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1 2005-04-20  Ian Lance Taylor  <ian@airs.com>
2
3         * c-common.def: Remove STMT_EXPR (moved to cp/cp-tree.def).
4         * c-common.h (STMT_EXPR_STMT): Don't define.
5         (STMT_EXPR_NO_SCOPE): Don't define.
6         * c-dump.c (c_dump_tree): Don't handle STMT_EXPR.
7         * c-pretty-print.c (pp_c_primary_expression): Likewise.
8         (pp_c_expression): Likewise.
9
10 2005-04-20  Richard Henderson  <rth@redhat.com>
11
12         PR target/21100
13         * config/i386/mmx.md (push<MMXMODE>1): Fix predicate thinko.
14
15 2005-04-20  Jeff Law  <law@redhat.com>
16
17         * reload1.c (reload): Ignore equivalences between pseudos and
18         read only memory.
19
20 2005-04-20  Joseph S. Myers  <joseph@codesourcery.com>
21
22         PR c/12913
23         * c-tree.h (struct c_label_list): Update comment.
24         (struct c_label_context): Rename to struct c_label_context_se.
25         (label_context_stack): Rename to label_context_stack_se.
26         (C_DECL_UNJUMPABLE_VM, C_DECL_UNDEFINABLE_VM, struct
27         c_label_context_vm, label_context_stack_vm, c_begin_vm_scope,
28         c_end_vm_scope): New.
29         (C_DECL_DECLARED_BUILTIN, C_DECL_USED): Use FUNCTION_DECL_CHECK.
30         * c-decl.c (pop_scope): Call c_end_vm_scope.
31         (pushdecl): Call c_begin_vm_scope for variably modified
32         declarations.
33         (define_label): Check for jumping into scope of identifier with
34         variably modified type.  Push label on stack for those defined at
35         current context of identifiers with variably modified type.
36         (start_function): Create stack level for context of identifiers
37         with variably modified type.
38         (finish_function): Pop stack level for context of identifiers with
39         variably modified type.
40         * c-typeck.c (label_context_stack): Rename to
41         label_context_stack_se.
42         (label_context_stack_vm, c_begin_vm_scope, c_end_vm_scope): New.
43         (c_finish_goto_label): Check for jumping into scope of identifier
44         with variably modified type.  Push label on stack for those jumped
45         to from current context of identifiers with variably modified
46         type.
47         (struct c_switch): Add blocked_vm.
48         (c_start_case): Initialize blocked_vm.
49         (do_case): Check blocked_vm.
50         (c_finish_case): Add comment.
51         (c_begin_stmt_expr, c_finish_stmt_expr): Update for renamed
52         variable label_context_stack.
53
54 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
55
56         * tree-ssa-phiopt.c (tree_ssa_phi_opt): Update calls to
57         conditional_replacement, value_replacement, abs_replacement,
58         minmax_replacement.
59         (replace_phi_edge_with_variable): Remove argument BB.
60         (conditional_replacement, value_replacement,
61         minmax_replacement, abs_replacement): Remove argument PHI_BB.
62         Update a call to replace_phi_edge_with_variable.
63
64         * tree-ssa-phiopt.c: Fix comments.
65
66 2005-04-20  Michael Matz  <matz@suse.de>
67
68         PR20973
69         * reload.c (push_reload, find_dummy_reload): Check for uninitialized
70         pseudos.
71
72 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
73
74         * tree-ssa-phiopt.c: Fix comment typos.
75
76         PR tree-optimization/21116
77         * tree-ssa-phiopt.c: Fix a typo.
78
79 2005-04-19  Richard Henderson  <rth@redhat.com>
80
81         * builtins.c (expand_builtin_sync_operation): Revert last change.
82         * optabs.c (expand_bool_compare_and_swap): Compare vs old value,
83         not vs new value.
84         (expand_compare_and_swap_loop): Likewise.
85         (expand_sync_operation): Remove fallback from NAND to AND; invert
86         memory operand when expanding from cmpxchg.
87         (expand_sync_fetch_operation): Likewise.
88         * doc/extend.texi (Atomic Builtins): Fix docs for nand and
89         compare-and-swap.
90
91         * config/alpha/alpha.c (alpha_split_atomic_op): Invert memory operand
92         when implementing NAND.  Fix double-add for AFTER.
93         * config/alpha/sync.md (sync_nand<I48MODE>): Invert memory operand.
94         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
95         (sync_compare_and_swap<I48MODE>): Fix compare vs zero.  Return old
96         memory value.
97         (sync_lock_test_and_set<I48MODE>): Remove extra label and last
98         memory barrier.
99
100         * config/i386/sync.md (sync_compare_and_swap<IMODE>): Fix pattern
101         to return old memory value.
102         (sync_compare_and_swap_cc<IMODE>): Likewise.
103
104         * config/ia64/ia64.c (ia64_dependencies_evaluation_hook): Early
105         return pre-reload.  Don't consider output or anti dependencies.
106         * config/ia64/sync.md (IMODE): New.
107         (modesuffix): Add QI and HI.
108         (memory_barrier): Simplify expansion.
109         (sync_compare_and_swap<IMODE>): Use IMODE, not I48MODE.
110         (cmpxchg_acq_<IMODE>): Likewise.
111         (sync_lock_test_and_set<IMODE>): Likewise.
112         (sync_lock_release<IMODE>): Likewise.
113
114 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
115
116         * fold-const.c (fold_binary): Fold ~(X ^ Y) to ~X ^ Y or X ^ ~Y if
117         ~X or ~Y simplify.
118
119 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
120
121         * fold-const (fold_binary):  Fold ~X ^ ~ Y to X ^ Y.
122
123 2005-04-20  Michael Pogue  <michael.pogue@sun.com>
124             Joseph S. Myers  <joseph@codesourcery.com>
125
126         * c.opt (Wint-to-pointer-cast, Wpointer-to-int-cast): New options.
127         * c-typeck.c (build_c_cast): Check these options.
128         * doc/invoke.texi: Document these options.
129
130 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
131
132         * tree-ssa-phiopt.c: Update a comment about the pass.
133
134 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
135
136         * tree-ssa-phiopt.c, config/arm/arm.c, config/fr30/fr30.md,
137         config/mcore/mcore.c: Fix comment typos.
138
139 2005-04-19  Daniel Jacobowitz  <dan@codesourcery.com>
140
141         * Makefile.in (libgcc.mk): Pass GCC_FOR_TARGET.
142         * mklibgcc.in: Use $GCC_FOR_TARGET instead of ./xgcc.
143
144 2005-04-19  Paul Brook  <paul@codesourcery.com>
145
146         * config/arm/arm.c (arm_init_libfuncs): Clear mod optabs. 
147
148 2005-04-19  Andrew Haley  <aph@redhat.com>
149
150         PR java/21022
151         * dbxout.c (dbxout_type_fields): Check DECL_IGNORED_P before
152         looking at a field's bitpos.
153
154 2005-04-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
155
156         * system.h (fopen, fdopen, freopen): Define these to the unlocked
157         libiberty functions.
158
159 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
160
161         PR tree-optimization/21096
162         * tree-ssa-copy.c (fini_copy_prop): Free cached_last_copy_of.
163
164 2005-04-19  Alan Modra  <amodra@bigpond.net.au>
165
166         PR target/21098
167         * config/rs6000/rs6000.c (rs6000_elf_end_indicate_exec_stack): New.
168         * config/rs6000/linux64.h (TARGET_ASM_FILE_END): Use the above.
169
170 2005-04-19  Alexandre Oliva  <aoliva@redhat.com>
171
172         * tree-cfg.c (dump_function_to_file): Use cfun info only if it
173         refers to the function being dumped.
174
175 2005-04-18  Daniel Jacobowitz  <dan@codesourcery.com>
176
177         * varasm.c (assemble_start_function): Remove reset of in_section.
178
179 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
180
181         PR tree-optimization/21085
182         * fold-const (fold_binary): Don't change X % -C to X % C if C has
183         overflowed.
184
185 2005-04-19  Ben Elliston  <bje@au.ibm.com>
186
187         * doc/invoke.texi (Optimize Options): Refer to the correct
188         optimisation flag -ftree-dominator-opts, not -ftree-dom.
189
190 2005-04-18  Christopher Jaillet <christophe.jaillet@wanadoo.fr>
191
192         * config/rs6000/rs6000.c (machopic_output_stub):  Increase
193         alloca argument to be big enough.
194
195 2005-04-18  Alexandre Oliva  <aoliva@redhat.com>
196
197         PR middle-end/21049
198         * tree-cfg.c (dump_function_to_file): Do not crash if cfun or
199         cfun->cfg are NULL.
200
201 2005-04-18  Tom Tromey  <tromey@redhat.com>
202
203         * cgraphunit.c (cgraph_finalize_compilation_unit): Fix a comment
204         typo.
205
206 2005-04-18  Richard Henderson  <rth@redhat.com>
207
208         * config/alpha/alpha.c (alpha_split_atomic_op): New.
209         (alphaev5_insn_pipe): Add LD_L, ST_C, MB types.
210         (alphaev4_insn_pipe): Likewise.  Correct IST and LDSYM pipes.
211         * config/alpha/alpha-protos.h: Update.
212         * config/alpha/alpha.md (UNSPECV_MB, UNSPECV_LL, UNSPECV_SC): New.
213         (UNSPECV_ATOMIC, UNSPECV_CMPXCHG, UNSPECV_XCHG): New.
214         (attr type): Add ld_l, st_c, mb.
215         (andsi_internal, andnotsi3, iorsi_internal, one_cmplsi_internal,
216         iornotsi3, xorsi_internal, xornotsi3): New.
217         * config/alpha/ev4.md (ev4_ld): Add ld_l.
218         (ev4_ist_c, ev4_mb): New.
219         * config/alpha/ev5.md (ev5_st): Add st_c, mb.
220         (ev5_ld_l): New.
221         * config/alpha/ev6.md (ev6_ild): Add ld_l.
222         (ev6_ist): Add st_c.
223         (ev6_mb): New.
224         * config/alpha/sync.md: New file.
225
226 2005-04-18  Richard Henderson  <rth@redhat.com>
227
228         * builtins.c (expand_builtin_sync_operation): Fold nand to and
229         for constants.
230
231         * optabs.c (expand_sync_operation): Fix typo expanding nand to and.
232
233 2005-04-18  Devang Patel  <dpatel@apple.com>
234
235         * config/rs6000/atlivec.md (mulv4si3): New pattern.
236         
237 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
238
239         PR tree-optimization/20922
240         * fold-const.c (fold_binary): Fold X - c > X and X + c < X to false.
241         Fold X + c >= X and fold X - c <= X to true.
242
243 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
244
245         * config/ia64/unwind-ia64.c (emergency_reg_state_free): Make an
246         unsigned int.
247         (emergency_labeled_state_free): Likewise.
248
249 2005-04-18  Nick Clifton  <nickc@redhat.com>
250
251         * config/h8300/h8300.md (jump): Remove prescan parameter from
252         calls to final_scan_insn.
253
254         * config/arc/arc.c (arc_output_function_epilogue): Remove prescan
255         parameter from calls to final_scan_insn.
256
257         * config.gcc (m68hc12): Use the m68hc11.opt file for target
258         specific options.
259         (v850e, v850e1): Use the v850.opt file for target specific
260         options.
261
262 2005-04-18  Kazu Hirata  <kazu@cs.umass.edu>
263
264         PR tree-optimization/21001
265         * tree-optimize.c (init_tree_optimization_passes): Move the
266         first pass_forwprop immediately before pass_vrp.
267
268 2005-04-17  Ian Lance Taylor  <ian@airs.com>
269
270         * c-common.def (SIZEOF_EXPR, ARROW_EXPR, ALIGNOF_EXPR): Remove.
271         * c-common.c (c_sizeof_or_alignof_type): Change second parameter
272         from enum tree_code op to bool is_sizeof.
273         * c-common.h (c_sizeof_or_alignof_type): Update declaration.
274         (c_sizeof, c_alignof): Update calls to c_sizeof_or_alignof_type.
275         * c-pretty-print.c (pp_c_postfix_expression): Remove ARROW_EXPR
276         case.
277         (pp_c_unary_expression): Remove SIZEOF_EXPR and ALIGNOF_EXPR
278         cases.
279         (pp_c_expression): Remove ARROW_EXPR, SIZEOF_EXPR, and
280         ALIGNOF_EXPR cases.
281
282 2005-04-17  Ian Lance Taylor  <ian@airs.com>
283
284         * system.h: Poison DONT_ACCESS_GBLS_AFTER_EPILOGUE.
285
286 2005-04-17  Richard Henderson  <rth@redhat.com>
287
288         * config/alpha/alpha.c (va_list_skip_additions): Only define if
289         TARGET_ABI_OSF.
290         (TARGET_STDARG_OPTIMIZE_HOOK): Likewise.
291         (alpha_stdarg_optimize_hook): Likewise.  Allow for one more round
292         of indirection through ssa names while looking for the gpr counter
293         field.
294         (alpha_setup_incoming_varargs) <TARGET_ABI_OSF>: Make use of the
295         saved va_list_gpr_size and va_list_fpr_size.
296
297 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
298
299         * tree-vrp.c (compare_values): Check that VAL1 and VAL2 are
300         both pointers or both integers.
301
302         * tree-vrp.c (maybe_add_assert_expr): Don't assert
303         ASSERT_EXPRs for single-use variable.
304
305         * tree-into-ssa.c: Fix a comment typo.
306
307 2005-04-17  Richard Sandiford  <rsandifo@redhat.com>
308
309         * config/mips/iris6.h (DRIVER_SELF_SPECS): Check -march as well as
310         -mipsN before forcing a default of -mips2.
311
312 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
313
314         * predict.h (IS_TAKEN): Remove.
315         * rtl.h (NOTE_PREDICTION): Likewise.
316
317         * modulo-sched.c (CFG_HOOKS): Remove.
318
319         * c-parser.c (N_C_TTYPES): Remove.
320
321         * tree-flow-inline.h (get_stmt_operands): Remove.
322         * lambda-code.c, tree-ssa-loop-unswitch.c,
323         tree-ssa-operands.c, tree-ssa-pre.c, tree-ssa-propagate.c,
324         tree-ssa-sink.c, tree-ssa.c, tree-tailcall.c,
325         tree-vect-transform.c, tree-vectorizer.c, tree-vrp.c): Remove
326         calls to get_stmt_operands.
327         * doc/tree-ssa.texi: Don't mention get_stmt_operands.
328
329 2005-04-17  Richard Henderson  <rth@redhat.com>
330
331         PR target/20375
332         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Advance a copy
333         of CUMULATIVE_ARGS past the last named argument.
334         (alpha_va_start): Expect pretend_args_size only if strictly less than
335         6 named arguments.
336
337 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
338
339         PR middle-end/21024
340         * builtins.c (expand_builtin_strcat): Convert the result of
341         strlen to the right type.
342         * fold-const.c (fold_binary) <PLUS_EXPR>: Use fold_convert to
343         avoid creating type mismatches.
344         <GE_EXPR>: Pass op0 and op1 to fold_build2 to avoid creating
345         type mismatches.
346
347         * c-lex.c (WCHAR_TYPE_SIZE, WCHAR_BYTES): Remove.
348
349 2005-04-16  Richard Henderson  <rth@redhat.com>
350
351         PR target/21051
352         * builtins.c (expand_builtin) <BUILT_IN_BOOL_COMPARE_AND_SWAP_*>:
353         Use the mode of boolean_type_node when the user doesn't provide one.
354         * config/ia64/sync.md (sync_lock_release<I48MODE>): Use operand 1.
355
356 2005-04-16  Alexandre Oliva  <aoliva@redhat.com>
357
358         PR target/20126
359         * loop.c (loop_givs_rescan): Handle non-replaceable (plus (reg)
360         (const)).
361
362         * tree-scalar-evolution.c (interpret_rhs_modify_expr): Fix typo in
363         comment.
364
365 2005-04-16  Roger Sayle  <roger@eyesopen.com>
366             Steven Bosscher  <stevenb@suse.de>
367
368         * fold-const.c (fold_binary_to_constant): Delete obsolete comment.
369         (fold_unary_to_constant): Likewise.
370
371 2005-04-16  Kazu Hirata  <kazu@cs.umass.edu>
372
373         * basic-block.h: Adjust the value of PROP_SCAN_DEAD_STORES,
374         PROP_ASM_SCAN.
375
376 2005-04-16  Gerald Pfeifer  <gerald@pfeifer.com>
377
378         * doc/install.texi (Specific): Avoid using asterisks in @anchor
379         names related to target triplets.
380         Remove i?86-*-esix from platform directory.
381         Remove powerpc-*-eabiaix from platform directory.
382
383 2005-04-16  Joseph S. Myers  <joseph@codesourcery.com>
384
385         PR middle-end/20491
386         * config/ia64/ia64.c (rtx_needs_barrier): Recurse instead of
387         falling through from SUBREG case to REG.
388
389 2005-04-15  Roger Sayle  <roger@eyesopen.com>
390
391         * fold-const.c (fold_relational_hi_lo): Delete function and prototype.
392         (fold_binary): Update comment mentioning fold_relational_hi_lo.
393         (fold_binary_to_constant): Simplify using fold_binary.
394         (fold_unary_to_constant): Likewise, simplify using fold_unary.
395
396 2005-04-15  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
397
398         * gthr-posix.c (pthread_cancel): Define.
399         (pthread_mutexattr_init): Likewise.
400         (pthread_mutexattr_settype): Likewise.
401         (pthread_mutexattr_destroy): Likewise.
402
403 2005-04-15  David S. Miller  <davem@davemloft.net>
404
405         PR target/20673
406         * config/sparc/sparc.h (sparc_hard_reg_printed): Mark as GTY(()).
407
408 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
409
410         PR tree-optimization/21031
411         * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): New.
412         (forward_propagate_into_cond_1): Call it.  Forward propagate
413         integer-integer casts into COND_EXPRs.
414
415 2005-04-15  Dave Korn  <dave.korn@artimi.com>
416
417         * gcc.c (default_compilers): Clarify obscure error message when
418         reading from standard input.
419
420 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
421
422         * basic-block.h (PROP_EQUAL_NOTES): Remove.
423         * flow.c (propagate_one_insn): Don't use PROP_EQUAL_NOTES.
424
425         * tree-ssa-alias.c (init_alias_info): Remove a call to
426         get_stmt_operands.
427
428 2005-04-15  Andrew MacLeod  <amacleod@redhat.com>
429
430         * tree-vect-analyze.c (vect_stmt_relevant_p): Process immediate uses
431         of non-virtual PHI nodes like we use to.
432
433 2005-05-15  Paolo Bonzini  <bonzini@gnu.org>
434
435         * genattrtab.c (ATTR_EQ_ATTR_P): Remove.
436         (attr_copy_rtx): Do not use it.
437
438 2005-04-15  Andrew Macleod  <amacleod@redhat.com>
439
440         * doc/tree-ssa.texi: Grammer/abbreviation updates.
441
442 2005-04-15  Diego Novillo  <dnovillo@redhat.com>
443
444         * tree-vect-transform.c (vectorizable_store): Mark necessary
445         objects in the vectorized store needing renaming.  Update the
446         SSA graph for V_MAY_DEF operands in the original store.
447
448 2005-04-14  Daniel Berlin <dberlin@dberlin.org>
449
450         * tree-ssa-pre.c (compute_avail): It's okay to have
451         TREE_INVARIANT's here, and value number the resulting expressions.
452         (create_expression_by_pieces): Make sure operands that were
453         min_invariant when we started, stay that way.
454
455 2005-04-15  David Edelsohn  <edelsohn@gnu.org>
456
457         * doc/install.texi (*-ibm-aix*): Add comment about system limits.
458
459 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
460
461         PR tree-optimization/20936.
462         * tree-ssa-ccp.c (visit_assignment): Fix a typo.
463
464 2005-04-15  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
465
466         * doc/invoke.texi: Fix typos.
467         * doc/md.texi: Likewise.
468         * doc/rtl.texi: Likewise.
469         * doc/sourcebuild.texi: Likewise.
470         * doc/tm.texi: Likewise.
471
472 2005-04-15  Uros Bizjak  <uros@kss-loka.si>
473
474         PR tree-optimization/21004
475         * convert.c (convert_to_integer): Convert ceilf, ceill, floorf
476         and floorl in c99 mode only.
477         * builtins.c (expand_builtin_int_roundingfn): Assert that
478         fallback_fndecl is not NULL_TREE.
479
480 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
481
482         * cfgrtl.c (purge_all_dead_edge): Remove an unused argument.
483         * basic-block.h: Update the prototype for
484         purge_all_dead_edges.
485         * cfgexpand.c (tree_expand_cfg): Update a call to
486         purge_all_dead_edges.
487         * combine.c (combine_instructions): Likewise.
488         * passes.c (rest_of_handle_old_regalloc, rest_of_handle_cse,
489         rest_of_handle_cse2, rest_of_handle_gcse,
490         rest_of_handle_postreload): likewise.
491
492 2005-04-15  Alexandre Oliva  <aoliva@redhat.com>
493
494         PR middle-end/20739
495         * gimplify.c (gimplify_addr_expr): Compensate for removal of
496         e.g. cv-qualification conversions.
497
498 2005-04-14  Mike Stump  <mrs@apple.com>
499
500         * config/darwin-c.c (framework_construct_pathname): We must
501         find all headers of a framework in the first instance of it
502         found in the seach path.
503
504 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
505
506         PR tree-optimization/21021
507         * tree-vrp.c (compare_values): Work around a bug in the front
508         end that produces a comparison of mismatched types.
509
510 2004-04-14  Richard Henderson  <rth@redhat.com>
511
512         * config/ia64/ia64.h (enum fetchop_code): Remove.
513         (enum ia64_builtins): Move ...
514         * config/ia64/ia64.c (enum ia64_builtins): ... here.  Remove all
515         members except BSP and FLUSHRS.
516         (ia64_init_builtins): Remove __sync builtins.
517         (ia64_expand_builtin): Likewise.
518         (ia64_expand_fetch_and_op, ia64_expand_op_and_fetch): Remove.
519         (ia64_expand_compare_and_swap, ia64_expand_lock_test_and_set): Remove.
520         (ia64_expand_lock_release): Remove.
521         * config/ia64/ia64.md (mf): Move to sync.md.
522         (mf_internal, fetchadd_acq_si, fetchadd_acq_di, cmpxchg_acq_si,
523         cmpxchg_acq_di, xchgsi, xchgdi): Likewise.
524         * config/ia64/sync.md: New file.
525         (memory_barrier): Rename from mf.
526         (fetchadd_acq_<I48MODE>): Macroize from _si/_di patterns.
527         (cmpxchg_acq_<I48MODE>): Likewise.
528         (sync_lock_test_and_set<I48MODE>): Likewise.
529
530         * config/ia64/ia64intrin.h: Define nothing for C; limit #defines
531         to c++.  Remove __sync* declarations.  s/_si/_4/.  s/_di/_8/.
532
533 2004-04-14  Richard Henderson  <rth@redhat.com>
534
535         * config/i386/i386.c (x86_cmpxchg, x86_xadd): New.
536         (ix86_compare_emitted): New.
537         (ix86_expand_compare): Use ix86_compare_emitted if set.
538         (ix86_expand_setcc): Only emit REG_EQUAL if both ix86_compare_op0
539         and ix86_compare_op0 are set.
540         * config/i386/i386.h (x86_cmpxchg, x86_xadd): Declare.
541         (TARGET_CMPXCHG, TARGET_XADD): New.
542         (ix86_compare_emitted): Declare.
543         * config/i386/i386.md: Include sync.md
544         (UNSPECV_CMPXCHG_1, UNSPECV_CMPXCHG_2): New.
545         (UNSPECV_XCHG, UNSPECV_LOCK): New.
546         * config/i386/sync.md: New file.
547
548 2004-04-14  Richard Henderson  <rth@redhat.com>
549
550         PR middle-end/14311
551         * builtin-types.def (BT_BOOL, BT_VOLATILE_PTR, BT_I1, BT_I2,
552         BT_I4, BT_I8, BT_FN_VOID_VPTR, BT_FN_I1_VPTR_I1, BT_FN_I2_VPTR_I2,
553         BT_FN_I4_VPTR_I4, BT_FN_I8_VPTR_I8, BT_FN_BOOL_VPTR_I1_I1,
554         BT_FN_BOOL_VPTR_I2_I2, BT_FN_BOOL_VPTR_I4_I4, BT_FN_BOOL_VPTR_I8_I8,
555         BT_FN_I1_VPTR_I1_I1, BT_FN_I2_VPTR_I2_I2, BT_FN_I4_VPTR_I4_I4,
556         BT_FN_I8_VPTR_I8_I8): New.
557         * builtins.def (DEF_SYNC_BUILTIN): New.
558         (BUILT_IN_FETCH_AND_ADD_N, BUILT_IN_FETCH_AND_ADD_1,
559         BUILT_IN_FETCH_AND_ADD_2, BUILT_IN_FETCH_AND_ADD_4,
560         BUILT_IN_FETCH_AND_ADD_8, BUILT_IN_FETCH_AND_SUB_N,
561         BUILT_IN_FETCH_AND_SUB_1, BUILT_IN_FETCH_AND_SUB_2,
562         BUILT_IN_FETCH_AND_SUB_4, BUILT_IN_FETCH_AND_SUB_8,
563         BUILT_IN_FETCH_AND_OR_N, BUILT_IN_FETCH_AND_OR_1,
564         BUILT_IN_FETCH_AND_OR_2, BUILT_IN_FETCH_AND_OR_4,
565         BUILT_IN_FETCH_AND_OR_8, BUILT_IN_FETCH_AND_AND_N,
566         BUILT_IN_FETCH_AND_AND_1, BUILT_IN_FETCH_AND_AND_2,
567         BUILT_IN_FETCH_AND_AND_4, BUILT_IN_FETCH_AND_AND_8,
568         BUILT_IN_FETCH_AND_XOR_N, BUILT_IN_FETCH_AND_XOR_1,
569         BUILT_IN_FETCH_AND_XOR_2, BUILT_IN_FETCH_AND_XOR_4,
570         BUILT_IN_FETCH_AND_XOR_8, BUILT_IN_FETCH_AND_NAND_N,
571         BUILT_IN_FETCH_AND_NAND_1, BUILT_IN_FETCH_AND_NAND_2,
572         BUILT_IN_FETCH_AND_NAND_4, BUILT_IN_FETCH_AND_NAND_8,
573         BUILT_IN_ADD_AND_FETCH_N, BUILT_IN_ADD_AND_FETCH_1,
574         BUILT_IN_ADD_AND_FETCH_2, BUILT_IN_ADD_AND_FETCH_4,
575         BUILT_IN_ADD_AND_FETCH_8, BUILT_IN_SUB_AND_FETCH_N,
576         BUILT_IN_SUB_AND_FETCH_1, BUILT_IN_SUB_AND_FETCH_2,
577         BUILT_IN_SUB_AND_FETCH_4, BUILT_IN_SUB_AND_FETCH_8,
578         BUILT_IN_OR_AND_FETCH_N, BUILT_IN_OR_AND_FETCH_1,
579         BUILT_IN_OR_AND_FETCH_2, BUILT_IN_OR_AND_FETCH_4,
580         BUILT_IN_OR_AND_FETCH_8, BUILT_IN_AND_AND_FETCH_N,
581         BUILT_IN_AND_AND_FETCH_1, BUILT_IN_AND_AND_FETCH_2,
582         BUILT_IN_AND_AND_FETCH_4, BUILT_IN_AND_AND_FETCH_8,
583         BUILT_IN_XOR_AND_FETCH_N, BUILT_IN_XOR_AND_FETCH_1,
584         BUILT_IN_XOR_AND_FETCH_2, BUILT_IN_XOR_AND_FETCH_4,
585         BUILT_IN_XOR_AND_FETCH_8, BUILT_IN_NAND_AND_FETCH_N,
586         BUILT_IN_NAND_AND_FETCH_1, BUILT_IN_NAND_AND_FETCH_2,
587         BUILT_IN_NAND_AND_FETCH_4, BUILT_IN_NAND_AND_FETCH_8,
588         BUILT_IN_BOOL_COMPARE_AND_SWAP_N, BUILT_IN_BOOL_COMPARE_AND_SWAP_1,
589         BUILT_IN_BOOL_COMPARE_AND_SWAP_2, BUILT_IN_BOOL_COMPARE_AND_SWAP_4,
590         BUILT_IN_BOOL_COMPARE_AND_SWAP_8, BUILT_IN_VAL_COMPARE_AND_SWAP_N,
591         BUILT_IN_VAL_COMPARE_AND_SWAP_1, BUILT_IN_VAL_COMPARE_AND_SWAP_2,
592         BUILT_IN_VAL_COMPARE_AND_SWAP_4, BUILT_IN_VAL_COMPARE_AND_SWAP_8,
593         BUILT_IN_LOCK_TEST_AND_SET_N, BUILT_IN_LOCK_TEST_AND_SET_1,
594         BUILT_IN_LOCK_TEST_AND_SET_2, BUILT_IN_LOCK_TEST_AND_SET_4,
595         BUILT_IN_LOCK_TEST_AND_SET_8, BUILT_IN_LOCK_RELEASE_N,
596         BUILT_IN_LOCK_RELEASE_1, BUILT_IN_LOCK_RELEASE_2,
597         BUILT_IN_LOCK_RELEASE_4, BUILT_IN_LOCK_RELEASE_8,
598         BUILT_IN_SYNCHRONIZE: New.
599         * builtins.c (called_as_built_in): Rewrite from CALLED_AS_BUILT_IN
600         as a function.  Accept __sync_ as a prefix as well.
601         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
602         expand_builtin_lock_test_and_set, expand_builtin_synchronize,
603         expand_builtin_lock_release): New.
604         (expand_builtin): Call them.
605         * c-common.c (DEF_BUILTIN): Don't require __builtin_ prefix if
606         neither BOTH_P nor FALLBACK_P are defined.
607         (builtin_type_for_size): New.
608         (sync_resolve_size, sync_resolve_params, sync_resolve_return): New.
609         (resolve_overloaded_builtin): New.
610         * c-common.h (resolve_overloaded_builtin): Declare.
611         (builtin_type_for_size): Declare.
612         * c-typeck.c (build_function_call): Invoke resolve_overloaded_builtin.
613         * expr.c (sync_add_optab, sync_sub_optab, sync_ior_optab,
614         sync_and_optab, sync_xor_optab, sync_nand_optab, sync_old_add_optab,
615         sync_old_sub_optab, sync_old_ior_optab, sync_old_and_optab,
616         sync_old_xor_optab, sync_old_nand_optab, sync_new_add_optab,
617         sync_new_sub_optab, sync_new_ior_optab, sync_new_and_optab,
618         sync_new_xor_optab, sync_new_nand_optab, sync_compare_and_swap,
619         sync_compare_and_swap_cc, sync_lock_test_and_set,
620         sync_lock_release): New.
621         * optabs.h: Declare them.
622         * expr.h (expand_val_compare_and_swap, expand_bool_compare_and_swap,
623         expand_sync_operation, expand_sync_fetch_operation,
624         expand_sync_lock_test_and_set): Declare.
625         * genopinit.c (optabs): Add sync optabs.
626         * optabs.c (init_optabs): Initialize sync optabs.
627         (expand_val_compare_and_swap_1, expand_val_compare_and_swap,
628         expand_bool_compare_and_swap, expand_compare_and_swap_loop,
629         expand_sync_operation, expand_sync_fetch_operation,
630         expand_sync_lock_test_and_set): New.
631         * doc/extend.texi (Atomic Builtins): New section
632         * doc/md.texi (Standard Names): Add sync patterns.
633
634 2005-04-14  Alexandre Oliva  <aoliva@redhat.com>
635
636         * tree-eh.c (lower_try_finally_copy): Generate new code in
637         response to goto_queue entries as if the queue was sorted by
638         index, not pointers.
639         (lower_try_finally_switch): Likewise.
640
641 2005-04-14  Richard Henderson  <rth@redhat.com>
642
643         * config/i386/i386.c (ix86_expand_sse_cmp): Split out from ...
644         (ix86_expand_sse_movcc): ... here.  Take cmp as a pre-computed
645         register.
646         (ix86_expand_fp_movcc): Update to match.
647         (ix86_expand_fp_vcond, ix86_expand_int_vcond): New.
648         * config/i386/i386-protos.h: Update.
649         * config/i386/sse.md (vcondv4sf, vcondv2df): New.
650         (vcond<SSEMODE124>, vcondu<SSEMODE12>): New.
651
652 2005-04-14  Joseph S. Myers  <joseph@codesourcery.com>
653
654         * doc/cpp.texi, doc/install.texi: Change references to GCC 3.5 to
655         refer to 4.0.
656
657 2005-04-14  Julian Brown  <julian@codesourcery.com>
658
659         * Revert elfos.h part of my patch from 2005-04-13 for causing libstdc++
660         link failures on ppc64 Linux.
661
662 2005-04-14  Andreas Krebbel  <krebbel1@de.ibm.com>
663
664         * config.gcc: Set cpu_type for s390.
665
666 2005-04-14  Daniel Berlin  <dberlin@dberlin.org>
667
668         Fix PR tree-optimization/20963
669         * tree-ssa-pre.c (compute_avail): Remove special case for
670         TREE_INVARIANT.
671         (create_expression_by_pieces): Add value numbers for forced out
672         statements.
673
674 2005-04-14  Hans-Peter Nilsson  <hp@axis.com>
675
676         * config/cris/cris.md: Replace references to (reg:SI 16) with
677         (reg:SI CRIS_SRP_REGNUM).
678
679 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
680
681         PR tree-optimization/20657
682         * tree-vrp.c (extract_range_from_expr): Notice INTEGER_CST to
683         create an appropriate range from it.
684
685 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
686
687         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST_FLOOR> and
688         <UNSPEC_FIST_CEIL> case.
689
690         * config/i386/i386.md (UNSPEC_FIST_FLOOR, UNSPEC_FIST_CEIL): New.
691         (*fist<mode>2_floor_1, fistdi2_floor, fistdi2_floor_with_temp)
692         (fist<mode>2_floor, fist<mode>2_floor_with_temp): New isns patterns
693         to implement lfloor and llfloor built-ins as x87 intrinsic function.
694         (fistdi2_floor, fist<mode>2_floor splitters): New splitters.
695         (lfloor<mode>2): New expanders.
696         (*fist<mode>2_ceil_1, fistdi2_ceil, fistdi2_ceil_with_temp)
697         (fist<mode>2_ceil, fist<mode>2_ceil_with_temp): New isns patterns
698         to implement lceil and llceil built-ins as x87 intrinsic function.
699         (fistdi2_ceil, fist<mode>2_ceil splitters): New splitters.
700         (lceil<mode>2): New expanders.
701
702 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
703
704         * convert.c (convert_to_integer): Convert (long int)trunc{,f,l},
705         and (long long int)ceil{,f,l} into FIX_TRUNC_EXPR.
706
707 2005-04-14  Ulrich Weigand  <uweigand@de.ibm.com>
708
709         PR target/20927
710         * config/s390/s390-modes.def: Define TFmode.
711
712 2005-04-13  Richard Sandiford  <rsandifo@redhat.com>
713
714         * config/mips/mips.h (ASM_OUTPUT_CASE_LABEL): Delete.
715         (JUMP_TABLES_IN_TEXT_SECTION): Define.
716         * config/mips/mips.c (mips16_insn_length): Remove reference to
717         JUMP_TABLES_IN_TEXT_SECTION.
718
719 2005-04-13 Fariborz Jahanian <fjahanian@apple.com>
720
721         * simplify-rtx.c (simplify_binary_operation_1): Return
722         scalar or vector of constant 0, depending on the xor's
723         mode.
724
725 2005-04-13  Dale Johannesen  <dalej@apple.com>
726
727         * objc/Make-lang.in (objc-lang.o):  Depend on tree-gimple.h.
728         (objc-act.o):  Ditto.
729         * objc/objc-act.c (objc_gimplify_expr):  New.
730         (objc_get_callee_fndecl):  New.
731         * objc/objc-act.h:  Include tree-gimple.h.  Declare new functions.
732         * objc/objc-lang.c (LANG_HOOKS_GIMPLIFY_EXPR):  Define.
733         (LANG_HOOKS_GET_CALLEE_FNDECL):  Define.
734
735 2005-04-13  Devang Patel  <dpatel@apple.com>
736
737         * tree-if-conv.c (tree_if_convert_cond_expr): Do not create extra
738         temp variables.
739
740 2005-04-13  Hans-Peter Nilsson  <hp@axis.com>
741
742         CRIS prologue as RTL.
743         * config/cris/cris-protos.h (cris_emit_movem_store)
744         (cris_expand_prologue): Prototype.
745         * config/cris/cris.c (struct machine_function): New member
746         stdarg_regs.
747         (cfa_label_num, cris_target_asm_function_prologue): Remove.
748         (TARGET_ASM_FUNCTION_PROLOGUE): Don't override.
749         (cris_general_operand_or_gotless_symbol): Accept CRIS_UNSPEC_GOT.
750         (cris_load_multiple_op, cris_return_address_on_stack)
751         (cris_return_address_on_stack_for_return): ISO-Cify.
752         (cris_store_multiple_op): New predicate function.
753         (cris_expand_prologue, cris_emit_movem_store): New functions.
754         (cris_print_operand) <case 'O'>: Handle modifications other than
755         post-increment.
756         (cris_symbol, cris_got_symbol): Return 0 for CRIS_UNSPEC_GOT.
757         (cris_gotless_symbol): Return 1 for CRIS_UNSPEC_GOT.
758         (cris_gen_movem_load): Rearrange slightly to make local variable
759         src a parameter, removing osrc.
760         (cris_setup_incoming_varargs): Set machine_function member
761         stdarg_regs to correspond to the number of registers that need to
762         be saved.
763         * config/cris/cris.h (EXTRA_CONSTRAINT_S): Accept
764         CRIS_UNSPEC_GOT.
765         (PREDICATE_CODES): Add cris_store_multiple_op.  Make
766         cris_general_operand_or_gotless_symbol accept UNSPEC.
767         * config/cris/cris.md (CRIS_UNSPEC_GOT): New constant.
768         ("*movsi_internal") <alternative 8>: Handle CRIS_UNSPEC_GOT.
769         ("*cris_store_multiple"): New pattern.  Tweak common comment above
770         this and "*cris_load_multiple".
771         ("prologue"): New define_expand.
772
773         * config/cris/cris.md ("epilogue"): Conditionalize on
774         TARGET_PROLOGUE_EPILOGUE.
775
776 2005-04-13  Steve Ellcey  <sje@cup.hp.com>
777
778         PR target/20924
779         * config/ia64/ia64.md (divsf3_internal_lat): Generate frcpa with
780         fpsr 0 instead of fpsr 1.
781         (divsf3_internal_thr): Ditto.
782         (divdf3_internal_lat): Ditto.
783         (divdf3_internal_thr): Ditto.
784         (divxf3_internal_lat): Ditto.
785         (divxf3_internal_thr): Ditto.
786
787 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
788
789         PR tree-optimization/20913
790         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Fold COND_EXPR.
791
792         PR tree-optimization/20702
793         * tree-vrp.c (maybe_add_assert_expr): Recurse into
794         dominator children that haven't been walked into.
795
796 2005-04-13  Julian Brown  <julian@codesourcery.com>
797
798         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK from
799         being used for symbols with vague linkage when HAVE_GAS_COMDAT_GROUP
800         is true.
801
802 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
803
804         * basic-block.h, tree-ssa-uncprop.c, varasm.c,
805         config/i386/sse.md: Fix comment typos.
806
807         * genattrtab.c (NULL_ATTR): Remove.
808         * ifcvt.c (NULL_EDGE): Likewise.
809
810         * rtl.h (RTX_EXPR_FIRST, RTX_EXPR_LAST): Remove.
811
812         * rtl.h (NOTE_PREDICTION_ALG, NOTE_PREDICTION_FLAGS,
813         NOTE_PREDICT): Remove.
814
815 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
816
817         * configure.ac (gcc_AC_CHECK_DECLS): Add vsnprintf.
818         * configure: Regenerate.
819         * config.in: Likewise.
820         * system.h: Declare vsnprintf if not already declared.
821
822 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
823
824         * optc-gen.awk: Handle stand-alone Mask records.
825         * opth-gen.awk: Likewise.
826         * doc/options.texi (Option file format): Document them.
827         * config.gcc (sparc-*-netbsdelf*, sparc-*-linux*, sparc64-*-freebsd*,
828         sparc64-*-linux*, sparc64-*-netbsd*): Add long-double-switch.opt.
829         (sparc64-*-openbsd*, sparc64-*-elf*): Add little-endian.opt.
830         * config/sparc/sparc.h (MASK_FPU, MASK_UNALIGNED_DOUBLES,
831         MASK_V8, MASK_SPARCLITE, MASK_SPARCLET, MASK_V9,
832         MASK_DEPRECATED_V8_INSNS, MASK_IMPURE_TEXT, MASK_APP_REGS,
833         MASK_HARD_QUAD, MASK_LITTLE_ENDIAN, MASK_PTR64, MASK_64BIT,
834         MASK_STACK_BIAS, MASK_FPU_SET, MASK_VIS, MASK_V8PLUS,
835         MASK_FASTER_STRUCTS, MASK_LONG_DOUBLE_128): Delete.
836         (TARGET_FPU, TARGET_UNALIGNED_DOUBLES, TARGET_V8, TARGET_SPARCLITE,
837         TARGET_SPARCLET, TARGET_V9, TARGET_DEPRECATED_V8_INSNS,
838         TARGET_IMPURE_TEXT, TARGET_APP_REGS, MASK_HARD_QUAD,
839         TARGET_LITTLE_ENDIAN, TARGET_PTR64, TARGET_64BIT, MASK_STACK_BIAS,
840         TARGET_FPU_SET, TARGET_VIS, TARGET_V8PLUS, TARGET_FASTER_STRUCTS,
841         TARGET_LONG_DOUBLE_128): Likewise.
842         (TARGET_SWITCHES, SUBTARGET_SWITCHES): Likewise.
843         (TARGET_OPTIONS, SUBTARGET_OPTIONS): Likewise.
844         * config/sparc/freebsd.h (SUBTARGET_SWITCHES): Likewise.
845         * config/sparc/linux.h (SUBTARGET_SWITCHES): Likewise.
846         * config/sparc/linux64.h (SUBTARGET_SWITCHES): Likewise.
847         * config/sparc/netbsd-elf.h (SUBTARGET_SWITCHES): Likewise.
848         * config/sparc/sp64-elf.h (SUBTARGET_SWITCHES): Likewise.
849         * config/sparc/sparc.c (fpu_option_set): New global.
850         (sparc_handle_option): New function.
851         (sparc_override_options): Test fpu_option_set.
852         (TARGET_DEFAULT_TARGET_FLAGS): Set to TARGET_DEFAULT.
853         (TARGET_HANDLE_OPTION): Set to sparc_handle_option.
854         * config/sparc/sparc.opt: New file.
855         * config/sparc/little-endian.opt: Likewise.
856         * config/sparc/long-double-switch.opt: Likewise.
857
858 2005-04-13  Bernd Schmidt  <bernd.schmidt@analog.com>
859
860         * config/bfin/bfin.c (bfin_lib_id_given): New static variable.
861         (bfin_handle_options): Set it if -mshared-library-id= is seen.
862         * config/bfin/bfin.opt (mshared-library-id=): Lose
863         Var(bfin_lib_id_given).
864
865 2005-04-13  Matt Thomas  <matt@3am-software.com>
866
867         * config/rs6000/sysv4.h (NO_IMPLICIT_EXTERN_C): undefine before
868         defining.
869
870 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
871
872         * rtl.h (CLEAR_RTX_FLAGS): Remove.
873
874         * cgraphunit.c (INSNS_PER_CALL): Remove.
875
876         * tree-ssa-forwprop.c (vars,
877         record_single_argument_cond_exprs,
878         substitute_single_use_vars): Remove.
879         (forward_propagate_into_cond_1, forward_propagate_into_cond):
880         New.
881         (tree_ssa_forward_propagate_single_use_vars): Call
882         forward_propagate_into_cond for each COND_EXPR.
883
884         * tree-inline.c (INSNS_PER_STMT): Remove.
885
886 2005-04-12  Richard Henderson  <rth@redhat.com>
887
888         * config/i386/i386.c (ix86_prepare_sse_fp_compare_args): Split ...
889         (ix86_expand_sse_fp_minmax): ... from ...
890         (ix86_expand_fp_movcc): ... here.
891         (ix86_expand_sse_movcc): Rewrite from ix86_split_sse_movcc.
892         * config/i386/i386-protos.h: Update.
893         * config/i386/i386.md (UNSPEC_IEEE_MIN, UNSPEC_IEEE_MAX): New.
894         (sse_setccsf, sse_setccdf): Allow before reload.
895         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): Remove.
896         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): Remove.
897         (ieee_sminsf3, ieee_smaxsf3, ieee_smindf3, ieee_smaxdf3): New.
898         * config/i386/sse.md (andsf3, nandsf3, iorsf3, xorsf3): New.
899         (anddf3, nanddf3, iordf3, xordf3): New.
900
901 2005-04-12  Jeff Law  <law@redhat.com>
902
903         * Makefile.in (OBJS-common): Add tree-ssa-uncprop.o.
904         (tree-ssa-uncprop.o): Add dependencies.
905         * tree-cfg.c (remove_useless_stmts_bb, remove_useless_stmts): Remove.
906         * tree-flow.h (remove_useless_stmts): Remove prototype.
907         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
908         remove_useless_stmts.
909         * timevar.def (TV_TREE_SSA_UNCPROP): New timevar.
910         * tree-optimize.c (init_tree_optimization_passes): Add uncprop pass.
911         * tree-pass.h (pass_uncprop): Declare.
912         * tree-ssa-uncprop.c: New file.
913
914 2005-04-12  James E. Wilson  <wilson@specifixinc.com>
915
916         PR target/20670
917         * unwind-ia64.c (uw_intall_context): Add missing load of r27.
918
919 2005-04-12  Caroline Tice  <ctice@apple.com>
920
921         Temporary fix for partitioning problems.
922         * passes.c (rest_of_handle_final): Remove code that
923         frees unlikely_text_section_name,
924         * varasm.c (assemble_start_function): Test for partitioning
925         flag before writing out section labels.
926         (assemble_end_function): Test for partitioning flag before
927         writing out section labels.
928
929 2005-04-12  Steven Bosscher  <stevenb@suse.de>
930             Stuart Hastings <stuart@apple.com>
931             Jan Hubicka  <jh@suse.cz>
932
933         * Makefile.in: Add function.h to BASIC_BLOCK_H.  Remove all
934         references to gt-tree-cfg.h.
935         * basic-block.h (struct basic_block_def): Don't skip rbi
936         for garbage collection.
937         (struct reorder_block_def): Make GTY-able.
938         (struct control_flow_graph): New structure.
939         (n_edges, n_basic_blocks, last_basic_block, basic_block_info,
940         BASIC_BLOCK, EXIT_BLOCK_PTR, ENTRY_BLOCK_PTR): No longer vars,
941         but instead defines to the control_flow_graph for cfun.
942         (label_to_block_map): New define, points to the label map of
943         the control_flow_graph for cfun.
944         (n_edges_for_function, n_basic_blocks_for_function,
945         last_basic_block_for_function, basic_block_info_for_function,
946         EXIT_BLOCK_PTR_FOR_FUNCTION, ENTRY_BLOCK_PTR_FOR_FUNCTION,
947         basic_block_info_for_function, label_to_block_map_for_function):
948         Counterparts for the above, taking a struct function as an extra
949         argument.
950         (alloc_rbi_pool, free_rbi_pool): Remove prototypes.
951         * cfg.c: (n_edges, n_basic_blocks, last_basic_block,
952         basic_block_info, ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): Remove.
953         (alloc_rbi_pool, free_rbi_pool): Remove.
954         (initialize_bb_rbi): Use ggc_alloc_cleared instead of pool_alloc.
955         * cfglayout.c: (cfg_layout_initialize): Don't allocate the rbi pool
956         here...
957         (cfg_layout_finalize) ... and don't free it here.
958         * cfgrtl.c (cfg_layout_delete_block): Zero out rbi so it gets
959         garbage collected.
960         * flow.c (free_basic_block_vars): Set label_to_block_map and
961         n_edges to zero too.
962         * function.h (struct function): Add cfg field.
963         * function.c (allocate_struct_function): Allocate the cfg.
964         * tree-cfg.c (label_to_block_map): Remove.
965         (build_tree_cfg): Don't allocate the rbi pool here...
966         (delete_tree_cfg_annotations): ...and don't free it here.
967         Also don't nullify label_to_block_map for cfun.
968
969 2005-04-12  Caroline Tice  <ctice@apple.com>
970
971         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
972         Revert my patch from April 9.
973         (fix_edges_for_rarely_executed_code): Revert my patch from April 9.
974         (reorder_basic_blocks): Revert my patch from April 9.
975         (insert_section_boundary_note): Revert my patch from April 9.
976         * dbxout.c (dbxout_function_end): Revert my patch from April 9.
977         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): Revert my patch from April 9.
978         (COLD_END_LABEL):  Revert my patch from April 9.
979         (cold_text_section_label):  Revert my patch from April 9.
980         (cold_end_label): Revert my patch from April 9.
981         (dwarf2out_switch_text_section): Revert my patch from April 9.
982         (output_aranges): Revert my patch from April 9.
983         (output_ranges):  Revert my patch from April 9.
984         (output_line_info): Revert my patch from April 9.
985         (add_location_or_const_value_attribute):  Revert my patch from April 9.
986         (dwarf2out_var_location): Revert my patch from April 9.
987         (dwarf2out_init):  Revert my patch from April 9.
988         (dwarf2out_finish): Revert my patch from April 9.
989         * function.h (struct function): Revert my patch from April 9.
990         * opts.c (decode_options): Revert my patch from April 9.
991         * output.h (unlikely_section_label, hot_section_label,
992         hot_section_end_label, cold_section_end_label,
993         unlikely_text_section_name): Revert my patch from April 9.
994         * passes.c (rest_of_handle_final): Revert my patch from April 9.
995         * varasm.c (unlikely_section_label, hot_section_label,
996         hot_section_end_label, cold_section_end_label,
997         unlikely_text_section_name): Revert my patch from April 9.
998         (initialize_cold_section_name): Revert my patch from April 9.
999         (unlikely_text_section): Revert my patch from April 9.
1000         (in_unlikely_text_section): Revert my patch from April 9.
1001         (named_section): Revert my patch from April 9.
1002         (function_section): Revert my patch from April 9.
1003         (current_function_section): Revert my patch from April 9.
1004         (assemble_start_function): Revert my patch from April 9.
1005         (assemble_end_function): Revert my patch from April 9.
1006         (default_section_type_flags_1): Revert my patch from April 9.
1007
1008 2005-04-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
1009
1010         * config/sparc/sparc.h (APPLY_RESULT_SIZE): Set to 24 in 64-bit mode.
1011         * config/sparc/sparc.md (untyped_call): Save the registers manually.
1012
1013         * config/sparc/sparc.c (legitimate_address_p): Use TARGET_ARCH32.
1014
1015 2005-04-12  Ulrich Weigand  <uweigand@de.ibm.com>
1016
1017         PR middle-end/20917
1018         * config/s390/s390.md ("*set_tp"): Use SET in pattern.
1019         ("set_tp_64", "set_tp_31"): Adapt expanded pattern.
1020
1021 2004-04-12  Richard Henderson  <rth@redhat.com>
1022
1023         * config/i386/i386.md (UNSPEC_FIX, UNSPEC_MOVA, UNSPEC_SHUFFLE,
1024         UNSPEC_PSHUFLW, UNSPEC_PSHUFHW, UNSPEC_ADDSUB, UNSPEC_HADD,
1025         UNSPEC_HSUB, UNSPEC_MOVSHDUP, UNSPEC_MOVSLDUP, UNSPEC_MOVDDUP): Remove.
1026         (UNSPEC_*, UNSPECV_*): Renumber.
1027
1028 2005-04-12  Frank Ch. Eigler  <fche@redhat.com>
1029
1030         PR mudflap/19266
1031         From Richard Henderson <rth@redhat.com>:
1032         * tree-mudflap.c (mf_build_check_statement_for): Correct block
1033         splitting logic.
1034
1035 2005-04-12  Dorit Naishlos  <dorit@il.ibm.com>
1036
1037         * tree-cfg.c (tree_verify_flow_info): Use LABEL_EXPR_LABEL.
1038
1039 2005-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
1040
1041         * config/bfin/bfin.c (bfin_library_id_string): Remove.
1042         (bfin_library_id): New variable.
1043         (bfin_expand_prologue): Use bfin_library_id and bfin_lib_id_given
1044         instead of bfin_library_id_string.
1045         (bfin_handle_option): New function.
1046         (override_options): Remove most code to deal with shared library IDs,
1047         just check they aren't used without -mid-shared-library.
1048         (TARGET_HANDLE_OPTION): Define.
1049         * config/bfin/bfin.h (TARGET_OPTIONS): Delete macro.
1050         * config/bfin/bfin.opt (mshared-library-id=): New.
1051
1052 2005-04-12  Kazu Hirata  <kazu@cs.umass.edu>
1053
1054         * tree-vect-transform.c: Fix comment typos.
1055
1056 2005-04-12 Mostafa Hagog <mustafa@il.ibm.com>
1057
1058         * postreload-gcse.c (eliminate_partially_redundant_load): Don't
1059         split critical edges when not possible/profitable.
1060
1061 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
1062
1063         * config/ns32k/ns32k.h (target_flags, MASK_32081, MASK_RTD)
1064         (MASK_REGPARM, MASK_32532, MASK_32332, MASK_NO_SB, MASK_NO_BITFIELD)
1065         (MASK_HIMEM, MASK_32381, MASK_MULT_ADD, MASK_SRC, MASK_IEEE_COMPARE)
1066         (TARGET_32081, TARGET_32381, TARGET_MULT_ADD, TARGET_RTD)
1067         (TARGET_REGPARM, TARGET_32532, TARGET_32332, TARGET_SB, TARGET_HIMEM)
1068         (TARGET_BITFIELD, TARGET_IEEE_COMPARE, TARGET_SWITCHES): Delete.
1069         (OVERRIDE_OPTIONS): Clear MASK_SB instead of setting MASK_NO_SB.
1070         * config/ns32k/netbsd.h (TARGET_DEFAULT): Remove MASK_NO_SB and
1071         MASK_NO_BITFIELD.
1072         * config/ns32k/ns32k.c (ns32k_handle_option): New function.
1073         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
1074         * config/ns32k/ns32k.opt: New file.
1075
1076 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
1077
1078         * config.gcc (m68k-*-linux*): Add m68k/ieee.opt to $extra_options.
1079         * config/m68k/m68k.h (target_flags, MASK_68020, TARGET_68020)
1080         (MASK_68030, TARGET_68030, MASK_68040, TARGET_68040, MASK_68040_ONLY)
1081         (TARGET_68040_ONLY, MASK_68060, TARGET_68060, MASK_5200, TARGET_5200)
1082         (MASK_CFV3, TARGET_CFV3, MASK_CFV4, TARGET_CFV4, MASK_528x)
1083         (TARGET_528x, MASK_CF_HWDIV, TARGET_CF_HWDIV, MASK_68881, TARGET_68881)
1084         (MASK_BITFIELD, TARGET_BITFIELD, MASK_SHORT, TARGET_SHORT)
1085         (MASK_ALIGN_INT, TARGET_ALIGN_INT, MASK_PCREL, TARGET_PCREL)
1086         (MASK_NO_STRICT_ALIGNMENT, TARGET_STRICT_ALIGNMENT, MASK_RTD)
1087         (TARGET_RTD, MASK_SEP_DATA, TARGET_SEP_DATA, MASK_ID_SHARED_LIBRARY)
1088         (TARGET_ID_SHARED_LIBRARY, MASK_ALL_CF_BITS, TARGET_SWITCHES)
1089         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS): Delete.
1090         (MASK_COLDFIRE): Formatting fixes.
1091         (TARGET_COLDFIRE): Turn into a boolean value for consistency.
1092         * config/m68k/linux.h (SUBTARGET_SWITCHES): Delete.
1093         * config/m68k/m68k.c (m68k_library_id_string): Initialize to
1094         "_current_shared_library_a5_offset_".
1095         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
1096         (MASK_ALL_CPU_BITS): New macro.
1097         (m68k_handle_option): New function.
1098         (override_options): Remove handling of m68k_library_id_string.
1099         * config/m68k/m68k.opt: New file.
1100         * config/m68k/ieee.opt: New file.
1101
1102 2005-04-11  Mark Mitchell  <mark@codesourcery.com>
1103
1104         * target-def.h (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
1105         (TARGET_CXX_DETERMINE_CLASS_VISIBILITY): New macro.
1106         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
1107         (TARGET_CXX): Adjust accordingly.
1108         * target.h (struct gcc_target): Remove epxort_class_data.  Add
1109         determine_class_data_visibility and class_data_always_comdat.
1110         * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
1111         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Document.
1112         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
1113         * config/arm/arm.c (arm_cxx_export_class_data): Remove.
1114         (arm_cxx_determine_class_data_visibility): New.
1115         (arm_cxx_class_data_always_comdat): Likewise.
1116         (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
1117         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
1118         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
1119         * config/arm/arm.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P): Define.
1120         * config/arm/symbian.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P):
1121         Define.
1122
1123 2005-04-11  Devang Patel  <dpatel@apple.com>
1124
1125         * tree-data-ref.c (build_classic_dist_vector,
1126         compute_subscript_distance): Make externally visible.
1127         * tree-data-ref.h (build_classic_dist_vector,
1128         compute_subscript_distance): Same.
1129         * tree-vect-analyze.c (vect_analyze_data_ref_dependence):
1130         Check distance vector against vectorization factor.
1131         (vect_analyze_loop): Determine vectorizaion factor before
1132         analyzing data dependences.
1133         * tree-vectorizer.c (loops_num): Make it externally visible and
1134         rename ...
1135         * tree-vectorizer.c (vect_loops_num): ... new name.
1136         * tree-vectorizer.h  (vect_loops_num): New.
1137
1138 2005-04-11  Devang Patel  <dpatel@apple.com>
1139
1140         * tree-vect-analyze.c (vect_analyze_operations): Check
1141         vectorizable codition.
1142         * tree-vect-transform.c (vect_is_simple_cond): New function.
1143         (vectorizable_condition): New function.
1144         (vect_transform_stmt): Handle condition_vec_info_type.
1145         * tree-vectorizer.h (enum stmt_vec_info_type): Add
1146         condition_vec_info_type.
1147         (vectorizable_condition): New.
1148
1149 2005-04-11  Geoffrey Keating  <geoffk@apple.com>
1150
1151         * config/i386/i386.h (TARGET_FPMATH_DEFAULT): New.
1152         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT): New.
1153         * config/i386/i386.c (override_options): Use TARGET_FPMATH_DEFAULT.
1154
1155         * config/i386/darwin.h (ASM_SPEC): Use -arch i386 not -arch i686.
1156         (SUBTARGET_EXTRA_SPECS): Always 'i386'.
1157
1158         * dwarf2out.c (output_line_info): Don't try to dereference
1159         a NULL current_function_decl.
1160
1161         * config/t-slibgcc-darwin: Don't put shared libraries in
1162         directories other than $(slibdir).
1163         * config/rs6000/darwin.h: Find -m64 libgcc under the name the
1164         OS uses for it.
1165
1166 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
1167
1168         PR tree-optimization/20933
1169         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Move
1170         logic to reject aliases between read-only and writable
1171         variables ...
1172         (may_alias_p): ... here.
1173         (get_tmt_for): Do not associate read-only tags to pointers
1174         whose pointed-to type is not read-only.
