OSDN Git Service

* tree-ssa-forwprop.c (cfg_changed): New.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-05-18  Richard Henderson  <rth@redhat.com>
2
3         * tree-ssa-forwprop.c (cfg_changed): New.
4         (tidy_after_forward_propagate_addr): New.
5         (forward_propagate_addr_expr): Use it, and fold_stmt_inplace.
6         (forward_propagate_addr_into_variable_array_index): Likewise.
7         (tree_ssa_forward_propagate_single_use_vars): Cleanup cfg if
8         edges were removed.
9
10 2005-05-18  Geoffrey Keating  <geoffk@apple.com>
11
12         * dummy-checksum.c: New.
13         * genchecksum.c: New.
14         * c.opt (print_pch_checksum): New flag.
15         * c-pch.c (struct c_pch_validity): Make much shorter.
16         (no_checksum): New.
17         (host_machine): Remove.
18         (target_machine): Remove.
19         (get_ident): Change PCH version number.
20         (pch_init): When -fverbose-asm, print out the compiler fingerprint.
21         Don't put triplets or version string in PCH validity data.
22         Do put the compiler checksum in the validity data.
23         (c_common_valid_pch): Don't check triplets or version string.  Do
24         check checksum.
25         (c_common_print_pch_checksum): New.
26         * c-opts.c (c_common_handle_option): Add OPT_print_pch_checksum.
27         Print fingerprint with -v.
28         * c-common.h (c_common_print_pch_checksum): New.
29         (executable_checksum): New.
30         * Makefile.in (STAGEMOVESTUFF): Add cc1*-dummy, *-checksum.c.
31         (cc1-dummy): New rule.
32         (cc1-checksum.c): New rule.
33         (cc1-checksum.o): New rule.
34         (cc1): Add checksum support.
35         (build/genchecksum): New.
36         (build/genchecksum.o): New.
37         (dummy-checksum.o): New.
38         (genobjnames): Add genchecksum.o.
39         (mostlyclean): Remove *-checksum.c.
40         (gnucompare): Add libgcc to list of directories checked.
41         Make comparison problems in libgcc/ and with checksum files only
42         be warnings.
43         * doc/invoke.texi (Precompiled Headers): Remove caution.
44         Document that it must be the exact same binary.  Add a few
45         known-safe flags to the list.
46
47         * rs6000/predicates.md (fix_trunc_dest_operand): New.
48         * rs6000/rs6000.md (fix_truncdfsi2): Use fix_trunc_dest_operand.
49         Check that a memory operand is valid before trying to use it.
50         
51         * tree-cfg.c (pass_remove_useless): This pass works on trees.
52
53 2005-05-18  Richard Guenther  <rguenth@gcc.gnu.org>
54
55         * tree.c (build1_stat): Don't try to handle two-operand
56         tree codes.
57
58 2005-05-18  Richard Sandiford  <rsandifo@redhat.com>
59
60         * config.gcc (sh*-*-*): Define SUPPORT_* macros to 1.
61         * config/sh/sh.h: Update mask names throughout.
62         (target_flags, ISIZE_BIT, DALIGN_BIT, SH1_BIT, SH2_BIT, SH3_BIT)
63         (SH_E_BIT, HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, SH4A_BIT, FMOVD_BIT)
64         (SH5_BIT, SPACE_BIT, BIGTABLE_BIT, RELAX_BIT, USERMODE_BIT)
65         (HITACHI_BIT, NOMACSAVE_BIT, PREFERGOT_BIT, PADSTRUCT_BIT)
66         (LITTLE_ENDIAN_BIT, IEEE_BIT, SAVE_ALL_TR_BIT, HARD_SH2A_BIT)
67         (HARD_SH2A_DOUBLE_BIT, INDEXED_ADDRESS_BIT, PT_FIXED_BIT)
68         (INVALID_SYMBOLS_BIT, ADJUST_UNROLL_BIT, TARGET_DUMPISIZE)
69         (TARGET_ALIGN_DOUBLE, TARGET_SH1, TARGET_SH2, TARGET_SH3)
70         (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH5, TARGET_FMOVD)
71         (TARGET_IEEE, TARGET_SMALLCODE, TARGET_BIGTABLE, TARGET_RELAX)
72         (TARGET_HITACHI, TARGET_NOMACSAVE, TARGET_PADSTRUCT)
73         (TARGET_LITTLE_ENDIAN, TARGET_USERMODE, TARGET_PREFERGOT)
74         (TARGET_SAVE_ALL_TARGET_REGS, TARGET_ALLOW_INDEXED_ADDRESS)
75         (TARGET_PT_FIXED, TARGET_INVALID_SYMBOLS, TARGET_ADJUST_UNROLL)
76         (TARGET_SWITCH_SH1, TARGET_SWITCH_SH2, TARGET_SWITCH_SH2E)
77         (TARGET_SWITCH_SH2A, TARGET_SWITCH_SH2A_SINGLE_ONLY)
78         (TARGET_SWITCH_SH2A_SINGLE, TARGET_SWITCH_SH2A_NOFPU)
79         (TARGET_SWITCH_SH3, TARGET_SWITCH_SH3E, TARGET_SWITCH_SH4_SINGLE_ONLY)
80         (TARGET_SWITCH_SH4_SINGLE, TARGET_SWITCH_SH4_NOFPU, TARGET_SWITCH_SH4)
81         (TARGET_SWITCH_SH4A, TARGET_SWITCH_SH4A_SINGLE_ONLY)
82         (TARGET_SWITCH_SH4A_SINGLE, TARGET_SWITCH_SH4A_NOFPU)
83         (TARGET_SWITCH_SH4AL, TARGET_SWITCH_SH5_64MEDIA)
84         (TARGET_SWITCH_SH5_64MEDIA_NOFPU, TARGET_SWITCHES_SH5_32MEDIA)
85         (TARGET_SWITCHES_SH5_32MEDIA_NOFPU, TARGET_SWITCH_SH5_32_ANY_EXTRA)
86         (TARGET_SWITCH_SH5_MEDIA_ANY_EXTRA, TARGET_SWITCHES)
87         (SUBTARGET_SWITCHES): Delete.
88         (TARGET_SH2E, TARGET_SH2A, TARGET_SH2A_SINGLE, TARGET_SH2A_DOUBLE)
89         (TARGET_SH3E, TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARVARD)
90         (TARGET_FPU_DOUBLE, TARGET_SH4A_ARCH, TARGET_SHMEDIA32)
91         (TARGET_SHMEDIA64): Redefine using other TARGET_* macros.
92         (TARGET_SH4): Undefine options.h definition and check MASK_SH1 as well.
93         (SUPPORT_SH1, SUPPORT_SH2E, SUPPORT_SH4, SUPPORT_SH4_SINGLE)
94         (SUPPORT_SH2A, SUPPORT_SH2A_SINGLE): Make numeric.
95         (SUPPORT_SH2): Define to 1 if SUPPORT_SH1.
96         (SUPPORT_SH3): Likewise SUPPORT_SH2.
97         (SUPPORT_SH4_NOFPU): Likewise SUPPORT_SH3.
98         (SUPPORT_SH4A_NOFPU, SUPPORT_SH4AL, SUPPORT_SH2A_NOFPU): Likewise
99         SUPPORT_SH4_NOFPU.
100         (SUPPORT_SH3E): Likewise SUPPORT_SH2E.
101         (SUPPORT_SH4_SINGLE_ONLY, SUPPORT_SH4A_SINGLE_ONLY)
102         (SUPPORT_SH2A_SINGLE_ONLY): Likewise SUPPORT_SH3E.
103         (SUPPORT_SH4A): Likewise SUPPORT_SH4.
104         (SUPPORT_SH4A_SINGLE): Likewise SUPPORT_SH4_SINGLE.
105         (SUPPORT_SH5_32MEDIA): Likewise SUPPORT_SH5_COMPACT.
106         (SUPPORT_SH5_32MEDIA_NOFPU): Likewise SUPPORT_SH5_COMPACT_NOFPU.
107         (SUPPORT_ANY_SH5_32MEDIA, SUPPORT_ANY_SH5_64MEDIA)
108         (SUPPORT_ANY_SH5): New macros.
109         (TARGET_NONE): Replace with...
110         (MASK_ARCH): ...this new macro.
111         * config/sh/elf.h: Update mask names
112         * config/sh/linux.h: Likewise.
113         * config/sh/little.h: Likewise.
114         * config/sh/netbsd-elf.h: Likewise.
115         * config/sh/symbian-pre.h: Likewise.
116         * config/sh/sh.c (sh_handle_option): New function.
117         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
118         (calc_live_regs): Use MASK_FPU_SINGLE instead of FPU_SINGLE_BIT.
119         (sh_target_switches, target_switches): Delete.
120         (sh_pch_valid_p): Check for specific differences in the target_flags
121         settings.
122         (sh_init_cumulative_args): Use MASK_HITACHI instead of HITACHI_BIT.
123         * config/sh/sh.opt: New file.
124
125 2005-05-18  Richard Henderson  <rth@redhat.com>
126
127         PR target/21632
128         * config/ia64/ia64.c (ia64_extra_constraint) <'T'>: Use
129         small_addr_symbolic_operand.
130
131 2005-05-18  Jeff Law  <law@redhat.com>
132
133         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Do not
134         propagate an ADDR_EXPR if the definition and use sites are
135         in different EH regions.
136
137 2005-05-18  Ian Lance Taylor  <ian@airs.com>
138
139         * read-rtl.c (mode_attr_index): Use obstack_grow0, not
140         obstack_grow.
141
142 2005-05-18  Daniel Berlin  <dberlin@dberlin.org>
143
144         * cfgrtl.c (purge_dead_edges): Don't remove fake edges.
145
146 2005-05-18  Daniel Berlin  <dberlin@dberlin.org>
147         
148         Fix PR tree-optimization/21407
149
150         * tree-ssa-operands.c (note_addressable): Change
151         COMPONENT_REF handling in response to aliasing
152         discussion.
153
154 2005-05-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
155
156         * config/sparc/sol2.h (TARGET_DEFAULT): Add back MASK_APP_REGS.
157         * config/sparc/sol2-64.h (TARGET_DEFAULT): Likewise.
158         * config/sparc/sp-elf.h (TARGET_DEFAULT): Delete.
159         * doc/invoke.texi (SPARC options): Document that -mapp-regs is
160         the default on Solaris too.
161
162 2005-05-17  Daniel Berlin  <dberlin@dberlin.org>
163
164         * tree-ssa-pre.c (find_or_generate_expression): CALL_EXPR
165         is okay too.
166
167 2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
168
169         * timevar.def (TV_SCEV_CONST): New timevar.
170         * tree-optimize.c (init_tree_optimization_passes): Add
171         pass_scev_cprop.
172         * tree-pass.h (pass_scev_cprop): Declare.
173         * tree-scalar-evolution.c (scev_const_prop): New function.
174         * tree-scalar-evolution.h (scev_const_prop): Declare.
175         * tree-ssa-loop.c (gate_scev_const_prop, pass_scev_cprop):
176         New.
177         * tree-cfg.c (replace_uses_by): Export.
178         * tree-flow.h (replace_uses_by): Declare.
179
180 2005-05-17  Mike Stump  <mrs@apple.com>
181
182         Yet more Objective-C++...
183
184         * c-common.h (objc_finish_try_stmt): Add.
185         (objc_build_synchronized): Add.
186         (objc_generate_write_barrier): Add.
187         * stub-objc.c (objc_build_synchronized): Add return value.
188         (objc_finish_try_stmt): Likewise.
189         (objc_generate_write_barrier): Add.
190
191         * c-common.h (objc_rewrite_function_call): Add.
192         * c-typeck.c (build_function_call): Allow objc to rewrite
193         FUNCTION_DECLs.
194         (build_modify_expr): Allow objc to generate write barriers.
195         * c.opt (Wassign-intercept): Add.
196         (Wstrict-selector-match): Add.
197         (fobjc-call-cxx-cdtors): Add.
198         (fobjc-direct-dispatch): Add.
199         (fobjc-gc): Add.
200         * dbxout.c (get_lang_number): Add Objective-C++ support.
201         * doc/invoke.texi (-fobjc-call-cxx-cdtors): Likewise.
202         (-Wstrict-selector-match): Likewise.
203         (-fobjc-direct-dispatch): Likewise.
204         (-Wassign-intercept): Likewise.
205         (Overall Options): Likewise.
206         * gengtype.c (get_output_file_with_visibility): Likewise.
207         * stub-objc.c (objc_rewrite_function_call): Add.
208         * config/darwin.h (ASM_OUTPUT_LABELREF): Improved quoting support.
209
210         * c-common.c (flag_objc_exceptions): Remove.
211         (flag_objc_sjlj_exceptions): Remove.
212         * c-decl.c (objc_mark_locals_volatile): Don't change decls
213         that are already ok.
214         * c-opts.c (c_common_handle_option, case
215         OPT_fobjc_exceptions): Remove.
216         (case OPT_fobjc_sjlj_exceptions): Remove
217         * c.opt (fobjc-call-cxx-cdtors): Have opt create the flag.
218         (fobjc-exceptions): Likewise.
219         (fobjc-sjlj-exceptions): Likewise.
220         * config/rs6000/darwin.h (OFFS_MSGSEND_FAST): Add.
221         (OFFS_ASSIGNIVAR_FAST): Add.
222         
223 2005-05-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
224
225         * config/sparc/sparc.md (movhi): Do not test constness
226         of operand #1 twice.
227         (movsi): Likewise.
228         (movdi): Unconditionally accept zero as second operand
229         when the first is memory.
230         (movdi_insn_sp32): Handle above case.
231         (DImode splitter): Use predicates.
232         (DImode splitter): Use const_zero_operand predicate.
233         (movsf_insn): Swap 2 alternatives.
234
235 2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
236
237         * tree-ssa-loop-ivopts.c (find_bivs, find_givs_in_stmt_scev): Apply
238         expand_simple_operations to bases of the ivs.
239         (tree_int_cst_sign_bit): Export.
240         * tree-flow.h (expand_simple_operations): Declare.
241         * tree-ssa-loop-niter.c (number_of_iterations_cond): Use
242         tree_int_cst_sign_bit.
243         (expand_simple_operations): Export.
244         * tree.h (tree_int_cst_sign_bit): Declare.
245
246 2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
247
248         * tree-cfg.c (tree_can_merge_blocks_p): Allow phi nodes in the
249         merged block.
250         (replace_uses_by): New function.
251         (tree_merge_blocks): Eliminate the phi nodes in the merged block.
252         * tree-flow.h (fold_stmt_inplace): Declare.
253         * tree-ssa-ccp.c (fold_stmt_inplace): New function.
254         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update dominance
255         info after cfg cleanup.
256
257 2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
258
259         * cfgloop.h (just_once_each_iteration_p): Declaration changed.
260         * cfgloopanal.c (just_once_each_iteration_p): Make the loop argument
261         const.
262
263 2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
264
265         * ggc-page.c (ggc_alloc_stat): Record amount of memory allocated.
266         * ggc-zone.c (ggc_alloc_zone_1): Ditto.
267         * timevar.c (timevar_ggc_mem_total): New variable.
268         (GGC_MEM_BOUND): New constant.
269         (get_time): Record ggc memory status.
270         (timevar_accumulate): Accumulate amount of ggc memory.
271         (timevar_print): Print consumption of ggc memory.
272         * timevar.def (TV_FIND_REFERENCED_VARS, TV_TREE_REDPHI,
273         TV_TREE_LOOP_BOUNDS, TV_TREE_LOOP_IVCANON, TV_TREE_VECTORIZATION,
274         TV_TREE_LINEAR_TRANSFORM): Shorten strings to fit in 22 characters.
275         * timevar.h (struct timevar_time_def): Add ggc_mem field.
276         (timevar_ggc_mem_total): Declare.
277
278 2005-05-17  Kazu Hirata  <kazu@cs.umass.edu>
279
280         * tree-into-ssa.c (update_ssa): Clean up by shortening the
281         live range of DFS.
282
283 2005-05-17  Hans-Peter Nilsson  <hp@axis.com>
284
285         * config/cris/cris.md (ncond, ocode, rcond): Remove separate
286         define_code_attr.
287         ("b<ncond:code>", "b<ocond:code>", "b<rcond:code>")
288         ("*b<ncond:code>_reversed", "*b<ocond:code>_reversed")
289         ("*b<rcond:code>_reversed", "s<ncond:code>", "s<rcond:code>")
290         ("s<ocond:code>"): Rename from respectively "b<ncond>",
291         "b<ocond>", "b<rcond>", ("*b<ncond>_reversed",
292         "*b<ocond>_reversed", "*b<rcond>_reversed", "s<ncond>",
293         "s<rcond>" and "s<ocond>".
294         ("b<ocond:code>", "*b<ocond:code>_reversed")
295         ("*b<rcond:code>_reversed"): Remove extraneous backslashes in
296         output statement section.
297
298 2005-05-17  Roger Sayle  <roger@eyesopen.com>
299
300         * c-typeck.c (common_type): Also handle BOOLEAN_TYPEs.
301
302 2005-05-17  Steven Bosscher  <stevenb@suse.de>
303             Stuart Hastings <stuart@apple.com>
304             Jan Hubicka  <jh@suse.cz>
305             Dale Johannesen  <dalej@apple.com>
306
307         * cgraph.h (cgraph_node): Add 'lowered' state.
308         (cgraph_lower_function): Declare.
309         * cgraphunit.c (cgraph_finalize_function): Initialize lowered flag.
310         (cgraph_lower_function): New function.
311         (cgraph_create_edges): Deal with lowered function bodies.
312         (verify_cgraph_node): Likewise.
313         (cgraph_analyze_function): Do lowering job.
314         (cgraph_build_static_cdtor): Likewise.
315         * function.h (struct function): Add saved_eh and saved_cfg.
316         * integrate.c (copy_decl_for_inlining): Kill LABEL_DECL_UID field.
317         * tree-cfg.c (fold_cond_expr_cond): Export.
318         * tree-flow.h (fold_cond_expr_cond): Declare.
319         * tree-inline.c: Include basic-block, ggc, tree-flow, except.h and
320         pointer-set.
321         (struct_inline_data): Kill fnd, first_inlined_fn, ret_label,
322         in_target_cleanup_p, tree_pruner, tsi; add callee, caller and
323         callee_cfun, block, eh_region, eh_region_offset.
324         (inlining_p): New predicate.
325         (remap_decl): Update for new inline_data; declare newly created inline
326         vars in low gimple way.
327         (copy_body_r): Update for new datastructure, simplify some of handling
328         when we are in gimple; remap LABEL_DECLs for EH; copy TREE_BLOCK;
329         deal with RESX_EXPRs.
330         (copy_bb): New.
331         (copy_edges_for_bb): Likewise.
332         (remap_decl_1): New.
333         (copy_cfg_body): New.
334         (copy_generic_body): Rewrite to work on low gimple.
335         (copy_body): Turn into simple wrapper around copy_cfg_body.
336         (setup_one_parameter): Insert new statements into given basic block.
337         (initialize_initialized_parameters): Likewise, reorganize way things are
338         gimplified.
339         (declare_return_variable): Update for new inline data datastructure.
340         (inline_forbidden_p): Work on low gimple.
341         (estimate_num_insns): Likewise.
342         (expand_call_inline): Work on CFG.
343         (push_cfun, pop_cfun): New functions.
344         (cfun_stack): New stack.
345         (add_lexical_block): New function.
346         (gimple_expand_calls_inline): Work on basic block.
347         (optimize_inline_calls): Likewise.
348         (clone_body, save_body, unsave_ewpr_now): Update for new
349         datastructures.
350         (declare_inline_vars): Work on block instead of bind_expr.
351         (inlining_p): New predicate.
352         * tree-inline.h (push_cfun, pop_cfun): Declare.
353         * tree-optimize.c: Include except.h
354         (all_lowering_passes): New variable.
355         (execute_fixup_cfg, pass_fixup_cfg): New pass.
356         (init_tree_optimization_passes): Move some to all_lowering_passes.
357         (tree_lowering_passes): New function.
358         (tree_rest_of_compilation): Register cfg hooks; save/unsave eh.
359         * tree-pass.h (tree_lowering_passes): Declare
360
361 2005-05-17  Nathan Sidwell  <nathan@codesourcery.com>
362
363         * unwind-dw2-fde-darwin.c: Include tsystem.h.
364
365 2005-05-17  Jeff Law  <law@redhat.com>
366
367         * Makefile.in (tree-ssa-forwprop.o): Depend on langhooks.h.
368         * tree-ssa-forwprop.c: Include langhooks.h.
369         (forward_propagate_addr_expr_into_variable_array_index): New.
370         (forward_propagate_addr_expr): New.
371         (tree_ssa_forward_propagate_single_use_vars): Loop over all
372         the statements in the block instead of just the last statement.
373         Call forward_propagate_addr_expr as needed.
374         (pass_forwprop): Update the SSA graph after forward propagation is
375         complete.
376
377 2005-05-17  Nathan Sidwell  <nathan@codesourcery.com>
378
379         * unwind-dw2-fde-glibc.c (base_from_cb_data,
380         _Unwind_IteratePhdrCallback): Use gcc_assert and gcc_unreachable as
381         appropriate.
382         * unwind-dw2-fde.c (__deregister_frame_info_bases,
383         base_from_object, fde_split, end_fde_sort): Likewise.
384         * unwind-dw2.c (_Unwind_GetGR, _Unwind_SetGR, execute_stack_op, 
385         execute_cfa_program, _Unwind_SetSpColumn, uw_update_context_1,
386         uw_init_context_1): Likewise.
387         * unwind.inc (_Unwind_RaiseException_Phase2, _Unwind_Resume,
388         _Unwind_Resume_or_Rethrow): Likewise.
389         * unwind-pe.h (__gxx_abort): Do not define.
390         (size_of_encoded_value, base_of_encoded_value,
391         read_encoded_value_with_base): Use gcc_unreachable.
392         * unwind.h (_Unwind_GetTextRelBase): Likewise.
393
394 2005-05-17  Daniel Jacobowitz  <dan@codesourcery.com>
395
396         * config/arm/lib1funcs.asm (cfi_pop, cfi_push, cfi_start)
397         (cfi_end): New macros.
398         (RETLDM): Use cfi_pop.  Expect an eight byte stack frame.
399         (ARM_LDIV0, THUMB_LDIV0, DIV_FUNC_END): Use CFI macros.  Create
400         an eight byte stack frame.
401         (__NR_tkill): Define.
402         (__div0): Use gettid tkill on GNU/Linux.
403         (_arm_return): Add CFI.
404         (Lchange_\register, .Lchange_lr): Create an eight byte stack frame.
405
406 2005-05-17  Daniel Jacobowitz  <dan@codesourcery.com>
407
408         * configure.ac: Remove spaces around assignment to
409         gcc_cv_ld_sysroot.
410         * configure: Regenerated.
411
412 2005-05-17  David Edelsohn  <edelsohn@gnu.org>
413
414         * config/rs6000/aix.h (TARGET_ALTIVEC_VRSAVE): Delete.
415         * config/rs6000/rs6000.c (rs6000_explicit_options): Add
416         aix_struct_ret.
417         (rs6000_override_options): Do not protect TARGET_ALTIVEC_VRSAVE.
418         Modify aix_struct_return variable, not target_flags.
419         (rs6000_handle_option): Do not protect TARGET_ALTIVEC_VRSAVE.
420         (rs6000_return_in_memory): Test aix_struct_return.
421         * config/rs6000/rs6000.opt (maix-struct-return): Convert to
422         independent variable.  Report mxl-compat.
423
424 2005-05-17  Bernd Schmidt  <bernd.schmidt@analog.com>
425
426         * config/bfin/bfin.md (eh_return): Add missing DONE.
427
428 2005-05-17  Ian Lance Taylor  <ian@airs.com>
429
430         * read-rtl.c (struct macro_traverse_data): Add unknown_mode_attr
431         field.
432         (mode_attr_index): Remove check for defined attribute.  Remove
433         infile parameter.  Change all callers.
434         (apply_mode_maps): Add unknown parameter.  Change caller.  Always
435         return after finding attribute.
436         (apply_macro_to_rtx): Add unknown_mode_attr parameter.  Change
437         callers.
438         (apply_macro_traverse): Set mtd->unknown_mode_attr.
439         (read_rtx): Use mtd.unknown_mode_attr to check for an undefined
440         attribute used for a mode.
441
442 2005-05-17  Paolo Bonzini  <bonzini@gnu.org>
443
444         * tree-ssa-math-opts.c: New file.
445
446 2005-05-17  Paolo Bonzini  <bonzini@gnu.org>
447
448         * Makefile.in: Add tree-ssa-math-opts.c.
449         * expr.c (expand_expr_real_1) <case RDIV_EXPR>: Never emit as a*(1/b).
450         * fold-const.c (distribute_real_division): New.
451         (fold_binary) <case PLUS_EXPR, case MINUS_EXPR>: Use it.
452         * tree-pass.h (pass_cse_reciprocals): New.
453         * tree-optimize.c (init_tree_optimization_passes): Run it.
454         * doc/passes.texi: Document the new pass.
455
456 2005-05-17  Richard Guenther  <rguenth@gcc.gnu.org>
457
458         PR middle-end/21595
459         * builtins.c (fold_builtin_constant_p): Handle
460         &"string cst"[0] as constant.
461
462 2005-05-17  Richard Henderson  <rth@redhat.com>
463
464         * config/i386/sse.md (mulv16qi3, mulv2di3): New.
465
466 2005-05-17  Jakub Jelinek  <jakub@redhat.com>
467
468         PR middle-end/21492
469         * cfgcleanup.c (try_crossjump_to_edge): update_forwarder_flag for
470         src2 if src2 has been split.
471
472         PR tree-optimization/21610
473         * c-typeck.c (decl_constant_value_for_broken_optimization): If not
474         returning DECL, call unshare_expr.
475
476 2005-05-17  Hans-Peter Nilsson  <hp@axis.com>
477
478         * config/cris/cris.md: Unquote preparation and output statements.
479         (BWD, WD, BW): New, mode-macros.
480         (S, s, m, mm, nbitsm1): New, mode-attrs.
481         (szext, shift, shiftrt, ncond, ocond, rcond): New, code-macros.
482         (u, su, shlr, slr, ncond, ocond, rcond, rCC, oCC, roCC): New,
483         code-attrs.
484         ("tst<mode>"): Replace "tstqi", "tsthi" and "tstsi".
485         ("*cmp_ext<mode>"): Replace "*cmp_extsi" and "*cmp_exthi".
486         ("*cmp_swapext<mode>"): Replace "*cmp_swapextqi" and
487         "*cmp_swapexthi".
488         ("cmp<mode>"): Replace "cmphi" and "cmpqi".
489         ("movdi"): Move misplaced head comment regarding necessity of
490         movdi from movsi to here.
491         ("*mov_side<mode>_biap"): Replace "*mov_sideqi_biap" and
492         "*mov_sidehi_biap".
493         ("*mov_side<mode>"): Replace "*mov_sideqi" and "*mov_sidehi".
494         ("*mov_side<mode>_biap_mem", "*mov_sidehi_biap_mem"): Replace
495         "*mov_sideqi_biap_mem".
496         ("*mov_side<mode>_mem"): Replace "*mov_sideqi_mem" and
497         "*mov_sidehi_mem".
498         ("*clear_side<mode>_biap"): Replace "*clear_sidesi_biap",
499         "*clear_sidehi_biap" and "*clear_sideqi_biap".
500         ("*clear_side<mode>"): Replace "*clear_sidesi", "*clear_sidehi"
501         and "*clear_sideqi".
502         ("*ext_side<mode>si_biap"): Replace "*ext_sideqisi_biap" and
503         "*ext_sidehisi_biap".
504         ("*ext_side<mode>si"): Replace "*ext_sideqisi" and
505         "*ext_sidehisi".
506         ("reload_in<mode>"): Replace "reload_inhi" and "reload_inqi".
507         ("reload_out<mode>"): Replace "reload_outhi" and "reload_outqi".
508         ("extend<mode>di2"): Replace "extendhidi2" and "extendqidi2".
509         ("extend<mode>si2"): Replace "extendhisi2" and "extendqisi2".
510         ("zero_extend<mode>si2"): Replace "zero_extendhisi2" and
511         "zero_extendqisi2".
512         ("*op_side<mode>_biap"): Replace "*op_sideqi_biap",
513         "*op_sidehi_biap" and "*op_sidesi_biap".
514         ("*op_side<mode>"): Replace "*op_sideqi", "*op_sidehi" and
515         "*op_sidesi".
516         ("*op_swap_side<mode>_biap"): Replace "*op_swap_sideqi_biap",
517         "*op_swap_sidehi_biap" and "*op_swap_sidesi_biap".
518         ("*op_swap_side<mode>"): Replace "*op_swap_sideqi",
519         "*op_swap_sidehi" and "*op_swap_sidesi".
520         ("sub<mode>3"): Replace "subhi3" and "subqi3", correcting a typo
521         in the N alternative of "subqi3".
522         ("*extop<mode>si_side_biap"): Replace "*extopqisi_side_biap" and
523         "*extophisi_side_biap".
524         ("*extop<mode>si_side"): Replace "*extopqisi_side" and
525         "*extophisi_side".
526         ("*extop<mode>si_swap_side_biap"): Replace
527         "*extopqisi_swap_side_biap" and "*extophisi_swap_side_biap".
528         ("*extop<mode>si_swap_side"): Replace "*extopqisi_swap_side" and
529         "*extophisi_swap_side".
530         ("*extop<mode>si"): Replace "*extopqisi" and "*extophisi".
531         ("*extop<mode>si_swap"): Replace "*extopqisi_swap" and
532         "*extophisi_swap".
533         ("<u>mul<s><mode>3"): Replace "umulhisi3", "umulqihi3",
534         "mulqihi3", "mulhisi3" and "mulhisi3".
535         ("<u>mulsidi3"): Replace "mulsidi3" and "umulsidi3".
536         ("<su>mulsi3_highpart"): Replace "smulsi3_highpart" and
537         "umulsi3_highpart".
538         ("xor<mode>3"): Replace "xorhi3" and "xorqi3".
539         ("neg<mode>2"): Replace "negsi2", "neghi2" and "negqi2".
540         ("one_cmpl<mode>2"): Replace "one_cmplhi2" and "one_cmplqi2".
541         ("<shlr>si3"): Replace "ashrsi3", "lshrsi3" and "ashlsi3".
542         ("ashr<mode>3"): Replace "ashrhi3" and "ashrqi3".
543         ("*expanded_<shlr><mode>"): Replace "*expanded_ashrhi",
544         "*expanded_ashrqi", "*expanded_lshrhi" and "*expanded_lshrqi".
545         ("*<shlr><mode>_lowpart"): Replace "*ashrhi_lowpart",
546         "*ashrqi_lowpart", "*lshrhi_lowpart" and "*lshrqi_lowpart".
547         ("lshr<mode>3"): Replace "lshrhi3" and "lshrqi3".
548         ("ashl<mode>3"): Replace "ashlhi3" and "ashlqi3".
549         ("*ashl<mode>_lowpart"): Replace "*ashlqi_lowpart" and
550         "*ashlhi_lowpart".
551         ("abs<mode>2"): Replace "abshi2" and "absqi2".
552         ("b<ncond>"): Replace "beq", "bne", "bgtu", "bltu", "bgeu" and
553         "bleu".
554         ("b<ocond>"): Replace "bgt" and "ble".
555         ("b<rcond>"): Replace "blt" and "bge".
556         ("*b<ncond>_reversed"): Replace "*beq_reversed", "*bne_reversed",
557         "*bgtu_reversed", "*bltu_reversed", "*bgeu_reversed" and
558         "*bleu_reversed".
559         ("*b<ocond>_reversed"): Replace "*bgt_reversed" and
560         "*ble_reversed".
561         ("*b<rcond>_reversed"): Replace "*blt_reversed" and
562         "*blt_reversed".
563         ("s<ncond>"): Replace "sgeu", "sltu", "seq", "sgtu", "sleu" and
564         "sne".
565         ("s<rcond>"): Replace "sge" and "slt".
566         ("s<ocond>"): Replace "sgt" and "sle".
567         ("clear.[bwd] [rx=rx+rz.S2]"): Replace split clear.d
568         [rx=rx+rz.S2], clear.w [rx=rx+rz.S2] and clear.b [rx=rx+rz.S2].
569         ("clear.[bwd] [rx=rx+i]"): Replace splits clear.d [rx=rx+i],
570         clear.w [rx=rx+i] and clear.b [rx=rx+i].
571
572 2005-05-17  Jakub Jelinek  <jakub@redhat.com>
573
574         * varasm.c (struct constant_descriptor_tree): Add hash field.
575         (const_desc_hash): Just return hash field.
576         (const_desc_eq): If hash values are different, return 0 immediately.
577         (output_constant_def): Compute hash field of temporary key, use
578         htab_find_slot_with_hash instead of htab_find_slot.  Set hash in
579         newly built constant descriptor.
580         (lookup_constant_def): Compute hash field of temporary key, use
581         htab_find_with_hash instead of htab_find.
582
583 2005-05-16  Richard Henderson  <rth@redhat.com>
584
585         * config/i386/sse.md (mulv4si3): New.
586
587 2005-05-17  Hans-Peter Nilsson  <hp@axis.com>
588
589         * config/cris/cris.h (EXTRA_CONSTRAINT_T): Remove FIXME and
590         tests for noncanonical versions of reg+constant and
591         reg+reg*{1,2,4}.
592
593 2005-05-16  Richard Henderson  <rth@redhat.com>
594             Steven Bosscher <stevenb@suse.de>
595
596         PR tree-opt/21399
597         * tree-eh.c (maybe_clean_or_replace_eh_stmt): Rename from 
598         maybe_clean_eh_stmt; take old stmt parameter.  Update EH
599         region data structure to match replacement.
600         * tree-flow.h: Update to match.
601         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
602         * tree-ssa-dom.c (optimize_stmt): Likewise.
603         * tree-ssa-pre.c (eliminate): Likewise.
604         * tree-ssa-propagate.c (substitute_and_fold): Likewise.
605
606 2005-05-16  Caroline Tice  <ctice@apple.com>
607
608         * bb-reorder.c (verify_hot_cold_block_grouping):  Replace
609         internal_error with gcc_assert.
610         * dwarf2out.c (dwarf2out_switch_text_section):  Likewise.
611         * function.h (struct function): Remove space between "*" and
612         struct field names.
613         * varasm.c (initialize_cold_section_name):   Add gcc_assert;
614         modify to use alloca.
615         (unlikely_text_section): Add check for flag_function_sections.
616         (assemble_start_function):  Move call to resolve_section, so it
617         comes before first call to unlikely_text_section.
618         (assemble_end_function):  Add test and call to function_section
619         if appropriate.
620         
621 2005-05-16  Roger Sayle  <roger@eyesopen.com>
622
623         * c-common.c (c_common_truthvalue_conversion): Use fold_build2
624         instead of build_binary_op when performing code transformations
625         to avoid error messages about constructs not it the user's code.
626
627 2005-05-16  Kazu Hirata  <kazu@cs.umass.edu>
628
629         * tree-ssa-pre.c: Fix a comment typo.
630
631 2005-05-16  Richard Henderson  <rth@redhat.com>
632
633         PR target/21556
634         * config/ia64/ia64.md (load_dtpmod, load_ltoff_dtpmod, load_dtprel,
635         load_dtprel64, load_dtprel22, load_dtprel_gd, load_ltoff_dtprel,
636         add_dtprel, add_dtprel14, add_dtprel22, load_tprel, load_tprel64,
637         load_tprel22, load_tprel_ie, load_ltoff_tprel, add_tprel, add_tprel14,
638         add_tprel22): Remove mode from symbolic operand.
639
640 2005-05-16  Richard Sandiford  <rsandifo@redhat.com>
641
642         * optc-gen.awk: Include intl.h after the externally-provided files.
643
644 2005-05-16  Kazu Hirata  <kazu@cs.umass.edu>
645
646         * tree-ssa-copy.c (copy_prop_visit_assignment): Clean up by
647         folding a COND_EXPR_COND in a nondestructive manner.
648
649 2005-05-16  Fariborz Jahanian <fjahanian@apple.com>
650
651         * config/rs6000/altivec.md (altivec_vmrghb, altivec_vmrghh, 
652         altivec_vmrghw, altivec_vmrglb, altivec_vmrglh, altivec_vmrglw):
653         New values for vec_select definitions and bitmask for element
654         selection.
655          
656 2005-05-16  Kazu Hirata  <kazu@cs.umass.edu>
657
658         * dwarf2out.c (used_rtx_varray): Rename to used_rtx_array.
659         Change the type to VEC(rtx,gc)*.
660         (mem_loc_descriptor, add_const_value_attributes,
661         dwarf2out_init): Adjust uses of used_rtx_varray.
662
663         * tree-data-ref.c (compute_all_dependences): Change the type
664         of dependence_relations to VEC(ddr_p,heap)**.
665         (compute_data_dependences_for_loop): Change the type of
666         allrelations to VEC(ddr_p,heap)*.
667
668 2005-05-16  Richard Sandiford  <rsandifo@redhat.com>
669
670         * Makefile.in (options.c): Tell optc-gen.awk to include config.h,
671         system.h, coretypes.h and tm.h.
672         (options.o): Update dependencies accordingly.
673         * optc-gen.awk: Allow header_name to be a list of filenames.
674         Handle the "Condition" flag.
675         * opts.h (CL_DISABLED): New flag.
676         * opts.c (handle_option): Print an error for CL_DISABLED options.
677         * doc/options.texi: Document the "Condition" option flag.
678
679 2005-05-16  Paolo Bonzini  <bonzini@gnu.org>
680
681         * tree-inline.c (estimate_num_insns_1): Handle VEC_COND_EXPR.
682
683 2005-05-15  Roger Sayle  <roger@eyesopen.com>
684
685         * tree-scalar-evolution.c (set_nb_iterations_in_loop): Only
686         check for TREE_OVERFLOW on INTEGER_CST trees.
687         * tree-chrec.c (chrec_convert): Only clear TREE_OVERFLOW on
688         CONSTANT_CLASS_P tree nodes.
689
690 2005-05-15  H.J. Lu  <hongjiu.lu@intel.com>
691
692         PR target/21551
693         * config/ia64/ia64.c (ia64_expand_move): Don't add addend twice.
694
695 2005-05-15  Daniel Berlin  <dberlin@dberlin.org>
696             
697         Fix PR tree-optimization/21576
698         
699         * tree-ssa-pre.c (expression_node_pool): New pool.
700         (comparison_node_pool): Ditto.
701         (list_node_pool): Ditto.
702         (pool_copy_list): New function.
703         (phi_translate): Handle CALL_EXPR.
704         (valid_in_set): Ditto.
705         (create_expression_by_pieces): Ditto.
706         (insert_into_preds_of_block): Ditto.
707         (insert_aux): Ditto.
708         (compute_avail): Ditto.
709         (create_value_expr_from): Handle TREE_LIST and CALL_EXPR.
710         (can_value_number_call): New function.
711         (find_leader): Update comment.
712         (init_pre): Create new pools.
713         (fini_pre): Free new pools.
714         (pass_pre): Add TODO_update_ssa for the future when we are going
715         to need vops.
716         * tree-vn.c (expressions_equal_p): Handle TREE_LIST.
717         (set_value_handle): Ditto.
718         (get_value_handle): Ditto.
719
720 2005-05-15  Richard Earnshaw  <richard.earnshaw@arm.com>
721
722         * arm.c (thumb_unexpanded_epilogue): Delete unused variable 'mode'.
723
724 2005-05-15  Andreas Jaeger  <aj@suse.de>
725
726         * gcc.c (pfatal_pexecute): Remove unused local function.
727
728 2005-05-15  Richard Sandiford  <rsandifo@redhat.com>
729
730         * optc-gen.awk: Remove excess indentation.
731         * opth-gen.awk: Likewise.
732
733 2005-05-14  Kaz Kojima  <kkojima@gcc.gnu.org>
734
735         * config/sh/sh.c (sh_output_mi_thunk): Check cfun->cfg instead
736         of basic_block_info.  Call init_flow and find_basic_blocks
737         before dbr_schedule if needed.
738
739 2005-05-14  Kazu Hirata  <kazu@cs.umass.edu>
740
741         * tree-optimize.c (init_tree_optimization_passes): Move
742         pass_cd_dce in place of the last pass_dce.
743
744         PR tree-optimization/21563
745         * tree-vrp.c (compare_value): Return boolean_false_node when
746         SSA_NAME in "if (SSA_NAME == CST)" is strictly smaller than or
747         strictly larger than CST.
748
749 2005-05-14  Nathan Sidwell  <nathan@codesourcery.com>
750             Jan-Benedict Glaw  <jbglaw@lug-owl.de>
751
752         * config/vax/vax.c: (print_operand_address) Use gcc_unreachable() and
753         gcc_assert().
754         (rev_cond_name) Likewise.
755         (vax_float_literal) Likewise.
756         * config/vax/vax.md: Likewise.
757
758 2005-05-14  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
759
760         * config/vax/vax.md: define_constant VAXens AP, FP, SP and PC
761         registers and use them (specifically the stack pointer).
762         * config/vax/vax.h: Use above defines right here.
763
764         * config/vax/vax.c: (override_options) Remove 'register' keyword.
765         (split_quadword_operands) Likewise. (rev_cond_name) Likewise.
766         (vax_float_literal) Likewise. (vax_rtx_costs) Remove trailing
767         whitespace.
768         * config/vax/vax.h: Remove 'register' keyword. Misc. whitespace fixes,
769         mostly removal of trailing spaces...
770         * config/vax/vax-modes.def: Remove trailing whitespace.
771
772         * config/vax/elf.h: Update whitespace.
773
774 2005-05-14  Richard Guenther  <rguenth@gcc.gnu.org>
775
776         Revert
777         2005-05-11  Richard Guenther  <rguenth@gcc.gnu.org>
778         * fold-const.c (fold_indirect_ref_1): Avoid removing
779         NOP_EXPRs with type qualifiers like const.
780
781 2005-05-14  Jan Hubicka  <jh@suse.cz>
782
783         Patch by Richard Henderson:
784         * tree-eh.c (tree_can_throw_internal, tree_can_throw_external):
785         Handle RESX expressions properly.
786
787         * tree-eh.c (record_stmt_eh_region): Use add_stmt_to_eh_region.
788         (add_stmt_to_eh_region_fn): Nest into CALL_EXPR.
789         (remove_stmt_from_eh_region_fn): Likewise.
790
791         * tree-cfg.c (execute_warn_function_return): Break out noreturn
792         warning too..
793         (execute_warn_function_noreturn): ... here.
794         (pass_warn_function_noreturn): New pass.
795         * tree-pass.h (pass_warn_function_noreturn): Declare
796         * tree-optimize.c (init_tree_optimization_passes): Move return
797         warnings early and add noreturn warnings at place of previous
798         return warnings.
799
800 2005-05-14  Kazu Hirata  <kazu@cs.umass.edu>
801
802         * tree-ssa-live.c (tpa_init, tpa_delete, tpa_compact,
803         root_var_init, type_var_init): Use VEC instead of VARRAY.
804         * tree-ssa-live.h (tree_partition_associator_d): Change the
805         type of trees to VEC(tree,heap)*.
806         (tpa_tree): Use VEC instead of VARRAY.
807
808 2005-05-14  Richard Guenther  <rguenth@gcc.gnu.org>
809
810         * fold-const.c (div_if_zero_remainder): New function.
811         (try_move_mult_to_index): Use it.
812
813 2005-05-14  Kazu Hirata  <kazu@cs.umass.edu>
814
815         * tree-eh.c (leh_tf_state): Change the type of dest_array to
816         VEC(tree,heap)*.
817         (maybe_record_in_goto_queue, lower_try_finally_onedest,
818         lower_try_finally_copy, lower_try_finally_switch,
819         lower_try_finally): Use VEC instead of VARRAY.
820
821 2005-05-14  Hans-Peter Nilsson  <hp@axis.com>
822
823         * config/cris/cris.h (Node: Register Classes): Remove obsoleted
824         comment regarding defined register classes.
825         (LEGITIMIZE_RELOAD_ADDRESS): Do not define.
826
827 2005-05-14  Kazu Hirata  <kazu@cs.umass.edu>
828
829         * tree-optimize.c (init_tree_optimization_passes): Move
830         pass_merge_phi before the first pass_dominator.
831
832 2005-05-13  Richard Earnshaw  <richard.earnshaw@arm.com>
833
834         * arm.h (INITIALIZE_TRAMPOLINE): Make the call to __clear_cache
835         unconditional.
836
837 2005-05-13  Josh Conner  <jconner@apple.com>
838
839         * config/arm/arm.c (arm_size_return_regs): New.
840         (thumb_unexpanded_epilogue): replace in-line calculation
841         of return registers with call to arm_size_return_regs.
842         (use_return_insn): Include test of which registers are
843         being used to hold return values, to accommodate
844         vector return values.
845
846 2005-05-11  Aldy Hernandez  <aldyh@redhat.com>
847
848         * config/rs6000/sysv4.opt (mlittle): Handle.
849
850         * config/rs6000/rs6000.c (rs6000_handle_option): Set
851         target_flags_explicit when appropriate.
852
853 2005-05-13  J"orn Rennecke <joern.rennecke@st.com>
854
855         PR middle-end/20714:
856         * optabs.c (no_conflict_data): New struct.
857         (no_conflict_move_test): New function.
858         (emit_no_conflict_block): Use it.
859
860 2005-05-13  Adam Nemet  <anemet@lnxw.com>
861
862         * doc/invoke.texi (Debugging Options): Option
863         -fdump-translation-unit only works with C++ now.
864
865 2005-05-13  Hans-Peter Nilsson  <hp@axis.com>
866
867         Replace calls to abort in CRIS port.
868         * config/cris/cris.h (CRIS_ASSERT): New macro.
869         * config/cris/cris.md ("*movsi_internal"): Use CRIS_ASSERT and
870         internal_error instead of abort.
871         ("movsi"): Ditto.  Unquote preparation statement section.
872         ("call", "call_value"): Ditto, but use gcc_assert where
873         appropriate.  Tweak comments.
874         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Define in terms of
875         CRIS_ASSERT.
876         (cris_op_str): Call internal_error, not abort.
877         (cris_print_operand): Tweak "abort" reference to "die" in comment.
878         (cris_initial_elimination_offset): Call gcc_unreachable, not abort.
879         (cris_notice_update_cc): Call internal_error, not abort.
880         (cris_expand_return, cris_expand_prologue, cris_gen_movem_load)
881         (cris_emit_movem_store, cris_asm_output_symbol_ref)
882         (cris_output_addr_const_extra): Use CRIS_ASSERT, don't call abort.
883         (cris_symbol, cris_got_symbol): Use CRIS_ASSERT instead of
884         ENABLE_CHECKING-guarded abort call.
885         (cris_split_movdx): Use CRIS_ASSERT instead of abort with test.
886         Use internal_error at end of test-chain.
887
888 2005-05-13  J"orn Rennecke <joern.rennecke@st.com>
889
890         PR rtl-optimization/20769:
891         * bt-load.c (compute_defs_uses_and_gen): Check for the blockage
892         pattern emitted by expand_nl_goto_receiver.
893
894         PR middle-end/20793:
895         * integrate.c (allocate_initial_values): Update register liveness
896         information.
897
898 2005-05-13  Josh Conner  <jconner@apple.com>
899
900         * arm.c (arm_return_in_memory): Add handling for vector return types.
901
902 2005-05-13  David Ung  <davidu@mips.com>
903
904         * config/mips/mips.h (processor_type): Add new PROCESSOR_4KP
905         name.
906         * config/mips/mips.c: Add 4km alias.
907         * config/mips/mips.md: Add 4kp to cpu attrib and include 4k.md.
908         * config/mips/4k.md: New file, add 4Kc/4Kp DFA pipeline
909         description.
910
911 2005-05-13  Jan Hubicka  <jh@suse.cz>
912
913         * c-decl.c (finish_function): Suppress "control reaches end of
914         non-void function" when "no return statement in function
915         returning non-void" is issued.
916
917         * tree-inline.c (copy_body_r): Simplify substituted ADDR_EXPRs.
918         * tree-optimize.c (pass_gimple): Kill.
919         (init_tree_optimization_passes): Kill pass_gimple.
920         * tree-cfg.c (build_tree_cfg): Do verify_stmts to check that we are gimple.
921         * tree-dump.c (dump_files): Rename .generic to .gimple.*
922
923 2005-05-13  J"orn Rennecke <joern.rennecke@st.com>
924
925         PR rtl-optimization/20756:
926         * basic-block.h (PROP_DEAD_INSN): Define.
927         * flow.c (propagate_one_insn): Set during mark_set_regs call
928         for a dead insn.
929         (mark_set_1): Emit a clobber when we are about to delete a dead insn
930         that kills a live register.
931
932 2005-05-13  Adrian Straetling  <straetling@de.ibm.com>
933
934         * config/s390/s390.md: ("DBL"): New mode attribute.
935         ("*movmem_long_64", "*movmem_long_31"): Merge to "*movmem_long".
936         ("*clrmem_long_64", "*clrmem_long_31"): Merge to "*clrmem_long".
937         ("*cmpmem_long_64", "*cmpmem_long_31"): Merge to "*cmpmem_long".
938
939 2005-05-13  Richard Guenther  <rguenth@gcc.gnu.org>
940
941         * c-format.c (check_format_arg): Handle string literals of
942         the form &"string"[offset].
943
944         * g++.dg/warn/format4.C: New testcase.
945
946 2005-05-13  Kazu Hirata  <kazu@cs.umass.edu>
947
948         * config/mips/3000.md, config/mips/4000.md,
949         config/mips/4100.md, config/mips/4300.md, config/mips/4600.md,
950         config/mips/5000.md, config/mips/7000.md, config/mips/9000.md,
951         config/mips/generic.md, config/pdp11/pdp11.md,
952         config/sh/crt1.asm, config/sh/lib1funcs.asm,
953         config/sh/sh-modes.def, config/sh/sh-protos.h,
954         config/sh/shmedia.md, config/sh/ushmedia.h: Update copyright.
955
956 2005-05-13  Richard Henderson  <rth@redhat.com>
957
958         * function.c (instantiate_virtual_regs_in_insn): Do not simplify
959         addition to move unless dest is a register.  Do not skip
960         instantiation in dest on addition simplification.
961
962 2005-05-13  Hans-Peter Nilsson  <hp@axis.com>
963
964         * config/cris/cris.c (cris_print_operand) <case 'H'; case
965         CONST_INT>: Use operand_subword and HOST_WIDE_INT_PRINT_DEC for
966         output; don't have special case for HOST_BITS_PER_WIDE_INT == 32.
967
968 2005-05-13  Jan Hubicka  <jh@suse.cz>
969
970         * basic-block.h (FOR_ALL_BB_FN): New macro.
971         (init_flow): Initialize cfg structure.
972         * function.c (allocate_struct_function): Do not initialize cfg structure.
973         * tree-cfg.c (init_empty_tree_cfg): Break out from ...
974         (build_tree_cfg): ... here.
975         * tree-flow.h (init_empty_tree_cfg): Declare.
976
977 2005-05-12  Steven Bosscher <stevenb@suse.de>
978
979         Fix PR tree-optimization/21520
980         * tree-ssa-pre.c (phi_translate): Use fully_constant_expression
981         to attempt to fold constants.
982
983 2005-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
984
985         * config/sh/sh.c: Declare the prototype of sh_adjust_unroll_max
986         only when TARGET_ADJUST_UNROLL_MAX is defined.
987         (general_movsrc_operand): Use the C style comment.
988         (ua_offset): Use prototype.
989
990 2005-05-12  Zdenek Dvorak  <dvorakz@suse.cz>
991
992         * tree-ssa-loop-im.c (struct mem_ref): Add field "next".
993         (struct hmr_data, hoist_memory_reference, memref_del,
994         struct fmrv_data): Removed.
995         (hoist_memory_references, free_mem_ref, free_mem_refs): New functions.
996         (gather_mem_refs, gather_mem_refs_stmt): Add new references to the
997         list.
998         (find_more_ref_vops): Traverse the list of memory references.
999         (determine_lsm_loop): Work with the list of memory references instead
1000         of traversing the hashtable.
1001
1002 2005-05-12  Steven Bosscher  <stevenb@suse.de>
1003             Stuart Hastings <stuart@apple.com>
1004             Jan Hubicka  <jh@suse.cz>
1005
1006         * except.c  (duplicate_eh_region_1, duplicate_eh_region_2,
1007         duplicate_eh_regions): New functions, based on old
1008         implementation removed with RTL inliner.
1009         (reachable_next_level): Modify behaviour pre-inline.
1010         * except.h (duplicate_eh_regions_map, duplicate_eh_regions):
1011         Declare.
1012         * function.h (struct function): Add after_inlining flag.
1013         * tree-optimize.c (tree_rest_of_compilation): Set it.
1014         * tree-eh.c (add_stmt_to_eh_region_fn): Initialize hashtable
1015         when needed.
1016         * tree-cfg.c (label_to_block_fn): Deal with cases where
1017         label was never insterted into code.
1018
1019 2005-05-12  Zack Weinberg  <zack@codesourcery.com>
1020
1021         * doc/cpp.texi: Document that #sccs is a synonym for #ident.
1022
1023 2005-05-12  Daniel Berlin  <dberlin@dberlin.org>
1024
1025         Fix PR tree-optimization/21532
1026         * tree-ssa-pre.c (create_expression_by_pieces): stmt
1027         needs to go onto the inserted_exprs list.
1028
1029 2005-05-12  Ian Lance Taylor  <ian@airs.com>
1030
1031         * c-common.h (statement_code_p): Don't declare.
1032         (STATEMENT_CODE_P): Don't define.
1033         (INIT_STATEMENT_CODES): Don't define.
1034         * c-common.c (statement_code_p): Don't define.
1035
1036 2005-05-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
1037
1038         * config/sparc/sparc.h: Remove dead code.
1039         * config/sparc/sparc.c (sparc_compute_frame_size): Use
1040         FIRST_PARM_OFFSET for the size of the register window area.
1041         (emit_save_regs): Rename into emit_save_or_restore_regs.
1042         Add 'action' parameter.  Use 4095 as upper bound for the offset.
1043         Pass 'action' to save_or_restore_regs.
1044         (emit_restore_regs): Delete.
1045         (sparc_expand_prologue): Call emit_save_or_restore_regs.
1046         (sparc_expand_epilogue): Likewise.
1047         * config/sparc/sparc.md (mode macro P): Move.
1048         (movdi_insn_sp32_v9, movdi_insn_sp32): Swap.
1049         (mov<V32:mode> expander): Move to the top of the V32 section.
1050         (movdf_insn_sp32_v9_no_fpu, movdf_insn_sp32_v9): Swap.
1051         (movtf_insn_sp64_hq, movtf_insn_sp64): Swap.
1052         (sibcall_epilogue): Move.
1053
1054 2005-05-12  Richard Earnshaw  <richard.earnshaw@arm.com>
1055
1056         PR target/21501
1057         * arm.c (arm_gen_constant): Sign-extend intermediate values when
1058         synthesizing a constant of the difference of two immediates.
1059
1060 2005-05-12  Richard Earnshaw  <richard.earnshaw@arm.com>
1061
1062         * arm/vfp.md (negsf2_vfp): Add alternative using integer registers.
1063         (negdf2_vfp): Likewise.  Convert to define_insn_and_split and split
1064         the alternatives using integer registers into the appropriate
1065         primitives.
1066
1067 2005-05-11 Kenneth Zadeck <zadeck@naturalbridge.com>
1068
1069         * bitmap.c (bitmap_elmt_to_freelist, bitmap_element_allocate,
1070         bitmap_elt_clear_from, bitmap_clear): Changed freelist structure.
1071         * bitmap.h: Fixed comments.
1072
1073 2005-05-11  Richard Henderson  <rth@redhat.com>
1074
1075         PR target/21412
1076         * config/ia64/ia64.c (TARGET_CANNOT_FORCE_CONST_MEM): New.
1077         (ia64_cannot_force_const_mem): New.
1078         (tls_symbolic_operand_type): New.
1079         (ia64_legitimate_constant_p): New.
1080         (ia64_expand_load_address): Return true on success.  Improve
1081         checks for when we should not split.
1082         (ia64_expand_tls_address): New addend operand.  Distribute it
1083         as appropriate to the tls_kind.  Delay referencing gp.
1084         (ia64_expand_move): Split symbolic addend as necessary.  Handle
1085         tls symbols with addends.
1086         * config/ia64/ia64-protos.h: Update.
1087         * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): False for r0,
1088         p0, f0, f1, and r13.
1089         (LEGITIMATE_CONSTANT_P): Move to ia64_legitimate_constant_p.
1090         * config/ia64/ia64.md (UNSPEC_DTPMOD): New.
1091         (symbolic_operand splitter): Pass everything through
1092         ia64_expand_load_address and FAIL or DONE as appropriate.
1093         (load_fptr): Only accept after reload.
1094         (load_fptr_internal1, gprel64_offset, load_gprel64, load_symptr_high,
1095         load_symptr_low, load_ltoff_dtpmod,
1096         (load_dtpmod): New.
1097         (load_dtprel): Only accept tls symbols.
1098         (load_dtprel64, load_dtprel22): Likewise.
1099         (load_tprel, load_tprel64, load_tprel22): Likewise.
1100         (load_dtprel_gd, load_ltoff_dtprel, load_tprel_ie): New.
1101         (add_dtprel): Only accept tls symbols.  Canonicalize PLUS.
1102         (add_dtprel14, add_dtprel22): Likewise.
1103         (add_tprel, add_tprel14, add_tprel22): Likewise.
1104         * config/ia64/predicates.md (small_addr_symbolic_operand): New.
1105         (any_offset_symbol_operand, aligned_offset_symbol_operand): New.
1106         (got_symbolic_operand): Check CONST offsets.
1107         (tls_symbolic_operand, ld_tls_symbolic_operand): New.
1108         (ie_tls_symbolic_operand, le_tls_symbolic_operand): New.
1109         (move_operand): Don't handle tls here.  Check CONST offsets.
1110
1111 2005-05-11  Richard Sandiford  <rsandifo@redhat.com>
1112
1113         * config/mips/7000.md (rm7_impy_si_mult): Just match imul and imadd.
1114         Remove hilo_operand check.
1115         (rm7_impy_si_mul): Just match imul3.  Remove hilo_operand check.
1116         * config/mips/predicates.md (hilo_operand): Delete.
1117
1118 2005-05-11  Richard Sandiford  <rsandifo@redhat.com>
1119
1120         * config/mips/sr71k.md, config/mips/7000.md: Reformat.
1121
1122 2005-05-11  Kazu Hirata  <kazu@cs.umass.edu>
1123
1124         PR tree-optimizer/18472
1125         * tree-if-conv.c (tree_if_convert_stmt,
1126         if_convertible_modify_expr_p): Don't handle GOTO_EXPR.
1127
1128 2005-05-11  Jan Hubicka  <jh@suse.cz>
1129
1130         * Makefile.in (tree-eh.o: Kill gt-tree-eh.h dependency.
1131         (GTFILES): add except.h.
1132         * except.c (eh_status): Add throw_stmt_table.
1133         (set_eh_throw_stmt_table, get_eh_throw_stmt_table): New functions.
1134         * except.h (add_stmt_to_eh_region_fn, remove_stmt_from_eh_region_fn,
1135         lookup_stmt_eh_region_fn): Declare.
1136         (throw_stmt_node): New structure.
1137         (set_eh_throw_stmt_table, get_eh_throw_stmt_table): New.
1138         * gengtype.c (open_base_files): Add except.h to inlines.
1139         * tree-eh.c (throw_stmt_node): Kill.
1140         (record_stmt_eh_region): Update.
1141         (add_stmt_to_eh_region_fn): Break out from ...
1142         (add_stmt_to_eh_region): ... here.
1143         (remove_stmt_from_eh_region_fn): Break out from ...
1144         (remove_stmt_from_eh_region): ... here.
1145         (lookup_stmt_eh_region_fn): Break out from ...
1146         (lookup_stmt_eh_region): ... here.
1147         (honor_protect_cleanup_actions): Use build_resx.
1148         (lower_try_finally_onedest): Likewise.
1149         (lower_try_finally_copy): Likewise.
1150         (lower_try_finally_switch): Likewise.
1151         (lower_eh_constructs): Update eh table construction.
1152         * tree.c (build_resx): New.
1153         * tree.h (build_resx): Declare.
1154
1155 2005-05-11  H.J. Lu  <hongjiu.lu@intel.com>
1156
1157         * libgcov.c (gcov_exit): Set prefix_length to 0 if no relocation
1158         is needed.
1159
1160 2005-05-11  Kazu Hirata  <kazu@cs.umass.edu>
1161
1162         * fold-const.c, libgcov.c: Fix comment typos.
1163
1164         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove
1165         redundant code.
1166
1167 2005-05-11  Daniel Jacobowitz  <dan@codesourcery.com>
1168
1169         * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1170         * config/arm/arm.h (SUBTARGET_FRAME_POINTER_REQUIRED): Provide
1171         default definition.
1172         (FRAME_POINTER_REQUIRED): Use SUBTARGET_FRAME_POINTER_REQUIRED.
1173
1174 2005-05-11  Nathan Sidwell  <nathan@codesourcery.com>
1175
1176         PR bootstrap/21481
1177         * crtstuff.c: Include auto-host.h again, for now.
1178
1179 2005-05-11  Richard Sandiford  <rsandifo@redhat.com>
1180
1181         * config/mips/24k.md: Remove trailing whitespace.
1182
1183 2005-05-11  David Ung  <davidu@mips.com>
1184
1185         * config/mips/mips.md (type): Add imul3.
1186         (length, hazard, may_clobber_hilo): Check for imul3.
1187         (mulsi3_mult3, muldi3_mult3, *muls, <su>mulsi3_highpart_mulhi_internal)
1188         (*<su>mulsi3_highpart_neg_mulhi_internal): Set attr to imul3.
1189         * config/mips/24k.md (r24k_int_mul3): Enable this reservation
1190         for a 3 operand mul and its bypasses.
1191         * config/mips/3000.md (r3k_imul): Add imul3 to reservations.
1192         * config/mips/4000.md (r4k_imul): Likewise.
1193         * config/mips/4100.md (r4100_imul_si, r4100_imul_di):  Likewise.
1194         * config/mips/4130.md (vr4130_class, vr4130_mulsi)
1195         (vr4130_muldi): Likewise.
1196         * config/mips/4300.md (r4300_imul_si, r4300_imul_di): Likewise.
1197         * config/mips/4600.md (r4600_imul, r4650_imul): Likewise.
1198         * config/mips/5000.md (r5k_imul_si, r5k_imul_di): Likewise.
1199         * config/mips/5400.md (ir_vr54_imul_si, ir_vr54_imul_di)
1200         (ir_vr54_imadd_si): Likewise.
1201         * config/mips/5500.md (ir_vr55_imul_si, ir_vr55_imul_di):  Likewise.
1202         * config/mips/7000.md (rm7_impy_si_mult, rm7_impy_si_mul)
1203         (rm7_impy_di): Likewise.
1204         * config/mips/9000.md (rm9k_mulsi, rm9k_muldi):  Likewise.
1205         * config/mips/generic.md (generic_imul): Likewise.
1206         * config/mips/sb1.md (ir_sb1_mulsi, ir_sb1_muldi): Likewise.
1207         * config/mips/sr71k.md (ir_sr70_imul_si, ir_sr70_imul_di):  Likewise.
1208
1209 2005-05-11  J"orn Rennecke <joern.rennecke@st.com>
1210
1211         PR middle-end/20371:
1212         * tree.h (record_layout_info_s): New member prev_packed.
1213         * stor-layout.c (update_alignment_for_field): Fix comment about
1214         KNOWN_ALIGN.  For MS bitfields, if we start a new run, make sure
1215         we start it properly aligned.
1216         (place_field): At the beginning of a record, pass 0 as KNOWN_ALIGN
1217         to update_alignment_for_field, and recompute it afterwards using
1218         the alignment of the record.
1219         When a packed bitfield precedes an MS bitfield, don't add padding
1220         at the end of the packed bitfield on behalf of the base type of
1221         the packed bit field.
1222         Don't adjust rli->bitpos at the end
1223         of an MS bitfield run if we already adjusted bitpos/offset for an
1224         alignment as large or larger than the bitfield type size.
1225         Take possible record alignment > BIGGEST_ALIGNMENT into account
1226         when calculating actual_align.
1227         Only put packed buit fields into rli->prev_field if they end up
1228         suitably aligned.
1229         Also set rli->remaining_in_alignment when we re-set rli->prev_field.
1230         Update rli->remaining_in_alignment when we have already started a
1231         run of bit fields and we process a packed bit field.
1232
1233 2005-05-11  Sebastian Pop  <pop@cri.ensmp.fr>
1234
1235         * tree-data-ref.c (find_data_references_in_loop): Give up when
1236         the body of the loop contains a CALL_EXPR or an ASM_EXPR: they
1237         may embed arbitrary side effects.
1238         Remove the assumption that GIMPLE form contains a single array
1239         access per statement.
1240         When the statement contains virtual operands, fail if it is not
1241         a MODIFY_EXPR or a CALL_EXPR.
1242         Return after the dont know node is inserted.
1243
1244 2005-05-11  Richard Earnshaw  <richard.earnshaw@arm.com>
1245
1246         * arm.md (negsf2, negdf2): Permit these expands when compiling for VFP.
1247
1248 2005-05-11  Richard Guenther  <rguenth@gcc.gnu.org>
1249
1250         PR middle-end/19807
1251         PR tree-optimization/19639
1252         * fold-const.c (try_move_mult_to_index): Handle INTEGER_CST
1253         and generic summands for char* as s * delta, too, folding &a[i]
1254         CODE x to &a[i CODE x/s].  Use tree_int_cst_equal
1255         for comparison of steps.  Convert types for index addition.
1256         (fold_binary): Adjust the callers to always dispatch to
1257         try_move_mult_to_index.
1258         * tree-ssa-propagate.c (set_rhs): Avoid setting rhs to
1259         expr with non-gimple ARRAY_REF offset.
1260
1261 2005-05-11  Richard Guenther  <rguenth@gcc.gnu.org>
1262
1263         * fold-const.c (fold_indirect_ref_1): Avoid removing
1264         NOP_EXPRs with type qualifiers like const.
1265
1266 2005-05-11  Richard Henderson  <rth@redhat.com>
1267
1268         PR c/21502
1269         * c-decl.c (finish_decl): Propagate the completed array type of
1270         a global variable into the binding.
1271
1272 2005-05-10  Matt Kraai  <kraai@ftbfs.org>
1273
1274         * Makefile.in (gtype-desc.o, build/genautomata.o)
1275         (build/varray.o): Depend on $(VARRAY_H).
1276
1277 2005-05-10  Diego Novillo  <dnovillo@redhat.com>
1278
1279         * tree-optimize.c (init_tree_optimization_passes): Re-organize
1280         optimization passes to do an initial batch of scalar cleanups.
1281
1282 2005-05-10  Ian Lance Taylor  <ian@airs.com>
1283
1284         * read-rtl.c (struct macro_traverse_data): Define.
1285         (map_attr_string): New static function, broken out of
1286         apply_macro_to_string.
1287         (mode_attr_index, apply_mode_maps): New static functions.
1288         (apply_macro_to_string): Call map_attr_string.
1289         (apply_macro_to_rtx): Add mode_maps and infile parameters.  Change
1290         all callers.
1291         (apply_macro_traverse): Expect data to point to a struct
1292         macro_traverse_data.
1293         (read_rtx): Add mode_maps local variable.  Use mode_traverse_data
1294         to pass data through htab_traverse.
1295         (read_rtx_1): Add mode_maps parameter.  Change all callers.
1296         Handle mode names which are attribute strings.
1297         * doc/md.texi (Substitutions): Rename from String Substitutions.
1298         Change references.  Document using attributes as modes.
1299
1300 2005-05-10  Zdenek Dvorak  <dvorakz@suse.cz>
1301
1302         * tree-cfg.c (tree_duplicate_sese_region): Update profile.
1303         * tree-optimize.c (init_tree_optimization_passes) Swap
1304         pass_ch and pass_profile.
1305         * tree-ssa-loop-ch.c (copy_loop_headers): Do not update profile
1306         here.  Remove rewrite_into_loop_closed_ssa call.
1307
1308 2005-05-10  Adrian Straetling  <straetling@de.ibm.com>
1309
1310         * config/s390/s390.c: (s390_const_double_ok_for_constraint_p): New
1311         function.
1312         (legitimate_reload_constant_p): Add check for const double zero.
1313         * config/s390/s390.md: Add comment for constraint letter 'G'.
1314         ("*movdf_64", "*movdf_31", "movsf"): Add constraint and proper
1315         attributes for new case.
1316         * config/s390/s390.h: (CONST_DOUBLE_OK_FOR_CONSTRAINT_P): Define it as
1317         s390_const_double_ok_for_constraint_p.
1318         * config/s390/s390-protos.h (s390_const_double_ok_for_constraint_p):
1319         Add prototype.
1320
1321 2005-05-10  Kazu Hirata  <kazu@cs.umass.edu>
1322
1323         PR tree-optimization/21170
1324         * tree-ssa-dom.c, tree-ssa-threadupdate.c: Replace
1325         rewrite_ssa_into_ssa in comments with update_ssa.
1326
1327 2005-05-10  Zdenek Dvorak  <dvorakz@suse.cz>
1328
1329         * tree-ssa-loop-im.c: Include hashtab.h.
1330         (struct mem_ref_loc): New.
1331         (struct mem_ref): Describe the set of references with the same
1332         shape.
1333         (max_stmt_uid, get_stmt_uid, record_mem_ref, free_mem_refs,
1334         maybe_queue_var, fem_single_reachable_address,
1335         for_each_memref, single_reachable_address,
1336         is_call_clobbered_ref, determine_lsm_reg): Removed.
1337         (record_mem_ref_loc, free_mem_ref_locs, determine_lsm_ref,
1338         hoist_memory_reference, memref_hash, memref_eq, memref_del,
1339         gather_mem_refs_stmt, gather_mem_refs, find_more_ref_vops):
1340         New functions.
1341         (rewrite_mem_refs, schedule_sm): Use mem_ref_loc list.
1342         (determine_lsm_loop): Rewritten.
1343         (determine_lsm): Do not set stmt uids.
1344
1345 2005-05-10  Adrian Straetling  <straetling@de.ibm.com>
1346
1347         * config/s390/s390.md: Add comment lines for 'f' and 't' constraint
1348         letters.
1349
1350 2005-05-10  Adrian Straetling  <straetling@de.ibm.com>
1351
1352         * config/s390/s390.md: ("anddi3","andsi3","andhi3","andqi3"): Merge.
1353         ("iordi3", "iorsi3", "iorhi3", "iorqi3"): Merge.
1354         ("xordi3", "xorsi3", "xorhi3", "xorqi3"): Merge.
1355
1356 2005-05-10  Jeff Law  <law@redhat.com>
1357
1358         * tree-ssa-dom.c (dom_opt_finalize_block): Do not call
1359         thread_across_edge for any abnormal edges.
1360
1361 2005-05-10  Richard Henderson  <rth@redhat.com>
1362
1363         * config/ia64/ia64.c (ia64_expand_atomic_op): New.
1364         * config/ia64/ia64-protos.h: Declare it.
1365         * config/ia64/sync.md (I124MODE, FETCHOP, fetchop_name): New.
1366         (sync_add<I48MODE>, sync_old_add<I48MODE>): Remove.
1367         (sync_<FETCHOP><IMODE>, sync_nand<IMODE>): New.
1368         (sync_old_<FETCHOP><IMODE>, sync_old_nand<IMODE>): New.
1369         (sync_new_<FETCHOP><IMODE>, sync_new_nand<IMODE>): New.
1370         (cmpxchg_rel_<I124MODE>): Split from cmpxchg_acq_<IMODE>.  Zero
1371         extend result; use release semantics.
1372         (cmpxchg_rel_di): Rename from cmpxchg_acq_<IMODE>; use release.
1373         (sync_val_compare_and_swap_<IMODE>): Update to match.
1374
1375 2005-05-10  Richard Henderson  <rth@redhat.com>
1376
1377         * optabs.c (expand_compare_and_swap_loop): Don't clobber old value
1378         before comparing it for success.
1379
1380 2005-05-10  Richard Henderson  <rth@redhat.com>
1381
1382         * config/ia64/sync.md (sync_add<I48MODE>): Fix arguments for
1383         no return value pattern.
1384
1385 2005-05-10  Grigory Zagorodnev  <grigory.zagorodnev@intel.com>
1386             H.J. Lu  <hongjiu.lu@intel.com>
1387
1388         * libgcov.c (create_file_directory): New function. Create
1389         directory for the given file name.
1390         (gcov_max_filename): New static var. Keeps size of the longest
1391         file name.
1392         (gcov_exit): Always try to create directory for output
1393         file. Relocate each filename basing on environment vars.
1394         (__gcov_init): Remember the longest file name.
1395         * tsystem.h: include filenames.h to get IS_DIR_SEPARATOR
1396         * doc/gcov.texi (Cross-profiling): New node documenting
1397         cross-profiling management.
1398         * doc/invoke.texi (-fprofile-arcs): Add xref to cross-profiling.
1399
1400 2005-05-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
1401
1402         * config/sparc/sparc.c (mem_min_alignment): Do not rely
1403         on MEM_ALIGN if TARGET_UNALIGNED_DOUBLES.
1404
1405 2005-05-10  Bob Wilson  <bob.wilson@acm.org>
1406
1407         * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Rearrange special
1408         case code to avoid one move instruction.
1409         (__umodsi3, __modsi3): Merge duplicated code sequences.
1410
1411 2005-05-10  Kazu Hirata  <kazu@cs.umass.edu>
1412
1413         * config/mips/24k.md, config/sh/divtab.c, config/sh/sh.c,
1414         config/sh/sh.md, config/sh/superh.h: Fix comment typos.
1415         * doc/invoke.texi: Fix typos.
1416
1417         * tree-data-ref.c (analyze_array_indexes, analyze_array,
1418         init_data_ref, access_functions_are_affine_or_constant_p,
1419         free_data_refs): Use VEC instead of VARRAY.
1420         * tree-data-ref.h (data_reference): Change the type of
1421         access_fns to VEC(tree,gc)*.
1422         (DR_ACCESS_FN, DR_NUM_DIMENSIONS): Use VEC instead of VARRAY.
1423
1424 2005-05-10  Gabor Loki <loki@gcc.gnu.org>
1425
1426         PR c/17913
1427         * c-typeck.c (build_conditional_expr): Remove reducing cond_expr.
1428         * fold-const.c (fold): Expand the condition of reducing cond_expr.
1429         (contains_label_1, contains_label_p): New functions for checking
1430         labels in a sub-tree.
1431
1432 2005-05-10  Joseph S. Myers  <joseph@codesourcery.com>
1433
1434         PR c/21342
1435         * c-decl.c (pushdecl): When there is a declaration in the current
1436         scope and the declarations are external linkage, check for
1437         compatibility with the type in the external scope and update the
1438         type in the external scope with the composite type information.
1439         Do not form a composite type of the new type and the visible type
1440         if they are incompatible.
1441
1442 2005-05-10  Nathan Sidwell  <nathan@codesourcery.com>
1443
1444         * crtstuff.c: Revert part of 2005-05-08 Change.
1445         (IN_LIBGCC2): Define.
1446
1447 2005-05-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
1448
1449         * config/sparc/sparc.c (fp_sethi_p): Test !SPARC_SIMM13_P and
1450         remove redundant test.
1451         (fp_mov_p): Accept 0.
1452         (fp_high_losum_p): Remove redundant test.
1453         * config/sparc/predicates.md (const_high_operand): Explicitly test
1454         (not small_int_operand).
1455         (fp_const_high_losum_operand): New.
1456         * config/sparc/sparc.md (movsi_insn): Do not emit 'clr'.  Reorder.
1457         (movdi_insn_sp32_v9): Use canonical predicates.
1458         (movdi_insn_sp32): Test !TARGET_V9 instead of !TARGET_ARCH64.
1459         (movdi_insn_sp64_novis): Delete.
1460         (movdi_insn_sp64_vis): Rename into movdi_insn_sp64.
1461         (movsf_insn_novis): Delete.
1462         (movsf_insn_vis): Rename into movsf_insn.
1463         (movsf_no_f_insn): Rename into movsf_insn_no_fpu.
1464         (movsf_lo_sum): Use fp_const_high_losum_operand.
1465         (movsf_high): Likewise.
1466         (movsf_high_losum splitter): Likewise.
1467         (mov<V32:mode> expander): Use register_or_zero_operand.
1468         (mov<V64:mode> expander): Likewise.
1469         (movdf_insn_sp32): Use register_or_zero_operand.
1470         (movdf_no_e_insn_sp32): Use register_or_zero_operand.
1471         Rename into movdf_insn_sp32_no_fpu.
1472         (movdf_no_e_insn_v9_sp32): Use register_or_zero_operand.
1473         Rename into movdf_insn_sp32_v9_no_fpu.
1474         (movdf_insn_v9only_novis): Delete.
1475         (movdf_insn_v9only_vis): Rename into movdf_insn_sp32_v9.
1476         (movdf_insn_sp64_novis): Delete.
1477         (movdf_insn_sp64_vis): Rename into movdf_insn_sp64.
1478         (movdf_no_e_insn_sp64): Use register_or_zero_operand.
1479         Rename into movdf_insn_sp64_no_fpu.
1480         (movtf expander): Use register_or_zero_operand.
1481         (movtf_insn_sp32): Delete.
1482         (movtf_insn_vis_sp32): Use register_or_zero_operand.
1483         Rename into movtf_insn_sp32.
1484         (movtf_no_e_insn_sp32): Use register_or_zero_operand.
1485         Rename into movtf_insn_sp32_no_fpu.
1486         (movtf_insn_hq_sp64): Delete.
1487         (movtf_insn_hq_vis_sp64): Use register_or_zero_operand.
1488         Rename into movtf_insn_sp64_hq.
1489         (movtf_insn_sp64): Delete.
1490         (movtf_insn_vis_sp64): Use register_or_zero_operand.
1491         Rename into movtf_insn_sp64.
1492         (movtf_no_e_insn_sp64): Use register_or_zero_operand.
1493         Rename into movtf_insn_sp64_no_fpu.
1494
1495 2005-05-10  Nathan Sidwell  <nathan@codesourcery.com>
1496
1497         * config/stormy16/stormy16.c (xstormy16_emit_cbranch): Use
1498         gcc_assert and gcc_unreachable as appropriate.
1499         (xstormy16_split_cbranch, xstormy16_output_cbranch_hi,
1500         xstormy16_output_cbranch_si, xstormy16_split_move,
1501         xstormy16_initial_elimination_offset,
1502         xstormy16_encode_section_info, xstormy16_print_operand_address,
1503         xstormy16_expand_call, xstormy16_expand_arith,
1504         xstormy16_output_shift, xstormy16_init_builtins): Likewise.
1505
1506 2005-05-10  Kazu Hirata  <kazu@cs.umass.edu>
1507
1508         * tree-outof-ssa.c (_elim_graph): Change the type of nodes and
1509         const_copies to VEC(tree,heap)*.
1510         (new_elim_graph, delete_elim_graph, elim_graph_size,
1511         elim_graph_add_node, eliminate_build, eliminate_phi): Use VEC
1512         instead of VARRAY.
1513
1514 2005-05-10  Joseph S. Myers  <joseph@codesourcery.com>
1515
1516         PR other/21052
1517         * doc/extend.texi (Type Attributes): Correct example syntax.
1518
1519 2005-05-09  Joseph S. Myers  <joseph@codesourcery.com>
1520
1521         PR c/21160
1522         * doc/invoke.texi (-Wuninitialized): Update documentation.
1523
1524 2005-05-09  Richard Earnshaw  <richard.earnshaw@arm.com>
1525
1526         * arm.c (const_ok_for_arm): Use a faster algorithm.
1527
1528 2005-05-09  David Edelsohn  <edelsohn@gnu.org>
1529
1530         PR target/21477
1531         * config/rs6000/rs6000.md (add_op2): New.
1532         (add<mode>3): Use it.
1533
1534 2005-05-09  Richard Earnshaw  <richard.earnshaw@arm.com>
1535
1536         * arm.c (arm_gen_constant): Add new heuristic for generating
1537         constant integers that can be expressed as the difference of two
1538         valid immediates.
1539
1540 2005-05-09  Roger Sayle  <roger@eyesopen.com>
1541
1542         * c-tree.h (parser_build_unary_op): New prototype.
1543         * c-typeck.c (parser_build_unary_op): New function to construct
1544         a unary operation in the C parser.
1545         * c-parser.c (c_parser_unary_expression):  Use the new function
1546         parser_build_unary_op when appropriate.
1547
1548 2005-05-09  Mark Mitchell  <mark@codesourcery.com>
1549
1550         PR 18655
1551         * dwarf2out.c (output_call_frame_info): Use DWARF2_FRAME_REG_OUT
1552         before outputting DWARF_FRAME_RETURN_COLUMN.
1553
1554 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1555
1556         * config/s390/s390.c: (s390_branch_condition_mask,
1557         s390_branch_condition_mnemonic, s390_extra_constraint_str,
1558         s390_const_ok_for_constraint_p, s390_expand_plus_operand,
1559         legitimize_pic_address, s390_emit_tls_call_insn,
1560         legitimize_tls_address, legitimize_tls_address,
1561         s390_expand_addcc, print_shift_count_operand, print_operand,
1562         addr_generation_dependency_p, annotate_constant_pool_refs,
1563         s390_split_branches, find_constant_pool_ref,
1564         replace_constant_pool_ref, s390_add_constant, s390_find_constant,
1565         s390_find_execute, s390_mainpool_start, s390_chunkify_start,
1566         s390_output_pool_entry, s390_function_value,
1567         s390_call_saved_register_used, s390_emit_call): Replace
1568         conditional aborts by gcc_assert and unconditional by gcc_unreachable.
1569         (s390_select_ccmode, s390_match_ccmode_set, s390_extract_part,
1570         s390_cannot_force_const_mem, s390_output_dwarf_dtprel,
1571         get_some_local_dynamic_name, s390_function_arg_size,
1572         s390_function_arg_advance, s390_function_arg,
1573         s390_expand_builtin, s390_gen_rtx_const_DI): Replace abort in
1574         default case by gcc_unreachable.
1575         * config/s390/s390.md: ("*cjump_31", "*icjump_31", "*jump31"): Replace
1576         conditional abort by gcc_assert.
1577         ("doloop_si31"): Replace abort in last else by gcc_unreachable.
1578         ("main_pool", "pool"): Replace unconditional abort by gcc_unreachable.
1579
1580 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1581
1582         * config/s390/s390.c: (s390_decompose_address,
1583         tls_symbolic_operand, legitimate_pic_operand_p,
1584         legitimate_constant_p, legitimate_reload_constant_p,
1585         s390_expand_plus_operand, legitimate_address_p,
1586         legitimate_la_operand_p, ): Remove 'register' from signature.
1587         (symbolic_reference_mentioned_p,
1588         tls_symbolic_reference_mentioned_p): Remove 'register' from local
1589         variable declarations.
1590         (legitimize_address): Remove 'register' from
1591         signature and local variable declarations.
1592
1593 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1594
1595         * config/s390/s390-protos.h: (s390_match_ccmode,
1596         s390_match_ccmode_set, reg_used_in_mem_p,
1597         symbolic_reference_mentioned_p, tls_symbolic_reference_mentioned_p,
1598         legitimate_la_operand_p, preferred_la_operand_p,
1599         s390_short_displacement, addr_generation_dependency_p,
1600         legitimate_reload_constant_p, legitimate_address_p): Change return type
1601         into 'bool'.
1602         (s390_tm_ccmode): Change type of parameter "mixed" into 'bool'.
1603         * config/s390/s390.c: (s390_match_ccmode,
1604         symbolic_reference_mentioned_p, tls_symbolic_reference_mentioned_p,
1605         legitimate_reload_constant_p): Change return type into 'bool'.
1606         (preferred_la_operand_p,legitimate_la_operand_p, legitimate_address_p):
1607         Likewise.  Additionally adapted comment.
1608         (s390_extra_constraint_p): Change Comment to reflect 'int' return type.
1609         (s390_tm_ccmode): Change type of parameter "mixed" into 'bool'.
1610         (s390_decompose_address): Change the type of the internal flags
1611         "pointer", "base_ptr", "indx_ptr", and the return value into 'bool'.
1612         (struct s390_address): Change type of "pointer" into bool.
1613         * config/s390/s390.md: ("*tmdi_reg", "*tmsi_reg", "tm<mode>_full"):
1614         Adapt calls for 's390_tm_ccmode' to the new signature.
1615
1616 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1617
1618         * config/s390/s390.c: (s390_match_ccmode_set,
1619         s390_branch_condition_mnemonic, s390_short_displacement,
1620         s390_decompose_address, get_thread_pointer, legitimize_tls_address,
1621         print_shift_count_operand, get_some_local_dynamic_name,
1622         get_some_local_dynamic_name_1, reg_used_in_mem_p,
1623         addr_generation_dependency_p, s390_split_branches,
1624         annotate_constant_pool_refs, find_constant_pool_ref,
1625         replace_constant_pool_ref, find_ltrel_base, replace_ltrel_base,
1626         s390_optimize_prologue, find_unused_clobbered_reg, s390_frame_area,
1627         s390_register_info, s390_frame_info, s390_init_frame_layout,
1628         s390_update_frame_layout, save_fpr, restore_fpr, save_gprs,
1629         restore_gprs, s390_function_arg_size, s390_function_arg_float,
1630         s390_init_machine_status, s390_assemble_integer, s390_handle_option,
1631         s390_encode_section_info, s390_cannot_force_const_mem,
1632         s390_delegitimize_address, s390_return_in_memory, s390_init_builtins,
1633         s390_expand_builtin, s390_output_mi_thunk, s390_safe_attr_type,
1634         s390_adjust_priority, s390_issue_rate,
1635         s390_first_cycle_multipass_dfa_lookahead, s390_cannot_copy_insn_p,
1636         s390_rtx_costs, s390_address_cost, s390_reorg, s390_valid_pointer_mode,
1637         s390_build_builtin_va_list, s390_gimplify_va_arg,
1638         s390_function_ok_for_sibcall, s390_call_saved_register_used,
1639         s390_pass_by_reference, s390_fixed_condition_code_regs,
1640         s390_cc_modes_compatible s390_mainpool_start,, s390_mainpool_finish,
1641         s390_mainpool_cancel, s390_chunkify_start, s390_chunkify_finish,
1642         s390_chunkify_cancel, s390_start_pool, s390_end_pool,
1643         s390_add_pool_insn, s390_find_pool, s390_add_constant,
1644         s390_find_constant, s390_add_execute, s390_find_execute,
1645         s390_execute_label, s390_execute_target, s390_dump_pool,
1646         s390_dump_execute, s390_alloc_pool, s390_free_pool): Remove prototypes.
1647         Move target macro definitions to the end of the file.  Move several
1648         functions within the file to assure correct compiling.
1649
1650 2005-05-09  Steven Bosscher  <stevenb@suse.de>
1651
1652         * calls.c (purge_reg_equiv_notes): Remove, fold into...
1653         (fixup_tail_calls): ...here.  Only look at insns between the
1654         start of the function and the FUNCTION_BEG insn note.
1655
1656         * gcse.c (one_cprop_pass): Fix typos in dumps.
1657
1658         * tree-ssa-operands.h (FOR_EACH_PHI_ARG): Fix typos.
1659
1660 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1661
1662         * config/s390/s390.h: Move xxx_REGNUM definitions to s390.md.
1663         * config/s390/s390.md: ("SIBCALL_REGNUM", "BASE_REGNUM",
1664         "RETURN_REGNUM", "CC_REGNUM", "TP_REGNUM"): New constants.
1665         Replace every occurrence of '(reg:<MODE> 33)' by '(reg:<MODE>
1666         CC_REGNUM)'.
1667         ("get_tp_64", "get_tp_31", "set_tp_64", "set_tp_31"): Replace
1668         '(reg:<MODE> 36)' by '(reg:<MODE> TP_REGNUM)'.
1669         ("*sibcall_br", "*sibcall_value_br"): Replace '(reg:DI 1)' by '(reg:DI
1670         REG_SC)'.
1671
1672 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1673
1674         * config/s390/s390.md: ("gf") New mode attribute.
1675         ("fixuns_truncdfdi2", "fixuns_truncdfsi2", "fixuns_truncsfdi2",
1676         "fixuns_truncsfsi2"): Merge.
1677         ("fix_truncdfdi2", "fix_truncsfdi2"): Merge.
1678         ("fix_truncdfdi2_ieee", "fix_truncdfsi2_ieee", "fix_truncsfdi2_ieee",
1679         "fix_truncsfsi2_ieee"): Merge.
1680
1681 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1682
1683         * config/s390/s390.md: ("FPR") New mode macro.
1684         ("de", "dee"): New mode attributes.
1685         ("cmpdf", "cmpsf"): Merge.
1686         ("*cmpdf_ccs_0", "*cmpsf_ccs_0"): Merge.
1687         ("*cmpdf_ccs_0_ibm", "*cmpdf_ccs_0_ibm"): Merge.
1688         ("*cmpdf_ccs", "*cmpsf_ccs"): Merge.
1689         ("*cmpdf_ccs_ibm", "*cmpsf_ccs_ibm"): Merge.
1690         ("floatdidf2", "floatdisf2"): Merge.
1691         ("adddf3", "addsf3"): Merge.
1692         ("*adddf3", "*addsf3"): Merge.
1693         ("*adddf3_cc", "*addsf3_cc"): Merge.
1694         ("*adddf3_cconly", "*addsf3_cconly"): Merge.
1695         ("*adddf3_ibm", "*addsf3_ibm"): Merge.
1696         ("subdf3", "subsf3"): Merge.
1697         ("*subdf3", "*subsf3"): Merge.
1698         ("*subdf3_cc", "*subsf3_cc"): Merge.
1699         ("*subdf3_cconly", "*subsf3_cconly"): Merge.
1700         ("*subdf3_ibm", "*subsf3_ibm"): Merge.
1701         ("muldf3", "mulsf3"): Merge.
1702         ("*muldf3", "*mulsf3" "): Merge.
1703         ("*muldf3_ibm", "*mulsf3_ibm"): Merge.
1704         ("*fmadddf", "*fmaddsf"): Merge.
1705         ("*fmsubdf", "*fmsubsf"): Merge.
1706         ("divdf3", "divsf3"): Merge.
1707         ("*divdf3", "*divsf3"): Merge.
1708         ("*divdf3_ibm", "*divsf3_ibm"): Merge.
1709         ("negdf2", "negsf2"): Merge.
1710         ("*negdf2_cc", "*negsf2_cc"): Merge.
1711         ("*negdf2_cconly", "*negsf2_cconly"): Merge.
1712         ("*negdf2", "*negsf2"): Merge.
1713         ("*negdf2_ibm", "*negsf2_ibm"): Merge.
1714         ("absdf2", "abssf2"): Merge.
1715         ("*absdf2_cc", "*abssf2_cc"): Merge.
1716         ("*absdf2_cconly", "*abssf2_cconly"): Merge.
1717         ("*absdf2", "*abssf2"): Merge.
1718         ("*absdf2_ibm", "*abssf2_ibm"): Merge.
1719         ("*negabsdf2_cc", "*negabssf2_cc"): Merge.
1720         ("*negabsdf2_cconly", "*negabssf2_cconly"): Merge.
1721         ("*negabsdf2", "*negabssf2"): Merge.
1722         ("sqrtdf2", "sqrtsf2"): Merge.
1723
1724 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1725
1726         * config/s390/s390.c: (s390_adjust_priority): Adapt to changed
1727         attribute names.
1728         * config/s390/2084.md: ("x_fsimpd", "x_fsimps", "x_fdivd", "x_fdivs",
1729         "x_floadd", "x_floads", "x_fstored", "x_fstores"): Rename to
1730         ("x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
1731         "x_floadsf", "x_fstoredf", "x_fstoresf") and replace 'type'
1732         attribute names.
1733         * config/s390/s390.md: ("type"): Rename "fsimpd, fsimps, floadd, floads,
1734         fstored, fstores, fmuld, fmuls, fdivd, fdivs, fsqrtd, fsqrts" to
1735         "fsimpdf, fsimpsf, floaddf, floadsf, fstoredf, fstoresf, fmuldf,
1736         fmulsf, fdivdf, fdivsf, fsqrtdf, fsqrtsf".
1737         ("*cmpdf_ccs_0", "*cmpdf_css_0_ibm", "*cmpdf_ccs",
1738         "*cmpdf_ccs_ibm", "*cmpsf_ccs_0", "*cmpsf_css_0_ibm",
1739         "*cmpsf_ccs", "*cmpsf_ccs_ibm", "*movdi_64", "*movdi_31",
1740         "*movsi_zarch", "*movsi_esa", "*movdf_64", "*movdf_31", "movsf",
1741         "*muldf3", "*muldf3_ibm", "*fmadddf", "*fmsubdf", "*mulsf3",
1742         "mulsf3_ibm", "*fmaddsf", "fmsubsf", "*divdf3", "*divdf3_ibm",
1743         "*negdf2_cc", "*negdf2_cconly", "*negdf2", "*negdf2_ibm",
1744         "*negsf2_cc", "*negsf2_cconly", "*negsf2", "*absdf2_cc",
1745         "*absdf2_cconly", "*absdf2", "*absdf2_ibm", "*abssf2_cc",
1746         "*abssf2_cconly", "*abssf2", "*abssf2_ibm", "*negabsdf2_cc",
1747         "*negabsdf2_cconly", "*negabsdf2", "*negabssf2_cc",
1748         "*negabssf2_cconly", "*negabssf2", "sqrtdf2", "sqrtsf2"): Rename
1749         'type' value.
1750         ("*divsf3"): Additionally rename second pattern to
1751         "*divsf3_ibm".
1752         ("truncdfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
1753         "*adddf3", "*adddf3_cc", "*adddf3_cconly", "*adddf3_ibm",
1754         "*addsf3", "*addsf3_cc", "*addsf3_cconly", "*subdf3",
1755         "subdf3_cc", "*subdf3_cconly", "*subdf3_ibm", "*subsf3",
1756         "subsf3_cc", "*subsf3_cconly", "*subsf3_ibm"): Merge identical
1757         'type values' and rename 'type' value.
1758         ("*addsf3"): Additionally rename second pattern to
1759         "*addsf3_ibm".
1760
1761 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1762
1763         * config/s390/s390.md: ("SHIFT"): New mode macro.
1764         ("lr", "shift"): New mode attributes.
1765         ("ashldi3", "lshrdi3"): Merge.
1766         ("*ashldi3_31", "*lshrdi3"_31): Merge.
1767         ("*ashldi3_64", "*lshrdi3"_64): Merge.
1768         ("ashlsi3", "lshrsi3"): Merge.
1769
1770 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1771
1772         * config/s390/s390.md: ("DSI", "SCOND"): New mode
1773         macros.
1774         ("E", "g"): New mode attributes.
1775         ("*adddi3_alc_cc", "*addsi3_alc_cc"): Merge.
1776         ("*adddi3_alc", "*addsi3_alc"): Merge.
1777         ("*subdi3_slb_cc", "*subsi3_slb_cc"): Merge.
1778         ("*subdi3_slb", "*subsi3_slb"): Merge.
1779         ("adddicc", "addsicc"): Merge.
1780         ("*sconddi", "*scondsi"): Merge.
1781         ("*sconddi_neg", "*scondsi_neg"): Merge.
1782         ("sltu", "sgtu", "sleu", "sgeu"): Merge.
1783         ("negdi2", "negsi2"): Extract expander pattern from
1784         "negsi2" and merge with "negdi2".
1785         ("*negdi2"): Merge with instruction pattern of "negsi2".
1786         ("*negdi2_cc", "*negsi2_cc"): Merge.
1787         ("*negdi2_cconly", "*negsi2_cconly"): Merge.
1788         ("rotldi3", "rotlsi3"): Merge.
1789
1790 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1791
1792         * config/s390/s390.md: ("hc"): New mode attribute.
1793         ("extendhidi2", "extendqidi2"): Merge.
1794         ("*extendhidi2", "*extendqidi2"): Merge.
1795         ("extendhisi2", "extendqisi2"): Merge.
1796         ("zero_extendhidi2", "zero_extendqidi2"): Merge.
1797         ("*zero_extendhidi2", "*zero_extendqidi2"): Merge.
