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* config/i386/sse.md (mulv4si3): Use all register inputs.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-05-19  Richard Henderson  <rth@redhat.com>
2
3         * config/i386/sse.md (mulv4si3): Use all register inputs.
4         (mulv2di3): Likewise.
5
6 2005-05-19  Richard Guenther  <rguenth@gcc.gnu.org>
7
8         * tree-ssa-loop-ivopts.c (determine_base_object): Use
9         build_fold_addr_expr to generate trees of correct type.
10         Use fold_buildN if possible.
11
12 2005-05-19  Jan Hubicka  <jh@suse.cz>
13
14         * basic-block.h (REG_BR_PROB_BASE): Define.
15         * cgraph.c (cgraph_create_edge): Initialize loop_nest and count.
16         (dump_cgraph_node): Dump count.
17         (cgraph_clone_edge): Rescale counts.
18         (cgraph_clone_node): Likewise.
19         * cgraph.h: Include basic-block.h
20         (cgraph_node): Add count.
21         (cgraph_edge): Add count and loop_nest.
22         (cgraph_node, cgraph_edge, cgraph_clone_edge, cgraph_clone_node):
23         Update prototypes.
24         * cgraphunit.c: Kill now redundant inlining comment.
25         (cgraph_create_edges): Make static, maintain current basic block;
26         fix pasto.
27         (record_call_1): Fill in new fields.
28         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
29         cgraph_clone_node.
30         (cgraph_decide_recursive_inlining): Likewise.
31         * rtl.h (REG_BR_PROB_BASE): Kill.
32         * tree-inline.c (copy_body_r): Update call of cgraph_clone_edge.
33         (expand_call_inline): Update call of cgraph_create_edge.
34         * tree-optimize.c (tree_rest_of_compilation): Likewise.
35
36 2005-05-19  Nick Clifton  <nickc@redhat.com>
37
38         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Use the
39         new rs6000_explicit_options structure.
40
41 2005-05-19  Richard Henderson  <rth@redhat.com>
42
43         PR target/21390
44         * config/alpha/alpha.c (alpha_emit_conditional_branch): Move 
45         TFmode code swapping ...
46         (alpha_emit_xfloating_compare): ... here.
47         (alpha_emit_setcc): Update to match.
48         (alpha_lookup_xfloating_lib_func): Assert TARGET_HAS_XFLOATING_LIBS.
49
50 2005-05-19  Richard Henderson  <rth@redhat.com>
51
52         PR target/21657
53         * config/ia64/ia64.c (ia64_expand_tls_address): Remove extra
54         memory indirection in local-dynamic case.
55
56 2005-05-18  Jie Zhang  <jie.zhang@analog.com>
57             Bernd Schmidt  <bernd.schmidt@analog.com>
58
59         * config/bfin/bfin.c (branch_dest): Add comment why it's
60         necessary.
61         * config/bfin/bfin.md (attr "length" default): Change the offset of
62         forward conditional branch of length 4 from 4096 to 4092.
63
64 2005-05-19  Jan Beulich  <jbeulich@novell.com>
65
66         * unwind-compat.c: Include tconfig.h and tsystem.h.
67         * unwind-dw2-fde-compat.c: Likewise.
68
69 2005-05-18  Richard Henderson  <rth@redhat.com>
70
71         PR 21541
72         * ifcvt.c (noce_process_if_block): Avoid conversion when the
73         memory destination is readonly.
74
75 2005-05-18  Richard Henderson  <rth@redhat.com>
76
77         PR 21541
78         * tree-ssa-operands.c (opf_non_specific): New.
79         (get_asm_expr_operands): Set it.
80         (add_call_clobber_ops, add_call_read_ops): Likewise.
81         (add_stmt_operand): Test it instead of opf_kill_def when
82         considering unmodifiable variables.
83
84         * tree-ssa-operands.c (get_expr_operands): Fix exact test.
85
86 2005-05-19  Kazu Hirata  <kazu@cs.umass.edu>
87
88         * cfgexpand.c, tree-cfg.c, tree-inline.c, tree-optimize.c,
89         tree-ssa-forwprop.c: Fix comment typos.
90         * doc/invoke.texi: Fix a typo.
91
92 2005-05-18  Richard Henderson  <rth@redhat.com>
93
94         * config.gcc (powerpc-*-linux*): Include linux64.opt when
95         including linux64.h.
96
97 2005-05-18  Richard Henderson  <rth@redhat.com>
98
99         * tree-cfg.c (pass_remove_useless): Revert last change.
100         * tree-optimize.c (init_tree_optimization_passes): Initialize
101         all_lowering_passes with PROP_gimple_any.
102
103 2005-05-18  Devang Patel  <dpatel@apple.com>
104
105         * config/rs6000/rs6000.md (insvsi_internal1): Subtract shift from
106         the mask end.
107         
108 2005-05-18  Richard Henderson  <rth@redhat.com>
109
110         * tree-ssa-forwprop.c (cfg_changed): New.
111         (tidy_after_forward_propagate_addr): New.
112         (forward_propagate_addr_expr): Use it, and fold_stmt_inplace.
113         (forward_propagate_addr_into_variable_array_index): Likewise.
114         (tree_ssa_forward_propagate_single_use_vars): Cleanup cfg if
115         edges were removed.
116
117 2005-05-18  Geoffrey Keating  <geoffk@apple.com>
118
119         * dummy-checksum.c: New.
120         * genchecksum.c: New.
121         * c.opt (print_pch_checksum): New flag.
122         * c-pch.c (struct c_pch_validity): Make much shorter.
123         (no_checksum): New.
124         (host_machine): Remove.
125         (target_machine): Remove.
126         (get_ident): Change PCH version number.
127         (pch_init): When -fverbose-asm, print out the compiler fingerprint.
128         Don't put triplets or version string in PCH validity data.
129         Do put the compiler checksum in the validity data.
130         (c_common_valid_pch): Don't check triplets or version string.  Do
131         check checksum.
132         (c_common_print_pch_checksum): New.
133         * c-opts.c (c_common_handle_option): Add OPT_print_pch_checksum.
134         Print fingerprint with -v.
135         * c-common.h (c_common_print_pch_checksum): New.
136         (executable_checksum): New.
137         * Makefile.in (STAGEMOVESTUFF): Add cc1*-dummy, *-checksum.c.
138         (cc1-dummy): New rule.
139         (cc1-checksum.c): New rule.
140         (cc1-checksum.o): New rule.
141         (cc1): Add checksum support.
142         (build/genchecksum): New.
143         (build/genchecksum.o): New.
144         (dummy-checksum.o): New.
145         (genobjnames): Add genchecksum.o.
146         (mostlyclean): Remove *-checksum.c.
147         (gnucompare): Add libgcc to list of directories checked.
148         Make comparison problems in libgcc/ and with checksum files only
149         be warnings.
150         * doc/invoke.texi (Precompiled Headers): Remove caution.
151         Document that it must be the exact same binary.  Add a few
152         known-safe flags to the list.
153
154         * rs6000/predicates.md (fix_trunc_dest_operand): New.
155         * rs6000/rs6000.md (fix_truncdfsi2): Use fix_trunc_dest_operand.
156         Check that a memory operand is valid before trying to use it.
157         
158         * tree-cfg.c (pass_remove_useless): This pass works on trees.
159
160 2005-05-18  Richard Guenther  <rguenth@gcc.gnu.org>
161
162         * tree.c (build1_stat): Don't try to handle two-operand
163         tree codes.
164
165 2005-05-18  Richard Sandiford  <rsandifo@redhat.com>
166
167         * config.gcc (sh*-*-*): Define SUPPORT_* macros to 1.
168         * config/sh/sh.h: Update mask names throughout.
169         (target_flags, ISIZE_BIT, DALIGN_BIT, SH1_BIT, SH2_BIT, SH3_BIT)
170         (SH_E_BIT, HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, SH4A_BIT, FMOVD_BIT)
171         (SH5_BIT, SPACE_BIT, BIGTABLE_BIT, RELAX_BIT, USERMODE_BIT)
172         (HITACHI_BIT, NOMACSAVE_BIT, PREFERGOT_BIT, PADSTRUCT_BIT)
173         (LITTLE_ENDIAN_BIT, IEEE_BIT, SAVE_ALL_TR_BIT, HARD_SH2A_BIT)
174         (HARD_SH2A_DOUBLE_BIT, INDEXED_ADDRESS_BIT, PT_FIXED_BIT)
175         (INVALID_SYMBOLS_BIT, ADJUST_UNROLL_BIT, TARGET_DUMPISIZE)
176         (TARGET_ALIGN_DOUBLE, TARGET_SH1, TARGET_SH2, TARGET_SH3)
177         (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH5, TARGET_FMOVD)
178         (TARGET_IEEE, TARGET_SMALLCODE, TARGET_BIGTABLE, TARGET_RELAX)
179         (TARGET_HITACHI, TARGET_NOMACSAVE, TARGET_PADSTRUCT)
180         (TARGET_LITTLE_ENDIAN, TARGET_USERMODE, TARGET_PREFERGOT)
181         (TARGET_SAVE_ALL_TARGET_REGS, TARGET_ALLOW_INDEXED_ADDRESS)
182         (TARGET_PT_FIXED, TARGET_INVALID_SYMBOLS, TARGET_ADJUST_UNROLL)
183         (TARGET_SWITCH_SH1, TARGET_SWITCH_SH2, TARGET_SWITCH_SH2E)
184         (TARGET_SWITCH_SH2A, TARGET_SWITCH_SH2A_SINGLE_ONLY)
185         (TARGET_SWITCH_SH2A_SINGLE, TARGET_SWITCH_SH2A_NOFPU)
186         (TARGET_SWITCH_SH3, TARGET_SWITCH_SH3E, TARGET_SWITCH_SH4_SINGLE_ONLY)
187         (TARGET_SWITCH_SH4_SINGLE, TARGET_SWITCH_SH4_NOFPU, TARGET_SWITCH_SH4)
188         (TARGET_SWITCH_SH4A, TARGET_SWITCH_SH4A_SINGLE_ONLY)
189         (TARGET_SWITCH_SH4A_SINGLE, TARGET_SWITCH_SH4A_NOFPU)
190         (TARGET_SWITCH_SH4AL, TARGET_SWITCH_SH5_64MEDIA)
191         (TARGET_SWITCH_SH5_64MEDIA_NOFPU, TARGET_SWITCHES_SH5_32MEDIA)
192         (TARGET_SWITCHES_SH5_32MEDIA_NOFPU, TARGET_SWITCH_SH5_32_ANY_EXTRA)
193         (TARGET_SWITCH_SH5_MEDIA_ANY_EXTRA, TARGET_SWITCHES)
194         (SUBTARGET_SWITCHES): Delete.
195         (TARGET_SH2E, TARGET_SH2A, TARGET_SH2A_SINGLE, TARGET_SH2A_DOUBLE)
196         (TARGET_SH3E, TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARVARD)
197         (TARGET_FPU_DOUBLE, TARGET_SH4A_ARCH, TARGET_SHMEDIA32)
198         (TARGET_SHMEDIA64): Redefine using other TARGET_* macros.
199         (TARGET_SH4): Undefine options.h definition and check MASK_SH1 as well.
200         (SUPPORT_SH1, SUPPORT_SH2E, SUPPORT_SH4, SUPPORT_SH4_SINGLE)
201         (SUPPORT_SH2A, SUPPORT_SH2A_SINGLE): Make numeric.
202         (SUPPORT_SH2): Define to 1 if SUPPORT_SH1.
203         (SUPPORT_SH3): Likewise SUPPORT_SH2.
204         (SUPPORT_SH4_NOFPU): Likewise SUPPORT_SH3.
205         (SUPPORT_SH4A_NOFPU, SUPPORT_SH4AL, SUPPORT_SH2A_NOFPU): Likewise
206         SUPPORT_SH4_NOFPU.
207         (SUPPORT_SH3E): Likewise SUPPORT_SH2E.
208         (SUPPORT_SH4_SINGLE_ONLY, SUPPORT_SH4A_SINGLE_ONLY)
209         (SUPPORT_SH2A_SINGLE_ONLY): Likewise SUPPORT_SH3E.
210         (SUPPORT_SH4A): Likewise SUPPORT_SH4.
211         (SUPPORT_SH4A_SINGLE): Likewise SUPPORT_SH4_SINGLE.
212         (SUPPORT_SH5_32MEDIA): Likewise SUPPORT_SH5_COMPACT.
213         (SUPPORT_SH5_32MEDIA_NOFPU): Likewise SUPPORT_SH5_COMPACT_NOFPU.
214         (SUPPORT_ANY_SH5_32MEDIA, SUPPORT_ANY_SH5_64MEDIA)
215         (SUPPORT_ANY_SH5): New macros.
216         (TARGET_NONE): Replace with...
217         (MASK_ARCH): ...this new macro.
218         * config/sh/elf.h: Update mask names
219         * config/sh/linux.h: Likewise.
220         * config/sh/little.h: Likewise.
221         * config/sh/netbsd-elf.h: Likewise.
222         * config/sh/symbian-pre.h: Likewise.
223         * config/sh/sh.c (sh_handle_option): New function.
224         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
225         (calc_live_regs): Use MASK_FPU_SINGLE instead of FPU_SINGLE_BIT.
226         (sh_target_switches, target_switches): Delete.
227         (sh_pch_valid_p): Check for specific differences in the target_flags
228         settings.
229         (sh_init_cumulative_args): Use MASK_HITACHI instead of HITACHI_BIT.
230         * config/sh/sh.opt: New file.
231
232 2005-05-18  Richard Henderson  <rth@redhat.com>
233
234         PR target/21632
235         * config/ia64/ia64.c (ia64_extra_constraint) <'T'>: Use
236         small_addr_symbolic_operand.
237
238 2005-05-18  Jeff Law  <law@redhat.com>
239
240         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Do not
241         propagate an ADDR_EXPR if the definition and use sites are
242         in different EH regions.
243
244 2005-05-18  Ian Lance Taylor  <ian@airs.com>
245
246         * read-rtl.c (mode_attr_index): Use obstack_grow0, not
247         obstack_grow.
248
249 2005-05-18  Daniel Berlin  <dberlin@dberlin.org>
250
251         * cfgrtl.c (purge_dead_edges): Don't remove fake edges.
252
253 2005-05-18  Daniel Berlin  <dberlin@dberlin.org>
254         
255         Fix PR tree-optimization/21407
256
257         * tree-ssa-operands.c (note_addressable): Change
258         COMPONENT_REF handling in response to aliasing
259         discussion.
260
261 2005-05-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
262
263         * config/sparc/sol2.h (TARGET_DEFAULT): Add back MASK_APP_REGS.
264         * config/sparc/sol2-64.h (TARGET_DEFAULT): Likewise.
265         * config/sparc/sp-elf.h (TARGET_DEFAULT): Delete.
266         * doc/invoke.texi (SPARC options): Document that -mapp-regs is
267         the default on Solaris too.
268
269 2005-05-17  Daniel Berlin  <dberlin@dberlin.org>
270
271         * tree-ssa-pre.c (find_or_generate_expression): CALL_EXPR
272         is okay too.
273
274 2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
275
276         * timevar.def (TV_SCEV_CONST): New timevar.
277         * tree-optimize.c (init_tree_optimization_passes): Add
278         pass_scev_cprop.
279         * tree-pass.h (pass_scev_cprop): Declare.
280         * tree-scalar-evolution.c (scev_const_prop): New function.
281         * tree-scalar-evolution.h (scev_const_prop): Declare.
282         * tree-ssa-loop.c (gate_scev_const_prop, pass_scev_cprop):
283         New.
284         * tree-cfg.c (replace_uses_by): Export.
285         * tree-flow.h (replace_uses_by): Declare.
286
287 2005-05-17  Mike Stump  <mrs@apple.com>
288
289         Yet more Objective-C++...
290
291         * c-common.h (objc_finish_try_stmt): Add.
292         (objc_build_synchronized): Add.
293         (objc_generate_write_barrier): Add.
294         * stub-objc.c (objc_build_synchronized): Add return value.
295         (objc_finish_try_stmt): Likewise.
296         (objc_generate_write_barrier): Add.
297
298         * c-common.h (objc_rewrite_function_call): Add.
299         * c-typeck.c (build_function_call): Allow objc to rewrite
300         FUNCTION_DECLs.
301         (build_modify_expr): Allow objc to generate write barriers.
302         * c.opt (Wassign-intercept): Add.
303         (Wstrict-selector-match): Add.
304         (fobjc-call-cxx-cdtors): Add.
305         (fobjc-direct-dispatch): Add.
306         (fobjc-gc): Add.
307         * dbxout.c (get_lang_number): Add Objective-C++ support.
308         * doc/invoke.texi (-fobjc-call-cxx-cdtors): Likewise.
309         (-Wstrict-selector-match): Likewise.
310         (-fobjc-direct-dispatch): Likewise.
311         (-Wassign-intercept): Likewise.
312         (Overall Options): Likewise.
313         * gengtype.c (get_output_file_with_visibility): Likewise.
314         * stub-objc.c (objc_rewrite_function_call): Add.
315         * config/darwin.h (ASM_OUTPUT_LABELREF): Improved quoting support.
316
317         * c-common.c (flag_objc_exceptions): Remove.
318         (flag_objc_sjlj_exceptions): Remove.
319         * c-decl.c (objc_mark_locals_volatile): Don't change decls
320         that are already ok.
321         * c-opts.c (c_common_handle_option, case
322         OPT_fobjc_exceptions): Remove.
323         (case OPT_fobjc_sjlj_exceptions): Remove
324         * c.opt (fobjc-call-cxx-cdtors): Have opt create the flag.
325         (fobjc-exceptions): Likewise.
326         (fobjc-sjlj-exceptions): Likewise.
327         * config/rs6000/darwin.h (OFFS_MSGSEND_FAST): Add.
328         (OFFS_ASSIGNIVAR_FAST): Add.
329         
330 2005-05-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
331
332         * config/sparc/sparc.md (movhi): Do not test constness
333         of operand #1 twice.
334         (movsi): Likewise.
335         (movdi): Unconditionally accept zero as second operand
336         when the first is memory.
337         (movdi_insn_sp32): Handle above case.
338         (DImode splitter): Use predicates.
339         (DImode splitter): Use const_zero_operand predicate.
340         (movsf_insn): Swap 2 alternatives.
341
342 2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
343
344         * tree-ssa-loop-ivopts.c (find_bivs, find_givs_in_stmt_scev): Apply
345         expand_simple_operations to bases of the ivs.
346         (tree_int_cst_sign_bit): Export.
347         * tree-flow.h (expand_simple_operations): Declare.
348         * tree-ssa-loop-niter.c (number_of_iterations_cond): Use
349         tree_int_cst_sign_bit.
350         (expand_simple_operations): Export.
351         * tree.h (tree_int_cst_sign_bit): Declare.
352
353 2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
354
355         * tree-cfg.c (tree_can_merge_blocks_p): Allow phi nodes in the
356         merged block.
357         (replace_uses_by): New function.
358         (tree_merge_blocks): Eliminate the phi nodes in the merged block.
359         * tree-flow.h (fold_stmt_inplace): Declare.
360         * tree-ssa-ccp.c (fold_stmt_inplace): New function.
361         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update dominance
362         info after cfg cleanup.
363
364 2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
365
366         * cfgloop.h (just_once_each_iteration_p): Declaration changed.
367         * cfgloopanal.c (just_once_each_iteration_p): Make the loop argument
368         const.
369
370 2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
371
372         * ggc-page.c (ggc_alloc_stat): Record amount of memory allocated.
373         * ggc-zone.c (ggc_alloc_zone_1): Ditto.
374         * timevar.c (timevar_ggc_mem_total): New variable.
375         (GGC_MEM_BOUND): New constant.
376         (get_time): Record ggc memory status.
377         (timevar_accumulate): Accumulate amount of ggc memory.
378         (timevar_print): Print consumption of ggc memory.
379         * timevar.def (TV_FIND_REFERENCED_VARS, TV_TREE_REDPHI,
380         TV_TREE_LOOP_BOUNDS, TV_TREE_LOOP_IVCANON, TV_TREE_VECTORIZATION,
381         TV_TREE_LINEAR_TRANSFORM): Shorten strings to fit in 22 characters.
382         * timevar.h (struct timevar_time_def): Add ggc_mem field.
383         (timevar_ggc_mem_total): Declare.
384
385 2005-05-17  Kazu Hirata  <kazu@cs.umass.edu>
386
387         * tree-into-ssa.c (update_ssa): Clean up by shortening the
388         live range of DFS.
389
390 2005-05-17  Hans-Peter Nilsson  <hp@axis.com>
391
392         * config/cris/cris.md (ncond, ocode, rcond): Remove separate
393         define_code_attr.
394         ("b<ncond:code>", "b<ocond:code>", "b<rcond:code>")
395         ("*b<ncond:code>_reversed", "*b<ocond:code>_reversed")
396         ("*b<rcond:code>_reversed", "s<ncond:code>", "s<rcond:code>")
397         ("s<ocond:code>"): Rename from respectively "b<ncond>",
398         "b<ocond>", "b<rcond>", ("*b<ncond>_reversed",
399         "*b<ocond>_reversed", "*b<rcond>_reversed", "s<ncond>",
400         "s<rcond>" and "s<ocond>".
401         ("b<ocond:code>", "*b<ocond:code>_reversed")
402         ("*b<rcond:code>_reversed"): Remove extraneous backslashes in
403         output statement section.
404
405 2005-05-17  Roger Sayle  <roger@eyesopen.com>
406
407         * c-typeck.c (common_type): Also handle BOOLEAN_TYPEs.
408
409 2005-05-17  Steven Bosscher  <stevenb@suse.de>
410             Stuart Hastings <stuart@apple.com>
411             Jan Hubicka  <jh@suse.cz>
412             Dale Johannesen  <dalej@apple.com>
413
414         * cgraph.h (cgraph_node): Add 'lowered' state.
415         (cgraph_lower_function): Declare.
416         * cgraphunit.c (cgraph_finalize_function): Initialize lowered flag.
417         (cgraph_lower_function): New function.
418         (cgraph_create_edges): Deal with lowered function bodies.
419         (verify_cgraph_node): Likewise.
420         (cgraph_analyze_function): Do lowering job.
421         (cgraph_build_static_cdtor): Likewise.
422         * function.h (struct function): Add saved_eh and saved_cfg.
423         * integrate.c (copy_decl_for_inlining): Kill LABEL_DECL_UID field.
424         * tree-cfg.c (fold_cond_expr_cond): Export.
425         * tree-flow.h (fold_cond_expr_cond): Declare.
426         * tree-inline.c: Include basic-block, ggc, tree-flow, except.h and
427         pointer-set.
428         (struct_inline_data): Kill fnd, first_inlined_fn, ret_label,
429         in_target_cleanup_p, tree_pruner, tsi; add callee, caller and
430         callee_cfun, block, eh_region, eh_region_offset.
431         (inlining_p): New predicate.
432         (remap_decl): Update for new inline_data; declare newly created inline
433         vars in low gimple way.
434         (copy_body_r): Update for new datastructure, simplify some of handling
435         when we are in gimple; remap LABEL_DECLs for EH; copy TREE_BLOCK;
436         deal with RESX_EXPRs.
437         (copy_bb): New.
438         (copy_edges_for_bb): Likewise.
439         (remap_decl_1): New.
440         (copy_cfg_body): New.
441         (copy_generic_body): Rewrite to work on low gimple.
442         (copy_body): Turn into simple wrapper around copy_cfg_body.
443         (setup_one_parameter): Insert new statements into given basic block.
444         (initialize_initialized_parameters): Likewise, reorganize way things are
445         gimplified.
446         (declare_return_variable): Update for new inline data datastructure.
447         (inline_forbidden_p): Work on low gimple.
448         (estimate_num_insns): Likewise.
449         (expand_call_inline): Work on CFG.
450         (push_cfun, pop_cfun): New functions.
451         (cfun_stack): New stack.
452         (add_lexical_block): New function.
453         (gimple_expand_calls_inline): Work on basic block.
454         (optimize_inline_calls): Likewise.
455         (clone_body, save_body, unsave_ewpr_now): Update for new
456         datastructures.
457         (declare_inline_vars): Work on block instead of bind_expr.
458         (inlining_p): New predicate.
459         * tree-inline.h (push_cfun, pop_cfun): Declare.
460         * tree-optimize.c: Include except.h
461         (all_lowering_passes): New variable.
462         (execute_fixup_cfg, pass_fixup_cfg): New pass.
463         (init_tree_optimization_passes): Move some to all_lowering_passes.
464         (tree_lowering_passes): New function.
465         (tree_rest_of_compilation): Register cfg hooks; save/unsave eh.
466         * tree-pass.h (tree_lowering_passes): Declare
467
468 2005-05-17  Nathan Sidwell  <nathan@codesourcery.com>
469
470         * unwind-dw2-fde-darwin.c: Include tsystem.h.
471
472 2005-05-17  Jeff Law  <law@redhat.com>
473
474         * Makefile.in (tree-ssa-forwprop.o): Depend on langhooks.h.
475         * tree-ssa-forwprop.c: Include langhooks.h.
476         (forward_propagate_addr_expr_into_variable_array_index): New.
477         (forward_propagate_addr_expr): New.
478         (tree_ssa_forward_propagate_single_use_vars): Loop over all
479         the statements in the block instead of just the last statement.
480         Call forward_propagate_addr_expr as needed.
481         (pass_forwprop): Update the SSA graph after forward propagation is
482         complete.
483
484 2005-05-17  Nathan Sidwell  <nathan@codesourcery.com>
485
486         * unwind-dw2-fde-glibc.c (base_from_cb_data,
487         _Unwind_IteratePhdrCallback): Use gcc_assert and gcc_unreachable as
488         appropriate.
489         * unwind-dw2-fde.c (__deregister_frame_info_bases,
490         base_from_object, fde_split, end_fde_sort): Likewise.
491         * unwind-dw2.c (_Unwind_GetGR, _Unwind_SetGR, execute_stack_op, 
492         execute_cfa_program, _Unwind_SetSpColumn, uw_update_context_1,
493         uw_init_context_1): Likewise.
494         * unwind.inc (_Unwind_RaiseException_Phase2, _Unwind_Resume,
495         _Unwind_Resume_or_Rethrow): Likewise.
496         * unwind-pe.h (__gxx_abort): Do not define.
497         (size_of_encoded_value, base_of_encoded_value,
498         read_encoded_value_with_base): Use gcc_unreachable.
499         * unwind.h (_Unwind_GetTextRelBase): Likewise.
500
501 2005-05-17  Daniel Jacobowitz  <dan@codesourcery.com>
502
503         * config/arm/lib1funcs.asm (cfi_pop, cfi_push, cfi_start)
504         (cfi_end): New macros.
505         (RETLDM): Use cfi_pop.  Expect an eight byte stack frame.
506         (ARM_LDIV0, THUMB_LDIV0, DIV_FUNC_END): Use CFI macros.  Create
507         an eight byte stack frame.
508         (__NR_tkill): Define.
509         (__div0): Use gettid tkill on GNU/Linux.
510         (_arm_return): Add CFI.
511         (Lchange_\register, .Lchange_lr): Create an eight byte stack frame.
512
513 2005-05-17  Daniel Jacobowitz  <dan@codesourcery.com>
514
515         * configure.ac: Remove spaces around assignment to
516         gcc_cv_ld_sysroot.
517         * configure: Regenerated.
518
519 2005-05-17  David Edelsohn  <edelsohn@gnu.org>
520
521         * config/rs6000/aix.h (TARGET_ALTIVEC_VRSAVE): Delete.
522         * config/rs6000/rs6000.c (rs6000_explicit_options): Add
523         aix_struct_ret.
524         (rs6000_override_options): Do not protect TARGET_ALTIVEC_VRSAVE.
525         Modify aix_struct_return variable, not target_flags.
526         (rs6000_handle_option): Do not protect TARGET_ALTIVEC_VRSAVE.
527         (rs6000_return_in_memory): Test aix_struct_return.
528         * config/rs6000/rs6000.opt (maix-struct-return): Convert to
529         independent variable.  Report mxl-compat.
530
531 2005-05-17  Bernd Schmidt  <bernd.schmidt@analog.com>
532
533         * config/bfin/bfin.md (eh_return): Add missing DONE.
534
535 2005-05-17  Ian Lance Taylor  <ian@airs.com>
536
537         * read-rtl.c (struct macro_traverse_data): Add unknown_mode_attr
538         field.
539         (mode_attr_index): Remove check for defined attribute.  Remove
540         infile parameter.  Change all callers.
541         (apply_mode_maps): Add unknown parameter.  Change caller.  Always
542         return after finding attribute.
543         (apply_macro_to_rtx): Add unknown_mode_attr parameter.  Change
544         callers.
545         (apply_macro_traverse): Set mtd->unknown_mode_attr.
546         (read_rtx): Use mtd.unknown_mode_attr to check for an undefined
547         attribute used for a mode.
548
549 2005-05-17  Paolo Bonzini  <bonzini@gnu.org>
550
551         * tree-ssa-math-opts.c: New file.
552
553 2005-05-17  Paolo Bonzini  <bonzini@gnu.org>
554
555         * Makefile.in: Add tree-ssa-math-opts.c.
556         * expr.c (expand_expr_real_1) <case RDIV_EXPR>: Never emit as a*(1/b).
557         * fold-const.c (distribute_real_division): New.
558         (fold_binary) <case PLUS_EXPR, case MINUS_EXPR>: Use it.
559         * tree-pass.h (pass_cse_reciprocals): New.
560         * tree-optimize.c (init_tree_optimization_passes): Run it.
561         * doc/passes.texi: Document the new pass.
562
563 2005-05-17  Richard Guenther  <rguenth@gcc.gnu.org>
564
565         PR middle-end/21595
566         * builtins.c (fold_builtin_constant_p): Handle
567         &"string cst"[0] as constant.
568
569 2005-05-17  Richard Henderson  <rth@redhat.com>
570
571         * config/i386/sse.md (mulv16qi3, mulv2di3): New.
572
573 2005-05-17  Jakub Jelinek  <jakub@redhat.com>
574
575         PR middle-end/21492
576         * cfgcleanup.c (try_crossjump_to_edge): update_forwarder_flag for
577         src2 if src2 has been split.
578
579         PR tree-optimization/21610
580         * c-typeck.c (decl_constant_value_for_broken_optimization): If not
581         returning DECL, call unshare_expr.
582
583 2005-05-17  Hans-Peter Nilsson  <hp@axis.com>
584
585         * config/cris/cris.md: Unquote preparation and output statements.
586         (BWD, WD, BW): New, mode-macros.
587         (S, s, m, mm, nbitsm1): New, mode-attrs.
588         (szext, shift, shiftrt, ncond, ocond, rcond): New, code-macros.
589         (u, su, shlr, slr, ncond, ocond, rcond, rCC, oCC, roCC): New,
590         code-attrs.
591         ("tst<mode>"): Replace "tstqi", "tsthi" and "tstsi".
592         ("*cmp_ext<mode>"): Replace "*cmp_extsi" and "*cmp_exthi".
593         ("*cmp_swapext<mode>"): Replace "*cmp_swapextqi" and
594         "*cmp_swapexthi".
595         ("cmp<mode>"): Replace "cmphi" and "cmpqi".
596         ("movdi"): Move misplaced head comment regarding necessity of
597         movdi from movsi to here.
598         ("*mov_side<mode>_biap"): Replace "*mov_sideqi_biap" and
599         "*mov_sidehi_biap".
600         ("*mov_side<mode>"): Replace "*mov_sideqi" and "*mov_sidehi".
601         ("*mov_side<mode>_biap_mem", "*mov_sidehi_biap_mem"): Replace
602         "*mov_sideqi_biap_mem".
603         ("*mov_side<mode>_mem"): Replace "*mov_sideqi_mem" and
604         "*mov_sidehi_mem".
605         ("*clear_side<mode>_biap"): Replace "*clear_sidesi_biap",
606         "*clear_sidehi_biap" and "*clear_sideqi_biap".
607         ("*clear_side<mode>"): Replace "*clear_sidesi", "*clear_sidehi"
608         and "*clear_sideqi".
609         ("*ext_side<mode>si_biap"): Replace "*ext_sideqisi_biap" and
610         "*ext_sidehisi_biap".
611         ("*ext_side<mode>si"): Replace "*ext_sideqisi" and
612         "*ext_sidehisi".
613         ("reload_in<mode>"): Replace "reload_inhi" and "reload_inqi".
614         ("reload_out<mode>"): Replace "reload_outhi" and "reload_outqi".
615         ("extend<mode>di2"): Replace "extendhidi2" and "extendqidi2".
616         ("extend<mode>si2"): Replace "extendhisi2" and "extendqisi2".
617         ("zero_extend<mode>si2"): Replace "zero_extendhisi2" and
618         "zero_extendqisi2".
619         ("*op_side<mode>_biap"): Replace "*op_sideqi_biap",
620         "*op_sidehi_biap" and "*op_sidesi_biap".
621         ("*op_side<mode>"): Replace "*op_sideqi", "*op_sidehi" and
622         "*op_sidesi".
623         ("*op_swap_side<mode>_biap"): Replace "*op_swap_sideqi_biap",
624         "*op_swap_sidehi_biap" and "*op_swap_sidesi_biap".
625         ("*op_swap_side<mode>"): Replace "*op_swap_sideqi",
626         "*op_swap_sidehi" and "*op_swap_sidesi".
627         ("sub<mode>3"): Replace "subhi3" and "subqi3", correcting a typo
628         in the N alternative of "subqi3".
629         ("*extop<mode>si_side_biap"): Replace "*extopqisi_side_biap" and
630         "*extophisi_side_biap".
631         ("*extop<mode>si_side"): Replace "*extopqisi_side" and
632         "*extophisi_side".
633         ("*extop<mode>si_swap_side_biap"): Replace
634         "*extopqisi_swap_side_biap" and "*extophisi_swap_side_biap".
635         ("*extop<mode>si_swap_side"): Replace "*extopqisi_swap_side" and
636         "*extophisi_swap_side".
637         ("*extop<mode>si"): Replace "*extopqisi" and "*extophisi".
638         ("*extop<mode>si_swap"): Replace "*extopqisi_swap" and
639         "*extophisi_swap".
640         ("<u>mul<s><mode>3"): Replace "umulhisi3", "umulqihi3",
641         "mulqihi3", "mulhisi3" and "mulhisi3".
642         ("<u>mulsidi3"): Replace "mulsidi3" and "umulsidi3".
643         ("<su>mulsi3_highpart"): Replace "smulsi3_highpart" and
644         "umulsi3_highpart".
645         ("xor<mode>3"): Replace "xorhi3" and "xorqi3".
646         ("neg<mode>2"): Replace "negsi2", "neghi2" and "negqi2".
647         ("one_cmpl<mode>2"): Replace "one_cmplhi2" and "one_cmplqi2".
648         ("<shlr>si3"): Replace "ashrsi3", "lshrsi3" and "ashlsi3".
649         ("ashr<mode>3"): Replace "ashrhi3" and "ashrqi3".
650         ("*expanded_<shlr><mode>"): Replace "*expanded_ashrhi",
651         "*expanded_ashrqi", "*expanded_lshrhi" and "*expanded_lshrqi".
652         ("*<shlr><mode>_lowpart"): Replace "*ashrhi_lowpart",
653         "*ashrqi_lowpart", "*lshrhi_lowpart" and "*lshrqi_lowpart".
654         ("lshr<mode>3"): Replace "lshrhi3" and "lshrqi3".
655         ("ashl<mode>3"): Replace "ashlhi3" and "ashlqi3".
656         ("*ashl<mode>_lowpart"): Replace "*ashlqi_lowpart" and
657         "*ashlhi_lowpart".
658         ("abs<mode>2"): Replace "abshi2" and "absqi2".
659         ("b<ncond>"): Replace "beq", "bne", "bgtu", "bltu", "bgeu" and
660         "bleu".
661         ("b<ocond>"): Replace "bgt" and "ble".
662         ("b<rcond>"): Replace "blt" and "bge".
663         ("*b<ncond>_reversed"): Replace "*beq_reversed", "*bne_reversed",
664         "*bgtu_reversed", "*bltu_reversed", "*bgeu_reversed" and
665         "*bleu_reversed".
666         ("*b<ocond>_reversed"): Replace "*bgt_reversed" and
667         "*ble_reversed".
668         ("*b<rcond>_reversed"): Replace "*blt_reversed" and
669         "*blt_reversed".
670         ("s<ncond>"): Replace "sgeu", "sltu", "seq", "sgtu", "sleu" and
671         "sne".
672         ("s<rcond>"): Replace "sge" and "slt".
673         ("s<ocond>"): Replace "sgt" and "sle".
674         ("clear.[bwd] [rx=rx+rz.S2]"): Replace split clear.d
675         [rx=rx+rz.S2], clear.w [rx=rx+rz.S2] and clear.b [rx=rx+rz.S2].
676         ("clear.[bwd] [rx=rx+i]"): Replace splits clear.d [rx=rx+i],
677         clear.w [rx=rx+i] and clear.b [rx=rx+i].
678
679 2005-05-17  Jakub Jelinek  <jakub@redhat.com>
680
681         * varasm.c (struct constant_descriptor_tree): Add hash field.
682         (const_desc_hash): Just return hash field.
683         (const_desc_eq): If hash values are different, return 0 immediately.
684         (output_constant_def): Compute hash field of temporary key, use
685         htab_find_slot_with_hash instead of htab_find_slot.  Set hash in
686         newly built constant descriptor.
687         (lookup_constant_def): Compute hash field of temporary key, use
688         htab_find_with_hash instead of htab_find.
689
690 2005-05-16  Richard Henderson  <rth@redhat.com>
691
692         * config/i386/sse.md (mulv4si3): New.
693
694 2005-05-17  Hans-Peter Nilsson  <hp@axis.com>
695
696         * config/cris/cris.h (EXTRA_CONSTRAINT_T): Remove FIXME and
697         tests for noncanonical versions of reg+constant and
698         reg+reg*{1,2,4}.
699
700 2005-05-16  Richard Henderson  <rth@redhat.com>
701             Steven Bosscher <stevenb@suse.de>
702
703         PR tree-opt/21399
704         * tree-eh.c (maybe_clean_or_replace_eh_stmt): Rename from 
705         maybe_clean_eh_stmt; take old stmt parameter.  Update EH
706         region data structure to match replacement.
707         * tree-flow.h: Update to match.
708         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
709         * tree-ssa-dom.c (optimize_stmt): Likewise.
710         * tree-ssa-pre.c (eliminate): Likewise.
711         * tree-ssa-propagate.c (substitute_and_fold): Likewise.
712
713 2005-05-16  Caroline Tice  <ctice@apple.com>
714
715         * bb-reorder.c (verify_hot_cold_block_grouping):  Replace
716         internal_error with gcc_assert.
717         * dwarf2out.c (dwarf2out_switch_text_section):  Likewise.
718         * function.h (struct function): Remove space between "*" and
719         struct field names.
720         * varasm.c (initialize_cold_section_name):   Add gcc_assert;
721         modify to use alloca.
722         (unlikely_text_section): Add check for flag_function_sections.
723         (assemble_start_function):  Move call to resolve_section, so it
724         comes before first call to unlikely_text_section.
725         (assemble_end_function):  Add test and call to function_section
726         if appropriate.
727         
728 2005-05-16  Roger Sayle  <roger@eyesopen.com>
729
730         * c-common.c (c_common_truthvalue_conversion): Use fold_build2
731         instead of build_binary_op when performing code transformations
732         to avoid error messages about constructs not it the user's code.
733
734 2005-05-16  Kazu Hirata  <kazu@cs.umass.edu>
735
736         * tree-ssa-pre.c: Fix a comment typo.
737
738 2005-05-16  Richard Henderson  <rth@redhat.com>
739
740         PR target/21556
741         * config/ia64/ia64.md (load_dtpmod, load_ltoff_dtpmod, load_dtprel,
742         load_dtprel64, load_dtprel22, load_dtprel_gd, load_ltoff_dtprel,
743         add_dtprel, add_dtprel14, add_dtprel22, load_tprel, load_tprel64,
744         load_tprel22, load_tprel_ie, load_ltoff_tprel, add_tprel, add_tprel14,
745         add_tprel22): Remove mode from symbolic operand.
746
747 2005-05-16  Richard Sandiford  <rsandifo@redhat.com>
748
749         * optc-gen.awk: Include intl.h after the externally-provided files.
750
751 2005-05-16  Kazu Hirata  <kazu@cs.umass.edu>
752
753         * tree-ssa-copy.c (copy_prop_visit_assignment): Clean up by
754         folding a COND_EXPR_COND in a nondestructive manner.
755
756 2005-05-16  Fariborz Jahanian <fjahanian@apple.com>
757
758         * config/rs6000/altivec.md (altivec_vmrghb, altivec_vmrghh, 
759         altivec_vmrghw, altivec_vmrglb, altivec_vmrglh, altivec_vmrglw):
760         New values for vec_select definitions and bitmask for element
761         selection.
762          
763 2005-05-16  Kazu Hirata  <kazu@cs.umass.edu>
764
765         * dwarf2out.c (used_rtx_varray): Rename to used_rtx_array.
766         Change the type to VEC(rtx,gc)*.
767         (mem_loc_descriptor, add_const_value_attributes,
768         dwarf2out_init): Adjust uses of used_rtx_varray.
769
770         * tree-data-ref.c (compute_all_dependences): Change the type
771         of dependence_relations to VEC(ddr_p,heap)**.
772         (compute_data_dependences_for_loop): Change the type of
773         allrelations to VEC(ddr_p,heap)*.
774
775 2005-05-16  Richard Sandiford  <rsandifo@redhat.com>
776
777         * Makefile.in (options.c): Tell optc-gen.awk to include config.h,
778         system.h, coretypes.h and tm.h.
779         (options.o): Update dependencies accordingly.
780         * optc-gen.awk: Allow header_name to be a list of filenames.
781         Handle the "Condition" flag.
782         * opts.h (CL_DISABLED): New flag.
783         * opts.c (handle_option): Print an error for CL_DISABLED options.
784         * doc/options.texi: Document the "Condition" option flag.
785
786 2005-05-16  Paolo Bonzini  <bonzini@gnu.org>
787
788         * tree-inline.c (estimate_num_insns_1): Handle VEC_COND_EXPR.
789
790 2005-05-15  Roger Sayle  <roger@eyesopen.com>
791
792         * tree-scalar-evolution.c (set_nb_iterations_in_loop): Only
793         check for TREE_OVERFLOW on INTEGER_CST trees.
794         * tree-chrec.c (chrec_convert): Only clear TREE_OVERFLOW on
795         CONSTANT_CLASS_P tree nodes.
796
797 2005-05-15  H.J. Lu  <hongjiu.lu@intel.com>
798
799         PR target/21551
800         * config/ia64/ia64.c (ia64_expand_move): Don't add addend twice.
801
802 2005-05-15  Daniel Berlin  <dberlin@dberlin.org>
803             
804         Fix PR tree-optimization/21576
805         
806         * tree-ssa-pre.c (expression_node_pool): New pool.
807         (comparison_node_pool): Ditto.
808         (list_node_pool): Ditto.
809         (pool_copy_list): New function.
810         (phi_translate): Handle CALL_EXPR.
811         (valid_in_set): Ditto.
812         (create_expression_by_pieces): Ditto.
813         (insert_into_preds_of_block): Ditto.
814         (insert_aux): Ditto.
815         (compute_avail): Ditto.
816         (create_value_expr_from): Handle TREE_LIST and CALL_EXPR.
817         (can_value_number_call): New function.
818         (find_leader): Update comment.
819         (init_pre): Create new pools.
820         (fini_pre): Free new pools.
821         (pass_pre): Add TODO_update_ssa for the future when we are going
822         to need vops.
823         * tree-vn.c (expressions_equal_p): Handle TREE_LIST.
824         (set_value_handle): Ditto.
825         (get_value_handle): Ditto.
826
827 2005-05-15  Richard Earnshaw  <richard.earnshaw@arm.com>
828
829         * arm.c (thumb_unexpanded_epilogue): Delete unused variable 'mode'.
830
831 2005-05-15  Andreas Jaeger  <aj@suse.de>
832
833         * gcc.c (pfatal_pexecute): Remove unused local function.
834
835 2005-05-15  Richard Sandiford  <rsandifo@redhat.com>
836
837         * optc-gen.awk: Remove excess indentation.
838         * opth-gen.awk: Likewise.
839
840 2005-05-14  Kaz Kojima  <kkojima@gcc.gnu.org>
841
842         * config/sh/sh.c (sh_output_mi_thunk): Check cfun->cfg instead
843         of basic_block_info.  Call init_flow and find_basic_blocks
844         before dbr_schedule if needed.
845
846 2005-05-14  Kazu Hirata  <kazu@cs.umass.edu>
847
848         * tree-optimize.c (init_tree_optimization_passes): Move
849         pass_cd_dce in place of the last pass_dce.
850
851         PR tree-optimization/21563
852         * tree-vrp.c (compare_value): Return boolean_false_node when
853         SSA_NAME in "if (SSA_NAME == CST)" is strictly smaller than or
854         strictly larger than CST.
855
856 2005-05-14  Nathan Sidwell  <nathan@codesourcery.com>
857             Jan-Benedict Glaw  <jbglaw@lug-owl.de>
858
859         * config/vax/vax.c: (print_operand_address) Use gcc_unreachable() and
860         gcc_assert().
861         (rev_cond_name) Likewise.
862         (vax_float_literal) Likewise.
863         * config/vax/vax.md: Likewise.
864
865 2005-05-14  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
866
867         * config/vax/vax.md: define_constant VAXens AP, FP, SP and PC
868         registers and use them (specifically the stack pointer).
869         * config/vax/vax.h: Use above defines right here.
870
871         * config/vax/vax.c: (override_options) Remove 'register' keyword.
872         (split_quadword_operands) Likewise. (rev_cond_name) Likewise.
873         (vax_float_literal) Likewise. (vax_rtx_costs) Remove trailing
874         whitespace.
875         * config/vax/vax.h: Remove 'register' keyword. Misc. whitespace fixes,
876         mostly removal of trailing spaces...
877         * config/vax/vax-modes.def: Remove trailing whitespace.
878
879         * config/vax/elf.h: Update whitespace.
880
881 2005-05-14  Richard Guenther  <rguenth@gcc.gnu.org>
882
883         Revert
884         2005-05-11  Richard Guenther  <rguenth@gcc.gnu.org>
885         * fold-const.c (fold_indirect_ref_1): Avoid removing
886         NOP_EXPRs with type qualifiers like const.
887
888 2005-05-14  Jan Hubicka  <jh@suse.cz>
889
890         Patch by Richard Henderson:
891         * tree-eh.c (tree_can_throw_internal, tree_can_throw_external):
892         Handle RESX expressions properly.
893
894         * tree-eh.c (record_stmt_eh_region): Use add_stmt_to_eh_region.
895         (add_stmt_to_eh_region_fn): Nest into CALL_EXPR.
896         (remove_stmt_from_eh_region_fn): Likewise.
897
898         * tree-cfg.c (execute_warn_function_return): Break out noreturn
899         warning too..
900         (execute_warn_function_noreturn): ... here.
901         (pass_warn_function_noreturn): New pass.
902         * tree-pass.h (pass_warn_function_noreturn): Declare
903         * tree-optimize.c (init_tree_optimization_passes): Move return
904         warnings early and add noreturn warnings at place of previous
905         return warnings.
906
907 2005-05-14  Kazu Hirata  <kazu@cs.umass.edu>
908
909         * tree-ssa-live.c (tpa_init, tpa_delete, tpa_compact,
910         root_var_init, type_var_init): Use VEC instead of VARRAY.
911         * tree-ssa-live.h (tree_partition_associator_d): Change the
912         type of trees to VEC(tree,heap)*.
913         (tpa_tree): Use VEC instead of VARRAY.
914
915 2005-05-14  Richard Guenther  <rguenth@gcc.gnu.org>
916
917         * fold-const.c (div_if_zero_remainder): New function.
918         (try_move_mult_to_index): Use it.
919
920 2005-05-14  Kazu Hirata  <kazu@cs.umass.edu>
921
922         * tree-eh.c (leh_tf_state): Change the type of dest_array to
923         VEC(tree,heap)*.
924         (maybe_record_in_goto_queue, lower_try_finally_onedest,
925         lower_try_finally_copy, lower_try_finally_switch,
926         lower_try_finally): Use VEC instead of VARRAY.
927
928 2005-05-14  Hans-Peter Nilsson  <hp@axis.com>
929
930         * config/cris/cris.h (Node: Register Classes): Remove obsoleted
931         comment regarding defined register classes.
932         (LEGITIMIZE_RELOAD_ADDRESS): Do not define.
933
934 2005-05-14  Kazu Hirata  <kazu@cs.umass.edu>
935
936         * tree-optimize.c (init_tree_optimization_passes): Move
937         pass_merge_phi before the first pass_dominator.
938
939 2005-05-13  Richard Earnshaw  <richard.earnshaw@arm.com>
940
941         * arm.h (INITIALIZE_TRAMPOLINE): Make the call to __clear_cache
942         unconditional.
943
944 2005-05-13  Josh Conner  <jconner@apple.com>
945
946         * config/arm/arm.c (arm_size_return_regs): New.
947         (thumb_unexpanded_epilogue): replace in-line calculation
948         of return registers with call to arm_size_return_regs.
949         (use_return_insn): Include test of which registers are
950         being used to hold return values, to accommodate
951         vector return values.
952
953 2005-05-11  Aldy Hernandez  <aldyh@redhat.com>
954
955         * config/rs6000/sysv4.opt (mlittle): Handle.
956
957         * config/rs6000/rs6000.c (rs6000_handle_option): Set
958         target_flags_explicit when appropriate.
959
960 2005-05-13  J"orn Rennecke <joern.rennecke@st.com>
961
962         PR middle-end/20714:
963         * optabs.c (no_conflict_data): New struct.
964         (no_conflict_move_test): New function.
965         (emit_no_conflict_block): Use it.
966
967 2005-05-13  Adam Nemet  <anemet@lnxw.com>
968
969         * doc/invoke.texi (Debugging Options): Option
970         -fdump-translation-unit only works with C++ now.
971
972 2005-05-13  Hans-Peter Nilsson  <hp@axis.com>
973
974         Replace calls to abort in CRIS port.
975         * config/cris/cris.h (CRIS_ASSERT): New macro.
976         * config/cris/cris.md ("*movsi_internal"): Use CRIS_ASSERT and
977         internal_error instead of abort.
978         ("movsi"): Ditto.  Unquote preparation statement section.
979         ("call", "call_value"): Ditto, but use gcc_assert where
980         appropriate.  Tweak comments.
981         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Define in terms of
982         CRIS_ASSERT.
983         (cris_op_str): Call internal_error, not abort.
984         (cris_print_operand): Tweak "abort" reference to "die" in comment.
985         (cris_initial_elimination_offset): Call gcc_unreachable, not abort.
986         (cris_notice_update_cc): Call internal_error, not abort.
987         (cris_expand_return, cris_expand_prologue, cris_gen_movem_load)
988         (cris_emit_movem_store, cris_asm_output_symbol_ref)
989         (cris_output_addr_const_extra): Use CRIS_ASSERT, don't call abort.
990         (cris_symbol, cris_got_symbol): Use CRIS_ASSERT instead of
991         ENABLE_CHECKING-guarded abort call.
992         (cris_split_movdx): Use CRIS_ASSERT instead of abort with test.
993         Use internal_error at end of test-chain.
994
995 2005-05-13  J"orn Rennecke <joern.rennecke@st.com>
996
997         PR rtl-optimization/20769:
998         * bt-load.c (compute_defs_uses_and_gen): Check for the blockage
999         pattern emitted by expand_nl_goto_receiver.
1000
1001         PR middle-end/20793:
1002         * integrate.c (allocate_initial_values): Update register liveness
1003         information.
1004
1005 2005-05-13  Josh Conner  <jconner@apple.com>
1006
1007         * arm.c (arm_return_in_memory): Add handling for vector return types.
1008
1009 2005-05-13  David Ung  <davidu@mips.com>
1010
1011         * config/mips/mips.h (processor_type): Add new PROCESSOR_4KP
1012         name.
1013         * config/mips/mips.c: Add 4km alias.
1014         * config/mips/mips.md: Add 4kp to cpu attrib and include 4k.md.
1015         * config/mips/4k.md: New file, add 4Kc/4Kp DFA pipeline
1016         description.
1017
1018 2005-05-13  Jan Hubicka  <jh@suse.cz>
1019
1020         * c-decl.c (finish_function): Suppress "control reaches end of
1021         non-void function" when "no return statement in function
1022         returning non-void" is issued.
1023
1024         * tree-inline.c (copy_body_r): Simplify substituted ADDR_EXPRs.
1025         * tree-optimize.c (pass_gimple): Kill.
1026         (init_tree_optimization_passes): Kill pass_gimple.
1027         * tree-cfg.c (build_tree_cfg): Do verify_stmts to check that we are gimple.
1028         * tree-dump.c (dump_files): Rename .generic to .gimple.*
1029
1030 2005-05-13  J"orn Rennecke <joern.rennecke@st.com>
1031
1032         PR rtl-optimization/20756:
1033         * basic-block.h (PROP_DEAD_INSN): Define.
1034         * flow.c (propagate_one_insn): Set during mark_set_regs call
1035         for a dead insn.
1036         (mark_set_1): Emit a clobber when we are about to delete a dead insn
1037         that kills a live register.
1038
1039 2005-05-13  Adrian Straetling  <straetling@de.ibm.com>
1040
1041         * config/s390/s390.md: ("DBL"): New mode attribute.
1042         ("*movmem_long_64", "*movmem_long_31"): Merge to "*movmem_long".
1043         ("*clrmem_long_64", "*clrmem_long_31"): Merge to "*clrmem_long".
1044         ("*cmpmem_long_64", "*cmpmem_long_31"): Merge to "*cmpmem_long".
1045
1046 2005-05-13  Richard Guenther  <rguenth@gcc.gnu.org>
1047
1048         * c-format.c (check_format_arg): Handle string literals of
1049         the form &"string"[offset].
1050
1051         * g++.dg/warn/format4.C: New testcase.
1052
1053 2005-05-13  Kazu Hirata  <kazu@cs.umass.edu>
1054
1055         * config/mips/3000.md, config/mips/4000.md,
1056         config/mips/4100.md, config/mips/4300.md, config/mips/4600.md,
1057         config/mips/5000.md, config/mips/7000.md, config/mips/9000.md,
1058         config/mips/generic.md, config/pdp11/pdp11.md,
1059         config/sh/crt1.asm, config/sh/lib1funcs.asm,
1060         config/sh/sh-modes.def, config/sh/sh-protos.h,
1061         config/sh/shmedia.md, config/sh/ushmedia.h: Update copyright.
1062
1063 2005-05-13  Richard Henderson  <rth@redhat.com>
1064
1065         * function.c (instantiate_virtual_regs_in_insn): Do not simplify
1066         addition to move unless dest is a register.  Do not skip
1067         instantiation in dest on addition simplification.
1068
1069 2005-05-13  Hans-Peter Nilsson  <hp@axis.com>
1070
1071         * config/cris/cris.c (cris_print_operand) <case 'H'; case
1072         CONST_INT>: Use operand_subword and HOST_WIDE_INT_PRINT_DEC for
1073         output; don't have special case for HOST_BITS_PER_WIDE_INT == 32.
1074
1075 2005-05-13  Jan Hubicka  <jh@suse.cz>
1076
1077         * basic-block.h (FOR_ALL_BB_FN): New macro.
1078         (init_flow): Initialize cfg structure.
1079         * function.c (allocate_struct_function): Do not initialize cfg structure.
1080         * tree-cfg.c (init_empty_tree_cfg): Break out from ...
1081         (build_tree_cfg): ... here.
1082         * tree-flow.h (init_empty_tree_cfg): Declare.
1083
1084 2005-05-12  Steven Bosscher <stevenb@suse.de>
1085
1086         Fix PR tree-optimization/21520
1087         * tree-ssa-pre.c (phi_translate): Use fully_constant_expression
1088         to attempt to fold constants.
1089
1090 2005-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
1091
1092         * config/sh/sh.c: Declare the prototype of sh_adjust_unroll_max
1093         only when TARGET_ADJUST_UNROLL_MAX is defined.
1094         (general_movsrc_operand): Use the C style comment.
1095         (ua_offset): Use prototype.
1096
1097 2005-05-12  Zdenek Dvorak  <dvorakz@suse.cz>
1098
1099         * tree-ssa-loop-im.c (struct mem_ref): Add field "next".
1100         (struct hmr_data, hoist_memory_reference, memref_del,
1101         struct fmrv_data): Removed.
1102         (hoist_memory_references, free_mem_ref, free_mem_refs): New functions.
1103         (gather_mem_refs, gather_mem_refs_stmt): Add new references to the
1104         list.
1105         (find_more_ref_vops): Traverse the list of memory references.
1106         (determine_lsm_loop): Work with the list of memory references instead
1107         of traversing the hashtable.
1108
1109 2005-05-12  Steven Bosscher  <stevenb@suse.de>
1110             Stuart Hastings <stuart@apple.com>
1111             Jan Hubicka  <jh@suse.cz>
1112
1113         * except.c  (duplicate_eh_region_1, duplicate_eh_region_2,
1114         duplicate_eh_regions): New functions, based on old
1115         implementation removed with RTL inliner.
1116         (reachable_next_level): Modify behaviour pre-inline.
1117         * except.h (duplicate_eh_regions_map, duplicate_eh_regions):
1118         Declare.
1119         * function.h (struct function): Add after_inlining flag.
1120         * tree-optimize.c (tree_rest_of_compilation): Set it.
1121         * tree-eh.c (add_stmt_to_eh_region_fn): Initialize hashtable
1122         when needed.
1123         * tree-cfg.c (label_to_block_fn): Deal with cases where
1124         label was never insterted into code.
1125
1126 2005-05-12  Zack Weinberg  <zack@codesourcery.com>
1127
1128         * doc/cpp.texi: Document that #sccs is a synonym for #ident.
1129
1130 2005-05-12  Daniel Berlin  <dberlin@dberlin.org>
1131
1132         Fix PR tree-optimization/21532
1133         * tree-ssa-pre.c (create_expression_by_pieces): stmt
1134         needs to go onto the inserted_exprs list.
1135
1136 2005-05-12  Ian Lance Taylor  <ian@airs.com>
1137
1138         * c-common.h (statement_code_p): Don't declare.
1139         (STATEMENT_CODE_P): Don't define.
1140         (INIT_STATEMENT_CODES): Don't define.
1141         * c-common.c (statement_code_p): Don't define.
1142
1143 2005-05-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
1144
1145         * config/sparc/sparc.h: Remove dead code.
1146         * config/sparc/sparc.c (sparc_compute_frame_size): Use
1147         FIRST_PARM_OFFSET for the size of the register window area.
1148         (emit_save_regs): Rename into emit_save_or_restore_regs.
1149         Add 'action' parameter.  Use 4095 as upper bound for the offset.
1150         Pass 'action' to save_or_restore_regs.
1151         (emit_restore_regs): Delete.
1152         (sparc_expand_prologue): Call emit_save_or_restore_regs.
1153         (sparc_expand_epilogue): Likewise.
1154         * config/sparc/sparc.md (mode macro P): Move.
1155         (movdi_insn_sp32_v9, movdi_insn_sp32): Swap.
1156         (mov<V32:mode> expander): Move to the top of the V32 section.
1157         (movdf_insn_sp32_v9_no_fpu, movdf_insn_sp32_v9): Swap.
1158         (movtf_insn_sp64_hq, movtf_insn_sp64): Swap.
1159         (sibcall_epilogue): Move.
1160
1161 2005-05-12  Richard Earnshaw  <richard.earnshaw@arm.com>
1162
1163         PR target/21501
1164         * arm.c (arm_gen_constant): Sign-extend intermediate values when
1165         synthesizing a constant of the difference of two immediates.
1166
1167 2005-05-12  Richard Earnshaw  <richard.earnshaw@arm.com>
1168
1169         * arm/vfp.md (negsf2_vfp): Add alternative using integer registers.
1170         (negdf2_vfp): Likewise.  Convert to define_insn_and_split and split
1171         the alternatives using integer registers into the appropriate
1172         primitives.
1173
1174 2005-05-11 Kenneth Zadeck <zadeck@naturalbridge.com>
1175
1176         * bitmap.c (bitmap_elmt_to_freelist, bitmap_element_allocate,
1177         bitmap_elt_clear_from, bitmap_clear): Changed freelist structure.
1178         * bitmap.h: Fixed comments.
1179
1180 2005-05-11  Richard Henderson  <rth@redhat.com>
1181
1182         PR target/21412
1183         * config/ia64/ia64.c (TARGET_CANNOT_FORCE_CONST_MEM): New.
1184         (ia64_cannot_force_const_mem): New.
1185         (tls_symbolic_operand_type): New.
1186         (ia64_legitimate_constant_p): New.
1187         (ia64_expand_load_address): Return true on success.  Improve
1188         checks for when we should not split.
1189         (ia64_expand_tls_address): New addend operand.  Distribute it
1190         as appropriate to the tls_kind.  Delay referencing gp.
1191         (ia64_expand_move): Split symbolic addend as necessary.  Handle
1192         tls symbols with addends.
1193         * config/ia64/ia64-protos.h: Update.
1194         * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): False for r0,
1195         p0, f0, f1, and r13.
1196         (LEGITIMATE_CONSTANT_P): Move to ia64_legitimate_constant_p.
1197         * config/ia64/ia64.md (UNSPEC_DTPMOD): New.
1198         (symbolic_operand splitter): Pass everything through
1199         ia64_expand_load_address and FAIL or DONE as appropriate.
1200         (load_fptr): Only accept after reload.
1201         (load_fptr_internal1, gprel64_offset, load_gprel64, load_symptr_high,
1202         load_symptr_low, load_ltoff_dtpmod,
1203         (load_dtpmod): New.
1204         (load_dtprel): Only accept tls symbols.
1205         (load_dtprel64, load_dtprel22): Likewise.
1206         (load_tprel, load_tprel64, load_tprel22): Likewise.
1207         (load_dtprel_gd, load_ltoff_dtprel, load_tprel_ie): New.
1208         (add_dtprel): Only accept tls symbols.  Canonicalize PLUS.
1209         (add_dtprel14, add_dtprel22): Likewise.
1210         (add_tprel, add_tprel14, add_tprel22): Likewise.
1211         * config/ia64/predicates.md (small_addr_symbolic_operand): New.
1212         (any_offset_symbol_operand, aligned_offset_symbol_operand): New.
1213         (got_symbolic_operand): Check CONST offsets.
1214         (tls_symbolic_operand, ld_tls_symbolic_operand): New.
1215         (ie_tls_symbolic_operand, le_tls_symbolic_operand): New.
1216         (move_operand): Don't handle tls here.  Check CONST offsets.
1217
1218 2005-05-11  Richard Sandiford  <rsandifo@redhat.com>
1219
1220         * config/mips/7000.md (rm7_impy_si_mult): Just match imul and imadd.
1221         Remove hilo_operand check.
1222         (rm7_impy_si_mul): Just match imul3.  Remove hilo_operand check.
1223         * config/mips/predicates.md (hilo_operand): Delete.
1224
1225 2005-05-11  Richard Sandiford  <rsandifo@redhat.com>
1226
1227         * config/mips/sr71k.md, config/mips/7000.md: Reformat.
1228
1229 2005-05-11  Kazu Hirata  <kazu@cs.umass.edu>
1230
1231         PR tree-optimizer/18472
1232         * tree-if-conv.c (tree_if_convert_stmt,
1233         if_convertible_modify_expr_p): Don't handle GOTO_EXPR.
1234
1235 2005-05-11  Jan Hubicka  <jh@suse.cz>
1236
1237         * Makefile.in (tree-eh.o: Kill gt-tree-eh.h dependency.
1238         (GTFILES): add except.h.
1239         * except.c (eh_status): Add throw_stmt_table.
1240         (set_eh_throw_stmt_table, get_eh_throw_stmt_table): New functions.
1241         * except.h (add_stmt_to_eh_region_fn, remove_stmt_from_eh_region_fn,
1242         lookup_stmt_eh_region_fn): Declare.
1243         (throw_stmt_node): New structure.
1244         (set_eh_throw_stmt_table, get_eh_throw_stmt_table): New.
1245         * gengtype.c (open_base_files): Add except.h to inlines.
1246         * tree-eh.c (throw_stmt_node): Kill.
1247         (record_stmt_eh_region): Update.
1248         (add_stmt_to_eh_region_fn): Break out from ...
1249         (add_stmt_to_eh_region): ... here.
1250         (remove_stmt_from_eh_region_fn): Break out from ...
1251         (remove_stmt_from_eh_region): ... here.
1252         (lookup_stmt_eh_region_fn): Break out from ...
1253         (lookup_stmt_eh_region): ... here.
1254         (honor_protect_cleanup_actions): Use build_resx.
1255         (lower_try_finally_onedest): Likewise.
1256         (lower_try_finally_copy): Likewise.
1257         (lower_try_finally_switch): Likewise.
1258         (lower_eh_constructs): Update eh table construction.
1259         * tree.c (build_resx): New.
1260         * tree.h (build_resx): Declare.
1261
1262 2005-05-11  H.J. Lu  <hongjiu.lu@intel.com>
1263
1264         * libgcov.c (gcov_exit): Set prefix_length to 0 if no relocation
1265         is needed.
1266
1267 2005-05-11  Kazu Hirata  <kazu@cs.umass.edu>
1268
1269         * fold-const.c, libgcov.c: Fix comment typos.
1270
1271         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove
1272         redundant code.
1273
1274 2005-05-11  Daniel Jacobowitz  <dan@codesourcery.com>
1275
1276         * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1277         * config/arm/arm.h (SUBTARGET_FRAME_POINTER_REQUIRED): Provide
1278         default definition.
1279         (FRAME_POINTER_REQUIRED): Use SUBTARGET_FRAME_POINTER_REQUIRED.
1280
1281 2005-05-11  Nathan Sidwell  <nathan@codesourcery.com>
1282
1283         PR bootstrap/21481
1284         * crtstuff.c: Include auto-host.h again, for now.
1285
1286 2005-05-11  Richard Sandiford  <rsandifo@redhat.com>
1287
1288         * config/mips/24k.md: Remove trailing whitespace.
1289
1290 2005-05-11  David Ung  <davidu@mips.com>
1291
1292         * config/mips/mips.md (type): Add imul3.
1293         (length, hazard, may_clobber_hilo): Check for imul3.
1294         (mulsi3_mult3, muldi3_mult3, *muls, <su>mulsi3_highpart_mulhi_internal)
1295         (*<su>mulsi3_highpart_neg_mulhi_internal): Set attr to imul3.
1296         * config/mips/24k.md (r24k_int_mul3): Enable this reservation
1297         for a 3 operand mul and its bypasses.
1298         * config/mips/3000.md (r3k_imul): Add imul3 to reservations.
1299         * config/mips/4000.md (r4k_imul): Likewise.
1300         * config/mips/4100.md (r4100_imul_si, r4100_imul_di):  Likewise.
1301         * config/mips/4130.md (vr4130_class, vr4130_mulsi)
1302         (vr4130_muldi): Likewise.
1303         * config/mips/4300.md (r4300_imul_si, r4300_imul_di): Likewise.
1304         * config/mips/4600.md (r4600_imul, r4650_imul): Likewise.
1305         * config/mips/5000.md (r5k_imul_si, r5k_imul_di): Likewise.
1306         * config/mips/5400.md (ir_vr54_imul_si, ir_vr54_imul_di)
1307         (ir_vr54_imadd_si): Likewise.
1308         * config/mips/5500.md (ir_vr55_imul_si, ir_vr55_imul_di):  Likewise.
1309         * config/mips/7000.md (rm7_impy_si_mult, rm7_impy_si_mul)
1310         (rm7_impy_di): Likewise.
1311         * config/mips/9000.md (rm9k_mulsi, rm9k_muldi):  Likewise.
1312         * config/mips/generic.md (generic_imul): Likewise.
1313         * config/mips/sb1.md (ir_sb1_mulsi, ir_sb1_muldi): Likewise.
1314         * config/mips/sr71k.md (ir_sr70_imul_si, ir_sr70_imul_di):  Likewise.
1315
1316 2005-05-11  J"orn Rennecke <joern.rennecke@st.com>
1317
1318         PR middle-end/20371:
1319         * tree.h (record_layout_info_s): New member prev_packed.
1320         * stor-layout.c (update_alignment_for_field): Fix comment about
1321         KNOWN_ALIGN.  For MS bitfields, if we start a new run, make sure
1322         we start it properly aligned.
1323         (place_field): At the beginning of a record, pass 0 as KNOWN_ALIGN
1324         to update_alignment_for_field, and recompute it afterwards using
1325         the alignment of the record.
1326         When a packed bitfield precedes an MS bitfield, don't add padding
1327         at the end of the packed bitfield on behalf of the base type of
1328         the packed bit field.
1329         Don't adjust rli->bitpos at the end
1330         of an MS bitfield run if we already adjusted bitpos/offset for an
1331         alignment as large or larger than the bitfield type size.
1332         Take possible record alignment > BIGGEST_ALIGNMENT into account
1333         when calculating actual_align.
1334         Only put packed buit fields into rli->prev_field if they end up
1335         suitably aligned.
1336         Also set rli->remaining_in_alignment when we re-set rli->prev_field.
1337         Update rli->remaining_in_alignment when we have already started a
1338         run of bit fields and we process a packed bit field.
1339
1340 2005-05-11  Sebastian Pop  <pop@cri.ensmp.fr>
1341
1342         * tree-data-ref.c (find_data_references_in_loop): Give up when
1343         the body of the loop contains a CALL_EXPR or an ASM_EXPR: they
1344         may embed arbitrary side effects.
1345         Remove the assumption that GIMPLE form contains a single array
1346         access per statement.
1347         When the statement contains virtual operands, fail if it is not
1348         a MODIFY_EXPR or a CALL_EXPR.
1349         Return after the dont know node is inserted.
1350
1351 2005-05-11  Richard Earnshaw  <richard.earnshaw@arm.com>
1352
1353         * arm.md (negsf2, negdf2): Permit these expands when compiling for VFP.
1354
1355 2005-05-11  Richard Guenther  <rguenth@gcc.gnu.org>
1356
1357         PR middle-end/19807
1358         PR tree-optimization/19639
1359         * fold-const.c (try_move_mult_to_index): Handle INTEGER_CST
1360         and generic summands for char* as s * delta, too, folding &a[i]
1361         CODE x to &a[i CODE x/s].  Use tree_int_cst_equal
1362         for comparison of steps.  Convert types for index addition.
1363         (fold_binary): Adjust the callers to always dispatch to
1364         try_move_mult_to_index.
1365         * tree-ssa-propagate.c (set_rhs): Avoid setting rhs to
1366         expr with non-gimple ARRAY_REF offset.
1367
1368 2005-05-11  Richard Guenther  <rguenth@gcc.gnu.org>
1369
1370         * fold-const.c (fold_indirect_ref_1): Avoid removing
1371         NOP_EXPRs with type qualifiers like const.
1372
1373 2005-05-11  Richard Henderson  <rth@redhat.com>
1374
1375         PR c/21502
1376         * c-decl.c (finish_decl): Propagate the completed array type of
1377         a global variable into the binding.
1378
1379 2005-05-10  Matt Kraai  <kraai@ftbfs.org>
1380
1381         * Makefile.in (gtype-desc.o, build/genautomata.o)
1382         (build/varray.o): Depend on $(VARRAY_H).
1383
1384 2005-05-10  Diego Novillo  <dnovillo@redhat.com>
1385
1386         * tree-optimize.c (init_tree_optimization_passes): Re-organize
1387         optimization passes to do an initial batch of scalar cleanups.
1388
1389 2005-05-10  Ian Lance Taylor  <ian@airs.com>
1390
1391         * read-rtl.c (struct macro_traverse_data): Define.
1392         (map_attr_string): New static function, broken out of
1393         apply_macro_to_string.
1394         (mode_attr_index, apply_mode_maps): New static functions.
1395         (apply_macro_to_string): Call map_attr_string.
1396         (apply_macro_to_rtx): Add mode_maps and infile parameters.  Change
1397         all callers.
1398         (apply_macro_traverse): Expect data to point to a struct
1399         macro_traverse_data.
1400         (read_rtx): Add mode_maps local variable.  Use mode_traverse_data
1401         to pass data through htab_traverse.
1402         (read_rtx_1): Add mode_maps parameter.  Change all callers.
1403         Handle mode names which are attribute strings.
1404         * doc/md.texi (Substitutions): Rename from String Substitutions.
1405         Change references.  Document using attributes as modes.
1406
1407 2005-05-10  Zdenek Dvorak  <dvorakz@suse.cz>
1408
1409         * tree-cfg.c (tree_duplicate_sese_region): Update profile.
1410         * tree-optimize.c (init_tree_optimization_passes) Swap
1411         pass_ch and pass_profile.
1412         * tree-ssa-loop-ch.c (copy_loop_headers): Do not update profile
1413         here.  Remove rewrite_into_loop_closed_ssa call.
1414
1415 2005-05-10  Adrian Straetling  <straetling@de.ibm.com>
1416
1417         * config/s390/s390.c: (s390_const_double_ok_for_constraint_p): New
1418         function.
1419         (legitimate_reload_constant_p): Add check for const double zero.
1420         * config/s390/s390.md: Add comment for constraint letter 'G'.
1421         ("*movdf_64", "*movdf_31", "movsf"): Add constraint and proper
1422         attributes for new case.
1423         * config/s390/s390.h: (CONST_DOUBLE_OK_FOR_CONSTRAINT_P): Define it as
1424         s390_const_double_ok_for_constraint_p.
1425         * config/s390/s390-protos.h (s390_const_double_ok_for_constraint_p):
1426         Add prototype.
1427
1428 2005-05-10  Kazu Hirata  <kazu@cs.umass.edu>
1429
1430         PR tree-optimization/21170
1431         * tree-ssa-dom.c, tree-ssa-threadupdate.c: Replace
1432         rewrite_ssa_into_ssa in comments with update_ssa.
1433
1434 2005-05-10  Zdenek Dvorak  <dvorakz@suse.cz>
1435
1436         * tree-ssa-loop-im.c: Include hashtab.h.
1437         (struct mem_ref_loc): New.
1438         (struct mem_ref): Describe the set of references with the same
1439         shape.
1440         (max_stmt_uid, get_stmt_uid, record_mem_ref, free_mem_refs,
1441         maybe_queue_var, fem_single_reachable_address,
1442         for_each_memref, single_reachable_address,
1443         is_call_clobbered_ref, determine_lsm_reg): Removed.
1444         (record_mem_ref_loc, free_mem_ref_locs, determine_lsm_ref,
1445         hoist_memory_reference, memref_hash, memref_eq, memref_del,
1446         gather_mem_refs_stmt, gather_mem_refs, find_more_ref_vops):
1447         New functions.
1448         (rewrite_mem_refs, schedule_sm): Use mem_ref_loc list.
1449         (determine_lsm_loop): Rewritten.
1450         (determine_lsm): Do not set stmt uids.
1451
1452 2005-05-10  Adrian Straetling  <straetling@de.ibm.com>
1453
1454         * config/s390/s390.md: Add comment lines for 'f' and 't' constraint
1455         letters.
1456
1457 2005-05-10  Adrian Straetling  <straetling@de.ibm.com>
1458
1459         * config/s390/s390.md: ("anddi3","andsi3","andhi3","andqi3"): Merge.
1460         ("iordi3", "iorsi3", "iorhi3", "iorqi3"): Merge.
1461         ("xordi3", "xorsi3", "xorhi3", "xorqi3"): Merge.
1462
1463 2005-05-10  Jeff Law  <law@redhat.com>
1464
1465         * tree-ssa-dom.c (dom_opt_finalize_block): Do not call
1466         thread_across_edge for any abnormal edges.
1467
1468 2005-05-10  Richard Henderson  <rth@redhat.com>
1469
1470         * config/ia64/ia64.c (ia64_expand_atomic_op): New.
1471         * config/ia64/ia64-protos.h: Declare it.
1472         * config/ia64/sync.md (I124MODE, FETCHOP, fetchop_name): New.
1473         (sync_add<I48MODE>, sync_old_add<I48MODE>): Remove.
1474         (sync_<FETCHOP><IMODE>, sync_nand<IMODE>): New.
1475         (sync_old_<FETCHOP><IMODE>, sync_old_nand<IMODE>): New.
1476         (sync_new_<FETCHOP><IMODE>, sync_new_nand<IMODE>): New.
1477         (cmpxchg_rel_<I124MODE>): Split from cmpxchg_acq_<IMODE>.  Zero
1478         extend result; use release semantics.
1479         (cmpxchg_rel_di): Rename from cmpxchg_acq_<IMODE>; use release.
1480         (sync_val_compare_and_swap_<IMODE>): Update to match.
1481
1482 2005-05-10  Richard Henderson  <rth@redhat.com>
1483
1484         * optabs.c (expand_compare_and_swap_loop): Don't clobber old value
1485         before comparing it for success.
1486
1487 2005-05-10  Richard Henderson  <rth@redhat.com>
1488
1489         * config/ia64/sync.md (sync_add<I48MODE>): Fix arguments for
1490         no return value pattern.
1491
1492 2005-05-10  Grigory Zagorodnev  <grigory.zagorodnev@intel.com>
1493             H.J. Lu  <hongjiu.lu@intel.com>
1494
1495         * libgcov.c (create_file_directory): New function. Create
1496         directory for the given file name.
1497         (gcov_max_filename): New static var. Keeps size of the longest
1498         file name.
1499         (gcov_exit): Always try to create directory for output
1500         file. Relocate each filename basing on environment vars.
1501         (__gcov_init): Remember the longest file name.
1502         * tsystem.h: include filenames.h to get IS_DIR_SEPARATOR
1503         * doc/gcov.texi (Cross-profiling): New node documenting
1504         cross-profiling management.
1505         * doc/invoke.texi (-fprofile-arcs): Add xref to cross-profiling.
1506
1507 2005-05-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
1508
1509         * config/sparc/sparc.c (mem_min_alignment): Do not rely
1510         on MEM_ALIGN if TARGET_UNALIGNED_DOUBLES.
1511
1512 2005-05-10  Bob Wilson  <bob.wilson@acm.org>
1513
1514         * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Rearrange special
1515         case code to avoid one move instruction.
1516         (__umodsi3, __modsi3): Merge duplicated code sequences.
1517
1518 2005-05-10  Kazu Hirata  <kazu@cs.umass.edu>
1519
1520         * config/mips/24k.md, config/sh/divtab.c, config/sh/sh.c,
1521         config/sh/sh.md, config/sh/superh.h: Fix comment typos.
1522         * doc/invoke.texi: Fix typos.
1523
1524         * tree-data-ref.c (analyze_array_indexes, analyze_array,
1525         init_data_ref, access_functions_are_affine_or_constant_p,
1526         free_data_refs): Use VEC instead of VARRAY.
1527         * tree-data-ref.h (data_reference): Change the type of
1528         access_fns to VEC(tree,gc)*.
1529         (DR_ACCESS_FN, DR_NUM_DIMENSIONS): Use VEC instead of VARRAY.
1530
1531 2005-05-10  Gabor Loki <loki@gcc.gnu.org>
1532
1533         PR c/17913
1534         * c-typeck.c (build_conditional_expr): Remove reducing cond_expr.
1535         * fold-const.c (fold): Expand the condition of reducing cond_expr.
1536         (contains_label_1, contains_label_p): New functions for checking
1537         labels in a sub-tree.
1538
1539 2005-05-10  Joseph S. Myers  <joseph@codesourcery.com>
1540
1541         PR c/21342
1542         * c-decl.c (pushdecl): When there is a declaration in the current
1543         scope and the declarations are external linkage, check for
1544         compatibility with the type in the external scope and update the
1545         type in the external scope with the composite type information.
1546         Do not form a composite type of the new type and the visible type
1547         if they are incompatible.
1548
1549 2005-05-10  Nathan Sidwell  <nathan@codesourcery.com>
1550
1551         * crtstuff.c: Revert part of 2005-05-08 Change.
1552         (IN_LIBGCC2): Define.
1553
1554 2005-05-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
1555
1556         * config/sparc/sparc.c (fp_sethi_p): Test !SPARC_SIMM13_P and
1557         remove redundant test.
1558         (fp_mov_p): Accept 0.
1559         (fp_high_losum_p): Remove redundant test.
1560         * config/sparc/predicates.md (const_high_operand): Explicitly test
1561         (not small_int_operand).
1562         (fp_const_high_losum_operand): New.
1563         * config/sparc/sparc.md (movsi_insn): Do not emit 'clr'.  Reorder.
1564         (movdi_insn_sp32_v9): Use canonical predicates.
1565         (movdi_insn_sp32): Test !TARGET_V9 instead of !TARGET_ARCH64.
1566         (movdi_insn_sp64_novis): Delete.
1567         (movdi_insn_sp64_vis): Rename into movdi_insn_sp64.
1568         (movsf_insn_novis): Delete.
1569         (movsf_insn_vis): Rename into movsf_insn.
1570         (movsf_no_f_insn): Rename into movsf_insn_no_fpu.
1571         (movsf_lo_sum): Use fp_const_high_losum_operand.
1572         (movsf_high): Likewise.
1573         (movsf_high_losum splitter): Likewise.
1574         (mov<V32:mode> expander): Use register_or_zero_operand.
1575         (mov<V64:mode> expander): Likewise.
1576         (movdf_insn_sp32): Use register_or_zero_operand.
1577         (movdf_no_e_insn_sp32): Use register_or_zero_operand.
1578         Rename into movdf_insn_sp32_no_fpu.
1579         (movdf_no_e_insn_v9_sp32): Use register_or_zero_operand.
1580         Rename into movdf_insn_sp32_v9_no_fpu.
1581         (movdf_insn_v9only_novis): Delete.
1582         (movdf_insn_v9only_vis): Rename into movdf_insn_sp32_v9.
1583         (movdf_insn_sp64_novis): Delete.
1584         (movdf_insn_sp64_vis): Rename into movdf_insn_sp64.
1585         (movdf_no_e_insn_sp64): Use register_or_zero_operand.
1586         Rename into movdf_insn_sp64_no_fpu.
1587         (movtf expander): Use register_or_zero_operand.
1588         (movtf_insn_sp32): Delete.
1589         (movtf_insn_vis_sp32): Use register_or_zero_operand.
1590         Rename into movtf_insn_sp32.
1591         (movtf_no_e_insn_sp32): Use register_or_zero_operand.
1592         Rename into movtf_insn_sp32_no_fpu.
1593         (movtf_insn_hq_sp64): Delete.
1594         (movtf_insn_hq_vis_sp64): Use register_or_zero_operand.
1595         Rename into movtf_insn_sp64_hq.
1596         (movtf_insn_sp64): Delete.
1597         (movtf_insn_vis_sp64): Use register_or_zero_operand.
1598         Rename into movtf_insn_sp64.
1599         (movtf_no_e_insn_sp64): Use register_or_zero_operand.
1600         Rename into movtf_insn_sp64_no_fpu.
1601
1602 2005-05-10  Nathan Sidwell  <nathan@codesourcery.com>
1603
1604         * config/stormy16/stormy16.c (xstormy16_emit_cbranch): Use
1605         gcc_assert and gcc_unreachable as appropriate.
1606         (xstormy16_split_cbranch, xstormy16_output_cbranch_hi,
1607         xstormy16_output_cbranch_si, xstormy16_split_move,
1608         xstormy16_initial_elimination_offset,
1609         xstormy16_encode_section_info, xstormy16_print_operand_address,
1610         xstormy16_expand_call, xstormy16_expand_arith,
1611         xstormy16_output_shift, xstormy16_init_builtins): Likewise.
1612
1613 2005-05-10  Kazu Hirata  <kazu@cs.umass.edu>
1614
1615         * tree-outof-ssa.c (_elim_graph): Change the type of nodes and
1616         const_copies to VEC(tree,heap)*.
1617         (new_elim_graph, delete_elim_graph, elim_graph_size,
1618         elim_graph_add_node, eliminate_build, eliminate_phi): Use VEC
1619         instead of VARRAY.
1620
1621 2005-05-10  Joseph S. Myers  <joseph@codesourcery.com>
1622
1623         PR other/21052
1624         * doc/extend.texi (Type Attributes): Correct example syntax.
1625
1626 2005-05-09  Joseph S. Myers  <joseph@codesourcery.com>
1627
1628         PR c/21160
1629         * doc/invoke.texi (-Wuninitialized): Update documentation.
1630
1631 2005-05-09  Richard Earnshaw  <richard.earnshaw@arm.com>
1632
1633         * arm.c (const_ok_for_arm): Use a faster algorithm.
1634
1635 2005-05-09  David Edelsohn  <edelsohn@gnu.org>
1636
1637         PR target/21477
1638         * config/rs6000/rs6000.md (add_op2): New.
1639         (add<mode>3): Use it.
1640
1641 2005-05-09  Richard Earnshaw  <richard.earnshaw@arm.com>
1642
1643         * arm.c (arm_gen_constant): Add new heuristic for generating
1644         constant integers that can be expressed as the difference of two
1645         valid immediates.
1646
1647 2005-05-09  Roger Sayle  <roger@eyesopen.com>
1648
1649         * c-tree.h (parser_build_unary_op): New prototype.
1650         * c-typeck.c (parser_build_unary_op): New function to construct
1651         a unary operation in the C parser.
1652         * c-parser.c (c_parser_unary_expression):  Use the new function
1653         parser_build_unary_op when appropriate.
1654
1655 2005-05-09  Mark Mitchell  <mark@codesourcery.com>
1656
1657         PR 18655
1658         * dwarf2out.c (output_call_frame_info): Use DWARF2_FRAME_REG_OUT
1659         before outputting DWARF_FRAME_RETURN_COLUMN.
1660
1661 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1662
1663         * config/s390/s390.c: (s390_branch_condition_mask,
1664         s390_branch_condition_mnemonic, s390_extra_constraint_str,
1665         s390_const_ok_for_constraint_p, s390_expand_plus_operand,
1666         legitimize_pic_address, s390_emit_tls_call_insn,
1667         legitimize_tls_address, legitimize_tls_address,
1668         s390_expand_addcc, print_shift_count_operand, print_operand,
1669         addr_generation_dependency_p, annotate_constant_pool_refs,
1670         s390_split_branches, find_constant_pool_ref,
1671         replace_constant_pool_ref, s390_add_constant, s390_find_constant,
1672         s390_find_execute, s390_mainpool_start, s390_chunkify_start,
1673         s390_output_pool_entry, s390_function_value,
1674         s390_call_saved_register_used, s390_emit_call): Replace
1675         conditional aborts by gcc_assert and unconditional by gcc_unreachable.
1676         (s390_select_ccmode, s390_match_ccmode_set, s390_extract_part,
1677         s390_cannot_force_const_mem, s390_output_dwarf_dtprel,
1678         get_some_local_dynamic_name, s390_function_arg_size,
1679         s390_function_arg_advance, s390_function_arg,
1680         s390_expand_builtin, s390_gen_rtx_const_DI): Replace abort in
1681         default case by gcc_unreachable.
1682         * config/s390/s390.md: ("*cjump_31", "*icjump_31", "*jump31"): Replace
1683         conditional abort by gcc_assert.
1684         ("doloop_si31"): Replace abort in last else by gcc_unreachable.
1685         ("main_pool", "pool"): Replace unconditional abort by gcc_unreachable.
1686
1687 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1688
1689         * config/s390/s390.c: (s390_decompose_address,
1690         tls_symbolic_operand, legitimate_pic_operand_p,
1691         legitimate_constant_p, legitimate_reload_constant_p,
1692         s390_expand_plus_operand, legitimate_address_p,
1693         legitimate_la_operand_p, ): Remove 'register' from signature.
1694         (symbolic_reference_mentioned_p,
1695         tls_symbolic_reference_mentioned_p): Remove 'register' from local
1696         variable declarations.
1697         (legitimize_address): Remove 'register' from
1698         signature and local variable declarations.
1699
1700 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1701
1702         * config/s390/s390-protos.h: (s390_match_ccmode,
1703         s390_match_ccmode_set, reg_used_in_mem_p,
1704         symbolic_reference_mentioned_p, tls_symbolic_reference_mentioned_p,
1705         legitimate_la_operand_p, preferred_la_operand_p,
1706         s390_short_displacement, addr_generation_dependency_p,
1707         legitimate_reload_constant_p, legitimate_address_p): Change return type
1708         into 'bool'.
1709         (s390_tm_ccmode): Change type of parameter "mixed" into 'bool'.
1710         * config/s390/s390.c: (s390_match_ccmode,
1711         symbolic_reference_mentioned_p, tls_symbolic_reference_mentioned_p,
1712         legitimate_reload_constant_p): Change return type into 'bool'.
1713         (preferred_la_operand_p,legitimate_la_operand_p, legitimate_address_p):
1714         Likewise.  Additionally adapted comment.
1715         (s390_extra_constraint_p): Change Comment to reflect 'int' return type.
1716         (s390_tm_ccmode): Change type of parameter "mixed" into 'bool'.
1717         (s390_decompose_address): Change the type of the internal flags
1718         "pointer", "base_ptr", "indx_ptr", and the return value into 'bool'.
1719         (struct s390_address): Change type of "pointer" into bool.
1720         * config/s390/s390.md: ("*tmdi_reg", "*tmsi_reg", "tm<mode>_full"):
1721         Adapt calls for 's390_tm_ccmode' to the new signature.
1722
1723 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1724
1725         * config/s390/s390.c: (s390_match_ccmode_set,
1726         s390_branch_condition_mnemonic, s390_short_displacement,
1727         s390_decompose_address, get_thread_pointer, legitimize_tls_address,
1728         print_shift_count_operand, get_some_local_dynamic_name,
1729         get_some_local_dynamic_name_1, reg_used_in_mem_p,
1730         addr_generation_dependency_p, s390_split_branches,
1731         annotate_constant_pool_refs, find_constant_pool_ref,
1732         replace_constant_pool_ref, find_ltrel_base, replace_ltrel_base,
1733         s390_optimize_prologue, find_unused_clobbered_reg, s390_frame_area,
1734         s390_register_info, s390_frame_info, s390_init_frame_layout,
1735         s390_update_frame_layout, save_fpr, restore_fpr, save_gprs,
1736         restore_gprs, s390_function_arg_size, s390_function_arg_float,
1737         s390_init_machine_status, s390_assemble_integer, s390_handle_option,
1738         s390_encode_section_info, s390_cannot_force_const_mem,
1739         s390_delegitimize_address, s390_return_in_memory, s390_init_builtins,
1740         s390_expand_builtin, s390_output_mi_thunk, s390_safe_attr_type,
1741         s390_adjust_priority, s390_issue_rate,
1742         s390_first_cycle_multipass_dfa_lookahead, s390_cannot_copy_insn_p,
1743         s390_rtx_costs, s390_address_cost, s390_reorg, s390_valid_pointer_mode,
1744         s390_build_builtin_va_list, s390_gimplify_va_arg,
1745         s390_function_ok_for_sibcall, s390_call_saved_register_used,
1746         s390_pass_by_reference, s390_fixed_condition_code_regs,
1747         s390_cc_modes_compatible s390_mainpool_start,, s390_mainpool_finish,
1748         s390_mainpool_cancel, s390_chunkify_start, s390_chunkify_finish,
1749         s390_chunkify_cancel, s390_start_pool, s390_end_pool,
1750         s390_add_pool_insn, s390_find_pool, s390_add_constant,
1751         s390_find_constant, s390_add_execute, s390_find_execute,
1752         s390_execute_label, s390_execute_target, s390_dump_pool,
1753         s390_dump_execute, s390_alloc_pool, s390_free_pool): Remove prototypes.
1754         Move target macro definitions to the end of the file.  Move several
1755         functions within the file to assure correct compiling.
1756
1757 2005-05-09  Steven Bosscher  <stevenb@suse.de>
1758
1759         * calls.c (purge_reg_equiv_notes): Remove, fold into...
1760         (fixup_tail_calls): ...here.  Only look at insns between the
1761         start of the function and the FUNCTION_BEG insn note.
1762
1763         * gcse.c (one_cprop_pass): Fix typos in dumps.
1764
1765         * tree-ssa-operands.h (FOR_EACH_PHI_ARG): Fix typos.
1766
1767 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1768
1769         * config/s390/s390.h: Move xxx_REGNUM definitions to s390.md.
1770         * config/s390/s390.md: ("SIBCALL_REGNUM", "BASE_REGNUM",
1771         "RETURN_REGNUM", "CC_REGNUM", "TP_REGNUM"): New constants.
1772         Replace every occurrence of '(reg:<MODE> 33)' by '(reg:<MODE>
1773         CC_REGNUM)'.
1774         ("get_tp_64", "get_tp_31", "set_tp_64", "set_tp_31"): Replace
1775         '(reg:<MODE> 36)' by '(reg:<MODE> TP_REGNUM)'.
1776         ("*sibcall_br", "*sibcall_value_br"): Replace '(reg:DI 1)' by '(reg:DI
1777         REG_SC)'.
1778
1779 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1780
1781         * config/s390/s390.md: ("gf") New mode attribute.
1782         ("fixuns_truncdfdi2", "fixuns_truncdfsi2", "fixuns_truncsfdi2",
1783         "fixuns_truncsfsi2"): Merge.
1784         ("fix_truncdfdi2", "fix_truncsfdi2"): Merge.
1785         ("fix_truncdfdi2_ieee", "fix_truncdfsi2_ieee", "fix_truncsfdi2_ieee",
1786         "fix_truncsfsi2_ieee"): Merge.
1787
1788 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1789
1790         * config/s390/s390.md: ("FPR") New mode macro.
1791         ("de", "dee"): New mode attributes.
1792         ("cmpdf", "cmpsf"): Merge.
1793         ("*cmpdf_ccs_0", "*cmpsf_ccs_0"): Merge.
1794         ("*cmpdf_ccs_0_ibm", "*cmpdf_ccs_0_ibm"): Merge.
1795         ("*cmpdf_ccs", "*cmpsf_ccs"): Merge.
1796         ("*cmpdf_ccs_ibm", "*cmpsf_ccs_ibm"): Merge.
1797         ("floatdidf2", "floatdisf2"): Merge.
1798         ("adddf3", "addsf3"): Merge.
1799         ("*adddf3", "*addsf3"): Merge.
1800         ("*adddf3_cc", "*addsf3_cc"): Merge.
1801         ("*adddf3_cconly", "*addsf3_cconly"): Merge.
1802         ("*adddf3_ibm", "*addsf3_ibm"): Merge.
1803         ("subdf3", "subsf3"): Merge.
1804         ("*subdf3", "*subsf3"): Merge.
1805         ("*subdf3_cc", "*subsf3_cc"): Merge.
1806         ("*subdf3_cconly", "*subsf3_cconly"): Merge.
1807         ("*subdf3_ibm", "*subsf3_ibm"): Merge.
1808         ("muldf3", "mulsf3"): Merge.
1809         ("*muldf3", "*mulsf3" "): Merge.
1810         ("*muldf3_ibm", "*mulsf3_ibm"): Merge.
1811         ("*fmadddf", "*fmaddsf"): Merge.
1812         ("*fmsubdf", "*fmsubsf"): Merge.
1813         ("divdf3", "divsf3"): Merge.
1814         ("*divdf3", "*divsf3"): Merge.
1815         ("*divdf3_ibm", "*divsf3_ibm"): Merge.
1816         ("negdf2", "negsf2"): Merge.
1817         ("*negdf2_cc", "*negsf2_cc"): Merge.
1818         ("*negdf2_cconly", "*negsf2_cconly"): Merge.
1819         ("*negdf2", "*negsf2"): Merge.
1820         ("*negdf2_ibm", "*negsf2_ibm"): Merge.
1821         ("absdf2", "abssf2"): Merge.
1822         ("*absdf2_cc", "*abssf2_cc"): Merge.
1823         ("*absdf2_cconly", "*abssf2_cconly"): Merge.
1824         ("*absdf2", "*abssf2"): Merge.
1825         ("*absdf2_ibm", "*abssf2_ibm"): Merge.
1826         ("*negabsdf2_cc", "*negabssf2_cc"): Merge.
1827         ("*negabsdf2_cconly", "*negabssf2_cconly"): Merge.
1828         ("*negabsdf2", "*negabssf2"): Merge.
1829         ("sqrtdf2", "sqrtsf2"): Merge.
1830
1831 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1832
1833         * config/s390/s390.c: (s390_adjust_priority): Adapt to changed
1834         attribute names.
1835         * config/s390/2084.md: ("x_fsimpd", "x_fsimps", "x_fdivd", "x_fdivs",
1836         "x_floadd", "x_floads", "x_fstored", "x_fstores"): Rename to
1837         ("x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
1838         "x_floadsf", "x_fstoredf", "x_fstoresf") and replace 'type'
1839         attribute names.
