OSDN Git Service

f503efb986f46e91675b9e9df5cd5a3d3b452a8f
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-05-20  Jan Hubicka  <jh@suse.cz>
2
3         * Makefile.in (insn-emit.o): Add basic-block.h dependency.
4         * genemit.c (main): Make insn-emit to include basic-block.h too.
5
6 2005-05-20  Jan Hubicka  <jh@suse.cz>
7
8         * cgraphunit.c (cgraph_expand_function): Force function being lowered.
9
10 2005-05-19  Richard Henderson  <rth@redhat.com>
11
12         * config/alpha/alpha.c (emit_unlikely_jump, emit_load_locked,
13         emit_store_conditional): Split out from ...
14         (alpha_split_atomic_op): ... here.
15         (alpha_split_compare_and_swap): New; extract from .md file.
16         (alpha_split_lock_test_and_set): Likewise.
17         * config/alpha/alpha-protos.h: Update.
18         * config/alpha/sync.md (sync_compare_and_swap<I48MODE>): Move
19         split code into alpha.c.
20         (sync_lock_test_and_set<I48MODE>): Likewise.
21
22 2005-05-19  Richard Henderson  <rth@redhat.com>
23
24         * unwind.h, unwind-pe.h: Revert gcc_unreachable change of 05-17.
25
26 2005-05-19  Richard Henderson  <rth@redhat.com>
27
28         * config/i386/sse.md (mulv4si3): Use all register inputs.
29         (mulv2di3): Likewise.
30
31 2005-05-19  Richard Guenther  <rguenth@gcc.gnu.org>
32
33         * tree-ssa-loop-ivopts.c (determine_base_object): Use
34         build_fold_addr_expr to generate trees of correct type.
35         Use fold_buildN if possible.
36
37 2005-05-19  Jan Hubicka  <jh@suse.cz>
38
39         * basic-block.h (REG_BR_PROB_BASE): Define.
40         * cgraph.c (cgraph_create_edge): Initialize loop_nest and count.
41         (dump_cgraph_node): Dump count.
42         (cgraph_clone_edge): Rescale counts.
43         (cgraph_clone_node): Likewise.
44         * cgraph.h: Include basic-block.h
45         (cgraph_node): Add count.
46         (cgraph_edge): Add count and loop_nest.
47         (cgraph_node, cgraph_edge, cgraph_clone_edge, cgraph_clone_node):
48         Update prototypes.
49         * cgraphunit.c: Kill now redundant inlining comment.
50         (cgraph_create_edges): Make static, maintain current basic block;
51         fix pasto.
52         (record_call_1): Fill in new fields.
53         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
54         cgraph_clone_node.
55         (cgraph_decide_recursive_inlining): Likewise.
56         * rtl.h (REG_BR_PROB_BASE): Kill.
57         * tree-inline.c (copy_body_r): Update call of cgraph_clone_edge.
58         (expand_call_inline): Update call of cgraph_create_edge.
59         * tree-optimize.c (tree_rest_of_compilation): Likewise.
60
61 2005-05-19  Nick Clifton  <nickc@redhat.com>
62
63         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Use the
64         new rs6000_explicit_options structure.
65
66 2005-05-19  Richard Henderson  <rth@redhat.com>
67
68         PR target/21390
69         * config/alpha/alpha.c (alpha_emit_conditional_branch): Move 
70         TFmode code swapping ...
71         (alpha_emit_xfloating_compare): ... here.
72         (alpha_emit_setcc): Update to match.
73         (alpha_lookup_xfloating_lib_func): Assert TARGET_HAS_XFLOATING_LIBS.
74
75 2005-05-19  Richard Henderson  <rth@redhat.com>
76
77         PR target/21657
78         * config/ia64/ia64.c (ia64_expand_tls_address): Remove extra
79         memory indirection in local-dynamic case.
80
81 2005-05-18  Jie Zhang  <jie.zhang@analog.com>
82             Bernd Schmidt  <bernd.schmidt@analog.com>
83
84         * config/bfin/bfin.c (branch_dest): Add comment why it's
85         necessary.
86         * config/bfin/bfin.md (attr "length" default): Change the offset of
87         forward conditional branch of length 4 from 4096 to 4092.
88
89 2005-05-19  Jan Beulich  <jbeulich@novell.com>
90
91         * unwind-compat.c: Include tconfig.h and tsystem.h.
92         * unwind-dw2-fde-compat.c: Likewise.
93
94 2005-05-18  Richard Henderson  <rth@redhat.com>
95
96         PR 21541
97         * ifcvt.c (noce_process_if_block): Avoid conversion when the
98         memory destination is readonly.
99
100 2005-05-18  Richard Henderson  <rth@redhat.com>
101
102         PR 21541
103         * tree-ssa-operands.c (opf_non_specific): New.
104         (get_asm_expr_operands): Set it.
105         (add_call_clobber_ops, add_call_read_ops): Likewise.
106         (add_stmt_operand): Test it instead of opf_kill_def when
107         considering unmodifiable variables.
108
109         * tree-ssa-operands.c (get_expr_operands): Fix exact test.
110
111 2005-05-19  Kazu Hirata  <kazu@cs.umass.edu>
112
113         * cfgexpand.c, tree-cfg.c, tree-inline.c, tree-optimize.c,
114         tree-ssa-forwprop.c: Fix comment typos.
115         * doc/invoke.texi: Fix a typo.
116
117 2005-05-18  Richard Henderson  <rth@redhat.com>
118
119         * config.gcc (powerpc-*-linux*): Include linux64.opt when
120         including linux64.h.
121
122 2005-05-18  Richard Henderson  <rth@redhat.com>
123
124         * tree-cfg.c (pass_remove_useless): Revert last change.
125         * tree-optimize.c (init_tree_optimization_passes): Initialize
126         all_lowering_passes with PROP_gimple_any.
127
128 2005-05-18  Devang Patel  <dpatel@apple.com>
129
130         * config/rs6000/rs6000.md (insvsi_internal1): Subtract shift from
131         the mask end.
132         
133 2005-05-18  Richard Henderson  <rth@redhat.com>
134
135         * tree-ssa-forwprop.c (cfg_changed): New.
136         (tidy_after_forward_propagate_addr): New.
137         (forward_propagate_addr_expr): Use it, and fold_stmt_inplace.
138         (forward_propagate_addr_into_variable_array_index): Likewise.
139         (tree_ssa_forward_propagate_single_use_vars): Cleanup cfg if
140         edges were removed.
141
142 2005-05-18  Geoffrey Keating  <geoffk@apple.com>
143
144         * dummy-checksum.c: New.
145         * genchecksum.c: New.
146         * c.opt (print_pch_checksum): New flag.
147         * c-pch.c (struct c_pch_validity): Make much shorter.
148         (no_checksum): New.
149         (host_machine): Remove.
150         (target_machine): Remove.
151         (get_ident): Change PCH version number.
152         (pch_init): When -fverbose-asm, print out the compiler fingerprint.
153         Don't put triplets or version string in PCH validity data.
154         Do put the compiler checksum in the validity data.
155         (c_common_valid_pch): Don't check triplets or version string.  Do
156         check checksum.
157         (c_common_print_pch_checksum): New.
158         * c-opts.c (c_common_handle_option): Add OPT_print_pch_checksum.
159         Print fingerprint with -v.
160         * c-common.h (c_common_print_pch_checksum): New.
161         (executable_checksum): New.
162         * Makefile.in (STAGEMOVESTUFF): Add cc1*-dummy, *-checksum.c.
163         (cc1-dummy): New rule.
164         (cc1-checksum.c): New rule.
165         (cc1-checksum.o): New rule.
166         (cc1): Add checksum support.
167         (build/genchecksum): New.
168         (build/genchecksum.o): New.
169         (dummy-checksum.o): New.
170         (genobjnames): Add genchecksum.o.
171         (mostlyclean): Remove *-checksum.c.
172         (gnucompare): Add libgcc to list of directories checked.
173         Make comparison problems in libgcc/ and with checksum files only
174         be warnings.
175         * doc/invoke.texi (Precompiled Headers): Remove caution.
176         Document that it must be the exact same binary.  Add a few
177         known-safe flags to the list.
178
179         * rs6000/predicates.md (fix_trunc_dest_operand): New.
180         * rs6000/rs6000.md (fix_truncdfsi2): Use fix_trunc_dest_operand.
181         Check that a memory operand is valid before trying to use it.
182         
183         * tree-cfg.c (pass_remove_useless): This pass works on trees.
184
185 2005-05-18  Richard Guenther  <rguenth@gcc.gnu.org>
186
187         * tree.c (build1_stat): Don't try to handle two-operand
188         tree codes.
189
190 2005-05-18  Richard Sandiford  <rsandifo@redhat.com>
191
192         * config.gcc (sh*-*-*): Define SUPPORT_* macros to 1.
193         * config/sh/sh.h: Update mask names throughout.
194         (target_flags, ISIZE_BIT, DALIGN_BIT, SH1_BIT, SH2_BIT, SH3_BIT)
195         (SH_E_BIT, HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, SH4A_BIT, FMOVD_BIT)
196         (SH5_BIT, SPACE_BIT, BIGTABLE_BIT, RELAX_BIT, USERMODE_BIT)
197         (HITACHI_BIT, NOMACSAVE_BIT, PREFERGOT_BIT, PADSTRUCT_BIT)
198         (LITTLE_ENDIAN_BIT, IEEE_BIT, SAVE_ALL_TR_BIT, HARD_SH2A_BIT)
199         (HARD_SH2A_DOUBLE_BIT, INDEXED_ADDRESS_BIT, PT_FIXED_BIT)
200         (INVALID_SYMBOLS_BIT, ADJUST_UNROLL_BIT, TARGET_DUMPISIZE)
201         (TARGET_ALIGN_DOUBLE, TARGET_SH1, TARGET_SH2, TARGET_SH3)
202         (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH5, TARGET_FMOVD)
203         (TARGET_IEEE, TARGET_SMALLCODE, TARGET_BIGTABLE, TARGET_RELAX)
204         (TARGET_HITACHI, TARGET_NOMACSAVE, TARGET_PADSTRUCT)
205         (TARGET_LITTLE_ENDIAN, TARGET_USERMODE, TARGET_PREFERGOT)
206         (TARGET_SAVE_ALL_TARGET_REGS, TARGET_ALLOW_INDEXED_ADDRESS)
207         (TARGET_PT_FIXED, TARGET_INVALID_SYMBOLS, TARGET_ADJUST_UNROLL)
208         (TARGET_SWITCH_SH1, TARGET_SWITCH_SH2, TARGET_SWITCH_SH2E)
209         (TARGET_SWITCH_SH2A, TARGET_SWITCH_SH2A_SINGLE_ONLY)
210         (TARGET_SWITCH_SH2A_SINGLE, TARGET_SWITCH_SH2A_NOFPU)
211         (TARGET_SWITCH_SH3, TARGET_SWITCH_SH3E, TARGET_SWITCH_SH4_SINGLE_ONLY)
212         (TARGET_SWITCH_SH4_SINGLE, TARGET_SWITCH_SH4_NOFPU, TARGET_SWITCH_SH4)
213         (TARGET_SWITCH_SH4A, TARGET_SWITCH_SH4A_SINGLE_ONLY)
214         (TARGET_SWITCH_SH4A_SINGLE, TARGET_SWITCH_SH4A_NOFPU)
215         (TARGET_SWITCH_SH4AL, TARGET_SWITCH_SH5_64MEDIA)
216         (TARGET_SWITCH_SH5_64MEDIA_NOFPU, TARGET_SWITCHES_SH5_32MEDIA)
217         (TARGET_SWITCHES_SH5_32MEDIA_NOFPU, TARGET_SWITCH_SH5_32_ANY_EXTRA)
218         (TARGET_SWITCH_SH5_MEDIA_ANY_EXTRA, TARGET_SWITCHES)
219         (SUBTARGET_SWITCHES): Delete.
220         (TARGET_SH2E, TARGET_SH2A, TARGET_SH2A_SINGLE, TARGET_SH2A_DOUBLE)
221         (TARGET_SH3E, TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARVARD)
222         (TARGET_FPU_DOUBLE, TARGET_SH4A_ARCH, TARGET_SHMEDIA32)
223         (TARGET_SHMEDIA64): Redefine using other TARGET_* macros.
224         (TARGET_SH4): Undefine options.h definition and check MASK_SH1 as well.
225         (SUPPORT_SH1, SUPPORT_SH2E, SUPPORT_SH4, SUPPORT_SH4_SINGLE)
226         (SUPPORT_SH2A, SUPPORT_SH2A_SINGLE): Make numeric.
227         (SUPPORT_SH2): Define to 1 if SUPPORT_SH1.
228         (SUPPORT_SH3): Likewise SUPPORT_SH2.
229         (SUPPORT_SH4_NOFPU): Likewise SUPPORT_SH3.
230         (SUPPORT_SH4A_NOFPU, SUPPORT_SH4AL, SUPPORT_SH2A_NOFPU): Likewise
231         SUPPORT_SH4_NOFPU.
232         (SUPPORT_SH3E): Likewise SUPPORT_SH2E.
233         (SUPPORT_SH4_SINGLE_ONLY, SUPPORT_SH4A_SINGLE_ONLY)
234         (SUPPORT_SH2A_SINGLE_ONLY): Likewise SUPPORT_SH3E.
235         (SUPPORT_SH4A): Likewise SUPPORT_SH4.
236         (SUPPORT_SH4A_SINGLE): Likewise SUPPORT_SH4_SINGLE.
237         (SUPPORT_SH5_32MEDIA): Likewise SUPPORT_SH5_COMPACT.
238         (SUPPORT_SH5_32MEDIA_NOFPU): Likewise SUPPORT_SH5_COMPACT_NOFPU.
239         (SUPPORT_ANY_SH5_32MEDIA, SUPPORT_ANY_SH5_64MEDIA)
240         (SUPPORT_ANY_SH5): New macros.
241         (TARGET_NONE): Replace with...
242         (MASK_ARCH): ...this new macro.
243         * config/sh/elf.h: Update mask names
244         * config/sh/linux.h: Likewise.
245         * config/sh/little.h: Likewise.
246         * config/sh/netbsd-elf.h: Likewise.
247         * config/sh/symbian-pre.h: Likewise.
248         * config/sh/sh.c (sh_handle_option): New function.
249         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
250         (calc_live_regs): Use MASK_FPU_SINGLE instead of FPU_SINGLE_BIT.
251         (sh_target_switches, target_switches): Delete.
252         (sh_pch_valid_p): Check for specific differences in the target_flags
253         settings.
254         (sh_init_cumulative_args): Use MASK_HITACHI instead of HITACHI_BIT.
255         * config/sh/sh.opt: New file.
256
257 2005-05-18  Richard Henderson  <rth@redhat.com>
258
259         PR target/21632
260         * config/ia64/ia64.c (ia64_extra_constraint) <'T'>: Use
261         small_addr_symbolic_operand.
262
263 2005-05-18  Jeff Law  <law@redhat.com>
264
265         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Do not
266         propagate an ADDR_EXPR if the definition and use sites are
267         in different EH regions.
268
269 2005-05-18  Ian Lance Taylor  <ian@airs.com>
270
271         * read-rtl.c (mode_attr_index): Use obstack_grow0, not
272         obstack_grow.
273
274 2005-05-18  Daniel Berlin  <dberlin@dberlin.org>
275
276         * cfgrtl.c (purge_dead_edges): Don't remove fake edges.
277
278 2005-05-18  Daniel Berlin  <dberlin@dberlin.org>
279         
280         Fix PR tree-optimization/21407
281
282         * tree-ssa-operands.c (note_addressable): Change
283         COMPONENT_REF handling in response to aliasing
284         discussion.
285
286 2005-05-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
287
288         * config/sparc/sol2.h (TARGET_DEFAULT): Add back MASK_APP_REGS.
289         * config/sparc/sol2-64.h (TARGET_DEFAULT): Likewise.
290         * config/sparc/sp-elf.h (TARGET_DEFAULT): Delete.
291         * doc/invoke.texi (SPARC options): Document that -mapp-regs is
292         the default on Solaris too.
293
294 2005-05-17  Daniel Berlin  <dberlin@dberlin.org>
295
296         * tree-ssa-pre.c (find_or_generate_expression): CALL_EXPR
297         is okay too.
298
299 2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
300
301         * timevar.def (TV_SCEV_CONST): New timevar.
302         * tree-optimize.c (init_tree_optimization_passes): Add
303         pass_scev_cprop.
304         * tree-pass.h (pass_scev_cprop): Declare.
305         * tree-scalar-evolution.c (scev_const_prop): New function.
306         * tree-scalar-evolution.h (scev_const_prop): Declare.
307         * tree-ssa-loop.c (gate_scev_const_prop, pass_scev_cprop):
308         New.
309         * tree-cfg.c (replace_uses_by): Export.
310         * tree-flow.h (replace_uses_by): Declare.
311
312 2005-05-17  Ziemowit Laski  <zlaski@apple.com>
313             Mike Stump  <mrs@apple.com>
314
315         Yet more Objective-C++...
316
317         * c-common.h (objc_finish_try_stmt): Add.
318         (objc_build_synchronized): Add.
319         (objc_generate_write_barrier): Add.
320         * stub-objc.c (objc_build_synchronized): Add return value.
321         (objc_finish_try_stmt): Likewise.
322         (objc_generate_write_barrier): Add.
323
324         * c-common.h (objc_rewrite_function_call): Add.
325         * c-typeck.c (build_function_call): Allow objc to rewrite
326         FUNCTION_DECLs.
327         (build_modify_expr): Allow objc to generate write barriers.
328         * c.opt (Wassign-intercept): Add.
329         (Wstrict-selector-match): Add.
330         (fobjc-call-cxx-cdtors): Add.
331         (fobjc-direct-dispatch): Add.
332         (fobjc-gc): Add.
333         * dbxout.c (get_lang_number): Add Objective-C++ support.
334         * doc/invoke.texi (-fobjc-call-cxx-cdtors): Likewise.
335         (-Wstrict-selector-match): Likewise.
336         (-fobjc-direct-dispatch): Likewise.
337         (-Wassign-intercept): Likewise.
338         (Overall Options): Likewise.
339         * gengtype.c (get_output_file_with_visibility): Likewise.
340         * stub-objc.c (objc_rewrite_function_call): Add.
341         * config/darwin.h (ASM_OUTPUT_LABELREF): Improved quoting support.
342
343         * c-common.c (flag_objc_exceptions): Remove.
344         (flag_objc_sjlj_exceptions): Remove.
345         * c-decl.c (objc_mark_locals_volatile): Don't change decls
346         that are already ok.
347         * c-opts.c (c_common_handle_option, case
348         OPT_fobjc_exceptions): Remove.
349         (case OPT_fobjc_sjlj_exceptions): Remove
350         * c.opt (fobjc-call-cxx-cdtors): Have opt create the flag.
351         (fobjc-exceptions): Likewise.
352         (fobjc-sjlj-exceptions): Likewise.
353         * config/rs6000/darwin.h (OFFS_MSGSEND_FAST): Add.
354         (OFFS_ASSIGNIVAR_FAST): Add.
355         
356 2005-05-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
357
358         * config/sparc/sparc.md (movhi): Do not test constness
359         of operand #1 twice.
360         (movsi): Likewise.
361         (movdi): Unconditionally accept zero as second operand
362         when the first is memory.
363         (movdi_insn_sp32): Handle above case.
364         (DImode splitter): Use predicates.
365         (DImode splitter): Use const_zero_operand predicate.
366         (movsf_insn): Swap 2 alternatives.
367
368 2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
369
370         * tree-ssa-loop-ivopts.c (find_bivs, find_givs_in_stmt_scev): Apply
371         expand_simple_operations to bases of the ivs.
372         (tree_int_cst_sign_bit): Export.
373         * tree-flow.h (expand_simple_operations): Declare.
374         * tree-ssa-loop-niter.c (number_of_iterations_cond): Use
375         tree_int_cst_sign_bit.
376         (expand_simple_operations): Export.
377         * tree.h (tree_int_cst_sign_bit): Declare.
378
379 2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
380
381         * tree-cfg.c (tree_can_merge_blocks_p): Allow phi nodes in the
382         merged block.
383         (replace_uses_by): New function.
384         (tree_merge_blocks): Eliminate the phi nodes in the merged block.
385         * tree-flow.h (fold_stmt_inplace): Declare.
386         * tree-ssa-ccp.c (fold_stmt_inplace): New function.
387         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update dominance
388         info after cfg cleanup.
389
390 2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
391
392         * cfgloop.h (just_once_each_iteration_p): Declaration changed.
393         * cfgloopanal.c (just_once_each_iteration_p): Make the loop argument
394         const.
395
396 2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
397
398         * ggc-page.c (ggc_alloc_stat): Record amount of memory allocated.
399         * ggc-zone.c (ggc_alloc_zone_1): Ditto.
400         * timevar.c (timevar_ggc_mem_total): New variable.
401         (GGC_MEM_BOUND): New constant.
402         (get_time): Record ggc memory status.
403         (timevar_accumulate): Accumulate amount of ggc memory.
404         (timevar_print): Print consumption of ggc memory.
405         * timevar.def (TV_FIND_REFERENCED_VARS, TV_TREE_REDPHI,
406         TV_TREE_LOOP_BOUNDS, TV_TREE_LOOP_IVCANON, TV_TREE_VECTORIZATION,
407         TV_TREE_LINEAR_TRANSFORM): Shorten strings to fit in 22 characters.
408         * timevar.h (struct timevar_time_def): Add ggc_mem field.
409         (timevar_ggc_mem_total): Declare.
410
411 2005-05-17  Kazu Hirata  <kazu@cs.umass.edu>
412
413         * tree-into-ssa.c (update_ssa): Clean up by shortening the
414         live range of DFS.
415
416 2005-05-17  Hans-Peter Nilsson  <hp@axis.com>
417
418         * config/cris/cris.md (ncond, ocode, rcond): Remove separate
419         define_code_attr.
420         ("b<ncond:code>", "b<ocond:code>", "b<rcond:code>")
421         ("*b<ncond:code>_reversed", "*b<ocond:code>_reversed")
422         ("*b<rcond:code>_reversed", "s<ncond:code>", "s<rcond:code>")
423         ("s<ocond:code>"): Rename from respectively "b<ncond>",
424         "b<ocond>", "b<rcond>", ("*b<ncond>_reversed",
425         "*b<ocond>_reversed", "*b<rcond>_reversed", "s<ncond>",
426         "s<rcond>" and "s<ocond>".
427         ("b<ocond:code>", "*b<ocond:code>_reversed")
428         ("*b<rcond:code>_reversed"): Remove extraneous backslashes in
429         output statement section.
430
431 2005-05-17  Roger Sayle  <roger@eyesopen.com>
432
433         * c-typeck.c (common_type): Also handle BOOLEAN_TYPEs.
434
435 2005-05-17  Steven Bosscher  <stevenb@suse.de>
436             Stuart Hastings <stuart@apple.com>
437             Jan Hubicka  <jh@suse.cz>
438             Dale Johannesen  <dalej@apple.com>
439
440         * cgraph.h (cgraph_node): Add 'lowered' state.
441         (cgraph_lower_function): Declare.
442         * cgraphunit.c (cgraph_finalize_function): Initialize lowered flag.
443         (cgraph_lower_function): New function.
444         (cgraph_create_edges): Deal with lowered function bodies.
445         (verify_cgraph_node): Likewise.
446         (cgraph_analyze_function): Do lowering job.
447         (cgraph_build_static_cdtor): Likewise.
448         * function.h (struct function): Add saved_eh and saved_cfg.
449         * integrate.c (copy_decl_for_inlining): Kill LABEL_DECL_UID field.
450         * tree-cfg.c (fold_cond_expr_cond): Export.
451         * tree-flow.h (fold_cond_expr_cond): Declare.
452         * tree-inline.c: Include basic-block, ggc, tree-flow, except.h and
453         pointer-set.
454         (struct_inline_data): Kill fnd, first_inlined_fn, ret_label,
455         in_target_cleanup_p, tree_pruner, tsi; add callee, caller and
456         callee_cfun, block, eh_region, eh_region_offset.
457         (inlining_p): New predicate.
458         (remap_decl): Update for new inline_data; declare newly created inline
459         vars in low gimple way.
460         (copy_body_r): Update for new datastructure, simplify some of handling
461         when we are in gimple; remap LABEL_DECLs for EH; copy TREE_BLOCK;
462         deal with RESX_EXPRs.
463         (copy_bb): New.
464         (copy_edges_for_bb): Likewise.
465         (remap_decl_1): New.
466         (copy_cfg_body): New.
467         (copy_generic_body): Rewrite to work on low gimple.
468         (copy_body): Turn into simple wrapper around copy_cfg_body.
469         (setup_one_parameter): Insert new statements into given basic block.
470         (initialize_initialized_parameters): Likewise, reorganize way things are
471         gimplified.
472         (declare_return_variable): Update for new inline data datastructure.
473         (inline_forbidden_p): Work on low gimple.
474         (estimate_num_insns): Likewise.
475         (expand_call_inline): Work on CFG.
476         (push_cfun, pop_cfun): New functions.
477         (cfun_stack): New stack.
478         (add_lexical_block): New function.
479         (gimple_expand_calls_inline): Work on basic block.
480         (optimize_inline_calls): Likewise.
481         (clone_body, save_body, unsave_ewpr_now): Update for new
482         datastructures.
483         (declare_inline_vars): Work on block instead of bind_expr.
484         (inlining_p): New predicate.
485         * tree-inline.h (push_cfun, pop_cfun): Declare.
486         * tree-optimize.c: Include except.h
487         (all_lowering_passes): New variable.
488         (execute_fixup_cfg, pass_fixup_cfg): New pass.
489         (init_tree_optimization_passes): Move some to all_lowering_passes.
490         (tree_lowering_passes): New function.
491         (tree_rest_of_compilation): Register cfg hooks; save/unsave eh.
492         * tree-pass.h (tree_lowering_passes): Declare
493
494 2005-05-17  Nathan Sidwell  <nathan@codesourcery.com>
495
496         * unwind-dw2-fde-darwin.c: Include tsystem.h.
497
498 2005-05-17  Jeff Law  <law@redhat.com>
499
500         * Makefile.in (tree-ssa-forwprop.o): Depend on langhooks.h.
501         * tree-ssa-forwprop.c: Include langhooks.h.
502         (forward_propagate_addr_expr_into_variable_array_index): New.
503         (forward_propagate_addr_expr): New.
504         (tree_ssa_forward_propagate_single_use_vars): Loop over all
505         the statements in the block instead of just the last statement.
506         Call forward_propagate_addr_expr as needed.
507         (pass_forwprop): Update the SSA graph after forward propagation is
508         complete.
509
510 2005-05-17  Nathan Sidwell  <nathan@codesourcery.com>
511
512         * unwind-dw2-fde-glibc.c (base_from_cb_data,
513         _Unwind_IteratePhdrCallback): Use gcc_assert and gcc_unreachable as
514         appropriate.
515         * unwind-dw2-fde.c (__deregister_frame_info_bases,
516         base_from_object, fde_split, end_fde_sort): Likewise.
517         * unwind-dw2.c (_Unwind_GetGR, _Unwind_SetGR, execute_stack_op, 
518         execute_cfa_program, _Unwind_SetSpColumn, uw_update_context_1,
519         uw_init_context_1): Likewise.
520         * unwind.inc (_Unwind_RaiseException_Phase2, _Unwind_Resume,
521         _Unwind_Resume_or_Rethrow): Likewise.
522         * unwind-pe.h (__gxx_abort): Do not define.
523         (size_of_encoded_value, base_of_encoded_value,
524         read_encoded_value_with_base): Use gcc_unreachable.
525         * unwind.h (_Unwind_GetTextRelBase): Likewise.
526
527 2005-05-17  Daniel Jacobowitz  <dan@codesourcery.com>
528
529         * config/arm/lib1funcs.asm (cfi_pop, cfi_push, cfi_start)
530         (cfi_end): New macros.
531         (RETLDM): Use cfi_pop.  Expect an eight byte stack frame.
532         (ARM_LDIV0, THUMB_LDIV0, DIV_FUNC_END): Use CFI macros.  Create
533         an eight byte stack frame.
534         (__NR_tkill): Define.
535         (__div0): Use gettid tkill on GNU/Linux.
536         (_arm_return): Add CFI.
537         (Lchange_\register, .Lchange_lr): Create an eight byte stack frame.
538
539 2005-05-17  Daniel Jacobowitz  <dan@codesourcery.com>
540
541         * configure.ac: Remove spaces around assignment to
542         gcc_cv_ld_sysroot.
543         * configure: Regenerated.
544
545 2005-05-17  David Edelsohn  <edelsohn@gnu.org>
546
547         * config/rs6000/aix.h (TARGET_ALTIVEC_VRSAVE): Delete.
548         * config/rs6000/rs6000.c (rs6000_explicit_options): Add
549         aix_struct_ret.
550         (rs6000_override_options): Do not protect TARGET_ALTIVEC_VRSAVE.
551         Modify aix_struct_return variable, not target_flags.
552         (rs6000_handle_option): Do not protect TARGET_ALTIVEC_VRSAVE.
553         (rs6000_return_in_memory): Test aix_struct_return.
554         * config/rs6000/rs6000.opt (maix-struct-return): Convert to
555         independent variable.  Report mxl-compat.
556
557 2005-05-17  Bernd Schmidt  <bernd.schmidt@analog.com>
558
559         * config/bfin/bfin.md (eh_return): Add missing DONE.
560
561 2005-05-17  Ian Lance Taylor  <ian@airs.com>
562
563         * read-rtl.c (struct macro_traverse_data): Add unknown_mode_attr
564         field.
565         (mode_attr_index): Remove check for defined attribute.  Remove
566         infile parameter.  Change all callers.
567         (apply_mode_maps): Add unknown parameter.  Change caller.  Always
568         return after finding attribute.
569         (apply_macro_to_rtx): Add unknown_mode_attr parameter.  Change
570         callers.
571         (apply_macro_traverse): Set mtd->unknown_mode_attr.
572         (read_rtx): Use mtd.unknown_mode_attr to check for an undefined
573         attribute used for a mode.
574
575 2005-05-17  Paolo Bonzini  <bonzini@gnu.org>
576
577         * tree-ssa-math-opts.c: New file.
578
579 2005-05-17  Paolo Bonzini  <bonzini@gnu.org>
580
581         * Makefile.in: Add tree-ssa-math-opts.c.
582         * expr.c (expand_expr_real_1) <case RDIV_EXPR>: Never emit as a*(1/b).
583         * fold-const.c (distribute_real_division): New.
584         (fold_binary) <case PLUS_EXPR, case MINUS_EXPR>: Use it.
585         * tree-pass.h (pass_cse_reciprocals): New.
586         * tree-optimize.c (init_tree_optimization_passes): Run it.
587         * doc/passes.texi: Document the new pass.
588
589 2005-05-17  Richard Guenther  <rguenth@gcc.gnu.org>
590
591         PR middle-end/21595
592         * builtins.c (fold_builtin_constant_p): Handle
593         &"string cst"[0] as constant.
594
595 2005-05-17  Richard Henderson  <rth@redhat.com>
596
597         * config/i386/sse.md (mulv16qi3, mulv2di3): New.
598
599 2005-05-17  Jakub Jelinek  <jakub@redhat.com>
600
601         PR middle-end/21492
602         * cfgcleanup.c (try_crossjump_to_edge): update_forwarder_flag for
603         src2 if src2 has been split.
604
605         PR tree-optimization/21610
606         * c-typeck.c (decl_constant_value_for_broken_optimization): If not
607         returning DECL, call unshare_expr.
608
609 2005-05-17  Hans-Peter Nilsson  <hp@axis.com>
610
611         * config/cris/cris.md: Unquote preparation and output statements.
612         (BWD, WD, BW): New, mode-macros.
613         (S, s, m, mm, nbitsm1): New, mode-attrs.
614         (szext, shift, shiftrt, ncond, ocond, rcond): New, code-macros.
615         (u, su, shlr, slr, ncond, ocond, rcond, rCC, oCC, roCC): New,
616         code-attrs.
617         ("tst<mode>"): Replace "tstqi", "tsthi" and "tstsi".
618         ("*cmp_ext<mode>"): Replace "*cmp_extsi" and "*cmp_exthi".
619         ("*cmp_swapext<mode>"): Replace "*cmp_swapextqi" and
620         "*cmp_swapexthi".
621         ("cmp<mode>"): Replace "cmphi" and "cmpqi".
622         ("movdi"): Move misplaced head comment regarding necessity of
623         movdi from movsi to here.
624         ("*mov_side<mode>_biap"): Replace "*mov_sideqi_biap" and
625         "*mov_sidehi_biap".
626         ("*mov_side<mode>"): Replace "*mov_sideqi" and "*mov_sidehi".
627         ("*mov_side<mode>_biap_mem", "*mov_sidehi_biap_mem"): Replace
628         "*mov_sideqi_biap_mem".
629         ("*mov_side<mode>_mem"): Replace "*mov_sideqi_mem" and
630         "*mov_sidehi_mem".
631         ("*clear_side<mode>_biap"): Replace "*clear_sidesi_biap",
632         "*clear_sidehi_biap" and "*clear_sideqi_biap".
633         ("*clear_side<mode>"): Replace "*clear_sidesi", "*clear_sidehi"
634         and "*clear_sideqi".
635         ("*ext_side<mode>si_biap"): Replace "*ext_sideqisi_biap" and
636         "*ext_sidehisi_biap".
637         ("*ext_side<mode>si"): Replace "*ext_sideqisi" and
638         "*ext_sidehisi".
639         ("reload_in<mode>"): Replace "reload_inhi" and "reload_inqi".
640         ("reload_out<mode>"): Replace "reload_outhi" and "reload_outqi".
641         ("extend<mode>di2"): Replace "extendhidi2" and "extendqidi2".
642         ("extend<mode>si2"): Replace "extendhisi2" and "extendqisi2".
643         ("zero_extend<mode>si2"): Replace "zero_extendhisi2" and
644         "zero_extendqisi2".
645         ("*op_side<mode>_biap"): Replace "*op_sideqi_biap",
646         "*op_sidehi_biap" and "*op_sidesi_biap".
647         ("*op_side<mode>"): Replace "*op_sideqi", "*op_sidehi" and
648         "*op_sidesi".
649         ("*op_swap_side<mode>_biap"): Replace "*op_swap_sideqi_biap",
650         "*op_swap_sidehi_biap" and "*op_swap_sidesi_biap".
651         ("*op_swap_side<mode>"): Replace "*op_swap_sideqi",
652         "*op_swap_sidehi" and "*op_swap_sidesi".
653         ("sub<mode>3"): Replace "subhi3" and "subqi3", correcting a typo
654         in the N alternative of "subqi3".
655         ("*extop<mode>si_side_biap"): Replace "*extopqisi_side_biap" and
656         "*extophisi_side_biap".
657         ("*extop<mode>si_side"): Replace "*extopqisi_side" and
658         "*extophisi_side".
659         ("*extop<mode>si_swap_side_biap"): Replace
660         "*extopqisi_swap_side_biap" and "*extophisi_swap_side_biap".
661         ("*extop<mode>si_swap_side"): Replace "*extopqisi_swap_side" and
662         "*extophisi_swap_side".
663         ("*extop<mode>si"): Replace "*extopqisi" and "*extophisi".
664         ("*extop<mode>si_swap"): Replace "*extopqisi_swap" and
665         "*extophisi_swap".
666         ("<u>mul<s><mode>3"): Replace "umulhisi3", "umulqihi3",
667         "mulqihi3", "mulhisi3" and "mulhisi3".
668         ("<u>mulsidi3"): Replace "mulsidi3" and "umulsidi3".
669         ("<su>mulsi3_highpart"): Replace "smulsi3_highpart" and
670         "umulsi3_highpart".
671         ("xor<mode>3"): Replace "xorhi3" and "xorqi3".
672         ("neg<mode>2"): Replace "negsi2", "neghi2" and "negqi2".
673         ("one_cmpl<mode>2"): Replace "one_cmplhi2" and "one_cmplqi2".
674         ("<shlr>si3"): Replace "ashrsi3", "lshrsi3" and "ashlsi3".
675         ("ashr<mode>3"): Replace "ashrhi3" and "ashrqi3".
676         ("*expanded_<shlr><mode>"): Replace "*expanded_ashrhi",
677         "*expanded_ashrqi", "*expanded_lshrhi" and "*expanded_lshrqi".
678         ("*<shlr><mode>_lowpart"): Replace "*ashrhi_lowpart",
679         "*ashrqi_lowpart", "*lshrhi_lowpart" and "*lshrqi_lowpart".
680         ("lshr<mode>3"): Replace "lshrhi3" and "lshrqi3".
681         ("ashl<mode>3"): Replace "ashlhi3" and "ashlqi3".
682         ("*ashl<mode>_lowpart"): Replace "*ashlqi_lowpart" and
683         "*ashlhi_lowpart".
684         ("abs<mode>2"): Replace "abshi2" and "absqi2".
685         ("b<ncond>"): Replace "beq", "bne", "bgtu", "bltu", "bgeu" and
686         "bleu".
687         ("b<ocond>"): Replace "bgt" and "ble".
688         ("b<rcond>"): Replace "blt" and "bge".
689         ("*b<ncond>_reversed"): Replace "*beq_reversed", "*bne_reversed",
690         "*bgtu_reversed", "*bltu_reversed", "*bgeu_reversed" and
691         "*bleu_reversed".
692         ("*b<ocond>_reversed"): Replace "*bgt_reversed" and
693         "*ble_reversed".
694         ("*b<rcond>_reversed"): Replace "*blt_reversed" and
695         "*blt_reversed".
696         ("s<ncond>"): Replace "sgeu", "sltu", "seq", "sgtu", "sleu" and
697         "sne".
698         ("s<rcond>"): Replace "sge" and "slt".
699         ("s<ocond>"): Replace "sgt" and "sle".
700         ("clear.[bwd] [rx=rx+rz.S2]"): Replace split clear.d
701         [rx=rx+rz.S2], clear.w [rx=rx+rz.S2] and clear.b [rx=rx+rz.S2].
702         ("clear.[bwd] [rx=rx+i]"): Replace splits clear.d [rx=rx+i],
703         clear.w [rx=rx+i] and clear.b [rx=rx+i].
704
705 2005-05-17  Jakub Jelinek  <jakub@redhat.com>
706
707         * varasm.c (struct constant_descriptor_tree): Add hash field.
708         (const_desc_hash): Just return hash field.
709         (const_desc_eq): If hash values are different, return 0 immediately.
710         (output_constant_def): Compute hash field of temporary key, use
711         htab_find_slot_with_hash instead of htab_find_slot.  Set hash in
712         newly built constant descriptor.
713         (lookup_constant_def): Compute hash field of temporary key, use
714         htab_find_with_hash instead of htab_find.
715
716 2005-05-16  Richard Henderson  <rth@redhat.com>
717
718         * config/i386/sse.md (mulv4si3): New.
719
720 2005-05-17  Hans-Peter Nilsson  <hp@axis.com>
721
722         * config/cris/cris.h (EXTRA_CONSTRAINT_T): Remove FIXME and
723         tests for noncanonical versions of reg+constant and
724         reg+reg*{1,2,4}.
725
726 2005-05-16  Richard Henderson  <rth@redhat.com>
727             Steven Bosscher <stevenb@suse.de>
728
729         PR tree-opt/21399
730         * tree-eh.c (maybe_clean_or_replace_eh_stmt): Rename from 
731         maybe_clean_eh_stmt; take old stmt parameter.  Update EH
732         region data structure to match replacement.
733         * tree-flow.h: Update to match.
734         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
735         * tree-ssa-dom.c (optimize_stmt): Likewise.
736         * tree-ssa-pre.c (eliminate): Likewise.
737         * tree-ssa-propagate.c (substitute_and_fold): Likewise.
738
739 2005-05-16  Caroline Tice  <ctice@apple.com>
740
741         * bb-reorder.c (verify_hot_cold_block_grouping):  Replace
742         internal_error with gcc_assert.
743         * dwarf2out.c (dwarf2out_switch_text_section):  Likewise.
744         * function.h (struct function): Remove space between "*" and
745         struct field names.
746         * varasm.c (initialize_cold_section_name):   Add gcc_assert;
747         modify to use alloca.
748         (unlikely_text_section): Add check for flag_function_sections.
749         (assemble_start_function):  Move call to resolve_section, so it
750         comes before first call to unlikely_text_section.
751         (assemble_end_function):  Add test and call to function_section
752         if appropriate.
753         
754 2005-05-16  Roger Sayle  <roger@eyesopen.com>
755
756         * c-common.c (c_common_truthvalue_conversion): Use fold_build2
757         instead of build_binary_op when performing code transformations
758         to avoid error messages about constructs not it the user's code.
759
760 2005-05-16  Kazu Hirata  <kazu@cs.umass.edu>
761
762         * tree-ssa-pre.c: Fix a comment typo.
763
764 2005-05-16  Richard Henderson  <rth@redhat.com>
765
766         PR target/21556
767         * config/ia64/ia64.md (load_dtpmod, load_ltoff_dtpmod, load_dtprel,
768         load_dtprel64, load_dtprel22, load_dtprel_gd, load_ltoff_dtprel,
769         add_dtprel, add_dtprel14, add_dtprel22, load_tprel, load_tprel64,
770         load_tprel22, load_tprel_ie, load_ltoff_tprel, add_tprel, add_tprel14,
771         add_tprel22): Remove mode from symbolic operand.
772
773 2005-05-16  Richard Sandiford  <rsandifo@redhat.com>
774
775         * optc-gen.awk: Include intl.h after the externally-provided files.
776
777 2005-05-16  Kazu Hirata  <kazu@cs.umass.edu>
778
779         * tree-ssa-copy.c (copy_prop_visit_assignment): Clean up by
780         folding a COND_EXPR_COND in a nondestructive manner.
781
782 2005-05-16  Fariborz Jahanian <fjahanian@apple.com>
783
784         * config/rs6000/altivec.md (altivec_vmrghb, altivec_vmrghh, 
785         altivec_vmrghw, altivec_vmrglb, altivec_vmrglh, altivec_vmrglw):
786         New values for vec_select definitions and bitmask for element
787         selection.
788          
789 2005-05-16  Kazu Hirata  <kazu@cs.umass.edu>
790
791         * dwarf2out.c (used_rtx_varray): Rename to used_rtx_array.
792         Change the type to VEC(rtx,gc)*.
793         (mem_loc_descriptor, add_const_value_attributes,
794         dwarf2out_init): Adjust uses of used_rtx_varray.
795
796         * tree-data-ref.c (compute_all_dependences): Change the type
797         of dependence_relations to VEC(ddr_p,heap)**.
798         (compute_data_dependences_for_loop): Change the type of
799         allrelations to VEC(ddr_p,heap)*.
800
801 2005-05-16  Richard Sandiford  <rsandifo@redhat.com>
802
803         * Makefile.in (options.c): Tell optc-gen.awk to include config.h,
804         system.h, coretypes.h and tm.h.
805         (options.o): Update dependencies accordingly.
806         * optc-gen.awk: Allow header_name to be a list of filenames.
807         Handle the "Condition" flag.
808         * opts.h (CL_DISABLED): New flag.
809         * opts.c (handle_option): Print an error for CL_DISABLED options.
810         * doc/options.texi: Document the "Condition" option flag.
811
812 2005-05-16  Paolo Bonzini  <bonzini@gnu.org>
813
814         * tree-inline.c (estimate_num_insns_1): Handle VEC_COND_EXPR.
815
816 2005-05-15  Roger Sayle  <roger@eyesopen.com>
817
818         * tree-scalar-evolution.c (set_nb_iterations_in_loop): Only
819         check for TREE_OVERFLOW on INTEGER_CST trees.
820         * tree-chrec.c (chrec_convert): Only clear TREE_OVERFLOW on
821         CONSTANT_CLASS_P tree nodes.
822
823 2005-05-15  H.J. Lu  <hongjiu.lu@intel.com>
824
825         PR target/21551
826         * config/ia64/ia64.c (ia64_expand_move): Don't add addend twice.
827
828 2005-05-15  Daniel Berlin  <dberlin@dberlin.org>
829             
830         Fix PR tree-optimization/21576
831         
832         * tree-ssa-pre.c (expression_node_pool): New pool.
833         (comparison_node_pool): Ditto.
834         (list_node_pool): Ditto.
835         (pool_copy_list): New function.
836         (phi_translate): Handle CALL_EXPR.
837         (valid_in_set): Ditto.
838         (create_expression_by_pieces): Ditto.
839         (insert_into_preds_of_block): Ditto.
840         (insert_aux): Ditto.
841         (compute_avail): Ditto.
842         (create_value_expr_from): Handle TREE_LIST and CALL_EXPR.
843         (can_value_number_call): New function.
844         (find_leader): Update comment.
845         (init_pre): Create new pools.
846         (fini_pre): Free new pools.
847         (pass_pre): Add TODO_update_ssa for the future when we are going
848         to need vops.
849         * tree-vn.c (expressions_equal_p): Handle TREE_LIST.
850         (set_value_handle): Ditto.
851         (get_value_handle): Ditto.
852
853 2005-05-15  Richard Earnshaw  <richard.earnshaw@arm.com>
854
855         * arm.c (thumb_unexpanded_epilogue): Delete unused variable 'mode'.
856
857 2005-05-15  Andreas Jaeger  <aj@suse.de>
858
859         * gcc.c (pfatal_pexecute): Remove unused local function.
860
861 2005-05-15  Richard Sandiford  <rsandifo@redhat.com>
862
863         * optc-gen.awk: Remove excess indentation.
864         * opth-gen.awk: Likewise.
865
866 2005-05-14  Kaz Kojima  <kkojima@gcc.gnu.org>
867
868         * config/sh/sh.c (sh_output_mi_thunk): Check cfun->cfg instead
869         of basic_block_info.  Call init_flow and find_basic_blocks
870         before dbr_schedule if needed.
871
872 2005-05-14  Kazu Hirata  <kazu@cs.umass.edu>
873
874         * tree-optimize.c (init_tree_optimization_passes): Move
875         pass_cd_dce in place of the last pass_dce.
876
877         PR tree-optimization/21563
878         * tree-vrp.c (compare_value): Return boolean_false_node when
879         SSA_NAME in "if (SSA_NAME == CST)" is strictly smaller than or
880         strictly larger than CST.
881
882 2005-05-14  Nathan Sidwell  <nathan@codesourcery.com>
883             Jan-Benedict Glaw  <jbglaw@lug-owl.de>
884
885         * config/vax/vax.c: (print_operand_address) Use gcc_unreachable() and
886         gcc_assert().
887         (rev_cond_name) Likewise.
888         (vax_float_literal) Likewise.
889         * config/vax/vax.md: Likewise.
890
891 2005-05-14  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
892
893         * config/vax/vax.md: define_constant VAXens AP, FP, SP and PC
894         registers and use them (specifically the stack pointer).
895         * config/vax/vax.h: Use above defines right here.
896
897         * config/vax/vax.c: (override_options) Remove 'register' keyword.
898         (split_quadword_operands) Likewise. (rev_cond_name) Likewise.
899         (vax_float_literal) Likewise. (vax_rtx_costs) Remove trailing
900         whitespace.
901         * config/vax/vax.h: Remove 'register' keyword. Misc. whitespace fixes,
902         mostly removal of trailing spaces...
903         * config/vax/vax-modes.def: Remove trailing whitespace.
904
905         * config/vax/elf.h: Update whitespace.
906
907 2005-05-14  Richard Guenther  <rguenth@gcc.gnu.org>
908
909         Revert
910         2005-05-11  Richard Guenther  <rguenth@gcc.gnu.org>
911         * fold-const.c (fold_indirect_ref_1): Avoid removing
912         NOP_EXPRs with type qualifiers like const.
913
914 2005-05-14  Jan Hubicka  <jh@suse.cz>
915
916         Patch by Richard Henderson:
917         * tree-eh.c (tree_can_throw_internal, tree_can_throw_external):
918         Handle RESX expressions properly.
919
920         * tree-eh.c (record_stmt_eh_region): Use add_stmt_to_eh_region.
921         (add_stmt_to_eh_region_fn): Nest into CALL_EXPR.
922         (remove_stmt_from_eh_region_fn): Likewise.
923
924         * tree-cfg.c (execute_warn_function_return): Break out noreturn
925         warning too..
926         (execute_warn_function_noreturn): ... here.
927         (pass_warn_function_noreturn): New pass.
928         * tree-pass.h (pass_warn_function_noreturn): Declare
929         * tree-optimize.c (init_tree_optimization_passes): Move return
930         warnings early and add noreturn warnings at place of previous
931         return warnings.
932
933 2005-05-14  Kazu Hirata  <kazu@cs.umass.edu>
934
935         * tree-ssa-live.c (tpa_init, tpa_delete, tpa_compact,
936         root_var_init, type_var_init): Use VEC instead of VARRAY.
937         * tree-ssa-live.h (tree_partition_associator_d): Change the
938         type of trees to VEC(tree,heap)*.
939         (tpa_tree): Use VEC instead of VARRAY.
940
941 2005-05-14  Richard Guenther  <rguenth@gcc.gnu.org>
942
943         * fold-const.c (div_if_zero_remainder): New function.
944         (try_move_mult_to_index): Use it.
945
946 2005-05-14  Kazu Hirata  <kazu@cs.umass.edu>
947
948         * tree-eh.c (leh_tf_state): Change the type of dest_array to
949         VEC(tree,heap)*.
950         (maybe_record_in_goto_queue, lower_try_finally_onedest,
951         lower_try_finally_copy, lower_try_finally_switch,
952         lower_try_finally): Use VEC instead of VARRAY.
953
954 2005-05-14  Hans-Peter Nilsson  <hp@axis.com>
955
956         * config/cris/cris.h (Node: Register Classes): Remove obsoleted
957         comment regarding defined register classes.
958         (LEGITIMIZE_RELOAD_ADDRESS): Do not define.
959
960 2005-05-14  Kazu Hirata  <kazu@cs.umass.edu>
961
962         * tree-optimize.c (init_tree_optimization_passes): Move
963         pass_merge_phi before the first pass_dominator.
964
965 2005-05-13  Richard Earnshaw  <richard.earnshaw@arm.com>
966
967         * arm.h (INITIALIZE_TRAMPOLINE): Make the call to __clear_cache
968         unconditional.
969
970 2005-05-13  Josh Conner  <jconner@apple.com>
971
972         * config/arm/arm.c (arm_size_return_regs): New.
973         (thumb_unexpanded_epilogue): replace in-line calculation
974         of return registers with call to arm_size_return_regs.
975         (use_return_insn): Include test of which registers are
976         being used to hold return values, to accommodate
977         vector return values.
978
979 2005-05-11  Aldy Hernandez  <aldyh@redhat.com>
980
981         * config/rs6000/sysv4.opt (mlittle): Handle.
982
983         * config/rs6000/rs6000.c (rs6000_handle_option): Set
984         target_flags_explicit when appropriate.
985
986 2005-05-13  J"orn Rennecke <joern.rennecke@st.com>
987
988         PR middle-end/20714:
989         * optabs.c (no_conflict_data): New struct.
990         (no_conflict_move_test): New function.
991         (emit_no_conflict_block): Use it.
992
993 2005-05-13  Adam Nemet  <anemet@lnxw.com>
994
995         * doc/invoke.texi (Debugging Options): Option
996         -fdump-translation-unit only works with C++ now.
997
998 2005-05-13  Hans-Peter Nilsson  <hp@axis.com>
999
1000         Replace calls to abort in CRIS port.
1001         * config/cris/cris.h (CRIS_ASSERT): New macro.
1002         * config/cris/cris.md ("*movsi_internal"): Use CRIS_ASSERT and
1003         internal_error instead of abort.
1004         ("movsi"): Ditto.  Unquote preparation statement section.
1005         ("call", "call_value"): Ditto, but use gcc_assert where
1006         appropriate.  Tweak comments.
1007         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Define in terms of
1008         CRIS_ASSERT.
1009         (cris_op_str): Call internal_error, not abort.
1010         (cris_print_operand): Tweak "abort" reference to "die" in comment.
1011         (cris_initial_elimination_offset): Call gcc_unreachable, not abort.
1012         (cris_notice_update_cc): Call internal_error, not abort.
1013         (cris_expand_return, cris_expand_prologue, cris_gen_movem_load)
1014         (cris_emit_movem_store, cris_asm_output_symbol_ref)
1015         (cris_output_addr_const_extra): Use CRIS_ASSERT, don't call abort.
1016         (cris_symbol, cris_got_symbol): Use CRIS_ASSERT instead of
1017         ENABLE_CHECKING-guarded abort call.
1018         (cris_split_movdx): Use CRIS_ASSERT instead of abort with test.
1019         Use internal_error at end of test-chain.
1020
1021 2005-05-13  J"orn Rennecke <joern.rennecke@st.com>
1022
1023         PR rtl-optimization/20769:
1024         * bt-load.c (compute_defs_uses_and_gen): Check for the blockage
1025         pattern emitted by expand_nl_goto_receiver.
1026
1027         PR middle-end/20793:
1028         * integrate.c (allocate_initial_values): Update register liveness
1029         information.
1030
1031 2005-05-13  Josh Conner  <jconner@apple.com>
1032
1033         * arm.c (arm_return_in_memory): Add handling for vector return types.
1034
1035 2005-05-13  David Ung  <davidu@mips.com>
1036
1037         * config/mips/mips.h (processor_type): Add new PROCESSOR_4KP
1038         name.
1039         * config/mips/mips.c: Add 4km alias.
1040         * config/mips/mips.md: Add 4kp to cpu attrib and include 4k.md.
1041         * config/mips/4k.md: New file, add 4Kc/4Kp DFA pipeline
1042         description.
1043
1044 2005-05-13  Jan Hubicka  <jh@suse.cz>
1045
1046         * c-decl.c (finish_function): Suppress "control reaches end of
1047         non-void function" when "no return statement in function
1048         returning non-void" is issued.
1049
1050         * tree-inline.c (copy_body_r): Simplify substituted ADDR_EXPRs.
1051         * tree-optimize.c (pass_gimple): Kill.
1052         (init_tree_optimization_passes): Kill pass_gimple.
1053         * tree-cfg.c (build_tree_cfg): Do verify_stmts to check that we are gimple.
1054         * tree-dump.c (dump_files): Rename .generic to .gimple.*
1055
1056 2005-05-13  J"orn Rennecke <joern.rennecke@st.com>
1057
1058         PR rtl-optimization/20756:
1059         * basic-block.h (PROP_DEAD_INSN): Define.
1060         * flow.c (propagate_one_insn): Set during mark_set_regs call
1061         for a dead insn.
1062         (mark_set_1): Emit a clobber when we are about to delete a dead insn
1063         that kills a live register.
1064
1065 2005-05-13  Adrian Straetling  <straetling@de.ibm.com>
1066
1067         * config/s390/s390.md: ("DBL"): New mode attribute.
1068         ("*movmem_long_64", "*movmem_long_31"): Merge to "*movmem_long".
1069         ("*clrmem_long_64", "*clrmem_long_31"): Merge to "*clrmem_long".
1070         ("*cmpmem_long_64", "*cmpmem_long_31"): Merge to "*cmpmem_long".
1071
1072 2005-05-13  Richard Guenther  <rguenth@gcc.gnu.org>
1073
1074         * c-format.c (check_format_arg): Handle string literals of
1075         the form &"string"[offset].
1076
1077         * g++.dg/warn/format4.C: New testcase.
1078
1079 2005-05-13  Kazu Hirata  <kazu@cs.umass.edu>
1080
1081         * config/mips/3000.md, config/mips/4000.md,
1082         config/mips/4100.md, config/mips/4300.md, config/mips/4600.md,
1083         config/mips/5000.md, config/mips/7000.md, config/mips/9000.md,
1084         config/mips/generic.md, config/pdp11/pdp11.md,
1085         config/sh/crt1.asm, config/sh/lib1funcs.asm,
1086         config/sh/sh-modes.def, config/sh/sh-protos.h,
1087         config/sh/shmedia.md, config/sh/ushmedia.h: Update copyright.
1088
1089 2005-05-13  Richard Henderson  <rth@redhat.com>
1090
1091         * function.c (instantiate_virtual_regs_in_insn): Do not simplify
1092         addition to move unless dest is a register.  Do not skip
1093         instantiation in dest on addition simplification.
1094
1095 2005-05-13  Hans-Peter Nilsson  <hp@axis.com>
1096
1097         * config/cris/cris.c (cris_print_operand) <case 'H'; case
1098         CONST_INT>: Use operand_subword and HOST_WIDE_INT_PRINT_DEC for
1099         output; don't have special case for HOST_BITS_PER_WIDE_INT == 32.
1100
1101 2005-05-13  Jan Hubicka  <jh@suse.cz>
1102
1103         * basic-block.h (FOR_ALL_BB_FN): New macro.
1104         (init_flow): Initialize cfg structure.
1105         * function.c (allocate_struct_function): Do not initialize cfg structure.
1106         * tree-cfg.c (init_empty_tree_cfg): Break out from ...
1107         (build_tree_cfg): ... here.
1108         * tree-flow.h (init_empty_tree_cfg): Declare.
1109
1110 2005-05-12  Steven Bosscher <stevenb@suse.de>
1111
1112         Fix PR tree-optimization/21520
1113         * tree-ssa-pre.c (phi_translate): Use fully_constant_expression
1114         to attempt to fold constants.
1115
1116 2005-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
1117
1118         * config/sh/sh.c: Declare the prototype of sh_adjust_unroll_max
1119         only when TARGET_ADJUST_UNROLL_MAX is defined.
1120         (general_movsrc_operand): Use the C style comment.
1121         (ua_offset): Use prototype.
1122
1123 2005-05-12  Zdenek Dvorak  <dvorakz@suse.cz>
1124
1125         * tree-ssa-loop-im.c (struct mem_ref): Add field "next".
1126         (struct hmr_data, hoist_memory_reference, memref_del,
1127         struct fmrv_data): Removed.
1128         (hoist_memory_references, free_mem_ref, free_mem_refs): New functions.
1129         (gather_mem_refs, gather_mem_refs_stmt): Add new references to the
1130         list.
1131         (find_more_ref_vops): Traverse the list of memory references.
1132         (determine_lsm_loop): Work with the list of memory references instead
1133         of traversing the hashtable.
1134
1135 2005-05-12  Steven Bosscher  <stevenb@suse.de>
1136             Stuart Hastings <stuart@apple.com>
1137             Jan Hubicka  <jh@suse.cz>
1138
1139         * except.c  (duplicate_eh_region_1, duplicate_eh_region_2,
1140         duplicate_eh_regions): New functions, based on old
1141         implementation removed with RTL inliner.
1142         (reachable_next_level): Modify behaviour pre-inline.
1143         * except.h (duplicate_eh_regions_map, duplicate_eh_regions):
1144         Declare.
1145         * function.h (struct function): Add after_inlining flag.
1146         * tree-optimize.c (tree_rest_of_compilation): Set it.
1147         * tree-eh.c (add_stmt_to_eh_region_fn): Initialize hashtable
1148         when needed.
1149         * tree-cfg.c (label_to_block_fn): Deal with cases where
1150         label was never insterted into code.
1151
1152 2005-05-12  Zack Weinberg  <zack@codesourcery.com>
1153
1154         * doc/cpp.texi: Document that #sccs is a synonym for #ident.
1155
1156 2005-05-12  Daniel Berlin  <dberlin@dberlin.org>
1157
1158         Fix PR tree-optimization/21532
1159         * tree-ssa-pre.c (create_expression_by_pieces): stmt
1160         needs to go onto the inserted_exprs list.
1161
1162 2005-05-12  Ian Lance Taylor  <ian@airs.com>
1163
1164         * c-common.h (statement_code_p): Don't declare.
1165         (STATEMENT_CODE_P): Don't define.
1166         (INIT_STATEMENT_CODES): Don't define.
1167         * c-common.c (statement_code_p): Don't define.
1168
1169 2005-05-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
1170
1171         * config/sparc/sparc.h: Remove dead code.
1172         * config/sparc/sparc.c (sparc_compute_frame_size): Use
1173         FIRST_PARM_OFFSET for the size of the register window area.
1174         (emit_save_regs): Rename into emit_save_or_restore_regs.
1175         Add 'action' parameter.  Use 4095 as upper bound for the offset.
1176         Pass 'action' to save_or_restore_regs.
1177         (emit_restore_regs): Delete.
1178         (sparc_expand_prologue): Call emit_save_or_restore_regs.
1179         (sparc_expand_epilogue): Likewise.
1180         * config/sparc/sparc.md (mode macro P): Move.
1181         (movdi_insn_sp32_v9, movdi_insn_sp32): Swap.
1182         (mov<V32:mode> expander): Move to the top of the V32 section.
1183         (movdf_insn_sp32_v9_no_fpu, movdf_insn_sp32_v9): Swap.
1184         (movtf_insn_sp64_hq, movtf_insn_sp64): Swap.
1185         (sibcall_epilogue): Move.
1186
1187 2005-05-12  Richard Earnshaw  <richard.earnshaw@arm.com>
1188
1189         PR target/21501
1190         * arm.c (arm_gen_constant): Sign-extend intermediate values when
1191         synthesizing a constant of the difference of two immediates.
1192
1193 2005-05-12  Richard Earnshaw  <richard.earnshaw@arm.com>
1194
1195         * arm/vfp.md (negsf2_vfp): Add alternative using integer registers.
1196         (negdf2_vfp): Likewise.  Convert to define_insn_and_split and split
1197         the alternatives using integer registers into the appropriate
1198         primitives.
1199
1200 2005-05-11 Kenneth Zadeck <zadeck@naturalbridge.com>
1201
1202         * bitmap.c (bitmap_elmt_to_freelist, bitmap_element_allocate,
1203         bitmap_elt_clear_from, bitmap_clear): Changed freelist structure.
1204         * bitmap.h: Fixed comments.
1205
1206 2005-05-11  Richard Henderson  <rth@redhat.com>
1207
1208         PR target/21412
1209         * config/ia64/ia64.c (TARGET_CANNOT_FORCE_CONST_MEM): New.
1210         (ia64_cannot_force_const_mem): New.
1211         (tls_symbolic_operand_type): New.
1212         (ia64_legitimate_constant_p): New.
1213         (ia64_expand_load_address): Return true on success.  Improve
1214         checks for when we should not split.
1215         (ia64_expand_tls_address): New addend operand.  Distribute it
1216         as appropriate to the tls_kind.  Delay referencing gp.
1217         (ia64_expand_move): Split symbolic addend as necessary.  Handle
1218         tls symbols with addends.
1219         * config/ia64/ia64-protos.h: Update.
1220         * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): False for r0,
1221         p0, f0, f1, and r13.
1222         (LEGITIMATE_CONSTANT_P): Move to ia64_legitimate_constant_p.
1223         * config/ia64/ia64.md (UNSPEC_DTPMOD): New.
1224         (symbolic_operand splitter): Pass everything through
1225         ia64_expand_load_address and FAIL or DONE as appropriate.
1226         (load_fptr): Only accept after reload.
1227         (load_fptr_internal1, gprel64_offset, load_gprel64, load_symptr_high,
1228         load_symptr_low, load_ltoff_dtpmod,
1229         (load_dtpmod): New.
1230         (load_dtprel): Only accept tls symbols.
1231         (load_dtprel64, load_dtprel22): Likewise.
1232         (load_tprel, load_tprel64, load_tprel22): Likewise.
1233         (load_dtprel_gd, load_ltoff_dtprel, load_tprel_ie): New.
1234         (add_dtprel): Only accept tls symbols.  Canonicalize PLUS.
1235         (add_dtprel14, add_dtprel22): Likewise.
1236         (add_tprel, add_tprel14, add_tprel22): Likewise.
1237         * config/ia64/predicates.md (small_addr_symbolic_operand): New.
1238         (any_offset_symbol_operand, aligned_offset_symbol_operand): New.
1239         (got_symbolic_operand): Check CONST offsets.
1240         (tls_symbolic_operand, ld_tls_symbolic_operand): New.
1241         (ie_tls_symbolic_operand, le_tls_symbolic_operand): New.
1242         (move_operand): Don't handle tls here.  Check CONST offsets.
1243
1244 2005-05-11  Richard Sandiford  <rsandifo@redhat.com>
1245
1246         * config/mips/7000.md (rm7_impy_si_mult): Just match imul and imadd.
1247         Remove hilo_operand check.
1248         (rm7_impy_si_mul): Just match imul3.  Remove hilo_operand check.
1249         * config/mips/predicates.md (hilo_operand): Delete.
1250
1251 2005-05-11  Richard Sandiford  <rsandifo@redhat.com>
1252
1253         * config/mips/sr71k.md, config/mips/7000.md: Reformat.
1254
1255 2005-05-11  Kazu Hirata  <kazu@cs.umass.edu>
1256
1257         PR tree-optimizer/18472
1258         * tree-if-conv.c (tree_if_convert_stmt,
1259         if_convertible_modify_expr_p): Don't handle GOTO_EXPR.
1260
1261 2005-05-11  Jan Hubicka  <jh@suse.cz>
1262
1263         * Makefile.in (tree-eh.o: Kill gt-tree-eh.h dependency.
1264         (GTFILES): add except.h.
1265         * except.c (eh_status): Add throw_stmt_table.
1266         (set_eh_throw_stmt_table, get_eh_throw_stmt_table): New functions.
1267         * except.h (add_stmt_to_eh_region_fn, remove_stmt_from_eh_region_fn,
1268         lookup_stmt_eh_region_fn): Declare.
1269         (throw_stmt_node): New structure.
1270         (set_eh_throw_stmt_table, get_eh_throw_stmt_table): New.
1271         * gengtype.c (open_base_files): Add except.h to inlines.
1272         * tree-eh.c (throw_stmt_node): Kill.
1273         (record_stmt_eh_region): Update.
1274         (add_stmt_to_eh_region_fn): Break out from ...
1275         (add_stmt_to_eh_region): ... here.
1276         (remove_stmt_from_eh_region_fn): Break out from ...
1277         (remove_stmt_from_eh_region): ... here.
1278         (lookup_stmt_eh_region_fn): Break out from ...
1279         (lookup_stmt_eh_region): ... here.
1280         (honor_protect_cleanup_actions): Use build_resx.
1281         (lower_try_finally_onedest): Likewise.
1282         (lower_try_finally_copy): Likewise.
1283         (lower_try_finally_switch): Likewise.
1284         (lower_eh_constructs): Update eh table construction.
1285         * tree.c (build_resx): New.
1286         * tree.h (build_resx): Declare.
1287
1288 2005-05-11  H.J. Lu  <hongjiu.lu@intel.com>
1289
1290         * libgcov.c (gcov_exit): Set prefix_length to 0 if no relocation
1291         is needed.
1292
1293 2005-05-11  Kazu Hirata  <kazu@cs.umass.edu>
1294
1295         * fold-const.c, libgcov.c: Fix comment typos.
1296
1297         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove
1298         redundant code.
1299
1300 2005-05-11  Daniel Jacobowitz  <dan@codesourcery.com>
1301
1302         * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1303         * config/arm/arm.h (SUBTARGET_FRAME_POINTER_REQUIRED): Provide
1304         default definition.
1305         (FRAME_POINTER_REQUIRED): Use SUBTARGET_FRAME_POINTER_REQUIRED.
1306
1307 2005-05-11  Nathan Sidwell  <nathan@codesourcery.com>
1308
1309         PR bootstrap/21481
1310         * crtstuff.c: Include auto-host.h again, for now.
1311
1312 2005-05-11  Richard Sandiford  <rsandifo@redhat.com>
1313
1314         * config/mips/24k.md: Remove trailing whitespace.
1315
1316 2005-05-11  David Ung  <davidu@mips.com>
1317
1318         * config/mips/mips.md (type): Add imul3.
1319         (length, hazard, may_clobber_hilo): Check for imul3.
1320         (mulsi3_mult3, muldi3_mult3, *muls, <su>mulsi3_highpart_mulhi_internal)
1321         (*<su>mulsi3_highpart_neg_mulhi_internal): Set attr to imul3.
1322         * config/mips/24k.md (r24k_int_mul3): Enable this reservation
1323         for a 3 operand mul and its bypasses.
1324         * config/mips/3000.md (r3k_imul): Add imul3 to reservations.
1325         * config/mips/4000.md (r4k_imul): Likewise.
1326         * config/mips/4100.md (r4100_imul_si, r4100_imul_di):  Likewise.
1327         * config/mips/4130.md (vr4130_class, vr4130_mulsi)
1328         (vr4130_muldi): Likewise.
1329         * config/mips/4300.md (r4300_imul_si, r4300_imul_di): Likewise.
1330         * config/mips/4600.md (r4600_imul, r4650_imul): Likewise.
1331         * config/mips/5000.md (r5k_imul_si, r5k_imul_di): Likewise.
1332         * config/mips/5400.md (ir_vr54_imul_si, ir_vr54_imul_di)
1333         (ir_vr54_imadd_si): Likewise.
1334         * config/mips/5500.md (ir_vr55_imul_si, ir_vr55_imul_di):  Likewise.
1335         * config/mips/7000.md (rm7_impy_si_mult, rm7_impy_si_mul)
1336         (rm7_impy_di): Likewise.
1337         * config/mips/9000.md (rm9k_mulsi, rm9k_muldi):  Likewise.
1338         * config/mips/generic.md (generic_imul): Likewise.
1339         * config/mips/sb1.md (ir_sb1_mulsi, ir_sb1_muldi): Likewise.
1340         * config/mips/sr71k.md (ir_sr70_imul_si, ir_sr70_imul_di):  Likewise.
1341
1342 2005-05-11  J"orn Rennecke <joern.rennecke@st.com>
1343
1344         PR middle-end/20371:
1345         * tree.h (record_layout_info_s): New member prev_packed.
1346         * stor-layout.c (update_alignment_for_field): Fix comment about
1347         KNOWN_ALIGN.  For MS bitfields, if we start a new run, make sure
1348         we start it properly aligned.
1349         (place_field): At the beginning of a record, pass 0 as KNOWN_ALIGN
1350         to update_alignment_for_field, and recompute it afterwards using
1351         the alignment of the record.
1352         When a packed bitfield precedes an MS bitfield, don't add padding
1353         at the end of the packed bitfield on behalf of the base type of
1354         the packed bit field.
1355         Don't adjust rli->bitpos at the end
1356         of an MS bitfield run if we already adjusted bitpos/offset for an
1357         alignment as large or larger than the bitfield type size.
1358         Take possible record alignment > BIGGEST_ALIGNMENT into account
1359         when calculating actual_align.
1360         Only put packed buit fields into rli->prev_field if they end up
1361         suitably aligned.
1362         Also set rli->remaining_in_alignment when we re-set rli->prev_field.
1363         Update rli->remaining_in_alignment when we have already started a
1364         run of bit fields and we process a packed bit field.
1365
1366 2005-05-11  Sebastian Pop  <pop@cri.ensmp.fr>
1367
1368         * tree-data-ref.c (find_data_references_in_loop): Give up when
1369         the body of the loop contains a CALL_EXPR or an ASM_EXPR: they
1370         may embed arbitrary side effects.
1371         Remove the assumption that GIMPLE form contains a single array
1372         access per statement.
1373         When the statement contains virtual operands, fail if it is not
1374         a MODIFY_EXPR or a CALL_EXPR.
1375         Return after the dont know node is inserted.
1376
1377 2005-05-11  Richard Earnshaw  <richard.earnshaw@arm.com>
1378
1379         * arm.md (negsf2, negdf2): Permit these expands when compiling for VFP.
1380
1381 2005-05-11  Richard Guenther  <rguenth@gcc.gnu.org>
1382
1383         PR middle-end/19807
1384         PR tree-optimization/19639
1385         * fold-const.c (try_move_mult_to_index): Handle INTEGER_CST
1386         and generic summands for char* as s * delta, too, folding &a[i]
1387         CODE x to &a[i CODE x/s].  Use tree_int_cst_equal
1388         for comparison of steps.  Convert types for index addition.
1389         (fold_binary): Adjust the callers to always dispatch to
1390         try_move_mult_to_index.
1391         * tree-ssa-propagate.c (set_rhs): Avoid setting rhs to
1392         expr with non-gimple ARRAY_REF offset.
1393
1394 2005-05-11  Richard Guenther  <rguenth@gcc.gnu.org>
1395
1396         * fold-const.c (fold_indirect_ref_1): Avoid removing
1397         NOP_EXPRs with type qualifiers like const.
1398
1399 2005-05-11  Richard Henderson  <rth@redhat.com>
1400
1401         PR c/21502
1402         * c-decl.c (finish_decl): Propagate the completed array type of
1403         a global variable into the binding.
1404
1405 2005-05-10  Matt Kraai  <kraai@ftbfs.org>
1406
1407         * Makefile.in (gtype-desc.o, build/genautomata.o)
1408         (build/varray.o): Depend on $(VARRAY_H).
1409
1410 2005-05-10  Diego Novillo  <dnovillo@redhat.com>
1411
1412         * tree-optimize.c (init_tree_optimization_passes): Re-organize
1413         optimization passes to do an initial batch of scalar cleanups.
1414
1415 2005-05-10  Ian Lance Taylor  <ian@airs.com>
1416
1417         * read-rtl.c (struct macro_traverse_data): Define.
1418         (map_attr_string): New static function, broken out of
1419         apply_macro_to_string.
1420         (mode_attr_index, apply_mode_maps): New static functions.
1421         (apply_macro_to_string): Call map_attr_string.
1422         (apply_macro_to_rtx): Add mode_maps and infile parameters.  Change
1423         all callers.
1424         (apply_macro_traverse): Expect data to point to a struct
1425         macro_traverse_data.
1426         (read_rtx): Add mode_maps local variable.  Use mode_traverse_data
1427         to pass data through htab_traverse.
1428         (read_rtx_1): Add mode_maps parameter.  Change all callers.
1429         Handle mode names which are attribute strings.
1430         * doc/md.texi (Substitutions): Rename from String Substitutions.
1431         Change references.  Document using attributes as modes.
1432
1433 2005-05-10  Zdenek Dvorak  <dvorakz@suse.cz>
1434
1435         * tree-cfg.c (tree_duplicate_sese_region): Update profile.
1436         * tree-optimize.c (init_tree_optimization_passes) Swap
1437         pass_ch and pass_profile.
1438         * tree-ssa-loop-ch.c (copy_loop_headers): Do not update profile
1439         here.  Remove rewrite_into_loop_closed_ssa call.
1440
1441 2005-05-10  Adrian Straetling  <straetling@de.ibm.com>
1442
1443         * config/s390/s390.c: (s390_const_double_ok_for_constraint_p): New
1444         function.
1445         (legitimate_reload_constant_p): Add check for const double zero.
1446         * config/s390/s390.md: Add comment for constraint letter 'G'.
1447         ("*movdf_64", "*movdf_31", "movsf"): Add constraint and proper
1448         attributes for new case.
1449         * config/s390/s390.h: (CONST_DOUBLE_OK_FOR_CONSTRAINT_P): Define it as
1450         s390_const_double_ok_for_constraint_p.
1451         * config/s390/s390-protos.h (s390_const_double_ok_for_constraint_p):
1452         Add prototype.
1453
1454 2005-05-10  Kazu Hirata  <kazu@cs.umass.edu>
1455
1456         PR tree-optimization/21170
1457         * tree-ssa-dom.c, tree-ssa-threadupdate.c: Replace
1458         rewrite_ssa_into_ssa in comments with update_ssa.
1459
1460 2005-05-10  Zdenek Dvorak  <dvorakz@suse.cz>
1461
1462         * tree-ssa-loop-im.c: Include hashtab.h.
1463         (struct mem_ref_loc): New.
1464         (struct mem_ref): Describe the set of references with the same
1465         shape.
1466         (max_stmt_uid, get_stmt_uid, record_mem_ref, free_mem_refs,
1467         maybe_queue_var, fem_single_reachable_address,
1468         for_each_memref, single_reachable_address,
1469         is_call_clobbered_ref, determine_lsm_reg): Removed.
1470         (record_mem_ref_loc, free_mem_ref_locs, determine_lsm_ref,
1471         hoist_memory_reference, memref_hash, memref_eq, memref_del,
1472         gather_mem_refs_stmt, gather_mem_refs, find_more_ref_vops):
1473         New functions.
1474         (rewrite_mem_refs, schedule_sm): Use mem_ref_loc list.
1475         (determine_lsm_loop): Rewritten.
1476         (determine_lsm): Do not set stmt uids.
1477
1478 2005-05-10  Adrian Straetling  <straetling@de.ibm.com>
1479
1480         * config/s390/s390.md: Add comment lines for 'f' and 't' constraint
1481         letters.
1482
1483 2005-05-10  Adrian Straetling  <straetling@de.ibm.com>
1484
1485         * config/s390/s390.md: ("anddi3","andsi3","andhi3","andqi3"): Merge.
1486         ("iordi3", "iorsi3", "iorhi3", "iorqi3"): Merge.
1487         ("xordi3", "xorsi3", "xorhi3", "xorqi3"): Merge.
1488
1489 2005-05-10  Jeff Law  <law@redhat.com>
1490
1491         * tree-ssa-dom.c (dom_opt_finalize_block): Do not call
1492         thread_across_edge for any abnormal edges.
1493
1494 2005-05-10  Richard Henderson  <rth@redhat.com>
1495
1496         * config/ia64/ia64.c (ia64_expand_atomic_op): New.
1497         * config/ia64/ia64-protos.h: Declare it.
1498         * config/ia64/sync.md (I124MODE, FETCHOP, fetchop_name): New.
1499         (sync_add<I48MODE>, sync_old_add<I48MODE>): Remove.
1500         (sync_<FETCHOP><IMODE>, sync_nand<IMODE>): New.
1501         (sync_old_<FETCHOP><IMODE>, sync_old_nand<IMODE>): New.
1502         (sync_new_<FETCHOP><IMODE>, sync_new_nand<IMODE>): New.
1503         (cmpxchg_rel_<I124MODE>): Split from cmpxchg_acq_<IMODE>.  Zero
1504         extend result; use release semantics.
1505         (cmpxchg_rel_di): Rename from cmpxchg_acq_<IMODE>; use release.
1506         (sync_val_compare_and_swap_<IMODE>): Update to match.
1507
1508 2005-05-10  Richard Henderson  <rth@redhat.com>
1509
1510         * optabs.c (expand_compare_and_swap_loop): Don't clobber old value
1511         before comparing it for success.
1512
1513 2005-05-10  Richard Henderson  <rth@redhat.com>
1514
1515         * config/ia64/sync.md (sync_add<I48MODE>): Fix arguments for
1516         no return value pattern.
1517
1518 2005-05-10  Grigory Zagorodnev  <grigory.zagorodnev@intel.com>
1519             H.J. Lu  <hongjiu.lu@intel.com>
1520
1521         * libgcov.c (create_file_directory): New function. Create
1522         directory for the given file name.
1523         (gcov_max_filename): New static var. Keeps size of the longest
1524         file name.
1525         (gcov_exit): Always try to create directory for output
1526         file. Relocate each filename basing on environment vars.
1527         (__gcov_init): Remember the longest file name.
1528         * tsystem.h: include filenames.h to get IS_DIR_SEPARATOR
1529         * doc/gcov.texi (Cross-profiling): New node documenting
1530         cross-profiling management.
1531         * doc/invoke.texi (-fprofile-arcs): Add xref to cross-profiling.
1532
1533 2005-05-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
1534
1535         * config/sparc/sparc.c (mem_min_alignment): Do not rely
1536         on MEM_ALIGN if TARGET_UNALIGNED_DOUBLES.
1537
1538 2005-05-10  Bob Wilson  <bob.wilson@acm.org>
1539
1540         * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Rearrange special
1541         case code to avoid one move instruction.
1542         (__umodsi3, __modsi3): Merge duplicated code sequences.
1543
1544 2005-05-10  Kazu Hirata  <kazu@cs.umass.edu>
1545
1546         * config/mips/24k.md, config/sh/divtab.c, config/sh/sh.c,
1547         config/sh/sh.md, config/sh/superh.h: Fix comment typos.
1548         * doc/invoke.texi: Fix typos.
1549
1550         * tree-data-ref.c (analyze_array_indexes, analyze_array,
1551         init_data_ref, access_functions_are_affine_or_constant_p,
1552         free_data_refs): Use VEC instead of VARRAY.
1553         * tree-data-ref.h (data_reference): Change the type of
1554         access_fns to VEC(tree,gc)*.
1555         (DR_ACCESS_FN, DR_NUM_DIMENSIONS): Use VEC instead of VARRAY.
1556
1557 2005-05-10  Gabor Loki <loki@gcc.gnu.org>
1558
1559         PR c/17913
1560         * c-typeck.c (build_conditional_expr): Remove reducing cond_expr.
1561         * fold-const.c (fold): Expand the condition of reducing cond_expr.
1562         (contains_label_1, contains_label_p): New functions for checking
1563         labels in a sub-tree.
1564
1565 2005-05-10  Joseph S. Myers  <joseph@codesourcery.com>
1566
1567         PR c/21342
1568         * c-decl.c (pushdecl): When there is a declaration in the current
1569         scope and the declarations are external linkage, check for
1570         compatibility with the type in the external scope and update the
1571         type in the external scope with the composite type information.
1572         Do not form a composite type of the new type and the visible type
1573         if they are incompatible.
1574
1575 2005-05-10  Nathan Sidwell  <nathan@codesourcery.com>
1576
1577         * crtstuff.c: Revert part of 2005-05-08 Change.
1578         (IN_LIBGCC2): Define.
1579
1580 2005-05-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
1581
1582         * config/sparc/sparc.c (fp_sethi_p): Test !SPARC_SIMM13_P and
1583         remove redundant test.
1584         (fp_mov_p): Accept 0.
1585         (fp_high_losum_p): Remove redundant test.
1586         * config/sparc/predicates.md (const_high_operand): Explicitly test
1587         (not small_int_operand).
1588         (fp_const_high_losum_operand): New.
1589         * config/sparc/sparc.md (movsi_insn): Do not emit 'clr'.  Reorder.
1590         (movdi_insn_sp32_v9): Use canonical predicates.
1591         (movdi_insn_sp32): Test !TARGET_V9 instead of !TARGET_ARCH64.
1592         (movdi_insn_sp64_novis): Delete.
1593         (movdi_insn_sp64_vis): Rename into movdi_insn_sp64.
1594         (movsf_insn_novis): Delete.
1595         (movsf_insn_vis): Rename into movsf_insn.
1596         (movsf_no_f_insn): Rename into movsf_insn_no_fpu.
1597         (movsf_lo_sum): Use fp_const_high_losum_operand.
1598         (movsf_high): Likewise.
1599         (movsf_high_losum splitter): Likewise.
1600         (mov<V32:mode> expander): Use register_or_zero_operand.
1601         (mov<V64:mode> expander): Likewise.
1602         (movdf_insn_sp32): Use register_or_zero_operand.
1603         (movdf_no_e_insn_sp32): Use register_or_zero_operand.
1604         Rename into movdf_insn_sp32_no_fpu.
1605         (movdf_no_e_insn_v9_sp32): Use register_or_zero_operand.
1606         Rename into movdf_insn_sp32_v9_no_fpu.
1607         (movdf_insn_v9only_novis): Delete.
1608         (movdf_insn_v9only_vis): Rename into movdf_insn_sp32_v9.
1609         (movdf_insn_sp64_novis): Delete.
1610         (movdf_insn_sp64_vis): Rename into movdf_insn_sp64.
1611         (movdf_no_e_insn_sp64): Use register_or_zero_operand.
1612         Rename into movdf_insn_sp64_no_fpu.
1613         (movtf expander): Use register_or_zero_operand.
1614         (movtf_insn_sp32): Delete.
1615         (movtf_insn_vis_sp32): Use register_or_zero_operand.
1616         Rename into movtf_insn_sp32.
1617         (movtf_no_e_insn_sp32): Use register_or_zero_operand.
1618         Rename into movtf_insn_sp32_no_fpu.
1619         (movtf_insn_hq_sp64): Delete.
1620         (movtf_insn_hq_vis_sp64): Use register_or_zero_operand.
1621         Rename into movtf_insn_sp64_hq.
1622         (movtf_insn_sp64): Delete.
1623         (movtf_insn_vis_sp64): Use register_or_zero_operand.
1624         Rename into movtf_insn_sp64.
1625         (movtf_no_e_insn_sp64): Use register_or_zero_operand.
1626         Rename into movtf_insn_sp64_no_fpu.
1627
1628 2005-05-10  Nathan Sidwell  <nathan@codesourcery.com>
1629
1630         * config/stormy16/stormy16.c (xstormy16_emit_cbranch): Use
1631         gcc_assert and gcc_unreachable as appropriate.
1632         (xstormy16_split_cbranch, xstormy16_output_cbranch_hi,
1633         xstormy16_output_cbranch_si, xstormy16_split_move,
1634         xstormy16_initial_elimination_offset,
1635         xstormy16_encode_section_info, xstormy16_print_operand_address,
1636         xstormy16_expand_call, xstormy16_expand_arith,
1637         xstormy16_output_shift, xstormy16_init_builtins): Likewise.
1638
1639 2005-05-10  Kazu Hirata  <kazu@cs.umass.edu>
1640
1641         * tree-outof-ssa.c (_elim_graph): Change the type of nodes and
1642         const_copies to VEC(tree,heap)*.
1643         (new_elim_graph, delete_elim_graph, elim_graph_size,
1644         elim_graph_add_node, eliminate_build, eliminate_phi): Use VEC
1645         instead of VARRAY.
1646
1647 2005-05-10  Joseph S. Myers  <joseph@codesourcery.com>
1648
1649         PR other/21052
1650         * doc/extend.texi (Type Attributes): Correct example syntax.
1651
1652 2005-05-09  Joseph S. Myers  <joseph@codesourcery.com>
1653
1654         PR c/21160
1655         * doc/invoke.texi (-Wuninitialized): Update documentation.
1656
1657 2005-05-09  Richard Earnshaw  <richard.earnshaw@arm.com>
1658
1659         * arm.c (const_ok_for_arm): Use a faster algorithm.
1660
1661 2005-05-09  David Edelsohn  <edelsohn@gnu.org>
1662
1663         PR target/21477
1664         * config/rs6000/rs6000.md (add_op2): New.
1665         (add<mode>3): Use it.
1666
1667 2005-05-09  Richard Earnshaw  <richard.earnshaw@arm.com>
1668
1669         * arm.c (arm_gen_constant): Add new heuristic for generating
1670         constant integers that can be expressed as the difference of two
1671         valid immediates.
1672
1673 2005-05-09  Roger Sayle  <roger@eyesopen.com>
1674
1675         * c-tree.h (parser_build_unary_op): New prototype.
1676         * c-typeck.c (parser_build_unary_op): New function to construct
1677         a unary operation in the C parser.
1678         * c-parser.c (c_parser_unary_expression):  Use the new function
1679         parser_build_unary_op when appropriate.
1680
1681 2005-05-09  Mark Mitchell  <mark@codesourcery.com>
1682
1683         PR 18655
1684         * dwarf2out.c (output_call_frame_info): Use DWARF2_FRAME_REG_OUT
1685         before outputting DWARF_FRAME_RETURN_COLUMN.
1686
1687 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1688
1689         * config/s390/s390.c: (s390_branch_condition_mask,
1690         s390_branch_condition_mnemonic, s390_extra_constraint_str,
1691         s390_const_ok_for_constraint_p, s390_expand_plus_operand,
1692         legitimize_pic_address, s390_emit_tls_call_insn,
1693         legitimize_tls_address, legitimize_tls_address,
1694         s390_expand_addcc, print_shift_count_operand, print_operand,
1695         addr_generation_dependency_p, annotate_constant_pool_refs,
1696         s390_split_branches, find_constant_pool_ref,
1697         replace_constant_pool_ref, s390_add_constant, s390_find_constant,
1698         s390_find_execute, s390_mainpool_start, s390_chunkify_start,
1699         s390_output_pool_entry, s390_function_value,
1700         s390_call_saved_register_used, s390_emit_call): Replace
1701         conditional aborts by gcc_assert and unconditional by gcc_unreachable.
1702         (s390_select_ccmode, s390_match_ccmode_set, s390_extract_part,
1703         s390_cannot_force_const_mem, s390_output_dwarf_dtprel,
1704         get_some_local_dynamic_name, s390_function_arg_size,
1705         s390_function_arg_advance, s390_function_arg,
1706         s390_expand_builtin, s390_gen_rtx_const_DI): Replace abort in
1707         default case by gcc_unreachable.
1708         * config/s390/s390.md: ("*cjump_31", "*icjump_31", "*jump31"): Replace
1709         conditional abort by gcc_assert.
1710         ("doloop_si31"): Replace abort in last else by gcc_unreachable.
1711         ("main_pool", "pool"): Replace unconditional abort by gcc_unreachable.
1712
1713 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1714
1715         * config/s390/s390.c: (s390_decompose_address,
1716         tls_symbolic_operand, legitimate_pic_operand_p,
1717         legitimate_constant_p, legitimate_reload_constant_p,
1718         s390_expand_plus_operand, legitimate_address_p,
1719         legitimate_la_operand_p, ): Remove 'register' from signature.
1720         (symbolic_reference_mentioned_p,
1721         tls_symbolic_reference_mentioned_p): Remove 'register' from local
1722         variable declarations.
1723         (legitimize_address): Remove 'register' from
1724         signature and local variable declarations.
1725
1726 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1727
1728         * config/s390/s390-protos.h: (s390_match_ccmode,
1729         s390_match_ccmode_set, reg_used_in_mem_p,
1730         symbolic_reference_mentioned_p, tls_symbolic_reference_mentioned_p,
1731         legitimate_la_operand_p, preferred_la_operand_p,
1732         s390_short_displacement, addr_generation_dependency_p,
1733         legitimate_reload_constant_p, legitimate_address_p): Change return type
1734         into 'bool'.
1735         (s390_tm_ccmode): Change type of parameter "mixed" into 'bool'.
1736         * config/s390/s390.c: (s390_match_ccmode,
1737         symbolic_reference_mentioned_p, tls_symbolic_reference_mentioned_p,
1738         legitimate_reload_constant_p): Change return type into 'bool'.
1739         (preferred_la_operand_p,legitimate_la_operand_p, legitimate_address_p):
1740         Likewise.  Additionally adapted comment.
1741         (s390_extra_constraint_p): Change Comment to reflect 'int' return type.
1742         (s390_tm_ccmode): Change type of parameter "mixed" into 'bool'.
1743         (s390_decompose_address): Change the type of the internal flags
1744         "pointer", "base_ptr", "indx_ptr", and the return value into 'bool'.
1745         (struct s390_address): Change type of "pointer" into bool.
1746         * config/s390/s390.md: ("*tmdi_reg", "*tmsi_reg", "tm<mode>_full"):
1747         Adapt calls for 's390_tm_ccmode' to the new signature.
1748
1749 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1750
1751         * config/s390/s390.c: (s390_match_ccmode_set,
1752         s390_branch_condition_mnemonic, s390_short_displacement,
1753         s390_decompose_address, get_thread_pointer, legitimize_tls_address,
1754         print_shift_count_operand, get_some_local_dynamic_name,
1755         get_some_local_dynamic_name_1, reg_used_in_mem_p,
1756         addr_generation_dependency_p, s390_split_branches,
1757         annotate_constant_pool_refs, find_constant_pool_ref,
1758         replace_constant_pool_ref, find_ltrel_base, replace_ltrel_base,
1759         s390_optimize_prologue, find_unused_clobbered_reg, s390_frame_area,
1760         s390_register_info, s390_frame_info, s390_init_frame_layout,
1761         s390_update_frame_layout, save_fpr, restore_fpr, save_gprs,
1762         restore_gprs, s390_function_arg_size, s390_function_arg_float,
1763         s390_init_machine_status, s390_assemble_integer, s390_handle_option,
1764         s390_encode_section_info, s390_cannot_force_const_mem,
1765         s390_delegitimize_address, s390_return_in_memory, s390_init_builtins,
1766         s390_expand_builtin, s390_output_mi_thunk, s390_safe_attr_type,
1767         s390_adjust_priority, s390_issue_rate,
1768         s390_first_cycle_multipass_dfa_lookahead, s390_cannot_copy_insn_p,
1769         s390_rtx_costs, s390_address_cost, s390_reorg, s390_valid_pointer_mode,
1770         s390_build_builtin_va_list, s390_gimplify_va_arg,
1771         s390_function_ok_for_sibcall, s390_call_saved_register_used,
1772         s390_pass_by_reference, s390_fixed_condition_code_regs,
1773         s390_cc_modes_compatible s390_mainpool_start,, s390_mainpool_finish,
1774         s390_mainpool_cancel, s390_chunkify_start, s390_chunkify_finish,
1775         s390_chunkify_cancel, s390_start_pool, s390_end_pool,
1776         s390_add_pool_insn, s390_find_pool, s390_add_constant,
1777         s390_find_constant, s390_add_execute, s390_find_execute,
1778         s390_execute_label, s390_execute_target, s390_dump_pool,
1779         s390_dump_execute, s390_alloc_pool, s390_free_pool): Remove prototypes.
1780         Move target macro definitions to the end of the file.  Move several
1781         functions within the file to assure correct compiling.
1782
1783 2005-05-09  Steven Bosscher  <stevenb@suse.de>
1784
1785         * calls.c (purge_reg_equiv_notes): Remove, fold into...
1786         (fixup_tail_calls): ...here.  Only look at insns between the
1787         start of the function and the FUNCTION_BEG insn note.
1788
1789         * gcse.c (one_cprop_pass): Fix typos in dumps.
1790
1791         * tree-ssa-operands.h (FOR_EACH_PHI_ARG): Fix typos.
1792
1793 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1794
1795         * config/s390/s390.h: Move xxx_REGNUM definitions to s390.md.
1796         * config/s390/s390.md: ("SIBCALL_REGNUM", "BASE_REGNUM",
1797         "RETURN_REGNUM", "CC_REGNUM", "TP_REGNUM"): New constants.
1798         Replace every occurrence of '(reg:<MODE> 33)' by '(reg:<MODE>
1799         CC_REGNUM)'.
1800         ("get_tp_64", "get_tp_31", "set_tp_64", "set_tp_31"): Replace
1801         '(reg:<MODE> 36)' by '(reg:<MODE> TP_REGNUM)'.
1802         ("*sibcall_br", "*sibcall_value_br"): Replace '(reg:DI 1)' by '(reg:DI
1803         REG_SC)'.
1804
1805 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1806
1807         * config/s390/s390.md: ("gf") New mode attribute.
1808         ("fixuns_truncdfdi2", "fixuns_truncdfsi2", "fixuns_truncsfdi2",
1809         "fixuns_truncsfsi2"): Merge.
1810         ("fix_truncdfdi2", "fix_truncsfdi2"): Merge.
1811         ("fix_truncdfdi2_ieee", "fix_truncdfsi2_ieee", "fix_truncsfdi2_ieee",
1812         "fix_truncsfsi2_ieee"): Merge.
1813
1814 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1815
1816         * config/s390/s390.md: ("FPR") New mode macro.
1817         ("de", "dee"): New mode attributes.
1818         ("cmpdf", "cmpsf"): Merge.
1819         ("*cmpdf_ccs_0", "*cmpsf_ccs_0"): Merge.
1820         ("*cmpdf_ccs_0_ibm", "*cmpdf_ccs_0_ibm"): Merge.
1821         ("*cmpdf_ccs", "*cmpsf_ccs"): Merge.
1822         ("*cmpdf_ccs_ibm", "*cmpsf_ccs_ibm"): Merge.
1823         ("floatdidf2", "floatdisf2"): Merge.
1824         ("adddf3", "addsf3"): Merge.
1825         ("*adddf3", "*addsf3"): Merge.
1826         ("*adddf3_cc", "*addsf3_cc"): Merge.
1827         ("*adddf3_cconly", "*addsf3_cconly"): Merge.
1828         ("*adddf3_ibm", "*addsf3_ibm"): Merge.
1829         ("subdf3", "subsf3"): Merge.
1830         ("*subdf3", "*subsf3"): Merge.
1831         ("*subdf3_cc", "*subsf3_cc"): Merge.
1832         ("*subdf3_cconly", "*subsf3_cconly"): Merge.
1833         ("*subdf3_ibm", "*subsf3_ibm"): Merge.
1834         ("muldf3", "mulsf3"): Merge.
1835         ("*muldf3", "*mulsf3" "): Merge.
1836         ("*muldf3_ibm", "*mulsf3_ibm"): Merge.
1837         ("*fmadddf", "*fmaddsf"): Merge.
1838         ("*fmsubdf", "*fmsubsf"): Merge.
1839         ("divdf3", "divsf3"): Merge.
1840         ("*divdf3", "*divsf3"): Merge.
1841         ("*divdf3_ibm", "*divsf3_ibm"): Merge.
1842         ("negdf2", "negsf2"): Merge.
1843         ("*negdf2_cc", "*negsf2_cc"): Merge.
1844         ("*negdf2_cconly", "*negsf2_cconly"): Merge.
1845         ("*negdf2", "*negsf2"): Merge.
1846         ("*negdf2_ibm", "*negsf2_ibm"): Merge.
1847         ("absdf2", "abssf2"): Merge.
1848         ("*absdf2_cc", "*abssf2_cc"): Merge.