1798         Merged 2 define_split.
1799         ("*zero_extendhisi2", "*zero_extendqisi2"): Merge.
1800         ("*zero_extendhisi2_64", "*zero_extendqisi2_64"): Merge.
1801
1802 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1803
1804         * config/s390/s390.md: ("COMPARE"): New mode macro.
1805         ("beq", "bne", "bgt", "bgtu", "blt", "bltu", "bge", "bgeu",
1806         "ble", "bleu", "bunordered", "bordered", "buneq", "bunlt",
1807         "bungt", "bunle", "bunge", "bltgt"): Merge.
1808
1809 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1810
1811         * config/s390/s390.md: ("INT"): New mode macro.
1812         ("one_cmpldi2", "one_cmplsi2", "one_cmplhi2", "one_cmplqi2"):
1813         Merge.
1814
1815 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1816
1817         * config/s390/s390.md: ("GPR", "P"): New mode macros.
1818         ("cmpdi", "cmpsi"): Merge.
1819         ("strlendi", "strlensi"): Merge.
1820         ("*strlendi", "*strlensi"): Merge.
1821         ("movmemdi", "movmemsi"): Merge.
1822         ("clrmemdi", "clrmemsi"): Merge.
1823
1824 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1825
1826         * config/s390/s390.md: ("HQI"): New mode macro.
1827         ("icm_lo", "icm_hi", "max_uint"): New mode attributes.
1828         ("*tmhi_full", "*tmqi_full"): Merge.
1829         ("*tsthiCCT", "*tstqiCCT"): Merge.
1830         ("*tsthi", "*tstqi"): Merge.
1831         ("*tsthi_cconly", "tstqi_cconly"): Merge.
1832         ("*sethighhisi", "*sethighqisi"): Merge.
1833
1834 2005-05-09  Kazu Hirata  <kazu@cs.umass.edu>
1835
1836         * crtstuff.c, integrate.h, tree-scalar-evolution.h,
1837         config/alpha/unicosmk.h, config/arc/arc.md,
1838         config/arm/bpabi.h, config/arm/coff.h, config/arm/elf.h,
1839         config/arm/ieee754-df.S, config/arm/ieee754-sf.S,
1840         config/arm/netbsd.h, config/arm/pe.c, config/arm/pe.h,
1841         config/arm/semi.h, config/arm/uclinux-elf.h,
1842         config/arm/wince-pe.h, config/fr30/fr30.c,
1843         config/rs6000/altivec.h: Update copyright.
1844
1845 2005-05-09  Nathan Sidwell  <nathan@codesourcery.com>
1846
1847         * config/pdp11/pdp11.c (pdp11_output_function_prologue): Use
1848         gcc_assert and gcc_unreachable as appropriate.
1849         (pdp11_output_function_epilogue, output_move_double,
1850         output_move_quad, print_operand_address, output_jump,
1851         output_addr_const_pdp11): Likewise.
1852         * config/pdp11/pdp11.h (FUNCTION_PROFILER,
1853         ASM_OUTPUT_ALIGN): Likewise.
1854         * config/pdp11/pdp11.md: Likewise.
1855         (extendhisi2, subhi3, subqi3): Likewise.
1856
1857 2005-05-09  David Edelsohn  <edelsohn@gnu.org>
1858
1859         PR middle-end/21237
1860         * dojump.c (do_jump, MINUS_EXPR): Build NE_EXPR and fall through
1861         to NE_EXPR case.
1862
1863 2005-05-09  Kazu Hirata  <kazu@cs.umass.edu>
1864
1865         * config/ia64/ia64.c: Fix a comment typo.
1866
1867 2005-05-09  Richard Earnshaw  <rearnsha@arm.com>
1868
1869         PR target/21397
1870         * arm.c (ARM_OPT_SET_CPU, ARM_OPT_SET_ARCH, ARM_OPT_SET_TUNE): Define.
1871         (arm_override_options): Use them instead of manifest constants.  Don't
1872         allow -march to override the -mtune setting.
1873
1874 2005-05-09  Nathan Sidwell  <nathan@codesourcery.com>
1875
1876         * config/iq2000/iq2000.c (abort_with_insn): Use fancy_abort.
1877         (gen_int_relational): Use gcc_unreachable and gcc_assert as necessary.
1878         (function_arg_advance, function_arg, save_restore_insns,
1879         iq2000_expand_prologue, iq2000_output_conditional_branch,
1880         expand_one_builtin, print_operand):
1881         * config/iq2000/iq2000.md (tablejump): Likewise.
1882
1883 2005-05-09  David Ung  <davidu@mips.com>
1884
1885         * config/mips/mips.h (processor_type): Add names for the 24K.
1886         * config/mips/mips.c (mips_cpu_info_table): Add names for the 24K
1887         processor family.
1888         * config/mips/mips.md (cnv_mode): New attribute for recording the
1889         conversion types of float convert insns.
1890         (cpu): Add 24k and 24kx.
1891         (include): Include 24k.md file.
1892         (truncdfsf2, extendsfdf2, fix_truncdfsi2_insn, fix_truncdfsi2_macro)
1893         (fix_truncdfdi2, fix_truncsfdi2, floatsidf2, floatdidf2, floatsisf2)
1894         (floatdisf2): Setup cnv_mode.
1895         (fix_truncsfsi2_insn, fix_truncsfsi2_macro): Changed mode to SF and
1896         setup cnv_mode.
1897         * config/mips/24k.md: New file, contains 24k DFA pipeline
1898         description.
1899
1900 2005-05-09  Nathan Sidwell  <nathan@codesourcery.com>
1901
1902         * config/sh/sh.c (print_operand_address): Use gcc_assert and
1903         gcc_unreachable as appropriate.
1904         (print_operand, prepare_move_operands, prepare_scc_operands,
1905         output_movedouble, output_branch, shift_insns_rtx, gen_shifty_op,
1906         gen_shl_and, shl_sext_kind, gen_datalabel_ref, dump_table,
1907         fixup_mova, gen_far_branch, sh_reorg, split_branches,
1908         final_prescan_insn, output_stack_adjust, sh_expand_epilogue,
1909         sh_set_return_address, sh_setup_incoming_varargs,
1910         initial_elimination_offset, sh_pch_valid_p, get_free_reg,
1911         sh_expand_builtin, sh_output_mi_thunk, extract_sfunc_addr,
1912         check_use_sfunc_addr): Likewise.
1913         * config/sh/netbsd-elf.h (FUNCTION_PROFILER): Likewise.
1914         * config/sh/sh.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Likewise.
1915         * config/sh/symbian.c (sh_symbian_mark_dllexport,
1916         sh_symbian_mark_dllimport): Likewise.
1917         * config/sh/sh.md: Likewise.
1918         (movdicc, call_pop, call_value_pop, casesi_worker_1,
1919         casesi_worker_2, casesi_shift_media, casesi_load_media,
1920         return_media): Likewise.
1921
1922 2005-05-08  Roger Sayle  <roger@eyesopen.com>
1923
1924         PR inline-asm/8788
1925         * stmt.c (expand_asm_operands): Avoid calling force_reg on BLKmode
1926         operands.
1927
1928 2005-05-08  Richard Henderson  <rth@redhat.com>
1929
1930         * config/alpha/alpha.c (adjust_address): Fix typo last change.
1931
1932 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
1933
1934         * config/m68hc11/m68hc11.h (REG_VALID_P): A regno must be >= 0
1935         and -1 can happen in reg_renumber when no hard register is assigned.
1936
1937 2005-05-08  Steven Bosscher  <stevenb@suse.de>
1938             Kazu Hirata  <kazu@cs.umass.edu>
1939
1940         PR tree-optimization/14841, tree-optimization/15838
1941         * tree-ssa-ccp.c (fold_const_aggregate_ref): New.
1942         (evaluate_stmt): Call it.
1943
1944 2005-05-08  Jakub Jelinek  <jakub@redhat.com>
1945
1946         * config/ia64/ia64.c (ia64_override_options): Don't set
1947         ia64_flag_var_tracking and clear flag_var_tracking here...
1948         (ia64_file_start): ... but here.
1949
1950 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
1951
1952         * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use gcc_assert
1953         and gcc_unreachable as appropriate.
1954         (expand_prologue, expand_epilogue, m68hc11_gen_lowpart,
1955         m68hc11_gen_highpart, print_operand, print_operand_address,
1956         m68hc11_expand_compare, m68hc11_expand_compare_and_branch,
1957         m68hc11_gen_movhi): Likewise.
1958         * config/m68hc11/m68hc11.h (HARD_X_REGNUM): Reword comment.
1959         * config/m68hc11/m68hc11.md: Reword comment.
1960
1961 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
1962
1963         PR target/21281
1964         * config/m68hc11/predicates.md (splitable_operand): An immediate is
1965         allowed.
1966
1967 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
1968
1969         * config/m68hc11/predicates.md (reg_or_some_mem_operand): Do not allow
1970         the 68HC12 address indirect addressing mode as it is not supported by
1971         bset and bclr.
1972         * config/m68hc11/m68hc11-protos.h
1973         (m68hc11_valid_addressing_p): Declare.
1974         (m68hc11_add_mode): Declare.
1975         * config/m68hc11/m68hc11.c (m68hc11_valid_addressing_p): Rename from
1976         register_indirect_p and export it.
1977         (m68hc11_z_replacement): Use emit_insn_after when adding the save Z
1978         instruction so that it is part of the good BB.
1979         (m68hc11_gen_movhi): Fix invalid generation of indexed indirect
1980         addressing with movw.
1981         (m68hc11_gen_movqi): Use pula and pulb instead of lda and ldb for
1982         68HC12.
1983         * config/m68hc11/m68hc11.h (ADDR_STRICT, ADDR_INCDEC, ADDR_INDEXED,
1984         ADDR_OFFSET, ADDR_INDIRECT, ADDR__CONST): Moved from m68hc11.c.
1985         * config/m68hc11/m68hc11.md ("movhi_const0"): Use this pattern only
1986         for 68HC11.
1987         ("*movhi_68hc12"): Handle movhi_const0.
1988         ("*subhi3", "subqi3"): Use general_operand for operand 1.
1989         ("*subhi3_zext"): Likewise.
1990
1991 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
1992
1993         PR target/19051
1994         * config/m68hc11/m68hc11.md ("mulqi3"): Use general_operand for
1995         operand 1 and fix constraints.
1996         ("mulqihi3"): Use general_operand for operand 2.
1997
1998 2005-05-08  Julian Brown  <julian@codesourcery.com>
1999             H.J. Lu  <hongjiu.lu@intel.com>
2000             Paul Brook  <paul@codesourcery.com>
2001
2002         * configure.ac: Set ld_vers_major, ld_vers_minor and ld_vers_patch for
2003         GNU linker. Support linker version x.x.x.x.x. Require GNU linker
2004         20050308/2.16.0 or newer for comdat group.
2005         * configure: Regenerated.
2006         * config.in: Regenerated.
2007         * varasm.c (default_function_rodata_section): Put .rodata section in
2008         COMDAT group when necessary.
2009         (default_elf_asm_named_section): Rename HAVE_GAS_COMDAT_GROUP to
2010         HAVE_COMDAT_GROUP.
2011         (default_unique_section_1): Don't use .gnu.linkonce when COMDAT is
2012         available.
2013
2014 2005-05-08  Kazu Hirata  <kazu@cs.umass.edu>
2015
2016         * tree-dfa.c (referenced_vars, add_referenced_var): Use VEC
2017         instead of VARRAY.
2018         * tree-flow.h (num_referenced_var, referenced_var): Likewise.
2019         * tree-into-ssa.c (mark_def_site_blocks): Likewise.
2020         * tree-ssa.c (init_tree_ssa, delete_tree_ssa): Likewise.
2021         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
2022
2023 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
2024
2025         PR target/16925
2026         * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Handle split of
2027         64-bit constants on 64-bit hosts.
2028         (m68hc11_split_logical): Simplify.
2029         (m68hc11_split_move): Likewise.
2030
2031 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
2032             Paolo Bonzini  <bonzini@gnu.org>
2033
2034         * Makefile.in (cs-tconfig.h): Pass USED_FOR_TARGET to mkconfig.sh
2035         * aclocal.m4 (GCC_TARGET_TEMPLATE, AH_TEMPLATE): New.
2036         * configure.ac (enable_checking): Fix typos in runtime_checking.
2037         (ENABLE_RUNTIME_CHECKING): Mark as target template.
2038         (xm_file): Prepend auto-host.h
2039         (HAVE_GAS_HIDDEN, HAVE_LD_EH_FRAME_HDR): Mark as target template.
2040         * mkconfig.sh: Do not automatically define USED_FOR_TARGET in
2041         tconfig.h.
2042         * crtstuff.c: Do not include auto-host.h.
2043         (IN_LIBGCC2): Do not define.
2044         * gcov-io.h: Include tconfig.h, not auto-host.h.
2045         * libgcc2.c: Do not include auto-host.h.
2046         (abort): Do not undefine.
2047         * libgcov.c: Remove unneeded comment about config.h.
2048         * unwind-dw2-fde-glibc.c: Do not inlude auto-host.h.
2049         * config.in, configure: Regenerated.
2050
2051 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
2052             Falk Hueffner  <falk@debian.org>
2053
2054         * config/alpha/alpha.c (tls_symbolic_operand_1): Use gcc_assert
2055         and gcc_unreachable as appropriate.
2056         (get_aligned_mem, get_unaligned_address,
2057         alpha_emit_set_long_const, alpha_emit_conditional_branch,
2058         alpha_emit_setcc, alpha_emit_conditional_move,
2059         alpha_lookup_xfloating_lib_func, alpha_compute_xfloating_mode_arg,
2060         alpha_emit_xfloating_libcall, alpha_split_tfmode_pair,
2061         alpha_expand_unaligned_load, alpha_expand_block_move,
2062         alpha_expand_zap_mask, get_trap_mode_suffix,
2063         get_round_mode_suffix, get_some_local_dynamic_name,
2064         print_operand_address, function_arg, alpha_return_in_memory,
2065         function_value, alpha_expand_builtin,
2066         alpha_initial_elimination_offset, alpha_expand_epilogue,
2067         summarize_insn, alpha_handle_trap_shadows, alphaev5_insn_pipe,
2068         alphaev5_next_group, alpha_align_insns,
2069         unicosmk_initial_elimination_offset, unicosmk_unique_section,
2070         unicosmk_ssib_name): Likewise.
2071         * config/alpha/alpha.h (ASM_OUTPUT_ADDR_VEC_ELT): Likewise.
2072         * config/alpha/unicosmk.h (TRAMPOLINE_TEMPLATE,
2073         ASM_OUTPUT_ADDR_DIFF_ELT, ASM_OUTPUT_ADDR_DIFF_VEC): Likewise.
2074         * config/alpha/vms.h (INITIAL_ELIMINATION_OFFSET,
2075         ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
2076         * config/alpha/alpha.md (*divmodsi_internal_er,
2077         *divmoddi_internal_er, ashldi3, *insxl, sibcall, call_osf,
2078         call_nt, call_umk, call_vms, call_value, sibcall_value,
2079         call_value_osf, call_value_nt, call_value_vms, call_value_umk,
2080         *call_vms_1, *movmemdi_1, *clrmemdi_1, *call_value_vms_1): Likewise.
2081         * config/alpha/predicates.md (input_operand): Likewise.
2082
2083 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
2084
2085         * config/frv/frv.c (frv_default_flags_for_cpu): Use gcc_assert and
2086         gcc_unreachable, as appropriate.
2087         (frv_function_prologue, frv_alloc_temp_reg,
2088         frv_initial_elimination_offset, frv_expand_block_move,
2089         frv_expand_block_clear, frv_print_operand_jump_hint,
2090         frv_legitimize_tls_address, unspec_got_name, frv_emit_move,
2091         frv_emit_movsi, frv_split_cond_move, frv_split_minmax,
2092         frv_ifcvt_modify_insn, frv_ifcvt_modify_final,
2093         frv_adjust_field_align, frv_insn_unit, frv_cond_flags,
2094         frv_sort_insn_group, frv_reorder_packet, frv_matching_accg_mode,
2095         frv_in_small_data_p, frv_asm_out_constructor,
2096         frv_asm_out_destructor, frv_output_dwarf_dtprel): Likewise.
2097         * config/frv/frv.md (reload_incc_fp, *cond_exec_si_binary1,
2098         *cond_exec_si_binary2, *cond_exec_si_divide, *cond_exec_si_unary1,
2099         *cond_exec_sf_conv, *cond_exec_sf_add, call, sibcall, call_value,
2100         sibcall_value, casesi): Likewise.
2101
2102         * config/mn10300/mn10300.c (print_operand): Use gcc_assert and
2103         gcc_unreachable as appropriate.
2104         (print_operand_address, mn10300_print_reg_list, expand_prologue,
2105         expand_epilogue, notice_update_cc, initial_offset,
2106         mn10300_address_cost_1): Likewise.
2107         * config/mn10300/mn10300.md: Likewise.
2108         (absdf2, abssf2, negdf2, negsf2): Likewise.
2109
2110 2005-05-08  Richard Sandiford  <rsandifo@redhat.com>
2111
2112         PR target/21416
2113         * config/mips/mips.c (mips_emit_compare): Don't reverse UNGE and UNGT
2114         comparisons.
2115         * config/mips/mips.md (swapped_fcond): New code macro and attribute.
2116         (sgt_<mode>, sge_<mode>): Generalize to all members of swapped_fcond,
2117         including sunge_<mode> and sungt_<mode>.
2118
2119 2005-05-08  Richard Sandiford  <rsandifo@redhat.com>
2120
2121         * integrate.h (get_hard_reg_initial_val): Change type of register
2122         parameter from int to unsigned int.
2123         (has_hard_reg_initial_val): Likewise.
2124         * integrate.c (get_hard_reg_initial_val): Likewise.
2125         (has_hard_reg_initial_val): Likewise.  Remove cast to unsigned int.
2126
2127 2005-05-08  Kazu Hirata  <kazu@cs.umass.edu>
2128
2129         * except.c (eh_status): Change the type of ttype_data to
2130         VEC(tree,gc)*.
2131         (add_ttypes_entry, assign_filter_values,
2132         output_function_exception_table): Use VEC instead of VARRAY.
2133
2134 2005-05-07  David Edelsohn  <edelsohn@gnu.org>
2135
2136         * config/rs6000/rs6000.md (popcount<mode>2): Fix non-C90 constant.
2137
2138 2005-05-07  Paul Brook  <paul@codesourcery.com>
2139
2140         * Makefile.in: Fix dependencies.
2141         (GCOV_IO_H, VARRAY_H): Set.
2142
2143 2005-05-07  Anthony Green  <green@redhat.com>
2144
2145         PR bootstrap/21403
2146         * configure.ac (STMP_FIXPROTO): Fix [ ] consumption problem in
2147         x$STMP_FIXPROTO test.
2148         * configure: Rebuilt.
2149
2150 2005-05-07  Joseph S. Myers  <joseph@codesourcery.com>
2151
2152         * config/pa/pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Do not define
2153         inappropriate feature test macros if flag_iso.
2154
2155 2005-05-07  Joseph S. Myers  <joseph@codesourcery.com>
2156
2157         * config/ia64/hpux.h (NO_IMPLICIT_EXTERN_C): Define.
2158
2159 2005-05-07  Hans-Peter Nilsson  <hp@axis.com>
2160
2161         PR target/21441
2162         * config/cris/cris.md ("*movdi_insn", "*mov_sidesisf_biap")
2163         ("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"):
2164         Handle moved operand being in special register.
2165         ("smulsi3_highpart", "umulsi3_highpart"): Change .error into
2166         presumed working insn.
2167         (mover2side): Add FIXME.
2168
2169 2005-05-07  Richard Sandiford  <rsandifo@redhat.com>
2170
2171         * integrate.c (get_func_hard_reg_initial_val): Delete.
2172         (has_func_hard_reg_initial_val): Delete.
2173         (get_hard_reg_initial_val): Inline the old implementation of
2174         get_func_hard_reg_initial_val.  Use has_hard_reg_initial_val
2175         instead of has_func_hard_reg_initial_val to test for an existing
2176         pseudo.  Only create an rtx if a new initial value entry is needed.
2177         (has_hard_reg_initial_val): Scan the initial value list directly.
2178         Don't create an rtx.
2179
2180 2005-05-07  David Edelsohn  <edelsohn@gnu.org>
2181
2182         * config.gcc ({powerpc,rs6000}-ibm-aix*): Remove rs6000/aix.opt
2183         from extra_options.
2184         * config.in (HAVE_AS_POPCNTB): New.
2185         * configure.ac (HAVE_AS_MFCRF): Add .machine "pwr5" to AIX test.
2186         (HAVE_AS_POPCNTB): New.
2187         * configure: Regenerated.
2188         * config/rs6000/aix.h (TARGET_XL_COMPAT): Delete.
2189         * config/rs6000/rs6000.c (rs6000_override_options, power5): Add
2190         MASK_POPCNTB.  Uncomment rs6000_sched_restricted_insns_priority
2191         and rs6000_sched_costly_dep.
2192         * config/rs6000/rs6000.h (TARGET_POPCNTB): New.
2193         (TARGET_XL_COMPAT): Delete.
2194         * config/rs6000/rs6000.md (UNSPEC_POPCNTB): New.
2195         (popcount<mode>2): New.
2196         (popcntb<mode>2): New.
2197         * config/rs6000/rs6000.opt (mpopcntb): New.
2198
2199         * opt-functions.awk (var_set): Emit OPTION_MASK_ for InverseMask
2200         if variable name exists.
2201
2202 2005-05-07  Matt Kraai  <kraai@ftbfs.org>
2203
2204         * Makefile.in (c-gimplify.o): Depend on $(RTL_H) instead of rtl.h.
2205
2206 2005-05-07  Richard Henderson  <rth@redhat.com>
2207
2208         PR target/21412
2209         * config/rs6000/rs6000.c (rs6000_emit_move): Look for tls addresses
2210         with constant offsets.
2211
2212 2005-05-07  Nathan Sidwell  <nathan@codesourcery.com>
2213
2214         * config/v850/v850.c (print_operand): Use gcc_assert and
2215         gcc_unreachable, as appropriate.
2216         (print_operand_address, v850_handle_data_area_attribute,
2217         v850_encode_data_area, construct_restore_jr, construct_save_jarl,
2218         v850_insert_attributes, construct_prepare_instruction): Likewise.
2219         * config/v850/v850.h (INITIAL_ELIMINATION_OFFSET): Likewise.
2220         * config/v850/v850.md (movsicc, *sasf_1): Likewise.
2221
2222 2005-05-07  Kazu Hirata  <kazu@cs.umass.edu>
2223
2224         * tree-ssa-loop-ivcanon.c, config/i386/i386.c,
2225         config/rs6000/rs6000.h: Fix comment typos.
2226
2227 2005-05-07  Richard Sandiford  <rsandifo@redhat.com>
2228
2229         * doc/invoke.texi: Remove documentation for MIPS' -mint64 option.
2230         * config/mips/mips.c (TARGET_SCALAR_MODE_SUPPORTED_P): Delete.
2231         (mips_scalar_mode_supported_p): Delete.
2232
2233 2005-05-06  Eric Christopher  <echristo@redhat.com>
2234
2235         * config/mips/mips.opt: Remove -mint64 option.
2236         * config/mips/mips.c (override_options): Remove -mint64
2237         handling.
2238         * config/mips/mips.h (INT_TYPE_SIZE): Define to 32.
2239         * config/mips/linux.h (TARGET_OS_CPP_BUILTINS): Remove
2240         64-bit integer handling.
2241         * doc/invoke.texi (Option Summary): Remove -mint64 for
2242         mips.
2243
2244 2005-05-06  Zdenek Dvorak  <dvorakz@suse.cz>
2245
2246         PR tree-optimization/19401
2247         * tree-flow.h (tree_unroll_loops_completely): Declaration changed.
2248         * tree-ssa-loop-ivcanon.c (enum unroll_level): New.
2249         (estimated_unrolled_size): New function.
2250         (try_unroll_loop_completely, canonicalize_loop_induction_variables,
2251         tree_unroll_loops_completely): Always unroll loops if the code size
2252         does not increase.
2253         * tree-ssa-loop.c (tree_complete_unroll): Indicate whether all
2254         loops should be unrolled completely.
2255         (gate_tree_complete_unroll): Run complete unrolling unconditionally.
2256
2257 2005-05-06  Zdenek Dvorak  <dvorakz@suse.cz>
2258
2259         PR rtl-optimization/21254
2260         * loop-iv.c (iv_number_of_iterations): Simplify infiniteness
2261         assumptions for loops that otherwise do not roll.
2262         (find_simple_exit): Prefer # of iterations that is guaranteed
2263         not to be infinite.
2264         * loop-unroll.c (decide_peel_once_rolling,
2265         decide_peel_completely): Check whether the loop is infinite.
2266
2267 2005-05-06  Pat Haugen  <pthaugen@us.ibm.com>
2268
2269         * config/rs6000/sysv4.opt: Fix typo.
2270
2271 2005-05-06  Denis Vlasenko  <vda@port.imtp.ilyichevsk.odessa.ua>
2272             Jakub Jelinek  <jakub@redhat.com>
2273
2274         PR target/21329
2275         * config/i386/i386.c (ix86_expand_movmem): Don't use rep; movsb
2276         for -Os if (movsl;)*(movsw;)?(movsb;)? sequence is shorter.
2277         Don't use rep; movs{l,q} if the repetition count is really small,
2278         instead use a sequence of movs{l,q} instructions.
2279
2280 2005-05-06  Jeff Law  <law@redhat.com>
2281
2282         PR tree-optimization/21380
2283         * tree-ssa-threadupdate.c (thread_through_all_blocks): Do not
2284         thread through a block with no preds.
2285
2286 2005-05-06  Kazu Hirata  <kazu@cs.umass.edu>
2287
2288         * tree-ssa-operands.c (clobbered_v_may_defs, clobbered_vuses,
2289         ro_call_vuse, fini_ssa_operands, add_call_clobber_ops,
2290         add_call_read_ops): Use VEC instead of VARRAY.
2291
2292 2005-05-06  Nathan Sidwell  <nathan@codesourcery.com>
2293
2294         * config/mcore/mcore.c (mcore_print_operand_address): Use
2295         gcc_assert and gcc_unreachable as appropriate.
2296         (mcore_print_operand, mcore_gen_compare_reg, mcore_output_call,
2297         mcore_output_andn, output_inline_const, mcore_output_move,
2298         mcore_output_movedouble, mcore_expand_block_move,
2299         layout_mcore_frame, mcore_initial_elimination_offset,
2300         mcore_expand_prolog, mcore_mark_dllexport,
2301         mcore_mark_dllimport): Likewise.
2302         * config/mcore/mcore.h (switch_to_section): Likewise.
2303         * config/mcore/mcore.md: Likewise.
2304
2305 2005-05-06  Aldy Hernandez  <aldyh@redhat.com>
2306
2307         * config/rs6000/linux64.h: Remove MASK_PROFILE_KERNEL, and
2308         TARGET_PROFILE_KERNEL.
2309
2310         * config/rs6000/rs6000.c (output_profile_hook): Add comment to
2311         TARGET_PROFILE_KERNEL use.
2312
2313 2005-05-06  Nathan Sidwell  <nathan@codesourcery.com>
2314
2315         * config/m32r/m32r.c (m32r_encode_section_info): Use gcc_assert
2316         and gcc_unreachable, as appropriate.
2317         (gen_compare, gen_split_move_double, m32r_setup_incoming_varargs,
2318         m32r_expand_prologue, m32r_output_function_epilogue,
2319         m32r_legitimize_pic_address, m32r_print_operand_address,
2320         emit_cond_move, m32r_function_symbol,
2321         m32r_output_block_move): Likewise.
2322         * config/m32r/m32r.h (INITIAL_ELIMINATION_OFFSET): Likewise.
2323         * config/m32r/m32r.md ( *movsi_insn, *zero_branch_insn,
2324         *rev_zero_branch_insn): Likewise.
2325
2326 2005-05-06  Jakub Jelinek  <jakub@redhat.com>
2327
2328         PR c++/20961
2329         * varasm.c (merge_weak): Remove NEWDECL from WEAK_DECLS chain
2330         if both NEWDECL and OLDDECL are already weak.
2331
2332 2005-05-06  Richard Sandiford  <rsandifo@redhat.com>
2333
2334         * config/rs6000/sysv4.h (EXTRA_SUBTARGET_SWITCHES): Delete.
2335
2336 2005-05-05  J"orn Rennecke  <joern.rennecke@st.com>
2337             Kaz Kojima  <kkojima@gcc.gnu.org>
2338
2339         * config/sh/sh.c (sh_builtin_saveregs): Use copy_to_mode_reg
2340         and plus_constant.
2341
2342 2005-05-05  Aldy Hernandez  <aldyh@redhat.com>
2343             David Edelsohn  <edelsohn@gnu.org>
2344
2345         * config.gcc: Add .opt magic for the rs6000 ports.
2346
2347         * doc/invoke.texi: Document -mabi= option properly.  Document
2348         -misel and -mno-sel.  Document -mspe and -mno-spe.  Document
2349         -mvrsave and -mno-vrsave.  Document deprecation of -mspe= and
2350         -misel=.
2351
2352         * config/rs6000/aix.h: Remove XL_COMPAT stuff.  Remove
2353         SUBTARGET_SWITCHES and SUBSUBTARGET_SWITCHES.  Define
2354         TARGET_XL_COMPAT.
2355
2356         * config/rs6000/aix.opt: New.
2357         * config/rs6000/aix41.opt: New.
2358         * config/rs6000/aix64.opt: New.
2359         * config/rs6000/darwin.opt: New.
2360         * config/rs6000/linux64.opt: New.
2361         * config/rs6000/rs6000.opt: New.
2362         * config/rs6000/sysv4.opt: New.
2363
2364         * config/rs6000/sysv4.h: Delete definitions of MASK_* and
2365         associated TARGET_*.  Remove SUBTARGET_OPTIONS,
2366         SUBTARGET_SWITCHES.
2367         Define TARGET_USES_SYSV4_OPT.
2368         * config/rs6000/aix41.h: Remove SUBSUBTARGET_SWITCHES.
2369         * config/rs6000/aix43.h: Remove SUBSUBTARGET_SWITCHES.  Define
2370         TARGET_USES_AIX64_OPT.
2371         * config/rs6000/aix51.h: Same.
2372         * config/rs6000/aix52.h: Same.
2373         * config/rs6000/darwin.h: Remove SUBTARGET_SWITCHES,
2374         MASK_MACHO_DYNAMIC_NO_PIC, TARGET_MACHO_DYNAMIC_NO_PIC.
2375         Use TARGET_ALTIVEC_VRSAVE instead of rs6000_altivec_vrsave.
2376         Define TARGET_DYNAMIC_NO_PIC as TARGET_MACHO_DYNAMIC_NO_PIC.
2377         * config/rs6000/linux64.h: Use
2378         rs6000_explicit_options.  Remove EXTRA_SUBTARGET_SWITCHES.
2379
2380         * config/rs6000/rs6000.c: Remove definitions of
2381         rs6000_sched_restricted_insns_priority,
2382         rs6000_long_double_size_string, rs6000_altivec_vrsave,
2383         rs6000_altivec_vrsave_string, rs6000_isel, rs6000_spe,
2384         rs6000_float_gprs_string, rs6000_isel_string, rs6000_spe_string,
2385         rs6000_abi_string, rs6000_warn_altivec_long, rs6000_longcall,
2386         rs6000_alignment_string.  Define rs6000_explicit_options.
2387         (rs6000_parse_abi_options): Remove.
2388         (rs6000_parse_alignment_option): Remove.
2389         (rs6000_parse_float_gprs_option): Remove.
2390         (rs6000_handle_option): New.  Define TARGET_HANDLE_OPTION.  Define
2391         TARGET_DEFAULT_TARGET_FLAGS.
2392         (rs6000_override_options): Revamp to use new .opt machinery.
2393
2394         * config/rs6000/rs6000.h: Remove old MASK_* and TARGET_* in favor
2395         of new .opt machinery.  Remove target_flags.  Redefine
2396         TARGET_MFCRF and TARGET_POWERPC64.  Remove TARGET_SWITCHES,
2397         SUBTARGET_SWITCHES, TARGET_OPTIONS, SUBTARGET_OPTIONS,
2398         rs6000_float_gprs_string, rs6000_isel_string, rs6000_spe_string,
2399         rs6000_altivec_vrsave_string, rs6000_altivec_vrsave,
2400         rs6000_longcall_switch, rs6000_default_long_calls,
2401         rs6000_sched_costly_dep_str, rs6000_sched_costly_dep,
2402         rs6000_warn_altivec_long, rs6000_warn_altivec_long_switch, and
2403         TARGET_ALTIVEC_VRSAVE.
2404
2405 2005-05-05  Ralf Corsepius  <ralf.corsepius@rtems.org>
2406
2407         * config.gcc (hppa1.1-*-rtems*): Remove.
2408         * config/pa/rtems.h: Remove.
2409
2410 2005-05-05  Ralf Corsepius  <ralf.corsepius@rtems.org>
2411
2412         * config/rs6000/t-rtems (MULTILIB_NEW_EXCEPTIONS_ONLY):
2413         Exclude roe/603e multilib variants.
2414
2415 2005-05-04  Denis Chertykov  <denisc@overta.ru>
2416
2417         PR target/21284
2418         * config/avr/avr.c (avr_output_addr_vec_elt): Use special section
2419         for output.
2420
2421 2005-05-05  Richard Sandiford  <rsandifo@redhat.com>
2422
2423         * config.gcc (arm*-wince-pe*, arm-*-pe*, strongarm-*-pe): Add
2424         arm/pe.opt to $extra_options.
2425         * config/arm/arm.h (target_flags, target_fpu_name, target_fpe_name)
2426         (target_float_abi_name, target_float_switch, target_abi_name)
2427         (ARM_FLAG_APCS_FRAME, ARM_FLAG_POKE, ARM_FLAG_FPE, ARM_FLAG_APCS_STACK)
2428         (ARM_FLAG_APCS_FLOAT, ARM_FLAG_APCS_REENT, ARM_FLAG_BIG_END)
2429         (ARM_FLAG_INTERWORK, ARM_FLAG_LITTLE_WORDS, ARM_FLAG_NO_SCHED_PRO)
2430         (ARM_FLAG_ABORT_NORETURN, ARM_FLAG_SINGLE_PIC_BASE)
2431         (ARM_FLAG_LONG_CALLS, ARM_FLAG_THUMB, THUMB_FLAG_BACKTRACE)
2432         (THUMB_FLAG_LEAF_BACKTRACE, THUMB_FLAG_CALLEE_SUPER_INTERWORKING)
2433         (THUMB_FLAG_CALLER_SUPER_INTERWORKING, CIRRUS_FIX_INVALID_INSNS)
2434         (TARGET_APCS_FRAME, TARGET_POKE_FUNCTION_NAME, TARGET_FPE)
2435         (TARGET_APCS_STACK, TARGET_APCS_FLOAT, TARGET_APCS_REENT)
2436         (TARGET_BIG_END, TARGET_INTERWORK, TARGET_LITTLE_WORDS)
2437         (TARGET_NO_SCHED_PRO, TARGET_ABORT_NORETURN, TARGET_SINGLE_PIC_BASE)
2438         (TARGET_LONG_CALLS, TARGET_THUMB, TARGET_CALLER_INTERWORKING)
2439         (TARGET_CIRRUS_FIX_INVALID_INSNS, SUBTARGET_SWITCHES, TARGET_SWITCHES)
2440         (TARGET_OPTIONS, arm_cpu_select, arm_select,  structure_size_string)
2441         (arm_pic_register_string): Delete.
2442         (TARGET_BACKTRACE): Redefine using TARGET_TPCS_LEAF_FRAME and
2443         TARGET_TPCS_FRAME.
2444         (TARGET_DEFAULT, CONDITIONAL_REGISTER_USAGE): Update mask names.
2445         * config/arm/coff.h (TARGET_DEFAULT): Likewise.
2446         * config/arm/elf.h (TARGET_DEFAULT): Likewise.
2447         * config/arm/netbsd-elf.h (TARGET_DEFAULT): Likewise.
2448         * config/arm/netbsd.h (TARGET_DEFAULT): Likewise.
2449         * config/arm/semi.h (TARGET_DEFAULT): Likewise.
2450         * config/arm/uclinux-elf.h (TARGET_DEFAULT): Likewise.
2451         * config/arm/wince-pe.h (TARGET_DEFAULT): Likewise.
2452         * config/arm/pe.h (TARGET_DEFAULT): Likewise.
2453         (TARGET_FLAG_NOP_FUN, TARGET_NOP_FUN_DLLIMPORT): Delete.
2454         (SUBTARGET_SWITCHES): Delete.
2455         * config/arm/arm.c (target_float_switch): Delete.
2456         (arm_cpu_select): Moved from config/arm/arm.h.
2457         (target_fpu_name, target_fpe_name, target_float_abi_name)
2458         (target_abi_name, structure_size_string, arm_pic_register_string)
2459         (arm_select): Make static.
2460         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
2461         (arm_handle_option): New function.
2462         (arm_override_options): Update target_flags checks for new mask names.
2463         Remove target_float_switch code.
2464         (arm_expand_prologue, thumb_expand_prologue): Check
2465         !TARGET_SCHED_PROLOG instead of TARGET_NO_SCHED_PRO.
2466         * config/arm/arm.opt, config/arm/pe.opt: New files.
2467
2468 2005-05-05  Nathan Sidwell  <nathan@codesourcery.com>
2469
2470         * config/arc/arc.c (get_arc_condition_code): Use gcc_assert &
2471         gcc_unreachable as appropriate.
2472         (arc_double_limm_p, arc_setup_incoming_varargs,
2473         arc_compute_function_type, arc_output_function_prologue,
2474         arc_output_function_epilogue, arc_eligible_for_epilogue_delay,
2475         output_shift, arc_print_operand, arc_print_operand_address,
2476         arc_final_prescan_insn): Likewise.
2477         * config/arc/arc.md (*movdi_insn, *movdf_insn): Likewise.
2478
2479 2005-05-04  Geoffrey Keating  <geoffk@apple.com>
2480
2481         * config/rs6000/rs6000.md (P): Use TARGET_*BIT rather than
2482         comparing Pmode.
2483         (SDI): New.
2484         (cmp): Delete.
2485         (wd): New.
2486         (add<mode>3, add<mode>3_internal1, add<mode>3_internal2,
2487         add<mode>3_internal3, one_cmpl<mode>2, sub<mode>3, neg<mode>2,
2488         clz<mode>2, ctz<mode>2, ffs<mode>2): New.
2489         (addsi3, addsi3_internal1, addsi3_internal2, addsi3_internal3,
2490         (one_cmplsi2, subsi3, negsi2, clzsi2, ctzsi2, ffssi2): Remove.
2491         (adddi3, adddi3_internal1, adddi3_internal2, adddi3_internal3,
2492         (one_cmpldi2, subdi3, negdi2, clzdi2, ctzdi2, ffsdi2): Remove.
2493         (sync_compare_and_swap<mode>): Use <wd> rather than <cmp>.
2494
2495 2005-05-05  Paul Brook  <paul@codesourcery.com>
2496
2497         * Makefile.in: Replace dependencies on basic-block.h, c-pragma.h,
2498         cfgloop.h, diagnostic.h, insn-attr.h, langhooks-def.h, params.h,
2499         regs.h, system.h, tree-dump.h, tree-gimple.h, tree-scalar-evolution.h
2500         and tree-data-ref.h with *_H variables.
2501
2502 2005-05-05  Kelley Cook  <kcook@gcc.gnu.org>
2503
2504         * config/m32r/xm-m32r.h, config/m32r/xm-linux.h: Delete files.
2505
2506 2005-05-05  Kelley Cook  <kcook@gcc.gnu.org>
2507
2508         * system.h: Poison BYTEORDER and HOST_WORDS_BIG_ENDIAN.
2509
2510 2005-05-04  Gerald Pfeifer  <gerald@pfeifer.com>
2511
2512         * doc/contrib.texi (Contributors): Add Mostafa Hagog and Ayal Zaks.
2513
2514 2005-05-04 Fariborz Jahanian <fjahanian@apple.com>
2515
2516         * config/rs6000/rs6000.c (rs6000_emit_prologue): Emit
2517         setting of vrsave register for current function after
2518         call to save_world is emitted.
2519
2520 2005-05-05  Hans-Peter Nilsson  <hp@bitrange.com>
2521
2522         * config/mmix/predicates.md: New file.
2523         * config/mmix/mmix.c (mmix_symbolic_or_address_operand)
2524         (mmix_reg_or_constant_operand, mmix_reg_cc_operand)
2525         (mmix_foldable_comparison_operator, mmix_comparison_operator)
2526         (mmix_reg_or_0_operand, mmix_reg_or_8bit_operand): Remove.
2527         * config/mmix/mmix.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
2528         Don't define.
2529         * config/mmix/mmix.md: Include predicates.md.
2530         ("call", "call_value"): Force address to register if it isn't a
2531         mmix_symbolic_or_address_operand.
2532
2533 2005-05-04  Andrew MacLeod  <amacleod@redhat.com>
2534
2535         * tree-flow-inline.h (op_iter_init_use, op_iter_init_def): Assert that
2536         the flags are of appropriate types.
2537         (num_ssa_operands): Generalize using the generic interface.
2538         * tree-ssa-dce.c (remove_dead_stmt): Don't ask for kills on a DEF
2539         iterator.
2540
2541 2005-05-04  Richard Sandiford  <rsandifo@redhat.com>
2542
2543         * protoize.c (version_flag, quiet_flag, nochange_flag, nosave_flag)
2544         (keep_flag, local_flag, global_flag, cplusplus_flag): Make extern.
2545
2546 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
2547
2548         * tree-outof-ssa.c (edge_leader, stmt_list,
2549         analyze_edges_for_bb): Use VEC instead of VARRAY.
2550         (init_analayze_edges_for_bb, fini_analayze_edges_for_bb): New.
2551         (perform_edge_inserts): Call init_analayze_edges_for_bb and
2552         fini_analayze_edges_for_bb.
2553
2554 2005-05-04  James E Wilson  <wilson@specifixinc.com>
2555
2556         PR driver/21112
2557         * gcc.c (process_command): In the second argv scan loop, ignore
2558         Xassembler and Xpreprocessor, along with their argument.
2559
2560 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
2561
2562         * tree-flow-inline.h, tree-ssa-operands.c,
2563         tree-ssa-operands.h, tree-ssa-opfinalize.h:
2564         Likewise. tree-vn.c: Fix comment typos.
2565         * doc/passes.texi, doc/tree-ssa.texi: Fix typos.
2566
2567 2005-05-04  Paolo Bonzini  <bonzini@gnu.org>
2568
2569         * doc/tm.texi (Target Hooks): Document
2570         TARGET_RESOLVE_OVERLOADED_BUILTIN.
2571
2572 2005-05-04  Paul Brook  <paul@codesourcery.com>
2573
2574         * Makefile.in: Change dependencies on target.h to $(TARGET_H).
2575
2576 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
2577
2578         * dwarf2out.c (incomplete_types, retry_incomplete_types,
2579         gen_struct_or_union_type_die, dwarf2out_init): Use VEC instead
2580         of VARRAY.
2581
2582         * loop-unroll.c (var_to_expand, analyze_insn_to_expand_var,
2583         get_expansion, expand_var_during_unrolling,
2584         insert_var_expansion_initialization,
2585         combine_var_copies_in_loop_exit, release_var_copies): Use VEC
2586         instead of VARRAY.
2587
2588         * tree-ssa-loop-ivopts.c (rewrite_address_base): Don't call
2589         update_stmt.
2590
2591 2004-05-03  Andrew Pinski  <pinskia@physics.uc.edu>
2592
2593         PR middle-end/15618
2594         * fold-const.c (fold_widened_comparison): Treat BOOLEAN_TYPE
2595         the same as INTEGER_TYPE.
2596         (fold_binary): Fold "bool_var != 0" to bool_var.
2597         Fold "bool_var == 1" to bool_var.
2598
2599 2004-05-03  Richard Henderson  <rth@redhat.com>
2600
2601         PR middle-end/21318
2602         * function.c (instantiate_virtual_regs_in_insn): Use the mode
2603         from recog_data instead of insn_data.
2604
2605 2005-05-03  DJ Delorie  <dj@redhat.com>
2606
2607         * common.opt (fdiagnostics-show-option): No variable is needed.
2608         * diagnostic.h (diagnostic_context): Add show_option_requested flag.
2609         * diagnostic.c (diagnostic_initialize): Initialize show_option_requested.
2610         (diagnostic_report_diagnostic): Test for enabled diagnostics here.
2611         Save and restore original message format.  Use flag in context
2612         instead of global.
2613         (warning): Don't test for enabled warnings here.
2614         * opts.c (common_handle_option): Handle -fdiagnostics-show-option
2615         here.
2616
2617 2005-05-04  Kelley Cook  <kcook@gcc.gnu.org>
2618
2619         * config/m32r/xm-m32r.h: Don't define HOST_WORDS_BIG_ENDIAN.
2620         * config/m32r/xm-linux.h: Don't undefine HOST_WORDS_BIG_ENDIAN.
2621         * mips-tfile.c: Use WORDS_BIG_ENDIAN instead of HOST_WORDS_BIG_ENDIAN.
2622         * aclocal.m4: Don't include accross.m4.
2623         * configure.ac: Use AC_C_BIGENDIAN instead of AC_C_BIGENDIAN_CROSS.
2624         Use AC_CHECK_SIZEOF instead of AC_COMPILE_CHECK_SIZEOF.
2625         * configure, config.in: Regenerate.
2626
2627 2005-05-04  Jakub Jelinek  <jakub@redhat.com>
2628
2629         PR middle-end/21265
2630         * expr.h (enum block_op_methods): Add BLOCK_OP_TAILCALL.
2631         (clear_storage): Add argument.
2632         * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall):
2633         Add tailcall argument, set CALL_EXPR_TAILCALL of the CALL_EXPR to
2634         tailcall.
2635         (emit_block_move): Handle BLOCK_OP_TAILCALL method.
2636         (clear_storage): Add method argument, handle BLOCK_OP_TAILCALL.
2637         (store_expr, store_constructor): Adjust callers.
2638         * builtins.c (expand_builtin_memcpy): Pass BLOCK_OP_TAILCALL
2639         to emit_block_move if CALL_EXPR_TAILCALL (exp).
2640         (expand_builtin_memmove): Add ORIG_EXP argument, copy
2641         CALL_EXPR_TAILCALL from ORIG_EXP to the new CALL_EXPR.
2642         (expand_builtin_bcopy): Replace ARGLIST and TYPE arguments
2643         with EXP.  Pass EXP to expand_builtin_memmove.
2644         (expand_builtin_memset): Add ORIG_EXP argument, pass
2645         BLOCK_OP_TAILCALL to clear_storage if CALL_EXPR_TAILCALL (orig_exp).
2646         (expand_builtin_bzero): Replace ARGLIST argument with EXP.
2647         Pass EXP to expand_builtin_memset.
2648         (expand_builtin_strcmp): Copy CALL_EXPR_TAILCALL from EXP to
2649         the new CALL_EXPR.
2650         (expand_builtin_strncmp): Likewise.
2651         (expand_builtin_printf): Replace ARGLIST argument with EXP.
2652         Copy CALL_EXPR_TAILCALL from EXP to the new CALL_EXPR.
2653         (expand_builtin_fprintf): Likewise.
2654         (expand_builtin): Adjust calls to
2655         expand_builtin_{memmove,bcopy,memset,bzero,{,f}printf}.
2656
2657         * config/i386/i386.c (ix86_expand_vector_set): Fix setting 3rd and 4th
2658         item in V4SF mode.
2659
2660         PR rtl-optimization/21239
2661         * combine.c (combine_simplify_rtx) <case VEC_SELECT>: Fix a typo.
2662
2663 2005-05-03  Kazu Hirata  <kazu@cs.umass.edu>
2664
2665         * tree-flow.h (tree_ann_common_d): Move aux to ...
2666         (stmt_ann_d): ... here.
2667         * tree-ssa-loop-im.c (LIM_DATA, determine_invariantness_stmt,
2668         move_computations_stmt, schedule_sm): Update references to
2669         aux.
2670         * tree-vectorizer.h (set_stmt_info, vinfo_for_stmt): Likewise.
2671
2672         * tree-cfg.c (remove_bb): Remove a redundant call to
2673         set_bb_for_stmt.
2674         * tree-if-conv.c (replace_phi_with_cond_modify_expr):
2675         Likewise.
2676
2677 2005-05-03  Richard Henderson  <rth@redhat.com>
2678
2679         * config/rs6000/rs6000.c: Remove conflict markers.
2680
2681         * cfg.c (dump_flow_info): Use max_reg_num, not max_regno.
2682
2683 2005-05-03  James E Wilson  <wilson@specifixinc.com>
2684
2685         * dwarf2out.c (lookup_filename): Call maybe_emit_file.
2686
2687 2005-05-03  DJ Delorie  <dj@redhat.com>
2688
2689         * c-decl.c (store_parm_decls_oldstyle): Let diagnostic machinery
2690         decide if the warning will be printed.
2691         * calls.c (expand_call): Likewise.
2692         * function.c (init-function_start): Likewise.
2693
2694         * common.opt (-fdiagnostics-show-option): New.
2695         * opts.c (option_enabled): Accept the option index instead of a
2696         pointer to the option descriptor.
2697         * opts.h (option_enabled): Likewise.
2698         * toplev.c (print_switch_values): Pass option index, not option
2699         descriptor.
2700         * diagnostic.h (diagnostic_info): Add option_index.
2701         * diagnostic.c: Include opts.h.
2702         (diagnostic_set_info): Initialize option_index.
2703         (diagnostic_report_diagnostic): Amend option name if appropriate.
2704         (warning): Check to see if the specified warning is enabled.
2705         Store option index.
2706         * doc/invoke.texi (-fdiagnostics-show-options): Document.
2707
2708 2005-05-03  Richard Henderson  <rth@redhat.com>
2709
2710         * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Fix ALL_REGS and
2711         SPEC_OR_GEN_REGS definitions.
2712
2713 2005-05-03  Alexandre Oliva  <aoliva@redhat.com>
2714
2715         PR target/16888
2716         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Clear reg names
2717         for unavailable registers.
2718
2719 2005-05-03  Kazu Hirata  <kazu@cs.umass.edu>
2720
2721         * tree-cfg.c (tree_forwarder_block_p): Fix a typo.
2722
2723         * cfglayout.c (block_locators_blocks,
2724         insn_locators_initialize, insn_scope): Use VEC instead of
2725         VARRAY.
2726
2727         * tree-mudflap.c (deferred_static_decls, mudflap_enqueue_decl,
2728         mudflap_finish_file, mudflap_finish_file): Use VEC instead of
2729         VARRAY.
2730
2731 2005-05-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
2732
2733         * config/sparc/predicates.md (const_compl_high_operand): New.
2734         * config/sparc/sparc.c (sparc_emit_set_safe_HIGH64): Rename into
2735         gen_safe_HIGH64.
2736         (sparc_emit_set_const64_quick1): Adjust for above change.
2737         (sparc_emit_set_const64_quick2): Likewise.
2738         (sparc_emit_set_const64_longway): Likewise.
2739         (sparc_emit_set_const64): Likewise.
2740         * config/sparc/sparc.md (movhi_const64_special, movsi_const64_special,
2741         movdi_const64_special): Delete.
2742         (logical constant splitters): Use const_compl_high_operand.
2743
2744 2005-05-03  Richard Guenther  <rguenth@gcc.gnu.org>
2745
2746         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Use STRIP_TYPE_NOPS
2747         rather than STRIP_NOPS.
2748
2749 2005-05-03  Jakub Jelinek  <jakub@redhat.com>
2750
2751         PR rtl-optimization/21330
2752         * loop-unswitch.c (may_unswitch_on): Set *cinsn only when
2753         returning non-NULL.
2754         (unswitch_single_loop): Clear cinsn when retrying.
2755
2756         PR target/21297
2757         * config/i386/i386.c (legitimize_address): When canonicalizing
2758         ASHIFT into MULT, multiply by 1 << shift_count instead of
2759         1 << log2 (shift_count).
2760
2761 2005-05-03  Andrew MacLeod  <amacleod@redhat.com>
2762
2763         * lambda-code.c (gcc_loop_to_lambda_loop,
2764         lambda_loopnest_to_gcc_loopnest, phi_loop_edge_uses_def,
2765         stmt_is_bumper_for_loop, perfect_nest_p, replace_uses_of_x_with_y): Use
2766         generic operand interface.
2767         * tree-data-ref.c (find_data_references_in_loop): Use generic interface.
2768         * tree-dfa.c (collect_dfa_stats_r, mark_new_vars_to_rename): Use
2769         generic operand interface.
2770         * tree-flow-inline.h (delink_imm_use, link_imm_use_to_list,
2771         link_imm_use, link_imm_use_stmt, relink_imm_use, relink_imm_use_stmt,
2772         next_safe_imm_use, has_zero_uses, has_single_use, single_imm_use,
2773         num_imm_uses): Use ssa_use_operand_t.
2774         (get_def_ops, get_use_ops, get_v_may_def_ops, get_vuse_ops,
2775         get_v_must_def_ops): Delete.
2776         (get_def_from_ptr, get_phi_result_ptr): Get def directly now.
2777         (get_use_op_ptr, get_def_op_ptr, get_v_may_def_result_ptr,
2778         get_v_may_def_op_ptr, get_vuse_op_ptr, get_v_must_def_result_ptr,
2779         get_v_must_def_kill_ptr): Delete.
2780         (delink_stmt_imm_use): Move and use new operand interface.
2781         (op_iter_next_use, op_iter_next_def, op_iter_next_tree, op_iter_init,
2782         op_iter_next_tree): Use new operand implementation.
2783         (clear_and_done_ssa_iter): New.  Initialize a blank operand iterator.
2784         (op_iter_init_use, op_iter_init_def, op_iter_init_tree): Add iterator
2785         type check.
2786         (op_iter_next_mustdef, op_iter_next_maydef,
2787         op_iter_next_must_and_may_def): Delete. Replace with...
2788         (op_iter_next_maymustdef): New.  Combine must and may next operations.
2789         (op_iter_init_maydef, op_iter_init_mustdef,
2790         op_iter_init_must_and_may_def): Use new interface.
2791         (single_ssa_tree_operand ): New.  Process single operands only as trees.
2792         (single_ssa_use_operand): New.  Process single operands only as uses.
2793         (single_ssa_def_operand): New.  Process single operands only as defs.
2794         (zero_ssa_operands): New.  Return TRUE if there are zero operands of the
2795         specified types.
2796         (num_ssa_operands): New.  Count the number of specified operands.
2797         (compare_ssa_operands_equal): New.  Compare two statements' operands.
2798         (single_phi_def): New.  Return true if PHI has one def of the specified
2799         operand type.
2800         (op_iter_init_phiuse): New.  Initialize the iterator for PHI arguments.
2801         (op_iter_init_phidef): New.  Initialize the iterator for the PHI def.
2802         * tree-flow.h (struct immediate_use_iterator_d): Use ssa_use_operand_t.
2803         (struct stmt_ann_d): Operands field no longer require GTY().
2804         (vn_compute, vn_lookup_or_add, vn_add, vn_lookup): Change prototype.
2805         * tree-into-ssa.c (mark_def_sites): Use SSA_OP_VMUSTKILL.
2806         * tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb,
2807         dump_replaceable_exprs, rewrite_trees): Use generic interface.
2808         * tree-phinodes.c (make_phi_node, release_phi_node, resize_phi_node):
2809         Use use_operand_p instead of ssa_imm_use_t *.
2810         * tree-pretty-print.c (dump_vops): check if operands are active before
2811         dumping virtual operands.
2812         * tree-sra.c (sra_walk_function): Use ZERO_SSA_OPERANDS.
2813         * tree-ssa-ccp.c (likely_value): Use ZERO_SSA_OPERANDS.
2814         (ccp_fold): Use new interface.
2815         (ccp_visit_stmt): Remove unused variables and code.
2816         (convert_to_gimple_builtin): Insert statements before calling
2817         mark_new_vars_to_rename.
2818         * tree-ssa-copy.c (stmt_may_generate_copy): Use ZERO_SSA_OPERANDS.
2819         (copy_prop_visit_cond_stmt): Use generic interface.
2820         * tree-ssa-dom.c (struct expr_hash_elt): Use stmt pointer, not the
2821         annotation in table.
2822         (thread_across_edge): Use generic interface.
2823         (initialize_hash_element): Initialzie with stmt, not annotation.
2824         (eliminate_redundant_computations): Use generic interface.
2825         (record_equivalences_from_stmt): Pass stmt, not annotation.
2826         (avail_expr_hash, real_avail_expr_hash, avail_expr_eq): Use generic
2827         interface.
2828         * tree-ssa-dse.c (dse_optimize_stmt): Use ZERO_SSA_OPERANDS.
2829         * tree-ssa-loop-ivopts.c (find_invariants_stmt,
2830         find_interesting_uses_stmt, protect_loop_closed_ssa_form_use): Use
2831         generic operand interface.
2832         * tree-ssa-loop-niter.c (chain_of_csts_start, get_val_for): Use generic
2833         interface.
2834         * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Use Generic operand
2835         Interface.
2836         * tree-ssa-operands.c (struct opbuild_list_d): New.  Operand build type.
2837         (build_defs, build_uses, build_v_may_defs, build_vuses,
2838         build_v_must_defs): Change type to struct opbuild_list_d.
2839         (ops_active): New.  Operands active boolean.
2840         (operand_memory, operand_memory_index): New.  Operand memory managers.
2841         (allocate_def_optype, allocate_use_optype, allocate_v_may_def_optype,
2842         allocate_vuse_optype, allocate_v_must_def_optype): Delete.
2843         (free_uses, free_defs, free_vuses, free_v_may_defs, free_v_must_defs):
2844         Change from functions to static variable list heads.
2845         (opbuild_initialize_virtual): New.  Initialize a virtual build list.
2846         (opbuild_initialize_real): New.  Initialize a virtual build list.
2847         (opbuild_free): New.  Free a build list.
2848         (opbuild_num_elems): New.  Number of items in a list.
2849         (opbuild_append_real): New.  Add a real (tree *) operand.
2850         (opbuild_append_virtual): New.  Add and sort a virtual (tree) operand.
2851         (opbuild_first): New.  Return first element index in a list.
2852         (opbuild_next): New.  Return next element in a list.
2853         (opbuild_elem_real): New.  Return real element.
2854         (opbuild_elem_virtual): New.  Return virtual element.
2855         (opbuild_elem_uid): New.  Return UID of virtual element.
2856         (opbuild_clear): New.  Reset an operand list.
2857         (opbuild_remove_elem): New.  Remove an element form a list.
2858         (ssa_operands_active): New.  Return true if operand cache is active.
2859         (init_ssa_operands, fini_ssa_operands): Initialize new implementation.
2860         (ssa_operand_alloc): New.  Allocate memory from an operand chunk.
2861         (correct_use_link): Use use_operand_p.
2862         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_defs,
2863         finalize_ssa_vuses, finalize_ssa_v_must_defs): New implmentation.
2864         (cleanup_v_may_defs): Use new implmentation.
2865         (finalize_ssa_stmt_operands, start_ssa_stmt_operands): New
2866         implementation.
2867         (append_def, append_use, append_v_may_def, append_vuse,
2868         append_v_must_def): Call opbuild_append routine instead of using varray.
2869         (build_ssa_operands): Simplify to simply use stmt, don't maintain a
2870         global parse_old_ops variable.
2871         (free_ssa_operands): New implementation.
2872         (update_stmt_operands): Move.  Change argument to build_ssa_operands.
2873         (copy_virtual_operands): Move. New generic implementation.
2874         (create_ssa_artficial_load_stmt): Move. New implementation.
2875         (swap_tree_operands): Update for new implementation.
2876         (get_expr_operands): Add stmt parameter to calls to swap_tree_operands.
2877         (add_call_clobber_ops, add_call_read_ops): Initialize opbuild list
2878         rather than a varray.
2879         (verify_imm_links): Use use_operand_p.
2880         (dump_immediate_uses_for): If the immediate use variable is a virtual
2881         variable, show the virtual ops in the stmt.
2882         * tree-ssa-operands.h (def_operand_p): No longer a structure.
2883         (NULL_DEF_OPERAND_P): Now a #define.
2884         (def_optype_d, use_optype_d, v_def_use_operand_type, v_may_def_optype_d,
2885         vuse_operand_type, vuse_optype_d, v_must_def_optype_d): Delete.
2886         (def_optype_d, use_optype_d, maydef_optype_d, vuse_optype_d,
2887         mustdef_optype_d): New.  Use Linked list representation.
2888         (SSA_OPERAND_MEMORY_SIZE): New.  Size of operand memory chunk.
2889         (struct ssa_operand_memory_d): New.  Allocated Chunk node.
2890         (struct stmt_operands_d): Change to new pointers that are not GTY.
2891         (STMT_USE_OPS, NUM_USES, SET_USE_OP, STMT_DEF_OPS, NUM_DEFS, SET_DEF_OP,
2892         STMT_V_MAY_DEF_OPS, NUM_V_MAY_DEFS, SET_V_MAY_DEF_RESULT,
2893         SET_V_MAY_DEF_OP, STMT_VUSE_OPS, NUM_VUSES, SET_VUSE_OP,
2894         STMT_V_MUST_DEF_OPS, NUM_V_MUST_DEFS, SET_V_MUST_DEF_RESULT,
2895         SET_V_MUST_DEF_KILL): Delete.
2896         (V_MAY_DEF_OPS, V_MAY_DEF_RESULT_PTR, V_MAY_DEF_RESULT,
2897         V_MAY_DEF_OP_PTR, V_MAY_DEF_OP): Rename to MAYDEF_*.
2898         (V_MUST_DEF_OPS, V_MUST_DEF_RESULT_PTR, V_MUST_DEF_RESULT,
2899         V_MUST_DEF_KILL_PTR, V_MUST_DEF_KILL): Rename to MUSTDEF_*.
2900         (enum ssa_op_iter_type): Operand iterator typechecking values.
2901         (struct ssa_operand_iterator_d): Use linked lists of operands.
2902         (SSA_OP_VMUSTDEFKILL): Rename to SSA_OP_VMUSTKILL.
2903         (FOR_EACH_SSA_MAYDEF_OPERAND, FOR_EACH_SSA_MUSTDEF_OPERAND,
2904         FOR_EACH_SSA_MUST_AND_MAY_DEF_OPERAND): Use op_iter_next_maymustdef.
2905         (FOR_EACH_PHI_ARG): New.  Iterate over PHI arguments.
2906         (FOR_EACH_PHI_OR_STMT_USE): New.  Iterate over PHI or stmt uses.
2907         (FOR_EACH_PHI_OR_STMT_DEF): New.  Iterate over PHI or stmt defs.
2908         (SINGLE_SSA_TREE_OPERAND, SINGLE_SSA_USE_OPERAND,
2909         SINGLE_SSA_DEF_OPERAND, ZERO_SSA_OPERANDS, NUM_SSA_OPERANDS): New.
2910         * tree-ssa-opfinalize.h: New.  Function templates for expansion.
2911         (FINALIZE_ALLOC): Expands into alloc_def, alloc_use, alloc_maydef,
2912         alloc_vuse, and alloc_mustdef.
2913         (FINALIZE_FUNC): Expands into finalize_ssa_def_ops,
2914         finalize_ssa_use_ops, finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
2915         and finalize_ssa_v_must_def_ops.
2916         * tree-ssa-pre.c (add_to_sets): Pass tree to vn_add.
2917         (create_value_expr_from): Use stmt not vuse_optype as a parameter. Pass
2918         stmt around.
2919         (compute_avail): Use generic iterator interface.
2920         * tree-ssa-propagate.c (first_vdef): Use generic operand interface.
2921         (stmt_makes_single_load, stmt_makes_single_store): Use
2922         ZERO_SSA_OPERANDS.
2923         * tree-ssa-sink.c (is_hidden_global_store): Use ZERO_SSA_OPERANDS.
2924         (statement_sink_location): Use generic interface.
2925         * tree-ssa.c (verify_ssa):  Use %p in fprintf.  Use generic interface.
2926         (delete_tree_ssa): Don't call release_defs.  Call release_ssa_name and
2927         reset the immediate use link nodes.
2928         (stmt_references_memory_p): Use ZERO_SSA_OPERANDS.
2929         * tree-ssanames.c (make_ssa_name): Use use_operand_p.
2930         * tree-tailcall.c (find_tail_calls): Use ZERO_SSA_OPERANDS.
2931         (eliminate_tail_call): Use generic operand interface.
2932         * tree-vect-analyze.c (vect_analyze_data_refs): Use ZERO_SSA_OPERANDS.
2933         (vect_mark_relevant, vect_mark_stmts_to_be_vectorized): Use generic
2934         interface.
2935         * tree-vect-transform.c (update_vuses_to_preheader): Use generic
2936         interface.
2937         * tree-vectorizer.c (rename_variables_in_bb): Use generic interface.
2938         * tree-vn.c (struct val_expr_pair_d): Cache statment pointer instead of
2939         vuse_optype.
2940         (vn_compute, val_expr_pair_hash, vn_add, vn_lookup, vn_lookup_or_add):
2941         Use statement pointer instead of vuse_optype.  Use generic interface.
2942         * tree-vrp.c (maybe_add_assert_expr): Use generic interface.
2943         (stmt_interesting_for_vrp, vrp_visit_stmt): Use ZERO_SSA_OPERANDS.
2944         * tree.h (struct ssa_imm_use_d): Renamed to ssa_use_operand_d.
2945         (tree_ssa_name, phi_arg_d): Use ssa_use_operand_d.
2946         * doc/tree-ssa.texi: Update documentation for operand interface.
2947
2948 2005-05-03  Nathan Sidwell  <nathan@codesourcery.com>
2949
2950         * config/darwin.c (machopic_define_symbol): Use gcc_assert or
2951         gcc_unreachable as appropriate.
2952         (machopic_function_base_name, machopic_indirect_data_reference,
2953         machopic_legitimize_pic_address, darwin_non_lazy_pcrel): Likewise.
2954         * config/host-darwin.c (darwin_gt_pch_use_address): Likewise
2955         * config/rs6000/altivec.md (*mov<mode>_internal,
2956         build_vector_mask_for_load): Likewise.
2957         * config/rs6000/darwin.md (movdf_low_si, movdf_low_di,
2958         *call_nonlocal_darwin64, *call_value_nonlocal_darwin64,
2959         *sibcall_symbolic_64, *sibcall_value_symbolic_64): Likewise.
2960         * config/rs6000/predicates.md (easy_fp_constant,
2961         logical_operand): Likewise.
2962         * config/rs6000/rs6000.c (spe_expand_predicate_builtin,
2963         compute_save_world_info, rs6000_emit_prologue,
2964         rs6000_output_mi_thunk): Reword comments to avoid 'abort'.
2965         * config/rs6000/host-darwin.c (segv_handler): Use fancy_abort
2966         directly.
2967
2968 2005-05-03  Uros Bizjak  <uros@kss-loka.si>
2969
2970         PR middle-end/21282
2971         * convert.c (convert_to_integer): Convert ceil and floor in
2972         c99 mode only.
2973
2974 2005-04-29  Geoffrey Keating  <geoffk@apple.com>
2975
2976         PR target/20813
2977         * config/rs6000/rs6000.md (floatsidf2_internal): Merge to create
2978         define_insn_and_split.  Split only when memory operand is
2979         offsettable.  Use adjust_address rather than plus_constant.
2980         (floatunssidf2_internal): Likewise.
2981         (fix_truncdfsi2_internal): Split only when memory operand is
2982         offsettable.  Use adjust_address rather than plus_constant.
2983         (fix_trunctfsi2_internal): Likewise.
2984         (floatsidf2_internal): Likewise.
2985
2986 2005-05-02  Diego Novillo  <dnovillo@redhat.com>
2987
2988         * tree-vrp.c (set_value_range_to_nonnull): Declare inline.
2989         (set_value_range_to_null): Likewise.
2990         (set_value_range_to_varying): New function.  Use it in all
2991         call sites that used to call set_value_range (vr, VR_VARYING, ...).
2992         (extract_range_from_assert): If the integral type has a
2993         super-type, and LIMIT is not within MIN and MAX values of that
2994         type, set the resulting range to VR_VARYING.
2995
2996 2005-05-02  Hans-Peter Nilsson  <hp@bitrange.com>
2997
2998         * config/mmix/mmix.opt: New file.
2999         * config/mmix/mmix.h: Move options-related comments to mmix.opt.
3000         (mmix_cc1_ignored_option): Don't declare.
3001         (TARGET_OPTIONS, TARGET_MASK_LIBFUNCS, TARGET_MASK_ABI_GNU)
3002         (TARGET_MASK_FCMP_EPSILON, TARGET_MASK_ZERO_EXTEND)
3003         (TARGET_MASK_KNUTH_DIVISION, TARGET_MASK_TOPLEVEL_SYMBOLS)
3004         (TARGET_MASK_BRANCH_PREDICT, TARGET_MASK_USE_RETURN_INSN)
3005         (TARGET_MASK_BASE_ADDRESSES, TARGET_LIBFUNC, TARGET_ABI_GNU,
3006         (TARGET_FCMP_EPSILON, TARGET_ZERO_EXTEND, TARGET_KNUTH_DIVISION)
3007         (TARGET_TOPLEVEL_SYMBOLS, TARGET_BRANCH_PREDICT)
3008         (TARGET_BASE_ADDRESSES, TARGET_USE_RETURN_INSN, TARGET_SWITCHES):
3009         Don't define.
3010         (TARGET_DEFAULT): Change TARGET_MASK_... to MASK_...
3011         * config/mmix/mmix.c (mmix_cc1_ignored_option): Remove.
3012         (TARGET_DEFAULT_TARGET_FLAGS): Override default.
3013
3014 2005-05-02  Joseph S. Myers  <joseph@codesourcery.com>
3015
3016         PR c/15698
3017         * c-tree.h (C_DECL_BUILTIN_PROTOTYPE): New.
3018         * c-decl.c (current_function_prototype_built_in,
3019         current_function_prototype_arg_types): New.
3020         (merge_decls): Keep source location of prototype followed by
3021         nonprototype declaration.  Update C_DECL_BUILTIN_PROTOTYPE.
3022         (builtin_function): Set C_DECL_BUILTIN_PROTOTYPE.
3023         (start_function): Always set current_function_prototype_locus,
3024         current_function_prototype_built_in and
3025         current_function_prototype_arg_types.  Check for external
3026         prototype whether or not visible for external function and set
3027         current_function_prototype_arg_types accordingly.
3028         (store_parm_decls_oldstyle): Use
3029         current_function_prototype_arg_types for checking old-style
3030         definition against prototype.  Give warnings only if
3031         current_function_prototype_built_in).
3032
3033 2005-05-02  Daniel Jacobowitz  <dan@codesourcery.com>
3034
3035         * ggc.h (ggc_alloc_zone_pass_stat): New macro.
3036         (ggc_alloc_zone_stat): Don't define.
3037         * ggc-zone.c (ggc_alloc_typed_stat, ggc_alloc_stat): Use
3038         ggc_alloc_zone_pass_stat.
3039         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Likewise.
3040         * tree.c (make_node_stat, copy_node_stat, make_tree_binfo_stat)
3041         (make_tree_vec_stat, tree_cons_stat, build1_stat): Likewise.
3042
3043 2005-05-02  Daniel Jacobowitz  <dan@codesourcery.com>
3044
3045         * calls.c (expand_call): Handle current_function_pretend_args_size
3046         when checking for sibcalls.
3047
3048 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
3049
3050         PR tree-optimization/21294
3051         * tree-vrp.c (vrp_expr_computes_nonzero): New.
3052         (extract_range_from_expr): Call vrp_expr_computes_nonzero.
3053
3054 2005-05-02  Janis Johnson  <janis187@us.ibm.com>
3055
3056         PR 19985
3057         * gcov-io.h: Declare gcov external functions hidden.
3058
3059 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
3060
3061         * tree-ssa-uncprop.c (equiv_hash_elt, remove_equivalence,
3062         record_equiv, tree_ssa_uncprop, uncprop_into_successor_phis):
3063         Use VEC instead of VARRAY.
3064         (equiv_free): New.
3065
3066         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Factor
3067         out common code.
3068
3069 2005-05-02  Paolo Bonzini  <bonzini@gnu.org>
3070
3071         * c-common.c (resolve_overloaded_builtin): Forward to target
3072         hook for BUILT_IN_MD built-ins.
3073         * c-typeck.c (finish_call_expr): Call resolve_overloaded_builtin
3074         for all types of built-in.
3075         * target-def.h (TARGET_RESOLVE_OVERLOADED_BUILTIN): New.  Use it
3076         in the definition of the target hooks struct.
3077         * target.h (struct gcc_target): Add resolve_overloaded_builtin.
3078         * config/rs6000/altivec.h: Rewritten.
3079         * config/rs6000/rs6000-c.c (struct altivec_builtin_types,
3080         altivec_resolve_overloaded_builtin, altivec_build_resolved_builtin,
3081         rs6000_builtin_type, rs6000_builtin_type_compatible,
3082         altivec_overloaded_builtins, rs6000_builtin_type,
3083         rs6000_builtin_type_compatible): New.
3084         * config/rs6000/rs6000.c (rs6000_builtin_types, rs6000_builtin_decls):
3085         New.
3086         (def_builtin): Turn into a function.  Check for duplicates and store
3087         the builtin into rs6000_builtin_decls.
3088         (bdesc_3arg, bdesc_dst, bdesc_altivec_preds, bdesc_2arg,
3089         bdesc_1arg): Add overloaded builtins.
3090         (altivec_expand_builtin): Check for unresolved overloaded builtins,
3091         do not support ALTIVEC_COMPILETIME_ERROR.
3092         (rs6000_init_builtins): Add opaque 128-bit vector, and internal
3093         nodes to represent front-end types.
3094         (altivec_init_builtins, rs6000_common_init_builtins): Create builtins
3095         with opaque arguments and/or return values.
3096         * config/rs6000/rs6000.h (enum rs6000_builtins): Remove
3097         ALTIVEC_COMPILETIME_ERROR and add Altivec overloaded builtins.
3098         (rs6000_builtin_type_index): New.
3099         (is_ev64_opaque_type): Rename to...
3100         (rs6000_is_opaque_type): ... this.
3101         (rs6000_cpu_cpp_builtins): Install the resolve_overloaded_builtin
3102         target hook.
3103
3104 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
3105
3106         * function.c (reorder_blocks, reorder_blocks_1): Use VEC
3107         instead of VARRAY.
3108
3109 2005-05-02  Nathan Sidwell  <nathan@codesourcery.com>
3110             Bernd Schmidt  <bernd.schmidt@analog.com>
3111
3112         * config/bfin/bfin.c (emit_link_insn, effective_address_32bit_p,
3113         print_address_operand, print_operand, legitimize_pic_address,
3114         asm_conditional_branch, bfin_gen_compare, output_push_multiple,
3115         output_pop_multiple): Use gcc_assert or gcc_unreachable as
3116         appropriate.
3117         * config/bfin/bfin.md (movsf splitter, beq, bne): Likewise.
3118
3119 2005-05-02  Dorit Naishlos  <dorit@il.ibm.com>
3120
3121         * doc/passes.texi: Document vectorization pass.
3122
3123 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
3124
3125         * tree-scalar-evolution.c (get_exit_conditions_rec,
3126         select_loops_exit_conditions,
3127         number_of_iterations_for_all_loops,
3128         analyze_scalar_evolution_for_all_loop_phi_nodes,
3129         scev_analysis): Use VEC instead of VARRAY.
3130
3131 2005-05-02  Michael Matz  <matz@suse.de>
3132
3133         PR c++/19542
3134         * c-common.c (c_common_nodes_and_builtins): Create global null_node.
3135         (warn_strict_null_sentinel): Define.
3136         (check_function_sentinel): Check for null_node as valid sentinel too.
3137         * c-common.h (c_tree_index): Added CTI_NULL.
3138         (null_node) Define global_tree[CTI_NULL].
3139         (warn_strict_null_sentinel): Declare.
3140         * c-opts.c: (c_common_handle_option): Handle -Wstrict-null-sentinel.
3141         * c.opt: (Wstrict-null-sentinel): New C++ option.
3142         * doc/invoke.texi (C++ Options): Document -Wstrict-null-sentinel.
3143
3144 2005-05-01  Kazu Hirata  <kazu@cs.umass.edu>
3145
3146         * gimplify.c (gimplify_compound_lval): Use VEC instead of
3147         VARRAY.
3148
3149         * global.c (calculate_reg_pav): Use VEC instead of VARRAY.
3150
3151         * dwarf2out.c (decl_scope_table, push_decl_scope,
3152         pop_decl_scope, scope_die_for, dwarf2out_init): Use VEC
3153         instead of VARRAY.
3154
3155 2005-05-01  Mark Mitchell  <mark@codesourcery.com>
3156
3157         PR C++/14391
3158         * c-cppbuiltin.c (c_cpp_builtins): Do not define __GXX_WEAK__ to 1
3159         if !flag_weak.
3160         * doc/cpp.texi (__DEPRECATED): Document.
3161         (__EXCEPTIONS): Likewise.
3162         (__GXX_WEAK__): Likewise.
3163
3164         * function.c (INVOKE__main): Do not define.
3165         (expand_main_function): Check HAS_INIT_SECTION when determining
3166         whether or not to call __main.
3167
3168 2005-05-01  Kazu Hirata  <kazu@cs.umass.edu>
3169
3170         * tree-ssa-loop-ivopts.c: Fix a comment typo.
3171
3172 2005-01-05  Paul Brook  <paul@codesourcery.com>
3173
3174         * config/arm/arm.h (ARM_EMIT_TRAMPOLINE_CACHE_CLEAR): Define.
3175         (INITIALIZE_TRAMPOLINE): Use it.
3176         * config/arm/linux-gas.h (INITIALIZE_TRAMPOLINE): Remove.
3177         * config/arm/netbsd.h (INITIALIZE_TRAMPOLINE): Remove.
3178         * config/arm/netbsd-elf.h (INITIALIZE_TRAMPOLINE): Remove.
3179
3180 2005-05-01  Gerald Pfeifer  <gerald@pfeifer.com>
3181
3182         * doc/install.texi (Specific): Omit dots in the @anchors names
3183         for i?86-*-sco3.2v5*, i?86-*-solaris2.10, and sparc-sun-solaris2.7.
3184         Omit underscores for x86_64-*-* and the "all ELF targets" entry.
3185
3186 2005-05-01  Zdenek Dvorak  <dvorakz@suse.cz>
3187
3188         PR tree-optimization/18316
3189         PR tree-optimization/19126
3190         * tree.c (build_int_cst_type): Avoid shift by size of type.
3191         * tree-scalar-evolution.c (simple_iv): Add allow_nonconstant_step
3192         argument.
3193         * tree-scalar-evolution.h (simple_iv): Declaration changed.
3194         * tree-ssa-loop-ivopts.c (struct iv_cand): Add depends_on
3195         field.
3196         (dump_cand): Dump depends_on information.
3197         (determine_biv_step): Add argument to simple_iv call.
3198         (contains_abnormal_ssa_name_p): Handle case expr == NULL.
3199         (find_bivs, find_givs_in_stmt_scev): Do not require step to be a
3200         constant.
3201         (add_candidate_1): Record depends_on for candidates.
3202         (tree_int_cst_sign_bit, constant_multiple_of): New functions.
3203         (get_computation_at, get_computation_cost_at, may_eliminate_iv):
3204         Handle ivs with nonconstant step.
3205         (iv_ca_set_remove_invariants, iv_ca_set_add_invariants): New functions.
3206         (iv_ca_set_no_cp, iv_ca_set_cp): Handle cand->depends_on.
3207         (create_new_iv): Unshare the step before passing it to create_iv.
3208         (free_loop_data): Free cand->depends_on.
3209         (build_addr_strip_iref): New function.
3210         (find_interesting_uses_address): Use build_addr_strip_iref.
3211         (strip_offset_1): Split the recursive part from strip_offset.
3212         Strip constant offset component_refs and array_refs.
3213         (strip_offset): Split the recursive part to strip_offset_1.
3214         (add_address_candidates): Removed.
3215         (add_derived_ivs_candidates): Do not use add_address_candidates.
3216         (add_iv_value_candidates): Add candidates with stripped constant
3217         offset.  Consider all candidates with initial value 0 important.
3218         (struct affine_tree_combination): New.
3219         (aff_combination_const, aff_combination_elt, aff_combination_scale,
3220         aff_combination_add_elt, aff_combination_add,
3221         tree_to_aff_combination, add_elt_to_tree, aff_combination_to_tree,
3222         fold_affine_sum): New functions.
3223         (get_computation_at): Use fold_affine_sum.
3224         * tree-ssa-loop-manip.c (create_iv): Handle ivs with nonconstant step.
3225         * tree-ssa-loop-niter.c (number_of_iterations_exit): Add argument
3226         to simple_iv call.
3227
3228 2005-04-30  Michael Matz  <matz@suse.de>
3229
3230         * config/i386/i386.md (movmemsi): Also active when
3231         TARGET_INLINE_ALL_STRINGOPS.
3232
3233 2005-04-30  Eric Botcazou  <ebotcazou@libertysurf.fr>
3234
3235         PR bootstrap/20633
3236         * config/freebsd-spec.h (FBSD_CPP_SPEC): Add %(cpp_arch).
3237
3238 2005-04-30  Paul Brook  <paul@codesourcery.com>
3239
3240         * config/arm/bpabi.h (RENAME_LIBRARY_SET): Always use .thumb_set in
3241         thumb mode.
3242         * config/arm/ieee754-df.S: Use __INTERWORKING_STUBS__.
3243         * config/arm/ieee754-sf.S: Ditto.
3244         * config/arm/lib1funcs.asm: Define and use __INTERWORKING_STUBS__.
3245         (FUNC_ALIAS): Use .thumb_set for thumb routines.
3246
3247 2005-04-30  Kazu Hirata  <kazu@cs.umass.edu>
3248
3249         * tree-ssanames.c: Fix a comment typo.
3250         * doc/options.texi: Fix a typo.
3251
3252 2005-04-30  Nathan Sidwell  <nathan@codesourcery.com>
3253
3254         * config/h8300/h8300.c (byte_reg): Use gcc_assert and
3255         gcc_unreachable as appropriate.
3256         (split_adds_subs, cond_string, print_operand,
3257         h8300_initial_elimination_offset, h8300_classify_operand,
3258         h8300_unary_length, h8300_short_immediate_length,
3259         h8300_bitfield_length, h8300_binary_length,
3260         h8300_insn_length_from_table, compute_mov_length, output_plussi,
3261         compute_plussi_length, compute_plussi_cc, output_logical_op,
3262         compute_logical_op_length, compute_logical_op_cc,
3263         output_h8sx_shift, get_shift_alg, h8300_shift_needs_scratch_p,
3264         output_a_shift, compute_a_shift_length, compute_a_shift_cc,
3265         output_a_rotate, compute_a_rotate_length, fix_bit_operand,
3266         h8300_regs_ok_for_stm): Likewise.
3267         * config/h8300/h8300.md (*movsi_h8300, *movsf_h8300,
3268         monitor_prologue): Likewise.
3269
3270 2005-04-30  Kazu Hirata  <kazu@cs.umass.edu>
3271
3272         * loop-invariant.c (invariants, create_new_invariant,
3273         get_inv_cost, best_gain_for_invariant,
3274         find_invariants_to_move, move_invariants,
3275         init_inv_motion_data, free_inv_motion_data): Use VEC instead
3276         of VARRAY.
3277
3278 2005-04-29  Richard Henderson  <rth@redhat.com>
3279
3280         * function.c (instantiate_decls): Remove valid_only argument.
3281         (instantiate_decls_1, instantiate_decl): Likewise.
3282         (instantiate_virtual_regs_1): Delete.
3283         (instantiate_virtual_regs_lossage): Delete.
3284         (instantiate_virtual_regs_in_rtx): New.
3285         (safe_insn_predicate): New.
3286         (instantiate_virtual_regs_in_insn): New.
3287         (instantiate_virtual_regs): Update to match all that.  Only run
3288         instantiate_decls once.
3289
3290 2005-04-29  Richard Henderson  <rth@redhat.com>
3291             Daniel Jacobowitz  <dan@codesourcery.com>
3292
3293         * gengtype.c (write_func_for_structure): Split out ...
3294         (output_type_enum): ... new function.  Fix thinko accessing
3295         TYPE_PARAM_STRUCT data.
3296
3297 2005-04-29  Tom Tromey  <tromey@redhat.com>
3298
3299         * tree.c (build_block): Removed unused 'tags' argument.
3300         * tree.h (build_block): Removed argument.
3301
3302 2005-04-29  Michael Matz  <matz@suse.de>
3303
3304         PR rtl-optimization/21144
3305         * postreload.c (reload_cse_move2add): Check for VOIDmode.
3306
3307 2005-04-29  Bob Wilson  <bob.wilson@acm.org>
3308
3309         * config/xtensa/xtensa.h (OPTIMIZATION_OPTIONS): Define to disable
3310         flag_reorder_blocks.
3311
3312 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
3313
3314         PR tree-optimization/21030
3315         * tree-vrp.c (adjust_range_with_scev): Do not create invalid
3316         ranges where VR->MAX is smaller than VR->MIN.
3317
3318 2005-04-29  Devang Patel  <dpatel@apple.com>
3319
3320         PR tree-optimization/21272
3321         PR tree-optimization/21266
3322         * tree-if-conv.c (find_phi_replacement_condition): Fix think-o.
3323
3324 2005-04-29  Kazu Hirata  <kazu@cs.umass.edu>
3325
3326         * tree-flow-inline.h: Fix a comment typo.
3327         * doc/tree-ssa.texi: Fix a typo.
3328
3329         * tree-flow-inline.h, tree-ssa-operands.c: Fix comment typos.
3330
3331 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
3332
3333         * config/fr30/fr30.c (fr30_expand_prologue): Use gcc_assert and
3334         gcc_unreachable as appropriate.
3335         (fr30_expand_epilogue, fr30_setup_incoming_varargs,
3336         fr30_print_operand, fr30_move_double): Likewise.
3337         * config/fr30/fr30.md (*movsi_internal, *movsf_internal): Likewise.
3338
3339 2005-04-29  Mark Mitchell  <mark@codesourcery.com>
3340
3341         * config/arm/arm.h (ARM_EABI_CTORS_SECTION_OP): Do not define if a
3342         definition has already been provided.
3343         (ARM_EABI_DTORS_SECTION_OP): Likewise.
3344         * config/arm/symbian.h (ARM_EABI_CTORS_SECTION_OP): Define.
3345         (ARM_EABI_DTORS_SECTION_OP): Likewise.
3346
3347 2005-04-29  Jim Tison  <jtison@us.ibm.com>
3348
3349         * config/s390/s390.md ("prologue_tpf", "epilogue_tpf"): Alter
3350         trace hooks calls to improve performance.
3351
3352 2005-04-29  Julian Brown  <julian@codesourcery.com>
3353             Mark Mitchell  <mark@codesourcery.com>
3354             Paul Brook  <paul@codesourcery.com>
3355
3356         * crtstuff.c: Handle targets that use .init_array.
3357         * function.c (HAS_INIT_SECTION): Do not define. Instead, make sure
3358         that INVOKE__main is set correctly.
3359         (expand_main_function): Test INVOKE__main.
3360         * libgcc2.c: Do not define __main when using .init_array.
3361         * config/arm/arm.c (arm_elf_asm_constructor): New function.
3362         * config/arm/arm.h (CTORS_SECTION_ASM_OP): Define, with specialized
3363         libgcc version.
3364         (DTORS_SECTION_ASM_OP): Likewise.
3365         (CTOR_LIST_BEGIN): Define specially when in libgcc.
3366         (CTOR_LIST_END): Likewise.
3367         (DTOR_LIST_BEGIN): Likewise.
3368         (DTOR_LIST_END): Likewise.
3369         * config/arm/bpapi.h (INIT_SECTION_ASM_OP): Do not define it.
3370         (FINI_SECTION_ASM_OP): Likewise.
3371         (INIT_ARRAY_SECTION_ASM_OP): Define.
3372         (FINI_ARRAY_SECTION_ASM_OP): Likewise.
3373         * config/arm/elf.h (TARGET_ASM_CONSTRUCTOR): Define.
3374         (SUPPORTS_INIT_PRIORITY): Evaluate to false for EABI based targets.
3375         * doc/tm.texi (INIT_ARRAY_SECTION_ASM_OP): Document.
3376         (FINI_ARRAY_SECTION_ASM_OP): Likewise.
3377
3378 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
3379
3380         * config/m68k/m68k.c (m68k_initial_elimination_offset): Use
3381         gcc_assert and gcc_unreachable as appropriate.
3382         (output_dbcc_and_branch, output_scc_di, legitimize_pic_address,
3383         const_int_cost, output_move_const_into_data_reg,
3384         output_move_qimode, output_move_double, find_addr_reg,
3385         print_operand, print_operand_address): Likewise.
3386         * config/m68k/m68k.md (adddi3, subdi3, negsf2, negdf2, abssf2,
3387         absdf2, sordered, sunordered, suneq, sunge, sungt, sunle, sunlt,
3388         sltgt, bordered, bunordered, buneq, bunge, bungt, bunle, bunlt,
3389         bltgt, *bordered_rev, *bunordered_rev, *buneq_rev, *bunge_rev,
3390         *bunle_rev, *bunlt_rev, *bltgt_rev, negxf2, absxf2,
3391         conditional_trap): Likewise.
3392         * config/m68k/m68kelf.h (ASM_OUTPUT_ALIGN): Remove unreachable code.
3393
3394 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
3395
3396         * config/xtensa/xtensa.c (gen_int_relational): Use gcc_assert and
3397         gcc_unreachable as appropriate.
3398         (gen_conditional_move, xtensa_split_operand_pair,
3399         xtensa_split_operand_pair, xtensa_copy_incoming_a7,
3400         xtensa_copy_incoming_a7, xtensa_copy_incoming_a7,
3401         xtensa_copy_incoming_a7, xtensa_output_literal,
3402         xtensa_output_literal, xtensa_output_literal): Likewise.
3403         * config/xtensa/xtensa.h (INITIAL_ELIMINATION_OFFSET): Likewise.
3404         * config/xtensa/xtensa.md (*btrue, *bfalse, *ubtrue, *ubfalse,
3405         *bittrue, *bitfalse, *masktrue, *maskfalse, movsicc_internal0,
3406         movsicc_internal1, movsfcc_internal0,
3407         movsfcc_internal1): Likewise.
3408
3409 2005-04-28  James E Wilson  <wilson@specifixinc.com>
3410
3411         * config/i386/i386.h (HI_REGISTER_NAMES): Fix typos in comment.
3412         (ADDITIONAL_REGISTER_NAMES): Delete obsolete mmx register entries.
3413
3414 2005-04-28  DJ Delorie  <dj@redhat.com>
3415
3416         * opt-functions.awk (var_set): Emit proper initializer for
3417         non-target bitfields.
3418
3419 2005-04-28  Devang Patel  <dpatel@apple.com>
3420
3421         * dbxout.c (have_used_extensions): Remove.
3422         (dbxout_type_fileds, dbxout_type, dbxout_symbol): Remove use of
3423         have_used_extensions.
3424
3425 2005-04-28  James E Wilson  <wilson@specifixinc.com>
3426
3427         * doc/install.texi: Update -enable-languages info.  Correct path to
3428         html docs.
3429
3430 2005-04-28  DJ Delorie  <dj@redhat.com>
3431
3432         * optc-gen.awk (END): Make sure no variable is defined more
3433         than once.
3434         * opth-gen.awk (END): Allocate bits on a per-variable basis.
3435         Allow for bitfield variables other than target_flags.
3436         * doc/options.text (Mask): Document that you may specify a
3437         variable other than target_flags.
3438
3439 2005-04-28  Martin Koegler <mkoegler@auto.tuwien.ac.at>
3440
3441         PR rtl-optimization/18877
3442         * reload.c (decompose) <case REG, case SUBREG>: Handle pseudo reg
3443         number in val.start.
3444
3445 2005-04-28  David Edelsohn  <edelsohn@gnu.org>
3446
3447         PR target/20813
3448         * config/rs6000/aix43.h (SUBSUBTARGET_SWITCHES, aix64): Add
3449         MASK_PPC_GFXOPT.
3450         * config/rs6000/aix51.h (SUBSUBTARGET_SWITCHES, aix64): Same.
3451         * config/rs6000/aix52.h (SUBSUBTARGET_SWITCHES, aix64): Same.
3452         * config/rs6000/sysv4.h (SUBTARGET_SWITCHES, 64): Same.
3453
3454 2005-04-28  Richard Earnshaw  <richard.earnshaw@arm.com>
3455
3456         * arm.c (legitimize_pic_address): Fix sense of assertion test for
3457         creating pseudos when the base offset is too large.
3458
3459 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
3460
3461         * global.c (earlyclobber_regclass): Change the type to
3462         VEC(int,heap).
3463         (check_earlyclobber): Update uses of earlyclobber_regclass.
3464         (mark_reg_use_for_earlyclobber): Likewise.
3465         (calculate_local_reg_bb_info): Allocate and free
3466         earlyclobber_regclass using the VEC API.
3467
3468 2005-04-28  Nathan Sidwell  <nathan@codesourcery.com>
3469
3470         * tree-ssa-alias.c (push_fields_onto_fieldstack): Remove bogus
3471         assert.
3472
3473 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
3474
3475         * modulo-sched.c, tree-stdarg.c: Use targetm.foo instead of
3476         (*targetm.foo).
3477
3478         * config.gcc: Obsolete c4x-* and tic4x-*.
3479
3480         * tree.h (edge_def): Remove.
3481
3482         * bt-load.c, cfgexpand.c, dwarf2out.c, emit-rtl.c, expr.c,
3483         function.c, global.c, lcm.c, loop-invariant.c, optabs.c,
3484         reorg.c, resource.c, tree-ssa-loop-ivopts.c, value-prof.c: Use
3485         JUMP_P, LABEL_P, REG_P, MEM_P, NONJUMP_INSN_P, and INSN_P
3486         where appropriate.
3487
3488         * attribs.c, c-pragma.c, caller-save.c, cfghooks.h,
3489         coverage.c, cselib.h, domwalk.c, domwalk.h, errors.c,
3490         errors.h, gcov-dump.c, gcov-io.c, gcov-io.h, gen-protos.c,
3491         genattrtab.h, genextract.c, gthr-win32.h, insn-notes.def,
3492         integrate.c, lambda-mat.c, lambda.h, libgcov.c, local-alloc.c,
3493         machmode.def, mips-tfile.c, params.c, pretty-print.c,
3494         print-rtl.c, protoize.c, regmove.c, sched-vis.c, tree-chrec.h,
3495         tree-data-ref.h, vec.h, config/darwin-c.c, config/sol2-c.c,
3496         config/sol2.c, config/arm/arm-cores.def, config/arm/cirrus.md,
3497         config/arm/symbian.h, config/c4x/c4x.c, config/c4x/c4x.h,
3498         config/i386/cygming.h, config/i386/djgpp.h,
3499         config/i386/lynx.h, config/i386/netware.c,
3500         config/i386/winnt.c, config/ia64/ia64-c.c,
3501         config/iq2000/iq2000.c, config/m32r/little.h,
3502         config/m68k/m68k-protos.h, config/m68k/m68k.h,
3503         config/m68k/m68k.md, config/mcore/mcore.c,
3504         config/mcore/mcore.h, config/mmix/mmix.c, config/mmix/mmix.md,
3505         config/mn10300/mn10300-protos.h, config/mn10300/mn10300.c,
3506         config/mn10300/mn10300.h, config/ns32k/netbsd.h,
3507         config/ns32k/ns32k.c, config/ns32k/ns32k.h,
3508         config/pa/pa-hpux11.h, config/pdp11/pdp11.c,
3509         config/pdp11/pdp11.h, config/rs6000/darwin.h,
3510         config/rs6000/default64.h, config/rs6000/rs6000-c.c,
3511         config/s390/2064.md, config/s390/2084.md,
3512         config/s390/s390-modes.def, config/s390/s390-protos.h,
3513         config/s390/tpf.h, config/sh/sh.h, config/sh/symbian.c,
3514         config/stormy16/stormy16.c, config/vax/vax-protos.h,
3515         config/vax/vax.c, config/vax/vax.h,
3516         config/xtensa/lib1funcs.asm, config/xtensa/xtensa.md: Update
3517         copyright.