1840         * config/s390/s390.md: ("type"): Rename "fsimpd, fsimps, floadd, floads,
1841         fstored, fstores, fmuld, fmuls, fdivd, fdivs, fsqrtd, fsqrts" to
1842         "fsimpdf, fsimpsf, floaddf, floadsf, fstoredf, fstoresf, fmuldf,
1843         fmulsf, fdivdf, fdivsf, fsqrtdf, fsqrtsf".
1844         ("*cmpdf_ccs_0", "*cmpdf_css_0_ibm", "*cmpdf_ccs",
1845         "*cmpdf_ccs_ibm", "*cmpsf_ccs_0", "*cmpsf_css_0_ibm",
1846         "*cmpsf_ccs", "*cmpsf_ccs_ibm", "*movdi_64", "*movdi_31",
1847         "*movsi_zarch", "*movsi_esa", "*movdf_64", "*movdf_31", "movsf",
1848         "*muldf3", "*muldf3_ibm", "*fmadddf", "*fmsubdf", "*mulsf3",
1849         "mulsf3_ibm", "*fmaddsf", "fmsubsf", "*divdf3", "*divdf3_ibm",
1850         "*negdf2_cc", "*negdf2_cconly", "*negdf2", "*negdf2_ibm",
1851         "*negsf2_cc", "*negsf2_cconly", "*negsf2", "*absdf2_cc",
1852         "*absdf2_cconly", "*absdf2", "*absdf2_ibm", "*abssf2_cc",
1853         "*abssf2_cconly", "*abssf2", "*abssf2_ibm", "*negabsdf2_cc",
1854         "*negabsdf2_cconly", "*negabsdf2", "*negabssf2_cc",
1855         "*negabssf2_cconly", "*negabssf2", "sqrtdf2", "sqrtsf2"): Rename
1856         'type' value.
1857         ("*divsf3"): Additionally rename second pattern to
1858         "*divsf3_ibm".
1859         ("truncdfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
1860         "*adddf3", "*adddf3_cc", "*adddf3_cconly", "*adddf3_ibm",
1861         "*addsf3", "*addsf3_cc", "*addsf3_cconly", "*subdf3",
1862         "subdf3_cc", "*subdf3_cconly", "*subdf3_ibm", "*subsf3",
1863         "subsf3_cc", "*subsf3_cconly", "*subsf3_ibm"): Merge identical
1864         'type values' and rename 'type' value.
1865         ("*addsf3"): Additionally rename second pattern to
1866         "*addsf3_ibm".
1867
1868 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1869
1870         * config/s390/s390.md: ("SHIFT"): New mode macro.
1871         ("lr", "shift"): New mode attributes.
1872         ("ashldi3", "lshrdi3"): Merge.
1873         ("*ashldi3_31", "*lshrdi3"_31): Merge.
1874         ("*ashldi3_64", "*lshrdi3"_64): Merge.
1875         ("ashlsi3", "lshrsi3"): Merge.
1876
1877 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1878
1879         * config/s390/s390.md: ("DSI", "SCOND"): New mode
1880         macros.
1881         ("E", "g"): New mode attributes.
1882         ("*adddi3_alc_cc", "*addsi3_alc_cc"): Merge.
1883         ("*adddi3_alc", "*addsi3_alc"): Merge.
1884         ("*subdi3_slb_cc", "*subsi3_slb_cc"): Merge.
1885         ("*subdi3_slb", "*subsi3_slb"): Merge.
1886         ("adddicc", "addsicc"): Merge.
1887         ("*sconddi", "*scondsi"): Merge.
1888         ("*sconddi_neg", "*scondsi_neg"): Merge.
1889         ("sltu", "sgtu", "sleu", "sgeu"): Merge.
1890         ("negdi2", "negsi2"): Extract expander pattern from
1891         "negsi2" and merge with "negdi2".
1892         ("*negdi2"): Merge with instruction pattern of "negsi2".
1893         ("*negdi2_cc", "*negsi2_cc"): Merge.
1894         ("*negdi2_cconly", "*negsi2_cconly"): Merge.
1895         ("rotldi3", "rotlsi3"): Merge.
1896
1897 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1898
1899         * config/s390/s390.md: ("hc"): New mode attribute.
1900         ("extendhidi2", "extendqidi2"): Merge.
1901         ("*extendhidi2", "*extendqidi2"): Merge.
1902         ("extendhisi2", "extendqisi2"): Merge.
1903         ("zero_extendhidi2", "zero_extendqidi2"): Merge.
1904         ("*zero_extendhidi2", "*zero_extendqidi2"): Merge.
1905         Merged 2 define_split.
1906         ("*zero_extendhisi2", "*zero_extendqisi2"): Merge.
1907         ("*zero_extendhisi2_64", "*zero_extendqisi2_64"): Merge.
1908
1909 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1910
1911         * config/s390/s390.md: ("COMPARE"): New mode macro.
1912         ("beq", "bne", "bgt", "bgtu", "blt", "bltu", "bge", "bgeu",
1913         "ble", "bleu", "bunordered", "bordered", "buneq", "bunlt",
1914         "bungt", "bunle", "bunge", "bltgt"): Merge.
1915
1916 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1917
1918         * config/s390/s390.md: ("INT"): New mode macro.
1919         ("one_cmpldi2", "one_cmplsi2", "one_cmplhi2", "one_cmplqi2"):
1920         Merge.
1921
1922 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1923
1924         * config/s390/s390.md: ("GPR", "P"): New mode macros.
1925         ("cmpdi", "cmpsi"): Merge.
1926         ("strlendi", "strlensi"): Merge.
1927         ("*strlendi", "*strlensi"): Merge.
1928         ("movmemdi", "movmemsi"): Merge.
1929         ("clrmemdi", "clrmemsi"): Merge.
1930
1931 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1932
1933         * config/s390/s390.md: ("HQI"): New mode macro.
1934         ("icm_lo", "icm_hi", "max_uint"): New mode attributes.
1935         ("*tmhi_full", "*tmqi_full"): Merge.
1936         ("*tsthiCCT", "*tstqiCCT"): Merge.
1937         ("*tsthi", "*tstqi"): Merge.
1938         ("*tsthi_cconly", "tstqi_cconly"): Merge.
1939         ("*sethighhisi", "*sethighqisi"): Merge.
1940
1941 2005-05-09  Kazu Hirata  <kazu@cs.umass.edu>
1942
1943         * crtstuff.c, integrate.h, tree-scalar-evolution.h,
1944         config/alpha/unicosmk.h, config/arc/arc.md,
1945         config/arm/bpabi.h, config/arm/coff.h, config/arm/elf.h,
1946         config/arm/ieee754-df.S, config/arm/ieee754-sf.S,
1947         config/arm/netbsd.h, config/arm/pe.c, config/arm/pe.h,
1948         config/arm/semi.h, config/arm/uclinux-elf.h,
1949         config/arm/wince-pe.h, config/fr30/fr30.c,
1950         config/rs6000/altivec.h: Update copyright.
1951
1952 2005-05-09  Nathan Sidwell  <nathan@codesourcery.com>
1953
1954         * config/pdp11/pdp11.c (pdp11_output_function_prologue): Use
1955         gcc_assert and gcc_unreachable as appropriate.
1956         (pdp11_output_function_epilogue, output_move_double,
1957         output_move_quad, print_operand_address, output_jump,
1958         output_addr_const_pdp11): Likewise.
1959         * config/pdp11/pdp11.h (FUNCTION_PROFILER,
1960         ASM_OUTPUT_ALIGN): Likewise.
1961         * config/pdp11/pdp11.md: Likewise.
1962         (extendhisi2, subhi3, subqi3): Likewise.
1963
1964 2005-05-09  David Edelsohn  <edelsohn@gnu.org>
1965
1966         PR middle-end/21237
1967         * dojump.c (do_jump, MINUS_EXPR): Build NE_EXPR and fall through
1968         to NE_EXPR case.
1969
1970 2005-05-09  Kazu Hirata  <kazu@cs.umass.edu>
1971
1972         * config/ia64/ia64.c: Fix a comment typo.
1973
1974 2005-05-09  Richard Earnshaw  <rearnsha@arm.com>
1975
1976         PR target/21397
1977         * arm.c (ARM_OPT_SET_CPU, ARM_OPT_SET_ARCH, ARM_OPT_SET_TUNE): Define.
1978         (arm_override_options): Use them instead of manifest constants.  Don't
1979         allow -march to override the -mtune setting.
1980
1981 2005-05-09  Nathan Sidwell  <nathan@codesourcery.com>
1982
1983         * config/iq2000/iq2000.c (abort_with_insn): Use fancy_abort.
1984         (gen_int_relational): Use gcc_unreachable and gcc_assert as necessary.
1985         (function_arg_advance, function_arg, save_restore_insns,
1986         iq2000_expand_prologue, iq2000_output_conditional_branch,
1987         expand_one_builtin, print_operand):
1988         * config/iq2000/iq2000.md (tablejump): Likewise.
1989
1990 2005-05-09  David Ung  <davidu@mips.com>
1991
1992         * config/mips/mips.h (processor_type): Add names for the 24K.
1993         * config/mips/mips.c (mips_cpu_info_table): Add names for the 24K
1994         processor family.
1995         * config/mips/mips.md (cnv_mode): New attribute for recording the
1996         conversion types of float convert insns.
1997         (cpu): Add 24k and 24kx.
1998         (include): Include 24k.md file.
1999         (truncdfsf2, extendsfdf2, fix_truncdfsi2_insn, fix_truncdfsi2_macro)
2000         (fix_truncdfdi2, fix_truncsfdi2, floatsidf2, floatdidf2, floatsisf2)
2001         (floatdisf2): Setup cnv_mode.
2002         (fix_truncsfsi2_insn, fix_truncsfsi2_macro): Changed mode to SF and
2003         setup cnv_mode.
2004         * config/mips/24k.md: New file, contains 24k DFA pipeline
2005         description.
2006
2007 2005-05-09  Nathan Sidwell  <nathan@codesourcery.com>
2008
2009         * config/sh/sh.c (print_operand_address): Use gcc_assert and
2010         gcc_unreachable as appropriate.
2011         (print_operand, prepare_move_operands, prepare_scc_operands,
2012         output_movedouble, output_branch, shift_insns_rtx, gen_shifty_op,
2013         gen_shl_and, shl_sext_kind, gen_datalabel_ref, dump_table,
2014         fixup_mova, gen_far_branch, sh_reorg, split_branches,
2015         final_prescan_insn, output_stack_adjust, sh_expand_epilogue,
2016         sh_set_return_address, sh_setup_incoming_varargs,
2017         initial_elimination_offset, sh_pch_valid_p, get_free_reg,
2018         sh_expand_builtin, sh_output_mi_thunk, extract_sfunc_addr,
2019         check_use_sfunc_addr): Likewise.
2020         * config/sh/netbsd-elf.h (FUNCTION_PROFILER): Likewise.
2021         * config/sh/sh.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Likewise.
2022         * config/sh/symbian.c (sh_symbian_mark_dllexport,
2023         sh_symbian_mark_dllimport): Likewise.
2024         * config/sh/sh.md: Likewise.
2025         (movdicc, call_pop, call_value_pop, casesi_worker_1,
2026         casesi_worker_2, casesi_shift_media, casesi_load_media,
2027         return_media): Likewise.
2028
2029 2005-05-08  Roger Sayle  <roger@eyesopen.com>
2030
2031         PR inline-asm/8788
2032         * stmt.c (expand_asm_operands): Avoid calling force_reg on BLKmode
2033         operands.
2034
2035 2005-05-08  Richard Henderson  <rth@redhat.com>
2036
2037         * config/alpha/alpha.c (adjust_address): Fix typo last change.
2038
2039 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
2040
2041         * config/m68hc11/m68hc11.h (REG_VALID_P): A regno must be >= 0
2042         and -1 can happen in reg_renumber when no hard register is assigned.
2043
2044 2005-05-08  Steven Bosscher  <stevenb@suse.de>
2045             Kazu Hirata  <kazu@cs.umass.edu>
2046
2047         PR tree-optimization/14841, tree-optimization/15838
2048         * tree-ssa-ccp.c (fold_const_aggregate_ref): New.
2049         (evaluate_stmt): Call it.
2050
2051 2005-05-08  Jakub Jelinek  <jakub@redhat.com>
2052
2053         * config/ia64/ia64.c (ia64_override_options): Don't set
2054         ia64_flag_var_tracking and clear flag_var_tracking here...
2055         (ia64_file_start): ... but here.
2056
2057 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
2058
2059         * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use gcc_assert
2060         and gcc_unreachable as appropriate.
2061         (expand_prologue, expand_epilogue, m68hc11_gen_lowpart,
2062         m68hc11_gen_highpart, print_operand, print_operand_address,
2063         m68hc11_expand_compare, m68hc11_expand_compare_and_branch,
2064         m68hc11_gen_movhi): Likewise.
2065         * config/m68hc11/m68hc11.h (HARD_X_REGNUM): Reword comment.
2066         * config/m68hc11/m68hc11.md: Reword comment.
2067
2068 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
2069
2070         PR target/21281
2071         * config/m68hc11/predicates.md (splitable_operand): An immediate is
2072         allowed.
2073
2074 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
2075
2076         * config/m68hc11/predicates.md (reg_or_some_mem_operand): Do not allow
2077         the 68HC12 address indirect addressing mode as it is not supported by
2078         bset and bclr.
2079         * config/m68hc11/m68hc11-protos.h
2080         (m68hc11_valid_addressing_p): Declare.
2081         (m68hc11_add_mode): Declare.
2082         * config/m68hc11/m68hc11.c (m68hc11_valid_addressing_p): Rename from
2083         register_indirect_p and export it.
2084         (m68hc11_z_replacement): Use emit_insn_after when adding the save Z
2085         instruction so that it is part of the good BB.
2086         (m68hc11_gen_movhi): Fix invalid generation of indexed indirect
2087         addressing with movw.
2088         (m68hc11_gen_movqi): Use pula and pulb instead of lda and ldb for
2089         68HC12.
2090         * config/m68hc11/m68hc11.h (ADDR_STRICT, ADDR_INCDEC, ADDR_INDEXED,
2091         ADDR_OFFSET, ADDR_INDIRECT, ADDR__CONST): Moved from m68hc11.c.
2092         * config/m68hc11/m68hc11.md ("movhi_const0"): Use this pattern only
2093         for 68HC11.
2094         ("*movhi_68hc12"): Handle movhi_const0.
2095         ("*subhi3", "subqi3"): Use general_operand for operand 1.
2096         ("*subhi3_zext"): Likewise.
2097
2098 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
2099
2100         PR target/19051
2101         * config/m68hc11/m68hc11.md ("mulqi3"): Use general_operand for
2102         operand 1 and fix constraints.
2103         ("mulqihi3"): Use general_operand for operand 2.
2104
2105 2005-05-08  Julian Brown  <julian@codesourcery.com>
2106             H.J. Lu  <hongjiu.lu@intel.com>
2107             Paul Brook  <paul@codesourcery.com>
2108
2109         * configure.ac: Set ld_vers_major, ld_vers_minor and ld_vers_patch for
2110         GNU linker. Support linker version x.x.x.x.x. Require GNU linker
2111         20050308/2.16.0 or newer for comdat group.
2112         * configure: Regenerated.
2113         * config.in: Regenerated.
2114         * varasm.c (default_function_rodata_section): Put .rodata section in
2115         COMDAT group when necessary.
2116         (default_elf_asm_named_section): Rename HAVE_GAS_COMDAT_GROUP to
2117         HAVE_COMDAT_GROUP.
2118         (default_unique_section_1): Don't use .gnu.linkonce when COMDAT is
2119         available.
2120
2121 2005-05-08  Kazu Hirata  <kazu@cs.umass.edu>
2122
2123         * tree-dfa.c (referenced_vars, add_referenced_var): Use VEC
2124         instead of VARRAY.
2125         * tree-flow.h (num_referenced_var, referenced_var): Likewise.
2126         * tree-into-ssa.c (mark_def_site_blocks): Likewise.
2127         * tree-ssa.c (init_tree_ssa, delete_tree_ssa): Likewise.
2128         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
2129
2130 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
2131
2132         PR target/16925
2133         * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Handle split of
2134         64-bit constants on 64-bit hosts.
2135         (m68hc11_split_logical): Simplify.
2136         (m68hc11_split_move): Likewise.
2137
2138 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
2139             Paolo Bonzini  <bonzini@gnu.org>
2140
2141         * Makefile.in (cs-tconfig.h): Pass USED_FOR_TARGET to mkconfig.sh
2142         * aclocal.m4 (GCC_TARGET_TEMPLATE, AH_TEMPLATE): New.
2143         * configure.ac (enable_checking): Fix typos in runtime_checking.
2144         (ENABLE_RUNTIME_CHECKING): Mark as target template.
2145         (xm_file): Prepend auto-host.h
2146         (HAVE_GAS_HIDDEN, HAVE_LD_EH_FRAME_HDR): Mark as target template.
2147         * mkconfig.sh: Do not automatically define USED_FOR_TARGET in
2148         tconfig.h.
2149         * crtstuff.c: Do not include auto-host.h.
2150         (IN_LIBGCC2): Do not define.
2151         * gcov-io.h: Include tconfig.h, not auto-host.h.
2152         * libgcc2.c: Do not include auto-host.h.
2153         (abort): Do not undefine.
2154         * libgcov.c: Remove unneeded comment about config.h.
2155         * unwind-dw2-fde-glibc.c: Do not inlude auto-host.h.
2156         * config.in, configure: Regenerated.
2157
2158 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
2159             Falk Hueffner  <falk@debian.org>
2160
2161         * config/alpha/alpha.c (tls_symbolic_operand_1): Use gcc_assert
2162         and gcc_unreachable as appropriate.
2163         (get_aligned_mem, get_unaligned_address,
2164         alpha_emit_set_long_const, alpha_emit_conditional_branch,
2165         alpha_emit_setcc, alpha_emit_conditional_move,
2166         alpha_lookup_xfloating_lib_func, alpha_compute_xfloating_mode_arg,
2167         alpha_emit_xfloating_libcall, alpha_split_tfmode_pair,
2168         alpha_expand_unaligned_load, alpha_expand_block_move,
2169         alpha_expand_zap_mask, get_trap_mode_suffix,
2170         get_round_mode_suffix, get_some_local_dynamic_name,
2171         print_operand_address, function_arg, alpha_return_in_memory,
2172         function_value, alpha_expand_builtin,
2173         alpha_initial_elimination_offset, alpha_expand_epilogue,
2174         summarize_insn, alpha_handle_trap_shadows, alphaev5_insn_pipe,
2175         alphaev5_next_group, alpha_align_insns,
2176         unicosmk_initial_elimination_offset, unicosmk_unique_section,
2177         unicosmk_ssib_name): Likewise.
2178         * config/alpha/alpha.h (ASM_OUTPUT_ADDR_VEC_ELT): Likewise.
2179         * config/alpha/unicosmk.h (TRAMPOLINE_TEMPLATE,
2180         ASM_OUTPUT_ADDR_DIFF_ELT, ASM_OUTPUT_ADDR_DIFF_VEC): Likewise.
2181         * config/alpha/vms.h (INITIAL_ELIMINATION_OFFSET,
2182         ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
2183         * config/alpha/alpha.md (*divmodsi_internal_er,
2184         *divmoddi_internal_er, ashldi3, *insxl, sibcall, call_osf,
2185         call_nt, call_umk, call_vms, call_value, sibcall_value,
2186         call_value_osf, call_value_nt, call_value_vms, call_value_umk,
2187         *call_vms_1, *movmemdi_1, *clrmemdi_1, *call_value_vms_1): Likewise.
2188         * config/alpha/predicates.md (input_operand): Likewise.
2189
2190 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
2191
2192         * config/frv/frv.c (frv_default_flags_for_cpu): Use gcc_assert and
2193         gcc_unreachable, as appropriate.
2194         (frv_function_prologue, frv_alloc_temp_reg,
2195         frv_initial_elimination_offset, frv_expand_block_move,
2196         frv_expand_block_clear, frv_print_operand_jump_hint,
2197         frv_legitimize_tls_address, unspec_got_name, frv_emit_move,
2198         frv_emit_movsi, frv_split_cond_move, frv_split_minmax,
2199         frv_ifcvt_modify_insn, frv_ifcvt_modify_final,
2200         frv_adjust_field_align, frv_insn_unit, frv_cond_flags,
2201         frv_sort_insn_group, frv_reorder_packet, frv_matching_accg_mode,
2202         frv_in_small_data_p, frv_asm_out_constructor,
2203         frv_asm_out_destructor, frv_output_dwarf_dtprel): Likewise.
2204         * config/frv/frv.md (reload_incc_fp, *cond_exec_si_binary1,
2205         *cond_exec_si_binary2, *cond_exec_si_divide, *cond_exec_si_unary1,
2206         *cond_exec_sf_conv, *cond_exec_sf_add, call, sibcall, call_value,
2207         sibcall_value, casesi): Likewise.
2208
2209         * config/mn10300/mn10300.c (print_operand): Use gcc_assert and
2210         gcc_unreachable as appropriate.
2211         (print_operand_address, mn10300_print_reg_list, expand_prologue,
2212         expand_epilogue, notice_update_cc, initial_offset,
2213         mn10300_address_cost_1): Likewise.
2214         * config/mn10300/mn10300.md: Likewise.
2215         (absdf2, abssf2, negdf2, negsf2): Likewise.
2216
2217 2005-05-08  Richard Sandiford  <rsandifo@redhat.com>
2218
2219         PR target/21416
2220         * config/mips/mips.c (mips_emit_compare): Don't reverse UNGE and UNGT
2221         comparisons.
2222         * config/mips/mips.md (swapped_fcond): New code macro and attribute.
2223         (sgt_<mode>, sge_<mode>): Generalize to all members of swapped_fcond,
2224         including sunge_<mode> and sungt_<mode>.
2225
2226 2005-05-08  Richard Sandiford  <rsandifo@redhat.com>
2227
2228         * integrate.h (get_hard_reg_initial_val): Change type of register
2229         parameter from int to unsigned int.
2230         (has_hard_reg_initial_val): Likewise.
2231         * integrate.c (get_hard_reg_initial_val): Likewise.
2232         (has_hard_reg_initial_val): Likewise.  Remove cast to unsigned int.
2233
2234 2005-05-08  Kazu Hirata  <kazu@cs.umass.edu>
2235
2236         * except.c (eh_status): Change the type of ttype_data to
2237         VEC(tree,gc)*.
2238         (add_ttypes_entry, assign_filter_values,
2239         output_function_exception_table): Use VEC instead of VARRAY.
2240
2241 2005-05-07  David Edelsohn  <edelsohn@gnu.org>
2242
2243         * config/rs6000/rs6000.md (popcount<mode>2): Fix non-C90 constant.
2244
2245 2005-05-07  Paul Brook  <paul@codesourcery.com>
2246
2247         * Makefile.in: Fix dependencies.
2248         (GCOV_IO_H, VARRAY_H): Set.
2249
2250 2005-05-07  Anthony Green  <green@redhat.com>
2251
2252         PR bootstrap/21403
2253         * configure.ac (STMP_FIXPROTO): Fix [ ] consumption problem in
2254         x$STMP_FIXPROTO test.
2255         * configure: Rebuilt.
2256
2257 2005-05-07  Joseph S. Myers  <joseph@codesourcery.com>
2258
2259         * config/pa/pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Do not define
2260         inappropriate feature test macros if flag_iso.
2261
2262 2005-05-07  Joseph S. Myers  <joseph@codesourcery.com>
2263
2264         * config/ia64/hpux.h (NO_IMPLICIT_EXTERN_C): Define.
2265
2266 2005-05-07  Hans-Peter Nilsson  <hp@axis.com>
2267
2268         PR target/21441
2269         * config/cris/cris.md ("*movdi_insn", "*mov_sidesisf_biap")
2270         ("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"):
2271         Handle moved operand being in special register.
2272         ("smulsi3_highpart", "umulsi3_highpart"): Change .error into
2273         presumed working insn.
2274         (mover2side): Add FIXME.
2275
2276 2005-05-07  Richard Sandiford  <rsandifo@redhat.com>
2277
2278         * integrate.c (get_func_hard_reg_initial_val): Delete.
2279         (has_func_hard_reg_initial_val): Delete.
2280         (get_hard_reg_initial_val): Inline the old implementation of
2281         get_func_hard_reg_initial_val.  Use has_hard_reg_initial_val
2282         instead of has_func_hard_reg_initial_val to test for an existing
2283         pseudo.  Only create an rtx if a new initial value entry is needed.
2284         (has_hard_reg_initial_val): Scan the initial value list directly.
2285         Don't create an rtx.
2286
2287 2005-05-07  David Edelsohn  <edelsohn@gnu.org>
2288
2289         * config.gcc ({powerpc,rs6000}-ibm-aix*): Remove rs6000/aix.opt
2290         from extra_options.
2291         * config.in (HAVE_AS_POPCNTB): New.
2292         * configure.ac (HAVE_AS_MFCRF): Add .machine "pwr5" to AIX test.
2293         (HAVE_AS_POPCNTB): New.
2294         * configure: Regenerated.
2295         * config/rs6000/aix.h (TARGET_XL_COMPAT): Delete.
2296         * config/rs6000/rs6000.c (rs6000_override_options, power5): Add
2297         MASK_POPCNTB.  Uncomment rs6000_sched_restricted_insns_priority
2298         and rs6000_sched_costly_dep.
2299         * config/rs6000/rs6000.h (TARGET_POPCNTB): New.
2300         (TARGET_XL_COMPAT): Delete.
2301         * config/rs6000/rs6000.md (UNSPEC_POPCNTB): New.
2302         (popcount<mode>2): New.
2303         (popcntb<mode>2): New.
2304         * config/rs6000/rs6000.opt (mpopcntb): New.
2305
2306         * opt-functions.awk (var_set): Emit OPTION_MASK_ for InverseMask
2307         if variable name exists.
2308
2309 2005-05-07  Matt Kraai  <kraai@ftbfs.org>
2310
2311         * Makefile.in (c-gimplify.o): Depend on $(RTL_H) instead of rtl.h.
2312
2313 2005-05-07  Richard Henderson  <rth@redhat.com>
2314
2315         PR target/21412
2316         * config/rs6000/rs6000.c (rs6000_emit_move): Look for tls addresses
2317         with constant offsets.
2318
2319 2005-05-07  Nathan Sidwell  <nathan@codesourcery.com>
2320
2321         * config/v850/v850.c (print_operand): Use gcc_assert and
2322         gcc_unreachable, as appropriate.
2323         (print_operand_address, v850_handle_data_area_attribute,
2324         v850_encode_data_area, construct_restore_jr, construct_save_jarl,
2325         v850_insert_attributes, construct_prepare_instruction): Likewise.
2326         * config/v850/v850.h (INITIAL_ELIMINATION_OFFSET): Likewise.
2327         * config/v850/v850.md (movsicc, *sasf_1): Likewise.
2328
2329 2005-05-07  Kazu Hirata  <kazu@cs.umass.edu>
2330
2331         * tree-ssa-loop-ivcanon.c, config/i386/i386.c,
2332         config/rs6000/rs6000.h: Fix comment typos.
2333
2334 2005-05-07  Richard Sandiford  <rsandifo@redhat.com>
2335
2336         * doc/invoke.texi: Remove documentation for MIPS' -mint64 option.
2337         * config/mips/mips.c (TARGET_SCALAR_MODE_SUPPORTED_P): Delete.
2338         (mips_scalar_mode_supported_p): Delete.
2339
2340 2005-05-06  Eric Christopher  <echristo@redhat.com>
2341
2342         * config/mips/mips.opt: Remove -mint64 option.
2343         * config/mips/mips.c (override_options): Remove -mint64
2344         handling.
2345         * config/mips/mips.h (INT_TYPE_SIZE): Define to 32.
2346         * config/mips/linux.h (TARGET_OS_CPP_BUILTINS): Remove
2347         64-bit integer handling.
2348         * doc/invoke.texi (Option Summary): Remove -mint64 for
2349         mips.
2350
2351 2005-05-06  Zdenek Dvorak  <dvorakz@suse.cz>
2352
2353         PR tree-optimization/19401
2354         * tree-flow.h (tree_unroll_loops_completely): Declaration changed.
2355         * tree-ssa-loop-ivcanon.c (enum unroll_level): New.
2356         (estimated_unrolled_size): New function.
2357         (try_unroll_loop_completely, canonicalize_loop_induction_variables,
2358         tree_unroll_loops_completely): Always unroll loops if the code size
2359         does not increase.
2360         * tree-ssa-loop.c (tree_complete_unroll): Indicate whether all
2361         loops should be unrolled completely.
2362         (gate_tree_complete_unroll): Run complete unrolling unconditionally.
2363
2364 2005-05-06  Zdenek Dvorak  <dvorakz@suse.cz>
2365
2366         PR rtl-optimization/21254
2367         * loop-iv.c (iv_number_of_iterations): Simplify infiniteness
2368         assumptions for loops that otherwise do not roll.
2369         (find_simple_exit): Prefer # of iterations that is guaranteed
2370         not to be infinite.
2371         * loop-unroll.c (decide_peel_once_rolling,
2372         decide_peel_completely): Check whether the loop is infinite.
2373
2374 2005-05-06  Pat Haugen  <pthaugen@us.ibm.com>
2375
2376         * config/rs6000/sysv4.opt: Fix typo.
2377
2378 2005-05-06  Denis Vlasenko  <vda@port.imtp.ilyichevsk.odessa.ua>
2379             Jakub Jelinek  <jakub@redhat.com>
2380
2381         PR target/21329
2382         * config/i386/i386.c (ix86_expand_movmem): Don't use rep; movsb
2383         for -Os if (movsl;)*(movsw;)?(movsb;)? sequence is shorter.
2384         Don't use rep; movs{l,q} if the repetition count is really small,
2385         instead use a sequence of movs{l,q} instructions.
2386
2387 2005-05-06  Jeff Law  <law@redhat.com>
2388
2389         PR tree-optimization/21380
2390         * tree-ssa-threadupdate.c (thread_through_all_blocks): Do not
2391         thread through a block with no preds.
2392
2393 2005-05-06  Kazu Hirata  <kazu@cs.umass.edu>
2394
2395         * tree-ssa-operands.c (clobbered_v_may_defs, clobbered_vuses,
2396         ro_call_vuse, fini_ssa_operands, add_call_clobber_ops,
2397         add_call_read_ops): Use VEC instead of VARRAY.
2398
2399 2005-05-06  Nathan Sidwell  <nathan@codesourcery.com>
2400
2401         * config/mcore/mcore.c (mcore_print_operand_address): Use
2402         gcc_assert and gcc_unreachable as appropriate.
2403         (mcore_print_operand, mcore_gen_compare_reg, mcore_output_call,
2404         mcore_output_andn, output_inline_const, mcore_output_move,
2405         mcore_output_movedouble, mcore_expand_block_move,
2406         layout_mcore_frame, mcore_initial_elimination_offset,
2407         mcore_expand_prolog, mcore_mark_dllexport,
2408         mcore_mark_dllimport): Likewise.
2409         * config/mcore/mcore.h (switch_to_section): Likewise.
2410         * config/mcore/mcore.md: Likewise.
2411
2412 2005-05-06  Aldy Hernandez  <aldyh@redhat.com>
2413
2414         * config/rs6000/linux64.h: Remove MASK_PROFILE_KERNEL, and
2415         TARGET_PROFILE_KERNEL.
2416
2417         * config/rs6000/rs6000.c (output_profile_hook): Add comment to
2418         TARGET_PROFILE_KERNEL use.
2419
2420 2005-05-06  Nathan Sidwell  <nathan@codesourcery.com>
2421
2422         * config/m32r/m32r.c (m32r_encode_section_info): Use gcc_assert
2423         and gcc_unreachable, as appropriate.
2424         (gen_compare, gen_split_move_double, m32r_setup_incoming_varargs,
2425         m32r_expand_prologue, m32r_output_function_epilogue,
2426         m32r_legitimize_pic_address, m32r_print_operand_address,
2427         emit_cond_move, m32r_function_symbol,
2428         m32r_output_block_move): Likewise.
2429         * config/m32r/m32r.h (INITIAL_ELIMINATION_OFFSET): Likewise.
2430         * config/m32r/m32r.md ( *movsi_insn, *zero_branch_insn,
2431         *rev_zero_branch_insn): Likewise.
2432
2433 2005-05-06  Jakub Jelinek  <jakub@redhat.com>
2434
2435         PR c++/20961
2436         * varasm.c (merge_weak): Remove NEWDECL from WEAK_DECLS chain
2437         if both NEWDECL and OLDDECL are already weak.
2438
2439 2005-05-06  Richard Sandiford  <rsandifo@redhat.com>
2440
2441         * config/rs6000/sysv4.h (EXTRA_SUBTARGET_SWITCHES): Delete.
2442
2443 2005-05-05  J"orn Rennecke  <joern.rennecke@st.com>
2444             Kaz Kojima  <kkojima@gcc.gnu.org>
2445
2446         * config/sh/sh.c (sh_builtin_saveregs): Use copy_to_mode_reg
2447         and plus_constant.
2448
2449 2005-05-05  Aldy Hernandez  <aldyh@redhat.com>
2450             David Edelsohn  <edelsohn@gnu.org>
2451
2452         * config.gcc: Add .opt magic for the rs6000 ports.
2453
2454         * doc/invoke.texi: Document -mabi= option properly.  Document
2455         -misel and -mno-sel.  Document -mspe and -mno-spe.  Document
2456         -mvrsave and -mno-vrsave.  Document deprecation of -mspe= and
2457         -misel=.
2458
2459         * config/rs6000/aix.h: Remove XL_COMPAT stuff.  Remove
2460         SUBTARGET_SWITCHES and SUBSUBTARGET_SWITCHES.  Define
2461         TARGET_XL_COMPAT.
2462
2463         * config/rs6000/aix.opt: New.
2464         * config/rs6000/aix41.opt: New.
2465         * config/rs6000/aix64.opt: New.
2466         * config/rs6000/darwin.opt: New.
2467         * config/rs6000/linux64.opt: New.
2468         * config/rs6000/rs6000.opt: New.
2469         * config/rs6000/sysv4.opt: New.
2470
2471         * config/rs6000/sysv4.h: Delete definitions of MASK_* and
2472         associated TARGET_*.  Remove SUBTARGET_OPTIONS,
2473         SUBTARGET_SWITCHES.
2474         Define TARGET_USES_SYSV4_OPT.
2475         * config/rs6000/aix41.h: Remove SUBSUBTARGET_SWITCHES.
2476         * config/rs6000/aix43.h: Remove SUBSUBTARGET_SWITCHES.  Define
2477         TARGET_USES_AIX64_OPT.
2478         * config/rs6000/aix51.h: Same.
2479         * config/rs6000/aix52.h: Same.
2480         * config/rs6000/darwin.h: Remove SUBTARGET_SWITCHES,
2481         MASK_MACHO_DYNAMIC_NO_PIC, TARGET_MACHO_DYNAMIC_NO_PIC.
2482         Use TARGET_ALTIVEC_VRSAVE instead of rs6000_altivec_vrsave.
2483         Define TARGET_DYNAMIC_NO_PIC as TARGET_MACHO_DYNAMIC_NO_PIC.
2484         * config/rs6000/linux64.h: Use
2485         rs6000_explicit_options.  Remove EXTRA_SUBTARGET_SWITCHES.
2486
2487         * config/rs6000/rs6000.c: Remove definitions of
2488         rs6000_sched_restricted_insns_priority,
2489         rs6000_long_double_size_string, rs6000_altivec_vrsave,
2490         rs6000_altivec_vrsave_string, rs6000_isel, rs6000_spe,
2491         rs6000_float_gprs_string, rs6000_isel_string, rs6000_spe_string,
2492         rs6000_abi_string, rs6000_warn_altivec_long, rs6000_longcall,
2493         rs6000_alignment_string.  Define rs6000_explicit_options.
2494         (rs6000_parse_abi_options): Remove.
2495         (rs6000_parse_alignment_option): Remove.
2496         (rs6000_parse_float_gprs_option): Remove.
2497         (rs6000_handle_option): New.  Define TARGET_HANDLE_OPTION.  Define
2498         TARGET_DEFAULT_TARGET_FLAGS.
2499         (rs6000_override_options): Revamp to use new .opt machinery.
2500
2501         * config/rs6000/rs6000.h: Remove old MASK_* and TARGET_* in favor
2502         of new .opt machinery.  Remove target_flags.  Redefine
2503         TARGET_MFCRF and TARGET_POWERPC64.  Remove TARGET_SWITCHES,
2504         SUBTARGET_SWITCHES, TARGET_OPTIONS, SUBTARGET_OPTIONS,
2505         rs6000_float_gprs_string, rs6000_isel_string, rs6000_spe_string,
2506         rs6000_altivec_vrsave_string, rs6000_altivec_vrsave,
2507         rs6000_longcall_switch, rs6000_default_long_calls,
2508         rs6000_sched_costly_dep_str, rs6000_sched_costly_dep,
2509         rs6000_warn_altivec_long, rs6000_warn_altivec_long_switch, and
2510         TARGET_ALTIVEC_VRSAVE.
2511
2512 2005-05-05  Ralf Corsepius  <ralf.corsepius@rtems.org>
2513
2514         * config.gcc (hppa1.1-*-rtems*): Remove.
2515         * config/pa/rtems.h: Remove.
2516
2517 2005-05-05  Ralf Corsepius  <ralf.corsepius@rtems.org>
2518
2519         * config/rs6000/t-rtems (MULTILIB_NEW_EXCEPTIONS_ONLY):
2520         Exclude roe/603e multilib variants.
2521
2522 2005-05-04  Denis Chertykov  <denisc@overta.ru>
2523
2524         PR target/21284
2525         * config/avr/avr.c (avr_output_addr_vec_elt): Use special section
2526         for output.
2527
2528 2005-05-05  Richard Sandiford  <rsandifo@redhat.com>
2529
2530         * config.gcc (arm*-wince-pe*, arm-*-pe*, strongarm-*-pe): Add
2531         arm/pe.opt to $extra_options.
2532         * config/arm/arm.h (target_flags, target_fpu_name, target_fpe_name)
2533         (target_float_abi_name, target_float_switch, target_abi_name)
2534         (ARM_FLAG_APCS_FRAME, ARM_FLAG_POKE, ARM_FLAG_FPE, ARM_FLAG_APCS_STACK)
2535         (ARM_FLAG_APCS_FLOAT, ARM_FLAG_APCS_REENT, ARM_FLAG_BIG_END)
2536         (ARM_FLAG_INTERWORK, ARM_FLAG_LITTLE_WORDS, ARM_FLAG_NO_SCHED_PRO)
2537         (ARM_FLAG_ABORT_NORETURN, ARM_FLAG_SINGLE_PIC_BASE)
2538         (ARM_FLAG_LONG_CALLS, ARM_FLAG_THUMB, THUMB_FLAG_BACKTRACE)
2539         (THUMB_FLAG_LEAF_BACKTRACE, THUMB_FLAG_CALLEE_SUPER_INTERWORKING)
2540         (THUMB_FLAG_CALLER_SUPER_INTERWORKING, CIRRUS_FIX_INVALID_INSNS)
2541         (TARGET_APCS_FRAME, TARGET_POKE_FUNCTION_NAME, TARGET_FPE)
2542         (TARGET_APCS_STACK, TARGET_APCS_FLOAT, TARGET_APCS_REENT)
2543         (TARGET_BIG_END, TARGET_INTERWORK, TARGET_LITTLE_WORDS)
2544         (TARGET_NO_SCHED_PRO, TARGET_ABORT_NORETURN, TARGET_SINGLE_PIC_BASE)
2545         (TARGET_LONG_CALLS, TARGET_THUMB, TARGET_CALLER_INTERWORKING)
2546         (TARGET_CIRRUS_FIX_INVALID_INSNS, SUBTARGET_SWITCHES, TARGET_SWITCHES)
2547         (TARGET_OPTIONS, arm_cpu_select, arm_select,  structure_size_string)
2548         (arm_pic_register_string): Delete.
2549         (TARGET_BACKTRACE): Redefine using TARGET_TPCS_LEAF_FRAME and
2550         TARGET_TPCS_FRAME.
2551         (TARGET_DEFAULT, CONDITIONAL_REGISTER_USAGE): Update mask names.
2552         * config/arm/coff.h (TARGET_DEFAULT): Likewise.
2553         * config/arm/elf.h (TARGET_DEFAULT): Likewise.
2554         * config/arm/netbsd-elf.h (TARGET_DEFAULT): Likewise.
2555         * config/arm/netbsd.h (TARGET_DEFAULT): Likewise.
2556         * config/arm/semi.h (TARGET_DEFAULT): Likewise.
2557         * config/arm/uclinux-elf.h (TARGET_DEFAULT): Likewise.
2558         * config/arm/wince-pe.h (TARGET_DEFAULT): Likewise.
2559         * config/arm/pe.h (TARGET_DEFAULT): Likewise.
2560         (TARGET_FLAG_NOP_FUN, TARGET_NOP_FUN_DLLIMPORT): Delete.
2561         (SUBTARGET_SWITCHES): Delete.
2562         * config/arm/arm.c (target_float_switch): Delete.
2563         (arm_cpu_select): Moved from config/arm/arm.h.
2564         (target_fpu_name, target_fpe_name, target_float_abi_name)
2565         (target_abi_name, structure_size_string, arm_pic_register_string)
2566         (arm_select): Make static.
2567         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
2568         (arm_handle_option): New function.
2569         (arm_override_options): Update target_flags checks for new mask names.
2570         Remove target_float_switch code.
2571         (arm_expand_prologue, thumb_expand_prologue): Check
2572         !TARGET_SCHED_PROLOG instead of TARGET_NO_SCHED_PRO.
2573         * config/arm/arm.opt, config/arm/pe.opt: New files.
2574
2575 2005-05-05  Nathan Sidwell  <nathan@codesourcery.com>
2576
2577         * config/arc/arc.c (get_arc_condition_code): Use gcc_assert &
2578         gcc_unreachable as appropriate.
2579         (arc_double_limm_p, arc_setup_incoming_varargs,
2580         arc_compute_function_type, arc_output_function_prologue,
2581         arc_output_function_epilogue, arc_eligible_for_epilogue_delay,
2582         output_shift, arc_print_operand, arc_print_operand_address,
2583         arc_final_prescan_insn): Likewise.
2584         * config/arc/arc.md (*movdi_insn, *movdf_insn): Likewise.
2585
2586 2005-05-04  Geoffrey Keating  <geoffk@apple.com>
2587
2588         * config/rs6000/rs6000.md (P): Use TARGET_*BIT rather than
2589         comparing Pmode.
2590         (SDI): New.
2591         (cmp): Delete.
2592         (wd): New.
2593         (add<mode>3, add<mode>3_internal1, add<mode>3_internal2,
2594         add<mode>3_internal3, one_cmpl<mode>2, sub<mode>3, neg<mode>2,
2595         clz<mode>2, ctz<mode>2, ffs<mode>2): New.
2596         (addsi3, addsi3_internal1, addsi3_internal2, addsi3_internal3,
2597         (one_cmplsi2, subsi3, negsi2, clzsi2, ctzsi2, ffssi2): Remove.
2598         (adddi3, adddi3_internal1, adddi3_internal2, adddi3_internal3,
2599         (one_cmpldi2, subdi3, negdi2, clzdi2, ctzdi2, ffsdi2): Remove.
2600         (sync_compare_and_swap<mode>): Use <wd> rather than <cmp>.
2601
2602 2005-05-05  Paul Brook  <paul@codesourcery.com>
2603
2604         * Makefile.in: Replace dependencies on basic-block.h, c-pragma.h,
2605         cfgloop.h, diagnostic.h, insn-attr.h, langhooks-def.h, params.h,
2606         regs.h, system.h, tree-dump.h, tree-gimple.h, tree-scalar-evolution.h
2607         and tree-data-ref.h with *_H variables.
2608
2609 2005-05-05  Kelley Cook  <kcook@gcc.gnu.org>
2610
2611         * config/m32r/xm-m32r.h, config/m32r/xm-linux.h: Delete files.
2612
2613 2005-05-05  Kelley Cook  <kcook@gcc.gnu.org>
2614
2615         * system.h: Poison BYTEORDER and HOST_WORDS_BIG_ENDIAN.
2616
2617 2005-05-04  Gerald Pfeifer  <gerald@pfeifer.com>
2618
2619         * doc/contrib.texi (Contributors): Add Mostafa Hagog and Ayal Zaks.
2620
2621 2005-05-04 Fariborz Jahanian <fjahanian@apple.com>
2622
2623         * config/rs6000/rs6000.c (rs6000_emit_prologue): Emit
2624         setting of vrsave register for current function after
2625         call to save_world is emitted.
2626
2627 2005-05-05  Hans-Peter Nilsson  <hp@bitrange.com>
2628
2629         * config/mmix/predicates.md: New file.
2630         * config/mmix/mmix.c (mmix_symbolic_or_address_operand)
2631         (mmix_reg_or_constant_operand, mmix_reg_cc_operand)
2632         (mmix_foldable_comparison_operator, mmix_comparison_operator)
2633         (mmix_reg_or_0_operand, mmix_reg_or_8bit_operand): Remove.
2634         * config/mmix/mmix.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
2635         Don't define.
2636         * config/mmix/mmix.md: Include predicates.md.
2637         ("call", "call_value"): Force address to register if it isn't a
2638         mmix_symbolic_or_address_operand.
2639
2640 2005-05-04  Andrew MacLeod  <amacleod@redhat.com>
2641
2642         * tree-flow-inline.h (op_iter_init_use, op_iter_init_def): Assert that
2643         the flags are of appropriate types.
2644         (num_ssa_operands): Generalize using the generic interface.
2645         * tree-ssa-dce.c (remove_dead_stmt): Don't ask for kills on a DEF
2646         iterator.
2647
2648 2005-05-04  Richard Sandiford  <rsandifo@redhat.com>
2649
2650         * protoize.c (version_flag, quiet_flag, nochange_flag, nosave_flag)
2651         (keep_flag, local_flag, global_flag, cplusplus_flag): Make extern.
2652
2653 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
2654
2655         * tree-outof-ssa.c (edge_leader, stmt_list,
2656         analyze_edges_for_bb): Use VEC instead of VARRAY.
2657         (init_analayze_edges_for_bb, fini_analayze_edges_for_bb): New.
2658         (perform_edge_inserts): Call init_analayze_edges_for_bb and
2659         fini_analayze_edges_for_bb.
2660
2661 2005-05-04  James E Wilson  <wilson@specifixinc.com>
2662
2663         PR driver/21112
2664         * gcc.c (process_command): In the second argv scan loop, ignore
2665         Xassembler and Xpreprocessor, along with their argument.
2666
2667 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
2668
2669         * tree-flow-inline.h, tree-ssa-operands.c,
2670         tree-ssa-operands.h, tree-ssa-opfinalize.h:
2671         Likewise. tree-vn.c: Fix comment typos.
2672         * doc/passes.texi, doc/tree-ssa.texi: Fix typos.
2673
2674 2005-05-04  Paolo Bonzini  <bonzini@gnu.org>
2675
2676         * doc/tm.texi (Target Hooks): Document
2677         TARGET_RESOLVE_OVERLOADED_BUILTIN.
2678
2679 2005-05-04  Paul Brook  <paul@codesourcery.com>
2680
2681         * Makefile.in: Change dependencies on target.h to $(TARGET_H).
2682
2683 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
2684
2685         * dwarf2out.c (incomplete_types, retry_incomplete_types,
2686         gen_struct_or_union_type_die, dwarf2out_init): Use VEC instead
2687         of VARRAY.
2688
2689         * loop-unroll.c (var_to_expand, analyze_insn_to_expand_var,
2690         get_expansion, expand_var_during_unrolling,
2691         insert_var_expansion_initialization,
2692         combine_var_copies_in_loop_exit, release_var_copies): Use VEC
2693         instead of VARRAY.
2694
2695         * tree-ssa-loop-ivopts.c (rewrite_address_base): Don't call
2696         update_stmt.
2697
2698 2004-05-03  Andrew Pinski  <pinskia@physics.uc.edu>
2699
2700         PR middle-end/15618
2701         * fold-const.c (fold_widened_comparison): Treat BOOLEAN_TYPE
2702         the same as INTEGER_TYPE.
2703         (fold_binary): Fold "bool_var != 0" to bool_var.
2704         Fold "bool_var == 1" to bool_var.
2705
2706 2004-05-03  Richard Henderson  <rth@redhat.com>
2707
2708         PR middle-end/21318
2709         * function.c (instantiate_virtual_regs_in_insn): Use the mode
2710         from recog_data instead of insn_data.
2711
2712 2005-05-03  DJ Delorie  <dj@redhat.com>
2713
2714         * common.opt (fdiagnostics-show-option): No variable is needed.
2715         * diagnostic.h (diagnostic_context): Add show_option_requested flag.
2716         * diagnostic.c (diagnostic_initialize): Initialize show_option_requested.
2717         (diagnostic_report_diagnostic): Test for enabled diagnostics here.
2718         Save and restore original message format.  Use flag in context
2719         instead of global.
2720         (warning): Don't test for enabled warnings here.
2721         * opts.c (common_handle_option): Handle -fdiagnostics-show-option
2722         here.
2723
2724 2005-05-04  Kelley Cook  <kcook@gcc.gnu.org>
2725
2726         * config/m32r/xm-m32r.h: Don't define HOST_WORDS_BIG_ENDIAN.
2727         * config/m32r/xm-linux.h: Don't undefine HOST_WORDS_BIG_ENDIAN.
2728         * mips-tfile.c: Use WORDS_BIG_ENDIAN instead of HOST_WORDS_BIG_ENDIAN.
2729         * aclocal.m4: Don't include accross.m4.
2730         * configure.ac: Use AC_C_BIGENDIAN instead of AC_C_BIGENDIAN_CROSS.
2731         Use AC_CHECK_SIZEOF instead of AC_COMPILE_CHECK_SIZEOF.
2732         * configure, config.in: Regenerate.
2733
2734 2005-05-04  Jakub Jelinek  <jakub@redhat.com>
2735
2736         PR middle-end/21265
2737         * expr.h (enum block_op_methods): Add BLOCK_OP_TAILCALL.
2738         (clear_storage): Add argument.
2739         * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall):
2740         Add tailcall argument, set CALL_EXPR_TAILCALL of the CALL_EXPR to
2741         tailcall.
2742         (emit_block_move): Handle BLOCK_OP_TAILCALL method.
2743         (clear_storage): Add method argument, handle BLOCK_OP_TAILCALL.
2744         (store_expr, store_constructor): Adjust callers.
2745         * builtins.c (expand_builtin_memcpy): Pass BLOCK_OP_TAILCALL
2746         to emit_block_move if CALL_EXPR_TAILCALL (exp).
2747         (expand_builtin_memmove): Add ORIG_EXP argument, copy
2748         CALL_EXPR_TAILCALL from ORIG_EXP to the new CALL_EXPR.
2749         (expand_builtin_bcopy): Replace ARGLIST and TYPE arguments
2750         with EXP.  Pass EXP to expand_builtin_memmove.
2751         (expand_builtin_memset): Add ORIG_EXP argument, pass
2752         BLOCK_OP_TAILCALL to clear_storage if CALL_EXPR_TAILCALL (orig_exp).
2753         (expand_builtin_bzero): Replace ARGLIST argument with EXP.
2754         Pass EXP to expand_builtin_memset.
2755         (expand_builtin_strcmp): Copy CALL_EXPR_TAILCALL from EXP to
2756         the new CALL_EXPR.
2757         (expand_builtin_strncmp): Likewise.
2758         (expand_builtin_printf): Replace ARGLIST argument with EXP.
2759         Copy CALL_EXPR_TAILCALL from EXP to the new CALL_EXPR.
2760         (expand_builtin_fprintf): Likewise.
2761         (expand_builtin): Adjust calls to
2762         expand_builtin_{memmove,bcopy,memset,bzero,{,f}printf}.
2763
2764         * config/i386/i386.c (ix86_expand_vector_set): Fix setting 3rd and 4th
2765         item in V4SF mode.
2766
2767         PR rtl-optimization/21239
2768         * combine.c (combine_simplify_rtx) <case VEC_SELECT>: Fix a typo.
2769
2770 2005-05-03  Kazu Hirata  <kazu@cs.umass.edu>
2771
2772         * tree-flow.h (tree_ann_common_d): Move aux to ...
2773         (stmt_ann_d): ... here.
2774         * tree-ssa-loop-im.c (LIM_DATA, determine_invariantness_stmt,
2775         move_computations_stmt, schedule_sm): Update references to
2776         aux.
2777         * tree-vectorizer.h (set_stmt_info, vinfo_for_stmt): Likewise.
2778
2779         * tree-cfg.c (remove_bb): Remove a redundant call to
2780         set_bb_for_stmt.
2781         * tree-if-conv.c (replace_phi_with_cond_modify_expr):
2782         Likewise.
2783
2784 2005-05-03  Richard Henderson  <rth@redhat.com>
2785
2786         * config/rs6000/rs6000.c: Remove conflict markers.
2787
2788         * cfg.c (dump_flow_info): Use max_reg_num, not max_regno.
2789
2790 2005-05-03  James E Wilson  <wilson@specifixinc.com>
2791
2792         * dwarf2out.c (lookup_filename): Call maybe_emit_file.
2793
2794 2005-05-03  DJ Delorie  <dj@redhat.com>
2795
2796         * c-decl.c (store_parm_decls_oldstyle): Let diagnostic machinery
2797         decide if the warning will be printed.
2798         * calls.c (expand_call): Likewise.
2799         * function.c (init-function_start): Likewise.
2800
2801         * common.opt (-fdiagnostics-show-option): New.
2802         * opts.c (option_enabled): Accept the option index instead of a
2803         pointer to the option descriptor.
2804         * opts.h (option_enabled): Likewise.
2805         * toplev.c (print_switch_values): Pass option index, not option
2806         descriptor.
2807         * diagnostic.h (diagnostic_info): Add option_index.
2808         * diagnostic.c: Include opts.h.
2809         (diagnostic_set_info): Initialize option_index.
2810         (diagnostic_report_diagnostic): Amend option name if appropriate.
2811         (warning): Check to see if the specified warning is enabled.
2812         Store option index.
2813         * doc/invoke.texi (-fdiagnostics-show-options): Document.
2814
2815 2005-05-03  Richard Henderson  <rth@redhat.com>
2816
2817         * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Fix ALL_REGS and
2818         SPEC_OR_GEN_REGS definitions.
2819
2820 2005-05-03  Alexandre Oliva  <aoliva@redhat.com>
2821
2822         PR target/16888
2823         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Clear reg names
2824         for unavailable registers.
2825
2826 2005-05-03  Kazu Hirata  <kazu@cs.umass.edu>
2827
2828         * tree-cfg.c (tree_forwarder_block_p): Fix a typo.
2829
2830         * cfglayout.c (block_locators_blocks,
2831         insn_locators_initialize, insn_scope): Use VEC instead of
2832         VARRAY.
2833
2834         * tree-mudflap.c (deferred_static_decls, mudflap_enqueue_decl,
2835         mudflap_finish_file, mudflap_finish_file): Use VEC instead of
2836         VARRAY.
2837
2838 2005-05-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
2839
2840         * config/sparc/predicates.md (const_compl_high_operand): New.
2841         * config/sparc/sparc.c (sparc_emit_set_safe_HIGH64): Rename into
2842         gen_safe_HIGH64.
2843         (sparc_emit_set_const64_quick1): Adjust for above change.
2844         (sparc_emit_set_const64_quick2): Likewise.
2845         (sparc_emit_set_const64_longway): Likewise.
2846         (sparc_emit_set_const64): Likewise.
2847         * config/sparc/sparc.md (movhi_const64_special, movsi_const64_special,
2848         movdi_const64_special): Delete.
2849         (logical constant splitters): Use const_compl_high_operand.
2850
2851 2005-05-03  Richard Guenther  <rguenth@gcc.gnu.org>
2852
2853         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Use STRIP_TYPE_NOPS
2854         rather than STRIP_NOPS.
2855
2856 2005-05-03  Jakub Jelinek  <jakub@redhat.com>
2857
2858         PR rtl-optimization/21330
2859         * loop-unswitch.c (may_unswitch_on): Set *cinsn only when
2860         returning non-NULL.
2861         (unswitch_single_loop): Clear cinsn when retrying.
2862
2863         PR target/21297
2864         * config/i386/i386.c (legitimize_address): When canonicalizing
2865         ASHIFT into MULT, multiply by 1 << shift_count instead of
2866         1 << log2 (shift_count).
2867
2868 2005-05-03  Andrew MacLeod  <amacleod@redhat.com>
2869
2870         * lambda-code.c (gcc_loop_to_lambda_loop,
2871         lambda_loopnest_to_gcc_loopnest, phi_loop_edge_uses_def,
2872         stmt_is_bumper_for_loop, perfect_nest_p, replace_uses_of_x_with_y): Use
2873         generic operand interface.
2874         * tree-data-ref.c (find_data_references_in_loop): Use generic interface.
2875         * tree-dfa.c (collect_dfa_stats_r, mark_new_vars_to_rename): Use
2876         generic operand interface.
2877         * tree-flow-inline.h (delink_imm_use, link_imm_use_to_list,
2878         link_imm_use, link_imm_use_stmt, relink_imm_use, relink_imm_use_stmt,
2879         next_safe_imm_use, has_zero_uses, has_single_use, single_imm_use,
2880         num_imm_uses): Use ssa_use_operand_t.
2881         (get_def_ops, get_use_ops, get_v_may_def_ops, get_vuse_ops,
2882         get_v_must_def_ops): Delete.
2883         (get_def_from_ptr, get_phi_result_ptr): Get def directly now.
2884         (get_use_op_ptr, get_def_op_ptr, get_v_may_def_result_ptr,
2885         get_v_may_def_op_ptr, get_vuse_op_ptr, get_v_must_def_result_ptr,
2886         get_v_must_def_kill_ptr): Delete.
2887         (delink_stmt_imm_use): Move and use new operand interface.
2888         (op_iter_next_use, op_iter_next_def, op_iter_next_tree, op_iter_init,
2889         op_iter_next_tree): Use new operand implementation.
2890         (clear_and_done_ssa_iter): New.  Initialize a blank operand iterator.
2891         (op_iter_init_use, op_iter_init_def, op_iter_init_tree): Add iterator
2892         type check.
2893         (op_iter_next_mustdef, op_iter_next_maydef,
2894         op_iter_next_must_and_may_def): Delete. Replace with...
2895         (op_iter_next_maymustdef): New.  Combine must and may next operations.
2896         (op_iter_init_maydef, op_iter_init_mustdef,
2897         op_iter_init_must_and_may_def): Use new interface.
2898         (single_ssa_tree_operand ): New.  Process single operands only as trees.
2899         (single_ssa_use_operand): New.  Process single operands only as uses.
2900         (single_ssa_def_operand): New.  Process single operands only as defs.
2901         (zero_ssa_operands): New.  Return TRUE if there are zero operands of the
2902         specified types.
2903         (num_ssa_operands): New.  Count the number of specified operands.
2904         (compare_ssa_operands_equal): New.  Compare two statements' operands.
2905         (single_phi_def): New.  Return true if PHI has one def of the specified
2906         operand type.
2907         (op_iter_init_phiuse): New.  Initialize the iterator for PHI arguments.
2908         (op_iter_init_phidef): New.  Initialize the iterator for the PHI def.
2909         * tree-flow.h (struct immediate_use_iterator_d): Use ssa_use_operand_t.
2910         (struct stmt_ann_d): Operands field no longer require GTY().
2911         (vn_compute, vn_lookup_or_add, vn_add, vn_lookup): Change prototype.
2912         * tree-into-ssa.c (mark_def_sites): Use SSA_OP_VMUSTKILL.
2913         * tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb,
2914         dump_replaceable_exprs, rewrite_trees): Use generic interface.
2915         * tree-phinodes.c (make_phi_node, release_phi_node, resize_phi_node):
2916         Use use_operand_p instead of ssa_imm_use_t *.
2917         * tree-pretty-print.c (dump_vops): check if operands are active before
2918         dumping virtual operands.
2919         * tree-sra.c (sra_walk_function): Use ZERO_SSA_OPERANDS.
2920         * tree-ssa-ccp.c (likely_value): Use ZERO_SSA_OPERANDS.
2921         (ccp_fold): Use new interface.
2922         (ccp_visit_stmt): Remove unused variables and code.
2923         (convert_to_gimple_builtin): Insert statements before calling
2924         mark_new_vars_to_rename.
2925         * tree-ssa-copy.c (stmt_may_generate_copy): Use ZERO_SSA_OPERANDS.
2926         (copy_prop_visit_cond_stmt): Use generic interface.
2927         * tree-ssa-dom.c (struct expr_hash_elt): Use stmt pointer, not the
2928         annotation in table.
2929         (thread_across_edge): Use generic interface.
2930         (initialize_hash_element): Initialzie with stmt, not annotation.
2931         (eliminate_redundant_computations): Use generic interface.
2932         (record_equivalences_from_stmt): Pass stmt, not annotation.
2933         (avail_expr_hash, real_avail_expr_hash, avail_expr_eq): Use generic
2934         interface.
2935         * tree-ssa-dse.c (dse_optimize_stmt): Use ZERO_SSA_OPERANDS.
2936         * tree-ssa-loop-ivopts.c (find_invariants_stmt,
2937         find_interesting_uses_stmt, protect_loop_closed_ssa_form_use): Use
2938         generic operand interface.
2939         * tree-ssa-loop-niter.c (chain_of_csts_start, get_val_for): Use generic
2940         interface.
2941         * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Use Generic operand
2942         Interface.
2943         * tree-ssa-operands.c (struct opbuild_list_d): New.  Operand build type.
2944         (build_defs, build_uses, build_v_may_defs, build_vuses,
2945         build_v_must_defs): Change type to struct opbuild_list_d.
2946         (ops_active): New.  Operands active boolean.
2947         (operand_memory, operand_memory_index): New.  Operand memory managers.
2948         (allocate_def_optype, allocate_use_optype, allocate_v_may_def_optype,
2949         allocate_vuse_optype, allocate_v_must_def_optype): Delete.
2950         (free_uses, free_defs, free_vuses, free_v_may_defs, free_v_must_defs):
2951         Change from functions to static variable list heads.
2952         (opbuild_initialize_virtual): New.  Initialize a virtual build list.
2953         (opbuild_initialize_real): New.  Initialize a virtual build list.
2954         (opbuild_free): New.  Free a build list.
2955         (opbuild_num_elems): New.  Number of items in a list.
2956         (opbuild_append_real): New.  Add a real (tree *) operand.
2957         (opbuild_append_virtual): New.  Add and sort a virtual (tree) operand.
2958         (opbuild_first): New.  Return first element index in a list.
2959         (opbuild_next): New.  Return next element in a list.
2960         (opbuild_elem_real): New.  Return real element.
2961         (opbuild_elem_virtual): New.  Return virtual element.
2962         (opbuild_elem_uid): New.  Return UID of virtual element.
2963         (opbuild_clear): New.  Reset an operand list.
2964         (opbuild_remove_elem): New.  Remove an element form a list.
2965         (ssa_operands_active): New.  Return true if operand cache is active.
2966         (init_ssa_operands, fini_ssa_operands): Initialize new implementation.
2967         (ssa_operand_alloc): New.  Allocate memory from an operand chunk.
2968         (correct_use_link): Use use_operand_p.
2969         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_defs,
2970         finalize_ssa_vuses, finalize_ssa_v_must_defs): New implmentation.
2971         (cleanup_v_may_defs): Use new implmentation.
2972         (finalize_ssa_stmt_operands, start_ssa_stmt_operands): New
2973         implementation.
2974         (append_def, append_use, append_v_may_def, append_vuse,
2975         append_v_must_def): Call opbuild_append routine instead of using varray.
2976         (build_ssa_operands): Simplify to simply use stmt, don't maintain a
2977         global parse_old_ops variable.
2978         (free_ssa_operands): New implementation.
2979         (update_stmt_operands): Move.  Change argument to build_ssa_operands.
2980         (copy_virtual_operands): Move. New generic implementation.
2981         (create_ssa_artficial_load_stmt): Move. New implementation.
2982         (swap_tree_operands): Update for new implementation.
2983         (get_expr_operands): Add stmt parameter to calls to swap_tree_operands.
2984         (add_call_clobber_ops, add_call_read_ops): Initialize opbuild list
2985         rather than a varray.
2986         (verify_imm_links): Use use_operand_p.
2987         (dump_immediate_uses_for): If the immediate use variable is a virtual
2988         variable, show the virtual ops in the stmt.
2989         * tree-ssa-operands.h (def_operand_p): No longer a structure.
2990         (NULL_DEF_OPERAND_P): Now a #define.
2991         (def_optype_d, use_optype_d, v_def_use_operand_type, v_may_def_optype_d,
2992         vuse_operand_type, vuse_optype_d, v_must_def_optype_d): Delete.
2993         (def_optype_d, use_optype_d, maydef_optype_d, vuse_optype_d,
2994         mustdef_optype_d): New.  Use Linked list representation.
2995         (SSA_OPERAND_MEMORY_SIZE): New.  Size of operand memory chunk.
2996         (struct ssa_operand_memory_d): New.  Allocated Chunk node.
2997         (struct stmt_operands_d): Change to new pointers that are not GTY.
2998         (STMT_USE_OPS, NUM_USES, SET_USE_OP, STMT_DEF_OPS, NUM_DEFS, SET_DEF_OP,
2999         STMT_V_MAY_DEF_OPS, NUM_V_MAY_DEFS, SET_V_MAY_DEF_RESULT,
3000         SET_V_MAY_DEF_OP, STMT_VUSE_OPS, NUM_VUSES, SET_VUSE_OP,
3001         STMT_V_MUST_DEF_OPS, NUM_V_MUST_DEFS, SET_V_MUST_DEF_RESULT,
3002         SET_V_MUST_DEF_KILL): Delete.
3003         (V_MAY_DEF_OPS, V_MAY_DEF_RESULT_PTR, V_MAY_DEF_RESULT,
3004         V_MAY_DEF_OP_PTR, V_MAY_DEF_OP): Rename to MAYDEF_*.
3005         (V_MUST_DEF_OPS, V_MUST_DEF_RESULT_PTR, V_MUST_DEF_RESULT,
3006         V_MUST_DEF_KILL_PTR, V_MUST_DEF_KILL): Rename to MUSTDEF_*.
3007         (enum ssa_op_iter_type): Operand iterator typechecking values.
3008         (struct ssa_operand_iterator_d): Use linked lists of operands.
3009         (SSA_OP_VMUSTDEFKILL): Rename to SSA_OP_VMUSTKILL.
3010         (FOR_EACH_SSA_MAYDEF_OPERAND, FOR_EACH_SSA_MUSTDEF_OPERAND,
3011         FOR_EACH_SSA_MUST_AND_MAY_DEF_OPERAND): Use op_iter_next_maymustdef.
3012         (FOR_EACH_PHI_ARG): New.  Iterate over PHI arguments.
3013         (FOR_EACH_PHI_OR_STMT_USE): New.  Iterate over PHI or stmt uses.
3014         (FOR_EACH_PHI_OR_STMT_DEF): New.  Iterate over PHI or stmt defs.
3015         (SINGLE_SSA_TREE_OPERAND, SINGLE_SSA_USE_OPERAND,
3016         SINGLE_SSA_DEF_OPERAND, ZERO_SSA_OPERANDS, NUM_SSA_OPERANDS): New.
3017         * tree-ssa-opfinalize.h: New.  Function templates for expansion.
3018         (FINALIZE_ALLOC): Expands into alloc_def, alloc_use, alloc_maydef,
3019         alloc_vuse, and alloc_mustdef.
3020         (FINALIZE_FUNC): Expands into finalize_ssa_def_ops,
3021         finalize_ssa_use_ops, finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
3022         and finalize_ssa_v_must_def_ops.
3023         * tree-ssa-pre.c (add_to_sets): Pass tree to vn_add.
3024         (create_value_expr_from): Use stmt not vuse_optype as a parameter. Pass
3025         stmt around.
3026         (compute_avail): Use generic iterator interface.
3027         * tree-ssa-propagate.c (first_vdef): Use generic operand interface.
3028         (stmt_makes_single_load, stmt_makes_single_store): Use
3029         ZERO_SSA_OPERANDS.
3030         * tree-ssa-sink.c (is_hidden_global_store): Use ZERO_SSA_OPERANDS.
3031         (statement_sink_location): Use generic interface.
3032         * tree-ssa.c (verify_ssa):  Use %p in fprintf.  Use generic interface.
3033         (delete_tree_ssa): Don't call release_defs.  Call release_ssa_name and
3034         reset the immediate use link nodes.
3035         (stmt_references_memory_p): Use ZERO_SSA_OPERANDS.
3036         * tree-ssanames.c (make_ssa_name): Use use_operand_p.
3037         * tree-tailcall.c (find_tail_calls): Use ZERO_SSA_OPERANDS.
3038         (eliminate_tail_call): Use generic operand interface.
3039         * tree-vect-analyze.c (vect_analyze_data_refs): Use ZERO_SSA_OPERANDS.
3040         (vect_mark_relevant, vect_mark_stmts_to_be_vectorized): Use generic
3041         interface.
3042         * tree-vect-transform.c (update_vuses_to_preheader): Use generic
3043         interface.
3044         * tree-vectorizer.c (rename_variables_in_bb): Use generic interface.
3045         * tree-vn.c (struct val_expr_pair_d): Cache statment pointer instead of
3046         vuse_optype.
3047         (vn_compute, val_expr_pair_hash, vn_add, vn_lookup, vn_lookup_or_add):
3048         Use statement pointer instead of vuse_optype.  Use generic interface.
3049         * tree-vrp.c (maybe_add_assert_expr): Use generic interface.
3050         (stmt_interesting_for_vrp, vrp_visit_stmt): Use ZERO_SSA_OPERANDS.
3051         * tree.h (struct ssa_imm_use_d): Renamed to ssa_use_operand_d.
3052         (tree_ssa_name, phi_arg_d): Use ssa_use_operand_d.
3053         * doc/tree-ssa.texi: Update documentation for operand interface.
3054
3055 2005-05-03  Nathan Sidwell  <nathan@codesourcery.com>
3056
3057         * config/darwin.c (machopic_define_symbol): Use gcc_assert or
3058         gcc_unreachable as appropriate.
3059         (machopic_function_base_name, machopic_indirect_data_reference,
3060         machopic_legitimize_pic_address, darwin_non_lazy_pcrel): Likewise.
3061         * config/host-darwin.c (darwin_gt_pch_use_address): Likewise
3062         * config/rs6000/altivec.md (*mov<mode>_internal,
3063         build_vector_mask_for_load): Likewise.
3064         * config/rs6000/darwin.md (movdf_low_si, movdf_low_di,
3065         *call_nonlocal_darwin64, *call_value_nonlocal_darwin64,
3066         *sibcall_symbolic_64, *sibcall_value_symbolic_64): Likewise.
3067         * config/rs6000/predicates.md (easy_fp_constant,
3068         logical_operand): Likewise.
3069         * config/rs6000/rs6000.c (spe_expand_predicate_builtin,
3070         compute_save_world_info, rs6000_emit_prologue,
3071         rs6000_output_mi_thunk): Reword comments to avoid 'abort'.
3072         * config/rs6000/host-darwin.c (segv_handler): Use fancy_abort
3073         directly.
3074
3075 2005-05-03  Uros Bizjak  <uros@kss-loka.si>
3076
3077         PR middle-end/21282
3078         * convert.c (convert_to_integer): Convert ceil and floor in
3079         c99 mode only.
3080
3081 2005-04-29  Geoffrey Keating  <geoffk@apple.com>
3082
3083         PR target/20813
3084         * config/rs6000/rs6000.md (floatsidf2_internal): Merge to create
3085         define_insn_and_split.  Split only when memory operand is
3086         offsettable.  Use adjust_address rather than plus_constant.
3087         (floatunssidf2_internal): Likewise.
3088         (fix_truncdfsi2_internal): Split only when memory operand is
3089         offsettable.  Use adjust_address rather than plus_constant.
3090         (fix_trunctfsi2_internal): Likewise.
3091         (floatsidf2_internal): Likewise.
3092
3093 2005-05-02  Diego Novillo  <dnovillo@redhat.com>
3094
3095         * tree-vrp.c (set_value_range_to_nonnull): Declare inline.
3096         (set_value_range_to_null): Likewise.
3097         (set_value_range_to_varying): New function.  Use it in all
3098         call sites that used to call set_value_range (vr, VR_VARYING, ...).
3099         (extract_range_from_assert): If the integral type has a
3100         super-type, and LIMIT is not within MIN and MAX values of that
3101         type, set the resulting range to VR_VARYING.
3102
3103 2005-05-02  Hans-Peter Nilsson  <hp@bitrange.com>
3104
3105         * config/mmix/mmix.opt: New file.
3106         * config/mmix/mmix.h: Move options-related comments to mmix.opt.
3107         (mmix_cc1_ignored_option): Don't declare.
3108         (TARGET_OPTIONS, TARGET_MASK_LIBFUNCS, TARGET_MASK_ABI_GNU)
3109         (TARGET_MASK_FCMP_EPSILON, TARGET_MASK_ZERO_EXTEND)
3110         (TARGET_MASK_KNUTH_DIVISION, TARGET_MASK_TOPLEVEL_SYMBOLS)
3111         (TARGET_MASK_BRANCH_PREDICT, TARGET_MASK_USE_RETURN_INSN)
3112         (TARGET_MASK_BASE_ADDRESSES, TARGET_LIBFUNC, TARGET_ABI_GNU,
3113         (TARGET_FCMP_EPSILON, TARGET_ZERO_EXTEND, TARGET_KNUTH_DIVISION)
3114         (TARGET_TOPLEVEL_SYMBOLS, TARGET_BRANCH_PREDICT)
3115         (TARGET_BASE_ADDRESSES, TARGET_USE_RETURN_INSN, TARGET_SWITCHES):
3116         Don't define.
3117         (TARGET_DEFAULT): Change TARGET_MASK_... to MASK_...
3118         * config/mmix/mmix.c (mmix_cc1_ignored_option): Remove.
3119         (TARGET_DEFAULT_TARGET_FLAGS): Override default.
3120
3121 2005-05-02  Joseph S. Myers  <joseph@codesourcery.com>
3122
3123         PR c/15698
3124         * c-tree.h (C_DECL_BUILTIN_PROTOTYPE): New.
3125         * c-decl.c (current_function_prototype_built_in,
3126         current_function_prototype_arg_types): New.
3127         (merge_decls): Keep source location of prototype followed by
3128         nonprototype declaration.  Update C_DECL_BUILTIN_PROTOTYPE.
3129         (builtin_function): Set C_DECL_BUILTIN_PROTOTYPE.
3130         (start_function): Always set current_function_prototype_locus,
3131         current_function_prototype_built_in and
3132         current_function_prototype_arg_types.  Check for external
3133         prototype whether or not visible for external function and set
3134         current_function_prototype_arg_types accordingly.
3135         (store_parm_decls_oldstyle): Use
3136         current_function_prototype_arg_types for checking old-style
3137         definition against prototype.  Give warnings only if
3138         current_function_prototype_built_in).
3139
3140 2005-05-02  Daniel Jacobowitz  <dan@codesourcery.com>
3141
3142         * ggc.h (ggc_alloc_zone_pass_stat): New macro.
3143         (ggc_alloc_zone_stat): Don't define.
3144         * ggc-zone.c (ggc_alloc_typed_stat, ggc_alloc_stat): Use
3145         ggc_alloc_zone_pass_stat.
3146         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Likewise.
3147         * tree.c (make_node_stat, copy_node_stat, make_tree_binfo_stat)
3148         (make_tree_vec_stat, tree_cons_stat, build1_stat): Likewise.
3149
3150 2005-05-02  Daniel Jacobowitz  <dan@codesourcery.com>
3151
3152         * calls.c (expand_call): Handle current_function_pretend_args_size
3153         when checking for sibcalls.
3154
3155 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
3156
3157         PR tree-optimization/21294
3158         * tree-vrp.c (vrp_expr_computes_nonzero): New.
3159         (extract_range_from_expr): Call vrp_expr_computes_nonzero.
3160
3161 2005-05-02  Janis Johnson  <janis187@us.ibm.com>
3162
3163         PR 19985
3164         * gcov-io.h: Declare gcov external functions hidden.
3165
3166 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
3167
3168         * tree-ssa-uncprop.c (equiv_hash_elt, remove_equivalence,
3169         record_equiv, tree_ssa_uncprop, uncprop_into_successor_phis):
3170         Use VEC instead of VARRAY.
3171         (equiv_free): New.
3172
3173         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Factor
3174         out common code.
3175
3176 2005-05-02  Paolo Bonzini  <bonzini@gnu.org>
3177
3178         * c-common.c (resolve_overloaded_builtin): Forward to target
3179         hook for BUILT_IN_MD built-ins.
3180         * c-typeck.c (finish_call_expr): Call resolve_overloaded_builtin
3181         for all types of built-in.
3182         * target-def.h (TARGET_RESOLVE_OVERLOADED_BUILTIN): New.  Use it
3183         in the definition of the target hooks struct.
3184         * target.h (struct gcc_target): Add resolve_overloaded_builtin.
3185         * config/rs6000/altivec.h: Rewritten.
3186         * config/rs6000/rs6000-c.c (struct altivec_builtin_types,
3187         altivec_resolve_overloaded_builtin, altivec_build_resolved_builtin,
3188         rs6000_builtin_type, rs6000_builtin_type_compatible,
3189         altivec_overloaded_builtins, rs6000_builtin_type,
3190         rs6000_builtin_type_compatible): New.
3191         * config/rs6000/rs6000.c (rs6000_builtin_types, rs6000_builtin_decls):
3192         New.
3193         (def_builtin): Turn into a function.  Check for duplicates and store
3194         the builtin into rs6000_builtin_decls.
3195         (bdesc_3arg, bdesc_dst, bdesc_altivec_preds, bdesc_2arg,
3196         bdesc_1arg): Add overloaded builtins.
3197         (altivec_expand_builtin): Check for unresolved overloaded builtins,
3198         do not support ALTIVEC_COMPILETIME_ERROR.
3199         (rs6000_init_builtins): Add opaque 128-bit vector, and internal
3200         nodes to represent front-end types.
3201         (altivec_init_builtins, rs6000_common_init_builtins): Create builtins
3202         with opaque arguments and/or return values.
3203         * config/rs6000/rs6000.h (enum rs6000_builtins): Remove
3204         ALTIVEC_COMPILETIME_ERROR and add Altivec overloaded builtins.
3205         (rs6000_builtin_type_index): New.
3206         (is_ev64_opaque_type): Rename to...
3207         (rs6000_is_opaque_type): ... this.
3208         (rs6000_cpu_cpp_builtins): Install the resolve_overloaded_builtin
3209         target hook.
3210
3211 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
3212
3213         * function.c (reorder_blocks, reorder_blocks_1): Use VEC
3214         instead of VARRAY.
3215
3216 2005-05-02  Nathan Sidwell  <nathan@codesourcery.com>
3217             Bernd Schmidt  <bernd.schmidt@analog.com>
3218
3219         * config/bfin/bfin.c (emit_link_insn, effective_address_32bit_p,
3220         print_address_operand, print_operand, legitimize_pic_address,
3221         asm_conditional_branch, bfin_gen_compare, output_push_multiple,
3222         output_pop_multiple): Use gcc_assert or gcc_unreachable as
3223         appropriate.
3224         * config/bfin/bfin.md (movsf splitter, beq, bne): Likewise.
3225
3226 2005-05-02  Dorit Naishlos  <dorit@il.ibm.com>
3227
3228         * doc/passes.texi: Document vectorization pass.
3229
3230 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
3231
3232         * tree-scalar-evolution.c (get_exit_conditions_rec,
3233         select_loops_exit_conditions,
3234         number_of_iterations_for_all_loops,
3235         analyze_scalar_evolution_for_all_loop_phi_nodes,
3236         scev_analysis): Use VEC instead of VARRAY.
3237
3238 2005-05-02  Michael Matz  <matz@suse.de>
3239
3240         PR c++/19542
3241         * c-common.c (c_common_nodes_and_builtins): Create global null_node.
3242         (warn_strict_null_sentinel): Define.
3243         (check_function_sentinel): Check for null_node as valid sentinel too.
3244         * c-common.h (c_tree_index): Added CTI_NULL.
3245         (null_node) Define global_tree[CTI_NULL].
3246         (warn_strict_null_sentinel): Declare.
3247         * c-opts.c: (c_common_handle_option): Handle -Wstrict-null-sentinel.
3248         * c.opt: (Wstrict-null-sentinel): New C++ option.
3249         * doc/invoke.texi (C++ Options): Document -Wstrict-null-sentinel.
3250
3251 2005-05-01  Kazu Hirata  <kazu@cs.umass.edu>
3252
3253         * gimplify.c (gimplify_compound_lval): Use VEC instead of
3254         VARRAY.
3255
3256         * global.c (calculate_reg_pav): Use VEC instead of VARRAY.
3257
3258         * dwarf2out.c (decl_scope_table, push_decl_scope,
3259         pop_decl_scope, scope_die_for, dwarf2out_init): Use VEC
3260         instead of VARRAY.
3261
3262 2005-05-01  Mark Mitchell  <mark@codesourcery.com>
3263
3264         PR C++/14391
3265         * c-cppbuiltin.c (c_cpp_builtins): Do not define __GXX_WEAK__ to 1
3266         if !flag_weak.
3267         * doc/cpp.texi (__DEPRECATED): Document.
3268         (__EXCEPTIONS): Likewise.
3269         (__GXX_WEAK__): Likewise.
3270
3271         * function.c (INVOKE__main): Do not define.
3272         (expand_main_function): Check HAS_INIT_SECTION when determining
3273         whether or not to call __main.
3274
3275 2005-05-01  Kazu Hirata  <kazu@cs.umass.edu>
3276
3277         * tree-ssa-loop-ivopts.c: Fix a comment typo.
3278
3279 2005-01-05  Paul Brook  <paul@codesourcery.com>
3280
3281         * config/arm/arm.h (ARM_EMIT_TRAMPOLINE_CACHE_CLEAR): Define.
3282         (INITIALIZE_TRAMPOLINE): Use it.
3283         * config/arm/linux-gas.h (INITIALIZE_TRAMPOLINE): Remove.
3284         * config/arm/netbsd.h (INITIALIZE_TRAMPOLINE): Remove.
3285         * config/arm/netbsd-elf.h (INITIALIZE_TRAMPOLINE): Remove.
3286
3287 2005-05-01  Gerald Pfeifer  <gerald@pfeifer.com>
3288
3289         * doc/install.texi (Specific): Omit dots in the @anchors names
3290         for i?86-*-sco3.2v5*, i?86-*-solaris2.10, and sparc-sun-solaris2.7.
3291         Omit underscores for x86_64-*-* and the "all ELF targets" entry.
3292
3293 2005-05-01  Zdenek Dvorak  <dvorakz@suse.cz>
3294
3295         PR tree-optimization/18316
3296         PR tree-optimization/19126
3297         * tree.c (build_int_cst_type): Avoid shift by size of type.
3298         * tree-scalar-evolution.c (simple_iv): Add allow_nonconstant_step
3299         argument.
3300         * tree-scalar-evolution.h (simple_iv): Declaration changed.
3301         * tree-ssa-loop-ivopts.c (struct iv_cand): Add depends_on
3302         field.
3303         (dump_cand): Dump depends_on information.
3304         (determine_biv_step): Add argument to simple_iv call.
3305         (contains_abnormal_ssa_name_p): Handle case expr == NULL.
3306         (find_bivs, find_givs_in_stmt_scev): Do not require step to be a
3307         constant.
3308         (add_candidate_1): Record depends_on for candidates.
3309         (tree_int_cst_sign_bit, constant_multiple_of): New functions.
3310         (get_computation_at, get_computation_cost_at, may_eliminate_iv):
3311         Handle ivs with nonconstant step.
3312         (iv_ca_set_remove_invariants, iv_ca_set_add_invariants): New functions.
3313         (iv_ca_set_no_cp, iv_ca_set_cp): Handle cand->depends_on.
3314         (create_new_iv): Unshare the step before passing it to create_iv.
3315         (free_loop_data): Free cand->depends_on.
3316         (build_addr_strip_iref): New function.
3317         (find_interesting_uses_address): Use build_addr_strip_iref.
3318         (strip_offset_1): Split the recursive part from strip_offset.
3319         Strip constant offset component_refs and array_refs.
3320         (strip_offset): Split the recursive part to strip_offset_1.
3321         (add_address_candidates): Removed.
3322         (add_derived_ivs_candidates): Do not use add_address_candidates.
3323         (add_iv_value_candidates): Add candidates with stripped constant
3324         offset.  Consider all candidates with initial value 0 important.
3325         (struct affine_tree_combination): New.
3326         (aff_combination_const, aff_combination_elt, aff_combination_scale,
3327         aff_combination_add_elt, aff_combination_add,
3328         tree_to_aff_combination, add_elt_to_tree, aff_combination_to_tree,
3329         fold_affine_sum): New functions.
3330         (get_computation_at): Use fold_affine_sum.
3331         * tree-ssa-loop-manip.c (create_iv): Handle ivs with nonconstant step.
3332         * tree-ssa-loop-niter.c (number_of_iterations_exit): Add argument
3333         to simple_iv call.
3334
3335 2005-04-30  Michael Matz  <matz@suse.de>
3336
3337         * config/i386/i386.md (movmemsi): Also active when
3338         TARGET_INLINE_ALL_STRINGOPS.
3339
3340 2005-04-30  Eric Botcazou  <ebotcazou@libertysurf.fr>
3341
3342         PR bootstrap/20633
3343         * config/freebsd-spec.h (FBSD_CPP_SPEC): Add %(cpp_arch).
3344
3345 2005-04-30  Paul Brook  <paul@codesourcery.com>
3346
3347         * config/arm/bpabi.h (RENAME_LIBRARY_SET): Always use .thumb_set in
3348         thumb mode.
3349         * config/arm/ieee754-df.S: Use __INTERWORKING_STUBS__.
3350         * config/arm/ieee754-sf.S: Ditto.
3351         * config/arm/lib1funcs.asm: Define and use __INTERWORKING_STUBS__.
3352         (FUNC_ALIAS): Use .thumb_set for thumb routines.
3353
3354 2005-04-30  Kazu Hirata  <kazu@cs.umass.edu>
3355
3356         * tree-ssanames.c: Fix a comment typo.
3357         * doc/options.texi: Fix a typo.
3358
3359 2005-04-30  Nathan Sidwell  <nathan@codesourcery.com>
3360
3361         * config/h8300/h8300.c (byte_reg): Use gcc_assert and
3362         gcc_unreachable as appropriate.
3363         (split_adds_subs, cond_string, print_operand,
3364         h8300_initial_elimination_offset, h8300_classify_operand,
3365         h8300_unary_length, h8300_short_immediate_length,
3366         h8300_bitfield_length, h8300_binary_length,
3367         h8300_insn_length_from_table, compute_mov_length, output_plussi,
3368         compute_plussi_length, compute_plussi_cc, output_logical_op,
3369         compute_logical_op_length, compute_logical_op_cc,
3370         output_h8sx_shift, get_shift_alg, h8300_shift_needs_scratch_p,
3371         output_a_shift, compute_a_shift_length, compute_a_shift_cc,
3372         output_a_rotate, compute_a_rotate_length, fix_bit_operand,
3373         h8300_regs_ok_for_stm): Likewise.
3374         * config/h8300/h8300.md (*movsi_h8300, *movsf_h8300,
3375         monitor_prologue): Likewise.
3376
3377 2005-04-30  Kazu Hirata  <kazu@cs.umass.edu>
3378
3379         * loop-invariant.c (invariants, create_new_invariant,
3380         get_inv_cost, best_gain_for_invariant,
3381         find_invariants_to_move, move_invariants,
3382         init_inv_motion_data, free_inv_motion_data): Use VEC instead
3383         of VARRAY.
3384
3385 2005-04-29  Richard Henderson  <rth@redhat.com>
3386
3387         * function.c (instantiate_decls): Remove valid_only argument.
3388         (instantiate_decls_1, instantiate_decl): Likewise.
3389         (instantiate_virtual_regs_1): Delete.
3390         (instantiate_virtual_regs_lossage): Delete.
3391         (instantiate_virtual_regs_in_rtx): New.
3392         (safe_insn_predicate): New.
3393         (instantiate_virtual_regs_in_insn): New.
3394         (instantiate_virtual_regs): Update to match all that.  Only run
3395         instantiate_decls once.
3396
3397 2005-04-29  Richard Henderson  <rth@redhat.com>
3398             Daniel Jacobowitz  <dan@codesourcery.com>
3399
3400         * gengtype.c (write_func_for_structure): Split out ...
3401         (output_type_enum): ... new function.  Fix thinko accessing
3402         TYPE_PARAM_STRUCT data.
3403
3404 2005-04-29  Tom Tromey  <tromey@redhat.com>
3405
3406         * tree.c (build_block): Removed unused 'tags' argument.
3407         * tree.h (build_block): Removed argument.
3408
3409 2005-04-29  Michael Matz  <matz@suse.de>
3410
3411         PR rtl-optimization/21144
3412         * postreload.c (reload_cse_move2add): Check for VOIDmode.
3413
3414 2005-04-29  Bob Wilson  <bob.wilson@acm.org>
3415
3416         * config/xtensa/xtensa.h (OPTIMIZATION_OPTIONS): Define to disable
3417         flag_reorder_blocks.
3418
3419 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
3420
3421         PR tree-optimization/21030
3422         * tree-vrp.c (adjust_range_with_scev): Do not create invalid
3423         ranges where VR->MAX is smaller than VR->MIN.
3424
3425 2005-04-29  Devang Patel  <dpatel@apple.com>
3426
3427         PR tree-optimization/21272
3428         PR tree-optimization/21266
3429         * tree-if-conv.c (find_phi_replacement_condition): Fix think-o.
3430
3431 2005-04-29  Kazu Hirata  <kazu@cs.umass.edu>
3432
3433         * tree-flow-inline.h: Fix a comment typo.
3434         * doc/tree-ssa.texi: Fix a typo.
3435
3436         * tree-flow-inline.h, tree-ssa-operands.c: Fix comment typos.
3437
3438 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
3439
3440         * config/fr30/fr30.c (fr30_expand_prologue): Use gcc_assert and
3441         gcc_unreachable as appropriate.
3442         (fr30_expand_epilogue, fr30_setup_incoming_varargs,
3443         fr30_print_operand, fr30_move_double): Likewise.
3444         * config/fr30/fr30.md (*movsi_internal, *movsf_internal): Likewise.
3445
3446 2005-04-29  Mark Mitchell  <mark@codesourcery.com>
3447
3448         * config/arm/arm.h (ARM_EABI_CTORS_SECTION_OP): Do not define if a
3449         definition has already been provided.
3450         (ARM_EABI_DTORS_SECTION_OP): Likewise.
3451         * config/arm/symbian.h (ARM_EABI_CTORS_SECTION_OP): Define.
3452         (ARM_EABI_DTORS_SECTION_OP): Likewise.
3453
3454 2005-04-29  Jim Tison  <jtison@us.ibm.com>
3455
3456         * config/s390/s390.md ("prologue_tpf", "epilogue_tpf"): Alter
3457         trace hooks calls to improve performance.
3458
3459 2005-04-29  Julian Brown  <julian@codesourcery.com>
3460             Mark Mitchell  <mark@codesourcery.com>
3461             Paul Brook  <paul@codesourcery.com>
3462
3463         * crtstuff.c: Handle targets that use .init_array.
3464         * function.c (HAS_INIT_SECTION): Do not define. Instead, make sure
3465         that INVOKE__main is set correctly.
3466         (expand_main_function): Test INVOKE__main.
3467         * libgcc2.c: Do not define __main when using .init_array.
3468         * config/arm/arm.c (arm_elf_asm_constructor): New function.
3469         * config/arm/arm.h (CTORS_SECTION_ASM_OP): Define, with specialized
3470         libgcc version.
3471         (DTORS_SECTION_ASM_OP): Likewise.
3472         (CTOR_LIST_BEGIN): Define specially when in libgcc.
3473         (CTOR_LIST_END): Likewise.
3474         (DTOR_LIST_BEGIN): Likewise.
3475         (DTOR_LIST_END): Likewise.
3476         * config/arm/bpapi.h (INIT_SECTION_ASM_OP): Do not define it.
3477         (FINI_SECTION_ASM_OP): Likewise.
3478         (INIT_ARRAY_SECTION_ASM_OP): Define.
3479         (FINI_ARRAY_SECTION_ASM_OP): Likewise.
3480         * config/arm/elf.h (TARGET_ASM_CONSTRUCTOR): Define.
3481         (SUPPORTS_INIT_PRIORITY): Evaluate to false for EABI based targets.
3482         * doc/tm.texi (INIT_ARRAY_SECTION_ASM_OP): Document.
3483         (FINI_ARRAY_SECTION_ASM_OP): Likewise.
3484
3485 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
3486
3487         * config/m68k/m68k.c (m68k_initial_elimination_offset): Use
3488         gcc_assert and gcc_unreachable as appropriate.
3489         (output_dbcc_and_branch, output_scc_di, legitimize_pic_address,
3490         const_int_cost, output_move_const_into_data_reg,
3491         output_move_qimode, output_move_double, find_addr_reg,
3492         print_operand, print_operand_address): Likewise.
3493         * config/m68k/m68k.md (adddi3, subdi3, negsf2, negdf2, abssf2,
3494         absdf2, sordered, sunordered, suneq, sunge, sungt, sunle, sunlt,
3495         sltgt, bordered, bunordered, buneq, bunge, bungt, bunle, bunlt,
3496         bltgt, *bordered_rev, *bunordered_rev, *buneq_rev, *bunge_rev,
3497         *bunle_rev, *bunlt_rev, *bltgt_rev, negxf2, absxf2,
3498         conditional_trap): Likewise.
3499         * config/m68k/m68kelf.h (ASM_OUTPUT_ALIGN): Remove unreachable code.
3500
3501 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
3502
3503         * config/xtensa/xtensa.c (gen_int_relational): Use gcc_assert and
3504         gcc_unreachable as appropriate.
3505         (gen_conditional_move, xtensa_split_operand_pair,
3506         xtensa_split_operand_pair, xtensa_copy_incoming_a7,
3507         xtensa_copy_incoming_a7, xtensa_copy_incoming_a7,
3508         xtensa_copy_incoming_a7, xtensa_output_literal,
3509         xtensa_output_literal, xtensa_output_literal): Likewise.
3510         * config/xtensa/xtensa.h (INITIAL_ELIMINATION_OFFSET): Likewise.
3511         * config/xtensa/xtensa.md (*btrue, *bfalse, *ubtrue, *ubfalse,
3512         *bittrue, *bitfalse, *masktrue, *maskfalse, movsicc_internal0,
3513         movsicc_internal1, movsfcc_internal0,
3514         movsfcc_internal1): Likewise.
3515
3516 2005-04-28  James E Wilson  <wilson@specifixinc.com>
3517
3518         * config/i386/i386.h (HI_REGISTER_NAMES): Fix typos in comment.
3519         (ADDITIONAL_REGISTER_NAMES): Delete obsolete mmx register entries.
3520
3521 2005-04-28  DJ Delorie  <dj@redhat.com>
3522
3523         * opt-functions.awk (var_set): Emit proper initializer for
3524         non-target bitfields.
3525
3526 2005-04-28  Devang Patel  <dpatel@apple.com>
3527
3528         * dbxout.c (have_used_extensions): Remove.
3529         (dbxout_type_fileds, dbxout_type, dbxout_symbol): Remove use of
3530         have_used_extensions.
3531
3532 2005-04-28  James E Wilson  <wilson@specifixinc.com>
3533
3534         * doc/install.texi: Update -enable-languages info.  Correct path to
3535         html docs.
3536
3537 2005-04-28  DJ Delorie  <dj@redhat.com>
3538
3539         * optc-gen.awk (END): Make sure no variable is defined more
3540         than once.
3541         * opth-gen.awk (END): Allocate bits on a per-variable basis.
3542         Allow for bitfield variables other than target_flags.
3543         * doc/options.text (Mask): Document that you may specify a
3544         variable other than target_flags.
3545
3546 2005-04-28  Martin Koegler <mkoegler@auto.tuwien.ac.at>
3547
3548         PR rtl-optimization/18877
3549         * reload.c (decompose) <case REG, case SUBREG>: Handle pseudo reg
3550         number in val.start.
3551
3552 2005-04-28  David Edelsohn  <edelsohn@gnu.org>
3553
3554         PR target/20813
3555         * config/rs6000/aix43.h (SUBSUBTARGET_SWITCHES, aix64): Add
3556         MASK_PPC_GFXOPT.
3557         * config/rs6000/aix51.h (SUBSUBTARGET_SWITCHES, aix64): Same.
3558         * config/rs6000/aix52.h (SUBSUBTARGET_SWITCHES, aix64): Same.
3559         * config/rs6000/sysv4.h (SUBTARGET_SWITCHES, 64): Same.
3560
3561 2005-04-28  Richard Earnshaw  <richard.earnshaw@arm.com>
3562
3563         * arm.c (legitimize_pic_address): Fix sense of assertion test for
3564         creating pseudos when the base offset is too large.