1849         ("*absdf2_cconly", "*abssf2_cconly"): Merge.
1850         ("*absdf2", "*abssf2"): Merge.
1851         ("*absdf2_ibm", "*abssf2_ibm"): Merge.
1852         ("*negabsdf2_cc", "*negabssf2_cc"): Merge.
1853         ("*negabsdf2_cconly", "*negabssf2_cconly"): Merge.
1854         ("*negabsdf2", "*negabssf2"): Merge.
1855         ("sqrtdf2", "sqrtsf2"): Merge.
1856
1857 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1858
1859         * config/s390/s390.c: (s390_adjust_priority): Adapt to changed
1860         attribute names.
1861         * config/s390/2084.md: ("x_fsimpd", "x_fsimps", "x_fdivd", "x_fdivs",
1862         "x_floadd", "x_floads", "x_fstored", "x_fstores"): Rename to
1863         ("x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
1864         "x_floadsf", "x_fstoredf", "x_fstoresf") and replace 'type'
1865         attribute names.
1866         * config/s390/s390.md: ("type"): Rename "fsimpd, fsimps, floadd, floads,
1867         fstored, fstores, fmuld, fmuls, fdivd, fdivs, fsqrtd, fsqrts" to
1868         "fsimpdf, fsimpsf, floaddf, floadsf, fstoredf, fstoresf, fmuldf,
1869         fmulsf, fdivdf, fdivsf, fsqrtdf, fsqrtsf".
1870         ("*cmpdf_ccs_0", "*cmpdf_css_0_ibm", "*cmpdf_ccs",
1871         "*cmpdf_ccs_ibm", "*cmpsf_ccs_0", "*cmpsf_css_0_ibm",
1872         "*cmpsf_ccs", "*cmpsf_ccs_ibm", "*movdi_64", "*movdi_31",
1873         "*movsi_zarch", "*movsi_esa", "*movdf_64", "*movdf_31", "movsf",
1874         "*muldf3", "*muldf3_ibm", "*fmadddf", "*fmsubdf", "*mulsf3",
1875         "mulsf3_ibm", "*fmaddsf", "fmsubsf", "*divdf3", "*divdf3_ibm",
1876         "*negdf2_cc", "*negdf2_cconly", "*negdf2", "*negdf2_ibm",
1877         "*negsf2_cc", "*negsf2_cconly", "*negsf2", "*absdf2_cc",
1878         "*absdf2_cconly", "*absdf2", "*absdf2_ibm", "*abssf2_cc",
1879         "*abssf2_cconly", "*abssf2", "*abssf2_ibm", "*negabsdf2_cc",
1880         "*negabsdf2_cconly", "*negabsdf2", "*negabssf2_cc",
1881         "*negabssf2_cconly", "*negabssf2", "sqrtdf2", "sqrtsf2"): Rename
1882         'type' value.
1883         ("*divsf3"): Additionally rename second pattern to
1884         "*divsf3_ibm".
1885         ("truncdfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
1886         "*adddf3", "*adddf3_cc", "*adddf3_cconly", "*adddf3_ibm",
1887         "*addsf3", "*addsf3_cc", "*addsf3_cconly", "*subdf3",
1888         "subdf3_cc", "*subdf3_cconly", "*subdf3_ibm", "*subsf3",
1889         "subsf3_cc", "*subsf3_cconly", "*subsf3_ibm"): Merge identical
1890         'type values' and rename 'type' value.
1891         ("*addsf3"): Additionally rename second pattern to
1892         "*addsf3_ibm".
1893
1894 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1895
1896         * config/s390/s390.md: ("SHIFT"): New mode macro.
1897         ("lr", "shift"): New mode attributes.
1898         ("ashldi3", "lshrdi3"): Merge.
1899         ("*ashldi3_31", "*lshrdi3"_31): Merge.
1900         ("*ashldi3_64", "*lshrdi3"_64): Merge.
1901         ("ashlsi3", "lshrsi3"): Merge.
1902
1903 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1904
1905         * config/s390/s390.md: ("DSI", "SCOND"): New mode
1906         macros.
1907         ("E", "g"): New mode attributes.
1908         ("*adddi3_alc_cc", "*addsi3_alc_cc"): Merge.
1909         ("*adddi3_alc", "*addsi3_alc"): Merge.
1910         ("*subdi3_slb_cc", "*subsi3_slb_cc"): Merge.
1911         ("*subdi3_slb", "*subsi3_slb"): Merge.
1912         ("adddicc", "addsicc"): Merge.
1913         ("*sconddi", "*scondsi"): Merge.
1914         ("*sconddi_neg", "*scondsi_neg"): Merge.
1915         ("sltu", "sgtu", "sleu", "sgeu"): Merge.
1916         ("negdi2", "negsi2"): Extract expander pattern from
1917         "negsi2" and merge with "negdi2".
1918         ("*negdi2"): Merge with instruction pattern of "negsi2".
1919         ("*negdi2_cc", "*negsi2_cc"): Merge.
1920         ("*negdi2_cconly", "*negsi2_cconly"): Merge.
1921         ("rotldi3", "rotlsi3"): Merge.
1922
1923 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1924
1925         * config/s390/s390.md: ("hc"): New mode attribute.
1926         ("extendhidi2", "extendqidi2"): Merge.
1927         ("*extendhidi2", "*extendqidi2"): Merge.
1928         ("extendhisi2", "extendqisi2"): Merge.
1929         ("zero_extendhidi2", "zero_extendqidi2"): Merge.
1930         ("*zero_extendhidi2", "*zero_extendqidi2"): Merge.
1931         Merged 2 define_split.
1932         ("*zero_extendhisi2", "*zero_extendqisi2"): Merge.
1933         ("*zero_extendhisi2_64", "*zero_extendqisi2_64"): Merge.
1934
1935 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1936
1937         * config/s390/s390.md: ("COMPARE"): New mode macro.
1938         ("beq", "bne", "bgt", "bgtu", "blt", "bltu", "bge", "bgeu",
1939         "ble", "bleu", "bunordered", "bordered", "buneq", "bunlt",
1940         "bungt", "bunle", "bunge", "bltgt"): Merge.
1941
1942 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1943
1944         * config/s390/s390.md: ("INT"): New mode macro.
1945         ("one_cmpldi2", "one_cmplsi2", "one_cmplhi2", "one_cmplqi2"):
1946         Merge.
1947
1948 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1949
1950         * config/s390/s390.md: ("GPR", "P"): New mode macros.
1951         ("cmpdi", "cmpsi"): Merge.
1952         ("strlendi", "strlensi"): Merge.
1953         ("*strlendi", "*strlensi"): Merge.
1954         ("movmemdi", "movmemsi"): Merge.
1955         ("clrmemdi", "clrmemsi"): Merge.
1956
1957 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1958
1959         * config/s390/s390.md: ("HQI"): New mode macro.
1960         ("icm_lo", "icm_hi", "max_uint"): New mode attributes.
1961         ("*tmhi_full", "*tmqi_full"): Merge.
1962         ("*tsthiCCT", "*tstqiCCT"): Merge.
1963         ("*tsthi", "*tstqi"): Merge.
1964         ("*tsthi_cconly", "tstqi_cconly"): Merge.
1965         ("*sethighhisi", "*sethighqisi"): Merge.
1966
1967 2005-05-09  Kazu Hirata  <kazu@cs.umass.edu>
1968
1969         * crtstuff.c, integrate.h, tree-scalar-evolution.h,
1970         config/alpha/unicosmk.h, config/arc/arc.md,
1971         config/arm/bpabi.h, config/arm/coff.h, config/arm/elf.h,
1972         config/arm/ieee754-df.S, config/arm/ieee754-sf.S,
1973         config/arm/netbsd.h, config/arm/pe.c, config/arm/pe.h,
1974         config/arm/semi.h, config/arm/uclinux-elf.h,
1975         config/arm/wince-pe.h, config/fr30/fr30.c,
1976         config/rs6000/altivec.h: Update copyright.
1977
1978 2005-05-09  Nathan Sidwell  <nathan@codesourcery.com>
1979
1980         * config/pdp11/pdp11.c (pdp11_output_function_prologue): Use
1981         gcc_assert and gcc_unreachable as appropriate.
1982         (pdp11_output_function_epilogue, output_move_double,
1983         output_move_quad, print_operand_address, output_jump,
1984         output_addr_const_pdp11): Likewise.
1985         * config/pdp11/pdp11.h (FUNCTION_PROFILER,
1986         ASM_OUTPUT_ALIGN): Likewise.
1987         * config/pdp11/pdp11.md: Likewise.
1988         (extendhisi2, subhi3, subqi3): Likewise.
1989
1990 2005-05-09  David Edelsohn  <edelsohn@gnu.org>
1991
1992         PR middle-end/21237
1993         * dojump.c (do_jump, MINUS_EXPR): Build NE_EXPR and fall through
1994         to NE_EXPR case.
1995
1996 2005-05-09  Kazu Hirata  <kazu@cs.umass.edu>
1997
1998         * config/ia64/ia64.c: Fix a comment typo.
1999
2000 2005-05-09  Richard Earnshaw  <rearnsha@arm.com>
2001
2002         PR target/21397
2003         * arm.c (ARM_OPT_SET_CPU, ARM_OPT_SET_ARCH, ARM_OPT_SET_TUNE): Define.
2004         (arm_override_options): Use them instead of manifest constants.  Don't
2005         allow -march to override the -mtune setting.
2006
2007 2005-05-09  Nathan Sidwell  <nathan@codesourcery.com>
2008
2009         * config/iq2000/iq2000.c (abort_with_insn): Use fancy_abort.
2010         (gen_int_relational): Use gcc_unreachable and gcc_assert as necessary.
2011         (function_arg_advance, function_arg, save_restore_insns,
2012         iq2000_expand_prologue, iq2000_output_conditional_branch,
2013         expand_one_builtin, print_operand):
2014         * config/iq2000/iq2000.md (tablejump): Likewise.
2015
2016 2005-05-09  David Ung  <davidu@mips.com>
2017
2018         * config/mips/mips.h (processor_type): Add names for the 24K.
2019         * config/mips/mips.c (mips_cpu_info_table): Add names for the 24K
2020         processor family.
2021         * config/mips/mips.md (cnv_mode): New attribute for recording the
2022         conversion types of float convert insns.
2023         (cpu): Add 24k and 24kx.
2024         (include): Include 24k.md file.
2025         (truncdfsf2, extendsfdf2, fix_truncdfsi2_insn, fix_truncdfsi2_macro)
2026         (fix_truncdfdi2, fix_truncsfdi2, floatsidf2, floatdidf2, floatsisf2)
2027         (floatdisf2): Setup cnv_mode.
2028         (fix_truncsfsi2_insn, fix_truncsfsi2_macro): Changed mode to SF and
2029         setup cnv_mode.
2030         * config/mips/24k.md: New file, contains 24k DFA pipeline
2031         description.
2032
2033 2005-05-09  Nathan Sidwell  <nathan@codesourcery.com>
2034
2035         * config/sh/sh.c (print_operand_address): Use gcc_assert and
2036         gcc_unreachable as appropriate.
2037         (print_operand, prepare_move_operands, prepare_scc_operands,
2038         output_movedouble, output_branch, shift_insns_rtx, gen_shifty_op,
2039         gen_shl_and, shl_sext_kind, gen_datalabel_ref, dump_table,
2040         fixup_mova, gen_far_branch, sh_reorg, split_branches,
2041         final_prescan_insn, output_stack_adjust, sh_expand_epilogue,
2042         sh_set_return_address, sh_setup_incoming_varargs,
2043         initial_elimination_offset, sh_pch_valid_p, get_free_reg,
2044         sh_expand_builtin, sh_output_mi_thunk, extract_sfunc_addr,
2045         check_use_sfunc_addr): Likewise.
2046         * config/sh/netbsd-elf.h (FUNCTION_PROFILER): Likewise.
2047         * config/sh/sh.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Likewise.
2048         * config/sh/symbian.c (sh_symbian_mark_dllexport,
2049         sh_symbian_mark_dllimport): Likewise.
2050         * config/sh/sh.md: Likewise.
2051         (movdicc, call_pop, call_value_pop, casesi_worker_1,
2052         casesi_worker_2, casesi_shift_media, casesi_load_media,
2053         return_media): Likewise.
2054
2055 2005-05-08  Roger Sayle  <roger@eyesopen.com>
2056
2057         PR inline-asm/8788
2058         * stmt.c (expand_asm_operands): Avoid calling force_reg on BLKmode
2059         operands.
2060
2061 2005-05-08  Richard Henderson  <rth@redhat.com>
2062
2063         * config/alpha/alpha.c (adjust_address): Fix typo last change.
2064
2065 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
2066
2067         * config/m68hc11/m68hc11.h (REG_VALID_P): A regno must be >= 0
2068         and -1 can happen in reg_renumber when no hard register is assigned.
2069
2070 2005-05-08  Steven Bosscher  <stevenb@suse.de>
2071             Kazu Hirata  <kazu@cs.umass.edu>
2072
2073         PR tree-optimization/14841, tree-optimization/15838
2074         * tree-ssa-ccp.c (fold_const_aggregate_ref): New.
2075         (evaluate_stmt): Call it.
2076
2077 2005-05-08  Jakub Jelinek  <jakub@redhat.com>
2078
2079         * config/ia64/ia64.c (ia64_override_options): Don't set
2080         ia64_flag_var_tracking and clear flag_var_tracking here...
2081         (ia64_file_start): ... but here.
2082
2083 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
2084
2085         * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use gcc_assert
2086         and gcc_unreachable as appropriate.
2087         (expand_prologue, expand_epilogue, m68hc11_gen_lowpart,
2088         m68hc11_gen_highpart, print_operand, print_operand_address,
2089         m68hc11_expand_compare, m68hc11_expand_compare_and_branch,
2090         m68hc11_gen_movhi): Likewise.
2091         * config/m68hc11/m68hc11.h (HARD_X_REGNUM): Reword comment.
2092         * config/m68hc11/m68hc11.md: Reword comment.
2093
2094 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
2095
2096         PR target/21281
2097         * config/m68hc11/predicates.md (splitable_operand): An immediate is
2098         allowed.
2099
2100 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
2101
2102         * config/m68hc11/predicates.md (reg_or_some_mem_operand): Do not allow
2103         the 68HC12 address indirect addressing mode as it is not supported by
2104         bset and bclr.
2105         * config/m68hc11/m68hc11-protos.h
2106         (m68hc11_valid_addressing_p): Declare.
2107         (m68hc11_add_mode): Declare.
2108         * config/m68hc11/m68hc11.c (m68hc11_valid_addressing_p): Rename from
2109         register_indirect_p and export it.
2110         (m68hc11_z_replacement): Use emit_insn_after when adding the save Z
2111         instruction so that it is part of the good BB.
2112         (m68hc11_gen_movhi): Fix invalid generation of indexed indirect
2113         addressing with movw.
2114         (m68hc11_gen_movqi): Use pula and pulb instead of lda and ldb for
2115         68HC12.
2116         * config/m68hc11/m68hc11.h (ADDR_STRICT, ADDR_INCDEC, ADDR_INDEXED,
2117         ADDR_OFFSET, ADDR_INDIRECT, ADDR__CONST): Moved from m68hc11.c.
2118         * config/m68hc11/m68hc11.md ("movhi_const0"): Use this pattern only
2119         for 68HC11.
2120         ("*movhi_68hc12"): Handle movhi_const0.
2121         ("*subhi3", "subqi3"): Use general_operand for operand 1.
2122         ("*subhi3_zext"): Likewise.
2123
2124 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
2125
2126         PR target/19051
2127         * config/m68hc11/m68hc11.md ("mulqi3"): Use general_operand for
2128         operand 1 and fix constraints.
2129         ("mulqihi3"): Use general_operand for operand 2.
2130
2131 2005-05-08  Julian Brown  <julian@codesourcery.com>
2132             H.J. Lu  <hongjiu.lu@intel.com>
2133             Paul Brook  <paul@codesourcery.com>
2134
2135         * configure.ac: Set ld_vers_major, ld_vers_minor and ld_vers_patch for
2136         GNU linker. Support linker version x.x.x.x.x. Require GNU linker
2137         20050308/2.16.0 or newer for comdat group.
2138         * configure: Regenerated.
2139         * config.in: Regenerated.
2140         * varasm.c (default_function_rodata_section): Put .rodata section in
2141         COMDAT group when necessary.
2142         (default_elf_asm_named_section): Rename HAVE_GAS_COMDAT_GROUP to
2143         HAVE_COMDAT_GROUP.
2144         (default_unique_section_1): Don't use .gnu.linkonce when COMDAT is
2145         available.
2146
2147 2005-05-08  Kazu Hirata  <kazu@cs.umass.edu>
2148
2149         * tree-dfa.c (referenced_vars, add_referenced_var): Use VEC
2150         instead of VARRAY.
2151         * tree-flow.h (num_referenced_var, referenced_var): Likewise.
2152         * tree-into-ssa.c (mark_def_site_blocks): Likewise.
2153         * tree-ssa.c (init_tree_ssa, delete_tree_ssa): Likewise.
2154         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
2155
2156 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
2157
2158         PR target/16925
2159         * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Handle split of
2160         64-bit constants on 64-bit hosts.
2161         (m68hc11_split_logical): Simplify.
2162         (m68hc11_split_move): Likewise.
2163
2164 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
2165             Paolo Bonzini  <bonzini@gnu.org>
2166
2167         * Makefile.in (cs-tconfig.h): Pass USED_FOR_TARGET to mkconfig.sh
2168         * aclocal.m4 (GCC_TARGET_TEMPLATE, AH_TEMPLATE): New.
2169         * configure.ac (enable_checking): Fix typos in runtime_checking.
2170         (ENABLE_RUNTIME_CHECKING): Mark as target template.
2171         (xm_file): Prepend auto-host.h
2172         (HAVE_GAS_HIDDEN, HAVE_LD_EH_FRAME_HDR): Mark as target template.
2173         * mkconfig.sh: Do not automatically define USED_FOR_TARGET in
2174         tconfig.h.
2175         * crtstuff.c: Do not include auto-host.h.
2176         (IN_LIBGCC2): Do not define.
2177         * gcov-io.h: Include tconfig.h, not auto-host.h.
2178         * libgcc2.c: Do not include auto-host.h.
2179         (abort): Do not undefine.
2180         * libgcov.c: Remove unneeded comment about config.h.
2181         * unwind-dw2-fde-glibc.c: Do not inlude auto-host.h.
2182         * config.in, configure: Regenerated.
2183
2184 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
2185             Falk Hueffner  <falk@debian.org>
2186
2187         * config/alpha/alpha.c (tls_symbolic_operand_1): Use gcc_assert
2188         and gcc_unreachable as appropriate.
2189         (get_aligned_mem, get_unaligned_address,
2190         alpha_emit_set_long_const, alpha_emit_conditional_branch,
2191         alpha_emit_setcc, alpha_emit_conditional_move,
2192         alpha_lookup_xfloating_lib_func, alpha_compute_xfloating_mode_arg,
2193         alpha_emit_xfloating_libcall, alpha_split_tfmode_pair,
2194         alpha_expand_unaligned_load, alpha_expand_block_move,
2195         alpha_expand_zap_mask, get_trap_mode_suffix,
2196         get_round_mode_suffix, get_some_local_dynamic_name,
2197         print_operand_address, function_arg, alpha_return_in_memory,
2198         function_value, alpha_expand_builtin,
2199         alpha_initial_elimination_offset, alpha_expand_epilogue,
2200         summarize_insn, alpha_handle_trap_shadows, alphaev5_insn_pipe,
2201         alphaev5_next_group, alpha_align_insns,
2202         unicosmk_initial_elimination_offset, unicosmk_unique_section,
2203         unicosmk_ssib_name): Likewise.
2204         * config/alpha/alpha.h (ASM_OUTPUT_ADDR_VEC_ELT): Likewise.
2205         * config/alpha/unicosmk.h (TRAMPOLINE_TEMPLATE,
2206         ASM_OUTPUT_ADDR_DIFF_ELT, ASM_OUTPUT_ADDR_DIFF_VEC): Likewise.
2207         * config/alpha/vms.h (INITIAL_ELIMINATION_OFFSET,
2208         ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
2209         * config/alpha/alpha.md (*divmodsi_internal_er,
2210         *divmoddi_internal_er, ashldi3, *insxl, sibcall, call_osf,
2211         call_nt, call_umk, call_vms, call_value, sibcall_value,
2212         call_value_osf, call_value_nt, call_value_vms, call_value_umk,
2213         *call_vms_1, *movmemdi_1, *clrmemdi_1, *call_value_vms_1): Likewise.
2214         * config/alpha/predicates.md (input_operand): Likewise.
2215
2216 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
2217
2218         * config/frv/frv.c (frv_default_flags_for_cpu): Use gcc_assert and
2219         gcc_unreachable, as appropriate.
2220         (frv_function_prologue, frv_alloc_temp_reg,
2221         frv_initial_elimination_offset, frv_expand_block_move,
2222         frv_expand_block_clear, frv_print_operand_jump_hint,
2223         frv_legitimize_tls_address, unspec_got_name, frv_emit_move,
2224         frv_emit_movsi, frv_split_cond_move, frv_split_minmax,
2225         frv_ifcvt_modify_insn, frv_ifcvt_modify_final,
2226         frv_adjust_field_align, frv_insn_unit, frv_cond_flags,
2227         frv_sort_insn_group, frv_reorder_packet, frv_matching_accg_mode,
2228         frv_in_small_data_p, frv_asm_out_constructor,
2229         frv_asm_out_destructor, frv_output_dwarf_dtprel): Likewise.
2230         * config/frv/frv.md (reload_incc_fp, *cond_exec_si_binary1,
2231         *cond_exec_si_binary2, *cond_exec_si_divide, *cond_exec_si_unary1,
2232         *cond_exec_sf_conv, *cond_exec_sf_add, call, sibcall, call_value,
2233         sibcall_value, casesi): Likewise.
2234
2235         * config/mn10300/mn10300.c (print_operand): Use gcc_assert and
2236         gcc_unreachable as appropriate.
2237         (print_operand_address, mn10300_print_reg_list, expand_prologue,
2238         expand_epilogue, notice_update_cc, initial_offset,
2239         mn10300_address_cost_1): Likewise.
2240         * config/mn10300/mn10300.md: Likewise.
2241         (absdf2, abssf2, negdf2, negsf2): Likewise.
2242
2243 2005-05-08  Richard Sandiford  <rsandifo@redhat.com>
2244
2245         PR target/21416
2246         * config/mips/mips.c (mips_emit_compare): Don't reverse UNGE and UNGT
2247         comparisons.
2248         * config/mips/mips.md (swapped_fcond): New code macro and attribute.
2249         (sgt_<mode>, sge_<mode>): Generalize to all members of swapped_fcond,
2250         including sunge_<mode> and sungt_<mode>.
2251
2252 2005-05-08  Richard Sandiford  <rsandifo@redhat.com>
2253
2254         * integrate.h (get_hard_reg_initial_val): Change type of register
2255         parameter from int to unsigned int.
2256         (has_hard_reg_initial_val): Likewise.
2257         * integrate.c (get_hard_reg_initial_val): Likewise.
2258         (has_hard_reg_initial_val): Likewise.  Remove cast to unsigned int.
2259
2260 2005-05-08  Kazu Hirata  <kazu@cs.umass.edu>
2261
2262         * except.c (eh_status): Change the type of ttype_data to
2263         VEC(tree,gc)*.
2264         (add_ttypes_entry, assign_filter_values,
2265         output_function_exception_table): Use VEC instead of VARRAY.
2266
2267 2005-05-07  David Edelsohn  <edelsohn@gnu.org>
2268
2269         * config/rs6000/rs6000.md (popcount<mode>2): Fix non-C90 constant.
2270
2271 2005-05-07  Paul Brook  <paul@codesourcery.com>
2272
2273         * Makefile.in: Fix dependencies.
2274         (GCOV_IO_H, VARRAY_H): Set.
2275
2276 2005-05-07  Anthony Green  <green@redhat.com>
2277
2278         PR bootstrap/21403
2279         * configure.ac (STMP_FIXPROTO): Fix [ ] consumption problem in
2280         x$STMP_FIXPROTO test.
2281         * configure: Rebuilt.
2282
2283 2005-05-07  Joseph S. Myers  <joseph@codesourcery.com>
2284
2285         * config/pa/pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Do not define
2286         inappropriate feature test macros if flag_iso.
2287
2288 2005-05-07  Joseph S. Myers  <joseph@codesourcery.com>
2289
2290         * config/ia64/hpux.h (NO_IMPLICIT_EXTERN_C): Define.
2291
2292 2005-05-07  Hans-Peter Nilsson  <hp@axis.com>
2293
2294         PR target/21441
2295         * config/cris/cris.md ("*movdi_insn", "*mov_sidesisf_biap")
2296         ("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"):
2297         Handle moved operand being in special register.
2298         ("smulsi3_highpart", "umulsi3_highpart"): Change .error into
2299         presumed working insn.
2300         (mover2side): Add FIXME.
2301
2302 2005-05-07  Richard Sandiford  <rsandifo@redhat.com>
2303
2304         * integrate.c (get_func_hard_reg_initial_val): Delete.
2305         (has_func_hard_reg_initial_val): Delete.
2306         (get_hard_reg_initial_val): Inline the old implementation of
2307         get_func_hard_reg_initial_val.  Use has_hard_reg_initial_val
2308         instead of has_func_hard_reg_initial_val to test for an existing
2309         pseudo.  Only create an rtx if a new initial value entry is needed.
2310         (has_hard_reg_initial_val): Scan the initial value list directly.
2311         Don't create an rtx.
2312
2313 2005-05-07  David Edelsohn  <edelsohn@gnu.org>
2314
2315         * config.gcc ({powerpc,rs6000}-ibm-aix*): Remove rs6000/aix.opt
2316         from extra_options.
2317         * config.in (HAVE_AS_POPCNTB): New.
2318         * configure.ac (HAVE_AS_MFCRF): Add .machine "pwr5" to AIX test.
2319         (HAVE_AS_POPCNTB): New.
2320         * configure: Regenerated.
2321         * config/rs6000/aix.h (TARGET_XL_COMPAT): Delete.
2322         * config/rs6000/rs6000.c (rs6000_override_options, power5): Add
2323         MASK_POPCNTB.  Uncomment rs6000_sched_restricted_insns_priority
2324         and rs6000_sched_costly_dep.
2325         * config/rs6000/rs6000.h (TARGET_POPCNTB): New.
2326         (TARGET_XL_COMPAT): Delete.
2327         * config/rs6000/rs6000.md (UNSPEC_POPCNTB): New.
2328         (popcount<mode>2): New.
2329         (popcntb<mode>2): New.
2330         * config/rs6000/rs6000.opt (mpopcntb): New.
2331
2332         * opt-functions.awk (var_set): Emit OPTION_MASK_ for InverseMask
2333         if variable name exists.
2334
2335 2005-05-07  Matt Kraai  <kraai@ftbfs.org>
2336
2337         * Makefile.in (c-gimplify.o): Depend on $(RTL_H) instead of rtl.h.
2338
2339 2005-05-07  Richard Henderson  <rth@redhat.com>
2340
2341         PR target/21412
2342         * config/rs6000/rs6000.c (rs6000_emit_move): Look for tls addresses
2343         with constant offsets.
2344
2345 2005-05-07  Nathan Sidwell  <nathan@codesourcery.com>
2346
2347         * config/v850/v850.c (print_operand): Use gcc_assert and
2348         gcc_unreachable, as appropriate.
2349         (print_operand_address, v850_handle_data_area_attribute,
2350         v850_encode_data_area, construct_restore_jr, construct_save_jarl,
2351         v850_insert_attributes, construct_prepare_instruction): Likewise.
2352         * config/v850/v850.h (INITIAL_ELIMINATION_OFFSET): Likewise.
2353         * config/v850/v850.md (movsicc, *sasf_1): Likewise.
2354
2355 2005-05-07  Kazu Hirata  <kazu@cs.umass.edu>
2356
2357         * tree-ssa-loop-ivcanon.c, config/i386/i386.c,
2358         config/rs6000/rs6000.h: Fix comment typos.
2359
2360 2005-05-07  Richard Sandiford  <rsandifo@redhat.com>
2361
2362         * doc/invoke.texi: Remove documentation for MIPS' -mint64 option.
2363         * config/mips/mips.c (TARGET_SCALAR_MODE_SUPPORTED_P): Delete.
2364         (mips_scalar_mode_supported_p): Delete.
2365
2366 2005-05-06  Eric Christopher  <echristo@redhat.com>
2367
2368         * config/mips/mips.opt: Remove -mint64 option.
2369         * config/mips/mips.c (override_options): Remove -mint64
2370         handling.
2371         * config/mips/mips.h (INT_TYPE_SIZE): Define to 32.
2372         * config/mips/linux.h (TARGET_OS_CPP_BUILTINS): Remove
2373         64-bit integer handling.
2374         * doc/invoke.texi (Option Summary): Remove -mint64 for
2375         mips.
2376
2377 2005-05-06  Zdenek Dvorak  <dvorakz@suse.cz>
2378
2379         PR tree-optimization/19401
2380         * tree-flow.h (tree_unroll_loops_completely): Declaration changed.
2381         * tree-ssa-loop-ivcanon.c (enum unroll_level): New.
2382         (estimated_unrolled_size): New function.
2383         (try_unroll_loop_completely, canonicalize_loop_induction_variables,
2384         tree_unroll_loops_completely): Always unroll loops if the code size
2385         does not increase.
2386         * tree-ssa-loop.c (tree_complete_unroll): Indicate whether all
2387         loops should be unrolled completely.
2388         (gate_tree_complete_unroll): Run complete unrolling unconditionally.
2389
2390 2005-05-06  Zdenek Dvorak  <dvorakz@suse.cz>
2391
2392         PR rtl-optimization/21254
2393         * loop-iv.c (iv_number_of_iterations): Simplify infiniteness
2394         assumptions for loops that otherwise do not roll.
2395         (find_simple_exit): Prefer # of iterations that is guaranteed
2396         not to be infinite.
2397         * loop-unroll.c (decide_peel_once_rolling,
2398         decide_peel_completely): Check whether the loop is infinite.
2399
2400 2005-05-06  Pat Haugen  <pthaugen@us.ibm.com>
2401
2402         * config/rs6000/sysv4.opt: Fix typo.
2403
2404 2005-05-06  Denis Vlasenko  <vda@port.imtp.ilyichevsk.odessa.ua>
2405             Jakub Jelinek  <jakub@redhat.com>
2406
2407         PR target/21329
2408         * config/i386/i386.c (ix86_expand_movmem): Don't use rep; movsb
2409         for -Os if (movsl;)*(movsw;)?(movsb;)? sequence is shorter.
2410         Don't use rep; movs{l,q} if the repetition count is really small,
2411         instead use a sequence of movs{l,q} instructions.
2412
2413 2005-05-06  Jeff Law  <law@redhat.com>
2414
2415         PR tree-optimization/21380
2416         * tree-ssa-threadupdate.c (thread_through_all_blocks): Do not
2417         thread through a block with no preds.
2418
2419 2005-05-06  Kazu Hirata  <kazu@cs.umass.edu>
2420
2421         * tree-ssa-operands.c (clobbered_v_may_defs, clobbered_vuses,
2422         ro_call_vuse, fini_ssa_operands, add_call_clobber_ops,
2423         add_call_read_ops): Use VEC instead of VARRAY.
2424
2425 2005-05-06  Nathan Sidwell  <nathan@codesourcery.com>
2426
2427         * config/mcore/mcore.c (mcore_print_operand_address): Use
2428         gcc_assert and gcc_unreachable as appropriate.
2429         (mcore_print_operand, mcore_gen_compare_reg, mcore_output_call,
2430         mcore_output_andn, output_inline_const, mcore_output_move,
2431         mcore_output_movedouble, mcore_expand_block_move,
2432         layout_mcore_frame, mcore_initial_elimination_offset,
2433         mcore_expand_prolog, mcore_mark_dllexport,
2434         mcore_mark_dllimport): Likewise.
2435         * config/mcore/mcore.h (switch_to_section): Likewise.
2436         * config/mcore/mcore.md: Likewise.
2437
2438 2005-05-06  Aldy Hernandez  <aldyh@redhat.com>
2439
2440         * config/rs6000/linux64.h: Remove MASK_PROFILE_KERNEL, and
2441         TARGET_PROFILE_KERNEL.
2442
2443         * config/rs6000/rs6000.c (output_profile_hook): Add comment to
2444         TARGET_PROFILE_KERNEL use.
2445
2446 2005-05-06  Nathan Sidwell  <nathan@codesourcery.com>
2447
2448         * config/m32r/m32r.c (m32r_encode_section_info): Use gcc_assert
2449         and gcc_unreachable, as appropriate.
2450         (gen_compare, gen_split_move_double, m32r_setup_incoming_varargs,
2451         m32r_expand_prologue, m32r_output_function_epilogue,
2452         m32r_legitimize_pic_address, m32r_print_operand_address,
2453         emit_cond_move, m32r_function_symbol,
2454         m32r_output_block_move): Likewise.
2455         * config/m32r/m32r.h (INITIAL_ELIMINATION_OFFSET): Likewise.
2456         * config/m32r/m32r.md ( *movsi_insn, *zero_branch_insn,
2457         *rev_zero_branch_insn): Likewise.
2458
2459 2005-05-06  Jakub Jelinek  <jakub@redhat.com>
2460
2461         PR c++/20961
2462         * varasm.c (merge_weak): Remove NEWDECL from WEAK_DECLS chain
2463         if both NEWDECL and OLDDECL are already weak.
2464
2465 2005-05-06  Richard Sandiford  <rsandifo@redhat.com>
2466
2467         * config/rs6000/sysv4.h (EXTRA_SUBTARGET_SWITCHES): Delete.
2468
2469 2005-05-05  J"orn Rennecke  <joern.rennecke@st.com>
2470             Kaz Kojima  <kkojima@gcc.gnu.org>
2471
2472         * config/sh/sh.c (sh_builtin_saveregs): Use copy_to_mode_reg
2473         and plus_constant.
2474
2475 2005-05-05  Aldy Hernandez  <aldyh@redhat.com>
2476             David Edelsohn  <edelsohn@gnu.org>
2477
2478         * config.gcc: Add .opt magic for the rs6000 ports.
2479
2480         * doc/invoke.texi: Document -mabi= option properly.  Document
2481         -misel and -mno-sel.  Document -mspe and -mno-spe.  Document
2482         -mvrsave and -mno-vrsave.  Document deprecation of -mspe= and
2483         -misel=.
2484
2485         * config/rs6000/aix.h: Remove XL_COMPAT stuff.  Remove
2486         SUBTARGET_SWITCHES and SUBSUBTARGET_SWITCHES.  Define
2487         TARGET_XL_COMPAT.
2488
2489         * config/rs6000/aix.opt: New.
2490         * config/rs6000/aix41.opt: New.
2491         * config/rs6000/aix64.opt: New.
2492         * config/rs6000/darwin.opt: New.
2493         * config/rs6000/linux64.opt: New.
2494         * config/rs6000/rs6000.opt: New.
2495         * config/rs6000/sysv4.opt: New.
2496
2497         * config/rs6000/sysv4.h: Delete definitions of MASK_* and
2498         associated TARGET_*.  Remove SUBTARGET_OPTIONS,
2499         SUBTARGET_SWITCHES.
2500         Define TARGET_USES_SYSV4_OPT.
2501         * config/rs6000/aix41.h: Remove SUBSUBTARGET_SWITCHES.
2502         * config/rs6000/aix43.h: Remove SUBSUBTARGET_SWITCHES.  Define
2503         TARGET_USES_AIX64_OPT.
2504         * config/rs6000/aix51.h: Same.
2505         * config/rs6000/aix52.h: Same.
2506         * config/rs6000/darwin.h: Remove SUBTARGET_SWITCHES,
2507         MASK_MACHO_DYNAMIC_NO_PIC, TARGET_MACHO_DYNAMIC_NO_PIC.
2508         Use TARGET_ALTIVEC_VRSAVE instead of rs6000_altivec_vrsave.
2509         Define TARGET_DYNAMIC_NO_PIC as TARGET_MACHO_DYNAMIC_NO_PIC.
2510         * config/rs6000/linux64.h: Use
2511         rs6000_explicit_options.  Remove EXTRA_SUBTARGET_SWITCHES.
2512
2513         * config/rs6000/rs6000.c: Remove definitions of
2514         rs6000_sched_restricted_insns_priority,
2515         rs6000_long_double_size_string, rs6000_altivec_vrsave,
2516         rs6000_altivec_vrsave_string, rs6000_isel, rs6000_spe,
2517         rs6000_float_gprs_string, rs6000_isel_string, rs6000_spe_string,
2518         rs6000_abi_string, rs6000_warn_altivec_long, rs6000_longcall,
2519         rs6000_alignment_string.  Define rs6000_explicit_options.
2520         (rs6000_parse_abi_options): Remove.
2521         (rs6000_parse_alignment_option): Remove.
2522         (rs6000_parse_float_gprs_option): Remove.
2523         (rs6000_handle_option): New.  Define TARGET_HANDLE_OPTION.  Define
2524         TARGET_DEFAULT_TARGET_FLAGS.
2525         (rs6000_override_options): Revamp to use new .opt machinery.
2526
2527         * config/rs6000/rs6000.h: Remove old MASK_* and TARGET_* in favor
2528         of new .opt machinery.  Remove target_flags.  Redefine
2529         TARGET_MFCRF and TARGET_POWERPC64.  Remove TARGET_SWITCHES,
2530         SUBTARGET_SWITCHES, TARGET_OPTIONS, SUBTARGET_OPTIONS,
2531         rs6000_float_gprs_string, rs6000_isel_string, rs6000_spe_string,
2532         rs6000_altivec_vrsave_string, rs6000_altivec_vrsave,
2533         rs6000_longcall_switch, rs6000_default_long_calls,
2534         rs6000_sched_costly_dep_str, rs6000_sched_costly_dep,
2535         rs6000_warn_altivec_long, rs6000_warn_altivec_long_switch, and
2536         TARGET_ALTIVEC_VRSAVE.
2537
2538 2005-05-05  Ralf Corsepius  <ralf.corsepius@rtems.org>
2539
2540         * config.gcc (hppa1.1-*-rtems*): Remove.
2541         * config/pa/rtems.h: Remove.
2542
2543 2005-05-05  Ralf Corsepius  <ralf.corsepius@rtems.org>
2544
2545         * config/rs6000/t-rtems (MULTILIB_NEW_EXCEPTIONS_ONLY):
2546         Exclude roe/603e multilib variants.
2547
2548 2005-05-04  Denis Chertykov  <denisc@overta.ru>
2549
2550         PR target/21284
2551         * config/avr/avr.c (avr_output_addr_vec_elt): Use special section
2552         for output.
2553
2554 2005-05-05  Richard Sandiford  <rsandifo@redhat.com>
2555
2556         * config.gcc (arm*-wince-pe*, arm-*-pe*, strongarm-*-pe): Add
2557         arm/pe.opt to $extra_options.
2558         * config/arm/arm.h (target_flags, target_fpu_name, target_fpe_name)
2559         (target_float_abi_name, target_float_switch, target_abi_name)
2560         (ARM_FLAG_APCS_FRAME, ARM_FLAG_POKE, ARM_FLAG_FPE, ARM_FLAG_APCS_STACK)
2561         (ARM_FLAG_APCS_FLOAT, ARM_FLAG_APCS_REENT, ARM_FLAG_BIG_END)
2562         (ARM_FLAG_INTERWORK, ARM_FLAG_LITTLE_WORDS, ARM_FLAG_NO_SCHED_PRO)
2563         (ARM_FLAG_ABORT_NORETURN, ARM_FLAG_SINGLE_PIC_BASE)
2564         (ARM_FLAG_LONG_CALLS, ARM_FLAG_THUMB, THUMB_FLAG_BACKTRACE)
2565         (THUMB_FLAG_LEAF_BACKTRACE, THUMB_FLAG_CALLEE_SUPER_INTERWORKING)
2566         (THUMB_FLAG_CALLER_SUPER_INTERWORKING, CIRRUS_FIX_INVALID_INSNS)
2567         (TARGET_APCS_FRAME, TARGET_POKE_FUNCTION_NAME, TARGET_FPE)
2568         (TARGET_APCS_STACK, TARGET_APCS_FLOAT, TARGET_APCS_REENT)
2569         (TARGET_BIG_END, TARGET_INTERWORK, TARGET_LITTLE_WORDS)
2570         (TARGET_NO_SCHED_PRO, TARGET_ABORT_NORETURN, TARGET_SINGLE_PIC_BASE)
2571         (TARGET_LONG_CALLS, TARGET_THUMB, TARGET_CALLER_INTERWORKING)
2572         (TARGET_CIRRUS_FIX_INVALID_INSNS, SUBTARGET_SWITCHES, TARGET_SWITCHES)
2573         (TARGET_OPTIONS, arm_cpu_select, arm_select,  structure_size_string)
2574         (arm_pic_register_string): Delete.
2575         (TARGET_BACKTRACE): Redefine using TARGET_TPCS_LEAF_FRAME and
2576         TARGET_TPCS_FRAME.
2577         (TARGET_DEFAULT, CONDITIONAL_REGISTER_USAGE): Update mask names.
2578         * config/arm/coff.h (TARGET_DEFAULT): Likewise.
2579         * config/arm/elf.h (TARGET_DEFAULT): Likewise.
2580         * config/arm/netbsd-elf.h (TARGET_DEFAULT): Likewise.
2581         * config/arm/netbsd.h (TARGET_DEFAULT): Likewise.
2582         * config/arm/semi.h (TARGET_DEFAULT): Likewise.
2583         * config/arm/uclinux-elf.h (TARGET_DEFAULT): Likewise.
2584         * config/arm/wince-pe.h (TARGET_DEFAULT): Likewise.
2585         * config/arm/pe.h (TARGET_DEFAULT): Likewise.
2586         (TARGET_FLAG_NOP_FUN, TARGET_NOP_FUN_DLLIMPORT): Delete.
2587         (SUBTARGET_SWITCHES): Delete.
2588         * config/arm/arm.c (target_float_switch): Delete.
2589         (arm_cpu_select): Moved from config/arm/arm.h.
2590         (target_fpu_name, target_fpe_name, target_float_abi_name)
2591         (target_abi_name, structure_size_string, arm_pic_register_string)
2592         (arm_select): Make static.
2593         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
2594         (arm_handle_option): New function.
2595         (arm_override_options): Update target_flags checks for new mask names.
2596         Remove target_float_switch code.
2597         (arm_expand_prologue, thumb_expand_prologue): Check
2598         !TARGET_SCHED_PROLOG instead of TARGET_NO_SCHED_PRO.
2599         * config/arm/arm.opt, config/arm/pe.opt: New files.
2600
2601 2005-05-05  Nathan Sidwell  <nathan@codesourcery.com>
2602
2603         * config/arc/arc.c (get_arc_condition_code): Use gcc_assert &
2604         gcc_unreachable as appropriate.
2605         (arc_double_limm_p, arc_setup_incoming_varargs,
2606         arc_compute_function_type, arc_output_function_prologue,
2607         arc_output_function_epilogue, arc_eligible_for_epilogue_delay,
2608         output_shift, arc_print_operand, arc_print_operand_address,
2609         arc_final_prescan_insn): Likewise.
2610         * config/arc/arc.md (*movdi_insn, *movdf_insn): Likewise.
2611
2612 2005-05-04  Geoffrey Keating  <geoffk@apple.com>
2613
2614         * config/rs6000/rs6000.md (P): Use TARGET_*BIT rather than
2615         comparing Pmode.
2616         (SDI): New.
2617         (cmp): Delete.
2618         (wd): New.
2619         (add<mode>3, add<mode>3_internal1, add<mode>3_internal2,
2620         add<mode>3_internal3, one_cmpl<mode>2, sub<mode>3, neg<mode>2,
2621         clz<mode>2, ctz<mode>2, ffs<mode>2): New.
2622         (addsi3, addsi3_internal1, addsi3_internal2, addsi3_internal3,
2623         (one_cmplsi2, subsi3, negsi2, clzsi2, ctzsi2, ffssi2): Remove.
2624         (adddi3, adddi3_internal1, adddi3_internal2, adddi3_internal3,
2625         (one_cmpldi2, subdi3, negdi2, clzdi2, ctzdi2, ffsdi2): Remove.
2626         (sync_compare_and_swap<mode>): Use <wd> rather than <cmp>.
2627
2628 2005-05-05  Paul Brook  <paul@codesourcery.com>
2629
2630         * Makefile.in: Replace dependencies on basic-block.h, c-pragma.h,
2631         cfgloop.h, diagnostic.h, insn-attr.h, langhooks-def.h, params.h,
2632         regs.h, system.h, tree-dump.h, tree-gimple.h, tree-scalar-evolution.h
2633         and tree-data-ref.h with *_H variables.
2634
2635 2005-05-05  Kelley Cook  <kcook@gcc.gnu.org>
2636
2637         * config/m32r/xm-m32r.h, config/m32r/xm-linux.h: Delete files.
2638
2639 2005-05-05  Kelley Cook  <kcook@gcc.gnu.org>
2640
2641         * system.h: Poison BYTEORDER and HOST_WORDS_BIG_ENDIAN.
2642
2643 2005-05-04  Gerald Pfeifer  <gerald@pfeifer.com>
2644
2645         * doc/contrib.texi (Contributors): Add Mostafa Hagog and Ayal Zaks.
2646
2647 2005-05-04 Fariborz Jahanian <fjahanian@apple.com>
2648
2649         * config/rs6000/rs6000.c (rs6000_emit_prologue): Emit
2650         setting of vrsave register for current function after
2651         call to save_world is emitted.
2652
2653 2005-05-05  Hans-Peter Nilsson  <hp@bitrange.com>
2654
2655         * config/mmix/predicates.md: New file.
2656         * config/mmix/mmix.c (mmix_symbolic_or_address_operand)
2657         (mmix_reg_or_constant_operand, mmix_reg_cc_operand)
2658         (mmix_foldable_comparison_operator, mmix_comparison_operator)
2659         (mmix_reg_or_0_operand, mmix_reg_or_8bit_operand): Remove.
2660         * config/mmix/mmix.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
2661         Don't define.
2662         * config/mmix/mmix.md: Include predicates.md.
2663         ("call", "call_value"): Force address to register if it isn't a
2664         mmix_symbolic_or_address_operand.
2665
2666 2005-05-04  Andrew MacLeod  <amacleod@redhat.com>
2667
2668         * tree-flow-inline.h (op_iter_init_use, op_iter_init_def): Assert that
2669         the flags are of appropriate types.
2670         (num_ssa_operands): Generalize using the generic interface.
2671         * tree-ssa-dce.c (remove_dead_stmt): Don't ask for kills on a DEF
2672         iterator.
2673
2674 2005-05-04  Richard Sandiford  <rsandifo@redhat.com>
2675
2676         * protoize.c (version_flag, quiet_flag, nochange_flag, nosave_flag)
2677         (keep_flag, local_flag, global_flag, cplusplus_flag): Make extern.
2678
2679 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
2680
2681         * tree-outof-ssa.c (edge_leader, stmt_list,
2682         analyze_edges_for_bb): Use VEC instead of VARRAY.
2683         (init_analayze_edges_for_bb, fini_analayze_edges_for_bb): New.
2684         (perform_edge_inserts): Call init_analayze_edges_for_bb and
2685         fini_analayze_edges_for_bb.
2686
2687 2005-05-04  James E Wilson  <wilson@specifixinc.com>
2688
2689         PR driver/21112
2690         * gcc.c (process_command): In the second argv scan loop, ignore
2691         Xassembler and Xpreprocessor, along with their argument.
2692
2693 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
2694
2695         * tree-flow-inline.h, tree-ssa-operands.c,
2696         tree-ssa-operands.h, tree-ssa-opfinalize.h:
2697         Likewise. tree-vn.c: Fix comment typos.
2698         * doc/passes.texi, doc/tree-ssa.texi: Fix typos.
2699
2700 2005-05-04  Paolo Bonzini  <bonzini@gnu.org>
2701
2702         * doc/tm.texi (Target Hooks): Document
2703         TARGET_RESOLVE_OVERLOADED_BUILTIN.
2704
2705 2005-05-04  Paul Brook  <paul@codesourcery.com>
2706
2707         * Makefile.in: Change dependencies on target.h to $(TARGET_H).
2708
2709 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
2710
2711         * dwarf2out.c (incomplete_types, retry_incomplete_types,
2712         gen_struct_or_union_type_die, dwarf2out_init): Use VEC instead
2713         of VARRAY.
2714
2715         * loop-unroll.c (var_to_expand, analyze_insn_to_expand_var,
2716         get_expansion, expand_var_during_unrolling,
2717         insert_var_expansion_initialization,
2718         combine_var_copies_in_loop_exit, release_var_copies): Use VEC
2719         instead of VARRAY.
2720
2721         * tree-ssa-loop-ivopts.c (rewrite_address_base): Don't call
2722         update_stmt.
2723
2724 2004-05-03  Andrew Pinski  <pinskia@physics.uc.edu>
2725
2726         PR middle-end/15618
2727         * fold-const.c (fold_widened_comparison): Treat BOOLEAN_TYPE
2728         the same as INTEGER_TYPE.
2729         (fold_binary): Fold "bool_var != 0" to bool_var.
2730         Fold "bool_var == 1" to bool_var.
2731
2732 2004-05-03  Richard Henderson  <rth@redhat.com>
2733
2734         PR middle-end/21318
2735         * function.c (instantiate_virtual_regs_in_insn): Use the mode
2736         from recog_data instead of insn_data.
2737
2738 2005-05-03  DJ Delorie  <dj@redhat.com>
2739
2740         * common.opt (fdiagnostics-show-option): No variable is needed.
2741         * diagnostic.h (diagnostic_context): Add show_option_requested flag.
2742         * diagnostic.c (diagnostic_initialize): Initialize show_option_requested.
2743         (diagnostic_report_diagnostic): Test for enabled diagnostics here.
2744         Save and restore original message format.  Use flag in context
2745         instead of global.
2746         (warning): Don't test for enabled warnings here.
2747         * opts.c (common_handle_option): Handle -fdiagnostics-show-option
2748         here.
2749
2750 2005-05-04  Kelley Cook  <kcook@gcc.gnu.org>
2751
2752         * config/m32r/xm-m32r.h: Don't define HOST_WORDS_BIG_ENDIAN.
2753         * config/m32r/xm-linux.h: Don't undefine HOST_WORDS_BIG_ENDIAN.
2754         * mips-tfile.c: Use WORDS_BIG_ENDIAN instead of HOST_WORDS_BIG_ENDIAN.
2755         * aclocal.m4: Don't include accross.m4.
2756         * configure.ac: Use AC_C_BIGENDIAN instead of AC_C_BIGENDIAN_CROSS.
2757         Use AC_CHECK_SIZEOF instead of AC_COMPILE_CHECK_SIZEOF.
2758         * configure, config.in: Regenerate.
2759
2760 2005-05-04  Jakub Jelinek  <jakub@redhat.com>
2761
2762         PR middle-end/21265
2763         * expr.h (enum block_op_methods): Add BLOCK_OP_TAILCALL.
2764         (clear_storage): Add argument.
2765         * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall):
2766         Add tailcall argument, set CALL_EXPR_TAILCALL of the CALL_EXPR to
2767         tailcall.
2768         (emit_block_move): Handle BLOCK_OP_TAILCALL method.
2769         (clear_storage): Add method argument, handle BLOCK_OP_TAILCALL.
2770         (store_expr, store_constructor): Adjust callers.
2771         * builtins.c (expand_builtin_memcpy): Pass BLOCK_OP_TAILCALL
2772         to emit_block_move if CALL_EXPR_TAILCALL (exp).
2773         (expand_builtin_memmove): Add ORIG_EXP argument, copy
2774         CALL_EXPR_TAILCALL from ORIG_EXP to the new CALL_EXPR.
2775         (expand_builtin_bcopy): Replace ARGLIST and TYPE arguments
2776         with EXP.  Pass EXP to expand_builtin_memmove.
2777         (expand_builtin_memset): Add ORIG_EXP argument, pass
2778         BLOCK_OP_TAILCALL to clear_storage if CALL_EXPR_TAILCALL (orig_exp).
2779         (expand_builtin_bzero): Replace ARGLIST argument with EXP.
2780         Pass EXP to expand_builtin_memset.
2781         (expand_builtin_strcmp): Copy CALL_EXPR_TAILCALL from EXP to
2782         the new CALL_EXPR.
2783         (expand_builtin_strncmp): Likewise.
2784         (expand_builtin_printf): Replace ARGLIST argument with EXP.
2785         Copy CALL_EXPR_TAILCALL from EXP to the new CALL_EXPR.
2786         (expand_builtin_fprintf): Likewise.
2787         (expand_builtin): Adjust calls to
2788         expand_builtin_{memmove,bcopy,memset,bzero,{,f}printf}.
2789
2790         * config/i386/i386.c (ix86_expand_vector_set): Fix setting 3rd and 4th
2791         item in V4SF mode.
2792
2793         PR rtl-optimization/21239
2794         * combine.c (combine_simplify_rtx) <case VEC_SELECT>: Fix a typo.
2795
2796 2005-05-03  Kazu Hirata  <kazu@cs.umass.edu>
2797
2798         * tree-flow.h (tree_ann_common_d): Move aux to ...
2799         (stmt_ann_d): ... here.
2800         * tree-ssa-loop-im.c (LIM_DATA, determine_invariantness_stmt,
2801         move_computations_stmt, schedule_sm): Update references to
2802         aux.
2803         * tree-vectorizer.h (set_stmt_info, vinfo_for_stmt): Likewise.
2804
2805         * tree-cfg.c (remove_bb): Remove a redundant call to
2806         set_bb_for_stmt.
2807         * tree-if-conv.c (replace_phi_with_cond_modify_expr):
2808         Likewise.
2809
2810 2005-05-03  Richard Henderson  <rth@redhat.com>
2811
2812         * config/rs6000/rs6000.c: Remove conflict markers.
2813
2814         * cfg.c (dump_flow_info): Use max_reg_num, not max_regno.
2815
2816 2005-05-03  James E Wilson  <wilson@specifixinc.com>
2817
2818         * dwarf2out.c (lookup_filename): Call maybe_emit_file.
2819
2820 2005-05-03  DJ Delorie  <dj@redhat.com>
2821
2822         * c-decl.c (store_parm_decls_oldstyle): Let diagnostic machinery
2823         decide if the warning will be printed.
2824         * calls.c (expand_call): Likewise.
2825         * function.c (init-function_start): Likewise.
2826
2827         * common.opt (-fdiagnostics-show-option): New.
2828         * opts.c (option_enabled): Accept the option index instead of a
2829         pointer to the option descriptor.
2830         * opts.h (option_enabled): Likewise.
2831         * toplev.c (print_switch_values): Pass option index, not option
2832         descriptor.
2833         * diagnostic.h (diagnostic_info): Add option_index.
2834         * diagnostic.c: Include opts.h.
2835         (diagnostic_set_info): Initialize option_index.
2836         (diagnostic_report_diagnostic): Amend option name if appropriate.
2837         (warning): Check to see if the specified warning is enabled.
2838         Store option index.
2839         * doc/invoke.texi (-fdiagnostics-show-options): Document.
2840
2841 2005-05-03  Richard Henderson  <rth@redhat.com>
2842
2843         * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Fix ALL_REGS and
2844         SPEC_OR_GEN_REGS definitions.
2845
2846 2005-05-03  Alexandre Oliva  <aoliva@redhat.com>
2847
2848         PR target/16888
2849         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Clear reg names
2850         for unavailable registers.
2851
2852 2005-05-03  Kazu Hirata  <kazu@cs.umass.edu>
2853
2854         * tree-cfg.c (tree_forwarder_block_p): Fix a typo.
2855
2856         * cfglayout.c (block_locators_blocks,
2857         insn_locators_initialize, insn_scope): Use VEC instead of
2858         VARRAY.
2859
2860         * tree-mudflap.c (deferred_static_decls, mudflap_enqueue_decl,
2861         mudflap_finish_file, mudflap_finish_file): Use VEC instead of
2862         VARRAY.
2863
2864 2005-05-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
2865
2866         * config/sparc/predicates.md (const_compl_high_operand): New.
2867         * config/sparc/sparc.c (sparc_emit_set_safe_HIGH64): Rename into
2868         gen_safe_HIGH64.
2869         (sparc_emit_set_const64_quick1): Adjust for above change.
2870         (sparc_emit_set_const64_quick2): Likewise.
2871         (sparc_emit_set_const64_longway): Likewise.
2872         (sparc_emit_set_const64): Likewise.
2873         * config/sparc/sparc.md (movhi_const64_special, movsi_const64_special,
2874         movdi_const64_special): Delete.
2875         (logical constant splitters): Use const_compl_high_operand.
2876
2877 2005-05-03  Richard Guenther  <rguenth@gcc.gnu.org>
2878
2879         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Use STRIP_TYPE_NOPS
2880         rather than STRIP_NOPS.
2881
2882 2005-05-03  Jakub Jelinek  <jakub@redhat.com>
2883
2884         PR rtl-optimization/21330
2885         * loop-unswitch.c (may_unswitch_on): Set *cinsn only when
2886         returning non-NULL.
2887         (unswitch_single_loop): Clear cinsn when retrying.
2888
2889         PR target/21297
2890         * config/i386/i386.c (legitimize_address): When canonicalizing
2891         ASHIFT into MULT, multiply by 1 << shift_count instead of
2892         1 << log2 (shift_count).
2893
2894 2005-05-03  Andrew MacLeod  <amacleod@redhat.com>
2895
2896         * lambda-code.c (gcc_loop_to_lambda_loop,
2897         lambda_loopnest_to_gcc_loopnest, phi_loop_edge_uses_def,
2898         stmt_is_bumper_for_loop, perfect_nest_p, replace_uses_of_x_with_y): Use
2899         generic operand interface.
2900         * tree-data-ref.c (find_data_references_in_loop): Use generic interface.
2901         * tree-dfa.c (collect_dfa_stats_r, mark_new_vars_to_rename): Use
2902         generic operand interface.
2903         * tree-flow-inline.h (delink_imm_use, link_imm_use_to_list,
2904         link_imm_use, link_imm_use_stmt, relink_imm_use, relink_imm_use_stmt,
2905         next_safe_imm_use, has_zero_uses, has_single_use, single_imm_use,
2906         num_imm_uses): Use ssa_use_operand_t.
2907         (get_def_ops, get_use_ops, get_v_may_def_ops, get_vuse_ops,
2908         get_v_must_def_ops): Delete.
2909         (get_def_from_ptr, get_phi_result_ptr): Get def directly now.
2910         (get_use_op_ptr, get_def_op_ptr, get_v_may_def_result_ptr,
2911         get_v_may_def_op_ptr, get_vuse_op_ptr, get_v_must_def_result_ptr,
2912         get_v_must_def_kill_ptr): Delete.
2913         (delink_stmt_imm_use): Move and use new operand interface.
2914         (op_iter_next_use, op_iter_next_def, op_iter_next_tree, op_iter_init,
2915         op_iter_next_tree): Use new operand implementation.
2916         (clear_and_done_ssa_iter): New.  Initialize a blank operand iterator.
2917         (op_iter_init_use, op_iter_init_def, op_iter_init_tree): Add iterator
2918         type check.
2919         (op_iter_next_mustdef, op_iter_next_maydef,
2920         op_iter_next_must_and_may_def): Delete. Replace with...
2921         (op_iter_next_maymustdef): New.  Combine must and may next operations.
2922         (op_iter_init_maydef, op_iter_init_mustdef,
2923         op_iter_init_must_and_may_def): Use new interface.
2924         (single_ssa_tree_operand ): New.  Process single operands only as trees.
2925         (single_ssa_use_operand): New.  Process single operands only as uses.
2926         (single_ssa_def_operand): New.  Process single operands only as defs.
2927         (zero_ssa_operands): New.  Return TRUE if there are zero operands of the
2928         specified types.
2929         (num_ssa_operands): New.  Count the number of specified operands.
2930         (compare_ssa_operands_equal): New.  Compare two statements' operands.
2931         (single_phi_def): New.  Return true if PHI has one def of the specified
2932         operand type.
2933         (op_iter_init_phiuse): New.  Initialize the iterator for PHI arguments.
2934         (op_iter_init_phidef): New.  Initialize the iterator for the PHI def.
2935         * tree-flow.h (struct immediate_use_iterator_d): Use ssa_use_operand_t.
2936         (struct stmt_ann_d): Operands field no longer require GTY().
2937         (vn_compute, vn_lookup_or_add, vn_add, vn_lookup): Change prototype.
2938         * tree-into-ssa.c (mark_def_sites): Use SSA_OP_VMUSTKILL.
2939         * tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb,
2940         dump_replaceable_exprs, rewrite_trees): Use generic interface.
2941         * tree-phinodes.c (make_phi_node, release_phi_node, resize_phi_node):
2942         Use use_operand_p instead of ssa_imm_use_t *.
2943         * tree-pretty-print.c (dump_vops): check if operands are active before
2944         dumping virtual operands.
2945         * tree-sra.c (sra_walk_function): Use ZERO_SSA_OPERANDS.
2946         * tree-ssa-ccp.c (likely_value): Use ZERO_SSA_OPERANDS.
2947         (ccp_fold): Use new interface.
2948         (ccp_visit_stmt): Remove unused variables and code.
2949         (convert_to_gimple_builtin): Insert statements before calling
2950         mark_new_vars_to_rename.
2951         * tree-ssa-copy.c (stmt_may_generate_copy): Use ZERO_SSA_OPERANDS.
2952         (copy_prop_visit_cond_stmt): Use generic interface.
2953         * tree-ssa-dom.c (struct expr_hash_elt): Use stmt pointer, not the
2954         annotation in table.
2955         (thread_across_edge): Use generic interface.
2956         (initialize_hash_element): Initialzie with stmt, not annotation.
2957         (eliminate_redundant_computations): Use generic interface.
2958         (record_equivalences_from_stmt): Pass stmt, not annotation.
2959         (avail_expr_hash, real_avail_expr_hash, avail_expr_eq): Use generic
2960         interface.
2961         * tree-ssa-dse.c (dse_optimize_stmt): Use ZERO_SSA_OPERANDS.
2962         * tree-ssa-loop-ivopts.c (find_invariants_stmt,
2963         find_interesting_uses_stmt, protect_loop_closed_ssa_form_use): Use
2964         generic operand interface.
2965         * tree-ssa-loop-niter.c (chain_of_csts_start, get_val_for): Use generic
2966         interface.
2967         * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Use Generic operand
2968         Interface.
2969         * tree-ssa-operands.c (struct opbuild_list_d): New.  Operand build type.
2970         (build_defs, build_uses, build_v_may_defs, build_vuses,
2971         build_v_must_defs): Change type to struct opbuild_list_d.
2972         (ops_active): New.  Operands active boolean.
2973         (operand_memory, operand_memory_index): New.  Operand memory managers.
2974         (allocate_def_optype, allocate_use_optype, allocate_v_may_def_optype,
2975         allocate_vuse_optype, allocate_v_must_def_optype): Delete.
2976         (free_uses, free_defs, free_vuses, free_v_may_defs, free_v_must_defs):
2977         Change from functions to static variable list heads.
2978         (opbuild_initialize_virtual): New.  Initialize a virtual build list.
2979         (opbuild_initialize_real): New.  Initialize a virtual build list.
2980         (opbuild_free): New.  Free a build list.
2981         (opbuild_num_elems): New.  Number of items in a list.
2982         (opbuild_append_real): New.  Add a real (tree *) operand.
2983         (opbuild_append_virtual): New.  Add and sort a virtual (tree) operand.
2984         (opbuild_first): New.  Return first element index in a list.
2985         (opbuild_next): New.  Return next element in a list.
2986         (opbuild_elem_real): New.  Return real element.
2987         (opbuild_elem_virtual): New.  Return virtual element.
2988         (opbuild_elem_uid): New.  Return UID of virtual element.
2989         (opbuild_clear): New.  Reset an operand list.
2990         (opbuild_remove_elem): New.  Remove an element form a list.
2991         (ssa_operands_active): New.  Return true if operand cache is active.
2992         (init_ssa_operands, fini_ssa_operands): Initialize new implementation.
2993         (ssa_operand_alloc): New.  Allocate memory from an operand chunk.
2994         (correct_use_link): Use use_operand_p.
2995         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_defs,
2996         finalize_ssa_vuses, finalize_ssa_v_must_defs): New implmentation.
2997         (cleanup_v_may_defs): Use new implmentation.
2998         (finalize_ssa_stmt_operands, start_ssa_stmt_operands): New
2999         implementation.
3000         (append_def, append_use, append_v_may_def, append_vuse,
3001         append_v_must_def): Call opbuild_append routine instead of using varray.
3002         (build_ssa_operands): Simplify to simply use stmt, don't maintain a
3003         global parse_old_ops variable.
3004         (free_ssa_operands): New implementation.
3005         (update_stmt_operands): Move.  Change argument to build_ssa_operands.
3006         (copy_virtual_operands): Move. New generic implementation.
3007         (create_ssa_artficial_load_stmt): Move. New implementation.
3008         (swap_tree_operands): Update for new implementation.
3009         (get_expr_operands): Add stmt parameter to calls to swap_tree_operands.
3010         (add_call_clobber_ops, add_call_read_ops): Initialize opbuild list
3011         rather than a varray.
3012         (verify_imm_links): Use use_operand_p.
3013         (dump_immediate_uses_for): If the immediate use variable is a virtual
3014         variable, show the virtual ops in the stmt.
3015         * tree-ssa-operands.h (def_operand_p): No longer a structure.
3016         (NULL_DEF_OPERAND_P): Now a #define.
3017         (def_optype_d, use_optype_d, v_def_use_operand_type, v_may_def_optype_d,
3018         vuse_operand_type, vuse_optype_d, v_must_def_optype_d): Delete.
3019         (def_optype_d, use_optype_d, maydef_optype_d, vuse_optype_d,
3020         mustdef_optype_d): New.  Use Linked list representation.
3021         (SSA_OPERAND_MEMORY_SIZE): New.  Size of operand memory chunk.
3022         (struct ssa_operand_memory_d): New.  Allocated Chunk node.
3023         (struct stmt_operands_d): Change to new pointers that are not GTY.
3024         (STMT_USE_OPS, NUM_USES, SET_USE_OP, STMT_DEF_OPS, NUM_DEFS, SET_DEF_OP,
3025         STMT_V_MAY_DEF_OPS, NUM_V_MAY_DEFS, SET_V_MAY_DEF_RESULT,
3026         SET_V_MAY_DEF_OP, STMT_VUSE_OPS, NUM_VUSES, SET_VUSE_OP,
3027         STMT_V_MUST_DEF_OPS, NUM_V_MUST_DEFS, SET_V_MUST_DEF_RESULT,
3028         SET_V_MUST_DEF_KILL): Delete.
3029         (V_MAY_DEF_OPS, V_MAY_DEF_RESULT_PTR, V_MAY_DEF_RESULT,
3030         V_MAY_DEF_OP_PTR, V_MAY_DEF_OP): Rename to MAYDEF_*.
3031         (V_MUST_DEF_OPS, V_MUST_DEF_RESULT_PTR, V_MUST_DEF_RESULT,
3032         V_MUST_DEF_KILL_PTR, V_MUST_DEF_KILL): Rename to MUSTDEF_*.
3033         (enum ssa_op_iter_type): Operand iterator typechecking values.
3034         (struct ssa_operand_iterator_d): Use linked lists of operands.
3035         (SSA_OP_VMUSTDEFKILL): Rename to SSA_OP_VMUSTKILL.
3036         (FOR_EACH_SSA_MAYDEF_OPERAND, FOR_EACH_SSA_MUSTDEF_OPERAND,
3037         FOR_EACH_SSA_MUST_AND_MAY_DEF_OPERAND): Use op_iter_next_maymustdef.
3038         (FOR_EACH_PHI_ARG): New.  Iterate over PHI arguments.
3039         (FOR_EACH_PHI_OR_STMT_USE): New.  Iterate over PHI or stmt uses.
3040         (FOR_EACH_PHI_OR_STMT_DEF): New.  Iterate over PHI or stmt defs.
3041         (SINGLE_SSA_TREE_OPERAND, SINGLE_SSA_USE_OPERAND,
3042         SINGLE_SSA_DEF_OPERAND, ZERO_SSA_OPERANDS, NUM_SSA_OPERANDS): New.
3043         * tree-ssa-opfinalize.h: New.  Function templates for expansion.
3044         (FINALIZE_ALLOC): Expands into alloc_def, alloc_use, alloc_maydef,
3045         alloc_vuse, and alloc_mustdef.
3046         (FINALIZE_FUNC): Expands into finalize_ssa_def_ops,
3047         finalize_ssa_use_ops, finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
3048         and finalize_ssa_v_must_def_ops.
3049         * tree-ssa-pre.c (add_to_sets): Pass tree to vn_add.
3050         (create_value_expr_from): Use stmt not vuse_optype as a parameter. Pass
3051         stmt around.
3052         (compute_avail): Use generic iterator interface.
3053         * tree-ssa-propagate.c (first_vdef): Use generic operand interface.
3054         (stmt_makes_single_load, stmt_makes_single_store): Use
3055         ZERO_SSA_OPERANDS.
3056         * tree-ssa-sink.c (is_hidden_global_store): Use ZERO_SSA_OPERANDS.
3057         (statement_sink_location): Use generic interface.
3058         * tree-ssa.c (verify_ssa):  Use %p in fprintf.  Use generic interface.
3059         (delete_tree_ssa): Don't call release_defs.  Call release_ssa_name and
3060         reset the immediate use link nodes.
3061         (stmt_references_memory_p): Use ZERO_SSA_OPERANDS.
3062         * tree-ssanames.c (make_ssa_name): Use use_operand_p.
3063         * tree-tailcall.c (find_tail_calls): Use ZERO_SSA_OPERANDS.
3064         (eliminate_tail_call): Use generic operand interface.
3065         * tree-vect-analyze.c (vect_analyze_data_refs): Use ZERO_SSA_OPERANDS.
3066         (vect_mark_relevant, vect_mark_stmts_to_be_vectorized): Use generic
3067         interface.
3068         * tree-vect-transform.c (update_vuses_to_preheader): Use generic
3069         interface.
3070         * tree-vectorizer.c (rename_variables_in_bb): Use generic interface.
3071         * tree-vn.c (struct val_expr_pair_d): Cache statment pointer instead of
3072         vuse_optype.
3073         (vn_compute, val_expr_pair_hash, vn_add, vn_lookup, vn_lookup_or_add):
3074         Use statement pointer instead of vuse_optype.  Use generic interface.
3075         * tree-vrp.c (maybe_add_assert_expr): Use generic interface.
3076         (stmt_interesting_for_vrp, vrp_visit_stmt): Use ZERO_SSA_OPERANDS.
3077         * tree.h (struct ssa_imm_use_d): Renamed to ssa_use_operand_d.
3078         (tree_ssa_name, phi_arg_d): Use ssa_use_operand_d.
3079         * doc/tree-ssa.texi: Update documentation for operand interface.
3080
3081 2005-05-03  Nathan Sidwell  <nathan@codesourcery.com>
3082
3083         * config/darwin.c (machopic_define_symbol): Use gcc_assert or
3084         gcc_unreachable as appropriate.
3085         (machopic_function_base_name, machopic_indirect_data_reference,
3086         machopic_legitimize_pic_address, darwin_non_lazy_pcrel): Likewise.
3087         * config/host-darwin.c (darwin_gt_pch_use_address): Likewise
3088         * config/rs6000/altivec.md (*mov<mode>_internal,
3089         build_vector_mask_for_load): Likewise.
3090         * config/rs6000/darwin.md (movdf_low_si, movdf_low_di,
3091         *call_nonlocal_darwin64, *call_value_nonlocal_darwin64,
3092         *sibcall_symbolic_64, *sibcall_value_symbolic_64): Likewise.
3093         * config/rs6000/predicates.md (easy_fp_constant,
3094         logical_operand): Likewise.
3095         * config/rs6000/rs6000.c (spe_expand_predicate_builtin,
3096         compute_save_world_info, rs6000_emit_prologue,
3097         rs6000_output_mi_thunk): Reword comments to avoid 'abort'.
3098         * config/rs6000/host-darwin.c (segv_handler): Use fancy_abort
3099         directly.
3100
3101 2005-05-03  Uros Bizjak  <uros@kss-loka.si>
3102
3103         PR middle-end/21282
3104         * convert.c (convert_to_integer): Convert ceil and floor in
3105         c99 mode only.
3106
3107 2005-04-29  Geoffrey Keating  <geoffk@apple.com>
3108
3109         PR target/20813
3110         * config/rs6000/rs6000.md (floatsidf2_internal): Merge to create
3111         define_insn_and_split.  Split only when memory operand is
3112         offsettable.  Use adjust_address rather than plus_constant.
3113         (floatunssidf2_internal): Likewise.
3114         (fix_truncdfsi2_internal): Split only when memory operand is
3115         offsettable.  Use adjust_address rather than plus_constant.
3116         (fix_trunctfsi2_internal): Likewise.
3117         (floatsidf2_internal): Likewise.
3118
3119 2005-05-02  Diego Novillo  <dnovillo@redhat.com>
3120
3121         * tree-vrp.c (set_value_range_to_nonnull): Declare inline.
3122         (set_value_range_to_null): Likewise.
3123         (set_value_range_to_varying): New function.  Use it in all
3124         call sites that used to call set_value_range (vr, VR_VARYING, ...).
3125         (extract_range_from_assert): If the integral type has a
3126         super-type, and LIMIT is not within MIN and MAX values of that
3127         type, set the resulting range to VR_VARYING.
3128
3129 2005-05-02  Hans-Peter Nilsson  <hp@bitrange.com>
3130
3131         * config/mmix/mmix.opt: New file.
3132         * config/mmix/mmix.h: Move options-related comments to mmix.opt.
3133         (mmix_cc1_ignored_option): Don't declare.
3134         (TARGET_OPTIONS, TARGET_MASK_LIBFUNCS, TARGET_MASK_ABI_GNU)
3135         (TARGET_MASK_FCMP_EPSILON, TARGET_MASK_ZERO_EXTEND)
3136         (TARGET_MASK_KNUTH_DIVISION, TARGET_MASK_TOPLEVEL_SYMBOLS)
3137         (TARGET_MASK_BRANCH_PREDICT, TARGET_MASK_USE_RETURN_INSN)
3138         (TARGET_MASK_BASE_ADDRESSES, TARGET_LIBFUNC, TARGET_ABI_GNU,
3139         (TARGET_FCMP_EPSILON, TARGET_ZERO_EXTEND, TARGET_KNUTH_DIVISION)
3140         (TARGET_TOPLEVEL_SYMBOLS, TARGET_BRANCH_PREDICT)
3141         (TARGET_BASE_ADDRESSES, TARGET_USE_RETURN_INSN, TARGET_SWITCHES):
3142         Don't define.
3143         (TARGET_DEFAULT): Change TARGET_MASK_... to MASK_...
3144         * config/mmix/mmix.c (mmix_cc1_ignored_option): Remove.
3145         (TARGET_DEFAULT_TARGET_FLAGS): Override default.
3146
3147 2005-05-02  Joseph S. Myers  <joseph@codesourcery.com>
3148
3149         PR c/15698
3150         * c-tree.h (C_DECL_BUILTIN_PROTOTYPE): New.
3151         * c-decl.c (current_function_prototype_built_in,
3152         current_function_prototype_arg_types): New.
3153         (merge_decls): Keep source location of prototype followed by
3154         nonprototype declaration.  Update C_DECL_BUILTIN_PROTOTYPE.
3155         (builtin_function): Set C_DECL_BUILTIN_PROTOTYPE.
3156         (start_function): Always set current_function_prototype_locus,
3157         current_function_prototype_built_in and
3158         current_function_prototype_arg_types.  Check for external
3159         prototype whether or not visible for external function and set
3160         current_function_prototype_arg_types accordingly.
3161         (store_parm_decls_oldstyle): Use
3162         current_function_prototype_arg_types for checking old-style
3163         definition against prototype.  Give warnings only if
3164         current_function_prototype_built_in).
3165
3166 2005-05-02  Daniel Jacobowitz  <dan@codesourcery.com>
3167
3168         * ggc.h (ggc_alloc_zone_pass_stat): New macro.
3169         (ggc_alloc_zone_stat): Don't define.
3170         * ggc-zone.c (ggc_alloc_typed_stat, ggc_alloc_stat): Use
3171         ggc_alloc_zone_pass_stat.
3172         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Likewise.
3173         * tree.c (make_node_stat, copy_node_stat, make_tree_binfo_stat)
3174         (make_tree_vec_stat, tree_cons_stat, build1_stat): Likewise.
3175
3176 2005-05-02  Daniel Jacobowitz  <dan@codesourcery.com>
3177
3178         * calls.c (expand_call): Handle current_function_pretend_args_size
3179         when checking for sibcalls.
3180
3181 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
3182
3183         PR tree-optimization/21294
3184         * tree-vrp.c (vrp_expr_computes_nonzero): New.
3185         (extract_range_from_expr): Call vrp_expr_computes_nonzero.
3186
3187 2005-05-02  Janis Johnson  <janis187@us.ibm.com>
3188
3189         PR 19985
3190         * gcov-io.h: Declare gcov external functions hidden.
3191
3192 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
3193
3194         * tree-ssa-uncprop.c (equiv_hash_elt, remove_equivalence,
3195         record_equiv, tree_ssa_uncprop, uncprop_into_successor_phis):
3196         Use VEC instead of VARRAY.
3197         (equiv_free): New.
3198
3199         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Factor
3200         out common code.
3201
3202 2005-05-02  Paolo Bonzini  <bonzini@gnu.org>
3203
3204         * c-common.c (resolve_overloaded_builtin): Forward to target
3205         hook for BUILT_IN_MD built-ins.
3206         * c-typeck.c (finish_call_expr): Call resolve_overloaded_builtin
3207         for all types of built-in.
3208         * target-def.h (TARGET_RESOLVE_OVERLOADED_BUILTIN): New.  Use it
3209         in the definition of the target hooks struct.
3210         * target.h (struct gcc_target): Add resolve_overloaded_builtin.
3211         * config/rs6000/altivec.h: Rewritten.
3212         * config/rs6000/rs6000-c.c (struct altivec_builtin_types,
3213         altivec_resolve_overloaded_builtin, altivec_build_resolved_builtin,
3214         rs6000_builtin_type, rs6000_builtin_type_compatible,
3215         altivec_overloaded_builtins, rs6000_builtin_type,
3216         rs6000_builtin_type_compatible): New.
3217         * config/rs6000/rs6000.c (rs6000_builtin_types, rs6000_builtin_decls):
3218         New.
3219         (def_builtin): Turn into a function.  Check for duplicates and store
3220         the builtin into rs6000_builtin_decls.
3221         (bdesc_3arg, bdesc_dst, bdesc_altivec_preds, bdesc_2arg,
3222         bdesc_1arg): Add overloaded builtins.
3223         (altivec_expand_builtin): Check for unresolved overloaded builtins,
3224         do not support ALTIVEC_COMPILETIME_ERROR.
3225         (rs6000_init_builtins): Add opaque 128-bit vector, and internal
3226         nodes to represent front-end types.
3227         (altivec_init_builtins, rs6000_common_init_builtins): Create builtins
3228         with opaque arguments and/or return values.
3229         * config/rs6000/rs6000.h (enum rs6000_builtins): Remove
3230         ALTIVEC_COMPILETIME_ERROR and add Altivec overloaded builtins.
3231         (rs6000_builtin_type_index): New.
3232         (is_ev64_opaque_type): Rename to...
3233         (rs6000_is_opaque_type): ... this.
3234         (rs6000_cpu_cpp_builtins): Install the resolve_overloaded_builtin
3235         target hook.
3236
3237 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
3238
3239         * function.c (reorder_blocks, reorder_blocks_1): Use VEC
3240         instead of VARRAY.
3241
3242 2005-05-02  Nathan Sidwell  <nathan@codesourcery.com>
3243             Bernd Schmidt  <bernd.schmidt@analog.com>
3244
3245         * config/bfin/bfin.c (emit_link_insn, effective_address_32bit_p,
3246         print_address_operand, print_operand, legitimize_pic_address,
3247         asm_conditional_branch, bfin_gen_compare, output_push_multiple,
3248         output_pop_multiple): Use gcc_assert or gcc_unreachable as
3249         appropriate.
3250         * config/bfin/bfin.md (movsf splitter, beq, bne): Likewise.
3251
3252 2005-05-02  Dorit Naishlos  <dorit@il.ibm.com>
3253
3254         * doc/passes.texi: Document vectorization pass.
3255
3256 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
3257
3258         * tree-scalar-evolution.c (get_exit_conditions_rec,
3259         select_loops_exit_conditions,
3260         number_of_iterations_for_all_loops,
3261         analyze_scalar_evolution_for_all_loop_phi_nodes,
3262         scev_analysis): Use VEC instead of VARRAY.
3263
3264 2005-05-02  Michael Matz  <matz@suse.de>
3265
3266         PR c++/19542
3267         * c-common.c (c_common_nodes_and_builtins): Create global null_node.
3268         (warn_strict_null_sentinel): Define.
3269         (check_function_sentinel): Check for null_node as valid sentinel too.
3270         * c-common.h (c_tree_index): Added CTI_NULL.
3271         (null_node) Define global_tree[CTI_NULL].
3272         (warn_strict_null_sentinel): Declare.
3273         * c-opts.c: (c_common_handle_option): Handle -Wstrict-null-sentinel.
3274         * c.opt: (Wstrict-null-sentinel): New C++ option.
3275         * doc/invoke.texi (C++ Options): Document -Wstrict-null-sentinel.
3276
3277 2005-05-01  Kazu Hirata  <kazu@cs.umass.edu>
3278
3279         * gimplify.c (gimplify_compound_lval): Use VEC instead of
3280         VARRAY.
3281
3282         * global.c (calculate_reg_pav): Use VEC instead of VARRAY.
3283
3284         * dwarf2out.c (decl_scope_table, push_decl_scope,
3285         pop_decl_scope, scope_die_for, dwarf2out_init): Use VEC
3286         instead of VARRAY.
3287
3288 2005-05-01  Mark Mitchell  <mark@codesourcery.com>
3289
3290         PR C++/14391
3291         * c-cppbuiltin.c (c_cpp_builtins): Do not define __GXX_WEAK__ to 1
3292         if !flag_weak.
3293         * doc/cpp.texi (__DEPRECATED): Document.
3294         (__EXCEPTIONS): Likewise.
3295         (__GXX_WEAK__): Likewise.
3296
3297         * function.c (INVOKE__main): Do not define.
3298         (expand_main_function): Check HAS_INIT_SECTION when determining
3299         whether or not to call __main.
3300
3301 2005-05-01  Kazu Hirata  <kazu@cs.umass.edu>
3302
3303         * tree-ssa-loop-ivopts.c: Fix a comment typo.
3304
3305 2005-01-05  Paul Brook  <paul@codesourcery.com>
3306
3307         * config/arm/arm.h (ARM_EMIT_TRAMPOLINE_CACHE_CLEAR): Define.
3308         (INITIALIZE_TRAMPOLINE): Use it.
3309         * config/arm/linux-gas.h (INITIALIZE_TRAMPOLINE): Remove.
3310         * config/arm/netbsd.h (INITIALIZE_TRAMPOLINE): Remove.
3311         * config/arm/netbsd-elf.h (INITIALIZE_TRAMPOLINE): Remove.
3312
3313 2005-05-01  Gerald Pfeifer  <gerald@pfeifer.com>
3314
3315         * doc/install.texi (Specific): Omit dots in the @anchors names
3316         for i?86-*-sco3.2v5*, i?86-*-solaris2.10, and sparc-sun-solaris2.7.
3317         Omit underscores for x86_64-*-* and the "all ELF targets" entry.
3318
3319 2005-05-01  Zdenek Dvorak  <dvorakz@suse.cz>
3320
3321         PR tree-optimization/18316
3322         PR tree-optimization/19126
3323         * tree.c (build_int_cst_type): Avoid shift by size of type.
3324         * tree-scalar-evolution.c (simple_iv): Add allow_nonconstant_step
3325         argument.
3326         * tree-scalar-evolution.h (simple_iv): Declaration changed.
3327         * tree-ssa-loop-ivopts.c (struct iv_cand): Add depends_on
3328         field.
3329         (dump_cand): Dump depends_on information.
3330         (determine_biv_step): Add argument to simple_iv call.
3331         (contains_abnormal_ssa_name_p): Handle case expr == NULL.
3332         (find_bivs, find_givs_in_stmt_scev): Do not require step to be a
3333         constant.
3334         (add_candidate_1): Record depends_on for candidates.
3335         (tree_int_cst_sign_bit, constant_multiple_of): New functions.
3336         (get_computation_at, get_computation_cost_at, may_eliminate_iv):
3337         Handle ivs with nonconstant step.
3338         (iv_ca_set_remove_invariants, iv_ca_set_add_invariants): New functions.
3339         (iv_ca_set_no_cp, iv_ca_set_cp): Handle cand->depends_on.
3340         (create_new_iv): Unshare the step before passing it to create_iv.
3341         (free_loop_data): Free cand->depends_on.
3342         (build_addr_strip_iref): New function.
3343         (find_interesting_uses_address): Use build_addr_strip_iref.
3344         (strip_offset_1): Split the recursive part from strip_offset.
3345         Strip constant offset component_refs and array_refs.
3346         (strip_offset): Split the recursive part to strip_offset_1.
3347         (add_address_candidates): Removed.
3348         (add_derived_ivs_candidates): Do not use add_address_candidates.
3349         (add_iv_value_candidates): Add candidates with stripped constant
3350         offset.  Consider all candidates with initial value 0 important.
3351         (struct affine_tree_combination): New.
3352         (aff_combination_const, aff_combination_elt, aff_combination_scale,
3353         aff_combination_add_elt, aff_combination_add,
3354         tree_to_aff_combination, add_elt_to_tree, aff_combination_to_tree,
3355         fold_affine_sum): New functions.
3356         (get_computation_at): Use fold_affine_sum.
3357         * tree-ssa-loop-manip.c (create_iv): Handle ivs with nonconstant step.
3358         * tree-ssa-loop-niter.c (number_of_iterations_exit): Add argument
3359         to simple_iv call.
3360
3361 2005-04-30  Michael Matz  <matz@suse.de>
3362
3363         * config/i386/i386.md (movmemsi): Also active when
3364         TARGET_INLINE_ALL_STRINGOPS.
3365
3366 2005-04-30  Eric Botcazou  <ebotcazou@libertysurf.fr>
3367
3368         PR bootstrap/20633
3369         * config/freebsd-spec.h (FBSD_CPP_SPEC): Add %(cpp_arch).
3370
3371 2005-04-30  Paul Brook  <paul@codesourcery.com>
3372
3373         * config/arm/bpabi.h (RENAME_LIBRARY_SET): Always use .thumb_set in
3374         thumb mode.
3375         * config/arm/ieee754-df.S: Use __INTERWORKING_STUBS__.
3376         * config/arm/ieee754-sf.S: Ditto.
3377         * config/arm/lib1funcs.asm: Define and use __INTERWORKING_STUBS__.
3378         (FUNC_ALIAS): Use .thumb_set for thumb routines.
3379
3380 2005-04-30  Kazu Hirata  <kazu@cs.umass.edu>
3381
3382         * tree-ssanames.c: Fix a comment typo.
3383         * doc/options.texi: Fix a typo.
3384
3385 2005-04-30  Nathan Sidwell  <nathan@codesourcery.com>
3386
3387         * config/h8300/h8300.c (byte_reg): Use gcc_assert and
3388         gcc_unreachable as appropriate.
3389         (split_adds_subs, cond_string, print_operand,
3390         h8300_initial_elimination_offset, h8300_classify_operand,
3391         h8300_unary_length, h8300_short_immediate_length,
3392         h8300_bitfield_length, h8300_binary_length,
3393         h8300_insn_length_from_table, compute_mov_length, output_plussi,
3394         compute_plussi_length, compute_plussi_cc, output_logical_op,
3395         compute_logical_op_length, compute_logical_op_cc,
3396         output_h8sx_shift, get_shift_alg, h8300_shift_needs_scratch_p,
3397         output_a_shift, compute_a_shift_length, compute_a_shift_cc,
3398         output_a_rotate, compute_a_rotate_length, fix_bit_operand,
3399         h8300_regs_ok_for_stm): Likewise.
3400         * config/h8300/h8300.md (*movsi_h8300, *movsf_h8300,
3401         monitor_prologue): Likewise.
3402
3403 2005-04-30  Kazu Hirata  <kazu@cs.umass.edu>
3404
3405         * loop-invariant.c (invariants, create_new_invariant,
3406         get_inv_cost, best_gain_for_invariant,
3407         find_invariants_to_move, move_invariants,
3408         init_inv_motion_data, free_inv_motion_data): Use VEC instead
3409         of VARRAY.
3410
3411 2005-04-29  Richard Henderson  <rth@redhat.com>
3412
3413         * function.c (instantiate_decls): Remove valid_only argument.
3414         (instantiate_decls_1, instantiate_decl): Likewise.
3415         (instantiate_virtual_regs_1): Delete.
3416         (instantiate_virtual_regs_lossage): Delete.
3417         (instantiate_virtual_regs_in_rtx): New.
3418         (safe_insn_predicate): New.
3419         (instantiate_virtual_regs_in_insn): New.
3420         (instantiate_virtual_regs): Update to match all that.  Only run
3421         instantiate_decls once.
3422
3423 2005-04-29  Richard Henderson  <rth@redhat.com>
3424             Daniel Jacobowitz  <dan@codesourcery.com>
3425
3426         * gengtype.c (write_func_for_structure): Split out ...
3427         (output_type_enum): ... new function.  Fix thinko accessing
3428         TYPE_PARAM_STRUCT data.
3429
3430 2005-04-29  Tom Tromey  <tromey@redhat.com>
3431
3432         * tree.c (build_block): Removed unused 'tags' argument.
3433         * tree.h (build_block): Removed argument.
3434
3435 2005-04-29  Michael Matz  <matz@suse.de>
3436
3437         PR rtl-optimization/21144
3438         * postreload.c (reload_cse_move2add): Check for VOIDmode.
3439
3440 2005-04-29  Bob Wilson  <bob.wilson@acm.org>
3441
3442         * config/xtensa/xtensa.h (OPTIMIZATION_OPTIONS): Define to disable
3443         flag_reorder_blocks.
3444
3445 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
3446
3447         PR tree-optimization/21030
3448         * tree-vrp.c (adjust_range_with_scev): Do not create invalid
3449         ranges where VR->MAX is smaller than VR->MIN.
3450
3451 2005-04-29  Devang Patel  <dpatel@apple.com>
3452
3453         PR tree-optimization/21272
3454         PR tree-optimization/21266
3455         * tree-if-conv.c (find_phi_replacement_condition): Fix think-o.
3456
3457 2005-04-29  Kazu Hirata  <kazu@cs.umass.edu>
3458
3459         * tree-flow-inline.h: Fix a comment typo.
3460         * doc/tree-ssa.texi: Fix a typo.
3461
3462         * tree-flow-inline.h, tree-ssa-operands.c: Fix comment typos.
3463
3464 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
3465
3466         * config/fr30/fr30.c (fr30_expand_prologue): Use gcc_assert and
3467         gcc_unreachable as appropriate.
3468         (fr30_expand_epilogue, fr30_setup_incoming_varargs,
3469         fr30_print_operand, fr30_move_double): Likewise.
3470         * config/fr30/fr30.md (*movsi_internal, *movsf_internal): Likewise.
3471
3472 2005-04-29  Mark Mitchell  <mark@codesourcery.com>
3473
3474         * config/arm/arm.h (ARM_EABI_CTORS_SECTION_OP): Do not define if a
3475         definition has already been provided.
3476         (ARM_EABI_DTORS_SECTION_OP): Likewise.
3477         * config/arm/symbian.h (ARM_EABI_CTORS_SECTION_OP): Define.
3478         (ARM_EABI_DTORS_SECTION_OP): Likewise.
3479
3480 2005-04-29  Jim Tison  <jtison@us.ibm.com>
3481
3482         * config/s390/s390.md ("prologue_tpf", "epilogue_tpf"): Alter
3483         trace hooks calls to improve performance.
3484
3485 2005-04-29  Julian Brown  <julian@codesourcery.com>
3486             Mark Mitchell  <mark@codesourcery.com>
3487             Paul Brook  <paul@codesourcery.com>
3488
3489         * crtstuff.c: Handle targets that use .init_array.
3490         * function.c (HAS_INIT_SECTION): Do not define. Instead, make sure
3491         that INVOKE__main is set correctly.
3492         (expand_main_function): Test INVOKE__main.
3493         * libgcc2.c: Do not define __main when using .init_array.
3494         * config/arm/arm.c (arm_elf_asm_constructor): New function.
3495         * config/arm/arm.h (CTORS_SECTION_ASM_OP): Define, with specialized
3496         libgcc version.
3497         (DTORS_SECTION_ASM_OP): Likewise.
3498         (CTOR_LIST_BEGIN): Define specially when in libgcc.
3499         (CTOR_LIST_END): Likewise.
3500         (DTOR_LIST_BEGIN): Likewise.
3501         (DTOR_LIST_END): Likewise.
3502         * config/arm/bpapi.h (INIT_SECTION_ASM_OP): Do not define it.
3503         (FINI_SECTION_ASM_OP): Likewise.
3504         (INIT_ARRAY_SECTION_ASM_OP): Define.
3505         (FINI_ARRAY_SECTION_ASM_OP): Likewise.
3506         * config/arm/elf.h (TARGET_ASM_CONSTRUCTOR): Define.
3507         (SUPPORTS_INIT_PRIORITY): Evaluate to false for EABI based targets.
3508         * doc/tm.texi (INIT_ARRAY_SECTION_ASM_OP): Document.
3509         (FINI_ARRAY_SECTION_ASM_OP): Likewise.
3510
3511 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
3512
3513         * config/m68k/m68k.c (m68k_initial_elimination_offset): Use
3514         gcc_assert and gcc_unreachable as appropriate.
3515         (output_dbcc_and_branch, output_scc_di, legitimize_pic_address,
3516         const_int_cost, output_move_const_into_data_reg,
3517         output_move_qimode, output_move_double, find_addr_reg,
3518         print_operand, print_operand_address): Likewise.
3519         * config/m68k/m68k.md (adddi3, subdi3, negsf2, negdf2, abssf2,
3520         absdf2, sordered, sunordered, suneq, sunge, sungt, sunle, sunlt,
3521         sltgt, bordered, bunordered, buneq, bunge, bungt, bunle, bunlt,
3522         bltgt, *bordered_rev, *bunordered_rev, *buneq_rev, *bunge_rev,
3523         *bunle_rev, *bunlt_rev, *bltgt_rev, negxf2, absxf2,
3524         conditional_trap): Likewise.
3525         * config/m68k/m68kelf.h (ASM_OUTPUT_ALIGN): Remove unreachable code.
3526
3527 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
3528
3529         * config/xtensa/xtensa.c (gen_int_relational): Use gcc_assert and
3530         gcc_unreachable as appropriate.
3531         (gen_conditional_move, xtensa_split_operand_pair,
3532         xtensa_split_operand_pair, xtensa_copy_incoming_a7,
3533         xtensa_copy_incoming_a7, xtensa_copy_incoming_a7,
3534         xtensa_copy_incoming_a7, xtensa_output_literal,
3535         xtensa_output_literal, xtensa_output_literal): Likewise.
3536         * config/xtensa/xtensa.h (INITIAL_ELIMINATION_OFFSET): Likewise.
3537         * config/xtensa/xtensa.md (*btrue, *bfalse, *ubtrue, *ubfalse,
3538         *bittrue, *bitfalse, *masktrue, *maskfalse, movsicc_internal0,
3539         movsicc_internal1, movsfcc_internal0,
3540         movsfcc_internal1): Likewise.
3541
3542 2005-04-28  James E Wilson  <wilson@specifixinc.com>
3543
3544         * config/i386/i386.h (HI_REGISTER_NAMES): Fix typos in comment.
3545         (ADDITIONAL_REGISTER_NAMES): Delete obsolete mmx register entries.
3546
3547 2005-04-28  DJ Delorie  <dj@redhat.com>
3548
3549         * opt-functions.awk (var_set): Emit proper initializer for
3550         non-target bitfields.
3551
3552 2005-04-28  Devang Patel  <dpatel@apple.com>
3553
3554         * dbxout.c (have_used_extensions): Remove.
3555         (dbxout_type_fileds, dbxout_type, dbxout_symbol): Remove use of
3556         have_used_extensions.
3557
3558 2005-04-28  James E Wilson  <wilson@specifixinc.com>
3559
3560         * doc/install.texi: Update -enable-languages info.  Correct path to
3561         html docs.
3562
3563 2005-04-28  DJ Delorie  <dj@redhat.com>
3564
3565         * optc-gen.awk (END): Make sure no variable is defined more
3566         than once.
3567         * opth-gen.awk (END): Allocate bits on a per-variable basis.
3568         Allow for bitfield variables other than target_flags.
3569         * doc/options.text (Mask): Document that you may specify a
3570         variable other than target_flags.