1175         * tree-ssa.c (verify_ssa): Check that memory stores have at
1176         least one V_MAY_DEF or V_MUST_DEF.
1177
1178 2005-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1179
1180         PR/17092
1181         * configure.ac (gcc_UNLOCKED_FUNCS): New.
1182         (AC_CHECK_FUNCS, AC_CHECK_DECLS): Check for gcc_UNLOCKED_FUNCS.
1183         * system.h (putchar, getc, getchar, clearerr, feof, fileno,
1184         fflush, fgetc, fgets, ferror, fread): Redefine to the associated
1185         _unlocked function.
1186         (fwrite_unlocked): Fix prototype.
1187
1188         * configure, config.in: Regenerate.
1189
1190 2005-04-11  David Edelsohn  <edelsohn@gnu.org>
1191
1192         * tree-ssa-loop-im.c: Include real.h.
1193         (determine_invariantness_stmt): If real division divisor is
1194         invariant and flag_unsafe_math_optimizations enabled, generate
1195         invariant reciprocal for hoisting.
1196         * Makefile.in (tree-ssa-loop-im.o): Add real.h dependency.
1197
1198 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
1199
1200         Fix PR tree-optimization/20926
1201
1202         * tree-ssa-alias.c (add_type_alias): Handle subvars.
1203
1204 2005-04-11  Devang Patel  <dpatel@apple.com>
1205
1206         * config/rs6000.c (rs6000_emit_vector_select): Fix vector select
1207         operand ordering.
1208
1209 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
1210
1211         * fold-const.c (fold_binary_op_with_conditional_arg):
1212         use fold_buildN instead of "fold (buildN" in some
1213         non obvious places.
1214         (fold_unary): Likewise.
1215         (fold_binary): Likewise.
1216
1217 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
1218
1219         Fix PR tree-optimization/20612
1220         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Fix increment
1221         handling
1222         (perfect_nestify): preheaderbb is *not* part of loop of the
1223         old destination.
1224
1225 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
1226
1227         * tree-ssa-alias.c (may_alias_p): If the variable
1228         is a global variable and the pointer is parameter
1229         and -fargument-noalias-global is used, then
1230         the pointer cannot alias the variable.
1231
1232 2005-04-11  James A. Morrison  <phython@gcc.gnu.org>
1233
1234         * config/sparc/sparc.c: Use gcc_assert and gcc_unreachable.
1235         * config/sparc/sparc.h: Likewise.
1236         * config/sparc/sparc.md: Likewise.
1237
1238 2005-04-11  Kazu Hirata  <kazu@cs.umass.edu>
1239
1240         * tree-vrp.c (maybe_add_assert_expr): Move a comment.
1241
1242         * tree-vrp.c: Fix a comment typo.
1243
1244 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
1245
1246         PR tree-optimization/20920
1247         * tree-pretty-print.c (dump_generic_node): Show '(ab)' if an
1248         SSA_NAME flows through an abnormal edge.
1249         * tree-vrp.c (infer_value_range): Ignore SSA names that flow
1250         through abnormal edges.
1251         (maybe_add_assert_expr): Likewise.
1252
1253 2005-04-11  Richard Sandiford  <rsandifo@redhat.com>
1254
1255         * config/s390/s390.h (s390_tune_string, s390_arch_string)
1256         (s390_warn_framesize_string, s390_warn_dynamicstack_string)
1257         (s390_stack_size_string, s390_stack_guard_string, target_flags)
1258         (MASK_HARD_FLOAT, MASK_SMALL_EXEC, MASK_DEBUG_ARG, MASK_64BIT)
1259         (MASK_ZARCH, MASK_MVCLE, MASK_TPF_PROFILING, MASK_NO_FUSED_MADD)
1260         (MASK_BACKCHAIN, MASK_PACKED_STACK, TARGET_HARD_FLOAT)
1261         (TARGET_SOFT_FLOAT, TARGET_SMALL_EXEC, TARGET_DEBUG_ARG)
1262         (TARGET_64BIT, TARGET_ZARCH, TARGET_MVCLE, TARGET_TPF_PROFILING)
1263         (TARGET_NO_FUSED_MADD, TARGET_FUSED_MADD, TARGET_BACKCHAIN)
1264         (TARGET_PACKED_STACK, TARGET_SWITCHES, TARGET_OPTIONS): Delete.
1265         * config/s390/s390.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
1266         (TARGET_HANDLE_OPTION): Likewise.
1267         (s390_tune): Initialize to PROCESSOR_max.
1268         (s390_arch_string): Make static.
1269         (s390_tune_string, s390_warn_framesize_string): Delete.
1270         (s390_warn_dynamicstack_string, s390_stack_size_string): Delete.
1271         (s390_stack_guard_string, s390_warn_dynamicstack_p): Delete.
1272         (s390_handle_arch_option, s390_handle_option): New functions.
1273         (override_options): Remove parsing of option strings.
1274         * config/s390/s390.opt: New file.
1275
1276 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
1277
1278         * tree-complex.c (expand_vector_operations): Call
1279         update_stmt_if_modified.
1280
1281 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
1282
1283         * tree-vect-analyze (vect_determine_vectorization_factor):
1284         Do not use GET_MODE_NUNITS.
1285         * tree-vect-transform.c (vect_get_vec_def_for_operand,
1286         (vectorizable_load, vect_transform_loop): Likewise.
1287
1288 2005-04-11  Uros Bizjak  <uros@kss-loka.si>
1289
1290         * builtins.def (BUILT_IN_LCEIL, BUILT_IN_LCEILF, BUILT_IN_LCEILL)
1291         (BUILT_IN_LLCEIL, BUILT_IN_LLCEILF, BUILT_IN_LLCEILL): New.
1292         * optabs.h (enum optab_index): Add new OTI_lceil.
1293         (lceil_optab): Define corresponding macro.
1294         * optabs.c (init_optabs): Initialize lceil_optab.
1295         * genopinit.c (optabs): Implement lceil_optab using lceilsi2
1296         and lceildi2 patterns.
1297         * builtins.c (expand_builtin_int_roundingfn): Handle
1298         BUILT_IN_LCEIL{,F,L} and BUILT_IN_LLCEIL{,F,L}.
1299         (fold_builtin_int_roundingfn): Handle BUILT_IN_LCEIL{,F,L} and
1300         BUILT_IN_LLCEIL{,F,L}.
1301         (fold_builtin_1): Fold BUILT_IN_LCEIL{,F,L} and
1302         BUILT_IN_LLCEIL{,F,L} using fold_builtin_int_roundingfn.
1303         (mathfn_built_in): Handle BUILT_IN LCEIL and BUILT_IN_LLCEIL.
1304         (expand_builtin): Expand BUILT_IN_LCEIL{,F,L} and
1305         BUILT_IN_LLCEIL{,F,L} using expand_builtin_int_roundingfn.
1306         * convert.c (convert_to_integer): Convert (long int)ceil{,f,l},
1307         into lceil built-in function and (long long int)ceil{,f,l} into
1308         llceil built-in function.
1309         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LCEIL and
1310         BUILT_IN_LLCEIL.
1311
1312 2005-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1313
1314         * pa/quadlib.c (_U_Qfneg): Toggle sign bit instead of subtracting from
1315         zero.
1316
1317 2005-04-10  Kazu Hirata  <kazu@cs.umass.edu>
1318
1319         * config/arm/arm.c: Fix a comment typo.
1320         * doc/tree-ssa.texi: Fix a typo.
1321
1322 2005-04-10  Steven Bosscher  <stevenb@suse.de>
1323
1324         * cselib.c (clear_table): Rename to cselib_clear_table.
1325         * cselib.h (cselib_clear_table): Add prototype.
1326         * gcse.c (gcse_main): Make 'f' argument unused.
1327         (alloc_gcse_mem): Do not walk the insn chain, walk the contents
1328         of each basic block instead.
1329         (compute_sets, compute_hash_table_work): Likewise.
1330         (constprop_register): Change int 'alter_jumps' argument to bool.
1331         (do_local_cprop): Likewise.
1332         (local_cprop_pass): Likewise.  Also walk basic blocks instead of
1333         the insn chain.  Explicitly clear the cselib tables after finishing
1334         one basic block.  Make sure there are no unterminated libcall blocks.
1335         Update compute_sets call.
1336         (cprop): Walk basic blocks instead of the insn chain.
1337         (one_cprop_pass, compute_ld_motion_mems, compute_store_table):
1338         Likewise.
1339         (bypass_jumps): Update alloc_gcse_mem, compute_sets, and
1340         one_cprop_pass calls.
1341
1342 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
1343
1344         * combine.c (combine_simplify_rtx): Remove a transformation that
1345         relies on an invalid assumption about rtl sign-extension semantics.
1346
1347 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
1348
1349         * value-prof.c (tree_divmod_fixed_value_transform): Fix arguments
1350         to build_int_cst_wide.
1351
1352 2005-04-09  Alexandre Oliva  <aoliva@redhat.com>
1353
1354         PR target/20126
1355         * loop.c (loop_givs_rescan): If replacement of DEST_ADDR failed,
1356         set the original address pseudo to the correct value before the
1357         original insn, if possible, and leave the insn alone, otherwise
1358         create a new pseudo, set it and replace it in the insn.
1359         * recog.c (validate_change_maybe_volatile): New.
1360         * recog.h (validate_change_maybe_volatile): Declare.
1361
1362 2005-04-09  Caroline Tice  <ctice@apple.com>
1363
1364         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
1365         Remove targetm.have_named_sections test.
1366         (fix_edges_for_rarely_executed_code): Likewise.
1367         (insert_section_boundary_note): Likewise.
1368         (reorder_basic_blocks): Check partitioning flag before calling
1369         verify_hot_cold_block_grouping.
1370         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
1371         the function struct rather than global variables.
1372         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
1373         (COLD_END_LABEL): Likewise
1374         (cold_text_section_label): New static global variable.
1375         (cold_end_label): Likewise.
1376         (dwarf2out_switch_text_section): Get hot/cold section labels from
1377         the function struct rather than global variables.
1378         (output_aranges): Use cold_text_section_label and cold_end_label;
1379         check partitioning flag before putting out delta.
1380         (output_ranges): Remove incorrect code attempting to use
1381         hot/cold labels.
1382         (output_line_info): Get cold section label from function struct.
1383         (add_location_or_const_value_attribute): Likewise.
1384         (get_subprogram_die): Get hot/cold section labels from function struct.
1385         (dwarf2out_var_location): Likewise.
1386         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
1387         write out cold_text_section_label if partition flag is set.
1388         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
1389         * function.h (struct function): Add new fields to point to hot/cold
1390         section labels: hot_section_label, cold_section_label,
1391         hot_section_end_label and cold_section_end_label; also add new field
1392         for cold text section name, unlikely_text_section_name.
1393         * opts.c (decode_options): Turn off partitioning flag if
1394         !targetm.have_named_sections.
1395         * output.h (hot_section_label): Remove.
1396         (hot_section_end_label): Remove.
1397         (cold_section_end_label): Remove.
1398         (unlikely_section_label): Remove.
1399         (unlikely_text_section_name): Remove.
1400         * passes.c (rest_of_handle_final):  Remove code that frees
1401         unlikely_text_section_name.
1402         * varasm.c (unlikely_section_label): Remove.
1403         (hot_section_label): Remove.
1404         (hot_section_end_label): Remove.
1405         (cold_section_end_label): Remove.
1406         (unlikely_text_section_name):  Remove.
1407         (initialize_cold_section_name): Modify to call
1408         targetm.strip_name_encoding; to store cold section name in current
1409         function struct, if it exists; and to only use the decl_section_name
1410         if flag_named_sections is true.
1411         (unlikely_text_section): Modify to get section name out of current
1412         function struct, if there is one; otherwise build it from
1413         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
1414         (in_unlikely_text_section): Likewise.
1415         (named_section): Modify to get/put cold section name in current function
1416         struct, if there is one.
1417         (function_section):  Change 'bool unlikely' to 'int reloc'; check
1418         targetm.have_named_sections before calling named_section.
1419         (current_function_section): Likewise.
1420         (assemble_start_function): Modify to get/put unlikely_text_section_name
1421         in current function struct; modify to get hot/cold section labels
1422         from function struct; initialize labels using
1423         ASM_GENERATE_INTERNAL_LABEL;
1424         test partitioning flag before writing out hot section label.
1425         (assemble_end_function): Test partitioning flag before writing out
1426         hot/cold section labels.
1427         (default_section_type_flags_1):  Modify to use array instead of
1428          char* for unlikely_text_section_name; set flags correctly for
1429          cold text section if there is not a current function decl.
1430
1431 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
1432
1433         * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
1434         and TI_VA_LIST_FPR_COUNTER_FIELD.
1435         (va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
1436         * tree-pass.h (pass_stdarg): Add.
1437         * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
1438         * tree-stdarg.c: New file.
1439         * tree-stdarg.h: New file.
1440         * Makefile.in (OBJS-common): Add tree-stdarg.o.
1441         (tree-stdarg.o): Add dependencies.
1442         * function.h (struct function): Add va_list_gpr_size and
1443         va_list_fpr_size fields.
1444         * function.c (allocate_struct_function): Initialize them.
1445         * target.h (struct gcc_target): Add stdarg_optimize_hook.
1446         * target-def.h (TARGET_STDARG_OPTIMIZE_HOOK): Define.
1447         (TARGET_INITIALIZER): Add it.
1448
1449         * config/i386/i386.c (ix86_build_builtin_va_list): Initialize
1450         va_list_{g,f}pr_counter_field.
1451         (ix86_setup_incoming_varargs): Don't do anything if reg_save
1452         area will not be used.  Only save registers that tree-stdarg.c
1453         detected they need saving.
1454         (ix86_va_start): Don't set up fields that won't be used.
1455
1456         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
1457         va_list_{g,f}pr_counter_field.
1458         (setup_incoming_varargs): Don't do anything if reg_save
1459         area will not be used.  Only save registers that tree-stdarg.c
1460         detected they need saving.
1461         (rs6000_va_start): Don't set up fields that won't be used.
1462
1463         * config/alpha/alpha.c: Include tree-flow.h and tree-stdarg.h.
1464         (alpha_build_builtin_va_list): Initialize va_list_gpr_counter_field.
1465         (va_list_skip_additions, alpha_stdarg_optimize_hook): New functions.
1466         (TARGET_STDARG_OPTIMIZE_HOOK): Define.
1467
1468 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
1469
1470         PR target/20795
1471         * config/i386/i386.c (construct_container): Pass empty aligned
1472         struct, union or class in memory.
1473
1474 2005-04-09  Kazu Hirata  <kazu@cs.umass.edu>
1475
1476         * dominance.c, gthr-win32.h, reg-stack.c, tree-ssa-copy.c,
1477         tree-ssa-operands.c, tree-ssa.c, tree-vrp.c, varasm.c,
1478         config/alpha/alpha.c, config/arm/arm.c, config/m32r/m32r.h,
1479         config/rs6000/predicates.md: Fix comment typos.
1480
1481         * sched-int.h (haifa_insn_data): Remove blockage and units.
1482         (INSN_UNIT, INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK,
1483         ENCODE_BLOCKAGE, UNIT_BLOCKED, BLOCKAGE_RANGE,
1484         MIN_BLOCKAGE_COST, MAX_BLOCKAGE_COST): Remove.
1485
1486 2005-04-09  Jan Hubicka  <jh@suse.cz>
1487             Steven Bosscher  <stevenb@suse.de>
1488
1489         * cfglayout.c (copy_bbs): Rename n_edges to num_edges.
1490         * cfgloop.c (get_loop_exit_edges): Likewise.
1491         * cfgloopmanip.c (fix_irreducible_loops): Likewise.
1492         (unloop): Likewise.
1493         * loop-unroll.c (analyze_insns_in_loop): Likewise.
1494         * tree-cfg.c (dump_cfg_status): Likewise.
1495
1496 2005-04-09  David Edelsohn  <edelsohn@gnu.org>
1497
1498         * config/rs6000/predicates.md (altivec_register_operand): Remove
1499         redundant match_code test.
1500         (gpc_reg_operand): Same.
1501         (cc_reg_operand): Same.
1502         (cc_reg_not_cr0_operand): Same.
1503
1504 2005-04-09  Jan Hubicka  <jh@suse.cz>
1505
1506         Forgotten hunk from my last merge patch:
1507         * final.c (output_addr_const): Do not call mark_referenced.
1508
1509 2005-04-09  Andrew MacLeod  <amacleod@redhat.com>
1510
1511         * doc/tree-ssa.texi: Add immediate use documentation.
1512
1513 2005-04-09  Richard Earnshaw <richard.earnshaw@arm.com>
1514
1515         * arm.c (FL_WBUF): Define.
1516         (arm_tune_strongarm): Renamed from arm_is_strong.  All uses changed.
1517         (arm_is_6_or_7): Delete.
1518         (arm_tune_wbuf): New.
1519         (arm_override_options): Set arm_tune_wbuf.
1520         * arm.h (arm_tune_strongarm): Renamed from arm_is_strong.
1521         (arm_is_6_or_7): Delete declaration.
1522         (arm_tune_wbuf): New declartion.
1523         * arm.md (is_strongarm): Derive from arm_tune_strongarm.
1524         (model_wbuf): Derive from arm_tune_wbuf.
1525         * arm-cores.def (arm600, arm610, arm620, arm700, arm700i, arm710)
1526         (arm720, arm710c, arm7100, arm7500, arm7500fe, arm710t, arm720t)
1527         (arm740t): Mark CPUs as having a write buffer.
1528
1529 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
1530
1531         * config/i386/i386.md (*fp_jcc_7_387): Use 'const0_operand' instead
1532         of 'const_double_operand' in operand 2 constraints.  Update enable
1533         condition.
1534
1535 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
1536
1537         * builtins.def (BUILT_IN_LFLOOR, BUILT_IN_LFLOORF, BUILT_IN_LFLOORL)
1538         (BUILT_IN_LLFLOOR, BUILT_IN_LLFLOORF, BUILT_IN_LLFLOORL): New.
1539         * optabs.h (enum optab_index): Add new OTI_lfloor.
1540         (lfloor_optab): Define corresponding macro.
1541         * optabs.c (init_optabs): Initialize lfloor_optab.
1542         * genopinit.c (optabs): Implement lfloor_optab using lfloorsi2
1543         and lfloordi2 patterns.
1544         * builtins.c (expand_builtin_int_roundingfn): New prototype.
1545         (expand_builtin_int_roundingfn): New function.
1546         (fold_builtin_int_roundingfn): New prototype.
1547         (fold_builtin_int_roundingfn): New function, renamed from
1548         fold_builtin_lround.
1549         Handle BUILT_IN_LROUND{,F,L}, BUILT_IN_LLROUND{,F,L} and
1550         BUILT_IN_LFLOOR{,F,L}, BUILT_IN_LLFLOOR{,F,L}.
1551         (fold_builtin_1): Fold BUILT_IN_LFLOOR{,F,L} and
1552         BUILT_IN_LLFLOOR{,F,L} using fold_builtin_int_roundingfn.
1553         (mathfn_built_in): Handle BUILT_IN LFLOOR and BUILT_IN_LLFLOOR.
1554         (expand_builtin): Expand BUILT_IN_LFLOOR{,F,L} and
1555         BUILT_IN_LLFLOOR{,F,L} using expand_builtin_int_roundingfn.
1556         * convert.c (convert_to_integer): Convert (long int)floor{,f,l},
1557         into lfloor built-in function and (long long int)floor{,f,l} into
1558         llfloor built-in function.
1559         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LFLOOR and
1560         BUILT_IN_LLFLOOR.
1561
1562 2005-04-08  Ian Lance Taylor  <ian@airs.com>
1563
1564         * c-common.def: Move FOR_STMT, WHILE_STMT, DO_STMT, BREAK_STMT,
1565         CONTINUE_STMT, and SWITCH_STMT to cp/cp-tree.def.
1566         * c-common.h (WHILE_COND, WHILE_BODY): Move to cp/cp-tree.h.
1567         (DO_COND, DO_BODY): Likewise.
1568         (FOR_INIT_STMT, FOR_COND, FOR_EXPR, FOR_BODY): Likewise.
1569         (SWITCH_STMT_COND, SWITCH_STMT_BODY, SWITCH_STMT_TYPE): Likewise.
1570         (c_common_stmt_codes): Remove FOR_STMT, WHILE_STMT, DO_STMT,
1571         BREAK_STMT, CONTINUE_STMT, and SWITCH_STMT.
1572         (build_continue_stmt, build_break_stmt): Don't declare.
1573         (c_do_switch_warnings): Update declaration.
1574         * c-gimplify.c (enum bc_t): Remove.
1575         (struct c_gimplify_ctx, ctxp): Remove.
1576         (push_context, pop_context): Remove static functions.
1577         (c_genericize): Don't call push_context or pop_context.
1578         (begin_bc_block, finish_bc_block): Remove static functions.
1579         (build_bc_goto): Likewise.
1580         (gimplify_c_loop): Likewise.
1581         (gimplify_for_stmt, gimplify_while_stmt): Likewise.
1582         (gimplify_do_stmt, gimplify_switch_stmt): Likewise.
1583         (c_gimplify_expr): Remove handling of FOR_STMT, WHILE_STMT,
1584         DO_STMT, SWITCH_STMT, CONTINUE_STMT, BREAK_STMT.
1585         * c-common.c (c_do_switch_warnings): Rename from
1586         c_do_switch_warnings_1.
1587         (c_do_switch_warnings) [old version]: Remove.
1588         (c_do_switch_expr_warnings): Remove.
1589         * c-typeck.c (c_finish_case): Call new c_do_switch_warnings
1590         function instead of c_do_switch_expr_warnings.
1591         * c-dump.c (c_dump_tree): Remove handling of BREAK_STMT,
1592         CONTINUE_STMT, DO_STMT, FOR_STMT, SWITCH_STMT, and WHILE_STMT.
1593         * c-pretty-print.c (pp_c_statement): Likewise.
1594         * c-semantics.c (build_break_stmt, build_continue_stmt): Remove.
1595
1596 2005-04-08  Devang Patel  <dpatel@apple.com>
1597
1598         * tree-if-conv.c (find_phi_replacement_condition): New parameter, loop.
1599         While selecting replacement condition pay attention to loop header.
1600
1601 2005-04-08  Diego Novillo  <dnovillo@redhat.com>
1602
1603         Merge from tree-cleanup-branch: VRP, store CCP, store
1604             copy-prop, incremental SSA updating of FUD chains and
1605             newly exposed symbols.
1606
1607         * Makefile.in (tree-ssa-copy.o): Depend on tree-ssa-propagate.h.
1608         (OBJS-common): Add tree-vrp.o.
1609         (tree-vrp.o): New rule.
1610         * basic-block.h (nearest_common_dominator_for_set): Declare.
1611         * common.opt (ftree-store-ccp): New flag.
1612         (ftree-copy-prop): New flag.
1613         (ftree-vrp): New flag.
1614         (ftree-store-copy-prop): New flag.
1615         * dominance.c (nearest_common_dominator_for_set): New.
1616         * domwalk.c (walk_dominator_tree): Only traverse
1617         statements in blocks marked in walk_data->interesting_blocks.
1618         * domwalk.h (struct dom_walk_data): Add field interesting_blocks.
1619         * fold-const.c (fold): Handle ASSERT_EXPR.
1620         * opts.c (decode_options): Set flag_tree_copy_prop at -O1.
1621         Set flag_tree_store_ccp, flag_tree_store_copy_prop and
1622         flag_tree_vrp at -O2.
1623         * timevar.def (TV_TREE_VRP): Define.
1624         (TV_TREE_COPY_PROP): Define.
1625         (TV_TREE_STORE_COPY_PROP): Define.
1626         (TV_TREE_SSA_INCREMENTAL): Define.
1627         (TV_TREE_STORE_CCP): Define.
1628         * tree-cfg.c (tree_can_merge_blocks_p): Remove reference
1629         to kill_redundant_phi_nodes from comment.
1630         (verify_expr): Handle ASSERT_EXPR.
1631         * tree-dfa.c (mark_new_vars_to_rename): Remove second
1632         argument.  Update all users.
1633         (mark_call_clobbered_vars_to_rename): Remove.  Update all
1634         users.
1635         * tree-flow-inline.h (unmodifiable_var_p): New.
1636         * tree-flow.h (enum value_range_type): Declare.
1637         (struct value_range_def): Declare.
1638         (value_range): Declare.
1639         (remove_all_phi_nodes_for): Remove.  Update all users.
1640         (find_phi_node_for): Declare.
1641         (add_type_alias): Declare.
1642         (count_uses_and_derefs): Declare.
1643         (kill_redundant_phi_nodes): Remove.
1644         (rewrite_into_ssa): Remove.
1645         (rewrite_def_def_chains): Remove.
1646         (update_ssa, register_new_name_mapping, create_new_def_for,
1647         need_ssa_update_p, name_registered_for_update_p,
1648         release_ssa_name_after_update_ssa, dump_repl_tbl,
1649         debug_repl_tbl, dump_names_replaced_by,
1650         debug_names_replaced_by, mark_sym_for_renaming,
1651         mark_set_for_renaming, get_current_def, set_current_def,
1652         get_value_range, dump_value_range, debug_value_range,
1653         dump_all_value_ranges, debug_all_value_ranges,
1654         expr_computes_nonzero, loop_depth_of_name,
1655         unmodifiable_var_p): Declare.
1656         * tree-gimple.c (is_gimple_formal_tmp_rhs): Handle
1657         ASSERT_EXPR.
1658         * tree-into-ssa.c (block_defs_stack): Update comment.
1659         (old_ssa_names, new_ssa_names, old_virtual_ssa_names,
1660         syms_to_rename, names_to_release, repl_tbl,
1661         need_to_initialize_update_ssa_p, need_to_update_vops_p,
1662         need_to_replace_names_p): New locals.
1663         (NAME_SETS_GROWTH_FACTOR): Define.
1664         (struct repl_map_d): Declare.
1665         (struct mark_def_sites_global_data): Add field
1666         interesting_blocks.
1667         (enum rewrite_mode): Declare.
1668         (REGISTER_DEFS_IN_THIS_STMT): Define.
1669         (compute_global_livein): Use last_basic_block instead of
1670         n_basic_blocks.
1671         (set_def_block): Remove last argument.  Update all callers.
1672         (prepare_use_operand_for_rename): Remove.  Update all callers.
1673         (prepare_def_operand_for_rename): Remove.  Update all callers.
1674         (symbol_marked_for_renaming): New.
1675         (is_old_name): New.
1676         (is_new_name): New.
1677         (repl_map_hash): New.
1678         (repl_map_eq): New.
1679         (repl_map_free): New.
1680         (names_replaced_by): New.
1681         (add_to_repl_tbl): New.
1682         (add_new_name_mapping): New.
1683         (mark_def_sites): Assume that all the operands in the
1684         statement are in normal form.
1685         (find_idf): Assert that the block in the stack is valid.
1686         (get_default_def_for): New.
1687         (insert_phi_nodes_for): Add new argument 'update_p'.
1688         Add documentation.
1689         If update_p is true, add a new mapping between the LHS of
1690         each new PHI and the name that it replaces.
1691         (insert_phi_nodes_1): Only call find_idf if needed.
1692         (get_reaching_def): Call get_default_def_for.
1693         (rewrite_operand): Remove.
1694         (rewrite_stmt): Do nothing if REGISTER_DEFS_IN_THIS_STMT
1695         and REWRITE_THIS_STMT are false.
1696         Assume that all the operands in the statement are in
1697         normal form.
1698         (rewrite_add_phi_arguments): Don't use PHI_REWRITTEN.
1699         (rewrite_virtual_phi_arguments): Remove.
1700         (invalidate_name_tags): Remove.
1701         (register_new_update_single, register_new_update_set,
1702         rewrite_update_init_block, replace_use,
1703         rewrite_update_fini_block, rewrite_update_stmt,
1704         rewrite_update_phi_arguments): New.
1705         rewrite_blocks): Remove argument 'fix_virtual_phis'.
1706         Add arguments 'entry', 'what' and 'blocks'.
1707         Initialize the dominator walker according to 'what' and
1708         'blocks'.
1709         Start the dominator walk at 'entry'.
1710         (mark_def_site_blocks): Add argument 'interesting_blocks'.
1711         Use it to configure the dominator walker.
1712         (rewrite_into_ssa): Remove argument 'all'.
1713         Make internal.
1714         (rewrite_all_into_ssa): Remove.
1715         (rewrite_def_def_chains): Remove.
1716         (mark_def_interesting, mark_use_interesting,
1717         prepare_phi_args_for_update, prepare_block_for_update,
1718         prepare_def_site_for, prepare_def_sites,
1719         dump_names_replaced_by, debug_names_replaced_by,
1720         dump_repl_tbl, debug_repl_tbl, init_update_ssa,
1721         delete_update_ssa, create_new_def_for,
1722         register_new_name_mapping, mark_sym_for_renaming,
1723         mark_set_for_renaming, need_ssa_update_p,
1724         name_registered_for_update_p, ssa_names_to_replace,
1725         release_ssa_name_after_update_ssa,
1726         insert_updated_phi_nodes_for, update_ssa): New.
1727         * tree-loop-linear.c (linear_transform_loops): Call
1728         update_ssa instead of rewrite_into_ssa.
1729         * tree-optimize.c (vars_to_rename): Remove.
1730         Update all users.
1731         (init_tree_optimization_passes): Replace
1732         pass_redundant_phi with pass_copy_prop.
1733         Add pass_vrp.
1734         Replace pass_ccp with pass_store_ccp.
1735         Add pass_store_copy_prop after pass_store_ccp.
1736         (execute_todo): If the TODO_ flags don't include updating
1737         the SSA form, assert that it does not need to be updated.
1738         Call update_ssa instead of rewrite_into_ssa and
1739         rewrite_def_def_chains.
1740         If TODO_verify_loops is set, call verify_loop_closed_ssa.
1741         (tree_rest_of_compilation):
1742         * tree-pass.h (TODO_dump_func, TODO_ggc_collect,
1743         TODO_verify_ssa, TODO_verify_flow, TODO_verify_stmts,
1744         TODO_cleanup_cfg): Renumber.
1745         (TODO_verify_loops, TODO_update_ssa,
1746         TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
1747         TODO_update_ssa_only_virtuals): Define.
1748         (pass_copy_prop, pass_store_ccp, pass_store_copy_prop, pass_vrp):
1749         Declare.
1750         * tree-phinodes.c (make_phi_node): Update documentation.
1751         (remove_all_phi_nodes_for): Remove.
1752         (find_phi_node_for): New.
1753         * tree-pretty-print.c (dump_generic_node): Handle ASSERT_EXPR.
1754         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Likewise.
1755         (interpret_rhs_modify_expr): Likewise.
1756         * tree-sra.c (decide_instantiations): Mark all symbols in
1757         SRA_CANDIDATES for renaming.
1758         (mark_all_v_defs_1): Rename from mark_all_v_defs.
1759         (mark_all_v_defs): New function.  Update all users to call it
1760         with the whole list of scalarized statements, not just the
1761         first one.
1762         * tree-ssa-alias.c (count_ptr_derefs): Make extern.
1763         (compute_flow_insensitive_aliasing): If the tag is
1764         unmodifiable and the variable isn't or vice-versa, don't
1765         make them alias of each other.
1766         (setup_pointers_and_addressables): If the type tag for
1767         VAR is about to change, mark the old one for renaming.
1768         (add_type_alias): New.
1769         * tree-ssa-ccp.c: Document SSA-CCP and STORE-CCP.
1770         (ccp_lattice_t): Rename from latticevalue.
1771         (value): Remove.  Update all users.
1772         (const_val): New local variable.
1773         (do_store_ccp): New local variable.
1774         (dump_lattice_value): Handle UNINITIALIZED.
1775         (debug_lattice_value): New.
1776         (get_default_value): Re-write.
1777         (set_lattice_value): Re-write.
1778         (def_to_varying): Remove.  Update all users.
1779         (likely_value): Return VARYING for statements that make
1780         stores when STORE_CCP is false.
1781         Return VARYING for any statement other than MODIFY_EXPR,
1782         COND_EXPR and SWITCH_EXPR.
1783         (ccp_initialize): Re-write.
1784         (replace_uses_in, replace_vuse_in, substitute_and_fold):
1785         Move to tree-ssa-propagate.c.
1786         (ccp_lattice_meet): Handle memory stores when
1787         DO_STORE_CCP is true.
1788         (ccp_visit_phi_node): Likewise.
1789         (ccp_fold): Likewise.
1790         (evaluate_stmt): Likewise.
1791         (visit_assignment): Likewise.
1792         (ccp_visit_stmt): Likewise.
1793         (execute_ssa_ccp): Add argument 'store_ccp'.  Copy it
1794         into DO_STORE_CCP.
1795         (do_ssa_ccp): New.
1796         (pass_ccp): Use it.
1797         (do_ssa_store_ccp): New.
1798         (gate_store_ccp): New.
1799         (pass_store_ccp): Declare.
1800         * tree-ssa-copy.c: Include tree-ssa-propagate.h.
1801         (may_propagate_copy): Reformat.
1802         Don't abort if ORIG is a virtual and DEST isn't.
1803         If NEW does not have alias information but DEST does,
1804         copy it.
1805         (copy_of, cached_last_copy_of, do_store_copy_prop, enum
1806         copy_prop_kind, which_copy_prop): Declare.
1807         (stmt_may_generate_copy, get_copy_of_val,
1808         get_last_copy_of, set_copy_of_val, dump_copy_of,
1809         copy_prop_visit_assignment, copy_prop_visit_cond_stmt,
1810         copy_prop_visit_stmt, copy_prop_visit_phi_node,
1811         init_copy_prop, fini_copy_prop, execute_copy_prop,
1812         gate_copy_prop, do_copy_prop, gate_store_copy_prop,
1813         store_copy_prop): New.
1814         (pass_copy_prop, pass_store_copy_prop): Declare.
1815         * tree-ssa-dom.c (struct opt_stats_d): Add fields
1816         'num_const_prop' and 'num_copy_prop'.
1817         (cprop_operand): Update them.
1818         (dump_dominator_optimization_stats): Dump them.
1819         (tree_ssa_dominator_optimize): Call update_ssa instead of
1820         rewrite_into_ssa.
1821         (loop_depth_of_name): Declare extern.
1822         (simplify_cond_and_lookup_avail_expr): Guard against NULL
1823         values for LOW or HIGH.
1824         (cprop_into_successor_phis): Only propagate if NEW != ORIG.
1825         (record_equivalences_from_stmt): Call expr_computes_nonzero.
1826         (cprop_operand): Only propagate if VAL != OP.
1827         * tree-ssa-dse.c (dse_optimize_stmt): Mark symbols in removed
1828         statement for renaming.
1829         * tree-ssa-loop-im.c (move_computations): Call update_ssa.
1830         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call
1831         add_type_alias if necessary.
1832         Call mark_new_vars_to_rename.
1833         (tree_ssa_iv_optimize): If new symbols need to be renamed,
1834         mark every statement updated, call update_ssa and
1835         rewrite_into_loop_closed_ssa.
1836         * tree-ssa-loop-manip.c (add_exit_phis): Do not remove DEF_BB
1837         from LIVEIN if VAR is a virtual.
1838         * tree-ssa-loop.c (tree_loop_optimizer_init): Call update_ssa.
1839         * tree-ssa-operands.c (get_expr_operands): Handle ASSERT_EXPR.
1840         (get_call_expr_operands): Reformat statement.
1841         (add_stmt_operand): Don't create V_MAY_DEFs for read-only
1842         symbols.
1843         * tree-ssa-propagate.c (ssa_prop_init): Initialize
1844         SSA_NAME_VALUE for every name.
1845         (first_vdef, stmt_makes_single_load, stmt_makes_single_store,
1846         get_value_loaded_by): New.
1847         (replace_uses_in, replace_vuses_in, replace_phi_args_in,
1848         substitute_and_fold): Move from tree-ssa-ccp.c.
1849         * tree-ssa-propagate.h (struct prop_value_d, prop_value_t,
1850         first_vdef, stmt_makes_single_load, stmt_makes_single_store,
1851         get_value_loaded_by, replace_uses_in, substitute_and_fold):
1852         Declare.
1853         * tree-ssa.c (verify_use): Fix error message.
1854         (propagate_into_addr, replace_immediate_uses, get_eq_name,
1855         check_phi_redundancy, kill_redundant_phi_nodes,
1856         pass_redundant_phi): Remove.  Update all users.
1857         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
1858         add_type_alias, if necessary.
1859         * tree-vectorizer.h (struct _stmt_vect_info): Update
1860         documentation for field 'memtag'.
1861         * tree-vrp.c: New file.
1862         * tree.def (ASSERT_EXPR): Define.
1863         * tree.h (ASSERT_EXPR_VAR): Define.
1864         (ASSERT_EXPR_COND): Define.
1865         (SSA_NAME_VALUE_RANGE): Define.
1866         (struct tree_ssa_name): Add field 'value_range'.
1867         (PHI_REWRITTEN): Remove.
1868         (struct tree_phi_node): Remove field 'rewritten'.
1869         * doc/invoke.texi (-fdump-tree-storeccp, -ftree-copy-prop,
1870         -ftree-store-copy-prop): Document.
1871         * doc/tree-ssa.texi: Remove broken link to McCAT's compiler.
1872         Document usage of update_ssa.
1873
1874 2005-04-08  David Edelsohn  <edelsohn@gnu.org>
1875
1876         PR target/20814
1877         * config/rs6000/predicates.md (altivec_register_operand): Accept
1878         SUBREG.
1879         (and64_operand): Do not limit CONST_INT to mask64_operand.
1880         (and64_2_operand): Do not limit CONST_INT to mask64_1or2_operand.
1881         (and_operand): Do not limit CONST_INT to mask_operand.
1882
1883 2005-04-09  Hans-Peter Nilsson  <hp@axis.com>
1884
1885         PR rtl-optimization/20466
1886         * flow.c (invalidate_mems_from_set): Handle a MEM by checking it
1887         for overlap of the address of each list member.
1888         (mark_set_1): Call invalidate_mems_from_set for MEMs too.
1889
1890 2005-04-08  Mike Stump  <mrs@apple.com>
1891
1892         * config/darwin.c (indirect_data): Fix typo in strncmp logic.
1893
1894         * config/rs6000/rs6000.c (rs6000_emit_prologue): Use 5 nops,
1895         instead of 4.
1896
1897 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
1898
1899         * c-tree.h (C_LANG_TREE_NODE_CHAIN_NEXT): Remove.
1900
1901         * function.c (push_function_context_to): Don't set
1902         contains_functions.
1903         * function.h (function): Remove contains_functions.
1904         (current_function_contains_functions): Remove.
1905
1906         * function.h (function): Remove instrument_entry_exit.
1907         (current_function_instrument_entry_exit): Remove.
1908
1909         * function.h (nonlocal_labels): Remove.
1910
1911         * tree.h (STRIP_MAIN_TYPE_NOPS): Remove.
1912
1913         * genattrtab.c (attr_desc): Remove negative_ok and unsigned_p.
1914         (check_attr_value, write_attr_get, write_expr_attr_cache,
1915         find_attr, make_internal_attr): Don't reference negative_ok or
1916         unsigned_p.
1917         * genattrtab.h (ATTR_NEGATIVE_OK, ATTR_UNSIGNED,
1918         ATTR_FUNC_UNITS, ATTR_BLOCKAGE): Remove.
1919         (ATTR_STATIC): Adjust the value.
1920
1921         * c-common.h (C_ARTIFICIAL_STRING_P): Remove.
1922
1923 2005-04-08  Ulrich Weigand  <uweigand@de.ibm.com>
1924
1925         * config/s390/tpf.h (ASM_SPEC): Define.
1926
1927 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
1928
1929         * tree-flow.h: Remove the prototype for
1930         redirect_immediate_uses.
1931         (TDFA_USE_OPS, TDFA_USE_VOPS): Remove.
1932
1933 2005-04-08  Richard Earnshaw  <richard.earnshaw@arm.com>
1934
1935         * arm.c (arm_const_double_by_parts): New function.
1936         * arm-protos.h (arm_const_double_by_parts): Add prototype.
1937         * arm.md (define_split for 64-bit constants): Add another one.
1938
1939 2005-04-08  Andrew MacLeod  <amacleod@redhat.com>
1940
1941         * tree-ssa-operands.c (correct_use_link): Remove linear scan.
1942
1943 2005-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1944
1945         * system.h: Revert last change.
1946
1947 2005-04-08  Richard Sandiford  <rsandifo@redhat.com>
1948
1949         * config/xtensa/xtensa.h (target_flags, MASK_NO_FUSED_MADD)
1950         (MASK_CONST16, TARGET_NO_FUSED_MADD, TARGET_CONST16)
1951         (TARGET_SWITCHES): Delete.
1952         * config/xtensa/xtensa.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
1953         * config/xtensa/xtensa.md (muladdsf3, mulsubsf3): Check
1954         TARGET_FUSED_MADD instead of !TARGET_NO_FUSED_MADD.
1955         * config/xtensa/xtensa.opt: New file.
1956
1957 2005-04-08  Ben Elliston  <bje@au.ibm.com>
1958
1959         * config/fp-bit.c: Include L_mul_tf in #endif comment.
1960         * config/fp-bit.h: Tidy comments.
1961
1962 2005-04-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1963
1964         * system.h: Poison PARAMS.
1965
1966 2005-04-07  Richard Sandiford  <rsandifo@redhat.com>
1967
1968         * config/vax/vax.h (target_flags, MASK_UNIX_ASM, MASK_VAXC_ALIGNMENT)
1969         (MASK_G_FLOAT, TARGET_UNIX_ASM, TARGET_VAXC_ALIGNMENT, TARGET_G_FLOAT)
1970         (TARGET_SWITCHES): Delete.
1971         * config/vax/vax.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
1972         * config/vax/vax.opt: New file.
1973
1974 2005-04-07  Daniel Berlin  <dberlin@dberlin.org>
1975
1976         * tree-ssa-dse.c (dse_optimize_stmt): Fix incorrect comment.
1977
1978 2005-04-07  Ian Lance Taylor  <ian@airs.com>
1979
1980         * config/iq2000/iq2000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Don't
1981         define.
1982         * config/mips/mips.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
1983         * config/sparc/sparc.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE):
1984         Likewise.
1985
1986 2005-04-07  Kazu Hirata  <kazu@cs.umass.edu>
1987
1988         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Consider
1989         all immediate uses in PHI nodes.
1990
1991 2005-04-07  Richard Earnshaw  <richard.earnshaw@arm.com>
1992
1993         * arm.c (arm_const_double_inline_cost): Handle any constant by
1994         using gen_lowpart and gen_highpart_mode.
1995         (note_invalid_constants): All constants in an RTX with a constraint
1996         that permits memory are now pushed to the constant pool.
1997         (output_move_double): Delete code to handle reg to reg and
1998         constant to reg moves.
1999         (const_double_needs_minipool, output_mov_immediate): Delete.
2000         * arm.h (EXTRA_CONSTRAINT_STR_ARM): All 'D' variants now handle
2001         CONST_INT and CONST_VECTOR.
2002         * arm.md (ANY64): New mode macro.
2003         (arm_movdi): Split reg-reg and const-reg moves.  Simplify constraints.
2004         (movdf_soft_insn): Split reg-reg and const-reg moves.
2005         (split patterns for 64-bit constant and register moves): New.
2006         * cirrus.md (cirrus_arm_movdi): Split reg-reg and const-reg moves.
2007         (cirrus_movdf_hard_insn): Likewise.
2008         * fpa.md (movdf_fpa): Likewise.
2009         * iwmmxt.md (iwmmxt_arm_movdi): Likewise.
2010         (movv8qi_internal, movv4hi_internal, movv2si_internal): Fix
2011         constraints.
2012         (movv2si_internal_2): Likewise.
2013         * vfp.md (arm_movdi_vfp): Split reg-reg and const-reg moves.
2014         (movdf_vfp): Likewise.
2015         * arm-protos.h (output_mov_immediate): Delete prototype.
2016
2017 2005-04-07  Joseph S. Myers  <joseph@codesourcery.com>
2018
2019         PR target/20093
2020         * simplify-rtx.c (simplify_unary_operation_1): Check
2021         SUBREG_PROMOTED_UNSIGNED_P (op) > 0 for zero-extension.
2022
2023 2005-04-06  James E Wilson  <wilson@specifixinc.com>
2024
2025         PR target/20717
2026         * cgraphunit.c (record_call_1, case FDESC_EXPR): Handle same as
2027         ADDR_EXPR.
2028
2029 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
2030
2031         * coverage.h (GCOV_TYPE_NODE): Delete.
2032         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref)
2033         (build_ctr_info_type): Use get_gcov_type () instead of GCOV_TYPE_NODE.
2034         * tree-profile.c (tree_gen_edge_profiler, tree_gen_interval_profiler)
2035         (tree_gen_pow2_profiler, tree_gen_one_value_profiler): Likewise.
2036         * value-prof.c (tree_divmod_fixed_value_transform): Delete.
2037
2038 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
2039
2040         PR other/20792
2041         * Makefile.in (gcc.pot): Remove options.c dependency.
2042         * optc-gen.awk: Don't quote help strings with N_().
2043
2044 2005-04-06  James A. Morrison  <phython@gcc.gnu.org>
2045
2046         * c-common.c (handle_malloc_atttribute): Only set DECL_IS_MALLOC if
2047         the function returns a pointer type.
2048
2049 2005-04-06  Daniel Berlin  <dberlin@dberlin.org>
2050
2051         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): New
2052         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): New
2053         * doc/invoke.texi: Documnet salias-max-implicit-fields.
2054         * tree-ssa-alias.c (struct used_part): Add implicit_uses and
2055         explicit_uses members.
2056         (get_or_create_used_part_for): Initialize new fields.
2057         (fieldoff_compare): New function.
2058         (create_overlap_variables_for): Count number of fields, use
2059         heuristic to determine whether to create subvars for vars with
2060         only implicit uses.
2061         Sort the field list by offset and avoid creating duplicate SFT's.
2062
2063 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
2064
2065         * c.opt (-F): Remove trailing whitespace from help string.
2066         (-finput-charset): Use a tab to separate the switch name and help
2067         string.
2068         * common.opt (-fsched-stalled-insns, -fsched-stalled-insns-dep)
2069         (-ftree-vectorizer-verbose): Likewise.
2070
2071 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
2072
2073         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Look at
2074         a PHI argument where a use occurs instead of all PHI arguments.
2075
2076 2005-04-06  Joseph S. Myers  <joseph@codesourcery.com>
2077
2078         * c-decl.c (finish_decl): Apply pending #pragma weak regardless of
2079         scope.
2080
2081 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
2082
2083         * cse.c, tree-flow-inline.h, tree-flow.h, tree-ssa-operands.c,
2084         tree-ssa-sink.c, tree.h, config/bfin/bfin.c,
2085         config/bfin/bfin.h: Fix comment typos.
2086
2087 2005-04-06  Ranjit Mathew  <rmathew@hotmail.com>
2088
2089         * doc/install.texi: Update the URL for Jacks.
2090         * doc/sourcebuild.texi: Likewise.
2091
2092 2005-04-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
2093
2094         PR target/17245
2095         * config/sparc/sparc.c (legitimate_address_p): Remove 'imm2'.
2096         Revert 2004-10-08 patch.  Reject TFmode LO_SUM in 32-bit mode.
2097
2098 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
2099
2100         * Makefile.in (LIBGCC2_CFLAGS): Revert -pipe change.
2101
2102 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
2103
2104         * config/v850/v850-protos.h (override_options): Delete.
2105         * config/v850/v850.h (target_flags, MASK_GHS, MASK_LONG_CALLS, MASK_EP)
2106         (MASK_PROLOG_FUNCTION, MASK_DEBUG, MASK_V850, MASK_V850E)
2107         (MASK_SMALL_SLD, MASK_BIG_SWITCH, MASK_NO_APP_REGS, MASK_DISABLE_CALLT)
2108         (MASK_STRICT_ALIGN, MASK_US_BIT_SET, MASK_US_MASK_SET, TARGET_GHS)
2109         (TARGET_LONG_CALLS, TARGET_EP, TARGET_PROLOG_FUNCTION, TARGET_V850)
2110         (TARGET_BIG_SWITCH, TARGET_DEBUG, TARGET_V850E, TARGET_US_BIT_SET)
2111         (TARGET_SMALL_SLD, TARGET_DISABLE_CALLT, TARGET_NO_APP_REGS)
2112         (TARGET_STRICT_ALIGN, TARGET_SWITCHES, TARGET_OPTIONS)
2113         (OVERRIDE_OPTIONS): Delete.
2114         (MASK_CPU): Redefine as MASK_V850 | MASK_V850E.
2115         (small_memory_info): Remove the value field.
2116         (CONDITIONAL_REGISTER_USAGE): Check !TARGET_APP_REGS rather than
2117         TARGET_NO_APP_REGS.
2118         * config/v850/v850.c (small_memory): Remove the value field.
2119         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
2120         (override_options): Delete.
2121         (v850_handle_memory_option, v850_handle_option): New functions.
2122         * config/v850/v850.opt: New file.
2123
2124 2005-04-06  Geoffrey Keating  <geoffk@apple.com>
2125
2126         * config.host: Add a section for generic hosts, and a subsection
2127         for Darwin.  Add a case for x86-darwin.  Update ppc-darwin case.
2128         * config/host-darwin.c: New, split out of config/rs6000/host-darwin.c.
2129         * config/host-darwin.h: New.
2130         * config/x-darwin: New.
2131         * config/i386/host-i386-darwin.c: New.
2132         * config/i386/x-darwin: New.
2133         * config/rs6000/host-darwin.c: Include host-darwin.h.
2134         (darwin_rs6000_gt_pch_get_address): Move to config/host-darwin.c.
2135         (darwin_rs6000_gt_pch_use_address): Likewise.
2136         * config/rs6000/x-darwin: Change name of .o built, update
2137         dependencies for changes to rs6000/host-darwin.c.
2138
2139 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
2140
2141         PR target/17824
2142         * config/c4x/c4x.h (ASM_PROG, LD_PROG): Remove.
2143
2144 2005-04-06  Dorit Naishlos  <dorit@il.ibm.com>
2145
2146         * tree-vect-analyze.c (vect_analyze_loop_form): Call
2147         split_loop_exit_edge instead of loop_split_edge_with.
2148
2149 2005-04-06  Paolo Bonzini  <bonzini@gnu.org>
2150
2151         * config/rs6000/altivec.md (UNSPEC_VSLW, UNSPEC_SUBS,
2152         UNSPEC_SET_VSCR): New constants, used throughout.
2153         (*andc3_v4sf): New.
2154         (altivec_vspltisb, altivec_vsplitish, altivec_vsplitisw):
2155         Replace with...
2156         (altivec_vspltis<VI_char>): ... this pattern, using
2157         a QImode const_int_operand for the immediate.
2158         (abs<mode>2, absv4sf2, altivec_abss_<mode>): Rewrite as
2159         define_expands.
2160
2161 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
2162
2163         PR target/17822
2164         * config/avr/t-avr (AR_FOR_TARGET,RANLIB_FOR_TARGET): Remove.
2165
2166 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
2167
2168         * Makefile.in (LIBGCC2_CFLAGS): Compile with -pipe.
2169
2170 2005-04-06  Ben Elliston  <bje@au.ibm.com>
2171
2172         * gcc.c: Correct comment about DEFAULT_SWITCH_TAKES_ARG and
2173         DEFAULT_WORD_SWITCH_TAKES_ARG which incorrectly reported these
2174         macros as living in "this file" and not gcc.h.
2175
2176 2005-04-06  Ben Elliston  <bje@au.ibm.com>
2177
2178         * doc/invoke.texi (Optimize Options): Mention -ftree-lrs, not
2179         -ftree-live_range_split.  Perhaps renamed at some point?
2180
2181 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
2182
2183         PR target/20625
2184         * tree-ssa-loop-ivopts.c (generic_type_for): New function.
2185         (add_candidate_1): Use generic_type_for instead of unsigned_type_for.
2186
2187 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
2188
2189         * tree-flow.h (number_of_iterations_cond): Declaration removed.
2190         * tree-ssa-loop-niter.c (number_of_iterations_cond): Made static.
2191         (number_of_iterations_special): New function.
2192         (number_of_iterations_exit): Use number_of_iterations_special.
2193         Use simplify_using_outer_evolutions only at -O3.
2194         (number_of_iterations_cond, tree_simplify_using_condition,
2195         simplify_using_initial_conditions, loop_niter_by_eval,
2196         compare_trees, can_count_iv_in_wider_type_bound,
2197         simplify_using_outer_evolutions): Use fold_build.
2198
2199 2005-04-05  Thomas Fitzsimmons  <fitzsim@redhat.com>
2200
2201         * doc/install.texi (Configuration): Document --with-java-home.
2202
2203 2005-04-05  Richard Henderson  <rth@redhat.com>
2204
2205         PR target/20342
2206         PR target/20447
2207         * config/i386/i386.c (print_operand): Handle vector zeros.
2208         (ix86_split_to_parts): Handle CONST_VECTOR.
2209         (ix86_hard_regno_mode_ok): Allow MMX modes in general regs.
2210         (ix86_modes_tieable_p): Use ix86_hard_regno_mode_ok to decide
2211         what modes to tie for MMX and SSE registers.
2212         * config/i386/i386.h (MMX_REG_MODE_P): Remove.
2213         * config/i386/i386.md: Extend move 0 -> xor peephole to apply
2214         to vector modes as well.
2215         * config/i386/predicates.md (const0_operand): Handle VOIDmode
2216         properly as an input mode.
2217
2218 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
2219
2220         * tree-ssa-operands.c (verify_abort): Use %p for pointers.
2221
2222 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
2223
2224         * tree-pretty-print.c (dump_generic_node): Use %p for pointer.
2225
2226 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
2227
2228         * config/i386/i386.c (init_cumulative_args): For -m32 -mfpmath=sse
2229         and local functions, set sse_nregs to 8 and float_in_sse.
2230         (function_arg_advance, function_arg): If float_in_sse, pass
2231         SFmode and DFmode arguments in SSE registers.
2232         * config/i386/i386.h (CUMULATIVE_ARGS): Add float_in_sse field.
2233
2234         * config/i386/i386.c (ix86_value_regno): Only optimize local functions
2235         of -funit-at-a-time.
2236
2237 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
2238
2239         * config/i386/i386-protos.h (ix86_function_value): Accept two
2240         arguments, like the target macro.
2241         * config/i386/i386.h (FUNCTION_VALUE): Pass both arguments.
2242         * config/i386/i386.c (ix86_function_value): Accept the second
2243         argument of the target macro.
2244         (ix86_function_ok_for_sibcall): Pass a function pointer to
2245         ix86_function_value.
2246         (ix86_function_value, ix86_libcall_value) [!TARGET_64BIT]: Adjust
2247         call to ix86_value_regno).
2248         (ix86_value_regno): Add support for returning floating point values
2249         in SSE registers.
2250
2251 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
2252
2253         PR tree-optimization/20076
2254         * tree-inline.c (inline_forbidden_p_1): Prevent inlining functions
2255         that call __builtin_return or __builtin_apply_args.
2256
2257 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
2258
2259         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use update_stmt.
2260         Use immediate use iterator.
2261         (stmt_is_bumper_for_loop): Use immediate use iterator.
2262         * predict.c (strip_builtin_expect): Use update_stmt.
2263         * tree-cfg.c (update_modified_stmts): New. Call update_stmt_if_modified
2264         on all elements of a STATEMENT_LIST.
2265         (bsi_insert_before, bsi_insert_after): Call update_modified_stmts.
2266         (bsi_remove): Remove imm_use links and mark the stmt as modified.
2267         (bsi_replace): Mark stmt as modified and the update it.
2268         * tree-complex.c (update_complex_assignment): Call mark_stmt_modified.
2269         (expand_complex_libcal): Call update_stmt.
2270         (expand_complex_comparison): Call mark_stmt_modified.
2271         (expand_complex_operations_1): Call update_stmt_if_modified.
2272         (expand_vector_operations_1): Call mark_stmt_modified.
2273         * tree-dfa.c (compute_immediate_uses, free_df_for_stmt, free_df,
2274         compute_immediate_uses_for_phi, compute_immediate_uses_for_stmt,
2275         add_immediate_use, redirect_immediate_use,
2276         redirect_immediate_uses, dump_immediate_uses, debug_immediate_uses,
2277         dump_immediate_uses_for, debug_immediate_uses_for): Delete.
2278         (mark_new_vars_to_rename): Call update_stmt.
2279         * tree-dump.c (dump_option_value_in): Add "stmtaddr".
2280         * tree-flow-inline.h (modify_stmt): Rename to mark_stmt_modified.
2281         Ignore PHI nodes.
2282         (unmodify_stmt): Delete.
2283         (update_stmt): New.  Force an update of a stmt.
2284         (update_stmt_if_modified): update a stmt if it is out of date.
2285         (get_stmt_operands): Verify stmt is NOT modified.
2286         (stmt_modified_p): Update comment.
2287         (delink_imm_use): Remove a use node from its immuse list.
2288         (link_imm_use_to_list): Link a use node to a specific list.
2289         (link_imm_use): Link a node to the correct list.
2290         (set_ssa_use_from_ptr): Set a use node to a specific value, and insert
2291         it in the correct list, if appropriate.
2292         (link_imm_use_stmt): Link a use node, and set the stmt pointer.
2293         (relink_imm_use): Link a use node in place of another node in a list.
2294         (relink_imm_use_stmt): LInk a node in place of another node, and set
2295         the stmt pointer.
2296         (end_safe_imm_use_traverse): New.  Terminate a safe immuse iterator.
2297         (end_safe_imm_use_p): New.  Check for the end of a safe immuse iterator.
2298         (first_safe_imm_use): New.  Initialize a safe immuse iterator.
2299         (next_safe_imm_use): New.  Proceed to next safe immuse iterator value.
2300         (end_readonly_imm_use_p): New.  Check for end of a fast immuse iterator.
2301         (first_readonly_imm_use): New.  Initialize a fast immuse iterator.
2302         (next_readonly_imm_use): New.  Get the next fast immuse iterator value.
2303         (has_zero_uses): New.  Return true if there are no uses of a var.
2304         (has_single_use): New.  Return true if there is only a single use of a
2305         variable.
2306         (single_imm_use): New.  Return the simgle immediate use.
2307         (num_imm_uses): New.  Return the number of immediate uses.
2308         (get_v_must_def_ops): Use is now a pointer.
2309         (use_operand_p, get_v_may_def_op_ptr, get_vuse_op_ptr,
2310         get_v_must_def_kill_ptr, get_phi_arg_def_ptr): Return the address of
2311         the use node.
2312         (get_immediate_uses, num_immediate_uses, immediate_use): Delete.
2313         (delink_stmt_imm_use): Delink all immuses from a stmt.
2314         (phi_arg_index_from_use): New.  Return a phi arg index for a use.
2315         * tree-flow.h (struct dataflow_d): Delete.
2316         (immediate_use_iterator_d): New.  Immediate use iterator struct.
2317         (FOR_EACH_IMM_USE_FAST): New.  Macro for read only immuse iteration.
2318         (FOR_EACH_IMM_USE_SAFE): New.  Macro for write-safe immuse iteration.
2319         (BREAK_FROM_SAFE_IMM_USE): New.  Macro for earlyu exit from write-safe
2320         iteration.
2321         (struct stmt_ann_d): Remove dataflow_t from struct.
2322         * tree-if-conv.c (tree_if_conversion).  Don't call free_df.
2323         (if_convertible_phi_p): Use FAST immuse iterator.
2324         (if_convertible_loop_p): Don't call compute_immediate_uses.
2325         (replace_phi_with_cond_modify_expr): Call update_stmt.
2326         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites): Call
2327         update_stmt_if_modified.
2328         (rewrite_all_into_ssa): Initialize ssa operands.