3518
3519 2005-04-28  Joseph S. Myers  <joseph@codesourcery.com>
3520
3521         * c-typeck.c (build_compound_expr): Correct logic in last change.
3522
3523 2005-04-27  James E. Wilson  <wilson@specifixinc.com>
3524
3525         * config/ia64/ia64.c (update_set_flags): Delete ppred and pcond
3526         parameters.  Replace conditional move code with assert checking for
3527         ar.lc.  Delete obsolete comments.
3528         (set_src_needs_barrier): Delete cond parameter, and code using it.
3529         (rtx_needs_barrier): Delete initialization of cond.  Fix typo in
3530         assert checking for PR_REGS.  Fix calls to update_set_flags and
3531         set_src_needs_barrier.
3532         (group_barrier_needed): Renamed from group_barrier_needed_p.  Fix all
3533         callers.  Rewrite explanatory comment before the function.
3534         (safe_group_barrier_needed): Renamed from safe_group_barrier_needed_p.
3535         Fix all callers.
3536
3537 2005-04-27  Mike Stump  <mrs@apple.com>
3538
3539         * doc/cpp.texi: gcc now implements universal character names.
3540
3541 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
3542
3543         PR c/21159
3544         * c-typeck.c (build_compound_expr): Don't warn for left-hand side
3545         being a compound expression whose right-hand side is cast to void.
3546
3547 2005-04-27  Caroline Tice  <ctice@apple.com>
3548
3549         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
3550         Remove targetm.have_named_sections test.
3551         (fix_edges_for_rarely_executed_code): Likewise.
3552         (insert_section_boundary_note): Likewise.
3553         (reorder_basic_blocks): Check partitioning flag before calling
3554         verify_hot_cold_block_grouping.
3555         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
3556         the function struct rather than global variables.
3557         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
3558         (COLD_END_LABEL): Likewise
3559         (cold_text_section_label): New static global variable.
3560         (cold_end_label): Likewise.
3561         (dwarf2out_switch_text_section): Get hot/cold section labels from
3562         the function struct rather than global variables; test to make sure
3563         cfun is defined.
3564         (output_aranges): Use cold_text_section_label and cold_end_label;
3565         check partitioning flag before putting out delta.
3566         (output_ranges): Remove incorrect code attempting to use
3567         hot/cold labels.
3568         (output_line_info): Get cold section label from function struct; test
3569         to make sure cfun is defined.
3570         (add_location_or_const_value_attribute): Likewise.
3571         (dwarf2out_var_location): Likewise.
3572         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
3573         write out cold_text_section_label if partition flag is set.
3574         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
3575         * function.h (struct function): Add new fields to point to hot/cold
3576         section labels: hot_section_label, cold_section_label,
3577         hot_section_end_label and cold_section_end_label; also add new field
3578         for cold text section name, unlikely_text_section_name.
3579         * opts.c (decode_options): Turn off partitioning flag if
3580         !targetm.have_named_sections.
3581         * output.h (hot_section_label): Remove.
3582         (hot_section_end_label): Remove.
3583         (cold_section_end_label): Remove.
3584         (unlikely_section_label): Remove.
3585         (unlikely_text_section_name): Remove.
3586         * passes.c (rest_of_handle_final):  Remove extra blank line.
3587         * varasm.c (unlikely_section_label): Remove.
3588         (hot_section_label): Remove.
3589         (hot_section_end_label): Remove.
3590         (cold_section_end_label): Remove.
3591         (unlikely_text_section_name):  Remove.
3592         (initialize_cold_section_name): Modify to call
3593         targetm.strip_name_encoding; to store cold section name in current
3594         function struct, if it exists; and to only use the decl_section_name
3595         if flag_named_sections is true.
3596         (unlikely_text_section): Modify to get section name out of current
3597         function struct, if there is one; otherwise build it from
3598         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
3599         (in_unlikely_text_section): Likewise.
3600         (named_section): Modify to get/put cold section name in current function
3601         struct, if there is one.
3602         (function_section):  Change 'bool unlikely' to 'int reloc'; check
3603         targetm.have_named_sections before calling named_section.
3604         (current_function_section): Likewise.
3605         (assemble_start_function): Modify to get/put unlikely_text_section_name
3606         in current function struct; modify to get hot/cold section labels
3607         from function struct; initialize labels using
3608         ASM_GENERATE_INTERNAL_LABEL;
3609         test partitioning flag before writing out hot section label.
3610         (assemble_end_function): Test partitioning flag before writing out
3611         hot/cold section labels.
3612         (default_section_type_flags_1):  Get cold text section name from
3613         function struct if there is one; Set flags correctly for
3614         cold text section if there is not a current function struct.
3615
3616 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
3617
3618         * tree-ssa-propagate.c (set_rhs): Revert last change.
3619
3620 2005-04-27  Steve Ellcey  <sje@cup.hp.com>
3621
3622         * explow.c (convert_memory_address): Add gcc_assert.
3623
3624 2005-04-27  Mark Mitchell  <mark@codesourcery.com>
3625
3626         * configure.ac: Check for ld --sysroot support.
3627         * gcc.c: Document %R specifier for specs.
3628         (SYSROOT_SPEC): New macro.
3629         (sysroot_spec): New variable.
3630         (static_specs): Add sysroot_spec.
3631         (main): Pass the sysroot spec to the linker if appropriate.
3632         * configure: Regenerated.
3633         * config.in: Likewise.
3634
3635 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
3636
3637         * fold-const.c (fold_binary): Use build_fold_addr_expr
3638         for address calculation and INDIRECT_REF handling.
3639
3640 2005-04-27  Andrew Haley  <aph@redhat.com>
3641
3642         * postreload-gcse.c (hash_scan_set): Remove bogus assertion.
3643
3644 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
3645
3646         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Reserve arm frame
3647         pointer when thumb backtracing is on.
3648
3649         * config/fp-bit.c (abort): Revert change.
3650
3651 2005-04-27  Ian Lance Taylor  <ian@airs.com>
3652
3653         * c-semantics.c (add_stmt): Don't test STATEMENT_CODE_P.
3654
3655 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
3656
3657         * tree-ssa-dce.c: Fix a comment typo.
3658
3659 2005-04-27  David S. Miller  <davem@davemloft.net>
3660
3661         * explow.c (allocate_dynamic_stack_space SETJMP_VIA_SAVE_AREA):
3662         Kill setjmpless_size.  current_function_calls_setjmp is completely
3663         computed when we are called, so just use the optimized size value
3664         instead of using REG_SAVE_AREA notes.
3665         (optimize_save_area_alloca): Delete....
3666         * rtl.h (optimize_save_area_alloca): Likewise...
3667         * passes.c (rest_of_compilation): and don't call it any more.
3668         * reg-notes.def (SAVE_AREA): Delete.
3669
3670 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
3671
3672         * config/fp-bit.c (abort): Add noreturn attribute.
3673
3674         * config/avr/avr.c (avr_naked_function_p): Use gcc_assert and
3675         gcc_unreachable as appropriate.
3676         (ptrreg_to_str, cond_string, avr_normalize_condition): Likewise.
3677         * config/avr/avr.h (ASM_OUTPUT_REG_PUSH,
3678         ASM_OUTPUT_REG_POP): Likewise.
3679
3680 2005-04-27  Paolo Bonzini  <bonzini@gnu.org>
3681
3682         * tree-complex.c (expand_vector_operations_1): Do not build
3683         VIEW_CONVERT_EXPR's for the lhs.
3684
3685 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
3686
3687         * config/pa/pa.h (PRINT_OPERAND_ADDRESS): Use gcc_assert, remove
3688         unnecessary noncanonical RTL handling.
3689         * config/pa/pa64-linux.h (INITIAL_ELIMINATION_OFFSET): Use
3690         gcc_assert and gcc_unreachable.
3691
3692         * config/arm/arm.h (ARM_PRINT_OPERAND_ADDRESS): Use gcc_assert and
3693         gcc_unreachable as appropriate.
3694         (THUMB_PRINT_OPERAND_ADDRESS): Likewise.
3695         * config/arm/arm.c (arm_override_options, arm_compute_func_type,
3696         use_return_insn, const_ok_for_op, arm_gen_constant,
3697         arm_canonicalize_comparison, legitimize_pic_address,
3698         thumb_find_work_register, arm_load_pic_register, arm_rtx_costs_1,
3699         arm_cirrus_insn_p, cirrus_reorg, minmax_code,
3700         load_multiple_sequence, emit_ldm_seq, store_multiple_sequence,
3701         emit_stm_seq, arm_gen_movmemqi, arm_select_dominance_cc_mode,
3702         arm_select_cc_mode, arm_reload_in_hi, arm_reload_out_hi,
3703         move_minipool_fix_forward_ref, move_minipool_fix_backward_ref,
3704         dump_minipool, create_fix_barrier, push_minipool_fix, arm_reorg,
3705         fp_immediate_constant, fp_const_from_val, vfp_output_fstmx,
3706         output_call, output_mov_long_double_fpa_from_arm,
3707         output_mov_long_double_arm_from_fpa,
3708         output_mov_double_fpa_from_arm, output_mov_double_arm_from_fpa,
3709         output_move_double, arithmetic_instr, shift_op, int_log2,
3710         output_return_instruction, arm_output_function_prologue,
3711         arm_output_epilogue, arm_output_function_epilogue,
3712         emit_multi_reg_push, arm_get_frame_offsets,
3713         arm_compute_initial_elimination_offset, arm_expand_prologue,
3714         arm_print_operand, arm_assemble_integer, get_arm_condition_code,
3715         arm_final_prescan_insn, arm_init_iwmmxt_builtins,
3716         arm_expand_binop_builtin, thumb_pushpop, thumb_far_jump_used_p,
3717         thumb_compute_initial_elimination_offset,
3718         thumb_output_function_prologue, thumb_load_double_from_address,
3719         thumb_output_move_mem_multiple, thumb_reload_out_hi,
3720         arm_emit_vector_const, arm_dbx_register_number): Likewise.
3721         * config/arm/pe.c (arm_mark_dllexport, arm_mark_dllimport): Likewise.
3722         * config/arm/arm.md (thumb_extendhisi2,
3723         *thumb_extendhisi2_insn_v6, *thumb_extendqisi2,
3724         *thumb_extendqisi2_v6, movhi, *thumb_movhi_insn,
3725         thumb_movhi_clobber, movqi, *arm_buneq, *arm_bltgt,
3726         *arm_buneq_reversed, *arm_bltgt_reversed, suneq, sltgt): Likewise.
3727         * config/arm/cirrus.md (*cirrus_arm_movdi,
3728         *cirrus_movdf_hard_insn): Likewise.
3729         * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
3730
3731 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
3732
3733         * tree-flow.h (ssa_names): Change the type to VEC(tree,gc).
3734         (num_ssa_names): Use VEC_length.
3735         (ssa_names): Use VEC_index.
3736         * tree-ssanames.c (ssa_names): Change the type to
3737         VEC(tree,gc).
3738         (init_ssanames, fini_ssa_names, make_ssanames,
3739         release_ssa_name): Update uses of ssa_names.
3740
3741         * dojump.c, emit-rtl.c, expmed.c, expr.c, stmt.c, stor-layout.c:
3742         Use fold_buildN instead of fold (buildN (...)).
3743
3744 2005-04-27  Devang Patel <dpatel@apple.com>
3745
3746         * dbxout.c (dbxout_type): Check use_gnu_debug_info_extensions.
3747
3748 2005-04-27  Matt Thomas <matt@3am-software.com>
3749             Jan-Benedict Glaw <jbglaw@microdata-pos.de>
3750
3751         * config/vax/vax.c (vax_rtx_costs): Whitespace cleanup.
3752         (vax_output_mi_thunk): Ditto.
3753         (vax_notice_cc_update): Ditto.
3754         (INDEX_REGISTER_P): Add trailing \.
3755         (BASE_REGISTER_P): Add trailing \.
3756         (legitimate_address_p): Whitespace cleanup.  Remove trailing \.
3757
3758 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
3759
3760         * tree-ssa-propagate.c (set_rhs): Check operand of
3761         ADDR_EXPR for gimpliness, too.
3762
3763 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
3764
3765         * tree-ssa-pre.c: Fix a comment typo.
3766
3767 2005-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
3768
3769         PR tree-optimization/21171
3770         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not
3771         record address uses if the reference is volatile.
3772
3773 2004-04-27  Paolo Bonzini  <bonzini@gnu.org>
3774
3775         * tree-complex.c (expand_vector_operation): New, extracted from
3776         expand_vector_operations_1.
3777         (tree_vec_extract): Build a NOP_EXPR.
3778         (expand_vec_parallel): Do not care about returning the correct type.
3779         (expand_vector_operations_1): Call expand_vector_operation.
3780         Build the VIEW_CONVERT_EXPR on the left side of MODIFY_EXPRs.
3781
3782         * tree-complex.c (gate_expand_vector_operations): New.
3783         (pass_lower_vector_ssa): Use it.
3784         * tree-optimize.c (init_tree_optimization_passes): Include
3785         pass_lower_vector_ssa.
3786         * tree-vect-transform.c (vect_min_worthwhile_factor): New.
3787         (vectorizable_operation): Use it.
3788         * tree-vectorizer.c (get_vectype_for_scalar_type): Accept
3789         integer modes for the vector type.
3790
3791         * defaults.h (UNITS_PER_SIMD_WORD): Default to UNITS_PER_WORD.
3792         * tree-vect-analyze.c (vect_enhance_data_refs_alignment):
3793         Do not cope with UNITS_PER_SIMD_WORD == 0.
3794         * tree-vectorizer.c (get_vectype_for_scalar_type): Check
3795         if the scalar type is not bigger than UNITS_PER_SIMD_WORD.
3796         (vectorize_loops): Do not check that UNITS_PER_SIMD_WORD > 0.
3797         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Default to UNITS_PER_WORD.
3798         * config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise.
3799         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise.
3800         * config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise.
3801
3802         * config/alpha/alpha.h (UNITS_PER_SIMD_WORD): Remove.
3803         * config/bfin/bfin.h (UNITS_PER_SIMD_WORD): Remove.
3804         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): Remove.
3805
3806         * doc/tm.texi (UNITS_PER_WORD): Rephrase more accurately.
3807         (UNITS_PER_SIMD_WORD): New.
3808
3809 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
3810
3811         * config/ia64/ia64.c (ia64_encode_addr_area): Use gcc_assert and
3812         gcc_unreachable as appropriate.
3813         (ia64_expand_load_address, ia64_expand_tls_address,
3814         ia64_split_tmode, ia64_split_tmode_move, ia64_expand_compare,
3815         ia64_expand_vecint_compare, ia64_expand_vecint_minmax,
3816         next_scratch_gr_reg, ia64_initial_elimination_offset,
3817         ia64_expand_prologue, ia64_expand_epilogue,
3818         ia64_output_dwarf_dtprel, ia64_print_operand,
3819         ia64_register_move_cost, first_instruction, rws_access_regno,
3820         update_set_flags, rtx_needs_barrier, group_barrier_needed_p,
3821         ia64_sched_init, ia64_variable_issue,
3822         ia64_first_cycle_multipass_dfs_lookahead_guard,
3823         ia64_dfa_new_cycle, issue_nops_and_insn, get_template, bundling,
3824         ia64_st_address_bypass_p, ia64_ld_address_bypass_p, process_set,
3825         process_for_unwind_directive, ia64_hpux_file_end): Likewise.
3826         * config/ia64/ia64.h (ASM_OUTPUT_ADDR_VEC_ELT): Likewise.
3827         * config/ia64/ia64.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
3828         * config/ia64/predicates.md (got_symbolic_operand,
3829         sdata_symbolic_operand): Likewise.
3830         * config/ia64/vect.md (vcondv2sf): Likewise.
3831
3832 2005-04-27  Matt Thomas <matt@3am-software.com>
3833
3834         * config/vax/vax.c (legitimate_constant_address_p): New.  Formerly
3835         CONSTANT_ADDRESS_P in config/vax/vax.h
3836         (legitimate_constant_p): Added.  Formerly CONSTANT_P in vax.h.
3837         (INDEX_REGISTER_P): New.
3838         (BASE_REGISTER_P): New.
3839         (indirectable_constant_address_p): New.  Adapted from
3840         INDIRECTABLE_CONSTANT_ADDRESS_P in vax.h. Use SYMBOL_REF_LOCAL_P.
3841         (indirectable_address_p): New.  Adapted from
3842         INDIRECTABLE_ADDRESS_P in vax.h.
3843         (nonindexed_address_p): New.  Adapted from
3844         GO_IF_NONINDEXED_ADDRESS in vax.h.
3845         (index_temp_p): New.  Adapted from INDEX_TERM_P in vax.h.
3846         (reg_plus_index_p): New.  Adapted from GO_IF_REG_PLUS_INDEX in vax.h.
3847         (legitimate_address_p): New.  Adapted from
3848         GO_IF_LEGITIMATE_ADDRESS in vax.h.
3849         (vax_mode_dependent_address_p): New.  Adapted from
3850         GO_IF_MODE_DEPENDENT_ADDRESS in vax.h.
3851         * config/vax/vax.h (CONSTANT_ADDRESS_P): Use
3852         legitimate_constant_address_p.
3853         (CONSTANT_P): Use legitimate_constant_p.
3854         (INDIRECTABLE_CONSTANT_ADDRESS_P): Removed.
3855         (INDIRECTABLE_ADDRESS_P): Removed.
3856         (GO_IF_NONINDEXED_ADDRESS): Removed.
3857         (INDEX_TEMP_P): Removed.
3858         (GO_IF_REG_PLUS_INDEX): Removed.
3859         (GO_IF_LEGITIMATE_ADDRESS): Use legitimate_address_p. Two
3860         definitions, depending on whether REG_OK_STRICT is defined.
3861         (GO_IF_MODE_DEPENDENT_ADDRESS): Use vax_mode_dependent_address_p.
3862         Two definitions, depending on whether REG_OK_STRICT is defined.
3863         * config/vax/vax-protos.h (legitimate_constant_address_p): Prototype
3864         added.
3865         (legitimate_constant_p): Prototype added.
3866         (legitimate_address_p): Prototype added.
3867         (vax_mode_dependent_address_p): Prototype added.
3868
3869 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
3870
3871         * tree.h (phi_arg_d): Expand a comment in phi_arg_d.
3872
3873 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
3874
3875         PR c/21213
3876         * c-decl.c (finish_struct): Don't dereference NULL TYPE_FIELDS of
3877         transparent union.
3878
3879 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
3880
3881         PR c/20740
3882         * c-format.c (init_dynamic_asm_fprintf_info): Give errors, not
3883         assertion failures, if __gcc_host_wide_int__ is not properly
3884         defined.
3885         (init_dynamic_diag_info): Give errors, not assertion failures, if
3886         location_t, tree or __gcc_host_wide_int__ are not properly
3887         defined.
3888
3889 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
3890
3891         * tree-ssa-loop-ivopts.c (ivopts_data, decl_rtl_to_reset,
3892         n_iv_uses, iv_use, n_iv_cands, iv_cand,
3893         tree_ssa_iv_optimize_init, record_use, add_candidate_1,
3894         prepare_decl_rtl, free_loop_data,
3895         tree_ssa_iv_optimize_finalize): Use the VEC API instead of
3896         VARRAY.
3897
3898         * tree.h (tree_phi_node): Add a comment about the order of PHI
3899         arguments.
3900
3901 2005-04-26  Paul Brook  <paul@codesourcery.com>
3902
3903         * config/arm/arm.md (thumb_mulsi3): Use two-operand assembly form.
3904
3905 2005-04-26  Nathan Sidwell  <nathan@codesourcery.com>
3906
3907         * config/mips.mips.c (mips_legitimize_tls_address): Use
3908         gcc_unreachable.
3909
3910         * config/mmix/mmix.c (mmix_assemble_integer): Use gcc_assert.
3911         * config/mmix/crti.asm (_init): Reword comment to avoid 'abort'.
3912         * config/mmix/mmix.md (nonlocal_goto_receiver): Likewise.
3913
3914         * config/sparc/sparc.h (enum reg_class): Reword comment to avoid
3915         'abort'.
3916
3917 2005-04-26  Jeff Law  <law@redhat.com>
3918
3919         * tree-flow-inline.h (op_iter_next_must_and_may_def): New.
3920         (op_iter_init_must_and_may_def): Likewise.
3921         (unmodifiable_var_p): Move to a later point in the file.
3922         * tree-ssa-operands.h (FOR_EACH_SSA_MUST_AND_MAY_DEF_OPERAND): New.
3923         * tree-ssa-dse.c (need_imm_uses_for): Remove, no longer needed.
3924         (dse_record_phis): Directly check for virtual operands rather than
3925         using need_imm_uses_for.
3926         (dse_optimize_stmt): Handle V_MUST_DEF operands.  Handle case where
3927         store has multiple V_{MAY,MUST}_DEF operands.
3928
3929 2005-04-26  Andrew MacLeod  <amacleod@redhat.com>
3930
3931         * tree-cfg.c (bsi_replace): Delink immediate uses for the original
3932         stmt.
3933
3934 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
3935
3936         * tree-cfg.c (lv_adjust_loop_header_phi): Speed up moving a
3937         call to find_edge outside a loop to go through a PHI chain.
3938
3939 2004-04-26  Richard Guenther  <rguenth@gcc.gnu.org>
3940
3941         PR tree-optimization/17598
3942         * fold-const.c (fold_binary): Fold comparisons of addresses
3943         of COMPONENT_REFs which reference the same field to
3944         comparisons of the addresses of the base objects.
3945
3946 2005-04-26  Julian Brown  <julian@codesourcery.com>
3947
3948         * config/arm/arm.c (arm_return_in_msb): New function.
3949         (arm_must_pass_in_stack): New function.
3950         (TARGET_RETURN_IN_MSB): Define target hook.
3951         (TARGET_MUST_PASS_IN_STACK): Define target hook.
3952         (arm_function_value): Pad small aggregate return.
3953         (arm_pad_arg_upward): New function.
3954         (arm_pad_reg_upward): New function.
3955         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Include complex values.
3956         (FUNCTION_ARG_PADDING): Define macro.
3957         (BLOCK_REG_PADDING): Define macro.
3958         (PAD_VARARGS_DOWN): Correct padding for AAPCS.
3959         * config/arm/arm-protos.h (arm_pad_arg_upward): Declare function.
3960         (arm_pad_reg_upward): Declare function.
3961
3962 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
3963
3964         * basic-block.h (ei_cond): New.
3965         (FOR_EACH_EDGE): Call ei_cond.
3966
3967         PR tree-optimization/21047
3968         * fold-const.c (fold_binary): Abort on ASSERT_EXPR.
3969         (fold): Don't handle ASSERT_EXPR.
3970
3971 2005-04-25  Roger Sayle  <roger@eyesopen.com>
3972
3973         * sched-deps.c (sched_analyze_1): On STACK_REGS targets, x87, treat
3974         all writes to any stack register as a read/write dependency on
3975         FIRST_STACK_REG.
3976         (sched_analyze_2): Likewise, for reads from any stack register.
3977
3978 2005-04-25  Richard Henderson  <rth@redhat.com>
3979
3980         * final.c (output_addr_const): Revert 2005-04-09 change.
3981
3982 2005-04-25  Mike Stump  <mrs@apple.com>
3983
3984         * config/darwin.c (darwin_encode_section_info): Always set
3985         MACHO_SYMBOL_STATIC for all ! TREE_PUBLIC symbols.
3986
3987 2005-04-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3988
3989         * collect2.c, gcc.c, gcov-dump.c, gcov.c, gen-protos.c,
3990         gensupport.c, protoize.c, toplev.c: Replace calls to
3991         `unlock_stream' with `unlock_std_streams'.
3992
3993 2005-04-25  Devang Patel <dpatel@apple.com>
3994
3995         * dbxout.c (dbxout_type): Emit attribute vector.
3996
3997 2005-04-05  Paul Brook  <paul@codesourcery.com>
3998
3999         * target-def.h (TARGET_CXX_USE_AEABI_ATEXIT): Define.
4000         * target.h (struct gcc_target): Add cxx.use_aeabi_atexit.
4001         * config/arm/arm.c (arm_cxx_atexit_name): New function.
4002         (TARGET_CXX_USE_AEABI_ATEXIT): New macro.
4003         * cp/decl.c (get_atexit_node): Reorder arguments for __aeabi_atexit.
4004         (register_dtor_fn): Likewise.
4005         * doc/tm.texi: Document TARGET_CXX_USE_AEABI_ATEXIT.
4006
4007 2005-04-25  Ian Lance Taylor  <ian@airs.com>
4008
4009         * c-common.def (EXPR_STMT): Remove, moved to C++ frontend.
4010         * c-common.h (EXPR_STMT_EXPR): Don't define.
4011         (c_common_stmt_codes): Don't define.
4012         * c-dump.c (c_dump_tree): Remove EXPR_STMT case.
4013         * c-gimplify.c (gimplify_expr_stmt): Remove.
4014         (c_gimplify_expr): Remove EXPR_STMT case.
4015         * c-objc-common.c (c_objc_common_init): Remove stmt_codes and call
4016         to INIT_STATEMENT_CODES.
4017         * c-pretty-print.c (pp_c_statement): Just call dump_generic_node.
4018
4019 2005-04-25  Jan Hubicka  <jh@suse.cz>
4020
4021         * tree-cfg.c (tree_duplicate_bb): Duplicate EH region too.
4022
4023         * except.c: Include diagnostic.h
4024         (dump_eh_tree, verify_eh_tree): New functions.
4025         * except.h (verify_eh_tree, dump_eh_tree, verify_eh_edges): Declare.
4026         * tree-cfg.c (tree_verify_flow_info): verify eh edges.
4027         (dump_function_to_file): dump eh tree.
4028         * tree-eh.c (mark_eh_edge): New function.
4029         (mark_eh_edge_found_error): New static variable.
4030         (verify_eh_edges): New function.
4031
4032 2005-04-25  Nathan Sidwell  <nathan@codesourcery.com>
4033
4034         * tree-ssa-alias.c (fieldoff_t): Remove.
4035         (fieldoff_s): typedef the structure itself.  Create a vector of
4036         objects.
4037         (push_fields_onto_fieldstack): Return count of fields pushed.
4038         Remove peeling of first field.  Adjust.
4039         (fieldoff_compare): Adjust.
4040         (create_overlap_variables_for): Adjust.
4041
4042 2005-04-25  Joseph S. Myers  <joseph@codesourcery.com>
4043
4044         * doc/invoke.texi (Blackfin Options): Avoid empty @opindex line.
4045
4046 2005-04-25  Joseph S. Myers  <joseph@codesourcery.com>
4047
4048         PR bootstrap/21215
4049         * doc/install.texi: Document correct assembler and linker to use
4050         on i?86-*-solaris2.10.
4051
4052 2005-04-25  Steven Bosscher  <stevenb@suse.de>
4053
4054         Fix PR tree-optimization/21173
4055
4056         * tree-ssa-pre.c (create_expression_by_pieces): Simplify code.
4057         Unshare expression we pass to force_gimple_operand.
4058
4059 2005-04-25  J"orn Rennecke <joern.rennecke@st.com>
4060             Stephen Clarke <stevec@superh.com>
4061             Roger Sayle <roger@eyesopen.com>
4062
4063         PR rtl-optimization/20413
4064         * cfgrtl.c (redirect_edge_and_branch): Use Pmode instead of
4065         VOIDmode for LABEL_REF.
4066         * final.c (shorten_branches): Likewise.
4067         * jump.c (mark_all_labels, redirect_exp_1): Likewise.
4068         * loop.c (reg_dead_after_loop): Likewise.
4069         * varasm.c (decode_addr_const): Likewise.
4070         * doc/rtl.texi: Document mode requirement for LABEL_REF.
4071
4072 2005-04-25  Ralf Corsepius  <ralf.corsepius@rtems.org>
4073
4074         * config.gcc (avr-*-*): Remove redundant "case".
4075
4076 2005-04-25  Kazu Hirata  <kazu@cs.umass.edu>
4077
4078         * tree-vect-analyze.c (vect_mark_relevant): Take
4079         VEC(tree,heap) instead of varray_type as an argument.
4080         (vect_mark_stmts_to_be_vectorized): Change the type of
4081         worklist to VEC(tree,heap).  Adjust uses of worklist.
4082
4083 2005-04-24  Devang Patel  <dpatel@apple.com>
4084
4085         *  config/rs6000/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): New.
4086
4087 2005-04-24  Ian Lance Taylor  <ian@airs.com>
4088
4089         * c-semantics.c (build_stmt): Remove test of specific tree codes
4090         for TREE_SIDE_EFFECTS handling.
4091
4092 2005-04-24  Per Bothner  <per@bothner.com>
4093
4094         * c-opts.c (finish_options):  Make the line-number of the <built-in>
4095         location 0, as assumed elsewhere, rather than 1.
4096
4097 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
4098
4099         * tree-ssa-uncprop.c (equiv_stack): Change the type o
4100         VEC(tree,heap).
4101         (tree_ssa_uncprop, uncprop_finalize_block,
4102         uncprop_initialize_block): Update uses of equiv_stack.
4103
4104 2005-04-24  Richard Henderson  <rth@redhat.com>
4105
4106         PR rtl-opt/21163
4107         * simplify-rtx.c (simplify_binary_operation) <IOR>: Check
4108         for SCALAR_INT_MODE_P instead of not MODE_CC before returning
4109         constm1_rtx.
4110         <AND, LSHIFTRT, UMIN>: Use CONST0_RTX.
4111         <UDIV, UMOD>: Use CONST0_RTX and CONST1_RTX.
4112         <DIV, MOD>: Likewise.
4113
4114 2005-04-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4115
4116         * collect2.c (main): Unlock the stdio streams.
4117         * gcc.c (main): Likewise.
4118         * gcov-dump.c (main): Likewise.
4119         * gcov.c (main): Likewise.
4120         * gen-protos.c (main): Likewise.
4121         * gensupport.c (init_md_reader_args_cb): Likewise.
4122         * protoize.c (main): Likewise.
4123         * toplev.c (general_init): Likewise.
4124
4125 2005-04-24  Jakub Jelinek  <jakub@redhat.com>
4126
4127         PR middle-end/20991
4128         * cgraph.h (cgraph_local_info): Add vtable_method field.
4129         * varasm.c (mark_decl_referenced): If cgraph_global_info_ready
4130         and node is vtable_method, finalized and not reachable, don't do
4131         anything.
4132
4133 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
4134
4135         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Use
4136         COMPARISON_CLASS_P.
4137         * tree-ssa-pre.c (create_value_expr_from): Use
4138         CONSTANT_CLASS_P and REFERENCE_CLASS_P.
4139         * tree-ssa-propagate.c (stmt_makes_single_load,
4140         stmt_makes_single_store): Use REFERENCE_CLASS_P.
4141         * tree-vect-transform.c (vect_is_simple_cond): Use
4142         COMPARISON_CLASS_P.
4143         * tree-vrp.c (extract_range_from_assert,
4144         build_assert_expr_for, fp_predicate, has_assert_expr): Use
4145         COMPARISON_CLASS_P.
4146
4147         * tree-ssa-live.c (build_tree_conflict_graph): Change the type
4148         of tpa_to_clear to VEC(int,heap).  Update uses of
4149         tpa_to_clear.  Free tpa_to_clear at the end.
4150
4151 2005-04-24  Andrew Pinski  <pinskia@physics.uc.edu>
4152
4153         * tree.h (TREE_THIS_VOLATILE): Document the effect on a
4154         function decl.
4155
4156 2005-04-24  Nathan Sidwell  <nathan@codesourcery.com>
4157
4158         * config/rs6000/rs6000.c (rs6000_override_options): Use gcc_assert
4159         and gcc_unreachable as appropriate.
4160         (num_insns_constant, output_vec_const_move,
4161         build_mask64_2_operands, rs6000_output_dwarf_dtprel,
4162         rs6000_emit_set_const, rs6000_emit_move,
4163         spe_build_register_parallel, function_arg,
4164         rs6000_move_block_from_reg, altivec_expand_predicate_builtin,
4165         spe_expand_predicate_builtin, spe_expand_evsel_builtin,
4166         rs6000_expand_builtin, spe_init_builtins, altivec_init_builtins,
4167         rs6000_common_init_builtins, expand_block_clear,
4168         expand_block_move, validate_condition_mode, ccr_bit, extract_MB,
4169         extract_ME, rs6000_get_some_local_dynamic_name,
4170         rs6000_output_function_entry, print_operand,
4171         print_operand_address, rs6000_generate_compare, rs6000_emit_sCOND,
4172         output_cbranch, output_e500_flip_gt_bit,
4173         rs6000_emit_vector_compare, rs6000_emit_vector_compare,
4174         rs6000_emit_cmove, rs6000_emit_minmax, rs6000_split_multireg_move,
4175         compute_save_world_info, rs6000_stack_info,
4176         rs6000_emit_load_toc_table, rs6000_frame_related,
4177         spe_synthesize_frame_save, rs6000_emit_epilogue,
4178         rs6000_output_function_epilogue, rs6000_hash_constant, output_toc,
4179         output_function_profiler, rs6000_trampoline_size,
4180         rs6000_initialize_trampoline, find_addr_reg,
4181         rs6000_machopic_legitimize_pic_address,
4182         rs6000_initial_elimination_offset,
4183         rs6000_dbx_register_number): Likewise.
4184         * config/rs6000/rs6000.md (*fix_truncdfsi2_internal,
4185         *movdf_hardfloat32, *movdf_softfloat32, *fix_trunctfsi2_internal,
4186         *movti_power, *movti_string, call, call_value, sibcall,
4187         sibcall_value): Likewise.
4188         * config/rs6000/spe.md (*movdf_e500_double,
4189         *movv2si_internal): Likewise.
4190         * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): Remove 'abort'
4191         from comment.
4192
4193 2005-04-24  Richard Henderson  <rth@redhat.com>
4194
4195         PR target/21101
4196         * config/i386/i386.h (CANNOT_CHANGE_MODE_CLASS): Move guts to ...
4197         * config/i386/i386.c (ix86_cannot_change_mode_class): ... here.
4198         Deny modes smaller than 4 bytes.
4199         * config/i386/i386-protos.h: Update.
4200
4201 2005-04-24  Ralf Corsepius  <ralf.corsepius@rtems.org>
4202
4203         * config.gcc (h8300-*-rtems*): Add h8300-*-rtemscoff*.
4204         Switch h8300-*-rtems* to ELF.
4205
4206 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
4207
4208         * vec.h (VEC_safe_grow): Replace grow with safe_grow.
4209
4210 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
4211
4212         * ipa-inline.c, tree-ssa-operands.h: Fix comment typos.
4213
4214 2005-04-23  Richard Guenther  <rguenth@gcc.gnu.org>
4215
4216         PR middle-end/21082
4217         * fold-const.c: Fold &a[i]-&a[j] to i-j.
4218
4219 2005-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
4220
4221         * tree-ssa-loop-niter.c (tree_simplify_using_condition): Expand simple
4222         definitions of ssa names in condition.  Split recusive part to ...
4223         (tree_simplify_using_condition_1): New function.
4224         (expand_simple_operations): New function.
4225
4226 2005-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
4227
4228         * tree-ssa-loop-ivopts.c (struct cost_pair): Add value field.
4229         (find_interesting_uses_cond): Do not use integer_zerop and
4230         integer_nonzerop to check for integer constants.
4231         (set_use_iv_cost): Record the value field.
4232         (determine_use_iv_cost_generic, determine_use_iv_cost_address,
4233         determine_use_iv_cost_outer): Set the value field of the cost pair.
4234         (may_eliminate_iv): Do not return the comparison code.
4235         (iv_elimination_compare): New function.
4236         (determine_use_iv_cost_condition): Set the value field.  Record
4237         noneliminable invariants correctly.
4238         (rewrite_use_compare, rewrite_use_outer): Use the value field.
4239
4240 2005-04-23  DJ Delorie  <dj@redhat.com>
4241
4242         * diagnostic.c (warning): Accept parameter to classify warning option.
4243         (warning0): New, for when a pointer to an error() like function is needed.
4244         * errors.c (warning): Likewise.
4245         * errors.h (warning, warning0): Adjust prototypes.
4246         * toplev.h (warning, warning0): Likewise.
4247
4248         * attribs.c, builtins.c, c-common.c, c-decl.c, c-format.c,
4249         c-gimplify.c, c-lex.c, c-objc-common.c, c-opts.c, c-parser.c,
4250         c-pragma.c, c-typeck.c, calls.c, cgraph.c, coverage.c, emit-rtl.c,
4251         fold-const.c, fortran/trans-decl.c, function.c, gcse.c,
4252         genautomata.c, haifa-sched.c, opts.c, passes.c, regclass.c,
4253         reload1.c, stmt.c, stor-layout.c, toplev.c, tree-cfg.c,
4254         tree-dump.c, tree-inline.c, tree-mudflap.c, tree-optimize.c,
4255         tree-ssa.c, tree.c, varasm.c: Adjust warning() callers.
4256
4257         * config/alpha/alpha.c, config/arc/arc.c, config/arm/arm.c,
4258         config/avr/avr.c, config/bfin/bfin.c, config/c4x/c4x-c.c,
4259         config/c4x/c4x.c, config/cris/cris.c, config/darwin-c.c,
4260         config/darwin.c, config/darwin.h, config/h8300/h8300.c,
4261         config/i386/cygming.h, config/i386/djgpp.h, config/i386/i386.c,
4262         config/i386/winnt.c, config/ia64/ia64-c.c, config/ia64/ia64.c,
4263         config/ip2k/ip2k.c, config/m32r/m32r.c, config/m68hc11/m68hc11.c,
4264         config/m68k/m68k.c, config/mcore/mcore.c, config/mips/mips.c,
4265         config/mmix/mmix.c, config/ns32k/ns32k.c, config/pa/pa-hpux11.h,
4266         config/pa/pa.c, config/rs6000/aix43.h, config/rs6000/aix51.h,
4267         config/rs6000/aix52.h, config/rs6000/darwin.h,
4268         config/rs6000/rs6000-c.c, config/rs6000/rs6000.c,
4269         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
4270         config/sh/symbian.c, config/sol2-c.c, config/sol2.c,
4271         config/stormy16/stormy16.c, config/v850/v850-c.c,
4272         config/v850/v850.c, config/xtensa/xtensa.c: Adjust warning()
4273         callers.
4274
4275 2005-04-23  Richard Henderson  <rth@redhat.com>
4276
4277         PR rtl-opt/21102
4278         * simplify-rtx.c (simplify_binary_operation): Fix mode check before
4279         performing some integral scalar simplifications.
4280
4281 2005-04-23  Richard Henderson  <rth@redhat.com>
4282
4283         PR target/21099
4284         * config/i386/i386.c (ix86_split_to_parts): Use proper mode when
4285         simplifying CONST_VECTOR.
4286
4287 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
4288
4289         * tree-ssa-live.c (live_worklist): Take a stack allocated on
4290         heap as an argument.  Update uses of stack.
4291         (calculate_live_on_entry): Allocate stack on heap.
4292
4293         * tree-ssa-live.c (build_tree_conflict_graph): Allocate
4294         partition_link and tpa_nodes on heap.
4295
4296         * tree-ssa-dce.c (worklist): Change to VEC(tree,heap).
4297         (mark_stmt_necessary, propagate_necessity,
4298         mark_really_necessary_kill_operand_phis): Update uses of
4299         worklist.
4300         (tree_dce_init): Allocate worklist using VEC_alloc.
4301         (tree_dce_done): Free worklist using VEC_free.
4302
4303 2005-04-23  Mike Stump  <mrs@apple.com>
4304
4305         * config/darwin.c (machopic_indirection_name): Don't use
4306         quotes needlessly.
4307         (darwin_emit_unwind_label): Use user_label_prefix instead of
4308         "_".
4309
4310 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
4311
4312         * final.c, ipa-inline.c, varasm.c: Fix comment typos.
4313
4314 2005-04-23  Hans-Peter Nilsson  <hp@axis.com>
4315
4316         * config.gcc <cris-*>: Specify .opt files.
4317         * config/cris/cris.opt, config/cris/elf.opt, config/cris/aout.opt,
4318         config/cris/linux.opt: New files.
4319         * config/cris/aout.h (CRIS_SUBTARGET_SWITCHES)
4320         (CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
4321         (TARGET_ELF): Override to 0.
4322         (CRIS_SUBTARGET_HANDLE_OPTION): Override to handle -melinux and
4323         -melinux-stacksize=N.
4324         * config/cris/cris.c: (cris_handle_option): New function.
4325         (TARGET_DEFAULT_TARGET_FLAGS): Override.
4326         (TARGET_HANDLE_OPTION): Override to cris_handle_option.
4327         (cris_override_options): Use MASK_*, not TARGET_MASK_*.
4328         * config/cris/cris.h (TARGET_MASK_SVINTO, TARGET_SVINTO,
4329         (TARGET_MASK_CCINIT, TARGET_CCINIT, TARGET_MASK_PDEBUG)
4330         (TARGET_PDEBUG, TARGET_MASK_SIDE_EFFECT_PREFIXES)
4331         (TARGET_SIDE_EFFECT_PREFIXES, TARGET_MASK_EXPAND_MUL)
4332         (TARGET_EXPAND_MUL, TARGET_MASK_STACK_ALIGN, TARGET_STACK_ALIGN)
4333         (TARGET_MASK_CONST_ALIGN, TARGET_CONST_ALIGN)
4334         (TARGET_MASK_DATA_ALIGN, TARGET_DATA_ALIGN)
4335         (TARGET_MASK_PROLOGUE_EPILOGUE, TARGET_PROLOGUE_EPILOGUE)
4336         (TARGET_MASK_ETRAX4_ADD, TARGET_ETRAX4_ADD)
4337         (TARGET_MASK_ALIGN_BY_32, TARGET_ALIGN_BY_32, TARGET_MASK_ELF)
4338         (TARGET_ELF, TARGET_MASK_LINUX, TARGET_LINUX)
4339         (TARGET_MASK_AVOID_GOTPLT, TARGET_AVOID_GOTPLT)
4340         (TARGET_MASK_MUL_BUG, TARGET_MUL_BUG, TARGET_SWITCHES)
4341         (CRIS_SUBTARGET_SWITCHES, TARGET_OPTIONS)
4342         (CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
4343         (TARGET_LINUX): Define 0.
4344         (TARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.
4345         (CRIS_SUBTARGET_DEFAULT): Define to 0, not TARGET_MASK_ELF.
4346         (CRIS_SUBTARGET_DEFAULT): New empty default macro.
4347         * config/cris/linux.h (CRIS_SUBTARGET_SWITCHES): Don't define.
4348         (TARGET_LINUX): Override to 1.
4349         (CRIS_SUBTARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.
4350
4351 2005-04-23  Nathan Sidwell  <nathan@codesourcery.com>
4352
4353         * haifa-sched.c (schedule_block): Fix thinko in previous
4354         assertification patch.
4355
4356 2005-04-23  Richard Sandiford  <rsandifo@redhat.com>
4357
4358         * config.gcc (hppa[12]*-*-hpux10*): Add pa/pa-hpux.opt to
4359         $extra_options.  Also add pa/pa-hpux1010.opt for hpux10.[1-9]*.
4360         (hppa*64*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file.  Add
4361         pa/pa-hpux.opt, pa/pa-hpux1010.opt and pa/pa64-hpux.opt to
4362         $extra_options.  Also add pa/pa-hpux1111.opt for hpux11.[1-9]*.
4363         (hppa[12]*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file.  Add
4364         pa/pa-hpux.opt to $extra_options.  Also add pa/pa-hpux1111.opt
4365         for hpux11.[1-9]*.
4366         * config/pa/pa.h (architecture_type, rtx_def, pa_arch_string, pa_arch)
4367         (pa_fixed_range_string, pa_cpu_string, pa_unix_string, target_flags)
4368         (MASK_PA_11, MASK_DISABLE_FPREGS, TARGET_DISABLE_FPREGS)
4369         (MASK_NO_SPACE_REGS, TARGET_NO_SPACE_REGS, MASK_JUMP_IN_DELAY)
4370         (TARGET_JUMP_IN_DELAY, MASK_DISABLE_INDEXING, TARGET_DISABLE_INDEXING)
4371         (MASK_PORTABLE_RUNTIME, TARGET_PORTABLE_RUNTIME, MASK_GAS, TARGET_GAS)
4372         (MASK_SOFT_FLOAT, TARGET_SOFT_FLOAT, MASK_LONG_LOAD_STORE)
4373         (TARGET_LONG_LOAD_STORE, MASK_FAST_INDIRECT_CALLS)
4374         (TARGET_FAST_INDIRECT_CALLS, MASK_BIG_SWITCH, TARGET_BIG_SWITCH)
4375         (MASK_PA_20, MASK_SIO, TARGET_SIO, MASK_GNU_LD, TARGET_GNU_LD)
4376         (MASK_LONG_CALLS, TARGET_LONG_CALLS, TARGET_PA_11, TARGET_PA_20)
4377         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS)
4378         (SUBTARGET_OPTIONS): Delete.
4379         (TARGET_PA_10): Redefine in terms of TARGET_PA_11 and TARGET_PA_20.
4380         (TARGET_SCHED_DEFAULT): Define to a PROCESSOR_* enum (PROCESSOR_8000)
4381         instead of a string.
4382         * config/pa/pa.c (pa_arch, pa_arch_string, pa_fixed_range_string)
4383         (pa_cpu_string, pa_unix_string): Delete.
4384         (pa_cpu): Initialize to TARGET_SCHED_DEFAULT.
4385         (flag_pa_unix): Initialize based on TARGET_HPUX_11_11 and
4386         TARGET_HPUX_10_10.
4387         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
4388         (pa_handle_option): New function.
4389         (override_options): Remove handling of -march=, -mfixed-range=,
4390         -mschedule= and -munix=.
4391         * config/pa/pa-hpux.h (SUBTARGET_SWITCHES): Delete.
4392         * config/pa/pa-hpux1010.h (SUBTARGET_OPTIONS): Delete.
4393         * config/pa/pa-hpux10.h (SUBTARGET_OPTIONS): Delete.
4394         * config/pa/pa-hpux1111.h (SUBTARGET_OPTIONS): Delete.
4395         * config/pa/pa-hpux11.h (SUBTARGET_OPTIONS): Delete.
4396         * config/pa/pa64-hpux.h (SUBTARGET_SWITCHES): Delete.
4397         * config/pa/pa64-start.h (TARGET_PA_11, TARGET_PA_20): #undef before
4398         redefining.
4399         * config/pa/pa.opt: New file.
4400         * config/pa/pa-hpux.opt: New file.
4401         * config/pa/pa-hpux1010.opt: New file.
4402         * config/pa/pa-hpux1111.opt: New file.
4403         * config/pa/pa64-hpux.opt: New file.
4404
4405 2005-04-22  David S. Miller  <davem@davemloft.net>
4406
4407         * rtl.h (CONST_DOUBLE): Fix comment, a CONST_DOUBLE holds an
4408         integer when it's mode is VOIDmode not DImode.
4409
4410 2005-04-22  Geoffrey Keating  <geoffk@apple.com>
4411
4412         * config/rs6000/rs6000.md (sync_add<mode>_internal,
4413         sync_addshort_internal, sync_sub<mode>_internal, sync_andsi_internal,
4414         sync_anddi_internal, sync_boolsi_internal, sync_booldi_internal,
4415         sync_boolc<mode>_internal, sync_boolc<mode>_internal2,
4416         sync_boolcc<mode>_internal, sync_lock_test_and_set<mode>): Use
4417         "bne- $-xxx" rather than local labels.
4418         (sync_lock_release<mode>): Add second operand.
4419         (lwsync): Use .long rather than a more meaningful opcode.
4420         * doc/md.texi (Standard Names): Add description of second
4421         parameter to sync_lock_test_and_set.
4422
4423 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
4424
4425         PR tree-optimization/21088
4426         * fold-const.c (fold_unary, fold_binary, fold_ternary):
4427         Export.
4428         * tree-vrp.c (compare_values): Use fold_binary to compare
4429         pointers.  Use boolean_type_node as the type of a comparison
4430         expression being folded.
4431         * tree.h: Add prototypes for fold_unary, fold_binary,
4432         fold_ternary.
4433
4434         * tree-ssa-dom.c: Fix formatting.
4435
4436 2005-04-22  Diego Novillo  <dnovillo@redhat.com>
4437
4438         * Makefile.in (tree-into-ssa.o): Add dependency on PARAMS_H.
4439         * lambda-code.c (perfect_nestify): Mark virtual operands in
4440         the moved statement for renaming.
4441         * params.def (PARAM_MIN_VIRTUAL_MAPPINGS): Define.
4442         (PARAM_VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
4443         * params.h (MIN_VIRTUAL_MAPPINGS): Define.
4444         (VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
4445         * tree-flow.h (struct var_ann_d): Update comments.
4446         (rewrite_to_new_ssa_names_bb, rewrite_to_new_ssa_names,
4447         allocate_ssa_names, find_phi_node_for, dump_tree_ssa,
4448         debug_tree_ssa, debug_def_blocks, dump_tree_ssa_stats,
4449         debug_tree_ssa_stats, rewrite_ssa_into_ssa,
4450         dump_repl_tbl, debug_repl_tbl, dump_names_replaced_by,
4451         debug_names_replaced_by): Remove declarations.
4452         (delete_update_ssa, get_current_def, set_current_def): Declare.
4453         (rewrite_into_loop_closed_ssa): Add new argument.  Update
4454         all callers.
4455         * tree-into-ssa.c: Include params.h.
4456         (old_virtual_ssa_names): Remove.  Update all users.
4457         (need_to_replace_names_p): Remove.  Update all users.
4458         (struct update_ssa_stats_d): Declare.
4459         (update_ssa_stats): New local.
4460         (dump_tree_ssa, debug_tree_ssa, debug_def_blocks,
4461         dump_tree_ssa_stats, debug_tree_ssa_stats,
4462         dump_update_ssa, debug_update_ssa,
4463         dump_names_replaced_by, debug_names_replaced_by): Declare.
4464         (get_current_def, set current_def): Make extern.
4465         (is_old_name, is_new_name): Protect against references
4466         past the end of the sets.
4467         (add_new_name_mapping): Assert that OLD and NEW are
4468         different SSA names for the same symbol.
4469         When adding a virtual mapping, update stats for virtual
4470         mapping heuristic.
4471         (insert_phi_nodes_for): If UPDATE_P is true, create the
4472         LHS of the new PHI by duplicating SSA name VAR.
4473         (insert_phi_nodes_1): Remove.  Update all users.
4474         (insert_phi_nodes): Remove second argument.  Update all
4475         users.
4476         (maybe_replace_use, maybe_replace_def): New.
4477         (rewrite_update_stmt): Call them.
4478         (mark_def_interesting): Remove calls to is_gimple_reg.
4479         (prepare_phi_args_for_update): Remove.  Update all users.
4480         (prepare_block_for_update): Only process virtual operands
4481         and GIMPLE registers in normal form.
4482         (prepare_use_sites_for): New.
4483         (prepare_names_to_update): Rename from prepare_def_sites.
4484         Call prepare_use_sites_for.
4485         (dump_update_ssa): Rename from dump_repl_tbl.
4486         Update all users.
4487         Show statistics for virtual mapping heuristic.
4488         (debug_update_ssa): Rename from debug_debug_repl_tbl.
4489         (init_update_ssa): Initialize UPDATE_SSA_STATS.
4490         (delete_update_ssa): Make extern.
4491         (mark_set_for_renaming): If the set is empty, do nothing.
4492         (release_ssa_name_after_update_ssa): Update comment.
4493         (insert_updated_phi_nodes_for): Do not remove existing
4494         PHI nodes for symbols.
4495         (switch_virtuals_to_full_rewrite_p): New.
4496         (switch_virtuals_to_full_rewrite): New.
4497         (update_ssa): Call them.
4498         Clear REWRITE_THIS_STMT and REGISTER_DEFS_IN_THIS_STMT
4499         for every statement before updating.
4500         If all the names in NEW_SSA_NAMES have been marked for
4501         removal, do nothing.
4502         Only start at the top of the CFG if there are symbols in
4503         SYMS_TO_RENAME.
4504         (ssa_rewrite_finalize_block): Remove.
4505         (ssa_register_new_def): Remove.
4506         (ssa_rewrite_stmt): Remove.
4507         (ssa_rewrite_phi_arguments): Remove.
4508         (ssa_rewrite_initialize_block): Remove.
4509         (ssa_mark_def_sites): Remove.
4510         (ssa_mark_def_sites_initialize_block): Remove.
4511         (ssa_mark_phi_uses): Remove.
4512         (rewrite_ssa_into_ssa): Remove.
4513         * tree-phinodes.c (find_phi_node_for): Remove.
4514         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
4515         Call update_ssa.
4516         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops):
4517         Remove calls to verify_dominators and
4518         verify_loop_structure.
4519         (tree_unswitch_single_loop): Call update_ssa.
4520         * tree-ssa.c (verify_ssa): Assert that need_ssa_update_p
4521         returns false.
4522         Call verify_stmts.
4523         (delete_tree_ssa): Assert that need_ssa_update_p returns
4524         false.
4525         * tree-vect-transform.c (vect_transform_loop): Call update_ssa.
4526         * tree-vectorizer.c (allocate_new_names, rename_def_op,
4527         free_new_names): Remove.  Update all users.
4528         (rename_use_op): Call get_current_def.
4529         (rename_variables_in_bb): Do not handle any real or
4530         virtual definition.
4531         (slpeel_update_phis_for_duplicate_loop): Call
4532         get_current_def and set_current_def instead of using
4533         SSA_NAME_AUX.
4534         (slpeel_update_phi_nodes_for_guard2): Reformat comments.
4535         (slpeel_can_duplicate_loop_p): Call need_ssa_update_p,
4536         ssa_names_to_replace and delete_update_ssa.
4537         * doc/invoke.texi: Document --param min-virtual-mappings
4538         and --param virtual-mappings-ratio.
4539
4540 2005-04-22  Diego Novillo  <dnovillo@redhat.com>
4541
4542         * tree-cfg.c (tree_duplicate_bb): Call create_new_def_for
4543         for newly created PHI nodes.
4544         Call create_new_def_for for every new V_MAY_DEF and
4545         V_MUST_DEF on the copied statement.
4546         (struct ssa_name_map_entry): Remove.
4547         (ssa_name_map_entry_hash): Remove.
4548         (ssa_name_map_entry_eq): Remove.
4549         (allocate_ssa_names): Remove.
4550         (rewrite_to_new_ssa_names_def): Remove.
4551         (rewrite_to_new_ssa_names_use): Remove.
4552         (rewrite_to_new_ssa_names_bb): Remove.
4553         (rewrite_to_new_ssa_names): Remove.
4554         (tree_duplicate_sese_region): Remove variables ver,
4555         definitions, phi, ssa_name_map and bi.
4556         Call need_ssa_update_p instead of any_marked_for_rewrite_p.
4557         Call update_ssa.
4558         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
4559         update_ssa instead of rewrite_ssa_into_ssa.
4560         * tree-ssa-loop-manip.c (add_exit_phis_edge): Call
4561         create_new_def_for.
4562         (find_uses_to_rename_use): Add argument 'need_phis'.
4563         (find_uses_to_rename_stmt): Do not scan virtual operands.
4564         (find_uses_to_rename): Only scan PHI nodes for
4565         non-virtual names.
4566         (rewrite_into_loop_closed_ssa): Call update_ssa.
4567         (check_loop_closed_ssa_use): Ignore virtual operands.
4568         (check_loop_closed_ssa_stmt): Likewise.
4569         (verify_loop_closed_ssa): Do nothing if CURRENT_LOOPS is
4570         NULL.
4571         (rename_variables, set_phi_def_stmts): Remove.
4572         (tree_duplicate_loop_to_header_edge): Reformat comment.
4573         Remove variables BB, I and DEFINITIONS.
4574         Call need_ssa_update_p.
4575         Call update_ssa.
4576         (lv_adjust_loop_header_phi): Reformat comment.
4577         * tree-ssanames.c (ssa_names_to_rewrite): Remove.
4578         (marked_for_rewrite_p, any_marked_for_rewrite_p,
4579         mark_for_rewrite, unmark_all_for_rewrite,
4580         marked_ssa_names): Remove.  Update all users.
4581         (release_ssa_name): If VAR has been registered for SSA
4582         updating, do nothing.
4583         * tree-vrp.c (new_ssa_names, old_ssa_names): Remove.
4584         (build_assert_expr_for): Call register_new_name_mapping.
4585         (insert_range_assertions): Update call to update_ssa.
4586         * tree.h (mark_for_rewrite, unmark_all_for_rewrite,
4587         marked_for_rewrite_p, any_marked_for_rewrite_p,
4588         marked_ssa_names): Remove.
4589
4590 2005-04-22  Jeff Law  <law@redhat.com>
4591
4592         * tree-ssa-dom.c (block_defs_stack): Remove, no longer needed.
4593         (restore_currdefs_to_original_value): Likewise.
4594         (register_definitions_for_stmt): Likewise.
4595         (tree_ssa_dominator_optimize): No longer initialize CURRENT_DEF
4596         for each variable.  Do not allocate/free block_defs_stack either.
4597         Do not iterate if we just thread jumps.  Only iterate if the
4598         tree_cleanup_cfg does useful work (temporary).
4599         (dom_opt_initialize_block): No longer push a marker on
4600         BLOCK_DEFS_STACK.
4601         (dom_opt_finalize_block): Removal call to restore currdefs.
4602         Relax restrictions for recording edge equivalences.
4603         (record_equivalences_from_phis): No longer need to track
4604         CURRENT_DEF.
4605         (optimize_stmt): Similarly.
4606         (thread_across_edge): Simplify by removing the requirement that
4607         statements in the block we are threading through must be nops.
4608         (initialize_hash_element): Handle GOTO_EXPR.
4609
4610 2005-04-22  David S. Miller  <davem@davemloft.net>
4611
4612         * sched-vis.c (print_value): Use CONST_DOUBLE_LOW and
4613         CONST_DOUBLE_HIGH.
4614         * config/sparc/sparc.c (sparc_rtx_costs): Likewise, and
4615         fix check on CONST_DOUBLE mode.  It should be VOIDmode
4616         when it is representing an integer.
4617
4618 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
4619
4620         * builtins.c (gimplify_va_arg_expr): Reword comments to avoid
4621         'abort'. Use gcc_assert and gcc_unreachable as appropriate.
4622         * c-format.c (get_constant, decode_format_attr, get_flag_spec,
4623         find_char_info_specifier_index,
4624         find_length_info_modifier_index): Likewise.
4625         * c-typeck.c (composite_type, pop_init_level): Likewise.
4626         * combine.c (cant_combine_insn_p, try_combine): Likewise.
4627         * cse.c (cse_insn): Likewise
4628         * dominance.c (calc_dfs_tree): Likewise
4629         dwarf2out.c (loc_descriptor_from_tree_1,
4630         add_abstract_origin_attribute, force_decl_die,
4631         force_type_die): Likewise
4632         emit-rtl.c (operand_subword_force): Likewise
4633         explow.c (hard_function_value): Likewise
4634         expmed.c (store_bit_field, expand_divmod,
4635         emit_store_flag_force): Likewise
4636         expr.c (emit_move_multi_word, store_expr,
4637         expand_expr_real_1): Likewise
4638         final.c (this_is_asm_operands, shorten_branches, final_scan_insn,
4639         output_operand): Likewise
4640         flow.c (recompute_reg_usage): Likewise
4641         * function.c (assign_stack_temp_for_type, assign_temp,
4642         handle_epilogue_set): Likewise
4643         * genextract.c (main): Likewise
4644         * gimplify.c (mostly_copy_tree_r, gimplify_return_expr,
4645         gimplify_modify_expr_rhs, gimplify_expr): Likewise
4646         * haifa-sched.c (ready_lastpos, ready_remove_first, ready_element,
4647         ready_remove, rm_line_notes, rm_other_notes,
4648         schedule_block): Likewise
4649         mips-tfile.c (copy_object, out_of_bounds): Likewise
4650
4651 2005-04-22 David Edelsohn  <edelsohn@gnu.org>
4652
4653         PR target/20813
4654         * config/rs6000/default64.h (TARGET_DEFAULT): Add MASK_PPC_GFXOPT.
4655         * config/rs6000/rs6000.c (processor_target_table): Rename rs64a to
4656         rs64.  Add MASK_PPC_GFXOPT to powerpc64 and rs64.
4657         (rs6000_init_libfuncs): Set TFmode optabs to xlq names if
4658         TARGET_XL_COMPAT.
4659         * doc/invoke.texi (PowerPC options): Change rs64a to rs64.
4660
4661 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
4662
4663         * lambda-code.c: Define VEC(int,heap), VEC(lambda_loop,heap).
4664         (gcc_tree_to_linear_expression): Convert to heap allocated
4665         vectors.
4666         (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
4667         lbv_to_gcc_expression, lle_to_gcc_expression,
4668         lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest,
4669         perfect_nestify): Likewise.
4670         lambda.h (gcc_loopnest_to_lambda_loopnest,
4671         lambda_loopnest_to_gcc_loopnest): Likewise.
4672         tree-loop-linear.c (linear_transform_loops): Likewise.
4673
4674 2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
4675
4676         * config/sparc/predicates.md (arith_double_operand): Use
4677         trunc_int_for_mode if HOST_BITS_PER_WIDE_INT >=64.
4678         * config/sparc/sparc.md (movqi, movhi, movsi, movqi): Use gen_int_mode.
4679         (DImode, DFmode constant splitters): Likewise.  Remove code for
4680         TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT < 64.
4681         (logical constant splitters): Use const_int_operand predicate.
4682         (lshrsi3_extend): Remove code for TARGET_ARCH64 &&
4683         HOST_BITS_PER_WIDE_INT < 64.
4684
4685 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
4686
4687         * config/pa/pa.c (legitimize_pic_address): Use gcc_assert and
4688         gcc_unreachable as appropriate.
4689         (force_mode, emit_move_sequence, singlemove_string,
4690         output_move_double, output_fp_move_double, find_addr_reg,
4691         output_block_move, output_block_clear, output_and,
4692         output_64bit_and, output_ior, output_64bit_ior, store_reg_modify,
4693         pa_adjust_cost, pa_issue_rate, print_operand,
4694         output_global_address, output_arg_descriptor, output_cbranch,
4695         output_lbranch, output_bb, output_bvb, output_dbra, output_movb,
4696         output_call): Likewise.
4697         * config/pa/pa.md (call, call_value, sibcall, sibcall_value,
4698         prefetch, prefetch_cc, prefetch_nocc): Likewise.
4699
4700 2005-04-22  Zdenek Dvorak  <dvorakz@suse.cz>
4701
4702         * Makefile.in (LIBGCOV): Add _gcov_interval_profiler,
4703         _gcov_pow2_profiler and _gcov_one_value_profiler.
4704         (tree-profile.o): Add GGC_H and gt-tree-profile.h dependency.
4705         (GTFILES): Add $(srcdir)/tree-profile.c.
4706         * gcov-io.h (__gcov_interval_profiler, __gcov_pow2_profiler,
4707         __gcov_one_value_profiler): Declare.
4708         * gimplify.c (force_gimple_operand): Check whether the statements
4709         should be produced in ssa form.
4710         (force_gimple_operand_bsi): New function.
4711         * libgcov.c (__gcov_interval_profiler, __gcov_pow2_profiler,
4712         __gcov_one_value_profiler): New functions.
4713         * rtl-profile.c (rtl_gen_pow2_profiler): Only measure whether
4714         the profiled value is a power of two or not.
4715         * tree-cfg.c (tree_block_ends_with_condjump_p): Handle empty blocks.
4716         * tree-flow.h (in_ssa_p): Declare.
4717         (force_gimple_operand_bsi): Declare.
4718         * tree-into-ssa.c (in_ssa_p): New variable.
4719         (rewrite_into_ssa): Set in_ssa_p.
4720         * tree-outof-ssa.c (rewrite_out_of_ssa): Set in_ssa_p.
4721         * tree-profile.c: Include ggc.h and gt-tree-profile.h.
4722         (gcov_type_node, tree_interval_profiler_fn, tree_pow2_profiler_fn,
4723         tree_one_value_profiler_fn): New variables.
4724         (tree_init_edge_profiler): Initialize the profiler function decls.
4725         (tree_gen_edge_profiler): Use global gcov_type_node.
4726         (prepare_instrumented_value): New function.
4727         (tree_gen_interval_profiler, tree_gen_interval_profiler,
4728         tree_gen_one_value_profiler): Call the library functions instead of
4729         creating instrumentation code.
4730         * tree.c (build_fn_decl): New function.
4731         * tree.h (build_fn_decl): Declare.
4732         * value-prof.c (rtl_divmod_values_to_profile,
4733         rtl_find_values_to_profile, rtl_mod_pow2_value_transform,
4734         tree_mod_pow2_value_transform, tree_find_values_to_profile):
4735         Do not handle may_be_other and precise values of exponents at pow2
4736         profiler.
4737         (tree_mod_subtract_transform): Reflect that value field of
4738         histogram has changed meaning.
4739         (tree_divmod_values_to_profile): Record the values correctly.
4740         (tree_values_to_profile): Update comment.
4741         * value-prof.h (struct histogram_value_t): Remove pow2 data.
4742
4743 2005-04-22  Joseph S. Myers  <joseph@codesourcery.com>
4744
4745         * varasm.c (do_assemble_alias): Return early if TREE_ASM_WRITTEN
4746         (decl).
4747
4748 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
4749
4750         * config/i386/i386.md (length_immediate): Use gcc_assert or
4751         gcc_unreachable, as appropriate.
4752         (*movsi_1, *movqi_1, reload_outqi, *movdi_1_rex64, *pushsf,
4753         *pushsf_rex64, *truncxfsf2_mixed, *truncxfsf2_i387,
4754         *truncxfdf2_mixed, *truncxfdf2_i387, *adddi_1_rex64,
4755         *adddi_2_rex64, *adddi_3_rex64, *adddi_4_rex64, *adddi_5_rex64,
4756         *addsi_1, addsi_1_zext, *addsi_2, *addsi_2_zext, *addsi_3,
4757         *addsi_3_zext, *addsi_4, *addsi_5, *addhi_1_lea, *addhi_1,
4758         *addhi_2, *addhi_3, *addhi_4, *addhi_5, *addqi_1_lea, *addqi_1,
4759         *addqi_1_slp, *addqi_2, *addqi_3, *addqi_4, *addqi_5, addqi_ext_1,
4760         *addqi_ext_1_rex64, *anddi_1_rex64, *andsi_1, *andhi_1,
4761         *ashldi3_1_rex64, *ashldi3_cmp_rex64, *ashlsi3_1, *ashlsi3_1_zext,
4762         *ashlsi3_cmp, *ashlsi3_cmp_zext, *ashlhi3_1_lea, *ashlhi3_1,
4763         *ashlhi3_cmp, *ashlqi3_1_lea, *ashlqi3_1, *ashlqi3_cmp,
4764         pro_epilogue_adjust_stack_1, pro_epilogue_adjust_stack_rex64,
4765         pro_epilogue_adjust_stack_rex64_2, prefetch, *prefetch_sse,
4766         *prefetch_sse_rex): Likewise.
4767         * config/i386/predicates.md (x86_64_immediate_operand,
4768         x86_64_zext_immediate_operand, symbolic_operand,
4769         no_seg_address_operand, aligned_operand,
4770         memory_displacement_operand): Likewise.
4771         * config/i386/sse.md (*mov<mode>_internal,
4772         *movv2df_internal): Likewise.
4773
4774 2005-04-22  Jan Hubicka  <jh@suse.cz>
4775
4776         * Makefile.in (ipa.o, ipa-inline.o): New files.
4777         * cgraph.h (cgraph_remove_unreachable_nodes, cgraph_postorder,
4778         cgraph_decide_inlining_incrementally, cgraph_clone_inlined_nodes,
4779         cgraph_mark_inline_edge, cgraph_default_inline_p): Declare.
4780         * cgraphunit.c (cgraph_default_inline_p,
4781         cgraph_decide_inlining_incrementally,  ncalls_inlined,
4782         nfunctions_inlined, initial_insns, overall_insns,
4783         cgraph_estimate_size_after_inlining, cgraph_estimate_growth,
4784         cgraph_clone_inlined_nodes, cgraph_mark_inline_edge,
4785         cgraph_mark_inline, cgraph_check_inline_limits,
4786         cgraph_default_inline_p, cgraph_recursive_inlining_p,
4787         update_callee_keys, lookup_recursive_calls,
4788         cgraph_decide_recursive_inlining, cgraph_set_inline_failed,
4789         cgraph_decide_inlining_of_small_functions, cgraph_decide_inlining,
4790         cgraph_decide_inlining_incrementally, cgraph_gate_inlining,
4791         pass_ipa_inline): Move to ipa-inline.c
4792         (cgraph_postorder, cgraph_remove_unreachable_nodes): Move to ipa.c
4793         * ipa.c: New file.
4794         * ipa-inline.c: New file.
4795
4796 2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
4797
4798         * doc/invoke.texi (SPARC options): Document that -mapp-regs
4799         is turned off by default on Solaris.
4800
4801 2005-04-21  Roger Sayle  <roger@eyesopen.com>
4802
4803         * c-common.h (objc_build_method_signature): Update prototype.
4804         * stub-objc.c (objc_build_method_signature): Update the stub
4805         implementation to accept and ignore additional parameter.
4806         * c-parser.c (c_parser_objc_method_decl): Reorgnize to pass
4807         the value of ellipsis to objc_build_method_signature instead
4808         of setting TREE_OVERFLOW on the parms TREE_LIST node.
4809
4810 2005-04-21  Geoffrey Keating  <geoffk@apple.com>
4811
4812         * config/rs6000/rs6000-protos.h (rs6000_emit_sync): New.
4813         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Use
4814         gen_rtx_* not gen_rtx_fmt_*.
4815         (rs6000_emit_vector_select): Likewise.
4816         (rs6000_emit_sync): New.
4817         * config/rs6000/rs6000.md (GPR, INT, INT1): New mode macros.
4818         (larx, stcx, cmp): New mode substitutions.
4819         (UNSPEC_SYNC, UNSPEC_SYNC_OP, UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC,
4820         UNSPEC_ISYNC): New constants.
4821         (rlwinm): Give name.
4822         (memory_barrier, isync, lwsync): New insns.
4823         (sync_compare_and_swap<mode>, sync_lock_test_and_set<mode>): New insn.
4824         (sync_lock_release<mode>): New expander.
4825         (sync_add<mode>, sync_sub<mode>, sync_ior<mode>, sync_and<mode>,
4826         sync_xor<mode>, sync_nand<mode>, sync_old_add<mode>,
4827         sync_old_sub<mode>, sync_old_ior<mode>, sync_old_and<mode>,
4828         sync_old_xor<mode>, sync_old_nand<mode>, sync_new_add<mode>,
4829         sync_new_sub<mode>, sync_new_ior<mode>, sync_new_and<mode>,
4830         sync_new_xor<mode>, sync_new_nand<mode>): New expanders.
4831         (sync_add<mode>_internal, sync_addshort_internal,
4832         sync_sub<mode>_internal, sync_andsi_internal, sync_anddi_internal,
4833         sync_boolsi_internal, sync_booldi_internal, sync_boolc<mode>_internal,
4834         sync_boolc<mode>_internal2, sync_boolcc<mode>_internal): New insns.
4835
4836         * doc/md.texi (Standard Names): sync_compare_and_swap's operand 0
4837         is the memory before, not after, the operation.  Clarify
4838         barrier requirements.
4839
4840 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
4841
4842         * cfghooks.h (struct cfg_hooks): Reword comments to avoid 'abort'.
4843         * lambda.h (lambda_vector_min_nz): Likewise.
4844         * langhooks.h (struct lang_hooks_for_types,
4845         struct lang_hooks): Likewise.
4846         * output.h (assemble_integer, this_is_asm_operands): Likewise.
4847         * tree.h: Likewise.
4848         * vec.h: Likewise.
4849         * tree-flow-inline.h (relink_imm_use): Use gcc_assert.
4850
4851         * optabs.c (prepare_cmp_insn, emit_cmp_and_jump_insns): Reword
4852         comments to avoid 'abort'.  Use gcc_assert as necessary.
4853         * opts.c (common_handle_option): Likewise.
4854         * pretty-print.c (pp_base_format_text): Likewise.
4855         * print-rtl.c (print_rtx): Likewise.
4856         * read-rtl.c (read_rtx_filename, read_rtx_1): Likewise.
4857         * regmove.c (try_auto_increment): Likewise.
4858         * reload.c (find_valid_class, find_reloads_toplev,
4859         find_equiv_reg): Likewise.
4860         * reload1.c (reload, forget_old_reloads_1, function_invariant_p,
4861         merge_assigned_reloads): Likewise.
4862         * tree-inline.c (inline_forbidden_p_1,
4863         estimate_num_insns_1): Likewise.
4864         * tree-optimize.c (execute_todo): Likewise.
4865         * tree-outof-ssa.c (eliminate_phi): Likewise.
4866         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
4867         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Likewise.
4868         * tree-ssa-operands.c (parse_ssa_operands,
4869         get_indirect_ref_operands, create_ssa_artficial_load_stmt): Likewise.
4870         * tree-ssa-pre.c (find_or_generate_expression): Likewise.
4871         * tree-ssanames.c (release_ssa_name): Likewise.
4872         * tree.c (int_bit_position, int_byte_position, tree_low_cst,
4873         walk_tree): Likewise.
4874
4875         * tree-ssa-operands.c (verify_abort): Fold into ..
4876         (verify_imm_links): ... here.
4877
4878 2005-04-21  Richard Henderson  <rth@redhat.com>
4879
4880         * config/alpha/sync.md (sync_new_nand<I48MODE>): Fix constraints
4881         on non-memory operand for previous inversion.
4882
4883 2005-04-21  Devang Patel  <dpatel@apple.com>
4884
4885         PR optimization/20994
4886         * tree-if-conv.c (find_phi_replacement_condition): Avoid generating
4887         x = !(a == b) : p , q;.
4888         (pass_if_conversion): Verify stmts and flow.
4889
4890 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
4891
4892         * optabs.c (gen_conditional_trap): Restore #define.
4893
4894         * alias.c (true_dependence): Remove 'abort' from comments. Use
4895         gcc_assert and gcc_unreachable as appropriate.
4896         (canon_true_dependence): Likewise.
4897         * bb-reorder.c (connect_traces): Likewise.
4898         * c-common.c (c_add_case_label): Likewise.
4899         * c-decl.c (finish_function): Likewise.
4900         * caller-save.c (insert_restore, insert_save): Likewise.
4901         * cfg.c (update_bb_profile_for_threading): Likewise.
4902         * cfganal.c (flow_active_insn_p): Likewise.
4903         * cfgexpand.c (add_reg_br_prob_note): Likewise.
4904         * cfgrtl.c (rtl_redirect_edge_and_branch_force, rtl_split_edge,
4905         cfg_layout_merge_blocks): Likewise.
4906         * ifcvt.c (cond_exec_process_insns, merge_if_block,
4907         find_if_block): Likewise.
4908         * integrate.c (allocate_initial_values): Likewise.
4909         * jump.c (reverse_condition, reverse_condition_maybe_unordered,
4910         swap_condition, unsigned_condition, signed_condition,
4911         mark_jump_label, invert_jump_1, rtx_renumbered_equal_p,
4912         reg_or_subregno): Likewise.
4913         * lambda-code.c (lambda_compute_auxillary_space,
4914         lambda_transform_legal_p): Likewise.
4915         * lambda-mat.c (lambda_matrix_inverse_hard): Likewise.
4916         * langhooks.c (lhd_set_decl_assembler_name, lhd_type_promotes_to,
4917         lhd_incomplete_type_error, lhd_expand_expr,
4918         lhd_types_compatible_p, lhd_tree_size): Likewise.
4919         * lcm.c (create_pre_exit, optimize_mode_switching): Likewise.
4920         * local-alloc.c (update_equiv_regs): Likewise.
4921         * loop-unroll.c (peel_loop_completely
4922         unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
4923         peel_loop_simple, unroll_loop_stupid,
4924         analyze_iv_to_split_insn): Likewise.
4925         * loop.c (gen_prefetch, find_and_verify_loops,
4926         basic_induction_var): Likewise.
4927         * modulo-sched.c (normalize_sched_times, check_nodes_order): Likewise.
4928         * value-prof.c (tree_find_values_to_profile): Likewise.
4929         * varasm.c (named_section, default_assemble_integer,
4930         decode_addr_const): Likewise.
4931
4932 2005-04-21 Alan Modra  <amodra@bigpond.net.au>
4933            Fariborz Jahanian <fjahanian@apple.com>
4934
4935         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Fix size of
4936         portion of argument passed in fpr.
4937         * expr.c (emit_push_insn): Fix computation of 'offset' used to
4938         decide on partial argument save on stack.
4939
4940 2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
4941
4942         * config/sparc/predicates.md, config/sparc/sparc.md: Fix
4943         comment typos.
4944
4945 2005-04-21  Jan Hubicka  <jh@suse.cz>
4946
4947         * cgraphunit.c: Include tree-pass.h
4948         (cgraph_decide_recursive_inlining,
4949         cgraph_decide_inlining_of_small_function, cgraph_set_inline_failed,
4950         cgraph_decide_inlining): Dump goes to dump_file.
4951         (cgraph_optimize): Call ipa passes instead of inliner.
4952         (cgraph_gate_inlining, pass_ipa_inline): New.
4953         * tree-optimize.c (all_ipa_passes): New static variable.
4954         (register_one_dump_file): Dead with IPA passes.
4955         (register_dump_files): Likewise.
4956         (init_tree_optimization_passes): Initialize IPA passes.
4957         (execute_todo): Do cgraph dump when asked to, do not dump function body
4958         for IPA pass.
4959         * tree-pass.h (TODO_dump_cgraph): New macro.
4960         (ipa_passes): Declare.
4961         * Makefile.in (cgraphunit.o): Add dependency on cgraphunit.h
4962
4963 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
4964
4965         * config/i386/i386.c (type_natural_mode): Use gcc_unreachable and
4966         gcc_assert instead of abort.
4967         (classify_argument, examine_argument, construct_container,
4968         contains_128bit_aligned_vector_p, ix86_check_movabs,
4969         standard_80387_constant_opcode, standard_80387_constant_rtx,
4970         ix86_initial_elimination_offset, ix86_compute_frame_layout,
4971         pro_epilogue_adjust_stack, ix86_expand_epilogue,
4972         ix86_address_cost, legitimate_address_p, legitimize_pic_address,
4973         legitimize_tls_address, output_pic_addr_const,
4974         i386_output_dwarf_dtprel, put_condition_code, print_reg,
4975         get_some_local_dynamic_name, print_operand, print_operand_address,
4976         output_387_binary_op, emit_i387_cw_initialization,
4977         output_fix_trunc, output_fp_compare, ix86_output_addr_vec_elt,
4978         ix86_expand_clear, ix86_expand_binary_operator,
4979         ix86_expand_unary_operator, ix86_match_ccmode, ix86_cc_mode,
4980         ix86_cc_modes_compatible, ix86_fp_comparison_codes,
4981         ix86_fp_comparison_arithmetics_cost, ix86_expand_fp_compare,
4982         ix86_expand_branch, ix86_expand_setcc,
4983         ix86_expand_carry_flag_compare, ix86_expand_fp_movcc,
4984         ix86_expand_int_addcc, ix86_split_to_parts, ix86_split_long_move,
4985         ix86_expand_movmem, ix86_expand_call, assign_386_stack_local,
4986         memory_address_length, ix86_attr_length_immediate_default,
4987         ix86_attr_length_address_default, ix86_agi_dependant,
4988         x86_initialize_trampoline, ix86_init_mmx_sse_builtins,
4989         ix86_expand_binop_builtin, ix86_force_to_memory,
4990         ix86_secondary_memory_needed, ix86_avoid_jump_misspredicts,
4991         x86_emit_floatuns): Likewise.
4992         * config/i386/netware.c (gen_regparm_prefix,
4993         i386_nlm_strip_name_encoding): Likewise.
4994         * config/i386/winnt.c (i386_pe_mark_dllexport): Likewise.
4995
4996 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
4997
4998         * optabs.c (gen_condiational_trap): Remove #define.
4999         (add_equal_note): Assertify. Remove explicit indirection from
5000         call via function pointer.
5001         (expand_ternary_op, expand_simple_binop, expand_binop,
5002         expand_twoval_unop, expand_twoval_binop,
5003         expand_twoval_binop_libfunc, expand_simple_unop expand_unop,
5004         emit_unop_insn,  emit_no_conflict_block,  prepare_cmp_insn,
5005         prepare_operand emit_cmp_and_jump_insn_1, emit_cmp_and_jump_insns,
5006         prepare_float_lib_cmp, emit_conditional_move,
5007         emit_conditional_add, gen_add2_insn, gen_add3_insn,
5008         have_add2_insn, gen_sub2_insn, gen_sub3_insn, have_sub2_insn,
5009         expand_float, expand_fix, debug_optab_libfuncs, gen_cond_trap,
5010         vector_compare_rtx, expand_vec_cond_expr): Likewise.
5011
5012 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
5013
5014         * vec.h: Update API to separate allocation mechanism from type.
5015         (VEC_safe_grow): New.
5016         * vec.c (calculate_allocation): New.
5017         (vec_gc_o_reserve, vec_heap_o_reserve): Adjust.
5018         (vec_gc_free, vec_heap_free): Remove.
5019         * gengtype-lex.l (DEF_VEC_): Process mult-argument macros.  Adjust.
5020         (VEC): Likewise.
5021         (mangle_macro_name): New.
5022         (struct macro_def): New.
5023         (struct macro): Add multiple argument values.
5024         (macro_expans_end): New.
5025         (push_macro_expansion):  Chain on new macro. Process multiple
5026         args, create follow on expansion. Return follow on argument.
5027         (macro_input): Deal with multiple arguments.
5028
5029         * tree.h: Define VEC(tree,heap) and VEC(tree,gc).
5030         (struct tree_binfo): Adjust.
5031         * basic-block.h: Define VEC(edge,gc).
5032         (struct edge_def): Adjust.
5033         (struct basic_block_def, struct edge_iterator): Likewise.
5034         (ei_container, ei_start_1, ei_last_1): Likewise.
5035         * cfg.c (connect_src, connect_dest): Likewise.
5036         * cfgrtl.c (force_nonfallthru_and_redirect)
5037         * dbxout.c (dbxout_type)
5038         * dwarf2out.c (gen_member_die)
5039         * lambda-code.c: Define VEC(int,gc), VEC(lambda_loop,gc).
5040         (gcc_tree_to_linear_expression): Adjust.
5041         (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
5042         lbv_to_gcc_expression, lle_to_gcc_expression,
5043         lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest,
5044         perfect_nestify): Likewise.
5045         * lambda.h (gcc_loopnest_to_lambda_loopnest,
5046         lambda_loopnest_to_gcc_loopnest): Adjust prototypes.
5047         * profile.c (instrument_values): Adjust.
5048         * tree-cfg.c (modified_noreturn_calls): Adjust.
5049         (remove_fallthru_edge): Likewise.
5050         * tree-dump.c (dequeue_and_dump): Adjust.
5051         * tree-flow-inline.h (mark_stmt_modified): Adjust.
5052         * tree-flow.h (modified_noreturn_calls): Adjust.
5053         (tree_on_heap): Remove. (yay!)
5054         (register_new_def): Adjust.
5055         * tree-into-ssa.c: Define VEC(int,heap).
5056         (block_defs_stack): Adjust.
5057         (find_idf, insert_phi_nodes, register_new_def,
5058         rewrite_initialize_block, rewrite_finalize_block,
5059         register_new_update_single, rewrite_update_init_block,
5060         rewrite_update_fini_block, rewrite_blocks,
5061         ssa_rewrite_finalize_block, ssa_register_new_def,
5062         ssa_rewrite_initialize_block, rewrite_ssa_into_ssa): Likewise.
5063         * tree-loop-linear.c (linear_transform_loops): Adjust.
5064         * tree-ssa-alias.c: Define VEC(fieldoff_t,heap).
5065         (push_fields_onto_fieldstack, create_overlap_variables_for): Adjust.
5066         * tree-ssa-dom.c (avail_exprs_stack, block_defs_stack,
5067         stmts_to_rescan, const_and_copies_stack, nonzero_vars_stack,
5068         vrp_variables_stack): Adjust declarations.
5069         (tree_ssa_dominator_optimize): Adjust.
5070         (dom_opt_initialize_block, remove_local_expressions_from_table,
5071         restore_nonzero_vars_to_original_value,
5072         restore_vars_to_original_value,
5073         restore_currdefs_to_original_value, dom_opt_finalize_block,
5074         record_var_is_nonzero, record_cond, record_const_or_copy_1,
5075         optimize_stmt, update_rhs_and_lookup_avail_expr,
5076         lookup_avail_expr, record_range): Likewise.
5077         * tree-ssa-pre.c: Define VEC(basic_block,heap).
5078         (compute_antic_aux): Adjust.
5079         (inserted_exprs, create_expression_by_pieces,
5080         insert_into_preds_of_block, eliminate, mark_operand_necessary,
5081         remove_dead_inserted_code, fini_pre): Likewise.
5082         * tree-ssa-propagate.c (interesting_ssa_edges): Adjust.
5083         (varying_ssa_edges, add_ssa_edge, process_ssa_edge_worklist.
5084         ssa_prop_init): Likewise.
5085         * tree-ssa.c: Define VEC(bitmap,heap).
5086         (verify_name_tags): Adjust.
5087         * value-prof.c (rtl_divmod_values_to_profile): Adjust.
5088         (insn_prefetch_values_to_profile, rtl_find_values_to_profile,
5089         tree_divmod_values_to_profile, tree_find_values_to_profile,
5090         value_profile_transformations): Likewise.
5091         * value-prof.h: Define VEC(histogram_value,heap).
5092         * varasm.c: Remove alias_pair pointer typedef, define
5093         VEC(alias_pair,gc).
5094         (finish_aliases_1, finish_aliases_2, assemble_alias): Adjust.
5095
5096         * config/pa/pa.c (typedef extern_symbol): Typedef the structure,
5097         not a pointer to it.  Create an object vector.
5098         (extern_symbols): Turn into an object vector.
5099         (pa_hpux_asm_output_external, pa_hpux_file_end): Adjust.
5100
5101 2005-04-21  Sebastian Pop  <pop@cri.ensmp.fr>
5102
5103         PR/20742
5104         * Makefile.in (tree-chrec.o): Depend on params.h.
5105         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): New parameter with
5106         default value 20.
5107         * tree-chrec.c: Depend on params.h.  Replace build with buildN,
5108         and fold build with fold_buildN.
5109         (chrec_fold_plus_1): Fail with a chrec_don_know when the size of
5110         the expression exceeds PARAM_SCEV_MAX_EXPR_SIZE.
5111         (tree_contains_chrecs): Compute an estimation of the size of the
5112         given expression.
5113         * tree-chrec.h (tree_contains_chrecs): Modify its declaration.
5114         (tree_does_not_contain_chrecs): Update the use of tree_contains_chrecs.
5115         * tree-scalar-evolution.c (simple_iv): Ditto.
5116         * doc/invoke.texi (scev-max-expr-size): Documented.
5117
5118 2005-04-21  Richard Sandiford  <rsandifo@redhat.com>
5119
5120         * config.gcc (*-*-darwin*): Add darwin.opt to $extra_options.
5121         (i[34567]86-pc-msdosdjgpp*): Likewise i386/djgpp.opt.
5122         (i[34567]86-*-lynxos*, powerpc-*-lynxos*): Likewise lynx.opt.
5123         (i[34567]86-*-sco3.2v5*): Likewise i386/sco5.opt.
5124         (i[34567]86-*-pe, i[34567]86-*-cygwin*, i[34567]86-*-mingw32*)
5125         (i[34567]86-*-uwin*): Likewise i386/cygming.opt.
5126         * config/darwin.h (darwin_one_byte_bool, darwin_fix_and_continue)
5127         (darwin_fix_and_continue_switch, SUBTARGET_OPTIONS): Delete.
5128         * config/darwin.c (darwin_one_byte_bool, darwin_fix_and_continue)
5129         (darwin_fix_and_continue_switch): Delete.
5130         * config/lynx.h (SUBTARGET_OS_LYNX_SWITCHES): Delete.
5131         (SUBTARGET_SWITCHES): Delete.
5132         * config/i386/i386.h (target_flags, MASK_80387, MASK_RTD)
5133         (MASK_ALIGN_DOUBLE, MASK_SVR3_SHLIB, MASK_IEEE_FP, MASK_FLOAT_RETURNS)
5134         (MASK_NO_FANCY_MATH_387, MASK_OMIT_LEAF_FRAME_POINTER)
5135         (MASK_STACK_PROBE, MASK_NO_ALIGN_STROPS, MASK_INLINE_ALL_STROPS)
5136         (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS, MASK_MMX)
5137         (MASK_SSE, MASK_SSE2, MASK_SSE3, MASK_3DNOW, MASK_3DNOW_A)
5138         (MASK_128BIT_LONG_DOUBLE, MASK_64BIT, MASK_MS_BITFIELD_LAYOUT)
5139         (MASK_TLS_DIRECT_SEG_REFS, MASK_NO_RED_ZONE, TARGET_80387)
5140         (TARGET_RTD, TARGET_ALIGN_DOUBLE, TARGET_PUSH_ARGS)
5141         (TARGET_ACCUMULATE_OUTGOING_ARGS, TARGET_SVR3_SHLIB, TARGET_IEEE_FP)
5142         (TARGET_128BIT_LONG_DOUBLE, TARGET_NO_FANCY_MATH_387)
5143         (TARGET_USE_FANCY_MATH_387, TARGET_OMIT_LEAF_FRAME_POINTER)
5144         (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Delete.
5145         (TARGET_FLOAT_RETURNS_IN_80387): Make an alias of TARGET_FLOAT_RETURNS.
5146         (TARGET_64BIT): Undef before redefining.
5147         (TARGET_TLS_DIRECT_SEG_REFS, TARGET_STACK_PROBE)
5148         (TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS, TARGET_SSE)
5149         (TARGET_SSE2, TARGET_SSE3, TARGET_MMX, TARGET_3DNOW, TARGET_3DNOW_A)
5150         (TARGET_RED_ZONE, TARGET_USE_MS_BITFIELD_LAYOUT, TARGET_SWITCHES)
5151         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS)
5152         (ix86_fpmath_string, ix86_tls_dialect_string, ix86_cmodel_string)
5153         (ix86_asm_string, ix86_regparm, ix86_regparm_string)
5154         (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
5155         (ix86_debug_arg_string, ix86_debug_addr_string)
5156         (ix86_align_loops_string, ix86_align_jumps_string)
5157         (ix86_align_funcs_string): Delete.
5158         * config/i386/cygming.h (MASK_NOP_FUN_DLLIMPORT)
5159         (TARGET_NOP_FUN_DLLIMPORT, SUBTARGET_SWITCHES): Delete.
5160         * config/i386/djgpp.h (MASK_BNU210, SUBTARGET_SWITCHES): Delete.
5161         (SUBTARGET_OVERRIDE_OPTIONS): Check TARGET_BNU210.
5162         * config/i386/lynx.h (SUBTARGET_SWITCHES): Delete.
5163         * config/i386/sco5.h (MASK_COFF, TARGET_ELF)
5164         (SUBTARGET_SWITCHES): Delete.
5165         * config/i386/i386.c (ix86_debug_arg_string): Delete.
5166         (ix86_debug_addr_string): Delete.
5167         (ix86_cmodel_string, ix86_asm_string, ix86_tls_dialect_string)
5168         (ix86_fpmath_string, ix86_regparm_string, ix86_regparm)
5169         (ix86_align_loops_string, ix86_align_jumps_string)
5170         (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
5171         (ix86_align_funcs_string): Make static.
5172         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
5173         (ix86_handle_option): New function.
5174         (TARGET_USE_MS_BITFIELD_LAYOUT): Delete.
5175         (ix86_ms_bitfield_layout_p): Check TARGET_MS_BITFIELD_LAYOUT.
5176         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove handling
5177         of darwin_fix_and_continue_switch.
5178         (darwin_one_byte_bool): Delete.
5179         * config/rs6000/lynx.h (EXTRA_SUBTARGET_SWITCHES): Delete.
5180         * config/rs6000/rs6000.c (rs6000_override_options): Update assignment
5181         to darwin_one_byte_bool.
5182         * config/darwin.opt, config/lynx.opt, config/i386/cygming.opt,
5183         * config/i386/djgpp.opt, config/i386/i386.opt,
5184         * config/i386/sco5.opt: New files.
5185
5186 2005-04-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
5187
5188         * config/sparc/sparc.c (reg_or_0_operand, const1_operand,
5189         fp_zero_operand, fp_register_operand, intreg_operand,
5190         fcc_reg_operand, fcc0_reg_operand, icc_or_fcc_reg_operand,
5191         call_operand, call_operand_address, tgd_symbolic_operand,
5192         tld_symbolic_operand, tie_symbolic_operand, tle_symbolic_operand,
5193         symbolic_operand, symbolic_memory_operand, label_ref_operand,
5194         sp64_medium_pic_operand, data_segment_operand,
5195         text_segment_operand, splittable_symbolic_memory_operand,
5196         reg_or_nonsymb_mem_operand, splittable_immediate_memory_operand,
5197         eq_or_neq, normal_comp_operator, noov_compare_op,
5198         noov_compare64_op, v9_regcmp_op, extend_op, cc_arithop,
5199         cc_arithopn, arith_operand, arith_4096_operand, arith_add_operand,
5200         const64_operand, const64_high_operand, arith11_operand,
5201         arith10_operand, arith_double_operand, arith_double_4096_operand,
5202         arith_double_add_operand, arith11_double_operand,
5203         arith10_double_operand, small_int, small_int_or_double,
5204         uns_small_int, uns_arith_operand, clobbered_register,
5205         input_operand, compare_operand): Delete.
5206         (sparc_emit_set_const32): Use predicates in assertion.  Remove special
5207         code for TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT != 64.
5208         (sparc_emit_set_const64): Call gcc_unreachable if H_B_P_W_I == 32.
5209         (GEN_HIGHINT64, GEN_INT64): Delete.
5210         (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
5211         gen_safe_XOR64): Adjust for above deletion.
5212         (sparc_emit_set_const64): Support only H_B_P_W_I == 64 and CONST_INTs.
5213         Use 'unsigned HOST_WIDE_INT' instead of 'long' for bitmask.
5214         (legitimate_constant_p): Use const_zero_operand instead.
5215         (sparc_extra_constraint_check): Likewise.
5216         * config/sparc/sparc.h (CONST_DOUBLE_OK_FOR_LETTER_P): Remove 'O'.
5217         (PREFERRED_RELOAD_CLASS): Use const_zero_operand.
5218         (PREDICATE_CODES): Delete.
5219         * config/sparc/sparc.md: Include predicates.md.
5220         (All patterns): Adjust for new predicate names.
5221         (cmpdi, cmpdi_sp64): Use arith_operand predicate.
5222         (movhi_const64_special, movsi_const64_special): Add 'K' constraint.
5223         (movdi): Use general_operand predicate.
5224         (movdi_sp64_dbl): Delete.
5225         (movdi_const64_special): Add 'N' constraint.
5226         (movdicc): Use arith10_operand predicate.
5227         (movdi_cc_sp64, movdi_cc_sp64_trunc): Use arith11_operand predicate.
5228         (movdi_cc_reg_sp64): Use arith10_operand predicate.
5229         (movdi_cc_reg_sp64_trunc): Delete.
5230         (cmp_zero_extract, cmp_zero_extract_sp64): Use small_int_operand.
5231         (adddi3_sp64, cmp_ccx_plus, cmp_ccx_plus_set): Use arith_operand.
5232         (subdi3_sp32): Delete.
5233         (subdi3_insn_sp32): Change to define_insn_and_split.
5234         (subdi3_sp64, cmp_minus_ccx, cmp_minus_ccx_set): Use arith_operand.
5235         (muldi3, muldi3_sp64, muldi3_v8plus): Likewise.
5236         (smulsi3_highpart_v8plus, const_smulsi3_highpart_v8plus,
5237         umulsi3_highpart_v8plus, const_umulsi3_highpart_v8plus): Use
5238         small_int_operand predicate.
5239         (divdi3, udivdi3): Use arith_operand predicate.
5240         (udivsi3, udivsi3_sp32, udivsi3_sp64): Use nonimmediate_operand.