3571
3572 2005-04-28  Martin Koegler <mkoegler@auto.tuwien.ac.at>
3573
3574         PR rtl-optimization/18877
3575         * reload.c (decompose) <case REG, case SUBREG>: Handle pseudo reg
3576         number in val.start.
3577
3578 2005-04-28  David Edelsohn  <edelsohn@gnu.org>
3579
3580         PR target/20813
3581         * config/rs6000/aix43.h (SUBSUBTARGET_SWITCHES, aix64): Add
3582         MASK_PPC_GFXOPT.
3583         * config/rs6000/aix51.h (SUBSUBTARGET_SWITCHES, aix64): Same.
3584         * config/rs6000/aix52.h (SUBSUBTARGET_SWITCHES, aix64): Same.
3585         * config/rs6000/sysv4.h (SUBTARGET_SWITCHES, 64): Same.
3586
3587 2005-04-28  Richard Earnshaw  <richard.earnshaw@arm.com>
3588
3589         * arm.c (legitimize_pic_address): Fix sense of assertion test for
3590         creating pseudos when the base offset is too large.
3591
3592 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
3593
3594         * global.c (earlyclobber_regclass): Change the type to
3595         VEC(int,heap).
3596         (check_earlyclobber): Update uses of earlyclobber_regclass.
3597         (mark_reg_use_for_earlyclobber): Likewise.
3598         (calculate_local_reg_bb_info): Allocate and free
3599         earlyclobber_regclass using the VEC API.
3600
3601 2005-04-28  Nathan Sidwell  <nathan@codesourcery.com>
3602
3603         * tree-ssa-alias.c (push_fields_onto_fieldstack): Remove bogus
3604         assert.
3605
3606 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
3607
3608         * modulo-sched.c, tree-stdarg.c: Use targetm.foo instead of
3609         (*targetm.foo).
3610
3611         * config.gcc: Obsolete c4x-* and tic4x-*.
3612
3613         * tree.h (edge_def): Remove.
3614
3615         * bt-load.c, cfgexpand.c, dwarf2out.c, emit-rtl.c, expr.c,
3616         function.c, global.c, lcm.c, loop-invariant.c, optabs.c,
3617         reorg.c, resource.c, tree-ssa-loop-ivopts.c, value-prof.c: Use
3618         JUMP_P, LABEL_P, REG_P, MEM_P, NONJUMP_INSN_P, and INSN_P
3619         where appropriate.
3620
3621         * attribs.c, c-pragma.c, caller-save.c, cfghooks.h,
3622         coverage.c, cselib.h, domwalk.c, domwalk.h, errors.c,
3623         errors.h, gcov-dump.c, gcov-io.c, gcov-io.h, gen-protos.c,
3624         genattrtab.h, genextract.c, gthr-win32.h, insn-notes.def,
3625         integrate.c, lambda-mat.c, lambda.h, libgcov.c, local-alloc.c,
3626         machmode.def, mips-tfile.c, params.c, pretty-print.c,
3627         print-rtl.c, protoize.c, regmove.c, sched-vis.c, tree-chrec.h,
3628         tree-data-ref.h, vec.h, config/darwin-c.c, config/sol2-c.c,
3629         config/sol2.c, config/arm/arm-cores.def, config/arm/cirrus.md,
3630         config/arm/symbian.h, config/c4x/c4x.c, config/c4x/c4x.h,
3631         config/i386/cygming.h, config/i386/djgpp.h,
3632         config/i386/lynx.h, config/i386/netware.c,
3633         config/i386/winnt.c, config/ia64/ia64-c.c,
3634         config/iq2000/iq2000.c, config/m32r/little.h,
3635         config/m68k/m68k-protos.h, config/m68k/m68k.h,
3636         config/m68k/m68k.md, config/mcore/mcore.c,
3637         config/mcore/mcore.h, config/mmix/mmix.c, config/mmix/mmix.md,
3638         config/mn10300/mn10300-protos.h, config/mn10300/mn10300.c,
3639         config/mn10300/mn10300.h, config/ns32k/netbsd.h,
3640         config/ns32k/ns32k.c, config/ns32k/ns32k.h,
3641         config/pa/pa-hpux11.h, config/pdp11/pdp11.c,
3642         config/pdp11/pdp11.h, config/rs6000/darwin.h,
3643         config/rs6000/default64.h, config/rs6000/rs6000-c.c,
3644         config/s390/2064.md, config/s390/2084.md,
3645         config/s390/s390-modes.def, config/s390/s390-protos.h,
3646         config/s390/tpf.h, config/sh/sh.h, config/sh/symbian.c,
3647         config/stormy16/stormy16.c, config/vax/vax-protos.h,
3648         config/vax/vax.c, config/vax/vax.h,
3649         config/xtensa/lib1funcs.asm, config/xtensa/xtensa.md: Update
3650         copyright.
3651
3652 2005-04-28  Joseph S. Myers  <joseph@codesourcery.com>
3653
3654         * c-typeck.c (build_compound_expr): Correct logic in last change.
3655
3656 2005-04-27  James E. Wilson  <wilson@specifixinc.com>
3657
3658         * config/ia64/ia64.c (update_set_flags): Delete ppred and pcond
3659         parameters.  Replace conditional move code with assert checking for
3660         ar.lc.  Delete obsolete comments.
3661         (set_src_needs_barrier): Delete cond parameter, and code using it.
3662         (rtx_needs_barrier): Delete initialization of cond.  Fix typo in
3663         assert checking for PR_REGS.  Fix calls to update_set_flags and
3664         set_src_needs_barrier.
3665         (group_barrier_needed): Renamed from group_barrier_needed_p.  Fix all
3666         callers.  Rewrite explanatory comment before the function.
3667         (safe_group_barrier_needed): Renamed from safe_group_barrier_needed_p.
3668         Fix all callers.
3669
3670 2005-04-27  Mike Stump  <mrs@apple.com>
3671
3672         * doc/cpp.texi: gcc now implements universal character names.
3673
3674 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
3675
3676         PR c/21159
3677         * c-typeck.c (build_compound_expr): Don't warn for left-hand side
3678         being a compound expression whose right-hand side is cast to void.
3679
3680 2005-04-27  Caroline Tice  <ctice@apple.com>
3681
3682         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
3683         Remove targetm.have_named_sections test.
3684         (fix_edges_for_rarely_executed_code): Likewise.
3685         (insert_section_boundary_note): Likewise.
3686         (reorder_basic_blocks): Check partitioning flag before calling
3687         verify_hot_cold_block_grouping.
3688         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
3689         the function struct rather than global variables.
3690         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
3691         (COLD_END_LABEL): Likewise
3692         (cold_text_section_label): New static global variable.
3693         (cold_end_label): Likewise.
3694         (dwarf2out_switch_text_section): Get hot/cold section labels from
3695         the function struct rather than global variables; test to make sure
3696         cfun is defined.
3697         (output_aranges): Use cold_text_section_label and cold_end_label;
3698         check partitioning flag before putting out delta.
3699         (output_ranges): Remove incorrect code attempting to use
3700         hot/cold labels.
3701         (output_line_info): Get cold section label from function struct; test
3702         to make sure cfun is defined.
3703         (add_location_or_const_value_attribute): Likewise.
3704         (dwarf2out_var_location): Likewise.
3705         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
3706         write out cold_text_section_label if partition flag is set.
3707         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
3708         * function.h (struct function): Add new fields to point to hot/cold
3709         section labels: hot_section_label, cold_section_label,
3710         hot_section_end_label and cold_section_end_label; also add new field
3711         for cold text section name, unlikely_text_section_name.
3712         * opts.c (decode_options): Turn off partitioning flag if
3713         !targetm.have_named_sections.
3714         * output.h (hot_section_label): Remove.
3715         (hot_section_end_label): Remove.
3716         (cold_section_end_label): Remove.
3717         (unlikely_section_label): Remove.
3718         (unlikely_text_section_name): Remove.
3719         * passes.c (rest_of_handle_final):  Remove extra blank line.
3720         * varasm.c (unlikely_section_label): Remove.
3721         (hot_section_label): Remove.
3722         (hot_section_end_label): Remove.
3723         (cold_section_end_label): Remove.
3724         (unlikely_text_section_name):  Remove.
3725         (initialize_cold_section_name): Modify to call
3726         targetm.strip_name_encoding; to store cold section name in current
3727         function struct, if it exists; and to only use the decl_section_name
3728         if flag_named_sections is true.
3729         (unlikely_text_section): Modify to get section name out of current
3730         function struct, if there is one; otherwise build it from
3731         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
3732         (in_unlikely_text_section): Likewise.
3733         (named_section): Modify to get/put cold section name in current function
3734         struct, if there is one.
3735         (function_section):  Change 'bool unlikely' to 'int reloc'; check
3736         targetm.have_named_sections before calling named_section.
3737         (current_function_section): Likewise.
3738         (assemble_start_function): Modify to get/put unlikely_text_section_name
3739         in current function struct; modify to get hot/cold section labels
3740         from function struct; initialize labels using
3741         ASM_GENERATE_INTERNAL_LABEL;
3742         test partitioning flag before writing out hot section label.
3743         (assemble_end_function): Test partitioning flag before writing out
3744         hot/cold section labels.
3745         (default_section_type_flags_1):  Get cold text section name from
3746         function struct if there is one; Set flags correctly for
3747         cold text section if there is not a current function struct.
3748
3749 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
3750
3751         * tree-ssa-propagate.c (set_rhs): Revert last change.
3752
3753 2005-04-27  Steve Ellcey  <sje@cup.hp.com>
3754
3755         * explow.c (convert_memory_address): Add gcc_assert.
3756
3757 2005-04-27  Mark Mitchell  <mark@codesourcery.com>
3758
3759         * configure.ac: Check for ld --sysroot support.
3760         * gcc.c: Document %R specifier for specs.
3761         (SYSROOT_SPEC): New macro.
3762         (sysroot_spec): New variable.
3763         (static_specs): Add sysroot_spec.
3764         (main): Pass the sysroot spec to the linker if appropriate.
3765         * configure: Regenerated.
3766         * config.in: Likewise.
3767
3768 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
3769
3770         * fold-const.c (fold_binary): Use build_fold_addr_expr
3771         for address calculation and INDIRECT_REF handling.
3772
3773 2005-04-27  Andrew Haley  <aph@redhat.com>
3774
3775         * postreload-gcse.c (hash_scan_set): Remove bogus assertion.
3776
3777 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
3778
3779         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Reserve arm frame
3780         pointer when thumb backtracing is on.
3781
3782         * config/fp-bit.c (abort): Revert change.
3783
3784 2005-04-27  Ian Lance Taylor  <ian@airs.com>
3785
3786         * c-semantics.c (add_stmt): Don't test STATEMENT_CODE_P.
3787
3788 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
3789
3790         * tree-ssa-dce.c: Fix a comment typo.
3791
3792 2005-04-27  David S. Miller  <davem@davemloft.net>
3793
3794         * explow.c (allocate_dynamic_stack_space SETJMP_VIA_SAVE_AREA):
3795         Kill setjmpless_size.  current_function_calls_setjmp is completely
3796         computed when we are called, so just use the optimized size value
3797         instead of using REG_SAVE_AREA notes.
3798         (optimize_save_area_alloca): Delete....
3799         * rtl.h (optimize_save_area_alloca): Likewise...
3800         * passes.c (rest_of_compilation): and don't call it any more.
3801         * reg-notes.def (SAVE_AREA): Delete.
3802
3803 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
3804
3805         * config/fp-bit.c (abort): Add noreturn attribute.
3806
3807         * config/avr/avr.c (avr_naked_function_p): Use gcc_assert and
3808         gcc_unreachable as appropriate.
3809         (ptrreg_to_str, cond_string, avr_normalize_condition): Likewise.
3810         * config/avr/avr.h (ASM_OUTPUT_REG_PUSH,
3811         ASM_OUTPUT_REG_POP): Likewise.
3812
3813 2005-04-27  Paolo Bonzini  <bonzini@gnu.org>
3814
3815         * tree-complex.c (expand_vector_operations_1): Do not build
3816         VIEW_CONVERT_EXPR's for the lhs.
3817
3818 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
3819
3820         * config/pa/pa.h (PRINT_OPERAND_ADDRESS): Use gcc_assert, remove
3821         unnecessary noncanonical RTL handling.
3822         * config/pa/pa64-linux.h (INITIAL_ELIMINATION_OFFSET): Use
3823         gcc_assert and gcc_unreachable.
3824
3825         * config/arm/arm.h (ARM_PRINT_OPERAND_ADDRESS): Use gcc_assert and
3826         gcc_unreachable as appropriate.
3827         (THUMB_PRINT_OPERAND_ADDRESS): Likewise.
3828         * config/arm/arm.c (arm_override_options, arm_compute_func_type,
3829         use_return_insn, const_ok_for_op, arm_gen_constant,
3830         arm_canonicalize_comparison, legitimize_pic_address,
3831         thumb_find_work_register, arm_load_pic_register, arm_rtx_costs_1,
3832         arm_cirrus_insn_p, cirrus_reorg, minmax_code,
3833         load_multiple_sequence, emit_ldm_seq, store_multiple_sequence,
3834         emit_stm_seq, arm_gen_movmemqi, arm_select_dominance_cc_mode,
3835         arm_select_cc_mode, arm_reload_in_hi, arm_reload_out_hi,
3836         move_minipool_fix_forward_ref, move_minipool_fix_backward_ref,
3837         dump_minipool, create_fix_barrier, push_minipool_fix, arm_reorg,
3838         fp_immediate_constant, fp_const_from_val, vfp_output_fstmx,
3839         output_call, output_mov_long_double_fpa_from_arm,
3840         output_mov_long_double_arm_from_fpa,
3841         output_mov_double_fpa_from_arm, output_mov_double_arm_from_fpa,
3842         output_move_double, arithmetic_instr, shift_op, int_log2,
3843         output_return_instruction, arm_output_function_prologue,
3844         arm_output_epilogue, arm_output_function_epilogue,
3845         emit_multi_reg_push, arm_get_frame_offsets,
3846         arm_compute_initial_elimination_offset, arm_expand_prologue,
3847         arm_print_operand, arm_assemble_integer, get_arm_condition_code,
3848         arm_final_prescan_insn, arm_init_iwmmxt_builtins,
3849         arm_expand_binop_builtin, thumb_pushpop, thumb_far_jump_used_p,
3850         thumb_compute_initial_elimination_offset,
3851         thumb_output_function_prologue, thumb_load_double_from_address,
3852         thumb_output_move_mem_multiple, thumb_reload_out_hi,
3853         arm_emit_vector_const, arm_dbx_register_number): Likewise.
3854         * config/arm/pe.c (arm_mark_dllexport, arm_mark_dllimport): Likewise.
3855         * config/arm/arm.md (thumb_extendhisi2,
3856         *thumb_extendhisi2_insn_v6, *thumb_extendqisi2,
3857         *thumb_extendqisi2_v6, movhi, *thumb_movhi_insn,
3858         thumb_movhi_clobber, movqi, *arm_buneq, *arm_bltgt,
3859         *arm_buneq_reversed, *arm_bltgt_reversed, suneq, sltgt): Likewise.
3860         * config/arm/cirrus.md (*cirrus_arm_movdi,
3861         *cirrus_movdf_hard_insn): Likewise.
3862         * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
3863
3864 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
3865
3866         * tree-flow.h (ssa_names): Change the type to VEC(tree,gc).
3867         (num_ssa_names): Use VEC_length.
3868         (ssa_names): Use VEC_index.
3869         * tree-ssanames.c (ssa_names): Change the type to
3870         VEC(tree,gc).
3871         (init_ssanames, fini_ssa_names, make_ssanames,
3872         release_ssa_name): Update uses of ssa_names.
3873
3874         * dojump.c, emit-rtl.c, expmed.c, expr.c, stmt.c, stor-layout.c:
3875         Use fold_buildN instead of fold (buildN (...)).
3876
3877 2005-04-27  Devang Patel <dpatel@apple.com>
3878
3879         * dbxout.c (dbxout_type): Check use_gnu_debug_info_extensions.
3880
3881 2005-04-27  Matt Thomas <matt@3am-software.com>
3882             Jan-Benedict Glaw <jbglaw@microdata-pos.de>
3883
3884         * config/vax/vax.c (vax_rtx_costs): Whitespace cleanup.
3885         (vax_output_mi_thunk): Ditto.
3886         (vax_notice_cc_update): Ditto.
3887         (INDEX_REGISTER_P): Add trailing \.
3888         (BASE_REGISTER_P): Add trailing \.
3889         (legitimate_address_p): Whitespace cleanup.  Remove trailing \.
3890
3891 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
3892
3893         * tree-ssa-propagate.c (set_rhs): Check operand of
3894         ADDR_EXPR for gimpliness, too.
3895
3896 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
3897
3898         * tree-ssa-pre.c: Fix a comment typo.
3899
3900 2005-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
3901
3902         PR tree-optimization/21171
3903         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not
3904         record address uses if the reference is volatile.
3905
3906 2004-04-27  Paolo Bonzini  <bonzini@gnu.org>
3907
3908         * tree-complex.c (expand_vector_operation): New, extracted from
3909         expand_vector_operations_1.
3910         (tree_vec_extract): Build a NOP_EXPR.
3911         (expand_vec_parallel): Do not care about returning the correct type.
3912         (expand_vector_operations_1): Call expand_vector_operation.
3913         Build the VIEW_CONVERT_EXPR on the left side of MODIFY_EXPRs.
3914
3915         * tree-complex.c (gate_expand_vector_operations): New.
3916         (pass_lower_vector_ssa): Use it.
3917         * tree-optimize.c (init_tree_optimization_passes): Include
3918         pass_lower_vector_ssa.
3919         * tree-vect-transform.c (vect_min_worthwhile_factor): New.
3920         (vectorizable_operation): Use it.
3921         * tree-vectorizer.c (get_vectype_for_scalar_type): Accept
3922         integer modes for the vector type.
3923
3924         * defaults.h (UNITS_PER_SIMD_WORD): Default to UNITS_PER_WORD.
3925         * tree-vect-analyze.c (vect_enhance_data_refs_alignment):
3926         Do not cope with UNITS_PER_SIMD_WORD == 0.
3927         * tree-vectorizer.c (get_vectype_for_scalar_type): Check
3928         if the scalar type is not bigger than UNITS_PER_SIMD_WORD.
3929         (vectorize_loops): Do not check that UNITS_PER_SIMD_WORD > 0.
3930         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Default to UNITS_PER_WORD.
3931         * config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise.
3932         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise.
3933         * config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise.
3934
3935         * config/alpha/alpha.h (UNITS_PER_SIMD_WORD): Remove.
3936         * config/bfin/bfin.h (UNITS_PER_SIMD_WORD): Remove.
3937         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): Remove.
3938
3939         * doc/tm.texi (UNITS_PER_WORD): Rephrase more accurately.
3940         (UNITS_PER_SIMD_WORD): New.
3941
3942 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
3943
3944         * config/ia64/ia64.c (ia64_encode_addr_area): Use gcc_assert and
3945         gcc_unreachable as appropriate.
3946         (ia64_expand_load_address, ia64_expand_tls_address,
3947         ia64_split_tmode, ia64_split_tmode_move, ia64_expand_compare,
3948         ia64_expand_vecint_compare, ia64_expand_vecint_minmax,
3949         next_scratch_gr_reg, ia64_initial_elimination_offset,
3950         ia64_expand_prologue, ia64_expand_epilogue,
3951         ia64_output_dwarf_dtprel, ia64_print_operand,
3952         ia64_register_move_cost, first_instruction, rws_access_regno,
3953         update_set_flags, rtx_needs_barrier, group_barrier_needed_p,
3954         ia64_sched_init, ia64_variable_issue,
3955         ia64_first_cycle_multipass_dfs_lookahead_guard,
3956         ia64_dfa_new_cycle, issue_nops_and_insn, get_template, bundling,
3957         ia64_st_address_bypass_p, ia64_ld_address_bypass_p, process_set,
3958         process_for_unwind_directive, ia64_hpux_file_end): Likewise.
3959         * config/ia64/ia64.h (ASM_OUTPUT_ADDR_VEC_ELT): Likewise.
3960         * config/ia64/ia64.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
3961         * config/ia64/predicates.md (got_symbolic_operand,
3962         sdata_symbolic_operand): Likewise.
3963         * config/ia64/vect.md (vcondv2sf): Likewise.
3964
3965 2005-04-27  Matt Thomas <matt@3am-software.com>
3966
3967         * config/vax/vax.c (legitimate_constant_address_p): New.  Formerly
3968         CONSTANT_ADDRESS_P in config/vax/vax.h
3969         (legitimate_constant_p): Added.  Formerly CONSTANT_P in vax.h.
3970         (INDEX_REGISTER_P): New.
3971         (BASE_REGISTER_P): New.
3972         (indirectable_constant_address_p): New.  Adapted from
3973         INDIRECTABLE_CONSTANT_ADDRESS_P in vax.h. Use SYMBOL_REF_LOCAL_P.
3974         (indirectable_address_p): New.  Adapted from
3975         INDIRECTABLE_ADDRESS_P in vax.h.
3976         (nonindexed_address_p): New.  Adapted from
3977         GO_IF_NONINDEXED_ADDRESS in vax.h.
3978         (index_temp_p): New.  Adapted from INDEX_TERM_P in vax.h.
3979         (reg_plus_index_p): New.  Adapted from GO_IF_REG_PLUS_INDEX in vax.h.
3980         (legitimate_address_p): New.  Adapted from
3981         GO_IF_LEGITIMATE_ADDRESS in vax.h.
3982         (vax_mode_dependent_address_p): New.  Adapted from
3983         GO_IF_MODE_DEPENDENT_ADDRESS in vax.h.
3984         * config/vax/vax.h (CONSTANT_ADDRESS_P): Use
3985         legitimate_constant_address_p.
3986         (CONSTANT_P): Use legitimate_constant_p.
3987         (INDIRECTABLE_CONSTANT_ADDRESS_P): Removed.
3988         (INDIRECTABLE_ADDRESS_P): Removed.
3989         (GO_IF_NONINDEXED_ADDRESS): Removed.
3990         (INDEX_TEMP_P): Removed.
3991         (GO_IF_REG_PLUS_INDEX): Removed.
3992         (GO_IF_LEGITIMATE_ADDRESS): Use legitimate_address_p. Two
3993         definitions, depending on whether REG_OK_STRICT is defined.
3994         (GO_IF_MODE_DEPENDENT_ADDRESS): Use vax_mode_dependent_address_p.
3995         Two definitions, depending on whether REG_OK_STRICT is defined.
3996         * config/vax/vax-protos.h (legitimate_constant_address_p): Prototype
3997         added.
3998         (legitimate_constant_p): Prototype added.
3999         (legitimate_address_p): Prototype added.
4000         (vax_mode_dependent_address_p): Prototype added.
4001
4002 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
4003
4004         * tree.h (phi_arg_d): Expand a comment in phi_arg_d.
4005
4006 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
4007
4008         PR c/21213
4009         * c-decl.c (finish_struct): Don't dereference NULL TYPE_FIELDS of
4010         transparent union.
4011
4012 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
4013
4014         PR c/20740
4015         * c-format.c (init_dynamic_asm_fprintf_info): Give errors, not
4016         assertion failures, if __gcc_host_wide_int__ is not properly
4017         defined.
4018         (init_dynamic_diag_info): Give errors, not assertion failures, if
4019         location_t, tree or __gcc_host_wide_int__ are not properly
4020         defined.
4021
4022 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
4023
4024         * tree-ssa-loop-ivopts.c (ivopts_data, decl_rtl_to_reset,
4025         n_iv_uses, iv_use, n_iv_cands, iv_cand,
4026         tree_ssa_iv_optimize_init, record_use, add_candidate_1,
4027         prepare_decl_rtl, free_loop_data,
4028         tree_ssa_iv_optimize_finalize): Use the VEC API instead of
4029         VARRAY.
4030
4031         * tree.h (tree_phi_node): Add a comment about the order of PHI
4032         arguments.
4033
4034 2005-04-26  Paul Brook  <paul@codesourcery.com>
4035
4036         * config/arm/arm.md (thumb_mulsi3): Use two-operand assembly form.
4037
4038 2005-04-26  Nathan Sidwell  <nathan@codesourcery.com>
4039
4040         * config/mips.mips.c (mips_legitimize_tls_address): Use
4041         gcc_unreachable.
4042
4043         * config/mmix/mmix.c (mmix_assemble_integer): Use gcc_assert.
4044         * config/mmix/crti.asm (_init): Reword comment to avoid 'abort'.
4045         * config/mmix/mmix.md (nonlocal_goto_receiver): Likewise.
4046
4047         * config/sparc/sparc.h (enum reg_class): Reword comment to avoid
4048         'abort'.
4049
4050 2005-04-26  Jeff Law  <law@redhat.com>
4051
4052         * tree-flow-inline.h (op_iter_next_must_and_may_def): New.
4053         (op_iter_init_must_and_may_def): Likewise.
4054         (unmodifiable_var_p): Move to a later point in the file.
4055         * tree-ssa-operands.h (FOR_EACH_SSA_MUST_AND_MAY_DEF_OPERAND): New.
4056         * tree-ssa-dse.c (need_imm_uses_for): Remove, no longer needed.
4057         (dse_record_phis): Directly check for virtual operands rather than
4058         using need_imm_uses_for.
4059         (dse_optimize_stmt): Handle V_MUST_DEF operands.  Handle case where
4060         store has multiple V_{MAY,MUST}_DEF operands.
4061
4062 2005-04-26  Andrew MacLeod  <amacleod@redhat.com>
4063
4064         * tree-cfg.c (bsi_replace): Delink immediate uses for the original
4065         stmt.
4066
4067 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
4068
4069         * tree-cfg.c (lv_adjust_loop_header_phi): Speed up moving a
4070         call to find_edge outside a loop to go through a PHI chain.
4071
4072 2004-04-26  Richard Guenther  <rguenth@gcc.gnu.org>
4073
4074         PR tree-optimization/17598
4075         * fold-const.c (fold_binary): Fold comparisons of addresses
4076         of COMPONENT_REFs which reference the same field to
4077         comparisons of the addresses of the base objects.
4078
4079 2005-04-26  Julian Brown  <julian@codesourcery.com>
4080
4081         * config/arm/arm.c (arm_return_in_msb): New function.
4082         (arm_must_pass_in_stack): New function.
4083         (TARGET_RETURN_IN_MSB): Define target hook.
4084         (TARGET_MUST_PASS_IN_STACK): Define target hook.
4085         (arm_function_value): Pad small aggregate return.
4086         (arm_pad_arg_upward): New function.
4087         (arm_pad_reg_upward): New function.
4088         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Include complex values.
4089         (FUNCTION_ARG_PADDING): Define macro.
4090         (BLOCK_REG_PADDING): Define macro.
4091         (PAD_VARARGS_DOWN): Correct padding for AAPCS.
4092         * config/arm/arm-protos.h (arm_pad_arg_upward): Declare function.
4093         (arm_pad_reg_upward): Declare function.
4094
4095 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
4096
4097         * basic-block.h (ei_cond): New.
4098         (FOR_EACH_EDGE): Call ei_cond.
4099
4100         PR tree-optimization/21047
4101         * fold-const.c (fold_binary): Abort on ASSERT_EXPR.
4102         (fold): Don't handle ASSERT_EXPR.
4103
4104 2005-04-25  Roger Sayle  <roger@eyesopen.com>
4105
4106         * sched-deps.c (sched_analyze_1): On STACK_REGS targets, x87, treat
4107         all writes to any stack register as a read/write dependency on
4108         FIRST_STACK_REG.
4109         (sched_analyze_2): Likewise, for reads from any stack register.
4110
4111 2005-04-25  Richard Henderson  <rth@redhat.com>
4112
4113         * final.c (output_addr_const): Revert 2005-04-09 change.
4114
4115 2005-04-25  Mike Stump  <mrs@apple.com>
4116
4117         * config/darwin.c (darwin_encode_section_info): Always set
4118         MACHO_SYMBOL_STATIC for all ! TREE_PUBLIC symbols.
4119
4120 2005-04-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4121
4122         * collect2.c, gcc.c, gcov-dump.c, gcov.c, gen-protos.c,
4123         gensupport.c, protoize.c, toplev.c: Replace calls to
4124         `unlock_stream' with `unlock_std_streams'.
4125
4126 2005-04-25  Devang Patel <dpatel@apple.com>
4127
4128         * dbxout.c (dbxout_type): Emit attribute vector.
4129
4130 2005-04-05  Paul Brook  <paul@codesourcery.com>
4131
4132         * target-def.h (TARGET_CXX_USE_AEABI_ATEXIT): Define.
4133         * target.h (struct gcc_target): Add cxx.use_aeabi_atexit.
4134         * config/arm/arm.c (arm_cxx_atexit_name): New function.
4135         (TARGET_CXX_USE_AEABI_ATEXIT): New macro.
4136         * cp/decl.c (get_atexit_node): Reorder arguments for __aeabi_atexit.
4137         (register_dtor_fn): Likewise.
4138         * doc/tm.texi: Document TARGET_CXX_USE_AEABI_ATEXIT.
4139
4140 2005-04-25  Ian Lance Taylor  <ian@airs.com>
4141
4142         * c-common.def (EXPR_STMT): Remove, moved to C++ frontend.
4143         * c-common.h (EXPR_STMT_EXPR): Don't define.
4144         (c_common_stmt_codes): Don't define.
4145         * c-dump.c (c_dump_tree): Remove EXPR_STMT case.
4146         * c-gimplify.c (gimplify_expr_stmt): Remove.
4147         (c_gimplify_expr): Remove EXPR_STMT case.
4148         * c-objc-common.c (c_objc_common_init): Remove stmt_codes and call
4149         to INIT_STATEMENT_CODES.
4150         * c-pretty-print.c (pp_c_statement): Just call dump_generic_node.
4151
4152 2005-04-25  Jan Hubicka  <jh@suse.cz>
4153
4154         * tree-cfg.c (tree_duplicate_bb): Duplicate EH region too.
4155
4156         * except.c: Include diagnostic.h
4157         (dump_eh_tree, verify_eh_tree): New functions.
4158         * except.h (verify_eh_tree, dump_eh_tree, verify_eh_edges): Declare.
4159         * tree-cfg.c (tree_verify_flow_info): verify eh edges.
4160         (dump_function_to_file): dump eh tree.
4161         * tree-eh.c (mark_eh_edge): New function.
4162         (mark_eh_edge_found_error): New static variable.
4163         (verify_eh_edges): New function.
4164
4165 2005-04-25  Nathan Sidwell  <nathan@codesourcery.com>
4166
4167         * tree-ssa-alias.c (fieldoff_t): Remove.
4168         (fieldoff_s): typedef the structure itself.  Create a vector of
4169         objects.
4170         (push_fields_onto_fieldstack): Return count of fields pushed.
4171         Remove peeling of first field.  Adjust.
4172         (fieldoff_compare): Adjust.
4173         (create_overlap_variables_for): Adjust.
4174
4175 2005-04-25  Joseph S. Myers  <joseph@codesourcery.com>
4176
4177         * doc/invoke.texi (Blackfin Options): Avoid empty @opindex line.
4178
4179 2005-04-25  Joseph S. Myers  <joseph@codesourcery.com>
4180
4181         PR bootstrap/21215
4182         * doc/install.texi: Document correct assembler and linker to use
4183         on i?86-*-solaris2.10.
4184
4185 2005-04-25  Steven Bosscher  <stevenb@suse.de>
4186
4187         Fix PR tree-optimization/21173
4188
4189         * tree-ssa-pre.c (create_expression_by_pieces): Simplify code.
4190         Unshare expression we pass to force_gimple_operand.
4191
4192 2005-04-25  J"orn Rennecke <joern.rennecke@st.com>
4193             Stephen Clarke <stevec@superh.com>
4194             Roger Sayle <roger@eyesopen.com>
4195
4196         PR rtl-optimization/20413
4197         * cfgrtl.c (redirect_edge_and_branch): Use Pmode instead of
4198         VOIDmode for LABEL_REF.
4199         * final.c (shorten_branches): Likewise.
4200         * jump.c (mark_all_labels, redirect_exp_1): Likewise.
4201         * loop.c (reg_dead_after_loop): Likewise.
4202         * varasm.c (decode_addr_const): Likewise.
4203         * doc/rtl.texi: Document mode requirement for LABEL_REF.
4204
4205 2005-04-25  Ralf Corsepius  <ralf.corsepius@rtems.org>
4206
4207         * config.gcc (avr-*-*): Remove redundant "case".
4208
4209 2005-04-25  Kazu Hirata  <kazu@cs.umass.edu>
4210
4211         * tree-vect-analyze.c (vect_mark_relevant): Take
4212         VEC(tree,heap) instead of varray_type as an argument.
4213         (vect_mark_stmts_to_be_vectorized): Change the type of
4214         worklist to VEC(tree,heap).  Adjust uses of worklist.
4215
4216 2005-04-24  Devang Patel  <dpatel@apple.com>
4217
4218         *  config/rs6000/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): New.
4219
4220 2005-04-24  Ian Lance Taylor  <ian@airs.com>
4221
4222         * c-semantics.c (build_stmt): Remove test of specific tree codes
4223         for TREE_SIDE_EFFECTS handling.
4224
4225 2005-04-24  Per Bothner  <per@bothner.com>
4226
4227         * c-opts.c (finish_options):  Make the line-number of the <built-in>
4228         location 0, as assumed elsewhere, rather than 1.
4229
4230 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
4231
4232         * tree-ssa-uncprop.c (equiv_stack): Change the type o
4233         VEC(tree,heap).
4234         (tree_ssa_uncprop, uncprop_finalize_block,
4235         uncprop_initialize_block): Update uses of equiv_stack.
4236
4237 2005-04-24  Richard Henderson  <rth@redhat.com>
4238
4239         PR rtl-opt/21163
4240         * simplify-rtx.c (simplify_binary_operation) <IOR>: Check
4241         for SCALAR_INT_MODE_P instead of not MODE_CC before returning
4242         constm1_rtx.
4243         <AND, LSHIFTRT, UMIN>: Use CONST0_RTX.
4244         <UDIV, UMOD>: Use CONST0_RTX and CONST1_RTX.
4245         <DIV, MOD>: Likewise.
4246
4247 2005-04-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4248
4249         * collect2.c (main): Unlock the stdio streams.
4250         * gcc.c (main): Likewise.
4251         * gcov-dump.c (main): Likewise.
4252         * gcov.c (main): Likewise.
4253         * gen-protos.c (main): Likewise.
4254         * gensupport.c (init_md_reader_args_cb): Likewise.
4255         * protoize.c (main): Likewise.
4256         * toplev.c (general_init): Likewise.
4257
4258 2005-04-24  Jakub Jelinek  <jakub@redhat.com>
4259
4260         PR middle-end/20991
4261         * cgraph.h (cgraph_local_info): Add vtable_method field.
4262         * varasm.c (mark_decl_referenced): If cgraph_global_info_ready
4263         and node is vtable_method, finalized and not reachable, don't do
4264         anything.
4265
4266 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
4267
4268         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Use
4269         COMPARISON_CLASS_P.
4270         * tree-ssa-pre.c (create_value_expr_from): Use
4271         CONSTANT_CLASS_P and REFERENCE_CLASS_P.
4272         * tree-ssa-propagate.c (stmt_makes_single_load,
4273         stmt_makes_single_store): Use REFERENCE_CLASS_P.
4274         * tree-vect-transform.c (vect_is_simple_cond): Use
4275         COMPARISON_CLASS_P.
4276         * tree-vrp.c (extract_range_from_assert,
4277         build_assert_expr_for, fp_predicate, has_assert_expr): Use
4278         COMPARISON_CLASS_P.
4279
4280         * tree-ssa-live.c (build_tree_conflict_graph): Change the type
4281         of tpa_to_clear to VEC(int,heap).  Update uses of
4282         tpa_to_clear.  Free tpa_to_clear at the end.
4283
4284 2005-04-24  Andrew Pinski  <pinskia@physics.uc.edu>
4285
4286         * tree.h (TREE_THIS_VOLATILE): Document the effect on a
4287         function decl.
4288
4289 2005-04-24  Nathan Sidwell  <nathan@codesourcery.com>
4290
4291         * config/rs6000/rs6000.c (rs6000_override_options): Use gcc_assert
4292         and gcc_unreachable as appropriate.
4293         (num_insns_constant, output_vec_const_move,
4294         build_mask64_2_operands, rs6000_output_dwarf_dtprel,
4295         rs6000_emit_set_const, rs6000_emit_move,
4296         spe_build_register_parallel, function_arg,
4297         rs6000_move_block_from_reg, altivec_expand_predicate_builtin,
4298         spe_expand_predicate_builtin, spe_expand_evsel_builtin,
4299         rs6000_expand_builtin, spe_init_builtins, altivec_init_builtins,
4300         rs6000_common_init_builtins, expand_block_clear,
4301         expand_block_move, validate_condition_mode, ccr_bit, extract_MB,
4302         extract_ME, rs6000_get_some_local_dynamic_name,
4303         rs6000_output_function_entry, print_operand,
4304         print_operand_address, rs6000_generate_compare, rs6000_emit_sCOND,
4305         output_cbranch, output_e500_flip_gt_bit,
4306         rs6000_emit_vector_compare, rs6000_emit_vector_compare,
4307         rs6000_emit_cmove, rs6000_emit_minmax, rs6000_split_multireg_move,
4308         compute_save_world_info, rs6000_stack_info,
4309         rs6000_emit_load_toc_table, rs6000_frame_related,
4310         spe_synthesize_frame_save, rs6000_emit_epilogue,
4311         rs6000_output_function_epilogue, rs6000_hash_constant, output_toc,
4312         output_function_profiler, rs6000_trampoline_size,
4313         rs6000_initialize_trampoline, find_addr_reg,
4314         rs6000_machopic_legitimize_pic_address,
4315         rs6000_initial_elimination_offset,
4316         rs6000_dbx_register_number): Likewise.
4317         * config/rs6000/rs6000.md (*fix_truncdfsi2_internal,
4318         *movdf_hardfloat32, *movdf_softfloat32, *fix_trunctfsi2_internal,
4319         *movti_power, *movti_string, call, call_value, sibcall,
4320         sibcall_value): Likewise.
4321         * config/rs6000/spe.md (*movdf_e500_double,
4322         *movv2si_internal): Likewise.
4323         * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): Remove 'abort'
4324         from comment.
4325
4326 2005-04-24  Richard Henderson  <rth@redhat.com>
4327
4328         PR target/21101
4329         * config/i386/i386.h (CANNOT_CHANGE_MODE_CLASS): Move guts to ...
4330         * config/i386/i386.c (ix86_cannot_change_mode_class): ... here.
4331         Deny modes smaller than 4 bytes.
4332         * config/i386/i386-protos.h: Update.
4333
4334 2005-04-24  Ralf Corsepius  <ralf.corsepius@rtems.org>
4335
4336         * config.gcc (h8300-*-rtems*): Add h8300-*-rtemscoff*.
4337         Switch h8300-*-rtems* to ELF.
4338
4339 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
4340
4341         * vec.h (VEC_safe_grow): Replace grow with safe_grow.
4342
4343 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
4344
4345         * ipa-inline.c, tree-ssa-operands.h: Fix comment typos.
4346
4347 2005-04-23  Richard Guenther  <rguenth@gcc.gnu.org>
4348
4349         PR middle-end/21082
4350         * fold-const.c: Fold &a[i]-&a[j] to i-j.
4351
4352 2005-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
4353
4354         * tree-ssa-loop-niter.c (tree_simplify_using_condition): Expand simple
4355         definitions of ssa names in condition.  Split recusive part to ...
4356         (tree_simplify_using_condition_1): New function.
4357         (expand_simple_operations): New function.
4358
4359 2005-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
4360
4361         * tree-ssa-loop-ivopts.c (struct cost_pair): Add value field.
4362         (find_interesting_uses_cond): Do not use integer_zerop and
4363         integer_nonzerop to check for integer constants.
4364         (set_use_iv_cost): Record the value field.
4365         (determine_use_iv_cost_generic, determine_use_iv_cost_address,
4366         determine_use_iv_cost_outer): Set the value field of the cost pair.
4367         (may_eliminate_iv): Do not return the comparison code.
4368         (iv_elimination_compare): New function.
4369         (determine_use_iv_cost_condition): Set the value field.  Record
4370         noneliminable invariants correctly.
4371         (rewrite_use_compare, rewrite_use_outer): Use the value field.
4372
4373 2005-04-23  DJ Delorie  <dj@redhat.com>
4374
4375         * diagnostic.c (warning): Accept parameter to classify warning option.
4376         (warning0): New, for when a pointer to an error() like function is needed.
4377         * errors.c (warning): Likewise.
4378         * errors.h (warning, warning0): Adjust prototypes.
4379         * toplev.h (warning, warning0): Likewise.
4380
4381         * attribs.c, builtins.c, c-common.c, c-decl.c, c-format.c,
4382         c-gimplify.c, c-lex.c, c-objc-common.c, c-opts.c, c-parser.c,
4383         c-pragma.c, c-typeck.c, calls.c, cgraph.c, coverage.c, emit-rtl.c,
4384         fold-const.c, fortran/trans-decl.c, function.c, gcse.c,
4385         genautomata.c, haifa-sched.c, opts.c, passes.c, regclass.c,
4386         reload1.c, stmt.c, stor-layout.c, toplev.c, tree-cfg.c,
4387         tree-dump.c, tree-inline.c, tree-mudflap.c, tree-optimize.c,
4388         tree-ssa.c, tree.c, varasm.c: Adjust warning() callers.
4389
4390         * config/alpha/alpha.c, config/arc/arc.c, config/arm/arm.c,
4391         config/avr/avr.c, config/bfin/bfin.c, config/c4x/c4x-c.c,
4392         config/c4x/c4x.c, config/cris/cris.c, config/darwin-c.c,
4393         config/darwin.c, config/darwin.h, config/h8300/h8300.c,
4394         config/i386/cygming.h, config/i386/djgpp.h, config/i386/i386.c,
4395         config/i386/winnt.c, config/ia64/ia64-c.c, config/ia64/ia64.c,
4396         config/ip2k/ip2k.c, config/m32r/m32r.c, config/m68hc11/m68hc11.c,
4397         config/m68k/m68k.c, config/mcore/mcore.c, config/mips/mips.c,
4398         config/mmix/mmix.c, config/ns32k/ns32k.c, config/pa/pa-hpux11.h,
4399         config/pa/pa.c, config/rs6000/aix43.h, config/rs6000/aix51.h,
4400         config/rs6000/aix52.h, config/rs6000/darwin.h,
4401         config/rs6000/rs6000-c.c, config/rs6000/rs6000.c,
4402         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
4403         config/sh/symbian.c, config/sol2-c.c, config/sol2.c,
4404         config/stormy16/stormy16.c, config/v850/v850-c.c,
4405         config/v850/v850.c, config/xtensa/xtensa.c: Adjust warning()
4406         callers.
4407
4408 2005-04-23  Richard Henderson  <rth@redhat.com>
4409
4410         PR rtl-opt/21102
4411         * simplify-rtx.c (simplify_binary_operation): Fix mode check before
4412         performing some integral scalar simplifications.
4413
4414 2005-04-23  Richard Henderson  <rth@redhat.com>
4415
4416         PR target/21099
4417         * config/i386/i386.c (ix86_split_to_parts): Use proper mode when
4418         simplifying CONST_VECTOR.
4419
4420 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
4421
4422         * tree-ssa-live.c (live_worklist): Take a stack allocated on
4423         heap as an argument.  Update uses of stack.
4424         (calculate_live_on_entry): Allocate stack on heap.
4425
4426         * tree-ssa-live.c (build_tree_conflict_graph): Allocate
4427         partition_link and tpa_nodes on heap.
4428
4429         * tree-ssa-dce.c (worklist): Change to VEC(tree,heap).
4430         (mark_stmt_necessary, propagate_necessity,
4431         mark_really_necessary_kill_operand_phis): Update uses of
4432         worklist.
4433         (tree_dce_init): Allocate worklist using VEC_alloc.
4434         (tree_dce_done): Free worklist using VEC_free.
4435
4436 2005-04-23  Mike Stump  <mrs@apple.com>
4437
4438         * config/darwin.c (machopic_indirection_name): Don't use
4439         quotes needlessly.
4440         (darwin_emit_unwind_label): Use user_label_prefix instead of
4441         "_".
4442
4443 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
4444
4445         * final.c, ipa-inline.c, varasm.c: Fix comment typos.
4446
4447 2005-04-23  Hans-Peter Nilsson  <hp@axis.com>
4448
4449         * config.gcc <cris-*>: Specify .opt files.
4450         * config/cris/cris.opt, config/cris/elf.opt, config/cris/aout.opt,
4451         config/cris/linux.opt: New files.
4452         * config/cris/aout.h (CRIS_SUBTARGET_SWITCHES)
4453         (CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
4454         (TARGET_ELF): Override to 0.
4455         (CRIS_SUBTARGET_HANDLE_OPTION): Override to handle -melinux and
4456         -melinux-stacksize=N.
4457         * config/cris/cris.c: (cris_handle_option): New function.
4458         (TARGET_DEFAULT_TARGET_FLAGS): Override.
4459         (TARGET_HANDLE_OPTION): Override to cris_handle_option.
4460         (cris_override_options): Use MASK_*, not TARGET_MASK_*.
4461         * config/cris/cris.h (TARGET_MASK_SVINTO, TARGET_SVINTO,
4462         (TARGET_MASK_CCINIT, TARGET_CCINIT, TARGET_MASK_PDEBUG)
4463         (TARGET_PDEBUG, TARGET_MASK_SIDE_EFFECT_PREFIXES)
4464         (TARGET_SIDE_EFFECT_PREFIXES, TARGET_MASK_EXPAND_MUL)
4465         (TARGET_EXPAND_MUL, TARGET_MASK_STACK_ALIGN, TARGET_STACK_ALIGN)
4466         (TARGET_MASK_CONST_ALIGN, TARGET_CONST_ALIGN)
4467         (TARGET_MASK_DATA_ALIGN, TARGET_DATA_ALIGN)
4468         (TARGET_MASK_PROLOGUE_EPILOGUE, TARGET_PROLOGUE_EPILOGUE)
4469         (TARGET_MASK_ETRAX4_ADD, TARGET_ETRAX4_ADD)
4470         (TARGET_MASK_ALIGN_BY_32, TARGET_ALIGN_BY_32, TARGET_MASK_ELF)
4471         (TARGET_ELF, TARGET_MASK_LINUX, TARGET_LINUX)
4472         (TARGET_MASK_AVOID_GOTPLT, TARGET_AVOID_GOTPLT)
4473         (TARGET_MASK_MUL_BUG, TARGET_MUL_BUG, TARGET_SWITCHES)
4474         (CRIS_SUBTARGET_SWITCHES, TARGET_OPTIONS)
4475         (CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
4476         (TARGET_LINUX): Define 0.
4477         (TARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.
4478         (CRIS_SUBTARGET_DEFAULT): Define to 0, not TARGET_MASK_ELF.
4479         (CRIS_SUBTARGET_DEFAULT): New empty default macro.
4480         * config/cris/linux.h (CRIS_SUBTARGET_SWITCHES): Don't define.
4481         (TARGET_LINUX): Override to 1.
4482         (CRIS_SUBTARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.
4483
4484 2005-04-23  Nathan Sidwell  <nathan@codesourcery.com>
4485
4486         * haifa-sched.c (schedule_block): Fix thinko in previous
4487         assertification patch.
4488
4489 2005-04-23  Richard Sandiford  <rsandifo@redhat.com>
4490
4491         * config.gcc (hppa[12]*-*-hpux10*): Add pa/pa-hpux.opt to
4492         $extra_options.  Also add pa/pa-hpux1010.opt for hpux10.[1-9]*.
4493         (hppa*64*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file.  Add
4494         pa/pa-hpux.opt, pa/pa-hpux1010.opt and pa/pa64-hpux.opt to
4495         $extra_options.  Also add pa/pa-hpux1111.opt for hpux11.[1-9]*.
4496         (hppa[12]*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file.  Add
4497         pa/pa-hpux.opt to $extra_options.  Also add pa/pa-hpux1111.opt
4498         for hpux11.[1-9]*.
4499         * config/pa/pa.h (architecture_type, rtx_def, pa_arch_string, pa_arch)
4500         (pa_fixed_range_string, pa_cpu_string, pa_unix_string, target_flags)
4501         (MASK_PA_11, MASK_DISABLE_FPREGS, TARGET_DISABLE_FPREGS)
4502         (MASK_NO_SPACE_REGS, TARGET_NO_SPACE_REGS, MASK_JUMP_IN_DELAY)
4503         (TARGET_JUMP_IN_DELAY, MASK_DISABLE_INDEXING, TARGET_DISABLE_INDEXING)
4504         (MASK_PORTABLE_RUNTIME, TARGET_PORTABLE_RUNTIME, MASK_GAS, TARGET_GAS)
4505         (MASK_SOFT_FLOAT, TARGET_SOFT_FLOAT, MASK_LONG_LOAD_STORE)
4506         (TARGET_LONG_LOAD_STORE, MASK_FAST_INDIRECT_CALLS)
4507         (TARGET_FAST_INDIRECT_CALLS, MASK_BIG_SWITCH, TARGET_BIG_SWITCH)
4508         (MASK_PA_20, MASK_SIO, TARGET_SIO, MASK_GNU_LD, TARGET_GNU_LD)
4509         (MASK_LONG_CALLS, TARGET_LONG_CALLS, TARGET_PA_11, TARGET_PA_20)
4510         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS)
4511         (SUBTARGET_OPTIONS): Delete.
4512         (TARGET_PA_10): Redefine in terms of TARGET_PA_11 and TARGET_PA_20.
4513         (TARGET_SCHED_DEFAULT): Define to a PROCESSOR_* enum (PROCESSOR_8000)
4514         instead of a string.
4515         * config/pa/pa.c (pa_arch, pa_arch_string, pa_fixed_range_string)
4516         (pa_cpu_string, pa_unix_string): Delete.
4517         (pa_cpu): Initialize to TARGET_SCHED_DEFAULT.
4518         (flag_pa_unix): Initialize based on TARGET_HPUX_11_11 and
4519         TARGET_HPUX_10_10.
4520         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
4521         (pa_handle_option): New function.
4522         (override_options): Remove handling of -march=, -mfixed-range=,
4523         -mschedule= and -munix=.
4524         * config/pa/pa-hpux.h (SUBTARGET_SWITCHES): Delete.
4525         * config/pa/pa-hpux1010.h (SUBTARGET_OPTIONS): Delete.
4526         * config/pa/pa-hpux10.h (SUBTARGET_OPTIONS): Delete.
4527         * config/pa/pa-hpux1111.h (SUBTARGET_OPTIONS): Delete.
4528         * config/pa/pa-hpux11.h (SUBTARGET_OPTIONS): Delete.
4529         * config/pa/pa64-hpux.h (SUBTARGET_SWITCHES): Delete.
4530         * config/pa/pa64-start.h (TARGET_PA_11, TARGET_PA_20): #undef before
4531         redefining.
4532         * config/pa/pa.opt: New file.
4533         * config/pa/pa-hpux.opt: New file.
4534         * config/pa/pa-hpux1010.opt: New file.
4535         * config/pa/pa-hpux1111.opt: New file.
4536         * config/pa/pa64-hpux.opt: New file.
4537
4538 2005-04-22  David S. Miller  <davem@davemloft.net>
4539
4540         * rtl.h (CONST_DOUBLE): Fix comment, a CONST_DOUBLE holds an
4541         integer when it's mode is VOIDmode not DImode.
4542
4543 2005-04-22  Geoffrey Keating  <geoffk@apple.com>
4544
4545         * config/rs6000/rs6000.md (sync_add<mode>_internal,
4546         sync_addshort_internal, sync_sub<mode>_internal, sync_andsi_internal,
4547         sync_anddi_internal, sync_boolsi_internal, sync_booldi_internal,
4548         sync_boolc<mode>_internal, sync_boolc<mode>_internal2,
4549         sync_boolcc<mode>_internal, sync_lock_test_and_set<mode>): Use
4550         "bne- $-xxx" rather than local labels.
4551         (sync_lock_release<mode>): Add second operand.
4552         (lwsync): Use .long rather than a more meaningful opcode.
4553         * doc/md.texi (Standard Names): Add description of second
4554         parameter to sync_lock_test_and_set.
4555
4556 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
4557
4558         PR tree-optimization/21088
4559         * fold-const.c (fold_unary, fold_binary, fold_ternary):
4560         Export.
4561         * tree-vrp.c (compare_values): Use fold_binary to compare
4562         pointers.  Use boolean_type_node as the type of a comparison
4563         expression being folded.
4564         * tree.h: Add prototypes for fold_unary, fold_binary,
4565         fold_ternary.
4566
4567         * tree-ssa-dom.c: Fix formatting.
4568
4569 2005-04-22  Diego Novillo  <dnovillo@redhat.com>
4570
4571         * Makefile.in (tree-into-ssa.o): Add dependency on PARAMS_H.
4572         * lambda-code.c (perfect_nestify): Mark virtual operands in
4573         the moved statement for renaming.
4574         * params.def (PARAM_MIN_VIRTUAL_MAPPINGS): Define.
4575         (PARAM_VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
4576         * params.h (MIN_VIRTUAL_MAPPINGS): Define.
4577         (VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
4578         * tree-flow.h (struct var_ann_d): Update comments.
4579         (rewrite_to_new_ssa_names_bb, rewrite_to_new_ssa_names,
4580         allocate_ssa_names, find_phi_node_for, dump_tree_ssa,
4581         debug_tree_ssa, debug_def_blocks, dump_tree_ssa_stats,
4582         debug_tree_ssa_stats, rewrite_ssa_into_ssa,
4583         dump_repl_tbl, debug_repl_tbl, dump_names_replaced_by,
4584         debug_names_replaced_by): Remove declarations.
4585         (delete_update_ssa, get_current_def, set_current_def): Declare.
4586         (rewrite_into_loop_closed_ssa): Add new argument.  Update
4587         all callers.
4588         * tree-into-ssa.c: Include params.h.
4589         (old_virtual_ssa_names): Remove.  Update all users.
4590         (need_to_replace_names_p): Remove.  Update all users.
4591         (struct update_ssa_stats_d): Declare.
4592         (update_ssa_stats): New local.
4593         (dump_tree_ssa, debug_tree_ssa, debug_def_blocks,
4594         dump_tree_ssa_stats, debug_tree_ssa_stats,
4595         dump_update_ssa, debug_update_ssa,
4596         dump_names_replaced_by, debug_names_replaced_by): Declare.
4597         (get_current_def, set current_def): Make extern.
4598         (is_old_name, is_new_name): Protect against references
4599         past the end of the sets.
4600         (add_new_name_mapping): Assert that OLD and NEW are
4601         different SSA names for the same symbol.
4602         When adding a virtual mapping, update stats for virtual
4603         mapping heuristic.
4604         (insert_phi_nodes_for): If UPDATE_P is true, create the
4605         LHS of the new PHI by duplicating SSA name VAR.
4606         (insert_phi_nodes_1): Remove.  Update all users.
4607         (insert_phi_nodes): Remove second argument.  Update all
4608         users.
4609         (maybe_replace_use, maybe_replace_def): New.
4610         (rewrite_update_stmt): Call them.
4611         (mark_def_interesting): Remove calls to is_gimple_reg.
4612         (prepare_phi_args_for_update): Remove.  Update all users.
4613         (prepare_block_for_update): Only process virtual operands
4614         and GIMPLE registers in normal form.
4615         (prepare_use_sites_for): New.
4616         (prepare_names_to_update): Rename from prepare_def_sites.
4617         Call prepare_use_sites_for.
4618         (dump_update_ssa): Rename from dump_repl_tbl.
4619         Update all users.
4620         Show statistics for virtual mapping heuristic.
4621         (debug_update_ssa): Rename from debug_debug_repl_tbl.
4622         (init_update_ssa): Initialize UPDATE_SSA_STATS.
4623         (delete_update_ssa): Make extern.
4624         (mark_set_for_renaming): If the set is empty, do nothing.
4625         (release_ssa_name_after_update_ssa): Update comment.
4626         (insert_updated_phi_nodes_for): Do not remove existing
4627         PHI nodes for symbols.
4628         (switch_virtuals_to_full_rewrite_p): New.
4629         (switch_virtuals_to_full_rewrite): New.
4630         (update_ssa): Call them.
4631         Clear REWRITE_THIS_STMT and REGISTER_DEFS_IN_THIS_STMT
4632         for every statement before updating.
4633         If all the names in NEW_SSA_NAMES have been marked for
4634         removal, do nothing.
4635         Only start at the top of the CFG if there are symbols in
4636         SYMS_TO_RENAME.
4637         (ssa_rewrite_finalize_block): Remove.
4638         (ssa_register_new_def): Remove.
4639         (ssa_rewrite_stmt): Remove.
4640         (ssa_rewrite_phi_arguments): Remove.
4641         (ssa_rewrite_initialize_block): Remove.
4642         (ssa_mark_def_sites): Remove.
4643         (ssa_mark_def_sites_initialize_block): Remove.
4644         (ssa_mark_phi_uses): Remove.
4645         (rewrite_ssa_into_ssa): Remove.
4646         * tree-phinodes.c (find_phi_node_for): Remove.
4647         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
4648         Call update_ssa.
4649         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops):
4650         Remove calls to verify_dominators and
4651         verify_loop_structure.
4652         (tree_unswitch_single_loop): Call update_ssa.
4653         * tree-ssa.c (verify_ssa): Assert that need_ssa_update_p
4654         returns false.
4655         Call verify_stmts.
4656         (delete_tree_ssa): Assert that need_ssa_update_p returns
4657         false.
4658         * tree-vect-transform.c (vect_transform_loop): Call update_ssa.
4659         * tree-vectorizer.c (allocate_new_names, rename_def_op,
4660         free_new_names): Remove.  Update all users.
4661         (rename_use_op): Call get_current_def.
4662         (rename_variables_in_bb): Do not handle any real or
4663         virtual definition.
4664         (slpeel_update_phis_for_duplicate_loop): Call
4665         get_current_def and set_current_def instead of using
4666         SSA_NAME_AUX.
4667         (slpeel_update_phi_nodes_for_guard2): Reformat comments.
4668         (slpeel_can_duplicate_loop_p): Call need_ssa_update_p,
4669         ssa_names_to_replace and delete_update_ssa.
4670         * doc/invoke.texi: Document --param min-virtual-mappings
4671         and --param virtual-mappings-ratio.
4672
4673 2005-04-22  Diego Novillo  <dnovillo@redhat.com>
4674
4675         * tree-cfg.c (tree_duplicate_bb): Call create_new_def_for
4676         for newly created PHI nodes.
4677         Call create_new_def_for for every new V_MAY_DEF and
4678         V_MUST_DEF on the copied statement.
4679         (struct ssa_name_map_entry): Remove.
4680         (ssa_name_map_entry_hash): Remove.
4681         (ssa_name_map_entry_eq): Remove.
4682         (allocate_ssa_names): Remove.
4683         (rewrite_to_new_ssa_names_def): Remove.
4684         (rewrite_to_new_ssa_names_use): Remove.
4685         (rewrite_to_new_ssa_names_bb): Remove.
4686         (rewrite_to_new_ssa_names): Remove.
4687         (tree_duplicate_sese_region): Remove variables ver,
4688         definitions, phi, ssa_name_map and bi.
4689         Call need_ssa_update_p instead of any_marked_for_rewrite_p.
4690         Call update_ssa.
4691         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
4692         update_ssa instead of rewrite_ssa_into_ssa.
4693         * tree-ssa-loop-manip.c (add_exit_phis_edge): Call
4694         create_new_def_for.
4695         (find_uses_to_rename_use): Add argument 'need_phis'.
4696         (find_uses_to_rename_stmt): Do not scan virtual operands.
4697         (find_uses_to_rename): Only scan PHI nodes for
4698         non-virtual names.
4699         (rewrite_into_loop_closed_ssa): Call update_ssa.
4700         (check_loop_closed_ssa_use): Ignore virtual operands.
4701         (check_loop_closed_ssa_stmt): Likewise.
4702         (verify_loop_closed_ssa): Do nothing if CURRENT_LOOPS is
4703         NULL.
4704         (rename_variables, set_phi_def_stmts): Remove.
4705         (tree_duplicate_loop_to_header_edge): Reformat comment.
4706         Remove variables BB, I and DEFINITIONS.
4707         Call need_ssa_update_p.
4708         Call update_ssa.
4709         (lv_adjust_loop_header_phi): Reformat comment.
4710         * tree-ssanames.c (ssa_names_to_rewrite): Remove.
4711         (marked_for_rewrite_p, any_marked_for_rewrite_p,
4712         mark_for_rewrite, unmark_all_for_rewrite,
4713         marked_ssa_names): Remove.  Update all users.
4714         (release_ssa_name): If VAR has been registered for SSA
4715         updating, do nothing.
4716         * tree-vrp.c (new_ssa_names, old_ssa_names): Remove.
4717         (build_assert_expr_for): Call register_new_name_mapping.
4718         (insert_range_assertions): Update call to update_ssa.
4719         * tree.h (mark_for_rewrite, unmark_all_for_rewrite,
4720         marked_for_rewrite_p, any_marked_for_rewrite_p,
4721         marked_ssa_names): Remove.
4722
4723 2005-04-22  Jeff Law  <law@redhat.com>
4724
4725         * tree-ssa-dom.c (block_defs_stack): Remove, no longer needed.
4726         (restore_currdefs_to_original_value): Likewise.
4727         (register_definitions_for_stmt): Likewise.
4728         (tree_ssa_dominator_optimize): No longer initialize CURRENT_DEF
4729         for each variable.  Do not allocate/free block_defs_stack either.
4730         Do not iterate if we just thread jumps.  Only iterate if the
4731         tree_cleanup_cfg does useful work (temporary).
4732         (dom_opt_initialize_block): No longer push a marker on
4733         BLOCK_DEFS_STACK.
4734         (dom_opt_finalize_block): Removal call to restore currdefs.
4735         Relax restrictions for recording edge equivalences.
4736         (record_equivalences_from_phis): No longer need to track
4737         CURRENT_DEF.
4738         (optimize_stmt): Similarly.
4739         (thread_across_edge): Simplify by removing the requirement that
4740         statements in the block we are threading through must be nops.
4741         (initialize_hash_element): Handle GOTO_EXPR.
4742
4743 2005-04-22  David S. Miller  <davem@davemloft.net>
4744
4745         * sched-vis.c (print_value): Use CONST_DOUBLE_LOW and
4746         CONST_DOUBLE_HIGH.
4747         * config/sparc/sparc.c (sparc_rtx_costs): Likewise, and
4748         fix check on CONST_DOUBLE mode.  It should be VOIDmode
4749         when it is representing an integer.
4750
4751 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
4752
4753         * builtins.c (gimplify_va_arg_expr): Reword comments to avoid
4754         'abort'. Use gcc_assert and gcc_unreachable as appropriate.
4755         * c-format.c (get_constant, decode_format_attr, get_flag_spec,
4756         find_char_info_specifier_index,
4757         find_length_info_modifier_index): Likewise.
4758         * c-typeck.c (composite_type, pop_init_level): Likewise.
4759         * combine.c (cant_combine_insn_p, try_combine): Likewise.
4760         * cse.c (cse_insn): Likewise
4761         * dominance.c (calc_dfs_tree): Likewise
4762         dwarf2out.c (loc_descriptor_from_tree_1,
4763         add_abstract_origin_attribute, force_decl_die,
4764         force_type_die): Likewise
4765         emit-rtl.c (operand_subword_force): Likewise
4766         explow.c (hard_function_value): Likewise
4767         expmed.c (store_bit_field, expand_divmod,
4768         emit_store_flag_force): Likewise
4769         expr.c (emit_move_multi_word, store_expr,
4770         expand_expr_real_1): Likewise
4771         final.c (this_is_asm_operands, shorten_branches, final_scan_insn,
4772         output_operand): Likewise
4773         flow.c (recompute_reg_usage): Likewise
4774         * function.c (assign_stack_temp_for_type, assign_temp,
4775         handle_epilogue_set): Likewise
4776         * genextract.c (main): Likewise
4777         * gimplify.c (mostly_copy_tree_r, gimplify_return_expr,
4778         gimplify_modify_expr_rhs, gimplify_expr): Likewise
4779         * haifa-sched.c (ready_lastpos, ready_remove_first, ready_element,
4780         ready_remove, rm_line_notes, rm_other_notes,
4781         schedule_block): Likewise
4782         mips-tfile.c (copy_object, out_of_bounds): Likewise
4783
4784 2005-04-22 David Edelsohn  <edelsohn@gnu.org>
4785
4786         PR target/20813
4787         * config/rs6000/default64.h (TARGET_DEFAULT): Add MASK_PPC_GFXOPT.
4788         * config/rs6000/rs6000.c (processor_target_table): Rename rs64a to
4789         rs64.  Add MASK_PPC_GFXOPT to powerpc64 and rs64.
4790         (rs6000_init_libfuncs): Set TFmode optabs to xlq names if
4791         TARGET_XL_COMPAT.
4792         * doc/invoke.texi (PowerPC options): Change rs64a to rs64.
4793
4794 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
4795
4796         * lambda-code.c: Define VEC(int,heap), VEC(lambda_loop,heap).
4797         (gcc_tree_to_linear_expression): Convert to heap allocated
4798         vectors.
4799         (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
4800         lbv_to_gcc_expression, lle_to_gcc_expression,
4801         lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest,
4802         perfect_nestify): Likewise.
4803         lambda.h (gcc_loopnest_to_lambda_loopnest,
4804         lambda_loopnest_to_gcc_loopnest): Likewise.
4805         tree-loop-linear.c (linear_transform_loops): Likewise.
4806
4807 2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
4808
4809         * config/sparc/predicates.md (arith_double_operand): Use
4810         trunc_int_for_mode if HOST_BITS_PER_WIDE_INT >=64.
4811         * config/sparc/sparc.md (movqi, movhi, movsi, movqi): Use gen_int_mode.
4812         (DImode, DFmode constant splitters): Likewise.  Remove code for
4813         TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT < 64.
4814         (logical constant splitters): Use const_int_operand predicate.
4815         (lshrsi3_extend): Remove code for TARGET_ARCH64 &&
4816         HOST_BITS_PER_WIDE_INT < 64.
4817
4818 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
4819
4820         * config/pa/pa.c (legitimize_pic_address): Use gcc_assert and
4821         gcc_unreachable as appropriate.
4822         (force_mode, emit_move_sequence, singlemove_string,
4823         output_move_double, output_fp_move_double, find_addr_reg,
4824         output_block_move, output_block_clear, output_and,
4825         output_64bit_and, output_ior, output_64bit_ior, store_reg_modify,
4826         pa_adjust_cost, pa_issue_rate, print_operand,
4827         output_global_address, output_arg_descriptor, output_cbranch,
4828         output_lbranch, output_bb, output_bvb, output_dbra, output_movb,
4829         output_call): Likewise.
4830         * config/pa/pa.md (call, call_value, sibcall, sibcall_value,
4831         prefetch, prefetch_cc, prefetch_nocc): Likewise.
4832
4833 2005-04-22  Zdenek Dvorak  <dvorakz@suse.cz>
4834
4835         * Makefile.in (LIBGCOV): Add _gcov_interval_profiler,
4836         _gcov_pow2_profiler and _gcov_one_value_profiler.
4837         (tree-profile.o): Add GGC_H and gt-tree-profile.h dependency.
4838         (GTFILES): Add $(srcdir)/tree-profile.c.
4839         * gcov-io.h (__gcov_interval_profiler, __gcov_pow2_profiler,
4840         __gcov_one_value_profiler): Declare.
4841         * gimplify.c (force_gimple_operand): Check whether the statements
4842         should be produced in ssa form.
4843         (force_gimple_operand_bsi): New function.
4844         * libgcov.c (__gcov_interval_profiler, __gcov_pow2_profiler,
4845         __gcov_one_value_profiler): New functions.
4846         * rtl-profile.c (rtl_gen_pow2_profiler): Only measure whether
4847         the profiled value is a power of two or not.
4848         * tree-cfg.c (tree_block_ends_with_condjump_p): Handle empty blocks.
4849         * tree-flow.h (in_ssa_p): Declare.
4850         (force_gimple_operand_bsi): Declare.
4851         * tree-into-ssa.c (in_ssa_p): New variable.
4852         (rewrite_into_ssa): Set in_ssa_p.
4853         * tree-outof-ssa.c (rewrite_out_of_ssa): Set in_ssa_p.
4854         * tree-profile.c: Include ggc.h and gt-tree-profile.h.
4855         (gcov_type_node, tree_interval_profiler_fn, tree_pow2_profiler_fn,
4856         tree_one_value_profiler_fn): New variables.
4857         (tree_init_edge_profiler): Initialize the profiler function decls.
4858         (tree_gen_edge_profiler): Use global gcov_type_node.
4859         (prepare_instrumented_value): New function.
4860         (tree_gen_interval_profiler, tree_gen_interval_profiler,
4861         tree_gen_one_value_profiler): Call the library functions instead of
4862         creating instrumentation code.
4863         * tree.c (build_fn_decl): New function.
4864         * tree.h (build_fn_decl): Declare.
4865         * value-prof.c (rtl_divmod_values_to_profile,
4866         rtl_find_values_to_profile, rtl_mod_pow2_value_transform,
4867         tree_mod_pow2_value_transform, tree_find_values_to_profile):
4868         Do not handle may_be_other and precise values of exponents at pow2
4869         profiler.
4870         (tree_mod_subtract_transform): Reflect that value field of
4871         histogram has changed meaning.
4872         (tree_divmod_values_to_profile): Record the values correctly.
4873         (tree_values_to_profile): Update comment.
4874         * value-prof.h (struct histogram_value_t): Remove pow2 data.
4875
4876 2005-04-22  Joseph S. Myers  <joseph@codesourcery.com>
4877
4878         * varasm.c (do_assemble_alias): Return early if TREE_ASM_WRITTEN
4879         (decl).
4880
4881 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
4882
4883         * config/i386/i386.md (length_immediate): Use gcc_assert or
4884         gcc_unreachable, as appropriate.
4885         (*movsi_1, *movqi_1, reload_outqi, *movdi_1_rex64, *pushsf,
4886         *pushsf_rex64, *truncxfsf2_mixed, *truncxfsf2_i387,
4887         *truncxfdf2_mixed, *truncxfdf2_i387, *adddi_1_rex64,
4888         *adddi_2_rex64, *adddi_3_rex64, *adddi_4_rex64, *adddi_5_rex64,
4889         *addsi_1, addsi_1_zext, *addsi_2, *addsi_2_zext, *addsi_3,
4890         *addsi_3_zext, *addsi_4, *addsi_5, *addhi_1_lea, *addhi_1,
4891         *addhi_2, *addhi_3, *addhi_4, *addhi_5, *addqi_1_lea, *addqi_1,
4892         *addqi_1_slp, *addqi_2, *addqi_3, *addqi_4, *addqi_5, addqi_ext_1,
4893         *addqi_ext_1_rex64, *anddi_1_rex64, *andsi_1, *andhi_1,
4894         *ashldi3_1_rex64, *ashldi3_cmp_rex64, *ashlsi3_1, *ashlsi3_1_zext,
4895         *ashlsi3_cmp, *ashlsi3_cmp_zext, *ashlhi3_1_lea, *ashlhi3_1,
4896         *ashlhi3_cmp, *ashlqi3_1_lea, *ashlqi3_1, *ashlqi3_cmp,
4897         pro_epilogue_adjust_stack_1, pro_epilogue_adjust_stack_rex64,
4898         pro_epilogue_adjust_stack_rex64_2, prefetch, *prefetch_sse,
4899         *prefetch_sse_rex): Likewise.
4900         * config/i386/predicates.md (x86_64_immediate_operand,
4901         x86_64_zext_immediate_operand, symbolic_operand,
4902         no_seg_address_operand, aligned_operand,
4903         memory_displacement_operand): Likewise.
4904         * config/i386/sse.md (*mov<mode>_internal,
4905         *movv2df_internal): Likewise.
4906
4907 2005-04-22  Jan Hubicka  <jh@suse.cz>
4908
4909         * Makefile.in (ipa.o, ipa-inline.o): New files.
4910         * cgraph.h (cgraph_remove_unreachable_nodes, cgraph_postorder,
4911         cgraph_decide_inlining_incrementally, cgraph_clone_inlined_nodes,
4912         cgraph_mark_inline_edge, cgraph_default_inline_p): Declare.
4913         * cgraphunit.c (cgraph_default_inline_p,
4914         cgraph_decide_inlining_incrementally,  ncalls_inlined,
4915         nfunctions_inlined, initial_insns, overall_insns,
4916         cgraph_estimate_size_after_inlining, cgraph_estimate_growth,
4917         cgraph_clone_inlined_nodes, cgraph_mark_inline_edge,
4918         cgraph_mark_inline, cgraph_check_inline_limits,
4919         cgraph_default_inline_p, cgraph_recursive_inlining_p,
4920         update_callee_keys, lookup_recursive_calls,
4921         cgraph_decide_recursive_inlining, cgraph_set_inline_failed,
4922         cgraph_decide_inlining_of_small_functions, cgraph_decide_inlining,
4923         cgraph_decide_inlining_incrementally, cgraph_gate_inlining,
4924         pass_ipa_inline): Move to ipa-inline.c
4925         (cgraph_postorder, cgraph_remove_unreachable_nodes): Move to ipa.c
4926         * ipa.c: New file.
4927         * ipa-inline.c: New file.
4928
4929 2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
4930
4931         * doc/invoke.texi (SPARC options): Document that -mapp-regs
4932         is turned off by default on Solaris.
4933
4934 2005-04-21  Roger Sayle  <roger@eyesopen.com>
4935
4936         * c-common.h (objc_build_method_signature): Update prototype.
4937         * stub-objc.c (objc_build_method_signature): Update the stub
4938         implementation to accept and ignore additional parameter.
4939         * c-parser.c (c_parser_objc_method_decl): Reorgnize to pass
4940         the value of ellipsis to objc_build_method_signature instead
4941         of setting TREE_OVERFLOW on the parms TREE_LIST node.
4942
4943 2005-04-21  Geoffrey Keating  <geoffk@apple.com>
4944
4945         * config/rs6000/rs6000-protos.h (rs6000_emit_sync): New.
4946         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Use
4947         gen_rtx_* not gen_rtx_fmt_*.
4948         (rs6000_emit_vector_select): Likewise.
4949         (rs6000_emit_sync): New.
4950         * config/rs6000/rs6000.md (GPR, INT, INT1): New mode macros.
4951         (larx, stcx, cmp): New mode substitutions.
4952         (UNSPEC_SYNC, UNSPEC_SYNC_OP, UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC,
4953         UNSPEC_ISYNC): New constants.
4954         (rlwinm): Give name.
4955         (memory_barrier, isync, lwsync): New insns.
4956         (sync_compare_and_swap<mode>, sync_lock_test_and_set<mode>): New insn.
4957         (sync_lock_release<mode>): New expander.
4958         (sync_add<mode>, sync_sub<mode>, sync_ior<mode>, sync_and<mode>,
4959         sync_xor<mode>, sync_nand<mode>, sync_old_add<mode>,
4960         sync_old_sub<mode>, sync_old_ior<mode>, sync_old_and<mode>,
4961         sync_old_xor<mode>, sync_old_nand<mode>, sync_new_add<mode>,
4962         sync_new_sub<mode>, sync_new_ior<mode>, sync_new_and<mode>,
4963         sync_new_xor<mode>, sync_new_nand<mode>): New expanders.
4964         (sync_add<mode>_internal, sync_addshort_internal,
4965         sync_sub<mode>_internal, sync_andsi_internal, sync_anddi_internal,
4966         sync_boolsi_internal, sync_booldi_internal, sync_boolc<mode>_internal,
4967         sync_boolc<mode>_internal2, sync_boolcc<mode>_internal): New insns.
4968
4969         * doc/md.texi (Standard Names): sync_compare_and_swap's operand 0
4970         is the memory before, not after, the operation.  Clarify
4971         barrier requirements.
4972
4973 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
4974
4975         * cfghooks.h (struct cfg_hooks): Reword comments to avoid 'abort'.
4976         * lambda.h (lambda_vector_min_nz): Likewise.
4977         * langhooks.h (struct lang_hooks_for_types,
4978         struct lang_hooks): Likewise.
4979         * output.h (assemble_integer, this_is_asm_operands): Likewise.
4980         * tree.h: Likewise.
4981         * vec.h: Likewise.
4982         * tree-flow-inline.h (relink_imm_use): Use gcc_assert.
4983
4984         * optabs.c (prepare_cmp_insn, emit_cmp_and_jump_insns): Reword
4985         comments to avoid 'abort'.  Use gcc_assert as necessary.
4986         * opts.c (common_handle_option): Likewise.
4987         * pretty-print.c (pp_base_format_text): Likewise.
4988         * print-rtl.c (print_rtx): Likewise.
4989         * read-rtl.c (read_rtx_filename, read_rtx_1): Likewise.
4990         * regmove.c (try_auto_increment): Likewise.
4991         * reload.c (find_valid_class, find_reloads_toplev,
4992         find_equiv_reg): Likewise.
4993         * reload1.c (reload, forget_old_reloads_1, function_invariant_p,
4994         merge_assigned_reloads): Likewise.
4995         * tree-inline.c (inline_forbidden_p_1,
4996         estimate_num_insns_1): Likewise.
4997         * tree-optimize.c (execute_todo): Likewise.
4998         * tree-outof-ssa.c (eliminate_phi): Likewise.
4999         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
5000         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Likewise.
5001         * tree-ssa-operands.c (parse_ssa_operands,
5002         get_indirect_ref_operands, create_ssa_artficial_load_stmt): Likewise.
5003         * tree-ssa-pre.c (find_or_generate_expression): Likewise.
5004         * tree-ssanames.c (release_ssa_name): Likewise.
5005         * tree.c (int_bit_position, int_byte_position, tree_low_cst,
5006         walk_tree): Likewise.
5007
5008         * tree-ssa-operands.c (verify_abort): Fold into ..
5009         (verify_imm_links): ... here.
5010
5011 2005-04-21  Richard Henderson  <rth@redhat.com>
5012
5013         * config/alpha/sync.md (sync_new_nand<I48MODE>): Fix constraints
5014         on non-memory operand for previous inversion.
5015
5016 2005-04-21  Devang Patel  <dpatel@apple.com>
5017
5018         PR optimization/20994
5019         * tree-if-conv.c (find_phi_replacement_condition): Avoid generating
5020         x = !(a == b) : p , q;.
5021         (pass_if_conversion): Verify stmts and flow.
5022
5023 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
5024
5025         * optabs.c (gen_conditional_trap): Restore #define.
5026
5027         * alias.c (true_dependence): Remove 'abort' from comments. Use
5028         gcc_assert and gcc_unreachable as appropriate.
5029         (canon_true_dependence): Likewise.
5030         * bb-reorder.c (connect_traces): Likewise.
5031         * c-common.c (c_add_case_label): Likewise.
5032         * c-decl.c (finish_function): Likewise.
5033         * caller-save.c (insert_restore, insert_save): Likewise.
5034         * cfg.c (update_bb_profile_for_threading): Likewise.
5035         * cfganal.c (flow_active_insn_p): Likewise.
5036         * cfgexpand.c (add_reg_br_prob_note): Likewise.
5037         * cfgrtl.c (rtl_redirect_edge_and_branch_force, rtl_split_edge,
5038         cfg_layout_merge_blocks): Likewise.
5039         * ifcvt.c (cond_exec_process_insns, merge_if_block,
5040         find_if_block): Likewise.
5041         * integrate.c (allocate_initial_values): Likewise.
5042         * jump.c (reverse_condition, reverse_condition_maybe_unordered,
5043         swap_condition, unsigned_condition, signed_condition,
5044         mark_jump_label, invert_jump_1, rtx_renumbered_equal_p,
5045         reg_or_subregno): Likewise.
5046         * lambda-code.c (lambda_compute_auxillary_space,
5047         lambda_transform_legal_p): Likewise.
5048         * lambda-mat.c (lambda_matrix_inverse_hard): Likewise.
5049         * langhooks.c (lhd_set_decl_assembler_name, lhd_type_promotes_to,
5050         lhd_incomplete_type_error, lhd_expand_expr,
5051         lhd_types_compatible_p, lhd_tree_size): Likewise.
5052         * lcm.c (create_pre_exit, optimize_mode_switching): Likewise.
5053         * local-alloc.c (update_equiv_regs): Likewise.
5054         * loop-unroll.c (peel_loop_completely
5055         unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
5056         peel_loop_simple, unroll_loop_stupid,
5057         analyze_iv_to_split_insn): Likewise.
5058         * loop.c (gen_prefetch, find_and_verify_loops,
5059         basic_induction_var): Likewise.
5060         * modulo-sched.c (normalize_sched_times, check_nodes_order): Likewise.
5061         * value-prof.c (tree_find_values_to_profile): Likewise.
5062         * varasm.c (named_section, default_assemble_integer,
5063         decode_addr_const): Likewise.
5064
5065 2005-04-21 Alan Modra  <amodra@bigpond.net.au>
5066            Fariborz Jahanian <fjahanian@apple.com>
5067
5068         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Fix size of
5069         portion of argument passed in fpr.
5070         * expr.c (emit_push_insn): Fix computation of 'offset' used to
5071         decide on partial argument save on stack.
5072
5073 2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
5074
5075         * config/sparc/predicates.md, config/sparc/sparc.md: Fix
5076         comment typos.
5077
5078 2005-04-21  Jan Hubicka  <jh@suse.cz>
5079
5080         * cgraphunit.c: Include tree-pass.h
5081         (cgraph_decide_recursive_inlining,
5082         cgraph_decide_inlining_of_small_function, cgraph_set_inline_failed,
5083         cgraph_decide_inlining): Dump goes to dump_file.
5084         (cgraph_optimize): Call ipa passes instead of inliner.
5085         (cgraph_gate_inlining, pass_ipa_inline): New.
5086         * tree-optimize.c (all_ipa_passes): New static variable.
5087         (register_one_dump_file): Dead with IPA passes.
5088         (register_dump_files): Likewise.
5089         (init_tree_optimization_passes): Initialize IPA passes.
5090         (execute_todo): Do cgraph dump when asked to, do not dump function body
5091         for IPA pass.
5092         * tree-pass.h (TODO_dump_cgraph): New macro.
5093         (ipa_passes): Declare.
5094         * Makefile.in (cgraphunit.o): Add dependency on cgraphunit.h
5095
5096 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
5097
5098         * config/i386/i386.c (type_natural_mode): Use gcc_unreachable and
5099         gcc_assert instead of abort.
5100         (classify_argument, examine_argument, construct_container,
5101         contains_128bit_aligned_vector_p, ix86_check_movabs,
5102         standard_80387_constant_opcode, standard_80387_constant_rtx,
5103         ix86_initial_elimination_offset, ix86_compute_frame_layout,
5104         pro_epilogue_adjust_stack, ix86_expand_epilogue,
5105         ix86_address_cost, legitimate_address_p, legitimize_pic_address,
5106         legitimize_tls_address, output_pic_addr_const,
5107         i386_output_dwarf_dtprel, put_condition_code, print_reg,
5108         get_some_local_dynamic_name, print_operand, print_operand_address,
5109         output_387_binary_op, emit_i387_cw_initialization,
5110         output_fix_trunc, output_fp_compare, ix86_output_addr_vec_elt,
5111         ix86_expand_clear, ix86_expand_binary_operator,
5112         ix86_expand_unary_operator, ix86_match_ccmode, ix86_cc_mode,
5113         ix86_cc_modes_compatible, ix86_fp_comparison_codes,
5114         ix86_fp_comparison_arithmetics_cost, ix86_expand_fp_compare,
5115         ix86_expand_branch, ix86_expand_setcc,
5116         ix86_expand_carry_flag_compare, ix86_expand_fp_movcc,
5117         ix86_expand_int_addcc, ix86_split_to_parts, ix86_split_long_move,
5118         ix86_expand_movmem, ix86_expand_call, assign_386_stack_local,
5119         memory_address_length, ix86_attr_length_immediate_default,
5120         ix86_attr_length_address_default, ix86_agi_dependant,
5121         x86_initialize_trampoline, ix86_init_mmx_sse_builtins,
5122         ix86_expand_binop_builtin, ix86_force_to_memory,
5123         ix86_secondary_memory_needed, ix86_avoid_jump_misspredicts,
5124         x86_emit_floatuns): Likewise.
5125         * config/i386/netware.c (gen_regparm_prefix,
5126         i386_nlm_strip_name_encoding): Likewise.
5127         * config/i386/winnt.c (i386_pe_mark_dllexport): Likewise.
5128
5129 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
5130
5131         * optabs.c (gen_condiational_trap): Remove #define.
5132         (add_equal_note): Assertify. Remove explicit indirection from
5133         call via function pointer.
5134         (expand_ternary_op, expand_simple_binop, expand_binop,
5135         expand_twoval_unop, expand_twoval_binop,
5136         expand_twoval_binop_libfunc, expand_simple_unop expand_unop,
5137         emit_unop_insn,  emit_no_conflict_block,  prepare_cmp_insn,
5138         prepare_operand emit_cmp_and_jump_insn_1, emit_cmp_and_jump_insns,
5139         prepare_float_lib_cmp, emit_conditional_move,
5140         emit_conditional_add, gen_add2_insn, gen_add3_insn,
5141         have_add2_insn, gen_sub2_insn, gen_sub3_insn, have_sub2_insn,
5142         expand_float, expand_fix, debug_optab_libfuncs, gen_cond_trap,
5143         vector_compare_rtx, expand_vec_cond_expr): Likewise.
5144
5145 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
5146
5147         * vec.h: Update API to separate allocation mechanism from type.
5148         (VEC_safe_grow): New.
5149         * vec.c (calculate_allocation): New.
5150         (vec_gc_o_reserve, vec_heap_o_reserve): Adjust.
5151         (vec_gc_free, vec_heap_free): Remove.
5152         * gengtype-lex.l (DEF_VEC_): Process mult-argument macros.  Adjust.
5153         (VEC): Likewise.
5154         (mangle_macro_name): New.
5155         (struct macro_def): New.
5156         (struct macro): Add multiple argument values.
5157         (macro_expans_end): New.
5158         (push_macro_expansion):  Chain on new macro. Process multiple
5159         args, create follow on expansion. Return follow on argument.
5160         (macro_input): Deal with multiple arguments.
5161
5162         * tree.h: Define VEC(tree,heap) and VEC(tree,gc).
5163         (struct tree_binfo): Adjust.
5164         * basic-block.h: Define VEC(edge,gc).
5165         (struct edge_def): Adjust.
5166         (struct basic_block_def, struct edge_iterator): Likewise.
5167         (ei_container, ei_start_1, ei_last_1): Likewise.
5168         * cfg.c (connect_src, connect_dest): Likewise.
5169         * cfgrtl.c (force_nonfallthru_and_redirect)
5170         * dbxout.c (dbxout_type)
5171         * dwarf2out.c (gen_member_die)
5172         * lambda-code.c: Define VEC(int,gc), VEC(lambda_loop,gc).
5173         (gcc_tree_to_linear_expression): Adjust.
5174         (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
5175         lbv_to_gcc_expression, lle_to_gcc_expression,
5176         lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest,
5177         perfect_nestify): Likewise.
5178         * lambda.h (gcc_loopnest_to_lambda_loopnest,
5179         lambda_loopnest_to_gcc_loopnest): Adjust prototypes.
5180         * profile.c (instrument_values): Adjust.
5181         * tree-cfg.c (modified_noreturn_calls): Adjust.
5182         (remove_fallthru_edge): Likewise.
5183         * tree-dump.c (dequeue_and_dump): Adjust.
5184         * tree-flow-inline.h (mark_stmt_modified): Adjust.
5185         * tree-flow.h (modified_noreturn_calls): Adjust.
5186         (tree_on_heap): Remove. (yay!)
5187         (register_new_def): Adjust.
5188         * tree-into-ssa.c: Define VEC(int,heap).
5189         (block_defs_stack): Adjust.
5190         (find_idf, insert_phi_nodes, register_new_def,
5191         rewrite_initialize_block, rewrite_finalize_block,
5192         register_new_update_single, rewrite_update_init_block,
5193         rewrite_update_fini_block, rewrite_blocks,
5194         ssa_rewrite_finalize_block, ssa_register_new_def,
5195         ssa_rewrite_initialize_block, rewrite_ssa_into_ssa): Likewise.
5196         * tree-loop-linear.c (linear_transform_loops): Adjust.
5197         * tree-ssa-alias.c: Define VEC(fieldoff_t,heap).
5198         (push_fields_onto_fieldstack, create_overlap_variables_for): Adjust.
5199         * tree-ssa-dom.c (avail_exprs_stack, block_defs_stack,
5200         stmts_to_rescan, const_and_copies_stack, nonzero_vars_stack,
5201         vrp_variables_stack): Adjust declarations.
5202         (tree_ssa_dominator_optimize): Adjust.
5203         (dom_opt_initialize_block, remove_local_expressions_from_table,
5204         restore_nonzero_vars_to_original_value,
5205         restore_vars_to_original_value,
5206         restore_currdefs_to_original_value, dom_opt_finalize_block,
5207         record_var_is_nonzero, record_cond, record_const_or_copy_1,
5208         optimize_stmt, update_rhs_and_lookup_avail_expr,
5209         lookup_avail_expr, record_range): Likewise.
5210         * tree-ssa-pre.c: Define VEC(basic_block,heap).
5211         (compute_antic_aux): Adjust.
5212         (inserted_exprs, create_expression_by_pieces,
5213         insert_into_preds_of_block, eliminate, mark_operand_necessary,
5214         remove_dead_inserted_code, fini_pre): Likewise.
5215         * tree-ssa-propagate.c (interesting_ssa_edges): Adjust.
5216         (varying_ssa_edges, add_ssa_edge, process_ssa_edge_worklist.
5217         ssa_prop_init): Likewise.
5218         * tree-ssa.c: Define VEC(bitmap,heap).
5219         (verify_name_tags): Adjust.
5220         * value-prof.c (rtl_divmod_values_to_profile): Adjust.
5221         (insn_prefetch_values_to_profile, rtl_find_values_to_profile,
5222         tree_divmod_values_to_profile, tree_find_values_to_profile,
5223         value_profile_transformations): Likewise.
5224         * value-prof.h: Define VEC(histogram_value,heap).
5225         * varasm.c: Remove alias_pair pointer typedef, define
5226         VEC(alias_pair,gc).
5227         (finish_aliases_1, finish_aliases_2, assemble_alias): Adjust.
5228
5229         * config/pa/pa.c (typedef extern_symbol): Typedef the structure,
5230         not a pointer to it.  Create an object vector.
5231         (extern_symbols): Turn into an object vector.
5232         (pa_hpux_asm_output_external, pa_hpux_file_end): Adjust.
5233
5234 2005-04-21  Sebastian Pop  <pop@cri.ensmp.fr>
5235
5236         PR/20742
5237         * Makefile.in (tree-chrec.o): Depend on params.h.
5238         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): New parameter with
5239         default value 20.
5240         * tree-chrec.c: Depend on params.h.  Replace build with buildN,
5241         and fold build with fold_buildN.
5242         (chrec_fold_plus_1): Fail with a chrec_don_know when the size of
5243         the expression exceeds PARAM_SCEV_MAX_EXPR_SIZE.
5244         (tree_contains_chrecs): Compute an estimation of the size of the
5245         given expression.
5246         * tree-chrec.h (tree_contains_chrecs): Modify its declaration.
5247         (tree_does_not_contain_chrecs): Update the use of tree_contains_chrecs.
5248         * tree-scalar-evolution.c (simple_iv): Ditto.
5249         * doc/invoke.texi (scev-max-expr-size): Documented.
5250
5251 2005-04-21  Richard Sandiford  <rsandifo@redhat.com>
5252
5253         * config.gcc (*-*-darwin*): Add darwin.opt to $extra_options.
5254         (i[34567]86-pc-msdosdjgpp*): Likewise i386/djgpp.opt.
5255         (i[34567]86-*-lynxos*, powerpc-*-lynxos*): Likewise lynx.opt.
5256         (i[34567]86-*-sco3.2v5*): Likewise i386/sco5.opt.
5257         (i[34567]86-*-pe, i[34567]86-*-cygwin*, i[34567]86-*-mingw32*)
5258         (i[34567]86-*-uwin*): Likewise i386/cygming.opt.
5259         * config/darwin.h (darwin_one_byte_bool, darwin_fix_and_continue)
5260         (darwin_fix_and_continue_switch, SUBTARGET_OPTIONS): Delete.
5261         * config/darwin.c (darwin_one_byte_bool, darwin_fix_and_continue)
5262         (darwin_fix_and_continue_switch): Delete.
5263         * config/lynx.h (SUBTARGET_OS_LYNX_SWITCHES): Delete.
5264         (SUBTARGET_SWITCHES): Delete.
5265         * config/i386/i386.h (target_flags, MASK_80387, MASK_RTD)
5266         (MASK_ALIGN_DOUBLE, MASK_SVR3_SHLIB, MASK_IEEE_FP, MASK_FLOAT_RETURNS)
5267         (MASK_NO_FANCY_MATH_387, MASK_OMIT_LEAF_FRAME_POINTER)
5268         (MASK_STACK_PROBE, MASK_NO_ALIGN_STROPS, MASK_INLINE_ALL_STROPS)
5269         (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS, MASK_MMX)
5270         (MASK_SSE, MASK_SSE2, MASK_SSE3, MASK_3DNOW, MASK_3DNOW_A)
5271         (MASK_128BIT_LONG_DOUBLE, MASK_64BIT, MASK_MS_BITFIELD_LAYOUT)
5272         (MASK_TLS_DIRECT_SEG_REFS, MASK_NO_RED_ZONE, TARGET_80387)
5273         (TARGET_RTD, TARGET_ALIGN_DOUBLE, TARGET_PUSH_ARGS)
5274         (TARGET_ACCUMULATE_OUTGOING_ARGS, TARGET_SVR3_SHLIB, TARGET_IEEE_FP)
5275         (TARGET_128BIT_LONG_DOUBLE, TARGET_NO_FANCY_MATH_387)
5276         (TARGET_USE_FANCY_MATH_387, TARGET_OMIT_LEAF_FRAME_POINTER)
5277         (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Delete.
5278         (TARGET_FLOAT_RETURNS_IN_80387): Make an alias of TARGET_FLOAT_RETURNS.
5279         (TARGET_64BIT): Undef before redefining.
5280         (TARGET_TLS_DIRECT_SEG_REFS, TARGET_STACK_PROBE)
5281         (TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS, TARGET_SSE)
5282         (TARGET_SSE2, TARGET_SSE3, TARGET_MMX, TARGET_3DNOW, TARGET_3DNOW_A)
5283         (TARGET_RED_ZONE, TARGET_USE_MS_BITFIELD_LAYOUT, TARGET_SWITCHES)
5284         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS)
5285         (ix86_fpmath_string, ix86_tls_dialect_string, ix86_cmodel_string)
5286         (ix86_asm_string, ix86_regparm, ix86_regparm_string)
5287         (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
5288         (ix86_debug_arg_string, ix86_debug_addr_string)
5289         (ix86_align_loops_string, ix86_align_jumps_string)
5290         (ix86_align_funcs_string): Delete.
5291         * config/i386/cygming.h (MASK_NOP_FUN_DLLIMPORT)
5292         (TARGET_NOP_FUN_DLLIMPORT, SUBTARGET_SWITCHES): Delete.
5293         * config/i386/djgpp.h (MASK_BNU210, SUBTARGET_SWITCHES): Delete.
5294         (SUBTARGET_OVERRIDE_OPTIONS): Check TARGET_BNU210.
5295         * config/i386/lynx.h (SUBTARGET_SWITCHES): Delete.
5296         * config/i386/sco5.h (MASK_COFF, TARGET_ELF)
5297         (SUBTARGET_SWITCHES): Delete.
5298         * config/i386/i386.c (ix86_debug_arg_string): Delete.
5299         (ix86_debug_addr_string): Delete.
5300         (ix86_cmodel_string, ix86_asm_string, ix86_tls_dialect_string)
5301         (ix86_fpmath_string, ix86_regparm_string, ix86_regparm)
5302         (ix86_align_loops_string, ix86_align_jumps_string)
5303         (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
5304         (ix86_align_funcs_string): Make static.
5305         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
5306         (ix86_handle_option): New function.
5307         (TARGET_USE_MS_BITFIELD_LAYOUT): Delete.
5308         (ix86_ms_bitfield_layout_p): Check TARGET_MS_BITFIELD_LAYOUT.
5309         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove handling
5310         of darwin_fix_and_continue_switch.
5311         (darwin_one_byte_bool): Delete.
5312         * config/rs6000/lynx.h (EXTRA_SUBTARGET_SWITCHES): Delete.
5313         * config/rs6000/rs6000.c (rs6000_override_options): Update assignment
5314         to darwin_one_byte_bool.
5315         * config/darwin.opt, config/lynx.opt, config/i386/cygming.opt,
5316         * config/i386/djgpp.opt, config/i386/i386.opt,
5317         * config/i386/sco5.opt: New files.
