operand): Use alpha_legitimate_constant_p after reload.
4922
4923 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
4924
4925         PR tree-optimization/19038
4926         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
4927         (add_candidate): Add ivs with increment in latch only if
4928         allow_ip_end_pos_p is true.
4929         (determine_iv_cost): Use empty_block_p.
4930
4931 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
4932
4933         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
4934         (compute_dominance_frontiers): Ditto.
4935
4936 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
4937
4938         PR target/19529
4939         * config/sh/t-rtems: New.
4940         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
4941
4942 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
4943
4944         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
4945         the offset of the selected field.
4946
4947 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
4948
4949         * tree-cfg.c (remove_forwarder_block): Fix the check to
4950         prevent a nonlocal label from appearing in the middle of a
4951         basic block.
4952
4953 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
4954
4955         PR rtl-optimization/19462
4956         * reorg.c (find_end_label): Create return insn only if
4957         current_function_epilogue_delay_list is empty.
4958
4959 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
4960
4961         * doc/passes.texi: Remove paragraph mentioning new-ra.
4962
4963 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
4964
4965         PR rtl-optimization/15139
4966         * combine.c: Include params.h.
4967         (count_rtxs): New function.
4968         (record_value_for_reg): If replace_rtx would replace at least
4969         2 occurrences of REG in VALUE and TEM is really large, replace REG with
4970         (clobber (const_int 0)) instead of TEM.
4971         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
4972         * params.h (MAX_LAST_VALUE_RTL): New.
4973         * Makefile.in (combine.o): Depend on $(PARAMS_H).
4974         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
4975
4976         PR c/17297
4977         * c-typeck.c (digest_init): Only call build_vector if all constructor
4978         elements are *_CST nodes.
4979         * gimplify.c (gimplify_init_constructor): Likewise.
4980
4981         PR middle-end/19164
4982         * c-typeck.c (digest_init): Only call build_vector if inside_init
4983         is a CONSTRUCTOR.
4984
4985 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
4986
4987         * toplev.c (init_asm_output): Remove dead #ifdef.
4988
4989 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
4990
4991         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
4992
4993 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
4994
4995         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
4996         accessing DECL_FUNCTION_CODE.
4997         * dojump.c (do_jump): Likewise.
4998         * gimplify.c (gimplify_call_expr): Likewise.
4999         * predict.c (expr_expected_value): Likewise.
5000         (strip_builtin_expect): Likewise.
5001         * tree-inline.c (estimate_num_insns_1): Likewise.
5002         * tree-ssa-loop-im.c (stmt_cost): Likewise
5003         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
5004         (tree_expr_nonnegative_p): Likewise.
5005
5006 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
5007
5008         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
5009         variant of the load_pcrel_sym pattern.
5010         * config/sparc/sparc.md (P macro): Move to the top.
5011         (load_pcrel_sym): Macroize using P.
5012         (save_register_window): Likewise.
5013
5014 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
5015
5016         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
5017         ("sordered"): Same.
5018
5019 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
5020
5021         PR C/19472
5022         * c-typeck.c (build_asm_expr): Strip nops off
5023         input memory operands.
5024
5025 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
5026
5027         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
5028         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
5029         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
5030         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
5031
5032 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
5033
5034         PR target/19379
5035         * config/i386/i386.c (override_options): If the 80387 is disabled,
5036         then do not return FP values using FP registers.
5037
5038 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
5039
5040         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
5041         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
5042         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
5043         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
5044         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
5045         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
5046         output.h, postreload-gcse.c, postreload.c, recog.c,
5047         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
5048         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
5049         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
5050         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
5051         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
5052         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
5053         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
5054         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
5055
5056         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
5057         config/alpha/alpha.c, config/arm/vfp.md,
5058         config/i386/emmintrin.h, config/i386/i386-modes.def,
5059         config/i386/i386-protos.h, config/i386/i386.h,
5060         config/i386/pmmintrin.h, config/i386/ppro.md,
5061         config/i386/predicates.md, config/i386/xmmintrin.h,
5062         config/i860/i860.c, config/ia64/ia64-modes.def,
5063         config/ia64/ia64-protos.h, config/ia64/ia64.h,
5064         config/ia64/ia64.md, config/ia64/itanium1.md,
5065         config/ia64/itanium2.md, config/ia64/predicates.md,
5066         config/iq2000/iq2000.h, config/mips/linux64.h,
5067         config/rs6000/aix41.h, config/rs6000/aix43.h,
5068         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
5069         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
5070         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
5071         config/sparc/linux64.h, config/sparc/litecoff.h,
5072         config/sparc/sp64-elf.h, config/sparc/sparc.c,
5073         config/sparc/sparc.h, config/sparc/sparc.md,
5074         config/sparc/sysv4-only.h: Update copyright.
5075
5076 2005-01-18  Richard Henderson  <rth@redhat.com>
5077
5078         PR target/19496
5079         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
5080
5081 2005-01-18  Marc Espie  <espie@openbsd.org>
5082         * config/i386/openbsdelf.h: Typo.
5083
5084 2005-01-18  Richard Henderson  <rth@redhat.com>
5085
5086         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
5087         special case for sse.
5088         * config/i386/predicates.md (sse_comparison_operator): Likewise.
5089
5090 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
5091
5092         * tree-inline.c (estimate_num_insns_1): Added cases for
5093         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
5094
5095 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
5096
5097         PR rtl-optimization/19296
5098         * combine.c (simplify_comparison): Rewrite the condition under
5099         which a non-paradoxical SUBREG of a PLUS can be lifted when
5100         compared against a constant.
5101
5102 2005-01-18  Andi Kleen <ak@muc.de>
5103
5104         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
5105         * c.opt (-Wpointer-sign): Add.
5106         * doc/invoke.texi: (-Wpointer-sign): Add.
5107
5108 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
5109
5110         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
5111         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
5112         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
5113         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
5114         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
5115         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
5116         for TARGET_MIX_SSE_I387.
5117         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
5118         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
5119         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
5120         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
5121         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
5122         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
5123         TARGET_MIX_SSE_I387.
5124         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
5125         from expander.
5126
5127 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
5128
5129         PR target/19424
5130         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
5131         Add movaps alternative for xmm reg->reg move.
5132
5133 2005-01-17  Jeff Law  <law@redhat.com>
5134
5135         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
5136         at the end of the main DOM loop rather than just before DOM exits.
5137
5138 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
5139
5140         PR tree-optimization/19121
5141         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
5142         adding aliases to a name tag, also add them to the pointer's
5143         type tag.
