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1 2005-05-18  Richard Henderson  <rth@redhat.com>
2
3         PR 21541
4         * tree-ssa-operands.c (opf_non_specific): New.
5         (get_asm_expr_operands): Set it.
6         (add_call_clobber_ops, add_call_read_ops): Likewise.
7         (add_stmt_operand): Test it instead of opf_kill_def when
8         considering unmodifiable variables.
9
10         * tree-ssa-operands.c (get_expr_operands): Fix exact test.
11
12 2005-05-19  Kazu Hirata  <kazu@cs.umass.edu>
13
14         * cfgexpand.c, tree-cfg.c, tree-inline.c, tree-optimize.c,
15         tree-ssa-forwprop.c: Fix comment typos.
16         * doc/invoke.texi: Fix a typo.
17
18 2005-05-18  Richard Henderson  <rth@redhat.com>
19
20         * config.gcc (powerpc-*-linux*): Include linux64.opt when
21         including linux64.h.
22
23 2005-05-18  Richard Henderson  <rth@redhat.com>
24
25         * tree-cfg.c (pass_remove_useless): Revert last change.
26         * tree-optimize.c (init_tree_optimization_passes): Initialize
27         all_lowering_passes with PROP_gimple_any.
28
29 2005-05-18  Devang Patel  <dpatel@apple.com>
30
31         * config/rs6000/rs6000.md (insvsi_internal1): Subtract shift from
32         the mask end.
33         
34 2005-05-18  Richard Henderson  <rth@redhat.com>
35
36         * tree-ssa-forwprop.c (cfg_changed): New.
37         (tidy_after_forward_propagate_addr): New.
38         (forward_propagate_addr_expr): Use it, and fold_stmt_inplace.
39         (forward_propagate_addr_into_variable_array_index): Likewise.
40         (tree_ssa_forward_propagate_single_use_vars): Cleanup cfg if
41         edges were removed.
42
43 2005-05-18  Geoffrey Keating  <geoffk@apple.com>
44
45         * dummy-checksum.c: New.
46         * genchecksum.c: New.
47         * c.opt (print_pch_checksum): New flag.
48         * c-pch.c (struct c_pch_validity): Make much shorter.
49         (no_checksum): New.
50         (host_machine): Remove.
51         (target_machine): Remove.
52         (get_ident): Change PCH version number.
53         (pch_init): When -fverbose-asm, print out the compiler fingerprint.
54         Don't put triplets or version string in PCH validity data.
55         Do put the compiler checksum in the validity data.
56         (c_common_valid_pch): Don't check triplets or version string.  Do
57         check checksum.
58         (c_common_print_pch_checksum): New.
59         * c-opts.c (c_common_handle_option): Add OPT_print_pch_checksum.
60         Print fingerprint with -v.
61         * c-common.h (c_common_print_pch_checksum): New.
62         (executable_checksum): New.
63         * Makefile.in (STAGEMOVESTUFF): Add cc1*-dummy, *-checksum.c.
64         (cc1-dummy): New rule.
65         (cc1-checksum.c): New rule.
66         (cc1-checksum.o): New rule.
67         (cc1): Add checksum support.
68         (build/genchecksum): New.
69         (build/genchecksum.o): New.
70         (dummy-checksum.o): New.
71         (genobjnames): Add genchecksum.o.
72         (mostlyclean): Remove *-checksum.c.
73         (gnucompare): Add libgcc to list of directories checked.
74         Make comparison problems in libgcc/ and with checksum files only
75         be warnings.
76         * doc/invoke.texi (Precompiled Headers): Remove caution.
77         Document that it must be the exact same binary.  Add a few
78         known-safe flags to the list.
79
80         * rs6000/predicates.md (fix_trunc_dest_operand): New.
81         * rs6000/rs6000.md (fix_truncdfsi2): Use fix_trunc_dest_operand.
82         Check that a memory operand is valid before trying to use it.
83         
84         * tree-cfg.c (pass_remove_useless): This pass works on trees.
85
86 2005-05-18  Richard Guenther  <rguenth@gcc.gnu.org>
87
88         * tree.c (build1_stat): Don't try to handle two-operand
89         tree codes.
90
91 2005-05-18  Richard Sandiford  <rsandifo@redhat.com>
92
93         * config.gcc (sh*-*-*): Define SUPPORT_* macros to 1.
94         * config/sh/sh.h: Update mask names throughout.
95         (target_flags, ISIZE_BIT, DALIGN_BIT, SH1_BIT, SH2_BIT, SH3_BIT)
96         (SH_E_BIT, HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, SH4A_BIT, FMOVD_BIT)
97         (SH5_BIT, SPACE_BIT, BIGTABLE_BIT, RELAX_BIT, USERMODE_BIT)
98         (HITACHI_BIT, NOMACSAVE_BIT, PREFERGOT_BIT, PADSTRUCT_BIT)
99         (LITTLE_ENDIAN_BIT, IEEE_BIT, SAVE_ALL_TR_BIT, HARD_SH2A_BIT)
100         (HARD_SH2A_DOUBLE_BIT, INDEXED_ADDRESS_BIT, PT_FIXED_BIT)
101         (INVALID_SYMBOLS_BIT, ADJUST_UNROLL_BIT, TARGET_DUMPISIZE)
102         (TARGET_ALIGN_DOUBLE, TARGET_SH1, TARGET_SH2, TARGET_SH3)
103         (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH5, TARGET_FMOVD)
104         (TARGET_IEEE, TARGET_SMALLCODE, TARGET_BIGTABLE, TARGET_RELAX)
105         (TARGET_HITACHI, TARGET_NOMACSAVE, TARGET_PADSTRUCT)
106         (TARGET_LITTLE_ENDIAN, TARGET_USERMODE, TARGET_PREFERGOT)
107         (TARGET_SAVE_ALL_TARGET_REGS, TARGET_ALLOW_INDEXED_ADDRESS)
108         (TARGET_PT_FIXED, TARGET_INVALID_SYMBOLS, TARGET_ADJUST_UNROLL)
109         (TARGET_SWITCH_SH1, TARGET_SWITCH_SH2, TARGET_SWITCH_SH2E)
110         (TARGET_SWITCH_SH2A, TARGET_SWITCH_SH2A_SINGLE_ONLY)
111         (TARGET_SWITCH_SH2A_SINGLE, TARGET_SWITCH_SH2A_NOFPU)
112         (TARGET_SWITCH_SH3, TARGET_SWITCH_SH3E, TARGET_SWITCH_SH4_SINGLE_ONLY)
113         (TARGET_SWITCH_SH4_SINGLE, TARGET_SWITCH_SH4_NOFPU, TARGET_SWITCH_SH4)
114         (TARGET_SWITCH_SH4A, TARGET_SWITCH_SH4A_SINGLE_ONLY)
115         (TARGET_SWITCH_SH4A_SINGLE, TARGET_SWITCH_SH4A_NOFPU)
116         (TARGET_SWITCH_SH4AL, TARGET_SWITCH_SH5_64MEDIA)
117         (TARGET_SWITCH_SH5_64MEDIA_NOFPU, TARGET_SWITCHES_SH5_32MEDIA)
118         (TARGET_SWITCHES_SH5_32MEDIA_NOFPU, TARGET_SWITCH_SH5_32_ANY_EXTRA)
119         (TARGET_SWITCH_SH5_MEDIA_ANY_EXTRA, TARGET_SWITCHES)
120         (SUBTARGET_SWITCHES): Delete.
121         (TARGET_SH2E, TARGET_SH2A, TARGET_SH2A_SINGLE, TARGET_SH2A_DOUBLE)
122         (TARGET_SH3E, TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARVARD)
123         (TARGET_FPU_DOUBLE, TARGET_SH4A_ARCH, TARGET_SHMEDIA32)
124         (TARGET_SHMEDIA64): Redefine using other TARGET_* macros.
125         (TARGET_SH4): Undefine options.h definition and check MASK_SH1 as well.
126         (SUPPORT_SH1, SUPPORT_SH2E, SUPPORT_SH4, SUPPORT_SH4_SINGLE)
127         (SUPPORT_SH2A, SUPPORT_SH2A_SINGLE): Make numeric.
128         (SUPPORT_SH2): Define to 1 if SUPPORT_SH1.
129         (SUPPORT_SH3): Likewise SUPPORT_SH2.
130         (SUPPORT_SH4_NOFPU): Likewise SUPPORT_SH3.
131         (SUPPORT_SH4A_NOFPU, SUPPORT_SH4AL, SUPPORT_SH2A_NOFPU): Likewise
132         SUPPORT_SH4_NOFPU.
133         (SUPPORT_SH3E): Likewise SUPPORT_SH2E.
134         (SUPPORT_SH4_SINGLE_ONLY, SUPPORT_SH4A_SINGLE_ONLY)
135         (SUPPORT_SH2A_SINGLE_ONLY): Likewise SUPPORT_SH3E.
136         (SUPPORT_SH4A): Likewise SUPPORT_SH4.
137         (SUPPORT_SH4A_SINGLE): Likewise SUPPORT_SH4_SINGLE.
138         (SUPPORT_SH5_32MEDIA): Likewise SUPPORT_SH5_COMPACT.
139         (SUPPORT_SH5_32MEDIA_NOFPU): Likewise SUPPORT_SH5_COMPACT_NOFPU.
140         (SUPPORT_ANY_SH5_32MEDIA, SUPPORT_ANY_SH5_64MEDIA)
141         (SUPPORT_ANY_SH5): New macros.
142         (TARGET_NONE): Replace with...
143         (MASK_ARCH): ...this new macro.
144         * config/sh/elf.h: Update mask names
145         * config/sh/linux.h: Likewise.
146         * config/sh/little.h: Likewise.
147         * config/sh/netbsd-elf.h: Likewise.
148         * config/sh/symbian-pre.h: Likewise.
149         * config/sh/sh.c (sh_handle_option): New function.
150         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
151         (calc_live_regs): Use MASK_FPU_SINGLE instead of FPU_SINGLE_BIT.
152         (sh_target_switches, target_switches): Delete.
153         (sh_pch_valid_p): Check for specific differences in the target_flags
154         settings.
155         (sh_init_cumulative_args): Use MASK_HITACHI instead of HITACHI_BIT.
156         * config/sh/sh.opt: New file.
157
158 2005-05-18  Richard Henderson  <rth@redhat.com>
159
160         PR target/21632
161         * config/ia64/ia64.c (ia64_extra_constraint) <'T'>: Use
162         small_addr_symbolic_operand.
163
164 2005-05-18  Jeff Law  <law@redhat.com>
165
166         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Do not
167         propagate an ADDR_EXPR if the definition and use sites are
168         in different EH regions.
169
170 2005-05-18  Ian Lance Taylor  <ian@airs.com>
171
172         * read-rtl.c (mode_attr_index): Use obstack_grow0, not
173         obstack_grow.
174
175 2005-05-18  Daniel Berlin  <dberlin@dberlin.org>
176
177         * cfgrtl.c (purge_dead_edges): Don't remove fake edges.
178
179 2005-05-18  Daniel Berlin  <dberlin@dberlin.org>
180         
181         Fix PR tree-optimization/21407
182
183         * tree-ssa-operands.c (note_addressable): Change
184         COMPONENT_REF handling in response to aliasing
185         discussion.
186
187 2005-05-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
188
189         * config/sparc/sol2.h (TARGET_DEFAULT): Add back MASK_APP_REGS.
190         * config/sparc/sol2-64.h (TARGET_DEFAULT): Likewise.
191         * config/sparc/sp-elf.h (TARGET_DEFAULT): Delete.
192         * doc/invoke.texi (SPARC options): Document that -mapp-regs is
193         the default on Solaris too.
194
195 2005-05-17  Daniel Berlin  <dberlin@dberlin.org>
196
197         * tree-ssa-pre.c (find_or_generate_expression): CALL_EXPR
198         is okay too.
199
200 2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
201
202         * timevar.def (TV_SCEV_CONST): New timevar.
203         * tree-optimize.c (init_tree_optimization_passes): Add
204         pass_scev_cprop.
205         * tree-pass.h (pass_scev_cprop): Declare.
206         * tree-scalar-evolution.c (scev_const_prop): New function.
207         * tree-scalar-evolution.h (scev_const_prop): Declare.
208         * tree-ssa-loop.c (gate_scev_const_prop, pass_scev_cprop):
209         New.
210         * tree-cfg.c (replace_uses_by): Export.
211         * tree-flow.h (replace_uses_by): Declare.
212
213 2005-05-17  Mike Stump  <mrs@apple.com>
214
215         Yet more Objective-C++...
216
217         * c-common.h (objc_finish_try_stmt): Add.
218         (objc_build_synchronized): Add.
219         (objc_generate_write_barrier): Add.
220         * stub-objc.c (objc_build_synchronized): Add return value.
221         (objc_finish_try_stmt): Likewise.
222         (objc_generate_write_barrier): Add.
223
224         * c-common.h (objc_rewrite_function_call): Add.
225         * c-typeck.c (build_function_call): Allow objc to rewrite
226         FUNCTION_DECLs.
227         (build_modify_expr): Allow objc to generate write barriers.
228         * c.opt (Wassign-intercept): Add.
229         (Wstrict-selector-match): Add.
230         (fobjc-call-cxx-cdtors): Add.
231         (fobjc-direct-dispatch): Add.
232         (fobjc-gc): Add.
233         * dbxout.c (get_lang_number): Add Objective-C++ support.
234         * doc/invoke.texi (-fobjc-call-cxx-cdtors): Likewise.
235         (-Wstrict-selector-match): Likewise.
236         (-fobjc-direct-dispatch): Likewise.
237         (-Wassign-intercept): Likewise.
238         (Overall Options): Likewise.
239         * gengtype.c (get_output_file_with_visibility): Likewise.
240         * stub-objc.c (objc_rewrite_function_call): Add.
241         * config/darwin.h (ASM_OUTPUT_LABELREF): Improved quoting support.
242
243         * c-common.c (flag_objc_exceptions): Remove.
244         (flag_objc_sjlj_exceptions): Remove.
245         * c-decl.c (objc_mark_locals_volatile): Don't change decls
246         that are already ok.
247         * c-opts.c (c_common_handle_option, case
248         OPT_fobjc_exceptions): Remove.
249         (case OPT_fobjc_sjlj_exceptions): Remove
250         * c.opt (fobjc-call-cxx-cdtors): Have opt create the flag.
251         (fobjc-exceptions): Likewise.
252         (fobjc-sjlj-exceptions): Likewise.
253         * config/rs6000/darwin.h (OFFS_MSGSEND_FAST): Add.
254         (OFFS_ASSIGNIVAR_FAST): Add.
255         
256 2005-05-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
257
258         * config/sparc/sparc.md (movhi): Do not test constness
259         of operand #1 twice.
260         (movsi): Likewise.
261         (movdi): Unconditionally accept zero as second operand
262         when the first is memory.
263         (movdi_insn_sp32): Handle above case.
264         (DImode splitter): Use predicates.
265         (DImode splitter): Use const_zero_operand predicate.
266         (movsf_insn): Swap 2 alternatives.
267
268 2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
269
270         * tree-ssa-loop-ivopts.c (find_bivs, find_givs_in_stmt_scev): Apply
271         expand_simple_operations to bases of the ivs.
272         (tree_int_cst_sign_bit): Export.
273         * tree-flow.h (expand_simple_operations): Declare.
274         * tree-ssa-loop-niter.c (number_of_iterations_cond): Use
275         tree_int_cst_sign_bit.
276         (expand_simple_operations): Export.
277         * tree.h (tree_int_cst_sign_bit): Declare.
278
279 2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
280
281         * tree-cfg.c (tree_can_merge_blocks_p): Allow phi nodes in the
282         merged block.
283         (replace_uses_by): New function.
284         (tree_merge_blocks): Eliminate the phi nodes in the merged block.
285         * tree-flow.h (fold_stmt_inplace): Declare.
286         * tree-ssa-ccp.c (fold_stmt_inplace): New function.
287         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update dominance
288         info after cfg cleanup.
289
290 2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
291
292         * cfgloop.h (just_once_each_iteration_p): Declaration changed.
293         * cfgloopanal.c (just_once_each_iteration_p): Make the loop argument
294         const.
295
296 2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
297
298         * ggc-page.c (ggc_alloc_stat): Record amount of memory allocated.
299         * ggc-zone.c (ggc_alloc_zone_1): Ditto.
300         * timevar.c (timevar_ggc_mem_total): New variable.
301         (GGC_MEM_BOUND): New constant.
302         (get_time): Record ggc memory status.
303         (timevar_accumulate): Accumulate amount of ggc memory.
304         (timevar_print): Print consumption of ggc memory.
305         * timevar.def (TV_FIND_REFERENCED_VARS, TV_TREE_REDPHI,
306         TV_TREE_LOOP_BOUNDS, TV_TREE_LOOP_IVCANON, TV_TREE_VECTORIZATION,
307         TV_TREE_LINEAR_TRANSFORM): Shorten strings to fit in 22 characters.
308         * timevar.h (struct timevar_time_def): Add ggc_mem field.
309         (timevar_ggc_mem_total): Declare.
310
311 2005-05-17  Kazu Hirata  <kazu@cs.umass.edu>
312
313         * tree-into-ssa.c (update_ssa): Clean up by shortening the
314         live range of DFS.
315
316 2005-05-17  Hans-Peter Nilsson  <hp@axis.com>
317
318         * config/cris/cris.md (ncond, ocode, rcond): Remove separate
319         define_code_attr.
320         ("b<ncond:code>", "b<ocond:code>", "b<rcond:code>")
321         ("*b<ncond:code>_reversed", "*b<ocond:code>_reversed")
322         ("*b<rcond:code>_reversed", "s<ncond:code>", "s<rcond:code>")
323         ("s<ocond:code>"): Rename from respectively "b<ncond>",
324         "b<ocond>", "b<rcond>", ("*b<ncond>_reversed",
325         "*b<ocond>_reversed", "*b<rcond>_reversed", "s<ncond>",
326         "s<rcond>" and "s<ocond>".
327         ("b<ocond:code>", "*b<ocond:code>_reversed")
328         ("*b<rcond:code>_reversed"): Remove extraneous backslashes in
329         output statement section.
330
331 2005-05-17  Roger Sayle  <roger@eyesopen.com>
332
333         * c-typeck.c (common_type): Also handle BOOLEAN_TYPEs.
334
335 2005-05-17  Steven Bosscher  <stevenb@suse.de>
336             Stuart Hastings <stuart@apple.com>
337             Jan Hubicka  <jh@suse.cz>
338             Dale Johannesen  <dalej@apple.com>
339
340         * cgraph.h (cgraph_node): Add 'lowered' state.
341         (cgraph_lower_function): Declare.
342         * cgraphunit.c (cgraph_finalize_function): Initialize lowered flag.
343         (cgraph_lower_function): New function.
344         (cgraph_create_edges): Deal with lowered function bodies.
345         (verify_cgraph_node): Likewise.
346         (cgraph_analyze_function): Do lowering job.
347         (cgraph_build_static_cdtor): Likewise.
348         * function.h (struct function): Add saved_eh and saved_cfg.
349         * integrate.c (copy_decl_for_inlining): Kill LABEL_DECL_UID field.
350         * tree-cfg.c (fold_cond_expr_cond): Export.
351         * tree-flow.h (fold_cond_expr_cond): Declare.
352         * tree-inline.c: Include basic-block, ggc, tree-flow, except.h and
353         pointer-set.
354         (struct_inline_data): Kill fnd, first_inlined_fn, ret_label,
355         in_target_cleanup_p, tree_pruner, tsi; add callee, caller and
356         callee_cfun, block, eh_region, eh_region_offset.
357         (inlining_p): New predicate.
358         (remap_decl): Update for new inline_data; declare newly created inline
359         vars in low gimple way.
360         (copy_body_r): Update for new datastructure, simplify some of handling
361         when we are in gimple; remap LABEL_DECLs for EH; copy TREE_BLOCK;
362         deal with RESX_EXPRs.
363         (copy_bb): New.
364         (copy_edges_for_bb): Likewise.
365         (remap_decl_1): New.
366         (copy_cfg_body): New.
367         (copy_generic_body): Rewrite to work on low gimple.
368         (copy_body): Turn into simple wrapper around copy_cfg_body.
369         (setup_one_parameter): Insert new statements into given basic block.
370         (initialize_initialized_parameters): Likewise, reorganize way things are
371         gimplified.
372         (declare_return_variable): Update for new inline data datastructure.
373         (inline_forbidden_p): Work on low gimple.
374         (estimate_num_insns): Likewise.
375         (expand_call_inline): Work on CFG.
376         (push_cfun, pop_cfun): New functions.
377         (cfun_stack): New stack.
378         (add_lexical_block): New function.
379         (gimple_expand_calls_inline): Work on basic block.
380         (optimize_inline_calls): Likewise.
381         (clone_body, save_body, unsave_ewpr_now): Update for new
382         datastructures.
383         (declare_inline_vars): Work on block instead of bind_expr.
384         (inlining_p): New predicate.
385         * tree-inline.h (push_cfun, pop_cfun): Declare.
386         * tree-optimize.c: Include except.h
387         (all_lowering_passes): New variable.
388         (execute_fixup_cfg, pass_fixup_cfg): New pass.
389         (init_tree_optimization_passes): Move some to all_lowering_passes.
390         (tree_lowering_passes): New function.
391         (tree_rest_of_compilation): Register cfg hooks; save/unsave eh.
392         * tree-pass.h (tree_lowering_passes): Declare
393
394 2005-05-17  Nathan Sidwell  <nathan@codesourcery.com>
395
396         * unwind-dw2-fde-darwin.c: Include tsystem.h.
397
398 2005-05-17  Jeff Law  <law@redhat.com>
399
400         * Makefile.in (tree-ssa-forwprop.o): Depend on langhooks.h.
401         * tree-ssa-forwprop.c: Include langhooks.h.
402         (forward_propagate_addr_expr_into_variable_array_index): New.
403         (forward_propagate_addr_expr): New.
404         (tree_ssa_forward_propagate_single_use_vars): Loop over all
405         the statements in the block instead of just the last statement.
406         Call forward_propagate_addr_expr as needed.
407         (pass_forwprop): Update the SSA graph after forward propagation is
408         complete.
409
410 2005-05-17  Nathan Sidwell  <nathan@codesourcery.com>
411
412         * unwind-dw2-fde-glibc.c (base_from_cb_data,
413         _Unwind_IteratePhdrCallback): Use gcc_assert and gcc_unreachable as
414         appropriate.
415         * unwind-dw2-fde.c (__deregister_frame_info_bases,
416         base_from_object, fde_split, end_fde_sort): Likewise.
417         * unwind-dw2.c (_Unwind_GetGR, _Unwind_SetGR, execute_stack_op, 
418         execute_cfa_program, _Unwind_SetSpColumn, uw_update_context_1,
419         uw_init_context_1): Likewise.
420         * unwind.inc (_Unwind_RaiseException_Phase2, _Unwind_Resume,
421         _Unwind_Resume_or_Rethrow): Likewise.
422         * unwind-pe.h (__gxx_abort): Do not define.
423         (size_of_encoded_value, base_of_encoded_value,
424         read_encoded_value_with_base): Use gcc_unreachable.
425         * unwind.h (_Unwind_GetTextRelBase): Likewise.
426
427 2005-05-17  Daniel Jacobowitz  <dan@codesourcery.com>
428
429         * config/arm/lib1funcs.asm (cfi_pop, cfi_push, cfi_start)
430         (cfi_end): New macros.
431         (RETLDM): Use cfi_pop.  Expect an eight byte stack frame.
432         (ARM_LDIV0, THUMB_LDIV0, DIV_FUNC_END): Use CFI macros.  Create
433         an eight byte stack frame.
434         (__NR_tkill): Define.
435         (__div0): Use gettid tkill on GNU/Linux.
436         (_arm_return): Add CFI.
437         (Lchange_\register, .Lchange_lr): Create an eight byte stack frame.
438
439 2005-05-17  Daniel Jacobowitz  <dan@codesourcery.com>
440
441         * configure.ac: Remove spaces around assignment to
442         gcc_cv_ld_sysroot.
443         * configure: Regenerated.
444
445 2005-05-17  David Edelsohn  <edelsohn@gnu.org>
446
447         * config/rs6000/aix.h (TARGET_ALTIVEC_VRSAVE): Delete.
448         * config/rs6000/rs6000.c (rs6000_explicit_options): Add
449         aix_struct_ret.
450         (rs6000_override_options): Do not protect TARGET_ALTIVEC_VRSAVE.
451         Modify aix_struct_return variable, not target_flags.
452         (rs6000_handle_option): Do not protect TARGET_ALTIVEC_VRSAVE.
453         (rs6000_return_in_memory): Test aix_struct_return.
454         * config/rs6000/rs6000.opt (maix-struct-return): Convert to
455         independent variable.  Report mxl-compat.
456
457 2005-05-17  Bernd Schmidt  <bernd.schmidt@analog.com>
458
459         * config/bfin/bfin.md (eh_return): Add missing DONE.
460
461 2005-05-17  Ian Lance Taylor  <ian@airs.com>
462
463         * read-rtl.c (struct macro_traverse_data): Add unknown_mode_attr
464         field.
465         (mode_attr_index): Remove check for defined attribute.  Remove
466         infile parameter.  Change all callers.
467         (apply_mode_maps): Add unknown parameter.  Change caller.  Always
468         return after finding attribute.
469         (apply_macro_to_rtx): Add unknown_mode_attr parameter.  Change
470         callers.
471         (apply_macro_traverse): Set mtd->unknown_mode_attr.
472         (read_rtx): Use mtd.unknown_mode_attr to check for an undefined
473         attribute used for a mode.
474
475 2005-05-17  Paolo Bonzini  <bonzini@gnu.org>
476
477         * tree-ssa-math-opts.c: New file.
478
479 2005-05-17  Paolo Bonzini  <bonzini@gnu.org>
480
481         * Makefile.in: Add tree-ssa-math-opts.c.
482         * expr.c (expand_expr_real_1) <case RDIV_EXPR>: Never emit as a*(1/b).
483         * fold-const.c (distribute_real_division): New.
484         (fold_binary) <case PLUS_EXPR, case MINUS_EXPR>: Use it.
485         * tree-pass.h (pass_cse_reciprocals): New.
486         * tree-optimize.c (init_tree_optimization_passes): Run it.
487         * doc/passes.texi: Document the new pass.
488
489 2005-05-17  Richard Guenther  <rguenth@gcc.gnu.org>
490
491         PR middle-end/21595
492         * builtins.c (fold_builtin_constant_p): Handle
493         &"string cst"[0] as constant.
494
495 2005-05-17  Richard Henderson  <rth@redhat.com>
496
497         * config/i386/sse.md (mulv16qi3, mulv2di3): New.
498
499 2005-05-17  Jakub Jelinek  <jakub@redhat.com>
500
501         PR middle-end/21492
502         * cfgcleanup.c (try_crossjump_to_edge): update_forwarder_flag for
503         src2 if src2 has been split.
504
505         PR tree-optimization/21610
506         * c-typeck.c (decl_constant_value_for_broken_optimization): If not
507         returning DECL, call unshare_expr.
508
509 2005-05-17  Hans-Peter Nilsson  <hp@axis.com>
510
511         * config/cris/cris.md: Unquote preparation and output statements.
512         (BWD, WD, BW): New, mode-macros.
513         (S, s, m, mm, nbitsm1): New, mode-attrs.
514         (szext, shift, shiftrt, ncond, ocond, rcond): New, code-macros.
515         (u, su, shlr, slr, ncond, ocond, rcond, rCC, oCC, roCC): New,
516         code-attrs.
517         ("tst<mode>"): Replace "tstqi", "tsthi" and "tstsi".
518         ("*cmp_ext<mode>"): Replace "*cmp_extsi" and "*cmp_exthi".
519         ("*cmp_swapext<mode>"): Replace "*cmp_swapextqi" and
520         "*cmp_swapexthi".
521         ("cmp<mode>"): Replace "cmphi" and "cmpqi".
522         ("movdi"): Move misplaced head comment regarding necessity of
523         movdi from movsi to here.
524         ("*mov_side<mode>_biap"): Replace "*mov_sideqi_biap" and
525         "*mov_sidehi_biap".
526         ("*mov_side<mode>"): Replace "*mov_sideqi" and "*mov_sidehi".
527         ("*mov_side<mode>_biap_mem", "*mov_sidehi_biap_mem"): Replace
528         "*mov_sideqi_biap_mem".
529         ("*mov_side<mode>_mem"): Replace "*mov_sideqi_mem" and
530         "*mov_sidehi_mem".
531         ("*clear_side<mode>_biap"): Replace "*clear_sidesi_biap",
532         "*clear_sidehi_biap" and "*clear_sideqi_biap".
533         ("*clear_side<mode>"): Replace "*clear_sidesi", "*clear_sidehi"
534         and "*clear_sideqi".
535         ("*ext_side<mode>si_biap"): Replace "*ext_sideqisi_biap" and
536         "*ext_sidehisi_biap".
537         ("*ext_side<mode>si"): Replace "*ext_sideqisi" and
538         "*ext_sidehisi".
539         ("reload_in<mode>"): Replace "reload_inhi" and "reload_inqi".
540         ("reload_out<mode>"): Replace "reload_outhi" and "reload_outqi".
541         ("extend<mode>di2"): Replace "extendhidi2" and "extendqidi2".
542         ("extend<mode>si2"): Replace "extendhisi2" and "extendqisi2".
543         ("zero_extend<mode>si2"): Replace "zero_extendhisi2" and
544         "zero_extendqisi2".
545         ("*op_side<mode>_biap"): Replace "*op_sideqi_biap",
546         "*op_sidehi_biap" and "*op_sidesi_biap".
547         ("*op_side<mode>"): Replace "*op_sideqi", "*op_sidehi" and
548         "*op_sidesi".
549         ("*op_swap_side<mode>_biap"): Replace "*op_swap_sideqi_biap",
550         "*op_swap_sidehi_biap" and "*op_swap_sidesi_biap".
551         ("*op_swap_side<mode>"): Replace "*op_swap_sideqi",
552         "*op_swap_sidehi" and "*op_swap_sidesi".
553         ("sub<mode>3"): Replace "subhi3" and "subqi3", correcting a typo
554         in the N alternative of "subqi3".
555         ("*extop<mode>si_side_biap"): Replace "*extopqisi_side_biap" and
556         "*extophisi_side_biap".
557         ("*extop<mode>si_side"): Replace "*extopqisi_side" and
558         "*extophisi_side".
559         ("*extop<mode>si_swap_side_biap"): Replace
560         "*extopqisi_swap_side_biap" and "*extophisi_swap_side_biap".
561         ("*extop<mode>si_swap_side"): Replace "*extopqisi_swap_side" and
562         "*extophisi_swap_side".
563         ("*extop<mode>si"): Replace "*extopqisi" and "*extophisi".
564         ("*extop<mode>si_swap"): Replace "*extopqisi_swap" and
565         "*extophisi_swap".
566         ("<u>mul<s><mode>3"): Replace "umulhisi3", "umulqihi3",
567         "mulqihi3", "mulhisi3" and "mulhisi3".
568         ("<u>mulsidi3"): Replace "mulsidi3" and "umulsidi3".
569         ("<su>mulsi3_highpart"): Replace "smulsi3_highpart" and
570         "umulsi3_highpart".
571         ("xor<mode>3"): Replace "xorhi3" and "xorqi3".
572         ("neg<mode>2"): Replace "negsi2", "neghi2" and "negqi2".
573         ("one_cmpl<mode>2"): Replace "one_cmplhi2" and "one_cmplqi2".
574         ("<shlr>si3"): Replace "ashrsi3", "lshrsi3" and "ashlsi3".
575         ("ashr<mode>3"): Replace "ashrhi3" and "ashrqi3".
576         ("*expanded_<shlr><mode>"): Replace "*expanded_ashrhi",
577         "*expanded_ashrqi", "*expanded_lshrhi" and "*expanded_lshrqi".
578         ("*<shlr><mode>_lowpart"): Replace "*ashrhi_lowpart",
579         "*ashrqi_lowpart", "*lshrhi_lowpart" and "*lshrqi_lowpart".
580         ("lshr<mode>3"): Replace "lshrhi3" and "lshrqi3".
581         ("ashl<mode>3"): Replace "ashlhi3" and "ashlqi3".
582         ("*ashl<mode>_lowpart"): Replace "*ashlqi_lowpart" and
583         "*ashlhi_lowpart".
584         ("abs<mode>2"): Replace "abshi2" and "absqi2".
585         ("b<ncond>"): Replace "beq", "bne", "bgtu", "bltu", "bgeu" and
586         "bleu".
587         ("b<ocond>"): Replace "bgt" and "ble".
588         ("b<rcond>"): Replace "blt" and "bge".
589         ("*b<ncond>_reversed"): Replace "*beq_reversed", "*bne_reversed",
590         "*bgtu_reversed", "*bltu_reversed", "*bgeu_reversed" and
591         "*bleu_reversed".
592         ("*b<ocond>_reversed"): Replace "*bgt_reversed" and
593         "*ble_reversed".
594         ("*b<rcond>_reversed"): Replace "*blt_reversed" and
595         "*blt_reversed".
596         ("s<ncond>"): Replace "sgeu", "sltu", "seq", "sgtu", "sleu" and
597         "sne".
598         ("s<rcond>"): Replace "sge" and "slt".
599         ("s<ocond>"): Replace "sgt" and "sle".
600         ("clear.[bwd] [rx=rx+rz.S2]"): Replace split clear.d
601         [rx=rx+rz.S2], clear.w [rx=rx+rz.S2] and clear.b [rx=rx+rz.S2].
602         ("clear.[bwd] [rx=rx+i]"): Replace splits clear.d [rx=rx+i],
603         clear.w [rx=rx+i] and clear.b [rx=rx+i].
604
605 2005-05-17  Jakub Jelinek  <jakub@redhat.com>
606
607         * varasm.c (struct constant_descriptor_tree): Add hash field.
608         (const_desc_hash): Just return hash field.
609         (const_desc_eq): If hash values are different, return 0 immediately.
610         (output_constant_def): Compute hash field of temporary key, use
611         htab_find_slot_with_hash instead of htab_find_slot.  Set hash in
612         newly built constant descriptor.
613         (lookup_constant_def): Compute hash field of temporary key, use
614         htab_find_with_hash instead of htab_find.
615
616 2005-05-16  Richard Henderson  <rth@redhat.com>
617
618         * config/i386/sse.md (mulv4si3): New.
619
620 2005-05-17  Hans-Peter Nilsson  <hp@axis.com>
621
622         * config/cris/cris.h (EXTRA_CONSTRAINT_T): Remove FIXME and
623         tests for noncanonical versions of reg+constant and
624         reg+reg*{1,2,4}.
625
626 2005-05-16  Richard Henderson  <rth@redhat.com>
627             Steven Bosscher <stevenb@suse.de>
628
629         PR tree-opt/21399
630         * tree-eh.c (maybe_clean_or_replace_eh_stmt): Rename from 
631         maybe_clean_eh_stmt; take old stmt parameter.  Update EH
632         region data structure to match replacement.
633         * tree-flow.h: Update to match.
634         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
635         * tree-ssa-dom.c (optimize_stmt): Likewise.
636         * tree-ssa-pre.c (eliminate): Likewise.
637         * tree-ssa-propagate.c (substitute_and_fold): Likewise.
638
639 2005-05-16  Caroline Tice  <ctice@apple.com>
640
641         * bb-reorder.c (verify_hot_cold_block_grouping):  Replace
642         internal_error with gcc_assert.
643         * dwarf2out.c (dwarf2out_switch_text_section):  Likewise.
644         * function.h (struct function): Remove space between "*" and
645         struct field names.
646         * varasm.c (initialize_cold_section_name):   Add gcc_assert;
647         modify to use alloca.
648         (unlikely_text_section): Add check for flag_function_sections.
649         (assemble_start_function):  Move call to resolve_section, so it
650         comes before first call to unlikely_text_section.
651         (assemble_end_function):  Add test and call to function_section
652         if appropriate.
653         
654 2005-05-16  Roger Sayle  <roger@eyesopen.com>
655
656         * c-common.c (c_common_truthvalue_conversion): Use fold_build2
657         instead of build_binary_op when performing code transformations
658         to avoid error messages about constructs not it the user's code.
659
660 2005-05-16  Kazu Hirata  <kazu@cs.umass.edu>
661
662         * tree-ssa-pre.c: Fix a comment typo.
663
664 2005-05-16  Richard Henderson  <rth@redhat.com>
665
666         PR target/21556
667         * config/ia64/ia64.md (load_dtpmod, load_ltoff_dtpmod, load_dtprel,
668         load_dtprel64, load_dtprel22, load_dtprel_gd, load_ltoff_dtprel,
669         add_dtprel, add_dtprel14, add_dtprel22, load_tprel, load_tprel64,
670         load_tprel22, load_tprel_ie, load_ltoff_tprel, add_tprel, add_tprel14,
671         add_tprel22): Remove mode from symbolic operand.
672
673 2005-05-16  Richard Sandiford  <rsandifo@redhat.com>
674
675         * optc-gen.awk: Include intl.h after the externally-provided files.
676
677 2005-05-16  Kazu Hirata  <kazu@cs.umass.edu>
678
679         * tree-ssa-copy.c (copy_prop_visit_assignment): Clean up by
680         folding a COND_EXPR_COND in a nondestructive manner.
681
682 2005-05-16  Fariborz Jahanian <fjahanian@apple.com>
683
684         * config/rs6000/altivec.md (altivec_vmrghb, altivec_vmrghh, 
685         altivec_vmrghw, altivec_vmrglb, altivec_vmrglh, altivec_vmrglw):
686         New values for vec_select definitions and bitmask for element
687         selection.
688          
689 2005-05-16  Kazu Hirata  <kazu@cs.umass.edu>
690
691         * dwarf2out.c (used_rtx_varray): Rename to used_rtx_array.
692         Change the type to VEC(rtx,gc)*.
693         (mem_loc_descriptor, add_const_value_attributes,
694         dwarf2out_init): Adjust uses of used_rtx_varray.
695
696         * tree-data-ref.c (compute_all_dependences): Change the type
697         of dependence_relations to VEC(ddr_p,heap)**.
698         (compute_data_dependences_for_loop): Change the type of
699         allrelations to VEC(ddr_p,heap)*.
700
701 2005-05-16  Richard Sandiford  <rsandifo@redhat.com>
702
703         * Makefile.in (options.c): Tell optc-gen.awk to include config.h,
704         system.h, coretypes.h and tm.h.
705         (options.o): Update dependencies accordingly.
706         * optc-gen.awk: Allow header_name to be a list of filenames.
707         Handle the "Condition" flag.
708         * opts.h (CL_DISABLED): New flag.
709         * opts.c (handle_option): Print an error for CL_DISABLED options.
710         * doc/options.texi: Document the "Condition" option flag.
711
712 2005-05-16  Paolo Bonzini  <bonzini@gnu.org>
713
714         * tree-inline.c (estimate_num_insns_1): Handle VEC_COND_EXPR.
715
716 2005-05-15  Roger Sayle  <roger@eyesopen.com>
717
718         * tree-scalar-evolution.c (set_nb_iterations_in_loop): Only
719         check for TREE_OVERFLOW on INTEGER_CST trees.
720         * tree-chrec.c (chrec_convert): Only clear TREE_OVERFLOW on
721         CONSTANT_CLASS_P tree nodes.
722
723 2005-05-15  H.J. Lu  <hongjiu.lu@intel.com>
724
725         PR target/21551
726         * config/ia64/ia64.c (ia64_expand_move): Don't add addend twice.
727
728 2005-05-15  Daniel Berlin  <dberlin@dberlin.org>
729             
730         Fix PR tree-optimization/21576
731         
732         * tree-ssa-pre.c (expression_node_pool): New pool.
733         (comparison_node_pool): Ditto.
734         (list_node_pool): Ditto.
735         (pool_copy_list): New function.
736         (phi_translate): Handle CALL_EXPR.
737         (valid_in_set): Ditto.
738         (create_expression_by_pieces): Ditto.
739         (insert_into_preds_of_block): Ditto.
740         (insert_aux): Ditto.
741         (compute_avail): Ditto.
742         (create_value_expr_from): Handle TREE_LIST and CALL_EXPR.
743         (can_value_number_call): New function.
744         (find_leader): Update comment.
745         (init_pre): Create new pools.
746         (fini_pre): Free new pools.
747         (pass_pre): Add TODO_update_ssa for the future when we are going
748         to need vops.
749         * tree-vn.c (expressions_equal_p): Handle TREE_LIST.
750         (set_value_handle): Ditto.
751         (get_value_handle): Ditto.
752
753 2005-05-15  Richard Earnshaw  <richard.earnshaw@arm.com>
754
755         * arm.c (thumb_unexpanded_epilogue): Delete unused variable 'mode'.
756
757 2005-05-15  Andreas Jaeger  <aj@suse.de>
758
759         * gcc.c (pfatal_pexecute): Remove unused local function.
760
761 2005-05-15  Richard Sandiford  <rsandifo@redhat.com>
762
763         * optc-gen.awk: Remove excess indentation.
764         * opth-gen.awk: Likewise.
765
766 2005-05-14  Kaz Kojima  <kkojima@gcc.gnu.org>
767
768         * config/sh/sh.c (sh_output_mi_thunk): Check cfun->cfg instead
769         of basic_block_info.  Call init_flow and find_basic_blocks
770         before dbr_schedule if needed.
771
772 2005-05-14  Kazu Hirata  <kazu@cs.umass.edu>
773
774         * tree-optimize.c (init_tree_optimization_passes): Move
775         pass_cd_dce in place of the last pass_dce.
776
777         PR tree-optimization/21563
778         * tree-vrp.c (compare_value): Return boolean_false_node when
779         SSA_NAME in "if (SSA_NAME == CST)" is strictly smaller than or
780         strictly larger than CST.
781
782 2005-05-14  Nathan Sidwell  <nathan@codesourcery.com>
783             Jan-Benedict Glaw  <jbglaw@lug-owl.de>
784
785         * config/vax/vax.c: (print_operand_address) Use gcc_unreachable() and
786         gcc_assert().
787         (rev_cond_name) Likewise.
788         (vax_float_literal) Likewise.
789         * config/vax/vax.md: Likewise.
790
791 2005-05-14  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
792
793         * config/vax/vax.md: define_constant VAXens AP, FP, SP and PC
794         registers and use them (specifically the stack pointer).
795         * config/vax/vax.h: Use above defines right here.
796
797         * config/vax/vax.c: (override_options) Remove 'register' keyword.
798         (split_quadword_operands) Likewise. (rev_cond_name) Likewise.
799         (vax_float_literal) Likewise. (vax_rtx_costs) Remove trailing
800         whitespace.
801         * config/vax/vax.h: Remove 'register' keyword. Misc. whitespace fixes,
802         mostly removal of trailing spaces...
803         * config/vax/vax-modes.def: Remove trailing whitespace.
804
805         * config/vax/elf.h: Update whitespace.
806
807 2005-05-14  Richard Guenther  <rguenth@gcc.gnu.org>
808
809         Revert
810         2005-05-11  Richard Guenther  <rguenth@gcc.gnu.org>
811         * fold-const.c (fold_indirect_ref_1): Avoid removing
812         NOP_EXPRs with type qualifiers like const.
813
814 2005-05-14  Jan Hubicka  <jh@suse.cz>
815
816         Patch by Richard Henderson:
817         * tree-eh.c (tree_can_throw_internal, tree_can_throw_external):
818         Handle RESX expressions properly.
819
820         * tree-eh.c (record_stmt_eh_region): Use add_stmt_to_eh_region.
821         (add_stmt_to_eh_region_fn): Nest into CALL_EXPR.
822         (remove_stmt_from_eh_region_fn): Likewise.
823
824         * tree-cfg.c (execute_warn_function_return): Break out noreturn
825         warning too..
826         (execute_warn_function_noreturn): ... here.
827         (pass_warn_function_noreturn): New pass.
828         * tree-pass.h (pass_warn_function_noreturn): Declare
829         * tree-optimize.c (init_tree_optimization_passes): Move return
830         warnings early and add noreturn warnings at place of previous
831         return warnings.
832
833 2005-05-14  Kazu Hirata  <kazu@cs.umass.edu>
834
835         * tree-ssa-live.c (tpa_init, tpa_delete, tpa_compact,
836         root_var_init, type_var_init): Use VEC instead of VARRAY.
837         * tree-ssa-live.h (tree_partition_associator_d): Change the
838         type of trees to VEC(tree,heap)*.
839         (tpa_tree): Use VEC instead of VARRAY.
840
841 2005-05-14  Richard Guenther  <rguenth@gcc.gnu.org>
842
843         * fold-const.c (div_if_zero_remainder): New function.
844         (try_move_mult_to_index): Use it.
845
846 2005-05-14  Kazu Hirata  <kazu@cs.umass.edu>
847
848         * tree-eh.c (leh_tf_state): Change the type of dest_array to
849         VEC(tree,heap)*.
850         (maybe_record_in_goto_queue, lower_try_finally_onedest,
851         lower_try_finally_copy, lower_try_finally_switch,
852         lower_try_finally): Use VEC instead of VARRAY.
853
854 2005-05-14  Hans-Peter Nilsson  <hp@axis.com>
855
856         * config/cris/cris.h (Node: Register Classes): Remove obsoleted
857         comment regarding defined register classes.
858         (LEGITIMIZE_RELOAD_ADDRESS): Do not define.
859
860 2005-05-14  Kazu Hirata  <kazu@cs.umass.edu>
861
862         * tree-optimize.c (init_tree_optimization_passes): Move
863         pass_merge_phi before the first pass_dominator.
864
865 2005-05-13  Richard Earnshaw  <richard.earnshaw@arm.com>
866
867         * arm.h (INITIALIZE_TRAMPOLINE): Make the call to __clear_cache
868         unconditional.
869
870 2005-05-13  Josh Conner  <jconner@apple.com>
871
872         * config/arm/arm.c (arm_size_return_regs): New.
873         (thumb_unexpanded_epilogue): replace in-line calculation
874         of return registers with call to arm_size_return_regs.
875         (use_return_insn): Include test of which registers are
876         being used to hold return values, to accommodate
877         vector return values.
878
879 2005-05-11  Aldy Hernandez  <aldyh@redhat.com>
880
881         * config/rs6000/sysv4.opt (mlittle): Handle.
882
883         * config/rs6000/rs6000.c (rs6000_handle_option): Set
884         target_flags_explicit when appropriate.
885
886 2005-05-13  J"orn Rennecke <joern.rennecke@st.com>
887
888         PR middle-end/20714:
889         * optabs.c (no_conflict_data): New struct.
890         (no_conflict_move_test): New function.
891         (emit_no_conflict_block): Use it.
892
893 2005-05-13  Adam Nemet  <anemet@lnxw.com>
894
895         * doc/invoke.texi (Debugging Options): Option
896         -fdump-translation-unit only works with C++ now.
897
898 2005-05-13  Hans-Peter Nilsson  <hp@axis.com>
899
900         Replace calls to abort in CRIS port.
901         * config/cris/cris.h (CRIS_ASSERT): New macro.
902         * config/cris/cris.md ("*movsi_internal"): Use CRIS_ASSERT and
903         internal_error instead of abort.
904         ("movsi"): Ditto.  Unquote preparation statement section.
905         ("call", "call_value"): Ditto, but use gcc_assert where
906         appropriate.  Tweak comments.
907         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Define in terms of
908         CRIS_ASSERT.
909         (cris_op_str): Call internal_error, not abort.
910         (cris_print_operand): Tweak "abort" reference to "die" in comment.
911         (cris_initial_elimination_offset): Call gcc_unreachable, not abort.
912         (cris_notice_update_cc): Call internal_error, not abort.
913         (cris_expand_return, cris_expand_prologue, cris_gen_movem_load)
914         (cris_emit_movem_store, cris_asm_output_symbol_ref)
915         (cris_output_addr_const_extra): Use CRIS_ASSERT, don't call abort.
916         (cris_symbol, cris_got_symbol): Use CRIS_ASSERT instead of
917         ENABLE_CHECKING-guarded abort call.
918         (cris_split_movdx): Use CRIS_ASSERT instead of abort with test.
919         Use internal_error at end of test-chain.
920
921 2005-05-13  J"orn Rennecke <joern.rennecke@st.com>
922
923         PR rtl-optimization/20769:
924         * bt-load.c (compute_defs_uses_and_gen): Check for the blockage
925         pattern emitted by expand_nl_goto_receiver.
926
927         PR middle-end/20793:
928         * integrate.c (allocate_initial_values): Update register liveness
929         information.
930
931 2005-05-13  Josh Conner  <jconner@apple.com>
932
933         * arm.c (arm_return_in_memory): Add handling for vector return types.
934
935 2005-05-13  David Ung  <davidu@mips.com>
936
937         * config/mips/mips.h (processor_type): Add new PROCESSOR_4KP
938         name.
939         * config/mips/mips.c: Add 4km alias.
940         * config/mips/mips.md: Add 4kp to cpu attrib and include 4k.md.
941         * config/mips/4k.md: New file, add 4Kc/4Kp DFA pipeline
942         description.
943
944 2005-05-13  Jan Hubicka  <jh@suse.cz>
945
946         * c-decl.c (finish_function): Suppress "control reaches end of
947         non-void function" when "no return statement in function
948         returning non-void" is issued.
949
950         * tree-inline.c (copy_body_r): Simplify substituted ADDR_EXPRs.
951         * tree-optimize.c (pass_gimple): Kill.
952         (init_tree_optimization_passes): Kill pass_gimple.
953         * tree-cfg.c (build_tree_cfg): Do verify_stmts to check that we are gimple.
954         * tree-dump.c (dump_files): Rename .generic to .gimple.*
955
956 2005-05-13  J"orn Rennecke <joern.rennecke@st.com>
957
958         PR rtl-optimization/20756:
959         * basic-block.h (PROP_DEAD_INSN): Define.
960         * flow.c (propagate_one_insn): Set during mark_set_regs call
961         for a dead insn.
962         (mark_set_1): Emit a clobber when we are about to delete a dead insn
963         that kills a live register.
964
965 2005-05-13  Adrian Straetling  <straetling@de.ibm.com>
966
967         * config/s390/s390.md: ("DBL"): New mode attribute.
968         ("*movmem_long_64", "*movmem_long_31"): Merge to "*movmem_long".
969         ("*clrmem_long_64", "*clrmem_long_31"): Merge to "*clrmem_long".
970         ("*cmpmem_long_64", "*cmpmem_long_31"): Merge to "*cmpmem_long".
971
972 2005-05-13  Richard Guenther  <rguenth@gcc.gnu.org>
973
974         * c-format.c (check_format_arg): Handle string literals of
975         the form &"string"[offset].
976
977         * g++.dg/warn/format4.C: New testcase.
978
979 2005-05-13  Kazu Hirata  <kazu@cs.umass.edu>
980
981         * config/mips/3000.md, config/mips/4000.md,
982         config/mips/4100.md, config/mips/4300.md, config/mips/4600.md,
983         config/mips/5000.md, config/mips/7000.md, config/mips/9000.md,
984         config/mips/generic.md, config/pdp11/pdp11.md,
985         config/sh/crt1.asm, config/sh/lib1funcs.asm,
986         config/sh/sh-modes.def, config/sh/sh-protos.h,
987         config/sh/shmedia.md, config/sh/ushmedia.h: Update copyright.
988
989 2005-05-13  Richard Henderson  <rth@redhat.com>
990
991         * function.c (instantiate_virtual_regs_in_insn): Do not simplify
992         addition to move unless dest is a register.  Do not skip
993         instantiation in dest on addition simplification.
994
995 2005-05-13  Hans-Peter Nilsson  <hp@axis.com>
996
997         * config/cris/cris.c (cris_print_operand) <case 'H'; case
998         CONST_INT>: Use operand_subword and HOST_WIDE_INT_PRINT_DEC for
999         output; don't have special case for HOST_BITS_PER_WIDE_INT == 32.
1000
1001 2005-05-13  Jan Hubicka  <jh@suse.cz>
1002
1003         * basic-block.h (FOR_ALL_BB_FN): New macro.
1004         (init_flow): Initialize cfg structure.
1005         * function.c (allocate_struct_function): Do not initialize cfg structure.
1006         * tree-cfg.c (init_empty_tree_cfg): Break out from ...
1007         (build_tree_cfg): ... here.
1008         * tree-flow.h (init_empty_tree_cfg): Declare.
1009
1010 2005-05-12  Steven Bosscher <stevenb@suse.de>
1011
1012         Fix PR tree-optimization/21520
1013         * tree-ssa-pre.c (phi_translate): Use fully_constant_expression
1014         to attempt to fold constants.
1015
1016 2005-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
1017
1018         * config/sh/sh.c: Declare the prototype of sh_adjust_unroll_max
1019         only when TARGET_ADJUST_UNROLL_MAX is defined.
1020         (general_movsrc_operand): Use the C style comment.
1021         (ua_offset): Use prototype.
1022
1023 2005-05-12  Zdenek Dvorak  <dvorakz@suse.cz>
1024
1025         * tree-ssa-loop-im.c (struct mem_ref): Add field "next".
1026         (struct hmr_data, hoist_memory_reference, memref_del,
1027         struct fmrv_data): Removed.