3565
3566 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
3567
3568         * global.c (earlyclobber_regclass): Change the type to
3569         VEC(int,heap).
3570         (check_earlyclobber): Update uses of earlyclobber_regclass.
3571         (mark_reg_use_for_earlyclobber): Likewise.
3572         (calculate_local_reg_bb_info): Allocate and free
3573         earlyclobber_regclass using the VEC API.
3574
3575 2005-04-28  Nathan Sidwell  <nathan@codesourcery.com>
3576
3577         * tree-ssa-alias.c (push_fields_onto_fieldstack): Remove bogus
3578         assert.
3579
3580 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
3581
3582         * modulo-sched.c, tree-stdarg.c: Use targetm.foo instead of
3583         (*targetm.foo).
3584
3585         * config.gcc: Obsolete c4x-* and tic4x-*.
3586
3587         * tree.h (edge_def): Remove.
3588
3589         * bt-load.c, cfgexpand.c, dwarf2out.c, emit-rtl.c, expr.c,
3590         function.c, global.c, lcm.c, loop-invariant.c, optabs.c,
3591         reorg.c, resource.c, tree-ssa-loop-ivopts.c, value-prof.c: Use
3592         JUMP_P, LABEL_P, REG_P, MEM_P, NONJUMP_INSN_P, and INSN_P
3593         where appropriate.
3594
3595         * attribs.c, c-pragma.c, caller-save.c, cfghooks.h,
3596         coverage.c, cselib.h, domwalk.c, domwalk.h, errors.c,
3597         errors.h, gcov-dump.c, gcov-io.c, gcov-io.h, gen-protos.c,
3598         genattrtab.h, genextract.c, gthr-win32.h, insn-notes.def,
3599         integrate.c, lambda-mat.c, lambda.h, libgcov.c, local-alloc.c,
3600         machmode.def, mips-tfile.c, params.c, pretty-print.c,
3601         print-rtl.c, protoize.c, regmove.c, sched-vis.c, tree-chrec.h,
3602         tree-data-ref.h, vec.h, config/darwin-c.c, config/sol2-c.c,
3603         config/sol2.c, config/arm/arm-cores.def, config/arm/cirrus.md,
3604         config/arm/symbian.h, config/c4x/c4x.c, config/c4x/c4x.h,
3605         config/i386/cygming.h, config/i386/djgpp.h,
3606         config/i386/lynx.h, config/i386/netware.c,
3607         config/i386/winnt.c, config/ia64/ia64-c.c,
3608         config/iq2000/iq2000.c, config/m32r/little.h,
3609         config/m68k/m68k-protos.h, config/m68k/m68k.h,
3610         config/m68k/m68k.md, config/mcore/mcore.c,
3611         config/mcore/mcore.h, config/mmix/mmix.c, config/mmix/mmix.md,
3612         config/mn10300/mn10300-protos.h, config/mn10300/mn10300.c,
3613         config/mn10300/mn10300.h, config/ns32k/netbsd.h,
3614         config/ns32k/ns32k.c, config/ns32k/ns32k.h,
3615         config/pa/pa-hpux11.h, config/pdp11/pdp11.c,
3616         config/pdp11/pdp11.h, config/rs6000/darwin.h,
3617         config/rs6000/default64.h, config/rs6000/rs6000-c.c,
3618         config/s390/2064.md, config/s390/2084.md,
3619         config/s390/s390-modes.def, config/s390/s390-protos.h,
3620         config/s390/tpf.h, config/sh/sh.h, config/sh/symbian.c,
3621         config/stormy16/stormy16.c, config/vax/vax-protos.h,
3622         config/vax/vax.c, config/vax/vax.h,
3623         config/xtensa/lib1funcs.asm, config/xtensa/xtensa.md: Update
3624         copyright.
3625
3626 2005-04-28  Joseph S. Myers  <joseph@codesourcery.com>
3627
3628         * c-typeck.c (build_compound_expr): Correct logic in last change.
3629
3630 2005-04-27  James E. Wilson  <wilson@specifixinc.com>
3631
3632         * config/ia64/ia64.c (update_set_flags): Delete ppred and pcond
3633         parameters.  Replace conditional move code with assert checking for
3634         ar.lc.  Delete obsolete comments.
3635         (set_src_needs_barrier): Delete cond parameter, and code using it.
3636         (rtx_needs_barrier): Delete initialization of cond.  Fix typo in
3637         assert checking for PR_REGS.  Fix calls to update_set_flags and
3638         set_src_needs_barrier.
3639         (group_barrier_needed): Renamed from group_barrier_needed_p.  Fix all
3640         callers.  Rewrite explanatory comment before the function.
3641         (safe_group_barrier_needed): Renamed from safe_group_barrier_needed_p.
3642         Fix all callers.
3643
3644 2005-04-27  Mike Stump  <mrs@apple.com>
3645
3646         * doc/cpp.texi: gcc now implements universal character names.
3647
3648 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
3649
3650         PR c/21159
3651         * c-typeck.c (build_compound_expr): Don't warn for left-hand side
3652         being a compound expression whose right-hand side is cast to void.
3653
3654 2005-04-27  Caroline Tice  <ctice@apple.com>
3655
3656         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
3657         Remove targetm.have_named_sections test.
3658         (fix_edges_for_rarely_executed_code): Likewise.
3659         (insert_section_boundary_note): Likewise.
3660         (reorder_basic_blocks): Check partitioning flag before calling
3661         verify_hot_cold_block_grouping.
3662         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
3663         the function struct rather than global variables.
3664         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
3665         (COLD_END_LABEL): Likewise
3666         (cold_text_section_label): New static global variable.
3667         (cold_end_label): Likewise.
3668         (dwarf2out_switch_text_section): Get hot/cold section labels from
3669         the function struct rather than global variables; test to make sure
3670         cfun is defined.
3671         (output_aranges): Use cold_text_section_label and cold_end_label;
3672         check partitioning flag before putting out delta.
3673         (output_ranges): Remove incorrect code attempting to use
3674         hot/cold labels.
3675         (output_line_info): Get cold section label from function struct; test
3676         to make sure cfun is defined.
3677         (add_location_or_const_value_attribute): Likewise.
3678         (dwarf2out_var_location): Likewise.
3679         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
3680         write out cold_text_section_label if partition flag is set.
3681         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
3682         * function.h (struct function): Add new fields to point to hot/cold
3683         section labels: hot_section_label, cold_section_label,
3684         hot_section_end_label and cold_section_end_label; also add new field
3685         for cold text section name, unlikely_text_section_name.
3686         * opts.c (decode_options): Turn off partitioning flag if
3687         !targetm.have_named_sections.
3688         * output.h (hot_section_label): Remove.
3689         (hot_section_end_label): Remove.
3690         (cold_section_end_label): Remove.
3691         (unlikely_section_label): Remove.
3692         (unlikely_text_section_name): Remove.
3693         * passes.c (rest_of_handle_final):  Remove extra blank line.
3694         * varasm.c (unlikely_section_label): Remove.
3695         (hot_section_label): Remove.
3696         (hot_section_end_label): Remove.
3697         (cold_section_end_label): Remove.
3698         (unlikely_text_section_name):  Remove.
3699         (initialize_cold_section_name): Modify to call
3700         targetm.strip_name_encoding; to store cold section name in current
3701         function struct, if it exists; and to only use the decl_section_name
3702         if flag_named_sections is true.
3703         (unlikely_text_section): Modify to get section name out of current
3704         function struct, if there is one; otherwise build it from
3705         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
3706         (in_unlikely_text_section): Likewise.
3707         (named_section): Modify to get/put cold section name in current function
3708         struct, if there is one.
3709         (function_section):  Change 'bool unlikely' to 'int reloc'; check
3710         targetm.have_named_sections before calling named_section.
3711         (current_function_section): Likewise.
3712         (assemble_start_function): Modify to get/put unlikely_text_section_name
3713         in current function struct; modify to get hot/cold section labels
3714         from function struct; initialize labels using
3715         ASM_GENERATE_INTERNAL_LABEL;
3716         test partitioning flag before writing out hot section label.
3717         (assemble_end_function): Test partitioning flag before writing out
3718         hot/cold section labels.
3719         (default_section_type_flags_1):  Get cold text section name from
3720         function struct if there is one; Set flags correctly for
3721         cold text section if there is not a current function struct.
3722
3723 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
3724
3725         * tree-ssa-propagate.c (set_rhs): Revert last change.
3726
3727 2005-04-27  Steve Ellcey  <sje@cup.hp.com>
3728
3729         * explow.c (convert_memory_address): Add gcc_assert.
3730
3731 2005-04-27  Mark Mitchell  <mark@codesourcery.com>
3732
3733         * configure.ac: Check for ld --sysroot support.
3734         * gcc.c: Document %R specifier for specs.
3735         (SYSROOT_SPEC): New macro.
3736         (sysroot_spec): New variable.
3737         (static_specs): Add sysroot_spec.
3738         (main): Pass the sysroot spec to the linker if appropriate.
3739         * configure: Regenerated.
3740         * config.in: Likewise.
3741
3742 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
3743
3744         * fold-const.c (fold_binary): Use build_fold_addr_expr
3745         for address calculation and INDIRECT_REF handling.
3746
3747 2005-04-27  Andrew Haley  <aph@redhat.com>
3748
3749         * postreload-gcse.c (hash_scan_set): Remove bogus assertion.
3750
3751 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
3752
3753         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Reserve arm frame
3754         pointer when thumb backtracing is on.
3755
3756         * config/fp-bit.c (abort): Revert change.
3757
3758 2005-04-27  Ian Lance Taylor  <ian@airs.com>
3759
3760         * c-semantics.c (add_stmt): Don't test STATEMENT_CODE_P.
3761
3762 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
3763
3764         * tree-ssa-dce.c: Fix a comment typo.
3765
3766 2005-04-27  David S. Miller  <davem@davemloft.net>
3767
3768         * explow.c (allocate_dynamic_stack_space SETJMP_VIA_SAVE_AREA):
3769         Kill setjmpless_size.  current_function_calls_setjmp is completely
3770         computed when we are called, so just use the optimized size value
3771         instead of using REG_SAVE_AREA notes.
3772         (optimize_save_area_alloca): Delete....
3773         * rtl.h (optimize_save_area_alloca): Likewise...
3774         * passes.c (rest_of_compilation): and don't call it any more.
3775         * reg-notes.def (SAVE_AREA): Delete.
3776
3777 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
3778
3779         * config/fp-bit.c (abort): Add noreturn attribute.
3780
3781         * config/avr/avr.c (avr_naked_function_p): Use gcc_assert and
3782         gcc_unreachable as appropriate.
3783         (ptrreg_to_str, cond_string, avr_normalize_condition): Likewise.
3784         * config/avr/avr.h (ASM_OUTPUT_REG_PUSH,
3785         ASM_OUTPUT_REG_POP): Likewise.
3786
3787 2005-04-27  Paolo Bonzini  <bonzini@gnu.org>
3788
3789         * tree-complex.c (expand_vector_operations_1): Do not build
3790         VIEW_CONVERT_EXPR's for the lhs.
3791
3792 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
3793
3794         * config/pa/pa.h (PRINT_OPERAND_ADDRESS): Use gcc_assert, remove
3795         unnecessary noncanonical RTL handling.
3796         * config/pa/pa64-linux.h (INITIAL_ELIMINATION_OFFSET): Use
3797         gcc_assert and gcc_unreachable.
3798
3799         * config/arm/arm.h (ARM_PRINT_OPERAND_ADDRESS): Use gcc_assert and
3800         gcc_unreachable as appropriate.
3801         (THUMB_PRINT_OPERAND_ADDRESS): Likewise.
3802         * config/arm/arm.c (arm_override_options, arm_compute_func_type,
3803         use_return_insn, const_ok_for_op, arm_gen_constant,
3804         arm_canonicalize_comparison, legitimize_pic_address,
3805         thumb_find_work_register, arm_load_pic_register, arm_rtx_costs_1,
3806         arm_cirrus_insn_p, cirrus_reorg, minmax_code,
3807         load_multiple_sequence, emit_ldm_seq, store_multiple_sequence,
3808         emit_stm_seq, arm_gen_movmemqi, arm_select_dominance_cc_mode,
3809         arm_select_cc_mode, arm_reload_in_hi, arm_reload_out_hi,
3810         move_minipool_fix_forward_ref, move_minipool_fix_backward_ref,
3811         dump_minipool, create_fix_barrier, push_minipool_fix, arm_reorg,
3812         fp_immediate_constant, fp_const_from_val, vfp_output_fstmx,
3813         output_call, output_mov_long_double_fpa_from_arm,
3814         output_mov_long_double_arm_from_fpa,
3815         output_mov_double_fpa_from_arm, output_mov_double_arm_from_fpa,
3816         output_move_double, arithmetic_instr, shift_op, int_log2,
3817         output_return_instruction, arm_output_function_prologue,
3818         arm_output_epilogue, arm_output_function_epilogue,
3819         emit_multi_reg_push, arm_get_frame_offsets,
3820         arm_compute_initial_elimination_offset, arm_expand_prologue,
3821         arm_print_operand, arm_assemble_integer, get_arm_condition_code,
3822         arm_final_prescan_insn, arm_init_iwmmxt_builtins,
3823         arm_expand_binop_builtin, thumb_pushpop, thumb_far_jump_used_p,
3824         thumb_compute_initial_elimination_offset,
3825         thumb_output_function_prologue, thumb_load_double_from_address,
3826         thumb_output_move_mem_multiple, thumb_reload_out_hi,
3827         arm_emit_vector_const, arm_dbx_register_number): Likewise.
3828         * config/arm/pe.c (arm_mark_dllexport, arm_mark_dllimport): Likewise.
3829         * config/arm/arm.md (thumb_extendhisi2,
3830         *thumb_extendhisi2_insn_v6, *thumb_extendqisi2,
3831         *thumb_extendqisi2_v6, movhi, *thumb_movhi_insn,
3832         thumb_movhi_clobber, movqi, *arm_buneq, *arm_bltgt,
3833         *arm_buneq_reversed, *arm_bltgt_reversed, suneq, sltgt): Likewise.
3834         * config/arm/cirrus.md (*cirrus_arm_movdi,
3835         *cirrus_movdf_hard_insn): Likewise.
3836         * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
3837
3838 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
3839
3840         * tree-flow.h (ssa_names): Change the type to VEC(tree,gc).
3841         (num_ssa_names): Use VEC_length.
3842         (ssa_names): Use VEC_index.
3843         * tree-ssanames.c (ssa_names): Change the type to
3844         VEC(tree,gc).
3845         (init_ssanames, fini_ssa_names, make_ssanames,
3846         release_ssa_name): Update uses of ssa_names.
3847
3848         * dojump.c, emit-rtl.c, expmed.c, expr.c, stmt.c, stor-layout.c:
3849         Use fold_buildN instead of fold (buildN (...)).
3850
3851 2005-04-27  Devang Patel <dpatel@apple.com>
3852
3853         * dbxout.c (dbxout_type): Check use_gnu_debug_info_extensions.
3854
3855 2005-04-27  Matt Thomas <matt@3am-software.com>
3856             Jan-Benedict Glaw <jbglaw@microdata-pos.de>
3857
3858         * config/vax/vax.c (vax_rtx_costs): Whitespace cleanup.
3859         (vax_output_mi_thunk): Ditto.
3860         (vax_notice_cc_update): Ditto.
3861         (INDEX_REGISTER_P): Add trailing \.
3862         (BASE_REGISTER_P): Add trailing \.
3863         (legitimate_address_p): Whitespace cleanup.  Remove trailing \.
3864
3865 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
3866
3867         * tree-ssa-propagate.c (set_rhs): Check operand of
3868         ADDR_EXPR for gimpliness, too.
3869
3870 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
3871
3872         * tree-ssa-pre.c: Fix a comment typo.
3873
3874 2005-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
3875
3876         PR tree-optimization/21171
3877         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not
3878         record address uses if the reference is volatile.
3879
3880 2004-04-27  Paolo Bonzini  <bonzini@gnu.org>
3881
3882         * tree-complex.c (expand_vector_operation): New, extracted from
3883         expand_vector_operations_1.
3884         (tree_vec_extract): Build a NOP_EXPR.
3885         (expand_vec_parallel): Do not care about returning the correct type.
3886         (expand_vector_operations_1): Call expand_vector_operation.
3887         Build the VIEW_CONVERT_EXPR on the left side of MODIFY_EXPRs.
3888
3889         * tree-complex.c (gate_expand_vector_operations): New.
3890         (pass_lower_vector_ssa): Use it.
3891         * tree-optimize.c (init_tree_optimization_passes): Include
3892         pass_lower_vector_ssa.
3893         * tree-vect-transform.c (vect_min_worthwhile_factor): New.
3894         (vectorizable_operation): Use it.
3895         * tree-vectorizer.c (get_vectype_for_scalar_type): Accept
3896         integer modes for the vector type.
3897
3898         * defaults.h (UNITS_PER_SIMD_WORD): Default to UNITS_PER_WORD.
3899         * tree-vect-analyze.c (vect_enhance_data_refs_alignment):
3900         Do not cope with UNITS_PER_SIMD_WORD == 0.
3901         * tree-vectorizer.c (get_vectype_for_scalar_type): Check
3902         if the scalar type is not bigger than UNITS_PER_SIMD_WORD.
3903         (vectorize_loops): Do not check that UNITS_PER_SIMD_WORD > 0.
3904         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Default to UNITS_PER_WORD.
3905         * config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise.
3906         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise.
3907         * config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise.
3908
3909         * config/alpha/alpha.h (UNITS_PER_SIMD_WORD): Remove.
3910         * config/bfin/bfin.h (UNITS_PER_SIMD_WORD): Remove.
3911         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): Remove.
3912
3913         * doc/tm.texi (UNITS_PER_WORD): Rephrase more accurately.
3914         (UNITS_PER_SIMD_WORD): New.
3915
3916 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
3917
3918         * config/ia64/ia64.c (ia64_encode_addr_area): Use gcc_assert and
3919         gcc_unreachable as appropriate.
3920         (ia64_expand_load_address, ia64_expand_tls_address,
3921         ia64_split_tmode, ia64_split_tmode_move, ia64_expand_compare,
3922         ia64_expand_vecint_compare, ia64_expand_vecint_minmax,
3923         next_scratch_gr_reg, ia64_initial_elimination_offset,
3924         ia64_expand_prologue, ia64_expand_epilogue,
3925         ia64_output_dwarf_dtprel, ia64_print_operand,
3926         ia64_register_move_cost, first_instruction, rws_access_regno,
3927         update_set_flags, rtx_needs_barrier, group_barrier_needed_p,
3928         ia64_sched_init, ia64_variable_issue,
3929         ia64_first_cycle_multipass_dfs_lookahead_guard,
3930         ia64_dfa_new_cycle, issue_nops_and_insn, get_template, bundling,
3931         ia64_st_address_bypass_p, ia64_ld_address_bypass_p, process_set,
3932         process_for_unwind_directive, ia64_hpux_file_end): Likewise.
3933         * config/ia64/ia64.h (ASM_OUTPUT_ADDR_VEC_ELT): Likewise.
3934         * config/ia64/ia64.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
3935         * config/ia64/predicates.md (got_symbolic_operand,
3936         sdata_symbolic_operand): Likewise.
3937         * config/ia64/vect.md (vcondv2sf): Likewise.
3938
3939 2005-04-27  Matt Thomas <matt@3am-software.com>
3940
3941         * config/vax/vax.c (legitimate_constant_address_p): New.  Formerly
3942         CONSTANT_ADDRESS_P in config/vax/vax.h
3943         (legitimate_constant_p): Added.  Formerly CONSTANT_P in vax.h.
3944         (INDEX_REGISTER_P): New.
3945         (BASE_REGISTER_P): New.
3946         (indirectable_constant_address_p): New.  Adapted from
3947         INDIRECTABLE_CONSTANT_ADDRESS_P in vax.h. Use SYMBOL_REF_LOCAL_P.
3948         (indirectable_address_p): New.  Adapted from
3949         INDIRECTABLE_ADDRESS_P in vax.h.
3950         (nonindexed_address_p): New.  Adapted from
3951         GO_IF_NONINDEXED_ADDRESS in vax.h.
3952         (index_temp_p): New.  Adapted from INDEX_TERM_P in vax.h.
3953         (reg_plus_index_p): New.  Adapted from GO_IF_REG_PLUS_INDEX in vax.h.
3954         (legitimate_address_p): New.  Adapted from
3955         GO_IF_LEGITIMATE_ADDRESS in vax.h.
3956         (vax_mode_dependent_address_p): New.  Adapted from
3957         GO_IF_MODE_DEPENDENT_ADDRESS in vax.h.
3958         * config/vax/vax.h (CONSTANT_ADDRESS_P): Use
3959         legitimate_constant_address_p.
3960         (CONSTANT_P): Use legitimate_constant_p.
3961         (INDIRECTABLE_CONSTANT_ADDRESS_P): Removed.
3962         (INDIRECTABLE_ADDRESS_P): Removed.
3963         (GO_IF_NONINDEXED_ADDRESS): Removed.
3964         (INDEX_TEMP_P): Removed.
3965         (GO_IF_REG_PLUS_INDEX): Removed.
3966         (GO_IF_LEGITIMATE_ADDRESS): Use legitimate_address_p. Two
3967         definitions, depending on whether REG_OK_STRICT is defined.
3968         (GO_IF_MODE_DEPENDENT_ADDRESS): Use vax_mode_dependent_address_p.
3969         Two definitions, depending on whether REG_OK_STRICT is defined.
3970         * config/vax/vax-protos.h (legitimate_constant_address_p): Prototype
3971         added.
3972         (legitimate_constant_p): Prototype added.
3973         (legitimate_address_p): Prototype added.
3974         (vax_mode_dependent_address_p): Prototype added.
3975
3976 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
3977
3978         * tree.h (phi_arg_d): Expand a comment in phi_arg_d.
3979
3980 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
3981
3982         PR c/21213
3983         * c-decl.c (finish_struct): Don't dereference NULL TYPE_FIELDS of
3984         transparent union.
3985
3986 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
3987
3988         PR c/20740
3989         * c-format.c (init_dynamic_asm_fprintf_info): Give errors, not
3990         assertion failures, if __gcc_host_wide_int__ is not properly
3991         defined.
3992         (init_dynamic_diag_info): Give errors, not assertion failures, if
3993         location_t, tree or __gcc_host_wide_int__ are not properly
3994         defined.
3995
3996 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
3997
3998         * tree-ssa-loop-ivopts.c (ivopts_data, decl_rtl_to_reset,
3999         n_iv_uses, iv_use, n_iv_cands, iv_cand,
4000         tree_ssa_iv_optimize_init, record_use, add_candidate_1,
4001         prepare_decl_rtl, free_loop_data,
4002         tree_ssa_iv_optimize_finalize): Use the VEC API instead of
4003         VARRAY.
4004
4005         * tree.h (tree_phi_node): Add a comment about the order of PHI
4006         arguments.
4007
4008 2005-04-26  Paul Brook  <paul@codesourcery.com>
4009
4010         * config/arm/arm.md (thumb_mulsi3): Use two-operand assembly form.
4011
4012 2005-04-26  Nathan Sidwell  <nathan@codesourcery.com>
4013
4014         * config/mips.mips.c (mips_legitimize_tls_address): Use
4015         gcc_unreachable.
4016
4017         * config/mmix/mmix.c (mmix_assemble_integer): Use gcc_assert.
4018         * config/mmix/crti.asm (_init): Reword comment to avoid 'abort'.
4019         * config/mmix/mmix.md (nonlocal_goto_receiver): Likewise.
4020
4021         * config/sparc/sparc.h (enum reg_class): Reword comment to avoid
4022         'abort'.
4023
4024 2005-04-26  Jeff Law  <law@redhat.com>
4025
4026         * tree-flow-inline.h (op_iter_next_must_and_may_def): New.
4027         (op_iter_init_must_and_may_def): Likewise.
4028         (unmodifiable_var_p): Move to a later point in the file.
4029         * tree-ssa-operands.h (FOR_EACH_SSA_MUST_AND_MAY_DEF_OPERAND): New.
4030         * tree-ssa-dse.c (need_imm_uses_for): Remove, no longer needed.
4031         (dse_record_phis): Directly check for virtual operands rather than
4032         using need_imm_uses_for.
4033         (dse_optimize_stmt): Handle V_MUST_DEF operands.  Handle case where
4034         store has multiple V_{MAY,MUST}_DEF operands.
4035
4036 2005-04-26  Andrew MacLeod  <amacleod@redhat.com>
4037
4038         * tree-cfg.c (bsi_replace): Delink immediate uses for the original
4039         stmt.
4040
4041 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
4042
4043         * tree-cfg.c (lv_adjust_loop_header_phi): Speed up moving a
4044         call to find_edge outside a loop to go through a PHI chain.
4045
4046 2004-04-26  Richard Guenther  <rguenth@gcc.gnu.org>
4047
4048         PR tree-optimization/17598
4049         * fold-const.c (fold_binary): Fold comparisons of addresses
4050         of COMPONENT_REFs which reference the same field to
4051         comparisons of the addresses of the base objects.
4052
4053 2005-04-26  Julian Brown  <julian@codesourcery.com>
4054
4055         * config/arm/arm.c (arm_return_in_msb): New function.
4056         (arm_must_pass_in_stack): New function.
4057         (TARGET_RETURN_IN_MSB): Define target hook.
4058         (TARGET_MUST_PASS_IN_STACK): Define target hook.
4059         (arm_function_value): Pad small aggregate return.
4060         (arm_pad_arg_upward): New function.
4061         (arm_pad_reg_upward): New function.
4062         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Include complex values.
4063         (FUNCTION_ARG_PADDING): Define macro.
4064         (BLOCK_REG_PADDING): Define macro.
4065         (PAD_VARARGS_DOWN): Correct padding for AAPCS.
4066         * config/arm/arm-protos.h (arm_pad_arg_upward): Declare function.
4067         (arm_pad_reg_upward): Declare function.
4068
4069 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
4070
4071         * basic-block.h (ei_cond): New.
4072         (FOR_EACH_EDGE): Call ei_cond.
4073
4074         PR tree-optimization/21047
4075         * fold-const.c (fold_binary): Abort on ASSERT_EXPR.
4076         (fold): Don't handle ASSERT_EXPR.
4077
4078 2005-04-25  Roger Sayle  <roger@eyesopen.com>
4079
4080         * sched-deps.c (sched_analyze_1): On STACK_REGS targets, x87, treat
4081         all writes to any stack register as a read/write dependency on
4082         FIRST_STACK_REG.
4083         (sched_analyze_2): Likewise, for reads from any stack register.
4084
4085 2005-04-25  Richard Henderson  <rth@redhat.com>
4086
4087         * final.c (output_addr_const): Revert 2005-04-09 change.
4088
4089 2005-04-25  Mike Stump  <mrs@apple.com>
4090
4091         * config/darwin.c (darwin_encode_section_info): Always set
4092         MACHO_SYMBOL_STATIC for all ! TREE_PUBLIC symbols.
4093
4094 2005-04-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4095
4096         * collect2.c, gcc.c, gcov-dump.c, gcov.c, gen-protos.c,
4097         gensupport.c, protoize.c, toplev.c: Replace calls to
4098         `unlock_stream' with `unlock_std_streams'.
4099
4100 2005-04-25  Devang Patel <dpatel@apple.com>
4101
4102         * dbxout.c (dbxout_type): Emit attribute vector.
4103
4104 2005-04-05  Paul Brook  <paul@codesourcery.com>
4105
4106         * target-def.h (TARGET_CXX_USE_AEABI_ATEXIT): Define.
4107         * target.h (struct gcc_target): Add cxx.use_aeabi_atexit.
4108         * config/arm/arm.c (arm_cxx_atexit_name): New function.
4109         (TARGET_CXX_USE_AEABI_ATEXIT): New macro.
4110         * cp/decl.c (get_atexit_node): Reorder arguments for __aeabi_atexit.
4111         (register_dtor_fn): Likewise.
4112         * doc/tm.texi: Document TARGET_CXX_USE_AEABI_ATEXIT.
4113
4114 2005-04-25  Ian Lance Taylor  <ian@airs.com>
4115
4116         * c-common.def (EXPR_STMT): Remove, moved to C++ frontend.
4117         * c-common.h (EXPR_STMT_EXPR): Don't define.
4118         (c_common_stmt_codes): Don't define.
4119         * c-dump.c (c_dump_tree): Remove EXPR_STMT case.
4120         * c-gimplify.c (gimplify_expr_stmt): Remove.
4121         (c_gimplify_expr): Remove EXPR_STMT case.
4122         * c-objc-common.c (c_objc_common_init): Remove stmt_codes and call
4123         to INIT_STATEMENT_CODES.
4124         * c-pretty-print.c (pp_c_statement): Just call dump_generic_node.
4125
4126 2005-04-25  Jan Hubicka  <jh@suse.cz>
4127
4128         * tree-cfg.c (tree_duplicate_bb): Duplicate EH region too.
4129
4130         * except.c: Include diagnostic.h
4131         (dump_eh_tree, verify_eh_tree): New functions.
4132         * except.h (verify_eh_tree, dump_eh_tree, verify_eh_edges): Declare.
4133         * tree-cfg.c (tree_verify_flow_info): verify eh edges.
4134         (dump_function_to_file): dump eh tree.
4135         * tree-eh.c (mark_eh_edge): New function.
4136         (mark_eh_edge_found_error): New static variable.
4137         (verify_eh_edges): New function.
4138
4139 2005-04-25  Nathan Sidwell  <nathan@codesourcery.com>
4140
4141         * tree-ssa-alias.c (fieldoff_t): Remove.
4142         (fieldoff_s): typedef the structure itself.  Create a vector of
4143         objects.
4144         (push_fields_onto_fieldstack): Return count of fields pushed.
4145         Remove peeling of first field.  Adjust.
4146         (fieldoff_compare): Adjust.
4147         (create_overlap_variables_for): Adjust.
4148
4149 2005-04-25  Joseph S. Myers  <joseph@codesourcery.com>
4150
4151         * doc/invoke.texi (Blackfin Options): Avoid empty @opindex line.
4152
4153 2005-04-25  Joseph S. Myers  <joseph@codesourcery.com>
4154
4155         PR bootstrap/21215
4156         * doc/install.texi: Document correct assembler and linker to use
4157         on i?86-*-solaris2.10.
4158
4159 2005-04-25  Steven Bosscher  <stevenb@suse.de>
4160
4161         Fix PR tree-optimization/21173
4162
4163         * tree-ssa-pre.c (create_expression_by_pieces): Simplify code.
4164         Unshare expression we pass to force_gimple_operand.
4165
4166 2005-04-25  J"orn Rennecke <joern.rennecke@st.com>
4167             Stephen Clarke <stevec@superh.com>
4168             Roger Sayle <roger@eyesopen.com>
4169
4170         PR rtl-optimization/20413
4171         * cfgrtl.c (redirect_edge_and_branch): Use Pmode instead of
4172         VOIDmode for LABEL_REF.
4173         * final.c (shorten_branches): Likewise.
4174         * jump.c (mark_all_labels, redirect_exp_1): Likewise.
4175         * loop.c (reg_dead_after_loop): Likewise.
4176         * varasm.c (decode_addr_const): Likewise.
4177         * doc/rtl.texi: Document mode requirement for LABEL_REF.
4178
4179 2005-04-25  Ralf Corsepius  <ralf.corsepius@rtems.org>
4180
4181         * config.gcc (avr-*-*): Remove redundant "case".
4182
4183 2005-04-25  Kazu Hirata  <kazu@cs.umass.edu>
4184
4185         * tree-vect-analyze.c (vect_mark_relevant): Take
4186         VEC(tree,heap) instead of varray_type as an argument.
4187         (vect_mark_stmts_to_be_vectorized): Change the type of
4188         worklist to VEC(tree,heap).  Adjust uses of worklist.
4189
4190 2005-04-24  Devang Patel  <dpatel@apple.com>
4191
4192         *  config/rs6000/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): New.
4193
4194 2005-04-24  Ian Lance Taylor  <ian@airs.com>
4195
4196         * c-semantics.c (build_stmt): Remove test of specific tree codes
4197         for TREE_SIDE_EFFECTS handling.
4198
4199 2005-04-24  Per Bothner  <per@bothner.com>
4200
4201         * c-opts.c (finish_options):  Make the line-number of the <built-in>
4202         location 0, as assumed elsewhere, rather than 1.
4203
4204 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
4205
4206         * tree-ssa-uncprop.c (equiv_stack): Change the type o
4207         VEC(tree,heap).
4208         (tree_ssa_uncprop, uncprop_finalize_block,
4209         uncprop_initialize_block): Update uses of equiv_stack.
4210
4211 2005-04-24  Richard Henderson  <rth@redhat.com>
4212
4213         PR rtl-opt/21163
4214         * simplify-rtx.c (simplify_binary_operation) <IOR>: Check
4215         for SCALAR_INT_MODE_P instead of not MODE_CC before returning
4216         constm1_rtx.
4217         <AND, LSHIFTRT, UMIN>: Use CONST0_RTX.
4218         <UDIV, UMOD>: Use CONST0_RTX and CONST1_RTX.
4219         <DIV, MOD>: Likewise.
4220
4221 2005-04-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4222
4223         * collect2.c (main): Unlock the stdio streams.
4224         * gcc.c (main): Likewise.
4225         * gcov-dump.c (main): Likewise.
4226         * gcov.c (main): Likewise.
4227         * gen-protos.c (main): Likewise.
4228         * gensupport.c (init_md_reader_args_cb): Likewise.
4229         * protoize.c (main): Likewise.
4230         * toplev.c (general_init): Likewise.
4231
4232 2005-04-24  Jakub Jelinek  <jakub@redhat.com>
4233
4234         PR middle-end/20991
4235         * cgraph.h (cgraph_local_info): Add vtable_method field.
4236         * varasm.c (mark_decl_referenced): If cgraph_global_info_ready
4237         and node is vtable_method, finalized and not reachable, don't do
4238         anything.
4239
4240 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
4241
4242         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Use
4243         COMPARISON_CLASS_P.
4244         * tree-ssa-pre.c (create_value_expr_from): Use
4245         CONSTANT_CLASS_P and REFERENCE_CLASS_P.
4246         * tree-ssa-propagate.c (stmt_makes_single_load,
4247         stmt_makes_single_store): Use REFERENCE_CLASS_P.
4248         * tree-vect-transform.c (vect_is_simple_cond): Use
4249         COMPARISON_CLASS_P.
4250         * tree-vrp.c (extract_range_from_assert,
4251         build_assert_expr_for, fp_predicate, has_assert_expr): Use
4252         COMPARISON_CLASS_P.
4253
4254         * tree-ssa-live.c (build_tree_conflict_graph): Change the type
4255         of tpa_to_clear to VEC(int,heap).  Update uses of
4256         tpa_to_clear.  Free tpa_to_clear at the end.
4257
4258 2005-04-24  Andrew Pinski  <pinskia@physics.uc.edu>
4259
4260         * tree.h (TREE_THIS_VOLATILE): Document the effect on a
4261         function decl.
4262
4263 2005-04-24  Nathan Sidwell  <nathan@codesourcery.com>
4264
4265         * config/rs6000/rs6000.c (rs6000_override_options): Use gcc_assert
4266         and gcc_unreachable as appropriate.
4267         (num_insns_constant, output_vec_const_move,
4268         build_mask64_2_operands, rs6000_output_dwarf_dtprel,
4269         rs6000_emit_set_const, rs6000_emit_move,
4270         spe_build_register_parallel, function_arg,
4271         rs6000_move_block_from_reg, altivec_expand_predicate_builtin,
4272         spe_expand_predicate_builtin, spe_expand_evsel_builtin,
4273         rs6000_expand_builtin, spe_init_builtins, altivec_init_builtins,
4274         rs6000_common_init_builtins, expand_block_clear,
4275         expand_block_move, validate_condition_mode, ccr_bit, extract_MB,
4276         extract_ME, rs6000_get_some_local_dynamic_name,
4277         rs6000_output_function_entry, print_operand,
4278         print_operand_address, rs6000_generate_compare, rs6000_emit_sCOND,
4279         output_cbranch, output_e500_flip_gt_bit,
4280         rs6000_emit_vector_compare, rs6000_emit_vector_compare,
4281         rs6000_emit_cmove, rs6000_emit_minmax, rs6000_split_multireg_move,
4282         compute_save_world_info, rs6000_stack_info,
4283         rs6000_emit_load_toc_table, rs6000_frame_related,
4284         spe_synthesize_frame_save, rs6000_emit_epilogue,
4285         rs6000_output_function_epilogue, rs6000_hash_constant, output_toc,
4286         output_function_profiler, rs6000_trampoline_size,
4287         rs6000_initialize_trampoline, find_addr_reg,
4288         rs6000_machopic_legitimize_pic_address,
4289         rs6000_initial_elimination_offset,
4290         rs6000_dbx_register_number): Likewise.
4291         * config/rs6000/rs6000.md (*fix_truncdfsi2_internal,
4292         *movdf_hardfloat32, *movdf_softfloat32, *fix_trunctfsi2_internal,
4293         *movti_power, *movti_string, call, call_value, sibcall,
4294         sibcall_value): Likewise.
4295         * config/rs6000/spe.md (*movdf_e500_double,
4296         *movv2si_internal): Likewise.
4297         * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): Remove 'abort'
4298         from comment.
4299
4300 2005-04-24  Richard Henderson  <rth@redhat.com>
4301
4302         PR target/21101
4303         * config/i386/i386.h (CANNOT_CHANGE_MODE_CLASS): Move guts to ...
4304         * config/i386/i386.c (ix86_cannot_change_mode_class): ... here.
4305         Deny modes smaller than 4 bytes.
4306         * config/i386/i386-protos.h: Update.
4307
4308 2005-04-24  Ralf Corsepius  <ralf.corsepius@rtems.org>
4309
4310         * config.gcc (h8300-*-rtems*): Add h8300-*-rtemscoff*.
4311         Switch h8300-*-rtems* to ELF.
4312
4313 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
4314
4315         * vec.h (VEC_safe_grow): Replace grow with safe_grow.
4316
4317 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
4318
4319         * ipa-inline.c, tree-ssa-operands.h: Fix comment typos.
4320
4321 2005-04-23  Richard Guenther  <rguenth@gcc.gnu.org>
4322
4323         PR middle-end/21082
4324         * fold-const.c: Fold &a[i]-&a[j] to i-j.
4325
4326 2005-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
4327
4328         * tree-ssa-loop-niter.c (tree_simplify_using_condition): Expand simple
4329         definitions of ssa names in condition.  Split recusive part to ...
4330         (tree_simplify_using_condition_1): New function.
4331         (expand_simple_operations): New function.
4332
4333 2005-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
4334
4335         * tree-ssa-loop-ivopts.c (struct cost_pair): Add value field.
4336         (find_interesting_uses_cond): Do not use integer_zerop and
4337         integer_nonzerop to check for integer constants.
4338         (set_use_iv_cost): Record the value field.
4339         (determine_use_iv_cost_generic, determine_use_iv_cost_address,
4340         determine_use_iv_cost_outer): Set the value field of the cost pair.
4341         (may_eliminate_iv): Do not return the comparison code.
4342         (iv_elimination_compare): New function.
4343         (determine_use_iv_cost_condition): Set the value field.  Record
4344         noneliminable invariants correctly.
4345         (rewrite_use_compare, rewrite_use_outer): Use the value field.
4346
4347 2005-04-23  DJ Delorie  <dj@redhat.com>
4348
4349         * diagnostic.c (warning): Accept parameter to classify warning option.
4350         (warning0): New, for when a pointer to an error() like function is needed.
4351         * errors.c (warning): Likewise.
4352         * errors.h (warning, warning0): Adjust prototypes.
4353         * toplev.h (warning, warning0): Likewise.
4354
4355         * attribs.c, builtins.c, c-common.c, c-decl.c, c-format.c,
4356         c-gimplify.c, c-lex.c, c-objc-common.c, c-opts.c, c-parser.c,
4357         c-pragma.c, c-typeck.c, calls.c, cgraph.c, coverage.c, emit-rtl.c,
4358         fold-const.c, fortran/trans-decl.c, function.c, gcse.c,
4359         genautomata.c, haifa-sched.c, opts.c, passes.c, regclass.c,
4360         reload1.c, stmt.c, stor-layout.c, toplev.c, tree-cfg.c,
4361         tree-dump.c, tree-inline.c, tree-mudflap.c, tree-optimize.c,
4362         tree-ssa.c, tree.c, varasm.c: Adjust warning() callers.
4363
4364         * config/alpha/alpha.c, config/arc/arc.c, config/arm/arm.c,
4365         config/avr/avr.c, config/bfin/bfin.c, config/c4x/c4x-c.c,
4366         config/c4x/c4x.c, config/cris/cris.c, config/darwin-c.c,
4367         config/darwin.c, config/darwin.h, config/h8300/h8300.c,
4368         config/i386/cygming.h, config/i386/djgpp.h, config/i386/i386.c,
4369         config/i386/winnt.c, config/ia64/ia64-c.c, config/ia64/ia64.c,
4370         config/ip2k/ip2k.c, config/m32r/m32r.c, config/m68hc11/m68hc11.c,
4371         config/m68k/m68k.c, config/mcore/mcore.c, config/mips/mips.c,
4372         config/mmix/mmix.c, config/ns32k/ns32k.c, config/pa/pa-hpux11.h,
4373         config/pa/pa.c, config/rs6000/aix43.h, config/rs6000/aix51.h,
4374         config/rs6000/aix52.h, config/rs6000/darwin.h,
4375         config/rs6000/rs6000-c.c, config/rs6000/rs6000.c,
4376         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
4377         config/sh/symbian.c, config/sol2-c.c, config/sol2.c,
4378         config/stormy16/stormy16.c, config/v850/v850-c.c,
4379         config/v850/v850.c, config/xtensa/xtensa.c: Adjust warning()
4380         callers.
4381
4382 2005-04-23  Richard Henderson  <rth@redhat.com>
4383
4384         PR rtl-opt/21102
4385         * simplify-rtx.c (simplify_binary_operation): Fix mode check before
4386         performing some integral scalar simplifications.
4387
4388 2005-04-23  Richard Henderson  <rth@redhat.com>
4389
4390         PR target/21099
4391         * config/i386/i386.c (ix86_split_to_parts): Use proper mode when
4392         simplifying CONST_VECTOR.
4393
4394 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
4395
4396         * tree-ssa-live.c (live_worklist): Take a stack allocated on
4397         heap as an argument.  Update uses of stack.
4398         (calculate_live_on_entry): Allocate stack on heap.
4399
4400         * tree-ssa-live.c (build_tree_conflict_graph): Allocate
4401         partition_link and tpa_nodes on heap.
4402
4403         * tree-ssa-dce.c (worklist): Change to VEC(tree,heap).
4404         (mark_stmt_necessary, propagate_necessity,
4405         mark_really_necessary_kill_operand_phis): Update uses of
4406         worklist.
4407         (tree_dce_init): Allocate worklist using VEC_alloc.
4408         (tree_dce_done): Free worklist using VEC_free.
4409
4410 2005-04-23  Mike Stump  <mrs@apple.com>
4411
4412         * config/darwin.c (machopic_indirection_name): Don't use
4413         quotes needlessly.
4414         (darwin_emit_unwind_label): Use user_label_prefix instead of
4415         "_".
4416
4417 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
4418
4419         * final.c, ipa-inline.c, varasm.c: Fix comment typos.
4420
4421 2005-04-23  Hans-Peter Nilsson  <hp@axis.com>
4422
4423         * config.gcc <cris-*>: Specify .opt files.
4424         * config/cris/cris.opt, config/cris/elf.opt, config/cris/aout.opt,
4425         config/cris/linux.opt: New files.
4426         * config/cris/aout.h (CRIS_SUBTARGET_SWITCHES)
4427         (CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
4428         (TARGET_ELF): Override to 0.
4429         (CRIS_SUBTARGET_HANDLE_OPTION): Override to handle -melinux and
4430         -melinux-stacksize=N.
4431         * config/cris/cris.c: (cris_handle_option): New function.
4432         (TARGET_DEFAULT_TARGET_FLAGS): Override.
4433         (TARGET_HANDLE_OPTION): Override to cris_handle_option.
4434         (cris_override_options): Use MASK_*, not TARGET_MASK_*.
4435         * config/cris/cris.h (TARGET_MASK_SVINTO, TARGET_SVINTO,
4436         (TARGET_MASK_CCINIT, TARGET_CCINIT, TARGET_MASK_PDEBUG)
4437         (TARGET_PDEBUG, TARGET_MASK_SIDE_EFFECT_PREFIXES)
4438         (TARGET_SIDE_EFFECT_PREFIXES, TARGET_MASK_EXPAND_MUL)
4439         (TARGET_EXPAND_MUL, TARGET_MASK_STACK_ALIGN, TARGET_STACK_ALIGN)
4440         (TARGET_MASK_CONST_ALIGN, TARGET_CONST_ALIGN)
4441         (TARGET_MASK_DATA_ALIGN, TARGET_DATA_ALIGN)
4442         (TARGET_MASK_PROLOGUE_EPILOGUE, TARGET_PROLOGUE_EPILOGUE)
4443         (TARGET_MASK_ETRAX4_ADD, TARGET_ETRAX4_ADD)
4444         (TARGET_MASK_ALIGN_BY_32, TARGET_ALIGN_BY_32, TARGET_MASK_ELF)
4445         (TARGET_ELF, TARGET_MASK_LINUX, TARGET_LINUX)
4446         (TARGET_MASK_AVOID_GOTPLT, TARGET_AVOID_GOTPLT)
4447         (TARGET_MASK_MUL_BUG, TARGET_MUL_BUG, TARGET_SWITCHES)
4448         (CRIS_SUBTARGET_SWITCHES, TARGET_OPTIONS)
4449         (CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
4450         (TARGET_LINUX): Define 0.
4451         (TARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.
4452         (CRIS_SUBTARGET_DEFAULT): Define to 0, not TARGET_MASK_ELF.
4453         (CRIS_SUBTARGET_DEFAULT): New empty default macro.
4454         * config/cris/linux.h (CRIS_SUBTARGET_SWITCHES): Don't define.
4455         (TARGET_LINUX): Override to 1.
4456         (CRIS_SUBTARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.
4457
4458 2005-04-23  Nathan Sidwell  <nathan@codesourcery.com>
4459
4460         * haifa-sched.c (schedule_block): Fix thinko in previous
4461         assertification patch.
4462
4463 2005-04-23  Richard Sandiford  <rsandifo@redhat.com>
4464
4465         * config.gcc (hppa[12]*-*-hpux10*): Add pa/pa-hpux.opt to
4466         $extra_options.  Also add pa/pa-hpux1010.opt for hpux10.[1-9]*.
4467         (hppa*64*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file.  Add
4468         pa/pa-hpux.opt, pa/pa-hpux1010.opt and pa/pa64-hpux.opt to
4469         $extra_options.  Also add pa/pa-hpux1111.opt for hpux11.[1-9]*.
4470         (hppa[12]*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file.  Add
4471         pa/pa-hpux.opt to $extra_options.  Also add pa/pa-hpux1111.opt
4472         for hpux11.[1-9]*.
4473         * config/pa/pa.h (architecture_type, rtx_def, pa_arch_string, pa_arch)
4474         (pa_fixed_range_string, pa_cpu_string, pa_unix_string, target_flags)
4475         (MASK_PA_11, MASK_DISABLE_FPREGS, TARGET_DISABLE_FPREGS)
4476         (MASK_NO_SPACE_REGS, TARGET_NO_SPACE_REGS, MASK_JUMP_IN_DELAY)
4477         (TARGET_JUMP_IN_DELAY, MASK_DISABLE_INDEXING, TARGET_DISABLE_INDEXING)
4478         (MASK_PORTABLE_RUNTIME, TARGET_PORTABLE_RUNTIME, MASK_GAS, TARGET_GAS)
4479         (MASK_SOFT_FLOAT, TARGET_SOFT_FLOAT, MASK_LONG_LOAD_STORE)
4480         (TARGET_LONG_LOAD_STORE, MASK_FAST_INDIRECT_CALLS)
4481         (TARGET_FAST_INDIRECT_CALLS, MASK_BIG_SWITCH, TARGET_BIG_SWITCH)
4482         (MASK_PA_20, MASK_SIO, TARGET_SIO, MASK_GNU_LD, TARGET_GNU_LD)
4483         (MASK_LONG_CALLS, TARGET_LONG_CALLS, TARGET_PA_11, TARGET_PA_20)
4484         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS)
4485         (SUBTARGET_OPTIONS): Delete.
4486         (TARGET_PA_10): Redefine in terms of TARGET_PA_11 and TARGET_PA_20.
4487         (TARGET_SCHED_DEFAULT): Define to a PROCESSOR_* enum (PROCESSOR_8000)
4488         instead of a string.
4489         * config/pa/pa.c (pa_arch, pa_arch_string, pa_fixed_range_string)
4490         (pa_cpu_string, pa_unix_string): Delete.
4491         (pa_cpu): Initialize to TARGET_SCHED_DEFAULT.
4492         (flag_pa_unix): Initialize based on TARGET_HPUX_11_11 and
4493         TARGET_HPUX_10_10.
4494         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
4495         (pa_handle_option): New function.
4496         (override_options): Remove handling of -march=, -mfixed-range=,
4497         -mschedule= and -munix=.
4498         * config/pa/pa-hpux.h (SUBTARGET_SWITCHES): Delete.
4499         * config/pa/pa-hpux1010.h (SUBTARGET_OPTIONS): Delete.
4500         * config/pa/pa-hpux10.h (SUBTARGET_OPTIONS): Delete.
4501         * config/pa/pa-hpux1111.h (SUBTARGET_OPTIONS): Delete.
4502         * config/pa/pa-hpux11.h (SUBTARGET_OPTIONS): Delete.
4503         * config/pa/pa64-hpux.h (SUBTARGET_SWITCHES): Delete.
4504         * config/pa/pa64-start.h (TARGET_PA_11, TARGET_PA_20): #undef before
4505         redefining.
4506         * config/pa/pa.opt: New file.
4507         * config/pa/pa-hpux.opt: New file.
4508         * config/pa/pa-hpux1010.opt: New file.
4509         * config/pa/pa-hpux1111.opt: New file.
4510         * config/pa/pa64-hpux.opt: New file.
4511
4512 2005-04-22  David S. Miller  <davem@davemloft.net>
4513
4514         * rtl.h (CONST_DOUBLE): Fix comment, a CONST_DOUBLE holds an
4515         integer when it's mode is VOIDmode not DImode.
4516
4517 2005-04-22  Geoffrey Keating  <geoffk@apple.com>
4518
4519         * config/rs6000/rs6000.md (sync_add<mode>_internal,
4520         sync_addshort_internal, sync_sub<mode>_internal, sync_andsi_internal,
4521         sync_anddi_internal, sync_boolsi_internal, sync_booldi_internal,
4522         sync_boolc<mode>_internal, sync_boolc<mode>_internal2,
4523         sync_boolcc<mode>_internal, sync_lock_test_and_set<mode>): Use
4524         "bne- $-xxx" rather than local labels.
4525         (sync_lock_release<mode>): Add second operand.
4526         (lwsync): Use .long rather than a more meaningful opcode.
4527         * doc/md.texi (Standard Names): Add description of second
4528         parameter to sync_lock_test_and_set.
4529
4530 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
4531
4532         PR tree-optimization/21088
4533         * fold-const.c (fold_unary, fold_binary, fold_ternary):
4534         Export.
4535         * tree-vrp.c (compare_values): Use fold_binary to compare
4536         pointers.  Use boolean_type_node as the type of a comparison
4537         expression being folded.
4538         * tree.h: Add prototypes for fold_unary, fold_binary,
4539         fold_ternary.
4540
4541         * tree-ssa-dom.c: Fix formatting.
4542
4543 2005-04-22  Diego Novillo  <dnovillo@redhat.com>
4544
4545         * Makefile.in (tree-into-ssa.o): Add dependency on PARAMS_H.
4546         * lambda-code.c (perfect_nestify): Mark virtual operands in
4547         the moved statement for renaming.
4548         * params.def (PARAM_MIN_VIRTUAL_MAPPINGS): Define.
4549         (PARAM_VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
4550         * params.h (MIN_VIRTUAL_MAPPINGS): Define.
4551         (VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
4552         * tree-flow.h (struct var_ann_d): Update comments.
4553         (rewrite_to_new_ssa_names_bb, rewrite_to_new_ssa_names,
4554         allocate_ssa_names, find_phi_node_for, dump_tree_ssa,
4555         debug_tree_ssa, debug_def_blocks, dump_tree_ssa_stats,
4556         debug_tree_ssa_stats, rewrite_ssa_into_ssa,
4557         dump_repl_tbl, debug_repl_tbl, dump_names_replaced_by,
4558         debug_names_replaced_by): Remove declarations.
4559         (delete_update_ssa, get_current_def, set_current_def): Declare.
4560         (rewrite_into_loop_closed_ssa): Add new argument.  Update
4561         all callers.
4562         * tree-into-ssa.c: Include params.h.
4563         (old_virtual_ssa_names): Remove.  Update all users.
4564         (need_to_replace_names_p): Remove.  Update all users.
4565         (struct update_ssa_stats_d): Declare.
4566         (update_ssa_stats): New local.
4567         (dump_tree_ssa, debug_tree_ssa, debug_def_blocks,
4568         dump_tree_ssa_stats, debug_tree_ssa_stats,
4569         dump_update_ssa, debug_update_ssa,
4570         dump_names_replaced_by, debug_names_replaced_by): Declare.
4571         (get_current_def, set current_def): Make extern.
4572         (is_old_name, is_new_name): Protect against references
4573         past the end of the sets.
4574         (add_new_name_mapping): Assert that OLD and NEW are
4575         different SSA names for the same symbol.
4576         When adding a virtual mapping, update stats for virtual
4577         mapping heuristic.
4578         (insert_phi_nodes_for): If UPDATE_P is true, create the
4579         LHS of the new PHI by duplicating SSA name VAR.
4580         (insert_phi_nodes_1): Remove.  Update all users.
4581         (insert_phi_nodes): Remove second argument.  Update all
4582         users.
4583         (maybe_replace_use, maybe_replace_def): New.
4584         (rewrite_update_stmt): Call them.
4585         (mark_def_interesting): Remove calls to is_gimple_reg.
4586         (prepare_phi_args_for_update): Remove.  Update all users.
4587         (prepare_block_for_update): Only process virtual operands
4588         and GIMPLE registers in normal form.
4589         (prepare_use_sites_for): New.
4590         (prepare_names_to_update): Rename from prepare_def_sites.
4591         Call prepare_use_sites_for.
4592         (dump_update_ssa): Rename from dump_repl_tbl.
4593         Update all users.
4594         Show statistics for virtual mapping heuristic.
4595         (debug_update_ssa): Rename from debug_debug_repl_tbl.
4596         (init_update_ssa): Initialize UPDATE_SSA_STATS.
4597         (delete_update_ssa): Make extern.
4598         (mark_set_for_renaming): If the set is empty, do nothing.
4599         (release_ssa_name_after_update_ssa): Update comment.
4600         (insert_updated_phi_nodes_for): Do not remove existing
4601         PHI nodes for symbols.
4602         (switch_virtuals_to_full_rewrite_p): New.
4603         (switch_virtuals_to_full_rewrite): New.
4604         (update_ssa): Call them.
4605         Clear REWRITE_THIS_STMT and REGISTER_DEFS_IN_THIS_STMT
4606         for every statement before updating.
4607         If all the names in NEW_SSA_NAMES have been marked for
4608         removal, do nothing.
4609         Only start at the top of the CFG if there are symbols in
4610         SYMS_TO_RENAME.
4611         (ssa_rewrite_finalize_block): Remove.
4612         (ssa_register_new_def): Remove.
4613         (ssa_rewrite_stmt): Remove.
4614         (ssa_rewrite_phi_arguments): Remove.
4615         (ssa_rewrite_initialize_block): Remove.
4616         (ssa_mark_def_sites): Remove.
4617         (ssa_mark_def_sites_initialize_block): Remove.
4618         (ssa_mark_phi_uses): Remove.
4619         (rewrite_ssa_into_ssa): Remove.
4620         * tree-phinodes.c (find_phi_node_for): Remove.
4621         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
4622         Call update_ssa.
4623         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops):
4624         Remove calls to verify_dominators and
4625         verify_loop_structure.
4626         (tree_unswitch_single_loop): Call update_ssa.
4627         * tree-ssa.c (verify_ssa): Assert that need_ssa_update_p
4628         returns false.
4629         Call verify_stmts.
4630         (delete_tree_ssa): Assert that need_ssa_update_p returns
4631         false.
4632         * tree-vect-transform.c (vect_transform_loop): Call update_ssa.
4633         * tree-vectorizer.c (allocate_new_names, rename_def_op,
4634         free_new_names): Remove.  Update all users.
4635         (rename_use_op): Call get_current_def.
4636         (rename_variables_in_bb): Do not handle any real or
4637         virtual definition.
4638         (slpeel_update_phis_for_duplicate_loop): Call
4639         get_current_def and set_current_def instead of using
4640         SSA_NAME_AUX.
4641         (slpeel_update_phi_nodes_for_guard2): Reformat comments.
4642         (slpeel_can_duplicate_loop_p): Call need_ssa_update_p,
4643         ssa_names_to_replace and delete_update_ssa.
4644         * doc/invoke.texi: Document --param min-virtual-mappings
4645         and --param virtual-mappings-ratio.
4646
4647 2005-04-22  Diego Novillo  <dnovillo@redhat.com>
4648
4649         * tree-cfg.c (tree_duplicate_bb): Call create_new_def_for
4650         for newly created PHI nodes.
4651         Call create_new_def_for for every new V_MAY_DEF and
4652         V_MUST_DEF on the copied statement.
4653         (struct ssa_name_map_entry): Remove.
4654         (ssa_name_map_entry_hash): Remove.
4655         (ssa_name_map_entry_eq): Remove.
4656         (allocate_ssa_names): Remove.
4657         (rewrite_to_new_ssa_names_def): Remove.
4658         (rewrite_to_new_ssa_names_use): Remove.
4659         (rewrite_to_new_ssa_names_bb): Remove.
4660         (rewrite_to_new_ssa_names): Remove.
4661         (tree_duplicate_sese_region): Remove variables ver,
4662         definitions, phi, ssa_name_map and bi.
4663         Call need_ssa_update_p instead of any_marked_for_rewrite_p.
4664         Call update_ssa.
4665         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
4666         update_ssa instead of rewrite_ssa_into_ssa.
4667         * tree-ssa-loop-manip.c (add_exit_phis_edge): Call
4668         create_new_def_for.
4669         (find_uses_to_rename_use): Add argument 'need_phis'.
4670         (find_uses_to_rename_stmt): Do not scan virtual operands.
4671         (find_uses_to_rename): Only scan PHI nodes for
4672         non-virtual names.
4673         (rewrite_into_loop_closed_ssa): Call update_ssa.
4674         (check_loop_closed_ssa_use): Ignore virtual operands.
4675         (check_loop_closed_ssa_stmt): Likewise.
4676         (verify_loop_closed_ssa): Do nothing if CURRENT_LOOPS is
4677         NULL.
4678         (rename_variables, set_phi_def_stmts): Remove.
4679         (tree_duplicate_loop_to_header_edge): Reformat comment.
4680         Remove variables BB, I and DEFINITIONS.
4681         Call need_ssa_update_p.
4682         Call update_ssa.
4683         (lv_adjust_loop_header_phi): Reformat comment.
4684         * tree-ssanames.c (ssa_names_to_rewrite): Remove.
4685         (marked_for_rewrite_p, any_marked_for_rewrite_p,
4686         mark_for_rewrite, unmark_all_for_rewrite,
4687         marked_ssa_names): Remove.  Update all users.
4688         (release_ssa_name): If VAR has been registered for SSA
4689         updating, do nothing.
4690         * tree-vrp.c (new_ssa_names, old_ssa_names): Remove.
4691         (build_assert_expr_for): Call register_new_name_mapping.
4692         (insert_range_assertions): Update call to update_ssa.
4693         * tree.h (mark_for_rewrite, unmark_all_for_rewrite,
4694         marked_for_rewrite_p, any_marked_for_rewrite_p,
4695         marked_ssa_names): Remove.
4696
4697 2005-04-22  Jeff Law  <law@redhat.com>
4698
4699         * tree-ssa-dom.c (block_defs_stack): Remove, no longer needed.
4700         (restore_currdefs_to_original_value): Likewise.
4701         (register_definitions_for_stmt): Likewise.
4702         (tree_ssa_dominator_optimize): No longer initialize CURRENT_DEF
4703         for each variable.  Do not allocate/free block_defs_stack either.
4704         Do not iterate if we just thread jumps.  Only iterate if the
4705         tree_cleanup_cfg does useful work (temporary).
4706         (dom_opt_initialize_block): No longer push a marker on
4707         BLOCK_DEFS_STACK.
4708         (dom_opt_finalize_block): Removal call to restore currdefs.
4709         Relax restrictions for recording edge equivalences.
4710         (record_equivalences_from_phis): No longer need to track
4711         CURRENT_DEF.
4712         (optimize_stmt): Similarly.
4713         (thread_across_edge): Simplify by removing the requirement that
4714         statements in the block we are threading through must be nops.
4715         (initialize_hash_element): Handle GOTO_EXPR.
4716
4717 2005-04-22  David S. Miller  <davem@davemloft.net>
4718
4719         * sched-vis.c (print_value): Use CONST_DOUBLE_LOW and
4720         CONST_DOUBLE_HIGH.
4721         * config/sparc/sparc.c (sparc_rtx_costs): Likewise, and
4722         fix check on CONST_DOUBLE mode.  It should be VOIDmode
4723         when it is representing an integer.
4724
4725 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
4726
4727         * builtins.c (gimplify_va_arg_expr): Reword comments to avoid
4728         'abort'. Use gcc_assert and gcc_unreachable as appropriate.
4729         * c-format.c (get_constant, decode_format_attr, get_flag_spec,
4730         find_char_info_specifier_index,
4731         find_length_info_modifier_index): Likewise.
4732         * c-typeck.c (composite_type, pop_init_level): Likewise.
4733         * combine.c (cant_combine_insn_p, try_combine): Likewise.
4734         * cse.c (cse_insn): Likewise
4735         * dominance.c (calc_dfs_tree): Likewise
4736         dwarf2out.c (loc_descriptor_from_tree_1,
4737         add_abstract_origin_attribute, force_decl_die,
4738         force_type_die): Likewise
4739         emit-rtl.c (operand_subword_force): Likewise
4740         explow.c (hard_function_value): Likewise
4741         expmed.c (store_bit_field, expand_divmod,
4742         emit_store_flag_force): Likewise
4743         expr.c (emit_move_multi_word, store_expr,
4744         expand_expr_real_1): Likewise
4745         final.c (this_is_asm_operands, shorten_branches, final_scan_insn,
4746         output_operand): Likewise
4747         flow.c (recompute_reg_usage): Likewise
4748         * function.c (assign_stack_temp_for_type, assign_temp,
4749         handle_epilogue_set): Likewise
4750         * genextract.c (main): Likewise
4751         * gimplify.c (mostly_copy_tree_r, gimplify_return_expr,
4752         gimplify_modify_expr_rhs, gimplify_expr): Likewise
4753         * haifa-sched.c (ready_lastpos, ready_remove_first, ready_element,
4754         ready_remove, rm_line_notes, rm_other_notes,
4755         schedule_block): Likewise
4756         mips-tfile.c (copy_object, out_of_bounds): Likewise
4757
4758 2005-04-22 David Edelsohn  <edelsohn@gnu.org>
4759
4760         PR target/20813
4761         * config/rs6000/default64.h (TARGET_DEFAULT): Add MASK_PPC_GFXOPT.
4762         * config/rs6000/rs6000.c (processor_target_table): Rename rs64a to
4763         rs64.  Add MASK_PPC_GFXOPT to powerpc64 and rs64.
4764         (rs6000_init_libfuncs): Set TFmode optabs to xlq names if
4765         TARGET_XL_COMPAT.
4766         * doc/invoke.texi (PowerPC options): Change rs64a to rs64.
4767
4768 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
4769
4770         * lambda-code.c: Define VEC(int,heap), VEC(lambda_loop,heap).
4771         (gcc_tree_to_linear_expression): Convert to heap allocated
4772         vectors.
4773         (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
4774         lbv_to_gcc_expression, lle_to_gcc_expression,
4775         lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest,
4776         perfect_nestify): Likewise.
4777         lambda.h (gcc_loopnest_to_lambda_loopnest,
4778         lambda_loopnest_to_gcc_loopnest): Likewise.
4779         tree-loop-linear.c (linear_transform_loops): Likewise.
4780
4781 2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
4782
4783         * config/sparc/predicates.md (arith_double_operand): Use
4784         trunc_int_for_mode if HOST_BITS_PER_WIDE_INT >=64.
4785         * config/sparc/sparc.md (movqi, movhi, movsi, movqi): Use gen_int_mode.
4786         (DImode, DFmode constant splitters): Likewise.  Remove code for
4787         TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT < 64.
4788         (logical constant splitters): Use const_int_operand predicate.
4789         (lshrsi3_extend): Remove code for TARGET_ARCH64 &&
4790         HOST_BITS_PER_WIDE_INT < 64.
4791
4792 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
4793
4794         * config/pa/pa.c (legitimize_pic_address): Use gcc_assert and
4795         gcc_unreachable as appropriate.
4796         (force_mode, emit_move_sequence, singlemove_string,
4797         output_move_double, output_fp_move_double, find_addr_reg,
4798         output_block_move, output_block_clear, output_and,
4799         output_64bit_and, output_ior, output_64bit_ior, store_reg_modify,
4800         pa_adjust_cost, pa_issue_rate, print_operand,
4801         output_global_address, output_arg_descriptor, output_cbranch,
4802         output_lbranch, output_bb, output_bvb, output_dbra, output_movb,
4803         output_call): Likewise.
4804         * config/pa/pa.md (call, call_value, sibcall, sibcall_value,
4805         prefetch, prefetch_cc, prefetch_nocc): Likewise.
4806
4807 2005-04-22  Zdenek Dvorak  <dvorakz@suse.cz>
4808
4809         * Makefile.in (LIBGCOV): Add _gcov_interval_profiler,
4810         _gcov_pow2_profiler and _gcov_one_value_profiler.
4811         (tree-profile.o): Add GGC_H and gt-tree-profile.h dependency.
4812         (GTFILES): Add $(srcdir)/tree-profile.c.
4813         * gcov-io.h (__gcov_interval_profiler, __gcov_pow2_profiler,
4814         __gcov_one_value_profiler): Declare.
4815         * gimplify.c (force_gimple_operand): Check whether the statements
4816         should be produced in ssa form.
4817         (force_gimple_operand_bsi): New function.
4818         * libgcov.c (__gcov_interval_profiler, __gcov_pow2_profiler,
4819         __gcov_one_value_profiler): New functions.
4820         * rtl-profile.c (rtl_gen_pow2_profiler): Only measure whether
4821         the profiled value is a power of two or not.
4822         * tree-cfg.c (tree_block_ends_with_condjump_p): Handle empty blocks.
4823         * tree-flow.h (in_ssa_p): Declare.
4824         (force_gimple_operand_bsi): Declare.
4825         * tree-into-ssa.c (in_ssa_p): New variable.
4826         (rewrite_into_ssa): Set in_ssa_p.
4827         * tree-outof-ssa.c (rewrite_out_of_ssa): Set in_ssa_p.
4828         * tree-profile.c: Include ggc.h and gt-tree-profile.h.
4829         (gcov_type_node, tree_interval_profiler_fn, tree_pow2_profiler_fn,
4830         tree_one_value_profiler_fn): New variables.
4831         (tree_init_edge_profiler): Initialize the profiler function decls.
4832         (tree_gen_edge_profiler): Use global gcov_type_node.
4833         (prepare_instrumented_value): New function.
4834         (tree_gen_interval_profiler, tree_gen_interval_profiler,
4835         tree_gen_one_value_profiler): Call the library functions instead of
4836         creating instrumentation code.
4837         * tree.c (build_fn_decl): New function.
4838         * tree.h (build_fn_decl): Declare.
4839         * value-prof.c (rtl_divmod_values_to_profile,
4840         rtl_find_values_to_profile, rtl_mod_pow2_value_transform,
4841         tree_mod_pow2_value_transform, tree_find_values_to_profile):
4842         Do not handle may_be_other and precise values of exponents at pow2
4843         profiler.
4844         (tree_mod_subtract_transform): Reflect that value field of
4845         histogram has changed meaning.
4846         (tree_divmod_values_to_profile): Record the values correctly.
4847         (tree_values_to_profile): Update comment.
4848         * value-prof.h (struct histogram_value_t): Remove pow2 data.
4849
4850 2005-04-22  Joseph S. Myers  <joseph@codesourcery.com>
4851
4852         * varasm.c (do_assemble_alias): Return early if TREE_ASM_WRITTEN
4853         (decl).
4854
4855 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
4856
4857         * config/i386/i386.md (length_immediate): Use gcc_assert or
4858         gcc_unreachable, as appropriate.
4859         (*movsi_1, *movqi_1, reload_outqi, *movdi_1_rex64, *pushsf,
4860         *pushsf_rex64, *truncxfsf2_mixed, *truncxfsf2_i387,
4861         *truncxfdf2_mixed, *truncxfdf2_i387, *adddi_1_rex64,
4862         *adddi_2_rex64, *adddi_3_rex64, *adddi_4_rex64, *adddi_5_rex64,
4863         *addsi_1, addsi_1_zext, *addsi_2, *addsi_2_zext, *addsi_3,
4864         *addsi_3_zext, *addsi_4, *addsi_5, *addhi_1_lea, *addhi_1,
4865         *addhi_2, *addhi_3, *addhi_4, *addhi_5, *addqi_1_lea, *addqi_1,
4866         *addqi_1_slp, *addqi_2, *addqi_3, *addqi_4, *addqi_5, addqi_ext_1,
4867         *addqi_ext_1_rex64, *anddi_1_rex64, *andsi_1, *andhi_1,
4868         *ashldi3_1_rex64, *ashldi3_cmp_rex64, *ashlsi3_1, *ashlsi3_1_zext,
4869         *ashlsi3_cmp, *ashlsi3_cmp_zext, *ashlhi3_1_lea, *ashlhi3_1,
4870         *ashlhi3_cmp, *ashlqi3_1_lea, *ashlqi3_1, *ashlqi3_cmp,
4871         pro_epilogue_adjust_stack_1, pro_epilogue_adjust_stack_rex64,
4872         pro_epilogue_adjust_stack_rex64_2, prefetch, *prefetch_sse,
4873         *prefetch_sse_rex): Likewise.
4874         * config/i386/predicates.md (x86_64_immediate_operand,
4875         x86_64_zext_immediate_operand, symbolic_operand,
4876         no_seg_address_operand, aligned_operand,
4877         memory_displacement_operand): Likewise.
4878         * config/i386/sse.md (*mov<mode>_internal,
4879         *movv2df_internal): Likewise.
4880
4881 2005-04-22  Jan Hubicka  <jh@suse.cz>
4882
4883         * Makefile.in (ipa.o, ipa-inline.o): New files.
4884         * cgraph.h (cgraph_remove_unreachable_nodes, cgraph_postorder,
4885         cgraph_decide_inlining_incrementally, cgraph_clone_inlined_nodes,
4886         cgraph_mark_inline_edge, cgraph_default_inline_p): Declare.
4887         * cgraphunit.c (cgraph_default_inline_p,
4888         cgraph_decide_inlining_incrementally,  ncalls_inlined,
4889         nfunctions_inlined, initial_insns, overall_insns,
4890         cgraph_estimate_size_after_inlining, cgraph_estimate_growth,
4891         cgraph_clone_inlined_nodes, cgraph_mark_inline_edge,
4892         cgraph_mark_inline, cgraph_check_inline_limits,
4893         cgraph_default_inline_p, cgraph_recursive_inlining_p,
4894         update_callee_keys, lookup_recursive_calls,
4895         cgraph_decide_recursive_inlining, cgraph_set_inline_failed,
4896         cgraph_decide_inlining_of_small_functions, cgraph_decide_inlining,
4897         cgraph_decide_inlining_incrementally, cgraph_gate_inlining,
4898         pass_ipa_inline): Move to ipa-inline.c
4899         (cgraph_postorder, cgraph_remove_unreachable_nodes): Move to ipa.c
4900         * ipa.c: New file.
4901         * ipa-inline.c: New file.
4902
4903 2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
4904
4905         * doc/invoke.texi (SPARC options): Document that -mapp-regs
4906         is turned off by default on Solaris.
4907
4908 2005-04-21  Roger Sayle  <roger@eyesopen.com>
4909
4910         * c-common.h (objc_build_method_signature): Update prototype.
4911         * stub-objc.c (objc_build_method_signature): Update the stub
4912         implementation to accept and ignore additional parameter.
4913         * c-parser.c (c_parser_objc_method_decl): Reorgnize to pass
4914         the value of ellipsis to objc_build_method_signature instead
4915         of setting TREE_OVERFLOW on the parms TREE_LIST node.
4916
4917 2005-04-21  Geoffrey Keating  <geoffk@apple.com>
4918
4919         * config/rs6000/rs6000-protos.h (rs6000_emit_sync): New.
4920         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Use
4921         gen_rtx_* not gen_rtx_fmt_*.
4922         (rs6000_emit_vector_select): Likewise.
4923         (rs6000_emit_sync): New.
4924         * config/rs6000/rs6000.md (GPR, INT, INT1): New mode macros.
4925         (larx, stcx, cmp): New mode substitutions.
4926         (UNSPEC_SYNC, UNSPEC_SYNC_OP, UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC,
4927         UNSPEC_ISYNC): New constants.
4928         (rlwinm): Give name.
4929         (memory_barrier, isync, lwsync): New insns.
4930         (sync_compare_and_swap<mode>, sync_lock_test_and_set<mode>): New insn.
4931         (sync_lock_release<mode>): New expander.
4932         (sync_add<mode>, sync_sub<mode>, sync_ior<mode>, sync_and<mode>,
4933         sync_xor<mode>, sync_nand<mode>, sync_old_add<mode>,
4934         sync_old_sub<mode>, sync_old_ior<mode>, sync_old_and<mode>,
4935         sync_old_xor<mode>, sync_old_nand<mode>, sync_new_add<mode>,
4936         sync_new_sub<mode>, sync_new_ior<mode>, sync_new_and<mode>,
4937         sync_new_xor<mode>, sync_new_nand<mode>): New expanders.
4938         (sync_add<mode>_internal, sync_addshort_internal,
4939         sync_sub<mode>_internal, sync_andsi_internal, sync_anddi_internal,
4940         sync_boolsi_internal, sync_booldi_internal, sync_boolc<mode>_internal,
4941         sync_boolc<mode>_internal2, sync_boolcc<mode>_internal): New insns.
4942
4943         * doc/md.texi (Standard Names): sync_compare_and_swap's operand 0
4944         is the memory before, not after, the operation.  Clarify
4945         barrier requirements.
4946
4947 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
4948
4949         * cfghooks.h (struct cfg_hooks): Reword comments to avoid 'abort'.
4950         * lambda.h (lambda_vector_min_nz): Likewise.
4951         * langhooks.h (struct lang_hooks_for_types,
4952         struct lang_hooks): Likewise.
4953         * output.h (assemble_integer, this_is_asm_operands): Likewise.
4954         * tree.h: Likewise.
4955         * vec.h: Likewise.
4956         * tree-flow-inline.h (relink_imm_use): Use gcc_assert.
4957
4958         * optabs.c (prepare_cmp_insn, emit_cmp_and_jump_insns): Reword
4959         comments to avoid 'abort'.  Use gcc_assert as necessary.
4960         * opts.c (common_handle_option): Likewise.
4961         * pretty-print.c (pp_base_format_text): Likewise.
4962         * print-rtl.c (print_rtx): Likewise.
4963         * read-rtl.c (read_rtx_filename, read_rtx_1): Likewise.
4964         * regmove.c (try_auto_increment): Likewise.
4965         * reload.c (find_valid_class, find_reloads_toplev,
4966         find_equiv_reg): Likewise.
4967         * reload1.c (reload, forget_old_reloads_1, function_invariant_p,
4968         merge_assigned_reloads): Likewise.
4969         * tree-inline.c (inline_forbidden_p_1,
4970         estimate_num_insns_1): Likewise.
4971         * tree-optimize.c (execute_todo): Likewise.
4972         * tree-outof-ssa.c (eliminate_phi): Likewise.
4973         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
4974         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Likewise.
4975         * tree-ssa-operands.c (parse_ssa_operands,
4976         get_indirect_ref_operands, create_ssa_artficial_load_stmt): Likewise.
4977         * tree-ssa-pre.c (find_or_generate_expression): Likewise.
4978         * tree-ssanames.c (release_ssa_name): Likewise.
4979         * tree.c (int_bit_position, int_byte_position, tree_low_cst,
4980         walk_tree): Likewise.
4981
4982         * tree-ssa-operands.c (verify_abort): Fold into ..
4983         (verify_imm_links): ... here.
4984
4985 2005-04-21  Richard Henderson  <rth@redhat.com>
4986
4987         * config/alpha/sync.md (sync_new_nand<I48MODE>): Fix constraints
4988         on non-memory operand for previous inversion.
4989
4990 2005-04-21  Devang Patel  <dpatel@apple.com>
4991
4992         PR optimization/20994
4993         * tree-if-conv.c (find_phi_replacement_condition): Avoid generating
4994         x = !(a == b) : p , q;.
4995         (pass_if_conversion): Verify stmts and flow.
4996
4997 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
4998
4999         * optabs.c (gen_conditional_trap): Restore #define.
5000
5001         * alias.c (true_dependence): Remove 'abort' from comments. Use
5002         gcc_assert and gcc_unreachable as appropriate.
5003         (canon_true_dependence): Likewise.
5004         * bb-reorder.c (connect_traces): Likewise.
5005         * c-common.c (c_add_case_label): Likewise.
5006         * c-decl.c (finish_function): Likewise.
5007         * caller-save.c (insert_restore, insert_save): Likewise.
5008         * cfg.c (update_bb_profile_for_threading): Likewise.
5009         * cfganal.c (flow_active_insn_p): Likewise.
5010         * cfgexpand.c (add_reg_br_prob_note): Likewise.
5011         * cfgrtl.c (rtl_redirect_edge_and_branch_force, rtl_split_edge,
5012         cfg_layout_merge_blocks): Likewise.
5013         * ifcvt.c (cond_exec_process_insns, merge_if_block,
5014         find_if_block): Likewise.
5015         * integrate.c (allocate_initial_values): Likewise.
5016         * jump.c (reverse_condition, reverse_condition_maybe_unordered,
5017         swap_condition, unsigned_condition, signed_condition,
5018         mark_jump_label, invert_jump_1, rtx_renumbered_equal_p,
5019         reg_or_subregno): Likewise.
5020         * lambda-code.c (lambda_compute_auxillary_space,
5021         lambda_transform_legal_p): Likewise.
5022         * lambda-mat.c (lambda_matrix_inverse_hard): Likewise.
5023         * langhooks.c (lhd_set_decl_assembler_name, lhd_type_promotes_to,
5024         lhd_incomplete_type_error, lhd_expand_expr,
5025         lhd_types_compatible_p, lhd_tree_size): Likewise.
5026         * lcm.c (create_pre_exit, optimize_mode_switching): Likewise.
5027         * local-alloc.c (update_equiv_regs): Likewise.
5028         * loop-unroll.c (peel_loop_completely
5029         unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
5030         peel_loop_simple, unroll_loop_stupid,
5031         analyze_iv_to_split_insn): Likewise.
5032         * loop.c (gen_prefetch, find_and_verify_loops,
5033         basic_induction_var): Likewise.
5034         * modulo-sched.c (normalize_sched_times, check_nodes_order): Likewise.
5035         * value-prof.c (tree_find_values_to_profile): Likewise.
5036         * varasm.c (named_section, default_assemble_integer,
5037         decode_addr_const): Likewise.
5038
5039 2005-04-21 Alan Modra  <amodra@bigpond.net.au>
5040            Fariborz Jahanian <fjahanian@apple.com>
5041
5042         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Fix size of
5043         portion of argument passed in fpr.
5044         * expr.c (emit_push_insn): Fix computation of 'offset' used to
5045         decide on partial argument save on stack.
5046
5047 2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
5048
5049         * config/sparc/predicates.md, config/sparc/sparc.md: Fix
5050         comment typos.
5051
5052 2005-04-21  Jan Hubicka  <jh@suse.cz>
5053
5054         * cgraphunit.c: Include tree-pass.h
5055         (cgraph_decide_recursive_inlining,
5056         cgraph_decide_inlining_of_small_function, cgraph_set_inline_failed,
5057         cgraph_decide_inlining): Dump goes to dump_file.
5058         (cgraph_optimize): Call ipa passes instead of inliner.
5059         (cgraph_gate_inlining, pass_ipa_inline): New.
5060         * tree-optimize.c (all_ipa_passes): New static variable.
5061         (register_one_dump_file): Dead with IPA passes.
5062         (register_dump_files): Likewise.
5063         (init_tree_optimization_passes): Initialize IPA passes.
5064         (execute_todo): Do cgraph dump when asked to, do not dump function body
5065         for IPA pass.
5066         * tree-pass.h (TODO_dump_cgraph): New macro.
5067         (ipa_passes): Declare.
5068         * Makefile.in (cgraphunit.o): Add dependency on cgraphunit.h
5069
5070 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
5071
5072         * config/i386/i386.c (type_natural_mode): Use gcc_unreachable and
5073         gcc_assert instead of abort.
5074         (classify_argument, examine_argument, construct_container,
5075         contains_128bit_aligned_vector_p, ix86_check_movabs,
5076         standard_80387_constant_opcode, standard_80387_constant_rtx,
5077         ix86_initial_elimination_offset, ix86_compute_frame_layout,
5078         pro_epilogue_adjust_stack, ix86_expand_epilogue,
5079         ix86_address_cost, legitimate_address_p, legitimize_pic_address,
5080         legitimize_tls_address, output_pic_addr_const,
5081         i386_output_dwarf_dtprel, put_condition_code, print_reg,
5082         get_some_local_dynamic_name, print_operand, print_operand_address,
5083         output_387_binary_op, emit_i387_cw_initialization,
5084         output_fix_trunc, output_fp_compare, ix86_output_addr_vec_elt,
5085         ix86_expand_clear, ix86_expand_binary_operator,
5086         ix86_expand_unary_operator, ix86_match_ccmode, ix86_cc_mode,
5087         ix86_cc_modes_compatible, ix86_fp_comparison_codes,
5088         ix86_fp_comparison_arithmetics_cost, ix86_expand_fp_compare,
5089         ix86_expand_branch, ix86_expand_setcc,
5090         ix86_expand_carry_flag_compare, ix86_expand_fp_movcc,
5091         ix86_expand_int_addcc, ix86_split_to_parts, ix86_split_long_move,
5092         ix86_expand_movmem, ix86_expand_call, assign_386_stack_local,
5093         memory_address_length, ix86_attr_length_immediate_default,
5094         ix86_attr_length_address_default, ix86_agi_dependant,
5095         x86_initialize_trampoline, ix86_init_mmx_sse_builtins,
5096         ix86_expand_binop_builtin, ix86_force_to_memory,
5097         ix86_secondary_memory_needed, ix86_avoid_jump_misspredicts,
5098         x86_emit_floatuns): Likewise.
5099         * config/i386/netware.c (gen_regparm_prefix,
5100         i386_nlm_strip_name_encoding): Likewise.
5101         * config/i386/winnt.c (i386_pe_mark_dllexport): Likewise.
5102
5103 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
5104
5105         * optabs.c (gen_condiational_trap): Remove #define.
5106         (add_equal_note): Assertify. Remove explicit indirection from
5107         call via function pointer.
5108         (expand_ternary_op, expand_simple_binop, expand_binop,
5109         expand_twoval_unop, expand_twoval_binop,
5110         expand_twoval_binop_libfunc, expand_simple_unop expand_unop,
5111         emit_unop_insn,  emit_no_conflict_block,  prepare_cmp_insn,
5112         prepare_operand emit_cmp_and_jump_insn_1, emit_cmp_and_jump_insns,
5113         prepare_float_lib_cmp, emit_conditional_move,
5114         emit_conditional_add, gen_add2_insn, gen_add3_insn,
5115         have_add2_insn, gen_sub2_insn, gen_sub3_insn, have_sub2_insn,
5116         expand_float, expand_fix, debug_optab_libfuncs, gen_cond_trap,
5117         vector_compare_rtx, expand_vec_cond_expr): Likewise.
5118
5119 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
5120
5121         * vec.h: Update API to separate allocation mechanism from type.
5122         (VEC_safe_grow): New.
5123         * vec.c (calculate_allocation): New.
5124         (vec_gc_o_reserve, vec_heap_o_reserve): Adjust.
5125         (vec_gc_free, vec_heap_free): Remove.
5126         * gengtype-lex.l (DEF_VEC_): Process mult-argument macros.  Adjust.
5127         (VEC): Likewise.
5128         (mangle_macro_name): New.
5129         (struct macro_def): New.
5130         (struct macro): Add multiple argument values.
5131         (macro_expans_end): New.
5132         (push_macro_expansion):  Chain on new macro. Process multiple
5133         args, create follow on expansion. Return follow on argument.
5134         (macro_input): Deal with multiple arguments.
5135
5136         * tree.h: Define VEC(tree,heap) and VEC(tree,gc).
5137         (struct tree_binfo): Adjust.
5138         * basic-block.h: Define VEC(edge,gc).
5139         (struct edge_def): Adjust.
5140         (struct basic_block_def, struct edge_iterator): Likewise.
5141         (ei_container, ei_start_1, ei_last_1): Likewise.
5142         * cfg.c (connect_src, connect_dest): Likewise.
5143         * cfgrtl.c (force_nonfallthru_and_redirect)
5144         * dbxout.c (dbxout_type)
5145         * dwarf2out.c (gen_member_die)
5146         * lambda-code.c: Define VEC(int,gc), VEC(lambda_loop,gc).
5147         (gcc_tree_to_linear_expression): Adjust.
5148         (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
5149         lbv_to_gcc_expression, lle_to_gcc_expression,
5150         lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest,
5151         perfect_nestify): Likewise.
5152         * lambda.h (gcc_loopnest_to_lambda_loopnest,
5153         lambda_loopnest_to_gcc_loopnest): Adjust prototypes.
5154         * profile.c (instrument_values): Adjust.
5155         * tree-cfg.c (modified_noreturn_calls): Adjust.
5156         (remove_fallthru_edge): Likewise.
5157         * tree-dump.c (dequeue_and_dump): Adjust.
5158         * tree-flow-inline.h (mark_stmt_modified): Adjust.
5159         * tree-flow.h (modified_noreturn_calls): Adjust.
5160         (tree_on_heap): Remove. (yay!)
5161         (register_new_def): Adjust.
5162         * tree-into-ssa.c: Define VEC(int,heap).
5163         (block_defs_stack): Adjust.
5164         (find_idf, insert_phi_nodes, register_new_def,
5165         rewrite_initialize_block, rewrite_finalize_block,
5166         register_new_update_single, rewrite_update_init_block,
5167         rewrite_update_fini_block, rewrite_blocks,
5168         ssa_rewrite_finalize_block, ssa_register_new_def,
5169         ssa_rewrite_initialize_block, rewrite_ssa_into_ssa): Likewise.
5170         * tree-loop-linear.c (linear_transform_loops): Adjust.
5171         * tree-ssa-alias.c: Define VEC(fieldoff_t,heap).
5172         (push_fields_onto_fieldstack, create_overlap_variables_for): Adjust.
5173         * tree-ssa-dom.c (avail_exprs_stack, block_defs_stack,
5174         stmts_to_rescan, const_and_copies_stack, nonzero_vars_stack,
5175         vrp_variables_stack): Adjust declarations.
5176         (tree_ssa_dominator_optimize): Adjust.
5177         (dom_opt_initialize_block, remove_local_expressions_from_table,
5178         restore_nonzero_vars_to_original_value,
5179         restore_vars_to_original_value,
5180         restore_currdefs_to_original_value, dom_opt_finalize_block,
5181         record_var_is_nonzero, record_cond, record_const_or_copy_1,
5182         optimize_stmt, update_rhs_and_lookup_avail_expr,
5183         lookup_avail_expr, record_range): Likewise.
5184         * tree-ssa-pre.c: Define VEC(basic_block,heap).
5185         (compute_antic_aux): Adjust.
5186         (inserted_exprs, create_expression_by_pieces,
5187         insert_into_preds_of_block, eliminate, mark_operand_necessary,
5188         remove_dead_inserted_code, fini_pre): Likewise.
5189         * tree-ssa-propagate.c (interesting_ssa_edges): Adjust.
5190         (varying_ssa_edges, add_ssa_edge, process_ssa_edge_worklist.
5191         ssa_prop_init): Likewise.
5192         * tree-ssa.c: Define VEC(bitmap,heap).
5193         (verify_name_tags): Adjust.
5194         * value-prof.c (rtl_divmod_values_to_profile): Adjust.
5195         (insn_prefetch_values_to_profile, rtl_find_values_to_profile,
5196         tree_divmod_values_to_profile, tree_find_values_to_profile,
5197         value_profile_transformations): Likewise.
5198         * value-prof.h: Define VEC(histogram_value,heap).
5199         * varasm.c: Remove alias_pair pointer typedef, define
5200         VEC(alias_pair,gc).
5201         (finish_aliases_1, finish_aliases_2, assemble_alias): Adjust.
5202
5203         * config/pa/pa.c (typedef extern_symbol): Typedef the structure,
5204         not a pointer to it.  Create an object vector.
5205         (extern_symbols): Turn into an object vector.
5206         (pa_hpux_asm_output_external, pa_hpux_file_end): Adjust.
5207
5208 2005-04-21  Sebastian Pop  <pop@cri.ensmp.fr>
5209
5210         PR/20742
5211         * Makefile.in (tree-chrec.o): Depend on params.h.
5212         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): New parameter with
5213         default value 20.
5214         * tree-chrec.c: Depend on params.h.  Replace build with buildN,
5215         and fold build with fold_buildN.
5216         (chrec_fold_plus_1): Fail with a chrec_don_know when the size of
5217         the expression exceeds PARAM_SCEV_MAX_EXPR_SIZE.
5218         (tree_contains_chrecs): Compute an estimation of the size of the
5219         given expression.
5220         * tree-chrec.h (tree_contains_chrecs): Modify its declaration.
5221         (tree_does_not_contain_chrecs): Update the use of tree_contains_chrecs.
5222         * tree-scalar-evolution.c (simple_iv): Ditto.
5223         * doc/invoke.texi (scev-max-expr-size): Documented.
5224
5225 2005-04-21  Richard Sandiford  <rsandifo@redhat.com>
5226
5227         * config.gcc (*-*-darwin*): Add darwin.opt to $extra_options.
5228         (i[34567]86-pc-msdosdjgpp*): Likewise i386/djgpp.opt.
5229         (i[34567]86-*-lynxos*, powerpc-*-lynxos*): Likewise lynx.opt.
5230         (i[34567]86-*-sco3.2v5*): Likewise i386/sco5.opt.
5231         (i[34567]86-*-pe, i[34567]86-*-cygwin*, i[34567]86-*-mingw32*)
5232         (i[34567]86-*-uwin*): Likewise i386/cygming.opt.
5233         * config/darwin.h (darwin_one_byte_bool, darwin_fix_and_continue)
5234         (darwin_fix_and_continue_switch, SUBTARGET_OPTIONS): Delete.
5235         * config/darwin.c (darwin_one_byte_bool, darwin_fix_and_continue)
5236         (darwin_fix_and_continue_switch): Delete.
5237         * config/lynx.h (SUBTARGET_OS_LYNX_SWITCHES): Delete.
5238         (SUBTARGET_SWITCHES): Delete.
5239         * config/i386/i386.h (target_flags, MASK_80387, MASK_RTD)
5240         (MASK_ALIGN_DOUBLE, MASK_SVR3_SHLIB, MASK_IEEE_FP, MASK_FLOAT_RETURNS)
5241         (MASK_NO_FANCY_MATH_387, MASK_OMIT_LEAF_FRAME_POINTER)
5242         (MASK_STACK_PROBE, MASK_NO_ALIGN_STROPS, MASK_INLINE_ALL_STROPS)
5243         (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS, MASK_MMX)
5244         (MASK_SSE, MASK_SSE2, MASK_SSE3, MASK_3DNOW, MASK_3DNOW_A)
5245         (MASK_128BIT_LONG_DOUBLE, MASK_64BIT, MASK_MS_BITFIELD_LAYOUT)
5246         (MASK_TLS_DIRECT_SEG_REFS, MASK_NO_RED_ZONE, TARGET_80387)
5247         (TARGET_RTD, TARGET_ALIGN_DOUBLE, TARGET_PUSH_ARGS)
5248         (TARGET_ACCUMULATE_OUTGOING_ARGS, TARGET_SVR3_SHLIB, TARGET_IEEE_FP)
5249         (TARGET_128BIT_LONG_DOUBLE, TARGET_NO_FANCY_MATH_387)
5250         (TARGET_USE_FANCY_MATH_387, TARGET_OMIT_LEAF_FRAME_POINTER)
5251         (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Delete.
5252         (TARGET_FLOAT_RETURNS_IN_80387): Make an alias of TARGET_FLOAT_RETURNS.
5253         (TARGET_64BIT): Undef before redefining.
5254         (TARGET_TLS_DIRECT_SEG_REFS, TARGET_STACK_PROBE)
5255         (TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS, TARGET_SSE)
5256         (TARGET_SSE2, TARGET_SSE3, TARGET_MMX, TARGET_3DNOW, TARGET_3DNOW_A)
5257         (TARGET_RED_ZONE, TARGET_USE_MS_BITFIELD_LAYOUT, TARGET_SWITCHES)
5258         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS)
5259         (ix86_fpmath_string, ix86_tls_dialect_string, ix86_cmodel_string)
5260         (ix86_asm_string, ix86_regparm, ix86_regparm_string)
5261         (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
5262         (ix86_debug_arg_string, ix86_debug_addr_string)
5263         (ix86_align_loops_string, ix86_align_jumps_string)
5264         (ix86_align_funcs_string): Delete.
5265         * config/i386/cygming.h (MASK_NOP_FUN_DLLIMPORT)
5266         (TARGET_NOP_FUN_DLLIMPORT, SUBTARGET_SWITCHES): Delete.
5267         * config/i386/djgpp.h (MASK_BNU210, SUBTARGET_SWITCHES): Delete.
5268         (SUBTARGET_OVERRIDE_OPTIONS): Check TARGET_BNU210.
5269         * config/i386/lynx.h (SUBTARGET_SWITCHES): Delete.
5270         * config/i386/sco5.h (MASK_COFF, TARGET_ELF)
5271         (SUBTARGET_SWITCHES): Delete.
5272         * config/i386/i386.c (ix86_debug_arg_string): Delete.
5273         (ix86_debug_addr_string): Delete.
5274         (ix86_cmodel_string, ix86_asm_string, ix86_tls_dialect_string)
5275         (ix86_fpmath_string, ix86_regparm_string, ix86_regparm)
5276         (ix86_align_loops_string, ix86_align_jumps_string)
5277         (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
5278         (ix86_align_funcs_string): Make static.
5279         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
5280         (ix86_handle_option): New function.
5281         (TARGET_USE_MS_BITFIELD_LAYOUT): Delete.
5282         (ix86_ms_bitfield_layout_p): Check TARGET_MS_BITFIELD_LAYOUT.
5283         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove handling
5284         of darwin_fix_and_continue_switch.
5285         (darwin_one_byte_bool): Delete.
5286         * config/rs6000/lynx.h (EXTRA_SUBTARGET_SWITCHES): Delete.
5287         * config/rs6000/rs6000.c (rs6000_override_options): Update assignment
5288         to darwin_one_byte_bool.
5289         * config/darwin.opt, config/lynx.opt, config/i386/cygming.opt,
5290         * config/i386/djgpp.opt, config/i386/i386.opt,
5291         * config/i386/sco5.opt: New files.
5292
5293 2005-04-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
5294
5295         * config/sparc/sparc.c (reg_or_0_operand, const1_operand,
5296         fp_zero_operand, fp_register_operand, intreg_operand,
5297         fcc_reg_operand, fcc0_reg_operand, icc_or_fcc_reg_operand,
5298         call_operand, call_operand_address, tgd_symbolic_operand,
5299         tld_symbolic_operand, tie_symbolic_operand, tle_symbolic_operand,
5300         symbolic_operand, symbolic_memory_operand, label_ref_operand,
5301         sp64_medium_pic_operand, data_segment_operand,
5302         text_segment_operand, splittable_symbolic_memory_operand,
5303         reg_or_nonsymb_mem_operand, splittable_immediate_memory_operand,
5304         eq_or_neq, normal_comp_operator, noov_compare_op,
5305         noov_compare64_op, v9_regcmp_op, extend_op, cc_arithop,
5306         cc_arithopn, arith_operand, arith_4096_operand, arith_add_operand,
5307         const64_operand, const64_high_operand, arith11_operand,
5308         arith10_operand, arith_double_operand, arith_double_4096_operand,
5309         arith_double_add_operand, arith11_double_operand,
5310         arith10_double_operand, small_int, small_int_or_double,
5311         uns_small_int, uns_arith_operand, clobbered_register,
5312         input_operand, compare_operand): Delete.