5144         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
5145         sensitive alias info at all.  Only check that the two pointers
5146         have compatible pointed-to sets.
5147         * tree-ssa.c (verify_name_tags): Verify that the alias set of
5148         a pointer's type tag is a superset of the alias set of the
5149         pointer's name tag.
5150
5151 2005-01-17  James E Wilson  <wilson@specifixinc.com>
5152
5153         PR target/19357
5154         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
5155         comment to document why.
5156
5157 2005-01-17  Richard Henderson  <rth@redhat.com>
5158
5159         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
5160         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
5161         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
5162         sse2_vmsminv2df3_finite): New.
5163         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
5164         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
5165         Force op1 into register.
5166
5167 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
5168
5169         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
5170         bubblestrap from always rebuilding build directory.
5171
5172 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
5173
5174         * config/s390/s390.md ("*clc"): Remove incorrect '='.
5175         ("*cmpmem_short"): Likewise.
5176
5177 2005-01-17  Steven Bosscher  <stevenb@suse.de>
5178
5179         * basic-block.h: Document BB_* flags.
5180         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
5181         use an sbitmap instead.
5182         * sched-rgn.c (compute_trg_info): Likewise.
5183
5184 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
5185
5186         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
5187         redundant target_cpu_default and extra_parts lines.  Use the default
5188         "from-abi" ISA.
5189         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
5190         (SUBTARGET_EXTRA_SPECS): Delete.
5191         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
5192         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
5193         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
5194         and "n32" for -mabi=n32.
5195
5196 2005-01-17  Ian Lance Taylor  <ian@airs.com>
5197
5198         PR c/5675
5199         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
5200         fold constant variables into initial values.
5201
5202 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
5203
5204         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
5205
5206         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
5207         through the statements backward.
5208
5209 2005-01-17  Ian Lance Taylor  <ian@airs.com>
5210
5211         PR middle-end/13127:
5212         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
5213         a variable set to the return value of the inlined function.
5214
5215 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
5216
5217         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
5218         when modes are tieable.
5219
5220 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
5221
5222         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
5223         of pthread_create to find out if threads are enabled.
5224         * gthr-posix95.h (__gthread_active_p): Likewise.
5225
5226 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
5227
5228         * common.opt (-fnew-ra): Remove.
5229         * ra*.*: Remove.
5230         * toplev.h (flag_new_regalloc): Remove.
5231         * Makefile.in (ra*.*): Don't mention.
5232         * passes.c (rest_of_handle_new_regalloc): Remove.
5233         (rest_of_handle_combine, rest_of_compilation): Always consider
5234         flag_new_regalloc as false.
5235         * doc/invoke.texi: Don't document -fnew-ra.
5236
5237 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
5238
5239         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
5240         last parameter to reg_scan.
5241         * loop.c (loop_optimize): Likewise.
5242         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
5243         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
5244         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
5245         rest_of_handle_gcse, rest_of_handle_loop_optimize,
5246         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
5247         * regclass.c (reg_scan): Likewise, for the declaration.
5248         * rtl.h (reg_scan): Likewise, for the prototype.
5249
5250 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
5251
5252         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
5253         mark_dfs_back_edges.
5254
5255 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
5256
5257         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
5258         (compute_avail): Uses don't go in tmp_gen.
5259
5260 2005-01-16  Steven Bosscher  <stevenb@suse.de>
5261
5262         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
5263         loop to look for a free slot in a page entry.
5264
5265 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5266
5267         PR target/16304
5268         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
5269         * toplev.c (compile_file): Call process_pending_assemble_output_defs
5270         just before targetm.asm_out.file_end.
5271         * tree.h (process_pending_assemble_output_defs): Declare.
5272         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
5273         New functions.
5274         (assemble_alias): Defer generation of assembly code for defines when
5275         TARGET_DEFERRED_OUTPUT_DEFS is true.
5276         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
5277         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
5278         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
5279
5280 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5281
5282         PR target/19336
5283         * pa.c (pa_scalar_mode_supported_p): New function.
5284         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
5285         * pa.h (MIN_UNITS_PER_WORD): Add comment.
5286
5287         * pa-protos.h (prefetch_operand): Delete.
5288         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
5289         * pa.c (prefetch_operand): Delete.
5290         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
5291         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
5292         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
5293         and prefetch_nocc_operand.
5294         * pa.md (prefetch): Rework to avoid reload problems handling short
5295         displacements when a cache control completer needs to be provided.
5296         (prefetch_32, prefetch_64): Delete.
5297         (prefetch_cc, prefetch_nocc): New patterns.
5298
5299 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
5300
5301         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
5302
5303 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5304
5305         PR ada/19388
5306         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
5307         exceeds maximum alignment for global common data.
5308         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
5309         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
5310
5311 2004-01-15  Roger Sayle  <roger@eyesopen.com>
5312
5313         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
5314
5315 2004-01-15  Roger Sayle  <roger@eyesopen.com>
5316
5317         * harg-reg-set.h (reg_class_names): Prototype global array.
5318         * regclass.c (reg_class_names): Declare here and initialize to
5319         REG_CLASS_NAMES.
5320         (dump_regclass): Remove local declaration of reg_class_names.
5321         (regclass): Likewise.
5322         * cfg.c (dump_flow_info): Likewise.
5323         * ra-debug.c (reg_class_names): Likewise.
5324         * regrename.c (reg_class_names): Likewise.
5325         * reload.c (reg_class_names): Likewise.
5326         * reload1.c (spill_failure): Likewise.
5327         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
5328
5329 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
5330
5331         * config/s390/s390.md ("reload_outti"): Remove predicate for
5332         output operand.  Abort if operand is not a MEM.
5333         ("reload_outdi", "reload_outdf"): Likewise.
5334
5335 2005-01-15  Marc Espie  <espie@openbsd.org>
5336
5337         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
5338         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
5339         * config/openbsd.h:  Fix C++ includes for native configurations.
5340         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
5341         Add trampoline support.
5342         * config/i386/openbsdelf.h: New.
5343
5344 2005-01-15  Marc Espie  <espie@openbsd.org>
5345
5346         * collect2.c (main): Explicitly parse -dynamic-linker option.
5347
5348 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
5349
5350         PR tree-optimization/19060
5351         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
5352         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
5353         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
5354         and handle extract_range_from_cond returning false.
5355         * fold-const.c (fold): Optimize comparisons with min/max even for
5356         width > HOST_BITS_PER_WIDE_INT.
5357
5358 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
5359
5360         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
5361         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
5362         Remove little endian multilib variants.
5363         Add mips32 multilib variant.
5364
5365 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
5366
5367         * explow.c (copy_all_reg, stabilize): Remove.
