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