2329         * tree-loop-linear.c (linear_transform_loops): Don't call free_df or
2330         compute_immediate_uses.
2331         * tree-optimize.c (execute_todo): Call verify_ssa whenever the
2332         ssa_property is available.
2333         (execute_one_pass):  Change parameters passed to execute_todo.
2334         * tree-outof-ssa.c (rewrite_trees): Don't call modify_stmt.
2335         (remove_ssa_form): Call fini_ssa_operands.
2336         (insert_backedge_copies): Delete call to modify_stmt.
2337         * tree-phinodes.c (make_phi_node): Initialize use nodes.
2338         (release_phi_node): Delink any use nodes before releasing.
2339         (resize_phi_node): Relink any use nodes.
2340         (remove_phi_arg_num): Delink the use node.
2341         (remove_phi_node): Release the ssa_name AFTER releasing the phi node.
2342         (remove_all_phi_nodes_for): Release phi node first.
2343         * tree-pretty-print.c (dump_generic_node): Print stmt address.
2344         * tree-sra.c (mark_all_v_defs): Call update_stmt_if_modified.
2345         (scalarize_use, scalarize_copy): Call update_stmt.
2346         * tree-ssa-alias.c (compute_may_aliases): Update all modified stmts.
2347         (compute_points_to_and_addr_escape): Call mark_stmt_modified.
2348         * tree-ssa-cpp.c (need_imm_uses_for): Delete.
2349         (ccp_initialize): Remove call to compute_immediate_uses.
2350         (substitute_and_fold, execute_fold_all_builtins): Call update_stmt.
2351         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update all modified
2352         stmts.
2353         (simplify_cond_and_lookup_avail_expr): Call mark_stmt_modified.
2354         (simplify_switch_and_lookup_avail_expr): Call mark_stmt_modified.
2355         (eliminate_redundant_computations): Call mark_stmt_modified.
2356         (cprop_operand): Call mark_stmt_modified.
2357         (optimize_stmt): Call update_stmt_if_modified and mark_stmt_modified.
2358         * tree-ssa-dse.c (fix_phi_uses, fix_stmt_v_may_defs): Delete.
2359         (dse_optimize_stmt): Use new immuse interface.
2360         (tree_ssa_dse): Remove calls to compute_immediate_uses and free_df.
2361         * tree-ssa-forwprop.c (need_imm_uses_for): Delete.
2362         (substitute_single_use_vars): Use new immuse interface.
2363         (tree_ssa_forward_propagate_single_use_vars): Remove calls to free_df
2364         and compute_immediate_uses.
2365         * tree-ssa-loop-im.c (single_reachable_address): Use new immuse
2366         interface.
2367         (rewrite_mem_refs): Call update_stmt.
2368         (determine_lsm): Remove call to compute_imm_uses and free_df.
2369         * tree-ssa-loop-ivcanon.c (create_canonical_iv): Call update_stmt.
2370         (try_unroll_loop_completely): Call update_stmt.
2371         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call update_stmt.
2372         (rewrite_use_compare): Call update_stmt.
2373         (compute_phi_arg_on_exit): Insert each stmt before trying to process.
2374         (rewrite_use) : Call update_stmt.
2375         * tree-ssa-loop-manip.c (verify_loop_closed_ssa): Add arg to call.
2376         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Call
2377         update_stmt.
2378         * tree-ssa-operands.c (NULL_USE_OPERAND_P): Remove declaration.
2379         (allocate_use_optype, allocate_vuse_optype): Adjust allocation size.
2380         (free_uses, free_vuses, free_v_may_defs, free_v_must_defs): Delink
2381         use nodes.
2382         (initialize_vuse_operand): New.  Initialize a vuse operand.
2383         (initialize_v_may_def_operand): New.  Initialize a maydef operand.
2384         (initialize_v_must_def_operand): New.  Initialize a mustdef operand.
2385         (finalize_ssa_defs): Use stmt parameter.
2386         (correct_use_link): Ensure a use node is in the correct list, and has
2387         the correct stmt pointer.
2388         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_vuses,
2389         finalize_ssa_v_must_defs): Also initialize use nodes.
2390         (finalize_ssa_stmt_operands): Pass extra stmt operands.
2391         (build_ssa_operands): Seperate parsing from final operand construction.
2392         (parse_ssa_operands): New.  Parse entry point for operand building.
2393         (swap_tree_operands): New.  Swap 2 tree operands.
2394         (update_stmt_operands): Ranamed from get_stmt_operands.  Always builds
2395         operands.
2396         (get_expr_operands): Call swap_tree_operands when needed.
2397         (copy_virtual_operands): Use initialize routines for virtual use ops.
2398         (create_ssa_artficial_load_stmt): Add extra stmt parameter.
2399         (verify_abort): New.  Issue imm_use error.
2400         (verify_imm_links): New Verify imm_use links for a var.
2401         (dump_immediate_uses_for): New.  Dump imm_uses for a var to file.
2402         (dump_immediate_uses): New.  Dump imm_uses for all vars to file.
2403         (debug_immediate_uses): New.  Dump imm_uses for all vars to stderr.
2404         (debug_immediate_uses_for): New.  Dump imm_uses for a var to stderr.
2405         * tree-ssa-operands.h (struct use_operand_ptr): Delete.
2406         (NULL_USE_OPERAND_P) Define.
2407         (use_optype_d, v_def_use_operand_type, vuse_optype_d): Add immediate
2408         use node.
2409         (struct vuse_operand_type): New struct.
2410         (SET_USE): Call set_ssa_use_from_ptr.
2411         (USE_STMT): Define.
2412         (PHI_ARG_INDEX_FROM_USE): Define.
2413         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Set the phi
2414         argument via SET_USE, not PHI_ARG_DEF_TREE.
2415         * tree-ssa-pre.c (eliminate): Call update_stmt.
2416         * tree-ssa-propagate.c (cfg_blocks_get): Use imm_use iterators.  Don't
2417         call free_df.
2418         * tree-ssa-sink.c (all_immediate_uses_same_place): Use imm_use iterator.
2419         (nearest_common_dominator_of_uses): Use imm_use iterator.
2420         (statement_sink_location): Use imm_use iterator and interface.
2421         (execute_sink_code): Don't call compute_immediate_uses or free-df.
2422         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis): Use
2423         PHI_ARG_DEF, not PHI_ARG_DEF_TREE.
2424         * tree-ssa.c (verify_use, verify_phi_args): Verify some imm_use info.
2425         (verify_ssa): Ensure no stmt is marked modify after optimization pass
2426         if new parameter is true.
2427         (init_tree_ssa): Don't initialize operand cache here.
2428         (delete_tree_ssa): Don't destroy operand cache here.
2429         (propagate_into_addr): Pass in a use pointer, return true if anything
2430         was changed.
2431         (replace_immediate_uses): Use imm_use iterator, call update_stmt.
2432         (check_phi_redundancy): Use imm_use iterator.
2433         (kill_redundant_phi_nodes): Don't call compute_immediate_uses or
2434         free_df.
2435         * tree-ssanames.c (make_ssa_name): Initialize imm_use node.
2436         (release_ssa_name): Delink node and all elements in its imm_use list.
2437         * tree-tailcall.c (adjust_return_value): Call update_stmt.
2438         * tree-vect-analyze.c (vect_stmt_relevant_p): Use imm_use iterator.
2439         * tree-vectorizer.c (need_imm_uses_for): Delete.
2440         (vectorize_loops): Dont call compute_immediate_uses or free_df.
2441         * tree.h (struct ssa_imm_use_d): Define.
2442         (SSA_NAME_IMM_USE_NODE): Define.
2443         (struct tree_ssa_name): Add imm_use node.
2444         (PHI_DF): Delete.
2445         (PHI_ARG_IMM_USE_NODE): Define.
2446         (struct phi_arg_d): Add imm_use node.
2447         (struct tree_phi_node): Remove struct dataflow_d element.
2448         (TDF_STMTADDR): Define.
2449
2450 2005-04-05  Dale Johannesen  <dalej@apple.com>
2451
2452         * doc/invoke.texi (Optimization Options):  Remove
2453         duplicate -fcse-follow-jumps.  Add -fweb.
2454         (-ftree-lim):  Fix spelling (-ftree-loop-im, invariants).
2455         (-fivcanon):  Fix spelling (-ftree-loop-ivcanon).
2456
2457 2005-04-05  Per Bothner  <per@bothner.com>
2458
2459         * tree-ssa.c (execute_early_warn_uninitialized): Pass context node
2460         to talk_tree as 'data' parameter, rather than EXPR_LOCUS.
2461         (warn_uninit): Get EXPR_LOCUS from context now instead.
2462         This fixes a USE_MAPPED_LOCATION testsuite failure.
2463
2464         * tree-ssa.c (warn_uninitialized_var): Remove useless local.
2465
2466 2005-04-05  Per Bothner  <per@bothner.com>
2467
2468         * c-decl.c (finish_function): If USE_MAPPED_LOCATION set the location
2469         of the artification 'return 0' in main() to BUILTINS_LOCATION.
2470         * tree-cfg.c (remove_bb): Check that location isn't BUILTINS_LOCATION
2471         before warning.
2472
2473 2004-04-05  Devang Patel  <dpatel@apple.com>
2474
2475         * config/rs600/altivec.md (altivec_vsr<VI_char>): Rename to ..
2476         (lhsr<mode>3): ... new name.
2477         (altivec_vsra<VI_char>): Rename to ..
2478         (ashr<mode>3): ... new name.
2479         * config/rs6000/rs6000.c (builtin_description): Rename shift
2480         operations.
2481
2482 2004-04-05  Paolo Bonzini  <bonzini@gnu.org>
2483
2484         * combine.c (RTL_HOOKS_GEN_LOWPART_NO_EMIT): Use
2485         gen_lowpart_for_combine.
2486         * cse.c (gen_lowpart_if_possible): Move...
2487         * rtlhooks.c (gen_lowpart_if_possible): ... here.  Also try
2488         gen_lowpart_SUBREG.
2489         (gen_lowpart_no_emit_general): Use it.
2490
2491 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
2492
2493         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Undefine before
2494         overriding.
2495
2496 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
2497
2498         * system.h: Fix typo.
2499
2500 2005-04-05  Bernd Schmidt  <bernd.schmidt@analog.com>
2501
2502         * config/bfin/bfin-modes.def: New file.
2503         * config/bfin/bfin-protos.h: New file.
2504         * config/bfin/bfin.c: New file.
2505         * config/bfin/bfin.h: New file.
2506         * config/bfin/bfin.md: New file.
2507         * config/bfin/bfin.opt: New file.
2508         * config/bfin/crti.s: New file.
2509         * config/bfin/crtn.s: New file.
2510         * config/bfin/elf.h: New file.
2511         * config/bfin/lib1funcs.asm: New file.
2512         * config/bfin/predicates.md: New file.
2513         * config/bfin/t-bfin: New file.
2514         * config/bfin/t-bfin-elf: New file.
2515         * doc/extend.texi (exception_handler, kspisusp, nesting, nmi_handler):
2516         Document new attributes.
2517         (interrupt, interrupt_handler, saveall): Update documentation for
2518         these attributes.
2519         * doc/install.texi (Specific): Add entry for the Blackfin.
2520         * doc/invoke.texi (Blackfin Options): New section.
2521         * doc/md.texi (Blackfin family): New section to document constraints.
2522         * config.gcc: Add bfin*-* and bfin*-elf configurations.
2523
2524 2005-04-05  Olivier Hainque  <hainque@adacore.com>
2525
2526         * config/mips/iris6.h (DWARF_FRAME_RETURN_COLUMN): Redefine to
2527         match what the system unwinder expects.
2528         * config/mips/mips.c (mips_frame_set): If we're saving the return
2529         address register and the dwarf return address column number differs
2530         from the hard register number, adjust the note reg to refer to the
2531         former.
2532
2533 2004-04-05  Richard Sandiford  <rsandifo@redhat.com>
2534
2535         * config/mn10300/mn10300-protos.h (mn10300_override_options): Declare.
2536         * config/mn10300/mn10300.h (target_flags, TARGET_MULT_BUG)
2537         (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
2538         (processor_type): New enum.
2539         (mn10300_processor): New variable.
2540         (TARGET_AM33, TARGET_AM33_2): Redefine in terms of mn10300_processor.
2541         (PROCESSOR_DEFAULT, OVERRIDE_OPTIONS): New macros.
2542         * config/mn10300/linux.h (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
2543         (PROCESSOR_DEFAULT): New macro.
2544         * config/mn10300/mn10300.c (mn10300_processor): New variable.
2545         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
2546         (mn10300_handle_option, mn10300_override_options): New functions.
2547         * config/mn10300/mn10300.opt: New file.
2548
2549 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
2550             Sebastian Pop <sebastian.pop@cri.ensmp.fr>
2551
2552         PR tree-optimization/19903
2553         * tree-chrec.c (chrec_convert): Return chrec_dont_know for constants
2554         that don't fit in their type after conversion.
2555
2556 2005-04-05  Uros Bizjak <uros@kss-loka.si>
2557
2558         PR target/20421
2559         * config/i386/i386.md (frndintxf2_floor, frndintxf2_ceil)
2560         (frndintxf2_trunc, frndintxf2_mask_pm): Add FLAGS_REG clobber.
2561         Allocate local stack slots here.  Set ix86_optimize_mode_switching.
2562         flag here. Implement using define_insn_and_split.
2563         (frndintxf2_floor_i387, frndintxf2_ceil_i387, frndintxf2_trunc_i387)
2564         (frndintxf2_mask_pm_i387): New insn patterns.
2565         (floorsf2, floordf2, floorxf2): Remove local stack slot allocations.
2566         Do not set ix86_optimize_mode_switching flag.
2567         (ceilsf2, ceildf2, ceilxf2): Same.
2568         (btruncsf2, btruncdf2, btruncxf2): Same.
2569         (nearbyintsf2, nearbyintdf2, nearbyintxf2): Same.
2570
2571 2005-04-05  Ian Lance Taylor  <ian@airs.com>
2572
2573         PR debug/9963
2574         * config/i386/cygming.h (ASM_OUTPUT_EXTERNAL): Pass DECL to
2575         i386_pe_record_external_function.
2576         (i386_pe_record_external_function): Update declaration.
2577         * config/i386/winnt.c (struct extern_list): Add decl field.
2578         (i386_pe_record_external_function): Add decl parameter.
2579         (i386_pe_file_end): Check TREE_ASM_WRITTEN on decl, not
2580         identifier.
2581         * config/i386/i386-protos.h (i386_pe_record_external_function):
2582         Update declaration.
2583
2584 2005-04-05  Kazu Hirata  <kazu@cs.umass.edu>
2585
2586         * config/m68k/m68k-protos.h: Add a prototype for
2587         valid_dbcc_comparison_p_2.
2588         * config/m68k/m68k.c (not_sp_operand, symbolic_operand,
2589         extend_operator, const_uint32_operand, const_sint32_operand,
2590         general_src_operand, nonimmediate_src_operand,
2591         memory_src_operand, post_inc_operand, pre_dec_operand,
2592         pcrel_address): Move to predicates to predicates.md.
2593         * config/m68k/m68k.h (PREDICATE_CODES): Remove.
2594         * config/m68k/m68k.md: Include predicates.md.
2595         * config/m68k/predicates.md: New.
2596
2597 2005-04-04  Roger Sayle  <roger@eyesopen.com>
2598
2599         * config/i386/i386.md (*truncdfsf2_i387_1): New pattern.
2600
2601         * fold-const.c (maybe_lvalue_p): Delete orphaned comment.
2602
2603 2005-04-04  Ian Lance Taylor  <ian@airs.com>
2604
2605         * c-typeck.c (struct c_switch): Rename switch_stmt field to
2606         switch_expr.
2607         (c_start_case): Build SWITCH_EXPR, not SWITCH_STMT.
2608         (do_case): Use SWITCH_COND rather than SWITCH_STMT_COND.
2609         (c_finish_case): Use SWITCH_BODY rather than SWITCH_STMT_BODY.
2610         Call c_do_switch_expr_warnings rather than c_do_switch_warnings.
2611         * c-common.c (c_do_switch_warnings_1): New static function broken
2612         out of c_do_switch_warnings.
2613         (c_do_switch_warnings): Call c_do_switch_warnings_1.
2614         (c_do_switch_expr_warnings): New function.
2615         * c-common.h (c_do_switch_expr_warnings): Declare.
2616
2617 2005-04-04  David Edelsohn  <edelsohn@gnu.org>
2618             Daniel Jacobowitz  <dan@codesourcery.com>
2619
2620         * tree-eh.c (tree_could_trap_p): Allow non-constant floating point
2621         trapping divide.
2622         * rtlanal.c (may_trap_p): Same.
2623
2624 2005-04-04  Dale Johannesen  <dalej@apple.com>
2625
2626         * ChangeLog:  remove reference to ChangeLog.12.
2627
2628 2005-04-05  Hans-Peter Nilsson  <hp@axis.com>
2629
2630         CRIS epilogue as RTL.
2631         * config/cris/cris.md: Change all 0 in unspec 0 to
2632         CRIS_UNSPEC_PLT.
2633         (CRIS_UNSPEC_PLT, CRIS_UNSPEC_FRAME_DEALLOC): New constants.
2634         ("*cris_load_multiple", "cris_frame_deallocated_barrier"): New
2635         patterns.
2636         ("return"): Change to define_expand.  Call cris_expand_return for
2637         actual expansion.
2638         ("*return_expanded"): New pattern.
2639         ("epilogue"): New define_expand.
2640         * config/cris/cris.h (PREDICATE_CODES): Add
2641         cris_load_multiple_op.
2642         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Correct test for unspec
2643         type.
2644         (enum cris_retinsn_type): New.
2645         (struct machine_function): New member return_type.
2646         (TARGET_ASM_FUNCTION_EPILOGUE): Don't override.
2647         (cris_target_asm_function_epilogue): Remove, moving RTLified
2648         contents to...
2649         (cris_expand_epilogue): New function.
2650         (cris_reg_saved_in_regsave_area, cris_movem_load_rest_p,
2651         (cris_gen_movem_load, cris_load_multiple_op)
2652         (cris_return_address_on_stack_for_return, cris_expand_return): New
2653         functions.
2654         (cris_target_asm_function_prologue)
2655         (cris_initial_frame_pointer_offset): Call
2656         cris_reg_saved_in_regsave_area instead of complicated expression.
2657         Call cris_return_address_on_stack instead of an expression.
2658         (cris_print_operand) <case 'o', case 'O'>: New cases.
2659         (cris_return_address_on_stack): Change return-type to bool.
2660         (cris_simple_epilogue): Ditto.  Return false if registers are
2661         saved.
2662         * config/cris/cris-protos.h (cris_simple_epilogue)
2663         (cris_return_address_on_stack): Adjust prototype return type.
2664         (cris_gen_movem_load, cris_expand_epilogue, cris_expand_return)
2665         (cris_return_address_on_stack_for_return): New prototypes.
2666
2667 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
2668
2669         * config/frv/frv.h (PREDICATE_CODES): Add CONST to
2670         gpr_or_int12_operand.
2671
2672         * config/frv/frv-protos.h: Add a prototype to
2673         frv_legitimate_memory_operand and frv_const_unspec_p.
2674         (frv_unspec): Move from frv.c.
2675         * config/frv/frv.c (frv_unspec): Move to frv-protos.h.
2676         (frv_const_unspec_p, frv_legitimate_memory_operand_): Export.
2677         (ldd_address_operand, fdpic_fptr_operand, frv_load_operand,
2678         gpr_or_fpr_operand, gpr_or_int12_operand,
2679         gpr_fpr_or_int12_operand, fpr_or_int6_operand,
2680         gpr_or_int10_operand, gpr_or_int_operand, int12_operand,
2681         int6_operand, int5_operand, uint5_operand, uint4_operand,
2682         uint1_operand, int_2word_operand, uint16_operand,
2683         upper_int16_operand, integer_register_operand,
2684         gpr_no_subreg_operand, fpr_operand, even_reg_operand,
2685         odd_reg_operand, even_gpr_operand, odd_gpr_operand,
2686         quad_fpr_operand, even_fpr_operand, odd_fpr_operand,
2687         dbl_memory_one_insn_operand, dbl_memory_two_insn_operand,
2688         move_destination_operand, movcc_fp_destination_operand,
2689         frv_function_symbol_referenced_p, move_source_operand,
2690         condexec_dest_operand, condexec_source_operand,
2691         reg_or_0_operand, lr_operand, fdpic_operand, got12_operand,
2692         const_unspec_operand, gpr_or_memory_operand,
2693         gpr_or_memory_operand_with_scratch, fpr_or_memory_operand,
2694         icc_operand, fcc_operand, cc_operand, icr_operand,
2695         fcr_operand, cr_operand, call_operand, sibcall_operand,
2696         symbolic_operand, relational_operator,
2697         integer_relational_operator, float_relational_operator,
2698         ccr_eqne_operator, minmax_operator,
2699         condexec_si_binary_operator, condexec_si_media_operator,
2700         condexec_si_divide_operator, condexec_si_unary_operator,
2701         condexec_sf_conv_operator, condexec_sf_add_operator,
2702         condexec_memory_operand, intop_compare_operator, acc_operand,
2703         even_acc_operand, quad_acc_operand, accg_operand: Move to
2704         predicates.md.
2705         * config/frv/frv.h (PREDICATE_CODES): Remove.
2706         * config/frv/frv.md: Include predicates.md.
2707         * config/frv/predicates.md: New.
2708
2709 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
2710
2711         PR target/19537
2712         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on langhooks.h.
2713         * tree-ssa-loop-ivopts.c: Include langhooks.h.
2714         (add_standard_iv_candidates_for_size): New function, extracting code
2715         from add_standard_iv_candidates and parameterizing it by type size.
2716         (add_standard_iv_candidates): Use add_standard_iv_candidates_for_size.
2717
2718 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
2719
2720         * system.h (GCOV_SIZE_TYPE): Unposion.
2721         * gcov-io.h (GCOV_TYPE_NODE): Delete, replacing with...
2722         (GCOV_TYPE_SIZE): ...this new macro.
2723         * coverage.h (get_gcov_type, GCOV_TYPE_NODE): Declare.
2724         * coverage.c (get_gcov_type, get_gcov_unsigned_t): New functions.
2725         (rtl_coverage_counter_ref): Use GCOV_TYPE_SIZE.
2726         (build_fn_info_type, build_fn_info_value, build_ctr_info_type)
2727         (build_ctr_info_value, build_gcov_info): Use get_gcov_unsigned_t
2728         instead of unsigned_intSI_type_node.
2729         * rtl-profile.c (rtl_gen_interval_profiler, rtl_gen_pow2_profiler)
2730         (rtl_gen_one_value_profiler_no_edge_manipulation)
2731         (rtl_gen_const_delta_profiler): Use GCOV_TYPE_SIZE.
2732         * value-prof.c: Include coverage.h.
2733
2734 2005-04-02  Daniel Berlin  <dberlin@dberlin.org>
2735             Diego Novillo <dnovillo@redhat.com>
2736
2737         Fix PR tree-optimization/20703
2738         Fix PR tree-optimization/20725
2739
2740         * tree-ssa-pre.c (phi_translate): Handle tcc_comparison.
2741         (create_expression_by_pieces): Ditto.
2742         (valid_in_set): Ditto. Also handle tcc_declaration.
2743         (find_or_generate_expression): Handle comparison class.
2744         (insert_into_preds_of_block): Ditto.
2745         (insert_aux): Ditto.
2746         (create_value_expr_from): Handle comparison class, recursively
2747         handle reference nodes.
2748         (compute_avail): Handle comparison classes, rewrite a little cleaner.
2749         (execute_pre): Fix spacing.
2750         (do_fre): Renamed to execute_fre.
2751
2752 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
2753
2754         * doc/invoke.texi (SPARC options): Document that
2755         -mlittle-endian is not supported on Linux either.
2756
2757 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
2758
2759         PR target/4198
2760         PR target/12027
2761         * config.gcc (Obsolete configurations): Remove
2762         sparclite-*-coff*, sparclite-*-elf* and sparc86x-*-elf*.
2763         (sparclite-*-coff*): Delete.
2764         (sparclite-*-elf*): Likewise.
2765         (sparc86x-*-elf*): Likewise.
2766         (target_cpu_default) <sparc*-*-*>: Remove sparc86x.
2767         * config/sparc/lite.h: Delete.
2768         * config/sparc/litecoff.h: Likewise.
2769         * config/sparc/liteelf.h: Likewise.
2770         * config/sparc/sp86x-elf.h: Likewise.
2771         * config/sparc/t-sparclite: Likewise.
2772         * config/sparc/t-sp86x: Likewise.
2773
2774 2005-04-04  Adrian Straetling  <straetling@de.ibm.com>
2775
2776         * config/s390/s390-protos.h: (s390_comparison,
2777         s390_alc_comparison, s390_slb_comparison, const0_operand,
2778         consttable_operand, larl_operand, s_operand,
2779         shift_count_operand, bras_sym_operand, load_multiple_operation,
2780         store_multiple_operation, s390_plus_operand): Remove prototypes.
2781         (s390_legitimate_address_without_index_p): New prototype.
2782         * config/s390/s390.c: (SYMBOL_FLAG_ALIGN1, DISP_IN_RANGE): Move
2783         to s390.h.
2784         (s390_comparison, s390_alc_comparison, s390_slb_comparison,
2785         const0_operand, consttable_operand, larl_operand, s_operand,
2786         shift_count_operand, bras_sym_operand, load_multiple_operation,
2787         store_multiple_operation, s390_plus_operand): Move to
2788         predicates.md.
2789         (check_mode): Remove.
2790         (s390_branch_condition_mask): Remove 'static'. Move prototype to
2791         s390-protos.h.
2792         (s390_legitimate_address_without_index_p): New.
2793         * config/s390/s390.h (PREDICATE_CODES): Remove.
2794         * config/s390/s390.md: Include predicates.md.
2795         * config/s390/predicates.md: New.
2796
2797 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
2798
2799         PR target/20446
2800         * config/sparc/sparc.h (NEED_INDICATE_EXEC_STACK): Define to 0.
2801         * config/sparc/linux.h (TARGET_ASM_FILE_END): Delete.
2802         (NEED_INDICATE_EXEC_STACK): Define to 1.
2803         * config/sparc/linux64.h (TARGET_ASM_FILE_END): Delete.
2804         (NEED_INDICATE_EXEC_STACK): Define to 1.
2805         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Set to sparc_file_end.
2806         (add_pc_to_pic_symbol): Rename into pic_helper_symbol.
2807         (add_pc_to_pic_symbol_name): Rename into pic_helper_symbol_name.
2808         (pic_helper_emitted_p): New global.
2809         (emit_pic_helper): New function extracted from...
2810         (load_pic_register): ...here.  Add 'delay_pic_helper' parameter.
2811         Do not call emit_pic_helper if delay_pic_helper is true.
2812         (sparc_expand_prologue): Pass 'false' to load_pic_register.
2813         (sparc_output_mi_thunk): Pass 'true' to load_pic_register.
2814         (sparc_file_end): New function.
2815
2816 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
2817
2818         * config/mcore/mcore-protos.h: Remove the prototypes for
2819         mcore_arith_reg_operand, mcore_general_movsrc_operand,
2820         mcore_general_movdst_operand, mcore_reload_operand,
2821         mcore_arith_J_operand, mcore_arith_K_operand,
2822         mcore_arith_K_operand_not_0, mcore_arith_M_operand,
2823         mcore_arith_K_S_operand, mcore_arith_imm_operand,
2824         mcore_arith_any_imm_operand, mcore_arith_O_operand,
2825         mcore_literal_K_operand, mcore_addsub_operand,
2826         mcore_compare_operand, mcore_load_multiple_operation,
2827         mcore_store_multiple_operation, mcore_call_address_operand.
2828         Add a prototype for const_ok_for_mcore.
2829         * config/mcore/mcore.c (mcore_call_address_operand,
2830         mcore_general_movsrc_operand, mcore_general_movdst_operand,
2831         mcore_arith_reg_operand, mcore_reload_operand,
2832         mcore_arith_J_operand, mcore_arith_K_operand,
2833         mcore_arith_K_operand_not_0, mcore_arith_K_S_operand,
2834         mcore_arith_M_operand, mcore_arith_imm_operand,
2835         mcore_arith_any_imm_operand, mcore_arith_O_operand,
2836         mcore_literal_K_operand, mcore_addsub_operand,
2837         mcore_compare_operand, mcore_load_multiple_operation,
2838         mcore_store_multiple_operation): Move to predicates.md.
2839         (const_ok_for_mcore): Export.
2840         * config/mcore/mcore.h (PREDICATE_CODES): Remove.
2841         * config/mcore/mcore.md: Include predicates.md.
2842         * config/mcore/predicates.md: New.
2843
2844         * config/mcore/predicates.md: Fix a comment typo.
2845
2846 2005-04-04  Andreas Krebbel  <krebbel1@de.ibm.com>
2847             Adrian Straetling  <straetling@de.ibm.com>
2848
2849         * config/s390/2064.md ("z_mul", "z_inf"): New insn reservations.
2850         * config/s390/2084.md ("x_mul_hi", "x_mul_sidi", "x_div"): Likewise.
2851         * config/s390/s390.md ("imulhi", "imulsi", "imuldi"): Added to "type"
2852         attribute.
2853         ("imul"): Removed from "type" attribute.
2854         ("*muldi3_sign", "muldi3"): Changed type to imuldi.
2855         ("mulsi3/1", "mulsi3/3", "mulsi/4", "mulsidi3", "umulsidi3"):
2856         Changed type to imulsi.
2857         ("*mulsi3_sign", "mulsi3/2"): Changed type to imulhi.
2858
2859 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
2860
2861         * config/mcore/mcore.h (target_flags, HARDLIT_BIT, ALIGN8_BIT, DIV_BIT)
2862         (RELAX_IMM_BIT, W_FIELD_BIT, OVERALIGN_FUNC_BIT, CGDATA_BIT)
2863         (SLOW_BYTES_BIT, LITTLE_END_BIT, M340_BIT, TARGET_HARDLIT)
2864         (TARGET_DIV, TARGET_RELAX_IMM, TARGET_W_FIELD, TARGET_OVERALIGN_FUNC)
2865         (TARGET_CG_DATA, TARGET_SLOW_BYTES, TARGET_LITTLE_END, TARGET_M340)
2866         (TARGET_SWITCHES, mcore_stack_increment_string)
2867         (TARGET_OPTIONS): Delete.
2868         (TARGET_DEFAULT, OPTIMIZATION_OPTIONS): Use MASK_* constants rather
2869         than *_BIT constants.
2870         (TARGET_8ALIGN): #undef old definition before redefining to 1.
2871         * config/mcore/mcore.c (mcore_stack_increment_string): Delete.
2872         (TARGET_DEFAULT_TARGET_FLAGS): Override default to TARGET_DEFAULT.
2873         (mcore_override_options): Delete mcore_stack_increment code.
2874         Change use of M340_BIT to MASK_M340.
2875         * config/mcore/mcore.opt: New file.
2876
2877 2005-04-04  Ian Lance Taylor  <ian@airs.com>
2878
2879         * config/arm/arm.c (replace_symbols_in_block): Remove static
2880         function.
2881
2882 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
2883
2884         * config/fr30/fr30-protos.h: Remove the prototypes for
2885         stack_add_operand, add_immediate_operand,
2886         high_register_operand, low_register_operand, call_operand,
2887         di_operand, and nonimmediate_di_operand.
2888         * config/fr30/fr30.c (stack_add_operand,
2889         add_immediate_operand, high_register_operand,
2890         low_register_operand, call_operand, di_operand,
2891         nonimmediate_di_operand): Move to predicates.md.
2892         * config/fr30/fr30.h (PREDICATE_CODES): Remove.
2893         * config/fr30/fr30.md: Include predicates.md.
2894         * config/fr30/predicates.md: New.
2895
2896         * config/mcore/mcore.h (PREDICATE_CODES): Add SYMBOL_REF and
2897         LABEL_REF to mcore_general_movsrc_operand.  Add SYMBOL_REF to
2898         mcore_call_address_operand.
2899
2900         * config/sh/sh.h (PREDICATE_CODES): Add CONST to
2901         general_movsrc_operand.
2902
2903 2005-04-04  Alan Modra  <amodra@bigpond.net.au>
2904
2905         * passes.c (rest_of_handle_final): NULL unlikely_text_section_name
2906         after freeing.
2907
2908 2005-04-04  Richard Earnshaw  <richard.earnshaw@arm.com>
2909
2910         PR target/14812
2911         * arm.c (arm_select_cc_mode): Return CC_Zmode when comparing against
2912         a negated value.
2913
2914 2005-04-04  Richard Henderson  <rth@redhat.com>
2915             Jakub Jelinek  <jakub@redhat.com>
2916
2917         PR rtl-optimization/16104
2918         * fold-const.c (fold_unary): Fix folding of vector conversions.
2919
2920 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
2921
2922         * config.gcc (xstormy16-*-elf): Set extra_options.
2923         * config/stormy16/stormy16.h (target_flags, TARGET_SWITCHES): Delete.
2924         * config/stormy16/stormy16.opt: New file.
2925
2926 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
2927
2928         * config/pdp11/pdp11.h (target_flags, TARGET_SWITCHES, TARGET_DEFAULT)
2929         (TARGET_FPU, TARGET_SOFT_FLOAT, TARGET_AC0, TARGET_NO_AC0, TARGET_45)
2930         (TARGET_BCOPY_BUILTIN, TARGET_INT16, TARGET_INT32, TARGET_FLOAT32)
2931         (TARGET_FLOAT64, TARGET_ABSHI_BUILTIN, TARGET_BRANCH_EXPENSIVE)
2932         (TARGET_BRANCH_CHEAP, TARGET_SPLIT, TARGET_NOSPLIT)
2933         (TARGET_UNIX_ASM): Delete.
2934         (TARGET_40_PLUS): Redefine in terms of TARGET_40 and TARGET_45.
2935         * config/pdp11/2bsd.h (TARGET_UNIX_ASM_DEFAULT): Use MASK_UNIX_ASM.
2936         * config/pdp11/pdp11.c (pdp11_handle_option): New function.
2937         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
2938         * config/pdp11/pdp11.opt: New file.
2939
2940 2005-04-03  Roger Sayle  <roger@eyesopen.com>
2941             Alexandre Oliva  <aoliva@redhat.com>
2942
2943         PR c++/19199
2944         * fold-const.c (non_lvalue): Split tests into...
2945         (maybe_lvalue_p): New function.
2946         (fold_cond_expr_with_comparison): Preserve lvalue-ness for the
2947         C++ front-end prior to lowering into gimple form.
2948
2949 2005-04-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2950
2951         * builtins.def (BUILT_IN_STPNCPY, BUILT_IN_STRCASECMP,
2952         BUILT_IN_STRNCASECMP): New.
2953         * doc/extend.texi: Document stpncpy, strcasecmp, strncasecmp
2954         and strndup.
2955
2956 2005-04-03  Richard Earnshaw  <richard.earnshaw@arm.com>
2957
2958         PR target/14812
2959         * arm.md (addsi3_compare0_for_combiner): Delete.
2960         (addsi3_compare0_scratch_for_combiner): Delete.
2961         (cmpsi_neg_shiftsi): Delete.
2962         (compare_negsi_si): New pattern.
2963         (cmpsi_negshiftsi_si): New pattern.
2964         (negated_cbranchsi4): Restrict to equality_operator.
2965
2966         * arm.md (movhi_insn_arch4): delete trailing white space from assembler
2967         template.
2968
2969 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
2970
2971         * cfghooks.c, cfgrtl.c, modulo-sched.c, config/i386/winnt.c:
2972         Fix comment typos.
2973
2974         * doc/install.texi: Fix a typo.
2975
2976 2005-04-03  Steven Bosscher  <stevenb@suse.de>
2977
2978         PR middle-end/20648
2979         * bb-reorder.c (duplicate_computed_gotos): Do not unfactor
2980         a computed goto if the edge to the computed goto block has
2981         incoming abnormal edges.  Clarify how the function works.
2982
2983 2005-04-03  Nathan Sidwell  <nathan@codesourcery.com>
2984
2985         * params.c (set_param_value): Use gcc_assert & gcc_unreachable.
2986         * passes.c (open_dump_file, rest_of_handle_final): Likewise.
2987         * postreload-gcse.c (expr_equiv_p, oprs_unchanged_p,
2988         hash_scan_set, reg_set_between_after_reload_p,
2989         reg_used_between_after_reload_p, get_avail_load_store_reg,
2990         eliminate_partially_redundant_load): Likewise.
2991         * postreload.c (reload_cse_simplify_set,
2992         reload_combine_note_use): Likewise.
2993         * predict.c (predict_insn, expected_value_to_br_prob,
2994         propagate_freq, expensive_function_p): Likewise.
2995         * print-rtl.c (print_rtx): Likewise.
2996         * profile.c (instrument_edges, instrument_values,
2997         compute_branch_probabilities, branch_prob, union_groups,
2998         tree_register_profile_hooks, rtl_register_profile_hooks): Likewise.
2999         * protoize.c (in_system_include_dir, file_could_be_converted,
3000         file_normally_convertible, gen_aux_info_file, seek_to_line,
3001         do_cleaning): Likewise.
3002         * tree-ssa-alias.c (collect_points_to_info_r): Likewise.
3003         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
3004         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
3005
3006 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
3007
3008         * cfg.c (clear_bb_flags): Don't clear BB_DISABLE_SCHEDULE.
3009         * modulo-sched.c (undo_replace_buff_elem): New structure.
3010         (kernel_number_of_cycles, ps_unschedule_node,
3011         undo_generate_reg_moves,free_undo_replace_buff,
3012         undo_permute_partial_schedule,  loop_single_full_bb_p,
3013         SIMPLE_SMS_LOOP_P, loop_canon_p, canon_loop,
3014         build_loops_structure, get_sched_window): New.
3015         (generate_reg_moves): Return undo_replace_buff_elem and other
3016         fixes.
3017         (generate_prolog_epilog): Remove old loop versioning.
3018         (sms_schedule): Use loop information and loop_version.
3019         (sms_schedule_by_order): Split part of it to get_sched_window.
3020         * passes.c (rest_of_handle_sms): call cfg_layout_initialize
3021         cfg_layout_finalize and free_dominance_info before/after SMS.
3022
3023 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
3024
3025         * cfghooks.c (lv_flush_pending_stmts,
3026         cfg_hook_duplicate_loop_to_header_edge, extract_cond_bb_edges,
3027         lv_adjust_loop_header_phi, lv_add_condition_to_bb): New.
3028         * cfghooks.h (cfg_hook_duplicate_loop_to_header_edge,
3029         lv_add_condition_to_bb,
3030         lv_adjust_loop_header_phi, extract_cond_bb_edges,
3031         flush_pending_stmts): New in cfg_hooks structure.
3032         (cfg_hook_duplicate_loop_to_header_edge, lv_flush_pending_stmts,
3033         extract_cond_bb_edges, lv_adjust_loop_header_phi,
3034         lv_add_condition_to_bb): New declarations.
3035         * cfgloop.h (duplicate_loop_to_header_edge): Change return type to
3036         bool.
3037         (loop_version): Declare.
3038         * cfgloopmanip.c (cfghooks.h): Include.
3039         (duplicate_loop_to_header_edge): Change return type to bool.
3040         (loop_version, lv_adjust_loop_entry_edge): Move here.
3041         * cfgrtl.c (cfgloop.h): Include.
3042         (rtl_verify_flow_info_1): Fix.
3043         (rtl_lv_add_condition_to_bb, rtl_extract_cond_bb_edges): New.
3044         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add hooks to
3045         initialization.
3046         * tree-cfg.c (tree_lv_adjust_loop_header_phi,
3047         tree_lv_add_condition_to_bb): New.
3048         (tree_cfg_hooks): Add new hooks to initialization.
3049         * tree-ssa-loop-manip.c (lv_adjust_loop_header_phi,
3050         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Remove.
3051
3052 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
3053
3054         * config/stormy16/stormy16.h (PREDICATE_CODES): Add SUBREG to
3055         xstormy16_below100_or_register,
3056         xstormy16_splittable_below100_or_register, and
3057         nonimmediate_nonstack_operand.
3058
3059         * config/stormy16/stormy16-protos.h: Remove the prototypes for
3060         xstormy16_ineqsi_operator, equality_operator,
3061         inequality_operator, shift_operator,
3062         xstormy16_below100_operand, xstormy16_below100_or_register,
3063         xstormy16_splittable_below100_or_register,
3064         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand.
3065         * config/stormy16/stormy16.c (xstormy16_ineqsi_operator,
3066         equality_operator, inequality_operator,
3067         xstormy16_below100_operand, xstormy16_below100_or_register,
3068         xstormy16_splittable_below100_or_register,
3069         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand,
3070         nonimmediate_nonstack_operand, shift_operator): Move to
3071         predicates.md.
3072         * config/stormy16/stormy16.h (PREDICATE_CODES): Remove.
3073         * config/stormy16/stormy16.md: Include predicates.md.
3074         * config/stormy16/predicates.md: New.
3075
3076 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
3077
3078         * config/iq2000/iq2000.c (uns_arith_operand, arith_operand,
3079         small_int, large_int, reg_or_0_operand, simple_memory_operand,
3080         equality_op, cmp_op, pc_or_label_operand, call_insn_operand,
3081         move_operand, power_of_2_operand): Move to predicates.md.
3082         * config/iq2000/iq2000.h (SPECIAL_MODE_PREDICATES,
3083         PREDICATE_CODE): Remove.
3084         * config/iq2000/iq2000.md: Include predicates.md.
3085         * config/iq2000/predicates.md: New.
3086
3087 2005-04-02  Richard Sandiford  <rsandifo@redhat.com>
3088
3089         * config/m68hc11/m68hc11.h (target_flags, MASK_SHORT)
3090         (MASK_AUTO_INC_DEC, MASK_M6811, MASK_M6812, MASK_M68S12)
3091         (MASK_NO_DIRECT_MODE, MASK_MIN_MAX, MASK_LONG_CALLS)
3092         (TARGET_SHORT, TARGET_M6811, TARGET_M6812, TARGET_M68S12)
3093         (TARGET_AUTO_INC_DEC, TARGET_MIN_MAX, TARGET_NO_DIRECT_MODE)
3094         (TARGET_LONG_CALLS, TARGET_SWITCHES, TARGET_OPTIONS)
3095         (SUBTARGET_SWITCHES, SUBTARGET_OPTIONS, m68hc11_regparm_string)
3096         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
3097         (TARGET_M68HC11): Delete.
3098         (TARGET_DEFAULT): Change the default setting from MASK_M6811 to 0.
3099         * config/m68hc11/m68hc12.h (TARGET_M68HC12): Delete.
3100         * config/m68hc11/m68hc11.c (m68hc11_regparm_string)
3101         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
3102         (nb_soft_regs): Delete.
3103         (TARGET_DEFAULT_TARGET_FLAGS): Override default with TARGET_DEFAULT.
3104         (m68hc11_override_options): Remove the code that caters for MASK_M6811
3105         and MASK_M6812 being set simultaneously.  Change the code that sets
3106         the default m68hc11_soft_reg_count to use integers instead of strings.
3107         (m68hc11_conditional_register_usage, hard_regno_mode_ok): Use
3108         m68hc11_soft_reg_count (which now has an int type) as the number
3109         of soft registers.
3110         * config/m68hc11/m68hc11.opt: New file.
3111
3112 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
3113
3114         * config/fr30/fr30.h (PREDICATE_CODES): Remove
3115         fp_displacement_operand, sp_displacement_operand.
3116
3117         * config/m68hc11/m68hc11-protos.h: Add a prototype for
3118         m68hcc_auto_inc_p.
3119         Remove the prototypes for tst_operand, cmp_operand,
3120         stack_register_operand, d_register_operand,
3121         hard_addr_reg_operand, splitable_operand,
3122         m68hc11_logical_operator, m68hc11_arith_operator,
3123         m68hc11_non_shift_operator, m68hc11_shift_operator,
3124         m68hc11_unary_operator, m68hc11_eq_compare_operator,
3125         non_push_operand, hard_reg_operand, and
3126         reg_or_some_mem_operand.
3127         * config/m68hc11/m68hc11.c (m68hcc_auto_inc_p): Make it
3128         extern.
3129         (tst_operand, cmp_operand, non_push_operand,
3130         splitable_operand, reg_or_some_mem_operand,
3131         stack_register_operand, d_register_operand,
3132         hard_addr_reg_operand, hard_reg_operand,
3133         m68hc11_eq_compare_operator, m68hc11_logical_operator,
3134         m68hc11_arith_operator, m68hc11_non_shift_operator,
3135         m68hc11_shift_operator, m68hc11_unary_operator): Move to
3136         predicates.md.
3137         * config/m68hc11/m68hc11.h (PREDICATE_CODES): Remove.
3138         * config/m68hc11/m68hc11.md: Include predicates.md.
3139         * config/m68hc11/predicates.md: New.
3140
3141 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
3142
3143         PR debug/19345
3144         * dwarf2out.c (add_abstract_origin_attribute): Revert accidental
3145         change checked in along with 2005-03-03's patch for debug/20253.
3146         * tree-inline.c (remap_type): Remap TYPE_STUB_DECL.
3147         (remap_decl): Insert type decl in map earlier.
3148
3149 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
3150
3151         PR tree-optimization/20640
3152         * tree-ssa-dce.c (remove_dead_stmt): Don't redirect edge to
3153         post-dominator if it has phi nodes.
3154         (eliminate_unnecessary_stmts): Remove dead phis in all blocks
3155         before dead statements.
3156
3157 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
3158
3159         PR middle-end/20491
3160         * final.c (alter_subreg): Don't call subreg_regno for a non-REG.
3161
3162 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
3163
3164         PR rtl-optimization/20290
3165         * loop.c (for_each_insn_in_loop): Don't assume the loop body runs
3166         in every iteration if the entry point is the exit test.
3167
3168 2005-04-02  Hans-Peter Nilsson  <hp@axis.com>
3169
3170         * config/cris/cris.md (attribute "length"): Define.
3171
3172 2005-04-02  Geoffrey Keating  <geoffk@apple.com>
3173
3174         * config/rs6000/predicates.md (indexed_or_indirect_operand): New.
3175         (word_offset_memref_operand): New.
3176         * config/rs6000/rs6000-protos.h (word_offset_memref_operand): Delete.
3177         (indexed_or_indirect_operand): Delete.
3178         * config/rs6000/rs6000.c (word_offset_memref_operand): Delete.
3179         (indexed_or_indirect_operand): Delete.
3180
3181         * config/rs6000/t-darwin8: Comment out ppc64 multilib.
3182
3183         PR 20650
3184         * config/rs6000/rs6000.md (fix_truncdfsi2): Make destination
3185         a register.
3186
3187         * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Add -pipe.
3188         * config/t-darwin (TARGET_LIBGCC2_CFLAGS): Likewise.
3189
3190 2005-04-01  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
3191
3192         * gcc/config/vax/vax.md: Spellcheck, fix whitespace.
3193
3194 2005-04-01  Ian Lance Taylor  <ian@airs.com>
3195
3196         * gcc.c: Don't include <sys/resource.h> or declare getrusage.
3197         (rus, prus): Remove static variables.
3198         (execute): Use pex_run/pex_get_status rather than pexecute/pwait.
3199         (process_command): Permit report_times and use_pipes together.
3200
3201 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
3202
3203         * c-decl.c (validate_proto_after_old_defn): Look at
3204         TYPE_MAIN_VARIANT of argument types.
3205
3206 2005-04-01  Paul Brook  <paul@codesourcery.com>
3207
3208         * config/arm/arm.c (thumb_call_via_label): Include space for SP.
3209         (arm_output_function_epilogue): Allow call_via_SP.
3210         (thumb_call_via_reg, arm_file_end): Ditto.
3211         * config/arm/arm.h (struct machine_function): Include space for SP.
3212         (thumb_call_via_label): Update declaration.
3213
3214 2005-04-01  Ian Lance Taylor  <ian@airs.com>
3215
3216         * final.c (final_scan_insn): Revert part of 2005-03-30 patch: when
3217         doing a peephole optimization, once again put any notes in the
3218         proper position.
3219
3220 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
3221
3222         * bb-reorder.c, fold-const.c, varasm.c: Fix comment typos.
3223
3224 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
3225
3226         * local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
3227         (block_alloc, find_free_reg): Likewise.
3228         * loop-doloop.c (doloop_modify): Likewise.
3229         * loop-invariant.c (record_use): Likewise.
3230         * loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
3231         get_iv_value, canon_condition, eliminate_implied_condition,
3232         eliminate_implied_condition, simplify_using_initial_values,
3233         shorten_into_mode, canonicalize_iv_subregs,
3234         iv_number_of_iterations): Likewise.
3235         * loop-unroll.c (expand_var_during_unrolling): Likewise.
3236         * loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
3237         unswitch_loop): Likewise.
3238         * loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
3239         move_movables, replace_call_address, find_and_verify_loops,
3240         rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
3241         record_giv, final_giv_value, general_induction_var,
3242         simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
3243         loop_giv_dump): Likewise.
3244
3245         * gcov-io.h (GCOV_CHECK, GCOV_CHECK_READING,
3246         GCOV_CHECK_WRITING): Remove.
3247         (gcov_position, gcov_rewrite): Use gcc_assert.
3248         * gcov-io.c (gcov_open, gcov_write_words, gcov_write_length,
3249         gcov_read_words, gcov_sync, gcov_seek): Use gcc_assert.
3250         * libgcov.c (__gcov_merge_single, __gcov_merge_delta): Use
3251         gcc_assert.
3252
3253 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
3254
3255         * tree-inline.c: Fix a typo.
3256
3257 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
3258
3259         * configure.ac (enable-checking): Explicitly set all variables for
3260         collective switch values.  Alphabetize variables. Rename
3261         ac_checking_valgrind to ac_valgrind_checking.  Allow 'none' as
3262         synonym for 'no'.
3263         * doc/install.texi (enable-checking): Update documentation.
3264         * configure: Rebuilt.
3265
3266 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
3267
3268         * tree-inline.c (copy_body_r): Use CONSTANT_CLASS_P where
3269         possible.
3270
3271 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
3272
3273         * arm.c (adjacent_mem_locations): Reject volatile memory refs.
3274         Also reject cases where this pattern will cause load delay stalls
3275         unless optimizing for size and it will produce a shorter sequence.
3276         * arm.md (arith_adjacent_mem): Make better use of ldm addressing
3277         variants to avoid pre-adjusting the base when possible.
3278
3279 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
3280
3281         * arm.md (minmax_arithsi): Reject all eliminable registers, not just
3282         the frame and argument pointers.
3283         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec): Likewise.
3284         (loadqisi_preinc, loadqisi_predec, strsi_preinc): Likewise.
3285         (strsi_predec, loadsi_preinc, loadsi_predec): Likewise.
3286         (strqi_shiftpreinc, strqi_shiftpredec, loadqi_shiftpreinc): Likewise.
3287         (loadqi_shiftpredec, strsi_shiftpreinc, strsi_shiftpredec): Likewise.
3288         (loadsi_shiftpreinc, loadsi_shiftpredec): Likewise.
3289
3290 2005-04-01  Danny Smith  <dannysmith@users.sourceforge.net>
3291
3292         * config/i386/cygming.h (SUBTARGET_ATTRIBUTE_TABLE): Define,
3293         with entry for selectany attribute.
3294         * config/i386/i386-protos.h (ix86_handle_selectany_attribute):
3295         Declare.
3296         * config/i386/winnt.c (ix86_handle_selectany_attribute): Define.
3297         (i386_pe_asm_named_section): Handle sections generated by
3298         selectany attribute.
3299         * doc/extend.texi (selectany): Document attribute.
3300
3301 2005-04-01  Paolo Bonzini  <bonzini@gnu.org>
3302             Jan Hubicka  <jh@suse.cz>
3303
3304         * config/i386/i386.c (ix86_decompose_address): Look inside SUBREGs
3305         to fix addresses involving EBP and ESP.
3306         (aligned_operand, legitimate_address_p, ix86_address_cost): Be prepared
3307         for SUBREGed registers.
3308         (legitimate_address_p): Accept SUBREGed registers.
3309
3310 2005-04-01  Jakub Jelinek  <jakub@redhat.com>
3311
3312         PR c++/19406
3313         * dwarf2out.c (gen_type_die_for_member): Handle FIELD_DECL.
3314         (dwarf2out_imported_module_or_decl): Use gen_type_die_for_member
3315         for FIELD_DECLs.
3316
3317 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
3318
3319         * doc/contrib.texi, doc/invoke.texi, doc/tm.texi: Fix typos.
3320
3321 2005-04-01  James E Wilson  <wilson@specifixinc.com>
3322
3323         PR c++/20505
3324         * dwarf2out.c (rtl_for_decl_init): New function.
3325         (rtl_for_decl_location): Extracted from here.
3326         (tree_add_const_value_attribute): Call rtl_for_decl_init and
3327         add_const_value_attribute.  Delete initializer_constant_valid_p call.
3328
3329 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
3330
3331         * cgraphunit.c, dbxout.c, flow.c, gcse.c, gimplify.c,
3332         lambda-code.c, loop.c, machmode.def, mips-tfile.c,
3333         modulo-sched.c, passes.c, postreload-gcse.c, tree-eh.c,
3334         tree-ssa-ccp.c, varasm.c, config/frv/frv.c, config/frv/frv.h,
3335         config/frv/frv.md, config/i386/i386.c, config/i386/i386.h,
3336         config/i386/i386.md, config/rs6000/predicates.md,
3337         config/rs6000/rs6000.c, config/s390/fixdfdi.h,
3338         config/s390/s390.c, config/stormy16/stormy16.c,
3339         config/stormy16/stormy16.md, config/vax/vax.md: Fix comment
3340         typos.
3341
3342 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
3343
3344         PR c/17855
3345         * gimplify.c (gimplify_expr): Create a temporary for lvalue
3346         COND_EXPR and CALL_EXPR.
3347
3348 2005-03-31  Vladimir Makarov  <vmakarov@redhat.com>
3349
3350         PR target/20632
3351         * genautomata.c (first_cycle_unit_presence): Check all alternative
3352         states for unit presence.
3353
3354         * doc/md.texi: Remove remark about impossibility to query unit
3355         presence in non nondeterministic automaton state.
3356
3357         * config/ia64/ia64.c (get_template): Change order of unit querying.
3358
3359 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
3360
3361         * tree-ssa-dom.c (cprop_into_successor_phis): Remove an
3362         obsolete comment.
3363
3364 2005-03-31  Zdenek Dvorak  <dvorakz@suse.cz>
3365
3366         * cfgloopanal.c (mark_loop_exit_edges): Clean EDGE_LOOP_EXIT
3367         flag for edges outside any loops.
3368
3369 2005-03-31  Janis Johnson  <janis187@us.ibm.com>
3370
3371         * doc/sourcebuild.texi (Test Directives): Describe cleanup-* procs.
3372
3373 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
3374
3375         * tree-ssa-alias.c: Follow spelling conventions.
3376         * doc/tree-ssa.texi: Fix a typo.
3377
3378 2005-03-31  J"orn Rennecke <joern.rennecke@st.com>
3379
3380         * postreload-gcse.c: Include target.h.
3381         (gcse_after_reload_main): Return early if we cannot modify jumps.
3382         * Makefile.in (postreload-gcse.o): Depend on $(TARGET_H).
3383
3384 2005-03-31  David Edelsohn  <edelsohn@gnu.org>
3385
3386         * tree-ssa-loop-im.c (stmt_cost): Add RDIV_EXPR to list of
3387         expensive operations.
3388
3389 2005-03-31  Ian Lance Taylor  <ian@airs.com>
3390
3391         * collect2.c (lderrout): New variable.
3392         (collect_exit): Dump ldout to stdout.  Dump and unlink lderrout,
3393         if it is set, to stderr.
3394         (handler): Unlink lderrout if it is set.
3395         (dump_file): Add "to" parameter.  Change all callers.
3396         (main): Initialize lderrout.
3397         (collect_execute): Add errname parameter.  Change all callers.
3398         Rename redir parameter to outname.  Never pass
3399         PEX_STDERR_TO_STDOUT to pex_run.
3400         * collect2.h (collect_execute, dump_file): Update declarations.
3401         * tlink.c (tlink_execute): Add errname parameter.  Change all
3402         callers.
3403         (do_tlink): Check lderrout as well as ldout.
3404
3405 2005-03-31  Caroline Tice  <ctice@apple.com>
3406
3407         * Makefile.in (varasm.o): Add basic-block.h to list of requirements.
3408         (bb-reorder.o): Add errors.h to list of requirements.
3409         (STAGEFEEDBACK_FLAGS_TO_PASS): Add -freorder-blocks-and-partition to
3410         profiledbootstrap flags.
3411         * bb-reorder.c (errors.h): Add new include.
3412         (struct bbro_basic_block_data_def): Add new field, in_trace.
3413         (add_unlikely_executed_notes):  Remove function.
3414         (mark_bb_for_unlikely_executed_section): Remove function.
3415         (insert_section_boundary_note): New function.
3416         (verify_hot_cold_block_grouping): New function.
3417         (push_to_next_round_p): Remove variables and tests that push all
3418         cold blocks to last round.
3419         (find_traces): Remove code that added extra round of trace finding
3420         when doing partitioning.
3421         (find_traces_1_round) :  Remove variable last_round;  add code to
3422         update new struct field, in_trace; correct trace_length where it was
3423         incorrect before (after call to copy_bb); change code that pushed all
3424         cold blocks to last round. Instead verify that all blocks going into
3425         a trace belong in the same partition.
3426         (connect_traces): Modify to connect the traces in two passes, if the
3427         function contains both hot and cold blocks.  The first pass connects
3428         all the traces for blocks in the partition that the first block in
3429         the function belongs to; the second pass connnects all the traces
3430         containing blocks that belong in the other partition.
3431         (find_rarely_executed_basic_blocks_and_crossing_edges):  Remove
3432         code that automatically put the first block in a function into the
3433         hot partition if the function had any hot blocks.
3434         (fix_crossing_unconditional_branches): Check number of succ edges
3435         before attempting to get one.
3436         (fix_edges_for_rarely_executed_code):  Update comment describing
3437         function.
3438         (reorder_basic_blocks):  Add code to initialize new field (in_trace);
3439         remove call to add_unlikely_executed_notes; add call to
3440         verify_hot_cold_block_grouping.
3441         (duplicate_computed_gotos): Don't change computed goto if it's a
3442         crossing edge.
3443         (partition_hot_cold_basic_blocks):  Update function comment.
3444         * cfgcleanup.c (try_simplify_condjump): Remove redundacy from
3445         condition.
3446         (try_forward_edges): Likewise.
3447         (merge_blocks_move_predecessor_nojumps): Likewise.
3448         (merge_blocks_move_successor_nojumps): Likewise.
3449         (merge_blocks_move): Likewise.
3450         (try_crossjump_bb): Likewise.
3451         * cfglayout.c (update_unlikely_executed_notes): Remove function.
3452         (fixup_reorder_chain): Remove code for adding UNLIKELY_EXECUTED_CODE
3453         notes to cold bb's; remove call to update_unlikely_executed_notes.
3454         (duplicate_insn_chain):  change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
3455         NOTE_INSN_SWITCH_TEXT_SECTIONS.
3456         * cfglayout.h (scan_ahead_for_unlikely_executed_note): Remove
3457         function declaration.
3458         * cfgrtl.c (can_delete_note_p): Remove UNLIKELY_EXECUTED_CODE note
3459         from consideration.
3460         (rtl_can_merge_blocks): Remove redundancy from condition.
3461         (try_redirect_by_replacing_jump): Likewise.
3462         (force_nonfallthru_and_redirect): Remove code for adding
3463         UNLIKELY_EXECUTED_CODE notes to cold bb's.
3464         (commit_one_edge_insertion): Likewise.
