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