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