5313         (sparc_emit_set_const32): Use predicates in assertion.  Remove special
5314         code for TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT != 64.
5315         (sparc_emit_set_const64): Call gcc_unreachable if H_B_P_W_I == 32.
5316         (GEN_HIGHINT64, GEN_INT64): Delete.
5317         (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
5318         gen_safe_XOR64): Adjust for above deletion.
5319         (sparc_emit_set_const64): Support only H_B_P_W_I == 64 and CONST_INTs.
5320         Use 'unsigned HOST_WIDE_INT' instead of 'long' for bitmask.
5321         (legitimate_constant_p): Use const_zero_operand instead.
5322         (sparc_extra_constraint_check): Likewise.
5323         * config/sparc/sparc.h (CONST_DOUBLE_OK_FOR_LETTER_P): Remove 'O'.
5324         (PREFERRED_RELOAD_CLASS): Use const_zero_operand.
5325         (PREDICATE_CODES): Delete.
5326         * config/sparc/sparc.md: Include predicates.md.
5327         (All patterns): Adjust for new predicate names.
5328         (cmpdi, cmpdi_sp64): Use arith_operand predicate.
5329         (movhi_const64_special, movsi_const64_special): Add 'K' constraint.
5330         (movdi): Use general_operand predicate.
5331         (movdi_sp64_dbl): Delete.
5332         (movdi_const64_special): Add 'N' constraint.
5333         (movdicc): Use arith10_operand predicate.
5334         (movdi_cc_sp64, movdi_cc_sp64_trunc): Use arith11_operand predicate.
5335         (movdi_cc_reg_sp64): Use arith10_operand predicate.
5336         (movdi_cc_reg_sp64_trunc): Delete.
5337         (cmp_zero_extract, cmp_zero_extract_sp64): Use small_int_operand.
5338         (adddi3_sp64, cmp_ccx_plus, cmp_ccx_plus_set): Use arith_operand.
5339         (subdi3_sp32): Delete.
5340         (subdi3_insn_sp32): Change to define_insn_and_split.
5341         (subdi3_sp64, cmp_minus_ccx, cmp_minus_ccx_set): Use arith_operand.
5342         (muldi3, muldi3_sp64, muldi3_v8plus): Likewise.
5343         (smulsi3_highpart_v8plus, const_smulsi3_highpart_v8plus,
5344         umulsi3_highpart_v8plus, const_umulsi3_highpart_v8plus): Use
5345         small_int_operand predicate.
5346         (divdi3, udivdi3): Use arith_operand predicate.
5347         (udivsi3, udivsi3_sp32, udivsi3_sp64): Use nonimmediate_operand.
5348         (and<V64I>3_sp64, ior<V64I>3_sp64, xor<V64I:mode>3_sp64,
5349         xor_not_<V64I:mode>_sp64) : Use arith_operand predicate.
5350         (xordi3_sp64_dbl): Delete.
5351         (cmp_ccx_arith_op, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
5352         cmp_ccx_xor_not_set, cmp_ccx_arith_op_not, cmp_ccx_arith_op_not_set,
5353         cmp_ccx_neg, cmp_ccx_set_neg, one_cmpl<V64I>2_sp64, cmp_ccx_not,
5354         cmp_ccx_set_not): Use arith_operand predicate.
5355         (ashrsi3_extend2, lshrsi3_extend2 et al.): Use small_int_operand.
5356         * config/sparc/predicates.md: New file.
5357
5358 2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
5359
5360         PR tree-optimization/14846
5361         * fold-const.c (fold_single_bit_test_into_sign_test): New,
5362         split out from ...
5363         (fold_single_bit_test): ... here.
5364         (fold_binary): Call fold_single_bit_test_into_sign_test
5365         instead of fold_single_bit_test.
5366
5367 2005-04-20  James E Wilson  <wilson@specifixinc.com>
5368
5369         PR c++/20805
5370         * dwarf2out.c (gen_variable_die): Don't emit a specification if this
5371         is another declaration.
5372
5373 2005-04-21  Hans-Peter Nilsson  <hp@axis.com>
5374
5375         * config/cris/predicates.md: New file.
5376         * config/cris/cris-protos.h (cris_store_multiple_op_p)
5377         (cris_movem_load_rest_p): Declare.
5378         * config/cris/cris.c (cris_store_multiple_op): Return bool, not int.
5379         (cris_movem_load_rest_p): Ditto.  Globalize.
5380         (cris_bdap_operand, cris_bdap_biap_operand,
5381         cris_orthogonal_operator, cris_commutative_orth_op,
5382         cris_operand_extend_operator,
5383         cris_additive_operand_extend_operator, cris_extend_operator,
5384         cris_plus_or_bound_operator, cris_mem_op,
5385         cris_general_operand_or_symbol,
5386         cris_general_operand_or_gotless_symbol,
5387         cris_general_operand_or_plt_symbol, cris_mem_call_operand,
5388         cris_load_multiple_op): Remove predicate functions.
5389         (cris_symbol, cris_gotless_symbol) <case UNSPEC>: Return 0, don't
5390         abort, for UNSPECs other than CRIS_UNSPEC_PLT.
5391         * config/cris/cris.h (PREDICATE_CODES): Don't define.
5392         * config/cris/cris.md: Include predicates.md.
5393         ("call", "call_value"): Generate CONSTs of Pmode, not VOIDmode.
5394
5395 2005-04-20  Ian Lance Taylor  <ian@airs.com>
5396
5397         * c-common.def: Remove STMT_EXPR (moved to cp/cp-tree.def).
5398         * c-common.h (STMT_EXPR_STMT): Don't define.
5399         (STMT_EXPR_NO_SCOPE): Don't define.
5400         * c-dump.c (c_dump_tree): Don't handle STMT_EXPR.
5401         * c-pretty-print.c (pp_c_primary_expression): Likewise.
5402         (pp_c_expression): Likewise.
5403
5404 2005-04-20  Richard Henderson  <rth@redhat.com>
5405
5406         PR target/21100
5407         * config/i386/mmx.md (push<MMXMODE>1): Fix predicate thinko.
5408
5409 2005-04-20  Jeff Law  <law@redhat.com>
5410
5411         * reload1.c (reload): Ignore equivalences between pseudos and
5412         read only memory.
5413
5414 2005-04-20  Joseph S. Myers  <joseph@codesourcery.com>
5415
5416         PR c/12913
5417         * c-tree.h (struct c_label_list): Update comment.
5418         (struct c_label_context): Rename to struct c_label_context_se.
5419         (label_context_stack): Rename to label_context_stack_se.
5420         (C_DECL_UNJUMPABLE_VM, C_DECL_UNDEFINABLE_VM, struct
5421         c_label_context_vm, label_context_stack_vm, c_begin_vm_scope,
5422         c_end_vm_scope): New.
5423         (C_DECL_DECLARED_BUILTIN, C_DECL_USED): Use FUNCTION_DECL_CHECK.
5424         * c-decl.c (pop_scope): Call c_end_vm_scope.
5425         (pushdecl): Call c_begin_vm_scope for variably modified
5426         declarations.
5427         (define_label): Check for jumping into scope of identifier with
5428         variably modified type.  Push label on stack for those defined at
5429         current context of identifiers with variably modified type.
5430         (start_function): Create stack level for context of identifiers
5431         with variably modified type.
5432         (finish_function): Pop stack level for context of identifiers with
5433         variably modified type.
5434         * c-typeck.c (label_context_stack): Rename to
5435         label_context_stack_se.
5436         (label_context_stack_vm, c_begin_vm_scope, c_end_vm_scope): New.
5437         (c_finish_goto_label): Check for jumping into scope of identifier
5438         with variably modified type.  Push label on stack for those jumped
5439         to from current context of identifiers with variably modified
5440         type.
5441         (struct c_switch): Add blocked_vm.
5442         (c_start_case): Initialize blocked_vm.
5443         (do_case): Check blocked_vm.
5444         (c_finish_case): Add comment.
5445         (c_begin_stmt_expr, c_finish_stmt_expr): Update for renamed
5446         variable label_context_stack.
5447
5448 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
5449
5450         * tree-ssa-phiopt.c (tree_ssa_phi_opt): Update calls to
5451         conditional_replacement, value_replacement, abs_replacement,
5452         minmax_replacement.
5453         (replace_phi_edge_with_variable): Remove argument BB.
5454         (conditional_replacement, value_replacement,
5455         minmax_replacement, abs_replacement): Remove argument PHI_BB.
5456         Update a call to replace_phi_edge_with_variable.
5457
5458         * tree-ssa-phiopt.c: Fix comments.
5459
5460 2005-04-20  Michael Matz  <matz@suse.de>
5461
5462         PR20973
5463         * reload.c (push_reload, find_dummy_reload): Check for uninitialized
5464         pseudos.
5465
5466 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
5467
5468         * tree-ssa-phiopt.c: Fix comment typos.
5469
5470         PR tree-optimization/21116
5471         * tree-ssa-phiopt.c: Fix a typo.
5472
5473 2005-04-19  Richard Henderson  <rth@redhat.com>
5474
5475         * builtins.c (expand_builtin_sync_operation): Revert last change.
5476         * optabs.c (expand_bool_compare_and_swap): Compare vs old value,
5477         not vs new value.
5478         (expand_compare_and_swap_loop): Likewise.
5479         (expand_sync_operation): Remove fallback from NAND to AND; invert
5480         memory operand when expanding from cmpxchg.
5481         (expand_sync_fetch_operation): Likewise.
5482         * doc/extend.texi (Atomic Builtins): Fix docs for nand and
5483         compare-and-swap.
5484
5485         * config/alpha/alpha.c (alpha_split_atomic_op): Invert memory operand
5486         when implementing NAND.  Fix double-add for AFTER.
5487         * config/alpha/sync.md (sync_nand<I48MODE>): Invert memory operand.
5488         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
5489         (sync_compare_and_swap<I48MODE>): Fix compare vs zero.  Return old
5490         memory value.
5491         (sync_lock_test_and_set<I48MODE>): Remove extra label and last
5492         memory barrier.
5493
5494         * config/i386/sync.md (sync_compare_and_swap<IMODE>): Fix pattern
5495         to return old memory value.
5496         (sync_compare_and_swap_cc<IMODE>): Likewise.
5497
5498         * config/ia64/ia64.c (ia64_dependencies_evaluation_hook): Early
5499         return pre-reload.  Don't consider output or anti dependencies.
5500         * config/ia64/sync.md (IMODE): New.
5501         (modesuffix): Add QI and HI.
5502         (memory_barrier): Simplify expansion.
5503         (sync_compare_and_swap<IMODE>): Use IMODE, not I48MODE.
5504         (cmpxchg_acq_<IMODE>): Likewise.
5505         (sync_lock_test_and_set<IMODE>): Likewise.
5506         (sync_lock_release<IMODE>): Likewise.
5507
5508 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
5509
5510         * fold-const.c (fold_binary): Fold ~(X ^ Y) to ~X ^ Y or X ^ ~Y if
5511         ~X or ~Y simplify.
5512
5513 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
5514
5515         * fold-const (fold_binary):  Fold ~X ^ ~ Y to X ^ Y.
5516
5517 2005-04-20  Michael Pogue  <michael.pogue@sun.com>
5518             Joseph S. Myers  <joseph@codesourcery.com>
5519
5520         * c.opt (Wint-to-pointer-cast, Wpointer-to-int-cast): New options.
5521         * c-typeck.c (build_c_cast): Check these options.
5522         * doc/invoke.texi: Document these options.
5523
5524 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
5525
5526         * tree-ssa-phiopt.c: Update a comment about the pass.
5527
5528 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
5529
5530         * tree-ssa-phiopt.c, config/arm/arm.c, config/fr30/fr30.md,
5531         config/mcore/mcore.c: Fix comment typos.
5532
5533 2005-04-19  Daniel Jacobowitz  <dan@codesourcery.com>
5534
5535         * Makefile.in (libgcc.mk): Pass GCC_FOR_TARGET.
5536         * mklibgcc.in: Use $GCC_FOR_TARGET instead of ./xgcc.
5537
5538 2005-04-19  Paul Brook  <paul@codesourcery.com>
5539
5540         * config/arm/arm.c (arm_init_libfuncs): Clear mod optabs.
5541
5542 2005-04-19  Andrew Haley  <aph@redhat.com>
5543
5544         PR java/21022
5545         * dbxout.c (dbxout_type_fields): Check DECL_IGNORED_P before
5546         looking at a field's bitpos.
5547
5548 2005-04-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5549
5550         * system.h (fopen, fdopen, freopen): Define these to the unlocked
5551         libiberty functions.
5552
5553 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
5554
5555         PR tree-optimization/21096
5556         * tree-ssa-copy.c (fini_copy_prop): Free cached_last_copy_of.
5557
5558 2005-04-19  Alan Modra  <amodra@bigpond.net.au>
5559
5560         PR target/21098
5561         * config/rs6000/rs6000.c (rs6000_elf_end_indicate_exec_stack): New.
5562         * config/rs6000/linux64.h (TARGET_ASM_FILE_END): Use the above.
5563
5564 2005-04-19  Alexandre Oliva  <aoliva@redhat.com>
5565
5566         * tree-cfg.c (dump_function_to_file): Use cfun info only if it
5567         refers to the function being dumped.
5568
5569 2005-04-18  Daniel Jacobowitz  <dan@codesourcery.com>
5570
5571         * varasm.c (assemble_start_function): Remove reset of in_section.
5572
5573 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
5574
5575         PR tree-optimization/21085
5576         * fold-const (fold_binary): Don't change X % -C to X % C if C has
5577         overflowed.
5578
5579 2005-04-19  Ben Elliston  <bje@au.ibm.com>
5580
5581         * doc/invoke.texi (Optimize Options): Refer to the correct
5582         optimisation flag -ftree-dominator-opts, not -ftree-dom.
5583
5584 2005-04-18  Christopher Jaillet <christophe.jaillet@wanadoo.fr>
5585
5586         * config/rs6000/rs6000.c (machopic_output_stub):  Increase
5587         alloca argument to be big enough.
5588
5589 2005-04-18  Alexandre Oliva  <aoliva@redhat.com>
5590
5591         PR middle-end/21049
5592         * tree-cfg.c (dump_function_to_file): Do not crash if cfun or
5593         cfun->cfg are NULL.
5594
5595 2005-04-18  Tom Tromey  <tromey@redhat.com>
5596
5597         * cgraphunit.c (cgraph_finalize_compilation_unit): Fix a comment
5598         typo.
5599
5600 2005-04-18  Richard Henderson  <rth@redhat.com>
5601
5602         * config/alpha/alpha.c (alpha_split_atomic_op): New.
5603         (alphaev5_insn_pipe): Add LD_L, ST_C, MB types.
5604         (alphaev4_insn_pipe): Likewise.  Correct IST and LDSYM pipes.
5605         * config/alpha/alpha-protos.h: Update.
5606         * config/alpha/alpha.md (UNSPECV_MB, UNSPECV_LL, UNSPECV_SC): New.
5607         (UNSPECV_ATOMIC, UNSPECV_CMPXCHG, UNSPECV_XCHG): New.
5608         (attr type): Add ld_l, st_c, mb.
5609         (andsi_internal, andnotsi3, iorsi_internal, one_cmplsi_internal,
5610         iornotsi3, xorsi_internal, xornotsi3): New.
5611         * config/alpha/ev4.md (ev4_ld): Add ld_l.
5612         (ev4_ist_c, ev4_mb): New.
5613         * config/alpha/ev5.md (ev5_st): Add st_c, mb.
5614         (ev5_ld_l): New.
5615         * config/alpha/ev6.md (ev6_ild): Add ld_l.
5616         (ev6_ist): Add st_c.
5617         (ev6_mb): New.
5618         * config/alpha/sync.md: New file.
5619
5620 2005-04-18  Richard Henderson  <rth@redhat.com>
5621
5622         * builtins.c (expand_builtin_sync_operation): Fold nand to and
5623         for constants.
5624
5625         * optabs.c (expand_sync_operation): Fix typo expanding nand to and.
5626
5627 2005-04-18  Devang Patel  <dpatel@apple.com>
5628
5629         * config/rs6000/atlivec.md (mulv4si3): New pattern.
5630
5631 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
5632
5633         PR tree-optimization/20922
5634         * fold-const.c (fold_binary): Fold X - c > X and X + c < X to false.
5635         Fold X + c >= X and fold X - c <= X to true.
5636
5637 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
5638
5639         * config/ia64/unwind-ia64.c (emergency_reg_state_free): Make an
5640         unsigned int.
5641         (emergency_labeled_state_free): Likewise.
5642
5643 2005-04-18  Nick Clifton  <nickc@redhat.com>
5644
5645         * config/h8300/h8300.md (jump): Remove prescan parameter from
5646         calls to final_scan_insn.
5647
5648         * config/arc/arc.c (arc_output_function_epilogue): Remove prescan
5649         parameter from calls to final_scan_insn.
5650
5651         * config.gcc (m68hc12): Use the m68hc11.opt file for target
5652         specific options.
5653         (v850e, v850e1): Use the v850.opt file for target specific
5654         options.
5655
5656 2005-04-18  Kazu Hirata  <kazu@cs.umass.edu>
5657
5658         PR tree-optimization/21001
5659         * tree-optimize.c (init_tree_optimization_passes): Move the
5660         first pass_forwprop immediately before pass_vrp.
5661
5662 2005-04-17  Ian Lance Taylor  <ian@airs.com>
5663
5664         * c-common.def (SIZEOF_EXPR, ARROW_EXPR, ALIGNOF_EXPR): Remove.
5665         * c-common.c (c_sizeof_or_alignof_type): Change second parameter
5666         from enum tree_code op to bool is_sizeof.
5667         * c-common.h (c_sizeof_or_alignof_type): Update declaration.
5668         (c_sizeof, c_alignof): Update calls to c_sizeof_or_alignof_type.
5669         * c-pretty-print.c (pp_c_postfix_expression): Remove ARROW_EXPR
5670         case.
5671         (pp_c_unary_expression): Remove SIZEOF_EXPR and ALIGNOF_EXPR
5672         cases.
5673         (pp_c_expression): Remove ARROW_EXPR, SIZEOF_EXPR, and
5674         ALIGNOF_EXPR cases.
5675
5676 2005-04-17  Ian Lance Taylor  <ian@airs.com>
5677
5678         * system.h: Poison DONT_ACCESS_GBLS_AFTER_EPILOGUE.
5679
5680 2005-04-17  Richard Henderson  <rth@redhat.com>
5681
5682         * config/alpha/alpha.c (va_list_skip_additions): Only define if
5683         TARGET_ABI_OSF.
5684         (TARGET_STDARG_OPTIMIZE_HOOK): Likewise.
5685         (alpha_stdarg_optimize_hook): Likewise.  Allow for one more round
5686         of indirection through ssa names while looking for the gpr counter
5687         field.
5688         (alpha_setup_incoming_varargs) <TARGET_ABI_OSF>: Make use of the
5689         saved va_list_gpr_size and va_list_fpr_size.
5690
5691 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
5692
5693         * tree-vrp.c (compare_values): Check that VAL1 and VAL2 are
5694         both pointers or both integers.
5695
5696         * tree-vrp.c (maybe_add_assert_expr): Don't assert
5697         ASSERT_EXPRs for single-use variable.
5698
5699         * tree-into-ssa.c: Fix a comment typo.
5700
5701 2005-04-17  Richard Sandiford  <rsandifo@redhat.com>
5702
5703         * config/mips/iris6.h (DRIVER_SELF_SPECS): Check -march as well as
5704         -mipsN before forcing a default of -mips2.
5705
5706 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
5707
5708         * predict.h (IS_TAKEN): Remove.
5709         * rtl.h (NOTE_PREDICTION): Likewise.
5710
5711         * modulo-sched.c (CFG_HOOKS): Remove.
5712
5713         * c-parser.c (N_C_TTYPES): Remove.
5714
5715         * tree-flow-inline.h (get_stmt_operands): Remove.
5716         * lambda-code.c, tree-ssa-loop-unswitch.c,
5717         tree-ssa-operands.c, tree-ssa-pre.c, tree-ssa-propagate.c,
5718         tree-ssa-sink.c, tree-ssa.c, tree-tailcall.c,
5719         tree-vect-transform.c, tree-vectorizer.c, tree-vrp.c): Remove
5720         calls to get_stmt_operands.
5721         * doc/tree-ssa.texi: Don't mention get_stmt_operands.
5722
5723 2005-04-17  Richard Henderson  <rth@redhat.com>
5724
5725         PR target/20375
5726         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Advance a copy
5727         of CUMULATIVE_ARGS past the last named argument.
5728         (alpha_va_start): Expect pretend_args_size only if strictly less than
5729         6 named arguments.
5730
5731 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
5732
5733         PR middle-end/21024
5734         * builtins.c (expand_builtin_strcat): Convert the result of
5735         strlen to the right type.
5736         * fold-const.c (fold_binary) <PLUS_EXPR>: Use fold_convert to
5737         avoid creating type mismatches.
5738         <GE_EXPR>: Pass op0 and op1 to fold_build2 to avoid creating
5739         type mismatches.
5740
5741         * c-lex.c (WCHAR_TYPE_SIZE, WCHAR_BYTES): Remove.
5742
5743 2005-04-16  Richard Henderson  <rth@redhat.com>
5744
5745         PR target/21051
5746         * builtins.c (expand_builtin) <BUILT_IN_BOOL_COMPARE_AND_SWAP_*>:
5747         Use the mode of boolean_type_node when the user doesn't provide one.
5748         * config/ia64/sync.md (sync_lock_release<I48MODE>): Use operand 1.
5749
5750 2005-04-16  Alexandre Oliva  <aoliva@redhat.com>
5751
5752         PR target/20126
5753         * loop.c (loop_givs_rescan): Handle non-replaceable (plus (reg)
5754         (const)).
5755
5756         * tree-scalar-evolution.c (interpret_rhs_modify_expr): Fix typo in
5757         comment.
5758
5759 2005-04-16  Roger Sayle  <roger@eyesopen.com>
5760             Steven Bosscher  <stevenb@suse.de>
5761
5762         * fold-const.c (fold_binary_to_constant): Delete obsolete comment.
5763         (fold_unary_to_constant): Likewise.
5764
5765 2005-04-16  Kazu Hirata  <kazu@cs.umass.edu>
5766
5767         * basic-block.h: Adjust the value of PROP_SCAN_DEAD_STORES,
5768         PROP_ASM_SCAN.
5769
5770 2005-04-16  Gerald Pfeifer  <gerald@pfeifer.com>
5771
5772         * doc/install.texi (Specific): Avoid using asterisks in @anchor
5773         names related to target triplets.
5774         Remove i?86-*-esix from platform directory.
5775         Remove powerpc-*-eabiaix from platform directory.
5776
5777 2005-04-16  Joseph S. Myers  <joseph@codesourcery.com>
5778
5779         PR middle-end/20491
5780         * config/ia64/ia64.c (rtx_needs_barrier): Recurse instead of
5781         falling through from SUBREG case to REG.
5782
5783 2005-04-15  Roger Sayle  <roger@eyesopen.com>
5784
5785         * fold-const.c (fold_relational_hi_lo): Delete function and prototype.
5786         (fold_binary): Update comment mentioning fold_relational_hi_lo.
5787         (fold_binary_to_constant): Simplify using fold_binary.
5788         (fold_unary_to_constant): Likewise, simplify using fold_unary.
5789
5790 2005-04-15  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
5791
5792         * gthr-posix.c (pthread_cancel): Define.
5793         (pthread_mutexattr_init): Likewise.
5794         (pthread_mutexattr_settype): Likewise.
5795         (pthread_mutexattr_destroy): Likewise.
5796
5797 2005-04-15  David S. Miller  <davem@davemloft.net>
5798
5799         PR target/20673
5800         * config/sparc/sparc.h (sparc_hard_reg_printed): Mark as GTY(()).
5801
5802 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
5803
5804         PR tree-optimization/21031
5805         * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): New.
5806         (forward_propagate_into_cond_1): Call it.  Forward propagate
5807         integer-integer casts into COND_EXPRs.
5808
5809 2005-04-15  Dave Korn  <dave.korn@artimi.com>
5810
5811         * gcc.c (default_compilers): Clarify obscure error message when
5812         reading from standard input.
5813
5814 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
5815
5816         * basic-block.h (PROP_EQUAL_NOTES): Remove.
5817         * flow.c (propagate_one_insn): Don't use PROP_EQUAL_NOTES.
5818
5819         * tree-ssa-alias.c (init_alias_info): Remove a call to
5820         get_stmt_operands.
5821
5822 2005-04-15  Andrew MacLeod  <amacleod@redhat.com>
5823
5824         * tree-vect-analyze.c (vect_stmt_relevant_p): Process immediate uses
5825         of non-virtual PHI nodes like we use to.
5826
5827 2005-05-15  Paolo Bonzini  <bonzini@gnu.org>
5828
5829         * genattrtab.c (ATTR_EQ_ATTR_P): Remove.
5830         (attr_copy_rtx): Do not use it.
5831
5832 2005-04-15  Andrew Macleod  <amacleod@redhat.com>
5833
5834         * doc/tree-ssa.texi: Grammer/abbreviation updates.
5835
5836 2005-04-15  Diego Novillo  <dnovillo@redhat.com>
5837
5838         * tree-vect-transform.c (vectorizable_store): Mark necessary
5839         objects in the vectorized store needing renaming.  Update the
5840         SSA graph for V_MAY_DEF operands in the original store.
5841
5842 2005-04-14  Daniel Berlin <dberlin@dberlin.org>
5843
5844         * tree-ssa-pre.c (compute_avail): It's okay to have
5845         TREE_INVARIANT's here, and value number the resulting expressions.
5846         (create_expression_by_pieces): Make sure operands that were
5847         min_invariant when we started, stay that way.
5848
5849 2005-04-15  David Edelsohn  <edelsohn@gnu.org>
5850
5851         * doc/install.texi (*-ibm-aix*): Add comment about system limits.
5852
5853 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
5854
5855         PR tree-optimization/20936.
5856         * tree-ssa-ccp.c (visit_assignment): Fix a typo.
5857
5858 2005-04-15  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5859
5860         * doc/invoke.texi: Fix typos.
5861         * doc/md.texi: Likewise.
5862         * doc/rtl.texi: Likewise.
5863         * doc/sourcebuild.texi: Likewise.
5864         * doc/tm.texi: Likewise.
5865
5866 2005-04-15  Uros Bizjak  <uros@kss-loka.si>
5867
5868         PR tree-optimization/21004
5869         * convert.c (convert_to_integer): Convert ceilf, ceill, floorf
5870         and floorl in c99 mode only.
5871         * builtins.c (expand_builtin_int_roundingfn): Assert that
5872         fallback_fndecl is not NULL_TREE.
5873
5874 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
5875
5876         * cfgrtl.c (purge_all_dead_edge): Remove an unused argument.
5877         * basic-block.h: Update the prototype for
5878         purge_all_dead_edges.
5879         * cfgexpand.c (tree_expand_cfg): Update a call to
5880         purge_all_dead_edges.
5881         * combine.c (combine_instructions): Likewise.
5882         * passes.c (rest_of_handle_old_regalloc, rest_of_handle_cse,
5883         rest_of_handle_cse2, rest_of_handle_gcse,
5884         rest_of_handle_postreload): likewise.
5885
5886 2005-04-15  Alexandre Oliva  <aoliva@redhat.com>
5887
5888         PR middle-end/20739
5889         * gimplify.c (gimplify_addr_expr): Compensate for removal of
5890         e.g. cv-qualification conversions.
5891
5892 2005-04-14  Mike Stump  <mrs@apple.com>
5893
5894         * config/darwin-c.c (framework_construct_pathname): We must
5895         find all headers of a framework in the first instance of it
5896         found in the seach path.
5897
5898 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
5899
5900         PR tree-optimization/21021
5901         * tree-vrp.c (compare_values): Work around a bug in the front
5902         end that produces a comparison of mismatched types.
5903
5904 2004-04-14  Richard Henderson  <rth@redhat.com>
5905
5906         * config/ia64/ia64.h (enum fetchop_code): Remove.
5907         (enum ia64_builtins): Move ...
5908         * config/ia64/ia64.c (enum ia64_builtins): ... here.  Remove all
5909         members except BSP and FLUSHRS.
5910         (ia64_init_builtins): Remove __sync builtins.
5911         (ia64_expand_builtin): Likewise.
5912         (ia64_expand_fetch_and_op, ia64_expand_op_and_fetch): Remove.
5913         (ia64_expand_compare_and_swap, ia64_expand_lock_test_and_set): Remove.
5914         (ia64_expand_lock_release): Remove.
5915         * config/ia64/ia64.md (mf): Move to sync.md.
5916         (mf_internal, fetchadd_acq_si, fetchadd_acq_di, cmpxchg_acq_si,
5917         cmpxchg_acq_di, xchgsi, xchgdi): Likewise.
5918         * config/ia64/sync.md: New file.
5919         (memory_barrier): Rename from mf.
5920         (fetchadd_acq_<I48MODE>): Macroize from _si/_di patterns.
5921         (cmpxchg_acq_<I48MODE>): Likewise.
5922         (sync_lock_test_and_set<I48MODE>): Likewise.
5923
5924         * config/ia64/ia64intrin.h: Define nothing for C; limit #defines
5925         to c++.  Remove __sync* declarations.  s/_si/_4/.  s/_di/_8/.
5926
5927 2004-04-14  Richard Henderson  <rth@redhat.com>
5928
5929         * config/i386/i386.c (x86_cmpxchg, x86_xadd): New.
5930         (ix86_compare_emitted): New.
5931         (ix86_expand_compare): Use ix86_compare_emitted if set.
5932         (ix86_expand_setcc): Only emit REG_EQUAL if both ix86_compare_op0
5933         and ix86_compare_op0 are set.
5934         * config/i386/i386.h (x86_cmpxchg, x86_xadd): Declare.
5935         (TARGET_CMPXCHG, TARGET_XADD): New.
5936         (ix86_compare_emitted): Declare.
5937         * config/i386/i386.md: Include sync.md
5938         (UNSPECV_CMPXCHG_1, UNSPECV_CMPXCHG_2): New.
5939         (UNSPECV_XCHG, UNSPECV_LOCK): New.
5940         * config/i386/sync.md: New file.
5941
5942 2004-04-14  Richard Henderson  <rth@redhat.com>
5943
5944         PR middle-end/14311
5945         * builtin-types.def (BT_BOOL, BT_VOLATILE_PTR, BT_I1, BT_I2,
5946         BT_I4, BT_I8, BT_FN_VOID_VPTR, BT_FN_I1_VPTR_I1, BT_FN_I2_VPTR_I2,
5947         BT_FN_I4_VPTR_I4, BT_FN_I8_VPTR_I8, BT_FN_BOOL_VPTR_I1_I1,
5948         BT_FN_BOOL_VPTR_I2_I2, BT_FN_BOOL_VPTR_I4_I4, BT_FN_BOOL_VPTR_I8_I8,
5949         BT_FN_I1_VPTR_I1_I1, BT_FN_I2_VPTR_I2_I2, BT_FN_I4_VPTR_I4_I4,
5950         BT_FN_I8_VPTR_I8_I8): New.
5951         * builtins.def (DEF_SYNC_BUILTIN): New.
5952         (BUILT_IN_FETCH_AND_ADD_N, BUILT_IN_FETCH_AND_ADD_1,
5953         BUILT_IN_FETCH_AND_ADD_2, BUILT_IN_FETCH_AND_ADD_4,
5954         BUILT_IN_FETCH_AND_ADD_8, BUILT_IN_FETCH_AND_SUB_N,
5955         BUILT_IN_FETCH_AND_SUB_1, BUILT_IN_FETCH_AND_SUB_2,
5956         BUILT_IN_FETCH_AND_SUB_4, BUILT_IN_FETCH_AND_SUB_8,
5957         BUILT_IN_FETCH_AND_OR_N, BUILT_IN_FETCH_AND_OR_1,
5958         BUILT_IN_FETCH_AND_OR_2, BUILT_IN_FETCH_AND_OR_4,
5959         BUILT_IN_FETCH_AND_OR_8, BUILT_IN_FETCH_AND_AND_N,
5960         BUILT_IN_FETCH_AND_AND_1, BUILT_IN_FETCH_AND_AND_2,
5961         BUILT_IN_FETCH_AND_AND_4, BUILT_IN_FETCH_AND_AND_8,
5962         BUILT_IN_FETCH_AND_XOR_N, BUILT_IN_FETCH_AND_XOR_1,
5963         BUILT_IN_FETCH_AND_XOR_2, BUILT_IN_FETCH_AND_XOR_4,
5964         BUILT_IN_FETCH_AND_XOR_8, BUILT_IN_FETCH_AND_NAND_N,
5965         BUILT_IN_FETCH_AND_NAND_1, BUILT_IN_FETCH_AND_NAND_2,
5966         BUILT_IN_FETCH_AND_NAND_4, BUILT_IN_FETCH_AND_NAND_8,
5967         BUILT_IN_ADD_AND_FETCH_N, BUILT_IN_ADD_AND_FETCH_1,
5968         BUILT_IN_ADD_AND_FETCH_2, BUILT_IN_ADD_AND_FETCH_4,
5969         BUILT_IN_ADD_AND_FETCH_8, BUILT_IN_SUB_AND_FETCH_N,
5970         BUILT_IN_SUB_AND_FETCH_1, BUILT_IN_SUB_AND_FETCH_2,
5971         BUILT_IN_SUB_AND_FETCH_4, BUILT_IN_SUB_AND_FETCH_8,
5972         BUILT_IN_OR_AND_FETCH_N, BUILT_IN_OR_AND_FETCH_1,
5973         BUILT_IN_OR_AND_FETCH_2, BUILT_IN_OR_AND_FETCH_4,
5974         BUILT_IN_OR_AND_FETCH_8, BUILT_IN_AND_AND_FETCH_N,
5975         BUILT_IN_AND_AND_FETCH_1, BUILT_IN_AND_AND_FETCH_2,
5976         BUILT_IN_AND_AND_FETCH_4, BUILT_IN_AND_AND_FETCH_8,
5977         BUILT_IN_XOR_AND_FETCH_N, BUILT_IN_XOR_AND_FETCH_1,
5978         BUILT_IN_XOR_AND_FETCH_2, BUILT_IN_XOR_AND_FETCH_4,
5979         BUILT_IN_XOR_AND_FETCH_8, BUILT_IN_NAND_AND_FETCH_N,
5980         BUILT_IN_NAND_AND_FETCH_1, BUILT_IN_NAND_AND_FETCH_2,
5981         BUILT_IN_NAND_AND_FETCH_4, BUILT_IN_NAND_AND_FETCH_8,
5982         BUILT_IN_BOOL_COMPARE_AND_SWAP_N, BUILT_IN_BOOL_COMPARE_AND_SWAP_1,
5983         BUILT_IN_BOOL_COMPARE_AND_SWAP_2, BUILT_IN_BOOL_COMPARE_AND_SWAP_4,
5984         BUILT_IN_BOOL_COMPARE_AND_SWAP_8, BUILT_IN_VAL_COMPARE_AND_SWAP_N,
5985         BUILT_IN_VAL_COMPARE_AND_SWAP_1, BUILT_IN_VAL_COMPARE_AND_SWAP_2,
5986         BUILT_IN_VAL_COMPARE_AND_SWAP_4, BUILT_IN_VAL_COMPARE_AND_SWAP_8,
5987         BUILT_IN_LOCK_TEST_AND_SET_N, BUILT_IN_LOCK_TEST_AND_SET_1,
5988         BUILT_IN_LOCK_TEST_AND_SET_2, BUILT_IN_LOCK_TEST_AND_SET_4,
5989         BUILT_IN_LOCK_TEST_AND_SET_8, BUILT_IN_LOCK_RELEASE_N,
5990         BUILT_IN_LOCK_RELEASE_1, BUILT_IN_LOCK_RELEASE_2,
5991         BUILT_IN_LOCK_RELEASE_4, BUILT_IN_LOCK_RELEASE_8,
5992         BUILT_IN_SYNCHRONIZE: New.
5993         * builtins.c (called_as_built_in): Rewrite from CALLED_AS_BUILT_IN
5994         as a function.  Accept __sync_ as a prefix as well.
5995         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
5996         expand_builtin_lock_test_and_set, expand_builtin_synchronize,
5997         expand_builtin_lock_release): New.
5998         (expand_builtin): Call them.
5999         * c-common.c (DEF_BUILTIN): Don't require __builtin_ prefix if
6000         neither BOTH_P nor FALLBACK_P are defined.
6001         (builtin_type_for_size): New.
6002         (sync_resolve_size, sync_resolve_params, sync_resolve_return): New.
6003         (resolve_overloaded_builtin): New.
6004         * c-common.h (resolve_overloaded_builtin): Declare.
6005         (builtin_type_for_size): Declare.
6006         * c-typeck.c (build_function_call): Invoke resolve_overloaded_builtin.
6007         * expr.c (sync_add_optab, sync_sub_optab, sync_ior_optab,
6008         sync_and_optab, sync_xor_optab, sync_nand_optab, sync_old_add_optab,
6009         sync_old_sub_optab, sync_old_ior_optab, sync_old_and_optab,
6010         sync_old_xor_optab, sync_old_nand_optab, sync_new_add_optab,
6011         sync_new_sub_optab, sync_new_ior_optab, sync_new_and_optab,
6012         sync_new_xor_optab, sync_new_nand_optab, sync_compare_and_swap,
6013         sync_compare_and_swap_cc, sync_lock_test_and_set,
6014         sync_lock_release): New.
6015         * optabs.h: Declare them.
6016         * expr.h (expand_val_compare_and_swap, expand_bool_compare_and_swap,
6017         expand_sync_operation, expand_sync_fetch_operation,
6018         expand_sync_lock_test_and_set): Declare.
6019         * genopinit.c (optabs): Add sync optabs.
6020         * optabs.c (init_optabs): Initialize sync optabs.
6021         (expand_val_compare_and_swap_1, expand_val_compare_and_swap,
6022         expand_bool_compare_and_swap, expand_compare_and_swap_loop,
6023         expand_sync_operation, expand_sync_fetch_operation,
6024         expand_sync_lock_test_and_set): New.
6025         * doc/extend.texi (Atomic Builtins): New section
6026         * doc/md.texi (Standard Names): Add sync patterns.
6027
6028 2005-04-14  Alexandre Oliva  <aoliva@redhat.com>
6029
6030         * tree-eh.c (lower_try_finally_copy): Generate new code in
6031         response to goto_queue entries as if the queue was sorted by
6032         index, not pointers.
6033         (lower_try_finally_switch): Likewise.
6034
6035 2005-04-14  Richard Henderson  <rth@redhat.com>
6036
6037         * config/i386/i386.c (ix86_expand_sse_cmp): Split out from ...
6038         (ix86_expand_sse_movcc): ... here.  Take cmp as a pre-computed
6039         register.
6040         (ix86_expand_fp_movcc): Update to match.
6041         (ix86_expand_fp_vcond, ix86_expand_int_vcond): New.
6042         * config/i386/i386-protos.h: Update.
6043         * config/i386/sse.md (vcondv4sf, vcondv2df): New.
6044         (vcond<SSEMODE124>, vcondu<SSEMODE12>): New.
6045
6046 2005-04-14  Joseph S. Myers  <joseph@codesourcery.com>
6047
6048         * doc/cpp.texi, doc/install.texi: Change references to GCC 3.5 to
6049         refer to 4.0.
6050
6051 2005-04-14  Julian Brown  <julian@codesourcery.com>
6052
6053         * Revert elfos.h part of my patch from 2005-04-13 for causing libstdc++
6054         link failures on ppc64 Linux.
6055
6056 2005-04-14  Andreas Krebbel  <krebbel1@de.ibm.com>
6057
6058         * config.gcc: Set cpu_type for s390.
6059
6060 2005-04-14  Daniel Berlin  <dberlin@dberlin.org>
6061
6062         Fix PR tree-optimization/20963
6063         * tree-ssa-pre.c (compute_avail): Remove special case for
6064         TREE_INVARIANT.
6065         (create_expression_by_pieces): Add value numbers for forced out
6066         statements.
6067
6068 2005-04-14  Hans-Peter Nilsson  <hp@axis.com>
6069
6070         * config/cris/cris.md: Replace references to (reg:SI 16) with
6071         (reg:SI CRIS_SRP_REGNUM).
6072
6073 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
6074
6075         PR tree-optimization/20657
6076         * tree-vrp.c (extract_range_from_expr): Notice INTEGER_CST to
6077         create an appropriate range from it.
6078
6079 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
6080
6081         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST_FLOOR> and
6082         <UNSPEC_FIST_CEIL> case.
6083
6084         * config/i386/i386.md (UNSPEC_FIST_FLOOR, UNSPEC_FIST_CEIL): New.
6085         (*fist<mode>2_floor_1, fistdi2_floor, fistdi2_floor_with_temp)
6086         (fist<mode>2_floor, fist<mode>2_floor_with_temp): New isns patterns
6087         to implement lfloor and llfloor built-ins as x87 intrinsic function.
6088         (fistdi2_floor, fist<mode>2_floor splitters): New splitters.
6089         (lfloor<mode>2): New expanders.
6090         (*fist<mode>2_ceil_1, fistdi2_ceil, fistdi2_ceil_with_temp)
6091         (fist<mode>2_ceil, fist<mode>2_ceil_with_temp): New isns patterns
6092         to implement lceil and llceil built-ins as x87 intrinsic function.
6093         (fistdi2_ceil, fist<mode>2_ceil splitters): New splitters.
6094         (lceil<mode>2): New expanders.
6095
6096 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
6097
6098         * convert.c (convert_to_integer): Convert (long int)trunc{,f,l},
6099         and (long long int)ceil{,f,l} into FIX_TRUNC_EXPR.
6100
6101 2005-04-14  Ulrich Weigand  <uweigand@de.ibm.com>
6102
6103         PR target/20927
6104         * config/s390/s390-modes.def: Define TFmode.
6105
6106 2005-04-13  Richard Sandiford  <rsandifo@redhat.com>
6107
6108         * config/mips/mips.h (ASM_OUTPUT_CASE_LABEL): Delete.
6109         (JUMP_TABLES_IN_TEXT_SECTION): Define.
6110         * config/mips/mips.c (mips16_insn_length): Remove reference to
6111         JUMP_TABLES_IN_TEXT_SECTION.
6112
6113 2005-04-13 Fariborz Jahanian <fjahanian@apple.com>
6114
6115         * simplify-rtx.c (simplify_binary_operation_1): Return
6116         scalar or vector of constant 0, depending on the xor's
6117         mode.
6118
6119 2005-04-13  Dale Johannesen  <dalej@apple.com>
6120
6121         * objc/Make-lang.in (objc-lang.o):  Depend on tree-gimple.h.
6122         (objc-act.o):  Ditto.
6123         * objc/objc-act.c (objc_gimplify_expr):  New.
6124         (objc_get_callee_fndecl):  New.
6125         * objc/objc-act.h:  Include tree-gimple.h.  Declare new functions.
6126         * objc/objc-lang.c (LANG_HOOKS_GIMPLIFY_EXPR):  Define.
6127         (LANG_HOOKS_GET_CALLEE_FNDECL):  Define.
6128
6129 2005-04-13  Devang Patel  <dpatel@apple.com>
6130
6131         * tree-if-conv.c (tree_if_convert_cond_expr): Do not create extra
6132         temp variables.
6133
6134 2005-04-13  Hans-Peter Nilsson  <hp@axis.com>
6135
6136         CRIS prologue as RTL.
6137         * config/cris/cris-protos.h (cris_emit_movem_store)
6138         (cris_expand_prologue): Prototype.
6139         * config/cris/cris.c (struct machine_function): New member
6140         stdarg_regs.
6141         (cfa_label_num, cris_target_asm_function_prologue): Remove.
6142         (TARGET_ASM_FUNCTION_PROLOGUE): Don't override.
6143         (cris_general_operand_or_gotless_symbol): Accept CRIS_UNSPEC_GOT.
6144         (cris_load_multiple_op, cris_return_address_on_stack)
6145         (cris_return_address_on_stack_for_return): ISO-Cify.
6146         (cris_store_multiple_op): New predicate function.
6147         (cris_expand_prologue, cris_emit_movem_store): New functions.
6148         (cris_print_operand) <case 'O'>: Handle modifications other than
6149         post-increment.
6150         (cris_symbol, cris_got_symbol): Return 0 for CRIS_UNSPEC_GOT.
6151         (cris_gotless_symbol): Return 1 for CRIS_UNSPEC_GOT.
6152         (cris_gen_movem_load): Rearrange slightly to make local variable
6153         src a parameter, removing osrc.
6154         (cris_setup_incoming_varargs): Set machine_function member
6155         stdarg_regs to correspond to the number of registers that need to
6156         be saved.
6157         * config/cris/cris.h (EXTRA_CONSTRAINT_S): Accept
6158         CRIS_UNSPEC_GOT.
6159         (PREDICATE_CODES): Add cris_store_multiple_op.  Make
6160         cris_general_operand_or_gotless_symbol accept UNSPEC.
6161         * config/cris/cris.md (CRIS_UNSPEC_GOT): New constant.
6162         ("*movsi_internal") <alternative 8>: Handle CRIS_UNSPEC_GOT.
6163         ("*cris_store_multiple"): New pattern.  Tweak common comment above
6164         this and "*cris_load_multiple".
6165         ("prologue"): New define_expand.
6166
6167         * config/cris/cris.md ("epilogue"): Conditionalize on
6168         TARGET_PROLOGUE_EPILOGUE.
6169
6170 2005-04-13  Steve Ellcey  <sje@cup.hp.com>
6171
6172         PR target/20924
6173         * config/ia64/ia64.md (divsf3_internal_lat): Generate frcpa with
6174         fpsr 0 instead of fpsr 1.
6175         (divsf3_internal_thr): Ditto.
6176         (divdf3_internal_lat): Ditto.
6177         (divdf3_internal_thr): Ditto.
6178         (divxf3_internal_lat): Ditto.
6179         (divxf3_internal_thr): Ditto.
6180
6181 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
6182
6183         PR tree-optimization/20913
6184         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Fold COND_EXPR.
6185
6186         PR tree-optimization/20702
6187         * tree-vrp.c (maybe_add_assert_expr): Recurse into
6188         dominator children that haven't been walked into.
6189
6190 2005-04-13  Julian Brown  <julian@codesourcery.com>
6191
6192         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK from
6193         being used for symbols with vague linkage when HAVE_GAS_COMDAT_GROUP
6194         is true.
6195
6196 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
6197
6198         * basic-block.h, tree-ssa-uncprop.c, varasm.c,
6199         config/i386/sse.md: Fix comment typos.
6200
6201         * genattrtab.c (NULL_ATTR): Remove.
6202         * ifcvt.c (NULL_EDGE): Likewise.
6203
6204         * rtl.h (RTX_EXPR_FIRST, RTX_EXPR_LAST): Remove.
6205
6206         * rtl.h (NOTE_PREDICTION_ALG, NOTE_PREDICTION_FLAGS,
6207         NOTE_PREDICT): Remove.
6208
6209 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
6210
6211         * configure.ac (gcc_AC_CHECK_DECLS): Add vsnprintf.
6212         * configure: Regenerate.
6213         * config.in: Likewise.
6214         * system.h: Declare vsnprintf if not already declared.
6215
6216 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
6217
6218         * optc-gen.awk: Handle stand-alone Mask records.
6219         * opth-gen.awk: Likewise.
6220         * doc/options.texi (Option file format): Document them.
6221         * config.gcc (sparc-*-netbsdelf*, sparc-*-linux*, sparc64-*-freebsd*,
6222         sparc64-*-linux*, sparc64-*-netbsd*): Add long-double-switch.opt.
6223         (sparc64-*-openbsd*, sparc64-*-elf*): Add little-endian.opt.
6224         * config/sparc/sparc.h (MASK_FPU, MASK_UNALIGNED_DOUBLES,
6225         MASK_V8, MASK_SPARCLITE, MASK_SPARCLET, MASK_V9,
6226         MASK_DEPRECATED_V8_INSNS, MASK_IMPURE_TEXT, MASK_APP_REGS,
6227         MASK_HARD_QUAD, MASK_LITTLE_ENDIAN, MASK_PTR64, MASK_64BIT,
6228         MASK_STACK_BIAS, MASK_FPU_SET, MASK_VIS, MASK_V8PLUS,
6229         MASK_FASTER_STRUCTS, MASK_LONG_DOUBLE_128): Delete.
6230         (TARGET_FPU, TARGET_UNALIGNED_DOUBLES, TARGET_V8, TARGET_SPARCLITE,
6231         TARGET_SPARCLET, TARGET_V9, TARGET_DEPRECATED_V8_INSNS,
6232         TARGET_IMPURE_TEXT, TARGET_APP_REGS, MASK_HARD_QUAD,
6233         TARGET_LITTLE_ENDIAN, TARGET_PTR64, TARGET_64BIT, MASK_STACK_BIAS,
6234         TARGET_FPU_SET, TARGET_VIS, TARGET_V8PLUS, TARGET_FASTER_STRUCTS,
6235         TARGET_LONG_DOUBLE_128): Likewise.
6236         (TARGET_SWITCHES, SUBTARGET_SWITCHES): Likewise.
6237         (TARGET_OPTIONS, SUBTARGET_OPTIONS): Likewise.
6238         * config/sparc/freebsd.h (SUBTARGET_SWITCHES): Likewise.
6239         * config/sparc/linux.h (SUBTARGET_SWITCHES): Likewise.
6240         * config/sparc/linux64.h (SUBTARGET_SWITCHES): Likewise.
6241         * config/sparc/netbsd-elf.h (SUBTARGET_SWITCHES): Likewise.
6242         * config/sparc/sp64-elf.h (SUBTARGET_SWITCHES): Likewise.
6243         * config/sparc/sparc.c (fpu_option_set): New global.
6244         (sparc_handle_option): New function.
6245         (sparc_override_options): Test fpu_option_set.
6246         (TARGET_DEFAULT_TARGET_FLAGS): Set to TARGET_DEFAULT.
6247         (TARGET_HANDLE_OPTION): Set to sparc_handle_option.
6248         * config/sparc/sparc.opt: New file.
6249         * config/sparc/little-endian.opt: Likewise.
6250         * config/sparc/long-double-switch.opt: Likewise.
6251
6252 2005-04-13  Bernd Schmidt  <bernd.schmidt@analog.com>
6253
6254         * config/bfin/bfin.c (bfin_lib_id_given): New static variable.
6255         (bfin_handle_options): Set it if -mshared-library-id= is seen.
6256         * config/bfin/bfin.opt (mshared-library-id=): Lose
6257         Var(bfin_lib_id_given).
6258
6259 2005-04-13  Matt Thomas  <matt@3am-software.com>
6260
6261         * config/rs6000/sysv4.h (NO_IMPLICIT_EXTERN_C): undefine before
6262         defining.
6263
6264 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
6265
6266         * rtl.h (CLEAR_RTX_FLAGS): Remove.
6267
6268         * cgraphunit.c (INSNS_PER_CALL): Remove.
6269
6270         * tree-ssa-forwprop.c (vars,
6271         record_single_argument_cond_exprs,
6272         substitute_single_use_vars): Remove.
6273         (forward_propagate_into_cond_1, forward_propagate_into_cond):
6274         New.
6275         (tree_ssa_forward_propagate_single_use_vars): Call
6276         forward_propagate_into_cond for each COND_EXPR.
6277
6278         * tree-inline.c (INSNS_PER_STMT): Remove.
6279
6280 2005-04-12  Richard Henderson  <rth@redhat.com>
6281
6282         * config/i386/i386.c (ix86_prepare_sse_fp_compare_args): Split ...
6283         (ix86_expand_sse_fp_minmax): ... from ...
6284         (ix86_expand_fp_movcc): ... here.
6285         (ix86_expand_sse_movcc): Rewrite from ix86_split_sse_movcc.
6286         * config/i386/i386-protos.h: Update.
6287         * config/i386/i386.md (UNSPEC_IEEE_MIN, UNSPEC_IEEE_MAX): New.
6288         (sse_setccsf, sse_setccdf): Allow before reload.
6289         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): Remove.
6290         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): Remove.
6291         (ieee_sminsf3, ieee_smaxsf3, ieee_smindf3, ieee_smaxdf3): New.
6292         * config/i386/sse.md (andsf3, nandsf3, iorsf3, xorsf3): New.
6293         (anddf3, nanddf3, iordf3, xordf3): New.
6294
6295 2005-04-12  Jeff Law  <law@redhat.com>
6296
6297         * Makefile.in (OBJS-common): Add tree-ssa-uncprop.o.
6298         (tree-ssa-uncprop.o): Add dependencies.
6299         * tree-cfg.c (remove_useless_stmts_bb, remove_useless_stmts): Remove.
6300         * tree-flow.h (remove_useless_stmts): Remove prototype.
6301         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
6302         remove_useless_stmts.
6303         * timevar.def (TV_TREE_SSA_UNCPROP): New timevar.
6304         * tree-optimize.c (init_tree_optimization_passes): Add uncprop pass.
6305         * tree-pass.h (pass_uncprop): Declare.
6306         * tree-ssa-uncprop.c: New file.
6307
6308 2005-04-12  James E. Wilson  <wilson@specifixinc.com>
6309
6310         PR target/20670
6311         * unwind-ia64.c (uw_intall_context): Add missing load of r27.
6312
6313 2005-04-12  Caroline Tice  <ctice@apple.com>
6314
6315         Temporary fix for partitioning problems.
6316         * passes.c (rest_of_handle_final): Remove code that
6317         frees unlikely_text_section_name,
6318         * varasm.c (assemble_start_function): Test for partitioning
6319         flag before writing out section labels.
6320         (assemble_end_function): Test for partitioning flag before
6321         writing out section labels.
6322
6323 2005-04-12  Steven Bosscher  <stevenb@suse.de>
6324             Stuart Hastings <stuart@apple.com>
6325             Jan Hubicka  <jh@suse.cz>
6326
6327         * Makefile.in: Add function.h to BASIC_BLOCK_H.  Remove all
6328         references to gt-tree-cfg.h.
6329         * basic-block.h (struct basic_block_def): Don't skip rbi
6330         for garbage collection.
6331         (struct reorder_block_def): Make GTY-able.
6332         (struct control_flow_graph): New structure.
6333         (n_edges, n_basic_blocks, last_basic_block, basic_block_info,
6334         BASIC_BLOCK, EXIT_BLOCK_PTR, ENTRY_BLOCK_PTR): No longer vars,
6335         but instead defines to the control_flow_graph for cfun.
6336         (label_to_block_map): New define, points to the label map of
6337         the control_flow_graph for cfun.
6338         (n_edges_for_function, n_basic_blocks_for_function,
6339         last_basic_block_for_function, basic_block_info_for_function,
6340         EXIT_BLOCK_PTR_FOR_FUNCTION, ENTRY_BLOCK_PTR_FOR_FUNCTION,
6341         basic_block_info_for_function, label_to_block_map_for_function):
6342         Counterparts for the above, taking a struct function as an extra
6343         argument.
6344         (alloc_rbi_pool, free_rbi_pool): Remove prototypes.
6345         * cfg.c: (n_edges, n_basic_blocks, last_basic_block,
6346         basic_block_info, ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): Remove.
6347         (alloc_rbi_pool, free_rbi_pool): Remove.
6348         (initialize_bb_rbi): Use ggc_alloc_cleared instead of pool_alloc.
6349         * cfglayout.c: (cfg_layout_initialize): Don't allocate the rbi pool
6350         here...
6351         (cfg_layout_finalize) ... and don't free it here.
6352         * cfgrtl.c (cfg_layout_delete_block): Zero out rbi so it gets
6353         garbage collected.
6354         * flow.c (free_basic_block_vars): Set label_to_block_map and
6355         n_edges to zero too.
6356         * function.h (struct function): Add cfg field.
6357         * function.c (allocate_struct_function): Allocate the cfg.
6358         * tree-cfg.c (label_to_block_map): Remove.
6359         (build_tree_cfg): Don't allocate the rbi pool here...
6360         (delete_tree_cfg_annotations): ...and don't free it here.
6361         Also don't nullify label_to_block_map for cfun.
6362
6363 2005-04-12  Caroline Tice  <ctice@apple.com>
6364
6365         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
6366         Revert my patch from April 9.
6367         (fix_edges_for_rarely_executed_code): Revert my patch from April 9.
6368         (reorder_basic_blocks): Revert my patch from April 9.
6369         (insert_section_boundary_note): Revert my patch from April 9.
6370         * dbxout.c (dbxout_function_end): Revert my patch from April 9.
6371         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): Revert my patch from April 9.
6372         (COLD_END_LABEL):  Revert my patch from April 9.
6373         (cold_text_section_label):  Revert my patch from April 9.
6374         (cold_end_label): Revert my patch from April 9.
6375         (dwarf2out_switch_text_section): Revert my patch from April 9.
6376         (output_aranges): Revert my patch from April 9.
6377         (output_ranges):  Revert my patch from April 9.
6378         (output_line_info): Revert my patch from April 9.
6379         (add_location_or_const_value_attribute):  Revert my patch from April 9.
6380         (dwarf2out_var_location): Revert my patch from April 9.
6381         (dwarf2out_init):  Revert my patch from April 9.
6382         (dwarf2out_finish): Revert my patch from April 9.
6383         * function.h (struct function): Revert my patch from April 9.
6384         * opts.c (decode_options): Revert my patch from April 9.
6385         * output.h (unlikely_section_label, hot_section_label,
6386         hot_section_end_label, cold_section_end_label,
6387         unlikely_text_section_name): Revert my patch from April 9.
6388         * passes.c (rest_of_handle_final): Revert my patch from April 9.
6389         * varasm.c (unlikely_section_label, hot_section_label,
6390         hot_section_end_label, cold_section_end_label,
6391         unlikely_text_section_name): Revert my patch from April 9.
6392         (initialize_cold_section_name): Revert my patch from April 9.
6393         (unlikely_text_section): Revert my patch from April 9.
6394         (in_unlikely_text_section): Revert my patch from April 9.
6395         (named_section): Revert my patch from April 9.
6396         (function_section): Revert my patch from April 9.
6397         (current_function_section): Revert my patch from April 9.
6398         (assemble_start_function): Revert my patch from April 9.
6399         (assemble_end_function): Revert my patch from April 9.
6400         (default_section_type_flags_1): Revert my patch from April 9.
6401
6402 2005-04-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
6403
6404         * config/sparc/sparc.h (APPLY_RESULT_SIZE): Set to 24 in 64-bit mode.
6405         * config/sparc/sparc.md (untyped_call): Save the registers manually.
6406
6407         * config/sparc/sparc.c (legitimate_address_p): Use TARGET_ARCH32.
6408
6409 2005-04-12  Ulrich Weigand  <uweigand@de.ibm.com>
6410
6411         PR middle-end/20917
6412         * config/s390/s390.md ("*set_tp"): Use SET in pattern.
6413         ("set_tp_64", "set_tp_31"): Adapt expanded pattern.
6414
6415 2004-04-12  Richard Henderson  <rth@redhat.com>
6416
6417         * config/i386/i386.md (UNSPEC_FIX, UNSPEC_MOVA, UNSPEC_SHUFFLE,
6418         UNSPEC_PSHUFLW, UNSPEC_PSHUFHW, UNSPEC_ADDSUB, UNSPEC_HADD,
6419         UNSPEC_HSUB, UNSPEC_MOVSHDUP, UNSPEC_MOVSLDUP, UNSPEC_MOVDDUP): Remove.
6420         (UNSPEC_*, UNSPECV_*): Renumber.
6421
6422 2005-04-12  Frank Ch. Eigler  <fche@redhat.com>
6423
6424         PR mudflap/19266
6425         From Richard Henderson <rth@redhat.com>:
6426         * tree-mudflap.c (mf_build_check_statement_for): Correct block
6427         splitting logic.
6428
6429 2005-04-12  Dorit Naishlos  <dorit@il.ibm.com>
6430
6431         * tree-cfg.c (tree_verify_flow_info): Use LABEL_EXPR_LABEL.
6432
6433 2005-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
6434
6435         * config/bfin/bfin.c (bfin_library_id_string): Remove.
6436         (bfin_library_id): New variable.
6437         (bfin_expand_prologue): Use bfin_library_id and bfin_lib_id_given
6438         instead of bfin_library_id_string.
6439         (bfin_handle_option): New function.
6440         (override_options): Remove most code to deal with shared library IDs,
6441         just check they aren't used without -mid-shared-library.
6442         (TARGET_HANDLE_OPTION): Define.
6443         * config/bfin/bfin.h (TARGET_OPTIONS): Delete macro.
6444         * config/bfin/bfin.opt (mshared-library-id=): New.
6445
6446 2005-04-12  Kazu Hirata  <kazu@cs.umass.edu>
6447
6448         * tree-vect-transform.c: Fix comment typos.
6449
6450 2005-04-12 Mostafa Hagog <mustafa@il.ibm.com>
6451
6452         * postreload-gcse.c (eliminate_partially_redundant_load): Don't
6453         split critical edges when not possible/profitable.
6454
6455 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
6456
6457         * config/ns32k/ns32k.h (target_flags, MASK_32081, MASK_RTD)
6458         (MASK_REGPARM, MASK_32532, MASK_32332, MASK_NO_SB, MASK_NO_BITFIELD)
6459         (MASK_HIMEM, MASK_32381, MASK_MULT_ADD, MASK_SRC, MASK_IEEE_COMPARE)
6460         (TARGET_32081, TARGET_32381, TARGET_MULT_ADD, TARGET_RTD)
6461         (TARGET_REGPARM, TARGET_32532, TARGET_32332, TARGET_SB, TARGET_HIMEM)
6462         (TARGET_BITFIELD, TARGET_IEEE_COMPARE, TARGET_SWITCHES): Delete.
6463         (OVERRIDE_OPTIONS): Clear MASK_SB instead of setting MASK_NO_SB.
6464         * config/ns32k/netbsd.h (TARGET_DEFAULT): Remove MASK_NO_SB and
6465         MASK_NO_BITFIELD.
6466         * config/ns32k/ns32k.c (ns32k_handle_option): New function.
6467         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
6468         * config/ns32k/ns32k.opt: New file.
6469
6470 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
6471
6472         * config.gcc (m68k-*-linux*): Add m68k/ieee.opt to $extra_options.
6473         * config/m68k/m68k.h (target_flags, MASK_68020, TARGET_68020)
6474         (MASK_68030, TARGET_68030, MASK_68040, TARGET_68040, MASK_68040_ONLY)
6475         (TARGET_68040_ONLY, MASK_68060, TARGET_68060, MASK_5200, TARGET_5200)
6476         (MASK_CFV3, TARGET_CFV3, MASK_CFV4, TARGET_CFV4, MASK_528x)
6477         (TARGET_528x, MASK_CF_HWDIV, TARGET_CF_HWDIV, MASK_68881, TARGET_68881)
6478         (MASK_BITFIELD, TARGET_BITFIELD, MASK_SHORT, TARGET_SHORT)
6479         (MASK_ALIGN_INT, TARGET_ALIGN_INT, MASK_PCREL, TARGET_PCREL)
6480         (MASK_NO_STRICT_ALIGNMENT, TARGET_STRICT_ALIGNMENT, MASK_RTD)
6481         (TARGET_RTD, MASK_SEP_DATA, TARGET_SEP_DATA, MASK_ID_SHARED_LIBRARY)
6482         (TARGET_ID_SHARED_LIBRARY, MASK_ALL_CF_BITS, TARGET_SWITCHES)
6483         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS): Delete.
6484         (MASK_COLDFIRE): Formatting fixes.
6485         (TARGET_COLDFIRE): Turn into a boolean value for consistency.
6486         * config/m68k/linux.h (SUBTARGET_SWITCHES): Delete.
6487         * config/m68k/m68k.c (m68k_library_id_string): Initialize to
6488         "_current_shared_library_a5_offset_".
6489         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
6490         (MASK_ALL_CPU_BITS): New macro.
6491         (m68k_handle_option): New function.
6492         (override_options): Remove handling of m68k_library_id_string.
6493         * config/m68k/m68k.opt: New file.
6494         * config/m68k/ieee.opt: New file.
6495
6496 2005-04-11  Mark Mitchell  <mark@codesourcery.com>
6497
6498         * target-def.h (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
6499         (TARGET_CXX_DETERMINE_CLASS_VISIBILITY): New macro.
6500         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
6501         (TARGET_CXX): Adjust accordingly.
6502         * target.h (struct gcc_target): Remove epxort_class_data.  Add
6503         determine_class_data_visibility and class_data_always_comdat.
6504         * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
6505         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Document.
6506         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
6507         * config/arm/arm.c (arm_cxx_export_class_data): Remove.
6508         (arm_cxx_determine_class_data_visibility): New.
6509         (arm_cxx_class_data_always_comdat): Likewise.
6510         (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
6511         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
6512         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
6513         * config/arm/arm.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P): Define.
6514         * config/arm/symbian.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P):
6515         Define.
6516
6517 2005-04-11  Devang Patel  <dpatel@apple.com>
6518
6519         * tree-data-ref.c (build_classic_dist_vector,
6520         compute_subscript_distance): Make externally visible.
6521         * tree-data-ref.h (build_classic_dist_vector,
6522         compute_subscript_distance): Same.
6523         * tree-vect-analyze.c (vect_analyze_data_ref_dependence):
6524         Check distance vector against vectorization factor.
6525         (vect_analyze_loop): Determine vectorizaion factor before
6526         analyzing data dependences.
6527         * tree-vectorizer.c (loops_num): Make it externally visible and
6528         rename ...
6529         * tree-vectorizer.c (vect_loops_num): ... new name.
6530         * tree-vectorizer.h  (vect_loops_num): New.
6531
6532 2005-04-11  Devang Patel  <dpatel@apple.com>
6533
6534         * tree-vect-analyze.c (vect_analyze_operations): Check
6535         vectorizable codition.
6536         * tree-vect-transform.c (vect_is_simple_cond): New function.
6537         (vectorizable_condition): New function.
6538         (vect_transform_stmt): Handle condition_vec_info_type.
6539         * tree-vectorizer.h (enum stmt_vec_info_type): Add
6540         condition_vec_info_type.
6541         (vectorizable_condition): New.
6542
6543 2005-04-11  Geoffrey Keating  <geoffk@apple.com>
6544
6545         * config/i386/i386.h (TARGET_FPMATH_DEFAULT): New.
6546         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT): New.
6547         * config/i386/i386.c (override_options): Use TARGET_FPMATH_DEFAULT.
6548
6549         * config/i386/darwin.h (ASM_SPEC): Use -arch i386 not -arch i686.
6550         (SUBTARGET_EXTRA_SPECS): Always 'i386'.
6551
6552         * dwarf2out.c (output_line_info): Don't try to dereference
6553         a NULL current_function_decl.
6554
6555         * config/t-slibgcc-darwin: Don't put shared libraries in
6556         directories other than $(slibdir).
6557         * config/rs6000/darwin.h: Find -m64 libgcc under the name the
6558         OS uses for it.
6559
6560 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
6561
6562         PR tree-optimization/20933
6563         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Move
6564         logic to reject aliases between read-only and writable
6565         variables ...
6566         (may_alias_p): ... here.
6567         (get_tmt_for): Do not associate read-only tags to pointers
6568         whose pointed-to type is not read-only.
6569         * tree-ssa.c (verify_ssa): Check that memory stores have at
6570         least one V_MAY_DEF or V_MUST_DEF.
6571
6572 2005-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6573
6574         PR/17092
6575         * configure.ac (gcc_UNLOCKED_FUNCS): New.
6576         (AC_CHECK_FUNCS, AC_CHECK_DECLS): Check for gcc_UNLOCKED_FUNCS.
6577         * system.h (putchar, getc, getchar, clearerr, feof, fileno,
6578         fflush, fgetc, fgets, ferror, fread): Redefine to the associated
6579         _unlocked function.
6580         (fwrite_unlocked): Fix prototype.
6581
6582         * configure, config.in: Regenerate.
6583
6584 2005-04-11  David Edelsohn  <edelsohn@gnu.org>
6585
6586         * tree-ssa-loop-im.c: Include real.h.
6587         (determine_invariantness_stmt): If real division divisor is
6588         invariant and flag_unsafe_math_optimizations enabled, generate
6589         invariant reciprocal for hoisting.
6590         * Makefile.in (tree-ssa-loop-im.o): Add real.h dependency.
6591
6592 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
6593
6594         Fix PR tree-optimization/20926
6595
6596         * tree-ssa-alias.c (add_type_alias): Handle subvars.
6597
6598 2005-04-11  Devang Patel  <dpatel@apple.com>
6599
6600         * config/rs6000.c (rs6000_emit_vector_select): Fix vector select
6601         operand ordering.
6602
6603 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
6604
6605         * fold-const.c (fold_binary_op_with_conditional_arg):
6606         use fold_buildN instead of "fold (buildN" in some
6607         non obvious places.
6608         (fold_unary): Likewise.
6609         (fold_binary): Likewise.
6610
6611 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
6612
6613         Fix PR tree-optimization/20612
6614         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Fix increment
6615         handling
6616         (perfect_nestify): preheaderbb is *not* part of loop of the
6617         old destination.
6618
6619 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
6620
6621         * tree-ssa-alias.c (may_alias_p): If the variable
6622         is a global variable and the pointer is parameter
6623         and -fargument-noalias-global is used, then
6624         the pointer cannot alias the variable.
6625
6626 2005-04-11  James A. Morrison  <phython@gcc.gnu.org>
6627
6628         * config/sparc/sparc.c: Use gcc_assert and gcc_unreachable.
6629         * config/sparc/sparc.h: Likewise.
6630         * config/sparc/sparc.md: Likewise.
6631
6632 2005-04-11  Kazu Hirata  <kazu@cs.umass.edu>
6633
6634         * tree-vrp.c (maybe_add_assert_expr): Move a comment.
6635
6636         * tree-vrp.c: Fix a comment typo.
6637
6638 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
6639
6640         PR tree-optimization/20920
6641         * tree-pretty-print.c (dump_generic_node): Show '(ab)' if an
6642         SSA_NAME flows through an abnormal edge.
6643         * tree-vrp.c (infer_value_range): Ignore SSA names that flow
6644         through abnormal edges.
6645         (maybe_add_assert_expr): Likewise.
6646
6647 2005-04-11  Richard Sandiford  <rsandifo@redhat.com>
6648
6649         * config/s390/s390.h (s390_tune_string, s390_arch_string)
6650         (s390_warn_framesize_string, s390_warn_dynamicstack_string)
6651         (s390_stack_size_string, s390_stack_guard_string, target_flags)
6652         (MASK_HARD_FLOAT, MASK_SMALL_EXEC, MASK_DEBUG_ARG, MASK_64BIT)
6653         (MASK_ZARCH, MASK_MVCLE, MASK_TPF_PROFILING, MASK_NO_FUSED_MADD)
6654         (MASK_BACKCHAIN, MASK_PACKED_STACK, TARGET_HARD_FLOAT)
6655         (TARGET_SOFT_FLOAT, TARGET_SMALL_EXEC, TARGET_DEBUG_ARG)
6656         (TARGET_64BIT, TARGET_ZARCH, TARGET_MVCLE, TARGET_TPF_PROFILING)
6657         (TARGET_NO_FUSED_MADD, TARGET_FUSED_MADD, TARGET_BACKCHAIN)
6658         (TARGET_PACKED_STACK, TARGET_SWITCHES, TARGET_OPTIONS): Delete.
6659         * config/s390/s390.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
6660         (TARGET_HANDLE_OPTION): Likewise.
6661         (s390_tune): Initialize to PROCESSOR_max.
6662         (s390_arch_string): Make static.
6663         (s390_tune_string, s390_warn_framesize_string): Delete.
6664         (s390_warn_dynamicstack_string, s390_stack_size_string): Delete.
6665         (s390_stack_guard_string, s390_warn_dynamicstack_p): Delete.
6666         (s390_handle_arch_option, s390_handle_option): New functions.
6667         (override_options): Remove parsing of option strings.
6668         * config/s390/s390.opt: New file.
6669
6670 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
6671
6672         * tree-complex.c (expand_vector_operations): Call
6673         update_stmt_if_modified.
6674
6675 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
6676
6677         * tree-vect-analyze (vect_determine_vectorization_factor):
6678         Do not use GET_MODE_NUNITS.
6679         * tree-vect-transform.c (vect_get_vec_def_for_operand,
6680         (vectorizable_load, vect_transform_loop): Likewise.
6681
6682 2005-04-11  Uros Bizjak  <uros@kss-loka.si>
6683
6684         * builtins.def (BUILT_IN_LCEIL, BUILT_IN_LCEILF, BUILT_IN_LCEILL)
6685         (BUILT_IN_LLCEIL, BUILT_IN_LLCEILF, BUILT_IN_LLCEILL): New.
6686         * optabs.h (enum optab_index): Add new OTI_lceil.
6687         (lceil_optab): Define corresponding macro.
6688         * optabs.c (init_optabs): Initialize lceil_optab.
6689         * genopinit.c (optabs): Implement lceil_optab using lceilsi2
6690         and lceildi2 patterns.
6691         * builtins.c (expand_builtin_int_roundingfn): Handle
6692         BUILT_IN_LCEIL{,F,L} and BUILT_IN_LLCEIL{,F,L}.
6693         (fold_builtin_int_roundingfn): Handle BUILT_IN_LCEIL{,F,L} and
6694         BUILT_IN_LLCEIL{,F,L}.
6695         (fold_builtin_1): Fold BUILT_IN_LCEIL{,F,L} and
6696         BUILT_IN_LLCEIL{,F,L} using fold_builtin_int_roundingfn.
6697         (mathfn_built_in): Handle BUILT_IN LCEIL and BUILT_IN_LLCEIL.
6698         (expand_builtin): Expand BUILT_IN_LCEIL{,F,L} and
6699         BUILT_IN_LLCEIL{,F,L} using expand_builtin_int_roundingfn.
6700         * convert.c (convert_to_integer): Convert (long int)ceil{,f,l},
6701         into lceil built-in function and (long long int)ceil{,f,l} into
6702         llceil built-in function.
6703         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LCEIL and
6704         BUILT_IN_LLCEIL.
6705
6706 2005-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6707
6708         * pa/quadlib.c (_U_Qfneg): Toggle sign bit instead of subtracting from
6709         zero.
6710
6711 2005-04-10  Kazu Hirata  <kazu@cs.umass.edu>
6712
6713         * config/arm/arm.c: Fix a comment typo.
6714         * doc/tree-ssa.texi: Fix a typo.
6715
6716 2005-04-10  Steven Bosscher  <stevenb@suse.de>
6717
6718         * cselib.c (clear_table): Rename to cselib_clear_table.
6719         * cselib.h (cselib_clear_table): Add prototype.
6720         * gcse.c (gcse_main): Make 'f' argument unused.
6721         (alloc_gcse_mem): Do not walk the insn chain, walk the contents
6722         of each basic block instead.
6723         (compute_sets, compute_hash_table_work): Likewise.
6724         (constprop_register): Change int 'alter_jumps' argument to bool.
6725         (do_local_cprop): Likewise.
6726         (local_cprop_pass): Likewise.  Also walk basic blocks instead of
6727         the insn chain.  Explicitly clear the cselib tables after finishing
6728         one basic block.  Make sure there are no unterminated libcall blocks.
6729         Update compute_sets call.
6730         (cprop): Walk basic blocks instead of the insn chain.
6731         (one_cprop_pass, compute_ld_motion_mems, compute_store_table):
6732         Likewise.
6733         (bypass_jumps): Update alloc_gcse_mem, compute_sets, and
6734         one_cprop_pass calls.
6735
6736 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
6737
6738         * combine.c (combine_simplify_rtx): Remove a transformation that
6739         relies on an invalid assumption about rtl sign-extension semantics.
6740
6741 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
6742
6743         * value-prof.c (tree_divmod_fixed_value_transform): Fix arguments
6744         to build_int_cst_wide.
6745
6746 2005-04-09  Alexandre Oliva  <aoliva@redhat.com>
6747
6748         PR target/20126
6749         * loop.c (loop_givs_rescan): If replacement of DEST_ADDR failed,
6750         set the original address pseudo to the correct value before the
6751         original insn, if possible, and leave the insn alone, otherwise
6752         create a new pseudo, set it and replace it in the insn.
6753         * recog.c (validate_change_maybe_volatile): New.
6754         * recog.h (validate_change_maybe_volatile): Declare.
6755
6756 2005-04-09  Caroline Tice  <ctice@apple.com>
6757
6758         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
6759         Remove targetm.have_named_sections test.
6760         (fix_edges_for_rarely_executed_code): Likewise.
6761         (insert_section_boundary_note): Likewise.
6762         (reorder_basic_blocks): Check partitioning flag before calling
6763         verify_hot_cold_block_grouping.
6764         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
6765         the function struct rather than global variables.
6766         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
6767         (COLD_END_LABEL): Likewise
6768         (cold_text_section_label): New static global variable.
6769         (cold_end_label): Likewise.
6770         (dwarf2out_switch_text_section): Get hot/cold section labels from
6771         the function struct rather than global variables.
6772         (output_aranges): Use cold_text_section_label and cold_end_label;
6773         check partitioning flag before putting out delta.
6774         (output_ranges): Remove incorrect code attempting to use
6775         hot/cold labels.
6776         (output_line_info): Get cold section label from function struct.
6777         (add_location_or_const_value_attribute): Likewise.
6778         (get_subprogram_die): Get hot/cold section labels from function struct.
6779         (dwarf2out_var_location): Likewise.
6780         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
6781         write out cold_text_section_label if partition flag is set.
6782         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
6783         * function.h (struct function): Add new fields to point to hot/cold
6784         section labels: hot_section_label, cold_section_label,
6785         hot_section_end_label and cold_section_end_label; also add new field
6786         for cold text section name, unlikely_text_section_name.
6787         * opts.c (decode_options): Turn off partitioning flag if
6788         !targetm.have_named_sections.
6789         * output.h (hot_section_label): Remove.
6790         (hot_section_end_label): Remove.
6791         (cold_section_end_label): Remove.
6792         (unlikely_section_label): Remove.
6793         (unlikely_text_section_name): Remove.
6794         * passes.c (rest_of_handle_final):  Remove code that frees
6795         unlikely_text_section_name.
6796         * varasm.c (unlikely_section_label): Remove.
6797         (hot_section_label): Remove.
6798         (hot_section_end_label): Remove.
6799         (cold_section_end_label): Remove.
6800         (unlikely_text_section_name):  Remove.
6801         (initialize_cold_section_name): Modify to call
6802         targetm.strip_name_encoding; to store cold section name in current
6803         function struct, if it exists; and to only use the decl_section_name
6804         if flag_named_sections is true.
6805         (unlikely_text_section): Modify to get section name out of current
6806         function struct, if there is one; otherwise build it from
6807         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
6808         (in_unlikely_text_section): Likewise.
6809         (named_section): Modify to get/put cold section name in current function
6810         struct, if there is one.
6811         (function_section):  Change 'bool unlikely' to 'int reloc'; check
6812         targetm.have_named_sections before calling named_section.
6813         (current_function_section): Likewise.
6814         (assemble_start_function): Modify to get/put unlikely_text_section_name
6815         in current function struct; modify to get hot/cold section labels
6816         from function struct; initialize labels using
6817         ASM_GENERATE_INTERNAL_LABEL;
6818         test partitioning flag before writing out hot section label.
6819         (assemble_end_function): Test partitioning flag before writing out
6820         hot/cold section labels.
6821         (default_section_type_flags_1):  Modify to use array instead of
6822          char* for unlikely_text_section_name; set flags correctly for
6823          cold text section if there is not a current function decl.
6824
6825 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
6826
6827         * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
6828         and TI_VA_LIST_FPR_COUNTER_FIELD.
6829         (va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
6830         * tree-pass.h (pass_stdarg): Add.
6831         * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
6832         * tree-stdarg.c: New file.
6833         * tree-stdarg.h: New file.
6834         * Makefile.in (OBJS-common): Add tree-stdarg.o.
6835         (tree-stdarg.o): Add dependencies.
6836         * function.h (struct function): Add va_list_gpr_size and
6837         va_list_fpr_size fields.
6838         * function.c (allocate_struct_function): Initialize them.
6839         * target.h (struct gcc_target): Add stdarg_optimize_hook.
6840         * target-def.h (TARGET_STDARG_OPTIMIZE_HOOK): Define.
6841         (TARGET_INITIALIZER): Add it.
6842
6843         * config/i386/i386.c (ix86_build_builtin_va_list): Initialize
6844         va_list_{g,f}pr_counter_field.
6845         (ix86_setup_incoming_varargs): Don't do anything if reg_save
6846         area will not be used.  Only save registers that tree-stdarg.c
6847         detected they need saving.
6848         (ix86_va_start): Don't set up fields that won't be used.
6849
6850         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
6851         va_list_{g,f}pr_counter_field.
6852         (setup_incoming_varargs): Don't do anything if reg_save
6853         area will not be used.  Only save registers that tree-stdarg.c
6854         detected they need saving.
6855         (rs6000_va_start): Don't set up fields that won't be used.
6856
6857         * config/alpha/alpha.c: Include tree-flow.h and tree-stdarg.h.
6858         (alpha_build_builtin_va_list): Initialize va_list_gpr_counter_field.
6859         (va_list_skip_additions, alpha_stdarg_optimize_hook): New functions.
6860         (TARGET_STDARG_OPTIMIZE_HOOK): Define.
6861
6862 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
6863
6864         PR target/20795
6865         * config/i386/i386.c (construct_container): Pass empty aligned
6866         struct, union or class in memory.
6867
6868 2005-04-09  Kazu Hirata  <kazu@cs.umass.edu>
6869
6870         * dominance.c, gthr-win32.h, reg-stack.c, tree-ssa-copy.c,
6871         tree-ssa-operands.c, tree-ssa.c, tree-vrp.c, varasm.c,
6872         config/alpha/alpha.c, config/arm/arm.c, config/m32r/m32r.h,
6873         config/rs6000/predicates.md: Fix comment typos.
6874
6875         * sched-int.h (haifa_insn_data): Remove blockage and units.
6876         (INSN_UNIT, INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK,
6877         ENCODE_BLOCKAGE, UNIT_BLOCKED, BLOCKAGE_RANGE,
6878         MIN_BLOCKAGE_COST, MAX_BLOCKAGE_COST): Remove.
6879
6880 2005-04-09  Jan Hubicka  <jh@suse.cz>
6881             Steven Bosscher  <stevenb@suse.de>
6882
6883         * cfglayout.c (copy_bbs): Rename n_edges to num_edges.
6884         * cfgloop.c (get_loop_exit_edges): Likewise.
6885         * cfgloopmanip.c (fix_irreducible_loops): Likewise.
6886         (unloop): Likewise.
6887         * loop-unroll.c (analyze_insns_in_loop): Likewise.
6888         * tree-cfg.c (dump_cfg_status): Likewise.
6889
6890 2005-04-09  David Edelsohn  <edelsohn@gnu.org>
6891
6892         * config/rs6000/predicates.md (altivec_register_operand): Remove
6893         redundant match_code test.
6894         (gpc_reg_operand): Same.
6895         (cc_reg_operand): Same.
6896         (cc_reg_not_cr0_operand): Same.
6897
6898 2005-04-09  Jan Hubicka  <jh@suse.cz>
6899
6900         Forgotten hunk from my last merge patch:
6901         * final.c (output_addr_const): Do not call mark_referenced.
6902
6903 2005-04-09  Andrew MacLeod  <amacleod@redhat.com>
6904
6905         * doc/tree-ssa.texi: Add immediate use documentation.
6906
6907 2005-04-09  Richard Earnshaw <richard.earnshaw@arm.com>
6908
6909         * arm.c (FL_WBUF): Define.
6910         (arm_tune_strongarm): Renamed from arm_is_strong.  All uses changed.
6911         (arm_is_6_or_7): Delete.
6912         (arm_tune_wbuf): New.
6913         (arm_override_options): Set arm_tune_wbuf.
6914         * arm.h (arm_tune_strongarm): Renamed from arm_is_strong.
6915         (arm_is_6_or_7): Delete declaration.
6916         (arm_tune_wbuf): New declartion.
6917         * arm.md (is_strongarm): Derive from arm_tune_strongarm.
6918         (model_wbuf): Derive from arm_tune_wbuf.
6919         * arm-cores.def (arm600, arm610, arm620, arm700, arm700i, arm710)
6920         (arm720, arm710c, arm7100, arm7500, arm7500fe, arm710t, arm720t)
6921         (arm740t): Mark CPUs as having a write buffer.
6922
6923 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
6924
6925         * config/i386/i386.md (*fp_jcc_7_387): Use 'const0_operand' instead
6926         of 'const_double_operand' in operand 2 constraints.  Update enable
6927         condition.
6928
6929 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
6930
6931         * builtins.def (BUILT_IN_LFLOOR, BUILT_IN_LFLOORF, BUILT_IN_LFLOORL)
6932         (BUILT_IN_LLFLOOR, BUILT_IN_LLFLOORF, BUILT_IN_LLFLOORL): New.
6933         * optabs.h (enum optab_index): Add new OTI_lfloor.
6934         (lfloor_optab): Define corresponding macro.
6935         * optabs.c (init_optabs): Initialize lfloor_optab.
6936         * genopinit.c (optabs): Implement lfloor_optab using lfloorsi2
6937         and lfloordi2 patterns.
6938         * builtins.c (expand_builtin_int_roundingfn): New prototype.
6939         (expand_builtin_int_roundingfn): New function.
6940         (fold_builtin_int_roundingfn): New prototype.
6941         (fold_builtin_int_roundingfn): New function, renamed from
6942         fold_builtin_lround.
6943         Handle BUILT_IN_LROUND{,F,L}, BUILT_IN_LLROUND{,F,L} and
6944         BUILT_IN_LFLOOR{,F,L}, BUILT_IN_LLFLOOR{,F,L}.
6945         (fold_builtin_1): Fold BUILT_IN_LFLOOR{,F,L} and
6946         BUILT_IN_LLFLOOR{,F,L} using fold_builtin_int_roundingfn.
6947         (mathfn_built_in): Handle BUILT_IN LFLOOR and BUILT_IN_LLFLOOR.
6948         (expand_builtin): Expand BUILT_IN_LFLOOR{,F,L} and
6949         BUILT_IN_LLFLOOR{,F,L} using expand_builtin_int_roundingfn.
6950         * convert.c (convert_to_integer): Convert (long int)floor{,f,l},
6951         into lfloor built-in function and (long long int)floor{,f,l} into
6952         llfloor built-in function.
6953         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LFLOOR and
6954         BUILT_IN_LLFLOOR.
6955
6956 2005-04-08  Ian Lance Taylor  <ian@airs.com>
6957
6958         * c-common.def: Move FOR_STMT, WHILE_STMT, DO_STMT, BREAK_STMT,
6959         CONTINUE_STMT, and SWITCH_STMT to cp/cp-tree.def.
6960         * c-common.h (WHILE_COND, WHILE_BODY): Move to cp/cp-tree.h.
6961         (DO_COND, DO_BODY): Likewise.
6962         (FOR_INIT_STMT, FOR_COND, FOR_EXPR, FOR_BODY): Likewise.
6963         (SWITCH_STMT_COND, SWITCH_STMT_BODY, SWITCH_STMT_TYPE): Likewise.
6964         (c_common_stmt_codes): Remove FOR_STMT, WHILE_STMT, DO_STMT,
6965         BREAK_STMT, CONTINUE_STMT, and SWITCH_STMT.
6966         (build_continue_stmt, build_break_stmt): Don't declare.
6967         (c_do_switch_warnings): Update declaration.
6968         * c-gimplify.c (enum bc_t): Remove.
6969         (struct c_gimplify_ctx, ctxp): Remove.
6970         (push_context, pop_context): Remove static functions.
6971         (c_genericize): Don't call push_context or pop_context.
6972         (begin_bc_block, finish_bc_block): Remove static functions.
6973         (build_bc_goto): Likewise.
6974         (gimplify_c_loop): Likewise.
6975         (gimplify_for_stmt, gimplify_while_stmt): Likewise.
6976         (gimplify_do_stmt, gimplify_switch_stmt): Likewise.
6977         (c_gimplify_expr): Remove handling of FOR_STMT, WHILE_STMT,
6978         DO_STMT, SWITCH_STMT, CONTINUE_STMT, BREAK_STMT.
6979         * c-common.c (c_do_switch_warnings): Rename from
6980         c_do_switch_warnings_1.
6981         (c_do_switch_warnings) [old version]: Remove.
6982         (c_do_switch_expr_warnings): Remove.
6983         * c-typeck.c (c_finish_case): Call new c_do_switch_warnings
6984         function instead of c_do_switch_expr_warnings.
6985         * c-dump.c (c_dump_tree): Remove handling of BREAK_STMT,
6986         CONTINUE_STMT, DO_STMT, FOR_STMT, SWITCH_STMT, and WHILE_STMT.
6987         * c-pretty-print.c (pp_c_statement): Likewise.
6988         * c-semantics.c (build_break_stmt, build_continue_stmt): Remove.
6989
6990 2005-04-08  Devang Patel  <dpatel@apple.com>
6991
6992         * tree-if-conv.c (find_phi_replacement_condition): New parameter, loop.
6993         While selecting replacement condition pay attention to loop header.
6994
6995 2005-04-08  Diego Novillo  <dnovillo@redhat.com>
6996
6997         Merge from tree-cleanup-branch: VRP, store CCP, store
6998             copy-prop, incremental SSA updating of FUD chains and
6999             newly exposed symbols.
7000
7001         * Makefile.in (tree-ssa-copy.o): Depend on tree-ssa-propagate.h.
7002         (OBJS-common): Add tree-vrp.o.
7003         (tree-vrp.o): New rule.
7004         * basic-block.h (nearest_common_dominator_for_set): Declare.
7005         * common.opt (ftree-store-ccp): New flag.
7006         (ftree-copy-prop): New flag.
7007         (ftree-vrp): New flag.
7008         (ftree-store-copy-prop): New flag.
7009         * dominance.c (nearest_common_dominator_for_set): New.
7010         * domwalk.c (walk_dominator_tree): Only traverse
7011         statements in blocks marked in walk_data->interesting_blocks.
7012         * domwalk.h (struct dom_walk_data): Add field interesting_blocks.
7013         * fold-const.c (fold): Handle ASSERT_EXPR.
7014         * opts.c (decode_options): Set flag_tree_copy_prop at -O1.
7015         Set flag_tree_store_ccp, flag_tree_store_copy_prop and
7016         flag_tree_vrp at -O2.
7017         * timevar.def (TV_TREE_VRP): Define.
7018         (TV_TREE_COPY_PROP): Define.
7019         (TV_TREE_STORE_COPY_PROP): Define.
7020         (TV_TREE_SSA_INCREMENTAL): Define.
7021         (TV_TREE_STORE_CCP): Define.
7022         * tree-cfg.c (tree_can_merge_blocks_p): Remove reference
7023         to kill_redundant_phi_nodes from comment.
7024         (verify_expr): Handle ASSERT_EXPR.
7025         * tree-dfa.c (mark_new_vars_to_rename): Remove second
7026         argument.  Update all users.
7027         (mark_call_clobbered_vars_to_rename): Remove.  Update all
7028         users.
7029         * tree-flow-inline.h (unmodifiable_var_p): New.
7030         * tree-flow.h (enum value_range_type): Declare.
7031         (struct value_range_def): Declare.
7032         (value_range): Declare.
7033         (remove_all_phi_nodes_for): Remove.  Update all users.
7034         (find_phi_node_for): Declare.
7035         (add_type_alias): Declare.
7036         (count_uses_and_derefs): Declare.
7037         (kill_redundant_phi_nodes): Remove.
7038         (rewrite_into_ssa): Remove.
7039         (rewrite_def_def_chains): Remove.
7040         (update_ssa, register_new_name_mapping, create_new_def_for,
7041         need_ssa_update_p, name_registered_for_update_p,
7042         release_ssa_name_after_update_ssa, dump_repl_tbl,
7043         debug_repl_tbl, dump_names_replaced_by,
7044         debug_names_replaced_by, mark_sym_for_renaming,
7045         mark_set_for_renaming, get_current_def, set_current_def,
7046         get_value_range, dump_value_range, debug_value_range,
7047         dump_all_value_ranges, debug_all_value_ranges,
7048         expr_computes_nonzero, loop_depth_of_name,
7049         unmodifiable_var_p): Declare.
7050         * tree-gimple.c (is_gimple_formal_tmp_rhs): Handle
7051         ASSERT_EXPR.
7052         * tree-into-ssa.c (block_defs_stack): Update comment.
7053         (old_ssa_names, new_ssa_names, old_virtual_ssa_names,
7054         syms_to_rename, names_to_release, repl_tbl,
7055         need_to_initialize_update_ssa_p, need_to_update_vops_p,
7056         need_to_replace_names_p): New locals.
7057         (NAME_SETS_GROWTH_FACTOR): Define.
7058         (struct repl_map_d): Declare.
7059         (struct mark_def_sites_global_data): Add field
7060         interesting_blocks.
7061         (enum rewrite_mode): Declare.
7062         (REGISTER_DEFS_IN_THIS_STMT): Define.
7063         (compute_global_livein): Use last_basic_block instead of
7064         n_basic_blocks.
7065         (set_def_block): Remove last argument.  Update all callers.
7066         (prepare_use_operand_for_rename): Remove.  Update all callers.
7067         (prepare_def_operand_for_rename): Remove.  Update all callers.
7068         (symbol_marked_for_renaming): New.
7069         (is_old_name): New.
7070         (is_new_name): New.
7071         (repl_map_hash): New.
7072         (repl_map_eq): New.
7073         (repl_map_free): New.
7074         (names_replaced_by): New.
7075         (add_to_repl_tbl): New.
7076         (add_new_name_mapping): New.
7077         (mark_def_sites): Assume that all the operands in the
7078         statement are in normal form.
7079         (find_idf): Assert that the block in the stack is valid.
7080         (get_default_def_for): New.
7081         (insert_phi_nodes_for): Add new argument 'update_p'.
7082         Add documentation.
7083         If update_p is true, add a new mapping between the LHS of
7084         each new PHI and the name that it replaces.
7085         (insert_phi_nodes_1): Only call find_idf if needed.
7086         (get_reaching_def): Call get_default_def_for.
7087         (rewrite_operand): Remove.
7088         (rewrite_stmt): Do nothing if REGISTER_DEFS_IN_THIS_STMT
7089         and REWRITE_THIS_STMT are false.
7090         Assume that all the operands in the statement are in
7091         normal form.
7092         (rewrite_add_phi_arguments): Don't use PHI_REWRITTEN.
7093         (rewrite_virtual_phi_arguments): Remove.
7094         (invalidate_name_tags): Remove.
7095         (register_new_update_single, register_new_update_set,
7096         rewrite_update_init_block, replace_use,
7097         rewrite_update_fini_block, rewrite_update_stmt,
7098         rewrite_update_phi_arguments): New.
7099         rewrite_blocks): Remove argument 'fix_virtual_phis'.
7100         Add arguments 'entry', 'what' and 'blocks'.
7101         Initialize the dominator walker according to 'what' and
7102         'blocks'.
7103         Start the dominator walk at 'entry'.
7104         (mark_def_site_blocks): Add argument 'interesting_blocks'.
7105         Use it to configure the dominator walker.
7106         (rewrite_into_ssa): Remove argument 'all'.
7107         Make internal.
7108         (rewrite_all_into_ssa): Remove.
7109         (rewrite_def_def_chains): Remove.
7110         (mark_def_interesting, mark_use_interesting,
7111         prepare_phi_args_for_update, prepare_block_for_update,
7112         prepare_def_site_for, prepare_def_sites,
7113         dump_names_replaced_by, debug_names_replaced_by,
7114         dump_repl_tbl, debug_repl_tbl, init_update_ssa,
7115         delete_update_ssa, create_new_def_for,
7116         register_new_name_mapping, mark_sym_for_renaming,
7117         mark_set_for_renaming, need_ssa_update_p,
7118         name_registered_for_update_p, ssa_names_to_replace,
7119         release_ssa_name_after_update_ssa,
7120         insert_updated_phi_nodes_for, update_ssa): New.
7121         * tree-loop-linear.c (linear_transform_loops): Call
7122         update_ssa instead of rewrite_into_ssa.
7123         * tree-optimize.c (vars_to_rename): Remove.
7124         Update all users.
7125         (init_tree_optimization_passes): Replace
7126         pass_redundant_phi with pass_copy_prop.