5368         * expr.h: Remove the corresponding prototypes.
5369
5370         * rtlanal.c (regs_set_between_p): Remove.
5371         * rtl.h: Remove the corresponding prototype.
5372
5373 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
5374
5375         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
5376         to rs6000_nonimmediate_operand.
5377         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
5378         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
5379         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
5380         rs6000_nonimmediate_operand.
5381         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
5382         rs6000_nonimmediate_operand.
5383
5384 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
5385
5386         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
5387
5388 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
5389
5390         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
5391         on e500v2.
5392         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
5393         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
5394
5395         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
5396         (rs6k_nonimmediate_operand): New.
5397         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
5398         correctly.
5399         (legitimate_lo_sum_address_p): Same.
5400         (rs6000_legitimize_address): Same.
5401         (rs6000_legitimize_reload_address): Same.
5402         (rs6000_legitimate_address): Same.
5403         (spe_build_register_parallel): Pass DF and DC modes in a DI
5404         register.
5405
5406         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
5407         to rs6k_nonimmediate_operand.
5408
5409         * config/rs6000/spe.md ("*frob_df_di"): New.
5410         ("*frob_di_df"): New.
5411         ("*frob_di_df_2"): New.
5412         ("*mov_sidf_e500_subreg0"): New.
5413         ("*mov_sidf_e500_subreg4"): New.
5414         ("*movdf_e500_double"): Change predicate to
5415         rs6k_nonimmediate_operand.
5416
5417 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
5418
5419         * postreload.c (move2add_note_store): Only call
5420         trunc_int_for_mode on scalar integers.
5421
5422 2005-01-14  Steven Bosscher  <stevenb@suse.de>
5423
5424         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
5425         replace BB_VISITED uses.
5426         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
5427         (propagate_necessity): Check the bitmap instead of BB_VISITED.
5428         (tree_dce_done): Free visited_control_parents.
5429         (perform_tree_ssa_dce): Allocate and clear it.
5430         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
5431         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
5432         instead of BB_VISITED.
5433
5434 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
5435
5436         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
5437         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
5438         Remove unused prototypes.
5439
5440 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
5441
5442         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
5443         64-bit register usage.
5444         (spe_func_has_64bit_regs_p): Add FIXME note.
5445
5446 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
5447
5448         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
5449         flag_finite_math_only with flag_unsafe_math_optimizations.
5450
5451 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
5452
5453         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
5454         end-of-stack check.
5455         (__tpf_eh_return): Copy TPF private stack area from the module
5456         boundary stack frame.  Add check for when module addresses are
5457         equal, but no stub address is found.
5458
5459 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
5460
5461         PR target/7525
5462         * arm.h (struct machine_function): Add call_via field.
5463         (thumb_call_via_label): Declare.
5464         * arm.c (thumb_call_via_label): New variable.
5465         (thumb_call_reg_needed): New variable.
5466         (arm_output_function_epilogue): For Thumb code, output any per-function
5467         call-indirect trampolines.
5468         (thumb_call_via_reg): New function.
5469         (arm_file_end): New function.
5470         (TARGET_ASM_FILE_END): Call arm_file_end.
5471         (aof_file_end): Likewise.
5472         * arm-protos.h (thumb_call_via_reg): Declare.
5473         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
5474         thumb_call_via_reg in normal case.
5475
5476 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
5477
5478         PR middle-end/19084
5479         PR rtl-optimization/19348
5480         * recog.c (peephole2_optimize): Do global life update if some peephole
5481         decides it doesn't need at least one of its inputs and that change
5482         influences liveness at the start of the basic block.
5483
5484         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
5485         arguments instead of 1.
5486
5487 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
5488
5489         PR middle-end/18820
5490         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
5491         zero for nested functions needing a static chain or functions
5492         with a non-constant address.
5493
5494 2005-01-13  Roger Sayle  <roger@eyesopen.com>
5495
5496         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
5497         (and (sign_extend X) C) into (zero_extend (and X C)).
5498
5499 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
5500
5501         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
5502
5503 2005-01-13  Richard Henderson  <rth@redhat.com>
5504
5505         PR target/19009
5506         PR target/19250
5507         PR target/19252
5508         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
5509         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
5510         not just TARGET_SSE.
5511         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
5512         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
5513         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
5514         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
5515         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
5516         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
5517         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
5518         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
5519         (movdicc_c_rex64): Rename with '*'.
5520         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
5521         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
5522         (movsfcc_1_387): Rename from movsfcc_1.
5523         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
5524         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
5525         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
5526         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
5527         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
5528         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
5529         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
5530         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
5531         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
5532         sse_movdfcc_const0_4): Remove.
5533         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
5534         recognize min/max early.  Update for changed sse cmove patterns.
5535         (ix86_split_sse_movcc): New.
5536         * config/i386/i386-protos.h: Update.
5537
5538 2005-01-13  Steven Bosscher  <stevenb@suse.de>
5539
5540         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
5541         (fix_stmt_v_may_defs): Likewise.
5542
5543 2005-01-13  Richard Henderson  <rth@redhat.com>
5544
5545         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
5546         for converting the mask.
5547
5548 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
5549
5550         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
5551         definition to 600.
5552
5553 2005-01-13  Richard Henderson  <rth@redhat.com>
5554
5555         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
5556         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
5557         IX86_BUILTIN_MOVDQ2Q): Remove.
5558         (IX86_BUILTIN_VEC_EXT_V4SI): New.
5559         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
5560         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
5561         shuffling.
5562         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
5563         (sse2_pextrw): Fix immediate constraint.
5564         (sse2_loadq, sse2_loadq_rex64): Remove.
5565         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
5566         Use __builtin_ia32_vec_ext_<size>.
5567         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
5568
5569 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
5570
5571         * function.c (assign_parm_setup_block): Look inside original
5572         entry_parm when inspecting PARALLEL.
5573
5574 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
5575             Joel Sherrill  <joel@oarcorp.com>
5576
5577         PR target/19399
5578         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
5579         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
5580         rtems_gxx_recursive_mutex_init.
5581         (__gthread_recursive_mutex_lock): New function.
5582         (__gthread_recursive_mutex_trylock): Likewise.
5583         (__gthread_recursive_mutex_unlock): Likewise.
5584
5585 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
5586
5587         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
5588
5589 2005-01-13  Jan Beulich  <jbeulich@novell.com>
5590
5591         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
5592         (ashrti3_internal): Indicate output is early clobber. Generate result
5593         into output rather than first input. Use move for low word of output
5594         if shift count is exactly 64.