5241         (and<V64I>3_sp64, ior<V64I>3_sp64, xor<V64I:mode>3_sp64,
5242         xor_not_<V64I:mode>_sp64) : Use arith_operand predicate.
5243         (xordi3_sp64_dbl): Delete.
5244         (cmp_ccx_arith_op, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
5245         cmp_ccx_xor_not_set, cmp_ccx_arith_op_not, cmp_ccx_arith_op_not_set,
5246         cmp_ccx_neg, cmp_ccx_set_neg, one_cmpl<V64I>2_sp64, cmp_ccx_not,
5247         cmp_ccx_set_not): Use arith_operand predicate.
5248         (ashrsi3_extend2, lshrsi3_extend2 et al.): Use small_int_operand.
5249         * config/sparc/predicates.md: New file.
5250
5251 2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
5252
5253         PR tree-optimization/14846
5254         * fold-const.c (fold_single_bit_test_into_sign_test): New,
5255         split out from ...
5256         (fold_single_bit_test): ... here.
5257         (fold_binary): Call fold_single_bit_test_into_sign_test
5258         instead of fold_single_bit_test.
5259
5260 2005-04-20  James E Wilson  <wilson@specifixinc.com>
5261
5262         PR c++/20805
5263         * dwarf2out.c (gen_variable_die): Don't emit a specification if this
5264         is another declaration.
5265
5266 2005-04-21  Hans-Peter Nilsson  <hp@axis.com>
5267
5268         * config/cris/predicates.md: New file.
5269         * config/cris/cris-protos.h (cris_store_multiple_op_p)
5270         (cris_movem_load_rest_p): Declare.
5271         * config/cris/cris.c (cris_store_multiple_op): Return bool, not int.
5272         (cris_movem_load_rest_p): Ditto.  Globalize.
5273         (cris_bdap_operand, cris_bdap_biap_operand,
5274         cris_orthogonal_operator, cris_commutative_orth_op,
5275         cris_operand_extend_operator,
5276         cris_additive_operand_extend_operator, cris_extend_operator,
5277         cris_plus_or_bound_operator, cris_mem_op,
5278         cris_general_operand_or_symbol,
5279         cris_general_operand_or_gotless_symbol,
5280         cris_general_operand_or_plt_symbol, cris_mem_call_operand,
5281         cris_load_multiple_op): Remove predicate functions.
5282         (cris_symbol, cris_gotless_symbol) <case UNSPEC>: Return 0, don't
5283         abort, for UNSPECs other than CRIS_UNSPEC_PLT.
5284         * config/cris/cris.h (PREDICATE_CODES): Don't define.
5285         * config/cris/cris.md: Include predicates.md.
5286         ("call", "call_value"): Generate CONSTs of Pmode, not VOIDmode.
5287
5288 2005-04-20  Ian Lance Taylor  <ian@airs.com>
5289
5290         * c-common.def: Remove STMT_EXPR (moved to cp/cp-tree.def).
5291         * c-common.h (STMT_EXPR_STMT): Don't define.
5292         (STMT_EXPR_NO_SCOPE): Don't define.
5293         * c-dump.c (c_dump_tree): Don't handle STMT_EXPR.
5294         * c-pretty-print.c (pp_c_primary_expression): Likewise.
5295         (pp_c_expression): Likewise.
5296
5297 2005-04-20  Richard Henderson  <rth@redhat.com>
5298
5299         PR target/21100
5300         * config/i386/mmx.md (push<MMXMODE>1): Fix predicate thinko.
5301
5302 2005-04-20  Jeff Law  <law@redhat.com>
5303
5304         * reload1.c (reload): Ignore equivalences between pseudos and
5305         read only memory.
5306
5307 2005-04-20  Joseph S. Myers  <joseph@codesourcery.com>
5308
5309         PR c/12913
5310         * c-tree.h (struct c_label_list): Update comment.
5311         (struct c_label_context): Rename to struct c_label_context_se.
5312         (label_context_stack): Rename to label_context_stack_se.
5313         (C_DECL_UNJUMPABLE_VM, C_DECL_UNDEFINABLE_VM, struct
5314         c_label_context_vm, label_context_stack_vm, c_begin_vm_scope,
5315         c_end_vm_scope): New.
5316         (C_DECL_DECLARED_BUILTIN, C_DECL_USED): Use FUNCTION_DECL_CHECK.
5317         * c-decl.c (pop_scope): Call c_end_vm_scope.
5318         (pushdecl): Call c_begin_vm_scope for variably modified
5319         declarations.
5320         (define_label): Check for jumping into scope of identifier with
5321         variably modified type.  Push label on stack for those defined at
5322         current context of identifiers with variably modified type.
5323         (start_function): Create stack level for context of identifiers
5324         with variably modified type.
5325         (finish_function): Pop stack level for context of identifiers with
5326         variably modified type.
5327         * c-typeck.c (label_context_stack): Rename to
5328         label_context_stack_se.
5329         (label_context_stack_vm, c_begin_vm_scope, c_end_vm_scope): New.
5330         (c_finish_goto_label): Check for jumping into scope of identifier
5331         with variably modified type.  Push label on stack for those jumped
5332         to from current context of identifiers with variably modified
5333         type.
5334         (struct c_switch): Add blocked_vm.
5335         (c_start_case): Initialize blocked_vm.
5336         (do_case): Check blocked_vm.
5337         (c_finish_case): Add comment.
5338         (c_begin_stmt_expr, c_finish_stmt_expr): Update for renamed
5339         variable label_context_stack.
5340
5341 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
5342
5343         * tree-ssa-phiopt.c (tree_ssa_phi_opt): Update calls to
5344         conditional_replacement, value_replacement, abs_replacement,
5345         minmax_replacement.
5346         (replace_phi_edge_with_variable): Remove argument BB.
5347         (conditional_replacement, value_replacement,
5348         minmax_replacement, abs_replacement): Remove argument PHI_BB.
5349         Update a call to replace_phi_edge_with_variable.
5350
5351         * tree-ssa-phiopt.c: Fix comments.
5352
5353 2005-04-20  Michael Matz  <matz@suse.de>
5354
5355         PR20973
5356         * reload.c (push_reload, find_dummy_reload): Check for uninitialized
5357         pseudos.
5358
5359 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
5360
5361         * tree-ssa-phiopt.c: Fix comment typos.
5362
5363         PR tree-optimization/21116
5364         * tree-ssa-phiopt.c: Fix a typo.
5365
5366 2005-04-19  Richard Henderson  <rth@redhat.com>
5367
5368         * builtins.c (expand_builtin_sync_operation): Revert last change.
5369         * optabs.c (expand_bool_compare_and_swap): Compare vs old value,
5370         not vs new value.
5371         (expand_compare_and_swap_loop): Likewise.
5372         (expand_sync_operation): Remove fallback from NAND to AND; invert
5373         memory operand when expanding from cmpxchg.
5374         (expand_sync_fetch_operation): Likewise.
5375         * doc/extend.texi (Atomic Builtins): Fix docs for nand and
5376         compare-and-swap.
5377
5378         * config/alpha/alpha.c (alpha_split_atomic_op): Invert memory operand
5379         when implementing NAND.  Fix double-add for AFTER.
5380         * config/alpha/sync.md (sync_nand<I48MODE>): Invert memory operand.
5381         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
5382         (sync_compare_and_swap<I48MODE>): Fix compare vs zero.  Return old
5383         memory value.
5384         (sync_lock_test_and_set<I48MODE>): Remove extra label and last
5385         memory barrier.
5386
5387         * config/i386/sync.md (sync_compare_and_swap<IMODE>): Fix pattern
5388         to return old memory value.
5389         (sync_compare_and_swap_cc<IMODE>): Likewise.
5390
5391         * config/ia64/ia64.c (ia64_dependencies_evaluation_hook): Early
5392         return pre-reload.  Don't consider output or anti dependencies.
5393         * config/ia64/sync.md (IMODE): New.
5394         (modesuffix): Add QI and HI.
5395         (memory_barrier): Simplify expansion.
5396         (sync_compare_and_swap<IMODE>): Use IMODE, not I48MODE.
5397         (cmpxchg_acq_<IMODE>): Likewise.
5398         (sync_lock_test_and_set<IMODE>): Likewise.
5399         (sync_lock_release<IMODE>): Likewise.
5400
5401 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
5402
5403         * fold-const.c (fold_binary): Fold ~(X ^ Y) to ~X ^ Y or X ^ ~Y if
5404         ~X or ~Y simplify.
5405
5406 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
5407
5408         * fold-const (fold_binary):  Fold ~X ^ ~ Y to X ^ Y.
5409
5410 2005-04-20  Michael Pogue  <michael.pogue@sun.com>
5411             Joseph S. Myers  <joseph@codesourcery.com>
5412
5413         * c.opt (Wint-to-pointer-cast, Wpointer-to-int-cast): New options.
5414         * c-typeck.c (build_c_cast): Check these options.
5415         * doc/invoke.texi: Document these options.
5416
5417 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
5418
5419         * tree-ssa-phiopt.c: Update a comment about the pass.
5420
5421 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
5422
5423         * tree-ssa-phiopt.c, config/arm/arm.c, config/fr30/fr30.md,
5424         config/mcore/mcore.c: Fix comment typos.
5425
5426 2005-04-19  Daniel Jacobowitz  <dan@codesourcery.com>
5427
5428         * Makefile.in (libgcc.mk): Pass GCC_FOR_TARGET.
5429         * mklibgcc.in: Use $GCC_FOR_TARGET instead of ./xgcc.
5430
5431 2005-04-19  Paul Brook  <paul@codesourcery.com>
5432
5433         * config/arm/arm.c (arm_init_libfuncs): Clear mod optabs.
5434
5435 2005-04-19  Andrew Haley  <aph@redhat.com>
5436
5437         PR java/21022
5438         * dbxout.c (dbxout_type_fields): Check DECL_IGNORED_P before
5439         looking at a field's bitpos.
5440
5441 2005-04-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5442
5443         * system.h (fopen, fdopen, freopen): Define these to the unlocked
5444         libiberty functions.
5445
5446 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
5447
5448         PR tree-optimization/21096
5449         * tree-ssa-copy.c (fini_copy_prop): Free cached_last_copy_of.
5450
5451 2005-04-19  Alan Modra  <amodra@bigpond.net.au>
5452
5453         PR target/21098
5454         * config/rs6000/rs6000.c (rs6000_elf_end_indicate_exec_stack): New.
5455         * config/rs6000/linux64.h (TARGET_ASM_FILE_END): Use the above.
5456
5457 2005-04-19  Alexandre Oliva  <aoliva@redhat.com>
5458
5459         * tree-cfg.c (dump_function_to_file): Use cfun info only if it
5460         refers to the function being dumped.
5461
5462 2005-04-18  Daniel Jacobowitz  <dan@codesourcery.com>
5463
5464         * varasm.c (assemble_start_function): Remove reset of in_section.
5465
5466 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
5467
5468         PR tree-optimization/21085
5469         * fold-const (fold_binary): Don't change X % -C to X % C if C has
5470         overflowed.
5471
5472 2005-04-19  Ben Elliston  <bje@au.ibm.com>
5473
5474         * doc/invoke.texi (Optimize Options): Refer to the correct
5475         optimisation flag -ftree-dominator-opts, not -ftree-dom.
5476
5477 2005-04-18  Christopher Jaillet <christophe.jaillet@wanadoo.fr>
5478
5479         * config/rs6000/rs6000.c (machopic_output_stub):  Increase
5480         alloca argument to be big enough.
5481
5482 2005-04-18  Alexandre Oliva  <aoliva@redhat.com>
5483
5484         PR middle-end/21049
5485         * tree-cfg.c (dump_function_to_file): Do not crash if cfun or
5486         cfun->cfg are NULL.
5487
5488 2005-04-18  Tom Tromey  <tromey@redhat.com>
5489
5490         * cgraphunit.c (cgraph_finalize_compilation_unit): Fix a comment
5491         typo.
5492
5493 2005-04-18  Richard Henderson  <rth@redhat.com>
5494
5495         * config/alpha/alpha.c (alpha_split_atomic_op): New.
5496         (alphaev5_insn_pipe): Add LD_L, ST_C, MB types.
5497         (alphaev4_insn_pipe): Likewise.  Correct IST and LDSYM pipes.
5498         * config/alpha/alpha-protos.h: Update.
5499         * config/alpha/alpha.md (UNSPECV_MB, UNSPECV_LL, UNSPECV_SC): New.
5500         (UNSPECV_ATOMIC, UNSPECV_CMPXCHG, UNSPECV_XCHG): New.
5501         (attr type): Add ld_l, st_c, mb.
5502         (andsi_internal, andnotsi3, iorsi_internal, one_cmplsi_internal,
5503         iornotsi3, xorsi_internal, xornotsi3): New.
5504         * config/alpha/ev4.md (ev4_ld): Add ld_l.
5505         (ev4_ist_c, ev4_mb): New.
5506         * config/alpha/ev5.md (ev5_st): Add st_c, mb.
5507         (ev5_ld_l): New.
5508         * config/alpha/ev6.md (ev6_ild): Add ld_l.
5509         (ev6_ist): Add st_c.
5510         (ev6_mb): New.
5511         * config/alpha/sync.md: New file.
5512
5513 2005-04-18  Richard Henderson  <rth@redhat.com>
5514
5515         * builtins.c (expand_builtin_sync_operation): Fold nand to and
5516         for constants.
5517
5518         * optabs.c (expand_sync_operation): Fix typo expanding nand to and.
5519
5520 2005-04-18  Devang Patel  <dpatel@apple.com>
5521
5522         * config/rs6000/atlivec.md (mulv4si3): New pattern.
5523
5524 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
5525
5526         PR tree-optimization/20922
5527         * fold-const.c (fold_binary): Fold X - c > X and X + c < X to false.
5528         Fold X + c >= X and fold X - c <= X to true.
5529
5530 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
5531
5532         * config/ia64/unwind-ia64.c (emergency_reg_state_free): Make an
5533         unsigned int.
5534         (emergency_labeled_state_free): Likewise.
5535
5536 2005-04-18  Nick Clifton  <nickc@redhat.com>
5537
5538         * config/h8300/h8300.md (jump): Remove prescan parameter from
5539         calls to final_scan_insn.
5540
5541         * config/arc/arc.c (arc_output_function_epilogue): Remove prescan
5542         parameter from calls to final_scan_insn.
5543
5544         * config.gcc (m68hc12): Use the m68hc11.opt file for target
5545         specific options.
5546         (v850e, v850e1): Use the v850.opt file for target specific
5547         options.
5548
5549 2005-04-18  Kazu Hirata  <kazu@cs.umass.edu>
5550
5551         PR tree-optimization/21001
5552         * tree-optimize.c (init_tree_optimization_passes): Move the
5553         first pass_forwprop immediately before pass_vrp.
5554
5555 2005-04-17  Ian Lance Taylor  <ian@airs.com>
5556
5557         * c-common.def (SIZEOF_EXPR, ARROW_EXPR, ALIGNOF_EXPR): Remove.
5558         * c-common.c (c_sizeof_or_alignof_type): Change second parameter
5559         from enum tree_code op to bool is_sizeof.
5560         * c-common.h (c_sizeof_or_alignof_type): Update declaration.
5561         (c_sizeof, c_alignof): Update calls to c_sizeof_or_alignof_type.
5562         * c-pretty-print.c (pp_c_postfix_expression): Remove ARROW_EXPR
5563         case.
5564         (pp_c_unary_expression): Remove SIZEOF_EXPR and ALIGNOF_EXPR
5565         cases.
5566         (pp_c_expression): Remove ARROW_EXPR, SIZEOF_EXPR, and
5567         ALIGNOF_EXPR cases.
5568
5569 2005-04-17  Ian Lance Taylor  <ian@airs.com>
5570
5571         * system.h: Poison DONT_ACCESS_GBLS_AFTER_EPILOGUE.
5572
5573 2005-04-17  Richard Henderson  <rth@redhat.com>
5574
5575         * config/alpha/alpha.c (va_list_skip_additions): Only define if
5576         TARGET_ABI_OSF.
5577         (TARGET_STDARG_OPTIMIZE_HOOK): Likewise.
5578         (alpha_stdarg_optimize_hook): Likewise.  Allow for one more round
5579         of indirection through ssa names while looking for the gpr counter
5580         field.
5581         (alpha_setup_incoming_varargs) <TARGET_ABI_OSF>: Make use of the
5582         saved va_list_gpr_size and va_list_fpr_size.
5583
5584 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
5585
5586         * tree-vrp.c (compare_values): Check that VAL1 and VAL2 are
5587         both pointers or both integers.
5588
5589         * tree-vrp.c (maybe_add_assert_expr): Don't assert
5590         ASSERT_EXPRs for single-use variable.
5591
5592         * tree-into-ssa.c: Fix a comment typo.
5593
5594 2005-04-17  Richard Sandiford  <rsandifo@redhat.com>
5595
5596         * config/mips/iris6.h (DRIVER_SELF_SPECS): Check -march as well as
5597         -mipsN before forcing a default of -mips2.
5598
5599 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
5600
5601         * predict.h (IS_TAKEN): Remove.
5602         * rtl.h (NOTE_PREDICTION): Likewise.
5603
5604         * modulo-sched.c (CFG_HOOKS): Remove.
5605
5606         * c-parser.c (N_C_TTYPES): Remove.
5607
5608         * tree-flow-inline.h (get_stmt_operands): Remove.
5609         * lambda-code.c, tree-ssa-loop-unswitch.c,
5610         tree-ssa-operands.c, tree-ssa-pre.c, tree-ssa-propagate.c,
5611         tree-ssa-sink.c, tree-ssa.c, tree-tailcall.c,
5612         tree-vect-transform.c, tree-vectorizer.c, tree-vrp.c): Remove
5613         calls to get_stmt_operands.
5614         * doc/tree-ssa.texi: Don't mention get_stmt_operands.
5615
5616 2005-04-17  Richard Henderson  <rth@redhat.com>
5617
5618         PR target/20375
5619         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Advance a copy
5620         of CUMULATIVE_ARGS past the last named argument.
5621         (alpha_va_start): Expect pretend_args_size only if strictly less than
5622         6 named arguments.
5623
5624 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
5625
5626         PR middle-end/21024
5627         * builtins.c (expand_builtin_strcat): Convert the result of
5628         strlen to the right type.
5629         * fold-const.c (fold_binary) <PLUS_EXPR>: Use fold_convert to
5630         avoid creating type mismatches.
5631         <GE_EXPR>: Pass op0 and op1 to fold_build2 to avoid creating
5632         type mismatches.
5633
5634         * c-lex.c (WCHAR_TYPE_SIZE, WCHAR_BYTES): Remove.
5635
5636 2005-04-16  Richard Henderson  <rth@redhat.com>
5637
5638         PR target/21051
5639         * builtins.c (expand_builtin) <BUILT_IN_BOOL_COMPARE_AND_SWAP_*>:
5640         Use the mode of boolean_type_node when the user doesn't provide one.
5641         * config/ia64/sync.md (sync_lock_release<I48MODE>): Use operand 1.
5642
5643 2005-04-16  Alexandre Oliva  <aoliva@redhat.com>
5644
5645         PR target/20126
5646         * loop.c (loop_givs_rescan): Handle non-replaceable (plus (reg)
5647         (const)).
5648
5649         * tree-scalar-evolution.c (interpret_rhs_modify_expr): Fix typo in
5650         comment.
5651
5652 2005-04-16  Roger Sayle  <roger@eyesopen.com>
5653             Steven Bosscher  <stevenb@suse.de>
5654
5655         * fold-const.c (fold_binary_to_constant): Delete obsolete comment.
5656         (fold_unary_to_constant): Likewise.
5657
5658 2005-04-16  Kazu Hirata  <kazu@cs.umass.edu>
5659
5660         * basic-block.h: Adjust the value of PROP_SCAN_DEAD_STORES,
5661         PROP_ASM_SCAN.
5662
5663 2005-04-16  Gerald Pfeifer  <gerald@pfeifer.com>
5664
5665         * doc/install.texi (Specific): Avoid using asterisks in @anchor
5666         names related to target triplets.
5667         Remove i?86-*-esix from platform directory.
5668         Remove powerpc-*-eabiaix from platform directory.
5669
5670 2005-04-16  Joseph S. Myers  <joseph@codesourcery.com>
5671
5672         PR middle-end/20491
5673         * config/ia64/ia64.c (rtx_needs_barrier): Recurse instead of
5674         falling through from SUBREG case to REG.
5675
5676 2005-04-15  Roger Sayle  <roger@eyesopen.com>
5677
5678         * fold-const.c (fold_relational_hi_lo): Delete function and prototype.
5679         (fold_binary): Update comment mentioning fold_relational_hi_lo.
5680         (fold_binary_to_constant): Simplify using fold_binary.
5681         (fold_unary_to_constant): Likewise, simplify using fold_unary.
5682
5683 2005-04-15  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
5684
5685         * gthr-posix.c (pthread_cancel): Define.
5686         (pthread_mutexattr_init): Likewise.
5687         (pthread_mutexattr_settype): Likewise.
5688         (pthread_mutexattr_destroy): Likewise.
5689
5690 2005-04-15  David S. Miller  <davem@davemloft.net>
5691
5692         PR target/20673
5693         * config/sparc/sparc.h (sparc_hard_reg_printed): Mark as GTY(()).
5694
5695 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
5696
5697         PR tree-optimization/21031
5698         * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): New.
5699         (forward_propagate_into_cond_1): Call it.  Forward propagate
5700         integer-integer casts into COND_EXPRs.
5701
5702 2005-04-15  Dave Korn  <dave.korn@artimi.com>
5703
5704         * gcc.c (default_compilers): Clarify obscure error message when
5705         reading from standard input.
5706
5707 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
5708
5709         * basic-block.h (PROP_EQUAL_NOTES): Remove.
5710         * flow.c (propagate_one_insn): Don't use PROP_EQUAL_NOTES.
5711
5712         * tree-ssa-alias.c (init_alias_info): Remove a call to
5713         get_stmt_operands.
5714
5715 2005-04-15  Andrew MacLeod  <amacleod@redhat.com>
5716
5717         * tree-vect-analyze.c (vect_stmt_relevant_p): Process immediate uses
5718         of non-virtual PHI nodes like we use to.
5719
5720 2005-05-15  Paolo Bonzini  <bonzini@gnu.org>
5721
5722         * genattrtab.c (ATTR_EQ_ATTR_P): Remove.
5723         (attr_copy_rtx): Do not use it.
5724
5725 2005-04-15  Andrew Macleod  <amacleod@redhat.com>
5726
5727         * doc/tree-ssa.texi: Grammer/abbreviation updates.
5728
5729 2005-04-15  Diego Novillo  <dnovillo@redhat.com>
5730
5731         * tree-vect-transform.c (vectorizable_store): Mark necessary
5732         objects in the vectorized store needing renaming.  Update the
5733         SSA graph for V_MAY_DEF operands in the original store.
5734
5735 2005-04-14  Daniel Berlin <dberlin@dberlin.org>
5736
5737         * tree-ssa-pre.c (compute_avail): It's okay to have
5738         TREE_INVARIANT's here, and value number the resulting expressions.
5739         (create_expression_by_pieces): Make sure operands that were
5740         min_invariant when we started, stay that way.
5741
5742 2005-04-15  David Edelsohn  <edelsohn@gnu.org>
5743
5744         * doc/install.texi (*-ibm-aix*): Add comment about system limits.
5745
5746 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
5747
5748         PR tree-optimization/20936.
5749         * tree-ssa-ccp.c (visit_assignment): Fix a typo.
5750
5751 2005-04-15  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5752
5753         * doc/invoke.texi: Fix typos.
5754         * doc/md.texi: Likewise.
5755         * doc/rtl.texi: Likewise.
5756         * doc/sourcebuild.texi: Likewise.
5757         * doc/tm.texi: Likewise.
5758
5759 2005-04-15  Uros Bizjak  <uros@kss-loka.si>
5760
5761         PR tree-optimization/21004
5762         * convert.c (convert_to_integer): Convert ceilf, ceill, floorf
5763         and floorl in c99 mode only.
5764         * builtins.c (expand_builtin_int_roundingfn): Assert that
5765         fallback_fndecl is not NULL_TREE.
5766
5767 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
5768
5769         * cfgrtl.c (purge_all_dead_edge): Remove an unused argument.
5770         * basic-block.h: Update the prototype for
5771         purge_all_dead_edges.
5772         * cfgexpand.c (tree_expand_cfg): Update a call to
5773         purge_all_dead_edges.
5774         * combine.c (combine_instructions): Likewise.
5775         * passes.c (rest_of_handle_old_regalloc, rest_of_handle_cse,
5776         rest_of_handle_cse2, rest_of_handle_gcse,
5777         rest_of_handle_postreload): likewise.
5778
5779 2005-04-15  Alexandre Oliva  <aoliva@redhat.com>
5780
5781         PR middle-end/20739
5782         * gimplify.c (gimplify_addr_expr): Compensate for removal of
5783         e.g. cv-qualification conversions.
5784
5785 2005-04-14  Mike Stump  <mrs@apple.com>
5786
5787         * config/darwin-c.c (framework_construct_pathname): We must
5788         find all headers of a framework in the first instance of it
5789         found in the seach path.
5790
5791 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
5792
5793         PR tree-optimization/21021
5794         * tree-vrp.c (compare_values): Work around a bug in the front
5795         end that produces a comparison of mismatched types.
5796
5797 2004-04-14  Richard Henderson  <rth@redhat.com>
5798
5799         * config/ia64/ia64.h (enum fetchop_code): Remove.
5800         (enum ia64_builtins): Move ...
5801         * config/ia64/ia64.c (enum ia64_builtins): ... here.  Remove all
5802         members except BSP and FLUSHRS.
5803         (ia64_init_builtins): Remove __sync builtins.
5804         (ia64_expand_builtin): Likewise.
5805         (ia64_expand_fetch_and_op, ia64_expand_op_and_fetch): Remove.
5806         (ia64_expand_compare_and_swap, ia64_expand_lock_test_and_set): Remove.
5807         (ia64_expand_lock_release): Remove.
5808         * config/ia64/ia64.md (mf): Move to sync.md.
5809         (mf_internal, fetchadd_acq_si, fetchadd_acq_di, cmpxchg_acq_si,
5810         cmpxchg_acq_di, xchgsi, xchgdi): Likewise.
5811         * config/ia64/sync.md: New file.
5812         (memory_barrier): Rename from mf.
5813         (fetchadd_acq_<I48MODE>): Macroize from _si/_di patterns.
5814         (cmpxchg_acq_<I48MODE>): Likewise.
5815         (sync_lock_test_and_set<I48MODE>): Likewise.
5816
5817         * config/ia64/ia64intrin.h: Define nothing for C; limit #defines
5818         to c++.  Remove __sync* declarations.  s/_si/_4/.  s/_di/_8/.
5819
5820 2004-04-14  Richard Henderson  <rth@redhat.com>
5821
5822         * config/i386/i386.c (x86_cmpxchg, x86_xadd): New.
5823         (ix86_compare_emitted): New.
5824         (ix86_expand_compare): Use ix86_compare_emitted if set.
5825         (ix86_expand_setcc): Only emit REG_EQUAL if both ix86_compare_op0
5826         and ix86_compare_op0 are set.
5827         * config/i386/i386.h (x86_cmpxchg, x86_xadd): Declare.
5828         (TARGET_CMPXCHG, TARGET_XADD): New.
5829         (ix86_compare_emitted): Declare.
5830         * config/i386/i386.md: Include sync.md
5831         (UNSPECV_CMPXCHG_1, UNSPECV_CMPXCHG_2): New.
5832         (UNSPECV_XCHG, UNSPECV_LOCK): New.
5833         * config/i386/sync.md: New file.
5834
5835 2004-04-14  Richard Henderson  <rth@redhat.com>
5836
5837         PR middle-end/14311
5838         * builtin-types.def (BT_BOOL, BT_VOLATILE_PTR, BT_I1, BT_I2,
5839         BT_I4, BT_I8, BT_FN_VOID_VPTR, BT_FN_I1_VPTR_I1, BT_FN_I2_VPTR_I2,
5840         BT_FN_I4_VPTR_I4, BT_FN_I8_VPTR_I8, BT_FN_BOOL_VPTR_I1_I1,
5841         BT_FN_BOOL_VPTR_I2_I2, BT_FN_BOOL_VPTR_I4_I4, BT_FN_BOOL_VPTR_I8_I8,
5842         BT_FN_I1_VPTR_I1_I1, BT_FN_I2_VPTR_I2_I2, BT_FN_I4_VPTR_I4_I4,
5843         BT_FN_I8_VPTR_I8_I8): New.
5844         * builtins.def (DEF_SYNC_BUILTIN): New.
5845         (BUILT_IN_FETCH_AND_ADD_N, BUILT_IN_FETCH_AND_ADD_1,
5846         BUILT_IN_FETCH_AND_ADD_2, BUILT_IN_FETCH_AND_ADD_4,
5847         BUILT_IN_FETCH_AND_ADD_8, BUILT_IN_FETCH_AND_SUB_N,
5848         BUILT_IN_FETCH_AND_SUB_1, BUILT_IN_FETCH_AND_SUB_2,
5849         BUILT_IN_FETCH_AND_SUB_4, BUILT_IN_FETCH_AND_SUB_8,
5850         BUILT_IN_FETCH_AND_OR_N, BUILT_IN_FETCH_AND_OR_1,
5851         BUILT_IN_FETCH_AND_OR_2, BUILT_IN_FETCH_AND_OR_4,
5852         BUILT_IN_FETCH_AND_OR_8, BUILT_IN_FETCH_AND_AND_N,
5853         BUILT_IN_FETCH_AND_AND_1, BUILT_IN_FETCH_AND_AND_2,
5854         BUILT_IN_FETCH_AND_AND_4, BUILT_IN_FETCH_AND_AND_8,
5855         BUILT_IN_FETCH_AND_XOR_N, BUILT_IN_FETCH_AND_XOR_1,
5856         BUILT_IN_FETCH_AND_XOR_2, BUILT_IN_FETCH_AND_XOR_4,
5857         BUILT_IN_FETCH_AND_XOR_8, BUILT_IN_FETCH_AND_NAND_N,
5858         BUILT_IN_FETCH_AND_NAND_1, BUILT_IN_FETCH_AND_NAND_2,
5859         BUILT_IN_FETCH_AND_NAND_4, BUILT_IN_FETCH_AND_NAND_8,
5860         BUILT_IN_ADD_AND_FETCH_N, BUILT_IN_ADD_AND_FETCH_1,
5861         BUILT_IN_ADD_AND_FETCH_2, BUILT_IN_ADD_AND_FETCH_4,
5862         BUILT_IN_ADD_AND_FETCH_8, BUILT_IN_SUB_AND_FETCH_N,
5863         BUILT_IN_SUB_AND_FETCH_1, BUILT_IN_SUB_AND_FETCH_2,
5864         BUILT_IN_SUB_AND_FETCH_4, BUILT_IN_SUB_AND_FETCH_8,
5865         BUILT_IN_OR_AND_FETCH_N, BUILT_IN_OR_AND_FETCH_1,
5866         BUILT_IN_OR_AND_FETCH_2, BUILT_IN_OR_AND_FETCH_4,
5867         BUILT_IN_OR_AND_FETCH_8, BUILT_IN_AND_AND_FETCH_N,
5868         BUILT_IN_AND_AND_FETCH_1, BUILT_IN_AND_AND_FETCH_2,
5869         BUILT_IN_AND_AND_FETCH_4, BUILT_IN_AND_AND_FETCH_8,
5870         BUILT_IN_XOR_AND_FETCH_N, BUILT_IN_XOR_AND_FETCH_1,
5871         BUILT_IN_XOR_AND_FETCH_2, BUILT_IN_XOR_AND_FETCH_4,
5872         BUILT_IN_XOR_AND_FETCH_8, BUILT_IN_NAND_AND_FETCH_N,
5873         BUILT_IN_NAND_AND_FETCH_1, BUILT_IN_NAND_AND_FETCH_2,
5874         BUILT_IN_NAND_AND_FETCH_4, BUILT_IN_NAND_AND_FETCH_8,
5875         BUILT_IN_BOOL_COMPARE_AND_SWAP_N, BUILT_IN_BOOL_COMPARE_AND_SWAP_1,
5876         BUILT_IN_BOOL_COMPARE_AND_SWAP_2, BUILT_IN_BOOL_COMPARE_AND_SWAP_4,
5877         BUILT_IN_BOOL_COMPARE_AND_SWAP_8, BUILT_IN_VAL_COMPARE_AND_SWAP_N,
5878         BUILT_IN_VAL_COMPARE_AND_SWAP_1, BUILT_IN_VAL_COMPARE_AND_SWAP_2,
5879         BUILT_IN_VAL_COMPARE_AND_SWAP_4, BUILT_IN_VAL_COMPARE_AND_SWAP_8,
5880         BUILT_IN_LOCK_TEST_AND_SET_N, BUILT_IN_LOCK_TEST_AND_SET_1,
5881         BUILT_IN_LOCK_TEST_AND_SET_2, BUILT_IN_LOCK_TEST_AND_SET_4,
5882         BUILT_IN_LOCK_TEST_AND_SET_8, BUILT_IN_LOCK_RELEASE_N,
5883         BUILT_IN_LOCK_RELEASE_1, BUILT_IN_LOCK_RELEASE_2,
5884         BUILT_IN_LOCK_RELEASE_4, BUILT_IN_LOCK_RELEASE_8,
5885         BUILT_IN_SYNCHRONIZE: New.
5886         * builtins.c (called_as_built_in): Rewrite from CALLED_AS_BUILT_IN
5887         as a function.  Accept __sync_ as a prefix as well.
5888         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
5889         expand_builtin_lock_test_and_set, expand_builtin_synchronize,
5890         expand_builtin_lock_release): New.
5891         (expand_builtin): Call them.
5892         * c-common.c (DEF_BUILTIN): Don't require __builtin_ prefix if
5893         neither BOTH_P nor FALLBACK_P are defined.
5894         (builtin_type_for_size): New.
5895         (sync_resolve_size, sync_resolve_params, sync_resolve_return): New.
5896         (resolve_overloaded_builtin): New.
5897         * c-common.h (resolve_overloaded_builtin): Declare.
5898         (builtin_type_for_size): Declare.
5899         * c-typeck.c (build_function_call): Invoke resolve_overloaded_builtin.
5900         * expr.c (sync_add_optab, sync_sub_optab, sync_ior_optab,
5901         sync_and_optab, sync_xor_optab, sync_nand_optab, sync_old_add_optab,
5902         sync_old_sub_optab, sync_old_ior_optab, sync_old_and_optab,
5903         sync_old_xor_optab, sync_old_nand_optab, sync_new_add_optab,
5904         sync_new_sub_optab, sync_new_ior_optab, sync_new_and_optab,
5905         sync_new_xor_optab, sync_new_nand_optab, sync_compare_and_swap,
5906         sync_compare_and_swap_cc, sync_lock_test_and_set,
5907         sync_lock_release): New.
5908         * optabs.h: Declare them.
5909         * expr.h (expand_val_compare_and_swap, expand_bool_compare_and_swap,
5910         expand_sync_operation, expand_sync_fetch_operation,
5911         expand_sync_lock_test_and_set): Declare.
5912         * genopinit.c (optabs): Add sync optabs.
5913         * optabs.c (init_optabs): Initialize sync optabs.
5914         (expand_val_compare_and_swap_1, expand_val_compare_and_swap,
5915         expand_bool_compare_and_swap, expand_compare_and_swap_loop,
5916         expand_sync_operation, expand_sync_fetch_operation,
5917         expand_sync_lock_test_and_set): New.
5918         * doc/extend.texi (Atomic Builtins): New section
5919         * doc/md.texi (Standard Names): Add sync patterns.
5920
5921 2005-04-14  Alexandre Oliva  <aoliva@redhat.com>
5922
5923         * tree-eh.c (lower_try_finally_copy): Generate new code in
5924         response to goto_queue entries as if the queue was sorted by
5925         index, not pointers.
5926         (lower_try_finally_switch): Likewise.
5927
5928 2005-04-14  Richard Henderson  <rth@redhat.com>
5929
5930         * config/i386/i386.c (ix86_expand_sse_cmp): Split out from ...
5931         (ix86_expand_sse_movcc): ... here.  Take cmp as a pre-computed
5932         register.
5933         (ix86_expand_fp_movcc): Update to match.
5934         (ix86_expand_fp_vcond, ix86_expand_int_vcond): New.
5935         * config/i386/i386-protos.h: Update.
5936         * config/i386/sse.md (vcondv4sf, vcondv2df): New.
5937         (vcond<SSEMODE124>, vcondu<SSEMODE12>): New.
5938
5939 2005-04-14  Joseph S. Myers  <joseph@codesourcery.com>
5940
5941         * doc/cpp.texi, doc/install.texi: Change references to GCC 3.5 to
5942         refer to 4.0.
5943
5944 2005-04-14  Julian Brown  <julian@codesourcery.com>
5945
5946         * Revert elfos.h part of my patch from 2005-04-13 for causing libstdc++
5947         link failures on ppc64 Linux.
5948
5949 2005-04-14  Andreas Krebbel  <krebbel1@de.ibm.com>
5950
5951         * config.gcc: Set cpu_type for s390.
5952
5953 2005-04-14  Daniel Berlin  <dberlin@dberlin.org>
5954
5955         Fix PR tree-optimization/20963
5956         * tree-ssa-pre.c (compute_avail): Remove special case for
5957         TREE_INVARIANT.
5958         (create_expression_by_pieces): Add value numbers for forced out
5959         statements.
5960
5961 2005-04-14  Hans-Peter Nilsson  <hp@axis.com>
5962
5963         * config/cris/cris.md: Replace references to (reg:SI 16) with
5964         (reg:SI CRIS_SRP_REGNUM).
5965
5966 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
5967
5968         PR tree-optimization/20657
5969         * tree-vrp.c (extract_range_from_expr): Notice INTEGER_CST to
5970         create an appropriate range from it.
5971
5972 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
5973
5974         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST_FLOOR> and
5975         <UNSPEC_FIST_CEIL> case.
5976
5977         * config/i386/i386.md (UNSPEC_FIST_FLOOR, UNSPEC_FIST_CEIL): New.
5978         (*fist<mode>2_floor_1, fistdi2_floor, fistdi2_floor_with_temp)
5979         (fist<mode>2_floor, fist<mode>2_floor_with_temp): New isns patterns
5980         to implement lfloor and llfloor built-ins as x87 intrinsic function.
5981         (fistdi2_floor, fist<mode>2_floor splitters): New splitters.
5982         (lfloor<mode>2): New expanders.
5983         (*fist<mode>2_ceil_1, fistdi2_ceil, fistdi2_ceil_with_temp)
5984         (fist<mode>2_ceil, fist<mode>2_ceil_with_temp): New isns patterns
5985         to implement lceil and llceil built-ins as x87 intrinsic function.
5986         (fistdi2_ceil, fist<mode>2_ceil splitters): New splitters.
5987         (lceil<mode>2): New expanders.
5988
5989 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
5990
5991         * convert.c (convert_to_integer): Convert (long int)trunc{,f,l},
5992         and (long long int)ceil{,f,l} into FIX_TRUNC_EXPR.
5993
5994 2005-04-14  Ulrich Weigand  <uweigand@de.ibm.com>
5995
5996         PR target/20927
5997         * config/s390/s390-modes.def: Define TFmode.
5998
5999 2005-04-13  Richard Sandiford  <rsandifo@redhat.com>
6000
6001         * config/mips/mips.h (ASM_OUTPUT_CASE_LABEL): Delete.
6002         (JUMP_TABLES_IN_TEXT_SECTION): Define.
6003         * config/mips/mips.c (mips16_insn_length): Remove reference to
6004         JUMP_TABLES_IN_TEXT_SECTION.
6005
6006 2005-04-13 Fariborz Jahanian <fjahanian@apple.com>
6007
6008         * simplify-rtx.c (simplify_binary_operation_1): Return
6009         scalar or vector of constant 0, depending on the xor's
6010         mode.
6011
6012 2005-04-13  Dale Johannesen  <dalej@apple.com>
6013
6014         * objc/Make-lang.in (objc-lang.o):  Depend on tree-gimple.h.
6015         (objc-act.o):  Ditto.
6016         * objc/objc-act.c (objc_gimplify_expr):  New.
6017         (objc_get_callee_fndecl):  New.
6018         * objc/objc-act.h:  Include tree-gimple.h.  Declare new functions.
6019         * objc/objc-lang.c (LANG_HOOKS_GIMPLIFY_EXPR):  Define.
6020         (LANG_HOOKS_GET_CALLEE_FNDECL):  Define.
6021
6022 2005-04-13  Devang Patel  <dpatel@apple.com>
6023
6024         * tree-if-conv.c (tree_if_convert_cond_expr): Do not create extra
6025         temp variables.
6026
6027 2005-04-13  Hans-Peter Nilsson  <hp@axis.com>
6028
6029         CRIS prologue as RTL.
6030         * config/cris/cris-protos.h (cris_emit_movem_store)
6031         (cris_expand_prologue): Prototype.
6032         * config/cris/cris.c (struct machine_function): New member
6033         stdarg_regs.
6034         (cfa_label_num, cris_target_asm_function_prologue): Remove.
6035         (TARGET_ASM_FUNCTION_PROLOGUE): Don't override.
6036         (cris_general_operand_or_gotless_symbol): Accept CRIS_UNSPEC_GOT.
6037         (cris_load_multiple_op, cris_return_address_on_stack)
6038         (cris_return_address_on_stack_for_return): ISO-Cify.
6039         (cris_store_multiple_op): New predicate function.
6040         (cris_expand_prologue, cris_emit_movem_store): New functions.
6041         (cris_print_operand) <case 'O'>: Handle modifications other than
6042         post-increment.
6043         (cris_symbol, cris_got_symbol): Return 0 for CRIS_UNSPEC_GOT.
6044         (cris_gotless_symbol): Return 1 for CRIS_UNSPEC_GOT.
6045         (cris_gen_movem_load): Rearrange slightly to make local variable
6046         src a parameter, removing osrc.
6047         (cris_setup_incoming_varargs): Set machine_function member
6048         stdarg_regs to correspond to the number of registers that need to
6049         be saved.
6050         * config/cris/cris.h (EXTRA_CONSTRAINT_S): Accept
6051         CRIS_UNSPEC_GOT.
6052         (PREDICATE_CODES): Add cris_store_multiple_op.  Make
6053         cris_general_operand_or_gotless_symbol accept UNSPEC.
6054         * config/cris/cris.md (CRIS_UNSPEC_GOT): New constant.
6055         ("*movsi_internal") <alternative 8>: Handle CRIS_UNSPEC_GOT.
6056         ("*cris_store_multiple"): New pattern.  Tweak common comment above
6057         this and "*cris_load_multiple".
6058         ("prologue"): New define_expand.
6059
6060         * config/cris/cris.md ("epilogue"): Conditionalize on
6061         TARGET_PROLOGUE_EPILOGUE.
6062
6063 2005-04-13  Steve Ellcey  <sje@cup.hp.com>
6064
6065         PR target/20924
6066         * config/ia64/ia64.md (divsf3_internal_lat): Generate frcpa with
6067         fpsr 0 instead of fpsr 1.
6068         (divsf3_internal_thr): Ditto.
6069         (divdf3_internal_lat): Ditto.
6070         (divdf3_internal_thr): Ditto.
6071         (divxf3_internal_lat): Ditto.
6072         (divxf3_internal_thr): Ditto.
6073
6074 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
6075
6076         PR tree-optimization/20913
6077         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Fold COND_EXPR.
6078
6079         PR tree-optimization/20702
6080         * tree-vrp.c (maybe_add_assert_expr): Recurse into
6081         dominator children that haven't been walked into.
6082
6083 2005-04-13  Julian Brown  <julian@codesourcery.com>
6084
6085         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK from
6086         being used for symbols with vague linkage when HAVE_GAS_COMDAT_GROUP
6087         is true.
6088
6089 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
6090
6091         * basic-block.h, tree-ssa-uncprop.c, varasm.c,
6092         config/i386/sse.md: Fix comment typos.
6093
6094         * genattrtab.c (NULL_ATTR): Remove.
6095         * ifcvt.c (NULL_EDGE): Likewise.
6096
6097         * rtl.h (RTX_EXPR_FIRST, RTX_EXPR_LAST): Remove.
6098
6099         * rtl.h (NOTE_PREDICTION_ALG, NOTE_PREDICTION_FLAGS,
6100         NOTE_PREDICT): Remove.
6101
6102 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
6103
6104         * configure.ac (gcc_AC_CHECK_DECLS): Add vsnprintf.
6105         * configure: Regenerate.
6106         * config.in: Likewise.
6107         * system.h: Declare vsnprintf if not already declared.
6108
6109 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
6110
6111         * optc-gen.awk: Handle stand-alone Mask records.
6112         * opth-gen.awk: Likewise.
6113         * doc/options.texi (Option file format): Document them.
6114         * config.gcc (sparc-*-netbsdelf*, sparc-*-linux*, sparc64-*-freebsd*,
6115         sparc64-*-linux*, sparc64-*-netbsd*): Add long-double-switch.opt.
6116         (sparc64-*-openbsd*, sparc64-*-elf*): Add little-endian.opt.
6117         * config/sparc/sparc.h (MASK_FPU, MASK_UNALIGNED_DOUBLES,
6118         MASK_V8, MASK_SPARCLITE, MASK_SPARCLET, MASK_V9,
6119         MASK_DEPRECATED_V8_INSNS, MASK_IMPURE_TEXT, MASK_APP_REGS,
6120         MASK_HARD_QUAD, MASK_LITTLE_ENDIAN, MASK_PTR64, MASK_64BIT,
6121         MASK_STACK_BIAS, MASK_FPU_SET, MASK_VIS, MASK_V8PLUS,
6122         MASK_FASTER_STRUCTS, MASK_LONG_DOUBLE_128): Delete.
6123         (TARGET_FPU, TARGET_UNALIGNED_DOUBLES, TARGET_V8, TARGET_SPARCLITE,
6124         TARGET_SPARCLET, TARGET_V9, TARGET_DEPRECATED_V8_INSNS,
6125         TARGET_IMPURE_TEXT, TARGET_APP_REGS, MASK_HARD_QUAD,
6126         TARGET_LITTLE_ENDIAN, TARGET_PTR64, TARGET_64BIT, MASK_STACK_BIAS,
6127         TARGET_FPU_SET, TARGET_VIS, TARGET_V8PLUS, TARGET_FASTER_STRUCTS,
6128         TARGET_LONG_DOUBLE_128): Likewise.
6129         (TARGET_SWITCHES, SUBTARGET_SWITCHES): Likewise.
6130         (TARGET_OPTIONS, SUBTARGET_OPTIONS): Likewise.
6131         * config/sparc/freebsd.h (SUBTARGET_SWITCHES): Likewise.
6132         * config/sparc/linux.h (SUBTARGET_SWITCHES): Likewise.
6133         * config/sparc/linux64.h (SUBTARGET_SWITCHES): Likewise.
6134         * config/sparc/netbsd-elf.h (SUBTARGET_SWITCHES): Likewise.
6135         * config/sparc/sp64-elf.h (SUBTARGET_SWITCHES): Likewise.
6136         * config/sparc/sparc.c (fpu_option_set): New global.
6137         (sparc_handle_option): New function.
6138         (sparc_override_options): Test fpu_option_set.
6139         (TARGET_DEFAULT_TARGET_FLAGS): Set to TARGET_DEFAULT.
6140         (TARGET_HANDLE_OPTION): Set to sparc_handle_option.
6141         * config/sparc/sparc.opt: New file.
6142         * config/sparc/little-endian.opt: Likewise.
6143         * config/sparc/long-double-switch.opt: Likewise.
6144
6145 2005-04-13  Bernd Schmidt  <bernd.schmidt@analog.com>
6146
6147         * config/bfin/bfin.c (bfin_lib_id_given): New static variable.
6148         (bfin_handle_options): Set it if -mshared-library-id= is seen.
6149         * config/bfin/bfin.opt (mshared-library-id=): Lose
6150         Var(bfin_lib_id_given).
6151
6152 2005-04-13  Matt Thomas  <matt@3am-software.com>
6153
6154         * config/rs6000/sysv4.h (NO_IMPLICIT_EXTERN_C): undefine before
6155         defining.
6156
6157 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
6158
6159         * rtl.h (CLEAR_RTX_FLAGS): Remove.
6160
6161         * cgraphunit.c (INSNS_PER_CALL): Remove.
6162
6163         * tree-ssa-forwprop.c (vars,
6164         record_single_argument_cond_exprs,
6165         substitute_single_use_vars): Remove.
6166         (forward_propagate_into_cond_1, forward_propagate_into_cond):
6167         New.
6168         (tree_ssa_forward_propagate_single_use_vars): Call
6169         forward_propagate_into_cond for each COND_EXPR.
6170
6171         * tree-inline.c (INSNS_PER_STMT): Remove.
6172
6173 2005-04-12  Richard Henderson  <rth@redhat.com>
6174
6175         * config/i386/i386.c (ix86_prepare_sse_fp_compare_args): Split ...
6176         (ix86_expand_sse_fp_minmax): ... from ...
6177         (ix86_expand_fp_movcc): ... here.
6178         (ix86_expand_sse_movcc): Rewrite from ix86_split_sse_movcc.
6179         * config/i386/i386-protos.h: Update.
6180         * config/i386/i386.md (UNSPEC_IEEE_MIN, UNSPEC_IEEE_MAX): New.
6181         (sse_setccsf, sse_setccdf): Allow before reload.
6182         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): Remove.
6183         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): Remove.
6184         (ieee_sminsf3, ieee_smaxsf3, ieee_smindf3, ieee_smaxdf3): New.
6185         * config/i386/sse.md (andsf3, nandsf3, iorsf3, xorsf3): New.
6186         (anddf3, nanddf3, iordf3, xordf3): New.
6187
6188 2005-04-12  Jeff Law  <law@redhat.com>
6189
6190         * Makefile.in (OBJS-common): Add tree-ssa-uncprop.o.
6191         (tree-ssa-uncprop.o): Add dependencies.
6192         * tree-cfg.c (remove_useless_stmts_bb, remove_useless_stmts): Remove.
6193         * tree-flow.h (remove_useless_stmts): Remove prototype.
6194         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
6195         remove_useless_stmts.
6196         * timevar.def (TV_TREE_SSA_UNCPROP): New timevar.
6197         * tree-optimize.c (init_tree_optimization_passes): Add uncprop pass.
6198         * tree-pass.h (pass_uncprop): Declare.
6199         * tree-ssa-uncprop.c: New file.
6200
6201 2005-04-12  James E. Wilson  <wilson@specifixinc.com>
6202
6203         PR target/20670
6204         * unwind-ia64.c (uw_intall_context): Add missing load of r27.
6205
6206 2005-04-12  Caroline Tice  <ctice@apple.com>
6207
6208         Temporary fix for partitioning problems.
6209         * passes.c (rest_of_handle_final): Remove code that
6210         frees unlikely_text_section_name,
6211         * varasm.c (assemble_start_function): Test for partitioning
6212         flag before writing out section labels.
6213         (assemble_end_function): Test for partitioning flag before
6214         writing out section labels.
6215
6216 2005-04-12  Steven Bosscher  <stevenb@suse.de>
6217             Stuart Hastings <stuart@apple.com>
6218             Jan Hubicka  <jh@suse.cz>
6219
6220         * Makefile.in: Add function.h to BASIC_BLOCK_H.  Remove all
6221         references to gt-tree-cfg.h.
6222         * basic-block.h (struct basic_block_def): Don't skip rbi
6223         for garbage collection.
6224         (struct reorder_block_def): Make GTY-able.
6225         (struct control_flow_graph): New structure.
6226         (n_edges, n_basic_blocks, last_basic_block, basic_block_info,
6227         BASIC_BLOCK, EXIT_BLOCK_PTR, ENTRY_BLOCK_PTR): No longer vars,
6228         but instead defines to the control_flow_graph for cfun.
6229         (label_to_block_map): New define, points to the label map of
6230         the control_flow_graph for cfun.
6231         (n_edges_for_function, n_basic_blocks_for_function,
6232         last_basic_block_for_function, basic_block_info_for_function,
6233         EXIT_BLOCK_PTR_FOR_FUNCTION, ENTRY_BLOCK_PTR_FOR_FUNCTION,
6234         basic_block_info_for_function, label_to_block_map_for_function):
6235         Counterparts for the above, taking a struct function as an extra
6236         argument.
6237         (alloc_rbi_pool, free_rbi_pool): Remove prototypes.
6238         * cfg.c: (n_edges, n_basic_blocks, last_basic_block,
6239         basic_block_info, ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): Remove.
6240         (alloc_rbi_pool, free_rbi_pool): Remove.
6241         (initialize_bb_rbi): Use ggc_alloc_cleared instead of pool_alloc.
6242         * cfglayout.c: (cfg_layout_initialize): Don't allocate the rbi pool
6243         here...
6244         (cfg_layout_finalize) ... and don't free it here.
6245         * cfgrtl.c (cfg_layout_delete_block): Zero out rbi so it gets
6246         garbage collected.
6247         * flow.c (free_basic_block_vars): Set label_to_block_map and
6248         n_edges to zero too.
6249         * function.h (struct function): Add cfg field.
6250         * function.c (allocate_struct_function): Allocate the cfg.
6251         * tree-cfg.c (label_to_block_map): Remove.
6252         (build_tree_cfg): Don't allocate the rbi pool here...
6253         (delete_tree_cfg_annotations): ...and don't free it here.
6254         Also don't nullify label_to_block_map for cfun.
6255
6256 2005-04-12  Caroline Tice  <ctice@apple.com>
6257
6258         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
6259         Revert my patch from April 9.
6260         (fix_edges_for_rarely_executed_code): Revert my patch from April 9.
6261         (reorder_basic_blocks): Revert my patch from April 9.
6262         (insert_section_boundary_note): Revert my patch from April 9.
6263         * dbxout.c (dbxout_function_end): Revert my patch from April 9.
6264         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): Revert my patch from April 9.
6265         (COLD_END_LABEL):  Revert my patch from April 9.
6266         (cold_text_section_label):  Revert my patch from April 9.
6267         (cold_end_label): Revert my patch from April 9.
6268         (dwarf2out_switch_text_section): Revert my patch from April 9.
6269         (output_aranges): Revert my patch from April 9.
6270         (output_ranges):  Revert my patch from April 9.
6271         (output_line_info): Revert my patch from April 9.
6272         (add_location_or_const_value_attribute):  Revert my patch from April 9.
6273         (dwarf2out_var_location): Revert my patch from April 9.
6274         (dwarf2out_init):  Revert my patch from April 9.
6275         (dwarf2out_finish): Revert my patch from April 9.
6276         * function.h (struct function): Revert my patch from April 9.
6277         * opts.c (decode_options): Revert my patch from April 9.
6278         * output.h (unlikely_section_label, hot_section_label,
6279         hot_section_end_label, cold_section_end_label,
6280         unlikely_text_section_name): Revert my patch from April 9.
6281         * passes.c (rest_of_handle_final): Revert my patch from April 9.
6282         * varasm.c (unlikely_section_label, hot_section_label,
6283         hot_section_end_label, cold_section_end_label,
6284         unlikely_text_section_name): Revert my patch from April 9.
6285         (initialize_cold_section_name): Revert my patch from April 9.
6286         (unlikely_text_section): Revert my patch from April 9.
6287         (in_unlikely_text_section): Revert my patch from April 9.
6288         (named_section): Revert my patch from April 9.
6289         (function_section): Revert my patch from April 9.
6290         (current_function_section): Revert my patch from April 9.
6291         (assemble_start_function): Revert my patch from April 9.
6292         (assemble_end_function): Revert my patch from April 9.
6293         (default_section_type_flags_1): Revert my patch from April 9.
6294
6295 2005-04-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
6296
6297         * config/sparc/sparc.h (APPLY_RESULT_SIZE): Set to 24 in 64-bit mode.
6298         * config/sparc/sparc.md (untyped_call): Save the registers manually.
6299
6300         * config/sparc/sparc.c (legitimate_address_p): Use TARGET_ARCH32.
6301
6302 2005-04-12  Ulrich Weigand  <uweigand@de.ibm.com>
6303
6304         PR middle-end/20917
6305         * config/s390/s390.md ("*set_tp"): Use SET in pattern.
6306         ("set_tp_64", "set_tp_31"): Adapt expanded pattern.
6307
6308 2004-04-12  Richard Henderson  <rth@redhat.com>
6309
6310         * config/i386/i386.md (UNSPEC_FIX, UNSPEC_MOVA, UNSPEC_SHUFFLE,
6311         UNSPEC_PSHUFLW, UNSPEC_PSHUFHW, UNSPEC_ADDSUB, UNSPEC_HADD,
6312         UNSPEC_HSUB, UNSPEC_MOVSHDUP, UNSPEC_MOVSLDUP, UNSPEC_MOVDDUP): Remove.
6313         (UNSPEC_*, UNSPECV_*): Renumber.
6314
6315 2005-04-12  Frank Ch. Eigler  <fche@redhat.com>
6316
6317         PR mudflap/19266
6318         From Richard Henderson <rth@redhat.com>:
6319         * tree-mudflap.c (mf_build_check_statement_for): Correct block
6320         splitting logic.
6321
6322 2005-04-12  Dorit Naishlos  <dorit@il.ibm.com>
6323
6324         * tree-cfg.c (tree_verify_flow_info): Use LABEL_EXPR_LABEL.
6325
6326 2005-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
6327
6328         * config/bfin/bfin.c (bfin_library_id_string): Remove.
6329         (bfin_library_id): New variable.
6330         (bfin_expand_prologue): Use bfin_library_id and bfin_lib_id_given
6331         instead of bfin_library_id_string.
6332         (bfin_handle_option): New function.
6333         (override_options): Remove most code to deal with shared library IDs,
6334         just check they aren't used without -mid-shared-library.
6335         (TARGET_HANDLE_OPTION): Define.
6336         * config/bfin/bfin.h (TARGET_OPTIONS): Delete macro.
6337         * config/bfin/bfin.opt (mshared-library-id=): New.
6338
6339 2005-04-12  Kazu Hirata  <kazu@cs.umass.edu>
6340
6341         * tree-vect-transform.c: Fix comment typos.
6342
6343 2005-04-12 Mostafa Hagog <mustafa@il.ibm.com>
6344
6345         * postreload-gcse.c (eliminate_partially_redundant_load): Don't
6346         split critical edges when not possible/profitable.
6347
6348 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
6349
6350         * config/ns32k/ns32k.h (target_flags, MASK_32081, MASK_RTD)
6351         (MASK_REGPARM, MASK_32532, MASK_32332, MASK_NO_SB, MASK_NO_BITFIELD)
6352         (MASK_HIMEM, MASK_32381, MASK_MULT_ADD, MASK_SRC, MASK_IEEE_COMPARE)
6353         (TARGET_32081, TARGET_32381, TARGET_MULT_ADD, TARGET_RTD)
6354         (TARGET_REGPARM, TARGET_32532, TARGET_32332, TARGET_SB, TARGET_HIMEM)
6355         (TARGET_BITFIELD, TARGET_IEEE_COMPARE, TARGET_SWITCHES): Delete.
6356         (OVERRIDE_OPTIONS): Clear MASK_SB instead of setting MASK_NO_SB.
6357         * config/ns32k/netbsd.h (TARGET_DEFAULT): Remove MASK_NO_SB and
6358         MASK_NO_BITFIELD.
6359         * config/ns32k/ns32k.c (ns32k_handle_option): New function.
6360         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
6361         * config/ns32k/ns32k.opt: New file.
6362
6363 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
6364
6365         * config.gcc (m68k-*-linux*): Add m68k/ieee.opt to $extra_options.
6366         * config/m68k/m68k.h (target_flags, MASK_68020, TARGET_68020)
6367         (MASK_68030, TARGET_68030, MASK_68040, TARGET_68040, MASK_68040_ONLY)
6368         (TARGET_68040_ONLY, MASK_68060, TARGET_68060, MASK_5200, TARGET_5200)
6369         (MASK_CFV3, TARGET_CFV3, MASK_CFV4, TARGET_CFV4, MASK_528x)
6370         (TARGET_528x, MASK_CF_HWDIV, TARGET_CF_HWDIV, MASK_68881, TARGET_68881)
6371         (MASK_BITFIELD, TARGET_BITFIELD, MASK_SHORT, TARGET_SHORT)
6372         (MASK_ALIGN_INT, TARGET_ALIGN_INT, MASK_PCREL, TARGET_PCREL)
6373         (MASK_NO_STRICT_ALIGNMENT, TARGET_STRICT_ALIGNMENT, MASK_RTD)
6374         (TARGET_RTD, MASK_SEP_DATA, TARGET_SEP_DATA, MASK_ID_SHARED_LIBRARY)
6375         (TARGET_ID_SHARED_LIBRARY, MASK_ALL_CF_BITS, TARGET_SWITCHES)
6376         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS): Delete.
6377         (MASK_COLDFIRE): Formatting fixes.
6378         (TARGET_COLDFIRE): Turn into a boolean value for consistency.
6379         * config/m68k/linux.h (SUBTARGET_SWITCHES): Delete.
6380         * config/m68k/m68k.c (m68k_library_id_string): Initialize to
6381         "_current_shared_library_a5_offset_".
6382         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
6383         (MASK_ALL_CPU_BITS): New macro.
6384         (m68k_handle_option): New function.
6385         (override_options): Remove handling of m68k_library_id_string.
6386         * config/m68k/m68k.opt: New file.
6387         * config/m68k/ieee.opt: New file.
6388
6389 2005-04-11  Mark Mitchell  <mark@codesourcery.com>
6390
6391         * target-def.h (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
6392         (TARGET_CXX_DETERMINE_CLASS_VISIBILITY): New macro.
6393         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
6394         (TARGET_CXX): Adjust accordingly.
6395         * target.h (struct gcc_target): Remove epxort_class_data.  Add
6396         determine_class_data_visibility and class_data_always_comdat.
6397         * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
6398         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Document.
6399         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
6400         * config/arm/arm.c (arm_cxx_export_class_data): Remove.
6401         (arm_cxx_determine_class_data_visibility): New.
6402         (arm_cxx_class_data_always_comdat): Likewise.
6403         (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
6404         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
6405         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
6406         * config/arm/arm.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P): Define.
6407         * config/arm/symbian.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P):
6408         Define.
6409
6410 2005-04-11  Devang Patel  <dpatel@apple.com>
6411
6412         * tree-data-ref.c (build_classic_dist_vector,
6413         compute_subscript_distance): Make externally visible.
6414         * tree-data-ref.h (build_classic_dist_vector,
6415         compute_subscript_distance): Same.
6416         * tree-vect-analyze.c (vect_analyze_data_ref_dependence):
6417         Check distance vector against vectorization factor.
6418         (vect_analyze_loop): Determine vectorizaion factor before
6419         analyzing data dependences.
6420         * tree-vectorizer.c (loops_num): Make it externally visible and
6421         rename ...
6422         * tree-vectorizer.c (vect_loops_num): ... new name.
6423         * tree-vectorizer.h  (vect_loops_num): New.
6424
6425 2005-04-11  Devang Patel  <dpatel@apple.com>
6426
6427         * tree-vect-analyze.c (vect_analyze_operations): Check
6428         vectorizable codition.
6429         * tree-vect-transform.c (vect_is_simple_cond): New function.
6430         (vectorizable_condition): New function.
6431         (vect_transform_stmt): Handle condition_vec_info_type.
6432         * tree-vectorizer.h (enum stmt_vec_info_type): Add
6433         condition_vec_info_type.
6434         (vectorizable_condition): New.
6435
6436 2005-04-11  Geoffrey Keating  <geoffk@apple.com>
6437
6438         * config/i386/i386.h (TARGET_FPMATH_DEFAULT): New.
6439         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT): New.
6440         * config/i386/i386.c (override_options): Use TARGET_FPMATH_DEFAULT.
6441
6442         * config/i386/darwin.h (ASM_SPEC): Use -arch i386 not -arch i686.
6443         (SUBTARGET_EXTRA_SPECS): Always 'i386'.
6444
6445         * dwarf2out.c (output_line_info): Don't try to dereference
6446         a NULL current_function_decl.
6447
6448         * config/t-slibgcc-darwin: Don't put shared libraries in
6449         directories other than $(slibdir).
6450         * config/rs6000/darwin.h: Find -m64 libgcc under the name the
6451         OS uses for it.
6452
6453 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
6454
6455         PR tree-optimization/20933
6456         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Move
6457         logic to reject aliases between read-only and writable
6458         variables ...
6459         (may_alias_p): ... here.
6460         (get_tmt_for): Do not associate read-only tags to pointers
6461         whose pointed-to type is not read-only.
6462         * tree-ssa.c (verify_ssa): Check that memory stores have at
6463         least one V_MAY_DEF or V_MUST_DEF.
6464
6465 2005-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6466
6467         PR/17092
6468         * configure.ac (gcc_UNLOCKED_FUNCS): New.
6469         (AC_CHECK_FUNCS, AC_CHECK_DECLS): Check for gcc_UNLOCKED_FUNCS.
6470         * system.h (putchar, getc, getchar, clearerr, feof, fileno,
6471         fflush, fgetc, fgets, ferror, fread): Redefine to the associated
6472         _unlocked function.
6473         (fwrite_unlocked): Fix prototype.
6474
6475         * configure, config.in: Regenerate.
6476
6477 2005-04-11  David Edelsohn  <edelsohn@gnu.org>
6478
6479         * tree-ssa-loop-im.c: Include real.h.
6480         (determine_invariantness_stmt): If real division divisor is
6481         invariant and flag_unsafe_math_optimizations enabled, generate
6482         invariant reciprocal for hoisting.
6483         * Makefile.in (tree-ssa-loop-im.o): Add real.h dependency.
6484
6485 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
6486
6487         Fix PR tree-optimization/20926
6488
6489         * tree-ssa-alias.c (add_type_alias): Handle subvars.
6490
6491 2005-04-11  Devang Patel  <dpatel@apple.com>
6492
6493         * config/rs6000.c (rs6000_emit_vector_select): Fix vector select
6494         operand ordering.
6495
6496 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
6497
6498         * fold-const.c (fold_binary_op_with_conditional_arg):
6499         use fold_buildN instead of "fold (buildN" in some
6500         non obvious places.
6501         (fold_unary): Likewise.
6502         (fold_binary): Likewise.
6503
6504 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
6505
6506         Fix PR tree-optimization/20612
6507         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Fix increment
6508         handling
6509         (perfect_nestify): preheaderbb is *not* part of loop of the
6510         old destination.
6511
6512 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
6513
6514         * tree-ssa-alias.c (may_alias_p): If the variable
6515         is a global variable and the pointer is parameter
6516         and -fargument-noalias-global is used, then
6517         the pointer cannot alias the variable.
6518
6519 2005-04-11  James A. Morrison  <phython@gcc.gnu.org>
6520
6521         * config/sparc/sparc.c: Use gcc_assert and gcc_unreachable.
6522         * config/sparc/sparc.h: Likewise.
6523         * config/sparc/sparc.md: Likewise.
6524
6525 2005-04-11  Kazu Hirata  <kazu@cs.umass.edu>
6526
6527         * tree-vrp.c (maybe_add_assert_expr): Move a comment.
6528
6529         * tree-vrp.c: Fix a comment typo.
6530
6531 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
6532
6533         PR tree-optimization/20920
6534         * tree-pretty-print.c (dump_generic_node): Show '(ab)' if an
6535         SSA_NAME flows through an abnormal edge.
6536         * tree-vrp.c (infer_value_range): Ignore SSA names that flow
6537         through abnormal edges.
6538         (maybe_add_assert_expr): Likewise.
6539
6540 2005-04-11  Richard Sandiford  <rsandifo@redhat.com>
6541
6542         * config/s390/s390.h (s390_tune_string, s390_arch_string)
6543         (s390_warn_framesize_string, s390_warn_dynamicstack_string)
6544         (s390_stack_size_string, s390_stack_guard_string, target_flags)
6545         (MASK_HARD_FLOAT, MASK_SMALL_EXEC, MASK_DEBUG_ARG, MASK_64BIT)
6546         (MASK_ZARCH, MASK_MVCLE, MASK_TPF_PROFILING, MASK_NO_FUSED_MADD)
6547         (MASK_BACKCHAIN, MASK_PACKED_STACK, TARGET_HARD_FLOAT)
6548         (TARGET_SOFT_FLOAT, TARGET_SMALL_EXEC, TARGET_DEBUG_ARG)
6549         (TARGET_64BIT, TARGET_ZARCH, TARGET_MVCLE, TARGET_TPF_PROFILING)
6550         (TARGET_NO_FUSED_MADD, TARGET_FUSED_MADD, TARGET_BACKCHAIN)
6551         (TARGET_PACKED_STACK, TARGET_SWITCHES, TARGET_OPTIONS): Delete.
6552         * config/s390/s390.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
6553         (TARGET_HANDLE_OPTION): Likewise.
6554         (s390_tune): Initialize to PROCESSOR_max.
6555         (s390_arch_string): Make static.
6556         (s390_tune_string, s390_warn_framesize_string): Delete.
6557         (s390_warn_dynamicstack_string, s390_stack_size_string): Delete.
6558         (s390_stack_guard_string, s390_warn_dynamicstack_p): Delete.
6559         (s390_handle_arch_option, s390_handle_option): New functions.
6560         (override_options): Remove parsing of option strings.
6561         * config/s390/s390.opt: New file.
6562
6563 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
6564
6565         * tree-complex.c (expand_vector_operations): Call
6566         update_stmt_if_modified.
6567
6568 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
6569
6570         * tree-vect-analyze (vect_determine_vectorization_factor):
6571         Do not use GET_MODE_NUNITS.
6572         * tree-vect-transform.c (vect_get_vec_def_for_operand,
6573         (vectorizable_load, vect_transform_loop): Likewise.
6574
6575 2005-04-11  Uros Bizjak  <uros@kss-loka.si>
6576
6577         * builtins.def (BUILT_IN_LCEIL, BUILT_IN_LCEILF, BUILT_IN_LCEILL)
6578         (BUILT_IN_LLCEIL, BUILT_IN_LLCEILF, BUILT_IN_LLCEILL): New.
6579         * optabs.h (enum optab_index): Add new OTI_lceil.
6580         (lceil_optab): Define corresponding macro.
6581         * optabs.c (init_optabs): Initialize lceil_optab.
6582         * genopinit.c (optabs): Implement lceil_optab using lceilsi2
6583         and lceildi2 patterns.
6584         * builtins.c (expand_builtin_int_roundingfn): Handle
6585         BUILT_IN_LCEIL{,F,L} and BUILT_IN_LLCEIL{,F,L}.
6586         (fold_builtin_int_roundingfn): Handle BUILT_IN_LCEIL{,F,L} and
6587         BUILT_IN_LLCEIL{,F,L}.
6588         (fold_builtin_1): Fold BUILT_IN_LCEIL{,F,L} and
6589         BUILT_IN_LLCEIL{,F,L} using fold_builtin_int_roundingfn.
6590         (mathfn_built_in): Handle BUILT_IN LCEIL and BUILT_IN_LLCEIL.
6591         (expand_builtin): Expand BUILT_IN_LCEIL{,F,L} and
6592         BUILT_IN_LLCEIL{,F,L} using expand_builtin_int_roundingfn.
6593         * convert.c (convert_to_integer): Convert (long int)ceil{,f,l},
6594         into lceil built-in function and (long long int)ceil{,f,l} into
6595         llceil built-in function.
6596         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LCEIL and
6597         BUILT_IN_LLCEIL.
6598
6599 2005-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6600
6601         * pa/quadlib.c (_U_Qfneg): Toggle sign bit instead of subtracting from
6602         zero.
6603
6604 2005-04-10  Kazu Hirata  <kazu@cs.umass.edu>
6605
6606         * config/arm/arm.c: Fix a comment typo.
6607         * doc/tree-ssa.texi: Fix a typo.
6608
6609 2005-04-10  Steven Bosscher  <stevenb@suse.de>
6610
6611         * cselib.c (clear_table): Rename to cselib_clear_table.
6612         * cselib.h (cselib_clear_table): Add prototype.
6613         * gcse.c (gcse_main): Make 'f' argument unused.
6614         (alloc_gcse_mem): Do not walk the insn chain, walk the contents
6615         of each basic block instead.
6616         (compute_sets, compute_hash_table_work): Likewise.
6617         (constprop_register): Change int 'alter_jumps' argument to bool.
6618         (do_local_cprop): Likewise.
6619         (local_cprop_pass): Likewise.  Also walk basic blocks instead of
6620         the insn chain.  Explicitly clear the cselib tables after finishing
6621         one basic block.  Make sure there are no unterminated libcall blocks.
6622         Update compute_sets call.
6623         (cprop): Walk basic blocks instead of the insn chain.
6624         (one_cprop_pass, compute_ld_motion_mems, compute_store_table):
6625         Likewise.
6626         (bypass_jumps): Update alloc_gcse_mem, compute_sets, and
6627         one_cprop_pass calls.
6628
6629 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
6630
6631         * combine.c (combine_simplify_rtx): Remove a transformation that
6632         relies on an invalid assumption about rtl sign-extension semantics.
6633
6634 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
6635
6636         * value-prof.c (tree_divmod_fixed_value_transform): Fix arguments
6637         to build_int_cst_wide.
6638
6639 2005-04-09  Alexandre Oliva  <aoliva@redhat.com>
6640
6641         PR target/20126
6642         * loop.c (loop_givs_rescan): If replacement of DEST_ADDR failed,
6643         set the original address pseudo to the correct value before the
6644         original insn, if possible, and leave the insn alone, otherwise
6645         create a new pseudo, set it and replace it in the insn.
6646         * recog.c (validate_change_maybe_volatile): New.
6647         * recog.h (validate_change_maybe_volatile): Declare.
6648
6649 2005-04-09  Caroline Tice  <ctice@apple.com>
6650
6651         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
6652         Remove targetm.have_named_sections test.
6653         (fix_edges_for_rarely_executed_code): Likewise.
6654         (insert_section_boundary_note): Likewise.
6655         (reorder_basic_blocks): Check partitioning flag before calling
6656         verify_hot_cold_block_grouping.
6657         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
6658         the function struct rather than global variables.
6659         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
6660         (COLD_END_LABEL): Likewise
6661         (cold_text_section_label): New static global variable.
6662         (cold_end_label): Likewise.
6663         (dwarf2out_switch_text_section): Get hot/cold section labels from
6664         the function struct rather than global variables.
6665         (output_aranges): Use cold_text_section_label and cold_end_label;
6666         check partitioning flag before putting out delta.
6667         (output_ranges): Remove incorrect code attempting to use
6668         hot/cold labels.
6669         (output_line_info): Get cold section label from function struct.
6670         (add_location_or_const_value_attribute): Likewise.
6671         (get_subprogram_die): Get hot/cold section labels from function struct.
6672         (dwarf2out_var_location): Likewise.
6673         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
6674         write out cold_text_section_label if partition flag is set.
6675         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
6676         * function.h (struct function): Add new fields to point to hot/cold
6677         section labels: hot_section_label, cold_section_label,
6678         hot_section_end_label and cold_section_end_label; also add new field
6679         for cold text section name, unlikely_text_section_name.
6680         * opts.c (decode_options): Turn off partitioning flag if
6681         !targetm.have_named_sections.
6682         * output.h (hot_section_label): Remove.
6683         (hot_section_end_label): Remove.
6684         (cold_section_end_label): Remove.
6685         (unlikely_section_label): Remove.
6686         (unlikely_text_section_name): Remove.
6687         * passes.c (rest_of_handle_final):  Remove code that frees
6688         unlikely_text_section_name.
6689         * varasm.c (unlikely_section_label): Remove.
6690         (hot_section_label): Remove.
6691         (hot_section_end_label): Remove.
6692         (cold_section_end_label): Remove.
6693         (unlikely_text_section_name):  Remove.
6694         (initialize_cold_section_name): Modify to call
6695         targetm.strip_name_encoding; to store cold section name in current
6696         function struct, if it exists; and to only use the decl_section_name
6697         if flag_named_sections is true.
6698         (unlikely_text_section): Modify to get section name out of current
6699         function struct, if there is one; otherwise build it from
6700         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
6701         (in_unlikely_text_section): Likewise.
6702         (named_section): Modify to get/put cold section name in current function
6703         struct, if there is one.
6704         (function_section):  Change 'bool unlikely' to 'int reloc'; check
6705         targetm.have_named_sections before calling named_section.
6706         (current_function_section): Likewise.
6707         (assemble_start_function): Modify to get/put unlikely_text_section_name
6708         in current function struct; modify to get hot/cold section labels
6709         from function struct; initialize labels using
6710         ASM_GENERATE_INTERNAL_LABEL;
6711         test partitioning flag before writing out hot section label.
6712         (assemble_end_function): Test partitioning flag before writing out
6713         hot/cold section labels.
6714         (default_section_type_flags_1):  Modify to use array instead of
6715          char* for unlikely_text_section_name; set flags correctly for
6716          cold text section if there is not a current function decl.
6717
6718 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
6719
6720         * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
6721         and TI_VA_LIST_FPR_COUNTER_FIELD.
6722         (va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
6723         * tree-pass.h (pass_stdarg): Add.
6724         * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
6725         * tree-stdarg.c: New file.
6726         * tree-stdarg.h: New file.
6727         * Makefile.in (OBJS-common): Add tree-stdarg.o.
6728         (tree-stdarg.o): Add dependencies.
6729         * function.h (struct function): Add va_list_gpr_size and
6730         va_list_fpr_size fields.
6731         * function.c (allocate_struct_function): Initialize them.
6732         * target.h (struct gcc_target): Add stdarg_optimize_hook.
6733         * target-def.h (TARGET_STDARG_OPTIMIZE_HOOK): Define.
6734         (TARGET_INITIALIZER): Add it.
6735
6736         * config/i386/i386.c (ix86_build_builtin_va_list): Initialize
6737         va_list_{g,f}pr_counter_field.
6738         (ix86_setup_incoming_varargs): Don't do anything if reg_save
6739         area will not be used.  Only save registers that tree-stdarg.c
6740         detected they need saving.
6741         (ix86_va_start): Don't set up fields that won't be used.
6742
6743         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
6744         va_list_{g,f}pr_counter_field.
6745         (setup_incoming_varargs): Don't do anything if reg_save
6746         area will not be used.  Only save registers that tree-stdarg.c
6747         detected they need saving.
6748         (rs6000_va_start): Don't set up fields that won't be used.
6749
6750         * config/alpha/alpha.c: Include tree-flow.h and tree-stdarg.h.
6751         (alpha_build_builtin_va_list): Initialize va_list_gpr_counter_field.
6752         (va_list_skip_additions, alpha_stdarg_optimize_hook): New functions.
6753         (TARGET_STDARG_OPTIMIZE_HOOK): Define.
6754
6755 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
6756
6757         PR target/20795
6758         * config/i386/i386.c (construct_container): Pass empty aligned
6759         struct, union or class in memory.
6760
6761 2005-04-09  Kazu Hirata  <kazu@cs.umass.edu>
6762
6763         * dominance.c, gthr-win32.h, reg-stack.c, tree-ssa-copy.c,
6764         tree-ssa-operands.c, tree-ssa.c, tree-vrp.c, varasm.c,
6765         config/alpha/alpha.c, config/arm/arm.c, config/m32r/m32r.h,
6766         config/rs6000/predicates.md: Fix comment typos.
6767
6768         * sched-int.h (haifa_insn_data): Remove blockage and units.
6769         (INSN_UNIT, INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK,
6770         ENCODE_BLOCKAGE, UNIT_BLOCKED, BLOCKAGE_RANGE,
6771         MIN_BLOCKAGE_COST, MAX_BLOCKAGE_COST): Remove.
6772
6773 2005-04-09  Jan Hubicka  <jh@suse.cz>
6774             Steven Bosscher  <stevenb@suse.de>
6775
6776         * cfglayout.c (copy_bbs): Rename n_edges to num_edges.
6777         * cfgloop.c (get_loop_exit_edges): Likewise.
6778         * cfgloopmanip.c (fix_irreducible_loops): Likewise.
6779         (unloop): Likewise.
6780         * loop-unroll.c (analyze_insns_in_loop): Likewise.
6781         * tree-cfg.c (dump_cfg_status): Likewise.
6782
6783 2005-04-09  David Edelsohn  <edelsohn@gnu.org>
6784
6785         * config/rs6000/predicates.md (altivec_register_operand): Remove
6786         redundant match_code test.
6787         (gpc_reg_operand): Same.
6788         (cc_reg_operand): Same.
6789         (cc_reg_not_cr0_operand): Same.
6790
6791 2005-04-09  Jan Hubicka  <jh@suse.cz>
6792
6793         Forgotten hunk from my last merge patch:
6794         * final.c (output_addr_const): Do not call mark_referenced.
6795
6796 2005-04-09  Andrew MacLeod  <amacleod@redhat.com>
6797
6798         * doc/tree-ssa.texi: Add immediate use documentation.
6799
6800 2005-04-09  Richard Earnshaw <richard.earnshaw@arm.com>
6801
6802         * arm.c (FL_WBUF): Define.
6803         (arm_tune_strongarm): Renamed from arm_is_strong.  All uses changed.
6804         (arm_is_6_or_7): Delete.
6805         (arm_tune_wbuf): New.
6806         (arm_override_options): Set arm_tune_wbuf.
6807         * arm.h (arm_tune_strongarm): Renamed from arm_is_strong.
6808         (arm_is_6_or_7): Delete declaration.
6809         (arm_tune_wbuf): New declartion.
6810         * arm.md (is_strongarm): Derive from arm_tune_strongarm.
6811         (model_wbuf): Derive from arm_tune_wbuf.
6812         * arm-cores.def (arm600, arm610, arm620, arm700, arm700i, arm710)
6813         (arm720, arm710c, arm7100, arm7500, arm7500fe, arm710t, arm720t)
6814         (arm740t): Mark CPUs as having a write buffer.
6815
6816 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
6817
6818         * config/i386/i386.md (*fp_jcc_7_387): Use 'const0_operand' instead
6819         of 'const_double_operand' in operand 2 constraints.  Update enable
6820         condition.
6821
6822 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
6823
6824         * builtins.def (BUILT_IN_LFLOOR, BUILT_IN_LFLOORF, BUILT_IN_LFLOORL)
6825         (BUILT_IN_LLFLOOR, BUILT_IN_LLFLOORF, BUILT_IN_LLFLOORL): New.
6826         * optabs.h (enum optab_index): Add new OTI_lfloor.
6827         (lfloor_optab): Define corresponding macro.
6828         * optabs.c (init_optabs): Initialize lfloor_optab.
6829         * genopinit.c (optabs): Implement lfloor_optab using lfloorsi2
6830         and lfloordi2 patterns.
6831         * builtins.c (expand_builtin_int_roundingfn): New prototype.
6832         (expand_builtin_int_roundingfn): New function.
6833         (fold_builtin_int_roundingfn): New prototype.
6834         (fold_builtin_int_roundingfn): New function, renamed from
6835         fold_builtin_lround.
6836         Handle BUILT_IN_LROUND{,F,L}, BUILT_IN_LLROUND{,F,L} and
6837         BUILT_IN_LFLOOR{,F,L}, BUILT_IN_LLFLOOR{,F,L}.
6838         (fold_builtin_1): Fold BUILT_IN_LFLOOR{,F,L} and
6839         BUILT_IN_LLFLOOR{,F,L} using fold_builtin_int_roundingfn.
6840         (mathfn_built_in): Handle BUILT_IN LFLOOR and BUILT_IN_LLFLOOR.
6841         (expand_builtin): Expand BUILT_IN_LFLOOR{,F,L} and
6842         BUILT_IN_LLFLOOR{,F,L} using expand_builtin_int_roundingfn.
6843         * convert.c (convert_to_integer): Convert (long int)floor{,f,l},
6844         into lfloor built-in function and (long long int)floor{,f,l} into
6845         llfloor built-in function.
6846         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LFLOOR and
6847         BUILT_IN_LLFLOOR.
6848
6849 2005-04-08  Ian Lance Taylor  <ian@airs.com>
6850
6851         * c-common.def: Move FOR_STMT, WHILE_STMT, DO_STMT, BREAK_STMT,
6852         CONTINUE_STMT, and SWITCH_STMT to cp/cp-tree.def.
6853         * c-common.h (WHILE_COND, WHILE_BODY): Move to cp/cp-tree.h.
6854         (DO_COND, DO_BODY): Likewise.
6855         (FOR_INIT_STMT, FOR_COND, FOR_EXPR, FOR_BODY): Likewise.
6856         (SWITCH_STMT_COND, SWITCH_STMT_BODY, SWITCH_STMT_TYPE): Likewise.
6857         (c_common_stmt_codes): Remove FOR_STMT, WHILE_STMT, DO_STMT,
6858         BREAK_STMT, CONTINUE_STMT, and SWITCH_STMT.
6859         (build_continue_stmt, build_break_stmt): Don't declare.
6860         (c_do_switch_warnings): Update declaration.
6861         * c-gimplify.c (enum bc_t): Remove.
6862         (struct c_gimplify_ctx, ctxp): Remove.
6863         (push_context, pop_context): Remove static functions.
6864         (c_genericize): Don't call push_context or pop_context.
6865         (begin_bc_block, finish_bc_block): Remove static functions.
6866         (build_bc_goto): Likewise.
6867         (gimplify_c_loop): Likewise.
6868         (gimplify_for_stmt, gimplify_while_stmt): Likewise.
6869         (gimplify_do_stmt, gimplify_switch_stmt): Likewise.
6870         (c_gimplify_expr): Remove handling of FOR_STMT, WHILE_STMT,
6871         DO_STMT, SWITCH_STMT, CONTINUE_STMT, BREAK_STMT.
6872         * c-common.c (c_do_switch_warnings): Rename from
6873         c_do_switch_warnings_1.
6874         (c_do_switch_warnings) [old version]: Remove.
6875         (c_do_switch_expr_warnings): Remove.
6876         * c-typeck.c (c_finish_case): Call new c_do_switch_warnings
6877         function instead of c_do_switch_expr_warnings.
6878         * c-dump.c (c_dump_tree): Remove handling of BREAK_STMT,
6879         CONTINUE_STMT, DO_STMT, FOR_STMT, SWITCH_STMT, and WHILE_STMT.
6880         * c-pretty-print.c (pp_c_statement): Likewise.
6881         * c-semantics.c (build_break_stmt, build_continue_stmt): Remove.
6882
6883 2005-04-08  Devang Patel  <dpatel@apple.com>
6884
6885         * tree-if-conv.c (find_phi_replacement_condition): New parameter, loop.
6886         While selecting replacement condition pay attention to loop header.
6887
6888 2005-04-08  Diego Novillo  <dnovillo@redhat.com>
6889
6890         Merge from tree-cleanup-branch: VRP, store CCP, store
6891             copy-prop, incremental SSA updating of FUD chains and
6892             newly exposed symbols.
6893
6894         * Makefile.in (tree-ssa-copy.o): Depend on tree-ssa-propagate.h.
6895         (OBJS-common): Add tree-vrp.o.
6896         (tree-vrp.o): New rule.
6897         * basic-block.h (nearest_common_dominator_for_set): Declare.
6898         * common.opt (ftree-store-ccp): New flag.
6899         (ftree-copy-prop): New flag.
6900         (ftree-vrp): New flag.
6901         (ftree-store-copy-prop): New flag.
6902         * dominance.c (nearest_common_dominator_for_set): New.
6903         * domwalk.c (walk_dominator_tree): Only traverse
6904         statements in blocks marked in walk_data->interesting_blocks.
6905         * domwalk.h (struct dom_walk_data): Add field interesting_blocks.
6906         * fold-const.c (fold): Handle ASSERT_EXPR.
6907         * opts.c (decode_options): Set flag_tree_copy_prop at -O1.
6908         Set flag_tree_store_ccp, flag_tree_store_copy_prop and
6909         flag_tree_vrp at -O2.
6910         * timevar.def (TV_TREE_VRP): Define.
6911         (TV_TREE_COPY_PROP): Define.
6912         (TV_TREE_STORE_COPY_PROP): Define.
6913         (TV_TREE_SSA_INCREMENTAL): Define.
6914         (TV_TREE_STORE_CCP): Define.
6915         * tree-cfg.c (tree_can_merge_blocks_p): Remove reference
6916         to kill_redundant_phi_nodes from comment.
6917         (verify_expr): Handle ASSERT_EXPR.
6918         * tree-dfa.c (mark_new_vars_to_rename): Remove second
6919         argument.  Update all users.
6920         (mark_call_clobbered_vars_to_rename): Remove.  Update all
6921         users.
6922         * tree-flow-inline.h (unmodifiable_var_p): New.
6923         * tree-flow.h (enum value_range_type): Declare.
6924         (struct value_range_def): Declare.
6925         (value_range): Declare.
6926         (remove_all_phi_nodes_for): Remove.  Update all users.
6927         (find_phi_node_for): Declare.
6928         (add_type_alias): Declare.
6929         (count_uses_and_derefs): Declare.
6930         (kill_redundant_phi_nodes): Remove.
6931         (rewrite_into_ssa): Remove.
6932         (rewrite_def_def_chains): Remove.
6933         (update_ssa, register_new_name_mapping, create_new_def_for,
6934         need_ssa_update_p, name_registered_for_update_p,
6935         release_ssa_name_after_update_ssa, dump_repl_tbl,
6936         debug_repl_tbl, dump_names_replaced_by,
6937         debug_names_replaced_by, mark_sym_for_renaming,
6938         mark_set_for_renaming, get_current_def, set_current_def,
6939         get_value_range, dump_value_range, debug_value_range,
6940         dump_all_value_ranges, debug_all_value_ranges,
6941         expr_computes_nonzero, loop_depth_of_name,
6942         unmodifiable_var_p): Declare.
6943         * tree-gimple.c (is_gimple_formal_tmp_rhs): Handle
6944         ASSERT_EXPR.
6945         * tree-into-ssa.c (block_defs_stack): Update comment.
6946         (old_ssa_names, new_ssa_names, old_virtual_ssa_names,
6947         syms_to_rename, names_to_release, repl_tbl,
6948         need_to_initialize_update_ssa_p, need_to_update_vops_p,
6949         need_to_replace_names_p): New locals.
6950         (NAME_SETS_GROWTH_FACTOR): Define.
6951         (struct repl_map_d): Declare.
6952         (struct mark_def_sites_global_data): Add field
6953         interesting_blocks.
6954         (enum rewrite_mode): Declare.
6955         (REGISTER_DEFS_IN_THIS_STMT): Define.
6956         (compute_global_livein): Use last_basic_block instead of
6957         n_basic_blocks.
6958         (set_def_block): Remove last argument.  Update all callers.
6959         (prepare_use_operand_for_rename): Remove.  Update all callers.
6960         (prepare_def_operand_for_rename): Remove.  Update all callers.
6961         (symbol_marked_for_renaming): New.
6962         (is_old_name): New.
6963         (is_new_name): New.
6964         (repl_map_hash): New.
6965         (repl_map_eq): New.
6966         (repl_map_free): New.
6967         (names_replaced_by): New.
6968         (add_to_repl_tbl): New.
6969         (add_new_name_mapping): New.
6970         (mark_def_sites): Assume that all the operands in the
6971         statement are in normal form.
6972         (find_idf): Assert that the block in the stack is valid.
6973         (get_default_def_for): New.
6974         (insert_phi_nodes_for): Add new argument 'update_p'.
6975         Add documentation.
6976         If update_p is true, add a new mapping between the LHS of
6977         each new PHI and the name that it replaces.
6978         (insert_phi_nodes_1): Only call find_idf if needed.
6979         (get_reaching_def): Call get_default_def_for.
6980         (rewrite_operand): Remove.
6981         (rewrite_stmt): Do nothing if REGISTER_DEFS_IN_THIS_STMT
6982         and REWRITE_THIS_STMT are false.
6983         Assume that all the operands in the statement are in
6984         normal form.
6985         (rewrite_add_phi_arguments): Don't use PHI_REWRITTEN.
6986         (rewrite_virtual_phi_arguments): Remove.
6987         (invalidate_name_tags): Remove.
6988         (register_new_update_single, register_new_update_set,
6989         rewrite_update_init_block, replace_use,
6990         rewrite_update_fini_block, rewrite_update_stmt,
6991         rewrite_update_phi_arguments): New.
6992         rewrite_blocks): Remove argument 'fix_virtual_phis'.
6993         Add arguments 'entry', 'what' and 'blocks'.
6994         Initialize the dominator walker according to 'what' and
6995         'blocks'.
6996         Start the dominator walk at 'entry'.
6997         (mark_def_site_blocks): Add argument 'interesting_blocks'.
6998         Use it to configure the dominator walker.
6999         (rewrite_into_ssa): Remove argument 'all'.
7000         Make internal.
7001         (rewrite_all_into_ssa): Remove.
7002         (rewrite_def_def_chains): Remove.
7003         (mark_def_interesting, mark_use_interesting,
7004         prepare_phi_args_for_update, prepare_block_for_update,
7005         prepare_def_site_for, prepare_def_sites,
7006         dump_names_replaced_by, debug_names_replaced_by,
7007         dump_repl_tbl, debug_repl_tbl, init_update_ssa,
7008         delete_update_ssa, create_new_def_for,
7009         register_new_name_mapping, mark_sym_for_renaming,
7010         mark_set_for_renaming, need_ssa_update_p,
7011         name_registered_for_update_p, ssa_names_to_replace,
7012         release_ssa_name_after_update_ssa,
7013         insert_updated_phi_nodes_for, update_ssa): New.
7014         * tree-loop-linear.c (linear_transform_loops): Call
7015         update_ssa instead of rewrite_into_ssa.
7016         * tree-optimize.c (vars_to_rename): Remove.
7017         Update all users.
7018         (init_tree_optimization_passes): Replace
7019         pass_redundant_phi with pass_copy_prop.
7020         Add pass_vrp.
7021         Replace pass_ccp with pass_store_ccp.
7022         Add pass_store_copy_prop after pass_store_ccp.
7023         (execute_todo): If the TODO_ flags don't include updating
7024         the SSA form, assert that it does not need to be updated.
7025         Call update_ssa instead of rewrite_into_ssa and
7026         rewrite_def_def_chains.
7027         If TODO_verify_loops is set, call verify_loop_closed_ssa.
7028         (tree_rest_of_compilation):
7029         * tree-pass.h (TODO_dump_func, TODO_ggc_collect,
7030         TODO_verify_ssa, TODO_verify_flow, TODO_verify_stmts,
7031         TODO_cleanup_cfg): Renumber.
7032         (TODO_verify_loops, TODO_update_ssa,
7033         TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
7034         TODO_update_ssa_only_virtuals): Define.
7035         (pass_copy_prop, pass_store_ccp, pass_store_copy_prop, pass_vrp):
7036         Declare.
7037         * tree-phinodes.c (make_phi_node): Update documentation.
7038         (remove_all_phi_nodes_for): Remove.
7039         (find_phi_node_for): New.
7040         * tree-pretty-print.c (dump_generic_node): Handle ASSERT_EXPR.
7041         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Likewise.
7042         (interpret_rhs_modify_expr): Likewise.
7043         * tree-sra.c (decide_instantiations): Mark all symbols in
7044         SRA_CANDIDATES for renaming.
7045         (mark_all_v_defs_1): Rename from mark_all_v_defs.
7046         (mark_all_v_defs): New function.  Update all users to call it
7047         with the whole list of scalarized statements, not just the
7048         first one.
7049         * tree-ssa-alias.c (count_ptr_derefs): Make extern.
7050         (compute_flow_insensitive_aliasing): If the tag is
7051         unmodifiable and the variable isn't or vice-versa, don't
7052         make them alias of each other.
7053         (setup_pointers_and_addressables): If the type tag for
7054         VAR is about to change, mark the old one for renaming.
7055         (add_type_alias): New.
7056         * tree-ssa-ccp.c: Document SSA-CCP and STORE-CCP.
7057         (ccp_lattice_t): Rename from latticevalue.
7058         (value): Remove.  Update all users.
7059         (const_val): New local variable.
7060         (do_store_ccp): New local variable.
7061         (dump_lattice_value): Handle UNINITIALIZED.
7062         (debug_lattice_value): New.
7063         (get_default_value): Re-write.
7064         (set_lattice_value): Re-write.
7065         (def_to_varying): Remove.  Update all users.