3465         (cfg_layout_can_merge_blocks_p): Remove redundancy from condition.
3466         * dbxout.c (FORCE_TEXT): Replace function_section with
3467         current_function_section.
3468         (struct dbx_debug_h): Add do_nothing function for new debug_hooks
3469         function, switch_text_section.
3470         (struct xcoff_debug): Likewise.
3471         (dbxout_function_end): Add code to put out label diffs for both
3472         hot and cold sections.
3473         * debug.c (struct do_nothing_debug_hooks): Add do_nothing function
3474         for new debug_hooks funciton, switch_text_section..
3475         * debug.h (struct gcc_debug_hooks):  Add new function to debug_hooks,
3476         switch_text_section.
3477         * dwarf2out.c (struct dw_fde_struct):  Add five new fields:
3478         dw_fde_hot_section_label, dw_fde_hot_section_end_label,
3479         dw_fde_unlikely_section_label, dw_fde_unlikely_section_end_label and
3480         dw_fde_switched_sections.
3481         (output_call_frame_info):  Add test to see if function switches text
3482         sections in the middle; if so, use appropriate extra hot and cold
3483         section labels to compute size deltas for the hot and cold sections.
3484         (dwarf2out_begin_prologue): Add code to initialize new fields in
3485         dw_fde_struct.
3486         (dwarf2out_switch_text_section): New function (invoked through
3487         debug_hook); updates new fields in dw_fde_struct appropriately and
3488         increments separate_line_info_table_in_use.
3489         (dwarf2_debug_hooks): Initialize switch_text_section function to be
3490         dwarf2out_switch_text_section.
3491         (struct var_loc_node): Add new field, section_label.
3492         (output_aranges): Add code to check whether in hot or cold section and
3493         use the appropriate label in calculating deltas.
3494         (output_ranges): Likewise.
3495         (output_line_info): Add code to check which section we're in and
3496         use appropriate hot/cold label.
3497         (add_location_or_constant_value_attribute): Likewise.
3498         (gen_subprogam_die): Modify arange attributes to use correct labels.
3499         (dwarf2out_begin_block): Change call to function_section into call to
3500         current_function_section.
3501         (dwarf2out_end_block): Likewise.
3502         (dwarf2out_source_line): Likewise.
3503         (dwarf2out_var_location): Add code to check whether in hot or cold
3504         section and use the appropriate label.
3505         * except.c (output_function_exception_table): Change call to
3506         function_section into call to current_function_section.
3507         * final.c (profile_function): Likewise.
3508         (scan_ahead_for_unlikely_executed_note): Remove function.
3509         (final_scan_insn):  Remove calls to
3510         scan_ahead_for_unlikely_executed_note, and related code for switching
3511         to cold section, except for the single time
3512         NOTE_INSN_SWITCH_TEXT_SECTIONS may be encountered;  add calls to
3513         debug_hooks->switch_text_sections; replace appropriate calls to
3514         function_section with calls to current_function_section.
3515         * ifcvt.c (find_if_case_1): Remove redundancy from condition, add
3516         test_bb to condition.
3517         (find_if_case_2): Likewise.
3518         * insn-notes.def: Change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
3519         NOTE_INSN_SWITCH_TEXT_SECTIONS.  Update comment appropriately.
3520         * opts.c (decode_options): Change warning about hot/cold partitioning
3521         with exceptionss to inform (so as not to cause bootstrap failures);
3522         remove warning about partitioning with DWARF debug info.
3523         * output.h (current_function_section): Add new function decl.
3524         (insert_section_boundary_note): Likewise.
3525         (enum in_section): Move this declaration here from varasm.c.
3526         (unlikely_section_label): Likewise.
3527         (unlikely_text_section_name): Likewise.
3528         (last_text_section_name): New global variable.
3529         (last_text_section): Likewise.
3530         (hot_section_label): Likewise.
3531         (hot_section_end_label): Likewise.
3532         (cold_section_end_label): Likewise.
3533         * passes.c (rest_of_handle_final): Free unlikely_text_section_name.
3534         * print-rtl.c (print_rtx): Change NOTE_INSN_UNLIKELY_EXECUTED_CODE
3535         to NOTE_INSN_SWITCH_TEXT_SECTIONS.
3536         * reg-stack.c (emit_swap_insn): Remove UNLIKELY_EXECUTED_CODE note
3537         insn from consideration.
3538         * sdbout.c (sdb_debug_hooks): Add do_nothing for new function,
3539         switch_text_section.
3540         * varasm.c (basic-block.h): Add new include.
3541         (unlikely_section_label_printed): Remove global variable.
3542         (unlikely_section_label): Make global variable not be static any more.
3543         (unlikely_text_section_name): Likewise.
3544         (hot_section_end_label): New global variable (not static)
3545         (first_function_block_is_cold): Likewise.
3546         (hot_section_label): Likewise.
3547         (cold_section_end_label): Likewise..
3548         (last_text_section): New global variable, not static.
3549         (last_text_section_name): New global variable, not static.
3550         (initialize_cold_section_name): New function.
3551         (enum in_section): Move declaration to output.h.
3552         (text_section): Update last_text_section.
3553         (unlikely_text_section): Replace code to determine cold section name
3554         with call to initialize_cold_section_name; Add code to update
3555         last_text_section; remove code for printing out label.
3556         (named_section_real): Add code to update last_text_section and
3557         last_text_section_name as appropriate.
3558         (function_section): Change test for 'unlikely' to depend on
3559         first_function_block_is_cold (moved old test to
3560         current_function_section).
3561         (current_function_section): New function.
3562         (assemble_start_function): Move code that frees
3563         unlikely_text_section_name; initialize hot_section_end_label;
3564         print hot and cold section labels at the start of the function;
3565         set first_function_block_is_cold, if appropriate; initialize l
3566         ast_text_section; add call to insert_section_boundary_note.
3567         (assemble_end_function):  Add code to write out hot and cold section
3568         end labels.
3569         *vmsdbgout.c (vmsdbg_debug_hooks): Add do_nothing for new function,
3570         switch_text_section.
3571         * config/darwin.c (machopic_select_section): Replace incorrect
3572         function in base_funs; update reloc for cold sections if necessary.
3573         * config/darwin.h (SECTION_FUNCTION):  Add code to update
3574         last_text_section if appropriate.
3575         (text_unlikely_section): Remove.
3576         * config/sparc/sparc.c (sparc_output_deferred_case_vectors): Likewise.
3577         * config/stormy16/stormy16.c (stormy_16_output_addr_vec): Likewise.
3578         * config/xtensa/xtensa.c (override_options): Turn off hot/cold
3579         partitioning for this architecture.
3580
3581 2005-03-31  Olivier Hainque  <hainque@adacore.com>
3582
3583         * dwarf2out.c (dwarf2out_frame_finish): Honor DWARF2_FRAME_INFO
3584         defined and non-zero.
3585
3586 2005-03-31  Gabriel Dos Reis  <gdr@integrable-solutions.net>
3587
3588         PR c++/18644
3589         * doc/invoke.texi (-Wsynth): Don't document, as it now is void of
3590         semantics.
3591
3592 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
3593
3594         PR target/20611
3595         * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Remove inline
3596         label operand.  Remove (use (unspec..)).  Don't emit a label on
3597         the offset word.
3598         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Don't
3599         generate inline label for load_toc_v4_PIC_1b.
3600         (rs6000_emit_load_toc_table): Likewise.
3601
3602 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
3603
3604         * config.gcc: Obsolete i860-*-sysv4*, ip2k-*-elf,
3605         ns32k-*-netbsdelf*, and ns32k-*-netbsd*.
3606
3607 2005-03-29  Devang Patel  <dpatel@apple.com>
3608
3609         * tree-sra.c (decide_block_copy): Disable scalarization of
3610         sub-elements.
3611
3612 2005-03-30  Stuart Hastings  <stuart@apple.com>
3613             Dale Johannesen  <dalej@apple.com>
3614
3615         * Makefile.in (print-tree.o):  Depend on tree-iterator.h.
3616         * print-tree.c (print_node):  Add case STATEMENT_LIST.
3617
3618 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
3619
3620         * config.gcc (cpu_is_64bit): Set for 64-bit powerpc cpus.
3621         (powerpc64-*-linux*): Use it.  Rearrange tm_file assignment.
3622         (powerpc-*-linux*): Build a biarch compiler when --enable-targets
3623         is given with "powerpc64*" or "all", or when --with-cpu chooses
3624         a 64-bit cpu.
3625
3626 2005-03-30  James E. Wilson  <wilson@specifixinc.com>
3627
3628         PR debug/20268
3629         * dwarf2out.c (add_high_low_attributes): New function, extracted from
3630         gen_lexical_block_die.
3631         (gen_lexical_block_die, gen_inlined_subroutine_die): Call it.
3632
3633 2005-03-31  Jan Hubicka  <jh@suse.cz>
3634
3635         2004-11-02  Jan Hubicka  <jh@suse.cz>
3636
3637         * cgraph.c (cgraph_varpool_node_name): New function.
3638         (dump_cgraph_varpool_node): New function.
3639         (dump_varpool): New function.
3640         * cgraphunit.c (cgraph_optimize): Dump varpool.
3641
3642         2004-10-16  Jan Hubicka  <jh@suse.cz>
3643
3644         * cgraph.c (decide_is_variable_needed): New function.
3645         (cgraph_varpool_finalize_decl): Use it.
3646         * cgraphunit.c (cgraph_optimize): Assemble_pending_decls when not doing
3647         unit-at-a-time.
3648         * final.c (output_addr_const): Do not call mark_referenced.
3649         * passes.c (rest_of_decl_compilation): ifdef out DECL_RTL_SET_P hack;
3650         always go via cgraph.
3651         * toplev.c (wrapup_global_declarations): Kill non-unit-at-a-time code.
3652         (check_global_declarations): Ifdef out code clearing DECL_RTL.
3653         * tree-optimize.c (execute_inline): Mark functions called.
3654         * i386.c (output_pic_addr_const): Do not call mark_decl_referenced.
3655
3656         2004-10-11  Jan Hubicka  <jh@suse.cz>
3657
3658         * cgraph.c (cgraph_varpool_first_unanalyzed_node): New global voriable
3659         (cgraph_varpool_last_needed_node): New static variable.
3660         (enqueue_needed_varpool_node): Break out from ...; add items to the
3661         end of queue; update first pointers.
3662         (cgraph_varpool_mark_needed_node): ... here.
3663         (cgraph_varpool_finalize_decl): Use enqueue_needed_varpool_node.
3664         (cgraph_varpool_assemble_pending_decls): Move to cgraphunit.c
3665         * cgraph.h (cgraph_varpool_node): Add analyzed field.
3666         (cgraph_varpool_first_unanalyzed_node): Declare.
3667         * cgraphunit.c: Include output.h.
3668         (cgraph_varpool_analyze_pending_decls): New function.
3669         (cgraph_varpool_assemble_pending_decls): Move from cgraph.c; bail out
3670         for errors, analyze pending decls.
3671         (cgraph_finalize_compilation_unit): Only analyze decls.
3672         (cgraph_optimize): Assemble the decls after expanding.
3673
3674 2005-03-30  Daniel Berlin  <dberlin@dberlin.org>
3675
3676         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Make sure
3677         subvars get marked properly in tags for grouping.
3678         (add_pointed_to_var): Mark only actual pointed to
3679         variables/subvars in addresses needed.
3680         (create_overlap_variables_for): Clear call clobbered on original
3681         variable.
3682         * tree-ssa-operands.c (get_asm_expr_operands): Don't let regular
3683         addresable vars with subvars into list.
3684         * tree-ssa.c (verify_ssa_name): Verify original is not used where
3685         subvar should be.
3686
3687 2005-03-30  Richard Henderson  <rth@redhat.com>
3688
3689         * cgraph.h (struct cgraph_node): Add alias.
3690         * varasm.c (assemble_alias): Set it.
3691         * cgraphunit.c (cgraph_assemble_pending_functions): Check it and
3692         avoid calling cgraph_expand_function.
3693
3694 2005-03-30  Tom Tromey  <tromey@redhat.com>
3695
3696         * tree.def (FILE_TYPE): Removed.
3697         * typeclass.h (enum type_class): Removed file_type_class.
3698         * dwarf2out.c (is_base_type): Updated.
3699         (gen_type_die): Likewise.
3700         * dbxout.c (dbxout_type): Updated.
3701         * builtins.c (type_to_class): Updated.
3702         * tree.c (type_contains_placeholder_1): Updated.
3703         * config/sparc/sparc.c (sparc_type_code): Updated.
3704         * config/ia64/ia64.c (hfa_element_mode): Updated.
3705         * expr.c (count_type_elements): Updated.
3706         * stor-layout.c (layout_type): Updated.
3707         * tree-inline.c (remap_type): Updated.
3708         * tree-pretty-print.c (dump_generic_node): Updated.
3709
3710 2005-03-30 Fariborz Jahanian <fjahanian@apple.com>
3711
3712         * builtins.c (expand_builtin_powi): Fix mode of
3713         2nd argument to match int.
3714         * libgcc2.h (__powisf2, __powidf2, __powixf2, __powitf2): Change
3715         2nd argument type to int.
3716         * libgcc2.c: Change prototype of __powi* functions to use
3717         int.
3718
3719 2005-03-30  Dale Johannesen  <dalej@apple.com>
3720
3721         PR middle-end/19225
3722         * calls.c (expand_call):  Flush pending deferrals before
3723         throwing call.
3724
3725 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
3726
3727         PR c/772
3728         PR c/17913
3729         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR,
3730         C_DECL_UNDEFINABLE_STMT_EXPR, struct c_label_list, struct
3731         c_label_context, label_context_stack): New.
3732         * c-decl.c (define_label): Check for jumps into statement
3733         expressions.  Add label to list of defined labels.
3734         (start_function): Push context on label_context_stack.
3735         (finish_function): Pop context from label_context_stack.
3736         * c-typeck.c (label_context_stack): New.
3737         (c_finish_goto_label): Check for jumps into statement
3738         expressions.  Add label to list of jumped to labels.
3739         (struct c_switch): Add blocked_stmt_expr.
3740         (c_start_case): Initialize it.
3741         (do_case): Check it.
3742         (c_finish_case): Verify !blocked_stmt_expr.
3743         (c_begin_stmt_expr):  Push context on label_context_stack.
3744         Increment blocked_stmt_expr.  Mark labels jumped to from outside
3745         as undefinable.
3746         (c_finish_stmt_expr): December blocked_stmt_expr.  Mark labels
3747         defined in the statement expression and no longer jumpable to.
3748         Mark labels jumped to from just outside the statement expression
3749         as again definable.  Pop context from label_context_stack.
3750         * doc/extend.texi (Statement Exprs): Update.
3751
3752 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
3753
3754         PR c/20368
3755         * c-decl.c (start_function): Check for old_decl being
3756         error_mark_node.
3757
3758 2005-03-30  Ian Lance Taylor  <ian@airs.com>
3759
3760         * final.c (final): Remove prescan parameter.  Change all callers.
3761         (final_scan_insn): Remove prescan parameter.  Change all callers.
3762
3763 2005-03-30  Kazu Hirata  <kazu@cs.umass.edu>
3764
3765         * tree-vectorizer.c: Fix comment typos.
3766
3767 2005-03-30  Sebastian Pop  <pop@cri.ensmp.fr>
3768
3769         * tree-scalar-evolution.c (instantiate_parameters_1): Return
3770         as soon as a chrec_dont_know is detected.
3771
3772 2005-03-31  Danny Smith  <dannysmith@users.sourceforge.net>
3773
3774         Merge from csl-arm-branch.
3775         2004-02-12  Mark Mitchell  <mark@codesourcery.com>
3776
3777         * tlink.c (recompile_files): Do not assume that "rename" can
3778         overwrite an existing file.
3779
3780 2005-03-31  Paolo Bonzini  <bonzini@gnu.org>
3781
3782         * gcc/configure.ac (TL_AC_GNU_MAKE_GCC_LIB_PATH): Remove.
3783         * gcc/configure: Regenerate.
3784
3785 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
3786
3787         * doc/install.texi: Update binutils requirement for powerpc*-linux.
3788
3789         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Update comments.
3790
3791         * calls.c (struct arg_data): Update "partial" comment.
3792         (load_register_parameters): Update "nregs" comment.
3793
3794 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
3795
3796         * config/iq2000/iq2000.h (target_flags, MASK_GPOPT, MASK_EMBEDDED_DATA)
3797         (MASK_UNINIT_CONST_IN_RODATA, TARGET_EMBEDDED_DATA, TARGET_SWITCHES)
3798         (TARGET_DEFAULT, TARGET_CPU_DEFAULT, SUBTARGET_TARGET_OPTIONS)
3799         (TARGET_OPTIONS, iq2000_cpu_string, iq2000_arch_string): Delete.
3800         (TARGET_DEBUG_MODE, TARGET_DEBUG_A_MODE, TARGET_DEBUG_B_MODE)
3801         (TARGET_DEBUG_C_MODE, TARGET_DEBUG_D_MODE): Define to 0 rather
3802         than target_flags & 0.
3803         * config/iq2000/iq2000.c (iq2000_cpu_string, iq2000_arch_string)
3804         (iq2000_arch, iq2000_parse_cpu): Delete.
3805         (TARGET_HANDLE_OPTION): Override default.
3806         (iq2000_handle_option): New function.
3807         (override_options): Remove -march= and -mcpu= handling.
3808         * config/iq2000/iq2000.opt: New file.
3809
3810 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
3811
3812         * config/c4x/c4x-protos.h (c4x_rpts_cycles, c4x_cpu_version): Delete.
3813         * config/c4x/c4x.h (SMALL_MEMORY_FLAG, MPYI_FLAG, FAST_FIX_FLAG)
3814         (RPTS_FLAG, C3X_FLAG, TI_FLAG, PARANOID_FLAG, MEMPARM_FLAG, DEVEL_FLAG)
3815         (RPTB_FLAG, BK_FLAG, DB_FLAG, DEBUG_FLAG, HOIST_FLAG)
3816         (LOOP_UNSIGNED_FLAG, FORCE_FLAG, PRESERVE_FLOAT_FLAG)
3817         (PARALLEL_INSN_FLAG, PARALLEL_MPY_FLAG, ALIASES_FLAG, C30_FLAG)
3818         (C31_FLAG, C32_FLAG, C33_FLAG, C40_FLAG, C44_FLAG, TARGET_SWITCHES)
3819         (TARGET_DEFAULT, TARGET_SMALL, TARGET_MPYI, TARGET_FAST_FIX)
3820         (TARGET_RPTS, TARGET_TI, TARGET_PARANOID, TARGET_MEMPARM, TARGET_DEVEL)
3821         (TARGET_RPTB, TARGET_BK, TARGET_DB, TARGET_DEBUG, TARGET_HOIST)
3822         (TARGET_LOOP_UNSIGNED, TARGET_FORCE, TARGET_PRESERVE_FLOAT)
3823         (TARGET_PARALLEL, TARGET_PARALLEL_MPY, TARGET_ALIASES)
3824         (c4x_rpts_cycles_string, c4x_cpu_version_string)
3825         (TARGET_OPTIONS): Delete.
3826         (c4x_rpts_cycles, c4x_cpu_version): Declare.
3827         (TARGET_C3X, TARGET_C30, TARGET_C31, TARGET_C32, TARGET_C33)
3828         (TARGET_C40, TARGET_C44): Redefine in terms of c4x_cpu_version.
3829         * config/c4x/c4x.c (c4x_rpts_cycles_string): Delete.
3830         (c4x_cpu_version_string): Delete.
3831         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3832         (c4x_handle_option): New function.  Map -m3x and -m4x options to the
3833         equivalent -mcpu= option.
3834         (c4x_override_options): Remove -mrpts= and -mcpu= handling from here.
3835         Deal with the extra conditions in the old TARGET_MPYI, TARGET_RPTB,
3836         TARGET_DB, TARGET_PARALLEL and TARGET_PARALLEL_MPY macros by setting
3837         or clearing the appropriate MASK_* bit.
3838         (c4x_file_start): Use c4x_cpu_version.
3839         * config/c4x/c4x.opt: New file.
3840
3841 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
3842
3843         * doc/options.texi: Document the new MaskExists flag.
3844         * opth-gen.awk: Don't output MASK and TARGET macros for Mask(...)
3845         if the option has the MaskExists flag.
3846
3847 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
3848
3849         * opt-functions.awk (flag_set_p, test_flag): New functions.
3850         (switch_flags): Use them.
3851         * opth-gen.awk: Use flag_set_p to check for flags.
3852         * optc-gen.awk: Likewise.  Use opt_args to check for Init(...) flags.
3853
3854 2005-03-30  Ian Lance Taylor  <ian@airs.com>
3855
3856         * config.host (i[34567]86-*-mingw32*): Don't set
3857         host_can_use_collect2 to no.
3858
3859 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
3860
3861         PR target/20203
3862         * builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL.
3863         Remove convert_memory_address call duplicating that in memory_address.
3864
3865 2005-03-29  Richard Henderson  <rth@redhat.com>
3866
3867         PR c/20519
3868         * c-decl.c (c_finish_incomplete_decl): Update complete_array_type call.
3869         (build_compound_literal): Likewise.  Propagate decl type into the
3870         initializer.
3871         (finish_decl): Likewise.  Use new return value from complete_array_type
3872         for zero sized arrays.
3873         (complete_array_type): Move ...
3874         * c-common.c (complete_array_type): ... here.  Change first argument
3875         to pointer-to-type-node.  Consistently use sizetype for the index
3876         except for zero sized arrays.  Detect zero sized arrays for pedantic
3877         mode diagnostics.  Create a new type node instead of modifying the
3878         old node in place.
3879         * c-tree.h (complete_array_type): Move decl ...
3880         * c-common.h (complete_array_type): ... here.
3881
3882 2005-03-29  Richard Henderson  <rth@redhat.com>
3883
3884         PR tree-opt/19108
3885         * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.
3886
3887 2005-03-29  Kazu Hirata  <kazu@cs.umass.edu>
3888
3889         * builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c,
3890         debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c,
3891         rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h,
3892         tree-profile.c, tsystem.h, value-prof.h: Update copyright.
3893
3894 2005-03-29  Eric Christopher  <echristo@redhat.com>
3895
3896         * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
3897         truthvalue conversion removal.
3898
3899 2005-03-29  Ian Lance Taylor  <ian@airs.com>
3900
3901         PR bootstrap/14316
3902         * collect2.c: Never include <vfork.h>.
3903         (VFORK_STRING, vfork): Don't define.
3904         (pid): Remove global variable.
3905         (handler): Call raise instead of kill (getpid(), ...).
3906         (collect_wait): Add pex parameter.  Change all callers.  Use
3907         pex_get_status rather than pwait.
3908         (do_wait): Add pex parameter.  Change all callers.
3909         (collect_execute): Return struct pex_obj * rather than void.  Use
3910         pex routines rather than pexecute.
3911         (fork_execute): Get pex_obj from collect_execute, and pass it to
3912         do_wait.
3913         (scan_prog_file): Use pex routines rather than pipe/vfork/exec.
3914         Only declare quit_handler if SIGQUIT is defined.
3915         (scan_libraries): Likewise.
3916         * collect2.h (collect_execute): Update declaration.
3917         (collect_wait): Update declaration.
3918         * tlink.c (tlink_execute): Get pex_obj from collect_execute, and
3919         pass it to collect_wait.
3920
3921 2005-03-29  Joseph S. Myers  <joseph@codesourcery.com>
3922
3923         PR c/20672
3924         * c-parser.c (c_parser_compound_statement_nostart): Give error
3925         message for EOF instead of just setting parser->error.
3926
3927 2005-03-29  Dorit Naishlos  <dorit@il.ibm.com>
3928
3929         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed.
3930         (slpeel_update_phi_nodes_for_guard1): New function.
3931         (slpeel_update_phi_nodes_for_guard2): New function.
3932         (slpeel_tree_peel_loop_to_edge): Call above new functions instead
3933         of slpeel_update_phi_nodes_for_guard.
3934         (vectorize_loops): Remove call to loop_closed_rewrite.
3935         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove
3936         assertion.
3937
3938 2005-03-29  Richard Sandiford  <rsandifo@redhat.com>
3939
3940         * config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete.
3941         (TARGET_LITTLE_ENDIAN): New macro.
3942         * config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags)
3943         (TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG)
3944         (TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS)
3945         (TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE)
3946         (TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK)
3947         (TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT)
3948         (TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT)
3949         (TARGET_SWITCHES, m32r_model_string, m32r_sdata_string)
3950         (m32r_cache_flush_trap_string, SUBTARGET_OPTIONS)
3951         (TARGET_OPTIONS): Delete.
3952         (M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums.
3953         (CACHE_FLUSH_TRAP): Turn into an integer.
3954         (TARGET_LITTLE_ENDIAN): Define to 0 by default.
3955         (INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if
3956         -mflush-trap is in use.
3957         * config/m32r/m32r.c (m32r_model_string, m32r_sdata_string)
3958         (m32r_cache_flush_trap_string): Delete.
3959         (m32r_model) Initialize to M32R_MODEL_DEFAULT.
3960         (m32r_sdata): Likewise M32R_SDATA_DEFAULT.
3961         (m32r_cache_trap): Likewise CACHE_FLUSH_TRAP.
3962         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3963         (m32r_handle_option): New function.  Move -mflush-trap=, -mflush-func=,
3964         -mmodel= and -msdata= handling from...
3965         (m32r_init): ...here.
3966         * config/m32r/m32r.opt: New file.
3967
3968 2005-03-29  Keith Besaw  <kbesaw@us.ibm.com>
3969
3970         * tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
3971         (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
3972         * tree-vect-analyze.c (vect_object_analysis): additional parm
3973         pass back a "struct ptr_info_def *" with the points-to info.
3974         (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
3975         statement using info returned from vect_object_analysis.
3976         * tree-vect-transform.c (update_vuses_to_preheader): New function.
3977         (vect_create_data_ref_ptr): Remove updates to vars_to_rename
3978         for virtual uses and defs when creating a replacement vector
3979         reference.  Call duplicate_ssa_name_ptr_info to define points-to
3980         info for vector pointer replacement using STMT_VINFO_PTR_INFO.
3981         (vectorizable_store): copy_virtual_operands and update
3982         definition statements.
3983         (vectorizable_load): copy_virtual_operands.  Remove call to
3984         mark_call_clobbered_vars_to_rename for call to "const" builtin.
3985         * tree-vectorizer.c (vectorize_loops): Remove calls to
3986         rewrite_into_ssa and bitmap_clear (vars_to_rename).
3987         (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
3988         * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
3989         define macro STMT_VINFO_PTR_INFO for use in accessing.
3990         * tree.h add export of duplicate_ssa_name_ptr_info.
3991         * rs6000.c (altivec_init_builtins): Declare builtin function
3992         __builtin_altivec_mask_for_load to be "const".
3993
3994 2005-03-29  Jakub Jelinek  <jakub@redhat.com>
3995
3996         PR middle-end/20622
3997         * cgraph.h (struct cgraph_varpool_node): Add alias field.
3998         * cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call
3999         assemble_variable on aliases.
4000         * varasm.c (assemble_alias): Set node->alias.
4001         * toplev.c (wrapup_global_declarations): Don't call
4002         rest_of_decl_compilation on aliases again.
4003
4004 2005-03-29  Paul Brook  <paul@codesourcery.com>
4005
4006         * config/arm/arm-protos.h (arm_dbx_register_number): Add prototype.
4007         * config/arm/arm.c (arm_dbx_register_number): New function.
4008         * config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define.
4009
4010 2005-03-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
4011
4012         PR middle-end/20263
4013         * varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use
4014         the DECL_NAME, not the DECL_ASSEMBLER_NAME.
4015
4016 2005-03-29  Dale Johannesen <dalej@apple.com>
4017
4018         * Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H)
4019         $(TREE_H) and $(COVERAGE_H).
4020         * coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME.
4021         * opts.c (common_handle_option): Enable tree-based value transforms.
4022         * toplev.c (process_options): Ditto.
4023         * value-prof.h (struct histogram_value_t): Redefine. "Adjust" below
4024         refers to references to this type.
4025         * tree-flow.h: (struct stmt_ann_d): Add histograms field.
4026         * rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks
4027         for may_be_more, may_be_less.
4028         (rtl_gen_pow2_profiler): Adjust.
4029         (rtl_gen_one_value_profiler_no_edge_manip): Adjust.
4030         (rtl_gen_one_value_profiler): Adjust.
4031         (rtl_gen_const_delta_profiler): Adjust.
4032         * tree-profile.c (tree_gen_interval_profiler): Implement.
4033         (tree_gen_pow2_profiler): Ditto.
4034         (tree_gen_one_value_profiler): Ditto.
4035         (tree_profiling): New.
4036         (pass_tree_profile): Reference it.
4037         * value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h,
4038         tree.h, gcov-io.h.
4039         (insn_divmod_values_to_profile): Rename to
4040         rtl_divmod_values_to_profile. Adjust.
4041         (insn_values_to_profile): Rename to rtl_values_to_profile. Adjust.
4042         (insn_prefetch_values_to_profile): Adjust.
4043         (rtl_value_profile_transformations): Adjust.
4044         (gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value.
4045         (gen_mod_pow2): Rename to rtl_mod_pow2.
4046         (gen_mod_subtract): Rename to rtl_mod_subtract.
4047         (divmod_fixed_value_transform): Rename to
4048         rtl_divmod_fixed_value_transform.
4049         (mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform.
4050         (mod_subtract_transform): Rename to rtl_mod_subtract_transform.
4051         (rtl_find_values_to_profile): Adjust.
4052         (tree_value_profile_transformations): Implement.
4053         (tree_divmod_values_to_profile): New.
4054         (tree_values_to_profile): New.
4055         (tree_divmod_fixed_value): New.
4056         (tree_mod_pow2): New.
4057         (tree_mod_subtract): New.
4058         (tree_divmod_fixed_value_transform): New.
4059         (tree_mod_pow2_value_transform): New.
4060         (tree_mod_subtract_transform): New.
4061         (tree_find_values_to_profile): Implement.
4062         * profile.c (instrument_values):  Free histograms.
4063         (compute_value_histograms): Adjust. Implement tree version.
4064
4065 2005-03-29  Uros Bizjak  <uros@kss-loka.si>
4066
4067         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST> case.
4068         * config/i386/i386.c (output_fix_trunc): Add new round_mode
4069         variable.  Output "fldcw" depending on round_mode.
4070         * config/i386/i386.md (UNSPEC_FIST): New.
4071         (fistdi2, fistdi2_with_temp, fist<mode>2, fist<mode>2_with_temp):
4072         New isns patterns to implement lrint and llrint built-ins as x87
4073         intrinsic function.
4074         (fistdi2, fist<mode>2 splitters): New splitters.
4075         (lrint<mode>2): New expanders.
4076
4077 2005-03-28  Ian Lance Taylor  <ian@airs.com>
4078
4079         * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
4080         0 when calling final_scan_insn.
4081
4082 2005-03-28  Jan Hubicka  <jh@suse.cz>
4083
4084         PR middle-end/20635
4085         * varasm.c (mark_decl_referenced): Do not mark extern inline functions
4086         as needed.
4087
4088         * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
4089         types where possible.
4090
4091 2005-03-26  Per Bothner  <per@bothner.com>
4092
4093         Make -f[no-]show-column also control non-cpp diagnostics.
4094         * c.opt (fshow-column): Move option from here ...
4095         * common.opt (fshow-column): ... to here.
4096         * diagnostic.c (diagnostic_build_prefix): Only print column number
4097         if flag_show_column.
4098
4099 2005-03-27  Steven Bosscher  <stevenb@suse.de>
4100
4101         * vax-protos.h (vax_output_int_move, vax_output_int_add,
4102         vax_output_conditional_branch): New prototypes.
4103         * vax.c (vax_output_int_move, vax_output_int_add): New functions,
4104         extracted from vax.md mov and add patterns.
4105         (vax_output_conditional_branch): New function to output conditional
4106         branch instructions.
4107         * vax.md: Use mode macros for arithmetic and mov patterns.
4108         Use code macros for the jump patterns.
4109
4110 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
4111
4112         * Makefile.in (libbackend.o): Depend on version files;
4113         add custom generation command.
4114
4115 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
4116
4117         PR target/20636
4118         * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
4119         sure that we have a REG before getting its REGNO.
4120
4121 2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4122
4123         * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
4124         * builtins.def (BUILT_IN_STRNDUP): New.
4125
4126 2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>
4127
4128         PR tree-optimization/20470
4129         * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
4130         ABS(x-y).
4131
4132 2005-03-25  Mike Stump  <mrs@apple.com>
4133
4134         * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
4135         sized objects.
4136
4137 2005-03-25  Geoffrey Keating  <geoffk@apple.com>
4138
4139         * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
4140         Use our own structure definitions.
4141
4142         * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
4143         (fix_truncdfsi2): Allow registers or memory as destination.
4144         When TARGET_PPC_GFXOPT, generate simplified pattern.
4145         (fix_truncdfsi2_internal): Use define_insn_and_split.
4146         (fix_truncdfsi2_internal_gfxopt): New.
4147         (fctiwz): Don't confuse register allocation by giving it no choices.
4148         (stfiwx): New.
4149         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
4150         (EXTRA_MEMORY_CONSTRAINT): Likewise.
4151         * config/rs6000/rs6000.c (indexed_or_indirect_operand): New.
4152         * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
4153
4154 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
4155
4156         * dominance.c (free_dominance_info): Speed up by freeing et
4157         data structures without maintaining other nodes.
4158         * et-forest.c (et_free_tree_force): New.
4159         * et-forest.h: Add a prototype for et_free_tree_force.
4160
4161         * tree.c (get_set_constructor_bits,
4162         get_set_constructor_bytes): Remove.
4163         * tree.h: Remove the corresponding prototypes.
4164
4165 2005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
4166
4167         PR target/15491
4168         * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
4169         (vax_rtx_costs): Return false when passed unsupported rtx's.  Handle
4170         FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE.  Fix costs for POST_INC,
4171         PRE_DEC, NEG and NOT.
4172
4173 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
4174
4175         * fold-const.c: Convert uses of fold (build (...)) to
4176         fold_buildN.
4177
4178 2005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>
4179
4180         PR rtl-optimization/20249
4181         * cse.c (insert_regs): Do not record equivalence of registers in
4182         different modes.
4183
4184 2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>
4185
4186         * emit-rtl.c (reverse_comparison): Remove.
4187         * rtl.h: Remove the corresponding prototype.
4188
4189 2005-03-24  James E Wilson  <wilson@specifixinc.com>
4190
4191         * doc/install.texi (--enable-altivec): Delete docs.
4192
4193 2005-03-24  David Edelsohn  <edelsohn@gnu.org>
4194
4195         * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
4196         SFmode and DFmode before reload when
4197         flag_unsafe_math_optimizations not enabled.
4198
4199 2005-03-24  Geoffrey Keating  <geoffk@apple.com>
4200
4201         * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
4202
4203         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
4204         MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
4205
4206 2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>
4207
4208         * configure.ac (enable-checking): Add 'runtime' option.
4209         * doc/install.texi (enable-checking): Document 'runtime' checking.
4210         * tsystem.h (gcc_assert, gcc_unreachable): Define.
4211         * config.in: Regenerated.
4212         * configure: Regenerated.
4213
4214 2005-03-23  Uros Bizjak  <uros@kss-loka.si>
4215
4216         * optabs.h (enum optab_index): Remove OTI_llrint.
4217         (llrint_optab): Remove macro.
4218         * optabs.c (init_optabs): Remove llrint_optab initialization.
4219         * genopinit.c (optabs): Remove llrint_optab implementation.
4220         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
4221         using lrint_optab.
4222
4223 2005-03-24  Alexandre Oliva  <aoliva@redhat.com>
4224
4225         PR rtl-optimization/20532
4226         * simplify-rtx.c (simplify_binary_operation_1): Protect from
4227         overflow when adding coefficients for PLUS or MINUS.
4228         (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
4229         two as multiplier.
4230
4231 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
4232
4233         * langhooks.h (truthvalue_conversion): Remove.
4234         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
4235         LANG_HOOKS_TRUTHVALUE_CONVERSION.
4236         * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
4237         * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
4238         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
4239
4240 2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>
4241
4242         * params.def: Fix a typo.
4243         * config/mips/mips.c: Follow the spelling convensions.
4244         * doc/invoke.texi: Fix typos.
4245
4246 2005-03-23  Daniel Berlin  <dberlin@dberlin.org>
4247
4248         Fix PR tree-optimization/20601
4249
4250         * tree-ssa-pre.c (insert_aux): Add missing condition to
4251         constification.
4252
4253 2005-03-23  Ian Lance Taylor  <ian@airs.com>
4254
4255         * final.c (final_scan_insn): Don't remove no-op instructions.
4256         * reload1.c (reload): Remove simple no-op instructions even when
4257         not optimizing.
4258
4259 2005-03-23  Dorit Naishlos  <dorit@il.ib.com>
4260
4261         PR tree-optimization/20501
4262         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
4263         reporting that peeling for alignment is applied moved to...
4264         * (vect_analyze_data_refs_alignment): Here.
4265
4266 2005-03-23  Ian Lance Taylor  <ian@airs.com>
4267
4268         * reorg.c (dbr_schedule): Remove #if 0 code to call final.
4269
4270 2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
4271
4272         * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
4273         Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
4274
4275 2005-03-23  Hans-Peter Nilsson  <hp@axis.com>
4276
4277         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
4278         imply that this is called once, independent of asms in code.
4279         Adjust to now being pased output and input lists.  Mention helper
4280         function decl_overlaps_hard_reg_set_p.
4281         * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
4282         hook_tree_tree_identity and to take three trees, returning third.
4283         * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
4284         prototype.
4285         * stmt.c: include hard-reg-set.h before tree.h.
4286         (decl_overlaps_hard_reg_set_p): New function, broken out from...
4287         (decl_conflicts_with_clobbers_p): Call
4288         decl_overlaps_hard_reg_set_p.
4289         (expand_asm_operands): Pass output and input lists in call to
4290         targetm.md_asm_clobbers.
4291         * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
4292         hook_tree_tree_tree_tree_3rd_identity.
4293         * target.h (struct gcc_target.md_asm_clobbers): Take three tree
4294         parameters.
4295         * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
4296         * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
4297         parameters, first two unused.
4298         * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
4299         parameters.  Only add MOF to clobbers if there's no 'h' mentioned
4300         in constraint letters and MOF is not mentioned as a asm-declared
4301         register in neither of the input and output lists.
4302
4303 2005-03-23  DJ Delorie  <dj@redhat.com>
4304
4305         * optabs.c (expand_binop): Make sure the first subword's result
4306         gets stored.
4307
4308 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
4309
4310         * c-common.c (c_common_truthvalue_conversion): Adjust comment.
4311         Call c_common_truthvalue_conversion rather than
4312         lang_hooks.truthvalue_conversion.
4313         * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
4314         * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
4315         c-typeck.c.
4316         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
4317         c_common_truthvalue_conversion.
4318         * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
4319         c_parser_conditional_expression, c_parser_binary_expression): Call
4320         c_objc_common_truthvalue_conversion.
4321         * c-typeck.c (build_unary_op): Call
4322         c_objc_common_truthvalue_conversion.
4323         (build_conditional_expr): Do not call
4324         lang_hooks.truthvalue_conversion.
4325         (build_binary_op): Call c_common_truthvalue_conversion.
4326         (c_objc_common_truthvalue_conversion): Moved from
4327         c-objc-common.c.  Call default_function_array_conversion instead
4328         of default_conversion.
4329
4330 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
4331
4332         * c-common.h (default_conversion): Remove.
4333         (perform_integral_promotions): Add.
4334         * c-tree.h (default_conversion): Add.
4335         * c-typeck.c (perform_integral_promotions): New, split out from
4336         default_conversion.
4337         * c-common.c (check_case_value): Use perform_integral_promotions,
4338         not default_conversion.
4339         (c_add_case_label): Don't continue processing case label after
4340         found to be pointer.
4341
4342 2005-03-23  Mark Mitchell  <mark@codesourcery.com>
4343
4344         * gcc.c (do_spec_1): Do not add a -L path for a directory in
4345         the prefix list if we have already added a multilib directory
4346         based on that path.
4347         (main): Do not add MD_EXEC_PREFIX to the list of directories to
4348         search with -L.
4349
4350 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
4351
4352         * reload1.c (indirect_symref_ok, reload_obstack): Make them
4353         static.
4354         * reload.h: Remove the prototype for indirect_symref_ok.
4355
4356         * reload1.c (indirect_symref_ok): Make it global.
4357         * reload.h: Add a prototype for indirect_symref_ok.
4358
4359 2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
4360
4361         * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
4362         ashlhi3 expander.
4363
4364 2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
4365
4366         * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
4367
4368 2005-03-22  Daniel Berlin  <dberlin@dberlin.org>
4369
4370         * c-opts.c (c_common_parse_file): Only start/end main source file
4371         if debug hooks says the writer wants it.
4372         * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
4373         member.
4374         (xcoff_debug_hooks): Ditto.
4375         * debug.c (do_nothing_hooks): Ditto.
4376         * debug.h (gcc_debug_hooks): Ditto.
4377         * dwarf2out.c (dwarf2_debug_hooks): Ditto.
4378         * sdbout.c (sdb_debug_hooks): Ditto.
4379         * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
4380
4381 2005-03-22  Mark Mitchell  <mark@codesourcery.com>
4382
4383         * doc/extend.texi: Deprecate C++ min/max operators.
4384
4385 2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>
4386
4387         * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
4388         artificial original candidates.
4389
4390 2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
4391             Jan Hubicka  <jh@suse.cz>
4392             Steven Bosscher <stevenb@suse.de>
4393
4394         * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
4395         call cost based on argument sizes.
4396         (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
4397         inlining.
4398         * params.def: (max-inline-inssn-single): Set to 450.
4399         (max-inline-insns-auto): Set to 90.
4400         (max-inline-insns-recursive): Set to 450
4401         (max-inline-insns-recursive-auto): Set to 450.
4402         (large-function-insns): Set to 2700.
4403         (inline-call-cost): New parameter.
4404         * tree-inline.c (estimate_move_cost): New function.
4405         (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
4406         for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
4407         based on arguments.
4408         * tree-inline.h (estimate_move_cost): Declare.
4409         * invoke.texi: (max-inline-inssn-single): Change default to 450.
4410         (max-inline-insns-auto): Change default to 90.
4411         (max-inline-insns-recursive): Change default to 450
4412         (max-inline-insns-recursive-auto): Change default to 450.
4413         (large-function-insns): Change default to 2700.
4414         (inline-call-cost): Document new parameter.
4415
4416 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
4417
4418         * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
4419         (TARGET_DEFAULT): Delete.
4420         * config/i860/i860.opt: New file.
4421
4422 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
4423
4424         * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
4425         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
4426         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
4427         (frv_sched_lookahead): Delete.
4428         * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
4429         (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
4430         (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
4431         (MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
4432         (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
4433         (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
4434         (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
4435         (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
4436         (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
4437         (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
4438         (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
4439         (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
4440         (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
4441         (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
4442         (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
4443         (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
4444         (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
4445         (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
4446         (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
4447         (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
4448         (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
4449         (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
4450         * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
4451         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
4452         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
4453         (frv_sched_lookahead): Delete.
4454         (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
4455         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
4456         (frv_handle_option): New function.  Move -mcpu= handling from...
4457         (frv_override_options): ...here.  Remove handling of other
4458         TARGET_OPTIONS.
4459         (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
4460         TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
4461         (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
4462         and TARGET_NO_MULTI_CE.
4463         (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
4464         !TARGET_VLIW_BRANCH.
4465         * config/frv/frv.opt: New file.
4466
4467 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
4468
4469         * fold-const.c (fold_ternary): Take decomposed arguments of
4470         CALL_EXPR.
4471         (fold): Update a call to fold_ternary.
4472
4473         * fold-const.c (fold_build1, fold_build2, fold_build3): New.
4474         * tree.h: Add corresponding prototypes.
4475
4476 2005-03-22  Jakub Jelinek  <jakub@redhat.com>
4477
4478         PR target/20561
4479         * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
4480         between jump table and its label.
4481         * final.c (shorten_branches): Handle notes in between ADDR_VEC
4482         resp. ADDR_DIFF_VEC and the label preceeding it.
4483         (final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
4484         is emitted in the right section.
4485
4486 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
4487
4488         * fold-const.c (fold_unary, fold_binary): Update comments
4489         about arguments.
4490
4491 2005-03-22  Hans-Peter Nilsson  <hp@axis.com>
4492
4493         PR rtl-optimization/20527
4494         * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
4495         REG_INC note, test that the register also isn't mentioned in PRED
4496         or SUCC.
4497
4498 2005-03-22  Ben Elliston  <bje@au.ibm.com>
4499
4500         * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
4501         and definition.
4502
4503 2005-03-21  Mike Stump  <mrs@apple.com>
4504
4505         * varasm.c (default_assemble_visibility): Remove extra ().
4506
4507 2005-03-21  Roger Sayle  <roger@eyesopen.com>
4508
4509         PR middle-end/20557
4510         * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
4511         to determine whether a block can be duplicated, rather than test
4512         whether the block contains noncopyable insns ourselves.
4513
4514 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
4515
4516         * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
4517         predicates.
4518
4519 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
4520
4521         * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
4522
4523 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
4524
4525         * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
4526         (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
4527         * config/fr30/fr30.opt: New file.
4528
4529 2005-03-18  Daniel Berlin  <dberlin@dberlin.org>
4530
4531         Fix PR tree-optimization/20542
4532
4533         * tree-flow-inline.h (overlap_subvar): Move to here.
4534         * tree-ssa-operands.c: From here.
4535         * tree-flow.h (overlap_subvar): Declare.
4536         * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
4537         * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
4538         for variables with subvars.
4539
4540 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
4541
4542         PR middle-end/20177
4543         * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
4544         * modulo-sched.c (const_iteration_count): Return on NULL
4545         pre-header.
4546         (print_node_sched_params): Return on NULL dump_file.
4547         (generate_reg_moves): Handle reg-anti dependencies and disregard
4548         closing branch when generating register moves.
4549         (sms_schedule): Mark the SMSed block dirty.
4550         * passes.c (rest_of_handle_sms): Call update_life_info for all
4551         basic-blocks.
4552         * testsuite/gcc.dg/20050321-1.c: New test.
4553
4554 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
4555
4556         * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
4557         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
4558         movqi_internal): Likewise.
4559
4560 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
4561
4562         * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
4563         xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
4564         xtensa_b4const): Delete prototypes.
4565         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
4566         xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
4567         (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
4568         xtensa_extra_constraint): New prototypes.
4569         (add_operand, arith_operand, nonimmed_operand, mem_operand,
4570         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
4571         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
4572         move_operand, const_float_1_operand, fpmem_offset_operand,
4573         branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
4574         * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
4575         (xtensa_b4const_or_zero): ...this.  Change return type to bool and
4576         argument type to HOST_WIDE_INT.
4577         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
4578         xtensa_mask_immediate): Likewise.
4579         (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
4580         Likewise.  Also make these functions static.
4581         (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
4582         (xtensa_const_ok_for_letter_p): New.
4583         (add_operand, arith_operand, nonimmed_operand, mem_operand,
4584         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
4585         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
4586         move_operand, const_float_1_operand, fpmem_offset_operand,
4587         branch_operator, ubranch_operator, boolean_operator): Move to
4588         predicates.md.
4589         (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
4590         (xtensa_mem_offset): Change return type to bool.
4591         (xtensa_extra_constraint): New.
4592         (gen_int_relational): Update type of const_range_p function pointer.
4593         Use xtensa_b4const_or_zero.
4594         * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
4595         xtensa_const_ok_for_letter_p.  Update comments.
4596         (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
4597         (PREDICATE_CODES): Delete.
4598         * config/xtensa/xtensa.md: Include predicates.md.
4599         * config/xtensa/predicates.md: New file.
4600
4601 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
4602
4603         * config/v850/v850-protos.h: Remove the prototypes for
4604         reg_or_int9_operand, reg_or_const_operand,
4605         pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
4606         reg_or_0_operand, reg_or_int5_operand, call_address_operand,
4607         movsi_source_operand, power_of_two_operand,
4608         not_power_of_two_operand, special_symbolref_operand,
4609         pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
4610         register_is_ok_for_epilogue.
4611         * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
4612         reg_or_int9_operand, reg_or_const_operand,
4613         call_address_operand, special_symbolref_operand,
4614         movsi_source_operand, power_of_two_operand,
4615         not_power_of_two_operand, register_is_ok_for_epilogue,
4616         pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
4617         pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
4618         predicates.md.
4619         * config/v850/v850.h (PREDICATE_CODES): Remove.
4620         * config/v850/v850.md: Include predicates.md.
4621         * config/v850/predicates.md: New.
4622
4623 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
4624
4625         * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
4626         (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
4627         (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
4628         (itoolsdir, itoolsdatadir): Move definition above new first use.
4629         (install-itoolsdirs): New rule.
4630         (install-mkheaders): Depend on install-itoolsdirs, not
4631         install-include-dir.
4632
4633 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
4634
4635         * tree-into-ssa.c: Remove obsolete comments.
4636
4637 2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
4638
4639         * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
4640         unrolling if -fpeel-loops is specified, too.
4641         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
4642         Remove superfluous check for flag_unroll_loops.
4643
4644 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
4645
4646         * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
4647         (lrint_optab, llrint_optab): Define corresponding macros.
4648         * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
4649         * genopinit.c (optabs): Implement lrint_optab using lrintsi2
4650         pattern and llrint_optab using llrintdi2 patterns.
4651         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
4652         using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
4653         (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
4654         BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
4655         flag_unsafe_math_optimizations is set.
4656
4657 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
4658
4659         * combine.c (combine_simplify_rtx, simplify_if_then_else,
4660         simplify_logical, if_then_else_cond, known_cond,
4661         simplify_comparison): Adjust calls to reverse_comparison.
4662         Don't use combine_reversed_comparison_code).
4663         (combine_reversed_comparison_code): Remove.
4664         (reversed_comparison): Using reversed_comparison_code, move it...
4665         * jump.c (reversed_comparison): ... here.
4666         * rtl.h (reversed_comparison): Add prototype.
4667
4668 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
4669
4670         * builtins.c (fold_builtin): Take decomposed arguments of
4671         CALL_EXPR.
4672         * fold-const.c (fold_ternary): Update a call to fold_builtin.
4673         * gimplify.c (gimplify_call_expr): Likewise.
4674         * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
4675         * tree.h: Update the prototype of fold_builtin.
4676
4677 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
4678
4679         * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
4680         * rtlhooks.c (gen_lowpart_no_emit_general): New.
4681         * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
4682         (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
4683         * simplify-rtx.c (simplify_binary_operation_1): Use it.
4684
4685 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
4686
4687         * builtins.c (fold_builtin_1): Take decomposed arguments of
4688         CALL_EXPR.
4689         (fold_builtin): Update a call to fold_builtin_1.
4690
4691 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
4692
4693         PR other/20564
4694         * gcov.c (output_lines): Only output function block summary when
4695         outputting branch information.
4696         * doc/gcov.texi: Document format of preamble and additional block
4697         information lines.
4698
4699 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
4700
4701         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
4702         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
4703         the defaults false if BITS_PER_UNIT != 8.
4704         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
4705         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
4706         than BITS_PER_UNIT != 8.
4707         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
4708         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
4709         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
4710         #undefs.
4711         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
4712         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
4713
4714 2005-03-20  Roger Sayle  <roger@eyesopen.com>
4715
4716         PR middle-end/20539
4717         * fold-const.c (fold_binary): Fix type mismatch between
4718         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
4719         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
4720         for non-truth-valued expressions.
4721
4722         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
4723         and FUNCTION_DECL in the main switch.
4724         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
4725         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
4726         we also need to convert their operands to match.
4727         <TRUTH_NOT_EXPR>: Likewise.
4728
4729 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
4730
4731         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
4732         diagnostic without checking whether an lvalue.
4733         * c-common.h (lvalue_p): Remove.
4734         (enum lvalue_use): Update comment.
4735         (lvalue_or_else): Replace by lvalue_error.
4736         * c-typeck.c (lvalue_p): Make static.
4737         (lvalue_or_else): New.  Call lvalue_error.
4738
4739 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
4740
4741         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
4742         (function_arg_advance): Use rs6000_parm_start.
4743         (function_arg, rs6000_arg_partial_bytes): Likewise.
4744
4745 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
4746
4747         * c-common.c (check_case_value): Adjust comment about stripping
4748         NOPs.
4749         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
4750         * c-typeck.c (default_conversion, convert_arguments,
4751         build_modify_expr, convert_for_assignment, store_init_value,
4752         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
4753         manually.  Remove inaccurate comments.
4754
4755 2005-03-20  Roger Sayle  <roger@eyesopen.com>
4756             Joseph S. Myers  <joseph@codesourcery.com>
4757
4758         * varasm.c (do_assemble_alias): Restore comment describing function.
4759         Annotate the target parameter as potentially unused.
4760
4761 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
4762
4763         PR target/18551
4764         * config/avr/avr.c (avr_output_function_prologue): Do not use
4765         current_function_name() in a label, use a local label instead.
4766
4767 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
4768
4769         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
4770         flag_finite_math_only, not flag_unsafe_math_optimizations.
4771
4772 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
4773
4774         * builtins.c (fold_builtin_1): Update a call to
4775         targetm.fold_builtin.
4776         * hooks.c (hook_tree_tree_bool_null): Rename to
4777         hook_tree_tree_tree_bool_null.  Take one more argument of type
4778         tree.
4779         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
4780         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
4781         hook_tree_tree_tree_bool_null.
4782         * target.h (gcc_target): Update the prototype of fold_builtin.
4783         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
4784         arguments of CALL_EXPR.
4785         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
4786         new prototype.
4787
4788 2005-03-20  Jan Hubicka  <jh@suse.cz>
4789
4790         * cgraph.h (cgraph_node): Add prev_clone pointer.
4791         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
4792         (cgraph_clone_node): Produce doubly linked chain.
4793
4794 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
4795
4796         * c-common.c (handle_aligned_attribute, check_function_sentinel,
4797         get_nonnull_operand, handle_sentinel_attribute,
4798         check_function_arguments_recurse): Do not strip NOPS from
4799         INTEGER_CSTs.
4800         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
4801         Likewise.
4802         * c-format.c (get_constant): Likewise.
4803         * c-parser.c (c_parser_postfix_expression): Likewise.
4804         * c-typeck.c (set_init_index): Likewise.
4805         (convert_arguments): Don't check for NOP_EXPR containing integer
4806         constant.
4807
4808 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
4809
4810         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
4811         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
4812         Take decomposed arguments of CALL_EXPR.
4813         (fold_builtin_1): Update calls to the functions mentioned
4814         above.
4815
4816 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
4817
4818         * c-decl.c (check_bitfield_type_and_width): Require bit-field
4819         width to have integer type.
4820         (build_enumerator): Require enumerator value to have integer type.
4821
4822 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
4823
4824         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
4825         to __builtin_inff.
4826
4827 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
4828
4829         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
4830         std=iso9899:199x): Correct descriptions.
4831
4832 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
4833
4834         * config.gcc: Consistently use solaris2.1[0-9]* instead of
4835         solaris2.1[0-9].
4836
4837 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
4838
4839         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
4840         of CALL_EXPR.
4841         (expand_builtin_memcpy, fold_builtin_1): Update calls to
4842         fold_builtin_memcpy.
4843
4844         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
4845         arguments of CALL_EXPR.
4846         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
4847         fold_builtin_found, fold_builtin_1): Update calls to
4848         fold_trunc_transparent_mathfn.
4849
4850 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4851
4852         PR middle-end/20493
4853         * fold-const.c (fold_widened_comparison): Don't optimize casts of
4854         function pointers on targets that require function pointer
4855         canonicalization.
4856         (fold_sign_changed_comparison): Likewise.
4857
4858 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
4859
4860         * combine.c (try_combine): When changing the mode of a hard reg, make
4861         sure that doing so is valid.
4862
4863 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
4864
4865         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
4866         (TARGET_HANDLE_OPTION): Override default.
4867         (avr_handle_option): New function.
4868         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
4869         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
4870         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
4871         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
4872         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
4873         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
4874         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
4875         (TARGET_OPTIONS): Delete.
4876         * config/avr/avr.opt: New file.
4877
4878 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4879
4880         * config/m32r/m32r-protos.h: Remove the prototypes for
4881         call_address_operand, symbolic_operand, seth_add3_operand,
4882         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
4883         reg_or_uint16_operand, reg_or_cmp_int16_operand,
4884         two_insn_const_operand, move_src_operand,
4885         move_double_src_operand, move_dest_operand,
4886         eqne_comparison_operator, signed_comparison_operator,
4887         large_insn_p, conditional_move_operand, carry_compare_operand,
4888         m32r_block_immediate_operand, extend_operand,
4889         reg_or_eq_int16_operand, int8_operand, and
4890         reg_or_zero_operand.
4891         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
4892         seth_add3_operand, int8_operand, cmp_int16_operand,
4893         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
4894         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
4895         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
4896         move_double_src_operand, move_dest_operand,
4897         eqne_comparison_operator, signed_comparison_operator,
4898         extend_operand, small_insn_p, large_insn_p,
4899         conditional_move_operand, carry_compare_operand,
4900         m32r_block_immediate_operand): Move to predicates.md.
4901         (MAX_MOVE_BYTES): Move to m32r.h.
4902         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
4903         * config/m32r/m32r.md: Include predicates.md.
4904         * config/m32r/predicates.md: New.
4905
4906 2005-03-18  James E Wilson  <wilson@specifixinc.com>
4907
4908         PR c++/19769
4909         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
4910         origin.
4911
4912 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4913
4914         * config/mn10300/mn10300-protos.h: Remove the prototypes for
4915         call_address_operand, const_8bit_operand.
4916         * config/mn10300/mn10300.c (call_address_operand,
4917         const_8bit_operand, const_1f_operand): Move to predicates.md.
4918         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
4919         * config/mn10300/mn10300.md: Include predicates.md.
4920         * config/mn10300/predicates.md: New.
4921
4922 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
4923
4924         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
4925         declarations in diagnostics and %E for identifiers, not %s.
4926
4927 2005-03-18  Jan Hubicka  <jh@suse.cz>
4928             Dale Johannesen  <dalej@apple.com>
4929
4930         * basic-block.h (scale_bbs_frequencies_int,
4931         scale_bbs_frequencies_gcov_type): Declare.
4932         * cfg.c (RDIV): New macro.
4933         (update_bb_frequency_for_threading): Fix.
4934         * basic-block.h (scale_bbs_frequencies_int,
4935         scale_bbs_frequencies_gcov_type): New.
4936         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
4937         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
4938         scale_bbs_frequencies_int.
4939         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
4940
4941 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4942
4943         * config/m32r/m32r-protos.h: Remove the prototypes for
4944         call_address_operand, symbolic_operand, seth_add3_operand,
4945         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
4946         reg_or_uint16_operand, reg_or_cmp_int16_operand,
4947         two_insn_const_operand, move_src_operand,
4948         move_double_src_operand, move_dest_operand,
4949         eqne_comparison_operator, signed_comparison_operator,
4950         large_insn_p, conditional_move_operand, carry_compare_operand,
4951         m32r_block_immediate_operand, extend_operand,
4952         reg_or_eq_int16_operand, int8_operand, and
4953         reg_or_zero_operand.
4954         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
4955         seth_add3_operand, int8_operand, cmp_int16_operand,
4956         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
4957         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
4958         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
4959         move_double_src_operand, move_dest_operand,
4960         eqne_comparison_operator, signed_comparison_operator,
4961         extend_operand, small_insn_p, large_insn_p,
4962         conditional_move_operand, carry_compare_operand,
4963         m32r_block_immediate_operand): Move to predicates.md.