5595         (lshrti3_internal): Likewise.
5596
5597 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
5598
5599         PR target/18329
5600         PR target/18330
5601         * reload1.c (delete_output_reload): Don't delete an output reload
5602         if the pseudo lives longer than a single basic block.  Adjust and
5603         improve wording of comment.
5604
5605 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
5606
5607         PR target/19334
5608         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
5609         of TYPE_SIZE where we mean the number of bytes.
5610
5611 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
5612
5613         * function.c (assign_parm_setup_block): Relax condition on
5614         multi-register optimization.
5615
5616 2005-01-12  Nick Clifton  <nickc@redhat.com>
5617
5618         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
5619         an "in_delay_slot" attribute of "no" to prevent them being used in
5620         delay slots.  This is forbidden because they might generate
5621         exceptions.
5622
5623 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
5624
5625         PR target/19389
5626         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
5627         with r->Y and Y->r.
5628
5629 2005-01-12  Nick Clifton  <nickc@redhat.com>
5630
5631         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
5632         passed on to GAS) but do not define, as GAS no longer supports or
5633         needs the -m2000 option.
5634
5635 2005-01-11  Roger Sayle  <roger@eyesopen.com>
5636
5637         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
5638         type as args of unprototyped builtins aren't automatically promoted.
5639         (fold_builtin_abs): Likewise.
5640
5641 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5642
5643         * Makefile.in: Set a `build-warn' variable.
5644
5645 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
5646
5647         PR tree-optimization/17949
5648         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
5649         (find_interesting_uses_address): Use it.
5650
5651 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
5652
5653         * regrename.c (kill_value): Handle subreg's that won't simplify.
5654
5655 2005-01-11  Richard Henderson  <rth@redhat.com>
5656
5657         PR target/13366
5658         * config/i386/i386.h (enum ix86_builtins): Move ...
5659         * config/i386/i386.c: ... here.
5660         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
5661         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
5662         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
5663         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
5664         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
5665         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
5666         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
5667         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
5668         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
5669         IX86_BUILTIN_LOADDDUP): Remove.
5670         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
5671         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
5672         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
5673         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
5674         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
5675         (ix86_init_builtins): Make static.
5676         (ix86_init_mmx_sse_builtins): Update for changed builtins.
5677         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
5678         if all the modes match.  Otherwise, fake it.
5679         (get_element_number, ix86_expand_vec_init_builtin,
5680         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
5681         (ix86_expand_builtin): Make static.  Update for changed builtins.
5682         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
5683         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
5684         (ix86_expand_vector_init_duplicate): New.
5685         (ix86_expand_vector_init_low_nonzero): New.
5686         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
5687         Split out from ix86_expand_vector_init; handle integer modes.
5688         (ix86_expand_vector_init): Use them.
5689         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
5690         * config/i386/i386-protos.h: Update.
5691         * config/i386/predicates.md (reg_or_0_operand): New.
5692         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
5693         (movv2sf_internal): Likewise.  And a splitter to match them all.
5694         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
5695         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
5696         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
5697         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
5698         (mmx_pinsrw): Fix operand ordering.
5699         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
5700         rather than sse_loadss expander.
5701         (movv2df splitter): Similarly.
5702         (sse_loadss, sse_loadlss): Remove.
5703         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
5704         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
5705         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
5706         (sse3_movddup): Rename with '*'.
5707         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
5708         (sse2_loadsd): Remove.
5709         (vec_dupv2df_sse3): Rename from sse3_loadddup.
5710         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
5711         (sse2_pinsrw): Fix argument ordering.
5712         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
5713         (sse2_stored): Remove 'r' destination.
5714         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
5715         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
5716         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
5717         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
5718         vec_extractv16qi, vec_initv16qi): New.
5719
5720         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
5721         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
5722         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
5723         constructor form.
5724         (_mm_load_pd, _mm_store_pd): Use plain dereference.
5725         (_mm_load_si128, _mm_store_si128): Likewise.
5726         (_mm_load1_pd): Use _mm_set1_pd.
5727         (_mm_load_sd): Use _mm_set_sd.
5728         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
5729         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
5730         (_mm_set_epi64): Use _mm_set_epi64x.
5731         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
5732         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
5733         _mm_setr_epi8): Use _mm_set_foo form.
5734         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
5735         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
5736         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
5737         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
5738         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
5739         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
5740         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
5741         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
5742         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
5743         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
5744         (_mm_movedup_pd): Use _mm_shuffle_pd.
5745         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
5746         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
5747         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
5748         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
5749         Use _mm_setzero_ps.
5750         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
5751         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
5752         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
5753         (_mm_store_ps): Use raw dereference.
5754         (_mm_store1_ps): Use _mm_storeu_ps.
5755         (_mm_storer_ps): Use _mm_store_ps.
5756         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
5757         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
5758
5759 2005-01-11  Stan Shebs  <shebs@apple.com>
5760
5761         * config/rs6000/rs6000.c (machopic_output_stub): Issue
5762         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
5763
5764 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
5765
5766         PR target/18761
5767         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
5768         Skip all DECLs except for FIELD_DECLs.
5769
5770 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
5771
5772         * config/s390/s390.c (override_options): Return error if
5773         -mbackchain, -mpacked-stack and -mhard-float are used together.
5774         (s390_va_start): Remove the backchain && packed-stack special case.
5775         (s390_gimplify_va_arg): Likewise.
5776         * doc/invoke.texi: Remove the ABI incompatibility note.
5777
5778 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
5779
5780         * config/s390/s390.c (struct s390_frame_layout): Remove
5781         save_backchain_p.
5782         (s390_frame_info, s390_emit_prologue): Replace occurrences of
5783         save_backchain_p with TARGET_BACKCHAIN.
5784
5785 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
5786
5787         PR target/18916
5788         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
5789         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
5790         * function.c (locate_and_pad_parm): Set new field.
5791         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
5792         Tweak where_pad test to include "none".  Always set mem align for
5793         stack_parm.
5794         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
5795         not sufficient for type.
5796         (assign_parm_setup_block): If stack_parm is zero on entry, always
5797         make a new stack local.  Block move old stack parm if necessary
5798         to new aligned stack local.
5799         (assign_parm_setup_stack): Use a block move to handle
5800         potentially misaligned entry_parm.
5801         (assign_parms_unsplit_complex): Specify required alignment when
5802         creating stack local.
5803         * calls.c (compute_argument_addresses): Override alignment of stack
5804         arg calculated from its type with the alignment given by
5805         FUNCTION_ARG_BOUNDARY.
5806         (store_one_arg): Likewise.