7066         (likely_value): Return VARYING for statements that make
7067         stores when STORE_CCP is false.
7068         Return VARYING for any statement other than MODIFY_EXPR,
7069         COND_EXPR and SWITCH_EXPR.
7070         (ccp_initialize): Re-write.
7071         (replace_uses_in, replace_vuse_in, substitute_and_fold):
7072         Move to tree-ssa-propagate.c.
7073         (ccp_lattice_meet): Handle memory stores when
7074         DO_STORE_CCP is true.
7075         (ccp_visit_phi_node): Likewise.
7076         (ccp_fold): Likewise.
7077         (evaluate_stmt): Likewise.
7078         (visit_assignment): Likewise.
7079         (ccp_visit_stmt): Likewise.
7080         (execute_ssa_ccp): Add argument 'store_ccp'.  Copy it
7081         into DO_STORE_CCP.
7082         (do_ssa_ccp): New.
7083         (pass_ccp): Use it.
7084         (do_ssa_store_ccp): New.
7085         (gate_store_ccp): New.
7086         (pass_store_ccp): Declare.
7087         * tree-ssa-copy.c: Include tree-ssa-propagate.h.
7088         (may_propagate_copy): Reformat.
7089         Don't abort if ORIG is a virtual and DEST isn't.
7090         If NEW does not have alias information but DEST does,
7091         copy it.
7092         (copy_of, cached_last_copy_of, do_store_copy_prop, enum
7093         copy_prop_kind, which_copy_prop): Declare.
7094         (stmt_may_generate_copy, get_copy_of_val,
7095         get_last_copy_of, set_copy_of_val, dump_copy_of,
7096         copy_prop_visit_assignment, copy_prop_visit_cond_stmt,
7097         copy_prop_visit_stmt, copy_prop_visit_phi_node,
7098         init_copy_prop, fini_copy_prop, execute_copy_prop,
7099         gate_copy_prop, do_copy_prop, gate_store_copy_prop,
7100         store_copy_prop): New.
7101         (pass_copy_prop, pass_store_copy_prop): Declare.
7102         * tree-ssa-dom.c (struct opt_stats_d): Add fields
7103         'num_const_prop' and 'num_copy_prop'.
7104         (cprop_operand): Update them.
7105         (dump_dominator_optimization_stats): Dump them.
7106         (tree_ssa_dominator_optimize): Call update_ssa instead of
7107         rewrite_into_ssa.
7108         (loop_depth_of_name): Declare extern.
7109         (simplify_cond_and_lookup_avail_expr): Guard against NULL
7110         values for LOW or HIGH.
7111         (cprop_into_successor_phis): Only propagate if NEW != ORIG.
7112         (record_equivalences_from_stmt): Call expr_computes_nonzero.
7113         (cprop_operand): Only propagate if VAL != OP.
7114         * tree-ssa-dse.c (dse_optimize_stmt): Mark symbols in removed
7115         statement for renaming.
7116         * tree-ssa-loop-im.c (move_computations): Call update_ssa.
7117         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call
7118         add_type_alias if necessary.
7119         Call mark_new_vars_to_rename.
7120         (tree_ssa_iv_optimize): If new symbols need to be renamed,
7121         mark every statement updated, call update_ssa and
7122         rewrite_into_loop_closed_ssa.
7123         * tree-ssa-loop-manip.c (add_exit_phis): Do not remove DEF_BB
7124         from LIVEIN if VAR is a virtual.
7125         * tree-ssa-loop.c (tree_loop_optimizer_init): Call update_ssa.
7126         * tree-ssa-operands.c (get_expr_operands): Handle ASSERT_EXPR.
7127         (get_call_expr_operands): Reformat statement.
7128         (add_stmt_operand): Don't create V_MAY_DEFs for read-only
7129         symbols.
7130         * tree-ssa-propagate.c (ssa_prop_init): Initialize
7131         SSA_NAME_VALUE for every name.
7132         (first_vdef, stmt_makes_single_load, stmt_makes_single_store,
7133         get_value_loaded_by): New.
7134         (replace_uses_in, replace_vuses_in, replace_phi_args_in,
7135         substitute_and_fold): Move from tree-ssa-ccp.c.
7136         * tree-ssa-propagate.h (struct prop_value_d, prop_value_t,
7137         first_vdef, stmt_makes_single_load, stmt_makes_single_store,
7138         get_value_loaded_by, replace_uses_in, substitute_and_fold):
7139         Declare.
7140         * tree-ssa.c (verify_use): Fix error message.
7141         (propagate_into_addr, replace_immediate_uses, get_eq_name,
7142         check_phi_redundancy, kill_redundant_phi_nodes,
7143         pass_redundant_phi): Remove.  Update all users.
7144         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
7145         add_type_alias, if necessary.
7146         * tree-vectorizer.h (struct _stmt_vect_info): Update
7147         documentation for field 'memtag'.
7148         * tree-vrp.c: New file.
7149         * tree.def (ASSERT_EXPR): Define.
7150         * tree.h (ASSERT_EXPR_VAR): Define.
7151         (ASSERT_EXPR_COND): Define.
7152         (SSA_NAME_VALUE_RANGE): Define.
7153         (struct tree_ssa_name): Add field 'value_range'.
7154         (PHI_REWRITTEN): Remove.
7155         (struct tree_phi_node): Remove field 'rewritten'.
7156         * doc/invoke.texi (-fdump-tree-storeccp, -ftree-copy-prop,
7157         -ftree-store-copy-prop): Document.
7158         * doc/tree-ssa.texi: Remove broken link to McCAT's compiler.
7159         Document usage of update_ssa.
7160
7161 2005-04-08  David Edelsohn  <edelsohn@gnu.org>
7162
7163         PR target/20814
7164         * config/rs6000/predicates.md (altivec_register_operand): Accept
7165         SUBREG.
7166         (and64_operand): Do not limit CONST_INT to mask64_operand.
7167         (and64_2_operand): Do not limit CONST_INT to mask64_1or2_operand.
7168         (and_operand): Do not limit CONST_INT to mask_operand.
7169
7170 2005-04-09  Hans-Peter Nilsson  <hp@axis.com>
7171
7172         PR rtl-optimization/20466
7173         * flow.c (invalidate_mems_from_set): Handle a MEM by checking it
7174         for overlap of the address of each list member.
7175         (mark_set_1): Call invalidate_mems_from_set for MEMs too.
7176
7177 2005-04-08  Mike Stump  <mrs@apple.com>
7178
7179         * config/darwin.c (indirect_data): Fix typo in strncmp logic.
7180
7181         * config/rs6000/rs6000.c (rs6000_emit_prologue): Use 5 nops,
7182         instead of 4.
7183
7184 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
7185
7186         * c-tree.h (C_LANG_TREE_NODE_CHAIN_NEXT): Remove.
7187
7188         * function.c (push_function_context_to): Don't set
7189         contains_functions.
7190         * function.h (function): Remove contains_functions.
7191         (current_function_contains_functions): Remove.
7192
7193         * function.h (function): Remove instrument_entry_exit.
7194         (current_function_instrument_entry_exit): Remove.
7195
7196         * function.h (nonlocal_labels): Remove.
7197
7198         * tree.h (STRIP_MAIN_TYPE_NOPS): Remove.
7199
7200         * genattrtab.c (attr_desc): Remove negative_ok and unsigned_p.
7201         (check_attr_value, write_attr_get, write_expr_attr_cache,
7202         find_attr, make_internal_attr): Don't reference negative_ok or
7203         unsigned_p.
7204         * genattrtab.h (ATTR_NEGATIVE_OK, ATTR_UNSIGNED,
7205         ATTR_FUNC_UNITS, ATTR_BLOCKAGE): Remove.
7206         (ATTR_STATIC): Adjust the value.
7207
7208         * c-common.h (C_ARTIFICIAL_STRING_P): Remove.
7209
7210 2005-04-08  Ulrich Weigand  <uweigand@de.ibm.com>
7211
7212         * config/s390/tpf.h (ASM_SPEC): Define.
7213
7214 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
7215
7216         * tree-flow.h: Remove the prototype for
7217         redirect_immediate_uses.
7218         (TDFA_USE_OPS, TDFA_USE_VOPS): Remove.
7219
7220 2005-04-08  Richard Earnshaw  <richard.earnshaw@arm.com>
7221
7222         * arm.c (arm_const_double_by_parts): New function.
7223         * arm-protos.h (arm_const_double_by_parts): Add prototype.
7224         * arm.md (define_split for 64-bit constants): Add another one.
7225
7226 2005-04-08  Andrew MacLeod  <amacleod@redhat.com>
7227
7228         * tree-ssa-operands.c (correct_use_link): Remove linear scan.
7229
7230 2005-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7231
7232         * system.h: Revert last change.
7233
7234 2005-04-08  Richard Sandiford  <rsandifo@redhat.com>
7235
7236         * config/xtensa/xtensa.h (target_flags, MASK_NO_FUSED_MADD)
7237         (MASK_CONST16, TARGET_NO_FUSED_MADD, TARGET_CONST16)
7238         (TARGET_SWITCHES): Delete.
7239         * config/xtensa/xtensa.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
7240         * config/xtensa/xtensa.md (muladdsf3, mulsubsf3): Check
7241         TARGET_FUSED_MADD instead of !TARGET_NO_FUSED_MADD.
7242         * config/xtensa/xtensa.opt: New file.
7243
7244 2005-04-08  Ben Elliston  <bje@au.ibm.com>
7245
7246         * config/fp-bit.c: Include L_mul_tf in #endif comment.
7247         * config/fp-bit.h: Tidy comments.
7248
7249 2005-04-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7250
7251         * system.h: Poison PARAMS.
7252
7253 2005-04-07  Richard Sandiford  <rsandifo@redhat.com>
7254
7255         * config/vax/vax.h (target_flags, MASK_UNIX_ASM, MASK_VAXC_ALIGNMENT)
7256         (MASK_G_FLOAT, TARGET_UNIX_ASM, TARGET_VAXC_ALIGNMENT, TARGET_G_FLOAT)
7257         (TARGET_SWITCHES): Delete.
7258         * config/vax/vax.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
7259         * config/vax/vax.opt: New file.
7260
7261 2005-04-07  Daniel Berlin  <dberlin@dberlin.org>
7262
7263         * tree-ssa-dse.c (dse_optimize_stmt): Fix incorrect comment.
7264
7265 2005-04-07  Ian Lance Taylor  <ian@airs.com>
7266
7267         * config/iq2000/iq2000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Don't
7268         define.
7269         * config/mips/mips.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
7270         * config/sparc/sparc.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE):
7271         Likewise.
7272
7273 2005-04-07  Kazu Hirata  <kazu@cs.umass.edu>
7274
7275         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Consider
7276         all immediate uses in PHI nodes.
7277
7278 2005-04-07  Richard Earnshaw  <richard.earnshaw@arm.com>
7279
7280         * arm.c (arm_const_double_inline_cost): Handle any constant by
7281         using gen_lowpart and gen_highpart_mode.
7282         (note_invalid_constants): All constants in an RTX with a constraint
7283         that permits memory are now pushed to the constant pool.
7284         (output_move_double): Delete code to handle reg to reg and
7285         constant to reg moves.
7286         (const_double_needs_minipool, output_mov_immediate): Delete.
7287         * arm.h (EXTRA_CONSTRAINT_STR_ARM): All 'D' variants now handle
7288         CONST_INT and CONST_VECTOR.
7289         * arm.md (ANY64): New mode macro.
7290         (arm_movdi): Split reg-reg and const-reg moves.  Simplify constraints.
7291         (movdf_soft_insn): Split reg-reg and const-reg moves.
7292         (split patterns for 64-bit constant and register moves): New.
7293         * cirrus.md (cirrus_arm_movdi): Split reg-reg and const-reg moves.
7294         (cirrus_movdf_hard_insn): Likewise.
7295         * fpa.md (movdf_fpa): Likewise.
7296         * iwmmxt.md (iwmmxt_arm_movdi): Likewise.
7297         (movv8qi_internal, movv4hi_internal, movv2si_internal): Fix
7298         constraints.
7299         (movv2si_internal_2): Likewise.
7300         * vfp.md (arm_movdi_vfp): Split reg-reg and const-reg moves.
7301         (movdf_vfp): Likewise.
7302         * arm-protos.h (output_mov_immediate): Delete prototype.
7303
7304 2005-04-07  Joseph S. Myers  <joseph@codesourcery.com>
7305
7306         PR target/20093
7307         * simplify-rtx.c (simplify_unary_operation_1): Check
7308         SUBREG_PROMOTED_UNSIGNED_P (op) > 0 for zero-extension.
7309
7310 2005-04-06  James E Wilson  <wilson@specifixinc.com>
7311
7312         PR target/20717
7313         * cgraphunit.c (record_call_1, case FDESC_EXPR): Handle same as
7314         ADDR_EXPR.
7315
7316 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
7317
7318         * coverage.h (GCOV_TYPE_NODE): Delete.
7319         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref)
7320         (build_ctr_info_type): Use get_gcov_type () instead of GCOV_TYPE_NODE.
7321         * tree-profile.c (tree_gen_edge_profiler, tree_gen_interval_profiler)
7322         (tree_gen_pow2_profiler, tree_gen_one_value_profiler): Likewise.
7323         * value-prof.c (tree_divmod_fixed_value_transform): Delete.
7324
7325 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
7326
7327         PR other/20792
7328         * Makefile.in (gcc.pot): Remove options.c dependency.
7329         * optc-gen.awk: Don't quote help strings with N_().
7330
7331 2005-04-06  James A. Morrison  <phython@gcc.gnu.org>
7332
7333         * c-common.c (handle_malloc_atttribute): Only set DECL_IS_MALLOC if
7334         the function returns a pointer type.
7335
7336 2005-04-06  Daniel Berlin  <dberlin@dberlin.org>
7337
7338         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): New
7339         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): New
7340         * doc/invoke.texi: Documnet salias-max-implicit-fields.
7341         * tree-ssa-alias.c (struct used_part): Add implicit_uses and
7342         explicit_uses members.
7343         (get_or_create_used_part_for): Initialize new fields.
7344         (fieldoff_compare): New function.
7345         (create_overlap_variables_for): Count number of fields, use
7346         heuristic to determine whether to create subvars for vars with
7347         only implicit uses.
7348         Sort the field list by offset and avoid creating duplicate SFT's.
7349
7350 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
7351
7352         * c.opt (-F): Remove trailing whitespace from help string.
7353         (-finput-charset): Use a tab to separate the switch name and help
7354         string.
7355         * common.opt (-fsched-stalled-insns, -fsched-stalled-insns-dep)
7356         (-ftree-vectorizer-verbose): Likewise.
7357
7358 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
7359
7360         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Look at
7361         a PHI argument where a use occurs instead of all PHI arguments.
7362
7363 2005-04-06  Joseph S. Myers  <joseph@codesourcery.com>
7364
7365         * c-decl.c (finish_decl): Apply pending #pragma weak regardless of
7366         scope.
7367
7368 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
7369
7370         * cse.c, tree-flow-inline.h, tree-flow.h, tree-ssa-operands.c,
7371         tree-ssa-sink.c, tree.h, config/bfin/bfin.c,
7372         config/bfin/bfin.h: Fix comment typos.
7373
7374 2005-04-06  Ranjit Mathew  <rmathew@hotmail.com>
7375
7376         * doc/install.texi: Update the URL for Jacks.
7377         * doc/sourcebuild.texi: Likewise.
7378
7379 2005-04-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
7380
7381         PR target/17245
7382         * config/sparc/sparc.c (legitimate_address_p): Remove 'imm2'.
7383         Revert 2004-10-08 patch.  Reject TFmode LO_SUM in 32-bit mode.
7384
7385 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
7386
7387         * Makefile.in (LIBGCC2_CFLAGS): Revert -pipe change.
7388
7389 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
7390
7391         * config/v850/v850-protos.h (override_options): Delete.
7392         * config/v850/v850.h (target_flags, MASK_GHS, MASK_LONG_CALLS, MASK_EP)
7393         (MASK_PROLOG_FUNCTION, MASK_DEBUG, MASK_V850, MASK_V850E)
7394         (MASK_SMALL_SLD, MASK_BIG_SWITCH, MASK_NO_APP_REGS, MASK_DISABLE_CALLT)
7395         (MASK_STRICT_ALIGN, MASK_US_BIT_SET, MASK_US_MASK_SET, TARGET_GHS)
7396         (TARGET_LONG_CALLS, TARGET_EP, TARGET_PROLOG_FUNCTION, TARGET_V850)
7397         (TARGET_BIG_SWITCH, TARGET_DEBUG, TARGET_V850E, TARGET_US_BIT_SET)
7398         (TARGET_SMALL_SLD, TARGET_DISABLE_CALLT, TARGET_NO_APP_REGS)
7399         (TARGET_STRICT_ALIGN, TARGET_SWITCHES, TARGET_OPTIONS)
7400         (OVERRIDE_OPTIONS): Delete.
7401         (MASK_CPU): Redefine as MASK_V850 | MASK_V850E.
7402         (small_memory_info): Remove the value field.
7403         (CONDITIONAL_REGISTER_USAGE): Check !TARGET_APP_REGS rather than
7404         TARGET_NO_APP_REGS.
7405         * config/v850/v850.c (small_memory): Remove the value field.
7406         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
7407         (override_options): Delete.
7408         (v850_handle_memory_option, v850_handle_option): New functions.
7409         * config/v850/v850.opt: New file.
7410
7411 2005-04-06  Geoffrey Keating  <geoffk@apple.com>
7412
7413         * config.host: Add a section for generic hosts, and a subsection
7414         for Darwin.  Add a case for x86-darwin.  Update ppc-darwin case.
7415         * config/host-darwin.c: New, split out of config/rs6000/host-darwin.c.
7416         * config/host-darwin.h: New.
7417         * config/x-darwin: New.
7418         * config/i386/host-i386-darwin.c: New.
7419         * config/i386/x-darwin: New.
7420         * config/rs6000/host-darwin.c: Include host-darwin.h.
7421         (darwin_rs6000_gt_pch_get_address): Move to config/host-darwin.c.
7422         (darwin_rs6000_gt_pch_use_address): Likewise.
7423         * config/rs6000/x-darwin: Change name of .o built, update
7424         dependencies for changes to rs6000/host-darwin.c.
7425
7426 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
7427
7428         PR target/17824
7429         * config/c4x/c4x.h (ASM_PROG, LD_PROG): Remove.
7430
7431 2005-04-06  Dorit Naishlos  <dorit@il.ibm.com>
7432
7433         * tree-vect-analyze.c (vect_analyze_loop_form): Call
7434         split_loop_exit_edge instead of loop_split_edge_with.
7435
7436 2005-04-06  Paolo Bonzini  <bonzini@gnu.org>
7437
7438         * config/rs6000/altivec.md (UNSPEC_VSLW, UNSPEC_SUBS,
7439         UNSPEC_SET_VSCR): New constants, used throughout.
7440         (*andc3_v4sf): New.
7441         (altivec_vspltisb, altivec_vsplitish, altivec_vsplitisw):
7442         Replace with...
7443         (altivec_vspltis<VI_char>): ... this pattern, using
7444         a QImode const_int_operand for the immediate.
7445         (abs<mode>2, absv4sf2, altivec_abss_<mode>): Rewrite as
7446         define_expands.
7447
7448 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
7449
7450         PR target/17822
7451         * config/avr/t-avr (AR_FOR_TARGET,RANLIB_FOR_TARGET): Remove.
7452
7453 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
7454
7455         * Makefile.in (LIBGCC2_CFLAGS): Compile with -pipe.
7456
7457 2005-04-06  Ben Elliston  <bje@au.ibm.com>
7458
7459         * gcc.c: Correct comment about DEFAULT_SWITCH_TAKES_ARG and
7460         DEFAULT_WORD_SWITCH_TAKES_ARG which incorrectly reported these
7461         macros as living in "this file" and not gcc.h.
7462
7463 2005-04-06  Ben Elliston  <bje@au.ibm.com>
7464
7465         * doc/invoke.texi (Optimize Options): Mention -ftree-lrs, not
7466         -ftree-live_range_split.  Perhaps renamed at some point?
7467
7468 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
7469
7470         PR target/20625
7471         * tree-ssa-loop-ivopts.c (generic_type_for): New function.
7472         (add_candidate_1): Use generic_type_for instead of unsigned_type_for.
7473
7474 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
7475
7476         * tree-flow.h (number_of_iterations_cond): Declaration removed.
7477         * tree-ssa-loop-niter.c (number_of_iterations_cond): Made static.
7478         (number_of_iterations_special): New function.
7479         (number_of_iterations_exit): Use number_of_iterations_special.
7480         Use simplify_using_outer_evolutions only at -O3.
7481         (number_of_iterations_cond, tree_simplify_using_condition,
7482         simplify_using_initial_conditions, loop_niter_by_eval,
7483         compare_trees, can_count_iv_in_wider_type_bound,
7484         simplify_using_outer_evolutions): Use fold_build.
7485
7486 2005-04-05  Thomas Fitzsimmons  <fitzsim@redhat.com>
7487
7488         * doc/install.texi (Configuration): Document --with-java-home.
7489
7490 2005-04-05  Richard Henderson  <rth@redhat.com>
7491
7492         PR target/20342
7493         PR target/20447
7494         * config/i386/i386.c (print_operand): Handle vector zeros.
7495         (ix86_split_to_parts): Handle CONST_VECTOR.
7496         (ix86_hard_regno_mode_ok): Allow MMX modes in general regs.
7497         (ix86_modes_tieable_p): Use ix86_hard_regno_mode_ok to decide
7498         what modes to tie for MMX and SSE registers.
7499         * config/i386/i386.h (MMX_REG_MODE_P): Remove.
7500         * config/i386/i386.md: Extend move 0 -> xor peephole to apply
7501         to vector modes as well.
7502         * config/i386/predicates.md (const0_operand): Handle VOIDmode
7503         properly as an input mode.
7504
7505 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
7506
7507         * tree-ssa-operands.c (verify_abort): Use %p for pointers.
7508
7509 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
7510
7511         * tree-pretty-print.c (dump_generic_node): Use %p for pointer.
7512
7513 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
7514
7515         * config/i386/i386.c (init_cumulative_args): For -m32 -mfpmath=sse
7516         and local functions, set sse_nregs to 8 and float_in_sse.
7517         (function_arg_advance, function_arg): If float_in_sse, pass
7518         SFmode and DFmode arguments in SSE registers.
7519         * config/i386/i386.h (CUMULATIVE_ARGS): Add float_in_sse field.
7520
7521         * config/i386/i386.c (ix86_value_regno): Only optimize local functions
7522         of -funit-at-a-time.
7523
7524 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
7525
7526         * config/i386/i386-protos.h (ix86_function_value): Accept two
7527         arguments, like the target macro.
7528         * config/i386/i386.h (FUNCTION_VALUE): Pass both arguments.
7529         * config/i386/i386.c (ix86_function_value): Accept the second
7530         argument of the target macro.
7531         (ix86_function_ok_for_sibcall): Pass a function pointer to
7532         ix86_function_value.
7533         (ix86_function_value, ix86_libcall_value) [!TARGET_64BIT]: Adjust
7534         call to ix86_value_regno).
7535         (ix86_value_regno): Add support for returning floating point values
7536         in SSE registers.
7537
7538 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
7539
7540         PR tree-optimization/20076
7541         * tree-inline.c (inline_forbidden_p_1): Prevent inlining functions
7542         that call __builtin_return or __builtin_apply_args.
7543
7544 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
7545
7546         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use update_stmt.
7547         Use immediate use iterator.
7548         (stmt_is_bumper_for_loop): Use immediate use iterator.
7549         * predict.c (strip_builtin_expect): Use update_stmt.
7550         * tree-cfg.c (update_modified_stmts): New. Call update_stmt_if_modified
7551         on all elements of a STATEMENT_LIST.
7552         (bsi_insert_before, bsi_insert_after): Call update_modified_stmts.
7553         (bsi_remove): Remove imm_use links and mark the stmt as modified.
7554         (bsi_replace): Mark stmt as modified and the update it.
7555         * tree-complex.c (update_complex_assignment): Call mark_stmt_modified.
7556         (expand_complex_libcal): Call update_stmt.
7557         (expand_complex_comparison): Call mark_stmt_modified.
7558         (expand_complex_operations_1): Call update_stmt_if_modified.
7559         (expand_vector_operations_1): Call mark_stmt_modified.
7560         * tree-dfa.c (compute_immediate_uses, free_df_for_stmt, free_df,
7561         compute_immediate_uses_for_phi, compute_immediate_uses_for_stmt,
7562         add_immediate_use, redirect_immediate_use,
7563         redirect_immediate_uses, dump_immediate_uses, debug_immediate_uses,
7564         dump_immediate_uses_for, debug_immediate_uses_for): Delete.
7565         (mark_new_vars_to_rename): Call update_stmt.
7566         * tree-dump.c (dump_option_value_in): Add "stmtaddr".
7567         * tree-flow-inline.h (modify_stmt): Rename to mark_stmt_modified.
7568         Ignore PHI nodes.
7569         (unmodify_stmt): Delete.
7570         (update_stmt): New.  Force an update of a stmt.
7571         (update_stmt_if_modified): update a stmt if it is out of date.
7572         (get_stmt_operands): Verify stmt is NOT modified.
7573         (stmt_modified_p): Update comment.
7574         (delink_imm_use): Remove a use node from its immuse list.
7575         (link_imm_use_to_list): Link a use node to a specific list.
7576         (link_imm_use): Link a node to the correct list.
7577         (set_ssa_use_from_ptr): Set a use node to a specific value, and insert
7578         it in the correct list, if appropriate.
7579         (link_imm_use_stmt): Link a use node, and set the stmt pointer.
7580         (relink_imm_use): Link a use node in place of another node in a list.
7581         (relink_imm_use_stmt): LInk a node in place of another node, and set
7582         the stmt pointer.
7583         (end_safe_imm_use_traverse): New.  Terminate a safe immuse iterator.
7584         (end_safe_imm_use_p): New.  Check for the end of a safe immuse iterator.
7585         (first_safe_imm_use): New.  Initialize a safe immuse iterator.
7586         (next_safe_imm_use): New.  Proceed to next safe immuse iterator value.
7587         (end_readonly_imm_use_p): New.  Check for end of a fast immuse iterator.
7588         (first_readonly_imm_use): New.  Initialize a fast immuse iterator.
7589         (next_readonly_imm_use): New.  Get the next fast immuse iterator value.
7590         (has_zero_uses): New.  Return true if there are no uses of a var.
7591         (has_single_use): New.  Return true if there is only a single use of a
7592         variable.
7593         (single_imm_use): New.  Return the simgle immediate use.
7594         (num_imm_uses): New.  Return the number of immediate uses.
7595         (get_v_must_def_ops): Use is now a pointer.
7596         (use_operand_p, get_v_may_def_op_ptr, get_vuse_op_ptr,
7597         get_v_must_def_kill_ptr, get_phi_arg_def_ptr): Return the address of
7598         the use node.
7599         (get_immediate_uses, num_immediate_uses, immediate_use): Delete.
7600         (delink_stmt_imm_use): Delink all immuses from a stmt.
7601         (phi_arg_index_from_use): New.  Return a phi arg index for a use.
7602         * tree-flow.h (struct dataflow_d): Delete.
7603         (immediate_use_iterator_d): New.  Immediate use iterator struct.
7604         (FOR_EACH_IMM_USE_FAST): New.  Macro for read only immuse iteration.
7605         (FOR_EACH_IMM_USE_SAFE): New.  Macro for write-safe immuse iteration.
7606         (BREAK_FROM_SAFE_IMM_USE): New.  Macro for earlyu exit from write-safe
7607         iteration.
7608         (struct stmt_ann_d): Remove dataflow_t from struct.
7609         * tree-if-conv.c (tree_if_conversion).  Don't call free_df.
7610         (if_convertible_phi_p): Use FAST immuse iterator.
7611         (if_convertible_loop_p): Don't call compute_immediate_uses.
7612         (replace_phi_with_cond_modify_expr): Call update_stmt.
7613         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites): Call
7614         update_stmt_if_modified.
7615         (rewrite_all_into_ssa): Initialize ssa operands.
7616         * tree-loop-linear.c (linear_transform_loops): Don't call free_df or
7617         compute_immediate_uses.
7618         * tree-optimize.c (execute_todo): Call verify_ssa whenever the
7619         ssa_property is available.
7620         (execute_one_pass):  Change parameters passed to execute_todo.
7621         * tree-outof-ssa.c (rewrite_trees): Don't call modify_stmt.
7622         (remove_ssa_form): Call fini_ssa_operands.
7623         (insert_backedge_copies): Delete call to modify_stmt.
7624         * tree-phinodes.c (make_phi_node): Initialize use nodes.
7625         (release_phi_node): Delink any use nodes before releasing.
7626         (resize_phi_node): Relink any use nodes.
7627         (remove_phi_arg_num): Delink the use node.
7628         (remove_phi_node): Release the ssa_name AFTER releasing the phi node.
7629         (remove_all_phi_nodes_for): Release phi node first.
7630         * tree-pretty-print.c (dump_generic_node): Print stmt address.
7631         * tree-sra.c (mark_all_v_defs): Call update_stmt_if_modified.
7632         (scalarize_use, scalarize_copy): Call update_stmt.
7633         * tree-ssa-alias.c (compute_may_aliases): Update all modified stmts.
7634         (compute_points_to_and_addr_escape): Call mark_stmt_modified.
7635         * tree-ssa-cpp.c (need_imm_uses_for): Delete.
7636         (ccp_initialize): Remove call to compute_immediate_uses.
7637         (substitute_and_fold, execute_fold_all_builtins): Call update_stmt.
7638         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update all modified
7639         stmts.
7640         (simplify_cond_and_lookup_avail_expr): Call mark_stmt_modified.
7641         (simplify_switch_and_lookup_avail_expr): Call mark_stmt_modified.
7642         (eliminate_redundant_computations): Call mark_stmt_modified.
7643         (cprop_operand): Call mark_stmt_modified.
7644         (optimize_stmt): Call update_stmt_if_modified and mark_stmt_modified.
7645         * tree-ssa-dse.c (fix_phi_uses, fix_stmt_v_may_defs): Delete.
7646         (dse_optimize_stmt): Use new immuse interface.
7647         (tree_ssa_dse): Remove calls to compute_immediate_uses and free_df.
7648         * tree-ssa-forwprop.c (need_imm_uses_for): Delete.
7649         (substitute_single_use_vars): Use new immuse interface.
7650         (tree_ssa_forward_propagate_single_use_vars): Remove calls to free_df
7651         and compute_immediate_uses.
7652         * tree-ssa-loop-im.c (single_reachable_address): Use new immuse
7653         interface.
7654         (rewrite_mem_refs): Call update_stmt.
7655         (determine_lsm): Remove call to compute_imm_uses and free_df.
7656         * tree-ssa-loop-ivcanon.c (create_canonical_iv): Call update_stmt.
7657         (try_unroll_loop_completely): Call update_stmt.
7658         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call update_stmt.
7659         (rewrite_use_compare): Call update_stmt.
7660         (compute_phi_arg_on_exit): Insert each stmt before trying to process.
7661         (rewrite_use) : Call update_stmt.
7662         * tree-ssa-loop-manip.c (verify_loop_closed_ssa): Add arg to call.
7663         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Call
7664         update_stmt.
7665         * tree-ssa-operands.c (NULL_USE_OPERAND_P): Remove declaration.
7666         (allocate_use_optype, allocate_vuse_optype): Adjust allocation size.
7667         (free_uses, free_vuses, free_v_may_defs, free_v_must_defs): Delink
7668         use nodes.
7669         (initialize_vuse_operand): New.  Initialize a vuse operand.
7670         (initialize_v_may_def_operand): New.  Initialize a maydef operand.
7671         (initialize_v_must_def_operand): New.  Initialize a mustdef operand.
7672         (finalize_ssa_defs): Use stmt parameter.
7673         (correct_use_link): Ensure a use node is in the correct list, and has
7674         the correct stmt pointer.
7675         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_vuses,
7676         finalize_ssa_v_must_defs): Also initialize use nodes.
7677         (finalize_ssa_stmt_operands): Pass extra stmt operands.
7678         (build_ssa_operands): Seperate parsing from final operand construction.
7679         (parse_ssa_operands): New.  Parse entry point for operand building.
7680         (swap_tree_operands): New.  Swap 2 tree operands.
7681         (update_stmt_operands): Ranamed from get_stmt_operands.  Always builds
7682         operands.
7683         (get_expr_operands): Call swap_tree_operands when needed.
7684         (copy_virtual_operands): Use initialize routines for virtual use ops.
7685         (create_ssa_artficial_load_stmt): Add extra stmt parameter.
7686         (verify_abort): New.  Issue imm_use error.
7687         (verify_imm_links): New Verify imm_use links for a var.
7688         (dump_immediate_uses_for): New.  Dump imm_uses for a var to file.
7689         (dump_immediate_uses): New.  Dump imm_uses for all vars to file.
7690         (debug_immediate_uses): New.  Dump imm_uses for all vars to stderr.
7691         (debug_immediate_uses_for): New.  Dump imm_uses for a var to stderr.
7692         * tree-ssa-operands.h (struct use_operand_ptr): Delete.
7693         (NULL_USE_OPERAND_P) Define.
7694         (use_optype_d, v_def_use_operand_type, vuse_optype_d): Add immediate
7695         use node.
7696         (struct vuse_operand_type): New struct.
7697         (SET_USE): Call set_ssa_use_from_ptr.
7698         (USE_STMT): Define.
7699         (PHI_ARG_INDEX_FROM_USE): Define.
7700         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Set the phi
7701         argument via SET_USE, not PHI_ARG_DEF_TREE.
7702         * tree-ssa-pre.c (eliminate): Call update_stmt.
7703         * tree-ssa-propagate.c (cfg_blocks_get): Use imm_use iterators.  Don't
7704         call free_df.
7705         * tree-ssa-sink.c (all_immediate_uses_same_place): Use imm_use iterator.
7706         (nearest_common_dominator_of_uses): Use imm_use iterator.
7707         (statement_sink_location): Use imm_use iterator and interface.
7708         (execute_sink_code): Don't call compute_immediate_uses or free-df.
7709         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis): Use
7710         PHI_ARG_DEF, not PHI_ARG_DEF_TREE.
7711         * tree-ssa.c (verify_use, verify_phi_args): Verify some imm_use info.
7712         (verify_ssa): Ensure no stmt is marked modify after optimization pass
7713         if new parameter is true.
7714         (init_tree_ssa): Don't initialize operand cache here.
7715         (delete_tree_ssa): Don't destroy operand cache here.
7716         (propagate_into_addr): Pass in a use pointer, return true if anything
7717         was changed.
7718         (replace_immediate_uses): Use imm_use iterator, call update_stmt.
7719         (check_phi_redundancy): Use imm_use iterator.
7720         (kill_redundant_phi_nodes): Don't call compute_immediate_uses or
7721         free_df.
7722         * tree-ssanames.c (make_ssa_name): Initialize imm_use node.
7723         (release_ssa_name): Delink node and all elements in its imm_use list.
7724         * tree-tailcall.c (adjust_return_value): Call update_stmt.
7725         * tree-vect-analyze.c (vect_stmt_relevant_p): Use imm_use iterator.
7726         * tree-vectorizer.c (need_imm_uses_for): Delete.
7727         (vectorize_loops): Dont call compute_immediate_uses or free_df.
7728         * tree.h (struct ssa_imm_use_d): Define.
7729         (SSA_NAME_IMM_USE_NODE): Define.
7730         (struct tree_ssa_name): Add imm_use node.
7731         (PHI_DF): Delete.
7732         (PHI_ARG_IMM_USE_NODE): Define.
7733         (struct phi_arg_d): Add imm_use node.
7734         (struct tree_phi_node): Remove struct dataflow_d element.
7735         (TDF_STMTADDR): Define.
7736
7737 2005-04-05  Dale Johannesen  <dalej@apple.com>
7738
7739         * doc/invoke.texi (Optimization Options):  Remove
7740         duplicate -fcse-follow-jumps.  Add -fweb.
7741         (-ftree-lim):  Fix spelling (-ftree-loop-im, invariants).
7742         (-fivcanon):  Fix spelling (-ftree-loop-ivcanon).
7743
7744 2005-04-05  Per Bothner  <per@bothner.com>
7745
7746         * tree-ssa.c (execute_early_warn_uninitialized): Pass context node
7747         to talk_tree as 'data' parameter, rather than EXPR_LOCUS.
7748         (warn_uninit): Get EXPR_LOCUS from context now instead.
7749         This fixes a USE_MAPPED_LOCATION testsuite failure.
7750
7751         * tree-ssa.c (warn_uninitialized_var): Remove useless local.
7752
7753 2005-04-05  Per Bothner  <per@bothner.com>
7754
7755         * c-decl.c (finish_function): If USE_MAPPED_LOCATION set the location
7756         of the artification 'return 0' in main() to BUILTINS_LOCATION.
7757         * tree-cfg.c (remove_bb): Check that location isn't BUILTINS_LOCATION
7758         before warning.
7759
7760 2004-04-05  Devang Patel  <dpatel@apple.com>
7761
7762         * config/rs600/altivec.md (altivec_vsr<VI_char>): Rename to ..
7763         (lhsr<mode>3): ... new name.
7764         (altivec_vsra<VI_char>): Rename to ..
7765         (ashr<mode>3): ... new name.
7766         * config/rs6000/rs6000.c (builtin_description): Rename shift
7767         operations.
7768
7769 2004-04-05  Paolo Bonzini  <bonzini@gnu.org>
7770
7771         * combine.c (RTL_HOOKS_GEN_LOWPART_NO_EMIT): Use
7772         gen_lowpart_for_combine.
7773         * cse.c (gen_lowpart_if_possible): Move...
7774         * rtlhooks.c (gen_lowpart_if_possible): ... here.  Also try
7775         gen_lowpart_SUBREG.
7776         (gen_lowpart_no_emit_general): Use it.
7777
7778 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
7779
7780         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Undefine before
7781         overriding.
7782
7783 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
7784
7785         * system.h: Fix typo.
7786
7787 2005-04-05  Bernd Schmidt  <bernd.schmidt@analog.com>
7788
7789         * config/bfin/bfin-modes.def: New file.
7790         * config/bfin/bfin-protos.h: New file.
7791         * config/bfin/bfin.c: New file.
7792         * config/bfin/bfin.h: New file.
7793         * config/bfin/bfin.md: New file.
7794         * config/bfin/bfin.opt: New file.
7795         * config/bfin/crti.s: New file.
7796         * config/bfin/crtn.s: New file.
7797         * config/bfin/elf.h: New file.
7798         * config/bfin/lib1funcs.asm: New file.
7799         * config/bfin/predicates.md: New file.
7800         * config/bfin/t-bfin: New file.
7801         * config/bfin/t-bfin-elf: New file.
7802         * doc/extend.texi (exception_handler, kspisusp, nesting, nmi_handler):
7803         Document new attributes.
7804         (interrupt, interrupt_handler, saveall): Update documentation for
7805         these attributes.
7806         * doc/install.texi (Specific): Add entry for the Blackfin.
7807         * doc/invoke.texi (Blackfin Options): New section.
7808         * doc/md.texi (Blackfin family): New section to document constraints.
7809         * config.gcc: Add bfin*-* and bfin*-elf configurations.
7810
7811 2005-04-05  Olivier Hainque  <hainque@adacore.com>
7812
7813         * config/mips/iris6.h (DWARF_FRAME_RETURN_COLUMN): Redefine to
7814         match what the system unwinder expects.
7815         * config/mips/mips.c (mips_frame_set): If we're saving the return
7816         address register and the dwarf return address column number differs
7817         from the hard register number, adjust the note reg to refer to the
7818         former.
7819
7820 2004-04-05  Richard Sandiford  <rsandifo@redhat.com>
7821
7822         * config/mn10300/mn10300-protos.h (mn10300_override_options): Declare.
7823         * config/mn10300/mn10300.h (target_flags, TARGET_MULT_BUG)
7824         (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
7825         (processor_type): New enum.
7826         (mn10300_processor): New variable.
7827         (TARGET_AM33, TARGET_AM33_2): Redefine in terms of mn10300_processor.
7828         (PROCESSOR_DEFAULT, OVERRIDE_OPTIONS): New macros.
7829         * config/mn10300/linux.h (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
7830         (PROCESSOR_DEFAULT): New macro.
7831         * config/mn10300/mn10300.c (mn10300_processor): New variable.
7832         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
7833         (mn10300_handle_option, mn10300_override_options): New functions.
7834         * config/mn10300/mn10300.opt: New file.
7835
7836 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
7837             Sebastian Pop <sebastian.pop@cri.ensmp.fr>
7838
7839         PR tree-optimization/19903
7840         * tree-chrec.c (chrec_convert): Return chrec_dont_know for constants
7841         that don't fit in their type after conversion.
7842
7843 2005-04-05  Uros Bizjak <uros@kss-loka.si>
7844
7845         PR target/20421
7846         * config/i386/i386.md (frndintxf2_floor, frndintxf2_ceil)
7847         (frndintxf2_trunc, frndintxf2_mask_pm): Add FLAGS_REG clobber.
7848         Allocate local stack slots here.  Set ix86_optimize_mode_switching.
7849         flag here. Implement using define_insn_and_split.
7850         (frndintxf2_floor_i387, frndintxf2_ceil_i387, frndintxf2_trunc_i387)
7851         (frndintxf2_mask_pm_i387): New insn patterns.
7852         (floorsf2, floordf2, floorxf2): Remove local stack slot allocations.
7853         Do not set ix86_optimize_mode_switching flag.
7854         (ceilsf2, ceildf2, ceilxf2): Same.
7855         (btruncsf2, btruncdf2, btruncxf2): Same.
7856         (nearbyintsf2, nearbyintdf2, nearbyintxf2): Same.
7857
7858 2005-04-05  Ian Lance Taylor  <ian@airs.com>
7859
7860         PR debug/9963
7861         * config/i386/cygming.h (ASM_OUTPUT_EXTERNAL): Pass DECL to
7862         i386_pe_record_external_function.
7863         (i386_pe_record_external_function): Update declaration.
7864         * config/i386/winnt.c (struct extern_list): Add decl field.
7865         (i386_pe_record_external_function): Add decl parameter.
7866         (i386_pe_file_end): Check TREE_ASM_WRITTEN on decl, not
7867         identifier.
7868         * config/i386/i386-protos.h (i386_pe_record_external_function):
7869         Update declaration.
7870
7871 2005-04-05  Kazu Hirata  <kazu@cs.umass.edu>
7872
7873         * config/m68k/m68k-protos.h: Add a prototype for
7874         valid_dbcc_comparison_p_2.
7875         * config/m68k/m68k.c (not_sp_operand, symbolic_operand,
7876         extend_operator, const_uint32_operand, const_sint32_operand,
7877         general_src_operand, nonimmediate_src_operand,
7878         memory_src_operand, post_inc_operand, pre_dec_operand,
7879         pcrel_address): Move to predicates to predicates.md.
7880         * config/m68k/m68k.h (PREDICATE_CODES): Remove.
7881         * config/m68k/m68k.md: Include predicates.md.
7882         * config/m68k/predicates.md: New.
7883
7884 2005-04-04  Roger Sayle  <roger@eyesopen.com>
7885
7886         * config/i386/i386.md (*truncdfsf2_i387_1): New pattern.
7887
7888         * fold-const.c (maybe_lvalue_p): Delete orphaned comment.
7889
7890 2005-04-04  Ian Lance Taylor  <ian@airs.com>
7891
7892         * c-typeck.c (struct c_switch): Rename switch_stmt field to
7893         switch_expr.
7894         (c_start_case): Build SWITCH_EXPR, not SWITCH_STMT.
7895         (do_case): Use SWITCH_COND rather than SWITCH_STMT_COND.
7896         (c_finish_case): Use SWITCH_BODY rather than SWITCH_STMT_BODY.
7897         Call c_do_switch_expr_warnings rather than c_do_switch_warnings.
7898         * c-common.c (c_do_switch_warnings_1): New static function broken
7899         out of c_do_switch_warnings.
7900         (c_do_switch_warnings): Call c_do_switch_warnings_1.
7901         (c_do_switch_expr_warnings): New function.
7902         * c-common.h (c_do_switch_expr_warnings): Declare.
7903
7904 2005-04-04  David Edelsohn  <edelsohn@gnu.org>
7905             Daniel Jacobowitz  <dan@codesourcery.com>
7906
7907         * tree-eh.c (tree_could_trap_p): Allow non-constant floating point
7908         trapping divide.
7909         * rtlanal.c (may_trap_p): Same.
7910
7911 2005-04-04  Dale Johannesen  <dalej@apple.com>
7912
7913         * ChangeLog:  remove reference to ChangeLog.12.
7914
7915 2005-04-05  Hans-Peter Nilsson  <hp@axis.com>
7916
7917         CRIS epilogue as RTL.
7918         * config/cris/cris.md: Change all 0 in unspec 0 to
7919         CRIS_UNSPEC_PLT.
7920         (CRIS_UNSPEC_PLT, CRIS_UNSPEC_FRAME_DEALLOC): New constants.
7921         ("*cris_load_multiple", "cris_frame_deallocated_barrier"): New
7922         patterns.
7923         ("return"): Change to define_expand.  Call cris_expand_return for
7924         actual expansion.
7925         ("*return_expanded"): New pattern.
7926         ("epilogue"): New define_expand.
7927         * config/cris/cris.h (PREDICATE_CODES): Add
7928         cris_load_multiple_op.
7929         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Correct test for unspec
7930         type.
7931         (enum cris_retinsn_type): New.
7932         (struct machine_function): New member return_type.
7933         (TARGET_ASM_FUNCTION_EPILOGUE): Don't override.
7934         (cris_target_asm_function_epilogue): Remove, moving RTLified
7935         contents to...
7936         (cris_expand_epilogue): New function.
7937         (cris_reg_saved_in_regsave_area, cris_movem_load_rest_p,
7938         (cris_gen_movem_load, cris_load_multiple_op)
7939         (cris_return_address_on_stack_for_return, cris_expand_return): New
7940         functions.
7941         (cris_target_asm_function_prologue)
7942         (cris_initial_frame_pointer_offset): Call
7943         cris_reg_saved_in_regsave_area instead of complicated expression.
7944         Call cris_return_address_on_stack instead of an expression.
7945         (cris_print_operand) <case 'o', case 'O'>: New cases.
7946         (cris_return_address_on_stack): Change return-type to bool.
7947         (cris_simple_epilogue): Ditto.  Return false if registers are
7948         saved.
7949         * config/cris/cris-protos.h (cris_simple_epilogue)
7950         (cris_return_address_on_stack): Adjust prototype return type.
7951         (cris_gen_movem_load, cris_expand_epilogue, cris_expand_return)
7952         (cris_return_address_on_stack_for_return): New prototypes.
7953
7954 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
7955
7956         * config/frv/frv.h (PREDICATE_CODES): Add CONST to
7957         gpr_or_int12_operand.
7958
7959         * config/frv/frv-protos.h: Add a prototype to
7960         frv_legitimate_memory_operand and frv_const_unspec_p.
7961         (frv_unspec): Move from frv.c.
7962         * config/frv/frv.c (frv_unspec): Move to frv-protos.h.
7963         (frv_const_unspec_p, frv_legitimate_memory_operand_): Export.
7964         (ldd_address_operand, fdpic_fptr_operand, frv_load_operand,
7965         gpr_or_fpr_operand, gpr_or_int12_operand,
7966         gpr_fpr_or_int12_operand, fpr_or_int6_operand,
7967         gpr_or_int10_operand, gpr_or_int_operand, int12_operand,
7968         int6_operand, int5_operand, uint5_operand, uint4_operand,
7969         uint1_operand, int_2word_operand, uint16_operand,
7970         upper_int16_operand, integer_register_operand,
7971         gpr_no_subreg_operand, fpr_operand, even_reg_operand,
7972         odd_reg_operand, even_gpr_operand, odd_gpr_operand,
7973         quad_fpr_operand, even_fpr_operand, odd_fpr_operand,
7974         dbl_memory_one_insn_operand, dbl_memory_two_insn_operand,
7975         move_destination_operand, movcc_fp_destination_operand,
7976         frv_function_symbol_referenced_p, move_source_operand,
7977         condexec_dest_operand, condexec_source_operand,
7978         reg_or_0_operand, lr_operand, fdpic_operand, got12_operand,
7979         const_unspec_operand, gpr_or_memory_operand,
7980         gpr_or_memory_operand_with_scratch, fpr_or_memory_operand,
7981         icc_operand, fcc_operand, cc_operand, icr_operand,
7982         fcr_operand, cr_operand, call_operand, sibcall_operand,
7983         symbolic_operand, relational_operator,
7984         integer_relational_operator, float_relational_operator,
7985         ccr_eqne_operator, minmax_operator,
7986         condexec_si_binary_operator, condexec_si_media_operator,
7987         condexec_si_divide_operator, condexec_si_unary_operator,
7988         condexec_sf_conv_operator, condexec_sf_add_operator,
7989         condexec_memory_operand, intop_compare_operator, acc_operand,
7990         even_acc_operand, quad_acc_operand, accg_operand: Move to
7991         predicates.md.
7992         * config/frv/frv.h (PREDICATE_CODES): Remove.
7993         * config/frv/frv.md: Include predicates.md.
7994         * config/frv/predicates.md: New.
7995
7996 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
7997
7998         PR target/19537
7999         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on langhooks.h.
8000         * tree-ssa-loop-ivopts.c: Include langhooks.h.
8001         (add_standard_iv_candidates_for_size): New function, extracting code
8002         from add_standard_iv_candidates and parameterizing it by type size.
8003         (add_standard_iv_candidates): Use add_standard_iv_candidates_for_size.
8004
8005 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
8006
8007         * system.h (GCOV_SIZE_TYPE): Unposion.
8008         * gcov-io.h (GCOV_TYPE_NODE): Delete, replacing with...
8009         (GCOV_TYPE_SIZE): ...this new macro.
8010         * coverage.h (get_gcov_type, GCOV_TYPE_NODE): Declare.
8011         * coverage.c (get_gcov_type, get_gcov_unsigned_t): New functions.
8012         (rtl_coverage_counter_ref): Use GCOV_TYPE_SIZE.
8013         (build_fn_info_type, build_fn_info_value, build_ctr_info_type)
8014         (build_ctr_info_value, build_gcov_info): Use get_gcov_unsigned_t
8015         instead of unsigned_intSI_type_node.
8016         * rtl-profile.c (rtl_gen_interval_profiler, rtl_gen_pow2_profiler)
8017         (rtl_gen_one_value_profiler_no_edge_manipulation)
8018         (rtl_gen_const_delta_profiler): Use GCOV_TYPE_SIZE.
8019         * value-prof.c: Include coverage.h.
8020
8021 2005-04-02  Daniel Berlin  <dberlin@dberlin.org>
8022             Diego Novillo <dnovillo@redhat.com>
8023
8024         Fix PR tree-optimization/20703
8025         Fix PR tree-optimization/20725
8026
8027         * tree-ssa-pre.c (phi_translate): Handle tcc_comparison.
8028         (create_expression_by_pieces): Ditto.
8029         (valid_in_set): Ditto. Also handle tcc_declaration.
8030         (find_or_generate_expression): Handle comparison class.
8031         (insert_into_preds_of_block): Ditto.
8032         (insert_aux): Ditto.
8033         (create_value_expr_from): Handle comparison class, recursively
8034         handle reference nodes.
8035         (compute_avail): Handle comparison classes, rewrite a little cleaner.
8036         (execute_pre): Fix spacing.
8037         (do_fre): Renamed to execute_fre.
8038
8039 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
8040
8041         * doc/invoke.texi (SPARC options): Document that
8042         -mlittle-endian is not supported on Linux either.
8043
8044 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
8045
8046         PR target/4198
8047         PR target/12027
8048         * config.gcc (Obsolete configurations): Remove
8049         sparclite-*-coff*, sparclite-*-elf* and sparc86x-*-elf*.
8050         (sparclite-*-coff*): Delete.
8051         (sparclite-*-elf*): Likewise.
8052         (sparc86x-*-elf*): Likewise.
8053         (target_cpu_default) <sparc*-*-*>: Remove sparc86x.
8054         * config/sparc/lite.h: Delete.
8055         * config/sparc/litecoff.h: Likewise.
8056         * config/sparc/liteelf.h: Likewise.
8057         * config/sparc/sp86x-elf.h: Likewise.
8058         * config/sparc/t-sparclite: Likewise.
8059         * config/sparc/t-sp86x: Likewise.
8060
8061 2005-04-04  Adrian Straetling  <straetling@de.ibm.com>
8062
8063         * config/s390/s390-protos.h: (s390_comparison,
8064         s390_alc_comparison, s390_slb_comparison, const0_operand,
8065         consttable_operand, larl_operand, s_operand,
8066         shift_count_operand, bras_sym_operand, load_multiple_operation,
8067         store_multiple_operation, s390_plus_operand): Remove prototypes.
8068         (s390_legitimate_address_without_index_p): New prototype.
8069         * config/s390/s390.c: (SYMBOL_FLAG_ALIGN1, DISP_IN_RANGE): Move
8070         to s390.h.
8071         (s390_comparison, s390_alc_comparison, s390_slb_comparison,
8072         const0_operand, consttable_operand, larl_operand, s_operand,
8073         shift_count_operand, bras_sym_operand, load_multiple_operation,
8074         store_multiple_operation, s390_plus_operand): Move to
8075         predicates.md.
8076         (check_mode): Remove.
8077         (s390_branch_condition_mask): Remove 'static'. Move prototype to
8078         s390-protos.h.
8079         (s390_legitimate_address_without_index_p): New.
8080         * config/s390/s390.h (PREDICATE_CODES): Remove.
8081         * config/s390/s390.md: Include predicates.md.
8082         * config/s390/predicates.md: New.
8083
8084 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
8085
8086         PR target/20446
8087         * config/sparc/sparc.h (NEED_INDICATE_EXEC_STACK): Define to 0.
8088         * config/sparc/linux.h (TARGET_ASM_FILE_END): Delete.
8089         (NEED_INDICATE_EXEC_STACK): Define to 1.
8090         * config/sparc/linux64.h (TARGET_ASM_FILE_END): Delete.
8091         (NEED_INDICATE_EXEC_STACK): Define to 1.
8092         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Set to sparc_file_end.
8093         (add_pc_to_pic_symbol): Rename into pic_helper_symbol.
8094         (add_pc_to_pic_symbol_name): Rename into pic_helper_symbol_name.
8095         (pic_helper_emitted_p): New global.
8096         (emit_pic_helper): New function extracted from...
8097         (load_pic_register): ...here.  Add 'delay_pic_helper' parameter.
8098         Do not call emit_pic_helper if delay_pic_helper is true.
8099         (sparc_expand_prologue): Pass 'false' to load_pic_register.
8100         (sparc_output_mi_thunk): Pass 'true' to load_pic_register.
8101         (sparc_file_end): New function.
8102
8103 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
8104
8105         * config/mcore/mcore-protos.h: Remove the prototypes for
8106         mcore_arith_reg_operand, mcore_general_movsrc_operand,
8107         mcore_general_movdst_operand, mcore_reload_operand,
8108         mcore_arith_J_operand, mcore_arith_K_operand,
8109         mcore_arith_K_operand_not_0, mcore_arith_M_operand,
8110         mcore_arith_K_S_operand, mcore_arith_imm_operand,
8111         mcore_arith_any_imm_operand, mcore_arith_O_operand,
8112         mcore_literal_K_operand, mcore_addsub_operand,
8113         mcore_compare_operand, mcore_load_multiple_operation,
8114         mcore_store_multiple_operation, mcore_call_address_operand.
8115         Add a prototype for const_ok_for_mcore.
8116         * config/mcore/mcore.c (mcore_call_address_operand,
8117         mcore_general_movsrc_operand, mcore_general_movdst_operand,
8118         mcore_arith_reg_operand, mcore_reload_operand,
8119         mcore_arith_J_operand, mcore_arith_K_operand,
8120         mcore_arith_K_operand_not_0, mcore_arith_K_S_operand,
8121         mcore_arith_M_operand, mcore_arith_imm_operand,
8122         mcore_arith_any_imm_operand, mcore_arith_O_operand,
8123         mcore_literal_K_operand, mcore_addsub_operand,
8124         mcore_compare_operand, mcore_load_multiple_operation,
8125         mcore_store_multiple_operation): Move to predicates.md.
8126         (const_ok_for_mcore): Export.
8127         * config/mcore/mcore.h (PREDICATE_CODES): Remove.
8128         * config/mcore/mcore.md: Include predicates.md.
8129         * config/mcore/predicates.md: New.
8130
8131         * config/mcore/predicates.md: Fix a comment typo.
8132
8133 2005-04-04  Andreas Krebbel  <krebbel1@de.ibm.com>
8134             Adrian Straetling  <straetling@de.ibm.com>
8135
8136         * config/s390/2064.md ("z_mul", "z_inf"): New insn reservations.
8137         * config/s390/2084.md ("x_mul_hi", "x_mul_sidi", "x_div"): Likewise.
8138         * config/s390/s390.md ("imulhi", "imulsi", "imuldi"): Added to "type"
8139         attribute.
8140         ("imul"): Removed from "type" attribute.
8141         ("*muldi3_sign", "muldi3"): Changed type to imuldi.
8142         ("mulsi3/1", "mulsi3/3", "mulsi/4", "mulsidi3", "umulsidi3"):
8143         Changed type to imulsi.
8144         ("*mulsi3_sign", "mulsi3/2"): Changed type to imulhi.
8145
8146 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
8147
8148         * config/mcore/mcore.h (target_flags, HARDLIT_BIT, ALIGN8_BIT, DIV_BIT)
8149         (RELAX_IMM_BIT, W_FIELD_BIT, OVERALIGN_FUNC_BIT, CGDATA_BIT)
8150         (SLOW_BYTES_BIT, LITTLE_END_BIT, M340_BIT, TARGET_HARDLIT)
8151         (TARGET_DIV, TARGET_RELAX_IMM, TARGET_W_FIELD, TARGET_OVERALIGN_FUNC)
8152         (TARGET_CG_DATA, TARGET_SLOW_BYTES, TARGET_LITTLE_END, TARGET_M340)
8153         (TARGET_SWITCHES, mcore_stack_increment_string)
8154         (TARGET_OPTIONS): Delete.
8155         (TARGET_DEFAULT, OPTIMIZATION_OPTIONS): Use MASK_* constants rather
8156         than *_BIT constants.
8157         (TARGET_8ALIGN): #undef old definition before redefining to 1.
8158         * config/mcore/mcore.c (mcore_stack_increment_string): Delete.
8159         (TARGET_DEFAULT_TARGET_FLAGS): Override default to TARGET_DEFAULT.
8160         (mcore_override_options): Delete mcore_stack_increment code.
8161         Change use of M340_BIT to MASK_M340.
8162         * config/mcore/mcore.opt: New file.
8163
8164 2005-04-04  Ian Lance Taylor  <ian@airs.com>
8165
8166         * config/arm/arm.c (replace_symbols_in_block): Remove static
8167         function.
8168
8169 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
8170
8171         * config/fr30/fr30-protos.h: Remove the prototypes for
8172         stack_add_operand, add_immediate_operand,
8173         high_register_operand, low_register_operand, call_operand,
8174         di_operand, and nonimmediate_di_operand.
8175         * config/fr30/fr30.c (stack_add_operand,
8176         add_immediate_operand, high_register_operand,
8177         low_register_operand, call_operand, di_operand,
8178         nonimmediate_di_operand): Move to predicates.md.
8179         * config/fr30/fr30.h (PREDICATE_CODES): Remove.
8180         * config/fr30/fr30.md: Include predicates.md.
8181         * config/fr30/predicates.md: New.
8182
8183         * config/mcore/mcore.h (PREDICATE_CODES): Add SYMBOL_REF and
8184         LABEL_REF to mcore_general_movsrc_operand.  Add SYMBOL_REF to
8185         mcore_call_address_operand.
8186
8187         * config/sh/sh.h (PREDICATE_CODES): Add CONST to
8188         general_movsrc_operand.
8189
8190 2005-04-04  Alan Modra  <amodra@bigpond.net.au>
8191
8192         * passes.c (rest_of_handle_final): NULL unlikely_text_section_name
8193         after freeing.
8194
8195 2005-04-04  Richard Earnshaw  <richard.earnshaw@arm.com>
8196
8197         PR target/14812
8198         * arm.c (arm_select_cc_mode): Return CC_Zmode when comparing against
8199         a negated value.
8200
8201 2005-04-04  Richard Henderson  <rth@redhat.com>
8202             Jakub Jelinek  <jakub@redhat.com>
8203
8204         PR rtl-optimization/16104
8205         * fold-const.c (fold_unary): Fix folding of vector conversions.
8206
8207 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
8208
8209         * config.gcc (xstormy16-*-elf): Set extra_options.
8210         * config/stormy16/stormy16.h (target_flags, TARGET_SWITCHES): Delete.
8211         * config/stormy16/stormy16.opt: New file.
8212
8213 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
8214
8215         * config/pdp11/pdp11.h (target_flags, TARGET_SWITCHES, TARGET_DEFAULT)
8216         (TARGET_FPU, TARGET_SOFT_FLOAT, TARGET_AC0, TARGET_NO_AC0, TARGET_45)
8217         (TARGET_BCOPY_BUILTIN, TARGET_INT16, TARGET_INT32, TARGET_FLOAT32)
8218         (TARGET_FLOAT64, TARGET_ABSHI_BUILTIN, TARGET_BRANCH_EXPENSIVE)
8219         (TARGET_BRANCH_CHEAP, TARGET_SPLIT, TARGET_NOSPLIT)
8220         (TARGET_UNIX_ASM): Delete.
8221         (TARGET_40_PLUS): Redefine in terms of TARGET_40 and TARGET_45.
8222         * config/pdp11/2bsd.h (TARGET_UNIX_ASM_DEFAULT): Use MASK_UNIX_ASM.
8223         * config/pdp11/pdp11.c (pdp11_handle_option): New function.
8224         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
8225         * config/pdp11/pdp11.opt: New file.
8226
8227 2005-04-03  Roger Sayle  <roger@eyesopen.com>
8228             Alexandre Oliva  <aoliva@redhat.com>
8229
8230         PR c++/19199
8231         * fold-const.c (non_lvalue): Split tests into...
8232         (maybe_lvalue_p): New function.
8233         (fold_cond_expr_with_comparison): Preserve lvalue-ness for the
8234         C++ front-end prior to lowering into gimple form.
8235
8236 2005-04-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8237
8238         * builtins.def (BUILT_IN_STPNCPY, BUILT_IN_STRCASECMP,
8239         BUILT_IN_STRNCASECMP): New.
8240         * doc/extend.texi: Document stpncpy, strcasecmp, strncasecmp
8241         and strndup.
8242
8243 2005-04-03  Richard Earnshaw  <richard.earnshaw@arm.com>
8244
8245         PR target/14812
8246         * arm.md (addsi3_compare0_for_combiner): Delete.
8247         (addsi3_compare0_scratch_for_combiner): Delete.
8248         (cmpsi_neg_shiftsi): Delete.
8249         (compare_negsi_si): New pattern.
8250         (cmpsi_negshiftsi_si): New pattern.
8251         (negated_cbranchsi4): Restrict to equality_operator.
8252
8253         * arm.md (movhi_insn_arch4): delete trailing white space from assembler
8254         template.
8255
8256 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
8257
8258         * cfghooks.c, cfgrtl.c, modulo-sched.c, config/i386/winnt.c:
8259         Fix comment typos.
8260
8261         * doc/install.texi: Fix a typo.
8262
8263 2005-04-03  Steven Bosscher  <stevenb@suse.de>
8264
8265         PR middle-end/20648
8266         * bb-reorder.c (duplicate_computed_gotos): Do not unfactor
8267         a computed goto if the edge to the computed goto block has
8268         incoming abnormal edges.  Clarify how the function works.
8269
8270 2005-04-03  Nathan Sidwell  <nathan@codesourcery.com>
8271
8272         * params.c (set_param_value): Use gcc_assert & gcc_unreachable.
8273         * passes.c (open_dump_file, rest_of_handle_final): Likewise.
8274         * postreload-gcse.c (expr_equiv_p, oprs_unchanged_p,
8275         hash_scan_set, reg_set_between_after_reload_p,
8276         reg_used_between_after_reload_p, get_avail_load_store_reg,
8277         eliminate_partially_redundant_load): Likewise.
8278         * postreload.c (reload_cse_simplify_set,
8279         reload_combine_note_use): Likewise.
8280         * predict.c (predict_insn, expected_value_to_br_prob,
8281         propagate_freq, expensive_function_p): Likewise.
8282         * print-rtl.c (print_rtx): Likewise.
8283         * profile.c (instrument_edges, instrument_values,
8284         compute_branch_probabilities, branch_prob, union_groups,
8285         tree_register_profile_hooks, rtl_register_profile_hooks): Likewise.
8286         * protoize.c (in_system_include_dir, file_could_be_converted,
8287         file_normally_convertible, gen_aux_info_file, seek_to_line,
8288         do_cleaning): Likewise.
8289         * tree-ssa-alias.c (collect_points_to_info_r): Likewise.
8290         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
8291         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
8292
8293 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
8294
8295         * cfg.c (clear_bb_flags): Don't clear BB_DISABLE_SCHEDULE.
8296         * modulo-sched.c (undo_replace_buff_elem): New structure.
8297         (kernel_number_of_cycles, ps_unschedule_node,
8298         undo_generate_reg_moves,free_undo_replace_buff,
8299         undo_permute_partial_schedule,  loop_single_full_bb_p,
8300         SIMPLE_SMS_LOOP_P, loop_canon_p, canon_loop,
8301         build_loops_structure, get_sched_window): New.
8302         (generate_reg_moves): Return undo_replace_buff_elem and other
8303         fixes.
8304         (generate_prolog_epilog): Remove old loop versioning.
8305         (sms_schedule): Use loop information and loop_version.
8306         (sms_schedule_by_order): Split part of it to get_sched_window.
8307         * passes.c (rest_of_handle_sms): call cfg_layout_initialize
8308         cfg_layout_finalize and free_dominance_info before/after SMS.
8309
8310 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
8311
8312         * cfghooks.c (lv_flush_pending_stmts,
8313         cfg_hook_duplicate_loop_to_header_edge, extract_cond_bb_edges,
8314         lv_adjust_loop_header_phi, lv_add_condition_to_bb): New.
8315         * cfghooks.h (cfg_hook_duplicate_loop_to_header_edge,
8316         lv_add_condition_to_bb,
8317         lv_adjust_loop_header_phi, extract_cond_bb_edges,
8318         flush_pending_stmts): New in cfg_hooks structure.
8319         (cfg_hook_duplicate_loop_to_header_edge, lv_flush_pending_stmts,
8320         extract_cond_bb_edges, lv_adjust_loop_header_phi,
8321         lv_add_condition_to_bb): New declarations.
8322         * cfgloop.h (duplicate_loop_to_header_edge): Change return type to
8323         bool.
8324         (loop_version): Declare.
8325         * cfgloopmanip.c (cfghooks.h): Include.
8326         (duplicate_loop_to_header_edge): Change return type to bool.
8327         (loop_version, lv_adjust_loop_entry_edge): Move here.
8328         * cfgrtl.c (cfgloop.h): Include.
8329         (rtl_verify_flow_info_1): Fix.
8330         (rtl_lv_add_condition_to_bb, rtl_extract_cond_bb_edges): New.
8331         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add hooks to
8332         initialization.
8333         * tree-cfg.c (tree_lv_adjust_loop_header_phi,
8334         tree_lv_add_condition_to_bb): New.
8335         (tree_cfg_hooks): Add new hooks to initialization.
8336         * tree-ssa-loop-manip.c (lv_adjust_loop_header_phi,
8337         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Remove.
8338
8339 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
8340
8341         * config/stormy16/stormy16.h (PREDICATE_CODES): Add SUBREG to
8342         xstormy16_below100_or_register,
8343         xstormy16_splittable_below100_or_register, and
8344         nonimmediate_nonstack_operand.
8345
8346         * config/stormy16/stormy16-protos.h: Remove the prototypes for
8347         xstormy16_ineqsi_operator, equality_operator,
8348         inequality_operator, shift_operator,
8349         xstormy16_below100_operand, xstormy16_below100_or_register,
8350         xstormy16_splittable_below100_or_register,
8351         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand.
8352         * config/stormy16/stormy16.c (xstormy16_ineqsi_operator,
8353         equality_operator, inequality_operator,
8354         xstormy16_below100_operand, xstormy16_below100_or_register,
8355         xstormy16_splittable_below100_or_register,
8356         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand,
8357         nonimmediate_nonstack_operand, shift_operator): Move to
8358         predicates.md.
8359         * config/stormy16/stormy16.h (PREDICATE_CODES): Remove.
8360         * config/stormy16/stormy16.md: Include predicates.md.
8361         * config/stormy16/predicates.md: New.
8362
8363 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
8364
8365         * config/iq2000/iq2000.c (uns_arith_operand, arith_operand,
8366         small_int, large_int, reg_or_0_operand, simple_memory_operand,
8367         equality_op, cmp_op, pc_or_label_operand, call_insn_operand,
8368         move_operand, power_of_2_operand): Move to predicates.md.
8369         * config/iq2000/iq2000.h (SPECIAL_MODE_PREDICATES,
8370         PREDICATE_CODE): Remove.
8371         * config/iq2000/iq2000.md: Include predicates.md.
8372         * config/iq2000/predicates.md: New.
8373
8374 2005-04-02  Richard Sandiford  <rsandifo@redhat.com>
8375
8376         * config/m68hc11/m68hc11.h (target_flags, MASK_SHORT)
8377         (MASK_AUTO_INC_DEC, MASK_M6811, MASK_M6812, MASK_M68S12)
8378         (MASK_NO_DIRECT_MODE, MASK_MIN_MAX, MASK_LONG_CALLS)
8379         (TARGET_SHORT, TARGET_M6811, TARGET_M6812, TARGET_M68S12)
8380         (TARGET_AUTO_INC_DEC, TARGET_MIN_MAX, TARGET_NO_DIRECT_MODE)
8381         (TARGET_LONG_CALLS, TARGET_SWITCHES, TARGET_OPTIONS)
8382         (SUBTARGET_SWITCHES, SUBTARGET_OPTIONS, m68hc11_regparm_string)
8383         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
8384         (TARGET_M68HC11): Delete.
8385         (TARGET_DEFAULT): Change the default setting from MASK_M6811 to 0.
8386         * config/m68hc11/m68hc12.h (TARGET_M68HC12): Delete.
8387         * config/m68hc11/m68hc11.c (m68hc11_regparm_string)
8388         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
8389         (nb_soft_regs): Delete.
8390         (TARGET_DEFAULT_TARGET_FLAGS): Override default with TARGET_DEFAULT.
8391         (m68hc11_override_options): Remove the code that caters for MASK_M6811
8392         and MASK_M6812 being set simultaneously.  Change the code that sets
8393         the default m68hc11_soft_reg_count to use integers instead of strings.
8394         (m68hc11_conditional_register_usage, hard_regno_mode_ok): Use
8395         m68hc11_soft_reg_count (which now has an int type) as the number
8396         of soft registers.
8397         * config/m68hc11/m68hc11.opt: New file.
8398
8399 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
8400
8401         * config/fr30/fr30.h (PREDICATE_CODES): Remove
8402         fp_displacement_operand, sp_displacement_operand.
8403
8404         * config/m68hc11/m68hc11-protos.h: Add a prototype for
8405         m68hcc_auto_inc_p.
8406         Remove the prototypes for tst_operand, cmp_operand,
8407         stack_register_operand, d_register_operand,
8408         hard_addr_reg_operand, splitable_operand,
8409         m68hc11_logical_operator, m68hc11_arith_operator,
8410         m68hc11_non_shift_operator, m68hc11_shift_operator,
8411         m68hc11_unary_operator, m68hc11_eq_compare_operator,
8412         non_push_operand, hard_reg_operand, and
8413         reg_or_some_mem_operand.
8414         * config/m68hc11/m68hc11.c (m68hcc_auto_inc_p): Make it
8415         extern.
8416         (tst_operand, cmp_operand, non_push_operand,
8417         splitable_operand, reg_or_some_mem_operand,
8418         stack_register_operand, d_register_operand,
8419         hard_addr_reg_operand, hard_reg_operand,
8420         m68hc11_eq_compare_operator, m68hc11_logical_operator,
8421         m68hc11_arith_operator, m68hc11_non_shift_operator,
8422         m68hc11_shift_operator, m68hc11_unary_operator): Move to
8423         predicates.md.
8424         * config/m68hc11/m68hc11.h (PREDICATE_CODES): Remove.
8425         * config/m68hc11/m68hc11.md: Include predicates.md.
8426         * config/m68hc11/predicates.md: New.
8427
8428 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
8429
8430         PR debug/19345
8431         * dwarf2out.c (add_abstract_origin_attribute): Revert accidental
8432         change checked in along with 2005-03-03's patch for debug/20253.
8433         * tree-inline.c (remap_type): Remap TYPE_STUB_DECL.
8434         (remap_decl): Insert type decl in map earlier.
8435
8436 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
8437
8438         PR tree-optimization/20640
8439         * tree-ssa-dce.c (remove_dead_stmt): Don't redirect edge to
8440         post-dominator if it has phi nodes.
8441         (eliminate_unnecessary_stmts): Remove dead phis in all blocks
8442         before dead statements.
8443
8444 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
8445
8446         PR middle-end/20491
8447         * final.c (alter_subreg): Don't call subreg_regno for a non-REG.
8448
8449 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
8450
8451         PR rtl-optimization/20290
8452         * loop.c (for_each_insn_in_loop): Don't assume the loop body runs
8453         in every iteration if the entry point is the exit test.
8454
8455 2005-04-02  Hans-Peter Nilsson  <hp@axis.com>
8456
8457         * config/cris/cris.md (attribute "length"): Define.
8458
8459 2005-04-02  Geoffrey Keating  <geoffk@apple.com>
8460
8461         * config/rs6000/predicates.md (indexed_or_indirect_operand): New.
8462         (word_offset_memref_operand): New.
8463         * config/rs6000/rs6000-protos.h (word_offset_memref_operand): Delete.
8464         (indexed_or_indirect_operand): Delete.
8465         * config/rs6000/rs6000.c (word_offset_memref_operand): Delete.
8466         (indexed_or_indirect_operand): Delete.
8467
8468         * config/rs6000/t-darwin8: Comment out ppc64 multilib.
8469
8470         PR 20650
8471         * config/rs6000/rs6000.md (fix_truncdfsi2): Make destination
8472         a register.
8473
8474         * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Add -pipe.
8475         * config/t-darwin (TARGET_LIBGCC2_CFLAGS): Likewise.
8476
8477 2005-04-01  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
8478
8479         * gcc/config/vax/vax.md: Spellcheck, fix whitespace.
8480
8481 2005-04-01  Ian Lance Taylor  <ian@airs.com>
8482
8483         * gcc.c: Don't include <sys/resource.h> or declare getrusage.
8484         (rus, prus): Remove static variables.
8485         (execute): Use pex_run/pex_get_status rather than pexecute/pwait.
8486         (process_command): Permit report_times and use_pipes together.
8487
8488 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
8489
8490         * c-decl.c (validate_proto_after_old_defn): Look at
8491         TYPE_MAIN_VARIANT of argument types.
8492
8493 2005-04-01  Paul Brook  <paul@codesourcery.com>
8494
8495         * config/arm/arm.c (thumb_call_via_label): Include space for SP.
8496         (arm_output_function_epilogue): Allow call_via_SP.
8497         (thumb_call_via_reg, arm_file_end): Ditto.
8498         * config/arm/arm.h (struct machine_function): Include space for SP.
8499         (thumb_call_via_label): Update declaration.
8500
8501 2005-04-01  Ian Lance Taylor  <ian@airs.com>
8502
8503         * final.c (final_scan_insn): Revert part of 2005-03-30 patch: when
8504         doing a peephole optimization, once again put any notes in the
8505         proper position.
8506
8507 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
8508
8509         * bb-reorder.c, fold-const.c, varasm.c: Fix comment typos.
8510
8511 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
8512
8513         * local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
8514         (block_alloc, find_free_reg): Likewise.
8515         * loop-doloop.c (doloop_modify): Likewise.
8516         * loop-invariant.c (record_use): Likewise.
8517         * loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
8518         get_iv_value, canon_condition, eliminate_implied_condition,
8519         eliminate_implied_condition, simplify_using_initial_values,
8520         shorten_into_mode, canonicalize_iv_subregs,
8521         iv_number_of_iterations): Likewise.
8522         * loop-unroll.c (expand_var_during_unrolling): Likewise.
8523         * loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
8524         unswitch_loop): Likewise.
8525         * loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
8526         move_movables, replace_call_address, find_and_verify_loops,
8527         rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
8528         record_giv, final_giv_value, general_induction_var,
8529         simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
8530         loop_giv_dump): Likewise.
8531
8532         * gcov-io.h (GCOV_CHECK, GCOV_CHECK_READING,
8533         GCOV_CHECK_WRITING): Remove.
8534         (gcov_position, gcov_rewrite): Use gcc_assert.
8535         * gcov-io.c (gcov_open, gcov_write_words, gcov_write_length,
8536         gcov_read_words, gcov_sync, gcov_seek): Use gcc_assert.
8537         * libgcov.c (__gcov_merge_single, __gcov_merge_delta): Use
8538         gcc_assert.
8539
8540 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
8541
8542         * tree-inline.c: Fix a typo.
8543
8544 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
8545
8546         * configure.ac (enable-checking): Explicitly set all variables for
8547         collective switch values.  Alphabetize variables. Rename
8548         ac_checking_valgrind to ac_valgrind_checking.  Allow 'none' as
8549         synonym for 'no'.
8550         * doc/install.texi (enable-checking): Update documentation.
8551         * configure: Rebuilt.
8552
8553 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
8554
8555         * tree-inline.c (copy_body_r): Use CONSTANT_CLASS_P where
8556         possible.
8557
8558 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
8559
8560         * arm.c (adjacent_mem_locations): Reject volatile memory refs.
8561         Also reject cases where this pattern will cause load delay stalls
8562         unless optimizing for size and it will produce a shorter sequence.
8563         * arm.md (arith_adjacent_mem): Make better use of ldm addressing
8564         variants to avoid pre-adjusting the base when possible.
8565
8566 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
8567
8568         * arm.md (minmax_arithsi): Reject all eliminable registers, not just
8569         the frame and argument pointers.
8570         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec): Likewise.
8571         (loadqisi_preinc, loadqisi_predec, strsi_preinc): Likewise.
8572         (strsi_predec, loadsi_preinc, loadsi_predec): Likewise.
8573         (strqi_shiftpreinc, strqi_shiftpredec, loadqi_shiftpreinc): Likewise.
8574         (loadqi_shiftpredec, strsi_shiftpreinc, strsi_shiftpredec): Likewise.
8575         (loadsi_shiftpreinc, loadsi_shiftpredec): Likewise.
8576
8577 2005-04-01  Danny Smith  <dannysmith@users.sourceforge.net>
8578
8579         * config/i386/cygming.h (SUBTARGET_ATTRIBUTE_TABLE): Define,
8580         with entry for selectany attribute.
8581         * config/i386/i386-protos.h (ix86_handle_selectany_attribute):
8582         Declare.
8583         * config/i386/winnt.c (ix86_handle_selectany_attribute): Define.
8584         (i386_pe_asm_named_section): Handle sections generated by
8585         selectany attribute.
8586         * doc/extend.texi (selectany): Document attribute.
8587
8588 2005-04-01  Paolo Bonzini  <bonzini@gnu.org>
8589             Jan Hubicka  <jh@suse.cz>
8590
8591         * config/i386/i386.c (ix86_decompose_address): Look inside SUBREGs
8592         to fix addresses involving EBP and ESP.
8593         (aligned_operand, legitimate_address_p, ix86_address_cost): Be prepared
8594         for SUBREGed registers.
8595         (legitimate_address_p): Accept SUBREGed registers.
8596
8597 2005-04-01  Jakub Jelinek  <jakub@redhat.com>
8598
8599         PR c++/19406
8600         * dwarf2out.c (gen_type_die_for_member): Handle FIELD_DECL.
8601         (dwarf2out_imported_module_or_decl): Use gen_type_die_for_member
8602         for FIELD_DECLs.
8603
8604 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
8605
8606         * doc/contrib.texi, doc/invoke.texi, doc/tm.texi: Fix typos.
8607
8608 2005-04-01  James E Wilson  <wilson@specifixinc.com>
8609
8610         PR c++/20505
8611         * dwarf2out.c (rtl_for_decl_init): New function.
8612         (rtl_for_decl_location): Extracted from here.
8613         (tree_add_const_value_attribute): Call rtl_for_decl_init and
8614         add_const_value_attribute.  Delete initializer_constant_valid_p call.
8615
8616 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
8617
8618         * cgraphunit.c, dbxout.c, flow.c, gcse.c, gimplify.c,
8619         lambda-code.c, loop.c, machmode.def, mips-tfile.c,
8620         modulo-sched.c, passes.c, postreload-gcse.c, tree-eh.c,
8621         tree-ssa-ccp.c, varasm.c, config/frv/frv.c, config/frv/frv.h,
8622         config/frv/frv.md, config/i386/i386.c, config/i386/i386.h,
8623         config/i386/i386.md, config/rs6000/predicates.md,
8624         config/rs6000/rs6000.c, config/s390/fixdfdi.h,
8625         config/s390/s390.c, config/stormy16/stormy16.c,
8626         config/stormy16/stormy16.md, config/vax/vax.md: Fix comment
8627         typos.
8628
8629 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
8630
8631         PR c/17855
8632         * gimplify.c (gimplify_expr): Create a temporary for lvalue
8633         COND_EXPR and CALL_EXPR.
8634
8635 2005-03-31  Vladimir Makarov  <vmakarov@redhat.com>
8636
8637         PR target/20632
8638         * genautomata.c (first_cycle_unit_presence): Check all alternative
8639         states for unit presence.
8640
8641         * doc/md.texi: Remove remark about impossibility to query unit
8642         presence in non nondeterministic automaton state.
8643
8644         * config/ia64/ia64.c (get_template): Change order of unit querying.
8645
8646 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
8647
8648         * tree-ssa-dom.c (cprop_into_successor_phis): Remove an
8649         obsolete comment.
8650
8651 2005-03-31  Zdenek Dvorak  <dvorakz@suse.cz>
8652
8653         * cfgloopanal.c (mark_loop_exit_edges): Clean EDGE_LOOP_EXIT
8654         flag for edges outside any loops.
8655
8656 2005-03-31  Janis Johnson  <janis187@us.ibm.com>
8657
8658         * doc/sourcebuild.texi (Test Directives): Describe cleanup-* procs.
8659
8660 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
8661
8662         * tree-ssa-alias.c: Follow spelling conventions.
8663         * doc/tree-ssa.texi: Fix a typo.
8664
8665 2005-03-31  J"orn Rennecke <joern.rennecke@st.com>
8666
8667         * postreload-gcse.c: Include target.h.
8668         (gcse_after_reload_main): Return early if we cannot modify jumps.
8669         * Makefile.in (postreload-gcse.o): Depend on $(TARGET_H).
8670
8671 2005-03-31  David Edelsohn  <edelsohn@gnu.org>
8672
8673         * tree-ssa-loop-im.c (stmt_cost): Add RDIV_EXPR to list of
8674         expensive operations.
8675
8676 2005-03-31  Ian Lance Taylor  <ian@airs.com>
8677
8678         * collect2.c (lderrout): New variable.
8679         (collect_exit): Dump ldout to stdout.  Dump and unlink lderrout,
8680         if it is set, to stderr.
8681         (handler): Unlink lderrout if it is set.
8682         (dump_file): Add "to" parameter.  Change all callers.
8683         (main): Initialize lderrout.
8684         (collect_execute): Add errname parameter.  Change all callers.
8685         Rename redir parameter to outname.  Never pass
8686         PEX_STDERR_TO_STDOUT to pex_run.
8687         * collect2.h (collect_execute, dump_file): Update declarations.
8688         * tlink.c (tlink_execute): Add errname parameter.  Change all
8689         callers.
8690         (do_tlink): Check lderrout as well as ldout.
8691
8692 2005-03-31  Caroline Tice  <ctice@apple.com>
8693
8694         * Makefile.in (varasm.o): Add basic-block.h to list of requirements.
8695         (bb-reorder.o): Add errors.h to list of requirements.
8696         (STAGEFEEDBACK_FLAGS_TO_PASS): Add -freorder-blocks-and-partition to
8697         profiledbootstrap flags.
8698         * bb-reorder.c (errors.h): Add new include.
8699         (struct bbro_basic_block_data_def): Add new field, in_trace.
8700         (add_unlikely_executed_notes):  Remove function.
8701         (mark_bb_for_unlikely_executed_section): Remove function.
8702         (insert_section_boundary_note): New function.
8703         (verify_hot_cold_block_grouping): New function.
8704         (push_to_next_round_p): Remove variables and tests that push all
8705         cold blocks to last round.
8706         (find_traces): Remove code that added extra round of trace finding
8707         when doing partitioning.
8708         (find_traces_1_round) :  Remove variable last_round;  add code to
8709         update new struct field, in_trace; correct trace_length where it was
8710         incorrect before (after call to copy_bb); change code that pushed all
8711         cold blocks to last round. Instead verify that all blocks going into
8712         a trace belong in the same partition.
8713         (connect_traces): Modify to connect the traces in two passes, if the
8714         function contains both hot and cold blocks.  The first pass connects
8715         all the traces for blocks in the partition that the first block in
8716         the function belongs to; the second pass connnects all the traces
8717         containing blocks that belong in the other partition.
8718         (find_rarely_executed_basic_blocks_and_crossing_edges):  Remove
8719         code that automatically put the first block in a function into the
8720         hot partition if the function had any hot blocks.
8721         (fix_crossing_unconditional_branches): Check number of succ edges
8722         before attempting to get one.
8723         (fix_edges_for_rarely_executed_code):  Update comment describing
8724         function.
8725         (reorder_basic_blocks):  Add code to initialize new field (in_trace);
8726         remove call to add_unlikely_executed_notes; add call to
8727         verify_hot_cold_block_grouping.
8728         (duplicate_computed_gotos): Don't change computed goto if it's a
8729         crossing edge.
8730         (partition_hot_cold_basic_blocks):  Update function comment.
8731         * cfgcleanup.c (try_simplify_condjump): Remove redundacy from
8732         condition.
8733         (try_forward_edges): Likewise.
8734         (merge_blocks_move_predecessor_nojumps): Likewise.
8735         (merge_blocks_move_successor_nojumps): Likewise.
8736         (merge_blocks_move): Likewise.
8737         (try_crossjump_bb): Likewise.
8738         * cfglayout.c (update_unlikely_executed_notes): Remove function.
8739         (fixup_reorder_chain): Remove code for adding UNLIKELY_EXECUTED_CODE
8740         notes to cold bb's; remove call to update_unlikely_executed_notes.
8741         (duplicate_insn_chain):  change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
8742         NOTE_INSN_SWITCH_TEXT_SECTIONS.
8743         * cfglayout.h (scan_ahead_for_unlikely_executed_note): Remove
8744         function declaration.
8745         * cfgrtl.c (can_delete_note_p): Remove UNLIKELY_EXECUTED_CODE note
8746         from consideration.
8747         (rtl_can_merge_blocks): Remove redundancy from condition.
8748         (try_redirect_by_replacing_jump): Likewise.
8749         (force_nonfallthru_and_redirect): Remove code for adding
8750         UNLIKELY_EXECUTED_CODE notes to cold bb's.
8751         (commit_one_edge_insertion): Likewise.
8752         (cfg_layout_can_merge_blocks_p): Remove redundancy from condition.
8753         * dbxout.c (FORCE_TEXT): Replace function_section with
8754         current_function_section.
8755         (struct dbx_debug_h): Add do_nothing function for new debug_hooks
8756         function, switch_text_section.
8757         (struct xcoff_debug): Likewise.
8758         (dbxout_function_end): Add code to put out label diffs for both
8759         hot and cold sections.
8760         * debug.c (struct do_nothing_debug_hooks): Add do_nothing function
8761         for new debug_hooks funciton, switch_text_section..
8762         * debug.h (struct gcc_debug_hooks):  Add new function to debug_hooks,
8763         switch_text_section.
8764         * dwarf2out.c (struct dw_fde_struct):  Add five new fields:
8765         dw_fde_hot_section_label, dw_fde_hot_section_end_label,
8766         dw_fde_unlikely_section_label, dw_fde_unlikely_section_end_label and
8767         dw_fde_switched_sections.
8768         (output_call_frame_info):  Add test to see if function switches text
8769         sections in the middle; if so, use appropriate extra hot and cold
8770         section labels to compute size deltas for the hot and cold sections.
8771         (dwarf2out_begin_prologue): Add code to initialize new fields in
8772         dw_fde_struct.
8773         (dwarf2out_switch_text_section): New function (invoked through
8774         debug_hook); updates new fields in dw_fde_struct appropriately and
8775         increments separate_line_info_table_in_use.
8776         (dwarf2_debug_hooks): Initialize switch_text_section function to be
8777         dwarf2out_switch_text_section.
8778         (struct var_loc_node): Add new field, section_label.
8779         (output_aranges): Add code to check whether in hot or cold section and
8780         use the appropriate label in calculating deltas.
8781         (output_ranges): Likewise.
8782         (output_line_info): Add code to check which section we're in and
8783         use appropriate hot/cold label.
8784         (add_location_or_constant_value_attribute): Likewise.
8785         (gen_subprogam_die): Modify arange attributes to use correct labels.
8786         (dwarf2out_begin_block): Change call to function_section into call to
8787         current_function_section.
8788         (dwarf2out_end_block): Likewise.
8789         (dwarf2out_source_line): Likewise.
8790         (dwarf2out_var_location): Add code to check whether in hot or cold
8791         section and use the appropriate label.
8792         * except.c (output_function_exception_table): Change call to
8793         function_section into call to current_function_section.
8794         * final.c (profile_function): Likewise.
8795         (scan_ahead_for_unlikely_executed_note): Remove function.
8796         (final_scan_insn):  Remove calls to
8797         scan_ahead_for_unlikely_executed_note, and related code for switching
8798         to cold section, except for the single time
8799         NOTE_INSN_SWITCH_TEXT_SECTIONS may be encountered;  add calls to
8800         debug_hooks->switch_text_sections; replace appropriate calls to
8801         function_section with calls to current_function_section.
8802         * ifcvt.c (find_if_case_1): Remove redundancy from condition, add
8803         test_bb to condition.
8804         (find_if_case_2): Likewise.
8805         * insn-notes.def: Change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
8806         NOTE_INSN_SWITCH_TEXT_SECTIONS.  Update comment appropriately.
8807         * opts.c (decode_options): Change warning about hot/cold partitioning
8808         with exceptionss to inform (so as not to cause bootstrap failures);
8809         remove warning about partitioning with DWARF debug info.
8810         * output.h (current_function_section): Add new function decl.
8811         (insert_section_boundary_note): Likewise.
8812         (enum in_section): Move this declaration here from varasm.c.
8813         (unlikely_section_label): Likewise.
8814         (unlikely_text_section_name): Likewise.
8815         (last_text_section_name): New global variable.
8816         (last_text_section): Likewise.
8817         (hot_section_label): Likewise.
8818         (hot_section_end_label): Likewise.
8819         (cold_section_end_label): Likewise.
8820         * passes.c (rest_of_handle_final): Free unlikely_text_section_name.
8821         * print-rtl.c (print_rtx): Change NOTE_INSN_UNLIKELY_EXECUTED_CODE
8822         to NOTE_INSN_SWITCH_TEXT_SECTIONS.
8823         * reg-stack.c (emit_swap_insn): Remove UNLIKELY_EXECUTED_CODE note
8824         insn from consideration.
8825         * sdbout.c (sdb_debug_hooks): Add do_nothing for new function,
8826         switch_text_section.
8827         * varasm.c (basic-block.h): Add new include.
8828         (unlikely_section_label_printed): Remove global variable.
8829         (unlikely_section_label): Make global variable not be static any more.
8830         (unlikely_text_section_name): Likewise.
8831         (hot_section_end_label): New global variable (not static)
8832         (first_function_block_is_cold): Likewise.
8833         (hot_section_label): Likewise.
8834         (cold_section_end_label): Likewise..
8835         (last_text_section): New global variable, not static.
8836         (last_text_section_name): New global variable, not static.
8837         (initialize_cold_section_name): New function.
8838         (enum in_section): Move declaration to output.h.
8839         (text_section): Update last_text_section.
8840         (unlikely_text_section): Replace code to determine cold section name
8841         with call to initialize_cold_section_name; Add code to update
8842         last_text_section; remove code for printing out label.
8843         (named_section_real): Add code to update last_text_section and
8844         last_text_section_name as appropriate.
8845         (function_section): Change test for 'unlikely' to depend on
8846         first_function_block_is_cold (moved old test to
8847         current_function_section).
8848         (current_function_section): New function.
8849         (assemble_start_function): Move code that frees
8850         unlikely_text_section_name; initialize hot_section_end_label;
8851         print hot and cold section labels at the start of the function;
8852         set first_function_block_is_cold, if appropriate; initialize l
8853         ast_text_section; add call to insert_section_boundary_note.
8854         (assemble_end_function):  Add code to write out hot and cold section
8855         end labels.
8856         *vmsdbgout.c (vmsdbg_debug_hooks): Add do_nothing for new function,
8857         switch_text_section.
8858         * config/darwin.c (machopic_select_section): Replace incorrect
8859         function in base_funs; update reloc for cold sections if necessary.
8860         * config/darwin.h (SECTION_FUNCTION):  Add code to update
8861         last_text_section if appropriate.
8862         (text_unlikely_section): Remove.
8863         * config/sparc/sparc.c (sparc_output_deferred_case_vectors): Likewise.
8864         * config/stormy16/stormy16.c (stormy_16_output_addr_vec): Likewise.
8865         * config/xtensa/xtensa.c (override_options): Turn off hot/cold
8866         partitioning for this architecture.
8867
8868 2005-03-31  Olivier Hainque  <hainque@adacore.com>
8869
8870         * dwarf2out.c (dwarf2out_frame_finish): Honor DWARF2_FRAME_INFO
8871         defined and non-zero.
8872
8873 2005-03-31  Gabriel Dos Reis  <gdr@integrable-solutions.net>
8874
8875         PR c++/18644
8876         * doc/invoke.texi (-Wsynth): Don't document, as it now is void of
8877         semantics.
8878
8879 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
8880
8881         PR target/20611
8882         * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Remove inline
8883         label operand.  Remove (use (unspec..)).  Don't emit a label on
8884         the offset word.
8885         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Don't
8886         generate inline label for load_toc_v4_PIC_1b.
8887         (rs6000_emit_load_toc_table): Likewise.
8888
8889 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
8890
8891         * config.gcc: Obsolete i860-*-sysv4*, ip2k-*-elf,
8892         ns32k-*-netbsdelf*, and ns32k-*-netbsd*.
8893
8894 2005-03-29  Devang Patel  <dpatel@apple.com>
8895
8896         * tree-sra.c (decide_block_copy): Disable scalarization of
8897         sub-elements.
8898
8899 2005-03-30  Stuart Hastings  <stuart@apple.com>
8900             Dale Johannesen  <dalej@apple.com>
8901
8902         * Makefile.in (print-tree.o):  Depend on tree-iterator.h.
8903         * print-tree.c (print_node):  Add case STATEMENT_LIST.
8904
8905 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
8906
8907         * config.gcc (cpu_is_64bit): Set for 64-bit powerpc cpus.
8908         (powerpc64-*-linux*): Use it.  Rearrange tm_file assignment.
8909         (powerpc-*-linux*): Build a biarch compiler when --enable-targets
8910         is given with "powerpc64*" or "all", or when --with-cpu chooses
8911         a 64-bit cpu.
8912
8913 2005-03-30  James E. Wilson  <wilson@specifixinc.com>
8914
8915         PR debug/20268
8916         * dwarf2out.c (add_high_low_attributes): New function, extracted from
8917         gen_lexical_block_die.
8918         (gen_lexical_block_die, gen_inlined_subroutine_die): Call it.
8919
8920 2005-03-31  Jan Hubicka  <jh@suse.cz>
8921
8922         2004-11-02  Jan Hubicka  <jh@suse.cz>
8923
8924         * cgraph.c (cgraph_varpool_node_name): New function.