4964         (MAX_MOVE_BYTES): Move to m32r.h.
4965         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
4966         * config/m32r/m32r.md: Include predicates.md.
4967         * config/m32r/predicates.md: New.
4968
4969         * config/pa/pa-protos.h: Add prototypes for magic_milli and
4970         shadd_constant_p.
4971         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
4972         symbolic_operand, symbolic_memory_operand,
4973         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
4974         indexed_memory_operand, move_dest_operand, move_src_operand,
4975         prefetch_cc_operand, prefetch_nocc_operand,
4976         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
4977         arith_operand, arith11_operand, pre_cint_operand,
4978         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
4979         ireg_operand, int5_operand, uint5_operand, int11_operand,
4980         uint32_operand, arith5_operand, and_operand, ior_operand,
4981         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
4982         pc_or_label_operand, div_operand, plus_xor_ior_operator,
4983         shadd_operand, movb_comparison_operator,
4984         cmpib_comparison_operator): Move to predicates.md.
4985         (magic_milli, shadd_constant_p): Make it extern.
4986         * config/pa/pa.h (PREDICATE_CODES): Remove.
4987         * config/pa/pa.md: Include predicates.md.
4988         * config/pa/predicates.md: New.
4989
4990         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
4991         predicate.
4992
4993 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4994
4995         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
4996         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
4997         config/alpha/freebsd.h, config/alpha/linux.h,
4998         config/alpha/netbsd.h, config/alpha/osf5.h,
4999         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
5000         config/h8300/h8300-protos.h, config/h8300/h8300.c,
5001         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
5002         doc/cppopts.texi: Update copyright.
5003
5004 2005-03-18  Jan Hubicka  <jh@suse.cz>
5005
5006         PR middle-end/20225
5007         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
5008         too late.
5009         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
5010         called too late.
5011
5012 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
5013
5014         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
5015         VEC_safe_push.
5016
5017 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
5018
5019         * combine.c (gen_binary): Remove.
5020         (known_cond, simplify_shift_const, find_split_point,
5021         combine_simplify_rtx, simplify_if_then_else, simplify_set,
5022         simplify_logical, expand_field_assignment, extract_left_shift,
5023         force_to_mode, if_then_else_cond, apply_distributive_law,
5024         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
5025         simplify_comparison, reversed_comparison): Replace with
5026         simplify_gen_binary, simplify_gen_relational or
5027         distribute_and_simplify_rtx.
5028         (distribute_and_simplify_rtx): New function.
5029
5030 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
5031             Paolo Bonzini  <gcc.gnu.org>
5032
5033         * calls.c (setjmp_call_p, special_function_p): Update comments
5034         at the head of the functions.
5035
5036 2005-03-18  Jan Hubicka  <jh@suse.cz>
5037
5038         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
5039
5040         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
5041         function body should be released; do not proactively release function
5042         bodies in non-unit-at-a-time mode.
5043
5044 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
5045
5046         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
5047         mno-fp-ret-in-387 multilib variants.
5048
5049 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
5050
5051         * common.opt (m): Remove.
5052         * opts.c (handle_option): Pass 'm' options to set_target_switch if
5053         table lookup fails.
5054         (common_handle_option): Remove OPT_m case.
5055
5056 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
5057
5058         * builtins.c (fold_builtin_bitop): Take decomposed arguments
5059         of CALL_EXPR.
5060         (fold_builtin_1): Update a call to fold_builtin_bitop.
5061
5062         * builtins.c (fold_builtin_signbit): Take decomposed arguments
5063         of CALL_EXPR.
5064         (fold_builtin_1): Update a call to fold_builtin_signbit.
5065
5066 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
5067
5068         PR tree-optimization/20474
5069         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
5070         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
5071
5072 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
5073
5074         * config/h8300/h8300-protos.h: Remove prototypes for
5075         general_operand_src, general_operand_dst, single_one_operand,
5076         single_zero_operand, call_insn_operand,
5077         two_insn_adds_subs_operand, small_call_insn_operand,
5078         jump_address_operand, bit_operand, bit_memory_operand,
5079         stack_pointer_operand, const_int_gt_2_operand,
5080         const_int_ge_8_operand, const_int_qi_operand,
5081         const_int_hi_operand, incdec_operand, bit_operator,
5082         nshift_operator, eqne_operator, gtle_operator,
5083         gtuleu_operator, iorxor_operator.
5084         Add prototypes for h8sx_shift_type h8sx_classify_shift and
5085         h8300_ldm_stm_parallel.
5086         * config/h8300/h8300.c (h8sx_shift_type,): Move to
5087         h8300-protos.h.
5088         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
5089         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
5090         (h8300_ldm_stm_parallel): Make it extern.
5091         (h8300_ldm_parallel, h8300_stm_parallel,
5092         h8300_return_parallel, general_operand_src,
5093         general_operand_dst, h8300_dst_operand, h8300_src_operand,
5094         nibble_operand, reg_or_nibble_operand, single_one_operand,
5095         single_zero_operand, call_insn_operand,
5096         two_insn_adds_subs_operand, small_call_insn_operand,
5097         jump_address_operand, bit_operand, bit_memory_operand,
5098         stack_pointer_operand, const_int_gt_2_operand,
5099         const_int_ge_8_operand, const_int_qi_operand,
5100         const_int_hi_operand, incdec_operand, eqne_operator,
5101         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
5102         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
5103         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
5104         nshift_operator): Move to predicates.md.
5105         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
5106         * config/h8300/h8300.md: Include predicates.md.
5107         * config/h8300/predicates.md: New.
5108
5109 2005-03-17  Richard Henderson  <rth@redhat.com>
5110
5111         * config.gcc (ia64*-*-hpux*): Add extra_options.
5112         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
5113         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
5114         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
5115         (ia64_tls_size_string, ia64_tune_string): Remove.
5116         (ia64_tune): Init to PROCESSOR_ITANIUM2.
5117         (TARGET_DEFAULT_TARGET_FLAGS): New.
5118         (TARGET_HANDLE_OPTION): New.
5119         (ia64_override_options): Move options parsing ...
5120         (ia64_handle_option): ... here.  New.
5121         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
5122         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
5123         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
5124         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
5125         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
5126         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
5127         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
5128         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
5129         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
5130         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
5131         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
5132         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
5133         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
5134         TARGET_EARLY_STOP_BITS): Remove.
5135         (TARGET_ILP32): Default false.
5136         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
5137         (enum ia64_inline_type): New.
5138         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
5139         * config/ia64/ia64.md: Update for new definitions of
5140         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
5141         * config/ia64/ia64.opt: New file.
5142         * config/ia64/ilp32.opt: New file.
5143
5144 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
5145
5146         PR target/18380
5147         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
5148
5149 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
5150
5151         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
5152         instead of MASK_H8300S.
5153         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
5154         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
5155         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
5156         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
5157         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
5158         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
5159         TARGET_SWITCHES): Remove.
5160         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
5161         TARGET_H8300SX.
5162         * config/h8300/h8300.opt: New.
5163
5164         * config/alpha/alpha.opt, config/arc/arc.opt,
5165         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
5166         notices.
5167
5168 2005-03-17  Ian Lance Taylor  <ian@airs.com>
5169
5170         * gmon.c: Remove.
5171
5172 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
5173
5174         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
5175         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
5176         (TARGET_HANDLE_OPTION): Override default.
5177         (arc_handle_option): New function.
5178         (arc_init): Remove code to set arch_cpu_string.
5179         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
5180         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
5181         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
5182         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
5183         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
5184         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
5185         (arc_rodata_string, TARGET_OPTIONS): Delete.
5186         * config/arc/arc.opt: New file.
5187
5188 2005-03-17  Richard Henderson  <rth@redhat.com>
5189
5190         * doc/extend.texi (Weak Pragmas): New section.
5191         (attribute alias): Clarify that target must be in the same
5192         translation unit.
5193
5194 2005-03-17  Richard Henderson  <rth@redhat.com>
5195
5196         * config/alpha/alpha.opt: New file.
5197         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
5198         of alpha_cpu.
5199         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
5200         alpha_fprm_string, alpha_fptm_string): Make static.
5201         (alpha_tls_size_string): Remove.
5202         (alpha_handle_option): New.
5203         (override_options): Update for alpha_cpu/alpha_tune split.
5204         (alpha_file_start): Likewise.
5205         (TARGET_DEFAULT_TARGET_FLAGS): New.
5206         (TARGET_HANDLE_OPTION): New.
5207         * config/alpha/alpha.h (alpha_tune): Declare.
5208         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
5209         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
5210         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
5211         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
5212         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
5213         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
5214         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
5215         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
5216         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
5217         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
5218         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
5219         (TARGET_DEFAULT): Remove MASK_FP.
5220         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
5221         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
5222         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
5223         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
5224         alpha_tls_size_string): Remove.
5225         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
5226         (attribute tune): Rename from attribute cpu.
5227         * config/alpha/ev4.md: Update to match.
5228         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
5229         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
5230         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
5231         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
5232         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
5233         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
5234
5235 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
5236
5237         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
5238         and return without creating new state if before_nops_num is nonzero.
5239         * config/ia64/ia64.md (first_insn): New attribute.
5240         (alloc): Set it to yes.
5241
5242 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
5243
5244         * tree-vectorizer.c (new_vec_stmt_info): Initialize
5245         STMT_VINFO_SUBVARS to NULL.
5246         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
5247
5248 2005-03-16 Dale Johannesen  <dalej@apple.com>
5249
5250         * rtlanal.c (find_first_parameter_load):  Rewrite to
5251         return actual first param load or the call if none,
5252         instead of first in block, when not all loads exist.
5253
5254 2005-03-16  Roger Sayle  <roger@eyesopen.com>
5255
5256         * optabs.c (expand_copysign_absneg): Make static.
5257         * optabs.h (expand_copysign_absneg): Delete prototype.
5258         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
5259
5260 2005-03-16  Richard Henderson  <rth@redhat.com>
5261
5262         PR middle-end/15700
5263         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
5264         (alias_pairs): Rename from output_defs.
5265         (find_decl_and_mark_needed): Split out from assemble_alias.
5266         (do_assemble_alias): New.
5267         (assemble_output_def): Remove.
5268         (finish_aliases_1, finish_aliases_2): New.
5269         (process_pending_assemble_output_defs): Remove.
5270         (assemble_alias): Defer aliases for which we don't yet have a
5271         non-external decl for the target symbol.
5272         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
5273         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
5274         * toplev.c (compile_file): Use finish_aliases_2 instead of
5275         process_pending_assemble_output_defs.
5276         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
5277         (process_pending_assemble_output_defs): Remove.
5278
5279 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
5280
5281         Fix PR tree-optimization/20489
5282
5283         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
5284         for empty structures.
5285
5286 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
5287
5288         Fix PR tree-optimization/20490
5289
5290         * tree-ssa-pre.c (create_expression_by_pieces): Use
5291         force_gimple_operand on result of fold.
5292
5293 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
5294
5295         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
5296         of closing parenthesis.
5297
5298 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
5299
5300         * builtins.c (expand_movstr): Update a call to
5301         fold_builtin_strcpy.
5302         (expand_builtin_strncpy): Update a call to
5303         fold_builtin_strncpy.
5304         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
5305         arguments of CALL_EXPR.
5306         (fold_builtin_1): Update calls to fold_builtin_strcpy and
5307         fold_builtin_strncpy.
5308         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
5309         * tree.h: Update the prototypes of fold_builtin_strcpy and
5310         fold_builtin_strncpy.
5311
5312 2005-03-16  Steven Bosscher  <stevenb@suse.de>
5313             Dorit Naishlos  <dorit@il.ibm.com>
5314
5315         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
5316         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
5317         error.
5318
5319 2005-03-16  Steven Bosscher  <stevenb@suse.de>
5320
5321         * tree-inline.c (walk_type_fields, walk_tree,
5322         walk_tree_without_duplicates): Move from here...
5323         * tree.c: ...to here.
5324
5325 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
5326
5327         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
5328         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
5329         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
5330         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
5331         (version): Define using $(BASEVER_c).
5332         (Makefile, config.status, build/gcov-iov.o): No longer depends on
5333         version.c.
5334         (version.o): Depend on version files; add custom generation command.
5335         (prefix.o): Define BASEVER on command line.
5336         (s-iov): Depend on version files; adjust command.
5337         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
5338         Add gcc-vers.texi.
5339         (gcc-vers.texi): New rule.
5340         (doc/%.info, doc/%.dvi): Add -I . to command line.
5341         (doc/gccinstall.dvi): Likewise.
5342         (PACKAGE): Delete.  All uses replaced with "gcc".
5343         * aclocal.m4: Do not include gcc-version.m4.
5344         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
5345         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
5346         Set is_release based on contents of DEV-PHASE.
5347         Set gcc_version based on contents of BASE-VER.
5348         Define WIN32_REGISTRY_KEY only if the user overrode the default.
5349         * config.in, configure: Regenerate.
5350         * gccbug.in: Determine version of GCC in use at runtime.
5351         * gcov-iov.c: Get version number and development phase from
5352         command line, not by including version.c.
5353         * intl.c: Replace all uses of PACKAGE with "gcc".
5354         * libada-mk.in: Delete unused "gcc_version" variable.
5355         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
5356         * version.c: (VERSUFFIX): New hook for redistributors; adjust
5357         commentary to match.
5358         (version_string): Put together from pieces.
5359         * config/alpha/x-vms: Do not use $(gcc_version).
5360         * config/i386/t-nwld: Likewise.
5361         * doc/include/gcc-common.texi: Include gcc-vers.texi for
5362         version-GCC and DEVELOPMENT.
5363
5364 2005-03-15  Roger Sayle  <roger@eyesopen.com>
5365
5366         PR tree-optimization/17454
5367         * tree.c (tree_size): Add case for TREE_BINFO.
5368         * fold-const.c (fold_checksum_tree): Only clear the overloaded
5369         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
5370
5371 2005-03-15  Roger Sayle  <roger@eyesopen.com>
5372
5373         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
5374         op1 whilst expanding the signed widenening multiply variant.
5375
5376 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
5377
5378         * toplev.c (display_target_options): Avoid unused variable warning if
5379         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
5380         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
5381         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
5382         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
5383         (mips_isa_info): New variable.
5384         (mips_parse_cpu): Remove the first argument and leave the caller
5385         to report errors.
5386         (TARGET_HANDLE_OPTION): Override default.
5387         (mips_handle_option): New function.  Move option validation code from...
5388         (override_options): ...here.  Update calls to mips_parse_cpu.
5389         * config/mips/mips.h (mips_arch_string, mips_tune_string)
5390         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
5391         (SUBTARGET_TARGET_OPTIONS): Delete.
5392         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
5393         (mno-flush-func, mtune=): New options.
5394
5395 2005-03-15  Roger Sayle  <roger@eyesopen.com>
5396             Richard Henderson  <rth@redhat.com>
5397
5398         * real.c (c4x_single_format, c4x_extended_format): Provide values
5399         for signbit_ro for c4x's single and extended floating point formats.
5400         * optabs.c (expand_copysign): Use the floating point format's
5401         signbit_ro for expanding via expand_copysign_absneg, and it's
5402         signbit_rw field for expanding via expand_copysign_bit.
5403
5404 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
5405
5406         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
5407         known_alignment_for_access_p.
5408         (known_alignment_for_access_p): New.
5409         (do_peeling_for_alignment): Field made int instead of bool and renamed
5410         to peeling_for_alignment.
5411         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
5412         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
5413         functionality used to be in vect_analyze_operations.
5414         (vect_analyze_operations): Code to determine vectorization factor was
5415         moved to vect_determine_vectorization_factor.
5416         (vect_enhance_data_refs_alignment): Update to correct alignment when it
5417         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
5418         factor.
5419         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
5420         be part of vect_analyze_operations).
5421         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
5422         creating the guard condition, as the number of iterations may be
5423         constant.
5424         (slpeel_tree_peel_loop_to_edge): Use new name of
5425         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
5426         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
5427         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
5428         (vect_do_peeling_for_alignment): Use fold.
5429         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
5430
5431         (vect_update_inits_of_dr): Renamed to
5432         vect_update_init_of_dr.
5433         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
5434         (vectorizable_store): Fix assertion to use == instead of =.
5435
5436 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
5437
5438         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
5439         call_used_regs for wCG registers.
5440
5441 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
5442
5443         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
5444         for non-offsettable memory references to cope with outstanding reload
5445         replacements, take 2.
5446
5447 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
5448
5449         PR target/18668
5450         * config/i386/i386.h (x86_fisttp): New.
5451         (TARGET_FISTTP): New macro.
5452         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
5453         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
5454         instruction when fisttp flag is set.
5455         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
5456
5457         * config/i386/i386.md (type attribute): Add fisttp.
5458         (unit attribute): Set to i387 for fisttp type.
5459         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
5460         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
5461         TARGET_FISTTP.
5462         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
5463         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
5464         macros.
5465         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
5466         patterns for TARGET_FISTTP.  Enable patterns for
5467         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
5468         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
5469         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
5470         implement fisttp x87 insn.
5471         (fix_trunc*_i387_fisttp splitters): New patterns.
5472         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
5473         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
5474         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
5475         clobber.
5476         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
5477         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
5478         Implement using mode macros. Disable patterns for TARGET_FISTTP.
5479         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
5480         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
5481         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
5482         Disable patterns for TARGET_FISTTP.
5483         (fix_trunc*_i387 splitters): Implement usign mode macros.
5484         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
5485         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
5486         (fix_trunx*_sse peephole2s): Implement using mode macros.
5487
5488 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
5489
5490         PR rtl-optimization/20291
5491         * combine.c (try_combine): If splitting fails, re-try with
5492         original combined pattern, i.e. before clobber stripping.
5493
5494 2005-03-14  Eric Christopher  <echristo@redhat.com>
5495
5496         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
5497         STACK_GROWS_DOWNWARD.
5498
5499 2005-03-14  Roger Sayle  <roger@eyesopen.com>
5500
5501         * real.h (struct real_format): Split the signbit field into two
5502         two fields, signbit_ro and signbit_rw.
5503         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
5504         mips_double_format, ieee_extended_motorola_format,
5505         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
5506         ieee_extended_intel_128_format, ibm_extended_format,
5507         mips_extended_format, ieee_quad_format, mips_quad_format,
5508         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
5509         i370_double_format, c4x_single_format, c4x_extended_format,
5510         real_internal_format): Update initializers for new field.
5511         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
5512         real_format structure.
5513         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
5514         field of the real_format structure.
5515
5516 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
5517
5518         Fix PR tree-optimization/20458
5519
5520         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
5521         DECL_EXTERNAL on STRUCT_FIELD tags.
5522         (clear_call_clobbered): Ditto.
5523         * tree-ssa-operands.c (note_addressable): Make sure the original
5524         variable doesn't slip into the addressable list if we have
5525         subvars.
5526         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
5527         tags too.
5528
5529 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
5530
5531         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
5532         (-fwide-exec-charset): Likewise.
5533         (-finput-charset): Likewise.
5534         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
5535         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
5536         * c.opt (Wnormalized): New.
5537
5538 2005-03-14  Devang Patel  <dpatel@apple.com>
5539
5540         * doc/invoke.texi: Add reference to Visibility document.
5541
5542 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
5543
5544         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
5545         MASK_SPLIT_ADDRESSES.
5546         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
5547         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
5548         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
5549         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
5550         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
5551         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
5552         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
5553         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
5554         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
5555         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
5556         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
5557         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
5558         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
5559         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
5560         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
5561         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
5562         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
5563         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
5564         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
5565         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
5566         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
5567         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
5568         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
5569         (TARGET_EXPLICIT_RELOCS): Delete.
5570         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
5571         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
5572         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
5573         (override_options): Set MASK_LONG64 if -mint64 is given and no
5574         -mlongXX option is.  Complain about -mint64 -mlong32.
5575         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
5576         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
5577         * config/mips/mips.opt: New file.
5578
5579 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
5580
5581         * config.gcc (extra_options): New variable for listing option files.
5582         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
5583         * configure.ac (extra_opt_files): New AC_SUBST variable.
5584         (tm_file_list, tm_include_list): Include options.h first.
5585         * configure: Regenerate.
5586         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
5587         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
5588         (s-options-h): New rule.
5589         (options.h): Depend on it.
5590         (TEXI_GCCINT_FILES): Add options.texi.
5591         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
5592         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
5593         * target.h (gcc_target): Add default_target_flags and handle_option.
5594         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
5595         (TARGET_HANDLE_OPTION): New macros.
5596         (TARGET_INITIALIZER): Include them.
5597         * opt-functions.awk (opt_args, nth_arg): New functions.
5598         (switch_flags): Handle the "Target" flag.
5599         (var_args): Delete.
5600         (var_name): Use opt_args and nth_arg.
5601         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
5602         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
5603         macros for the "Mask" and "InverseMask" options.
5604         * opts.h (cl_var_cond): New enum.
5605         (cl_option): Replace the "has_set_value" and "set_value" fields with
5606         "var_cond" and "var_value".
5607         (CL_TARGET): New macro.
5608         (option_enabled, print_filtered_help): Declare.
5609         (decode_options): Move definition.
5610         * opts.c (handle_option): Search for the original option before
5611         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
5612         var_cond and var_value fields.  Use targetm.handle_option to handle
5613         target options.
5614         (decode_options): Set target_flags to targetm.default_target_flags.
5615         (print_filtered_help): Make global.  Handle CL_TARGET.
5616         (option_enabled): New function.
5617         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
5618         (display_target_options, set_target_switch, print_switch_values)
5619         (default_pch_valid_p): Guard uses of target_switches with
5620         #ifdef TARGET_SWITCHES.  Also...
5621         (display_target_options): Display the CL_TARGET entries in cl_options.
5622         (set_target_option): Don't complain about the "" option when
5623         TARGET_SWITCHES is undefined.
5624         (print_switch_values): Use option_enabled.
5625         (default_pch_valid_p): Check cl_options[] when looking for something
5626         that has changed the value of target_flags.
5627         * c.opt: Remove documentation from top of file.
5628         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
5629         * doc/sourecebuild.texi: Refer to the new options documentation
5630         instead of c.opt.  Document machine-specific .opt files.
5631         * doc/tm.texi (target_flags): Say that this variable is declared
5632         by options.h.
5633         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
5634         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
5635         an alternative.
5636         * doc/options.texi: New file.
5637
5638 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
5639
5640         PR middle-end/18628
5641         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
5642         register.
5643
5644 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
5645
5646         PR c++/20280
5647         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
5648         temporary variable of pointer type if an lvalues is required.
5649         (gimplify_modify_expr_rhs): Request an rvalue from it.
5650         (gimplify_expr): Pass fallback on.
5651
5652 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
5653
5654         * cfgbuild.c: Update comments.
5655
5656 2005-03-14  Roger Sayle  <roger@eyesopen.com>
5657
5658         PR rtl-optimization/17236
5659         * optabs.c (expand_doubleword_mult): New helper function split out
5660         from expand_binop.  Permute the order in which instructions are
5661         emitted to minimize the number of simultaneously live registers.
5662         (expand_binop): Call expand_doubleword_mult to synthesize a double
5663         word multiplication.
5664
5665 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
5666
5667         * basic-block.h: Update the prototypes of cached_make_edge and
5668         rtl_make_eh_edge.
5669         * cfg.c (cached_make_edge): Take edge_cache representing one
5670         row of the adjacency matrix of edges.
5671         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
5672         (make_edges): Initialize edge_cache to represent one row of
5673         the adjacency matrix of edges.
5674
5675 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
5676
5677         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
5678         New functions.
5679         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
5680         Remove unused removed_phis variable.
5681         (conditional_replacement): Use build1/build2.
5682         (abs_replacement): Use last_and_only_stmt and build1/build2.
5683
5684 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
5685
5686         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
5687         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
5688         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
5689         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
5690         * c-common.c (handle_novops_attribute): New function.
5691         (c_common_attribute_table): Add "no vops" entry.
5692         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
5693         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
5694         * tree-ssa-operands.c (get_call_expr_operands): Do not
5695         create virtual operands for calls with ECF_NOVOPS flag.
5696         * tree.h (DECL_IS_NOVOPS): New macro.
5697         (struct tree_decl): Add novops_flag.
5698         (ECF_NOVOPS): New constant.
5699
5700 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
5701
5702         PR target/17688
5703         * config/i386/i386.c (x86_use_himode_fiop): New.
5704         (x86_use_simode_fiop): Rename from x86_use_fiop.
5705         * config/i386/i386.h (x86_use_himode_fiop): Declare.
5706         (TARGET_USE_HIMODE_FIOP): New.
5707         (x86_use_simode_fiop): Rename from x86_use_fiop.
5708         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
5709
5710         * config/i386/i386.md (X87MODEI12): New mode macro define.
5711         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
5712         to implement x87 FP compare with HImode input operands.
5713         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
5714         Use X87MODEI12 mode macro to handle HImode input operands.
5715         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
5716         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
5717         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
5718         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
5719         macro to implement x87 operators with HImode input operands.
5720         (fop splitters): Use X87MODEI12 mode macro to handle HImode
5721         input operands.
5722
5723 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
5724
5725         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
5726         integer_zerop.
5727         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
5728         constants invariant.
5729
5730 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
5731
5732         * basic-block.h (BB_VISITED): Removed.
5733         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
5734
5735 2005-03-14  Falk Hueffner  <falk@debian.org>
5736
5737         PR bootstrap/20424
5738         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
5739
5740 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
5741
5742         * ggc-zone.c: Fix comment typos.
5743
5744         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
5745         stringpool.c, config/mips/mips-protos.h: Update copyright.
5746
5747 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
5748
5749         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
5750         throughout with its typedef, "rtx".
5751         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
5752         (rs6000_tls_symbol_ref_1): Remove inline keyword.
5753         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
5754         regs in comment to match code.
5755
5756 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
5757
5758         * except.c (check_handled): Make it static.
5759         * except.h: Remove the corresponding prototype.
5760
5761         * function.c (get_func_frame_size): Make it static.
5762         * function.h: Remove the corresponding type.
5763
5764         * regclass.c (reg_class_superclasses, reg_class_subclasses):
5765         Make them static.
5766         * hard-reg-set.h: Remove the corresponding declarations.
5767
5768         * tree-cfg.c (verify_stmts): Check that
5769         bb_for_stmt (stmt) == bb for every PHI node and statement.
5770
5771 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
5772
5773         * config.gcc: Remove excess indentation.
5774         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
5775
5776 2005-03-13  Roger Sayle  <roger@eyesopen.com>
5777
5778         PR middle-end/19331
5779         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
5780         * fold-const.c (fold_sign_changed_comparison): Likewise.
5781         (fold_binary): Optimize comparisons against widened operands if
5782         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
5783
5784 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
5785
5786         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
5787         (sparc_override_options): Initialize it.
5788         (sparc_struct_value_rtx): Set it on the MEM to be returned.
5789
5790 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
5791
5792         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
5793         (reg_or_none500mem_operand): New predicate.
5794         (zero_reg_mem_operand): New predicate.
5795         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
5796         to reg_or_none500mem_operand.
5797         (extendsfdf2_fpr): Add MEM alternative.
5798         (extenddftf2_internal): Change operand2 predicate to
5799         zero_reg_mem_operand.
5800
5801 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
5802
5803         * ggc-zone.c: Rewritten.
5804
5805         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
5806         if there are none.
5807         * configure.ac: Define GGC_ZONE for --with-gc=zone.
5808         * config.in: Regenerated.
5809         * configure: Regenerated.
5810         * gengtype.c (write_types_process_field, write_func_for_structure):
5811         Pass new argument to gt_pch_note_object.
5812         * ggc-common.c (struct ptr_data): Add TYPE.
5813         (gt_pch_note_object): Take TYPE argument and save it.
5814         (call_count): Update call to ggc_pch_count_object.
5815         (call_alloc): Update call to ggc_pch_alloc_object.
5816         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
5817         file.
5818         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
5819         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
5820         (ggc_alloc_zone_stat): Delete.
5821         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
5822         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
5823         (ggc_pch_alloc_object): Update prototypes.
5824         (garbage_zone): Delete.
5825         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
5826         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
5827         pointers.
5828         (tree_id_zone): New variable.
5829         (ggc_alloc_cleared_zone): Remove unused.
5830         (ggc_alloc_zone): Define.
5831         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
5832         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
5833         ggc_alloc_zone_stat.
5834         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
5835         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
5836         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
5837         (make_node_stat): Likewise.  Use tree_id_zone.
5838
5839 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
5840             Joseph S. Myers  <joseph@codesourcery.com>
5841
5842         * configure.ac: Check for MIPS TLS.
5843         * configure: Regenerated.
5844         * config/mips/mips-protos.h (enum mips_symbol_type): Add
5845         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
5846         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
5847         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
5848         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
5849         (mips_classify_symbol, mips_symbolic_constant_p)
5850         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
5851         (mips_tls_operand_p, mips_call_tls_get_addr)
5852         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
5853         (mips_tls_symbol_ref_1): New functions.
5854         (mips_legitimize_address, mips_legitimize_const_move): Call
5855         mips_legitimize_tls_address.
5856         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
5857         for MIPS16.
5858         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
5859         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
5860         (mips_char_to_class): Document V1_REG.
5861         (HAVE_AS_TLS): Provide default.
5862         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
5863         constants.
5864         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
5865         !TARGET_ABICALLS.
5866         (tls_get_tp_<mode>): New instruction.
5867
5868 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
5869
5870         * configure.ac: Update checks for target tools.
5871         * configure: Regenerated.
5872
5873 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
5874
5875         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
5876
5877 2005-03-13  Roger Sayle  <roger@eyesopen.com>
5878
5879         * expmed.c (expand_mult): Use synthetic multiplication sequences for
5880         more classes of DImode multiplication by constant.  Allow both
5881         multiplication by small negative constants (by performing a
5882         multiplication by a positive constant and negating the result) and
5883         multiplications by large powers of two, by using a left shift.
5884
5885 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
5886
5887         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
5888         of basic blocks into work_stack.
5889
5890         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
5891         config/mips/vr.h: Update copyright.
5892
5893         * c-decl.c (c_init_decl_processing): Remove useless calls to
5894         build_function_type.
5895
5896         * builtins.c (fold_trunc_transparent_mathfn,
5897         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
5898         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
5899         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
5900         fold_builtin_strcpy, fold_builtin_strncpy,
5901         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
5902         TREE_TYPE (exp).
5903
5904         * builtins.c (expand_builtin_mathfn_3): Remove local variable
5905         before_call.
5906
5907         * lambda-code.c (lambda_compute_auxillary_space): Remove local
5908         variable determinant.
5909
5910         * tree-cfg.c (group_case_labels): Remove local variable type.
5911
5912         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
5913         variable ann.
5914
5915         * tree-ssa-phiopt.c (value_replacement): Remove local variable
5916         result.
5917
5918 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
5919
5920         PR target/18251
5921         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
5922         (*movmemqi_insn): Delete.
5923         (*movmemhi): Delete.
5924
5925 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
5926
5927         * builtins.c (fold_builtin_classify): Take decomposed
5928         arguments of CALL_EXPR.
5929         (fold_builtin_1): Update a call to fold_builtin_classify.
5930
5931 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
5932
5933         PR c/20402
5934         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
5935         through into call to parser_xref_tag after parse error.
5936         (c_parser_struct_declaration): Consistently return NULL_TREE on
5937         error.
5938
5939 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
5940
5941         * tree-flow-inline.h (ref_contains_array_ref): New function.
5942         (lookup_subvars_for_var): Ditto.
5943         (get_subvars_for_var): Ditto.
5944         (var_can_have_subvars): Ditto.
5945
5946         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
5947         (struct subvar): New type.
5948
5949         * tree-dfa.c (okay_component_ref_for_subvars): New function.
5950
5951         * tree-optimize.c (init_tree_optimization_passes): Call
5952         pass_create_structure_vars.
5953
5954         * tree-ssa-alias.c: Include vec.h.
5955         (init_alias_info): Don't auto-clear call clobbered on struct-field
5956         tags.
5957         (compute_flow_insensitive_aliasing): Handle subvars.
5958         (group_aliases): Handle STRUCT_FIELD aliases.
5959         (setup_pointers_and_addressables): Ditto.
5960         Don't mark variables non-addressable if they still have
5961         addressable subvars.
5962         Also mark subvars addressable when the real variable is marked
5963         addressable.
5964         (add_pointed_to_var): Try to prune the pointed-to set by only
5965         pointing to subvars when possible.
5966         Otherwise, make sure we set addresses_needed and pt_vars to
5967         properly include subvars.
5968         (bitpos_of_field): New function.
5969         (push_fields_onto_fieldstack): Ditto.
5970         (get_or_create_used_part_for): Ditto.
5971         (create_overlap_variables_for): Ditto.
5972         (find_used_portions): Ditto.
5973         (create_structure_vars): Ditto.
5974         (pass_create_structure_vars): New structure.
5975
5976         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
5977         (get_expr_operands): Handle subvars.  Also try to turn
5978         COMPONENT_REF accesses into must-defs now that we can accurately
5979         portray it.
5980         (note_addressable): Try to only mark as addressable those subvars
5981         we know a COMPONENT_REF touches.
5982         (overlap_subvar): New function.
5983
5984         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
5985         Handle subvar storing.
5986         (vect_address_analysis): Update caller of vect_object_analysis.
5987
5988         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
5989
5990         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
5991         (STMT_VINFO_SUBVARS): New macro.
5992
5993         * common.opts: add flag_tree_salias.
5994
5995         * opts.c (decode_options): flag_tree_salias defaults to on.
5996
5997         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
5998
5999         * doc/tree-ssa.texi: Document structural alias analysis.
6000
6001 2005-03-12  Steven Bosscher  <stevenb@suse.de>
6002
6003         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
6004         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
6005         * tree-ssa-operands.c (get_expr_operands): Likewise.
6006         (get_expr_operands): Likewise for ERROR_MARK.
6007
6008 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
6009
6010         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
6011         var.
6012
6013         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
6014         removed_phis.
6015
6016         * tree-ssa-pre.c (compute_avail): Remove local variable val.
6017         (mark_operand_necessary): Remove local variable ver.
6018
6019         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
6020         variable prefix_len.
6021
6022         * value-prof.c (mod_subtract_transform): Remove local variable
6023         value.
6024
6025         * builtins.c (fold_builtin_exponent): Take decomposed
6026         arguments of CALL_EXPR.
6027         (fold_builtin_1): Update a call to fold_builtin_exponent.
6028
6029         * builtins.c (fold_builtin_logarithm): Take decomposed
6030         arguments of CALL_EXPR.
6031         (fold_builtin_1): Update a call to fold_builtin_logarithm.
6032
6033         * c-decl.c (c_init_decl_processing): Remove local variables
6034         ptr_ftype_void and ptr_ftype_ptr.
6035
6036         * gimplify.c (gimplify_expr): Remove local variables r0 and
6037         r1.
6038
6039         * reg-stack.c (move_for_stack_reg): Remove local variable
6040         push_insn.
6041         (compare_for_stack_reg): Remove local variable flags_user.
6042         (convert_regs_1): Remove local variable deleted.
6043
6044         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
6045         variable new_cond.
6046         (combine_blocks): Remove local variables exits and new_e.
6047
6048         * tree-inline.c (expand_call_inline): Remove local variable
6049         decl.
6050
6051         * tree-ssa-live.c (create_ssa_var_map,
6052         calculate_live_on_entry): Remove local variable snn.
6053
6054 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
6055
6056         * c-lex.c (c_lex_with_flags): Add parameter to call to
6057         cpp_spell_token.
6058
6059 2005-03-11  Per Bothner  <per@bothner.com>
6060
6061         * c-tree.h (struct c_declarator): New id_loc field.
6062         * c-pragma.h (c_lex_with_flags): Take position reference.
6063         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
6064         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
6065         (c_lex): Pass dummy location to c_lex_with_flags.
6066         * c-parser.c (c_lex_one_token): Set c_token's location using
6067         c_lex_with_flags, instead of input_location, which might be "ahead".
6068         (c_parser_direct_declarator): Set declarator's id_loc from
6069         c_token's id_loc.
6070         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
6071         declarator's id_loc, rather than probably-imprecise input_location.
6072         (build_id_declarator): Initialize c_declarator's id_loc field.
6073
6074 2005-03-11  Roger Sayle  <roger@eyesopen.com>
6075
6076         PR middle-end/20419
6077         * builtins.c (expand_builtin_signbit): Force the signbit's word
6078         into an integer register to avoid SUBREGs of floating point modes.
6079
6080 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
6081
6082         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
6083         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
6084         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
6085         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
6086
6087 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
6088
6089         PR rtl-optimization/20306
6090         * expr.c (emit_move_complex): Set try_int false if mode is
6091         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
6092         emit_block_move if try_int is true.
6093
6094 2005-03-11  Richard Henderson  <rth@redhat.com>
6095
6096         PR target/20415
6097         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
6098         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
6099         to match.
6100
6101 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
6102
6103         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
6104         (TARGET_FIX_VR4130): New macro.
6105         (TARGET_OPTIONS): Add -mfix-vr4130.
6106         (ISA_HAS_MACCHI): New macro.
6107         (ASM_SPEC): Add -mfix-vr4130.
6108         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
6109         (override_options): Handle mips_fix_vr4130_string.
6110         (mips_avoid_hazards): Clear all_noreorder_p
6111         if we're working around VR4130 errata and the macc alternatives
6112         are not available.
6113         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
6114         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
6115         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
6116         (MULTILIB_DEFAULTS): Remove leading "march=".
6117         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
6118         if no architecture option is given.
6119         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
6120         VR4130 multilibs.
6121         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
6122         * doc/invoke.texi: Document -mfix-vr4130.
6123
6124 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
6125
6126         * config/mips/mips.c (override_options): Only warn about -mint64
6127         deprecation if TARGET_INT64.
6128
6129 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6130
6131         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
6132         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
6133         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
6134         are non-specific regarding the nonnull parameter positions.
6135         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
6136         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
6137         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
6138         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
6139
6140         * builtins.def: Use the non-specific "nonnull" attibute lists.
6141
6142 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
6143
6144         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
6145         single_pred_edge, single_succ, single_pred): Improve comments.
6146
6147 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
6148
6149         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
6150         single_pred_edge, single_succ, single_pred): New inline functions.
6151         * bb-reorder.c (rotate_loop, find_traces_1_round,
6152         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
6153         duplicate_computed_gotos): Use the single_succ/pred functions.
6154         * cfganal.c (forwarder_block_p): Ditto.
6155         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
6156         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
6157         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
6158         merge_seq_blocks): Ditto.
6159         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
6160         * cfglayout.c (fixup_reorder_chain): Ditto.
6161         * cfgloop.c (mark_single_exit_loops, update_latch_info,
6162         canonicalize_loop_headers, verify_loop_structure): Ditto.
6163         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
6164         mfb_update_loops, create_preheader, force_single_succ_latches,
6165         create_loop_notes): Ditto.
6166         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
6167         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
6168         commit_one_edge_insertion, purge_dead_edges,
6169         cfg_layout_can_merge_blocks_p): Ditto.
6170         * except.c (sjlj_emit_function_enter): Ditto.
6171         * flow.c (init_propagate_block_info): Ditto.
6172         * function.c (thread_prologue_and_epilogue_insns): Ditto.
6173         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
6174         insert_insn_end_bb): Ditto.
6175         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
6176         find_if_case_2): Ditto.
6177         * lambda-code.c (perfect_nestify): Ditto.
6178         * lcm.c (optimize_mode_switching): Ditto.
6179         * loop-doloop.c (doloop_modify): Ditto.
6180         * loop-init.c (loop_optimizer_init): Ditto.
6181         * loop-iv.c (simplify_using_initial_values): Ditto.
6182         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
6183         * loop-unswitch.c (unswitch_loop): Ditto.
6184         * modulo-sched.c (generate_prolog_epilog): Ditto.
6185         * predict.c (combine_predictions_for_insn, estimate_probability,
6186         tree_estimate_probability, last_basic_block_p,
6187         estimate_bb_frequencies): Ditto.
6188         * profile.c (branch_prob): Ditto.
6189         * regrename.c (copyprop_hardreg_forward): Ditto.
6190         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
6191         * tracer.c (layout_superblocks): Ditto.
6192         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
6193         cfg_remove_useless_stmts_bb, cleanup_control_flow,
6194         cleanup_control_expr_graph, disband_implicit_edges,
6195         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
6196         tree_verify_flow_info, tree_make_forwarder_block,
6197         tree_forwarder_block_p, remove_forwarder_block,
6198         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
6199         * tree-if-conv.c (tree_if_conversion): Ditto.
6200         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
6201         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
6202         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
6203         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
6204         copy_loop_headers): Ditto.
6205         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
6206         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
6207         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
6208         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
6209         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
6210         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
6211         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
6212         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
6213         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
6214         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
6215         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
6216         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
6217         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
6218         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
6219         slpeel_add_loop_guard): Ditto.
6220
6221 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
6222
6223         PR tree-optimization/15784
6224         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
6225         and -1 - A to ~A.
6226
6227         * stmt.c (expand_case): Don't change index_type.  Convert minval
6228         to the proper type.
6229
6230         PR tree-optimization/20130
6231         * fold-const.c (fold): Fold x * -1 into -x.
6232
6233 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
6234
6235         PR rtl-optimization/20331
6236         * rtlanal.c (modified_between_p): Check its address first for MEM.
6237         (modified_in_p): Likewise.
6238
6239 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
6240
6241         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
6242
6243 2005-03-10  Steven Bosscher  <stevenb@suse.de>
6244
6245         * expr.c (expand_expr_real_1): If possible, use a conditional
6246         move for expanding MIN_EXPR and MAX_EXPR.
6247         Use temp for moving around rtx-en.
6248
6249 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
6250
6251         PR rtl-opt/20412
6252         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
6253         correct mode.
6254
6255 2005-03-10  Roger Sayle  <roger@eyesopen.com>
6256
6257         * builtins.c (expand_builtin_signbit): Extend to handle floating
6258         point modes wider than the largest integer type, using the
6259         operand_subword_force function to obtain the signbit's word.
6260
6261 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
6262
6263         PR target/20322
6264         * combine.c (try_combine): If recog_for_combine added CLOBBERs
6265         to NEWI2PAT, fail to combine if they are used by NEWPAT.
6266
6267 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
6268
6269         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
6270
6271 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
6272
6273         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
6274         type void.
6275         (perform_edge_inserts): Unconditionally call
6276         free_dominator_info.
6277
6278         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
6279
6280 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
6281
6282         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
6283
6284 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
6285
6286         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
6287
6288         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
6289         gcc_unreachable.
6290         (rtl_register_value_prof_hooks,
6291         tree_value_profile_transformations,
6292         tree_register_value_prof_hooks): Likewise.
6293         * var-tracking.c (stack_adjust_offset_pre_post,
6294         variable_htab_free, variable_union, dataflow_set_different_2,
6295         count_uses, variable_was_changed, set_frame_base_location,
6296         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
6297         vt_add_function_parameters): Likewise.
6298         * varasm.c (named_section_real, named_section, make_decl_rtl,
6299         asm_emit_uninitialised, assemble_integer, decode_addr_const,
6300         const_hash_1, compare_constant, copy_constant, force_const_mem,
6301         output_constant_pool_2, output_constant_pool_1, output_constant,
6302         output_constructor, make_decl_one_only, decl_tls_model,
6303         default_no_named_section, default_elf_select_section_1,
6304         default_unique_section_1): Likewise.
6305         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
6306         * vmsdbgout.c (addr_const_to_string): Likewise.
6307
6308         PR c++/20375
6309         * function.c (struct assign_parm_data_one): Remove last_named
6310         field.
6311         (assign_parm_find_data_types): Don't determine last_named.
6312         Reorder named_parm determination.
6313         (assign_parms): Only setup varargs on the last non-varadic
6314         parameter.
6315
6316 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
6317
6318         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
6319         sda base address on medium model.
6320
6321 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
6322
6323         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
6324         * cfgloop.c (flow_loop_nodes_find): Export.
6325         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
6326         Declare.
6327         * cfgloopmanip.c (fix_loop_structure): New function.
6328         * predict.c (predict_loops): Clean up the loops information.
6329         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
6330         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
6331         loop structure.
6332         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
6333         (rewrite_into_loop_closed_ssa): Declaration changed.
6334         * tree-loop-linear.c (linear_transform_loops): Add argument to
6335         rewrite_into_loop_closed_ssa call.
6336         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6337         * tree-ssa-loop-im.c (move_computations): Ditto.
6338         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
6339         * tree-vectorizer.c (vectorize_loops): Ditto.
6340         * tree-optimize.c: Include cfgloop.h.
6341         (execute_todo): Choose whether to call cleanup_tree_cfg or
6342         cleanup_tree_cfg_loop.
6343         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
6344         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
6345         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
6346         cleanup_tree_cfg_loop call.
6347         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
6348         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
6349         work on part of cfg.
6350
6351 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
6352
6353         PR inline-asm/20314
6354         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
6355         with multiple alternatives.
6356
6357         * stmt.c (parse_output_constraint): Fix a typo.
6358
6359 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
6360
6361         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
6362         assembly directive instead of deprecated "no-generics".
6363
6364 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
6365
6366         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
6367         for non-offsettable memory references to cope with outstanding reload
6368         replacements.
6369         * config/s390/s390.md ("reload_outti"): Call find_replacement to
6370         avoid losing outstanding address reloads.
6371         ("reload_outdi", "reload_outdf"): Likewise.
6372
6373 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6374
6375         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
6376         code.  Add more cbrt transformations.
6377
6378 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6379
6380         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
6381
6382 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
6383
6384         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
6385         NULL_TREE when a given tree is not simplified.
6386         (fold): Return the original tree when any of the functions
6387         mentioned above NULL_TREE.
6388
6389         * fold-const.c (fold_unary, fold_binary): Take decomposed
6390         arguments, code, type, op0, and op1 in case of fold_binary.
6391         (fold): Update calls to fold_unary and fold_binary.
6392
6393 2005-03-09  Roger Sayle  <roger@eyesopen.com>
6394
6395         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
6396         a fndecl and an arglist instead of a CALL_EXPR, exp.
6397
6398 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
6399
6400         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
6401
6402         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
6403
6404         * expr.c (expand_assignment): Remove orig_to_rtx.
6405
6406         * fold-const.c (int_const_binop): Remove no_overflow.
6407
6408         * ifcvt.c (noce_emit_move_insn): Remove inmode.
6409
6410         * loop-iv.c (get_biv_step_1): Remove lhs.
6411
6412         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
6413
6414         * real.c (real_nan): Remove neg.
6415
6416         * function.c (thread_prologue_and_epilogue_insns): Remove i
6417         and newinsn.
6418
6419         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
6420         tb.
6421
6422         * tree-eh.c (tree_could_trap_p): Remove idx.
6423
6424         * tree-into-ssa.c (ann): Remove ann.
6425
6426         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
6427
6428         * tree-sra.c (decide_block_copy): Remove inst_count.
6429
6430         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
6431
6432         * tree-ssa-loop-im.c (lhs): Remove.
6433
6434         * cfgbuild.c (state, STATE, SET_STATE,
6435         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
6436         make_edges.
6437         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
6438         (find_basic_blocks): Set the state of each basic block to
6439         BLOCK_NEW.
6440
6441 2005-03-08  Jeff Law  <law@redhat.com>
6442
6443         * tree-cfg.c (cleanup_control_flow): If removal of a computed
6444         goto results in the removal of edges in the CFG, then we need
6445         to recompute dominators.
6446
6447 2005-03-09  Ben Elliston  <bje@au.ibm.com>
6448
6449         * c-common.c (c_do_switch_warnings): Comment fix.
6450
6451 2005-03-08  Julian Brown  <julian@codesourcery.com>
6452
6453         * Patch from 2005-03-08 reverted for causing regressions and
6454         ppc-darwin bootstrap failure.
6455
6456 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
6457
6458         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
6459         Define the real function for ppc-darwin.
6460         * c-typeck.c (convert_arguments): Check for target-specific
6461         invalid argument call to unprototyped function.
6462         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
6463         New Macro.
6464         * target.h (invalid_arg_for_unprototyped_fn): New field
6465         in struct calls.
6466         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
6467         default target hook.
6468         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
6469         Declare.
6470
6471 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
6472
6473         * c-typeck.c (constructor_stack, constructor_range_stack,
6474         initializer_stack): Make them static.
6475
6476         * cfg.c (rbi_pool): Make it static.
6477
6478         * gimple-low.c (lower_stmt_body): Make it static.
6479         * tree-flow.h: Remove the corresponding prototype.  Don't
6480         declare lower_data.
6481
6482         * sched-deps.c (cache_size): Make it static.
6483
6484         * stor-layout.c (lang_adjust_rli): Make it static.
6485
6486 2005-03-08  Julian Brown  <julian@codesourcery.com>
6487
6488         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
6489         from being used for symbols with vague linkage when
6490         HAVE_GAS_COMDAT_GROUP is true.
6491
6492 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
6493
6494         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
6495         nlabel == JUMP_LABEL (jump).
6496
6497 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
6498
6499         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
6500         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
6501         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
6502         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
6503
6504 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
6505
6506         PR c/14411
6507         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
6508         * c-common.c (handle_returns_twice): New function.
6509         (c_common_attribute_table): Declare eturns_twice' attribute.
6510         * doc/extend.texi: Document eturns_twice' attribute.
6511         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
6512         (struct tree_decl): Add returns_twice_flag.
6513
6514 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
6515
6516         * tree-ssa-phiopt.c: Fix a comment typo.
6517
6518         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
6519         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
6520         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
6521         copyright.
6522
6523 2005-03-08  Richard Henderson  <rth@redhat.com>
6524
6525         * config/alpha/alpha.c (code_for_builtin): Replace special-case
6526         builtin codes with ctzdi2, clzdi2, popcountdi2.
6527         (struct alpha_builtin_def): Add is_const.
6528         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
6529         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
6530         (alpha_init_builtins): Init them.  Set nothrow and const attributes
6531         on builtins.
6532         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
6533         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
6534         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
6535         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
6536         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
6537         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
6538         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
6539         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
6540         (TARGET_FOLD_BUILTIN): New.
6541         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
6542         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
6543         (ffsdi2): Use ctz.
6544         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
6545
6546 2005-03-08  Ira Rosen  <irar@il.ibm.com>
6547
6548         PR tree-optimization/20122
6549         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
6550         condition of access function instead of base.
6551
6552 2005-03-07  Jeff Law  <law@redhat.com>
6553             Steven Bosscher  <stevenb@suse.de>
6554
6555         * tree-cfg.c (find_taken_edge_computed_goto): New function.
6556         (find_taken_edge): Call find_taken_edge_computed_goto as
6557         appropriate.  Allow any gimple invariant rather than just
6558         INTEGER_CST for VAL.
6559         (cleanup_control_flow): Cleanup a computed goto which has turned
6560         into a simple goto.
6561         (tree_merge_blocks): If block B has any forced labels, move
6562         them to the start of block A.
6563         * tree-ssa-dom.c (thread_across_edge): Allow threading across
6564         computed gotos as well.
6565         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
6566         removal of unnecessary computed gotos too.
6567         (lookup_redirection_data): Fix type of INSERT argument.  Callers
6568         updated.
6569
6570 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
6571
6572         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
6573         Remove trailing spaces.
6574
6575         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
6576         unshare_all_trees): Make them static.
6577         * tree-gimple.h: Remove the corresponding prototypes.
6578
6579         * diagnostic.h: Remove unused prototype
6580         debug_output_buffer.
6581         * modulo-sched.c: Remove unused prototype
6582         set_row_column_for_ps.
6583
6584         * tree-ssa-phiopt.c (tree_ssa_phiopt,
6585         replace_phi_edge_with_variable): Remove unused variable i.
6586
6587 2005-03-07  Per Bothner  <per@bothner.com>
6588
6589         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
6590
6591 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
6592
6593         PR tree-opt/17671
6594         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
6595         bbs on the COND_EXPR instead of the PHI_NODEs.
6596         (candidate_bb_for_phi_optimization): Remove.
6597         (replace_phi_with_stmt): Rename to ...
6598         (replace_phi_edge_with_variable): this and change so that we
6599         replace the phi argument instead of removing the PHI.
6600         (conditional_replacement): Change so we deal with PHI with more
6601         than two arguments.
6602         (value_replacement): Likewise.
6603         (abs_replacement): Likewise.
6604
6605 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
6606
6607         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
6608         output_e500_flip_gt_bit.
6609
6610         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
6611         as bit 31.
6612         (rs6000_generate_compare): Fix logic to look at the correct bits.
6613         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
6614         Look at GT bit.
6615         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
6616         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
6617         gen_move_from_CR_gt_bit.
6618
6619         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
6620         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
6621         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
6622
6623         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
6624         (E500_CR_IOR_COMPARE): New constant.
6625
6626 2005-03-08  Earl Chew <earl_chew@agilent.com>
6627             David Billinghurst <David.Billinghurst@riotinto.com>
6628
6629         * config/i386/host-cygwin.c: New file to support precompiled
6630         headers on cygwin
6631         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
6632         * config.host: Use above files for cygwin host.
6633
6634 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
6635
6636         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
6637         ordering ops from earlier change.
6638
6639 2005-03-07  Per Bothner  <per@bothner.com>
6640
6641         Various fixes to allow us to again build if --enable-mapped-location:
6642         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
6643         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
6644         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
6645         local variable loc. Change logic appropriately.
6646         * tree-vect-transform.c (vect_finish_stmt_generation): Use
6647         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
6648         * c-parser.c (c_parser_for_statement): Initialize loc variable.
6649         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
6650         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
6651
6652 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
6653
6654         PR rtl-optimization/19683
6655         * reload1.c (choose_reload_regs): Pass the number of bits, not the
6656         number of bytes, to smallest_int_for_mode.  Fix arguments to
6657         REG_CANNOT_CHANGE_MODE_P.
6658
6659 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
6660
6661         * reorg.c (relax_delay_slots): Check that the jump is
6662         conditional before trying to invert it.
6663
6664 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
6665
6666         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
6667         Make them static.
6668
6669         * calls (stack_arg_under_construction): Make it static.
6670
6671         * flow.c (regs_live_at_setjmp): Make it static.
6672         * flow.h: Remove the corresponding prototype.
6673
6674         * reload1.c (reload_startobj, reload_firstobj,
6675         something_needs_operands_changed, reload_inherited,
6676         reload_inheritance_insn, reload_override_in,
6677         reload_spill_index): Make them static.
6678
6679         * recog.c (verify_changes): Make it static.
6680         * recog.h: Remove the corresponding prototype.
6681
6682         * cfgbuild.c (find_sub_basic_blocks): Remove.
6683         * basic-block.h: Remove the corresponding prototype.
6684         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
6685         in comments.
6686         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
6687
6688         * tree-ssa-operands.c (check_build_stmt): Remove.
6689
6690         * stor-layout.c (set_alignment): Remove.
6691         * tree.h: Remove the corresponding prototype.
6692
6693         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
6694
6695         * tree-ssa-dce.c (control_dependence_map,
6696         visited_control_parents): Make them static.
6697
6698         * cfghooks.c (verify_flow_info): Remove local variable
6699         num_bb_notes.
6700
6701         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
6702         last_bb_seen.
6703
6704         * loop-unswitch.c (unswitch_loop): Remove local variable src.
6705
6706 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
6707
6708         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
6709
6710 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
6711
6712         * config/ia64/hpux.h (LINK_SPEC): Add -z.
6713         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
6714         PARALLEL for an empty structure.
6715
6716 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
6717
6718         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
6719
6720         * fold-const.c (fold_binary): Unroll the very first "for"
6721         loop.
6722
6723 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
6724
6725         * config/rs6000/predicates.md (branch_comparison_operator): Remove
6726         redundant match_code test.
6727         (scc_comparison_operator): Swap match_operand and match_code
6728         tests.
6729         (branch_positive_comparison_operator): Same.
6730         (trap_comparison_operator): Use comparison_operator and swap with
6731         match_code test.
6732
6733 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
6734
6735         PR target/20288
6736         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
6737         (out_movhi_r_mr): Read low byte of volatile MEM first.
6738         (out_movhi_mr_r): Write high byte of volatile MEM first.
6739
6740 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
6741
6742         * cselib.c (reg_values, reg_values_size): Make them static.
6743
6744         * cse.c (cse_reg_info_table): Make it static.
6745
6746         * fold-const.c (fold_unary): Use build1 instead of copy_node.
6747
6748 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
6749
6750         * cse.c (find_best_addr): Use canon_for_address.
6751
6752 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
6753
6754         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
6755         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
6756         SUBREG and MEM, respectively.
6757
6758         * fold-const.c (fold_binary): Use code instead of t.
6759
6760         * fold-const.c (optimize_minmax_comparison): Take decomposed
6761         arguments code, type, op0, and op1 instead of t.
6762         (fold_binary): Update a call to optimize_minmax_comparison.
6763
6764         * fold-const.c (fold_range_test): Take decomposed arguments
6765         code, type, op0, and op1 instead of t.
6766         (fold_binary): Update a call to fold_range_test.
6767
6768         * fold-const.c (fold_binary_op_with_conditional_arg): Take
6769         decomposed arguments code, type, op0, and op1 instead of t.
6770         (fold_binary): Update a call to fold_range_test.
6771
6772 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
6773
6774         * fold-const.c (fold_binary): Avoid directly using the original
6775         expression t as much as possible.
6776
6777 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
6778
6779         * c-semantics.c (build_stmt): Use TYPE_P instead of
6780         IS_NON_TYPE_CODE_CLASS.
6781         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
6782         (NON_TYPE_CHECK): Use TYPE_P instead of
6783         IS_NON_TYPE_CODE_CLASS.
6784
6785         * fold-const.c (fold): Remove handling of binary expressions.
6786
6787 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
6788
6789         * doc/c-tree.texi: Wrap comments in @r{}.
6790         * doc/cpp.texi: Likewise.
6791         * doc/cppinternals.texi: Likewise.
6792         * doc/extend.texi: Likewise.
6793         * doc/md.texi: Likewise.
6794         * doc/objc.texi: Likewise.
6795         * doc/sourcebuild.texi: Likewise.
6796         * doc/tm.texi: Likewise.
6797         * doc/tree-ssa.texi
6798
6799 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
6800
6801         * predict.c (apply_return_prediction): Standardize PHI chain
6802         walking.
6803         * tree-ssa.c (ssa_redirect_edge): Likewise.
6804
6805         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
6806         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
6807         Update copyright.
6808
6809         * tree-phinodes.c (remove_phi_node): Drop the last argument.
6810         * tree-flow.h: Adjust the prototype for remove_phi_node.
6811         * lambda-code.c (perfect_nestify): Adjust a call to
6812         remove_phi_node.
6813         * tree-cfg.c
6814         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
6815         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
6816         Likewise.
6817         * tree-ssa-dce.c (remove_dead_phis): Likewise.
6818         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
6819         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
6820         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
6821
6822         * combine.c (simplify_and_const_int): Use gen_int_mode instead
6823         of GEN_INT (trunc_int_for_mode (...)).
6824         * loop-iv.c (iv_number_of_iterations): Likewise.
6825         * postreload.c (reload_cse_move2add): Likewise.
6826         * simplify-rtx.c (simplify_const_unary_operation,
6827         simplify_const_binary_operation): Likewise.
6828         * stor-layout.c (get_mode_bounds): Likewise.
6829
6830         * fold-const.c (fold_binary): New.
6831         (fold): Call fold_binary on binary expressions.
6832
6833 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
6834
6835         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
6836         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
6837         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
6838         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
6839         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
6840
6841 2005-03-04  Devang Patel  <dpatel@apple.com>
6842
6843         PR tree-optimization/18815
6844         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
6845         loops with zero exit edges.