5318
5319 2005-04-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
5320
5321         * config/sparc/sparc.c (reg_or_0_operand, const1_operand,
5322         fp_zero_operand, fp_register_operand, intreg_operand,
5323         fcc_reg_operand, fcc0_reg_operand, icc_or_fcc_reg_operand,
5324         call_operand, call_operand_address, tgd_symbolic_operand,
5325         tld_symbolic_operand, tie_symbolic_operand, tle_symbolic_operand,
5326         symbolic_operand, symbolic_memory_operand, label_ref_operand,
5327         sp64_medium_pic_operand, data_segment_operand,
5328         text_segment_operand, splittable_symbolic_memory_operand,
5329         reg_or_nonsymb_mem_operand, splittable_immediate_memory_operand,
5330         eq_or_neq, normal_comp_operator, noov_compare_op,
5331         noov_compare64_op, v9_regcmp_op, extend_op, cc_arithop,
5332         cc_arithopn, arith_operand, arith_4096_operand, arith_add_operand,
5333         const64_operand, const64_high_operand, arith11_operand,
5334         arith10_operand, arith_double_operand, arith_double_4096_operand,
5335         arith_double_add_operand, arith11_double_operand,
5336         arith10_double_operand, small_int, small_int_or_double,
5337         uns_small_int, uns_arith_operand, clobbered_register,
5338         input_operand, compare_operand): Delete.
5339         (sparc_emit_set_const32): Use predicates in assertion.  Remove special
5340         code for TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT != 64.
5341         (sparc_emit_set_const64): Call gcc_unreachable if H_B_P_W_I == 32.
5342         (GEN_HIGHINT64, GEN_INT64): Delete.
5343         (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
5344         gen_safe_XOR64): Adjust for above deletion.
5345         (sparc_emit_set_const64): Support only H_B_P_W_I == 64 and CONST_INTs.
5346         Use 'unsigned HOST_WIDE_INT' instead of 'long' for bitmask.
5347         (legitimate_constant_p): Use const_zero_operand instead.
5348         (sparc_extra_constraint_check): Likewise.
5349         * config/sparc/sparc.h (CONST_DOUBLE_OK_FOR_LETTER_P): Remove 'O'.
5350         (PREFERRED_RELOAD_CLASS): Use const_zero_operand.
5351         (PREDICATE_CODES): Delete.
5352         * config/sparc/sparc.md: Include predicates.md.
5353         (All patterns): Adjust for new predicate names.
5354         (cmpdi, cmpdi_sp64): Use arith_operand predicate.
5355         (movhi_const64_special, movsi_const64_special): Add 'K' constraint.
5356         (movdi): Use general_operand predicate.
5357         (movdi_sp64_dbl): Delete.
5358         (movdi_const64_special): Add 'N' constraint.
5359         (movdicc): Use arith10_operand predicate.
5360         (movdi_cc_sp64, movdi_cc_sp64_trunc): Use arith11_operand predicate.
5361         (movdi_cc_reg_sp64): Use arith10_operand predicate.
5362         (movdi_cc_reg_sp64_trunc): Delete.
5363         (cmp_zero_extract, cmp_zero_extract_sp64): Use small_int_operand.
5364         (adddi3_sp64, cmp_ccx_plus, cmp_ccx_plus_set): Use arith_operand.
5365         (subdi3_sp32): Delete.
5366         (subdi3_insn_sp32): Change to define_insn_and_split.
5367         (subdi3_sp64, cmp_minus_ccx, cmp_minus_ccx_set): Use arith_operand.
5368         (muldi3, muldi3_sp64, muldi3_v8plus): Likewise.
5369         (smulsi3_highpart_v8plus, const_smulsi3_highpart_v8plus,
5370         umulsi3_highpart_v8plus, const_umulsi3_highpart_v8plus): Use
5371         small_int_operand predicate.
5372         (divdi3, udivdi3): Use arith_operand predicate.
5373         (udivsi3, udivsi3_sp32, udivsi3_sp64): Use nonimmediate_operand.
5374         (and<V64I>3_sp64, ior<V64I>3_sp64, xor<V64I:mode>3_sp64,
5375         xor_not_<V64I:mode>_sp64) : Use arith_operand predicate.
5376         (xordi3_sp64_dbl): Delete.
5377         (cmp_ccx_arith_op, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
5378         cmp_ccx_xor_not_set, cmp_ccx_arith_op_not, cmp_ccx_arith_op_not_set,
5379         cmp_ccx_neg, cmp_ccx_set_neg, one_cmpl<V64I>2_sp64, cmp_ccx_not,
5380         cmp_ccx_set_not): Use arith_operand predicate.
5381         (ashrsi3_extend2, lshrsi3_extend2 et al.): Use small_int_operand.
5382         * config/sparc/predicates.md: New file.
5383
5384 2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
5385
5386         PR tree-optimization/14846
5387         * fold-const.c (fold_single_bit_test_into_sign_test): New,
5388         split out from ...
5389         (fold_single_bit_test): ... here.
5390         (fold_binary): Call fold_single_bit_test_into_sign_test
5391         instead of fold_single_bit_test.
5392
5393 2005-04-20  James E Wilson  <wilson@specifixinc.com>
5394
5395         PR c++/20805
5396         * dwarf2out.c (gen_variable_die): Don't emit a specification if this
5397         is another declaration.
5398
5399 2005-04-21  Hans-Peter Nilsson  <hp@axis.com>
5400
5401         * config/cris/predicates.md: New file.
5402         * config/cris/cris-protos.h (cris_store_multiple_op_p)
5403         (cris_movem_load_rest_p): Declare.
5404         * config/cris/cris.c (cris_store_multiple_op): Return bool, not int.
5405         (cris_movem_load_rest_p): Ditto.  Globalize.
5406         (cris_bdap_operand, cris_bdap_biap_operand,
5407         cris_orthogonal_operator, cris_commutative_orth_op,
5408         cris_operand_extend_operator,
5409         cris_additive_operand_extend_operator, cris_extend_operator,
5410         cris_plus_or_bound_operator, cris_mem_op,
5411         cris_general_operand_or_symbol,
5412         cris_general_operand_or_gotless_symbol,
5413         cris_general_operand_or_plt_symbol, cris_mem_call_operand,
5414         cris_load_multiple_op): Remove predicate functions.
5415         (cris_symbol, cris_gotless_symbol) <case UNSPEC>: Return 0, don't
5416         abort, for UNSPECs other than CRIS_UNSPEC_PLT.
5417         * config/cris/cris.h (PREDICATE_CODES): Don't define.
5418         * config/cris/cris.md: Include predicates.md.
5419         ("call", "call_value"): Generate CONSTs of Pmode, not VOIDmode.
5420
5421 2005-04-20  Ian Lance Taylor  <ian@airs.com>
5422
5423         * c-common.def: Remove STMT_EXPR (moved to cp/cp-tree.def).
5424         * c-common.h (STMT_EXPR_STMT): Don't define.
5425         (STMT_EXPR_NO_SCOPE): Don't define.
5426         * c-dump.c (c_dump_tree): Don't handle STMT_EXPR.
5427         * c-pretty-print.c (pp_c_primary_expression): Likewise.
5428         (pp_c_expression): Likewise.
5429
5430 2005-04-20  Richard Henderson  <rth@redhat.com>
5431
5432         PR target/21100
5433         * config/i386/mmx.md (push<MMXMODE>1): Fix predicate thinko.
5434
5435 2005-04-20  Jeff Law  <law@redhat.com>
5436
5437         * reload1.c (reload): Ignore equivalences between pseudos and
5438         read only memory.
5439
5440 2005-04-20  Joseph S. Myers  <joseph@codesourcery.com>
5441
5442         PR c/12913
5443         * c-tree.h (struct c_label_list): Update comment.
5444         (struct c_label_context): Rename to struct c_label_context_se.
5445         (label_context_stack): Rename to label_context_stack_se.
5446         (C_DECL_UNJUMPABLE_VM, C_DECL_UNDEFINABLE_VM, struct
5447         c_label_context_vm, label_context_stack_vm, c_begin_vm_scope,
5448         c_end_vm_scope): New.
5449         (C_DECL_DECLARED_BUILTIN, C_DECL_USED): Use FUNCTION_DECL_CHECK.
5450         * c-decl.c (pop_scope): Call c_end_vm_scope.
5451         (pushdecl): Call c_begin_vm_scope for variably modified
5452         declarations.
5453         (define_label): Check for jumping into scope of identifier with
5454         variably modified type.  Push label on stack for those defined at
5455         current context of identifiers with variably modified type.
5456         (start_function): Create stack level for context of identifiers
5457         with variably modified type.
5458         (finish_function): Pop stack level for context of identifiers with
5459         variably modified type.
5460         * c-typeck.c (label_context_stack): Rename to
5461         label_context_stack_se.
5462         (label_context_stack_vm, c_begin_vm_scope, c_end_vm_scope): New.
5463         (c_finish_goto_label): Check for jumping into scope of identifier
5464         with variably modified type.  Push label on stack for those jumped
5465         to from current context of identifiers with variably modified
5466         type.
5467         (struct c_switch): Add blocked_vm.
5468         (c_start_case): Initialize blocked_vm.
5469         (do_case): Check blocked_vm.
5470         (c_finish_case): Add comment.
5471         (c_begin_stmt_expr, c_finish_stmt_expr): Update for renamed
5472         variable label_context_stack.
5473
5474 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
5475
5476         * tree-ssa-phiopt.c (tree_ssa_phi_opt): Update calls to
5477         conditional_replacement, value_replacement, abs_replacement,
5478         minmax_replacement.
5479         (replace_phi_edge_with_variable): Remove argument BB.
5480         (conditional_replacement, value_replacement,
5481         minmax_replacement, abs_replacement): Remove argument PHI_BB.
5482         Update a call to replace_phi_edge_with_variable.
5483
5484         * tree-ssa-phiopt.c: Fix comments.
5485
5486 2005-04-20  Michael Matz  <matz@suse.de>
5487
5488         PR20973
5489         * reload.c (push_reload, find_dummy_reload): Check for uninitialized
5490         pseudos.
5491
5492 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
5493
5494         * tree-ssa-phiopt.c: Fix comment typos.
5495
5496         PR tree-optimization/21116
5497         * tree-ssa-phiopt.c: Fix a typo.
5498
5499 2005-04-19  Richard Henderson  <rth@redhat.com>
5500
5501         * builtins.c (expand_builtin_sync_operation): Revert last change.
5502         * optabs.c (expand_bool_compare_and_swap): Compare vs old value,
5503         not vs new value.
5504         (expand_compare_and_swap_loop): Likewise.
5505         (expand_sync_operation): Remove fallback from NAND to AND; invert
5506         memory operand when expanding from cmpxchg.
5507         (expand_sync_fetch_operation): Likewise.
5508         * doc/extend.texi (Atomic Builtins): Fix docs for nand and
5509         compare-and-swap.
5510
5511         * config/alpha/alpha.c (alpha_split_atomic_op): Invert memory operand
5512         when implementing NAND.  Fix double-add for AFTER.
5513         * config/alpha/sync.md (sync_nand<I48MODE>): Invert memory operand.
5514         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
5515         (sync_compare_and_swap<I48MODE>): Fix compare vs zero.  Return old
5516         memory value.
5517         (sync_lock_test_and_set<I48MODE>): Remove extra label and last
5518         memory barrier.
5519
5520         * config/i386/sync.md (sync_compare_and_swap<IMODE>): Fix pattern
5521         to return old memory value.
5522         (sync_compare_and_swap_cc<IMODE>): Likewise.
5523
5524         * config/ia64/ia64.c (ia64_dependencies_evaluation_hook): Early
5525         return pre-reload.  Don't consider output or anti dependencies.
5526         * config/ia64/sync.md (IMODE): New.
5527         (modesuffix): Add QI and HI.
5528         (memory_barrier): Simplify expansion.
5529         (sync_compare_and_swap<IMODE>): Use IMODE, not I48MODE.
5530         (cmpxchg_acq_<IMODE>): Likewise.
5531         (sync_lock_test_and_set<IMODE>): Likewise.
5532         (sync_lock_release<IMODE>): Likewise.
5533
5534 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
5535
5536         * fold-const.c (fold_binary): Fold ~(X ^ Y) to ~X ^ Y or X ^ ~Y if
5537         ~X or ~Y simplify.
5538
5539 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
5540
5541         * fold-const (fold_binary):  Fold ~X ^ ~ Y to X ^ Y.
5542
5543 2005-04-20  Michael Pogue  <michael.pogue@sun.com>
5544             Joseph S. Myers  <joseph@codesourcery.com>
5545
5546         * c.opt (Wint-to-pointer-cast, Wpointer-to-int-cast): New options.
5547         * c-typeck.c (build_c_cast): Check these options.
5548         * doc/invoke.texi: Document these options.
5549
5550 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
5551
5552         * tree-ssa-phiopt.c: Update a comment about the pass.
5553
5554 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
5555
5556         * tree-ssa-phiopt.c, config/arm/arm.c, config/fr30/fr30.md,
5557         config/mcore/mcore.c: Fix comment typos.
5558
5559 2005-04-19  Daniel Jacobowitz  <dan@codesourcery.com>
5560
5561         * Makefile.in (libgcc.mk): Pass GCC_FOR_TARGET.
5562         * mklibgcc.in: Use $GCC_FOR_TARGET instead of ./xgcc.
5563
5564 2005-04-19  Paul Brook  <paul@codesourcery.com>
5565
5566         * config/arm/arm.c (arm_init_libfuncs): Clear mod optabs.
5567
5568 2005-04-19  Andrew Haley  <aph@redhat.com>
5569
5570         PR java/21022
5571         * dbxout.c (dbxout_type_fields): Check DECL_IGNORED_P before
5572         looking at a field's bitpos.
5573
5574 2005-04-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5575
5576         * system.h (fopen, fdopen, freopen): Define these to the unlocked
5577         libiberty functions.
5578
5579 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
5580
5581         PR tree-optimization/21096
5582         * tree-ssa-copy.c (fini_copy_prop): Free cached_last_copy_of.
5583
5584 2005-04-19  Alan Modra  <amodra@bigpond.net.au>
5585
5586         PR target/21098
5587         * config/rs6000/rs6000.c (rs6000_elf_end_indicate_exec_stack): New.
5588         * config/rs6000/linux64.h (TARGET_ASM_FILE_END): Use the above.
5589
5590 2005-04-19  Alexandre Oliva  <aoliva@redhat.com>
5591
5592         * tree-cfg.c (dump_function_to_file): Use cfun info only if it
5593         refers to the function being dumped.
5594
5595 2005-04-18  Daniel Jacobowitz  <dan@codesourcery.com>
5596
5597         * varasm.c (assemble_start_function): Remove reset of in_section.
5598
5599 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
5600
5601         PR tree-optimization/21085
5602         * fold-const (fold_binary): Don't change X % -C to X % C if C has
5603         overflowed.
5604
5605 2005-04-19  Ben Elliston  <bje@au.ibm.com>
5606
5607         * doc/invoke.texi (Optimize Options): Refer to the correct
5608         optimisation flag -ftree-dominator-opts, not -ftree-dom.
5609
5610 2005-04-18  Christopher Jaillet <christophe.jaillet@wanadoo.fr>
5611
5612         * config/rs6000/rs6000.c (machopic_output_stub):  Increase
5613         alloca argument to be big enough.
5614
5615 2005-04-18  Alexandre Oliva  <aoliva@redhat.com>
5616
5617         PR middle-end/21049
5618         * tree-cfg.c (dump_function_to_file): Do not crash if cfun or
5619         cfun->cfg are NULL.
5620
5621 2005-04-18  Tom Tromey  <tromey@redhat.com>
5622
5623         * cgraphunit.c (cgraph_finalize_compilation_unit): Fix a comment
5624         typo.
5625
5626 2005-04-18  Richard Henderson  <rth@redhat.com>
5627
5628         * config/alpha/alpha.c (alpha_split_atomic_op): New.
5629         (alphaev5_insn_pipe): Add LD_L, ST_C, MB types.
5630         (alphaev4_insn_pipe): Likewise.  Correct IST and LDSYM pipes.
5631         * config/alpha/alpha-protos.h: Update.
5632         * config/alpha/alpha.md (UNSPECV_MB, UNSPECV_LL, UNSPECV_SC): New.
5633         (UNSPECV_ATOMIC, UNSPECV_CMPXCHG, UNSPECV_XCHG): New.
5634         (attr type): Add ld_l, st_c, mb.
5635         (andsi_internal, andnotsi3, iorsi_internal, one_cmplsi_internal,
5636         iornotsi3, xorsi_internal, xornotsi3): New.
5637         * config/alpha/ev4.md (ev4_ld): Add ld_l.
5638         (ev4_ist_c, ev4_mb): New.
5639         * config/alpha/ev5.md (ev5_st): Add st_c, mb.
5640         (ev5_ld_l): New.
5641         * config/alpha/ev6.md (ev6_ild): Add ld_l.
5642         (ev6_ist): Add st_c.
5643         (ev6_mb): New.
5644         * config/alpha/sync.md: New file.
5645
5646 2005-04-18  Richard Henderson  <rth@redhat.com>
5647
5648         * builtins.c (expand_builtin_sync_operation): Fold nand to and
5649         for constants.
5650
5651         * optabs.c (expand_sync_operation): Fix typo expanding nand to and.
5652
5653 2005-04-18  Devang Patel  <dpatel@apple.com>
5654
5655         * config/rs6000/atlivec.md (mulv4si3): New pattern.
5656
5657 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
5658
5659         PR tree-optimization/20922
5660         * fold-const.c (fold_binary): Fold X - c > X and X + c < X to false.
5661         Fold X + c >= X and fold X - c <= X to true.
5662
5663 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
5664
5665         * config/ia64/unwind-ia64.c (emergency_reg_state_free): Make an
5666         unsigned int.
5667         (emergency_labeled_state_free): Likewise.
5668
5669 2005-04-18  Nick Clifton  <nickc@redhat.com>
5670
5671         * config/h8300/h8300.md (jump): Remove prescan parameter from
5672         calls to final_scan_insn.
5673
5674         * config/arc/arc.c (arc_output_function_epilogue): Remove prescan
5675         parameter from calls to final_scan_insn.
5676
5677         * config.gcc (m68hc12): Use the m68hc11.opt file for target
5678         specific options.
5679         (v850e, v850e1): Use the v850.opt file for target specific
5680         options.
5681
5682 2005-04-18  Kazu Hirata  <kazu@cs.umass.edu>
5683
5684         PR tree-optimization/21001
5685         * tree-optimize.c (init_tree_optimization_passes): Move the
5686         first pass_forwprop immediately before pass_vrp.
5687
5688 2005-04-17  Ian Lance Taylor  <ian@airs.com>
5689
5690         * c-common.def (SIZEOF_EXPR, ARROW_EXPR, ALIGNOF_EXPR): Remove.
5691         * c-common.c (c_sizeof_or_alignof_type): Change second parameter
5692         from enum tree_code op to bool is_sizeof.
5693         * c-common.h (c_sizeof_or_alignof_type): Update declaration.
5694         (c_sizeof, c_alignof): Update calls to c_sizeof_or_alignof_type.
5695         * c-pretty-print.c (pp_c_postfix_expression): Remove ARROW_EXPR
5696         case.
5697         (pp_c_unary_expression): Remove SIZEOF_EXPR and ALIGNOF_EXPR
5698         cases.
5699         (pp_c_expression): Remove ARROW_EXPR, SIZEOF_EXPR, and
5700         ALIGNOF_EXPR cases.
5701
5702 2005-04-17  Ian Lance Taylor  <ian@airs.com>
5703
5704         * system.h: Poison DONT_ACCESS_GBLS_AFTER_EPILOGUE.
5705
5706 2005-04-17  Richard Henderson  <rth@redhat.com>
5707
5708         * config/alpha/alpha.c (va_list_skip_additions): Only define if
5709         TARGET_ABI_OSF.
5710         (TARGET_STDARG_OPTIMIZE_HOOK): Likewise.
5711         (alpha_stdarg_optimize_hook): Likewise.  Allow for one more round
5712         of indirection through ssa names while looking for the gpr counter
5713         field.
5714         (alpha_setup_incoming_varargs) <TARGET_ABI_OSF>: Make use of the
5715         saved va_list_gpr_size and va_list_fpr_size.
5716
5717 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
5718
5719         * tree-vrp.c (compare_values): Check that VAL1 and VAL2 are
5720         both pointers or both integers.
5721
5722         * tree-vrp.c (maybe_add_assert_expr): Don't assert
5723         ASSERT_EXPRs for single-use variable.
5724
5725         * tree-into-ssa.c: Fix a comment typo.
5726
5727 2005-04-17  Richard Sandiford  <rsandifo@redhat.com>
5728
5729         * config/mips/iris6.h (DRIVER_SELF_SPECS): Check -march as well as
5730         -mipsN before forcing a default of -mips2.
5731
5732 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
5733
5734         * predict.h (IS_TAKEN): Remove.
5735         * rtl.h (NOTE_PREDICTION): Likewise.
5736
5737         * modulo-sched.c (CFG_HOOKS): Remove.
5738
5739         * c-parser.c (N_C_TTYPES): Remove.
5740
5741         * tree-flow-inline.h (get_stmt_operands): Remove.
5742         * lambda-code.c, tree-ssa-loop-unswitch.c,
5743         tree-ssa-operands.c, tree-ssa-pre.c, tree-ssa-propagate.c,
5744         tree-ssa-sink.c, tree-ssa.c, tree-tailcall.c,
5745         tree-vect-transform.c, tree-vectorizer.c, tree-vrp.c): Remove
5746         calls to get_stmt_operands.
5747         * doc/tree-ssa.texi: Don't mention get_stmt_operands.
5748
5749 2005-04-17  Richard Henderson  <rth@redhat.com>
5750
5751         PR target/20375
5752         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Advance a copy
5753         of CUMULATIVE_ARGS past the last named argument.
5754         (alpha_va_start): Expect pretend_args_size only if strictly less than
5755         6 named arguments.
5756
5757 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
5758
5759         PR middle-end/21024
5760         * builtins.c (expand_builtin_strcat): Convert the result of
5761         strlen to the right type.
5762         * fold-const.c (fold_binary) <PLUS_EXPR>: Use fold_convert to
5763         avoid creating type mismatches.
5764         <GE_EXPR>: Pass op0 and op1 to fold_build2 to avoid creating
5765         type mismatches.
5766
5767         * c-lex.c (WCHAR_TYPE_SIZE, WCHAR_BYTES): Remove.
5768
5769 2005-04-16  Richard Henderson  <rth@redhat.com>
5770
5771         PR target/21051
5772         * builtins.c (expand_builtin) <BUILT_IN_BOOL_COMPARE_AND_SWAP_*>:
5773         Use the mode of boolean_type_node when the user doesn't provide one.
5774         * config/ia64/sync.md (sync_lock_release<I48MODE>): Use operand 1.
5775
5776 2005-04-16  Alexandre Oliva  <aoliva@redhat.com>
5777
5778         PR target/20126
5779         * loop.c (loop_givs_rescan): Handle non-replaceable (plus (reg)
5780         (const)).
5781
5782         * tree-scalar-evolution.c (interpret_rhs_modify_expr): Fix typo in
5783         comment.
5784
5785 2005-04-16  Roger Sayle  <roger@eyesopen.com>
5786             Steven Bosscher  <stevenb@suse.de>
5787
5788         * fold-const.c (fold_binary_to_constant): Delete obsolete comment.
5789         (fold_unary_to_constant): Likewise.
5790
5791 2005-04-16  Kazu Hirata  <kazu@cs.umass.edu>
5792
5793         * basic-block.h: Adjust the value of PROP_SCAN_DEAD_STORES,
5794         PROP_ASM_SCAN.
5795
5796 2005-04-16  Gerald Pfeifer  <gerald@pfeifer.com>
5797
5798         * doc/install.texi (Specific): Avoid using asterisks in @anchor
5799         names related to target triplets.
5800         Remove i?86-*-esix from platform directory.
5801         Remove powerpc-*-eabiaix from platform directory.
5802
5803 2005-04-16  Joseph S. Myers  <joseph@codesourcery.com>
5804
5805         PR middle-end/20491
5806         * config/ia64/ia64.c (rtx_needs_barrier): Recurse instead of
5807         falling through from SUBREG case to REG.
5808
5809 2005-04-15  Roger Sayle  <roger@eyesopen.com>
5810
5811         * fold-const.c (fold_relational_hi_lo): Delete function and prototype.
5812         (fold_binary): Update comment mentioning fold_relational_hi_lo.
5813         (fold_binary_to_constant): Simplify using fold_binary.
5814         (fold_unary_to_constant): Likewise, simplify using fold_unary.
5815
5816 2005-04-15  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
5817
5818         * gthr-posix.c (pthread_cancel): Define.
5819         (pthread_mutexattr_init): Likewise.
5820         (pthread_mutexattr_settype): Likewise.
5821         (pthread_mutexattr_destroy): Likewise.
5822
5823 2005-04-15  David S. Miller  <davem@davemloft.net>
5824
5825         PR target/20673
5826         * config/sparc/sparc.h (sparc_hard_reg_printed): Mark as GTY(()).
5827
5828 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
5829
5830         PR tree-optimization/21031
5831         * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): New.
5832         (forward_propagate_into_cond_1): Call it.  Forward propagate
5833         integer-integer casts into COND_EXPRs.
5834
5835 2005-04-15  Dave Korn  <dave.korn@artimi.com>
5836
5837         * gcc.c (default_compilers): Clarify obscure error message when
5838         reading from standard input.
5839
5840 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
5841
5842         * basic-block.h (PROP_EQUAL_NOTES): Remove.
5843         * flow.c (propagate_one_insn): Don't use PROP_EQUAL_NOTES.
5844
5845         * tree-ssa-alias.c (init_alias_info): Remove a call to
5846         get_stmt_operands.
5847
5848 2005-04-15  Andrew MacLeod  <amacleod@redhat.com>
5849
5850         * tree-vect-analyze.c (vect_stmt_relevant_p): Process immediate uses
5851         of non-virtual PHI nodes like we use to.
5852
5853 2005-05-15  Paolo Bonzini  <bonzini@gnu.org>
5854
5855         * genattrtab.c (ATTR_EQ_ATTR_P): Remove.
5856         (attr_copy_rtx): Do not use it.
5857
5858 2005-04-15  Andrew Macleod  <amacleod@redhat.com>
5859
5860         * doc/tree-ssa.texi: Grammer/abbreviation updates.
5861
5862 2005-04-15  Diego Novillo  <dnovillo@redhat.com>
5863
5864         * tree-vect-transform.c (vectorizable_store): Mark necessary
5865         objects in the vectorized store needing renaming.  Update the
5866         SSA graph for V_MAY_DEF operands in the original store.
5867
5868 2005-04-14  Daniel Berlin <dberlin@dberlin.org>
5869
5870         * tree-ssa-pre.c (compute_avail): It's okay to have
5871         TREE_INVARIANT's here, and value number the resulting expressions.
5872         (create_expression_by_pieces): Make sure operands that were
5873         min_invariant when we started, stay that way.
5874
5875 2005-04-15  David Edelsohn  <edelsohn@gnu.org>
5876
5877         * doc/install.texi (*-ibm-aix*): Add comment about system limits.
5878
5879 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
5880
5881         PR tree-optimization/20936.
5882         * tree-ssa-ccp.c (visit_assignment): Fix a typo.
5883
5884 2005-04-15  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5885
5886         * doc/invoke.texi: Fix typos.
5887         * doc/md.texi: Likewise.
5888         * doc/rtl.texi: Likewise.
5889         * doc/sourcebuild.texi: Likewise.
5890         * doc/tm.texi: Likewise.
5891
5892 2005-04-15  Uros Bizjak  <uros@kss-loka.si>
5893
5894         PR tree-optimization/21004
5895         * convert.c (convert_to_integer): Convert ceilf, ceill, floorf
5896         and floorl in c99 mode only.
5897         * builtins.c (expand_builtin_int_roundingfn): Assert that
5898         fallback_fndecl is not NULL_TREE.
5899
5900 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
5901
5902         * cfgrtl.c (purge_all_dead_edge): Remove an unused argument.
5903         * basic-block.h: Update the prototype for
5904         purge_all_dead_edges.
5905         * cfgexpand.c (tree_expand_cfg): Update a call to
5906         purge_all_dead_edges.
5907         * combine.c (combine_instructions): Likewise.
5908         * passes.c (rest_of_handle_old_regalloc, rest_of_handle_cse,
5909         rest_of_handle_cse2, rest_of_handle_gcse,
5910         rest_of_handle_postreload): likewise.
5911
5912 2005-04-15  Alexandre Oliva  <aoliva@redhat.com>
5913
5914         PR middle-end/20739
5915         * gimplify.c (gimplify_addr_expr): Compensate for removal of
5916         e.g. cv-qualification conversions.
5917
5918 2005-04-14  Mike Stump  <mrs@apple.com>
5919
5920         * config/darwin-c.c (framework_construct_pathname): We must
5921         find all headers of a framework in the first instance of it
5922         found in the seach path.
5923
5924 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
5925
5926         PR tree-optimization/21021
5927         * tree-vrp.c (compare_values): Work around a bug in the front
5928         end that produces a comparison of mismatched types.
5929
5930 2004-04-14  Richard Henderson  <rth@redhat.com>
5931
5932         * config/ia64/ia64.h (enum fetchop_code): Remove.
5933         (enum ia64_builtins): Move ...
5934         * config/ia64/ia64.c (enum ia64_builtins): ... here.  Remove all
5935         members except BSP and FLUSHRS.
5936         (ia64_init_builtins): Remove __sync builtins.
5937         (ia64_expand_builtin): Likewise.
5938         (ia64_expand_fetch_and_op, ia64_expand_op_and_fetch): Remove.
5939         (ia64_expand_compare_and_swap, ia64_expand_lock_test_and_set): Remove.
5940         (ia64_expand_lock_release): Remove.
5941         * config/ia64/ia64.md (mf): Move to sync.md.
5942         (mf_internal, fetchadd_acq_si, fetchadd_acq_di, cmpxchg_acq_si,
5943         cmpxchg_acq_di, xchgsi, xchgdi): Likewise.
5944         * config/ia64/sync.md: New file.
5945         (memory_barrier): Rename from mf.
5946         (fetchadd_acq_<I48MODE>): Macroize from _si/_di patterns.
5947         (cmpxchg_acq_<I48MODE>): Likewise.
5948         (sync_lock_test_and_set<I48MODE>): Likewise.
5949
5950         * config/ia64/ia64intrin.h: Define nothing for C; limit #defines
5951         to c++.  Remove __sync* declarations.  s/_si/_4/.  s/_di/_8/.
5952
5953 2004-04-14  Richard Henderson  <rth@redhat.com>
5954
5955         * config/i386/i386.c (x86_cmpxchg, x86_xadd): New.
5956         (ix86_compare_emitted): New.
5957         (ix86_expand_compare): Use ix86_compare_emitted if set.
5958         (ix86_expand_setcc): Only emit REG_EQUAL if both ix86_compare_op0
5959         and ix86_compare_op0 are set.
5960         * config/i386/i386.h (x86_cmpxchg, x86_xadd): Declare.
5961         (TARGET_CMPXCHG, TARGET_XADD): New.
5962         (ix86_compare_emitted): Declare.
5963         * config/i386/i386.md: Include sync.md
5964         (UNSPECV_CMPXCHG_1, UNSPECV_CMPXCHG_2): New.
5965         (UNSPECV_XCHG, UNSPECV_LOCK): New.
5966         * config/i386/sync.md: New file.
5967
5968 2004-04-14  Richard Henderson  <rth@redhat.com>
5969
5970         PR middle-end/14311
5971         * builtin-types.def (BT_BOOL, BT_VOLATILE_PTR, BT_I1, BT_I2,
5972         BT_I4, BT_I8, BT_FN_VOID_VPTR, BT_FN_I1_VPTR_I1, BT_FN_I2_VPTR_I2,
5973         BT_FN_I4_VPTR_I4, BT_FN_I8_VPTR_I8, BT_FN_BOOL_VPTR_I1_I1,
5974         BT_FN_BOOL_VPTR_I2_I2, BT_FN_BOOL_VPTR_I4_I4, BT_FN_BOOL_VPTR_I8_I8,
5975         BT_FN_I1_VPTR_I1_I1, BT_FN_I2_VPTR_I2_I2, BT_FN_I4_VPTR_I4_I4,
5976         BT_FN_I8_VPTR_I8_I8): New.
5977         * builtins.def (DEF_SYNC_BUILTIN): New.
5978         (BUILT_IN_FETCH_AND_ADD_N, BUILT_IN_FETCH_AND_ADD_1,
5979         BUILT_IN_FETCH_AND_ADD_2, BUILT_IN_FETCH_AND_ADD_4,
5980         BUILT_IN_FETCH_AND_ADD_8, BUILT_IN_FETCH_AND_SUB_N,
5981         BUILT_IN_FETCH_AND_SUB_1, BUILT_IN_FETCH_AND_SUB_2,
5982         BUILT_IN_FETCH_AND_SUB_4, BUILT_IN_FETCH_AND_SUB_8,
5983         BUILT_IN_FETCH_AND_OR_N, BUILT_IN_FETCH_AND_OR_1,
5984         BUILT_IN_FETCH_AND_OR_2, BUILT_IN_FETCH_AND_OR_4,
5985         BUILT_IN_FETCH_AND_OR_8, BUILT_IN_FETCH_AND_AND_N,
5986         BUILT_IN_FETCH_AND_AND_1, BUILT_IN_FETCH_AND_AND_2,
5987         BUILT_IN_FETCH_AND_AND_4, BUILT_IN_FETCH_AND_AND_8,
5988         BUILT_IN_FETCH_AND_XOR_N, BUILT_IN_FETCH_AND_XOR_1,
5989         BUILT_IN_FETCH_AND_XOR_2, BUILT_IN_FETCH_AND_XOR_4,
5990         BUILT_IN_FETCH_AND_XOR_8, BUILT_IN_FETCH_AND_NAND_N,
5991         BUILT_IN_FETCH_AND_NAND_1, BUILT_IN_FETCH_AND_NAND_2,
5992         BUILT_IN_FETCH_AND_NAND_4, BUILT_IN_FETCH_AND_NAND_8,
5993         BUILT_IN_ADD_AND_FETCH_N, BUILT_IN_ADD_AND_FETCH_1,
5994         BUILT_IN_ADD_AND_FETCH_2, BUILT_IN_ADD_AND_FETCH_4,
5995         BUILT_IN_ADD_AND_FETCH_8, BUILT_IN_SUB_AND_FETCH_N,
5996         BUILT_IN_SUB_AND_FETCH_1, BUILT_IN_SUB_AND_FETCH_2,
5997         BUILT_IN_SUB_AND_FETCH_4, BUILT_IN_SUB_AND_FETCH_8,
5998         BUILT_IN_OR_AND_FETCH_N, BUILT_IN_OR_AND_FETCH_1,
5999         BUILT_IN_OR_AND_FETCH_2, BUILT_IN_OR_AND_FETCH_4,
6000         BUILT_IN_OR_AND_FETCH_8, BUILT_IN_AND_AND_FETCH_N,
6001         BUILT_IN_AND_AND_FETCH_1, BUILT_IN_AND_AND_FETCH_2,
6002         BUILT_IN_AND_AND_FETCH_4, BUILT_IN_AND_AND_FETCH_8,
6003         BUILT_IN_XOR_AND_FETCH_N, BUILT_IN_XOR_AND_FETCH_1,
6004         BUILT_IN_XOR_AND_FETCH_2, BUILT_IN_XOR_AND_FETCH_4,
6005         BUILT_IN_XOR_AND_FETCH_8, BUILT_IN_NAND_AND_FETCH_N,
6006         BUILT_IN_NAND_AND_FETCH_1, BUILT_IN_NAND_AND_FETCH_2,
6007         BUILT_IN_NAND_AND_FETCH_4, BUILT_IN_NAND_AND_FETCH_8,
6008         BUILT_IN_BOOL_COMPARE_AND_SWAP_N, BUILT_IN_BOOL_COMPARE_AND_SWAP_1,
6009         BUILT_IN_BOOL_COMPARE_AND_SWAP_2, BUILT_IN_BOOL_COMPARE_AND_SWAP_4,
6010         BUILT_IN_BOOL_COMPARE_AND_SWAP_8, BUILT_IN_VAL_COMPARE_AND_SWAP_N,
6011         BUILT_IN_VAL_COMPARE_AND_SWAP_1, BUILT_IN_VAL_COMPARE_AND_SWAP_2,
6012         BUILT_IN_VAL_COMPARE_AND_SWAP_4, BUILT_IN_VAL_COMPARE_AND_SWAP_8,
6013         BUILT_IN_LOCK_TEST_AND_SET_N, BUILT_IN_LOCK_TEST_AND_SET_1,
6014         BUILT_IN_LOCK_TEST_AND_SET_2, BUILT_IN_LOCK_TEST_AND_SET_4,
6015         BUILT_IN_LOCK_TEST_AND_SET_8, BUILT_IN_LOCK_RELEASE_N,
6016         BUILT_IN_LOCK_RELEASE_1, BUILT_IN_LOCK_RELEASE_2,
6017         BUILT_IN_LOCK_RELEASE_4, BUILT_IN_LOCK_RELEASE_8,
6018         BUILT_IN_SYNCHRONIZE: New.
6019         * builtins.c (called_as_built_in): Rewrite from CALLED_AS_BUILT_IN
6020         as a function.  Accept __sync_ as a prefix as well.
6021         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
6022         expand_builtin_lock_test_and_set, expand_builtin_synchronize,
6023         expand_builtin_lock_release): New.
6024         (expand_builtin): Call them.
6025         * c-common.c (DEF_BUILTIN): Don't require __builtin_ prefix if
6026         neither BOTH_P nor FALLBACK_P are defined.
6027         (builtin_type_for_size): New.
6028         (sync_resolve_size, sync_resolve_params, sync_resolve_return): New.
6029         (resolve_overloaded_builtin): New.
6030         * c-common.h (resolve_overloaded_builtin): Declare.
6031         (builtin_type_for_size): Declare.
6032         * c-typeck.c (build_function_call): Invoke resolve_overloaded_builtin.
6033         * expr.c (sync_add_optab, sync_sub_optab, sync_ior_optab,
6034         sync_and_optab, sync_xor_optab, sync_nand_optab, sync_old_add_optab,
6035         sync_old_sub_optab, sync_old_ior_optab, sync_old_and_optab,
6036         sync_old_xor_optab, sync_old_nand_optab, sync_new_add_optab,
6037         sync_new_sub_optab, sync_new_ior_optab, sync_new_and_optab,
6038         sync_new_xor_optab, sync_new_nand_optab, sync_compare_and_swap,
6039         sync_compare_and_swap_cc, sync_lock_test_and_set,
6040         sync_lock_release): New.
6041         * optabs.h: Declare them.
6042         * expr.h (expand_val_compare_and_swap, expand_bool_compare_and_swap,
6043         expand_sync_operation, expand_sync_fetch_operation,
6044         expand_sync_lock_test_and_set): Declare.
6045         * genopinit.c (optabs): Add sync optabs.
6046         * optabs.c (init_optabs): Initialize sync optabs.
6047         (expand_val_compare_and_swap_1, expand_val_compare_and_swap,
6048         expand_bool_compare_and_swap, expand_compare_and_swap_loop,
6049         expand_sync_operation, expand_sync_fetch_operation,
6050         expand_sync_lock_test_and_set): New.
6051         * doc/extend.texi (Atomic Builtins): New section
6052         * doc/md.texi (Standard Names): Add sync patterns.
6053
6054 2005-04-14  Alexandre Oliva  <aoliva@redhat.com>
6055
6056         * tree-eh.c (lower_try_finally_copy): Generate new code in
6057         response to goto_queue entries as if the queue was sorted by
6058         index, not pointers.
6059         (lower_try_finally_switch): Likewise.
6060
6061 2005-04-14  Richard Henderson  <rth@redhat.com>
6062
6063         * config/i386/i386.c (ix86_expand_sse_cmp): Split out from ...
6064         (ix86_expand_sse_movcc): ... here.  Take cmp as a pre-computed
6065         register.
6066         (ix86_expand_fp_movcc): Update to match.
6067         (ix86_expand_fp_vcond, ix86_expand_int_vcond): New.
6068         * config/i386/i386-protos.h: Update.
6069         * config/i386/sse.md (vcondv4sf, vcondv2df): New.
6070         (vcond<SSEMODE124>, vcondu<SSEMODE12>): New.
6071
6072 2005-04-14  Joseph S. Myers  <joseph@codesourcery.com>
6073
6074         * doc/cpp.texi, doc/install.texi: Change references to GCC 3.5 to
6075         refer to 4.0.
6076
6077 2005-04-14  Julian Brown  <julian@codesourcery.com>
6078
6079         * Revert elfos.h part of my patch from 2005-04-13 for causing libstdc++
6080         link failures on ppc64 Linux.
6081
6082 2005-04-14  Andreas Krebbel  <krebbel1@de.ibm.com>
6083
6084         * config.gcc: Set cpu_type for s390.
6085
6086 2005-04-14  Daniel Berlin  <dberlin@dberlin.org>
6087
6088         Fix PR tree-optimization/20963
6089         * tree-ssa-pre.c (compute_avail): Remove special case for
6090         TREE_INVARIANT.
6091         (create_expression_by_pieces): Add value numbers for forced out
6092         statements.
6093
6094 2005-04-14  Hans-Peter Nilsson  <hp@axis.com>
6095
6096         * config/cris/cris.md: Replace references to (reg:SI 16) with
6097         (reg:SI CRIS_SRP_REGNUM).
6098
6099 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
6100
6101         PR tree-optimization/20657
6102         * tree-vrp.c (extract_range_from_expr): Notice INTEGER_CST to
6103         create an appropriate range from it.
6104
6105 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
6106
6107         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST_FLOOR> and
6108         <UNSPEC_FIST_CEIL> case.
6109
6110         * config/i386/i386.md (UNSPEC_FIST_FLOOR, UNSPEC_FIST_CEIL): New.
6111         (*fist<mode>2_floor_1, fistdi2_floor, fistdi2_floor_with_temp)
6112         (fist<mode>2_floor, fist<mode>2_floor_with_temp): New isns patterns
6113         to implement lfloor and llfloor built-ins as x87 intrinsic function.
6114         (fistdi2_floor, fist<mode>2_floor splitters): New splitters.
6115         (lfloor<mode>2): New expanders.
6116         (*fist<mode>2_ceil_1, fistdi2_ceil, fistdi2_ceil_with_temp)
6117         (fist<mode>2_ceil, fist<mode>2_ceil_with_temp): New isns patterns
6118         to implement lceil and llceil built-ins as x87 intrinsic function.
6119         (fistdi2_ceil, fist<mode>2_ceil splitters): New splitters.
6120         (lceil<mode>2): New expanders.
6121
6122 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
6123
6124         * convert.c (convert_to_integer): Convert (long int)trunc{,f,l},
6125         and (long long int)ceil{,f,l} into FIX_TRUNC_EXPR.
6126
6127 2005-04-14  Ulrich Weigand  <uweigand@de.ibm.com>
6128
6129         PR target/20927
6130         * config/s390/s390-modes.def: Define TFmode.
6131
6132 2005-04-13  Richard Sandiford  <rsandifo@redhat.com>
6133
6134         * config/mips/mips.h (ASM_OUTPUT_CASE_LABEL): Delete.
6135         (JUMP_TABLES_IN_TEXT_SECTION): Define.
6136         * config/mips/mips.c (mips16_insn_length): Remove reference to
6137         JUMP_TABLES_IN_TEXT_SECTION.
6138
6139 2005-04-13 Fariborz Jahanian <fjahanian@apple.com>
6140
6141         * simplify-rtx.c (simplify_binary_operation_1): Return
6142         scalar or vector of constant 0, depending on the xor's
6143         mode.
6144
6145 2005-04-13  Dale Johannesen  <dalej@apple.com>
6146
6147         * objc/Make-lang.in (objc-lang.o):  Depend on tree-gimple.h.
6148         (objc-act.o):  Ditto.
6149         * objc/objc-act.c (objc_gimplify_expr):  New.
6150         (objc_get_callee_fndecl):  New.
6151         * objc/objc-act.h:  Include tree-gimple.h.  Declare new functions.
6152         * objc/objc-lang.c (LANG_HOOKS_GIMPLIFY_EXPR):  Define.
6153         (LANG_HOOKS_GET_CALLEE_FNDECL):  Define.
6154
6155 2005-04-13  Devang Patel  <dpatel@apple.com>
6156
6157         * tree-if-conv.c (tree_if_convert_cond_expr): Do not create extra
6158         temp variables.
6159
6160 2005-04-13  Hans-Peter Nilsson  <hp@axis.com>
6161
6162         CRIS prologue as RTL.
6163         * config/cris/cris-protos.h (cris_emit_movem_store)
6164         (cris_expand_prologue): Prototype.
6165         * config/cris/cris.c (struct machine_function): New member
6166         stdarg_regs.
6167         (cfa_label_num, cris_target_asm_function_prologue): Remove.
6168         (TARGET_ASM_FUNCTION_PROLOGUE): Don't override.
6169         (cris_general_operand_or_gotless_symbol): Accept CRIS_UNSPEC_GOT.
6170         (cris_load_multiple_op, cris_return_address_on_stack)
6171         (cris_return_address_on_stack_for_return): ISO-Cify.
6172         (cris_store_multiple_op): New predicate function.
6173         (cris_expand_prologue, cris_emit_movem_store): New functions.
6174         (cris_print_operand) <case 'O'>: Handle modifications other than
6175         post-increment.
6176         (cris_symbol, cris_got_symbol): Return 0 for CRIS_UNSPEC_GOT.
6177         (cris_gotless_symbol): Return 1 for CRIS_UNSPEC_GOT.
6178         (cris_gen_movem_load): Rearrange slightly to make local variable
6179         src a parameter, removing osrc.
6180         (cris_setup_incoming_varargs): Set machine_function member
6181         stdarg_regs to correspond to the number of registers that need to
6182         be saved.
6183         * config/cris/cris.h (EXTRA_CONSTRAINT_S): Accept
6184         CRIS_UNSPEC_GOT.
6185         (PREDICATE_CODES): Add cris_store_multiple_op.  Make
6186         cris_general_operand_or_gotless_symbol accept UNSPEC.
6187         * config/cris/cris.md (CRIS_UNSPEC_GOT): New constant.
6188         ("*movsi_internal") <alternative 8>: Handle CRIS_UNSPEC_GOT.
6189         ("*cris_store_multiple"): New pattern.  Tweak common comment above
6190         this and "*cris_load_multiple".
6191         ("prologue"): New define_expand.
6192
6193         * config/cris/cris.md ("epilogue"): Conditionalize on
6194         TARGET_PROLOGUE_EPILOGUE.
6195
6196 2005-04-13  Steve Ellcey  <sje@cup.hp.com>
6197
6198         PR target/20924
6199         * config/ia64/ia64.md (divsf3_internal_lat): Generate frcpa with
6200         fpsr 0 instead of fpsr 1.
6201         (divsf3_internal_thr): Ditto.
6202         (divdf3_internal_lat): Ditto.
6203         (divdf3_internal_thr): Ditto.
6204         (divxf3_internal_lat): Ditto.
6205         (divxf3_internal_thr): Ditto.
6206
6207 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
6208
6209         PR tree-optimization/20913
6210         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Fold COND_EXPR.
6211
6212         PR tree-optimization/20702
6213         * tree-vrp.c (maybe_add_assert_expr): Recurse into
6214         dominator children that haven't been walked into.
6215
6216 2005-04-13  Julian Brown  <julian@codesourcery.com>
6217
6218         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK from
6219         being used for symbols with vague linkage when HAVE_GAS_COMDAT_GROUP
6220         is true.
6221
6222 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
6223
6224         * basic-block.h, tree-ssa-uncprop.c, varasm.c,
6225         config/i386/sse.md: Fix comment typos.
6226
6227         * genattrtab.c (NULL_ATTR): Remove.
6228         * ifcvt.c (NULL_EDGE): Likewise.
6229
6230         * rtl.h (RTX_EXPR_FIRST, RTX_EXPR_LAST): Remove.
6231
6232         * rtl.h (NOTE_PREDICTION_ALG, NOTE_PREDICTION_FLAGS,
6233         NOTE_PREDICT): Remove.
6234
6235 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
6236
6237         * configure.ac (gcc_AC_CHECK_DECLS): Add vsnprintf.
6238         * configure: Regenerate.
6239         * config.in: Likewise.
6240         * system.h: Declare vsnprintf if not already declared.
6241
6242 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
6243
6244         * optc-gen.awk: Handle stand-alone Mask records.
6245         * opth-gen.awk: Likewise.
6246         * doc/options.texi (Option file format): Document them.
6247         * config.gcc (sparc-*-netbsdelf*, sparc-*-linux*, sparc64-*-freebsd*,
6248         sparc64-*-linux*, sparc64-*-netbsd*): Add long-double-switch.opt.
6249         (sparc64-*-openbsd*, sparc64-*-elf*): Add little-endian.opt.
6250         * config/sparc/sparc.h (MASK_FPU, MASK_UNALIGNED_DOUBLES,
6251         MASK_V8, MASK_SPARCLITE, MASK_SPARCLET, MASK_V9,
6252         MASK_DEPRECATED_V8_INSNS, MASK_IMPURE_TEXT, MASK_APP_REGS,
6253         MASK_HARD_QUAD, MASK_LITTLE_ENDIAN, MASK_PTR64, MASK_64BIT,
6254         MASK_STACK_BIAS, MASK_FPU_SET, MASK_VIS, MASK_V8PLUS,
6255         MASK_FASTER_STRUCTS, MASK_LONG_DOUBLE_128): Delete.
6256         (TARGET_FPU, TARGET_UNALIGNED_DOUBLES, TARGET_V8, TARGET_SPARCLITE,
6257         TARGET_SPARCLET, TARGET_V9, TARGET_DEPRECATED_V8_INSNS,
6258         TARGET_IMPURE_TEXT, TARGET_APP_REGS, MASK_HARD_QUAD,
6259         TARGET_LITTLE_ENDIAN, TARGET_PTR64, TARGET_64BIT, MASK_STACK_BIAS,
6260         TARGET_FPU_SET, TARGET_VIS, TARGET_V8PLUS, TARGET_FASTER_STRUCTS,
6261         TARGET_LONG_DOUBLE_128): Likewise.
6262         (TARGET_SWITCHES, SUBTARGET_SWITCHES): Likewise.
6263         (TARGET_OPTIONS, SUBTARGET_OPTIONS): Likewise.
6264         * config/sparc/freebsd.h (SUBTARGET_SWITCHES): Likewise.
6265         * config/sparc/linux.h (SUBTARGET_SWITCHES): Likewise.
6266         * config/sparc/linux64.h (SUBTARGET_SWITCHES): Likewise.
6267         * config/sparc/netbsd-elf.h (SUBTARGET_SWITCHES): Likewise.
6268         * config/sparc/sp64-elf.h (SUBTARGET_SWITCHES): Likewise.
6269         * config/sparc/sparc.c (fpu_option_set): New global.
6270         (sparc_handle_option): New function.
6271         (sparc_override_options): Test fpu_option_set.
6272         (TARGET_DEFAULT_TARGET_FLAGS): Set to TARGET_DEFAULT.
6273         (TARGET_HANDLE_OPTION): Set to sparc_handle_option.
6274         * config/sparc/sparc.opt: New file.
6275         * config/sparc/little-endian.opt: Likewise.
6276         * config/sparc/long-double-switch.opt: Likewise.
6277
6278 2005-04-13  Bernd Schmidt  <bernd.schmidt@analog.com>
6279
6280         * config/bfin/bfin.c (bfin_lib_id_given): New static variable.
6281         (bfin_handle_options): Set it if -mshared-library-id= is seen.
6282         * config/bfin/bfin.opt (mshared-library-id=): Lose
6283         Var(bfin_lib_id_given).
6284
6285 2005-04-13  Matt Thomas  <matt@3am-software.com>
6286
6287         * config/rs6000/sysv4.h (NO_IMPLICIT_EXTERN_C): undefine before
6288         defining.
6289
6290 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
6291
6292         * rtl.h (CLEAR_RTX_FLAGS): Remove.
6293
6294         * cgraphunit.c (INSNS_PER_CALL): Remove.
6295
6296         * tree-ssa-forwprop.c (vars,
6297         record_single_argument_cond_exprs,
6298         substitute_single_use_vars): Remove.
6299         (forward_propagate_into_cond_1, forward_propagate_into_cond):
6300         New.
6301         (tree_ssa_forward_propagate_single_use_vars): Call
6302         forward_propagate_into_cond for each COND_EXPR.
6303
6304         * tree-inline.c (INSNS_PER_STMT): Remove.
6305
6306 2005-04-12  Richard Henderson  <rth@redhat.com>
6307
6308         * config/i386/i386.c (ix86_prepare_sse_fp_compare_args): Split ...
6309         (ix86_expand_sse_fp_minmax): ... from ...
6310         (ix86_expand_fp_movcc): ... here.
6311         (ix86_expand_sse_movcc): Rewrite from ix86_split_sse_movcc.
6312         * config/i386/i386-protos.h: Update.
6313         * config/i386/i386.md (UNSPEC_IEEE_MIN, UNSPEC_IEEE_MAX): New.
6314         (sse_setccsf, sse_setccdf): Allow before reload.
6315         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): Remove.
6316         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): Remove.
6317         (ieee_sminsf3, ieee_smaxsf3, ieee_smindf3, ieee_smaxdf3): New.
6318         * config/i386/sse.md (andsf3, nandsf3, iorsf3, xorsf3): New.
6319         (anddf3, nanddf3, iordf3, xordf3): New.
6320
6321 2005-04-12  Jeff Law  <law@redhat.com>
6322
6323         * Makefile.in (OBJS-common): Add tree-ssa-uncprop.o.
6324         (tree-ssa-uncprop.o): Add dependencies.
6325         * tree-cfg.c (remove_useless_stmts_bb, remove_useless_stmts): Remove.
6326         * tree-flow.h (remove_useless_stmts): Remove prototype.
6327         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
6328         remove_useless_stmts.
6329         * timevar.def (TV_TREE_SSA_UNCPROP): New timevar.
6330         * tree-optimize.c (init_tree_optimization_passes): Add uncprop pass.
6331         * tree-pass.h (pass_uncprop): Declare.
6332         * tree-ssa-uncprop.c: New file.
6333
6334 2005-04-12  James E. Wilson  <wilson@specifixinc.com>
6335
6336         PR target/20670
6337         * unwind-ia64.c (uw_intall_context): Add missing load of r27.
6338
6339 2005-04-12  Caroline Tice  <ctice@apple.com>
6340
6341         Temporary fix for partitioning problems.
6342         * passes.c (rest_of_handle_final): Remove code that
6343         frees unlikely_text_section_name,
6344         * varasm.c (assemble_start_function): Test for partitioning
6345         flag before writing out section labels.
6346         (assemble_end_function): Test for partitioning flag before
6347         writing out section labels.
6348
6349 2005-04-12  Steven Bosscher  <stevenb@suse.de>
6350             Stuart Hastings <stuart@apple.com>
6351             Jan Hubicka  <jh@suse.cz>
6352
6353         * Makefile.in: Add function.h to BASIC_BLOCK_H.  Remove all
6354         references to gt-tree-cfg.h.
6355         * basic-block.h (struct basic_block_def): Don't skip rbi
6356         for garbage collection.
6357         (struct reorder_block_def): Make GTY-able.
6358         (struct control_flow_graph): New structure.
6359         (n_edges, n_basic_blocks, last_basic_block, basic_block_info,
6360         BASIC_BLOCK, EXIT_BLOCK_PTR, ENTRY_BLOCK_PTR): No longer vars,
6361         but instead defines to the control_flow_graph for cfun.
6362         (label_to_block_map): New define, points to the label map of
6363         the control_flow_graph for cfun.
6364         (n_edges_for_function, n_basic_blocks_for_function,
6365         last_basic_block_for_function, basic_block_info_for_function,
6366         EXIT_BLOCK_PTR_FOR_FUNCTION, ENTRY_BLOCK_PTR_FOR_FUNCTION,
6367         basic_block_info_for_function, label_to_block_map_for_function):
6368         Counterparts for the above, taking a struct function as an extra
6369         argument.
6370         (alloc_rbi_pool, free_rbi_pool): Remove prototypes.
6371         * cfg.c: (n_edges, n_basic_blocks, last_basic_block,
6372         basic_block_info, ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): Remove.
6373         (alloc_rbi_pool, free_rbi_pool): Remove.
6374         (initialize_bb_rbi): Use ggc_alloc_cleared instead of pool_alloc.
6375         * cfglayout.c: (cfg_layout_initialize): Don't allocate the rbi pool
6376         here...
6377         (cfg_layout_finalize) ... and don't free it here.
6378         * cfgrtl.c (cfg_layout_delete_block): Zero out rbi so it gets
6379         garbage collected.
6380         * flow.c (free_basic_block_vars): Set label_to_block_map and
6381         n_edges to zero too.
6382         * function.h (struct function): Add cfg field.
6383         * function.c (allocate_struct_function): Allocate the cfg.
6384         * tree-cfg.c (label_to_block_map): Remove.
6385         (build_tree_cfg): Don't allocate the rbi pool here...
6386         (delete_tree_cfg_annotations): ...and don't free it here.
6387         Also don't nullify label_to_block_map for cfun.
6388
6389 2005-04-12  Caroline Tice  <ctice@apple.com>
6390
6391         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
6392         Revert my patch from April 9.
6393         (fix_edges_for_rarely_executed_code): Revert my patch from April 9.
6394         (reorder_basic_blocks): Revert my patch from April 9.
6395         (insert_section_boundary_note): Revert my patch from April 9.
6396         * dbxout.c (dbxout_function_end): Revert my patch from April 9.
6397         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): Revert my patch from April 9.
6398         (COLD_END_LABEL):  Revert my patch from April 9.
6399         (cold_text_section_label):  Revert my patch from April 9.
6400         (cold_end_label): Revert my patch from April 9.
6401         (dwarf2out_switch_text_section): Revert my patch from April 9.
6402         (output_aranges): Revert my patch from April 9.
6403         (output_ranges):  Revert my patch from April 9.
6404         (output_line_info): Revert my patch from April 9.
6405         (add_location_or_const_value_attribute):  Revert my patch from April 9.
6406         (dwarf2out_var_location): Revert my patch from April 9.
6407         (dwarf2out_init):  Revert my patch from April 9.
6408         (dwarf2out_finish): Revert my patch from April 9.
6409         * function.h (struct function): Revert my patch from April 9.
6410         * opts.c (decode_options): Revert my patch from April 9.
6411         * output.h (unlikely_section_label, hot_section_label,
6412         hot_section_end_label, cold_section_end_label,
6413         unlikely_text_section_name): Revert my patch from April 9.
6414         * passes.c (rest_of_handle_final): Revert my patch from April 9.
6415         * varasm.c (unlikely_section_label, hot_section_label,
6416         hot_section_end_label, cold_section_end_label,
6417         unlikely_text_section_name): Revert my patch from April 9.
6418         (initialize_cold_section_name): Revert my patch from April 9.
6419         (unlikely_text_section): Revert my patch from April 9.
6420         (in_unlikely_text_section): Revert my patch from April 9.
6421         (named_section): Revert my patch from April 9.
6422         (function_section): Revert my patch from April 9.
6423         (current_function_section): Revert my patch from April 9.
6424         (assemble_start_function): Revert my patch from April 9.
6425         (assemble_end_function): Revert my patch from April 9.
6426         (default_section_type_flags_1): Revert my patch from April 9.
6427
6428 2005-04-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
6429
6430         * config/sparc/sparc.h (APPLY_RESULT_SIZE): Set to 24 in 64-bit mode.
6431         * config/sparc/sparc.md (untyped_call): Save the registers manually.
6432
6433         * config/sparc/sparc.c (legitimate_address_p): Use TARGET_ARCH32.
6434
6435 2005-04-12  Ulrich Weigand  <uweigand@de.ibm.com>
6436
6437         PR middle-end/20917
6438         * config/s390/s390.md ("*set_tp"): Use SET in pattern.
6439         ("set_tp_64", "set_tp_31"): Adapt expanded pattern.
6440
6441 2004-04-12  Richard Henderson  <rth@redhat.com>
6442
6443         * config/i386/i386.md (UNSPEC_FIX, UNSPEC_MOVA, UNSPEC_SHUFFLE,
6444         UNSPEC_PSHUFLW, UNSPEC_PSHUFHW, UNSPEC_ADDSUB, UNSPEC_HADD,
6445         UNSPEC_HSUB, UNSPEC_MOVSHDUP, UNSPEC_MOVSLDUP, UNSPEC_MOVDDUP): Remove.
6446         (UNSPEC_*, UNSPECV_*): Renumber.
6447
6448 2005-04-12  Frank Ch. Eigler  <fche@redhat.com>
6449
6450         PR mudflap/19266
6451         From Richard Henderson <rth@redhat.com>:
6452         * tree-mudflap.c (mf_build_check_statement_for): Correct block
6453         splitting logic.
6454
6455 2005-04-12  Dorit Naishlos  <dorit@il.ibm.com>
6456
6457         * tree-cfg.c (tree_verify_flow_info): Use LABEL_EXPR_LABEL.
6458
6459 2005-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
6460
6461         * config/bfin/bfin.c (bfin_library_id_string): Remove.
6462         (bfin_library_id): New variable.
6463         (bfin_expand_prologue): Use bfin_library_id and bfin_lib_id_given
6464         instead of bfin_library_id_string.
6465         (bfin_handle_option): New function.
6466         (override_options): Remove most code to deal with shared library IDs,
6467         just check they aren't used without -mid-shared-library.
6468         (TARGET_HANDLE_OPTION): Define.
6469         * config/bfin/bfin.h (TARGET_OPTIONS): Delete macro.
6470         * config/bfin/bfin.opt (mshared-library-id=): New.
6471
6472 2005-04-12  Kazu Hirata  <kazu@cs.umass.edu>
6473
6474         * tree-vect-transform.c: Fix comment typos.
6475
6476 2005-04-12 Mostafa Hagog <mustafa@il.ibm.com>
6477
6478         * postreload-gcse.c (eliminate_partially_redundant_load): Don't
6479         split critical edges when not possible/profitable.
6480
6481 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
6482
6483         * config/ns32k/ns32k.h (target_flags, MASK_32081, MASK_RTD)
6484         (MASK_REGPARM, MASK_32532, MASK_32332, MASK_NO_SB, MASK_NO_BITFIELD)
6485         (MASK_HIMEM, MASK_32381, MASK_MULT_ADD, MASK_SRC, MASK_IEEE_COMPARE)
6486         (TARGET_32081, TARGET_32381, TARGET_MULT_ADD, TARGET_RTD)
6487         (TARGET_REGPARM, TARGET_32532, TARGET_32332, TARGET_SB, TARGET_HIMEM)
6488         (TARGET_BITFIELD, TARGET_IEEE_COMPARE, TARGET_SWITCHES): Delete.
6489         (OVERRIDE_OPTIONS): Clear MASK_SB instead of setting MASK_NO_SB.
6490         * config/ns32k/netbsd.h (TARGET_DEFAULT): Remove MASK_NO_SB and
6491         MASK_NO_BITFIELD.
6492         * config/ns32k/ns32k.c (ns32k_handle_option): New function.
6493         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
6494         * config/ns32k/ns32k.opt: New file.
6495
6496 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
6497
6498         * config.gcc (m68k-*-linux*): Add m68k/ieee.opt to $extra_options.
6499         * config/m68k/m68k.h (target_flags, MASK_68020, TARGET_68020)
6500         (MASK_68030, TARGET_68030, MASK_68040, TARGET_68040, MASK_68040_ONLY)
6501         (TARGET_68040_ONLY, MASK_68060, TARGET_68060, MASK_5200, TARGET_5200)
6502         (MASK_CFV3, TARGET_CFV3, MASK_CFV4, TARGET_CFV4, MASK_528x)
6503         (TARGET_528x, MASK_CF_HWDIV, TARGET_CF_HWDIV, MASK_68881, TARGET_68881)
6504         (MASK_BITFIELD, TARGET_BITFIELD, MASK_SHORT, TARGET_SHORT)
6505         (MASK_ALIGN_INT, TARGET_ALIGN_INT, MASK_PCREL, TARGET_PCREL)
6506         (MASK_NO_STRICT_ALIGNMENT, TARGET_STRICT_ALIGNMENT, MASK_RTD)
6507         (TARGET_RTD, MASK_SEP_DATA, TARGET_SEP_DATA, MASK_ID_SHARED_LIBRARY)
6508         (TARGET_ID_SHARED_LIBRARY, MASK_ALL_CF_BITS, TARGET_SWITCHES)
6509         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS): Delete.
6510         (MASK_COLDFIRE): Formatting fixes.
6511         (TARGET_COLDFIRE): Turn into a boolean value for consistency.
6512         * config/m68k/linux.h (SUBTARGET_SWITCHES): Delete.
6513         * config/m68k/m68k.c (m68k_library_id_string): Initialize to
6514         "_current_shared_library_a5_offset_".
6515         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
6516         (MASK_ALL_CPU_BITS): New macro.
6517         (m68k_handle_option): New function.
6518         (override_options): Remove handling of m68k_library_id_string.
6519         * config/m68k/m68k.opt: New file.
6520         * config/m68k/ieee.opt: New file.
6521
6522 2005-04-11  Mark Mitchell  <mark@codesourcery.com>
6523
6524         * target-def.h (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
6525         (TARGET_CXX_DETERMINE_CLASS_VISIBILITY): New macro.
6526         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
6527         (TARGET_CXX): Adjust accordingly.
6528         * target.h (struct gcc_target): Remove epxort_class_data.  Add
6529         determine_class_data_visibility and class_data_always_comdat.
6530         * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
6531         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Document.
6532         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
6533         * config/arm/arm.c (arm_cxx_export_class_data): Remove.
6534         (arm_cxx_determine_class_data_visibility): New.
6535         (arm_cxx_class_data_always_comdat): Likewise.
6536         (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
6537         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
6538         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
6539         * config/arm/arm.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P): Define.
6540         * config/arm/symbian.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P):
6541         Define.
6542
6543 2005-04-11  Devang Patel  <dpatel@apple.com>
6544
6545         * tree-data-ref.c (build_classic_dist_vector,
6546         compute_subscript_distance): Make externally visible.
6547         * tree-data-ref.h (build_classic_dist_vector,
6548         compute_subscript_distance): Same.
6549         * tree-vect-analyze.c (vect_analyze_data_ref_dependence):
6550         Check distance vector against vectorization factor.
6551         (vect_analyze_loop): Determine vectorizaion factor before
6552         analyzing data dependences.
6553         * tree-vectorizer.c (loops_num): Make it externally visible and
6554         rename ...
6555         * tree-vectorizer.c (vect_loops_num): ... new name.
6556         * tree-vectorizer.h  (vect_loops_num): New.
6557
6558 2005-04-11  Devang Patel  <dpatel@apple.com>
6559
6560         * tree-vect-analyze.c (vect_analyze_operations): Check
6561         vectorizable codition.
6562         * tree-vect-transform.c (vect_is_simple_cond): New function.
6563         (vectorizable_condition): New function.
6564         (vect_transform_stmt): Handle condition_vec_info_type.
6565         * tree-vectorizer.h (enum stmt_vec_info_type): Add
6566         condition_vec_info_type.
6567         (vectorizable_condition): New.
6568
6569 2005-04-11  Geoffrey Keating  <geoffk@apple.com>
6570
6571         * config/i386/i386.h (TARGET_FPMATH_DEFAULT): New.
6572         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT): New.
6573         * config/i386/i386.c (override_options): Use TARGET_FPMATH_DEFAULT.
6574
6575         * config/i386/darwin.h (ASM_SPEC): Use -arch i386 not -arch i686.
6576         (SUBTARGET_EXTRA_SPECS): Always 'i386'.
6577
6578         * dwarf2out.c (output_line_info): Don't try to dereference
6579         a NULL current_function_decl.
6580
6581         * config/t-slibgcc-darwin: Don't put shared libraries in
6582         directories other than $(slibdir).
6583         * config/rs6000/darwin.h: Find -m64 libgcc under the name the
6584         OS uses for it.
6585
6586 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
6587
6588         PR tree-optimization/20933
6589         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Move
6590         logic to reject aliases between read-only and writable
6591         variables ...
6592         (may_alias_p): ... here.
6593         (get_tmt_for): Do not associate read-only tags to pointers
6594         whose pointed-to type is not read-only.
6595         * tree-ssa.c (verify_ssa): Check that memory stores have at
6596         least one V_MAY_DEF or V_MUST_DEF.
6597
6598 2005-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6599
6600         PR/17092
6601         * configure.ac (gcc_UNLOCKED_FUNCS): New.
6602         (AC_CHECK_FUNCS, AC_CHECK_DECLS): Check for gcc_UNLOCKED_FUNCS.
6603         * system.h (putchar, getc, getchar, clearerr, feof, fileno,
6604         fflush, fgetc, fgets, ferror, fread): Redefine to the associated
6605         _unlocked function.
6606         (fwrite_unlocked): Fix prototype.
6607
6608         * configure, config.in: Regenerate.
6609
6610 2005-04-11  David Edelsohn  <edelsohn@gnu.org>
6611
6612         * tree-ssa-loop-im.c: Include real.h.
6613         (determine_invariantness_stmt): If real division divisor is
6614         invariant and flag_unsafe_math_optimizations enabled, generate
6615         invariant reciprocal for hoisting.
6616         * Makefile.in (tree-ssa-loop-im.o): Add real.h dependency.
6617
6618 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
6619
6620         Fix PR tree-optimization/20926
6621
6622         * tree-ssa-alias.c (add_type_alias): Handle subvars.
6623
6624 2005-04-11  Devang Patel  <dpatel@apple.com>
6625
6626         * config/rs6000.c (rs6000_emit_vector_select): Fix vector select
6627         operand ordering.
6628
6629 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
6630
6631         * fold-const.c (fold_binary_op_with_conditional_arg):
6632         use fold_buildN instead of "fold (buildN" in some
6633         non obvious places.
6634         (fold_unary): Likewise.
6635         (fold_binary): Likewise.
6636
6637 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
6638
6639         Fix PR tree-optimization/20612
6640         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Fix increment
6641         handling
6642         (perfect_nestify): preheaderbb is *not* part of loop of the
6643         old destination.
6644
6645 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
6646
6647         * tree-ssa-alias.c (may_alias_p): If the variable
6648         is a global variable and the pointer is parameter
6649         and -fargument-noalias-global is used, then
6650         the pointer cannot alias the variable.
6651
6652 2005-04-11  James A. Morrison  <phython@gcc.gnu.org>
6653
6654         * config/sparc/sparc.c: Use gcc_assert and gcc_unreachable.
6655         * config/sparc/sparc.h: Likewise.
6656         * config/sparc/sparc.md: Likewise.
6657
6658 2005-04-11  Kazu Hirata  <kazu@cs.umass.edu>
6659
6660         * tree-vrp.c (maybe_add_assert_expr): Move a comment.
6661
6662         * tree-vrp.c: Fix a comment typo.
6663
6664 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
6665
6666         PR tree-optimization/20920
6667         * tree-pretty-print.c (dump_generic_node): Show '(ab)' if an
6668         SSA_NAME flows through an abnormal edge.
6669         * tree-vrp.c (infer_value_range): Ignore SSA names that flow
6670         through abnormal edges.
6671         (maybe_add_assert_expr): Likewise.
6672
6673 2005-04-11  Richard Sandiford  <rsandifo@redhat.com>
6674
6675         * config/s390/s390.h (s390_tune_string, s390_arch_string)
6676         (s390_warn_framesize_string, s390_warn_dynamicstack_string)
6677         (s390_stack_size_string, s390_stack_guard_string, target_flags)
6678         (MASK_HARD_FLOAT, MASK_SMALL_EXEC, MASK_DEBUG_ARG, MASK_64BIT)
6679         (MASK_ZARCH, MASK_MVCLE, MASK_TPF_PROFILING, MASK_NO_FUSED_MADD)
6680         (MASK_BACKCHAIN, MASK_PACKED_STACK, TARGET_HARD_FLOAT)
6681         (TARGET_SOFT_FLOAT, TARGET_SMALL_EXEC, TARGET_DEBUG_ARG)
6682         (TARGET_64BIT, TARGET_ZARCH, TARGET_MVCLE, TARGET_TPF_PROFILING)
6683         (TARGET_NO_FUSED_MADD, TARGET_FUSED_MADD, TARGET_BACKCHAIN)
6684         (TARGET_PACKED_STACK, TARGET_SWITCHES, TARGET_OPTIONS): Delete.
6685         * config/s390/s390.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
6686         (TARGET_HANDLE_OPTION): Likewise.
6687         (s390_tune): Initialize to PROCESSOR_max.
6688         (s390_arch_string): Make static.
6689         (s390_tune_string, s390_warn_framesize_string): Delete.
6690         (s390_warn_dynamicstack_string, s390_stack_size_string): Delete.
6691         (s390_stack_guard_string, s390_warn_dynamicstack_p): Delete.
6692         (s390_handle_arch_option, s390_handle_option): New functions.
6693         (override_options): Remove parsing of option strings.
6694         * config/s390/s390.opt: New file.
6695
6696 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
6697
6698         * tree-complex.c (expand_vector_operations): Call
6699         update_stmt_if_modified.
6700
6701 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
6702
6703         * tree-vect-analyze (vect_determine_vectorization_factor):
6704         Do not use GET_MODE_NUNITS.
6705         * tree-vect-transform.c (vect_get_vec_def_for_operand,
6706         (vectorizable_load, vect_transform_loop): Likewise.
6707
6708 2005-04-11  Uros Bizjak  <uros@kss-loka.si>
6709
6710         * builtins.def (BUILT_IN_LCEIL, BUILT_IN_LCEILF, BUILT_IN_LCEILL)
6711         (BUILT_IN_LLCEIL, BUILT_IN_LLCEILF, BUILT_IN_LLCEILL): New.
6712         * optabs.h (enum optab_index): Add new OTI_lceil.
6713         (lceil_optab): Define corresponding macro.
6714         * optabs.c (init_optabs): Initialize lceil_optab.
6715         * genopinit.c (optabs): Implement lceil_optab using lceilsi2
6716         and lceildi2 patterns.
6717         * builtins.c (expand_builtin_int_roundingfn): Handle
6718         BUILT_IN_LCEIL{,F,L} and BUILT_IN_LLCEIL{,F,L}.
6719         (fold_builtin_int_roundingfn): Handle BUILT_IN_LCEIL{,F,L} and
6720         BUILT_IN_LLCEIL{,F,L}.
6721         (fold_builtin_1): Fold BUILT_IN_LCEIL{,F,L} and
6722         BUILT_IN_LLCEIL{,F,L} using fold_builtin_int_roundingfn.
6723         (mathfn_built_in): Handle BUILT_IN LCEIL and BUILT_IN_LLCEIL.
6724         (expand_builtin): Expand BUILT_IN_LCEIL{,F,L} and
6725         BUILT_IN_LLCEIL{,F,L} using expand_builtin_int_roundingfn.
6726         * convert.c (convert_to_integer): Convert (long int)ceil{,f,l},
6727         into lceil built-in function and (long long int)ceil{,f,l} into
6728         llceil built-in function.
6729         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LCEIL and
6730         BUILT_IN_LLCEIL.
6731
6732 2005-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6733
6734         * pa/quadlib.c (_U_Qfneg): Toggle sign bit instead of subtracting from
6735         zero.
6736
6737 2005-04-10  Kazu Hirata  <kazu@cs.umass.edu>
6738
6739         * config/arm/arm.c: Fix a comment typo.
6740         * doc/tree-ssa.texi: Fix a typo.
6741
6742 2005-04-10  Steven Bosscher  <stevenb@suse.de>
6743
6744         * cselib.c (clear_table): Rename to cselib_clear_table.
6745         * cselib.h (cselib_clear_table): Add prototype.
6746         * gcse.c (gcse_main): Make 'f' argument unused.
6747         (alloc_gcse_mem): Do not walk the insn chain, walk the contents
6748         of each basic block instead.
6749         (compute_sets, compute_hash_table_work): Likewise.
6750         (constprop_register): Change int 'alter_jumps' argument to bool.
6751         (do_local_cprop): Likewise.
6752         (local_cprop_pass): Likewise.  Also walk basic blocks instead of
6753         the insn chain.  Explicitly clear the cselib tables after finishing
6754         one basic block.  Make sure there are no unterminated libcall blocks.
6755         Update compute_sets call.
6756         (cprop): Walk basic blocks instead of the insn chain.
6757         (one_cprop_pass, compute_ld_motion_mems, compute_store_table):
6758         Likewise.
6759         (bypass_jumps): Update alloc_gcse_mem, compute_sets, and
6760         one_cprop_pass calls.
6761
6762 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
6763
6764         * combine.c (combine_simplify_rtx): Remove a transformation that
6765         relies on an invalid assumption about rtl sign-extension semantics.
6766
6767 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
6768
6769         * value-prof.c (tree_divmod_fixed_value_transform): Fix arguments
6770         to build_int_cst_wide.
6771
6772 2005-04-09  Alexandre Oliva  <aoliva@redhat.com>
6773
6774         PR target/20126
6775         * loop.c (loop_givs_rescan): If replacement of DEST_ADDR failed,
6776         set the original address pseudo to the correct value before the
6777         original insn, if possible, and leave the insn alone, otherwise
6778         create a new pseudo, set it and replace it in the insn.
6779         * recog.c (validate_change_maybe_volatile): New.
6780         * recog.h (validate_change_maybe_volatile): Declare.
6781
6782 2005-04-09  Caroline Tice  <ctice@apple.com>
6783
6784         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
6785         Remove targetm.have_named_sections test.
6786         (fix_edges_for_rarely_executed_code): Likewise.
6787         (insert_section_boundary_note): Likewise.
6788         (reorder_basic_blocks): Check partitioning flag before calling
6789         verify_hot_cold_block_grouping.
6790         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
6791         the function struct rather than global variables.
6792         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
6793         (COLD_END_LABEL): Likewise
6794         (cold_text_section_label): New static global variable.
6795         (cold_end_label): Likewise.
6796         (dwarf2out_switch_text_section): Get hot/cold section labels from
6797         the function struct rather than global variables.
6798         (output_aranges): Use cold_text_section_label and cold_end_label;
6799         check partitioning flag before putting out delta.
6800         (output_ranges): Remove incorrect code attempting to use
6801         hot/cold labels.
6802         (output_line_info): Get cold section label from function struct.
6803         (add_location_or_const_value_attribute): Likewise.
6804         (get_subprogram_die): Get hot/cold section labels from function struct.
6805         (dwarf2out_var_location): Likewise.
6806         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
6807         write out cold_text_section_label if partition flag is set.
6808         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
6809         * function.h (struct function): Add new fields to point to hot/cold
6810         section labels: hot_section_label, cold_section_label,
6811         hot_section_end_label and cold_section_end_label; also add new field
6812         for cold text section name, unlikely_text_section_name.
6813         * opts.c (decode_options): Turn off partitioning flag if
6814         !targetm.have_named_sections.
6815         * output.h (hot_section_label): Remove.
6816         (hot_section_end_label): Remove.
6817         (cold_section_end_label): Remove.
6818         (unlikely_section_label): Remove.
6819         (unlikely_text_section_name): Remove.
6820         * passes.c (rest_of_handle_final):  Remove code that frees
6821         unlikely_text_section_name.
6822         * varasm.c (unlikely_section_label): Remove.
6823         (hot_section_label): Remove.
6824         (hot_section_end_label): Remove.
6825         (cold_section_end_label): Remove.
6826         (unlikely_text_section_name):  Remove.
6827         (initialize_cold_section_name): Modify to call
6828         targetm.strip_name_encoding; to store cold section name in current
6829         function struct, if it exists; and to only use the decl_section_name
6830         if flag_named_sections is true.
6831         (unlikely_text_section): Modify to get section name out of current
6832         function struct, if there is one; otherwise build it from
6833         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
6834         (in_unlikely_text_section): Likewise.
6835         (named_section): Modify to get/put cold section name in current function
6836         struct, if there is one.
6837         (function_section):  Change 'bool unlikely' to 'int reloc'; check
6838         targetm.have_named_sections before calling named_section.
6839         (current_function_section): Likewise.
6840         (assemble_start_function): Modify to get/put unlikely_text_section_name
6841         in current function struct; modify to get hot/cold section labels
6842         from function struct; initialize labels using
6843         ASM_GENERATE_INTERNAL_LABEL;
6844         test partitioning flag before writing out hot section label.
6845         (assemble_end_function): Test partitioning flag before writing out
6846         hot/cold section labels.
6847         (default_section_type_flags_1):  Modify to use array instead of
6848          char* for unlikely_text_section_name; set flags correctly for
6849          cold text section if there is not a current function decl.
6850
6851 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
6852
6853         * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
6854         and TI_VA_LIST_FPR_COUNTER_FIELD.
6855         (va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
6856         * tree-pass.h (pass_stdarg): Add.
6857         * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
6858         * tree-stdarg.c: New file.
6859         * tree-stdarg.h: New file.
6860         * Makefile.in (OBJS-common): Add tree-stdarg.o.
6861         (tree-stdarg.o): Add dependencies.
6862         * function.h (struct function): Add va_list_gpr_size and
6863         va_list_fpr_size fields.
6864         * function.c (allocate_struct_function): Initialize them.
6865         * target.h (struct gcc_target): Add stdarg_optimize_hook.
6866         * target-def.h (TARGET_STDARG_OPTIMIZE_HOOK): Define.
6867         (TARGET_INITIALIZER): Add it.
6868
6869         * config/i386/i386.c (ix86_build_builtin_va_list): Initialize
6870         va_list_{g,f}pr_counter_field.
6871         (ix86_setup_incoming_varargs): Don't do anything if reg_save
6872         area will not be used.  Only save registers that tree-stdarg.c
6873         detected they need saving.
6874         (ix86_va_start): Don't set up fields that won't be used.
6875
6876         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
6877         va_list_{g,f}pr_counter_field.
6878         (setup_incoming_varargs): Don't do anything if reg_save
6879         area will not be used.  Only save registers that tree-stdarg.c
6880         detected they need saving.
6881         (rs6000_va_start): Don't set up fields that won't be used.
6882
6883         * config/alpha/alpha.c: Include tree-flow.h and tree-stdarg.h.
6884         (alpha_build_builtin_va_list): Initialize va_list_gpr_counter_field.
6885         (va_list_skip_additions, alpha_stdarg_optimize_hook): New functions.
6886         (TARGET_STDARG_OPTIMIZE_HOOK): Define.
6887
6888 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
6889
6890         PR target/20795
6891         * config/i386/i386.c (construct_container): Pass empty aligned
6892         struct, union or class in memory.
6893
6894 2005-04-09  Kazu Hirata  <kazu@cs.umass.edu>
6895
6896         * dominance.c, gthr-win32.h, reg-stack.c, tree-ssa-copy.c,
6897         tree-ssa-operands.c, tree-ssa.c, tree-vrp.c, varasm.c,
6898         config/alpha/alpha.c, config/arm/arm.c, config/m32r/m32r.h,
6899         config/rs6000/predicates.md: Fix comment typos.
6900
6901         * sched-int.h (haifa_insn_data): Remove blockage and units.
6902         (INSN_UNIT, INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK,
6903         ENCODE_BLOCKAGE, UNIT_BLOCKED, BLOCKAGE_RANGE,
6904         MIN_BLOCKAGE_COST, MAX_BLOCKAGE_COST): Remove.
6905
6906 2005-04-09  Jan Hubicka  <jh@suse.cz>
6907             Steven Bosscher  <stevenb@suse.de>
6908
6909         * cfglayout.c (copy_bbs): Rename n_edges to num_edges.
6910         * cfgloop.c (get_loop_exit_edges): Likewise.
6911         * cfgloopmanip.c (fix_irreducible_loops): Likewise.
6912         (unloop): Likewise.
6913         * loop-unroll.c (analyze_insns_in_loop): Likewise.
6914         * tree-cfg.c (dump_cfg_status): Likewise.
6915
6916 2005-04-09  David Edelsohn  <edelsohn@gnu.org>
6917
6918         * config/rs6000/predicates.md (altivec_register_operand): Remove
6919         redundant match_code test.
6920         (gpc_reg_operand): Same.
6921         (cc_reg_operand): Same.
6922         (cc_reg_not_cr0_operand): Same.
6923
6924 2005-04-09  Jan Hubicka  <jh@suse.cz>
6925
6926         Forgotten hunk from my last merge patch:
6927         * final.c (output_addr_const): Do not call mark_referenced.
6928
6929 2005-04-09  Andrew MacLeod  <amacleod@redhat.com>
6930
6931         * doc/tree-ssa.texi: Add immediate use documentation.
6932
6933 2005-04-09  Richard Earnshaw <richard.earnshaw@arm.com>
6934
6935         * arm.c (FL_WBUF): Define.
6936         (arm_tune_strongarm): Renamed from arm_is_strong.  All uses changed.
6937         (arm_is_6_or_7): Delete.
6938         (arm_tune_wbuf): New.
6939         (arm_override_options): Set arm_tune_wbuf.
6940         * arm.h (arm_tune_strongarm): Renamed from arm_is_strong.
6941         (arm_is_6_or_7): Delete declaration.
6942         (arm_tune_wbuf): New declartion.
6943         * arm.md (is_strongarm): Derive from arm_tune_strongarm.
6944         (model_wbuf): Derive from arm_tune_wbuf.
6945         * arm-cores.def (arm600, arm610, arm620, arm700, arm700i, arm710)
6946         (arm720, arm710c, arm7100, arm7500, arm7500fe, arm710t, arm720t)
6947         (arm740t): Mark CPUs as having a write buffer.
6948
6949 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
6950
6951         * config/i386/i386.md (*fp_jcc_7_387): Use 'const0_operand' instead
6952         of 'const_double_operand' in operand 2 constraints.  Update enable
6953         condition.
6954
6955 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
6956
6957         * builtins.def (BUILT_IN_LFLOOR, BUILT_IN_LFLOORF, BUILT_IN_LFLOORL)
6958         (BUILT_IN_LLFLOOR, BUILT_IN_LLFLOORF, BUILT_IN_LLFLOORL): New.
6959         * optabs.h (enum optab_index): Add new OTI_lfloor.
6960         (lfloor_optab): Define corresponding macro.
6961         * optabs.c (init_optabs): Initialize lfloor_optab.
6962         * genopinit.c (optabs): Implement lfloor_optab using lfloorsi2
6963         and lfloordi2 patterns.
6964         * builtins.c (expand_builtin_int_roundingfn): New prototype.
6965         (expand_builtin_int_roundingfn): New function.
6966         (fold_builtin_int_roundingfn): New prototype.
6967         (fold_builtin_int_roundingfn): New function, renamed from
6968         fold_builtin_lround.
6969         Handle BUILT_IN_LROUND{,F,L}, BUILT_IN_LLROUND{,F,L} and
6970         BUILT_IN_LFLOOR{,F,L}, BUILT_IN_LLFLOOR{,F,L}.
6971         (fold_builtin_1): Fold BUILT_IN_LFLOOR{,F,L} and
6972         BUILT_IN_LLFLOOR{,F,L} using fold_builtin_int_roundingfn.
6973         (mathfn_built_in): Handle BUILT_IN LFLOOR and BUILT_IN_LLFLOOR.
6974         (expand_builtin): Expand BUILT_IN_LFLOOR{,F,L} and
6975         BUILT_IN_LLFLOOR{,F,L} using expand_builtin_int_roundingfn.
6976         * convert.c (convert_to_integer): Convert (long int)floor{,f,l},
6977         into lfloor built-in function and (long long int)floor{,f,l} into
6978         llfloor built-in function.
6979         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LFLOOR and
6980         BUILT_IN_LLFLOOR.
6981
6982 2005-04-08  Ian Lance Taylor  <ian@airs.com>
6983
6984         * c-common.def: Move FOR_STMT, WHILE_STMT, DO_STMT, BREAK_STMT,
6985         CONTINUE_STMT, and SWITCH_STMT to cp/cp-tree.def.
6986         * c-common.h (WHILE_COND, WHILE_BODY): Move to cp/cp-tree.h.
6987         (DO_COND, DO_BODY): Likewise.
6988         (FOR_INIT_STMT, FOR_COND, FOR_EXPR, FOR_BODY): Likewise.
6989         (SWITCH_STMT_COND, SWITCH_STMT_BODY, SWITCH_STMT_TYPE): Likewise.
6990         (c_common_stmt_codes): Remove FOR_STMT, WHILE_STMT, DO_STMT,
6991         BREAK_STMT, CONTINUE_STMT, and SWITCH_STMT.
6992         (build_continue_stmt, build_break_stmt): Don't declare.
6993         (c_do_switch_warnings): Update declaration.
6994         * c-gimplify.c (enum bc_t): Remove.
6995         (struct c_gimplify_ctx, ctxp): Remove.
6996         (push_context, pop_context): Remove static functions.
6997         (c_genericize): Don't call push_context or pop_context.
6998         (begin_bc_block, finish_bc_block): Remove static functions.
6999         (build_bc_goto): Likewise.
7000         (gimplify_c_loop): Likewise.
7001         (gimplify_for_stmt, gimplify_while_stmt): Likewise.
7002         (gimplify_do_stmt, gimplify_switch_stmt): Likewise.
7003         (c_gimplify_expr): Remove handling of FOR_STMT, WHILE_STMT,
7004         DO_STMT, SWITCH_STMT, CONTINUE_STMT, BREAK_STMT.
7005         * c-common.c (c_do_switch_warnings): Rename from
7006         c_do_switch_warnings_1.
7007         (c_do_switch_warnings) [old version]: Remove.
7008         (c_do_switch_expr_warnings): Remove.
7009         * c-typeck.c (c_finish_case): Call new c_do_switch_warnings
7010         function instead of c_do_switch_expr_warnings.
7011         * c-dump.c (c_dump_tree): Remove handling of BREAK_STMT,
7012         CONTINUE_STMT, DO_STMT, FOR_STMT, SWITCH_STMT, and WHILE_STMT.
7013         * c-pretty-print.c (pp_c_statement): Likewise.
7014         * c-semantics.c (build_break_stmt, build_continue_stmt): Remove.
7015
7016 2005-04-08  Devang Patel  <dpatel@apple.com>
7017
7018         * tree-if-conv.c (find_phi_replacement_condition): New parameter, loop.
7019         While selecting replacement condition pay attention to loop header.
7020
7021 2005-04-08  Diego Novillo  <dnovillo@redhat.com>
7022
7023         Merge from tree-cleanup-branch: VRP, store CCP, store
7024             copy-prop, incremental SSA updating of FUD chains and
7025             newly exposed symbols.
7026
7027         * Makefile.in (tree-ssa-copy.o): Depend on tree-ssa-propagate.h.
7028         (OBJS-common): Add tree-vrp.o.
7029         (tree-vrp.o): New rule.
7030         * basic-block.h (nearest_common_dominator_for_set): Declare.
7031         * common.opt (ftree-store-ccp): New flag.
7032         (ftree-copy-prop): New flag.
7033         (ftree-vrp): New flag.
7034         (ftree-store-copy-prop): New flag.
7035         * dominance.c (nearest_common_dominator_for_set): New.
7036         * domwalk.c (walk_dominator_tree): Only traverse
7037         statements in blocks marked in walk_data->interesting_blocks.
7038         * domwalk.h (struct dom_walk_data): Add field interesting_blocks.
7039         * fold-const.c (fold): Handle ASSERT_EXPR.
7040         * opts.c (decode_options): Set flag_tree_copy_prop at -O1.
7041         Set flag_tree_store_ccp, flag_tree_store_copy_prop and
7042         flag_tree_vrp at -O2.
7043         * timevar.def (TV_TREE_VRP): Define.
7044         (TV_TREE_COPY_PROP): Define.
7045         (TV_TREE_STORE_COPY_PROP): Define.
7046         (TV_TREE_SSA_INCREMENTAL): Define.
7047         (TV_TREE_STORE_CCP): Define.
7048         * tree-cfg.c (tree_can_merge_blocks_p): Remove reference
7049         to kill_redundant_phi_nodes from comment.
7050         (verify_expr): Handle ASSERT_EXPR.
7051         * tree-dfa.c (mark_new_vars_to_rename): Remove second
7052         argument.  Update all users.
7053         (mark_call_clobbered_vars_to_rename): Remove.  Update all
7054         users.
7055         * tree-flow-inline.h (unmodifiable_var_p): New.
7056         * tree-flow.h (enum value_range_type): Declare.
7057         (struct value_range_def): Declare.
7058         (value_range): Declare.
7059         (remove_all_phi_nodes_for): Remove.  Update all users.
7060         (find_phi_node_for): Declare.
7061         (add_type_alias): Declare.
7062         (count_uses_and_derefs): Declare.
7063         (kill_redundant_phi_nodes): Remove.
7064         (rewrite_into_ssa): Remove.
7065         (rewrite_def_def_chains): Remove.
7066         (update_ssa, register_new_name_mapping, create_new_def_for,
7067         need_ssa_update_p, name_registered_for_update_p,
7068         release_ssa_name_after_update_ssa, dump_repl_tbl,
7069         debug_repl_tbl, dump_names_replaced_by,
7070         debug_names_replaced_by, mark_sym_for_renaming,
7071         mark_set_for_renaming, get_current_def, set_current_def,
7072         get_value_range, dump_value_range, debug_value_range,
7073         dump_all_value_ranges, debug_all_value_ranges,
7074         expr_computes_nonzero, loop_depth_of_name,
7075         unmodifiable_var_p): Declare.
7076         * tree-gimple.c (is_gimple_formal_tmp_rhs): Handle
7077         ASSERT_EXPR.
7078         * tree-into-ssa.c (block_defs_stack): Update comment.
7079         (old_ssa_names, new_ssa_names, old_virtual_ssa_names,
7080         syms_to_rename, names_to_release, repl_tbl,
7081         need_to_initialize_update_ssa_p, need_to_update_vops_p,
7082         need_to_replace_names_p): New locals.
7083         (NAME_SETS_GROWTH_FACTOR): Define.
7084         (struct repl_map_d): Declare.
7085         (struct mark_def_sites_global_data): Add field
7086         interesting_blocks.
7087         (enum rewrite_mode): Declare.
7088         (REGISTER_DEFS_IN_THIS_STMT): Define.
7089         (compute_global_livein): Use last_basic_block instead of
7090         n_basic_blocks.
7091         (set_def_block): Remove last argument.  Update all callers.
7092         (prepare_use_operand_for_rename): Remove.  Update all callers.
7093         (prepare_def_operand_for_rename): Remove.  Update all callers.
7094         (symbol_marked_for_renaming): New.
7095         (is_old_name): New.
7096         (is_new_name): New.
7097         (repl_map_hash): New.
7098         (repl_map_eq): New.
7099         (repl_map_free): New.
7100         (names_replaced_by): New.
7101         (add_to_repl_tbl): New.
7102         (add_new_name_mapping): New.
7103         (mark_def_sites): Assume that all the operands in the
7104         statement are in normal form.
7105         (find_idf): Assert that the block in the stack is valid.
7106         (get_default_def_for): New.
7107         (insert_phi_nodes_for): Add new argument 'update_p'.
7108         Add documentation.
7109         If update_p is true, add a new mapping between the LHS of
7110         each new PHI and the name that it replaces.
7111         (insert_phi_nodes_1): Only call find_idf if needed.
7112         (get_reaching_def): Call get_default_def_for.
7113         (rewrite_operand): Remove.
7114         (rewrite_stmt): Do nothing if REGISTER_DEFS_IN_THIS_STMT
7115         and REWRITE_THIS_STMT are false.
7116         Assume that all the operands in the statement are in
7117         normal form.
7118         (rewrite_add_phi_arguments): Don't use PHI_REWRITTEN.
7119         (rewrite_virtual_phi_arguments): Remove.
7120         (invalidate_name_tags): Remove.
7121         (register_new_update_single, register_new_update_set,
7122         rewrite_update_init_block, replace_use,
7123         rewrite_update_fini_block, rewrite_update_stmt,
7124         rewrite_update_phi_arguments): New.
7125         rewrite_blocks): Remove argument 'fix_virtual_phis'.
7126         Add arguments 'entry', 'what' and 'blocks'.
7127         Initialize the dominator walker according to 'what' and
7128         'blocks'.
7129         Start the dominator walk at 'entry'.
7130         (mark_def_site_blocks): Add argument 'interesting_blocks'.
7131         Use it to configure the dominator walker.
7132         (rewrite_into_ssa): Remove argument 'all'.
7133         Make internal.
7134         (rewrite_all_into_ssa): Remove.
7135         (rewrite_def_def_chains): Remove.
7136         (mark_def_interesting, mark_use_interesting,
7137         prepare_phi_args_for_update, prepare_block_for_update,
7138         prepare_def_site_for, prepare_def_sites,
7139         dump_names_replaced_by, debug_names_replaced_by,
7140         dump_repl_tbl, debug_repl_tbl, init_update_ssa,
7141         delete_update_ssa, create_new_def_for,
7142         register_new_name_mapping, mark_sym_for_renaming,
7143         mark_set_for_renaming, need_ssa_update_p,
7144         name_registered_for_update_p, ssa_names_to_replace,
7145         release_ssa_name_after_update_ssa,
7146         insert_updated_phi_nodes_for, update_ssa): New.