8925         (dump_cgraph_varpool_node): New function.
8926         (dump_varpool): New function.
8927         * cgraphunit.c (cgraph_optimize): Dump varpool.
8928
8929         2004-10-16  Jan Hubicka  <jh@suse.cz>
8930
8931         * cgraph.c (decide_is_variable_needed): New function.
8932         (cgraph_varpool_finalize_decl): Use it.
8933         * cgraphunit.c (cgraph_optimize): Assemble_pending_decls when not doing
8934         unit-at-a-time.
8935         * final.c (output_addr_const): Do not call mark_referenced.
8936         * passes.c (rest_of_decl_compilation): ifdef out DECL_RTL_SET_P hack;
8937         always go via cgraph.
8938         * toplev.c (wrapup_global_declarations): Kill non-unit-at-a-time code.
8939         (check_global_declarations): Ifdef out code clearing DECL_RTL.
8940         * tree-optimize.c (execute_inline): Mark functions called.
8941         * i386.c (output_pic_addr_const): Do not call mark_decl_referenced.
8942
8943         2004-10-11  Jan Hubicka  <jh@suse.cz>
8944
8945         * cgraph.c (cgraph_varpool_first_unanalyzed_node): New global voriable
8946         (cgraph_varpool_last_needed_node): New static variable.
8947         (enqueue_needed_varpool_node): Break out from ...; add items to the
8948         end of queue; update first pointers.
8949         (cgraph_varpool_mark_needed_node): ... here.
8950         (cgraph_varpool_finalize_decl): Use enqueue_needed_varpool_node.
8951         (cgraph_varpool_assemble_pending_decls): Move to cgraphunit.c
8952         * cgraph.h (cgraph_varpool_node): Add analyzed field.
8953         (cgraph_varpool_first_unanalyzed_node): Declare.
8954         * cgraphunit.c: Include output.h.
8955         (cgraph_varpool_analyze_pending_decls): New function.
8956         (cgraph_varpool_assemble_pending_decls): Move from cgraph.c; bail out
8957         for errors, analyze pending decls.
8958         (cgraph_finalize_compilation_unit): Only analyze decls.
8959         (cgraph_optimize): Assemble the decls after expanding.
8960
8961 2005-03-30  Daniel Berlin  <dberlin@dberlin.org>
8962
8963         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Make sure
8964         subvars get marked properly in tags for grouping.
8965         (add_pointed_to_var): Mark only actual pointed to
8966         variables/subvars in addresses needed.
8967         (create_overlap_variables_for): Clear call clobbered on original
8968         variable.
8969         * tree-ssa-operands.c (get_asm_expr_operands): Don't let regular
8970         addresable vars with subvars into list.
8971         * tree-ssa.c (verify_ssa_name): Verify original is not used where
8972         subvar should be.
8973
8974 2005-03-30  Richard Henderson  <rth@redhat.com>
8975
8976         * cgraph.h (struct cgraph_node): Add alias.
8977         * varasm.c (assemble_alias): Set it.
8978         * cgraphunit.c (cgraph_assemble_pending_functions): Check it and
8979         avoid calling cgraph_expand_function.
8980
8981 2005-03-30  Tom Tromey  <tromey@redhat.com>
8982
8983         * tree.def (FILE_TYPE): Removed.
8984         * typeclass.h (enum type_class): Removed file_type_class.
8985         * dwarf2out.c (is_base_type): Updated.
8986         (gen_type_die): Likewise.
8987         * dbxout.c (dbxout_type): Updated.
8988         * builtins.c (type_to_class): Updated.
8989         * tree.c (type_contains_placeholder_1): Updated.
8990         * config/sparc/sparc.c (sparc_type_code): Updated.
8991         * config/ia64/ia64.c (hfa_element_mode): Updated.
8992         * expr.c (count_type_elements): Updated.
8993         * stor-layout.c (layout_type): Updated.
8994         * tree-inline.c (remap_type): Updated.
8995         * tree-pretty-print.c (dump_generic_node): Updated.
8996
8997 2005-03-30 Fariborz Jahanian <fjahanian@apple.com>
8998
8999         * builtins.c (expand_builtin_powi): Fix mode of
9000         2nd argument to match int.
9001         * libgcc2.h (__powisf2, __powidf2, __powixf2, __powitf2): Change
9002         2nd argument type to int.
9003         * libgcc2.c: Change prototype of __powi* functions to use
9004         int.
9005
9006 2005-03-30  Dale Johannesen  <dalej@apple.com>
9007
9008         PR middle-end/19225
9009         * calls.c (expand_call):  Flush pending deferrals before
9010         throwing call.
9011
9012 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
9013
9014         PR c/772
9015         PR c/17913
9016         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR,
9017         C_DECL_UNDEFINABLE_STMT_EXPR, struct c_label_list, struct
9018         c_label_context, label_context_stack): New.
9019         * c-decl.c (define_label): Check for jumps into statement
9020         expressions.  Add label to list of defined labels.
9021         (start_function): Push context on label_context_stack.
9022         (finish_function): Pop context from label_context_stack.
9023         * c-typeck.c (label_context_stack): New.
9024         (c_finish_goto_label): Check for jumps into statement
9025         expressions.  Add label to list of jumped to labels.
9026         (struct c_switch): Add blocked_stmt_expr.
9027         (c_start_case): Initialize it.
9028         (do_case): Check it.
9029         (c_finish_case): Verify !blocked_stmt_expr.
9030         (c_begin_stmt_expr):  Push context on label_context_stack.
9031         Increment blocked_stmt_expr.  Mark labels jumped to from outside
9032         as undefinable.
9033         (c_finish_stmt_expr): December blocked_stmt_expr.  Mark labels
9034         defined in the statement expression and no longer jumpable to.
9035         Mark labels jumped to from just outside the statement expression
9036         as again definable.  Pop context from label_context_stack.
9037         * doc/extend.texi (Statement Exprs): Update.
9038
9039 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
9040
9041         PR c/20368
9042         * c-decl.c (start_function): Check for old_decl being
9043         error_mark_node.
9044
9045 2005-03-30  Ian Lance Taylor  <ian@airs.com>
9046
9047         * final.c (final): Remove prescan parameter.  Change all callers.
9048         (final_scan_insn): Remove prescan parameter.  Change all callers.
9049
9050 2005-03-30  Kazu Hirata  <kazu@cs.umass.edu>
9051
9052         * tree-vectorizer.c: Fix comment typos.
9053
9054 2005-03-30  Sebastian Pop  <pop@cri.ensmp.fr>
9055
9056         * tree-scalar-evolution.c (instantiate_parameters_1): Return
9057         as soon as a chrec_dont_know is detected.
9058
9059 2005-03-31  Danny Smith  <dannysmith@users.sourceforge.net>
9060
9061         Merge from csl-arm-branch.
9062         2004-02-12  Mark Mitchell  <mark@codesourcery.com>
9063
9064         * tlink.c (recompile_files): Do not assume that "rename" can
9065         overwrite an existing file.
9066
9067 2005-03-31  Paolo Bonzini  <bonzini@gnu.org>
9068
9069         * gcc/configure.ac (TL_AC_GNU_MAKE_GCC_LIB_PATH): Remove.
9070         * gcc/configure: Regenerate.
9071
9072 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
9073
9074         * doc/install.texi: Update binutils requirement for powerpc*-linux.
9075
9076         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Update comments.
9077
9078         * calls.c (struct arg_data): Update "partial" comment.
9079         (load_register_parameters): Update "nregs" comment.
9080
9081 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
9082
9083         * config/iq2000/iq2000.h (target_flags, MASK_GPOPT, MASK_EMBEDDED_DATA)
9084         (MASK_UNINIT_CONST_IN_RODATA, TARGET_EMBEDDED_DATA, TARGET_SWITCHES)
9085         (TARGET_DEFAULT, TARGET_CPU_DEFAULT, SUBTARGET_TARGET_OPTIONS)
9086         (TARGET_OPTIONS, iq2000_cpu_string, iq2000_arch_string): Delete.
9087         (TARGET_DEBUG_MODE, TARGET_DEBUG_A_MODE, TARGET_DEBUG_B_MODE)
9088         (TARGET_DEBUG_C_MODE, TARGET_DEBUG_D_MODE): Define to 0 rather
9089         than target_flags & 0.
9090         * config/iq2000/iq2000.c (iq2000_cpu_string, iq2000_arch_string)
9091         (iq2000_arch, iq2000_parse_cpu): Delete.
9092         (TARGET_HANDLE_OPTION): Override default.
9093         (iq2000_handle_option): New function.
9094         (override_options): Remove -march= and -mcpu= handling.
9095         * config/iq2000/iq2000.opt: New file.
9096
9097 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
9098
9099         * config/c4x/c4x-protos.h (c4x_rpts_cycles, c4x_cpu_version): Delete.
9100         * config/c4x/c4x.h (SMALL_MEMORY_FLAG, MPYI_FLAG, FAST_FIX_FLAG)
9101         (RPTS_FLAG, C3X_FLAG, TI_FLAG, PARANOID_FLAG, MEMPARM_FLAG, DEVEL_FLAG)
9102         (RPTB_FLAG, BK_FLAG, DB_FLAG, DEBUG_FLAG, HOIST_FLAG)
9103         (LOOP_UNSIGNED_FLAG, FORCE_FLAG, PRESERVE_FLOAT_FLAG)
9104         (PARALLEL_INSN_FLAG, PARALLEL_MPY_FLAG, ALIASES_FLAG, C30_FLAG)
9105         (C31_FLAG, C32_FLAG, C33_FLAG, C40_FLAG, C44_FLAG, TARGET_SWITCHES)
9106         (TARGET_DEFAULT, TARGET_SMALL, TARGET_MPYI, TARGET_FAST_FIX)
9107         (TARGET_RPTS, TARGET_TI, TARGET_PARANOID, TARGET_MEMPARM, TARGET_DEVEL)
9108         (TARGET_RPTB, TARGET_BK, TARGET_DB, TARGET_DEBUG, TARGET_HOIST)
9109         (TARGET_LOOP_UNSIGNED, TARGET_FORCE, TARGET_PRESERVE_FLOAT)
9110         (TARGET_PARALLEL, TARGET_PARALLEL_MPY, TARGET_ALIASES)
9111         (c4x_rpts_cycles_string, c4x_cpu_version_string)
9112         (TARGET_OPTIONS): Delete.
9113         (c4x_rpts_cycles, c4x_cpu_version): Declare.
9114         (TARGET_C3X, TARGET_C30, TARGET_C31, TARGET_C32, TARGET_C33)
9115         (TARGET_C40, TARGET_C44): Redefine in terms of c4x_cpu_version.
9116         * config/c4x/c4x.c (c4x_rpts_cycles_string): Delete.
9117         (c4x_cpu_version_string): Delete.
9118         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
9119         (c4x_handle_option): New function.  Map -m3x and -m4x options to the
9120         equivalent -mcpu= option.
9121         (c4x_override_options): Remove -mrpts= and -mcpu= handling from here.
9122         Deal with the extra conditions in the old TARGET_MPYI, TARGET_RPTB,
9123         TARGET_DB, TARGET_PARALLEL and TARGET_PARALLEL_MPY macros by setting
9124         or clearing the appropriate MASK_* bit.
9125         (c4x_file_start): Use c4x_cpu_version.
9126         * config/c4x/c4x.opt: New file.
9127
9128 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
9129
9130         * doc/options.texi: Document the new MaskExists flag.
9131         * opth-gen.awk: Don't output MASK and TARGET macros for Mask(...)
9132         if the option has the MaskExists flag.
9133
9134 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
9135
9136         * opt-functions.awk (flag_set_p, test_flag): New functions.
9137         (switch_flags): Use them.
9138         * opth-gen.awk: Use flag_set_p to check for flags.
9139         * optc-gen.awk: Likewise.  Use opt_args to check for Init(...) flags.
9140
9141 2005-03-30  Ian Lance Taylor  <ian@airs.com>
9142
9143         * config.host (i[34567]86-*-mingw32*): Don't set
9144         host_can_use_collect2 to no.
9145
9146 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
9147
9148         PR target/20203
9149         * builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL.
9150         Remove convert_memory_address call duplicating that in memory_address.
9151
9152 2005-03-29  Richard Henderson  <rth@redhat.com>
9153
9154         PR c/20519
9155         * c-decl.c (c_finish_incomplete_decl): Update complete_array_type call.
9156         (build_compound_literal): Likewise.  Propagate decl type into the
9157         initializer.
9158         (finish_decl): Likewise.  Use new return value from complete_array_type
9159         for zero sized arrays.
9160         (complete_array_type): Move ...
9161         * c-common.c (complete_array_type): ... here.  Change first argument
9162         to pointer-to-type-node.  Consistently use sizetype for the index
9163         except for zero sized arrays.  Detect zero sized arrays for pedantic
9164         mode diagnostics.  Create a new type node instead of modifying the
9165         old node in place.
9166         * c-tree.h (complete_array_type): Move decl ...
9167         * c-common.h (complete_array_type): ... here.
9168
9169 2005-03-29  Richard Henderson  <rth@redhat.com>
9170
9171         PR tree-opt/19108
9172         * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.
9173
9174 2005-03-29  Kazu Hirata  <kazu@cs.umass.edu>
9175
9176         * builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c,
9177         debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c,
9178         rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h,
9179         tree-profile.c, tsystem.h, value-prof.h: Update copyright.
9180
9181 2005-03-29  Eric Christopher  <echristo@redhat.com>
9182
9183         * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
9184         truthvalue conversion removal.
9185
9186 2005-03-29  Ian Lance Taylor  <ian@airs.com>
9187
9188         PR bootstrap/14316
9189         * collect2.c: Never include <vfork.h>.
9190         (VFORK_STRING, vfork): Don't define.
9191         (pid): Remove global variable.
9192         (handler): Call raise instead of kill (getpid(), ...).
9193         (collect_wait): Add pex parameter.  Change all callers.  Use
9194         pex_get_status rather than pwait.
9195         (do_wait): Add pex parameter.  Change all callers.
9196         (collect_execute): Return struct pex_obj * rather than void.  Use
9197         pex routines rather than pexecute.
9198         (fork_execute): Get pex_obj from collect_execute, and pass it to
9199         do_wait.
9200         (scan_prog_file): Use pex routines rather than pipe/vfork/exec.
9201         Only declare quit_handler if SIGQUIT is defined.
9202         (scan_libraries): Likewise.
9203         * collect2.h (collect_execute): Update declaration.
9204         (collect_wait): Update declaration.
9205         * tlink.c (tlink_execute): Get pex_obj from collect_execute, and
9206         pass it to collect_wait.
9207
9208 2005-03-29  Joseph S. Myers  <joseph@codesourcery.com>
9209
9210         PR c/20672
9211         * c-parser.c (c_parser_compound_statement_nostart): Give error
9212         message for EOF instead of just setting parser->error.
9213
9214 2005-03-29  Dorit Naishlos  <dorit@il.ibm.com>
9215
9216         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed.
9217         (slpeel_update_phi_nodes_for_guard1): New function.
9218         (slpeel_update_phi_nodes_for_guard2): New function.
9219         (slpeel_tree_peel_loop_to_edge): Call above new functions instead
9220         of slpeel_update_phi_nodes_for_guard.
9221         (vectorize_loops): Remove call to loop_closed_rewrite.
9222         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove
9223         assertion.
9224
9225 2005-03-29  Richard Sandiford  <rsandifo@redhat.com>
9226
9227         * config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete.
9228         (TARGET_LITTLE_ENDIAN): New macro.
9229         * config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags)
9230         (TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG)
9231         (TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS)
9232         (TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE)
9233         (TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK)
9234         (TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT)
9235         (TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT)
9236         (TARGET_SWITCHES, m32r_model_string, m32r_sdata_string)
9237         (m32r_cache_flush_trap_string, SUBTARGET_OPTIONS)
9238         (TARGET_OPTIONS): Delete.
9239         (M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums.
9240         (CACHE_FLUSH_TRAP): Turn into an integer.
9241         (TARGET_LITTLE_ENDIAN): Define to 0 by default.
9242         (INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if
9243         -mflush-trap is in use.
9244         * config/m32r/m32r.c (m32r_model_string, m32r_sdata_string)
9245         (m32r_cache_flush_trap_string): Delete.
9246         (m32r_model) Initialize to M32R_MODEL_DEFAULT.
9247         (m32r_sdata): Likewise M32R_SDATA_DEFAULT.
9248         (m32r_cache_trap): Likewise CACHE_FLUSH_TRAP.
9249         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
9250         (m32r_handle_option): New function.  Move -mflush-trap=, -mflush-func=,
9251         -mmodel= and -msdata= handling from...
9252         (m32r_init): ...here.
9253         * config/m32r/m32r.opt: New file.
9254
9255 2005-03-29  Keith Besaw  <kbesaw@us.ibm.com>
9256
9257         * tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
9258         (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
9259         * tree-vect-analyze.c (vect_object_analysis): additional parm
9260         pass back a "struct ptr_info_def *" with the points-to info.
9261         (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
9262         statement using info returned from vect_object_analysis.
9263         * tree-vect-transform.c (update_vuses_to_preheader): New function.
9264         (vect_create_data_ref_ptr): Remove updates to vars_to_rename
9265         for virtual uses and defs when creating a replacement vector
9266         reference.  Call duplicate_ssa_name_ptr_info to define points-to
9267         info for vector pointer replacement using STMT_VINFO_PTR_INFO.
9268         (vectorizable_store): copy_virtual_operands and update
9269         definition statements.
9270         (vectorizable_load): copy_virtual_operands.  Remove call to
9271         mark_call_clobbered_vars_to_rename for call to "const" builtin.
9272         * tree-vectorizer.c (vectorize_loops): Remove calls to
9273         rewrite_into_ssa and bitmap_clear (vars_to_rename).
9274         (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
9275         * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
9276         define macro STMT_VINFO_PTR_INFO for use in accessing.
9277         * tree.h add export of duplicate_ssa_name_ptr_info.
9278         * rs6000.c (altivec_init_builtins): Declare builtin function
9279         __builtin_altivec_mask_for_load to be "const".
9280
9281 2005-03-29  Jakub Jelinek  <jakub@redhat.com>
9282
9283         PR middle-end/20622
9284         * cgraph.h (struct cgraph_varpool_node): Add alias field.
9285         * cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call
9286         assemble_variable on aliases.
9287         * varasm.c (assemble_alias): Set node->alias.
9288         * toplev.c (wrapup_global_declarations): Don't call
9289         rest_of_decl_compilation on aliases again.
9290
9291 2005-03-29  Paul Brook  <paul@codesourcery.com>
9292
9293         * config/arm/arm-protos.h (arm_dbx_register_number): Add prototype.
9294         * config/arm/arm.c (arm_dbx_register_number): New function.
9295         * config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define.
9296
9297 2005-03-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
9298
9299         PR middle-end/20263
9300         * varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use
9301         the DECL_NAME, not the DECL_ASSEMBLER_NAME.
9302
9303 2005-03-29  Dale Johannesen <dalej@apple.com>
9304
9305         * Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H)
9306         $(TREE_H) and $(COVERAGE_H).
9307         * coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME.
9308         * opts.c (common_handle_option): Enable tree-based value transforms.
9309         * toplev.c (process_options): Ditto.
9310         * value-prof.h (struct histogram_value_t): Redefine. "Adjust" below
9311         refers to references to this type.
9312         * tree-flow.h: (struct stmt_ann_d): Add histograms field.
9313         * rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks
9314         for may_be_more, may_be_less.
9315         (rtl_gen_pow2_profiler): Adjust.
9316         (rtl_gen_one_value_profiler_no_edge_manip): Adjust.
9317         (rtl_gen_one_value_profiler): Adjust.
9318         (rtl_gen_const_delta_profiler): Adjust.
9319         * tree-profile.c (tree_gen_interval_profiler): Implement.
9320         (tree_gen_pow2_profiler): Ditto.
9321         (tree_gen_one_value_profiler): Ditto.
9322         (tree_profiling): New.
9323         (pass_tree_profile): Reference it.
9324         * value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h,
9325         tree.h, gcov-io.h.
9326         (insn_divmod_values_to_profile): Rename to
9327         rtl_divmod_values_to_profile. Adjust.
9328         (insn_values_to_profile): Rename to rtl_values_to_profile. Adjust.
9329         (insn_prefetch_values_to_profile): Adjust.
9330         (rtl_value_profile_transformations): Adjust.
9331         (gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value.
9332         (gen_mod_pow2): Rename to rtl_mod_pow2.
9333         (gen_mod_subtract): Rename to rtl_mod_subtract.
9334         (divmod_fixed_value_transform): Rename to
9335         rtl_divmod_fixed_value_transform.
9336         (mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform.
9337         (mod_subtract_transform): Rename to rtl_mod_subtract_transform.
9338         (rtl_find_values_to_profile): Adjust.
9339         (tree_value_profile_transformations): Implement.
9340         (tree_divmod_values_to_profile): New.
9341         (tree_values_to_profile): New.
9342         (tree_divmod_fixed_value): New.
9343         (tree_mod_pow2): New.
9344         (tree_mod_subtract): New.
9345         (tree_divmod_fixed_value_transform): New.
9346         (tree_mod_pow2_value_transform): New.
9347         (tree_mod_subtract_transform): New.
9348         (tree_find_values_to_profile): Implement.
9349         * profile.c (instrument_values):  Free histograms.
9350         (compute_value_histograms): Adjust. Implement tree version.
9351
9352 2005-03-29  Uros Bizjak  <uros@kss-loka.si>
9353
9354         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST> case.
9355         * config/i386/i386.c (output_fix_trunc): Add new round_mode
9356         variable.  Output "fldcw" depending on round_mode.
9357         * config/i386/i386.md (UNSPEC_FIST): New.
9358         (fistdi2, fistdi2_with_temp, fist<mode>2, fist<mode>2_with_temp):
9359         New isns patterns to implement lrint and llrint built-ins as x87
9360         intrinsic function.
9361         (fistdi2, fist<mode>2 splitters): New splitters.
9362         (lrint<mode>2): New expanders.
9363
9364 2005-03-28  Ian Lance Taylor  <ian@airs.com>
9365
9366         * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
9367         0 when calling final_scan_insn.
9368
9369 2005-03-28  Jan Hubicka  <jh@suse.cz>
9370
9371         PR middle-end/20635
9372         * varasm.c (mark_decl_referenced): Do not mark extern inline functions
9373         as needed.
9374
9375         * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
9376         types where possible.
9377
9378 2005-03-26  Per Bothner  <per@bothner.com>
9379
9380         Make -f[no-]show-column also control non-cpp diagnostics.
9381         * c.opt (fshow-column): Move option from here ...
9382         * common.opt (fshow-column): ... to here.
9383         * diagnostic.c (diagnostic_build_prefix): Only print column number
9384         if flag_show_column.
9385
9386 2005-03-27  Steven Bosscher  <stevenb@suse.de>
9387
9388         * vax-protos.h (vax_output_int_move, vax_output_int_add,
9389         vax_output_conditional_branch): New prototypes.
9390         * vax.c (vax_output_int_move, vax_output_int_add): New functions,
9391         extracted from vax.md mov and add patterns.
9392         (vax_output_conditional_branch): New function to output conditional
9393         branch instructions.
9394         * vax.md: Use mode macros for arithmetic and mov patterns.
9395         Use code macros for the jump patterns.
9396
9397 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
9398
9399         * Makefile.in (libbackend.o): Depend on version files;
9400         add custom generation command.
9401
9402 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
9403
9404         PR target/20636
9405         * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
9406         sure that we have a REG before getting its REGNO.
9407
9408 2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9409
9410         * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
9411         * builtins.def (BUILT_IN_STRNDUP): New.
9412
9413 2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>
9414
9415         PR tree-optimization/20470
9416         * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
9417         ABS(x-y).
9418
9419 2005-03-25  Mike Stump  <mrs@apple.com>
9420
9421         * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
9422         sized objects.
9423
9424 2005-03-25  Geoffrey Keating  <geoffk@apple.com>
9425
9426         * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
9427         Use our own structure definitions.
9428
9429         * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
9430         (fix_truncdfsi2): Allow registers or memory as destination.
9431         When TARGET_PPC_GFXOPT, generate simplified pattern.
9432         (fix_truncdfsi2_internal): Use define_insn_and_split.
9433         (fix_truncdfsi2_internal_gfxopt): New.
9434         (fctiwz): Don't confuse register allocation by giving it no choices.
9435         (stfiwx): New.
9436         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
9437         (EXTRA_MEMORY_CONSTRAINT): Likewise.
9438         * config/rs6000/rs6000.c (indexed_or_indirect_operand): New.
9439         * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
9440
9441 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
9442
9443         * dominance.c (free_dominance_info): Speed up by freeing et
9444         data structures without maintaining other nodes.
9445         * et-forest.c (et_free_tree_force): New.
9446         * et-forest.h: Add a prototype for et_free_tree_force.
9447
9448         * tree.c (get_set_constructor_bits,
9449         get_set_constructor_bytes): Remove.
9450         * tree.h: Remove the corresponding prototypes.
9451
9452 2005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
9453
9454         PR target/15491
9455         * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
9456         (vax_rtx_costs): Return false when passed unsupported rtx's.  Handle
9457         FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE.  Fix costs for POST_INC,
9458         PRE_DEC, NEG and NOT.
9459
9460 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
9461
9462         * fold-const.c: Convert uses of fold (build (...)) to
9463         fold_buildN.
9464
9465 2005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>
9466
9467         PR rtl-optimization/20249
9468         * cse.c (insert_regs): Do not record equivalence of registers in
9469         different modes.
9470
9471 2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>
9472
9473         * emit-rtl.c (reverse_comparison): Remove.
9474         * rtl.h: Remove the corresponding prototype.
9475
9476 2005-03-24  James E Wilson  <wilson@specifixinc.com>
9477
9478         * doc/install.texi (--enable-altivec): Delete docs.
9479
9480 2005-03-24  David Edelsohn  <edelsohn@gnu.org>
9481
9482         * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
9483         SFmode and DFmode before reload when
9484         flag_unsafe_math_optimizations not enabled.
9485
9486 2005-03-24  Geoffrey Keating  <geoffk@apple.com>
9487
9488         * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
9489
9490         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
9491         MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
9492
9493 2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>
9494
9495         * configure.ac (enable-checking): Add 'runtime' option.
9496         * doc/install.texi (enable-checking): Document 'runtime' checking.
9497         * tsystem.h (gcc_assert, gcc_unreachable): Define.
9498         * config.in: Regenerated.
9499         * configure: Regenerated.
9500
9501 2005-03-23  Uros Bizjak  <uros@kss-loka.si>
9502
9503         * optabs.h (enum optab_index): Remove OTI_llrint.
9504         (llrint_optab): Remove macro.
9505         * optabs.c (init_optabs): Remove llrint_optab initialization.
9506         * genopinit.c (optabs): Remove llrint_optab implementation.
9507         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
9508         using lrint_optab.
9509
9510 2005-03-24  Alexandre Oliva  <aoliva@redhat.com>
9511
9512         PR rtl-optimization/20532
9513         * simplify-rtx.c (simplify_binary_operation_1): Protect from
9514         overflow when adding coefficients for PLUS or MINUS.
9515         (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
9516         two as multiplier.
9517
9518 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
9519
9520         * langhooks.h (truthvalue_conversion): Remove.
9521         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
9522         LANG_HOOKS_TRUTHVALUE_CONVERSION.
9523         * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
9524         * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
9525         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
9526
9527 2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>
9528
9529         * params.def: Fix a typo.
9530         * config/mips/mips.c: Follow the spelling convensions.
9531         * doc/invoke.texi: Fix typos.
9532
9533 2005-03-23  Daniel Berlin  <dberlin@dberlin.org>
9534
9535         Fix PR tree-optimization/20601
9536
9537         * tree-ssa-pre.c (insert_aux): Add missing condition to
9538         constification.
9539
9540 2005-03-23  Ian Lance Taylor  <ian@airs.com>
9541
9542         * final.c (final_scan_insn): Don't remove no-op instructions.
9543         * reload1.c (reload): Remove simple no-op instructions even when
9544         not optimizing.
9545
9546 2005-03-23  Dorit Naishlos  <dorit@il.ib.com>
9547
9548         PR tree-optimization/20501
9549         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
9550         reporting that peeling for alignment is applied moved to...
9551         * (vect_analyze_data_refs_alignment): Here.
9552
9553 2005-03-23  Ian Lance Taylor  <ian@airs.com>
9554
9555         * reorg.c (dbr_schedule): Remove #if 0 code to call final.
9556
9557 2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
9558
9559         * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
9560         Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
9561
9562 2005-03-23  Hans-Peter Nilsson  <hp@axis.com>
9563
9564         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
9565         imply that this is called once, independent of asms in code.
9566         Adjust to now being pased output and input lists.  Mention helper
9567         function decl_overlaps_hard_reg_set_p.
9568         * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
9569         hook_tree_tree_identity and to take three trees, returning third.
9570         * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
9571         prototype.
9572         * stmt.c: include hard-reg-set.h before tree.h.
9573         (decl_overlaps_hard_reg_set_p): New function, broken out from...
9574         (decl_conflicts_with_clobbers_p): Call
9575         decl_overlaps_hard_reg_set_p.
9576         (expand_asm_operands): Pass output and input lists in call to
9577         targetm.md_asm_clobbers.
9578         * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
9579         hook_tree_tree_tree_tree_3rd_identity.
9580         * target.h (struct gcc_target.md_asm_clobbers): Take three tree
9581         parameters.
9582         * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
9583         * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
9584         parameters, first two unused.
9585         * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
9586         parameters.  Only add MOF to clobbers if there's no 'h' mentioned
9587         in constraint letters and MOF is not mentioned as a asm-declared
9588         register in neither of the input and output lists.
9589
9590 2005-03-23  DJ Delorie  <dj@redhat.com>
9591
9592         * optabs.c (expand_binop): Make sure the first subword's result
9593         gets stored.
9594
9595 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
9596
9597         * c-common.c (c_common_truthvalue_conversion): Adjust comment.
9598         Call c_common_truthvalue_conversion rather than
9599         lang_hooks.truthvalue_conversion.
9600         * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
9601         * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
9602         c-typeck.c.
9603         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
9604         c_common_truthvalue_conversion.
9605         * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
9606         c_parser_conditional_expression, c_parser_binary_expression): Call
9607         c_objc_common_truthvalue_conversion.
9608         * c-typeck.c (build_unary_op): Call
9609         c_objc_common_truthvalue_conversion.
9610         (build_conditional_expr): Do not call
9611         lang_hooks.truthvalue_conversion.
9612         (build_binary_op): Call c_common_truthvalue_conversion.
9613         (c_objc_common_truthvalue_conversion): Moved from
9614         c-objc-common.c.  Call default_function_array_conversion instead
9615         of default_conversion.
9616
9617 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
9618
9619         * c-common.h (default_conversion): Remove.
9620         (perform_integral_promotions): Add.
9621         * c-tree.h (default_conversion): Add.
9622         * c-typeck.c (perform_integral_promotions): New, split out from
9623         default_conversion.
9624         * c-common.c (check_case_value): Use perform_integral_promotions,
9625         not default_conversion.
9626         (c_add_case_label): Don't continue processing case label after
9627         found to be pointer.
9628
9629 2005-03-23  Mark Mitchell  <mark@codesourcery.com>
9630
9631         * gcc.c (do_spec_1): Do not add a -L path for a directory in
9632         the prefix list if we have already added a multilib directory
9633         based on that path.
9634         (main): Do not add MD_EXEC_PREFIX to the list of directories to
9635         search with -L.
9636
9637 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
9638
9639         * reload1.c (indirect_symref_ok, reload_obstack): Make them
9640         static.
9641         * reload.h: Remove the prototype for indirect_symref_ok.
9642
9643         * reload1.c (indirect_symref_ok): Make it global.
9644         * reload.h: Add a prototype for indirect_symref_ok.
9645
9646 2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
9647
9648         * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
9649         ashlhi3 expander.
9650
9651 2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
9652
9653         * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
9654
9655 2005-03-22  Daniel Berlin  <dberlin@dberlin.org>
9656
9657         * c-opts.c (c_common_parse_file): Only start/end main source file
9658         if debug hooks says the writer wants it.
9659         * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
9660         member.
9661         (xcoff_debug_hooks): Ditto.
9662         * debug.c (do_nothing_hooks): Ditto.
9663         * debug.h (gcc_debug_hooks): Ditto.
9664         * dwarf2out.c (dwarf2_debug_hooks): Ditto.
9665         * sdbout.c (sdb_debug_hooks): Ditto.
9666         * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
9667
9668 2005-03-22  Mark Mitchell  <mark@codesourcery.com>
9669
9670         * doc/extend.texi: Deprecate C++ min/max operators.
9671
9672 2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>
9673
9674         * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
9675         artificial original candidates.
9676
9677 2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
9678             Jan Hubicka  <jh@suse.cz>
9679             Steven Bosscher <stevenb@suse.de>
9680
9681         * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
9682         call cost based on argument sizes.
9683         (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
9684         inlining.
9685         * params.def: (max-inline-inssn-single): Set to 450.
9686         (max-inline-insns-auto): Set to 90.
9687         (max-inline-insns-recursive): Set to 450
9688         (max-inline-insns-recursive-auto): Set to 450.
9689         (large-function-insns): Set to 2700.
9690         (inline-call-cost): New parameter.
9691         * tree-inline.c (estimate_move_cost): New function.
9692         (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
9693         for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
9694         based on arguments.
9695         * tree-inline.h (estimate_move_cost): Declare.
9696         * invoke.texi: (max-inline-inssn-single): Change default to 450.
9697         (max-inline-insns-auto): Change default to 90.
9698         (max-inline-insns-recursive): Change default to 450
9699         (max-inline-insns-recursive-auto): Change default to 450.
9700         (large-function-insns): Change default to 2700.
9701         (inline-call-cost): Document new parameter.
9702
9703 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
9704
9705         * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
9706         (TARGET_DEFAULT): Delete.
9707         * config/i860/i860.opt: New file.
9708
9709 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
9710
9711         * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
9712         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
9713         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
9714         (frv_sched_lookahead): Delete.
9715         * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
9716         (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
9717         (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
9718         (MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
9719         (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
9720         (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
9721         (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
9722         (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
9723         (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
9724         (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
9725         (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
9726         (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
9727         (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
9728         (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
9729         (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
9730         (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
9731         (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
9732         (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
9733         (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
9734         (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
9735         (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
9736         (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
9737         * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
9738         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
9739         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
9740         (frv_sched_lookahead): Delete.
9741         (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
9742         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
9743         (frv_handle_option): New function.  Move -mcpu= handling from...
9744         (frv_override_options): ...here.  Remove handling of other
9745         TARGET_OPTIONS.
9746         (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
9747         TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
9748         (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
9749         and TARGET_NO_MULTI_CE.
9750         (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
9751         !TARGET_VLIW_BRANCH.
9752         * config/frv/frv.opt: New file.
9753
9754 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
9755
9756         * fold-const.c (fold_ternary): Take decomposed arguments of
9757         CALL_EXPR.
9758         (fold): Update a call to fold_ternary.
9759
9760         * fold-const.c (fold_build1, fold_build2, fold_build3): New.
9761         * tree.h: Add corresponding prototypes.
9762
9763 2005-03-22  Jakub Jelinek  <jakub@redhat.com>
9764
9765         PR target/20561
9766         * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
9767         between jump table and its label.
9768         * final.c (shorten_branches): Handle notes in between ADDR_VEC
9769         resp. ADDR_DIFF_VEC and the label preceeding it.
9770         (final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
9771         is emitted in the right section.
9772
9773 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
9774
9775         * fold-const.c (fold_unary, fold_binary): Update comments
9776         about arguments.
9777
9778 2005-03-22  Hans-Peter Nilsson  <hp@axis.com>
9779
9780         PR rtl-optimization/20527
9781         * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
9782         REG_INC note, test that the register also isn't mentioned in PRED
9783         or SUCC.
9784
9785 2005-03-22  Ben Elliston  <bje@au.ibm.com>
9786
9787         * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
9788         and definition.
9789
9790 2005-03-21  Mike Stump  <mrs@apple.com>
9791
9792         * varasm.c (default_assemble_visibility): Remove extra ().
9793
9794 2005-03-21  Roger Sayle  <roger@eyesopen.com>
9795
9796         PR middle-end/20557
9797         * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
9798         to determine whether a block can be duplicated, rather than test
9799         whether the block contains noncopyable insns ourselves.
9800
9801 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
9802
9803         * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
9804         predicates.
9805
9806 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
9807
9808         * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
9809
9810 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
9811
9812         * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
9813         (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
9814         * config/fr30/fr30.opt: New file.
9815
9816 2005-03-18  Daniel Berlin  <dberlin@dberlin.org>
9817
9818         Fix PR tree-optimization/20542
9819
9820         * tree-flow-inline.h (overlap_subvar): Move to here.
9821         * tree-ssa-operands.c: From here.
9822         * tree-flow.h (overlap_subvar): Declare.
9823         * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
9824         * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
9825         for variables with subvars.
9826
9827 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
9828
9829         PR middle-end/20177
9830         * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
9831         * modulo-sched.c (const_iteration_count): Return on NULL
9832         pre-header.
9833         (print_node_sched_params): Return on NULL dump_file.
9834         (generate_reg_moves): Handle reg-anti dependencies and disregard
9835         closing branch when generating register moves.
9836         (sms_schedule): Mark the SMSed block dirty.
9837         * passes.c (rest_of_handle_sms): Call update_life_info for all
9838         basic-blocks.
9839         * testsuite/gcc.dg/20050321-1.c: New test.
9840
9841 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
9842
9843         * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
9844         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
9845         movqi_internal): Likewise.
9846
9847 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
9848
9849         * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
9850         xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
9851         xtensa_b4const): Delete prototypes.
9852         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
9853         xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
9854         (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
9855         xtensa_extra_constraint): New prototypes.
9856         (add_operand, arith_operand, nonimmed_operand, mem_operand,
9857         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
9858         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
9859         move_operand, const_float_1_operand, fpmem_offset_operand,
9860         branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
9861         * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
9862         (xtensa_b4const_or_zero): ...this.  Change return type to bool and
9863         argument type to HOST_WIDE_INT.
9864         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
9865         xtensa_mask_immediate): Likewise.
9866         (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
9867         Likewise.  Also make these functions static.
9868         (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
9869         (xtensa_const_ok_for_letter_p): New.
9870         (add_operand, arith_operand, nonimmed_operand, mem_operand,
9871         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
9872         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
9873         move_operand, const_float_1_operand, fpmem_offset_operand,
9874         branch_operator, ubranch_operator, boolean_operator): Move to
9875         predicates.md.
9876         (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
9877         (xtensa_mem_offset): Change return type to bool.
9878         (xtensa_extra_constraint): New.
9879         (gen_int_relational): Update type of const_range_p function pointer.
9880         Use xtensa_b4const_or_zero.
9881         * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
9882         xtensa_const_ok_for_letter_p.  Update comments.
9883         (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
9884         (PREDICATE_CODES): Delete.
9885         * config/xtensa/xtensa.md: Include predicates.md.
9886         * config/xtensa/predicates.md: New file.
9887
9888 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
9889
9890         * config/v850/v850-protos.h: Remove the prototypes for
9891         reg_or_int9_operand, reg_or_const_operand,
9892         pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
9893         reg_or_0_operand, reg_or_int5_operand, call_address_operand,
9894         movsi_source_operand, power_of_two_operand,
9895         not_power_of_two_operand, special_symbolref_operand,
9896         pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
9897         register_is_ok_for_epilogue.
9898         * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
9899         reg_or_int9_operand, reg_or_const_operand,
9900         call_address_operand, special_symbolref_operand,
9901         movsi_source_operand, power_of_two_operand,
9902         not_power_of_two_operand, register_is_ok_for_epilogue,
9903         pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
9904         pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
9905         predicates.md.
9906         * config/v850/v850.h (PREDICATE_CODES): Remove.
9907         * config/v850/v850.md: Include predicates.md.
9908         * config/v850/predicates.md: New.
9909
9910 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
9911
9912         * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
9913         (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
9914         (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
9915         (itoolsdir, itoolsdatadir): Move definition above new first use.
9916         (install-itoolsdirs): New rule.
9917         (install-mkheaders): Depend on install-itoolsdirs, not
9918         install-include-dir.
9919
9920 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
9921
9922         * tree-into-ssa.c: Remove obsolete comments.
9923
9924 2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
9925
9926         * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
9927         unrolling if -fpeel-loops is specified, too.
9928         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
9929         Remove superfluous check for flag_unroll_loops.
9930
9931 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
9932
9933         * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
9934         (lrint_optab, llrint_optab): Define corresponding macros.
9935         * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
9936         * genopinit.c (optabs): Implement lrint_optab using lrintsi2
9937         pattern and llrint_optab using llrintdi2 patterns.
9938         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
9939         using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
9940         (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
9941         BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
9942         flag_unsafe_math_optimizations is set.
9943
9944 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
9945
9946         * combine.c (combine_simplify_rtx, simplify_if_then_else,
9947         simplify_logical, if_then_else_cond, known_cond,
9948         simplify_comparison): Adjust calls to reverse_comparison.
9949         Don't use combine_reversed_comparison_code).
9950         (combine_reversed_comparison_code): Remove.
9951         (reversed_comparison): Using reversed_comparison_code, move it...
9952         * jump.c (reversed_comparison): ... here.
9953         * rtl.h (reversed_comparison): Add prototype.
9954
9955 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
9956
9957         * builtins.c (fold_builtin): Take decomposed arguments of
9958         CALL_EXPR.
9959         * fold-const.c (fold_ternary): Update a call to fold_builtin.
9960         * gimplify.c (gimplify_call_expr): Likewise.
9961         * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
9962         * tree.h: Update the prototype of fold_builtin.
9963
9964 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
9965
9966         * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
9967         * rtlhooks.c (gen_lowpart_no_emit_general): New.
9968         * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
9969         (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
9970         * simplify-rtx.c (simplify_binary_operation_1): Use it.
9971
9972 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
9973
9974         * builtins.c (fold_builtin_1): Take decomposed arguments of
9975         CALL_EXPR.
9976         (fold_builtin): Update a call to fold_builtin_1.
9977
9978 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
9979
9980         PR other/20564
9981         * gcov.c (output_lines): Only output function block summary when
9982         outputting branch information.
9983         * doc/gcov.texi: Document format of preamble and additional block
9984         information lines.
9985
9986 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
9987
9988         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
9989         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
9990         the defaults false if BITS_PER_UNIT != 8.
9991         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
9992         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
9993         than BITS_PER_UNIT != 8.
9994         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
9995         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
9996         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
9997         #undefs.
9998         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
9999         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
10000
10001 2005-03-20  Roger Sayle  <roger@eyesopen.com>
10002
10003         PR middle-end/20539
10004         * fold-const.c (fold_binary): Fix type mismatch between
10005         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
10006         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
10007         for non-truth-valued expressions.
10008
10009         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
10010         and FUNCTION_DECL in the main switch.
10011         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
10012         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
10013         we also need to convert their operands to match.
10014         <TRUTH_NOT_EXPR>: Likewise.
10015
10016 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
10017
10018         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
10019         diagnostic without checking whether an lvalue.
10020         * c-common.h (lvalue_p): Remove.
10021         (enum lvalue_use): Update comment.
10022         (lvalue_or_else): Replace by lvalue_error.
10023         * c-typeck.c (lvalue_p): Make static.
10024         (lvalue_or_else): New.  Call lvalue_error.
10025
10026 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
10027
10028         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
10029         (function_arg_advance): Use rs6000_parm_start.
10030         (function_arg, rs6000_arg_partial_bytes): Likewise.
10031
10032 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
10033
10034         * c-common.c (check_case_value): Adjust comment about stripping
10035         NOPs.
10036         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
10037         * c-typeck.c (default_conversion, convert_arguments,
10038         build_modify_expr, convert_for_assignment, store_init_value,
10039         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
10040         manually.  Remove inaccurate comments.
10041
10042 2005-03-20  Roger Sayle  <roger@eyesopen.com>
10043             Joseph S. Myers  <joseph@codesourcery.com>
10044
10045         * varasm.c (do_assemble_alias): Restore comment describing function.
10046         Annotate the target parameter as potentially unused.
10047
10048 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
10049
10050         PR target/18551
10051         * config/avr/avr.c (avr_output_function_prologue): Do not use
10052         current_function_name() in a label, use a local label instead.
10053
10054 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
10055
10056         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
10057         flag_finite_math_only, not flag_unsafe_math_optimizations.
10058
10059 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
10060
10061         * builtins.c (fold_builtin_1): Update a call to
10062         targetm.fold_builtin.
10063         * hooks.c (hook_tree_tree_bool_null): Rename to
10064         hook_tree_tree_tree_bool_null.  Take one more argument of type
10065         tree.
10066         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
10067         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
10068         hook_tree_tree_tree_bool_null.
10069         * target.h (gcc_target): Update the prototype of fold_builtin.
10070         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
10071         arguments of CALL_EXPR.
10072         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
10073         new prototype.
10074
10075 2005-03-20  Jan Hubicka  <jh@suse.cz>
10076
10077         * cgraph.h (cgraph_node): Add prev_clone pointer.
10078         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
10079         (cgraph_clone_node): Produce doubly linked chain.
10080
10081 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
10082
10083         * c-common.c (handle_aligned_attribute, check_function_sentinel,
10084         get_nonnull_operand, handle_sentinel_attribute,
10085         check_function_arguments_recurse): Do not strip NOPS from
10086         INTEGER_CSTs.
10087         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
10088         Likewise.
10089         * c-format.c (get_constant): Likewise.
10090         * c-parser.c (c_parser_postfix_expression): Likewise.
10091         * c-typeck.c (set_init_index): Likewise.
10092         (convert_arguments): Don't check for NOP_EXPR containing integer
10093         constant.
10094
10095 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
10096
10097         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
10098         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
10099         Take decomposed arguments of CALL_EXPR.
10100         (fold_builtin_1): Update calls to the functions mentioned
10101         above.
10102
10103 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
10104
10105         * c-decl.c (check_bitfield_type_and_width): Require bit-field
10106         width to have integer type.
10107         (build_enumerator): Require enumerator value to have integer type.
10108
10109 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
10110
10111         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
10112         to __builtin_inff.
10113
10114 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
10115
10116         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
10117         std=iso9899:199x): Correct descriptions.
10118
10119 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
10120
10121         * config.gcc: Consistently use solaris2.1[0-9]* instead of
10122         solaris2.1[0-9].
10123
10124 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
10125
10126         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
10127         of CALL_EXPR.
10128         (expand_builtin_memcpy, fold_builtin_1): Update calls to
10129         fold_builtin_memcpy.
10130
10131         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
10132         arguments of CALL_EXPR.
10133         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
10134         fold_builtin_found, fold_builtin_1): Update calls to
10135         fold_trunc_transparent_mathfn.
10136
10137 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10138
10139         PR middle-end/20493
10140         * fold-const.c (fold_widened_comparison): Don't optimize casts of
10141         function pointers on targets that require function pointer
10142         canonicalization.
10143         (fold_sign_changed_comparison): Likewise.
10144
10145 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
10146
10147         * combine.c (try_combine): When changing the mode of a hard reg, make
10148         sure that doing so is valid.
10149
10150 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
10151
10152         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
10153         (TARGET_HANDLE_OPTION): Override default.
10154         (avr_handle_option): New function.
10155         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
10156         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
10157         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
10158         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
10159         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
10160         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
10161         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
10162         (TARGET_OPTIONS): Delete.
10163         * config/avr/avr.opt: New file.
10164
10165 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
10166
10167         * config/m32r/m32r-protos.h: Remove the prototypes for
10168         call_address_operand, symbolic_operand, seth_add3_operand,
10169         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
10170         reg_or_uint16_operand, reg_or_cmp_int16_operand,
10171         two_insn_const_operand, move_src_operand,
10172         move_double_src_operand, move_dest_operand,
10173         eqne_comparison_operator, signed_comparison_operator,
10174         large_insn_p, conditional_move_operand, carry_compare_operand,
10175         m32r_block_immediate_operand, extend_operand,
10176         reg_or_eq_int16_operand, int8_operand, and
10177         reg_or_zero_operand.
10178         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
10179         seth_add3_operand, int8_operand, cmp_int16_operand,
10180         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
10181         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
10182         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
10183         move_double_src_operand, move_dest_operand,
10184         eqne_comparison_operator, signed_comparison_operator,
10185         extend_operand, small_insn_p, large_insn_p,
10186         conditional_move_operand, carry_compare_operand,
10187         m32r_block_immediate_operand): Move to predicates.md.
10188         (MAX_MOVE_BYTES): Move to m32r.h.
10189         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
10190         * config/m32r/m32r.md: Include predicates.md.
10191         * config/m32r/predicates.md: New.
10192
10193 2005-03-18  James E Wilson  <wilson@specifixinc.com>
10194
10195         PR c++/19769
10196         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
10197         origin.
10198
10199 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
10200
10201         * config/mn10300/mn10300-protos.h: Remove the prototypes for
10202         call_address_operand, const_8bit_operand.
10203         * config/mn10300/mn10300.c (call_address_operand,
10204         const_8bit_operand, const_1f_operand): Move to predicates.md.
10205         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
10206         * config/mn10300/mn10300.md: Include predicates.md.
10207         * config/mn10300/predicates.md: New.
10208
10209 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
10210
10211         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
10212         declarations in diagnostics and %E for identifiers, not %s.
10213
10214 2005-03-18  Jan Hubicka  <jh@suse.cz>
10215             Dale Johannesen  <dalej@apple.com>
10216
10217         * basic-block.h (scale_bbs_frequencies_int,
10218         scale_bbs_frequencies_gcov_type): Declare.
10219         * cfg.c (RDIV): New macro.
10220         (update_bb_frequency_for_threading): Fix.
10221         * basic-block.h (scale_bbs_frequencies_int,
10222         scale_bbs_frequencies_gcov_type): New.
10223         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
10224         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
10225         scale_bbs_frequencies_int.
10226         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
10227
10228 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
10229
10230         * config/m32r/m32r-protos.h: Remove the prototypes for
10231         call_address_operand, symbolic_operand, seth_add3_operand,
10232         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
10233         reg_or_uint16_operand, reg_or_cmp_int16_operand,
10234         two_insn_const_operand, move_src_operand,
10235         move_double_src_operand, move_dest_operand,
10236         eqne_comparison_operator, signed_comparison_operator,
10237         large_insn_p, conditional_move_operand, carry_compare_operand,
10238         m32r_block_immediate_operand, extend_operand,
10239         reg_or_eq_int16_operand, int8_operand, and
10240         reg_or_zero_operand.
10241         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
10242         seth_add3_operand, int8_operand, cmp_int16_operand,
10243         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
10244         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
10245         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
10246         move_double_src_operand, move_dest_operand,
10247         eqne_comparison_operator, signed_comparison_operator,
10248         extend_operand, small_insn_p, large_insn_p,
10249         conditional_move_operand, carry_compare_operand,
10250         m32r_block_immediate_operand): Move to predicates.md.
10251         (MAX_MOVE_BYTES): Move to m32r.h.
10252         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
10253         * config/m32r/m32r.md: Include predicates.md.
10254         * config/m32r/predicates.md: New.
10255
10256         * config/pa/pa-protos.h: Add prototypes for magic_milli and
10257         shadd_constant_p.
10258         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
10259         symbolic_operand, symbolic_memory_operand,
10260         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
10261         indexed_memory_operand, move_dest_operand, move_src_operand,
10262         prefetch_cc_operand, prefetch_nocc_operand,
10263         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
10264         arith_operand, arith11_operand, pre_cint_operand,
10265         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
10266         ireg_operand, int5_operand, uint5_operand, int11_operand,
10267         uint32_operand, arith5_operand, and_operand, ior_operand,
10268         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
10269         pc_or_label_operand, div_operand, plus_xor_ior_operator,
10270         shadd_operand, movb_comparison_operator,
10271         cmpib_comparison_operator): Move to predicates.md.
10272         (magic_milli, shadd_constant_p): Make it extern.
10273         * config/pa/pa.h (PREDICATE_CODES): Remove.
10274         * config/pa/pa.md: Include predicates.md.
10275         * config/pa/predicates.md: New.
10276
10277         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
10278         predicate.
10279
10280 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
10281
10282         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
10283         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
10284         config/alpha/freebsd.h, config/alpha/linux.h,
10285         config/alpha/netbsd.h, config/alpha/osf5.h,
10286         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
10287         config/h8300/h8300-protos.h, config/h8300/h8300.c,
10288         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
10289         doc/cppopts.texi: Update copyright.
10290
10291 2005-03-18  Jan Hubicka  <jh@suse.cz>
10292
10293         PR middle-end/20225
10294         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
10295         too late.
10296         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
10297         called too late.
10298
10299 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
10300
10301         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
10302         VEC_safe_push.
10303
10304 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
10305
10306         * combine.c (gen_binary): Remove.
10307         (known_cond, simplify_shift_const, find_split_point,
10308         combine_simplify_rtx, simplify_if_then_else, simplify_set,
10309         simplify_logical, expand_field_assignment, extract_left_shift,
10310         force_to_mode, if_then_else_cond, apply_distributive_law,
10311         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
10312         simplify_comparison, reversed_comparison): Replace with
10313         simplify_gen_binary, simplify_gen_relational or
10314         distribute_and_simplify_rtx.
10315         (distribute_and_simplify_rtx): New function.
10316
10317 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
10318             Paolo Bonzini  <gcc.gnu.org>
10319
10320         * calls.c (setjmp_call_p, special_function_p): Update comments
10321         at the head of the functions.
10322
10323 2005-03-18  Jan Hubicka  <jh@suse.cz>
10324
10325         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
10326
10327         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
10328         function body should be released; do not proactively release function
10329         bodies in non-unit-at-a-time mode.
10330
10331 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
10332
10333         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
10334         mno-fp-ret-in-387 multilib variants.
10335
10336 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
10337
10338         * common.opt (m): Remove.
10339         * opts.c (handle_option): Pass 'm' options to set_target_switch if
10340         table lookup fails.
10341         (common_handle_option): Remove OPT_m case.
10342
10343 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
10344
10345         * builtins.c (fold_builtin_bitop): Take decomposed arguments
10346         of CALL_EXPR.
10347         (fold_builtin_1): Update a call to fold_builtin_bitop.
10348
10349         * builtins.c (fold_builtin_signbit): Take decomposed arguments
10350         of CALL_EXPR.
10351         (fold_builtin_1): Update a call to fold_builtin_signbit.
10352
10353 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
10354
10355         PR tree-optimization/20474
10356         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
10357         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
10358
10359 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
10360
10361         * config/h8300/h8300-protos.h: Remove prototypes for
10362         general_operand_src, general_operand_dst, single_one_operand,
10363         single_zero_operand, call_insn_operand,
10364         two_insn_adds_subs_operand, small_call_insn_operand,
10365         jump_address_operand, bit_operand, bit_memory_operand,
10366         stack_pointer_operand, const_int_gt_2_operand,
10367         const_int_ge_8_operand, const_int_qi_operand,
10368         const_int_hi_operand, incdec_operand, bit_operator,
10369         nshift_operator, eqne_operator, gtle_operator,
10370         gtuleu_operator, iorxor_operator.
10371         Add prototypes for h8sx_shift_type h8sx_classify_shift and
10372         h8300_ldm_stm_parallel.
10373         * config/h8300/h8300.c (h8sx_shift_type,): Move to
10374         h8300-protos.h.
10375         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
10376         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
10377         (h8300_ldm_stm_parallel): Make it extern.
10378         (h8300_ldm_parallel, h8300_stm_parallel,
10379         h8300_return_parallel, general_operand_src,
10380         general_operand_dst, h8300_dst_operand, h8300_src_operand,
10381         nibble_operand, reg_or_nibble_operand, single_one_operand,
10382         single_zero_operand, call_insn_operand,
10383         two_insn_adds_subs_operand, small_call_insn_operand,
10384         jump_address_operand, bit_operand, bit_memory_operand,
10385         stack_pointer_operand, const_int_gt_2_operand,
10386         const_int_ge_8_operand, const_int_qi_operand,
10387         const_int_hi_operand, incdec_operand, eqne_operator,
10388         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
10389         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
10390         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
10391         nshift_operator): Move to predicates.md.
10392         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
10393         * config/h8300/h8300.md: Include predicates.md.
10394         * config/h8300/predicates.md: New.
10395
10396 2005-03-17  Richard Henderson  <rth@redhat.com>
10397
10398         * config.gcc (ia64*-*-hpux*): Add extra_options.
10399         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
10400         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
10401         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
10402         (ia64_tls_size_string, ia64_tune_string): Remove.
10403         (ia64_tune): Init to PROCESSOR_ITANIUM2.
10404         (TARGET_DEFAULT_TARGET_FLAGS): New.
10405         (TARGET_HANDLE_OPTION): New.
10406         (ia64_override_options): Move options parsing ...
10407         (ia64_handle_option): ... here.  New.
10408         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
10409         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
10410         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
10411         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
10412         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
10413         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
10414         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
10415         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
10416         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
10417         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
10418         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
10419         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
10420         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
10421         TARGET_EARLY_STOP_BITS): Remove.
10422         (TARGET_ILP32): Default false.
10423         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
10424         (enum ia64_inline_type): New.
10425         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
10426         * config/ia64/ia64.md: Update for new definitions of
10427         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
10428         * config/ia64/ia64.opt: New file.
10429         * config/ia64/ilp32.opt: New file.
10430
10431 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
10432
10433         PR target/18380
10434         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
10435
10436 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
10437
10438         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
10439         instead of MASK_H8300S.
10440         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
10441         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
10442         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
10443         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
10444         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
10445         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
10446         TARGET_SWITCHES): Remove.
10447         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
10448         TARGET_H8300SX.
10449         * config/h8300/h8300.opt: New.
10450
10451         * config/alpha/alpha.opt, config/arc/arc.opt,
10452         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
10453         notices.
10454
10455 2005-03-17  Ian Lance Taylor  <ian@airs.com>
10456
10457         * gmon.c: Remove.
10458
10459 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
10460
10461         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
10462         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
10463         (TARGET_HANDLE_OPTION): Override default.
10464         (arc_handle_option): New function.
10465         (arc_init): Remove code to set arch_cpu_string.
10466         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
10467         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
10468         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
10469         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
10470         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
10471         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
10472         (arc_rodata_string, TARGET_OPTIONS): Delete.
10473         * config/arc/arc.opt: New file.
10474
10475 2005-03-17  Richard Henderson  <rth@redhat.com>
10476
10477         * doc/extend.texi (Weak Pragmas): New section.
10478         (attribute alias): Clarify that target must be in the same
10479         translation unit.
10480
10481 2005-03-17  Richard Henderson  <rth@redhat.com>
10482
10483         * config/alpha/alpha.opt: New file.
10484         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
10485         of alpha_cpu.
10486         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
10487         alpha_fprm_string, alpha_fptm_string): Make static.
10488         (alpha_tls_size_string): Remove.
10489         (alpha_handle_option): New.
10490         (override_options): Update for alpha_cpu/alpha_tune split.
10491         (alpha_file_start): Likewise.
10492         (TARGET_DEFAULT_TARGET_FLAGS): New.
10493         (TARGET_HANDLE_OPTION): New.
10494         * config/alpha/alpha.h (alpha_tune): Declare.
10495         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
10496         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
10497         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
10498         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
10499         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
10500         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
10501         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
10502         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
10503         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
10504         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
10505         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
10506         (TARGET_DEFAULT): Remove MASK_FP.
10507         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
10508         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
10509         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
10510         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
10511         alpha_tls_size_string): Remove.
10512         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
10513         (attribute tune): Rename from attribute cpu.
10514         * config/alpha/ev4.md: Update to match.
10515         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
10516         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
10517         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
10518         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
10519         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
10520         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
10521
10522 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
10523
10524         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
10525         and return without creating new state if before_nops_num is nonzero.
10526         * config/ia64/ia64.md (first_insn): New attribute.
10527         (alloc): Set it to yes.
10528
10529 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
10530
10531         * tree-vectorizer.c (new_vec_stmt_info): Initialize
10532         STMT_VINFO_SUBVARS to NULL.
10533         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
10534
10535 2005-03-16 Dale Johannesen  <dalej@apple.com>
10536
10537         * rtlanal.c (find_first_parameter_load):  Rewrite to
10538         return actual first param load or the call if none,
10539         instead of first in block, when not all loads exist.
10540
10541 2005-03-16  Roger Sayle  <roger@eyesopen.com>
10542
10543         * optabs.c (expand_copysign_absneg): Make static.
10544         * optabs.h (expand_copysign_absneg): Delete prototype.
10545         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
10546
10547 2005-03-16  Richard Henderson  <rth@redhat.com>
10548
10549         PR middle-end/15700
10550         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
10551         (alias_pairs): Rename from output_defs.
10552         (find_decl_and_mark_needed): Split out from assemble_alias.
10553         (do_assemble_alias): New.
10554         (assemble_output_def): Remove.
10555         (finish_aliases_1, finish_aliases_2): New.
10556         (process_pending_assemble_output_defs): Remove.
10557         (assemble_alias): Defer aliases for which we don't yet have a
10558         non-external decl for the target symbol.
10559         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
10560         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
10561         * toplev.c (compile_file): Use finish_aliases_2 instead of
10562         process_pending_assemble_output_defs.
10563         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
10564         (process_pending_assemble_output_defs): Remove.
10565
10566 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
10567
10568         Fix PR tree-optimization/20489
10569
10570         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
10571         for empty structures.
10572
10573 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
10574
10575         Fix PR tree-optimization/20490
10576
10577         * tree-ssa-pre.c (create_expression_by_pieces): Use
10578         force_gimple_operand on result of fold.
10579
10580 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
10581
10582         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
10583         of closing parenthesis.
10584
10585 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
10586
10587         * builtins.c (expand_movstr): Update a call to
10588         fold_builtin_strcpy.
10589         (expand_builtin_strncpy): Update a call to
10590         fold_builtin_strncpy.
10591         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
10592         arguments of CALL_EXPR.
10593         (fold_builtin_1): Update calls to fold_builtin_strcpy and
10594         fold_builtin_strncpy.
10595         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
10596         * tree.h: Update the prototypes of fold_builtin_strcpy and
10597         fold_builtin_strncpy.
10598
10599 2005-03-16  Steven Bosscher  <stevenb@suse.de>
10600             Dorit Naishlos  <dorit@il.ibm.com>
10601
10602         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
10603         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
10604         error.
10605
10606 2005-03-16  Steven Bosscher  <stevenb@suse.de>
10607
10608         * tree-inline.c (walk_type_fields, walk_tree,
10609         walk_tree_without_duplicates): Move from here...
10610         * tree.c: ...to here.
10611
10612 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
10613
10614         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
10615         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
10616         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
10617         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
10618         (version): Define using $(BASEVER_c).
10619         (Makefile, config.status, build/gcov-iov.o): No longer depends on
10620         version.c.
10621         (version.o): Depend on version files; add custom generation command.
10622         (prefix.o): Define BASEVER on command line.
10623         (s-iov): Depend on version files; adjust command.
10624         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
10625         Add gcc-vers.texi.
10626         (gcc-vers.texi): New rule.
10627         (doc/%.info, doc/%.dvi): Add -I . to command line.
10628         (doc/gccinstall.dvi): Likewise.
10629         (PACKAGE): Delete.  All uses replaced with "gcc".
10630         * aclocal.m4: Do not include gcc-version.m4.
10631         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
10632         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
10633         Set is_release based on contents of DEV-PHASE.
10634         Set gcc_version based on contents of BASE-VER.
10635         Define WIN32_REGISTRY_KEY only if the user overrode the default.
10636         * config.in, configure: Regenerate.
10637         * gccbug.in: Determine version of GCC in use at runtime.
10638         * gcov-iov.c: Get version number and development phase from
10639         command line, not by including version.c.
10640         * intl.c: Replace all uses of PACKAGE with "gcc".
10641         * libada-mk.in: Delete unused "gcc_version" variable.
10642         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
10643         * version.c: (VERSUFFIX): New hook for redistributors; adjust
10644         commentary to match.
10645         (version_string): Put together from pieces.
10646         * config/alpha/x-vms: Do not use $(gcc_version).
10647         * config/i386/t-nwld: Likewise.
10648         * doc/include/gcc-common.texi: Include gcc-vers.texi for
10649         version-GCC and DEVELOPMENT.
10650
10651 2005-03-15  Roger Sayle  <roger@eyesopen.com>
10652
10653         PR tree-optimization/17454
10654         * tree.c (tree_size): Add case for TREE_BINFO.
10655         * fold-const.c (fold_checksum_tree): Only clear the overloaded
10656         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
10657
10658 2005-03-15  Roger Sayle  <roger@eyesopen.com>
10659
10660         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
10661         op1 whilst expanding the signed widenening multiply variant.
10662
10663 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
10664
10665         * toplev.c (display_target_options): Avoid unused variable warning if
10666         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
10667         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
10668         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
10669         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
10670         (mips_isa_info): New variable.
10671         (mips_parse_cpu): Remove the first argument and leave the caller
10672         to report errors.
10673         (TARGET_HANDLE_OPTION): Override default.
10674         (mips_handle_option): New function.  Move option validation code from...
10675         (override_options): ...here.  Update calls to mips_parse_cpu.
10676         * config/mips/mips.h (mips_arch_string, mips_tune_string)
10677         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
10678         (SUBTARGET_TARGET_OPTIONS): Delete.
10679         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
10680         (mno-flush-func, mtune=): New options.
10681
10682 2005-03-15  Roger Sayle  <roger@eyesopen.com>
10683             Richard Henderson  <rth@redhat.com>
10684
10685         * real.c (c4x_single_format, c4x_extended_format): Provide values
10686         for signbit_ro for c4x's single and extended floating point formats.
10687         * optabs.c (expand_copysign): Use the floating point format's
10688         signbit_ro for expanding via expand_copysign_absneg, and it's
10689         signbit_rw field for expanding via expand_copysign_bit.
10690
10691 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
10692
10693         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
10694         known_alignment_for_access_p.
10695         (known_alignment_for_access_p): New.
10696         (do_peeling_for_alignment): Field made int instead of bool and renamed
10697         to peeling_for_alignment.
10698         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
10699         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
10700         functionality used to be in vect_analyze_operations.
10701         (vect_analyze_operations): Code to determine vectorization factor was
10702         moved to vect_determine_vectorization_factor.
10703         (vect_enhance_data_refs_alignment): Update to correct alignment when it
10704         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
10705         factor.
10706         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
10707         be part of vect_analyze_operations).
10708         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
10709         creating the guard condition, as the number of iterations may be
10710         constant.
10711         (slpeel_tree_peel_loop_to_edge): Use new name of
10712         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
10713         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
10714         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
10715         (vect_do_peeling_for_alignment): Use fold.
10716         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
10717
10718         (vect_update_inits_of_dr): Renamed to
10719         vect_update_init_of_dr.
10720         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
10721         (vectorizable_store): Fix assertion to use == instead of =.
10722
10723 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
10724
10725         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
10726         call_used_regs for wCG registers.
10727
10728 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
10729
10730         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
10731         for non-offsettable memory references to cope with outstanding reload
10732         replacements, take 2.
10733
10734 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
10735
10736         PR target/18668
10737         * config/i386/i386.h (x86_fisttp): New.
10738         (TARGET_FISTTP): New macro.
10739         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
10740         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
10741         instruction when fisttp flag is set.
10742         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
10743
10744         * config/i386/i386.md (type attribute): Add fisttp.
10745         (unit attribute): Set to i387 for fisttp type.
10746         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
10747         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
10748         TARGET_FISTTP.
10749         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
10750         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
10751         macros.
10752         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
10753         patterns for TARGET_FISTTP.  Enable patterns for
10754         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
10755         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
10756         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
10757         implement fisttp x87 insn.
10758         (fix_trunc*_i387_fisttp splitters): New patterns.
10759         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
10760         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
10761         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
10762         clobber.
10763         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
10764         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
10765         Implement using mode macros. Disable patterns for TARGET_FISTTP.
10766         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
10767         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
10768         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
10769         Disable patterns for TARGET_FISTTP.
10770         (fix_trunc*_i387 splitters): Implement usign mode macros.
10771         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
10772         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
10773         (fix_trunx*_sse peephole2s): Implement using mode macros.
10774
10775 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
10776
10777         PR rtl-optimization/20291
10778         * combine.c (try_combine): If splitting fails, re-try with
10779         original combined pattern, i.e. before clobber stripping.
10780
10781 2005-03-14  Eric Christopher  <echristo@redhat.com>
10782
10783         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
10784         STACK_GROWS_DOWNWARD.
10785
10786 2005-03-14  Roger Sayle  <roger@eyesopen.com>
10787
10788         * real.h (struct real_format): Split the signbit field into two
10789         two fields, signbit_ro and signbit_rw.
10790         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
10791         mips_double_format, ieee_extended_motorola_format,
10792         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
10793         ieee_extended_intel_128_format, ibm_extended_format,
10794         mips_extended_format, ieee_quad_format, mips_quad_format,
10795         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
10796         i370_double_format, c4x_single_format, c4x_extended_format,
10797         real_internal_format): Update initializers for new field.
10798         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
10799         real_format structure.
10800         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
10801         field of the real_format structure.
10802
10803 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
10804
10805         Fix PR tree-optimization/20458
10806
10807         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
10808         DECL_EXTERNAL on STRUCT_FIELD tags.
10809         (clear_call_clobbered): Ditto.
10810         * tree-ssa-operands.c (note_addressable): Make sure the original
10811         variable doesn't slip into the addressable list if we have
10812         subvars.
10813         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
10814         tags too.
10815
10816 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
10817
10818         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
10819         (-fwide-exec-charset): Likewise.
10820         (-finput-charset): Likewise.
10821         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
10822         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
10823         * c.opt (Wnormalized): New.
10824
10825 2005-03-14  Devang Patel  <dpatel@apple.com>
10826
10827         * doc/invoke.texi: Add reference to Visibility document.
10828
10829 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
10830
10831         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
10832         MASK_SPLIT_ADDRESSES.
10833         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
10834         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
10835         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
10836         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
10837         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
10838         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
10839         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
10840         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
10841         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
10842         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
10843         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
10844         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
10845         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
10846         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
10847         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
10848         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
10849         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
10850         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
10851         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
10852         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
10853         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
10854         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
10855         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
10856         (TARGET_EXPLICIT_RELOCS): Delete.
10857         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
10858         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
10859         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
10860         (override_options): Set MASK_LONG64 if -mint64 is given and no
10861         -mlongXX option is.  Complain about -mint64 -mlong32.
10862         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
10863         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
10864         * config/mips/mips.opt: New file.
10865
10866 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
10867
10868         * config.gcc (extra_options): New variable for listing option files.
10869         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
10870         * configure.ac (extra_opt_files): New AC_SUBST variable.
10871         (tm_file_list, tm_include_list): Include options.h first.
10872         * configure: Regenerate.
10873         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
10874         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
10875         (s-options-h): New rule.
10876         (options.h): Depend on it.
10877         (TEXI_GCCINT_FILES): Add options.texi.
10878         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
10879         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
10880         * target.h (gcc_target): Add default_target_flags and handle_option.
10881         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
10882         (TARGET_HANDLE_OPTION): New macros.
10883         (TARGET_INITIALIZER): Include them.
10884         * opt-functions.awk (opt_args, nth_arg): New functions.
10885         (switch_flags): Handle the "Target" flag.
10886         (var_args): Delete.
10887         (var_name): Use opt_args and nth_arg.
10888         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
10889         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
10890         macros for the "Mask" and "InverseMask" options.
10891         * opts.h (cl_var_cond): New enum.
10892         (cl_option): Replace the "has_set_value" and "set_value" fields with
10893         "var_cond" and "var_value".
10894         (CL_TARGET): New macro.
10895         (option_enabled, print_filtered_help): Declare.
10896         (decode_options): Move definition.
10897         * opts.c (handle_option): Search for the original option before
10898         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
10899         var_cond and var_value fields.  Use targetm.handle_option to handle
10900         target options.
10901         (decode_options): Set target_flags to targetm.default_target_flags.
10902         (print_filtered_help): Make global.  Handle CL_TARGET.
10903         (option_enabled): New function.
10904         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
10905         (display_target_options, set_target_switch, print_switch_values)
10906         (default_pch_valid_p): Guard uses of target_switches with
10907         #ifdef TARGET_SWITCHES.  Also...
10908         (display_target_options): Display the CL_TARGET entries in cl_options.
10909         (set_target_option): Don't complain about the "" option when
10910         TARGET_SWITCHES is undefined.
10911         (print_switch_values): Use option_enabled.
10912         (default_pch_valid_p): Check cl_options[] when looking for something
10913         that has changed the value of target_flags.
10914         * c.opt: Remove documentation from top of file.
10915         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
10916         * doc/sourecebuild.texi: Refer to the new options documentation
10917         instead of c.opt.  Document machine-specific .opt files.
10918         * doc/tm.texi (target_flags): Say that this variable is declared
10919         by options.h.
10920         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
10921         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
10922         an alternative.
10923         * doc/options.texi: New file.
10924
10925 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
10926
10927         PR middle-end/18628
10928         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
10929         register.
10930
10931 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
10932
10933         PR c++/20280
10934         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
10935         temporary variable of pointer type if an lvalues is required.
10936         (gimplify_modify_expr_rhs): Request an rvalue from it.
10937         (gimplify_expr): Pass fallback on.
10938
10939 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
10940
10941         * cfgbuild.c: Update comments.
10942
10943 2005-03-14  Roger Sayle  <roger@eyesopen.com>
10944
10945         PR rtl-optimization/17236
10946         * optabs.c (expand_doubleword_mult): New helper function split out
10947         from expand_binop.  Permute the order in which instructions are
10948         emitted to minimize the number of simultaneously live registers.
10949         (expand_binop): Call expand_doubleword_mult to synthesize a double
10950         word multiplication.
10951
10952 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
10953
10954         * basic-block.h: Update the prototypes of cached_make_edge and
10955         rtl_make_eh_edge.
10956         * cfg.c (cached_make_edge): Take edge_cache representing one
10957         row of the adjacency matrix of edges.
10958         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
10959         (make_edges): Initialize edge_cache to represent one row of
10960         the adjacency matrix of edges.
10961
10962 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
10963
10964         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
10965         New functions.
10966         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
10967         Remove unused removed_phis variable.
10968         (conditional_replacement): Use build1/build2.
10969         (abs_replacement): Use last_and_only_stmt and build1/build2.
10970
10971 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
10972
10973         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
10974         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
10975         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
10976         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
10977         * c-common.c (handle_novops_attribute): New function.
10978         (c_common_attribute_table): Add "no vops" entry.
10979         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
10980         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
10981         * tree-ssa-operands.c (get_call_expr_operands): Do not
10982         create virtual operands for calls with ECF_NOVOPS flag.
10983         * tree.h (DECL_IS_NOVOPS): New macro.
10984         (struct tree_decl): Add novops_flag.
10985         (ECF_NOVOPS): New constant.
10986
10987 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
10988
10989         PR target/17688
10990         * config/i386/i386.c (x86_use_himode_fiop): New.
10991         (x86_use_simode_fiop): Rename from x86_use_fiop.
10992         * config/i386/i386.h (x86_use_himode_fiop): Declare.
10993         (TARGET_USE_HIMODE_FIOP): New.
10994         (x86_use_simode_fiop): Rename from x86_use_fiop.
10995         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
10996
10997         * config/i386/i386.md (X87MODEI12): New mode macro define.
10998         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
10999         to implement x87 FP compare with HImode input operands.
11000         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
11001         Use X87MODEI12 mode macro to handle HImode input operands.
11002         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
11003         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
11004         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
11005         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
11006         macro to implement x87 operators with HImode input operands.
11007         (fop splitters): Use X87MODEI12 mode macro to handle HImode
11008         input operands.
11009
11010 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
11011
11012         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
11013         integer_zerop.
11014         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
11015         constants invariant.
11016
11017 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
11018
11019         * basic-block.h (BB_VISITED): Removed.
11020         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
11021
11022 2005-03-14  Falk Hueffner  <falk@debian.org>
11023
11024         PR bootstrap/20424
11025         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
11026
11027 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
11028
11029         * ggc-zone.c: Fix comment typos.
11030
11031         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
11032         stringpool.c, config/mips/mips-protos.h: Update copyright.
11033
11034 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
11035
11036         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
11037         throughout with its typedef, "rtx".
11038         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
11039         (rs6000_tls_symbol_ref_1): Remove inline keyword.
11040         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
11041         regs in comment to match code.
11042
11043 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
11044
11045         * except.c (check_handled): Make it static.
11046         * except.h: Remove the corresponding prototype.
11047
11048         * function.c (get_func_frame_size): Make it static.
11049         * function.h: Remove the corresponding type.
11050
11051         * regclass.c (reg_class_superclasses, reg_class_subclasses):
11052         Make them static.
11053         * hard-reg-set.h: Remove the corresponding declarations.
11054
11055         * tree-cfg.c (verify_stmts): Check that
11056         bb_for_stmt (stmt) == bb for every PHI node and statement.
11057
11058 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
11059
11060         * config.gcc: Remove excess indentation.
11061         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
11062
11063 2005-03-13  Roger Sayle  <roger@eyesopen.com>
11064
11065         PR middle-end/19331
11066         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
11067         * fold-const.c (fold_sign_changed_comparison): Likewise.
11068         (fold_binary): Optimize comparisons against widened operands if
11069         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
11070
11071 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
11072
11073         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
11074         (sparc_override_options): Initialize it.
11075         (sparc_struct_value_rtx): Set it on the MEM to be returned.
11076
11077 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
11078
11079         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
11080         (reg_or_none500mem_operand): New predicate.
11081         (zero_reg_mem_operand): New predicate.
11082         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
11083         to reg_or_none500mem_operand.
11084         (extendsfdf2_fpr): Add MEM alternative.
11085         (extenddftf2_internal): Change operand2 predicate to
11086         zero_reg_mem_operand.
11087
11088 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
11089
11090         * ggc-zone.c: Rewritten.
11091
11092         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
11093         if there are none.
11094         * configure.ac: Define GGC_ZONE for --with-gc=zone.
11095         * config.in: Regenerated.
11096         * configure: Regenerated.
11097         * gengtype.c (write_types_process_field, write_func_for_structure):
11098         Pass new argument to gt_pch_note_object.
11099         * ggc-common.c (struct ptr_data): Add TYPE.
11100         (gt_pch_note_object): Take TYPE argument and save it.
11101         (call_count): Update call to ggc_pch_count_object.
11102         (call_alloc): Update call to ggc_pch_alloc_object.
11103         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
11104         file.
11105         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
11106         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
11107         (ggc_alloc_zone_stat): Delete.
11108         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
11109         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
11110         (ggc_pch_alloc_object): Update prototypes.
11111         (garbage_zone): Delete.
11112         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
11113         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
11114         pointers.
11115         (tree_id_zone): New variable.
11116         (ggc_alloc_cleared_zone): Remove unused.
11117         (ggc_alloc_zone): Define.
11118         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
11119         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
11120         ggc_alloc_zone_stat.
11121         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
11122         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
11123         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
11124         (make_node_stat): Likewise.  Use tree_id_zone.
11125
11126 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
11127             Joseph S. Myers  <joseph@codesourcery.com>
11128
11129         * configure.ac: Check for MIPS TLS.
11130         * configure: Regenerated.
11131         * config/mips/mips-protos.h (enum mips_symbol_type): Add
11132         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
11133         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
11134         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
11135         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
11136         (mips_classify_symbol, mips_symbolic_constant_p)
11137         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
11138         (mips_tls_operand_p, mips_call_tls_get_addr)
11139         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
11140         (mips_tls_symbol_ref_1): New functions.
11141         (mips_legitimize_address, mips_legitimize_const_move): Call
11142         mips_legitimize_tls_address.
11143         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
11144         for MIPS16.
11145         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
11146         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
11147         (mips_char_to_class): Document V1_REG.
11148         (HAVE_AS_TLS): Provide default.
11149         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
11150         constants.
11151         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
11152         !TARGET_ABICALLS.
11153         (tls_get_tp_<mode>): New instruction.
11154
11155 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
11156
11157         * configure.ac: Update checks for target tools.
11158         * configure: Regenerated.
11159
11160 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
11161
11162         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
11163
11164 2005-03-13  Roger Sayle  <roger@eyesopen.com>
11165
11166         * expmed.c (expand_mult): Use synthetic multiplication sequences for
11167         more classes of DImode multiplication by constant.  Allow both
11168         multiplication by small negative constants (by performing a
11169         multiplication by a positive constant and negating the result) and
11170         multiplications by large powers of two, by using a left shift.
11171
11172 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
11173
11174         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
11175         of basic blocks into work_stack.
11176
11177         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
11178         config/mips/vr.h: Update copyright.
11179
11180         * c-decl.c (c_init_decl_processing): Remove useless calls to
11181         build_function_type.
11182
11183         * builtins.c (fold_trunc_transparent_mathfn,
11184         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
11185         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
11186         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
11187         fold_builtin_strcpy, fold_builtin_strncpy,
11188         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
11189         TREE_TYPE (exp).
11190
11191         * builtins.c (expand_builtin_mathfn_3): Remove local variable
11192         before_call.
11193
11194         * lambda-code.c (lambda_compute_auxillary_space): Remove local
11195         variable determinant.
11196
11197         * tree-cfg.c (group_case_labels): Remove local variable type.
11198
11199         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
11200         variable ann.
11201
11202         * tree-ssa-phiopt.c (value_replacement): Remove local variable
11203         result.
11204
11205 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
11206
11207         PR target/18251
11208         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
11209         (*movmemqi_insn): Delete.
11210         (*movmemhi): Delete.
11211
11212 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
11213
11214         * builtins.c (fold_builtin_classify): Take decomposed
11215         arguments of CALL_EXPR.
11216         (fold_builtin_1): Update a call to fold_builtin_classify.
11217
11218 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
11219
11220         PR c/20402
11221         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
11222         through into call to parser_xref_tag after parse error.
11223         (c_parser_struct_declaration): Consistently return NULL_TREE on
11224         error.
11225
11226 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
11227
11228         * tree-flow-inline.h (ref_contains_array_ref): New function.
11229         (lookup_subvars_for_var): Ditto.
11230         (get_subvars_for_var): Ditto.
11231         (var_can_have_subvars): Ditto.
11232
11233         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
11234         (struct subvar): New type.
11235
11236         * tree-dfa.c (okay_component_ref_for_subvars): New function.
11237
11238         * tree-optimize.c (init_tree_optimization_passes): Call
11239         pass_create_structure_vars.
11240
11241         * tree-ssa-alias.c: Include vec.h.
11242         (init_alias_info): Don't auto-clear call clobbered on struct-field
11243         tags.
11244         (compute_flow_insensitive_aliasing): Handle subvars.
11245         (group_aliases): Handle STRUCT_FIELD aliases.
11246         (setup_pointers_and_addressables): Ditto.
11247         Don't mark variables non-addressable if they still have
11248         addressable subvars.
11249         Also mark subvars addressable when the real variable is marked
11250         addressable.
11251         (add_pointed_to_var): Try to prune the pointed-to set by only
11252         pointing to subvars when possible.
11253         Otherwise, make sure we set addresses_needed and pt_vars to
11254         properly include subvars.
11255         (bitpos_of_field): New function.
11256         (push_fields_onto_fieldstack): Ditto.
11257         (get_or_create_used_part_for): Ditto.
11258         (create_overlap_variables_for): Ditto.
11259         (find_used_portions): Ditto.
11260         (create_structure_vars): Ditto.
11261         (pass_create_structure_vars): New structure.
11262
11263         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
11264         (get_expr_operands): Handle subvars.  Also try to turn
11265         COMPONENT_REF accesses into must-defs now that we can accurately
11266         portray it.
11267         (note_addressable): Try to only mark as addressable those subvars
11268         we know a COMPONENT_REF touches.
11269         (overlap_subvar): New function.
11270
11271         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
11272         Handle subvar storing.
11273         (vect_address_analysis): Update caller of vect_object_analysis.
11274
11275         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
11276
11277         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
11278         (STMT_VINFO_SUBVARS): New macro.
11279
11280         * common.opts: add flag_tree_salias.
11281
11282         * opts.c (decode_options): flag_tree_salias defaults to on.
11283
11284         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
11285
11286         * doc/tree-ssa.texi: Document structural alias analysis.
11287
11288 2005-03-12  Steven Bosscher  <stevenb@suse.de>
11289
11290         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
11291         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
11292         * tree-ssa-operands.c (get_expr_operands): Likewise.
11293         (get_expr_operands): Likewise for ERROR_MARK.
11294
11295 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
11296
11297         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
11298         var.
11299
11300         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
11301         removed_phis.
11302
11303         * tree-ssa-pre.c (compute_avail): Remove local variable val.
11304         (mark_operand_necessary): Remove local variable ver.
11305
11306         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
11307         variable prefix_len.
11308
11309         * value-prof.c (mod_subtract_transform): Remove local variable
11310         value.
11311
11312         * builtins.c (fold_builtin_exponent): Take decomposed
11313         arguments of CALL_EXPR.
11314         (fold_builtin_1): Update a call to fold_builtin_exponent.
11315
11316         * builtins.c (fold_builtin_logarithm): Take decomposed
11317         arguments of CALL_EXPR.
11318         (fold_builtin_1): Update a call to fold_builtin_logarithm.
11319
11320         * c-decl.c (c_init_decl_processing): Remove local variables
11321         ptr_ftype_void and ptr_ftype_ptr.
11322
11323         * gimplify.c (gimplify_expr): Remove local variables r0 and
11324         r1.
11325
11326         * reg-stack.c (move_for_stack_reg): Remove local variable
11327         push_insn.
11328         (compare_for_stack_reg): Remove local variable flags_user.
11329         (convert_regs_1): Remove local variable deleted.
11330
11331         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
11332         variable new_cond.
11333         (combine_blocks): Remove local variables exits and new_e.
11334
11335         * tree-inline.c (expand_call_inline): Remove local variable
11336         decl.
11337
11338         * tree-ssa-live.c (create_ssa_var_map,
11339         calculate_live_on_entry): Remove local variable snn.
11340
11341 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
11342
11343         * c-lex.c (c_lex_with_flags): Add parameter to call to
11344         cpp_spell_token.
11345
11346 2005-03-11  Per Bothner  <per@bothner.com>
11347
11348         * c-tree.h (struct c_declarator): New id_loc field.
11349         * c-pragma.h (c_lex_with_flags): Take position reference.
11350         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
11351         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
11352         (c_lex): Pass dummy location to c_lex_with_flags.
11353         * c-parser.c (c_lex_one_token): Set c_token's location using
11354         c_lex_with_flags, instead of input_location, which might be "ahead".
11355         (c_parser_direct_declarator): Set declarator's id_loc from
11356         c_token's id_loc.
11357         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
11358         declarator's id_loc, rather than probably-imprecise input_location.
11359         (build_id_declarator): Initialize c_declarator's id_loc field.
11360
11361 2005-03-11  Roger Sayle  <roger@eyesopen.com>
11362
11363         PR middle-end/20419
11364         * builtins.c (expand_builtin_signbit): Force the signbit's word
11365         into an integer register to avoid SUBREGs of floating point modes.
11366
11367 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
11368
11369         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
11370         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
11371         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
11372         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
11373
11374 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
11375
11376         PR rtl-optimization/20306
11377         * expr.c (emit_move_complex): Set try_int false if mode is
11378         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
11379         emit_block_move if try_int is true.
11380
11381 2005-03-11  Richard Henderson  <rth@redhat.com>
11382
11383         PR target/20415
11384         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
11385         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
11386         to match.
11387
11388 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
11389
11390         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
11391         (TARGET_FIX_VR4130): New macro.
11392         (TARGET_OPTIONS): Add -mfix-vr4130.
11393         (ISA_HAS_MACCHI): New macro.
11394         (ASM_SPEC): Add -mfix-vr4130.
11395         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
11396         (override_options): Handle mips_fix_vr4130_string.
11397         (mips_avoid_hazards): Clear all_noreorder_p
11398         if we're working around VR4130 errata and the macc alternatives
11399         are not available.
11400         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
11401         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
11402         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
11403         (MULTILIB_DEFAULTS): Remove leading "march=".
11404         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
11405         if no architecture option is given.
11406         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
11407         VR4130 multilibs.
11408         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
11409         * doc/invoke.texi: Document -mfix-vr4130.
11410
11411 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
11412
11413         * config/mips/mips.c (override_options): Only warn about -mint64
11414         deprecation if TARGET_INT64.
11415
11416 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11417
11418         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
11419         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
11420         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
11421         are non-specific regarding the nonnull parameter positions.
11422         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
11423         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
11424         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
11425         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
11426
11427         * builtins.def: Use the non-specific "nonnull" attibute lists.
11428
11429 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
11430
11431         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
11432         single_pred_edge, single_succ, single_pred): Improve comments.
11433
11434 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
11435
11436         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
11437         single_pred_edge, single_succ, single_pred): New inline functions.
11438         * bb-reorder.c (rotate_loop, find_traces_1_round,
11439         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
11440         duplicate_computed_gotos): Use the single_succ/pred functions.
11441         * cfganal.c (forwarder_block_p): Ditto.
11442         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
11443         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
11444         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
11445         merge_seq_blocks): Ditto.
11446         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
11447         * cfglayout.c (fixup_reorder_chain): Ditto.
11448         * cfgloop.c (mark_single_exit_loops, update_latch_info,
11449         canonicalize_loop_headers, verify_loop_structure): Ditto.
11450         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
11451         mfb_update_loops, create_preheader, force_single_succ_latches,
11452         create_loop_notes): Ditto.
11453         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
11454         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
11455         commit_one_edge_insertion, purge_dead_edges,
11456         cfg_layout_can_merge_blocks_p): Ditto.
11457         * except.c (sjlj_emit_function_enter): Ditto.
11458         * flow.c (init_propagate_block_info): Ditto.
11459         * function.c (thread_prologue_and_epilogue_insns): Ditto.
11460         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
11461         insert_insn_end_bb): Ditto.
11462         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
11463         find_if_case_2): Ditto.
11464         * lambda-code.c (perfect_nestify): Ditto.
11465         * lcm.c (optimize_mode_switching): Ditto.
11466         * loop-doloop.c (doloop_modify): Ditto.
11467         * loop-init.c (loop_optimizer_init): Ditto.
11468         * loop-iv.c (simplify_using_initial_values): Ditto.
11469         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
11470         * loop-unswitch.c (unswitch_loop): Ditto.
11471         * modulo-sched.c (generate_prolog_epilog): Ditto.
11472         * predict.c (combine_predictions_for_insn, estimate_probability,
11473         tree_estimate_probability, last_basic_block_p,
11474         estimate_bb_frequencies): Ditto.
11475         * profile.c (branch_prob): Ditto.
11476         * regrename.c (copyprop_hardreg_forward): Ditto.
11477         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
11478         * tracer.c (layout_superblocks): Ditto.
11479         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
11480         cfg_remove_useless_stmts_bb, cleanup_control_flow,
11481         cleanup_control_expr_graph, disband_implicit_edges,
11482         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
11483         tree_verify_flow_info, tree_make_forwarder_block,
11484         tree_forwarder_block_p, remove_forwarder_block,
11485         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
11486         * tree-if-conv.c (tree_if_conversion): Ditto.
11487         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
11488         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
11489         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
11490         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
11491         copy_loop_headers): Ditto.
11492         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
11493         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
11494         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
11495         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
11496         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
11497         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
11498         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
11499         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
11500         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
11501         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
11502         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
11503         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
11504         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
11505         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
11506         slpeel_add_loop_guard): Ditto.
11507
11508 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
11509
11510         PR tree-optimization/15784
11511         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
11512         and -1 - A to ~A.
11513
11514         * stmt.c (expand_case): Don't change index_type.  Convert minval
11515         to the proper type.
11516
11517         PR tree-optimization/20130
11518         * fold-const.c (fold): Fold x * -1 into -x.
11519
11520 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
11521
11522         PR rtl-optimization/20331
11523         * rtlanal.c (modified_between_p): Check its address first for MEM.
11524         (modified_in_p): Likewise.
11525
11526 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
11527
11528         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
11529
11530 2005-03-10  Steven Bosscher  <stevenb@suse.de>
11531
11532         * expr.c (expand_expr_real_1): If possible, use a conditional
11533         move for expanding MIN_EXPR and MAX_EXPR.
11534         Use temp for moving around rtx-en.
11535
11536 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
11537
11538         PR rtl-opt/20412
11539         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
11540         correct mode.
11541
11542 2005-03-10  Roger Sayle  <roger@eyesopen.com>
11543
11544         * builtins.c (expand_builtin_signbit): Extend to handle floating
11545         point modes wider than the largest integer type, using the
11546         operand_subword_force function to obtain the signbit's word.
11547
11548 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
11549
11550         PR target/20322
11551         * combine.c (try_combine): If recog_for_combine added CLOBBERs
11552         to NEWI2PAT, fail to combine if they are used by NEWPAT.
11553
11554 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
11555
11556         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
11557
11558 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
11559
11560         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
11561         type void.
11562         (perform_edge_inserts): Unconditionally call
11563         free_dominator_info.
11564
11565         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
11566
11567 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
11568
11569         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
11570
11571 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
11572
11573         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
11574
11575         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
11576         gcc_unreachable.
11577         (rtl_register_value_prof_hooks,
11578         tree_value_profile_transformations,
11579         tree_register_value_prof_hooks): Likewise.
11580         * var-tracking.c (stack_adjust_offset_pre_post,
11581         variable_htab_free, variable_union, dataflow_set_different_2,
11582         count_uses, variable_was_changed, set_frame_base_location,
11583         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
11584         vt_add_function_parameters): Likewise.
11585         * varasm.c (named_section_real, named_section, make_decl_rtl,
11586         asm_emit_uninitialised, assemble_integer, decode_addr_const,
11587         const_hash_1, compare_constant, copy_constant, force_const_mem,
11588         output_constant_pool_2, output_constant_pool_1, output_constant,
11589         output_constructor, make_decl_one_only, decl_tls_model,
11590         default_no_named_section, default_elf_select_section_1,
11591         default_unique_section_1): Likewise.
11592         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
11593         * vmsdbgout.c (addr_const_to_string): Likewise.
11594
11595         PR c++/20375
11596         * function.c (struct assign_parm_data_one): Remove last_named
11597         field.
11598         (assign_parm_find_data_types): Don't determine last_named.
11599         Reorder named_parm determination.
11600         (assign_parms): Only setup varargs on the last non-varadic
11601         parameter.
11602
11603 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
11604
11605         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
11606         sda base address on medium model.
11607
11608 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
11609
11610         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
11611         * cfgloop.c (flow_loop_nodes_find): Export.
11612         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
11613         Declare.
11614         * cfgloopmanip.c (fix_loop_structure): New function.
11615         * predict.c (predict_loops): Clean up the loops information.
11616         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
11617         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
11618         loop structure.
11619         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
11620         (rewrite_into_loop_closed_ssa): Declaration changed.
11621         * tree-loop-linear.c (linear_transform_loops): Add argument to
11622         rewrite_into_loop_closed_ssa call.
11623         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11624         * tree-ssa-loop-im.c (move_computations): Ditto.
11625         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
11626         * tree-vectorizer.c (vectorize_loops): Ditto.
11627         * tree-optimize.c: Include cfgloop.h.
11628         (execute_todo): Choose whether to call cleanup_tree_cfg or
11629         cleanup_tree_cfg_loop.
11630         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
11631         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
11632         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
11633         cleanup_tree_cfg_loop call.
11634         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
11635         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
11636         work on part of cfg.
11637
11638 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
11639
11640         PR inline-asm/20314
11641         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
11642         with multiple alternatives.
11643
11644         * stmt.c (parse_output_constraint): Fix a typo.
11645
11646 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
11647
11648         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
11649         assembly directive instead of deprecated "no-generics".
11650
11651 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
11652
11653         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
11654         for non-offsettable memory references to cope with outstanding reload
11655         replacements.
11656         * config/s390/s390.md ("reload_outti"): Call find_replacement to
11657         avoid losing outstanding address reloads.
11658         ("reload_outdi", "reload_outdf"): Likewise.
11659
11660 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11661
11662         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
11663         code.  Add more cbrt transformations.
11664
11665 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11666
11667         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
11668
11669 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
11670
11671         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
11672         NULL_TREE when a given tree is not simplified.
11673         (fold): Return the original tree when any of the functions
11674         mentioned above NULL_TREE.