6846
6847 2005-03-04  Devang Patel  <dpatel@apple.com>
6848
6849         * doc/invoke.texi: Remove reference to webpage that does not exist.
6850
6851 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
6852             Joseph S. Myers  <joseph@codesourcery.com>
6853
6854         PR c++/19797
6855         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
6856         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
6857         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
6858         * pa.c (get_plabel): Change argument to symbol_ref.  Call
6859         maybe_get_identifier instead of get_identifier.
6860         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
6861         (struct deferred_plabel): Replace name field with symbol field.
6862         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
6863         ASM_OUTPUT_EXTERNAL_REAL is defined.
6864         (output_global_address): Use output_addr_const for output of all
6865         symbol_refs.
6866         (output_deferred_plabels): Use symbol_ref instead of name for address
6867         output.
6868         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
6869         ASM_OUTPUT_SYMBOL_REF): New macros.
6870         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
6871         comment.
6872         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
6873         label.
6874
6875 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
6876
6877         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
6878         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
6879
6880 2005-03-04  Jeff Law  <law@redhat.com>
6881
6882         * basic-block.h (rediscover_loops_after_threading): Declare.
6883         * tree-ssa-dom.c: Include cfgloop.h.
6884         (tree_ssa_dominator_optimize): Discover loops and some basic
6885         properties.  Remove forwarder blocks recreated by loop header
6886         canonicalization.  Also mark backedges in the CFG.
6887         * tree-ssa-threadupdate.c: Include cfgloop.h
6888         (rediscover_loops_after_threading): Define.
6889         (struct local_info): New field, JUMP_THREADED.
6890         (prune_undesirable_thread_requests): New function.
6891         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
6892         then record that fact for the callers of redirct_edges.
6893         (thread_block): If BB has incoming backedges, then call
6894         prune_undesirable_thraed_requests.    Note when we are
6895         going to have to rediscover loop information.  Return a
6896         boolean indicating if any jumps were threaded.
6897         (thread_through_all_blocks): Bubble up boolean indicating
6898         if any jumps were threaded.
6899         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
6900         (tree-ssa-threadupdate.o): Similarly.
6901
6902 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
6903
6904         * fold-const.c (fold_ternary): Unroll the "for" loop to
6905         extract operands.
6906
6907 2005-03-04  Andrew Haley  <aph@redhat.com>
6908
6909         * unwind-dw2-fde-glibc.c (struct
6910         unw_eh_callback_data.check_cache): New field.
6911         (frame_hdr_cache): New.
6912         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
6913         Cache frame header info.
6914
6915 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
6916
6917         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
6918         (print_c_condition): Declare.
6919         * read-rtl.c (ptr_loc): New structure.
6920         (ptr_locs, ptr_loc_obstack, joined_conditions)
6921         (joined_conditions_obstack): New variables.
6922         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
6923         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
6924         (join_c_conditions, print_c_condition): New functions.
6925         (apply_macro_to_string): Associate the new string with the same
6926         source location as the old one.
6927         (add_condition_to_string): Use join_c_conditions.
6928         (read_string): Use set_rtx_ptr_loc to record a filename and line
6929         number for the string.
6930         (read_rtx): Initialize the new variables above.
6931         * genattrtab.c (write_test_expr, write_attr_value): Use
6932         print_c_condition.
6933         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
6934         comment above the GCC_VERSION check.
6935         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
6936         Inline the definition of MAYBE_EVAL.
6937         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
6938         * genoutput.c (process_template): Likewise.
6939         * genpreds.c (write_predicate_subfunction): Likewise.
6940         (write_predicate_expr): Use print_c_condition.
6941         * genrecog.c (write_cond): Likewise.
6942         * gensupport.c (process_rtx): Use join_c_conditions to join the
6943         conditions of a define_insn_and_split.  Record a source location
6944         for the string after the "&&".
6945         (alter_test_for_insn): Use join_c_conditions.
6946
6947 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
6948
6949         Revert for now:
6950         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
6951         PR tree-optimization/15784
6952         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
6953         and -1 - A to ~A.
6954
6955 2005-03-04  Ben Elliston  <bje@au.ibm.com>
6956
6957         * gcc.c (option_map): Add --coverage.
6958         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
6959         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
6960         * config/darwin.h: Pass -lgcov for `coverage'.
6961         * doc/invoke.texi (Debugging Options): Document --coverage.
6962
6963 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
6964
6965         * gcse.c (bypass_block): Use find_edge wherever possible.
6966
6967 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
6968
6969         Fix PR debug/20253
6970
6971         * c-opts.c (c_common_parse_file): Call start_source_file
6972         and end_source_file at the approriate times.
6973
6974         * dwarf2out.c (dwarf2out_finish): Don't auto-end
6975         the main file, it will be done for us now.
6976
6977 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
6978
6979         * fold-const.c (fold_ternary): New.
6980         (fold): Call fold_ternary on ternary expressions.  Remove
6981         handling of ternary expressions.
6982
6983 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
6984
6985         PR tree-optimization/15784
6986         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
6987         and -1 - A to ~A.
6988
6989 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
6990
6991         * config/rs6000/predicates.md (branch_comparison_operator):
6992         Convert from C block to conditional format.
6993
6994 2005-03-03  Jan Hubicka  <jh@suse.cz>
6995
6996         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
6997         and non-constant public variables.
6998
6999 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
7000
7001         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
7002         with LABEL_EXPR.
7003
7004         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
7005         EDGE_I.
7006
7007         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
7008         calls to release_ssa_name and release_phi_node.
7009
7010         * fold-const.c (fold): Remove handling of unary expressions.
7011
7012         * fold-const.c (fold_unary): Avoid directly using the original
7013         expression t as much as possible.
7014
7015 2005-03-03  Roger Sayle  <roger@eyesopen.com>
7016             Andrew Pinski  <pinskia@physics.uc.edu>
7017
7018         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
7019         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
7020
7021 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
7022
7023         Describe special registers SRP and MOF as allocatable registers.
7024         * config/cris/cris.c (cris_md_asm_clobbers): New function.
7025         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
7026         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
7027         TARGET_HAS_MUL_INSNS.
7028         (cris_print_operand) <case 'd'>: New case.
7029         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
7030         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
7031         define.
7032         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
7033         (REG_ALLOC_ORDER): Update for MOF.
7034         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
7035         SPECIAL_REGS.
7036         (GENERAL_REGS): No longer a define of ALL_REGS.
7037         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
7038         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
7039         Adjust accordingly.
7040         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
7041         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
7042         (SECONDARY_RELOAD_CLASS): Define.
7043         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
7044         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
7045         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
7046         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
7047         (REGISTER_MOVE_COST): Define.
7048         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
7049         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
7050         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
7051         (CRIS_MOF_REGNUM): New define_constants.
7052         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
7053         special registers.
7054         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
7055         New patterns.
7056         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
7057         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
7058         Adjust for MOF being properly described as a register.
7059         (indir_to_reg_split): Name this split.  Conditionalize on the
7060         destination register being a general register.
7061         (movei): Conditionalize on on operands 0 and 1 having the same
7062         register class.
7063
7064 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
7065
7066         PR target/20277
7067         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
7068         -mcpu to override any other explicitly given flags.
7069
7070 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
7071
7072         * recog.c (verify_changes, confirm_change_group): New functions,
7073         broken out of apply_change_group.
7074         (apply_change_group): Use them.
7075         * recog.h (verify_change, confirm_change_group): Declare.
7076         * rtl.h (redirect_jump_2): Declare.
7077         * jump.c (redirect_exp, invert_exp): Delete.
7078         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
7079         (redirect_jump_2): New function, broken out of redirect_jump.
7080         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
7081         (invert_jump): Use invert_jump_1 and redirect_jump_2.
7082         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
7083
7084 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
7085
7086         * varasm.c (named_section): Use xstrdup rather than doing it by
7087         hand.
7088
7089         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
7090
7091 2005-03-02  Devang Patel  <dpatel@apple.com>
7092
7093         Undo PR tree-optimization/18815 fix.
7094
7095 2005-03-02  Devang Patel  <dpatel@apple.com>
7096
7097         PR tree-optimization/18815
7098         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
7099         loops with zero exit edges.
7100
7101 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
7102
7103         * cfg.c (connect_src, connect_dest, disconnect_src,
7104         disconnct_dest): New.
7105         (unchecked_make_edge, remove_edge, redirect_edge_succ,
7106         redirect_edge_pred): Use the new functions.
7107
7108         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
7109         free_dominance_info only when needed.
7110
7111 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
7112
7113         PR target/20276
7114         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
7115         (reg_or_sub_cint64_operand): Same.
7116
7117 2005-03-02  Jeff Law  <law@redhat.com>
7118
7119         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
7120         CFG_ALTERED in the main DOM iteration loop.
7121
7122 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
7123
7124         PR c++/19916
7125         * varasm.c (initializer_constant_valid_p): Allow conversions
7126         between OFFSET_TYPEs.  Tidy.
7127
7128 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
7129
7130         * config/cris/cris.md ("return"): Remove epilogue delay list
7131         sanity check.
7132
7133 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
7134
7135         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
7136         for Thumb.
7137         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
7138
7139 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
7140
7141         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
7142         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
7143         config/m68k/m68k.c, config/mips/mips.h,
7144         config/rs6000/rs6000-protos.h, doc/contrib.texi,
7145         doc/include/gcc-common.texi: Update copyright.
7146
7147         PR middle-end/18029 and PR middle-end/18030
7148         * expr.c (optimize_bitfield_assignment_op): Add a special case
7149         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
7150
7151         * fold-const.c (fold_unary): New.
7152         (fold): Call fold_unary on unary expressions.
7153
7154 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
7155
7156         * cgraph.h (struct cgraph_edge): Add prev_caller and
7157         prev_callee fields.
7158         (cgraph_node_remove_callees): Export.
7159         * cgraph.c (cgraph_create_edge): Initialize prev_caller
7160         and prev_callee.
7161         (cgraph_edge_remove_callee): New function.
7162         (cgraph_edge_remove_caller): Likewise.
7163         (cgraph_remove_edge): Use.
7164         (cgraph_redirect_edge_callee): Likewise.
7165         (cgraph_node_remove_callees): New function.
7166         (cgraph_node_remove_callers): Likewise.
7167         (cgraph_remove_node): Use.
7168         * tree-optimize.c (tree_rest_of_compilation): Use
7169         cgraph_node_remove_callees instead of manual loop.
7170         * cgraphunit.c (cgraph_finalize_function): Likewise.
7171         (cgraph_expand_function): Likewise.
7172         (cgraph_remove_unreachable_nodes): Likewise.
7173
7174 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
7175
7176         PR c/8927
7177         * c-tree.h (undeclared_variable, build_external_ref): Add extra
7178         argument.
7179         * c-decl.c (undeclared_variable): Take location as argument.
7180         * c-typeck.c (build_external_ref): Likewise.
7181         * c-parser.c (c_parser_postfix_expression): Pass location of
7182         identifier to build_external_ref.
7183
7184 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
7185
7186         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
7187         CCEQ mode for branch_positive_comparison_operator test.
7188         * config/rs6000/predicates (branch_comparison_operator): Revert to
7189         define_predicate.
7190         (scc_comparison_operator): Same.
7191         (branch_positive_comparison_operator): Same.
7192
7193 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
7194
7195         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
7196         (cris_delay_slots_for_epilogue): Remove.
7197         (save_last): Move into cris_target_asm_function_epilogue.
7198         (cris_target_asm_function_epilogue): Remove tests for file being
7199         NULL.
7200         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
7201         (cris_delay_slots_for_epilogue): Remove prototypes.
7202         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
7203         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
7204
7205 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
7206
7207         * config/rs6000/predicates.md (branch_comparison_operator): Change
7208         to define_special_predicate.
7209         (scc_comparison_operator): Same.
7210         (branch_positive_comparison_operator): Same.
7211
7212 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
7213
7214         * Makefile.in (tree-ssa-sink.o): New.
7215         (OBJS-common): Add tree-ssa-sink.o.
7216         * common.opt: Add -ftree-sink
7217         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
7218         * timevar.def (TV_TREE_SINK): new timevar.
7219         * tree-flow.h (is_hidden_global_store): Prototype.
7220         * tree-optimize.c (init_tree_optimization_passes): Add
7221         pass_sink_code.
7222         * tree-pass.h (pass_sink_code): New.
7223         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
7224         for non-obvious global store store to is_hidden_global_store, and
7225         call that new function.
7226         * tree-ssa-sink.c: New file.
7227         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
7228         * doc/passes.texi: Document forward store motion.
7229         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
7230         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
7231         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
7232         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
7233
7234 2005-03-01  Per Bothner  <per@bothner.com>
7235
7236         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
7237         and we have a non-zero column-number, add it to the message.
7238         Also factor out the diagnostic_kind_text.
7239
7240 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
7241
7242         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
7243         flow_loop_pre_header_scan, flow_loop_pre_header_find,
7244         flow_loop_scan): Removed.
7245         (flow_loop_dump): Do not dump removed fields.
7246         (flow_loop_free): Do not free removed fields.
7247         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
7248         (loop_exit_edge_p): New function.
7249         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
7250         num_pre_header_edges, entry_edges, num_entries, exit_edges,
7251         num_exits, exits_doms.
7252         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
7253         LOOP_EDGES, LOOP_ALL): Removed.
7254         (flow_loop_scan): Declaration removed.
7255         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
7256         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
7257         flow_loops_find.
7258         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
7259         (if_convert): Call flow_loops_find and flow_loops_free
7260         when calling mark_loop_exit_edges.
7261         * cfgloopanal.c (mark_loop_exit_edges): Moved from
7262         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
7263         free_dominance_info calls.
7264         * loop-init.c (flow_loops_find): Ditto.
7265         * passes.c (rest_of_handle_branch_prob): Ditto.
7266         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
7267         * loop-unroll.c (analyze_insns_in_loop): Do not use
7268         EDGE_LOOP_EXIT.
7269         * predict.c (predict_loops): Do not call flow_loop_scan.
7270         Use get_loop_exit_edges.
7271         (tree_estimate_probability): Do not pass flags to flow_loops_find.
7272         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
7273         Do not use EDGE_LOOP_EXIT.
7274         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
7275         to bb_with_exit_edge_p.
7276         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
7277         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
7278         to bb_with_exit_edge_p.
7279         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
7280         EDGE_LOOP_EXIT.
7281         * tree-loop-linear.c (linear_transform_loops): Do not call
7282         flow_loop_scan.  Use loop->single_exit.
7283         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
7284         (vect_analyze_loop_form): Do not call flow_loop_scan.
7285         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
7286         loop->single_exit.
7287         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
7288         loop->single_exit.
7289         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
7290         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
7291         slpeel_tree_duplicate_loop_to_edge_cfg,
7292         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
7293         Use loop_preheader_edge and loop->single_exit.  Do not call
7294         flow_loop_scan.
7295
7296 2005-03-01  Nick Clifton  <nickc@redhat.com>
7297
7298         * config/arm/arm.c (thumb_find_work_register): Check all of the
7299         argument registers to see if they are free, and a couple of
7300         special cases where the last argument register but can be proved
7301         to be available during the function's prologue.
7302         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
7303         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
7304         thumb_unexpanded_epilogue): Use unsigned long as the type for the
7305         register bit-mask.
7306         (thumb_compute_save_reg_mask): Likewise.  Also use
7307         thumb_find_work_register() to ensure that there is agreement about
7308         which work register is going to be used in the prologue.
7309         (thumb_output_function_prologue): Use unsigned long as the type
7310         for the register bit-mask.  Also delay pushing the link register if
7311         other high registers are going to be pushed.
7312         (thumb_compute_save_reg_mask, emit_multi_reg_push,
7313         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
7314         redundant prototypes.
7315
7316 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
7317
7318         PR target/19819
7319         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
7320         and after reload in REG+REG indexed addresses without REG_POINTER
7321         set in the base and not set in the index.
7322
7323 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
7324
7325         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
7326         Don't undefine here.
7327         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
7328         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
7329         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
7330         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
7331         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
7332         Delete.
7333         * config.gcc (sh*-*-linux*): Use config/linux.h.
7334
7335 2005-02-28  Dale Johannesen  <dalej@apple.com>
7336             Stan Shebs  <shebs@apple.com>
7337
7338         Rewrite of 64-bit Darwin structure-by-value pass/return.
7339         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
7340         intoffset, use_stack, named.
7341         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
7342         (rs6000_darwin64_record_arg_advance_flush):  New.
7343         (rs6000_darwin64_record_arg_advance_recurse): New.
7344         (rs6000_darwin64_record_arg_flush):  New.
7345         (rs6000_darwin64_record_arg_recurse):  New.
7346         (rs6000_darwin64_record_arg):  New.
7347         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
7348         (function_arg_boundary):  Handle 128-bit aligned structs.
7349         (function_arg_advance):  Rewrite darwin64 struct handling.
7350         (function_arg):  Call rs6000_darwin64_record_arg.
7351         (function_arg_partial_nregs):  Handle darwin64 structs.
7352         (rs6000_darwin64_function_value):  Remove.
7353         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
7354
7355 2005-02-28  Roger Sayle  <roger@eyesopen.com>
7356
7357         PR tree-optimization/20216
7358         * tree-chrec.c (tree_fold_factorial): Delete.
7359         (tree_fold_binomial): Change argument list to take a return type
7360         and change the type of K to unsigned int.  Rewrite to avoid explicit
7361         evaluation of factorials, and (recursively) calling fold to perform
7362         compile-time arithmetic.  Return NULL on (internal) overflow.
7363         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
7364         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
7365         if any intermediate calculation overflows.
7366         (chrec_apply): Update call to chrec_evaluate.
7367
7368 2005-02-28  James E Wilson  <wilson@specifixinc.com>
7369
7370         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
7371
7372 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
7373
7374         PR c/20245
7375         * c-parser.c (c_parser_compound_statement): Return error_mark_node
7376         instead of NULL_TREE on error.
7377
7378 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
7379
7380         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
7381         (EASY_VECTOR_15_ADD_SELF): Remove.
7382         (num_insns_constant_wide): Not static.
7383         (validate_condition_mode): Not static.
7384         (toc_relative_expr_p): Not static.
7385         (legitimate_indirect_address_p): Not static.
7386         (macho_lo_sum_memory_operand): Not static.
7387         (invalid_e500_subreg): Not static.
7388         (easy_vector_same): Not static.
7389         (easy_vector_splat_const): Not static.
7390         (RS6000_SYMBOL_REF_TLS_P): Remove.
7391         (any_operand): Delete.
7392         (any_parallel_operand): Delete.
7393         (count_register_operand): Delete.
7394         (altivec_register_operand): Delete.
7395         (xer_operand): Delete.
7396         (s8bit_cint_operand): Delete.
7397         (short_cint_operand): Delete.
7398         (u_short_cint_operand): Delete.
7399         (non_short_cint_operand): Delete.
7400         (exact_log2_cint_operand): Delete.
7401         (gpc_reg_operand): Delete.
7402         (cc_reg_operand): Delete.
7403         (cc_reg_not_cr0_operand): Delete.
7404         (reg_or_short_operand): Delete.
7405         (reg_or_neg_short_operand): Delete.
7406         (reg_or_aligned_short_operand): Delete.
7407         (reg_or_u_short_operand): Delete.
7408         (reg_or_cint_operand): Delete.
7409         (reg_or_arith_cint_operand): Delete.
7410         (reg_or_add_cint64_operand): Delete.
7411         (reg_or_sub_cint64_operand): Delete.
7412         (reg_or_logical_cint_operand): Delete.
7413         (got_operand): Delete.
7414         (got_no_const_operand): Delete.
7415         (easy_fp_constant): Delete.
7416         (easy_vector_constant): Delete.
7417         (easy_vector_constant_add_self): Delete.
7418         (zero_constant): Delete.
7419         (zero_fp_constant): Delete.
7420         (volatile_mem_operand): Delete.
7421         (offsettable_mem_operand): Delete.
7422         (mem_or_easy_const_operand): Delete.
7423         (add_operand): Delete.
7424         (non_add_cint_operand): Delete.
7425         (logical_operand): Delete.
7426         (non_logical_cint_operand): Delete.
7427         (mask_operand): Delete.
7428         (mask_operand_wrap): Delete.
7429         (mask64_operand): Delete.
7430         (mask64_2_operand): Delete.
7431         (and64_operand): Delete.
7432         (and64_2_operand): Delete.
7433         (and_operand): Delete.
7434         (reg_or_mem_operand): Delete.
7435         (lwa_operand): Delete.
7436         (symbol_ref_operand): Delete.
7437         (call_operand): Delete.
7438         (current_file_function_operand): Delete.
7439         (input_operand): Delete.
7440         (rs6000_nonimmediate_operand): Delete.
7441         (rs6000_tls_symbol_ref): Delete.
7442         (save_world_operation): Delete.
7443         (restore_world_operation): Delete.
7444         (load_multiple_operation): Delete.
7445         (store_multiple_operation): Delete.
7446         (vrsave_operation): Delete.
7447         (mfcr_operation): Delete.
7448         (mtcrf_operation): Delete.
7449         (lmw_operation): Delete.
7450         (stmw_operation): Delete.
7451         (branch_comparison_operator): Delete.
7452         (branch_positive_comparison_operator): Delete.
7453         (scc_comparison_operator): Delete.
7454         (trap_comparison_operator): Delete.
7455         (boolean_operator): Delete.
7456         (boolean_or_operator): Delete.
7457         (min_max_operator): Delete.
7458         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
7459         (EASY_VECTOR_15): Moved to here.
7460         (EASY_VECTOR_15_ADD_SELF): Move to here.
7461         (PREDICATE_CODES): Delete.
7462         * config/rs6000/rs6000-protos.h: Delete predicate functions.
7463         Declare functions no longer static.
7464         * config/rs6000/predicates.md: New.
7465         * config/rs6000/rs6000.md: Include predicates.md
7466
7467 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
7468
7469         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
7470         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
7471         REG_ALWAYS_RETURN.
7472         * cfgrtl.c (need_fake_edge_p): Likewise.
7473         * combine.c (distribute_notes): Likewise.
7474         * emit-rtl.c (try_split): Likewise.
7475         * recog.c (peephole2_opimize): Likewise.
7476         * reg-notes.def (ALWAYS_RETURN): Remove.
7477         * rtl.h (LCT_ALWAYS_RETURN): Remove.
7478         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
7479         * tree.h (ECF_ALWAYS_RETURN): Remove.
7480
7481 2005-02-28  Roger Sayle  <roger@eyesopen.com>
7482
7483         PR middle-end/19874
7484         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
7485         between different machine modes is never a "useless" conversion.
7486
7487 2005-02-28  Geert Bosch  <bosch@gnat.com>
7488
7489         PR ada/15977
7490         * doc/contrib.texi: List contributors for Ada front end
7491
7492 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
7493
7494         * simplify-rtx.c (simplify_unary_operation_1,
7495         simplify_const_unary_operation): New, extracted from...
7496         (simplify_unary_operation): ... this one.
7497         (simplify_binary_operation_1,
7498         simplify_const_binary_operation): New, extracted from...
7499         (simplify_binary_operation): ... this one.
7500         * rtl.h (simplify_const_unary_operation,
7501         simplify_const_binary_operation): Add prototypes.
7502
7503 2005-02-28  Julian Brown  <julian@codesourcery.com>
7504
7505         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
7506         building libjava and caused PR regression/20228.
7507
7508 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
7509
7510         PR bootstrap/17383
7511         * Makefile.in (host_subdir): New.
7512         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
7513         * configure: Regenerate.
7514
7515 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
7516
7517         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
7518         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
7519         installation directory first.
7520
7521 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
7522
7523         PR target/19065.
7524         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
7525         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
7526         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
7527         * config/cris/cris.md: Tweak comments referring to Q.
7528         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
7529         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
7530         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
7531         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
7532         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
7533         Insert spaces in constraints to align alternatives vertically for
7534         readability.
7535         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
7536         operand 1: "M".
7537
7538 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7539
7540         PR rtl-optimization/17728
7541         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
7542         operand 0 from general_operand to move_dest_operand.
7543
7544 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7545
7546         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
7547         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
7548         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
7549         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
7550
7551 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
7552
7553         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
7554         * configure: Regenerate.
7555         * libada-mk.in: Remove CC; rename
7556         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
7557
7558 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
7559
7560         PR tree-opt/20188
7561         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
7562         for the lhs, also walk over the tree.  Likewise for rhs.
7563
7564 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
7565
7566         * tree-ssa-dom.c (simple_iv_increment_p): New function.
7567         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
7568         Do not propagate value of iv before increment over the increment.
7569
7570 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
7571
7572         * c-parser.c: New file.
7573         * c-parse.in: Remove.
7574         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
7575         Remove.
7576         (c-parser.o): Add dependencies.
7577         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
7578         maintainer-clean, TAGS): Update.
7579         * c-config-lang.in (gtfiles): Update.
7580         * gengtype-lex.l: Don't handle "@@".
7581         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
7582         objc_build_synchronized, objc_begin_try_stmt,
7583         objc_begin_catch_clause, objc_finish_catch_clause,
7584         objc_build_finally_clause, objc_finish_try_stmt): New.
7585         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
7586         type_seen_p.
7587         (c_parse_init): Update comment.
7588         * c-decl.c (c_init_decl_processing): Update comment.
7589         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
7590         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
7591         new c_declspecs members.
7592
7593 2005-02-25  Julian Brown  <julian@codesourcery.com>
7594
7595         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
7596         from being used for symbols with vague linkage when
7597         HAVE_GAS_COMDAT_GROUP is true.
7598
7599 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
7600
7601         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
7602
7603 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
7604
7605         PR target/19930
7606         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
7607         (LIBGCC2_HAS_DF_MODE): New.
7608         (LIBGCC2_HAS_XF_MODE): New.
7609         (LIBGCC2_HAS_TF_MODE): New.
7610         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
7611         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
7612         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
7613         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
7614         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
7615         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
7616         and add _fixtfdi, _fixunstfdi, _floatditf
7617         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
7618         L_fixunstfdi, L_floatditf.
7619         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
7620         (LIBGCC2_HAS_TF_MODE): Define.
7621
7622 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
7623
7624         PR tree-optimization/20204
7625         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
7626         REWRITE_THIS_STMT markers on PHI nodes.
7627         (rewrite_initialize_block): Likewise.
7628
7629 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
7630
7631         * version.c (version_string): Update to 4.1.
7632
7633 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
7634
7635         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
7636         Clarify that the alternative way doesn't work in GNU C++.
7637
7638 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
7639
7640         PR tree-optimization/19937
7641         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
7642         to the type of the induction variable.
7643
7644 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
7645
7646         PR rtl-optimization/20117
7647         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
7648         the block including noncopyable insn.
7649
7650 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
7651
7652         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
7653         calls to find_reg_note.
7654
7655 2005-02-24  Richard Henderson  <rth@redhat.com>
7656
7657         PR tree-opt/20127
7658         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
7659         the type.
7660
7661 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
7662
7663         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
7664         vector types if to use base reg for misaligned non-word ld/std.
7665
7666 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
7667
7668         PR target/14619
7669         * config/cris/cris.c (cris_target_asm_function_prologue): Create
7670         dwarf2 label manually and put it after, not before the prologue.
7671
7672 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
7673
7674         PR target/19019
7675         * reload.c (operands_match_p): Only increment register number for
7676         SCALAR_INT_MODE_P modes in multiple hard registers.
7677
7678         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
7679         Fix formatting.
7680
7681 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7682
7683         * ChangeLog.5: Fix log message typo(s).
7684         * ChangeLog.7: Likewise.
7685         * ChangeLog.tree-ssa: Likewise.
7686         * cfgexpand.c: Fix comment typo(s).
7687         * conflict.c: Likewise.
7688         * defaults.h: Likewise.
7689         * dwarf2out.c: Likewise.
7690         * gcse.c: Likewise.
7691         * ggc-page.c: Likewise.
7692         * tree-eh.c: Likewise.
7693         * tree-ssa-dom.c: Likewise.
7694
7695 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
7696
7697         PR target/19019
7698         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
7699         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
7700         if SHARED is defined.
7701
7702         PR target/20196
7703         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
7704         allow splitting only if operands 0 and 3 don't overlap.
7705
7706 2005-02-24  Richard Henderson  <rth@redhat.com>
7707
7708         PR middle-end/19953
7709         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
7710         (fold_builtin_1): Call them.
7711         * fold-const.c (fold_complex_mult_parts): Split out from ...
7712         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
7713         (fold_complex_div_parts, fold_complex_div): New.
7714         (fold): Use them.
7715         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
7716
7717 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7718
7719         * tree-ssa-ccp.c (visit_assignment): Verify that result of
7720         VIEW_CONVERT_EXPR is_gimple_min_invariant.
7721
7722         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
7723         (print_node): Likewise.
7724         Print TYPE_SIZES_GIMPLIFIED.
7725
7726 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
7727
7728         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
7729         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
7730         operands as commutative in constraints.
7731
7732 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
7733
7734         * tree-into-ssa.c: Re-organize internal functions.
7735
7736 2005-02-24  Richard Henderson  <rth@redhat.com>
7737
7738         PR middle-end/18902
7739         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
7740         for c99.
7741         * common.opt (fcx-limited-range): New.
7742         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
7743         * toplev.c (flag_complex_method): Initialize to 1.
7744         (process_options): Set flag_complex_method to 0 if
7745         flag_cx_limited_range.
7746         * doc/invoke.texi (-fcx-limited-range): New.
7747
7748 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
7749
7750         * cse.c (delete_trivially_dead_insns): Speed up by using
7751         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
7752         prev_real_insn.
7753
7754 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
7755
7756         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
7757         functions when -mid-shared-library is being used.
7758
7759 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
7760
7761         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
7762         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
7763         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
7764         * system.h: Poison LINK_LIBGCC_SPECIAL.
7765
7766 2005-02-23  James E Wilson  <wilson@specifixinc.com>
7767
7768         * gengtype.c (note_insn_name): Make 1 element larger.
7769
7770 2005-02-23  Roger Sayle  <roger@eyesopen.com>
7771
7772         PR target/20018
7773         PR rtl-optimization/20097
7774         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
7775         BImode SUBREGs of SImode registers which confuse the ia64 backend.
7776
7777 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
7778
7779         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
7780         * t-aix52 (SHLIB_INSTALL): Same.
7781
7782 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
7783
7784         * genpreds.c: Update copyright.
7785
7786 2005-02-23  Michael Beach  <michaelb@ieee.org>
7787
7788         PR target/20159
7789         * config/sparc/t-elf (startup files): Assemble with CPP.
7790
7791 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
7792
7793         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
7794         (write_predicate_expr): Likewise.
7795
7796 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
7797
7798         PR tree-optimization/20100
7799         PR tree-optimization/20115
7800         * tree-optimize.c (init_tree_optimization_passes): Remove
7801         pass_maybe_create_global_var.
7802         * tree-pass.h (pass_maybe_create_global_var): Remove.
7803         * tree-ssa-alias.c (aliases_computed_p): Declare.
7804         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
7805         (count_calls_and_maybe_create_global_var): Remove.
7806         (pass_maybe_create_global_var): Remove.
7807         (init_alias_info): Do not declare aliases_computed_p.
7808         (maybe_create_global_var): If the function contains no
7809         call-clobbered variables and a mix of pure/const and regular
7810         function calls, create .GLOBAL_VAR.
7811         Mark all call-clobbered variables for renaming.
7812         (merge_pointed_to_info): Update comment.
7813         (add_pointed_to_var): Likewise.
7814         (is_escape_site): Likewise.
7815         Accept struct alias_info * instead of size_t *.
7816         Update all users.
7817         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
7818         as necessary.
7819         * tree-ssa-operands.c (get_call_expr_operands): If
7820         ALIASES_COMPUTED_P is false, do not add call-clobbering
7821         operands.
7822         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
7823         (delete_tree_ssa): Likewise.
7824
7825 2005-02-22  James E Wilson  <wilson@specifixinc.com>
7826
7827         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
7828         (do_compile): Do call it here.
7829
7830 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
7831
7832         PR rtl-optimization/20017.
7833         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
7834         rest_of_handle_cse2, rest_of_handle_gcse): Call
7835         delete_dead_jumptables immediately before calling cleanup_cfg.
7836
7837 2005-02-22  Devang Patel  <dpatel@apple.com>
7838
7839         PR 19952
7840         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
7841         all labels
7842
7843 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
7844
7845         * config/rs6000/aix.h (WINT_TYPE): Define.
7846
7847 2005-02-22  Stan Shebs  <shebs@apple.com>
7848
7849         * config/rs6000/rs6000.c (rs6000_override_options): Default to
7850         natural alignment for 64-bit Darwin.
7851         (rs6000_parse_alignment_option): Warn about uses of -malign-power
7852         on 64-bit Darwin.
7853         * doc/invoke.texi: Document this.
7854
7855 2005-02-22  DJ Delorie  <dj@redhat.com>
7856
7857         * c-common.c (c_common_type_for_mode): Pass the mode's precision
7858         to make_[un]signed_type, not the mode itself.
7859
7860 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
7861
7862         * cfg.c (cached_make_edge): Call make_edge if edge cache is
7863         not available.  Use tail calls wherever possible.
7864         (make_edge): Call unchecked_make_edge to create an edge.
7865
7866         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
7867         (coalesce_ssa_name): Don't check for
7868         SSANORM_USE_COALESCE_LIST.
7869         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
7870
7871 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
7872
7873         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
7874         (rewrite_into_ssa): ... here.
7875
7876 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
7877
7878         PR tree-optimization/19786
7879         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
7880         tag to another's may-alias bitmap when adding to the other's list.
7881
7882 2005-02-21  DJ Delorie  <dj@redhat.com>
7883
7884         * tree-ssa-loop-ivopts.c (computation_cost): Start register
7885         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
7886         registers in unsupported ways.
7887         * expmed.c (init_expmed): Likewise.
7888
7889 2005-02-21  Stan Cox  <scox@redhat.com>
7890
7891         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
7892
7893 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
7894
7895         * tree-cfg.c (fold_cond_expr_cond): New.
7896         (make_edges): Call fold_cond_expr_cond.
7897         (find_taken_edge): Accept nothing but INTEGER_CST.
7898         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
7899         and 1.
7900         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
7901
7902         * flow.c (delete_dead_jumptables): Speed up by scanning insns
7903         that do not belong to any basic block.
7904
7905 2005-02-21  Jeff Law  <law@redhat.com>
7906
7907         * cfganal.c (find_unreachable_blocks): Manually CSE load of
7908         e->dest.
7909
7910 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
7911
7912         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
7913         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
7914         Adjust their definitions.
7915         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
7916         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
7917
7918         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
7919         genautomata.c, langhooks.c, langhooks.h, system.h,
7920         config/arm/lib1funcs.asm: Update copyright.
7921
7922 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
7923
7924         * dbxout.c (dbxout_function_end): Emit Lscope label always.
7925
7926 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
7927
7928         PR bootstrap/13770
7929         * doc/install.texi: Document --with-gc.
7930
7931 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
7932
7933         * simplify-rtx.c (simplify_unary_operation): Add a missing
7934         "break" statement.
7935
7936 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
7937
7938         PR tree-optimization/18663
7939         * tree-ssa-dom.c (extract_range_from_cond): Return 0
7940         if the type has variable bounds.
7941
7942 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
7943
7944         * gcse.c: Remove an obsolete comment.
7945
7946         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
7947
7948 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
7949
7950         * doc/extend.texi (Function Attributes) <Attribute const>: The
7951         attribute "pure" is below this text, not above.
7952
7953 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7954
7955         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
7956         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
7957         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
7958
7959 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
7960
7961         PR 18785
7962         * langhooks.h (struct lang_hooks): Add to_target_charset.
7963         * langhooks.c (lhd_to_target_charset): New function.
7964         * langhooks-def.h: Declare lhd_to_target_charset.
7965         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
7966         (LANG_HOOKS_INITIALIZER): Update.
7967         * c-common.c (c_common_to_target_charset): New function.
7968         * c-common.h: Declare it.
7969         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
7970         c_common_to_target_charset.
7971
7972         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
7973         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
7974         Delete definitions.
7975         * system.h: Poison them.
7976         * doc/tm.texi: Don't discuss them.
7977         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
7978         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
7979         (pp_c_char): Do not attempt to generate letter escapes for
7980         newline, tab, etc.
7981         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
7982         * config/mips/mips.c (mips_output_ascii): Likewise.
7983
7984 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
7985
7986         PR tree-optimization/19951
7987         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
7988         is abnormal.
7989
7990 2005-02-19  Steven Bosscher  <stevenb@suse.de>
7991
7992         PR middle-end/19698
7993         * function.h (struct function): New field `max_loop_depth'.
7994         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
7995         (flow_loops_find): Reset the max loop depth count before finding loops.
7996         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
7997         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
7998         (calculate_global_regs_live): Make sure the loop will terminate
7999         when the initial sets are not empty.
8000
8001 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
8002
8003         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
8004         object inside.
8005         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
8006
8007 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
8008
8009         PR other/19525
8010         * doc/invoke.texi: Remove documentation of %M spec.
8011         * gcc.c: Likewise.
8012         (init_spec): Remove %M suffix from -lgcc_s.
8013         (do_spec_1): Remove 'M' case.
8014         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
8015         to put shared libraries in the multilib directory.  Remove the
8016         shlib_so_soname substitution variable.  Don't add a multilib encoding
8017         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
8018         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
8019         SHLIB_INSTALL as well as SHLIB_LINK.
8020         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
8021         (SHLIB_NAME): Delete.
8022         (SHLIB_DIR): New macro.
8023         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
8024         (SHLIB_INSTALL): Adjust accordingly.
8025         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
8026         * config/t-slibgcc-sld: Likewise.
8027         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
8028         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
8029         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
8030         in $(SHLIB_DIR).
8031         (SHLIBUNWIND_INSTALL): Adjust accordingly.
8032         * config/i386/t-nwld (SHLIB_SONAME): Delete.
8033         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
8034         Use @shlib_base_name@ instead of @shlib_so_name@.
8035         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
8036         and @shlib_base_name@.so in @multilib_dir@.
8037         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
8038         to the install path.
8039         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
8040         (SHLIB_LINK): Remove previous workaround.
8041         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
8042         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
8043         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
8044         the install path.
8045         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
8046         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
8047         (SHLIB_INSTALL): Adjust accordingly.
8048         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
8049         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
8050         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
8051         config/t-slibgcc-elf-ver.
8052
8053 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
8054             Jakub Jelinek  <jakub@redhat.com>
8055
8056         PR tree-optimization/19828
8057         * tree-ssa-loop-im.c: Add a TODO comment.
8058         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
8059         without side-effects.
8060
8061 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
8062
8063         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
8064         call fold_convert.
8065
8066 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
8067
8068         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
8069         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
8070         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
8071         functions.
8072         (ia64_reorg): Delete fixup_errata call.
8073         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
8074         (TARGET_SWITCHES): Delete -mb-step entry.
8075
8076 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
8077
8078         PR c/20043
8079         * c-typeck.c (composite_type): Handle quals in transparent unions.
8080         (type_lists_compatible_p): Likewise.
8081
8082 2005-02-18  Stan Shebs  <shebs@apple.com>
8083
8084         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
8085         expressions in the .literal8 section.
8086
8087 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
8088
8089         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
8090
8091 2005-02-18  Roger Sayle  <roger@eyesopen.com>
8092
8093         * fold-const.c (constant_boolean_node): Always create values of the
8094         specified type, don't bother calling truthvalue_conversion.
8095
8096 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
8097
8098         * except.c (output_function_exception_table): Call
8099         assemble_external_libcall (eh_personality_libfunc).
8100
8101 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
8102
8103         PR target/19886
8104         * config/ia64/ia64.h (struct machine_function): Add state_num.
8105         * config/ia64/ia64.c (process_epilogue,
8106         process_for_unwind_directive): Use new unwind state numbers each
8107         time rather than state 1.
8108
8109 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
8110
8111         PR target/20054
8112         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
8113         before the "*llgt_didi" pattern.
8114
8115 2005-02-18  Jason Merrill  <jason@redhat.com>
8116
8117         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
8118
8119 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
8120
8121         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
8122         (div0): Use it in place of ARM_FUNC_ALIAS.
8123         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
8124
8125 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
8126
8127         PR middle-end/20030
8128         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
8129         access, the lower bound of the array type if it exists.
8130
8131 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
8132
8133         PR c++/20008
8134         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
8135         cases that are out-of-range for the index type.
8136
8137 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
8138
8139         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
8140         (estimate_case_costs): Don't call convert.
8141         * expmed.c (expand_shift): Likewise.
8142         (make_tree): Call fold_convert instead of convert.
8143
8144 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
8145
8146         PR c++/19813
8147         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
8148         that ref to be marked MEM_READONLY_P doesn't have base that needs
8149         constructing.
8150
8151 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
8152
8153         * genautomata.c (output_get_cpu_unit_code_func,
8154         output_cpu_unit_reservation_p): Don't generate old-style function
8155         definitions.
8156
8157 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
8158
8159         PR c++/20023
8160         PR tree-optimization/20009
8161         * convert.c (convert_to_integer): Revert 2005-02-16 change.
8162
8163         PR tree-optimization/18947
8164         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
8165         inline, remove all nodes that are inlined into the extern inline
8166         being redefined.
8167
8168 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
8169
8170         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
8171         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
8172         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
8173         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
8174         Update copyright.
8175
8176 2005-02-17  Roger Sayle  <roger@eyesopen.com>
8177
8178         PR tree-optimization/19917
8179         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
8180         to be potentially trapping.
8181
8182 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
8183
8184         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
8185
8186 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
8187
8188         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
8189         tem becomes a local variable which is set to the value of the
8190         back end defined INITIAL_FRAME_ADDRESS macro.
8191         (expand_builtin_frame_address): Omit the base parameter to
8192         expand_builtin_return_addr.
8193         (expand_builtin_profile_func): Likewise.
8194         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
8195         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
8196         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
8197
8198 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
8199
8200         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
8201         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
8202         * config/frv/frv.c (frv_function_epilogue): Likewise.
8203
8204 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
8205
8206         * lambda-code (perfect_nestify): Remove mark/unmark
8207         for rewriting hack.
8208         * tree-loop-linear.c (linear_transform_loops): Add
8209         rewrite_into_ssa call so that ssa is correct for
8210         rewriting into loop closed.
8211
8212 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
8213
8214         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
8215         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
8216         BITMAP_FREE.
8217         * bt-load.c (btr_def_live_range, combine_btr_defs,
8218         migrate_btr_def, migrate_btr_defs): Likewise.
8219         * cfgcleanup.c (thread_jump): Likewise.
8220         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
8221         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
8222         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
8223         df_rd_local_compute, df_reg_info_compute): Likewise.
8224         * dominance.c (init_dom_info, free_dom_info): Likewise.
8225         * flow.c (init_propagate_block_info,
8226         free_propagate_block_info): Likewise.
8227         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
8228         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
8229         modify_reg_pav): Likewise.
8230         * loop-invariant.c (find_defs, find_invariant_insn,
8231         find_invariants, free_inv_motion_data): Likewise.
8232         * predict.c (tree_predict_by_opcode,
8233         estimate_bb_frequencies): Likewise.
8234         * stmt.c (expand_case): Likewise.
8235         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
8236         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
8237         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
8238         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
8239         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
8240         rewrite_ssa_into_ssa): Likewise.
8241         * tree-optimize.c (tree_rest_of_compilation): Likewise.
8242         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
8243         analyze_edges_for_bb, perform_edge_inserts): Likewise.
8244         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
8245         * tree-sra.c (tree_sra): Likewise.
8246         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
8247         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
8248         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
8249         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
8250         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
8251         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
8252         Likewise.
8253         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
8254         calculate_live_on_entry, calculate_live_on_exit,
8255         build_tree_conflict_graph): Likewise.
8256         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
8257         record_important_candidates, set_use_iv_cost, find_depends,
8258         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
8259         tree_ssa_iv_optimize_finalize): Likewise.
8260         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
8261         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
8262         tree_duplicate_loop_to_header_edge): Likewise.
8263         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
8264         * tree-ssa.c (verify_flow_insensitive_alias_info,
8265         verify_name_tags, verify_ssa, init_tree_ssa,
8266         delete_tree_ssa): Likewise.
8267         * tree-ssanames.c (marked_ssa_names, init_ssanames,
8268         fini_ssanames): Likewise.
8269         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
8270
8271 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
8272
8273         * config/rs6000/t-rtems: Completely reworked.
8274
8275 2005-02-17  Ira Rosen  <irar@il.ibm.com>
8276
8277         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
8278
8279 2005-02-17  Ira Rosen  <irar@il.ibm.com>
8280
8281         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
8282         POINTER_TYPE_P when checking that type is a pointer.
8283         (vect_get_memtag): Remove.
8284         (vect_address_analysis): Use POINTER_TYPE_P. Call
8285         vect_object_analysis with dummy parameter for memtag.
8286         (vect_object_analysis): Extract memtag (functionality that
8287         used to be in vect_get_memtag and moved here). Fix printings.
8288         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
8289         with correct parameters. Remove call to vect_get_memtag.
8290
8291 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
8292
8293         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
8294         (tree-vectorizer.o): Added missing dependencies.
8295
8296         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
8297         decleration.
8298         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
8299         declaration in tree-vectorizer.c, now has an extern declaration in
8300         tree-vectorizer.h).
8301         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
8302         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
8303         get_vectype_for_scalar_type, vect_is_simple_use,
8304         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
8305         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
8306         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
8307         vectorizable_store, vectorizable_operation, vectorizable_assignment,
8308         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
8309         find_loop_location): Likewise.
8310
8311         * tree-vectorizer.c (langhooks.h): #include removed.
8312         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
8313         moved to tree-vectorized.h.
8314         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
8315         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
8316         get_vectype_for_scalar_type, vect_is_simple_use,
8317         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
8318         vect_supportable_dr_alignment, new_loop_vec_info,
8319         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
8320         vect_set_verbosity_level, find_loop_location): Likewise.
8321
8322         (vect_analyze_loop): Function externalized. Declaration moved to
8323         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
8324         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
8325         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
8326         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
8327         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
8328         vect_enhance_data_refs_alignment, vect_analyze_operations,
8329         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
8330         vect_stmt_relevant_p, vect_get_loop_niters,
8331         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
8332         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
8333         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
8334         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
8335         vect_get_memtag): Likewise.
8336
8337         (vectorizable_load): Function externalized. Declaration moved to
8338         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
8339         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
8340         vect_transform_loop): Likewise.
8341         (vect_transform_stmt): Moved to tree-vect-transform.c.
8342         (vect_align_data_ref, vect_create_destination_var,
8343         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
8344         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
8345         vect_get_vec_def_for_operand, vect_init_vector,
8346         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
8347         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
8348         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
8349         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
8350         vect_do_peeling_for_loop_bound): Likewise.
8351
8352         * tree-vect-analyze.c: New file.
8353         * tree-vect-transform.c: New file.
8354
8355 2005-02-17  Jason Merrill  <jason@redhat.com>
8356
8357         PR mudflap/19319, c++/19317
8358         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
8359         slot explicit.
8360
8361 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
8362
8363         * doc/install.texi (Specific): Update link for Darwin-specific
8364         tool binary site.
8365
8366 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
8367
8368         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
8369         constant_boolean_node.
8370
8371 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
8372
8373         PR target/19019
8374         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
8375         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
8376
8377 2005-02-16  Richard Henderson  <rth@redhat.com>
8378
8379         PR 19920
8380         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
8381         with W_TYPE_SIZE.
8382         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
8383         replace uses with Wtype_MAXp1_F.
8384         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
8385         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
8386         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
8387         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
8388         and HAVE_TFMODE as appropriate.
8389         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
8390         (__floatdisf): Likewise.
8391         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
8392         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
8393         (Wtype_MAXp1_F): New.
8394         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
8395         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
8396
8397 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
8398
8399         * PR target/19162
8400         * arm.c (arm_apply_result_size): New function.
8401         * arm.h (APPLY_RESULT_SIZE): Define.
8402         * arm-protos.h (arm_apply_result_size): Add prototype.
8403         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
8404         (movxf): New expand.
8405         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
8406         (call_value_symbol): Remove predicate for operand 0.
8407         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
8408         (untyped_call): Rework to correclty return values for any type.
8409         (untyped_return): New expand.
8410         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
8411
8412 2005-02-16  Stan Shebs  <shebs@apple.com>
8413
8414         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
8415         * config/rs6000/t-darwin8: New, for 64-bit multilib.
8416
8417 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
8418
8419         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
8420         configure settings on Solaris 7 and later.
8421
8422 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
8423
8424         PR tree-optimization/19865
8425         * tree-optimize.c (init_tree_optimization_passes): Run
8426         pass_may_alias after pass_sra.
8427
8428 2005-02-16  Richard Henderson  <rth@redhat.com>
8429             Stuart Hastings  <stuart@apple.com>
8430
8431         PR debug/19521
8432         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
8433         Do nothing if debug info suppressed for this function.
8434         (dbxout_begin_function): Early exit if debug info suppressed for
8435         this function.
8436
8437 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
8438
8439         PR target/20007
8440         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
8441         find_basic_blocks.
8442         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
8443
8444         PR tree-optimization/19967
8445         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
8446         expand_builtin_strchr, expand_builtin_strrchr): Take a new
8447         argument TYPE.  Adjust calls to fold_builtin_XXX.
8448         (expand_builtin, fold_builtin_1): Adjust calls to
8449         expand_builtin_XXX.
8450         (fold_builtin_strchr, fold_builtin_strpbrk,
8451         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
8452         result to a requested type TYPE.
8453
8454 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
8455
8456         PR middle-end/19857
8457         * fold-const.c (fold): Don't optimize (T)(x & cst) to
8458         (T)x & (T)cst if (T)cst overflows.
8459         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
8460         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
8461
8462 2005-02-15  Jeff Law  <law@redhat.com>
8463
8464         * gcse.c (blocks_with_calls): New bitmap.
8465         (alloc_gcse_mem): Allocate it.
8466         (free_gcse_mem): Free it.
8467         (clear_modifY_mem_tables): Clear it.
8468         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
8469         when we encounter CALL_INSNs.
8470         (compute_transp, case MEM): Handle blocks with calls separate
8471         from blocks without calls.  Use bitmap iterators rather than
8472         FOR_EACH_BB.
8473
8474 2005-02-15  Peter O'Gorman  <peter@pogma.com>
8475
8476         PR bootstrap/18810
8477         * mklibgcc.in (vis_hide): Use a temporary object file, not
8478         -o /dev/null.
8479
8480 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
8481
8482         PR target/19924
8483         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
8484         access optimization.
8485
8486 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
8487             Alan Modra  <amodra@bigpond.net.au>
8488
8489         PR target/19019
8490         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
8491         (_xlqsub): Rename to __gcc_qsub.
8492         (_xlqmul): Rename to __gcc_qmul.
8493         (_xlqdiv): Rename to __gcc_qdiv.
8494         Provide versioned symbol aliases with old names.
8495         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
8496         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
8497         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
8498         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
8499         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
8500
8501 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
8502
8503         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
8504         Fold ~(A - 1) and ~(A + -1) to -A.
8505
8506 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
8507
8508         PR pch/14940
8509         PR target/19300
8510         * config/host-linux.c (linux_gt_pch_use_address): Copy from
8511         config/pa/pa-host.c:pa_gt_pch_use_address.
8512
8513 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
8514
8515         * tree-vn.c (get_value_handle): Make sure that given an
8516         is_gimple_min_invariant expression, we always return it.
8517
8518 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
8519
8520         * passes.c (rest_of_handle_gcse): Fix a comment.
8521
8522 2005-02-15  Jeff Law  <law@redhat.com>
8523
8524         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
8525         bitmap.
8526         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
8527         (canon_list_insert, record_last_mem_set_info): Similarly.
8528         (clear_modify_mem_tables): Similarly.
8529
8530 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
8531
8532         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
8533         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
8534         config/mips/mips.md, config/rs6000/aix.h,
8535         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
8536
8537 2005-02-15  Richard Henderson  <rth@redhat.com>
8538
8539         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
8540         call to be best_edge.
8541
8542 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
8543
8544         * basic-block.h: Adjust the prototype for find_basic_blocks.
8545         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
8546         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
8547         find_basic_blocks.
8548
8549         * flow.c (recompute_reg_usage): Remove all arguments.
8550         * passes.c (rest_of_compilation): Adjust the call to
8551         recompute_reg_usage.
8552         * rtl.h: Adjust the prototype for recompute_reg_usage.
8553
8554 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
8555
8556         * tree-dump.c (dump_files): Update to reflect new member
8557         of dump_file_info.
8558         (dump_register): Add new argument.
8559         Set glob name.
8560         (dump_switch_p_1): Check against glob name if doglob was passed.
8561         (dump_switch_p): Check against regular first, then glob if
8562         we didn't have any hits on the dump name.
8563         * tree-optimize.c (register_one_dump_file):
8564         Pass in glob name as well.
8565         * tree-pass.h (struct dump_file_info): Add glob
8566         member.
8567
8568 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
8569
8570         PR preprocessor/16323
8571         * doc/invoke.texi: Document that -Wendif-labels is on by default.
8572
8573 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
8574
8575         PR target/19019
8576         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
8577         (trunctfdf2_internal1): New.
8578         (trunctfdf2_internal2): Renamed from trunctfdf2.
8579
8580 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
8581
8582         PR tree-optimization/19853
8583         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
8584
8585 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
8586
8587         * passes.c (rest_of_handle_loop_optimize): Remove calls to
8588         delete_dead_jumptables and cleanup_cfg.
8589
8590 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
8591
8592         * reload.c (find_reloads): Swap address_reloaded flags when
8593         swapping commutative operands.
8594
8595 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
8596
8597         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
8598         Use standard_iv_increment_position for computing the bsi position
8599         for create_iv.
8600         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
8601         the bsi position.
8602
8603 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
8604
8605         PR target/17428
8606         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
8607         life range of hard registers.
8608         * value-prof.c (insn_prefetch_values_to_profile): Only
8609         scan normal insns.
8610
8611         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
8612         profile in libcalls.
8613
8614 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
8615
8616         * bitmap.h (bitmap_and_compl_into): Return bool.
8617         * bitmap.c (bitmap_and_compl_into): Return changed flag.
8618
8619 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
8620
8621         PR tree-optimization/19944
8622         * fold-const.c (fold): Re-add ABS_EXPR folding.
8623
8624 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
8625
8626         PR target/19019
8627         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
8628         {TARGET,MASK}_XL_COMPAT.
8629         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
8630         MASK_XL_COMPAT.
8631         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
8632         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
8633         TARGET_XL_COMPAT.
8634         (rs6000_arg_partial_bytes): Same.
8635         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
8636         and XL compatibility enabled.
8637         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
8638         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
8639         test to final condition.
8640         (cmptf_internal2): New.
8641         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
8642         xl-compat.  Add TFmode information to description.
8643
8644 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
8645
8646         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
8647
8648 2005-02-13  Jason Merrill  <jason@redhat.com>
8649
8650         PR c++/16405
8651         * fold-const.c (fold_indirect_ref_1): Split out from...
8652         (build_fold_indirect_ref): Here.
8653         (fold_indirect_ref): New fn.
8654         * tree.h: Declare it.
8655         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
8656         (gimplify_modify_expr_rhs): Likewise.
8657         (gimplify_expr): Likewise.
8658
8659 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
8660
8661         PR tree-optimization/14303
8662         PR tree-optimization/15784
8663         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
8664         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
8665         ABS_EXPR<x> != 0 to x != 0.
8666
8667 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
8668
8669         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
8670         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
8671         spelling conventions.
8672
8673         * passes.c (rest_of_handle_gcse): Don't run cse_main and
8674         delete_trivially_dead_insns too many times.
8675
8676         * passes.c (rest_of_handle_gcse): Remove dead assignments to
8677         tem and tem2.
8678
8679 2005-02-12  Ira Rosen  <irar@il.ibm.com>
8680
8681         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
8682         (vect_is_simple_iv_evolution): Remove redundant parameter
8683         and step check.
8684         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
8685         without last parameter.
8686         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
8687         Return pointer step. Call vect_is_simple_iv_evolution without
8688         last parameter. Check only that the step is multiple of size
8689         type. Remove stmt_vinfo updates.
8690         (vect_get_memtag_and_dr): Remove.
8691         (vect_get_memtag): New function.
8692         (vect_address_analysis): New function.
8693         (vect_object_analysis): New function.
8694         (vect_analyze_data_refs): Call vect_object_analysis and
8695         vect_get_memtag. Update stmt_vinfo fields.
8696
8697 2005-02-12  Ira Rosen  <irar@il.ibm.com>
8698
8699         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
8700         exist and are objects. Remove checks for pointer.
8701         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
8702         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
8703         (vect_create_data_ref_ptr): Likewise.
8704         (vect_base_addr_differ_p): New function.
8705         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
8706         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
8707         Don't set the DR_BASE_NAME field of data-ref.
8708         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
8709
8710 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
8711
8712         * optabs.h (enum optab_index): Add new OTI_ldexp.
8713         (ldexp_optab): Define corresponding macro.
8714         * optabs.c (init_optabs): Initialize ldexp_optab.
8715         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
8716         patterns.
8717         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
8718         using ldexp_optab.
8719         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
8720         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
8721
8722         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
8723         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
8724         intrinsics.
8725
8726 2005-02-12  Ira Rosen  <irar@il.ibm.com>
8727
8728         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
8729         to base_address.
8730         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
8731         stmt_vec_info.
8732         (vect_get_base_and_offset): Always return an address.
8733         (vect_create_addr_base_for_vector_ref): Remove treatment for
8734         different data reference types.
8735         (vect_compute_data_ref_alignment): Rename base to base_address in
8736         stmt_vec_info. Get the object in order to force its alignment.
8737         (vect_get_memtag_and_dr): Rename base to base_address in
8738         stmt_vec_info. Extract the object for memtag analysis.
8739
8740 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
8741
8742         PR regression/19898.
8743         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
8744         changes cc_status, use apply modified_in_p to part of cc_status
8745         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
8746         body.
8747
8748 2005-02-11  Richard Henderson  <rth@redhat.com>
8749
8750         * tree-complex.c (expand_complex_libcall): New.
8751         (expand_complex_multiplication): Use it for c99 compliance.
8752         (expand_complex_division): Likewise.
8753         * fold-const.c (fold_complex_add, fold_complex_mult): New.
8754         (fold): Call them.
8755         * builtins.c (built_in_names): Remove const.
8756         * tree.c (build_common_builtin_nodes): Build complex arithmetic
8757         builtins.
8758         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
8759         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
8760         (built_in_names): Remove const.
8761         * c-common.c (c_common_type_for_mode): Handle complex modes.
8762         * flags.h, toplev.c (flag_complex_method): Rename from
8763         flag_complex_divide_method.
8764         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
8765         __mulsc3, __muldc3, __mulxc3, __multc3): New.
8766         * libgcc2.h: Declare them.
8767         * libgcc-std.ver: Export them.
8768         * mklibgcc.in (lib2funcs): Build them.
8769
8770 2005-02-11  Steven Bosscher  <stevenb@suse.de>
8771
8772         PR tree-optimization/19876
8773         Partially revert my change from 2005-01-14
8774         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
8775         (compute_antic): ...and remove the loop here.
8776
8777 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
8778
8779         PR middle-end/19858
8780         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
8781         is number of inner's bits, avoid creating a BIT_FIELD_REF.
8782
8783         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
8784         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
8785
8786 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
8787
8788         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
8789         offsets for the big-endian 32-bit case.
8790
8791 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
8792
8793         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
8794
8795 2005-02-11  Dale Johannesen  <dalej@apple.com>
8796
8797         * cselib.c (cselib_process_insn):  Clear out regs where
8798         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
8799         * reload.c (find_equiv_reg): Ditto.