5807
5808 2005-01-11  Jan Beulich  <jbeulich@novell.com>
5809
5810         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
5811         Change respective itanium_class attribute to ialu.
5812         (shladdp4_internal): New.
5813         * config/ia64/predicates.md (shladd_log2_operand): New.
5814
5815 2005-01-11  Richard Henderson  <rth@redhat.com>
5816
5817         * expr.c (store_constructor): Use rtvec_alloc instead of
5818         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
5819
5820 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
5821
5822         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
5823
5824 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
5825
5826         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
5827         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
5828         (TARGET_RWRELOC): Define.
5829         (ia64_rwreloc_section_type_flags): Delete.
5830         (ia64_section_type_flags): New function.
5831         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
5832         (TARGET_RWRELOC): Define.
5833
5834 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
5835
5836         PR target/18987
5837         * config/ia64/ia64.c (process_set): For alloc insn, only call
5838         process_epilogue is !frame_pointer_needed.
5839
5840 2005-01-10  Roger Sayle  <roger@eyesopen.com>
5841
5842         PR c++/19355
5843         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
5844         unary operator and can't be treated as a binary/comparison operator.
5845
5846 2005-01-10  Richard Henderson  <rth@redhat.com>
5847
5848         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
5849         (ix86_return_in_memory): Likewise.
5850         (function_arg_advance):  Likewise.  Mirror structure in function_arg
5851         for choosing register to advance.
5852
5853 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
5854
5855         * tree-vectorizer.c, tree.def: Fix comment typos.
5856
5857 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
5858
5859         * config/s390/s390.c (struct processor_costs): 4 new fields:
5860         ddbr, ddr, debr, der.
5861         (s390_rtx_costs): More precise handling of divide instructions.
5862
5863 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
5864
5865         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
5866
5867 2005-01-10  Jan Beulich  <jbeulich@novell.com>
5868
5869         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
5870         names resulting from -ffunction-sections/-fdata-sections and linkonce
5871         ones.
5872         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
5873         based on the section name. Rearrange the section name comparison logic
5874         slightly so that each section name is compared against at most once.
5875
5876 2005-01-10  Ben Elliston  <bje@au.ibm.com>
5877
5878         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
5879         targets for which -fPIC reduces limitations on the GOT size.
5880
5881 2005-01-09  Falk Hueffner  <falk@debian.org>
5882
5883         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
5884         X/C1 cmpop C2.
5885
5886 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
5887
5888         PR target/18720
5889         * collect2.c (main): Set aixrtl_flag for -brtl option.
5890         (resolve_lib_name): Search for .so file extension before .a
5891         if aixrtl_flag set.
5892
5893 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
5894
5895         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
5896         (vect_analyze_data_refs_alignment): Add dump prints.
5897
5898 2005-01-09  Ira Rosen  <irar@il.ibm.com>
5899
5900         * tree-vectorizer.c (vect_analyze_offset_expr): Use
5901         expr_invariant_in_loop_p.
5902         Initialize outputs first thing in the function.
5903         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
5904         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
5905         (vect_analyze_pointer_ref_access): Check that the initial condition of
5906         the access function is loop invariant.
5907
5908 2005-01-09  Richard Henderson  <rth@redhat.com>
5909
5910         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
5911         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
5912         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
5913         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
5914         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
5915         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
5916         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
5917         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
5918         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
5919         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
5920         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
5921         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
5922         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
5923         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
5924         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
5925         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
5926         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
5927         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
5928         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
5929         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
5930         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
5931         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
5932         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
5933         mmx_ prefix.
5934         (mmx_clrdi, pavgusb): Remove.
5935         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
5936         with leading sse_ prefix.
5937         * config/i386/sse.md: Receive them.
5938         * config/i386/mmx.md: New file.
5939         (MMXMODE12, MMXMODE24, mmxvecsize): New.
5940         (subrv2sf3): Turn into expander for normal subtraction.
5941         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
5942         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
5943         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
5944         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
5945         commutative; use ix86_binary_operator_ok.
5946         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
5947         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
5948         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
5949         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
5950         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
5951         Macroize from existing patterns; use ix86_binary_operator_ok.
5952         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
5953         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
5954         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
5955         with vec_select+vec_concat.
5956         (mmx_pshufw, mmx_pshufw_1): Likewise.
5957         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
5958         (mmx_uavgv4hi3): Model correctly.
5959         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
5960         _mm_xor_si64): Remove casts.
5961
5962 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
5963
5964         PR tree-optimization/19224
5965         * tree-scalar-evolution.c (get_instantiated_value,
5966         set_instantiated_value): New functions.
5967         (instantiate_parameters_1): Cache the results.
5968         (instantiate_parameters, resolve_mixers): Initialize and free
5969         the cache.
5970
5971 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
5972
5973         * config/i386/i386.md (addhi_4): Correct reference in comment.
5974         (addqi_4): Same.
5975
5976 2005-01-08  Richard Henderson  <rth@redhat.com>
5977
5978         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
5979         (_mm_cvtsi128_si64x): Likewise.
5980         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
5981         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
5982         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
5983         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
5984         * config/i386/i386-protos.h: Update.
5985         * config/i386/i386.c (print_operand): Add 'H'.
5986         (ix86_fixup_binary_operands): Split out from ...
5987         (ix86_expand_binary_operator): ... here.
5988         (ix86_fixup_binary_operands_no_copy): New.
5989         (ix86_expand_fp_absneg_operator): Handle vector mode results.
5990         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
5991         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
5992         (safe_vector_operand): Use CONST0_RTX.
5993         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
5994         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
5995         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
5996         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
5997         special cases.
5998         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
5999         (IX86_BUILTIN_CMPNGESS): New.
6000         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
6001         (attr type): Add sselog1.
6002         (attr unit, attr memory): Handle it.
6003         (movti, movti_internal, movti_rex64): Move near other integer moves.
6004         (movtf, movtf_internal): Move near other fp moves.
6005         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
6006         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
6007         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
6008         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
6009         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
6010         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
6011         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
6012         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
6013         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
6014         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
6015         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
6016         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
6017         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
6018         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
6019         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
6020         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
6021         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
6022         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
6023         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
6024         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
6025         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
6026         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
6027         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
6028         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
6029         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
6030         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
6031         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
6032         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
6033         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
6034         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
6035         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
6036         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
6037         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
6038         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
6039         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
6040         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
6041         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
6042         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
6043         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
6044         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
6045         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
6046         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
6047         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
6048         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
6049         same time.