11675
11676         * fold-const.c (fold_unary, fold_binary): Take decomposed
11677         arguments, code, type, op0, and op1 in case of fold_binary.
11678         (fold): Update calls to fold_unary and fold_binary.
11679
11680 2005-03-09  Roger Sayle  <roger@eyesopen.com>
11681
11682         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
11683         a fndecl and an arglist instead of a CALL_EXPR, exp.
11684
11685 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
11686
11687         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
11688
11689         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
11690
11691         * expr.c (expand_assignment): Remove orig_to_rtx.
11692
11693         * fold-const.c (int_const_binop): Remove no_overflow.
11694
11695         * ifcvt.c (noce_emit_move_insn): Remove inmode.
11696
11697         * loop-iv.c (get_biv_step_1): Remove lhs.
11698
11699         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
11700
11701         * real.c (real_nan): Remove neg.
11702
11703         * function.c (thread_prologue_and_epilogue_insns): Remove i
11704         and newinsn.
11705
11706         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
11707         tb.
11708
11709         * tree-eh.c (tree_could_trap_p): Remove idx.
11710
11711         * tree-into-ssa.c (ann): Remove ann.
11712
11713         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
11714
11715         * tree-sra.c (decide_block_copy): Remove inst_count.
11716
11717         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
11718
11719         * tree-ssa-loop-im.c (lhs): Remove.
11720
11721         * cfgbuild.c (state, STATE, SET_STATE,
11722         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
11723         make_edges.
11724         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
11725         (find_basic_blocks): Set the state of each basic block to
11726         BLOCK_NEW.
11727
11728 2005-03-08  Jeff Law  <law@redhat.com>
11729
11730         * tree-cfg.c (cleanup_control_flow): If removal of a computed
11731         goto results in the removal of edges in the CFG, then we need
11732         to recompute dominators.
11733
11734 2005-03-09  Ben Elliston  <bje@au.ibm.com>
11735
11736         * c-common.c (c_do_switch_warnings): Comment fix.
11737
11738 2005-03-08  Julian Brown  <julian@codesourcery.com>
11739
11740         * Patch from 2005-03-08 reverted for causing regressions and
11741         ppc-darwin bootstrap failure.
11742
11743 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
11744
11745         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
11746         Define the real function for ppc-darwin.
11747         * c-typeck.c (convert_arguments): Check for target-specific
11748         invalid argument call to unprototyped function.
11749         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
11750         New Macro.
11751         * target.h (invalid_arg_for_unprototyped_fn): New field
11752         in struct calls.
11753         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
11754         default target hook.
11755         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
11756         Declare.
11757
11758 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
11759
11760         * c-typeck.c (constructor_stack, constructor_range_stack,
11761         initializer_stack): Make them static.
11762
11763         * cfg.c (rbi_pool): Make it static.
11764
11765         * gimple-low.c (lower_stmt_body): Make it static.
11766         * tree-flow.h: Remove the corresponding prototype.  Don't
11767         declare lower_data.
11768
11769         * sched-deps.c (cache_size): Make it static.
11770
11771         * stor-layout.c (lang_adjust_rli): Make it static.
11772
11773 2005-03-08  Julian Brown  <julian@codesourcery.com>
11774
11775         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
11776         from being used for symbols with vague linkage when
11777         HAVE_GAS_COMDAT_GROUP is true.
11778
11779 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
11780
11781         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
11782         nlabel == JUMP_LABEL (jump).
11783
11784 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
11785
11786         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
11787         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
11788         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
11789         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
11790
11791 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
11792
11793         PR c/14411
11794         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
11795         * c-common.c (handle_returns_twice): New function.
11796         (c_common_attribute_table): Declare eturns_twice' attribute.
11797         * doc/extend.texi: Document eturns_twice' attribute.
11798         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
11799         (struct tree_decl): Add returns_twice_flag.
11800
11801 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
11802
11803         * tree-ssa-phiopt.c: Fix a comment typo.
11804
11805         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
11806         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
11807         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
11808         copyright.
11809
11810 2005-03-08  Richard Henderson  <rth@redhat.com>
11811
11812         * config/alpha/alpha.c (code_for_builtin): Replace special-case
11813         builtin codes with ctzdi2, clzdi2, popcountdi2.
11814         (struct alpha_builtin_def): Add is_const.
11815         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
11816         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
11817         (alpha_init_builtins): Init them.  Set nothrow and const attributes
11818         on builtins.
11819         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
11820         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
11821         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
11822         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
11823         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
11824         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
11825         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
11826         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
11827         (TARGET_FOLD_BUILTIN): New.
11828         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
11829         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
11830         (ffsdi2): Use ctz.
11831         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
11832
11833 2005-03-08  Ira Rosen  <irar@il.ibm.com>
11834
11835         PR tree-optimization/20122
11836         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
11837         condition of access function instead of base.
11838
11839 2005-03-07  Jeff Law  <law@redhat.com>
11840             Steven Bosscher  <stevenb@suse.de>
11841
11842         * tree-cfg.c (find_taken_edge_computed_goto): New function.
11843         (find_taken_edge): Call find_taken_edge_computed_goto as
11844         appropriate.  Allow any gimple invariant rather than just
11845         INTEGER_CST for VAL.
11846         (cleanup_control_flow): Cleanup a computed goto which has turned
11847         into a simple goto.
11848         (tree_merge_blocks): If block B has any forced labels, move
11849         them to the start of block A.
11850         * tree-ssa-dom.c (thread_across_edge): Allow threading across
11851         computed gotos as well.
11852         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
11853         removal of unnecessary computed gotos too.
11854         (lookup_redirection_data): Fix type of INSERT argument.  Callers
11855         updated.
11856
11857 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
11858
11859         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
11860         Remove trailing spaces.
11861
11862         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
11863         unshare_all_trees): Make them static.
11864         * tree-gimple.h: Remove the corresponding prototypes.
11865
11866         * diagnostic.h: Remove unused prototype
11867         debug_output_buffer.
11868         * modulo-sched.c: Remove unused prototype
11869         set_row_column_for_ps.
11870
11871         * tree-ssa-phiopt.c (tree_ssa_phiopt,
11872         replace_phi_edge_with_variable): Remove unused variable i.
11873
11874 2005-03-07  Per Bothner  <per@bothner.com>
11875
11876         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
11877
11878 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
11879
11880         PR tree-opt/17671
11881         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
11882         bbs on the COND_EXPR instead of the PHI_NODEs.
11883         (candidate_bb_for_phi_optimization): Remove.
11884         (replace_phi_with_stmt): Rename to ...
11885         (replace_phi_edge_with_variable): this and change so that we
11886         replace the phi argument instead of removing the PHI.
11887         (conditional_replacement): Change so we deal with PHI with more
11888         than two arguments.
11889         (value_replacement): Likewise.
11890         (abs_replacement): Likewise.
11891
11892 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
11893
11894         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
11895         output_e500_flip_gt_bit.
11896
11897         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
11898         as bit 31.
11899         (rs6000_generate_compare): Fix logic to look at the correct bits.
11900         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
11901         Look at GT bit.
11902         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
11903         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
11904         gen_move_from_CR_gt_bit.
11905
11906         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
11907         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
11908         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
11909
11910         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
11911         (E500_CR_IOR_COMPARE): New constant.
11912
11913 2005-03-08  Earl Chew <earl_chew@agilent.com>
11914             David Billinghurst <David.Billinghurst@riotinto.com>
11915
11916         * config/i386/host-cygwin.c: New file to support precompiled
11917         headers on cygwin
11918         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
11919         * config.host: Use above files for cygwin host.
11920
11921 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
11922
11923         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
11924         ordering ops from earlier change.
11925
11926 2005-03-07  Per Bothner  <per@bothner.com>
11927
11928         Various fixes to allow us to again build if --enable-mapped-location:
11929         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
11930         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
11931         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
11932         local variable loc. Change logic appropriately.
11933         * tree-vect-transform.c (vect_finish_stmt_generation): Use
11934         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
11935         * c-parser.c (c_parser_for_statement): Initialize loc variable.
11936         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
11937         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
11938
11939 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
11940
11941         PR rtl-optimization/19683
11942         * reload1.c (choose_reload_regs): Pass the number of bits, not the
11943         number of bytes, to smallest_int_for_mode.  Fix arguments to
11944         REG_CANNOT_CHANGE_MODE_P.
11945
11946 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
11947
11948         * reorg.c (relax_delay_slots): Check that the jump is
11949         conditional before trying to invert it.
11950
11951 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
11952
11953         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
11954         Make them static.
11955
11956         * calls (stack_arg_under_construction): Make it static.
11957
11958         * flow.c (regs_live_at_setjmp): Make it static.
11959         * flow.h: Remove the corresponding prototype.
11960
11961         * reload1.c (reload_startobj, reload_firstobj,
11962         something_needs_operands_changed, reload_inherited,
11963         reload_inheritance_insn, reload_override_in,
11964         reload_spill_index): Make them static.
11965
11966         * recog.c (verify_changes): Make it static.
11967         * recog.h: Remove the corresponding prototype.
11968
11969         * cfgbuild.c (find_sub_basic_blocks): Remove.
11970         * basic-block.h: Remove the corresponding prototype.
11971         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
11972         in comments.
11973         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
11974
11975         * tree-ssa-operands.c (check_build_stmt): Remove.
11976
11977         * stor-layout.c (set_alignment): Remove.
11978         * tree.h: Remove the corresponding prototype.
11979
11980         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
11981
11982         * tree-ssa-dce.c (control_dependence_map,
11983         visited_control_parents): Make them static.
11984
11985         * cfghooks.c (verify_flow_info): Remove local variable
11986         num_bb_notes.
11987
11988         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
11989         last_bb_seen.
11990
11991         * loop-unswitch.c (unswitch_loop): Remove local variable src.
11992
11993 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
11994
11995         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
11996
11997 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
11998
11999         * config/ia64/hpux.h (LINK_SPEC): Add -z.
12000         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
12001         PARALLEL for an empty structure.
12002
12003 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
12004
12005         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
12006
12007         * fold-const.c (fold_binary): Unroll the very first "for"
12008         loop.
12009
12010 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
12011
12012         * config/rs6000/predicates.md (branch_comparison_operator): Remove
12013         redundant match_code test.
12014         (scc_comparison_operator): Swap match_operand and match_code
12015         tests.
12016         (branch_positive_comparison_operator): Same.
12017         (trap_comparison_operator): Use comparison_operator and swap with
12018         match_code test.
12019
12020 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
12021
12022         PR target/20288
12023         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
12024         (out_movhi_r_mr): Read low byte of volatile MEM first.
12025         (out_movhi_mr_r): Write high byte of volatile MEM first.
12026
12027 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
12028
12029         * cselib.c (reg_values, reg_values_size): Make them static.
12030
12031         * cse.c (cse_reg_info_table): Make it static.
12032
12033         * fold-const.c (fold_unary): Use build1 instead of copy_node.
12034
12035 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
12036
12037         * cse.c (find_best_addr): Use canon_for_address.
12038
12039 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
12040
12041         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
12042         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
12043         SUBREG and MEM, respectively.
12044
12045         * fold-const.c (fold_binary): Use code instead of t.
12046
12047         * fold-const.c (optimize_minmax_comparison): Take decomposed
12048         arguments code, type, op0, and op1 instead of t.
12049         (fold_binary): Update a call to optimize_minmax_comparison.
12050
12051         * fold-const.c (fold_range_test): Take decomposed arguments
12052         code, type, op0, and op1 instead of t.
12053         (fold_binary): Update a call to fold_range_test.
12054
12055         * fold-const.c (fold_binary_op_with_conditional_arg): Take
12056         decomposed arguments code, type, op0, and op1 instead of t.
12057         (fold_binary): Update a call to fold_range_test.
12058
12059 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
12060
12061         * fold-const.c (fold_binary): Avoid directly using the original
12062         expression t as much as possible.
12063
12064 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
12065
12066         * c-semantics.c (build_stmt): Use TYPE_P instead of
12067         IS_NON_TYPE_CODE_CLASS.
12068         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
12069         (NON_TYPE_CHECK): Use TYPE_P instead of
12070         IS_NON_TYPE_CODE_CLASS.
12071
12072         * fold-const.c (fold): Remove handling of binary expressions.
12073
12074 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
12075
12076         * doc/c-tree.texi: Wrap comments in @r{}.
12077         * doc/cpp.texi: Likewise.
12078         * doc/cppinternals.texi: Likewise.
12079         * doc/extend.texi: Likewise.
12080         * doc/md.texi: Likewise.
12081         * doc/objc.texi: Likewise.
12082         * doc/sourcebuild.texi: Likewise.
12083         * doc/tm.texi: Likewise.
12084         * doc/tree-ssa.texi
12085
12086 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
12087
12088         * predict.c (apply_return_prediction): Standardize PHI chain
12089         walking.
12090         * tree-ssa.c (ssa_redirect_edge): Likewise.
12091
12092         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
12093         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
12094         Update copyright.
12095
12096         * tree-phinodes.c (remove_phi_node): Drop the last argument.
12097         * tree-flow.h: Adjust the prototype for remove_phi_node.
12098         * lambda-code.c (perfect_nestify): Adjust a call to
12099         remove_phi_node.
12100         * tree-cfg.c
12101         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
12102         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
12103         Likewise.
12104         * tree-ssa-dce.c (remove_dead_phis): Likewise.
12105         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12106         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12107         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
12108
12109         * combine.c (simplify_and_const_int): Use gen_int_mode instead
12110         of GEN_INT (trunc_int_for_mode (...)).
12111         * loop-iv.c (iv_number_of_iterations): Likewise.
12112         * postreload.c (reload_cse_move2add): Likewise.
12113         * simplify-rtx.c (simplify_const_unary_operation,
12114         simplify_const_binary_operation): Likewise.
12115         * stor-layout.c (get_mode_bounds): Likewise.
12116
12117         * fold-const.c (fold_binary): New.
12118         (fold): Call fold_binary on binary expressions.
12119
12120 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
12121
12122         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
12123         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
12124         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
12125         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
12126         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
12127
12128 2005-03-04  Devang Patel  <dpatel@apple.com>
12129
12130         PR tree-optimization/18815
12131         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
12132         loops with zero exit edges.
12133
12134 2005-03-04  Devang Patel  <dpatel@apple.com>
12135
12136         * doc/invoke.texi: Remove reference to webpage that does not exist.
12137
12138 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
12139             Joseph S. Myers  <joseph@codesourcery.com>
12140
12141         PR c++/19797
12142         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
12143         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
12144         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
12145         * pa.c (get_plabel): Change argument to symbol_ref.  Call
12146         maybe_get_identifier instead of get_identifier.
12147         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
12148         (struct deferred_plabel): Replace name field with symbol field.
12149         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
12150         ASM_OUTPUT_EXTERNAL_REAL is defined.
12151         (output_global_address): Use output_addr_const for output of all
12152         symbol_refs.
12153         (output_deferred_plabels): Use symbol_ref instead of name for address
12154         output.
12155         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
12156         ASM_OUTPUT_SYMBOL_REF): New macros.
12157         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
12158         comment.
12159         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
12160         label.
12161
12162 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
12163
12164         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
12165         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
12166
12167 2005-03-04  Jeff Law  <law@redhat.com>
12168
12169         * basic-block.h (rediscover_loops_after_threading): Declare.
12170         * tree-ssa-dom.c: Include cfgloop.h.
12171         (tree_ssa_dominator_optimize): Discover loops and some basic
12172         properties.  Remove forwarder blocks recreated by loop header
12173         canonicalization.  Also mark backedges in the CFG.
12174         * tree-ssa-threadupdate.c: Include cfgloop.h
12175         (rediscover_loops_after_threading): Define.
12176         (struct local_info): New field, JUMP_THREADED.
12177         (prune_undesirable_thread_requests): New function.
12178         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
12179         then record that fact for the callers of redirct_edges.
12180         (thread_block): If BB has incoming backedges, then call
12181         prune_undesirable_thraed_requests.    Note when we are
12182         going to have to rediscover loop information.  Return a
12183         boolean indicating if any jumps were threaded.
12184         (thread_through_all_blocks): Bubble up boolean indicating
12185         if any jumps were threaded.
12186         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
12187         (tree-ssa-threadupdate.o): Similarly.
12188
12189 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
12190
12191         * fold-const.c (fold_ternary): Unroll the "for" loop to
12192         extract operands.
12193
12194 2005-03-04  Andrew Haley  <aph@redhat.com>
12195
12196         * unwind-dw2-fde-glibc.c (struct
12197         unw_eh_callback_data.check_cache): New field.
12198         (frame_hdr_cache): New.
12199         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
12200         Cache frame header info.
12201
12202 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
12203
12204         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
12205         (print_c_condition): Declare.
12206         * read-rtl.c (ptr_loc): New structure.
12207         (ptr_locs, ptr_loc_obstack, joined_conditions)
12208         (joined_conditions_obstack): New variables.
12209         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
12210         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
12211         (join_c_conditions, print_c_condition): New functions.
12212         (apply_macro_to_string): Associate the new string with the same
12213         source location as the old one.
12214         (add_condition_to_string): Use join_c_conditions.
12215         (read_string): Use set_rtx_ptr_loc to record a filename and line
12216         number for the string.
12217         (read_rtx): Initialize the new variables above.
12218         * genattrtab.c (write_test_expr, write_attr_value): Use
12219         print_c_condition.
12220         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
12221         comment above the GCC_VERSION check.
12222         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
12223         Inline the definition of MAYBE_EVAL.
12224         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
12225         * genoutput.c (process_template): Likewise.
12226         * genpreds.c (write_predicate_subfunction): Likewise.
12227         (write_predicate_expr): Use print_c_condition.
12228         * genrecog.c (write_cond): Likewise.
12229         * gensupport.c (process_rtx): Use join_c_conditions to join the
12230         conditions of a define_insn_and_split.  Record a source location
12231         for the string after the "&&".
12232         (alter_test_for_insn): Use join_c_conditions.
12233
12234 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
12235
12236         Revert for now:
12237         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
12238         PR tree-optimization/15784
12239         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
12240         and -1 - A to ~A.
12241
12242 2005-03-04  Ben Elliston  <bje@au.ibm.com>
12243
12244         * gcc.c (option_map): Add --coverage.
12245         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
12246         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
12247         * config/darwin.h: Pass -lgcov for `coverage'.
12248         * doc/invoke.texi (Debugging Options): Document --coverage.
12249
12250 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
12251
12252         * gcse.c (bypass_block): Use find_edge wherever possible.
12253
12254 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
12255
12256         Fix PR debug/20253
12257
12258         * c-opts.c (c_common_parse_file): Call start_source_file
12259         and end_source_file at the approriate times.
12260
12261         * dwarf2out.c (dwarf2out_finish): Don't auto-end
12262         the main file, it will be done for us now.
12263
12264 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
12265
12266         * fold-const.c (fold_ternary): New.
12267         (fold): Call fold_ternary on ternary expressions.  Remove
12268         handling of ternary expressions.
12269
12270 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
12271
12272         PR tree-optimization/15784
12273         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
12274         and -1 - A to ~A.
12275
12276 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
12277
12278         * config/rs6000/predicates.md (branch_comparison_operator):
12279         Convert from C block to conditional format.
12280
12281 2005-03-03  Jan Hubicka  <jh@suse.cz>
12282
12283         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
12284         and non-constant public variables.
12285
12286 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
12287
12288         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
12289         with LABEL_EXPR.
12290
12291         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
12292         EDGE_I.
12293
12294         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
12295         calls to release_ssa_name and release_phi_node.
12296
12297         * fold-const.c (fold): Remove handling of unary expressions.
12298
12299         * fold-const.c (fold_unary): Avoid directly using the original
12300         expression t as much as possible.
12301
12302 2005-03-03  Roger Sayle  <roger@eyesopen.com>
12303             Andrew Pinski  <pinskia@physics.uc.edu>
12304
12305         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
12306         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
12307
12308 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
12309
12310         Describe special registers SRP and MOF as allocatable registers.
12311         * config/cris/cris.c (cris_md_asm_clobbers): New function.
12312         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
12313         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
12314         TARGET_HAS_MUL_INSNS.
12315         (cris_print_operand) <case 'd'>: New case.
12316         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
12317         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
12318         define.
12319         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
12320         (REG_ALLOC_ORDER): Update for MOF.
12321         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
12322         SPECIAL_REGS.
12323         (GENERAL_REGS): No longer a define of ALL_REGS.
12324         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
12325         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
12326         Adjust accordingly.
12327         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
12328         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
12329         (SECONDARY_RELOAD_CLASS): Define.
12330         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
12331         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
12332         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
12333         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
12334         (REGISTER_MOVE_COST): Define.
12335         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
12336         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
12337         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
12338         (CRIS_MOF_REGNUM): New define_constants.
12339         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
12340         special registers.
12341         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
12342         New patterns.
12343         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
12344         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
12345         Adjust for MOF being properly described as a register.
12346         (indir_to_reg_split): Name this split.  Conditionalize on the
12347         destination register being a general register.
12348         (movei): Conditionalize on on operands 0 and 1 having the same
12349         register class.
12350
12351 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
12352
12353         PR target/20277
12354         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
12355         -mcpu to override any other explicitly given flags.
12356
12357 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
12358
12359         * recog.c (verify_changes, confirm_change_group): New functions,
12360         broken out of apply_change_group.
12361         (apply_change_group): Use them.
12362         * recog.h (verify_change, confirm_change_group): Declare.
12363         * rtl.h (redirect_jump_2): Declare.
12364         * jump.c (redirect_exp, invert_exp): Delete.
12365         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
12366         (redirect_jump_2): New function, broken out of redirect_jump.
12367         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
12368         (invert_jump): Use invert_jump_1 and redirect_jump_2.
12369         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
12370
12371 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
12372
12373         * varasm.c (named_section): Use xstrdup rather than doing it by
12374         hand.
12375
12376         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
12377
12378 2005-03-02  Devang Patel  <dpatel@apple.com>
12379
12380         Undo PR tree-optimization/18815 fix.
12381
12382 2005-03-02  Devang Patel  <dpatel@apple.com>
12383
12384         PR tree-optimization/18815
12385         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
12386         loops with zero exit edges.
12387
12388 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
12389
12390         * cfg.c (connect_src, connect_dest, disconnect_src,
12391         disconnct_dest): New.
12392         (unchecked_make_edge, remove_edge, redirect_edge_succ,
12393         redirect_edge_pred): Use the new functions.
12394
12395         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
12396         free_dominance_info only when needed.
12397
12398 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
12399
12400         PR target/20276
12401         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
12402         (reg_or_sub_cint64_operand): Same.
12403
12404 2005-03-02  Jeff Law  <law@redhat.com>
12405
12406         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
12407         CFG_ALTERED in the main DOM iteration loop.
12408
12409 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
12410
12411         PR c++/19916
12412         * varasm.c (initializer_constant_valid_p): Allow conversions
12413         between OFFSET_TYPEs.  Tidy.
12414
12415 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
12416
12417         * config/cris/cris.md ("return"): Remove epilogue delay list
12418         sanity check.
12419
12420 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
12421
12422         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
12423         for Thumb.
12424         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
12425
12426 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
12427
12428         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
12429         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
12430         config/m68k/m68k.c, config/mips/mips.h,
12431         config/rs6000/rs6000-protos.h, doc/contrib.texi,
12432         doc/include/gcc-common.texi: Update copyright.
12433
12434         PR middle-end/18029 and PR middle-end/18030
12435         * expr.c (optimize_bitfield_assignment_op): Add a special case
12436         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
12437
12438         * fold-const.c (fold_unary): New.
12439         (fold): Call fold_unary on unary expressions.
12440
12441 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
12442
12443         * cgraph.h (struct cgraph_edge): Add prev_caller and
12444         prev_callee fields.
12445         (cgraph_node_remove_callees): Export.
12446         * cgraph.c (cgraph_create_edge): Initialize prev_caller
12447         and prev_callee.
12448         (cgraph_edge_remove_callee): New function.
12449         (cgraph_edge_remove_caller): Likewise.
12450         (cgraph_remove_edge): Use.
12451         (cgraph_redirect_edge_callee): Likewise.
12452         (cgraph_node_remove_callees): New function.
12453         (cgraph_node_remove_callers): Likewise.
12454         (cgraph_remove_node): Use.
12455         * tree-optimize.c (tree_rest_of_compilation): Use
12456         cgraph_node_remove_callees instead of manual loop.
12457         * cgraphunit.c (cgraph_finalize_function): Likewise.
12458         (cgraph_expand_function): Likewise.
12459         (cgraph_remove_unreachable_nodes): Likewise.
12460
12461 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
12462
12463         PR c/8927
12464         * c-tree.h (undeclared_variable, build_external_ref): Add extra
12465         argument.
12466         * c-decl.c (undeclared_variable): Take location as argument.
12467         * c-typeck.c (build_external_ref): Likewise.
12468         * c-parser.c (c_parser_postfix_expression): Pass location of
12469         identifier to build_external_ref.
12470
12471 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
12472
12473         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
12474         CCEQ mode for branch_positive_comparison_operator test.
12475         * config/rs6000/predicates (branch_comparison_operator): Revert to
12476         define_predicate.
12477         (scc_comparison_operator): Same.
12478         (branch_positive_comparison_operator): Same.
12479
12480 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
12481
12482         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
12483         (cris_delay_slots_for_epilogue): Remove.
12484         (save_last): Move into cris_target_asm_function_epilogue.
12485         (cris_target_asm_function_epilogue): Remove tests for file being
12486         NULL.
12487         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
12488         (cris_delay_slots_for_epilogue): Remove prototypes.
12489         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
12490         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
12491
12492 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
12493
12494         * config/rs6000/predicates.md (branch_comparison_operator): Change
12495         to define_special_predicate.
12496         (scc_comparison_operator): Same.
12497         (branch_positive_comparison_operator): Same.
12498
12499 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
12500
12501         * Makefile.in (tree-ssa-sink.o): New.
12502         (OBJS-common): Add tree-ssa-sink.o.
12503         * common.opt: Add -ftree-sink
12504         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
12505         * timevar.def (TV_TREE_SINK): new timevar.
12506         * tree-flow.h (is_hidden_global_store): Prototype.
12507         * tree-optimize.c (init_tree_optimization_passes): Add
12508         pass_sink_code.
12509         * tree-pass.h (pass_sink_code): New.
12510         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
12511         for non-obvious global store store to is_hidden_global_store, and
12512         call that new function.
12513         * tree-ssa-sink.c: New file.
12514         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
12515         * doc/passes.texi: Document forward store motion.
12516         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
12517         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
12518         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
12519         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
12520
12521 2005-03-01  Per Bothner  <per@bothner.com>
12522
12523         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
12524         and we have a non-zero column-number, add it to the message.
12525         Also factor out the diagnostic_kind_text.
12526
12527 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
12528
12529         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
12530         flow_loop_pre_header_scan, flow_loop_pre_header_find,
12531         flow_loop_scan): Removed.
12532         (flow_loop_dump): Do not dump removed fields.
12533         (flow_loop_free): Do not free removed fields.
12534         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
12535         (loop_exit_edge_p): New function.
12536         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
12537         num_pre_header_edges, entry_edges, num_entries, exit_edges,
12538         num_exits, exits_doms.
12539         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
12540         LOOP_EDGES, LOOP_ALL): Removed.
12541         (flow_loop_scan): Declaration removed.
12542         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
12543         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
12544         flow_loops_find.
12545         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
12546         (if_convert): Call flow_loops_find and flow_loops_free
12547         when calling mark_loop_exit_edges.
12548         * cfgloopanal.c (mark_loop_exit_edges): Moved from
12549         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
12550         free_dominance_info calls.
12551         * loop-init.c (flow_loops_find): Ditto.
12552         * passes.c (rest_of_handle_branch_prob): Ditto.
12553         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
12554         * loop-unroll.c (analyze_insns_in_loop): Do not use
12555         EDGE_LOOP_EXIT.
12556         * predict.c (predict_loops): Do not call flow_loop_scan.
12557         Use get_loop_exit_edges.
12558         (tree_estimate_probability): Do not pass flags to flow_loops_find.
12559         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
12560         Do not use EDGE_LOOP_EXIT.
12561         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
12562         to bb_with_exit_edge_p.
12563         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
12564         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
12565         to bb_with_exit_edge_p.
12566         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
12567         EDGE_LOOP_EXIT.
12568         * tree-loop-linear.c (linear_transform_loops): Do not call
12569         flow_loop_scan.  Use loop->single_exit.
12570         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
12571         (vect_analyze_loop_form): Do not call flow_loop_scan.
12572         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
12573         loop->single_exit.
12574         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
12575         loop->single_exit.
12576         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
12577         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
12578         slpeel_tree_duplicate_loop_to_edge_cfg,
12579         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
12580         Use loop_preheader_edge and loop->single_exit.  Do not call
12581         flow_loop_scan.
12582
12583 2005-03-01  Nick Clifton  <nickc@redhat.com>
12584
12585         * config/arm/arm.c (thumb_find_work_register): Check all of the
12586         argument registers to see if they are free, and a couple of
12587         special cases where the last argument register but can be proved
12588         to be available during the function's prologue.
12589         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
12590         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
12591         thumb_unexpanded_epilogue): Use unsigned long as the type for the
12592         register bit-mask.
12593         (thumb_compute_save_reg_mask): Likewise.  Also use
12594         thumb_find_work_register() to ensure that there is agreement about
12595         which work register is going to be used in the prologue.
12596         (thumb_output_function_prologue): Use unsigned long as the type
12597         for the register bit-mask.  Also delay pushing the link register if
12598         other high registers are going to be pushed.
12599         (thumb_compute_save_reg_mask, emit_multi_reg_push,
12600         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
12601         redundant prototypes.
12602
12603 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
12604
12605         PR target/19819
12606         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
12607         and after reload in REG+REG indexed addresses without REG_POINTER
12608         set in the base and not set in the index.
12609
12610 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
12611
12612         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
12613         Don't undefine here.
12614         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
12615         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
12616         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
12617         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
12618         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
12619         Delete.
12620         * config.gcc (sh*-*-linux*): Use config/linux.h.
12621
12622 2005-02-28  Dale Johannesen  <dalej@apple.com>
12623             Stan Shebs  <shebs@apple.com>
12624
12625         Rewrite of 64-bit Darwin structure-by-value pass/return.
12626         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
12627         intoffset, use_stack, named.
12628         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
12629         (rs6000_darwin64_record_arg_advance_flush):  New.
12630         (rs6000_darwin64_record_arg_advance_recurse): New.
12631         (rs6000_darwin64_record_arg_flush):  New.
12632         (rs6000_darwin64_record_arg_recurse):  New.
12633         (rs6000_darwin64_record_arg):  New.
12634         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
12635         (function_arg_boundary):  Handle 128-bit aligned structs.
12636         (function_arg_advance):  Rewrite darwin64 struct handling.
12637         (function_arg):  Call rs6000_darwin64_record_arg.
12638         (function_arg_partial_nregs):  Handle darwin64 structs.
12639         (rs6000_darwin64_function_value):  Remove.
12640         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
12641
12642 2005-02-28  Roger Sayle  <roger@eyesopen.com>
12643
12644         PR tree-optimization/20216
12645         * tree-chrec.c (tree_fold_factorial): Delete.
12646         (tree_fold_binomial): Change argument list to take a return type
12647         and change the type of K to unsigned int.  Rewrite to avoid explicit
12648         evaluation of factorials, and (recursively) calling fold to perform
12649         compile-time arithmetic.  Return NULL on (internal) overflow.
12650         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
12651         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
12652         if any intermediate calculation overflows.
12653         (chrec_apply): Update call to chrec_evaluate.
12654
12655 2005-02-28  James E Wilson  <wilson@specifixinc.com>
12656
12657         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
12658
12659 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
12660
12661         PR c/20245
12662         * c-parser.c (c_parser_compound_statement): Return error_mark_node
12663         instead of NULL_TREE on error.
12664
12665 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
12666
12667         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
12668         (EASY_VECTOR_15_ADD_SELF): Remove.
12669         (num_insns_constant_wide): Not static.
12670         (validate_condition_mode): Not static.
12671         (toc_relative_expr_p): Not static.
12672         (legitimate_indirect_address_p): Not static.
12673         (macho_lo_sum_memory_operand): Not static.
12674         (invalid_e500_subreg): Not static.
12675         (easy_vector_same): Not static.
12676         (easy_vector_splat_const): Not static.
12677         (RS6000_SYMBOL_REF_TLS_P): Remove.
12678         (any_operand): Delete.
12679         (any_parallel_operand): Delete.
12680         (count_register_operand): Delete.
12681         (altivec_register_operand): Delete.
12682         (xer_operand): Delete.
12683         (s8bit_cint_operand): Delete.
12684         (short_cint_operand): Delete.
12685         (u_short_cint_operand): Delete.
12686         (non_short_cint_operand): Delete.
12687         (exact_log2_cint_operand): Delete.
12688         (gpc_reg_operand): Delete.
12689         (cc_reg_operand): Delete.
12690         (cc_reg_not_cr0_operand): Delete.
12691         (reg_or_short_operand): Delete.
12692         (reg_or_neg_short_operand): Delete.
12693         (reg_or_aligned_short_operand): Delete.
12694         (reg_or_u_short_operand): Delete.
12695         (reg_or_cint_operand): Delete.
12696         (reg_or_arith_cint_operand): Delete.
12697         (reg_or_add_cint64_operand): Delete.
12698         (reg_or_sub_cint64_operand): Delete.
12699         (reg_or_logical_cint_operand): Delete.
12700         (got_operand): Delete.
12701         (got_no_const_operand): Delete.
12702         (easy_fp_constant): Delete.
12703         (easy_vector_constant): Delete.
12704         (easy_vector_constant_add_self): Delete.
12705         (zero_constant): Delete.
12706         (zero_fp_constant): Delete.
12707         (volatile_mem_operand): Delete.
12708         (offsettable_mem_operand): Delete.
12709         (mem_or_easy_const_operand): Delete.
12710         (add_operand): Delete.
12711         (non_add_cint_operand): Delete.
12712         (logical_operand): Delete.
12713         (non_logical_cint_operand): Delete.
12714         (mask_operand): Delete.
12715         (mask_operand_wrap): Delete.
12716         (mask64_operand): Delete.
12717         (mask64_2_operand): Delete.
12718         (and64_operand): Delete.
12719         (and64_2_operand): Delete.
12720         (and_operand): Delete.
12721         (reg_or_mem_operand): Delete.
12722         (lwa_operand): Delete.
12723         (symbol_ref_operand): Delete.
12724         (call_operand): Delete.
12725         (current_file_function_operand): Delete.
12726         (input_operand): Delete.
12727         (rs6000_nonimmediate_operand): Delete.
12728         (rs6000_tls_symbol_ref): Delete.
12729         (save_world_operation): Delete.
12730         (restore_world_operation): Delete.
12731         (load_multiple_operation): Delete.
12732         (store_multiple_operation): Delete.
12733         (vrsave_operation): Delete.
12734         (mfcr_operation): Delete.
12735         (mtcrf_operation): Delete.
12736         (lmw_operation): Delete.
12737         (stmw_operation): Delete.
12738         (branch_comparison_operator): Delete.
12739         (branch_positive_comparison_operator): Delete.
12740         (scc_comparison_operator): Delete.
12741         (trap_comparison_operator): Delete.
12742         (boolean_operator): Delete.
12743         (boolean_or_operator): Delete.
12744         (min_max_operator): Delete.
12745         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
12746         (EASY_VECTOR_15): Moved to here.
12747         (EASY_VECTOR_15_ADD_SELF): Move to here.
12748         (PREDICATE_CODES): Delete.
12749         * config/rs6000/rs6000-protos.h: Delete predicate functions.
12750         Declare functions no longer static.
12751         * config/rs6000/predicates.md: New.
12752         * config/rs6000/rs6000.md: Include predicates.md
12753
12754 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
12755
12756         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
12757         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
12758         REG_ALWAYS_RETURN.
12759         * cfgrtl.c (need_fake_edge_p): Likewise.
12760         * combine.c (distribute_notes): Likewise.
12761         * emit-rtl.c (try_split): Likewise.
12762         * recog.c (peephole2_opimize): Likewise.
12763         * reg-notes.def (ALWAYS_RETURN): Remove.
12764         * rtl.h (LCT_ALWAYS_RETURN): Remove.
12765         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
12766         * tree.h (ECF_ALWAYS_RETURN): Remove.
12767
12768 2005-02-28  Roger Sayle  <roger@eyesopen.com>
12769
12770         PR middle-end/19874
12771         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
12772         between different machine modes is never a "useless" conversion.
12773
12774 2005-02-28  Geert Bosch  <bosch@gnat.com>
12775
12776         PR ada/15977
12777         * doc/contrib.texi: List contributors for Ada front end
12778
12779 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
12780
12781         * simplify-rtx.c (simplify_unary_operation_1,
12782         simplify_const_unary_operation): New, extracted from...
12783         (simplify_unary_operation): ... this one.
12784         (simplify_binary_operation_1,
12785         simplify_const_binary_operation): New, extracted from...
12786         (simplify_binary_operation): ... this one.
12787         * rtl.h (simplify_const_unary_operation,
12788         simplify_const_binary_operation): Add prototypes.
12789
12790 2005-02-28  Julian Brown  <julian@codesourcery.com>
12791
12792         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
12793         building libjava and caused PR regression/20228.
12794
12795 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
12796
12797         PR bootstrap/17383
12798         * Makefile.in (host_subdir): New.
12799         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
12800         * configure: Regenerate.
12801
12802 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
12803
12804         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
12805         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
12806         installation directory first.
12807
12808 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
12809
12810         PR target/19065.
12811         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
12812         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
12813         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
12814         * config/cris/cris.md: Tweak comments referring to Q.
12815         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
12816         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
12817         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
12818         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
12819         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
12820         Insert spaces in constraints to align alternatives vertically for
12821         readability.
12822         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
12823         operand 1: "M".
12824
12825 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12826
12827         PR rtl-optimization/17728
12828         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
12829         operand 0 from general_operand to move_dest_operand.
12830
12831 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12832
12833         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
12834         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
12835         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
12836         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
12837
12838 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
12839
12840         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
12841         * configure: Regenerate.
12842         * libada-mk.in: Remove CC; rename
12843         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
12844
12845 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
12846
12847         PR tree-opt/20188
12848         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
12849         for the lhs, also walk over the tree.  Likewise for rhs.
12850
12851 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
12852
12853         * tree-ssa-dom.c (simple_iv_increment_p): New function.
12854         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
12855         Do not propagate value of iv before increment over the increment.
12856
12857 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
12858
12859         * c-parser.c: New file.
12860         * c-parse.in: Remove.
12861         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
12862         Remove.
12863         (c-parser.o): Add dependencies.
12864         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
12865         maintainer-clean, TAGS): Update.
12866         * c-config-lang.in (gtfiles): Update.
12867         * gengtype-lex.l: Don't handle "@@".
12868         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
12869         objc_build_synchronized, objc_begin_try_stmt,
12870         objc_begin_catch_clause, objc_finish_catch_clause,
12871         objc_build_finally_clause, objc_finish_try_stmt): New.
12872         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
12873         type_seen_p.
12874         (c_parse_init): Update comment.
12875         * c-decl.c (c_init_decl_processing): Update comment.
12876         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
12877         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
12878         new c_declspecs members.
12879
12880 2005-02-25  Julian Brown  <julian@codesourcery.com>
12881
12882         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
12883         from being used for symbols with vague linkage when
12884         HAVE_GAS_COMDAT_GROUP is true.
12885
12886 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
12887
12888         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
12889
12890 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
12891
12892         PR target/19930
12893         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
12894         (LIBGCC2_HAS_DF_MODE): New.
12895         (LIBGCC2_HAS_XF_MODE): New.
12896         (LIBGCC2_HAS_TF_MODE): New.
12897         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
12898         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
12899         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
12900         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
12901         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
12902         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
12903         and add _fixtfdi, _fixunstfdi, _floatditf
12904         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
12905         L_fixunstfdi, L_floatditf.
12906         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
12907         (LIBGCC2_HAS_TF_MODE): Define.
12908
12909 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
12910
12911         PR tree-optimization/20204
12912         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
12913         REWRITE_THIS_STMT markers on PHI nodes.
12914         (rewrite_initialize_block): Likewise.
12915
12916 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
12917
12918         * version.c (version_string): Update to 4.1.
12919
12920 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
12921
12922         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
12923         Clarify that the alternative way doesn't work in GNU C++.
12924
12925 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
12926
12927         PR tree-optimization/19937
12928         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
12929         to the type of the induction variable.
12930
12931 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
12932
12933         PR rtl-optimization/20117
12934         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
12935         the block including noncopyable insn.
12936
12937 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
12938
12939         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
12940         calls to find_reg_note.
12941
12942 2005-02-24  Richard Henderson  <rth@redhat.com>
12943
12944         PR tree-opt/20127
12945         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
12946         the type.
12947
12948 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
12949
12950         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
12951         vector types if to use base reg for misaligned non-word ld/std.
12952
12953 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
12954
12955         PR target/14619
12956         * config/cris/cris.c (cris_target_asm_function_prologue): Create
12957         dwarf2 label manually and put it after, not before the prologue.
12958
12959 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
12960
12961         PR target/19019
12962         * reload.c (operands_match_p): Only increment register number for
12963         SCALAR_INT_MODE_P modes in multiple hard registers.
12964
12965         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
12966         Fix formatting.
12967
12968 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
12969
12970         * ChangeLog.5: Fix log message typo(s).
12971         * ChangeLog.7: Likewise.
12972         * ChangeLog.tree-ssa: Likewise.
12973         * cfgexpand.c: Fix comment typo(s).
12974         * conflict.c: Likewise.
12975         * defaults.h: Likewise.
12976         * dwarf2out.c: Likewise.
12977         * gcse.c: Likewise.
12978         * ggc-page.c: Likewise.
12979         * tree-eh.c: Likewise.
12980         * tree-ssa-dom.c: Likewise.
12981
12982 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
12983
12984         PR target/19019
12985         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
12986         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
12987         if SHARED is defined.
12988
12989         PR target/20196
12990         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
12991         allow splitting only if operands 0 and 3 don't overlap.
12992
12993 2005-02-24  Richard Henderson  <rth@redhat.com>
12994
12995         PR middle-end/19953
12996         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
12997         (fold_builtin_1): Call them.
12998         * fold-const.c (fold_complex_mult_parts): Split out from ...
12999         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
13000         (fold_complex_div_parts, fold_complex_div): New.
13001         (fold): Use them.
13002         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
13003
13004 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
13005
13006         * tree-ssa-ccp.c (visit_assignment): Verify that result of
13007         VIEW_CONVERT_EXPR is_gimple_min_invariant.
13008
13009         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
13010         (print_node): Likewise.
13011         Print TYPE_SIZES_GIMPLIFIED.
13012
13013 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
13014
13015         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
13016         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
13017         operands as commutative in constraints.
13018
13019 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
13020
13021         * tree-into-ssa.c: Re-organize internal functions.
13022
13023 2005-02-24  Richard Henderson  <rth@redhat.com>
13024
13025         PR middle-end/18902
13026         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
13027         for c99.
13028         * common.opt (fcx-limited-range): New.
13029         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
13030         * toplev.c (flag_complex_method): Initialize to 1.
13031         (process_options): Set flag_complex_method to 0 if
13032         flag_cx_limited_range.
13033         * doc/invoke.texi (-fcx-limited-range): New.
13034
13035 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
13036
13037         * cse.c (delete_trivially_dead_insns): Speed up by using
13038         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
13039         prev_real_insn.
13040
13041 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
13042
13043         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
13044         functions when -mid-shared-library is being used.
13045
13046 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
13047
13048         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
13049         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
13050         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
13051         * system.h: Poison LINK_LIBGCC_SPECIAL.
13052
13053 2005-02-23  James E Wilson  <wilson@specifixinc.com>
13054
13055         * gengtype.c (note_insn_name): Make 1 element larger.
13056
13057 2005-02-23  Roger Sayle  <roger@eyesopen.com>
13058
13059         PR target/20018
13060         PR rtl-optimization/20097
13061         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
13062         BImode SUBREGs of SImode registers which confuse the ia64 backend.
13063
13064 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
13065
13066         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
13067         * t-aix52 (SHLIB_INSTALL): Same.
13068
13069 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
13070
13071         * genpreds.c: Update copyright.
13072
13073 2005-02-23  Michael Beach  <michaelb@ieee.org>
13074
13075         PR target/20159
13076         * config/sparc/t-elf (startup files): Assemble with CPP.
13077
13078 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
13079
13080         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
13081         (write_predicate_expr): Likewise.
13082
13083 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
13084
13085         PR tree-optimization/20100
13086         PR tree-optimization/20115
13087         * tree-optimize.c (init_tree_optimization_passes): Remove
13088         pass_maybe_create_global_var.
13089         * tree-pass.h (pass_maybe_create_global_var): Remove.
13090         * tree-ssa-alias.c (aliases_computed_p): Declare.
13091         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
13092         (count_calls_and_maybe_create_global_var): Remove.
13093         (pass_maybe_create_global_var): Remove.
13094         (init_alias_info): Do not declare aliases_computed_p.
13095         (maybe_create_global_var): If the function contains no
13096         call-clobbered variables and a mix of pure/const and regular
13097         function calls, create .GLOBAL_VAR.
13098         Mark all call-clobbered variables for renaming.
13099         (merge_pointed_to_info): Update comment.
13100         (add_pointed_to_var): Likewise.
13101         (is_escape_site): Likewise.
13102         Accept struct alias_info * instead of size_t *.
13103         Update all users.
13104         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
13105         as necessary.
13106         * tree-ssa-operands.c (get_call_expr_operands): If
13107         ALIASES_COMPUTED_P is false, do not add call-clobbering
13108         operands.
13109         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
13110         (delete_tree_ssa): Likewise.
13111
13112 2005-02-22  James E Wilson  <wilson@specifixinc.com>
13113
13114         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
13115         (do_compile): Do call it here.
13116
13117 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
13118
13119         PR rtl-optimization/20017.
13120         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
13121         rest_of_handle_cse2, rest_of_handle_gcse): Call
13122         delete_dead_jumptables immediately before calling cleanup_cfg.
13123
13124 2005-02-22  Devang Patel  <dpatel@apple.com>
13125
13126         PR 19952
13127         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
13128         all labels
13129
13130 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
13131
13132         * config/rs6000/aix.h (WINT_TYPE): Define.
13133
13134 2005-02-22  Stan Shebs  <shebs@apple.com>
13135
13136         * config/rs6000/rs6000.c (rs6000_override_options): Default to
13137         natural alignment for 64-bit Darwin.
13138         (rs6000_parse_alignment_option): Warn about uses of -malign-power
13139         on 64-bit Darwin.
13140         * doc/invoke.texi: Document this.
13141
13142 2005-02-22  DJ Delorie  <dj@redhat.com>
13143
13144         * c-common.c (c_common_type_for_mode): Pass the mode's precision
13145         to make_[un]signed_type, not the mode itself.
13146
13147 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
13148
13149         * cfg.c (cached_make_edge): Call make_edge if edge cache is
13150         not available.  Use tail calls wherever possible.
13151         (make_edge): Call unchecked_make_edge to create an edge.
13152
13153         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
13154         (coalesce_ssa_name): Don't check for
13155         SSANORM_USE_COALESCE_LIST.
13156         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
13157
13158 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
13159
13160         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
13161         (rewrite_into_ssa): ... here.
13162
13163 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
13164
13165         PR tree-optimization/19786
13166         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
13167         tag to another's may-alias bitmap when adding to the other's list.
13168
13169 2005-02-21  DJ Delorie  <dj@redhat.com>
13170
13171         * tree-ssa-loop-ivopts.c (computation_cost): Start register
13172         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
13173         registers in unsupported ways.
13174         * expmed.c (init_expmed): Likewise.
13175
13176 2005-02-21  Stan Cox  <scox@redhat.com>
13177
13178         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
13179
13180 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
13181
13182         * tree-cfg.c (fold_cond_expr_cond): New.
13183         (make_edges): Call fold_cond_expr_cond.
13184         (find_taken_edge): Accept nothing but INTEGER_CST.
13185         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
13186         and 1.
13187         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
13188
13189         * flow.c (delete_dead_jumptables): Speed up by scanning insns
13190         that do not belong to any basic block.
13191
13192 2005-02-21  Jeff Law  <law@redhat.com>
13193
13194         * cfganal.c (find_unreachable_blocks): Manually CSE load of
13195         e->dest.
13196
13197 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
13198
13199         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
13200         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
13201         Adjust their definitions.
13202         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
13203         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
13204
13205         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
13206         genautomata.c, langhooks.c, langhooks.h, system.h,
13207         config/arm/lib1funcs.asm: Update copyright.
13208
13209 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
13210
13211         * dbxout.c (dbxout_function_end): Emit Lscope label always.
13212
13213 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
13214
13215         PR bootstrap/13770
13216         * doc/install.texi: Document --with-gc.
13217
13218 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
13219
13220         * simplify-rtx.c (simplify_unary_operation): Add a missing
13221         "break" statement.
13222
13223 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
13224
13225         PR tree-optimization/18663
13226         * tree-ssa-dom.c (extract_range_from_cond): Return 0
13227         if the type has variable bounds.
13228
13229 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
13230
13231         * gcse.c: Remove an obsolete comment.
13232
13233         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
13234
13235 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
13236
13237         * doc/extend.texi (Function Attributes) <Attribute const>: The
13238         attribute "pure" is below this text, not above.
13239
13240 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13241
13242         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
13243         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
13244         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
13245
13246 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
13247
13248         PR 18785
13249         * langhooks.h (struct lang_hooks): Add to_target_charset.
13250         * langhooks.c (lhd_to_target_charset): New function.
13251         * langhooks-def.h: Declare lhd_to_target_charset.
13252         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
13253         (LANG_HOOKS_INITIALIZER): Update.
13254         * c-common.c (c_common_to_target_charset): New function.
13255         * c-common.h: Declare it.
13256         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
13257         c_common_to_target_charset.
13258
13259         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
13260         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
13261         Delete definitions.
13262         * system.h: Poison them.
13263         * doc/tm.texi: Don't discuss them.
13264         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
13265         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
13266         (pp_c_char): Do not attempt to generate letter escapes for
13267         newline, tab, etc.
13268         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
13269         * config/mips/mips.c (mips_output_ascii): Likewise.
13270
13271 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
13272
13273         PR tree-optimization/19951
13274         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
13275         is abnormal.
13276
13277 2005-02-19  Steven Bosscher  <stevenb@suse.de>
13278
13279         PR middle-end/19698
13280         * function.h (struct function): New field `max_loop_depth'.
13281         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
13282         (flow_loops_find): Reset the max loop depth count before finding loops.
13283         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
13284         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
13285         (calculate_global_regs_live): Make sure the loop will terminate
13286         when the initial sets are not empty.
13287
13288 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
13289
13290         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
13291         object inside.
13292         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
13293
13294 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
13295
13296         PR other/19525
13297         * doc/invoke.texi: Remove documentation of %M spec.
13298         * gcc.c: Likewise.
13299         (init_spec): Remove %M suffix from -lgcc_s.
13300         (do_spec_1): Remove 'M' case.
13301         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
13302         to put shared libraries in the multilib directory.  Remove the
13303         shlib_so_soname substitution variable.  Don't add a multilib encoding
13304         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
13305         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
13306         SHLIB_INSTALL as well as SHLIB_LINK.
13307         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
13308         (SHLIB_NAME): Delete.
13309         (SHLIB_DIR): New macro.
13310         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
13311         (SHLIB_INSTALL): Adjust accordingly.
13312         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
13313         * config/t-slibgcc-sld: Likewise.
13314         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
13315         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
13316         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
13317         in $(SHLIB_DIR).
13318         (SHLIBUNWIND_INSTALL): Adjust accordingly.
13319         * config/i386/t-nwld (SHLIB_SONAME): Delete.
13320         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
13321         Use @shlib_base_name@ instead of @shlib_so_name@.
13322         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
13323         and @shlib_base_name@.so in @multilib_dir@.
13324         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
13325         to the install path.
13326         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
13327         (SHLIB_LINK): Remove previous workaround.
13328         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
13329         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
13330         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
13331         the install path.
13332         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
13333         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
13334         (SHLIB_INSTALL): Adjust accordingly.
13335         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
13336         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
13337         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
13338         config/t-slibgcc-elf-ver.
13339
13340 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
13341             Jakub Jelinek  <jakub@redhat.com>
13342
13343         PR tree-optimization/19828
13344         * tree-ssa-loop-im.c: Add a TODO comment.
13345         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
13346         without side-effects.
13347
13348 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
13349
13350         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
13351         call fold_convert.
13352
13353 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
13354
13355         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
13356         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
13357         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
13358         functions.
13359         (ia64_reorg): Delete fixup_errata call.
13360         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
13361         (TARGET_SWITCHES): Delete -mb-step entry.
13362
13363 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
13364
13365         PR c/20043
13366         * c-typeck.c (composite_type): Handle quals in transparent unions.
13367         (type_lists_compatible_p): Likewise.
13368
13369 2005-02-18  Stan Shebs  <shebs@apple.com>
13370
13371         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
13372         expressions in the .literal8 section.
13373
13374 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
13375
13376         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
13377
13378 2005-02-18  Roger Sayle  <roger@eyesopen.com>
13379
13380         * fold-const.c (constant_boolean_node): Always create values of the
13381         specified type, don't bother calling truthvalue_conversion.
13382
13383 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
13384
13385         * except.c (output_function_exception_table): Call
13386         assemble_external_libcall (eh_personality_libfunc).
13387
13388 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
13389
13390         PR target/19886
13391         * config/ia64/ia64.h (struct machine_function): Add state_num.
13392         * config/ia64/ia64.c (process_epilogue,
13393         process_for_unwind_directive): Use new unwind state numbers each
13394         time rather than state 1.
13395
13396 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
13397
13398         PR target/20054
13399         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
13400         before the "*llgt_didi" pattern.
13401
13402 2005-02-18  Jason Merrill  <jason@redhat.com>
13403
13404         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
13405
13406 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
13407
13408         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
13409         (div0): Use it in place of ARM_FUNC_ALIAS.
13410         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
13411
13412 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
13413
13414         PR middle-end/20030
13415         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
13416         access, the lower bound of the array type if it exists.
13417
13418 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
13419
13420         PR c++/20008
13421         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
13422         cases that are out-of-range for the index type.
13423
13424 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
13425
13426         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
13427         (estimate_case_costs): Don't call convert.
13428         * expmed.c (expand_shift): Likewise.
13429         (make_tree): Call fold_convert instead of convert.
13430
13431 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
13432
13433         PR c++/19813
13434         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
13435         that ref to be marked MEM_READONLY_P doesn't have base that needs
13436         constructing.
13437
13438 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
13439
13440         * genautomata.c (output_get_cpu_unit_code_func,
13441         output_cpu_unit_reservation_p): Don't generate old-style function
13442         definitions.
13443
13444 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
13445
13446         PR c++/20023
13447         PR tree-optimization/20009
13448         * convert.c (convert_to_integer): Revert 2005-02-16 change.
13449
13450         PR tree-optimization/18947
13451         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
13452         inline, remove all nodes that are inlined into the extern inline
13453         being redefined.
13454
13455 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
13456
13457         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
13458         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
13459         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
13460         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
13461         Update copyright.
13462
13463 2005-02-17  Roger Sayle  <roger@eyesopen.com>
13464
13465         PR tree-optimization/19917
13466         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
13467         to be potentially trapping.
13468
13469 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
13470
13471         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
13472
13473 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
13474
13475         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
13476         tem becomes a local variable which is set to the value of the
13477         back end defined INITIAL_FRAME_ADDRESS macro.
13478         (expand_builtin_frame_address): Omit the base parameter to
13479         expand_builtin_return_addr.
13480         (expand_builtin_profile_func): Likewise.
13481         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
13482         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
13483         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
13484
13485 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
13486
13487         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
13488         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
13489         * config/frv/frv.c (frv_function_epilogue): Likewise.
13490
13491 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
13492
13493         * lambda-code (perfect_nestify): Remove mark/unmark
13494         for rewriting hack.
13495         * tree-loop-linear.c (linear_transform_loops): Add
13496         rewrite_into_ssa call so that ssa is correct for
13497         rewriting into loop closed.
13498
13499 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
13500
13501         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
13502         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
13503         BITMAP_FREE.
13504         * bt-load.c (btr_def_live_range, combine_btr_defs,
13505         migrate_btr_def, migrate_btr_defs): Likewise.
13506         * cfgcleanup.c (thread_jump): Likewise.
13507         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
13508         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
13509         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
13510         df_rd_local_compute, df_reg_info_compute): Likewise.
13511         * dominance.c (init_dom_info, free_dom_info): Likewise.
13512         * flow.c (init_propagate_block_info,
13513         free_propagate_block_info): Likewise.
13514         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
13515         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
13516         modify_reg_pav): Likewise.
13517         * loop-invariant.c (find_defs, find_invariant_insn,
13518         find_invariants, free_inv_motion_data): Likewise.
13519         * predict.c (tree_predict_by_opcode,
13520         estimate_bb_frequencies): Likewise.
13521         * stmt.c (expand_case): Likewise.
13522         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
13523         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
13524         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
13525         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
13526         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
13527         rewrite_ssa_into_ssa): Likewise.
13528         * tree-optimize.c (tree_rest_of_compilation): Likewise.
13529         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
13530         analyze_edges_for_bb, perform_edge_inserts): Likewise.
13531         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
13532         * tree-sra.c (tree_sra): Likewise.
13533         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
13534         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
13535         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
13536         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
13537         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
13538         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
13539         Likewise.
13540         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
13541         calculate_live_on_entry, calculate_live_on_exit,
13542         build_tree_conflict_graph): Likewise.
13543         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
13544         record_important_candidates, set_use_iv_cost, find_depends,
13545         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
13546         tree_ssa_iv_optimize_finalize): Likewise.
13547         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
13548         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
13549         tree_duplicate_loop_to_header_edge): Likewise.
13550         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
13551         * tree-ssa.c (verify_flow_insensitive_alias_info,
13552         verify_name_tags, verify_ssa, init_tree_ssa,
13553         delete_tree_ssa): Likewise.
13554         * tree-ssanames.c (marked_ssa_names, init_ssanames,
13555         fini_ssanames): Likewise.
13556         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
13557
13558 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
13559
13560         * config/rs6000/t-rtems: Completely reworked.
13561
13562 2005-02-17  Ira Rosen  <irar@il.ibm.com>
13563
13564         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
13565
13566 2005-02-17  Ira Rosen  <irar@il.ibm.com>
13567
13568         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
13569         POINTER_TYPE_P when checking that type is a pointer.
13570         (vect_get_memtag): Remove.
13571         (vect_address_analysis): Use POINTER_TYPE_P. Call
13572         vect_object_analysis with dummy parameter for memtag.
13573         (vect_object_analysis): Extract memtag (functionality that
13574         used to be in vect_get_memtag and moved here). Fix printings.
13575         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
13576         with correct parameters. Remove call to vect_get_memtag.
13577
13578 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
13579
13580         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
13581         (tree-vectorizer.o): Added missing dependencies.
13582
13583         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
13584         decleration.
13585         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
13586         declaration in tree-vectorizer.c, now has an extern declaration in
13587         tree-vectorizer.h).
13588         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
13589         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
13590         get_vectype_for_scalar_type, vect_is_simple_use,
13591         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
13592         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
13593         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
13594         vectorizable_store, vectorizable_operation, vectorizable_assignment,
13595         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
13596         find_loop_location): Likewise.
13597
13598         * tree-vectorizer.c (langhooks.h): #include removed.
13599         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
13600         moved to tree-vectorized.h.
13601         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
13602         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
13603         get_vectype_for_scalar_type, vect_is_simple_use,
13604         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
13605         vect_supportable_dr_alignment, new_loop_vec_info,
13606         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
13607         vect_set_verbosity_level, find_loop_location): Likewise.
13608
13609         (vect_analyze_loop): Function externalized. Declaration moved to
13610         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
13611         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
13612         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
13613         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
13614         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
13615         vect_enhance_data_refs_alignment, vect_analyze_operations,
13616         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
13617         vect_stmt_relevant_p, vect_get_loop_niters,
13618         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
13619         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
13620         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
13621         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
13622         vect_get_memtag): Likewise.
13623
13624         (vectorizable_load): Function externalized. Declaration moved to
13625         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
13626         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
13627         vect_transform_loop): Likewise.
13628         (vect_transform_stmt): Moved to tree-vect-transform.c.
13629         (vect_align_data_ref, vect_create_destination_var,
13630         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
13631         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
13632         vect_get_vec_def_for_operand, vect_init_vector,
13633         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
13634         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
13635         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
13636         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
13637         vect_do_peeling_for_loop_bound): Likewise.
13638
13639         * tree-vect-analyze.c: New file.
13640         * tree-vect-transform.c: New file.
13641
13642 2005-02-17  Jason Merrill  <jason@redhat.com>
13643
13644         PR mudflap/19319, c++/19317
13645         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
13646         slot explicit.
13647
13648 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
13649
13650         * doc/install.texi (Specific): Update link for Darwin-specific
13651         tool binary site.
13652
13653 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
13654
13655         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
13656         constant_boolean_node.
13657
13658 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
13659
13660         PR target/19019
13661         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
13662         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
13663
13664 2005-02-16  Richard Henderson  <rth@redhat.com>
13665
13666         PR 19920
13667         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
13668         with W_TYPE_SIZE.
13669         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
13670         replace uses with Wtype_MAXp1_F.
13671         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
13672         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
13673         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
13674         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
13675         and HAVE_TFMODE as appropriate.
13676         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
13677         (__floatdisf): Likewise.
13678         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
13679         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
13680         (Wtype_MAXp1_F): New.
13681         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
13682         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
13683
13684 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
13685
13686         * PR target/19162
13687         * arm.c (arm_apply_result_size): New function.
13688         * arm.h (APPLY_RESULT_SIZE): Define.
13689         * arm-protos.h (arm_apply_result_size): Add prototype.
13690         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
13691         (movxf): New expand.
13692         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
13693         (call_value_symbol): Remove predicate for operand 0.
13694         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
13695         (untyped_call): Rework to correclty return values for any type.
13696         (untyped_return): New expand.
13697         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
13698
13699 2005-02-16  Stan Shebs  <shebs@apple.com>
13700
13701         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
13702         * config/rs6000/t-darwin8: New, for 64-bit multilib.
13703
13704 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
13705
13706         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
13707         configure settings on Solaris 7 and later.
13708
13709 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
13710
13711         PR tree-optimization/19865
13712         * tree-optimize.c (init_tree_optimization_passes): Run
13713         pass_may_alias after pass_sra.
13714
13715 2005-02-16  Richard Henderson  <rth@redhat.com>
13716             Stuart Hastings  <stuart@apple.com>
13717
13718         PR debug/19521
13719         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
13720         Do nothing if debug info suppressed for this function.
13721         (dbxout_begin_function): Early exit if debug info suppressed for
13722         this function.
13723
13724 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
13725
13726         PR target/20007
13727         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
13728         find_basic_blocks.
13729         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
13730
13731         PR tree-optimization/19967
13732         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
13733         expand_builtin_strchr, expand_builtin_strrchr): Take a new
13734         argument TYPE.  Adjust calls to fold_builtin_XXX.
13735         (expand_builtin, fold_builtin_1): Adjust calls to
13736         expand_builtin_XXX.
13737         (fold_builtin_strchr, fold_builtin_strpbrk,
13738         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
13739         result to a requested type TYPE.
13740
13741 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
13742
13743         PR middle-end/19857
13744         * fold-const.c (fold): Don't optimize (T)(x & cst) to
13745         (T)x & (T)cst if (T)cst overflows.
13746         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
13747         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
13748
13749 2005-02-15  Jeff Law  <law@redhat.com>
13750
13751         * gcse.c (blocks_with_calls): New bitmap.
13752         (alloc_gcse_mem): Allocate it.
13753         (free_gcse_mem): Free it.
13754         (clear_modifY_mem_tables): Clear it.
13755         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
13756         when we encounter CALL_INSNs.
13757         (compute_transp, case MEM): Handle blocks with calls separate
13758         from blocks without calls.  Use bitmap iterators rather than
13759         FOR_EACH_BB.
13760
13761 2005-02-15  Peter O'Gorman  <peter@pogma.com>
13762
13763         PR bootstrap/18810
13764         * mklibgcc.in (vis_hide): Use a temporary object file, not
13765         -o /dev/null.
13766
13767 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
13768
13769         PR target/19924
13770         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
13771         access optimization.
13772
13773 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
13774             Alan Modra  <amodra@bigpond.net.au>
13775
13776         PR target/19019
13777         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
13778         (_xlqsub): Rename to __gcc_qsub.
13779         (_xlqmul): Rename to __gcc_qmul.
13780         (_xlqdiv): Rename to __gcc_qdiv.
13781         Provide versioned symbol aliases with old names.
13782         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
13783         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
13784         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
13785         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
13786         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
13787
13788 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
13789
13790         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
13791         Fold ~(A - 1) and ~(A + -1) to -A.
13792
13793 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
13794
13795         PR pch/14940
13796         PR target/19300
13797         * config/host-linux.c (linux_gt_pch_use_address): Copy from
13798         config/pa/pa-host.c:pa_gt_pch_use_address.
13799
13800 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
13801
13802         * tree-vn.c (get_value_handle): Make sure that given an
13803         is_gimple_min_invariant expression, we always return it.
13804
13805 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
13806
13807         * passes.c (rest_of_handle_gcse): Fix a comment.
13808
13809 2005-02-15  Jeff Law  <law@redhat.com>
13810
13811         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
13812         bitmap.
13813         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
13814         (canon_list_insert, record_last_mem_set_info): Similarly.
13815         (clear_modify_mem_tables): Similarly.
13816
13817 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
13818
13819         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
13820         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
13821         config/mips/mips.md, config/rs6000/aix.h,
13822         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
13823
13824 2005-02-15  Richard Henderson  <rth@redhat.com>
13825
13826         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
13827         call to be best_edge.
13828
13829 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
13830
13831         * basic-block.h: Adjust the prototype for find_basic_blocks.
13832         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
13833         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
13834         find_basic_blocks.
13835
13836         * flow.c (recompute_reg_usage): Remove all arguments.
13837         * passes.c (rest_of_compilation): Adjust the call to
13838         recompute_reg_usage.
13839         * rtl.h: Adjust the prototype for recompute_reg_usage.
13840
13841 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
13842
13843         * tree-dump.c (dump_files): Update to reflect new member
13844         of dump_file_info.
13845         (dump_register): Add new argument.
13846         Set glob name.
13847         (dump_switch_p_1): Check against glob name if doglob was passed.
13848         (dump_switch_p): Check against regular first, then glob if
13849         we didn't have any hits on the dump name.
13850         * tree-optimize.c (register_one_dump_file):
13851         Pass in glob name as well.
13852         * tree-pass.h (struct dump_file_info): Add glob
13853         member.
13854
13855 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
13856
13857         PR preprocessor/16323
13858         * doc/invoke.texi: Document that -Wendif-labels is on by default.
13859
13860 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
13861
13862         PR target/19019
13863         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
13864         (trunctfdf2_internal1): New.
13865         (trunctfdf2_internal2): Renamed from trunctfdf2.
13866
13867 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
13868
13869         PR tree-optimization/19853
13870         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
13871
13872 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
13873
13874         * passes.c (rest_of_handle_loop_optimize): Remove calls to
13875         delete_dead_jumptables and cleanup_cfg.
13876
13877 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
13878
13879         * reload.c (find_reloads): Swap address_reloaded flags when
13880         swapping commutative operands.
13881
13882 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
13883
13884         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
13885         Use standard_iv_increment_position for computing the bsi position
13886         for create_iv.
13887         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
13888         the bsi position.
13889
13890 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
13891
13892         PR target/17428
13893         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
13894         life range of hard registers.
13895         * value-prof.c (insn_prefetch_values_to_profile): Only
13896         scan normal insns.
13897
13898         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
13899         profile in libcalls.
13900
13901 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
13902
13903         * bitmap.h (bitmap_and_compl_into): Return bool.
13904         * bitmap.c (bitmap_and_compl_into): Return changed flag.
13905
13906 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
13907
13908         PR tree-optimization/19944
13909         * fold-const.c (fold): Re-add ABS_EXPR folding.
13910
13911 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
13912
13913         PR target/19019
13914         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
13915         {TARGET,MASK}_XL_COMPAT.
13916         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
13917         MASK_XL_COMPAT.
13918         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
13919         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
13920         TARGET_XL_COMPAT.
13921         (rs6000_arg_partial_bytes): Same.
13922         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
13923         and XL compatibility enabled.
13924         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
13925         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
13926         test to final condition.
13927         (cmptf_internal2): New.
13928         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
13929         xl-compat.  Add TFmode information to description.
13930
13931 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
13932
13933         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
13934
13935 2005-02-13  Jason Merrill  <jason@redhat.com>
13936
13937         PR c++/16405
13938         * fold-const.c (fold_indirect_ref_1): Split out from...
13939         (build_fold_indirect_ref): Here.
13940         (fold_indirect_ref): New fn.
13941         * tree.h: Declare it.
13942         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
13943         (gimplify_modify_expr_rhs): Likewise.
13944         (gimplify_expr): Likewise.
13945
13946 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
13947
13948         PR tree-optimization/14303
13949         PR tree-optimization/15784
13950         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
13951         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
13952         ABS_EXPR<x> != 0 to x != 0.
13953
13954 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
13955
13956         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
13957         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
13958         spelling conventions.
13959
13960         * passes.c (rest_of_handle_gcse): Don't run cse_main and
13961         delete_trivially_dead_insns too many times.
13962
13963         * passes.c (rest_of_handle_gcse): Remove dead assignments to
13964         tem and tem2.
13965
13966 2005-02-12  Ira Rosen  <irar@il.ibm.com>
13967
13968         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
13969         (vect_is_simple_iv_evolution): Remove redundant parameter
13970         and step check.
13971         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
13972         without last parameter.
13973         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
13974         Return pointer step. Call vect_is_simple_iv_evolution without
13975         last parameter. Check only that the step is multiple of size
13976         type. Remove stmt_vinfo updates.
13977         (vect_get_memtag_and_dr): Remove.
13978         (vect_get_memtag): New function.
13979         (vect_address_analysis): New function.
13980         (vect_object_analysis): New function.
13981         (vect_analyze_data_refs): Call vect_object_analysis and
13982         vect_get_memtag. Update stmt_vinfo fields.
13983
13984 2005-02-12  Ira Rosen  <irar@il.ibm.com>
13985
13986         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
13987         exist and are objects. Remove checks for pointer.
13988         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
13989         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
13990         (vect_create_data_ref_ptr): Likewise.
13991         (vect_base_addr_differ_p): New function.
13992         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
13993         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
13994         Don't set the DR_BASE_NAME field of data-ref.
13995         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
13996
13997 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
13998
13999         * optabs.h (enum optab_index): Add new OTI_ldexp.
14000         (ldexp_optab): Define corresponding macro.
14001         * optabs.c (init_optabs): Initialize ldexp_optab.
14002         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
14003         patterns.
14004         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
14005         using ldexp_optab.
14006         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
14007         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
14008
14009         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
14010         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
14011         intrinsics.
14012
14013 2005-02-12  Ira Rosen  <irar@il.ibm.com>
14014
14015         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
14016         to base_address.
14017         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
14018         stmt_vec_info.
14019         (vect_get_base_and_offset): Always return an address.
14020         (vect_create_addr_base_for_vector_ref): Remove treatment for
14021         different data reference types.
14022         (vect_compute_data_ref_alignment): Rename base to base_address in
14023         stmt_vec_info. Get the object in order to force its alignment.
14024         (vect_get_memtag_and_dr): Rename base to base_address in
14025         stmt_vec_info. Extract the object for memtag analysis.
14026
14027 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
14028
14029         PR regression/19898.
14030         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
14031         changes cc_status, use apply modified_in_p to part of cc_status
14032         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
14033         body.
14034
14035 2005-02-11  Richard Henderson  <rth@redhat.com>
14036
14037         * tree-complex.c (expand_complex_libcall): New.
14038         (expand_complex_multiplication): Use it for c99 compliance.
14039         (expand_complex_division): Likewise.
14040         * fold-const.c (fold_complex_add, fold_complex_mult): New.
14041         (fold): Call them.
14042         * builtins.c (built_in_names): Remove const.
14043         * tree.c (build_common_builtin_nodes): Build complex arithmetic
14044         builtins.
14045         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
14046         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
14047         (built_in_names): Remove const.
14048         * c-common.c (c_common_type_for_mode): Handle complex modes.
14049         * flags.h, toplev.c (flag_complex_method): Rename from
14050         flag_complex_divide_method.
14051         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
14052         __mulsc3, __muldc3, __mulxc3, __multc3): New.
14053         * libgcc2.h: Declare them.
14054         * libgcc-std.ver: Export them.
14055         * mklibgcc.in (lib2funcs): Build them.
14056
14057 2005-02-11  Steven Bosscher  <stevenb@suse.de>
14058
14059         PR tree-optimization/19876
14060         Partially revert my change from 2005-01-14
14061         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
14062         (compute_antic): ...and remove the loop here.
14063
14064 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
14065
14066         PR middle-end/19858
14067         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
14068         is number of inner's bits, avoid creating a BIT_FIELD_REF.
14069
14070         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
14071         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
14072
14073 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
14074
14075         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
14076         offsets for the big-endian 32-bit case.
14077
14078 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
14079
14080         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
14081
14082 2005-02-11  Dale Johannesen  <dalej@apple.com>
14083
14084         * cselib.c (cselib_process_insn):  Clear out regs where
14085         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
14086         * reload.c (find_equiv_reg): Ditto.
14087
14088 2005-02-11  Ian Lance Taylor  <ian@airs.com>
14089
14090         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
14091         with no elements.
14092
14093         * tree.c (build_function_type_list): Work correctly if there are
14094         no arguments.
14095
14096 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
14097
14098         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
14099         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
14100         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
14101         TARGET_ZARCH instead of TARGET_64BIT.
14102
14103 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
14104
14105         * config/rs6000/t-rtems:
14106         (MULTILIB_OPTIONS): Remove mcpu=602.
14107         (MUTLILIB_DIRNAMES): Remove m602.
14108         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
14109         Let mcpu=602 match mcpu=603.
14110         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
14111
14112 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14113
14114         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
14115         signal trampolines.
14116
14117 2005-02-10  David Daney  <ddaney@avtrex.com>
14118
14119         * config/alpha/linux-unwind.h: Add exception clause to copyright.
14120         * config/i386/linux-unwind.h: Likewise.
14121         * config/ia64/linux-unwind.h: Likewise.
14122         * config/mips/linux-unwind.h: Likewise.
14123         * config/pa/linux-unwind.h: Likewise.
14124         * config/rs6000/linux-unwind.h: Likewise.
14125         * config/s390/linux-unwind.h: Likewise.
14126         * config/sh/linux-unwind.h: Likewise.
14127         * config/sparc/linux-unwind.h: Likewise.
14128
14129 2005-02-10  Steven Bosscher  <stevenb@suse.de>
14130
14131         PR tree-optimization/17549
14132         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
14133         TER to replace a DEF with its expression if the DEF and the
14134         rhs of the expression we replace into have the same root
14135         variable.
14136
14137 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
14138
14139         * config/mips/mips.md: Fix the placement of the match_scratch in the
14140         lea64 peephole2.
14141
14142 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
14143
14144         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
14145         Fix comment typos.
14146
14147 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
14148
14149         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
14150         (strip_offset): Handle addresses.
14151         (add_address_candidates): Use strip_offset.
14152         (difference_cost): Reflect strip_offset change.
14153         (force_var_cost, difference_cost): Strip nops.
14154
14155 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
14156
14157         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
14158
14159         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
14160         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
14161         config/cris/cris-protos.h, config/cris/cris.c: Update
14162         copyright.
14163
14164 2005-02-10  Jeff Law  <law@redhat.com>
14165
14166         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
14167         (lookup_avail_expr): Similarly.
14168
14169 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
14170
14171         * builtins.c (fold_builtin_powi): New function.
14172         (fold_builtin_1): Call it.
14173
14174 2005-02-10  Steven Bosscher  <stevenb@suse.de>
14175
14176         PR documentation/19309
14177         * doc/cpp.texi: The __GNUC__ and related predefined macros
14178         are also defined for the "standalone" cpp.
14179         Some non-GCC compilers may also define __GNUC__.
14180
14181 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
14182
14183         PR c/19342
14184         * c-typeck.c (common_type): New routine.  Old common_type renamed
14185         to...
14186         (c_common_type): ...this.
14187         (build_conditional_expr, build_binary_op): Use c_common_type instead
14188         of common_type.
14189
14190 2005-02-10  Steven Bosscher  <stevenb@suse.de>
14191
14192         * doc/md.texi: Replace @samp{length} with @code{length}.
14193
14194 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
14195
14196         PR tree-optimization/18687
14197         * tree-flow.h (find_loop_niter): Declare.
14198         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
14199         Try using scev even for loops with more than one exit.
14200         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
14201         (struct ivopts_data): Added niters field.
14202         (struct nfe_cache_elt): New.
14203         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
14204         functions.
14205         (tree_ssa_iv_optimize_init): Initialize niters cache.
14206         (determine_number_of_iterations): Removed.
14207         (find_induction_variables): Do not call determine_number_of_iterations.
14208         Access niters for single exit through niter_for_single_dom_exit.
14209         (add_iv_outer_candidates): Access niters for single exit through
14210         niter_for_single_dom_exit.
14211         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
14212         number_of_iterations_cond.
14213         (iv_period): New function.
14214         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
14215         (may_replace_final_value): Take data argument.  Use
14216         niter_for_single_dom_exit.
14217         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
14218         (rewrite_use_compare): Pass data to may_eliminate_iv.
14219         (rewrite_use_outer): Pass data to may_replace_final_value.
14220         (free_loop_data): Clean up the niters cache.
14221         (tree_ssa_iv_optimize_finalize): Free the niters cache.
14222         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
14223         * tree-ssa-loop-niter.c (find_loop_niter): New function.
14224         (find_loop_niter_by_eval): Use tree_int_cst_lt.
14225         (num_ending_zeros): Moved to tree.c.
14226         * tree.h (num_ending_zeros): Declare.
14227         * tree.c (num_ending_zeros): Moved from tree.c.
14228
14229 2005-02-09  Richard Henderson  <rth@redhat.com>
14230
14231         * builtins.c (DEF_BUILTIN): Add COND argument.
14232         * tree.h (DEF_BUILTIN): Likewise.
14233         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
14234         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
14235         match.
14236         (DEF_BUILTIN_STUB): New.
14237         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
14238         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
14239         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
14240         * c-common.c (DEF_BUILTIN): Add COND argument.
14241         * tree.c (local_define_builtin): New.
14242         (build_common_builtin_nodes): New.
14243
14244 2005-02-09  Roger Sayle  <roger@eyesopen.com>
14245
14246         * fold-const.c (fold_strip_sign_ops): New function to simplify a
14247         floating point expression ignoring the sign of the result.
14248         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
14249         (fold) <MULT_EXPR>: Use it to simplify x*x.
14250         * tree.h (fold_strip_sign_ops): Prototype here.
14251         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
14252         argument.  Use fold_strip_sign_ops to simplify the first argument.
14253         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
14254         first argument when the second argument is an even integer
14255         constant, but only with -funsafe_math_optimizations.
14256         (fold_builtin_1): Update call to fold_builtin_copysign.
14257
14258 2005-02-09  Ian Lance Taylor  <ian@airs.com>
14259
14260         PR middle-end/19583
14261         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
14262         just check whether EH_FILTER_FAILURE falls through.
14263
14264 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
14265
14266         * gcc/haifa-sched.c (schedule_block): Make queued sched group
14267         insns return to ready list in the next turn.
14268
14269 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
14270
14271         PR middle-end/19402
14272         * builtins.def: New __builtin_powi[lf].
14273         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
14274         (expand_builtin_powi): New function.
14275         (expand_builtin): Dispatch to expand_builtin_powi.
14276         * libgcc2.h: Add prototypes for __builtin_powi[lf].
14277         * libgcc2.c: Add __builtin_powi[lf] implementation.
14278         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
14279         * optabs.h: Add powi_optab.
14280         * optabs.c (init_optabs): Initialize powi_optab.
14281         * doc/extend.texi: Document __builtin_powi[lf].
14282
14283 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
14284
14285         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
14286         exists.
14287
14288 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
14289
14290         PR middle-end/19854
14291         * fold-const.c (try_move_mult_to_index): Remove redundant
14292         type argument.  Create ADDR_EXPR with correct type.
14293         (fold): Update callers of try_move_mult_to_index.  Convert
14294         result to the appropriate type.
14295
14296 2005-02-09  Roger Sayle  <roger@eyesopen.com>
14297
14298         PR target/19597
14299         * config/avr/avr.c (default_rtx_costs): Delete.
14300         (avr_operand_rtx_cost): New function.
14301         (avr_rtx_costs): Completely rewrite.
14302
14303 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
14304
14305         PR target/19806
14306         * config/cris/cris.c (in_code): New variable.
14307         (cris_output_addr_const): Now a static function, a wrapper for
14308         output_addr_const.
14309         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
14310         case from old cris_output_addr_const.
14311         (cris_asm_output_label_ref): Similar for LABEL_REF.
14312         (cris_output_addr_const_extra): Similar for UNSPEC.
14313         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
14314         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
14315         * config/cris/cris-protos.h (cris_output_addr_const): Remove
14316         declaration.
14317         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
14318         (cris_asm_output_label_ref): Declare.
14319
14320 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
14321
14322         PR preprocessor/19801
14323         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
14324         filenames that changed when libcpp was moved to the toplevel.
14325
14326 2005-02-07  Roger Sayle  <roger@eyesopen.com>
14327
14328         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
14329         zero extensions of BImode operands.  Call lowpart_subreg instead
14330         of gen_lowpart_common and gen_lowpart_SUBREG.
14331
14332 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
14333
14334         PR ada/19489
14335         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
14336         * configure.ac: Set cc_for_cross_gnattools.
14337         * configure: Regenerate.
14338
14339 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
14340
14341         PR target/19803
14342         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
14343
14344 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
14345
14346         PR debug/19327
14347         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
14348         of nested functions.
14349
14350 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
14351
14352         * doc/extend.texi: Document deprecated extensions allowing
14353         static floating-point members to have initializers and allowing
14354         floating-point literals in integral constant expressions.
14355
14356 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
14357
14358         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
14359         config/darwin7.h, config/mips/mips.c,
14360         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
14361         Update copyright.
14362
14363         * cse.c: Update comments.
14364
14365 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
14366
14367         PR middle-end/19775
14368         * builtins.c (fold_builtin_sqrt): Transform
14369         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
14370         pow(x,y*0.5).
14371
14372 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
14373             Dorit Naishlos  <dorit@il.ibm.com>
14374
14375         * doc/invoke.texi (ftree-vectorizer-verbose): New.
14376         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
14377         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
14378         was added.
14379         * tree.h (vect_set_verbosity_level): New extern function declaration
14380         added.
14381         * tree-vectorizer.h (verbosity_levels): New enum type.
14382         * tree-vectorizer.c (vect_debug_stats): Function removed.
14383         (vect_debug_details): Likewise.
14384         (vect_verbosity_level): Global variable was defined and initialized.
14385         (vect_dump): Global variable definition.
14386         (vect_print_dump_info): New function.
14387         (vect_set_dump_settings): New function.
14388         (vect_set_verbosity_level): New function.
14389         (vectorize_loops): Add call to vect_set_dump_settings.
14390
14391         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
14392         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
14393         (slpeel_tree_peel_loop_to_edge): Likewise.
14394
14395         (vect_analyze_offset_expr): Call to vect_print_dump_info with
14396         appropriate verbosity level instead of call to vect_debug_details
14397         or vect_debug_stats.
14398         (vect_get_base_and_offset):
14399         (vect_create_addr_base_for_vector_ref):
14400         (get_vectype_for_scalar_type):
14401         (vect_create_data_ref_ptr):
14402         (vect_init_vector):
14403         (vect_get_vec_def_for_operand):
14404         (vect_finish_stmt_generation):
14405         (vectorizable_assignment):
14406         (vectorizable_operation):
14407         (vectorizable_store):
14408         (vectorizable_load):
14409         (vect_transform_stmt):
14410         (vect_update_ivs_after_vectorizer):
14411         (vect_do_peeling_for_loop_bound):
14412         (vect_update_inits_of_drs):
14413         (vect_do_peeling_for_alignment):
14414         (vect_transform_loop):
14415         (vect_is_simple_use):
14416         (vect_analyze_operations):
14417         (vect_is_simple_iv_evolution):
14418         (vect_analyze_scalar_cycles):
14419         (vect_analyze_data_ref_dependence):
14420         (vect_analyze_data_ref_dependences):
14421         (vect_compute_data_ref_alignment):
14422         (vect_enhance_data_refs_alignment):
14423         (vect_analyze_data_refs_alignment):
14424         (vect_analyze_data_ref_access):
14425         (vect_analyze_data_ref_accesses):
14426         (vect_analyze_pointer_ref_access):
14427         (vect_get_memtag_and_dr):
14428         (vect_analyze_data_refs):
14429         (vect_mark_relevant):
14430         (vect_stmt_relevant_p):
14431         (vect_mark_stmts_to_be_vectorized):
14432         (vect_can_advance_ivs_p):
14433         (vect_get_loop_niters):
14434         (vect_analyze_loop_form):
14435         (vect_analyze_loop):
14436         (vectorize_loops): Likewise.
14437
14438         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
14439         (vect_update_inits_of_drs):
14440         (vect_do_peeling_for_alignment):
14441         (vect_transform_loop):
14442         (vect_analyze_operations):
14443         (vect_analyze_scalar_cycles):
14444         (vect_analyze_data_ref_dependences):
14445         (vect_analyze_data_refs_alignment):
14446         (vect_analyze_data_ref_accesses):
14447         (vect_analyze_data_refs):
14448         (vect_mark_stmts_to_be_vectorized):
14449         (vect_get_loop_niters):
14450         (vect_analyze_loop_form):
14451         (vect_analyze_loop): Likewise.
14452         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
14453
14454 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
14455
14456         PR bootstrap/19796
14457         Revert:
14458         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
14459         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
14460         either -ffast-math or -funsafe-math-optimizations is in use.
14461
14462         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
14463         * config/mips/irix-csr.c: New file.
14464         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
14465         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
14466         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
14467         executables.
14468
14469 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
14470
14471         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
14472         redundant, incorrect definitions.
14473
14474         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
14475         expand.
14476         ("*tls_indirect_call"): New, reference hard regs directly.
14477         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
14478
14479 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
14480
14481         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
14482         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
14483
14484 2005-02-06  Roger Sayle  <roger@eyesopen.com>
14485
14486         PR rtl-optimization/19800
14487         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
14488         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
14489         gen_lowpart.
14490
14491 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
14492
14493         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
14494
14495 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
14496
14497         PR other/17135
14498         * doc/invoke.texi: Correct documentation of -freorder-functions.
14499
14500 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
14501
14502         PR other/14402
14503         * doc/invoke.texi: Don't mention gccbug.
14504
14505 2005-02-06  Roger Sayle  <roger@eyesopen.com>
14506             Andrew Pinski  <pinskia@physics.uc.edu>
14507             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
14508
14509         * simplify-rtx.c (simplify_relational_operation_1): Simplify
14510         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
14511         into just (zero_extract:SI FOO (const_int 1) BAR).
14512
14513 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
14514
14515         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
14516         macro locally.  Don't give last revision date.  Use GCC version
14517         number from gcc-common.texi.
14518         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
14519         revision date.  Use GCC version number from gcc-common.texi.
14520         Describe being a library as current state rather than as 3.x
14521         history.
14522         * doc/gcc.texi: Remove last update date.
14523         * doc/gccint.texi: Likewise.  Update copyright dates.
14524         * doc/install.texi: Update copyright dates.
14525
14526 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
14527
14528         PR other/7549
14529         * doc/invoke.texi: Mention for each option included in -Wall that
14530         it is included in -Wall.
14531         * doc/gcc.texi: Update copyright and last modification date.
14532
14533 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
14534
14535         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
14536         unnecessary cast to original induction variable increments.
14537
14538 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
14539
14540         PR tree-optimization/18219
14541         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
14542         in distributed form.
14543
14544 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
14545
14546         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
14547         Set bitpos and offset later in the function.  Do nothing if the
14548         target is a register and if the bitfield lies completely outside
14549         that register.
14550         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
14551         here.  Return an uninitialised register if the source value is stored
14552         in a register and the bitfield lies completely outside that register.
14553
14554 2005-02-06  Steven Bosscher  <stevenb@suse.de>
14555
14556         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
14557         not SET_DEST.
14558
14559 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
14560
14561         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
14562
14563 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
14564
14565         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
14566         * config/darwin8.h: New.
14567         * config/darwin7.h: Update comment.
14568
14569 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
14570             Dorit Naishlos  <dorit@il.ibm.com>
14571
14572         * tree-vectorizer.h (LOC): New type.
14573         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
14574         (loop_line_number): New field in struct _loop_vec_info.
14575         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
14576
14577         * tree-vectorizer.c (input.h): Included.
14578         (find_loop_location): New function.
14579         (vect_debug_stats): Argument changed from loop to LOC. Computation of
14580         loop line number removed.
14581         (vect_debug_details): Likewise.
14582         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
14583
14584         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
14585         call to vect_debug_details/stats changed from loop to loop_loc.
14586         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
14587         (slpeel_tree_peel_loop_to_edge): Likewise.
14588
14589         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
14590         changed from NULL to UNKNOWN_LOC.
14591         (vect_get_base_and_offset):
14592         (vect_create_addr_base_for_vector_ref):
14593         (get_vectype_for_scalar_type):
14594         (vect_create_data_ref_ptr):
14595         (vect_init_vector):
14596         (vect_get_vec_def_for_operand):
14597         (vect_finish_stmt_generation):
14598         (vectorizable_assignment):
14599         (vectorizable_operation):
14600         (vectorizable_store):
14601         (vectorizable_load):
14602         (vect_transform_stmt):
14603         (vect_update_ivs_after_vectorizer):
14604         (vect_do_peeling_for_loop_bound):
14605         (vect_do_peeling_for_alignment):
14606         (vect_transform_loop):
14607         (vect_is_simple_use):
14608         (vect_analyze_operations):
14609         (vect_is_simple_iv_evolution):
14610         (vect_analyze_scalar_cycles):
14611         (vect_analyze_data_ref_dependences):
14612         (vect_compute_data_ref_alignment):
14613         (vect_enhance_data_refs_alignment):
14614         (vect_analyze_data_ref_access):
14615         (vect_analyze_data_ref_accesses):
14616         (vect_analyze_pointer_ref_access):
14617         (vect_get_memtag_and_dr):
14618         (vect_analyze_data_refs):
14619         (vect_mark_relevant):
14620         (vect_stmt_relevant_p):
14621         (vect_mark_stmts_to_be_vectorized):
14622         (vect_can_advance_ivs_p):
14623         (vect_get_loop_niters):
14624         (vect_analyze_loop):
14625         (vectorize_loops): Likewise.
14626
14627         (vectorizable_load): Argument in call to vect_debug_details/stats
14628         changed from loop to LOOP_LOC (loop_vinfo).
14629         (vect_transform_loop):
14630         (vect_analyze_operations):
14631         (vect_analyze_scalar_cycles):
14632         (vect_analyze_data_ref_dependence):
14633         (vect_enhance_data_refs_alignment):
14634         (vect_analyze_data_ref_accesses):
14635         (vect_analyze_pointer_ref_access):
14636         (vect_analyze_data_refs):
14637         (vect_analyze_loop): Likewise.
14638
14639         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
14640         changed from loop to loop_loc.
14641
14642         (vect_enhance_data_refs_alignment): Removed unused variable loop.
14643
14644 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
14645             Dorit Naishlos  <dorit@il.ibm.com>
14646
14647         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
14648         declaration added.
14649         (vect_analyze_data_ref_dependences): Likewise.
14650
14651         (vect_is_simple_use): Argument changed from loop structure to
14652         loop_vect_info structure.
14653         (vect_can_advance_ivs_p): Likewise.
14654         (vect_create_index_for_vector_ref): Likewise.
14655         (vect_update_ivs_after_vectorizer): Likewise.
14656         (new_stmt_vec_info): Likewise.
14657
14658         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
14659         changed from loop to loop_vinfo.
14660         (vect_create_data_ref_ptr): First argument in call to
14661         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
14662         (vectorizable_assignment): Second argument in call to vect_is_simple_use
14663         was changed from loop to loop_vinfo.
14664         (vectorizable_operation): Likewise.
14665         (vectorizable_store): Likewise.
14666         (vect_mark_stmts_to_be_vectorized): Likewise.
14667         (vect_do_peeling_for_loop_bound): First argument in call to
14668         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
14669         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
14670         was changed from loop to loop_vinfo.
14671         (vect_analyze_data_ref_dependences): Third argument in call to
14672         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
14673
14674         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
14675         (vect_create_data_ref_ptr): Likewise.
14676         (vect_init_vector): Likewise.
14677         (vect_get_vec_def_for_operand): Likewise.
14678         (vectorizable_assignment): Likewise.
14679         (vectorizable_operation): Likewise.
14680         (vectorizable_store): Likewise.
14681         (vectorizable_load): Likewise.
14682         (vect_update_ivs_after_vectorizer): Likewise.
14683         (vect_is_simple_use): Likewise.
14684         (vect_analyze_data_ref_dependence): Likewise.
14685         (vect_analyze_pointer_ref_access): Likewise.
14686         (vect_can_advance_ivs_p): Likewise.
14687
14688         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
14689         before _stmt_vec_info.
14690         (_stmt_vec_info): Loop field replaced by loop_vec_info.
14691         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
14692         (new_stmt_vec_info): Argument changed from loop structure to
14693         loop_vect_info structure
14694
14695         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
14696         (vect_analyze_offset_expr): Avoid 80 columns overflow.
14697         (vect_create_addr_base_for_vector_ref): Likewise.
14698         (vect_analyze_pointer_ref_access): Likewise.
14699
14700 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
14701
14702         PR tree-opt/19768
14703         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
14704         phi flag if the phi is abnormal.
14705
14706 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
14707
14708         PR tree-opt/19736
14709         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
14710         information for the new statement.
14711
14712 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
14713
14714         PR driver/19117
14715         * gcc.c (main): Include the target in -v output.
14716
14717 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
14718
14719         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
14720         Do not drop the extend if we'd have to add a paradoxical subreg
14721         later.  Include optabs.h and insn-codes.h.
14722         * Makefile.in (combine.o): Depend on $(OPTABS_H).
14723
14724 2005-02-02  Roger Sayle  <roger@eyesopen.com>
14725
14726         PR middle-end/19405
14727         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
14728         * fold-const.c (const_binop): Avoid constant folding floating
14729         point operations in modes that use composite representations.
14730         * simplify-rtx.c (simplify_binary_operation): Likewise.
14731
14732 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
14733
14734         * config/rs6000/altivec.md (altivec_dst): Make the first operand
14735         a REG, not a MEM.
14736         (altivec_dstt): Likewise.
14737         (altivec_dstst): Likewise.
14738         (altivec_dststt): Likewise.
14739         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
14740         of first operand.
14741
14742 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
14743
14744         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
14745         EXPR_LOCUS from orig_cond to the new cond_stmt.
14746         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
14747         the new vec_stmt.
14748
14749 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
14750
14751         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
14752         standard_iv_increment_position. Remove call to bsi_next
14753         (no need to bump the iterator anymore).
14754         (vect_create_index_for_vector_ref): Call
14755         standard_iv_increment_position. Remove second function argument.
14756         (vect_finish_stmt_generation): Remove call to bsi_next
14757         (no need to bump the iterator anymore).
14758         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
14759         to vect_create_index_for_vector_ref.
14760
14761 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
14762
14763         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
14764         phis are used out of the loop.
14765
14766 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
14767
14768         PR c/17807
14769         * c-decl.c (undef_nested_function): New variable.
14770         (pop_scope): Diagnose undefined nested functions.
14771         (finish_function): Don't attempt cgraph processing or genericizing
14772         if current top-level function contained an undefined nested
14773         function.  Reset undef_nested_function at the end of a top-level
14774         function.
14775
14776 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
14777
14778         * tree.c (build_int_cst_type): Take sign of the value into account
14779         when deciding whether sign extend the value.
14780
14781 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
14782
14783         PR c/18502
14784         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
14785         (cpp_options, cc1_options): Change %{std*&ansi} to
14786         %{std*&ansi&trigraphs}.