7147         * tree-loop-linear.c (linear_transform_loops): Call
7148         update_ssa instead of rewrite_into_ssa.
7149         * tree-optimize.c (vars_to_rename): Remove.
7150         Update all users.
7151         (init_tree_optimization_passes): Replace
7152         pass_redundant_phi with pass_copy_prop.
7153         Add pass_vrp.
7154         Replace pass_ccp with pass_store_ccp.
7155         Add pass_store_copy_prop after pass_store_ccp.
7156         (execute_todo): If the TODO_ flags don't include updating
7157         the SSA form, assert that it does not need to be updated.
7158         Call update_ssa instead of rewrite_into_ssa and
7159         rewrite_def_def_chains.
7160         If TODO_verify_loops is set, call verify_loop_closed_ssa.
7161         (tree_rest_of_compilation):
7162         * tree-pass.h (TODO_dump_func, TODO_ggc_collect,
7163         TODO_verify_ssa, TODO_verify_flow, TODO_verify_stmts,
7164         TODO_cleanup_cfg): Renumber.
7165         (TODO_verify_loops, TODO_update_ssa,
7166         TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
7167         TODO_update_ssa_only_virtuals): Define.
7168         (pass_copy_prop, pass_store_ccp, pass_store_copy_prop, pass_vrp):
7169         Declare.
7170         * tree-phinodes.c (make_phi_node): Update documentation.
7171         (remove_all_phi_nodes_for): Remove.
7172         (find_phi_node_for): New.
7173         * tree-pretty-print.c (dump_generic_node): Handle ASSERT_EXPR.
7174         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Likewise.
7175         (interpret_rhs_modify_expr): Likewise.
7176         * tree-sra.c (decide_instantiations): Mark all symbols in
7177         SRA_CANDIDATES for renaming.
7178         (mark_all_v_defs_1): Rename from mark_all_v_defs.
7179         (mark_all_v_defs): New function.  Update all users to call it
7180         with the whole list of scalarized statements, not just the
7181         first one.
7182         * tree-ssa-alias.c (count_ptr_derefs): Make extern.
7183         (compute_flow_insensitive_aliasing): If the tag is
7184         unmodifiable and the variable isn't or vice-versa, don't
7185         make them alias of each other.
7186         (setup_pointers_and_addressables): If the type tag for
7187         VAR is about to change, mark the old one for renaming.
7188         (add_type_alias): New.
7189         * tree-ssa-ccp.c: Document SSA-CCP and STORE-CCP.
7190         (ccp_lattice_t): Rename from latticevalue.
7191         (value): Remove.  Update all users.
7192         (const_val): New local variable.
7193         (do_store_ccp): New local variable.
7194         (dump_lattice_value): Handle UNINITIALIZED.
7195         (debug_lattice_value): New.
7196         (get_default_value): Re-write.
7197         (set_lattice_value): Re-write.
7198         (def_to_varying): Remove.  Update all users.
7199         (likely_value): Return VARYING for statements that make
7200         stores when STORE_CCP is false.
7201         Return VARYING for any statement other than MODIFY_EXPR,
7202         COND_EXPR and SWITCH_EXPR.
7203         (ccp_initialize): Re-write.
7204         (replace_uses_in, replace_vuse_in, substitute_and_fold):
7205         Move to tree-ssa-propagate.c.
7206         (ccp_lattice_meet): Handle memory stores when
7207         DO_STORE_CCP is true.
7208         (ccp_visit_phi_node): Likewise.
7209         (ccp_fold): Likewise.
7210         (evaluate_stmt): Likewise.
7211         (visit_assignment): Likewise.
7212         (ccp_visit_stmt): Likewise.
7213         (execute_ssa_ccp): Add argument 'store_ccp'.  Copy it
7214         into DO_STORE_CCP.
7215         (do_ssa_ccp): New.
7216         (pass_ccp): Use it.
7217         (do_ssa_store_ccp): New.
7218         (gate_store_ccp): New.
7219         (pass_store_ccp): Declare.
7220         * tree-ssa-copy.c: Include tree-ssa-propagate.h.
7221         (may_propagate_copy): Reformat.
7222         Don't abort if ORIG is a virtual and DEST isn't.
7223         If NEW does not have alias information but DEST does,
7224         copy it.
7225         (copy_of, cached_last_copy_of, do_store_copy_prop, enum
7226         copy_prop_kind, which_copy_prop): Declare.
7227         (stmt_may_generate_copy, get_copy_of_val,
7228         get_last_copy_of, set_copy_of_val, dump_copy_of,
7229         copy_prop_visit_assignment, copy_prop_visit_cond_stmt,
7230         copy_prop_visit_stmt, copy_prop_visit_phi_node,
7231         init_copy_prop, fini_copy_prop, execute_copy_prop,
7232         gate_copy_prop, do_copy_prop, gate_store_copy_prop,
7233         store_copy_prop): New.
7234         (pass_copy_prop, pass_store_copy_prop): Declare.
7235         * tree-ssa-dom.c (struct opt_stats_d): Add fields
7236         'num_const_prop' and 'num_copy_prop'.
7237         (cprop_operand): Update them.
7238         (dump_dominator_optimization_stats): Dump them.
7239         (tree_ssa_dominator_optimize): Call update_ssa instead of
7240         rewrite_into_ssa.
7241         (loop_depth_of_name): Declare extern.
7242         (simplify_cond_and_lookup_avail_expr): Guard against NULL
7243         values for LOW or HIGH.
7244         (cprop_into_successor_phis): Only propagate if NEW != ORIG.
7245         (record_equivalences_from_stmt): Call expr_computes_nonzero.
7246         (cprop_operand): Only propagate if VAL != OP.
7247         * tree-ssa-dse.c (dse_optimize_stmt): Mark symbols in removed
7248         statement for renaming.
7249         * tree-ssa-loop-im.c (move_computations): Call update_ssa.
7250         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call
7251         add_type_alias if necessary.
7252         Call mark_new_vars_to_rename.
7253         (tree_ssa_iv_optimize): If new symbols need to be renamed,
7254         mark every statement updated, call update_ssa and
7255         rewrite_into_loop_closed_ssa.
7256         * tree-ssa-loop-manip.c (add_exit_phis): Do not remove DEF_BB
7257         from LIVEIN if VAR is a virtual.
7258         * tree-ssa-loop.c (tree_loop_optimizer_init): Call update_ssa.
7259         * tree-ssa-operands.c (get_expr_operands): Handle ASSERT_EXPR.
7260         (get_call_expr_operands): Reformat statement.
7261         (add_stmt_operand): Don't create V_MAY_DEFs for read-only
7262         symbols.
7263         * tree-ssa-propagate.c (ssa_prop_init): Initialize
7264         SSA_NAME_VALUE for every name.
7265         (first_vdef, stmt_makes_single_load, stmt_makes_single_store,
7266         get_value_loaded_by): New.
7267         (replace_uses_in, replace_vuses_in, replace_phi_args_in,
7268         substitute_and_fold): Move from tree-ssa-ccp.c.
7269         * tree-ssa-propagate.h (struct prop_value_d, prop_value_t,
7270         first_vdef, stmt_makes_single_load, stmt_makes_single_store,
7271         get_value_loaded_by, replace_uses_in, substitute_and_fold):
7272         Declare.
7273         * tree-ssa.c (verify_use): Fix error message.
7274         (propagate_into_addr, replace_immediate_uses, get_eq_name,
7275         check_phi_redundancy, kill_redundant_phi_nodes,
7276         pass_redundant_phi): Remove.  Update all users.
7277         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
7278         add_type_alias, if necessary.
7279         * tree-vectorizer.h (struct _stmt_vect_info): Update
7280         documentation for field 'memtag'.
7281         * tree-vrp.c: New file.
7282         * tree.def (ASSERT_EXPR): Define.
7283         * tree.h (ASSERT_EXPR_VAR): Define.
7284         (ASSERT_EXPR_COND): Define.
7285         (SSA_NAME_VALUE_RANGE): Define.
7286         (struct tree_ssa_name): Add field 'value_range'.
7287         (PHI_REWRITTEN): Remove.
7288         (struct tree_phi_node): Remove field 'rewritten'.
7289         * doc/invoke.texi (-fdump-tree-storeccp, -ftree-copy-prop,
7290         -ftree-store-copy-prop): Document.
7291         * doc/tree-ssa.texi: Remove broken link to McCAT's compiler.
7292         Document usage of update_ssa.
7293
7294 2005-04-08  David Edelsohn  <edelsohn@gnu.org>
7295
7296         PR target/20814
7297         * config/rs6000/predicates.md (altivec_register_operand): Accept
7298         SUBREG.
7299         (and64_operand): Do not limit CONST_INT to mask64_operand.
7300         (and64_2_operand): Do not limit CONST_INT to mask64_1or2_operand.
7301         (and_operand): Do not limit CONST_INT to mask_operand.
7302
7303 2005-04-09  Hans-Peter Nilsson  <hp@axis.com>
7304
7305         PR rtl-optimization/20466
7306         * flow.c (invalidate_mems_from_set): Handle a MEM by checking it
7307         for overlap of the address of each list member.
7308         (mark_set_1): Call invalidate_mems_from_set for MEMs too.
7309
7310 2005-04-08  Mike Stump  <mrs@apple.com>
7311
7312         * config/darwin.c (indirect_data): Fix typo in strncmp logic.
7313
7314         * config/rs6000/rs6000.c (rs6000_emit_prologue): Use 5 nops,
7315         instead of 4.
7316
7317 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
7318
7319         * c-tree.h (C_LANG_TREE_NODE_CHAIN_NEXT): Remove.
7320
7321         * function.c (push_function_context_to): Don't set
7322         contains_functions.
7323         * function.h (function): Remove contains_functions.
7324         (current_function_contains_functions): Remove.
7325
7326         * function.h (function): Remove instrument_entry_exit.
7327         (current_function_instrument_entry_exit): Remove.
7328
7329         * function.h (nonlocal_labels): Remove.
7330
7331         * tree.h (STRIP_MAIN_TYPE_NOPS): Remove.
7332
7333         * genattrtab.c (attr_desc): Remove negative_ok and unsigned_p.
7334         (check_attr_value, write_attr_get, write_expr_attr_cache,
7335         find_attr, make_internal_attr): Don't reference negative_ok or
7336         unsigned_p.
7337         * genattrtab.h (ATTR_NEGATIVE_OK, ATTR_UNSIGNED,
7338         ATTR_FUNC_UNITS, ATTR_BLOCKAGE): Remove.
7339         (ATTR_STATIC): Adjust the value.
7340
7341         * c-common.h (C_ARTIFICIAL_STRING_P): Remove.
7342
7343 2005-04-08  Ulrich Weigand  <uweigand@de.ibm.com>
7344
7345         * config/s390/tpf.h (ASM_SPEC): Define.
7346
7347 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
7348
7349         * tree-flow.h: Remove the prototype for
7350         redirect_immediate_uses.
7351         (TDFA_USE_OPS, TDFA_USE_VOPS): Remove.
7352
7353 2005-04-08  Richard Earnshaw  <richard.earnshaw@arm.com>
7354
7355         * arm.c (arm_const_double_by_parts): New function.
7356         * arm-protos.h (arm_const_double_by_parts): Add prototype.
7357         * arm.md (define_split for 64-bit constants): Add another one.
7358
7359 2005-04-08  Andrew MacLeod  <amacleod@redhat.com>
7360
7361         * tree-ssa-operands.c (correct_use_link): Remove linear scan.
7362
7363 2005-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7364
7365         * system.h: Revert last change.
7366
7367 2005-04-08  Richard Sandiford  <rsandifo@redhat.com>
7368
7369         * config/xtensa/xtensa.h (target_flags, MASK_NO_FUSED_MADD)
7370         (MASK_CONST16, TARGET_NO_FUSED_MADD, TARGET_CONST16)
7371         (TARGET_SWITCHES): Delete.
7372         * config/xtensa/xtensa.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
7373         * config/xtensa/xtensa.md (muladdsf3, mulsubsf3): Check
7374         TARGET_FUSED_MADD instead of !TARGET_NO_FUSED_MADD.
7375         * config/xtensa/xtensa.opt: New file.
7376
7377 2005-04-08  Ben Elliston  <bje@au.ibm.com>
7378
7379         * config/fp-bit.c: Include L_mul_tf in #endif comment.
7380         * config/fp-bit.h: Tidy comments.
7381
7382 2005-04-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7383
7384         * system.h: Poison PARAMS.
7385
7386 2005-04-07  Richard Sandiford  <rsandifo@redhat.com>
7387
7388         * config/vax/vax.h (target_flags, MASK_UNIX_ASM, MASK_VAXC_ALIGNMENT)
7389         (MASK_G_FLOAT, TARGET_UNIX_ASM, TARGET_VAXC_ALIGNMENT, TARGET_G_FLOAT)
7390         (TARGET_SWITCHES): Delete.
7391         * config/vax/vax.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
7392         * config/vax/vax.opt: New file.
7393
7394 2005-04-07  Daniel Berlin  <dberlin@dberlin.org>
7395
7396         * tree-ssa-dse.c (dse_optimize_stmt): Fix incorrect comment.
7397
7398 2005-04-07  Ian Lance Taylor  <ian@airs.com>
7399
7400         * config/iq2000/iq2000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Don't
7401         define.
7402         * config/mips/mips.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
7403         * config/sparc/sparc.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE):
7404         Likewise.
7405
7406 2005-04-07  Kazu Hirata  <kazu@cs.umass.edu>
7407
7408         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Consider
7409         all immediate uses in PHI nodes.
7410
7411 2005-04-07  Richard Earnshaw  <richard.earnshaw@arm.com>
7412
7413         * arm.c (arm_const_double_inline_cost): Handle any constant by
7414         using gen_lowpart and gen_highpart_mode.
7415         (note_invalid_constants): All constants in an RTX with a constraint
7416         that permits memory are now pushed to the constant pool.
7417         (output_move_double): Delete code to handle reg to reg and
7418         constant to reg moves.
7419         (const_double_needs_minipool, output_mov_immediate): Delete.
7420         * arm.h (EXTRA_CONSTRAINT_STR_ARM): All 'D' variants now handle
7421         CONST_INT and CONST_VECTOR.
7422         * arm.md (ANY64): New mode macro.
7423         (arm_movdi): Split reg-reg and const-reg moves.  Simplify constraints.
7424         (movdf_soft_insn): Split reg-reg and const-reg moves.
7425         (split patterns for 64-bit constant and register moves): New.
7426         * cirrus.md (cirrus_arm_movdi): Split reg-reg and const-reg moves.
7427         (cirrus_movdf_hard_insn): Likewise.
7428         * fpa.md (movdf_fpa): Likewise.
7429         * iwmmxt.md (iwmmxt_arm_movdi): Likewise.
7430         (movv8qi_internal, movv4hi_internal, movv2si_internal): Fix
7431         constraints.
7432         (movv2si_internal_2): Likewise.
7433         * vfp.md (arm_movdi_vfp): Split reg-reg and const-reg moves.
7434         (movdf_vfp): Likewise.
7435         * arm-protos.h (output_mov_immediate): Delete prototype.
7436
7437 2005-04-07  Joseph S. Myers  <joseph@codesourcery.com>
7438
7439         PR target/20093
7440         * simplify-rtx.c (simplify_unary_operation_1): Check
7441         SUBREG_PROMOTED_UNSIGNED_P (op) > 0 for zero-extension.
7442
7443 2005-04-06  James E Wilson  <wilson@specifixinc.com>
7444
7445         PR target/20717
7446         * cgraphunit.c (record_call_1, case FDESC_EXPR): Handle same as
7447         ADDR_EXPR.
7448
7449 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
7450
7451         * coverage.h (GCOV_TYPE_NODE): Delete.
7452         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref)
7453         (build_ctr_info_type): Use get_gcov_type () instead of GCOV_TYPE_NODE.
7454         * tree-profile.c (tree_gen_edge_profiler, tree_gen_interval_profiler)
7455         (tree_gen_pow2_profiler, tree_gen_one_value_profiler): Likewise.
7456         * value-prof.c (tree_divmod_fixed_value_transform): Delete.
7457
7458 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
7459
7460         PR other/20792
7461         * Makefile.in (gcc.pot): Remove options.c dependency.
7462         * optc-gen.awk: Don't quote help strings with N_().
7463
7464 2005-04-06  James A. Morrison  <phython@gcc.gnu.org>
7465
7466         * c-common.c (handle_malloc_atttribute): Only set DECL_IS_MALLOC if
7467         the function returns a pointer type.
7468
7469 2005-04-06  Daniel Berlin  <dberlin@dberlin.org>
7470
7471         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): New
7472         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): New
7473         * doc/invoke.texi: Documnet salias-max-implicit-fields.
7474         * tree-ssa-alias.c (struct used_part): Add implicit_uses and
7475         explicit_uses members.
7476         (get_or_create_used_part_for): Initialize new fields.
7477         (fieldoff_compare): New function.
7478         (create_overlap_variables_for): Count number of fields, use
7479         heuristic to determine whether to create subvars for vars with
7480         only implicit uses.
7481         Sort the field list by offset and avoid creating duplicate SFT's.
7482
7483 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
7484
7485         * c.opt (-F): Remove trailing whitespace from help string.
7486         (-finput-charset): Use a tab to separate the switch name and help
7487         string.
7488         * common.opt (-fsched-stalled-insns, -fsched-stalled-insns-dep)
7489         (-ftree-vectorizer-verbose): Likewise.
7490
7491 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
7492
7493         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Look at
7494         a PHI argument where a use occurs instead of all PHI arguments.
7495
7496 2005-04-06  Joseph S. Myers  <joseph@codesourcery.com>
7497
7498         * c-decl.c (finish_decl): Apply pending #pragma weak regardless of
7499         scope.
7500
7501 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
7502
7503         * cse.c, tree-flow-inline.h, tree-flow.h, tree-ssa-operands.c,
7504         tree-ssa-sink.c, tree.h, config/bfin/bfin.c,
7505         config/bfin/bfin.h: Fix comment typos.
7506
7507 2005-04-06  Ranjit Mathew  <rmathew@hotmail.com>
7508
7509         * doc/install.texi: Update the URL for Jacks.
7510         * doc/sourcebuild.texi: Likewise.
7511
7512 2005-04-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
7513
7514         PR target/17245
7515         * config/sparc/sparc.c (legitimate_address_p): Remove 'imm2'.
7516         Revert 2004-10-08 patch.  Reject TFmode LO_SUM in 32-bit mode.
7517
7518 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
7519
7520         * Makefile.in (LIBGCC2_CFLAGS): Revert -pipe change.
7521
7522 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
7523
7524         * config/v850/v850-protos.h (override_options): Delete.
7525         * config/v850/v850.h (target_flags, MASK_GHS, MASK_LONG_CALLS, MASK_EP)
7526         (MASK_PROLOG_FUNCTION, MASK_DEBUG, MASK_V850, MASK_V850E)
7527         (MASK_SMALL_SLD, MASK_BIG_SWITCH, MASK_NO_APP_REGS, MASK_DISABLE_CALLT)
7528         (MASK_STRICT_ALIGN, MASK_US_BIT_SET, MASK_US_MASK_SET, TARGET_GHS)
7529         (TARGET_LONG_CALLS, TARGET_EP, TARGET_PROLOG_FUNCTION, TARGET_V850)
7530         (TARGET_BIG_SWITCH, TARGET_DEBUG, TARGET_V850E, TARGET_US_BIT_SET)
7531         (TARGET_SMALL_SLD, TARGET_DISABLE_CALLT, TARGET_NO_APP_REGS)
7532         (TARGET_STRICT_ALIGN, TARGET_SWITCHES, TARGET_OPTIONS)
7533         (OVERRIDE_OPTIONS): Delete.
7534         (MASK_CPU): Redefine as MASK_V850 | MASK_V850E.
7535         (small_memory_info): Remove the value field.
7536         (CONDITIONAL_REGISTER_USAGE): Check !TARGET_APP_REGS rather than
7537         TARGET_NO_APP_REGS.
7538         * config/v850/v850.c (small_memory): Remove the value field.
7539         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
7540         (override_options): Delete.
7541         (v850_handle_memory_option, v850_handle_option): New functions.
7542         * config/v850/v850.opt: New file.
7543
7544 2005-04-06  Geoffrey Keating  <geoffk@apple.com>
7545
7546         * config.host: Add a section for generic hosts, and a subsection
7547         for Darwin.  Add a case for x86-darwin.  Update ppc-darwin case.
7548         * config/host-darwin.c: New, split out of config/rs6000/host-darwin.c.
7549         * config/host-darwin.h: New.
7550         * config/x-darwin: New.
7551         * config/i386/host-i386-darwin.c: New.
7552         * config/i386/x-darwin: New.
7553         * config/rs6000/host-darwin.c: Include host-darwin.h.
7554         (darwin_rs6000_gt_pch_get_address): Move to config/host-darwin.c.
7555         (darwin_rs6000_gt_pch_use_address): Likewise.
7556         * config/rs6000/x-darwin: Change name of .o built, update
7557         dependencies for changes to rs6000/host-darwin.c.
7558
7559 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
7560
7561         PR target/17824
7562         * config/c4x/c4x.h (ASM_PROG, LD_PROG): Remove.
7563
7564 2005-04-06  Dorit Naishlos  <dorit@il.ibm.com>
7565
7566         * tree-vect-analyze.c (vect_analyze_loop_form): Call
7567         split_loop_exit_edge instead of loop_split_edge_with.
7568
7569 2005-04-06  Paolo Bonzini  <bonzini@gnu.org>
7570
7571         * config/rs6000/altivec.md (UNSPEC_VSLW, UNSPEC_SUBS,
7572         UNSPEC_SET_VSCR): New constants, used throughout.
7573         (*andc3_v4sf): New.
7574         (altivec_vspltisb, altivec_vsplitish, altivec_vsplitisw):
7575         Replace with...
7576         (altivec_vspltis<VI_char>): ... this pattern, using
7577         a QImode const_int_operand for the immediate.
7578         (abs<mode>2, absv4sf2, altivec_abss_<mode>): Rewrite as
7579         define_expands.
7580
7581 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
7582
7583         PR target/17822
7584         * config/avr/t-avr (AR_FOR_TARGET,RANLIB_FOR_TARGET): Remove.
7585
7586 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
7587
7588         * Makefile.in (LIBGCC2_CFLAGS): Compile with -pipe.
7589
7590 2005-04-06  Ben Elliston  <bje@au.ibm.com>
7591
7592         * gcc.c: Correct comment about DEFAULT_SWITCH_TAKES_ARG and
7593         DEFAULT_WORD_SWITCH_TAKES_ARG which incorrectly reported these
7594         macros as living in "this file" and not gcc.h.
7595
7596 2005-04-06  Ben Elliston  <bje@au.ibm.com>
7597
7598         * doc/invoke.texi (Optimize Options): Mention -ftree-lrs, not
7599         -ftree-live_range_split.  Perhaps renamed at some point?
7600
7601 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
7602
7603         PR target/20625
7604         * tree-ssa-loop-ivopts.c (generic_type_for): New function.
7605         (add_candidate_1): Use generic_type_for instead of unsigned_type_for.
7606
7607 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
7608
7609         * tree-flow.h (number_of_iterations_cond): Declaration removed.
7610         * tree-ssa-loop-niter.c (number_of_iterations_cond): Made static.
7611         (number_of_iterations_special): New function.
7612         (number_of_iterations_exit): Use number_of_iterations_special.
7613         Use simplify_using_outer_evolutions only at -O3.
7614         (number_of_iterations_cond, tree_simplify_using_condition,
7615         simplify_using_initial_conditions, loop_niter_by_eval,
7616         compare_trees, can_count_iv_in_wider_type_bound,
7617         simplify_using_outer_evolutions): Use fold_build.
7618
7619 2005-04-05  Thomas Fitzsimmons  <fitzsim@redhat.com>
7620
7621         * doc/install.texi (Configuration): Document --with-java-home.
7622
7623 2005-04-05  Richard Henderson  <rth@redhat.com>
7624
7625         PR target/20342
7626         PR target/20447
7627         * config/i386/i386.c (print_operand): Handle vector zeros.
7628         (ix86_split_to_parts): Handle CONST_VECTOR.
7629         (ix86_hard_regno_mode_ok): Allow MMX modes in general regs.
7630         (ix86_modes_tieable_p): Use ix86_hard_regno_mode_ok to decide
7631         what modes to tie for MMX and SSE registers.
7632         * config/i386/i386.h (MMX_REG_MODE_P): Remove.
7633         * config/i386/i386.md: Extend move 0 -> xor peephole to apply
7634         to vector modes as well.
7635         * config/i386/predicates.md (const0_operand): Handle VOIDmode
7636         properly as an input mode.
7637
7638 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
7639
7640         * tree-ssa-operands.c (verify_abort): Use %p for pointers.
7641
7642 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
7643
7644         * tree-pretty-print.c (dump_generic_node): Use %p for pointer.
7645
7646 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
7647
7648         * config/i386/i386.c (init_cumulative_args): For -m32 -mfpmath=sse
7649         and local functions, set sse_nregs to 8 and float_in_sse.
7650         (function_arg_advance, function_arg): If float_in_sse, pass
7651         SFmode and DFmode arguments in SSE registers.
7652         * config/i386/i386.h (CUMULATIVE_ARGS): Add float_in_sse field.
7653
7654         * config/i386/i386.c (ix86_value_regno): Only optimize local functions
7655         of -funit-at-a-time.
7656
7657 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
7658
7659         * config/i386/i386-protos.h (ix86_function_value): Accept two
7660         arguments, like the target macro.
7661         * config/i386/i386.h (FUNCTION_VALUE): Pass both arguments.
7662         * config/i386/i386.c (ix86_function_value): Accept the second
7663         argument of the target macro.
7664         (ix86_function_ok_for_sibcall): Pass a function pointer to
7665         ix86_function_value.
7666         (ix86_function_value, ix86_libcall_value) [!TARGET_64BIT]: Adjust
7667         call to ix86_value_regno).
7668         (ix86_value_regno): Add support for returning floating point values
7669         in SSE registers.
7670
7671 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
7672
7673         PR tree-optimization/20076
7674         * tree-inline.c (inline_forbidden_p_1): Prevent inlining functions
7675         that call __builtin_return or __builtin_apply_args.
7676
7677 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
7678
7679         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use update_stmt.
7680         Use immediate use iterator.
7681         (stmt_is_bumper_for_loop): Use immediate use iterator.
7682         * predict.c (strip_builtin_expect): Use update_stmt.
7683         * tree-cfg.c (update_modified_stmts): New. Call update_stmt_if_modified
7684         on all elements of a STATEMENT_LIST.
7685         (bsi_insert_before, bsi_insert_after): Call update_modified_stmts.
7686         (bsi_remove): Remove imm_use links and mark the stmt as modified.
7687         (bsi_replace): Mark stmt as modified and the update it.
7688         * tree-complex.c (update_complex_assignment): Call mark_stmt_modified.
7689         (expand_complex_libcal): Call update_stmt.
7690         (expand_complex_comparison): Call mark_stmt_modified.
7691         (expand_complex_operations_1): Call update_stmt_if_modified.
7692         (expand_vector_operations_1): Call mark_stmt_modified.
7693         * tree-dfa.c (compute_immediate_uses, free_df_for_stmt, free_df,
7694         compute_immediate_uses_for_phi, compute_immediate_uses_for_stmt,
7695         add_immediate_use, redirect_immediate_use,
7696         redirect_immediate_uses, dump_immediate_uses, debug_immediate_uses,
7697         dump_immediate_uses_for, debug_immediate_uses_for): Delete.
7698         (mark_new_vars_to_rename): Call update_stmt.
7699         * tree-dump.c (dump_option_value_in): Add "stmtaddr".
7700         * tree-flow-inline.h (modify_stmt): Rename to mark_stmt_modified.
7701         Ignore PHI nodes.
7702         (unmodify_stmt): Delete.
7703         (update_stmt): New.  Force an update of a stmt.
7704         (update_stmt_if_modified): update a stmt if it is out of date.
7705         (get_stmt_operands): Verify stmt is NOT modified.
7706         (stmt_modified_p): Update comment.
7707         (delink_imm_use): Remove a use node from its immuse list.
7708         (link_imm_use_to_list): Link a use node to a specific list.
7709         (link_imm_use): Link a node to the correct list.
7710         (set_ssa_use_from_ptr): Set a use node to a specific value, and insert
7711         it in the correct list, if appropriate.
7712         (link_imm_use_stmt): Link a use node, and set the stmt pointer.
7713         (relink_imm_use): Link a use node in place of another node in a list.
7714         (relink_imm_use_stmt): LInk a node in place of another node, and set
7715         the stmt pointer.
7716         (end_safe_imm_use_traverse): New.  Terminate a safe immuse iterator.
7717         (end_safe_imm_use_p): New.  Check for the end of a safe immuse iterator.
7718         (first_safe_imm_use): New.  Initialize a safe immuse iterator.
7719         (next_safe_imm_use): New.  Proceed to next safe immuse iterator value.
7720         (end_readonly_imm_use_p): New.  Check for end of a fast immuse iterator.
7721         (first_readonly_imm_use): New.  Initialize a fast immuse iterator.
7722         (next_readonly_imm_use): New.  Get the next fast immuse iterator value.
7723         (has_zero_uses): New.  Return true if there are no uses of a var.
7724         (has_single_use): New.  Return true if there is only a single use of a
7725         variable.
7726         (single_imm_use): New.  Return the simgle immediate use.
7727         (num_imm_uses): New.  Return the number of immediate uses.
7728         (get_v_must_def_ops): Use is now a pointer.
7729         (use_operand_p, get_v_may_def_op_ptr, get_vuse_op_ptr,
7730         get_v_must_def_kill_ptr, get_phi_arg_def_ptr): Return the address of
7731         the use node.
7732         (get_immediate_uses, num_immediate_uses, immediate_use): Delete.
7733         (delink_stmt_imm_use): Delink all immuses from a stmt.
7734         (phi_arg_index_from_use): New.  Return a phi arg index for a use.
7735         * tree-flow.h (struct dataflow_d): Delete.
7736         (immediate_use_iterator_d): New.  Immediate use iterator struct.
7737         (FOR_EACH_IMM_USE_FAST): New.  Macro for read only immuse iteration.
7738         (FOR_EACH_IMM_USE_SAFE): New.  Macro for write-safe immuse iteration.
7739         (BREAK_FROM_SAFE_IMM_USE): New.  Macro for earlyu exit from write-safe
7740         iteration.
7741         (struct stmt_ann_d): Remove dataflow_t from struct.
7742         * tree-if-conv.c (tree_if_conversion).  Don't call free_df.
7743         (if_convertible_phi_p): Use FAST immuse iterator.
7744         (if_convertible_loop_p): Don't call compute_immediate_uses.
7745         (replace_phi_with_cond_modify_expr): Call update_stmt.
7746         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites): Call
7747         update_stmt_if_modified.
7748         (rewrite_all_into_ssa): Initialize ssa operands.
7749         * tree-loop-linear.c (linear_transform_loops): Don't call free_df or
7750         compute_immediate_uses.
7751         * tree-optimize.c (execute_todo): Call verify_ssa whenever the
7752         ssa_property is available.
7753         (execute_one_pass):  Change parameters passed to execute_todo.
7754         * tree-outof-ssa.c (rewrite_trees): Don't call modify_stmt.
7755         (remove_ssa_form): Call fini_ssa_operands.
7756         (insert_backedge_copies): Delete call to modify_stmt.
7757         * tree-phinodes.c (make_phi_node): Initialize use nodes.
7758         (release_phi_node): Delink any use nodes before releasing.
7759         (resize_phi_node): Relink any use nodes.
7760         (remove_phi_arg_num): Delink the use node.
7761         (remove_phi_node): Release the ssa_name AFTER releasing the phi node.
7762         (remove_all_phi_nodes_for): Release phi node first.
7763         * tree-pretty-print.c (dump_generic_node): Print stmt address.
7764         * tree-sra.c (mark_all_v_defs): Call update_stmt_if_modified.
7765         (scalarize_use, scalarize_copy): Call update_stmt.
7766         * tree-ssa-alias.c (compute_may_aliases): Update all modified stmts.
7767         (compute_points_to_and_addr_escape): Call mark_stmt_modified.
7768         * tree-ssa-cpp.c (need_imm_uses_for): Delete.
7769         (ccp_initialize): Remove call to compute_immediate_uses.
7770         (substitute_and_fold, execute_fold_all_builtins): Call update_stmt.
7771         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update all modified
7772         stmts.
7773         (simplify_cond_and_lookup_avail_expr): Call mark_stmt_modified.
7774         (simplify_switch_and_lookup_avail_expr): Call mark_stmt_modified.
7775         (eliminate_redundant_computations): Call mark_stmt_modified.
7776         (cprop_operand): Call mark_stmt_modified.
7777         (optimize_stmt): Call update_stmt_if_modified and mark_stmt_modified.
7778         * tree-ssa-dse.c (fix_phi_uses, fix_stmt_v_may_defs): Delete.
7779         (dse_optimize_stmt): Use new immuse interface.
7780         (tree_ssa_dse): Remove calls to compute_immediate_uses and free_df.
7781         * tree-ssa-forwprop.c (need_imm_uses_for): Delete.
7782         (substitute_single_use_vars): Use new immuse interface.
7783         (tree_ssa_forward_propagate_single_use_vars): Remove calls to free_df
7784         and compute_immediate_uses.
7785         * tree-ssa-loop-im.c (single_reachable_address): Use new immuse
7786         interface.
7787         (rewrite_mem_refs): Call update_stmt.
7788         (determine_lsm): Remove call to compute_imm_uses and free_df.
7789         * tree-ssa-loop-ivcanon.c (create_canonical_iv): Call update_stmt.
7790         (try_unroll_loop_completely): Call update_stmt.
7791         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call update_stmt.
7792         (rewrite_use_compare): Call update_stmt.
7793         (compute_phi_arg_on_exit): Insert each stmt before trying to process.
7794         (rewrite_use) : Call update_stmt.
7795         * tree-ssa-loop-manip.c (verify_loop_closed_ssa): Add arg to call.
7796         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Call
7797         update_stmt.
7798         * tree-ssa-operands.c (NULL_USE_OPERAND_P): Remove declaration.
7799         (allocate_use_optype, allocate_vuse_optype): Adjust allocation size.
7800         (free_uses, free_vuses, free_v_may_defs, free_v_must_defs): Delink
7801         use nodes.
7802         (initialize_vuse_operand): New.  Initialize a vuse operand.
7803         (initialize_v_may_def_operand): New.  Initialize a maydef operand.
7804         (initialize_v_must_def_operand): New.  Initialize a mustdef operand.
7805         (finalize_ssa_defs): Use stmt parameter.
7806         (correct_use_link): Ensure a use node is in the correct list, and has
7807         the correct stmt pointer.
7808         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_vuses,
7809         finalize_ssa_v_must_defs): Also initialize use nodes.
7810         (finalize_ssa_stmt_operands): Pass extra stmt operands.
7811         (build_ssa_operands): Seperate parsing from final operand construction.
7812         (parse_ssa_operands): New.  Parse entry point for operand building.
7813         (swap_tree_operands): New.  Swap 2 tree operands.
7814         (update_stmt_operands): Ranamed from get_stmt_operands.  Always builds
7815         operands.
7816         (get_expr_operands): Call swap_tree_operands when needed.
7817         (copy_virtual_operands): Use initialize routines for virtual use ops.
7818         (create_ssa_artficial_load_stmt): Add extra stmt parameter.
7819         (verify_abort): New.  Issue imm_use error.
7820         (verify_imm_links): New Verify imm_use links for a var.
7821         (dump_immediate_uses_for): New.  Dump imm_uses for a var to file.
7822         (dump_immediate_uses): New.  Dump imm_uses for all vars to file.
7823         (debug_immediate_uses): New.  Dump imm_uses for all vars to stderr.
7824         (debug_immediate_uses_for): New.  Dump imm_uses for a var to stderr.
7825         * tree-ssa-operands.h (struct use_operand_ptr): Delete.
7826         (NULL_USE_OPERAND_P) Define.
7827         (use_optype_d, v_def_use_operand_type, vuse_optype_d): Add immediate
7828         use node.
7829         (struct vuse_operand_type): New struct.
7830         (SET_USE): Call set_ssa_use_from_ptr.
7831         (USE_STMT): Define.
7832         (PHI_ARG_INDEX_FROM_USE): Define.
7833         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Set the phi
7834         argument via SET_USE, not PHI_ARG_DEF_TREE.
7835         * tree-ssa-pre.c (eliminate): Call update_stmt.
7836         * tree-ssa-propagate.c (cfg_blocks_get): Use imm_use iterators.  Don't
7837         call free_df.
7838         * tree-ssa-sink.c (all_immediate_uses_same_place): Use imm_use iterator.
7839         (nearest_common_dominator_of_uses): Use imm_use iterator.
7840         (statement_sink_location): Use imm_use iterator and interface.
7841         (execute_sink_code): Don't call compute_immediate_uses or free-df.
7842         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis): Use
7843         PHI_ARG_DEF, not PHI_ARG_DEF_TREE.
7844         * tree-ssa.c (verify_use, verify_phi_args): Verify some imm_use info.
7845         (verify_ssa): Ensure no stmt is marked modify after optimization pass
7846         if new parameter is true.
7847         (init_tree_ssa): Don't initialize operand cache here.
7848         (delete_tree_ssa): Don't destroy operand cache here.
7849         (propagate_into_addr): Pass in a use pointer, return true if anything
7850         was changed.
7851         (replace_immediate_uses): Use imm_use iterator, call update_stmt.
7852         (check_phi_redundancy): Use imm_use iterator.
7853         (kill_redundant_phi_nodes): Don't call compute_immediate_uses or
7854         free_df.
7855         * tree-ssanames.c (make_ssa_name): Initialize imm_use node.
7856         (release_ssa_name): Delink node and all elements in its imm_use list.
7857         * tree-tailcall.c (adjust_return_value): Call update_stmt.
7858         * tree-vect-analyze.c (vect_stmt_relevant_p): Use imm_use iterator.
7859         * tree-vectorizer.c (need_imm_uses_for): Delete.
7860         (vectorize_loops): Dont call compute_immediate_uses or free_df.
7861         * tree.h (struct ssa_imm_use_d): Define.
7862         (SSA_NAME_IMM_USE_NODE): Define.
7863         (struct tree_ssa_name): Add imm_use node.
7864         (PHI_DF): Delete.
7865         (PHI_ARG_IMM_USE_NODE): Define.
7866         (struct phi_arg_d): Add imm_use node.
7867         (struct tree_phi_node): Remove struct dataflow_d element.
7868         (TDF_STMTADDR): Define.
7869
7870 2005-04-05  Dale Johannesen  <dalej@apple.com>
7871
7872         * doc/invoke.texi (Optimization Options):  Remove
7873         duplicate -fcse-follow-jumps.  Add -fweb.
7874         (-ftree-lim):  Fix spelling (-ftree-loop-im, invariants).
7875         (-fivcanon):  Fix spelling (-ftree-loop-ivcanon).
7876
7877 2005-04-05  Per Bothner  <per@bothner.com>
7878
7879         * tree-ssa.c (execute_early_warn_uninitialized): Pass context node
7880         to talk_tree as 'data' parameter, rather than EXPR_LOCUS.
7881         (warn_uninit): Get EXPR_LOCUS from context now instead.
7882         This fixes a USE_MAPPED_LOCATION testsuite failure.
7883
7884         * tree-ssa.c (warn_uninitialized_var): Remove useless local.
7885
7886 2005-04-05  Per Bothner  <per@bothner.com>
7887
7888         * c-decl.c (finish_function): If USE_MAPPED_LOCATION set the location
7889         of the artification 'return 0' in main() to BUILTINS_LOCATION.
7890         * tree-cfg.c (remove_bb): Check that location isn't BUILTINS_LOCATION
7891         before warning.
7892
7893 2004-04-05  Devang Patel  <dpatel@apple.com>
7894
7895         * config/rs600/altivec.md (altivec_vsr<VI_char>): Rename to ..
7896         (lhsr<mode>3): ... new name.
7897         (altivec_vsra<VI_char>): Rename to ..
7898         (ashr<mode>3): ... new name.
7899         * config/rs6000/rs6000.c (builtin_description): Rename shift
7900         operations.
7901
7902 2004-04-05  Paolo Bonzini  <bonzini@gnu.org>
7903
7904         * combine.c (RTL_HOOKS_GEN_LOWPART_NO_EMIT): Use
7905         gen_lowpart_for_combine.
7906         * cse.c (gen_lowpart_if_possible): Move...
7907         * rtlhooks.c (gen_lowpart_if_possible): ... here.  Also try
7908         gen_lowpart_SUBREG.
7909         (gen_lowpart_no_emit_general): Use it.
7910
7911 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
7912
7913         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Undefine before
7914         overriding.
7915
7916 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
7917
7918         * system.h: Fix typo.
7919
7920 2005-04-05  Bernd Schmidt  <bernd.schmidt@analog.com>
7921
7922         * config/bfin/bfin-modes.def: New file.
7923         * config/bfin/bfin-protos.h: New file.
7924         * config/bfin/bfin.c: New file.
7925         * config/bfin/bfin.h: New file.
7926         * config/bfin/bfin.md: New file.
7927         * config/bfin/bfin.opt: New file.
7928         * config/bfin/crti.s: New file.
7929         * config/bfin/crtn.s: New file.
7930         * config/bfin/elf.h: New file.
7931         * config/bfin/lib1funcs.asm: New file.
7932         * config/bfin/predicates.md: New file.
7933         * config/bfin/t-bfin: New file.
7934         * config/bfin/t-bfin-elf: New file.
7935         * doc/extend.texi (exception_handler, kspisusp, nesting, nmi_handler):
7936         Document new attributes.
7937         (interrupt, interrupt_handler, saveall): Update documentation for
7938         these attributes.
7939         * doc/install.texi (Specific): Add entry for the Blackfin.
7940         * doc/invoke.texi (Blackfin Options): New section.
7941         * doc/md.texi (Blackfin family): New section to document constraints.
7942         * config.gcc: Add bfin*-* and bfin*-elf configurations.
7943
7944 2005-04-05  Olivier Hainque  <hainque@adacore.com>
7945
7946         * config/mips/iris6.h (DWARF_FRAME_RETURN_COLUMN): Redefine to
7947         match what the system unwinder expects.
7948         * config/mips/mips.c (mips_frame_set): If we're saving the return
7949         address register and the dwarf return address column number differs
7950         from the hard register number, adjust the note reg to refer to the
7951         former.
7952
7953 2004-04-05  Richard Sandiford  <rsandifo@redhat.com>
7954
7955         * config/mn10300/mn10300-protos.h (mn10300_override_options): Declare.
7956         * config/mn10300/mn10300.h (target_flags, TARGET_MULT_BUG)
7957         (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
7958         (processor_type): New enum.
7959         (mn10300_processor): New variable.
7960         (TARGET_AM33, TARGET_AM33_2): Redefine in terms of mn10300_processor.
7961         (PROCESSOR_DEFAULT, OVERRIDE_OPTIONS): New macros.
7962         * config/mn10300/linux.h (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
7963         (PROCESSOR_DEFAULT): New macro.
7964         * config/mn10300/mn10300.c (mn10300_processor): New variable.
7965         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
7966         (mn10300_handle_option, mn10300_override_options): New functions.
7967         * config/mn10300/mn10300.opt: New file.
7968
7969 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
7970             Sebastian Pop <sebastian.pop@cri.ensmp.fr>
7971
7972         PR tree-optimization/19903
7973         * tree-chrec.c (chrec_convert): Return chrec_dont_know for constants
7974         that don't fit in their type after conversion.
7975
7976 2005-04-05  Uros Bizjak <uros@kss-loka.si>
7977
7978         PR target/20421
7979         * config/i386/i386.md (frndintxf2_floor, frndintxf2_ceil)
7980         (frndintxf2_trunc, frndintxf2_mask_pm): Add FLAGS_REG clobber.
7981         Allocate local stack slots here.  Set ix86_optimize_mode_switching.
7982         flag here. Implement using define_insn_and_split.
7983         (frndintxf2_floor_i387, frndintxf2_ceil_i387, frndintxf2_trunc_i387)
7984         (frndintxf2_mask_pm_i387): New insn patterns.
7985         (floorsf2, floordf2, floorxf2): Remove local stack slot allocations.
7986         Do not set ix86_optimize_mode_switching flag.
7987         (ceilsf2, ceildf2, ceilxf2): Same.
7988         (btruncsf2, btruncdf2, btruncxf2): Same.
7989         (nearbyintsf2, nearbyintdf2, nearbyintxf2): Same.
7990
7991 2005-04-05  Ian Lance Taylor  <ian@airs.com>
7992
7993         PR debug/9963
7994         * config/i386/cygming.h (ASM_OUTPUT_EXTERNAL): Pass DECL to
7995         i386_pe_record_external_function.
7996         (i386_pe_record_external_function): Update declaration.
7997         * config/i386/winnt.c (struct extern_list): Add decl field.
7998         (i386_pe_record_external_function): Add decl parameter.
7999         (i386_pe_file_end): Check TREE_ASM_WRITTEN on decl, not
8000         identifier.
8001         * config/i386/i386-protos.h (i386_pe_record_external_function):
8002         Update declaration.
8003
8004 2005-04-05  Kazu Hirata  <kazu@cs.umass.edu>
8005
8006         * config/m68k/m68k-protos.h: Add a prototype for
8007         valid_dbcc_comparison_p_2.
8008         * config/m68k/m68k.c (not_sp_operand, symbolic_operand,
8009         extend_operator, const_uint32_operand, const_sint32_operand,
8010         general_src_operand, nonimmediate_src_operand,
8011         memory_src_operand, post_inc_operand, pre_dec_operand,
8012         pcrel_address): Move to predicates to predicates.md.
8013         * config/m68k/m68k.h (PREDICATE_CODES): Remove.
8014         * config/m68k/m68k.md: Include predicates.md.
8015         * config/m68k/predicates.md: New.
8016
8017 2005-04-04  Roger Sayle  <roger@eyesopen.com>
8018
8019         * config/i386/i386.md (*truncdfsf2_i387_1): New pattern.
8020
8021         * fold-const.c (maybe_lvalue_p): Delete orphaned comment.
8022
8023 2005-04-04  Ian Lance Taylor  <ian@airs.com>
8024
8025         * c-typeck.c (struct c_switch): Rename switch_stmt field to
8026         switch_expr.
8027         (c_start_case): Build SWITCH_EXPR, not SWITCH_STMT.
8028         (do_case): Use SWITCH_COND rather than SWITCH_STMT_COND.
8029         (c_finish_case): Use SWITCH_BODY rather than SWITCH_STMT_BODY.
8030         Call c_do_switch_expr_warnings rather than c_do_switch_warnings.
8031         * c-common.c (c_do_switch_warnings_1): New static function broken
8032         out of c_do_switch_warnings.
8033         (c_do_switch_warnings): Call c_do_switch_warnings_1.
8034         (c_do_switch_expr_warnings): New function.
8035         * c-common.h (c_do_switch_expr_warnings): Declare.
8036
8037 2005-04-04  David Edelsohn  <edelsohn@gnu.org>
8038             Daniel Jacobowitz  <dan@codesourcery.com>
8039
8040         * tree-eh.c (tree_could_trap_p): Allow non-constant floating point
8041         trapping divide.
8042         * rtlanal.c (may_trap_p): Same.
8043
8044 2005-04-04  Dale Johannesen  <dalej@apple.com>
8045
8046         * ChangeLog:  remove reference to ChangeLog.12.
8047
8048 2005-04-05  Hans-Peter Nilsson  <hp@axis.com>
8049
8050         CRIS epilogue as RTL.
8051         * config/cris/cris.md: Change all 0 in unspec 0 to
8052         CRIS_UNSPEC_PLT.
8053         (CRIS_UNSPEC_PLT, CRIS_UNSPEC_FRAME_DEALLOC): New constants.
8054         ("*cris_load_multiple", "cris_frame_deallocated_barrier"): New
8055         patterns.
8056         ("return"): Change to define_expand.  Call cris_expand_return for
8057         actual expansion.
8058         ("*return_expanded"): New pattern.
8059         ("epilogue"): New define_expand.
8060         * config/cris/cris.h (PREDICATE_CODES): Add
8061         cris_load_multiple_op.
8062         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Correct test for unspec
8063         type.
8064         (enum cris_retinsn_type): New.
8065         (struct machine_function): New member return_type.
8066         (TARGET_ASM_FUNCTION_EPILOGUE): Don't override.
8067         (cris_target_asm_function_epilogue): Remove, moving RTLified
8068         contents to...
8069         (cris_expand_epilogue): New function.
8070         (cris_reg_saved_in_regsave_area, cris_movem_load_rest_p,
8071         (cris_gen_movem_load, cris_load_multiple_op)
8072         (cris_return_address_on_stack_for_return, cris_expand_return): New
8073         functions.
8074         (cris_target_asm_function_prologue)
8075         (cris_initial_frame_pointer_offset): Call
8076         cris_reg_saved_in_regsave_area instead of complicated expression.
8077         Call cris_return_address_on_stack instead of an expression.
8078         (cris_print_operand) <case 'o', case 'O'>: New cases.
8079         (cris_return_address_on_stack): Change return-type to bool.
8080         (cris_simple_epilogue): Ditto.  Return false if registers are
8081         saved.
8082         * config/cris/cris-protos.h (cris_simple_epilogue)
8083         (cris_return_address_on_stack): Adjust prototype return type.
8084         (cris_gen_movem_load, cris_expand_epilogue, cris_expand_return)
8085         (cris_return_address_on_stack_for_return): New prototypes.
8086
8087 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
8088
8089         * config/frv/frv.h (PREDICATE_CODES): Add CONST to
8090         gpr_or_int12_operand.
8091
8092         * config/frv/frv-protos.h: Add a prototype to
8093         frv_legitimate_memory_operand and frv_const_unspec_p.
8094         (frv_unspec): Move from frv.c.
8095         * config/frv/frv.c (frv_unspec): Move to frv-protos.h.
8096         (frv_const_unspec_p, frv_legitimate_memory_operand_): Export.
8097         (ldd_address_operand, fdpic_fptr_operand, frv_load_operand,
8098         gpr_or_fpr_operand, gpr_or_int12_operand,
8099         gpr_fpr_or_int12_operand, fpr_or_int6_operand,
8100         gpr_or_int10_operand, gpr_or_int_operand, int12_operand,
8101         int6_operand, int5_operand, uint5_operand, uint4_operand,
8102         uint1_operand, int_2word_operand, uint16_operand,
8103         upper_int16_operand, integer_register_operand,
8104         gpr_no_subreg_operand, fpr_operand, even_reg_operand,
8105         odd_reg_operand, even_gpr_operand, odd_gpr_operand,
8106         quad_fpr_operand, even_fpr_operand, odd_fpr_operand,
8107         dbl_memory_one_insn_operand, dbl_memory_two_insn_operand,
8108         move_destination_operand, movcc_fp_destination_operand,
8109         frv_function_symbol_referenced_p, move_source_operand,
8110         condexec_dest_operand, condexec_source_operand,
8111         reg_or_0_operand, lr_operand, fdpic_operand, got12_operand,
8112         const_unspec_operand, gpr_or_memory_operand,
8113         gpr_or_memory_operand_with_scratch, fpr_or_memory_operand,
8114         icc_operand, fcc_operand, cc_operand, icr_operand,
8115         fcr_operand, cr_operand, call_operand, sibcall_operand,
8116         symbolic_operand, relational_operator,
8117         integer_relational_operator, float_relational_operator,
8118         ccr_eqne_operator, minmax_operator,
8119         condexec_si_binary_operator, condexec_si_media_operator,
8120         condexec_si_divide_operator, condexec_si_unary_operator,
8121         condexec_sf_conv_operator, condexec_sf_add_operator,
8122         condexec_memory_operand, intop_compare_operator, acc_operand,
8123         even_acc_operand, quad_acc_operand, accg_operand: Move to
8124         predicates.md.
8125         * config/frv/frv.h (PREDICATE_CODES): Remove.
8126         * config/frv/frv.md: Include predicates.md.
8127         * config/frv/predicates.md: New.
8128
8129 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
8130
8131         PR target/19537
8132         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on langhooks.h.
8133         * tree-ssa-loop-ivopts.c: Include langhooks.h.
8134         (add_standard_iv_candidates_for_size): New function, extracting code
8135         from add_standard_iv_candidates and parameterizing it by type size.
8136         (add_standard_iv_candidates): Use add_standard_iv_candidates_for_size.
8137
8138 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
8139
8140         * system.h (GCOV_SIZE_TYPE): Unposion.
8141         * gcov-io.h (GCOV_TYPE_NODE): Delete, replacing with...
8142         (GCOV_TYPE_SIZE): ...this new macro.
8143         * coverage.h (get_gcov_type, GCOV_TYPE_NODE): Declare.
8144         * coverage.c (get_gcov_type, get_gcov_unsigned_t): New functions.
8145         (rtl_coverage_counter_ref): Use GCOV_TYPE_SIZE.
8146         (build_fn_info_type, build_fn_info_value, build_ctr_info_type)
8147         (build_ctr_info_value, build_gcov_info): Use get_gcov_unsigned_t
8148         instead of unsigned_intSI_type_node.
8149         * rtl-profile.c (rtl_gen_interval_profiler, rtl_gen_pow2_profiler)
8150         (rtl_gen_one_value_profiler_no_edge_manipulation)
8151         (rtl_gen_const_delta_profiler): Use GCOV_TYPE_SIZE.
8152         * value-prof.c: Include coverage.h.
8153
8154 2005-04-02  Daniel Berlin  <dberlin@dberlin.org>
8155             Diego Novillo <dnovillo@redhat.com>
8156
8157         Fix PR tree-optimization/20703
8158         Fix PR tree-optimization/20725
8159
8160         * tree-ssa-pre.c (phi_translate): Handle tcc_comparison.
8161         (create_expression_by_pieces): Ditto.
8162         (valid_in_set): Ditto. Also handle tcc_declaration.
8163         (find_or_generate_expression): Handle comparison class.
8164         (insert_into_preds_of_block): Ditto.
8165         (insert_aux): Ditto.
8166         (create_value_expr_from): Handle comparison class, recursively
8167         handle reference nodes.
8168         (compute_avail): Handle comparison classes, rewrite a little cleaner.
8169         (execute_pre): Fix spacing.
8170         (do_fre): Renamed to execute_fre.
8171
8172 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
8173
8174         * doc/invoke.texi (SPARC options): Document that
8175         -mlittle-endian is not supported on Linux either.
8176
8177 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
8178
8179         PR target/4198
8180         PR target/12027
8181         * config.gcc (Obsolete configurations): Remove
8182         sparclite-*-coff*, sparclite-*-elf* and sparc86x-*-elf*.
8183         (sparclite-*-coff*): Delete.
8184         (sparclite-*-elf*): Likewise.
8185         (sparc86x-*-elf*): Likewise.
8186         (target_cpu_default) <sparc*-*-*>: Remove sparc86x.
8187         * config/sparc/lite.h: Delete.
8188         * config/sparc/litecoff.h: Likewise.
8189         * config/sparc/liteelf.h: Likewise.
8190         * config/sparc/sp86x-elf.h: Likewise.
8191         * config/sparc/t-sparclite: Likewise.
8192         * config/sparc/t-sp86x: Likewise.
8193
8194 2005-04-04  Adrian Straetling  <straetling@de.ibm.com>
8195
8196         * config/s390/s390-protos.h: (s390_comparison,
8197         s390_alc_comparison, s390_slb_comparison, const0_operand,
8198         consttable_operand, larl_operand, s_operand,
8199         shift_count_operand, bras_sym_operand, load_multiple_operation,
8200         store_multiple_operation, s390_plus_operand): Remove prototypes.
8201         (s390_legitimate_address_without_index_p): New prototype.
8202         * config/s390/s390.c: (SYMBOL_FLAG_ALIGN1, DISP_IN_RANGE): Move
8203         to s390.h.
8204         (s390_comparison, s390_alc_comparison, s390_slb_comparison,
8205         const0_operand, consttable_operand, larl_operand, s_operand,
8206         shift_count_operand, bras_sym_operand, load_multiple_operation,
8207         store_multiple_operation, s390_plus_operand): Move to
8208         predicates.md.
8209         (check_mode): Remove.
8210         (s390_branch_condition_mask): Remove 'static'. Move prototype to
8211         s390-protos.h.
8212         (s390_legitimate_address_without_index_p): New.
8213         * config/s390/s390.h (PREDICATE_CODES): Remove.
8214         * config/s390/s390.md: Include predicates.md.
8215         * config/s390/predicates.md: New.
8216
8217 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
8218
8219         PR target/20446
8220         * config/sparc/sparc.h (NEED_INDICATE_EXEC_STACK): Define to 0.
8221         * config/sparc/linux.h (TARGET_ASM_FILE_END): Delete.
8222         (NEED_INDICATE_EXEC_STACK): Define to 1.
8223         * config/sparc/linux64.h (TARGET_ASM_FILE_END): Delete.
8224         (NEED_INDICATE_EXEC_STACK): Define to 1.
8225         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Set to sparc_file_end.
8226         (add_pc_to_pic_symbol): Rename into pic_helper_symbol.
8227         (add_pc_to_pic_symbol_name): Rename into pic_helper_symbol_name.
8228         (pic_helper_emitted_p): New global.
8229         (emit_pic_helper): New function extracted from...
8230         (load_pic_register): ...here.  Add 'delay_pic_helper' parameter.
8231         Do not call emit_pic_helper if delay_pic_helper is true.
8232         (sparc_expand_prologue): Pass 'false' to load_pic_register.
8233         (sparc_output_mi_thunk): Pass 'true' to load_pic_register.
8234         (sparc_file_end): New function.
8235
8236 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
8237
8238         * config/mcore/mcore-protos.h: Remove the prototypes for
8239         mcore_arith_reg_operand, mcore_general_movsrc_operand,
8240         mcore_general_movdst_operand, mcore_reload_operand,
8241         mcore_arith_J_operand, mcore_arith_K_operand,
8242         mcore_arith_K_operand_not_0, mcore_arith_M_operand,
8243         mcore_arith_K_S_operand, mcore_arith_imm_operand,
8244         mcore_arith_any_imm_operand, mcore_arith_O_operand,
8245         mcore_literal_K_operand, mcore_addsub_operand,
8246         mcore_compare_operand, mcore_load_multiple_operation,
8247         mcore_store_multiple_operation, mcore_call_address_operand.
8248         Add a prototype for const_ok_for_mcore.
8249         * config/mcore/mcore.c (mcore_call_address_operand,
8250         mcore_general_movsrc_operand, mcore_general_movdst_operand,
8251         mcore_arith_reg_operand, mcore_reload_operand,
8252         mcore_arith_J_operand, mcore_arith_K_operand,
8253         mcore_arith_K_operand_not_0, mcore_arith_K_S_operand,
8254         mcore_arith_M_operand, mcore_arith_imm_operand,
8255         mcore_arith_any_imm_operand, mcore_arith_O_operand,
8256         mcore_literal_K_operand, mcore_addsub_operand,
8257         mcore_compare_operand, mcore_load_multiple_operation,
8258         mcore_store_multiple_operation): Move to predicates.md.
8259         (const_ok_for_mcore): Export.
8260         * config/mcore/mcore.h (PREDICATE_CODES): Remove.
8261         * config/mcore/mcore.md: Include predicates.md.
8262         * config/mcore/predicates.md: New.
8263
8264         * config/mcore/predicates.md: Fix a comment typo.
8265
8266 2005-04-04  Andreas Krebbel  <krebbel1@de.ibm.com>
8267             Adrian Straetling  <straetling@de.ibm.com>
8268
8269         * config/s390/2064.md ("z_mul", "z_inf"): New insn reservations.
8270         * config/s390/2084.md ("x_mul_hi", "x_mul_sidi", "x_div"): Likewise.
8271         * config/s390/s390.md ("imulhi", "imulsi", "imuldi"): Added to "type"
8272         attribute.
8273         ("imul"): Removed from "type" attribute.
8274         ("*muldi3_sign", "muldi3"): Changed type to imuldi.
8275         ("mulsi3/1", "mulsi3/3", "mulsi/4", "mulsidi3", "umulsidi3"):
8276         Changed type to imulsi.
8277         ("*mulsi3_sign", "mulsi3/2"): Changed type to imulhi.
8278
8279 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
8280
8281         * config/mcore/mcore.h (target_flags, HARDLIT_BIT, ALIGN8_BIT, DIV_BIT)
8282         (RELAX_IMM_BIT, W_FIELD_BIT, OVERALIGN_FUNC_BIT, CGDATA_BIT)
8283         (SLOW_BYTES_BIT, LITTLE_END_BIT, M340_BIT, TARGET_HARDLIT)
8284         (TARGET_DIV, TARGET_RELAX_IMM, TARGET_W_FIELD, TARGET_OVERALIGN_FUNC)
8285         (TARGET_CG_DATA, TARGET_SLOW_BYTES, TARGET_LITTLE_END, TARGET_M340)
8286         (TARGET_SWITCHES, mcore_stack_increment_string)
8287         (TARGET_OPTIONS): Delete.
8288         (TARGET_DEFAULT, OPTIMIZATION_OPTIONS): Use MASK_* constants rather
8289         than *_BIT constants.
8290         (TARGET_8ALIGN): #undef old definition before redefining to 1.
8291         * config/mcore/mcore.c (mcore_stack_increment_string): Delete.
8292         (TARGET_DEFAULT_TARGET_FLAGS): Override default to TARGET_DEFAULT.
8293         (mcore_override_options): Delete mcore_stack_increment code.
8294         Change use of M340_BIT to MASK_M340.
8295         * config/mcore/mcore.opt: New file.
8296
8297 2005-04-04  Ian Lance Taylor  <ian@airs.com>
8298
8299         * config/arm/arm.c (replace_symbols_in_block): Remove static
8300         function.
8301
8302 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
8303
8304         * config/fr30/fr30-protos.h: Remove the prototypes for
8305         stack_add_operand, add_immediate_operand,
8306         high_register_operand, low_register_operand, call_operand,
8307         di_operand, and nonimmediate_di_operand.
8308         * config/fr30/fr30.c (stack_add_operand,
8309         add_immediate_operand, high_register_operand,
8310         low_register_operand, call_operand, di_operand,
8311         nonimmediate_di_operand): Move to predicates.md.
8312         * config/fr30/fr30.h (PREDICATE_CODES): Remove.
8313         * config/fr30/fr30.md: Include predicates.md.
8314         * config/fr30/predicates.md: New.
8315
8316         * config/mcore/mcore.h (PREDICATE_CODES): Add SYMBOL_REF and
8317         LABEL_REF to mcore_general_movsrc_operand.  Add SYMBOL_REF to
8318         mcore_call_address_operand.
8319
8320         * config/sh/sh.h (PREDICATE_CODES): Add CONST to
8321         general_movsrc_operand.
8322
8323 2005-04-04  Alan Modra  <amodra@bigpond.net.au>
8324
8325         * passes.c (rest_of_handle_final): NULL unlikely_text_section_name
8326         after freeing.
8327
8328 2005-04-04  Richard Earnshaw  <richard.earnshaw@arm.com>
8329
8330         PR target/14812
8331         * arm.c (arm_select_cc_mode): Return CC_Zmode when comparing against
8332         a negated value.
8333
8334 2005-04-04  Richard Henderson  <rth@redhat.com>
8335             Jakub Jelinek  <jakub@redhat.com>
8336
8337         PR rtl-optimization/16104
8338         * fold-const.c (fold_unary): Fix folding of vector conversions.
8339
8340 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
8341
8342         * config.gcc (xstormy16-*-elf): Set extra_options.
8343         * config/stormy16/stormy16.h (target_flags, TARGET_SWITCHES): Delete.
8344         * config/stormy16/stormy16.opt: New file.
8345
8346 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
8347
8348         * config/pdp11/pdp11.h (target_flags, TARGET_SWITCHES, TARGET_DEFAULT)
8349         (TARGET_FPU, TARGET_SOFT_FLOAT, TARGET_AC0, TARGET_NO_AC0, TARGET_45)
8350         (TARGET_BCOPY_BUILTIN, TARGET_INT16, TARGET_INT32, TARGET_FLOAT32)
8351         (TARGET_FLOAT64, TARGET_ABSHI_BUILTIN, TARGET_BRANCH_EXPENSIVE)
8352         (TARGET_BRANCH_CHEAP, TARGET_SPLIT, TARGET_NOSPLIT)
8353         (TARGET_UNIX_ASM): Delete.
8354         (TARGET_40_PLUS): Redefine in terms of TARGET_40 and TARGET_45.
8355         * config/pdp11/2bsd.h (TARGET_UNIX_ASM_DEFAULT): Use MASK_UNIX_ASM.
8356         * config/pdp11/pdp11.c (pdp11_handle_option): New function.
8357         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
8358         * config/pdp11/pdp11.opt: New file.
8359
8360 2005-04-03  Roger Sayle  <roger@eyesopen.com>
8361             Alexandre Oliva  <aoliva@redhat.com>
8362
8363         PR c++/19199
8364         * fold-const.c (non_lvalue): Split tests into...
8365         (maybe_lvalue_p): New function.
8366         (fold_cond_expr_with_comparison): Preserve lvalue-ness for the
8367         C++ front-end prior to lowering into gimple form.
8368
8369 2005-04-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8370
8371         * builtins.def (BUILT_IN_STPNCPY, BUILT_IN_STRCASECMP,
8372         BUILT_IN_STRNCASECMP): New.
8373         * doc/extend.texi: Document stpncpy, strcasecmp, strncasecmp
8374         and strndup.
8375
8376 2005-04-03  Richard Earnshaw  <richard.earnshaw@arm.com>
8377
8378         PR target/14812
8379         * arm.md (addsi3_compare0_for_combiner): Delete.
8380         (addsi3_compare0_scratch_for_combiner): Delete.
8381         (cmpsi_neg_shiftsi): Delete.
8382         (compare_negsi_si): New pattern.
8383         (cmpsi_negshiftsi_si): New pattern.
8384         (negated_cbranchsi4): Restrict to equality_operator.
8385
8386         * arm.md (movhi_insn_arch4): delete trailing white space from assembler
8387         template.
8388
8389 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
8390
8391         * cfghooks.c, cfgrtl.c, modulo-sched.c, config/i386/winnt.c:
8392         Fix comment typos.
8393
8394         * doc/install.texi: Fix a typo.
8395
8396 2005-04-03  Steven Bosscher  <stevenb@suse.de>
8397
8398         PR middle-end/20648
8399         * bb-reorder.c (duplicate_computed_gotos): Do not unfactor
8400         a computed goto if the edge to the computed goto block has
8401         incoming abnormal edges.  Clarify how the function works.
8402
8403 2005-04-03  Nathan Sidwell  <nathan@codesourcery.com>
8404
8405         * params.c (set_param_value): Use gcc_assert & gcc_unreachable.
8406         * passes.c (open_dump_file, rest_of_handle_final): Likewise.
8407         * postreload-gcse.c (expr_equiv_p, oprs_unchanged_p,
8408         hash_scan_set, reg_set_between_after_reload_p,
8409         reg_used_between_after_reload_p, get_avail_load_store_reg,
8410         eliminate_partially_redundant_load): Likewise.
8411         * postreload.c (reload_cse_simplify_set,
8412         reload_combine_note_use): Likewise.
8413         * predict.c (predict_insn, expected_value_to_br_prob,
8414         propagate_freq, expensive_function_p): Likewise.
8415         * print-rtl.c (print_rtx): Likewise.
8416         * profile.c (instrument_edges, instrument_values,
8417         compute_branch_probabilities, branch_prob, union_groups,
8418         tree_register_profile_hooks, rtl_register_profile_hooks): Likewise.
8419         * protoize.c (in_system_include_dir, file_could_be_converted,
8420         file_normally_convertible, gen_aux_info_file, seek_to_line,
8421         do_cleaning): Likewise.
8422         * tree-ssa-alias.c (collect_points_to_info_r): Likewise.
8423         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
8424         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
8425
8426 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
8427
8428         * cfg.c (clear_bb_flags): Don't clear BB_DISABLE_SCHEDULE.
8429         * modulo-sched.c (undo_replace_buff_elem): New structure.
8430         (kernel_number_of_cycles, ps_unschedule_node,
8431         undo_generate_reg_moves,free_undo_replace_buff,
8432         undo_permute_partial_schedule,  loop_single_full_bb_p,
8433         SIMPLE_SMS_LOOP_P, loop_canon_p, canon_loop,
8434         build_loops_structure, get_sched_window): New.
8435         (generate_reg_moves): Return undo_replace_buff_elem and other
8436         fixes.
8437         (generate_prolog_epilog): Remove old loop versioning.
8438         (sms_schedule): Use loop information and loop_version.
8439         (sms_schedule_by_order): Split part of it to get_sched_window.
8440         * passes.c (rest_of_handle_sms): call cfg_layout_initialize
8441         cfg_layout_finalize and free_dominance_info before/after SMS.
8442
8443 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
8444
8445         * cfghooks.c (lv_flush_pending_stmts,
8446         cfg_hook_duplicate_loop_to_header_edge, extract_cond_bb_edges,
8447         lv_adjust_loop_header_phi, lv_add_condition_to_bb): New.
8448         * cfghooks.h (cfg_hook_duplicate_loop_to_header_edge,
8449         lv_add_condition_to_bb,
8450         lv_adjust_loop_header_phi, extract_cond_bb_edges,
8451         flush_pending_stmts): New in cfg_hooks structure.
8452         (cfg_hook_duplicate_loop_to_header_edge, lv_flush_pending_stmts,
8453         extract_cond_bb_edges, lv_adjust_loop_header_phi,
8454         lv_add_condition_to_bb): New declarations.
8455         * cfgloop.h (duplicate_loop_to_header_edge): Change return type to
8456         bool.
8457         (loop_version): Declare.
8458         * cfgloopmanip.c (cfghooks.h): Include.
8459         (duplicate_loop_to_header_edge): Change return type to bool.
8460         (loop_version, lv_adjust_loop_entry_edge): Move here.
8461         * cfgrtl.c (cfgloop.h): Include.
8462         (rtl_verify_flow_info_1): Fix.
8463         (rtl_lv_add_condition_to_bb, rtl_extract_cond_bb_edges): New.
8464         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add hooks to
8465         initialization.
8466         * tree-cfg.c (tree_lv_adjust_loop_header_phi,
8467         tree_lv_add_condition_to_bb): New.
8468         (tree_cfg_hooks): Add new hooks to initialization.
8469         * tree-ssa-loop-manip.c (lv_adjust_loop_header_phi,
8470         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Remove.
8471
8472 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
8473
8474         * config/stormy16/stormy16.h (PREDICATE_CODES): Add SUBREG to
8475         xstormy16_below100_or_register,
8476         xstormy16_splittable_below100_or_register, and
8477         nonimmediate_nonstack_operand.
8478
8479         * config/stormy16/stormy16-protos.h: Remove the prototypes for
8480         xstormy16_ineqsi_operator, equality_operator,
8481         inequality_operator, shift_operator,
8482         xstormy16_below100_operand, xstormy16_below100_or_register,
8483         xstormy16_splittable_below100_or_register,
8484         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand.
8485         * config/stormy16/stormy16.c (xstormy16_ineqsi_operator,
8486         equality_operator, inequality_operator,
8487         xstormy16_below100_operand, xstormy16_below100_or_register,
8488         xstormy16_splittable_below100_or_register,
8489         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand,
8490         nonimmediate_nonstack_operand, shift_operator): Move to
8491         predicates.md.
8492         * config/stormy16/stormy16.h (PREDICATE_CODES): Remove.
8493         * config/stormy16/stormy16.md: Include predicates.md.
8494         * config/stormy16/predicates.md: New.
8495
8496 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
8497
8498         * config/iq2000/iq2000.c (uns_arith_operand, arith_operand,
8499         small_int, large_int, reg_or_0_operand, simple_memory_operand,
8500         equality_op, cmp_op, pc_or_label_operand, call_insn_operand,
8501         move_operand, power_of_2_operand): Move to predicates.md.
8502         * config/iq2000/iq2000.h (SPECIAL_MODE_PREDICATES,
8503         PREDICATE_CODE): Remove.
8504         * config/iq2000/iq2000.md: Include predicates.md.
8505         * config/iq2000/predicates.md: New.
8506
8507 2005-04-02  Richard Sandiford  <rsandifo@redhat.com>
8508
8509         * config/m68hc11/m68hc11.h (target_flags, MASK_SHORT)
8510         (MASK_AUTO_INC_DEC, MASK_M6811, MASK_M6812, MASK_M68S12)
8511         (MASK_NO_DIRECT_MODE, MASK_MIN_MAX, MASK_LONG_CALLS)
8512         (TARGET_SHORT, TARGET_M6811, TARGET_M6812, TARGET_M68S12)
8513         (TARGET_AUTO_INC_DEC, TARGET_MIN_MAX, TARGET_NO_DIRECT_MODE)
8514         (TARGET_LONG_CALLS, TARGET_SWITCHES, TARGET_OPTIONS)
8515         (SUBTARGET_SWITCHES, SUBTARGET_OPTIONS, m68hc11_regparm_string)
8516         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
8517         (TARGET_M68HC11): Delete.
8518         (TARGET_DEFAULT): Change the default setting from MASK_M6811 to 0.
8519         * config/m68hc11/m68hc12.h (TARGET_M68HC12): Delete.
8520         * config/m68hc11/m68hc11.c (m68hc11_regparm_string)
8521         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
8522         (nb_soft_regs): Delete.
8523         (TARGET_DEFAULT_TARGET_FLAGS): Override default with TARGET_DEFAULT.
8524         (m68hc11_override_options): Remove the code that caters for MASK_M6811
8525         and MASK_M6812 being set simultaneously.  Change the code that sets
8526         the default m68hc11_soft_reg_count to use integers instead of strings.
8527         (m68hc11_conditional_register_usage, hard_regno_mode_ok): Use
8528         m68hc11_soft_reg_count (which now has an int type) as the number
8529         of soft registers.
8530         * config/m68hc11/m68hc11.opt: New file.
8531
8532 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
8533
8534         * config/fr30/fr30.h (PREDICATE_CODES): Remove
8535         fp_displacement_operand, sp_displacement_operand.
8536
8537         * config/m68hc11/m68hc11-protos.h: Add a prototype for
8538         m68hcc_auto_inc_p.
8539         Remove the prototypes for tst_operand, cmp_operand,
8540         stack_register_operand, d_register_operand,
8541         hard_addr_reg_operand, splitable_operand,
8542         m68hc11_logical_operator, m68hc11_arith_operator,
8543         m68hc11_non_shift_operator, m68hc11_shift_operator,
8544         m68hc11_unary_operator, m68hc11_eq_compare_operator,
8545         non_push_operand, hard_reg_operand, and
8546         reg_or_some_mem_operand.
8547         * config/m68hc11/m68hc11.c (m68hcc_auto_inc_p): Make it
8548         extern.
8549         (tst_operand, cmp_operand, non_push_operand,
8550         splitable_operand, reg_or_some_mem_operand,
8551         stack_register_operand, d_register_operand,
8552         hard_addr_reg_operand, hard_reg_operand,
8553         m68hc11_eq_compare_operator, m68hc11_logical_operator,
8554         m68hc11_arith_operator, m68hc11_non_shift_operator,
8555         m68hc11_shift_operator, m68hc11_unary_operator): Move to
8556         predicates.md.
8557         * config/m68hc11/m68hc11.h (PREDICATE_CODES): Remove.
8558         * config/m68hc11/m68hc11.md: Include predicates.md.
8559         * config/m68hc11/predicates.md: New.
8560
8561 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
8562
8563         PR debug/19345
8564         * dwarf2out.c (add_abstract_origin_attribute): Revert accidental
8565         change checked in along with 2005-03-03's patch for debug/20253.
8566         * tree-inline.c (remap_type): Remap TYPE_STUB_DECL.
8567         (remap_decl): Insert type decl in map earlier.
8568
8569 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
8570
8571         PR tree-optimization/20640
8572         * tree-ssa-dce.c (remove_dead_stmt): Don't redirect edge to
8573         post-dominator if it has phi nodes.
8574         (eliminate_unnecessary_stmts): Remove dead phis in all blocks
8575         before dead statements.
8576
8577 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
8578
8579         PR middle-end/20491
8580         * final.c (alter_subreg): Don't call subreg_regno for a non-REG.
8581
8582 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
8583
8584         PR rtl-optimization/20290
8585         * loop.c (for_each_insn_in_loop): Don't assume the loop body runs
8586         in every iteration if the entry point is the exit test.
8587
8588 2005-04-02  Hans-Peter Nilsson  <hp@axis.com>
8589
8590         * config/cris/cris.md (attribute "length"): Define.
8591
8592 2005-04-02  Geoffrey Keating  <geoffk@apple.com>
8593
8594         * config/rs6000/predicates.md (indexed_or_indirect_operand): New.
8595         (word_offset_memref_operand): New.
8596         * config/rs6000/rs6000-protos.h (word_offset_memref_operand): Delete.
8597         (indexed_or_indirect_operand): Delete.
8598         * config/rs6000/rs6000.c (word_offset_memref_operand): Delete.
8599         (indexed_or_indirect_operand): Delete.
8600
8601         * config/rs6000/t-darwin8: Comment out ppc64 multilib.
8602
8603         PR 20650
8604         * config/rs6000/rs6000.md (fix_truncdfsi2): Make destination
8605         a register.
8606
8607         * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Add -pipe.
8608         * config/t-darwin (TARGET_LIBGCC2_CFLAGS): Likewise.
8609
8610 2005-04-01  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
8611
8612         * gcc/config/vax/vax.md: Spellcheck, fix whitespace.
8613
8614 2005-04-01  Ian Lance Taylor  <ian@airs.com>
8615
8616         * gcc.c: Don't include <sys/resource.h> or declare getrusage.
8617         (rus, prus): Remove static variables.
8618         (execute): Use pex_run/pex_get_status rather than pexecute/pwait.
8619         (process_command): Permit report_times and use_pipes together.
8620
8621 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
8622
8623         * c-decl.c (validate_proto_after_old_defn): Look at
8624         TYPE_MAIN_VARIANT of argument types.
8625
8626 2005-04-01  Paul Brook  <paul@codesourcery.com>
8627
8628         * config/arm/arm.c (thumb_call_via_label): Include space for SP.
8629         (arm_output_function_epilogue): Allow call_via_SP.
8630         (thumb_call_via_reg, arm_file_end): Ditto.
8631         * config/arm/arm.h (struct machine_function): Include space for SP.
8632         (thumb_call_via_label): Update declaration.
8633
8634 2005-04-01  Ian Lance Taylor  <ian@airs.com>
8635
8636         * final.c (final_scan_insn): Revert part of 2005-03-30 patch: when
8637         doing a peephole optimization, once again put any notes in the
8638         proper position.
8639
8640 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
8641
8642         * bb-reorder.c, fold-const.c, varasm.c: Fix comment typos.
8643
8644 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
8645
8646         * local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
8647         (block_alloc, find_free_reg): Likewise.
8648         * loop-doloop.c (doloop_modify): Likewise.
8649         * loop-invariant.c (record_use): Likewise.
8650         * loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
8651         get_iv_value, canon_condition, eliminate_implied_condition,
8652         eliminate_implied_condition, simplify_using_initial_values,
8653         shorten_into_mode, canonicalize_iv_subregs,
8654         iv_number_of_iterations): Likewise.
8655         * loop-unroll.c (expand_var_during_unrolling): Likewise.
8656         * loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
8657         unswitch_loop): Likewise.
8658         * loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
8659         move_movables, replace_call_address, find_and_verify_loops,
8660         rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
8661         record_giv, final_giv_value, general_induction_var,
8662         simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
8663         loop_giv_dump): Likewise.
8664
8665         * gcov-io.h (GCOV_CHECK, GCOV_CHECK_READING,
8666         GCOV_CHECK_WRITING): Remove.
8667         (gcov_position, gcov_rewrite): Use gcc_assert.
8668         * gcov-io.c (gcov_open, gcov_write_words, gcov_write_length,
8669         gcov_read_words, gcov_sync, gcov_seek): Use gcc_assert.
8670         * libgcov.c (__gcov_merge_single, __gcov_merge_delta): Use
8671         gcc_assert.
8672
8673 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
8674
8675         * tree-inline.c: Fix a typo.
8676
8677 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
8678
8679         * configure.ac (enable-checking): Explicitly set all variables for
8680         collective switch values.  Alphabetize variables. Rename
8681         ac_checking_valgrind to ac_valgrind_checking.  Allow 'none' as
8682         synonym for 'no'.
8683         * doc/install.texi (enable-checking): Update documentation.
8684         * configure: Rebuilt.
8685
8686 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
8687
8688         * tree-inline.c (copy_body_r): Use CONSTANT_CLASS_P where
8689         possible.
8690
8691 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
8692
8693         * arm.c (adjacent_mem_locations): Reject volatile memory refs.
8694         Also reject cases where this pattern will cause load delay stalls
8695         unless optimizing for size and it will produce a shorter sequence.
8696         * arm.md (arith_adjacent_mem): Make better use of ldm addressing
8697         variants to avoid pre-adjusting the base when possible.
8698
8699 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
8700
8701         * arm.md (minmax_arithsi): Reject all eliminable registers, not just
8702         the frame and argument pointers.
8703         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec): Likewise.
8704         (loadqisi_preinc, loadqisi_predec, strsi_preinc): Likewise.
8705         (strsi_predec, loadsi_preinc, loadsi_predec): Likewise.
8706         (strqi_shiftpreinc, strqi_shiftpredec, loadqi_shiftpreinc): Likewise.
8707         (loadqi_shiftpredec, strsi_shiftpreinc, strsi_shiftpredec): Likewise.
8708         (loadsi_shiftpreinc, loadsi_shiftpredec): Likewise.
8709
8710 2005-04-01  Danny Smith  <dannysmith@users.sourceforge.net>
8711
8712         * config/i386/cygming.h (SUBTARGET_ATTRIBUTE_TABLE): Define,
8713         with entry for selectany attribute.
8714         * config/i386/i386-protos.h (ix86_handle_selectany_attribute):
8715         Declare.
8716         * config/i386/winnt.c (ix86_handle_selectany_attribute): Define.
8717         (i386_pe_asm_named_section): Handle sections generated by
8718         selectany attribute.
8719         * doc/extend.texi (selectany): Document attribute.
8720
8721 2005-04-01  Paolo Bonzini  <bonzini@gnu.org>
8722             Jan Hubicka  <jh@suse.cz>
8723
8724         * config/i386/i386.c (ix86_decompose_address): Look inside SUBREGs
8725         to fix addresses involving EBP and ESP.
8726         (aligned_operand, legitimate_address_p, ix86_address_cost): Be prepared
8727         for SUBREGed registers.
8728         (legitimate_address_p): Accept SUBREGed registers.
8729
8730 2005-04-01  Jakub Jelinek  <jakub@redhat.com>
8731
8732         PR c++/19406
8733         * dwarf2out.c (gen_type_die_for_member): Handle FIELD_DECL.
8734         (dwarf2out_imported_module_or_decl): Use gen_type_die_for_member
8735         for FIELD_DECLs.
8736
8737 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
8738
8739         * doc/contrib.texi, doc/invoke.texi, doc/tm.texi: Fix typos.
8740
8741 2005-04-01  James E Wilson  <wilson@specifixinc.com>
8742
8743         PR c++/20505
8744         * dwarf2out.c (rtl_for_decl_init): New function.
8745         (rtl_for_decl_location): Extracted from here.
8746         (tree_add_const_value_attribute): Call rtl_for_decl_init and
8747         add_const_value_attribute.  Delete initializer_constant_valid_p call.
8748
8749 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
8750
8751         * cgraphunit.c, dbxout.c, flow.c, gcse.c, gimplify.c,
8752         lambda-code.c, loop.c, machmode.def, mips-tfile.c,
8753         modulo-sched.c, passes.c, postreload-gcse.c, tree-eh.c,
8754         tree-ssa-ccp.c, varasm.c, config/frv/frv.c, config/frv/frv.h,
8755         config/frv/frv.md, config/i386/i386.c, config/i386/i386.h,
8756         config/i386/i386.md, config/rs6000/predicates.md,
8757         config/rs6000/rs6000.c, config/s390/fixdfdi.h,
8758         config/s390/s390.c, config/stormy16/stormy16.c,
8759         config/stormy16/stormy16.md, config/vax/vax.md: Fix comment
8760         typos.
8761
8762 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
8763
8764         PR c/17855
8765         * gimplify.c (gimplify_expr): Create a temporary for lvalue
8766         COND_EXPR and CALL_EXPR.
8767
8768 2005-03-31  Vladimir Makarov  <vmakarov@redhat.com>
8769
8770         PR target/20632
8771         * genautomata.c (first_cycle_unit_presence): Check all alternative
8772         states for unit presence.
8773
8774         * doc/md.texi: Remove remark about impossibility to query unit
8775         presence in non nondeterministic automaton state.
8776
8777         * config/ia64/ia64.c (get_template): Change order of unit querying.
8778
8779 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
8780
8781         * tree-ssa-dom.c (cprop_into_successor_phis): Remove an
8782         obsolete comment.
8783
8784 2005-03-31  Zdenek Dvorak  <dvorakz@suse.cz>
8785
8786         * cfgloopanal.c (mark_loop_exit_edges): Clean EDGE_LOOP_EXIT
8787         flag for edges outside any loops.
8788
8789 2005-03-31  Janis Johnson  <janis187@us.ibm.com>
8790
8791         * doc/sourcebuild.texi (Test Directives): Describe cleanup-* procs.
8792
8793 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
8794
8795         * tree-ssa-alias.c: Follow spelling conventions.
8796         * doc/tree-ssa.texi: Fix a typo.
8797
8798 2005-03-31  J"orn Rennecke <joern.rennecke@st.com>
8799
8800         * postreload-gcse.c: Include target.h.
8801         (gcse_after_reload_main): Return early if we cannot modify jumps.
8802         * Makefile.in (postreload-gcse.o): Depend on $(TARGET_H).
8803
8804 2005-03-31  David Edelsohn  <edelsohn@gnu.org>
8805
8806         * tree-ssa-loop-im.c (stmt_cost): Add RDIV_EXPR to list of
8807         expensive operations.
8808
8809 2005-03-31  Ian Lance Taylor  <ian@airs.com>
8810
8811         * collect2.c (lderrout): New variable.
8812         (collect_exit): Dump ldout to stdout.  Dump and unlink lderrout,
8813         if it is set, to stderr.
8814         (handler): Unlink lderrout if it is set.
8815         (dump_file): Add "to" parameter.  Change all callers.
8816         (main): Initialize lderrout.
8817         (collect_execute): Add errname parameter.  Change all callers.
8818         Rename redir parameter to outname.  Never pass
8819         PEX_STDERR_TO_STDOUT to pex_run.
8820         * collect2.h (collect_execute, dump_file): Update declarations.
8821         * tlink.c (tlink_execute): Add errname parameter.  Change all
8822         callers.
8823         (do_tlink): Check lderrout as well as ldout.
8824
8825 2005-03-31  Caroline Tice  <ctice@apple.com>
8826
8827         * Makefile.in (varasm.o): Add basic-block.h to list of requirements.
8828         (bb-reorder.o): Add errors.h to list of requirements.
8829         (STAGEFEEDBACK_FLAGS_TO_PASS): Add -freorder-blocks-and-partition to
8830         profiledbootstrap flags.
8831         * bb-reorder.c (errors.h): Add new include.
8832         (struct bbro_basic_block_data_def): Add new field, in_trace.
8833         (add_unlikely_executed_notes):  Remove function.
8834         (mark_bb_for_unlikely_executed_section): Remove function.
8835         (insert_section_boundary_note): New function.
8836         (verify_hot_cold_block_grouping): New function.
8837         (push_to_next_round_p): Remove variables and tests that push all
8838         cold blocks to last round.
8839         (find_traces): Remove code that added extra round of trace finding
8840         when doing partitioning.
8841         (find_traces_1_round) :  Remove variable last_round;  add code to
8842         update new struct field, in_trace; correct trace_length where it was
8843         incorrect before (after call to copy_bb); change code that pushed all
8844         cold blocks to last round. Instead verify that all blocks going into
8845         a trace belong in the same partition.
8846         (connect_traces): Modify to connect the traces in two passes, if the
8847         function contains both hot and cold blocks.  The first pass connects
8848         all the traces for blocks in the partition that the first block in
8849         the function belongs to; the second pass connnects all the traces
8850         containing blocks that belong in the other partition.
8851         (find_rarely_executed_basic_blocks_and_crossing_edges):  Remove
8852         code that automatically put the first block in a function into the
8853         hot partition if the function had any hot blocks.
8854         (fix_crossing_unconditional_branches): Check number of succ edges
8855         before attempting to get one.
8856         (fix_edges_for_rarely_executed_code):  Update comment describing
8857         function.
8858         (reorder_basic_blocks):  Add code to initialize new field (in_trace);
8859         remove call to add_unlikely_executed_notes; add call to
8860         verify_hot_cold_block_grouping.
8861         (duplicate_computed_gotos): Don't change computed goto if it's a
8862         crossing edge.
8863         (partition_hot_cold_basic_blocks):  Update function comment.
8864         * cfgcleanup.c (try_simplify_condjump): Remove redundacy from
8865         condition.
8866         (try_forward_edges): Likewise.
8867         (merge_blocks_move_predecessor_nojumps): Likewise.
8868         (merge_blocks_move_successor_nojumps): Likewise.
8869         (merge_blocks_move): Likewise.
8870         (try_crossjump_bb): Likewise.
8871         * cfglayout.c (update_unlikely_executed_notes): Remove function.
8872         (fixup_reorder_chain): Remove code for adding UNLIKELY_EXECUTED_CODE
8873         notes to cold bb's; remove call to update_unlikely_executed_notes.
8874         (duplicate_insn_chain):  change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
8875         NOTE_INSN_SWITCH_TEXT_SECTIONS.
8876         * cfglayout.h (scan_ahead_for_unlikely_executed_note): Remove
8877         function declaration.
8878         * cfgrtl.c (can_delete_note_p): Remove UNLIKELY_EXECUTED_CODE note
8879         from consideration.
8880         (rtl_can_merge_blocks): Remove redundancy from condition.
8881         (try_redirect_by_replacing_jump): Likewise.
8882         (force_nonfallthru_and_redirect): Remove code for adding
8883         UNLIKELY_EXECUTED_CODE notes to cold bb's.
8884         (commit_one_edge_insertion): Likewise.
8885         (cfg_layout_can_merge_blocks_p): Remove redundancy from condition.
8886         * dbxout.c (FORCE_TEXT): Replace function_section with
8887         current_function_section.
8888         (struct dbx_debug_h): Add do_nothing function for new debug_hooks
8889         function, switch_text_section.
8890         (struct xcoff_debug): Likewise.
8891         (dbxout_function_end): Add code to put out label diffs for both
8892         hot and cold sections.
8893         * debug.c (struct do_nothing_debug_hooks): Add do_nothing function
8894         for new debug_hooks funciton, switch_text_section..
8895         * debug.h (struct gcc_debug_hooks):  Add new function to debug_hooks,
8896         switch_text_section.
8897         * dwarf2out.c (struct dw_fde_struct):  Add five new fields:
8898         dw_fde_hot_section_label, dw_fde_hot_section_end_label,
8899         dw_fde_unlikely_section_label, dw_fde_unlikely_section_end_label and
8900         dw_fde_switched_sections.
8901         (output_call_frame_info):  Add test to see if function switches text
8902         sections in the middle; if so, use appropriate extra hot and cold
8903         section labels to compute size deltas for the hot and cold sections.
8904         (dwarf2out_begin_prologue): Add code to initialize new fields in
8905         dw_fde_struct.
8906         (dwarf2out_switch_text_section): New function (invoked through
8907         debug_hook); updates new fields in dw_fde_struct appropriately and
8908         increments separate_line_info_table_in_use.
8909         (dwarf2_debug_hooks): Initialize switch_text_section function to be
8910         dwarf2out_switch_text_section.
8911         (struct var_loc_node): Add new field, section_label.
8912         (output_aranges): Add code to check whether in hot or cold section and
8913         use the appropriate label in calculating deltas.
8914         (output_ranges): Likewise.
8915         (output_line_info): Add code to check which section we're in and
8916         use appropriate hot/cold label.
8917         (add_location_or_constant_value_attribute): Likewise.
8918         (gen_subprogam_die): Modify arange attributes to use correct labels.
8919         (dwarf2out_begin_block): Change call to function_section into call to
8920         current_function_section.
8921         (dwarf2out_end_block): Likewise.
8922         (dwarf2out_source_line): Likewise.
8923         (dwarf2out_var_location): Add code to check whether in hot or cold
8924         section and use the appropriate label.
8925         * except.c (output_function_exception_table): Change call to
8926         function_section into call to current_function_section.
8927         * final.c (profile_function): Likewise.
8928         (scan_ahead_for_unlikely_executed_note): Remove function.
8929         (final_scan_insn):  Remove calls to
8930         scan_ahead_for_unlikely_executed_note, and related code for switching
8931         to cold section, except for the single time
8932         NOTE_INSN_SWITCH_TEXT_SECTIONS may be encountered;  add calls to
8933         debug_hooks->switch_text_sections; replace appropriate calls to
8934         function_section with calls to current_function_section.
8935         * ifcvt.c (find_if_case_1): Remove redundancy from condition, add
8936         test_bb to condition.
8937         (find_if_case_2): Likewise.
8938         * insn-notes.def: Change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
8939         NOTE_INSN_SWITCH_TEXT_SECTIONS.  Update comment appropriately.
8940         * opts.c (decode_options): Change warning about hot/cold partitioning
8941         with exceptionss to inform (so as not to cause bootstrap failures);
8942         remove warning about partitioning with DWARF debug info.
8943         * output.h (current_function_section): Add new function decl.
8944         (insert_section_boundary_note): Likewise.
8945         (enum in_section): Move this declaration here from varasm.c.
8946         (unlikely_section_label): Likewise.
8947         (unlikely_text_section_name): Likewise.
8948         (last_text_section_name): New global variable.
8949         (last_text_section): Likewise.
8950         (hot_section_label): Likewise.
8951         (hot_section_end_label): Likewise.
8952         (cold_section_end_label): Likewise.
8953         * passes.c (rest_of_handle_final): Free unlikely_text_section_name.
8954         * print-rtl.c (print_rtx): Change NOTE_INSN_UNLIKELY_EXECUTED_CODE
8955         to NOTE_INSN_SWITCH_TEXT_SECTIONS.
8956         * reg-stack.c (emit_swap_insn): Remove UNLIKELY_EXECUTED_CODE note
8957         insn from consideration.
8958         * sdbout.c (sdb_debug_hooks): Add do_nothing for new function,
8959         switch_text_section.
8960         * varasm.c (basic-block.h): Add new include.
8961         (unlikely_section_label_printed): Remove global variable.
8962         (unlikely_section_label): Make global variable not be static any more.
8963         (unlikely_text_section_name): Likewise.
8964         (hot_section_end_label): New global variable (not static)
8965         (first_function_block_is_cold): Likewise.
8966         (hot_section_label): Likewise.
8967         (cold_section_end_label): Likewise..
8968         (last_text_section): New global variable, not static.
8969         (last_text_section_name): New global variable, not static.
8970         (initialize_cold_section_name): New function.
8971         (enum in_section): Move declaration to output.h.
8972         (text_section): Update last_text_section.
8973         (unlikely_text_section): Replace code to determine cold section name
8974         with call to initialize_cold_section_name; Add code to update
8975         last_text_section; remove code for printing out label.
8976         (named_section_real): Add code to update last_text_section and
8977         last_text_section_name as appropriate.
8978         (function_section): Change test for 'unlikely' to depend on
8979         first_function_block_is_cold (moved old test to
8980         current_function_section).
8981         (current_function_section): New function.
8982         (assemble_start_function): Move code that frees
8983         unlikely_text_section_name; initialize hot_section_end_label;
8984         print hot and cold section labels at the start of the function;
8985         set first_function_block_is_cold, if appropriate; initialize l
8986         ast_text_section; add call to insert_section_boundary_note.
8987         (assemble_end_function):  Add code to write out hot and cold section
8988         end labels.
8989         *vmsdbgout.c (vmsdbg_debug_hooks): Add do_nothing for new function,
8990         switch_text_section.
8991         * config/darwin.c (machopic_select_section): Replace incorrect
8992         function in base_funs; update reloc for cold sections if necessary.
8993         * config/darwin.h (SECTION_FUNCTION):  Add code to update
8994         last_text_section if appropriate.
8995         (text_unlikely_section): Remove.
8996         * config/sparc/sparc.c (sparc_output_deferred_case_vectors): Likewise.
8997         * config/stormy16/stormy16.c (stormy_16_output_addr_vec): Likewise.
8998         * config/xtensa/xtensa.c (override_options): Turn off hot/cold
8999         partitioning for this architecture.