7127         Add pass_vrp.
7128         Replace pass_ccp with pass_store_ccp.
7129         Add pass_store_copy_prop after pass_store_ccp.
7130         (execute_todo): If the TODO_ flags don't include updating
7131         the SSA form, assert that it does not need to be updated.
7132         Call update_ssa instead of rewrite_into_ssa and
7133         rewrite_def_def_chains.
7134         If TODO_verify_loops is set, call verify_loop_closed_ssa.
7135         (tree_rest_of_compilation):
7136         * tree-pass.h (TODO_dump_func, TODO_ggc_collect,
7137         TODO_verify_ssa, TODO_verify_flow, TODO_verify_stmts,
7138         TODO_cleanup_cfg): Renumber.
7139         (TODO_verify_loops, TODO_update_ssa,
7140         TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
7141         TODO_update_ssa_only_virtuals): Define.
7142         (pass_copy_prop, pass_store_ccp, pass_store_copy_prop, pass_vrp):
7143         Declare.
7144         * tree-phinodes.c (make_phi_node): Update documentation.
7145         (remove_all_phi_nodes_for): Remove.
7146         (find_phi_node_for): New.
7147         * tree-pretty-print.c (dump_generic_node): Handle ASSERT_EXPR.
7148         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Likewise.
7149         (interpret_rhs_modify_expr): Likewise.
7150         * tree-sra.c (decide_instantiations): Mark all symbols in
7151         SRA_CANDIDATES for renaming.
7152         (mark_all_v_defs_1): Rename from mark_all_v_defs.
7153         (mark_all_v_defs): New function.  Update all users to call it
7154         with the whole list of scalarized statements, not just the
7155         first one.
7156         * tree-ssa-alias.c (count_ptr_derefs): Make extern.
7157         (compute_flow_insensitive_aliasing): If the tag is
7158         unmodifiable and the variable isn't or vice-versa, don't
7159         make them alias of each other.
7160         (setup_pointers_and_addressables): If the type tag for
7161         VAR is about to change, mark the old one for renaming.
7162         (add_type_alias): New.
7163         * tree-ssa-ccp.c: Document SSA-CCP and STORE-CCP.
7164         (ccp_lattice_t): Rename from latticevalue.
7165         (value): Remove.  Update all users.
7166         (const_val): New local variable.
7167         (do_store_ccp): New local variable.
7168         (dump_lattice_value): Handle UNINITIALIZED.
7169         (debug_lattice_value): New.
7170         (get_default_value): Re-write.
7171         (set_lattice_value): Re-write.
7172         (def_to_varying): Remove.  Update all users.
7173         (likely_value): Return VARYING for statements that make
7174         stores when STORE_CCP is false.
7175         Return VARYING for any statement other than MODIFY_EXPR,
7176         COND_EXPR and SWITCH_EXPR.
7177         (ccp_initialize): Re-write.
7178         (replace_uses_in, replace_vuse_in, substitute_and_fold):
7179         Move to tree-ssa-propagate.c.
7180         (ccp_lattice_meet): Handle memory stores when
7181         DO_STORE_CCP is true.
7182         (ccp_visit_phi_node): Likewise.
7183         (ccp_fold): Likewise.
7184         (evaluate_stmt): Likewise.
7185         (visit_assignment): Likewise.
7186         (ccp_visit_stmt): Likewise.
7187         (execute_ssa_ccp): Add argument 'store_ccp'.  Copy it
7188         into DO_STORE_CCP.
7189         (do_ssa_ccp): New.
7190         (pass_ccp): Use it.
7191         (do_ssa_store_ccp): New.
7192         (gate_store_ccp): New.
7193         (pass_store_ccp): Declare.
7194         * tree-ssa-copy.c: Include tree-ssa-propagate.h.
7195         (may_propagate_copy): Reformat.
7196         Don't abort if ORIG is a virtual and DEST isn't.
7197         If NEW does not have alias information but DEST does,
7198         copy it.
7199         (copy_of, cached_last_copy_of, do_store_copy_prop, enum
7200         copy_prop_kind, which_copy_prop): Declare.
7201         (stmt_may_generate_copy, get_copy_of_val,
7202         get_last_copy_of, set_copy_of_val, dump_copy_of,
7203         copy_prop_visit_assignment, copy_prop_visit_cond_stmt,
7204         copy_prop_visit_stmt, copy_prop_visit_phi_node,
7205         init_copy_prop, fini_copy_prop, execute_copy_prop,
7206         gate_copy_prop, do_copy_prop, gate_store_copy_prop,
7207         store_copy_prop): New.
7208         (pass_copy_prop, pass_store_copy_prop): Declare.
7209         * tree-ssa-dom.c (struct opt_stats_d): Add fields
7210         'num_const_prop' and 'num_copy_prop'.
7211         (cprop_operand): Update them.
7212         (dump_dominator_optimization_stats): Dump them.
7213         (tree_ssa_dominator_optimize): Call update_ssa instead of
7214         rewrite_into_ssa.
7215         (loop_depth_of_name): Declare extern.
7216         (simplify_cond_and_lookup_avail_expr): Guard against NULL
7217         values for LOW or HIGH.
7218         (cprop_into_successor_phis): Only propagate if NEW != ORIG.
7219         (record_equivalences_from_stmt): Call expr_computes_nonzero.
7220         (cprop_operand): Only propagate if VAL != OP.
7221         * tree-ssa-dse.c (dse_optimize_stmt): Mark symbols in removed
7222         statement for renaming.
7223         * tree-ssa-loop-im.c (move_computations): Call update_ssa.
7224         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call
7225         add_type_alias if necessary.
7226         Call mark_new_vars_to_rename.
7227         (tree_ssa_iv_optimize): If new symbols need to be renamed,
7228         mark every statement updated, call update_ssa and
7229         rewrite_into_loop_closed_ssa.
7230         * tree-ssa-loop-manip.c (add_exit_phis): Do not remove DEF_BB
7231         from LIVEIN if VAR is a virtual.
7232         * tree-ssa-loop.c (tree_loop_optimizer_init): Call update_ssa.
7233         * tree-ssa-operands.c (get_expr_operands): Handle ASSERT_EXPR.
7234         (get_call_expr_operands): Reformat statement.
7235         (add_stmt_operand): Don't create V_MAY_DEFs for read-only
7236         symbols.
7237         * tree-ssa-propagate.c (ssa_prop_init): Initialize
7238         SSA_NAME_VALUE for every name.
7239         (first_vdef, stmt_makes_single_load, stmt_makes_single_store,
7240         get_value_loaded_by): New.
7241         (replace_uses_in, replace_vuses_in, replace_phi_args_in,
7242         substitute_and_fold): Move from tree-ssa-ccp.c.
7243         * tree-ssa-propagate.h (struct prop_value_d, prop_value_t,
7244         first_vdef, stmt_makes_single_load, stmt_makes_single_store,
7245         get_value_loaded_by, replace_uses_in, substitute_and_fold):
7246         Declare.
7247         * tree-ssa.c (verify_use): Fix error message.
7248         (propagate_into_addr, replace_immediate_uses, get_eq_name,
7249         check_phi_redundancy, kill_redundant_phi_nodes,
7250         pass_redundant_phi): Remove.  Update all users.
7251         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
7252         add_type_alias, if necessary.
7253         * tree-vectorizer.h (struct _stmt_vect_info): Update
7254         documentation for field 'memtag'.
7255         * tree-vrp.c: New file.
7256         * tree.def (ASSERT_EXPR): Define.
7257         * tree.h (ASSERT_EXPR_VAR): Define.
7258         (ASSERT_EXPR_COND): Define.
7259         (SSA_NAME_VALUE_RANGE): Define.
7260         (struct tree_ssa_name): Add field 'value_range'.
7261         (PHI_REWRITTEN): Remove.
7262         (struct tree_phi_node): Remove field 'rewritten'.
7263         * doc/invoke.texi (-fdump-tree-storeccp, -ftree-copy-prop,
7264         -ftree-store-copy-prop): Document.
7265         * doc/tree-ssa.texi: Remove broken link to McCAT's compiler.
7266         Document usage of update_ssa.
7267
7268 2005-04-08  David Edelsohn  <edelsohn@gnu.org>
7269
7270         PR target/20814
7271         * config/rs6000/predicates.md (altivec_register_operand): Accept
7272         SUBREG.
7273         (and64_operand): Do not limit CONST_INT to mask64_operand.
7274         (and64_2_operand): Do not limit CONST_INT to mask64_1or2_operand.
7275         (and_operand): Do not limit CONST_INT to mask_operand.
7276
7277 2005-04-09  Hans-Peter Nilsson  <hp@axis.com>
7278
7279         PR rtl-optimization/20466
7280         * flow.c (invalidate_mems_from_set): Handle a MEM by checking it
7281         for overlap of the address of each list member.
7282         (mark_set_1): Call invalidate_mems_from_set for MEMs too.
7283
7284 2005-04-08  Mike Stump  <mrs@apple.com>
7285
7286         * config/darwin.c (indirect_data): Fix typo in strncmp logic.
7287
7288         * config/rs6000/rs6000.c (rs6000_emit_prologue): Use 5 nops,
7289         instead of 4.
7290
7291 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
7292
7293         * c-tree.h (C_LANG_TREE_NODE_CHAIN_NEXT): Remove.
7294
7295         * function.c (push_function_context_to): Don't set
7296         contains_functions.
7297         * function.h (function): Remove contains_functions.
7298         (current_function_contains_functions): Remove.
7299
7300         * function.h (function): Remove instrument_entry_exit.
7301         (current_function_instrument_entry_exit): Remove.
7302
7303         * function.h (nonlocal_labels): Remove.
7304
7305         * tree.h (STRIP_MAIN_TYPE_NOPS): Remove.
7306
7307         * genattrtab.c (attr_desc): Remove negative_ok and unsigned_p.
7308         (check_attr_value, write_attr_get, write_expr_attr_cache,
7309         find_attr, make_internal_attr): Don't reference negative_ok or
7310         unsigned_p.
7311         * genattrtab.h (ATTR_NEGATIVE_OK, ATTR_UNSIGNED,
7312         ATTR_FUNC_UNITS, ATTR_BLOCKAGE): Remove.
7313         (ATTR_STATIC): Adjust the value.
7314
7315         * c-common.h (C_ARTIFICIAL_STRING_P): Remove.
7316
7317 2005-04-08  Ulrich Weigand  <uweigand@de.ibm.com>
7318
7319         * config/s390/tpf.h (ASM_SPEC): Define.
7320
7321 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
7322
7323         * tree-flow.h: Remove the prototype for
7324         redirect_immediate_uses.
7325         (TDFA_USE_OPS, TDFA_USE_VOPS): Remove.
7326
7327 2005-04-08  Richard Earnshaw  <richard.earnshaw@arm.com>
7328
7329         * arm.c (arm_const_double_by_parts): New function.
7330         * arm-protos.h (arm_const_double_by_parts): Add prototype.
7331         * arm.md (define_split for 64-bit constants): Add another one.
7332
7333 2005-04-08  Andrew MacLeod  <amacleod@redhat.com>
7334
7335         * tree-ssa-operands.c (correct_use_link): Remove linear scan.
7336
7337 2005-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7338
7339         * system.h: Revert last change.
7340
7341 2005-04-08  Richard Sandiford  <rsandifo@redhat.com>
7342
7343         * config/xtensa/xtensa.h (target_flags, MASK_NO_FUSED_MADD)
7344         (MASK_CONST16, TARGET_NO_FUSED_MADD, TARGET_CONST16)
7345         (TARGET_SWITCHES): Delete.
7346         * config/xtensa/xtensa.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
7347         * config/xtensa/xtensa.md (muladdsf3, mulsubsf3): Check
7348         TARGET_FUSED_MADD instead of !TARGET_NO_FUSED_MADD.
7349         * config/xtensa/xtensa.opt: New file.
7350
7351 2005-04-08  Ben Elliston  <bje@au.ibm.com>
7352
7353         * config/fp-bit.c: Include L_mul_tf in #endif comment.
7354         * config/fp-bit.h: Tidy comments.
7355
7356 2005-04-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7357
7358         * system.h: Poison PARAMS.
7359
7360 2005-04-07  Richard Sandiford  <rsandifo@redhat.com>
7361
7362         * config/vax/vax.h (target_flags, MASK_UNIX_ASM, MASK_VAXC_ALIGNMENT)
7363         (MASK_G_FLOAT, TARGET_UNIX_ASM, TARGET_VAXC_ALIGNMENT, TARGET_G_FLOAT)
7364         (TARGET_SWITCHES): Delete.
7365         * config/vax/vax.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
7366         * config/vax/vax.opt: New file.
7367
7368 2005-04-07  Daniel Berlin  <dberlin@dberlin.org>
7369
7370         * tree-ssa-dse.c (dse_optimize_stmt): Fix incorrect comment.
7371
7372 2005-04-07  Ian Lance Taylor  <ian@airs.com>
7373
7374         * config/iq2000/iq2000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Don't
7375         define.
7376         * config/mips/mips.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
7377         * config/sparc/sparc.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE):
7378         Likewise.
7379
7380 2005-04-07  Kazu Hirata  <kazu@cs.umass.edu>
7381
7382         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Consider
7383         all immediate uses in PHI nodes.
7384
7385 2005-04-07  Richard Earnshaw  <richard.earnshaw@arm.com>
7386
7387         * arm.c (arm_const_double_inline_cost): Handle any constant by
7388         using gen_lowpart and gen_highpart_mode.
7389         (note_invalid_constants): All constants in an RTX with a constraint
7390         that permits memory are now pushed to the constant pool.
7391         (output_move_double): Delete code to handle reg to reg and
7392         constant to reg moves.
7393         (const_double_needs_minipool, output_mov_immediate): Delete.
7394         * arm.h (EXTRA_CONSTRAINT_STR_ARM): All 'D' variants now handle
7395         CONST_INT and CONST_VECTOR.
7396         * arm.md (ANY64): New mode macro.
7397         (arm_movdi): Split reg-reg and const-reg moves.  Simplify constraints.
7398         (movdf_soft_insn): Split reg-reg and const-reg moves.
7399         (split patterns for 64-bit constant and register moves): New.
7400         * cirrus.md (cirrus_arm_movdi): Split reg-reg and const-reg moves.
7401         (cirrus_movdf_hard_insn): Likewise.
7402         * fpa.md (movdf_fpa): Likewise.
7403         * iwmmxt.md (iwmmxt_arm_movdi): Likewise.
7404         (movv8qi_internal, movv4hi_internal, movv2si_internal): Fix
7405         constraints.
7406         (movv2si_internal_2): Likewise.
7407         * vfp.md (arm_movdi_vfp): Split reg-reg and const-reg moves.
7408         (movdf_vfp): Likewise.
7409         * arm-protos.h (output_mov_immediate): Delete prototype.
7410
7411 2005-04-07  Joseph S. Myers  <joseph@codesourcery.com>
7412
7413         PR target/20093
7414         * simplify-rtx.c (simplify_unary_operation_1): Check
7415         SUBREG_PROMOTED_UNSIGNED_P (op) > 0 for zero-extension.
7416
7417 2005-04-06  James E Wilson  <wilson@specifixinc.com>
7418
7419         PR target/20717
7420         * cgraphunit.c (record_call_1, case FDESC_EXPR): Handle same as
7421         ADDR_EXPR.
7422
7423 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
7424
7425         * coverage.h (GCOV_TYPE_NODE): Delete.
7426         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref)
7427         (build_ctr_info_type): Use get_gcov_type () instead of GCOV_TYPE_NODE.
7428         * tree-profile.c (tree_gen_edge_profiler, tree_gen_interval_profiler)
7429         (tree_gen_pow2_profiler, tree_gen_one_value_profiler): Likewise.
7430         * value-prof.c (tree_divmod_fixed_value_transform): Delete.
7431
7432 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
7433
7434         PR other/20792
7435         * Makefile.in (gcc.pot): Remove options.c dependency.
7436         * optc-gen.awk: Don't quote help strings with N_().
7437
7438 2005-04-06  James A. Morrison  <phython@gcc.gnu.org>
7439
7440         * c-common.c (handle_malloc_atttribute): Only set DECL_IS_MALLOC if
7441         the function returns a pointer type.
7442
7443 2005-04-06  Daniel Berlin  <dberlin@dberlin.org>
7444
7445         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): New
7446         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): New
7447         * doc/invoke.texi: Documnet salias-max-implicit-fields.
7448         * tree-ssa-alias.c (struct used_part): Add implicit_uses and
7449         explicit_uses members.
7450         (get_or_create_used_part_for): Initialize new fields.
7451         (fieldoff_compare): New function.
7452         (create_overlap_variables_for): Count number of fields, use
7453         heuristic to determine whether to create subvars for vars with
7454         only implicit uses.
7455         Sort the field list by offset and avoid creating duplicate SFT's.
7456
7457 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
7458
7459         * c.opt (-F): Remove trailing whitespace from help string.
7460         (-finput-charset): Use a tab to separate the switch name and help
7461         string.
7462         * common.opt (-fsched-stalled-insns, -fsched-stalled-insns-dep)
7463         (-ftree-vectorizer-verbose): Likewise.
7464
7465 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
7466
7467         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Look at
7468         a PHI argument where a use occurs instead of all PHI arguments.
7469
7470 2005-04-06  Joseph S. Myers  <joseph@codesourcery.com>
7471
7472         * c-decl.c (finish_decl): Apply pending #pragma weak regardless of
7473         scope.
7474
7475 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
7476
7477         * cse.c, tree-flow-inline.h, tree-flow.h, tree-ssa-operands.c,
7478         tree-ssa-sink.c, tree.h, config/bfin/bfin.c,
7479         config/bfin/bfin.h: Fix comment typos.
7480
7481 2005-04-06  Ranjit Mathew  <rmathew@hotmail.com>
7482
7483         * doc/install.texi: Update the URL for Jacks.
7484         * doc/sourcebuild.texi: Likewise.
7485
7486 2005-04-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
7487
7488         PR target/17245
7489         * config/sparc/sparc.c (legitimate_address_p): Remove 'imm2'.
7490         Revert 2004-10-08 patch.  Reject TFmode LO_SUM in 32-bit mode.
7491
7492 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
7493
7494         * Makefile.in (LIBGCC2_CFLAGS): Revert -pipe change.
7495
7496 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
7497
7498         * config/v850/v850-protos.h (override_options): Delete.
7499         * config/v850/v850.h (target_flags, MASK_GHS, MASK_LONG_CALLS, MASK_EP)
7500         (MASK_PROLOG_FUNCTION, MASK_DEBUG, MASK_V850, MASK_V850E)
7501         (MASK_SMALL_SLD, MASK_BIG_SWITCH, MASK_NO_APP_REGS, MASK_DISABLE_CALLT)
7502         (MASK_STRICT_ALIGN, MASK_US_BIT_SET, MASK_US_MASK_SET, TARGET_GHS)
7503         (TARGET_LONG_CALLS, TARGET_EP, TARGET_PROLOG_FUNCTION, TARGET_V850)
7504         (TARGET_BIG_SWITCH, TARGET_DEBUG, TARGET_V850E, TARGET_US_BIT_SET)
7505         (TARGET_SMALL_SLD, TARGET_DISABLE_CALLT, TARGET_NO_APP_REGS)
7506         (TARGET_STRICT_ALIGN, TARGET_SWITCHES, TARGET_OPTIONS)
7507         (OVERRIDE_OPTIONS): Delete.
7508         (MASK_CPU): Redefine as MASK_V850 | MASK_V850E.
7509         (small_memory_info): Remove the value field.
7510         (CONDITIONAL_REGISTER_USAGE): Check !TARGET_APP_REGS rather than
7511         TARGET_NO_APP_REGS.
7512         * config/v850/v850.c (small_memory): Remove the value field.
7513         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
7514         (override_options): Delete.
7515         (v850_handle_memory_option, v850_handle_option): New functions.
7516         * config/v850/v850.opt: New file.
7517
7518 2005-04-06  Geoffrey Keating  <geoffk@apple.com>
7519
7520         * config.host: Add a section for generic hosts, and a subsection
7521         for Darwin.  Add a case for x86-darwin.  Update ppc-darwin case.
7522         * config/host-darwin.c: New, split out of config/rs6000/host-darwin.c.
7523         * config/host-darwin.h: New.
7524         * config/x-darwin: New.
7525         * config/i386/host-i386-darwin.c: New.
7526         * config/i386/x-darwin: New.
7527         * config/rs6000/host-darwin.c: Include host-darwin.h.
7528         (darwin_rs6000_gt_pch_get_address): Move to config/host-darwin.c.
7529         (darwin_rs6000_gt_pch_use_address): Likewise.
7530         * config/rs6000/x-darwin: Change name of .o built, update
7531         dependencies for changes to rs6000/host-darwin.c.
7532
7533 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
7534
7535         PR target/17824
7536         * config/c4x/c4x.h (ASM_PROG, LD_PROG): Remove.
7537
7538 2005-04-06  Dorit Naishlos  <dorit@il.ibm.com>
7539
7540         * tree-vect-analyze.c (vect_analyze_loop_form): Call
7541         split_loop_exit_edge instead of loop_split_edge_with.
7542
7543 2005-04-06  Paolo Bonzini  <bonzini@gnu.org>
7544
7545         * config/rs6000/altivec.md (UNSPEC_VSLW, UNSPEC_SUBS,
7546         UNSPEC_SET_VSCR): New constants, used throughout.
7547         (*andc3_v4sf): New.
7548         (altivec_vspltisb, altivec_vsplitish, altivec_vsplitisw):
7549         Replace with...
7550         (altivec_vspltis<VI_char>): ... this pattern, using
7551         a QImode const_int_operand for the immediate.
7552         (abs<mode>2, absv4sf2, altivec_abss_<mode>): Rewrite as
7553         define_expands.
7554
7555 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
7556
7557         PR target/17822
7558         * config/avr/t-avr (AR_FOR_TARGET,RANLIB_FOR_TARGET): Remove.
7559
7560 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
7561
7562         * Makefile.in (LIBGCC2_CFLAGS): Compile with -pipe.
7563
7564 2005-04-06  Ben Elliston  <bje@au.ibm.com>
7565
7566         * gcc.c: Correct comment about DEFAULT_SWITCH_TAKES_ARG and
7567         DEFAULT_WORD_SWITCH_TAKES_ARG which incorrectly reported these
7568         macros as living in "this file" and not gcc.h.
7569
7570 2005-04-06  Ben Elliston  <bje@au.ibm.com>
7571
7572         * doc/invoke.texi (Optimize Options): Mention -ftree-lrs, not
7573         -ftree-live_range_split.  Perhaps renamed at some point?
7574
7575 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
7576
7577         PR target/20625
7578         * tree-ssa-loop-ivopts.c (generic_type_for): New function.
7579         (add_candidate_1): Use generic_type_for instead of unsigned_type_for.
7580
7581 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
7582
7583         * tree-flow.h (number_of_iterations_cond): Declaration removed.
7584         * tree-ssa-loop-niter.c (number_of_iterations_cond): Made static.
7585         (number_of_iterations_special): New function.
7586         (number_of_iterations_exit): Use number_of_iterations_special.
7587         Use simplify_using_outer_evolutions only at -O3.
7588         (number_of_iterations_cond, tree_simplify_using_condition,
7589         simplify_using_initial_conditions, loop_niter_by_eval,
7590         compare_trees, can_count_iv_in_wider_type_bound,
7591         simplify_using_outer_evolutions): Use fold_build.
7592
7593 2005-04-05  Thomas Fitzsimmons  <fitzsim@redhat.com>
7594
7595         * doc/install.texi (Configuration): Document --with-java-home.
7596
7597 2005-04-05  Richard Henderson  <rth@redhat.com>
7598
7599         PR target/20342
7600         PR target/20447
7601         * config/i386/i386.c (print_operand): Handle vector zeros.
7602         (ix86_split_to_parts): Handle CONST_VECTOR.
7603         (ix86_hard_regno_mode_ok): Allow MMX modes in general regs.
7604         (ix86_modes_tieable_p): Use ix86_hard_regno_mode_ok to decide
7605         what modes to tie for MMX and SSE registers.
7606         * config/i386/i386.h (MMX_REG_MODE_P): Remove.
7607         * config/i386/i386.md: Extend move 0 -> xor peephole to apply
7608         to vector modes as well.
7609         * config/i386/predicates.md (const0_operand): Handle VOIDmode
7610         properly as an input mode.
7611
7612 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
7613
7614         * tree-ssa-operands.c (verify_abort): Use %p for pointers.
7615
7616 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
7617
7618         * tree-pretty-print.c (dump_generic_node): Use %p for pointer.
7619
7620 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
7621
7622         * config/i386/i386.c (init_cumulative_args): For -m32 -mfpmath=sse
7623         and local functions, set sse_nregs to 8 and float_in_sse.
7624         (function_arg_advance, function_arg): If float_in_sse, pass
7625         SFmode and DFmode arguments in SSE registers.
7626         * config/i386/i386.h (CUMULATIVE_ARGS): Add float_in_sse field.
7627
7628         * config/i386/i386.c (ix86_value_regno): Only optimize local functions
7629         of -funit-at-a-time.
7630
7631 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
7632
7633         * config/i386/i386-protos.h (ix86_function_value): Accept two
7634         arguments, like the target macro.
7635         * config/i386/i386.h (FUNCTION_VALUE): Pass both arguments.
7636         * config/i386/i386.c (ix86_function_value): Accept the second
7637         argument of the target macro.
7638         (ix86_function_ok_for_sibcall): Pass a function pointer to
7639         ix86_function_value.
7640         (ix86_function_value, ix86_libcall_value) [!TARGET_64BIT]: Adjust
7641         call to ix86_value_regno).
7642         (ix86_value_regno): Add support for returning floating point values
7643         in SSE registers.
7644
7645 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
7646
7647         PR tree-optimization/20076
7648         * tree-inline.c (inline_forbidden_p_1): Prevent inlining functions
7649         that call __builtin_return or __builtin_apply_args.
7650
7651 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
7652
7653         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use update_stmt.
7654         Use immediate use iterator.
7655         (stmt_is_bumper_for_loop): Use immediate use iterator.
7656         * predict.c (strip_builtin_expect): Use update_stmt.
7657         * tree-cfg.c (update_modified_stmts): New. Call update_stmt_if_modified
7658         on all elements of a STATEMENT_LIST.
7659         (bsi_insert_before, bsi_insert_after): Call update_modified_stmts.
7660         (bsi_remove): Remove imm_use links and mark the stmt as modified.
7661         (bsi_replace): Mark stmt as modified and the update it.
7662         * tree-complex.c (update_complex_assignment): Call mark_stmt_modified.
7663         (expand_complex_libcal): Call update_stmt.
7664         (expand_complex_comparison): Call mark_stmt_modified.
7665         (expand_complex_operations_1): Call update_stmt_if_modified.
7666         (expand_vector_operations_1): Call mark_stmt_modified.
7667         * tree-dfa.c (compute_immediate_uses, free_df_for_stmt, free_df,
7668         compute_immediate_uses_for_phi, compute_immediate_uses_for_stmt,
7669         add_immediate_use, redirect_immediate_use,
7670         redirect_immediate_uses, dump_immediate_uses, debug_immediate_uses,
7671         dump_immediate_uses_for, debug_immediate_uses_for): Delete.
7672         (mark_new_vars_to_rename): Call update_stmt.
7673         * tree-dump.c (dump_option_value_in): Add "stmtaddr".
7674         * tree-flow-inline.h (modify_stmt): Rename to mark_stmt_modified.
7675         Ignore PHI nodes.
7676         (unmodify_stmt): Delete.
7677         (update_stmt): New.  Force an update of a stmt.
7678         (update_stmt_if_modified): update a stmt if it is out of date.
7679         (get_stmt_operands): Verify stmt is NOT modified.
7680         (stmt_modified_p): Update comment.
7681         (delink_imm_use): Remove a use node from its immuse list.
7682         (link_imm_use_to_list): Link a use node to a specific list.
7683         (link_imm_use): Link a node to the correct list.
7684         (set_ssa_use_from_ptr): Set a use node to a specific value, and insert
7685         it in the correct list, if appropriate.
7686         (link_imm_use_stmt): Link a use node, and set the stmt pointer.
7687         (relink_imm_use): Link a use node in place of another node in a list.
7688         (relink_imm_use_stmt): LInk a node in place of another node, and set
7689         the stmt pointer.
7690         (end_safe_imm_use_traverse): New.  Terminate a safe immuse iterator.
7691         (end_safe_imm_use_p): New.  Check for the end of a safe immuse iterator.
7692         (first_safe_imm_use): New.  Initialize a safe immuse iterator.
7693         (next_safe_imm_use): New.  Proceed to next safe immuse iterator value.
7694         (end_readonly_imm_use_p): New.  Check for end of a fast immuse iterator.
7695         (first_readonly_imm_use): New.  Initialize a fast immuse iterator.
7696         (next_readonly_imm_use): New.  Get the next fast immuse iterator value.
7697         (has_zero_uses): New.  Return true if there are no uses of a var.
7698         (has_single_use): New.  Return true if there is only a single use of a
7699         variable.
7700         (single_imm_use): New.  Return the simgle immediate use.
7701         (num_imm_uses): New.  Return the number of immediate uses.
7702         (get_v_must_def_ops): Use is now a pointer.
7703         (use_operand_p, get_v_may_def_op_ptr, get_vuse_op_ptr,
7704         get_v_must_def_kill_ptr, get_phi_arg_def_ptr): Return the address of
7705         the use node.
7706         (get_immediate_uses, num_immediate_uses, immediate_use): Delete.
7707         (delink_stmt_imm_use): Delink all immuses from a stmt.
7708         (phi_arg_index_from_use): New.  Return a phi arg index for a use.
7709         * tree-flow.h (struct dataflow_d): Delete.
7710         (immediate_use_iterator_d): New.  Immediate use iterator struct.
7711         (FOR_EACH_IMM_USE_FAST): New.  Macro for read only immuse iteration.
7712         (FOR_EACH_IMM_USE_SAFE): New.  Macro for write-safe immuse iteration.
7713         (BREAK_FROM_SAFE_IMM_USE): New.  Macro for earlyu exit from write-safe
7714         iteration.
7715         (struct stmt_ann_d): Remove dataflow_t from struct.
7716         * tree-if-conv.c (tree_if_conversion).  Don't call free_df.
7717         (if_convertible_phi_p): Use FAST immuse iterator.
7718         (if_convertible_loop_p): Don't call compute_immediate_uses.
7719         (replace_phi_with_cond_modify_expr): Call update_stmt.
7720         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites): Call
7721         update_stmt_if_modified.
7722         (rewrite_all_into_ssa): Initialize ssa operands.
7723         * tree-loop-linear.c (linear_transform_loops): Don't call free_df or
7724         compute_immediate_uses.
7725         * tree-optimize.c (execute_todo): Call verify_ssa whenever the
7726         ssa_property is available.
7727         (execute_one_pass):  Change parameters passed to execute_todo.
7728         * tree-outof-ssa.c (rewrite_trees): Don't call modify_stmt.
7729         (remove_ssa_form): Call fini_ssa_operands.
7730         (insert_backedge_copies): Delete call to modify_stmt.
7731         * tree-phinodes.c (make_phi_node): Initialize use nodes.
7732         (release_phi_node): Delink any use nodes before releasing.
7733         (resize_phi_node): Relink any use nodes.
7734         (remove_phi_arg_num): Delink the use node.
7735         (remove_phi_node): Release the ssa_name AFTER releasing the phi node.
7736         (remove_all_phi_nodes_for): Release phi node first.
7737         * tree-pretty-print.c (dump_generic_node): Print stmt address.
7738         * tree-sra.c (mark_all_v_defs): Call update_stmt_if_modified.
7739         (scalarize_use, scalarize_copy): Call update_stmt.
7740         * tree-ssa-alias.c (compute_may_aliases): Update all modified stmts.
7741         (compute_points_to_and_addr_escape): Call mark_stmt_modified.
7742         * tree-ssa-cpp.c (need_imm_uses_for): Delete.
7743         (ccp_initialize): Remove call to compute_immediate_uses.
7744         (substitute_and_fold, execute_fold_all_builtins): Call update_stmt.
7745         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update all modified
7746         stmts.
7747         (simplify_cond_and_lookup_avail_expr): Call mark_stmt_modified.
7748         (simplify_switch_and_lookup_avail_expr): Call mark_stmt_modified.
7749         (eliminate_redundant_computations): Call mark_stmt_modified.
7750         (cprop_operand): Call mark_stmt_modified.
7751         (optimize_stmt): Call update_stmt_if_modified and mark_stmt_modified.
7752         * tree-ssa-dse.c (fix_phi_uses, fix_stmt_v_may_defs): Delete.
7753         (dse_optimize_stmt): Use new immuse interface.
7754         (tree_ssa_dse): Remove calls to compute_immediate_uses and free_df.
7755         * tree-ssa-forwprop.c (need_imm_uses_for): Delete.
7756         (substitute_single_use_vars): Use new immuse interface.
7757         (tree_ssa_forward_propagate_single_use_vars): Remove calls to free_df
7758         and compute_immediate_uses.
7759         * tree-ssa-loop-im.c (single_reachable_address): Use new immuse
7760         interface.
7761         (rewrite_mem_refs): Call update_stmt.
7762         (determine_lsm): Remove call to compute_imm_uses and free_df.
7763         * tree-ssa-loop-ivcanon.c (create_canonical_iv): Call update_stmt.
7764         (try_unroll_loop_completely): Call update_stmt.
7765         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call update_stmt.
7766         (rewrite_use_compare): Call update_stmt.
7767         (compute_phi_arg_on_exit): Insert each stmt before trying to process.
7768         (rewrite_use) : Call update_stmt.
7769         * tree-ssa-loop-manip.c (verify_loop_closed_ssa): Add arg to call.
7770         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Call
7771         update_stmt.
7772         * tree-ssa-operands.c (NULL_USE_OPERAND_P): Remove declaration.
7773         (allocate_use_optype, allocate_vuse_optype): Adjust allocation size.
7774         (free_uses, free_vuses, free_v_may_defs, free_v_must_defs): Delink
7775         use nodes.
7776         (initialize_vuse_operand): New.  Initialize a vuse operand.
7777         (initialize_v_may_def_operand): New.  Initialize a maydef operand.
7778         (initialize_v_must_def_operand): New.  Initialize a mustdef operand.
7779         (finalize_ssa_defs): Use stmt parameter.
7780         (correct_use_link): Ensure a use node is in the correct list, and has
7781         the correct stmt pointer.
7782         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_vuses,
7783         finalize_ssa_v_must_defs): Also initialize use nodes.
7784         (finalize_ssa_stmt_operands): Pass extra stmt operands.
7785         (build_ssa_operands): Seperate parsing from final operand construction.
7786         (parse_ssa_operands): New.  Parse entry point for operand building.
7787         (swap_tree_operands): New.  Swap 2 tree operands.
7788         (update_stmt_operands): Ranamed from get_stmt_operands.  Always builds
7789         operands.
7790         (get_expr_operands): Call swap_tree_operands when needed.
7791         (copy_virtual_operands): Use initialize routines for virtual use ops.
7792         (create_ssa_artficial_load_stmt): Add extra stmt parameter.
7793         (verify_abort): New.  Issue imm_use error.
7794         (verify_imm_links): New Verify imm_use links for a var.
7795         (dump_immediate_uses_for): New.  Dump imm_uses for a var to file.
7796         (dump_immediate_uses): New.  Dump imm_uses for all vars to file.
7797         (debug_immediate_uses): New.  Dump imm_uses for all vars to stderr.
7798         (debug_immediate_uses_for): New.  Dump imm_uses for a var to stderr.
7799         * tree-ssa-operands.h (struct use_operand_ptr): Delete.
7800         (NULL_USE_OPERAND_P) Define.
7801         (use_optype_d, v_def_use_operand_type, vuse_optype_d): Add immediate
7802         use node.
7803         (struct vuse_operand_type): New struct.
7804         (SET_USE): Call set_ssa_use_from_ptr.
7805         (USE_STMT): Define.
7806         (PHI_ARG_INDEX_FROM_USE): Define.
7807         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Set the phi
7808         argument via SET_USE, not PHI_ARG_DEF_TREE.
7809         * tree-ssa-pre.c (eliminate): Call update_stmt.
7810         * tree-ssa-propagate.c (cfg_blocks_get): Use imm_use iterators.  Don't
7811         call free_df.
7812         * tree-ssa-sink.c (all_immediate_uses_same_place): Use imm_use iterator.
7813         (nearest_common_dominator_of_uses): Use imm_use iterator.
7814         (statement_sink_location): Use imm_use iterator and interface.
7815         (execute_sink_code): Don't call compute_immediate_uses or free-df.
7816         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis): Use
7817         PHI_ARG_DEF, not PHI_ARG_DEF_TREE.
7818         * tree-ssa.c (verify_use, verify_phi_args): Verify some imm_use info.
7819         (verify_ssa): Ensure no stmt is marked modify after optimization pass
7820         if new parameter is true.
7821         (init_tree_ssa): Don't initialize operand cache here.
7822         (delete_tree_ssa): Don't destroy operand cache here.
7823         (propagate_into_addr): Pass in a use pointer, return true if anything
7824         was changed.
7825         (replace_immediate_uses): Use imm_use iterator, call update_stmt.
7826         (check_phi_redundancy): Use imm_use iterator.
7827         (kill_redundant_phi_nodes): Don't call compute_immediate_uses or
7828         free_df.
7829         * tree-ssanames.c (make_ssa_name): Initialize imm_use node.
7830         (release_ssa_name): Delink node and all elements in its imm_use list.
7831         * tree-tailcall.c (adjust_return_value): Call update_stmt.
7832         * tree-vect-analyze.c (vect_stmt_relevant_p): Use imm_use iterator.
7833         * tree-vectorizer.c (need_imm_uses_for): Delete.
7834         (vectorize_loops): Dont call compute_immediate_uses or free_df.
7835         * tree.h (struct ssa_imm_use_d): Define.
7836         (SSA_NAME_IMM_USE_NODE): Define.
7837         (struct tree_ssa_name): Add imm_use node.
7838         (PHI_DF): Delete.
7839         (PHI_ARG_IMM_USE_NODE): Define.
7840         (struct phi_arg_d): Add imm_use node.
7841         (struct tree_phi_node): Remove struct dataflow_d element.
7842         (TDF_STMTADDR): Define.
7843
7844 2005-04-05  Dale Johannesen  <dalej@apple.com>
7845
7846         * doc/invoke.texi (Optimization Options):  Remove
7847         duplicate -fcse-follow-jumps.  Add -fweb.
7848         (-ftree-lim):  Fix spelling (-ftree-loop-im, invariants).
7849         (-fivcanon):  Fix spelling (-ftree-loop-ivcanon).
7850
7851 2005-04-05  Per Bothner  <per@bothner.com>
7852
7853         * tree-ssa.c (execute_early_warn_uninitialized): Pass context node
7854         to talk_tree as 'data' parameter, rather than EXPR_LOCUS.
7855         (warn_uninit): Get EXPR_LOCUS from context now instead.
7856         This fixes a USE_MAPPED_LOCATION testsuite failure.
7857
7858         * tree-ssa.c (warn_uninitialized_var): Remove useless local.
7859
7860 2005-04-05  Per Bothner  <per@bothner.com>
7861
7862         * c-decl.c (finish_function): If USE_MAPPED_LOCATION set the location
7863         of the artification 'return 0' in main() to BUILTINS_LOCATION.
7864         * tree-cfg.c (remove_bb): Check that location isn't BUILTINS_LOCATION
7865         before warning.
7866
7867 2004-04-05  Devang Patel  <dpatel@apple.com>
7868
7869         * config/rs600/altivec.md (altivec_vsr<VI_char>): Rename to ..
7870         (lhsr<mode>3): ... new name.
7871         (altivec_vsra<VI_char>): Rename to ..
7872         (ashr<mode>3): ... new name.
7873         * config/rs6000/rs6000.c (builtin_description): Rename shift
7874         operations.
7875
7876 2004-04-05  Paolo Bonzini  <bonzini@gnu.org>
7877
7878         * combine.c (RTL_HOOKS_GEN_LOWPART_NO_EMIT): Use
7879         gen_lowpart_for_combine.
7880         * cse.c (gen_lowpart_if_possible): Move...
7881         * rtlhooks.c (gen_lowpart_if_possible): ... here.  Also try
7882         gen_lowpart_SUBREG.
7883         (gen_lowpart_no_emit_general): Use it.
7884
7885 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
7886
7887         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Undefine before
7888         overriding.
7889
7890 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
7891
7892         * system.h: Fix typo.
7893
7894 2005-04-05  Bernd Schmidt  <bernd.schmidt@analog.com>
7895
7896         * config/bfin/bfin-modes.def: New file.
7897         * config/bfin/bfin-protos.h: New file.
7898         * config/bfin/bfin.c: New file.
7899         * config/bfin/bfin.h: New file.
7900         * config/bfin/bfin.md: New file.
7901         * config/bfin/bfin.opt: New file.
7902         * config/bfin/crti.s: New file.
7903         * config/bfin/crtn.s: New file.
7904         * config/bfin/elf.h: New file.
7905         * config/bfin/lib1funcs.asm: New file.
7906         * config/bfin/predicates.md: New file.
7907         * config/bfin/t-bfin: New file.
7908         * config/bfin/t-bfin-elf: New file.
7909         * doc/extend.texi (exception_handler, kspisusp, nesting, nmi_handler):
7910         Document new attributes.
7911         (interrupt, interrupt_handler, saveall): Update documentation for
7912         these attributes.
7913         * doc/install.texi (Specific): Add entry for the Blackfin.
7914         * doc/invoke.texi (Blackfin Options): New section.
7915         * doc/md.texi (Blackfin family): New section to document constraints.
7916         * config.gcc: Add bfin*-* and bfin*-elf configurations.
7917
7918 2005-04-05  Olivier Hainque  <hainque@adacore.com>
7919
7920         * config/mips/iris6.h (DWARF_FRAME_RETURN_COLUMN): Redefine to
7921         match what the system unwinder expects.
7922         * config/mips/mips.c (mips_frame_set): If we're saving the return
7923         address register and the dwarf return address column number differs
7924         from the hard register number, adjust the note reg to refer to the
7925         former.
7926
7927 2004-04-05  Richard Sandiford  <rsandifo@redhat.com>
7928
7929         * config/mn10300/mn10300-protos.h (mn10300_override_options): Declare.
7930         * config/mn10300/mn10300.h (target_flags, TARGET_MULT_BUG)
7931         (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
7932         (processor_type): New enum.
7933         (mn10300_processor): New variable.
7934         (TARGET_AM33, TARGET_AM33_2): Redefine in terms of mn10300_processor.
7935         (PROCESSOR_DEFAULT, OVERRIDE_OPTIONS): New macros.
7936         * config/mn10300/linux.h (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
7937         (PROCESSOR_DEFAULT): New macro.
7938         * config/mn10300/mn10300.c (mn10300_processor): New variable.
7939         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
7940         (mn10300_handle_option, mn10300_override_options): New functions.
7941         * config/mn10300/mn10300.opt: New file.
7942
7943 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
7944             Sebastian Pop <sebastian.pop@cri.ensmp.fr>
7945
7946         PR tree-optimization/19903
7947         * tree-chrec.c (chrec_convert): Return chrec_dont_know for constants
7948         that don't fit in their type after conversion.
7949
7950 2005-04-05  Uros Bizjak <uros@kss-loka.si>
7951
7952         PR target/20421
7953         * config/i386/i386.md (frndintxf2_floor, frndintxf2_ceil)
7954         (frndintxf2_trunc, frndintxf2_mask_pm): Add FLAGS_REG clobber.
7955         Allocate local stack slots here.  Set ix86_optimize_mode_switching.
7956         flag here. Implement using define_insn_and_split.
7957         (frndintxf2_floor_i387, frndintxf2_ceil_i387, frndintxf2_trunc_i387)
7958         (frndintxf2_mask_pm_i387): New insn patterns.
7959         (floorsf2, floordf2, floorxf2): Remove local stack slot allocations.
7960         Do not set ix86_optimize_mode_switching flag.
7961         (ceilsf2, ceildf2, ceilxf2): Same.
7962         (btruncsf2, btruncdf2, btruncxf2): Same.
7963         (nearbyintsf2, nearbyintdf2, nearbyintxf2): Same.
7964
7965 2005-04-05  Ian Lance Taylor  <ian@airs.com>
7966
7967         PR debug/9963
7968         * config/i386/cygming.h (ASM_OUTPUT_EXTERNAL): Pass DECL to
7969         i386_pe_record_external_function.
7970         (i386_pe_record_external_function): Update declaration.
7971         * config/i386/winnt.c (struct extern_list): Add decl field.
7972         (i386_pe_record_external_function): Add decl parameter.
7973         (i386_pe_file_end): Check TREE_ASM_WRITTEN on decl, not
7974         identifier.
7975         * config/i386/i386-protos.h (i386_pe_record_external_function):
7976         Update declaration.
7977
7978 2005-04-05  Kazu Hirata  <kazu@cs.umass.edu>
7979
7980         * config/m68k/m68k-protos.h: Add a prototype for
7981         valid_dbcc_comparison_p_2.
7982         * config/m68k/m68k.c (not_sp_operand, symbolic_operand,
7983         extend_operator, const_uint32_operand, const_sint32_operand,
7984         general_src_operand, nonimmediate_src_operand,
7985         memory_src_operand, post_inc_operand, pre_dec_operand,
7986         pcrel_address): Move to predicates to predicates.md.
7987         * config/m68k/m68k.h (PREDICATE_CODES): Remove.
7988         * config/m68k/m68k.md: Include predicates.md.
7989         * config/m68k/predicates.md: New.
7990
7991 2005-04-04  Roger Sayle  <roger@eyesopen.com>
7992
7993         * config/i386/i386.md (*truncdfsf2_i387_1): New pattern.
7994
7995         * fold-const.c (maybe_lvalue_p): Delete orphaned comment.
7996
7997 2005-04-04  Ian Lance Taylor  <ian@airs.com>
7998
7999         * c-typeck.c (struct c_switch): Rename switch_stmt field to
8000         switch_expr.
8001         (c_start_case): Build SWITCH_EXPR, not SWITCH_STMT.
8002         (do_case): Use SWITCH_COND rather than SWITCH_STMT_COND.
8003         (c_finish_case): Use SWITCH_BODY rather than SWITCH_STMT_BODY.
8004         Call c_do_switch_expr_warnings rather than c_do_switch_warnings.
8005         * c-common.c (c_do_switch_warnings_1): New static function broken
8006         out of c_do_switch_warnings.
8007         (c_do_switch_warnings): Call c_do_switch_warnings_1.
8008         (c_do_switch_expr_warnings): New function.
8009         * c-common.h (c_do_switch_expr_warnings): Declare.
8010
8011 2005-04-04  David Edelsohn  <edelsohn@gnu.org>
8012             Daniel Jacobowitz  <dan@codesourcery.com>
8013
8014         * tree-eh.c (tree_could_trap_p): Allow non-constant floating point
8015         trapping divide.
8016         * rtlanal.c (may_trap_p): Same.
8017
8018 2005-04-04  Dale Johannesen  <dalej@apple.com>
8019
8020         * ChangeLog:  remove reference to ChangeLog.12.
8021
8022 2005-04-05  Hans-Peter Nilsson  <hp@axis.com>
8023
8024         CRIS epilogue as RTL.
8025         * config/cris/cris.md: Change all 0 in unspec 0 to
8026         CRIS_UNSPEC_PLT.
8027         (CRIS_UNSPEC_PLT, CRIS_UNSPEC_FRAME_DEALLOC): New constants.
8028         ("*cris_load_multiple", "cris_frame_deallocated_barrier"): New
8029         patterns.
8030         ("return"): Change to define_expand.  Call cris_expand_return for
8031         actual expansion.
8032         ("*return_expanded"): New pattern.
8033         ("epilogue"): New define_expand.
8034         * config/cris/cris.h (PREDICATE_CODES): Add
8035         cris_load_multiple_op.
8036         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Correct test for unspec
8037         type.
8038         (enum cris_retinsn_type): New.
8039         (struct machine_function): New member return_type.
8040         (TARGET_ASM_FUNCTION_EPILOGUE): Don't override.
8041         (cris_target_asm_function_epilogue): Remove, moving RTLified
8042         contents to...
8043         (cris_expand_epilogue): New function.
8044         (cris_reg_saved_in_regsave_area, cris_movem_load_rest_p,
8045         (cris_gen_movem_load, cris_load_multiple_op)
8046         (cris_return_address_on_stack_for_return, cris_expand_return): New
8047         functions.
8048         (cris_target_asm_function_prologue)
8049         (cris_initial_frame_pointer_offset): Call
8050         cris_reg_saved_in_regsave_area instead of complicated expression.
8051         Call cris_return_address_on_stack instead of an expression.
8052         (cris_print_operand) <case 'o', case 'O'>: New cases.
8053         (cris_return_address_on_stack): Change return-type to bool.
8054         (cris_simple_epilogue): Ditto.  Return false if registers are
8055         saved.
8056         * config/cris/cris-protos.h (cris_simple_epilogue)
8057         (cris_return_address_on_stack): Adjust prototype return type.
8058         (cris_gen_movem_load, cris_expand_epilogue, cris_expand_return)
8059         (cris_return_address_on_stack_for_return): New prototypes.
8060
8061 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
8062
8063         * config/frv/frv.h (PREDICATE_CODES): Add CONST to
8064         gpr_or_int12_operand.
8065
8066         * config/frv/frv-protos.h: Add a prototype to
8067         frv_legitimate_memory_operand and frv_const_unspec_p.
8068         (frv_unspec): Move from frv.c.
8069         * config/frv/frv.c (frv_unspec): Move to frv-protos.h.
8070         (frv_const_unspec_p, frv_legitimate_memory_operand_): Export.
8071         (ldd_address_operand, fdpic_fptr_operand, frv_load_operand,
8072         gpr_or_fpr_operand, gpr_or_int12_operand,
8073         gpr_fpr_or_int12_operand, fpr_or_int6_operand,
8074         gpr_or_int10_operand, gpr_or_int_operand, int12_operand,
8075         int6_operand, int5_operand, uint5_operand, uint4_operand,
8076         uint1_operand, int_2word_operand, uint16_operand,
8077         upper_int16_operand, integer_register_operand,
8078         gpr_no_subreg_operand, fpr_operand, even_reg_operand,
8079         odd_reg_operand, even_gpr_operand, odd_gpr_operand,
8080         quad_fpr_operand, even_fpr_operand, odd_fpr_operand,
8081         dbl_memory_one_insn_operand, dbl_memory_two_insn_operand,
8082         move_destination_operand, movcc_fp_destination_operand,
8083         frv_function_symbol_referenced_p, move_source_operand,
8084         condexec_dest_operand, condexec_source_operand,
8085         reg_or_0_operand, lr_operand, fdpic_operand, got12_operand,
8086         const_unspec_operand, gpr_or_memory_operand,
8087         gpr_or_memory_operand_with_scratch, fpr_or_memory_operand,
8088         icc_operand, fcc_operand, cc_operand, icr_operand,
8089         fcr_operand, cr_operand, call_operand, sibcall_operand,
8090         symbolic_operand, relational_operator,
8091         integer_relational_operator, float_relational_operator,
8092         ccr_eqne_operator, minmax_operator,
8093         condexec_si_binary_operator, condexec_si_media_operator,
8094         condexec_si_divide_operator, condexec_si_unary_operator,
8095         condexec_sf_conv_operator, condexec_sf_add_operator,
8096         condexec_memory_operand, intop_compare_operator, acc_operand,
8097         even_acc_operand, quad_acc_operand, accg_operand: Move to
8098         predicates.md.
8099         * config/frv/frv.h (PREDICATE_CODES): Remove.
8100         * config/frv/frv.md: Include predicates.md.
8101         * config/frv/predicates.md: New.
8102
8103 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
8104
8105         PR target/19537
8106         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on langhooks.h.
8107         * tree-ssa-loop-ivopts.c: Include langhooks.h.
8108         (add_standard_iv_candidates_for_size): New function, extracting code
8109         from add_standard_iv_candidates and parameterizing it by type size.
8110         (add_standard_iv_candidates): Use add_standard_iv_candidates_for_size.
8111
8112 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
8113
8114         * system.h (GCOV_SIZE_TYPE): Unposion.
8115         * gcov-io.h (GCOV_TYPE_NODE): Delete, replacing with...
8116         (GCOV_TYPE_SIZE): ...this new macro.
8117         * coverage.h (get_gcov_type, GCOV_TYPE_NODE): Declare.
8118         * coverage.c (get_gcov_type, get_gcov_unsigned_t): New functions.
8119         (rtl_coverage_counter_ref): Use GCOV_TYPE_SIZE.
8120         (build_fn_info_type, build_fn_info_value, build_ctr_info_type)
8121         (build_ctr_info_value, build_gcov_info): Use get_gcov_unsigned_t
8122         instead of unsigned_intSI_type_node.
8123         * rtl-profile.c (rtl_gen_interval_profiler, rtl_gen_pow2_profiler)
8124         (rtl_gen_one_value_profiler_no_edge_manipulation)
8125         (rtl_gen_const_delta_profiler): Use GCOV_TYPE_SIZE.
8126         * value-prof.c: Include coverage.h.
8127
8128 2005-04-02  Daniel Berlin  <dberlin@dberlin.org>
8129             Diego Novillo <dnovillo@redhat.com>
8130
8131         Fix PR tree-optimization/20703
8132         Fix PR tree-optimization/20725
8133
8134         * tree-ssa-pre.c (phi_translate): Handle tcc_comparison.
8135         (create_expression_by_pieces): Ditto.
8136         (valid_in_set): Ditto. Also handle tcc_declaration.
8137         (find_or_generate_expression): Handle comparison class.
8138         (insert_into_preds_of_block): Ditto.
8139         (insert_aux): Ditto.
8140         (create_value_expr_from): Handle comparison class, recursively
8141         handle reference nodes.
8142         (compute_avail): Handle comparison classes, rewrite a little cleaner.
8143         (execute_pre): Fix spacing.
8144         (do_fre): Renamed to execute_fre.
8145
8146 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
8147
8148         * doc/invoke.texi (SPARC options): Document that
8149         -mlittle-endian is not supported on Linux either.
8150
8151 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
8152
8153         PR target/4198
8154         PR target/12027
8155         * config.gcc (Obsolete configurations): Remove
8156         sparclite-*-coff*, sparclite-*-elf* and sparc86x-*-elf*.
8157         (sparclite-*-coff*): Delete.
8158         (sparclite-*-elf*): Likewise.
8159         (sparc86x-*-elf*): Likewise.
8160         (target_cpu_default) <sparc*-*-*>: Remove sparc86x.
8161         * config/sparc/lite.h: Delete.
8162         * config/sparc/litecoff.h: Likewise.
8163         * config/sparc/liteelf.h: Likewise.
8164         * config/sparc/sp86x-elf.h: Likewise.
8165         * config/sparc/t-sparclite: Likewise.
8166         * config/sparc/t-sp86x: Likewise.
8167
8168 2005-04-04  Adrian Straetling  <straetling@de.ibm.com>
8169
8170         * config/s390/s390-protos.h: (s390_comparison,
8171         s390_alc_comparison, s390_slb_comparison, const0_operand,
8172         consttable_operand, larl_operand, s_operand,
8173         shift_count_operand, bras_sym_operand, load_multiple_operation,
8174         store_multiple_operation, s390_plus_operand): Remove prototypes.
8175         (s390_legitimate_address_without_index_p): New prototype.
8176         * config/s390/s390.c: (SYMBOL_FLAG_ALIGN1, DISP_IN_RANGE): Move
8177         to s390.h.
8178         (s390_comparison, s390_alc_comparison, s390_slb_comparison,
8179         const0_operand, consttable_operand, larl_operand, s_operand,
8180         shift_count_operand, bras_sym_operand, load_multiple_operation,
8181         store_multiple_operation, s390_plus_operand): Move to
8182         predicates.md.
8183         (check_mode): Remove.
8184         (s390_branch_condition_mask): Remove 'static'. Move prototype to
8185         s390-protos.h.
8186         (s390_legitimate_address_without_index_p): New.
8187         * config/s390/s390.h (PREDICATE_CODES): Remove.
8188         * config/s390/s390.md: Include predicates.md.
8189         * config/s390/predicates.md: New.
8190
8191 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
8192
8193         PR target/20446
8194         * config/sparc/sparc.h (NEED_INDICATE_EXEC_STACK): Define to 0.
8195         * config/sparc/linux.h (TARGET_ASM_FILE_END): Delete.
8196         (NEED_INDICATE_EXEC_STACK): Define to 1.
8197         * config/sparc/linux64.h (TARGET_ASM_FILE_END): Delete.
8198         (NEED_INDICATE_EXEC_STACK): Define to 1.
8199         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Set to sparc_file_end.
8200         (add_pc_to_pic_symbol): Rename into pic_helper_symbol.
8201         (add_pc_to_pic_symbol_name): Rename into pic_helper_symbol_name.
8202         (pic_helper_emitted_p): New global.
8203         (emit_pic_helper): New function extracted from...
8204         (load_pic_register): ...here.  Add 'delay_pic_helper' parameter.
8205         Do not call emit_pic_helper if delay_pic_helper is true.
8206         (sparc_expand_prologue): Pass 'false' to load_pic_register.
8207         (sparc_output_mi_thunk): Pass 'true' to load_pic_register.
8208         (sparc_file_end): New function.
8209
8210 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
8211
8212         * config/mcore/mcore-protos.h: Remove the prototypes for
8213         mcore_arith_reg_operand, mcore_general_movsrc_operand,
8214         mcore_general_movdst_operand, mcore_reload_operand,
8215         mcore_arith_J_operand, mcore_arith_K_operand,
8216         mcore_arith_K_operand_not_0, mcore_arith_M_operand,
8217         mcore_arith_K_S_operand, mcore_arith_imm_operand,
8218         mcore_arith_any_imm_operand, mcore_arith_O_operand,
8219         mcore_literal_K_operand, mcore_addsub_operand,
8220         mcore_compare_operand, mcore_load_multiple_operation,
8221         mcore_store_multiple_operation, mcore_call_address_operand.
8222         Add a prototype for const_ok_for_mcore.
8223         * config/mcore/mcore.c (mcore_call_address_operand,
8224         mcore_general_movsrc_operand, mcore_general_movdst_operand,
8225         mcore_arith_reg_operand, mcore_reload_operand,
8226         mcore_arith_J_operand, mcore_arith_K_operand,
8227         mcore_arith_K_operand_not_0, mcore_arith_K_S_operand,
8228         mcore_arith_M_operand, mcore_arith_imm_operand,
8229         mcore_arith_any_imm_operand, mcore_arith_O_operand,
8230         mcore_literal_K_operand, mcore_addsub_operand,
8231         mcore_compare_operand, mcore_load_multiple_operation,
8232         mcore_store_multiple_operation): Move to predicates.md.
8233         (const_ok_for_mcore): Export.
8234         * config/mcore/mcore.h (PREDICATE_CODES): Remove.
8235         * config/mcore/mcore.md: Include predicates.md.
8236         * config/mcore/predicates.md: New.
8237
8238         * config/mcore/predicates.md: Fix a comment typo.
8239
8240 2005-04-04  Andreas Krebbel  <krebbel1@de.ibm.com>
8241             Adrian Straetling  <straetling@de.ibm.com>
8242
8243         * config/s390/2064.md ("z_mul", "z_inf"): New insn reservations.
8244         * config/s390/2084.md ("x_mul_hi", "x_mul_sidi", "x_div"): Likewise.
8245         * config/s390/s390.md ("imulhi", "imulsi", "imuldi"): Added to "type"
8246         attribute.
8247         ("imul"): Removed from "type" attribute.
8248         ("*muldi3_sign", "muldi3"): Changed type to imuldi.
8249         ("mulsi3/1", "mulsi3/3", "mulsi/4", "mulsidi3", "umulsidi3"):
8250         Changed type to imulsi.
8251         ("*mulsi3_sign", "mulsi3/2"): Changed type to imulhi.
8252
8253 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
8254
8255         * config/mcore/mcore.h (target_flags, HARDLIT_BIT, ALIGN8_BIT, DIV_BIT)
8256         (RELAX_IMM_BIT, W_FIELD_BIT, OVERALIGN_FUNC_BIT, CGDATA_BIT)
8257         (SLOW_BYTES_BIT, LITTLE_END_BIT, M340_BIT, TARGET_HARDLIT)
8258         (TARGET_DIV, TARGET_RELAX_IMM, TARGET_W_FIELD, TARGET_OVERALIGN_FUNC)
8259         (TARGET_CG_DATA, TARGET_SLOW_BYTES, TARGET_LITTLE_END, TARGET_M340)
8260         (TARGET_SWITCHES, mcore_stack_increment_string)
8261         (TARGET_OPTIONS): Delete.
8262         (TARGET_DEFAULT, OPTIMIZATION_OPTIONS): Use MASK_* constants rather
8263         than *_BIT constants.
8264         (TARGET_8ALIGN): #undef old definition before redefining to 1.
8265         * config/mcore/mcore.c (mcore_stack_increment_string): Delete.
8266         (TARGET_DEFAULT_TARGET_FLAGS): Override default to TARGET_DEFAULT.
8267         (mcore_override_options): Delete mcore_stack_increment code.
8268         Change use of M340_BIT to MASK_M340.
8269         * config/mcore/mcore.opt: New file.
8270
8271 2005-04-04  Ian Lance Taylor  <ian@airs.com>
8272
8273         * config/arm/arm.c (replace_symbols_in_block): Remove static
8274         function.
8275
8276 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
8277
8278         * config/fr30/fr30-protos.h: Remove the prototypes for
8279         stack_add_operand, add_immediate_operand,
8280         high_register_operand, low_register_operand, call_operand,
8281         di_operand, and nonimmediate_di_operand.
8282         * config/fr30/fr30.c (stack_add_operand,
8283         add_immediate_operand, high_register_operand,
8284         low_register_operand, call_operand, di_operand,
8285         nonimmediate_di_operand): Move to predicates.md.
8286         * config/fr30/fr30.h (PREDICATE_CODES): Remove.
8287         * config/fr30/fr30.md: Include predicates.md.
8288         * config/fr30/predicates.md: New.
8289
8290         * config/mcore/mcore.h (PREDICATE_CODES): Add SYMBOL_REF and
8291         LABEL_REF to mcore_general_movsrc_operand.  Add SYMBOL_REF to
8292         mcore_call_address_operand.
8293
8294         * config/sh/sh.h (PREDICATE_CODES): Add CONST to
8295         general_movsrc_operand.
8296
8297 2005-04-04  Alan Modra  <amodra@bigpond.net.au>
8298
8299         * passes.c (rest_of_handle_final): NULL unlikely_text_section_name
8300         after freeing.
8301
8302 2005-04-04  Richard Earnshaw  <richard.earnshaw@arm.com>
8303
8304         PR target/14812
8305         * arm.c (arm_select_cc_mode): Return CC_Zmode when comparing against
8306         a negated value.
8307
8308 2005-04-04  Richard Henderson  <rth@redhat.com>
8309             Jakub Jelinek  <jakub@redhat.com>
8310
8311         PR rtl-optimization/16104
8312         * fold-const.c (fold_unary): Fix folding of vector conversions.
8313
8314 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
8315
8316         * config.gcc (xstormy16-*-elf): Set extra_options.
8317         * config/stormy16/stormy16.h (target_flags, TARGET_SWITCHES): Delete.
8318         * config/stormy16/stormy16.opt: New file.
8319
8320 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
8321
8322         * config/pdp11/pdp11.h (target_flags, TARGET_SWITCHES, TARGET_DEFAULT)
8323         (TARGET_FPU, TARGET_SOFT_FLOAT, TARGET_AC0, TARGET_NO_AC0, TARGET_45)
8324         (TARGET_BCOPY_BUILTIN, TARGET_INT16, TARGET_INT32, TARGET_FLOAT32)
8325         (TARGET_FLOAT64, TARGET_ABSHI_BUILTIN, TARGET_BRANCH_EXPENSIVE)
8326         (TARGET_BRANCH_CHEAP, TARGET_SPLIT, TARGET_NOSPLIT)
8327         (TARGET_UNIX_ASM): Delete.
8328         (TARGET_40_PLUS): Redefine in terms of TARGET_40 and TARGET_45.
8329         * config/pdp11/2bsd.h (TARGET_UNIX_ASM_DEFAULT): Use MASK_UNIX_ASM.
8330         * config/pdp11/pdp11.c (pdp11_handle_option): New function.
8331         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
8332         * config/pdp11/pdp11.opt: New file.
8333
8334 2005-04-03  Roger Sayle  <roger@eyesopen.com>
8335             Alexandre Oliva  <aoliva@redhat.com>
8336
8337         PR c++/19199
8338         * fold-const.c (non_lvalue): Split tests into...
8339         (maybe_lvalue_p): New function.
8340         (fold_cond_expr_with_comparison): Preserve lvalue-ness for the
8341         C++ front-end prior to lowering into gimple form.
8342
8343 2005-04-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8344
8345         * builtins.def (BUILT_IN_STPNCPY, BUILT_IN_STRCASECMP,
8346         BUILT_IN_STRNCASECMP): New.
8347         * doc/extend.texi: Document stpncpy, strcasecmp, strncasecmp
8348         and strndup.
8349
8350 2005-04-03  Richard Earnshaw  <richard.earnshaw@arm.com>
8351
8352         PR target/14812
8353         * arm.md (addsi3_compare0_for_combiner): Delete.
8354         (addsi3_compare0_scratch_for_combiner): Delete.
8355         (cmpsi_neg_shiftsi): Delete.
8356         (compare_negsi_si): New pattern.
8357         (cmpsi_negshiftsi_si): New pattern.
8358         (negated_cbranchsi4): Restrict to equality_operator.
8359
8360         * arm.md (movhi_insn_arch4): delete trailing white space from assembler
8361         template.
8362
8363 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
8364
8365         * cfghooks.c, cfgrtl.c, modulo-sched.c, config/i386/winnt.c:
8366         Fix comment typos.
8367
8368         * doc/install.texi: Fix a typo.
8369
8370 2005-04-03  Steven Bosscher  <stevenb@suse.de>
8371
8372         PR middle-end/20648
8373         * bb-reorder.c (duplicate_computed_gotos): Do not unfactor
8374         a computed goto if the edge to the computed goto block has
8375         incoming abnormal edges.  Clarify how the function works.
8376
8377 2005-04-03  Nathan Sidwell  <nathan@codesourcery.com>
8378
8379         * params.c (set_param_value): Use gcc_assert & gcc_unreachable.
8380         * passes.c (open_dump_file, rest_of_handle_final): Likewise.
8381         * postreload-gcse.c (expr_equiv_p, oprs_unchanged_p,
8382         hash_scan_set, reg_set_between_after_reload_p,
8383         reg_used_between_after_reload_p, get_avail_load_store_reg,
8384         eliminate_partially_redundant_load): Likewise.
8385         * postreload.c (reload_cse_simplify_set,
8386         reload_combine_note_use): Likewise.
8387         * predict.c (predict_insn, expected_value_to_br_prob,
8388         propagate_freq, expensive_function_p): Likewise.
8389         * print-rtl.c (print_rtx): Likewise.
8390         * profile.c (instrument_edges, instrument_values,
8391         compute_branch_probabilities, branch_prob, union_groups,
8392         tree_register_profile_hooks, rtl_register_profile_hooks): Likewise.
8393         * protoize.c (in_system_include_dir, file_could_be_converted,
8394         file_normally_convertible, gen_aux_info_file, seek_to_line,
8395         do_cleaning): Likewise.
8396         * tree-ssa-alias.c (collect_points_to_info_r): Likewise.
8397         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
8398         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
8399
8400 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
8401
8402         * cfg.c (clear_bb_flags): Don't clear BB_DISABLE_SCHEDULE.
8403         * modulo-sched.c (undo_replace_buff_elem): New structure.
8404         (kernel_number_of_cycles, ps_unschedule_node,
8405         undo_generate_reg_moves,free_undo_replace_buff,
8406         undo_permute_partial_schedule,  loop_single_full_bb_p,
8407         SIMPLE_SMS_LOOP_P, loop_canon_p, canon_loop,
8408         build_loops_structure, get_sched_window): New.
8409         (generate_reg_moves): Return undo_replace_buff_elem and other
8410         fixes.
8411         (generate_prolog_epilog): Remove old loop versioning.
8412         (sms_schedule): Use loop information and loop_version.
8413         (sms_schedule_by_order): Split part of it to get_sched_window.
8414         * passes.c (rest_of_handle_sms): call cfg_layout_initialize
8415         cfg_layout_finalize and free_dominance_info before/after SMS.
8416
8417 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
8418
8419         * cfghooks.c (lv_flush_pending_stmts,
8420         cfg_hook_duplicate_loop_to_header_edge, extract_cond_bb_edges,
8421         lv_adjust_loop_header_phi, lv_add_condition_to_bb): New.
8422         * cfghooks.h (cfg_hook_duplicate_loop_to_header_edge,
8423         lv_add_condition_to_bb,
8424         lv_adjust_loop_header_phi, extract_cond_bb_edges,
8425         flush_pending_stmts): New in cfg_hooks structure.
8426         (cfg_hook_duplicate_loop_to_header_edge, lv_flush_pending_stmts,
8427         extract_cond_bb_edges, lv_adjust_loop_header_phi,
8428         lv_add_condition_to_bb): New declarations.
8429         * cfgloop.h (duplicate_loop_to_header_edge): Change return type to
8430         bool.
8431         (loop_version): Declare.
8432         * cfgloopmanip.c (cfghooks.h): Include.
8433         (duplicate_loop_to_header_edge): Change return type to bool.
8434         (loop_version, lv_adjust_loop_entry_edge): Move here.
8435         * cfgrtl.c (cfgloop.h): Include.
8436         (rtl_verify_flow_info_1): Fix.
8437         (rtl_lv_add_condition_to_bb, rtl_extract_cond_bb_edges): New.
8438         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add hooks to
8439         initialization.
8440         * tree-cfg.c (tree_lv_adjust_loop_header_phi,
8441         tree_lv_add_condition_to_bb): New.
8442         (tree_cfg_hooks): Add new hooks to initialization.
8443         * tree-ssa-loop-manip.c (lv_adjust_loop_header_phi,
8444         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Remove.
8445
8446 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
8447
8448         * config/stormy16/stormy16.h (PREDICATE_CODES): Add SUBREG to
8449         xstormy16_below100_or_register,
8450         xstormy16_splittable_below100_or_register, and
8451         nonimmediate_nonstack_operand.
8452
8453         * config/stormy16/stormy16-protos.h: Remove the prototypes for
8454         xstormy16_ineqsi_operator, equality_operator,
8455         inequality_operator, shift_operator,
8456         xstormy16_below100_operand, xstormy16_below100_or_register,
8457         xstormy16_splittable_below100_or_register,
8458         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand.
8459         * config/stormy16/stormy16.c (xstormy16_ineqsi_operator,
8460         equality_operator, inequality_operator,
8461         xstormy16_below100_operand, xstormy16_below100_or_register,
8462         xstormy16_splittable_below100_or_register,
8463         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand,
8464         nonimmediate_nonstack_operand, shift_operator): Move to
8465         predicates.md.
8466         * config/stormy16/stormy16.h (PREDICATE_CODES): Remove.
8467         * config/stormy16/stormy16.md: Include predicates.md.
8468         * config/stormy16/predicates.md: New.
8469
8470 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
8471
8472         * config/iq2000/iq2000.c (uns_arith_operand, arith_operand,
8473         small_int, large_int, reg_or_0_operand, simple_memory_operand,
8474         equality_op, cmp_op, pc_or_label_operand, call_insn_operand,
8475         move_operand, power_of_2_operand): Move to predicates.md.
8476         * config/iq2000/iq2000.h (SPECIAL_MODE_PREDICATES,
8477         PREDICATE_CODE): Remove.
8478         * config/iq2000/iq2000.md: Include predicates.md.
8479         * config/iq2000/predicates.md: New.
8480
8481 2005-04-02  Richard Sandiford  <rsandifo@redhat.com>
8482
8483         * config/m68hc11/m68hc11.h (target_flags, MASK_SHORT)
8484         (MASK_AUTO_INC_DEC, MASK_M6811, MASK_M6812, MASK_M68S12)
8485         (MASK_NO_DIRECT_MODE, MASK_MIN_MAX, MASK_LONG_CALLS)
8486         (TARGET_SHORT, TARGET_M6811, TARGET_M6812, TARGET_M68S12)
8487         (TARGET_AUTO_INC_DEC, TARGET_MIN_MAX, TARGET_NO_DIRECT_MODE)
8488         (TARGET_LONG_CALLS, TARGET_SWITCHES, TARGET_OPTIONS)
8489         (SUBTARGET_SWITCHES, SUBTARGET_OPTIONS, m68hc11_regparm_string)
8490         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
8491         (TARGET_M68HC11): Delete.
8492         (TARGET_DEFAULT): Change the default setting from MASK_M6811 to 0.
8493         * config/m68hc11/m68hc12.h (TARGET_M68HC12): Delete.
8494         * config/m68hc11/m68hc11.c (m68hc11_regparm_string)
8495         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
8496         (nb_soft_regs): Delete.
8497         (TARGET_DEFAULT_TARGET_FLAGS): Override default with TARGET_DEFAULT.
8498         (m68hc11_override_options): Remove the code that caters for MASK_M6811
8499         and MASK_M6812 being set simultaneously.  Change the code that sets
8500         the default m68hc11_soft_reg_count to use integers instead of strings.
8501         (m68hc11_conditional_register_usage, hard_regno_mode_ok): Use
8502         m68hc11_soft_reg_count (which now has an int type) as the number
8503         of soft registers.
8504         * config/m68hc11/m68hc11.opt: New file.
8505
8506 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
8507
8508         * config/fr30/fr30.h (PREDICATE_CODES): Remove
8509         fp_displacement_operand, sp_displacement_operand.
8510
8511         * config/m68hc11/m68hc11-protos.h: Add a prototype for
8512         m68hcc_auto_inc_p.
8513         Remove the prototypes for tst_operand, cmp_operand,
8514         stack_register_operand, d_register_operand,
8515         hard_addr_reg_operand, splitable_operand,
8516         m68hc11_logical_operator, m68hc11_arith_operator,
8517         m68hc11_non_shift_operator, m68hc11_shift_operator,
8518         m68hc11_unary_operator, m68hc11_eq_compare_operator,
8519         non_push_operand, hard_reg_operand, and
8520         reg_or_some_mem_operand.
8521         * config/m68hc11/m68hc11.c (m68hcc_auto_inc_p): Make it
8522         extern.
8523         (tst_operand, cmp_operand, non_push_operand,
8524         splitable_operand, reg_or_some_mem_operand,
8525         stack_register_operand, d_register_operand,
8526         hard_addr_reg_operand, hard_reg_operand,
8527         m68hc11_eq_compare_operator, m68hc11_logical_operator,
8528         m68hc11_arith_operator, m68hc11_non_shift_operator,
8529         m68hc11_shift_operator, m68hc11_unary_operator): Move to
8530         predicates.md.
8531         * config/m68hc11/m68hc11.h (PREDICATE_CODES): Remove.
8532         * config/m68hc11/m68hc11.md: Include predicates.md.
8533         * config/m68hc11/predicates.md: New.
8534
8535 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
8536
8537         PR debug/19345
8538         * dwarf2out.c (add_abstract_origin_attribute): Revert accidental
8539         change checked in along with 2005-03-03's patch for debug/20253.
8540         * tree-inline.c (remap_type): Remap TYPE_STUB_DECL.
8541         (remap_decl): Insert type decl in map earlier.
8542
8543 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
8544
8545         PR tree-optimization/20640
8546         * tree-ssa-dce.c (remove_dead_stmt): Don't redirect edge to
8547         post-dominator if it has phi nodes.
8548         (eliminate_unnecessary_stmts): Remove dead phis in all blocks
8549         before dead statements.
8550
8551 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
8552
8553         PR middle-end/20491
8554         * final.c (alter_subreg): Don't call subreg_regno for a non-REG.
8555
8556 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
8557
8558         PR rtl-optimization/20290
8559         * loop.c (for_each_insn_in_loop): Don't assume the loop body runs
8560         in every iteration if the entry point is the exit test.
8561
8562 2005-04-02  Hans-Peter Nilsson  <hp@axis.com>
8563
8564         * config/cris/cris.md (attribute "length"): Define.
8565
8566 2005-04-02  Geoffrey Keating  <geoffk@apple.com>
8567
8568         * config/rs6000/predicates.md (indexed_or_indirect_operand): New.
8569         (word_offset_memref_operand): New.
8570         * config/rs6000/rs6000-protos.h (word_offset_memref_operand): Delete.
8571         (indexed_or_indirect_operand): Delete.
8572         * config/rs6000/rs6000.c (word_offset_memref_operand): Delete.
8573         (indexed_or_indirect_operand): Delete.
8574
8575         * config/rs6000/t-darwin8: Comment out ppc64 multilib.
8576
8577         PR 20650
8578         * config/rs6000/rs6000.md (fix_truncdfsi2): Make destination
8579         a register.
8580
8581         * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Add -pipe.
8582         * config/t-darwin (TARGET_LIBGCC2_CFLAGS): Likewise.
8583
8584 2005-04-01  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
8585
8586         * gcc/config/vax/vax.md: Spellcheck, fix whitespace.
8587
8588 2005-04-01  Ian Lance Taylor  <ian@airs.com>
8589
8590         * gcc.c: Don't include <sys/resource.h> or declare getrusage.
8591         (rus, prus): Remove static variables.
8592         (execute): Use pex_run/pex_get_status rather than pexecute/pwait.
8593         (process_command): Permit report_times and use_pipes together.
8594
8595 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
8596
8597         * c-decl.c (validate_proto_after_old_defn): Look at
8598         TYPE_MAIN_VARIANT of argument types.
8599
8600 2005-04-01  Paul Brook  <paul@codesourcery.com>
8601
8602         * config/arm/arm.c (thumb_call_via_label): Include space for SP.
8603         (arm_output_function_epilogue): Allow call_via_SP.
8604         (thumb_call_via_reg, arm_file_end): Ditto.
8605         * config/arm/arm.h (struct machine_function): Include space for SP.
8606         (thumb_call_via_label): Update declaration.
8607
8608 2005-04-01  Ian Lance Taylor  <ian@airs.com>
8609
8610         * final.c (final_scan_insn): Revert part of 2005-03-30 patch: when
8611         doing a peephole optimization, once again put any notes in the
8612         proper position.
8613
8614 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
8615
8616         * bb-reorder.c, fold-const.c, varasm.c: Fix comment typos.
8617
8618 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
8619
8620         * local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
8621         (block_alloc, find_free_reg): Likewise.
8622         * loop-doloop.c (doloop_modify): Likewise.
8623         * loop-invariant.c (record_use): Likewise.
8624         * loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
8625         get_iv_value, canon_condition, eliminate_implied_condition,
8626         eliminate_implied_condition, simplify_using_initial_values,
8627         shorten_into_mode, canonicalize_iv_subregs,
8628         iv_number_of_iterations): Likewise.
8629         * loop-unroll.c (expand_var_during_unrolling): Likewise.
8630         * loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
8631         unswitch_loop): Likewise.
8632         * loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
8633         move_movables, replace_call_address, find_and_verify_loops,
8634         rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
8635         record_giv, final_giv_value, general_induction_var,
8636         simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
8637         loop_giv_dump): Likewise.
8638
8639         * gcov-io.h (GCOV_CHECK, GCOV_CHECK_READING,
8640         GCOV_CHECK_WRITING): Remove.
8641         (gcov_position, gcov_rewrite): Use gcc_assert.
8642         * gcov-io.c (gcov_open, gcov_write_words, gcov_write_length,
8643         gcov_read_words, gcov_sync, gcov_seek): Use gcc_assert.
8644         * libgcov.c (__gcov_merge_single, __gcov_merge_delta): Use
8645         gcc_assert.
8646
8647 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
8648
8649         * tree-inline.c: Fix a typo.
8650
8651 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
8652
8653         * configure.ac (enable-checking): Explicitly set all variables for
8654         collective switch values.  Alphabetize variables. Rename
8655         ac_checking_valgrind to ac_valgrind_checking.  Allow 'none' as
8656         synonym for 'no'.
8657         * doc/install.texi (enable-checking): Update documentation.
8658         * configure: Rebuilt.
8659
8660 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
8661
8662         * tree-inline.c (copy_body_r): Use CONSTANT_CLASS_P where
8663         possible.
8664
8665 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
8666
8667         * arm.c (adjacent_mem_locations): Reject volatile memory refs.
8668         Also reject cases where this pattern will cause load delay stalls
8669         unless optimizing for size and it will produce a shorter sequence.
8670         * arm.md (arith_adjacent_mem): Make better use of ldm addressing
8671         variants to avoid pre-adjusting the base when possible.
8672
8673 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
8674
8675         * arm.md (minmax_arithsi): Reject all eliminable registers, not just
8676         the frame and argument pointers.
8677         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec): Likewise.
8678         (loadqisi_preinc, loadqisi_predec, strsi_preinc): Likewise.
8679         (strsi_predec, loadsi_preinc, loadsi_predec): Likewise.
8680         (strqi_shiftpreinc, strqi_shiftpredec, loadqi_shiftpreinc): Likewise.
8681         (loadqi_shiftpredec, strsi_shiftpreinc, strsi_shiftpredec): Likewise.
8682         (loadsi_shiftpreinc, loadsi_shiftpredec): Likewise.
8683
8684 2005-04-01  Danny Smith  <dannysmith@users.sourceforge.net>
8685
8686         * config/i386/cygming.h (SUBTARGET_ATTRIBUTE_TABLE): Define,
8687         with entry for selectany attribute.
8688         * config/i386/i386-protos.h (ix86_handle_selectany_attribute):
8689         Declare.
8690         * config/i386/winnt.c (ix86_handle_selectany_attribute): Define.
8691         (i386_pe_asm_named_section): Handle sections generated by
8692         selectany attribute.
8693         * doc/extend.texi (selectany): Document attribute.
8694
8695 2005-04-01  Paolo Bonzini  <bonzini@gnu.org>
8696             Jan Hubicka  <jh@suse.cz>
8697
8698         * config/i386/i386.c (ix86_decompose_address): Look inside SUBREGs
8699         to fix addresses involving EBP and ESP.
8700         (aligned_operand, legitimate_address_p, ix86_address_cost): Be prepared
8701         for SUBREGed registers.
8702         (legitimate_address_p): Accept SUBREGed registers.
8703
8704 2005-04-01  Jakub Jelinek  <jakub@redhat.com>
8705
8706         PR c++/19406
8707         * dwarf2out.c (gen_type_die_for_member): Handle FIELD_DECL.
8708         (dwarf2out_imported_module_or_decl): Use gen_type_die_for_member
8709         for FIELD_DECLs.
8710
8711 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
8712
8713         * doc/contrib.texi, doc/invoke.texi, doc/tm.texi: Fix typos.
8714
8715 2005-04-01  James E Wilson  <wilson@specifixinc.com>
8716
8717         PR c++/20505
8718         * dwarf2out.c (rtl_for_decl_init): New function.
8719         (rtl_for_decl_location): Extracted from here.
8720         (tree_add_const_value_attribute): Call rtl_for_decl_init and
8721         add_const_value_attribute.  Delete initializer_constant_valid_p call.
8722
8723 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
8724
8725         * cgraphunit.c, dbxout.c, flow.c, gcse.c, gimplify.c,
8726         lambda-code.c, loop.c, machmode.def, mips-tfile.c,
8727         modulo-sched.c, passes.c, postreload-gcse.c, tree-eh.c,
8728         tree-ssa-ccp.c, varasm.c, config/frv/frv.c, config/frv/frv.h,
8729         config/frv/frv.md, config/i386/i386.c, config/i386/i386.h,
8730         config/i386/i386.md, config/rs6000/predicates.md,
8731         config/rs6000/rs6000.c, config/s390/fixdfdi.h,
8732         config/s390/s390.c, config/stormy16/stormy16.c,
8733         config/stormy16/stormy16.md, config/vax/vax.md: Fix comment
8734         typos.
8735
8736 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
8737
8738         PR c/17855
8739         * gimplify.c (gimplify_expr): Create a temporary for lvalue
8740         COND_EXPR and CALL_EXPR.
8741
8742 2005-03-31  Vladimir Makarov  <vmakarov@redhat.com>
8743
8744         PR target/20632
8745         * genautomata.c (first_cycle_unit_presence): Check all alternative
8746         states for unit presence.
8747
8748         * doc/md.texi: Remove remark about impossibility to query unit
8749         presence in non nondeterministic automaton state.
8750
8751         * config/ia64/ia64.c (get_template): Change order of unit querying.
8752
8753 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
8754
8755         * tree-ssa-dom.c (cprop_into_successor_phis): Remove an
8756         obsolete comment.
8757
8758 2005-03-31  Zdenek Dvorak  <dvorakz@suse.cz>
8759
8760         * cfgloopanal.c (mark_loop_exit_edges): Clean EDGE_LOOP_EXIT
8761         flag for edges outside any loops.
8762
8763 2005-03-31  Janis Johnson  <janis187@us.ibm.com>
8764
8765         * doc/sourcebuild.texi (Test Directives): Describe cleanup-* procs.
8766
8767 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
8768
8769         * tree-ssa-alias.c: Follow spelling conventions.
8770         * doc/tree-ssa.texi: Fix a typo.
8771
8772 2005-03-31  J"orn Rennecke <joern.rennecke@st.com>
8773
8774         * postreload-gcse.c: Include target.h.
8775         (gcse_after_reload_main): Return early if we cannot modify jumps.
8776         * Makefile.in (postreload-gcse.o): Depend on $(TARGET_H).
8777
8778 2005-03-31  David Edelsohn  <edelsohn@gnu.org>
8779
8780         * tree-ssa-loop-im.c (stmt_cost): Add RDIV_EXPR to list of
8781         expensive operations.
8782
8783 2005-03-31  Ian Lance Taylor  <ian@airs.com>
8784
8785         * collect2.c (lderrout): New variable.
8786         (collect_exit): Dump ldout to stdout.  Dump and unlink lderrout,
8787         if it is set, to stderr.
8788         (handler): Unlink lderrout if it is set.
8789         (dump_file): Add "to" parameter.  Change all callers.
8790         (main): Initialize lderrout.
8791         (collect_execute): Add errname parameter.  Change all callers.
8792         Rename redir parameter to outname.  Never pass
8793         PEX_STDERR_TO_STDOUT to pex_run.
8794         * collect2.h (collect_execute, dump_file): Update declarations.
8795         * tlink.c (tlink_execute): Add errname parameter.  Change all
8796         callers.
8797         (do_tlink): Check lderrout as well as ldout.
8798
8799 2005-03-31  Caroline Tice  <ctice@apple.com>
8800
8801         * Makefile.in (varasm.o): Add basic-block.h to list of requirements.
8802         (bb-reorder.o): Add errors.h to list of requirements.
8803         (STAGEFEEDBACK_FLAGS_TO_PASS): Add -freorder-blocks-and-partition to
8804         profiledbootstrap flags.
8805         * bb-reorder.c (errors.h): Add new include.
8806         (struct bbro_basic_block_data_def): Add new field, in_trace.
8807         (add_unlikely_executed_notes):  Remove function.
8808         (mark_bb_for_unlikely_executed_section): Remove function.
8809         (insert_section_boundary_note): New function.
8810         (verify_hot_cold_block_grouping): New function.
8811         (push_to_next_round_p): Remove variables and tests that push all
8812         cold blocks to last round.
8813         (find_traces): Remove code that added extra round of trace finding
8814         when doing partitioning.
8815         (find_traces_1_round) :  Remove variable last_round;  add code to
8816         update new struct field, in_trace; correct trace_length where it was
8817         incorrect before (after call to copy_bb); change code that pushed all
8818         cold blocks to last round. Instead verify that all blocks going into
8819         a trace belong in the same partition.
8820         (connect_traces): Modify to connect the traces in two passes, if the
8821         function contains both hot and cold blocks.  The first pass connects
8822         all the traces for blocks in the partition that the first block in
8823         the function belongs to; the second pass connnects all the traces
8824         containing blocks that belong in the other partition.
8825         (find_rarely_executed_basic_blocks_and_crossing_edges):  Remove
8826         code that automatically put the first block in a function into the
8827         hot partition if the function had any hot blocks.
8828         (fix_crossing_unconditional_branches): Check number of succ edges
8829         before attempting to get one.
8830         (fix_edges_for_rarely_executed_code):  Update comment describing
8831         function.
8832         (reorder_basic_blocks):  Add code to initialize new field (in_trace);
8833         remove call to add_unlikely_executed_notes; add call to
8834         verify_hot_cold_block_grouping.
8835         (duplicate_computed_gotos): Don't change computed goto if it's a
8836         crossing edge.
8837         (partition_hot_cold_basic_blocks):  Update function comment.
8838         * cfgcleanup.c (try_simplify_condjump): Remove redundacy from
8839         condition.
8840         (try_forward_edges): Likewise.
8841         (merge_blocks_move_predecessor_nojumps): Likewise.
8842         (merge_blocks_move_successor_nojumps): Likewise.
8843         (merge_blocks_move): Likewise.
8844         (try_crossjump_bb): Likewise.
8845         * cfglayout.c (update_unlikely_executed_notes): Remove function.
8846         (fixup_reorder_chain): Remove code for adding UNLIKELY_EXECUTED_CODE
8847         notes to cold bb's; remove call to update_unlikely_executed_notes.
8848         (duplicate_insn_chain):  change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
8849         NOTE_INSN_SWITCH_TEXT_SECTIONS.
8850         * cfglayout.h (scan_ahead_for_unlikely_executed_note): Remove
8851         function declaration.
8852         * cfgrtl.c (can_delete_note_p): Remove UNLIKELY_EXECUTED_CODE note
8853         from consideration.
8854         (rtl_can_merge_blocks): Remove redundancy from condition.
8855         (try_redirect_by_replacing_jump): Likewise.
8856         (force_nonfallthru_and_redirect): Remove code for adding
8857         UNLIKELY_EXECUTED_CODE notes to cold bb's.
8858         (commit_one_edge_insertion): Likewise.
8859         (cfg_layout_can_merge_blocks_p): Remove redundancy from condition.
8860         * dbxout.c (FORCE_TEXT): Replace function_section with
8861         current_function_section.
8862         (struct dbx_debug_h): Add do_nothing function for new debug_hooks
8863         function, switch_text_section.
8864         (struct xcoff_debug): Likewise.
8865         (dbxout_function_end): Add code to put out label diffs for both
8866         hot and cold sections.
8867         * debug.c (struct do_nothing_debug_hooks): Add do_nothing function
8868         for new debug_hooks funciton, switch_text_section..
8869         * debug.h (struct gcc_debug_hooks):  Add new function to debug_hooks,
8870         switch_text_section.
8871         * dwarf2out.c (struct dw_fde_struct):  Add five new fields:
8872         dw_fde_hot_section_label, dw_fde_hot_section_end_label,
8873         dw_fde_unlikely_section_label, dw_fde_unlikely_section_end_label and
8874         dw_fde_switched_sections.
8875         (output_call_frame_info):  Add test to see if function switches text
8876         sections in the middle; if so, use appropriate extra hot and cold
8877         section labels to compute size deltas for the hot and cold sections.
8878         (dwarf2out_begin_prologue): Add code to initialize new fields in
8879         dw_fde_struct.
8880         (dwarf2out_switch_text_section): New function (invoked through
8881         debug_hook); updates new fields in dw_fde_struct appropriately and
8882         increments separate_line_info_table_in_use.
8883         (dwarf2_debug_hooks): Initialize switch_text_section function to be
8884         dwarf2out_switch_text_section.
8885         (struct var_loc_node): Add new field, section_label.
8886         (output_aranges): Add code to check whether in hot or cold section and
8887         use the appropriate label in calculating deltas.
8888         (output_ranges): Likewise.
8889         (output_line_info): Add code to check which section we're in and
8890         use appropriate hot/cold label.
8891         (add_location_or_constant_value_attribute): Likewise.
8892         (gen_subprogam_die): Modify arange attributes to use correct labels.
8893         (dwarf2out_begin_block): Change call to function_section into call to
8894         current_function_section.
8895         (dwarf2out_end_block): Likewise.
8896         (dwarf2out_source_line): Likewise.
8897         (dwarf2out_var_location): Add code to check whether in hot or cold
8898         section and use the appropriate label.
8899         * except.c (output_function_exception_table): Change call to
8900         function_section into call to current_function_section.
8901         * final.c (profile_function): Likewise.
8902         (scan_ahead_for_unlikely_executed_note): Remove function.
8903         (final_scan_insn):  Remove calls to
8904         scan_ahead_for_unlikely_executed_note, and related code for switching
8905         to cold section, except for the single time
8906         NOTE_INSN_SWITCH_TEXT_SECTIONS may be encountered;  add calls to
8907         debug_hooks->switch_text_sections; replace appropriate calls to
8908         function_section with calls to current_function_section.
8909         * ifcvt.c (find_if_case_1): Remove redundancy from condition, add
8910         test_bb to condition.
8911         (find_if_case_2): Likewise.
8912         * insn-notes.def: Change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
8913         NOTE_INSN_SWITCH_TEXT_SECTIONS.  Update comment appropriately.
8914         * opts.c (decode_options): Change warning about hot/cold partitioning
8915         with exceptionss to inform (so as not to cause bootstrap failures);
8916         remove warning about partitioning with DWARF debug info.
8917         * output.h (current_function_section): Add new function decl.
8918         (insert_section_boundary_note): Likewise.
8919         (enum in_section): Move this declaration here from varasm.c.
8920         (unlikely_section_label): Likewise.
8921         (unlikely_text_section_name): Likewise.
8922         (last_text_section_name): New global variable.
8923         (last_text_section): Likewise.
8924         (hot_section_label): Likewise.
8925         (hot_section_end_label): Likewise.
8926         (cold_section_end_label): Likewise.
8927         * passes.c (rest_of_handle_final): Free unlikely_text_section_name.
8928         * print-rtl.c (print_rtx): Change NOTE_INSN_UNLIKELY_EXECUTED_CODE
8929         to NOTE_INSN_SWITCH_TEXT_SECTIONS.
8930         * reg-stack.c (emit_swap_insn): Remove UNLIKELY_EXECUTED_CODE note
8931         insn from consideration.
8932         * sdbout.c (sdb_debug_hooks): Add do_nothing for new function,
8933         switch_text_section.
8934         * varasm.c (basic-block.h): Add new include.
8935         (unlikely_section_label_printed): Remove global variable.
8936         (unlikely_section_label): Make global variable not be static any more.
8937         (unlikely_text_section_name): Likewise.
8938         (hot_section_end_label): New global variable (not static)
8939         (first_function_block_is_cold): Likewise.
8940         (hot_section_label): Likewise.
8941         (cold_section_end_label): Likewise..
8942         (last_text_section): New global variable, not static.
8943         (last_text_section_name): New global variable, not static.
8944         (initialize_cold_section_name): New function.
8945         (enum in_section): Move declaration to output.h.
8946         (text_section): Update last_text_section.
8947         (unlikely_text_section): Replace code to determine cold section name
8948         with call to initialize_cold_section_name; Add code to update
8949         last_text_section; remove code for printing out label.
8950         (named_section_real): Add code to update last_text_section and
8951         last_text_section_name as appropriate.
8952         (function_section): Change test for 'unlikely' to depend on
8953         first_function_block_is_cold (moved old test to
8954         current_function_section).
8955         (current_function_section): New function.
8956         (assemble_start_function): Move code that frees
8957         unlikely_text_section_name; initialize hot_section_end_label;
8958         print hot and cold section labels at the start of the function;
8959         set first_function_block_is_cold, if appropriate; initialize l
8960         ast_text_section; add call to insert_section_boundary_note.
8961         (assemble_end_function):  Add code to write out hot and cold section
8962         end labels.
8963         *vmsdbgout.c (vmsdbg_debug_hooks): Add do_nothing for new function,
8964         switch_text_section.
8965         * config/darwin.c (machopic_select_section): Replace incorrect
8966         function in base_funs; update reloc for cold sections if necessary.
8967         * config/darwin.h (SECTION_FUNCTION):  Add code to update
8968         last_text_section if appropriate.
8969         (text_unlikely_section): Remove.
8970         * config/sparc/sparc.c (sparc_output_deferred_case_vectors): Likewise.
8971         * config/stormy16/stormy16.c (stormy_16_output_addr_vec): Likewise.
8972         * config/xtensa/xtensa.c (override_options): Turn off hot/cold
8973         partitioning for this architecture.
8974
8975 2005-03-31  Olivier Hainque  <hainque@adacore.com>
8976
8977         * dwarf2out.c (dwarf2out_frame_finish): Honor DWARF2_FRAME_INFO
8978         defined and non-zero.
8979
8980 2005-03-31  Gabriel Dos Reis  <gdr@integrable-solutions.net>
8981
8982         PR c++/18644
8983         * doc/invoke.texi (-Wsynth): Don't document, as it now is void of
8984         semantics.