1028         (hoist_memory_references, free_mem_ref, free_mem_refs): New functions.
1029         (gather_mem_refs, gather_mem_refs_stmt): Add new references to the
1030         list.
1031         (find_more_ref_vops): Traverse the list of memory references.
1032         (determine_lsm_loop): Work with the list of memory references instead
1033         of traversing the hashtable.
1034
1035 2005-05-12  Steven Bosscher  <stevenb@suse.de>
1036             Stuart Hastings <stuart@apple.com>
1037             Jan Hubicka  <jh@suse.cz>
1038
1039         * except.c  (duplicate_eh_region_1, duplicate_eh_region_2,
1040         duplicate_eh_regions): New functions, based on old
1041         implementation removed with RTL inliner.
1042         (reachable_next_level): Modify behaviour pre-inline.
1043         * except.h (duplicate_eh_regions_map, duplicate_eh_regions):
1044         Declare.
1045         * function.h (struct function): Add after_inlining flag.
1046         * tree-optimize.c (tree_rest_of_compilation): Set it.
1047         * tree-eh.c (add_stmt_to_eh_region_fn): Initialize hashtable
1048         when needed.
1049         * tree-cfg.c (label_to_block_fn): Deal with cases where
1050         label was never insterted into code.
1051
1052 2005-05-12  Zack Weinberg  <zack@codesourcery.com>
1053
1054         * doc/cpp.texi: Document that #sccs is a synonym for #ident.
1055
1056 2005-05-12  Daniel Berlin  <dberlin@dberlin.org>
1057
1058         Fix PR tree-optimization/21532
1059         * tree-ssa-pre.c (create_expression_by_pieces): stmt
1060         needs to go onto the inserted_exprs list.
1061
1062 2005-05-12  Ian Lance Taylor  <ian@airs.com>
1063
1064         * c-common.h (statement_code_p): Don't declare.
1065         (STATEMENT_CODE_P): Don't define.
1066         (INIT_STATEMENT_CODES): Don't define.
1067         * c-common.c (statement_code_p): Don't define.
1068
1069 2005-05-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
1070
1071         * config/sparc/sparc.h: Remove dead code.
1072         * config/sparc/sparc.c (sparc_compute_frame_size): Use
1073         FIRST_PARM_OFFSET for the size of the register window area.
1074         (emit_save_regs): Rename into emit_save_or_restore_regs.
1075         Add 'action' parameter.  Use 4095 as upper bound for the offset.
1076         Pass 'action' to save_or_restore_regs.
1077         (emit_restore_regs): Delete.
1078         (sparc_expand_prologue): Call emit_save_or_restore_regs.
1079         (sparc_expand_epilogue): Likewise.
1080         * config/sparc/sparc.md (mode macro P): Move.
1081         (movdi_insn_sp32_v9, movdi_insn_sp32): Swap.
1082         (mov<V32:mode> expander): Move to the top of the V32 section.
1083         (movdf_insn_sp32_v9_no_fpu, movdf_insn_sp32_v9): Swap.
1084         (movtf_insn_sp64_hq, movtf_insn_sp64): Swap.
1085         (sibcall_epilogue): Move.
1086
1087 2005-05-12  Richard Earnshaw  <richard.earnshaw@arm.com>
1088
1089         PR target/21501
1090         * arm.c (arm_gen_constant): Sign-extend intermediate values when
1091         synthesizing a constant of the difference of two immediates.
1092
1093 2005-05-12  Richard Earnshaw  <richard.earnshaw@arm.com>
1094
1095         * arm/vfp.md (negsf2_vfp): Add alternative using integer registers.
1096         (negdf2_vfp): Likewise.  Convert to define_insn_and_split and split
1097         the alternatives using integer registers into the appropriate
1098         primitives.
1099
1100 2005-05-11 Kenneth Zadeck <zadeck@naturalbridge.com>
1101
1102         * bitmap.c (bitmap_elmt_to_freelist, bitmap_element_allocate,
1103         bitmap_elt_clear_from, bitmap_clear): Changed freelist structure.
1104         * bitmap.h: Fixed comments.
1105
1106 2005-05-11  Richard Henderson  <rth@redhat.com>
1107
1108         PR target/21412
1109         * config/ia64/ia64.c (TARGET_CANNOT_FORCE_CONST_MEM): New.
1110         (ia64_cannot_force_const_mem): New.
1111         (tls_symbolic_operand_type): New.
1112         (ia64_legitimate_constant_p): New.
1113         (ia64_expand_load_address): Return true on success.  Improve
1114         checks for when we should not split.
1115         (ia64_expand_tls_address): New addend operand.  Distribute it
1116         as appropriate to the tls_kind.  Delay referencing gp.
1117         (ia64_expand_move): Split symbolic addend as necessary.  Handle
1118         tls symbols with addends.
1119         * config/ia64/ia64-protos.h: Update.
1120         * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): False for r0,
1121         p0, f0, f1, and r13.
1122         (LEGITIMATE_CONSTANT_P): Move to ia64_legitimate_constant_p.
1123         * config/ia64/ia64.md (UNSPEC_DTPMOD): New.
1124         (symbolic_operand splitter): Pass everything through
1125         ia64_expand_load_address and FAIL or DONE as appropriate.
1126         (load_fptr): Only accept after reload.
1127         (load_fptr_internal1, gprel64_offset, load_gprel64, load_symptr_high,
1128         load_symptr_low, load_ltoff_dtpmod,
1129         (load_dtpmod): New.
1130         (load_dtprel): Only accept tls symbols.
1131         (load_dtprel64, load_dtprel22): Likewise.
1132         (load_tprel, load_tprel64, load_tprel22): Likewise.
1133         (load_dtprel_gd, load_ltoff_dtprel, load_tprel_ie): New.
1134         (add_dtprel): Only accept tls symbols.  Canonicalize PLUS.
1135         (add_dtprel14, add_dtprel22): Likewise.
1136         (add_tprel, add_tprel14, add_tprel22): Likewise.
1137         * config/ia64/predicates.md (small_addr_symbolic_operand): New.
1138         (any_offset_symbol_operand, aligned_offset_symbol_operand): New.
1139         (got_symbolic_operand): Check CONST offsets.
1140         (tls_symbolic_operand, ld_tls_symbolic_operand): New.
1141         (ie_tls_symbolic_operand, le_tls_symbolic_operand): New.
1142         (move_operand): Don't handle tls here.  Check CONST offsets.
1143
1144 2005-05-11  Richard Sandiford  <rsandifo@redhat.com>
1145
1146         * config/mips/7000.md (rm7_impy_si_mult): Just match imul and imadd.
1147         Remove hilo_operand check.
1148         (rm7_impy_si_mul): Just match imul3.  Remove hilo_operand check.
1149         * config/mips/predicates.md (hilo_operand): Delete.
1150
1151 2005-05-11  Richard Sandiford  <rsandifo@redhat.com>
1152
1153         * config/mips/sr71k.md, config/mips/7000.md: Reformat.
1154
1155 2005-05-11  Kazu Hirata  <kazu@cs.umass.edu>
1156
1157         PR tree-optimizer/18472
1158         * tree-if-conv.c (tree_if_convert_stmt,
1159         if_convertible_modify_expr_p): Don't handle GOTO_EXPR.
1160
1161 2005-05-11  Jan Hubicka  <jh@suse.cz>
1162
1163         * Makefile.in (tree-eh.o: Kill gt-tree-eh.h dependency.
1164         (GTFILES): add except.h.
1165         * except.c (eh_status): Add throw_stmt_table.
1166         (set_eh_throw_stmt_table, get_eh_throw_stmt_table): New functions.
1167         * except.h (add_stmt_to_eh_region_fn, remove_stmt_from_eh_region_fn,
1168         lookup_stmt_eh_region_fn): Declare.
1169         (throw_stmt_node): New structure.
1170         (set_eh_throw_stmt_table, get_eh_throw_stmt_table): New.
1171         * gengtype.c (open_base_files): Add except.h to inlines.
1172         * tree-eh.c (throw_stmt_node): Kill.
1173         (record_stmt_eh_region): Update.
1174         (add_stmt_to_eh_region_fn): Break out from ...
1175         (add_stmt_to_eh_region): ... here.
1176         (remove_stmt_from_eh_region_fn): Break out from ...
1177         (remove_stmt_from_eh_region): ... here.
1178         (lookup_stmt_eh_region_fn): Break out from ...
1179         (lookup_stmt_eh_region): ... here.
1180         (honor_protect_cleanup_actions): Use build_resx.
1181         (lower_try_finally_onedest): Likewise.
1182         (lower_try_finally_copy): Likewise.
1183         (lower_try_finally_switch): Likewise.
1184         (lower_eh_constructs): Update eh table construction.
1185         * tree.c (build_resx): New.
1186         * tree.h (build_resx): Declare.
1187
1188 2005-05-11  H.J. Lu  <hongjiu.lu@intel.com>
1189
1190         * libgcov.c (gcov_exit): Set prefix_length to 0 if no relocation
1191         is needed.
1192
1193 2005-05-11  Kazu Hirata  <kazu@cs.umass.edu>
1194
1195         * fold-const.c, libgcov.c: Fix comment typos.
1196
1197         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove
1198         redundant code.
1199
1200 2005-05-11  Daniel Jacobowitz  <dan@codesourcery.com>
1201
1202         * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1203         * config/arm/arm.h (SUBTARGET_FRAME_POINTER_REQUIRED): Provide
1204         default definition.
1205         (FRAME_POINTER_REQUIRED): Use SUBTARGET_FRAME_POINTER_REQUIRED.
1206
1207 2005-05-11  Nathan Sidwell  <nathan@codesourcery.com>
1208
1209         PR bootstrap/21481
1210         * crtstuff.c: Include auto-host.h again, for now.
1211
1212 2005-05-11  Richard Sandiford  <rsandifo@redhat.com>
1213
1214         * config/mips/24k.md: Remove trailing whitespace.
1215
1216 2005-05-11  David Ung  <davidu@mips.com>
1217
1218         * config/mips/mips.md (type): Add imul3.
1219         (length, hazard, may_clobber_hilo): Check for imul3.
1220         (mulsi3_mult3, muldi3_mult3, *muls, <su>mulsi3_highpart_mulhi_internal)
1221         (*<su>mulsi3_highpart_neg_mulhi_internal): Set attr to imul3.
1222         * config/mips/24k.md (r24k_int_mul3): Enable this reservation
1223         for a 3 operand mul and its bypasses.
1224         * config/mips/3000.md (r3k_imul): Add imul3 to reservations.
1225         * config/mips/4000.md (r4k_imul): Likewise.
1226         * config/mips/4100.md (r4100_imul_si, r4100_imul_di):  Likewise.
1227         * config/mips/4130.md (vr4130_class, vr4130_mulsi)
1228         (vr4130_muldi): Likewise.
1229         * config/mips/4300.md (r4300_imul_si, r4300_imul_di): Likewise.
1230         * config/mips/4600.md (r4600_imul, r4650_imul): Likewise.
1231         * config/mips/5000.md (r5k_imul_si, r5k_imul_di): Likewise.
1232         * config/mips/5400.md (ir_vr54_imul_si, ir_vr54_imul_di)
1233         (ir_vr54_imadd_si): Likewise.
1234         * config/mips/5500.md (ir_vr55_imul_si, ir_vr55_imul_di):  Likewise.
1235         * config/mips/7000.md (rm7_impy_si_mult, rm7_impy_si_mul)
1236         (rm7_impy_di): Likewise.
1237         * config/mips/9000.md (rm9k_mulsi, rm9k_muldi):  Likewise.
1238         * config/mips/generic.md (generic_imul): Likewise.
1239         * config/mips/sb1.md (ir_sb1_mulsi, ir_sb1_muldi): Likewise.
1240         * config/mips/sr71k.md (ir_sr70_imul_si, ir_sr70_imul_di):  Likewise.
1241
1242 2005-05-11  J"orn Rennecke <joern.rennecke@st.com>
1243
1244         PR middle-end/20371:
1245         * tree.h (record_layout_info_s): New member prev_packed.
1246         * stor-layout.c (update_alignment_for_field): Fix comment about
1247         KNOWN_ALIGN.  For MS bitfields, if we start a new run, make sure
1248         we start it properly aligned.
1249         (place_field): At the beginning of a record, pass 0 as KNOWN_ALIGN
1250         to update_alignment_for_field, and recompute it afterwards using
1251         the alignment of the record.
1252         When a packed bitfield precedes an MS bitfield, don't add padding
1253         at the end of the packed bitfield on behalf of the base type of
1254         the packed bit field.
1255         Don't adjust rli->bitpos at the end
1256         of an MS bitfield run if we already adjusted bitpos/offset for an
1257         alignment as large or larger than the bitfield type size.
1258         Take possible record alignment > BIGGEST_ALIGNMENT into account
1259         when calculating actual_align.
1260         Only put packed buit fields into rli->prev_field if they end up
1261         suitably aligned.
1262         Also set rli->remaining_in_alignment when we re-set rli->prev_field.
1263         Update rli->remaining_in_alignment when we have already started a
1264         run of bit fields and we process a packed bit field.
1265
1266 2005-05-11  Sebastian Pop  <pop@cri.ensmp.fr>
1267
1268         * tree-data-ref.c (find_data_references_in_loop): Give up when
1269         the body of the loop contains a CALL_EXPR or an ASM_EXPR: they
1270         may embed arbitrary side effects.
1271         Remove the assumption that GIMPLE form contains a single array
1272         access per statement.
1273         When the statement contains virtual operands, fail if it is not
1274         a MODIFY_EXPR or a CALL_EXPR.
1275         Return after the dont know node is inserted.
1276
1277 2005-05-11  Richard Earnshaw  <richard.earnshaw@arm.com>
1278
1279         * arm.md (negsf2, negdf2): Permit these expands when compiling for VFP.
1280
1281 2005-05-11  Richard Guenther  <rguenth@gcc.gnu.org>
1282
1283         PR middle-end/19807
1284         PR tree-optimization/19639
1285         * fold-const.c (try_move_mult_to_index): Handle INTEGER_CST
1286         and generic summands for char* as s * delta, too, folding &a[i]
1287         CODE x to &a[i CODE x/s].  Use tree_int_cst_equal
1288         for comparison of steps.  Convert types for index addition.
1289         (fold_binary): Adjust the callers to always dispatch to
1290         try_move_mult_to_index.
1291         * tree-ssa-propagate.c (set_rhs): Avoid setting rhs to
1292         expr with non-gimple ARRAY_REF offset.
1293
1294 2005-05-11  Richard Guenther  <rguenth@gcc.gnu.org>
1295
1296         * fold-const.c (fold_indirect_ref_1): Avoid removing
1297         NOP_EXPRs with type qualifiers like const.
1298
1299 2005-05-11  Richard Henderson  <rth@redhat.com>
1300
1301         PR c/21502
1302         * c-decl.c (finish_decl): Propagate the completed array type of
1303         a global variable into the binding.
1304
1305 2005-05-10  Matt Kraai  <kraai@ftbfs.org>
1306
1307         * Makefile.in (gtype-desc.o, build/genautomata.o)
1308         (build/varray.o): Depend on $(VARRAY_H).
1309
1310 2005-05-10  Diego Novillo  <dnovillo@redhat.com>
1311
1312         * tree-optimize.c (init_tree_optimization_passes): Re-organize
1313         optimization passes to do an initial batch of scalar cleanups.
1314
1315 2005-05-10  Ian Lance Taylor  <ian@airs.com>
1316
1317         * read-rtl.c (struct macro_traverse_data): Define.
1318         (map_attr_string): New static function, broken out of
1319         apply_macro_to_string.
1320         (mode_attr_index, apply_mode_maps): New static functions.
1321         (apply_macro_to_string): Call map_attr_string.
1322         (apply_macro_to_rtx): Add mode_maps and infile parameters.  Change
1323         all callers.
1324         (apply_macro_traverse): Expect data to point to a struct
1325         macro_traverse_data.
1326         (read_rtx): Add mode_maps local variable.  Use mode_traverse_data
1327         to pass data through htab_traverse.
1328         (read_rtx_1): Add mode_maps parameter.  Change all callers.
1329         Handle mode names which are attribute strings.
1330         * doc/md.texi (Substitutions): Rename from String Substitutions.
1331         Change references.  Document using attributes as modes.
1332
1333 2005-05-10  Zdenek Dvorak  <dvorakz@suse.cz>
1334
1335         * tree-cfg.c (tree_duplicate_sese_region): Update profile.
1336         * tree-optimize.c (init_tree_optimization_passes) Swap
1337         pass_ch and pass_profile.
1338         * tree-ssa-loop-ch.c (copy_loop_headers): Do not update profile
1339         here.  Remove rewrite_into_loop_closed_ssa call.
1340
1341 2005-05-10  Adrian Straetling  <straetling@de.ibm.com>
1342
1343         * config/s390/s390.c: (s390_const_double_ok_for_constraint_p): New
1344         function.
1345         (legitimate_reload_constant_p): Add check for const double zero.
1346         * config/s390/s390.md: Add comment for constraint letter 'G'.
1347         ("*movdf_64", "*movdf_31", "movsf"): Add constraint and proper
1348         attributes for new case.
1349         * config/s390/s390.h: (CONST_DOUBLE_OK_FOR_CONSTRAINT_P): Define it as
1350         s390_const_double_ok_for_constraint_p.
1351         * config/s390/s390-protos.h (s390_const_double_ok_for_constraint_p):
1352         Add prototype.
1353
1354 2005-05-10  Kazu Hirata  <kazu@cs.umass.edu>
1355
1356         PR tree-optimization/21170
1357         * tree-ssa-dom.c, tree-ssa-threadupdate.c: Replace
1358         rewrite_ssa_into_ssa in comments with update_ssa.
1359
1360 2005-05-10  Zdenek Dvorak  <dvorakz@suse.cz>
1361
1362         * tree-ssa-loop-im.c: Include hashtab.h.
1363         (struct mem_ref_loc): New.
1364         (struct mem_ref): Describe the set of references with the same
1365         shape.
1366         (max_stmt_uid, get_stmt_uid, record_mem_ref, free_mem_refs,
1367         maybe_queue_var, fem_single_reachable_address,
1368         for_each_memref, single_reachable_address,
1369         is_call_clobbered_ref, determine_lsm_reg): Removed.
1370         (record_mem_ref_loc, free_mem_ref_locs, determine_lsm_ref,
1371         hoist_memory_reference, memref_hash, memref_eq, memref_del,
1372         gather_mem_refs_stmt, gather_mem_refs, find_more_ref_vops):
1373         New functions.
1374         (rewrite_mem_refs, schedule_sm): Use mem_ref_loc list.
1375         (determine_lsm_loop): Rewritten.
1376         (determine_lsm): Do not set stmt uids.
1377
1378 2005-05-10  Adrian Straetling  <straetling@de.ibm.com>
1379
1380         * config/s390/s390.md: Add comment lines for 'f' and 't' constraint
1381         letters.
1382
1383 2005-05-10  Adrian Straetling  <straetling@de.ibm.com>
1384
1385         * config/s390/s390.md: ("anddi3","andsi3","andhi3","andqi3"): Merge.
1386         ("iordi3", "iorsi3", "iorhi3", "iorqi3"): Merge.
1387         ("xordi3", "xorsi3", "xorhi3", "xorqi3"): Merge.
1388
1389 2005-05-10  Jeff Law  <law@redhat.com>
1390
1391         * tree-ssa-dom.c (dom_opt_finalize_block): Do not call
1392         thread_across_edge for any abnormal edges.
1393
1394 2005-05-10  Richard Henderson  <rth@redhat.com>
1395
1396         * config/ia64/ia64.c (ia64_expand_atomic_op): New.
1397         * config/ia64/ia64-protos.h: Declare it.
1398         * config/ia64/sync.md (I124MODE, FETCHOP, fetchop_name): New.
1399         (sync_add<I48MODE>, sync_old_add<I48MODE>): Remove.
1400         (sync_<FETCHOP><IMODE>, sync_nand<IMODE>): New.
1401         (sync_old_<FETCHOP><IMODE>, sync_old_nand<IMODE>): New.
1402         (sync_new_<FETCHOP><IMODE>, sync_new_nand<IMODE>): New.
1403         (cmpxchg_rel_<I124MODE>): Split from cmpxchg_acq_<IMODE>.  Zero
1404         extend result; use release semantics.
1405         (cmpxchg_rel_di): Rename from cmpxchg_acq_<IMODE>; use release.
1406         (sync_val_compare_and_swap_<IMODE>): Update to match.
1407
1408 2005-05-10  Richard Henderson  <rth@redhat.com>
1409
1410         * optabs.c (expand_compare_and_swap_loop): Don't clobber old value
1411         before comparing it for success.
1412
1413 2005-05-10  Richard Henderson  <rth@redhat.com>
1414
1415         * config/ia64/sync.md (sync_add<I48MODE>): Fix arguments for
1416         no return value pattern.
1417
1418 2005-05-10  Grigory Zagorodnev  <grigory.zagorodnev@intel.com>
1419             H.J. Lu  <hongjiu.lu@intel.com>
1420
1421         * libgcov.c (create_file_directory): New function. Create
1422         directory for the given file name.
1423         (gcov_max_filename): New static var. Keeps size of the longest
1424         file name.
1425         (gcov_exit): Always try to create directory for output
1426         file. Relocate each filename basing on environment vars.
1427         (__gcov_init): Remember the longest file name.
1428         * tsystem.h: include filenames.h to get IS_DIR_SEPARATOR
1429         * doc/gcov.texi (Cross-profiling): New node documenting
1430         cross-profiling management.
1431         * doc/invoke.texi (-fprofile-arcs): Add xref to cross-profiling.
1432
1433 2005-05-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
1434
1435         * config/sparc/sparc.c (mem_min_alignment): Do not rely
1436         on MEM_ALIGN if TARGET_UNALIGNED_DOUBLES.
1437
1438 2005-05-10  Bob Wilson  <bob.wilson@acm.org>
1439
1440         * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Rearrange special
1441         case code to avoid one move instruction.
1442         (__umodsi3, __modsi3): Merge duplicated code sequences.
1443
1444 2005-05-10  Kazu Hirata  <kazu@cs.umass.edu>
1445
1446         * config/mips/24k.md, config/sh/divtab.c, config/sh/sh.c,
1447         config/sh/sh.md, config/sh/superh.h: Fix comment typos.
1448         * doc/invoke.texi: Fix typos.
1449
1450         * tree-data-ref.c (analyze_array_indexes, analyze_array,
1451         init_data_ref, access_functions_are_affine_or_constant_p,
1452         free_data_refs): Use VEC instead of VARRAY.
1453         * tree-data-ref.h (data_reference): Change the type of
1454         access_fns to VEC(tree,gc)*.
1455         (DR_ACCESS_FN, DR_NUM_DIMENSIONS): Use VEC instead of VARRAY.
1456
1457 2005-05-10  Gabor Loki <loki@gcc.gnu.org>
1458
1459         PR c/17913
1460         * c-typeck.c (build_conditional_expr): Remove reducing cond_expr.
1461         * fold-const.c (fold): Expand the condition of reducing cond_expr.
1462         (contains_label_1, contains_label_p): New functions for checking
1463         labels in a sub-tree.
1464
1465 2005-05-10  Joseph S. Myers  <joseph@codesourcery.com>
1466
1467         PR c/21342
1468         * c-decl.c (pushdecl): When there is a declaration in the current
1469         scope and the declarations are external linkage, check for
1470         compatibility with the type in the external scope and update the
1471         type in the external scope with the composite type information.
1472         Do not form a composite type of the new type and the visible type
1473         if they are incompatible.
1474
1475 2005-05-10  Nathan Sidwell  <nathan@codesourcery.com>
1476
1477         * crtstuff.c: Revert part of 2005-05-08 Change.
1478         (IN_LIBGCC2): Define.
1479
1480 2005-05-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
1481
1482         * config/sparc/sparc.c (fp_sethi_p): Test !SPARC_SIMM13_P and
1483         remove redundant test.
1484         (fp_mov_p): Accept 0.
1485         (fp_high_losum_p): Remove redundant test.
1486         * config/sparc/predicates.md (const_high_operand): Explicitly test
1487         (not small_int_operand).
1488         (fp_const_high_losum_operand): New.
1489         * config/sparc/sparc.md (movsi_insn): Do not emit 'clr'.  Reorder.
1490         (movdi_insn_sp32_v9): Use canonical predicates.
1491         (movdi_insn_sp32): Test !TARGET_V9 instead of !TARGET_ARCH64.
1492         (movdi_insn_sp64_novis): Delete.
1493         (movdi_insn_sp64_vis): Rename into movdi_insn_sp64.
1494         (movsf_insn_novis): Delete.
1495         (movsf_insn_vis): Rename into movsf_insn.
1496         (movsf_no_f_insn): Rename into movsf_insn_no_fpu.
1497         (movsf_lo_sum): Use fp_const_high_losum_operand.
1498         (movsf_high): Likewise.
1499         (movsf_high_losum splitter): Likewise.
1500         (mov<V32:mode> expander): Use register_or_zero_operand.
1501         (mov<V64:mode> expander): Likewise.
1502         (movdf_insn_sp32): Use register_or_zero_operand.
1503         (movdf_no_e_insn_sp32): Use register_or_zero_operand.
1504         Rename into movdf_insn_sp32_no_fpu.
1505         (movdf_no_e_insn_v9_sp32): Use register_or_zero_operand.
1506         Rename into movdf_insn_sp32_v9_no_fpu.
1507         (movdf_insn_v9only_novis): Delete.
1508         (movdf_insn_v9only_vis): Rename into movdf_insn_sp32_v9.
1509         (movdf_insn_sp64_novis): Delete.
1510         (movdf_insn_sp64_vis): Rename into movdf_insn_sp64.
1511         (movdf_no_e_insn_sp64): Use register_or_zero_operand.
1512         Rename into movdf_insn_sp64_no_fpu.
1513         (movtf expander): Use register_or_zero_operand.
1514         (movtf_insn_sp32): Delete.
1515         (movtf_insn_vis_sp32): Use register_or_zero_operand.
1516         Rename into movtf_insn_sp32.
1517         (movtf_no_e_insn_sp32): Use register_or_zero_operand.
1518         Rename into movtf_insn_sp32_no_fpu.
1519         (movtf_insn_hq_sp64): Delete.
1520         (movtf_insn_hq_vis_sp64): Use register_or_zero_operand.
1521         Rename into movtf_insn_sp64_hq.
1522         (movtf_insn_sp64): Delete.
1523         (movtf_insn_vis_sp64): Use register_or_zero_operand.
1524         Rename into movtf_insn_sp64.
1525         (movtf_no_e_insn_sp64): Use register_or_zero_operand.
1526         Rename into movtf_insn_sp64_no_fpu.
1527
1528 2005-05-10  Nathan Sidwell  <nathan@codesourcery.com>
1529
1530         * config/stormy16/stormy16.c (xstormy16_emit_cbranch): Use
1531         gcc_assert and gcc_unreachable as appropriate.
1532         (xstormy16_split_cbranch, xstormy16_output_cbranch_hi,
1533         xstormy16_output_cbranch_si, xstormy16_split_move,
1534         xstormy16_initial_elimination_offset,
1535         xstormy16_encode_section_info, xstormy16_print_operand_address,
1536         xstormy16_expand_call, xstormy16_expand_arith,
1537         xstormy16_output_shift, xstormy16_init_builtins): Likewise.
1538
1539 2005-05-10  Kazu Hirata  <kazu@cs.umass.edu>
1540
1541         * tree-outof-ssa.c (_elim_graph): Change the type of nodes and
1542         const_copies to VEC(tree,heap)*.
1543         (new_elim_graph, delete_elim_graph, elim_graph_size,
1544         elim_graph_add_node, eliminate_build, eliminate_phi): Use VEC
1545         instead of VARRAY.
1546
1547 2005-05-10  Joseph S. Myers  <joseph@codesourcery.com>
1548
1549         PR other/21052
1550         * doc/extend.texi (Type Attributes): Correct example syntax.
1551
1552 2005-05-09  Joseph S. Myers  <joseph@codesourcery.com>
1553
1554         PR c/21160
1555         * doc/invoke.texi (-Wuninitialized): Update documentation.
1556
1557 2005-05-09  Richard Earnshaw  <richard.earnshaw@arm.com>
1558
1559         * arm.c (const_ok_for_arm): Use a faster algorithm.
1560
1561 2005-05-09  David Edelsohn  <edelsohn@gnu.org>
1562
1563         PR target/21477
1564         * config/rs6000/rs6000.md (add_op2): New.
1565         (add<mode>3): Use it.
1566
1567 2005-05-09  Richard Earnshaw  <richard.earnshaw@arm.com>
1568
1569         * arm.c (arm_gen_constant): Add new heuristic for generating
1570         constant integers that can be expressed as the difference of two
1571         valid immediates.
1572
1573 2005-05-09  Roger Sayle  <roger@eyesopen.com>
1574
1575         * c-tree.h (parser_build_unary_op): New prototype.
1576         * c-typeck.c (parser_build_unary_op): New function to construct
1577         a unary operation in the C parser.
1578         * c-parser.c (c_parser_unary_expression):  Use the new function
1579         parser_build_unary_op when appropriate.
1580
1581 2005-05-09  Mark Mitchell  <mark@codesourcery.com>
1582
1583         PR 18655
1584         * dwarf2out.c (output_call_frame_info): Use DWARF2_FRAME_REG_OUT
1585         before outputting DWARF_FRAME_RETURN_COLUMN.
1586
1587 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1588
1589         * config/s390/s390.c: (s390_branch_condition_mask,
1590         s390_branch_condition_mnemonic, s390_extra_constraint_str,
1591         s390_const_ok_for_constraint_p, s390_expand_plus_operand,
1592         legitimize_pic_address, s390_emit_tls_call_insn,
1593         legitimize_tls_address, legitimize_tls_address,
1594         s390_expand_addcc, print_shift_count_operand, print_operand,
1595         addr_generation_dependency_p, annotate_constant_pool_refs,
1596         s390_split_branches, find_constant_pool_ref,
1597         replace_constant_pool_ref, s390_add_constant, s390_find_constant,
1598         s390_find_execute, s390_mainpool_start, s390_chunkify_start,
1599         s390_output_pool_entry, s390_function_value,
1600         s390_call_saved_register_used, s390_emit_call): Replace
1601         conditional aborts by gcc_assert and unconditional by gcc_unreachable.
1602         (s390_select_ccmode, s390_match_ccmode_set, s390_extract_part,
1603         s390_cannot_force_const_mem, s390_output_dwarf_dtprel,
1604         get_some_local_dynamic_name, s390_function_arg_size,
1605         s390_function_arg_advance, s390_function_arg,
1606         s390_expand_builtin, s390_gen_rtx_const_DI): Replace abort in
1607         default case by gcc_unreachable.
1608         * config/s390/s390.md: ("*cjump_31", "*icjump_31", "*jump31"): Replace
1609         conditional abort by gcc_assert.
1610         ("doloop_si31"): Replace abort in last else by gcc_unreachable.
1611         ("main_pool", "pool"): Replace unconditional abort by gcc_unreachable.
1612
1613 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1614
1615         * config/s390/s390.c: (s390_decompose_address,
1616         tls_symbolic_operand, legitimate_pic_operand_p,
1617         legitimate_constant_p, legitimate_reload_constant_p,
1618         s390_expand_plus_operand, legitimate_address_p,
1619         legitimate_la_operand_p, ): Remove 'register' from signature.
1620         (symbolic_reference_mentioned_p,
1621         tls_symbolic_reference_mentioned_p): Remove 'register' from local
1622         variable declarations.
1623         (legitimize_address): Remove 'register' from
1624         signature and local variable declarations.
1625
1626 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1627
1628         * config/s390/s390-protos.h: (s390_match_ccmode,
1629         s390_match_ccmode_set, reg_used_in_mem_p,
1630         symbolic_reference_mentioned_p, tls_symbolic_reference_mentioned_p,
1631         legitimate_la_operand_p, preferred_la_operand_p,
1632         s390_short_displacement, addr_generation_dependency_p,
1633         legitimate_reload_constant_p, legitimate_address_p): Change return type
1634         into 'bool'.
1635         (s390_tm_ccmode): Change type of parameter "mixed" into 'bool'.
1636         * config/s390/s390.c: (s390_match_ccmode,
1637         symbolic_reference_mentioned_p, tls_symbolic_reference_mentioned_p,
1638         legitimate_reload_constant_p): Change return type into 'bool'.
1639         (preferred_la_operand_p,legitimate_la_operand_p, legitimate_address_p):
1640         Likewise.  Additionally adapted comment.
1641         (s390_extra_constraint_p): Change Comment to reflect 'int' return type.
1642         (s390_tm_ccmode): Change type of parameter "mixed" into 'bool'.
1643         (s390_decompose_address): Change the type of the internal flags
1644         "pointer", "base_ptr", "indx_ptr", and the return value into 'bool'.
1645         (struct s390_address): Change type of "pointer" into bool.
1646         * config/s390/s390.md: ("*tmdi_reg", "*tmsi_reg", "tm<mode>_full"):
1647         Adapt calls for 's390_tm_ccmode' to the new signature.
1648
1649 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1650
1651         * config/s390/s390.c: (s390_match_ccmode_set,
1652         s390_branch_condition_mnemonic, s390_short_displacement,
1653         s390_decompose_address, get_thread_pointer, legitimize_tls_address,
1654         print_shift_count_operand, get_some_local_dynamic_name,
1655         get_some_local_dynamic_name_1, reg_used_in_mem_p,
1656         addr_generation_dependency_p, s390_split_branches,
1657         annotate_constant_pool_refs, find_constant_pool_ref,
1658         replace_constant_pool_ref, find_ltrel_base, replace_ltrel_base,
1659         s390_optimize_prologue, find_unused_clobbered_reg, s390_frame_area,
1660         s390_register_info, s390_frame_info, s390_init_frame_layout,
1661         s390_update_frame_layout, save_fpr, restore_fpr, save_gprs,
1662         restore_gprs, s390_function_arg_size, s390_function_arg_float,
1663         s390_init_machine_status, s390_assemble_integer, s390_handle_option,
1664         s390_encode_section_info, s390_cannot_force_const_mem,
1665         s390_delegitimize_address, s390_return_in_memory, s390_init_builtins,
1666         s390_expand_builtin, s390_output_mi_thunk, s390_safe_attr_type,
1667         s390_adjust_priority, s390_issue_rate,
1668         s390_first_cycle_multipass_dfa_lookahead, s390_cannot_copy_insn_p,
1669         s390_rtx_costs, s390_address_cost, s390_reorg, s390_valid_pointer_mode,
1670         s390_build_builtin_va_list, s390_gimplify_va_arg,
1671         s390_function_ok_for_sibcall, s390_call_saved_register_used,
1672         s390_pass_by_reference, s390_fixed_condition_code_regs,
1673         s390_cc_modes_compatible s390_mainpool_start,, s390_mainpool_finish,
1674         s390_mainpool_cancel, s390_chunkify_start, s390_chunkify_finish,
1675         s390_chunkify_cancel, s390_start_pool, s390_end_pool,
1676         s390_add_pool_insn, s390_find_pool, s390_add_constant,
1677         s390_find_constant, s390_add_execute, s390_find_execute,
1678         s390_execute_label, s390_execute_target, s390_dump_pool,
1679         s390_dump_execute, s390_alloc_pool, s390_free_pool): Remove prototypes.
1680         Move target macro definitions to the end of the file.  Move several
1681         functions within the file to assure correct compiling.
1682
1683 2005-05-09  Steven Bosscher  <stevenb@suse.de>
1684
1685         * calls.c (purge_reg_equiv_notes): Remove, fold into...
1686         (fixup_tail_calls): ...here.  Only look at insns between the
1687         start of the function and the FUNCTION_BEG insn note.
1688
1689         * gcse.c (one_cprop_pass): Fix typos in dumps.
1690
1691         * tree-ssa-operands.h (FOR_EACH_PHI_ARG): Fix typos.
1692
1693 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1694
1695         * config/s390/s390.h: Move xxx_REGNUM definitions to s390.md.
1696         * config/s390/s390.md: ("SIBCALL_REGNUM", "BASE_REGNUM",
1697         "RETURN_REGNUM", "CC_REGNUM", "TP_REGNUM"): New constants.
1698         Replace every occurrence of '(reg:<MODE> 33)' by '(reg:<MODE>
1699         CC_REGNUM)'.
1700         ("get_tp_64", "get_tp_31", "set_tp_64", "set_tp_31"): Replace
1701         '(reg:<MODE> 36)' by '(reg:<MODE> TP_REGNUM)'.
1702         ("*sibcall_br", "*sibcall_value_br"): Replace '(reg:DI 1)' by '(reg:DI
1703         REG_SC)'.
1704
1705 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1706
1707         * config/s390/s390.md: ("gf") New mode attribute.
1708         ("fixuns_truncdfdi2", "fixuns_truncdfsi2", "fixuns_truncsfdi2",
1709         "fixuns_truncsfsi2"): Merge.
1710         ("fix_truncdfdi2", "fix_truncsfdi2"): Merge.
1711         ("fix_truncdfdi2_ieee", "fix_truncdfsi2_ieee", "fix_truncsfdi2_ieee",
1712         "fix_truncsfsi2_ieee"): Merge.
1713
1714 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1715
1716         * config/s390/s390.md: ("FPR") New mode macro.
1717         ("de", "dee"): New mode attributes.
1718         ("cmpdf", "cmpsf"): Merge.
1719         ("*cmpdf_ccs_0", "*cmpsf_ccs_0"): Merge.
1720         ("*cmpdf_ccs_0_ibm", "*cmpdf_ccs_0_ibm"): Merge.
1721         ("*cmpdf_ccs", "*cmpsf_ccs"): Merge.
1722         ("*cmpdf_ccs_ibm", "*cmpsf_ccs_ibm"): Merge.
1723         ("floatdidf2", "floatdisf2"): Merge.
1724         ("adddf3", "addsf3"): Merge.
1725         ("*adddf3", "*addsf3"): Merge.
1726         ("*adddf3_cc", "*addsf3_cc"): Merge.
1727         ("*adddf3_cconly", "*addsf3_cconly"): Merge.
1728         ("*adddf3_ibm", "*addsf3_ibm"): Merge.
1729         ("subdf3", "subsf3"): Merge.
1730         ("*subdf3", "*subsf3"): Merge.
1731         ("*subdf3_cc", "*subsf3_cc"): Merge.
1732         ("*subdf3_cconly", "*subsf3_cconly"): Merge.
1733         ("*subdf3_ibm", "*subsf3_ibm"): Merge.
1734         ("muldf3", "mulsf3"): Merge.
1735         ("*muldf3", "*mulsf3" "): Merge.
1736         ("*muldf3_ibm", "*mulsf3_ibm"): Merge.
1737         ("*fmadddf", "*fmaddsf"): Merge.
1738         ("*fmsubdf", "*fmsubsf"): Merge.
1739         ("divdf3", "divsf3"): Merge.
1740         ("*divdf3", "*divsf3"): Merge.
1741         ("*divdf3_ibm", "*divsf3_ibm"): Merge.
1742         ("negdf2", "negsf2"): Merge.
1743         ("*negdf2_cc", "*negsf2_cc"): Merge.
1744         ("*negdf2_cconly", "*negsf2_cconly"): Merge.
1745         ("*negdf2", "*negsf2"): Merge.
1746         ("*negdf2_ibm", "*negsf2_ibm"): Merge.
1747         ("absdf2", "abssf2"): Merge.
1748         ("*absdf2_cc", "*abssf2_cc"): Merge.
1749         ("*absdf2_cconly", "*abssf2_cconly"): Merge.
1750         ("*absdf2", "*abssf2"): Merge.
1751         ("*absdf2_ibm", "*abssf2_ibm"): Merge.
1752         ("*negabsdf2_cc", "*negabssf2_cc"): Merge.
1753         ("*negabsdf2_cconly", "*negabssf2_cconly"): Merge.
1754         ("*negabsdf2", "*negabssf2"): Merge.
1755         ("sqrtdf2", "sqrtsf2"): Merge.
1756
1757 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1758
1759         * config/s390/s390.c: (s390_adjust_priority): Adapt to changed
1760         attribute names.
1761         * config/s390/2084.md: ("x_fsimpd", "x_fsimps", "x_fdivd", "x_fdivs",
1762         "x_floadd", "x_floads", "x_fstored", "x_fstores"): Rename to
1763         ("x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
1764         "x_floadsf", "x_fstoredf", "x_fstoresf") and replace 'type'
1765         attribute names.
1766         * config/s390/s390.md: ("type"): Rename "fsimpd, fsimps, floadd, floads,
1767         fstored, fstores, fmuld, fmuls, fdivd, fdivs, fsqrtd, fsqrts" to
1768         "fsimpdf, fsimpsf, floaddf, floadsf, fstoredf, fstoresf, fmuldf,
1769         fmulsf, fdivdf, fdivsf, fsqrtdf, fsqrtsf".
1770         ("*cmpdf_ccs_0", "*cmpdf_css_0_ibm", "*cmpdf_ccs",
1771         "*cmpdf_ccs_ibm", "*cmpsf_ccs_0", "*cmpsf_css_0_ibm",
1772         "*cmpsf_ccs", "*cmpsf_ccs_ibm", "*movdi_64", "*movdi_31",
1773         "*movsi_zarch", "*movsi_esa", "*movdf_64", "*movdf_31", "movsf",
1774         "*muldf3", "*muldf3_ibm", "*fmadddf", "*fmsubdf", "*mulsf3",
1775         "mulsf3_ibm", "*fmaddsf", "fmsubsf", "*divdf3", "*divdf3_ibm",
1776         "*negdf2_cc", "*negdf2_cconly", "*negdf2", "*negdf2_ibm",
1777         "*negsf2_cc", "*negsf2_cconly", "*negsf2", "*absdf2_cc",
1778         "*absdf2_cconly", "*absdf2", "*absdf2_ibm", "*abssf2_cc",
1779         "*abssf2_cconly", "*abssf2", "*abssf2_ibm", "*negabsdf2_cc",
1780         "*negabsdf2_cconly", "*negabsdf2", "*negabssf2_cc",
1781         "*negabssf2_cconly", "*negabssf2", "sqrtdf2", "sqrtsf2"): Rename
1782         'type' value.
1783         ("*divsf3"): Additionally rename second pattern to
1784         "*divsf3_ibm".
1785         ("truncdfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
1786         "*adddf3", "*adddf3_cc", "*adddf3_cconly", "*adddf3_ibm",
1787         "*addsf3", "*addsf3_cc", "*addsf3_cconly", "*subdf3",
1788         "subdf3_cc", "*subdf3_cconly", "*subdf3_ibm", "*subsf3",
1789         "subsf3_cc", "*subsf3_cconly", "*subsf3_ibm"): Merge identical
1790         'type values' and rename 'type' value.
1791         ("*addsf3"): Additionally rename second pattern to
1792         "*addsf3_ibm".
1793
1794 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1795
1796         * config/s390/s390.md: ("SHIFT"): New mode macro.
1797         ("lr", "shift"): New mode attributes.
1798         ("ashldi3", "lshrdi3"): Merge.
1799         ("*ashldi3_31", "*lshrdi3"_31): Merge.
1800         ("*ashldi3_64", "*lshrdi3"_64): Merge.
1801         ("ashlsi3", "lshrsi3"): Merge.
1802
1803 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1804
1805         * config/s390/s390.md: ("DSI", "SCOND"): New mode
1806         macros.
1807         ("E", "g"): New mode attributes.
1808         ("*adddi3_alc_cc", "*addsi3_alc_cc"): Merge.
1809         ("*adddi3_alc", "*addsi3_alc"): Merge.
1810         ("*subdi3_slb_cc", "*subsi3_slb_cc"): Merge.
1811         ("*subdi3_slb", "*subsi3_slb"): Merge.
1812         ("adddicc", "addsicc"): Merge.
1813         ("*sconddi", "*scondsi"): Merge.
1814         ("*sconddi_neg", "*scondsi_neg"): Merge.
1815         ("sltu", "sgtu", "sleu", "sgeu"): Merge.
1816         ("negdi2", "negsi2"): Extract expander pattern from
1817         "negsi2" and merge with "negdi2".
1818         ("*negdi2"): Merge with instruction pattern of "negsi2".
1819         ("*negdi2_cc", "*negsi2_cc"): Merge.
1820         ("*negdi2_cconly", "*negsi2_cconly"): Merge.
1821         ("rotldi3", "rotlsi3"): Merge.
1822
1823 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1824
1825         * config/s390/s390.md: ("hc"): New mode attribute.
1826         ("extendhidi2", "extendqidi2"): Merge.
1827         ("*extendhidi2", "*extendqidi2"): Merge.
1828         ("extendhisi2", "extendqisi2"): Merge.
1829         ("zero_extendhidi2", "zero_extendqidi2"): Merge.
1830         ("*zero_extendhidi2", "*zero_extendqidi2"): Merge.
1831         Merged 2 define_split.
1832         ("*zero_extendhisi2", "*zero_extendqisi2"): Merge.
1833         ("*zero_extendhisi2_64", "*zero_extendqisi2_64"): Merge.
1834
1835 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1836
1837         * config/s390/s390.md: ("COMPARE"): New mode macro.
1838         ("beq", "bne", "bgt", "bgtu", "blt", "bltu", "bge", "bgeu",
1839         "ble", "bleu", "bunordered", "bordered", "buneq", "bunlt",
1840         "bungt", "bunle", "bunge", "bltgt"): Merge.
1841
1842 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1843
1844         * config/s390/s390.md: ("INT"): New mode macro.
1845         ("one_cmpldi2", "one_cmplsi2", "one_cmplhi2", "one_cmplqi2"):
1846         Merge.
1847
1848 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1849
1850         * config/s390/s390.md: ("GPR", "P"): New mode macros.
1851         ("cmpdi", "cmpsi"): Merge.
1852         ("strlendi", "strlensi"): Merge.
1853         ("*strlendi", "*strlensi"): Merge.
1854         ("movmemdi", "movmemsi"): Merge.
1855         ("clrmemdi", "clrmemsi"): Merge.
1856
1857 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
1858
1859         * config/s390/s390.md: ("HQI"): New mode macro.
1860         ("icm_lo", "icm_hi", "max_uint"): New mode attributes.
1861         ("*tmhi_full", "*tmqi_full"): Merge.
1862         ("*tsthiCCT", "*tstqiCCT"): Merge.
1863         ("*tsthi", "*tstqi"): Merge.
1864         ("*tsthi_cconly", "tstqi_cconly"): Merge.
1865         ("*sethighhisi", "*sethighqisi"): Merge.
1866
1867 2005-05-09  Kazu Hirata  <kazu@cs.umass.edu>
1868
1869         * crtstuff.c, integrate.h, tree-scalar-evolution.h,
1870         config/alpha/unicosmk.h, config/arc/arc.md,
1871         config/arm/bpabi.h, config/arm/coff.h, config/arm/elf.h,
1872         config/arm/ieee754-df.S, config/arm/ieee754-sf.S,
1873         config/arm/netbsd.h, config/arm/pe.c, config/arm/pe.h,
1874         config/arm/semi.h, config/arm/uclinux-elf.h,
1875         config/arm/wince-pe.h, config/fr30/fr30.c,
1876         config/rs6000/altivec.h: Update copyright.
1877
1878 2005-05-09  Nathan Sidwell  <nathan@codesourcery.com>
1879
1880         * config/pdp11/pdp11.c (pdp11_output_function_prologue): Use
1881         gcc_assert and gcc_unreachable as appropriate.
1882         (pdp11_output_function_epilogue, output_move_double,
1883         output_move_quad, print_operand_address, output_jump,
1884         output_addr_const_pdp11): Likewise.
1885         * config/pdp11/pdp11.h (FUNCTION_PROFILER,
1886         ASM_OUTPUT_ALIGN): Likewise.
1887         * config/pdp11/pdp11.md: Likewise.
1888         (extendhisi2, subhi3, subqi3): Likewise.
1889
1890 2005-05-09  David Edelsohn  <edelsohn@gnu.org>
1891
1892         PR middle-end/21237
1893         * dojump.c (do_jump, MINUS_EXPR): Build NE_EXPR and fall through
1894         to NE_EXPR case.
1895
1896 2005-05-09  Kazu Hirata  <kazu@cs.umass.edu>
1897
1898         * config/ia64/ia64.c: Fix a comment typo.
1899
1900 2005-05-09  Richard Earnshaw  <rearnsha@arm.com>
1901
1902         PR target/21397
1903         * arm.c (ARM_OPT_SET_CPU, ARM_OPT_SET_ARCH, ARM_OPT_SET_TUNE): Define.
1904         (arm_override_options): Use them instead of manifest constants.  Don't
1905         allow -march to override the -mtune setting.
1906
1907 2005-05-09  Nathan Sidwell  <nathan@codesourcery.com>
1908
1909         * config/iq2000/iq2000.c (abort_with_insn): Use fancy_abort.
1910         (gen_int_relational): Use gcc_unreachable and gcc_assert as necessary.
1911         (function_arg_advance, function_arg, save_restore_insns,
1912         iq2000_expand_prologue, iq2000_output_conditional_branch,
1913         expand_one_builtin, print_operand):
1914         * config/iq2000/iq2000.md (tablejump): Likewise.
1915
1916 2005-05-09  David Ung  <davidu@mips.com>
1917
1918         * config/mips/mips.h (processor_type): Add names for the 24K.
1919         * config/mips/mips.c (mips_cpu_info_table): Add names for the 24K
1920         processor family.
1921         * config/mips/mips.md (cnv_mode): New attribute for recording the
1922         conversion types of float convert insns.
1923         (cpu): Add 24k and 24kx.
1924         (include): Include 24k.md file.
1925         (truncdfsf2, extendsfdf2, fix_truncdfsi2_insn, fix_truncdfsi2_macro)
1926         (fix_truncdfdi2, fix_truncsfdi2, floatsidf2, floatdidf2, floatsisf2)
1927         (floatdisf2): Setup cnv_mode.
1928         (fix_truncsfsi2_insn, fix_truncsfsi2_macro): Changed mode to SF and
1929         setup cnv_mode.
1930         * config/mips/24k.md: New file, contains 24k DFA pipeline
1931         description.
1932
1933 2005-05-09  Nathan Sidwell  <nathan@codesourcery.com>
1934
1935         * config/sh/sh.c (print_operand_address): Use gcc_assert and
1936         gcc_unreachable as appropriate.
1937         (print_operand, prepare_move_operands, prepare_scc_operands,
1938         output_movedouble, output_branch, shift_insns_rtx, gen_shifty_op,
1939         gen_shl_and, shl_sext_kind, gen_datalabel_ref, dump_table,
1940         fixup_mova, gen_far_branch, sh_reorg, split_branches,
1941         final_prescan_insn, output_stack_adjust, sh_expand_epilogue,
1942         sh_set_return_address, sh_setup_incoming_varargs,
1943         initial_elimination_offset, sh_pch_valid_p, get_free_reg,
1944         sh_expand_builtin, sh_output_mi_thunk, extract_sfunc_addr,
1945         check_use_sfunc_addr): Likewise.
1946         * config/sh/netbsd-elf.h (FUNCTION_PROFILER): Likewise.
1947         * config/sh/sh.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Likewise.
1948         * config/sh/symbian.c (sh_symbian_mark_dllexport,
1949         sh_symbian_mark_dllimport): Likewise.
1950         * config/sh/sh.md: Likewise.
1951         (movdicc, call_pop, call_value_pop, casesi_worker_1,
1952         casesi_worker_2, casesi_shift_media, casesi_load_media,
1953         return_media): Likewise.
1954
1955 2005-05-08  Roger Sayle  <roger@eyesopen.com>
1956
1957         PR inline-asm/8788
1958         * stmt.c (expand_asm_operands): Avoid calling force_reg on BLKmode
1959         operands.
1960
1961 2005-05-08  Richard Henderson  <rth@redhat.com>
1962
1963         * config/alpha/alpha.c (adjust_address): Fix typo last change.
1964
1965 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
1966
1967         * config/m68hc11/m68hc11.h (REG_VALID_P): A regno must be >= 0
1968         and -1 can happen in reg_renumber when no hard register is assigned.
1969
1970 2005-05-08  Steven Bosscher  <stevenb@suse.de>
1971             Kazu Hirata  <kazu@cs.umass.edu>
1972
1973         PR tree-optimization/14841, tree-optimization/15838
1974         * tree-ssa-ccp.c (fold_const_aggregate_ref): New.
1975         (evaluate_stmt): Call it.
1976
1977 2005-05-08  Jakub Jelinek  <jakub@redhat.com>
1978
1979         * config/ia64/ia64.c (ia64_override_options): Don't set
1980         ia64_flag_var_tracking and clear flag_var_tracking here...
1981         (ia64_file_start): ... but here.
1982
1983 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
1984
1985         * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use gcc_assert
1986         and gcc_unreachable as appropriate.
1987         (expand_prologue, expand_epilogue, m68hc11_gen_lowpart,
1988         m68hc11_gen_highpart, print_operand, print_operand_address,
1989         m68hc11_expand_compare, m68hc11_expand_compare_and_branch,
1990         m68hc11_gen_movhi): Likewise.
1991         * config/m68hc11/m68hc11.h (HARD_X_REGNUM): Reword comment.
1992         * config/m68hc11/m68hc11.md: Reword comment.
