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