8800
8801 2005-02-11  Ian Lance Taylor  <ian@airs.com>
8802
8803         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
8804         with no elements.
8805
8806         * tree.c (build_function_type_list): Work correctly if there are
8807         no arguments.
8808
8809 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
8810
8811         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
8812         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
8813         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
8814         TARGET_ZARCH instead of TARGET_64BIT.
8815
8816 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
8817
8818         * config/rs6000/t-rtems:
8819         (MULTILIB_OPTIONS): Remove mcpu=602.
8820         (MUTLILIB_DIRNAMES): Remove m602.
8821         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
8822         Let mcpu=602 match mcpu=603.
8823         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
8824
8825 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8826
8827         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
8828         signal trampolines.
8829
8830 2005-02-10  David Daney  <ddaney@avtrex.com>
8831
8832         * config/alpha/linux-unwind.h: Add exception clause to copyright.
8833         * config/i386/linux-unwind.h: Likewise.
8834         * config/ia64/linux-unwind.h: Likewise.
8835         * config/mips/linux-unwind.h: Likewise.
8836         * config/pa/linux-unwind.h: Likewise.
8837         * config/rs6000/linux-unwind.h: Likewise.
8838         * config/s390/linux-unwind.h: Likewise.
8839         * config/sh/linux-unwind.h: Likewise.
8840         * config/sparc/linux-unwind.h: Likewise.
8841
8842 2005-02-10  Steven Bosscher  <stevenb@suse.de>
8843
8844         PR tree-optimization/17549
8845         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
8846         TER to replace a DEF with its expression if the DEF and the
8847         rhs of the expression we replace into have the same root
8848         variable.
8849
8850 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
8851
8852         * config/mips/mips.md: Fix the placement of the match_scratch in the
8853         lea64 peephole2.
8854
8855 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
8856
8857         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
8858         Fix comment typos.
8859
8860 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
8861
8862         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
8863         (strip_offset): Handle addresses.
8864         (add_address_candidates): Use strip_offset.
8865         (difference_cost): Reflect strip_offset change.
8866         (force_var_cost, difference_cost): Strip nops.
8867
8868 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
8869
8870         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
8871
8872         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
8873         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
8874         config/cris/cris-protos.h, config/cris/cris.c: Update
8875         copyright.
8876
8877 2005-02-10  Jeff Law  <law@redhat.com>
8878
8879         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
8880         (lookup_avail_expr): Similarly.
8881
8882 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
8883
8884         * builtins.c (fold_builtin_powi): New function.
8885         (fold_builtin_1): Call it.
8886
8887 2005-02-10  Steven Bosscher  <stevenb@suse.de>
8888
8889         PR documentation/19309
8890         * doc/cpp.texi: The __GNUC__ and related predefined macros
8891         are also defined for the "standalone" cpp.
8892         Some non-GCC compilers may also define __GNUC__.
8893
8894 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
8895
8896         PR c/19342
8897         * c-typeck.c (common_type): New routine.  Old common_type renamed
8898         to...
8899         (c_common_type): ...this.
8900         (build_conditional_expr, build_binary_op): Use c_common_type instead
8901         of common_type.
8902
8903 2005-02-10  Steven Bosscher  <stevenb@suse.de>
8904
8905         * doc/md.texi: Replace @samp{length} with @code{length}.
8906
8907 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
8908
8909         PR tree-optimization/18687
8910         * tree-flow.h (find_loop_niter): Declare.
8911         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
8912         Try using scev even for loops with more than one exit.
8913         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
8914         (struct ivopts_data): Added niters field.
8915         (struct nfe_cache_elt): New.
8916         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
8917         functions.
8918         (tree_ssa_iv_optimize_init): Initialize niters cache.
8919         (determine_number_of_iterations): Removed.
8920         (find_induction_variables): Do not call determine_number_of_iterations.
8921         Access niters for single exit through niter_for_single_dom_exit.
8922         (add_iv_outer_candidates): Access niters for single exit through
8923         niter_for_single_dom_exit.
8924         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
8925         number_of_iterations_cond.
8926         (iv_period): New function.
8927         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
8928         (may_replace_final_value): Take data argument.  Use
8929         niter_for_single_dom_exit.
8930         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
8931         (rewrite_use_compare): Pass data to may_eliminate_iv.
8932         (rewrite_use_outer): Pass data to may_replace_final_value.
8933         (free_loop_data): Clean up the niters cache.
8934         (tree_ssa_iv_optimize_finalize): Free the niters cache.
8935         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
8936         * tree-ssa-loop-niter.c (find_loop_niter): New function.
8937         (find_loop_niter_by_eval): Use tree_int_cst_lt.
8938         (num_ending_zeros): Moved to tree.c.
8939         * tree.h (num_ending_zeros): Declare.
8940         * tree.c (num_ending_zeros): Moved from tree.c.
8941
8942 2005-02-09  Richard Henderson  <rth@redhat.com>
8943
8944         * builtins.c (DEF_BUILTIN): Add COND argument.
8945         * tree.h (DEF_BUILTIN): Likewise.
8946         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
8947         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
8948         match.
8949         (DEF_BUILTIN_STUB): New.
8950         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
8951         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
8952         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
8953         * c-common.c (DEF_BUILTIN): Add COND argument.
8954         * tree.c (local_define_builtin): New.
8955         (build_common_builtin_nodes): New.
8956
8957 2005-02-09  Roger Sayle  <roger@eyesopen.com>
8958
8959         * fold-const.c (fold_strip_sign_ops): New function to simplify a
8960         floating point expression ignoring the sign of the result.
8961         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
8962         (fold) <MULT_EXPR>: Use it to simplify x*x.
8963         * tree.h (fold_strip_sign_ops): Prototype here.
8964         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
8965         argument.  Use fold_strip_sign_ops to simplify the first argument.
8966         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
8967         first argument when the second argument is an even integer
8968         constant, but only with -funsafe_math_optimizations.
8969         (fold_builtin_1): Update call to fold_builtin_copysign.
8970
8971 2005-02-09  Ian Lance Taylor  <ian@airs.com>
8972
8973         PR middle-end/19583
8974         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
8975         just check whether EH_FILTER_FAILURE falls through.
8976
8977 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
8978
8979         * gcc/haifa-sched.c (schedule_block): Make queued sched group
8980         insns return to ready list in the next turn.
8981
8982 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
8983
8984         PR middle-end/19402
8985         * builtins.def: New __builtin_powi[lf].
8986         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
8987         (expand_builtin_powi): New function.
8988         (expand_builtin): Dispatch to expand_builtin_powi.
8989         * libgcc2.h: Add prototypes for __builtin_powi[lf].
8990         * libgcc2.c: Add __builtin_powi[lf] implementation.
8991         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
8992         * optabs.h: Add powi_optab.
8993         * optabs.c (init_optabs): Initialize powi_optab.
8994         * doc/extend.texi: Document __builtin_powi[lf].
8995
8996 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
8997
8998         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
8999         exists.
9000
9001 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
9002
9003         PR middle-end/19854
9004         * fold-const.c (try_move_mult_to_index): Remove redundant
9005         type argument.  Create ADDR_EXPR with correct type.
9006         (fold): Update callers of try_move_mult_to_index.  Convert
9007         result to the appropriate type.
9008
9009 2005-02-09  Roger Sayle  <roger@eyesopen.com>
9010
9011         PR target/19597
9012         * config/avr/avr.c (default_rtx_costs): Delete.
9013         (avr_operand_rtx_cost): New function.
9014         (avr_rtx_costs): Completely rewrite.
9015
9016 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
9017
9018         PR target/19806
9019         * config/cris/cris.c (in_code): New variable.
9020         (cris_output_addr_const): Now a static function, a wrapper for
9021         output_addr_const.
9022         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
9023         case from old cris_output_addr_const.
9024         (cris_asm_output_label_ref): Similar for LABEL_REF.
9025         (cris_output_addr_const_extra): Similar for UNSPEC.
9026         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
9027         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
9028         * config/cris/cris-protos.h (cris_output_addr_const): Remove
9029         declaration.
9030         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
9031         (cris_asm_output_label_ref): Declare.
9032
9033 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
9034
9035         PR preprocessor/19801
9036         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
9037         filenames that changed when libcpp was moved to the toplevel.
9038
9039 2005-02-07  Roger Sayle  <roger@eyesopen.com>
9040
9041         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
9042         zero extensions of BImode operands.  Call lowpart_subreg instead
9043         of gen_lowpart_common and gen_lowpart_SUBREG.
9044
9045 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
9046
9047         PR ada/19489
9048         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
9049         * configure.ac: Set cc_for_cross_gnattools.
9050         * configure: Regenerate.
9051
9052 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
9053
9054         PR target/19803
9055         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
9056
9057 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
9058
9059         PR debug/19327
9060         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
9061         of nested functions.
9062
9063 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
9064
9065         * doc/extend.texi: Document deprecated extensions allowing
9066         static floating-point members to have initializers and allowing
9067         floating-point literals in integral constant expressions.
9068
9069 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
9070
9071         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
9072         config/darwin7.h, config/mips/mips.c,
9073         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
9074         Update copyright.
9075
9076         * cse.c: Update comments.
9077
9078 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
9079
9080         PR middle-end/19775
9081         * builtins.c (fold_builtin_sqrt): Transform
9082         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
9083         pow(x,y*0.5).
9084
9085 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
9086             Dorit Naishlos  <dorit@il.ibm.com>
9087
9088         * doc/invoke.texi (ftree-vectorizer-verbose): New.
9089         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
9090         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
9091         was added.
9092         * tree.h (vect_set_verbosity_level): New extern function declaration
9093         added.
9094         * tree-vectorizer.h (verbosity_levels): New enum type.
9095         * tree-vectorizer.c (vect_debug_stats): Function removed.
9096         (vect_debug_details): Likewise.
9097         (vect_verbosity_level): Global variable was defined and initialized.
9098         (vect_dump): Global variable definition.
9099         (vect_print_dump_info): New function.
9100         (vect_set_dump_settings): New function.
9101         (vect_set_verbosity_level): New function.
9102         (vectorize_loops): Add call to vect_set_dump_settings.
9103
9104         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
9105         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
9106         (slpeel_tree_peel_loop_to_edge): Likewise.
9107
9108         (vect_analyze_offset_expr): Call to vect_print_dump_info with
9109         appropriate verbosity level instead of call to vect_debug_details
9110         or vect_debug_stats.
9111         (vect_get_base_and_offset):
9112         (vect_create_addr_base_for_vector_ref):
9113         (get_vectype_for_scalar_type):
9114         (vect_create_data_ref_ptr):
9115         (vect_init_vector):
9116         (vect_get_vec_def_for_operand):
9117         (vect_finish_stmt_generation):
9118         (vectorizable_assignment):
9119         (vectorizable_operation):
9120         (vectorizable_store):
9121         (vectorizable_load):
9122         (vect_transform_stmt):
9123         (vect_update_ivs_after_vectorizer):
9124         (vect_do_peeling_for_loop_bound):
9125         (vect_update_inits_of_drs):
9126         (vect_do_peeling_for_alignment):
9127         (vect_transform_loop):
9128         (vect_is_simple_use):
9129         (vect_analyze_operations):
9130         (vect_is_simple_iv_evolution):
9131         (vect_analyze_scalar_cycles):
9132         (vect_analyze_data_ref_dependence):
9133         (vect_analyze_data_ref_dependences):
9134         (vect_compute_data_ref_alignment):
9135         (vect_enhance_data_refs_alignment):
9136         (vect_analyze_data_refs_alignment):
9137         (vect_analyze_data_ref_access):
9138         (vect_analyze_data_ref_accesses):
9139         (vect_analyze_pointer_ref_access):
9140         (vect_get_memtag_and_dr):
9141         (vect_analyze_data_refs):
9142         (vect_mark_relevant):
9143         (vect_stmt_relevant_p):
9144         (vect_mark_stmts_to_be_vectorized):
9145         (vect_can_advance_ivs_p):
9146         (vect_get_loop_niters):
9147         (vect_analyze_loop_form):
9148         (vect_analyze_loop):
9149         (vectorize_loops): Likewise.
9150
9151         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
9152         (vect_update_inits_of_drs):
9153         (vect_do_peeling_for_alignment):
9154         (vect_transform_loop):
9155         (vect_analyze_operations):
9156         (vect_analyze_scalar_cycles):
9157         (vect_analyze_data_ref_dependences):
9158         (vect_analyze_data_refs_alignment):
9159         (vect_analyze_data_ref_accesses):
9160         (vect_analyze_data_refs):
9161         (vect_mark_stmts_to_be_vectorized):
9162         (vect_get_loop_niters):
9163         (vect_analyze_loop_form):
9164         (vect_analyze_loop): Likewise.
9165         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
9166
9167 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
9168
9169         PR bootstrap/19796
9170         Revert:
9171         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
9172         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
9173         either -ffast-math or -funsafe-math-optimizations is in use.
9174
9175         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
9176         * config/mips/irix-csr.c: New file.
9177         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
9178         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
9179         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
9180         executables.
9181
9182 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
9183
9184         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
9185         redundant, incorrect definitions.
9186
9187         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
9188         expand.
9189         ("*tls_indirect_call"): New, reference hard regs directly.
9190         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
9191
9192 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
9193
9194         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
9195         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
9196
9197 2005-02-06  Roger Sayle  <roger@eyesopen.com>
9198
9199         PR rtl-optimization/19800
9200         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
9201         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
9202         gen_lowpart.
9203
9204 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
9205
9206         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
9207
9208 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
9209
9210         PR other/17135
9211         * doc/invoke.texi: Correct documentation of -freorder-functions.
9212
9213 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
9214
9215         PR other/14402
9216         * doc/invoke.texi: Don't mention gccbug.
9217
9218 2005-02-06  Roger Sayle  <roger@eyesopen.com>
9219             Andrew Pinski  <pinskia@physics.uc.edu>
9220             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
9221
9222         * simplify-rtx.c (simplify_relational_operation_1): Simplify
9223         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
9224         into just (zero_extract:SI FOO (const_int 1) BAR).
9225
9226 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
9227
9228         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
9229         macro locally.  Don't give last revision date.  Use GCC version
9230         number from gcc-common.texi.
9231         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
9232         revision date.  Use GCC version number from gcc-common.texi.
9233         Describe being a library as current state rather than as 3.x
9234         history.
9235         * doc/gcc.texi: Remove last update date.
9236         * doc/gccint.texi: Likewise.  Update copyright dates.
9237         * doc/install.texi: Update copyright dates.
9238
9239 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
9240
9241         PR other/7549
9242         * doc/invoke.texi: Mention for each option included in -Wall that
9243         it is included in -Wall.
9244         * doc/gcc.texi: Update copyright and last modification date.
9245
9246 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
9247
9248         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
9249         unnecessary cast to original induction variable increments.
9250
9251 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
9252
9253         PR tree-optimization/18219
9254         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
9255         in distributed form.
9256
9257 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
9258
9259         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
9260         Set bitpos and offset later in the function.  Do nothing if the
9261         target is a register and if the bitfield lies completely outside
9262         that register.
9263         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
9264         here.  Return an uninitialised register if the source value is stored
9265         in a register and the bitfield lies completely outside that register.
9266
9267 2005-02-06  Steven Bosscher  <stevenb@suse.de>
9268
9269         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
9270         not SET_DEST.
9271
9272 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
9273
9274         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
9275
9276 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
9277
9278         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
9279         * config/darwin8.h: New.
9280         * config/darwin7.h: Update comment.
9281
9282 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
9283             Dorit Naishlos  <dorit@il.ibm.com>
9284
9285         * tree-vectorizer.h (LOC): New type.
9286         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
9287         (loop_line_number): New field in struct _loop_vec_info.
9288         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
9289
9290         * tree-vectorizer.c (input.h): Included.
9291         (find_loop_location): New function.
9292         (vect_debug_stats): Argument changed from loop to LOC. Computation of
9293         loop line number removed.
9294         (vect_debug_details): Likewise.
9295         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
9296
9297         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
9298         call to vect_debug_details/stats changed from loop to loop_loc.
9299         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
9300         (slpeel_tree_peel_loop_to_edge): Likewise.
9301
9302         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
9303         changed from NULL to UNKNOWN_LOC.
9304         (vect_get_base_and_offset):
9305         (vect_create_addr_base_for_vector_ref):
9306         (get_vectype_for_scalar_type):
9307         (vect_create_data_ref_ptr):
9308         (vect_init_vector):
9309         (vect_get_vec_def_for_operand):
9310         (vect_finish_stmt_generation):
9311         (vectorizable_assignment):
9312         (vectorizable_operation):
9313         (vectorizable_store):
9314         (vectorizable_load):
9315         (vect_transform_stmt):
9316         (vect_update_ivs_after_vectorizer):
9317         (vect_do_peeling_for_loop_bound):
9318         (vect_do_peeling_for_alignment):
9319         (vect_transform_loop):
9320         (vect_is_simple_use):
9321         (vect_analyze_operations):
9322         (vect_is_simple_iv_evolution):
9323         (vect_analyze_scalar_cycles):
9324         (vect_analyze_data_ref_dependences):
9325         (vect_compute_data_ref_alignment):
9326         (vect_enhance_data_refs_alignment):
9327         (vect_analyze_data_ref_access):
9328         (vect_analyze_data_ref_accesses):
9329         (vect_analyze_pointer_ref_access):
9330         (vect_get_memtag_and_dr):
9331         (vect_analyze_data_refs):
9332         (vect_mark_relevant):
9333         (vect_stmt_relevant_p):
9334         (vect_mark_stmts_to_be_vectorized):
9335         (vect_can_advance_ivs_p):
9336         (vect_get_loop_niters):
9337         (vect_analyze_loop):
9338         (vectorize_loops): Likewise.
9339
9340         (vectorizable_load): Argument in call to vect_debug_details/stats
9341         changed from loop to LOOP_LOC (loop_vinfo).
9342         (vect_transform_loop):
9343         (vect_analyze_operations):
9344         (vect_analyze_scalar_cycles):
9345         (vect_analyze_data_ref_dependence):
9346         (vect_enhance_data_refs_alignment):
9347         (vect_analyze_data_ref_accesses):
9348         (vect_analyze_pointer_ref_access):
9349         (vect_analyze_data_refs):
9350         (vect_analyze_loop): Likewise.
9351
9352         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
9353         changed from loop to loop_loc.
9354
9355         (vect_enhance_data_refs_alignment): Removed unused variable loop.
9356
9357 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
9358             Dorit Naishlos  <dorit@il.ibm.com>
9359
9360         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
9361         declaration added.
9362         (vect_analyze_data_ref_dependences): Likewise.
9363
9364         (vect_is_simple_use): Argument changed from loop structure to
9365         loop_vect_info structure.
9366         (vect_can_advance_ivs_p): Likewise.
9367         (vect_create_index_for_vector_ref): Likewise.
9368         (vect_update_ivs_after_vectorizer): Likewise.
9369         (new_stmt_vec_info): Likewise.
9370
9371         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
9372         changed from loop to loop_vinfo.
9373         (vect_create_data_ref_ptr): First argument in call to
9374         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
9375         (vectorizable_assignment): Second argument in call to vect_is_simple_use
9376         was changed from loop to loop_vinfo.
9377         (vectorizable_operation): Likewise.
9378         (vectorizable_store): Likewise.
9379         (vect_mark_stmts_to_be_vectorized): Likewise.
9380         (vect_do_peeling_for_loop_bound): First argument in call to
9381         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
9382         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
9383         was changed from loop to loop_vinfo.
9384         (vect_analyze_data_ref_dependences): Third argument in call to
9385         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
9386
9387         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
9388         (vect_create_data_ref_ptr): Likewise.
9389         (vect_init_vector): Likewise.
9390         (vect_get_vec_def_for_operand): Likewise.
9391         (vectorizable_assignment): Likewise.
9392         (vectorizable_operation): Likewise.
9393         (vectorizable_store): Likewise.
9394         (vectorizable_load): Likewise.
9395         (vect_update_ivs_after_vectorizer): Likewise.
9396         (vect_is_simple_use): Likewise.
9397         (vect_analyze_data_ref_dependence): Likewise.
9398         (vect_analyze_pointer_ref_access): Likewise.
9399         (vect_can_advance_ivs_p): Likewise.
9400
9401         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
9402         before _stmt_vec_info.
9403         (_stmt_vec_info): Loop field replaced by loop_vec_info.
9404         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
9405         (new_stmt_vec_info): Argument changed from loop structure to
9406         loop_vect_info structure
9407
9408         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
9409         (vect_analyze_offset_expr): Avoid 80 columns overflow.
9410         (vect_create_addr_base_for_vector_ref): Likewise.
9411         (vect_analyze_pointer_ref_access): Likewise.
9412
9413 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
9414
9415         PR tree-opt/19768
9416         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
9417         phi flag if the phi is abnormal.
9418
9419 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
9420
9421         PR tree-opt/19736
9422         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
9423         information for the new statement.
9424
9425 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
9426
9427         PR driver/19117
9428         * gcc.c (main): Include the target in -v output.
9429
9430 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
9431
9432         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
9433         Do not drop the extend if we'd have to add a paradoxical subreg
9434         later.  Include optabs.h and insn-codes.h.
9435         * Makefile.in (combine.o): Depend on $(OPTABS_H).
9436
9437 2005-02-02  Roger Sayle  <roger@eyesopen.com>
9438
9439         PR middle-end/19405
9440         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
9441         * fold-const.c (const_binop): Avoid constant folding floating
9442         point operations in modes that use composite representations.
9443         * simplify-rtx.c (simplify_binary_operation): Likewise.
9444
9445 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
9446
9447         * config/rs6000/altivec.md (altivec_dst): Make the first operand
9448         a REG, not a MEM.
9449         (altivec_dstt): Likewise.
9450         (altivec_dstst): Likewise.
9451         (altivec_dststt): Likewise.
9452         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
9453         of first operand.
9454
9455 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
9456
9457         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
9458         EXPR_LOCUS from orig_cond to the new cond_stmt.
9459         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
9460         the new vec_stmt.
9461
9462 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
9463
9464         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
9465         standard_iv_increment_position. Remove call to bsi_next
9466         (no need to bump the iterator anymore).
9467         (vect_create_index_for_vector_ref): Call
9468         standard_iv_increment_position. Remove second function argument.
9469         (vect_finish_stmt_generation): Remove call to bsi_next
9470         (no need to bump the iterator anymore).
9471         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
9472         to vect_create_index_for_vector_ref.
9473
9474 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
9475
9476         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
9477         phis are used out of the loop.
9478
9479 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
9480
9481         PR c/17807
9482         * c-decl.c (undef_nested_function): New variable.
9483         (pop_scope): Diagnose undefined nested functions.
9484         (finish_function): Don't attempt cgraph processing or genericizing
9485         if current top-level function contained an undefined nested
9486         function.  Reset undef_nested_function at the end of a top-level
9487         function.
9488
9489 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
9490
9491         * tree.c (build_int_cst_type): Take sign of the value into account
9492         when deciding whether sign extend the value.
9493
9494 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
9495
9496         PR c/18502
9497         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
9498         (cpp_options, cc1_options): Change %{std*&ansi} to
9499         %{std*&ansi&trigraphs}.
9500
9501 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
9502
9503         * cse.c: Update comments.
9504
9505 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
9506
9507         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
9508         arguments go on the stack.  Do not put complex doubles in odd/even
9509         pairs.
9510
9511 2005-02-02  Steven Bosscher  <stevenb@suse.de>
9512
9513         * doc/invoke.texi: Update the options enabled at -O1, -O2,
9514         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
9515         -ftree-pre, and -fthread-jumps.
9516
9517 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
9518
9519         PR tree-optimization/19578
9520         * tree-flow.h (modified_noreturn_calls): Declare.
9521         (noreturn_call_p): Declare.
9522         * tree-flow-inline.h (noreturn_call_p): New function.
9523         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
9524         * tree-cfg.c (modified_noreturn_calls): New variable.
9525         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
9526         that contain a mid-block noreturn call.
9527         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
9528
9529 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
9530
9531         * df.c (df_def_record_1, df_uses_record): Don't use
9532         DF_FOR_REGALLOC.
9533         * df.h (DF_FOR_REGALLOC): Remove.
9534
9535 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
9536
9537         PR c/19435
9538         * c-typeck.c (really_start_incremental_init): Reset
9539         constructor_max_index for arrays of incomplete type.
9540
9541 2005-02-02  Jeff Law  <law@redhat.com>
9542
9543         * gcse.c (struct reg_set): Store the block index where the register
9544         was set rather than the setting insn.
9545         (record_one_set, compute_transp): Corresponding changes.
9546         (pre_insert_copy_insn): Do not call replace_one_set.
9547         (replace_one_set): Remove.
9548
9549 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
9550
9551         PR other/15514
9552         * doc/gcov.texi: Fix typo.
9553
9554 2005-02-01  Richard Henderson  <rth@redhat.com
9555
9556         PR target/19680
9557         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
9558         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
9559         type to bool.
9560         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
9561         * config/i386/i386-protos.h: Update.
9562
9563 2005-02-01  Steven Bosscher  <stevenb@suse.de>
9564
9565         PR tree-optimization/19217
9566         * tree-cfg.c (verify_expr): Use the data field to see if TP was
9567         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
9568         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
9569         that it is walking a PHI node.
9570
9571 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
9572
9573         * doc/extend.texi (Nested Functions): Update.
9574
9575 2005-02-01  Richard Henderson  <rth@redhat.com>
9576
9577         PR 19696
9578         * optabs.c (expand_copysign_absneg): Export.
9579         * optabs.h (expand_copysign_absneg): Declare.
9580         * config/rs6000/rs6000.md (copysigntf3): New.
9581
9582 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
9583
9584         PR tree-optimization/19633
9585         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
9586         * tree-ssa-alias.c (init_alias_info): Initialize.
9587         (merge_pointed_to_info): Set.
9588         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
9589         (dump_points_to_info_for): Show value of pt_null.
9590         (struct count_ptr_d): Declare.
9591         (find_ptr_dereference): Remove.
9592         (ptr_is_dereferenced_by): Remove.
9593         (count_ptr_derefs): New local function.
9594         (count_uses_and_derefs): New local function.
9595         (compute_points_to_and_addr_escape): Call it.  If the number
9596         of dereferences is greater than zero, mark the pointer as
9597         dereferenced.  If there are fewer dereferences than uses of
9598         the pointer, the pointer's value escapes.
9599
9600 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
9601
9602         PR tree-optimization/19670
9603         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
9604         here...
9605         (verify_use): ... set it here, instead.
9606
9607 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
9608
9609         * doc/sourcebuild.texi (Test directives): Fix formatting.
9610
9611         * doc/sourcebuild.texi (Test directives): Describe selector
9612         expressions.
9613
9614 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
9615
9616         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
9617         specific 64-bit CPUs.
9618
9619 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
9620
9621         PR target/16201
9622         * arm.c (arm_eliminable_register): New function.
9623         (adjacent_mem_locations): Don't allow eliminable registers.  Use
9624         HOST_WIDE_INT for address offsets.
9625         * arm-protos.h (arm_eliminable_register): Add prototype.
9626
9627 2005-02-01  Steven Bosscher  <stevenb@suse.de>
9628
9629         PR optimization/15242
9630         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
9631         * basic-block.h (duplicate_computed_gotos): Add prototype.
9632         * bb-reorder.c (duplicate_computed_gotos): New function to
9633         duplicate sufficiently small blocks ending in a computed jump.
9634         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
9635         if not optimizing for size.
9636         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
9637         never do tail merging for blocks ending in a computed jump.
9638         * doc/invoke.texi: Document the max-goto-duplication-insns param.
9639
9640 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
9641
9642         Patch from Richard Sandiford <rsandifo@redhat.com>
9643         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
9644         from inheriting a subreg equivalence with a non-spill register.
9645
9646         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
9647
9648 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
9649
9650         * config/frv/frv.c (movcc_fp_destination_operand): New.
9651         (gpr_or_memory_operand): Fix typo in comment.
9652         (gpr_or_memory_operand_with_scratch): New.
9653         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
9654         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
9655         movcc_fp_destination_operand.
9656         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
9657         Legitimize memory addresses using a scratch register.
9658
9659 2005-01-31  Jeff Law  <law@redhat.com>
9660
9661         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
9662         bitmap a sparse bitmap instead of a simple bitmap.
9663         (mark_def_sites_initialize_block):  Corresponding changes.
9664         (ssa_mark_def_sites_initialize_block): Likewise.
9665         (ssa_mark_phi_uses): Likewise.
9666         (mark_def_site, ssa_mark_def_sites): Likewise.
9667         (mark_def_site_blocks): Likewise.
9668         (rewrite_ssa_into_ssa): Likewise.
9669
9670         * tree-ssa-dom.c (record_cond): Pass correct variable type
9671         for last argument to htab_find_slot_with_hash.
9672
9673         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
9674         effects when optimizing 0 % X.  Do not try to optimize X % 0.
9675
9676 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
9677
9678         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
9679         1_mmalua.
9680
9681 2005-02-01  Eric Christopher  <echristo@redhat.com>
9682
9683         * config/mips/mips.c (override_options): Warn if -mint64
9684         is used.
9685         * doc/invoke.texi (MIPS Options): Document that -mint64 is
9686         deprecated.
9687
9688 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
9689
9690         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
9691         timestamp.
9692         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
9693         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
9694         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
9695         (cached_regno): Initialize to INVALID_REGNUM.
9696         (cse_reg_info_table_size,
9697         cse_reg_info_table_first_uninitialized,
9698         cse_reg_info_timestamp): New.
9699         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
9700         get_cse_reg_info.
9701         (init_cse_reg_info, get_cse_reg_info_1): New.
9702         (get_cse_reg_info): Cache the last look-up.
9703         (new_basic_block): Update the code to clear mappings from
9704         registers to cse_reg_info entries.
9705         (cse_main): Call init_cse_reg_info.
9706
9707         * cse.c (get_cse_reg_info): Update a comment.
9708
9709 2005-01-31  Steven Bosscher  <stevenb@suse.de>
9710
9711         PR c/19333
9712         * c-decl.c (start_decl): Do not warn about arrays of elements with
9713         an incomplete type here.
9714         (grokdeclarator): Do it here by making a pedwarn an error.
9715         * c-typeck.c (push_init_level): If there were previous errors with
9716         the constructor type, do not warn about braces for initializers.
9717         (process_init_element): Likewise for excess initializer elements.
9718
9719 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
9720
9721         * cse.c (delete_trivially_dead_insn): Don't iterate.
9722
9723 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
9724
9725         * config/rs6000/rs6000.md (copysignsf3): New expand.
9726         (copysigndf3): Likewise.
9727
9728 2005-01-31  Steven Bosscher  <stevenb@suse.de>
9729
9730         * recog.c (constrain_operands): Only look for earlyclobber operand
9731         conflicts if an '&' constraint was seen.
9732
9733 2005-01-31  Marc Espie <espie@openbsd.org>
9734
9735         * config.gcc: Don't include embedded systems fragment, switches default
9736         debugging format to ELF.
9737         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
9738         longer pick it up there.
9739
9740 2005-01-31  Dale Johannesen  <dalej@apple.com>
9741
9742         * doc/extend.texi (nested functions): Fix linkage description.
9743         Clarify that static is not allowed.
9744
9745 2005-01-31  Dale Johannesen  <dalej@apple.com>
9746
9747         * config/rs6000/darwin.md (movsf_low_di):  Make work.
9748         (movdf_low_di):  Make work.
9749
9750 2005-01-31  Dale Johannesen  <dalej@apple.com>
9751
9752         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
9753         Make work for 64 bit.
9754
9755 2005-01-31  Roger Sayle  <roger@eyesopen.com>
9756             Dale Johannesen  <dalej@apple.com>
9757
9758         PR middle-end/19650
9759         * fold-const.c (fold_binary_op_with_conditional_arg):
9760         Make types match original operands, before STRIP_NOPS.
9761
9762 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
9763
9764         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
9765         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
9766         (struct gcc_sigcontext): Delete.  Merge contents to..
9767         (struct gcc_ucontext): ..here.
9768         (get_sigcontext): Delete.
9769         (get_regs): New function, like get_sigcontext but return regs ptr.
9770         64-bit version finds regs from r1 to support vdso.
9771         (ppc_linux_aux_vector): New function.
9772         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
9773         and vector regs.
9774
9775 2005-01-31  Ira Rosen  <irar@il.ibm.com>
9776
9777         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
9778         sizetype.
9779         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
9780         redundant fold. Fix misalignment for MINUS_EXPR.
9781         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
9782         (vect_analyze_pointer_ref_access): Likewise.
9783         (vect_get_memtag_and_dr): Likewise.
9784
9785 2005-01-31  Richard Henderson  <rth@redhat.com>
9786
9787         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
9788         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
9789         absnegdf2_i387, absnegxf2_i387): Likewise.
9790
9791 2005-01-31  Richard Henderson  <rth@redhat.com>
9792
9793         PR 19696
9794         * optabs.c (expand_copysign_absneg): New.
9795         (expand_copysign_bit): Split out from ...
9796         (expand_copysign): ... here.  Use expand_copysign_absneg.
9797
9798 2005-01-30  Roger Sayle  <roger@eyesopen.com>
9799
9800         PR middle-end/19697
9801         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
9802         constant as the second operand and a register as the third.
9803
9804 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
9805
9806         PR target/19704
9807         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
9808         that dllimport'd functions do not use all call-clobbered registers
9809         to pass parameters.
9810
9811 2005-01-30  Richard Henderson  <rth@redhat.com>
9812
9813         PR 19696
9814         * optabs.c (expand_absneg_bit): Split out from expand_unop and
9815         expand_abs_nojump and generalize.  Use operand_subword and
9816         emit_no_conflict_block.  Support large modes.
9817         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
9818         back to maximum.
9819         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
9820         negation to subtraction.
9821         (expand_copysign): Check that the format has signed zeros.
9822         Use operand_subword and emit_no_conflict_block.  Support large modes.
9823
9824 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
9825
9826         Fix PR tree-optimization/19624
9827
9828         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
9829         * tree-ssa-pre.c: Add cfgloop.h.
9830         Update comment.
9831         (pre_stats): New member, constified.
9832         (inserted_exprs): New static variable.
9833         (NECESSARY): New macro.
9834         (create_expression_by_pieces): Fold the expression, and
9835         mark it as defaulting to not necessary. Also put in
9836         inserted_exprs.
9837         (fully_constant_expression): New function.
9838         (insert_into_preds_of_block): Modify to not insert phis when we
9839         are playing with induction variables.
9840         Push phis onto the inserted_exprs vector, and mark them as not
9841         necessary by default.
9842         (insert_aux): Call fully_constant_expression on eprime.
9843         If all edges produce the same value, mark it constant.
9844         (mark_operand_necessary): New function.
9845         (remove_dead_inserted_code): New function.
9846         (init_pre): Init loop optimizer to get loop info.
9847         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
9848         (execute_pre): Commit edge inserts, then remove dead code.
9849
9850 2005-01-30  Richard Henderson  <rth@redhat.com>
9851
9852         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
9853         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
9854
9855 2005-01-30  Richard Henderson  <rth@redhat.com>
9856
9857         PR target/19700
9858         * config/i386/i386.c (ix86_expand_copysign): New.
9859         (ix86_split_copysign_const): New.
9860         (ix86_split_copysign_var): Rename from ix86_split_copysign,
9861         rearrange op1/nmask operands.
9862         * config/i386/i386-protos.h: Update.
9863         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
9864         (copysigndf3): Likewise.
9865         (copysignsf3_const, copysigndf3_const): New.
9866         (copysignsf3_var): Rename from copysignsf3, split out splitter
9867         and fix split predicate for X constraint.
9868         (copysigndf3_var): Similarly.
9869
9870 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
9871
9872         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
9873         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
9874         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
9875
9876 2005-01-29  Richard Henderson  <rth@redhat.com>
9877
9878         PR target/19690
9879         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
9880         of # and * in constraints.
9881
9882 2005-01-29  Richard Henderson  <rth@redhat.com>
9883
9884         PR middle-end/19689
9885         * expr.c (store_field): Don't strip sub-mode cast when the input
9886         data is even smaller.
9887
9888 2005-01-29  Richard Henderson  <rth@redhat.com>
9889
9890         PR middle-end/19687
9891         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
9892         union being empty.
9893
9894 2005-01-29  Richard Henderson  <rth@redhat.com>
9895
9896         * combine.c (make_field_assignment): Fix argument order
9897         to gen_int_mode.
9898
9899 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
9900
9901         PR tree-optimization/15791
9902         * fold-const.c (extract_array_ref): New function.
9903         (fold): Fold comparisons between &a[i] and &a[j] or
9904         semantically equivalent trees.
9905
9906 2005-01-29  Jeff Law  <law@redhat.com>
9907
9908         * gcse.c (insert_expr_in_table): Revamp handling of available
9909         and anticipatable occurrence lists to avoid unnecessary list
9910         walking.
9911         (insert_set_in_table): Similarly.
9912
9913 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
9914
9915         * c-common.c (fix_string_type): Just use c_build_qualified_type to
9916         build string type.
9917         (c_build_qualified_type): Build qualified array types with
9918         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
9919         * c-decl.c (c_make_fname_decl): Build unqualified array type
9920         before qualified type.
9921         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
9922         type is qualified, not just if type itself is.  Don't apply
9923         qualifiers to array type when declarator is processed.  Apply
9924         qualifiers to field type whether or not it is an array type.
9925         Don't handle array types specially for applying qualifiers to
9926         variables.
9927         * c-typeck.c (composite_type): Build unqualified element type and
9928         array type when forming composite of array types.
9929         (common_pointer_type, comptypes, comp_target_types,
9930         type_lists_compatible_p, build_indirect_ref, build_array_ref,
9931         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
9932         types.
9933         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
9934         (args2) in variables a1 and a2.
9935
9936 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
9937
9938         * cse.c (n_elements_made, max_elements_made): Remove.
9939         (insert): Don't touch n_elements_made.
9940         (cse_main): Don't touch n_elements_made or max_elements_made.
9941
9942 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
9943
9944         PR target/15384
9945         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
9946         configuration part of dp-bit.c to be lost.
9947
9948 2005-01-28  Roger Sayle  <roger@eyesopen.com>
9949
9950         * expmed.c (expand_mult_highpart_optab): When attempting to use
9951         a non-widening multiplication in a wider mode, the operands need
9952         to be converted (zero or sign extended) to that mode.
9953
9954 2005-01-28  Ian Lance Taylor  <ian@airs.com>
9955
9956         PR middle-end/16558
9957         PR middle-end/19583
9958         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
9959         through if both operands fall through.
9960
9961 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
9962
9963         * cse.c (fold_rtx) <PC>: Don't optimize.
9964
9965 2005-01-28  Jeff Law  <law@redhat.com>
9966
9967         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
9968         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
9969
9970 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
9971
9972         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
9973         cse_reg_info_used_list_end): Remove.
9974         (cse_reg_info_list, cse_reg_info_list_free): New.
9975         (get_cse_reg_info): When allocating an instance of
9976         cse_reg_info, add it to the beginning of the cse_reg_info_list
9977         list.  Remove code to maintain cse_reg_info_used_list.
9978         (new_basic_block): Reset the free list to the beginning of
9979         cse_reg_info_list.
9980
9981 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
9982
9983         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
9984         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
9985         (frv_expand_mdpackh_builtin): New function.
9986         (frv_expand_builtin): Use it to expand __MDPACKH.
9987         * doc/extend.texi (__MDPACKH): Update documentation.
9988
9989 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
9990
9991         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
9992         SSE_FLOAT_MODE_P for use_sse computation.
9993
9994 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
9995
9996         PR target/19663
9997         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
9998
9999 2005-01-27  Richard Henderson  <rth@redhat.com>
10000
10001         * builtins.c (expand_builtin_copysign): New.
10002         (expand_builtin): Call it.
10003         * genopinit.c (optabs): Add copysign_optab.
10004         * optabs.c (init_optabs): Initialize it.
10005         (expand_copysign): New.
10006         * optabs.h (OTI_copysign, copysign_optab): New.
10007         (expand_copysign): Declare.
10008
10009         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
10010         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
10011
10012         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
10013         (ix86_expand_fp_absneg_operator): ... here.
10014         (ix86_split_copysign): New.
10015         * config/i386/i386-protos.h: Update.
10016         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
10017         (copysignsf3, copysigndf3): New.
10018
10019         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
10020         (copysignsf3, ncopysignsf3): New.
10021         (copysigndf3, ncopysigndf3): New.
10022         (copysignxf3, ncopysignxf3): New.
10023         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
10024
10025 2005-01-27  Arend Bayer  <arend.bayer@web.de>
10026             Kazu Hirata  <kazu@cs.umass.edu>
10027
10028         * cse.c: (find_best_addr): Don't call copy_rtx before calling
10029         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
10030         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
10031         NULL_RTX.
10032
10033 2005-01-27  Jeff Law  <law@redhat.com>
10034
10035         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
10036         definitions of SSA_NAMEs which are not being rewritten.
10037         (rewrite_ssa_into_ssa): Only initialize the current definition
10038         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
10039         If checking is enabled, assert that SSA_NAME_AUX is clear for all
10040         SSA_NAMEs before returning.
10041
10042 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
10043
10044         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
10045         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
10046         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
10047         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
10048         config/mips/iris6.h, config/sh/sh.c: Update copyright.
10049
10050 2005-01-27  Steven Bosscher  <stevenb@suse.de>
10051
10052         PR middle-end/17278
10053         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
10054         higher to -O2 and higher.  Likewise for tree PRE.
10055         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
10056         and better.
10057
10058 2005-01-27  Ian Lance Taylor  <ian@airs.com>
10059
10060         PR middle-end/19583
10061         * gimple-low.c (try_catch_may_fallthru): New static function.
10062         (block_may_fallthru): Handle TRY_CATCH_EXPR.
10063         * tree-inline.c (expand_call_inline): Don't warn about reaching
10064         the end of a non-void function being inlined if the function uses
10065         a return slot.
10066
10067 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
10068
10069         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
10070
10071         PR c/18946
10072         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
10073         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
10074         (implicitly_declare): Handle error_mark_node.
10075
10076 2005-01-27  Richard Henderson  <rth@redhat.com>
10077
10078         PR tree-opt/14329
10079         * tree.h (struct tree_decl): Add debug_expr_is_from.
10080         (DECL_DEBUG_EXPR_IS_FROM): New.
10081         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
10082         * dwarf2out.c (dwarf2out_var_location): Update to match.
10083         * tree-outof-ssa.c (create_temp): Likewise.
10084         * var-tracking.c (track_expr_p): Likewise.
10085         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
10086         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
10087         * toplev.c (default_tree_printer): Likewise.
10088
10089 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
10090
10091         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
10092         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
10093
10094 2005-01-27  Steven Bosscher  <stevenb@suse.de>
10095
10096         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
10097         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
10098         ASM_CLOBBERS): Add tree checks.
10099
10100         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
10101         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
10102         * c-common.def (SWITCH_STMT): Update to match.
10103         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
10104         macros instead of SWITCH_EXPR ones.
10105         * c-dump.c (c_dump_tree): Likewise.
10106         * c-gimplify.c (gimplify_switch_stmt): Likewise.
10107         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
10108
10109         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
10110
10111 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
10112
10113         * unwind-dw2.c (execute_stack_op): Add missing cases for
10114         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
10115
10116 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
10117
10118         * config.gcc (Obsolete configurations): Remove 'dummy', add
10119         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
10120         sparc-*-openbsd*.
10121
10122 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
10123
10124         PR tree-optimization/19633
10125         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
10126         CALL_EXPRs.
10127         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
10128         are no call-clobbered variables.
10129         * tree-outof-ssa.c (check_replaceable): Return false for calls
10130         with side-effects.
10131
10132 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
10133
10134         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
10135         even for variables with NULL DECL_INITIAL.
10136
10137 2005-01-26  Stuart Hastings  <stuart@apple.com>
10138
10139         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
10140
10141 2005-01-26  Richard Henderson  <rth@redhat.com>
10142
10143         PR middle-end/18008
10144         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
10145         field's type.
10146         * expr.c (store_field): Strip conversions to odd-bit-sized types
10147         if the destination field width matches.
10148
10149 2005-01-26  Richard Henderson  <rth@redhat.com>
10150
10151         * c-decl.c, expmed.c, expr.c: Revert last change.
10152
10153 2005-01-26  Richard Henderson  <rth@redhat.com>
10154
10155         PR middle-end/18008
10156         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
10157         field's type.
10158         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
10159         if we don't need the bits above those present in the current mode.
10160         * expr.c (store_field): Strip conversions to odd-bit-sized types
10161         if the destination field width matches.
10162
10163 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
10164
10165         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
10166         either -ffast-math or -funsafe-math-optimizations is in use.
10167
10168 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
10169
10170         PR target/19293
10171         PR target/19329
10172         * config/avr/avr.c (notice_update_cc): Only set condition code for
10173         ashrqi3 if shift count > 0.
10174         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
10175         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
10176         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
10177         count <= 0 as a no-op, and shift count >= width by copying zero
10178         or sign bit to all bits of the result.
10179         * config/avr/avr.md (all shifts): Add alternatives for zero shift
10180         count, with attribute "length" set to 0 and "cc" set to "none".
10181
10182 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
10183
10184         * doc/invoke.texi: Document -mTLS.
10185
10186         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
10187         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
10188         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
10189         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
10190         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
10191         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
10192         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
10193         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
10194
10195         * configure.ac: Check for a TLS capable gas.
10196
10197         * configure: Regenerate.
10198
10199 2005-01-26  Richard Henderson  <rth@redhat.com>
10200
10201         PR middle-end/18008
10202         * combine.c (make_field_assignment): Simplify store to zero_extract
10203         from a source with an overlapping mask.
10204
10205 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
10206
10207         2004-11-11  Eric Christopher  <echristo@redhat.com>
10208
10209         * config/frv/frv.md: Add fr400_integer automaton. Don't
10210         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
10211         to TYPE_MACC.
10212
10213 2005-01-26  Steven Bosscher  <stevenb@suse.de>
10214
10215         PR middle-end/16585
10216         * cfgbuild.c (make_edges): Do not clear or set
10217         current_function_has_computed_jump.
10218         * function.h (struct function): Remove the has_computed_jump field.
10219         (current_function_has_computed_jump): Do not define.
10220         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
10221         in a computed jump.  Ignore current_function_has_computed_jump.
10222
10223 2005-01-26  Richard Henderson  <rth@redhat.com>
10224
10225         PR middle-end/19515
10226         * expr.c (categorize_ctor_elements): New argument p_must_clear.
10227         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
10228         fully initialized.
10229         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
10230         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
10231         objects into static storage if they have more than one non-zero value.
10232         * tree.h (categorize_ctor_elements): Update decl.
10233
10234 2005-01-26  Steven Bosscher  <stevenb@suse.de>
10235
10236         PR middle-end/19616
10237         * tree.h (CALL_EXPR_TAILCALL): Add comment.
10238         * calls.c (check_sibcall_argument_overlap_1): Revert the change
10239         to this function from 2004-07-10.
10240         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
10241         the current function for tail call optimizations if the address
10242         of one of it its arguments is taken.
10243
10244 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
10245
10246         * cse.c (fold_rtx): Call equiv_constant only when necessary.
10247
10248 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
10249
10250         * function.c (expand_function_end): If current_function_calls_alloca,
10251         emit stack restore in a place that is reached when the function falls
10252         through at the end.
10253
10254 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
10255
10256         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
10257         rule to avoid matching inappropriate suffix rule.
10258
10259 2005-01-26  Jan Hubicka  <jh@suse.cz>
10260
10261         PR tree-optimization/19241
10262         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
10263
10264 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
10265
10266         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
10267         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
10268         of doubling.
10269         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
10270         <sim*>: Always use crt1.o, regardless of N in simN.
10271         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
10272         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
10273         (CRT_CALL_STATIC_FUNCTION): Remove.
10274         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
10275         use crt1.o, regardless of N in simN.
10276         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
10277         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
10278         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
10279         case isystem setting.
10280         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
10281
10282 2005-01-25  Ian Lance Taylor  <ian@airs.com>
10283
10284         * gimple-low.c (block_may_fallthru): Correct handling of
10285         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
10286
10287 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
10288
10289         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
10290         handlers to match indentation; nested under the mtune=* handler.
10291         Similar for mcpu= and march=.
10292
10293 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
10294
10295         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
10296         * config/mips/linux64.h (LIB_SPEC): Likewise.
10297         * config/mn10300/linux.h (LIB_SPEC): Likewise.
10298         * config/sh/linux.h (LIB_SPEC): Likewise.
10299
10300 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
10301
10302         * config/frv/frv.c (frv_legitimize_tls_address): New.
10303         (TARGET_HAVE_TLS): Define.
10304         (FRV_SYMBOL_REF_TLS_P): Define.
10305         (frv_override_options): Handle new register classes.
10306         (frv_legitimate_address_p): Reject tls addresses.
10307         (frv_legitimize_address): Handle TLS addresses.
10308         (gen_inlined_tls_plt): New.
10309         (gen_tlsmoff): New.
10310         (frv_legitimize_tls_address): New.
10311         (unspec_got_name): Add TLS entries.
10312         (got12_operand): Add R_FRV_TLSMOFF12 case.
10313         (frv_emit_move): Fixup TLS addresses.
10314         (frv_emit_movsi): Legitimize TLS addresses.
10315
10316         * config/frv/frv.h (MASK_BIG_TLS): New.
10317         (TARGET_BIG_TLS): New.
10318         (HAVE_AS_TLS): Define.
10319         (TARGET_SWITCHES): Add -mTLS and -mtls options.
10320         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
10321         (REG_CLASS_NAMES): Same.
10322         (REG_CLASS_CONTENTS): Same.
10323         (CONSTRAINT_LEN): New.
10324         (REG_CLASS_FROM_CONSTRAINT): New.
10325         (PREDICATE_CODES): Add symbolic_operand.
10326
10327         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
10328         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
10329         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
10330         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
10331         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
10332         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
10333         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
10334         GR9_REG, GR14_REG, LRREG.
10335         (type): Add load_or_call attribute.
10336         ("load_or_call"): New reservation.
10337         ("call_gettlsoff"): New.
10338         ("tls_indirect_call"): New.
10339         ("tls_load_gottlsoff12"): New.
10340         ("tlsoff_hilo"): New.
10341         ("tls_tlsdesc_ldd"): New.
10342         ("tls_tlsoff_ld"): New.
10343         ("tls_lddi"): New.
10344
10345         * config/frv/frv-protos.h (symbolic_operand): Protoize.
10346
10347         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
10348
10349         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
10350         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
10351         * config/frv/frv.c (TLS_BIAS): Define.
10352         (frv_output_dwarf_dtprel): New.
10353
10354 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
10355
10356         PR rtl-optimization/19579
10357         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
10358         both A and B, see if they don't clobber registers the other expr uses.
10359
10360 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
10361
10362         * real.c (do_add): Initialize signalling and canonical members.
10363
10364         * real.c (real_from_integer): Zero out destination.
10365
10366 2005-01-18  Jan Hubicka  <jh@suse.cz>
10367
10368         PR tree-optimize/19337
10369         * tree-inline.c (initialize_inlined_parameters): Copy
10370         saved_static_chain_decl only.
10371
10372 2005-01-25  Richard Henderson  <rth@redhat.com>
10373
10374         PR target/19556
10375         PR target/19584
10376         * config/i386/i386.c (x86_inter_unit_moves): Zero.
10377         (ix86_preferred_reload_class): Rewrite fp-constant section, with
10378         80387 enabled, to return a proper subclass.  Return the subset that
10379         overlaps with GENERAL_REGS for PLUS.
10380         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
10381
10382 2005-01-25  Richard Henderson  <rth@redhat.com>
10383
10384         PR middle-end/19609
10385         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
10386
10387 2005-01-25  Roger Sayle  <roger@eyesopen.com>
10388
10389         * expmed.c (choose_multiplier): Change interface to return the
10390         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
10391         (expand_divmod): Update calls to choose_multiplier.
10392
10393 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10394
10395         PR middle-end/19330
10396         * expmed.c (extract_bit_field): Use adjust_address instead of
10397         gen_lowpart when op0 is a MEM.
10398
10399 2005-01-24  Steven Bosscher  <stevenb@suse.de>
10400
10401         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
10402
10403 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
10404
10405         * config/mips/irix-csr.c: New file.
10406         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
10407         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
10408         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
10409         executables.
10410
10411 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
10412
10413         PR bootstrap/19364
10414         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
10415         sparc/elf.h, add sparc/sp-elf.h.
10416         (sparc-*-rtems*): Likewise.
10417         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
10418         tm-dwarf2.h, add sparc/sp-elf.h.
10419         (sparc86x-*-elf): Likewise.
10420         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
10421         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
10422         TARGET_OS_CPP_BUILTINS.
10423         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
10424         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
10425         Undefine it.
10426         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
10427         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
10428         (SWITCH_TAKES_ARG): Likewise.
10429         (LOCAL_LABEL_PREFIX): Likewise.
10430         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
10431         (TARGET_N_FORMAT_TYPES): Delete.
10432         (TARGET_FORMAT_TYPES): Likewise.
10433         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
10434         * config/sparc/elf.h: Delete.
10435         * config/sparc/sp-elf.h: New file.
10436
10437 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
10438
10439         * tree-flow-inline.h (phi_arg_from_edge): Remove.
10440         * tree-flow.h: Remove the corresponding prototype.
10441         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
10442         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
10443
10444 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
10445
10446         PR target/17751
10447         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
10448         for AIX ABI or ELF -fPIC.
10449         (rs6000_emit_load_toc_table): Don't create toc_section here.
10450         (rs6000_xcoff_file_start): Nor here.
10451
10452 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
10453
10454         * sh.c (ra.h): Don't #include.
10455         (hard_regs_intersect_p): New function, resurrected from ra.c.
10456
10457         * sh.c: Fix 1996 Copyright.
10458
10459 2005-01-24  Richard Henderson  <rth@redhat.com>
10460             Aldy Hernandez  <aldyh@redhat.com>
10461
10462         * regrename.c (note_sets): Handle subregs.
10463
10464 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
10465
10466         PR bootstrap/18058
10467         * genconditions.c (write_header, write_conditions): Elide file if
10468         not GCC >= 3.0.1.
10469
10470 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
10471
10472         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
10473         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
10474         Update copyright.
10475
10476 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
10477
10478         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
10479         expand_builtin_printf, expand_builtin_fprintf,
10480         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
10481         checking against POINTER_TYPE.
10482         (validate_arglist): Handle POINTER_TYPE code by checking
10483         POINTER_TYPE_P.
10484
10485 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
10486
10487         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
10488         init_rtlanal): New.
10489         (for_each_rtx): Call for_each_rtx_1.
10490         * rtl.h (init_rtlanal): Declare.
10491         * toplev.c (backend_init): Call init_rtlanal.
10492
10493 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
10494
10495         * flow.c (propagate_one_insn): Formatting.
10496
10497         PR middle-end/19551
10498         * flow.c (libcall_dead_p): Be more conservative if unsure.
10499         If there are any instructions between insn and call, see if they are
10500         all dead before saying the libcall is dead.
10501
10502 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
10503
10504         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
10505         operand constraint for operand 0.
10506
10507 2005-01-23  Richard Henderson  <rth@redhat.com>
10508
10509         PR 19486
10510         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
10511         edges leading to join block.
10512
10513 2005-01-23  Roger Sayle  <roger@eyesopen.com>
10514
10515         * expmed.c (expand_mult_highpart): Make static.  Change type of
10516         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
10517         (expand_divmod): Updates calls to expand_mult_highpart by using
10518         gen_int_mode to pass a CONST_INT rtx.
10519         * rtl.h (expand_mult_highpart): Remove prototype.
10520
10521 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
10522
10523         * flow.c (regset_bytes, regset_size): Remove.
10524
10525         * cfganal.c: Fix a reference to Harvey's paper.
10526
10527 2005-01-23  Steven Bosscher  <stevenb@suse.de>
10528
10529         PR rtl-optimization/19464
10530         * tree-optimize.c (init_tree_optimization_passes): Add one more
10531         copyrename pass just before out-of-ssa.
10532
10533 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
10534
10535         PR bootstrap/18058
10536         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
10537         * ggc-none.c (ggc_free): Define.
10538
10539 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
10540
10541         * cse.c (max_reg, max_insn_uid): Remove.
10542         (cse_main): Don't access max_reg or max_insn_uid.
10543
10544         * c-common.c (explicit_flag_signed_bitfields,
10545         lang_statement_code_p, lang_expand_function_end): Remove.
10546         * c-common.h: Remove the corresponding declarations.
10547         * c-opts.c (c_common_handle_option): Remove all write access
10548         to explicit_flag_signed_bitfields.
10549
10550         * cgraph.c (cgraph_varpool_n_nodes): Remove.
10551         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
10552         * cgraph.h: Remove the corresponding declaration.
10553
10554         * gcse.c (null_pointer_info): Remove.
10555
10556 2005-01-23  Roger Sayle  <roger@eyesopen.com>
10557             Eric Botcazou  <ebotcazou@libertysurf.fr>
10558
10559         * combine.c (simplify_logical): Only simplify logical expressions
10560         of the form ior(and(x,y),z) by the inverse distributive law if the
10561         result is cheaper than the original.
10562
10563 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
10564
10565         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
10566         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
10567         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
10568         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
10569         config/freebsd-spec.h, config/arm/arm.h,
10570         config/h8300/h8300.md, config/i386/i386.md,
10571         config/i386/predicates.md, config/i386/sse.md,
10572         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
10573         config/vax/vax.md: Fix comment typos.  Follow spelling
10574         conventions.
10575
10576 2005-01-23  Steven Bosscher  <stevenb@suse.de>
10577
10578         * gengtype.c (walk_type): Produce `not equal to' compares for loop
10579         tests, instead of `less than'.
10580
10581 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
10582
10583         * function.c (assign_parm_setup_block): When creating a new stack slot
10584         for a parameter, get its alignment from the parameter's DECL_ALIGN
10585         rather than the type's TYPE_ALIGN.  Make sure that the parameter
10586         is at least word aligned.
10587
10588 2005-01-22  Roger Sayle  <roger@eyesopen.com>
10589
10590         PR middle-end/19378
10591         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
10592
10593 2005-01-22  Richard Henderson  <rth@redhat.com>
10594
10595         PR target/19506
10596         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
10597         in both compare operands.
10598         (movdfcc_1_sse_max): Likewise.
10599         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
10600         (movdfcc_1_sse): Likewise.
10601         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
10602         scratch register as needed.
10603
10604 2005-01-22  Richard Henderson  <rth@redhat.com>
10605
10606         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
10607
10608         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
10609
10610 2005-01-22  Richard Henderson  <rth@redhat.com>
10611
10612         * genopinit.c (optabs): Use smin/smax for floating point too.
10613         * doc/md.texi: Update to match.  Clarify that floating point
10614         results are undefined for +0/-0 and NaN.
10615         * doc/rtl.texi: Likewise.
10616         * rtl.def (SMIN, SMAX): Likewise
10617         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
10618
10619         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
10620         leading 's' to the name.
10621         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
10622         smaxxf3, sminxf3): Likewise.
10623         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
10624         Likewise.
10625
10626 2005-01-22  Paul Brook  <paul@codesourcery.com>
10627
10628         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
10629
10630 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
10631
10632         * config/s390/s390.c (struct processor_costs): New fields
10633         dlgr, dlr, dr, dsgfr, dsgr.
10634         (z900_cost, z990_cost): Values for new fields.
10635         (s390_rtx_costs): New cases MEM und COMPARE in switch
10636         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
10637         DIV, MOD, UDIV, UMOD.
10638
10639 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
10640
10641         * config/s390/s390.md ("doloop_si64"): Reload input value directly
10642         into the register being decremented.
10643         ("doloop_si31", "doloop_di"): Likewise.
10644         ("*doloop_si_long"): Adapt pattern.