1993
1994 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
1995
1996         PR target/21281
1997         * config/m68hc11/predicates.md (splitable_operand): An immediate is
1998         allowed.
1999
2000 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
2001
2002         * config/m68hc11/predicates.md (reg_or_some_mem_operand): Do not allow
2003         the 68HC12 address indirect addressing mode as it is not supported by
2004         bset and bclr.
2005         * config/m68hc11/m68hc11-protos.h
2006         (m68hc11_valid_addressing_p): Declare.
2007         (m68hc11_add_mode): Declare.
2008         * config/m68hc11/m68hc11.c (m68hc11_valid_addressing_p): Rename from
2009         register_indirect_p and export it.
2010         (m68hc11_z_replacement): Use emit_insn_after when adding the save Z
2011         instruction so that it is part of the good BB.
2012         (m68hc11_gen_movhi): Fix invalid generation of indexed indirect
2013         addressing with movw.
2014         (m68hc11_gen_movqi): Use pula and pulb instead of lda and ldb for
2015         68HC12.
2016         * config/m68hc11/m68hc11.h (ADDR_STRICT, ADDR_INCDEC, ADDR_INDEXED,
2017         ADDR_OFFSET, ADDR_INDIRECT, ADDR__CONST): Moved from m68hc11.c.
2018         * config/m68hc11/m68hc11.md ("movhi_const0"): Use this pattern only
2019         for 68HC11.
2020         ("*movhi_68hc12"): Handle movhi_const0.
2021         ("*subhi3", "subqi3"): Use general_operand for operand 1.
2022         ("*subhi3_zext"): Likewise.
2023
2024 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
2025
2026         PR target/19051
2027         * config/m68hc11/m68hc11.md ("mulqi3"): Use general_operand for
2028         operand 1 and fix constraints.
2029         ("mulqihi3"): Use general_operand for operand 2.
2030
2031 2005-05-08  Julian Brown  <julian@codesourcery.com>
2032             H.J. Lu  <hongjiu.lu@intel.com>
2033             Paul Brook  <paul@codesourcery.com>
2034
2035         * configure.ac: Set ld_vers_major, ld_vers_minor and ld_vers_patch for
2036         GNU linker. Support linker version x.x.x.x.x. Require GNU linker
2037         20050308/2.16.0 or newer for comdat group.
2038         * configure: Regenerated.
2039         * config.in: Regenerated.
2040         * varasm.c (default_function_rodata_section): Put .rodata section in
2041         COMDAT group when necessary.
2042         (default_elf_asm_named_section): Rename HAVE_GAS_COMDAT_GROUP to
2043         HAVE_COMDAT_GROUP.
2044         (default_unique_section_1): Don't use .gnu.linkonce when COMDAT is
2045         available.
2046
2047 2005-05-08  Kazu Hirata  <kazu@cs.umass.edu>
2048
2049         * tree-dfa.c (referenced_vars, add_referenced_var): Use VEC
2050         instead of VARRAY.
2051         * tree-flow.h (num_referenced_var, referenced_var): Likewise.
2052         * tree-into-ssa.c (mark_def_site_blocks): Likewise.
2053         * tree-ssa.c (init_tree_ssa, delete_tree_ssa): Likewise.
2054         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
2055
2056 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
2057
2058         PR target/16925
2059         * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Handle split of
2060         64-bit constants on 64-bit hosts.
2061         (m68hc11_split_logical): Simplify.
2062         (m68hc11_split_move): Likewise.
2063
2064 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
2065             Paolo Bonzini  <bonzini@gnu.org>
2066
2067         * Makefile.in (cs-tconfig.h): Pass USED_FOR_TARGET to mkconfig.sh
2068         * aclocal.m4 (GCC_TARGET_TEMPLATE, AH_TEMPLATE): New.
2069         * configure.ac (enable_checking): Fix typos in runtime_checking.
2070         (ENABLE_RUNTIME_CHECKING): Mark as target template.
2071         (xm_file): Prepend auto-host.h
2072         (HAVE_GAS_HIDDEN, HAVE_LD_EH_FRAME_HDR): Mark as target template.
2073         * mkconfig.sh: Do not automatically define USED_FOR_TARGET in
2074         tconfig.h.
2075         * crtstuff.c: Do not include auto-host.h.
2076         (IN_LIBGCC2): Do not define.
2077         * gcov-io.h: Include tconfig.h, not auto-host.h.
2078         * libgcc2.c: Do not include auto-host.h.
2079         (abort): Do not undefine.
2080         * libgcov.c: Remove unneeded comment about config.h.
2081         * unwind-dw2-fde-glibc.c: Do not inlude auto-host.h.
2082         * config.in, configure: Regenerated.
2083
2084 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
2085             Falk Hueffner  <falk@debian.org>
2086
2087         * config/alpha/alpha.c (tls_symbolic_operand_1): Use gcc_assert
2088         and gcc_unreachable as appropriate.
2089         (get_aligned_mem, get_unaligned_address,
2090         alpha_emit_set_long_const, alpha_emit_conditional_branch,
2091         alpha_emit_setcc, alpha_emit_conditional_move,
2092         alpha_lookup_xfloating_lib_func, alpha_compute_xfloating_mode_arg,
2093         alpha_emit_xfloating_libcall, alpha_split_tfmode_pair,
2094         alpha_expand_unaligned_load, alpha_expand_block_move,
2095         alpha_expand_zap_mask, get_trap_mode_suffix,
2096         get_round_mode_suffix, get_some_local_dynamic_name,
2097         print_operand_address, function_arg, alpha_return_in_memory,
2098         function_value, alpha_expand_builtin,
2099         alpha_initial_elimination_offset, alpha_expand_epilogue,
2100         summarize_insn, alpha_handle_trap_shadows, alphaev5_insn_pipe,
2101         alphaev5_next_group, alpha_align_insns,
2102         unicosmk_initial_elimination_offset, unicosmk_unique_section,
2103         unicosmk_ssib_name): Likewise.
2104         * config/alpha/alpha.h (ASM_OUTPUT_ADDR_VEC_ELT): Likewise.
2105         * config/alpha/unicosmk.h (TRAMPOLINE_TEMPLATE,
2106         ASM_OUTPUT_ADDR_DIFF_ELT, ASM_OUTPUT_ADDR_DIFF_VEC): Likewise.
2107         * config/alpha/vms.h (INITIAL_ELIMINATION_OFFSET,
2108         ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
2109         * config/alpha/alpha.md (*divmodsi_internal_er,
2110         *divmoddi_internal_er, ashldi3, *insxl, sibcall, call_osf,
2111         call_nt, call_umk, call_vms, call_value, sibcall_value,
2112         call_value_osf, call_value_nt, call_value_vms, call_value_umk,
2113         *call_vms_1, *movmemdi_1, *clrmemdi_1, *call_value_vms_1): Likewise.
2114         * config/alpha/predicates.md (input_operand): Likewise.
2115
2116 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
2117
2118         * config/frv/frv.c (frv_default_flags_for_cpu): Use gcc_assert and
2119         gcc_unreachable, as appropriate.
2120         (frv_function_prologue, frv_alloc_temp_reg,
2121         frv_initial_elimination_offset, frv_expand_block_move,
2122         frv_expand_block_clear, frv_print_operand_jump_hint,
2123         frv_legitimize_tls_address, unspec_got_name, frv_emit_move,
2124         frv_emit_movsi, frv_split_cond_move, frv_split_minmax,
2125         frv_ifcvt_modify_insn, frv_ifcvt_modify_final,
2126         frv_adjust_field_align, frv_insn_unit, frv_cond_flags,
2127         frv_sort_insn_group, frv_reorder_packet, frv_matching_accg_mode,
2128         frv_in_small_data_p, frv_asm_out_constructor,
2129         frv_asm_out_destructor, frv_output_dwarf_dtprel): Likewise.
2130         * config/frv/frv.md (reload_incc_fp, *cond_exec_si_binary1,
2131         *cond_exec_si_binary2, *cond_exec_si_divide, *cond_exec_si_unary1,
2132         *cond_exec_sf_conv, *cond_exec_sf_add, call, sibcall, call_value,
2133         sibcall_value, casesi): Likewise.
2134
2135         * config/mn10300/mn10300.c (print_operand): Use gcc_assert and
2136         gcc_unreachable as appropriate.
2137         (print_operand_address, mn10300_print_reg_list, expand_prologue,
2138         expand_epilogue, notice_update_cc, initial_offset,
2139         mn10300_address_cost_1): Likewise.
2140         * config/mn10300/mn10300.md: Likewise.
2141         (absdf2, abssf2, negdf2, negsf2): Likewise.
2142
2143 2005-05-08  Richard Sandiford  <rsandifo@redhat.com>
2144
2145         PR target/21416
2146         * config/mips/mips.c (mips_emit_compare): Don't reverse UNGE and UNGT
2147         comparisons.
2148         * config/mips/mips.md (swapped_fcond): New code macro and attribute.
2149         (sgt_<mode>, sge_<mode>): Generalize to all members of swapped_fcond,
2150         including sunge_<mode> and sungt_<mode>.
2151
2152 2005-05-08  Richard Sandiford  <rsandifo@redhat.com>
2153
2154         * integrate.h (get_hard_reg_initial_val): Change type of register
2155         parameter from int to unsigned int.
2156         (has_hard_reg_initial_val): Likewise.
2157         * integrate.c (get_hard_reg_initial_val): Likewise.
2158         (has_hard_reg_initial_val): Likewise.  Remove cast to unsigned int.
2159
2160 2005-05-08  Kazu Hirata  <kazu@cs.umass.edu>
2161
2162         * except.c (eh_status): Change the type of ttype_data to
2163         VEC(tree,gc)*.
2164         (add_ttypes_entry, assign_filter_values,
2165         output_function_exception_table): Use VEC instead of VARRAY.
2166
2167 2005-05-07  David Edelsohn  <edelsohn@gnu.org>
2168
2169         * config/rs6000/rs6000.md (popcount<mode>2): Fix non-C90 constant.
2170
2171 2005-05-07  Paul Brook  <paul@codesourcery.com>
2172
2173         * Makefile.in: Fix dependencies.
2174         (GCOV_IO_H, VARRAY_H): Set.
2175
2176 2005-05-07  Anthony Green  <green@redhat.com>
2177
2178         PR bootstrap/21403
2179         * configure.ac (STMP_FIXPROTO): Fix [ ] consumption problem in
2180         x$STMP_FIXPROTO test.
2181         * configure: Rebuilt.
2182
2183 2005-05-07  Joseph S. Myers  <joseph@codesourcery.com>
2184
2185         * config/pa/pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Do not define
2186         inappropriate feature test macros if flag_iso.
2187
2188 2005-05-07  Joseph S. Myers  <joseph@codesourcery.com>
2189
2190         * config/ia64/hpux.h (NO_IMPLICIT_EXTERN_C): Define.
2191
2192 2005-05-07  Hans-Peter Nilsson  <hp@axis.com>
2193
2194         PR target/21441
2195         * config/cris/cris.md ("*movdi_insn", "*mov_sidesisf_biap")
2196         ("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"):
2197         Handle moved operand being in special register.
2198         ("smulsi3_highpart", "umulsi3_highpart"): Change .error into
2199         presumed working insn.
2200         (mover2side): Add FIXME.
2201
2202 2005-05-07  Richard Sandiford  <rsandifo@redhat.com>
2203
2204         * integrate.c (get_func_hard_reg_initial_val): Delete.
2205         (has_func_hard_reg_initial_val): Delete.
2206         (get_hard_reg_initial_val): Inline the old implementation of
2207         get_func_hard_reg_initial_val.  Use has_hard_reg_initial_val
2208         instead of has_func_hard_reg_initial_val to test for an existing
2209         pseudo.  Only create an rtx if a new initial value entry is needed.
2210         (has_hard_reg_initial_val): Scan the initial value list directly.
2211         Don't create an rtx.
2212
2213 2005-05-07  David Edelsohn  <edelsohn@gnu.org>
2214
2215         * config.gcc ({powerpc,rs6000}-ibm-aix*): Remove rs6000/aix.opt
2216         from extra_options.
2217         * config.in (HAVE_AS_POPCNTB): New.
2218         * configure.ac (HAVE_AS_MFCRF): Add .machine "pwr5" to AIX test.
2219         (HAVE_AS_POPCNTB): New.
2220         * configure: Regenerated.
2221         * config/rs6000/aix.h (TARGET_XL_COMPAT): Delete.
2222         * config/rs6000/rs6000.c (rs6000_override_options, power5): Add
2223         MASK_POPCNTB.  Uncomment rs6000_sched_restricted_insns_priority
2224         and rs6000_sched_costly_dep.
2225         * config/rs6000/rs6000.h (TARGET_POPCNTB): New.
2226         (TARGET_XL_COMPAT): Delete.
2227         * config/rs6000/rs6000.md (UNSPEC_POPCNTB): New.
2228         (popcount<mode>2): New.
2229         (popcntb<mode>2): New.
2230         * config/rs6000/rs6000.opt (mpopcntb): New.
2231
2232         * opt-functions.awk (var_set): Emit OPTION_MASK_ for InverseMask
2233         if variable name exists.
2234
2235 2005-05-07  Matt Kraai  <kraai@ftbfs.org>
2236
2237         * Makefile.in (c-gimplify.o): Depend on $(RTL_H) instead of rtl.h.
2238
2239 2005-05-07  Richard Henderson  <rth@redhat.com>
2240
2241         PR target/21412
2242         * config/rs6000/rs6000.c (rs6000_emit_move): Look for tls addresses
2243         with constant offsets.
2244
2245 2005-05-07  Nathan Sidwell  <nathan@codesourcery.com>
2246
2247         * config/v850/v850.c (print_operand): Use gcc_assert and
2248         gcc_unreachable, as appropriate.
2249         (print_operand_address, v850_handle_data_area_attribute,
2250         v850_encode_data_area, construct_restore_jr, construct_save_jarl,
2251         v850_insert_attributes, construct_prepare_instruction): Likewise.
2252         * config/v850/v850.h (INITIAL_ELIMINATION_OFFSET): Likewise.
2253         * config/v850/v850.md (movsicc, *sasf_1): Likewise.
2254
2255 2005-05-07  Kazu Hirata  <kazu@cs.umass.edu>
2256
2257         * tree-ssa-loop-ivcanon.c, config/i386/i386.c,
2258         config/rs6000/rs6000.h: Fix comment typos.
2259
2260 2005-05-07  Richard Sandiford  <rsandifo@redhat.com>
2261
2262         * doc/invoke.texi: Remove documentation for MIPS' -mint64 option.
2263         * config/mips/mips.c (TARGET_SCALAR_MODE_SUPPORTED_P): Delete.
2264         (mips_scalar_mode_supported_p): Delete.
2265
2266 2005-05-06  Eric Christopher  <echristo@redhat.com>
2267
2268         * config/mips/mips.opt: Remove -mint64 option.
2269         * config/mips/mips.c (override_options): Remove -mint64
2270         handling.
2271         * config/mips/mips.h (INT_TYPE_SIZE): Define to 32.
2272         * config/mips/linux.h (TARGET_OS_CPP_BUILTINS): Remove
2273         64-bit integer handling.
2274         * doc/invoke.texi (Option Summary): Remove -mint64 for
2275         mips.
2276
2277 2005-05-06  Zdenek Dvorak  <dvorakz@suse.cz>
2278
2279         PR tree-optimization/19401
2280         * tree-flow.h (tree_unroll_loops_completely): Declaration changed.
2281         * tree-ssa-loop-ivcanon.c (enum unroll_level): New.
2282         (estimated_unrolled_size): New function.
2283         (try_unroll_loop_completely, canonicalize_loop_induction_variables,
2284         tree_unroll_loops_completely): Always unroll loops if the code size
2285         does not increase.
2286         * tree-ssa-loop.c (tree_complete_unroll): Indicate whether all
2287         loops should be unrolled completely.
2288         (gate_tree_complete_unroll): Run complete unrolling unconditionally.
2289
2290 2005-05-06  Zdenek Dvorak  <dvorakz@suse.cz>
2291
2292         PR rtl-optimization/21254
2293         * loop-iv.c (iv_number_of_iterations): Simplify infiniteness
2294         assumptions for loops that otherwise do not roll.
2295         (find_simple_exit): Prefer # of iterations that is guaranteed
2296         not to be infinite.
2297         * loop-unroll.c (decide_peel_once_rolling,
2298         decide_peel_completely): Check whether the loop is infinite.
2299
2300 2005-05-06  Pat Haugen  <pthaugen@us.ibm.com>
2301
2302         * config/rs6000/sysv4.opt: Fix typo.
2303
2304 2005-05-06  Denis Vlasenko  <vda@port.imtp.ilyichevsk.odessa.ua>
2305             Jakub Jelinek  <jakub@redhat.com>
2306
2307         PR target/21329
2308         * config/i386/i386.c (ix86_expand_movmem): Don't use rep; movsb
2309         for -Os if (movsl;)*(movsw;)?(movsb;)? sequence is shorter.
2310         Don't use rep; movs{l,q} if the repetition count is really small,
2311         instead use a sequence of movs{l,q} instructions.
2312
2313 2005-05-06  Jeff Law  <law@redhat.com>
2314
2315         PR tree-optimization/21380
2316         * tree-ssa-threadupdate.c (thread_through_all_blocks): Do not
2317         thread through a block with no preds.
2318
2319 2005-05-06  Kazu Hirata  <kazu@cs.umass.edu>
2320
2321         * tree-ssa-operands.c (clobbered_v_may_defs, clobbered_vuses,
2322         ro_call_vuse, fini_ssa_operands, add_call_clobber_ops,
2323         add_call_read_ops): Use VEC instead of VARRAY.
2324
2325 2005-05-06  Nathan Sidwell  <nathan@codesourcery.com>
2326
2327         * config/mcore/mcore.c (mcore_print_operand_address): Use
2328         gcc_assert and gcc_unreachable as appropriate.
2329         (mcore_print_operand, mcore_gen_compare_reg, mcore_output_call,
2330         mcore_output_andn, output_inline_const, mcore_output_move,
2331         mcore_output_movedouble, mcore_expand_block_move,
2332         layout_mcore_frame, mcore_initial_elimination_offset,
2333         mcore_expand_prolog, mcore_mark_dllexport,
2334         mcore_mark_dllimport): Likewise.
2335         * config/mcore/mcore.h (switch_to_section): Likewise.
2336         * config/mcore/mcore.md: Likewise.
2337
2338 2005-05-06  Aldy Hernandez  <aldyh@redhat.com>
2339
2340         * config/rs6000/linux64.h: Remove MASK_PROFILE_KERNEL, and
2341         TARGET_PROFILE_KERNEL.
2342
2343         * config/rs6000/rs6000.c (output_profile_hook): Add comment to
2344         TARGET_PROFILE_KERNEL use.
2345
2346 2005-05-06  Nathan Sidwell  <nathan@codesourcery.com>
2347
2348         * config/m32r/m32r.c (m32r_encode_section_info): Use gcc_assert
2349         and gcc_unreachable, as appropriate.
2350         (gen_compare, gen_split_move_double, m32r_setup_incoming_varargs,
2351         m32r_expand_prologue, m32r_output_function_epilogue,
2352         m32r_legitimize_pic_address, m32r_print_operand_address,
2353         emit_cond_move, m32r_function_symbol,
2354         m32r_output_block_move): Likewise.
2355         * config/m32r/m32r.h (INITIAL_ELIMINATION_OFFSET): Likewise.
2356         * config/m32r/m32r.md ( *movsi_insn, *zero_branch_insn,
2357         *rev_zero_branch_insn): Likewise.
2358
2359 2005-05-06  Jakub Jelinek  <jakub@redhat.com>
2360
2361         PR c++/20961
2362         * varasm.c (merge_weak): Remove NEWDECL from WEAK_DECLS chain
2363         if both NEWDECL and OLDDECL are already weak.
2364
2365 2005-05-06  Richard Sandiford  <rsandifo@redhat.com>
2366
2367         * config/rs6000/sysv4.h (EXTRA_SUBTARGET_SWITCHES): Delete.
2368
2369 2005-05-05  J"orn Rennecke  <joern.rennecke@st.com>
2370             Kaz Kojima  <kkojima@gcc.gnu.org>
2371
2372         * config/sh/sh.c (sh_builtin_saveregs): Use copy_to_mode_reg
2373         and plus_constant.
2374
2375 2005-05-05  Aldy Hernandez  <aldyh@redhat.com>
2376             David Edelsohn  <edelsohn@gnu.org>
2377
2378         * config.gcc: Add .opt magic for the rs6000 ports.
2379
2380         * doc/invoke.texi: Document -mabi= option properly.  Document
2381         -misel and -mno-sel.  Document -mspe and -mno-spe.  Document
2382         -mvrsave and -mno-vrsave.  Document deprecation of -mspe= and
2383         -misel=.
2384
2385         * config/rs6000/aix.h: Remove XL_COMPAT stuff.  Remove
2386         SUBTARGET_SWITCHES and SUBSUBTARGET_SWITCHES.  Define
2387         TARGET_XL_COMPAT.
2388
2389         * config/rs6000/aix.opt: New.
2390         * config/rs6000/aix41.opt: New.
2391         * config/rs6000/aix64.opt: New.
2392         * config/rs6000/darwin.opt: New.
2393         * config/rs6000/linux64.opt: New.
2394         * config/rs6000/rs6000.opt: New.
2395         * config/rs6000/sysv4.opt: New.
2396
2397         * config/rs6000/sysv4.h: Delete definitions of MASK_* and
2398         associated TARGET_*.  Remove SUBTARGET_OPTIONS,
2399         SUBTARGET_SWITCHES.
2400         Define TARGET_USES_SYSV4_OPT.
2401         * config/rs6000/aix41.h: Remove SUBSUBTARGET_SWITCHES.
2402         * config/rs6000/aix43.h: Remove SUBSUBTARGET_SWITCHES.  Define
2403         TARGET_USES_AIX64_OPT.
2404         * config/rs6000/aix51.h: Same.
2405         * config/rs6000/aix52.h: Same.
2406         * config/rs6000/darwin.h: Remove SUBTARGET_SWITCHES,
2407         MASK_MACHO_DYNAMIC_NO_PIC, TARGET_MACHO_DYNAMIC_NO_PIC.
2408         Use TARGET_ALTIVEC_VRSAVE instead of rs6000_altivec_vrsave.
2409         Define TARGET_DYNAMIC_NO_PIC as TARGET_MACHO_DYNAMIC_NO_PIC.
2410         * config/rs6000/linux64.h: Use
2411         rs6000_explicit_options.  Remove EXTRA_SUBTARGET_SWITCHES.
2412
2413         * config/rs6000/rs6000.c: Remove definitions of
2414         rs6000_sched_restricted_insns_priority,
2415         rs6000_long_double_size_string, rs6000_altivec_vrsave,
2416         rs6000_altivec_vrsave_string, rs6000_isel, rs6000_spe,
2417         rs6000_float_gprs_string, rs6000_isel_string, rs6000_spe_string,
2418         rs6000_abi_string, rs6000_warn_altivec_long, rs6000_longcall,
2419         rs6000_alignment_string.  Define rs6000_explicit_options.
2420         (rs6000_parse_abi_options): Remove.
2421         (rs6000_parse_alignment_option): Remove.
2422         (rs6000_parse_float_gprs_option): Remove.
2423         (rs6000_handle_option): New.  Define TARGET_HANDLE_OPTION.  Define
2424         TARGET_DEFAULT_TARGET_FLAGS.
2425         (rs6000_override_options): Revamp to use new .opt machinery.
2426
2427         * config/rs6000/rs6000.h: Remove old MASK_* and TARGET_* in favor
2428         of new .opt machinery.  Remove target_flags.  Redefine
2429         TARGET_MFCRF and TARGET_POWERPC64.  Remove TARGET_SWITCHES,
2430         SUBTARGET_SWITCHES, TARGET_OPTIONS, SUBTARGET_OPTIONS,
2431         rs6000_float_gprs_string, rs6000_isel_string, rs6000_spe_string,
2432         rs6000_altivec_vrsave_string, rs6000_altivec_vrsave,
2433         rs6000_longcall_switch, rs6000_default_long_calls,
2434         rs6000_sched_costly_dep_str, rs6000_sched_costly_dep,
2435         rs6000_warn_altivec_long, rs6000_warn_altivec_long_switch, and
2436         TARGET_ALTIVEC_VRSAVE.
2437
2438 2005-05-05  Ralf Corsepius  <ralf.corsepius@rtems.org>
2439
2440         * config.gcc (hppa1.1-*-rtems*): Remove.
2441         * config/pa/rtems.h: Remove.
2442
2443 2005-05-05  Ralf Corsepius  <ralf.corsepius@rtems.org>
2444
2445         * config/rs6000/t-rtems (MULTILIB_NEW_EXCEPTIONS_ONLY):
2446         Exclude roe/603e multilib variants.
2447
2448 2005-05-04  Denis Chertykov  <denisc@overta.ru>
2449
2450         PR target/21284
2451         * config/avr/avr.c (avr_output_addr_vec_elt): Use special section
2452         for output.
2453
2454 2005-05-05  Richard Sandiford  <rsandifo@redhat.com>
2455
2456         * config.gcc (arm*-wince-pe*, arm-*-pe*, strongarm-*-pe): Add
2457         arm/pe.opt to $extra_options.
2458         * config/arm/arm.h (target_flags, target_fpu_name, target_fpe_name)
2459         (target_float_abi_name, target_float_switch, target_abi_name)
2460         (ARM_FLAG_APCS_FRAME, ARM_FLAG_POKE, ARM_FLAG_FPE, ARM_FLAG_APCS_STACK)
2461         (ARM_FLAG_APCS_FLOAT, ARM_FLAG_APCS_REENT, ARM_FLAG_BIG_END)
2462         (ARM_FLAG_INTERWORK, ARM_FLAG_LITTLE_WORDS, ARM_FLAG_NO_SCHED_PRO)
2463         (ARM_FLAG_ABORT_NORETURN, ARM_FLAG_SINGLE_PIC_BASE)
2464         (ARM_FLAG_LONG_CALLS, ARM_FLAG_THUMB, THUMB_FLAG_BACKTRACE)
2465         (THUMB_FLAG_LEAF_BACKTRACE, THUMB_FLAG_CALLEE_SUPER_INTERWORKING)
2466         (THUMB_FLAG_CALLER_SUPER_INTERWORKING, CIRRUS_FIX_INVALID_INSNS)
2467         (TARGET_APCS_FRAME, TARGET_POKE_FUNCTION_NAME, TARGET_FPE)
2468         (TARGET_APCS_STACK, TARGET_APCS_FLOAT, TARGET_APCS_REENT)
2469         (TARGET_BIG_END, TARGET_INTERWORK, TARGET_LITTLE_WORDS)
2470         (TARGET_NO_SCHED_PRO, TARGET_ABORT_NORETURN, TARGET_SINGLE_PIC_BASE)
2471         (TARGET_LONG_CALLS, TARGET_THUMB, TARGET_CALLER_INTERWORKING)
2472         (TARGET_CIRRUS_FIX_INVALID_INSNS, SUBTARGET_SWITCHES, TARGET_SWITCHES)
2473         (TARGET_OPTIONS, arm_cpu_select, arm_select,  structure_size_string)
2474         (arm_pic_register_string): Delete.
2475         (TARGET_BACKTRACE): Redefine using TARGET_TPCS_LEAF_FRAME and
2476         TARGET_TPCS_FRAME.
2477         (TARGET_DEFAULT, CONDITIONAL_REGISTER_USAGE): Update mask names.
2478         * config/arm/coff.h (TARGET_DEFAULT): Likewise.
2479         * config/arm/elf.h (TARGET_DEFAULT): Likewise.
2480         * config/arm/netbsd-elf.h (TARGET_DEFAULT): Likewise.
2481         * config/arm/netbsd.h (TARGET_DEFAULT): Likewise.
2482         * config/arm/semi.h (TARGET_DEFAULT): Likewise.
2483         * config/arm/uclinux-elf.h (TARGET_DEFAULT): Likewise.
2484         * config/arm/wince-pe.h (TARGET_DEFAULT): Likewise.
2485         * config/arm/pe.h (TARGET_DEFAULT): Likewise.
2486         (TARGET_FLAG_NOP_FUN, TARGET_NOP_FUN_DLLIMPORT): Delete.
2487         (SUBTARGET_SWITCHES): Delete.
2488         * config/arm/arm.c (target_float_switch): Delete.
2489         (arm_cpu_select): Moved from config/arm/arm.h.
2490         (target_fpu_name, target_fpe_name, target_float_abi_name)
2491         (target_abi_name, structure_size_string, arm_pic_register_string)
2492         (arm_select): Make static.
2493         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
2494         (arm_handle_option): New function.
2495         (arm_override_options): Update target_flags checks for new mask names.
2496         Remove target_float_switch code.
2497         (arm_expand_prologue, thumb_expand_prologue): Check
2498         !TARGET_SCHED_PROLOG instead of TARGET_NO_SCHED_PRO.
2499         * config/arm/arm.opt, config/arm/pe.opt: New files.
2500
2501 2005-05-05  Nathan Sidwell  <nathan@codesourcery.com>
2502
2503         * config/arc/arc.c (get_arc_condition_code): Use gcc_assert &
2504         gcc_unreachable as appropriate.
2505         (arc_double_limm_p, arc_setup_incoming_varargs,
2506         arc_compute_function_type, arc_output_function_prologue,
2507         arc_output_function_epilogue, arc_eligible_for_epilogue_delay,
2508         output_shift, arc_print_operand, arc_print_operand_address,
2509         arc_final_prescan_insn): Likewise.
2510         * config/arc/arc.md (*movdi_insn, *movdf_insn): Likewise.
2511
2512 2005-05-04  Geoffrey Keating  <geoffk@apple.com>
2513
2514         * config/rs6000/rs6000.md (P): Use TARGET_*BIT rather than
2515         comparing Pmode.
2516         (SDI): New.
2517         (cmp): Delete.
2518         (wd): New.
2519         (add<mode>3, add<mode>3_internal1, add<mode>3_internal2,
2520         add<mode>3_internal3, one_cmpl<mode>2, sub<mode>3, neg<mode>2,
2521         clz<mode>2, ctz<mode>2, ffs<mode>2): New.
2522         (addsi3, addsi3_internal1, addsi3_internal2, addsi3_internal3,
2523         (one_cmplsi2, subsi3, negsi2, clzsi2, ctzsi2, ffssi2): Remove.
2524         (adddi3, adddi3_internal1, adddi3_internal2, adddi3_internal3,
2525         (one_cmpldi2, subdi3, negdi2, clzdi2, ctzdi2, ffsdi2): Remove.
2526         (sync_compare_and_swap<mode>): Use <wd> rather than <cmp>.
2527
2528 2005-05-05  Paul Brook  <paul@codesourcery.com>
2529
2530         * Makefile.in: Replace dependencies on basic-block.h, c-pragma.h,
2531         cfgloop.h, diagnostic.h, insn-attr.h, langhooks-def.h, params.h,
2532         regs.h, system.h, tree-dump.h, tree-gimple.h, tree-scalar-evolution.h
2533         and tree-data-ref.h with *_H variables.
2534
2535 2005-05-05  Kelley Cook  <kcook@gcc.gnu.org>
2536
2537         * config/m32r/xm-m32r.h, config/m32r/xm-linux.h: Delete files.
2538
2539 2005-05-05  Kelley Cook  <kcook@gcc.gnu.org>
2540
2541         * system.h: Poison BYTEORDER and HOST_WORDS_BIG_ENDIAN.
2542
2543 2005-05-04  Gerald Pfeifer  <gerald@pfeifer.com>
2544
2545         * doc/contrib.texi (Contributors): Add Mostafa Hagog and Ayal Zaks.
2546
2547 2005-05-04 Fariborz Jahanian <fjahanian@apple.com>
2548
2549         * config/rs6000/rs6000.c (rs6000_emit_prologue): Emit
2550         setting of vrsave register for current function after
2551         call to save_world is emitted.
2552
2553 2005-05-05  Hans-Peter Nilsson  <hp@bitrange.com>
2554
2555         * config/mmix/predicates.md: New file.
2556         * config/mmix/mmix.c (mmix_symbolic_or_address_operand)
2557         (mmix_reg_or_constant_operand, mmix_reg_cc_operand)
2558         (mmix_foldable_comparison_operator, mmix_comparison_operator)
2559         (mmix_reg_or_0_operand, mmix_reg_or_8bit_operand): Remove.
2560         * config/mmix/mmix.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
2561         Don't define.
2562         * config/mmix/mmix.md: Include predicates.md.
2563         ("call", "call_value"): Force address to register if it isn't a
2564         mmix_symbolic_or_address_operand.
2565
2566 2005-05-04  Andrew MacLeod  <amacleod@redhat.com>
2567
2568         * tree-flow-inline.h (op_iter_init_use, op_iter_init_def): Assert that
2569         the flags are of appropriate types.
2570         (num_ssa_operands): Generalize using the generic interface.
2571         * tree-ssa-dce.c (remove_dead_stmt): Don't ask for kills on a DEF
2572         iterator.
2573
2574 2005-05-04  Richard Sandiford  <rsandifo@redhat.com>
2575
2576         * protoize.c (version_flag, quiet_flag, nochange_flag, nosave_flag)
2577         (keep_flag, local_flag, global_flag, cplusplus_flag): Make extern.
2578
2579 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
2580
2581         * tree-outof-ssa.c (edge_leader, stmt_list,
2582         analyze_edges_for_bb): Use VEC instead of VARRAY.
2583         (init_analayze_edges_for_bb, fini_analayze_edges_for_bb): New.
2584         (perform_edge_inserts): Call init_analayze_edges_for_bb and
2585         fini_analayze_edges_for_bb.
2586
2587 2005-05-04  James E Wilson  <wilson@specifixinc.com>
2588
2589         PR driver/21112
2590         * gcc.c (process_command): In the second argv scan loop, ignore
2591         Xassembler and Xpreprocessor, along with their argument.
2592
2593 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
2594
2595         * tree-flow-inline.h, tree-ssa-operands.c,
2596         tree-ssa-operands.h, tree-ssa-opfinalize.h:
2597         Likewise. tree-vn.c: Fix comment typos.
2598         * doc/passes.texi, doc/tree-ssa.texi: Fix typos.
2599
2600 2005-05-04  Paolo Bonzini  <bonzini@gnu.org>
2601
2602         * doc/tm.texi (Target Hooks): Document
2603         TARGET_RESOLVE_OVERLOADED_BUILTIN.
2604
2605 2005-05-04  Paul Brook  <paul@codesourcery.com>
2606
2607         * Makefile.in: Change dependencies on target.h to $(TARGET_H).
2608
2609 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
2610
2611         * dwarf2out.c (incomplete_types, retry_incomplete_types,
2612         gen_struct_or_union_type_die, dwarf2out_init): Use VEC instead
2613         of VARRAY.
2614
2615         * loop-unroll.c (var_to_expand, analyze_insn_to_expand_var,
2616         get_expansion, expand_var_during_unrolling,
2617         insert_var_expansion_initialization,
2618         combine_var_copies_in_loop_exit, release_var_copies): Use VEC
2619         instead of VARRAY.
2620
2621         * tree-ssa-loop-ivopts.c (rewrite_address_base): Don't call
2622         update_stmt.
2623
2624 2004-05-03  Andrew Pinski  <pinskia@physics.uc.edu>
2625
2626         PR middle-end/15618
2627         * fold-const.c (fold_widened_comparison): Treat BOOLEAN_TYPE
2628         the same as INTEGER_TYPE.
2629         (fold_binary): Fold "bool_var != 0" to bool_var.
2630         Fold "bool_var == 1" to bool_var.
2631
2632 2004-05-03  Richard Henderson  <rth@redhat.com>
2633
2634         PR middle-end/21318
2635         * function.c (instantiate_virtual_regs_in_insn): Use the mode
2636         from recog_data instead of insn_data.
2637
2638 2005-05-03  DJ Delorie  <dj@redhat.com>
2639
2640         * common.opt (fdiagnostics-show-option): No variable is needed.
2641         * diagnostic.h (diagnostic_context): Add show_option_requested flag.
2642         * diagnostic.c (diagnostic_initialize): Initialize show_option_requested.
2643         (diagnostic_report_diagnostic): Test for enabled diagnostics here.
2644         Save and restore original message format.  Use flag in context
2645         instead of global.
2646         (warning): Don't test for enabled warnings here.
2647         * opts.c (common_handle_option): Handle -fdiagnostics-show-option
2648         here.
2649
2650 2005-05-04  Kelley Cook  <kcook@gcc.gnu.org>
2651
2652         * config/m32r/xm-m32r.h: Don't define HOST_WORDS_BIG_ENDIAN.
2653         * config/m32r/xm-linux.h: Don't undefine HOST_WORDS_BIG_ENDIAN.
2654         * mips-tfile.c: Use WORDS_BIG_ENDIAN instead of HOST_WORDS_BIG_ENDIAN.
2655         * aclocal.m4: Don't include accross.m4.
2656         * configure.ac: Use AC_C_BIGENDIAN instead of AC_C_BIGENDIAN_CROSS.
2657         Use AC_CHECK_SIZEOF instead of AC_COMPILE_CHECK_SIZEOF.
2658         * configure, config.in: Regenerate.
2659
2660 2005-05-04  Jakub Jelinek  <jakub@redhat.com>
2661
2662         PR middle-end/21265
2663         * expr.h (enum block_op_methods): Add BLOCK_OP_TAILCALL.
2664         (clear_storage): Add argument.
2665         * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall):
2666         Add tailcall argument, set CALL_EXPR_TAILCALL of the CALL_EXPR to
2667         tailcall.
2668         (emit_block_move): Handle BLOCK_OP_TAILCALL method.
2669         (clear_storage): Add method argument, handle BLOCK_OP_TAILCALL.
2670         (store_expr, store_constructor): Adjust callers.
2671         * builtins.c (expand_builtin_memcpy): Pass BLOCK_OP_TAILCALL
2672         to emit_block_move if CALL_EXPR_TAILCALL (exp).
2673         (expand_builtin_memmove): Add ORIG_EXP argument, copy
2674         CALL_EXPR_TAILCALL from ORIG_EXP to the new CALL_EXPR.
2675         (expand_builtin_bcopy): Replace ARGLIST and TYPE arguments
2676         with EXP.  Pass EXP to expand_builtin_memmove.
2677         (expand_builtin_memset): Add ORIG_EXP argument, pass
2678         BLOCK_OP_TAILCALL to clear_storage if CALL_EXPR_TAILCALL (orig_exp).
2679         (expand_builtin_bzero): Replace ARGLIST argument with EXP.
2680         Pass EXP to expand_builtin_memset.
2681         (expand_builtin_strcmp): Copy CALL_EXPR_TAILCALL from EXP to
2682         the new CALL_EXPR.
2683         (expand_builtin_strncmp): Likewise.
2684         (expand_builtin_printf): Replace ARGLIST argument with EXP.
2685         Copy CALL_EXPR_TAILCALL from EXP to the new CALL_EXPR.
2686         (expand_builtin_fprintf): Likewise.
2687         (expand_builtin): Adjust calls to
2688         expand_builtin_{memmove,bcopy,memset,bzero,{,f}printf}.
2689
2690         * config/i386/i386.c (ix86_expand_vector_set): Fix setting 3rd and 4th
2691         item in V4SF mode.
2692
2693         PR rtl-optimization/21239
2694         * combine.c (combine_simplify_rtx) <case VEC_SELECT>: Fix a typo.
2695
2696 2005-05-03  Kazu Hirata  <kazu@cs.umass.edu>
2697
2698         * tree-flow.h (tree_ann_common_d): Move aux to ...
2699         (stmt_ann_d): ... here.
2700         * tree-ssa-loop-im.c (LIM_DATA, determine_invariantness_stmt,
2701         move_computations_stmt, schedule_sm): Update references to
2702         aux.
2703         * tree-vectorizer.h (set_stmt_info, vinfo_for_stmt): Likewise.
2704
2705         * tree-cfg.c (remove_bb): Remove a redundant call to
2706         set_bb_for_stmt.
2707         * tree-if-conv.c (replace_phi_with_cond_modify_expr):
2708         Likewise.
2709
2710 2005-05-03  Richard Henderson  <rth@redhat.com>
2711
2712         * config/rs6000/rs6000.c: Remove conflict markers.
2713
2714         * cfg.c (dump_flow_info): Use max_reg_num, not max_regno.
2715
2716 2005-05-03  James E Wilson  <wilson@specifixinc.com>
2717
2718         * dwarf2out.c (lookup_filename): Call maybe_emit_file.
2719
2720 2005-05-03  DJ Delorie  <dj@redhat.com>
2721
2722         * c-decl.c (store_parm_decls_oldstyle): Let diagnostic machinery
2723         decide if the warning will be printed.
2724         * calls.c (expand_call): Likewise.
2725         * function.c (init-function_start): Likewise.
2726
2727         * common.opt (-fdiagnostics-show-option): New.
2728         * opts.c (option_enabled): Accept the option index instead of a
2729         pointer to the option descriptor.
2730         * opts.h (option_enabled): Likewise.
2731         * toplev.c (print_switch_values): Pass option index, not option
2732         descriptor.
2733         * diagnostic.h (diagnostic_info): Add option_index.
2734         * diagnostic.c: Include opts.h.
2735         (diagnostic_set_info): Initialize option_index.
2736         (diagnostic_report_diagnostic): Amend option name if appropriate.
2737         (warning): Check to see if the specified warning is enabled.
2738         Store option index.
2739         * doc/invoke.texi (-fdiagnostics-show-options): Document.
2740
2741 2005-05-03  Richard Henderson  <rth@redhat.com>
2742
2743         * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Fix ALL_REGS and
2744         SPEC_OR_GEN_REGS definitions.
2745
2746 2005-05-03  Alexandre Oliva  <aoliva@redhat.com>
2747
2748         PR target/16888
2749         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Clear reg names
2750         for unavailable registers.
2751
2752 2005-05-03  Kazu Hirata  <kazu@cs.umass.edu>
2753
2754         * tree-cfg.c (tree_forwarder_block_p): Fix a typo.
2755
2756         * cfglayout.c (block_locators_blocks,
2757         insn_locators_initialize, insn_scope): Use VEC instead of
2758         VARRAY.
2759
2760         * tree-mudflap.c (deferred_static_decls, mudflap_enqueue_decl,
2761         mudflap_finish_file, mudflap_finish_file): Use VEC instead of
2762         VARRAY.
2763
2764 2005-05-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
2765
2766         * config/sparc/predicates.md (const_compl_high_operand): New.
2767         * config/sparc/sparc.c (sparc_emit_set_safe_HIGH64): Rename into
2768         gen_safe_HIGH64.
2769         (sparc_emit_set_const64_quick1): Adjust for above change.
2770         (sparc_emit_set_const64_quick2): Likewise.
2771         (sparc_emit_set_const64_longway): Likewise.
2772         (sparc_emit_set_const64): Likewise.
2773         * config/sparc/sparc.md (movhi_const64_special, movsi_const64_special,
2774         movdi_const64_special): Delete.
2775         (logical constant splitters): Use const_compl_high_operand.
2776
2777 2005-05-03  Richard Guenther  <rguenth@gcc.gnu.org>
2778
2779         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Use STRIP_TYPE_NOPS
2780         rather than STRIP_NOPS.
2781
2782 2005-05-03  Jakub Jelinek  <jakub@redhat.com>
2783
2784         PR rtl-optimization/21330
2785         * loop-unswitch.c (may_unswitch_on): Set *cinsn only when
2786         returning non-NULL.
2787         (unswitch_single_loop): Clear cinsn when retrying.
2788
2789         PR target/21297
2790         * config/i386/i386.c (legitimize_address): When canonicalizing
2791         ASHIFT into MULT, multiply by 1 << shift_count instead of
2792         1 << log2 (shift_count).
2793
2794 2005-05-03  Andrew MacLeod  <amacleod@redhat.com>
2795
2796         * lambda-code.c (gcc_loop_to_lambda_loop,
2797         lambda_loopnest_to_gcc_loopnest, phi_loop_edge_uses_def,
2798         stmt_is_bumper_for_loop, perfect_nest_p, replace_uses_of_x_with_y): Use
2799         generic operand interface.
2800         * tree-data-ref.c (find_data_references_in_loop): Use generic interface.
2801         * tree-dfa.c (collect_dfa_stats_r, mark_new_vars_to_rename): Use
2802         generic operand interface.
2803         * tree-flow-inline.h (delink_imm_use, link_imm_use_to_list,
2804         link_imm_use, link_imm_use_stmt, relink_imm_use, relink_imm_use_stmt,
2805         next_safe_imm_use, has_zero_uses, has_single_use, single_imm_use,
2806         num_imm_uses): Use ssa_use_operand_t.
2807         (get_def_ops, get_use_ops, get_v_may_def_ops, get_vuse_ops,
2808         get_v_must_def_ops): Delete.
2809         (get_def_from_ptr, get_phi_result_ptr): Get def directly now.
2810         (get_use_op_ptr, get_def_op_ptr, get_v_may_def_result_ptr,
2811         get_v_may_def_op_ptr, get_vuse_op_ptr, get_v_must_def_result_ptr,
2812         get_v_must_def_kill_ptr): Delete.
2813         (delink_stmt_imm_use): Move and use new operand interface.
2814         (op_iter_next_use, op_iter_next_def, op_iter_next_tree, op_iter_init,
2815         op_iter_next_tree): Use new operand implementation.
2816         (clear_and_done_ssa_iter): New.  Initialize a blank operand iterator.
2817         (op_iter_init_use, op_iter_init_def, op_iter_init_tree): Add iterator
2818         type check.
2819         (op_iter_next_mustdef, op_iter_next_maydef,
2820         op_iter_next_must_and_may_def): Delete. Replace with...
2821         (op_iter_next_maymustdef): New.  Combine must and may next operations.
2822         (op_iter_init_maydef, op_iter_init_mustdef,
2823         op_iter_init_must_and_may_def): Use new interface.
2824         (single_ssa_tree_operand ): New.  Process single operands only as trees.
2825         (single_ssa_use_operand): New.  Process single operands only as uses.
2826         (single_ssa_def_operand): New.  Process single operands only as defs.
2827         (zero_ssa_operands): New.  Return TRUE if there are zero operands of the
2828         specified types.
2829         (num_ssa_operands): New.  Count the number of specified operands.
2830         (compare_ssa_operands_equal): New.  Compare two statements' operands.
2831         (single_phi_def): New.  Return true if PHI has one def of the specified
2832         operand type.
2833         (op_iter_init_phiuse): New.  Initialize the iterator for PHI arguments.
2834         (op_iter_init_phidef): New.  Initialize the iterator for the PHI def.
2835         * tree-flow.h (struct immediate_use_iterator_d): Use ssa_use_operand_t.
2836         (struct stmt_ann_d): Operands field no longer require GTY().
2837         (vn_compute, vn_lookup_or_add, vn_add, vn_lookup): Change prototype.
2838         * tree-into-ssa.c (mark_def_sites): Use SSA_OP_VMUSTKILL.
2839         * tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb,
2840         dump_replaceable_exprs, rewrite_trees): Use generic interface.
2841         * tree-phinodes.c (make_phi_node, release_phi_node, resize_phi_node):
2842         Use use_operand_p instead of ssa_imm_use_t *.
2843         * tree-pretty-print.c (dump_vops): check if operands are active before
2844         dumping virtual operands.
2845         * tree-sra.c (sra_walk_function): Use ZERO_SSA_OPERANDS.
2846         * tree-ssa-ccp.c (likely_value): Use ZERO_SSA_OPERANDS.
2847         (ccp_fold): Use new interface.
2848         (ccp_visit_stmt): Remove unused variables and code.
2849         (convert_to_gimple_builtin): Insert statements before calling
2850         mark_new_vars_to_rename.
2851         * tree-ssa-copy.c (stmt_may_generate_copy): Use ZERO_SSA_OPERANDS.
2852         (copy_prop_visit_cond_stmt): Use generic interface.
2853         * tree-ssa-dom.c (struct expr_hash_elt): Use stmt pointer, not the
2854         annotation in table.
2855         (thread_across_edge): Use generic interface.
2856         (initialize_hash_element): Initialzie with stmt, not annotation.
2857         (eliminate_redundant_computations): Use generic interface.
2858         (record_equivalences_from_stmt): Pass stmt, not annotation.
2859         (avail_expr_hash, real_avail_expr_hash, avail_expr_eq): Use generic
2860         interface.
2861         * tree-ssa-dse.c (dse_optimize_stmt): Use ZERO_SSA_OPERANDS.
2862         * tree-ssa-loop-ivopts.c (find_invariants_stmt,
2863         find_interesting_uses_stmt, protect_loop_closed_ssa_form_use): Use
2864         generic operand interface.
2865         * tree-ssa-loop-niter.c (chain_of_csts_start, get_val_for): Use generic
2866         interface.
2867         * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Use Generic operand
2868         Interface.
2869         * tree-ssa-operands.c (struct opbuild_list_d): New.  Operand build type.
2870         (build_defs, build_uses, build_v_may_defs, build_vuses,
2871         build_v_must_defs): Change type to struct opbuild_list_d.
2872         (ops_active): New.  Operands active boolean.
2873         (operand_memory, operand_memory_index): New.  Operand memory managers.
2874         (allocate_def_optype, allocate_use_optype, allocate_v_may_def_optype,
2875         allocate_vuse_optype, allocate_v_must_def_optype): Delete.
2876         (free_uses, free_defs, free_vuses, free_v_may_defs, free_v_must_defs):
2877         Change from functions to static variable list heads.
2878         (opbuild_initialize_virtual): New.  Initialize a virtual build list.
2879         (opbuild_initialize_real): New.  Initialize a virtual build list.
2880         (opbuild_free): New.  Free a build list.
2881         (opbuild_num_elems): New.  Number of items in a list.
2882         (opbuild_append_real): New.  Add a real (tree *) operand.
2883         (opbuild_append_virtual): New.  Add and sort a virtual (tree) operand.
2884         (opbuild_first): New.  Return first element index in a list.
2885         (opbuild_next): New.  Return next element in a list.
2886         (opbuild_elem_real): New.  Return real element.
2887         (opbuild_elem_virtual): New.  Return virtual element.
2888         (opbuild_elem_uid): New.  Return UID of virtual element.
2889         (opbuild_clear): New.  Reset an operand list.
2890         (opbuild_remove_elem): New.  Remove an element form a list.
2891         (ssa_operands_active): New.  Return true if operand cache is active.
2892         (init_ssa_operands, fini_ssa_operands): Initialize new implementation.
2893         (ssa_operand_alloc): New.  Allocate memory from an operand chunk.
2894         (correct_use_link): Use use_operand_p.
2895         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_defs,
2896         finalize_ssa_vuses, finalize_ssa_v_must_defs): New implmentation.
2897         (cleanup_v_may_defs): Use new implmentation.
2898         (finalize_ssa_stmt_operands, start_ssa_stmt_operands): New
2899         implementation.
2900         (append_def, append_use, append_v_may_def, append_vuse,
2901         append_v_must_def): Call opbuild_append routine instead of using varray.
2902         (build_ssa_operands): Simplify to simply use stmt, don't maintain a
2903         global parse_old_ops variable.
2904         (free_ssa_operands): New implementation.
2905         (update_stmt_operands): Move.  Change argument to build_ssa_operands.
2906         (copy_virtual_operands): Move. New generic implementation.
2907         (create_ssa_artficial_load_stmt): Move. New implementation.
2908         (swap_tree_operands): Update for new implementation.
2909         (get_expr_operands): Add stmt parameter to calls to swap_tree_operands.
2910         (add_call_clobber_ops, add_call_read_ops): Initialize opbuild list
2911         rather than a varray.
2912         (verify_imm_links): Use use_operand_p.
2913         (dump_immediate_uses_for): If the immediate use variable is a virtual
2914         variable, show the virtual ops in the stmt.
2915         * tree-ssa-operands.h (def_operand_p): No longer a structure.
2916         (NULL_DEF_OPERAND_P): Now a #define.
2917         (def_optype_d, use_optype_d, v_def_use_operand_type, v_may_def_optype_d,
2918         vuse_operand_type, vuse_optype_d, v_must_def_optype_d): Delete.
2919         (def_optype_d, use_optype_d, maydef_optype_d, vuse_optype_d,
2920         mustdef_optype_d): New.  Use Linked list representation.
2921         (SSA_OPERAND_MEMORY_SIZE): New.  Size of operand memory chunk.
2922         (struct ssa_operand_memory_d): New.  Allocated Chunk node.
2923         (struct stmt_operands_d): Change to new pointers that are not GTY.
2924         (STMT_USE_OPS, NUM_USES, SET_USE_OP, STMT_DEF_OPS, NUM_DEFS, SET_DEF_OP,
2925         STMT_V_MAY_DEF_OPS, NUM_V_MAY_DEFS, SET_V_MAY_DEF_RESULT,
2926         SET_V_MAY_DEF_OP, STMT_VUSE_OPS, NUM_VUSES, SET_VUSE_OP,
2927         STMT_V_MUST_DEF_OPS, NUM_V_MUST_DEFS, SET_V_MUST_DEF_RESULT,
2928         SET_V_MUST_DEF_KILL): Delete.
2929         (V_MAY_DEF_OPS, V_MAY_DEF_RESULT_PTR, V_MAY_DEF_RESULT,
2930         V_MAY_DEF_OP_PTR, V_MAY_DEF_OP): Rename to MAYDEF_*.
2931         (V_MUST_DEF_OPS, V_MUST_DEF_RESULT_PTR, V_MUST_DEF_RESULT,
2932         V_MUST_DEF_KILL_PTR, V_MUST_DEF_KILL): Rename to MUSTDEF_*.
2933         (enum ssa_op_iter_type): Operand iterator typechecking values.