9000
9001 2005-03-31  Olivier Hainque  <hainque@adacore.com>
9002
9003         * dwarf2out.c (dwarf2out_frame_finish): Honor DWARF2_FRAME_INFO
9004         defined and non-zero.
9005
9006 2005-03-31  Gabriel Dos Reis  <gdr@integrable-solutions.net>
9007
9008         PR c++/18644
9009         * doc/invoke.texi (-Wsynth): Don't document, as it now is void of
9010         semantics.
9011
9012 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
9013
9014         PR target/20611
9015         * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Remove inline
9016         label operand.  Remove (use (unspec..)).  Don't emit a label on
9017         the offset word.
9018         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Don't
9019         generate inline label for load_toc_v4_PIC_1b.
9020         (rs6000_emit_load_toc_table): Likewise.
9021
9022 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
9023
9024         * config.gcc: Obsolete i860-*-sysv4*, ip2k-*-elf,
9025         ns32k-*-netbsdelf*, and ns32k-*-netbsd*.
9026
9027 2005-03-29  Devang Patel  <dpatel@apple.com>
9028
9029         * tree-sra.c (decide_block_copy): Disable scalarization of
9030         sub-elements.
9031
9032 2005-03-30  Stuart Hastings  <stuart@apple.com>
9033             Dale Johannesen  <dalej@apple.com>
9034
9035         * Makefile.in (print-tree.o):  Depend on tree-iterator.h.
9036         * print-tree.c (print_node):  Add case STATEMENT_LIST.
9037
9038 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
9039
9040         * config.gcc (cpu_is_64bit): Set for 64-bit powerpc cpus.
9041         (powerpc64-*-linux*): Use it.  Rearrange tm_file assignment.
9042         (powerpc-*-linux*): Build a biarch compiler when --enable-targets
9043         is given with "powerpc64*" or "all", or when --with-cpu chooses
9044         a 64-bit cpu.
9045
9046 2005-03-30  James E. Wilson  <wilson@specifixinc.com>
9047
9048         PR debug/20268
9049         * dwarf2out.c (add_high_low_attributes): New function, extracted from
9050         gen_lexical_block_die.
9051         (gen_lexical_block_die, gen_inlined_subroutine_die): Call it.
9052
9053 2005-03-31  Jan Hubicka  <jh@suse.cz>
9054
9055         2004-11-02  Jan Hubicka  <jh@suse.cz>
9056
9057         * cgraph.c (cgraph_varpool_node_name): New function.
9058         (dump_cgraph_varpool_node): New function.
9059         (dump_varpool): New function.
9060         * cgraphunit.c (cgraph_optimize): Dump varpool.
9061
9062         2004-10-16  Jan Hubicka  <jh@suse.cz>
9063
9064         * cgraph.c (decide_is_variable_needed): New function.
9065         (cgraph_varpool_finalize_decl): Use it.
9066         * cgraphunit.c (cgraph_optimize): Assemble_pending_decls when not doing
9067         unit-at-a-time.
9068         * final.c (output_addr_const): Do not call mark_referenced.
9069         * passes.c (rest_of_decl_compilation): ifdef out DECL_RTL_SET_P hack;
9070         always go via cgraph.
9071         * toplev.c (wrapup_global_declarations): Kill non-unit-at-a-time code.
9072         (check_global_declarations): Ifdef out code clearing DECL_RTL.
9073         * tree-optimize.c (execute_inline): Mark functions called.
9074         * i386.c (output_pic_addr_const): Do not call mark_decl_referenced.
9075
9076         2004-10-11  Jan Hubicka  <jh@suse.cz>
9077
9078         * cgraph.c (cgraph_varpool_first_unanalyzed_node): New global voriable
9079         (cgraph_varpool_last_needed_node): New static variable.
9080         (enqueue_needed_varpool_node): Break out from ...; add items to the
9081         end of queue; update first pointers.
9082         (cgraph_varpool_mark_needed_node): ... here.
9083         (cgraph_varpool_finalize_decl): Use enqueue_needed_varpool_node.
9084         (cgraph_varpool_assemble_pending_decls): Move to cgraphunit.c
9085         * cgraph.h (cgraph_varpool_node): Add analyzed field.
9086         (cgraph_varpool_first_unanalyzed_node): Declare.
9087         * cgraphunit.c: Include output.h.
9088         (cgraph_varpool_analyze_pending_decls): New function.
9089         (cgraph_varpool_assemble_pending_decls): Move from cgraph.c; bail out
9090         for errors, analyze pending decls.
9091         (cgraph_finalize_compilation_unit): Only analyze decls.
9092         (cgraph_optimize): Assemble the decls after expanding.
9093
9094 2005-03-30  Daniel Berlin  <dberlin@dberlin.org>
9095
9096         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Make sure
9097         subvars get marked properly in tags for grouping.
9098         (add_pointed_to_var): Mark only actual pointed to
9099         variables/subvars in addresses needed.
9100         (create_overlap_variables_for): Clear call clobbered on original
9101         variable.
9102         * tree-ssa-operands.c (get_asm_expr_operands): Don't let regular
9103         addresable vars with subvars into list.
9104         * tree-ssa.c (verify_ssa_name): Verify original is not used where
9105         subvar should be.
9106
9107 2005-03-30  Richard Henderson  <rth@redhat.com>
9108
9109         * cgraph.h (struct cgraph_node): Add alias.
9110         * varasm.c (assemble_alias): Set it.
9111         * cgraphunit.c (cgraph_assemble_pending_functions): Check it and
9112         avoid calling cgraph_expand_function.
9113
9114 2005-03-30  Tom Tromey  <tromey@redhat.com>
9115
9116         * tree.def (FILE_TYPE): Removed.
9117         * typeclass.h (enum type_class): Removed file_type_class.
9118         * dwarf2out.c (is_base_type): Updated.
9119         (gen_type_die): Likewise.
9120         * dbxout.c (dbxout_type): Updated.
9121         * builtins.c (type_to_class): Updated.
9122         * tree.c (type_contains_placeholder_1): Updated.
9123         * config/sparc/sparc.c (sparc_type_code): Updated.
9124         * config/ia64/ia64.c (hfa_element_mode): Updated.
9125         * expr.c (count_type_elements): Updated.
9126         * stor-layout.c (layout_type): Updated.
9127         * tree-inline.c (remap_type): Updated.
9128         * tree-pretty-print.c (dump_generic_node): Updated.
9129
9130 2005-03-30 Fariborz Jahanian <fjahanian@apple.com>
9131
9132         * builtins.c (expand_builtin_powi): Fix mode of
9133         2nd argument to match int.
9134         * libgcc2.h (__powisf2, __powidf2, __powixf2, __powitf2): Change
9135         2nd argument type to int.
9136         * libgcc2.c: Change prototype of __powi* functions to use
9137         int.
9138
9139 2005-03-30  Dale Johannesen  <dalej@apple.com>
9140
9141         PR middle-end/19225
9142         * calls.c (expand_call):  Flush pending deferrals before
9143         throwing call.
9144
9145 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
9146
9147         PR c/772
9148         PR c/17913
9149         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR,
9150         C_DECL_UNDEFINABLE_STMT_EXPR, struct c_label_list, struct
9151         c_label_context, label_context_stack): New.
9152         * c-decl.c (define_label): Check for jumps into statement
9153         expressions.  Add label to list of defined labels.
9154         (start_function): Push context on label_context_stack.
9155         (finish_function): Pop context from label_context_stack.
9156         * c-typeck.c (label_context_stack): New.
9157         (c_finish_goto_label): Check for jumps into statement
9158         expressions.  Add label to list of jumped to labels.
9159         (struct c_switch): Add blocked_stmt_expr.
9160         (c_start_case): Initialize it.
9161         (do_case): Check it.
9162         (c_finish_case): Verify !blocked_stmt_expr.
9163         (c_begin_stmt_expr):  Push context on label_context_stack.
9164         Increment blocked_stmt_expr.  Mark labels jumped to from outside
9165         as undefinable.
9166         (c_finish_stmt_expr): December blocked_stmt_expr.  Mark labels
9167         defined in the statement expression and no longer jumpable to.
9168         Mark labels jumped to from just outside the statement expression
9169         as again definable.  Pop context from label_context_stack.
9170         * doc/extend.texi (Statement Exprs): Update.
9171
9172 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
9173
9174         PR c/20368
9175         * c-decl.c (start_function): Check for old_decl being
9176         error_mark_node.
9177
9178 2005-03-30  Ian Lance Taylor  <ian@airs.com>
9179
9180         * final.c (final): Remove prescan parameter.  Change all callers.
9181         (final_scan_insn): Remove prescan parameter.  Change all callers.
9182
9183 2005-03-30  Kazu Hirata  <kazu@cs.umass.edu>
9184
9185         * tree-vectorizer.c: Fix comment typos.
9186
9187 2005-03-30  Sebastian Pop  <pop@cri.ensmp.fr>
9188
9189         * tree-scalar-evolution.c (instantiate_parameters_1): Return
9190         as soon as a chrec_dont_know is detected.
9191
9192 2005-03-31  Danny Smith  <dannysmith@users.sourceforge.net>
9193
9194         Merge from csl-arm-branch.
9195         2004-02-12  Mark Mitchell  <mark@codesourcery.com>
9196
9197         * tlink.c (recompile_files): Do not assume that "rename" can
9198         overwrite an existing file.
9199
9200 2005-03-31  Paolo Bonzini  <bonzini@gnu.org>
9201
9202         * gcc/configure.ac (TL_AC_GNU_MAKE_GCC_LIB_PATH): Remove.
9203         * gcc/configure: Regenerate.
9204
9205 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
9206
9207         * doc/install.texi: Update binutils requirement for powerpc*-linux.
9208
9209         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Update comments.
9210
9211         * calls.c (struct arg_data): Update "partial" comment.
9212         (load_register_parameters): Update "nregs" comment.
9213
9214 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
9215
9216         * config/iq2000/iq2000.h (target_flags, MASK_GPOPT, MASK_EMBEDDED_DATA)
9217         (MASK_UNINIT_CONST_IN_RODATA, TARGET_EMBEDDED_DATA, TARGET_SWITCHES)
9218         (TARGET_DEFAULT, TARGET_CPU_DEFAULT, SUBTARGET_TARGET_OPTIONS)
9219         (TARGET_OPTIONS, iq2000_cpu_string, iq2000_arch_string): Delete.
9220         (TARGET_DEBUG_MODE, TARGET_DEBUG_A_MODE, TARGET_DEBUG_B_MODE)
9221         (TARGET_DEBUG_C_MODE, TARGET_DEBUG_D_MODE): Define to 0 rather
9222         than target_flags & 0.
9223         * config/iq2000/iq2000.c (iq2000_cpu_string, iq2000_arch_string)
9224         (iq2000_arch, iq2000_parse_cpu): Delete.
9225         (TARGET_HANDLE_OPTION): Override default.
9226         (iq2000_handle_option): New function.
9227         (override_options): Remove -march= and -mcpu= handling.
9228         * config/iq2000/iq2000.opt: New file.
9229
9230 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
9231
9232         * config/c4x/c4x-protos.h (c4x_rpts_cycles, c4x_cpu_version): Delete.
9233         * config/c4x/c4x.h (SMALL_MEMORY_FLAG, MPYI_FLAG, FAST_FIX_FLAG)
9234         (RPTS_FLAG, C3X_FLAG, TI_FLAG, PARANOID_FLAG, MEMPARM_FLAG, DEVEL_FLAG)
9235         (RPTB_FLAG, BK_FLAG, DB_FLAG, DEBUG_FLAG, HOIST_FLAG)
9236         (LOOP_UNSIGNED_FLAG, FORCE_FLAG, PRESERVE_FLOAT_FLAG)
9237         (PARALLEL_INSN_FLAG, PARALLEL_MPY_FLAG, ALIASES_FLAG, C30_FLAG)
9238         (C31_FLAG, C32_FLAG, C33_FLAG, C40_FLAG, C44_FLAG, TARGET_SWITCHES)
9239         (TARGET_DEFAULT, TARGET_SMALL, TARGET_MPYI, TARGET_FAST_FIX)
9240         (TARGET_RPTS, TARGET_TI, TARGET_PARANOID, TARGET_MEMPARM, TARGET_DEVEL)
9241         (TARGET_RPTB, TARGET_BK, TARGET_DB, TARGET_DEBUG, TARGET_HOIST)
9242         (TARGET_LOOP_UNSIGNED, TARGET_FORCE, TARGET_PRESERVE_FLOAT)
9243         (TARGET_PARALLEL, TARGET_PARALLEL_MPY, TARGET_ALIASES)
9244         (c4x_rpts_cycles_string, c4x_cpu_version_string)
9245         (TARGET_OPTIONS): Delete.
9246         (c4x_rpts_cycles, c4x_cpu_version): Declare.
9247         (TARGET_C3X, TARGET_C30, TARGET_C31, TARGET_C32, TARGET_C33)
9248         (TARGET_C40, TARGET_C44): Redefine in terms of c4x_cpu_version.
9249         * config/c4x/c4x.c (c4x_rpts_cycles_string): Delete.
9250         (c4x_cpu_version_string): Delete.
9251         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
9252         (c4x_handle_option): New function.  Map -m3x and -m4x options to the
9253         equivalent -mcpu= option.
9254         (c4x_override_options): Remove -mrpts= and -mcpu= handling from here.
9255         Deal with the extra conditions in the old TARGET_MPYI, TARGET_RPTB,
9256         TARGET_DB, TARGET_PARALLEL and TARGET_PARALLEL_MPY macros by setting
9257         or clearing the appropriate MASK_* bit.
9258         (c4x_file_start): Use c4x_cpu_version.
9259         * config/c4x/c4x.opt: New file.
9260
9261 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
9262
9263         * doc/options.texi: Document the new MaskExists flag.
9264         * opth-gen.awk: Don't output MASK and TARGET macros for Mask(...)
9265         if the option has the MaskExists flag.
9266
9267 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
9268
9269         * opt-functions.awk (flag_set_p, test_flag): New functions.
9270         (switch_flags): Use them.
9271         * opth-gen.awk: Use flag_set_p to check for flags.
9272         * optc-gen.awk: Likewise.  Use opt_args to check for Init(...) flags.
9273
9274 2005-03-30  Ian Lance Taylor  <ian@airs.com>
9275
9276         * config.host (i[34567]86-*-mingw32*): Don't set
9277         host_can_use_collect2 to no.
9278
9279 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
9280
9281         PR target/20203
9282         * builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL.
9283         Remove convert_memory_address call duplicating that in memory_address.
9284
9285 2005-03-29  Richard Henderson  <rth@redhat.com>
9286
9287         PR c/20519
9288         * c-decl.c (c_finish_incomplete_decl): Update complete_array_type call.
9289         (build_compound_literal): Likewise.  Propagate decl type into the
9290         initializer.
9291         (finish_decl): Likewise.  Use new return value from complete_array_type
9292         for zero sized arrays.
9293         (complete_array_type): Move ...
9294         * c-common.c (complete_array_type): ... here.  Change first argument
9295         to pointer-to-type-node.  Consistently use sizetype for the index
9296         except for zero sized arrays.  Detect zero sized arrays for pedantic
9297         mode diagnostics.  Create a new type node instead of modifying the
9298         old node in place.
9299         * c-tree.h (complete_array_type): Move decl ...
9300         * c-common.h (complete_array_type): ... here.
9301
9302 2005-03-29  Richard Henderson  <rth@redhat.com>
9303
9304         PR tree-opt/19108
9305         * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.
9306
9307 2005-03-29  Kazu Hirata  <kazu@cs.umass.edu>
9308
9309         * builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c,
9310         debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c,
9311         rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h,
9312         tree-profile.c, tsystem.h, value-prof.h: Update copyright.
9313
9314 2005-03-29  Eric Christopher  <echristo@redhat.com>
9315
9316         * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
9317         truthvalue conversion removal.
9318
9319 2005-03-29  Ian Lance Taylor  <ian@airs.com>
9320
9321         PR bootstrap/14316
9322         * collect2.c: Never include <vfork.h>.
9323         (VFORK_STRING, vfork): Don't define.
9324         (pid): Remove global variable.
9325         (handler): Call raise instead of kill (getpid(), ...).
9326         (collect_wait): Add pex parameter.  Change all callers.  Use
9327         pex_get_status rather than pwait.
9328         (do_wait): Add pex parameter.  Change all callers.
9329         (collect_execute): Return struct pex_obj * rather than void.  Use
9330         pex routines rather than pexecute.
9331         (fork_execute): Get pex_obj from collect_execute, and pass it to
9332         do_wait.
9333         (scan_prog_file): Use pex routines rather than pipe/vfork/exec.
9334         Only declare quit_handler if SIGQUIT is defined.
9335         (scan_libraries): Likewise.
9336         * collect2.h (collect_execute): Update declaration.
9337         (collect_wait): Update declaration.
9338         * tlink.c (tlink_execute): Get pex_obj from collect_execute, and
9339         pass it to collect_wait.
9340
9341 2005-03-29  Joseph S. Myers  <joseph@codesourcery.com>
9342
9343         PR c/20672
9344         * c-parser.c (c_parser_compound_statement_nostart): Give error
9345         message for EOF instead of just setting parser->error.
9346
9347 2005-03-29  Dorit Naishlos  <dorit@il.ibm.com>
9348
9349         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed.
9350         (slpeel_update_phi_nodes_for_guard1): New function.
9351         (slpeel_update_phi_nodes_for_guard2): New function.
9352         (slpeel_tree_peel_loop_to_edge): Call above new functions instead
9353         of slpeel_update_phi_nodes_for_guard.
9354         (vectorize_loops): Remove call to loop_closed_rewrite.
9355         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove
9356         assertion.
9357
9358 2005-03-29  Richard Sandiford  <rsandifo@redhat.com>
9359
9360         * config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete.
9361         (TARGET_LITTLE_ENDIAN): New macro.
9362         * config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags)
9363         (TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG)
9364         (TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS)
9365         (TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE)
9366         (TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK)
9367         (TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT)
9368         (TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT)
9369         (TARGET_SWITCHES, m32r_model_string, m32r_sdata_string)
9370         (m32r_cache_flush_trap_string, SUBTARGET_OPTIONS)
9371         (TARGET_OPTIONS): Delete.
9372         (M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums.
9373         (CACHE_FLUSH_TRAP): Turn into an integer.
9374         (TARGET_LITTLE_ENDIAN): Define to 0 by default.
9375         (INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if
9376         -mflush-trap is in use.
9377         * config/m32r/m32r.c (m32r_model_string, m32r_sdata_string)
9378         (m32r_cache_flush_trap_string): Delete.
9379         (m32r_model) Initialize to M32R_MODEL_DEFAULT.
9380         (m32r_sdata): Likewise M32R_SDATA_DEFAULT.
9381         (m32r_cache_trap): Likewise CACHE_FLUSH_TRAP.
9382         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
9383         (m32r_handle_option): New function.  Move -mflush-trap=, -mflush-func=,
9384         -mmodel= and -msdata= handling from...
9385         (m32r_init): ...here.
9386         * config/m32r/m32r.opt: New file.
9387
9388 2005-03-29  Keith Besaw  <kbesaw@us.ibm.com>
9389
9390         * tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
9391         (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
9392         * tree-vect-analyze.c (vect_object_analysis): additional parm
9393         pass back a "struct ptr_info_def *" with the points-to info.
9394         (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
9395         statement using info returned from vect_object_analysis.
9396         * tree-vect-transform.c (update_vuses_to_preheader): New function.
9397         (vect_create_data_ref_ptr): Remove updates to vars_to_rename
9398         for virtual uses and defs when creating a replacement vector
9399         reference.  Call duplicate_ssa_name_ptr_info to define points-to
9400         info for vector pointer replacement using STMT_VINFO_PTR_INFO.
9401         (vectorizable_store): copy_virtual_operands and update
9402         definition statements.
9403         (vectorizable_load): copy_virtual_operands.  Remove call to
9404         mark_call_clobbered_vars_to_rename for call to "const" builtin.
9405         * tree-vectorizer.c (vectorize_loops): Remove calls to
9406         rewrite_into_ssa and bitmap_clear (vars_to_rename).
9407         (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
9408         * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
9409         define macro STMT_VINFO_PTR_INFO for use in accessing.
9410         * tree.h add export of duplicate_ssa_name_ptr_info.
9411         * rs6000.c (altivec_init_builtins): Declare builtin function
9412         __builtin_altivec_mask_for_load to be "const".
9413
9414 2005-03-29  Jakub Jelinek  <jakub@redhat.com>
9415
9416         PR middle-end/20622
9417         * cgraph.h (struct cgraph_varpool_node): Add alias field.
9418         * cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call
9419         assemble_variable on aliases.
9420         * varasm.c (assemble_alias): Set node->alias.
9421         * toplev.c (wrapup_global_declarations): Don't call
9422         rest_of_decl_compilation on aliases again.
9423
9424 2005-03-29  Paul Brook  <paul@codesourcery.com>
9425
9426         * config/arm/arm-protos.h (arm_dbx_register_number): Add prototype.
9427         * config/arm/arm.c (arm_dbx_register_number): New function.
9428         * config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define.
9429
9430 2005-03-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
9431
9432         PR middle-end/20263
9433         * varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use
9434         the DECL_NAME, not the DECL_ASSEMBLER_NAME.
9435
9436 2005-03-29  Dale Johannesen <dalej@apple.com>
9437
9438         * Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H)
9439         $(TREE_H) and $(COVERAGE_H).
9440         * coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME.
9441         * opts.c (common_handle_option): Enable tree-based value transforms.
9442         * toplev.c (process_options): Ditto.
9443         * value-prof.h (struct histogram_value_t): Redefine. "Adjust" below
9444         refers to references to this type.
9445         * tree-flow.h: (struct stmt_ann_d): Add histograms field.
9446         * rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks
9447         for may_be_more, may_be_less.
9448         (rtl_gen_pow2_profiler): Adjust.
9449         (rtl_gen_one_value_profiler_no_edge_manip): Adjust.
9450         (rtl_gen_one_value_profiler): Adjust.
9451         (rtl_gen_const_delta_profiler): Adjust.
9452         * tree-profile.c (tree_gen_interval_profiler): Implement.
9453         (tree_gen_pow2_profiler): Ditto.
9454         (tree_gen_one_value_profiler): Ditto.
9455         (tree_profiling): New.
9456         (pass_tree_profile): Reference it.
9457         * value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h,
9458         tree.h, gcov-io.h.
9459         (insn_divmod_values_to_profile): Rename to
9460         rtl_divmod_values_to_profile. Adjust.
9461         (insn_values_to_profile): Rename to rtl_values_to_profile. Adjust.
9462         (insn_prefetch_values_to_profile): Adjust.
9463         (rtl_value_profile_transformations): Adjust.
9464         (gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value.
9465         (gen_mod_pow2): Rename to rtl_mod_pow2.
9466         (gen_mod_subtract): Rename to rtl_mod_subtract.
9467         (divmod_fixed_value_transform): Rename to
9468         rtl_divmod_fixed_value_transform.
9469         (mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform.
9470         (mod_subtract_transform): Rename to rtl_mod_subtract_transform.
9471         (rtl_find_values_to_profile): Adjust.
9472         (tree_value_profile_transformations): Implement.
9473         (tree_divmod_values_to_profile): New.
9474         (tree_values_to_profile): New.
9475         (tree_divmod_fixed_value): New.
9476         (tree_mod_pow2): New.
9477         (tree_mod_subtract): New.
9478         (tree_divmod_fixed_value_transform): New.
9479         (tree_mod_pow2_value_transform): New.
9480         (tree_mod_subtract_transform): New.
9481         (tree_find_values_to_profile): Implement.
9482         * profile.c (instrument_values):  Free histograms.
9483         (compute_value_histograms): Adjust. Implement tree version.
9484
9485 2005-03-29  Uros Bizjak  <uros@kss-loka.si>
9486
9487         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST> case.
9488         * config/i386/i386.c (output_fix_trunc): Add new round_mode
9489         variable.  Output "fldcw" depending on round_mode.
9490         * config/i386/i386.md (UNSPEC_FIST): New.
9491         (fistdi2, fistdi2_with_temp, fist<mode>2, fist<mode>2_with_temp):
9492         New isns patterns to implement lrint and llrint built-ins as x87
9493         intrinsic function.
9494         (fistdi2, fist<mode>2 splitters): New splitters.
9495         (lrint<mode>2): New expanders.
9496
9497 2005-03-28  Ian Lance Taylor  <ian@airs.com>
9498
9499         * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
9500         0 when calling final_scan_insn.
9501
9502 2005-03-28  Jan Hubicka  <jh@suse.cz>
9503
9504         PR middle-end/20635
9505         * varasm.c (mark_decl_referenced): Do not mark extern inline functions
9506         as needed.
9507
9508         * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
9509         types where possible.
9510
9511 2005-03-26  Per Bothner  <per@bothner.com>
9512
9513         Make -f[no-]show-column also control non-cpp diagnostics.
9514         * c.opt (fshow-column): Move option from here ...
9515         * common.opt (fshow-column): ... to here.
9516         * diagnostic.c (diagnostic_build_prefix): Only print column number
9517         if flag_show_column.
9518
9519 2005-03-27  Steven Bosscher  <stevenb@suse.de>
9520
9521         * vax-protos.h (vax_output_int_move, vax_output_int_add,
9522         vax_output_conditional_branch): New prototypes.
9523         * vax.c (vax_output_int_move, vax_output_int_add): New functions,
9524         extracted from vax.md mov and add patterns.
9525         (vax_output_conditional_branch): New function to output conditional
9526         branch instructions.
9527         * vax.md: Use mode macros for arithmetic and mov patterns.
9528         Use code macros for the jump patterns.
9529
9530 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
9531
9532         * Makefile.in (libbackend.o): Depend on version files;
9533         add custom generation command.
9534
9535 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
9536
9537         PR target/20636
9538         * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
9539         sure that we have a REG before getting its REGNO.
9540
9541 2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9542
9543         * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
9544         * builtins.def (BUILT_IN_STRNDUP): New.
9545
9546 2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>
9547
9548         PR tree-optimization/20470
9549         * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
9550         ABS(x-y).
9551
9552 2005-03-25  Mike Stump  <mrs@apple.com>
9553
9554         * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
9555         sized objects.
9556
9557 2005-03-25  Geoffrey Keating  <geoffk@apple.com>
9558
9559         * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
9560         Use our own structure definitions.
9561
9562         * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
9563         (fix_truncdfsi2): Allow registers or memory as destination.
9564         When TARGET_PPC_GFXOPT, generate simplified pattern.
9565         (fix_truncdfsi2_internal): Use define_insn_and_split.
9566         (fix_truncdfsi2_internal_gfxopt): New.
9567         (fctiwz): Don't confuse register allocation by giving it no choices.
9568         (stfiwx): New.
9569         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
9570         (EXTRA_MEMORY_CONSTRAINT): Likewise.
9571         * config/rs6000/rs6000.c (indexed_or_indirect_operand): New.
9572         * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
9573
9574 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
9575
9576         * dominance.c (free_dominance_info): Speed up by freeing et
9577         data structures without maintaining other nodes.
9578         * et-forest.c (et_free_tree_force): New.
9579         * et-forest.h: Add a prototype for et_free_tree_force.
9580
9581         * tree.c (get_set_constructor_bits,
9582         get_set_constructor_bytes): Remove.
9583         * tree.h: Remove the corresponding prototypes.
9584
9585 2005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
9586
9587         PR target/15491
9588         * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
9589         (vax_rtx_costs): Return false when passed unsupported rtx's.  Handle
9590         FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE.  Fix costs for POST_INC,
9591         PRE_DEC, NEG and NOT.
9592
9593 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
9594
9595         * fold-const.c: Convert uses of fold (build (...)) to
9596         fold_buildN.
9597
9598 2005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>
9599
9600         PR rtl-optimization/20249
9601         * cse.c (insert_regs): Do not record equivalence of registers in
9602         different modes.
9603
9604 2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>
9605
9606         * emit-rtl.c (reverse_comparison): Remove.
9607         * rtl.h: Remove the corresponding prototype.
9608
9609 2005-03-24  James E Wilson  <wilson@specifixinc.com>
9610
9611         * doc/install.texi (--enable-altivec): Delete docs.
9612
9613 2005-03-24  David Edelsohn  <edelsohn@gnu.org>
9614
9615         * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
9616         SFmode and DFmode before reload when
9617         flag_unsafe_math_optimizations not enabled.
9618
9619 2005-03-24  Geoffrey Keating  <geoffk@apple.com>
9620
9621         * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
9622
9623         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
9624         MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
9625
9626 2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>
9627
9628         * configure.ac (enable-checking): Add 'runtime' option.
9629         * doc/install.texi (enable-checking): Document 'runtime' checking.
9630         * tsystem.h (gcc_assert, gcc_unreachable): Define.
9631         * config.in: Regenerated.
9632         * configure: Regenerated.
9633
9634 2005-03-23  Uros Bizjak  <uros@kss-loka.si>
9635
9636         * optabs.h (enum optab_index): Remove OTI_llrint.
9637         (llrint_optab): Remove macro.
9638         * optabs.c (init_optabs): Remove llrint_optab initialization.
9639         * genopinit.c (optabs): Remove llrint_optab implementation.
9640         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
9641         using lrint_optab.
9642
9643 2005-03-24  Alexandre Oliva  <aoliva@redhat.com>
9644
9645         PR rtl-optimization/20532
9646         * simplify-rtx.c (simplify_binary_operation_1): Protect from
9647         overflow when adding coefficients for PLUS or MINUS.
9648         (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
9649         two as multiplier.
9650
9651 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
9652
9653         * langhooks.h (truthvalue_conversion): Remove.
9654         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
9655         LANG_HOOKS_TRUTHVALUE_CONVERSION.
9656         * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
9657         * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
9658         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
9659
9660 2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>
9661
9662         * params.def: Fix a typo.
9663         * config/mips/mips.c: Follow the spelling convensions.
9664         * doc/invoke.texi: Fix typos.
9665
9666 2005-03-23  Daniel Berlin  <dberlin@dberlin.org>
9667
9668         Fix PR tree-optimization/20601
9669
9670         * tree-ssa-pre.c (insert_aux): Add missing condition to
9671         constification.
9672
9673 2005-03-23  Ian Lance Taylor  <ian@airs.com>
9674
9675         * final.c (final_scan_insn): Don't remove no-op instructions.
9676         * reload1.c (reload): Remove simple no-op instructions even when
9677         not optimizing.
9678
9679 2005-03-23  Dorit Naishlos  <dorit@il.ib.com>
9680
9681         PR tree-optimization/20501
9682         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
9683         reporting that peeling for alignment is applied moved to...
9684         * (vect_analyze_data_refs_alignment): Here.
9685
9686 2005-03-23  Ian Lance Taylor  <ian@airs.com>
9687
9688         * reorg.c (dbr_schedule): Remove #if 0 code to call final.
9689
9690 2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
9691
9692         * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
9693         Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
9694
9695 2005-03-23  Hans-Peter Nilsson  <hp@axis.com>
9696
9697         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
9698         imply that this is called once, independent of asms in code.
9699         Adjust to now being pased output and input lists.  Mention helper
9700         function decl_overlaps_hard_reg_set_p.
9701         * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
9702         hook_tree_tree_identity and to take three trees, returning third.
9703         * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
9704         prototype.
9705         * stmt.c: include hard-reg-set.h before tree.h.
9706         (decl_overlaps_hard_reg_set_p): New function, broken out from...
9707         (decl_conflicts_with_clobbers_p): Call
9708         decl_overlaps_hard_reg_set_p.
9709         (expand_asm_operands): Pass output and input lists in call to
9710         targetm.md_asm_clobbers.
9711         * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
9712         hook_tree_tree_tree_tree_3rd_identity.
9713         * target.h (struct gcc_target.md_asm_clobbers): Take three tree
9714         parameters.
9715         * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
9716         * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
9717         parameters, first two unused.
9718         * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
9719         parameters.  Only add MOF to clobbers if there's no 'h' mentioned
9720         in constraint letters and MOF is not mentioned as a asm-declared
9721         register in neither of the input and output lists.
9722
9723 2005-03-23  DJ Delorie  <dj@redhat.com>
9724
9725         * optabs.c (expand_binop): Make sure the first subword's result
9726         gets stored.
9727
9728 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
9729
9730         * c-common.c (c_common_truthvalue_conversion): Adjust comment.
9731         Call c_common_truthvalue_conversion rather than
9732         lang_hooks.truthvalue_conversion.
9733         * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
9734         * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
9735         c-typeck.c.
9736         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
9737         c_common_truthvalue_conversion.
9738         * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
9739         c_parser_conditional_expression, c_parser_binary_expression): Call
9740         c_objc_common_truthvalue_conversion.
9741         * c-typeck.c (build_unary_op): Call
9742         c_objc_common_truthvalue_conversion.
9743         (build_conditional_expr): Do not call
9744         lang_hooks.truthvalue_conversion.
9745         (build_binary_op): Call c_common_truthvalue_conversion.
9746         (c_objc_common_truthvalue_conversion): Moved from
9747         c-objc-common.c.  Call default_function_array_conversion instead
9748         of default_conversion.
9749
9750 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
9751
9752         * c-common.h (default_conversion): Remove.
9753         (perform_integral_promotions): Add.
9754         * c-tree.h (default_conversion): Add.
9755         * c-typeck.c (perform_integral_promotions): New, split out from
9756         default_conversion.
9757         * c-common.c (check_case_value): Use perform_integral_promotions,
9758         not default_conversion.
9759         (c_add_case_label): Don't continue processing case label after
9760         found to be pointer.
9761
9762 2005-03-23  Mark Mitchell  <mark@codesourcery.com>
9763
9764         * gcc.c (do_spec_1): Do not add a -L path for a directory in
9765         the prefix list if we have already added a multilib directory
9766         based on that path.
9767         (main): Do not add MD_EXEC_PREFIX to the list of directories to
9768         search with -L.
9769
9770 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
9771
9772         * reload1.c (indirect_symref_ok, reload_obstack): Make them
9773         static.
9774         * reload.h: Remove the prototype for indirect_symref_ok.
9775
9776         * reload1.c (indirect_symref_ok): Make it global.
9777         * reload.h: Add a prototype for indirect_symref_ok.
9778
9779 2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
9780
9781         * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
9782         ashlhi3 expander.
9783
9784 2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
9785
9786         * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
9787
9788 2005-03-22  Daniel Berlin  <dberlin@dberlin.org>
9789
9790         * c-opts.c (c_common_parse_file): Only start/end main source file
9791         if debug hooks says the writer wants it.
9792         * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
9793         member.
9794         (xcoff_debug_hooks): Ditto.
9795         * debug.c (do_nothing_hooks): Ditto.
9796         * debug.h (gcc_debug_hooks): Ditto.
9797         * dwarf2out.c (dwarf2_debug_hooks): Ditto.
9798         * sdbout.c (sdb_debug_hooks): Ditto.
9799         * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
9800
9801 2005-03-22  Mark Mitchell  <mark@codesourcery.com>
9802
9803         * doc/extend.texi: Deprecate C++ min/max operators.
9804
9805 2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>
9806
9807         * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
9808         artificial original candidates.
9809
9810 2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
9811             Jan Hubicka  <jh@suse.cz>
9812             Steven Bosscher <stevenb@suse.de>
9813
9814         * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
9815         call cost based on argument sizes.
9816         (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
9817         inlining.
9818         * params.def: (max-inline-inssn-single): Set to 450.
9819         (max-inline-insns-auto): Set to 90.
9820         (max-inline-insns-recursive): Set to 450
9821         (max-inline-insns-recursive-auto): Set to 450.
9822         (large-function-insns): Set to 2700.
9823         (inline-call-cost): New parameter.
9824         * tree-inline.c (estimate_move_cost): New function.
9825         (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
9826         for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
9827         based on arguments.
9828         * tree-inline.h (estimate_move_cost): Declare.
9829         * invoke.texi: (max-inline-inssn-single): Change default to 450.
9830         (max-inline-insns-auto): Change default to 90.
9831         (max-inline-insns-recursive): Change default to 450
9832         (max-inline-insns-recursive-auto): Change default to 450.
9833         (large-function-insns): Change default to 2700.
9834         (inline-call-cost): Document new parameter.
9835
9836 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
9837
9838         * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
9839         (TARGET_DEFAULT): Delete.
9840         * config/i860/i860.opt: New file.
9841
9842 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
9843
9844         * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
9845         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
9846         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
9847         (frv_sched_lookahead): Delete.
9848         * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
9849         (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
9850         (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
9851         (MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
9852         (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
9853         (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
9854         (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
9855         (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
9856         (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
9857         (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
9858         (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
9859         (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
9860         (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
9861         (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
9862         (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
9863         (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
9864         (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
9865         (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
9866         (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
9867         (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
9868         (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
9869         (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
9870         * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
9871         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
9872         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
9873         (frv_sched_lookahead): Delete.
9874         (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
9875         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
9876         (frv_handle_option): New function.  Move -mcpu= handling from...
9877         (frv_override_options): ...here.  Remove handling of other
9878         TARGET_OPTIONS.
9879         (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
9880         TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
9881         (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
9882         and TARGET_NO_MULTI_CE.
9883         (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
9884         !TARGET_VLIW_BRANCH.
9885         * config/frv/frv.opt: New file.
9886
9887 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
9888
9889         * fold-const.c (fold_ternary): Take decomposed arguments of
9890         CALL_EXPR.
9891         (fold): Update a call to fold_ternary.
9892
9893         * fold-const.c (fold_build1, fold_build2, fold_build3): New.
9894         * tree.h: Add corresponding prototypes.
9895
9896 2005-03-22  Jakub Jelinek  <jakub@redhat.com>
9897
9898         PR target/20561
9899         * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
9900         between jump table and its label.
9901         * final.c (shorten_branches): Handle notes in between ADDR_VEC
9902         resp. ADDR_DIFF_VEC and the label preceeding it.
9903         (final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
9904         is emitted in the right section.
9905
9906 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
9907
9908         * fold-const.c (fold_unary, fold_binary): Update comments
9909         about arguments.
9910
9911 2005-03-22  Hans-Peter Nilsson  <hp@axis.com>
9912
9913         PR rtl-optimization/20527
9914         * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
9915         REG_INC note, test that the register also isn't mentioned in PRED
9916         or SUCC.
9917
9918 2005-03-22  Ben Elliston  <bje@au.ibm.com>
9919
9920         * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
9921         and definition.
9922
9923 2005-03-21  Mike Stump  <mrs@apple.com>
9924
9925         * varasm.c (default_assemble_visibility): Remove extra ().
9926
9927 2005-03-21  Roger Sayle  <roger@eyesopen.com>
9928
9929         PR middle-end/20557
9930         * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
9931         to determine whether a block can be duplicated, rather than test
9932         whether the block contains noncopyable insns ourselves.
9933
9934 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
9935
9936         * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
9937         predicates.
9938
9939 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
9940
9941         * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
9942
9943 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
9944
9945         * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
9946         (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
9947         * config/fr30/fr30.opt: New file.
9948
9949 2005-03-18  Daniel Berlin  <dberlin@dberlin.org>
9950
9951         Fix PR tree-optimization/20542
9952
9953         * tree-flow-inline.h (overlap_subvar): Move to here.
9954         * tree-ssa-operands.c: From here.
9955         * tree-flow.h (overlap_subvar): Declare.
9956         * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
9957         * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
9958         for variables with subvars.
9959
9960 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
9961
9962         PR middle-end/20177
9963         * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
9964         * modulo-sched.c (const_iteration_count): Return on NULL
9965         pre-header.
9966         (print_node_sched_params): Return on NULL dump_file.
9967         (generate_reg_moves): Handle reg-anti dependencies and disregard
9968         closing branch when generating register moves.
9969         (sms_schedule): Mark the SMSed block dirty.
9970         * passes.c (rest_of_handle_sms): Call update_life_info for all
9971         basic-blocks.
9972         * testsuite/gcc.dg/20050321-1.c: New test.
9973
9974 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
9975
9976         * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
9977         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
9978         movqi_internal): Likewise.
9979
9980 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
9981
9982         * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
9983         xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
9984         xtensa_b4const): Delete prototypes.
9985         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
9986         xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
9987         (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
9988         xtensa_extra_constraint): New prototypes.
9989         (add_operand, arith_operand, nonimmed_operand, mem_operand,
9990         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
9991         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
9992         move_operand, const_float_1_operand, fpmem_offset_operand,
9993         branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
9994         * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
9995         (xtensa_b4const_or_zero): ...this.  Change return type to bool and
9996         argument type to HOST_WIDE_INT.
9997         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
9998         xtensa_mask_immediate): Likewise.
9999         (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
10000         Likewise.  Also make these functions static.
10001         (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
10002         (xtensa_const_ok_for_letter_p): New.
10003         (add_operand, arith_operand, nonimmed_operand, mem_operand,
10004         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
10005         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
10006         move_operand, const_float_1_operand, fpmem_offset_operand,
10007         branch_operator, ubranch_operator, boolean_operator): Move to
10008         predicates.md.
10009         (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
10010         (xtensa_mem_offset): Change return type to bool.
10011         (xtensa_extra_constraint): New.
10012         (gen_int_relational): Update type of const_range_p function pointer.
10013         Use xtensa_b4const_or_zero.
10014         * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
10015         xtensa_const_ok_for_letter_p.  Update comments.
10016         (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
10017         (PREDICATE_CODES): Delete.
10018         * config/xtensa/xtensa.md: Include predicates.md.
10019         * config/xtensa/predicates.md: New file.
10020
10021 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
10022
10023         * config/v850/v850-protos.h: Remove the prototypes for
10024         reg_or_int9_operand, reg_or_const_operand,
10025         pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
10026         reg_or_0_operand, reg_or_int5_operand, call_address_operand,
10027         movsi_source_operand, power_of_two_operand,
10028         not_power_of_two_operand, special_symbolref_operand,
10029         pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
10030         register_is_ok_for_epilogue.
10031         * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
10032         reg_or_int9_operand, reg_or_const_operand,
10033         call_address_operand, special_symbolref_operand,
10034         movsi_source_operand, power_of_two_operand,
10035         not_power_of_two_operand, register_is_ok_for_epilogue,
10036         pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
10037         pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
10038         predicates.md.
10039         * config/v850/v850.h (PREDICATE_CODES): Remove.
10040         * config/v850/v850.md: Include predicates.md.
10041         * config/v850/predicates.md: New.
10042
10043 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
10044
10045         * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
10046         (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
10047         (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
10048         (itoolsdir, itoolsdatadir): Move definition above new first use.
10049         (install-itoolsdirs): New rule.
10050         (install-mkheaders): Depend on install-itoolsdirs, not
10051         install-include-dir.
10052
10053 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
10054
10055         * tree-into-ssa.c: Remove obsolete comments.
10056
10057 2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
10058
10059         * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
10060         unrolling if -fpeel-loops is specified, too.
10061         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
10062         Remove superfluous check for flag_unroll_loops.
10063
10064 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
10065
10066         * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
10067         (lrint_optab, llrint_optab): Define corresponding macros.
10068         * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
10069         * genopinit.c (optabs): Implement lrint_optab using lrintsi2
10070         pattern and llrint_optab using llrintdi2 patterns.
10071         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
10072         using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
10073         (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
10074         BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
10075         flag_unsafe_math_optimizations is set.
10076
10077 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
10078
10079         * combine.c (combine_simplify_rtx, simplify_if_then_else,
10080         simplify_logical, if_then_else_cond, known_cond,
10081         simplify_comparison): Adjust calls to reverse_comparison.
10082         Don't use combine_reversed_comparison_code).
10083         (combine_reversed_comparison_code): Remove.
10084         (reversed_comparison): Using reversed_comparison_code, move it...
10085         * jump.c (reversed_comparison): ... here.
10086         * rtl.h (reversed_comparison): Add prototype.
10087
10088 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
10089
10090         * builtins.c (fold_builtin): Take decomposed arguments of
10091         CALL_EXPR.
10092         * fold-const.c (fold_ternary): Update a call to fold_builtin.
10093         * gimplify.c (gimplify_call_expr): Likewise.
10094         * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
10095         * tree.h: Update the prototype of fold_builtin.
10096
10097 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
10098
10099         * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
10100         * rtlhooks.c (gen_lowpart_no_emit_general): New.
10101         * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
10102         (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
10103         * simplify-rtx.c (simplify_binary_operation_1): Use it.
10104
10105 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
10106
10107         * builtins.c (fold_builtin_1): Take decomposed arguments of
10108         CALL_EXPR.
10109         (fold_builtin): Update a call to fold_builtin_1.
10110
10111 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
10112
10113         PR other/20564
10114         * gcov.c (output_lines): Only output function block summary when
10115         outputting branch information.
10116         * doc/gcov.texi: Document format of preamble and additional block
10117         information lines.
10118
10119 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
10120
10121         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
10122         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
10123         the defaults false if BITS_PER_UNIT != 8.
10124         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
10125         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
10126         than BITS_PER_UNIT != 8.
10127         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
10128         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
10129         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
10130         #undefs.
10131         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
10132         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
10133
10134 2005-03-20  Roger Sayle  <roger@eyesopen.com>
10135
10136         PR middle-end/20539
10137         * fold-const.c (fold_binary): Fix type mismatch between
10138         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
10139         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
10140         for non-truth-valued expressions.
10141
10142         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
10143         and FUNCTION_DECL in the main switch.
10144         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
10145         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
10146         we also need to convert their operands to match.
10147         <TRUTH_NOT_EXPR>: Likewise.
10148
10149 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
10150
10151         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
10152         diagnostic without checking whether an lvalue.
10153         * c-common.h (lvalue_p): Remove.
10154         (enum lvalue_use): Update comment.
10155         (lvalue_or_else): Replace by lvalue_error.
10156         * c-typeck.c (lvalue_p): Make static.
10157         (lvalue_or_else): New.  Call lvalue_error.
10158
10159 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
10160
10161         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
10162         (function_arg_advance): Use rs6000_parm_start.
10163         (function_arg, rs6000_arg_partial_bytes): Likewise.
10164
10165 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
10166
10167         * c-common.c (check_case_value): Adjust comment about stripping
10168         NOPs.
10169         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
10170         * c-typeck.c (default_conversion, convert_arguments,
10171         build_modify_expr, convert_for_assignment, store_init_value,
10172         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
10173         manually.  Remove inaccurate comments.
10174
10175 2005-03-20  Roger Sayle  <roger@eyesopen.com>
10176             Joseph S. Myers  <joseph@codesourcery.com>
10177
10178         * varasm.c (do_assemble_alias): Restore comment describing function.
10179         Annotate the target parameter as potentially unused.
10180
10181 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
10182
10183         PR target/18551
10184         * config/avr/avr.c (avr_output_function_prologue): Do not use
10185         current_function_name() in a label, use a local label instead.
10186
10187 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
10188
10189         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
10190         flag_finite_math_only, not flag_unsafe_math_optimizations.
10191
10192 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
10193
10194         * builtins.c (fold_builtin_1): Update a call to
10195         targetm.fold_builtin.
10196         * hooks.c (hook_tree_tree_bool_null): Rename to
10197         hook_tree_tree_tree_bool_null.  Take one more argument of type
10198         tree.
10199         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
10200         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
10201         hook_tree_tree_tree_bool_null.
10202         * target.h (gcc_target): Update the prototype of fold_builtin.
10203         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
10204         arguments of CALL_EXPR.
10205         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
10206         new prototype.
10207
10208 2005-03-20  Jan Hubicka  <jh@suse.cz>
10209
10210         * cgraph.h (cgraph_node): Add prev_clone pointer.
10211         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
10212         (cgraph_clone_node): Produce doubly linked chain.
10213
10214 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
10215
10216         * c-common.c (handle_aligned_attribute, check_function_sentinel,
10217         get_nonnull_operand, handle_sentinel_attribute,
10218         check_function_arguments_recurse): Do not strip NOPS from
10219         INTEGER_CSTs.
10220         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
10221         Likewise.
10222         * c-format.c (get_constant): Likewise.
10223         * c-parser.c (c_parser_postfix_expression): Likewise.
10224         * c-typeck.c (set_init_index): Likewise.
10225         (convert_arguments): Don't check for NOP_EXPR containing integer
10226         constant.
10227
10228 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
10229
10230         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
10231         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
10232         Take decomposed arguments of CALL_EXPR.
10233         (fold_builtin_1): Update calls to the functions mentioned
10234         above.
10235
10236 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
10237
10238         * c-decl.c (check_bitfield_type_and_width): Require bit-field
10239         width to have integer type.
10240         (build_enumerator): Require enumerator value to have integer type.
10241
10242 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
10243
10244         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
10245         to __builtin_inff.
10246
10247 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
10248
10249         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
10250         std=iso9899:199x): Correct descriptions.
10251
10252 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
10253
10254         * config.gcc: Consistently use solaris2.1[0-9]* instead of
10255         solaris2.1[0-9].
10256
10257 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
10258
10259         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
10260         of CALL_EXPR.
10261         (expand_builtin_memcpy, fold_builtin_1): Update calls to
10262         fold_builtin_memcpy.
10263
10264         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
10265         arguments of CALL_EXPR.
10266         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
10267         fold_builtin_found, fold_builtin_1): Update calls to
10268         fold_trunc_transparent_mathfn.
10269
10270 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10271
10272         PR middle-end/20493
10273         * fold-const.c (fold_widened_comparison): Don't optimize casts of
10274         function pointers on targets that require function pointer
10275         canonicalization.
10276         (fold_sign_changed_comparison): Likewise.
10277
10278 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
10279
10280         * combine.c (try_combine): When changing the mode of a hard reg, make
10281         sure that doing so is valid.
10282
10283 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
10284
10285         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
10286         (TARGET_HANDLE_OPTION): Override default.
10287         (avr_handle_option): New function.
10288         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
10289         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
10290         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
10291         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
10292         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
10293         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
10294         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
10295         (TARGET_OPTIONS): Delete.
10296         * config/avr/avr.opt: New file.
10297
10298 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
10299
10300         * config/m32r/m32r-protos.h: Remove the prototypes for
10301         call_address_operand, symbolic_operand, seth_add3_operand,
10302         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
10303         reg_or_uint16_operand, reg_or_cmp_int16_operand,
10304         two_insn_const_operand, move_src_operand,
10305         move_double_src_operand, move_dest_operand,
10306         eqne_comparison_operator, signed_comparison_operator,
10307         large_insn_p, conditional_move_operand, carry_compare_operand,
10308         m32r_block_immediate_operand, extend_operand,
10309         reg_or_eq_int16_operand, int8_operand, and
10310         reg_or_zero_operand.
10311         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
10312         seth_add3_operand, int8_operand, cmp_int16_operand,
10313         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
10314         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
10315         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
10316         move_double_src_operand, move_dest_operand,
10317         eqne_comparison_operator, signed_comparison_operator,
10318         extend_operand, small_insn_p, large_insn_p,
10319         conditional_move_operand, carry_compare_operand,
10320         m32r_block_immediate_operand): Move to predicates.md.
10321         (MAX_MOVE_BYTES): Move to m32r.h.
10322         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
10323         * config/m32r/m32r.md: Include predicates.md.
10324         * config/m32r/predicates.md: New.
10325
10326 2005-03-18  James E Wilson  <wilson@specifixinc.com>
10327
10328         PR c++/19769
10329         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
10330         origin.
10331
10332 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
10333
10334         * config/mn10300/mn10300-protos.h: Remove the prototypes for
10335         call_address_operand, const_8bit_operand.
10336         * config/mn10300/mn10300.c (call_address_operand,
10337         const_8bit_operand, const_1f_operand): Move to predicates.md.
10338         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
10339         * config/mn10300/mn10300.md: Include predicates.md.
10340         * config/mn10300/predicates.md: New.
10341
10342 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
10343
10344         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
10345         declarations in diagnostics and %E for identifiers, not %s.
10346
10347 2005-03-18  Jan Hubicka  <jh@suse.cz>
10348             Dale Johannesen  <dalej@apple.com>
10349
10350         * basic-block.h (scale_bbs_frequencies_int,
10351         scale_bbs_frequencies_gcov_type): Declare.
10352         * cfg.c (RDIV): New macro.
10353         (update_bb_frequency_for_threading): Fix.
10354         * basic-block.h (scale_bbs_frequencies_int,
10355         scale_bbs_frequencies_gcov_type): New.
10356         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
10357         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
10358         scale_bbs_frequencies_int.
10359         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
10360
10361 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
10362
10363         * config/m32r/m32r-protos.h: Remove the prototypes for
10364         call_address_operand, symbolic_operand, seth_add3_operand,
10365         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
10366         reg_or_uint16_operand, reg_or_cmp_int16_operand,
10367         two_insn_const_operand, move_src_operand,
10368         move_double_src_operand, move_dest_operand,
10369         eqne_comparison_operator, signed_comparison_operator,
10370         large_insn_p, conditional_move_operand, carry_compare_operand,
10371         m32r_block_immediate_operand, extend_operand,
10372         reg_or_eq_int16_operand, int8_operand, and
10373         reg_or_zero_operand.
10374         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
10375         seth_add3_operand, int8_operand, cmp_int16_operand,
10376         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
10377         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
10378         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
10379         move_double_src_operand, move_dest_operand,
10380         eqne_comparison_operator, signed_comparison_operator,
10381         extend_operand, small_insn_p, large_insn_p,
10382         conditional_move_operand, carry_compare_operand,
10383         m32r_block_immediate_operand): Move to predicates.md.
10384         (MAX_MOVE_BYTES): Move to m32r.h.
10385         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
10386         * config/m32r/m32r.md: Include predicates.md.
10387         * config/m32r/predicates.md: New.
10388
10389         * config/pa/pa-protos.h: Add prototypes for magic_milli and
10390         shadd_constant_p.
10391         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
10392         symbolic_operand, symbolic_memory_operand,
10393         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
10394         indexed_memory_operand, move_dest_operand, move_src_operand,
10395         prefetch_cc_operand, prefetch_nocc_operand,
10396         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
10397         arith_operand, arith11_operand, pre_cint_operand,
10398         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
10399         ireg_operand, int5_operand, uint5_operand, int11_operand,
10400         uint32_operand, arith5_operand, and_operand, ior_operand,
10401         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
10402         pc_or_label_operand, div_operand, plus_xor_ior_operator,
10403         shadd_operand, movb_comparison_operator,
10404         cmpib_comparison_operator): Move to predicates.md.
10405         (magic_milli, shadd_constant_p): Make it extern.
10406         * config/pa/pa.h (PREDICATE_CODES): Remove.
10407         * config/pa/pa.md: Include predicates.md.
10408         * config/pa/predicates.md: New.
10409
10410         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
10411         predicate.
10412
10413 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
10414
10415         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
10416         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
10417         config/alpha/freebsd.h, config/alpha/linux.h,
10418         config/alpha/netbsd.h, config/alpha/osf5.h,
10419         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
10420         config/h8300/h8300-protos.h, config/h8300/h8300.c,
10421         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
10422         doc/cppopts.texi: Update copyright.
10423
10424 2005-03-18  Jan Hubicka  <jh@suse.cz>
10425
10426         PR middle-end/20225
10427         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
10428         too late.
10429         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
10430         called too late.
10431
10432 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
10433
10434         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
10435         VEC_safe_push.
10436
10437 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
10438
10439         * combine.c (gen_binary): Remove.
10440         (known_cond, simplify_shift_const, find_split_point,
10441         combine_simplify_rtx, simplify_if_then_else, simplify_set,
10442         simplify_logical, expand_field_assignment, extract_left_shift,
10443         force_to_mode, if_then_else_cond, apply_distributive_law,
10444         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
10445         simplify_comparison, reversed_comparison): Replace with
10446         simplify_gen_binary, simplify_gen_relational or
10447         distribute_and_simplify_rtx.
10448         (distribute_and_simplify_rtx): New function.
10449
10450 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
10451             Paolo Bonzini  <gcc.gnu.org>
10452
10453         * calls.c (setjmp_call_p, special_function_p): Update comments
10454         at the head of the functions.
10455
10456 2005-03-18  Jan Hubicka  <jh@suse.cz>
10457
10458         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
10459
10460         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
10461         function body should be released; do not proactively release function
10462         bodies in non-unit-at-a-time mode.
10463
10464 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
10465
10466         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
10467         mno-fp-ret-in-387 multilib variants.
10468
10469 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
10470
10471         * common.opt (m): Remove.
10472         * opts.c (handle_option): Pass 'm' options to set_target_switch if
10473         table lookup fails.
10474         (common_handle_option): Remove OPT_m case.
10475
10476 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
10477
10478         * builtins.c (fold_builtin_bitop): Take decomposed arguments
10479         of CALL_EXPR.
10480         (fold_builtin_1): Update a call to fold_builtin_bitop.
10481
10482         * builtins.c (fold_builtin_signbit): Take decomposed arguments
10483         of CALL_EXPR.
10484         (fold_builtin_1): Update a call to fold_builtin_signbit.
10485
10486 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
10487
10488         PR tree-optimization/20474
10489         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
10490         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
10491
10492 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
10493
10494         * config/h8300/h8300-protos.h: Remove prototypes for
10495         general_operand_src, general_operand_dst, single_one_operand,
10496         single_zero_operand, call_insn_operand,
10497         two_insn_adds_subs_operand, small_call_insn_operand,
10498         jump_address_operand, bit_operand, bit_memory_operand,
10499         stack_pointer_operand, const_int_gt_2_operand,
10500         const_int_ge_8_operand, const_int_qi_operand,
10501         const_int_hi_operand, incdec_operand, bit_operator,
10502         nshift_operator, eqne_operator, gtle_operator,
10503         gtuleu_operator, iorxor_operator.
10504         Add prototypes for h8sx_shift_type h8sx_classify_shift and
10505         h8300_ldm_stm_parallel.
10506         * config/h8300/h8300.c (h8sx_shift_type,): Move to
10507         h8300-protos.h.
10508         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
10509         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
10510         (h8300_ldm_stm_parallel): Make it extern.
10511         (h8300_ldm_parallel, h8300_stm_parallel,
10512         h8300_return_parallel, general_operand_src,
10513         general_operand_dst, h8300_dst_operand, h8300_src_operand,
10514         nibble_operand, reg_or_nibble_operand, single_one_operand,
10515         single_zero_operand, call_insn_operand,
10516         two_insn_adds_subs_operand, small_call_insn_operand,
10517         jump_address_operand, bit_operand, bit_memory_operand,
10518         stack_pointer_operand, const_int_gt_2_operand,
10519         const_int_ge_8_operand, const_int_qi_operand,
10520         const_int_hi_operand, incdec_operand, eqne_operator,
10521         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
10522         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
10523         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
10524         nshift_operator): Move to predicates.md.
10525         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
10526         * config/h8300/h8300.md: Include predicates.md.
10527         * config/h8300/predicates.md: New.
10528
10529 2005-03-17  Richard Henderson  <rth@redhat.com>
10530
10531         * config.gcc (ia64*-*-hpux*): Add extra_options.
10532         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
10533         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
10534         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
10535         (ia64_tls_size_string, ia64_tune_string): Remove.
10536         (ia64_tune): Init to PROCESSOR_ITANIUM2.
10537         (TARGET_DEFAULT_TARGET_FLAGS): New.
10538         (TARGET_HANDLE_OPTION): New.
10539         (ia64_override_options): Move options parsing ...
10540         (ia64_handle_option): ... here.  New.
10541         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
10542         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
10543         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
10544         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
10545         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
10546         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
10547         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
10548         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
10549         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
10550         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
10551         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
10552         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
10553         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
10554         TARGET_EARLY_STOP_BITS): Remove.
10555         (TARGET_ILP32): Default false.
10556         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
10557         (enum ia64_inline_type): New.
10558         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
10559         * config/ia64/ia64.md: Update for new definitions of
10560         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
10561         * config/ia64/ia64.opt: New file.
10562         * config/ia64/ilp32.opt: New file.
10563
10564 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
10565
10566         PR target/18380
10567         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
10568
10569 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
10570
10571         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
10572         instead of MASK_H8300S.
10573         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
10574         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
10575         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
10576         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
10577         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
10578         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
10579         TARGET_SWITCHES): Remove.
10580         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
10581         TARGET_H8300SX.
10582         * config/h8300/h8300.opt: New.
10583
10584         * config/alpha/alpha.opt, config/arc/arc.opt,
10585         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
10586         notices.
10587
10588 2005-03-17  Ian Lance Taylor  <ian@airs.com>
10589
10590         * gmon.c: Remove.
10591
10592 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
10593
10594         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
10595         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
10596         (TARGET_HANDLE_OPTION): Override default.
10597         (arc_handle_option): New function.
10598         (arc_init): Remove code to set arch_cpu_string.
10599         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
10600         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
10601         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
10602         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
10603         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
10604         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
10605         (arc_rodata_string, TARGET_OPTIONS): Delete.
10606         * config/arc/arc.opt: New file.
10607
10608 2005-03-17  Richard Henderson  <rth@redhat.com>
10609
10610         * doc/extend.texi (Weak Pragmas): New section.
10611         (attribute alias): Clarify that target must be in the same
10612         translation unit.
10613
10614 2005-03-17  Richard Henderson  <rth@redhat.com>
10615
10616         * config/alpha/alpha.opt: New file.
10617         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
10618         of alpha_cpu.
10619         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
10620         alpha_fprm_string, alpha_fptm_string): Make static.
10621         (alpha_tls_size_string): Remove.
10622         (alpha_handle_option): New.
10623         (override_options): Update for alpha_cpu/alpha_tune split.
10624         (alpha_file_start): Likewise.
10625         (TARGET_DEFAULT_TARGET_FLAGS): New.
10626         (TARGET_HANDLE_OPTION): New.
10627         * config/alpha/alpha.h (alpha_tune): Declare.
10628         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
10629         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
10630         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
10631         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
10632         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
10633         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
10634         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
10635         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
10636         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
10637         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
10638         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
10639         (TARGET_DEFAULT): Remove MASK_FP.
10640         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
10641         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
10642         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
10643         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
10644         alpha_tls_size_string): Remove.
10645         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
10646         (attribute tune): Rename from attribute cpu.
10647         * config/alpha/ev4.md: Update to match.
10648         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
10649         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
10650         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
10651         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
10652         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
10653         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
10654
10655 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
10656
10657         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
10658         and return without creating new state if before_nops_num is nonzero.
10659         * config/ia64/ia64.md (first_insn): New attribute.
10660         (alloc): Set it to yes.
10661
10662 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
10663
10664         * tree-vectorizer.c (new_vec_stmt_info): Initialize
10665         STMT_VINFO_SUBVARS to NULL.
10666         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
10667
10668 2005-03-16 Dale Johannesen  <dalej@apple.com>
10669
10670         * rtlanal.c (find_first_parameter_load):  Rewrite to
10671         return actual first param load or the call if none,
10672         instead of first in block, when not all loads exist.
10673
10674 2005-03-16  Roger Sayle  <roger@eyesopen.com>
10675
10676         * optabs.c (expand_copysign_absneg): Make static.
10677         * optabs.h (expand_copysign_absneg): Delete prototype.
10678         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
10679
10680 2005-03-16  Richard Henderson  <rth@redhat.com>
10681
10682         PR middle-end/15700
10683         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
10684         (alias_pairs): Rename from output_defs.
10685         (find_decl_and_mark_needed): Split out from assemble_alias.
10686         (do_assemble_alias): New.
10687         (assemble_output_def): Remove.
10688         (finish_aliases_1, finish_aliases_2): New.
10689         (process_pending_assemble_output_defs): Remove.
10690         (assemble_alias): Defer aliases for which we don't yet have a
10691         non-external decl for the target symbol.
10692         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
10693         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
10694         * toplev.c (compile_file): Use finish_aliases_2 instead of
10695         process_pending_assemble_output_defs.
10696         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
10697         (process_pending_assemble_output_defs): Remove.
10698
10699 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
10700
10701         Fix PR tree-optimization/20489
10702
10703         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
10704         for empty structures.
10705
10706 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
10707
10708         Fix PR tree-optimization/20490
10709
10710         * tree-ssa-pre.c (create_expression_by_pieces): Use
10711         force_gimple_operand on result of fold.
10712
10713 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
10714
10715         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
10716         of closing parenthesis.
10717
10718 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
10719
10720         * builtins.c (expand_movstr): Update a call to
10721         fold_builtin_strcpy.
10722         (expand_builtin_strncpy): Update a call to
10723         fold_builtin_strncpy.
10724         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
10725         arguments of CALL_EXPR.
10726         (fold_builtin_1): Update calls to fold_builtin_strcpy and
10727         fold_builtin_strncpy.
10728         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
10729         * tree.h: Update the prototypes of fold_builtin_strcpy and
10730         fold_builtin_strncpy.
10731
10732 2005-03-16  Steven Bosscher  <stevenb@suse.de>
10733             Dorit Naishlos  <dorit@il.ibm.com>
10734
10735         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
10736         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
10737         error.
10738
10739 2005-03-16  Steven Bosscher  <stevenb@suse.de>
10740
10741         * tree-inline.c (walk_type_fields, walk_tree,
10742         walk_tree_without_duplicates): Move from here...
10743         * tree.c: ...to here.
10744
10745 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
10746
10747         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
10748         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
10749         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
10750         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
10751         (version): Define using $(BASEVER_c).
10752         (Makefile, config.status, build/gcov-iov.o): No longer depends on
10753         version.c.
10754         (version.o): Depend on version files; add custom generation command.
10755         (prefix.o): Define BASEVER on command line.
10756         (s-iov): Depend on version files; adjust command.
10757         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
10758         Add gcc-vers.texi.
10759         (gcc-vers.texi): New rule.
10760         (doc/%.info, doc/%.dvi): Add -I . to command line.
10761         (doc/gccinstall.dvi): Likewise.
10762         (PACKAGE): Delete.  All uses replaced with "gcc".
10763         * aclocal.m4: Do not include gcc-version.m4.
10764         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
10765         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
10766         Set is_release based on contents of DEV-PHASE.
10767         Set gcc_version based on contents of BASE-VER.
10768         Define WIN32_REGISTRY_KEY only if the user overrode the default.
10769         * config.in, configure: Regenerate.
10770         * gccbug.in: Determine version of GCC in use at runtime.
10771         * gcov-iov.c: Get version number and development phase from
10772         command line, not by including version.c.
10773         * intl.c: Replace all uses of PACKAGE with "gcc".
10774         * libada-mk.in: Delete unused "gcc_version" variable.
10775         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
10776         * version.c: (VERSUFFIX): New hook for redistributors; adjust
10777         commentary to match.
10778         (version_string): Put together from pieces.
10779         * config/alpha/x-vms: Do not use $(gcc_version).
10780         * config/i386/t-nwld: Likewise.
10781         * doc/include/gcc-common.texi: Include gcc-vers.texi for
10782         version-GCC and DEVELOPMENT.
10783
10784 2005-03-15  Roger Sayle  <roger@eyesopen.com>
10785
10786         PR tree-optimization/17454
10787         * tree.c (tree_size): Add case for TREE_BINFO.
10788         * fold-const.c (fold_checksum_tree): Only clear the overloaded
10789         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
10790
10791 2005-03-15  Roger Sayle  <roger@eyesopen.com>
10792
10793         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
10794         op1 whilst expanding the signed widenening multiply variant.
10795
10796 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
10797
10798         * toplev.c (display_target_options): Avoid unused variable warning if
10799         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
10800         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
10801         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
10802         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
10803         (mips_isa_info): New variable.
10804         (mips_parse_cpu): Remove the first argument and leave the caller
10805         to report errors.
10806         (TARGET_HANDLE_OPTION): Override default.
10807         (mips_handle_option): New function.  Move option validation code from...
10808         (override_options): ...here.  Update calls to mips_parse_cpu.
10809         * config/mips/mips.h (mips_arch_string, mips_tune_string)
10810         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
10811         (SUBTARGET_TARGET_OPTIONS): Delete.
10812         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
10813         (mno-flush-func, mtune=): New options.
10814
10815 2005-03-15  Roger Sayle  <roger@eyesopen.com>
10816             Richard Henderson  <rth@redhat.com>
10817
10818         * real.c (c4x_single_format, c4x_extended_format): Provide values
10819         for signbit_ro for c4x's single and extended floating point formats.
10820         * optabs.c (expand_copysign): Use the floating point format's
10821         signbit_ro for expanding via expand_copysign_absneg, and it's
10822         signbit_rw field for expanding via expand_copysign_bit.
10823
10824 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
10825
10826         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
10827         known_alignment_for_access_p.
10828         (known_alignment_for_access_p): New.
10829         (do_peeling_for_alignment): Field made int instead of bool and renamed
10830         to peeling_for_alignment.
10831         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
10832         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
10833         functionality used to be in vect_analyze_operations.
10834         (vect_analyze_operations): Code to determine vectorization factor was
10835         moved to vect_determine_vectorization_factor.
10836         (vect_enhance_data_refs_alignment): Update to correct alignment when it
10837         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
10838         factor.
10839         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
10840         be part of vect_analyze_operations).
10841         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
10842         creating the guard condition, as the number of iterations may be
10843         constant.
10844         (slpeel_tree_peel_loop_to_edge): Use new name of
10845         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
10846         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
10847         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
10848         (vect_do_peeling_for_alignment): Use fold.
10849         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
10850
10851         (vect_update_inits_of_dr): Renamed to
10852         vect_update_init_of_dr.
10853         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
10854         (vectorizable_store): Fix assertion to use == instead of =.
10855
10856 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
10857
10858         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
10859         call_used_regs for wCG registers.
10860
10861 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
10862
10863         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
10864         for non-offsettable memory references to cope with outstanding reload
10865         replacements, take 2.
10866
10867 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
10868
10869         PR target/18668
10870         * config/i386/i386.h (x86_fisttp): New.
10871         (TARGET_FISTTP): New macro.
10872         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
10873         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
10874         instruction when fisttp flag is set.
10875         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
10876
10877         * config/i386/i386.md (type attribute): Add fisttp.
10878         (unit attribute): Set to i387 for fisttp type.
10879         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
10880         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
10881         TARGET_FISTTP.
10882         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
10883         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
10884         macros.
10885         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
10886         patterns for TARGET_FISTTP.  Enable patterns for
10887         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
10888         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
10889         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
10890         implement fisttp x87 insn.
10891         (fix_trunc*_i387_fisttp splitters): New patterns.
10892         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
10893         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
10894         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
10895         clobber.
10896         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
10897         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
10898         Implement using mode macros. Disable patterns for TARGET_FISTTP.
10899         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
10900         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
10901         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
10902         Disable patterns for TARGET_FISTTP.
10903         (fix_trunc*_i387 splitters): Implement usign mode macros.
10904         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
10905         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
10906         (fix_trunx*_sse peephole2s): Implement using mode macros.
10907
10908 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
10909
10910         PR rtl-optimization/20291
10911         * combine.c (try_combine): If splitting fails, re-try with
10912         original combined pattern, i.e. before clobber stripping.
10913
10914 2005-03-14  Eric Christopher  <echristo@redhat.com>
10915
10916         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
10917         STACK_GROWS_DOWNWARD.
10918
10919 2005-03-14  Roger Sayle  <roger@eyesopen.com>
10920
10921         * real.h (struct real_format): Split the signbit field into two
10922         two fields, signbit_ro and signbit_rw.
10923         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
10924         mips_double_format, ieee_extended_motorola_format,
10925         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
10926         ieee_extended_intel_128_format, ibm_extended_format,
10927         mips_extended_format, ieee_quad_format, mips_quad_format,
10928         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
10929         i370_double_format, c4x_single_format, c4x_extended_format,
10930         real_internal_format): Update initializers for new field.
10931         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
10932         real_format structure.
10933         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
10934         field of the real_format structure.
10935
10936 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
10937
10938         Fix PR tree-optimization/20458
10939
10940         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
10941         DECL_EXTERNAL on STRUCT_FIELD tags.
10942         (clear_call_clobbered): Ditto.
10943         * tree-ssa-operands.c (note_addressable): Make sure the original
10944         variable doesn't slip into the addressable list if we have
10945         subvars.
10946         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
10947         tags too.
10948
10949 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
10950
10951         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
10952         (-fwide-exec-charset): Likewise.
10953         (-finput-charset): Likewise.
10954         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
10955         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
10956         * c.opt (Wnormalized): New.
10957
10958 2005-03-14  Devang Patel  <dpatel@apple.com>
10959
10960         * doc/invoke.texi: Add reference to Visibility document.
10961
10962 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
10963
10964         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
10965         MASK_SPLIT_ADDRESSES.
10966         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
10967         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
10968         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
10969         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
10970         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
10971         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
10972         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
10973         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
10974         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
10975         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
10976         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
10977         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
10978         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
10979         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
10980         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
10981         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
10982         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
10983         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
10984         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
10985         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
10986         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
10987         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
10988         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
10989         (TARGET_EXPLICIT_RELOCS): Delete.
10990         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
10991         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
10992         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
10993         (override_options): Set MASK_LONG64 if -mint64 is given and no
10994         -mlongXX option is.  Complain about -mint64 -mlong32.
10995         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
10996         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
10997         * config/mips/mips.opt: New file.
10998
10999 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
11000
11001         * config.gcc (extra_options): New variable for listing option files.
11002         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
11003         * configure.ac (extra_opt_files): New AC_SUBST variable.
11004         (tm_file_list, tm_include_list): Include options.h first.
11005         * configure: Regenerate.
11006         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
11007         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
11008         (s-options-h): New rule.
11009         (options.h): Depend on it.
11010         (TEXI_GCCINT_FILES): Add options.texi.
11011         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
11012         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
11013         * target.h (gcc_target): Add default_target_flags and handle_option.
11014         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
11015         (TARGET_HANDLE_OPTION): New macros.
11016         (TARGET_INITIALIZER): Include them.
11017         * opt-functions.awk (opt_args, nth_arg): New functions.
11018         (switch_flags): Handle the "Target" flag.
11019         (var_args): Delete.
11020         (var_name): Use opt_args and nth_arg.
11021         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
11022         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
11023         macros for the "Mask" and "InverseMask" options.
11024         * opts.h (cl_var_cond): New enum.
11025         (cl_option): Replace the "has_set_value" and "set_value" fields with
11026         "var_cond" and "var_value".
11027         (CL_TARGET): New macro.
11028         (option_enabled, print_filtered_help): Declare.
11029         (decode_options): Move definition.
11030         * opts.c (handle_option): Search for the original option before
11031         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
11032         var_cond and var_value fields.  Use targetm.handle_option to handle
11033         target options.
11034         (decode_options): Set target_flags to targetm.default_target_flags.
11035         (print_filtered_help): Make global.  Handle CL_TARGET.
11036         (option_enabled): New function.
11037         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
11038         (display_target_options, set_target_switch, print_switch_values)
11039         (default_pch_valid_p): Guard uses of target_switches with
11040         #ifdef TARGET_SWITCHES.  Also...
11041         (display_target_options): Display the CL_TARGET entries in cl_options.
11042         (set_target_option): Don't complain about the "" option when
11043         TARGET_SWITCHES is undefined.
11044         (print_switch_values): Use option_enabled.
11045         (default_pch_valid_p): Check cl_options[] when looking for something
11046         that has changed the value of target_flags.
11047         * c.opt: Remove documentation from top of file.
11048         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
11049         * doc/sourecebuild.texi: Refer to the new options documentation
11050         instead of c.opt.  Document machine-specific .opt files.
11051         * doc/tm.texi (target_flags): Say that this variable is declared
11052         by options.h.
11053         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
11054         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
11055         an alternative.
11056         * doc/options.texi: New file.
11057
11058 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
11059
11060         PR middle-end/18628
11061         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
11062         register.
11063
11064 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
11065
11066         PR c++/20280
11067         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
11068         temporary variable of pointer type if an lvalues is required.
11069         (gimplify_modify_expr_rhs): Request an rvalue from it.
11070         (gimplify_expr): Pass fallback on.
11071
11072 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
11073
11074         * cfgbuild.c: Update comments.
11075
11076 2005-03-14  Roger Sayle  <roger@eyesopen.com>
11077
11078         PR rtl-optimization/17236
11079         * optabs.c (expand_doubleword_mult): New helper function split out
11080         from expand_binop.  Permute the order in which instructions are
11081         emitted to minimize the number of simultaneously live registers.
11082         (expand_binop): Call expand_doubleword_mult to synthesize a double
11083         word multiplication.
11084
11085 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
11086
11087         * basic-block.h: Update the prototypes of cached_make_edge and
11088         rtl_make_eh_edge.
11089         * cfg.c (cached_make_edge): Take edge_cache representing one
11090         row of the adjacency matrix of edges.
11091         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
11092         (make_edges): Initialize edge_cache to represent one row of
11093         the adjacency matrix of edges.
11094
11095 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
11096
11097         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
11098         New functions.
11099         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
11100         Remove unused removed_phis variable.
11101         (conditional_replacement): Use build1/build2.
11102         (abs_replacement): Use last_and_only_stmt and build1/build2.
11103
11104 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
11105
11106         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
11107         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
11108         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
11109         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
11110         * c-common.c (handle_novops_attribute): New function.
11111         (c_common_attribute_table): Add "no vops" entry.
11112         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
11113         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
11114         * tree-ssa-operands.c (get_call_expr_operands): Do not
11115         create virtual operands for calls with ECF_NOVOPS flag.
11116         * tree.h (DECL_IS_NOVOPS): New macro.
11117         (struct tree_decl): Add novops_flag.
11118         (ECF_NOVOPS): New constant.
11119
11120 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
11121
11122         PR target/17688
11123         * config/i386/i386.c (x86_use_himode_fiop): New.
11124         (x86_use_simode_fiop): Rename from x86_use_fiop.
11125         * config/i386/i386.h (x86_use_himode_fiop): Declare.
11126         (TARGET_USE_HIMODE_FIOP): New.
11127         (x86_use_simode_fiop): Rename from x86_use_fiop.
11128         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
11129
11130         * config/i386/i386.md (X87MODEI12): New mode macro define.
11131         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
11132         to implement x87 FP compare with HImode input operands.
11133         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
11134         Use X87MODEI12 mode macro to handle HImode input operands.
11135         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
11136         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
11137         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
11138         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
11139         macro to implement x87 operators with HImode input operands.
11140         (fop splitters): Use X87MODEI12 mode macro to handle HImode
11141         input operands.
11142
11143 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
11144
11145         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
11146         integer_zerop.
11147         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
11148         constants invariant.
11149
11150 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
11151
11152         * basic-block.h (BB_VISITED): Removed.
11153         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
11154
11155 2005-03-14  Falk Hueffner  <falk@debian.org>
11156
11157         PR bootstrap/20424
11158         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
11159
11160 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
11161
11162         * ggc-zone.c: Fix comment typos.
11163
11164         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
11165         stringpool.c, config/mips/mips-protos.h: Update copyright.
11166
11167 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
11168
11169         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
11170         throughout with its typedef, "rtx".
11171         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
11172         (rs6000_tls_symbol_ref_1): Remove inline keyword.
11173         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
11174         regs in comment to match code.
11175
11176 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
11177
11178         * except.c (check_handled): Make it static.
11179         * except.h: Remove the corresponding prototype.
11180
11181         * function.c (get_func_frame_size): Make it static.
11182         * function.h: Remove the corresponding type.
11183
11184         * regclass.c (reg_class_superclasses, reg_class_subclasses):
11185         Make them static.
11186         * hard-reg-set.h: Remove the corresponding declarations.
11187
11188         * tree-cfg.c (verify_stmts): Check that
11189         bb_for_stmt (stmt) == bb for every PHI node and statement.
11190
11191 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
11192
11193         * config.gcc: Remove excess indentation.
11194         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
11195
11196 2005-03-13  Roger Sayle  <roger@eyesopen.com>
11197
11198         PR middle-end/19331
11199         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
11200         * fold-const.c (fold_sign_changed_comparison): Likewise.
11201         (fold_binary): Optimize comparisons against widened operands if
11202         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
11203
11204 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
11205
11206         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
11207         (sparc_override_options): Initialize it.
11208         (sparc_struct_value_rtx): Set it on the MEM to be returned.
11209
11210 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
11211
11212         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
11213         (reg_or_none500mem_operand): New predicate.
11214         (zero_reg_mem_operand): New predicate.
11215         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
11216         to reg_or_none500mem_operand.
11217         (extendsfdf2_fpr): Add MEM alternative.
11218         (extenddftf2_internal): Change operand2 predicate to
11219         zero_reg_mem_operand.
11220
11221 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
11222
11223         * ggc-zone.c: Rewritten.
11224
11225         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
11226         if there are none.
11227         * configure.ac: Define GGC_ZONE for --with-gc=zone.
11228         * config.in: Regenerated.
11229         * configure: Regenerated.
11230         * gengtype.c (write_types_process_field, write_func_for_structure):
11231         Pass new argument to gt_pch_note_object.
11232         * ggc-common.c (struct ptr_data): Add TYPE.
11233         (gt_pch_note_object): Take TYPE argument and save it.
11234         (call_count): Update call to ggc_pch_count_object.
11235         (call_alloc): Update call to ggc_pch_alloc_object.
11236         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
11237         file.
11238         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
11239         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
11240         (ggc_alloc_zone_stat): Delete.
11241         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
11242         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
11243         (ggc_pch_alloc_object): Update prototypes.
11244         (garbage_zone): Delete.
11245         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
11246         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
11247         pointers.
11248         (tree_id_zone): New variable.
11249         (ggc_alloc_cleared_zone): Remove unused.
11250         (ggc_alloc_zone): Define.
11251         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
11252         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
11253         ggc_alloc_zone_stat.
11254         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
11255         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
11256         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
11257         (make_node_stat): Likewise.  Use tree_id_zone.
11258
11259 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
11260             Joseph S. Myers  <joseph@codesourcery.com>
11261
11262         * configure.ac: Check for MIPS TLS.
11263         * configure: Regenerated.
11264         * config/mips/mips-protos.h (enum mips_symbol_type): Add
11265         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
11266         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
11267         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
11268         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
11269         (mips_classify_symbol, mips_symbolic_constant_p)
11270         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
11271         (mips_tls_operand_p, mips_call_tls_get_addr)
11272         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
11273         (mips_tls_symbol_ref_1): New functions.
11274         (mips_legitimize_address, mips_legitimize_const_move): Call
11275         mips_legitimize_tls_address.
11276         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
11277         for MIPS16.
11278         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
11279         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
11280         (mips_char_to_class): Document V1_REG.
11281         (HAVE_AS_TLS): Provide default.
11282         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
11283         constants.
11284         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
11285         !TARGET_ABICALLS.
11286         (tls_get_tp_<mode>): New instruction.
11287
11288 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
11289
11290         * configure.ac: Update checks for target tools.
11291         * configure: Regenerated.
11292
11293 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
11294
11295         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
11296
11297 2005-03-13  Roger Sayle  <roger@eyesopen.com>
11298
11299         * expmed.c (expand_mult): Use synthetic multiplication sequences for
11300         more classes of DImode multiplication by constant.  Allow both
11301         multiplication by small negative constants (by performing a
11302         multiplication by a positive constant and negating the result) and
11303         multiplications by large powers of two, by using a left shift.
11304
11305 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
11306
11307         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
11308         of basic blocks into work_stack.
11309
11310         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
11311         config/mips/vr.h: Update copyright.
11312
11313         * c-decl.c (c_init_decl_processing): Remove useless calls to
11314         build_function_type.
11315
11316         * builtins.c (fold_trunc_transparent_mathfn,
11317         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
11318         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
11319         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
11320         fold_builtin_strcpy, fold_builtin_strncpy,
11321         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
11322         TREE_TYPE (exp).
11323
11324         * builtins.c (expand_builtin_mathfn_3): Remove local variable
11325         before_call.
11326
11327         * lambda-code.c (lambda_compute_auxillary_space): Remove local
11328         variable determinant.
11329
11330         * tree-cfg.c (group_case_labels): Remove local variable type.
11331
11332         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
11333         variable ann.
11334
11335         * tree-ssa-phiopt.c (value_replacement): Remove local variable
11336         result.
11337
11338 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
11339
11340         PR target/18251
11341         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
11342         (*movmemqi_insn): Delete.
11343         (*movmemhi): Delete.
11344
11345 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
11346
11347         * builtins.c (fold_builtin_classify): Take decomposed
11348         arguments of CALL_EXPR.
11349         (fold_builtin_1): Update a call to fold_builtin_classify.
11350
11351 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
11352
11353         PR c/20402
11354         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
11355         through into call to parser_xref_tag after parse error.
11356         (c_parser_struct_declaration): Consistently return NULL_TREE on
11357         error.
11358
11359 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
11360
11361         * tree-flow-inline.h (ref_contains_array_ref): New function.
11362         (lookup_subvars_for_var): Ditto.
11363         (get_subvars_for_var): Ditto.
11364         (var_can_have_subvars): Ditto.
11365
11366         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
11367         (struct subvar): New type.
11368
11369         * tree-dfa.c (okay_component_ref_for_subvars): New function.
11370
11371         * tree-optimize.c (init_tree_optimization_passes): Call
11372         pass_create_structure_vars.
11373
11374         * tree-ssa-alias.c: Include vec.h.
11375         (init_alias_info): Don't auto-clear call clobbered on struct-field
11376         tags.
11377         (compute_flow_insensitive_aliasing): Handle subvars.
11378         (group_aliases): Handle STRUCT_FIELD aliases.
11379         (setup_pointers_and_addressables): Ditto.
11380         Don't mark variables non-addressable if they still have
11381         addressable subvars.
11382         Also mark subvars addressable when the real variable is marked
11383         addressable.
11384         (add_pointed_to_var): Try to prune the pointed-to set by only
11385         pointing to subvars when possible.
11386         Otherwise, make sure we set addresses_needed and pt_vars to
11387         properly include subvars.
11388         (bitpos_of_field): New function.
11389         (push_fields_onto_fieldstack): Ditto.
11390         (get_or_create_used_part_for): Ditto.
11391         (create_overlap_variables_for): Ditto.
11392         (find_used_portions): Ditto.
11393         (create_structure_vars): Ditto.
11394         (pass_create_structure_vars): New structure.
11395
11396         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
11397         (get_expr_operands): Handle subvars.  Also try to turn
11398         COMPONENT_REF accesses into must-defs now that we can accurately
11399         portray it.
11400         (note_addressable): Try to only mark as addressable those subvars
11401         we know a COMPONENT_REF touches.
11402         (overlap_subvar): New function.
11403
11404         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
11405         Handle subvar storing.
11406         (vect_address_analysis): Update caller of vect_object_analysis.
11407
11408         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
11409
11410         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
11411         (STMT_VINFO_SUBVARS): New macro.
11412
11413         * common.opts: add flag_tree_salias.
11414
11415         * opts.c (decode_options): flag_tree_salias defaults to on.
11416
11417         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
11418
11419         * doc/tree-ssa.texi: Document structural alias analysis.
11420
11421 2005-03-12  Steven Bosscher  <stevenb@suse.de>
11422
11423         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
11424         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
11425         * tree-ssa-operands.c (get_expr_operands): Likewise.
11426         (get_expr_operands): Likewise for ERROR_MARK.
11427
11428 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
11429
11430         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
11431         var.
11432
11433         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
11434         removed_phis.
11435
11436         * tree-ssa-pre.c (compute_avail): Remove local variable val.
11437         (mark_operand_necessary): Remove local variable ver.
11438
11439         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
11440         variable prefix_len.
11441
11442         * value-prof.c (mod_subtract_transform): Remove local variable
11443         value.
11444
11445         * builtins.c (fold_builtin_exponent): Take decomposed
11446         arguments of CALL_EXPR.
11447         (fold_builtin_1): Update a call to fold_builtin_exponent.
11448
11449         * builtins.c (fold_builtin_logarithm): Take decomposed
11450         arguments of CALL_EXPR.
11451         (fold_builtin_1): Update a call to fold_builtin_logarithm.
11452
11453         * c-decl.c (c_init_decl_processing): Remove local variables
11454         ptr_ftype_void and ptr_ftype_ptr.
11455
11456         * gimplify.c (gimplify_expr): Remove local variables r0 and
11457         r1.
11458
11459         * reg-stack.c (move_for_stack_reg): Remove local variable
11460         push_insn.
11461         (compare_for_stack_reg): Remove local variable flags_user.
11462         (convert_regs_1): Remove local variable deleted.
11463
11464         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
11465         variable new_cond.
11466         (combine_blocks): Remove local variables exits and new_e.
11467
11468         * tree-inline.c (expand_call_inline): Remove local variable
11469         decl.
11470
11471         * tree-ssa-live.c (create_ssa_var_map,
11472         calculate_live_on_entry): Remove local variable snn.
11473
11474 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
11475
11476         * c-lex.c (c_lex_with_flags): Add parameter to call to
11477         cpp_spell_token.
11478
11479 2005-03-11  Per Bothner  <per@bothner.com>
11480
11481         * c-tree.h (struct c_declarator): New id_loc field.
11482         * c-pragma.h (c_lex_with_flags): Take position reference.
11483         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
11484         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
11485         (c_lex): Pass dummy location to c_lex_with_flags.
11486         * c-parser.c (c_lex_one_token): Set c_token's location using
11487         c_lex_with_flags, instead of input_location, which might be "ahead".
11488         (c_parser_direct_declarator): Set declarator's id_loc from
11489         c_token's id_loc.
11490         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
11491         declarator's id_loc, rather than probably-imprecise input_location.
11492         (build_id_declarator): Initialize c_declarator's id_loc field.
11493
11494 2005-03-11  Roger Sayle  <roger@eyesopen.com>
11495
11496         PR middle-end/20419
11497         * builtins.c (expand_builtin_signbit): Force the signbit's word
11498         into an integer register to avoid SUBREGs of floating point modes.
11499
11500 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
11501
11502         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
11503         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
11504         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
11505         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
11506
11507 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
11508
11509         PR rtl-optimization/20306
11510         * expr.c (emit_move_complex): Set try_int false if mode is
11511         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
11512         emit_block_move if try_int is true.
11513
11514 2005-03-11  Richard Henderson  <rth@redhat.com>
11515
11516         PR target/20415
11517         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
11518         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
11519         to match.
11520
11521 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
11522
11523         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
11524         (TARGET_FIX_VR4130): New macro.
11525         (TARGET_OPTIONS): Add -mfix-vr4130.
11526         (ISA_HAS_MACCHI): New macro.
11527         (ASM_SPEC): Add -mfix-vr4130.
11528         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
11529         (override_options): Handle mips_fix_vr4130_string.
11530         (mips_avoid_hazards): Clear all_noreorder_p
11531         if we're working around VR4130 errata and the macc alternatives
11532         are not available.
11533         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
11534         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
11535         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
11536         (MULTILIB_DEFAULTS): Remove leading "march=".
11537         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
11538         if no architecture option is given.
11539         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
11540         VR4130 multilibs.
11541         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
11542         * doc/invoke.texi: Document -mfix-vr4130.
11543
11544 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
11545
11546         * config/mips/mips.c (override_options): Only warn about -mint64
11547         deprecation if TARGET_INT64.
11548
11549 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11550
11551         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
11552         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
11553         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
11554         are non-specific regarding the nonnull parameter positions.
11555         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
11556         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
11557         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
11558         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
11559
11560         * builtins.def: Use the non-specific "nonnull" attibute lists.
11561
11562 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
11563
11564         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
11565         single_pred_edge, single_succ, single_pred): Improve comments.
11566
11567 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
11568
11569         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
11570         single_pred_edge, single_succ, single_pred): New inline functions.
11571         * bb-reorder.c (rotate_loop, find_traces_1_round,
11572         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
11573         duplicate_computed_gotos): Use the single_succ/pred functions.
11574         * cfganal.c (forwarder_block_p): Ditto.
11575         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
11576         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
11577         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
11578         merge_seq_blocks): Ditto.
11579         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
11580         * cfglayout.c (fixup_reorder_chain): Ditto.
11581         * cfgloop.c (mark_single_exit_loops, update_latch_info,
11582         canonicalize_loop_headers, verify_loop_structure): Ditto.
11583         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
11584         mfb_update_loops, create_preheader, force_single_succ_latches,
11585         create_loop_notes): Ditto.
11586         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
11587         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
11588         commit_one_edge_insertion, purge_dead_edges,
11589         cfg_layout_can_merge_blocks_p): Ditto.
11590         * except.c (sjlj_emit_function_enter): Ditto.
11591         * flow.c (init_propagate_block_info): Ditto.
11592         * function.c (thread_prologue_and_epilogue_insns): Ditto.
11593         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
11594         insert_insn_end_bb): Ditto.
11595         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
11596         find_if_case_2): Ditto.
11597         * lambda-code.c (perfect_nestify): Ditto.
11598         * lcm.c (optimize_mode_switching): Ditto.
11599         * loop-doloop.c (doloop_modify): Ditto.
11600         * loop-init.c (loop_optimizer_init): Ditto.
11601         * loop-iv.c (simplify_using_initial_values): Ditto.
11602         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
11603         * loop-unswitch.c (unswitch_loop): Ditto.
11604         * modulo-sched.c (generate_prolog_epilog): Ditto.
11605         * predict.c (combine_predictions_for_insn, estimate_probability,
11606         tree_estimate_probability, last_basic_block_p,
11607         estimate_bb_frequencies): Ditto.
11608         * profile.c (branch_prob): Ditto.
11609         * regrename.c (copyprop_hardreg_forward): Ditto.
11610         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
11611         * tracer.c (layout_superblocks): Ditto.
11612         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
11613         cfg_remove_useless_stmts_bb, cleanup_control_flow,
11614         cleanup_control_expr_graph, disband_implicit_edges,
11615         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
11616         tree_verify_flow_info, tree_make_forwarder_block,
11617         tree_forwarder_block_p, remove_forwarder_block,
11618         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
11619         * tree-if-conv.c (tree_if_conversion): Ditto.
11620         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
11621         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
11622         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
11623         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
11624         copy_loop_headers): Ditto.
11625         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
11626         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
11627         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
11628         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
11629         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
11630         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
11631         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
11632         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
11633         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
11634         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
11635         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
11636         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
11637         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
11638         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
11639         slpeel_add_loop_guard): Ditto.
11640
11641 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
11642
11643         PR tree-optimization/15784
11644         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
11645         and -1 - A to ~A.
11646
11647         * stmt.c (expand_case): Don't change index_type.  Convert minval
11648         to the proper type.
11649
11650         PR tree-optimization/20130
11651         * fold-const.c (fold): Fold x * -1 into -x.
11652
11653 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
11654
11655         PR rtl-optimization/20331
11656         * rtlanal.c (modified_between_p): Check its address first for MEM.
11657         (modified_in_p): Likewise.
11658
11659 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
11660
11661         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
11662
11663 2005-03-10  Steven Bosscher  <stevenb@suse.de>
11664
11665         * expr.c (expand_expr_real_1): If possible, use a conditional
11666         move for expanding MIN_EXPR and MAX_EXPR.
11667         Use temp for moving around rtx-en.
11668
11669 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
11670
11671         PR rtl-opt/20412
11672         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
11673         correct mode.
11674
11675 2005-03-10  Roger Sayle  <roger@eyesopen.com>
11676
11677         * builtins.c (expand_builtin_signbit): Extend to handle floating
11678         point modes wider than the largest integer type, using the
11679         operand_subword_force function to obtain the signbit's word.
11680
11681 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
11682
11683         PR target/20322
11684         * combine.c (try_combine): If recog_for_combine added CLOBBERs
11685         to NEWI2PAT, fail to combine if they are used by NEWPAT.
11686
11687 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
11688
11689         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
11690
11691 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
11692
11693         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
11694         type void.
11695         (perform_edge_inserts): Unconditionally call
11696         free_dominator_info.
11697
11698         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
11699
11700 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
11701
11702         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
11703
11704 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
11705
11706         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
11707
11708         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
11709         gcc_unreachable.
11710         (rtl_register_value_prof_hooks,
11711         tree_value_profile_transformations,
11712         tree_register_value_prof_hooks): Likewise.
11713         * var-tracking.c (stack_adjust_offset_pre_post,
11714         variable_htab_free, variable_union, dataflow_set_different_2,
11715         count_uses, variable_was_changed, set_frame_base_location,
11716         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
11717         vt_add_function_parameters): Likewise.
11718         * varasm.c (named_section_real, named_section, make_decl_rtl,
11719         asm_emit_uninitialised, assemble_integer, decode_addr_const,
11720         const_hash_1, compare_constant, copy_constant, force_const_mem,
11721         output_constant_pool_2, output_constant_pool_1, output_constant,
11722         output_constructor, make_decl_one_only, decl_tls_model,
11723         default_no_named_section, default_elf_select_section_1,
11724         default_unique_section_1): Likewise.
11725         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
11726         * vmsdbgout.c (addr_const_to_string): Likewise.
11727
11728         PR c++/20375
11729         * function.c (struct assign_parm_data_one): Remove last_named
11730         field.
11731         (assign_parm_find_data_types): Don't determine last_named.
11732         Reorder named_parm determination.
11733         (assign_parms): Only setup varargs on the last non-varadic
11734         parameter.
11735
11736 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
11737
11738         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
11739         sda base address on medium model.
11740
11741 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
11742
11743         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
11744         * cfgloop.c (flow_loop_nodes_find): Export.
11745         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
11746         Declare.
11747         * cfgloopmanip.c (fix_loop_structure): New function.
11748         * predict.c (predict_loops): Clean up the loops information.
11749         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
11750         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
11751         loop structure.
11752         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
11753         (rewrite_into_loop_closed_ssa): Declaration changed.