14787
14788 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
14789
14790         * cse.c: Update comments.
14791
14792 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
14793
14794         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
14795         arguments go on the stack.  Do not put complex doubles in odd/even
14796         pairs.
14797
14798 2005-02-02  Steven Bosscher  <stevenb@suse.de>
14799
14800         * doc/invoke.texi: Update the options enabled at -O1, -O2,
14801         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
14802         -ftree-pre, and -fthread-jumps.
14803
14804 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
14805
14806         PR tree-optimization/19578
14807         * tree-flow.h (modified_noreturn_calls): Declare.
14808         (noreturn_call_p): Declare.
14809         * tree-flow-inline.h (noreturn_call_p): New function.
14810         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
14811         * tree-cfg.c (modified_noreturn_calls): New variable.
14812         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
14813         that contain a mid-block noreturn call.
14814         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
14815
14816 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
14817
14818         * df.c (df_def_record_1, df_uses_record): Don't use
14819         DF_FOR_REGALLOC.
14820         * df.h (DF_FOR_REGALLOC): Remove.
14821
14822 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
14823
14824         PR c/19435
14825         * c-typeck.c (really_start_incremental_init): Reset
14826         constructor_max_index for arrays of incomplete type.
14827
14828 2005-02-02  Jeff Law  <law@redhat.com>
14829
14830         * gcse.c (struct reg_set): Store the block index where the register
14831         was set rather than the setting insn.
14832         (record_one_set, compute_transp): Corresponding changes.
14833         (pre_insert_copy_insn): Do not call replace_one_set.
14834         (replace_one_set): Remove.
14835
14836 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
14837
14838         PR other/15514
14839         * doc/gcov.texi: Fix typo.
14840
14841 2005-02-01  Richard Henderson  <rth@redhat.com
14842
14843         PR target/19680
14844         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
14845         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
14846         type to bool.
14847         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
14848         * config/i386/i386-protos.h: Update.
14849
14850 2005-02-01  Steven Bosscher  <stevenb@suse.de>
14851
14852         PR tree-optimization/19217
14853         * tree-cfg.c (verify_expr): Use the data field to see if TP was
14854         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
14855         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
14856         that it is walking a PHI node.
14857
14858 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
14859
14860         * doc/extend.texi (Nested Functions): Update.
14861
14862 2005-02-01  Richard Henderson  <rth@redhat.com>
14863
14864         PR 19696
14865         * optabs.c (expand_copysign_absneg): Export.
14866         * optabs.h (expand_copysign_absneg): Declare.
14867         * config/rs6000/rs6000.md (copysigntf3): New.
14868
14869 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
14870
14871         PR tree-optimization/19633
14872         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
14873         * tree-ssa-alias.c (init_alias_info): Initialize.
14874         (merge_pointed_to_info): Set.
14875         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
14876         (dump_points_to_info_for): Show value of pt_null.
14877         (struct count_ptr_d): Declare.
14878         (find_ptr_dereference): Remove.
14879         (ptr_is_dereferenced_by): Remove.
14880         (count_ptr_derefs): New local function.
14881         (count_uses_and_derefs): New local function.
14882         (compute_points_to_and_addr_escape): Call it.  If the number
14883         of dereferences is greater than zero, mark the pointer as
14884         dereferenced.  If there are fewer dereferences than uses of
14885         the pointer, the pointer's value escapes.
14886
14887 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
14888
14889         PR tree-optimization/19670
14890         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
14891         here...
14892         (verify_use): ... set it here, instead.
14893
14894 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
14895
14896         * doc/sourcebuild.texi (Test directives): Fix formatting.
14897
14898         * doc/sourcebuild.texi (Test directives): Describe selector
14899         expressions.
14900
14901 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
14902
14903         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
14904         specific 64-bit CPUs.
14905
14906 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
14907
14908         PR target/16201
14909         * arm.c (arm_eliminable_register): New function.
14910         (adjacent_mem_locations): Don't allow eliminable registers.  Use
14911         HOST_WIDE_INT for address offsets.
14912         * arm-protos.h (arm_eliminable_register): Add prototype.
14913
14914 2005-02-01  Steven Bosscher  <stevenb@suse.de>
14915
14916         PR optimization/15242
14917         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
14918         * basic-block.h (duplicate_computed_gotos): Add prototype.
14919         * bb-reorder.c (duplicate_computed_gotos): New function to
14920         duplicate sufficiently small blocks ending in a computed jump.
14921         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
14922         if not optimizing for size.
14923         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
14924         never do tail merging for blocks ending in a computed jump.
14925         * doc/invoke.texi: Document the max-goto-duplication-insns param.
14926
14927 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
14928
14929         Patch from Richard Sandiford <rsandifo@redhat.com>
14930         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
14931         from inheriting a subreg equivalence with a non-spill register.
14932
14933         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
14934
14935 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
14936
14937         * config/frv/frv.c (movcc_fp_destination_operand): New.
14938         (gpr_or_memory_operand): Fix typo in comment.
14939         (gpr_or_memory_operand_with_scratch): New.
14940         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
14941         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
14942         movcc_fp_destination_operand.
14943         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
14944         Legitimize memory addresses using a scratch register.
14945
14946 2005-01-31  Jeff Law  <law@redhat.com>
14947
14948         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
14949         bitmap a sparse bitmap instead of a simple bitmap.
14950         (mark_def_sites_initialize_block):  Corresponding changes.
14951         (ssa_mark_def_sites_initialize_block): Likewise.
14952         (ssa_mark_phi_uses): Likewise.
14953         (mark_def_site, ssa_mark_def_sites): Likewise.
14954         (mark_def_site_blocks): Likewise.
14955         (rewrite_ssa_into_ssa): Likewise.
14956
14957         * tree-ssa-dom.c (record_cond): Pass correct variable type
14958         for last argument to htab_find_slot_with_hash.
14959
14960         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
14961         effects when optimizing 0 % X.  Do not try to optimize X % 0.
14962
14963 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
14964
14965         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
14966         1_mmalua.
14967
14968 2005-02-01  Eric Christopher  <echristo@redhat.com>
14969
14970         * config/mips/mips.c (override_options): Warn if -mint64
14971         is used.
14972         * doc/invoke.texi (MIPS Options): Document that -mint64 is
14973         deprecated.
14974
14975 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
14976
14977         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
14978         timestamp.
14979         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
14980         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
14981         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
14982         (cached_regno): Initialize to INVALID_REGNUM.
14983         (cse_reg_info_table_size,
14984         cse_reg_info_table_first_uninitialized,
14985         cse_reg_info_timestamp): New.
14986         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
14987         get_cse_reg_info.
14988         (init_cse_reg_info, get_cse_reg_info_1): New.
14989         (get_cse_reg_info): Cache the last look-up.
14990         (new_basic_block): Update the code to clear mappings from
14991         registers to cse_reg_info entries.
14992         (cse_main): Call init_cse_reg_info.
14993
14994         * cse.c (get_cse_reg_info): Update a comment.
14995
14996 2005-01-31  Steven Bosscher  <stevenb@suse.de>
14997
14998         PR c/19333
14999         * c-decl.c (start_decl): Do not warn about arrays of elements with
15000         an incomplete type here.
15001         (grokdeclarator): Do it here by making a pedwarn an error.
15002         * c-typeck.c (push_init_level): If there were previous errors with
15003         the constructor type, do not warn about braces for initializers.
15004         (process_init_element): Likewise for excess initializer elements.
15005
15006 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
15007
15008         * cse.c (delete_trivially_dead_insn): Don't iterate.
15009
15010 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
15011
15012         * config/rs6000/rs6000.md (copysignsf3): New expand.
15013         (copysigndf3): Likewise.
15014
15015 2005-01-31  Steven Bosscher  <stevenb@suse.de>
15016
15017         * recog.c (constrain_operands): Only look for earlyclobber operand
15018         conflicts if an '&' constraint was seen.
15019
15020 2005-01-31  Marc Espie <espie@openbsd.org>
15021
15022         * config.gcc: Don't include embedded systems fragment, switches default
15023         debugging format to ELF.
15024         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
15025         longer pick it up there.
15026
15027 2005-01-31  Dale Johannesen  <dalej@apple.com>
15028
15029         * doc/extend.texi (nested functions): Fix linkage description.
15030         Clarify that static is not allowed.
15031
15032 2005-01-31  Dale Johannesen  <dalej@apple.com>
15033
15034         * config/rs6000/darwin.md (movsf_low_di):  Make work.
15035         (movdf_low_di):  Make work.
15036
15037 2005-01-31  Dale Johannesen  <dalej@apple.com>
15038
15039         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
15040         Make work for 64 bit.
15041
15042 2005-01-31  Roger Sayle  <roger@eyesopen.com>
15043             Dale Johannesen  <dalej@apple.com>
15044
15045         PR middle-end/19650
15046         * fold-const.c (fold_binary_op_with_conditional_arg):
15047         Make types match original operands, before STRIP_NOPS.
15048
15049 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
15050
15051         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
15052         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
15053         (struct gcc_sigcontext): Delete.  Merge contents to..
15054         (struct gcc_ucontext): ..here.
15055         (get_sigcontext): Delete.
15056         (get_regs): New function, like get_sigcontext but return regs ptr.
15057         64-bit version finds regs from r1 to support vdso.
15058         (ppc_linux_aux_vector): New function.
15059         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
15060         and vector regs.
15061
15062 2005-01-31  Ira Rosen  <irar@il.ibm.com>
15063
15064         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
15065         sizetype.
15066         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
15067         redundant fold. Fix misalignment for MINUS_EXPR.
15068         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
15069         (vect_analyze_pointer_ref_access): Likewise.
15070         (vect_get_memtag_and_dr): Likewise.
15071
15072 2005-01-31  Richard Henderson  <rth@redhat.com>
15073
15074         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
15075         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
15076         absnegdf2_i387, absnegxf2_i387): Likewise.
15077
15078 2005-01-31  Richard Henderson  <rth@redhat.com>
15079
15080         PR 19696
15081         * optabs.c (expand_copysign_absneg): New.
15082         (expand_copysign_bit): Split out from ...
15083         (expand_copysign): ... here.  Use expand_copysign_absneg.
15084
15085 2005-01-30  Roger Sayle  <roger@eyesopen.com>
15086
15087         PR middle-end/19697
15088         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
15089         constant as the second operand and a register as the third.
15090
15091 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
15092
15093         PR target/19704
15094         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
15095         that dllimport'd functions do not use all call-clobbered registers
15096         to pass parameters.
15097
15098 2005-01-30  Richard Henderson  <rth@redhat.com>
15099
15100         PR 19696
15101         * optabs.c (expand_absneg_bit): Split out from expand_unop and
15102         expand_abs_nojump and generalize.  Use operand_subword and
15103         emit_no_conflict_block.  Support large modes.
15104         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
15105         back to maximum.
15106         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
15107         negation to subtraction.
15108         (expand_copysign): Check that the format has signed zeros.
15109         Use operand_subword and emit_no_conflict_block.  Support large modes.
15110
15111 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
15112
15113         Fix PR tree-optimization/19624
15114
15115         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
15116         * tree-ssa-pre.c: Add cfgloop.h.
15117         Update comment.
15118         (pre_stats): New member, constified.
15119         (inserted_exprs): New static variable.
15120         (NECESSARY): New macro.
15121         (create_expression_by_pieces): Fold the expression, and
15122         mark it as defaulting to not necessary. Also put in
15123         inserted_exprs.
15124         (fully_constant_expression): New function.
15125         (insert_into_preds_of_block): Modify to not insert phis when we
15126         are playing with induction variables.
15127         Push phis onto the inserted_exprs vector, and mark them as not
15128         necessary by default.
15129         (insert_aux): Call fully_constant_expression on eprime.
15130         If all edges produce the same value, mark it constant.
15131         (mark_operand_necessary): New function.
15132         (remove_dead_inserted_code): New function.
15133         (init_pre): Init loop optimizer to get loop info.
15134         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
15135         (execute_pre): Commit edge inserts, then remove dead code.
15136
15137 2005-01-30  Richard Henderson  <rth@redhat.com>
15138
15139         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
15140         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
15141
15142 2005-01-30  Richard Henderson  <rth@redhat.com>
15143
15144         PR target/19700
15145         * config/i386/i386.c (ix86_expand_copysign): New.
15146         (ix86_split_copysign_const): New.
15147         (ix86_split_copysign_var): Rename from ix86_split_copysign,
15148         rearrange op1/nmask operands.
15149         * config/i386/i386-protos.h: Update.
15150         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
15151         (copysigndf3): Likewise.
15152         (copysignsf3_const, copysigndf3_const): New.
15153         (copysignsf3_var): Rename from copysignsf3, split out splitter
15154         and fix split predicate for X constraint.
15155         (copysigndf3_var): Similarly.
15156
15157 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
15158
15159         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
15160         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
15161         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
15162
15163 2005-01-29  Richard Henderson  <rth@redhat.com>
15164
15165         PR target/19690
15166         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
15167         of # and * in constraints.
15168
15169 2005-01-29  Richard Henderson  <rth@redhat.com>
15170
15171         PR middle-end/19689
15172         * expr.c (store_field): Don't strip sub-mode cast when the input
15173         data is even smaller.
15174
15175 2005-01-29  Richard Henderson  <rth@redhat.com>
15176
15177         PR middle-end/19687
15178         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
15179         union being empty.
15180
15181 2005-01-29  Richard Henderson  <rth@redhat.com>
15182
15183         * combine.c (make_field_assignment): Fix argument order
15184         to gen_int_mode.
15185
15186 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
15187
15188         PR tree-optimization/15791
15189         * fold-const.c (extract_array_ref): New function.
15190         (fold): Fold comparisons between &a[i] and &a[j] or
15191         semantically equivalent trees.
15192
15193 2005-01-29  Jeff Law  <law@redhat.com>
15194
15195         * gcse.c (insert_expr_in_table): Revamp handling of available
15196         and anticipatable occurrence lists to avoid unnecessary list
15197         walking.
15198         (insert_set_in_table): Similarly.
15199
15200 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
15201
15202         * c-common.c (fix_string_type): Just use c_build_qualified_type to
15203         build string type.
15204         (c_build_qualified_type): Build qualified array types with
15205         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
15206         * c-decl.c (c_make_fname_decl): Build unqualified array type
15207         before qualified type.
15208         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
15209         type is qualified, not just if type itself is.  Don't apply
15210         qualifiers to array type when declarator is processed.  Apply
15211         qualifiers to field type whether or not it is an array type.
15212         Don't handle array types specially for applying qualifiers to
15213         variables.
15214         * c-typeck.c (composite_type): Build unqualified element type and
15215         array type when forming composite of array types.
15216         (common_pointer_type, comptypes, comp_target_types,
15217         type_lists_compatible_p, build_indirect_ref, build_array_ref,
15218         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
15219         types.
15220         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
15221         (args2) in variables a1 and a2.
15222
15223 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
15224
15225         * cse.c (n_elements_made, max_elements_made): Remove.
15226         (insert): Don't touch n_elements_made.
15227         (cse_main): Don't touch n_elements_made or max_elements_made.
15228
15229 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
15230
15231         PR target/15384
15232         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
15233         configuration part of dp-bit.c to be lost.
15234
15235 2005-01-28  Roger Sayle  <roger@eyesopen.com>
15236
15237         * expmed.c (expand_mult_highpart_optab): When attempting to use
15238         a non-widening multiplication in a wider mode, the operands need
15239         to be converted (zero or sign extended) to that mode.
15240
15241 2005-01-28  Ian Lance Taylor  <ian@airs.com>
15242
15243         PR middle-end/16558
15244         PR middle-end/19583
15245         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
15246         through if both operands fall through.
15247
15248 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
15249
15250         * cse.c (fold_rtx) <PC>: Don't optimize.
15251
15252 2005-01-28  Jeff Law  <law@redhat.com>
15253
15254         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
15255         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
15256
15257 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
15258
15259         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
15260         cse_reg_info_used_list_end): Remove.
15261         (cse_reg_info_list, cse_reg_info_list_free): New.
15262         (get_cse_reg_info): When allocating an instance of
15263         cse_reg_info, add it to the beginning of the cse_reg_info_list
15264         list.  Remove code to maintain cse_reg_info_used_list.
15265         (new_basic_block): Reset the free list to the beginning of
15266         cse_reg_info_list.
15267
15268 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
15269
15270         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
15271         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
15272         (frv_expand_mdpackh_builtin): New function.
15273         (frv_expand_builtin): Use it to expand __MDPACKH.
15274         * doc/extend.texi (__MDPACKH): Update documentation.
15275
15276 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
15277
15278         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
15279         SSE_FLOAT_MODE_P for use_sse computation.
15280
15281 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
15282
15283         PR target/19663
15284         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
15285
15286 2005-01-27  Richard Henderson  <rth@redhat.com>
15287
15288         * builtins.c (expand_builtin_copysign): New.
15289         (expand_builtin): Call it.
15290         * genopinit.c (optabs): Add copysign_optab.
15291         * optabs.c (init_optabs): Initialize it.
15292         (expand_copysign): New.
15293         * optabs.h (OTI_copysign, copysign_optab): New.
15294         (expand_copysign): Declare.
15295
15296         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
15297         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
15298
15299         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
15300         (ix86_expand_fp_absneg_operator): ... here.
15301         (ix86_split_copysign): New.
15302         * config/i386/i386-protos.h: Update.
15303         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
15304         (copysignsf3, copysigndf3): New.
15305
15306         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
15307         (copysignsf3, ncopysignsf3): New.
15308         (copysigndf3, ncopysigndf3): New.
15309         (copysignxf3, ncopysignxf3): New.
15310         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
15311
15312 2005-01-27  Arend Bayer  <arend.bayer@web.de>
15313             Kazu Hirata  <kazu@cs.umass.edu>
15314
15315         * cse.c: (find_best_addr): Don't call copy_rtx before calling
15316         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
15317         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
15318         NULL_RTX.
15319
15320 2005-01-27  Jeff Law  <law@redhat.com>
15321
15322         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
15323         definitions of SSA_NAMEs which are not being rewritten.
15324         (rewrite_ssa_into_ssa): Only initialize the current definition
15325         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
15326         If checking is enabled, assert that SSA_NAME_AUX is clear for all
15327         SSA_NAMEs before returning.
15328
15329 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
15330
15331         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
15332         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
15333         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
15334         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
15335         config/mips/iris6.h, config/sh/sh.c: Update copyright.
15336
15337 2005-01-27  Steven Bosscher  <stevenb@suse.de>
15338
15339         PR middle-end/17278
15340         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
15341         higher to -O2 and higher.  Likewise for tree PRE.
15342         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
15343         and better.
15344
15345 2005-01-27  Ian Lance Taylor  <ian@airs.com>
15346
15347         PR middle-end/19583
15348         * gimple-low.c (try_catch_may_fallthru): New static function.
15349         (block_may_fallthru): Handle TRY_CATCH_EXPR.
15350         * tree-inline.c (expand_call_inline): Don't warn about reaching
15351         the end of a non-void function being inlined if the function uses
15352         a return slot.
15353
15354 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
15355
15356         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
15357
15358         PR c/18946
15359         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
15360         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
15361         (implicitly_declare): Handle error_mark_node.
15362
15363 2005-01-27  Richard Henderson  <rth@redhat.com>
15364
15365         PR tree-opt/14329
15366         * tree.h (struct tree_decl): Add debug_expr_is_from.
15367         (DECL_DEBUG_EXPR_IS_FROM): New.
15368         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
15369         * dwarf2out.c (dwarf2out_var_location): Update to match.
15370         * tree-outof-ssa.c (create_temp): Likewise.
15371         * var-tracking.c (track_expr_p): Likewise.
15372         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
15373         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
15374         * toplev.c (default_tree_printer): Likewise.
15375
15376 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
15377
15378         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
15379         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
15380
15381 2005-01-27  Steven Bosscher  <stevenb@suse.de>
15382
15383         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
15384         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
15385         ASM_CLOBBERS): Add tree checks.
15386
15387         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
15388         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
15389         * c-common.def (SWITCH_STMT): Update to match.
15390         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
15391         macros instead of SWITCH_EXPR ones.
15392         * c-dump.c (c_dump_tree): Likewise.
15393         * c-gimplify.c (gimplify_switch_stmt): Likewise.
15394         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
15395
15396         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
15397
15398 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
15399
15400         * unwind-dw2.c (execute_stack_op): Add missing cases for
15401         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
15402
15403 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
15404
15405         * config.gcc (Obsolete configurations): Remove 'dummy', add
15406         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
15407         sparc-*-openbsd*.
15408
15409 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
15410
15411         PR tree-optimization/19633
15412         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
15413         CALL_EXPRs.
15414         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
15415         are no call-clobbered variables.
15416         * tree-outof-ssa.c (check_replaceable): Return false for calls
15417         with side-effects.
15418
15419 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
15420
15421         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
15422         even for variables with NULL DECL_INITIAL.
15423
15424 2005-01-26  Stuart Hastings  <stuart@apple.com>
15425
15426         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
15427
15428 2005-01-26  Richard Henderson  <rth@redhat.com>
15429
15430         PR middle-end/18008
15431         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
15432         field's type.
15433         * expr.c (store_field): Strip conversions to odd-bit-sized types
15434         if the destination field width matches.
15435
15436 2005-01-26  Richard Henderson  <rth@redhat.com>
15437
15438         * c-decl.c, expmed.c, expr.c: Revert last change.
15439
15440 2005-01-26  Richard Henderson  <rth@redhat.com>
15441
15442         PR middle-end/18008
15443         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
15444         field's type.
15445         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
15446         if we don't need the bits above those present in the current mode.
15447         * expr.c (store_field): Strip conversions to odd-bit-sized types
15448         if the destination field width matches.
15449
15450 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
15451
15452         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
15453         either -ffast-math or -funsafe-math-optimizations is in use.
15454
15455 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
15456
15457         PR target/19293
15458         PR target/19329
15459         * config/avr/avr.c (notice_update_cc): Only set condition code for
15460         ashrqi3 if shift count > 0.
15461         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
15462         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
15463         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
15464         count <= 0 as a no-op, and shift count >= width by copying zero
15465         or sign bit to all bits of the result.
15466         * config/avr/avr.md (all shifts): Add alternatives for zero shift
15467         count, with attribute "length" set to 0 and "cc" set to "none".
15468
15469 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
15470
15471         * doc/invoke.texi: Document -mTLS.
15472
15473         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
15474         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
15475         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
15476         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
15477         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
15478         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
15479         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
15480         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
15481
15482         * configure.ac: Check for a TLS capable gas.
15483
15484         * configure: Regenerate.
15485
15486 2005-01-26  Richard Henderson  <rth@redhat.com>
15487
15488         PR middle-end/18008
15489         * combine.c (make_field_assignment): Simplify store to zero_extract
15490         from a source with an overlapping mask.
15491
15492 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
15493
15494         2004-11-11  Eric Christopher  <echristo@redhat.com>
15495
15496         * config/frv/frv.md: Add fr400_integer automaton. Don't
15497         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
15498         to TYPE_MACC.
15499
15500 2005-01-26  Steven Bosscher  <stevenb@suse.de>
15501
15502         PR middle-end/16585
15503         * cfgbuild.c (make_edges): Do not clear or set
15504         current_function_has_computed_jump.
15505         * function.h (struct function): Remove the has_computed_jump field.
15506         (current_function_has_computed_jump): Do not define.
15507         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
15508         in a computed jump.  Ignore current_function_has_computed_jump.
15509
15510 2005-01-26  Richard Henderson  <rth@redhat.com>
15511
15512         PR middle-end/19515
15513         * expr.c (categorize_ctor_elements): New argument p_must_clear.
15514         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
15515         fully initialized.
15516         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
15517         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
15518         objects into static storage if they have more than one non-zero value.
15519         * tree.h (categorize_ctor_elements): Update decl.
15520
15521 2005-01-26  Steven Bosscher  <stevenb@suse.de>
15522
15523         PR middle-end/19616
15524         * tree.h (CALL_EXPR_TAILCALL): Add comment.
15525         * calls.c (check_sibcall_argument_overlap_1): Revert the change
15526         to this function from 2004-07-10.
15527         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
15528         the current function for tail call optimizations if the address
15529         of one of it its arguments is taken.
15530
15531 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
15532
15533         * cse.c (fold_rtx): Call equiv_constant only when necessary.
15534
15535 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
15536
15537         * function.c (expand_function_end): If current_function_calls_alloca,
15538         emit stack restore in a place that is reached when the function falls
15539         through at the end.
15540
15541 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
15542
15543         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
15544         rule to avoid matching inappropriate suffix rule.
15545
15546 2005-01-26  Jan Hubicka  <jh@suse.cz>
15547
15548         PR tree-optimization/19241
15549         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
15550
15551 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
15552
15553         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
15554         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
15555         of doubling.
15556         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
15557         <sim*>: Always use crt1.o, regardless of N in simN.
15558         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
15559         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
15560         (CRT_CALL_STATIC_FUNCTION): Remove.
15561         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
15562         use crt1.o, regardless of N in simN.
15563         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
15564         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
15565         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
15566         case isystem setting.
15567         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
15568
15569 2005-01-25  Ian Lance Taylor  <ian@airs.com>
15570
15571         * gimple-low.c (block_may_fallthru): Correct handling of
15572         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
15573
15574 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
15575
15576         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
15577         handlers to match indentation; nested under the mtune=* handler.
15578         Similar for mcpu= and march=.
15579
15580 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
15581
15582         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
15583         * config/mips/linux64.h (LIB_SPEC): Likewise.
15584         * config/mn10300/linux.h (LIB_SPEC): Likewise.
15585         * config/sh/linux.h (LIB_SPEC): Likewise.
15586
15587 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
15588
15589         * config/frv/frv.c (frv_legitimize_tls_address): New.
15590         (TARGET_HAVE_TLS): Define.
15591         (FRV_SYMBOL_REF_TLS_P): Define.
15592         (frv_override_options): Handle new register classes.
15593         (frv_legitimate_address_p): Reject tls addresses.
15594         (frv_legitimize_address): Handle TLS addresses.
15595         (gen_inlined_tls_plt): New.
15596         (gen_tlsmoff): New.
15597         (frv_legitimize_tls_address): New.
15598         (unspec_got_name): Add TLS entries.
15599         (got12_operand): Add R_FRV_TLSMOFF12 case.
15600         (frv_emit_move): Fixup TLS addresses.
15601         (frv_emit_movsi): Legitimize TLS addresses.
15602
15603         * config/frv/frv.h (MASK_BIG_TLS): New.
15604         (TARGET_BIG_TLS): New.
15605         (HAVE_AS_TLS): Define.
15606         (TARGET_SWITCHES): Add -mTLS and -mtls options.
15607         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
15608         (REG_CLASS_NAMES): Same.
15609         (REG_CLASS_CONTENTS): Same.
15610         (CONSTRAINT_LEN): New.
15611         (REG_CLASS_FROM_CONSTRAINT): New.
15612         (PREDICATE_CODES): Add symbolic_operand.
15613
15614         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
15615         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
15616         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
15617         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
15618         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
15619         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
15620         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
15621         GR9_REG, GR14_REG, LRREG.
15622         (type): Add load_or_call attribute.
15623         ("load_or_call"): New reservation.
15624         ("call_gettlsoff"): New.
15625         ("tls_indirect_call"): New.
15626         ("tls_load_gottlsoff12"): New.
15627         ("tlsoff_hilo"): New.
15628         ("tls_tlsdesc_ldd"): New.
15629         ("tls_tlsoff_ld"): New.
15630         ("tls_lddi"): New.
15631
15632         * config/frv/frv-protos.h (symbolic_operand): Protoize.
15633
15634         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
15635
15636         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
15637         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
15638         * config/frv/frv.c (TLS_BIAS): Define.
15639         (frv_output_dwarf_dtprel): New.
15640
15641 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
15642
15643         PR rtl-optimization/19579
15644         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
15645         both A and B, see if they don't clobber registers the other expr uses.
15646
15647 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
15648
15649         * real.c (do_add): Initialize signalling and canonical members.
15650
15651         * real.c (real_from_integer): Zero out destination.
15652
15653 2005-01-18  Jan Hubicka  <jh@suse.cz>
15654
15655         PR tree-optimize/19337
15656         * tree-inline.c (initialize_inlined_parameters): Copy
15657         saved_static_chain_decl only.
15658
15659 2005-01-25  Richard Henderson  <rth@redhat.com>
15660
15661         PR target/19556
15662         PR target/19584
15663         * config/i386/i386.c (x86_inter_unit_moves): Zero.
15664         (ix86_preferred_reload_class): Rewrite fp-constant section, with
15665         80387 enabled, to return a proper subclass.  Return the subset that
15666         overlaps with GENERAL_REGS for PLUS.
15667         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
15668
15669 2005-01-25  Richard Henderson  <rth@redhat.com>
15670
15671         PR middle-end/19609
15672         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
15673
15674 2005-01-25  Roger Sayle  <roger@eyesopen.com>
15675
15676         * expmed.c (choose_multiplier): Change interface to return the
15677         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
15678         (expand_divmod): Update calls to choose_multiplier.
15679
15680 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15681
15682         PR middle-end/19330
15683         * expmed.c (extract_bit_field): Use adjust_address instead of
15684         gen_lowpart when op0 is a MEM.
15685
15686 2005-01-24  Steven Bosscher  <stevenb@suse.de>
15687
15688         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
15689
15690 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
15691
15692         * config/mips/irix-csr.c: New file.
15693         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
15694         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
15695         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
15696         executables.
15697
15698 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
15699
15700         PR bootstrap/19364
15701         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
15702         sparc/elf.h, add sparc/sp-elf.h.
15703         (sparc-*-rtems*): Likewise.
15704         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
15705         tm-dwarf2.h, add sparc/sp-elf.h.
15706         (sparc86x-*-elf): Likewise.
15707         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
15708         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
15709         TARGET_OS_CPP_BUILTINS.
15710         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
15711         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
15712         Undefine it.
15713         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
15714         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
15715         (SWITCH_TAKES_ARG): Likewise.
15716         (LOCAL_LABEL_PREFIX): Likewise.
15717         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
15718         (TARGET_N_FORMAT_TYPES): Delete.
15719         (TARGET_FORMAT_TYPES): Likewise.
15720         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
15721         * config/sparc/elf.h: Delete.
15722         * config/sparc/sp-elf.h: New file.
15723
15724 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
15725
15726         * tree-flow-inline.h (phi_arg_from_edge): Remove.
15727         * tree-flow.h: Remove the corresponding prototype.
15728         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
15729         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
15730
15731 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
15732
15733         PR target/17751
15734         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
15735         for AIX ABI or ELF -fPIC.
15736         (rs6000_emit_load_toc_table): Don't create toc_section here.
15737         (rs6000_xcoff_file_start): Nor here.
15738
15739 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
15740
15741         * sh.c (ra.h): Don't #include.
15742         (hard_regs_intersect_p): New function, resurrected from ra.c.
15743
15744         * sh.c: Fix 1996 Copyright.
15745
15746 2005-01-24  Richard Henderson  <rth@redhat.com>
15747             Aldy Hernandez  <aldyh@redhat.com>
15748
15749         * regrename.c (note_sets): Handle subregs.
15750
15751 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
15752
15753         PR bootstrap/18058
15754         * genconditions.c (write_header, write_conditions): Elide file if
15755         not GCC >= 3.0.1.
15756
15757 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
15758
15759         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
15760         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
15761         Update copyright.
15762
15763 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
15764
15765         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
15766         expand_builtin_printf, expand_builtin_fprintf,
15767         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
15768         checking against POINTER_TYPE.
15769         (validate_arglist): Handle POINTER_TYPE code by checking
15770         POINTER_TYPE_P.
15771
15772 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
15773
15774         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
15775         init_rtlanal): New.
15776         (for_each_rtx): Call for_each_rtx_1.
15777         * rtl.h (init_rtlanal): Declare.
15778         * toplev.c (backend_init): Call init_rtlanal.
15779
15780 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
15781
15782         * flow.c (propagate_one_insn): Formatting.
15783
15784         PR middle-end/19551
15785         * flow.c (libcall_dead_p): Be more conservative if unsure.
15786         If there are any instructions between insn and call, see if they are
15787         all dead before saying the libcall is dead.
15788
15789 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
15790
15791         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
15792         operand constraint for operand 0.
15793
15794 2005-01-23  Richard Henderson  <rth@redhat.com>
15795
15796         PR 19486
15797         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
15798         edges leading to join block.
15799
15800 2005-01-23  Roger Sayle  <roger@eyesopen.com>
15801
15802         * expmed.c (expand_mult_highpart): Make static.  Change type of
15803         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
15804         (expand_divmod): Updates calls to expand_mult_highpart by using
15805         gen_int_mode to pass a CONST_INT rtx.
15806         * rtl.h (expand_mult_highpart): Remove prototype.
15807
15808 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
15809
15810         * flow.c (regset_bytes, regset_size): Remove.
15811
15812         * cfganal.c: Fix a reference to Harvey's paper.
15813
15814 2005-01-23  Steven Bosscher  <stevenb@suse.de>
15815
15816         PR rtl-optimization/19464
15817         * tree-optimize.c (init_tree_optimization_passes): Add one more
15818         copyrename pass just before out-of-ssa.
15819
15820 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
15821
15822         PR bootstrap/18058
15823         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
15824         * ggc-none.c (ggc_free): Define.
15825
15826 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
15827
15828         * cse.c (max_reg, max_insn_uid): Remove.
15829         (cse_main): Don't access max_reg or max_insn_uid.
15830
15831         * c-common.c (explicit_flag_signed_bitfields,
15832         lang_statement_code_p, lang_expand_function_end): Remove.
15833         * c-common.h: Remove the corresponding declarations.
15834         * c-opts.c (c_common_handle_option): Remove all write access
15835         to explicit_flag_signed_bitfields.
15836
15837         * cgraph.c (cgraph_varpool_n_nodes): Remove.
15838         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
15839         * cgraph.h: Remove the corresponding declaration.
15840
15841         * gcse.c (null_pointer_info): Remove.
15842
15843 2005-01-23  Roger Sayle  <roger@eyesopen.com>
15844             Eric Botcazou  <ebotcazou@libertysurf.fr>
15845
15846         * combine.c (simplify_logical): Only simplify logical expressions
15847         of the form ior(and(x,y),z) by the inverse distributive law if the
15848         result is cheaper than the original.
15849
15850 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
15851
15852         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
15853         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
15854         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
15855         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
15856         config/freebsd-spec.h, config/arm/arm.h,
15857         config/h8300/h8300.md, config/i386/i386.md,
15858         config/i386/predicates.md, config/i386/sse.md,
15859         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
15860         config/vax/vax.md: Fix comment typos.  Follow spelling
15861         conventions.
15862
15863 2005-01-23  Steven Bosscher  <stevenb@suse.de>
15864
15865         * gengtype.c (walk_type): Produce `not equal to' compares for loop
15866         tests, instead of `less than'.
15867
15868 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
15869
15870         * function.c (assign_parm_setup_block): When creating a new stack slot
15871         for a parameter, get its alignment from the parameter's DECL_ALIGN
15872         rather than the type's TYPE_ALIGN.  Make sure that the parameter
15873         is at least word aligned.
15874
15875 2005-01-22  Roger Sayle  <roger@eyesopen.com>
15876
15877         PR middle-end/19378
15878         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
15879
15880 2005-01-22  Richard Henderson  <rth@redhat.com>
15881
15882         PR target/19506
15883         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
15884         in both compare operands.
15885         (movdfcc_1_sse_max): Likewise.
15886         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
15887         (movdfcc_1_sse): Likewise.
15888         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
15889         scratch register as needed.
15890
15891 2005-01-22  Richard Henderson  <rth@redhat.com>
15892
15893         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
15894
15895         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
15896
15897 2005-01-22  Richard Henderson  <rth@redhat.com>
15898
15899         * genopinit.c (optabs): Use smin/smax for floating point too.
15900         * doc/md.texi: Update to match.  Clarify that floating point
15901         results are undefined for +0/-0 and NaN.
15902         * doc/rtl.texi: Likewise.
15903         * rtl.def (SMIN, SMAX): Likewise
15904         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
15905
15906         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
15907         leading 's' to the name.
15908         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
15909         smaxxf3, sminxf3): Likewise.
15910         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
15911         Likewise.
15912
15913 2005-01-22  Paul Brook  <paul@codesourcery.com>
15914
15915         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
15916
15917 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
15918
15919         * config/s390/s390.c (struct processor_costs): New fields
15920         dlgr, dlr, dr, dsgfr, dsgr.
15921         (z900_cost, z990_cost): Values for new fields.
15922         (s390_rtx_costs): New cases MEM und COMPARE in switch
15923         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
15924         DIV, MOD, UDIV, UMOD.
15925
15926 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
15927
15928         * config/s390/s390.md ("doloop_si64"): Reload input value directly
15929         into the register being decremented.
15930         ("doloop_si31", "doloop_di"): Likewise.
15931         ("*doloop_si_long"): Adapt pattern.
15932
15933 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
15934
15935         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
15936         access registers.
15937         (CLASS_MAX_NREGS): Likewise.
15938
15939 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
15940
15941         * doc/tree-ssa.texi (Statement Operands): Add example for new
15942         must-def macro. Note deprecation of old operands interface.
15943
15944 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
15945
15946         PR tree-optimization/19484
15947         * tree-cfg.c (remove_fallthru_edge): New function.
15948         (cleanup_control_flow): Remove fallthru edges from calls that are
15949         now known not to return.
15950
15951 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
15952
15953         Fix PR tree-optimization/19038
15954         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
15955         copies with loop variant ones.
15956
15957 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
15958
15959         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
15960         config/alpha/alpha-protos.h, config/alpha/alpha.h,
15961         config/alpha/alpha.md, config/alpha/predicates.md,
15962         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
15963         config/sparc/sol2.h: Update copyright.
15964
15965         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
15966         first label to see if it is a nonlocal label.
15967
15968 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
15969             Andrew Pinski  <pinskia@physics.uc.edu>
15970
15971         PR target/19491
15972         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
15973         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
15974
15975 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
15976
15977         * config/rs6000/rtems.h: Update copyright.
15978
15979 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
15980
15981         PR target/19548
15982         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
15983         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
15984         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
15985
15986 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
15987
15988         PR c/18809
15989         * c-typeck.c (convert_arguments): Check for error_mark_node.
15990
15991 2005-01-21  Ian Lance Taylor  <ian@airs.com>
15992
15993         PR tree-optimization/13000
15994         * tree-inline.c: Include "tree-flow.h".
15995         (expand_call_inline): If warn_return_type, warn if non-void inline
15996         function falls through.
15997         * tree-cfg.c (execute_warn_function_return): Don't warn about
15998         control reaching end if TREE_NO_WARNING is set.  Set
15999         TREE_NO_WARNING.
16000         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
16001         has been lowered.
16002         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
16003         branch if we don't need one.
16004         * c-typeck.c: Include "tree-flow.h"
16005         (c_finish_bc_stmt): Don't add a goto if the current statement
16006         list doesn't fall through to the current point.
16007
16008 2005-01-21  Roger Sayle  <roger@eyesopen.com>
16009
16010         PR rtl-optimization/576
16011         * real.c (real_arithmetic): Change return type from void to bool
16012         to return an indication that the result may be inexact.
16013         * real.h (real_arithmeric): Update prototype.
16014         * fold-const.c (const_binop):  Don't constant fold floating
16015         point expressions when the user specifies -frounding-math and
16016         the result may depend upon the run-time rounding mode.
16017         (fold_convert_const_real_from_real): Clean-up.
16018         (fold_initializer): Ignore flag_rounding_math for initializers.
16019         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
16020         constant fold FP operations with flag_rounding_math if the
16021         result may depend upon the run-time rounding mode.
16022
16023 2005-01-21  Tom Tromey  <tromey@redhat.com>
16024
16025         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
16026
16027 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
16028
16029         * tree-cfg.c: Fix comment typos.
16030
16031 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
16032
16033         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
16034         around the call to rest_of_handle_branch_target_load_optimize.
16035
16036 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
16037
16038         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
16039         (sparc64-*-openbsd*): Likewise.
16040         (sparclite-*-elf*): Include tm-dwarf2.h.
16041         (sparc86x-*-elf*): Likewise.
16042         (sparc64-*-elf*): Likewise.
16043         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
16044         (DBX_DEBUGGING_INFO): Likewise.
16045         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
16046         (PREFERRED_DEBUGGING_TYPE): Likewise.
16047         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
16048         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
16049         (PREFERRED_DEBUGGING_TYPE): Likewise.
16050         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
16051         (PREFERRED_DEBUGGING_TYPE): Likewise.
16052         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
16053
16054 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
16055
16056         PR target/18701
16057         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
16058
16059 2005-01-20  Paul Brook  <paul@codesourcery.com>
16060
16061         * doc/rtl.texi: Document value extension requirements for CONST_INT.
16062
16063 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
16064
16065         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
16066         label is first in a sequence of labels.
16067
16068         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
16069
16070 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
16071             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
16072
16073         * doc/sourcebuild.texi (Test Directives): New.
16074
16075 2005-01-20  Roger Sayle  <roger@eyesopen.com>
16076
16077         * real.c (real_floor): Don't leave the result uninitialized when
16078         mode is VOIDMode, but return the unrounded intermediate value.
16079         (real_ceil): Likewise.
16080
16081 2005-01-20  Paul Brook  <paul@codesourcery.com>
16082
16083         * config/arm/arm.md (insv): Use gen_int_mode.
16084
16085 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
16086
16087         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
16088         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
16089         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
16090         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
16091         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
16092
16093 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
16094
16095         Fix PR debug/19124
16096         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
16097         fbreg, so we have to assume we can't.
16098         (loc_descriptor_from_tree_1): Ditto.
16099         (containing_function_has_frame_base): New function.
16100         (add_location_or_const_value_attribute): Use it.
16101         Also try to generate a frame_base from a single element location
16102         list.
16103
16104 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
16105
16106         PR tree-optimization/15349
16107         * timevar.def (TV_TREE_MERGE_PHI): New.
16108         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
16109         PHI_WANTED.
16110         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
16111         calls to tree_forwarder_block_p.
16112         (remove_forwarder_block_with_phi, merge_phi_nodes,
16113         gate_merge_phi, pass_merge_phi): New.
16114         * tree-optimize.c (init_tree_optimization_passes): Add
16115         pass_merge_phi.
16116         * tree-pass.h: Add an extern for pass_merge_phi;
16117
16118 2005-01-20  Richard Henderson  <rth@redhat.com>
16119
16120         PR target/19418
16121         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
16122         (_mm_castps_pd, _mm_castps_si128): New.
16123         (_mm_castsi128_ps, _mm_castsi128_pd): New.
16124
16125 2005-01-20  Richard Henderson  <rth@redhat.com>
16126
16127         PR target/19530
16128         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
16129         __builtin_ia32_vec_init_v2si.
16130         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
16131         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
16132         (ix86_init_mmx_sse_builtins): Create it.
16133         (ix86_expand_builtin): Expand it.
16134         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
16135         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
16136         (vec_extractv2si_0, vec_extractv2si_1): New.
16137
16138 2005-01-20  Richard Henderson  <rth@redhat.com>
16139
16140         PR target/16533
16141         * config/i386/i386.c (ix86_expand_push): New.
16142         * config/i386/mmx.md (push<MMXMODE>1): New.
16143         * config/i386/sse.md (push<SSEMODE>1): New.
16144         * config/i386/i386-protos.h: Update.
16145
16146 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
16147
16148         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
16149         copyright.
16150
16151 2005-01-20  Richard Henderson  <rth@redhat.com>
16152
16153         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
16154         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
16155
16156 2005-01-19  Richard Henderson  <rth@redhat.com>
16157
16158         PR target/19350
16159         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
16160         to V4SFmode in SSE1 fallback load path.
16161
16162 2005-01-19  Richard Henderson  <rth@redhat.com>
16163
16164         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
16165         in QImode expansion to ix86_expand_vector_set.
16166         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
16167
16168 2005-01-19  Richard Henderson  <rth@redhat.com>
16169
16170         PR target/19511
16171         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
16172         subclass of the input class.
16173         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
16174         Always true for cross-SSE1 classes.  Rationalize conditionals.
16175         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
16176         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
16177         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
16178         (movdi_2): Add MMX/SSE zeros.
16179         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
16180         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
16181         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
16182         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
16183         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
16184         (zero_extendsidi2_rex64_1): Remove.
16185         (MOV0 peephole): Check GENERAL_REG_P.
16186
16187 2005-01-19  Richard Henderson  <rth@redhat.com>
16188
16189         PR target/19427
16190         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
16191         shufps elements.
16192         (ix86_expand_vector_extract): Likewise.
16193
16194 2005-01-19  Richard Henderson  <rth@redhat.com>
16195
16196         PR middle-end/19304
16197         * expr.c (emit_move_change_mode): New argument force; use
16198         simplify_gen_subreg if true.
16199         (emit_move_via_alt_mode): Merge into ...
16200         (emit_move_via_integer): ... here.
16201         (emit_move_ccmode): Use emit_move_change_mode directly.
16202
16203 2005-01-19  Richard Henderson  <rth@redhat.com>
16204
16205         PR target/19518
16206         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
16207         (alpha_preferred_reload_class): Handle CONST_VECTOR.
16208         (alpha_emit_set_const_1): Add no_output parameter; don't emit
16209         rtl if true.
16210         (alpha_emit_set_const): Likewise.  Make static.
16211         (alpha_emit_set_long_const): Make static.
16212         (alpha_extract_integer): Split out from alpha_expand_mov.
16213         (alpha_split_const_mov): Likewise.
16214         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
16215         (alpha_legitimate_constant_p): New.
16216         * config/alpha/alpha-protos.h: Update.
16217         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
16218         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
16219         * config/alpha/alpha.md (movsi): Add n alternative.
16220         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
16221         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
16222         (splitters for all of the above): Use alpha_split_const_mov.
16223         * config/alpha/predicates.md (non_add_const_operand): New.
16224         (non_zero_const_operand): New.
16225         (input_operand): Use alpha_legitimate_constant_p after reload.
16226
16227 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
16228
16229         PR tree-optimization/19038
16230         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
16231         (add_candidate): Add ivs with increment in latch only if
16232         allow_ip_end_pos_p is true.
16233         (determine_iv_cost): Use empty_block_p.
16234
16235 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
16236
16237         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
16238         (compute_dominance_frontiers): Ditto.
16239
16240 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
16241
16242         PR target/19529
16243         * config/sh/t-rtems: New.
16244         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
16245
16246 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
16247
16248         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
16249         the offset of the selected field.
16250
16251 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
16252
16253         * tree-cfg.c (remove_forwarder_block): Fix the check to
16254         prevent a nonlocal label from appearing in the middle of a
16255         basic block.
16256
16257 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
16258
16259         PR rtl-optimization/19462
16260         * reorg.c (find_end_label): Create return insn only if
16261         current_function_epilogue_delay_list is empty.
16262
16263 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
16264
16265         * doc/passes.texi: Remove paragraph mentioning new-ra.
16266
16267 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
16268
16269         PR rtl-optimization/15139
16270         * combine.c: Include params.h.
16271         (count_rtxs): New function.
16272         (record_value_for_reg): If replace_rtx would replace at least
16273         2 occurrences of REG in VALUE and TEM is really large, replace REG with
16274         (clobber (const_int 0)) instead of TEM.
16275         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
16276         * params.h (MAX_LAST_VALUE_RTL): New.
16277         * Makefile.in (combine.o): Depend on $(PARAMS_H).
16278         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
16279
16280         PR c/17297
16281         * c-typeck.c (digest_init): Only call build_vector if all constructor
16282         elements are *_CST nodes.
16283         * gimplify.c (gimplify_init_constructor): Likewise.
16284
16285         PR middle-end/19164
16286         * c-typeck.c (digest_init): Only call build_vector if inside_init
16287         is a CONSTRUCTOR.
16288
16289 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
16290
16291         * toplev.c (init_asm_output): Remove dead #ifdef.
16292
16293 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
16294
16295         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
16296
16297 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
16298
16299         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
16300         accessing DECL_FUNCTION_CODE.
16301         * dojump.c (do_jump): Likewise.
16302         * gimplify.c (gimplify_call_expr): Likewise.
16303         * predict.c (expr_expected_value): Likewise.
16304         (strip_builtin_expect): Likewise.
16305         * tree-inline.c (estimate_num_insns_1): Likewise.
16306         * tree-ssa-loop-im.c (stmt_cost): Likewise
16307         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
16308         (tree_expr_nonnegative_p): Likewise.
16309
16310 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
16311
16312         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
16313         variant of the load_pcrel_sym pattern.
16314         * config/sparc/sparc.md (P macro): Move to the top.
16315         (load_pcrel_sym): Macroize using P.
16316         (save_register_window): Likewise.
16317
16318 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
16319
16320         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
16321         ("sordered"): Same.
16322
16323 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
16324
16325         PR C/19472
16326         * c-typeck.c (build_asm_expr): Strip nops off
16327         input memory operands.
16328
16329 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
16330
16331         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
16332         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
16333         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
16334         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
16335
16336 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
16337
16338         PR target/19379
16339         * config/i386/i386.c (override_options): If the 80387 is disabled,
16340         then do not return FP values using FP registers.
16341
16342 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
16343
16344         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
16345         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
16346         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
16347         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
16348         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
16349         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
16350         output.h, postreload-gcse.c, postreload.c, recog.c,
16351         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
16352         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
16353         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
16354         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
16355         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
16356         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
16357         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
16358         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
16359
16360         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
16361         config/alpha/alpha.c, config/arm/vfp.md,
16362         config/i386/emmintrin.h, config/i386/i386-modes.def,
16363         config/i386/i386-protos.h, config/i386/i386.h,
16364         config/i386/pmmintrin.h, config/i386/ppro.md,
16365         config/i386/predicates.md, config/i386/xmmintrin.h,
16366         config/i860/i860.c, config/ia64/ia64-modes.def,
16367         config/ia64/ia64-protos.h, config/ia64/ia64.h,
16368         config/ia64/ia64.md, config/ia64/itanium1.md,
16369         config/ia64/itanium2.md, config/ia64/predicates.md,
16370         config/iq2000/iq2000.h, config/mips/linux64.h,
16371         config/rs6000/aix41.h, config/rs6000/aix43.h,
16372         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
16373         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
16374         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
16375         config/sparc/linux64.h, config/sparc/litecoff.h,
16376         config/sparc/sp64-elf.h, config/sparc/sparc.c,
16377         config/sparc/sparc.h, config/sparc/sparc.md,
16378         config/sparc/sysv4-only.h: Update copyright.
16379
16380 2005-01-18  Richard Henderson  <rth@redhat.com>
16381
16382         PR target/19496
16383         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
16384
16385 2005-01-18  Marc Espie  <espie@openbsd.org>
16386         * config/i386/openbsdelf.h: Typo.
16387
16388 2005-01-18  Richard Henderson  <rth@redhat.com>
16389
16390         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
16391         special case for sse.
16392         * config/i386/predicates.md (sse_comparison_operator): Likewise.
16393
16394 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
16395
16396         * tree-inline.c (estimate_num_insns_1): Added cases for
16397         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
16398
16399 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
16400
16401         PR rtl-optimization/19296
16402         * combine.c (simplify_comparison): Rewrite the condition under
16403         which a non-paradoxical SUBREG of a PLUS can be lifted when
16404         compared against a constant.
16405
16406 2005-01-18  Andi Kleen <ak@muc.de>
16407
16408         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
16409         * c.opt (-Wpointer-sign): Add.
16410         * doc/invoke.texi: (-Wpointer-sign): Add.
16411
16412 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
16413
16414         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
16415         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
16416         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
16417         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
16418         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
16419         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
16420         for TARGET_MIX_SSE_I387.
16421         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
16422         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
16423         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
16424         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
16425         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
16426         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
16427         TARGET_MIX_SSE_I387.
16428         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
16429         from expander.
16430
16431 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
16432
16433         PR target/19424
16434         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
16435         Add movaps alternative for xmm reg->reg move.
16436
16437 2005-01-17  Jeff Law  <law@redhat.com>
16438
16439         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
16440         at the end of the main DOM loop rather than just before DOM exits.
16441
16442 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
16443
16444         PR tree-optimization/19121
16445         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
16446         adding aliases to a name tag, also add them to the pointer's
16447         type tag.
16448         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
16449         sensitive alias info at all.  Only check that the two pointers
16450         have compatible pointed-to sets.
16451         * tree-ssa.c (verify_name_tags): Verify that the alias set of
16452         a pointer's type tag is a superset of the alias set of the
16453         pointer's name tag.
16454
16455 2005-01-17  James E Wilson  <wilson@specifixinc.com>
16456
16457         PR target/19357
16458         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
16459         comment to document why.
16460
16461 2005-01-17  Richard Henderson  <rth@redhat.com>
16462
16463         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
16464         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
16465         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
16466         sse2_vmsminv2df3_finite): New.
16467         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
16468         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
16469         Force op1 into register.
16470
16471 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
16472
16473         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
16474         bubblestrap from always rebuilding build directory.
16475
16476 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
16477
16478         * config/s390/s390.md ("*clc"): Remove incorrect '='.
16479         ("*cmpmem_short"): Likewise.
16480
16481 2005-01-17  Steven Bosscher  <stevenb@suse.de>
16482
16483         * basic-block.h: Document BB_* flags.
16484         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
16485         use an sbitmap instead.
16486         * sched-rgn.c (compute_trg_info): Likewise.
16487
16488 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
16489
16490         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
16491         redundant target_cpu_default and extra_parts lines.  Use the default
16492         "from-abi" ISA.
16493         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
16494         (SUBTARGET_EXTRA_SPECS): Delete.
16495         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
16496         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
16497         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
16498         and "n32" for -mabi=n32.
16499
16500 2005-01-17  Ian Lance Taylor  <ian@airs.com>
16501
16502         PR c/5675
16503         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
16504         fold constant variables into initial values.
16505
16506 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
16507
16508         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
16509
16510         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
16511         through the statements backward.
16512
16513 2005-01-17  Ian Lance Taylor  <ian@airs.com>
16514
16515         PR middle-end/13127:
16516         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
16517         a variable set to the return value of the inlined function.
16518
16519 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
16520
16521         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
16522         when modes are tieable.
16523
16524 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
16525
16526         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
16527         of pthread_create to find out if threads are enabled.
16528         * gthr-posix95.h (__gthread_active_p): Likewise.
16529
16530 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
16531
16532         * common.opt (-fnew-ra): Remove.
16533         * ra*.*: Remove.
16534         * toplev.h (flag_new_regalloc): Remove.
16535         * Makefile.in (ra*.*): Don't mention.
16536         * passes.c (rest_of_handle_new_regalloc): Remove.
16537         (rest_of_handle_combine, rest_of_compilation): Always consider
16538         flag_new_regalloc as false.
16539         * doc/invoke.texi: Don't document -fnew-ra.
16540
16541 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
16542
16543         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
16544         last parameter to reg_scan.
16545         * loop.c (loop_optimize): Likewise.
16546         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
16547         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
16548         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
16549         rest_of_handle_gcse, rest_of_handle_loop_optimize,
16550         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
16551         * regclass.c (reg_scan): Likewise, for the declaration.
16552         * rtl.h (reg_scan): Likewise, for the prototype.
16553
16554 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
16555
16556         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
16557         mark_dfs_back_edges.
16558
16559 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
16560
16561         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
16562         (compute_avail): Uses don't go in tmp_gen.
16563
16564 2005-01-16  Steven Bosscher  <stevenb@suse.de>
16565
16566         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
16567         loop to look for a free slot in a page entry.
16568
16569 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16570
16571         PR target/16304
16572         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
16573         * toplev.c (compile_file): Call process_pending_assemble_output_defs
16574         just before targetm.asm_out.file_end.
16575         * tree.h (process_pending_assemble_output_defs): Declare.
16576         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
16577         New functions.
16578         (assemble_alias): Defer generation of assembly code for defines when
16579         TARGET_DEFERRED_OUTPUT_DEFS is true.
16580         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
16581         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
16582         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
16583
16584 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16585
16586         PR target/19336
16587         * pa.c (pa_scalar_mode_supported_p): New function.
16588         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
16589         * pa.h (MIN_UNITS_PER_WORD): Add comment.
16590
16591         * pa-protos.h (prefetch_operand): Delete.
16592         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
16593         * pa.c (prefetch_operand): Delete.
16594         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
16595         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
16596         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
16597         and prefetch_nocc_operand.
16598         * pa.md (prefetch): Rework to avoid reload problems handling short
16599         displacements when a cache control completer needs to be provided.
16600         (prefetch_32, prefetch_64): Delete.
16601         (prefetch_cc, prefetch_nocc): New patterns.
16602
16603 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
16604
16605         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
16606
16607 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16608
16609         PR ada/19388
16610         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
16611         exceeds maximum alignment for global common data.
16612         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
16613         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
16614
16615 2004-01-15  Roger Sayle  <roger@eyesopen.com>
16616
16617         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
16618
16619 2004-01-15  Roger Sayle  <roger@eyesopen.com>
16620
16621         * harg-reg-set.h (reg_class_names): Prototype global array.
16622         * regclass.c (reg_class_names): Declare here and initialize to
16623         REG_CLASS_NAMES.
16624         (dump_regclass): Remove local declaration of reg_class_names.
16625         (regclass): Likewise.
16626         * cfg.c (dump_flow_info): Likewise.
16627         * ra-debug.c (reg_class_names): Likewise.
16628         * regrename.c (reg_class_names): Likewise.
16629         * reload.c (reg_class_names): Likewise.
16630         * reload1.c (spill_failure): Likewise.
16631         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
16632
16633 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
16634
16635         * config/s390/s390.md ("reload_outti"): Remove predicate for
16636         output operand.  Abort if operand is not a MEM.
16637         ("reload_outdi", "reload_outdf"): Likewise.
16638
16639 2005-01-15  Marc Espie  <espie@openbsd.org>
16640
16641         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
16642         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
16643         * config/openbsd.h:  Fix C++ includes for native configurations.
16644         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
16645         Add trampoline support.
16646         * config/i386/openbsdelf.h: New.
16647
16648 2005-01-15  Marc Espie  <espie@openbsd.org>
16649
16650         * collect2.c (main): Explicitly parse -dynamic-linker option.
16651
16652 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
16653
16654         PR tree-optimization/19060
16655         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
16656         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
16657         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
16658         and handle extract_range_from_cond returning false.
16659         * fold-const.c (fold): Optimize comparisons with min/max even for
16660         width > HOST_BITS_PER_WIDE_INT.
16661
16662 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
16663
16664         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
16665         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
16666         Remove little endian multilib variants.
16667         Add mips32 multilib variant.
16668
16669 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
16670
16671         * explow.c (copy_all_reg, stabilize): Remove.
16672         * expr.h: Remove the corresponding prototypes.
16673
16674         * rtlanal.c (regs_set_between_p): Remove.
16675         * rtl.h: Remove the corresponding prototype.
16676
16677 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
16678
16679         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
16680         to rs6000_nonimmediate_operand.
16681         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
16682         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
16683         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
16684         rs6000_nonimmediate_operand.
16685         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
16686         rs6000_nonimmediate_operand.
16687
16688 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
16689
16690         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
16691
16692 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
16693
16694         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
16695         on e500v2.
16696         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
16697         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
16698
16699         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
16700         (rs6k_nonimmediate_operand): New.
16701         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
16702         correctly.
16703         (legitimate_lo_sum_address_p): Same.
16704         (rs6000_legitimize_address): Same.
16705         (rs6000_legitimize_reload_address): Same.
16706         (rs6000_legitimate_address): Same.
16707         (spe_build_register_parallel): Pass DF and DC modes in a DI
16708         register.
16709
16710         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
16711         to rs6k_nonimmediate_operand.
16712
16713         * config/rs6000/spe.md ("*frob_df_di"): New.
16714         ("*frob_di_df"): New.
16715         ("*frob_di_df_2"): New.
16716         ("*mov_sidf_e500_subreg0"): New.
16717         ("*mov_sidf_e500_subreg4"): New.
16718         ("*movdf_e500_double"): Change predicate to
16719         rs6k_nonimmediate_operand.
16720
16721 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
16722
16723         * postreload.c (move2add_note_store): Only call
16724         trunc_int_for_mode on scalar integers.
16725
16726 2005-01-14  Steven Bosscher  <stevenb@suse.de>
16727
16728         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
16729         replace BB_VISITED uses.
16730         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
16731         (propagate_necessity): Check the bitmap instead of BB_VISITED.
16732         (tree_dce_done): Free visited_control_parents.
16733         (perform_tree_ssa_dce): Allocate and clear it.
16734         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
16735         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
16736         instead of BB_VISITED.
16737
16738 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
16739
16740         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
16741         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
16742         Remove unused prototypes.
16743
16744 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
16745
16746         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
16747         64-bit register usage.
16748         (spe_func_has_64bit_regs_p): Add FIXME note.
16749
16750 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
16751
16752         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
16753         flag_finite_math_only with flag_unsafe_math_optimizations.
16754
16755 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
16756
16757         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
16758         end-of-stack check.
16759         (__tpf_eh_return): Copy TPF private stack area from the module
16760         boundary stack frame.  Add check for when module addresses are
16761         equal, but no stub address is found.
16762
16763 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
16764
16765         PR target/7525
16766         * arm.h (struct machine_function): Add call_via field.
16767         (thumb_call_via_label): Declare.
16768         * arm.c (thumb_call_via_label): New variable.
16769         (thumb_call_reg_needed): New variable.
16770         (arm_output_function_epilogue): For Thumb code, output any per-function
16771         call-indirect trampolines.
16772         (thumb_call_via_reg): New function.
16773         (arm_file_end): New function.
16774         (TARGET_ASM_FILE_END): Call arm_file_end.
16775         (aof_file_end): Likewise.
16776         * arm-protos.h (thumb_call_via_reg): Declare.
16777         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
16778         thumb_call_via_reg in normal case.
16779
16780 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
16781
16782         PR middle-end/19084
16783         PR rtl-optimization/19348
16784         * recog.c (peephole2_optimize): Do global life update if some peephole
16785         decides it doesn't need at least one of its inputs and that change
16786         influences liveness at the start of the basic block.
16787
16788         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
16789         arguments instead of 1.
16790
16791 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
16792
16793         PR middle-end/18820
16794         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
16795         zero for nested functions needing a static chain or functions
16796         with a non-constant address.
16797
16798 2005-01-13  Roger Sayle  <roger@eyesopen.com>
16799
16800         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
16801         (and (sign_extend X) C) into (zero_extend (and X C)).
16802
16803 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
16804
16805         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
16806
16807 2005-01-13  Richard Henderson  <rth@redhat.com>
16808
16809         PR target/19009
16810         PR target/19250
16811         PR target/19252
16812         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
16813         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
16814         not just TARGET_SSE.
16815         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
16816         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
16817         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
16818         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
16819         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
16820         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
16821         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
16822         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
16823         (movdicc_c_rex64): Rename with '*'.
16824         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
16825         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
16826         (movsfcc_1_387): Rename from movsfcc_1.
16827         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
16828         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
16829         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
16830         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
16831         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
16832         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
16833         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
16834         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
16835         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
16836         sse_movdfcc_const0_4): Remove.
16837         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
16838         recognize min/max early.  Update for changed sse cmove patterns.
16839         (ix86_split_sse_movcc): New.
16840         * config/i386/i386-protos.h: Update.
16841
16842 2005-01-13  Steven Bosscher  <stevenb@suse.de>
16843
16844         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
16845         (fix_stmt_v_may_defs): Likewise.
16846
16847 2005-01-13  Richard Henderson  <rth@redhat.com>
16848
16849         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
16850         for converting the mask.
16851
16852 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
16853
16854         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
16855         definition to 600.
16856
16857 2005-01-13  Richard Henderson  <rth@redhat.com>
16858
16859         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
16860         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
16861         IX86_BUILTIN_MOVDQ2Q): Remove.
16862         (IX86_BUILTIN_VEC_EXT_V4SI): New.
16863         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
16864         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
16865         shuffling.
16866         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
16867         (sse2_pextrw): Fix immediate constraint.
16868         (sse2_loadq, sse2_loadq_rex64): Remove.
16869         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
16870         Use __builtin_ia32_vec_ext_<size>.
16871         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
16872
16873 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
16874
16875         * function.c (assign_parm_setup_block): Look inside original
16876         entry_parm when inspecting PARALLEL.
16877
16878 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
16879             Joel Sherrill  <joel@oarcorp.com>
16880
16881         PR target/19399
16882         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
16883         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
16884         rtems_gxx_recursive_mutex_init.
16885         (__gthread_recursive_mutex_lock): New function.
16886         (__gthread_recursive_mutex_trylock): Likewise.
16887         (__gthread_recursive_mutex_unlock): Likewise.
16888
16889 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
16890
16891         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
16892
16893 2005-01-13  Jan Beulich  <jbeulich@novell.com>
16894
16895         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
16896         (ashrti3_internal): Indicate output is early clobber. Generate result
16897         into output rather than first input. Use move for low word of output
16898         if shift count is exactly 64.
16899         (lshrti3_internal): Likewise.
16900
16901 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
16902
16903         PR target/18329
16904         PR target/18330
16905         * reload1.c (delete_output_reload): Don't delete an output reload
16906         if the pseudo lives longer than a single basic block.  Adjust and
16907         improve wording of comment.
16908
16909 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
16910
16911         PR target/19334
16912         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
16913         of TYPE_SIZE where we mean the number of bytes.
16914
16915 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
16916
16917         * function.c (assign_parm_setup_block): Relax condition on
16918         multi-register optimization.
16919
16920 2005-01-12  Nick Clifton  <nickc@redhat.com>
16921
16922         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
16923         an "in_delay_slot" attribute of "no" to prevent them being used in
16924         delay slots.  This is forbidden because they might generate
16925         exceptions.
16926
16927 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
16928
16929         PR target/19389
16930         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
16931         with r->Y and Y->r.
16932
16933 2005-01-12  Nick Clifton  <nickc@redhat.com>
16934
16935         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
16936         passed on to GAS) but do not define, as GAS no longer supports or
16937         needs the -m2000 option.
16938
16939 2005-01-11  Roger Sayle  <roger@eyesopen.com>
16940
16941         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
16942         type as args of unprototyped builtins aren't automatically promoted.
16943         (fold_builtin_abs): Likewise.
16944
16945 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
16946
16947         * Makefile.in: Set a `build-warn' variable.
16948
16949 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
16950
16951         PR tree-optimization/17949
16952         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
16953         (find_interesting_uses_address): Use it.
16954
16955 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
16956
16957         * regrename.c (kill_value): Handle subreg's that won't simplify.
16958
16959 2005-01-11  Richard Henderson  <rth@redhat.com>
16960
16961         PR target/13366
16962         * config/i386/i386.h (enum ix86_builtins): Move ...
16963         * config/i386/i386.c: ... here.
16964         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
16965         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
16966         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
16967         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
16968         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
16969         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
16970         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
16971         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
16972         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
16973         IX86_BUILTIN_LOADDDUP): Remove.
16974         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
16975         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
16976         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
16977         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
16978         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
16979         (ix86_init_builtins): Make static.
16980         (ix86_init_mmx_sse_builtins): Update for changed builtins.
16981         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
16982         if all the modes match.  Otherwise, fake it.
16983         (get_element_number, ix86_expand_vec_init_builtin,
16984         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
16985         (ix86_expand_builtin): Make static.  Update for changed builtins.
16986         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
16987         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
16988         (ix86_expand_vector_init_duplicate): New.
16989         (ix86_expand_vector_init_low_nonzero): New.
16990         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
16991         Split out from ix86_expand_vector_init; handle integer modes.
16992         (ix86_expand_vector_init): Use them.
16993         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
16994         * config/i386/i386-protos.h: Update.
16995         * config/i386/predicates.md (reg_or_0_operand): New.
16996         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
16997         (movv2sf_internal): Likewise.  And a splitter to match them all.
16998         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
16999         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
17000         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
17001         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
17002         (mmx_pinsrw): Fix operand ordering.
17003         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
17004         rather than sse_loadss expander.
17005         (movv2df splitter): Similarly.
17006         (sse_loadss, sse_loadlss): Remove.
17007         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
17008         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
17009         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
17010         (sse3_movddup): Rename with '*'.
17011         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
17012         (sse2_loadsd): Remove.
17013         (vec_dupv2df_sse3): Rename from sse3_loadddup.
17014         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
17015         (sse2_pinsrw): Fix argument ordering.
17016         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
17017         (sse2_stored): Remove 'r' destination.
17018         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
17019         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
17020         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
17021         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
17022         vec_extractv16qi, vec_initv16qi): New.
17023
17024         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
17025         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
17026         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
17027         constructor form.
17028         (_mm_load_pd, _mm_store_pd): Use plain dereference.
17029         (_mm_load_si128, _mm_store_si128): Likewise.
17030         (_mm_load1_pd): Use _mm_set1_pd.
17031         (_mm_load_sd): Use _mm_set_sd.
17032         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
17033         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
17034         (_mm_set_epi64): Use _mm_set_epi64x.
17035         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
17036         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
17037         _mm_setr_epi8): Use _mm_set_foo form.
17038         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
17039         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
17040         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
17041         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
17042         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
17043         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
17044         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
17045         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
17046         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
17047         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
17048         (_mm_movedup_pd): Use _mm_shuffle_pd.
17049         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
17050         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
17051         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
17052         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
17053         Use _mm_setzero_ps.
17054         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
17055         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
17056         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
17057         (_mm_store_ps): Use raw dereference.
17058         (_mm_store1_ps): Use _mm_storeu_ps.
17059         (_mm_storer_ps): Use _mm_store_ps.
17060         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
17061         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
17062
17063 2005-01-11  Stan Shebs  <shebs@apple.com>
17064
17065         * config/rs6000/rs6000.c (machopic_output_stub): Issue
17066         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
17067
17068 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
17069
17070         PR target/18761
17071         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
17072         Skip all DECLs except for FIELD_DECLs.
17073
17074 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
17075
17076         * config/s390/s390.c (override_options): Return error if
17077         -mbackchain, -mpacked-stack and -mhard-float are used together.
17078         (s390_va_start): Remove the backchain && packed-stack special case.
17079         (s390_gimplify_va_arg): Likewise.
17080         * doc/invoke.texi: Remove the ABI incompatibility note.
17081
17082 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
17083
17084         * config/s390/s390.c (struct s390_frame_layout): Remove
17085         save_backchain_p.
17086         (s390_frame_info, s390_emit_prologue): Replace occurrences of
17087         save_backchain_p with TARGET_BACKCHAIN.
17088
17089 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
17090
17091         PR target/18916
17092         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
17093         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
17094         * function.c (locate_and_pad_parm): Set new field.
17095         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
17096         Tweak where_pad test to include "none".  Always set mem align for
17097         stack_parm.
17098         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
17099         not sufficient for type.
17100         (assign_parm_setup_block): If stack_parm is zero on entry, always
17101         make a new stack local.  Block move old stack parm if necessary
17102         to new aligned stack local.
17103         (assign_parm_setup_stack): Use a block move to handle
17104         potentially misaligned entry_parm.
17105         (assign_parms_unsplit_complex): Specify required alignment when
17106         creating stack local.
17107         * calls.c (compute_argument_addresses): Override alignment of stack
17108         arg calculated from its type with the alignment given by
17109         FUNCTION_ARG_BOUNDARY.
17110         (store_one_arg): Likewise.
17111
17112 2005-01-11  Jan Beulich  <jbeulich@novell.com>
17113
17114         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
17115         Change respective itanium_class attribute to ialu.
17116         (shladdp4_internal): New.
17117         * config/ia64/predicates.md (shladd_log2_operand): New.
17118
17119 2005-01-11  Richard Henderson  <rth@redhat.com>
17120
17121         * expr.c (store_constructor): Use rtvec_alloc instead of
17122         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
17123
17124 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
17125
17126         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
17127
17128 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
17129
17130         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
17131         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
17132         (TARGET_RWRELOC): Define.
17133         (ia64_rwreloc_section_type_flags): Delete.
17134         (ia64_section_type_flags): New function.
17135         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
17136         (TARGET_RWRELOC): Define.
17137
17138 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
17139
17140         PR target/18987
17141         * config/ia64/ia64.c (process_set): For alloc insn, only call
17142         process_epilogue is !frame_pointer_needed.
17143
17144 2005-01-10  Roger Sayle  <roger@eyesopen.com>
17145
17146         PR c++/19355
17147         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
17148         unary operator and can't be treated as a binary/comparison operator.
17149
17150 2005-01-10  Richard Henderson  <rth@redhat.com>
17151
17152         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
17153         (ix86_return_in_memory): Likewise.
17154         (function_arg_advance):  Likewise.  Mirror structure in function_arg
17155         for choosing register to advance.
17156
17157 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
17158
17159         * tree-vectorizer.c, tree.def: Fix comment typos.
17160
17161 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
17162
17163         * config/s390/s390.c (struct processor_costs): 4 new fields:
17164         ddbr, ddr, debr, der.
17165         (s390_rtx_costs): More precise handling of divide instructions.
17166
17167 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
17168
17169         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
17170
17171 2005-01-10  Jan Beulich  <jbeulich@novell.com>
17172
17173         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
17174         names resulting from -ffunction-sections/-fdata-sections and linkonce
17175         ones.
17176         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
17177         based on the section name. Rearrange the section name comparison logic
17178         slightly so that each section name is compared against at most once.
17179
17180 2005-01-10  Ben Elliston  <bje@au.ibm.com>
17181
17182         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
17183         targets for which -fPIC reduces limitations on the GOT size.
17184
17185 2005-01-09  Falk Hueffner  <falk@debian.org>
17186
17187         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
17188         X/C1 cmpop C2.
17189
17190 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
17191
17192         PR target/18720
17193         * collect2.c (main): Set aixrtl_flag for -brtl option.
17194         (resolve_lib_name): Search for .so file extension before .a
17195         if aixrtl_flag set.
17196
17197 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
17198
17199         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
17200         (vect_analyze_data_refs_alignment): Add dump prints.
17201
17202 2005-01-09  Ira Rosen  <irar@il.ibm.com>
17203
17204         * tree-vectorizer.c (vect_analyze_offset_expr): Use
17205         expr_invariant_in_loop_p.
17206         Initialize outputs first thing in the function.
17207         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
17208         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
17209         (vect_analyze_pointer_ref_access): Check that the initial condition of
17210         the access function is loop invariant.
17211
17212 2005-01-09  Richard Henderson  <rth@redhat.com>
17213
17214         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
17215         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
17216         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
17217         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
17218         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
17219         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
17220         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
17221         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
17222         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
17223         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
17224         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
17225         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
17226         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
17227         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
17228         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
17229         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
17230         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
17231         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
17232         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
17233         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
17234         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
17235         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
17236         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
17237         mmx_ prefix.
17238         (mmx_clrdi, pavgusb): Remove.
17239         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
17240         with leading sse_ prefix.
17241         * config/i386/sse.md: Receive them.
17242         * config/i386/mmx.md: New file.
17243         (MMXMODE12, MMXMODE24, mmxvecsize): New.
17244         (subrv2sf3): Turn into expander for normal subtraction.
17245         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
17246         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
17247         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
17248         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
17249         commutative; use ix86_binary_operator_ok.
17250         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
17251         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
17252         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
17253         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
17254         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
17255         Macroize from existing patterns; use ix86_binary_operator_ok.
17256         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
17257         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
17258         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
17259         with vec_select+vec_concat.
17260         (mmx_pshufw, mmx_pshufw_1): Likewise.
17261         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
17262         (mmx_uavgv4hi3): Model correctly.
17263         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
17264         _mm_xor_si64): Remove casts.
17265
17266 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
17267
17268         PR tree-optimization/19224
17269         * tree-scalar-evolution.c (get_instantiated_value,
17270         set_instantiated_value): New functions.
17271         (instantiate_parameters_1): Cache the results.
17272         (instantiate_parameters, resolve_mixers): Initialize and free
17273         the cache.
17274
17275 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
17276
17277         * config/i386/i386.md (addhi_4): Correct reference in comment.
17278         (addqi_4): Same.
17279
17280 2005-01-08  Richard Henderson  <rth@redhat.com>
17281
17282         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
17283         (_mm_cvtsi128_si64x): Likewise.
17284         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
17285         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
17286         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
17287         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
17288         * config/i386/i386-protos.h: Update.
17289         * config/i386/i386.c (print_operand): Add 'H'.
17290         (ix86_fixup_binary_operands): Split out from ...
17291         (ix86_expand_binary_operator): ... here.
17292         (ix86_fixup_binary_operands_no_copy): New.
17293         (ix86_expand_fp_absneg_operator): Handle vector mode results.
17294         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
17295         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
17296         (safe_vector_operand): Use CONST0_RTX.
17297         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
17298         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
17299         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
17300         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
17301         special cases.
17302         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
17303         (IX86_BUILTIN_CMPNGESS): New.
17304         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
17305         (attr type): Add sselog1.
17306         (attr unit, attr memory): Handle it.
17307         (movti, movti_internal, movti_rex64): Move near other integer moves.
17308         (movtf, movtf_internal): Move near other fp moves.
17309         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
17310         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
17311         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
17312         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
17313         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
17314         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
17315         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
17316         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
17317         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
17318         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
17319         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
17320         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
17321         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
17322         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
17323         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
17324         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
17325         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
17326         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
17327         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
17328         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
17329         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
17330         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
17331         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
17332         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
17333         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
17334         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
17335         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
17336         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
17337         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
17338         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
17339         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
17340         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
17341         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
17342         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
17343         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
17344         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
17345         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
17346         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
17347         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
17348         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
17349         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
17350         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
17351         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
17352         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
17353         same time.
17354         (SSEPUSH, push<SSEPUSH>): Remove.
17355         (MMXPUSH, push<MMXPUSH>): Remove.
17356         (sse_movaps, sse_movaps_1, sse_movups): Remove.
17357         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
17358         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
17359         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
17360         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
17361         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
17362         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
17363         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
17364         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
17365         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
17366         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
17367         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
17368         (ppro_sse_log_V4SF): Handle sselog1.
17369         * config/i386/predicates.md (const_0_to_1_operand): New.
17370         (const_0_to_255_mul_8_operand): New.
17371         (const_1_to_31_operand): Rename from const_int_1_31_operand.
17372         (const_2_to_3_operand, const_4_to_7_operand): New.
17373         * config/i386/sse.md: New file.
17374         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
17375         (sse_movups): Rename from sse_movups_1.
17376         (sse_loadlss): Rename from sse_loadss_1.
17377         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
17378         from the name.
17379         (negv4sf2): Use ix86_expand_fp_absneg_operator.
17380         (absv4sf2, negv2df, absv2df): New.
17381         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
17382         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
17383         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
17384         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
17385         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
17386         (sse3_addsubv4sf3): Model correctly.
17387         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
17388         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
17389         (sse_movhlps): Model with vec_select+vec_concat.
17390         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
17391         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
17392         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
17393         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
17394         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
17395         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
17396         sse2_pshufhw_1): Likewise.
17397         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
17398         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
17399         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
17400         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
17401         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
17402         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
17403         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
17404         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
17405         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
17406         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
17407         sminv8hi3): Mark commutative
17408         operands.  Use ix86_binary_operator_ok.
17409         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
17410         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
17411         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
17412         sse2_punpcklqdq): Allow operand2 in memory.
17413         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
17414         sse2_movsd): Add memory alternatives.
17415         (sse_storelps): Turn expander into an insn; split after reload.
17416         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
17417         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
17418
17419 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
17420
17421         * configure.ac (DWARF-2 debug_line): Use objdump.
17422         * configure: Regenerate.
17423
17424 2005-01-08  Jeff Law  <law@redhat.com>
17425             Diego Novillo  <dnovillo@redhat.com>
17426
17427         PR tree-optimization/18241
17428         * tree-nrv.c (tree_nrv): Ignore volatile return values.
17429         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
17430         statements with volatile operands.
17431         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
17432         operands after marking a statement with has_volatile_ops.
17433
17434 2005-01-08  Roger Sayle  <roger@eyesopen.com>
17435
17436         * tree.c (int_fits_type_p): Always honor integer constant
17437         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
17438
17439 2005-01-08  Roger Sayle  <roger@eyesopen.com>
17440
17441         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
17442         the latent bug in rtl_delete_block has been resolved.
17443
17444 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
17445
17446         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
17447         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
17448
17449 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
17450
17451         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
17452         library as @multilib_dir@/$(SHLIB_SONAME).
17453
17454 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
17455
17456         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
17457         * configure: Regenerate.
17458
17459 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
17460
17461         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
17462         TYPE_MODE.
17463
17464 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
17465
17466         PR target/13674
17467         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
17468         Convert non-word aligned offset address using ld/std into
17469         indirect address.
17470
17471 2005-01-07  Richard Henderson  <rth@redhat.com>
17472
17473         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
17474
17475 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
17476
17477         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
17478
17479 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
17480
17481         PR tree-optimization/19283
17482         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
17483         is not shorter than the original type.
17484
17485         PR rtl-optimization/19012
17486         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
17487
17488         PR rtl-optimization/18861
17489         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
17490         (FULL_STATE): Define.
17491         (mark_tablejump_edge): New function.
17492         (purge_dead_tablejump_edges): New function.
17493         (find_bb_boundaries): Use it.
17494
17495         PR tree-optimization/18828
17496         * builtins.c (expand_builtin_next_arg): Remove argument and all
17497         the argument checking.
17498         (expand_builtin): Adjust caller.
17499         (expand_builtin_va_start): Likewise.  Remove error for too many
17500         arguments.
17501         (fold_builtin_next_arg): Issue error for too many arguments.
17502         After checking arguments, replace them with magic arguments that
17503         prevent further checking of the args.
17504
17505 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
17506
17507         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
17508
17509 2005-01-06  Roger Sayle  <roger@eyesopen.com>
17510
17511         PR target/6077
17512         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
17513         and %{.S:...} (and their negative variants) to test whether the
17514         input file is assembler or pre-processed-assembler independent of
17515         the actual filename extension.
17516
17517 2005-01-06  Roger Sayle  <roger@eyesopen.com>
17518
17519         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
17520         of sign or zero extended values.
17521
17522 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
17523
17524         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
17525         for IBM long double format correctly.
17526
17527 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
17528
17529         Fix PR tree-optimization/18792
17530
17531         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
17532         to first_loop_depth, and use loop depth instead of loop number.
17533         (build_classic_dir_vector): Ditto.
17534         (compute_data_dependences_for_loop): Use depth, not loop number.
17535         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
17536         number. Pass in loops, instead of loop numbers.
17537         (gather_interchange_stats): Ditto.
17538         (linear_transform_loops): Ditto.
17539
17540 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
17541
17542         PR rtl-opt/13299
17543         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
17544         biv_fits_mode_p, extension_within_bounds_p): New functions.
17545         (check_ext_dependent_givs): Use them.
17546
17547 2005-01-06  Roger Sayle  <roger@eyesopen.com>
17548
17549         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
17550         more than one barrier, in which case we should delete them all.
17551
17552 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
17553
17554         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
17555
17556 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
17557
17558         Fix PR middle-end/19286
17559         Fix PR debug/19267
17560         * dwarf2out.c (gen_subprogram_die): If we've already tried to
17561         output this subprogram, simply ignore this attempt to do it again.
17562         (add_abstract_origin_attribute): Don't abort trying to add the abstract
17563         origin attribute if it's not possible.
17564         (gen_block_die): Don't ignore subblocks of "unused" blocks.
17565         (decls_for_scope): Ditto.
17566         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
17567         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
17568
17569 2005-01-05  Richard Henderson  <rth@redhat.com>
17570
17571         PR target/11327
17572         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
17573         (bdesc_2arg): Use it.
17574         (ix86_expand_binop_builtin): Force operands into registers
17575         when optimizing.
17576         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
17577         ix86_expand_sse_compare, ix86_expand_sse_comi,
17578         ix86_expand_builtin): Likewise.
17579
17580 2005-01-05  Richard Henderson  <rth@redhat.com>
17581
17582         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
17583         and VEC_SELECT.
17584         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
17585         (mulv4hi3): Set itanium_class mmmul.
17586         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
17587         (fpack): Rename from fpack_sfsf.
17588
17589 2005-01-05  Richard Henderson  <rth@redhat.com>
17590
17591         PR rtl-opt/10692
17592         * reload1.c (do_input_reload): Restrict the optimization deleteing
17593         a previous output reload to RELOAD_FOR_INPUT.
17594
17595 2005-01-05  Steven Bosscher  <stevenb@suse.de>
17596
17597         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
17598         comment that we fall through after case.
17599         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
17600         (distribute_links): Likewise.
17601         * cse.c (cse_insn): Likewise.
17602         * cselib.c (cselib_invalidate_mem): Likewise.
17603         * df.c: Update comments at the top of the file.
17604         (read_modify_subreg_p): Update comments here too.
17605         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
17606         * flow.c (mark_set_1): Likewise.
17607         (mark_used_regs): Likewise.
17608         * gcse.c (mems_conflict_for_gcse_p): Likewise.
17609         (canon_list_insert): Likewise.
17610         (mark_set): Likewise.
17611         (try_replace_reg): Likewise.
17612         (store_killed_in_insn): Likewise.
17613         * loop.c (count_one_set): Likewise.
17614         (basic_induction_var): Likewise.
17615         * postreload-gcse.c (find_mem_conflicts): Likewise.
17616         * postreload.c (reload_combine_note_store): Likewise.
17617         (move2add_note_store): Likewise.
17618         * reload.c (find_equiv_reg): Likewise.
17619         (mark_referenced_resources): Likewise.
17620         * rtlanal.c (set_noop_p): Likewise.
17621         (note_stores): Likewise.
17622         (note_uses): Likewise.
17623         * sched-deps.c (sched_analyze_1): Likewise.
17624         * sched-rgn.c (check_live_1): Likewise.
17625         (update_live_1): Likewise.
17626         * config/i860/i860.c: Likewise.
17627
17628         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
17629         an lvalue.
17630         (ZERO_EXTRACT): Mention that this one can be an lvalue.
17631
17632         * doc/rtl.texi: Update documentation for bit-fields and SET.
17633
17634 2005-01-05  Roger Sayle  <roger@eyesopen.com>
17635
17636         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
17637
17638 2005-01-05  Jan Hubicka  <jh@suse.cz>
17639             Richard Henderson  <rth@redhat.com>
17640
17641         PR target/18910
17642         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
17643         with an offset.
17644
17645 2005-01-05  Richard Henderson  <rth@redhat.com>
17646
17647         PR target/12902
17648         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
17649         (sse_shufps): Change operand 3 to const_int_operand.
17650         (sse2_storelps): Fix typo in template.
17651         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
17652         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
17653         (ix86_expand_builtin): Likewise.
17654
17655 2005-01-05  Julian Brown  <julian@codesourcery.com>
17656
17657         * config/arm/arm.c (arm_return_in_memory): Treat complex types
17658         as aggregates for AAPCS ABIs.
17659
17660 2005-01-05  Stan Shebs  <shebs@apple.com>
17661
17662         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
17663         Mach-O getters if ppc64.
17664         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
17665         size argument.
17666         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
17667         signed four-byte field for global code case.
17668         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
17669
17670 2005-01-05  Roger Sayle  <roger@eyesopen.com>
17671
17672         PR middle-end/19100
17673         * c-common.c: Include real.h.
17674         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
17675         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
17676         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
17677         * Makefile.in (c-common.o): Update dependencies.
17678
17679 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
17680
17681         * c-parse.in (asm_string): Add trailing semicolon.
17682
17683 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
17684
17685         * c-parse.in (asm_string): New.  Don't allow wide strings in
17686         'asm'.
17687         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
17688         asm_string instead of STRING.
17689
17690 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
17691
17692         * c-typeck.c (constructor_no_implicit): Remove.
17693         (set_designator, process_init_element): Don't check
17694         constructor_no_implicit.
17695
17696 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
17697             Kaz Kojima  <kkojima@gcc.gnu.org>
17698
17699         PR target/16482
17700         * lcm.c (create_pre_exit): New.
17701         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
17702         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
17703
17704 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
17705
17706         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
17707         -msoft-float in target_float_switch.
17708         * arm.c (arm_override_options): Fix processing of target_float_switch.
17709
17710 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
17711
17712         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
17713         preferencing.
17714
17715 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
17716
17717         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
17718         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
17719
17720 2005-01-04  Roger Sayle  <roger@eyesopen.com>
17721
17722         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
17723         if deleting the then-block allows the test-block to fallthru to the
17724         else-block.
17725
17726 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
17727
17728         PR c/19152
17729         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
17730         after the full declaration if the are in two different TUs.
17731
17732 2005-01-04  Richard Henderson  <rth@redhat.com>
17733
17734         PR tree-opt/19158
17735         * tree-sra.c (generate_one_element_init): Just
17736         call gimplify_and_add.
17737         (generate_element_init): Record the
17738         new referenced variables and mark them for renaming
17739         and split out to ...
17740         (generate_element_init_1): This.
17741         (scalarize_init): Don't call push_gimplify_context/
17742         pop_gimplify_context.
17743
17744 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
17745
17746         * toplev.c (get_src_pwd): Handle failure of getpwd().
17747
17748 2005-01-04  Roger Sayle  <roger@eyesopen.com>
17749
17750         * fold-const.c (fold_single_bit_test): Delete unreachable handling
17751         of TRUTH_NOT_EXPR.
17752         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
17753         all the cases handled by it are inverted by invert_truthvalue.
17754
17755 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
17756
17757         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
17758         (save_register_windowsi): Likewise.
17759
17760 2005-01-04  Richard Henderson  <rth@redhat.com>
17761
17762         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
17763
17764 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
17765
17766         PR middle-end/17767
17767         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
17768         any simplifications of vector mode comparison operators.
17769         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
17770
17771 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
17772             Devang Patel  <dpatel@apple.com>
17773
17774         PR tree-optimization/18308
17775         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
17776         the operands before creating a new expression.
17777         * dojump.c (do_jump): Make drop_through_label available
17778         for all cases.  Add expansion of COND_EXPR.
17779
17780 2005-01-04  Ira Rosen  <irar@il.ibm.com>
17781
17782         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
17783         INTEGER_CST instead of TREE_CONSTANT.
17784         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
17785         instead of TREE_CONSTANT.
17786         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
17787         instead of TREE_CONSTANT.
17788
17789 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
17790
17791         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
17792
17793 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
17794
17795         PR target/19240
17796         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
17797         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
17798
17799 2005-01-03  Richard Henderson  <rth@redhat.com>
17800
17801         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
17802         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
17803         fold_convert_const_real_from_real): Split out from ...
17804         (fold_convert_const): ... here.
17805
17806 2005-01-03  Richard Henderson  <rth@redhat.com>
17807
17808         PR target/19235
17809         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
17810         (mov<MMXMODEI>_internal): Likewise.
17811         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
17812         Add V2SF case; use it for SSE1; don't use TI.
17813         (movdf_integer): Likewise.
17814         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
17815
17816 2005-01-03  Ira Rosen  <irar@il.ibm.com>
17817
17818         * tree-vectorizer.c (vect_strip_conversions): New function.
17819         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
17820         check for binary class.
17821
17822 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
17823
17824         Fix PR debug/17924
17825         Fix PR debug/19191
17826         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
17827         is a decl.
17828         * gimple-low.c (mark_blocks_with_used_vars): New function.
17829         (mark_blocks_with_used_subblocks): Ditto.
17830         (mark_used_blocks): Ditto.
17831         (pass_mark_used_blocks): New pass.
17832         * tree-inline.c: Include debug.h.
17833         (expand_call_inline): Call outlining_inline_function here.
17834         * tree-optimize.c (init_tree_optimization_passes): Add
17835         pass_mark_used_blocks.
17836         * tree-pass.h (pass_mark_used_blocks): New.
17837         * Makefile.in (tree-inline.o): Add debug.h dependency.
17838
17839 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
17840
17841         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
17842         VAR_DECLs to have weak_import attribute.
17843
17844         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
17845         'struct ucontext'.
17846
17847 2004-01-03  Steven Bosscher  <stevenb@suse.de>
17848
17849         * passes.c (rest_of_compilation): Don't run regmove if only
17850         flag_expensive_optimizations, require flag_regmove instead.
17851
17852 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
17853
17854         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
17855         register "sparc".
17856         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
17857         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
17858         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
17859         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
17860
17861 2005-01-03  Richard Henderson  <rth@redhat.com>
17862
17863         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
17864         (ia64_const_ok_for_letter_p): New.
17865         (ia64_const_double_ok_for_letter_p): New.
17866         (ia64_extra_constraint): New.
17867         (ia64_expand_vecint_compare): New.
17868         (ia64_expand_vcondu_v2si): New.
17869         (ia64_expand_vecint_cmov): New.
17870         (ia64_expand_vecint_minmax): New.
17871         (ia64_print_operand): Add 'v'.
17872         (ia64_preferred_reload_class): New.
17873         (ia64_vector_mode_supported_p): New.
17874         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
17875         (PREFERRED_RELOAD_CLASS): Move to function.
17876         (CONST_OK_FOR_LETTER_P): Move to function.
17877         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
17878         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
17879         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
17880         (EXTRA_CONSTRAINT): Move to function.
17881         * config/ia64/ia64.md: Include vect.md.
17882         (itanium_class): Add mmalua.
17883         (type): Handle it.
17884         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
17885         (1b_mmalua): New.
17886         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
17887         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
17888         CONST0_RTX.
17889         (const_int_2bit_operand): New.
17890         (fr_reg_or_0_operand): New.
17891         * config/ia64/ia64-modes.def: Add vector modes.
17892         * config/ia64/ia64-protos.h: Update.
17893         * config/ia64/vect.md: New file.
17894
17895 2005-01-03  Richard Henderson  <rth@redhat.com>
17896
17897         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
17898
17899 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
17900
17901         PR target/19236
17902         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
17903         to SFmode.
17904         (log1pdf2): Change mode of operands[0,1] to DFmode.
17905
17906 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
17907
17908         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
17909         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
17910         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
17911         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
17912         SPARC_RELAXED_ORDERING.
17913
17914 2005-01-03  Richard Henderson  <rth@redhat.com>
17915             Uros Bizjak  <uros@kss-loka.si>
17916
17917         PR target/14631
17918         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
17919         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
17920         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
17921         handling.
17922         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
17923         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
17924         const_pow2_1_to_128_operand): New predicates.
17925
17926 2005-01-02  Greg McGary  <greg@mcgary.org>
17927
17928         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
17929         anonymous decls.
17930         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
17931         object.  [ptr_type]: Remove unused variable.
17932         Remember nearest addressable array-element or record-component
17933         when checking bitfield components.  Tolerate empty BIND_EXPR.
17934
17935 2005-01-01  Richard Henderson  <rth@redhat.com>
17936
17937         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
17938         that don't narrow the value.  Fail for other conversions.
17939
17940 2005-01-01  Richard Henderson  <rth@redhat.com>
17941
17942         PR c/19031
17943         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
17944         * c-lang.c (finish_file): Don't do it here.
17945         * objc/objc-act.c (objc_finish_file): Likewise.
17946
17947         * cgraph.c (decl_assembler_name_equal): New.
17948         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
17949         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
17950         * cgraph.h (struct cgraph_varpool_node): Add next.
17951         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
17952         * varasm.c (assemble_alias): Mark the target as needed.
17953
17954 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
17955
17956         PR middle-end/19221
17957         * function.c (get_arg_pointer_save_area): Use entry_of_function
17958         instead of get_insns.
17959
17960 2005-01-01  Roger Sayle  <roger@eyesopen.com>
17961             Andrew Pinski  <pinskia@physics.uc.edu>
17962             James E. Wilson  <wilson@specifixinc.com>
17963
17964         PR rtl-optimization/12092
17965         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
17966         is zero.
17967
17968 2005-01-01  Roger Sayle  <roger@eyesopen.com>
17969             Olivier Hainque  <hainque@act-europe.fr>
17970
17971         * tree.c (int_fits_type_p): A narrower type always fits in a
17972         wider one, except for negative values into unsigned types.
17973
17974 2005-01-01  Roger Sayle  <roger@eyesopen.com>
17975
17976         * tree.c (int_fits_type_p): Compare the result of force_fit_type
17977         with the original constant rather than require TREE_OVERFLOW.
17978
17979 2005-01-01  Steven Bosscher  <stevenb@suse.de>
17980
17981         PR middle-end/17544
17982         * c-decl.c (finish_function): If compiling C99, annotate the
17983         compiler generated return with the current file name and line 0.
17984         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
17985         the source line is greater than 0.
17986         (remove_bb): Likewise.