2934         (struct ssa_operand_iterator_d): Use linked lists of operands.
2935         (SSA_OP_VMUSTDEFKILL): Rename to SSA_OP_VMUSTKILL.
2936         (FOR_EACH_SSA_MAYDEF_OPERAND, FOR_EACH_SSA_MUSTDEF_OPERAND,
2937         FOR_EACH_SSA_MUST_AND_MAY_DEF_OPERAND): Use op_iter_next_maymustdef.
2938         (FOR_EACH_PHI_ARG): New.  Iterate over PHI arguments.
2939         (FOR_EACH_PHI_OR_STMT_USE): New.  Iterate over PHI or stmt uses.
2940         (FOR_EACH_PHI_OR_STMT_DEF): New.  Iterate over PHI or stmt defs.
2941         (SINGLE_SSA_TREE_OPERAND, SINGLE_SSA_USE_OPERAND,
2942         SINGLE_SSA_DEF_OPERAND, ZERO_SSA_OPERANDS, NUM_SSA_OPERANDS): New.
2943         * tree-ssa-opfinalize.h: New.  Function templates for expansion.
2944         (FINALIZE_ALLOC): Expands into alloc_def, alloc_use, alloc_maydef,
2945         alloc_vuse, and alloc_mustdef.
2946         (FINALIZE_FUNC): Expands into finalize_ssa_def_ops,
2947         finalize_ssa_use_ops, finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
2948         and finalize_ssa_v_must_def_ops.
2949         * tree-ssa-pre.c (add_to_sets): Pass tree to vn_add.
2950         (create_value_expr_from): Use stmt not vuse_optype as a parameter. Pass
2951         stmt around.
2952         (compute_avail): Use generic iterator interface.
2953         * tree-ssa-propagate.c (first_vdef): Use generic operand interface.
2954         (stmt_makes_single_load, stmt_makes_single_store): Use
2955         ZERO_SSA_OPERANDS.
2956         * tree-ssa-sink.c (is_hidden_global_store): Use ZERO_SSA_OPERANDS.
2957         (statement_sink_location): Use generic interface.
2958         * tree-ssa.c (verify_ssa):  Use %p in fprintf.  Use generic interface.
2959         (delete_tree_ssa): Don't call release_defs.  Call release_ssa_name and
2960         reset the immediate use link nodes.
2961         (stmt_references_memory_p): Use ZERO_SSA_OPERANDS.
2962         * tree-ssanames.c (make_ssa_name): Use use_operand_p.
2963         * tree-tailcall.c (find_tail_calls): Use ZERO_SSA_OPERANDS.
2964         (eliminate_tail_call): Use generic operand interface.
2965         * tree-vect-analyze.c (vect_analyze_data_refs): Use ZERO_SSA_OPERANDS.
2966         (vect_mark_relevant, vect_mark_stmts_to_be_vectorized): Use generic
2967         interface.
2968         * tree-vect-transform.c (update_vuses_to_preheader): Use generic
2969         interface.
2970         * tree-vectorizer.c (rename_variables_in_bb): Use generic interface.
2971         * tree-vn.c (struct val_expr_pair_d): Cache statment pointer instead of
2972         vuse_optype.
2973         (vn_compute, val_expr_pair_hash, vn_add, vn_lookup, vn_lookup_or_add):
2974         Use statement pointer instead of vuse_optype.  Use generic interface.
2975         * tree-vrp.c (maybe_add_assert_expr): Use generic interface.
2976         (stmt_interesting_for_vrp, vrp_visit_stmt): Use ZERO_SSA_OPERANDS.
2977         * tree.h (struct ssa_imm_use_d): Renamed to ssa_use_operand_d.
2978         (tree_ssa_name, phi_arg_d): Use ssa_use_operand_d.
2979         * doc/tree-ssa.texi: Update documentation for operand interface.
2980
2981 2005-05-03  Nathan Sidwell  <nathan@codesourcery.com>
2982
2983         * config/darwin.c (machopic_define_symbol): Use gcc_assert or
2984         gcc_unreachable as appropriate.
2985         (machopic_function_base_name, machopic_indirect_data_reference,
2986         machopic_legitimize_pic_address, darwin_non_lazy_pcrel): Likewise.
2987         * config/host-darwin.c (darwin_gt_pch_use_address): Likewise
2988         * config/rs6000/altivec.md (*mov<mode>_internal,
2989         build_vector_mask_for_load): Likewise.
2990         * config/rs6000/darwin.md (movdf_low_si, movdf_low_di,
2991         *call_nonlocal_darwin64, *call_value_nonlocal_darwin64,
2992         *sibcall_symbolic_64, *sibcall_value_symbolic_64): Likewise.
2993         * config/rs6000/predicates.md (easy_fp_constant,
2994         logical_operand): Likewise.
2995         * config/rs6000/rs6000.c (spe_expand_predicate_builtin,
2996         compute_save_world_info, rs6000_emit_prologue,
2997         rs6000_output_mi_thunk): Reword comments to avoid 'abort'.
2998         * config/rs6000/host-darwin.c (segv_handler): Use fancy_abort
2999         directly.
3000
3001 2005-05-03  Uros Bizjak  <uros@kss-loka.si>
3002
3003         PR middle-end/21282
3004         * convert.c (convert_to_integer): Convert ceil and floor in
3005         c99 mode only.
3006
3007 2005-04-29  Geoffrey Keating  <geoffk@apple.com>
3008
3009         PR target/20813
3010         * config/rs6000/rs6000.md (floatsidf2_internal): Merge to create
3011         define_insn_and_split.  Split only when memory operand is
3012         offsettable.  Use adjust_address rather than plus_constant.
3013         (floatunssidf2_internal): Likewise.
3014         (fix_truncdfsi2_internal): Split only when memory operand is
3015         offsettable.  Use adjust_address rather than plus_constant.
3016         (fix_trunctfsi2_internal): Likewise.
3017         (floatsidf2_internal): Likewise.
3018
3019 2005-05-02  Diego Novillo  <dnovillo@redhat.com>
3020
3021         * tree-vrp.c (set_value_range_to_nonnull): Declare inline.
3022         (set_value_range_to_null): Likewise.
3023         (set_value_range_to_varying): New function.  Use it in all
3024         call sites that used to call set_value_range (vr, VR_VARYING, ...).
3025         (extract_range_from_assert): If the integral type has a
3026         super-type, and LIMIT is not within MIN and MAX values of that
3027         type, set the resulting range to VR_VARYING.
3028
3029 2005-05-02  Hans-Peter Nilsson  <hp@bitrange.com>
3030
3031         * config/mmix/mmix.opt: New file.
3032         * config/mmix/mmix.h: Move options-related comments to mmix.opt.
3033         (mmix_cc1_ignored_option): Don't declare.
3034         (TARGET_OPTIONS, TARGET_MASK_LIBFUNCS, TARGET_MASK_ABI_GNU)
3035         (TARGET_MASK_FCMP_EPSILON, TARGET_MASK_ZERO_EXTEND)
3036         (TARGET_MASK_KNUTH_DIVISION, TARGET_MASK_TOPLEVEL_SYMBOLS)
3037         (TARGET_MASK_BRANCH_PREDICT, TARGET_MASK_USE_RETURN_INSN)
3038         (TARGET_MASK_BASE_ADDRESSES, TARGET_LIBFUNC, TARGET_ABI_GNU,
3039         (TARGET_FCMP_EPSILON, TARGET_ZERO_EXTEND, TARGET_KNUTH_DIVISION)
3040         (TARGET_TOPLEVEL_SYMBOLS, TARGET_BRANCH_PREDICT)
3041         (TARGET_BASE_ADDRESSES, TARGET_USE_RETURN_INSN, TARGET_SWITCHES):
3042         Don't define.
3043         (TARGET_DEFAULT): Change TARGET_MASK_... to MASK_...
3044         * config/mmix/mmix.c (mmix_cc1_ignored_option): Remove.
3045         (TARGET_DEFAULT_TARGET_FLAGS): Override default.
3046
3047 2005-05-02  Joseph S. Myers  <joseph@codesourcery.com>
3048
3049         PR c/15698
3050         * c-tree.h (C_DECL_BUILTIN_PROTOTYPE): New.
3051         * c-decl.c (current_function_prototype_built_in,
3052         current_function_prototype_arg_types): New.
3053         (merge_decls): Keep source location of prototype followed by
3054         nonprototype declaration.  Update C_DECL_BUILTIN_PROTOTYPE.
3055         (builtin_function): Set C_DECL_BUILTIN_PROTOTYPE.
3056         (start_function): Always set current_function_prototype_locus,
3057         current_function_prototype_built_in and
3058         current_function_prototype_arg_types.  Check for external
3059         prototype whether or not visible for external function and set
3060         current_function_prototype_arg_types accordingly.
3061         (store_parm_decls_oldstyle): Use
3062         current_function_prototype_arg_types for checking old-style
3063         definition against prototype.  Give warnings only if
3064         current_function_prototype_built_in).
3065
3066 2005-05-02  Daniel Jacobowitz  <dan@codesourcery.com>
3067
3068         * ggc.h (ggc_alloc_zone_pass_stat): New macro.
3069         (ggc_alloc_zone_stat): Don't define.
3070         * ggc-zone.c (ggc_alloc_typed_stat, ggc_alloc_stat): Use
3071         ggc_alloc_zone_pass_stat.
3072         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Likewise.
3073         * tree.c (make_node_stat, copy_node_stat, make_tree_binfo_stat)
3074         (make_tree_vec_stat, tree_cons_stat, build1_stat): Likewise.
3075
3076 2005-05-02  Daniel Jacobowitz  <dan@codesourcery.com>
3077
3078         * calls.c (expand_call): Handle current_function_pretend_args_size
3079         when checking for sibcalls.
3080
3081 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
3082
3083         PR tree-optimization/21294
3084         * tree-vrp.c (vrp_expr_computes_nonzero): New.
3085         (extract_range_from_expr): Call vrp_expr_computes_nonzero.
3086
3087 2005-05-02  Janis Johnson  <janis187@us.ibm.com>
3088
3089         PR 19985
3090         * gcov-io.h: Declare gcov external functions hidden.
3091
3092 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
3093
3094         * tree-ssa-uncprop.c (equiv_hash_elt, remove_equivalence,
3095         record_equiv, tree_ssa_uncprop, uncprop_into_successor_phis):
3096         Use VEC instead of VARRAY.
3097         (equiv_free): New.
3098
3099         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Factor
3100         out common code.
3101
3102 2005-05-02  Paolo Bonzini  <bonzini@gnu.org>
3103
3104         * c-common.c (resolve_overloaded_builtin): Forward to target
3105         hook for BUILT_IN_MD built-ins.
3106         * c-typeck.c (finish_call_expr): Call resolve_overloaded_builtin
3107         for all types of built-in.
3108         * target-def.h (TARGET_RESOLVE_OVERLOADED_BUILTIN): New.  Use it
3109         in the definition of the target hooks struct.
3110         * target.h (struct gcc_target): Add resolve_overloaded_builtin.
3111         * config/rs6000/altivec.h: Rewritten.
3112         * config/rs6000/rs6000-c.c (struct altivec_builtin_types,
3113         altivec_resolve_overloaded_builtin, altivec_build_resolved_builtin,
3114         rs6000_builtin_type, rs6000_builtin_type_compatible,
3115         altivec_overloaded_builtins, rs6000_builtin_type,
3116         rs6000_builtin_type_compatible): New.
3117         * config/rs6000/rs6000.c (rs6000_builtin_types, rs6000_builtin_decls):
3118         New.
3119         (def_builtin): Turn into a function.  Check for duplicates and store
3120         the builtin into rs6000_builtin_decls.
3121         (bdesc_3arg, bdesc_dst, bdesc_altivec_preds, bdesc_2arg,
3122         bdesc_1arg): Add overloaded builtins.
3123         (altivec_expand_builtin): Check for unresolved overloaded builtins,
3124         do not support ALTIVEC_COMPILETIME_ERROR.
3125         (rs6000_init_builtins): Add opaque 128-bit vector, and internal
3126         nodes to represent front-end types.
3127         (altivec_init_builtins, rs6000_common_init_builtins): Create builtins
3128         with opaque arguments and/or return values.
3129         * config/rs6000/rs6000.h (enum rs6000_builtins): Remove
3130         ALTIVEC_COMPILETIME_ERROR and add Altivec overloaded builtins.
3131         (rs6000_builtin_type_index): New.
3132         (is_ev64_opaque_type): Rename to...
3133         (rs6000_is_opaque_type): ... this.
3134         (rs6000_cpu_cpp_builtins): Install the resolve_overloaded_builtin
3135         target hook.
3136
3137 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
3138
3139         * function.c (reorder_blocks, reorder_blocks_1): Use VEC
3140         instead of VARRAY.
3141
3142 2005-05-02  Nathan Sidwell  <nathan@codesourcery.com>
3143             Bernd Schmidt  <bernd.schmidt@analog.com>
3144
3145         * config/bfin/bfin.c (emit_link_insn, effective_address_32bit_p,
3146         print_address_operand, print_operand, legitimize_pic_address,
3147         asm_conditional_branch, bfin_gen_compare, output_push_multiple,
3148         output_pop_multiple): Use gcc_assert or gcc_unreachable as
3149         appropriate.
3150         * config/bfin/bfin.md (movsf splitter, beq, bne): Likewise.
3151
3152 2005-05-02  Dorit Naishlos  <dorit@il.ibm.com>
3153
3154         * doc/passes.texi: Document vectorization pass.
3155
3156 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
3157
3158         * tree-scalar-evolution.c (get_exit_conditions_rec,
3159         select_loops_exit_conditions,
3160         number_of_iterations_for_all_loops,
3161         analyze_scalar_evolution_for_all_loop_phi_nodes,
3162         scev_analysis): Use VEC instead of VARRAY.
3163
3164 2005-05-02  Michael Matz  <matz@suse.de>
3165
3166         PR c++/19542
3167         * c-common.c (c_common_nodes_and_builtins): Create global null_node.
3168         (warn_strict_null_sentinel): Define.
3169         (check_function_sentinel): Check for null_node as valid sentinel too.
3170         * c-common.h (c_tree_index): Added CTI_NULL.
3171         (null_node) Define global_tree[CTI_NULL].
3172         (warn_strict_null_sentinel): Declare.
3173         * c-opts.c: (c_common_handle_option): Handle -Wstrict-null-sentinel.
3174         * c.opt: (Wstrict-null-sentinel): New C++ option.
3175         * doc/invoke.texi (C++ Options): Document -Wstrict-null-sentinel.
3176
3177 2005-05-01  Kazu Hirata  <kazu@cs.umass.edu>
3178
3179         * gimplify.c (gimplify_compound_lval): Use VEC instead of
3180         VARRAY.
3181
3182         * global.c (calculate_reg_pav): Use VEC instead of VARRAY.
3183
3184         * dwarf2out.c (decl_scope_table, push_decl_scope,
3185         pop_decl_scope, scope_die_for, dwarf2out_init): Use VEC
3186         instead of VARRAY.
3187
3188 2005-05-01  Mark Mitchell  <mark@codesourcery.com>
3189
3190         PR C++/14391
3191         * c-cppbuiltin.c (c_cpp_builtins): Do not define __GXX_WEAK__ to 1
3192         if !flag_weak.
3193         * doc/cpp.texi (__DEPRECATED): Document.
3194         (__EXCEPTIONS): Likewise.
3195         (__GXX_WEAK__): Likewise.
3196
3197         * function.c (INVOKE__main): Do not define.
3198         (expand_main_function): Check HAS_INIT_SECTION when determining
3199         whether or not to call __main.
3200
3201 2005-05-01  Kazu Hirata  <kazu@cs.umass.edu>
3202
3203         * tree-ssa-loop-ivopts.c: Fix a comment typo.
3204
3205 2005-01-05  Paul Brook  <paul@codesourcery.com>
3206
3207         * config/arm/arm.h (ARM_EMIT_TRAMPOLINE_CACHE_CLEAR): Define.
3208         (INITIALIZE_TRAMPOLINE): Use it.
3209         * config/arm/linux-gas.h (INITIALIZE_TRAMPOLINE): Remove.
3210         * config/arm/netbsd.h (INITIALIZE_TRAMPOLINE): Remove.
3211         * config/arm/netbsd-elf.h (INITIALIZE_TRAMPOLINE): Remove.
3212
3213 2005-05-01  Gerald Pfeifer  <gerald@pfeifer.com>
3214
3215         * doc/install.texi (Specific): Omit dots in the @anchors names
3216         for i?86-*-sco3.2v5*, i?86-*-solaris2.10, and sparc-sun-solaris2.7.
3217         Omit underscores for x86_64-*-* and the "all ELF targets" entry.
3218
3219 2005-05-01  Zdenek Dvorak  <dvorakz@suse.cz>
3220
3221         PR tree-optimization/18316
3222         PR tree-optimization/19126
3223         * tree.c (build_int_cst_type): Avoid shift by size of type.
3224         * tree-scalar-evolution.c (simple_iv): Add allow_nonconstant_step
3225         argument.
3226         * tree-scalar-evolution.h (simple_iv): Declaration changed.
3227         * tree-ssa-loop-ivopts.c (struct iv_cand): Add depends_on
3228         field.
3229         (dump_cand): Dump depends_on information.
3230         (determine_biv_step): Add argument to simple_iv call.
3231         (contains_abnormal_ssa_name_p): Handle case expr == NULL.
3232         (find_bivs, find_givs_in_stmt_scev): Do not require step to be a
3233         constant.
3234         (add_candidate_1): Record depends_on for candidates.
3235         (tree_int_cst_sign_bit, constant_multiple_of): New functions.
3236         (get_computation_at, get_computation_cost_at, may_eliminate_iv):
3237         Handle ivs with nonconstant step.
3238         (iv_ca_set_remove_invariants, iv_ca_set_add_invariants): New functions.
3239         (iv_ca_set_no_cp, iv_ca_set_cp): Handle cand->depends_on.
3240         (create_new_iv): Unshare the step before passing it to create_iv.
3241         (free_loop_data): Free cand->depends_on.
3242         (build_addr_strip_iref): New function.
3243         (find_interesting_uses_address): Use build_addr_strip_iref.
3244         (strip_offset_1): Split the recursive part from strip_offset.
3245         Strip constant offset component_refs and array_refs.
3246         (strip_offset): Split the recursive part to strip_offset_1.
3247         (add_address_candidates): Removed.
3248         (add_derived_ivs_candidates): Do not use add_address_candidates.
3249         (add_iv_value_candidates): Add candidates with stripped constant
3250         offset.  Consider all candidates with initial value 0 important.
3251         (struct affine_tree_combination): New.
3252         (aff_combination_const, aff_combination_elt, aff_combination_scale,
3253         aff_combination_add_elt, aff_combination_add,
3254         tree_to_aff_combination, add_elt_to_tree, aff_combination_to_tree,
3255         fold_affine_sum): New functions.
3256         (get_computation_at): Use fold_affine_sum.
3257         * tree-ssa-loop-manip.c (create_iv): Handle ivs with nonconstant step.
3258         * tree-ssa-loop-niter.c (number_of_iterations_exit): Add argument
3259         to simple_iv call.
3260
3261 2005-04-30  Michael Matz  <matz@suse.de>
3262
3263         * config/i386/i386.md (movmemsi): Also active when
3264         TARGET_INLINE_ALL_STRINGOPS.
3265
3266 2005-04-30  Eric Botcazou  <ebotcazou@libertysurf.fr>
3267
3268         PR bootstrap/20633
3269         * config/freebsd-spec.h (FBSD_CPP_SPEC): Add %(cpp_arch).
3270
3271 2005-04-30  Paul Brook  <paul@codesourcery.com>
3272
3273         * config/arm/bpabi.h (RENAME_LIBRARY_SET): Always use .thumb_set in
3274         thumb mode.
3275         * config/arm/ieee754-df.S: Use __INTERWORKING_STUBS__.
3276         * config/arm/ieee754-sf.S: Ditto.
3277         * config/arm/lib1funcs.asm: Define and use __INTERWORKING_STUBS__.
3278         (FUNC_ALIAS): Use .thumb_set for thumb routines.
3279
3280 2005-04-30  Kazu Hirata  <kazu@cs.umass.edu>
3281
3282         * tree-ssanames.c: Fix a comment typo.
3283         * doc/options.texi: Fix a typo.
3284
3285 2005-04-30  Nathan Sidwell  <nathan@codesourcery.com>
3286
3287         * config/h8300/h8300.c (byte_reg): Use gcc_assert and
3288         gcc_unreachable as appropriate.
3289         (split_adds_subs, cond_string, print_operand,
3290         h8300_initial_elimination_offset, h8300_classify_operand,
3291         h8300_unary_length, h8300_short_immediate_length,
3292         h8300_bitfield_length, h8300_binary_length,
3293         h8300_insn_length_from_table, compute_mov_length, output_plussi,
3294         compute_plussi_length, compute_plussi_cc, output_logical_op,
3295         compute_logical_op_length, compute_logical_op_cc,
3296         output_h8sx_shift, get_shift_alg, h8300_shift_needs_scratch_p,
3297         output_a_shift, compute_a_shift_length, compute_a_shift_cc,
3298         output_a_rotate, compute_a_rotate_length, fix_bit_operand,
3299         h8300_regs_ok_for_stm): Likewise.
3300         * config/h8300/h8300.md (*movsi_h8300, *movsf_h8300,
3301         monitor_prologue): Likewise.
3302
3303 2005-04-30  Kazu Hirata  <kazu@cs.umass.edu>
3304
3305         * loop-invariant.c (invariants, create_new_invariant,
3306         get_inv_cost, best_gain_for_invariant,
3307         find_invariants_to_move, move_invariants,
3308         init_inv_motion_data, free_inv_motion_data): Use VEC instead
3309         of VARRAY.
3310
3311 2005-04-29  Richard Henderson  <rth@redhat.com>
3312
3313         * function.c (instantiate_decls): Remove valid_only argument.
3314         (instantiate_decls_1, instantiate_decl): Likewise.
3315         (instantiate_virtual_regs_1): Delete.
3316         (instantiate_virtual_regs_lossage): Delete.
3317         (instantiate_virtual_regs_in_rtx): New.
3318         (safe_insn_predicate): New.
3319         (instantiate_virtual_regs_in_insn): New.
3320         (instantiate_virtual_regs): Update to match all that.  Only run
3321         instantiate_decls once.
3322
3323 2005-04-29  Richard Henderson  <rth@redhat.com>
3324             Daniel Jacobowitz  <dan@codesourcery.com>
3325
3326         * gengtype.c (write_func_for_structure): Split out ...
3327         (output_type_enum): ... new function.  Fix thinko accessing
3328         TYPE_PARAM_STRUCT data.
3329
3330 2005-04-29  Tom Tromey  <tromey@redhat.com>
3331
3332         * tree.c (build_block): Removed unused 'tags' argument.
3333         * tree.h (build_block): Removed argument.
3334
3335 2005-04-29  Michael Matz  <matz@suse.de>
3336
3337         PR rtl-optimization/21144
3338         * postreload.c (reload_cse_move2add): Check for VOIDmode.
3339
3340 2005-04-29  Bob Wilson  <bob.wilson@acm.org>
3341
3342         * config/xtensa/xtensa.h (OPTIMIZATION_OPTIONS): Define to disable
3343         flag_reorder_blocks.
3344
3345 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
3346
3347         PR tree-optimization/21030
3348         * tree-vrp.c (adjust_range_with_scev): Do not create invalid
3349         ranges where VR->MAX is smaller than VR->MIN.
3350
3351 2005-04-29  Devang Patel  <dpatel@apple.com>
3352
3353         PR tree-optimization/21272
3354         PR tree-optimization/21266
3355         * tree-if-conv.c (find_phi_replacement_condition): Fix think-o.
3356
3357 2005-04-29  Kazu Hirata  <kazu@cs.umass.edu>
3358
3359         * tree-flow-inline.h: Fix a comment typo.
3360         * doc/tree-ssa.texi: Fix a typo.
3361
3362         * tree-flow-inline.h, tree-ssa-operands.c: Fix comment typos.
3363
3364 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
3365
3366         * config/fr30/fr30.c (fr30_expand_prologue): Use gcc_assert and
3367         gcc_unreachable as appropriate.
3368         (fr30_expand_epilogue, fr30_setup_incoming_varargs,
3369         fr30_print_operand, fr30_move_double): Likewise.
3370         * config/fr30/fr30.md (*movsi_internal, *movsf_internal): Likewise.
3371
3372 2005-04-29  Mark Mitchell  <mark@codesourcery.com>
3373
3374         * config/arm/arm.h (ARM_EABI_CTORS_SECTION_OP): Do not define if a
3375         definition has already been provided.
3376         (ARM_EABI_DTORS_SECTION_OP): Likewise.
3377         * config/arm/symbian.h (ARM_EABI_CTORS_SECTION_OP): Define.
3378         (ARM_EABI_DTORS_SECTION_OP): Likewise.
3379
3380 2005-04-29  Jim Tison  <jtison@us.ibm.com>
3381
3382         * config/s390/s390.md ("prologue_tpf", "epilogue_tpf"): Alter
3383         trace hooks calls to improve performance.
3384
3385 2005-04-29  Julian Brown  <julian@codesourcery.com>
3386             Mark Mitchell  <mark@codesourcery.com>
3387             Paul Brook  <paul@codesourcery.com>
3388
3389         * crtstuff.c: Handle targets that use .init_array.
3390         * function.c (HAS_INIT_SECTION): Do not define. Instead, make sure
3391         that INVOKE__main is set correctly.
3392         (expand_main_function): Test INVOKE__main.
3393         * libgcc2.c: Do not define __main when using .init_array.
3394         * config/arm/arm.c (arm_elf_asm_constructor): New function.
3395         * config/arm/arm.h (CTORS_SECTION_ASM_OP): Define, with specialized
3396         libgcc version.
3397         (DTORS_SECTION_ASM_OP): Likewise.
3398         (CTOR_LIST_BEGIN): Define specially when in libgcc.
3399         (CTOR_LIST_END): Likewise.
3400         (DTOR_LIST_BEGIN): Likewise.
3401         (DTOR_LIST_END): Likewise.
3402         * config/arm/bpapi.h (INIT_SECTION_ASM_OP): Do not define it.
3403         (FINI_SECTION_ASM_OP): Likewise.
3404         (INIT_ARRAY_SECTION_ASM_OP): Define.
3405         (FINI_ARRAY_SECTION_ASM_OP): Likewise.
3406         * config/arm/elf.h (TARGET_ASM_CONSTRUCTOR): Define.
3407         (SUPPORTS_INIT_PRIORITY): Evaluate to false for EABI based targets.
3408         * doc/tm.texi (INIT_ARRAY_SECTION_ASM_OP): Document.
3409         (FINI_ARRAY_SECTION_ASM_OP): Likewise.
3410
3411 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
3412
3413         * config/m68k/m68k.c (m68k_initial_elimination_offset): Use
3414         gcc_assert and gcc_unreachable as appropriate.
3415         (output_dbcc_and_branch, output_scc_di, legitimize_pic_address,
3416         const_int_cost, output_move_const_into_data_reg,
3417         output_move_qimode, output_move_double, find_addr_reg,
3418         print_operand, print_operand_address): Likewise.
3419         * config/m68k/m68k.md (adddi3, subdi3, negsf2, negdf2, abssf2,
3420         absdf2, sordered, sunordered, suneq, sunge, sungt, sunle, sunlt,
3421         sltgt, bordered, bunordered, buneq, bunge, bungt, bunle, bunlt,
3422         bltgt, *bordered_rev, *bunordered_rev, *buneq_rev, *bunge_rev,
3423         *bunle_rev, *bunlt_rev, *bltgt_rev, negxf2, absxf2,
3424         conditional_trap): Likewise.
3425         * config/m68k/m68kelf.h (ASM_OUTPUT_ALIGN): Remove unreachable code.
3426
3427 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
3428
3429         * config/xtensa/xtensa.c (gen_int_relational): Use gcc_assert and
3430         gcc_unreachable as appropriate.
3431         (gen_conditional_move, xtensa_split_operand_pair,
3432         xtensa_split_operand_pair, xtensa_copy_incoming_a7,
3433         xtensa_copy_incoming_a7, xtensa_copy_incoming_a7,
3434         xtensa_copy_incoming_a7, xtensa_output_literal,
3435         xtensa_output_literal, xtensa_output_literal): Likewise.
3436         * config/xtensa/xtensa.h (INITIAL_ELIMINATION_OFFSET): Likewise.
3437         * config/xtensa/xtensa.md (*btrue, *bfalse, *ubtrue, *ubfalse,
3438         *bittrue, *bitfalse, *masktrue, *maskfalse, movsicc_internal0,
3439         movsicc_internal1, movsfcc_internal0,
3440         movsfcc_internal1): Likewise.
3441
3442 2005-04-28  James E Wilson  <wilson@specifixinc.com>
3443
3444         * config/i386/i386.h (HI_REGISTER_NAMES): Fix typos in comment.
3445         (ADDITIONAL_REGISTER_NAMES): Delete obsolete mmx register entries.
3446
3447 2005-04-28  DJ Delorie  <dj@redhat.com>
3448
3449         * opt-functions.awk (var_set): Emit proper initializer for
3450         non-target bitfields.
3451
3452 2005-04-28  Devang Patel  <dpatel@apple.com>
3453
3454         * dbxout.c (have_used_extensions): Remove.
3455         (dbxout_type_fileds, dbxout_type, dbxout_symbol): Remove use of
3456         have_used_extensions.
3457
3458 2005-04-28  James E Wilson  <wilson@specifixinc.com>
3459
3460         * doc/install.texi: Update -enable-languages info.  Correct path to
3461         html docs.
3462
3463 2005-04-28  DJ Delorie  <dj@redhat.com>
3464
3465         * optc-gen.awk (END): Make sure no variable is defined more
3466         than once.
3467         * opth-gen.awk (END): Allocate bits on a per-variable basis.
3468         Allow for bitfield variables other than target_flags.
3469         * doc/options.text (Mask): Document that you may specify a
3470         variable other than target_flags.
3471
3472 2005-04-28  Martin Koegler <mkoegler@auto.tuwien.ac.at>
3473
3474         PR rtl-optimization/18877
3475         * reload.c (decompose) <case REG, case SUBREG>: Handle pseudo reg
3476         number in val.start.
3477
3478 2005-04-28  David Edelsohn  <edelsohn@gnu.org>
3479
3480         PR target/20813
3481         * config/rs6000/aix43.h (SUBSUBTARGET_SWITCHES, aix64): Add
3482         MASK_PPC_GFXOPT.
3483         * config/rs6000/aix51.h (SUBSUBTARGET_SWITCHES, aix64): Same.
3484         * config/rs6000/aix52.h (SUBSUBTARGET_SWITCHES, aix64): Same.
3485         * config/rs6000/sysv4.h (SUBTARGET_SWITCHES, 64): Same.
3486
3487 2005-04-28  Richard Earnshaw  <richard.earnshaw@arm.com>
3488
3489         * arm.c (legitimize_pic_address): Fix sense of assertion test for
3490         creating pseudos when the base offset is too large.
3491
3492 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
3493
3494         * global.c (earlyclobber_regclass): Change the type to
3495         VEC(int,heap).
3496         (check_earlyclobber): Update uses of earlyclobber_regclass.
3497         (mark_reg_use_for_earlyclobber): Likewise.
3498         (calculate_local_reg_bb_info): Allocate and free
3499         earlyclobber_regclass using the VEC API.
3500
3501 2005-04-28  Nathan Sidwell  <nathan@codesourcery.com>
3502
3503         * tree-ssa-alias.c (push_fields_onto_fieldstack): Remove bogus
3504         assert.
3505
3506 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
3507
3508         * modulo-sched.c, tree-stdarg.c: Use targetm.foo instead of
3509         (*targetm.foo).
3510
3511         * config.gcc: Obsolete c4x-* and tic4x-*.
3512
3513         * tree.h (edge_def): Remove.
3514
3515         * bt-load.c, cfgexpand.c, dwarf2out.c, emit-rtl.c, expr.c,
3516         function.c, global.c, lcm.c, loop-invariant.c, optabs.c,
3517         reorg.c, resource.c, tree-ssa-loop-ivopts.c, value-prof.c: Use
3518         JUMP_P, LABEL_P, REG_P, MEM_P, NONJUMP_INSN_P, and INSN_P
3519         where appropriate.
3520
3521         * attribs.c, c-pragma.c, caller-save.c, cfghooks.h,
3522         coverage.c, cselib.h, domwalk.c, domwalk.h, errors.c,
3523         errors.h, gcov-dump.c, gcov-io.c, gcov-io.h, gen-protos.c,
3524         genattrtab.h, genextract.c, gthr-win32.h, insn-notes.def,
3525         integrate.c, lambda-mat.c, lambda.h, libgcov.c, local-alloc.c,
3526         machmode.def, mips-tfile.c, params.c, pretty-print.c,
3527         print-rtl.c, protoize.c, regmove.c, sched-vis.c, tree-chrec.h,
3528         tree-data-ref.h, vec.h, config/darwin-c.c, config/sol2-c.c,
3529         config/sol2.c, config/arm/arm-cores.def, config/arm/cirrus.md,
3530         config/arm/symbian.h, config/c4x/c4x.c, config/c4x/c4x.h,
3531         config/i386/cygming.h, config/i386/djgpp.h,
3532         config/i386/lynx.h, config/i386/netware.c,
3533         config/i386/winnt.c, config/ia64/ia64-c.c,
3534         config/iq2000/iq2000.c, config/m32r/little.h,
3535         config/m68k/m68k-protos.h, config/m68k/m68k.h,
3536         config/m68k/m68k.md, config/mcore/mcore.c,
3537         config/mcore/mcore.h, config/mmix/mmix.c, config/mmix/mmix.md,
3538         config/mn10300/mn10300-protos.h, config/mn10300/mn10300.c,
3539         config/mn10300/mn10300.h, config/ns32k/netbsd.h,
3540         config/ns32k/ns32k.c, config/ns32k/ns32k.h,
3541         config/pa/pa-hpux11.h, config/pdp11/pdp11.c,
3542         config/pdp11/pdp11.h, config/rs6000/darwin.h,
3543         config/rs6000/default64.h, config/rs6000/rs6000-c.c,
3544         config/s390/2064.md, config/s390/2084.md,
3545         config/s390/s390-modes.def, config/s390/s390-protos.h,
3546         config/s390/tpf.h, config/sh/sh.h, config/sh/symbian.c,
3547         config/stormy16/stormy16.c, config/vax/vax-protos.h,
3548         config/vax/vax.c, config/vax/vax.h,
3549         config/xtensa/lib1funcs.asm, config/xtensa/xtensa.md: Update
3550         copyright.
3551
3552 2005-04-28  Joseph S. Myers  <joseph@codesourcery.com>
3553
3554         * c-typeck.c (build_compound_expr): Correct logic in last change.
3555
3556 2005-04-27  James E. Wilson  <wilson@specifixinc.com>
3557
3558         * config/ia64/ia64.c (update_set_flags): Delete ppred and pcond
3559         parameters.  Replace conditional move code with assert checking for
3560         ar.lc.  Delete obsolete comments.
3561         (set_src_needs_barrier): Delete cond parameter, and code using it.
3562         (rtx_needs_barrier): Delete initialization of cond.  Fix typo in
3563         assert checking for PR_REGS.  Fix calls to update_set_flags and
3564         set_src_needs_barrier.
3565         (group_barrier_needed): Renamed from group_barrier_needed_p.  Fix all
3566         callers.  Rewrite explanatory comment before the function.
3567         (safe_group_barrier_needed): Renamed from safe_group_barrier_needed_p.
3568         Fix all callers.
3569
3570 2005-04-27  Mike Stump  <mrs@apple.com>
3571
3572         * doc/cpp.texi: gcc now implements universal character names.
3573
3574 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
3575
3576         PR c/21159
3577         * c-typeck.c (build_compound_expr): Don't warn for left-hand side
3578         being a compound expression whose right-hand side is cast to void.
3579
3580 2005-04-27  Caroline Tice  <ctice@apple.com>
3581
3582         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
3583         Remove targetm.have_named_sections test.
3584         (fix_edges_for_rarely_executed_code): Likewise.
3585         (insert_section_boundary_note): Likewise.
3586         (reorder_basic_blocks): Check partitioning flag before calling
3587         verify_hot_cold_block_grouping.
3588         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
3589         the function struct rather than global variables.
3590         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
3591         (COLD_END_LABEL): Likewise
3592         (cold_text_section_label): New static global variable.
3593         (cold_end_label): Likewise.
3594         (dwarf2out_switch_text_section): Get hot/cold section labels from
3595         the function struct rather than global variables; test to make sure
3596         cfun is defined.
3597         (output_aranges): Use cold_text_section_label and cold_end_label;
3598         check partitioning flag before putting out delta.
3599         (output_ranges): Remove incorrect code attempting to use
3600         hot/cold labels.
3601         (output_line_info): Get cold section label from function struct; test
3602         to make sure cfun is defined.
3603         (add_location_or_const_value_attribute): Likewise.
3604         (dwarf2out_var_location): Likewise.
3605         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
3606         write out cold_text_section_label if partition flag is set.
3607         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
3608         * function.h (struct function): Add new fields to point to hot/cold
3609         section labels: hot_section_label, cold_section_label,
3610         hot_section_end_label and cold_section_end_label; also add new field
3611         for cold text section name, unlikely_text_section_name.
3612         * opts.c (decode_options): Turn off partitioning flag if
3613         !targetm.have_named_sections.
3614         * output.h (hot_section_label): Remove.
3615         (hot_section_end_label): Remove.
3616         (cold_section_end_label): Remove.
3617         (unlikely_section_label): Remove.
3618         (unlikely_text_section_name): Remove.
3619         * passes.c (rest_of_handle_final):  Remove extra blank line.
3620         * varasm.c (unlikely_section_label): Remove.
3621         (hot_section_label): Remove.
3622         (hot_section_end_label): Remove.
3623         (cold_section_end_label): Remove.
3624         (unlikely_text_section_name):  Remove.
3625         (initialize_cold_section_name): Modify to call
3626         targetm.strip_name_encoding; to store cold section name in current
3627         function struct, if it exists; and to only use the decl_section_name
3628         if flag_named_sections is true.
3629         (unlikely_text_section): Modify to get section name out of current
3630         function struct, if there is one; otherwise build it from
3631         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
3632         (in_unlikely_text_section): Likewise.
3633         (named_section): Modify to get/put cold section name in current function
3634         struct, if there is one.
3635         (function_section):  Change 'bool unlikely' to 'int reloc'; check
3636         targetm.have_named_sections before calling named_section.
3637         (current_function_section): Likewise.
3638         (assemble_start_function): Modify to get/put unlikely_text_section_name
3639         in current function struct; modify to get hot/cold section labels
3640         from function struct; initialize labels using
3641         ASM_GENERATE_INTERNAL_LABEL;
3642         test partitioning flag before writing out hot section label.
3643         (assemble_end_function): Test partitioning flag before writing out
3644         hot/cold section labels.
3645         (default_section_type_flags_1):  Get cold text section name from
3646         function struct if there is one; Set flags correctly for
3647         cold text section if there is not a current function struct.
3648
3649 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
3650
3651         * tree-ssa-propagate.c (set_rhs): Revert last change.
3652
3653 2005-04-27  Steve Ellcey  <sje@cup.hp.com>
3654
3655         * explow.c (convert_memory_address): Add gcc_assert.
3656
3657 2005-04-27  Mark Mitchell  <mark@codesourcery.com>
3658
3659         * configure.ac: Check for ld --sysroot support.
3660         * gcc.c: Document %R specifier for specs.
3661         (SYSROOT_SPEC): New macro.
3662         (sysroot_spec): New variable.
3663         (static_specs): Add sysroot_spec.
3664         (main): Pass the sysroot spec to the linker if appropriate.
3665         * configure: Regenerated.
3666         * config.in: Likewise.
3667
3668 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
3669
3670         * fold-const.c (fold_binary): Use build_fold_addr_expr
3671         for address calculation and INDIRECT_REF handling.
3672
3673 2005-04-27  Andrew Haley  <aph@redhat.com>
3674
3675         * postreload-gcse.c (hash_scan_set): Remove bogus assertion.
3676
3677 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
3678
3679         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Reserve arm frame
3680         pointer when thumb backtracing is on.
3681
3682         * config/fp-bit.c (abort): Revert change.
3683
3684 2005-04-27  Ian Lance Taylor  <ian@airs.com>
3685
3686         * c-semantics.c (add_stmt): Don't test STATEMENT_CODE_P.
3687
3688 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
3689
3690         * tree-ssa-dce.c: Fix a comment typo.
3691
3692 2005-04-27  David S. Miller  <davem@davemloft.net>
3693
3694         * explow.c (allocate_dynamic_stack_space SETJMP_VIA_SAVE_AREA):
3695         Kill setjmpless_size.  current_function_calls_setjmp is completely
3696         computed when we are called, so just use the optimized size value
3697         instead of using REG_SAVE_AREA notes.
3698         (optimize_save_area_alloca): Delete....
3699         * rtl.h (optimize_save_area_alloca): Likewise...
3700         * passes.c (rest_of_compilation): and don't call it any more.
3701         * reg-notes.def (SAVE_AREA): Delete.
3702
3703 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
3704
3705         * config/fp-bit.c (abort): Add noreturn attribute.
3706
3707         * config/avr/avr.c (avr_naked_function_p): Use gcc_assert and
3708         gcc_unreachable as appropriate.
3709         (ptrreg_to_str, cond_string, avr_normalize_condition): Likewise.
3710         * config/avr/avr.h (ASM_OUTPUT_REG_PUSH,
3711         ASM_OUTPUT_REG_POP): Likewise.
3712
3713 2005-04-27  Paolo Bonzini  <bonzini@gnu.org>
3714
3715         * tree-complex.c (expand_vector_operations_1): Do not build
3716         VIEW_CONVERT_EXPR's for the lhs.
3717
3718 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
3719
3720         * config/pa/pa.h (PRINT_OPERAND_ADDRESS): Use gcc_assert, remove
3721         unnecessary noncanonical RTL handling.
3722         * config/pa/pa64-linux.h (INITIAL_ELIMINATION_OFFSET): Use
3723         gcc_assert and gcc_unreachable.
3724
3725         * config/arm/arm.h (ARM_PRINT_OPERAND_ADDRESS): Use gcc_assert and
3726         gcc_unreachable as appropriate.
3727         (THUMB_PRINT_OPERAND_ADDRESS): Likewise.
3728         * config/arm/arm.c (arm_override_options, arm_compute_func_type,
3729         use_return_insn, const_ok_for_op, arm_gen_constant,
3730         arm_canonicalize_comparison, legitimize_pic_address,
3731         thumb_find_work_register, arm_load_pic_register, arm_rtx_costs_1,
3732         arm_cirrus_insn_p, cirrus_reorg, minmax_code,
3733         load_multiple_sequence, emit_ldm_seq, store_multiple_sequence,
3734         emit_stm_seq, arm_gen_movmemqi, arm_select_dominance_cc_mode,
3735         arm_select_cc_mode, arm_reload_in_hi, arm_reload_out_hi,
3736         move_minipool_fix_forward_ref, move_minipool_fix_backward_ref,
3737         dump_minipool, create_fix_barrier, push_minipool_fix, arm_reorg,
3738         fp_immediate_constant, fp_const_from_val, vfp_output_fstmx,
3739         output_call, output_mov_long_double_fpa_from_arm,
3740         output_mov_long_double_arm_from_fpa,
3741         output_mov_double_fpa_from_arm, output_mov_double_arm_from_fpa,
3742         output_move_double, arithmetic_instr, shift_op, int_log2,
3743         output_return_instruction, arm_output_function_prologue,
3744         arm_output_epilogue, arm_output_function_epilogue,
3745         emit_multi_reg_push, arm_get_frame_offsets,
3746         arm_compute_initial_elimination_offset, arm_expand_prologue,
3747         arm_print_operand, arm_assemble_integer, get_arm_condition_code,
3748         arm_final_prescan_insn, arm_init_iwmmxt_builtins,
3749         arm_expand_binop_builtin, thumb_pushpop, thumb_far_jump_used_p,
3750         thumb_compute_initial_elimination_offset,
3751         thumb_output_function_prologue, thumb_load_double_from_address,
3752         thumb_output_move_mem_multiple, thumb_reload_out_hi,
3753         arm_emit_vector_const, arm_dbx_register_number): Likewise.
3754         * config/arm/pe.c (arm_mark_dllexport, arm_mark_dllimport): Likewise.
3755         * config/arm/arm.md (thumb_extendhisi2,
3756         *thumb_extendhisi2_insn_v6, *thumb_extendqisi2,
3757         *thumb_extendqisi2_v6, movhi, *thumb_movhi_insn,
3758         thumb_movhi_clobber, movqi, *arm_buneq, *arm_bltgt,
3759         *arm_buneq_reversed, *arm_bltgt_reversed, suneq, sltgt): Likewise.
3760         * config/arm/cirrus.md (*cirrus_arm_movdi,
3761         *cirrus_movdf_hard_insn): Likewise.
3762         * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
3763
3764 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
3765
3766         * tree-flow.h (ssa_names): Change the type to VEC(tree,gc).
3767         (num_ssa_names): Use VEC_length.
3768         (ssa_names): Use VEC_index.
3769         * tree-ssanames.c (ssa_names): Change the type to
3770         VEC(tree,gc).
3771         (init_ssanames, fini_ssa_names, make_ssanames,
3772         release_ssa_name): Update uses of ssa_names.
3773
3774         * dojump.c, emit-rtl.c, expmed.c, expr.c, stmt.c, stor-layout.c:
3775         Use fold_buildN instead of fold (buildN (...)).
3776
3777 2005-04-27  Devang Patel <dpatel@apple.com>
3778
3779         * dbxout.c (dbxout_type): Check use_gnu_debug_info_extensions.
3780
3781 2005-04-27  Matt Thomas <matt@3am-software.com>
3782             Jan-Benedict Glaw <jbglaw@microdata-pos.de>
3783
3784         * config/vax/vax.c (vax_rtx_costs): Whitespace cleanup.
3785         (vax_output_mi_thunk): Ditto.
3786         (vax_notice_cc_update): Ditto.
3787         (INDEX_REGISTER_P): Add trailing \.
3788         (BASE_REGISTER_P): Add trailing \.
3789         (legitimate_address_p): Whitespace cleanup.  Remove trailing \.
3790
3791 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
3792
3793         * tree-ssa-propagate.c (set_rhs): Check operand of
3794         ADDR_EXPR for gimpliness, too.
3795
3796 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
3797
3798         * tree-ssa-pre.c: Fix a comment typo.
3799
3800 2005-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
3801
3802         PR tree-optimization/21171
3803         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not
3804         record address uses if the reference is volatile.
3805
3806 2004-04-27  Paolo Bonzini  <bonzini@gnu.org>
3807
3808         * tree-complex.c (expand_vector_operation): New, extracted from
3809         expand_vector_operations_1.
3810         (tree_vec_extract): Build a NOP_EXPR.
3811         (expand_vec_parallel): Do not care about returning the correct type.
3812         (expand_vector_operations_1): Call expand_vector_operation.
3813         Build the VIEW_CONVERT_EXPR on the left side of MODIFY_EXPRs.
3814
3815         * tree-complex.c (gate_expand_vector_operations): New.
3816         (pass_lower_vector_ssa): Use it.
3817         * tree-optimize.c (init_tree_optimization_passes): Include
3818         pass_lower_vector_ssa.
3819         * tree-vect-transform.c (vect_min_worthwhile_factor): New.
3820         (vectorizable_operation): Use it.
3821         * tree-vectorizer.c (get_vectype_for_scalar_type): Accept
3822         integer modes for the vector type.
3823
3824         * defaults.h (UNITS_PER_SIMD_WORD): Default to UNITS_PER_WORD.
3825         * tree-vect-analyze.c (vect_enhance_data_refs_alignment):
3826         Do not cope with UNITS_PER_SIMD_WORD == 0.
3827         * tree-vectorizer.c (get_vectype_for_scalar_type): Check
3828         if the scalar type is not bigger than UNITS_PER_SIMD_WORD.
3829         (vectorize_loops): Do not check that UNITS_PER_SIMD_WORD > 0.
3830         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Default to UNITS_PER_WORD.
3831         * config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise.
3832         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise.
3833         * config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise.
3834
3835         * config/alpha/alpha.h (UNITS_PER_SIMD_WORD): Remove.
3836         * config/bfin/bfin.h (UNITS_PER_SIMD_WORD): Remove.
3837         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): Remove.
3838
3839         * doc/tm.texi (UNITS_PER_WORD): Rephrase more accurately.
3840         (UNITS_PER_SIMD_WORD): New.
3841
3842 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
3843
3844         * config/ia64/ia64.c (ia64_encode_addr_area): Use gcc_assert and
3845         gcc_unreachable as appropriate.
3846         (ia64_expand_load_address, ia64_expand_tls_address,
3847         ia64_split_tmode, ia64_split_tmode_move, ia64_expand_compare,
3848         ia64_expand_vecint_compare, ia64_expand_vecint_minmax,
3849         next_scratch_gr_reg, ia64_initial_elimination_offset,
3850         ia64_expand_prologue, ia64_expand_epilogue,
3851         ia64_output_dwarf_dtprel, ia64_print_operand,
3852         ia64_register_move_cost, first_instruction, rws_access_regno,
3853         update_set_flags, rtx_needs_barrier, group_barrier_needed_p,
3854         ia64_sched_init, ia64_variable_issue,
3855         ia64_first_cycle_multipass_dfs_lookahead_guard,
3856         ia64_dfa_new_cycle, issue_nops_and_insn, get_template, bundling,
3857         ia64_st_address_bypass_p, ia64_ld_address_bypass_p, process_set,
3858         process_for_unwind_directive, ia64_hpux_file_end): Likewise.
3859         * config/ia64/ia64.h (ASM_OUTPUT_ADDR_VEC_ELT): Likewise.
3860         * config/ia64/ia64.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
3861         * config/ia64/predicates.md (got_symbolic_operand,
3862         sdata_symbolic_operand): Likewise.
3863         * config/ia64/vect.md (vcondv2sf): Likewise.
3864
3865 2005-04-27  Matt Thomas <matt@3am-software.com>
3866
3867         * config/vax/vax.c (legitimate_constant_address_p): New.  Formerly
3868         CONSTANT_ADDRESS_P in config/vax/vax.h
3869         (legitimate_constant_p): Added.  Formerly CONSTANT_P in vax.h.
3870         (INDEX_REGISTER_P): New.
3871         (BASE_REGISTER_P): New.
3872         (indirectable_constant_address_p): New.  Adapted from
3873         INDIRECTABLE_CONSTANT_ADDRESS_P in vax.h. Use SYMBOL_REF_LOCAL_P.
3874         (indirectable_address_p): New.  Adapted from
3875         INDIRECTABLE_ADDRESS_P in vax.h.
3876         (nonindexed_address_p): New.  Adapted from
3877         GO_IF_NONINDEXED_ADDRESS in vax.h.
3878         (index_temp_p): New.  Adapted from INDEX_TERM_P in vax.h.
3879         (reg_plus_index_p): New.  Adapted from GO_IF_REG_PLUS_INDEX in vax.h.
3880         (legitimate_address_p): New.  Adapted from
3881         GO_IF_LEGITIMATE_ADDRESS in vax.h.
3882         (vax_mode_dependent_address_p): New.  Adapted from
3883         GO_IF_MODE_DEPENDENT_ADDRESS in vax.h.
3884         * config/vax/vax.h (CONSTANT_ADDRESS_P): Use
3885         legitimate_constant_address_p.
3886         (CONSTANT_P): Use legitimate_constant_p.
3887         (INDIRECTABLE_CONSTANT_ADDRESS_P): Removed.
3888         (INDIRECTABLE_ADDRESS_P): Removed.
3889         (GO_IF_NONINDEXED_ADDRESS): Removed.
3890         (INDEX_TEMP_P): Removed.
3891         (GO_IF_REG_PLUS_INDEX): Removed.
3892         (GO_IF_LEGITIMATE_ADDRESS): Use legitimate_address_p. Two
3893         definitions, depending on whether REG_OK_STRICT is defined.
3894         (GO_IF_MODE_DEPENDENT_ADDRESS): Use vax_mode_dependent_address_p.
3895         Two definitions, depending on whether REG_OK_STRICT is defined.
3896         * config/vax/vax-protos.h (legitimate_constant_address_p): Prototype
3897         added.
3898         (legitimate_constant_p): Prototype added.
3899         (legitimate_address_p): Prototype added.
3900         (vax_mode_dependent_address_p): Prototype added.
3901
3902 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
3903
3904         * tree.h (phi_arg_d): Expand a comment in phi_arg_d.