8985
8986 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
8987
8988         PR target/20611
8989         * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Remove inline
8990         label operand.  Remove (use (unspec..)).  Don't emit a label on
8991         the offset word.
8992         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Don't
8993         generate inline label for load_toc_v4_PIC_1b.
8994         (rs6000_emit_load_toc_table): Likewise.
8995
8996 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
8997
8998         * config.gcc: Obsolete i860-*-sysv4*, ip2k-*-elf,
8999         ns32k-*-netbsdelf*, and ns32k-*-netbsd*.
9000
9001 2005-03-29  Devang Patel  <dpatel@apple.com>
9002
9003         * tree-sra.c (decide_block_copy): Disable scalarization of
9004         sub-elements.
9005
9006 2005-03-30  Stuart Hastings  <stuart@apple.com>
9007             Dale Johannesen  <dalej@apple.com>
9008
9009         * Makefile.in (print-tree.o):  Depend on tree-iterator.h.
9010         * print-tree.c (print_node):  Add case STATEMENT_LIST.
9011
9012 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
9013
9014         * config.gcc (cpu_is_64bit): Set for 64-bit powerpc cpus.
9015         (powerpc64-*-linux*): Use it.  Rearrange tm_file assignment.
9016         (powerpc-*-linux*): Build a biarch compiler when --enable-targets
9017         is given with "powerpc64*" or "all", or when --with-cpu chooses
9018         a 64-bit cpu.
9019
9020 2005-03-30  James E. Wilson  <wilson@specifixinc.com>
9021
9022         PR debug/20268
9023         * dwarf2out.c (add_high_low_attributes): New function, extracted from
9024         gen_lexical_block_die.
9025         (gen_lexical_block_die, gen_inlined_subroutine_die): Call it.
9026
9027 2005-03-31  Jan Hubicka  <jh@suse.cz>
9028
9029         2004-11-02  Jan Hubicka  <jh@suse.cz>
9030
9031         * cgraph.c (cgraph_varpool_node_name): New function.
9032         (dump_cgraph_varpool_node): New function.
9033         (dump_varpool): New function.
9034         * cgraphunit.c (cgraph_optimize): Dump varpool.
9035
9036         2004-10-16  Jan Hubicka  <jh@suse.cz>
9037
9038         * cgraph.c (decide_is_variable_needed): New function.
9039         (cgraph_varpool_finalize_decl): Use it.
9040         * cgraphunit.c (cgraph_optimize): Assemble_pending_decls when not doing
9041         unit-at-a-time.
9042         * final.c (output_addr_const): Do not call mark_referenced.
9043         * passes.c (rest_of_decl_compilation): ifdef out DECL_RTL_SET_P hack;
9044         always go via cgraph.
9045         * toplev.c (wrapup_global_declarations): Kill non-unit-at-a-time code.
9046         (check_global_declarations): Ifdef out code clearing DECL_RTL.
9047         * tree-optimize.c (execute_inline): Mark functions called.
9048         * i386.c (output_pic_addr_const): Do not call mark_decl_referenced.
9049
9050         2004-10-11  Jan Hubicka  <jh@suse.cz>
9051
9052         * cgraph.c (cgraph_varpool_first_unanalyzed_node): New global voriable
9053         (cgraph_varpool_last_needed_node): New static variable.
9054         (enqueue_needed_varpool_node): Break out from ...; add items to the
9055         end of queue; update first pointers.
9056         (cgraph_varpool_mark_needed_node): ... here.
9057         (cgraph_varpool_finalize_decl): Use enqueue_needed_varpool_node.
9058         (cgraph_varpool_assemble_pending_decls): Move to cgraphunit.c
9059         * cgraph.h (cgraph_varpool_node): Add analyzed field.
9060         (cgraph_varpool_first_unanalyzed_node): Declare.
9061         * cgraphunit.c: Include output.h.
9062         (cgraph_varpool_analyze_pending_decls): New function.
9063         (cgraph_varpool_assemble_pending_decls): Move from cgraph.c; bail out
9064         for errors, analyze pending decls.
9065         (cgraph_finalize_compilation_unit): Only analyze decls.
9066         (cgraph_optimize): Assemble the decls after expanding.
9067
9068 2005-03-30  Daniel Berlin  <dberlin@dberlin.org>
9069
9070         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Make sure
9071         subvars get marked properly in tags for grouping.
9072         (add_pointed_to_var): Mark only actual pointed to
9073         variables/subvars in addresses needed.
9074         (create_overlap_variables_for): Clear call clobbered on original
9075         variable.
9076         * tree-ssa-operands.c (get_asm_expr_operands): Don't let regular
9077         addresable vars with subvars into list.
9078         * tree-ssa.c (verify_ssa_name): Verify original is not used where
9079         subvar should be.
9080
9081 2005-03-30  Richard Henderson  <rth@redhat.com>
9082
9083         * cgraph.h (struct cgraph_node): Add alias.
9084         * varasm.c (assemble_alias): Set it.
9085         * cgraphunit.c (cgraph_assemble_pending_functions): Check it and
9086         avoid calling cgraph_expand_function.
9087
9088 2005-03-30  Tom Tromey  <tromey@redhat.com>
9089
9090         * tree.def (FILE_TYPE): Removed.
9091         * typeclass.h (enum type_class): Removed file_type_class.
9092         * dwarf2out.c (is_base_type): Updated.
9093         (gen_type_die): Likewise.
9094         * dbxout.c (dbxout_type): Updated.
9095         * builtins.c (type_to_class): Updated.
9096         * tree.c (type_contains_placeholder_1): Updated.
9097         * config/sparc/sparc.c (sparc_type_code): Updated.
9098         * config/ia64/ia64.c (hfa_element_mode): Updated.
9099         * expr.c (count_type_elements): Updated.
9100         * stor-layout.c (layout_type): Updated.
9101         * tree-inline.c (remap_type): Updated.
9102         * tree-pretty-print.c (dump_generic_node): Updated.
9103
9104 2005-03-30 Fariborz Jahanian <fjahanian@apple.com>
9105
9106         * builtins.c (expand_builtin_powi): Fix mode of
9107         2nd argument to match int.
9108         * libgcc2.h (__powisf2, __powidf2, __powixf2, __powitf2): Change
9109         2nd argument type to int.
9110         * libgcc2.c: Change prototype of __powi* functions to use
9111         int.
9112
9113 2005-03-30  Dale Johannesen  <dalej@apple.com>
9114
9115         PR middle-end/19225
9116         * calls.c (expand_call):  Flush pending deferrals before
9117         throwing call.
9118
9119 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
9120
9121         PR c/772
9122         PR c/17913
9123         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR,
9124         C_DECL_UNDEFINABLE_STMT_EXPR, struct c_label_list, struct
9125         c_label_context, label_context_stack): New.
9126         * c-decl.c (define_label): Check for jumps into statement
9127         expressions.  Add label to list of defined labels.
9128         (start_function): Push context on label_context_stack.
9129         (finish_function): Pop context from label_context_stack.
9130         * c-typeck.c (label_context_stack): New.
9131         (c_finish_goto_label): Check for jumps into statement
9132         expressions.  Add label to list of jumped to labels.
9133         (struct c_switch): Add blocked_stmt_expr.
9134         (c_start_case): Initialize it.
9135         (do_case): Check it.
9136         (c_finish_case): Verify !blocked_stmt_expr.
9137         (c_begin_stmt_expr):  Push context on label_context_stack.
9138         Increment blocked_stmt_expr.  Mark labels jumped to from outside
9139         as undefinable.
9140         (c_finish_stmt_expr): December blocked_stmt_expr.  Mark labels
9141         defined in the statement expression and no longer jumpable to.
9142         Mark labels jumped to from just outside the statement expression
9143         as again definable.  Pop context from label_context_stack.
9144         * doc/extend.texi (Statement Exprs): Update.
9145
9146 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
9147
9148         PR c/20368
9149         * c-decl.c (start_function): Check for old_decl being
9150         error_mark_node.
9151
9152 2005-03-30  Ian Lance Taylor  <ian@airs.com>
9153
9154         * final.c (final): Remove prescan parameter.  Change all callers.
9155         (final_scan_insn): Remove prescan parameter.  Change all callers.
9156
9157 2005-03-30  Kazu Hirata  <kazu@cs.umass.edu>
9158
9159         * tree-vectorizer.c: Fix comment typos.
9160
9161 2005-03-30  Sebastian Pop  <pop@cri.ensmp.fr>
9162
9163         * tree-scalar-evolution.c (instantiate_parameters_1): Return
9164         as soon as a chrec_dont_know is detected.
9165
9166 2005-03-31  Danny Smith  <dannysmith@users.sourceforge.net>
9167
9168         Merge from csl-arm-branch.
9169         2004-02-12  Mark Mitchell  <mark@codesourcery.com>
9170
9171         * tlink.c (recompile_files): Do not assume that "rename" can
9172         overwrite an existing file.
9173
9174 2005-03-31  Paolo Bonzini  <bonzini@gnu.org>
9175
9176         * gcc/configure.ac (TL_AC_GNU_MAKE_GCC_LIB_PATH): Remove.
9177         * gcc/configure: Regenerate.
9178
9179 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
9180
9181         * doc/install.texi: Update binutils requirement for powerpc*-linux.
9182
9183         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Update comments.
9184
9185         * calls.c (struct arg_data): Update "partial" comment.
9186         (load_register_parameters): Update "nregs" comment.
9187
9188 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
9189
9190         * config/iq2000/iq2000.h (target_flags, MASK_GPOPT, MASK_EMBEDDED_DATA)
9191         (MASK_UNINIT_CONST_IN_RODATA, TARGET_EMBEDDED_DATA, TARGET_SWITCHES)
9192         (TARGET_DEFAULT, TARGET_CPU_DEFAULT, SUBTARGET_TARGET_OPTIONS)
9193         (TARGET_OPTIONS, iq2000_cpu_string, iq2000_arch_string): Delete.
9194         (TARGET_DEBUG_MODE, TARGET_DEBUG_A_MODE, TARGET_DEBUG_B_MODE)
9195         (TARGET_DEBUG_C_MODE, TARGET_DEBUG_D_MODE): Define to 0 rather
9196         than target_flags & 0.
9197         * config/iq2000/iq2000.c (iq2000_cpu_string, iq2000_arch_string)
9198         (iq2000_arch, iq2000_parse_cpu): Delete.
9199         (TARGET_HANDLE_OPTION): Override default.
9200         (iq2000_handle_option): New function.
9201         (override_options): Remove -march= and -mcpu= handling.
9202         * config/iq2000/iq2000.opt: New file.
9203
9204 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
9205
9206         * config/c4x/c4x-protos.h (c4x_rpts_cycles, c4x_cpu_version): Delete.
9207         * config/c4x/c4x.h (SMALL_MEMORY_FLAG, MPYI_FLAG, FAST_FIX_FLAG)
9208         (RPTS_FLAG, C3X_FLAG, TI_FLAG, PARANOID_FLAG, MEMPARM_FLAG, DEVEL_FLAG)
9209         (RPTB_FLAG, BK_FLAG, DB_FLAG, DEBUG_FLAG, HOIST_FLAG)
9210         (LOOP_UNSIGNED_FLAG, FORCE_FLAG, PRESERVE_FLOAT_FLAG)
9211         (PARALLEL_INSN_FLAG, PARALLEL_MPY_FLAG, ALIASES_FLAG, C30_FLAG)
9212         (C31_FLAG, C32_FLAG, C33_FLAG, C40_FLAG, C44_FLAG, TARGET_SWITCHES)
9213         (TARGET_DEFAULT, TARGET_SMALL, TARGET_MPYI, TARGET_FAST_FIX)
9214         (TARGET_RPTS, TARGET_TI, TARGET_PARANOID, TARGET_MEMPARM, TARGET_DEVEL)
9215         (TARGET_RPTB, TARGET_BK, TARGET_DB, TARGET_DEBUG, TARGET_HOIST)
9216         (TARGET_LOOP_UNSIGNED, TARGET_FORCE, TARGET_PRESERVE_FLOAT)
9217         (TARGET_PARALLEL, TARGET_PARALLEL_MPY, TARGET_ALIASES)
9218         (c4x_rpts_cycles_string, c4x_cpu_version_string)
9219         (TARGET_OPTIONS): Delete.
9220         (c4x_rpts_cycles, c4x_cpu_version): Declare.
9221         (TARGET_C3X, TARGET_C30, TARGET_C31, TARGET_C32, TARGET_C33)
9222         (TARGET_C40, TARGET_C44): Redefine in terms of c4x_cpu_version.
9223         * config/c4x/c4x.c (c4x_rpts_cycles_string): Delete.
9224         (c4x_cpu_version_string): Delete.
9225         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
9226         (c4x_handle_option): New function.  Map -m3x and -m4x options to the
9227         equivalent -mcpu= option.
9228         (c4x_override_options): Remove -mrpts= and -mcpu= handling from here.
9229         Deal with the extra conditions in the old TARGET_MPYI, TARGET_RPTB,
9230         TARGET_DB, TARGET_PARALLEL and TARGET_PARALLEL_MPY macros by setting
9231         or clearing the appropriate MASK_* bit.
9232         (c4x_file_start): Use c4x_cpu_version.
9233         * config/c4x/c4x.opt: New file.
9234
9235 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
9236
9237         * doc/options.texi: Document the new MaskExists flag.
9238         * opth-gen.awk: Don't output MASK and TARGET macros for Mask(...)
9239         if the option has the MaskExists flag.
9240
9241 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
9242
9243         * opt-functions.awk (flag_set_p, test_flag): New functions.
9244         (switch_flags): Use them.
9245         * opth-gen.awk: Use flag_set_p to check for flags.
9246         * optc-gen.awk: Likewise.  Use opt_args to check for Init(...) flags.
9247
9248 2005-03-30  Ian Lance Taylor  <ian@airs.com>
9249
9250         * config.host (i[34567]86-*-mingw32*): Don't set
9251         host_can_use_collect2 to no.
9252
9253 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
9254
9255         PR target/20203
9256         * builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL.
9257         Remove convert_memory_address call duplicating that in memory_address.
9258
9259 2005-03-29  Richard Henderson  <rth@redhat.com>
9260
9261         PR c/20519
9262         * c-decl.c (c_finish_incomplete_decl): Update complete_array_type call.
9263         (build_compound_literal): Likewise.  Propagate decl type into the
9264         initializer.
9265         (finish_decl): Likewise.  Use new return value from complete_array_type
9266         for zero sized arrays.
9267         (complete_array_type): Move ...
9268         * c-common.c (complete_array_type): ... here.  Change first argument
9269         to pointer-to-type-node.  Consistently use sizetype for the index
9270         except for zero sized arrays.  Detect zero sized arrays for pedantic
9271         mode diagnostics.  Create a new type node instead of modifying the
9272         old node in place.
9273         * c-tree.h (complete_array_type): Move decl ...
9274         * c-common.h (complete_array_type): ... here.
9275
9276 2005-03-29  Richard Henderson  <rth@redhat.com>
9277
9278         PR tree-opt/19108
9279         * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.
9280
9281 2005-03-29  Kazu Hirata  <kazu@cs.umass.edu>
9282
9283         * builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c,
9284         debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c,
9285         rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h,
9286         tree-profile.c, tsystem.h, value-prof.h: Update copyright.
9287
9288 2005-03-29  Eric Christopher  <echristo@redhat.com>
9289
9290         * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
9291         truthvalue conversion removal.
9292
9293 2005-03-29  Ian Lance Taylor  <ian@airs.com>
9294
9295         PR bootstrap/14316
9296         * collect2.c: Never include <vfork.h>.
9297         (VFORK_STRING, vfork): Don't define.
9298         (pid): Remove global variable.
9299         (handler): Call raise instead of kill (getpid(), ...).
9300         (collect_wait): Add pex parameter.  Change all callers.  Use
9301         pex_get_status rather than pwait.
9302         (do_wait): Add pex parameter.  Change all callers.
9303         (collect_execute): Return struct pex_obj * rather than void.  Use
9304         pex routines rather than pexecute.
9305         (fork_execute): Get pex_obj from collect_execute, and pass it to
9306         do_wait.
9307         (scan_prog_file): Use pex routines rather than pipe/vfork/exec.
9308         Only declare quit_handler if SIGQUIT is defined.
9309         (scan_libraries): Likewise.
9310         * collect2.h (collect_execute): Update declaration.
9311         (collect_wait): Update declaration.
9312         * tlink.c (tlink_execute): Get pex_obj from collect_execute, and
9313         pass it to collect_wait.
9314
9315 2005-03-29  Joseph S. Myers  <joseph@codesourcery.com>
9316
9317         PR c/20672
9318         * c-parser.c (c_parser_compound_statement_nostart): Give error
9319         message for EOF instead of just setting parser->error.
9320
9321 2005-03-29  Dorit Naishlos  <dorit@il.ibm.com>
9322
9323         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed.
9324         (slpeel_update_phi_nodes_for_guard1): New function.
9325         (slpeel_update_phi_nodes_for_guard2): New function.
9326         (slpeel_tree_peel_loop_to_edge): Call above new functions instead
9327         of slpeel_update_phi_nodes_for_guard.
9328         (vectorize_loops): Remove call to loop_closed_rewrite.
9329         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove
9330         assertion.
9331
9332 2005-03-29  Richard Sandiford  <rsandifo@redhat.com>
9333
9334         * config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete.
9335         (TARGET_LITTLE_ENDIAN): New macro.
9336         * config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags)
9337         (TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG)
9338         (TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS)
9339         (TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE)
9340         (TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK)
9341         (TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT)
9342         (TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT)
9343         (TARGET_SWITCHES, m32r_model_string, m32r_sdata_string)
9344         (m32r_cache_flush_trap_string, SUBTARGET_OPTIONS)
9345         (TARGET_OPTIONS): Delete.
9346         (M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums.
9347         (CACHE_FLUSH_TRAP): Turn into an integer.
9348         (TARGET_LITTLE_ENDIAN): Define to 0 by default.
9349         (INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if
9350         -mflush-trap is in use.
9351         * config/m32r/m32r.c (m32r_model_string, m32r_sdata_string)
9352         (m32r_cache_flush_trap_string): Delete.
9353         (m32r_model) Initialize to M32R_MODEL_DEFAULT.
9354         (m32r_sdata): Likewise M32R_SDATA_DEFAULT.
9355         (m32r_cache_trap): Likewise CACHE_FLUSH_TRAP.
9356         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
9357         (m32r_handle_option): New function.  Move -mflush-trap=, -mflush-func=,
9358         -mmodel= and -msdata= handling from...
9359         (m32r_init): ...here.
9360         * config/m32r/m32r.opt: New file.
9361
9362 2005-03-29  Keith Besaw  <kbesaw@us.ibm.com>
9363
9364         * tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
9365         (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
9366         * tree-vect-analyze.c (vect_object_analysis): additional parm
9367         pass back a "struct ptr_info_def *" with the points-to info.
9368         (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
9369         statement using info returned from vect_object_analysis.
9370         * tree-vect-transform.c (update_vuses_to_preheader): New function.
9371         (vect_create_data_ref_ptr): Remove updates to vars_to_rename
9372         for virtual uses and defs when creating a replacement vector
9373         reference.  Call duplicate_ssa_name_ptr_info to define points-to
9374         info for vector pointer replacement using STMT_VINFO_PTR_INFO.
9375         (vectorizable_store): copy_virtual_operands and update
9376         definition statements.
9377         (vectorizable_load): copy_virtual_operands.  Remove call to
9378         mark_call_clobbered_vars_to_rename for call to "const" builtin.
9379         * tree-vectorizer.c (vectorize_loops): Remove calls to
9380         rewrite_into_ssa and bitmap_clear (vars_to_rename).
9381         (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
9382         * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
9383         define macro STMT_VINFO_PTR_INFO for use in accessing.
9384         * tree.h add export of duplicate_ssa_name_ptr_info.
9385         * rs6000.c (altivec_init_builtins): Declare builtin function
9386         __builtin_altivec_mask_for_load to be "const".
9387
9388 2005-03-29  Jakub Jelinek  <jakub@redhat.com>
9389
9390         PR middle-end/20622
9391         * cgraph.h (struct cgraph_varpool_node): Add alias field.
9392         * cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call
9393         assemble_variable on aliases.
9394         * varasm.c (assemble_alias): Set node->alias.
9395         * toplev.c (wrapup_global_declarations): Don't call
9396         rest_of_decl_compilation on aliases again.
9397
9398 2005-03-29  Paul Brook  <paul@codesourcery.com>
9399
9400         * config/arm/arm-protos.h (arm_dbx_register_number): Add prototype.
9401         * config/arm/arm.c (arm_dbx_register_number): New function.
9402         * config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define.
9403
9404 2005-03-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
9405
9406         PR middle-end/20263
9407         * varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use
9408         the DECL_NAME, not the DECL_ASSEMBLER_NAME.
9409
9410 2005-03-29  Dale Johannesen <dalej@apple.com>
9411
9412         * Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H)
9413         $(TREE_H) and $(COVERAGE_H).
9414         * coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME.
9415         * opts.c (common_handle_option): Enable tree-based value transforms.
9416         * toplev.c (process_options): Ditto.
9417         * value-prof.h (struct histogram_value_t): Redefine. "Adjust" below
9418         refers to references to this type.
9419         * tree-flow.h: (struct stmt_ann_d): Add histograms field.
9420         * rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks
9421         for may_be_more, may_be_less.
9422         (rtl_gen_pow2_profiler): Adjust.
9423         (rtl_gen_one_value_profiler_no_edge_manip): Adjust.
9424         (rtl_gen_one_value_profiler): Adjust.
9425         (rtl_gen_const_delta_profiler): Adjust.
9426         * tree-profile.c (tree_gen_interval_profiler): Implement.
9427         (tree_gen_pow2_profiler): Ditto.
9428         (tree_gen_one_value_profiler): Ditto.
9429         (tree_profiling): New.
9430         (pass_tree_profile): Reference it.
9431         * value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h,
9432         tree.h, gcov-io.h.
9433         (insn_divmod_values_to_profile): Rename to
9434         rtl_divmod_values_to_profile. Adjust.
9435         (insn_values_to_profile): Rename to rtl_values_to_profile. Adjust.
9436         (insn_prefetch_values_to_profile): Adjust.
9437         (rtl_value_profile_transformations): Adjust.
9438         (gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value.
9439         (gen_mod_pow2): Rename to rtl_mod_pow2.
9440         (gen_mod_subtract): Rename to rtl_mod_subtract.
9441         (divmod_fixed_value_transform): Rename to
9442         rtl_divmod_fixed_value_transform.
9443         (mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform.
9444         (mod_subtract_transform): Rename to rtl_mod_subtract_transform.
9445         (rtl_find_values_to_profile): Adjust.
9446         (tree_value_profile_transformations): Implement.
9447         (tree_divmod_values_to_profile): New.
9448         (tree_values_to_profile): New.
9449         (tree_divmod_fixed_value): New.
9450         (tree_mod_pow2): New.
9451         (tree_mod_subtract): New.
9452         (tree_divmod_fixed_value_transform): New.
9453         (tree_mod_pow2_value_transform): New.
9454         (tree_mod_subtract_transform): New.
9455         (tree_find_values_to_profile): Implement.
9456         * profile.c (instrument_values):  Free histograms.
9457         (compute_value_histograms): Adjust. Implement tree version.
9458
9459 2005-03-29  Uros Bizjak  <uros@kss-loka.si>
9460
9461         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST> case.
9462         * config/i386/i386.c (output_fix_trunc): Add new round_mode
9463         variable.  Output "fldcw" depending on round_mode.
9464         * config/i386/i386.md (UNSPEC_FIST): New.
9465         (fistdi2, fistdi2_with_temp, fist<mode>2, fist<mode>2_with_temp):
9466         New isns patterns to implement lrint and llrint built-ins as x87
9467         intrinsic function.
9468         (fistdi2, fist<mode>2 splitters): New splitters.
9469         (lrint<mode>2): New expanders.
9470
9471 2005-03-28  Ian Lance Taylor  <ian@airs.com>
9472
9473         * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
9474         0 when calling final_scan_insn.
9475
9476 2005-03-28  Jan Hubicka  <jh@suse.cz>
9477
9478         PR middle-end/20635
9479         * varasm.c (mark_decl_referenced): Do not mark extern inline functions
9480         as needed.
9481
9482         * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
9483         types where possible.
9484
9485 2005-03-26  Per Bothner  <per@bothner.com>
9486
9487         Make -f[no-]show-column also control non-cpp diagnostics.
9488         * c.opt (fshow-column): Move option from here ...
9489         * common.opt (fshow-column): ... to here.
9490         * diagnostic.c (diagnostic_build_prefix): Only print column number
9491         if flag_show_column.
9492
9493 2005-03-27  Steven Bosscher  <stevenb@suse.de>
9494
9495         * vax-protos.h (vax_output_int_move, vax_output_int_add,
9496         vax_output_conditional_branch): New prototypes.
9497         * vax.c (vax_output_int_move, vax_output_int_add): New functions,
9498         extracted from vax.md mov and add patterns.
9499         (vax_output_conditional_branch): New function to output conditional
9500         branch instructions.
9501         * vax.md: Use mode macros for arithmetic and mov patterns.
9502         Use code macros for the jump patterns.
9503
9504 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
9505
9506         * Makefile.in (libbackend.o): Depend on version files;
9507         add custom generation command.
9508
9509 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
9510
9511         PR target/20636
9512         * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
9513         sure that we have a REG before getting its REGNO.
9514
9515 2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9516
9517         * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
9518         * builtins.def (BUILT_IN_STRNDUP): New.
9519
9520 2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>
9521
9522         PR tree-optimization/20470
9523         * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
9524         ABS(x-y).
9525
9526 2005-03-25  Mike Stump  <mrs@apple.com>
9527
9528         * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
9529         sized objects.
9530
9531 2005-03-25  Geoffrey Keating  <geoffk@apple.com>
9532
9533         * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
9534         Use our own structure definitions.
9535
9536         * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
9537         (fix_truncdfsi2): Allow registers or memory as destination.
9538         When TARGET_PPC_GFXOPT, generate simplified pattern.
9539         (fix_truncdfsi2_internal): Use define_insn_and_split.
9540         (fix_truncdfsi2_internal_gfxopt): New.
9541         (fctiwz): Don't confuse register allocation by giving it no choices.
9542         (stfiwx): New.
9543         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
9544         (EXTRA_MEMORY_CONSTRAINT): Likewise.
9545         * config/rs6000/rs6000.c (indexed_or_indirect_operand): New.
9546         * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
9547
9548 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
9549
9550         * dominance.c (free_dominance_info): Speed up by freeing et
9551         data structures without maintaining other nodes.
9552         * et-forest.c (et_free_tree_force): New.
9553         * et-forest.h: Add a prototype for et_free_tree_force.
9554
9555         * tree.c (get_set_constructor_bits,
9556         get_set_constructor_bytes): Remove.
9557         * tree.h: Remove the corresponding prototypes.
9558
9559 2005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
9560
9561         PR target/15491
9562         * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
9563         (vax_rtx_costs): Return false when passed unsupported rtx's.  Handle
9564         FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE.  Fix costs for POST_INC,
9565         PRE_DEC, NEG and NOT.
9566
9567 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
9568
9569         * fold-const.c: Convert uses of fold (build (...)) to
9570         fold_buildN.
9571
9572 2005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>
9573
9574         PR rtl-optimization/20249
9575         * cse.c (insert_regs): Do not record equivalence of registers in
9576         different modes.
9577
9578 2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>
9579
9580         * emit-rtl.c (reverse_comparison): Remove.
9581         * rtl.h: Remove the corresponding prototype.
9582
9583 2005-03-24  James E Wilson  <wilson@specifixinc.com>
9584
9585         * doc/install.texi (--enable-altivec): Delete docs.
9586
9587 2005-03-24  David Edelsohn  <edelsohn@gnu.org>
9588
9589         * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
9590         SFmode and DFmode before reload when
9591         flag_unsafe_math_optimizations not enabled.
9592
9593 2005-03-24  Geoffrey Keating  <geoffk@apple.com>
9594
9595         * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
9596
9597         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
9598         MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
9599
9600 2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>
9601
9602         * configure.ac (enable-checking): Add 'runtime' option.
9603         * doc/install.texi (enable-checking): Document 'runtime' checking.
9604         * tsystem.h (gcc_assert, gcc_unreachable): Define.
9605         * config.in: Regenerated.
9606         * configure: Regenerated.
9607
9608 2005-03-23  Uros Bizjak  <uros@kss-loka.si>
9609
9610         * optabs.h (enum optab_index): Remove OTI_llrint.
9611         (llrint_optab): Remove macro.
9612         * optabs.c (init_optabs): Remove llrint_optab initialization.
9613         * genopinit.c (optabs): Remove llrint_optab implementation.
9614         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
9615         using lrint_optab.
9616
9617 2005-03-24  Alexandre Oliva  <aoliva@redhat.com>
9618
9619         PR rtl-optimization/20532
9620         * simplify-rtx.c (simplify_binary_operation_1): Protect from
9621         overflow when adding coefficients for PLUS or MINUS.
9622         (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
9623         two as multiplier.
9624
9625 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
9626
9627         * langhooks.h (truthvalue_conversion): Remove.
9628         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
9629         LANG_HOOKS_TRUTHVALUE_CONVERSION.
9630         * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
9631         * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
9632         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
9633
9634 2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>
9635
9636         * params.def: Fix a typo.
9637         * config/mips/mips.c: Follow the spelling convensions.
9638         * doc/invoke.texi: Fix typos.
9639
9640 2005-03-23  Daniel Berlin  <dberlin@dberlin.org>
9641
9642         Fix PR tree-optimization/20601
9643
9644         * tree-ssa-pre.c (insert_aux): Add missing condition to
9645         constification.
9646
9647 2005-03-23  Ian Lance Taylor  <ian@airs.com>
9648
9649         * final.c (final_scan_insn): Don't remove no-op instructions.
9650         * reload1.c (reload): Remove simple no-op instructions even when
9651         not optimizing.
9652
9653 2005-03-23  Dorit Naishlos  <dorit@il.ib.com>
9654
9655         PR tree-optimization/20501
9656         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
9657         reporting that peeling for alignment is applied moved to...
9658         * (vect_analyze_data_refs_alignment): Here.
9659
9660 2005-03-23  Ian Lance Taylor  <ian@airs.com>
9661
9662         * reorg.c (dbr_schedule): Remove #if 0 code to call final.
9663
9664 2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
9665
9666         * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
9667         Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
9668
9669 2005-03-23  Hans-Peter Nilsson  <hp@axis.com>
9670
9671         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
9672         imply that this is called once, independent of asms in code.
9673         Adjust to now being pased output and input lists.  Mention helper
9674         function decl_overlaps_hard_reg_set_p.
9675         * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
9676         hook_tree_tree_identity and to take three trees, returning third.
9677         * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
9678         prototype.
9679         * stmt.c: include hard-reg-set.h before tree.h.
9680         (decl_overlaps_hard_reg_set_p): New function, broken out from...
9681         (decl_conflicts_with_clobbers_p): Call
9682         decl_overlaps_hard_reg_set_p.
9683         (expand_asm_operands): Pass output and input lists in call to
9684         targetm.md_asm_clobbers.
9685         * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
9686         hook_tree_tree_tree_tree_3rd_identity.
9687         * target.h (struct gcc_target.md_asm_clobbers): Take three tree
9688         parameters.
9689         * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
9690         * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
9691         parameters, first two unused.
9692         * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
9693         parameters.  Only add MOF to clobbers if there's no 'h' mentioned
9694         in constraint letters and MOF is not mentioned as a asm-declared
9695         register in neither of the input and output lists.
9696
9697 2005-03-23  DJ Delorie  <dj@redhat.com>
9698
9699         * optabs.c (expand_binop): Make sure the first subword's result
9700         gets stored.
9701
9702 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
9703
9704         * c-common.c (c_common_truthvalue_conversion): Adjust comment.
9705         Call c_common_truthvalue_conversion rather than
9706         lang_hooks.truthvalue_conversion.
9707         * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
9708         * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
9709         c-typeck.c.
9710         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
9711         c_common_truthvalue_conversion.
9712         * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
9713         c_parser_conditional_expression, c_parser_binary_expression): Call
9714         c_objc_common_truthvalue_conversion.
9715         * c-typeck.c (build_unary_op): Call
9716         c_objc_common_truthvalue_conversion.
9717         (build_conditional_expr): Do not call
9718         lang_hooks.truthvalue_conversion.
9719         (build_binary_op): Call c_common_truthvalue_conversion.
9720         (c_objc_common_truthvalue_conversion): Moved from
9721         c-objc-common.c.  Call default_function_array_conversion instead
9722         of default_conversion.
9723
9724 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
9725
9726         * c-common.h (default_conversion): Remove.
9727         (perform_integral_promotions): Add.
9728         * c-tree.h (default_conversion): Add.
9729         * c-typeck.c (perform_integral_promotions): New, split out from
9730         default_conversion.
9731         * c-common.c (check_case_value): Use perform_integral_promotions,
9732         not default_conversion.
9733         (c_add_case_label): Don't continue processing case label after
9734         found to be pointer.
9735
9736 2005-03-23  Mark Mitchell  <mark@codesourcery.com>
9737
9738         * gcc.c (do_spec_1): Do not add a -L path for a directory in
9739         the prefix list if we have already added a multilib directory
9740         based on that path.
9741         (main): Do not add MD_EXEC_PREFIX to the list of directories to
9742         search with -L.
9743
9744 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
9745
9746         * reload1.c (indirect_symref_ok, reload_obstack): Make them
9747         static.
9748         * reload.h: Remove the prototype for indirect_symref_ok.
9749
9750         * reload1.c (indirect_symref_ok): Make it global.
9751         * reload.h: Add a prototype for indirect_symref_ok.
9752
9753 2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
9754
9755         * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
9756         ashlhi3 expander.
9757
9758 2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
9759
9760         * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
9761
9762 2005-03-22  Daniel Berlin  <dberlin@dberlin.org>
9763
9764         * c-opts.c (c_common_parse_file): Only start/end main source file
9765         if debug hooks says the writer wants it.
9766         * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
9767         member.
9768         (xcoff_debug_hooks): Ditto.
9769         * debug.c (do_nothing_hooks): Ditto.
9770         * debug.h (gcc_debug_hooks): Ditto.
9771         * dwarf2out.c (dwarf2_debug_hooks): Ditto.
9772         * sdbout.c (sdb_debug_hooks): Ditto.
9773         * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
9774
9775 2005-03-22  Mark Mitchell  <mark@codesourcery.com>
9776
9777         * doc/extend.texi: Deprecate C++ min/max operators.
9778
9779 2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>
9780
9781         * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
9782         artificial original candidates.
9783
9784 2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
9785             Jan Hubicka  <jh@suse.cz>
9786             Steven Bosscher <stevenb@suse.de>
9787
9788         * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
9789         call cost based on argument sizes.
9790         (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
9791         inlining.
9792         * params.def: (max-inline-inssn-single): Set to 450.
9793         (max-inline-insns-auto): Set to 90.
9794         (max-inline-insns-recursive): Set to 450
9795         (max-inline-insns-recursive-auto): Set to 450.
9796         (large-function-insns): Set to 2700.
9797         (inline-call-cost): New parameter.
9798         * tree-inline.c (estimate_move_cost): New function.
9799         (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
9800         for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
9801         based on arguments.
9802         * tree-inline.h (estimate_move_cost): Declare.
9803         * invoke.texi: (max-inline-inssn-single): Change default to 450.
9804         (max-inline-insns-auto): Change default to 90.
9805         (max-inline-insns-recursive): Change default to 450
9806         (max-inline-insns-recursive-auto): Change default to 450.
9807         (large-function-insns): Change default to 2700.
9808         (inline-call-cost): Document new parameter.
9809
9810 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
9811
9812         * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
9813         (TARGET_DEFAULT): Delete.
9814         * config/i860/i860.opt: New file.
9815
9816 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
9817
9818         * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
9819         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
9820         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
9821         (frv_sched_lookahead): Delete.
9822         * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
9823         (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
9824         (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
9825         (MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
9826         (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
9827         (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
9828         (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
9829         (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
9830         (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
9831         (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
9832         (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
9833         (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
9834         (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
9835         (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
9836         (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
9837         (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
9838         (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
9839         (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
9840         (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
9841         (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
9842         (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
9843         (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
9844         * config/frv/frv.c (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         (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
9849         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
9850         (frv_handle_option): New function.  Move -mcpu= handling from...
9851         (frv_override_options): ...here.  Remove handling of other
9852         TARGET_OPTIONS.
9853         (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
9854         TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
9855         (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
9856         and TARGET_NO_MULTI_CE.
9857         (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
9858         !TARGET_VLIW_BRANCH.
9859         * config/frv/frv.opt: New file.
9860
9861 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
9862
9863         * fold-const.c (fold_ternary): Take decomposed arguments of
9864         CALL_EXPR.
9865         (fold): Update a call to fold_ternary.
9866
9867         * fold-const.c (fold_build1, fold_build2, fold_build3): New.
9868         * tree.h: Add corresponding prototypes.
9869
9870 2005-03-22  Jakub Jelinek  <jakub@redhat.com>
9871
9872         PR target/20561
9873         * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
9874         between jump table and its label.
9875         * final.c (shorten_branches): Handle notes in between ADDR_VEC
9876         resp. ADDR_DIFF_VEC and the label preceeding it.
9877         (final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
9878         is emitted in the right section.
9879
9880 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
9881
9882         * fold-const.c (fold_unary, fold_binary): Update comments
9883         about arguments.
9884
9885 2005-03-22  Hans-Peter Nilsson  <hp@axis.com>
9886
9887         PR rtl-optimization/20527
9888         * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
9889         REG_INC note, test that the register also isn't mentioned in PRED
9890         or SUCC.
9891
9892 2005-03-22  Ben Elliston  <bje@au.ibm.com>
9893
9894         * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
9895         and definition.
9896
9897 2005-03-21  Mike Stump  <mrs@apple.com>
9898
9899         * varasm.c (default_assemble_visibility): Remove extra ().
9900
9901 2005-03-21  Roger Sayle  <roger@eyesopen.com>
9902
9903         PR middle-end/20557
9904         * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
9905         to determine whether a block can be duplicated, rather than test
9906         whether the block contains noncopyable insns ourselves.
9907
9908 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
9909
9910         * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
9911         predicates.
9912
9913 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
9914
9915         * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
9916
9917 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
9918
9919         * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
9920         (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
9921         * config/fr30/fr30.opt: New file.
9922
9923 2005-03-18  Daniel Berlin  <dberlin@dberlin.org>
9924
9925         Fix PR tree-optimization/20542
9926
9927         * tree-flow-inline.h (overlap_subvar): Move to here.
9928         * tree-ssa-operands.c: From here.
9929         * tree-flow.h (overlap_subvar): Declare.
9930         * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
9931         * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
9932         for variables with subvars.
9933
9934 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
9935
9936         PR middle-end/20177
9937         * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
9938         * modulo-sched.c (const_iteration_count): Return on NULL
9939         pre-header.
9940         (print_node_sched_params): Return on NULL dump_file.
9941         (generate_reg_moves): Handle reg-anti dependencies and disregard
9942         closing branch when generating register moves.
9943         (sms_schedule): Mark the SMSed block dirty.
9944         * passes.c (rest_of_handle_sms): Call update_life_info for all
9945         basic-blocks.
9946         * testsuite/gcc.dg/20050321-1.c: New test.
9947
9948 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
9949
9950         * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
9951         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
9952         movqi_internal): Likewise.
9953
9954 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
9955
9956         * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
9957         xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
9958         xtensa_b4const): Delete prototypes.
9959         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
9960         xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
9961         (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
9962         xtensa_extra_constraint): New prototypes.
9963         (add_operand, arith_operand, nonimmed_operand, mem_operand,
9964         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
9965         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
9966         move_operand, const_float_1_operand, fpmem_offset_operand,
9967         branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
9968         * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
9969         (xtensa_b4const_or_zero): ...this.  Change return type to bool and
9970         argument type to HOST_WIDE_INT.
9971         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
9972         xtensa_mask_immediate): Likewise.
9973         (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
9974         Likewise.  Also make these functions static.
9975         (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
9976         (xtensa_const_ok_for_letter_p): New.
9977         (add_operand, arith_operand, nonimmed_operand, mem_operand,
9978         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
9979         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
9980         move_operand, const_float_1_operand, fpmem_offset_operand,
9981         branch_operator, ubranch_operator, boolean_operator): Move to
9982         predicates.md.
9983         (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
9984         (xtensa_mem_offset): Change return type to bool.
9985         (xtensa_extra_constraint): New.
9986         (gen_int_relational): Update type of const_range_p function pointer.
9987         Use xtensa_b4const_or_zero.
9988         * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
9989         xtensa_const_ok_for_letter_p.  Update comments.
9990         (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
9991         (PREDICATE_CODES): Delete.
9992         * config/xtensa/xtensa.md: Include predicates.md.
9993         * config/xtensa/predicates.md: New file.
9994
9995 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
9996
9997         * config/v850/v850-protos.h: Remove the prototypes for
9998         reg_or_int9_operand, reg_or_const_operand,
9999         pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
10000         reg_or_0_operand, reg_or_int5_operand, call_address_operand,
10001         movsi_source_operand, power_of_two_operand,
10002         not_power_of_two_operand, special_symbolref_operand,
10003         pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
10004         register_is_ok_for_epilogue.
10005         * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
10006         reg_or_int9_operand, reg_or_const_operand,
10007         call_address_operand, special_symbolref_operand,
10008         movsi_source_operand, power_of_two_operand,
10009         not_power_of_two_operand, register_is_ok_for_epilogue,
10010         pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
10011         pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
10012         predicates.md.
10013         * config/v850/v850.h (PREDICATE_CODES): Remove.
10014         * config/v850/v850.md: Include predicates.md.
10015         * config/v850/predicates.md: New.
10016
10017 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
10018
10019         * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
10020         (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
10021         (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
10022         (itoolsdir, itoolsdatadir): Move definition above new first use.
10023         (install-itoolsdirs): New rule.
10024         (install-mkheaders): Depend on install-itoolsdirs, not
10025         install-include-dir.
10026
10027 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
10028
10029         * tree-into-ssa.c: Remove obsolete comments.
10030
10031 2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
10032
10033         * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
10034         unrolling if -fpeel-loops is specified, too.
10035         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
10036         Remove superfluous check for flag_unroll_loops.
10037
10038 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
10039
10040         * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
10041         (lrint_optab, llrint_optab): Define corresponding macros.
10042         * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
10043         * genopinit.c (optabs): Implement lrint_optab using lrintsi2
10044         pattern and llrint_optab using llrintdi2 patterns.
10045         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
10046         using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
10047         (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
10048         BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
10049         flag_unsafe_math_optimizations is set.
10050
10051 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
10052
10053         * combine.c (combine_simplify_rtx, simplify_if_then_else,
10054         simplify_logical, if_then_else_cond, known_cond,
10055         simplify_comparison): Adjust calls to reverse_comparison.
10056         Don't use combine_reversed_comparison_code).
10057         (combine_reversed_comparison_code): Remove.
10058         (reversed_comparison): Using reversed_comparison_code, move it...
10059         * jump.c (reversed_comparison): ... here.
10060         * rtl.h (reversed_comparison): Add prototype.
10061
10062 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
10063
10064         * builtins.c (fold_builtin): Take decomposed arguments of
10065         CALL_EXPR.
10066         * fold-const.c (fold_ternary): Update a call to fold_builtin.
10067         * gimplify.c (gimplify_call_expr): Likewise.
10068         * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
10069         * tree.h: Update the prototype of fold_builtin.
10070
10071 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
10072
10073         * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
10074         * rtlhooks.c (gen_lowpart_no_emit_general): New.
10075         * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
10076         (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
10077         * simplify-rtx.c (simplify_binary_operation_1): Use it.
10078
10079 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
10080
10081         * builtins.c (fold_builtin_1): Take decomposed arguments of
10082         CALL_EXPR.
10083         (fold_builtin): Update a call to fold_builtin_1.
10084
10085 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
10086
10087         PR other/20564
10088         * gcov.c (output_lines): Only output function block summary when
10089         outputting branch information.
10090         * doc/gcov.texi: Document format of preamble and additional block
10091         information lines.
10092
10093 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
10094
10095         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
10096         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
10097         the defaults false if BITS_PER_UNIT != 8.
10098         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
10099         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
10100         than BITS_PER_UNIT != 8.
10101         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
10102         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
10103         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
10104         #undefs.
10105         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
10106         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
10107
10108 2005-03-20  Roger Sayle  <roger@eyesopen.com>
10109
10110         PR middle-end/20539
10111         * fold-const.c (fold_binary): Fix type mismatch between
10112         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
10113         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
10114         for non-truth-valued expressions.
10115
10116         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
10117         and FUNCTION_DECL in the main switch.
10118         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
10119         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
10120         we also need to convert their operands to match.
10121         <TRUTH_NOT_EXPR>: Likewise.
10122
10123 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
10124
10125         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
10126         diagnostic without checking whether an lvalue.
10127         * c-common.h (lvalue_p): Remove.
10128         (enum lvalue_use): Update comment.
10129         (lvalue_or_else): Replace by lvalue_error.
10130         * c-typeck.c (lvalue_p): Make static.
10131         (lvalue_or_else): New.  Call lvalue_error.
10132
10133 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
10134
10135         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
10136         (function_arg_advance): Use rs6000_parm_start.
10137         (function_arg, rs6000_arg_partial_bytes): Likewise.
10138
10139 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
10140
10141         * c-common.c (check_case_value): Adjust comment about stripping
10142         NOPs.
10143         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
10144         * c-typeck.c (default_conversion, convert_arguments,
10145         build_modify_expr, convert_for_assignment, store_init_value,
10146         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
10147         manually.  Remove inaccurate comments.
10148
10149 2005-03-20  Roger Sayle  <roger@eyesopen.com>
10150             Joseph S. Myers  <joseph@codesourcery.com>
10151
10152         * varasm.c (do_assemble_alias): Restore comment describing function.
10153         Annotate the target parameter as potentially unused.
10154
10155 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
10156
10157         PR target/18551
10158         * config/avr/avr.c (avr_output_function_prologue): Do not use
10159         current_function_name() in a label, use a local label instead.
10160
10161 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
10162
10163         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
10164         flag_finite_math_only, not flag_unsafe_math_optimizations.
10165
10166 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
10167
10168         * builtins.c (fold_builtin_1): Update a call to
10169         targetm.fold_builtin.
10170         * hooks.c (hook_tree_tree_bool_null): Rename to
10171         hook_tree_tree_tree_bool_null.  Take one more argument of type
10172         tree.
10173         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
10174         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
10175         hook_tree_tree_tree_bool_null.
10176         * target.h (gcc_target): Update the prototype of fold_builtin.
10177         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
10178         arguments of CALL_EXPR.
10179         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
10180         new prototype.
10181
10182 2005-03-20  Jan Hubicka  <jh@suse.cz>
10183
10184         * cgraph.h (cgraph_node): Add prev_clone pointer.
10185         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
10186         (cgraph_clone_node): Produce doubly linked chain.
10187
10188 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
10189
10190         * c-common.c (handle_aligned_attribute, check_function_sentinel,
10191         get_nonnull_operand, handle_sentinel_attribute,
10192         check_function_arguments_recurse): Do not strip NOPS from
10193         INTEGER_CSTs.
10194         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
10195         Likewise.
10196         * c-format.c (get_constant): Likewise.
10197         * c-parser.c (c_parser_postfix_expression): Likewise.
10198         * c-typeck.c (set_init_index): Likewise.
10199         (convert_arguments): Don't check for NOP_EXPR containing integer
10200         constant.
10201
10202 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
10203
10204         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
10205         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
10206         Take decomposed arguments of CALL_EXPR.
10207         (fold_builtin_1): Update calls to the functions mentioned
10208         above.
10209
10210 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
10211
10212         * c-decl.c (check_bitfield_type_and_width): Require bit-field
10213         width to have integer type.
10214         (build_enumerator): Require enumerator value to have integer type.
10215
10216 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
10217
10218         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
10219         to __builtin_inff.
10220
10221 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
10222
10223         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
10224         std=iso9899:199x): Correct descriptions.
10225
10226 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
10227
10228         * config.gcc: Consistently use solaris2.1[0-9]* instead of
10229         solaris2.1[0-9].
10230
10231 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
10232
10233         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
10234         of CALL_EXPR.
10235         (expand_builtin_memcpy, fold_builtin_1): Update calls to
10236         fold_builtin_memcpy.
10237
10238         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
10239         arguments of CALL_EXPR.
10240         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
10241         fold_builtin_found, fold_builtin_1): Update calls to
10242         fold_trunc_transparent_mathfn.
10243
10244 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10245
10246         PR middle-end/20493
10247         * fold-const.c (fold_widened_comparison): Don't optimize casts of
10248         function pointers on targets that require function pointer
10249         canonicalization.
10250         (fold_sign_changed_comparison): Likewise.
10251
10252 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
10253
10254         * combine.c (try_combine): When changing the mode of a hard reg, make
10255         sure that doing so is valid.
10256
10257 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
10258
10259         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
10260         (TARGET_HANDLE_OPTION): Override default.
10261         (avr_handle_option): New function.
10262         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
10263         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
10264         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
10265         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
10266         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
10267         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
10268         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
10269         (TARGET_OPTIONS): Delete.
10270         * config/avr/avr.opt: New file.
10271
10272 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
10273
10274         * config/m32r/m32r-protos.h: Remove the prototypes for
10275         call_address_operand, symbolic_operand, seth_add3_operand,
10276         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
10277         reg_or_uint16_operand, reg_or_cmp_int16_operand,
10278         two_insn_const_operand, move_src_operand,
10279         move_double_src_operand, move_dest_operand,
10280         eqne_comparison_operator, signed_comparison_operator,
10281         large_insn_p, conditional_move_operand, carry_compare_operand,
10282         m32r_block_immediate_operand, extend_operand,
10283         reg_or_eq_int16_operand, int8_operand, and
10284         reg_or_zero_operand.
10285         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
10286         seth_add3_operand, int8_operand, cmp_int16_operand,
10287         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
10288         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
10289         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
10290         move_double_src_operand, move_dest_operand,
10291         eqne_comparison_operator, signed_comparison_operator,
10292         extend_operand, small_insn_p, large_insn_p,
10293         conditional_move_operand, carry_compare_operand,
10294         m32r_block_immediate_operand): Move to predicates.md.
10295         (MAX_MOVE_BYTES): Move to m32r.h.
10296         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
10297         * config/m32r/m32r.md: Include predicates.md.
10298         * config/m32r/predicates.md: New.
10299
10300 2005-03-18  James E Wilson  <wilson@specifixinc.com>
10301
10302         PR c++/19769
10303         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
10304         origin.
10305
10306 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
10307
10308         * config/mn10300/mn10300-protos.h: Remove the prototypes for
10309         call_address_operand, const_8bit_operand.
10310         * config/mn10300/mn10300.c (call_address_operand,
10311         const_8bit_operand, const_1f_operand): Move to predicates.md.
10312         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
10313         * config/mn10300/mn10300.md: Include predicates.md.
10314         * config/mn10300/predicates.md: New.
10315
10316 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
10317
10318         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
10319         declarations in diagnostics and %E for identifiers, not %s.
10320
10321 2005-03-18  Jan Hubicka  <jh@suse.cz>
10322             Dale Johannesen  <dalej@apple.com>
10323
10324         * basic-block.h (scale_bbs_frequencies_int,
10325         scale_bbs_frequencies_gcov_type): Declare.
10326         * cfg.c (RDIV): New macro.
10327         (update_bb_frequency_for_threading): Fix.
10328         * basic-block.h (scale_bbs_frequencies_int,
10329         scale_bbs_frequencies_gcov_type): New.
10330         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
10331         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
10332         scale_bbs_frequencies_int.
10333         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
10334
10335 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
10336
10337         * config/m32r/m32r-protos.h: Remove the prototypes for
10338         call_address_operand, symbolic_operand, seth_add3_operand,
10339         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
10340         reg_or_uint16_operand, reg_or_cmp_int16_operand,
10341         two_insn_const_operand, move_src_operand,
10342         move_double_src_operand, move_dest_operand,
10343         eqne_comparison_operator, signed_comparison_operator,
10344         large_insn_p, conditional_move_operand, carry_compare_operand,
10345         m32r_block_immediate_operand, extend_operand,
10346         reg_or_eq_int16_operand, int8_operand, and
10347         reg_or_zero_operand.
10348         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
10349         seth_add3_operand, int8_operand, cmp_int16_operand,
10350         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
10351         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
10352         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
10353         move_double_src_operand, move_dest_operand,
10354         eqne_comparison_operator, signed_comparison_operator,
10355         extend_operand, small_insn_p, large_insn_p,
10356         conditional_move_operand, carry_compare_operand,
10357         m32r_block_immediate_operand): Move to predicates.md.
10358         (MAX_MOVE_BYTES): Move to m32r.h.
10359         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
10360         * config/m32r/m32r.md: Include predicates.md.
10361         * config/m32r/predicates.md: New.
10362
10363         * config/pa/pa-protos.h: Add prototypes for magic_milli and
10364         shadd_constant_p.
10365         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
10366         symbolic_operand, symbolic_memory_operand,
10367         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
10368         indexed_memory_operand, move_dest_operand, move_src_operand,
10369         prefetch_cc_operand, prefetch_nocc_operand,
10370         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
10371         arith_operand, arith11_operand, pre_cint_operand,
10372         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
10373         ireg_operand, int5_operand, uint5_operand, int11_operand,
10374         uint32_operand, arith5_operand, and_operand, ior_operand,
10375         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
10376         pc_or_label_operand, div_operand, plus_xor_ior_operator,
10377         shadd_operand, movb_comparison_operator,
10378         cmpib_comparison_operator): Move to predicates.md.
10379         (magic_milli, shadd_constant_p): Make it extern.
10380         * config/pa/pa.h (PREDICATE_CODES): Remove.
10381         * config/pa/pa.md: Include predicates.md.
10382         * config/pa/predicates.md: New.
10383
10384         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
10385         predicate.
10386
10387 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
10388
10389         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
10390         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
10391         config/alpha/freebsd.h, config/alpha/linux.h,
10392         config/alpha/netbsd.h, config/alpha/osf5.h,
10393         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
10394         config/h8300/h8300-protos.h, config/h8300/h8300.c,
10395         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
10396         doc/cppopts.texi: Update copyright.
10397
10398 2005-03-18  Jan Hubicka  <jh@suse.cz>
10399
10400         PR middle-end/20225
10401         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
10402         too late.
10403         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
10404         called too late.
10405
10406 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
10407
10408         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
10409         VEC_safe_push.
10410
10411 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
10412
10413         * combine.c (gen_binary): Remove.
10414         (known_cond, simplify_shift_const, find_split_point,
10415         combine_simplify_rtx, simplify_if_then_else, simplify_set,
10416         simplify_logical, expand_field_assignment, extract_left_shift,
10417         force_to_mode, if_then_else_cond, apply_distributive_law,
10418         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
10419         simplify_comparison, reversed_comparison): Replace with
10420         simplify_gen_binary, simplify_gen_relational or
10421         distribute_and_simplify_rtx.
10422         (distribute_and_simplify_rtx): New function.
10423
10424 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
10425             Paolo Bonzini  <gcc.gnu.org>
10426
10427         * calls.c (setjmp_call_p, special_function_p): Update comments
10428         at the head of the functions.
10429
10430 2005-03-18  Jan Hubicka  <jh@suse.cz>
10431
10432         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
10433
10434         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
10435         function body should be released; do not proactively release function
10436         bodies in non-unit-at-a-time mode.
10437
10438 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
10439
10440         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
10441         mno-fp-ret-in-387 multilib variants.
10442
10443 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
10444
10445         * common.opt (m): Remove.
10446         * opts.c (handle_option): Pass 'm' options to set_target_switch if
10447         table lookup fails.
10448         (common_handle_option): Remove OPT_m case.
10449
10450 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
10451
10452         * builtins.c (fold_builtin_bitop): Take decomposed arguments
10453         of CALL_EXPR.
10454         (fold_builtin_1): Update a call to fold_builtin_bitop.
10455
10456         * builtins.c (fold_builtin_signbit): Take decomposed arguments
10457         of CALL_EXPR.
10458         (fold_builtin_1): Update a call to fold_builtin_signbit.
10459
10460 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
10461
10462         PR tree-optimization/20474
10463         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
10464         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
10465
10466 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
10467
10468         * config/h8300/h8300-protos.h: Remove prototypes for
10469         general_operand_src, general_operand_dst, single_one_operand,
10470         single_zero_operand, call_insn_operand,
10471         two_insn_adds_subs_operand, small_call_insn_operand,
10472         jump_address_operand, bit_operand, bit_memory_operand,
10473         stack_pointer_operand, const_int_gt_2_operand,
10474         const_int_ge_8_operand, const_int_qi_operand,
10475         const_int_hi_operand, incdec_operand, bit_operator,
10476         nshift_operator, eqne_operator, gtle_operator,
10477         gtuleu_operator, iorxor_operator.
10478         Add prototypes for h8sx_shift_type h8sx_classify_shift and
10479         h8300_ldm_stm_parallel.
10480         * config/h8300/h8300.c (h8sx_shift_type,): Move to
10481         h8300-protos.h.
10482         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
10483         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
10484         (h8300_ldm_stm_parallel): Make it extern.
10485         (h8300_ldm_parallel, h8300_stm_parallel,
10486         h8300_return_parallel, general_operand_src,
10487         general_operand_dst, h8300_dst_operand, h8300_src_operand,
10488         nibble_operand, reg_or_nibble_operand, single_one_operand,
10489         single_zero_operand, call_insn_operand,
10490         two_insn_adds_subs_operand, small_call_insn_operand,
10491         jump_address_operand, bit_operand, bit_memory_operand,
10492         stack_pointer_operand, const_int_gt_2_operand,
10493         const_int_ge_8_operand, const_int_qi_operand,
10494         const_int_hi_operand, incdec_operand, eqne_operator,
10495         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
10496         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
10497         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
10498         nshift_operator): Move to predicates.md.
10499         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
10500         * config/h8300/h8300.md: Include predicates.md.
10501         * config/h8300/predicates.md: New.
10502
10503 2005-03-17  Richard Henderson  <rth@redhat.com>
10504
10505         * config.gcc (ia64*-*-hpux*): Add extra_options.
10506         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
10507         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
10508         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
10509         (ia64_tls_size_string, ia64_tune_string): Remove.
10510         (ia64_tune): Init to PROCESSOR_ITANIUM2.
10511         (TARGET_DEFAULT_TARGET_FLAGS): New.
10512         (TARGET_HANDLE_OPTION): New.
10513         (ia64_override_options): Move options parsing ...
10514         (ia64_handle_option): ... here.  New.
10515         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
10516         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
10517         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
10518         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
10519         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
10520         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
10521         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
10522         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
10523         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
10524         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
10525         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
10526         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
10527         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
10528         TARGET_EARLY_STOP_BITS): Remove.
10529         (TARGET_ILP32): Default false.
10530         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
10531         (enum ia64_inline_type): New.
10532         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
10533         * config/ia64/ia64.md: Update for new definitions of
10534         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
10535         * config/ia64/ia64.opt: New file.
10536         * config/ia64/ilp32.opt: New file.
10537
10538 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
10539
10540         PR target/18380
10541         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
10542
10543 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
10544
10545         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
10546         instead of MASK_H8300S.
10547         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
10548         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
10549         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
10550         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
10551         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
10552         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
10553         TARGET_SWITCHES): Remove.
10554         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
10555         TARGET_H8300SX.
10556         * config/h8300/h8300.opt: New.
10557
10558         * config/alpha/alpha.opt, config/arc/arc.opt,
10559         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
10560         notices.
10561
10562 2005-03-17  Ian Lance Taylor  <ian@airs.com>
10563
10564         * gmon.c: Remove.
10565
10566 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
10567
10568         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
10569         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
10570         (TARGET_HANDLE_OPTION): Override default.
10571         (arc_handle_option): New function.
10572         (arc_init): Remove code to set arch_cpu_string.
10573         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
10574         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
10575         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
10576         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
10577         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
10578         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
10579         (arc_rodata_string, TARGET_OPTIONS): Delete.
10580         * config/arc/arc.opt: New file.
10581
10582 2005-03-17  Richard Henderson  <rth@redhat.com>
10583
10584         * doc/extend.texi (Weak Pragmas): New section.
10585         (attribute alias): Clarify that target must be in the same
10586         translation unit.
10587
10588 2005-03-17  Richard Henderson  <rth@redhat.com>
10589
10590         * config/alpha/alpha.opt: New file.
10591         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
10592         of alpha_cpu.
10593         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
10594         alpha_fprm_string, alpha_fptm_string): Make static.
10595         (alpha_tls_size_string): Remove.
10596         (alpha_handle_option): New.
10597         (override_options): Update for alpha_cpu/alpha_tune split.
10598         (alpha_file_start): Likewise.
10599         (TARGET_DEFAULT_TARGET_FLAGS): New.
10600         (TARGET_HANDLE_OPTION): New.
10601         * config/alpha/alpha.h (alpha_tune): Declare.
10602         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
10603         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
10604         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
10605         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
10606         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
10607         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
10608         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
10609         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
10610         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
10611         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
10612         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
10613         (TARGET_DEFAULT): Remove MASK_FP.
10614         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
10615         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
10616         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
10617         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
10618         alpha_tls_size_string): Remove.
10619         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
10620         (attribute tune): Rename from attribute cpu.
10621         * config/alpha/ev4.md: Update to match.
10622         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
10623         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
10624         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
10625         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
10626         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
10627         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
10628
10629 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
10630
10631         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
10632         and return without creating new state if before_nops_num is nonzero.
10633         * config/ia64/ia64.md (first_insn): New attribute.
10634         (alloc): Set it to yes.
10635
10636 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
10637
10638         * tree-vectorizer.c (new_vec_stmt_info): Initialize
10639         STMT_VINFO_SUBVARS to NULL.
10640         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
10641
10642 2005-03-16 Dale Johannesen  <dalej@apple.com>
10643
10644         * rtlanal.c (find_first_parameter_load):  Rewrite to
10645         return actual first param load or the call if none,
10646         instead of first in block, when not all loads exist.
10647
10648 2005-03-16  Roger Sayle  <roger@eyesopen.com>
10649
10650         * optabs.c (expand_copysign_absneg): Make static.
10651         * optabs.h (expand_copysign_absneg): Delete prototype.
10652         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
10653
10654 2005-03-16  Richard Henderson  <rth@redhat.com>
10655
10656         PR middle-end/15700
10657         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
10658         (alias_pairs): Rename from output_defs.
10659         (find_decl_and_mark_needed): Split out from assemble_alias.
10660         (do_assemble_alias): New.
10661         (assemble_output_def): Remove.
10662         (finish_aliases_1, finish_aliases_2): New.
10663         (process_pending_assemble_output_defs): Remove.
10664         (assemble_alias): Defer aliases for which we don't yet have a
10665         non-external decl for the target symbol.
10666         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
10667         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
10668         * toplev.c (compile_file): Use finish_aliases_2 instead of
10669         process_pending_assemble_output_defs.
10670         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
10671         (process_pending_assemble_output_defs): Remove.
10672
10673 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
10674
10675         Fix PR tree-optimization/20489
10676
10677         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
10678         for empty structures.
10679
10680 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
10681
10682         Fix PR tree-optimization/20490
10683
10684         * tree-ssa-pre.c (create_expression_by_pieces): Use
10685         force_gimple_operand on result of fold.
10686
10687 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
10688
10689         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
10690         of closing parenthesis.
10691
10692 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
10693
10694         * builtins.c (expand_movstr): Update a call to
10695         fold_builtin_strcpy.
10696         (expand_builtin_strncpy): Update a call to
10697         fold_builtin_strncpy.
10698         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
10699         arguments of CALL_EXPR.
10700         (fold_builtin_1): Update calls to fold_builtin_strcpy and
10701         fold_builtin_strncpy.
10702         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
10703         * tree.h: Update the prototypes of fold_builtin_strcpy and
10704         fold_builtin_strncpy.
10705
10706 2005-03-16  Steven Bosscher  <stevenb@suse.de>
10707             Dorit Naishlos  <dorit@il.ibm.com>
10708
10709         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
10710         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
10711         error.
10712
10713 2005-03-16  Steven Bosscher  <stevenb@suse.de>
10714
10715         * tree-inline.c (walk_type_fields, walk_tree,
10716         walk_tree_without_duplicates): Move from here...
10717         * tree.c: ...to here.
10718
10719 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
10720
10721         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
10722         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
10723         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
10724         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
10725         (version): Define using $(BASEVER_c).
10726         (Makefile, config.status, build/gcov-iov.o): No longer depends on
10727         version.c.
10728         (version.o): Depend on version files; add custom generation command.
10729         (prefix.o): Define BASEVER on command line.
10730         (s-iov): Depend on version files; adjust command.
10731         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
10732         Add gcc-vers.texi.
10733         (gcc-vers.texi): New rule.
10734         (doc/%.info, doc/%.dvi): Add -I . to command line.
10735         (doc/gccinstall.dvi): Likewise.
10736         (PACKAGE): Delete.  All uses replaced with "gcc".
10737         * aclocal.m4: Do not include gcc-version.m4.
10738         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
10739         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
10740         Set is_release based on contents of DEV-PHASE.
10741         Set gcc_version based on contents of BASE-VER.
10742         Define WIN32_REGISTRY_KEY only if the user overrode the default.
10743         * config.in, configure: Regenerate.
10744         * gccbug.in: Determine version of GCC in use at runtime.
10745         * gcov-iov.c: Get version number and development phase from
10746         command line, not by including version.c.
10747         * intl.c: Replace all uses of PACKAGE with "gcc".
10748         * libada-mk.in: Delete unused "gcc_version" variable.
10749         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
10750         * version.c: (VERSUFFIX): New hook for redistributors; adjust
10751         commentary to match.
10752         (version_string): Put together from pieces.
10753         * config/alpha/x-vms: Do not use $(gcc_version).
10754         * config/i386/t-nwld: Likewise.
10755         * doc/include/gcc-common.texi: Include gcc-vers.texi for
10756         version-GCC and DEVELOPMENT.
10757
10758 2005-03-15  Roger Sayle  <roger@eyesopen.com>
10759
10760         PR tree-optimization/17454
10761         * tree.c (tree_size): Add case for TREE_BINFO.
10762         * fold-const.c (fold_checksum_tree): Only clear the overloaded
10763         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
10764
10765 2005-03-15  Roger Sayle  <roger@eyesopen.com>
10766
10767         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
10768         op1 whilst expanding the signed widenening multiply variant.
10769
10770 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
10771
10772         * toplev.c (display_target_options): Avoid unused variable warning if
10773         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
10774         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
10775         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
10776         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
10777         (mips_isa_info): New variable.
10778         (mips_parse_cpu): Remove the first argument and leave the caller
10779         to report errors.
10780         (TARGET_HANDLE_OPTION): Override default.
10781         (mips_handle_option): New function.  Move option validation code from...
10782         (override_options): ...here.  Update calls to mips_parse_cpu.
10783         * config/mips/mips.h (mips_arch_string, mips_tune_string)
10784         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
10785         (SUBTARGET_TARGET_OPTIONS): Delete.
10786         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
10787         (mno-flush-func, mtune=): New options.
10788
10789 2005-03-15  Roger Sayle  <roger@eyesopen.com>
10790             Richard Henderson  <rth@redhat.com>
10791
10792         * real.c (c4x_single_format, c4x_extended_format): Provide values
10793         for signbit_ro for c4x's single and extended floating point formats.
10794         * optabs.c (expand_copysign): Use the floating point format's
10795         signbit_ro for expanding via expand_copysign_absneg, and it's
10796         signbit_rw field for expanding via expand_copysign_bit.
10797
10798 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
10799
10800         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
10801         known_alignment_for_access_p.
10802         (known_alignment_for_access_p): New.
10803         (do_peeling_for_alignment): Field made int instead of bool and renamed
10804         to peeling_for_alignment.
10805         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
10806         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
10807         functionality used to be in vect_analyze_operations.
10808         (vect_analyze_operations): Code to determine vectorization factor was
10809         moved to vect_determine_vectorization_factor.
10810         (vect_enhance_data_refs_alignment): Update to correct alignment when it
10811         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
10812         factor.
10813         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
10814         be part of vect_analyze_operations).
10815         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
10816         creating the guard condition, as the number of iterations may be
10817         constant.
10818         (slpeel_tree_peel_loop_to_edge): Use new name of
10819         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
10820         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
10821         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
10822         (vect_do_peeling_for_alignment): Use fold.
10823         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
10824
10825         (vect_update_inits_of_dr): Renamed to
10826         vect_update_init_of_dr.
10827         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
10828         (vectorizable_store): Fix assertion to use == instead of =.
10829
10830 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
10831
10832         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
10833         call_used_regs for wCG registers.
10834
10835 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
10836
10837         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
10838         for non-offsettable memory references to cope with outstanding reload
10839         replacements, take 2.
10840
10841 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
10842
10843         PR target/18668
10844         * config/i386/i386.h (x86_fisttp): New.
10845         (TARGET_FISTTP): New macro.
10846         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
10847         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
10848         instruction when fisttp flag is set.
10849         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
10850
10851         * config/i386/i386.md (type attribute): Add fisttp.
10852         (unit attribute): Set to i387 for fisttp type.
10853         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
10854         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
10855         TARGET_FISTTP.
10856         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
10857         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
10858         macros.
10859         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
10860         patterns for TARGET_FISTTP.  Enable patterns for
10861         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
10862         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
10863         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
10864         implement fisttp x87 insn.
10865         (fix_trunc*_i387_fisttp splitters): New patterns.
10866         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
10867         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
10868         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
10869         clobber.
10870         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
10871         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
10872         Implement using mode macros. Disable patterns for TARGET_FISTTP.
10873         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
10874         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
10875         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
10876         Disable patterns for TARGET_FISTTP.
10877         (fix_trunc*_i387 splitters): Implement usign mode macros.
10878         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
10879         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
10880         (fix_trunx*_sse peephole2s): Implement using mode macros.
10881
10882 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
10883
10884         PR rtl-optimization/20291
10885         * combine.c (try_combine): If splitting fails, re-try with
10886         original combined pattern, i.e. before clobber stripping.
10887
10888 2005-03-14  Eric Christopher  <echristo@redhat.com>
10889
10890         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
10891         STACK_GROWS_DOWNWARD.
10892
10893 2005-03-14  Roger Sayle  <roger@eyesopen.com>
10894
10895         * real.h (struct real_format): Split the signbit field into two
10896         two fields, signbit_ro and signbit_rw.
10897         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
10898         mips_double_format, ieee_extended_motorola_format,
10899         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
10900         ieee_extended_intel_128_format, ibm_extended_format,
10901         mips_extended_format, ieee_quad_format, mips_quad_format,
10902         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
10903         i370_double_format, c4x_single_format, c4x_extended_format,
10904         real_internal_format): Update initializers for new field.
10905         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
10906         real_format structure.
10907         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
10908         field of the real_format structure.
10909
10910 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
10911
10912         Fix PR tree-optimization/20458
10913
10914         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
10915         DECL_EXTERNAL on STRUCT_FIELD tags.
10916         (clear_call_clobbered): Ditto.
10917         * tree-ssa-operands.c (note_addressable): Make sure the original
10918         variable doesn't slip into the addressable list if we have
10919         subvars.
10920         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
10921         tags too.
10922
10923 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
10924
10925         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
10926         (-fwide-exec-charset): Likewise.
10927         (-finput-charset): Likewise.
10928         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
10929         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
10930         * c.opt (Wnormalized): New.
10931
10932 2005-03-14  Devang Patel  <dpatel@apple.com>
10933
10934         * doc/invoke.texi: Add reference to Visibility document.
10935
10936 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
10937
10938         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
10939         MASK_SPLIT_ADDRESSES.
10940         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
10941         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
10942         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
10943         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
10944         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
10945         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
10946         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
10947         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
10948         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
10949         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
10950         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
10951         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
10952         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
10953         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
10954         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
10955         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
10956         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
10957         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
10958         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
10959         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
10960         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
10961         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
10962         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
10963         (TARGET_EXPLICIT_RELOCS): Delete.
10964         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
10965         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
10966         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
10967         (override_options): Set MASK_LONG64 if -mint64 is given and no
10968         -mlongXX option is.  Complain about -mint64 -mlong32.
10969         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
10970         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
10971         * config/mips/mips.opt: New file.
10972
10973 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
10974
10975         * config.gcc (extra_options): New variable for listing option files.
10976         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
10977         * configure.ac (extra_opt_files): New AC_SUBST variable.
10978         (tm_file_list, tm_include_list): Include options.h first.
10979         * configure: Regenerate.
10980         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
10981         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
10982         (s-options-h): New rule.
10983         (options.h): Depend on it.
10984         (TEXI_GCCINT_FILES): Add options.texi.
10985         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
10986         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
10987         * target.h (gcc_target): Add default_target_flags and handle_option.
10988         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
10989         (TARGET_HANDLE_OPTION): New macros.
10990         (TARGET_INITIALIZER): Include them.
10991         * opt-functions.awk (opt_args, nth_arg): New functions.
10992         (switch_flags): Handle the "Target" flag.
10993         (var_args): Delete.
10994         (var_name): Use opt_args and nth_arg.
10995         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
10996         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
10997         macros for the "Mask" and "InverseMask" options.
10998         * opts.h (cl_var_cond): New enum.
10999         (cl_option): Replace the "has_set_value" and "set_value" fields with
11000         "var_cond" and "var_value".
11001         (CL_TARGET): New macro.
11002         (option_enabled, print_filtered_help): Declare.
11003         (decode_options): Move definition.
11004         * opts.c (handle_option): Search for the original option before
11005         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
11006         var_cond and var_value fields.  Use targetm.handle_option to handle
11007         target options.
11008         (decode_options): Set target_flags to targetm.default_target_flags.
11009         (print_filtered_help): Make global.  Handle CL_TARGET.
11010         (option_enabled): New function.
11011         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
11012         (display_target_options, set_target_switch, print_switch_values)
11013         (default_pch_valid_p): Guard uses of target_switches with
11014         #ifdef TARGET_SWITCHES.  Also...
11015         (display_target_options): Display the CL_TARGET entries in cl_options.
11016         (set_target_option): Don't complain about the "" option when
11017         TARGET_SWITCHES is undefined.
11018         (print_switch_values): Use option_enabled.
11019         (default_pch_valid_p): Check cl_options[] when looking for something
11020         that has changed the value of target_flags.
11021         * c.opt: Remove documentation from top of file.
11022         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
11023         * doc/sourecebuild.texi: Refer to the new options documentation
11024         instead of c.opt.  Document machine-specific .opt files.
11025         * doc/tm.texi (target_flags): Say that this variable is declared
11026         by options.h.
11027         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
11028         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
11029         an alternative.
11030         * doc/options.texi: New file.
11031
11032 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
11033
11034         PR middle-end/18628
11035         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
11036         register.
11037
11038 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
11039
11040         PR c++/20280
11041         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
11042         temporary variable of pointer type if an lvalues is required.
11043         (gimplify_modify_expr_rhs): Request an rvalue from it.
11044         (gimplify_expr): Pass fallback on.
11045
11046 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
11047
11048         * cfgbuild.c: Update comments.
11049
11050 2005-03-14  Roger Sayle  <roger@eyesopen.com>
11051
11052         PR rtl-optimization/17236
11053         * optabs.c (expand_doubleword_mult): New helper function split out
11054         from expand_binop.  Permute the order in which instructions are
11055         emitted to minimize the number of simultaneously live registers.
11056         (expand_binop): Call expand_doubleword_mult to synthesize a double
11057         word multiplication.
11058
11059 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
11060
11061         * basic-block.h: Update the prototypes of cached_make_edge and
11062         rtl_make_eh_edge.
11063         * cfg.c (cached_make_edge): Take edge_cache representing one
11064         row of the adjacency matrix of edges.
11065         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
11066         (make_edges): Initialize edge_cache to represent one row of
11067         the adjacency matrix of edges.
11068
11069 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
11070
11071         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
11072         New functions.
11073         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
11074         Remove unused removed_phis variable.
11075         (conditional_replacement): Use build1/build2.
11076         (abs_replacement): Use last_and_only_stmt and build1/build2.
11077
11078 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
11079
11080         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
11081         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
11082         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
11083         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
11084         * c-common.c (handle_novops_attribute): New function.
11085         (c_common_attribute_table): Add "no vops" entry.
11086         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
11087         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
11088         * tree-ssa-operands.c (get_call_expr_operands): Do not
11089         create virtual operands for calls with ECF_NOVOPS flag.
11090         * tree.h (DECL_IS_NOVOPS): New macro.
11091         (struct tree_decl): Add novops_flag.
11092         (ECF_NOVOPS): New constant.
11093
11094 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
11095
11096         PR target/17688
11097         * config/i386/i386.c (x86_use_himode_fiop): New.
11098         (x86_use_simode_fiop): Rename from x86_use_fiop.
11099         * config/i386/i386.h (x86_use_himode_fiop): Declare.
11100         (TARGET_USE_HIMODE_FIOP): New.
11101         (x86_use_simode_fiop): Rename from x86_use_fiop.
11102         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
11103
11104         * config/i386/i386.md (X87MODEI12): New mode macro define.
11105         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
11106         to implement x87 FP compare with HImode input operands.
11107         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
11108         Use X87MODEI12 mode macro to handle HImode input operands.
11109         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
11110         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
11111         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
11112         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
11113         macro to implement x87 operators with HImode input operands.
11114         (fop splitters): Use X87MODEI12 mode macro to handle HImode
11115         input operands.
11116
11117 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
11118
11119         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
11120         integer_zerop.
11121         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
11122         constants invariant.
11123
11124 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
11125
11126         * basic-block.h (BB_VISITED): Removed.
11127         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
11128
11129 2005-03-14  Falk Hueffner  <falk@debian.org>
11130
11131         PR bootstrap/20424
11132         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
11133
11134 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
11135
11136         * ggc-zone.c: Fix comment typos.
11137
11138         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
11139         stringpool.c, config/mips/mips-protos.h: Update copyright.
11140
11141 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
11142
11143         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
11144         throughout with its typedef, "rtx".
11145         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
11146         (rs6000_tls_symbol_ref_1): Remove inline keyword.
11147         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
11148         regs in comment to match code.
11149
11150 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
11151
11152         * except.c (check_handled): Make it static.
11153         * except.h: Remove the corresponding prototype.
11154
11155         * function.c (get_func_frame_size): Make it static.
11156         * function.h: Remove the corresponding type.
11157
11158         * regclass.c (reg_class_superclasses, reg_class_subclasses):
11159         Make them static.
11160         * hard-reg-set.h: Remove the corresponding declarations.
11161
11162         * tree-cfg.c (verify_stmts): Check that
11163         bb_for_stmt (stmt) == bb for every PHI node and statement.
11164
11165 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
11166
11167         * config.gcc: Remove excess indentation.
11168         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
11169
11170 2005-03-13  Roger Sayle  <roger@eyesopen.com>
11171
11172         PR middle-end/19331
11173         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
11174         * fold-const.c (fold_sign_changed_comparison): Likewise.
11175         (fold_binary): Optimize comparisons against widened operands if
11176         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
11177
11178 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
11179
11180         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
11181         (sparc_override_options): Initialize it.
11182         (sparc_struct_value_rtx): Set it on the MEM to be returned.
11183
11184 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
11185
11186         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
11187         (reg_or_none500mem_operand): New predicate.
11188         (zero_reg_mem_operand): New predicate.
11189         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
11190         to reg_or_none500mem_operand.
11191         (extendsfdf2_fpr): Add MEM alternative.
11192         (extenddftf2_internal): Change operand2 predicate to
11193         zero_reg_mem_operand.
11194
11195 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
11196
11197         * ggc-zone.c: Rewritten.
11198
11199         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
11200         if there are none.
11201         * configure.ac: Define GGC_ZONE for --with-gc=zone.
11202         * config.in: Regenerated.
11203         * configure: Regenerated.
11204         * gengtype.c (write_types_process_field, write_func_for_structure):
11205         Pass new argument to gt_pch_note_object.
11206         * ggc-common.c (struct ptr_data): Add TYPE.
11207         (gt_pch_note_object): Take TYPE argument and save it.
11208         (call_count): Update call to ggc_pch_count_object.
11209         (call_alloc): Update call to ggc_pch_alloc_object.
11210         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
11211         file.
11212         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
11213         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
11214         (ggc_alloc_zone_stat): Delete.
11215         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
11216         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
11217         (ggc_pch_alloc_object): Update prototypes.
11218         (garbage_zone): Delete.
11219         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
11220         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
11221         pointers.
11222         (tree_id_zone): New variable.
11223         (ggc_alloc_cleared_zone): Remove unused.
11224         (ggc_alloc_zone): Define.
11225         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
11226         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
11227         ggc_alloc_zone_stat.
11228         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
11229         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
11230         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
11231         (make_node_stat): Likewise.  Use tree_id_zone.
11232
11233 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
11234             Joseph S. Myers  <joseph@codesourcery.com>
11235
11236         * configure.ac: Check for MIPS TLS.
11237         * configure: Regenerated.
11238         * config/mips/mips-protos.h (enum mips_symbol_type): Add
11239         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
11240         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
11241         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
11242         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
11243         (mips_classify_symbol, mips_symbolic_constant_p)
11244         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
11245         (mips_tls_operand_p, mips_call_tls_get_addr)
11246         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
11247         (mips_tls_symbol_ref_1): New functions.
11248         (mips_legitimize_address, mips_legitimize_const_move): Call
11249         mips_legitimize_tls_address.
11250         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
11251         for MIPS16.
11252         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
11253         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
11254         (mips_char_to_class): Document V1_REG.
11255         (HAVE_AS_TLS): Provide default.
11256         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
11257         constants.
11258         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
11259         !TARGET_ABICALLS.
11260         (tls_get_tp_<mode>): New instruction.
11261
11262 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
11263
11264         * configure.ac: Update checks for target tools.
11265         * configure: Regenerated.
11266
11267 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
11268
11269         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
11270
11271 2005-03-13  Roger Sayle  <roger@eyesopen.com>
11272
11273         * expmed.c (expand_mult): Use synthetic multiplication sequences for
11274         more classes of DImode multiplication by constant.  Allow both
11275         multiplication by small negative constants (by performing a
11276         multiplication by a positive constant and negating the result) and
11277         multiplications by large powers of two, by using a left shift.
11278
11279 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
11280
11281         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
11282         of basic blocks into work_stack.
11283
11284         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
11285         config/mips/vr.h: Update copyright.
11286
11287         * c-decl.c (c_init_decl_processing): Remove useless calls to
11288         build_function_type.
11289
11290         * builtins.c (fold_trunc_transparent_mathfn,
11291         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
11292         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
11293         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
11294         fold_builtin_strcpy, fold_builtin_strncpy,
11295         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
11296         TREE_TYPE (exp).
11297
11298         * builtins.c (expand_builtin_mathfn_3): Remove local variable
11299         before_call.
11300
11301         * lambda-code.c (lambda_compute_auxillary_space): Remove local
11302         variable determinant.
11303
11304         * tree-cfg.c (group_case_labels): Remove local variable type.
11305
11306         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
11307         variable ann.
11308
11309         * tree-ssa-phiopt.c (value_replacement): Remove local variable
11310         result.
11311
11312 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
11313
11314         PR target/18251
11315         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
11316         (*movmemqi_insn): Delete.
11317         (*movmemhi): Delete.
11318
11319 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
11320
11321         * builtins.c (fold_builtin_classify): Take decomposed
11322         arguments of CALL_EXPR.
11323         (fold_builtin_1): Update a call to fold_builtin_classify.
11324
11325 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
11326
11327         PR c/20402
11328         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
11329         through into call to parser_xref_tag after parse error.
11330         (c_parser_struct_declaration): Consistently return NULL_TREE on
11331         error.
11332
11333 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
11334
11335         * tree-flow-inline.h (ref_contains_array_ref): New function.
11336         (lookup_subvars_for_var): Ditto.
11337         (get_subvars_for_var): Ditto.
11338         (var_can_have_subvars): Ditto.
11339
11340         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
11341         (struct subvar): New type.
11342
11343         * tree-dfa.c (okay_component_ref_for_subvars): New function.
11344
11345         * tree-optimize.c (init_tree_optimization_passes): Call
11346         pass_create_structure_vars.
11347
11348         * tree-ssa-alias.c: Include vec.h.
11349         (init_alias_info): Don't auto-clear call clobbered on struct-field
11350         tags.
11351         (compute_flow_insensitive_aliasing): Handle subvars.
11352         (group_aliases): Handle STRUCT_FIELD aliases.
11353         (setup_pointers_and_addressables): Ditto.
11354         Don't mark variables non-addressable if they still have
11355         addressable subvars.
11356         Also mark subvars addressable when the real variable is marked
11357         addressable.
11358         (add_pointed_to_var): Try to prune the pointed-to set by only
11359         pointing to subvars when possible.
11360         Otherwise, make sure we set addresses_needed and pt_vars to
11361         properly include subvars.
11362         (bitpos_of_field): New function.
11363         (push_fields_onto_fieldstack): Ditto.
11364         (get_or_create_used_part_for): Ditto.
11365         (create_overlap_variables_for): Ditto.
11366         (find_used_portions): Ditto.
11367         (create_structure_vars): Ditto.
11368         (pass_create_structure_vars): New structure.
11369
11370         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
11371         (get_expr_operands): Handle subvars.  Also try to turn
11372         COMPONENT_REF accesses into must-defs now that we can accurately
11373         portray it.
11374         (note_addressable): Try to only mark as addressable those subvars
11375         we know a COMPONENT_REF touches.
11376         (overlap_subvar): New function.
11377
11378         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
11379         Handle subvar storing.
11380         (vect_address_analysis): Update caller of vect_object_analysis.
11381
11382         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
11383
11384         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
11385         (STMT_VINFO_SUBVARS): New macro.
11386
11387         * common.opts: add flag_tree_salias.
11388
11389         * opts.c (decode_options): flag_tree_salias defaults to on.
11390
11391         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
11392
11393         * doc/tree-ssa.texi: Document structural alias analysis.
11394
11395 2005-03-12  Steven Bosscher  <stevenb@suse.de>
11396
11397         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
11398         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
11399         * tree-ssa-operands.c (get_expr_operands): Likewise.
11400         (get_expr_operands): Likewise for ERROR_MARK.
11401
11402 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
11403
11404         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
11405         var.
11406
11407         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
11408         removed_phis.
11409
11410         * tree-ssa-pre.c (compute_avail): Remove local variable val.
11411         (mark_operand_necessary): Remove local variable ver.
11412
11413         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
11414         variable prefix_len.
11415
11416         * value-prof.c (mod_subtract_transform): Remove local variable
11417         value.
11418
11419         * builtins.c (fold_builtin_exponent): Take decomposed
11420         arguments of CALL_EXPR.
11421         (fold_builtin_1): Update a call to fold_builtin_exponent.
11422
11423         * builtins.c (fold_builtin_logarithm): Take decomposed
11424         arguments of CALL_EXPR.
11425         (fold_builtin_1): Update a call to fold_builtin_logarithm.
11426
11427         * c-decl.c (c_init_decl_processing): Remove local variables
11428         ptr_ftype_void and ptr_ftype_ptr.
11429
11430         * gimplify.c (gimplify_expr): Remove local variables r0 and
11431         r1.
11432
11433         * reg-stack.c (move_for_stack_reg): Remove local variable
11434         push_insn.
11435         (compare_for_stack_reg): Remove local variable flags_user.
11436         (convert_regs_1): Remove local variable deleted.
11437
11438         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
11439         variable new_cond.
11440         (combine_blocks): Remove local variables exits and new_e.
11441
11442         * tree-inline.c (expand_call_inline): Remove local variable
11443         decl.
11444
11445         * tree-ssa-live.c (create_ssa_var_map,
11446         calculate_live_on_entry): Remove local variable snn.
11447
11448 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
11449
11450         * c-lex.c (c_lex_with_flags): Add parameter to call to
11451         cpp_spell_token.
11452
11453 2005-03-11  Per Bothner  <per@bothner.com>
11454
11455         * c-tree.h (struct c_declarator): New id_loc field.
11456         * c-pragma.h (c_lex_with_flags): Take position reference.
11457         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
11458         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
11459         (c_lex): Pass dummy location to c_lex_with_flags.
11460         * c-parser.c (c_lex_one_token): Set c_token's location using
11461         c_lex_with_flags, instead of input_location, which might be "ahead".
11462         (c_parser_direct_declarator): Set declarator's id_loc from
11463         c_token's id_loc.
11464         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
11465         declarator's id_loc, rather than probably-imprecise input_location.
11466         (build_id_declarator): Initialize c_declarator's id_loc field.
11467
11468 2005-03-11  Roger Sayle  <roger@eyesopen.com>
11469
11470         PR middle-end/20419
11471         * builtins.c (expand_builtin_signbit): Force the signbit's word
11472         into an integer register to avoid SUBREGs of floating point modes.
11473
11474 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
11475
11476         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
11477         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
11478         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
11479         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
11480
11481 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
11482
11483         PR rtl-optimization/20306
11484         * expr.c (emit_move_complex): Set try_int false if mode is
11485         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
11486         emit_block_move if try_int is true.
11487
11488 2005-03-11  Richard Henderson  <rth@redhat.com>
11489
11490         PR target/20415
11491         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
11492         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
11493         to match.
11494
11495 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
11496
11497         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
11498         (TARGET_FIX_VR4130): New macro.
11499         (TARGET_OPTIONS): Add -mfix-vr4130.
11500         (ISA_HAS_MACCHI): New macro.
11501         (ASM_SPEC): Add -mfix-vr4130.
11502         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
11503         (override_options): Handle mips_fix_vr4130_string.
11504         (mips_avoid_hazards): Clear all_noreorder_p
11505         if we're working around VR4130 errata and the macc alternatives
11506         are not available.
11507         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
11508         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
11509         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
11510         (MULTILIB_DEFAULTS): Remove leading "march=".
11511         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
11512         if no architecture option is given.
11513         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
11514         VR4130 multilibs.
11515         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
11516         * doc/invoke.texi: Document -mfix-vr4130.
11517
11518 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
11519
11520         * config/mips/mips.c (override_options): Only warn about -mint64
11521         deprecation if TARGET_INT64.
11522
11523 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11524
11525         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
11526         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
11527         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
11528         are non-specific regarding the nonnull parameter positions.
11529         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
11530         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
11531         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
11532         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
11533
11534         * builtins.def: Use the non-specific "nonnull" attibute lists.
11535
11536 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
11537
11538         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
11539         single_pred_edge, single_succ, single_pred): Improve comments.
11540
11541 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
11542
11543         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
11544         single_pred_edge, single_succ, single_pred): New inline functions.
11545         * bb-reorder.c (rotate_loop, find_traces_1_round,
11546         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
11547         duplicate_computed_gotos): Use the single_succ/pred functions.
11548         * cfganal.c (forwarder_block_p): Ditto.
11549         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
11550         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
11551         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
11552         merge_seq_blocks): Ditto.
11553         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
11554         * cfglayout.c (fixup_reorder_chain): Ditto.
11555         * cfgloop.c (mark_single_exit_loops, update_latch_info,
11556         canonicalize_loop_headers, verify_loop_structure): Ditto.
11557         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
11558         mfb_update_loops, create_preheader, force_single_succ_latches,
11559         create_loop_notes): Ditto.
11560         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
11561         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
11562         commit_one_edge_insertion, purge_dead_edges,
11563         cfg_layout_can_merge_blocks_p): Ditto.
11564         * except.c (sjlj_emit_function_enter): Ditto.
11565         * flow.c (init_propagate_block_info): Ditto.
11566         * function.c (thread_prologue_and_epilogue_insns): Ditto.
11567         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
11568         insert_insn_end_bb): Ditto.
11569         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
11570         find_if_case_2): Ditto.
11571         * lambda-code.c (perfect_nestify): Ditto.
11572         * lcm.c (optimize_mode_switching): Ditto.
11573         * loop-doloop.c (doloop_modify): Ditto.
11574         * loop-init.c (loop_optimizer_init): Ditto.
11575         * loop-iv.c (simplify_using_initial_values): Ditto.
11576         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
11577         * loop-unswitch.c (unswitch_loop): Ditto.
11578         * modulo-sched.c (generate_prolog_epilog): Ditto.
11579         * predict.c (combine_predictions_for_insn, estimate_probability,
11580         tree_estimate_probability, last_basic_block_p,
11581         estimate_bb_frequencies): Ditto.
11582         * profile.c (branch_prob): Ditto.
11583         * regrename.c (copyprop_hardreg_forward): Ditto.
11584         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
11585         * tracer.c (layout_superblocks): Ditto.
11586         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
11587         cfg_remove_useless_stmts_bb, cleanup_control_flow,
11588         cleanup_control_expr_graph, disband_implicit_edges,
11589         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
11590         tree_verify_flow_info, tree_make_forwarder_block,
11591         tree_forwarder_block_p, remove_forwarder_block,
11592         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
11593         * tree-if-conv.c (tree_if_conversion): Ditto.
11594         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
11595         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
11596         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
11597         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
11598         copy_loop_headers): Ditto.
11599         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
11600         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
11601         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
11602         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
11603         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
11604         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
11605         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
11606         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
11607         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
11608         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
11609         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
11610         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
11611         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
11612         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
11613         slpeel_add_loop_guard): Ditto.
11614
11615 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
11616
11617         PR tree-optimization/15784
11618         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
11619         and -1 - A to ~A.
11620
11621         * stmt.c (expand_case): Don't change index_type.  Convert minval
11622         to the proper type.
11623
11624         PR tree-optimization/20130
11625         * fold-const.c (fold): Fold x * -1 into -x.
11626
11627 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
11628
11629         PR rtl-optimization/20331
11630         * rtlanal.c (modified_between_p): Check its address first for MEM.
11631         (modified_in_p): Likewise.
11632
11633 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
11634
11635         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
11636
11637 2005-03-10  Steven Bosscher  <stevenb@suse.de>
11638
11639         * expr.c (expand_expr_real_1): If possible, use a conditional
11640         move for expanding MIN_EXPR and MAX_EXPR.
11641         Use temp for moving around rtx-en.
11642
11643 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
11644
11645         PR rtl-opt/20412
11646         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
11647         correct mode.
11648
11649 2005-03-10  Roger Sayle  <roger@eyesopen.com>
11650
11651         * builtins.c (expand_builtin_signbit): Extend to handle floating
11652         point modes wider than the largest integer type, using the
11653         operand_subword_force function to obtain the signbit's word.
11654
11655 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
11656
11657         PR target/20322
11658         * combine.c (try_combine): If recog_for_combine added CLOBBERs
11659         to NEWI2PAT, fail to combine if they are used by NEWPAT.
11660
11661 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
11662
11663         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
11664
11665 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
11666
11667         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
11668         type void.
11669         (perform_edge_inserts): Unconditionally call
11670         free_dominator_info.
11671
11672         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
11673
11674 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
11675
11676         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
11677
11678 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
11679
11680         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
11681
11682         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
11683         gcc_unreachable.
11684         (rtl_register_value_prof_hooks,
11685         tree_value_profile_transformations,
11686         tree_register_value_prof_hooks): Likewise.
11687         * var-tracking.c (stack_adjust_offset_pre_post,
11688         variable_htab_free, variable_union, dataflow_set_different_2,
11689         count_uses, variable_was_changed, set_frame_base_location,
11690         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
11691         vt_add_function_parameters): Likewise.
11692         * varasm.c (named_section_real, named_section, make_decl_rtl,
11693         asm_emit_uninitialised, assemble_integer, decode_addr_const,
11694         const_hash_1, compare_constant, copy_constant, force_const_mem,
11695         output_constant_pool_2, output_constant_pool_1, output_constant,
11696         output_constructor, make_decl_one_only, decl_tls_model,
11697         default_no_named_section, default_elf_select_section_1,
11698         default_unique_section_1): Likewise.
11699         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
11700         * vmsdbgout.c (addr_const_to_string): Likewise.
11701
11702         PR c++/20375
11703         * function.c (struct assign_parm_data_one): Remove last_named
11704         field.
11705         (assign_parm_find_data_types): Don't determine last_named.
11706         Reorder named_parm determination.
11707         (assign_parms): Only setup varargs on the last non-varadic
11708         parameter.
11709
11710 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
11711
11712         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
11713         sda base address on medium model.
11714
11715 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
11716
11717         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
11718         * cfgloop.c (flow_loop_nodes_find): Export.
11719         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
11720         Declare.
11721         * cfgloopmanip.c (fix_loop_structure): New function.
11722         * predict.c (predict_loops): Clean up the loops information.
11723         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
11724         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
11725         loop structure.
11726         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
11727         (rewrite_into_loop_closed_ssa): Declaration changed.
11728         * tree-loop-linear.c (linear_transform_loops): Add argument to
11729         rewrite_into_loop_closed_ssa call.
11730         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11731         * tree-ssa-loop-im.c (move_computations): Ditto.
11732         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
11733         * tree-vectorizer.c (vectorize_loops): Ditto.