6050         (SSEPUSH, push<SSEPUSH>): Remove.
6051         (MMXPUSH, push<MMXPUSH>): Remove.
6052         (sse_movaps, sse_movaps_1, sse_movups): Remove.
6053         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
6054         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
6055         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
6056         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
6057         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
6058         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
6059         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
6060         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
6061         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
6062         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
6063         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
6064         (ppro_sse_log_V4SF): Handle sselog1.
6065         * config/i386/predicates.md (const_0_to_1_operand): New.
6066         (const_0_to_255_mul_8_operand): New.
6067         (const_1_to_31_operand): Rename from const_int_1_31_operand.
6068         (const_2_to_3_operand, const_4_to_7_operand): New.
6069         * config/i386/sse.md: New file.
6070         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
6071         (sse_movups): Rename from sse_movups_1.
6072         (sse_loadlss): Rename from sse_loadss_1.
6073         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
6074         from the name.
6075         (negv4sf2): Use ix86_expand_fp_absneg_operator.
6076         (absv4sf2, negv2df, absv2df): New.
6077         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
6078         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
6079         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
6080         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
6081         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
6082         (sse3_addsubv4sf3): Model correctly.
6083         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
6084         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
6085         (sse_movhlps): Model with vec_select+vec_concat.
6086         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
6087         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
6088         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
6089         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
6090         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
6091         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
6092         sse2_pshufhw_1): Likewise.
6093         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
6094         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
6095         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
6096         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
6097         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
6098         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
6099         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
6100         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
6101         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
6102         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
6103         sminv8hi3): Mark commutative
6104         operands.  Use ix86_binary_operator_ok.
6105         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
6106         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
6107         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
6108         sse2_punpcklqdq): Allow operand2 in memory.
6109         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
6110         sse2_movsd): Add memory alternatives.
6111         (sse_storelps): Turn expander into an insn; split after reload.
6112         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
6113         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
6114
6115 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
6116
6117         * configure.ac (DWARF-2 debug_line): Use objdump.
6118         * configure: Regenerate.
6119
6120 2005-01-08  Jeff Law  <law@redhat.com>
6121             Diego Novillo  <dnovillo@redhat.com>
6122
6123         PR tree-optimization/18241
6124         * tree-nrv.c (tree_nrv): Ignore volatile return values.
6125         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
6126         statements with volatile operands.
6127         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
6128         operands after marking a statement with has_volatile_ops.
6129
6130 2005-01-08  Roger Sayle  <roger@eyesopen.com>
6131
6132         * tree.c (int_fits_type_p): Always honor integer constant
6133         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
6134
6135 2005-01-08  Roger Sayle  <roger@eyesopen.com>
6136
6137         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
6138         the latent bug in rtl_delete_block has been resolved.
6139
6140 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
6141
6142         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
6143         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
6144
6145 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
6146
6147         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
6148         library as @multilib_dir@/$(SHLIB_SONAME).
6149
6150 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
6151
6152         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
6153         * configure: Regenerate.
6154
6155 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
6156
6157         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
6158         TYPE_MODE.
6159
6160 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
6161
6162         PR target/13674
6163         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
6164         Convert non-word aligned offset address using ld/std into
6165         indirect address.
6166
6167 2005-01-07  Richard Henderson  <rth@redhat.com>
6168
6169         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
6170
6171 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
6172
6173         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
6174
6175 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
6176
6177         PR tree-optimization/19283
6178         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
6179         is not shorter than the original type.
6180
6181         PR rtl-optimization/19012
6182         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
6183
6184         PR rtl-optimization/18861
6185         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
6186         (FULL_STATE): Define.
6187         (mark_tablejump_edge): New function.
6188         (purge_dead_tablejump_edges): New function.
6189         (find_bb_boundaries): Use it.
6190
6191         PR tree-optimization/18828
6192         * builtins.c (expand_builtin_next_arg): Remove argument and all
6193         the argument checking.
6194         (expand_builtin): Adjust caller.
6195         (expand_builtin_va_start): Likewise.  Remove error for too many
6196         arguments.
6197         (fold_builtin_next_arg): Issue error for too many arguments.
6198         After checking arguments, replace them with magic arguments that
6199         prevent further checking of the args.
6200
6201 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6202
6203         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
6204
6205 2005-01-06  Roger Sayle  <roger@eyesopen.com>
6206
6207         PR target/6077
6208         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
6209         and %{.S:...} (and their negative variants) to test whether the
6210         input file is assembler or pre-processed-assembler independent of
6211         the actual filename extension.
6212
6213 2005-01-06  Roger Sayle  <roger@eyesopen.com>
6214
6215         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
6216         of sign or zero extended values.
6217
6218 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
6219
6220         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
6221         for IBM long double format correctly.
6222
6223 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
6224
6225         Fix PR tree-optimization/18792
6226
6227         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
6228         to first_loop_depth, and use loop depth instead of loop number.
6229         (build_classic_dir_vector): Ditto.
6230         (compute_data_dependences_for_loop): Use depth, not loop number.
6231         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
6232         number. Pass in loops, instead of loop numbers.
6233         (gather_interchange_stats): Ditto.
6234         (linear_transform_loops): Ditto.
6235
6236 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
6237
6238         PR rtl-opt/13299
6239         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
6240         biv_fits_mode_p, extension_within_bounds_p): New functions.
6241         (check_ext_dependent_givs): Use them.
6242
6243 2005-01-06  Roger Sayle  <roger@eyesopen.com>
6244
6245         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
6246         more than one barrier, in which case we should delete them all.
6247
6248 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
6249
6250         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
6251
6252 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
6253
6254         Fix PR middle-end/19286
6255         Fix PR debug/19267
6256         * dwarf2out.c (gen_subprogram_die): If we've already tried to
6257         output this subprogram, simply ignore this attempt to do it again.
6258         (add_abstract_origin_attribute): Don't abort trying to add the abstract
6259         origin attribute if it's not possible.
6260         (gen_block_die): Don't ignore subblocks of "unused" blocks.
6261         (decls_for_scope): Ditto.
6262         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
6263         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
6264
6265 2005-01-05  Richard Henderson  <rth@redhat.com>
6266
6267         PR target/11327
6268         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
6269         (bdesc_2arg): Use it.
6270         (ix86_expand_binop_builtin): Force operands into registers
6271         when optimizing.
6272         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
6273         ix86_expand_sse_compare, ix86_expand_sse_comi,
6274         ix86_expand_builtin): Likewise.