3905
3906 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
3907
3908         PR c/21213
3909         * c-decl.c (finish_struct): Don't dereference NULL TYPE_FIELDS of
3910         transparent union.
3911
3912 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
3913
3914         PR c/20740
3915         * c-format.c (init_dynamic_asm_fprintf_info): Give errors, not
3916         assertion failures, if __gcc_host_wide_int__ is not properly
3917         defined.
3918         (init_dynamic_diag_info): Give errors, not assertion failures, if
3919         location_t, tree or __gcc_host_wide_int__ are not properly
3920         defined.
3921
3922 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
3923
3924         * tree-ssa-loop-ivopts.c (ivopts_data, decl_rtl_to_reset,
3925         n_iv_uses, iv_use, n_iv_cands, iv_cand,
3926         tree_ssa_iv_optimize_init, record_use, add_candidate_1,
3927         prepare_decl_rtl, free_loop_data,
3928         tree_ssa_iv_optimize_finalize): Use the VEC API instead of
3929         VARRAY.
3930
3931         * tree.h (tree_phi_node): Add a comment about the order of PHI
3932         arguments.
3933
3934 2005-04-26  Paul Brook  <paul@codesourcery.com>
3935
3936         * config/arm/arm.md (thumb_mulsi3): Use two-operand assembly form.
3937
3938 2005-04-26  Nathan Sidwell  <nathan@codesourcery.com>
3939
3940         * config/mips.mips.c (mips_legitimize_tls_address): Use
3941         gcc_unreachable.
3942
3943         * config/mmix/mmix.c (mmix_assemble_integer): Use gcc_assert.
3944         * config/mmix/crti.asm (_init): Reword comment to avoid 'abort'.
3945         * config/mmix/mmix.md (nonlocal_goto_receiver): Likewise.
3946
3947         * config/sparc/sparc.h (enum reg_class): Reword comment to avoid
3948         'abort'.
3949
3950 2005-04-26  Jeff Law  <law@redhat.com>
3951
3952         * tree-flow-inline.h (op_iter_next_must_and_may_def): New.
3953         (op_iter_init_must_and_may_def): Likewise.
3954         (unmodifiable_var_p): Move to a later point in the file.
3955         * tree-ssa-operands.h (FOR_EACH_SSA_MUST_AND_MAY_DEF_OPERAND): New.
3956         * tree-ssa-dse.c (need_imm_uses_for): Remove, no longer needed.
3957         (dse_record_phis): Directly check for virtual operands rather than
3958         using need_imm_uses_for.
3959         (dse_optimize_stmt): Handle V_MUST_DEF operands.  Handle case where
3960         store has multiple V_{MAY,MUST}_DEF operands.
3961
3962 2005-04-26  Andrew MacLeod  <amacleod@redhat.com>
3963
3964         * tree-cfg.c (bsi_replace): Delink immediate uses for the original
3965         stmt.
3966
3967 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
3968
3969         * tree-cfg.c (lv_adjust_loop_header_phi): Speed up moving a
3970         call to find_edge outside a loop to go through a PHI chain.
3971
3972 2004-04-26  Richard Guenther  <rguenth@gcc.gnu.org>
3973
3974         PR tree-optimization/17598
3975         * fold-const.c (fold_binary): Fold comparisons of addresses
3976         of COMPONENT_REFs which reference the same field to
3977         comparisons of the addresses of the base objects.
3978
3979 2005-04-26  Julian Brown  <julian@codesourcery.com>
3980
3981         * config/arm/arm.c (arm_return_in_msb): New function.
3982         (arm_must_pass_in_stack): New function.
3983         (TARGET_RETURN_IN_MSB): Define target hook.
3984         (TARGET_MUST_PASS_IN_STACK): Define target hook.
3985         (arm_function_value): Pad small aggregate return.
3986         (arm_pad_arg_upward): New function.
3987         (arm_pad_reg_upward): New function.
3988         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Include complex values.
3989         (FUNCTION_ARG_PADDING): Define macro.
3990         (BLOCK_REG_PADDING): Define macro.
3991         (PAD_VARARGS_DOWN): Correct padding for AAPCS.
3992         * config/arm/arm-protos.h (arm_pad_arg_upward): Declare function.
3993         (arm_pad_reg_upward): Declare function.
3994
3995 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
3996
3997         * basic-block.h (ei_cond): New.
3998         (FOR_EACH_EDGE): Call ei_cond.
3999
4000         PR tree-optimization/21047
4001         * fold-const.c (fold_binary): Abort on ASSERT_EXPR.
4002         (fold): Don't handle ASSERT_EXPR.
4003
4004 2005-04-25  Roger Sayle  <roger@eyesopen.com>
4005
4006         * sched-deps.c (sched_analyze_1): On STACK_REGS targets, x87, treat
4007         all writes to any stack register as a read/write dependency on
4008         FIRST_STACK_REG.
4009         (sched_analyze_2): Likewise, for reads from any stack register.
4010
4011 2005-04-25  Richard Henderson  <rth@redhat.com>
4012
4013         * final.c (output_addr_const): Revert 2005-04-09 change.
4014
4015 2005-04-25  Mike Stump  <mrs@apple.com>
4016
4017         * config/darwin.c (darwin_encode_section_info): Always set
4018         MACHO_SYMBOL_STATIC for all ! TREE_PUBLIC symbols.
4019
4020 2005-04-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4021
4022         * collect2.c, gcc.c, gcov-dump.c, gcov.c, gen-protos.c,
4023         gensupport.c, protoize.c, toplev.c: Replace calls to
4024         `unlock_stream' with `unlock_std_streams'.
4025
4026 2005-04-25  Devang Patel <dpatel@apple.com>
4027
4028         * dbxout.c (dbxout_type): Emit attribute vector.
4029
4030 2005-04-05  Paul Brook  <paul@codesourcery.com>
4031
4032         * target-def.h (TARGET_CXX_USE_AEABI_ATEXIT): Define.
4033         * target.h (struct gcc_target): Add cxx.use_aeabi_atexit.
4034         * config/arm/arm.c (arm_cxx_atexit_name): New function.
4035         (TARGET_CXX_USE_AEABI_ATEXIT): New macro.
4036         * cp/decl.c (get_atexit_node): Reorder arguments for __aeabi_atexit.
4037         (register_dtor_fn): Likewise.
4038         * doc/tm.texi: Document TARGET_CXX_USE_AEABI_ATEXIT.
4039
4040 2005-04-25  Ian Lance Taylor  <ian@airs.com>
4041
4042         * c-common.def (EXPR_STMT): Remove, moved to C++ frontend.
4043         * c-common.h (EXPR_STMT_EXPR): Don't define.
4044         (c_common_stmt_codes): Don't define.
4045         * c-dump.c (c_dump_tree): Remove EXPR_STMT case.
4046         * c-gimplify.c (gimplify_expr_stmt): Remove.
4047         (c_gimplify_expr): Remove EXPR_STMT case.
4048         * c-objc-common.c (c_objc_common_init): Remove stmt_codes and call
4049         to INIT_STATEMENT_CODES.
4050         * c-pretty-print.c (pp_c_statement): Just call dump_generic_node.
4051
4052 2005-04-25  Jan Hubicka  <jh@suse.cz>
4053
4054         * tree-cfg.c (tree_duplicate_bb): Duplicate EH region too.
4055
4056         * except.c: Include diagnostic.h
4057         (dump_eh_tree, verify_eh_tree): New functions.
4058         * except.h (verify_eh_tree, dump_eh_tree, verify_eh_edges): Declare.
4059         * tree-cfg.c (tree_verify_flow_info): verify eh edges.
4060         (dump_function_to_file): dump eh tree.
4061         * tree-eh.c (mark_eh_edge): New function.
4062         (mark_eh_edge_found_error): New static variable.
4063         (verify_eh_edges): New function.
4064
4065 2005-04-25  Nathan Sidwell  <nathan@codesourcery.com>
4066
4067         * tree-ssa-alias.c (fieldoff_t): Remove.
4068         (fieldoff_s): typedef the structure itself.  Create a vector of
4069         objects.
4070         (push_fields_onto_fieldstack): Return count of fields pushed.
4071         Remove peeling of first field.  Adjust.
4072         (fieldoff_compare): Adjust.
4073         (create_overlap_variables_for): Adjust.
4074
4075 2005-04-25  Joseph S. Myers  <joseph@codesourcery.com>
4076
4077         * doc/invoke.texi (Blackfin Options): Avoid empty @opindex line.
4078
4079 2005-04-25  Joseph S. Myers  <joseph@codesourcery.com>
4080
4081         PR bootstrap/21215
4082         * doc/install.texi: Document correct assembler and linker to use
4083         on i?86-*-solaris2.10.
4084
4085 2005-04-25  Steven Bosscher  <stevenb@suse.de>
4086
4087         Fix PR tree-optimization/21173
4088
4089         * tree-ssa-pre.c (create_expression_by_pieces): Simplify code.
4090         Unshare expression we pass to force_gimple_operand.
4091
4092 2005-04-25  J"orn Rennecke <joern.rennecke@st.com>
4093             Stephen Clarke <stevec@superh.com>
4094             Roger Sayle <roger@eyesopen.com>
4095
4096         PR rtl-optimization/20413
4097         * cfgrtl.c (redirect_edge_and_branch): Use Pmode instead of
4098         VOIDmode for LABEL_REF.
4099         * final.c (shorten_branches): Likewise.
4100         * jump.c (mark_all_labels, redirect_exp_1): Likewise.
4101         * loop.c (reg_dead_after_loop): Likewise.
4102         * varasm.c (decode_addr_const): Likewise.
4103         * doc/rtl.texi: Document mode requirement for LABEL_REF.
4104
4105 2005-04-25  Ralf Corsepius  <ralf.corsepius@rtems.org>
4106
4107         * config.gcc (avr-*-*): Remove redundant "case".
4108
4109 2005-04-25  Kazu Hirata  <kazu@cs.umass.edu>
4110
4111         * tree-vect-analyze.c (vect_mark_relevant): Take
4112         VEC(tree,heap) instead of varray_type as an argument.
4113         (vect_mark_stmts_to_be_vectorized): Change the type of
4114         worklist to VEC(tree,heap).  Adjust uses of worklist.
4115
4116 2005-04-24  Devang Patel  <dpatel@apple.com>
4117
4118         *  config/rs6000/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): New.
4119
4120 2005-04-24  Ian Lance Taylor  <ian@airs.com>
4121
4122         * c-semantics.c (build_stmt): Remove test of specific tree codes
4123         for TREE_SIDE_EFFECTS handling.
4124
4125 2005-04-24  Per Bothner  <per@bothner.com>
4126
4127         * c-opts.c (finish_options):  Make the line-number of the <built-in>
4128         location 0, as assumed elsewhere, rather than 1.
4129
4130 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
4131
4132         * tree-ssa-uncprop.c (equiv_stack): Change the type o
4133         VEC(tree,heap).
4134         (tree_ssa_uncprop, uncprop_finalize_block,
4135         uncprop_initialize_block): Update uses of equiv_stack.
4136
4137 2005-04-24  Richard Henderson  <rth@redhat.com>
4138
4139         PR rtl-opt/21163
4140         * simplify-rtx.c (simplify_binary_operation) <IOR>: Check
4141         for SCALAR_INT_MODE_P instead of not MODE_CC before returning
4142         constm1_rtx.
4143         <AND, LSHIFTRT, UMIN>: Use CONST0_RTX.
4144         <UDIV, UMOD>: Use CONST0_RTX and CONST1_RTX.
4145         <DIV, MOD>: Likewise.
4146
4147 2005-04-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4148
4149         * collect2.c (main): Unlock the stdio streams.
4150         * gcc.c (main): Likewise.
4151         * gcov-dump.c (main): Likewise.
4152         * gcov.c (main): Likewise.
4153         * gen-protos.c (main): Likewise.
4154         * gensupport.c (init_md_reader_args_cb): Likewise.
4155         * protoize.c (main): Likewise.
4156         * toplev.c (general_init): Likewise.
4157
4158 2005-04-24  Jakub Jelinek  <jakub@redhat.com>
4159
4160         PR middle-end/20991
4161         * cgraph.h (cgraph_local_info): Add vtable_method field.
4162         * varasm.c (mark_decl_referenced): If cgraph_global_info_ready
4163         and node is vtable_method, finalized and not reachable, don't do
4164         anything.
4165
4166 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
4167
4168         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Use
4169         COMPARISON_CLASS_P.
4170         * tree-ssa-pre.c (create_value_expr_from): Use
4171         CONSTANT_CLASS_P and REFERENCE_CLASS_P.
4172         * tree-ssa-propagate.c (stmt_makes_single_load,
4173         stmt_makes_single_store): Use REFERENCE_CLASS_P.
4174         * tree-vect-transform.c (vect_is_simple_cond): Use
4175         COMPARISON_CLASS_P.
4176         * tree-vrp.c (extract_range_from_assert,
4177         build_assert_expr_for, fp_predicate, has_assert_expr): Use
4178         COMPARISON_CLASS_P.
4179
4180         * tree-ssa-live.c (build_tree_conflict_graph): Change the type
4181         of tpa_to_clear to VEC(int,heap).  Update uses of
4182         tpa_to_clear.  Free tpa_to_clear at the end.
4183
4184 2005-04-24  Andrew Pinski  <pinskia@physics.uc.edu>
4185
4186         * tree.h (TREE_THIS_VOLATILE): Document the effect on a
4187         function decl.
4188
4189 2005-04-24  Nathan Sidwell  <nathan@codesourcery.com>
4190
4191         * config/rs6000/rs6000.c (rs6000_override_options): Use gcc_assert
4192         and gcc_unreachable as appropriate.
4193         (num_insns_constant, output_vec_const_move,
4194         build_mask64_2_operands, rs6000_output_dwarf_dtprel,
4195         rs6000_emit_set_const, rs6000_emit_move,
4196         spe_build_register_parallel, function_arg,
4197         rs6000_move_block_from_reg, altivec_expand_predicate_builtin,
4198         spe_expand_predicate_builtin, spe_expand_evsel_builtin,
4199         rs6000_expand_builtin, spe_init_builtins, altivec_init_builtins,
4200         rs6000_common_init_builtins, expand_block_clear,
4201         expand_block_move, validate_condition_mode, ccr_bit, extract_MB,
4202         extract_ME, rs6000_get_some_local_dynamic_name,
4203         rs6000_output_function_entry, print_operand,
4204         print_operand_address, rs6000_generate_compare, rs6000_emit_sCOND,
4205         output_cbranch, output_e500_flip_gt_bit,
4206         rs6000_emit_vector_compare, rs6000_emit_vector_compare,
4207         rs6000_emit_cmove, rs6000_emit_minmax, rs6000_split_multireg_move,
4208         compute_save_world_info, rs6000_stack_info,
4209         rs6000_emit_load_toc_table, rs6000_frame_related,
4210         spe_synthesize_frame_save, rs6000_emit_epilogue,
4211         rs6000_output_function_epilogue, rs6000_hash_constant, output_toc,
4212         output_function_profiler, rs6000_trampoline_size,
4213         rs6000_initialize_trampoline, find_addr_reg,
4214         rs6000_machopic_legitimize_pic_address,
4215         rs6000_initial_elimination_offset,
4216         rs6000_dbx_register_number): Likewise.
4217         * config/rs6000/rs6000.md (*fix_truncdfsi2_internal,
4218         *movdf_hardfloat32, *movdf_softfloat32, *fix_trunctfsi2_internal,
4219         *movti_power, *movti_string, call, call_value, sibcall,
4220         sibcall_value): Likewise.
4221         * config/rs6000/spe.md (*movdf_e500_double,
4222         *movv2si_internal): Likewise.
4223         * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): Remove 'abort'
4224         from comment.
4225
4226 2005-04-24  Richard Henderson  <rth@redhat.com>
4227
4228         PR target/21101
4229         * config/i386/i386.h (CANNOT_CHANGE_MODE_CLASS): Move guts to ...
4230         * config/i386/i386.c (ix86_cannot_change_mode_class): ... here.
4231         Deny modes smaller than 4 bytes.
4232         * config/i386/i386-protos.h: Update.
4233
4234 2005-04-24  Ralf Corsepius  <ralf.corsepius@rtems.org>
4235
4236         * config.gcc (h8300-*-rtems*): Add h8300-*-rtemscoff*.
4237         Switch h8300-*-rtems* to ELF.
4238
4239 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
4240
4241         * vec.h (VEC_safe_grow): Replace grow with safe_grow.
4242
4243 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
4244
4245         * ipa-inline.c, tree-ssa-operands.h: Fix comment typos.
4246
4247 2005-04-23  Richard Guenther  <rguenth@gcc.gnu.org>
4248
4249         PR middle-end/21082
4250         * fold-const.c: Fold &a[i]-&a[j] to i-j.
4251
4252 2005-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
4253
4254         * tree-ssa-loop-niter.c (tree_simplify_using_condition): Expand simple
4255         definitions of ssa names in condition.  Split recusive part to ...
4256         (tree_simplify_using_condition_1): New function.
4257         (expand_simple_operations): New function.
4258
4259 2005-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
4260
4261         * tree-ssa-loop-ivopts.c (struct cost_pair): Add value field.
4262         (find_interesting_uses_cond): Do not use integer_zerop and
4263         integer_nonzerop to check for integer constants.
4264         (set_use_iv_cost): Record the value field.
4265         (determine_use_iv_cost_generic, determine_use_iv_cost_address,
4266         determine_use_iv_cost_outer): Set the value field of the cost pair.
4267         (may_eliminate_iv): Do not return the comparison code.
4268         (iv_elimination_compare): New function.
4269         (determine_use_iv_cost_condition): Set the value field.  Record
4270         noneliminable invariants correctly.
4271         (rewrite_use_compare, rewrite_use_outer): Use the value field.
4272
4273 2005-04-23  DJ Delorie  <dj@redhat.com>
4274
4275         * diagnostic.c (warning): Accept parameter to classify warning option.
4276         (warning0): New, for when a pointer to an error() like function is needed.
4277         * errors.c (warning): Likewise.
4278         * errors.h (warning, warning0): Adjust prototypes.
4279         * toplev.h (warning, warning0): Likewise.
4280
4281         * attribs.c, builtins.c, c-common.c, c-decl.c, c-format.c,
4282         c-gimplify.c, c-lex.c, c-objc-common.c, c-opts.c, c-parser.c,
4283         c-pragma.c, c-typeck.c, calls.c, cgraph.c, coverage.c, emit-rtl.c,
4284         fold-const.c, fortran/trans-decl.c, function.c, gcse.c,
4285         genautomata.c, haifa-sched.c, opts.c, passes.c, regclass.c,
4286         reload1.c, stmt.c, stor-layout.c, toplev.c, tree-cfg.c,
4287         tree-dump.c, tree-inline.c, tree-mudflap.c, tree-optimize.c,
4288         tree-ssa.c, tree.c, varasm.c: Adjust warning() callers.
4289
4290         * config/alpha/alpha.c, config/arc/arc.c, config/arm/arm.c,
4291         config/avr/avr.c, config/bfin/bfin.c, config/c4x/c4x-c.c,
4292         config/c4x/c4x.c, config/cris/cris.c, config/darwin-c.c,
4293         config/darwin.c, config/darwin.h, config/h8300/h8300.c,
4294         config/i386/cygming.h, config/i386/djgpp.h, config/i386/i386.c,
4295         config/i386/winnt.c, config/ia64/ia64-c.c, config/ia64/ia64.c,
4296         config/ip2k/ip2k.c, config/m32r/m32r.c, config/m68hc11/m68hc11.c,
4297         config/m68k/m68k.c, config/mcore/mcore.c, config/mips/mips.c,
4298         config/mmix/mmix.c, config/ns32k/ns32k.c, config/pa/pa-hpux11.h,
4299         config/pa/pa.c, config/rs6000/aix43.h, config/rs6000/aix51.h,
4300         config/rs6000/aix52.h, config/rs6000/darwin.h,
4301         config/rs6000/rs6000-c.c, config/rs6000/rs6000.c,
4302         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
4303         config/sh/symbian.c, config/sol2-c.c, config/sol2.c,
4304         config/stormy16/stormy16.c, config/v850/v850-c.c,
4305         config/v850/v850.c, config/xtensa/xtensa.c: Adjust warning()
4306         callers.
4307
4308 2005-04-23  Richard Henderson  <rth@redhat.com>
4309
4310         PR rtl-opt/21102
4311         * simplify-rtx.c (simplify_binary_operation): Fix mode check before
4312         performing some integral scalar simplifications.
4313
4314 2005-04-23  Richard Henderson  <rth@redhat.com>
4315
4316         PR target/21099
4317         * config/i386/i386.c (ix86_split_to_parts): Use proper mode when
4318         simplifying CONST_VECTOR.
4319
4320 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
4321
4322         * tree-ssa-live.c (live_worklist): Take a stack allocated on
4323         heap as an argument.  Update uses of stack.
4324         (calculate_live_on_entry): Allocate stack on heap.
4325
4326         * tree-ssa-live.c (build_tree_conflict_graph): Allocate
4327         partition_link and tpa_nodes on heap.
4328
4329         * tree-ssa-dce.c (worklist): Change to VEC(tree,heap).
4330         (mark_stmt_necessary, propagate_necessity,
4331         mark_really_necessary_kill_operand_phis): Update uses of
4332         worklist.
4333         (tree_dce_init): Allocate worklist using VEC_alloc.
4334         (tree_dce_done): Free worklist using VEC_free.
4335
4336 2005-04-23  Mike Stump  <mrs@apple.com>
4337
4338         * config/darwin.c (machopic_indirection_name): Don't use
4339         quotes needlessly.
4340         (darwin_emit_unwind_label): Use user_label_prefix instead of
4341         "_".
4342
4343 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
4344
4345         * final.c, ipa-inline.c, varasm.c: Fix comment typos.
4346
4347 2005-04-23  Hans-Peter Nilsson  <hp@axis.com>
4348
4349         * config.gcc <cris-*>: Specify .opt files.
4350         * config/cris/cris.opt, config/cris/elf.opt, config/cris/aout.opt,
4351         config/cris/linux.opt: New files.
4352         * config/cris/aout.h (CRIS_SUBTARGET_SWITCHES)
4353         (CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
4354         (TARGET_ELF): Override to 0.
4355         (CRIS_SUBTARGET_HANDLE_OPTION): Override to handle -melinux and
4356         -melinux-stacksize=N.
4357         * config/cris/cris.c: (cris_handle_option): New function.
4358         (TARGET_DEFAULT_TARGET_FLAGS): Override.
4359         (TARGET_HANDLE_OPTION): Override to cris_handle_option.
4360         (cris_override_options): Use MASK_*, not TARGET_MASK_*.
4361         * config/cris/cris.h (TARGET_MASK_SVINTO, TARGET_SVINTO,
4362         (TARGET_MASK_CCINIT, TARGET_CCINIT, TARGET_MASK_PDEBUG)
4363         (TARGET_PDEBUG, TARGET_MASK_SIDE_EFFECT_PREFIXES)
4364         (TARGET_SIDE_EFFECT_PREFIXES, TARGET_MASK_EXPAND_MUL)
4365         (TARGET_EXPAND_MUL, TARGET_MASK_STACK_ALIGN, TARGET_STACK_ALIGN)
4366         (TARGET_MASK_CONST_ALIGN, TARGET_CONST_ALIGN)
4367         (TARGET_MASK_DATA_ALIGN, TARGET_DATA_ALIGN)
4368         (TARGET_MASK_PROLOGUE_EPILOGUE, TARGET_PROLOGUE_EPILOGUE)
4369         (TARGET_MASK_ETRAX4_ADD, TARGET_ETRAX4_ADD)
4370         (TARGET_MASK_ALIGN_BY_32, TARGET_ALIGN_BY_32, TARGET_MASK_ELF)
4371         (TARGET_ELF, TARGET_MASK_LINUX, TARGET_LINUX)
4372         (TARGET_MASK_AVOID_GOTPLT, TARGET_AVOID_GOTPLT)
4373         (TARGET_MASK_MUL_BUG, TARGET_MUL_BUG, TARGET_SWITCHES)
4374         (CRIS_SUBTARGET_SWITCHES, TARGET_OPTIONS)
4375         (CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
4376         (TARGET_LINUX): Define 0.
4377         (TARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.
4378         (CRIS_SUBTARGET_DEFAULT): Define to 0, not TARGET_MASK_ELF.
4379         (CRIS_SUBTARGET_DEFAULT): New empty default macro.
4380         * config/cris/linux.h (CRIS_SUBTARGET_SWITCHES): Don't define.
4381         (TARGET_LINUX): Override to 1.
4382         (CRIS_SUBTARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.
4383
4384 2005-04-23  Nathan Sidwell  <nathan@codesourcery.com>
4385
4386         * haifa-sched.c (schedule_block): Fix thinko in previous
4387         assertification patch.
4388
4389 2005-04-23  Richard Sandiford  <rsandifo@redhat.com>
4390
4391         * config.gcc (hppa[12]*-*-hpux10*): Add pa/pa-hpux.opt to
4392         $extra_options.  Also add pa/pa-hpux1010.opt for hpux10.[1-9]*.
4393         (hppa*64*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file.  Add
4394         pa/pa-hpux.opt, pa/pa-hpux1010.opt and pa/pa64-hpux.opt to
4395         $extra_options.  Also add pa/pa-hpux1111.opt for hpux11.[1-9]*.
4396         (hppa[12]*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file.  Add
4397         pa/pa-hpux.opt to $extra_options.  Also add pa/pa-hpux1111.opt
4398         for hpux11.[1-9]*.
4399         * config/pa/pa.h (architecture_type, rtx_def, pa_arch_string, pa_arch)
4400         (pa_fixed_range_string, pa_cpu_string, pa_unix_string, target_flags)
4401         (MASK_PA_11, MASK_DISABLE_FPREGS, TARGET_DISABLE_FPREGS)
4402         (MASK_NO_SPACE_REGS, TARGET_NO_SPACE_REGS, MASK_JUMP_IN_DELAY)
4403         (TARGET_JUMP_IN_DELAY, MASK_DISABLE_INDEXING, TARGET_DISABLE_INDEXING)
4404         (MASK_PORTABLE_RUNTIME, TARGET_PORTABLE_RUNTIME, MASK_GAS, TARGET_GAS)
4405         (MASK_SOFT_FLOAT, TARGET_SOFT_FLOAT, MASK_LONG_LOAD_STORE)
4406         (TARGET_LONG_LOAD_STORE, MASK_FAST_INDIRECT_CALLS)
4407         (TARGET_FAST_INDIRECT_CALLS, MASK_BIG_SWITCH, TARGET_BIG_SWITCH)
4408         (MASK_PA_20, MASK_SIO, TARGET_SIO, MASK_GNU_LD, TARGET_GNU_LD)
4409         (MASK_LONG_CALLS, TARGET_LONG_CALLS, TARGET_PA_11, TARGET_PA_20)
4410         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS)
4411         (SUBTARGET_OPTIONS): Delete.
4412         (TARGET_PA_10): Redefine in terms of TARGET_PA_11 and TARGET_PA_20.
4413         (TARGET_SCHED_DEFAULT): Define to a PROCESSOR_* enum (PROCESSOR_8000)
4414         instead of a string.
4415         * config/pa/pa.c (pa_arch, pa_arch_string, pa_fixed_range_string)
4416         (pa_cpu_string, pa_unix_string): Delete.
4417         (pa_cpu): Initialize to TARGET_SCHED_DEFAULT.
4418         (flag_pa_unix): Initialize based on TARGET_HPUX_11_11 and
4419         TARGET_HPUX_10_10.
4420         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
4421         (pa_handle_option): New function.
4422         (override_options): Remove handling of -march=, -mfixed-range=,
4423         -mschedule= and -munix=.
4424         * config/pa/pa-hpux.h (SUBTARGET_SWITCHES): Delete.
4425         * config/pa/pa-hpux1010.h (SUBTARGET_OPTIONS): Delete.
4426         * config/pa/pa-hpux10.h (SUBTARGET_OPTIONS): Delete.
4427         * config/pa/pa-hpux1111.h (SUBTARGET_OPTIONS): Delete.
4428         * config/pa/pa-hpux11.h (SUBTARGET_OPTIONS): Delete.
4429         * config/pa/pa64-hpux.h (SUBTARGET_SWITCHES): Delete.
4430         * config/pa/pa64-start.h (TARGET_PA_11, TARGET_PA_20): #undef before
4431         redefining.
4432         * config/pa/pa.opt: New file.
4433         * config/pa/pa-hpux.opt: New file.
4434         * config/pa/pa-hpux1010.opt: New file.
4435         * config/pa/pa-hpux1111.opt: New file.
4436         * config/pa/pa64-hpux.opt: New file.
4437
4438 2005-04-22  David S. Miller  <davem@davemloft.net>
4439
4440         * rtl.h (CONST_DOUBLE): Fix comment, a CONST_DOUBLE holds an
4441         integer when it's mode is VOIDmode not DImode.
4442
4443 2005-04-22  Geoffrey Keating  <geoffk@apple.com>
4444
4445         * config/rs6000/rs6000.md (sync_add<mode>_internal,
4446         sync_addshort_internal, sync_sub<mode>_internal, sync_andsi_internal,
4447         sync_anddi_internal, sync_boolsi_internal, sync_booldi_internal,
4448         sync_boolc<mode>_internal, sync_boolc<mode>_internal2,
4449         sync_boolcc<mode>_internal, sync_lock_test_and_set<mode>): Use
4450         "bne- $-xxx" rather than local labels.
4451         (sync_lock_release<mode>): Add second operand.
4452         (lwsync): Use .long rather than a more meaningful opcode.
4453         * doc/md.texi (Standard Names): Add description of second
4454         parameter to sync_lock_test_and_set.
4455
4456 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
4457
4458         PR tree-optimization/21088
4459         * fold-const.c (fold_unary, fold_binary, fold_ternary):
4460         Export.
4461         * tree-vrp.c (compare_values): Use fold_binary to compare
4462         pointers.  Use boolean_type_node as the type of a comparison
4463         expression being folded.
4464         * tree.h: Add prototypes for fold_unary, fold_binary,
4465         fold_ternary.
4466
4467         * tree-ssa-dom.c: Fix formatting.
4468
4469 2005-04-22  Diego Novillo  <dnovillo@redhat.com>
4470
4471         * Makefile.in (tree-into-ssa.o): Add dependency on PARAMS_H.
4472         * lambda-code.c (perfect_nestify): Mark virtual operands in
4473         the moved statement for renaming.
4474         * params.def (PARAM_MIN_VIRTUAL_MAPPINGS): Define.
4475         (PARAM_VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
4476         * params.h (MIN_VIRTUAL_MAPPINGS): Define.
4477         (VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
4478         * tree-flow.h (struct var_ann_d): Update comments.
4479         (rewrite_to_new_ssa_names_bb, rewrite_to_new_ssa_names,
4480         allocate_ssa_names, find_phi_node_for, dump_tree_ssa,
4481         debug_tree_ssa, debug_def_blocks, dump_tree_ssa_stats,
4482         debug_tree_ssa_stats, rewrite_ssa_into_ssa,
4483         dump_repl_tbl, debug_repl_tbl, dump_names_replaced_by,
4484         debug_names_replaced_by): Remove declarations.
4485         (delete_update_ssa, get_current_def, set_current_def): Declare.
4486         (rewrite_into_loop_closed_ssa): Add new argument.  Update
4487         all callers.
4488         * tree-into-ssa.c: Include params.h.
4489         (old_virtual_ssa_names): Remove.  Update all users.
4490         (need_to_replace_names_p): Remove.  Update all users.
4491         (struct update_ssa_stats_d): Declare.
4492         (update_ssa_stats): New local.
4493         (dump_tree_ssa, debug_tree_ssa, debug_def_blocks,
4494         dump_tree_ssa_stats, debug_tree_ssa_stats,
4495         dump_update_ssa, debug_update_ssa,
4496         dump_names_replaced_by, debug_names_replaced_by): Declare.
4497         (get_current_def, set current_def): Make extern.
4498         (is_old_name, is_new_name): Protect against references
4499         past the end of the sets.
4500         (add_new_name_mapping): Assert that OLD and NEW are
4501         different SSA names for the same symbol.
4502         When adding a virtual mapping, update stats for virtual
4503         mapping heuristic.
4504         (insert_phi_nodes_for): If UPDATE_P is true, create the
4505         LHS of the new PHI by duplicating SSA name VAR.
4506         (insert_phi_nodes_1): Remove.  Update all users.
4507         (insert_phi_nodes): Remove second argument.  Update all
4508         users.
4509         (maybe_replace_use, maybe_replace_def): New.
4510         (rewrite_update_stmt): Call them.
4511         (mark_def_interesting): Remove calls to is_gimple_reg.
4512         (prepare_phi_args_for_update): Remove.  Update all users.
4513         (prepare_block_for_update): Only process virtual operands
4514         and GIMPLE registers in normal form.
4515         (prepare_use_sites_for): New.
4516         (prepare_names_to_update): Rename from prepare_def_sites.
4517         Call prepare_use_sites_for.
4518         (dump_update_ssa): Rename from dump_repl_tbl.
4519         Update all users.
4520         Show statistics for virtual mapping heuristic.
4521         (debug_update_ssa): Rename from debug_debug_repl_tbl.
4522         (init_update_ssa): Initialize UPDATE_SSA_STATS.
4523         (delete_update_ssa): Make extern.
4524         (mark_set_for_renaming): If the set is empty, do nothing.
4525         (release_ssa_name_after_update_ssa): Update comment.
4526         (insert_updated_phi_nodes_for): Do not remove existing
4527         PHI nodes for symbols.
4528         (switch_virtuals_to_full_rewrite_p): New.
4529         (switch_virtuals_to_full_rewrite): New.
4530         (update_ssa): Call them.
4531         Clear REWRITE_THIS_STMT and REGISTER_DEFS_IN_THIS_STMT
4532         for every statement before updating.
4533         If all the names in NEW_SSA_NAMES have been marked for
4534         removal, do nothing.
4535         Only start at the top of the CFG if there are symbols in
4536         SYMS_TO_RENAME.
4537         (ssa_rewrite_finalize_block): Remove.
4538         (ssa_register_new_def): Remove.
4539         (ssa_rewrite_stmt): Remove.
4540         (ssa_rewrite_phi_arguments): Remove.
4541         (ssa_rewrite_initialize_block): Remove.
4542         (ssa_mark_def_sites): Remove.
4543         (ssa_mark_def_sites_initialize_block): Remove.
4544         (ssa_mark_phi_uses): Remove.
4545         (rewrite_ssa_into_ssa): Remove.
4546         * tree-phinodes.c (find_phi_node_for): Remove.
4547         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
4548         Call update_ssa.
4549         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops):
4550         Remove calls to verify_dominators and
4551         verify_loop_structure.
4552         (tree_unswitch_single_loop): Call update_ssa.
4553         * tree-ssa.c (verify_ssa): Assert that need_ssa_update_p
4554         returns false.
4555         Call verify_stmts.
4556         (delete_tree_ssa): Assert that need_ssa_update_p returns
4557         false.
4558         * tree-vect-transform.c (vect_transform_loop): Call update_ssa.
4559         * tree-vectorizer.c (allocate_new_names, rename_def_op,
4560         free_new_names): Remove.  Update all users.
4561         (rename_use_op): Call get_current_def.
4562         (rename_variables_in_bb): Do not handle any real or
4563         virtual definition.
4564         (slpeel_update_phis_for_duplicate_loop): Call
4565         get_current_def and set_current_def instead of using
4566         SSA_NAME_AUX.
4567         (slpeel_update_phi_nodes_for_guard2): Reformat comments.
4568         (slpeel_can_duplicate_loop_p): Call need_ssa_update_p,
4569         ssa_names_to_replace and delete_update_ssa.
4570         * doc/invoke.texi: Document --param min-virtual-mappings
4571         and --param virtual-mappings-ratio.
4572
4573 2005-04-22  Diego Novillo  <dnovillo@redhat.com>
4574
4575         * tree-cfg.c (tree_duplicate_bb): Call create_new_def_for
4576         for newly created PHI nodes.
4577         Call create_new_def_for for every new V_MAY_DEF and
4578         V_MUST_DEF on the copied statement.
4579         (struct ssa_name_map_entry): Remove.
4580         (ssa_name_map_entry_hash): Remove.
4581         (ssa_name_map_entry_eq): Remove.
4582         (allocate_ssa_names): Remove.
4583         (rewrite_to_new_ssa_names_def): Remove.
4584         (rewrite_to_new_ssa_names_use): Remove.
4585         (rewrite_to_new_ssa_names_bb): Remove.
4586         (rewrite_to_new_ssa_names): Remove.
4587         (tree_duplicate_sese_region): Remove variables ver,
4588         definitions, phi, ssa_name_map and bi.
4589         Call need_ssa_update_p instead of any_marked_for_rewrite_p.
4590         Call update_ssa.
4591         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
4592         update_ssa instead of rewrite_ssa_into_ssa.
4593         * tree-ssa-loop-manip.c (add_exit_phis_edge): Call
4594         create_new_def_for.
4595         (find_uses_to_rename_use): Add argument 'need_phis'.
4596         (find_uses_to_rename_stmt): Do not scan virtual operands.
4597         (find_uses_to_rename): Only scan PHI nodes for
4598         non-virtual names.
4599         (rewrite_into_loop_closed_ssa): Call update_ssa.
4600         (check_loop_closed_ssa_use): Ignore virtual operands.
4601         (check_loop_closed_ssa_stmt): Likewise.
4602         (verify_loop_closed_ssa): Do nothing if CURRENT_LOOPS is
4603         NULL.
4604         (rename_variables, set_phi_def_stmts): Remove.
4605         (tree_duplicate_loop_to_header_edge): Reformat comment.
4606         Remove variables BB, I and DEFINITIONS.
4607         Call need_ssa_update_p.
4608         Call update_ssa.
4609         (lv_adjust_loop_header_phi): Reformat comment.
4610         * tree-ssanames.c (ssa_names_to_rewrite): Remove.
4611         (marked_for_rewrite_p, any_marked_for_rewrite_p,
4612         mark_for_rewrite, unmark_all_for_rewrite,
4613         marked_ssa_names): Remove.  Update all users.
4614         (release_ssa_name): If VAR has been registered for SSA
4615         updating, do nothing.
4616         * tree-vrp.c (new_ssa_names, old_ssa_names): Remove.
4617         (build_assert_expr_for): Call register_new_name_mapping.
4618         (insert_range_assertions): Update call to update_ssa.
4619         * tree.h (mark_for_rewrite, unmark_all_for_rewrite,
4620         marked_for_rewrite_p, any_marked_for_rewrite_p,
4621         marked_ssa_names): Remove.
4622
4623 2005-04-22  Jeff Law  <law@redhat.com>
4624
4625         * tree-ssa-dom.c (block_defs_stack): Remove, no longer needed.
4626         (restore_currdefs_to_original_value): Likewise.
4627         (register_definitions_for_stmt): Likewise.
4628         (tree_ssa_dominator_optimize): No longer initialize CURRENT_DEF
4629         for each variable.  Do not allocate/free block_defs_stack either.
4630         Do not iterate if we just thread jumps.  Only iterate if the
4631         tree_cleanup_cfg does useful work (temporary).
4632         (dom_opt_initialize_block): No longer push a marker on
4633         BLOCK_DEFS_STACK.
4634         (dom_opt_finalize_block): Removal call to restore currdefs.
4635         Relax restrictions for recording edge equivalences.
4636         (record_equivalences_from_phis): No longer need to track
4637         CURRENT_DEF.
4638         (optimize_stmt): Similarly.
4639         (thread_across_edge): Simplify by removing the requirement that
4640         statements in the block we are threading through must be nops.
4641         (initialize_hash_element): Handle GOTO_EXPR.
4642
4643 2005-04-22  David S. Miller  <davem@davemloft.net>
4644
4645         * sched-vis.c (print_value): Use CONST_DOUBLE_LOW and
4646         CONST_DOUBLE_HIGH.
4647         * config/sparc/sparc.c (sparc_rtx_costs): Likewise, and
4648         fix check on CONST_DOUBLE mode.  It should be VOIDmode
4649         when it is representing an integer.
4650
4651 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
4652
4653         * builtins.c (gimplify_va_arg_expr): Reword comments to avoid
4654         'abort'. Use gcc_assert and gcc_unreachable as appropriate.
4655         * c-format.c (get_constant, decode_format_attr, get_flag_spec,
4656         find_char_info_specifier_index,
4657         find_length_info_modifier_index): Likewise.
4658         * c-typeck.c (composite_type, pop_init_level): Likewise.
4659         * combine.c (cant_combine_insn_p, try_combine): Likewise.
4660         * cse.c (cse_insn): Likewise
4661         * dominance.c (calc_dfs_tree): Likewise
4662         dwarf2out.c (loc_descriptor_from_tree_1,
4663         add_abstract_origin_attribute, force_decl_die,
4664         force_type_die): Likewise
4665         emit-rtl.c (operand_subword_force): Likewise
4666         explow.c (hard_function_value): Likewise
4667         expmed.c (store_bit_field, expand_divmod,
4668         emit_store_flag_force): Likewise
4669         expr.c (emit_move_multi_word, store_expr,
4670         expand_expr_real_1): Likewise
4671         final.c (this_is_asm_operands, shorten_branches, final_scan_insn,
4672         output_operand): Likewise
4673         flow.c (recompute_reg_usage): Likewise
4674         * function.c (assign_stack_temp_for_type, assign_temp,
4675         handle_epilogue_set): Likewise
4676         * genextract.c (main): Likewise
4677         * gimplify.c (mostly_copy_tree_r, gimplify_return_expr,
4678         gimplify_modify_expr_rhs, gimplify_expr): Likewise
4679         * haifa-sched.c (ready_lastpos, ready_remove_first, ready_element,
4680         ready_remove, rm_line_notes, rm_other_notes,
4681         schedule_block): Likewise
4682         mips-tfile.c (copy_object, out_of_bounds): Likewise
4683
4684 2005-04-22 David Edelsohn  <edelsohn@gnu.org>
4685
4686         PR target/20813
4687         * config/rs6000/default64.h (TARGET_DEFAULT): Add MASK_PPC_GFXOPT.
4688         * config/rs6000/rs6000.c (processor_target_table): Rename rs64a to
4689         rs64.  Add MASK_PPC_GFXOPT to powerpc64 and rs64.
4690         (rs6000_init_libfuncs): Set TFmode optabs to xlq names if
4691         TARGET_XL_COMPAT.
4692         * doc/invoke.texi (PowerPC options): Change rs64a to rs64.
4693
4694 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
4695
4696         * lambda-code.c: Define VEC(int,heap), VEC(lambda_loop,heap).
4697         (gcc_tree_to_linear_expression): Convert to heap allocated
4698         vectors.
4699         (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
4700         lbv_to_gcc_expression, lle_to_gcc_expression,
4701         lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest,
4702         perfect_nestify): Likewise.
4703         lambda.h (gcc_loopnest_to_lambda_loopnest,
4704         lambda_loopnest_to_gcc_loopnest): Likewise.
4705         tree-loop-linear.c (linear_transform_loops): Likewise.
4706
4707 2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
4708
4709         * config/sparc/predicates.md (arith_double_operand): Use
4710         trunc_int_for_mode if HOST_BITS_PER_WIDE_INT >=64.
4711         * config/sparc/sparc.md (movqi, movhi, movsi, movqi): Use gen_int_mode.
4712         (DImode, DFmode constant splitters): Likewise.  Remove code for
4713         TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT < 64.
4714         (logical constant splitters): Use const_int_operand predicate.
4715         (lshrsi3_extend): Remove code for TARGET_ARCH64 &&
4716         HOST_BITS_PER_WIDE_INT < 64.
4717
4718 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
4719
4720         * config/pa/pa.c (legitimize_pic_address): Use gcc_assert and
4721         gcc_unreachable as appropriate.
4722         (force_mode, emit_move_sequence, singlemove_string,
4723         output_move_double, output_fp_move_double, find_addr_reg,
4724         output_block_move, output_block_clear, output_and,
4725         output_64bit_and, output_ior, output_64bit_ior, store_reg_modify,
4726         pa_adjust_cost, pa_issue_rate, print_operand,
4727         output_global_address, output_arg_descriptor, output_cbranch,
4728         output_lbranch, output_bb, output_bvb, output_dbra, output_movb,
4729         output_call): Likewise.
4730         * config/pa/pa.md (call, call_value, sibcall, sibcall_value,
4731         prefetch, prefetch_cc, prefetch_nocc): Likewise.
4732
4733 2005-04-22  Zdenek Dvorak  <dvorakz@suse.cz>
4734
4735         * Makefile.in (LIBGCOV): Add _gcov_interval_profiler,
4736         _gcov_pow2_profiler and _gcov_one_value_profiler.
4737         (tree-profile.o): Add GGC_H and gt-tree-profile.h dependency.
4738         (GTFILES): Add $(srcdir)/tree-profile.c.
4739         * gcov-io.h (__gcov_interval_profiler, __gcov_pow2_profiler,
4740         __gcov_one_value_profiler): Declare.
4741         * gimplify.c (force_gimple_operand): Check whether the statements
4742         should be produced in ssa form.
4743         (force_gimple_operand_bsi): New function.
4744         * libgcov.c (__gcov_interval_profiler, __gcov_pow2_profiler,
4745         __gcov_one_value_profiler): New functions.
4746         * rtl-profile.c (rtl_gen_pow2_profiler): Only measure whether
4747         the profiled value is a power of two or not.
4748         * tree-cfg.c (tree_block_ends_with_condjump_p): Handle empty blocks.
4749         * tree-flow.h (in_ssa_p): Declare.
4750         (force_gimple_operand_bsi): Declare.
4751         * tree-into-ssa.c (in_ssa_p): New variable.
4752         (rewrite_into_ssa): Set in_ssa_p.
4753         * tree-outof-ssa.c (rewrite_out_of_ssa): Set in_ssa_p.
4754         * tree-profile.c: Include ggc.h and gt-tree-profile.h.
4755         (gcov_type_node, tree_interval_profiler_fn, tree_pow2_profiler_fn,
4756         tree_one_value_profiler_fn): New variables.
4757         (tree_init_edge_profiler): Initialize the profiler function decls.
4758         (tree_gen_edge_profiler): Use global gcov_type_node.
4759         (prepare_instrumented_value): New function.
4760         (tree_gen_interval_profiler, tree_gen_interval_profiler,
4761         tree_gen_one_value_profiler): Call the library functions instead of
4762         creating instrumentation code.
4763         * tree.c (build_fn_decl): New function.
4764         * tree.h (build_fn_decl): Declare.
4765         * value-prof.c (rtl_divmod_values_to_profile,
4766         rtl_find_values_to_profile, rtl_mod_pow2_value_transform,
4767         tree_mod_pow2_value_transform, tree_find_values_to_profile):
4768         Do not handle may_be_other and precise values of exponents at pow2
4769         profiler.
4770         (tree_mod_subtract_transform): Reflect that value field of
4771         histogram has changed meaning.
4772         (tree_divmod_values_to_profile): Record the values correctly.
4773         (tree_values_to_profile): Update comment.
4774         * value-prof.h (struct histogram_value_t): Remove pow2 data.
4775
4776 2005-04-22  Joseph S. Myers  <joseph@codesourcery.com>
4777
4778         * varasm.c (do_assemble_alias): Return early if TREE_ASM_WRITTEN
4779         (decl).
4780
4781 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
4782
4783         * config/i386/i386.md (length_immediate): Use gcc_assert or
4784         gcc_unreachable, as appropriate.
4785         (*movsi_1, *movqi_1, reload_outqi, *movdi_1_rex64, *pushsf,
4786         *pushsf_rex64, *truncxfsf2_mixed, *truncxfsf2_i387,
4787         *truncxfdf2_mixed, *truncxfdf2_i387, *adddi_1_rex64,
4788         *adddi_2_rex64, *adddi_3_rex64, *adddi_4_rex64, *adddi_5_rex64,
4789         *addsi_1, addsi_1_zext, *addsi_2, *addsi_2_zext, *addsi_3,
4790         *addsi_3_zext, *addsi_4, *addsi_5, *addhi_1_lea, *addhi_1,
4791         *addhi_2, *addhi_3, *addhi_4, *addhi_5, *addqi_1_lea, *addqi_1,
4792         *addqi_1_slp, *addqi_2, *addqi_3, *addqi_4, *addqi_5, addqi_ext_1,
4793         *addqi_ext_1_rex64, *anddi_1_rex64, *andsi_1, *andhi_1,
4794         *ashldi3_1_rex64, *ashldi3_cmp_rex64, *ashlsi3_1, *ashlsi3_1_zext,
4795         *ashlsi3_cmp, *ashlsi3_cmp_zext, *ashlhi3_1_lea, *ashlhi3_1,
4796         *ashlhi3_cmp, *ashlqi3_1_lea, *ashlqi3_1, *ashlqi3_cmp,
4797         pro_epilogue_adjust_stack_1, pro_epilogue_adjust_stack_rex64,
4798         pro_epilogue_adjust_stack_rex64_2, prefetch, *prefetch_sse,
4799         *prefetch_sse_rex): Likewise.
4800         * config/i386/predicates.md (x86_64_immediate_operand,
4801         x86_64_zext_immediate_operand, symbolic_operand,
4802         no_seg_address_operand, aligned_operand,
4803         memory_displacement_operand): Likewise.
4804         * config/i386/sse.md (*mov<mode>_internal,
4805         *movv2df_internal): Likewise.
4806
4807 2005-04-22  Jan Hubicka  <jh@suse.cz>
4808
4809         * Makefile.in (ipa.o, ipa-inline.o): New files.
4810         * cgraph.h (cgraph_remove_unreachable_nodes, cgraph_postorder,
4811         cgraph_decide_inlining_incrementally, cgraph_clone_inlined_nodes,
4812         cgraph_mark_inline_edge, cgraph_default_inline_p): Declare.
4813         * cgraphunit.c (cgraph_default_inline_p,
4814         cgraph_decide_inlining_incrementally,  ncalls_inlined,
4815         nfunctions_inlined, initial_insns, overall_insns,
4816         cgraph_estimate_size_after_inlining, cgraph_estimate_growth,
4817         cgraph_clone_inlined_nodes, cgraph_mark_inline_edge,
4818         cgraph_mark_inline, cgraph_check_inline_limits,
4819         cgraph_default_inline_p, cgraph_recursive_inlining_p,
4820         update_callee_keys, lookup_recursive_calls,
4821         cgraph_decide_recursive_inlining, cgraph_set_inline_failed,
4822         cgraph_decide_inlining_of_small_functions, cgraph_decide_inlining,
4823         cgraph_decide_inlining_incrementally, cgraph_gate_inlining,
4824         pass_ipa_inline): Move to ipa-inline.c
4825         (cgraph_postorder, cgraph_remove_unreachable_nodes): Move to ipa.c
4826         * ipa.c: New file.
4827         * ipa-inline.c: New file.
4828
4829 2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
4830
4831         * doc/invoke.texi (SPARC options): Document that -mapp-regs
4832         is turned off by default on Solaris.
4833
4834 2005-04-21  Roger Sayle  <roger@eyesopen.com>
4835
4836         * c-common.h (objc_build_method_signature): Update prototype.
4837         * stub-objc.c (objc_build_method_signature): Update the stub
4838         implementation to accept and ignore additional parameter.
4839         * c-parser.c (c_parser_objc_method_decl): Reorgnize to pass
4840         the value of ellipsis to objc_build_method_signature instead
4841         of setting TREE_OVERFLOW on the parms TREE_LIST node.
4842
4843 2005-04-21  Geoffrey Keating  <geoffk@apple.com>
4844
4845         * config/rs6000/rs6000-protos.h (rs6000_emit_sync): New.
4846         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Use
4847         gen_rtx_* not gen_rtx_fmt_*.
4848         (rs6000_emit_vector_select): Likewise.
4849         (rs6000_emit_sync): New.
4850         * config/rs6000/rs6000.md (GPR, INT, INT1): New mode macros.
4851         (larx, stcx, cmp): New mode substitutions.
4852         (UNSPEC_SYNC, UNSPEC_SYNC_OP, UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC,
4853         UNSPEC_ISYNC): New constants.
4854         (rlwinm): Give name.
4855         (memory_barrier, isync, lwsync): New insns.
4856         (sync_compare_and_swap<mode>, sync_lock_test_and_set<mode>): New insn.
4857         (sync_lock_release<mode>): New expander.
4858         (sync_add<mode>, sync_sub<mode>, sync_ior<mode>, sync_and<mode>,
4859         sync_xor<mode>, sync_nand<mode>, sync_old_add<mode>,
4860         sync_old_sub<mode>, sync_old_ior<mode>, sync_old_and<mode>,
4861         sync_old_xor<mode>, sync_old_nand<mode>, sync_new_add<mode>,
4862         sync_new_sub<mode>, sync_new_ior<mode>, sync_new_and<mode>,
4863         sync_new_xor<mode>, sync_new_nand<mode>): New expanders.
4864         (sync_add<mode>_internal, sync_addshort_internal,
4865         sync_sub<mode>_internal, sync_andsi_internal, sync_anddi_internal,
4866         sync_boolsi_internal, sync_booldi_internal, sync_boolc<mode>_internal,
4867         sync_boolc<mode>_internal2, sync_boolcc<mode>_internal): New insns.