11734         * tree-optimize.c: Include cfgloop.h.
11735         (execute_todo): Choose whether to call cleanup_tree_cfg or
11736         cleanup_tree_cfg_loop.
11737         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
11738         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
11739         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
11740         cleanup_tree_cfg_loop call.
11741         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
11742         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
11743         work on part of cfg.
11744
11745 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
11746
11747         PR inline-asm/20314
11748         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
11749         with multiple alternatives.
11750
11751         * stmt.c (parse_output_constraint): Fix a typo.
11752
11753 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
11754
11755         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
11756         assembly directive instead of deprecated "no-generics".
11757
11758 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
11759
11760         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
11761         for non-offsettable memory references to cope with outstanding reload
11762         replacements.
11763         * config/s390/s390.md ("reload_outti"): Call find_replacement to
11764         avoid losing outstanding address reloads.
11765         ("reload_outdi", "reload_outdf"): Likewise.
11766
11767 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11768
11769         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
11770         code.  Add more cbrt transformations.
11771
11772 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11773
11774         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
11775
11776 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
11777
11778         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
11779         NULL_TREE when a given tree is not simplified.
11780         (fold): Return the original tree when any of the functions
11781         mentioned above NULL_TREE.
11782
11783         * fold-const.c (fold_unary, fold_binary): Take decomposed
11784         arguments, code, type, op0, and op1 in case of fold_binary.
11785         (fold): Update calls to fold_unary and fold_binary.
11786
11787 2005-03-09  Roger Sayle  <roger@eyesopen.com>
11788
11789         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
11790         a fndecl and an arglist instead of a CALL_EXPR, exp.
11791
11792 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
11793
11794         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
11795
11796         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
11797
11798         * expr.c (expand_assignment): Remove orig_to_rtx.
11799
11800         * fold-const.c (int_const_binop): Remove no_overflow.
11801
11802         * ifcvt.c (noce_emit_move_insn): Remove inmode.
11803
11804         * loop-iv.c (get_biv_step_1): Remove lhs.
11805
11806         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
11807
11808         * real.c (real_nan): Remove neg.
11809
11810         * function.c (thread_prologue_and_epilogue_insns): Remove i
11811         and newinsn.
11812
11813         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
11814         tb.
11815
11816         * tree-eh.c (tree_could_trap_p): Remove idx.
11817
11818         * tree-into-ssa.c (ann): Remove ann.
11819
11820         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
11821
11822         * tree-sra.c (decide_block_copy): Remove inst_count.
11823
11824         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
11825
11826         * tree-ssa-loop-im.c (lhs): Remove.
11827
11828         * cfgbuild.c (state, STATE, SET_STATE,
11829         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
11830         make_edges.
11831         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
11832         (find_basic_blocks): Set the state of each basic block to
11833         BLOCK_NEW.
11834
11835 2005-03-08  Jeff Law  <law@redhat.com>
11836
11837         * tree-cfg.c (cleanup_control_flow): If removal of a computed
11838         goto results in the removal of edges in the CFG, then we need
11839         to recompute dominators.
11840
11841 2005-03-09  Ben Elliston  <bje@au.ibm.com>
11842
11843         * c-common.c (c_do_switch_warnings): Comment fix.
11844
11845 2005-03-08  Julian Brown  <julian@codesourcery.com>
11846
11847         * Patch from 2005-03-08 reverted for causing regressions and
11848         ppc-darwin bootstrap failure.
11849
11850 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
11851
11852         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
11853         Define the real function for ppc-darwin.
11854         * c-typeck.c (convert_arguments): Check for target-specific
11855         invalid argument call to unprototyped function.
11856         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
11857         New Macro.
11858         * target.h (invalid_arg_for_unprototyped_fn): New field
11859         in struct calls.
11860         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
11861         default target hook.
11862         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
11863         Declare.
11864
11865 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
11866
11867         * c-typeck.c (constructor_stack, constructor_range_stack,
11868         initializer_stack): Make them static.
11869
11870         * cfg.c (rbi_pool): Make it static.
11871
11872         * gimple-low.c (lower_stmt_body): Make it static.
11873         * tree-flow.h: Remove the corresponding prototype.  Don't
11874         declare lower_data.
11875
11876         * sched-deps.c (cache_size): Make it static.
11877
11878         * stor-layout.c (lang_adjust_rli): Make it static.
11879
11880 2005-03-08  Julian Brown  <julian@codesourcery.com>
11881
11882         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
11883         from being used for symbols with vague linkage when
11884         HAVE_GAS_COMDAT_GROUP is true.
11885
11886 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
11887
11888         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
11889         nlabel == JUMP_LABEL (jump).
11890
11891 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
11892
11893         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
11894         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
11895         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
11896         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
11897
11898 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
11899
11900         PR c/14411
11901         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
11902         * c-common.c (handle_returns_twice): New function.
11903         (c_common_attribute_table): Declare eturns_twice' attribute.
11904         * doc/extend.texi: Document eturns_twice' attribute.
11905         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
11906         (struct tree_decl): Add returns_twice_flag.
11907
11908 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
11909
11910         * tree-ssa-phiopt.c: Fix a comment typo.
11911
11912         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
11913         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
11914         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
11915         copyright.
11916
11917 2005-03-08  Richard Henderson  <rth@redhat.com>
11918
11919         * config/alpha/alpha.c (code_for_builtin): Replace special-case
11920         builtin codes with ctzdi2, clzdi2, popcountdi2.
11921         (struct alpha_builtin_def): Add is_const.
11922         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
11923         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
11924         (alpha_init_builtins): Init them.  Set nothrow and const attributes
11925         on builtins.
11926         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
11927         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
11928         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
11929         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
11930         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
11931         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
11932         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
11933         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
11934         (TARGET_FOLD_BUILTIN): New.
11935         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
11936         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
11937         (ffsdi2): Use ctz.
11938         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
11939
11940 2005-03-08  Ira Rosen  <irar@il.ibm.com>
11941
11942         PR tree-optimization/20122
11943         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
11944         condition of access function instead of base.
11945
11946 2005-03-07  Jeff Law  <law@redhat.com>
11947             Steven Bosscher  <stevenb@suse.de>
11948
11949         * tree-cfg.c (find_taken_edge_computed_goto): New function.
11950         (find_taken_edge): Call find_taken_edge_computed_goto as
11951         appropriate.  Allow any gimple invariant rather than just
11952         INTEGER_CST for VAL.
11953         (cleanup_control_flow): Cleanup a computed goto which has turned
11954         into a simple goto.
11955         (tree_merge_blocks): If block B has any forced labels, move
11956         them to the start of block A.
11957         * tree-ssa-dom.c (thread_across_edge): Allow threading across
11958         computed gotos as well.
11959         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
11960         removal of unnecessary computed gotos too.
11961         (lookup_redirection_data): Fix type of INSERT argument.  Callers
11962         updated.
11963
11964 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
11965
11966         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
11967         Remove trailing spaces.
11968
11969         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
11970         unshare_all_trees): Make them static.
11971         * tree-gimple.h: Remove the corresponding prototypes.
11972
11973         * diagnostic.h: Remove unused prototype
11974         debug_output_buffer.
11975         * modulo-sched.c: Remove unused prototype
11976         set_row_column_for_ps.
11977
11978         * tree-ssa-phiopt.c (tree_ssa_phiopt,
11979         replace_phi_edge_with_variable): Remove unused variable i.
11980
11981 2005-03-07  Per Bothner  <per@bothner.com>
11982
11983         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
11984
11985 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
11986
11987         PR tree-opt/17671
11988         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
11989         bbs on the COND_EXPR instead of the PHI_NODEs.
11990         (candidate_bb_for_phi_optimization): Remove.
11991         (replace_phi_with_stmt): Rename to ...
11992         (replace_phi_edge_with_variable): this and change so that we
11993         replace the phi argument instead of removing the PHI.
11994         (conditional_replacement): Change so we deal with PHI with more
11995         than two arguments.
11996         (value_replacement): Likewise.
11997         (abs_replacement): Likewise.
11998
11999 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
12000
12001         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
12002         output_e500_flip_gt_bit.
12003
12004         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
12005         as bit 31.
12006         (rs6000_generate_compare): Fix logic to look at the correct bits.
12007         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
12008         Look at GT bit.
12009         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
12010         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
12011         gen_move_from_CR_gt_bit.
12012
12013         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
12014         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
12015         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
12016
12017         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
12018         (E500_CR_IOR_COMPARE): New constant.
12019
12020 2005-03-08  Earl Chew <earl_chew@agilent.com>
12021             David Billinghurst <David.Billinghurst@riotinto.com>
12022
12023         * config/i386/host-cygwin.c: New file to support precompiled
12024         headers on cygwin
12025         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
12026         * config.host: Use above files for cygwin host.
12027
12028 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
12029
12030         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
12031         ordering ops from earlier change.
12032
12033 2005-03-07  Per Bothner  <per@bothner.com>
12034
12035         Various fixes to allow us to again build if --enable-mapped-location:
12036         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
12037         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
12038         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
12039         local variable loc. Change logic appropriately.
12040         * tree-vect-transform.c (vect_finish_stmt_generation): Use
12041         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
12042         * c-parser.c (c_parser_for_statement): Initialize loc variable.
12043         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
12044         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
12045
12046 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
12047
12048         PR rtl-optimization/19683
12049         * reload1.c (choose_reload_regs): Pass the number of bits, not the
12050         number of bytes, to smallest_int_for_mode.  Fix arguments to
12051         REG_CANNOT_CHANGE_MODE_P.
12052
12053 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
12054
12055         * reorg.c (relax_delay_slots): Check that the jump is
12056         conditional before trying to invert it.
12057
12058 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
12059
12060         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
12061         Make them static.
12062
12063         * calls (stack_arg_under_construction): Make it static.
12064
12065         * flow.c (regs_live_at_setjmp): Make it static.
12066         * flow.h: Remove the corresponding prototype.
12067
12068         * reload1.c (reload_startobj, reload_firstobj,
12069         something_needs_operands_changed, reload_inherited,
12070         reload_inheritance_insn, reload_override_in,
12071         reload_spill_index): Make them static.
12072
12073         * recog.c (verify_changes): Make it static.
12074         * recog.h: Remove the corresponding prototype.
12075
12076         * cfgbuild.c (find_sub_basic_blocks): Remove.
12077         * basic-block.h: Remove the corresponding prototype.
12078         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
12079         in comments.
12080         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
12081
12082         * tree-ssa-operands.c (check_build_stmt): Remove.
12083
12084         * stor-layout.c (set_alignment): Remove.
12085         * tree.h: Remove the corresponding prototype.
12086
12087         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
12088
12089         * tree-ssa-dce.c (control_dependence_map,
12090         visited_control_parents): Make them static.
12091
12092         * cfghooks.c (verify_flow_info): Remove local variable
12093         num_bb_notes.
12094
12095         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
12096         last_bb_seen.
12097
12098         * loop-unswitch.c (unswitch_loop): Remove local variable src.
12099
12100 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
12101
12102         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
12103
12104 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
12105
12106         * config/ia64/hpux.h (LINK_SPEC): Add -z.
12107         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
12108         PARALLEL for an empty structure.
12109
12110 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
12111
12112         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
12113
12114         * fold-const.c (fold_binary): Unroll the very first "for"
12115         loop.
12116
12117 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
12118
12119         * config/rs6000/predicates.md (branch_comparison_operator): Remove
12120         redundant match_code test.
12121         (scc_comparison_operator): Swap match_operand and match_code
12122         tests.
12123         (branch_positive_comparison_operator): Same.
12124         (trap_comparison_operator): Use comparison_operator and swap with
12125         match_code test.
12126
12127 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
12128
12129         PR target/20288
12130         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
12131         (out_movhi_r_mr): Read low byte of volatile MEM first.
12132         (out_movhi_mr_r): Write high byte of volatile MEM first.
12133
12134 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
12135
12136         * cselib.c (reg_values, reg_values_size): Make them static.
12137
12138         * cse.c (cse_reg_info_table): Make it static.
12139
12140         * fold-const.c (fold_unary): Use build1 instead of copy_node.
12141
12142 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
12143
12144         * cse.c (find_best_addr): Use canon_for_address.
12145
12146 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
12147
12148         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
12149         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
12150         SUBREG and MEM, respectively.
12151
12152         * fold-const.c (fold_binary): Use code instead of t.
12153
12154         * fold-const.c (optimize_minmax_comparison): Take decomposed
12155         arguments code, type, op0, and op1 instead of t.
12156         (fold_binary): Update a call to optimize_minmax_comparison.
12157
12158         * fold-const.c (fold_range_test): Take decomposed arguments
12159         code, type, op0, and op1 instead of t.
12160         (fold_binary): Update a call to fold_range_test.
12161
12162         * fold-const.c (fold_binary_op_with_conditional_arg): Take
12163         decomposed arguments code, type, op0, and op1 instead of t.
12164         (fold_binary): Update a call to fold_range_test.
12165
12166 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
12167
12168         * fold-const.c (fold_binary): Avoid directly using the original
12169         expression t as much as possible.
12170
12171 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
12172
12173         * c-semantics.c (build_stmt): Use TYPE_P instead of
12174         IS_NON_TYPE_CODE_CLASS.
12175         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
12176         (NON_TYPE_CHECK): Use TYPE_P instead of
12177         IS_NON_TYPE_CODE_CLASS.
12178
12179         * fold-const.c (fold): Remove handling of binary expressions.
12180
12181 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
12182
12183         * doc/c-tree.texi: Wrap comments in @r{}.
12184         * doc/cpp.texi: Likewise.
12185         * doc/cppinternals.texi: Likewise.
12186         * doc/extend.texi: Likewise.
12187         * doc/md.texi: Likewise.
12188         * doc/objc.texi: Likewise.
12189         * doc/sourcebuild.texi: Likewise.
12190         * doc/tm.texi: Likewise.
12191         * doc/tree-ssa.texi
12192
12193 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
12194
12195         * predict.c (apply_return_prediction): Standardize PHI chain
12196         walking.
12197         * tree-ssa.c (ssa_redirect_edge): Likewise.
12198
12199         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
12200         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
12201         Update copyright.
12202
12203         * tree-phinodes.c (remove_phi_node): Drop the last argument.
12204         * tree-flow.h: Adjust the prototype for remove_phi_node.
12205         * lambda-code.c (perfect_nestify): Adjust a call to
12206         remove_phi_node.
12207         * tree-cfg.c
12208         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
12209         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
12210         Likewise.
12211         * tree-ssa-dce.c (remove_dead_phis): Likewise.
12212         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12213         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12214         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
12215
12216         * combine.c (simplify_and_const_int): Use gen_int_mode instead
12217         of GEN_INT (trunc_int_for_mode (...)).
12218         * loop-iv.c (iv_number_of_iterations): Likewise.
12219         * postreload.c (reload_cse_move2add): Likewise.
12220         * simplify-rtx.c (simplify_const_unary_operation,
12221         simplify_const_binary_operation): Likewise.
12222         * stor-layout.c (get_mode_bounds): Likewise.
12223
12224         * fold-const.c (fold_binary): New.
12225         (fold): Call fold_binary on binary expressions.
12226
12227 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
12228
12229         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
12230         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
12231         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
12232         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
12233         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
12234
12235 2005-03-04  Devang Patel  <dpatel@apple.com>
12236
12237         PR tree-optimization/18815
12238         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
12239         loops with zero exit edges.
12240
12241 2005-03-04  Devang Patel  <dpatel@apple.com>
12242
12243         * doc/invoke.texi: Remove reference to webpage that does not exist.
12244
12245 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
12246             Joseph S. Myers  <joseph@codesourcery.com>
12247
12248         PR c++/19797
12249         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
12250         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
12251         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
12252         * pa.c (get_plabel): Change argument to symbol_ref.  Call
12253         maybe_get_identifier instead of get_identifier.
12254         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
12255         (struct deferred_plabel): Replace name field with symbol field.
12256         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
12257         ASM_OUTPUT_EXTERNAL_REAL is defined.
12258         (output_global_address): Use output_addr_const for output of all
12259         symbol_refs.
12260         (output_deferred_plabels): Use symbol_ref instead of name for address
12261         output.
12262         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
12263         ASM_OUTPUT_SYMBOL_REF): New macros.
12264         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
12265         comment.
12266         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
12267         label.
12268
12269 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
12270
12271         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
12272         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
12273
12274 2005-03-04  Jeff Law  <law@redhat.com>
12275
12276         * basic-block.h (rediscover_loops_after_threading): Declare.
12277         * tree-ssa-dom.c: Include cfgloop.h.
12278         (tree_ssa_dominator_optimize): Discover loops and some basic
12279         properties.  Remove forwarder blocks recreated by loop header
12280         canonicalization.  Also mark backedges in the CFG.
12281         * tree-ssa-threadupdate.c: Include cfgloop.h
12282         (rediscover_loops_after_threading): Define.
12283         (struct local_info): New field, JUMP_THREADED.
12284         (prune_undesirable_thread_requests): New function.
12285         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
12286         then record that fact for the callers of redirct_edges.
12287         (thread_block): If BB has incoming backedges, then call
12288         prune_undesirable_thraed_requests.    Note when we are
12289         going to have to rediscover loop information.  Return a
12290         boolean indicating if any jumps were threaded.
12291         (thread_through_all_blocks): Bubble up boolean indicating
12292         if any jumps were threaded.
12293         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
12294         (tree-ssa-threadupdate.o): Similarly.
12295
12296 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
12297
12298         * fold-const.c (fold_ternary): Unroll the "for" loop to
12299         extract operands.
12300
12301 2005-03-04  Andrew Haley  <aph@redhat.com>
12302
12303         * unwind-dw2-fde-glibc.c (struct
12304         unw_eh_callback_data.check_cache): New field.
12305         (frame_hdr_cache): New.
12306         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
12307         Cache frame header info.
12308
12309 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
12310
12311         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
12312         (print_c_condition): Declare.
12313         * read-rtl.c (ptr_loc): New structure.
12314         (ptr_locs, ptr_loc_obstack, joined_conditions)
12315         (joined_conditions_obstack): New variables.
12316         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
12317         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
12318         (join_c_conditions, print_c_condition): New functions.
12319         (apply_macro_to_string): Associate the new string with the same
12320         source location as the old one.
12321         (add_condition_to_string): Use join_c_conditions.
12322         (read_string): Use set_rtx_ptr_loc to record a filename and line
12323         number for the string.
12324         (read_rtx): Initialize the new variables above.
12325         * genattrtab.c (write_test_expr, write_attr_value): Use
12326         print_c_condition.
12327         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
12328         comment above the GCC_VERSION check.
12329         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
12330         Inline the definition of MAYBE_EVAL.
12331         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
12332         * genoutput.c (process_template): Likewise.
12333         * genpreds.c (write_predicate_subfunction): Likewise.
12334         (write_predicate_expr): Use print_c_condition.
12335         * genrecog.c (write_cond): Likewise.
12336         * gensupport.c (process_rtx): Use join_c_conditions to join the
12337         conditions of a define_insn_and_split.  Record a source location
12338         for the string after the "&&".
12339         (alter_test_for_insn): Use join_c_conditions.
12340
12341 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
12342
12343         Revert for now:
12344         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
12345         PR tree-optimization/15784
12346         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
12347         and -1 - A to ~A.
12348
12349 2005-03-04  Ben Elliston  <bje@au.ibm.com>
12350
12351         * gcc.c (option_map): Add --coverage.
12352         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
12353         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
12354         * config/darwin.h: Pass -lgcov for `coverage'.
12355         * doc/invoke.texi (Debugging Options): Document --coverage.
12356
12357 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
12358
12359         * gcse.c (bypass_block): Use find_edge wherever possible.
12360
12361 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
12362
12363         Fix PR debug/20253
12364
12365         * c-opts.c (c_common_parse_file): Call start_source_file
12366         and end_source_file at the approriate times.
12367
12368         * dwarf2out.c (dwarf2out_finish): Don't auto-end
12369         the main file, it will be done for us now.
12370
12371 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
12372
12373         * fold-const.c (fold_ternary): New.
12374         (fold): Call fold_ternary on ternary expressions.  Remove
12375         handling of ternary expressions.
12376
12377 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
12378
12379         PR tree-optimization/15784
12380         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
12381         and -1 - A to ~A.
12382
12383 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
12384
12385         * config/rs6000/predicates.md (branch_comparison_operator):
12386         Convert from C block to conditional format.
12387
12388 2005-03-03  Jan Hubicka  <jh@suse.cz>
12389
12390         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
12391         and non-constant public variables.
12392
12393 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
12394
12395         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
12396         with LABEL_EXPR.
12397
12398         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
12399         EDGE_I.
12400
12401         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
12402         calls to release_ssa_name and release_phi_node.
12403
12404         * fold-const.c (fold): Remove handling of unary expressions.
12405
12406         * fold-const.c (fold_unary): Avoid directly using the original
12407         expression t as much as possible.
12408
12409 2005-03-03  Roger Sayle  <roger@eyesopen.com>
12410             Andrew Pinski  <pinskia@physics.uc.edu>
12411
12412         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
12413         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
12414
12415 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
12416
12417         Describe special registers SRP and MOF as allocatable registers.
12418         * config/cris/cris.c (cris_md_asm_clobbers): New function.
12419         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
12420         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
12421         TARGET_HAS_MUL_INSNS.
12422         (cris_print_operand) <case 'd'>: New case.
12423         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
12424         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
12425         define.
12426         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
12427         (REG_ALLOC_ORDER): Update for MOF.
12428         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
12429         SPECIAL_REGS.
12430         (GENERAL_REGS): No longer a define of ALL_REGS.
12431         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
12432         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
12433         Adjust accordingly.
12434         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
12435         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
12436         (SECONDARY_RELOAD_CLASS): Define.
12437         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
12438         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
12439         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
12440         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
12441         (REGISTER_MOVE_COST): Define.
12442         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
12443         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
12444         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
12445         (CRIS_MOF_REGNUM): New define_constants.
12446         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
12447         special registers.
12448         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
12449         New patterns.
12450         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
12451         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
12452         Adjust for MOF being properly described as a register.
12453         (indir_to_reg_split): Name this split.  Conditionalize on the
12454         destination register being a general register.
12455         (movei): Conditionalize on on operands 0 and 1 having the same
12456         register class.
12457
12458 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
12459
12460         PR target/20277
12461         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
12462         -mcpu to override any other explicitly given flags.
12463
12464 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
12465
12466         * recog.c (verify_changes, confirm_change_group): New functions,
12467         broken out of apply_change_group.
12468         (apply_change_group): Use them.
12469         * recog.h (verify_change, confirm_change_group): Declare.
12470         * rtl.h (redirect_jump_2): Declare.
12471         * jump.c (redirect_exp, invert_exp): Delete.
12472         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
12473         (redirect_jump_2): New function, broken out of redirect_jump.
12474         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
12475         (invert_jump): Use invert_jump_1 and redirect_jump_2.
12476         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
12477
12478 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
12479
12480         * varasm.c (named_section): Use xstrdup rather than doing it by
12481         hand.
12482
12483         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
12484
12485 2005-03-02  Devang Patel  <dpatel@apple.com>
12486
12487         Undo PR tree-optimization/18815 fix.
12488
12489 2005-03-02  Devang Patel  <dpatel@apple.com>
12490
12491         PR tree-optimization/18815
12492         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
12493         loops with zero exit edges.
12494
12495 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
12496
12497         * cfg.c (connect_src, connect_dest, disconnect_src,
12498         disconnct_dest): New.
12499         (unchecked_make_edge, remove_edge, redirect_edge_succ,
12500         redirect_edge_pred): Use the new functions.
12501
12502         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
12503         free_dominance_info only when needed.
12504
12505 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
12506
12507         PR target/20276
12508         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
12509         (reg_or_sub_cint64_operand): Same.
12510
12511 2005-03-02  Jeff Law  <law@redhat.com>
12512
12513         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
12514         CFG_ALTERED in the main DOM iteration loop.
12515
12516 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
12517
12518         PR c++/19916
12519         * varasm.c (initializer_constant_valid_p): Allow conversions
12520         between OFFSET_TYPEs.  Tidy.
12521
12522 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
12523
12524         * config/cris/cris.md ("return"): Remove epilogue delay list
12525         sanity check.
12526
12527 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
12528
12529         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
12530         for Thumb.
12531         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
12532
12533 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
12534
12535         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
12536         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
12537         config/m68k/m68k.c, config/mips/mips.h,
12538         config/rs6000/rs6000-protos.h, doc/contrib.texi,
12539         doc/include/gcc-common.texi: Update copyright.
12540
12541         PR middle-end/18029 and PR middle-end/18030
12542         * expr.c (optimize_bitfield_assignment_op): Add a special case
12543         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
12544
12545         * fold-const.c (fold_unary): New.
12546         (fold): Call fold_unary on unary expressions.
12547
12548 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
12549
12550         * cgraph.h (struct cgraph_edge): Add prev_caller and
12551         prev_callee fields.
12552         (cgraph_node_remove_callees): Export.
12553         * cgraph.c (cgraph_create_edge): Initialize prev_caller
12554         and prev_callee.
12555         (cgraph_edge_remove_callee): New function.
12556         (cgraph_edge_remove_caller): Likewise.
12557         (cgraph_remove_edge): Use.
12558         (cgraph_redirect_edge_callee): Likewise.
12559         (cgraph_node_remove_callees): New function.
12560         (cgraph_node_remove_callers): Likewise.
12561         (cgraph_remove_node): Use.
12562         * tree-optimize.c (tree_rest_of_compilation): Use
12563         cgraph_node_remove_callees instead of manual loop.
12564         * cgraphunit.c (cgraph_finalize_function): Likewise.
12565         (cgraph_expand_function): Likewise.
12566         (cgraph_remove_unreachable_nodes): Likewise.
12567
12568 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
12569
12570         PR c/8927
12571         * c-tree.h (undeclared_variable, build_external_ref): Add extra
12572         argument.
12573         * c-decl.c (undeclared_variable): Take location as argument.
12574         * c-typeck.c (build_external_ref): Likewise.
12575         * c-parser.c (c_parser_postfix_expression): Pass location of
12576         identifier to build_external_ref.
12577
12578 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
12579
12580         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
12581         CCEQ mode for branch_positive_comparison_operator test.
12582         * config/rs6000/predicates (branch_comparison_operator): Revert to
12583         define_predicate.
12584         (scc_comparison_operator): Same.
12585         (branch_positive_comparison_operator): Same.
12586
12587 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
12588
12589         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
12590         (cris_delay_slots_for_epilogue): Remove.
12591         (save_last): Move into cris_target_asm_function_epilogue.
12592         (cris_target_asm_function_epilogue): Remove tests for file being
12593         NULL.
12594         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
12595         (cris_delay_slots_for_epilogue): Remove prototypes.
12596         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
12597         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
12598
12599 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
12600
12601         * config/rs6000/predicates.md (branch_comparison_operator): Change
12602         to define_special_predicate.
12603         (scc_comparison_operator): Same.
12604         (branch_positive_comparison_operator): Same.
12605
12606 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
12607
12608         * Makefile.in (tree-ssa-sink.o): New.
12609         (OBJS-common): Add tree-ssa-sink.o.
12610         * common.opt: Add -ftree-sink
12611         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
12612         * timevar.def (TV_TREE_SINK): new timevar.
12613         * tree-flow.h (is_hidden_global_store): Prototype.
12614         * tree-optimize.c (init_tree_optimization_passes): Add
12615         pass_sink_code.
12616         * tree-pass.h (pass_sink_code): New.
12617         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
12618         for non-obvious global store store to is_hidden_global_store, and
12619         call that new function.
12620         * tree-ssa-sink.c: New file.
12621         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
12622         * doc/passes.texi: Document forward store motion.
12623         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
12624         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
12625         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
12626         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
12627
12628 2005-03-01  Per Bothner  <per@bothner.com>
12629
12630         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
12631         and we have a non-zero column-number, add it to the message.
12632         Also factor out the diagnostic_kind_text.
12633
12634 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
12635
12636         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
12637         flow_loop_pre_header_scan, flow_loop_pre_header_find,
12638         flow_loop_scan): Removed.
12639         (flow_loop_dump): Do not dump removed fields.
12640         (flow_loop_free): Do not free removed fields.
12641         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
12642         (loop_exit_edge_p): New function.
12643         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
12644         num_pre_header_edges, entry_edges, num_entries, exit_edges,
12645         num_exits, exits_doms.
12646         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
12647         LOOP_EDGES, LOOP_ALL): Removed.
12648         (flow_loop_scan): Declaration removed.
12649         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
12650         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
12651         flow_loops_find.
12652         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
12653         (if_convert): Call flow_loops_find and flow_loops_free
12654         when calling mark_loop_exit_edges.
12655         * cfgloopanal.c (mark_loop_exit_edges): Moved from
12656         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
12657         free_dominance_info calls.
12658         * loop-init.c (flow_loops_find): Ditto.
12659         * passes.c (rest_of_handle_branch_prob): Ditto.
12660         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
12661         * loop-unroll.c (analyze_insns_in_loop): Do not use
12662         EDGE_LOOP_EXIT.
12663         * predict.c (predict_loops): Do not call flow_loop_scan.
12664         Use get_loop_exit_edges.
12665         (tree_estimate_probability): Do not pass flags to flow_loops_find.
12666         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
12667         Do not use EDGE_LOOP_EXIT.
12668         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
12669         to bb_with_exit_edge_p.
12670         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
12671         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
12672         to bb_with_exit_edge_p.
12673         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
12674         EDGE_LOOP_EXIT.
12675         * tree-loop-linear.c (linear_transform_loops): Do not call
12676         flow_loop_scan.  Use loop->single_exit.
12677         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
12678         (vect_analyze_loop_form): Do not call flow_loop_scan.
12679         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
12680         loop->single_exit.
12681         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
12682         loop->single_exit.
12683         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
12684         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
12685         slpeel_tree_duplicate_loop_to_edge_cfg,
12686         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
12687         Use loop_preheader_edge and loop->single_exit.  Do not call
12688         flow_loop_scan.
12689
12690 2005-03-01  Nick Clifton  <nickc@redhat.com>
12691
12692         * config/arm/arm.c (thumb_find_work_register): Check all of the
12693         argument registers to see if they are free, and a couple of
12694         special cases where the last argument register but can be proved
12695         to be available during the function's prologue.
12696         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
12697         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
12698         thumb_unexpanded_epilogue): Use unsigned long as the type for the
12699         register bit-mask.
12700         (thumb_compute_save_reg_mask): Likewise.  Also use
12701         thumb_find_work_register() to ensure that there is agreement about
12702         which work register is going to be used in the prologue.
12703         (thumb_output_function_prologue): Use unsigned long as the type
12704         for the register bit-mask.  Also delay pushing the link register if
12705         other high registers are going to be pushed.
12706         (thumb_compute_save_reg_mask, emit_multi_reg_push,
12707         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
12708         redundant prototypes.
12709
12710 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
12711
12712         PR target/19819
12713         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
12714         and after reload in REG+REG indexed addresses without REG_POINTER
12715         set in the base and not set in the index.
12716
12717 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
12718
12719         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
12720         Don't undefine here.
12721         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
12722         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
12723         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
12724         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
12725         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
12726         Delete.
12727         * config.gcc (sh*-*-linux*): Use config/linux.h.
12728
12729 2005-02-28  Dale Johannesen  <dalej@apple.com>
12730             Stan Shebs  <shebs@apple.com>
12731
12732         Rewrite of 64-bit Darwin structure-by-value pass/return.
12733         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
12734         intoffset, use_stack, named.
12735         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
12736         (rs6000_darwin64_record_arg_advance_flush):  New.
12737         (rs6000_darwin64_record_arg_advance_recurse): New.
12738         (rs6000_darwin64_record_arg_flush):  New.
12739         (rs6000_darwin64_record_arg_recurse):  New.
12740         (rs6000_darwin64_record_arg):  New.
12741         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
12742         (function_arg_boundary):  Handle 128-bit aligned structs.
12743         (function_arg_advance):  Rewrite darwin64 struct handling.
12744         (function_arg):  Call rs6000_darwin64_record_arg.
12745         (function_arg_partial_nregs):  Handle darwin64 structs.
12746         (rs6000_darwin64_function_value):  Remove.
12747         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
12748
12749 2005-02-28  Roger Sayle  <roger@eyesopen.com>
12750
12751         PR tree-optimization/20216
12752         * tree-chrec.c (tree_fold_factorial): Delete.
12753         (tree_fold_binomial): Change argument list to take a return type
12754         and change the type of K to unsigned int.  Rewrite to avoid explicit
12755         evaluation of factorials, and (recursively) calling fold to perform
12756         compile-time arithmetic.  Return NULL on (internal) overflow.
12757         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
12758         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
12759         if any intermediate calculation overflows.
12760         (chrec_apply): Update call to chrec_evaluate.
12761
12762 2005-02-28  James E Wilson  <wilson@specifixinc.com>
12763
12764         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
12765
12766 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
12767
12768         PR c/20245
12769         * c-parser.c (c_parser_compound_statement): Return error_mark_node
12770         instead of NULL_TREE on error.
12771
12772 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
12773
12774         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
12775         (EASY_VECTOR_15_ADD_SELF): Remove.
12776         (num_insns_constant_wide): Not static.
12777         (validate_condition_mode): Not static.
12778         (toc_relative_expr_p): Not static.
12779         (legitimate_indirect_address_p): Not static.
12780         (macho_lo_sum_memory_operand): Not static.
12781         (invalid_e500_subreg): Not static.
12782         (easy_vector_same): Not static.
12783         (easy_vector_splat_const): Not static.
12784         (RS6000_SYMBOL_REF_TLS_P): Remove.
12785         (any_operand): Delete.
12786         (any_parallel_operand): Delete.
12787         (count_register_operand): Delete.
12788         (altivec_register_operand): Delete.
12789         (xer_operand): Delete.
12790         (s8bit_cint_operand): Delete.
12791         (short_cint_operand): Delete.
12792         (u_short_cint_operand): Delete.
12793         (non_short_cint_operand): Delete.
12794         (exact_log2_cint_operand): Delete.
12795         (gpc_reg_operand): Delete.
12796         (cc_reg_operand): Delete.
12797         (cc_reg_not_cr0_operand): Delete.
12798         (reg_or_short_operand): Delete.
12799         (reg_or_neg_short_operand): Delete.
12800         (reg_or_aligned_short_operand): Delete.
12801         (reg_or_u_short_operand): Delete.
12802         (reg_or_cint_operand): Delete.
12803         (reg_or_arith_cint_operand): Delete.
12804         (reg_or_add_cint64_operand): Delete.
12805         (reg_or_sub_cint64_operand): Delete.
12806         (reg_or_logical_cint_operand): Delete.
12807         (got_operand): Delete.
12808         (got_no_const_operand): Delete.
12809         (easy_fp_constant): Delete.
12810         (easy_vector_constant): Delete.
12811         (easy_vector_constant_add_self): Delete.
12812         (zero_constant): Delete.
12813         (zero_fp_constant): Delete.
12814         (volatile_mem_operand): Delete.
12815         (offsettable_mem_operand): Delete.
12816         (mem_or_easy_const_operand): Delete.
12817         (add_operand): Delete.
12818         (non_add_cint_operand): Delete.
12819         (logical_operand): Delete.
12820         (non_logical_cint_operand): Delete.
12821         (mask_operand): Delete.
12822         (mask_operand_wrap): Delete.
12823         (mask64_operand): Delete.
12824         (mask64_2_operand): Delete.
12825         (and64_operand): Delete.
12826         (and64_2_operand): Delete.
12827         (and_operand): Delete.
12828         (reg_or_mem_operand): Delete.
12829         (lwa_operand): Delete.
12830         (symbol_ref_operand): Delete.
12831         (call_operand): Delete.
12832         (current_file_function_operand): Delete.
12833         (input_operand): Delete.
12834         (rs6000_nonimmediate_operand): Delete.
12835         (rs6000_tls_symbol_ref): Delete.
12836         (save_world_operation): Delete.
12837         (restore_world_operation): Delete.
12838         (load_multiple_operation): Delete.
12839         (store_multiple_operation): Delete.
12840         (vrsave_operation): Delete.
12841         (mfcr_operation): Delete.
12842         (mtcrf_operation): Delete.
12843         (lmw_operation): Delete.
12844         (stmw_operation): Delete.
12845         (branch_comparison_operator): Delete.
12846         (branch_positive_comparison_operator): Delete.
12847         (scc_comparison_operator): Delete.
12848         (trap_comparison_operator): Delete.
12849         (boolean_operator): Delete.
12850         (boolean_or_operator): Delete.
12851         (min_max_operator): Delete.
12852         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
12853         (EASY_VECTOR_15): Moved to here.
12854         (EASY_VECTOR_15_ADD_SELF): Move to here.
12855         (PREDICATE_CODES): Delete.
12856         * config/rs6000/rs6000-protos.h: Delete predicate functions.
12857         Declare functions no longer static.
12858         * config/rs6000/predicates.md: New.
12859         * config/rs6000/rs6000.md: Include predicates.md
12860
12861 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
12862
12863         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
12864         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
12865         REG_ALWAYS_RETURN.
12866         * cfgrtl.c (need_fake_edge_p): Likewise.
12867         * combine.c (distribute_notes): Likewise.
12868         * emit-rtl.c (try_split): Likewise.
12869         * recog.c (peephole2_opimize): Likewise.
12870         * reg-notes.def (ALWAYS_RETURN): Remove.
12871         * rtl.h (LCT_ALWAYS_RETURN): Remove.
12872         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
12873         * tree.h (ECF_ALWAYS_RETURN): Remove.
12874
12875 2005-02-28  Roger Sayle  <roger@eyesopen.com>
12876
12877         PR middle-end/19874
12878         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
12879         between different machine modes is never a "useless" conversion.
12880
12881 2005-02-28  Geert Bosch  <bosch@gnat.com>
12882
12883         PR ada/15977
12884         * doc/contrib.texi: List contributors for Ada front end
12885
12886 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
12887
12888         * simplify-rtx.c (simplify_unary_operation_1,
12889         simplify_const_unary_operation): New, extracted from...
12890         (simplify_unary_operation): ... this one.
12891         (simplify_binary_operation_1,
12892         simplify_const_binary_operation): New, extracted from...
12893         (simplify_binary_operation): ... this one.
12894         * rtl.h (simplify_const_unary_operation,
12895         simplify_const_binary_operation): Add prototypes.
12896
12897 2005-02-28  Julian Brown  <julian@codesourcery.com>
12898
12899         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
12900         building libjava and caused PR regression/20228.
12901
12902 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
12903
12904         PR bootstrap/17383
12905         * Makefile.in (host_subdir): New.
12906         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
12907         * configure: Regenerate.
12908
12909 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
12910
12911         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
12912         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
12913         installation directory first.
12914
12915 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
12916
12917         PR target/19065.
12918         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
12919         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
12920         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
12921         * config/cris/cris.md: Tweak comments referring to Q.
12922         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
12923         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
12924         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
12925         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
12926         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
12927         Insert spaces in constraints to align alternatives vertically for
12928         readability.
12929         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
12930         operand 1: "M".
12931
12932 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12933
12934         PR rtl-optimization/17728
12935         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
12936         operand 0 from general_operand to move_dest_operand.
12937
12938 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12939
12940         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
12941         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
12942         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
12943         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
12944
12945 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
12946
12947         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
12948         * configure: Regenerate.
12949         * libada-mk.in: Remove CC; rename
12950         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
12951
12952 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
12953
12954         PR tree-opt/20188
12955         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
12956         for the lhs, also walk over the tree.  Likewise for rhs.
12957
12958 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
12959
12960         * tree-ssa-dom.c (simple_iv_increment_p): New function.
12961         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
12962         Do not propagate value of iv before increment over the increment.
12963
12964 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
12965
12966         * c-parser.c: New file.
12967         * c-parse.in: Remove.
12968         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
12969         Remove.
12970         (c-parser.o): Add dependencies.
12971         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
12972         maintainer-clean, TAGS): Update.
12973         * c-config-lang.in (gtfiles): Update.
12974         * gengtype-lex.l: Don't handle "@@".
12975         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
12976         objc_build_synchronized, objc_begin_try_stmt,
12977         objc_begin_catch_clause, objc_finish_catch_clause,
12978         objc_build_finally_clause, objc_finish_try_stmt): New.
12979         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
12980         type_seen_p.
12981         (c_parse_init): Update comment.
12982         * c-decl.c (c_init_decl_processing): Update comment.
12983         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
12984         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
12985         new c_declspecs members.
12986
12987 2005-02-25  Julian Brown  <julian@codesourcery.com>
12988
12989         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
12990         from being used for symbols with vague linkage when
12991         HAVE_GAS_COMDAT_GROUP is true.
12992
12993 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
12994
12995         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
12996
12997 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
12998
12999         PR target/19930
13000         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
13001         (LIBGCC2_HAS_DF_MODE): New.
13002         (LIBGCC2_HAS_XF_MODE): New.
13003         (LIBGCC2_HAS_TF_MODE): New.
13004         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
13005         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
13006         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
13007         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
13008         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
13009         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
13010         and add _fixtfdi, _fixunstfdi, _floatditf
13011         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
13012         L_fixunstfdi, L_floatditf.
13013         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
13014         (LIBGCC2_HAS_TF_MODE): Define.
13015
13016 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
13017
13018         PR tree-optimization/20204
13019         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
13020         REWRITE_THIS_STMT markers on PHI nodes.
13021         (rewrite_initialize_block): Likewise.
13022
13023 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
13024
13025         * version.c (version_string): Update to 4.1.
13026
13027 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
13028
13029         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
13030         Clarify that the alternative way doesn't work in GNU C++.
13031
13032 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
13033
13034         PR tree-optimization/19937
13035         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
13036         to the type of the induction variable.
13037
13038 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
13039
13040         PR rtl-optimization/20117
13041         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
13042         the block including noncopyable insn.
13043
13044 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
13045
13046         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
13047         calls to find_reg_note.
13048
13049 2005-02-24  Richard Henderson  <rth@redhat.com>
13050
13051         PR tree-opt/20127
13052         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
13053         the type.
13054
13055 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
13056
13057         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
13058         vector types if to use base reg for misaligned non-word ld/std.
13059
13060 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
13061
13062         PR target/14619
13063         * config/cris/cris.c (cris_target_asm_function_prologue): Create
13064         dwarf2 label manually and put it after, not before the prologue.
13065
13066 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
13067
13068         PR target/19019
13069         * reload.c (operands_match_p): Only increment register number for
13070         SCALAR_INT_MODE_P modes in multiple hard registers.
13071
13072         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
13073         Fix formatting.
13074
13075 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
13076
13077         * ChangeLog.5: Fix log message typo(s).
13078         * ChangeLog.7: Likewise.
13079         * ChangeLog.tree-ssa: Likewise.
13080         * cfgexpand.c: Fix comment typo(s).
13081         * conflict.c: Likewise.
13082         * defaults.h: Likewise.
13083         * dwarf2out.c: Likewise.
13084         * gcse.c: Likewise.
13085         * ggc-page.c: Likewise.
13086         * tree-eh.c: Likewise.
13087         * tree-ssa-dom.c: Likewise.
13088
13089 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
13090
13091         PR target/19019
13092         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
13093         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
13094         if SHARED is defined.
13095
13096         PR target/20196
13097         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
13098         allow splitting only if operands 0 and 3 don't overlap.
13099
13100 2005-02-24  Richard Henderson  <rth@redhat.com>
13101
13102         PR middle-end/19953
13103         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
13104         (fold_builtin_1): Call them.
13105         * fold-const.c (fold_complex_mult_parts): Split out from ...
13106         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
13107         (fold_complex_div_parts, fold_complex_div): New.
13108         (fold): Use them.
13109         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
13110
13111 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
13112
13113         * tree-ssa-ccp.c (visit_assignment): Verify that result of
13114         VIEW_CONVERT_EXPR is_gimple_min_invariant.
13115
13116         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
13117         (print_node): Likewise.
13118         Print TYPE_SIZES_GIMPLIFIED.
13119
13120 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
13121
13122         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
13123         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
13124         operands as commutative in constraints.
13125
13126 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
13127
13128         * tree-into-ssa.c: Re-organize internal functions.
13129
13130 2005-02-24  Richard Henderson  <rth@redhat.com>
13131
13132         PR middle-end/18902
13133         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
13134         for c99.
13135         * common.opt (fcx-limited-range): New.
13136         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
13137         * toplev.c (flag_complex_method): Initialize to 1.
13138         (process_options): Set flag_complex_method to 0 if
13139         flag_cx_limited_range.
13140         * doc/invoke.texi (-fcx-limited-range): New.
13141
13142 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
13143
13144         * cse.c (delete_trivially_dead_insns): Speed up by using
13145         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
13146         prev_real_insn.
13147
13148 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
13149
13150         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
13151         functions when -mid-shared-library is being used.
13152
13153 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
13154
13155         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
13156         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
13157         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
13158         * system.h: Poison LINK_LIBGCC_SPECIAL.
13159
13160 2005-02-23  James E Wilson  <wilson@specifixinc.com>
13161
13162         * gengtype.c (note_insn_name): Make 1 element larger.
13163
13164 2005-02-23  Roger Sayle  <roger@eyesopen.com>
13165
13166         PR target/20018
13167         PR rtl-optimization/20097
13168         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
13169         BImode SUBREGs of SImode registers which confuse the ia64 backend.
13170
13171 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
13172
13173         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
13174         * t-aix52 (SHLIB_INSTALL): Same.
13175
13176 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
13177
13178         * genpreds.c: Update copyright.
13179
13180 2005-02-23  Michael Beach  <michaelb@ieee.org>
13181
13182         PR target/20159
13183         * config/sparc/t-elf (startup files): Assemble with CPP.
13184
13185 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
13186
13187         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
13188         (write_predicate_expr): Likewise.
13189
13190 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
13191
13192         PR tree-optimization/20100
13193         PR tree-optimization/20115
13194         * tree-optimize.c (init_tree_optimization_passes): Remove
13195         pass_maybe_create_global_var.
13196         * tree-pass.h (pass_maybe_create_global_var): Remove.
13197         * tree-ssa-alias.c (aliases_computed_p): Declare.
13198         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
13199         (count_calls_and_maybe_create_global_var): Remove.
13200         (pass_maybe_create_global_var): Remove.
13201         (init_alias_info): Do not declare aliases_computed_p.
13202         (maybe_create_global_var): If the function contains no
13203         call-clobbered variables and a mix of pure/const and regular
13204         function calls, create .GLOBAL_VAR.
13205         Mark all call-clobbered variables for renaming.
13206         (merge_pointed_to_info): Update comment.
13207         (add_pointed_to_var): Likewise.
13208         (is_escape_site): Likewise.
13209         Accept struct alias_info * instead of size_t *.
13210         Update all users.
13211         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
13212         as necessary.
13213         * tree-ssa-operands.c (get_call_expr_operands): If
13214         ALIASES_COMPUTED_P is false, do not add call-clobbering
13215         operands.
13216         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
13217         (delete_tree_ssa): Likewise.
13218
13219 2005-02-22  James E Wilson  <wilson@specifixinc.com>
13220
13221         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
13222         (do_compile): Do call it here.
13223
13224 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
13225
13226         PR rtl-optimization/20017.
13227         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
13228         rest_of_handle_cse2, rest_of_handle_gcse): Call
13229         delete_dead_jumptables immediately before calling cleanup_cfg.
13230
13231 2005-02-22  Devang Patel  <dpatel@apple.com>
13232
13233         PR 19952
13234         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
13235         all labels
13236
13237 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
13238
13239         * config/rs6000/aix.h (WINT_TYPE): Define.
13240
13241 2005-02-22  Stan Shebs  <shebs@apple.com>
13242
13243         * config/rs6000/rs6000.c (rs6000_override_options): Default to
13244         natural alignment for 64-bit Darwin.
13245         (rs6000_parse_alignment_option): Warn about uses of -malign-power
13246         on 64-bit Darwin.
13247         * doc/invoke.texi: Document this.
13248
13249 2005-02-22  DJ Delorie  <dj@redhat.com>
13250
13251         * c-common.c (c_common_type_for_mode): Pass the mode's precision
13252         to make_[un]signed_type, not the mode itself.
13253
13254 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
13255
13256         * cfg.c (cached_make_edge): Call make_edge if edge cache is
13257         not available.  Use tail calls wherever possible.
13258         (make_edge): Call unchecked_make_edge to create an edge.
13259
13260         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
13261         (coalesce_ssa_name): Don't check for
13262         SSANORM_USE_COALESCE_LIST.
13263         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
13264
13265 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
13266
13267         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
13268         (rewrite_into_ssa): ... here.
13269
13270 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
13271
13272         PR tree-optimization/19786
13273         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
13274         tag to another's may-alias bitmap when adding to the other's list.
13275
13276 2005-02-21  DJ Delorie  <dj@redhat.com>
13277
13278         * tree-ssa-loop-ivopts.c (computation_cost): Start register
13279         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
13280         registers in unsupported ways.
13281         * expmed.c (init_expmed): Likewise.
13282
13283 2005-02-21  Stan Cox  <scox@redhat.com>
13284
13285         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
13286
13287 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
13288
13289         * tree-cfg.c (fold_cond_expr_cond): New.
13290         (make_edges): Call fold_cond_expr_cond.
13291         (find_taken_edge): Accept nothing but INTEGER_CST.
13292         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
13293         and 1.
13294         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
13295
13296         * flow.c (delete_dead_jumptables): Speed up by scanning insns
13297         that do not belong to any basic block.
13298
13299 2005-02-21  Jeff Law  <law@redhat.com>
13300
13301         * cfganal.c (find_unreachable_blocks): Manually CSE load of
13302         e->dest.
13303
13304 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
13305
13306         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
13307         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
13308         Adjust their definitions.
13309         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
13310         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
13311
13312         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
13313         genautomata.c, langhooks.c, langhooks.h, system.h,
13314         config/arm/lib1funcs.asm: Update copyright.
13315
13316 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
13317
13318         * dbxout.c (dbxout_function_end): Emit Lscope label always.
13319
13320 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
13321
13322         PR bootstrap/13770
13323         * doc/install.texi: Document --with-gc.
13324
13325 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
13326
13327         * simplify-rtx.c (simplify_unary_operation): Add a missing
13328         "break" statement.
13329
13330 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
13331
13332         PR tree-optimization/18663
13333         * tree-ssa-dom.c (extract_range_from_cond): Return 0
13334         if the type has variable bounds.
13335
13336 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
13337
13338         * gcse.c: Remove an obsolete comment.
13339
13340         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
13341
13342 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
13343
13344         * doc/extend.texi (Function Attributes) <Attribute const>: The
13345         attribute "pure" is below this text, not above.
13346
13347 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13348
13349         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
13350         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
13351         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
13352
13353 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
13354
13355         PR 18785
13356         * langhooks.h (struct lang_hooks): Add to_target_charset.
13357         * langhooks.c (lhd_to_target_charset): New function.
13358         * langhooks-def.h: Declare lhd_to_target_charset.
13359         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
13360         (LANG_HOOKS_INITIALIZER): Update.
13361         * c-common.c (c_common_to_target_charset): New function.
13362         * c-common.h: Declare it.
13363         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
13364         c_common_to_target_charset.
13365
13366         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
13367         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
13368         Delete definitions.
13369         * system.h: Poison them.
13370         * doc/tm.texi: Don't discuss them.
13371         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
13372         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
13373         (pp_c_char): Do not attempt to generate letter escapes for
13374         newline, tab, etc.
13375         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
13376         * config/mips/mips.c (mips_output_ascii): Likewise.
13377
13378 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
13379
13380         PR tree-optimization/19951
13381         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
13382         is abnormal.
13383
13384 2005-02-19  Steven Bosscher  <stevenb@suse.de>
13385
13386         PR middle-end/19698
13387         * function.h (struct function): New field `max_loop_depth'.
13388         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
13389         (flow_loops_find): Reset the max loop depth count before finding loops.
13390         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
13391         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
13392         (calculate_global_regs_live): Make sure the loop will terminate
13393         when the initial sets are not empty.
13394
13395 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
13396
13397         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
13398         object inside.
13399         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
13400
13401 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
13402
13403         PR other/19525
13404         * doc/invoke.texi: Remove documentation of %M spec.
13405         * gcc.c: Likewise.
13406         (init_spec): Remove %M suffix from -lgcc_s.
13407         (do_spec_1): Remove 'M' case.
13408         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
13409         to put shared libraries in the multilib directory.  Remove the
13410         shlib_so_soname substitution variable.  Don't add a multilib encoding
13411         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
13412         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
13413         SHLIB_INSTALL as well as SHLIB_LINK.
13414         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
13415         (SHLIB_NAME): Delete.
13416         (SHLIB_DIR): New macro.
13417         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
13418         (SHLIB_INSTALL): Adjust accordingly.
13419         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
13420         * config/t-slibgcc-sld: Likewise.
13421         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
13422         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
13423         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
13424         in $(SHLIB_DIR).
13425         (SHLIBUNWIND_INSTALL): Adjust accordingly.
13426         * config/i386/t-nwld (SHLIB_SONAME): Delete.
13427         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
13428         Use @shlib_base_name@ instead of @shlib_so_name@.
13429         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
13430         and @shlib_base_name@.so in @multilib_dir@.
13431         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
13432         to the install path.
13433         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
13434         (SHLIB_LINK): Remove previous workaround.
13435         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
13436         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
13437         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
13438         the install path.
13439         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
13440         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
13441         (SHLIB_INSTALL): Adjust accordingly.
13442         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
13443         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
13444         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
13445         config/t-slibgcc-elf-ver.
13446
13447 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
13448             Jakub Jelinek  <jakub@redhat.com>
13449
13450         PR tree-optimization/19828
13451         * tree-ssa-loop-im.c: Add a TODO comment.
13452         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
13453         without side-effects.
13454
13455 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
13456
13457         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
13458         call fold_convert.
13459
13460 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
13461
13462         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
13463         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
13464         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
13465         functions.
13466         (ia64_reorg): Delete fixup_errata call.
13467         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
13468         (TARGET_SWITCHES): Delete -mb-step entry.
13469
13470 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
13471
13472         PR c/20043
13473         * c-typeck.c (composite_type): Handle quals in transparent unions.
13474         (type_lists_compatible_p): Likewise.
13475
13476 2005-02-18  Stan Shebs  <shebs@apple.com>
13477
13478         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
13479         expressions in the .literal8 section.
13480
13481 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
13482
13483         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
13484
13485 2005-02-18  Roger Sayle  <roger@eyesopen.com>
13486
13487         * fold-const.c (constant_boolean_node): Always create values of the
13488         specified type, don't bother calling truthvalue_conversion.
13489
13490 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
13491
13492         * except.c (output_function_exception_table): Call
13493         assemble_external_libcall (eh_personality_libfunc).
13494
13495 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
13496
13497         PR target/19886
13498         * config/ia64/ia64.h (struct machine_function): Add state_num.
13499         * config/ia64/ia64.c (process_epilogue,
13500         process_for_unwind_directive): Use new unwind state numbers each
13501         time rather than state 1.
13502
13503 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
13504
13505         PR target/20054
13506         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
13507         before the "*llgt_didi" pattern.
13508
13509 2005-02-18  Jason Merrill  <jason@redhat.com>
13510
13511         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
13512
13513 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
13514
13515         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
13516         (div0): Use it in place of ARM_FUNC_ALIAS.
13517         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
13518
13519 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
13520
13521         PR middle-end/20030
13522         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
13523         access, the lower bound of the array type if it exists.
13524
13525 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
13526
13527         PR c++/20008
13528         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
13529         cases that are out-of-range for the index type.
13530
13531 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
13532
13533         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
13534         (estimate_case_costs): Don't call convert.
13535         * expmed.c (expand_shift): Likewise.
13536         (make_tree): Call fold_convert instead of convert.
13537
13538 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
13539
13540         PR c++/19813
13541         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
13542         that ref to be marked MEM_READONLY_P doesn't have base that needs
13543         constructing.
13544
13545 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
13546
13547         * genautomata.c (output_get_cpu_unit_code_func,
13548         output_cpu_unit_reservation_p): Don't generate old-style function
13549         definitions.
13550
13551 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
13552
13553         PR c++/20023
13554         PR tree-optimization/20009
13555         * convert.c (convert_to_integer): Revert 2005-02-16 change.
13556
13557         PR tree-optimization/18947
13558         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
13559         inline, remove all nodes that are inlined into the extern inline
13560         being redefined.
13561
13562 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
13563
13564         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
13565         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
13566         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
13567         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
13568         Update copyright.
13569
13570 2005-02-17  Roger Sayle  <roger@eyesopen.com>
13571
13572         PR tree-optimization/19917
13573         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
13574         to be potentially trapping.
13575
13576 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
13577
13578         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
13579
13580 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
13581
13582         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
13583         tem becomes a local variable which is set to the value of the
13584         back end defined INITIAL_FRAME_ADDRESS macro.
13585         (expand_builtin_frame_address): Omit the base parameter to
13586         expand_builtin_return_addr.
13587         (expand_builtin_profile_func): Likewise.
13588         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
13589         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
13590         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
13591
13592 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
13593
13594         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
13595         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
13596         * config/frv/frv.c (frv_function_epilogue): Likewise.
13597
13598 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
13599
13600         * lambda-code (perfect_nestify): Remove mark/unmark
13601         for rewriting hack.
13602         * tree-loop-linear.c (linear_transform_loops): Add
13603         rewrite_into_ssa call so that ssa is correct for
13604         rewriting into loop closed.
13605
13606 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
13607
13608         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
13609         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
13610         BITMAP_FREE.
13611         * bt-load.c (btr_def_live_range, combine_btr_defs,
13612         migrate_btr_def, migrate_btr_defs): Likewise.
13613         * cfgcleanup.c (thread_jump): Likewise.
13614         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
13615         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
13616         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
13617         df_rd_local_compute, df_reg_info_compute): Likewise.
13618         * dominance.c (init_dom_info, free_dom_info): Likewise.
13619         * flow.c (init_propagate_block_info,
13620         free_propagate_block_info): Likewise.
13621         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
13622         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
13623         modify_reg_pav): Likewise.
13624         * loop-invariant.c (find_defs, find_invariant_insn,
13625         find_invariants, free_inv_motion_data): Likewise.
13626         * predict.c (tree_predict_by_opcode,
13627         estimate_bb_frequencies): Likewise.
13628         * stmt.c (expand_case): Likewise.
13629         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
13630         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
13631         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
13632         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
13633         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
13634         rewrite_ssa_into_ssa): Likewise.
13635         * tree-optimize.c (tree_rest_of_compilation): Likewise.
13636         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
13637         analyze_edges_for_bb, perform_edge_inserts): Likewise.
13638         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
13639         * tree-sra.c (tree_sra): Likewise.
13640         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
13641         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
13642         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
13643         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
13644         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
13645         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
13646         Likewise.
13647         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
13648         calculate_live_on_entry, calculate_live_on_exit,
13649         build_tree_conflict_graph): Likewise.
13650         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
13651         record_important_candidates, set_use_iv_cost, find_depends,
13652         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
13653         tree_ssa_iv_optimize_finalize): Likewise.
13654         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
13655         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
13656         tree_duplicate_loop_to_header_edge): Likewise.
13657         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
13658         * tree-ssa.c (verify_flow_insensitive_alias_info,
13659         verify_name_tags, verify_ssa, init_tree_ssa,
13660         delete_tree_ssa): Likewise.
13661         * tree-ssanames.c (marked_ssa_names, init_ssanames,
13662         fini_ssanames): Likewise.
13663         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
13664
13665 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
13666
13667         * config/rs6000/t-rtems: Completely reworked.
13668
13669 2005-02-17  Ira Rosen  <irar@il.ibm.com>
13670
13671         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
13672
13673 2005-02-17  Ira Rosen  <irar@il.ibm.com>
13674
13675         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
13676         POINTER_TYPE_P when checking that type is a pointer.
13677         (vect_get_memtag): Remove.
13678         (vect_address_analysis): Use POINTER_TYPE_P. Call
13679         vect_object_analysis with dummy parameter for memtag.
13680         (vect_object_analysis): Extract memtag (functionality that
13681         used to be in vect_get_memtag and moved here). Fix printings.
13682         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
13683         with correct parameters. Remove call to vect_get_memtag.
13684
13685 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
13686
13687         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
13688         (tree-vectorizer.o): Added missing dependencies.
13689
13690         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
13691         decleration.
13692         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
13693         declaration in tree-vectorizer.c, now has an extern declaration in
13694         tree-vectorizer.h).
13695         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
13696         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
13697         get_vectype_for_scalar_type, vect_is_simple_use,
13698         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
13699         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
13700         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
13701         vectorizable_store, vectorizable_operation, vectorizable_assignment,
13702         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
13703         find_loop_location): Likewise.
13704
13705         * tree-vectorizer.c (langhooks.h): #include removed.
13706         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
13707         moved to tree-vectorized.h.
13708         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
13709         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
13710         get_vectype_for_scalar_type, vect_is_simple_use,
13711         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
13712         vect_supportable_dr_alignment, new_loop_vec_info,
13713         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
13714         vect_set_verbosity_level, find_loop_location): Likewise.
13715
13716         (vect_analyze_loop): Function externalized. Declaration moved to
13717         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
13718         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
13719         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
13720         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
13721         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
13722         vect_enhance_data_refs_alignment, vect_analyze_operations,
13723         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
13724         vect_stmt_relevant_p, vect_get_loop_niters,
13725         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
13726         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
13727         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
13728         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
13729         vect_get_memtag): Likewise.
13730
13731         (vectorizable_load): Function externalized. Declaration moved to
13732         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
13733         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
13734         vect_transform_loop): Likewise.
13735         (vect_transform_stmt): Moved to tree-vect-transform.c.
13736         (vect_align_data_ref, vect_create_destination_var,
13737         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
13738         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
13739         vect_get_vec_def_for_operand, vect_init_vector,
13740         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
13741         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
13742         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
13743         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
13744         vect_do_peeling_for_loop_bound): Likewise.
13745
13746         * tree-vect-analyze.c: New file.
13747         * tree-vect-transform.c: New file.
13748
13749 2005-02-17  Jason Merrill  <jason@redhat.com>
13750
13751         PR mudflap/19319, c++/19317
13752         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
13753         slot explicit.
13754
13755 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
13756
13757         * doc/install.texi (Specific): Update link for Darwin-specific
13758         tool binary site.
13759
13760 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
13761
13762         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
13763         constant_boolean_node.
13764
13765 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
13766
13767         PR target/19019
13768         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
13769         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
13770
13771 2005-02-16  Richard Henderson  <rth@redhat.com>
13772
13773         PR 19920
13774         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
13775         with W_TYPE_SIZE.
13776         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
13777         replace uses with Wtype_MAXp1_F.
13778         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
13779         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
13780         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
13781         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
13782         and HAVE_TFMODE as appropriate.
13783         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
13784         (__floatdisf): Likewise.
13785         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
13786         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
13787         (Wtype_MAXp1_F): New.
13788         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
13789         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
13790
13791 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
13792
13793         * PR target/19162
13794         * arm.c (arm_apply_result_size): New function.
13795         * arm.h (APPLY_RESULT_SIZE): Define.
13796         * arm-protos.h (arm_apply_result_size): Add prototype.
13797         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
13798         (movxf): New expand.
13799         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
13800         (call_value_symbol): Remove predicate for operand 0.
13801         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
13802         (untyped_call): Rework to correclty return values for any type.
13803         (untyped_return): New expand.
13804         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
13805
13806 2005-02-16  Stan Shebs  <shebs@apple.com>
13807
13808         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
13809         * config/rs6000/t-darwin8: New, for 64-bit multilib.
13810
13811 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
13812
13813         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
13814         configure settings on Solaris 7 and later.
13815
13816 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
13817
13818         PR tree-optimization/19865
13819         * tree-optimize.c (init_tree_optimization_passes): Run
13820         pass_may_alias after pass_sra.
13821
13822 2005-02-16  Richard Henderson  <rth@redhat.com>
13823             Stuart Hastings  <stuart@apple.com>
13824
13825         PR debug/19521
13826         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
13827         Do nothing if debug info suppressed for this function.
13828         (dbxout_begin_function): Early exit if debug info suppressed for
13829         this function.
13830
13831 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
13832
13833         PR target/20007
13834         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
13835         find_basic_blocks.
13836         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
13837
13838         PR tree-optimization/19967
13839         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
13840         expand_builtin_strchr, expand_builtin_strrchr): Take a new
13841         argument TYPE.  Adjust calls to fold_builtin_XXX.
13842         (expand_builtin, fold_builtin_1): Adjust calls to
13843         expand_builtin_XXX.
13844         (fold_builtin_strchr, fold_builtin_strpbrk,
13845         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
13846         result to a requested type TYPE.
13847
13848 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
13849
13850         PR middle-end/19857
13851         * fold-const.c (fold): Don't optimize (T)(x & cst) to
13852         (T)x & (T)cst if (T)cst overflows.
13853         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
13854         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
13855
13856 2005-02-15  Jeff Law  <law@redhat.com>
13857
13858         * gcse.c (blocks_with_calls): New bitmap.
13859         (alloc_gcse_mem): Allocate it.
13860         (free_gcse_mem): Free it.
13861         (clear_modifY_mem_tables): Clear it.
13862         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
13863         when we encounter CALL_INSNs.
13864         (compute_transp, case MEM): Handle blocks with calls separate
13865         from blocks without calls.  Use bitmap iterators rather than
13866         FOR_EACH_BB.
13867
13868 2005-02-15  Peter O'Gorman  <peter@pogma.com>
13869
13870         PR bootstrap/18810
13871         * mklibgcc.in (vis_hide): Use a temporary object file, not
13872         -o /dev/null.
13873
13874 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
13875
13876         PR target/19924
13877         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
13878         access optimization.
13879
13880 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
13881             Alan Modra  <amodra@bigpond.net.au>
13882
13883         PR target/19019
13884         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
13885         (_xlqsub): Rename to __gcc_qsub.
13886         (_xlqmul): Rename to __gcc_qmul.
13887         (_xlqdiv): Rename to __gcc_qdiv.
13888         Provide versioned symbol aliases with old names.
13889         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
13890         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
13891         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
13892         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
13893         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
13894
13895 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
13896
13897         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
13898         Fold ~(A - 1) and ~(A + -1) to -A.
13899
13900 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
13901
13902         PR pch/14940
13903         PR target/19300
13904         * config/host-linux.c (linux_gt_pch_use_address): Copy from
13905         config/pa/pa-host.c:pa_gt_pch_use_address.
13906
13907 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
13908
13909         * tree-vn.c (get_value_handle): Make sure that given an
13910         is_gimple_min_invariant expression, we always return it.
13911
13912 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
13913
13914         * passes.c (rest_of_handle_gcse): Fix a comment.
13915
13916 2005-02-15  Jeff Law  <law@redhat.com>
13917
13918         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
13919         bitmap.
13920         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
13921         (canon_list_insert, record_last_mem_set_info): Similarly.
13922         (clear_modify_mem_tables): Similarly.
13923
13924 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
13925
13926         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
13927         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
13928         config/mips/mips.md, config/rs6000/aix.h,
13929         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
13930
13931 2005-02-15  Richard Henderson  <rth@redhat.com>
13932
13933         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
13934         call to be best_edge.
13935
13936 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
13937
13938         * basic-block.h: Adjust the prototype for find_basic_blocks.
13939         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
13940         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
13941         find_basic_blocks.
13942
13943         * flow.c (recompute_reg_usage): Remove all arguments.
13944         * passes.c (rest_of_compilation): Adjust the call to
13945         recompute_reg_usage.
13946         * rtl.h: Adjust the prototype for recompute_reg_usage.
13947
13948 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
13949
13950         * tree-dump.c (dump_files): Update to reflect new member
13951         of dump_file_info.
13952         (dump_register): Add new argument.
13953         Set glob name.
13954         (dump_switch_p_1): Check against glob name if doglob was passed.
13955         (dump_switch_p): Check against regular first, then glob if
13956         we didn't have any hits on the dump name.
13957         * tree-optimize.c (register_one_dump_file):
13958         Pass in glob name as well.
13959         * tree-pass.h (struct dump_file_info): Add glob
13960         member.
13961
13962 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
13963
13964         PR preprocessor/16323
13965         * doc/invoke.texi: Document that -Wendif-labels is on by default.
13966
13967 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
13968
13969         PR target/19019
13970         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
13971         (trunctfdf2_internal1): New.
13972         (trunctfdf2_internal2): Renamed from trunctfdf2.
13973
13974 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
13975
13976         PR tree-optimization/19853
13977         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
13978
13979 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
13980
13981         * passes.c (rest_of_handle_loop_optimize): Remove calls to
13982         delete_dead_jumptables and cleanup_cfg.
13983
13984 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
13985
13986         * reload.c (find_reloads): Swap address_reloaded flags when
13987         swapping commutative operands.
13988
13989 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
13990
13991         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
13992         Use standard_iv_increment_position for computing the bsi position
13993         for create_iv.
13994         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
13995         the bsi position.
13996
13997 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
13998
13999         PR target/17428
14000         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
14001         life range of hard registers.
14002         * value-prof.c (insn_prefetch_values_to_profile): Only
14003         scan normal insns.
14004
14005         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
14006         profile in libcalls.
14007
14008 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
14009
14010         * bitmap.h (bitmap_and_compl_into): Return bool.
14011         * bitmap.c (bitmap_and_compl_into): Return changed flag.
14012
14013 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
14014
14015         PR tree-optimization/19944
14016         * fold-const.c (fold): Re-add ABS_EXPR folding.
14017
14018 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
14019
14020         PR target/19019
14021         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
14022         {TARGET,MASK}_XL_COMPAT.
14023         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
14024         MASK_XL_COMPAT.
14025         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
14026         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
14027         TARGET_XL_COMPAT.
14028         (rs6000_arg_partial_bytes): Same.
14029         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
14030         and XL compatibility enabled.
14031         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
14032         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
14033         test to final condition.
14034         (cmptf_internal2): New.
14035         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
14036         xl-compat.  Add TFmode information to description.
14037
14038 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
14039
14040         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
14041
14042 2005-02-13  Jason Merrill  <jason@redhat.com>
14043
14044         PR c++/16405
14045         * fold-const.c (fold_indirect_ref_1): Split out from...
14046         (build_fold_indirect_ref): Here.
14047         (fold_indirect_ref): New fn.
14048         * tree.h: Declare it.
14049         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
14050         (gimplify_modify_expr_rhs): Likewise.
14051         (gimplify_expr): Likewise.
14052
14053 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
14054
14055         PR tree-optimization/14303
14056         PR tree-optimization/15784
14057         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
14058         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
14059         ABS_EXPR<x> != 0 to x != 0.
14060
14061 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
14062
14063         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
14064         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
14065         spelling conventions.
14066
14067         * passes.c (rest_of_handle_gcse): Don't run cse_main and
14068         delete_trivially_dead_insns too many times.
14069
14070         * passes.c (rest_of_handle_gcse): Remove dead assignments to
14071         tem and tem2.
14072
14073 2005-02-12  Ira Rosen  <irar@il.ibm.com>
14074
14075         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
14076         (vect_is_simple_iv_evolution): Remove redundant parameter
14077         and step check.
14078         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
14079         without last parameter.
14080         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
14081         Return pointer step. Call vect_is_simple_iv_evolution without
14082         last parameter. Check only that the step is multiple of size
14083         type. Remove stmt_vinfo updates.
14084         (vect_get_memtag_and_dr): Remove.
14085         (vect_get_memtag): New function.
14086         (vect_address_analysis): New function.
14087         (vect_object_analysis): New function.
14088         (vect_analyze_data_refs): Call vect_object_analysis and
14089         vect_get_memtag. Update stmt_vinfo fields.
14090
14091 2005-02-12  Ira Rosen  <irar@il.ibm.com>
14092
14093         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
14094         exist and are objects. Remove checks for pointer.
14095         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
14096         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
14097         (vect_create_data_ref_ptr): Likewise.
14098         (vect_base_addr_differ_p): New function.
14099         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
14100         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
14101         Don't set the DR_BASE_NAME field of data-ref.
14102         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
14103
14104 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
14105
14106         * optabs.h (enum optab_index): Add new OTI_ldexp.
14107         (ldexp_optab): Define corresponding macro.
14108         * optabs.c (init_optabs): Initialize ldexp_optab.
14109         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
14110         patterns.
14111         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
14112         using ldexp_optab.
14113         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
14114         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
14115
14116         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
14117         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
14118         intrinsics.
14119
14120 2005-02-12  Ira Rosen  <irar@il.ibm.com>
14121
14122         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
14123         to base_address.
14124         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
14125         stmt_vec_info.
14126         (vect_get_base_and_offset): Always return an address.
14127         (vect_create_addr_base_for_vector_ref): Remove treatment for
14128         different data reference types.
14129         (vect_compute_data_ref_alignment): Rename base to base_address in
14130         stmt_vec_info. Get the object in order to force its alignment.
14131         (vect_get_memtag_and_dr): Rename base to base_address in
14132         stmt_vec_info. Extract the object for memtag analysis.
14133
14134 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
14135
14136         PR regression/19898.
14137         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
14138         changes cc_status, use apply modified_in_p to part of cc_status
14139         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
14140         body.
14141
14142 2005-02-11  Richard Henderson  <rth@redhat.com>
14143
14144         * tree-complex.c (expand_complex_libcall): New.
14145         (expand_complex_multiplication): Use it for c99 compliance.
14146         (expand_complex_division): Likewise.
14147         * fold-const.c (fold_complex_add, fold_complex_mult): New.
14148         (fold): Call them.
14149         * builtins.c (built_in_names): Remove const.
14150         * tree.c (build_common_builtin_nodes): Build complex arithmetic
14151         builtins.
14152         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
14153         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
14154         (built_in_names): Remove const.
14155         * c-common.c (c_common_type_for_mode): Handle complex modes.
14156         * flags.h, toplev.c (flag_complex_method): Rename from
14157         flag_complex_divide_method.
14158         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
14159         __mulsc3, __muldc3, __mulxc3, __multc3): New.
14160         * libgcc2.h: Declare them.
14161         * libgcc-std.ver: Export them.
14162         * mklibgcc.in (lib2funcs): Build them.
14163
14164 2005-02-11  Steven Bosscher  <stevenb@suse.de>
14165
14166         PR tree-optimization/19876
14167         Partially revert my change from 2005-01-14
14168         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
14169         (compute_antic): ...and remove the loop here.
14170
14171 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
14172
14173         PR middle-end/19858
14174         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
14175         is number of inner's bits, avoid creating a BIT_FIELD_REF.
14176
14177         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
14178         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
14179
14180 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
14181
14182         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
14183         offsets for the big-endian 32-bit case.
14184
14185 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
14186
14187         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
14188
14189 2005-02-11  Dale Johannesen  <dalej@apple.com>
14190
14191         * cselib.c (cselib_process_insn):  Clear out regs where
14192         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
14193         * reload.c (find_equiv_reg): Ditto.
14194
14195 2005-02-11  Ian Lance Taylor  <ian@airs.com>
14196
14197         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
14198         with no elements.
14199
14200         * tree.c (build_function_type_list): Work correctly if there are
14201         no arguments.
14202
14203 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
14204
14205         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
14206         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
14207         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
14208         TARGET_ZARCH instead of TARGET_64BIT.
14209
14210 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
14211
14212         * config/rs6000/t-rtems:
14213         (MULTILIB_OPTIONS): Remove mcpu=602.
14214         (MUTLILIB_DIRNAMES): Remove m602.
14215         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
14216         Let mcpu=602 match mcpu=603.
14217         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
14218
14219 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14220
14221         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
14222         signal trampolines.
14223
14224 2005-02-10  David Daney  <ddaney@avtrex.com>
14225
14226         * config/alpha/linux-unwind.h: Add exception clause to copyright.
14227         * config/i386/linux-unwind.h: Likewise.
14228         * config/ia64/linux-unwind.h: Likewise.
14229         * config/mips/linux-unwind.h: Likewise.
14230         * config/pa/linux-unwind.h: Likewise.
14231         * config/rs6000/linux-unwind.h: Likewise.
14232         * config/s390/linux-unwind.h: Likewise.
14233         * config/sh/linux-unwind.h: Likewise.
14234         * config/sparc/linux-unwind.h: Likewise.
14235
14236 2005-02-10  Steven Bosscher  <stevenb@suse.de>
14237
14238         PR tree-optimization/17549
14239         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
14240         TER to replace a DEF with its expression if the DEF and the
14241         rhs of the expression we replace into have the same root
14242         variable.
14243
14244 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
14245
14246         * config/mips/mips.md: Fix the placement of the match_scratch in the
14247         lea64 peephole2.
14248
14249 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
14250
14251         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
14252         Fix comment typos.
14253
14254 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
14255
14256         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
14257         (strip_offset): Handle addresses.
14258         (add_address_candidates): Use strip_offset.
14259         (difference_cost): Reflect strip_offset change.
14260         (force_var_cost, difference_cost): Strip nops.
14261
14262 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
14263
14264         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
14265
14266         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
14267         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
14268         config/cris/cris-protos.h, config/cris/cris.c: Update
14269         copyright.
14270
14271 2005-02-10  Jeff Law  <law@redhat.com>
14272
14273         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
14274         (lookup_avail_expr): Similarly.
14275
14276 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
14277
14278         * builtins.c (fold_builtin_powi): New function.
14279         (fold_builtin_1): Call it.
14280
14281 2005-02-10  Steven Bosscher  <stevenb@suse.de>
14282
14283         PR documentation/19309
14284         * doc/cpp.texi: The __GNUC__ and related predefined macros
14285         are also defined for the "standalone" cpp.
14286         Some non-GCC compilers may also define __GNUC__.
14287
14288 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
14289
14290         PR c/19342
14291         * c-typeck.c (common_type): New routine.  Old common_type renamed
14292         to...
14293         (c_common_type): ...this.
14294         (build_conditional_expr, build_binary_op): Use c_common_type instead
14295         of common_type.
14296
14297 2005-02-10  Steven Bosscher  <stevenb@suse.de>
14298
14299         * doc/md.texi: Replace @samp{length} with @code{length}.
14300
14301 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
14302
14303         PR tree-optimization/18687
14304         * tree-flow.h (find_loop_niter): Declare.
14305         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
14306         Try using scev even for loops with more than one exit.
14307         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
14308         (struct ivopts_data): Added niters field.
14309         (struct nfe_cache_elt): New.
14310         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
14311         functions.
14312         (tree_ssa_iv_optimize_init): Initialize niters cache.
14313         (determine_number_of_iterations): Removed.
14314         (find_induction_variables): Do not call determine_number_of_iterations.
14315         Access niters for single exit through niter_for_single_dom_exit.
14316         (add_iv_outer_candidates): Access niters for single exit through
14317         niter_for_single_dom_exit.
14318         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
14319         number_of_iterations_cond.
14320         (iv_period): New function.
14321         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
14322         (may_replace_final_value): Take data argument.  Use
14323         niter_for_single_dom_exit.
14324         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
14325         (rewrite_use_compare): Pass data to may_eliminate_iv.
14326         (rewrite_use_outer): Pass data to may_replace_final_value.
14327         (free_loop_data): Clean up the niters cache.
14328         (tree_ssa_iv_optimize_finalize): Free the niters cache.
14329         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
14330         * tree-ssa-loop-niter.c (find_loop_niter): New function.
14331         (find_loop_niter_by_eval): Use tree_int_cst_lt.
14332         (num_ending_zeros): Moved to tree.c.
14333         * tree.h (num_ending_zeros): Declare.
14334         * tree.c (num_ending_zeros): Moved from tree.c.
14335
14336 2005-02-09  Richard Henderson  <rth@redhat.com>
14337
14338         * builtins.c (DEF_BUILTIN): Add COND argument.
14339         * tree.h (DEF_BUILTIN): Likewise.
14340         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
14341         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
14342         match.
14343         (DEF_BUILTIN_STUB): New.
14344         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
14345         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
14346         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
14347         * c-common.c (DEF_BUILTIN): Add COND argument.
14348         * tree.c (local_define_builtin): New.
14349         (build_common_builtin_nodes): New.
14350
14351 2005-02-09  Roger Sayle  <roger@eyesopen.com>
14352
14353         * fold-const.c (fold_strip_sign_ops): New function to simplify a
14354         floating point expression ignoring the sign of the result.
14355         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
14356         (fold) <MULT_EXPR>: Use it to simplify x*x.
14357         * tree.h (fold_strip_sign_ops): Prototype here.
14358         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
14359         argument.  Use fold_strip_sign_ops to simplify the first argument.
14360         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
14361         first argument when the second argument is an even integer
14362         constant, but only with -funsafe_math_optimizations.
14363         (fold_builtin_1): Update call to fold_builtin_copysign.
14364
14365 2005-02-09  Ian Lance Taylor  <ian@airs.com>
14366
14367         PR middle-end/19583
14368         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
14369         just check whether EH_FILTER_FAILURE falls through.
14370
14371 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
14372
14373         * gcc/haifa-sched.c (schedule_block): Make queued sched group
14374         insns return to ready list in the next turn.
14375
14376 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
14377
14378         PR middle-end/19402
14379         * builtins.def: New __builtin_powi[lf].
14380         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
14381         (expand_builtin_powi): New function.
14382         (expand_builtin): Dispatch to expand_builtin_powi.
14383         * libgcc2.h: Add prototypes for __builtin_powi[lf].
14384         * libgcc2.c: Add __builtin_powi[lf] implementation.
14385         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
14386         * optabs.h: Add powi_optab.
14387         * optabs.c (init_optabs): Initialize powi_optab.
14388         * doc/extend.texi: Document __builtin_powi[lf].
14389
14390 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
14391
14392         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
14393         exists.
14394
14395 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
14396
14397         PR middle-end/19854
14398         * fold-const.c (try_move_mult_to_index): Remove redundant
14399         type argument.  Create ADDR_EXPR with correct type.
14400         (fold): Update callers of try_move_mult_to_index.  Convert
14401         result to the appropriate type.
14402
14403 2005-02-09  Roger Sayle  <roger@eyesopen.com>
14404
14405         PR target/19597
14406         * config/avr/avr.c (default_rtx_costs): Delete.
14407         (avr_operand_rtx_cost): New function.
14408         (avr_rtx_costs): Completely rewrite.
14409
14410 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
14411
14412         PR target/19806
14413         * config/cris/cris.c (in_code): New variable.
14414         (cris_output_addr_const): Now a static function, a wrapper for
14415         output_addr_const.
14416         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
14417         case from old cris_output_addr_const.
14418         (cris_asm_output_label_ref): Similar for LABEL_REF.
14419         (cris_output_addr_const_extra): Similar for UNSPEC.
14420         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
14421         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
14422         * config/cris/cris-protos.h (cris_output_addr_const): Remove
14423         declaration.
14424         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
14425         (cris_asm_output_label_ref): Declare.
14426
14427 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
14428
14429         PR preprocessor/19801
14430         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
14431         filenames that changed when libcpp was moved to the toplevel.
14432
14433 2005-02-07  Roger Sayle  <roger@eyesopen.com>
14434
14435         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
14436         zero extensions of BImode operands.  Call lowpart_subreg instead
14437         of gen_lowpart_common and gen_lowpart_SUBREG.
14438
14439 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
14440
14441         PR ada/19489
14442         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
14443         * configure.ac: Set cc_for_cross_gnattools.
14444         * configure: Regenerate.
14445
14446 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
14447
14448         PR target/19803
14449         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
14450
14451 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
14452
14453         PR debug/19327
14454         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
14455         of nested functions.
14456
14457 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
14458
14459         * doc/extend.texi: Document deprecated extensions allowing
14460         static floating-point members to have initializers and allowing
14461         floating-point literals in integral constant expressions.
14462
14463 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
14464
14465         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
14466         config/darwin7.h, config/mips/mips.c,
14467         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
14468         Update copyright.
14469
14470         * cse.c: Update comments.
14471
14472 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
14473
14474         PR middle-end/19775
14475         * builtins.c (fold_builtin_sqrt): Transform
14476         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
14477         pow(x,y*0.5).
14478
14479 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
14480             Dorit Naishlos  <dorit@il.ibm.com>
14481
14482         * doc/invoke.texi (ftree-vectorizer-verbose): New.
14483         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
14484         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
14485         was added.
14486         * tree.h (vect_set_verbosity_level): New extern function declaration
14487         added.
14488         * tree-vectorizer.h (verbosity_levels): New enum type.
14489         * tree-vectorizer.c (vect_debug_stats): Function removed.
14490         (vect_debug_details): Likewise.
14491         (vect_verbosity_level): Global variable was defined and initialized.
14492         (vect_dump): Global variable definition.
14493         (vect_print_dump_info): New function.
14494         (vect_set_dump_settings): New function.
14495         (vect_set_verbosity_level): New function.
14496         (vectorize_loops): Add call to vect_set_dump_settings.
14497
14498         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
14499         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
14500         (slpeel_tree_peel_loop_to_edge): Likewise.
14501
14502         (vect_analyze_offset_expr): Call to vect_print_dump_info with
14503         appropriate verbosity level instead of call to vect_debug_details
14504         or vect_debug_stats.
14505         (vect_get_base_and_offset):
14506         (vect_create_addr_base_for_vector_ref):
14507         (get_vectype_for_scalar_type):
14508         (vect_create_data_ref_ptr):
14509         (vect_init_vector):
14510         (vect_get_vec_def_for_operand):
14511         (vect_finish_stmt_generation):
14512         (vectorizable_assignment):
14513         (vectorizable_operation):
14514         (vectorizable_store):
14515         (vectorizable_load):
14516         (vect_transform_stmt):
14517         (vect_update_ivs_after_vectorizer):
14518         (vect_do_peeling_for_loop_bound):
14519         (vect_update_inits_of_drs):
14520         (vect_do_peeling_for_alignment):
14521         (vect_transform_loop):
14522         (vect_is_simple_use):
14523         (vect_analyze_operations):
14524         (vect_is_simple_iv_evolution):
14525         (vect_analyze_scalar_cycles):
14526         (vect_analyze_data_ref_dependence):
14527         (vect_analyze_data_ref_dependences):
14528         (vect_compute_data_ref_alignment):
14529         (vect_enhance_data_refs_alignment):
14530         (vect_analyze_data_refs_alignment):
14531         (vect_analyze_data_ref_access):
14532         (vect_analyze_data_ref_accesses):
14533         (vect_analyze_pointer_ref_access):
14534         (vect_get_memtag_and_dr):
14535         (vect_analyze_data_refs):
14536         (vect_mark_relevant):
14537         (vect_stmt_relevant_p):
14538         (vect_mark_stmts_to_be_vectorized):
14539         (vect_can_advance_ivs_p):
14540         (vect_get_loop_niters):
14541         (vect_analyze_loop_form):
14542         (vect_analyze_loop):
14543         (vectorize_loops): Likewise.
14544
14545         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
14546         (vect_update_inits_of_drs):
14547         (vect_do_peeling_for_alignment):
14548         (vect_transform_loop):
14549         (vect_analyze_operations):
14550         (vect_analyze_scalar_cycles):
14551         (vect_analyze_data_ref_dependences):
14552         (vect_analyze_data_refs_alignment):
14553         (vect_analyze_data_ref_accesses):
14554         (vect_analyze_data_refs):
14555         (vect_mark_stmts_to_be_vectorized):
14556         (vect_get_loop_niters):
14557         (vect_analyze_loop_form):
14558         (vect_analyze_loop): Likewise.
14559         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
14560
14561 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
14562
14563         PR bootstrap/19796
14564         Revert:
14565         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
14566         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
14567         either -ffast-math or -funsafe-math-optimizations is in use.
14568
14569         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
14570         * config/mips/irix-csr.c: New file.
14571         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
14572         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
14573         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
14574         executables.
14575
14576 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
14577
14578         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
14579         redundant, incorrect definitions.
14580
14581         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
14582         expand.
14583         ("*tls_indirect_call"): New, reference hard regs directly.
14584         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
14585
14586 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
14587
14588         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
14589         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
14590
14591 2005-02-06  Roger Sayle  <roger@eyesopen.com>
14592
14593         PR rtl-optimization/19800
14594         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
14595         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
14596         gen_lowpart.
14597
14598 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
14599
14600         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
14601
14602 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
14603
14604         PR other/17135
14605         * doc/invoke.texi: Correct documentation of -freorder-functions.
14606
14607 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
14608
14609         PR other/14402
14610         * doc/invoke.texi: Don't mention gccbug.
14611
14612 2005-02-06  Roger Sayle  <roger@eyesopen.com>
14613             Andrew Pinski  <pinskia@physics.uc.edu>
14614             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
14615
14616         * simplify-rtx.c (simplify_relational_operation_1): Simplify
14617         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
14618         into just (zero_extract:SI FOO (const_int 1) BAR).
14619
14620 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
14621
14622         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
14623         macro locally.  Don't give last revision date.  Use GCC version
14624         number from gcc-common.texi.
14625         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
14626         revision date.  Use GCC version number from gcc-common.texi.
14627         Describe being a library as current state rather than as 3.x
14628         history.
14629         * doc/gcc.texi: Remove last update date.
14630         * doc/gccint.texi: Likewise.  Update copyright dates.
14631         * doc/install.texi: Update copyright dates.
14632
14633 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
14634
14635         PR other/7549
14636         * doc/invoke.texi: Mention for each option included in -Wall that
14637         it is included in -Wall.
14638         * doc/gcc.texi: Update copyright and last modification date.
14639
14640 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
14641
14642         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
14643         unnecessary cast to original induction variable increments.
14644
14645 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
14646
14647         PR tree-optimization/18219
14648         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
14649         in distributed form.
14650
14651 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
14652
14653         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
14654         Set bitpos and offset later in the function.  Do nothing if the
14655         target is a register and if the bitfield lies completely outside
14656         that register.
14657         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
14658         here.  Return an uninitialised register if the source value is stored
14659         in a register and the bitfield lies completely outside that register.
14660
14661 2005-02-06  Steven Bosscher  <stevenb@suse.de>
14662
14663         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
14664         not SET_DEST.
14665
14666 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
14667
14668         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
14669
14670 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
14671
14672         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
14673         * config/darwin8.h: New.
14674         * config/darwin7.h: Update comment.
14675
14676 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
14677             Dorit Naishlos  <dorit@il.ibm.com>
14678
14679         * tree-vectorizer.h (LOC): New type.
14680         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
14681         (loop_line_number): New field in struct _loop_vec_info.
14682         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
14683
14684         * tree-vectorizer.c (input.h): Included.
14685         (find_loop_location): New function.
14686         (vect_debug_stats): Argument changed from loop to LOC. Computation of
14687         loop line number removed.
14688         (vect_debug_details): Likewise.
14689         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
14690
14691         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
14692         call to vect_debug_details/stats changed from loop to loop_loc.
14693         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
14694         (slpeel_tree_peel_loop_to_edge): Likewise.
14695
14696         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
14697         changed from NULL to UNKNOWN_LOC.
14698         (vect_get_base_and_offset):
14699         (vect_create_addr_base_for_vector_ref):
14700         (get_vectype_for_scalar_type):
14701         (vect_create_data_ref_ptr):
14702         (vect_init_vector):
14703         (vect_get_vec_def_for_operand):
14704         (vect_finish_stmt_generation):
14705         (vectorizable_assignment):
14706         (vectorizable_operation):
14707         (vectorizable_store):
14708         (vectorizable_load):
14709         (vect_transform_stmt):
14710         (vect_update_ivs_after_vectorizer):
14711         (vect_do_peeling_for_loop_bound):
14712         (vect_do_peeling_for_alignment):
14713         (vect_transform_loop):
14714         (vect_is_simple_use):
14715         (vect_analyze_operations):
14716         (vect_is_simple_iv_evolution):
14717         (vect_analyze_scalar_cycles):
14718         (vect_analyze_data_ref_dependences):
14719         (vect_compute_data_ref_alignment):
14720         (vect_enhance_data_refs_alignment):
14721         (vect_analyze_data_ref_access):
14722         (vect_analyze_data_ref_accesses):
14723         (vect_analyze_pointer_ref_access):
14724         (vect_get_memtag_and_dr):
14725         (vect_analyze_data_refs):
14726         (vect_mark_relevant):
14727         (vect_stmt_relevant_p):
14728         (vect_mark_stmts_to_be_vectorized):
14729         (vect_can_advance_ivs_p):
14730         (vect_get_loop_niters):
14731         (vect_analyze_loop):
14732         (vectorize_loops): Likewise.
14733
14734         (vectorizable_load): Argument in call to vect_debug_details/stats
14735         changed from loop to LOOP_LOC (loop_vinfo).
14736         (vect_transform_loop):
14737         (vect_analyze_operations):
14738         (vect_analyze_scalar_cycles):
14739         (vect_analyze_data_ref_dependence):
14740         (vect_enhance_data_refs_alignment):
14741         (vect_analyze_data_ref_accesses):
14742         (vect_analyze_pointer_ref_access):
14743         (vect_analyze_data_refs):
14744         (vect_analyze_loop): Likewise.
14745
14746         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
14747         changed from loop to loop_loc.
14748
14749         (vect_enhance_data_refs_alignment): Removed unused variable loop.
14750
14751 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
14752             Dorit Naishlos  <dorit@il.ibm.com>
14753
14754         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
14755         declaration added.
14756         (vect_analyze_data_ref_dependences): Likewise.
14757
14758         (vect_is_simple_use): Argument changed from loop structure to
14759         loop_vect_info structure.
14760         (vect_can_advance_ivs_p): Likewise.
14761         (vect_create_index_for_vector_ref): Likewise.
14762         (vect_update_ivs_after_vectorizer): Likewise.
14763         (new_stmt_vec_info): Likewise.
14764
14765         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
14766         changed from loop to loop_vinfo.
14767         (vect_create_data_ref_ptr): First argument in call to
14768         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
14769         (vectorizable_assignment): Second argument in call to vect_is_simple_use
14770         was changed from loop to loop_vinfo.
14771         (vectorizable_operation): Likewise.
14772         (vectorizable_store): Likewise.
14773         (vect_mark_stmts_to_be_vectorized): Likewise.
14774         (vect_do_peeling_for_loop_bound): First argument in call to
14775         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
14776         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
14777         was changed from loop to loop_vinfo.
14778         (vect_analyze_data_ref_dependences): Third argument in call to
14779         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
14780
14781         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
14782         (vect_create_data_ref_ptr): Likewise.
14783         (vect_init_vector): Likewise.
14784         (vect_get_vec_def_for_operand): Likewise.
14785         (vectorizable_assignment): Likewise.
14786         (vectorizable_operation): Likewise.
14787         (vectorizable_store): Likewise.
14788         (vectorizable_load): Likewise.
14789         (vect_update_ivs_after_vectorizer): Likewise.
14790         (vect_is_simple_use): Likewise.
14791         (vect_analyze_data_ref_dependence): Likewise.
14792         (vect_analyze_pointer_ref_access): Likewise.
14793         (vect_can_advance_ivs_p): Likewise.
14794
14795         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
14796         before _stmt_vec_info.
14797         (_stmt_vec_info): Loop field replaced by loop_vec_info.
14798         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
14799         (new_stmt_vec_info): Argument changed from loop structure to
14800         loop_vect_info structure
14801
14802         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
14803         (vect_analyze_offset_expr): Avoid 80 columns overflow.
14804         (vect_create_addr_base_for_vector_ref): Likewise.
14805         (vect_analyze_pointer_ref_access): Likewise.
14806
14807 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
14808
14809         PR tree-opt/19768
14810         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
14811         phi flag if the phi is abnormal.
14812
14813 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
14814
14815         PR tree-opt/19736
14816         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
14817         information for the new statement.
14818
14819 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
14820
14821         PR driver/19117
14822         * gcc.c (main): Include the target in -v output.
14823
14824 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
14825
14826         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
14827         Do not drop the extend if we'd have to add a paradoxical subreg
14828         later.  Include optabs.h and insn-codes.h.
14829         * Makefile.in (combine.o): Depend on $(OPTABS_H).
14830
14831 2005-02-02  Roger Sayle  <roger@eyesopen.com>
14832
14833         PR middle-end/19405
14834         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
14835         * fold-const.c (const_binop): Avoid constant folding floating
14836         point operations in modes that use composite representations.
14837         * simplify-rtx.c (simplify_binary_operation): Likewise.
14838
14839 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
14840
14841         * config/rs6000/altivec.md (altivec_dst): Make the first operand
14842         a REG, not a MEM.
14843         (altivec_dstt): Likewise.
14844         (altivec_dstst): Likewise.
14845         (altivec_dststt): Likewise.
14846         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
14847         of first operand.
14848
14849 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
14850
14851         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
14852         EXPR_LOCUS from orig_cond to the new cond_stmt.
14853         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
14854         the new vec_stmt.
14855
14856 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
14857
14858         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
14859         standard_iv_increment_position. Remove call to bsi_next
14860         (no need to bump the iterator anymore).
14861         (vect_create_index_for_vector_ref): Call
14862         standard_iv_increment_position. Remove second function argument.
14863         (vect_finish_stmt_generation): Remove call to bsi_next
14864         (no need to bump the iterator anymore).
14865         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
14866         to vect_create_index_for_vector_ref.
14867
14868 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
14869
14870         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
14871         phis are used out of the loop.