6275
6276 2005-01-05  Richard Henderson  <rth@redhat.com>
6277
6278         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
6279         and VEC_SELECT.
6280         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
6281         (mulv4hi3): Set itanium_class mmmul.
6282         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
6283         (fpack): Rename from fpack_sfsf.
6284
6285 2005-01-05  Richard Henderson  <rth@redhat.com>
6286
6287         PR rtl-opt/10692
6288         * reload1.c (do_input_reload): Restrict the optimization deleteing
6289         a previous output reload to RELOAD_FOR_INPUT.
6290
6291 2005-01-05  Steven Bosscher  <stevenb@suse.de>
6292
6293         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
6294         comment that we fall through after case.
6295         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
6296         (distribute_links): Likewise.
6297         * cse.c (cse_insn): Likewise.
6298         * cselib.c (cselib_invalidate_mem): Likewise.
6299         * df.c: Update comments at the top of the file.
6300         (read_modify_subreg_p): Update comments here too.
6301         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
6302         * flow.c (mark_set_1): Likewise.
6303         (mark_used_regs): Likewise.
6304         * gcse.c (mems_conflict_for_gcse_p): Likewise.
6305         (canon_list_insert): Likewise.
6306         (mark_set): Likewise.
6307         (try_replace_reg): Likewise.
6308         (store_killed_in_insn): Likewise.
6309         * loop.c (count_one_set): Likewise.
6310         (basic_induction_var): Likewise.
6311         * postreload-gcse.c (find_mem_conflicts): Likewise.
6312         * postreload.c (reload_combine_note_store): Likewise.
6313         (move2add_note_store): Likewise.
6314         * reload.c (find_equiv_reg): Likewise.
6315         (mark_referenced_resources): Likewise.
6316         * rtlanal.c (set_noop_p): Likewise.
6317         (note_stores): Likewise.
6318         (note_uses): Likewise.
6319         * sched-deps.c (sched_analyze_1): Likewise.
6320         * sched-rgn.c (check_live_1): Likewise.
6321         (update_live_1): Likewise.
6322         * config/i860/i860.c: Likewise.
6323
6324         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
6325         an lvalue.
6326         (ZERO_EXTRACT): Mention that this one can be an lvalue.
6327
6328         * doc/rtl.texi: Update documentation for bit-fields and SET.
6329
6330 2005-01-05  Roger Sayle  <roger@eyesopen.com>
6331
6332         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
6333
6334 2005-01-05  Jan Hubicka  <jh@suse.cz>
6335             Richard Henderson  <rth@redhat.com>
6336
6337         PR target/18910
6338         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
6339         with an offset.
6340
6341 2005-01-05  Richard Henderson  <rth@redhat.com>
6342
6343         PR target/12902
6344         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
6345         (sse_shufps): Change operand 3 to const_int_operand.
6346         (sse2_storelps): Fix typo in template.
6347         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
6348         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
6349         (ix86_expand_builtin): Likewise.
6350
6351 2005-01-05  Julian Brown  <julian@codesourcery.com>
6352
6353         * config/arm/arm.c (arm_return_in_memory): Treat complex types
6354         as aggregates for AAPCS ABIs.
6355
6356 2005-01-05  Stan Shebs  <shebs@apple.com>
6357
6358         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
6359         Mach-O getters if ppc64.
6360         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
6361         size argument.
6362         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
6363         signed four-byte field for global code case.
6364         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
6365
6366 2005-01-05  Roger Sayle  <roger@eyesopen.com>
6367
6368         PR middle-end/19100
6369         * c-common.c: Include real.h.
6370         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
6371         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
6372         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
6373         * Makefile.in (c-common.o): Update dependencies.
6374
6375 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
6376
6377         * c-parse.in (asm_string): Add trailing semicolon.
6378
6379 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
6380
6381         * c-parse.in (asm_string): New.  Don't allow wide strings in
6382         'asm'.
6383         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
6384         asm_string instead of STRING.
6385
6386 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
6387
6388         * c-typeck.c (constructor_no_implicit): Remove.
6389         (set_designator, process_init_element): Don't check
6390         constructor_no_implicit.
6391
6392 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
6393             Kaz Kojima  <kkojima@gcc.gnu.org>
6394
6395         PR target/16482
6396         * lcm.c (create_pre_exit): New.
6397         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
6398         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
6399
6400 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
6401
6402         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
6403         -msoft-float in target_float_switch.
6404         * arm.c (arm_override_options): Fix processing of target_float_switch.
6405
6406 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
6407
6408         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
6409         preferencing.
6410
6411 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
6412
6413         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
6414         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
6415
6416 2005-01-04  Roger Sayle  <roger@eyesopen.com>
6417
6418         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
6419         if deleting the then-block allows the test-block to fallthru to the
6420         else-block.
6421
6422 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
6423
6424         PR c/19152
6425         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
6426         after the full declaration if the are in two different TUs.
6427
6428 2005-01-04  Richard Henderson  <rth@redhat.com>
6429
6430         PR tree-opt/19158
6431         * tree-sra.c (generate_one_element_init): Just
6432         call gimplify_and_add.
6433         (generate_element_init): Record the
6434         new referenced variables and mark them for renaming
6435         and split out to ...
6436         (generate_element_init_1): This.
6437         (scalarize_init): Don't call push_gimplify_context/
6438         pop_gimplify_context.
6439
6440 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
6441
6442         * toplev.c (get_src_pwd): Handle failure of getpwd().
6443
6444 2005-01-04  Roger Sayle  <roger@eyesopen.com>
6445
6446         * fold-const.c (fold_single_bit_test): Delete unreachable handling
6447         of TRUTH_NOT_EXPR.
6448         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
6449         all the cases handled by it are inverted by invert_truthvalue.
6450
6451 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
6452
6453         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
6454         (save_register_windowsi): Likewise.
6455
6456 2005-01-04  Richard Henderson  <rth@redhat.com>
6457
6458         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
6459
6460 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
6461
6462         PR middle-end/17767
6463         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
6464         any simplifications of vector mode comparison operators.
6465         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
6466
6467 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
6468             Devang Patel  <dpatel@apple.com>
6469
6470         PR tree-optimization/18308
6471         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
6472         the operands before creating a new expression.
6473         * dojump.c (do_jump): Make drop_through_label available
6474         for all cases.  Add expansion of COND_EXPR.
6475
6476 2005-01-04  Ira Rosen  <irar@il.ibm.com>
6477
6478         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
6479         INTEGER_CST instead of TREE_CONSTANT.
6480         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
6481         instead of TREE_CONSTANT.
6482         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
6483         instead of TREE_CONSTANT.