4868
4869         * doc/md.texi (Standard Names): sync_compare_and_swap's operand 0
4870         is the memory before, not after, the operation.  Clarify
4871         barrier requirements.
4872
4873 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
4874
4875         * cfghooks.h (struct cfg_hooks): Reword comments to avoid 'abort'.
4876         * lambda.h (lambda_vector_min_nz): Likewise.
4877         * langhooks.h (struct lang_hooks_for_types,
4878         struct lang_hooks): Likewise.
4879         * output.h (assemble_integer, this_is_asm_operands): Likewise.
4880         * tree.h: Likewise.
4881         * vec.h: Likewise.
4882         * tree-flow-inline.h (relink_imm_use): Use gcc_assert.
4883
4884         * optabs.c (prepare_cmp_insn, emit_cmp_and_jump_insns): Reword
4885         comments to avoid 'abort'.  Use gcc_assert as necessary.
4886         * opts.c (common_handle_option): Likewise.
4887         * pretty-print.c (pp_base_format_text): Likewise.
4888         * print-rtl.c (print_rtx): Likewise.
4889         * read-rtl.c (read_rtx_filename, read_rtx_1): Likewise.
4890         * regmove.c (try_auto_increment): Likewise.
4891         * reload.c (find_valid_class, find_reloads_toplev,
4892         find_equiv_reg): Likewise.
4893         * reload1.c (reload, forget_old_reloads_1, function_invariant_p,
4894         merge_assigned_reloads): Likewise.
4895         * tree-inline.c (inline_forbidden_p_1,
4896         estimate_num_insns_1): Likewise.
4897         * tree-optimize.c (execute_todo): Likewise.
4898         * tree-outof-ssa.c (eliminate_phi): Likewise.
4899         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
4900         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Likewise.
4901         * tree-ssa-operands.c (parse_ssa_operands,
4902         get_indirect_ref_operands, create_ssa_artficial_load_stmt): Likewise.
4903         * tree-ssa-pre.c (find_or_generate_expression): Likewise.
4904         * tree-ssanames.c (release_ssa_name): Likewise.
4905         * tree.c (int_bit_position, int_byte_position, tree_low_cst,
4906         walk_tree): Likewise.
4907
4908         * tree-ssa-operands.c (verify_abort): Fold into ..
4909         (verify_imm_links): ... here.
4910
4911 2005-04-21  Richard Henderson  <rth@redhat.com>
4912
4913         * config/alpha/sync.md (sync_new_nand<I48MODE>): Fix constraints
4914         on non-memory operand for previous inversion.
4915
4916 2005-04-21  Devang Patel  <dpatel@apple.com>
4917
4918         PR optimization/20994
4919         * tree-if-conv.c (find_phi_replacement_condition): Avoid generating
4920         x = !(a == b) : p , q;.
4921         (pass_if_conversion): Verify stmts and flow.
4922
4923 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
4924
4925         * optabs.c (gen_conditional_trap): Restore #define.
4926
4927         * alias.c (true_dependence): Remove 'abort' from comments. Use
4928         gcc_assert and gcc_unreachable as appropriate.
4929         (canon_true_dependence): Likewise.
4930         * bb-reorder.c (connect_traces): Likewise.
4931         * c-common.c (c_add_case_label): Likewise.
4932         * c-decl.c (finish_function): Likewise.
4933         * caller-save.c (insert_restore, insert_save): Likewise.
4934         * cfg.c (update_bb_profile_for_threading): Likewise.
4935         * cfganal.c (flow_active_insn_p): Likewise.
4936         * cfgexpand.c (add_reg_br_prob_note): Likewise.
4937         * cfgrtl.c (rtl_redirect_edge_and_branch_force, rtl_split_edge,
4938         cfg_layout_merge_blocks): Likewise.
4939         * ifcvt.c (cond_exec_process_insns, merge_if_block,
4940         find_if_block): Likewise.
4941         * integrate.c (allocate_initial_values): Likewise.
4942         * jump.c (reverse_condition, reverse_condition_maybe_unordered,
4943         swap_condition, unsigned_condition, signed_condition,
4944         mark_jump_label, invert_jump_1, rtx_renumbered_equal_p,
4945         reg_or_subregno): Likewise.
4946         * lambda-code.c (lambda_compute_auxillary_space,
4947         lambda_transform_legal_p): Likewise.
4948         * lambda-mat.c (lambda_matrix_inverse_hard): Likewise.
4949         * langhooks.c (lhd_set_decl_assembler_name, lhd_type_promotes_to,
4950         lhd_incomplete_type_error, lhd_expand_expr,
4951         lhd_types_compatible_p, lhd_tree_size): Likewise.
4952         * lcm.c (create_pre_exit, optimize_mode_switching): Likewise.
4953         * local-alloc.c (update_equiv_regs): Likewise.
4954         * loop-unroll.c (peel_loop_completely
4955         unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
4956         peel_loop_simple, unroll_loop_stupid,
4957         analyze_iv_to_split_insn): Likewise.
4958         * loop.c (gen_prefetch, find_and_verify_loops,
4959         basic_induction_var): Likewise.
4960         * modulo-sched.c (normalize_sched_times, check_nodes_order): Likewise.
4961         * value-prof.c (tree_find_values_to_profile): Likewise.
4962         * varasm.c (named_section, default_assemble_integer,
4963         decode_addr_const): Likewise.
4964
4965 2005-04-21 Alan Modra  <amodra@bigpond.net.au>
4966            Fariborz Jahanian <fjahanian@apple.com>
4967
4968         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Fix size of
4969         portion of argument passed in fpr.
4970         * expr.c (emit_push_insn): Fix computation of 'offset' used to
4971         decide on partial argument save on stack.
4972
4973 2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
4974
4975         * config/sparc/predicates.md, config/sparc/sparc.md: Fix
4976         comment typos.
4977
4978 2005-04-21  Jan Hubicka  <jh@suse.cz>
4979
4980         * cgraphunit.c: Include tree-pass.h
4981         (cgraph_decide_recursive_inlining,
4982         cgraph_decide_inlining_of_small_function, cgraph_set_inline_failed,
4983         cgraph_decide_inlining): Dump goes to dump_file.
4984         (cgraph_optimize): Call ipa passes instead of inliner.
4985         (cgraph_gate_inlining, pass_ipa_inline): New.
4986         * tree-optimize.c (all_ipa_passes): New static variable.
4987         (register_one_dump_file): Dead with IPA passes.
4988         (register_dump_files): Likewise.
4989         (init_tree_optimization_passes): Initialize IPA passes.
4990         (execute_todo): Do cgraph dump when asked to, do not dump function body
4991         for IPA pass.
4992         * tree-pass.h (TODO_dump_cgraph): New macro.
4993         (ipa_passes): Declare.
4994         * Makefile.in (cgraphunit.o): Add dependency on cgraphunit.h
4995
4996 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
4997
4998         * config/i386/i386.c (type_natural_mode): Use gcc_unreachable and
4999         gcc_assert instead of abort.
5000         (classify_argument, examine_argument, construct_container,
5001         contains_128bit_aligned_vector_p, ix86_check_movabs,
5002         standard_80387_constant_opcode, standard_80387_constant_rtx,
5003         ix86_initial_elimination_offset, ix86_compute_frame_layout,
5004         pro_epilogue_adjust_stack, ix86_expand_epilogue,
5005         ix86_address_cost, legitimate_address_p, legitimize_pic_address,
5006         legitimize_tls_address, output_pic_addr_const,
5007         i386_output_dwarf_dtprel, put_condition_code, print_reg,
5008         get_some_local_dynamic_name, print_operand, print_operand_address,
5009         output_387_binary_op, emit_i387_cw_initialization,
5010         output_fix_trunc, output_fp_compare, ix86_output_addr_vec_elt,
5011         ix86_expand_clear, ix86_expand_binary_operator,
5012         ix86_expand_unary_operator, ix86_match_ccmode, ix86_cc_mode,
5013         ix86_cc_modes_compatible, ix86_fp_comparison_codes,
5014         ix86_fp_comparison_arithmetics_cost, ix86_expand_fp_compare,
5015         ix86_expand_branch, ix86_expand_setcc,
5016         ix86_expand_carry_flag_compare, ix86_expand_fp_movcc,
5017         ix86_expand_int_addcc, ix86_split_to_parts, ix86_split_long_move,
5018         ix86_expand_movmem, ix86_expand_call, assign_386_stack_local,
5019         memory_address_length, ix86_attr_length_immediate_default,
5020         ix86_attr_length_address_default, ix86_agi_dependant,
5021         x86_initialize_trampoline, ix86_init_mmx_sse_builtins,
5022         ix86_expand_binop_builtin, ix86_force_to_memory,
5023         ix86_secondary_memory_needed, ix86_avoid_jump_misspredicts,
5024         x86_emit_floatuns): Likewise.
5025         * config/i386/netware.c (gen_regparm_prefix,
5026         i386_nlm_strip_name_encoding): Likewise.
5027         * config/i386/winnt.c (i386_pe_mark_dllexport): Likewise.
5028
5029 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
5030
5031         * optabs.c (gen_condiational_trap): Remove #define.
5032         (add_equal_note): Assertify. Remove explicit indirection from
5033         call via function pointer.
5034         (expand_ternary_op, expand_simple_binop, expand_binop,
5035         expand_twoval_unop, expand_twoval_binop,
5036         expand_twoval_binop_libfunc, expand_simple_unop expand_unop,
5037         emit_unop_insn,  emit_no_conflict_block,  prepare_cmp_insn,
5038         prepare_operand emit_cmp_and_jump_insn_1, emit_cmp_and_jump_insns,
5039         prepare_float_lib_cmp, emit_conditional_move,
5040         emit_conditional_add, gen_add2_insn, gen_add3_insn,
5041         have_add2_insn, gen_sub2_insn, gen_sub3_insn, have_sub2_insn,
5042         expand_float, expand_fix, debug_optab_libfuncs, gen_cond_trap,
5043         vector_compare_rtx, expand_vec_cond_expr): Likewise.
5044
5045 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
5046
5047         * vec.h: Update API to separate allocation mechanism from type.
5048         (VEC_safe_grow): New.
5049         * vec.c (calculate_allocation): New.
5050         (vec_gc_o_reserve, vec_heap_o_reserve): Adjust.
5051         (vec_gc_free, vec_heap_free): Remove.
5052         * gengtype-lex.l (DEF_VEC_): Process mult-argument macros.  Adjust.
5053         (VEC): Likewise.
5054         (mangle_macro_name): New.
5055         (struct macro_def): New.
5056         (struct macro): Add multiple argument values.
5057         (macro_expans_end): New.
5058         (push_macro_expansion):  Chain on new macro. Process multiple
5059         args, create follow on expansion. Return follow on argument.
5060         (macro_input): Deal with multiple arguments.
5061
5062         * tree.h: Define VEC(tree,heap) and VEC(tree,gc).
5063         (struct tree_binfo): Adjust.
5064         * basic-block.h: Define VEC(edge,gc).
5065         (struct edge_def): Adjust.
5066         (struct basic_block_def, struct edge_iterator): Likewise.
5067         (ei_container, ei_start_1, ei_last_1): Likewise.
5068         * cfg.c (connect_src, connect_dest): Likewise.
5069         * cfgrtl.c (force_nonfallthru_and_redirect)
5070         * dbxout.c (dbxout_type)
5071         * dwarf2out.c (gen_member_die)
5072         * lambda-code.c: Define VEC(int,gc), VEC(lambda_loop,gc).
5073         (gcc_tree_to_linear_expression): Adjust.
5074         (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
5075         lbv_to_gcc_expression, lle_to_gcc_expression,
5076         lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest,
5077         perfect_nestify): Likewise.
5078         * lambda.h (gcc_loopnest_to_lambda_loopnest,
5079         lambda_loopnest_to_gcc_loopnest): Adjust prototypes.
5080         * profile.c (instrument_values): Adjust.
5081         * tree-cfg.c (modified_noreturn_calls): Adjust.
5082         (remove_fallthru_edge): Likewise.
5083         * tree-dump.c (dequeue_and_dump): Adjust.
5084         * tree-flow-inline.h (mark_stmt_modified): Adjust.
5085         * tree-flow.h (modified_noreturn_calls): Adjust.
5086         (tree_on_heap): Remove. (yay!)
5087         (register_new_def): Adjust.
5088         * tree-into-ssa.c: Define VEC(int,heap).
5089         (block_defs_stack): Adjust.
5090         (find_idf, insert_phi_nodes, register_new_def,
5091         rewrite_initialize_block, rewrite_finalize_block,
5092         register_new_update_single, rewrite_update_init_block,
5093         rewrite_update_fini_block, rewrite_blocks,
5094         ssa_rewrite_finalize_block, ssa_register_new_def,
5095         ssa_rewrite_initialize_block, rewrite_ssa_into_ssa): Likewise.
5096         * tree-loop-linear.c (linear_transform_loops): Adjust.
5097         * tree-ssa-alias.c: Define VEC(fieldoff_t,heap).
5098         (push_fields_onto_fieldstack, create_overlap_variables_for): Adjust.
5099         * tree-ssa-dom.c (avail_exprs_stack, block_defs_stack,
5100         stmts_to_rescan, const_and_copies_stack, nonzero_vars_stack,
5101         vrp_variables_stack): Adjust declarations.
5102         (tree_ssa_dominator_optimize): Adjust.
5103         (dom_opt_initialize_block, remove_local_expressions_from_table,
5104         restore_nonzero_vars_to_original_value,
5105         restore_vars_to_original_value,
5106         restore_currdefs_to_original_value, dom_opt_finalize_block,
5107         record_var_is_nonzero, record_cond, record_const_or_copy_1,
5108         optimize_stmt, update_rhs_and_lookup_avail_expr,
5109         lookup_avail_expr, record_range): Likewise.
5110         * tree-ssa-pre.c: Define VEC(basic_block,heap).
5111         (compute_antic_aux): Adjust.
5112         (inserted_exprs, create_expression_by_pieces,
5113         insert_into_preds_of_block, eliminate, mark_operand_necessary,
5114         remove_dead_inserted_code, fini_pre): Likewise.
5115         * tree-ssa-propagate.c (interesting_ssa_edges): Adjust.
5116         (varying_ssa_edges, add_ssa_edge, process_ssa_edge_worklist.
5117         ssa_prop_init): Likewise.
5118         * tree-ssa.c: Define VEC(bitmap,heap).
5119         (verify_name_tags): Adjust.
5120         * value-prof.c (rtl_divmod_values_to_profile): Adjust.
5121         (insn_prefetch_values_to_profile, rtl_find_values_to_profile,
5122         tree_divmod_values_to_profile, tree_find_values_to_profile,
5123         value_profile_transformations): Likewise.
5124         * value-prof.h: Define VEC(histogram_value,heap).
5125         * varasm.c: Remove alias_pair pointer typedef, define
5126         VEC(alias_pair,gc).
5127         (finish_aliases_1, finish_aliases_2, assemble_alias): Adjust.
5128
5129         * config/pa/pa.c (typedef extern_symbol): Typedef the structure,
5130         not a pointer to it.  Create an object vector.
5131         (extern_symbols): Turn into an object vector.
5132         (pa_hpux_asm_output_external, pa_hpux_file_end): Adjust.
5133
5134 2005-04-21  Sebastian Pop  <pop@cri.ensmp.fr>
5135
5136         PR/20742
5137         * Makefile.in (tree-chrec.o): Depend on params.h.
5138         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): New parameter with
5139         default value 20.
5140         * tree-chrec.c: Depend on params.h.  Replace build with buildN,
5141         and fold build with fold_buildN.
5142         (chrec_fold_plus_1): Fail with a chrec_don_know when the size of
5143         the expression exceeds PARAM_SCEV_MAX_EXPR_SIZE.
5144         (tree_contains_chrecs): Compute an estimation of the size of the
5145         given expression.
5146         * tree-chrec.h (tree_contains_chrecs): Modify its declaration.
5147         (tree_does_not_contain_chrecs): Update the use of tree_contains_chrecs.
5148         * tree-scalar-evolution.c (simple_iv): Ditto.
5149         * doc/invoke.texi (scev-max-expr-size): Documented.
5150
5151 2005-04-21  Richard Sandiford  <rsandifo@redhat.com>
5152
5153         * config.gcc (*-*-darwin*): Add darwin.opt to $extra_options.
5154         (i[34567]86-pc-msdosdjgpp*): Likewise i386/djgpp.opt.
5155         (i[34567]86-*-lynxos*, powerpc-*-lynxos*): Likewise lynx.opt.
5156         (i[34567]86-*-sco3.2v5*): Likewise i386/sco5.opt.
5157         (i[34567]86-*-pe, i[34567]86-*-cygwin*, i[34567]86-*-mingw32*)
5158         (i[34567]86-*-uwin*): Likewise i386/cygming.opt.
5159         * config/darwin.h (darwin_one_byte_bool, darwin_fix_and_continue)
5160         (darwin_fix_and_continue_switch, SUBTARGET_OPTIONS): Delete.
5161         * config/darwin.c (darwin_one_byte_bool, darwin_fix_and_continue)
5162         (darwin_fix_and_continue_switch): Delete.
5163         * config/lynx.h (SUBTARGET_OS_LYNX_SWITCHES): Delete.
5164         (SUBTARGET_SWITCHES): Delete.
5165         * config/i386/i386.h (target_flags, MASK_80387, MASK_RTD)
5166         (MASK_ALIGN_DOUBLE, MASK_SVR3_SHLIB, MASK_IEEE_FP, MASK_FLOAT_RETURNS)
5167         (MASK_NO_FANCY_MATH_387, MASK_OMIT_LEAF_FRAME_POINTER)
5168         (MASK_STACK_PROBE, MASK_NO_ALIGN_STROPS, MASK_INLINE_ALL_STROPS)
5169         (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS, MASK_MMX)
5170         (MASK_SSE, MASK_SSE2, MASK_SSE3, MASK_3DNOW, MASK_3DNOW_A)
5171         (MASK_128BIT_LONG_DOUBLE, MASK_64BIT, MASK_MS_BITFIELD_LAYOUT)
5172         (MASK_TLS_DIRECT_SEG_REFS, MASK_NO_RED_ZONE, TARGET_80387)
5173         (TARGET_RTD, TARGET_ALIGN_DOUBLE, TARGET_PUSH_ARGS)
5174         (TARGET_ACCUMULATE_OUTGOING_ARGS, TARGET_SVR3_SHLIB, TARGET_IEEE_FP)
5175         (TARGET_128BIT_LONG_DOUBLE, TARGET_NO_FANCY_MATH_387)
5176         (TARGET_USE_FANCY_MATH_387, TARGET_OMIT_LEAF_FRAME_POINTER)
5177         (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Delete.
5178         (TARGET_FLOAT_RETURNS_IN_80387): Make an alias of TARGET_FLOAT_RETURNS.
5179         (TARGET_64BIT): Undef before redefining.
5180         (TARGET_TLS_DIRECT_SEG_REFS, TARGET_STACK_PROBE)
5181         (TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS, TARGET_SSE)
5182         (TARGET_SSE2, TARGET_SSE3, TARGET_MMX, TARGET_3DNOW, TARGET_3DNOW_A)
5183         (TARGET_RED_ZONE, TARGET_USE_MS_BITFIELD_LAYOUT, TARGET_SWITCHES)
5184         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS)
5185         (ix86_fpmath_string, ix86_tls_dialect_string, ix86_cmodel_string)
5186         (ix86_asm_string, ix86_regparm, ix86_regparm_string)
5187         (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
5188         (ix86_debug_arg_string, ix86_debug_addr_string)
5189         (ix86_align_loops_string, ix86_align_jumps_string)
5190         (ix86_align_funcs_string): Delete.
5191         * config/i386/cygming.h (MASK_NOP_FUN_DLLIMPORT)
5192         (TARGET_NOP_FUN_DLLIMPORT, SUBTARGET_SWITCHES): Delete.
5193         * config/i386/djgpp.h (MASK_BNU210, SUBTARGET_SWITCHES): Delete.
5194         (SUBTARGET_OVERRIDE_OPTIONS): Check TARGET_BNU210.
5195         * config/i386/lynx.h (SUBTARGET_SWITCHES): Delete.
5196         * config/i386/sco5.h (MASK_COFF, TARGET_ELF)
5197         (SUBTARGET_SWITCHES): Delete.
5198         * config/i386/i386.c (ix86_debug_arg_string): Delete.
5199         (ix86_debug_addr_string): Delete.
5200         (ix86_cmodel_string, ix86_asm_string, ix86_tls_dialect_string)
5201         (ix86_fpmath_string, ix86_regparm_string, ix86_regparm)
5202         (ix86_align_loops_string, ix86_align_jumps_string)
5203         (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
5204         (ix86_align_funcs_string): Make static.
5205         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
5206         (ix86_handle_option): New function.
5207         (TARGET_USE_MS_BITFIELD_LAYOUT): Delete.
5208         (ix86_ms_bitfield_layout_p): Check TARGET_MS_BITFIELD_LAYOUT.
5209         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove handling
5210         of darwin_fix_and_continue_switch.
5211         (darwin_one_byte_bool): Delete.
5212         * config/rs6000/lynx.h (EXTRA_SUBTARGET_SWITCHES): Delete.
5213         * config/rs6000/rs6000.c (rs6000_override_options): Update assignment
5214         to darwin_one_byte_bool.
5215         * config/darwin.opt, config/lynx.opt, config/i386/cygming.opt,
5216         * config/i386/djgpp.opt, config/i386/i386.opt,
5217         * config/i386/sco5.opt: New files.
5218
5219 2005-04-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
5220
5221         * config/sparc/sparc.c (reg_or_0_operand, const1_operand,
5222         fp_zero_operand, fp_register_operand, intreg_operand,
5223         fcc_reg_operand, fcc0_reg_operand, icc_or_fcc_reg_operand,
5224         call_operand, call_operand_address, tgd_symbolic_operand,
5225         tld_symbolic_operand, tie_symbolic_operand, tle_symbolic_operand,
5226         symbolic_operand, symbolic_memory_operand, label_ref_operand,
5227         sp64_medium_pic_operand, data_segment_operand,
5228         text_segment_operand, splittable_symbolic_memory_operand,
5229         reg_or_nonsymb_mem_operand, splittable_immediate_memory_operand,
5230         eq_or_neq, normal_comp_operator, noov_compare_op,
5231         noov_compare64_op, v9_regcmp_op, extend_op, cc_arithop,
5232         cc_arithopn, arith_operand, arith_4096_operand, arith_add_operand,
5233         const64_operand, const64_high_operand, arith11_operand,
5234         arith10_operand, arith_double_operand, arith_double_4096_operand,
5235         arith_double_add_operand, arith11_double_operand,
5236         arith10_double_operand, small_int, small_int_or_double,
5237         uns_small_int, uns_arith_operand, clobbered_register,
5238         input_operand, compare_operand): Delete.
5239         (sparc_emit_set_const32): Use predicates in assertion.  Remove special
5240         code for TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT != 64.
5241         (sparc_emit_set_const64): Call gcc_unreachable if H_B_P_W_I == 32.
5242         (GEN_HIGHINT64, GEN_INT64): Delete.
5243         (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
5244         gen_safe_XOR64): Adjust for above deletion.
5245         (sparc_emit_set_const64): Support only H_B_P_W_I == 64 and CONST_INTs.
5246         Use 'unsigned HOST_WIDE_INT' instead of 'long' for bitmask.
5247         (legitimate_constant_p): Use const_zero_operand instead.
5248         (sparc_extra_constraint_check): Likewise.
5249         * config/sparc/sparc.h (CONST_DOUBLE_OK_FOR_LETTER_P): Remove 'O'.
5250         (PREFERRED_RELOAD_CLASS): Use const_zero_operand.
5251         (PREDICATE_CODES): Delete.
5252         * config/sparc/sparc.md: Include predicates.md.
5253         (All patterns): Adjust for new predicate names.
5254         (cmpdi, cmpdi_sp64): Use arith_operand predicate.
5255         (movhi_const64_special, movsi_const64_special): Add 'K' constraint.
5256         (movdi): Use general_operand predicate.
5257         (movdi_sp64_dbl): Delete.
5258         (movdi_const64_special): Add 'N' constraint.
5259         (movdicc): Use arith10_operand predicate.
5260         (movdi_cc_sp64, movdi_cc_sp64_trunc): Use arith11_operand predicate.
5261         (movdi_cc_reg_sp64): Use arith10_operand predicate.
5262         (movdi_cc_reg_sp64_trunc): Delete.
5263         (cmp_zero_extract, cmp_zero_extract_sp64): Use small_int_operand.
5264         (adddi3_sp64, cmp_ccx_plus, cmp_ccx_plus_set): Use arith_operand.
5265         (subdi3_sp32): Delete.
5266         (subdi3_insn_sp32): Change to define_insn_and_split.
5267         (subdi3_sp64, cmp_minus_ccx, cmp_minus_ccx_set): Use arith_operand.
5268         (muldi3, muldi3_sp64, muldi3_v8plus): Likewise.
5269         (smulsi3_highpart_v8plus, const_smulsi3_highpart_v8plus,
5270         umulsi3_highpart_v8plus, const_umulsi3_highpart_v8plus): Use
5271         small_int_operand predicate.
5272         (divdi3, udivdi3): Use arith_operand predicate.
5273         (udivsi3, udivsi3_sp32, udivsi3_sp64): Use nonimmediate_operand.
5274         (and<V64I>3_sp64, ior<V64I>3_sp64, xor<V64I:mode>3_sp64,
5275         xor_not_<V64I:mode>_sp64) : Use arith_operand predicate.
5276         (xordi3_sp64_dbl): Delete.
5277         (cmp_ccx_arith_op, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
5278         cmp_ccx_xor_not_set, cmp_ccx_arith_op_not, cmp_ccx_arith_op_not_set,
5279         cmp_ccx_neg, cmp_ccx_set_neg, one_cmpl<V64I>2_sp64, cmp_ccx_not,
5280         cmp_ccx_set_not): Use arith_operand predicate.
5281         (ashrsi3_extend2, lshrsi3_extend2 et al.): Use small_int_operand.
5282         * config/sparc/predicates.md: New file.
5283
5284 2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
5285
5286         PR tree-optimization/14846
5287         * fold-const.c (fold_single_bit_test_into_sign_test): New,
5288         split out from ...
5289         (fold_single_bit_test): ... here.
5290         (fold_binary): Call fold_single_bit_test_into_sign_test
5291         instead of fold_single_bit_test.
5292
5293 2005-04-20  James E Wilson  <wilson@specifixinc.com>
5294
5295         PR c++/20805
5296         * dwarf2out.c (gen_variable_die): Don't emit a specification if this
5297         is another declaration.
5298
5299 2005-04-21  Hans-Peter Nilsson  <hp@axis.com>
5300
5301         * config/cris/predicates.md: New file.
5302         * config/cris/cris-protos.h (cris_store_multiple_op_p)
5303         (cris_movem_load_rest_p): Declare.
5304         * config/cris/cris.c (cris_store_multiple_op): Return bool, not int.
5305         (cris_movem_load_rest_p): Ditto.  Globalize.
5306         (cris_bdap_operand, cris_bdap_biap_operand,
5307         cris_orthogonal_operator, cris_commutative_orth_op,
5308         cris_operand_extend_operator,
5309         cris_additive_operand_extend_operator, cris_extend_operator,
5310         cris_plus_or_bound_operator, cris_mem_op,
5311         cris_general_operand_or_symbol,
5312         cris_general_operand_or_gotless_symbol,
5313         cris_general_operand_or_plt_symbol, cris_mem_call_operand,
5314         cris_load_multiple_op): Remove predicate functions.
5315         (cris_symbol, cris_gotless_symbol) <case UNSPEC>: Return 0, don't
5316         abort, for UNSPECs other than CRIS_UNSPEC_PLT.
5317         * config/cris/cris.h (PREDICATE_CODES): Don't define.
5318         * config/cris/cris.md: Include predicates.md.
5319         ("call", "call_value"): Generate CONSTs of Pmode, not VOIDmode.
5320
5321 2005-04-20  Ian Lance Taylor  <ian@airs.com>
5322
5323         * c-common.def: Remove STMT_EXPR (moved to cp/cp-tree.def).
5324         * c-common.h (STMT_EXPR_STMT): Don't define.
5325         (STMT_EXPR_NO_SCOPE): Don't define.
5326         * c-dump.c (c_dump_tree): Don't handle STMT_EXPR.
5327         * c-pretty-print.c (pp_c_primary_expression): Likewise.
5328         (pp_c_expression): Likewise.
5329
5330 2005-04-20  Richard Henderson  <rth@redhat.com>
5331
5332         PR target/21100
5333         * config/i386/mmx.md (push<MMXMODE>1): Fix predicate thinko.
5334
5335 2005-04-20  Jeff Law  <law@redhat.com>
5336
5337         * reload1.c (reload): Ignore equivalences between pseudos and
5338         read only memory.
5339
5340 2005-04-20  Joseph S. Myers  <joseph@codesourcery.com>
5341
5342         PR c/12913
5343         * c-tree.h (struct c_label_list): Update comment.
5344         (struct c_label_context): Rename to struct c_label_context_se.
5345         (label_context_stack): Rename to label_context_stack_se.
5346         (C_DECL_UNJUMPABLE_VM, C_DECL_UNDEFINABLE_VM, struct
5347         c_label_context_vm, label_context_stack_vm, c_begin_vm_scope,
5348         c_end_vm_scope): New.
5349         (C_DECL_DECLARED_BUILTIN, C_DECL_USED): Use FUNCTION_DECL_CHECK.
5350         * c-decl.c (pop_scope): Call c_end_vm_scope.
5351         (pushdecl): Call c_begin_vm_scope for variably modified
5352         declarations.
5353         (define_label): Check for jumping into scope of identifier with
5354         variably modified type.  Push label on stack for those defined at
5355         current context of identifiers with variably modified type.
5356         (start_function): Create stack level for context of identifiers
5357         with variably modified type.
5358         (finish_function): Pop stack level for context of identifiers with
5359         variably modified type.
5360         * c-typeck.c (label_context_stack): Rename to
5361         label_context_stack_se.
5362         (label_context_stack_vm, c_begin_vm_scope, c_end_vm_scope): New.
5363         (c_finish_goto_label): Check for jumping into scope of identifier
5364         with variably modified type.  Push label on stack for those jumped
5365         to from current context of identifiers with variably modified
5366         type.
5367         (struct c_switch): Add blocked_vm.
5368         (c_start_case): Initialize blocked_vm.
5369         (do_case): Check blocked_vm.
5370         (c_finish_case): Add comment.
5371         (c_begin_stmt_expr, c_finish_stmt_expr): Update for renamed
5372         variable label_context_stack.
5373
5374 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
5375
5376         * tree-ssa-phiopt.c (tree_ssa_phi_opt): Update calls to
5377         conditional_replacement, value_replacement, abs_replacement,
5378         minmax_replacement.
5379         (replace_phi_edge_with_variable): Remove argument BB.
5380         (conditional_replacement, value_replacement,
5381         minmax_replacement, abs_replacement): Remove argument PHI_BB.
5382         Update a call to replace_phi_edge_with_variable.
5383
5384         * tree-ssa-phiopt.c: Fix comments.
5385
5386 2005-04-20  Michael Matz  <matz@suse.de>
5387
5388         PR20973
5389         * reload.c (push_reload, find_dummy_reload): Check for uninitialized
5390         pseudos.
5391
5392 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
5393
5394         * tree-ssa-phiopt.c: Fix comment typos.
5395
5396         PR tree-optimization/21116
5397         * tree-ssa-phiopt.c: Fix a typo.
5398
5399 2005-04-19  Richard Henderson  <rth@redhat.com>
5400
5401         * builtins.c (expand_builtin_sync_operation): Revert last change.
5402         * optabs.c (expand_bool_compare_and_swap): Compare vs old value,
5403         not vs new value.
5404         (expand_compare_and_swap_loop): Likewise.
5405         (expand_sync_operation): Remove fallback from NAND to AND; invert
5406         memory operand when expanding from cmpxchg.
5407         (expand_sync_fetch_operation): Likewise.
5408         * doc/extend.texi (Atomic Builtins): Fix docs for nand and
5409         compare-and-swap.
5410
5411         * config/alpha/alpha.c (alpha_split_atomic_op): Invert memory operand
5412         when implementing NAND.  Fix double-add for AFTER.
5413         * config/alpha/sync.md (sync_nand<I48MODE>): Invert memory operand.
5414         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
5415         (sync_compare_and_swap<I48MODE>): Fix compare vs zero.  Return old
5416         memory value.
5417         (sync_lock_test_and_set<I48MODE>): Remove extra label and last
5418         memory barrier.
5419
5420         * config/i386/sync.md (sync_compare_and_swap<IMODE>): Fix pattern
5421         to return old memory value.
5422         (sync_compare_and_swap_cc<IMODE>): Likewise.
5423
5424         * config/ia64/ia64.c (ia64_dependencies_evaluation_hook): Early
5425         return pre-reload.  Don't consider output or anti dependencies.
5426         * config/ia64/sync.md (IMODE): New.
5427         (modesuffix): Add QI and HI.
5428         (memory_barrier): Simplify expansion.
5429         (sync_compare_and_swap<IMODE>): Use IMODE, not I48MODE.
5430         (cmpxchg_acq_<IMODE>): Likewise.
5431         (sync_lock_test_and_set<IMODE>): Likewise.
5432         (sync_lock_release<IMODE>): Likewise.
5433
5434 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
5435
5436         * fold-const.c (fold_binary): Fold ~(X ^ Y) to ~X ^ Y or X ^ ~Y if
5437         ~X or ~Y simplify.
5438
5439 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
5440
5441         * fold-const (fold_binary):  Fold ~X ^ ~ Y to X ^ Y.
5442
5443 2005-04-20  Michael Pogue  <michael.pogue@sun.com>
5444             Joseph S. Myers  <joseph@codesourcery.com>
5445
5446         * c.opt (Wint-to-pointer-cast, Wpointer-to-int-cast): New options.
5447         * c-typeck.c (build_c_cast): Check these options.
5448         * doc/invoke.texi: Document these options.
5449
5450 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
5451
5452         * tree-ssa-phiopt.c: Update a comment about the pass.
5453
5454 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
5455
5456         * tree-ssa-phiopt.c, config/arm/arm.c, config/fr30/fr30.md,
5457         config/mcore/mcore.c: Fix comment typos.
5458
5459 2005-04-19  Daniel Jacobowitz  <dan@codesourcery.com>
5460
5461         * Makefile.in (libgcc.mk): Pass GCC_FOR_TARGET.
5462         * mklibgcc.in: Use $GCC_FOR_TARGET instead of ./xgcc.
5463
5464 2005-04-19  Paul Brook  <paul@codesourcery.com>
5465
5466         * config/arm/arm.c (arm_init_libfuncs): Clear mod optabs.
5467
5468 2005-04-19  Andrew Haley  <aph@redhat.com>
5469
5470         PR java/21022
5471         * dbxout.c (dbxout_type_fields): Check DECL_IGNORED_P before
5472         looking at a field's bitpos.
5473
5474 2005-04-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5475
5476         * system.h (fopen, fdopen, freopen): Define these to the unlocked
5477         libiberty functions.
5478
5479 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
5480
5481         PR tree-optimization/21096
5482         * tree-ssa-copy.c (fini_copy_prop): Free cached_last_copy_of.
5483
5484 2005-04-19  Alan Modra  <amodra@bigpond.net.au>
5485
5486         PR target/21098
5487         * config/rs6000/rs6000.c (rs6000_elf_end_indicate_exec_stack): New.
5488         * config/rs6000/linux64.h (TARGET_ASM_FILE_END): Use the above.
5489
5490 2005-04-19  Alexandre Oliva  <aoliva@redhat.com>
5491
5492         * tree-cfg.c (dump_function_to_file): Use cfun info only if it
5493         refers to the function being dumped.
5494
5495 2005-04-18  Daniel Jacobowitz  <dan@codesourcery.com>
5496
5497         * varasm.c (assemble_start_function): Remove reset of in_section.
5498
5499 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
5500
5501         PR tree-optimization/21085
5502         * fold-const (fold_binary): Don't change X % -C to X % C if C has
5503         overflowed.
5504
5505 2005-04-19  Ben Elliston  <bje@au.ibm.com>
5506
5507         * doc/invoke.texi (Optimize Options): Refer to the correct
5508         optimisation flag -ftree-dominator-opts, not -ftree-dom.
5509
5510 2005-04-18  Christopher Jaillet <christophe.jaillet@wanadoo.fr>
5511
5512         * config/rs6000/rs6000.c (machopic_output_stub):  Increase
5513         alloca argument to be big enough.
5514
5515 2005-04-18  Alexandre Oliva  <aoliva@redhat.com>
5516
5517         PR middle-end/21049
5518         * tree-cfg.c (dump_function_to_file): Do not crash if cfun or
5519         cfun->cfg are NULL.
5520
5521 2005-04-18  Tom Tromey  <tromey@redhat.com>
5522
5523         * cgraphunit.c (cgraph_finalize_compilation_unit): Fix a comment
5524         typo.
5525
5526 2005-04-18  Richard Henderson  <rth@redhat.com>
5527
5528         * config/alpha/alpha.c (alpha_split_atomic_op): New.
5529         (alphaev5_insn_pipe): Add LD_L, ST_C, MB types.
5530         (alphaev4_insn_pipe): Likewise.  Correct IST and LDSYM pipes.
5531         * config/alpha/alpha-protos.h: Update.
5532         * config/alpha/alpha.md (UNSPECV_MB, UNSPECV_LL, UNSPECV_SC): New.
5533         (UNSPECV_ATOMIC, UNSPECV_CMPXCHG, UNSPECV_XCHG): New.
5534         (attr type): Add ld_l, st_c, mb.
5535         (andsi_internal, andnotsi3, iorsi_internal, one_cmplsi_internal,
5536         iornotsi3, xorsi_internal, xornotsi3): New.
5537         * config/alpha/ev4.md (ev4_ld): Add ld_l.
5538         (ev4_ist_c, ev4_mb): New.
5539         * config/alpha/ev5.md (ev5_st): Add st_c, mb.
5540         (ev5_ld_l): New.
5541         * config/alpha/ev6.md (ev6_ild): Add ld_l.
5542         (ev6_ist): Add st_c.
5543         (ev6_mb): New.
5544         * config/alpha/sync.md: New file.
5545
5546 2005-04-18  Richard Henderson  <rth@redhat.com>
5547
5548         * builtins.c (expand_builtin_sync_operation): Fold nand to and
5549         for constants.
5550
5551         * optabs.c (expand_sync_operation): Fix typo expanding nand to and.
5552
5553 2005-04-18  Devang Patel  <dpatel@apple.com>
5554
5555         * config/rs6000/atlivec.md (mulv4si3): New pattern.
5556
5557 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
5558
5559         PR tree-optimization/20922
5560         * fold-const.c (fold_binary): Fold X - c > X and X + c < X to false.
5561         Fold X + c >= X and fold X - c <= X to true.
5562
5563 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
5564
5565         * config/ia64/unwind-ia64.c (emergency_reg_state_free): Make an
5566         unsigned int.
5567         (emergency_labeled_state_free): Likewise.
5568
5569 2005-04-18  Nick Clifton  <nickc@redhat.com>
5570
5571         * config/h8300/h8300.md (jump): Remove prescan parameter from
5572         calls to final_scan_insn.
5573
5574         * config/arc/arc.c (arc_output_function_epilogue): Remove prescan
5575         parameter from calls to final_scan_insn.
5576
5577         * config.gcc (m68hc12): Use the m68hc11.opt file for target
5578         specific options.
5579         (v850e, v850e1): Use the v850.opt file for target specific
5580         options.
5581
5582 2005-04-18  Kazu Hirata  <kazu@cs.umass.edu>
5583
5584         PR tree-optimization/21001
5585         * tree-optimize.c (init_tree_optimization_passes): Move the
5586         first pass_forwprop immediately before pass_vrp.
5587
5588 2005-04-17  Ian Lance Taylor  <ian@airs.com>
5589
5590         * c-common.def (SIZEOF_EXPR, ARROW_EXPR, ALIGNOF_EXPR): Remove.
5591         * c-common.c (c_sizeof_or_alignof_type): Change second parameter
5592         from enum tree_code op to bool is_sizeof.
5593         * c-common.h (c_sizeof_or_alignof_type): Update declaration.
5594         (c_sizeof, c_alignof): Update calls to c_sizeof_or_alignof_type.
5595         * c-pretty-print.c (pp_c_postfix_expression): Remove ARROW_EXPR
5596         case.
5597         (pp_c_unary_expression): Remove SIZEOF_EXPR and ALIGNOF_EXPR
5598         cases.
5599         (pp_c_expression): Remove ARROW_EXPR, SIZEOF_EXPR, and
5600         ALIGNOF_EXPR cases.
5601
5602 2005-04-17  Ian Lance Taylor  <ian@airs.com>
5603
5604         * system.h: Poison DONT_ACCESS_GBLS_AFTER_EPILOGUE.
5605
5606 2005-04-17  Richard Henderson  <rth@redhat.com>
5607
5608         * config/alpha/alpha.c (va_list_skip_additions): Only define if
5609         TARGET_ABI_OSF.
5610         (TARGET_STDARG_OPTIMIZE_HOOK): Likewise.
5611         (alpha_stdarg_optimize_hook): Likewise.  Allow for one more round
5612         of indirection through ssa names while looking for the gpr counter
5613         field.
5614         (alpha_setup_incoming_varargs) <TARGET_ABI_OSF>: Make use of the
5615         saved va_list_gpr_size and va_list_fpr_size.
5616
5617 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
5618
5619         * tree-vrp.c (compare_values): Check that VAL1 and VAL2 are
5620         both pointers or both integers.
5621
5622         * tree-vrp.c (maybe_add_assert_expr): Don't assert
5623         ASSERT_EXPRs for single-use variable.
5624
5625         * tree-into-ssa.c: Fix a comment typo.
5626
5627 2005-04-17  Richard Sandiford  <rsandifo@redhat.com>
5628
5629         * config/mips/iris6.h (DRIVER_SELF_SPECS): Check -march as well as
5630         -mipsN before forcing a default of -mips2.
5631
5632 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
5633
5634         * predict.h (IS_TAKEN): Remove.
5635         * rtl.h (NOTE_PREDICTION): Likewise.
5636
5637         * modulo-sched.c (CFG_HOOKS): Remove.
5638
5639         * c-parser.c (N_C_TTYPES): Remove.
5640
5641         * tree-flow-inline.h (get_stmt_operands): Remove.
5642         * lambda-code.c, tree-ssa-loop-unswitch.c,
5643         tree-ssa-operands.c, tree-ssa-pre.c, tree-ssa-propagate.c,
5644         tree-ssa-sink.c, tree-ssa.c, tree-tailcall.c,
5645         tree-vect-transform.c, tree-vectorizer.c, tree-vrp.c): Remove
5646         calls to get_stmt_operands.
5647         * doc/tree-ssa.texi: Don't mention get_stmt_operands.
5648
5649 2005-04-17  Richard Henderson  <rth@redhat.com>
5650
5651         PR target/20375
5652         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Advance a copy
5653         of CUMULATIVE_ARGS past the last named argument.
5654         (alpha_va_start): Expect pretend_args_size only if strictly less than
5655         6 named arguments.
5656
5657 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
5658
5659         PR middle-end/21024
5660         * builtins.c (expand_builtin_strcat): Convert the result of
5661         strlen to the right type.
5662         * fold-const.c (fold_binary) <PLUS_EXPR>: Use fold_convert to
5663         avoid creating type mismatches.
5664         <GE_EXPR>: Pass op0 and op1 to fold_build2 to avoid creating
5665         type mismatches.
5666
5667         * c-lex.c (WCHAR_TYPE_SIZE, WCHAR_BYTES): Remove.
5668
5669 2005-04-16  Richard Henderson  <rth@redhat.com>
5670
5671         PR target/21051
5672         * builtins.c (expand_builtin) <BUILT_IN_BOOL_COMPARE_AND_SWAP_*>:
5673         Use the mode of boolean_type_node when the user doesn't provide one.
5674         * config/ia64/sync.md (sync_lock_release<I48MODE>): Use operand 1.
5675
5676 2005-04-16  Alexandre Oliva  <aoliva@redhat.com>
5677
5678         PR target/20126
5679         * loop.c (loop_givs_rescan): Handle non-replaceable (plus (reg)
5680         (const)).
5681
5682         * tree-scalar-evolution.c (interpret_rhs_modify_expr): Fix typo in
5683         comment.
5684
5685 2005-04-16  Roger Sayle  <roger@eyesopen.com>
5686             Steven Bosscher  <stevenb@suse.de>
5687
5688         * fold-const.c (fold_binary_to_constant): Delete obsolete comment.
5689         (fold_unary_to_constant): Likewise.
5690
5691 2005-04-16  Kazu Hirata  <kazu@cs.umass.edu>
5692
5693         * basic-block.h: Adjust the value of PROP_SCAN_DEAD_STORES,
5694         PROP_ASM_SCAN.
5695
5696 2005-04-16  Gerald Pfeifer  <gerald@pfeifer.com>
5697
5698         * doc/install.texi (Specific): Avoid using asterisks in @anchor
5699         names related to target triplets.
5700         Remove i?86-*-esix from platform directory.
5701         Remove powerpc-*-eabiaix from platform directory.
5702
5703 2005-04-16  Joseph S. Myers  <joseph@codesourcery.com>
5704
5705         PR middle-end/20491
5706         * config/ia64/ia64.c (rtx_needs_barrier): Recurse instead of
5707         falling through from SUBREG case to REG.
5708
5709 2005-04-15  Roger Sayle  <roger@eyesopen.com>
5710
5711         * fold-const.c (fold_relational_hi_lo): Delete function and prototype.
5712         (fold_binary): Update comment mentioning fold_relational_hi_lo.
5713         (fold_binary_to_constant): Simplify using fold_binary.
5714         (fold_unary_to_constant): Likewise, simplify using fold_unary.
5715
5716 2005-04-15  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
5717
5718         * gthr-posix.c (pthread_cancel): Define.
5719         (pthread_mutexattr_init): Likewise.
5720         (pthread_mutexattr_settype): Likewise.
5721         (pthread_mutexattr_destroy): Likewise.
5722
5723 2005-04-15  David S. Miller  <davem@davemloft.net>
5724
5725         PR target/20673
5726         * config/sparc/sparc.h (sparc_hard_reg_printed): Mark as GTY(()).
5727
5728 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
5729
5730         PR tree-optimization/21031
5731         * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): New.
5732         (forward_propagate_into_cond_1): Call it.  Forward propagate
5733         integer-integer casts into COND_EXPRs.
5734
5735 2005-04-15  Dave Korn  <dave.korn@artimi.com>
5736
5737         * gcc.c (default_compilers): Clarify obscure error message when
5738         reading from standard input.
5739
5740 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
5741
5742         * basic-block.h (PROP_EQUAL_NOTES): Remove.
5743         * flow.c (propagate_one_insn): Don't use PROP_EQUAL_NOTES.
5744
5745         * tree-ssa-alias.c (init_alias_info): Remove a call to
5746         get_stmt_operands.
5747
5748 2005-04-15  Andrew MacLeod  <amacleod@redhat.com>
5749
5750         * tree-vect-analyze.c (vect_stmt_relevant_p): Process immediate uses
5751         of non-virtual PHI nodes like we use to.
5752
5753 2005-05-15  Paolo Bonzini  <bonzini@gnu.org>
5754
5755         * genattrtab.c (ATTR_EQ_ATTR_P): Remove.
5756         (attr_copy_rtx): Do not use it.
5757
5758 2005-04-15  Andrew Macleod  <amacleod@redhat.com>
5759
5760         * doc/tree-ssa.texi: Grammer/abbreviation updates.
5761
5762 2005-04-15  Diego Novillo  <dnovillo@redhat.com>
5763
5764         * tree-vect-transform.c (vectorizable_store): Mark necessary
5765         objects in the vectorized store needing renaming.  Update the
5766         SSA graph for V_MAY_DEF operands in the original store.
5767
5768 2005-04-14  Daniel Berlin <dberlin@dberlin.org>
5769
5770         * tree-ssa-pre.c (compute_avail): It's okay to have
5771         TREE_INVARIANT's here, and value number the resulting expressions.
5772         (create_expression_by_pieces): Make sure operands that were
5773         min_invariant when we started, stay that way.
5774
5775 2005-04-15  David Edelsohn  <edelsohn@gnu.org>
5776
5777         * doc/install.texi (*-ibm-aix*): Add comment about system limits.
5778
5779 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
5780
5781         PR tree-optimization/20936.
5782         * tree-ssa-ccp.c (visit_assignment): Fix a typo.
5783
5784 2005-04-15  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5785
5786         * doc/invoke.texi: Fix typos.
5787         * doc/md.texi: Likewise.
5788         * doc/rtl.texi: Likewise.
5789         * doc/sourcebuild.texi: Likewise.
5790         * doc/tm.texi: Likewise.
5791
5792 2005-04-15  Uros Bizjak  <uros@kss-loka.si>
5793
5794         PR tree-optimization/21004
5795         * convert.c (convert_to_integer): Convert ceilf, ceill, floorf
5796         and floorl in c99 mode only.
5797         * builtins.c (expand_builtin_int_roundingfn): Assert that
5798         fallback_fndecl is not NULL_TREE.
5799
5800 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
5801
5802         * cfgrtl.c (purge_all_dead_edge): Remove an unused argument.
5803         * basic-block.h: Update the prototype for
5804         purge_all_dead_edges.
5805         * cfgexpand.c (tree_expand_cfg): Update a call to
5806         purge_all_dead_edges.
5807         * combine.c (combine_instructions): Likewise.
5808         * passes.c (rest_of_handle_old_regalloc, rest_of_handle_cse,
5809         rest_of_handle_cse2, rest_of_handle_gcse,
5810         rest_of_handle_postreload): likewise.
5811
5812 2005-04-15  Alexandre Oliva  <aoliva@redhat.com>
5813
5814         PR middle-end/20739
5815         * gimplify.c (gimplify_addr_expr): Compensate for removal of
5816         e.g. cv-qualification conversions.
5817
5818 2005-04-14  Mike Stump  <mrs@apple.com>
5819
5820         * config/darwin-c.c (framework_construct_pathname): We must
5821         find all headers of a framework in the first instance of it
5822         found in the seach path.
5823
5824 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
5825
5826         PR tree-optimization/21021
5827         * tree-vrp.c (compare_values): Work around a bug in the front
5828         end that produces a comparison of mismatched types.
5829
5830 2004-04-14  Richard Henderson  <rth@redhat.com>
5831
5832         * config/ia64/ia64.h (enum fetchop_code): Remove.
5833         (enum ia64_builtins): Move ...
5834         * config/ia64/ia64.c (enum ia64_builtins): ... here.  Remove all
5835         members except BSP and FLUSHRS.
5836         (ia64_init_builtins): Remove __sync builtins.
5837         (ia64_expand_builtin): Likewise.
5838         (ia64_expand_fetch_and_op, ia64_expand_op_and_fetch): Remove.
5839         (ia64_expand_compare_and_swap, ia64_expand_lock_test_and_set): Remove.
5840         (ia64_expand_lock_release): Remove.
5841         * config/ia64/ia64.md (mf): Move to sync.md.
5842         (mf_internal, fetchadd_acq_si, fetchadd_acq_di, cmpxchg_acq_si,
5843         cmpxchg_acq_di, xchgsi, xchgdi): Likewise.
5844         * config/ia64/sync.md: New file.
5845         (memory_barrier): Rename from mf.
5846         (fetchadd_acq_<I48MODE>): Macroize from _si/_di patterns.
5847         (cmpxchg_acq_<I48MODE>): Likewise.
5848         (sync_lock_test_and_set<I48MODE>): Likewise.
5849
5850         * config/ia64/ia64intrin.h: Define nothing for C; limit #defines
5851         to c++.  Remove __sync* declarations.  s/_si/_4/.  s/_di/_8/.
5852
5853 2004-04-14  Richard Henderson  <rth@redhat.com>
5854
5855         * config/i386/i386.c (x86_cmpxchg, x86_xadd): New.
5856         (ix86_compare_emitted): New.
5857         (ix86_expand_compare): Use ix86_compare_emitted if set.
5858         (ix86_expand_setcc): Only emit REG_EQUAL if both ix86_compare_op0
5859         and ix86_compare_op0 are set.
5860         * config/i386/i386.h (x86_cmpxchg, x86_xadd): Declare.
5861         (TARGET_CMPXCHG, TARGET_XADD): New.
5862         (ix86_compare_emitted): Declare.
5863         * config/i386/i386.md: Include sync.md
5864         (UNSPECV_CMPXCHG_1, UNSPECV_CMPXCHG_2): New.
5865         (UNSPECV_XCHG, UNSPECV_LOCK): New.
5866         * config/i386/sync.md: New file.