11754         * tree-loop-linear.c (linear_transform_loops): Add argument to
11755         rewrite_into_loop_closed_ssa call.
11756         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11757         * tree-ssa-loop-im.c (move_computations): Ditto.
11758         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
11759         * tree-vectorizer.c (vectorize_loops): Ditto.
11760         * tree-optimize.c: Include cfgloop.h.
11761         (execute_todo): Choose whether to call cleanup_tree_cfg or
11762         cleanup_tree_cfg_loop.
11763         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
11764         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
11765         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
11766         cleanup_tree_cfg_loop call.
11767         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
11768         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
11769         work on part of cfg.
11770
11771 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
11772
11773         PR inline-asm/20314
11774         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
11775         with multiple alternatives.
11776
11777         * stmt.c (parse_output_constraint): Fix a typo.
11778
11779 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
11780
11781         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
11782         assembly directive instead of deprecated "no-generics".
11783
11784 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
11785
11786         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
11787         for non-offsettable memory references to cope with outstanding reload
11788         replacements.
11789         * config/s390/s390.md ("reload_outti"): Call find_replacement to
11790         avoid losing outstanding address reloads.
11791         ("reload_outdi", "reload_outdf"): Likewise.
11792
11793 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11794
11795         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
11796         code.  Add more cbrt transformations.
11797
11798 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11799
11800         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
11801
11802 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
11803
11804         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
11805         NULL_TREE when a given tree is not simplified.
11806         (fold): Return the original tree when any of the functions
11807         mentioned above NULL_TREE.
11808
11809         * fold-const.c (fold_unary, fold_binary): Take decomposed
11810         arguments, code, type, op0, and op1 in case of fold_binary.
11811         (fold): Update calls to fold_unary and fold_binary.
11812
11813 2005-03-09  Roger Sayle  <roger@eyesopen.com>
11814
11815         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
11816         a fndecl and an arglist instead of a CALL_EXPR, exp.
11817
11818 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
11819
11820         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
11821
11822         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
11823
11824         * expr.c (expand_assignment): Remove orig_to_rtx.
11825
11826         * fold-const.c (int_const_binop): Remove no_overflow.
11827
11828         * ifcvt.c (noce_emit_move_insn): Remove inmode.
11829
11830         * loop-iv.c (get_biv_step_1): Remove lhs.
11831
11832         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
11833
11834         * real.c (real_nan): Remove neg.
11835
11836         * function.c (thread_prologue_and_epilogue_insns): Remove i
11837         and newinsn.
11838
11839         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
11840         tb.
11841
11842         * tree-eh.c (tree_could_trap_p): Remove idx.
11843
11844         * tree-into-ssa.c (ann): Remove ann.
11845
11846         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
11847
11848         * tree-sra.c (decide_block_copy): Remove inst_count.
11849
11850         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
11851
11852         * tree-ssa-loop-im.c (lhs): Remove.
11853
11854         * cfgbuild.c (state, STATE, SET_STATE,
11855         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
11856         make_edges.
11857         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
11858         (find_basic_blocks): Set the state of each basic block to
11859         BLOCK_NEW.
11860
11861 2005-03-08  Jeff Law  <law@redhat.com>
11862
11863         * tree-cfg.c (cleanup_control_flow): If removal of a computed
11864         goto results in the removal of edges in the CFG, then we need
11865         to recompute dominators.
11866
11867 2005-03-09  Ben Elliston  <bje@au.ibm.com>
11868
11869         * c-common.c (c_do_switch_warnings): Comment fix.
11870
11871 2005-03-08  Julian Brown  <julian@codesourcery.com>
11872
11873         * Patch from 2005-03-08 reverted for causing regressions and
11874         ppc-darwin bootstrap failure.
11875
11876 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
11877
11878         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
11879         Define the real function for ppc-darwin.
11880         * c-typeck.c (convert_arguments): Check for target-specific
11881         invalid argument call to unprototyped function.
11882         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
11883         New Macro.
11884         * target.h (invalid_arg_for_unprototyped_fn): New field
11885         in struct calls.
11886         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
11887         default target hook.
11888         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
11889         Declare.
11890
11891 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
11892
11893         * c-typeck.c (constructor_stack, constructor_range_stack,
11894         initializer_stack): Make them static.
11895
11896         * cfg.c (rbi_pool): Make it static.
11897
11898         * gimple-low.c (lower_stmt_body): Make it static.
11899         * tree-flow.h: Remove the corresponding prototype.  Don't
11900         declare lower_data.
11901
11902         * sched-deps.c (cache_size): Make it static.
11903
11904         * stor-layout.c (lang_adjust_rli): Make it static.
11905
11906 2005-03-08  Julian Brown  <julian@codesourcery.com>
11907
11908         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
11909         from being used for symbols with vague linkage when
11910         HAVE_GAS_COMDAT_GROUP is true.
11911
11912 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
11913
11914         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
11915         nlabel == JUMP_LABEL (jump).
11916
11917 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
11918
11919         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
11920         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
11921         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
11922         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
11923
11924 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
11925
11926         PR c/14411
11927         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
11928         * c-common.c (handle_returns_twice): New function.
11929         (c_common_attribute_table): Declare eturns_twice' attribute.
11930         * doc/extend.texi: Document eturns_twice' attribute.
11931         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
11932         (struct tree_decl): Add returns_twice_flag.
11933
11934 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
11935
11936         * tree-ssa-phiopt.c: Fix a comment typo.
11937
11938         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
11939         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
11940         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
11941         copyright.
11942
11943 2005-03-08  Richard Henderson  <rth@redhat.com>
11944
11945         * config/alpha/alpha.c (code_for_builtin): Replace special-case
11946         builtin codes with ctzdi2, clzdi2, popcountdi2.
11947         (struct alpha_builtin_def): Add is_const.
11948         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
11949         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
11950         (alpha_init_builtins): Init them.  Set nothrow and const attributes
11951         on builtins.
11952         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
11953         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
11954         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
11955         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
11956         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
11957         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
11958         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
11959         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
11960         (TARGET_FOLD_BUILTIN): New.
11961         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
11962         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
11963         (ffsdi2): Use ctz.
11964         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
11965
11966 2005-03-08  Ira Rosen  <irar@il.ibm.com>
11967
11968         PR tree-optimization/20122
11969         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
11970         condition of access function instead of base.
11971
11972 2005-03-07  Jeff Law  <law@redhat.com>
11973             Steven Bosscher  <stevenb@suse.de>
11974
11975         * tree-cfg.c (find_taken_edge_computed_goto): New function.
11976         (find_taken_edge): Call find_taken_edge_computed_goto as
11977         appropriate.  Allow any gimple invariant rather than just
11978         INTEGER_CST for VAL.
11979         (cleanup_control_flow): Cleanup a computed goto which has turned
11980         into a simple goto.
11981         (tree_merge_blocks): If block B has any forced labels, move
11982         them to the start of block A.
11983         * tree-ssa-dom.c (thread_across_edge): Allow threading across
11984         computed gotos as well.
11985         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
11986         removal of unnecessary computed gotos too.
11987         (lookup_redirection_data): Fix type of INSERT argument.  Callers
11988         updated.
11989
11990 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
11991
11992         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
11993         Remove trailing spaces.
11994
11995         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
11996         unshare_all_trees): Make them static.
11997         * tree-gimple.h: Remove the corresponding prototypes.
11998
11999         * diagnostic.h: Remove unused prototype
12000         debug_output_buffer.
12001         * modulo-sched.c: Remove unused prototype
12002         set_row_column_for_ps.
12003
12004         * tree-ssa-phiopt.c (tree_ssa_phiopt,
12005         replace_phi_edge_with_variable): Remove unused variable i.
12006
12007 2005-03-07  Per Bothner  <per@bothner.com>
12008
12009         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
12010
12011 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
12012
12013         PR tree-opt/17671
12014         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
12015         bbs on the COND_EXPR instead of the PHI_NODEs.
12016         (candidate_bb_for_phi_optimization): Remove.
12017         (replace_phi_with_stmt): Rename to ...
12018         (replace_phi_edge_with_variable): this and change so that we
12019         replace the phi argument instead of removing the PHI.
12020         (conditional_replacement): Change so we deal with PHI with more
12021         than two arguments.
12022         (value_replacement): Likewise.
12023         (abs_replacement): Likewise.
12024
12025 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
12026
12027         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
12028         output_e500_flip_gt_bit.
12029
12030         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
12031         as bit 31.
12032         (rs6000_generate_compare): Fix logic to look at the correct bits.
12033         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
12034         Look at GT bit.
12035         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
12036         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
12037         gen_move_from_CR_gt_bit.
12038
12039         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
12040         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
12041         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
12042
12043         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
12044         (E500_CR_IOR_COMPARE): New constant.
12045
12046 2005-03-08  Earl Chew <earl_chew@agilent.com>
12047             David Billinghurst <David.Billinghurst@riotinto.com>
12048
12049         * config/i386/host-cygwin.c: New file to support precompiled
12050         headers on cygwin
12051         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
12052         * config.host: Use above files for cygwin host.
12053
12054 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
12055
12056         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
12057         ordering ops from earlier change.
12058
12059 2005-03-07  Per Bothner  <per@bothner.com>
12060
12061         Various fixes to allow us to again build if --enable-mapped-location:
12062         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
12063         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
12064         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
12065         local variable loc. Change logic appropriately.
12066         * tree-vect-transform.c (vect_finish_stmt_generation): Use
12067         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
12068         * c-parser.c (c_parser_for_statement): Initialize loc variable.
12069         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
12070         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
12071
12072 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
12073
12074         PR rtl-optimization/19683
12075         * reload1.c (choose_reload_regs): Pass the number of bits, not the
12076         number of bytes, to smallest_int_for_mode.  Fix arguments to
12077         REG_CANNOT_CHANGE_MODE_P.
12078
12079 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
12080
12081         * reorg.c (relax_delay_slots): Check that the jump is
12082         conditional before trying to invert it.
12083
12084 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
12085
12086         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
12087         Make them static.
12088
12089         * calls (stack_arg_under_construction): Make it static.
12090
12091         * flow.c (regs_live_at_setjmp): Make it static.
12092         * flow.h: Remove the corresponding prototype.
12093
12094         * reload1.c (reload_startobj, reload_firstobj,
12095         something_needs_operands_changed, reload_inherited,
12096         reload_inheritance_insn, reload_override_in,
12097         reload_spill_index): Make them static.
12098
12099         * recog.c (verify_changes): Make it static.
12100         * recog.h: Remove the corresponding prototype.
12101
12102         * cfgbuild.c (find_sub_basic_blocks): Remove.
12103         * basic-block.h: Remove the corresponding prototype.
12104         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
12105         in comments.
12106         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
12107
12108         * tree-ssa-operands.c (check_build_stmt): Remove.
12109
12110         * stor-layout.c (set_alignment): Remove.
12111         * tree.h: Remove the corresponding prototype.
12112
12113         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
12114
12115         * tree-ssa-dce.c (control_dependence_map,
12116         visited_control_parents): Make them static.
12117
12118         * cfghooks.c (verify_flow_info): Remove local variable
12119         num_bb_notes.
12120
12121         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
12122         last_bb_seen.
12123
12124         * loop-unswitch.c (unswitch_loop): Remove local variable src.
12125
12126 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
12127
12128         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
12129
12130 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
12131
12132         * config/ia64/hpux.h (LINK_SPEC): Add -z.
12133         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
12134         PARALLEL for an empty structure.
12135
12136 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
12137
12138         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
12139
12140         * fold-const.c (fold_binary): Unroll the very first "for"
12141         loop.
12142
12143 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
12144
12145         * config/rs6000/predicates.md (branch_comparison_operator): Remove
12146         redundant match_code test.
12147         (scc_comparison_operator): Swap match_operand and match_code
12148         tests.
12149         (branch_positive_comparison_operator): Same.
12150         (trap_comparison_operator): Use comparison_operator and swap with
12151         match_code test.
12152
12153 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
12154
12155         PR target/20288
12156         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
12157         (out_movhi_r_mr): Read low byte of volatile MEM first.
12158         (out_movhi_mr_r): Write high byte of volatile MEM first.
12159
12160 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
12161
12162         * cselib.c (reg_values, reg_values_size): Make them static.
12163
12164         * cse.c (cse_reg_info_table): Make it static.
12165
12166         * fold-const.c (fold_unary): Use build1 instead of copy_node.
12167
12168 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
12169
12170         * cse.c (find_best_addr): Use canon_for_address.
12171
12172 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
12173
12174         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
12175         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
12176         SUBREG and MEM, respectively.
12177
12178         * fold-const.c (fold_binary): Use code instead of t.
12179
12180         * fold-const.c (optimize_minmax_comparison): Take decomposed
12181         arguments code, type, op0, and op1 instead of t.
12182         (fold_binary): Update a call to optimize_minmax_comparison.
12183
12184         * fold-const.c (fold_range_test): Take decomposed arguments
12185         code, type, op0, and op1 instead of t.
12186         (fold_binary): Update a call to fold_range_test.
12187
12188         * fold-const.c (fold_binary_op_with_conditional_arg): Take
12189         decomposed arguments code, type, op0, and op1 instead of t.
12190         (fold_binary): Update a call to fold_range_test.
12191
12192 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
12193
12194         * fold-const.c (fold_binary): Avoid directly using the original
12195         expression t as much as possible.
12196
12197 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
12198
12199         * c-semantics.c (build_stmt): Use TYPE_P instead of
12200         IS_NON_TYPE_CODE_CLASS.
12201         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
12202         (NON_TYPE_CHECK): Use TYPE_P instead of
12203         IS_NON_TYPE_CODE_CLASS.
12204
12205         * fold-const.c (fold): Remove handling of binary expressions.
12206
12207 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
12208
12209         * doc/c-tree.texi: Wrap comments in @r{}.
12210         * doc/cpp.texi: Likewise.
12211         * doc/cppinternals.texi: Likewise.
12212         * doc/extend.texi: Likewise.
12213         * doc/md.texi: Likewise.
12214         * doc/objc.texi: Likewise.
12215         * doc/sourcebuild.texi: Likewise.
12216         * doc/tm.texi: Likewise.
12217         * doc/tree-ssa.texi
12218
12219 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
12220
12221         * predict.c (apply_return_prediction): Standardize PHI chain
12222         walking.
12223         * tree-ssa.c (ssa_redirect_edge): Likewise.
12224
12225         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
12226         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
12227         Update copyright.
12228
12229         * tree-phinodes.c (remove_phi_node): Drop the last argument.
12230         * tree-flow.h: Adjust the prototype for remove_phi_node.
12231         * lambda-code.c (perfect_nestify): Adjust a call to
12232         remove_phi_node.
12233         * tree-cfg.c
12234         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
12235         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
12236         Likewise.
12237         * tree-ssa-dce.c (remove_dead_phis): Likewise.
12238         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12239         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12240         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
12241
12242         * combine.c (simplify_and_const_int): Use gen_int_mode instead
12243         of GEN_INT (trunc_int_for_mode (...)).
12244         * loop-iv.c (iv_number_of_iterations): Likewise.
12245         * postreload.c (reload_cse_move2add): Likewise.
12246         * simplify-rtx.c (simplify_const_unary_operation,
12247         simplify_const_binary_operation): Likewise.
12248         * stor-layout.c (get_mode_bounds): Likewise.
12249
12250         * fold-const.c (fold_binary): New.
12251         (fold): Call fold_binary on binary expressions.
12252
12253 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
12254
12255         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
12256         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
12257         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
12258         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
12259         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
12260
12261 2005-03-04  Devang Patel  <dpatel@apple.com>
12262
12263         PR tree-optimization/18815
12264         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
12265         loops with zero exit edges.
12266
12267 2005-03-04  Devang Patel  <dpatel@apple.com>
12268
12269         * doc/invoke.texi: Remove reference to webpage that does not exist.
12270
12271 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
12272             Joseph S. Myers  <joseph@codesourcery.com>
12273
12274         PR c++/19797
12275         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
12276         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
12277         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
12278         * pa.c (get_plabel): Change argument to symbol_ref.  Call
12279         maybe_get_identifier instead of get_identifier.
12280         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
12281         (struct deferred_plabel): Replace name field with symbol field.
12282         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
12283         ASM_OUTPUT_EXTERNAL_REAL is defined.
12284         (output_global_address): Use output_addr_const for output of all
12285         symbol_refs.
12286         (output_deferred_plabels): Use symbol_ref instead of name for address
12287         output.
12288         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
12289         ASM_OUTPUT_SYMBOL_REF): New macros.
12290         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
12291         comment.
12292         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
12293         label.
12294
12295 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
12296
12297         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
12298         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
12299
12300 2005-03-04  Jeff Law  <law@redhat.com>
12301
12302         * basic-block.h (rediscover_loops_after_threading): Declare.
12303         * tree-ssa-dom.c: Include cfgloop.h.
12304         (tree_ssa_dominator_optimize): Discover loops and some basic
12305         properties.  Remove forwarder blocks recreated by loop header
12306         canonicalization.  Also mark backedges in the CFG.
12307         * tree-ssa-threadupdate.c: Include cfgloop.h
12308         (rediscover_loops_after_threading): Define.
12309         (struct local_info): New field, JUMP_THREADED.
12310         (prune_undesirable_thread_requests): New function.
12311         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
12312         then record that fact for the callers of redirct_edges.
12313         (thread_block): If BB has incoming backedges, then call
12314         prune_undesirable_thraed_requests.    Note when we are
12315         going to have to rediscover loop information.  Return a
12316         boolean indicating if any jumps were threaded.
12317         (thread_through_all_blocks): Bubble up boolean indicating
12318         if any jumps were threaded.
12319         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
12320         (tree-ssa-threadupdate.o): Similarly.
12321
12322 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
12323
12324         * fold-const.c (fold_ternary): Unroll the "for" loop to
12325         extract operands.
12326
12327 2005-03-04  Andrew Haley  <aph@redhat.com>
12328
12329         * unwind-dw2-fde-glibc.c (struct
12330         unw_eh_callback_data.check_cache): New field.
12331         (frame_hdr_cache): New.
12332         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
12333         Cache frame header info.
12334
12335 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
12336
12337         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
12338         (print_c_condition): Declare.
12339         * read-rtl.c (ptr_loc): New structure.
12340         (ptr_locs, ptr_loc_obstack, joined_conditions)
12341         (joined_conditions_obstack): New variables.
12342         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
12343         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
12344         (join_c_conditions, print_c_condition): New functions.
12345         (apply_macro_to_string): Associate the new string with the same
12346         source location as the old one.
12347         (add_condition_to_string): Use join_c_conditions.
12348         (read_string): Use set_rtx_ptr_loc to record a filename and line
12349         number for the string.
12350         (read_rtx): Initialize the new variables above.
12351         * genattrtab.c (write_test_expr, write_attr_value): Use
12352         print_c_condition.
12353         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
12354         comment above the GCC_VERSION check.
12355         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
12356         Inline the definition of MAYBE_EVAL.
12357         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
12358         * genoutput.c (process_template): Likewise.
12359         * genpreds.c (write_predicate_subfunction): Likewise.
12360         (write_predicate_expr): Use print_c_condition.
12361         * genrecog.c (write_cond): Likewise.
12362         * gensupport.c (process_rtx): Use join_c_conditions to join the
12363         conditions of a define_insn_and_split.  Record a source location
12364         for the string after the "&&".
12365         (alter_test_for_insn): Use join_c_conditions.
12366
12367 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
12368
12369         Revert for now:
12370         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
12371         PR tree-optimization/15784
12372         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
12373         and -1 - A to ~A.
12374
12375 2005-03-04  Ben Elliston  <bje@au.ibm.com>
12376
12377         * gcc.c (option_map): Add --coverage.
12378         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
12379         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
12380         * config/darwin.h: Pass -lgcov for `coverage'.
12381         * doc/invoke.texi (Debugging Options): Document --coverage.
12382
12383 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
12384
12385         * gcse.c (bypass_block): Use find_edge wherever possible.
12386
12387 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
12388
12389         Fix PR debug/20253
12390
12391         * c-opts.c (c_common_parse_file): Call start_source_file
12392         and end_source_file at the approriate times.
12393
12394         * dwarf2out.c (dwarf2out_finish): Don't auto-end
12395         the main file, it will be done for us now.
12396
12397 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
12398
12399         * fold-const.c (fold_ternary): New.
12400         (fold): Call fold_ternary on ternary expressions.  Remove
12401         handling of ternary expressions.
12402
12403 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
12404
12405         PR tree-optimization/15784
12406         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
12407         and -1 - A to ~A.
12408
12409 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
12410
12411         * config/rs6000/predicates.md (branch_comparison_operator):
12412         Convert from C block to conditional format.
12413
12414 2005-03-03  Jan Hubicka  <jh@suse.cz>
12415
12416         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
12417         and non-constant public variables.
12418
12419 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
12420
12421         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
12422         with LABEL_EXPR.
12423
12424         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
12425         EDGE_I.
12426
12427         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
12428         calls to release_ssa_name and release_phi_node.
12429
12430         * fold-const.c (fold): Remove handling of unary expressions.
12431
12432         * fold-const.c (fold_unary): Avoid directly using the original
12433         expression t as much as possible.
12434
12435 2005-03-03  Roger Sayle  <roger@eyesopen.com>
12436             Andrew Pinski  <pinskia@physics.uc.edu>
12437
12438         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
12439         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
12440
12441 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
12442
12443         Describe special registers SRP and MOF as allocatable registers.
12444         * config/cris/cris.c (cris_md_asm_clobbers): New function.
12445         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
12446         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
12447         TARGET_HAS_MUL_INSNS.
12448         (cris_print_operand) <case 'd'>: New case.
12449         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
12450         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
12451         define.
12452         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
12453         (REG_ALLOC_ORDER): Update for MOF.
12454         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
12455         SPECIAL_REGS.
12456         (GENERAL_REGS): No longer a define of ALL_REGS.
12457         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
12458         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
12459         Adjust accordingly.
12460         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
12461         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
12462         (SECONDARY_RELOAD_CLASS): Define.
12463         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
12464         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
12465         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
12466         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
12467         (REGISTER_MOVE_COST): Define.
12468         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
12469         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
12470         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
12471         (CRIS_MOF_REGNUM): New define_constants.
12472         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
12473         special registers.
12474         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
12475         New patterns.
12476         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
12477         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
12478         Adjust for MOF being properly described as a register.
12479         (indir_to_reg_split): Name this split.  Conditionalize on the
12480         destination register being a general register.
12481         (movei): Conditionalize on on operands 0 and 1 having the same
12482         register class.
12483
12484 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
12485
12486         PR target/20277
12487         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
12488         -mcpu to override any other explicitly given flags.
12489
12490 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
12491
12492         * recog.c (verify_changes, confirm_change_group): New functions,
12493         broken out of apply_change_group.
12494         (apply_change_group): Use them.
12495         * recog.h (verify_change, confirm_change_group): Declare.
12496         * rtl.h (redirect_jump_2): Declare.
12497         * jump.c (redirect_exp, invert_exp): Delete.
12498         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
12499         (redirect_jump_2): New function, broken out of redirect_jump.
12500         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
12501         (invert_jump): Use invert_jump_1 and redirect_jump_2.
12502         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
12503
12504 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
12505
12506         * varasm.c (named_section): Use xstrdup rather than doing it by
12507         hand.
12508
12509         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
12510
12511 2005-03-02  Devang Patel  <dpatel@apple.com>
12512
12513         Undo PR tree-optimization/18815 fix.
12514
12515 2005-03-02  Devang Patel  <dpatel@apple.com>
12516
12517         PR tree-optimization/18815
12518         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
12519         loops with zero exit edges.
12520
12521 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
12522
12523         * cfg.c (connect_src, connect_dest, disconnect_src,
12524         disconnct_dest): New.
12525         (unchecked_make_edge, remove_edge, redirect_edge_succ,
12526         redirect_edge_pred): Use the new functions.
12527
12528         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
12529         free_dominance_info only when needed.
12530
12531 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
12532
12533         PR target/20276
12534         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
12535         (reg_or_sub_cint64_operand): Same.
12536
12537 2005-03-02  Jeff Law  <law@redhat.com>
12538
12539         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
12540         CFG_ALTERED in the main DOM iteration loop.
12541
12542 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
12543
12544         PR c++/19916
12545         * varasm.c (initializer_constant_valid_p): Allow conversions
12546         between OFFSET_TYPEs.  Tidy.
12547
12548 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
12549
12550         * config/cris/cris.md ("return"): Remove epilogue delay list
12551         sanity check.
12552
12553 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
12554
12555         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
12556         for Thumb.
12557         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
12558
12559 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
12560
12561         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
12562         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
12563         config/m68k/m68k.c, config/mips/mips.h,
12564         config/rs6000/rs6000-protos.h, doc/contrib.texi,
12565         doc/include/gcc-common.texi: Update copyright.
12566
12567         PR middle-end/18029 and PR middle-end/18030
12568         * expr.c (optimize_bitfield_assignment_op): Add a special case
12569         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
12570
12571         * fold-const.c (fold_unary): New.
12572         (fold): Call fold_unary on unary expressions.
12573
12574 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
12575
12576         * cgraph.h (struct cgraph_edge): Add prev_caller and
12577         prev_callee fields.
12578         (cgraph_node_remove_callees): Export.
12579         * cgraph.c (cgraph_create_edge): Initialize prev_caller
12580         and prev_callee.
12581         (cgraph_edge_remove_callee): New function.
12582         (cgraph_edge_remove_caller): Likewise.
12583         (cgraph_remove_edge): Use.
12584         (cgraph_redirect_edge_callee): Likewise.
12585         (cgraph_node_remove_callees): New function.
12586         (cgraph_node_remove_callers): Likewise.
12587         (cgraph_remove_node): Use.
12588         * tree-optimize.c (tree_rest_of_compilation): Use
12589         cgraph_node_remove_callees instead of manual loop.
12590         * cgraphunit.c (cgraph_finalize_function): Likewise.
12591         (cgraph_expand_function): Likewise.
12592         (cgraph_remove_unreachable_nodes): Likewise.
12593
12594 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
12595
12596         PR c/8927
12597         * c-tree.h (undeclared_variable, build_external_ref): Add extra
12598         argument.
12599         * c-decl.c (undeclared_variable): Take location as argument.
12600         * c-typeck.c (build_external_ref): Likewise.
12601         * c-parser.c (c_parser_postfix_expression): Pass location of
12602         identifier to build_external_ref.
12603
12604 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
12605
12606         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
12607         CCEQ mode for branch_positive_comparison_operator test.
12608         * config/rs6000/predicates (branch_comparison_operator): Revert to
12609         define_predicate.
12610         (scc_comparison_operator): Same.
12611         (branch_positive_comparison_operator): Same.
12612
12613 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
12614
12615         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
12616         (cris_delay_slots_for_epilogue): Remove.
12617         (save_last): Move into cris_target_asm_function_epilogue.
12618         (cris_target_asm_function_epilogue): Remove tests for file being
12619         NULL.
12620         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
12621         (cris_delay_slots_for_epilogue): Remove prototypes.
12622         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
12623         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
12624
12625 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
12626
12627         * config/rs6000/predicates.md (branch_comparison_operator): Change
12628         to define_special_predicate.
12629         (scc_comparison_operator): Same.
12630         (branch_positive_comparison_operator): Same.
12631
12632 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
12633
12634         * Makefile.in (tree-ssa-sink.o): New.
12635         (OBJS-common): Add tree-ssa-sink.o.
12636         * common.opt: Add -ftree-sink
12637         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
12638         * timevar.def (TV_TREE_SINK): new timevar.
12639         * tree-flow.h (is_hidden_global_store): Prototype.
12640         * tree-optimize.c (init_tree_optimization_passes): Add
12641         pass_sink_code.
12642         * tree-pass.h (pass_sink_code): New.
12643         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
12644         for non-obvious global store store to is_hidden_global_store, and
12645         call that new function.
12646         * tree-ssa-sink.c: New file.
12647         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
12648         * doc/passes.texi: Document forward store motion.
12649         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
12650         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
12651         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
12652         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
12653
12654 2005-03-01  Per Bothner  <per@bothner.com>
12655
12656         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
12657         and we have a non-zero column-number, add it to the message.
12658         Also factor out the diagnostic_kind_text.
12659
12660 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
12661
12662         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
12663         flow_loop_pre_header_scan, flow_loop_pre_header_find,
12664         flow_loop_scan): Removed.
12665         (flow_loop_dump): Do not dump removed fields.
12666         (flow_loop_free): Do not free removed fields.
12667         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
12668         (loop_exit_edge_p): New function.
12669         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
12670         num_pre_header_edges, entry_edges, num_entries, exit_edges,
12671         num_exits, exits_doms.
12672         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
12673         LOOP_EDGES, LOOP_ALL): Removed.
12674         (flow_loop_scan): Declaration removed.
12675         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
12676         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
12677         flow_loops_find.
12678         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
12679         (if_convert): Call flow_loops_find and flow_loops_free
12680         when calling mark_loop_exit_edges.
12681         * cfgloopanal.c (mark_loop_exit_edges): Moved from
12682         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
12683         free_dominance_info calls.
12684         * loop-init.c (flow_loops_find): Ditto.
12685         * passes.c (rest_of_handle_branch_prob): Ditto.
12686         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
12687         * loop-unroll.c (analyze_insns_in_loop): Do not use
12688         EDGE_LOOP_EXIT.
12689         * predict.c (predict_loops): Do not call flow_loop_scan.
12690         Use get_loop_exit_edges.
12691         (tree_estimate_probability): Do not pass flags to flow_loops_find.
12692         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
12693         Do not use EDGE_LOOP_EXIT.
12694         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
12695         to bb_with_exit_edge_p.
12696         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
12697         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
12698         to bb_with_exit_edge_p.
12699         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
12700         EDGE_LOOP_EXIT.
12701         * tree-loop-linear.c (linear_transform_loops): Do not call
12702         flow_loop_scan.  Use loop->single_exit.
12703         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
12704         (vect_analyze_loop_form): Do not call flow_loop_scan.
12705         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
12706         loop->single_exit.
12707         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
12708         loop->single_exit.
12709         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
12710         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
12711         slpeel_tree_duplicate_loop_to_edge_cfg,
12712         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
12713         Use loop_preheader_edge and loop->single_exit.  Do not call
12714         flow_loop_scan.
12715
12716 2005-03-01  Nick Clifton  <nickc@redhat.com>
12717
12718         * config/arm/arm.c (thumb_find_work_register): Check all of the
12719         argument registers to see if they are free, and a couple of
12720         special cases where the last argument register but can be proved
12721         to be available during the function's prologue.
12722         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
12723         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
12724         thumb_unexpanded_epilogue): Use unsigned long as the type for the
12725         register bit-mask.
12726         (thumb_compute_save_reg_mask): Likewise.  Also use
12727         thumb_find_work_register() to ensure that there is agreement about
12728         which work register is going to be used in the prologue.
12729         (thumb_output_function_prologue): Use unsigned long as the type
12730         for the register bit-mask.  Also delay pushing the link register if
12731         other high registers are going to be pushed.
12732         (thumb_compute_save_reg_mask, emit_multi_reg_push,
12733         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
12734         redundant prototypes.
12735
12736 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
12737
12738         PR target/19819
12739         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
12740         and after reload in REG+REG indexed addresses without REG_POINTER
12741         set in the base and not set in the index.
12742
12743 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
12744
12745         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
12746         Don't undefine here.
12747         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
12748         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
12749         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
12750         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
12751         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
12752         Delete.
12753         * config.gcc (sh*-*-linux*): Use config/linux.h.
12754
12755 2005-02-28  Dale Johannesen  <dalej@apple.com>
12756             Stan Shebs  <shebs@apple.com>
12757
12758         Rewrite of 64-bit Darwin structure-by-value pass/return.
12759         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
12760         intoffset, use_stack, named.
12761         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
12762         (rs6000_darwin64_record_arg_advance_flush):  New.
12763         (rs6000_darwin64_record_arg_advance_recurse): New.
12764         (rs6000_darwin64_record_arg_flush):  New.
12765         (rs6000_darwin64_record_arg_recurse):  New.
12766         (rs6000_darwin64_record_arg):  New.
12767         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
12768         (function_arg_boundary):  Handle 128-bit aligned structs.
12769         (function_arg_advance):  Rewrite darwin64 struct handling.
12770         (function_arg):  Call rs6000_darwin64_record_arg.
12771         (function_arg_partial_nregs):  Handle darwin64 structs.
12772         (rs6000_darwin64_function_value):  Remove.
12773         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
12774
12775 2005-02-28  Roger Sayle  <roger@eyesopen.com>
12776
12777         PR tree-optimization/20216
12778         * tree-chrec.c (tree_fold_factorial): Delete.
12779         (tree_fold_binomial): Change argument list to take a return type
12780         and change the type of K to unsigned int.  Rewrite to avoid explicit
12781         evaluation of factorials, and (recursively) calling fold to perform
12782         compile-time arithmetic.  Return NULL on (internal) overflow.
12783         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
12784         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
12785         if any intermediate calculation overflows.
12786         (chrec_apply): Update call to chrec_evaluate.
12787
12788 2005-02-28  James E Wilson  <wilson@specifixinc.com>
12789
12790         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
12791
12792 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
12793
12794         PR c/20245
12795         * c-parser.c (c_parser_compound_statement): Return error_mark_node
12796         instead of NULL_TREE on error.
12797
12798 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
12799
12800         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
12801         (EASY_VECTOR_15_ADD_SELF): Remove.
12802         (num_insns_constant_wide): Not static.
12803         (validate_condition_mode): Not static.
12804         (toc_relative_expr_p): Not static.
12805         (legitimate_indirect_address_p): Not static.
12806         (macho_lo_sum_memory_operand): Not static.
12807         (invalid_e500_subreg): Not static.
12808         (easy_vector_same): Not static.
12809         (easy_vector_splat_const): Not static.
12810         (RS6000_SYMBOL_REF_TLS_P): Remove.
12811         (any_operand): Delete.
12812         (any_parallel_operand): Delete.
12813         (count_register_operand): Delete.
12814         (altivec_register_operand): Delete.
12815         (xer_operand): Delete.
12816         (s8bit_cint_operand): Delete.
12817         (short_cint_operand): Delete.
12818         (u_short_cint_operand): Delete.
12819         (non_short_cint_operand): Delete.
12820         (exact_log2_cint_operand): Delete.
12821         (gpc_reg_operand): Delete.
12822         (cc_reg_operand): Delete.
12823         (cc_reg_not_cr0_operand): Delete.
12824         (reg_or_short_operand): Delete.
12825         (reg_or_neg_short_operand): Delete.
12826         (reg_or_aligned_short_operand): Delete.
12827         (reg_or_u_short_operand): Delete.
12828         (reg_or_cint_operand): Delete.
12829         (reg_or_arith_cint_operand): Delete.
12830         (reg_or_add_cint64_operand): Delete.
12831         (reg_or_sub_cint64_operand): Delete.
12832         (reg_or_logical_cint_operand): Delete.
12833         (got_operand): Delete.
12834         (got_no_const_operand): Delete.
12835         (easy_fp_constant): Delete.
12836         (easy_vector_constant): Delete.
12837         (easy_vector_constant_add_self): Delete.
12838         (zero_constant): Delete.
12839         (zero_fp_constant): Delete.
12840         (volatile_mem_operand): Delete.
12841         (offsettable_mem_operand): Delete.
12842         (mem_or_easy_const_operand): Delete.
12843         (add_operand): Delete.
12844         (non_add_cint_operand): Delete.
12845         (logical_operand): Delete.
12846         (non_logical_cint_operand): Delete.
12847         (mask_operand): Delete.
12848         (mask_operand_wrap): Delete.
12849         (mask64_operand): Delete.
12850         (mask64_2_operand): Delete.
12851         (and64_operand): Delete.
12852         (and64_2_operand): Delete.
12853         (and_operand): Delete.
12854         (reg_or_mem_operand): Delete.
12855         (lwa_operand): Delete.
12856         (symbol_ref_operand): Delete.
12857         (call_operand): Delete.
12858         (current_file_function_operand): Delete.
12859         (input_operand): Delete.
12860         (rs6000_nonimmediate_operand): Delete.
12861         (rs6000_tls_symbol_ref): Delete.
12862         (save_world_operation): Delete.
12863         (restore_world_operation): Delete.
12864         (load_multiple_operation): Delete.
12865         (store_multiple_operation): Delete.
12866         (vrsave_operation): Delete.
12867         (mfcr_operation): Delete.
12868         (mtcrf_operation): Delete.
12869         (lmw_operation): Delete.
12870         (stmw_operation): Delete.
12871         (branch_comparison_operator): Delete.
12872         (branch_positive_comparison_operator): Delete.
12873         (scc_comparison_operator): Delete.
12874         (trap_comparison_operator): Delete.
12875         (boolean_operator): Delete.
12876         (boolean_or_operator): Delete.
12877         (min_max_operator): Delete.
12878         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
12879         (EASY_VECTOR_15): Moved to here.
12880         (EASY_VECTOR_15_ADD_SELF): Move to here.
12881         (PREDICATE_CODES): Delete.
12882         * config/rs6000/rs6000-protos.h: Delete predicate functions.
12883         Declare functions no longer static.
12884         * config/rs6000/predicates.md: New.
12885         * config/rs6000/rs6000.md: Include predicates.md
12886
12887 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
12888
12889         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
12890         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
12891         REG_ALWAYS_RETURN.
12892         * cfgrtl.c (need_fake_edge_p): Likewise.
12893         * combine.c (distribute_notes): Likewise.
12894         * emit-rtl.c (try_split): Likewise.
12895         * recog.c (peephole2_opimize): Likewise.
12896         * reg-notes.def (ALWAYS_RETURN): Remove.
12897         * rtl.h (LCT_ALWAYS_RETURN): Remove.
12898         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
12899         * tree.h (ECF_ALWAYS_RETURN): Remove.
12900
12901 2005-02-28  Roger Sayle  <roger@eyesopen.com>
12902
12903         PR middle-end/19874
12904         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
12905         between different machine modes is never a "useless" conversion.
12906
12907 2005-02-28  Geert Bosch  <bosch@gnat.com>
12908
12909         PR ada/15977
12910         * doc/contrib.texi: List contributors for Ada front end
12911
12912 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
12913
12914         * simplify-rtx.c (simplify_unary_operation_1,
12915         simplify_const_unary_operation): New, extracted from...
12916         (simplify_unary_operation): ... this one.
12917         (simplify_binary_operation_1,
12918         simplify_const_binary_operation): New, extracted from...
12919         (simplify_binary_operation): ... this one.
12920         * rtl.h (simplify_const_unary_operation,
12921         simplify_const_binary_operation): Add prototypes.
12922
12923 2005-02-28  Julian Brown  <julian@codesourcery.com>
12924
12925         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
12926         building libjava and caused PR regression/20228.
12927
12928 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
12929
12930         PR bootstrap/17383
12931         * Makefile.in (host_subdir): New.
12932         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
12933         * configure: Regenerate.
12934
12935 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
12936
12937         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
12938         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
12939         installation directory first.
12940
12941 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
12942
12943         PR target/19065.
12944         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
12945         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
12946         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
12947         * config/cris/cris.md: Tweak comments referring to Q.
12948         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
12949         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
12950         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
12951         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
12952         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
12953         Insert spaces in constraints to align alternatives vertically for
12954         readability.
12955         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
12956         operand 1: "M".
12957
12958 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12959
12960         PR rtl-optimization/17728
12961         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
12962         operand 0 from general_operand to move_dest_operand.
12963
12964 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12965
12966         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
12967         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
12968         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
12969         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
12970
12971 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
12972
12973         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
12974         * configure: Regenerate.
12975         * libada-mk.in: Remove CC; rename
12976         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
12977
12978 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
12979
12980         PR tree-opt/20188
12981         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
12982         for the lhs, also walk over the tree.  Likewise for rhs.
12983
12984 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
12985
12986         * tree-ssa-dom.c (simple_iv_increment_p): New function.
12987         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
12988         Do not propagate value of iv before increment over the increment.
12989
12990 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
12991
12992         * c-parser.c: New file.
12993         * c-parse.in: Remove.
12994         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
12995         Remove.
12996         (c-parser.o): Add dependencies.
12997         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
12998         maintainer-clean, TAGS): Update.
12999         * c-config-lang.in (gtfiles): Update.
13000         * gengtype-lex.l: Don't handle "@@".
13001         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
13002         objc_build_synchronized, objc_begin_try_stmt,
13003         objc_begin_catch_clause, objc_finish_catch_clause,
13004         objc_build_finally_clause, objc_finish_try_stmt): New.
13005         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
13006         type_seen_p.
13007         (c_parse_init): Update comment.
13008         * c-decl.c (c_init_decl_processing): Update comment.
13009         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
13010         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
13011         new c_declspecs members.
13012
13013 2005-02-25  Julian Brown  <julian@codesourcery.com>
13014
13015         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
13016         from being used for symbols with vague linkage when
13017         HAVE_GAS_COMDAT_GROUP is true.
13018
13019 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
13020
13021         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
13022
13023 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
13024
13025         PR target/19930
13026         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
13027         (LIBGCC2_HAS_DF_MODE): New.
13028         (LIBGCC2_HAS_XF_MODE): New.
13029         (LIBGCC2_HAS_TF_MODE): New.
13030         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
13031         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
13032         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
13033         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
13034         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
13035         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
13036         and add _fixtfdi, _fixunstfdi, _floatditf
13037         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
13038         L_fixunstfdi, L_floatditf.
13039         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
13040         (LIBGCC2_HAS_TF_MODE): Define.
13041
13042 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
13043
13044         PR tree-optimization/20204
13045         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
13046         REWRITE_THIS_STMT markers on PHI nodes.
13047         (rewrite_initialize_block): Likewise.
13048
13049 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
13050
13051         * version.c (version_string): Update to 4.1.
13052
13053 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
13054
13055         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
13056         Clarify that the alternative way doesn't work in GNU C++.
13057
13058 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
13059
13060         PR tree-optimization/19937
13061         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
13062         to the type of the induction variable.
13063
13064 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
13065
13066         PR rtl-optimization/20117
13067         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
13068         the block including noncopyable insn.
13069
13070 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
13071
13072         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
13073         calls to find_reg_note.
13074
13075 2005-02-24  Richard Henderson  <rth@redhat.com>
13076
13077         PR tree-opt/20127
13078         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
13079         the type.
13080
13081 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
13082
13083         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
13084         vector types if to use base reg for misaligned non-word ld/std.
13085
13086 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
13087
13088         PR target/14619
13089         * config/cris/cris.c (cris_target_asm_function_prologue): Create
13090         dwarf2 label manually and put it after, not before the prologue.
13091
13092 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
13093
13094         PR target/19019
13095         * reload.c (operands_match_p): Only increment register number for
13096         SCALAR_INT_MODE_P modes in multiple hard registers.
13097
13098         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
13099         Fix formatting.
13100
13101 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
13102
13103         * ChangeLog.5: Fix log message typo(s).
13104         * ChangeLog.7: Likewise.
13105         * ChangeLog.tree-ssa: Likewise.
13106         * cfgexpand.c: Fix comment typo(s).
13107         * conflict.c: Likewise.
13108         * defaults.h: Likewise.
13109         * dwarf2out.c: Likewise.
13110         * gcse.c: Likewise.
13111         * ggc-page.c: Likewise.
13112         * tree-eh.c: Likewise.
13113         * tree-ssa-dom.c: Likewise.
13114
13115 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
13116
13117         PR target/19019
13118         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
13119         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
13120         if SHARED is defined.
13121
13122         PR target/20196
13123         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
13124         allow splitting only if operands 0 and 3 don't overlap.
13125
13126 2005-02-24  Richard Henderson  <rth@redhat.com>
13127
13128         PR middle-end/19953
13129         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
13130         (fold_builtin_1): Call them.
13131         * fold-const.c (fold_complex_mult_parts): Split out from ...
13132         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
13133         (fold_complex_div_parts, fold_complex_div): New.
13134         (fold): Use them.
13135         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
13136
13137 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
13138
13139         * tree-ssa-ccp.c (visit_assignment): Verify that result of
13140         VIEW_CONVERT_EXPR is_gimple_min_invariant.
13141
13142         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
13143         (print_node): Likewise.
13144         Print TYPE_SIZES_GIMPLIFIED.
13145
13146 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
13147
13148         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
13149         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
13150         operands as commutative in constraints.
13151
13152 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
13153
13154         * tree-into-ssa.c: Re-organize internal functions.
13155
13156 2005-02-24  Richard Henderson  <rth@redhat.com>
13157
13158         PR middle-end/18902
13159         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
13160         for c99.
13161         * common.opt (fcx-limited-range): New.
13162         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
13163         * toplev.c (flag_complex_method): Initialize to 1.
13164         (process_options): Set flag_complex_method to 0 if
13165         flag_cx_limited_range.
13166         * doc/invoke.texi (-fcx-limited-range): New.
13167
13168 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
13169
13170         * cse.c (delete_trivially_dead_insns): Speed up by using
13171         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
13172         prev_real_insn.
13173
13174 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
13175
13176         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
13177         functions when -mid-shared-library is being used.
13178
13179 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
13180
13181         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
13182         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
13183         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
13184         * system.h: Poison LINK_LIBGCC_SPECIAL.
13185
13186 2005-02-23  James E Wilson  <wilson@specifixinc.com>
13187
13188         * gengtype.c (note_insn_name): Make 1 element larger.
13189
13190 2005-02-23  Roger Sayle  <roger@eyesopen.com>
13191
13192         PR target/20018
13193         PR rtl-optimization/20097
13194         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
13195         BImode SUBREGs of SImode registers which confuse the ia64 backend.
13196
13197 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
13198
13199         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
13200         * t-aix52 (SHLIB_INSTALL): Same.
13201
13202 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
13203
13204         * genpreds.c: Update copyright.
13205
13206 2005-02-23  Michael Beach  <michaelb@ieee.org>
13207
13208         PR target/20159
13209         * config/sparc/t-elf (startup files): Assemble with CPP.
13210
13211 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
13212
13213         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
13214         (write_predicate_expr): Likewise.
13215
13216 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
13217
13218         PR tree-optimization/20100
13219         PR tree-optimization/20115
13220         * tree-optimize.c (init_tree_optimization_passes): Remove
13221         pass_maybe_create_global_var.
13222         * tree-pass.h (pass_maybe_create_global_var): Remove.
13223         * tree-ssa-alias.c (aliases_computed_p): Declare.
13224         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
13225         (count_calls_and_maybe_create_global_var): Remove.
13226         (pass_maybe_create_global_var): Remove.
13227         (init_alias_info): Do not declare aliases_computed_p.
13228         (maybe_create_global_var): If the function contains no
13229         call-clobbered variables and a mix of pure/const and regular
13230         function calls, create .GLOBAL_VAR.
13231         Mark all call-clobbered variables for renaming.
13232         (merge_pointed_to_info): Update comment.
13233         (add_pointed_to_var): Likewise.
13234         (is_escape_site): Likewise.
13235         Accept struct alias_info * instead of size_t *.
13236         Update all users.
13237         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
13238         as necessary.
13239         * tree-ssa-operands.c (get_call_expr_operands): If
13240         ALIASES_COMPUTED_P is false, do not add call-clobbering
13241         operands.
13242         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
13243         (delete_tree_ssa): Likewise.
13244
13245 2005-02-22  James E Wilson  <wilson@specifixinc.com>
13246
13247         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
13248         (do_compile): Do call it here.
13249
13250 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
13251
13252         PR rtl-optimization/20017.
13253         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
13254         rest_of_handle_cse2, rest_of_handle_gcse): Call
13255         delete_dead_jumptables immediately before calling cleanup_cfg.
13256
13257 2005-02-22  Devang Patel  <dpatel@apple.com>
13258
13259         PR 19952
13260         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
13261         all labels
13262
13263 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
13264
13265         * config/rs6000/aix.h (WINT_TYPE): Define.
13266
13267 2005-02-22  Stan Shebs  <shebs@apple.com>
13268
13269         * config/rs6000/rs6000.c (rs6000_override_options): Default to
13270         natural alignment for 64-bit Darwin.
13271         (rs6000_parse_alignment_option): Warn about uses of -malign-power
13272         on 64-bit Darwin.
13273         * doc/invoke.texi: Document this.
13274
13275 2005-02-22  DJ Delorie  <dj@redhat.com>
13276
13277         * c-common.c (c_common_type_for_mode): Pass the mode's precision
13278         to make_[un]signed_type, not the mode itself.
13279
13280 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
13281
13282         * cfg.c (cached_make_edge): Call make_edge if edge cache is
13283         not available.  Use tail calls wherever possible.
13284         (make_edge): Call unchecked_make_edge to create an edge.
13285
13286         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
13287         (coalesce_ssa_name): Don't check for
13288         SSANORM_USE_COALESCE_LIST.
13289         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
13290
13291 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
13292
13293         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
13294         (rewrite_into_ssa): ... here.
13295
13296 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
13297
13298         PR tree-optimization/19786
13299         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
13300         tag to another's may-alias bitmap when adding to the other's list.
13301
13302 2005-02-21  DJ Delorie  <dj@redhat.com>
13303
13304         * tree-ssa-loop-ivopts.c (computation_cost): Start register
13305         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
13306         registers in unsupported ways.
13307         * expmed.c (init_expmed): Likewise.
13308
13309 2005-02-21  Stan Cox  <scox@redhat.com>
13310
13311         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
13312
13313 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
13314
13315         * tree-cfg.c (fold_cond_expr_cond): New.
13316         (make_edges): Call fold_cond_expr_cond.
13317         (find_taken_edge): Accept nothing but INTEGER_CST.
13318         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
13319         and 1.
13320         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
13321
13322         * flow.c (delete_dead_jumptables): Speed up by scanning insns
13323         that do not belong to any basic block.
13324
13325 2005-02-21  Jeff Law  <law@redhat.com>
13326
13327         * cfganal.c (find_unreachable_blocks): Manually CSE load of
13328         e->dest.
13329
13330 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
13331
13332         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
13333         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
13334         Adjust their definitions.
13335         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
13336         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
13337
13338         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
13339         genautomata.c, langhooks.c, langhooks.h, system.h,
13340         config/arm/lib1funcs.asm: Update copyright.
13341
13342 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
13343
13344         * dbxout.c (dbxout_function_end): Emit Lscope label always.
13345
13346 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
13347
13348         PR bootstrap/13770
13349         * doc/install.texi: Document --with-gc.
13350
13351 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
13352
13353         * simplify-rtx.c (simplify_unary_operation): Add a missing
13354         "break" statement.
13355
13356 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
13357
13358         PR tree-optimization/18663
13359         * tree-ssa-dom.c (extract_range_from_cond): Return 0
13360         if the type has variable bounds.
13361
13362 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
13363
13364         * gcse.c: Remove an obsolete comment.
13365
13366         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
13367
13368 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
13369
13370         * doc/extend.texi (Function Attributes) <Attribute const>: The
13371         attribute "pure" is below this text, not above.
13372
13373 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13374
13375         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
13376         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
13377         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
13378
13379 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
13380
13381         PR 18785
13382         * langhooks.h (struct lang_hooks): Add to_target_charset.
13383         * langhooks.c (lhd_to_target_charset): New function.
13384         * langhooks-def.h: Declare lhd_to_target_charset.
13385         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
13386         (LANG_HOOKS_INITIALIZER): Update.
13387         * c-common.c (c_common_to_target_charset): New function.
13388         * c-common.h: Declare it.
13389         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
13390         c_common_to_target_charset.
13391
13392         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
13393         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
13394         Delete definitions.
13395         * system.h: Poison them.
13396         * doc/tm.texi: Don't discuss them.
13397         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
13398         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
13399         (pp_c_char): Do not attempt to generate letter escapes for
13400         newline, tab, etc.
13401         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
13402         * config/mips/mips.c (mips_output_ascii): Likewise.
13403
13404 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
13405
13406         PR tree-optimization/19951
13407         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
13408         is abnormal.
13409
13410 2005-02-19  Steven Bosscher  <stevenb@suse.de>
13411
13412         PR middle-end/19698
13413         * function.h (struct function): New field `max_loop_depth'.
13414         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
13415         (flow_loops_find): Reset the max loop depth count before finding loops.
13416         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
13417         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
13418         (calculate_global_regs_live): Make sure the loop will terminate
13419         when the initial sets are not empty.
13420
13421 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
13422
13423         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
13424         object inside.
13425         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
13426
13427 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
13428
13429         PR other/19525
13430         * doc/invoke.texi: Remove documentation of %M spec.
13431         * gcc.c: Likewise.
13432         (init_spec): Remove %M suffix from -lgcc_s.
13433         (do_spec_1): Remove 'M' case.
13434         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
13435         to put shared libraries in the multilib directory.  Remove the
13436         shlib_so_soname substitution variable.  Don't add a multilib encoding
13437         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
13438         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
13439         SHLIB_INSTALL as well as SHLIB_LINK.
13440         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
13441         (SHLIB_NAME): Delete.
13442         (SHLIB_DIR): New macro.
13443         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
13444         (SHLIB_INSTALL): Adjust accordingly.
13445         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
13446         * config/t-slibgcc-sld: Likewise.
13447         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
13448         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
13449         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
13450         in $(SHLIB_DIR).
13451         (SHLIBUNWIND_INSTALL): Adjust accordingly.
13452         * config/i386/t-nwld (SHLIB_SONAME): Delete.
13453         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
13454         Use @shlib_base_name@ instead of @shlib_so_name@.
13455         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
13456         and @shlib_base_name@.so in @multilib_dir@.
13457         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
13458         to the install path.
13459         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
13460         (SHLIB_LINK): Remove previous workaround.
13461         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
13462         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
13463         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
13464         the install path.
13465         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
13466         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
13467         (SHLIB_INSTALL): Adjust accordingly.
13468         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
13469         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
13470         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
13471         config/t-slibgcc-elf-ver.
13472
13473 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
13474             Jakub Jelinek  <jakub@redhat.com>
13475
13476         PR tree-optimization/19828
13477         * tree-ssa-loop-im.c: Add a TODO comment.
13478         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
13479         without side-effects.
13480
13481 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
13482
13483         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
13484         call fold_convert.
13485
13486 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
13487
13488         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
13489         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
13490         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
13491         functions.
13492         (ia64_reorg): Delete fixup_errata call.
13493         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
13494         (TARGET_SWITCHES): Delete -mb-step entry.
13495
13496 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
13497
13498         PR c/20043
13499         * c-typeck.c (composite_type): Handle quals in transparent unions.
13500         (type_lists_compatible_p): Likewise.
13501
13502 2005-02-18  Stan Shebs  <shebs@apple.com>
13503
13504         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
13505         expressions in the .literal8 section.
13506
13507 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
13508
13509         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
13510
13511 2005-02-18  Roger Sayle  <roger@eyesopen.com>
13512
13513         * fold-const.c (constant_boolean_node): Always create values of the
13514         specified type, don't bother calling truthvalue_conversion.
13515
13516 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
13517
13518         * except.c (output_function_exception_table): Call
13519         assemble_external_libcall (eh_personality_libfunc).
13520
13521 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
13522
13523         PR target/19886
13524         * config/ia64/ia64.h (struct machine_function): Add state_num.
13525         * config/ia64/ia64.c (process_epilogue,
13526         process_for_unwind_directive): Use new unwind state numbers each
13527         time rather than state 1.
13528
13529 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
13530
13531         PR target/20054
13532         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
13533         before the "*llgt_didi" pattern.
13534
13535 2005-02-18  Jason Merrill  <jason@redhat.com>
13536
13537         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
13538
13539 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
13540
13541         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
13542         (div0): Use it in place of ARM_FUNC_ALIAS.
13543         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
13544
13545 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
13546
13547         PR middle-end/20030
13548         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
13549         access, the lower bound of the array type if it exists.
13550
13551 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
13552
13553         PR c++/20008
13554         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
13555         cases that are out-of-range for the index type.
13556
13557 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
13558
13559         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
13560         (estimate_case_costs): Don't call convert.
13561         * expmed.c (expand_shift): Likewise.
13562         (make_tree): Call fold_convert instead of convert.
13563
13564 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
13565
13566         PR c++/19813
13567         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
13568         that ref to be marked MEM_READONLY_P doesn't have base that needs
13569         constructing.
13570
13571 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
13572
13573         * genautomata.c (output_get_cpu_unit_code_func,
13574         output_cpu_unit_reservation_p): Don't generate old-style function
13575         definitions.
13576
13577 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
13578
13579         PR c++/20023
13580         PR tree-optimization/20009
13581         * convert.c (convert_to_integer): Revert 2005-02-16 change.
13582
13583         PR tree-optimization/18947
13584         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
13585         inline, remove all nodes that are inlined into the extern inline
13586         being redefined.
13587
13588 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
13589
13590         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
13591         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
13592         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
13593         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
13594         Update copyright.
13595
13596 2005-02-17  Roger Sayle  <roger@eyesopen.com>
13597
13598         PR tree-optimization/19917
13599         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
13600         to be potentially trapping.
13601
13602 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
13603
13604         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
13605
13606 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
13607
13608         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
13609         tem becomes a local variable which is set to the value of the
13610         back end defined INITIAL_FRAME_ADDRESS macro.
13611         (expand_builtin_frame_address): Omit the base parameter to
13612         expand_builtin_return_addr.
13613         (expand_builtin_profile_func): Likewise.
13614         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
13615         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
13616         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
13617
13618 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
13619
13620         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
13621         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
13622         * config/frv/frv.c (frv_function_epilogue): Likewise.
13623
13624 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
13625
13626         * lambda-code (perfect_nestify): Remove mark/unmark
13627         for rewriting hack.
13628         * tree-loop-linear.c (linear_transform_loops): Add
13629         rewrite_into_ssa call so that ssa is correct for
13630         rewriting into loop closed.
13631
13632 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
13633
13634         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
13635         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
13636         BITMAP_FREE.
13637         * bt-load.c (btr_def_live_range, combine_btr_defs,
13638         migrate_btr_def, migrate_btr_defs): Likewise.
13639         * cfgcleanup.c (thread_jump): Likewise.
13640         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
13641         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
13642         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
13643         df_rd_local_compute, df_reg_info_compute): Likewise.
13644         * dominance.c (init_dom_info, free_dom_info): Likewise.
13645         * flow.c (init_propagate_block_info,
13646         free_propagate_block_info): Likewise.
13647         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
13648         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
13649         modify_reg_pav): Likewise.
13650         * loop-invariant.c (find_defs, find_invariant_insn,
13651         find_invariants, free_inv_motion_data): Likewise.
13652         * predict.c (tree_predict_by_opcode,
13653         estimate_bb_frequencies): Likewise.
13654         * stmt.c (expand_case): Likewise.
13655         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
13656         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
13657         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
13658         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
13659         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
13660         rewrite_ssa_into_ssa): Likewise.
13661         * tree-optimize.c (tree_rest_of_compilation): Likewise.
13662         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
13663         analyze_edges_for_bb, perform_edge_inserts): Likewise.
13664         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
13665         * tree-sra.c (tree_sra): Likewise.
13666         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
13667         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
13668         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
13669         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
13670         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
13671         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
13672         Likewise.
13673         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
13674         calculate_live_on_entry, calculate_live_on_exit,
13675         build_tree_conflict_graph): Likewise.
13676         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
13677         record_important_candidates, set_use_iv_cost, find_depends,
13678         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
13679         tree_ssa_iv_optimize_finalize): Likewise.
13680         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
13681         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
13682         tree_duplicate_loop_to_header_edge): Likewise.
13683         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
13684         * tree-ssa.c (verify_flow_insensitive_alias_info,
13685         verify_name_tags, verify_ssa, init_tree_ssa,
13686         delete_tree_ssa): Likewise.
13687         * tree-ssanames.c (marked_ssa_names, init_ssanames,
13688         fini_ssanames): Likewise.
13689         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
13690
13691 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
13692
13693         * config/rs6000/t-rtems: Completely reworked.
13694
13695 2005-02-17  Ira Rosen  <irar@il.ibm.com>
13696
13697         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
13698
13699 2005-02-17  Ira Rosen  <irar@il.ibm.com>
13700
13701         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
13702         POINTER_TYPE_P when checking that type is a pointer.
13703         (vect_get_memtag): Remove.
13704         (vect_address_analysis): Use POINTER_TYPE_P. Call
13705         vect_object_analysis with dummy parameter for memtag.
13706         (vect_object_analysis): Extract memtag (functionality that
13707         used to be in vect_get_memtag and moved here). Fix printings.
13708         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
13709         with correct parameters. Remove call to vect_get_memtag.
13710
13711 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
13712
13713         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
13714         (tree-vectorizer.o): Added missing dependencies.
13715
13716         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
13717         decleration.
13718         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
13719         declaration in tree-vectorizer.c, now has an extern declaration in
13720         tree-vectorizer.h).
13721         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
13722         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
13723         get_vectype_for_scalar_type, vect_is_simple_use,
13724         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
13725         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
13726         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
13727         vectorizable_store, vectorizable_operation, vectorizable_assignment,
13728         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
13729         find_loop_location): Likewise.
13730
13731         * tree-vectorizer.c (langhooks.h): #include removed.
13732         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
13733         moved to tree-vectorized.h.
13734         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
13735         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
13736         get_vectype_for_scalar_type, vect_is_simple_use,
13737         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
13738         vect_supportable_dr_alignment, new_loop_vec_info,
13739         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
13740         vect_set_verbosity_level, find_loop_location): Likewise.
13741
13742         (vect_analyze_loop): Function externalized. Declaration moved to
13743         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
13744         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
13745         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
13746         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
13747         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
13748         vect_enhance_data_refs_alignment, vect_analyze_operations,
13749         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
13750         vect_stmt_relevant_p, vect_get_loop_niters,
13751         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
13752         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
13753         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
13754         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
13755         vect_get_memtag): Likewise.
13756
13757         (vectorizable_load): Function externalized. Declaration moved to
13758         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
13759         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
13760         vect_transform_loop): Likewise.
13761         (vect_transform_stmt): Moved to tree-vect-transform.c.
13762         (vect_align_data_ref, vect_create_destination_var,
13763         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
13764         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
13765         vect_get_vec_def_for_operand, vect_init_vector,
13766         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
13767         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
13768         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
13769         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
13770         vect_do_peeling_for_loop_bound): Likewise.
13771
13772         * tree-vect-analyze.c: New file.
13773         * tree-vect-transform.c: New file.
13774
13775 2005-02-17  Jason Merrill  <jason@redhat.com>
13776
13777         PR mudflap/19319, c++/19317
13778         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
13779         slot explicit.
13780
13781 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
13782
13783         * doc/install.texi (Specific): Update link for Darwin-specific
13784         tool binary site.
13785
13786 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
13787
13788         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
13789         constant_boolean_node.
13790
13791 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
13792
13793         PR target/19019
13794         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
13795         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
13796
13797 2005-02-16  Richard Henderson  <rth@redhat.com>
13798
13799         PR 19920
13800         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
13801         with W_TYPE_SIZE.
13802         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
13803         replace uses with Wtype_MAXp1_F.
13804         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
13805         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
13806         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
13807         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
13808         and HAVE_TFMODE as appropriate.
13809         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
13810         (__floatdisf): Likewise.
13811         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
13812         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
13813         (Wtype_MAXp1_F): New.
13814         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
13815         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
13816
13817 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
13818
13819         * PR target/19162
13820         * arm.c (arm_apply_result_size): New function.
13821         * arm.h (APPLY_RESULT_SIZE): Define.
13822         * arm-protos.h (arm_apply_result_size): Add prototype.
13823         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
13824         (movxf): New expand.
13825         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
13826         (call_value_symbol): Remove predicate for operand 0.
13827         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
13828         (untyped_call): Rework to correclty return values for any type.
13829         (untyped_return): New expand.
13830         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
13831
13832 2005-02-16  Stan Shebs  <shebs@apple.com>
13833
13834         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
13835         * config/rs6000/t-darwin8: New, for 64-bit multilib.
13836
13837 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
13838
13839         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
13840         configure settings on Solaris 7 and later.
13841
13842 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
13843
13844         PR tree-optimization/19865
13845         * tree-optimize.c (init_tree_optimization_passes): Run
13846         pass_may_alias after pass_sra.
13847
13848 2005-02-16  Richard Henderson  <rth@redhat.com>
13849             Stuart Hastings  <stuart@apple.com>
13850
13851         PR debug/19521
13852         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
13853         Do nothing if debug info suppressed for this function.
13854         (dbxout_begin_function): Early exit if debug info suppressed for
13855         this function.
13856
13857 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
13858
13859         PR target/20007
13860         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
13861         find_basic_blocks.
13862         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
13863
13864         PR tree-optimization/19967
13865         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
13866         expand_builtin_strchr, expand_builtin_strrchr): Take a new
13867         argument TYPE.  Adjust calls to fold_builtin_XXX.
13868         (expand_builtin, fold_builtin_1): Adjust calls to
13869         expand_builtin_XXX.
13870         (fold_builtin_strchr, fold_builtin_strpbrk,
13871         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
13872         result to a requested type TYPE.
13873
13874 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
13875
13876         PR middle-end/19857
13877         * fold-const.c (fold): Don't optimize (T)(x & cst) to
13878         (T)x & (T)cst if (T)cst overflows.
13879         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
13880         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
13881
13882 2005-02-15  Jeff Law  <law@redhat.com>
13883
13884         * gcse.c (blocks_with_calls): New bitmap.
13885         (alloc_gcse_mem): Allocate it.
13886         (free_gcse_mem): Free it.
13887         (clear_modifY_mem_tables): Clear it.
13888         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
13889         when we encounter CALL_INSNs.
13890         (compute_transp, case MEM): Handle blocks with calls separate
13891         from blocks without calls.  Use bitmap iterators rather than
13892         FOR_EACH_BB.
13893
13894 2005-02-15  Peter O'Gorman  <peter@pogma.com>
13895
13896         PR bootstrap/18810
13897         * mklibgcc.in (vis_hide): Use a temporary object file, not
13898         -o /dev/null.
13899
13900 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
13901
13902         PR target/19924
13903         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
13904         access optimization.
13905
13906 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
13907             Alan Modra  <amodra@bigpond.net.au>
13908
13909         PR target/19019
13910         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
13911         (_xlqsub): Rename to __gcc_qsub.
13912         (_xlqmul): Rename to __gcc_qmul.
13913         (_xlqdiv): Rename to __gcc_qdiv.
13914         Provide versioned symbol aliases with old names.
13915         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
13916         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
13917         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
13918         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
13919         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
13920
13921 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
13922
13923         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
13924         Fold ~(A - 1) and ~(A + -1) to -A.
13925
13926 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
13927
13928         PR pch/14940
13929         PR target/19300
13930         * config/host-linux.c (linux_gt_pch_use_address): Copy from
13931         config/pa/pa-host.c:pa_gt_pch_use_address.
13932
13933 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
13934
13935         * tree-vn.c (get_value_handle): Make sure that given an
13936         is_gimple_min_invariant expression, we always return it.
13937
13938 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
13939
13940         * passes.c (rest_of_handle_gcse): Fix a comment.
13941
13942 2005-02-15  Jeff Law  <law@redhat.com>
13943
13944         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
13945         bitmap.
13946         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
13947         (canon_list_insert, record_last_mem_set_info): Similarly.
13948         (clear_modify_mem_tables): Similarly.
13949
13950 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
13951
13952         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
13953         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
13954         config/mips/mips.md, config/rs6000/aix.h,
13955         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
13956
13957 2005-02-15  Richard Henderson  <rth@redhat.com>
13958
13959         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
13960         call to be best_edge.
13961
13962 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
13963
13964         * basic-block.h: Adjust the prototype for find_basic_blocks.
13965         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
13966         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
13967         find_basic_blocks.
13968
13969         * flow.c (recompute_reg_usage): Remove all arguments.
13970         * passes.c (rest_of_compilation): Adjust the call to
13971         recompute_reg_usage.
13972         * rtl.h: Adjust the prototype for recompute_reg_usage.
13973
13974 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
13975
13976         * tree-dump.c (dump_files): Update to reflect new member
13977         of dump_file_info.
13978         (dump_register): Add new argument.
13979         Set glob name.
13980         (dump_switch_p_1): Check against glob name if doglob was passed.
13981         (dump_switch_p): Check against regular first, then glob if
13982         we didn't have any hits on the dump name.
13983         * tree-optimize.c (register_one_dump_file):
13984         Pass in glob name as well.
13985         * tree-pass.h (struct dump_file_info): Add glob
13986         member.
13987
13988 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
13989
13990         PR preprocessor/16323
13991         * doc/invoke.texi: Document that -Wendif-labels is on by default.
13992
13993 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
13994
13995         PR target/19019
13996         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
13997         (trunctfdf2_internal1): New.
13998         (trunctfdf2_internal2): Renamed from trunctfdf2.
13999
14000 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
14001
14002         PR tree-optimization/19853
14003         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
14004
14005 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
14006
14007         * passes.c (rest_of_handle_loop_optimize): Remove calls to
14008         delete_dead_jumptables and cleanup_cfg.
14009
14010 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
14011
14012         * reload.c (find_reloads): Swap address_reloaded flags when
14013         swapping commutative operands.
14014
14015 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
14016
14017         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
14018         Use standard_iv_increment_position for computing the bsi position
14019         for create_iv.
14020         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
14021         the bsi position.
14022
14023 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
14024
14025         PR target/17428
14026         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
14027         life range of hard registers.
14028         * value-prof.c (insn_prefetch_values_to_profile): Only
14029         scan normal insns.
14030
14031         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
14032         profile in libcalls.
14033
14034 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
14035
14036         * bitmap.h (bitmap_and_compl_into): Return bool.
14037         * bitmap.c (bitmap_and_compl_into): Return changed flag.
14038
14039 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
14040
14041         PR tree-optimization/19944
14042         * fold-const.c (fold): Re-add ABS_EXPR folding.
14043
14044 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
14045
14046         PR target/19019
14047         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
14048         {TARGET,MASK}_XL_COMPAT.
14049         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
14050         MASK_XL_COMPAT.
14051         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
14052         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
14053         TARGET_XL_COMPAT.
14054         (rs6000_arg_partial_bytes): Same.
14055         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
14056         and XL compatibility enabled.
14057         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
14058         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
14059         test to final condition.
14060         (cmptf_internal2): New.
14061         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
14062         xl-compat.  Add TFmode information to description.
14063
14064 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
14065
14066         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
14067
14068 2005-02-13  Jason Merrill  <jason@redhat.com>
14069
14070         PR c++/16405
14071         * fold-const.c (fold_indirect_ref_1): Split out from...
14072         (build_fold_indirect_ref): Here.
14073         (fold_indirect_ref): New fn.
14074         * tree.h: Declare it.
14075         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
14076         (gimplify_modify_expr_rhs): Likewise.
14077         (gimplify_expr): Likewise.
14078
14079 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
14080
14081         PR tree-optimization/14303
14082         PR tree-optimization/15784
14083         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
14084         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
14085         ABS_EXPR<x> != 0 to x != 0.
14086
14087 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
14088
14089         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
14090         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
14091         spelling conventions.
14092
14093         * passes.c (rest_of_handle_gcse): Don't run cse_main and
14094         delete_trivially_dead_insns too many times.
14095
14096         * passes.c (rest_of_handle_gcse): Remove dead assignments to
14097         tem and tem2.
14098
14099 2005-02-12  Ira Rosen  <irar@il.ibm.com>
14100
14101         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
14102         (vect_is_simple_iv_evolution): Remove redundant parameter
14103         and step check.
14104         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
14105         without last parameter.
14106         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
14107         Return pointer step. Call vect_is_simple_iv_evolution without
14108         last parameter. Check only that the step is multiple of size
14109         type. Remove stmt_vinfo updates.
14110         (vect_get_memtag_and_dr): Remove.
14111         (vect_get_memtag): New function.
14112         (vect_address_analysis): New function.
14113         (vect_object_analysis): New function.
14114         (vect_analyze_data_refs): Call vect_object_analysis and
14115         vect_get_memtag. Update stmt_vinfo fields.
14116
14117 2005-02-12  Ira Rosen  <irar@il.ibm.com>
14118
14119         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
14120         exist and are objects. Remove checks for pointer.
14121         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
14122         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
14123         (vect_create_data_ref_ptr): Likewise.
14124         (vect_base_addr_differ_p): New function.
14125         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
14126         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
14127         Don't set the DR_BASE_NAME field of data-ref.
14128         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
14129
14130 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
14131
14132         * optabs.h (enum optab_index): Add new OTI_ldexp.
14133         (ldexp_optab): Define corresponding macro.
14134         * optabs.c (init_optabs): Initialize ldexp_optab.
14135         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
14136         patterns.
14137         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
14138         using ldexp_optab.
14139         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
14140         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
14141
14142         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
14143         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
14144         intrinsics.
14145
14146 2005-02-12  Ira Rosen  <irar@il.ibm.com>
14147
14148         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
14149         to base_address.
14150         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
14151         stmt_vec_info.
14152         (vect_get_base_and_offset): Always return an address.
14153         (vect_create_addr_base_for_vector_ref): Remove treatment for
14154         different data reference types.
14155         (vect_compute_data_ref_alignment): Rename base to base_address in
14156         stmt_vec_info. Get the object in order to force its alignment.
14157         (vect_get_memtag_and_dr): Rename base to base_address in
14158         stmt_vec_info. Extract the object for memtag analysis.
14159
14160 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
14161
14162         PR regression/19898.
14163         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
14164         changes cc_status, use apply modified_in_p to part of cc_status
14165         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
14166         body.
14167
14168 2005-02-11  Richard Henderson  <rth@redhat.com>
14169
14170         * tree-complex.c (expand_complex_libcall): New.
14171         (expand_complex_multiplication): Use it for c99 compliance.
14172         (expand_complex_division): Likewise.
14173         * fold-const.c (fold_complex_add, fold_complex_mult): New.
14174         (fold): Call them.
14175         * builtins.c (built_in_names): Remove const.
14176         * tree.c (build_common_builtin_nodes): Build complex arithmetic
14177         builtins.
14178         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
14179         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
14180         (built_in_names): Remove const.
14181         * c-common.c (c_common_type_for_mode): Handle complex modes.
14182         * flags.h, toplev.c (flag_complex_method): Rename from
14183         flag_complex_divide_method.
14184         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
14185         __mulsc3, __muldc3, __mulxc3, __multc3): New.
14186         * libgcc2.h: Declare them.
14187         * libgcc-std.ver: Export them.
14188         * mklibgcc.in (lib2funcs): Build them.
14189
14190 2005-02-11  Steven Bosscher  <stevenb@suse.de>
14191
14192         PR tree-optimization/19876
14193         Partially revert my change from 2005-01-14
14194         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
14195         (compute_antic): ...and remove the loop here.
14196
14197 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
14198
14199         PR middle-end/19858
14200         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
14201         is number of inner's bits, avoid creating a BIT_FIELD_REF.
14202
14203         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
14204         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
14205
14206 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
14207
14208         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
14209         offsets for the big-endian 32-bit case.
14210
14211 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
14212
14213         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
14214
14215 2005-02-11  Dale Johannesen  <dalej@apple.com>
14216
14217         * cselib.c (cselib_process_insn):  Clear out regs where
14218         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
14219         * reload.c (find_equiv_reg): Ditto.
14220
14221 2005-02-11  Ian Lance Taylor  <ian@airs.com>
14222
14223         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
14224         with no elements.
14225
14226         * tree.c (build_function_type_list): Work correctly if there are
14227         no arguments.
14228
14229 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
14230
14231         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
14232         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
14233         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
14234         TARGET_ZARCH instead of TARGET_64BIT.
14235
14236 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
14237
14238         * config/rs6000/t-rtems:
14239         (MULTILIB_OPTIONS): Remove mcpu=602.
14240         (MUTLILIB_DIRNAMES): Remove m602.
14241         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
14242         Let mcpu=602 match mcpu=603.
14243         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
14244
14245 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14246
14247         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
14248         signal trampolines.
14249
14250 2005-02-10  David Daney  <ddaney@avtrex.com>
14251
14252         * config/alpha/linux-unwind.h: Add exception clause to copyright.
14253         * config/i386/linux-unwind.h: Likewise.
14254         * config/ia64/linux-unwind.h: Likewise.
14255         * config/mips/linux-unwind.h: Likewise.
14256         * config/pa/linux-unwind.h: Likewise.
14257         * config/rs6000/linux-unwind.h: Likewise.
14258         * config/s390/linux-unwind.h: Likewise.
14259         * config/sh/linux-unwind.h: Likewise.
14260         * config/sparc/linux-unwind.h: Likewise.
14261
14262 2005-02-10  Steven Bosscher  <stevenb@suse.de>
14263
14264         PR tree-optimization/17549
14265         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
14266         TER to replace a DEF with its expression if the DEF and the
14267         rhs of the expression we replace into have the same root
14268         variable.
14269
14270 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
14271
14272         * config/mips/mips.md: Fix the placement of the match_scratch in the
14273         lea64 peephole2.
14274
14275 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
14276
14277         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
14278         Fix comment typos.
14279
14280 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
14281
14282         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
14283         (strip_offset): Handle addresses.
14284         (add_address_candidates): Use strip_offset.
14285         (difference_cost): Reflect strip_offset change.
14286         (force_var_cost, difference_cost): Strip nops.
14287
14288 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
14289
14290         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
14291
14292         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
14293         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
14294         config/cris/cris-protos.h, config/cris/cris.c: Update
14295         copyright.
14296
14297 2005-02-10  Jeff Law  <law@redhat.com>
14298
14299         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
14300         (lookup_avail_expr): Similarly.
14301
14302 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
14303
14304         * builtins.c (fold_builtin_powi): New function.
14305         (fold_builtin_1): Call it.
14306
14307 2005-02-10  Steven Bosscher  <stevenb@suse.de>
14308
14309         PR documentation/19309
14310         * doc/cpp.texi: The __GNUC__ and related predefined macros
14311         are also defined for the "standalone" cpp.
14312         Some non-GCC compilers may also define __GNUC__.
14313
14314 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
14315
14316         PR c/19342
14317         * c-typeck.c (common_type): New routine.  Old common_type renamed
14318         to...
14319         (c_common_type): ...this.
14320         (build_conditional_expr, build_binary_op): Use c_common_type instead
14321         of common_type.
14322
14323 2005-02-10  Steven Bosscher  <stevenb@suse.de>
14324
14325         * doc/md.texi: Replace @samp{length} with @code{length}.
14326
14327 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
14328
14329         PR tree-optimization/18687
14330         * tree-flow.h (find_loop_niter): Declare.
14331         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
14332         Try using scev even for loops with more than one exit.
14333         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
14334         (struct ivopts_data): Added niters field.
14335         (struct nfe_cache_elt): New.
14336         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
14337         functions.
14338         (tree_ssa_iv_optimize_init): Initialize niters cache.
14339         (determine_number_of_iterations): Removed.
14340         (find_induction_variables): Do not call determine_number_of_iterations.
14341         Access niters for single exit through niter_for_single_dom_exit.
14342         (add_iv_outer_candidates): Access niters for single exit through
14343         niter_for_single_dom_exit.
14344         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
14345         number_of_iterations_cond.
14346         (iv_period): New function.
14347         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
14348         (may_replace_final_value): Take data argument.  Use
14349         niter_for_single_dom_exit.
14350         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
14351         (rewrite_use_compare): Pass data to may_eliminate_iv.
14352         (rewrite_use_outer): Pass data to may_replace_final_value.
14353         (free_loop_data): Clean up the niters cache.
14354         (tree_ssa_iv_optimize_finalize): Free the niters cache.
14355         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
14356         * tree-ssa-loop-niter.c (find_loop_niter): New function.
14357         (find_loop_niter_by_eval): Use tree_int_cst_lt.
14358         (num_ending_zeros): Moved to tree.c.
14359         * tree.h (num_ending_zeros): Declare.
14360         * tree.c (num_ending_zeros): Moved from tree.c.
14361
14362 2005-02-09  Richard Henderson  <rth@redhat.com>
14363
14364         * builtins.c (DEF_BUILTIN): Add COND argument.
14365         * tree.h (DEF_BUILTIN): Likewise.
14366         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
14367         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
14368         match.
14369         (DEF_BUILTIN_STUB): New.
14370         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
14371         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
14372         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
14373         * c-common.c (DEF_BUILTIN): Add COND argument.
14374         * tree.c (local_define_builtin): New.
14375         (build_common_builtin_nodes): New.
14376
14377 2005-02-09  Roger Sayle  <roger@eyesopen.com>
14378
14379         * fold-const.c (fold_strip_sign_ops): New function to simplify a
14380         floating point expression ignoring the sign of the result.
14381         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
14382         (fold) <MULT_EXPR>: Use it to simplify x*x.
14383         * tree.h (fold_strip_sign_ops): Prototype here.
14384         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
14385         argument.  Use fold_strip_sign_ops to simplify the first argument.
14386         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
14387         first argument when the second argument is an even integer
14388         constant, but only with -funsafe_math_optimizations.
14389         (fold_builtin_1): Update call to fold_builtin_copysign.
14390
14391 2005-02-09  Ian Lance Taylor  <ian@airs.com>
14392
14393         PR middle-end/19583
14394         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
14395         just check whether EH_FILTER_FAILURE falls through.
14396
14397 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
14398
14399         * gcc/haifa-sched.c (schedule_block): Make queued sched group
14400         insns return to ready list in the next turn.
14401
14402 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
14403
14404         PR middle-end/19402
14405         * builtins.def: New __builtin_powi[lf].
14406         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
14407         (expand_builtin_powi): New function.
14408         (expand_builtin): Dispatch to expand_builtin_powi.
14409         * libgcc2.h: Add prototypes for __builtin_powi[lf].
14410         * libgcc2.c: Add __builtin_powi[lf] implementation.
14411         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
14412         * optabs.h: Add powi_optab.
14413         * optabs.c (init_optabs): Initialize powi_optab.
14414         * doc/extend.texi: Document __builtin_powi[lf].
14415
14416 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
14417
14418         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
14419         exists.
14420
14421 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
14422
14423         PR middle-end/19854
14424         * fold-const.c (try_move_mult_to_index): Remove redundant
14425         type argument.  Create ADDR_EXPR with correct type.
14426         (fold): Update callers of try_move_mult_to_index.  Convert
14427         result to the appropriate type.
14428
14429 2005-02-09  Roger Sayle  <roger@eyesopen.com>
14430
14431         PR target/19597
14432         * config/avr/avr.c (default_rtx_costs): Delete.
14433         (avr_operand_rtx_cost): New function.
14434         (avr_rtx_costs): Completely rewrite.
14435
14436 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
14437
14438         PR target/19806
14439         * config/cris/cris.c (in_code): New variable.
14440         (cris_output_addr_const): Now a static function, a wrapper for
14441         output_addr_const.
14442         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
14443         case from old cris_output_addr_const.
14444         (cris_asm_output_label_ref): Similar for LABEL_REF.
14445         (cris_output_addr_const_extra): Similar for UNSPEC.
14446         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
14447         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
14448         * config/cris/cris-protos.h (cris_output_addr_const): Remove
14449         declaration.
14450         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
14451         (cris_asm_output_label_ref): Declare.
14452
14453 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
14454
14455         PR preprocessor/19801
14456         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
14457         filenames that changed when libcpp was moved to the toplevel.
14458
14459 2005-02-07  Roger Sayle  <roger@eyesopen.com>
14460
14461         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
14462         zero extensions of BImode operands.  Call lowpart_subreg instead
14463         of gen_lowpart_common and gen_lowpart_SUBREG.
14464
14465 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
14466
14467         PR ada/19489
14468         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
14469         * configure.ac: Set cc_for_cross_gnattools.
14470         * configure: Regenerate.
14471
14472 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
14473
14474         PR target/19803
14475         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
14476
14477 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
14478
14479         PR debug/19327
14480         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
14481         of nested functions.
14482
14483 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
14484
14485         * doc/extend.texi: Document deprecated extensions allowing
14486         static floating-point members to have initializers and allowing
14487         floating-point literals in integral constant expressions.
14488
14489 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
14490
14491         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
14492         config/darwin7.h, config/mips/mips.c,
14493         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
14494         Update copyright.
14495
14496         * cse.c: Update comments.
14497
14498 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
14499
14500         PR middle-end/19775
14501         * builtins.c (fold_builtin_sqrt): Transform
14502         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
14503         pow(x,y*0.5).
14504
14505 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
14506             Dorit Naishlos  <dorit@il.ibm.com>
14507
14508         * doc/invoke.texi (ftree-vectorizer-verbose): New.
14509         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
14510         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
14511         was added.
14512         * tree.h (vect_set_verbosity_level): New extern function declaration
14513         added.
14514         * tree-vectorizer.h (verbosity_levels): New enum type.
14515         * tree-vectorizer.c (vect_debug_stats): Function removed.
14516         (vect_debug_details): Likewise.
14517         (vect_verbosity_level): Global variable was defined and initialized.
14518         (vect_dump): Global variable definition.
14519         (vect_print_dump_info): New function.
14520         (vect_set_dump_settings): New function.
14521         (vect_set_verbosity_level): New function.
14522         (vectorize_loops): Add call to vect_set_dump_settings.
14523
14524         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
14525         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
14526         (slpeel_tree_peel_loop_to_edge): Likewise.
14527
14528         (vect_analyze_offset_expr): Call to vect_print_dump_info with
14529         appropriate verbosity level instead of call to vect_debug_details
14530         or vect_debug_stats.
14531         (vect_get_base_and_offset):
14532         (vect_create_addr_base_for_vector_ref):
14533         (get_vectype_for_scalar_type):
14534         (vect_create_data_ref_ptr):
14535         (vect_init_vector):
14536         (vect_get_vec_def_for_operand):
14537         (vect_finish_stmt_generation):
14538         (vectorizable_assignment):
14539         (vectorizable_operation):
14540         (vectorizable_store):
14541         (vectorizable_load):
14542         (vect_transform_stmt):
14543         (vect_update_ivs_after_vectorizer):
14544         (vect_do_peeling_for_loop_bound):
14545         (vect_update_inits_of_drs):
14546         (vect_do_peeling_for_alignment):
14547         (vect_transform_loop):
14548         (vect_is_simple_use):
14549         (vect_analyze_operations):
14550         (vect_is_simple_iv_evolution):
14551         (vect_analyze_scalar_cycles):
14552         (vect_analyze_data_ref_dependence):
14553         (vect_analyze_data_ref_dependences):
14554         (vect_compute_data_ref_alignment):
14555         (vect_enhance_data_refs_alignment):
14556         (vect_analyze_data_refs_alignment):
14557         (vect_analyze_data_ref_access):
14558         (vect_analyze_data_ref_accesses):
14559         (vect_analyze_pointer_ref_access):
14560         (vect_get_memtag_and_dr):
14561         (vect_analyze_data_refs):
14562         (vect_mark_relevant):
14563         (vect_stmt_relevant_p):
14564         (vect_mark_stmts_to_be_vectorized):
14565         (vect_can_advance_ivs_p):
14566         (vect_get_loop_niters):
14567         (vect_analyze_loop_form):
14568         (vect_analyze_loop):
14569         (vectorize_loops): Likewise.
14570
14571         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
14572         (vect_update_inits_of_drs):
14573         (vect_do_peeling_for_alignment):
14574         (vect_transform_loop):
14575         (vect_analyze_operations):
14576         (vect_analyze_scalar_cycles):
14577         (vect_analyze_data_ref_dependences):
14578         (vect_analyze_data_refs_alignment):
14579         (vect_analyze_data_ref_accesses):
14580         (vect_analyze_data_refs):
14581         (vect_mark_stmts_to_be_vectorized):
14582         (vect_get_loop_niters):
14583         (vect_analyze_loop_form):
14584         (vect_analyze_loop): Likewise.
14585         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
14586
14587 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
14588
14589         PR bootstrap/19796
14590         Revert:
14591         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
14592         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
14593         either -ffast-math or -funsafe-math-optimizations is in use.
14594
14595         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
14596         * config/mips/irix-csr.c: New file.
14597         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
14598         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
14599         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
14600         executables.
14601
14602 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
14603
14604         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
14605         redundant, incorrect definitions.
14606
14607         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
14608         expand.
14609         ("*tls_indirect_call"): New, reference hard regs directly.
14610         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
14611
14612 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
14613
14614         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
14615         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
14616
14617 2005-02-06  Roger Sayle  <roger@eyesopen.com>
14618
14619         PR rtl-optimization/19800
14620         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
14621         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
14622         gen_lowpart.
14623
14624 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
14625
14626         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
14627
14628 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
14629
14630         PR other/17135
14631         * doc/invoke.texi: Correct documentation of -freorder-functions.
14632
14633 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
14634
14635         PR other/14402
14636         * doc/invoke.texi: Don't mention gccbug.
14637
14638 2005-02-06  Roger Sayle  <roger@eyesopen.com>
14639             Andrew Pinski  <pinskia@physics.uc.edu>
14640             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
14641
14642         * simplify-rtx.c (simplify_relational_operation_1): Simplify
14643         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
14644         into just (zero_extract:SI FOO (const_int 1) BAR).
14645
14646 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
14647
14648         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
14649         macro locally.  Don't give last revision date.  Use GCC version
14650         number from gcc-common.texi.
14651         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
14652         revision date.  Use GCC version number from gcc-common.texi.
14653         Describe being a library as current state rather than as 3.x
14654         history.
14655         * doc/gcc.texi: Remove last update date.
14656         * doc/gccint.texi: Likewise.  Update copyright dates.
14657         * doc/install.texi: Update copyright dates.
14658
14659 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
14660
14661         PR other/7549
14662         * doc/invoke.texi: Mention for each option included in -Wall that
14663         it is included in -Wall.
14664         * doc/gcc.texi: Update copyright and last modification date.
14665
14666 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
14667
14668         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
14669         unnecessary cast to original induction variable increments.
14670
14671 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
14672
14673         PR tree-optimization/18219
14674         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
14675         in distributed form.
14676
14677 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
14678
14679         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
14680         Set bitpos and offset later in the function.  Do nothing if the
14681         target is a register and if the bitfield lies completely outside
14682         that register.
14683         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
14684         here.  Return an uninitialised register if the source value is stored
14685         in a register and the bitfield lies completely outside that register.
14686
14687 2005-02-06  Steven Bosscher  <stevenb@suse.de>
14688
14689         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
14690         not SET_DEST.
14691
14692 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
14693
14694         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
14695
14696 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
14697
14698         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
14699         * config/darwin8.h: New.
14700         * config/darwin7.h: Update comment.
14701
14702 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
14703             Dorit Naishlos  <dorit@il.ibm.com>
14704
14705         * tree-vectorizer.h (LOC): New type.
14706         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
14707         (loop_line_number): New field in struct _loop_vec_info.
14708         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
14709
14710         * tree-vectorizer.c (input.h): Included.
14711         (find_loop_location): New function.
14712         (vect_debug_stats): Argument changed from loop to LOC. Computation of
14713         loop line number removed.
14714         (vect_debug_details): Likewise.
14715         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
14716
14717         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
14718         call to vect_debug_details/stats changed from loop to loop_loc.
14719         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
14720         (slpeel_tree_peel_loop_to_edge): Likewise.
14721
14722         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
14723         changed from NULL to UNKNOWN_LOC.
14724         (vect_get_base_and_offset):
14725         (vect_create_addr_base_for_vector_ref):
14726         (get_vectype_for_scalar_type):
14727         (vect_create_data_ref_ptr):
14728         (vect_init_vector):
14729         (vect_get_vec_def_for_operand):
14730         (vect_finish_stmt_generation):
14731         (vectorizable_assignment):
14732         (vectorizable_operation):
14733         (vectorizable_store):
14734         (vectorizable_load):
14735         (vect_transform_stmt):
14736         (vect_update_ivs_after_vectorizer):
14737         (vect_do_peeling_for_loop_bound):
14738         (vect_do_peeling_for_alignment):
14739         (vect_transform_loop):
14740         (vect_is_simple_use):
14741         (vect_analyze_operations):
14742         (vect_is_simple_iv_evolution):
14743         (vect_analyze_scalar_cycles):
14744         (vect_analyze_data_ref_dependences):
14745         (vect_compute_data_ref_alignment):
14746         (vect_enhance_data_refs_alignment):
14747         (vect_analyze_data_ref_access):
14748         (vect_analyze_data_ref_accesses):
14749         (vect_analyze_pointer_ref_access):
14750         (vect_get_memtag_and_dr):
14751         (vect_analyze_data_refs):
14752         (vect_mark_relevant):
14753         (vect_stmt_relevant_p):
14754         (vect_mark_stmts_to_be_vectorized):
14755         (vect_can_advance_ivs_p):
14756         (vect_get_loop_niters):
14757         (vect_analyze_loop):
14758         (vectorize_loops): Likewise.
14759
14760         (vectorizable_load): Argument in call to vect_debug_details/stats
14761         changed from loop to LOOP_LOC (loop_vinfo).
14762         (vect_transform_loop):
14763         (vect_analyze_operations):
14764         (vect_analyze_scalar_cycles):
14765         (vect_analyze_data_ref_dependence):
14766         (vect_enhance_data_refs_alignment):
14767         (vect_analyze_data_ref_accesses):
14768         (vect_analyze_pointer_ref_access):
14769         (vect_analyze_data_refs):
14770         (vect_analyze_loop): Likewise.
14771
14772         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
14773         changed from loop to loop_loc.
14774
14775         (vect_enhance_data_refs_alignment): Removed unused variable loop.
14776
14777 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
14778             Dorit Naishlos  <dorit@il.ibm.com>
14779
14780         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
14781         declaration added.
14782         (vect_analyze_data_ref_dependences): Likewise.
14783
14784         (vect_is_simple_use): Argument changed from loop structure to
14785         loop_vect_info structure.
14786         (vect_can_advance_ivs_p): Likewise.
14787         (vect_create_index_for_vector_ref): Likewise.
14788         (vect_update_ivs_after_vectorizer): Likewise.
14789         (new_stmt_vec_info): Likewise.
14790
14791         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
14792         changed from loop to loop_vinfo.
14793         (vect_create_data_ref_ptr): First argument in call to
14794         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
14795         (vectorizable_assignment): Second argument in call to vect_is_simple_use
14796         was changed from loop to loop_vinfo.
14797         (vectorizable_operation): Likewise.
14798         (vectorizable_store): Likewise.
14799         (vect_mark_stmts_to_be_vectorized): Likewise.
14800         (vect_do_peeling_for_loop_bound): First argument in call to
14801         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
14802         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
14803         was changed from loop to loop_vinfo.
14804         (vect_analyze_data_ref_dependences): Third argument in call to
14805         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
14806
14807         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
14808         (vect_create_data_ref_ptr): Likewise.
14809         (vect_init_vector): Likewise.
14810         (vect_get_vec_def_for_operand): Likewise.
14811         (vectorizable_assignment): Likewise.
14812         (vectorizable_operation): Likewise.
14813         (vectorizable_store): Likewise.
14814         (vectorizable_load): Likewise.
14815         (vect_update_ivs_after_vectorizer): Likewise.
14816         (vect_is_simple_use): Likewise.
14817         (vect_analyze_data_ref_dependence): Likewise.
14818         (vect_analyze_pointer_ref_access): Likewise.
14819         (vect_can_advance_ivs_p): Likewise.
14820
14821         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
14822         before _stmt_vec_info.
14823         (_stmt_vec_info): Loop field replaced by loop_vec_info.
14824         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
14825         (new_stmt_vec_info): Argument changed from loop structure to
14826         loop_vect_info structure
14827
14828         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
14829         (vect_analyze_offset_expr): Avoid 80 columns overflow.
14830         (vect_create_addr_base_for_vector_ref): Likewise.
14831         (vect_analyze_pointer_ref_access): Likewise.
14832
14833 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
14834
14835         PR tree-opt/19768
14836         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
14837         phi flag if the phi is abnormal.
14838
14839 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
14840
14841         PR tree-opt/19736
14842         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
14843         information for the new statement.
14844
14845 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
14846
14847         PR driver/19117
14848         * gcc.c (main): Include the target in -v output.
14849
14850 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
14851
14852         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
14853         Do not drop the extend if we'd have to add a paradoxical subreg
14854         later.  Include optabs.h and insn-codes.h.
14855         * Makefile.in (combine.o): Depend on $(OPTABS_H).
14856
14857 2005-02-02  Roger Sayle  <roger@eyesopen.com>
14858
14859         PR middle-end/19405
14860         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
14861         * fold-const.c (const_binop): Avoid constant folding floating
14862         point operations in modes that use composite representations.
14863         * simplify-rtx.c (simplify_binary_operation): Likewise.
14864
14865 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
14866
14867         * config/rs6000/altivec.md (altivec_dst): Make the first operand
14868         a REG, not a MEM.
14869         (altivec_dstt): Likewise.
14870         (altivec_dstst): Likewise.
14871         (altivec_dststt): Likewise.
14872         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
14873         of first operand.
14874
14875 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
14876
14877         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
14878         EXPR_LOCUS from orig_cond to the new cond_stmt.
14879         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
14880         the new vec_stmt.
14881
14882 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
14883
14884         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
14885         standard_iv_increment_position. Remove call to bsi_next
14886         (no need to bump the iterator anymore).
14887         (vect_create_index_for_vector_ref): Call
14888         standard_iv_increment_position. Remove second function argument.
14889         (vect_finish_stmt_generation): Remove call to bsi_next
14890         (no need to bump the iterator anymore).