14872
14873 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
14874
14875         PR c/17807
14876         * c-decl.c (undef_nested_function): New variable.
14877         (pop_scope): Diagnose undefined nested functions.
14878         (finish_function): Don't attempt cgraph processing or genericizing
14879         if current top-level function contained an undefined nested
14880         function.  Reset undef_nested_function at the end of a top-level
14881         function.
14882
14883 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
14884
14885         * tree.c (build_int_cst_type): Take sign of the value into account
14886         when deciding whether sign extend the value.
14887
14888 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
14889
14890         PR c/18502
14891         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
14892         (cpp_options, cc1_options): Change %{std*&ansi} to
14893         %{std*&ansi&trigraphs}.
14894
14895 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
14896
14897         * cse.c: Update comments.
14898
14899 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
14900
14901         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
14902         arguments go on the stack.  Do not put complex doubles in odd/even
14903         pairs.
14904
14905 2005-02-02  Steven Bosscher  <stevenb@suse.de>
14906
14907         * doc/invoke.texi: Update the options enabled at -O1, -O2,
14908         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
14909         -ftree-pre, and -fthread-jumps.
14910
14911 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
14912
14913         PR tree-optimization/19578
14914         * tree-flow.h (modified_noreturn_calls): Declare.
14915         (noreturn_call_p): Declare.
14916         * tree-flow-inline.h (noreturn_call_p): New function.
14917         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
14918         * tree-cfg.c (modified_noreturn_calls): New variable.
14919         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
14920         that contain a mid-block noreturn call.
14921         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
14922
14923 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
14924
14925         * df.c (df_def_record_1, df_uses_record): Don't use
14926         DF_FOR_REGALLOC.
14927         * df.h (DF_FOR_REGALLOC): Remove.
14928
14929 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
14930
14931         PR c/19435
14932         * c-typeck.c (really_start_incremental_init): Reset
14933         constructor_max_index for arrays of incomplete type.
14934
14935 2005-02-02  Jeff Law  <law@redhat.com>
14936
14937         * gcse.c (struct reg_set): Store the block index where the register
14938         was set rather than the setting insn.
14939         (record_one_set, compute_transp): Corresponding changes.
14940         (pre_insert_copy_insn): Do not call replace_one_set.
14941         (replace_one_set): Remove.
14942
14943 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
14944
14945         PR other/15514
14946         * doc/gcov.texi: Fix typo.
14947
14948 2005-02-01  Richard Henderson  <rth@redhat.com
14949
14950         PR target/19680
14951         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
14952         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
14953         type to bool.
14954         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
14955         * config/i386/i386-protos.h: Update.
14956
14957 2005-02-01  Steven Bosscher  <stevenb@suse.de>
14958
14959         PR tree-optimization/19217
14960         * tree-cfg.c (verify_expr): Use the data field to see if TP was
14961         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
14962         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
14963         that it is walking a PHI node.
14964
14965 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
14966
14967         * doc/extend.texi (Nested Functions): Update.
14968
14969 2005-02-01  Richard Henderson  <rth@redhat.com>
14970
14971         PR 19696
14972         * optabs.c (expand_copysign_absneg): Export.
14973         * optabs.h (expand_copysign_absneg): Declare.
14974         * config/rs6000/rs6000.md (copysigntf3): New.
14975
14976 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
14977
14978         PR tree-optimization/19633
14979         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
14980         * tree-ssa-alias.c (init_alias_info): Initialize.
14981         (merge_pointed_to_info): Set.
14982         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
14983         (dump_points_to_info_for): Show value of pt_null.
14984         (struct count_ptr_d): Declare.
14985         (find_ptr_dereference): Remove.
14986         (ptr_is_dereferenced_by): Remove.
14987         (count_ptr_derefs): New local function.
14988         (count_uses_and_derefs): New local function.
14989         (compute_points_to_and_addr_escape): Call it.  If the number
14990         of dereferences is greater than zero, mark the pointer as
14991         dereferenced.  If there are fewer dereferences than uses of
14992         the pointer, the pointer's value escapes.
14993
14994 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
14995
14996         PR tree-optimization/19670
14997         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
14998         here...
14999         (verify_use): ... set it here, instead.
15000
15001 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
15002
15003         * doc/sourcebuild.texi (Test directives): Fix formatting.
15004
15005         * doc/sourcebuild.texi (Test directives): Describe selector
15006         expressions.
15007
15008 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
15009
15010         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
15011         specific 64-bit CPUs.
15012
15013 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
15014
15015         PR target/16201
15016         * arm.c (arm_eliminable_register): New function.
15017         (adjacent_mem_locations): Don't allow eliminable registers.  Use
15018         HOST_WIDE_INT for address offsets.
15019         * arm-protos.h (arm_eliminable_register): Add prototype.
15020
15021 2005-02-01  Steven Bosscher  <stevenb@suse.de>
15022
15023         PR optimization/15242
15024         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
15025         * basic-block.h (duplicate_computed_gotos): Add prototype.
15026         * bb-reorder.c (duplicate_computed_gotos): New function to
15027         duplicate sufficiently small blocks ending in a computed jump.
15028         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
15029         if not optimizing for size.
15030         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
15031         never do tail merging for blocks ending in a computed jump.
15032         * doc/invoke.texi: Document the max-goto-duplication-insns param.
15033
15034 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
15035
15036         Patch from Richard Sandiford <rsandifo@redhat.com>
15037         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
15038         from inheriting a subreg equivalence with a non-spill register.
15039
15040         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
15041
15042 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
15043
15044         * config/frv/frv.c (movcc_fp_destination_operand): New.
15045         (gpr_or_memory_operand): Fix typo in comment.
15046         (gpr_or_memory_operand_with_scratch): New.
15047         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
15048         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
15049         movcc_fp_destination_operand.
15050         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
15051         Legitimize memory addresses using a scratch register.
15052
15053 2005-01-31  Jeff Law  <law@redhat.com>
15054
15055         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
15056         bitmap a sparse bitmap instead of a simple bitmap.
15057         (mark_def_sites_initialize_block):  Corresponding changes.
15058         (ssa_mark_def_sites_initialize_block): Likewise.
15059         (ssa_mark_phi_uses): Likewise.
15060         (mark_def_site, ssa_mark_def_sites): Likewise.
15061         (mark_def_site_blocks): Likewise.
15062         (rewrite_ssa_into_ssa): Likewise.
15063
15064         * tree-ssa-dom.c (record_cond): Pass correct variable type
15065         for last argument to htab_find_slot_with_hash.
15066
15067         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
15068         effects when optimizing 0 % X.  Do not try to optimize X % 0.
15069
15070 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
15071
15072         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
15073         1_mmalua.
15074
15075 2005-02-01  Eric Christopher  <echristo@redhat.com>
15076
15077         * config/mips/mips.c (override_options): Warn if -mint64
15078         is used.
15079         * doc/invoke.texi (MIPS Options): Document that -mint64 is
15080         deprecated.
15081
15082 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
15083
15084         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
15085         timestamp.
15086         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
15087         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
15088         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
15089         (cached_regno): Initialize to INVALID_REGNUM.
15090         (cse_reg_info_table_size,
15091         cse_reg_info_table_first_uninitialized,
15092         cse_reg_info_timestamp): New.
15093         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
15094         get_cse_reg_info.
15095         (init_cse_reg_info, get_cse_reg_info_1): New.
15096         (get_cse_reg_info): Cache the last look-up.
15097         (new_basic_block): Update the code to clear mappings from
15098         registers to cse_reg_info entries.
15099         (cse_main): Call init_cse_reg_info.
15100
15101         * cse.c (get_cse_reg_info): Update a comment.
15102
15103 2005-01-31  Steven Bosscher  <stevenb@suse.de>
15104
15105         PR c/19333
15106         * c-decl.c (start_decl): Do not warn about arrays of elements with
15107         an incomplete type here.
15108         (grokdeclarator): Do it here by making a pedwarn an error.
15109         * c-typeck.c (push_init_level): If there were previous errors with
15110         the constructor type, do not warn about braces for initializers.
15111         (process_init_element): Likewise for excess initializer elements.
15112
15113 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
15114
15115         * cse.c (delete_trivially_dead_insn): Don't iterate.
15116
15117 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
15118
15119         * config/rs6000/rs6000.md (copysignsf3): New expand.
15120         (copysigndf3): Likewise.
15121
15122 2005-01-31  Steven Bosscher  <stevenb@suse.de>
15123
15124         * recog.c (constrain_operands): Only look for earlyclobber operand
15125         conflicts if an '&' constraint was seen.
15126
15127 2005-01-31  Marc Espie <espie@openbsd.org>
15128
15129         * config.gcc: Don't include embedded systems fragment, switches default
15130         debugging format to ELF.
15131         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
15132         longer pick it up there.
15133
15134 2005-01-31  Dale Johannesen  <dalej@apple.com>
15135
15136         * doc/extend.texi (nested functions): Fix linkage description.
15137         Clarify that static is not allowed.
15138
15139 2005-01-31  Dale Johannesen  <dalej@apple.com>
15140
15141         * config/rs6000/darwin.md (movsf_low_di):  Make work.
15142         (movdf_low_di):  Make work.
15143
15144 2005-01-31  Dale Johannesen  <dalej@apple.com>
15145
15146         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
15147         Make work for 64 bit.
15148
15149 2005-01-31  Roger Sayle  <roger@eyesopen.com>
15150             Dale Johannesen  <dalej@apple.com>
15151
15152         PR middle-end/19650
15153         * fold-const.c (fold_binary_op_with_conditional_arg):
15154         Make types match original operands, before STRIP_NOPS.
15155
15156 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
15157
15158         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
15159         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
15160         (struct gcc_sigcontext): Delete.  Merge contents to..
15161         (struct gcc_ucontext): ..here.
15162         (get_sigcontext): Delete.
15163         (get_regs): New function, like get_sigcontext but return regs ptr.
15164         64-bit version finds regs from r1 to support vdso.
15165         (ppc_linux_aux_vector): New function.
15166         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
15167         and vector regs.
15168
15169 2005-01-31  Ira Rosen  <irar@il.ibm.com>
15170
15171         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
15172         sizetype.
15173         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
15174         redundant fold. Fix misalignment for MINUS_EXPR.
15175         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
15176         (vect_analyze_pointer_ref_access): Likewise.
15177         (vect_get_memtag_and_dr): Likewise.
15178
15179 2005-01-31  Richard Henderson  <rth@redhat.com>
15180
15181         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
15182         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
15183         absnegdf2_i387, absnegxf2_i387): Likewise.
15184
15185 2005-01-31  Richard Henderson  <rth@redhat.com>
15186
15187         PR 19696
15188         * optabs.c (expand_copysign_absneg): New.
15189         (expand_copysign_bit): Split out from ...
15190         (expand_copysign): ... here.  Use expand_copysign_absneg.
15191
15192 2005-01-30  Roger Sayle  <roger@eyesopen.com>
15193
15194         PR middle-end/19697
15195         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
15196         constant as the second operand and a register as the third.
15197
15198 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
15199
15200         PR target/19704
15201         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
15202         that dllimport'd functions do not use all call-clobbered registers
15203         to pass parameters.
15204
15205 2005-01-30  Richard Henderson  <rth@redhat.com>
15206
15207         PR 19696
15208         * optabs.c (expand_absneg_bit): Split out from expand_unop and
15209         expand_abs_nojump and generalize.  Use operand_subword and
15210         emit_no_conflict_block.  Support large modes.
15211         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
15212         back to maximum.
15213         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
15214         negation to subtraction.
15215         (expand_copysign): Check that the format has signed zeros.
15216         Use operand_subword and emit_no_conflict_block.  Support large modes.
15217
15218 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
15219
15220         Fix PR tree-optimization/19624
15221
15222         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
15223         * tree-ssa-pre.c: Add cfgloop.h.
15224         Update comment.
15225         (pre_stats): New member, constified.
15226         (inserted_exprs): New static variable.
15227         (NECESSARY): New macro.
15228         (create_expression_by_pieces): Fold the expression, and
15229         mark it as defaulting to not necessary. Also put in
15230         inserted_exprs.
15231         (fully_constant_expression): New function.
15232         (insert_into_preds_of_block): Modify to not insert phis when we
15233         are playing with induction variables.
15234         Push phis onto the inserted_exprs vector, and mark them as not
15235         necessary by default.
15236         (insert_aux): Call fully_constant_expression on eprime.
15237         If all edges produce the same value, mark it constant.
15238         (mark_operand_necessary): New function.
15239         (remove_dead_inserted_code): New function.
15240         (init_pre): Init loop optimizer to get loop info.
15241         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
15242         (execute_pre): Commit edge inserts, then remove dead code.
15243
15244 2005-01-30  Richard Henderson  <rth@redhat.com>
15245
15246         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
15247         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
15248
15249 2005-01-30  Richard Henderson  <rth@redhat.com>
15250
15251         PR target/19700
15252         * config/i386/i386.c (ix86_expand_copysign): New.
15253         (ix86_split_copysign_const): New.
15254         (ix86_split_copysign_var): Rename from ix86_split_copysign,
15255         rearrange op1/nmask operands.
15256         * config/i386/i386-protos.h: Update.
15257         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
15258         (copysigndf3): Likewise.
15259         (copysignsf3_const, copysigndf3_const): New.
15260         (copysignsf3_var): Rename from copysignsf3, split out splitter
15261         and fix split predicate for X constraint.
15262         (copysigndf3_var): Similarly.
15263
15264 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
15265
15266         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
15267         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
15268         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
15269
15270 2005-01-29  Richard Henderson  <rth@redhat.com>
15271
15272         PR target/19690
15273         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
15274         of # and * in constraints.
15275
15276 2005-01-29  Richard Henderson  <rth@redhat.com>
15277
15278         PR middle-end/19689
15279         * expr.c (store_field): Don't strip sub-mode cast when the input
15280         data is even smaller.
15281
15282 2005-01-29  Richard Henderson  <rth@redhat.com>
15283
15284         PR middle-end/19687
15285         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
15286         union being empty.
15287
15288 2005-01-29  Richard Henderson  <rth@redhat.com>
15289
15290         * combine.c (make_field_assignment): Fix argument order
15291         to gen_int_mode.
15292
15293 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
15294
15295         PR tree-optimization/15791
15296         * fold-const.c (extract_array_ref): New function.
15297         (fold): Fold comparisons between &a[i] and &a[j] or
15298         semantically equivalent trees.
15299
15300 2005-01-29  Jeff Law  <law@redhat.com>
15301
15302         * gcse.c (insert_expr_in_table): Revamp handling of available
15303         and anticipatable occurrence lists to avoid unnecessary list
15304         walking.
15305         (insert_set_in_table): Similarly.
15306
15307 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
15308
15309         * c-common.c (fix_string_type): Just use c_build_qualified_type to
15310         build string type.
15311         (c_build_qualified_type): Build qualified array types with
15312         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
15313         * c-decl.c (c_make_fname_decl): Build unqualified array type
15314         before qualified type.
15315         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
15316         type is qualified, not just if type itself is.  Don't apply
15317         qualifiers to array type when declarator is processed.  Apply
15318         qualifiers to field type whether or not it is an array type.
15319         Don't handle array types specially for applying qualifiers to
15320         variables.
15321         * c-typeck.c (composite_type): Build unqualified element type and
15322         array type when forming composite of array types.
15323         (common_pointer_type, comptypes, comp_target_types,
15324         type_lists_compatible_p, build_indirect_ref, build_array_ref,
15325         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
15326         types.
15327         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
15328         (args2) in variables a1 and a2.
15329
15330 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
15331
15332         * cse.c (n_elements_made, max_elements_made): Remove.
15333         (insert): Don't touch n_elements_made.
15334         (cse_main): Don't touch n_elements_made or max_elements_made.
15335
15336 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
15337
15338         PR target/15384
15339         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
15340         configuration part of dp-bit.c to be lost.
15341
15342 2005-01-28  Roger Sayle  <roger@eyesopen.com>
15343
15344         * expmed.c (expand_mult_highpart_optab): When attempting to use
15345         a non-widening multiplication in a wider mode, the operands need
15346         to be converted (zero or sign extended) to that mode.
15347
15348 2005-01-28  Ian Lance Taylor  <ian@airs.com>
15349
15350         PR middle-end/16558
15351         PR middle-end/19583
15352         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
15353         through if both operands fall through.
15354
15355 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
15356
15357         * cse.c (fold_rtx) <PC>: Don't optimize.
15358
15359 2005-01-28  Jeff Law  <law@redhat.com>
15360
15361         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
15362         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
15363
15364 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
15365
15366         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
15367         cse_reg_info_used_list_end): Remove.
15368         (cse_reg_info_list, cse_reg_info_list_free): New.
15369         (get_cse_reg_info): When allocating an instance of
15370         cse_reg_info, add it to the beginning of the cse_reg_info_list
15371         list.  Remove code to maintain cse_reg_info_used_list.
15372         (new_basic_block): Reset the free list to the beginning of
15373         cse_reg_info_list.
15374
15375 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
15376
15377         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
15378         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
15379         (frv_expand_mdpackh_builtin): New function.
15380         (frv_expand_builtin): Use it to expand __MDPACKH.
15381         * doc/extend.texi (__MDPACKH): Update documentation.
15382
15383 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
15384
15385         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
15386         SSE_FLOAT_MODE_P for use_sse computation.
15387
15388 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
15389
15390         PR target/19663
15391         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
15392
15393 2005-01-27  Richard Henderson  <rth@redhat.com>
15394
15395         * builtins.c (expand_builtin_copysign): New.
15396         (expand_builtin): Call it.
15397         * genopinit.c (optabs): Add copysign_optab.
15398         * optabs.c (init_optabs): Initialize it.
15399         (expand_copysign): New.
15400         * optabs.h (OTI_copysign, copysign_optab): New.
15401         (expand_copysign): Declare.
15402
15403         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
15404         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
15405
15406         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
15407         (ix86_expand_fp_absneg_operator): ... here.
15408         (ix86_split_copysign): New.
15409         * config/i386/i386-protos.h: Update.
15410         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
15411         (copysignsf3, copysigndf3): New.
15412
15413         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
15414         (copysignsf3, ncopysignsf3): New.
15415         (copysigndf3, ncopysigndf3): New.
15416         (copysignxf3, ncopysignxf3): New.
15417         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
15418
15419 2005-01-27  Arend Bayer  <arend.bayer@web.de>
15420             Kazu Hirata  <kazu@cs.umass.edu>
15421
15422         * cse.c: (find_best_addr): Don't call copy_rtx before calling
15423         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
15424         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
15425         NULL_RTX.
15426
15427 2005-01-27  Jeff Law  <law@redhat.com>
15428
15429         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
15430         definitions of SSA_NAMEs which are not being rewritten.
15431         (rewrite_ssa_into_ssa): Only initialize the current definition
15432         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
15433         If checking is enabled, assert that SSA_NAME_AUX is clear for all
15434         SSA_NAMEs before returning.
15435
15436 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
15437
15438         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
15439         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
15440         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
15441         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
15442         config/mips/iris6.h, config/sh/sh.c: Update copyright.
15443
15444 2005-01-27  Steven Bosscher  <stevenb@suse.de>
15445
15446         PR middle-end/17278
15447         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
15448         higher to -O2 and higher.  Likewise for tree PRE.
15449         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
15450         and better.
15451
15452 2005-01-27  Ian Lance Taylor  <ian@airs.com>
15453
15454         PR middle-end/19583
15455         * gimple-low.c (try_catch_may_fallthru): New static function.
15456         (block_may_fallthru): Handle TRY_CATCH_EXPR.
15457         * tree-inline.c (expand_call_inline): Don't warn about reaching
15458         the end of a non-void function being inlined if the function uses
15459         a return slot.
15460
15461 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
15462
15463         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
15464
15465         PR c/18946
15466         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
15467         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
15468         (implicitly_declare): Handle error_mark_node.
15469
15470 2005-01-27  Richard Henderson  <rth@redhat.com>
15471
15472         PR tree-opt/14329
15473         * tree.h (struct tree_decl): Add debug_expr_is_from.
15474         (DECL_DEBUG_EXPR_IS_FROM): New.
15475         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
15476         * dwarf2out.c (dwarf2out_var_location): Update to match.
15477         * tree-outof-ssa.c (create_temp): Likewise.
15478         * var-tracking.c (track_expr_p): Likewise.
15479         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
15480         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
15481         * toplev.c (default_tree_printer): Likewise.
15482
15483 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
15484
15485         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
15486         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
15487
15488 2005-01-27  Steven Bosscher  <stevenb@suse.de>
15489
15490         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
15491         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
15492         ASM_CLOBBERS): Add tree checks.
15493
15494         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
15495         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
15496         * c-common.def (SWITCH_STMT): Update to match.
15497         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
15498         macros instead of SWITCH_EXPR ones.
15499         * c-dump.c (c_dump_tree): Likewise.
15500         * c-gimplify.c (gimplify_switch_stmt): Likewise.
15501         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
15502
15503         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
15504
15505 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
15506
15507         * unwind-dw2.c (execute_stack_op): Add missing cases for
15508         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
15509
15510 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
15511
15512         * config.gcc (Obsolete configurations): Remove 'dummy', add
15513         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
15514         sparc-*-openbsd*.
15515
15516 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
15517
15518         PR tree-optimization/19633
15519         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
15520         CALL_EXPRs.
15521         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
15522         are no call-clobbered variables.
15523         * tree-outof-ssa.c (check_replaceable): Return false for calls
15524         with side-effects.
15525
15526 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
15527
15528         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
15529         even for variables with NULL DECL_INITIAL.
15530
15531 2005-01-26  Stuart Hastings  <stuart@apple.com>
15532
15533         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
15534
15535 2005-01-26  Richard Henderson  <rth@redhat.com>
15536
15537         PR middle-end/18008
15538         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
15539         field's type.
15540         * expr.c (store_field): Strip conversions to odd-bit-sized types
15541         if the destination field width matches.
15542
15543 2005-01-26  Richard Henderson  <rth@redhat.com>
15544
15545         * c-decl.c, expmed.c, expr.c: Revert last change.
15546
15547 2005-01-26  Richard Henderson  <rth@redhat.com>
15548
15549         PR middle-end/18008
15550         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
15551         field's type.
15552         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
15553         if we don't need the bits above those present in the current mode.
15554         * expr.c (store_field): Strip conversions to odd-bit-sized types
15555         if the destination field width matches.
15556
15557 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
15558
15559         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
15560         either -ffast-math or -funsafe-math-optimizations is in use.
15561
15562 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
15563
15564         PR target/19293
15565         PR target/19329
15566         * config/avr/avr.c (notice_update_cc): Only set condition code for
15567         ashrqi3 if shift count > 0.
15568         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
15569         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
15570         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
15571         count <= 0 as a no-op, and shift count >= width by copying zero
15572         or sign bit to all bits of the result.
15573         * config/avr/avr.md (all shifts): Add alternatives for zero shift
15574         count, with attribute "length" set to 0 and "cc" set to "none".
15575
15576 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
15577
15578         * doc/invoke.texi: Document -mTLS.
15579
15580         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
15581         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
15582         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
15583         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
15584         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
15585         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
15586         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
15587         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
15588
15589         * configure.ac: Check for a TLS capable gas.
15590
15591         * configure: Regenerate.
15592
15593 2005-01-26  Richard Henderson  <rth@redhat.com>
15594
15595         PR middle-end/18008
15596         * combine.c (make_field_assignment): Simplify store to zero_extract
15597         from a source with an overlapping mask.
15598
15599 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
15600
15601         2004-11-11  Eric Christopher  <echristo@redhat.com>
15602
15603         * config/frv/frv.md: Add fr400_integer automaton. Don't
15604         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
15605         to TYPE_MACC.
15606
15607 2005-01-26  Steven Bosscher  <stevenb@suse.de>
15608
15609         PR middle-end/16585
15610         * cfgbuild.c (make_edges): Do not clear or set
15611         current_function_has_computed_jump.
15612         * function.h (struct function): Remove the has_computed_jump field.
15613         (current_function_has_computed_jump): Do not define.
15614         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
15615         in a computed jump.  Ignore current_function_has_computed_jump.
15616
15617 2005-01-26  Richard Henderson  <rth@redhat.com>
15618
15619         PR middle-end/19515
15620         * expr.c (categorize_ctor_elements): New argument p_must_clear.
15621         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
15622         fully initialized.
15623         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
15624         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
15625         objects into static storage if they have more than one non-zero value.
15626         * tree.h (categorize_ctor_elements): Update decl.
15627
15628 2005-01-26  Steven Bosscher  <stevenb@suse.de>
15629
15630         PR middle-end/19616
15631         * tree.h (CALL_EXPR_TAILCALL): Add comment.
15632         * calls.c (check_sibcall_argument_overlap_1): Revert the change
15633         to this function from 2004-07-10.
15634         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
15635         the current function for tail call optimizations if the address
15636         of one of it its arguments is taken.
15637
15638 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
15639
15640         * cse.c (fold_rtx): Call equiv_constant only when necessary.
15641
15642 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
15643
15644         * function.c (expand_function_end): If current_function_calls_alloca,
15645         emit stack restore in a place that is reached when the function falls
15646         through at the end.
15647
15648 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
15649
15650         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
15651         rule to avoid matching inappropriate suffix rule.
15652
15653 2005-01-26  Jan Hubicka  <jh@suse.cz>
15654
15655         PR tree-optimization/19241
15656         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
15657
15658 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
15659
15660         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
15661         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
15662         of doubling.
15663         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
15664         <sim*>: Always use crt1.o, regardless of N in simN.
15665         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
15666         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
15667         (CRT_CALL_STATIC_FUNCTION): Remove.
15668         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
15669         use crt1.o, regardless of N in simN.
15670         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
15671         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
15672         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
15673         case isystem setting.
15674         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
15675
15676 2005-01-25  Ian Lance Taylor  <ian@airs.com>
15677
15678         * gimple-low.c (block_may_fallthru): Correct handling of
15679         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
15680
15681 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
15682
15683         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
15684         handlers to match indentation; nested under the mtune=* handler.
15685         Similar for mcpu= and march=.
15686
15687 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
15688
15689         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
15690         * config/mips/linux64.h (LIB_SPEC): Likewise.
15691         * config/mn10300/linux.h (LIB_SPEC): Likewise.
15692         * config/sh/linux.h (LIB_SPEC): Likewise.
15693
15694 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
15695
15696         * config/frv/frv.c (frv_legitimize_tls_address): New.
15697         (TARGET_HAVE_TLS): Define.
15698         (FRV_SYMBOL_REF_TLS_P): Define.
15699         (frv_override_options): Handle new register classes.
15700         (frv_legitimate_address_p): Reject tls addresses.
15701         (frv_legitimize_address): Handle TLS addresses.
15702         (gen_inlined_tls_plt): New.
15703         (gen_tlsmoff): New.
15704         (frv_legitimize_tls_address): New.
15705         (unspec_got_name): Add TLS entries.
15706         (got12_operand): Add R_FRV_TLSMOFF12 case.
15707         (frv_emit_move): Fixup TLS addresses.
15708         (frv_emit_movsi): Legitimize TLS addresses.
15709
15710         * config/frv/frv.h (MASK_BIG_TLS): New.
15711         (TARGET_BIG_TLS): New.
15712         (HAVE_AS_TLS): Define.
15713         (TARGET_SWITCHES): Add -mTLS and -mtls options.
15714         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
15715         (REG_CLASS_NAMES): Same.
15716         (REG_CLASS_CONTENTS): Same.
15717         (CONSTRAINT_LEN): New.
15718         (REG_CLASS_FROM_CONSTRAINT): New.
15719         (PREDICATE_CODES): Add symbolic_operand.
15720
15721         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
15722         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
15723         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
15724         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
15725         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
15726         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
15727         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
15728         GR9_REG, GR14_REG, LRREG.
15729         (type): Add load_or_call attribute.
15730         ("load_or_call"): New reservation.
15731         ("call_gettlsoff"): New.
15732         ("tls_indirect_call"): New.
15733         ("tls_load_gottlsoff12"): New.
15734         ("tlsoff_hilo"): New.
15735         ("tls_tlsdesc_ldd"): New.
15736         ("tls_tlsoff_ld"): New.
15737         ("tls_lddi"): New.
15738
15739         * config/frv/frv-protos.h (symbolic_operand): Protoize.
15740
15741         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
15742
15743         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
15744         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
15745         * config/frv/frv.c (TLS_BIAS): Define.
15746         (frv_output_dwarf_dtprel): New.
15747
15748 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
15749
15750         PR rtl-optimization/19579
15751         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
15752         both A and B, see if they don't clobber registers the other expr uses.
15753
15754 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
15755
15756         * real.c (do_add): Initialize signalling and canonical members.
15757
15758         * real.c (real_from_integer): Zero out destination.
15759
15760 2005-01-18  Jan Hubicka  <jh@suse.cz>
15761
15762         PR tree-optimize/19337
15763         * tree-inline.c (initialize_inlined_parameters): Copy
15764         saved_static_chain_decl only.
15765
15766 2005-01-25  Richard Henderson  <rth@redhat.com>
15767
15768         PR target/19556
15769         PR target/19584
15770         * config/i386/i386.c (x86_inter_unit_moves): Zero.
15771         (ix86_preferred_reload_class): Rewrite fp-constant section, with
15772         80387 enabled, to return a proper subclass.  Return the subset that
15773         overlaps with GENERAL_REGS for PLUS.
15774         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
15775
15776 2005-01-25  Richard Henderson  <rth@redhat.com>
15777
15778         PR middle-end/19609
15779         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
15780
15781 2005-01-25  Roger Sayle  <roger@eyesopen.com>
15782
15783         * expmed.c (choose_multiplier): Change interface to return the
15784         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
15785         (expand_divmod): Update calls to choose_multiplier.
15786
15787 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15788
15789         PR middle-end/19330
15790         * expmed.c (extract_bit_field): Use adjust_address instead of
15791         gen_lowpart when op0 is a MEM.
15792
15793 2005-01-24  Steven Bosscher  <stevenb@suse.de>
15794
15795         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
15796
15797 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
15798
15799         * config/mips/irix-csr.c: New file.
15800         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
15801         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
15802         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
15803         executables.
15804
15805 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
15806
15807         PR bootstrap/19364
15808         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
15809         sparc/elf.h, add sparc/sp-elf.h.
15810         (sparc-*-rtems*): Likewise.
15811         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
15812         tm-dwarf2.h, add sparc/sp-elf.h.
15813         (sparc86x-*-elf): Likewise.
15814         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
15815         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
15816         TARGET_OS_CPP_BUILTINS.
15817         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
15818         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
15819         Undefine it.
15820         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
15821         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
15822         (SWITCH_TAKES_ARG): Likewise.
15823         (LOCAL_LABEL_PREFIX): Likewise.
15824         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
15825         (TARGET_N_FORMAT_TYPES): Delete.
15826         (TARGET_FORMAT_TYPES): Likewise.
15827         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
15828         * config/sparc/elf.h: Delete.
15829         * config/sparc/sp-elf.h: New file.
15830
15831 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
15832
15833         * tree-flow-inline.h (phi_arg_from_edge): Remove.
15834         * tree-flow.h: Remove the corresponding prototype.
15835         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
15836         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
15837
15838 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
15839
15840         PR target/17751
15841         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
15842         for AIX ABI or ELF -fPIC.
15843         (rs6000_emit_load_toc_table): Don't create toc_section here.
15844         (rs6000_xcoff_file_start): Nor here.
15845
15846 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
15847
15848         * sh.c (ra.h): Don't #include.
15849         (hard_regs_intersect_p): New function, resurrected from ra.c.
15850
15851         * sh.c: Fix 1996 Copyright.
15852
15853 2005-01-24  Richard Henderson  <rth@redhat.com>
15854             Aldy Hernandez  <aldyh@redhat.com>
15855
15856         * regrename.c (note_sets): Handle subregs.
15857
15858 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
15859
15860         PR bootstrap/18058
15861         * genconditions.c (write_header, write_conditions): Elide file if
15862         not GCC >= 3.0.1.
15863
15864 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
15865
15866         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
15867         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
15868         Update copyright.
15869
15870 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
15871
15872         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
15873         expand_builtin_printf, expand_builtin_fprintf,
15874         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
15875         checking against POINTER_TYPE.
15876         (validate_arglist): Handle POINTER_TYPE code by checking
15877         POINTER_TYPE_P.
15878
15879 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
15880
15881         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
15882         init_rtlanal): New.
15883         (for_each_rtx): Call for_each_rtx_1.
15884         * rtl.h (init_rtlanal): Declare.
15885         * toplev.c (backend_init): Call init_rtlanal.
15886
15887 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
15888
15889         * flow.c (propagate_one_insn): Formatting.
15890
15891         PR middle-end/19551
15892         * flow.c (libcall_dead_p): Be more conservative if unsure.
15893         If there are any instructions between insn and call, see if they are
15894         all dead before saying the libcall is dead.
15895
15896 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
15897
15898         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
15899         operand constraint for operand 0.
15900
15901 2005-01-23  Richard Henderson  <rth@redhat.com>
15902
15903         PR 19486
15904         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
15905         edges leading to join block.
15906
15907 2005-01-23  Roger Sayle  <roger@eyesopen.com>
15908
15909         * expmed.c (expand_mult_highpart): Make static.  Change type of
15910         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
15911         (expand_divmod): Updates calls to expand_mult_highpart by using
15912         gen_int_mode to pass a CONST_INT rtx.
15913         * rtl.h (expand_mult_highpart): Remove prototype.
15914
15915 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
15916
15917         * flow.c (regset_bytes, regset_size): Remove.
15918
15919         * cfganal.c: Fix a reference to Harvey's paper.
15920
15921 2005-01-23  Steven Bosscher  <stevenb@suse.de>
15922
15923         PR rtl-optimization/19464
15924         * tree-optimize.c (init_tree_optimization_passes): Add one more
15925         copyrename pass just before out-of-ssa.
15926
15927 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
15928
15929         PR bootstrap/18058
15930         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
15931         * ggc-none.c (ggc_free): Define.
15932
15933 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
15934
15935         * cse.c (max_reg, max_insn_uid): Remove.
15936         (cse_main): Don't access max_reg or max_insn_uid.
15937
15938         * c-common.c (explicit_flag_signed_bitfields,
15939         lang_statement_code_p, lang_expand_function_end): Remove.
15940         * c-common.h: Remove the corresponding declarations.
15941         * c-opts.c (c_common_handle_option): Remove all write access
15942         to explicit_flag_signed_bitfields.
15943
15944         * cgraph.c (cgraph_varpool_n_nodes): Remove.
15945         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
15946         * cgraph.h: Remove the corresponding declaration.
15947
15948         * gcse.c (null_pointer_info): Remove.
15949
15950 2005-01-23  Roger Sayle  <roger@eyesopen.com>
15951             Eric Botcazou  <ebotcazou@libertysurf.fr>
15952
15953         * combine.c (simplify_logical): Only simplify logical expressions
15954         of the form ior(and(x,y),z) by the inverse distributive law if the
15955         result is cheaper than the original.
15956
15957 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
15958
15959         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
15960         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
15961         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
15962         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
15963         config/freebsd-spec.h, config/arm/arm.h,
15964         config/h8300/h8300.md, config/i386/i386.md,
15965         config/i386/predicates.md, config/i386/sse.md,
15966         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
15967         config/vax/vax.md: Fix comment typos.  Follow spelling
15968         conventions.
15969
15970 2005-01-23  Steven Bosscher  <stevenb@suse.de>
15971
15972         * gengtype.c (walk_type): Produce `not equal to' compares for loop
15973         tests, instead of `less than'.
15974
15975 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
15976
15977         * function.c (assign_parm_setup_block): When creating a new stack slot
15978         for a parameter, get its alignment from the parameter's DECL_ALIGN
15979         rather than the type's TYPE_ALIGN.  Make sure that the parameter
15980         is at least word aligned.
15981
15982 2005-01-22  Roger Sayle  <roger@eyesopen.com>
15983
15984         PR middle-end/19378
15985         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
15986
15987 2005-01-22  Richard Henderson  <rth@redhat.com>
15988
15989         PR target/19506
15990         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
15991         in both compare operands.
15992         (movdfcc_1_sse_max): Likewise.
15993         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
15994         (movdfcc_1_sse): Likewise.
15995         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
15996         scratch register as needed.
15997
15998 2005-01-22  Richard Henderson  <rth@redhat.com>
15999
16000         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
16001
16002         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
16003
16004 2005-01-22  Richard Henderson  <rth@redhat.com>
16005
16006         * genopinit.c (optabs): Use smin/smax for floating point too.
16007         * doc/md.texi: Update to match.  Clarify that floating point
16008         results are undefined for +0/-0 and NaN.
16009         * doc/rtl.texi: Likewise.
16010         * rtl.def (SMIN, SMAX): Likewise
16011         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
16012
16013         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
16014         leading 's' to the name.
16015         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
16016         smaxxf3, sminxf3): Likewise.
16017         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
16018         Likewise.
16019
16020 2005-01-22  Paul Brook  <paul@codesourcery.com>
16021
16022         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
16023
16024 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
16025
16026         * config/s390/s390.c (struct processor_costs): New fields
16027         dlgr, dlr, dr, dsgfr, dsgr.
16028         (z900_cost, z990_cost): Values for new fields.
16029         (s390_rtx_costs): New cases MEM und COMPARE in switch
16030         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
16031         DIV, MOD, UDIV, UMOD.
16032
16033 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
16034
16035         * config/s390/s390.md ("doloop_si64"): Reload input value directly
16036         into the register being decremented.
16037         ("doloop_si31", "doloop_di"): Likewise.
16038         ("*doloop_si_long"): Adapt pattern.
16039
16040 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
16041
16042         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
16043         access registers.
16044         (CLASS_MAX_NREGS): Likewise.
16045
16046 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
16047
16048         * doc/tree-ssa.texi (Statement Operands): Add example for new
16049         must-def macro. Note deprecation of old operands interface.
16050
16051 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
16052
16053         PR tree-optimization/19484
16054         * tree-cfg.c (remove_fallthru_edge): New function.
16055         (cleanup_control_flow): Remove fallthru edges from calls that are
16056         now known not to return.
16057
16058 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
16059
16060         Fix PR tree-optimization/19038
16061         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
16062         copies with loop variant ones.
16063
16064 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
16065
16066         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
16067         config/alpha/alpha-protos.h, config/alpha/alpha.h,
16068         config/alpha/alpha.md, config/alpha/predicates.md,
16069         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
16070         config/sparc/sol2.h: Update copyright.
16071
16072         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
16073         first label to see if it is a nonlocal label.
16074
16075 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
16076             Andrew Pinski  <pinskia@physics.uc.edu>
16077
16078         PR target/19491
16079         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
16080         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
16081
16082 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
16083
16084         * config/rs6000/rtems.h: Update copyright.
16085
16086 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
16087
16088         PR target/19548
16089         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
16090         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
16091         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
16092
16093 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
16094
16095         PR c/18809
16096         * c-typeck.c (convert_arguments): Check for error_mark_node.
16097
16098 2005-01-21  Ian Lance Taylor  <ian@airs.com>
16099
16100         PR tree-optimization/13000
16101         * tree-inline.c: Include "tree-flow.h".
16102         (expand_call_inline): If warn_return_type, warn if non-void inline
16103         function falls through.
16104         * tree-cfg.c (execute_warn_function_return): Don't warn about
16105         control reaching end if TREE_NO_WARNING is set.  Set
16106         TREE_NO_WARNING.
16107         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
16108         has been lowered.
16109         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
16110         branch if we don't need one.
16111         * c-typeck.c: Include "tree-flow.h"
16112         (c_finish_bc_stmt): Don't add a goto if the current statement
16113         list doesn't fall through to the current point.
16114
16115 2005-01-21  Roger Sayle  <roger@eyesopen.com>
16116
16117         PR rtl-optimization/576
16118         * real.c (real_arithmetic): Change return type from void to bool
16119         to return an indication that the result may be inexact.
16120         * real.h (real_arithmeric): Update prototype.
16121         * fold-const.c (const_binop):  Don't constant fold floating
16122         point expressions when the user specifies -frounding-math and
16123         the result may depend upon the run-time rounding mode.
16124         (fold_convert_const_real_from_real): Clean-up.
16125         (fold_initializer): Ignore flag_rounding_math for initializers.
16126         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
16127         constant fold FP operations with flag_rounding_math if the
16128         result may depend upon the run-time rounding mode.
16129
16130 2005-01-21  Tom Tromey  <tromey@redhat.com>
16131
16132         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
16133
16134 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
16135
16136         * tree-cfg.c: Fix comment typos.
16137
16138 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
16139
16140         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
16141         around the call to rest_of_handle_branch_target_load_optimize.
16142
16143 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
16144
16145         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
16146         (sparc64-*-openbsd*): Likewise.
16147         (sparclite-*-elf*): Include tm-dwarf2.h.
16148         (sparc86x-*-elf*): Likewise.
16149         (sparc64-*-elf*): Likewise.
16150         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
16151         (DBX_DEBUGGING_INFO): Likewise.
16152         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
16153         (PREFERRED_DEBUGGING_TYPE): Likewise.
16154         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
16155         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
16156         (PREFERRED_DEBUGGING_TYPE): Likewise.
16157         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
16158         (PREFERRED_DEBUGGING_TYPE): Likewise.
16159         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
16160
16161 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
16162
16163         PR target/18701
16164         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
16165
16166 2005-01-20  Paul Brook  <paul@codesourcery.com>
16167
16168         * doc/rtl.texi: Document value extension requirements for CONST_INT.
16169
16170 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
16171
16172         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
16173         label is first in a sequence of labels.
16174
16175         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
16176
16177 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
16178             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
16179
16180         * doc/sourcebuild.texi (Test Directives): New.
16181
16182 2005-01-20  Roger Sayle  <roger@eyesopen.com>
16183
16184         * real.c (real_floor): Don't leave the result uninitialized when
16185         mode is VOIDMode, but return the unrounded intermediate value.
16186         (real_ceil): Likewise.
16187
16188 2005-01-20  Paul Brook  <paul@codesourcery.com>
16189
16190         * config/arm/arm.md (insv): Use gen_int_mode.
16191
16192 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
16193
16194         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
16195         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
16196         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
16197         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
16198         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
16199
16200 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
16201
16202         Fix PR debug/19124
16203         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
16204         fbreg, so we have to assume we can't.
16205         (loc_descriptor_from_tree_1): Ditto.
16206         (containing_function_has_frame_base): New function.
16207         (add_location_or_const_value_attribute): Use it.
16208         Also try to generate a frame_base from a single element location
16209         list.
16210
16211 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
16212
16213         PR tree-optimization/15349
16214         * timevar.def (TV_TREE_MERGE_PHI): New.
16215         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
16216         PHI_WANTED.
16217         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
16218         calls to tree_forwarder_block_p.
16219         (remove_forwarder_block_with_phi, merge_phi_nodes,
16220         gate_merge_phi, pass_merge_phi): New.
16221         * tree-optimize.c (init_tree_optimization_passes): Add
16222         pass_merge_phi.
16223         * tree-pass.h: Add an extern for pass_merge_phi;
16224
16225 2005-01-20  Richard Henderson  <rth@redhat.com>
16226
16227         PR target/19418
16228         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
16229         (_mm_castps_pd, _mm_castps_si128): New.
16230         (_mm_castsi128_ps, _mm_castsi128_pd): New.
16231
16232 2005-01-20  Richard Henderson  <rth@redhat.com>
16233
16234         PR target/19530
16235         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
16236         __builtin_ia32_vec_init_v2si.
16237         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
16238         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
16239         (ix86_init_mmx_sse_builtins): Create it.
16240         (ix86_expand_builtin): Expand it.
16241         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
16242         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
16243         (vec_extractv2si_0, vec_extractv2si_1): New.
16244
16245 2005-01-20  Richard Henderson  <rth@redhat.com>
16246
16247         PR target/16533
16248         * config/i386/i386.c (ix86_expand_push): New.
16249         * config/i386/mmx.md (push<MMXMODE>1): New.
16250         * config/i386/sse.md (push<SSEMODE>1): New.
16251         * config/i386/i386-protos.h: Update.
16252
16253 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
16254
16255         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
16256         copyright.
16257
16258 2005-01-20  Richard Henderson  <rth@redhat.com>
16259
16260         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
16261         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
16262
16263 2005-01-19  Richard Henderson  <rth@redhat.com>
16264
16265         PR target/19350
16266         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
16267         to V4SFmode in SSE1 fallback load path.
16268
16269 2005-01-19  Richard Henderson  <rth@redhat.com>
16270
16271         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
16272         in QImode expansion to ix86_expand_vector_set.
16273         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
16274
16275 2005-01-19  Richard Henderson  <rth@redhat.com>
16276
16277         PR target/19511
16278         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
16279         subclass of the input class.
16280         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
16281         Always true for cross-SSE1 classes.  Rationalize conditionals.
16282         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
16283         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
16284         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
16285         (movdi_2): Add MMX/SSE zeros.
16286         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
16287         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
16288         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
16289         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
16290         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
16291         (zero_extendsidi2_rex64_1): Remove.
16292         (MOV0 peephole): Check GENERAL_REG_P.
16293
16294 2005-01-19  Richard Henderson  <rth@redhat.com>
16295
16296         PR target/19427
16297         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
16298         shufps elements.
16299         (ix86_expand_vector_extract): Likewise.
16300
16301 2005-01-19  Richard Henderson  <rth@redhat.com>
16302
16303         PR middle-end/19304
16304         * expr.c (emit_move_change_mode): New argument force; use
16305         simplify_gen_subreg if true.
16306         (emit_move_via_alt_mode): Merge into ...
16307         (emit_move_via_integer): ... here.
16308         (emit_move_ccmode): Use emit_move_change_mode directly.
16309
16310 2005-01-19  Richard Henderson  <rth@redhat.com>
16311
16312         PR target/19518
16313         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
16314         (alpha_preferred_reload_class): Handle CONST_VECTOR.
16315         (alpha_emit_set_const_1): Add no_output parameter; don't emit
16316         rtl if true.
16317         (alpha_emit_set_const): Likewise.  Make static.
16318         (alpha_emit_set_long_const): Make static.
16319         (alpha_extract_integer): Split out from alpha_expand_mov.
16320         (alpha_split_const_mov): Likewise.
16321         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
16322         (alpha_legitimate_constant_p): New.
16323         * config/alpha/alpha-protos.h: Update.
16324         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
16325         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
16326         * config/alpha/alpha.md (movsi): Add n alternative.
16327         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
16328         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
16329         (splitters for all of the above): Use alpha_split_const_mov.
16330         * config/alpha/predicates.md (non_add_const_operand): New.
16331         (non_zero_const_operand): New.
16332         (input_operand): Use alpha_legitimate_constant_p after reload.
16333
16334 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
16335
16336         PR tree-optimization/19038
16337         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
16338         (add_candidate): Add ivs with increment in latch only if
16339         allow_ip_end_pos_p is true.
16340         (determine_iv_cost): Use empty_block_p.
16341
16342 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
16343
16344         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
16345         (compute_dominance_frontiers): Ditto.
16346
16347 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
16348
16349         PR target/19529
16350         * config/sh/t-rtems: New.
16351         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
16352
16353 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
16354
16355         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
16356         the offset of the selected field.
16357
16358 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
16359
16360         * tree-cfg.c (remove_forwarder_block): Fix the check to
16361         prevent a nonlocal label from appearing in the middle of a
16362         basic block.
16363
16364 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
16365
16366         PR rtl-optimization/19462
16367         * reorg.c (find_end_label): Create return insn only if
16368         current_function_epilogue_delay_list is empty.
16369
16370 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
16371
16372         * doc/passes.texi: Remove paragraph mentioning new-ra.
16373
16374 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
16375
16376         PR rtl-optimization/15139
16377         * combine.c: Include params.h.
16378         (count_rtxs): New function.
16379         (record_value_for_reg): If replace_rtx would replace at least
16380         2 occurrences of REG in VALUE and TEM is really large, replace REG with
16381         (clobber (const_int 0)) instead of TEM.
16382         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
16383         * params.h (MAX_LAST_VALUE_RTL): New.
16384         * Makefile.in (combine.o): Depend on $(PARAMS_H).
16385         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
16386
16387         PR c/17297
16388         * c-typeck.c (digest_init): Only call build_vector if all constructor
16389         elements are *_CST nodes.
16390         * gimplify.c (gimplify_init_constructor): Likewise.
16391
16392         PR middle-end/19164
16393         * c-typeck.c (digest_init): Only call build_vector if inside_init
16394         is a CONSTRUCTOR.
16395
16396 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
16397
16398         * toplev.c (init_asm_output): Remove dead #ifdef.
16399
16400 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
16401
16402         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
16403
16404 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
16405
16406         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
16407         accessing DECL_FUNCTION_CODE.
16408         * dojump.c (do_jump): Likewise.
16409         * gimplify.c (gimplify_call_expr): Likewise.
16410         * predict.c (expr_expected_value): Likewise.
16411         (strip_builtin_expect): Likewise.
16412         * tree-inline.c (estimate_num_insns_1): Likewise.
16413         * tree-ssa-loop-im.c (stmt_cost): Likewise
16414         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
16415         (tree_expr_nonnegative_p): Likewise.
16416
16417 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
16418
16419         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
16420         variant of the load_pcrel_sym pattern.
16421         * config/sparc/sparc.md (P macro): Move to the top.
16422         (load_pcrel_sym): Macroize using P.
16423         (save_register_window): Likewise.
16424
16425 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
16426
16427         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
16428         ("sordered"): Same.
16429
16430 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
16431
16432         PR C/19472
16433         * c-typeck.c (build_asm_expr): Strip nops off
16434         input memory operands.
16435
16436 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
16437
16438         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
16439         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
16440         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
16441         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
16442
16443 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
16444
16445         PR target/19379
16446         * config/i386/i386.c (override_options): If the 80387 is disabled,
16447         then do not return FP values using FP registers.
16448
16449 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
16450
16451         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
16452         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
16453         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
16454         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
16455         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
16456         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
16457         output.h, postreload-gcse.c, postreload.c, recog.c,
16458         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
16459         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
16460         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
16461         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
16462         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
16463         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
16464         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
16465         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
16466
16467         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
16468         config/alpha/alpha.c, config/arm/vfp.md,
16469         config/i386/emmintrin.h, config/i386/i386-modes.def,
16470         config/i386/i386-protos.h, config/i386/i386.h,
16471         config/i386/pmmintrin.h, config/i386/ppro.md,
16472         config/i386/predicates.md, config/i386/xmmintrin.h,
16473         config/i860/i860.c, config/ia64/ia64-modes.def,
16474         config/ia64/ia64-protos.h, config/ia64/ia64.h,
16475         config/ia64/ia64.md, config/ia64/itanium1.md,
16476         config/ia64/itanium2.md, config/ia64/predicates.md,
16477         config/iq2000/iq2000.h, config/mips/linux64.h,
16478         config/rs6000/aix41.h, config/rs6000/aix43.h,
16479         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
16480         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
16481         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
16482         config/sparc/linux64.h, config/sparc/litecoff.h,
16483         config/sparc/sp64-elf.h, config/sparc/sparc.c,
16484         config/sparc/sparc.h, config/sparc/sparc.md,
16485         config/sparc/sysv4-only.h: Update copyright.
16486
16487 2005-01-18  Richard Henderson  <rth@redhat.com>
16488
16489         PR target/19496
16490         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
16491
16492 2005-01-18  Marc Espie  <espie@openbsd.org>
16493         * config/i386/openbsdelf.h: Typo.
16494
16495 2005-01-18  Richard Henderson  <rth@redhat.com>
16496
16497         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
16498         special case for sse.
16499         * config/i386/predicates.md (sse_comparison_operator): Likewise.
16500
16501 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
16502
16503         * tree-inline.c (estimate_num_insns_1): Added cases for
16504         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
16505
16506 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
16507
16508         PR rtl-optimization/19296
16509         * combine.c (simplify_comparison): Rewrite the condition under
16510         which a non-paradoxical SUBREG of a PLUS can be lifted when
16511         compared against a constant.
16512
16513 2005-01-18  Andi Kleen <ak@muc.de>
16514
16515         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
16516         * c.opt (-Wpointer-sign): Add.
16517         * doc/invoke.texi: (-Wpointer-sign): Add.
16518
16519 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
16520
16521         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
16522         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
16523         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
16524         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
16525         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
16526         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
16527         for TARGET_MIX_SSE_I387.
16528         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
16529         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
16530         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
16531         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
16532         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
16533         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
16534         TARGET_MIX_SSE_I387.
16535         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
16536         from expander.
16537
16538 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
16539
16540         PR target/19424
16541         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
16542         Add movaps alternative for xmm reg->reg move.
16543
16544 2005-01-17  Jeff Law  <law@redhat.com>
16545
16546         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
16547         at the end of the main DOM loop rather than just before DOM exits.
16548
16549 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
16550
16551         PR tree-optimization/19121
16552         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
16553         adding aliases to a name tag, also add them to the pointer's
16554         type tag.
16555         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
16556         sensitive alias info at all.  Only check that the two pointers
16557         have compatible pointed-to sets.
16558         * tree-ssa.c (verify_name_tags): Verify that the alias set of
16559         a pointer's type tag is a superset of the alias set of the
16560         pointer's name tag.
16561
16562 2005-01-17  James E Wilson  <wilson@specifixinc.com>
16563
16564         PR target/19357
16565         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
16566         comment to document why.
16567
16568 2005-01-17  Richard Henderson  <rth@redhat.com>
16569
16570         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
16571         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
16572         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
16573         sse2_vmsminv2df3_finite): New.
16574         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
16575         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
16576         Force op1 into register.
16577
16578 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
16579
16580         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
16581         bubblestrap from always rebuilding build directory.
16582
16583 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
16584
16585         * config/s390/s390.md ("*clc"): Remove incorrect '='.
16586         ("*cmpmem_short"): Likewise.
16587
16588 2005-01-17  Steven Bosscher  <stevenb@suse.de>
16589
16590         * basic-block.h: Document BB_* flags.
16591         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
16592         use an sbitmap instead.
16593         * sched-rgn.c (compute_trg_info): Likewise.
16594
16595 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
16596
16597         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
16598         redundant target_cpu_default and extra_parts lines.  Use the default
16599         "from-abi" ISA.
16600         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
16601         (SUBTARGET_EXTRA_SPECS): Delete.
16602         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
16603         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
16604         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
16605         and "n32" for -mabi=n32.
16606
16607 2005-01-17  Ian Lance Taylor  <ian@airs.com>
16608
16609         PR c/5675
16610         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
16611         fold constant variables into initial values.
16612
16613 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
16614
16615         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
16616
16617         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
16618         through the statements backward.
16619
16620 2005-01-17  Ian Lance Taylor  <ian@airs.com>
16621
16622         PR middle-end/13127:
16623         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
16624         a variable set to the return value of the inlined function.
16625
16626 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
16627
16628         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
16629         when modes are tieable.
16630
16631 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
16632
16633         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
16634         of pthread_create to find out if threads are enabled.
16635         * gthr-posix95.h (__gthread_active_p): Likewise.
16636
16637 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
16638
16639         * common.opt (-fnew-ra): Remove.
16640         * ra*.*: Remove.
16641         * toplev.h (flag_new_regalloc): Remove.
16642         * Makefile.in (ra*.*): Don't mention.
16643         * passes.c (rest_of_handle_new_regalloc): Remove.
16644         (rest_of_handle_combine, rest_of_compilation): Always consider
16645         flag_new_regalloc as false.
16646         * doc/invoke.texi: Don't document -fnew-ra.
16647
16648 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
16649
16650         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
16651         last parameter to reg_scan.
16652         * loop.c (loop_optimize): Likewise.
16653         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
16654         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
16655         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
16656         rest_of_handle_gcse, rest_of_handle_loop_optimize,
16657         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
16658         * regclass.c (reg_scan): Likewise, for the declaration.
16659         * rtl.h (reg_scan): Likewise, for the prototype.
16660
16661 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
16662
16663         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
16664         mark_dfs_back_edges.
16665
16666 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
16667
16668         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
16669         (compute_avail): Uses don't go in tmp_gen.
16670
16671 2005-01-16  Steven Bosscher  <stevenb@suse.de>
16672
16673         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
16674         loop to look for a free slot in a page entry.
16675
16676 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16677
16678         PR target/16304
16679         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
16680         * toplev.c (compile_file): Call process_pending_assemble_output_defs
16681         just before targetm.asm_out.file_end.
16682         * tree.h (process_pending_assemble_output_defs): Declare.
16683         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
16684         New functions.
16685         (assemble_alias): Defer generation of assembly code for defines when
16686         TARGET_DEFERRED_OUTPUT_DEFS is true.
16687         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
16688         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
16689         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
16690
16691 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16692
16693         PR target/19336
16694         * pa.c (pa_scalar_mode_supported_p): New function.
16695         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
16696         * pa.h (MIN_UNITS_PER_WORD): Add comment.
16697
16698         * pa-protos.h (prefetch_operand): Delete.
16699         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
16700         * pa.c (prefetch_operand): Delete.
16701         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
16702         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
16703         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
16704         and prefetch_nocc_operand.
16705         * pa.md (prefetch): Rework to avoid reload problems handling short
16706         displacements when a cache control completer needs to be provided.
16707         (prefetch_32, prefetch_64): Delete.
16708         (prefetch_cc, prefetch_nocc): New patterns.
16709
16710 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
16711
16712         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
16713
16714 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16715
16716         PR ada/19388
16717         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
16718         exceeds maximum alignment for global common data.
16719         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
16720         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
16721
16722 2004-01-15  Roger Sayle  <roger@eyesopen.com>
16723
16724         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
16725
16726 2004-01-15  Roger Sayle  <roger@eyesopen.com>
16727
16728         * harg-reg-set.h (reg_class_names): Prototype global array.
16729         * regclass.c (reg_class_names): Declare here and initialize to
16730         REG_CLASS_NAMES.
16731         (dump_regclass): Remove local declaration of reg_class_names.
16732         (regclass): Likewise.
16733         * cfg.c (dump_flow_info): Likewise.
16734         * ra-debug.c (reg_class_names): Likewise.
16735         * regrename.c (reg_class_names): Likewise.
16736         * reload.c (reg_class_names): Likewise.
16737         * reload1.c (spill_failure): Likewise.
16738         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
16739
16740 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
16741
16742         * config/s390/s390.md ("reload_outti"): Remove predicate for
16743         output operand.  Abort if operand is not a MEM.
16744         ("reload_outdi", "reload_outdf"): Likewise.
16745
16746 2005-01-15  Marc Espie  <espie@openbsd.org>
16747
16748         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
16749         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
16750         * config/openbsd.h:  Fix C++ includes for native configurations.
16751         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
16752         Add trampoline support.
16753         * config/i386/openbsdelf.h: New.
16754
16755 2005-01-15  Marc Espie  <espie@openbsd.org>
16756
16757         * collect2.c (main): Explicitly parse -dynamic-linker option.
16758
16759 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
16760
16761         PR tree-optimization/19060
16762         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
16763         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
16764         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
16765         and handle extract_range_from_cond returning false.
16766         * fold-const.c (fold): Optimize comparisons with min/max even for
16767         width > HOST_BITS_PER_WIDE_INT.
16768
16769 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
16770
16771         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
16772         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
16773         Remove little endian multilib variants.
16774         Add mips32 multilib variant.
16775
16776 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
16777
16778         * explow.c (copy_all_reg, stabilize): Remove.
16779         * expr.h: Remove the corresponding prototypes.
16780
16781         * rtlanal.c (regs_set_between_p): Remove.
16782         * rtl.h: Remove the corresponding prototype.
16783
16784 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
16785
16786         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
16787         to rs6000_nonimmediate_operand.
16788         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
16789         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
16790         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
16791         rs6000_nonimmediate_operand.
16792         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
16793         rs6000_nonimmediate_operand.
16794
16795 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
16796
16797         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
16798
16799 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
16800
16801         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
16802         on e500v2.
16803         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
16804         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
16805
16806         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
16807         (rs6k_nonimmediate_operand): New.
16808         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
16809         correctly.
16810         (legitimate_lo_sum_address_p): Same.
16811         (rs6000_legitimize_address): Same.
16812         (rs6000_legitimize_reload_address): Same.
16813         (rs6000_legitimate_address): Same.
16814         (spe_build_register_parallel): Pass DF and DC modes in a DI
16815         register.
16816
16817         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
16818         to rs6k_nonimmediate_operand.
16819
16820         * config/rs6000/spe.md ("*frob_df_di"): New.
16821         ("*frob_di_df"): New.
16822         ("*frob_di_df_2"): New.
16823         ("*mov_sidf_e500_subreg0"): New.
16824         ("*mov_sidf_e500_subreg4"): New.
16825         ("*movdf_e500_double"): Change predicate to
16826         rs6k_nonimmediate_operand.
16827
16828 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
16829
16830         * postreload.c (move2add_note_store): Only call
16831         trunc_int_for_mode on scalar integers.
16832
16833 2005-01-14  Steven Bosscher  <stevenb@suse.de>
16834
16835         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
16836         replace BB_VISITED uses.
16837         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
16838         (propagate_necessity): Check the bitmap instead of BB_VISITED.
16839         (tree_dce_done): Free visited_control_parents.
16840         (perform_tree_ssa_dce): Allocate and clear it.
16841         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
16842         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
16843         instead of BB_VISITED.
16844
16845 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
16846
16847         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
16848         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
16849         Remove unused prototypes.
16850
16851 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
16852
16853         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
16854         64-bit register usage.
16855         (spe_func_has_64bit_regs_p): Add FIXME note.
16856
16857 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
16858
16859         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
16860         flag_finite_math_only with flag_unsafe_math_optimizations.
16861
16862 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
16863
16864         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
16865         end-of-stack check.
16866         (__tpf_eh_return): Copy TPF private stack area from the module
16867         boundary stack frame.  Add check for when module addresses are
16868         equal, but no stub address is found.
16869
16870 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
16871
16872         PR target/7525
16873         * arm.h (struct machine_function): Add call_via field.
16874         (thumb_call_via_label): Declare.
16875         * arm.c (thumb_call_via_label): New variable.
16876         (thumb_call_reg_needed): New variable.
16877         (arm_output_function_epilogue): For Thumb code, output any per-function
16878         call-indirect trampolines.
16879         (thumb_call_via_reg): New function.
16880         (arm_file_end): New function.
16881         (TARGET_ASM_FILE_END): Call arm_file_end.
16882         (aof_file_end): Likewise.
16883         * arm-protos.h (thumb_call_via_reg): Declare.
16884         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
16885         thumb_call_via_reg in normal case.
16886
16887 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
16888
16889         PR middle-end/19084
16890         PR rtl-optimization/19348
16891         * recog.c (peephole2_optimize): Do global life update if some peephole
16892         decides it doesn't need at least one of its inputs and that change
16893         influences liveness at the start of the basic block.
16894
16895         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
16896         arguments instead of 1.
16897
16898 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
16899
16900         PR middle-end/18820
16901         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
16902         zero for nested functions needing a static chain or functions
16903         with a non-constant address.
16904
16905 2005-01-13  Roger Sayle  <roger@eyesopen.com>
16906
16907         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
16908         (and (sign_extend X) C) into (zero_extend (and X C)).
16909
16910 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
16911
16912         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
16913
16914 2005-01-13  Richard Henderson  <rth@redhat.com>
16915
16916         PR target/19009
16917         PR target/19250
16918         PR target/19252
16919         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
16920         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
16921         not just TARGET_SSE.
16922         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
16923         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
16924         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
16925         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
16926         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
16927         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
16928         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
16929         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
16930         (movdicc_c_rex64): Rename with '*'.
16931         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
16932         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
16933         (movsfcc_1_387): Rename from movsfcc_1.
16934         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
16935         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
16936         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
16937         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
16938         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
16939         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
16940         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
16941         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
16942         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
16943         sse_movdfcc_const0_4): Remove.
16944         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
16945         recognize min/max early.  Update for changed sse cmove patterns.
16946         (ix86_split_sse_movcc): New.
16947         * config/i386/i386-protos.h: Update.
16948
16949 2005-01-13  Steven Bosscher  <stevenb@suse.de>
16950
16951         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
16952         (fix_stmt_v_may_defs): Likewise.
16953
16954 2005-01-13  Richard Henderson  <rth@redhat.com>
16955
16956         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
16957         for converting the mask.
16958
16959 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
16960
16961         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
16962         definition to 600.
16963
16964 2005-01-13  Richard Henderson  <rth@redhat.com>
16965
16966         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
16967         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
16968         IX86_BUILTIN_MOVDQ2Q): Remove.
16969         (IX86_BUILTIN_VEC_EXT_V4SI): New.
16970         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
16971         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
16972         shuffling.
16973         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
16974         (sse2_pextrw): Fix immediate constraint.
16975         (sse2_loadq, sse2_loadq_rex64): Remove.
16976         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
16977         Use __builtin_ia32_vec_ext_<size>.
16978         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
16979
16980 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
16981
16982         * function.c (assign_parm_setup_block): Look inside original
16983         entry_parm when inspecting PARALLEL.
16984
16985 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
16986             Joel Sherrill  <joel@oarcorp.com>
16987
16988         PR target/19399
16989         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
16990         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
16991         rtems_gxx_recursive_mutex_init.
16992         (__gthread_recursive_mutex_lock): New function.
16993         (__gthread_recursive_mutex_trylock): Likewise.
16994         (__gthread_recursive_mutex_unlock): Likewise.
16995
16996 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
16997
16998         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
16999
17000 2005-01-13  Jan Beulich  <jbeulich@novell.com>
17001
17002         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
17003         (ashrti3_internal): Indicate output is early clobber. Generate result
17004         into output rather than first input. Use move for low word of output
17005         if shift count is exactly 64.
17006         (lshrti3_internal): Likewise.
17007
17008 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
17009
17010         PR target/18329
17011         PR target/18330
17012         * reload1.c (delete_output_reload): Don't delete an output reload
17013         if the pseudo lives longer than a single basic block.  Adjust and
17014         improve wording of comment.
17015
17016 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
17017
17018         PR target/19334
17019         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
17020         of TYPE_SIZE where we mean the number of bytes.
17021
17022 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
17023
17024         * function.c (assign_parm_setup_block): Relax condition on
17025         multi-register optimization.
17026
17027 2005-01-12  Nick Clifton  <nickc@redhat.com>
17028
17029         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
17030         an "in_delay_slot" attribute of "no" to prevent them being used in
17031         delay slots.  This is forbidden because they might generate
17032         exceptions.
17033
17034 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
17035
17036         PR target/19389
17037         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
17038         with r->Y and Y->r.
17039
17040 2005-01-12  Nick Clifton  <nickc@redhat.com>
17041
17042         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
17043         passed on to GAS) but do not define, as GAS no longer supports or
17044         needs the -m2000 option.
17045
17046 2005-01-11  Roger Sayle  <roger@eyesopen.com>
17047
17048         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
17049         type as args of unprototyped builtins aren't automatically promoted.
17050         (fold_builtin_abs): Likewise.
17051
17052 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
17053
17054         * Makefile.in: Set a `build-warn' variable.
17055
17056 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
17057
17058         PR tree-optimization/17949
17059         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
17060         (find_interesting_uses_address): Use it.
17061
17062 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
17063
17064         * regrename.c (kill_value): Handle subreg's that won't simplify.
17065
17066 2005-01-11  Richard Henderson  <rth@redhat.com>
17067
17068         PR target/13366
17069         * config/i386/i386.h (enum ix86_builtins): Move ...
17070         * config/i386/i386.c: ... here.
17071         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
17072         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
17073         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
17074         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
17075         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
17076         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
17077         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
17078         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
17079         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
17080         IX86_BUILTIN_LOADDDUP): Remove.
17081         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
17082         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
17083         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
17084         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
17085         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
17086         (ix86_init_builtins): Make static.
17087         (ix86_init_mmx_sse_builtins): Update for changed builtins.
17088         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
17089         if all the modes match.  Otherwise, fake it.
17090         (get_element_number, ix86_expand_vec_init_builtin,
17091         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
17092         (ix86_expand_builtin): Make static.  Update for changed builtins.
17093         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
17094         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
17095         (ix86_expand_vector_init_duplicate): New.
17096         (ix86_expand_vector_init_low_nonzero): New.
17097         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
17098         Split out from ix86_expand_vector_init; handle integer modes.
17099         (ix86_expand_vector_init): Use them.
17100         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
17101         * config/i386/i386-protos.h: Update.
17102         * config/i386/predicates.md (reg_or_0_operand): New.
17103         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
17104         (movv2sf_internal): Likewise.  And a splitter to match them all.
17105         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
17106         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
17107         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
17108         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
17109         (mmx_pinsrw): Fix operand ordering.
17110         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
17111         rather than sse_loadss expander.
17112         (movv2df splitter): Similarly.
17113         (sse_loadss, sse_loadlss): Remove.
17114         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
17115         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
17116         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
17117         (sse3_movddup): Rename with '*'.
17118         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
17119         (sse2_loadsd): Remove.
17120         (vec_dupv2df_sse3): Rename from sse3_loadddup.
17121         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
17122         (sse2_pinsrw): Fix argument ordering.
17123         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
17124         (sse2_stored): Remove 'r' destination.
17125         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
17126         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
17127         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
17128         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
17129         vec_extractv16qi, vec_initv16qi): New.
17130
17131         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
17132         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
17133         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
17134         constructor form.
17135         (_mm_load_pd, _mm_store_pd): Use plain dereference.
17136         (_mm_load_si128, _mm_store_si128): Likewise.
17137         (_mm_load1_pd): Use _mm_set1_pd.
17138         (_mm_load_sd): Use _mm_set_sd.
17139         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
17140         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
17141         (_mm_set_epi64): Use _mm_set_epi64x.
17142         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
17143         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
17144         _mm_setr_epi8): Use _mm_set_foo form.
17145         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
17146         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
17147         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
17148         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
17149         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
17150         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
17151         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
17152         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
17153         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
17154         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
17155         (_mm_movedup_pd): Use _mm_shuffle_pd.
17156         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
17157         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
17158         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
17159         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
17160         Use _mm_setzero_ps.
17161         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
17162         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
17163         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
17164         (_mm_store_ps): Use raw dereference.
17165         (_mm_store1_ps): Use _mm_storeu_ps.
17166         (_mm_storer_ps): Use _mm_store_ps.
17167         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
17168         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
17169
17170 2005-01-11  Stan Shebs  <shebs@apple.com>
17171
17172         * config/rs6000/rs6000.c (machopic_output_stub): Issue
17173         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
17174
17175 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
17176
17177         PR target/18761
17178         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
17179         Skip all DECLs except for FIELD_DECLs.
17180
17181 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
17182
17183         * config/s390/s390.c (override_options): Return error if
17184         -mbackchain, -mpacked-stack and -mhard-float are used together.
17185         (s390_va_start): Remove the backchain && packed-stack special case.
17186         (s390_gimplify_va_arg): Likewise.
17187         * doc/invoke.texi: Remove the ABI incompatibility note.
17188
17189 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
17190
17191         * config/s390/s390.c (struct s390_frame_layout): Remove
17192         save_backchain_p.
17193         (s390_frame_info, s390_emit_prologue): Replace occurrences of
17194         save_backchain_p with TARGET_BACKCHAIN.
17195
17196 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
17197
17198         PR target/18916
17199         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
17200         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
17201         * function.c (locate_and_pad_parm): Set new field.
17202         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
17203         Tweak where_pad test to include "none".  Always set mem align for
17204         stack_parm.
17205         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
17206         not sufficient for type.
17207         (assign_parm_setup_block): If stack_parm is zero on entry, always
17208         make a new stack local.  Block move old stack parm if necessary
17209         to new aligned stack local.
17210         (assign_parm_setup_stack): Use a block move to handle
17211         potentially misaligned entry_parm.
17212         (assign_parms_unsplit_complex): Specify required alignment when
17213         creating stack local.
17214         * calls.c (compute_argument_addresses): Override alignment of stack
17215         arg calculated from its type with the alignment given by
17216         FUNCTION_ARG_BOUNDARY.
17217         (store_one_arg): Likewise.
17218
17219 2005-01-11  Jan Beulich  <jbeulich@novell.com>
17220
17221         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
17222         Change respective itanium_class attribute to ialu.
17223         (shladdp4_internal): New.
17224         * config/ia64/predicates.md (shladd_log2_operand): New.
17225
17226 2005-01-11  Richard Henderson  <rth@redhat.com>
17227
17228         * expr.c (store_constructor): Use rtvec_alloc instead of
17229         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
17230
17231 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
17232
17233         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
17234
17235 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
17236
17237         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
17238         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
17239         (TARGET_RWRELOC): Define.
17240         (ia64_rwreloc_section_type_flags): Delete.
17241         (ia64_section_type_flags): New function.
17242         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
17243         (TARGET_RWRELOC): Define.
17244
17245 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
17246
17247         PR target/18987
17248         * config/ia64/ia64.c (process_set): For alloc insn, only call
17249         process_epilogue is !frame_pointer_needed.
17250
17251 2005-01-10  Roger Sayle  <roger@eyesopen.com>
17252
17253         PR c++/19355
17254         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
17255         unary operator and can't be treated as a binary/comparison operator.
17256
17257 2005-01-10  Richard Henderson  <rth@redhat.com>
17258
17259         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
17260         (ix86_return_in_memory): Likewise.
17261         (function_arg_advance):  Likewise.  Mirror structure in function_arg
17262         for choosing register to advance.
17263
17264 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
17265
17266         * tree-vectorizer.c, tree.def: Fix comment typos.
17267
17268 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
17269
17270         * config/s390/s390.c (struct processor_costs): 4 new fields:
17271         ddbr, ddr, debr, der.
17272         (s390_rtx_costs): More precise handling of divide instructions.
17273
17274 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
17275
17276         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
17277
17278 2005-01-10  Jan Beulich  <jbeulich@novell.com>
17279
17280         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
17281         names resulting from -ffunction-sections/-fdata-sections and linkonce
17282         ones.
17283         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
17284         based on the section name. Rearrange the section name comparison logic
17285         slightly so that each section name is compared against at most once.
17286
17287 2005-01-10  Ben Elliston  <bje@au.ibm.com>
17288
17289         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
17290         targets for which -fPIC reduces limitations on the GOT size.
17291
17292 2005-01-09  Falk Hueffner  <falk@debian.org>
17293
17294         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
17295         X/C1 cmpop C2.
17296
17297 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
17298
17299         PR target/18720
17300         * collect2.c (main): Set aixrtl_flag for -brtl option.
17301         (resolve_lib_name): Search for .so file extension before .a
17302         if aixrtl_flag set.
17303
17304 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
17305
17306         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
17307         (vect_analyze_data_refs_alignment): Add dump prints.
17308
17309 2005-01-09  Ira Rosen  <irar@il.ibm.com>
17310
17311         * tree-vectorizer.c (vect_analyze_offset_expr): Use
17312         expr_invariant_in_loop_p.
17313         Initialize outputs first thing in the function.
17314         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
17315         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
17316         (vect_analyze_pointer_ref_access): Check that the initial condition of
17317         the access function is loop invariant.
17318
17319 2005-01-09  Richard Henderson  <rth@redhat.com>
17320
17321         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
17322         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
17323         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
17324         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
17325         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
17326         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
17327         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
17328         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
17329         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
17330         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
17331         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
17332         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
17333         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
17334         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
17335         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
17336         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
17337         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
17338         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
17339         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
17340         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
17341         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
17342         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
17343         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
17344         mmx_ prefix.
17345         (mmx_clrdi, pavgusb): Remove.
17346         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
17347         with leading sse_ prefix.
17348         * config/i386/sse.md: Receive them.
17349         * config/i386/mmx.md: New file.
17350         (MMXMODE12, MMXMODE24, mmxvecsize): New.
17351         (subrv2sf3): Turn into expander for normal subtraction.
17352         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
17353         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
17354         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
17355         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
17356         commutative; use ix86_binary_operator_ok.
17357         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
17358         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
17359         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
17360         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
17361         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
17362         Macroize from existing patterns; use ix86_binary_operator_ok.
17363         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
17364         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
17365         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
17366         with vec_select+vec_concat.
17367         (mmx_pshufw, mmx_pshufw_1): Likewise.
17368         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
17369         (mmx_uavgv4hi3): Model correctly.
17370         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
17371         _mm_xor_si64): Remove casts.
17372
17373 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
17374
17375         PR tree-optimization/19224
17376         * tree-scalar-evolution.c (get_instantiated_value,
17377         set_instantiated_value): New functions.
17378         (instantiate_parameters_1): Cache the results.
17379         (instantiate_parameters, resolve_mixers): Initialize and free
17380         the cache.
17381
17382 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
17383
17384         * config/i386/i386.md (addhi_4): Correct reference in comment.
17385         (addqi_4): Same.
17386
17387 2005-01-08  Richard Henderson  <rth@redhat.com>
17388
17389         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
17390         (_mm_cvtsi128_si64x): Likewise.
17391         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
17392         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
17393         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
17394         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
17395         * config/i386/i386-protos.h: Update.
17396         * config/i386/i386.c (print_operand): Add 'H'.
17397         (ix86_fixup_binary_operands): Split out from ...
17398         (ix86_expand_binary_operator): ... here.
17399         (ix86_fixup_binary_operands_no_copy): New.
17400         (ix86_expand_fp_absneg_operator): Handle vector mode results.
17401         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
17402         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
17403         (safe_vector_operand): Use CONST0_RTX.
17404         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
17405         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
17406         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
17407         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
17408         special cases.
17409         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
17410         (IX86_BUILTIN_CMPNGESS): New.
17411         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
17412         (attr type): Add sselog1.
17413         (attr unit, attr memory): Handle it.
17414         (movti, movti_internal, movti_rex64): Move near other integer moves.
17415         (movtf, movtf_internal): Move near other fp moves.
17416         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
17417         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
17418         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
17419         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
17420         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
17421         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
17422         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
17423         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
17424         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
17425         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
17426         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
17427         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
17428         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
17429         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
17430         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
17431         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
17432         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
17433         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
17434         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
17435         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
17436         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
17437         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
17438         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
17439         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
17440         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
17441         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
17442         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
17443         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
17444         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
17445         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
17446         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
17447         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
17448         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
17449         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
17450         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
17451         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
17452         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
17453         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
17454         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
17455         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
17456         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
17457         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
17458         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
17459         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
17460         same time.
17461         (SSEPUSH, push<SSEPUSH>): Remove.
17462         (MMXPUSH, push<MMXPUSH>): Remove.
17463         (sse_movaps, sse_movaps_1, sse_movups): Remove.
17464         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
17465         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
17466         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
17467         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
17468         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
17469         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
17470         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
17471         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
17472         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
17473         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
17474         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
17475         (ppro_sse_log_V4SF): Handle sselog1.
17476         * config/i386/predicates.md (const_0_to_1_operand): New.
17477         (const_0_to_255_mul_8_operand): New.
17478         (const_1_to_31_operand): Rename from const_int_1_31_operand.
17479         (const_2_to_3_operand, const_4_to_7_operand): New.
17480         * config/i386/sse.md: New file.
17481         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
17482         (sse_movups): Rename from sse_movups_1.
17483         (sse_loadlss): Rename from sse_loadss_1.
17484         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
17485         from the name.
17486         (negv4sf2): Use ix86_expand_fp_absneg_operator.
17487         (absv4sf2, negv2df, absv2df): New.
17488         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
17489         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
17490         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
17491         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
17492         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
17493         (sse3_addsubv4sf3): Model correctly.
17494         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
17495         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
17496         (sse_movhlps): Model with vec_select+vec_concat.
17497         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
17498         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
17499         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
17500         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
17501         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
17502         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
17503         sse2_pshufhw_1): Likewise.
17504         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
17505         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
17506         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
17507         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
17508         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
17509         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
17510         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
17511         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
17512         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
17513         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
17514         sminv8hi3): Mark commutative
17515         operands.  Use ix86_binary_operator_ok.
17516         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
17517         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
17518         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
17519         sse2_punpcklqdq): Allow operand2 in memory.
17520         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
17521         sse2_movsd): Add memory alternatives.
17522         (sse_storelps): Turn expander into an insn; split after reload.
17523         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
17524         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
17525
17526 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
17527
17528         * configure.ac (DWARF-2 debug_line): Use objdump.
17529         * configure: Regenerate.
17530
17531 2005-01-08  Jeff Law  <law@redhat.com>
17532             Diego Novillo  <dnovillo@redhat.com>
17533
17534         PR tree-optimization/18241
17535         * tree-nrv.c (tree_nrv): Ignore volatile return values.
17536         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
17537         statements with volatile operands.
17538         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
17539         operands after marking a statement with has_volatile_ops.
17540
17541 2005-01-08  Roger Sayle  <roger@eyesopen.com>
17542
17543         * tree.c (int_fits_type_p): Always honor integer constant
17544         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
17545
17546 2005-01-08  Roger Sayle  <roger@eyesopen.com>
17547
17548         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
17549         the latent bug in rtl_delete_block has been resolved.
17550
17551 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
17552
17553         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
17554         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
17555
17556 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
17557
17558         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
17559         library as @multilib_dir@/$(SHLIB_SONAME).
17560
17561 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
17562
17563         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
17564         * configure: Regenerate.
17565
17566 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
17567
17568         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
17569         TYPE_MODE.
17570
17571 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
17572
17573         PR target/13674
17574         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
17575         Convert non-word aligned offset address using ld/std into
17576         indirect address.
17577
17578 2005-01-07  Richard Henderson  <rth@redhat.com>
17579
17580         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
17581
17582 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
17583
17584         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
17585
17586 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
17587
17588         PR tree-optimization/19283
17589         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
17590         is not shorter than the original type.
17591
17592         PR rtl-optimization/19012
17593         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
17594
17595         PR rtl-optimization/18861
17596         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
17597         (FULL_STATE): Define.
17598         (mark_tablejump_edge): New function.
17599         (purge_dead_tablejump_edges): New function.
17600         (find_bb_boundaries): Use it.
17601
17602         PR tree-optimization/18828
17603         * builtins.c (expand_builtin_next_arg): Remove argument and all
17604         the argument checking.
17605         (expand_builtin): Adjust caller.
17606         (expand_builtin_va_start): Likewise.  Remove error for too many
17607         arguments.
17608         (fold_builtin_next_arg): Issue error for too many arguments.
17609         After checking arguments, replace them with magic arguments that
17610         prevent further checking of the args.
17611
17612 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
17613
17614         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
17615
17616 2005-01-06  Roger Sayle  <roger@eyesopen.com>
17617
17618         PR target/6077
17619         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
17620         and %{.S:...} (and their negative variants) to test whether the
17621         input file is assembler or pre-processed-assembler independent of
17622         the actual filename extension.
17623
17624 2005-01-06  Roger Sayle  <roger@eyesopen.com>
17625
17626         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
17627         of sign or zero extended values.
17628
17629 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
17630
17631         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
17632         for IBM long double format correctly.
17633
17634 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
17635
17636         Fix PR tree-optimization/18792
17637
17638         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
17639         to first_loop_depth, and use loop depth instead of loop number.
17640         (build_classic_dir_vector): Ditto.
17641         (compute_data_dependences_for_loop): Use depth, not loop number.
17642         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
17643         number. Pass in loops, instead of loop numbers.
17644         (gather_interchange_stats): Ditto.
17645         (linear_transform_loops): Ditto.
17646
17647 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
17648
17649         PR rtl-opt/13299
17650         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
17651         biv_fits_mode_p, extension_within_bounds_p): New functions.
17652         (check_ext_dependent_givs): Use them.
17653
17654 2005-01-06  Roger Sayle  <roger@eyesopen.com>
17655
17656         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
17657         more than one barrier, in which case we should delete them all.
17658
17659 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
17660
17661         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
17662
17663 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
17664
17665         Fix PR middle-end/19286
17666         Fix PR debug/19267
17667         * dwarf2out.c (gen_subprogram_die): If we've already tried to
17668         output this subprogram, simply ignore this attempt to do it again.
17669         (add_abstract_origin_attribute): Don't abort trying to add the abstract
17670         origin attribute if it's not possible.
17671         (gen_block_die): Don't ignore subblocks of "unused" blocks.
17672         (decls_for_scope): Ditto.
17673         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
17674         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
17675
17676 2005-01-05  Richard Henderson  <rth@redhat.com>
17677
17678         PR target/11327
17679         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
17680         (bdesc_2arg): Use it.
17681         (ix86_expand_binop_builtin): Force operands into registers
17682         when optimizing.
17683         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
17684         ix86_expand_sse_compare, ix86_expand_sse_comi,
17685         ix86_expand_builtin): Likewise.
17686
17687 2005-01-05  Richard Henderson  <rth@redhat.com>
17688
17689         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
17690         and VEC_SELECT.
17691         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
17692         (mulv4hi3): Set itanium_class mmmul.
17693         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
17694         (fpack): Rename from fpack_sfsf.
17695
17696 2005-01-05  Richard Henderson  <rth@redhat.com>
17697
17698         PR rtl-opt/10692
17699         * reload1.c (do_input_reload): Restrict the optimization deleteing
17700         a previous output reload to RELOAD_FOR_INPUT.
17701
17702 2005-01-05  Steven Bosscher  <stevenb@suse.de>
17703
17704         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
17705         comment that we fall through after case.
17706         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
17707         (distribute_links): Likewise.
17708         * cse.c (cse_insn): Likewise.
17709         * cselib.c (cselib_invalidate_mem): Likewise.
17710         * df.c: Update comments at the top of the file.
17711         (read_modify_subreg_p): Update comments here too.
17712         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
17713         * flow.c (mark_set_1): Likewise.
17714         (mark_used_regs): Likewise.
17715         * gcse.c (mems_conflict_for_gcse_p): Likewise.
17716         (canon_list_insert): Likewise.
17717         (mark_set): Likewise.
17718         (try_replace_reg): Likewise.
17719         (store_killed_in_insn): Likewise.
17720         * loop.c (count_one_set): Likewise.
17721         (basic_induction_var): Likewise.
17722         * postreload-gcse.c (find_mem_conflicts): Likewise.
17723         * postreload.c (reload_combine_note_store): Likewise.
17724         (move2add_note_store): Likewise.
17725         * reload.c (find_equiv_reg): Likewise.
17726         (mark_referenced_resources): Likewise.
17727         * rtlanal.c (set_noop_p): Likewise.
17728         (note_stores): Likewise.
17729         (note_uses): Likewise.
17730         * sched-deps.c (sched_analyze_1): Likewise.
17731         * sched-rgn.c (check_live_1): Likewise.
17732         (update_live_1): Likewise.
17733         * config/i860/i860.c: Likewise.
17734
17735         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
17736         an lvalue.
17737         (ZERO_EXTRACT): Mention that this one can be an lvalue.
17738
17739         * doc/rtl.texi: Update documentation for bit-fields and SET.
17740
17741 2005-01-05  Roger Sayle  <roger@eyesopen.com>
17742
17743         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
17744
17745 2005-01-05  Jan Hubicka  <jh@suse.cz>
17746             Richard Henderson  <rth@redhat.com>
17747
17748         PR target/18910
17749         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
17750         with an offset.
17751
17752 2005-01-05  Richard Henderson  <rth@redhat.com>
17753
17754         PR target/12902
17755         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
17756         (sse_shufps): Change operand 3 to const_int_operand.
17757         (sse2_storelps): Fix typo in template.
17758         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
17759         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
17760         (ix86_expand_builtin): Likewise.
17761
17762 2005-01-05  Julian Brown  <julian@codesourcery.com>
17763
17764         * config/arm/arm.c (arm_return_in_memory): Treat complex types
17765         as aggregates for AAPCS ABIs.
17766
17767 2005-01-05  Stan Shebs  <shebs@apple.com>
17768
17769         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
17770         Mach-O getters if ppc64.
17771         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
17772         size argument.
17773         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
17774         signed four-byte field for global code case.
17775         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
17776
17777 2005-01-05  Roger Sayle  <roger@eyesopen.com>
17778
17779         PR middle-end/19100
17780         * c-common.c: Include real.h.
17781         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
17782         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
17783         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
17784         * Makefile.in (c-common.o): Update dependencies.
17785
17786 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
17787
17788         * c-parse.in (asm_string): Add trailing semicolon.
17789
17790 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
17791
17792         * c-parse.in (asm_string): New.  Don't allow wide strings in
17793         'asm'.
17794         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
17795         asm_string instead of STRING.
17796
17797 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
17798
17799         * c-typeck.c (constructor_no_implicit): Remove.
17800         (set_designator, process_init_element): Don't check
17801         constructor_no_implicit.
17802
17803 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
17804             Kaz Kojima  <kkojima@gcc.gnu.org>
17805
17806         PR target/16482
17807         * lcm.c (create_pre_exit): New.
17808         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
17809         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
17810
17811 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
17812
17813         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
17814         -msoft-float in target_float_switch.
17815         * arm.c (arm_override_options): Fix processing of target_float_switch.
17816
17817 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
17818
17819         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
17820         preferencing.
17821
17822 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
17823
17824         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
17825         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
17826
17827 2005-01-04  Roger Sayle  <roger@eyesopen.com>
17828
17829         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
17830         if deleting the then-block allows the test-block to fallthru to the
17831         else-block.
17832
17833 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
17834
17835         PR c/19152
17836         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
17837         after the full declaration if the are in two different TUs.
17838
17839 2005-01-04  Richard Henderson  <rth@redhat.com>
17840
17841         PR tree-opt/19158
17842         * tree-sra.c (generate_one_element_init): Just
17843         call gimplify_and_add.
17844         (generate_element_init): Record the
17845         new referenced variables and mark them for renaming
17846         and split out to ...
17847         (generate_element_init_1): This.
17848         (scalarize_init): Don't call push_gimplify_context/
17849         pop_gimplify_context.
17850
17851 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
17852
17853         * toplev.c (get_src_pwd): Handle failure of getpwd().
17854
17855 2005-01-04  Roger Sayle  <roger@eyesopen.com>
17856
17857         * fold-const.c (fold_single_bit_test): Delete unreachable handling
17858         of TRUTH_NOT_EXPR.
17859         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
17860         all the cases handled by it are inverted by invert_truthvalue.
17861
17862 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
17863
17864         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
17865         (save_register_windowsi): Likewise.
17866
17867 2005-01-04  Richard Henderson  <rth@redhat.com>
17868
17869         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
17870
17871 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
17872
17873         PR middle-end/17767
17874         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
17875         any simplifications of vector mode comparison operators.
17876         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
17877
17878 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
17879             Devang Patel  <dpatel@apple.com>
17880
17881         PR tree-optimization/18308
17882         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
17883         the operands before creating a new expression.
17884         * dojump.c (do_jump): Make drop_through_label available
17885         for all cases.  Add expansion of COND_EXPR.
17886
17887 2005-01-04  Ira Rosen  <irar@il.ibm.com>
17888
17889         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
17890         INTEGER_CST instead of TREE_CONSTANT.
17891         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
17892         instead of TREE_CONSTANT.
17893         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
17894         instead of TREE_CONSTANT.
17895
17896 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
17897
17898         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
17899
17900 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
17901
17902         PR target/19240
17903         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
17904         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
17905
17906 2005-01-03  Richard Henderson  <rth@redhat.com>
17907
17908         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
17909         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
17910         fold_convert_const_real_from_real): Split out from ...
17911         (fold_convert_const): ... here.
17912
17913 2005-01-03  Richard Henderson  <rth@redhat.com>
17914
17915         PR target/19235
17916         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
17917         (mov<MMXMODEI>_internal): Likewise.
17918         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
17919         Add V2SF case; use it for SSE1; don't use TI.
17920         (movdf_integer): Likewise.
17921         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
17922
17923 2005-01-03  Ira Rosen  <irar@il.ibm.com>
17924
17925         * tree-vectorizer.c (vect_strip_conversions): New function.
17926         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
17927         check for binary class.
17928
17929 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
17930
17931         Fix PR debug/17924
17932         Fix PR debug/19191
17933         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
17934         is a decl.
17935         * gimple-low.c (mark_blocks_with_used_vars): New function.
17936         (mark_blocks_with_used_subblocks): Ditto.
17937         (mark_used_blocks): Ditto.
17938         (pass_mark_used_blocks): New pass.
17939         * tree-inline.c: Include debug.h.
17940         (expand_call_inline): Call outlining_inline_function here.
17941         * tree-optimize.c (init_tree_optimization_passes): Add
17942         pass_mark_used_blocks.
17943         * tree-pass.h (pass_mark_used_blocks): New.
17944         * Makefile.in (tree-inline.o): Add debug.h dependency.
17945
17946 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
17947
17948         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
17949         VAR_DECLs to have weak_import attribute.
17950
17951         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
17952         'struct ucontext'.
17953
17954 2004-01-03  Steven Bosscher  <stevenb@suse.de>
17955
17956         * passes.c (rest_of_compilation): Don't run regmove if only
17957         flag_expensive_optimizations, require flag_regmove instead.
17958
17959 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
17960
17961         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
17962         register "sparc".
17963         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
17964         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
17965         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
17966         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
17967
17968 2005-01-03  Richard Henderson  <rth@redhat.com>
17969
17970         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
17971         (ia64_const_ok_for_letter_p): New.
17972         (ia64_const_double_ok_for_letter_p): New.
17973         (ia64_extra_constraint): New.
17974         (ia64_expand_vecint_compare): New.
17975         (ia64_expand_vcondu_v2si): New.
17976         (ia64_expand_vecint_cmov): New.
17977         (ia64_expand_vecint_minmax): New.
17978         (ia64_print_operand): Add 'v'.
17979         (ia64_preferred_reload_class): New.
17980         (ia64_vector_mode_supported_p): New.
17981         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
17982         (PREFERRED_RELOAD_CLASS): Move to function.
17983         (CONST_OK_FOR_LETTER_P): Move to function.
17984         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
17985         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
17986         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
17987         (EXTRA_CONSTRAINT): Move to function.
17988         * config/ia64/ia64.md: Include vect.md.
17989         (itanium_class): Add mmalua.
17990         (type): Handle it.
17991         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
17992         (1b_mmalua): New.
17993         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
17994         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
17995         CONST0_RTX.
17996         (const_int_2bit_operand): New.
17997         (fr_reg_or_0_operand): New.
17998         * config/ia64/ia64-modes.def: Add vector modes.
17999         * config/ia64/ia64-protos.h: Update.
18000         * config/ia64/vect.md: New file.
18001
18002 2005-01-03  Richard Henderson  <rth@redhat.com>
18003
18004         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
18005
18006 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
18007
18008         PR target/19236
18009         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
18010         to SFmode.
18011         (log1pdf2): Change mode of operands[0,1] to DFmode.
18012
18013 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
18014
18015         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
18016         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
18017         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
18018         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
18019         SPARC_RELAXED_ORDERING.
18020
18021 2005-01-03  Richard Henderson  <rth@redhat.com>
18022             Uros Bizjak  <uros@kss-loka.si>
18023
18024         PR target/14631
18025         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
18026         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
18027         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
18028         handling.
18029         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
18030         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
18031         const_pow2_1_to_128_operand): New predicates.
18032
18033 2005-01-02  Greg McGary  <greg@mcgary.org>
18034
18035         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
18036         anonymous decls.
18037         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
18038         object.  [ptr_type]: Remove unused variable.
18039         Remember nearest addressable array-element or record-component
18040         when checking bitfield components.  Tolerate empty BIND_EXPR.
18041
18042 2005-01-01  Richard Henderson  <rth@redhat.com>
18043
18044         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
18045         that don't narrow the value.  Fail for other conversions.
18046
18047 2005-01-01  Richard Henderson  <rth@redhat.com>
18048
18049         PR c/19031
18050         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
18051         * c-lang.c (finish_file): Don't do it here.
18052         * objc/objc-act.c (objc_finish_file): Likewise.
18053
18054         * cgraph.c (decl_assembler_name_equal): New.
18055         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
18056         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
18057         * cgraph.h (struct cgraph_varpool_node): Add next.
18058         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
18059         * varasm.c (assemble_alias): Mark the target as needed.
18060
18061 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
18062
18063         PR middle-end/19221
18064         * function.c (get_arg_pointer_save_area): Use entry_of_function
18065         instead of get_insns.
18066
18067 2005-01-01  Roger Sayle  <roger@eyesopen.com>
18068             Andrew Pinski  <pinskia@physics.uc.edu>
18069             James E. Wilson  <wilson@specifixinc.com>
18070
18071         PR rtl-optimization/12092
18072         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
18073         is zero.
18074
18075 2005-01-01  Roger Sayle  <roger@eyesopen.com>
18076             Olivier Hainque  <hainque@act-europe.fr>
18077
18078         * tree.c (int_fits_type_p): A narrower type always fits in a
18079         wider one, except for negative values into unsigned types.
18080
18081 2005-01-01  Roger Sayle  <roger@eyesopen.com>
18082
18083         * tree.c (int_fits_type_p): Compare the result of force_fit_type
18084         with the original constant rather than require TREE_OVERFLOW.
18085
18086 2005-01-01  Steven Bosscher  <stevenb@suse.de>
18087
18088         PR middle-end/17544
18089         * c-decl.c (finish_function): If compiling C99, annotate the
18090         compiler generated return with the current file name and line 0.
18091         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
18092         the source line is greater than 0.
18093         (remove_bb): Likewise.