5867
5868 2004-04-14  Richard Henderson  <rth@redhat.com>
5869
5870         PR middle-end/14311
5871         * builtin-types.def (BT_BOOL, BT_VOLATILE_PTR, BT_I1, BT_I2,
5872         BT_I4, BT_I8, BT_FN_VOID_VPTR, BT_FN_I1_VPTR_I1, BT_FN_I2_VPTR_I2,
5873         BT_FN_I4_VPTR_I4, BT_FN_I8_VPTR_I8, BT_FN_BOOL_VPTR_I1_I1,
5874         BT_FN_BOOL_VPTR_I2_I2, BT_FN_BOOL_VPTR_I4_I4, BT_FN_BOOL_VPTR_I8_I8,
5875         BT_FN_I1_VPTR_I1_I1, BT_FN_I2_VPTR_I2_I2, BT_FN_I4_VPTR_I4_I4,
5876         BT_FN_I8_VPTR_I8_I8): New.
5877         * builtins.def (DEF_SYNC_BUILTIN): New.
5878         (BUILT_IN_FETCH_AND_ADD_N, BUILT_IN_FETCH_AND_ADD_1,
5879         BUILT_IN_FETCH_AND_ADD_2, BUILT_IN_FETCH_AND_ADD_4,
5880         BUILT_IN_FETCH_AND_ADD_8, BUILT_IN_FETCH_AND_SUB_N,
5881         BUILT_IN_FETCH_AND_SUB_1, BUILT_IN_FETCH_AND_SUB_2,
5882         BUILT_IN_FETCH_AND_SUB_4, BUILT_IN_FETCH_AND_SUB_8,
5883         BUILT_IN_FETCH_AND_OR_N, BUILT_IN_FETCH_AND_OR_1,
5884         BUILT_IN_FETCH_AND_OR_2, BUILT_IN_FETCH_AND_OR_4,
5885         BUILT_IN_FETCH_AND_OR_8, BUILT_IN_FETCH_AND_AND_N,
5886         BUILT_IN_FETCH_AND_AND_1, BUILT_IN_FETCH_AND_AND_2,
5887         BUILT_IN_FETCH_AND_AND_4, BUILT_IN_FETCH_AND_AND_8,
5888         BUILT_IN_FETCH_AND_XOR_N, BUILT_IN_FETCH_AND_XOR_1,
5889         BUILT_IN_FETCH_AND_XOR_2, BUILT_IN_FETCH_AND_XOR_4,
5890         BUILT_IN_FETCH_AND_XOR_8, BUILT_IN_FETCH_AND_NAND_N,
5891         BUILT_IN_FETCH_AND_NAND_1, BUILT_IN_FETCH_AND_NAND_2,
5892         BUILT_IN_FETCH_AND_NAND_4, BUILT_IN_FETCH_AND_NAND_8,
5893         BUILT_IN_ADD_AND_FETCH_N, BUILT_IN_ADD_AND_FETCH_1,
5894         BUILT_IN_ADD_AND_FETCH_2, BUILT_IN_ADD_AND_FETCH_4,
5895         BUILT_IN_ADD_AND_FETCH_8, BUILT_IN_SUB_AND_FETCH_N,
5896         BUILT_IN_SUB_AND_FETCH_1, BUILT_IN_SUB_AND_FETCH_2,
5897         BUILT_IN_SUB_AND_FETCH_4, BUILT_IN_SUB_AND_FETCH_8,
5898         BUILT_IN_OR_AND_FETCH_N, BUILT_IN_OR_AND_FETCH_1,
5899         BUILT_IN_OR_AND_FETCH_2, BUILT_IN_OR_AND_FETCH_4,
5900         BUILT_IN_OR_AND_FETCH_8, BUILT_IN_AND_AND_FETCH_N,
5901         BUILT_IN_AND_AND_FETCH_1, BUILT_IN_AND_AND_FETCH_2,
5902         BUILT_IN_AND_AND_FETCH_4, BUILT_IN_AND_AND_FETCH_8,
5903         BUILT_IN_XOR_AND_FETCH_N, BUILT_IN_XOR_AND_FETCH_1,
5904         BUILT_IN_XOR_AND_FETCH_2, BUILT_IN_XOR_AND_FETCH_4,
5905         BUILT_IN_XOR_AND_FETCH_8, BUILT_IN_NAND_AND_FETCH_N,
5906         BUILT_IN_NAND_AND_FETCH_1, BUILT_IN_NAND_AND_FETCH_2,
5907         BUILT_IN_NAND_AND_FETCH_4, BUILT_IN_NAND_AND_FETCH_8,
5908         BUILT_IN_BOOL_COMPARE_AND_SWAP_N, BUILT_IN_BOOL_COMPARE_AND_SWAP_1,
5909         BUILT_IN_BOOL_COMPARE_AND_SWAP_2, BUILT_IN_BOOL_COMPARE_AND_SWAP_4,
5910         BUILT_IN_BOOL_COMPARE_AND_SWAP_8, BUILT_IN_VAL_COMPARE_AND_SWAP_N,
5911         BUILT_IN_VAL_COMPARE_AND_SWAP_1, BUILT_IN_VAL_COMPARE_AND_SWAP_2,
5912         BUILT_IN_VAL_COMPARE_AND_SWAP_4, BUILT_IN_VAL_COMPARE_AND_SWAP_8,
5913         BUILT_IN_LOCK_TEST_AND_SET_N, BUILT_IN_LOCK_TEST_AND_SET_1,
5914         BUILT_IN_LOCK_TEST_AND_SET_2, BUILT_IN_LOCK_TEST_AND_SET_4,
5915         BUILT_IN_LOCK_TEST_AND_SET_8, BUILT_IN_LOCK_RELEASE_N,
5916         BUILT_IN_LOCK_RELEASE_1, BUILT_IN_LOCK_RELEASE_2,
5917         BUILT_IN_LOCK_RELEASE_4, BUILT_IN_LOCK_RELEASE_8,
5918         BUILT_IN_SYNCHRONIZE: New.
5919         * builtins.c (called_as_built_in): Rewrite from CALLED_AS_BUILT_IN
5920         as a function.  Accept __sync_ as a prefix as well.
5921         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
5922         expand_builtin_lock_test_and_set, expand_builtin_synchronize,
5923         expand_builtin_lock_release): New.
5924         (expand_builtin): Call them.
5925         * c-common.c (DEF_BUILTIN): Don't require __builtin_ prefix if
5926         neither BOTH_P nor FALLBACK_P are defined.
5927         (builtin_type_for_size): New.
5928         (sync_resolve_size, sync_resolve_params, sync_resolve_return): New.
5929         (resolve_overloaded_builtin): New.
5930         * c-common.h (resolve_overloaded_builtin): Declare.
5931         (builtin_type_for_size): Declare.
5932         * c-typeck.c (build_function_call): Invoke resolve_overloaded_builtin.
5933         * expr.c (sync_add_optab, sync_sub_optab, sync_ior_optab,
5934         sync_and_optab, sync_xor_optab, sync_nand_optab, sync_old_add_optab,
5935         sync_old_sub_optab, sync_old_ior_optab, sync_old_and_optab,
5936         sync_old_xor_optab, sync_old_nand_optab, sync_new_add_optab,
5937         sync_new_sub_optab, sync_new_ior_optab, sync_new_and_optab,
5938         sync_new_xor_optab, sync_new_nand_optab, sync_compare_and_swap,
5939         sync_compare_and_swap_cc, sync_lock_test_and_set,
5940         sync_lock_release): New.
5941         * optabs.h: Declare them.
5942         * expr.h (expand_val_compare_and_swap, expand_bool_compare_and_swap,
5943         expand_sync_operation, expand_sync_fetch_operation,
5944         expand_sync_lock_test_and_set): Declare.
5945         * genopinit.c (optabs): Add sync optabs.
5946         * optabs.c (init_optabs): Initialize sync optabs.
5947         (expand_val_compare_and_swap_1, expand_val_compare_and_swap,
5948         expand_bool_compare_and_swap, expand_compare_and_swap_loop,
5949         expand_sync_operation, expand_sync_fetch_operation,
5950         expand_sync_lock_test_and_set): New.
5951         * doc/extend.texi (Atomic Builtins): New section
5952         * doc/md.texi (Standard Names): Add sync patterns.
5953
5954 2005-04-14  Alexandre Oliva  <aoliva@redhat.com>
5955
5956         * tree-eh.c (lower_try_finally_copy): Generate new code in
5957         response to goto_queue entries as if the queue was sorted by
5958         index, not pointers.
5959         (lower_try_finally_switch): Likewise.
5960
5961 2005-04-14  Richard Henderson  <rth@redhat.com>
5962
5963         * config/i386/i386.c (ix86_expand_sse_cmp): Split out from ...
5964         (ix86_expand_sse_movcc): ... here.  Take cmp as a pre-computed
5965         register.
5966         (ix86_expand_fp_movcc): Update to match.
5967         (ix86_expand_fp_vcond, ix86_expand_int_vcond): New.
5968         * config/i386/i386-protos.h: Update.
5969         * config/i386/sse.md (vcondv4sf, vcondv2df): New.
5970         (vcond<SSEMODE124>, vcondu<SSEMODE12>): New.
5971
5972 2005-04-14  Joseph S. Myers  <joseph@codesourcery.com>
5973
5974         * doc/cpp.texi, doc/install.texi: Change references to GCC 3.5 to
5975         refer to 4.0.
5976
5977 2005-04-14  Julian Brown  <julian@codesourcery.com>
5978
5979         * Revert elfos.h part of my patch from 2005-04-13 for causing libstdc++
5980         link failures on ppc64 Linux.
5981
5982 2005-04-14  Andreas Krebbel  <krebbel1@de.ibm.com>
5983
5984         * config.gcc: Set cpu_type for s390.
5985
5986 2005-04-14  Daniel Berlin  <dberlin@dberlin.org>
5987
5988         Fix PR tree-optimization/20963
5989         * tree-ssa-pre.c (compute_avail): Remove special case for
5990         TREE_INVARIANT.
5991         (create_expression_by_pieces): Add value numbers for forced out
5992         statements.
5993
5994 2005-04-14  Hans-Peter Nilsson  <hp@axis.com>
5995
5996         * config/cris/cris.md: Replace references to (reg:SI 16) with
5997         (reg:SI CRIS_SRP_REGNUM).
5998
5999 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
6000
6001         PR tree-optimization/20657
6002         * tree-vrp.c (extract_range_from_expr): Notice INTEGER_CST to
6003         create an appropriate range from it.
6004
6005 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
6006
6007         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST_FLOOR> and
6008         <UNSPEC_FIST_CEIL> case.
6009
6010         * config/i386/i386.md (UNSPEC_FIST_FLOOR, UNSPEC_FIST_CEIL): New.
6011         (*fist<mode>2_floor_1, fistdi2_floor, fistdi2_floor_with_temp)
6012         (fist<mode>2_floor, fist<mode>2_floor_with_temp): New isns patterns
6013         to implement lfloor and llfloor built-ins as x87 intrinsic function.
6014         (fistdi2_floor, fist<mode>2_floor splitters): New splitters.
6015         (lfloor<mode>2): New expanders.
6016         (*fist<mode>2_ceil_1, fistdi2_ceil, fistdi2_ceil_with_temp)
6017         (fist<mode>2_ceil, fist<mode>2_ceil_with_temp): New isns patterns
6018         to implement lceil and llceil built-ins as x87 intrinsic function.
6019         (fistdi2_ceil, fist<mode>2_ceil splitters): New splitters.
6020         (lceil<mode>2): New expanders.
6021
6022 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
6023
6024         * convert.c (convert_to_integer): Convert (long int)trunc{,f,l},
6025         and (long long int)ceil{,f,l} into FIX_TRUNC_EXPR.
6026
6027 2005-04-14  Ulrich Weigand  <uweigand@de.ibm.com>
6028
6029         PR target/20927
6030         * config/s390/s390-modes.def: Define TFmode.
6031
6032 2005-04-13  Richard Sandiford  <rsandifo@redhat.com>
6033
6034         * config/mips/mips.h (ASM_OUTPUT_CASE_LABEL): Delete.
6035         (JUMP_TABLES_IN_TEXT_SECTION): Define.
6036         * config/mips/mips.c (mips16_insn_length): Remove reference to
6037         JUMP_TABLES_IN_TEXT_SECTION.
6038
6039 2005-04-13 Fariborz Jahanian <fjahanian@apple.com>
6040
6041         * simplify-rtx.c (simplify_binary_operation_1): Return
6042         scalar or vector of constant 0, depending on the xor's
6043         mode.
6044
6045 2005-04-13  Dale Johannesen  <dalej@apple.com>
6046
6047         * objc/Make-lang.in (objc-lang.o):  Depend on tree-gimple.h.
6048         (objc-act.o):  Ditto.
6049         * objc/objc-act.c (objc_gimplify_expr):  New.
6050         (objc_get_callee_fndecl):  New.
6051         * objc/objc-act.h:  Include tree-gimple.h.  Declare new functions.
6052         * objc/objc-lang.c (LANG_HOOKS_GIMPLIFY_EXPR):  Define.
6053         (LANG_HOOKS_GET_CALLEE_FNDECL):  Define.
6054
6055 2005-04-13  Devang Patel  <dpatel@apple.com>
6056
6057         * tree-if-conv.c (tree_if_convert_cond_expr): Do not create extra
6058         temp variables.
6059
6060 2005-04-13  Hans-Peter Nilsson  <hp@axis.com>
6061
6062         CRIS prologue as RTL.
6063         * config/cris/cris-protos.h (cris_emit_movem_store)
6064         (cris_expand_prologue): Prototype.
6065         * config/cris/cris.c (struct machine_function): New member
6066         stdarg_regs.
6067         (cfa_label_num, cris_target_asm_function_prologue): Remove.
6068         (TARGET_ASM_FUNCTION_PROLOGUE): Don't override.
6069         (cris_general_operand_or_gotless_symbol): Accept CRIS_UNSPEC_GOT.
6070         (cris_load_multiple_op, cris_return_address_on_stack)
6071         (cris_return_address_on_stack_for_return): ISO-Cify.
6072         (cris_store_multiple_op): New predicate function.
6073         (cris_expand_prologue, cris_emit_movem_store): New functions.
6074         (cris_print_operand) <case 'O'>: Handle modifications other than
6075         post-increment.
6076         (cris_symbol, cris_got_symbol): Return 0 for CRIS_UNSPEC_GOT.
6077         (cris_gotless_symbol): Return 1 for CRIS_UNSPEC_GOT.
6078         (cris_gen_movem_load): Rearrange slightly to make local variable
6079         src a parameter, removing osrc.
6080         (cris_setup_incoming_varargs): Set machine_function member
6081         stdarg_regs to correspond to the number of registers that need to
6082         be saved.
6083         * config/cris/cris.h (EXTRA_CONSTRAINT_S): Accept
6084         CRIS_UNSPEC_GOT.
6085         (PREDICATE_CODES): Add cris_store_multiple_op.  Make
6086         cris_general_operand_or_gotless_symbol accept UNSPEC.
6087         * config/cris/cris.md (CRIS_UNSPEC_GOT): New constant.
6088         ("*movsi_internal") <alternative 8>: Handle CRIS_UNSPEC_GOT.
6089         ("*cris_store_multiple"): New pattern.  Tweak common comment above
6090         this and "*cris_load_multiple".
6091         ("prologue"): New define_expand.
6092
6093         * config/cris/cris.md ("epilogue"): Conditionalize on
6094         TARGET_PROLOGUE_EPILOGUE.
6095
6096 2005-04-13  Steve Ellcey  <sje@cup.hp.com>
6097
6098         PR target/20924
6099         * config/ia64/ia64.md (divsf3_internal_lat): Generate frcpa with
6100         fpsr 0 instead of fpsr 1.
6101         (divsf3_internal_thr): Ditto.
6102         (divdf3_internal_lat): Ditto.
6103         (divdf3_internal_thr): Ditto.
6104         (divxf3_internal_lat): Ditto.
6105         (divxf3_internal_thr): Ditto.
6106
6107 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
6108
6109         PR tree-optimization/20913
6110         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Fold COND_EXPR.
6111
6112         PR tree-optimization/20702
6113         * tree-vrp.c (maybe_add_assert_expr): Recurse into
6114         dominator children that haven't been walked into.
6115
6116 2005-04-13  Julian Brown  <julian@codesourcery.com>
6117
6118         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK from
6119         being used for symbols with vague linkage when HAVE_GAS_COMDAT_GROUP
6120         is true.
6121
6122 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
6123
6124         * basic-block.h, tree-ssa-uncprop.c, varasm.c,
6125         config/i386/sse.md: Fix comment typos.
6126
6127         * genattrtab.c (NULL_ATTR): Remove.
6128         * ifcvt.c (NULL_EDGE): Likewise.
6129
6130         * rtl.h (RTX_EXPR_FIRST, RTX_EXPR_LAST): Remove.
6131
6132         * rtl.h (NOTE_PREDICTION_ALG, NOTE_PREDICTION_FLAGS,
6133         NOTE_PREDICT): Remove.
6134
6135 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
6136
6137         * configure.ac (gcc_AC_CHECK_DECLS): Add vsnprintf.
6138         * configure: Regenerate.
6139         * config.in: Likewise.
6140         * system.h: Declare vsnprintf if not already declared.
6141
6142 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
6143
6144         * optc-gen.awk: Handle stand-alone Mask records.
6145         * opth-gen.awk: Likewise.
6146         * doc/options.texi (Option file format): Document them.
6147         * config.gcc (sparc-*-netbsdelf*, sparc-*-linux*, sparc64-*-freebsd*,
6148         sparc64-*-linux*, sparc64-*-netbsd*): Add long-double-switch.opt.
6149         (sparc64-*-openbsd*, sparc64-*-elf*): Add little-endian.opt.
6150         * config/sparc/sparc.h (MASK_FPU, MASK_UNALIGNED_DOUBLES,
6151         MASK_V8, MASK_SPARCLITE, MASK_SPARCLET, MASK_V9,
6152         MASK_DEPRECATED_V8_INSNS, MASK_IMPURE_TEXT, MASK_APP_REGS,
6153         MASK_HARD_QUAD, MASK_LITTLE_ENDIAN, MASK_PTR64, MASK_64BIT,
6154         MASK_STACK_BIAS, MASK_FPU_SET, MASK_VIS, MASK_V8PLUS,
6155         MASK_FASTER_STRUCTS, MASK_LONG_DOUBLE_128): Delete.
6156         (TARGET_FPU, TARGET_UNALIGNED_DOUBLES, TARGET_V8, TARGET_SPARCLITE,
6157         TARGET_SPARCLET, TARGET_V9, TARGET_DEPRECATED_V8_INSNS,
6158         TARGET_IMPURE_TEXT, TARGET_APP_REGS, MASK_HARD_QUAD,
6159         TARGET_LITTLE_ENDIAN, TARGET_PTR64, TARGET_64BIT, MASK_STACK_BIAS,
6160         TARGET_FPU_SET, TARGET_VIS, TARGET_V8PLUS, TARGET_FASTER_STRUCTS,
6161         TARGET_LONG_DOUBLE_128): Likewise.
6162         (TARGET_SWITCHES, SUBTARGET_SWITCHES): Likewise.
6163         (TARGET_OPTIONS, SUBTARGET_OPTIONS): Likewise.
6164         * config/sparc/freebsd.h (SUBTARGET_SWITCHES): Likewise.
6165         * config/sparc/linux.h (SUBTARGET_SWITCHES): Likewise.
6166         * config/sparc/linux64.h (SUBTARGET_SWITCHES): Likewise.
6167         * config/sparc/netbsd-elf.h (SUBTARGET_SWITCHES): Likewise.
6168         * config/sparc/sp64-elf.h (SUBTARGET_SWITCHES): Likewise.
6169         * config/sparc/sparc.c (fpu_option_set): New global.
6170         (sparc_handle_option): New function.
6171         (sparc_override_options): Test fpu_option_set.
6172         (TARGET_DEFAULT_TARGET_FLAGS): Set to TARGET_DEFAULT.
6173         (TARGET_HANDLE_OPTION): Set to sparc_handle_option.
6174         * config/sparc/sparc.opt: New file.
6175         * config/sparc/little-endian.opt: Likewise.
6176         * config/sparc/long-double-switch.opt: Likewise.
6177
6178 2005-04-13  Bernd Schmidt  <bernd.schmidt@analog.com>
6179
6180         * config/bfin/bfin.c (bfin_lib_id_given): New static variable.
6181         (bfin_handle_options): Set it if -mshared-library-id= is seen.
6182         * config/bfin/bfin.opt (mshared-library-id=): Lose
6183         Var(bfin_lib_id_given).
6184
6185 2005-04-13  Matt Thomas  <matt@3am-software.com>
6186
6187         * config/rs6000/sysv4.h (NO_IMPLICIT_EXTERN_C): undefine before
6188         defining.
6189
6190 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
6191
6192         * rtl.h (CLEAR_RTX_FLAGS): Remove.
6193
6194         * cgraphunit.c (INSNS_PER_CALL): Remove.
6195
6196         * tree-ssa-forwprop.c (vars,
6197         record_single_argument_cond_exprs,
6198         substitute_single_use_vars): Remove.
6199         (forward_propagate_into_cond_1, forward_propagate_into_cond):
6200         New.
6201         (tree_ssa_forward_propagate_single_use_vars): Call
6202         forward_propagate_into_cond for each COND_EXPR.
6203
6204         * tree-inline.c (INSNS_PER_STMT): Remove.
6205
6206 2005-04-12  Richard Henderson  <rth@redhat.com>
6207
6208         * config/i386/i386.c (ix86_prepare_sse_fp_compare_args): Split ...
6209         (ix86_expand_sse_fp_minmax): ... from ...
6210         (ix86_expand_fp_movcc): ... here.
6211         (ix86_expand_sse_movcc): Rewrite from ix86_split_sse_movcc.
6212         * config/i386/i386-protos.h: Update.
6213         * config/i386/i386.md (UNSPEC_IEEE_MIN, UNSPEC_IEEE_MAX): New.
6214         (sse_setccsf, sse_setccdf): Allow before reload.
6215         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): Remove.
6216         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): Remove.
6217         (ieee_sminsf3, ieee_smaxsf3, ieee_smindf3, ieee_smaxdf3): New.
6218         * config/i386/sse.md (andsf3, nandsf3, iorsf3, xorsf3): New.
6219         (anddf3, nanddf3, iordf3, xordf3): New.
6220
6221 2005-04-12  Jeff Law  <law@redhat.com>
6222
6223         * Makefile.in (OBJS-common): Add tree-ssa-uncprop.o.
6224         (tree-ssa-uncprop.o): Add dependencies.
6225         * tree-cfg.c (remove_useless_stmts_bb, remove_useless_stmts): Remove.
6226         * tree-flow.h (remove_useless_stmts): Remove prototype.
6227         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
6228         remove_useless_stmts.
6229         * timevar.def (TV_TREE_SSA_UNCPROP): New timevar.
6230         * tree-optimize.c (init_tree_optimization_passes): Add uncprop pass.
6231         * tree-pass.h (pass_uncprop): Declare.
6232         * tree-ssa-uncprop.c: New file.
6233
6234 2005-04-12  James E. Wilson  <wilson@specifixinc.com>
6235
6236         PR target/20670
6237         * unwind-ia64.c (uw_intall_context): Add missing load of r27.
6238
6239 2005-04-12  Caroline Tice  <ctice@apple.com>
6240
6241         Temporary fix for partitioning problems.
6242         * passes.c (rest_of_handle_final): Remove code that
6243         frees unlikely_text_section_name,
6244         * varasm.c (assemble_start_function): Test for partitioning
6245         flag before writing out section labels.
6246         (assemble_end_function): Test for partitioning flag before
6247         writing out section labels.
6248
6249 2005-04-12  Steven Bosscher  <stevenb@suse.de>
6250             Stuart Hastings <stuart@apple.com>
6251             Jan Hubicka  <jh@suse.cz>
6252
6253         * Makefile.in: Add function.h to BASIC_BLOCK_H.  Remove all
6254         references to gt-tree-cfg.h.
6255         * basic-block.h (struct basic_block_def): Don't skip rbi
6256         for garbage collection.
6257         (struct reorder_block_def): Make GTY-able.
6258         (struct control_flow_graph): New structure.
6259         (n_edges, n_basic_blocks, last_basic_block, basic_block_info,
6260         BASIC_BLOCK, EXIT_BLOCK_PTR, ENTRY_BLOCK_PTR): No longer vars,
6261         but instead defines to the control_flow_graph for cfun.
6262         (label_to_block_map): New define, points to the label map of
6263         the control_flow_graph for cfun.
6264         (n_edges_for_function, n_basic_blocks_for_function,
6265         last_basic_block_for_function, basic_block_info_for_function,
6266         EXIT_BLOCK_PTR_FOR_FUNCTION, ENTRY_BLOCK_PTR_FOR_FUNCTION,
6267         basic_block_info_for_function, label_to_block_map_for_function):
6268         Counterparts for the above, taking a struct function as an extra
6269         argument.
6270         (alloc_rbi_pool, free_rbi_pool): Remove prototypes.
6271         * cfg.c: (n_edges, n_basic_blocks, last_basic_block,
6272         basic_block_info, ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): Remove.
6273         (alloc_rbi_pool, free_rbi_pool): Remove.
6274         (initialize_bb_rbi): Use ggc_alloc_cleared instead of pool_alloc.
6275         * cfglayout.c: (cfg_layout_initialize): Don't allocate the rbi pool
6276         here...
6277         (cfg_layout_finalize) ... and don't free it here.
6278         * cfgrtl.c (cfg_layout_delete_block): Zero out rbi so it gets
6279         garbage collected.
6280         * flow.c (free_basic_block_vars): Set label_to_block_map and
6281         n_edges to zero too.
6282         * function.h (struct function): Add cfg field.
6283         * function.c (allocate_struct_function): Allocate the cfg.
6284         * tree-cfg.c (label_to_block_map): Remove.
6285         (build_tree_cfg): Don't allocate the rbi pool here...
6286         (delete_tree_cfg_annotations): ...and don't free it here.
6287         Also don't nullify label_to_block_map for cfun.
6288
6289 2005-04-12  Caroline Tice  <ctice@apple.com>
6290
6291         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
6292         Revert my patch from April 9.
6293         (fix_edges_for_rarely_executed_code): Revert my patch from April 9.
6294         (reorder_basic_blocks): Revert my patch from April 9.
6295         (insert_section_boundary_note): Revert my patch from April 9.
6296         * dbxout.c (dbxout_function_end): Revert my patch from April 9.
6297         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): Revert my patch from April 9.
6298         (COLD_END_LABEL):  Revert my patch from April 9.
6299         (cold_text_section_label):  Revert my patch from April 9.
6300         (cold_end_label): Revert my patch from April 9.
6301         (dwarf2out_switch_text_section): Revert my patch from April 9.
6302         (output_aranges): Revert my patch from April 9.
6303         (output_ranges):  Revert my patch from April 9.
6304         (output_line_info): Revert my patch from April 9.
6305         (add_location_or_const_value_attribute):  Revert my patch from April 9.
6306         (dwarf2out_var_location): Revert my patch from April 9.
6307         (dwarf2out_init):  Revert my patch from April 9.
6308         (dwarf2out_finish): Revert my patch from April 9.
6309         * function.h (struct function): Revert my patch from April 9.
6310         * opts.c (decode_options): Revert my patch from April 9.
6311         * output.h (unlikely_section_label, hot_section_label,
6312         hot_section_end_label, cold_section_end_label,
6313         unlikely_text_section_name): Revert my patch from April 9.
6314         * passes.c (rest_of_handle_final): Revert my patch from April 9.
6315         * varasm.c (unlikely_section_label, hot_section_label,
6316         hot_section_end_label, cold_section_end_label,
6317         unlikely_text_section_name): Revert my patch from April 9.
6318         (initialize_cold_section_name): Revert my patch from April 9.
6319         (unlikely_text_section): Revert my patch from April 9.
6320         (in_unlikely_text_section): Revert my patch from April 9.
6321         (named_section): Revert my patch from April 9.
6322         (function_section): Revert my patch from April 9.
6323         (current_function_section): Revert my patch from April 9.
6324         (assemble_start_function): Revert my patch from April 9.
6325         (assemble_end_function): Revert my patch from April 9.
6326         (default_section_type_flags_1): Revert my patch from April 9.
6327
6328 2005-04-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
6329
6330         * config/sparc/sparc.h (APPLY_RESULT_SIZE): Set to 24 in 64-bit mode.
6331         * config/sparc/sparc.md (untyped_call): Save the registers manually.
6332
6333         * config/sparc/sparc.c (legitimate_address_p): Use TARGET_ARCH32.
6334
6335 2005-04-12  Ulrich Weigand  <uweigand@de.ibm.com>
6336
6337         PR middle-end/20917
6338         * config/s390/s390.md ("*set_tp"): Use SET in pattern.
6339         ("set_tp_64", "set_tp_31"): Adapt expanded pattern.
6340
6341 2004-04-12  Richard Henderson  <rth@redhat.com>
6342
6343         * config/i386/i386.md (UNSPEC_FIX, UNSPEC_MOVA, UNSPEC_SHUFFLE,
6344         UNSPEC_PSHUFLW, UNSPEC_PSHUFHW, UNSPEC_ADDSUB, UNSPEC_HADD,
6345         UNSPEC_HSUB, UNSPEC_MOVSHDUP, UNSPEC_MOVSLDUP, UNSPEC_MOVDDUP): Remove.
6346         (UNSPEC_*, UNSPECV_*): Renumber.
6347
6348 2005-04-12  Frank Ch. Eigler  <fche@redhat.com>
6349
6350         PR mudflap/19266
6351         From Richard Henderson <rth@redhat.com>:
6352         * tree-mudflap.c (mf_build_check_statement_for): Correct block
6353         splitting logic.
6354
6355 2005-04-12  Dorit Naishlos  <dorit@il.ibm.com>
6356
6357         * tree-cfg.c (tree_verify_flow_info): Use LABEL_EXPR_LABEL.
6358
6359 2005-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
6360
6361         * config/bfin/bfin.c (bfin_library_id_string): Remove.
6362         (bfin_library_id): New variable.
6363         (bfin_expand_prologue): Use bfin_library_id and bfin_lib_id_given
6364         instead of bfin_library_id_string.
6365         (bfin_handle_option): New function.
6366         (override_options): Remove most code to deal with shared library IDs,
6367         just check they aren't used without -mid-shared-library.
6368         (TARGET_HANDLE_OPTION): Define.
6369         * config/bfin/bfin.h (TARGET_OPTIONS): Delete macro.
6370         * config/bfin/bfin.opt (mshared-library-id=): New.
6371
6372 2005-04-12  Kazu Hirata  <kazu@cs.umass.edu>
6373
6374         * tree-vect-transform.c: Fix comment typos.
6375
6376 2005-04-12 Mostafa Hagog <mustafa@il.ibm.com>
6377
6378         * postreload-gcse.c (eliminate_partially_redundant_load): Don't
6379         split critical edges when not possible/profitable.
6380
6381 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
6382
6383         * config/ns32k/ns32k.h (target_flags, MASK_32081, MASK_RTD)
6384         (MASK_REGPARM, MASK_32532, MASK_32332, MASK_NO_SB, MASK_NO_BITFIELD)
6385         (MASK_HIMEM, MASK_32381, MASK_MULT_ADD, MASK_SRC, MASK_IEEE_COMPARE)
6386         (TARGET_32081, TARGET_32381, TARGET_MULT_ADD, TARGET_RTD)
6387         (TARGET_REGPARM, TARGET_32532, TARGET_32332, TARGET_SB, TARGET_HIMEM)
6388         (TARGET_BITFIELD, TARGET_IEEE_COMPARE, TARGET_SWITCHES): Delete.
6389         (OVERRIDE_OPTIONS): Clear MASK_SB instead of setting MASK_NO_SB.
6390         * config/ns32k/netbsd.h (TARGET_DEFAULT): Remove MASK_NO_SB and
6391         MASK_NO_BITFIELD.
6392         * config/ns32k/ns32k.c (ns32k_handle_option): New function.
6393         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
6394         * config/ns32k/ns32k.opt: New file.
6395
6396 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
6397
6398         * config.gcc (m68k-*-linux*): Add m68k/ieee.opt to $extra_options.
6399         * config/m68k/m68k.h (target_flags, MASK_68020, TARGET_68020)
6400         (MASK_68030, TARGET_68030, MASK_68040, TARGET_68040, MASK_68040_ONLY)
6401         (TARGET_68040_ONLY, MASK_68060, TARGET_68060, MASK_5200, TARGET_5200)
6402         (MASK_CFV3, TARGET_CFV3, MASK_CFV4, TARGET_CFV4, MASK_528x)
6403         (TARGET_528x, MASK_CF_HWDIV, TARGET_CF_HWDIV, MASK_68881, TARGET_68881)
6404         (MASK_BITFIELD, TARGET_BITFIELD, MASK_SHORT, TARGET_SHORT)
6405         (MASK_ALIGN_INT, TARGET_ALIGN_INT, MASK_PCREL, TARGET_PCREL)
6406         (MASK_NO_STRICT_ALIGNMENT, TARGET_STRICT_ALIGNMENT, MASK_RTD)
6407         (TARGET_RTD, MASK_SEP_DATA, TARGET_SEP_DATA, MASK_ID_SHARED_LIBRARY)
6408         (TARGET_ID_SHARED_LIBRARY, MASK_ALL_CF_BITS, TARGET_SWITCHES)
6409         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS): Delete.
6410         (MASK_COLDFIRE): Formatting fixes.
6411         (TARGET_COLDFIRE): Turn into a boolean value for consistency.
6412         * config/m68k/linux.h (SUBTARGET_SWITCHES): Delete.
6413         * config/m68k/m68k.c (m68k_library_id_string): Initialize to
6414         "_current_shared_library_a5_offset_".
6415         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
6416         (MASK_ALL_CPU_BITS): New macro.
6417         (m68k_handle_option): New function.
6418         (override_options): Remove handling of m68k_library_id_string.
6419         * config/m68k/m68k.opt: New file.
6420         * config/m68k/ieee.opt: New file.
6421
6422 2005-04-11  Mark Mitchell  <mark@codesourcery.com>
6423
6424         * target-def.h (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
6425         (TARGET_CXX_DETERMINE_CLASS_VISIBILITY): New macro.
6426         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
6427         (TARGET_CXX): Adjust accordingly.
6428         * target.h (struct gcc_target): Remove epxort_class_data.  Add
6429         determine_class_data_visibility and class_data_always_comdat.
6430         * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
6431         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Document.
6432         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
6433         * config/arm/arm.c (arm_cxx_export_class_data): Remove.
6434         (arm_cxx_determine_class_data_visibility): New.
6435         (arm_cxx_class_data_always_comdat): Likewise.
6436         (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
6437         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
6438         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
6439         * config/arm/arm.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P): Define.
6440         * config/arm/symbian.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P):
6441         Define.
6442
6443 2005-04-11  Devang Patel  <dpatel@apple.com>
6444
6445         * tree-data-ref.c (build_classic_dist_vector,
6446         compute_subscript_distance): Make externally visible.
6447         * tree-data-ref.h (build_classic_dist_vector,
6448         compute_subscript_distance): Same.
6449         * tree-vect-analyze.c (vect_analyze_data_ref_dependence):
6450         Check distance vector against vectorization factor.
6451         (vect_analyze_loop): Determine vectorizaion factor before
6452         analyzing data dependences.
6453         * tree-vectorizer.c (loops_num): Make it externally visible and
6454         rename ...
6455         * tree-vectorizer.c (vect_loops_num): ... new name.
6456         * tree-vectorizer.h  (vect_loops_num): New.
6457
6458 2005-04-11  Devang Patel  <dpatel@apple.com>
6459
6460         * tree-vect-analyze.c (vect_analyze_operations): Check
6461         vectorizable codition.
6462         * tree-vect-transform.c (vect_is_simple_cond): New function.
6463         (vectorizable_condition): New function.
6464         (vect_transform_stmt): Handle condition_vec_info_type.
6465         * tree-vectorizer.h (enum stmt_vec_info_type): Add
6466         condition_vec_info_type.
6467         (vectorizable_condition): New.
6468
6469 2005-04-11  Geoffrey Keating  <geoffk@apple.com>
6470
6471         * config/i386/i386.h (TARGET_FPMATH_DEFAULT): New.
6472         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT): New.
6473         * config/i386/i386.c (override_options): Use TARGET_FPMATH_DEFAULT.
6474
6475         * config/i386/darwin.h (ASM_SPEC): Use -arch i386 not -arch i686.
6476         (SUBTARGET_EXTRA_SPECS): Always 'i386'.
6477
6478         * dwarf2out.c (output_line_info): Don't try to dereference
6479         a NULL current_function_decl.
6480
6481         * config/t-slibgcc-darwin: Don't put shared libraries in
6482         directories other than $(slibdir).
6483         * config/rs6000/darwin.h: Find -m64 libgcc under the name the
6484         OS uses for it.
6485
6486 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
6487
6488         PR tree-optimization/20933
6489         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Move
6490         logic to reject aliases between read-only and writable
6491         variables ...
6492         (may_alias_p): ... here.
6493         (get_tmt_for): Do not associate read-only tags to pointers
6494         whose pointed-to type is not read-only.
6495         * tree-ssa.c (verify_ssa): Check that memory stores have at
6496         least one V_MAY_DEF or V_MUST_DEF.
6497
6498 2005-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6499
6500         PR/17092
6501         * configure.ac (gcc_UNLOCKED_FUNCS): New.
6502         (AC_CHECK_FUNCS, AC_CHECK_DECLS): Check for gcc_UNLOCKED_FUNCS.
6503         * system.h (putchar, getc, getchar, clearerr, feof, fileno,
6504         fflush, fgetc, fgets, ferror, fread): Redefine to the associated
6505         _unlocked function.
6506         (fwrite_unlocked): Fix prototype.
6507
6508         * configure, config.in: Regenerate.
6509
6510 2005-04-11  David Edelsohn  <edelsohn@gnu.org>
6511
6512         * tree-ssa-loop-im.c: Include real.h.
6513         (determine_invariantness_stmt): If real division divisor is
6514         invariant and flag_unsafe_math_optimizations enabled, generate
6515         invariant reciprocal for hoisting.
6516         * Makefile.in (tree-ssa-loop-im.o): Add real.h dependency.
6517
6518 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
6519
6520         Fix PR tree-optimization/20926
6521
6522         * tree-ssa-alias.c (add_type_alias): Handle subvars.
6523
6524 2005-04-11  Devang Patel  <dpatel@apple.com>
6525
6526         * config/rs6000.c (rs6000_emit_vector_select): Fix vector select
6527         operand ordering.
6528
6529 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
6530
6531         * fold-const.c (fold_binary_op_with_conditional_arg):
6532         use fold_buildN instead of "fold (buildN" in some
6533         non obvious places.
6534         (fold_unary): Likewise.
6535         (fold_binary): Likewise.
6536
6537 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
6538
6539         Fix PR tree-optimization/20612
6540         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Fix increment
6541         handling
6542         (perfect_nestify): preheaderbb is *not* part of loop of the
6543         old destination.
6544
6545 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
6546
6547         * tree-ssa-alias.c (may_alias_p): If the variable
6548         is a global variable and the pointer is parameter
6549         and -fargument-noalias-global is used, then
6550         the pointer cannot alias the variable.
6551
6552 2005-04-11  James A. Morrison  <phython@gcc.gnu.org>
6553
6554         * config/sparc/sparc.c: Use gcc_assert and gcc_unreachable.
6555         * config/sparc/sparc.h: Likewise.
6556         * config/sparc/sparc.md: Likewise.
6557
6558 2005-04-11  Kazu Hirata  <kazu@cs.umass.edu>
6559
6560         * tree-vrp.c (maybe_add_assert_expr): Move a comment.
6561
6562         * tree-vrp.c: Fix a comment typo.
6563
6564 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
6565
6566         PR tree-optimization/20920
6567         * tree-pretty-print.c (dump_generic_node): Show '(ab)' if an
6568         SSA_NAME flows through an abnormal edge.
6569         * tree-vrp.c (infer_value_range): Ignore SSA names that flow
6570         through abnormal edges.
6571         (maybe_add_assert_expr): Likewise.
6572
6573 2005-04-11  Richard Sandiford  <rsandifo@redhat.com>
6574
6575         * config/s390/s390.h (s390_tune_string, s390_arch_string)
6576         (s390_warn_framesize_string, s390_warn_dynamicstack_string)
6577         (s390_stack_size_string, s390_stack_guard_string, target_flags)
6578         (MASK_HARD_FLOAT, MASK_SMALL_EXEC, MASK_DEBUG_ARG, MASK_64BIT)
6579         (MASK_ZARCH, MASK_MVCLE, MASK_TPF_PROFILING, MASK_NO_FUSED_MADD)
6580         (MASK_BACKCHAIN, MASK_PACKED_STACK, TARGET_HARD_FLOAT)
6581         (TARGET_SOFT_FLOAT, TARGET_SMALL_EXEC, TARGET_DEBUG_ARG)
6582         (TARGET_64BIT, TARGET_ZARCH, TARGET_MVCLE, TARGET_TPF_PROFILING)
6583         (TARGET_NO_FUSED_MADD, TARGET_FUSED_MADD, TARGET_BACKCHAIN)
6584         (TARGET_PACKED_STACK, TARGET_SWITCHES, TARGET_OPTIONS): Delete.
6585         * config/s390/s390.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
6586         (TARGET_HANDLE_OPTION): Likewise.
6587         (s390_tune): Initialize to PROCESSOR_max.
6588         (s390_arch_string): Make static.
6589         (s390_tune_string, s390_warn_framesize_string): Delete.
6590         (s390_warn_dynamicstack_string, s390_stack_size_string): Delete.
6591         (s390_stack_guard_string, s390_warn_dynamicstack_p): Delete.
6592         (s390_handle_arch_option, s390_handle_option): New functions.
6593         (override_options): Remove parsing of option strings.
6594         * config/s390/s390.opt: New file.
6595
6596 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
6597
6598         * tree-complex.c (expand_vector_operations): Call
6599         update_stmt_if_modified.
6600
6601 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
6602
6603         * tree-vect-analyze (vect_determine_vectorization_factor):
6604         Do not use GET_MODE_NUNITS.
6605         * tree-vect-transform.c (vect_get_vec_def_for_operand,
6606         (vectorizable_load, vect_transform_loop): Likewise.
6607
6608 2005-04-11  Uros Bizjak  <uros@kss-loka.si>
6609
6610         * builtins.def (BUILT_IN_LCEIL, BUILT_IN_LCEILF, BUILT_IN_LCEILL)
6611         (BUILT_IN_LLCEIL, BUILT_IN_LLCEILF, BUILT_IN_LLCEILL): New.
6612         * optabs.h (enum optab_index): Add new OTI_lceil.
6613         (lceil_optab): Define corresponding macro.
6614         * optabs.c (init_optabs): Initialize lceil_optab.
6615         * genopinit.c (optabs): Implement lceil_optab using lceilsi2
6616         and lceildi2 patterns.
6617         * builtins.c (expand_builtin_int_roundingfn): Handle
6618         BUILT_IN_LCEIL{,F,L} and BUILT_IN_LLCEIL{,F,L}.
6619         (fold_builtin_int_roundingfn): Handle BUILT_IN_LCEIL{,F,L} and
6620         BUILT_IN_LLCEIL{,F,L}.
6621         (fold_builtin_1): Fold BUILT_IN_LCEIL{,F,L} and
6622         BUILT_IN_LLCEIL{,F,L} using fold_builtin_int_roundingfn.
6623         (mathfn_built_in): Handle BUILT_IN LCEIL and BUILT_IN_LLCEIL.
6624         (expand_builtin): Expand BUILT_IN_LCEIL{,F,L} and
6625         BUILT_IN_LLCEIL{,F,L} using expand_builtin_int_roundingfn.
6626         * convert.c (convert_to_integer): Convert (long int)ceil{,f,l},
6627         into lceil built-in function and (long long int)ceil{,f,l} into
6628         llceil built-in function.
6629         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LCEIL and
6630         BUILT_IN_LLCEIL.
6631
6632 2005-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6633
6634         * pa/quadlib.c (_U_Qfneg): Toggle sign bit instead of subtracting from
6635         zero.
6636
6637 2005-04-10  Kazu Hirata  <kazu@cs.umass.edu>
6638
6639         * config/arm/arm.c: Fix a comment typo.
6640         * doc/tree-ssa.texi: Fix a typo.
6641
6642 2005-04-10  Steven Bosscher  <stevenb@suse.de>
6643
6644         * cselib.c (clear_table): Rename to cselib_clear_table.
6645         * cselib.h (cselib_clear_table): Add prototype.
6646         * gcse.c (gcse_main): Make 'f' argument unused.
6647         (alloc_gcse_mem): Do not walk the insn chain, walk the contents
6648         of each basic block instead.
6649         (compute_sets, compute_hash_table_work): Likewise.
6650         (constprop_register): Change int 'alter_jumps' argument to bool.
6651         (do_local_cprop): Likewise.
6652         (local_cprop_pass): Likewise.  Also walk basic blocks instead of
6653         the insn chain.  Explicitly clear the cselib tables after finishing
6654         one basic block.  Make sure there are no unterminated libcall blocks.
6655         Update compute_sets call.
6656         (cprop): Walk basic blocks instead of the insn chain.
6657         (one_cprop_pass, compute_ld_motion_mems, compute_store_table):
6658         Likewise.
6659         (bypass_jumps): Update alloc_gcse_mem, compute_sets, and
6660         one_cprop_pass calls.
6661
6662 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
6663
6664         * combine.c (combine_simplify_rtx): Remove a transformation that
6665         relies on an invalid assumption about rtl sign-extension semantics.
6666
6667 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
6668
6669         * value-prof.c (tree_divmod_fixed_value_transform): Fix arguments
6670         to build_int_cst_wide.
6671
6672 2005-04-09  Alexandre Oliva  <aoliva@redhat.com>
6673
6674         PR target/20126
6675         * loop.c (loop_givs_rescan): If replacement of DEST_ADDR failed,
6676         set the original address pseudo to the correct value before the
6677         original insn, if possible, and leave the insn alone, otherwise
6678         create a new pseudo, set it and replace it in the insn.
6679         * recog.c (validate_change_maybe_volatile): New.
6680         * recog.h (validate_change_maybe_volatile): Declare.
6681
6682 2005-04-09  Caroline Tice  <ctice@apple.com>
6683
6684         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
6685         Remove targetm.have_named_sections test.
6686         (fix_edges_for_rarely_executed_code): Likewise.
6687         (insert_section_boundary_note): Likewise.
6688         (reorder_basic_blocks): Check partitioning flag before calling
6689         verify_hot_cold_block_grouping.
6690         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
6691         the function struct rather than global variables.
6692         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
6693         (COLD_END_LABEL): Likewise
6694         (cold_text_section_label): New static global variable.
6695         (cold_end_label): Likewise.
6696         (dwarf2out_switch_text_section): Get hot/cold section labels from
6697         the function struct rather than global variables.
6698         (output_aranges): Use cold_text_section_label and cold_end_label;
6699         check partitioning flag before putting out delta.
6700         (output_ranges): Remove incorrect code attempting to use
6701         hot/cold labels.
6702         (output_line_info): Get cold section label from function struct.
6703         (add_location_or_const_value_attribute): Likewise.
6704         (get_subprogram_die): Get hot/cold section labels from function struct.
6705         (dwarf2out_var_location): Likewise.
6706         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
6707         write out cold_text_section_label if partition flag is set.
6708         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
6709         * function.h (struct function): Add new fields to point to hot/cold
6710         section labels: hot_section_label, cold_section_label,
6711         hot_section_end_label and cold_section_end_label; also add new field
6712         for cold text section name, unlikely_text_section_name.
6713         * opts.c (decode_options): Turn off partitioning flag if
6714         !targetm.have_named_sections.
6715         * output.h (hot_section_label): Remove.
6716         (hot_section_end_label): Remove.
6717         (cold_section_end_label): Remove.
6718         (unlikely_section_label): Remove.
6719         (unlikely_text_section_name): Remove.
6720         * passes.c (rest_of_handle_final):  Remove code that frees
6721         unlikely_text_section_name.
6722         * varasm.c (unlikely_section_label): Remove.
6723         (hot_section_label): Remove.
6724         (hot_section_end_label): Remove.
6725         (cold_section_end_label): Remove.
6726         (unlikely_text_section_name):  Remove.
6727         (initialize_cold_section_name): Modify to call
6728         targetm.strip_name_encoding; to store cold section name in current
6729         function struct, if it exists; and to only use the decl_section_name
6730         if flag_named_sections is true.
6731         (unlikely_text_section): Modify to get section name out of current
6732         function struct, if there is one; otherwise build it from
6733         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
6734         (in_unlikely_text_section): Likewise.
6735         (named_section): Modify to get/put cold section name in current function
6736         struct, if there is one.
6737         (function_section):  Change 'bool unlikely' to 'int reloc'; check
6738         targetm.have_named_sections before calling named_section.
6739         (current_function_section): Likewise.
6740         (assemble_start_function): Modify to get/put unlikely_text_section_name
6741         in current function struct; modify to get hot/cold section labels
6742         from function struct; initialize labels using
6743         ASM_GENERATE_INTERNAL_LABEL;
6744         test partitioning flag before writing out hot section label.
6745         (assemble_end_function): Test partitioning flag before writing out
6746         hot/cold section labels.
6747         (default_section_type_flags_1):  Modify to use array instead of
6748          char* for unlikely_text_section_name; set flags correctly for
6749          cold text section if there is not a current function decl.
6750
6751 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
6752
6753         * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
6754         and TI_VA_LIST_FPR_COUNTER_FIELD.
6755         (va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
6756         * tree-pass.h (pass_stdarg): Add.
6757         * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
6758         * tree-stdarg.c: New file.
6759         * tree-stdarg.h: New file.
6760         * Makefile.in (OBJS-common): Add tree-stdarg.o.
6761         (tree-stdarg.o): Add dependencies.
6762         * function.h (struct function): Add va_list_gpr_size and
6763         va_list_fpr_size fields.
6764         * function.c (allocate_struct_function): Initialize them.
6765         * target.h (struct gcc_target): Add stdarg_optimize_hook.
6766         * target-def.h (TARGET_STDARG_OPTIMIZE_HOOK): Define.
6767         (TARGET_INITIALIZER): Add it.
6768
6769         * config/i386/i386.c (ix86_build_builtin_va_list): Initialize
6770         va_list_{g,f}pr_counter_field.
6771         (ix86_setup_incoming_varargs): Don't do anything if reg_save
6772         area will not be used.  Only save registers that tree-stdarg.c
6773         detected they need saving.
6774         (ix86_va_start): Don't set up fields that won't be used.
6775
6776         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
6777         va_list_{g,f}pr_counter_field.
6778         (setup_incoming_varargs): Don't do anything if reg_save
6779         area will not be used.  Only save registers that tree-stdarg.c
6780         detected they need saving.
6781         (rs6000_va_start): Don't set up fields that won't be used.
6782
6783         * config/alpha/alpha.c: Include tree-flow.h and tree-stdarg.h.
6784         (alpha_build_builtin_va_list): Initialize va_list_gpr_counter_field.
6785         (va_list_skip_additions, alpha_stdarg_optimize_hook): New functions.
6786         (TARGET_STDARG_OPTIMIZE_HOOK): Define.
6787
6788 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
6789
6790         PR target/20795
6791         * config/i386/i386.c (construct_container): Pass empty aligned
6792         struct, union or class in memory.
6793
6794 2005-04-09  Kazu Hirata  <kazu@cs.umass.edu>
6795
6796         * dominance.c, gthr-win32.h, reg-stack.c, tree-ssa-copy.c,
6797         tree-ssa-operands.c, tree-ssa.c, tree-vrp.c, varasm.c,
6798         config/alpha/alpha.c, config/arm/arm.c, config/m32r/m32r.h,
6799         config/rs6000/predicates.md: Fix comment typos.
6800
6801         * sched-int.h (haifa_insn_data): Remove blockage and units.
6802         (INSN_UNIT, INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK,
6803         ENCODE_BLOCKAGE, UNIT_BLOCKED, BLOCKAGE_RANGE,
6804         MIN_BLOCKAGE_COST, MAX_BLOCKAGE_COST): Remove.
6805
6806 2005-04-09  Jan Hubicka  <jh@suse.cz>
6807             Steven Bosscher  <stevenb@suse.de>
6808
6809         * cfglayout.c (copy_bbs): Rename n_edges to num_edges.
6810         * cfgloop.c (get_loop_exit_edges): Likewise.
6811         * cfgloopmanip.c (fix_irreducible_loops): Likewise.
6812         (unloop): Likewise.
6813         * loop-unroll.c (analyze_insns_in_loop): Likewise.
6814         * tree-cfg.c (dump_cfg_status): Likewise.
6815
6816 2005-04-09  David Edelsohn  <edelsohn@gnu.org>
6817
6818         * config/rs6000/predicates.md (altivec_register_operand): Remove
6819         redundant match_code test.
6820         (gpc_reg_operand): Same.
6821         (cc_reg_operand): Same.
6822         (cc_reg_not_cr0_operand): Same.
6823
6824 2005-04-09  Jan Hubicka  <jh@suse.cz>
6825
6826         Forgotten hunk from my last merge patch:
6827         * final.c (output_addr_const): Do not call mark_referenced.
6828
6829 2005-04-09  Andrew MacLeod  <amacleod@redhat.com>
6830
6831         * doc/tree-ssa.texi: Add immediate use documentation.