6484
6485 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
6486
6487         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
6488
6489 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
6490
6491         PR target/19240
6492         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
6493         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
6494
6495 2005-01-03  Richard Henderson  <rth@redhat.com>
6496
6497         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
6498         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
6499         fold_convert_const_real_from_real): Split out from ...
6500         (fold_convert_const): ... here.
6501
6502 2005-01-03  Richard Henderson  <rth@redhat.com>
6503
6504         PR target/19235
6505         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
6506         (mov<MMXMODEI>_internal): Likewise.
6507         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
6508         Add V2SF case; use it for SSE1; don't use TI.
6509         (movdf_integer): Likewise.
6510         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
6511
6512 2005-01-03  Ira Rosen  <irar@il.ibm.com>
6513
6514         * tree-vectorizer.c (vect_strip_conversions): New function.
6515         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
6516         check for binary class.
6517
6518 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
6519
6520         Fix PR debug/17924
6521         Fix PR debug/19191
6522         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
6523         is a decl.
6524         * gimple-low.c (mark_blocks_with_used_vars): New function.
6525         (mark_blocks_with_used_subblocks): Ditto.
6526         (mark_used_blocks): Ditto.
6527         (pass_mark_used_blocks): New pass.
6528         * tree-inline.c: Include debug.h.
6529         (expand_call_inline): Call outlining_inline_function here.
6530         * tree-optimize.c (init_tree_optimization_passes): Add
6531         pass_mark_used_blocks.
6532         * tree-pass.h (pass_mark_used_blocks): New.
6533         * Makefile.in (tree-inline.o): Add debug.h dependency.
6534
6535 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
6536
6537         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
6538         VAR_DECLs to have weak_import attribute.
6539
6540         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
6541         'struct ucontext'.
6542
6543 2004-01-03  Steven Bosscher  <stevenb@suse.de>
6544
6545         * passes.c (rest_of_compilation): Don't run regmove if only
6546         flag_expensive_optimizations, require flag_regmove instead.
6547
6548 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
6549
6550         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
6551         register "sparc".
6552         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
6553         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
6554         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
6555         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
6556
6557 2005-01-03  Richard Henderson  <rth@redhat.com>
6558
6559         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
6560         (ia64_const_ok_for_letter_p): New.
6561         (ia64_const_double_ok_for_letter_p): New.
6562         (ia64_extra_constraint): New.
6563         (ia64_expand_vecint_compare): New.
6564         (ia64_expand_vcondu_v2si): New.
6565         (ia64_expand_vecint_cmov): New.
6566         (ia64_expand_vecint_minmax): New.
6567         (ia64_print_operand): Add 'v'.
6568         (ia64_preferred_reload_class): New.
6569         (ia64_vector_mode_supported_p): New.
6570         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
6571         (PREFERRED_RELOAD_CLASS): Move to function.
6572         (CONST_OK_FOR_LETTER_P): Move to function.
6573         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
6574         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
6575         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
6576         (EXTRA_CONSTRAINT): Move to function.
6577         * config/ia64/ia64.md: Include vect.md.
6578         (itanium_class): Add mmalua.
6579         (type): Handle it.
6580         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
6581         (1b_mmalua): New.
6582         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
6583         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
6584         CONST0_RTX.
6585         (const_int_2bit_operand): New.
6586         (fr_reg_or_0_operand): New.
6587         * config/ia64/ia64-modes.def: Add vector modes.
6588         * config/ia64/ia64-protos.h: Update.
6589         * config/ia64/vect.md: New file.
6590
6591 2005-01-03  Richard Henderson  <rth@redhat.com>
6592
6593         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
6594
6595 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
6596
6597         PR target/19236
6598         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
6599         to SFmode.
6600         (log1pdf2): Change mode of operands[0,1] to DFmode.
6601
6602 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
6603
6604         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
6605         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
6606         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
6607         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
6608         SPARC_RELAXED_ORDERING.
6609
6610 2005-01-03  Richard Henderson  <rth@redhat.com>
6611             Uros Bizjak  <uros@kss-loka.si>
6612
6613         PR target/14631
6614         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
6615         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
6616         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
6617         handling.
6618         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
6619         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
6620         const_pow2_1_to_128_operand): New predicates.
6621
6622 2005-01-02  Greg McGary  <greg@mcgary.org>
6623
6624         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
6625         anonymous decls.
6626         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
6627         object.  [ptr_type]: Remove unused variable.
6628         Remember nearest addressable array-element or record-component
6629         when checking bitfield components.  Tolerate empty BIND_EXPR.
6630
6631 2005-01-01  Richard Henderson  <rth@redhat.com>
6632
6633         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
6634         that don't narrow the value.  Fail for other conversions.
6635
6636 2005-01-01  Richard Henderson  <rth@redhat.com>
6637
6638         PR c/19031
6639         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
6640         * c-lang.c (finish_file): Don't do it here.
6641         * objc/objc-act.c (objc_finish_file): Likewise.
6642
6643         * cgraph.c (decl_assembler_name_equal): New.
6644         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
6645         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
6646         * cgraph.h (struct cgraph_varpool_node): Add next.
6647         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
6648         * varasm.c (assemble_alias): Mark the target as needed.
6649
6650 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
6651
6652         PR middle-end/19221
6653         * function.c (get_arg_pointer_save_area): Use entry_of_function
6654         instead of get_insns.
6655
6656 2005-01-01  Roger Sayle  <roger@eyesopen.com>
6657             Andrew Pinski  <pinskia@physics.uc.edu>
6658             James E. Wilson  <wilson@specifixinc.com>
6659
6660         PR rtl-optimization/12092
6661         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
6662         is zero.
6663
6664 2005-01-01  Roger Sayle  <roger@eyesopen.com>
6665             Olivier Hainque  <hainque@act-europe.fr>
6666
6667         * tree.c (int_fits_type_p): A narrower type always fits in a
6668         wider one, except for negative values into unsigned types.
6669
6670 2005-01-01  Roger Sayle  <roger@eyesopen.com>
6671
6672         * tree.c (int_fits_type_p): Compare the result of force_fit_type
6673         with the original constant rather than require TREE_OVERFLOW.
6674
6675 2005-01-01  Steven Bosscher  <stevenb@suse.de>
6676
6677         PR middle-end/17544
6678         * c-decl.c (finish_function): If compiling C99, annotate the
6679         compiler generated return with the current file name and line 0.
6680         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
6681         the source line is greater than 0.
6682         (remove_bb): Likewise.
6683
6684 See ChangeLog.12 for earlier changes.