14891         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
14892         to vect_create_index_for_vector_ref.
14893
14894 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
14895
14896         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
14897         phis are used out of the loop.
14898
14899 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
14900
14901         PR c/17807
14902         * c-decl.c (undef_nested_function): New variable.
14903         (pop_scope): Diagnose undefined nested functions.
14904         (finish_function): Don't attempt cgraph processing or genericizing
14905         if current top-level function contained an undefined nested
14906         function.  Reset undef_nested_function at the end of a top-level
14907         function.
14908
14909 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
14910
14911         * tree.c (build_int_cst_type): Take sign of the value into account
14912         when deciding whether sign extend the value.
14913
14914 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
14915
14916         PR c/18502
14917         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
14918         (cpp_options, cc1_options): Change %{std*&ansi} to
14919         %{std*&ansi&trigraphs}.
14920
14921 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
14922
14923         * cse.c: Update comments.
14924
14925 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
14926
14927         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
14928         arguments go on the stack.  Do not put complex doubles in odd/even
14929         pairs.
14930
14931 2005-02-02  Steven Bosscher  <stevenb@suse.de>
14932
14933         * doc/invoke.texi: Update the options enabled at -O1, -O2,
14934         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
14935         -ftree-pre, and -fthread-jumps.
14936
14937 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
14938
14939         PR tree-optimization/19578
14940         * tree-flow.h (modified_noreturn_calls): Declare.
14941         (noreturn_call_p): Declare.
14942         * tree-flow-inline.h (noreturn_call_p): New function.
14943         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
14944         * tree-cfg.c (modified_noreturn_calls): New variable.
14945         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
14946         that contain a mid-block noreturn call.
14947         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
14948
14949 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
14950
14951         * df.c (df_def_record_1, df_uses_record): Don't use
14952         DF_FOR_REGALLOC.
14953         * df.h (DF_FOR_REGALLOC): Remove.
14954
14955 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
14956
14957         PR c/19435
14958         * c-typeck.c (really_start_incremental_init): Reset
14959         constructor_max_index for arrays of incomplete type.
14960
14961 2005-02-02  Jeff Law  <law@redhat.com>
14962
14963         * gcse.c (struct reg_set): Store the block index where the register
14964         was set rather than the setting insn.
14965         (record_one_set, compute_transp): Corresponding changes.
14966         (pre_insert_copy_insn): Do not call replace_one_set.
14967         (replace_one_set): Remove.
14968
14969 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
14970
14971         PR other/15514
14972         * doc/gcov.texi: Fix typo.
14973
14974 2005-02-01  Richard Henderson  <rth@redhat.com
14975
14976         PR target/19680
14977         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
14978         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
14979         type to bool.
14980         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
14981         * config/i386/i386-protos.h: Update.
14982
14983 2005-02-01  Steven Bosscher  <stevenb@suse.de>
14984
14985         PR tree-optimization/19217
14986         * tree-cfg.c (verify_expr): Use the data field to see if TP was
14987         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
14988         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
14989         that it is walking a PHI node.
14990
14991 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
14992
14993         * doc/extend.texi (Nested Functions): Update.
14994
14995 2005-02-01  Richard Henderson  <rth@redhat.com>
14996
14997         PR 19696
14998         * optabs.c (expand_copysign_absneg): Export.
14999         * optabs.h (expand_copysign_absneg): Declare.
15000         * config/rs6000/rs6000.md (copysigntf3): New.
15001
15002 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
15003
15004         PR tree-optimization/19633
15005         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
15006         * tree-ssa-alias.c (init_alias_info): Initialize.
15007         (merge_pointed_to_info): Set.
15008         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
15009         (dump_points_to_info_for): Show value of pt_null.
15010         (struct count_ptr_d): Declare.
15011         (find_ptr_dereference): Remove.
15012         (ptr_is_dereferenced_by): Remove.
15013         (count_ptr_derefs): New local function.
15014         (count_uses_and_derefs): New local function.
15015         (compute_points_to_and_addr_escape): Call it.  If the number
15016         of dereferences is greater than zero, mark the pointer as
15017         dereferenced.  If there are fewer dereferences than uses of
15018         the pointer, the pointer's value escapes.
15019
15020 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
15021
15022         PR tree-optimization/19670
15023         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
15024         here...
15025         (verify_use): ... set it here, instead.
15026
15027 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
15028
15029         * doc/sourcebuild.texi (Test directives): Fix formatting.
15030
15031         * doc/sourcebuild.texi (Test directives): Describe selector
15032         expressions.
15033
15034 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
15035
15036         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
15037         specific 64-bit CPUs.
15038
15039 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
15040
15041         PR target/16201
15042         * arm.c (arm_eliminable_register): New function.
15043         (adjacent_mem_locations): Don't allow eliminable registers.  Use
15044         HOST_WIDE_INT for address offsets.
15045         * arm-protos.h (arm_eliminable_register): Add prototype.
15046
15047 2005-02-01  Steven Bosscher  <stevenb@suse.de>
15048
15049         PR optimization/15242
15050         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
15051         * basic-block.h (duplicate_computed_gotos): Add prototype.
15052         * bb-reorder.c (duplicate_computed_gotos): New function to
15053         duplicate sufficiently small blocks ending in a computed jump.
15054         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
15055         if not optimizing for size.
15056         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
15057         never do tail merging for blocks ending in a computed jump.
15058         * doc/invoke.texi: Document the max-goto-duplication-insns param.
15059
15060 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
15061
15062         Patch from Richard Sandiford <rsandifo@redhat.com>
15063         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
15064         from inheriting a subreg equivalence with a non-spill register.
15065
15066         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
15067
15068 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
15069
15070         * config/frv/frv.c (movcc_fp_destination_operand): New.
15071         (gpr_or_memory_operand): Fix typo in comment.
15072         (gpr_or_memory_operand_with_scratch): New.
15073         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
15074         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
15075         movcc_fp_destination_operand.
15076         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
15077         Legitimize memory addresses using a scratch register.
15078
15079 2005-01-31  Jeff Law  <law@redhat.com>
15080
15081         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
15082         bitmap a sparse bitmap instead of a simple bitmap.
15083         (mark_def_sites_initialize_block):  Corresponding changes.
15084         (ssa_mark_def_sites_initialize_block): Likewise.
15085         (ssa_mark_phi_uses): Likewise.
15086         (mark_def_site, ssa_mark_def_sites): Likewise.
15087         (mark_def_site_blocks): Likewise.
15088         (rewrite_ssa_into_ssa): Likewise.
15089
15090         * tree-ssa-dom.c (record_cond): Pass correct variable type
15091         for last argument to htab_find_slot_with_hash.
15092
15093         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
15094         effects when optimizing 0 % X.  Do not try to optimize X % 0.
15095
15096 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
15097
15098         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
15099         1_mmalua.
15100
15101 2005-02-01  Eric Christopher  <echristo@redhat.com>
15102
15103         * config/mips/mips.c (override_options): Warn if -mint64
15104         is used.
15105         * doc/invoke.texi (MIPS Options): Document that -mint64 is
15106         deprecated.
15107
15108 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
15109
15110         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
15111         timestamp.
15112         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
15113         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
15114         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
15115         (cached_regno): Initialize to INVALID_REGNUM.
15116         (cse_reg_info_table_size,
15117         cse_reg_info_table_first_uninitialized,
15118         cse_reg_info_timestamp): New.
15119         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
15120         get_cse_reg_info.
15121         (init_cse_reg_info, get_cse_reg_info_1): New.
15122         (get_cse_reg_info): Cache the last look-up.
15123         (new_basic_block): Update the code to clear mappings from
15124         registers to cse_reg_info entries.
15125         (cse_main): Call init_cse_reg_info.
15126
15127         * cse.c (get_cse_reg_info): Update a comment.
15128
15129 2005-01-31  Steven Bosscher  <stevenb@suse.de>
15130
15131         PR c/19333
15132         * c-decl.c (start_decl): Do not warn about arrays of elements with
15133         an incomplete type here.
15134         (grokdeclarator): Do it here by making a pedwarn an error.
15135         * c-typeck.c (push_init_level): If there were previous errors with
15136         the constructor type, do not warn about braces for initializers.
15137         (process_init_element): Likewise for excess initializer elements.
15138
15139 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
15140
15141         * cse.c (delete_trivially_dead_insn): Don't iterate.
15142
15143 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
15144
15145         * config/rs6000/rs6000.md (copysignsf3): New expand.
15146         (copysigndf3): Likewise.
15147
15148 2005-01-31  Steven Bosscher  <stevenb@suse.de>
15149
15150         * recog.c (constrain_operands): Only look for earlyclobber operand
15151         conflicts if an '&' constraint was seen.
15152
15153 2005-01-31  Marc Espie <espie@openbsd.org>
15154
15155         * config.gcc: Don't include embedded systems fragment, switches default
15156         debugging format to ELF.
15157         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
15158         longer pick it up there.
15159
15160 2005-01-31  Dale Johannesen  <dalej@apple.com>
15161
15162         * doc/extend.texi (nested functions): Fix linkage description.
15163         Clarify that static is not allowed.
15164
15165 2005-01-31  Dale Johannesen  <dalej@apple.com>
15166
15167         * config/rs6000/darwin.md (movsf_low_di):  Make work.
15168         (movdf_low_di):  Make work.
15169
15170 2005-01-31  Dale Johannesen  <dalej@apple.com>
15171
15172         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
15173         Make work for 64 bit.
15174
15175 2005-01-31  Roger Sayle  <roger@eyesopen.com>
15176             Dale Johannesen  <dalej@apple.com>
15177
15178         PR middle-end/19650
15179         * fold-const.c (fold_binary_op_with_conditional_arg):
15180         Make types match original operands, before STRIP_NOPS.
15181
15182 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
15183
15184         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
15185         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
15186         (struct gcc_sigcontext): Delete.  Merge contents to..
15187         (struct gcc_ucontext): ..here.
15188         (get_sigcontext): Delete.
15189         (get_regs): New function, like get_sigcontext but return regs ptr.
15190         64-bit version finds regs from r1 to support vdso.
15191         (ppc_linux_aux_vector): New function.
15192         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
15193         and vector regs.
15194
15195 2005-01-31  Ira Rosen  <irar@il.ibm.com>
15196
15197         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
15198         sizetype.
15199         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
15200         redundant fold. Fix misalignment for MINUS_EXPR.
15201         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
15202         (vect_analyze_pointer_ref_access): Likewise.
15203         (vect_get_memtag_and_dr): Likewise.
15204
15205 2005-01-31  Richard Henderson  <rth@redhat.com>
15206
15207         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
15208         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
15209         absnegdf2_i387, absnegxf2_i387): Likewise.
15210
15211 2005-01-31  Richard Henderson  <rth@redhat.com>
15212
15213         PR 19696
15214         * optabs.c (expand_copysign_absneg): New.
15215         (expand_copysign_bit): Split out from ...
15216         (expand_copysign): ... here.  Use expand_copysign_absneg.
15217
15218 2005-01-30  Roger Sayle  <roger@eyesopen.com>
15219
15220         PR middle-end/19697
15221         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
15222         constant as the second operand and a register as the third.
15223
15224 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
15225
15226         PR target/19704
15227         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
15228         that dllimport'd functions do not use all call-clobbered registers
15229         to pass parameters.
15230
15231 2005-01-30  Richard Henderson  <rth@redhat.com>
15232
15233         PR 19696
15234         * optabs.c (expand_absneg_bit): Split out from expand_unop and
15235         expand_abs_nojump and generalize.  Use operand_subword and
15236         emit_no_conflict_block.  Support large modes.
15237         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
15238         back to maximum.
15239         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
15240         negation to subtraction.
15241         (expand_copysign): Check that the format has signed zeros.
15242         Use operand_subword and emit_no_conflict_block.  Support large modes.
15243
15244 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
15245
15246         Fix PR tree-optimization/19624
15247
15248         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
15249         * tree-ssa-pre.c: Add cfgloop.h.
15250         Update comment.
15251         (pre_stats): New member, constified.
15252         (inserted_exprs): New static variable.
15253         (NECESSARY): New macro.
15254         (create_expression_by_pieces): Fold the expression, and
15255         mark it as defaulting to not necessary. Also put in
15256         inserted_exprs.
15257         (fully_constant_expression): New function.
15258         (insert_into_preds_of_block): Modify to not insert phis when we
15259         are playing with induction variables.
15260         Push phis onto the inserted_exprs vector, and mark them as not
15261         necessary by default.
15262         (insert_aux): Call fully_constant_expression on eprime.
15263         If all edges produce the same value, mark it constant.
15264         (mark_operand_necessary): New function.
15265         (remove_dead_inserted_code): New function.
15266         (init_pre): Init loop optimizer to get loop info.
15267         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
15268         (execute_pre): Commit edge inserts, then remove dead code.
15269
15270 2005-01-30  Richard Henderson  <rth@redhat.com>
15271
15272         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
15273         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
15274
15275 2005-01-30  Richard Henderson  <rth@redhat.com>
15276
15277         PR target/19700
15278         * config/i386/i386.c (ix86_expand_copysign): New.
15279         (ix86_split_copysign_const): New.
15280         (ix86_split_copysign_var): Rename from ix86_split_copysign,
15281         rearrange op1/nmask operands.
15282         * config/i386/i386-protos.h: Update.
15283         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
15284         (copysigndf3): Likewise.
15285         (copysignsf3_const, copysigndf3_const): New.
15286         (copysignsf3_var): Rename from copysignsf3, split out splitter
15287         and fix split predicate for X constraint.
15288         (copysigndf3_var): Similarly.
15289
15290 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
15291
15292         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
15293         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
15294         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
15295
15296 2005-01-29  Richard Henderson  <rth@redhat.com>
15297
15298         PR target/19690
15299         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
15300         of # and * in constraints.
15301
15302 2005-01-29  Richard Henderson  <rth@redhat.com>
15303
15304         PR middle-end/19689
15305         * expr.c (store_field): Don't strip sub-mode cast when the input
15306         data is even smaller.
15307
15308 2005-01-29  Richard Henderson  <rth@redhat.com>
15309
15310         PR middle-end/19687
15311         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
15312         union being empty.
15313
15314 2005-01-29  Richard Henderson  <rth@redhat.com>
15315
15316         * combine.c (make_field_assignment): Fix argument order
15317         to gen_int_mode.
15318
15319 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
15320
15321         PR tree-optimization/15791
15322         * fold-const.c (extract_array_ref): New function.
15323         (fold): Fold comparisons between &a[i] and &a[j] or
15324         semantically equivalent trees.
15325
15326 2005-01-29  Jeff Law  <law@redhat.com>
15327
15328         * gcse.c (insert_expr_in_table): Revamp handling of available
15329         and anticipatable occurrence lists to avoid unnecessary list
15330         walking.
15331         (insert_set_in_table): Similarly.
15332
15333 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
15334
15335         * c-common.c (fix_string_type): Just use c_build_qualified_type to
15336         build string type.
15337         (c_build_qualified_type): Build qualified array types with
15338         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
15339         * c-decl.c (c_make_fname_decl): Build unqualified array type
15340         before qualified type.
15341         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
15342         type is qualified, not just if type itself is.  Don't apply
15343         qualifiers to array type when declarator is processed.  Apply
15344         qualifiers to field type whether or not it is an array type.
15345         Don't handle array types specially for applying qualifiers to
15346         variables.
15347         * c-typeck.c (composite_type): Build unqualified element type and
15348         array type when forming composite of array types.
15349         (common_pointer_type, comptypes, comp_target_types,
15350         type_lists_compatible_p, build_indirect_ref, build_array_ref,
15351         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
15352         types.
15353         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
15354         (args2) in variables a1 and a2.
15355
15356 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
15357
15358         * cse.c (n_elements_made, max_elements_made): Remove.
15359         (insert): Don't touch n_elements_made.
15360         (cse_main): Don't touch n_elements_made or max_elements_made.
15361
15362 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
15363
15364         PR target/15384
15365         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
15366         configuration part of dp-bit.c to be lost.
15367
15368 2005-01-28  Roger Sayle  <roger@eyesopen.com>
15369
15370         * expmed.c (expand_mult_highpart_optab): When attempting to use
15371         a non-widening multiplication in a wider mode, the operands need
15372         to be converted (zero or sign extended) to that mode.
15373
15374 2005-01-28  Ian Lance Taylor  <ian@airs.com>
15375
15376         PR middle-end/16558
15377         PR middle-end/19583
15378         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
15379         through if both operands fall through.
15380
15381 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
15382
15383         * cse.c (fold_rtx) <PC>: Don't optimize.
15384
15385 2005-01-28  Jeff Law  <law@redhat.com>
15386
15387         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
15388         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
15389
15390 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
15391
15392         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
15393         cse_reg_info_used_list_end): Remove.
15394         (cse_reg_info_list, cse_reg_info_list_free): New.
15395         (get_cse_reg_info): When allocating an instance of
15396         cse_reg_info, add it to the beginning of the cse_reg_info_list
15397         list.  Remove code to maintain cse_reg_info_used_list.
15398         (new_basic_block): Reset the free list to the beginning of
15399         cse_reg_info_list.
15400
15401 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
15402
15403         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
15404         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
15405         (frv_expand_mdpackh_builtin): New function.
15406         (frv_expand_builtin): Use it to expand __MDPACKH.
15407         * doc/extend.texi (__MDPACKH): Update documentation.
15408
15409 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
15410
15411         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
15412         SSE_FLOAT_MODE_P for use_sse computation.
15413
15414 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
15415
15416         PR target/19663
15417         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
15418
15419 2005-01-27  Richard Henderson  <rth@redhat.com>
15420
15421         * builtins.c (expand_builtin_copysign): New.
15422         (expand_builtin): Call it.
15423         * genopinit.c (optabs): Add copysign_optab.
15424         * optabs.c (init_optabs): Initialize it.
15425         (expand_copysign): New.
15426         * optabs.h (OTI_copysign, copysign_optab): New.
15427         (expand_copysign): Declare.
15428
15429         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
15430         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
15431
15432         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
15433         (ix86_expand_fp_absneg_operator): ... here.
15434         (ix86_split_copysign): New.
15435         * config/i386/i386-protos.h: Update.
15436         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
15437         (copysignsf3, copysigndf3): New.
15438
15439         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
15440         (copysignsf3, ncopysignsf3): New.
15441         (copysigndf3, ncopysigndf3): New.
15442         (copysignxf3, ncopysignxf3): New.
15443         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
15444
15445 2005-01-27  Arend Bayer  <arend.bayer@web.de>
15446             Kazu Hirata  <kazu@cs.umass.edu>
15447
15448         * cse.c: (find_best_addr): Don't call copy_rtx before calling
15449         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
15450         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
15451         NULL_RTX.
15452
15453 2005-01-27  Jeff Law  <law@redhat.com>
15454
15455         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
15456         definitions of SSA_NAMEs which are not being rewritten.
15457         (rewrite_ssa_into_ssa): Only initialize the current definition
15458         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
15459         If checking is enabled, assert that SSA_NAME_AUX is clear for all
15460         SSA_NAMEs before returning.
15461
15462 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
15463
15464         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
15465         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
15466         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
15467         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
15468         config/mips/iris6.h, config/sh/sh.c: Update copyright.
15469
15470 2005-01-27  Steven Bosscher  <stevenb@suse.de>
15471
15472         PR middle-end/17278
15473         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
15474         higher to -O2 and higher.  Likewise for tree PRE.
15475         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
15476         and better.
15477
15478 2005-01-27  Ian Lance Taylor  <ian@airs.com>
15479
15480         PR middle-end/19583
15481         * gimple-low.c (try_catch_may_fallthru): New static function.
15482         (block_may_fallthru): Handle TRY_CATCH_EXPR.
15483         * tree-inline.c (expand_call_inline): Don't warn about reaching
15484         the end of a non-void function being inlined if the function uses
15485         a return slot.
15486
15487 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
15488
15489         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
15490
15491         PR c/18946
15492         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
15493         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
15494         (implicitly_declare): Handle error_mark_node.
15495
15496 2005-01-27  Richard Henderson  <rth@redhat.com>
15497
15498         PR tree-opt/14329
15499         * tree.h (struct tree_decl): Add debug_expr_is_from.
15500         (DECL_DEBUG_EXPR_IS_FROM): New.
15501         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
15502         * dwarf2out.c (dwarf2out_var_location): Update to match.
15503         * tree-outof-ssa.c (create_temp): Likewise.
15504         * var-tracking.c (track_expr_p): Likewise.
15505         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
15506         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
15507         * toplev.c (default_tree_printer): Likewise.
15508
15509 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
15510
15511         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
15512         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
15513
15514 2005-01-27  Steven Bosscher  <stevenb@suse.de>
15515
15516         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
15517         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
15518         ASM_CLOBBERS): Add tree checks.
15519
15520         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
15521         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
15522         * c-common.def (SWITCH_STMT): Update to match.
15523         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
15524         macros instead of SWITCH_EXPR ones.
15525         * c-dump.c (c_dump_tree): Likewise.
15526         * c-gimplify.c (gimplify_switch_stmt): Likewise.
15527         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
15528
15529         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
15530
15531 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
15532
15533         * unwind-dw2.c (execute_stack_op): Add missing cases for
15534         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
15535
15536 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
15537
15538         * config.gcc (Obsolete configurations): Remove 'dummy', add
15539         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
15540         sparc-*-openbsd*.
15541
15542 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
15543
15544         PR tree-optimization/19633
15545         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
15546         CALL_EXPRs.
15547         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
15548         are no call-clobbered variables.
15549         * tree-outof-ssa.c (check_replaceable): Return false for calls
15550         with side-effects.
15551
15552 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
15553
15554         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
15555         even for variables with NULL DECL_INITIAL.
15556
15557 2005-01-26  Stuart Hastings  <stuart@apple.com>
15558
15559         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
15560
15561 2005-01-26  Richard Henderson  <rth@redhat.com>
15562
15563         PR middle-end/18008
15564         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
15565         field's type.
15566         * expr.c (store_field): Strip conversions to odd-bit-sized types
15567         if the destination field width matches.
15568
15569 2005-01-26  Richard Henderson  <rth@redhat.com>
15570
15571         * c-decl.c, expmed.c, expr.c: Revert last change.
15572
15573 2005-01-26  Richard Henderson  <rth@redhat.com>
15574
15575         PR middle-end/18008
15576         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
15577         field's type.
15578         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
15579         if we don't need the bits above those present in the current mode.
15580         * expr.c (store_field): Strip conversions to odd-bit-sized types
15581         if the destination field width matches.
15582
15583 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
15584
15585         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
15586         either -ffast-math or -funsafe-math-optimizations is in use.
15587
15588 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
15589
15590         PR target/19293
15591         PR target/19329
15592         * config/avr/avr.c (notice_update_cc): Only set condition code for
15593         ashrqi3 if shift count > 0.
15594         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
15595         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
15596         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
15597         count <= 0 as a no-op, and shift count >= width by copying zero
15598         or sign bit to all bits of the result.
15599         * config/avr/avr.md (all shifts): Add alternatives for zero shift
15600         count, with attribute "length" set to 0 and "cc" set to "none".
15601
15602 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
15603
15604         * doc/invoke.texi: Document -mTLS.
15605
15606         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
15607         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
15608         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
15609         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
15610         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
15611         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
15612         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
15613         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
15614
15615         * configure.ac: Check for a TLS capable gas.
15616
15617         * configure: Regenerate.
15618
15619 2005-01-26  Richard Henderson  <rth@redhat.com>
15620
15621         PR middle-end/18008
15622         * combine.c (make_field_assignment): Simplify store to zero_extract
15623         from a source with an overlapping mask.
15624
15625 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
15626
15627         2004-11-11  Eric Christopher  <echristo@redhat.com>
15628
15629         * config/frv/frv.md: Add fr400_integer automaton. Don't
15630         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
15631         to TYPE_MACC.
15632
15633 2005-01-26  Steven Bosscher  <stevenb@suse.de>
15634
15635         PR middle-end/16585
15636         * cfgbuild.c (make_edges): Do not clear or set
15637         current_function_has_computed_jump.
15638         * function.h (struct function): Remove the has_computed_jump field.
15639         (current_function_has_computed_jump): Do not define.
15640         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
15641         in a computed jump.  Ignore current_function_has_computed_jump.
15642
15643 2005-01-26  Richard Henderson  <rth@redhat.com>
15644
15645         PR middle-end/19515
15646         * expr.c (categorize_ctor_elements): New argument p_must_clear.
15647         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
15648         fully initialized.
15649         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
15650         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
15651         objects into static storage if they have more than one non-zero value.
15652         * tree.h (categorize_ctor_elements): Update decl.
15653
15654 2005-01-26  Steven Bosscher  <stevenb@suse.de>
15655
15656         PR middle-end/19616
15657         * tree.h (CALL_EXPR_TAILCALL): Add comment.
15658         * calls.c (check_sibcall_argument_overlap_1): Revert the change
15659         to this function from 2004-07-10.
15660         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
15661         the current function for tail call optimizations if the address
15662         of one of it its arguments is taken.
15663
15664 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
15665
15666         * cse.c (fold_rtx): Call equiv_constant only when necessary.
15667
15668 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
15669
15670         * function.c (expand_function_end): If current_function_calls_alloca,
15671         emit stack restore in a place that is reached when the function falls
15672         through at the end.
15673
15674 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
15675
15676         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
15677         rule to avoid matching inappropriate suffix rule.
15678
15679 2005-01-26  Jan Hubicka  <jh@suse.cz>
15680
15681         PR tree-optimization/19241
15682         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
15683
15684 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
15685
15686         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
15687         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
15688         of doubling.
15689         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
15690         <sim*>: Always use crt1.o, regardless of N in simN.
15691         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
15692         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
15693         (CRT_CALL_STATIC_FUNCTION): Remove.
15694         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
15695         use crt1.o, regardless of N in simN.
15696         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
15697         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
15698         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
15699         case isystem setting.
15700         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
15701
15702 2005-01-25  Ian Lance Taylor  <ian@airs.com>
15703
15704         * gimple-low.c (block_may_fallthru): Correct handling of
15705         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
15706
15707 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
15708
15709         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
15710         handlers to match indentation; nested under the mtune=* handler.
15711         Similar for mcpu= and march=.
15712
15713 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
15714
15715         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
15716         * config/mips/linux64.h (LIB_SPEC): Likewise.
15717         * config/mn10300/linux.h (LIB_SPEC): Likewise.
15718         * config/sh/linux.h (LIB_SPEC): Likewise.
15719
15720 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
15721
15722         * config/frv/frv.c (frv_legitimize_tls_address): New.
15723         (TARGET_HAVE_TLS): Define.
15724         (FRV_SYMBOL_REF_TLS_P): Define.
15725         (frv_override_options): Handle new register classes.
15726         (frv_legitimate_address_p): Reject tls addresses.
15727         (frv_legitimize_address): Handle TLS addresses.
15728         (gen_inlined_tls_plt): New.
15729         (gen_tlsmoff): New.
15730         (frv_legitimize_tls_address): New.
15731         (unspec_got_name): Add TLS entries.
15732         (got12_operand): Add R_FRV_TLSMOFF12 case.
15733         (frv_emit_move): Fixup TLS addresses.
15734         (frv_emit_movsi): Legitimize TLS addresses.
15735
15736         * config/frv/frv.h (MASK_BIG_TLS): New.
15737         (TARGET_BIG_TLS): New.
15738         (HAVE_AS_TLS): Define.
15739         (TARGET_SWITCHES): Add -mTLS and -mtls options.
15740         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
15741         (REG_CLASS_NAMES): Same.
15742         (REG_CLASS_CONTENTS): Same.
15743         (CONSTRAINT_LEN): New.
15744         (REG_CLASS_FROM_CONSTRAINT): New.
15745         (PREDICATE_CODES): Add symbolic_operand.
15746
15747         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
15748         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
15749         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
15750         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
15751         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
15752         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
15753         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
15754         GR9_REG, GR14_REG, LRREG.
15755         (type): Add load_or_call attribute.
15756         ("load_or_call"): New reservation.
15757         ("call_gettlsoff"): New.
15758         ("tls_indirect_call"): New.
15759         ("tls_load_gottlsoff12"): New.
15760         ("tlsoff_hilo"): New.
15761         ("tls_tlsdesc_ldd"): New.
15762         ("tls_tlsoff_ld"): New.
15763         ("tls_lddi"): New.
15764
15765         * config/frv/frv-protos.h (symbolic_operand): Protoize.
15766
15767         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
15768
15769         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
15770         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
15771         * config/frv/frv.c (TLS_BIAS): Define.
15772         (frv_output_dwarf_dtprel): New.
15773
15774 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
15775
15776         PR rtl-optimization/19579
15777         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
15778         both A and B, see if they don't clobber registers the other expr uses.
15779
15780 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
15781
15782         * real.c (do_add): Initialize signalling and canonical members.
15783
15784         * real.c (real_from_integer): Zero out destination.
15785
15786 2005-01-18  Jan Hubicka  <jh@suse.cz>
15787
15788         PR tree-optimize/19337
15789         * tree-inline.c (initialize_inlined_parameters): Copy
15790         saved_static_chain_decl only.
15791
15792 2005-01-25  Richard Henderson  <rth@redhat.com>
15793
15794         PR target/19556
15795         PR target/19584
15796         * config/i386/i386.c (x86_inter_unit_moves): Zero.
15797         (ix86_preferred_reload_class): Rewrite fp-constant section, with
15798         80387 enabled, to return a proper subclass.  Return the subset that
15799         overlaps with GENERAL_REGS for PLUS.
15800         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
15801
15802 2005-01-25  Richard Henderson  <rth@redhat.com>
15803
15804         PR middle-end/19609
15805         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
15806
15807 2005-01-25  Roger Sayle  <roger@eyesopen.com>
15808
15809         * expmed.c (choose_multiplier): Change interface to return the
15810         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
15811         (expand_divmod): Update calls to choose_multiplier.
15812
15813 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15814
15815         PR middle-end/19330
15816         * expmed.c (extract_bit_field): Use adjust_address instead of
15817         gen_lowpart when op0 is a MEM.
15818
15819 2005-01-24  Steven Bosscher  <stevenb@suse.de>
15820
15821         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
15822
15823 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
15824
15825         * config/mips/irix-csr.c: New file.
15826         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
15827         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
15828         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
15829         executables.
15830
15831 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
15832
15833         PR bootstrap/19364
15834         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
15835         sparc/elf.h, add sparc/sp-elf.h.
15836         (sparc-*-rtems*): Likewise.
15837         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
15838         tm-dwarf2.h, add sparc/sp-elf.h.
15839         (sparc86x-*-elf): Likewise.
15840         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
15841         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
15842         TARGET_OS_CPP_BUILTINS.
15843         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
15844         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
15845         Undefine it.
15846         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
15847         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
15848         (SWITCH_TAKES_ARG): Likewise.
15849         (LOCAL_LABEL_PREFIX): Likewise.
15850         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
15851         (TARGET_N_FORMAT_TYPES): Delete.
15852         (TARGET_FORMAT_TYPES): Likewise.
15853         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
15854         * config/sparc/elf.h: Delete.
15855         * config/sparc/sp-elf.h: New file.
15856
15857 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
15858
15859         * tree-flow-inline.h (phi_arg_from_edge): Remove.
15860         * tree-flow.h: Remove the corresponding prototype.
15861         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
15862         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
15863
15864 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
15865
15866         PR target/17751
15867         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
15868         for AIX ABI or ELF -fPIC.
15869         (rs6000_emit_load_toc_table): Don't create toc_section here.
15870         (rs6000_xcoff_file_start): Nor here.
15871
15872 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
15873
15874         * sh.c (ra.h): Don't #include.
15875         (hard_regs_intersect_p): New function, resurrected from ra.c.
15876
15877         * sh.c: Fix 1996 Copyright.
15878
15879 2005-01-24  Richard Henderson  <rth@redhat.com>
15880             Aldy Hernandez  <aldyh@redhat.com>
15881
15882         * regrename.c (note_sets): Handle subregs.
15883
15884 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
15885
15886         PR bootstrap/18058
15887         * genconditions.c (write_header, write_conditions): Elide file if
15888         not GCC >= 3.0.1.
15889
15890 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
15891
15892         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
15893         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
15894         Update copyright.
15895
15896 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
15897
15898         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
15899         expand_builtin_printf, expand_builtin_fprintf,
15900         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
15901         checking against POINTER_TYPE.
15902         (validate_arglist): Handle POINTER_TYPE code by checking
15903         POINTER_TYPE_P.
15904
15905 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
15906
15907         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
15908         init_rtlanal): New.
15909         (for_each_rtx): Call for_each_rtx_1.
15910         * rtl.h (init_rtlanal): Declare.
15911         * toplev.c (backend_init): Call init_rtlanal.
15912
15913 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
15914
15915         * flow.c (propagate_one_insn): Formatting.
15916
15917         PR middle-end/19551
15918         * flow.c (libcall_dead_p): Be more conservative if unsure.
15919         If there are any instructions between insn and call, see if they are
15920         all dead before saying the libcall is dead.
15921
15922 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
15923
15924         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
15925         operand constraint for operand 0.
15926
15927 2005-01-23  Richard Henderson  <rth@redhat.com>
15928
15929         PR 19486
15930         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
15931         edges leading to join block.
15932
15933 2005-01-23  Roger Sayle  <roger@eyesopen.com>
15934
15935         * expmed.c (expand_mult_highpart): Make static.  Change type of
15936         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
15937         (expand_divmod): Updates calls to expand_mult_highpart by using
15938         gen_int_mode to pass a CONST_INT rtx.
15939         * rtl.h (expand_mult_highpart): Remove prototype.
15940
15941 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
15942
15943         * flow.c (regset_bytes, regset_size): Remove.
15944
15945         * cfganal.c: Fix a reference to Harvey's paper.
15946
15947 2005-01-23  Steven Bosscher  <stevenb@suse.de>
15948
15949         PR rtl-optimization/19464
15950         * tree-optimize.c (init_tree_optimization_passes): Add one more
15951         copyrename pass just before out-of-ssa.
15952
15953 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
15954
15955         PR bootstrap/18058
15956         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
15957         * ggc-none.c (ggc_free): Define.
15958
15959 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
15960
15961         * cse.c (max_reg, max_insn_uid): Remove.
15962         (cse_main): Don't access max_reg or max_insn_uid.
15963
15964         * c-common.c (explicit_flag_signed_bitfields,
15965         lang_statement_code_p, lang_expand_function_end): Remove.
15966         * c-common.h: Remove the corresponding declarations.
15967         * c-opts.c (c_common_handle_option): Remove all write access
15968         to explicit_flag_signed_bitfields.
15969
15970         * cgraph.c (cgraph_varpool_n_nodes): Remove.
15971         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
15972         * cgraph.h: Remove the corresponding declaration.
15973
15974         * gcse.c (null_pointer_info): Remove.
15975
15976 2005-01-23  Roger Sayle  <roger@eyesopen.com>
15977             Eric Botcazou  <ebotcazou@libertysurf.fr>
15978
15979         * combine.c (simplify_logical): Only simplify logical expressions
15980         of the form ior(and(x,y),z) by the inverse distributive law if the
15981         result is cheaper than the original.
15982
15983 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
15984
15985         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
15986         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
15987         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
15988         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
15989         config/freebsd-spec.h, config/arm/arm.h,
15990         config/h8300/h8300.md, config/i386/i386.md,
15991         config/i386/predicates.md, config/i386/sse.md,
15992         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
15993         config/vax/vax.md: Fix comment typos.  Follow spelling
15994         conventions.
15995
15996 2005-01-23  Steven Bosscher  <stevenb@suse.de>
15997
15998         * gengtype.c (walk_type): Produce `not equal to' compares for loop
15999         tests, instead of `less than'.
16000
16001 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
16002
16003         * function.c (assign_parm_setup_block): When creating a new stack slot
16004         for a parameter, get its alignment from the parameter's DECL_ALIGN
16005         rather than the type's TYPE_ALIGN.  Make sure that the parameter
16006         is at least word aligned.
16007
16008 2005-01-22  Roger Sayle  <roger@eyesopen.com>
16009
16010         PR middle-end/19378
16011         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
16012
16013 2005-01-22  Richard Henderson  <rth@redhat.com>
16014
16015         PR target/19506
16016         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
16017         in both compare operands.
16018         (movdfcc_1_sse_max): Likewise.
16019         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
16020         (movdfcc_1_sse): Likewise.
16021         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
16022         scratch register as needed.
16023
16024 2005-01-22  Richard Henderson  <rth@redhat.com>
16025
16026         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
16027
16028         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
16029
16030 2005-01-22  Richard Henderson  <rth@redhat.com>
16031
16032         * genopinit.c (optabs): Use smin/smax for floating point too.
16033         * doc/md.texi: Update to match.  Clarify that floating point
16034         results are undefined for +0/-0 and NaN.
16035         * doc/rtl.texi: Likewise.
16036         * rtl.def (SMIN, SMAX): Likewise
16037         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
16038
16039         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
16040         leading 's' to the name.
16041         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
16042         smaxxf3, sminxf3): Likewise.
16043         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
16044         Likewise.
16045
16046 2005-01-22  Paul Brook  <paul@codesourcery.com>
16047
16048         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
16049
16050 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
16051
16052         * config/s390/s390.c (struct processor_costs): New fields
16053         dlgr, dlr, dr, dsgfr, dsgr.
16054         (z900_cost, z990_cost): Values for new fields.
16055         (s390_rtx_costs): New cases MEM und COMPARE in switch
16056         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
16057         DIV, MOD, UDIV, UMOD.
16058
16059 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
16060
16061         * config/s390/s390.md ("doloop_si64"): Reload input value directly
16062         into the register being decremented.
16063         ("doloop_si31", "doloop_di"): Likewise.
16064         ("*doloop_si_long"): Adapt pattern.
16065
16066 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
16067
16068         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
16069         access registers.
16070         (CLASS_MAX_NREGS): Likewise.
16071
16072 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
16073
16074         * doc/tree-ssa.texi (Statement Operands): Add example for new
16075         must-def macro. Note deprecation of old operands interface.
16076
16077 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
16078
16079         PR tree-optimization/19484
16080         * tree-cfg.c (remove_fallthru_edge): New function.
16081         (cleanup_control_flow): Remove fallthru edges from calls that are
16082         now known not to return.
16083
16084 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
16085
16086         Fix PR tree-optimization/19038
16087         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
16088         copies with loop variant ones.
16089
16090 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
16091
16092         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
16093         config/alpha/alpha-protos.h, config/alpha/alpha.h,
16094         config/alpha/alpha.md, config/alpha/predicates.md,
16095         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
16096         config/sparc/sol2.h: Update copyright.
16097
16098         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
16099         first label to see if it is a nonlocal label.
16100
16101 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
16102             Andrew Pinski  <pinskia@physics.uc.edu>
16103
16104         PR target/19491
16105         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
16106         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
16107
16108 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
16109
16110         * config/rs6000/rtems.h: Update copyright.
16111
16112 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
16113
16114         PR target/19548
16115         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
16116         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
16117         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
16118
16119 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
16120
16121         PR c/18809
16122         * c-typeck.c (convert_arguments): Check for error_mark_node.
16123
16124 2005-01-21  Ian Lance Taylor  <ian@airs.com>
16125
16126         PR tree-optimization/13000
16127         * tree-inline.c: Include "tree-flow.h".
16128         (expand_call_inline): If warn_return_type, warn if non-void inline
16129         function falls through.
16130         * tree-cfg.c (execute_warn_function_return): Don't warn about
16131         control reaching end if TREE_NO_WARNING is set.  Set
16132         TREE_NO_WARNING.
16133         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
16134         has been lowered.
16135         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
16136         branch if we don't need one.
16137         * c-typeck.c: Include "tree-flow.h"
16138         (c_finish_bc_stmt): Don't add a goto if the current statement
16139         list doesn't fall through to the current point.
16140
16141 2005-01-21  Roger Sayle  <roger@eyesopen.com>
16142
16143         PR rtl-optimization/576
16144         * real.c (real_arithmetic): Change return type from void to bool
16145         to return an indication that the result may be inexact.
16146         * real.h (real_arithmeric): Update prototype.
16147         * fold-const.c (const_binop):  Don't constant fold floating
16148         point expressions when the user specifies -frounding-math and
16149         the result may depend upon the run-time rounding mode.
16150         (fold_convert_const_real_from_real): Clean-up.
16151         (fold_initializer): Ignore flag_rounding_math for initializers.
16152         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
16153         constant fold FP operations with flag_rounding_math if the
16154         result may depend upon the run-time rounding mode.
16155
16156 2005-01-21  Tom Tromey  <tromey@redhat.com>
16157
16158         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
16159
16160 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
16161
16162         * tree-cfg.c: Fix comment typos.
16163
16164 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
16165
16166         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
16167         around the call to rest_of_handle_branch_target_load_optimize.
16168
16169 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
16170
16171         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
16172         (sparc64-*-openbsd*): Likewise.
16173         (sparclite-*-elf*): Include tm-dwarf2.h.
16174         (sparc86x-*-elf*): Likewise.
16175         (sparc64-*-elf*): Likewise.
16176         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
16177         (DBX_DEBUGGING_INFO): Likewise.
16178         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
16179         (PREFERRED_DEBUGGING_TYPE): Likewise.
16180         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
16181         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
16182         (PREFERRED_DEBUGGING_TYPE): Likewise.
16183         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
16184         (PREFERRED_DEBUGGING_TYPE): Likewise.
16185         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
16186
16187 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
16188
16189         PR target/18701
16190         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
16191
16192 2005-01-20  Paul Brook  <paul@codesourcery.com>
16193
16194         * doc/rtl.texi: Document value extension requirements for CONST_INT.
16195
16196 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
16197
16198         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
16199         label is first in a sequence of labels.
16200
16201         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
16202
16203 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
16204             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
16205
16206         * doc/sourcebuild.texi (Test Directives): New.
16207
16208 2005-01-20  Roger Sayle  <roger@eyesopen.com>
16209
16210         * real.c (real_floor): Don't leave the result uninitialized when
16211         mode is VOIDMode, but return the unrounded intermediate value.
16212         (real_ceil): Likewise.
16213
16214 2005-01-20  Paul Brook  <paul@codesourcery.com>
16215
16216         * config/arm/arm.md (insv): Use gen_int_mode.
16217
16218 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
16219
16220         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
16221         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
16222         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
16223         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
16224         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
16225
16226 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
16227
16228         Fix PR debug/19124
16229         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
16230         fbreg, so we have to assume we can't.
16231         (loc_descriptor_from_tree_1): Ditto.
16232         (containing_function_has_frame_base): New function.
16233         (add_location_or_const_value_attribute): Use it.
16234         Also try to generate a frame_base from a single element location
16235         list.
16236
16237 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
16238
16239         PR tree-optimization/15349
16240         * timevar.def (TV_TREE_MERGE_PHI): New.
16241         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
16242         PHI_WANTED.
16243         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
16244         calls to tree_forwarder_block_p.
16245         (remove_forwarder_block_with_phi, merge_phi_nodes,
16246         gate_merge_phi, pass_merge_phi): New.
16247         * tree-optimize.c (init_tree_optimization_passes): Add
16248         pass_merge_phi.
16249         * tree-pass.h: Add an extern for pass_merge_phi;
16250
16251 2005-01-20  Richard Henderson  <rth@redhat.com>
16252
16253         PR target/19418
16254         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
16255         (_mm_castps_pd, _mm_castps_si128): New.
16256         (_mm_castsi128_ps, _mm_castsi128_pd): New.
16257
16258 2005-01-20  Richard Henderson  <rth@redhat.com>
16259
16260         PR target/19530
16261         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
16262         __builtin_ia32_vec_init_v2si.
16263         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
16264         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
16265         (ix86_init_mmx_sse_builtins): Create it.
16266         (ix86_expand_builtin): Expand it.
16267         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
16268         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
16269         (vec_extractv2si_0, vec_extractv2si_1): New.
16270
16271 2005-01-20  Richard Henderson  <rth@redhat.com>
16272
16273         PR target/16533
16274         * config/i386/i386.c (ix86_expand_push): New.
16275         * config/i386/mmx.md (push<MMXMODE>1): New.
16276         * config/i386/sse.md (push<SSEMODE>1): New.
16277         * config/i386/i386-protos.h: Update.
16278
16279 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
16280
16281         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
16282         copyright.
16283
16284 2005-01-20  Richard Henderson  <rth@redhat.com>
16285
16286         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
16287         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
16288
16289 2005-01-19  Richard Henderson  <rth@redhat.com>
16290
16291         PR target/19350
16292         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
16293         to V4SFmode in SSE1 fallback load path.
16294
16295 2005-01-19  Richard Henderson  <rth@redhat.com>
16296
16297         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
16298         in QImode expansion to ix86_expand_vector_set.
16299         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
16300
16301 2005-01-19  Richard Henderson  <rth@redhat.com>
16302
16303         PR target/19511
16304         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
16305         subclass of the input class.
16306         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
16307         Always true for cross-SSE1 classes.  Rationalize conditionals.
16308         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
16309         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
16310         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
16311         (movdi_2): Add MMX/SSE zeros.
16312         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
16313         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
16314         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
16315         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
16316         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
16317         (zero_extendsidi2_rex64_1): Remove.
16318         (MOV0 peephole): Check GENERAL_REG_P.
16319
16320 2005-01-19  Richard Henderson  <rth@redhat.com>
16321
16322         PR target/19427
16323         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
16324         shufps elements.
16325         (ix86_expand_vector_extract): Likewise.
16326
16327 2005-01-19  Richard Henderson  <rth@redhat.com>
16328
16329         PR middle-end/19304
16330         * expr.c (emit_move_change_mode): New argument force; use
16331         simplify_gen_subreg if true.
16332         (emit_move_via_alt_mode): Merge into ...
16333         (emit_move_via_integer): ... here.
16334         (emit_move_ccmode): Use emit_move_change_mode directly.
16335
16336 2005-01-19  Richard Henderson  <rth@redhat.com>
16337
16338         PR target/19518
16339         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
16340         (alpha_preferred_reload_class): Handle CONST_VECTOR.
16341         (alpha_emit_set_const_1): Add no_output parameter; don't emit
16342         rtl if true.
16343         (alpha_emit_set_const): Likewise.  Make static.
16344         (alpha_emit_set_long_const): Make static.
16345         (alpha_extract_integer): Split out from alpha_expand_mov.
16346         (alpha_split_const_mov): Likewise.
16347         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
16348         (alpha_legitimate_constant_p): New.
16349         * config/alpha/alpha-protos.h: Update.
16350         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
16351         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
16352         * config/alpha/alpha.md (movsi): Add n alternative.
16353         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
16354         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
16355         (splitters for all of the above): Use alpha_split_const_mov.
16356         * config/alpha/predicates.md (non_add_const_operand): New.
16357         (non_zero_const_operand): New.
16358         (input_operand): Use alpha_legitimate_constant_p after reload.
16359
16360 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
16361
16362         PR tree-optimization/19038
16363         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
16364         (add_candidate): Add ivs with increment in latch only if
16365         allow_ip_end_pos_p is true.
16366         (determine_iv_cost): Use empty_block_p.
16367
16368 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
16369
16370         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
16371         (compute_dominance_frontiers): Ditto.
16372
16373 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
16374
16375         PR target/19529
16376         * config/sh/t-rtems: New.
16377         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
16378
16379 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
16380
16381         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
16382         the offset of the selected field.
16383
16384 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
16385
16386         * tree-cfg.c (remove_forwarder_block): Fix the check to
16387         prevent a nonlocal label from appearing in the middle of a
16388         basic block.
16389
16390 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
16391
16392         PR rtl-optimization/19462
16393         * reorg.c (find_end_label): Create return insn only if
16394         current_function_epilogue_delay_list is empty.
16395
16396 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
16397
16398         * doc/passes.texi: Remove paragraph mentioning new-ra.
16399
16400 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
16401
16402         PR rtl-optimization/15139
16403         * combine.c: Include params.h.
16404         (count_rtxs): New function.
16405         (record_value_for_reg): If replace_rtx would replace at least
16406         2 occurrences of REG in VALUE and TEM is really large, replace REG with
16407         (clobber (const_int 0)) instead of TEM.
16408         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
16409         * params.h (MAX_LAST_VALUE_RTL): New.
16410         * Makefile.in (combine.o): Depend on $(PARAMS_H).
16411         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
16412
16413         PR c/17297
16414         * c-typeck.c (digest_init): Only call build_vector if all constructor
16415         elements are *_CST nodes.
16416         * gimplify.c (gimplify_init_constructor): Likewise.
16417
16418         PR middle-end/19164
16419         * c-typeck.c (digest_init): Only call build_vector if inside_init
16420         is a CONSTRUCTOR.
16421
16422 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
16423
16424         * toplev.c (init_asm_output): Remove dead #ifdef.
16425
16426 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
16427
16428         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
16429
16430 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
16431
16432         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
16433         accessing DECL_FUNCTION_CODE.
16434         * dojump.c (do_jump): Likewise.
16435         * gimplify.c (gimplify_call_expr): Likewise.
16436         * predict.c (expr_expected_value): Likewise.
16437         (strip_builtin_expect): Likewise.
16438         * tree-inline.c (estimate_num_insns_1): Likewise.
16439         * tree-ssa-loop-im.c (stmt_cost): Likewise
16440         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
16441         (tree_expr_nonnegative_p): Likewise.
16442
16443 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
16444
16445         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
16446         variant of the load_pcrel_sym pattern.
16447         * config/sparc/sparc.md (P macro): Move to the top.
16448         (load_pcrel_sym): Macroize using P.
16449         (save_register_window): Likewise.
16450
16451 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
16452
16453         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
16454         ("sordered"): Same.
16455
16456 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
16457
16458         PR C/19472
16459         * c-typeck.c (build_asm_expr): Strip nops off
16460         input memory operands.
16461
16462 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
16463
16464         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
16465         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
16466         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
16467         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
16468
16469 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
16470
16471         PR target/19379
16472         * config/i386/i386.c (override_options): If the 80387 is disabled,
16473         then do not return FP values using FP registers.
16474
16475 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
16476
16477         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
16478         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
16479         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
16480         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
16481         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
16482         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
16483         output.h, postreload-gcse.c, postreload.c, recog.c,
16484         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
16485         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
16486         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
16487         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
16488         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
16489         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
16490         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
16491         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
16492
16493         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
16494         config/alpha/alpha.c, config/arm/vfp.md,
16495         config/i386/emmintrin.h, config/i386/i386-modes.def,
16496         config/i386/i386-protos.h, config/i386/i386.h,
16497         config/i386/pmmintrin.h, config/i386/ppro.md,
16498         config/i386/predicates.md, config/i386/xmmintrin.h,
16499         config/i860/i860.c, config/ia64/ia64-modes.def,
16500         config/ia64/ia64-protos.h, config/ia64/ia64.h,
16501         config/ia64/ia64.md, config/ia64/itanium1.md,
16502         config/ia64/itanium2.md, config/ia64/predicates.md,
16503         config/iq2000/iq2000.h, config/mips/linux64.h,
16504         config/rs6000/aix41.h, config/rs6000/aix43.h,
16505         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
16506         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
16507         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
16508         config/sparc/linux64.h, config/sparc/litecoff.h,
16509         config/sparc/sp64-elf.h, config/sparc/sparc.c,
16510         config/sparc/sparc.h, config/sparc/sparc.md,
16511         config/sparc/sysv4-only.h: Update copyright.
16512
16513 2005-01-18  Richard Henderson  <rth@redhat.com>
16514
16515         PR target/19496
16516         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
16517
16518 2005-01-18  Marc Espie  <espie@openbsd.org>
16519         * config/i386/openbsdelf.h: Typo.
16520
16521 2005-01-18  Richard Henderson  <rth@redhat.com>
16522
16523         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
16524         special case for sse.
16525         * config/i386/predicates.md (sse_comparison_operator): Likewise.
16526
16527 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
16528
16529         * tree-inline.c (estimate_num_insns_1): Added cases for
16530         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
16531
16532 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
16533
16534         PR rtl-optimization/19296
16535         * combine.c (simplify_comparison): Rewrite the condition under
16536         which a non-paradoxical SUBREG of a PLUS can be lifted when
16537         compared against a constant.
16538
16539 2005-01-18  Andi Kleen <ak@muc.de>
16540
16541         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
16542         * c.opt (-Wpointer-sign): Add.
16543         * doc/invoke.texi: (-Wpointer-sign): Add.
16544
16545 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
16546
16547         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
16548         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
16549         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
16550         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
16551         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
16552         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
16553         for TARGET_MIX_SSE_I387.
16554         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
16555         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
16556         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
16557         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
16558         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
16559         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
16560         TARGET_MIX_SSE_I387.
16561         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
16562         from expander.
16563
16564 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
16565
16566         PR target/19424
16567         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
16568         Add movaps alternative for xmm reg->reg move.
16569
16570 2005-01-17  Jeff Law  <law@redhat.com>
16571
16572         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
16573         at the end of the main DOM loop rather than just before DOM exits.
16574
16575 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
16576
16577         PR tree-optimization/19121
16578         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
16579         adding aliases to a name tag, also add them to the pointer's
16580         type tag.
16581         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
16582         sensitive alias info at all.  Only check that the two pointers
16583         have compatible pointed-to sets.
16584         * tree-ssa.c (verify_name_tags): Verify that the alias set of
16585         a pointer's type tag is a superset of the alias set of the
16586         pointer's name tag.
16587
16588 2005-01-17  James E Wilson  <wilson@specifixinc.com>
16589
16590         PR target/19357
16591         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
16592         comment to document why.
16593
16594 2005-01-17  Richard Henderson  <rth@redhat.com>
16595
16596         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
16597         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
16598         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
16599         sse2_vmsminv2df3_finite): New.
16600         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
16601         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
16602         Force op1 into register.
16603
16604 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
16605
16606         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
16607         bubblestrap from always rebuilding build directory.
16608
16609 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
16610
16611         * config/s390/s390.md ("*clc"): Remove incorrect '='.
16612         ("*cmpmem_short"): Likewise.
16613
16614 2005-01-17  Steven Bosscher  <stevenb@suse.de>
16615
16616         * basic-block.h: Document BB_* flags.
16617         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
16618         use an sbitmap instead.
16619         * sched-rgn.c (compute_trg_info): Likewise.
16620
16621 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
16622
16623         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
16624         redundant target_cpu_default and extra_parts lines.  Use the default
16625         "from-abi" ISA.
16626         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
16627         (SUBTARGET_EXTRA_SPECS): Delete.
16628         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
16629         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
16630         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
16631         and "n32" for -mabi=n32.
16632
16633 2005-01-17  Ian Lance Taylor  <ian@airs.com>
16634
16635         PR c/5675
16636         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
16637         fold constant variables into initial values.
16638
16639 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
16640
16641         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
16642
16643         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
16644         through the statements backward.
16645
16646 2005-01-17  Ian Lance Taylor  <ian@airs.com>
16647
16648         PR middle-end/13127:
16649         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
16650         a variable set to the return value of the inlined function.
16651
16652 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
16653
16654         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
16655         when modes are tieable.
16656
16657 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
16658
16659         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
16660         of pthread_create to find out if threads are enabled.
16661         * gthr-posix95.h (__gthread_active_p): Likewise.
16662
16663 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
16664
16665         * common.opt (-fnew-ra): Remove.
16666         * ra*.*: Remove.
16667         * toplev.h (flag_new_regalloc): Remove.
16668         * Makefile.in (ra*.*): Don't mention.
16669         * passes.c (rest_of_handle_new_regalloc): Remove.
16670         (rest_of_handle_combine, rest_of_compilation): Always consider
16671         flag_new_regalloc as false.
16672         * doc/invoke.texi: Don't document -fnew-ra.
16673
16674 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
16675
16676         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
16677         last parameter to reg_scan.
16678         * loop.c (loop_optimize): Likewise.
16679         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
16680         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
16681         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
16682         rest_of_handle_gcse, rest_of_handle_loop_optimize,
16683         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
16684         * regclass.c (reg_scan): Likewise, for the declaration.
16685         * rtl.h (reg_scan): Likewise, for the prototype.
16686
16687 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
16688
16689         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
16690         mark_dfs_back_edges.
16691
16692 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
16693
16694         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
16695         (compute_avail): Uses don't go in tmp_gen.
16696
16697 2005-01-16  Steven Bosscher  <stevenb@suse.de>
16698
16699         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
16700         loop to look for a free slot in a page entry.
16701
16702 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16703
16704         PR target/16304
16705         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
16706         * toplev.c (compile_file): Call process_pending_assemble_output_defs
16707         just before targetm.asm_out.file_end.
16708         * tree.h (process_pending_assemble_output_defs): Declare.
16709         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
16710         New functions.
16711         (assemble_alias): Defer generation of assembly code for defines when
16712         TARGET_DEFERRED_OUTPUT_DEFS is true.
16713         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
16714         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
16715         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
16716
16717 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16718
16719         PR target/19336
16720         * pa.c (pa_scalar_mode_supported_p): New function.
16721         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
16722         * pa.h (MIN_UNITS_PER_WORD): Add comment.
16723
16724         * pa-protos.h (prefetch_operand): Delete.
16725         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
16726         * pa.c (prefetch_operand): Delete.
16727         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
16728         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
16729         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
16730         and prefetch_nocc_operand.
16731         * pa.md (prefetch): Rework to avoid reload problems handling short
16732         displacements when a cache control completer needs to be provided.
16733         (prefetch_32, prefetch_64): Delete.
16734         (prefetch_cc, prefetch_nocc): New patterns.
16735
16736 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
16737
16738         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
16739
16740 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16741
16742         PR ada/19388
16743         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
16744         exceeds maximum alignment for global common data.
16745         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
16746         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
16747
16748 2004-01-15  Roger Sayle  <roger@eyesopen.com>
16749
16750         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
16751
16752 2004-01-15  Roger Sayle  <roger@eyesopen.com>
16753
16754         * harg-reg-set.h (reg_class_names): Prototype global array.
16755         * regclass.c (reg_class_names): Declare here and initialize to
16756         REG_CLASS_NAMES.
16757         (dump_regclass): Remove local declaration of reg_class_names.
16758         (regclass): Likewise.
16759         * cfg.c (dump_flow_info): Likewise.
16760         * ra-debug.c (reg_class_names): Likewise.
16761         * regrename.c (reg_class_names): Likewise.
16762         * reload.c (reg_class_names): Likewise.
16763         * reload1.c (spill_failure): Likewise.
16764         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
16765
16766 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
16767
16768         * config/s390/s390.md ("reload_outti"): Remove predicate for
16769         output operand.  Abort if operand is not a MEM.
16770         ("reload_outdi", "reload_outdf"): Likewise.
16771
16772 2005-01-15  Marc Espie  <espie@openbsd.org>
16773
16774         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
16775         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
16776         * config/openbsd.h:  Fix C++ includes for native configurations.
16777         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
16778         Add trampoline support.
16779         * config/i386/openbsdelf.h: New.
16780
16781 2005-01-15  Marc Espie  <espie@openbsd.org>
16782
16783         * collect2.c (main): Explicitly parse -dynamic-linker option.
16784
16785 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
16786
16787         PR tree-optimization/19060
16788         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
16789         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
16790         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
16791         and handle extract_range_from_cond returning false.
16792         * fold-const.c (fold): Optimize comparisons with min/max even for
16793         width > HOST_BITS_PER_WIDE_INT.
16794
16795 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
16796
16797         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
16798         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
16799         Remove little endian multilib variants.
16800         Add mips32 multilib variant.
16801
16802 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
16803
16804         * explow.c (copy_all_reg, stabilize): Remove.
16805         * expr.h: Remove the corresponding prototypes.
16806
16807         * rtlanal.c (regs_set_between_p): Remove.
16808         * rtl.h: Remove the corresponding prototype.
16809
16810 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
16811
16812         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
16813         to rs6000_nonimmediate_operand.
16814         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
16815         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
16816         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
16817         rs6000_nonimmediate_operand.
16818         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
16819         rs6000_nonimmediate_operand.
16820
16821 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
16822
16823         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
16824
16825 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
16826
16827         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
16828         on e500v2.
16829         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
16830         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
16831
16832         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
16833         (rs6k_nonimmediate_operand): New.
16834         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
16835         correctly.
16836         (legitimate_lo_sum_address_p): Same.
16837         (rs6000_legitimize_address): Same.
16838         (rs6000_legitimize_reload_address): Same.
16839         (rs6000_legitimate_address): Same.
16840         (spe_build_register_parallel): Pass DF and DC modes in a DI
16841         register.
16842
16843         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
16844         to rs6k_nonimmediate_operand.
16845
16846         * config/rs6000/spe.md ("*frob_df_di"): New.
16847         ("*frob_di_df"): New.
16848         ("*frob_di_df_2"): New.
16849         ("*mov_sidf_e500_subreg0"): New.
16850         ("*mov_sidf_e500_subreg4"): New.
16851         ("*movdf_e500_double"): Change predicate to
16852         rs6k_nonimmediate_operand.
16853
16854 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
16855
16856         * postreload.c (move2add_note_store): Only call
16857         trunc_int_for_mode on scalar integers.
16858
16859 2005-01-14  Steven Bosscher  <stevenb@suse.de>
16860
16861         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
16862         replace BB_VISITED uses.
16863         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
16864         (propagate_necessity): Check the bitmap instead of BB_VISITED.
16865         (tree_dce_done): Free visited_control_parents.
16866         (perform_tree_ssa_dce): Allocate and clear it.
16867         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
16868         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
16869         instead of BB_VISITED.
16870
16871 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
16872
16873         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
16874         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
16875         Remove unused prototypes.
16876
16877 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
16878
16879         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
16880         64-bit register usage.
16881         (spe_func_has_64bit_regs_p): Add FIXME note.
16882
16883 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
16884
16885         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
16886         flag_finite_math_only with flag_unsafe_math_optimizations.
16887
16888 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
16889
16890         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
16891         end-of-stack check.
16892         (__tpf_eh_return): Copy TPF private stack area from the module
16893         boundary stack frame.  Add check for when module addresses are
16894         equal, but no stub address is found.
16895
16896 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
16897
16898         PR target/7525
16899         * arm.h (struct machine_function): Add call_via field.
16900         (thumb_call_via_label): Declare.
16901         * arm.c (thumb_call_via_label): New variable.
16902         (thumb_call_reg_needed): New variable.
16903         (arm_output_function_epilogue): For Thumb code, output any per-function
16904         call-indirect trampolines.
16905         (thumb_call_via_reg): New function.
16906         (arm_file_end): New function.
16907         (TARGET_ASM_FILE_END): Call arm_file_end.
16908         (aof_file_end): Likewise.
16909         * arm-protos.h (thumb_call_via_reg): Declare.
16910         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
16911         thumb_call_via_reg in normal case.
16912
16913 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
16914
16915         PR middle-end/19084
16916         PR rtl-optimization/19348
16917         * recog.c (peephole2_optimize): Do global life update if some peephole
16918         decides it doesn't need at least one of its inputs and that change
16919         influences liveness at the start of the basic block.
16920
16921         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
16922         arguments instead of 1.
16923
16924 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
16925
16926         PR middle-end/18820
16927         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
16928         zero for nested functions needing a static chain or functions
16929         with a non-constant address.
16930
16931 2005-01-13  Roger Sayle  <roger@eyesopen.com>
16932
16933         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
16934         (and (sign_extend X) C) into (zero_extend (and X C)).
16935
16936 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
16937
16938         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
16939
16940 2005-01-13  Richard Henderson  <rth@redhat.com>
16941
16942         PR target/19009
16943         PR target/19250
16944         PR target/19252
16945         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
16946         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
16947         not just TARGET_SSE.
16948         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
16949         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
16950         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
16951         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
16952         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
16953         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
16954         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
16955         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
16956         (movdicc_c_rex64): Rename with '*'.
16957         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
16958         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
16959         (movsfcc_1_387): Rename from movsfcc_1.
16960         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
16961         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
16962         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
16963         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
16964         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
16965         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
16966         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
16967         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
16968         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
16969         sse_movdfcc_const0_4): Remove.
16970         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
16971         recognize min/max early.  Update for changed sse cmove patterns.
16972         (ix86_split_sse_movcc): New.
16973         * config/i386/i386-protos.h: Update.
16974
16975 2005-01-13  Steven Bosscher  <stevenb@suse.de>
16976
16977         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
16978         (fix_stmt_v_may_defs): Likewise.
16979
16980 2005-01-13  Richard Henderson  <rth@redhat.com>
16981
16982         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
16983         for converting the mask.
16984
16985 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
16986
16987         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
16988         definition to 600.
16989
16990 2005-01-13  Richard Henderson  <rth@redhat.com>
16991
16992         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
16993         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
16994         IX86_BUILTIN_MOVDQ2Q): Remove.
16995         (IX86_BUILTIN_VEC_EXT_V4SI): New.
16996         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
16997         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
16998         shuffling.
16999         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
17000         (sse2_pextrw): Fix immediate constraint.
17001         (sse2_loadq, sse2_loadq_rex64): Remove.
17002         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
17003         Use __builtin_ia32_vec_ext_<size>.
17004         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
17005
17006 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
17007
17008         * function.c (assign_parm_setup_block): Look inside original
17009         entry_parm when inspecting PARALLEL.
17010
17011 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
17012             Joel Sherrill  <joel@oarcorp.com>
17013
17014         PR target/19399
17015         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
17016         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
17017         rtems_gxx_recursive_mutex_init.
17018         (__gthread_recursive_mutex_lock): New function.
17019         (__gthread_recursive_mutex_trylock): Likewise.
17020         (__gthread_recursive_mutex_unlock): Likewise.
17021
17022 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
17023
17024         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
17025
17026 2005-01-13  Jan Beulich  <jbeulich@novell.com>
17027
17028         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
17029         (ashrti3_internal): Indicate output is early clobber. Generate result
17030         into output rather than first input. Use move for low word of output
17031         if shift count is exactly 64.
17032         (lshrti3_internal): Likewise.
17033
17034 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
17035
17036         PR target/18329
17037         PR target/18330
17038         * reload1.c (delete_output_reload): Don't delete an output reload
17039         if the pseudo lives longer than a single basic block.  Adjust and
17040         improve wording of comment.
17041
17042 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
17043
17044         PR target/19334
17045         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
17046         of TYPE_SIZE where we mean the number of bytes.
17047
17048 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
17049
17050         * function.c (assign_parm_setup_block): Relax condition on
17051         multi-register optimization.
17052
17053 2005-01-12  Nick Clifton  <nickc@redhat.com>
17054
17055         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
17056         an "in_delay_slot" attribute of "no" to prevent them being used in
17057         delay slots.  This is forbidden because they might generate
17058         exceptions.
17059
17060 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
17061
17062         PR target/19389
17063         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
17064         with r->Y and Y->r.
17065
17066 2005-01-12  Nick Clifton  <nickc@redhat.com>
17067
17068         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
17069         passed on to GAS) but do not define, as GAS no longer supports or
17070         needs the -m2000 option.
17071
17072 2005-01-11  Roger Sayle  <roger@eyesopen.com>
17073
17074         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
17075         type as args of unprototyped builtins aren't automatically promoted.
17076         (fold_builtin_abs): Likewise.
17077
17078 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
17079
17080         * Makefile.in: Set a `build-warn' variable.
17081
17082 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
17083
17084         PR tree-optimization/17949
17085         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
17086         (find_interesting_uses_address): Use it.
17087
17088 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
17089
17090         * regrename.c (kill_value): Handle subreg's that won't simplify.
17091
17092 2005-01-11  Richard Henderson  <rth@redhat.com>
17093
17094         PR target/13366
17095         * config/i386/i386.h (enum ix86_builtins): Move ...
17096         * config/i386/i386.c: ... here.
17097         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
17098         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
17099         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
17100         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
17101         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
17102         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
17103         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
17104         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
17105         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
17106         IX86_BUILTIN_LOADDDUP): Remove.
17107         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
17108         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
17109         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
17110         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
17111         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
17112         (ix86_init_builtins): Make static.
17113         (ix86_init_mmx_sse_builtins): Update for changed builtins.
17114         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
17115         if all the modes match.  Otherwise, fake it.
17116         (get_element_number, ix86_expand_vec_init_builtin,
17117         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
17118         (ix86_expand_builtin): Make static.  Update for changed builtins.
17119         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
17120         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
17121         (ix86_expand_vector_init_duplicate): New.
17122         (ix86_expand_vector_init_low_nonzero): New.
17123         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
17124         Split out from ix86_expand_vector_init; handle integer modes.
17125         (ix86_expand_vector_init): Use them.
17126         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
17127         * config/i386/i386-protos.h: Update.
17128         * config/i386/predicates.md (reg_or_0_operand): New.
17129         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
17130         (movv2sf_internal): Likewise.  And a splitter to match them all.
17131         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
17132         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
17133         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
17134         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
17135         (mmx_pinsrw): Fix operand ordering.
17136         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
17137         rather than sse_loadss expander.
17138         (movv2df splitter): Similarly.
17139         (sse_loadss, sse_loadlss): Remove.
17140         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
17141         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
17142         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
17143         (sse3_movddup): Rename with '*'.
17144         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
17145         (sse2_loadsd): Remove.
17146         (vec_dupv2df_sse3): Rename from sse3_loadddup.
17147         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
17148         (sse2_pinsrw): Fix argument ordering.
17149         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
17150         (sse2_stored): Remove 'r' destination.
17151         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
17152         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
17153         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
17154         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
17155         vec_extractv16qi, vec_initv16qi): New.
17156
17157         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
17158         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
17159         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
17160         constructor form.
17161         (_mm_load_pd, _mm_store_pd): Use plain dereference.
17162         (_mm_load_si128, _mm_store_si128): Likewise.
17163         (_mm_load1_pd): Use _mm_set1_pd.
17164         (_mm_load_sd): Use _mm_set_sd.
17165         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
17166         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
17167         (_mm_set_epi64): Use _mm_set_epi64x.
17168         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
17169         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
17170         _mm_setr_epi8): Use _mm_set_foo form.
17171         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
17172         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
17173         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
17174         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
17175         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
17176         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
17177         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
17178         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
17179         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
17180         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
17181         (_mm_movedup_pd): Use _mm_shuffle_pd.
17182         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
17183         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
17184         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
17185         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
17186         Use _mm_setzero_ps.
17187         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
17188         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
17189         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
17190         (_mm_store_ps): Use raw dereference.
17191         (_mm_store1_ps): Use _mm_storeu_ps.
17192         (_mm_storer_ps): Use _mm_store_ps.
17193         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
17194         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
17195
17196 2005-01-11  Stan Shebs  <shebs@apple.com>
17197
17198         * config/rs6000/rs6000.c (machopic_output_stub): Issue
17199         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
17200
17201 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
17202
17203         PR target/18761
17204         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
17205         Skip all DECLs except for FIELD_DECLs.
17206
17207 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
17208
17209         * config/s390/s390.c (override_options): Return error if
17210         -mbackchain, -mpacked-stack and -mhard-float are used together.
17211         (s390_va_start): Remove the backchain && packed-stack special case.
17212         (s390_gimplify_va_arg): Likewise.
17213         * doc/invoke.texi: Remove the ABI incompatibility note.
17214
17215 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
17216
17217         * config/s390/s390.c (struct s390_frame_layout): Remove
17218         save_backchain_p.
17219         (s390_frame_info, s390_emit_prologue): Replace occurrences of
17220         save_backchain_p with TARGET_BACKCHAIN.
17221
17222 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
17223
17224         PR target/18916
17225         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
17226         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
17227         * function.c (locate_and_pad_parm): Set new field.
17228         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
17229         Tweak where_pad test to include "none".  Always set mem align for
17230         stack_parm.
17231         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
17232         not sufficient for type.
17233         (assign_parm_setup_block): If stack_parm is zero on entry, always
17234         make a new stack local.  Block move old stack parm if necessary
17235         to new aligned stack local.
17236         (assign_parm_setup_stack): Use a block move to handle
17237         potentially misaligned entry_parm.
17238         (assign_parms_unsplit_complex): Specify required alignment when
17239         creating stack local.
17240         * calls.c (compute_argument_addresses): Override alignment of stack
17241         arg calculated from its type with the alignment given by
17242         FUNCTION_ARG_BOUNDARY.
17243         (store_one_arg): Likewise.
17244
17245 2005-01-11  Jan Beulich  <jbeulich@novell.com>
17246
17247         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
17248         Change respective itanium_class attribute to ialu.
17249         (shladdp4_internal): New.
17250         * config/ia64/predicates.md (shladd_log2_operand): New.
17251
17252 2005-01-11  Richard Henderson  <rth@redhat.com>
17253
17254         * expr.c (store_constructor): Use rtvec_alloc instead of
17255         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
17256
17257 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
17258
17259         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
17260
17261 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
17262
17263         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
17264         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
17265         (TARGET_RWRELOC): Define.
17266         (ia64_rwreloc_section_type_flags): Delete.
17267         (ia64_section_type_flags): New function.
17268         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
17269         (TARGET_RWRELOC): Define.
17270
17271 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
17272
17273         PR target/18987
17274         * config/ia64/ia64.c (process_set): For alloc insn, only call
17275         process_epilogue is !frame_pointer_needed.
17276
17277 2005-01-10  Roger Sayle  <roger@eyesopen.com>
17278
17279         PR c++/19355
17280         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
17281         unary operator and can't be treated as a binary/comparison operator.
17282
17283 2005-01-10  Richard Henderson  <rth@redhat.com>
17284
17285         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
17286         (ix86_return_in_memory): Likewise.
17287         (function_arg_advance):  Likewise.  Mirror structure in function_arg
17288         for choosing register to advance.
17289
17290 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
17291
17292         * tree-vectorizer.c, tree.def: Fix comment typos.
17293
17294 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
17295
17296         * config/s390/s390.c (struct processor_costs): 4 new fields:
17297         ddbr, ddr, debr, der.
17298         (s390_rtx_costs): More precise handling of divide instructions.
17299
17300 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
17301
17302         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
17303
17304 2005-01-10  Jan Beulich  <jbeulich@novell.com>
17305
17306         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
17307         names resulting from -ffunction-sections/-fdata-sections and linkonce
17308         ones.
17309         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
17310         based on the section name. Rearrange the section name comparison logic
17311         slightly so that each section name is compared against at most once.
17312
17313 2005-01-10  Ben Elliston  <bje@au.ibm.com>
17314
17315         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
17316         targets for which -fPIC reduces limitations on the GOT size.
17317
17318 2005-01-09  Falk Hueffner  <falk@debian.org>
17319
17320         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
17321         X/C1 cmpop C2.
17322
17323 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
17324
17325         PR target/18720
17326         * collect2.c (main): Set aixrtl_flag for -brtl option.
17327         (resolve_lib_name): Search for .so file extension before .a
17328         if aixrtl_flag set.
17329
17330 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
17331
17332         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
17333         (vect_analyze_data_refs_alignment): Add dump prints.
17334
17335 2005-01-09  Ira Rosen  <irar@il.ibm.com>
17336
17337         * tree-vectorizer.c (vect_analyze_offset_expr): Use
17338         expr_invariant_in_loop_p.
17339         Initialize outputs first thing in the function.
17340         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
17341         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
17342         (vect_analyze_pointer_ref_access): Check that the initial condition of
17343         the access function is loop invariant.
17344
17345 2005-01-09  Richard Henderson  <rth@redhat.com>
17346
17347         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
17348         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
17349         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
17350         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
17351         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
17352         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
17353         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
17354         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
17355         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
17356         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
17357         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
17358         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
17359         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
17360         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
17361         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
17362         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
17363         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
17364         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
17365         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
17366         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
17367         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
17368         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
17369         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
17370         mmx_ prefix.
17371         (mmx_clrdi, pavgusb): Remove.
17372         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
17373         with leading sse_ prefix.
17374         * config/i386/sse.md: Receive them.
17375         * config/i386/mmx.md: New file.
17376         (MMXMODE12, MMXMODE24, mmxvecsize): New.
17377         (subrv2sf3): Turn into expander for normal subtraction.
17378         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
17379         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
17380         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
17381         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
17382         commutative; use ix86_binary_operator_ok.
17383         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
17384         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
17385         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
17386         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
17387         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
17388         Macroize from existing patterns; use ix86_binary_operator_ok.
17389         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
17390         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
17391         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
17392         with vec_select+vec_concat.
17393         (mmx_pshufw, mmx_pshufw_1): Likewise.
17394         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
17395         (mmx_uavgv4hi3): Model correctly.
17396         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
17397         _mm_xor_si64): Remove casts.
17398
17399 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
17400
17401         PR tree-optimization/19224
17402         * tree-scalar-evolution.c (get_instantiated_value,
17403         set_instantiated_value): New functions.
17404         (instantiate_parameters_1): Cache the results.
17405         (instantiate_parameters, resolve_mixers): Initialize and free
17406         the cache.
17407
17408 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
17409
17410         * config/i386/i386.md (addhi_4): Correct reference in comment.
17411         (addqi_4): Same.
17412
17413 2005-01-08  Richard Henderson  <rth@redhat.com>
17414
17415         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
17416         (_mm_cvtsi128_si64x): Likewise.
17417         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
17418         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
17419         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
17420         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
17421         * config/i386/i386-protos.h: Update.
17422         * config/i386/i386.c (print_operand): Add 'H'.
17423         (ix86_fixup_binary_operands): Split out from ...
17424         (ix86_expand_binary_operator): ... here.
17425         (ix86_fixup_binary_operands_no_copy): New.
17426         (ix86_expand_fp_absneg_operator): Handle vector mode results.
17427         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
17428         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
17429         (safe_vector_operand): Use CONST0_RTX.
17430         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
17431         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
17432         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
17433         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
17434         special cases.
17435         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
17436         (IX86_BUILTIN_CMPNGESS): New.
17437         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
17438         (attr type): Add sselog1.
17439         (attr unit, attr memory): Handle it.
17440         (movti, movti_internal, movti_rex64): Move near other integer moves.
17441         (movtf, movtf_internal): Move near other fp moves.
17442         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
17443         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
17444         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
17445         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
17446         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
17447         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
17448         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
17449         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
17450         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
17451         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
17452         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
17453         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
17454         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
17455         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
17456         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
17457         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
17458         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
17459         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
17460         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
17461         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
17462         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
17463         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
17464         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
17465         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
17466         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
17467         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
17468         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
17469         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
17470         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
17471         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
17472         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
17473         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
17474         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
17475         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
17476         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
17477         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
17478         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
17479         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
17480         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
17481         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
17482         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
17483         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
17484         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
17485         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
17486         same time.
17487         (SSEPUSH, push<SSEPUSH>): Remove.
17488         (MMXPUSH, push<MMXPUSH>): Remove.
17489         (sse_movaps, sse_movaps_1, sse_movups): Remove.
17490         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
17491         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
17492         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
17493         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
17494         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
17495         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
17496         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
17497         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
17498         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
17499         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
17500         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
17501         (ppro_sse_log_V4SF): Handle sselog1.
17502         * config/i386/predicates.md (const_0_to_1_operand): New.
17503         (const_0_to_255_mul_8_operand): New.
17504         (const_1_to_31_operand): Rename from const_int_1_31_operand.
17505         (const_2_to_3_operand, const_4_to_7_operand): New.
17506         * config/i386/sse.md: New file.
17507         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
17508         (sse_movups): Rename from sse_movups_1.
17509         (sse_loadlss): Rename from sse_loadss_1.
17510         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
17511         from the name.
17512         (negv4sf2): Use ix86_expand_fp_absneg_operator.
17513         (absv4sf2, negv2df, absv2df): New.
17514         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
17515         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
17516         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
17517         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
17518         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
17519         (sse3_addsubv4sf3): Model correctly.
17520         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
17521         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
17522         (sse_movhlps): Model with vec_select+vec_concat.
17523         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
17524         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
17525         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
17526         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
17527         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
17528         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
17529         sse2_pshufhw_1): Likewise.
17530         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
17531         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
17532         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
17533         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
17534         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
17535         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
17536         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
17537         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
17538         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
17539         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
17540         sminv8hi3): Mark commutative
17541         operands.  Use ix86_binary_operator_ok.
17542         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
17543         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
17544         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
17545         sse2_punpcklqdq): Allow operand2 in memory.
17546         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
17547         sse2_movsd): Add memory alternatives.
17548         (sse_storelps): Turn expander into an insn; split after reload.
17549         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
17550         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
17551
17552 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
17553
17554         * configure.ac (DWARF-2 debug_line): Use objdump.
17555         * configure: Regenerate.
17556
17557 2005-01-08  Jeff Law  <law@redhat.com>
17558             Diego Novillo  <dnovillo@redhat.com>
17559
17560         PR tree-optimization/18241
17561         * tree-nrv.c (tree_nrv): Ignore volatile return values.
17562         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
17563         statements with volatile operands.
17564         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
17565         operands after marking a statement with has_volatile_ops.
17566
17567 2005-01-08  Roger Sayle  <roger@eyesopen.com>
17568
17569         * tree.c (int_fits_type_p): Always honor integer constant
17570         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
17571
17572 2005-01-08  Roger Sayle  <roger@eyesopen.com>
17573
17574         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
17575         the latent bug in rtl_delete_block has been resolved.
17576
17577 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
17578
17579         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
17580         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
17581
17582 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
17583
17584         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
17585         library as @multilib_dir@/$(SHLIB_SONAME).
17586
17587 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
17588
17589         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
17590         * configure: Regenerate.
17591
17592 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
17593
17594         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
17595         TYPE_MODE.
17596
17597 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
17598
17599         PR target/13674
17600         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
17601         Convert non-word aligned offset address using ld/std into
17602         indirect address.
17603
17604 2005-01-07  Richard Henderson  <rth@redhat.com>
17605
17606         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
17607
17608 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
17609
17610         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
17611
17612 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
17613
17614         PR tree-optimization/19283
17615         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
17616         is not shorter than the original type.
17617
17618         PR rtl-optimization/19012
17619         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
17620
17621         PR rtl-optimization/18861
17622         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
17623         (FULL_STATE): Define.
17624         (mark_tablejump_edge): New function.
17625         (purge_dead_tablejump_edges): New function.
17626         (find_bb_boundaries): Use it.
17627
17628         PR tree-optimization/18828
17629         * builtins.c (expand_builtin_next_arg): Remove argument and all
17630         the argument checking.
17631         (expand_builtin): Adjust caller.
17632         (expand_builtin_va_start): Likewise.  Remove error for too many
17633         arguments.
17634         (fold_builtin_next_arg): Issue error for too many arguments.
17635         After checking arguments, replace them with magic arguments that
17636         prevent further checking of the args.
17637
17638 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
17639
17640         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
17641
17642 2005-01-06  Roger Sayle  <roger@eyesopen.com>
17643
17644         PR target/6077
17645         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
17646         and %{.S:...} (and their negative variants) to test whether the
17647         input file is assembler or pre-processed-assembler independent of
17648         the actual filename extension.
17649
17650 2005-01-06  Roger Sayle  <roger@eyesopen.com>
17651
17652         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
17653         of sign or zero extended values.
17654
17655 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
17656
17657         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
17658         for IBM long double format correctly.
17659
17660 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
17661
17662         Fix PR tree-optimization/18792
17663
17664         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
17665         to first_loop_depth, and use loop depth instead of loop number.
17666         (build_classic_dir_vector): Ditto.
17667         (compute_data_dependences_for_loop): Use depth, not loop number.
17668         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
17669         number. Pass in loops, instead of loop numbers.
17670         (gather_interchange_stats): Ditto.
17671         (linear_transform_loops): Ditto.
17672
17673 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
17674
17675         PR rtl-opt/13299
17676         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
17677         biv_fits_mode_p, extension_within_bounds_p): New functions.
17678         (check_ext_dependent_givs): Use them.
17679
17680 2005-01-06  Roger Sayle  <roger@eyesopen.com>
17681
17682         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
17683         more than one barrier, in which case we should delete them all.
17684
17685 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
17686
17687         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
17688
17689 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
17690
17691         Fix PR middle-end/19286
17692         Fix PR debug/19267
17693         * dwarf2out.c (gen_subprogram_die): If we've already tried to
17694         output this subprogram, simply ignore this attempt to do it again.
17695         (add_abstract_origin_attribute): Don't abort trying to add the abstract
17696         origin attribute if it's not possible.
17697         (gen_block_die): Don't ignore subblocks of "unused" blocks.
17698         (decls_for_scope): Ditto.
17699         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
17700         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
17701
17702 2005-01-05  Richard Henderson  <rth@redhat.com>
17703
17704         PR target/11327
17705         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
17706         (bdesc_2arg): Use it.
17707         (ix86_expand_binop_builtin): Force operands into registers
17708         when optimizing.
17709         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
17710         ix86_expand_sse_compare, ix86_expand_sse_comi,
17711         ix86_expand_builtin): Likewise.
17712
17713 2005-01-05  Richard Henderson  <rth@redhat.com>
17714
17715         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
17716         and VEC_SELECT.
17717         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
17718         (mulv4hi3): Set itanium_class mmmul.
17719         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
17720         (fpack): Rename from fpack_sfsf.
17721
17722 2005-01-05  Richard Henderson  <rth@redhat.com>
17723
17724         PR rtl-opt/10692
17725         * reload1.c (do_input_reload): Restrict the optimization deleteing
17726         a previous output reload to RELOAD_FOR_INPUT.
17727
17728 2005-01-05  Steven Bosscher  <stevenb@suse.de>
17729
17730         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
17731         comment that we fall through after case.
17732         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
17733         (distribute_links): Likewise.
17734         * cse.c (cse_insn): Likewise.
17735         * cselib.c (cselib_invalidate_mem): Likewise.
17736         * df.c: Update comments at the top of the file.
17737         (read_modify_subreg_p): Update comments here too.
17738         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
17739         * flow.c (mark_set_1): Likewise.
17740         (mark_used_regs): Likewise.
17741         * gcse.c (mems_conflict_for_gcse_p): Likewise.
17742         (canon_list_insert): Likewise.
17743         (mark_set): Likewise.
17744         (try_replace_reg): Likewise.
17745         (store_killed_in_insn): Likewise.
17746         * loop.c (count_one_set): Likewise.
17747         (basic_induction_var): Likewise.
17748         * postreload-gcse.c (find_mem_conflicts): Likewise.
17749         * postreload.c (reload_combine_note_store): Likewise.
17750         (move2add_note_store): Likewise.
17751         * reload.c (find_equiv_reg): Likewise.
17752         (mark_referenced_resources): Likewise.
17753         * rtlanal.c (set_noop_p): Likewise.
17754         (note_stores): Likewise.
17755         (note_uses): Likewise.
17756         * sched-deps.c (sched_analyze_1): Likewise.
17757         * sched-rgn.c (check_live_1): Likewise.
17758         (update_live_1): Likewise.
17759         * config/i860/i860.c: Likewise.
17760
17761         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
17762         an lvalue.
17763         (ZERO_EXTRACT): Mention that this one can be an lvalue.
17764
17765         * doc/rtl.texi: Update documentation for bit-fields and SET.
17766
17767 2005-01-05  Roger Sayle  <roger@eyesopen.com>
17768
17769         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
17770
17771 2005-01-05  Jan Hubicka  <jh@suse.cz>
17772             Richard Henderson  <rth@redhat.com>
17773
17774         PR target/18910
17775         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
17776         with an offset.
17777
17778 2005-01-05  Richard Henderson  <rth@redhat.com>
17779
17780         PR target/12902
17781         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
17782         (sse_shufps): Change operand 3 to const_int_operand.
17783         (sse2_storelps): Fix typo in template.
17784         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
17785         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
17786         (ix86_expand_builtin): Likewise.
17787
17788 2005-01-05  Julian Brown  <julian@codesourcery.com>
17789
17790         * config/arm/arm.c (arm_return_in_memory): Treat complex types
17791         as aggregates for AAPCS ABIs.
17792
17793 2005-01-05  Stan Shebs  <shebs@apple.com>
17794
17795         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
17796         Mach-O getters if ppc64.
17797         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
17798         size argument.
17799         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
17800         signed four-byte field for global code case.
17801         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
17802
17803 2005-01-05  Roger Sayle  <roger@eyesopen.com>
17804
17805         PR middle-end/19100
17806         * c-common.c: Include real.h.
17807         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
17808         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
17809         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
17810         * Makefile.in (c-common.o): Update dependencies.
17811
17812 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
17813
17814         * c-parse.in (asm_string): Add trailing semicolon.
17815
17816 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
17817
17818         * c-parse.in (asm_string): New.  Don't allow wide strings in
17819         'asm'.
17820         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
17821         asm_string instead of STRING.
17822
17823 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
17824
17825         * c-typeck.c (constructor_no_implicit): Remove.
17826         (set_designator, process_init_element): Don't check
17827         constructor_no_implicit.
17828
17829 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
17830             Kaz Kojima  <kkojima@gcc.gnu.org>
17831
17832         PR target/16482
17833         * lcm.c (create_pre_exit): New.
17834         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
17835         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
17836
17837 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
17838
17839         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
17840         -msoft-float in target_float_switch.
17841         * arm.c (arm_override_options): Fix processing of target_float_switch.
17842
17843 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
17844
17845         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
17846         preferencing.
17847
17848 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
17849
17850         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
17851         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
17852
17853 2005-01-04  Roger Sayle  <roger@eyesopen.com>
17854
17855         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
17856         if deleting the then-block allows the test-block to fallthru to the
17857         else-block.
17858
17859 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
17860
17861         PR c/19152
17862         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
17863         after the full declaration if the are in two different TUs.
17864
17865 2005-01-04  Richard Henderson  <rth@redhat.com>
17866
17867         PR tree-opt/19158
17868         * tree-sra.c (generate_one_element_init): Just
17869         call gimplify_and_add.
17870         (generate_element_init): Record the
17871         new referenced variables and mark them for renaming
17872         and split out to ...
17873         (generate_element_init_1): This.
17874         (scalarize_init): Don't call push_gimplify_context/
17875         pop_gimplify_context.
17876
17877 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
17878
17879         * toplev.c (get_src_pwd): Handle failure of getpwd().
17880
17881 2005-01-04  Roger Sayle  <roger@eyesopen.com>
17882
17883         * fold-const.c (fold_single_bit_test): Delete unreachable handling
17884         of TRUTH_NOT_EXPR.
17885         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
17886         all the cases handled by it are inverted by invert_truthvalue.
17887
17888 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
17889
17890         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
17891         (save_register_windowsi): Likewise.
17892
17893 2005-01-04  Richard Henderson  <rth@redhat.com>
17894
17895         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
17896
17897 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
17898
17899         PR middle-end/17767
17900         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
17901         any simplifications of vector mode comparison operators.
17902         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
17903
17904 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
17905             Devang Patel  <dpatel@apple.com>
17906
17907         PR tree-optimization/18308
17908         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
17909         the operands before creating a new expression.
17910         * dojump.c (do_jump): Make drop_through_label available
17911         for all cases.  Add expansion of COND_EXPR.
17912
17913 2005-01-04  Ira Rosen  <irar@il.ibm.com>
17914
17915         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
17916         INTEGER_CST instead of TREE_CONSTANT.
17917         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
17918         instead of TREE_CONSTANT.
17919         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
17920         instead of TREE_CONSTANT.
17921
17922 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
17923
17924         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
17925
17926 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
17927
17928         PR target/19240
17929         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
17930         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
17931
17932 2005-01-03  Richard Henderson  <rth@redhat.com>
17933
17934         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
17935         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
17936         fold_convert_const_real_from_real): Split out from ...
17937         (fold_convert_const): ... here.
17938
17939 2005-01-03  Richard Henderson  <rth@redhat.com>
17940
17941         PR target/19235
17942         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
17943         (mov<MMXMODEI>_internal): Likewise.
17944         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
17945         Add V2SF case; use it for SSE1; don't use TI.
17946         (movdf_integer): Likewise.
17947         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
17948
17949 2005-01-03  Ira Rosen  <irar@il.ibm.com>
17950
17951         * tree-vectorizer.c (vect_strip_conversions): New function.
17952         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
17953         check for binary class.
17954
17955 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
17956
17957         Fix PR debug/17924
17958         Fix PR debug/19191
17959         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
17960         is a decl.
17961         * gimple-low.c (mark_blocks_with_used_vars): New function.
17962         (mark_blocks_with_used_subblocks): Ditto.
17963         (mark_used_blocks): Ditto.
17964         (pass_mark_used_blocks): New pass.
17965         * tree-inline.c: Include debug.h.
17966         (expand_call_inline): Call outlining_inline_function here.
17967         * tree-optimize.c (init_tree_optimization_passes): Add
17968         pass_mark_used_blocks.
17969         * tree-pass.h (pass_mark_used_blocks): New.
17970         * Makefile.in (tree-inline.o): Add debug.h dependency.
17971
17972 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
17973
17974         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
17975         VAR_DECLs to have weak_import attribute.
17976
17977         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
17978         'struct ucontext'.
17979
17980 2004-01-03  Steven Bosscher  <stevenb@suse.de>
17981
17982         * passes.c (rest_of_compilation): Don't run regmove if only
17983         flag_expensive_optimizations, require flag_regmove instead.
17984
17985 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
17986
17987         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
17988         register "sparc".
17989         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
17990         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
17991         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
17992         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
17993
17994 2005-01-03  Richard Henderson  <rth@redhat.com>
17995
17996         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
17997         (ia64_const_ok_for_letter_p): New.
17998         (ia64_const_double_ok_for_letter_p): New.
17999         (ia64_extra_constraint): New.
18000         (ia64_expand_vecint_compare): New.
18001         (ia64_expand_vcondu_v2si): New.
18002         (ia64_expand_vecint_cmov): New.
18003         (ia64_expand_vecint_minmax): New.
18004         (ia64_print_operand): Add 'v'.
18005         (ia64_preferred_reload_class): New.
18006         (ia64_vector_mode_supported_p): New.
18007         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
18008         (PREFERRED_RELOAD_CLASS): Move to function.
18009         (CONST_OK_FOR_LETTER_P): Move to function.
18010         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
18011         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
18012         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
18013         (EXTRA_CONSTRAINT): Move to function.
18014         * config/ia64/ia64.md: Include vect.md.
18015         (itanium_class): Add mmalua.
18016         (type): Handle it.
18017         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
18018         (1b_mmalua): New.
18019         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
18020         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
18021         CONST0_RTX.
18022         (const_int_2bit_operand): New.
18023         (fr_reg_or_0_operand): New.
18024         * config/ia64/ia64-modes.def: Add vector modes.
18025         * config/ia64/ia64-protos.h: Update.
18026         * config/ia64/vect.md: New file.
18027
18028 2005-01-03  Richard Henderson  <rth@redhat.com>
18029
18030         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
18031
18032 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
18033
18034         PR target/19236
18035         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
18036         to SFmode.
18037         (log1pdf2): Change mode of operands[0,1] to DFmode.
18038
18039 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
18040
18041         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
18042         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
18043         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
18044         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
18045         SPARC_RELAXED_ORDERING.
18046
18047 2005-01-03  Richard Henderson  <rth@redhat.com>
18048             Uros Bizjak  <uros@kss-loka.si>
18049
18050         PR target/14631
18051         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
18052         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
18053         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
18054         handling.
18055         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
18056         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
18057         const_pow2_1_to_128_operand): New predicates.
18058
18059 2005-01-02  Greg McGary  <greg@mcgary.org>
18060
18061         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
18062         anonymous decls.
18063         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
18064         object.  [ptr_type]: Remove unused variable.
18065         Remember nearest addressable array-element or record-component
18066         when checking bitfield components.  Tolerate empty BIND_EXPR.
18067
18068 2005-01-01  Richard Henderson  <rth@redhat.com>
18069
18070         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
18071         that don't narrow the value.  Fail for other conversions.
18072
18073 2005-01-01  Richard Henderson  <rth@redhat.com>
18074
18075         PR c/19031
18076         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
18077         * c-lang.c (finish_file): Don't do it here.
18078         * objc/objc-act.c (objc_finish_file): Likewise.
18079
18080         * cgraph.c (decl_assembler_name_equal): New.
18081         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
18082         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
18083         * cgraph.h (struct cgraph_varpool_node): Add next.
18084         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
18085         * varasm.c (assemble_alias): Mark the target as needed.
18086
18087 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
18088
18089         PR middle-end/19221
18090         * function.c (get_arg_pointer_save_area): Use entry_of_function
18091         instead of get_insns.
18092
18093 2005-01-01  Roger Sayle  <roger@eyesopen.com>
18094             Andrew Pinski  <pinskia@physics.uc.edu>
18095             James E. Wilson  <wilson@specifixinc.com>
18096
18097         PR rtl-optimization/12092
18098         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
18099         is zero.
18100
18101 2005-01-01  Roger Sayle  <roger@eyesopen.com>
18102             Olivier Hainque  <hainque@act-europe.fr>
18103
18104         * tree.c (int_fits_type_p): A narrower type always fits in a
18105         wider one, except for negative values into unsigned types.
18106
18107 2005-01-01  Roger Sayle  <roger@eyesopen.com>
18108
18109         * tree.c (int_fits_type_p): Compare the result of force_fit_type
18110         with the original constant rather than require TREE_OVERFLOW.
18111
18112 2005-01-01  Steven Bosscher  <stevenb@suse.de>
18113
18114         PR middle-end/17544
18115         * c-decl.c (finish_function): If compiling C99, annotate the
18116         compiler generated return with the current file name and line 0.
18117         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
18118         the source line is greater than 0.
18119         (remove_bb): Likewise.