10645
10646 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
10647
10648         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
10649         access registers.
10650         (CLASS_MAX_NREGS): Likewise.
10651
10652 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
10653
10654         * doc/tree-ssa.texi (Statement Operands): Add example for new
10655         must-def macro. Note deprecation of old operands interface.
10656
10657 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
10658
10659         PR tree-optimization/19484
10660         * tree-cfg.c (remove_fallthru_edge): New function.
10661         (cleanup_control_flow): Remove fallthru edges from calls that are
10662         now known not to return.
10663
10664 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
10665
10666         Fix PR tree-optimization/19038
10667         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
10668         copies with loop variant ones.
10669
10670 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
10671
10672         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
10673         config/alpha/alpha-protos.h, config/alpha/alpha.h,
10674         config/alpha/alpha.md, config/alpha/predicates.md,
10675         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
10676         config/sparc/sol2.h: Update copyright.
10677
10678         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
10679         first label to see if it is a nonlocal label.
10680
10681 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
10682             Andrew Pinski  <pinskia@physics.uc.edu>
10683
10684         PR target/19491
10685         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
10686         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
10687
10688 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
10689
10690         * config/rs6000/rtems.h: Update copyright.
10691
10692 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
10693
10694         PR target/19548
10695         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
10696         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
10697         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
10698
10699 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
10700
10701         PR c/18809
10702         * c-typeck.c (convert_arguments): Check for error_mark_node.
10703
10704 2005-01-21  Ian Lance Taylor  <ian@airs.com>
10705
10706         PR tree-optimization/13000
10707         * tree-inline.c: Include "tree-flow.h".
10708         (expand_call_inline): If warn_return_type, warn if non-void inline
10709         function falls through.
10710         * tree-cfg.c (execute_warn_function_return): Don't warn about
10711         control reaching end if TREE_NO_WARNING is set.  Set
10712         TREE_NO_WARNING.
10713         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
10714         has been lowered.
10715         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
10716         branch if we don't need one.
10717         * c-typeck.c: Include "tree-flow.h"
10718         (c_finish_bc_stmt): Don't add a goto if the current statement
10719         list doesn't fall through to the current point.
10720
10721 2005-01-21  Roger Sayle  <roger@eyesopen.com>
10722
10723         PR rtl-optimization/576
10724         * real.c (real_arithmetic): Change return type from void to bool
10725         to return an indication that the result may be inexact.
10726         * real.h (real_arithmeric): Update prototype.
10727         * fold-const.c (const_binop):  Don't constant fold floating
10728         point expressions when the user specifies -frounding-math and
10729         the result may depend upon the run-time rounding mode.
10730         (fold_convert_const_real_from_real): Clean-up.
10731         (fold_initializer): Ignore flag_rounding_math for initializers.
10732         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
10733         constant fold FP operations with flag_rounding_math if the
10734         result may depend upon the run-time rounding mode.
10735
10736 2005-01-21  Tom Tromey  <tromey@redhat.com>
10737
10738         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
10739
10740 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
10741
10742         * tree-cfg.c: Fix comment typos.
10743
10744 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
10745
10746         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
10747         around the call to rest_of_handle_branch_target_load_optimize.
10748
10749 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
10750
10751         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
10752         (sparc64-*-openbsd*): Likewise.
10753         (sparclite-*-elf*): Include tm-dwarf2.h.
10754         (sparc86x-*-elf*): Likewise.
10755         (sparc64-*-elf*): Likewise.
10756         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
10757         (DBX_DEBUGGING_INFO): Likewise.
10758         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
10759         (PREFERRED_DEBUGGING_TYPE): Likewise.
10760         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
10761         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
10762         (PREFERRED_DEBUGGING_TYPE): Likewise.
10763         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
10764         (PREFERRED_DEBUGGING_TYPE): Likewise.
10765         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
10766
10767 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
10768
10769         PR target/18701
10770         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
10771
10772 2005-01-20  Paul Brook  <paul@codesourcery.com>
10773
10774         * doc/rtl.texi: Document value extension requirements for CONST_INT.
10775
10776 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
10777
10778         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
10779         label is first in a sequence of labels.
10780
10781         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
10782
10783 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
10784             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
10785
10786         * doc/sourcebuild.texi (Test Directives): New.
10787
10788 2005-01-20  Roger Sayle  <roger@eyesopen.com>
10789
10790         * real.c (real_floor): Don't leave the result uninitialized when
10791         mode is VOIDMode, but return the unrounded intermediate value.
10792         (real_ceil): Likewise.
10793
10794 2005-01-20  Paul Brook  <paul@codesourcery.com>
10795
10796         * config/arm/arm.md (insv): Use gen_int_mode.
10797
10798 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
10799
10800         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
10801         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
10802         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
10803         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
10804         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
10805
10806 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
10807
10808         Fix PR debug/19124
10809         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
10810         fbreg, so we have to assume we can't.
10811         (loc_descriptor_from_tree_1): Ditto.
10812         (containing_function_has_frame_base): New function.
10813         (add_location_or_const_value_attribute): Use it.
10814         Also try to generate a frame_base from a single element location
10815         list.
10816
10817 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
10818
10819         PR tree-optimization/15349
10820         * timevar.def (TV_TREE_MERGE_PHI): New.
10821         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
10822         PHI_WANTED.
10823         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
10824         calls to tree_forwarder_block_p.
10825         (remove_forwarder_block_with_phi, merge_phi_nodes,
10826         gate_merge_phi, pass_merge_phi): New.
10827         * tree-optimize.c (init_tree_optimization_passes): Add
10828         pass_merge_phi.
10829         * tree-pass.h: Add an extern for pass_merge_phi;
10830
10831 2005-01-20  Richard Henderson  <rth@redhat.com>
10832
10833         PR target/19418
10834         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
10835         (_mm_castps_pd, _mm_castps_si128): New.
10836         (_mm_castsi128_ps, _mm_castsi128_pd): New.
10837
10838 2005-01-20  Richard Henderson  <rth@redhat.com>
10839
10840         PR target/19530
10841         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
10842         __builtin_ia32_vec_init_v2si.
10843         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
10844         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
10845         (ix86_init_mmx_sse_builtins): Create it.
10846         (ix86_expand_builtin): Expand it.
10847         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
10848         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
10849         (vec_extractv2si_0, vec_extractv2si_1): New.
10850
10851 2005-01-20  Richard Henderson  <rth@redhat.com>
10852
10853         PR target/16533
10854         * config/i386/i386.c (ix86_expand_push): New.
10855         * config/i386/mmx.md (push<MMXMODE>1): New.
10856         * config/i386/sse.md (push<SSEMODE>1): New.
10857         * config/i386/i386-protos.h: Update.
10858
10859 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
10860
10861         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
10862         copyright.
10863
10864 2005-01-20  Richard Henderson  <rth@redhat.com>
10865
10866         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
10867         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
10868
10869 2005-01-19  Richard Henderson  <rth@redhat.com>
10870
10871         PR target/19350
10872         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
10873         to V4SFmode in SSE1 fallback load path.
10874
10875 2005-01-19  Richard Henderson  <rth@redhat.com>
10876
10877         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
10878         in QImode expansion to ix86_expand_vector_set.
10879         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
10880
10881 2005-01-19  Richard Henderson  <rth@redhat.com>
10882
10883         PR target/19511
10884         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
10885         subclass of the input class.
10886         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
10887         Always true for cross-SSE1 classes.  Rationalize conditionals.
10888         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
10889         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
10890         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
10891         (movdi_2): Add MMX/SSE zeros.
10892         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
10893         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
10894         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
10895         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
10896         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
10897         (zero_extendsidi2_rex64_1): Remove.
10898         (MOV0 peephole): Check GENERAL_REG_P.
10899
10900 2005-01-19  Richard Henderson  <rth@redhat.com>
10901
10902         PR target/19427
10903         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
10904         shufps elements.
10905         (ix86_expand_vector_extract): Likewise.
10906
10907 2005-01-19  Richard Henderson  <rth@redhat.com>
10908
10909         PR middle-end/19304
10910         * expr.c (emit_move_change_mode): New argument force; use
10911         simplify_gen_subreg if true.
10912         (emit_move_via_alt_mode): Merge into ...
10913         (emit_move_via_integer): ... here.
10914         (emit_move_ccmode): Use emit_move_change_mode directly.
10915
10916 2005-01-19  Richard Henderson  <rth@redhat.com>
10917
10918         PR target/19518
10919         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
10920         (alpha_preferred_reload_class): Handle CONST_VECTOR.
10921         (alpha_emit_set_const_1): Add no_output parameter; don't emit
10922         rtl if true.
10923         (alpha_emit_set_const): Likewise.  Make static.
10924         (alpha_emit_set_long_const): Make static.
10925         (alpha_extract_integer): Split out from alpha_expand_mov.
10926         (alpha_split_const_mov): Likewise.
10927         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
10928         (alpha_legitimate_constant_p): New.
10929         * config/alpha/alpha-protos.h: Update.
10930         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
10931         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
10932         * config/alpha/alpha.md (movsi): Add n alternative.
10933         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
10934         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
10935         (splitters for all of the above): Use alpha_split_const_mov.
10936         * config/alpha/predicates.md (non_add_const_operand): New.
10937         (non_zero_const_operand): New.
10938         (input_operand): Use alpha_legitimate_constant_p after reload.
10939
10940 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
10941
10942         PR tree-optimization/19038
10943         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
10944         (add_candidate): Add ivs with increment in latch only if
10945         allow_ip_end_pos_p is true.
10946         (determine_iv_cost): Use empty_block_p.
10947
10948 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
10949
10950         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
10951         (compute_dominance_frontiers): Ditto.
10952
10953 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
10954
10955         PR target/19529
10956         * config/sh/t-rtems: New.
10957         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
10958
10959 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
10960
10961         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
10962         the offset of the selected field.
10963
10964 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
10965
10966         * tree-cfg.c (remove_forwarder_block): Fix the check to
10967         prevent a nonlocal label from appearing in the middle of a
10968         basic block.
10969
10970 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
10971
10972         PR rtl-optimization/19462
10973         * reorg.c (find_end_label): Create return insn only if
10974         current_function_epilogue_delay_list is empty.
10975
10976 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
10977
10978         * doc/passes.texi: Remove paragraph mentioning new-ra.
10979
10980 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
10981
10982         PR rtl-optimization/15139
10983         * combine.c: Include params.h.
10984         (count_rtxs): New function.
10985         (record_value_for_reg): If replace_rtx would replace at least
10986         2 occurrences of REG in VALUE and TEM is really large, replace REG with
10987         (clobber (const_int 0)) instead of TEM.
10988         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
10989         * params.h (MAX_LAST_VALUE_RTL): New.
10990         * Makefile.in (combine.o): Depend on $(PARAMS_H).
10991         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
10992
10993         PR c/17297
10994         * c-typeck.c (digest_init): Only call build_vector if all constructor
10995         elements are *_CST nodes.
10996         * gimplify.c (gimplify_init_constructor): Likewise.
10997
10998         PR middle-end/19164
10999         * c-typeck.c (digest_init): Only call build_vector if inside_init
11000         is a CONSTRUCTOR.
11001
11002 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
11003
11004         * toplev.c (init_asm_output): Remove dead #ifdef.
11005
11006 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
11007
11008         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
11009
11010 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
11011
11012         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
11013         accessing DECL_FUNCTION_CODE.
11014         * dojump.c (do_jump): Likewise.
11015         * gimplify.c (gimplify_call_expr): Likewise.
11016         * predict.c (expr_expected_value): Likewise.
11017         (strip_builtin_expect): Likewise.
11018         * tree-inline.c (estimate_num_insns_1): Likewise.
11019         * tree-ssa-loop-im.c (stmt_cost): Likewise
11020         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
11021         (tree_expr_nonnegative_p): Likewise.
11022
11023 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
11024
11025         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
11026         variant of the load_pcrel_sym pattern.
11027         * config/sparc/sparc.md (P macro): Move to the top.
11028         (load_pcrel_sym): Macroize using P.
11029         (save_register_window): Likewise.
11030
11031 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
11032
11033         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
11034         ("sordered"): Same.
11035
11036 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
11037
11038         PR C/19472
11039         * c-typeck.c (build_asm_expr): Strip nops off
11040         input memory operands.
11041
11042 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
11043
11044         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
11045         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
11046         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
11047         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
11048
11049 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
11050
11051         PR target/19379
11052         * config/i386/i386.c (override_options): If the 80387 is disabled,
11053         then do not return FP values using FP registers.
11054
11055 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
11056
11057         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
11058         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
11059         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
11060         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
11061         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
11062         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
11063         output.h, postreload-gcse.c, postreload.c, recog.c,
11064         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
11065         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
11066         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
11067         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
11068         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
11069         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
11070         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
11071         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
11072
11073         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
11074         config/alpha/alpha.c, config/arm/vfp.md,
11075         config/i386/emmintrin.h, config/i386/i386-modes.def,
11076         config/i386/i386-protos.h, config/i386/i386.h,
11077         config/i386/pmmintrin.h, config/i386/ppro.md,
11078         config/i386/predicates.md, config/i386/xmmintrin.h,
11079         config/i860/i860.c, config/ia64/ia64-modes.def,
11080         config/ia64/ia64-protos.h, config/ia64/ia64.h,
11081         config/ia64/ia64.md, config/ia64/itanium1.md,
11082         config/ia64/itanium2.md, config/ia64/predicates.md,
11083         config/iq2000/iq2000.h, config/mips/linux64.h,
11084         config/rs6000/aix41.h, config/rs6000/aix43.h,
11085         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
11086         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
11087         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
11088         config/sparc/linux64.h, config/sparc/litecoff.h,
11089         config/sparc/sp64-elf.h, config/sparc/sparc.c,
11090         config/sparc/sparc.h, config/sparc/sparc.md,
11091         config/sparc/sysv4-only.h: Update copyright.
11092
11093 2005-01-18  Richard Henderson  <rth@redhat.com>
11094
11095         PR target/19496
11096         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
11097
11098 2005-01-18  Marc Espie  <espie@openbsd.org>
11099         * config/i386/openbsdelf.h: Typo.
11100
11101 2005-01-18  Richard Henderson  <rth@redhat.com>
11102
11103         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
11104         special case for sse.
11105         * config/i386/predicates.md (sse_comparison_operator): Likewise.
11106
11107 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
11108
11109         * tree-inline.c (estimate_num_insns_1): Added cases for
11110         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
11111
11112 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
11113
11114         PR rtl-optimization/19296
11115         * combine.c (simplify_comparison): Rewrite the condition under
11116         which a non-paradoxical SUBREG of a PLUS can be lifted when
11117         compared against a constant.
11118
11119 2005-01-18  Andi Kleen <ak@muc.de>
11120
11121         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
11122         * c.opt (-Wpointer-sign): Add.
11123         * doc/invoke.texi: (-Wpointer-sign): Add.
11124
11125 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
11126
11127         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
11128         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
11129         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
11130         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
11131         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
11132         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
11133         for TARGET_MIX_SSE_I387.
11134         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
11135         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
11136         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
11137         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
11138         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
11139         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
11140         TARGET_MIX_SSE_I387.
11141         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
11142         from expander.
11143
11144 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
11145
11146         PR target/19424
11147         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
11148         Add movaps alternative for xmm reg->reg move.
11149
11150 2005-01-17  Jeff Law  <law@redhat.com>
11151
11152         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
11153         at the end of the main DOM loop rather than just before DOM exits.
11154
11155 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
11156
11157         PR tree-optimization/19121
11158         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
11159         adding aliases to a name tag, also add them to the pointer's
11160         type tag.
11161         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
11162         sensitive alias info at all.  Only check that the two pointers
11163         have compatible pointed-to sets.
11164         * tree-ssa.c (verify_name_tags): Verify that the alias set of
11165         a pointer's type tag is a superset of the alias set of the
11166         pointer's name tag.
11167
11168 2005-01-17  James E Wilson  <wilson@specifixinc.com>
11169
11170         PR target/19357
11171         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
11172         comment to document why.
11173
11174 2005-01-17  Richard Henderson  <rth@redhat.com>
11175
11176         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
11177         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
11178         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
11179         sse2_vmsminv2df3_finite): New.
11180         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
11181         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
11182         Force op1 into register.
11183
11184 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
11185
11186         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
11187         bubblestrap from always rebuilding build directory.
11188
11189 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
11190
11191         * config/s390/s390.md ("*clc"): Remove incorrect '='.
11192         ("*cmpmem_short"): Likewise.
11193
11194 2005-01-17  Steven Bosscher  <stevenb@suse.de>
11195
11196         * basic-block.h: Document BB_* flags.
11197         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
11198         use an sbitmap instead.
11199         * sched-rgn.c (compute_trg_info): Likewise.
11200
11201 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
11202
11203         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
11204         redundant target_cpu_default and extra_parts lines.  Use the default
11205         "from-abi" ISA.
11206         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
11207         (SUBTARGET_EXTRA_SPECS): Delete.
11208         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
11209         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
11210         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
11211         and "n32" for -mabi=n32.
11212
11213 2005-01-17  Ian Lance Taylor  <ian@airs.com>
11214
11215         PR c/5675
11216         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
11217         fold constant variables into initial values.
11218
11219 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
11220
11221         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
11222
11223         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
11224         through the statements backward.
11225
11226 2005-01-17  Ian Lance Taylor  <ian@airs.com>
11227
11228         PR middle-end/13127:
11229         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
11230         a variable set to the return value of the inlined function.
11231
11232 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
11233
11234         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
11235         when modes are tieable.
11236
11237 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
11238
11239         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
11240         of pthread_create to find out if threads are enabled.
11241         * gthr-posix95.h (__gthread_active_p): Likewise.
11242
11243 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
11244
11245         * common.opt (-fnew-ra): Remove.
11246         * ra*.*: Remove.
11247         * toplev.h (flag_new_regalloc): Remove.
11248         * Makefile.in (ra*.*): Don't mention.
11249         * passes.c (rest_of_handle_new_regalloc): Remove.
11250         (rest_of_handle_combine, rest_of_compilation): Always consider
11251         flag_new_regalloc as false.
11252         * doc/invoke.texi: Don't document -fnew-ra.
11253
11254 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
11255
11256         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
11257         last parameter to reg_scan.
11258         * loop.c (loop_optimize): Likewise.
11259         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
11260         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
11261         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
11262         rest_of_handle_gcse, rest_of_handle_loop_optimize,
11263         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
11264         * regclass.c (reg_scan): Likewise, for the declaration.
11265         * rtl.h (reg_scan): Likewise, for the prototype.
11266
11267 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
11268
11269         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
11270         mark_dfs_back_edges.
11271
11272 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
11273
11274         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
11275         (compute_avail): Uses don't go in tmp_gen.
11276
11277 2005-01-16  Steven Bosscher  <stevenb@suse.de>
11278
11279         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
11280         loop to look for a free slot in a page entry.
11281
11282 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11283
11284         PR target/16304
11285         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
11286         * toplev.c (compile_file): Call process_pending_assemble_output_defs
11287         just before targetm.asm_out.file_end.
11288         * tree.h (process_pending_assemble_output_defs): Declare.
11289         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
11290         New functions.
11291         (assemble_alias): Defer generation of assembly code for defines when
11292         TARGET_DEFERRED_OUTPUT_DEFS is true.
11293         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
11294         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
11295         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
11296
11297 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11298
11299         PR target/19336
11300         * pa.c (pa_scalar_mode_supported_p): New function.
11301         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
11302         * pa.h (MIN_UNITS_PER_WORD): Add comment.
11303
11304         * pa-protos.h (prefetch_operand): Delete.
11305         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
11306         * pa.c (prefetch_operand): Delete.
11307         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
11308         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
11309         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
11310         and prefetch_nocc_operand.
11311         * pa.md (prefetch): Rework to avoid reload problems handling short
11312         displacements when a cache control completer needs to be provided.
11313         (prefetch_32, prefetch_64): Delete.
11314         (prefetch_cc, prefetch_nocc): New patterns.
11315
11316 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
11317
11318         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
11319
11320 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11321
11322         PR ada/19388
11323         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
11324         exceeds maximum alignment for global common data.
11325         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
11326         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
11327
11328 2004-01-15  Roger Sayle  <roger@eyesopen.com>
11329
11330         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
11331
11332 2004-01-15  Roger Sayle  <roger@eyesopen.com>
11333
11334         * harg-reg-set.h (reg_class_names): Prototype global array.
11335         * regclass.c (reg_class_names): Declare here and initialize to
11336         REG_CLASS_NAMES.
11337         (dump_regclass): Remove local declaration of reg_class_names.
11338         (regclass): Likewise.
11339         * cfg.c (dump_flow_info): Likewise.
11340         * ra-debug.c (reg_class_names): Likewise.
11341         * regrename.c (reg_class_names): Likewise.
11342         * reload.c (reg_class_names): Likewise.
11343         * reload1.c (spill_failure): Likewise.
11344         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
11345
11346 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
11347
11348         * config/s390/s390.md ("reload_outti"): Remove predicate for
11349         output operand.  Abort if operand is not a MEM.
11350         ("reload_outdi", "reload_outdf"): Likewise.
11351
11352 2005-01-15  Marc Espie  <espie@openbsd.org>
11353
11354         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
11355         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
11356         * config/openbsd.h:  Fix C++ includes for native configurations.
11357         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
11358         Add trampoline support.
11359         * config/i386/openbsdelf.h: New.
11360
11361 2005-01-15  Marc Espie  <espie@openbsd.org>
11362
11363         * collect2.c (main): Explicitly parse -dynamic-linker option.
11364
11365 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
11366
11367         PR tree-optimization/19060
11368         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
11369         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
11370         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
11371         and handle extract_range_from_cond returning false.
11372         * fold-const.c (fold): Optimize comparisons with min/max even for
11373         width > HOST_BITS_PER_WIDE_INT.
11374
11375 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
11376
11377         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
11378         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
11379         Remove little endian multilib variants.
11380         Add mips32 multilib variant.
11381
11382 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
11383
11384         * explow.c (copy_all_reg, stabilize): Remove.
11385         * expr.h: Remove the corresponding prototypes.
11386
11387         * rtlanal.c (regs_set_between_p): Remove.
11388         * rtl.h: Remove the corresponding prototype.
11389
11390 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
11391
11392         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
11393         to rs6000_nonimmediate_operand.
11394         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
11395         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
11396         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
11397         rs6000_nonimmediate_operand.
11398         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
11399         rs6000_nonimmediate_operand.
11400
11401 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
11402
11403         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
11404
11405 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
11406
11407         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
11408         on e500v2.
11409         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
11410         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
11411
11412         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
11413         (rs6k_nonimmediate_operand): New.
11414         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
11415         correctly.
11416         (legitimate_lo_sum_address_p): Same.
11417         (rs6000_legitimize_address): Same.
11418         (rs6000_legitimize_reload_address): Same.
11419         (rs6000_legitimate_address): Same.
11420         (spe_build_register_parallel): Pass DF and DC modes in a DI
11421         register.
11422
11423         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
11424         to rs6k_nonimmediate_operand.
11425
11426         * config/rs6000/spe.md ("*frob_df_di"): New.
11427         ("*frob_di_df"): New.
11428         ("*frob_di_df_2"): New.
11429         ("*mov_sidf_e500_subreg0"): New.
11430         ("*mov_sidf_e500_subreg4"): New.
11431         ("*movdf_e500_double"): Change predicate to
11432         rs6k_nonimmediate_operand.
11433
11434 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
11435
11436         * postreload.c (move2add_note_store): Only call
11437         trunc_int_for_mode on scalar integers.
11438
11439 2005-01-14  Steven Bosscher  <stevenb@suse.de>
11440
11441         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
11442         replace BB_VISITED uses.
11443         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
11444         (propagate_necessity): Check the bitmap instead of BB_VISITED.
11445         (tree_dce_done): Free visited_control_parents.
11446         (perform_tree_ssa_dce): Allocate and clear it.
11447         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
11448         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
11449         instead of BB_VISITED.
11450
11451 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
11452
11453         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
11454         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
11455         Remove unused prototypes.
11456
11457 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
11458
11459         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
11460         64-bit register usage.
11461         (spe_func_has_64bit_regs_p): Add FIXME note.
11462
11463 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
11464
11465         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
11466         flag_finite_math_only with flag_unsafe_math_optimizations.
11467
11468 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
11469
11470         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
11471         end-of-stack check.
11472         (__tpf_eh_return): Copy TPF private stack area from the module
11473         boundary stack frame.  Add check for when module addresses are
11474         equal, but no stub address is found.
11475
11476 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
11477
11478         PR target/7525
11479         * arm.h (struct machine_function): Add call_via field.
11480         (thumb_call_via_label): Declare.
11481         * arm.c (thumb_call_via_label): New variable.
11482         (thumb_call_reg_needed): New variable.
11483         (arm_output_function_epilogue): For Thumb code, output any per-function
11484         call-indirect trampolines.
11485         (thumb_call_via_reg): New function.
11486         (arm_file_end): New function.
11487         (TARGET_ASM_FILE_END): Call arm_file_end.
11488         (aof_file_end): Likewise.
11489         * arm-protos.h (thumb_call_via_reg): Declare.
11490         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
11491         thumb_call_via_reg in normal case.
11492
11493 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
11494
11495         PR middle-end/19084
11496         PR rtl-optimization/19348
11497         * recog.c (peephole2_optimize): Do global life update if some peephole
11498         decides it doesn't need at least one of its inputs and that change
11499         influences liveness at the start of the basic block.
11500
11501         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
11502         arguments instead of 1.
11503
11504 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
11505
11506         PR middle-end/18820
11507         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
11508         zero for nested functions needing a static chain or functions
11509         with a non-constant address.
11510
11511 2005-01-13  Roger Sayle  <roger@eyesopen.com>
11512
11513         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
11514         (and (sign_extend X) C) into (zero_extend (and X C)).
11515
11516 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
11517
11518         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
11519
11520 2005-01-13  Richard Henderson  <rth@redhat.com>
11521
11522         PR target/19009
11523         PR target/19250
11524         PR target/19252
11525         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
11526         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
11527         not just TARGET_SSE.
11528         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
11529         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
11530         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
11531         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
11532         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
11533         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
11534         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
11535         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
11536         (movdicc_c_rex64): Rename with '*'.
11537         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
11538         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
11539         (movsfcc_1_387): Rename from movsfcc_1.
11540         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
11541         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
11542         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
11543         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
11544         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
11545         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
11546         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
11547         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
11548         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
11549         sse_movdfcc_const0_4): Remove.
11550         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
11551         recognize min/max early.  Update for changed sse cmove patterns.
11552         (ix86_split_sse_movcc): New.
11553         * config/i386/i386-protos.h: Update.
11554
11555 2005-01-13  Steven Bosscher  <stevenb@suse.de>
11556
11557         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
11558         (fix_stmt_v_may_defs): Likewise.
11559
11560 2005-01-13  Richard Henderson  <rth@redhat.com>
11561
11562         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
11563         for converting the mask.
11564
11565 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
11566
11567         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
11568         definition to 600.
11569
11570 2005-01-13  Richard Henderson  <rth@redhat.com>
11571
11572         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
11573         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
11574         IX86_BUILTIN_MOVDQ2Q): Remove.
11575         (IX86_BUILTIN_VEC_EXT_V4SI): New.
11576         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
11577         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
11578         shuffling.
11579         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
11580         (sse2_pextrw): Fix immediate constraint.
11581         (sse2_loadq, sse2_loadq_rex64): Remove.
11582         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
11583         Use __builtin_ia32_vec_ext_<size>.
11584         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
11585
11586 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
11587
11588         * function.c (assign_parm_setup_block): Look inside original
11589         entry_parm when inspecting PARALLEL.
11590
11591 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
11592             Joel Sherrill  <joel@oarcorp.com>
11593
11594         PR target/19399
11595         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
11596         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
11597         rtems_gxx_recursive_mutex_init.
11598         (__gthread_recursive_mutex_lock): New function.
11599         (__gthread_recursive_mutex_trylock): Likewise.
11600         (__gthread_recursive_mutex_unlock): Likewise.
11601
11602 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
11603
11604         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
11605
11606 2005-01-13  Jan Beulich  <jbeulich@novell.com>
11607
11608         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
11609         (ashrti3_internal): Indicate output is early clobber. Generate result
11610         into output rather than first input. Use move for low word of output
11611         if shift count is exactly 64.
11612         (lshrti3_internal): Likewise.
11613
11614 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
11615
11616         PR target/18329
11617         PR target/18330
11618         * reload1.c (delete_output_reload): Don't delete an output reload
11619         if the pseudo lives longer than a single basic block.  Adjust and
11620         improve wording of comment.
11621
11622 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
11623
11624         PR target/19334
11625         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
11626         of TYPE_SIZE where we mean the number of bytes.
11627
11628 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
11629
11630         * function.c (assign_parm_setup_block): Relax condition on
11631         multi-register optimization.
11632
11633 2005-01-12  Nick Clifton  <nickc@redhat.com>
11634
11635         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
11636         an "in_delay_slot" attribute of "no" to prevent them being used in
11637         delay slots.  This is forbidden because they might generate
11638         exceptions.
11639
11640 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
11641
11642         PR target/19389
11643         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
11644         with r->Y and Y->r.
11645
11646 2005-01-12  Nick Clifton  <nickc@redhat.com>
11647
11648         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
11649         passed on to GAS) but do not define, as GAS no longer supports or
11650         needs the -m2000 option.
11651
11652 2005-01-11  Roger Sayle  <roger@eyesopen.com>
11653
11654         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
11655         type as args of unprototyped builtins aren't automatically promoted.
11656         (fold_builtin_abs): Likewise.
11657
11658 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11659
11660         * Makefile.in: Set a `build-warn' variable.
11661
11662 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
11663
11664         PR tree-optimization/17949
11665         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
11666         (find_interesting_uses_address): Use it.
11667
11668 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
11669
11670         * regrename.c (kill_value): Handle subreg's that won't simplify.
11671
11672 2005-01-11  Richard Henderson  <rth@redhat.com>
11673
11674         PR target/13366
11675         * config/i386/i386.h (enum ix86_builtins): Move ...
11676         * config/i386/i386.c: ... here.
11677         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
11678         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
11679         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
11680         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
11681         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
11682         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
11683         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
11684         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
11685         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
11686         IX86_BUILTIN_LOADDDUP): Remove.
11687         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
11688         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
11689         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
11690         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
11691         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
11692         (ix86_init_builtins): Make static.
11693         (ix86_init_mmx_sse_builtins): Update for changed builtins.
11694         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
11695         if all the modes match.  Otherwise, fake it.
11696         (get_element_number, ix86_expand_vec_init_builtin,
11697         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
11698         (ix86_expand_builtin): Make static.  Update for changed builtins.
11699         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
11700         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
11701         (ix86_expand_vector_init_duplicate): New.
11702         (ix86_expand_vector_init_low_nonzero): New.
11703         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
11704         Split out from ix86_expand_vector_init; handle integer modes.
11705         (ix86_expand_vector_init): Use them.
11706         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
11707         * config/i386/i386-protos.h: Update.
11708         * config/i386/predicates.md (reg_or_0_operand): New.
11709         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
11710         (movv2sf_internal): Likewise.  And a splitter to match them all.
11711         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
11712         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
11713         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
11714         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
11715         (mmx_pinsrw): Fix operand ordering.
11716         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
11717         rather than sse_loadss expander.
11718         (movv2df splitter): Similarly.
11719         (sse_loadss, sse_loadlss): Remove.
11720         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
11721         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
11722         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
11723         (sse3_movddup): Rename with '*'.
11724         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
11725         (sse2_loadsd): Remove.
11726         (vec_dupv2df_sse3): Rename from sse3_loadddup.
11727         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
11728         (sse2_pinsrw): Fix argument ordering.
11729         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
11730         (sse2_stored): Remove 'r' destination.
11731         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
11732         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
11733         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
11734         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
11735         vec_extractv16qi, vec_initv16qi): New.
11736
11737         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
11738         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
11739         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
11740         constructor form.
11741         (_mm_load_pd, _mm_store_pd): Use plain dereference.
11742         (_mm_load_si128, _mm_store_si128): Likewise.
11743         (_mm_load1_pd): Use _mm_set1_pd.
11744         (_mm_load_sd): Use _mm_set_sd.
11745         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
11746         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
11747         (_mm_set_epi64): Use _mm_set_epi64x.
11748         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
11749         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
11750         _mm_setr_epi8): Use _mm_set_foo form.
11751         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
11752         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
11753         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
11754         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
11755         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
11756         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
11757         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
11758         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
11759         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
11760         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
11761         (_mm_movedup_pd): Use _mm_shuffle_pd.
11762         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
11763         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
11764         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
11765         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
11766         Use _mm_setzero_ps.
11767         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
11768         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
11769         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
11770         (_mm_store_ps): Use raw dereference.
11771         (_mm_store1_ps): Use _mm_storeu_ps.
11772         (_mm_storer_ps): Use _mm_store_ps.
11773         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
11774         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
11775
11776 2005-01-11  Stan Shebs  <shebs@apple.com>
11777
11778         * config/rs6000/rs6000.c (machopic_output_stub): Issue
11779         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
11780
11781 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
11782
11783         PR target/18761
11784         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
11785         Skip all DECLs except for FIELD_DECLs.
11786
11787 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
11788
11789         * config/s390/s390.c (override_options): Return error if
11790         -mbackchain, -mpacked-stack and -mhard-float are used together.
11791         (s390_va_start): Remove the backchain && packed-stack special case.
11792         (s390_gimplify_va_arg): Likewise.
11793         * doc/invoke.texi: Remove the ABI incompatibility note.
11794
11795 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
11796
11797         * config/s390/s390.c (struct s390_frame_layout): Remove
11798         save_backchain_p.
11799         (s390_frame_info, s390_emit_prologue): Replace occurrences of
11800         save_backchain_p with TARGET_BACKCHAIN.
11801
11802 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
11803
11804         PR target/18916
11805         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
11806         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
11807         * function.c (locate_and_pad_parm): Set new field.
11808         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
11809         Tweak where_pad test to include "none".  Always set mem align for
11810         stack_parm.
11811         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
11812         not sufficient for type.
11813         (assign_parm_setup_block): If stack_parm is zero on entry, always
11814         make a new stack local.  Block move old stack parm if necessary
11815         to new aligned stack local.
11816         (assign_parm_setup_stack): Use a block move to handle
11817         potentially misaligned entry_parm.
11818         (assign_parms_unsplit_complex): Specify required alignment when
11819         creating stack local.
11820         * calls.c (compute_argument_addresses): Override alignment of stack
11821         arg calculated from its type with the alignment given by
11822         FUNCTION_ARG_BOUNDARY.
11823         (store_one_arg): Likewise.
11824
11825 2005-01-11  Jan Beulich  <jbeulich@novell.com>
11826
11827         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
11828         Change respective itanium_class attribute to ialu.
11829         (shladdp4_internal): New.
11830         * config/ia64/predicates.md (shladd_log2_operand): New.
11831
11832 2005-01-11  Richard Henderson  <rth@redhat.com>
11833
11834         * expr.c (store_constructor): Use rtvec_alloc instead of
11835         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
11836
11837 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
11838
11839         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
11840
11841 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
11842
11843         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
11844         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
11845         (TARGET_RWRELOC): Define.
11846         (ia64_rwreloc_section_type_flags): Delete.
11847         (ia64_section_type_flags): New function.
11848         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
11849         (TARGET_RWRELOC): Define.
11850
11851 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
11852
11853         PR target/18987
11854         * config/ia64/ia64.c (process_set): For alloc insn, only call
11855         process_epilogue is !frame_pointer_needed.
11856
11857 2005-01-10  Roger Sayle  <roger@eyesopen.com>
11858
11859         PR c++/19355
11860         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
11861         unary operator and can't be treated as a binary/comparison operator.
11862
11863 2005-01-10  Richard Henderson  <rth@redhat.com>
11864
11865         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
11866         (ix86_return_in_memory): Likewise.
11867         (function_arg_advance):  Likewise.  Mirror structure in function_arg
11868         for choosing register to advance.
11869
11870 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
11871
11872         * tree-vectorizer.c, tree.def: Fix comment typos.
11873
11874 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
11875
11876         * config/s390/s390.c (struct processor_costs): 4 new fields:
11877         ddbr, ddr, debr, der.
11878         (s390_rtx_costs): More precise handling of divide instructions.
11879
11880 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
11881
11882         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
11883
11884 2005-01-10  Jan Beulich  <jbeulich@novell.com>
11885
11886         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
11887         names resulting from -ffunction-sections/-fdata-sections and linkonce
11888         ones.
11889         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
11890         based on the section name. Rearrange the section name comparison logic
11891         slightly so that each section name is compared against at most once.
11892
11893 2005-01-10  Ben Elliston  <bje@au.ibm.com>
11894
11895         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
11896         targets for which -fPIC reduces limitations on the GOT size.
11897
11898 2005-01-09  Falk Hueffner  <falk@debian.org>
11899
11900         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
11901         X/C1 cmpop C2.
11902
11903 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
11904
11905         PR target/18720
11906         * collect2.c (main): Set aixrtl_flag for -brtl option.
11907         (resolve_lib_name): Search for .so file extension before .a
11908         if aixrtl_flag set.
11909
11910 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
11911
11912         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
11913         (vect_analyze_data_refs_alignment): Add dump prints.
11914
11915 2005-01-09  Ira Rosen  <irar@il.ibm.com>
11916
11917         * tree-vectorizer.c (vect_analyze_offset_expr): Use
11918         expr_invariant_in_loop_p.
11919         Initialize outputs first thing in the function.
11920         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
11921         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
11922         (vect_analyze_pointer_ref_access): Check that the initial condition of
11923         the access function is loop invariant.
11924
11925 2005-01-09  Richard Henderson  <rth@redhat.com>
11926
11927         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
11928         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
11929         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
11930         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
11931         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
11932         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
11933         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
11934         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
11935         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
11936         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
11937         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
11938         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
11939         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
11940         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
11941         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
11942         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
11943         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
11944         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
11945         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
11946         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
11947         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
11948         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
11949         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
11950         mmx_ prefix.
11951         (mmx_clrdi, pavgusb): Remove.
11952         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
11953         with leading sse_ prefix.
11954         * config/i386/sse.md: Receive them.
11955         * config/i386/mmx.md: New file.
11956         (MMXMODE12, MMXMODE24, mmxvecsize): New.
11957         (subrv2sf3): Turn into expander for normal subtraction.
11958         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
11959         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
11960         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
11961         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
11962         commutative; use ix86_binary_operator_ok.
11963         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
11964         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
11965         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
11966         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
11967         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
11968         Macroize from existing patterns; use ix86_binary_operator_ok.
11969         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
11970         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
11971         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
11972         with vec_select+vec_concat.
11973         (mmx_pshufw, mmx_pshufw_1): Likewise.
11974         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
11975         (mmx_uavgv4hi3): Model correctly.
11976         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
11977         _mm_xor_si64): Remove casts.
11978
11979 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
11980
11981         PR tree-optimization/19224
11982         * tree-scalar-evolution.c (get_instantiated_value,
11983         set_instantiated_value): New functions.
11984         (instantiate_parameters_1): Cache the results.
11985         (instantiate_parameters, resolve_mixers): Initialize and free
11986         the cache.
11987
11988 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
11989
11990         * config/i386/i386.md (addhi_4): Correct reference in comment.
11991         (addqi_4): Same.
11992
11993 2005-01-08  Richard Henderson  <rth@redhat.com>
11994
11995         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
11996         (_mm_cvtsi128_si64x): Likewise.
11997         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
11998         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
11999         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
12000         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
12001         * config/i386/i386-protos.h: Update.
12002         * config/i386/i386.c (print_operand): Add 'H'.
12003         (ix86_fixup_binary_operands): Split out from ...
12004         (ix86_expand_binary_operator): ... here.
12005         (ix86_fixup_binary_operands_no_copy): New.
12006         (ix86_expand_fp_absneg_operator): Handle vector mode results.
12007         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
12008         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
12009         (safe_vector_operand): Use CONST0_RTX.
12010         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
12011         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
12012         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
12013         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
12014         special cases.
12015         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
12016         (IX86_BUILTIN_CMPNGESS): New.
12017         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
12018         (attr type): Add sselog1.
12019         (attr unit, attr memory): Handle it.
12020         (movti, movti_internal, movti_rex64): Move near other integer moves.
12021         (movtf, movtf_internal): Move near other fp moves.
12022         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
12023         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
12024         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
12025         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
12026         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
12027         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
12028         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
12029         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
12030         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
12031         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
12032         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
12033         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
12034         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
12035         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
12036         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
12037         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
12038         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
12039         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
12040         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
12041         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
12042         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
12043         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
12044         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
12045         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
12046         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
12047         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
12048         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
12049         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
12050         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
12051         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
12052         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
12053         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
12054         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
12055         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
12056         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
12057         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
12058         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
12059         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
12060         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
12061         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
12062         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
12063         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
12064         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
12065         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
12066         same time.
12067         (SSEPUSH, push<SSEPUSH>): Remove.
12068         (MMXPUSH, push<MMXPUSH>): Remove.
12069         (sse_movaps, sse_movaps_1, sse_movups): Remove.
12070         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
12071         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
12072         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
12073         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
12074         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
12075         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
12076         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
12077         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
12078         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
12079         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
12080         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
12081         (ppro_sse_log_V4SF): Handle sselog1.
12082         * config/i386/predicates.md (const_0_to_1_operand): New.
12083         (const_0_to_255_mul_8_operand): New.
12084         (const_1_to_31_operand): Rename from const_int_1_31_operand.
12085         (const_2_to_3_operand, const_4_to_7_operand): New.
12086         * config/i386/sse.md: New file.
12087         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
12088         (sse_movups): Rename from sse_movups_1.
12089         (sse_loadlss): Rename from sse_loadss_1.
12090         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
12091         from the name.
12092         (negv4sf2): Use ix86_expand_fp_absneg_operator.
12093         (absv4sf2, negv2df, absv2df): New.
12094         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
12095         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
12096         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
12097         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
12098         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
12099         (sse3_addsubv4sf3): Model correctly.
12100         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
12101         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
12102         (sse_movhlps): Model with vec_select+vec_concat.
12103         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
12104         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
12105         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
12106         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
12107         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
12108         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
12109         sse2_pshufhw_1): Likewise.
12110         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
12111         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
12112         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
12113         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
12114         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
12115         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
12116         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
12117         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
12118         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
12119         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
12120         sminv8hi3): Mark commutative
12121         operands.  Use ix86_binary_operator_ok.
12122         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
12123         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
12124         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
12125         sse2_punpcklqdq): Allow operand2 in memory.
12126         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
12127         sse2_movsd): Add memory alternatives.
12128         (sse_storelps): Turn expander into an insn; split after reload.
12129         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
12130         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
12131
12132 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
12133
12134         * configure.ac (DWARF-2 debug_line): Use objdump.
12135         * configure: Regenerate.
12136
12137 2005-01-08  Jeff Law  <law@redhat.com>
12138             Diego Novillo  <dnovillo@redhat.com>
12139
12140         PR tree-optimization/18241
12141         * tree-nrv.c (tree_nrv): Ignore volatile return values.
12142         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
12143         statements with volatile operands.
12144         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
12145         operands after marking a statement with has_volatile_ops.
12146
12147 2005-01-08  Roger Sayle  <roger@eyesopen.com>
12148
12149         * tree.c (int_fits_type_p): Always honor integer constant
12150         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
12151
12152 2005-01-08  Roger Sayle  <roger@eyesopen.com>
12153
12154         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
12155         the latent bug in rtl_delete_block has been resolved.
12156
12157 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
12158
12159         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
12160         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
12161
12162 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
12163
12164         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
12165         library as @multilib_dir@/$(SHLIB_SONAME).
12166
12167 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
12168
12169         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
12170         * configure: Regenerate.
12171
12172 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
12173
12174         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
12175         TYPE_MODE.
12176
12177 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
12178
12179         PR target/13674
12180         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
12181         Convert non-word aligned offset address using ld/std into
12182         indirect address.
12183
12184 2005-01-07  Richard Henderson  <rth@redhat.com>
12185
12186         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
12187
12188 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
12189
12190         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
12191
12192 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
12193
12194         PR tree-optimization/19283
12195         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
12196         is not shorter than the original type.
12197
12198         PR rtl-optimization/19012
12199         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
12200
12201         PR rtl-optimization/18861
12202         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
12203         (FULL_STATE): Define.
12204         (mark_tablejump_edge): New function.
12205         (purge_dead_tablejump_edges): New function.
12206         (find_bb_boundaries): Use it.
12207
12208         PR tree-optimization/18828
12209         * builtins.c (expand_builtin_next_arg): Remove argument and all
12210         the argument checking.
12211         (expand_builtin): Adjust caller.
12212         (expand_builtin_va_start): Likewise.  Remove error for too many
12213         arguments.
12214         (fold_builtin_next_arg): Issue error for too many arguments.
12215         After checking arguments, replace them with magic arguments that
12216         prevent further checking of the args.
12217
12218 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12219
12220         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
12221
12222 2005-01-06  Roger Sayle  <roger@eyesopen.com>
12223
12224         PR target/6077
12225         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
12226         and %{.S:...} (and their negative variants) to test whether the
12227         input file is assembler or pre-processed-assembler independent of
12228         the actual filename extension.
12229
12230 2005-01-06  Roger Sayle  <roger@eyesopen.com>
12231
12232         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
12233         of sign or zero extended values.
12234
12235 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
12236
12237         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
12238         for IBM long double format correctly.
12239
12240 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
12241
12242         Fix PR tree-optimization/18792
12243
12244         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
12245         to first_loop_depth, and use loop depth instead of loop number.
12246         (build_classic_dir_vector): Ditto.
12247         (compute_data_dependences_for_loop): Use depth, not loop number.
12248         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
12249         number. Pass in loops, instead of loop numbers.
12250         (gather_interchange_stats): Ditto.
12251         (linear_transform_loops): Ditto.
12252
12253 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
12254
12255         PR rtl-opt/13299
12256         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
12257         biv_fits_mode_p, extension_within_bounds_p): New functions.
12258         (check_ext_dependent_givs): Use them.
12259
12260 2005-01-06  Roger Sayle  <roger@eyesopen.com>
12261
12262         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
12263         more than one barrier, in which case we should delete them all.
12264
12265 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
12266
12267         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
12268
12269 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
12270
12271         Fix PR middle-end/19286
12272         Fix PR debug/19267
12273         * dwarf2out.c (gen_subprogram_die): If we've already tried to
12274         output this subprogram, simply ignore this attempt to do it again.
12275         (add_abstract_origin_attribute): Don't abort trying to add the abstract
12276         origin attribute if it's not possible.
12277         (gen_block_die): Don't ignore subblocks of "unused" blocks.
12278         (decls_for_scope): Ditto.
12279         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
12280         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
12281
12282 2005-01-05  Richard Henderson  <rth@redhat.com>
12283
12284         PR target/11327
12285         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
12286         (bdesc_2arg): Use it.
12287         (ix86_expand_binop_builtin): Force operands into registers
12288         when optimizing.
12289         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
12290         ix86_expand_sse_compare, ix86_expand_sse_comi,
12291         ix86_expand_builtin): Likewise.
12292
12293 2005-01-05  Richard Henderson  <rth@redhat.com>
12294
12295         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
12296         and VEC_SELECT.
12297         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
12298         (mulv4hi3): Set itanium_class mmmul.
12299         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
12300         (fpack): Rename from fpack_sfsf.
12301
12302 2005-01-05  Richard Henderson  <rth@redhat.com>
12303
12304         PR rtl-opt/10692
12305         * reload1.c (do_input_reload): Restrict the optimization deleteing
12306         a previous output reload to RELOAD_FOR_INPUT.
12307
12308 2005-01-05  Steven Bosscher  <stevenb@suse.de>
12309
12310         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
12311         comment that we fall through after case.
12312         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
12313         (distribute_links): Likewise.
12314         * cse.c (cse_insn): Likewise.
12315         * cselib.c (cselib_invalidate_mem): Likewise.
12316         * df.c: Update comments at the top of the file.
12317         (read_modify_subreg_p): Update comments here too.
12318         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
12319         * flow.c (mark_set_1): Likewise.
12320         (mark_used_regs): Likewise.
12321         * gcse.c (mems_conflict_for_gcse_p): Likewise.
12322         (canon_list_insert): Likewise.
12323         (mark_set): Likewise.
12324         (try_replace_reg): Likewise.
12325         (store_killed_in_insn): Likewise.
12326         * loop.c (count_one_set): Likewise.
12327         (basic_induction_var): Likewise.
12328         * postreload-gcse.c (find_mem_conflicts): Likewise.
12329         * postreload.c (reload_combine_note_store): Likewise.
12330         (move2add_note_store): Likewise.
12331         * reload.c (find_equiv_reg): Likewise.
12332         (mark_referenced_resources): Likewise.
12333         * rtlanal.c (set_noop_p): Likewise.
12334         (note_stores): Likewise.
12335         (note_uses): Likewise.
12336         * sched-deps.c (sched_analyze_1): Likewise.
12337         * sched-rgn.c (check_live_1): Likewise.
12338         (update_live_1): Likewise.
12339         * config/i860/i860.c: Likewise.
12340
12341         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
12342         an lvalue.
12343         (ZERO_EXTRACT): Mention that this one can be an lvalue.
12344
12345         * doc/rtl.texi: Update documentation for bit-fields and SET.
12346
12347 2005-01-05  Roger Sayle  <roger@eyesopen.com>
12348
12349         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
12350
12351 2005-01-05  Jan Hubicka  <jh@suse.cz>
12352             Richard Henderson  <rth@redhat.com>
12353
12354         PR target/18910
12355         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
12356         with an offset.
12357
12358 2005-01-05  Richard Henderson  <rth@redhat.com>
12359
12360         PR target/12902
12361         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
12362         (sse_shufps): Change operand 3 to const_int_operand.
12363         (sse2_storelps): Fix typo in template.
12364         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
12365         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
12366         (ix86_expand_builtin): Likewise.
12367
12368 2005-01-05  Julian Brown  <julian@codesourcery.com>
12369
12370         * config/arm/arm.c (arm_return_in_memory): Treat complex types
12371         as aggregates for AAPCS ABIs.
12372
12373 2005-01-05  Stan Shebs  <shebs@apple.com>
12374
12375         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
12376         Mach-O getters if ppc64.
12377         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
12378         size argument.
12379         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
12380         signed four-byte field for global code case.
12381         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
12382
12383 2005-01-05  Roger Sayle  <roger@eyesopen.com>
12384
12385         PR middle-end/19100
12386         * c-common.c: Include real.h.
12387         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
12388         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
12389         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
12390         * Makefile.in (c-common.o): Update dependencies.
12391
12392 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
12393
12394         * c-parse.in (asm_string): Add trailing semicolon.
12395
12396 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
12397
12398         * c-parse.in (asm_string): New.  Don't allow wide strings in
12399         'asm'.
12400         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
12401         asm_string instead of STRING.
12402
12403 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
12404
12405         * c-typeck.c (constructor_no_implicit): Remove.
12406         (set_designator, process_init_element): Don't check
12407         constructor_no_implicit.
12408
12409 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
12410             Kaz Kojima  <kkojima@gcc.gnu.org>
12411
12412         PR target/16482
12413         * lcm.c (create_pre_exit): New.
12414         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
12415         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
12416
12417 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
12418
12419         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
12420         -msoft-float in target_float_switch.
12421         * arm.c (arm_override_options): Fix processing of target_float_switch.
12422
12423 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
12424
12425         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
12426         preferencing.
12427
12428 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
12429
12430         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
12431         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
12432
12433 2005-01-04  Roger Sayle  <roger@eyesopen.com>
12434
12435         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
12436         if deleting the then-block allows the test-block to fallthru to the
12437         else-block.
12438
12439 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
12440
12441         PR c/19152
12442         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
12443         after the full declaration if the are in two different TUs.
12444
12445 2005-01-04  Richard Henderson  <rth@redhat.com>
12446
12447         PR tree-opt/19158
12448         * tree-sra.c (generate_one_element_init): Just
12449         call gimplify_and_add.
12450         (generate_element_init): Record the
12451         new referenced variables and mark them for renaming
12452         and split out to ...
12453         (generate_element_init_1): This.
12454         (scalarize_init): Don't call push_gimplify_context/
12455         pop_gimplify_context.
12456
12457 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
12458
12459         * toplev.c (get_src_pwd): Handle failure of getpwd().
12460
12461 2005-01-04  Roger Sayle  <roger@eyesopen.com>
12462
12463         * fold-const.c (fold_single_bit_test): Delete unreachable handling
12464         of TRUTH_NOT_EXPR.
12465         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
12466         all the cases handled by it are inverted by invert_truthvalue.
12467
12468 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
12469
12470         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
12471         (save_register_windowsi): Likewise.
12472
12473 2005-01-04  Richard Henderson  <rth@redhat.com>
12474
12475         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
12476
12477 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
12478
12479         PR middle-end/17767
12480         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
12481         any simplifications of vector mode comparison operators.
12482         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
12483
12484 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
12485             Devang Patel  <dpatel@apple.com>
12486
12487         PR tree-optimization/18308
12488         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
12489         the operands before creating a new expression.
12490         * dojump.c (do_jump): Make drop_through_label available
12491         for all cases.  Add expansion of COND_EXPR.
12492
12493 2005-01-04  Ira Rosen  <irar@il.ibm.com>
12494
12495         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
12496         INTEGER_CST instead of TREE_CONSTANT.
12497         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
12498         instead of TREE_CONSTANT.
12499         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
12500         instead of TREE_CONSTANT.
12501
12502 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
12503
12504         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
12505
12506 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
12507
12508         PR target/19240
12509         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
12510         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
12511
12512 2005-01-03  Richard Henderson  <rth@redhat.com>
12513
12514         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
12515         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
12516         fold_convert_const_real_from_real): Split out from ...
12517         (fold_convert_const): ... here.
12518
12519 2005-01-03  Richard Henderson  <rth@redhat.com>
12520
12521         PR target/19235
12522         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
12523         (mov<MMXMODEI>_internal): Likewise.
12524         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
12525         Add V2SF case; use it for SSE1; don't use TI.
12526         (movdf_integer): Likewise.
12527         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
12528
12529 2005-01-03  Ira Rosen  <irar@il.ibm.com>
12530
12531         * tree-vectorizer.c (vect_strip_conversions): New function.
12532         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
12533         check for binary class.
12534
12535 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
12536
12537         Fix PR debug/17924
12538         Fix PR debug/19191
12539         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
12540         is a decl.
12541         * gimple-low.c (mark_blocks_with_used_vars): New function.
12542         (mark_blocks_with_used_subblocks): Ditto.
12543         (mark_used_blocks): Ditto.
12544         (pass_mark_used_blocks): New pass.
12545         * tree-inline.c: Include debug.h.
12546         (expand_call_inline): Call outlining_inline_function here.
12547         * tree-optimize.c (init_tree_optimization_passes): Add
12548         pass_mark_used_blocks.
12549         * tree-pass.h (pass_mark_used_blocks): New.
12550         * Makefile.in (tree-inline.o): Add debug.h dependency.
12551
12552 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
12553
12554         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
12555         VAR_DECLs to have weak_import attribute.
12556
12557         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
12558         'struct ucontext'.
12559
12560 2004-01-03  Steven Bosscher  <stevenb@suse.de>
12561
12562         * passes.c (rest_of_compilation): Don't run regmove if only
12563         flag_expensive_optimizations, require flag_regmove instead.
12564
12565 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
12566
12567         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
12568         register "sparc".
12569         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
12570         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
12571         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
12572         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
12573
12574 2005-01-03  Richard Henderson  <rth@redhat.com>
12575
12576         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
12577         (ia64_const_ok_for_letter_p): New.
12578         (ia64_const_double_ok_for_letter_p): New.
12579         (ia64_extra_constraint): New.
12580         (ia64_expand_vecint_compare): New.
12581         (ia64_expand_vcondu_v2si): New.
12582         (ia64_expand_vecint_cmov): New.
12583         (ia64_expand_vecint_minmax): New.
12584         (ia64_print_operand): Add 'v'.
12585         (ia64_preferred_reload_class): New.
12586         (ia64_vector_mode_supported_p): New.
12587         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
12588         (PREFERRED_RELOAD_CLASS): Move to function.
12589         (CONST_OK_FOR_LETTER_P): Move to function.
12590         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
12591         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
12592         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
12593         (EXTRA_CONSTRAINT): Move to function.
12594         * config/ia64/ia64.md: Include vect.md.
12595         (itanium_class): Add mmalua.
12596         (type): Handle it.
12597         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
12598         (1b_mmalua): New.
12599         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
12600         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
12601         CONST0_RTX.
12602         (const_int_2bit_operand): New.
12603         (fr_reg_or_0_operand): New.
12604         * config/ia64/ia64-modes.def: Add vector modes.
12605         * config/ia64/ia64-protos.h: Update.
12606         * config/ia64/vect.md: New file.
12607
12608 2005-01-03  Richard Henderson  <rth@redhat.com>
12609
12610         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
12611
12612 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
12613
12614         PR target/19236
12615         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
12616         to SFmode.
12617         (log1pdf2): Change mode of operands[0,1] to DFmode.
12618
12619 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
12620
12621         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
12622         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
12623         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
12624         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
12625         SPARC_RELAXED_ORDERING.
12626
12627 2005-01-03  Richard Henderson  <rth@redhat.com>
12628             Uros Bizjak  <uros@kss-loka.si>
12629
12630         PR target/14631
12631         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
12632         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
12633         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
12634         handling.
12635         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
12636         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
12637         const_pow2_1_to_128_operand): New predicates.
12638
12639 2005-01-02  Greg McGary  <greg@mcgary.org>
12640
12641         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
12642         anonymous decls.
12643         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
12644         object.  [ptr_type]: Remove unused variable.
12645         Remember nearest addressable array-element or record-component
12646         when checking bitfield components.  Tolerate empty BIND_EXPR.
12647
12648 2005-01-01  Richard Henderson  <rth@redhat.com>
12649
12650         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
12651         that don't narrow the value.  Fail for other conversions.
12652
12653 2005-01-01  Richard Henderson  <rth@redhat.com>
12654
12655         PR c/19031
12656         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
12657         * c-lang.c (finish_file): Don't do it here.
12658         * objc/objc-act.c (objc_finish_file): Likewise.
12659
12660         * cgraph.c (decl_assembler_name_equal): New.
12661         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
12662         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
12663         * cgraph.h (struct cgraph_varpool_node): Add next.
12664         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
12665         * varasm.c (assemble_alias): Mark the target as needed.
12666
12667 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
12668
12669         PR middle-end/19221
12670         * function.c (get_arg_pointer_save_area): Use entry_of_function
12671         instead of get_insns.
12672
12673 2005-01-01  Roger Sayle  <roger@eyesopen.com>
12674             Andrew Pinski  <pinskia@physics.uc.edu>
12675             James E. Wilson  <wilson@specifixinc.com>
12676
12677         PR rtl-optimization/12092
12678         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
12679         is zero.
12680
12681 2005-01-01  Roger Sayle  <roger@eyesopen.com>
12682             Olivier Hainque  <hainque@act-europe.fr>
12683
12684         * tree.c (int_fits_type_p): A narrower type always fits in a
12685         wider one, except for negative values into unsigned types.
12686
12687 2005-01-01  Roger Sayle  <roger@eyesopen.com>
12688
12689         * tree.c (int_fits_type_p): Compare the result of force_fit_type
12690         with the original constant rather than require TREE_OVERFLOW.
12691
12692 2005-01-01  Steven Bosscher  <stevenb@suse.de>
12693
12694         PR middle-end/17544
12695         * c-decl.c (finish_function): If compiling C99, annotate the
12696         compiler generated return with the current file name and line 0.
12697         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
12698         the source line is greater than 0.
12699         (remove_bb): Likewise.