6832
6833 2005-04-09  Richard Earnshaw <richard.earnshaw@arm.com>
6834
6835         * arm.c (FL_WBUF): Define.
6836         (arm_tune_strongarm): Renamed from arm_is_strong.  All uses changed.
6837         (arm_is_6_or_7): Delete.
6838         (arm_tune_wbuf): New.
6839         (arm_override_options): Set arm_tune_wbuf.
6840         * arm.h (arm_tune_strongarm): Renamed from arm_is_strong.
6841         (arm_is_6_or_7): Delete declaration.
6842         (arm_tune_wbuf): New declartion.
6843         * arm.md (is_strongarm): Derive from arm_tune_strongarm.
6844         (model_wbuf): Derive from arm_tune_wbuf.
6845         * arm-cores.def (arm600, arm610, arm620, arm700, arm700i, arm710)
6846         (arm720, arm710c, arm7100, arm7500, arm7500fe, arm710t, arm720t)
6847         (arm740t): Mark CPUs as having a write buffer.
6848
6849 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
6850
6851         * config/i386/i386.md (*fp_jcc_7_387): Use 'const0_operand' instead
6852         of 'const_double_operand' in operand 2 constraints.  Update enable
6853         condition.
6854
6855 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
6856
6857         * builtins.def (BUILT_IN_LFLOOR, BUILT_IN_LFLOORF, BUILT_IN_LFLOORL)
6858         (BUILT_IN_LLFLOOR, BUILT_IN_LLFLOORF, BUILT_IN_LLFLOORL): New.
6859         * optabs.h (enum optab_index): Add new OTI_lfloor.
6860         (lfloor_optab): Define corresponding macro.
6861         * optabs.c (init_optabs): Initialize lfloor_optab.
6862         * genopinit.c (optabs): Implement lfloor_optab using lfloorsi2
6863         and lfloordi2 patterns.
6864         * builtins.c (expand_builtin_int_roundingfn): New prototype.
6865         (expand_builtin_int_roundingfn): New function.
6866         (fold_builtin_int_roundingfn): New prototype.
6867         (fold_builtin_int_roundingfn): New function, renamed from
6868         fold_builtin_lround.
6869         Handle BUILT_IN_LROUND{,F,L}, BUILT_IN_LLROUND{,F,L} and
6870         BUILT_IN_LFLOOR{,F,L}, BUILT_IN_LLFLOOR{,F,L}.
6871         (fold_builtin_1): Fold BUILT_IN_LFLOOR{,F,L} and
6872         BUILT_IN_LLFLOOR{,F,L} using fold_builtin_int_roundingfn.
6873         (mathfn_built_in): Handle BUILT_IN LFLOOR and BUILT_IN_LLFLOOR.
6874         (expand_builtin): Expand BUILT_IN_LFLOOR{,F,L} and
6875         BUILT_IN_LLFLOOR{,F,L} using expand_builtin_int_roundingfn.
6876         * convert.c (convert_to_integer): Convert (long int)floor{,f,l},
6877         into lfloor built-in function and (long long int)floor{,f,l} into
6878         llfloor built-in function.
6879         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LFLOOR and
6880         BUILT_IN_LLFLOOR.
6881
6882 2005-04-08  Ian Lance Taylor  <ian@airs.com>
6883
6884         * c-common.def: Move FOR_STMT, WHILE_STMT, DO_STMT, BREAK_STMT,
6885         CONTINUE_STMT, and SWITCH_STMT to cp/cp-tree.def.
6886         * c-common.h (WHILE_COND, WHILE_BODY): Move to cp/cp-tree.h.
6887         (DO_COND, DO_BODY): Likewise.
6888         (FOR_INIT_STMT, FOR_COND, FOR_EXPR, FOR_BODY): Likewise.
6889         (SWITCH_STMT_COND, SWITCH_STMT_BODY, SWITCH_STMT_TYPE): Likewise.
6890         (c_common_stmt_codes): Remove FOR_STMT, WHILE_STMT, DO_STMT,
6891         BREAK_STMT, CONTINUE_STMT, and SWITCH_STMT.
6892         (build_continue_stmt, build_break_stmt): Don't declare.
6893         (c_do_switch_warnings): Update declaration.
6894         * c-gimplify.c (enum bc_t): Remove.
6895         (struct c_gimplify_ctx, ctxp): Remove.
6896         (push_context, pop_context): Remove static functions.
6897         (c_genericize): Don't call push_context or pop_context.
6898         (begin_bc_block, finish_bc_block): Remove static functions.
6899         (build_bc_goto): Likewise.
6900         (gimplify_c_loop): Likewise.
6901         (gimplify_for_stmt, gimplify_while_stmt): Likewise.
6902         (gimplify_do_stmt, gimplify_switch_stmt): Likewise.
6903         (c_gimplify_expr): Remove handling of FOR_STMT, WHILE_STMT,
6904         DO_STMT, SWITCH_STMT, CONTINUE_STMT, BREAK_STMT.
6905         * c-common.c (c_do_switch_warnings): Rename from
6906         c_do_switch_warnings_1.
6907         (c_do_switch_warnings) [old version]: Remove.
6908         (c_do_switch_expr_warnings): Remove.
6909         * c-typeck.c (c_finish_case): Call new c_do_switch_warnings
6910         function instead of c_do_switch_expr_warnings.
6911         * c-dump.c (c_dump_tree): Remove handling of BREAK_STMT,
6912         CONTINUE_STMT, DO_STMT, FOR_STMT, SWITCH_STMT, and WHILE_STMT.
6913         * c-pretty-print.c (pp_c_statement): Likewise.
6914         * c-semantics.c (build_break_stmt, build_continue_stmt): Remove.
6915
6916 2005-04-08  Devang Patel  <dpatel@apple.com>
6917
6918         * tree-if-conv.c (find_phi_replacement_condition): New parameter, loop.
6919         While selecting replacement condition pay attention to loop header.
6920
6921 2005-04-08  Diego Novillo  <dnovillo@redhat.com>
6922
6923         Merge from tree-cleanup-branch: VRP, store CCP, store
6924             copy-prop, incremental SSA updating of FUD chains and
6925             newly exposed symbols.
6926
6927         * Makefile.in (tree-ssa-copy.o): Depend on tree-ssa-propagate.h.
6928         (OBJS-common): Add tree-vrp.o.
6929         (tree-vrp.o): New rule.
6930         * basic-block.h (nearest_common_dominator_for_set): Declare.
6931         * common.opt (ftree-store-ccp): New flag.
6932         (ftree-copy-prop): New flag.
6933         (ftree-vrp): New flag.
6934         (ftree-store-copy-prop): New flag.
6935         * dominance.c (nearest_common_dominator_for_set): New.
6936         * domwalk.c (walk_dominator_tree): Only traverse
6937         statements in blocks marked in walk_data->interesting_blocks.
6938         * domwalk.h (struct dom_walk_data): Add field interesting_blocks.
6939         * fold-const.c (fold): Handle ASSERT_EXPR.
6940         * opts.c (decode_options): Set flag_tree_copy_prop at -O1.
6941         Set flag_tree_store_ccp, flag_tree_store_copy_prop and
6942         flag_tree_vrp at -O2.
6943         * timevar.def (TV_TREE_VRP): Define.
6944         (TV_TREE_COPY_PROP): Define.
6945         (TV_TREE_STORE_COPY_PROP): Define.
6946         (TV_TREE_SSA_INCREMENTAL): Define.
6947         (TV_TREE_STORE_CCP): Define.
6948         * tree-cfg.c (tree_can_merge_blocks_p): Remove reference
6949         to kill_redundant_phi_nodes from comment.
6950         (verify_expr): Handle ASSERT_EXPR.
6951         * tree-dfa.c (mark_new_vars_to_rename): Remove second
6952         argument.  Update all users.
6953         (mark_call_clobbered_vars_to_rename): Remove.  Update all
6954         users.
6955         * tree-flow-inline.h (unmodifiable_var_p): New.
6956         * tree-flow.h (enum value_range_type): Declare.
6957         (struct value_range_def): Declare.
6958         (value_range): Declare.
6959         (remove_all_phi_nodes_for): Remove.  Update all users.
6960         (find_phi_node_for): Declare.
6961         (add_type_alias): Declare.
6962         (count_uses_and_derefs): Declare.
6963         (kill_redundant_phi_nodes): Remove.
6964         (rewrite_into_ssa): Remove.
6965         (rewrite_def_def_chains): Remove.
6966         (update_ssa, register_new_name_mapping, create_new_def_for,
6967         need_ssa_update_p, name_registered_for_update_p,
6968         release_ssa_name_after_update_ssa, dump_repl_tbl,
6969         debug_repl_tbl, dump_names_replaced_by,
6970         debug_names_replaced_by, mark_sym_for_renaming,
6971         mark_set_for_renaming, get_current_def, set_current_def,
6972         get_value_range, dump_value_range, debug_value_range,
6973         dump_all_value_ranges, debug_all_value_ranges,
6974         expr_computes_nonzero, loop_depth_of_name,
6975         unmodifiable_var_p): Declare.
6976         * tree-gimple.c (is_gimple_formal_tmp_rhs): Handle
6977         ASSERT_EXPR.
6978         * tree-into-ssa.c (block_defs_stack): Update comment.
6979         (old_ssa_names, new_ssa_names, old_virtual_ssa_names,
6980         syms_to_rename, names_to_release, repl_tbl,
6981         need_to_initialize_update_ssa_p, need_to_update_vops_p,
6982         need_to_replace_names_p): New locals.
6983         (NAME_SETS_GROWTH_FACTOR): Define.
6984         (struct repl_map_d): Declare.
6985         (struct mark_def_sites_global_data): Add field
6986         interesting_blocks.
6987         (enum rewrite_mode): Declare.
6988         (REGISTER_DEFS_IN_THIS_STMT): Define.
6989         (compute_global_livein): Use last_basic_block instead of
6990         n_basic_blocks.
6991         (set_def_block): Remove last argument.  Update all callers.
6992         (prepare_use_operand_for_rename): Remove.  Update all callers.
6993         (prepare_def_operand_for_rename): Remove.  Update all callers.
6994         (symbol_marked_for_renaming): New.
6995         (is_old_name): New.
6996         (is_new_name): New.
6997         (repl_map_hash): New.
6998         (repl_map_eq): New.
6999         (repl_map_free): New.
7000         (names_replaced_by): New.
7001         (add_to_repl_tbl): New.
7002         (add_new_name_mapping): New.
7003         (mark_def_sites): Assume that all the operands in the
7004         statement are in normal form.
7005         (find_idf): Assert that the block in the stack is valid.
7006         (get_default_def_for): New.
7007         (insert_phi_nodes_for): Add new argument 'update_p'.
7008         Add documentation.
7009         If update_p is true, add a new mapping between the LHS of
7010         each new PHI and the name that it replaces.
7011         (insert_phi_nodes_1): Only call find_idf if needed.
7012         (get_reaching_def): Call get_default_def_for.
7013         (rewrite_operand): Remove.
7014         (rewrite_stmt): Do nothing if REGISTER_DEFS_IN_THIS_STMT
7015         and REWRITE_THIS_STMT are false.
7016         Assume that all the operands in the statement are in
7017         normal form.
7018         (rewrite_add_phi_arguments): Don't use PHI_REWRITTEN.
7019         (rewrite_virtual_phi_arguments): Remove.
7020         (invalidate_name_tags): Remove.
7021         (register_new_update_single, register_new_update_set,
7022         rewrite_update_init_block, replace_use,
7023         rewrite_update_fini_block, rewrite_update_stmt,
7024         rewrite_update_phi_arguments): New.
7025         rewrite_blocks): Remove argument 'fix_virtual_phis'.
7026         Add arguments 'entry', 'what' and 'blocks'.
7027         Initialize the dominator walker according to 'what' and
7028         'blocks'.
7029         Start the dominator walk at 'entry'.
7030         (mark_def_site_blocks): Add argument 'interesting_blocks'.
7031         Use it to configure the dominator walker.
7032         (rewrite_into_ssa): Remove argument 'all'.
7033         Make internal.
7034         (rewrite_all_into_ssa): Remove.
7035         (rewrite_def_def_chains): Remove.
7036         (mark_def_interesting, mark_use_interesting,
7037         prepare_phi_args_for_update, prepare_block_for_update,
7038         prepare_def_site_for, prepare_def_sites,
7039         dump_names_replaced_by, debug_names_replaced_by,
7040         dump_repl_tbl, debug_repl_tbl, init_update_ssa,
7041         delete_update_ssa, create_new_def_for,
7042         register_new_name_mapping, mark_sym_for_renaming,
7043         mark_set_for_renaming, need_ssa_update_p,
7044         name_registered_for_update_p, ssa_names_to_replace,
7045         release_ssa_name_after_update_ssa,
7046         insert_updated_phi_nodes_for, update_ssa): New.
7047         * tree-loop-linear.c (linear_transform_loops): Call
7048         update_ssa instead of rewrite_into_ssa.
7049         * tree-optimize.c (vars_to_rename): Remove.
7050         Update all users.
7051         (init_tree_optimization_passes): Replace
7052         pass_redundant_phi with pass_copy_prop.
7053         Add pass_vrp.
7054         Replace pass_ccp with pass_store_ccp.
7055         Add pass_store_copy_prop after pass_store_ccp.
7056         (execute_todo): If the TODO_ flags don't include updating
7057         the SSA form, assert that it does not need to be updated.
7058         Call update_ssa instead of rewrite_into_ssa and
7059         rewrite_def_def_chains.
7060         If TODO_verify_loops is set, call verify_loop_closed_ssa.
7061         (tree_rest_of_compilation):
7062         * tree-pass.h (TODO_dump_func, TODO_ggc_collect,
7063         TODO_verify_ssa, TODO_verify_flow, TODO_verify_stmts,
7064         TODO_cleanup_cfg): Renumber.
7065         (TODO_verify_loops, TODO_update_ssa,
7066         TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
7067         TODO_update_ssa_only_virtuals): Define.
7068         (pass_copy_prop, pass_store_ccp, pass_store_copy_prop, pass_vrp):
7069         Declare.
7070         * tree-phinodes.c (make_phi_node): Update documentation.
7071         (remove_all_phi_nodes_for): Remove.
7072         (find_phi_node_for): New.
7073         * tree-pretty-print.c (dump_generic_node): Handle ASSERT_EXPR.
7074         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Likewise.
7075         (interpret_rhs_modify_expr): Likewise.
7076         * tree-sra.c (decide_instantiations): Mark all symbols in
7077         SRA_CANDIDATES for renaming.
7078         (mark_all_v_defs_1): Rename from mark_all_v_defs.
7079         (mark_all_v_defs): New function.  Update all users to call it
7080         with the whole list of scalarized statements, not just the
7081         first one.
7082         * tree-ssa-alias.c (count_ptr_derefs): Make extern.
7083         (compute_flow_insensitive_aliasing): If the tag is
7084         unmodifiable and the variable isn't or vice-versa, don't
7085         make them alias of each other.
7086         (setup_pointers_and_addressables): If the type tag for
7087         VAR is about to change, mark the old one for renaming.
7088         (add_type_alias): New.
7089         * tree-ssa-ccp.c: Document SSA-CCP and STORE-CCP.
7090         (ccp_lattice_t): Rename from latticevalue.
7091         (value): Remove.  Update all users.
7092         (const_val): New local variable.
7093         (do_store_ccp): New local variable.
7094         (dump_lattice_value): Handle UNINITIALIZED.
7095         (debug_lattice_value): New.
7096         (get_default_value): Re-write.
7097         (set_lattice_value): Re-write.
7098         (def_to_varying): Remove.  Update all users.
7099         (likely_value): Return VARYING for statements that make
7100         stores when STORE_CCP is false.
7101         Return VARYING for any statement other than MODIFY_EXPR,
7102         COND_EXPR and SWITCH_EXPR.
7103         (ccp_initialize): Re-write.
7104         (replace_uses_in, replace_vuse_in, substitute_and_fold):
7105         Move to tree-ssa-propagate.c.
7106         (ccp_lattice_meet): Handle memory stores when
7107         DO_STORE_CCP is true.
7108         (ccp_visit_phi_node): Likewise.
7109         (ccp_fold): Likewise.
7110         (evaluate_stmt): Likewise.
7111         (visit_assignment): Likewise.
7112         (ccp_visit_stmt): Likewise.
7113         (execute_ssa_ccp): Add argument 'store_ccp'.  Copy it
7114         into DO_STORE_CCP.
7115         (do_ssa_ccp): New.
7116         (pass_ccp): Use it.
7117         (do_ssa_store_ccp): New.
7118         (gate_store_ccp): New.
7119         (pass_store_ccp): Declare.
7120         * tree-ssa-copy.c: Include tree-ssa-propagate.h.
7121         (may_propagate_copy): Reformat.
7122         Don't abort if ORIG is a virtual and DEST isn't.
7123         If NEW does not have alias information but DEST does,
7124         copy it.
7125         (copy_of, cached_last_copy_of, do_store_copy_prop, enum
7126         copy_prop_kind, which_copy_prop): Declare.
7127         (stmt_may_generate_copy, get_copy_of_val,
7128         get_last_copy_of, set_copy_of_val, dump_copy_of,
7129         copy_prop_visit_assignment, copy_prop_visit_cond_stmt,
7130         copy_prop_visit_stmt, copy_prop_visit_phi_node,
7131         init_copy_prop, fini_copy_prop, execute_copy_prop,
7132         gate_copy_prop, do_copy_prop, gate_store_copy_prop,
7133         store_copy_prop): New.
7134         (pass_copy_prop, pass_store_copy_prop): Declare.
7135         * tree-ssa-dom.c (struct opt_stats_d): Add fields
7136         'num_const_prop' and 'num_copy_prop'.
7137         (cprop_operand): Update them.
7138         (dump_dominator_optimization_stats): Dump them.
7139         (tree_ssa_dominator_optimize): Call update_ssa instead of
7140         rewrite_into_ssa.
7141         (loop_depth_of_name): Declare extern.
7142         (simplify_cond_and_lookup_avail_expr): Guard against NULL
7143         values for LOW or HIGH.
7144         (cprop_into_successor_phis): Only propagate if NEW != ORIG.
7145         (record_equivalences_from_stmt): Call expr_computes_nonzero.
7146         (cprop_operand): Only propagate if VAL != OP.
7147         * tree-ssa-dse.c (dse_optimize_stmt): Mark symbols in removed
7148         statement for renaming.
7149         * tree-ssa-loop-im.c (move_computations): Call update_ssa.
7150         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call
7151         add_type_alias if necessary.
7152         Call mark_new_vars_to_rename.
7153         (tree_ssa_iv_optimize): If new symbols need to be renamed,
7154         mark every statement updated, call update_ssa and
7155         rewrite_into_loop_closed_ssa.
7156         * tree-ssa-loop-manip.c (add_exit_phis): Do not remove DEF_BB
7157         from LIVEIN if VAR is a virtual.
7158         * tree-ssa-loop.c (tree_loop_optimizer_init): Call update_ssa.
7159         * tree-ssa-operands.c (get_expr_operands): Handle ASSERT_EXPR.
7160         (get_call_expr_operands): Reformat statement.
7161         (add_stmt_operand): Don't create V_MAY_DEFs for read-only
7162         symbols.
7163         * tree-ssa-propagate.c (ssa_prop_init): Initialize
7164         SSA_NAME_VALUE for every name.
7165         (first_vdef, stmt_makes_single_load, stmt_makes_single_store,
7166         get_value_loaded_by): New.
7167         (replace_uses_in, replace_vuses_in, replace_phi_args_in,
7168         substitute_and_fold): Move from tree-ssa-ccp.c.
7169         * tree-ssa-propagate.h (struct prop_value_d, prop_value_t,
7170         first_vdef, stmt_makes_single_load, stmt_makes_single_store,
7171         get_value_loaded_by, replace_uses_in, substitute_and_fold):
7172         Declare.
7173         * tree-ssa.c (verify_use): Fix error message.
7174         (propagate_into_addr, replace_immediate_uses, get_eq_name,
7175         check_phi_redundancy, kill_redundant_phi_nodes,
7176         pass_redundant_phi): Remove.  Update all users.
7177         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
7178         add_type_alias, if necessary.
7179         * tree-vectorizer.h (struct _stmt_vect_info): Update
7180         documentation for field 'memtag'.
7181         * tree-vrp.c: New file.
7182         * tree.def (ASSERT_EXPR): Define.
7183         * tree.h (ASSERT_EXPR_VAR): Define.
7184         (ASSERT_EXPR_COND): Define.
7185         (SSA_NAME_VALUE_RANGE): Define.
7186         (struct tree_ssa_name): Add field 'value_range'.
7187         (PHI_REWRITTEN): Remove.
7188         (struct tree_phi_node): Remove field 'rewritten'.
7189         * doc/invoke.texi (-fdump-tree-storeccp, -ftree-copy-prop,
7190         -ftree-store-copy-prop): Document.
7191         * doc/tree-ssa.texi: Remove broken link to McCAT's compiler.
7192         Document usage of update_ssa.
7193
7194 2005-04-08  David Edelsohn  <edelsohn@gnu.org>
7195
7196         PR target/20814
7197         * config/rs6000/predicates.md (altivec_register_operand): Accept
7198         SUBREG.
7199         (and64_operand): Do not limit CONST_INT to mask64_operand.
7200         (and64_2_operand): Do not limit CONST_INT to mask64_1or2_operand.
7201         (and_operand): Do not limit CONST_INT to mask_operand.
7202
7203 2005-04-09  Hans-Peter Nilsson  <hp@axis.com>
7204
7205         PR rtl-optimization/20466
7206         * flow.c (invalidate_mems_from_set): Handle a MEM by checking it
7207         for overlap of the address of each list member.
7208         (mark_set_1): Call invalidate_mems_from_set for MEMs too.
7209
7210 2005-04-08  Mike Stump  <mrs@apple.com>
7211
7212         * config/darwin.c (indirect_data): Fix typo in strncmp logic.
7213
7214         * config/rs6000/rs6000.c (rs6000_emit_prologue): Use 5 nops,
7215         instead of 4.
7216
7217 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
7218
7219         * c-tree.h (C_LANG_TREE_NODE_CHAIN_NEXT): Remove.
7220
7221         * function.c (push_function_context_to): Don't set
7222         contains_functions.
7223         * function.h (function): Remove contains_functions.
7224         (current_function_contains_functions): Remove.
7225
7226         * function.h (function): Remove instrument_entry_exit.
7227         (current_function_instrument_entry_exit): Remove.
7228
7229         * function.h (nonlocal_labels): Remove.
7230
7231         * tree.h (STRIP_MAIN_TYPE_NOPS): Remove.
7232
7233         * genattrtab.c (attr_desc): Remove negative_ok and unsigned_p.
7234         (check_attr_value, write_attr_get, write_expr_attr_cache,
7235         find_attr, make_internal_attr): Don't reference negative_ok or
7236         unsigned_p.
7237         * genattrtab.h (ATTR_NEGATIVE_OK, ATTR_UNSIGNED,
7238         ATTR_FUNC_UNITS, ATTR_BLOCKAGE): Remove.
7239         (ATTR_STATIC): Adjust the value.
7240
7241         * c-common.h (C_ARTIFICIAL_STRING_P): Remove.
7242
7243 2005-04-08  Ulrich Weigand  <uweigand@de.ibm.com>
7244
7245         * config/s390/tpf.h (ASM_SPEC): Define.
7246
7247 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
7248
7249         * tree-flow.h: Remove the prototype for
7250         redirect_immediate_uses.
7251         (TDFA_USE_OPS, TDFA_USE_VOPS): Remove.
7252
7253 2005-04-08  Richard Earnshaw  <richard.earnshaw@arm.com>
7254
7255         * arm.c (arm_const_double_by_parts): New function.
7256         * arm-protos.h (arm_const_double_by_parts): Add prototype.
7257         * arm.md (define_split for 64-bit constants): Add another one.
7258
7259 2005-04-08  Andrew MacLeod  <amacleod@redhat.com>
7260
7261         * tree-ssa-operands.c (correct_use_link): Remove linear scan.
7262
7263 2005-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7264
7265         * system.h: Revert last change.
7266
7267 2005-04-08  Richard Sandiford  <rsandifo@redhat.com>
7268
7269         * config/xtensa/xtensa.h (target_flags, MASK_NO_FUSED_MADD)
7270         (MASK_CONST16, TARGET_NO_FUSED_MADD, TARGET_CONST16)
7271         (TARGET_SWITCHES): Delete.
7272         * config/xtensa/xtensa.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
7273         * config/xtensa/xtensa.md (muladdsf3, mulsubsf3): Check
7274         TARGET_FUSED_MADD instead of !TARGET_NO_FUSED_MADD.
7275         * config/xtensa/xtensa.opt: New file.
7276
7277 2005-04-08  Ben Elliston  <bje@au.ibm.com>
7278
7279         * config/fp-bit.c: Include L_mul_tf in #endif comment.
7280         * config/fp-bit.h: Tidy comments.
7281
7282 2005-04-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7283
7284         * system.h: Poison PARAMS.
7285
7286 2005-04-07  Richard Sandiford  <rsandifo@redhat.com>
7287
7288         * config/vax/vax.h (target_flags, MASK_UNIX_ASM, MASK_VAXC_ALIGNMENT)
7289         (MASK_G_FLOAT, TARGET_UNIX_ASM, TARGET_VAXC_ALIGNMENT, TARGET_G_FLOAT)
7290         (TARGET_SWITCHES): Delete.
7291         * config/vax/vax.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
7292         * config/vax/vax.opt: New file.
7293
7294 2005-04-07  Daniel Berlin  <dberlin@dberlin.org>
7295
7296         * tree-ssa-dse.c (dse_optimize_stmt): Fix incorrect comment.
7297
7298 2005-04-07  Ian Lance Taylor  <ian@airs.com>
7299
7300         * config/iq2000/iq2000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Don't
7301         define.
7302         * config/mips/mips.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
7303         * config/sparc/sparc.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE):
7304         Likewise.
7305
7306 2005-04-07  Kazu Hirata  <kazu@cs.umass.edu>
7307
7308         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Consider
7309         all immediate uses in PHI nodes.
7310
7311 2005-04-07  Richard Earnshaw  <richard.earnshaw@arm.com>
7312
7313         * arm.c (arm_const_double_inline_cost): Handle any constant by
7314         using gen_lowpart and gen_highpart_mode.
7315         (note_invalid_constants): All constants in an RTX with a constraint
7316         that permits memory are now pushed to the constant pool.
7317         (output_move_double): Delete code to handle reg to reg and
7318         constant to reg moves.
7319         (const_double_needs_minipool, output_mov_immediate): Delete.
7320         * arm.h (EXTRA_CONSTRAINT_STR_ARM): All 'D' variants now handle
7321         CONST_INT and CONST_VECTOR.
7322         * arm.md (ANY64): New mode macro.
7323         (arm_movdi): Split reg-reg and const-reg moves.  Simplify constraints.
7324         (movdf_soft_insn): Split reg-reg and const-reg moves.
7325         (split patterns for 64-bit constant and register moves): New.
7326         * cirrus.md (cirrus_arm_movdi): Split reg-reg and const-reg moves.
7327         (cirrus_movdf_hard_insn): Likewise.
7328         * fpa.md (movdf_fpa): Likewise.
7329         * iwmmxt.md (iwmmxt_arm_movdi): Likewise.
7330         (movv8qi_internal, movv4hi_internal, movv2si_internal): Fix
7331         constraints.
7332         (movv2si_internal_2): Likewise.
7333         * vfp.md (arm_movdi_vfp): Split reg-reg and const-reg moves.
7334         (movdf_vfp): Likewise.
7335         * arm-protos.h (output_mov_immediate): Delete prototype.
7336
7337 2005-04-07  Joseph S. Myers  <joseph@codesourcery.com>
7338
7339         PR target/20093
7340         * simplify-rtx.c (simplify_unary_operation_1): Check
7341         SUBREG_PROMOTED_UNSIGNED_P (op) > 0 for zero-extension.
7342
7343 2005-04-06  James E Wilson  <wilson@specifixinc.com>
7344
7345         PR target/20717
7346         * cgraphunit.c (record_call_1, case FDESC_EXPR): Handle same as
7347         ADDR_EXPR.
7348
7349 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
7350
7351         * coverage.h (GCOV_TYPE_NODE): Delete.
7352         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref)
7353         (build_ctr_info_type): Use get_gcov_type () instead of GCOV_TYPE_NODE.
7354         * tree-profile.c (tree_gen_edge_profiler, tree_gen_interval_profiler)
7355         (tree_gen_pow2_profiler, tree_gen_one_value_profiler): Likewise.
7356         * value-prof.c (tree_divmod_fixed_value_transform): Delete.
7357
7358 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
7359
7360         PR other/20792
7361         * Makefile.in (gcc.pot): Remove options.c dependency.
7362         * optc-gen.awk: Don't quote help strings with N_().
7363
7364 2005-04-06  James A. Morrison  <phython@gcc.gnu.org>
7365
7366         * c-common.c (handle_malloc_atttribute): Only set DECL_IS_MALLOC if
7367         the function returns a pointer type.
7368
7369 2005-04-06  Daniel Berlin  <dberlin@dberlin.org>
7370
7371         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): New
7372         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): New
7373         * doc/invoke.texi: Documnet salias-max-implicit-fields.
7374         * tree-ssa-alias.c (struct used_part): Add implicit_uses and
7375         explicit_uses members.
7376         (get_or_create_used_part_for): Initialize new fields.
7377         (fieldoff_compare): New function.
7378         (create_overlap_variables_for): Count number of fields, use
7379         heuristic to determine whether to create subvars for vars with
7380         only implicit uses.
7381         Sort the field list by offset and avoid creating duplicate SFT's.
7382
7383 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
7384
7385         * c.opt (-F): Remove trailing whitespace from help string.
7386         (-finput-charset): Use a tab to separate the switch name and help
7387         string.
7388         * common.opt (-fsched-stalled-insns, -fsched-stalled-insns-dep)
7389         (-ftree-vectorizer-verbose): Likewise.
7390
7391 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
7392
7393         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Look at
7394         a PHI argument where a use occurs instead of all PHI arguments.
7395
7396 2005-04-06  Joseph S. Myers  <joseph@codesourcery.com>
7397
7398         * c-decl.c (finish_decl): Apply pending #pragma weak regardless of
7399         scope.
7400
7401 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
7402
7403         * cse.c, tree-flow-inline.h, tree-flow.h, tree-ssa-operands.c,
7404         tree-ssa-sink.c, tree.h, config/bfin/bfin.c,
7405         config/bfin/bfin.h: Fix comment typos.
7406
7407 2005-04-06  Ranjit Mathew  <rmathew@hotmail.com>
7408
7409         * doc/install.texi: Update the URL for Jacks.
7410         * doc/sourcebuild.texi: Likewise.
7411
7412 2005-04-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
7413
7414         PR target/17245
7415         * config/sparc/sparc.c (legitimate_address_p): Remove 'imm2'.
7416         Revert 2004-10-08 patch.  Reject TFmode LO_SUM in 32-bit mode.
7417
7418 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
7419
7420         * Makefile.in (LIBGCC2_CFLAGS): Revert -pipe change.
7421
7422 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
7423
7424         * config/v850/v850-protos.h (override_options): Delete.
7425         * config/v850/v850.h (target_flags, MASK_GHS, MASK_LONG_CALLS, MASK_EP)
7426         (MASK_PROLOG_FUNCTION, MASK_DEBUG, MASK_V850, MASK_V850E)
7427         (MASK_SMALL_SLD, MASK_BIG_SWITCH, MASK_NO_APP_REGS, MASK_DISABLE_CALLT)
7428         (MASK_STRICT_ALIGN, MASK_US_BIT_SET, MASK_US_MASK_SET, TARGET_GHS)
7429         (TARGET_LONG_CALLS, TARGET_EP, TARGET_PROLOG_FUNCTION, TARGET_V850)
7430         (TARGET_BIG_SWITCH, TARGET_DEBUG, TARGET_V850E, TARGET_US_BIT_SET)
7431         (TARGET_SMALL_SLD, TARGET_DISABLE_CALLT, TARGET_NO_APP_REGS)
7432         (TARGET_STRICT_ALIGN, TARGET_SWITCHES, TARGET_OPTIONS)
7433         (OVERRIDE_OPTIONS): Delete.
7434         (MASK_CPU): Redefine as MASK_V850 | MASK_V850E.
7435         (small_memory_info): Remove the value field.
7436         (CONDITIONAL_REGISTER_USAGE): Check !TARGET_APP_REGS rather than
7437         TARGET_NO_APP_REGS.
7438         * config/v850/v850.c (small_memory): Remove the value field.
7439         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
7440         (override_options): Delete.
7441         (v850_handle_memory_option, v850_handle_option): New functions.
7442         * config/v850/v850.opt: New file.
7443
7444 2005-04-06  Geoffrey Keating  <geoffk@apple.com>
7445
7446         * config.host: Add a section for generic hosts, and a subsection
7447         for Darwin.  Add a case for x86-darwin.  Update ppc-darwin case.
7448         * config/host-darwin.c: New, split out of config/rs6000/host-darwin.c.
7449         * config/host-darwin.h: New.
7450         * config/x-darwin: New.
7451         * config/i386/host-i386-darwin.c: New.
7452         * config/i386/x-darwin: New.
7453         * config/rs6000/host-darwin.c: Include host-darwin.h.
7454         (darwin_rs6000_gt_pch_get_address): Move to config/host-darwin.c.
7455         (darwin_rs6000_gt_pch_use_address): Likewise.
7456         * config/rs6000/x-darwin: Change name of .o built, update
7457         dependencies for changes to rs6000/host-darwin.c.
7458
7459 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
7460
7461         PR target/17824
7462         * config/c4x/c4x.h (ASM_PROG, LD_PROG): Remove.
7463
7464 2005-04-06  Dorit Naishlos  <dorit@il.ibm.com>
7465
7466         * tree-vect-analyze.c (vect_analyze_loop_form): Call
7467         split_loop_exit_edge instead of loop_split_edge_with.
7468
7469 2005-04-06  Paolo Bonzini  <bonzini@gnu.org>
7470
7471         * config/rs6000/altivec.md (UNSPEC_VSLW, UNSPEC_SUBS,
7472         UNSPEC_SET_VSCR): New constants, used throughout.
7473         (*andc3_v4sf): New.
7474         (altivec_vspltisb, altivec_vsplitish, altivec_vsplitisw):
7475         Replace with...
7476         (altivec_vspltis<VI_char>): ... this pattern, using
7477         a QImode const_int_operand for the immediate.
7478         (abs<mode>2, absv4sf2, altivec_abss_<mode>): Rewrite as
7479         define_expands.
7480
7481 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
7482
7483         PR target/17822
7484         * config/avr/t-avr (AR_FOR_TARGET,RANLIB_FOR_TARGET): Remove.
7485
7486 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
7487
7488         * Makefile.in (LIBGCC2_CFLAGS): Compile with -pipe.
7489
7490 2005-04-06  Ben Elliston  <bje@au.ibm.com>
7491
7492         * gcc.c: Correct comment about DEFAULT_SWITCH_TAKES_ARG and
7493         DEFAULT_WORD_SWITCH_TAKES_ARG which incorrectly reported these
7494         macros as living in "this file" and not gcc.h.
7495
7496 2005-04-06  Ben Elliston  <bje@au.ibm.com>
7497
7498         * doc/invoke.texi (Optimize Options): Mention -ftree-lrs, not
7499         -ftree-live_range_split.  Perhaps renamed at some point?
7500
7501 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
7502
7503         PR target/20625
7504         * tree-ssa-loop-ivopts.c (generic_type_for): New function.
7505         (add_candidate_1): Use generic_type_for instead of unsigned_type_for.
7506
7507 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
7508
7509         * tree-flow.h (number_of_iterations_cond): Declaration removed.
7510         * tree-ssa-loop-niter.c (number_of_iterations_cond): Made static.
7511         (number_of_iterations_special): New function.
7512         (number_of_iterations_exit): Use number_of_iterations_special.
7513         Use simplify_using_outer_evolutions only at -O3.
7514         (number_of_iterations_cond, tree_simplify_using_condition,
7515         simplify_using_initial_conditions, loop_niter_by_eval,
7516         compare_trees, can_count_iv_in_wider_type_bound,
7517         simplify_using_outer_evolutions): Use fold_build.
7518
7519 2005-04-05  Thomas Fitzsimmons  <fitzsim@redhat.com>
7520
7521         * doc/install.texi (Configuration): Document --with-java-home.
7522
7523 2005-04-05  Richard Henderson  <rth@redhat.com>
7524
7525         PR target/20342
7526         PR target/20447
7527         * config/i386/i386.c (print_operand): Handle vector zeros.
7528         (ix86_split_to_parts): Handle CONST_VECTOR.
7529         (ix86_hard_regno_mode_ok): Allow MMX modes in general regs.
7530         (ix86_modes_tieable_p): Use ix86_hard_regno_mode_ok to decide
7531         what modes to tie for MMX and SSE registers.
7532         * config/i386/i386.h (MMX_REG_MODE_P): Remove.
7533         * config/i386/i386.md: Extend move 0 -> xor peephole to apply
7534         to vector modes as well.
7535         * config/i386/predicates.md (const0_operand): Handle VOIDmode
7536         properly as an input mode.
7537
7538 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
7539
7540         * tree-ssa-operands.c (verify_abort): Use %p for pointers.
7541
7542 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
7543
7544         * tree-pretty-print.c (dump_generic_node): Use %p for pointer.
7545
7546 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
7547
7548         * config/i386/i386.c (init_cumulative_args): For -m32 -mfpmath=sse
7549         and local functions, set sse_nregs to 8 and float_in_sse.
7550         (function_arg_advance, function_arg): If float_in_sse, pass
7551         SFmode and DFmode arguments in SSE registers.
7552         * config/i386/i386.h (CUMULATIVE_ARGS): Add float_in_sse field.
7553
7554         * config/i386/i386.c (ix86_value_regno): Only optimize local functions
7555         of -funit-at-a-time.
7556
7557 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
7558
7559         * config/i386/i386-protos.h (ix86_function_value): Accept two
7560         arguments, like the target macro.
7561         * config/i386/i386.h (FUNCTION_VALUE): Pass both arguments.
7562         * config/i386/i386.c (ix86_function_value): Accept the second
7563         argument of the target macro.
7564         (ix86_function_ok_for_sibcall): Pass a function pointer to
7565         ix86_function_value.
7566         (ix86_function_value, ix86_libcall_value) [!TARGET_64BIT]: Adjust
7567         call to ix86_value_regno).
7568         (ix86_value_regno): Add support for returning floating point values
7569         in SSE registers.
7570
7571 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
7572
7573         PR tree-optimization/20076
7574         * tree-inline.c (inline_forbidden_p_1): Prevent inlining functions
7575         that call __builtin_return or __builtin_apply_args.
7576
7577 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
7578
7579         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use update_stmt.
7580         Use immediate use iterator.
7581         (stmt_is_bumper_for_loop): Use immediate use iterator.
7582         * predict.c (strip_builtin_expect): Use update_stmt.
7583         * tree-cfg.c (update_modified_stmts): New. Call update_stmt_if_modified
7584         on all elements of a STATEMENT_LIST.
7585         (bsi_insert_before, bsi_insert_after): Call update_modified_stmts.
7586         (bsi_remove): Remove imm_use links and mark the stmt as modified.
7587         (bsi_replace): Mark stmt as modified and the update it.
7588         * tree-complex.c (update_complex_assignment): Call mark_stmt_modified.
7589         (expand_complex_libcal): Call update_stmt.
7590         (expand_complex_comparison): Call mark_stmt_modified.
7591         (expand_complex_operations_1): Call update_stmt_if_modified.
7592         (expand_vector_operations_1): Call mark_stmt_modified.
7593         * tree-dfa.c (compute_immediate_uses, free_df_for_stmt, free_df,
7594         compute_immediate_uses_for_phi, compute_immediate_uses_for_stmt,
7595         add_immediate_use, redirect_immediate_use,
7596         redirect_immediate_uses, dump_immediate_uses, debug_immediate_uses,
7597         dump_immediate_uses_for, debug_immediate_uses_for): Delete.
7598         (mark_new_vars_to_rename): Call update_stmt.
7599         * tree-dump.c (dump_option_value_in): Add "stmtaddr".
7600         * tree-flow-inline.h (modify_stmt): Rename to mark_stmt_modified.
7601         Ignore PHI nodes.
7602         (unmodify_stmt): Delete.
7603         (update_stmt): New.  Force an update of a stmt.
7604         (update_stmt_if_modified): update a stmt if it is out of date.
7605         (get_stmt_operands): Verify stmt is NOT modified.
7606         (stmt_modified_p): Update comment.
7607         (delink_imm_use): Remove a use node from its immuse list.
7608         (link_imm_use_to_list): Link a use node to a specific list.
7609         (link_imm_use): Link a node to the correct list.
7610         (set_ssa_use_from_ptr): Set a use node to a specific value, and insert
7611         it in the correct list, if appropriate.
7612         (link_imm_use_stmt): Link a use node, and set the stmt pointer.
7613         (relink_imm_use): Link a use node in place of another node in a list.
7614         (relink_imm_use_stmt): LInk a node in place of another node, and set
7615         the stmt pointer.
7616         (end_safe_imm_use_traverse): New.  Terminate a safe immuse iterator.
7617         (end_safe_imm_use_p): New.  Check for the end of a safe immuse iterator.
7618         (first_safe_imm_use): New.  Initialize a safe immuse iterator.
7619         (next_safe_imm_use): New.  Proceed to next safe immuse iterator value.
7620         (end_readonly_imm_use_p): New.  Check for end of a fast immuse iterator.
7621         (first_readonly_imm_use): New.  Initialize a fast immuse iterator.
7622         (next_readonly_imm_use): New.  Get the next fast immuse iterator value.
7623         (has_zero_uses): New.  Return true if there are no uses of a var.
7624         (has_single_use): New.  Return true if there is only a single use of a
7625         variable.
7626         (single_imm_use): New.  Return the simgle immediate use.
7627         (num_imm_uses): New.  Return the number of immediate uses.
7628         (get_v_must_def_ops): Use is now a pointer.
7629         (use_operand_p, get_v_may_def_op_ptr, get_vuse_op_ptr,
7630         get_v_must_def_kill_ptr, get_phi_arg_def_ptr): Return the address of
7631         the use node.
7632         (get_immediate_uses, num_immediate_uses, immediate_use): Delete.
7633         (delink_stmt_imm_use): Delink all immuses from a stmt.
7634         (phi_arg_index_from_use): New.  Return a phi arg index for a use.
7635         * tree-flow.h (struct dataflow_d): Delete.
7636         (immediate_use_iterator_d): New.  Immediate use iterator struct.
7637         (FOR_EACH_IMM_USE_FAST): New.  Macro for read only immuse iteration.
7638         (FOR_EACH_IMM_USE_SAFE): New.  Macro for write-safe immuse iteration.
7639         (BREAK_FROM_SAFE_IMM_USE): New.  Macro for earlyu exit from write-safe
7640         iteration.
7641         (struct stmt_ann_d): Remove dataflow_t from struct.
7642         * tree-if-conv.c (tree_if_conversion).  Don't call free_df.
7643         (if_convertible_phi_p): Use FAST immuse iterator.
7644         (if_convertible_loop_p): Don't call compute_immediate_uses.
7645         (replace_phi_with_cond_modify_expr): Call update_stmt.
7646         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites): Call
7647         update_stmt_if_modified.
7648         (rewrite_all_into_ssa): Initialize ssa operands.
7649         * tree-loop-linear.c (linear_transform_loops): Don't call free_df or
7650         compute_immediate_uses.
7651         * tree-optimize.c (execute_todo): Call verify_ssa whenever the
7652         ssa_property is available.
7653         (execute_one_pass):  Change parameters passed to execute_todo.
7654         * tree-outof-ssa.c (rewrite_trees): Don't call modify_stmt.
7655         (remove_ssa_form): Call fini_ssa_operands.
7656         (insert_backedge_copies): Delete call to modify_stmt.
7657         * tree-phinodes.c (make_phi_node): Initialize use nodes.
7658         (release_phi_node): Delink any use nodes before releasing.
7659         (resize_phi_node): Relink any use nodes.
7660         (remove_phi_arg_num): Delink the use node.
7661         (remove_phi_node): Release the ssa_name AFTER releasing the phi node.
7662         (remove_all_phi_nodes_for): Release phi node first.
7663         * tree-pretty-print.c (dump_generic_node): Print stmt address.
7664         * tree-sra.c (mark_all_v_defs): Call update_stmt_if_modified.
7665         (scalarize_use, scalarize_copy): Call update_stmt.
7666         * tree-ssa-alias.c (compute_may_aliases): Update all modified stmts.
7667         (compute_points_to_and_addr_escape): Call mark_stmt_modified.
7668         * tree-ssa-cpp.c (need_imm_uses_for): Delete.
7669         (ccp_initialize): Remove call to compute_immediate_uses.
7670         (substitute_and_fold, execute_fold_all_builtins): Call update_stmt.
7671         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update all modified
7672         stmts.
7673         (simplify_cond_and_lookup_avail_expr): Call mark_stmt_modified.
7674         (simplify_switch_and_lookup_avail_expr): Call mark_stmt_modified.
7675         (eliminate_redundant_computations): Call mark_stmt_modified.
7676         (cprop_operand): Call mark_stmt_modified.
7677         (optimize_stmt): Call update_stmt_if_modified and mark_stmt_modified.
7678         * tree-ssa-dse.c (fix_phi_uses, fix_stmt_v_may_defs): Delete.
7679         (dse_optimize_stmt): Use new immuse interface.
7680         (tree_ssa_dse): Remove calls to compute_immediate_uses and free_df.
7681         * tree-ssa-forwprop.c (need_imm_uses_for): Delete.
7682         (substitute_single_use_vars): Use new immuse interface.
7683         (tree_ssa_forward_propagate_single_use_vars): Remove calls to free_df
7684         and compute_immediate_uses.
7685         * tree-ssa-loop-im.c (single_reachable_address): Use new immuse
7686         interface.
7687         (rewrite_mem_refs): Call update_stmt.
7688         (determine_lsm): Remove call to compute_imm_uses and free_df.
7689         * tree-ssa-loop-ivcanon.c (create_canonical_iv): Call update_stmt.
7690         (try_unroll_loop_completely): Call update_stmt.
7691         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call update_stmt.
7692         (rewrite_use_compare): Call update_stmt.
7693         (compute_phi_arg_on_exit): Insert each stmt before trying to process.
7694         (rewrite_use) : Call update_stmt.
7695         * tree-ssa-loop-manip.c (verify_loop_closed_ssa): Add arg to call.
7696         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Call
7697         update_stmt.
7698         * tree-ssa-operands.c (NULL_USE_OPERAND_P): Remove declaration.
7699         (allocate_use_optype, allocate_vuse_optype): Adjust allocation size.
7700         (free_uses, free_vuses, free_v_may_defs, free_v_must_defs): Delink
7701         use nodes.
7702         (initialize_vuse_operand): New.  Initialize a vuse operand.
7703         (initialize_v_may_def_operand): New.  Initialize a maydef operand.
7704         (initialize_v_must_def_operand): New.  Initialize a mustdef operand.
7705         (finalize_ssa_defs): Use stmt parameter.
7706         (correct_use_link): Ensure a use node is in the correct list, and has
7707         the correct stmt pointer.
7708         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_vuses,
7709         finalize_ssa_v_must_defs): Also initialize use nodes.
7710         (finalize_ssa_stmt_operands): Pass extra stmt operands.
7711         (build_ssa_operands): Seperate parsing from final operand construction.
7712         (parse_ssa_operands): New.  Parse entry point for operand building.
7713         (swap_tree_operands): New.  Swap 2 tree operands.
7714         (update_stmt_operands): Ranamed from get_stmt_operands.  Always builds
7715         operands.
7716         (get_expr_operands): Call swap_tree_operands when needed.
7717         (copy_virtual_operands): Use initialize routines for virtual use ops.
7718         (create_ssa_artficial_load_stmt): Add extra stmt parameter.
7719         (verify_abort): New.  Issue imm_use error.
7720         (verify_imm_links): New Verify imm_use links for a var.
7721         (dump_immediate_uses_for): New.  Dump imm_uses for a var to file.
7722         (dump_immediate_uses): New.  Dump imm_uses for all vars to file.
7723         (debug_immediate_uses): New.  Dump imm_uses for all vars to stderr.
7724         (debug_immediate_uses_for): New.  Dump imm_uses for a var to stderr.
7725         * tree-ssa-operands.h (struct use_operand_ptr): Delete.
7726         (NULL_USE_OPERAND_P) Define.
7727         (use_optype_d, v_def_use_operand_type, vuse_optype_d): Add immediate
7728         use node.
7729         (struct vuse_operand_type): New struct.
7730         (SET_USE): Call set_ssa_use_from_ptr.
7731         (USE_STMT): Define.
7732         (PHI_ARG_INDEX_FROM_USE): Define.
7733         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Set the phi
7734         argument via SET_USE, not PHI_ARG_DEF_TREE.
7735         * tree-ssa-pre.c (eliminate): Call update_stmt.
7736         * tree-ssa-propagate.c (cfg_blocks_get): Use imm_use iterators.  Don't
7737         call free_df.
7738         * tree-ssa-sink.c (all_immediate_uses_same_place): Use imm_use iterator.
7739         (nearest_common_dominator_of_uses): Use imm_use iterator.
7740         (statement_sink_location): Use imm_use iterator and interface.
7741         (execute_sink_code): Don't call compute_immediate_uses or free-df.
7742         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis): Use
7743         PHI_ARG_DEF, not PHI_ARG_DEF_TREE.
7744         * tree-ssa.c (verify_use, verify_phi_args): Verify some imm_use info.
7745         (verify_ssa): Ensure no stmt is marked modify after optimization pass
7746         if new parameter is true.
7747         (init_tree_ssa): Don't initialize operand cache here.
7748         (delete_tree_ssa): Don't destroy operand cache here.
7749         (propagate_into_addr): Pass in a use pointer, return true if anything
7750         was changed.
7751         (replace_immediate_uses): Use imm_use iterator, call update_stmt.
7752         (check_phi_redundancy): Use imm_use iterator.
7753         (kill_redundant_phi_nodes): Don't call compute_immediate_uses or
7754         free_df.
7755         * tree-ssanames.c (make_ssa_name): Initialize imm_use node.
7756         (release_ssa_name): Delink node and all elements in its imm_use list.
7757         * tree-tailcall.c (adjust_return_value): Call update_stmt.
7758         * tree-vect-analyze.c (vect_stmt_relevant_p): Use imm_use iterator.
7759         * tree-vectorizer.c (need_imm_uses_for): Delete.
7760         (vectorize_loops): Dont call compute_immediate_uses or free_df.
7761         * tree.h (struct ssa_imm_use_d): Define.
7762         (SSA_NAME_IMM_USE_NODE): Define.
7763         (struct tree_ssa_name): Add imm_use node.
7764         (PHI_DF): Delete.
7765         (PHI_ARG_IMM_USE_NODE): Define.
7766         (struct phi_arg_d): Add imm_use node.
7767         (struct tree_phi_node): Remove struct dataflow_d element.
7768         (TDF_STMTADDR): Define.
7769
7770 2005-04-05  Dale Johannesen  <dalej@apple.com>
7771
7772         * doc/invoke.texi (Optimization Options):  Remove
7773         duplicate -fcse-follow-jumps.  Add -fweb.
7774         (-ftree-lim):  Fix spelling (-ftree-loop-im, invariants).
7775         (-fivcanon):  Fix spelling (-ftree-loop-ivcanon).
7776
7777 2005-04-05  Per Bothner  <per@bothner.com>
7778
7779         * tree-ssa.c (execute_early_warn_uninitialized): Pass context node
7780         to talk_tree as 'data' parameter, rather than EXPR_LOCUS.
7781         (warn_uninit): Get EXPR_LOCUS from context now instead.
7782         This fixes a USE_MAPPED_LOCATION testsuite failure.
7783
7784         * tree-ssa.c (warn_uninitialized_var): Remove useless local.
7785
7786 2005-04-05  Per Bothner  <per@bothner.com>
7787
7788         * c-decl.c (finish_function): If USE_MAPPED_LOCATION set the location
7789         of the artification 'return 0' in main() to BUILTINS_LOCATION.
7790         * tree-cfg.c (remove_bb): Check that location isn't BUILTINS_LOCATION
7791         before warning.
7792
7793 2004-04-05  Devang Patel  <dpatel@apple.com>
7794
7795         * config/rs600/altivec.md (altivec_vsr<VI_char>): Rename to ..
7796         (lhsr<mode>3): ... new name.
7797         (altivec_vsra<VI_char>): Rename to ..
7798         (ashr<mode>3): ... new name.
7799         * config/rs6000/rs6000.c (builtin_description): Rename shift
7800         operations.
7801
7802 2004-04-05  Paolo Bonzini  <bonzini@gnu.org>
7803
7804         * combine.c (RTL_HOOKS_GEN_LOWPART_NO_EMIT): Use
7805         gen_lowpart_for_combine.
7806         * cse.c (gen_lowpart_if_possible): Move...
7807         * rtlhooks.c (gen_lowpart_if_possible): ... here.  Also try
7808         gen_lowpart_SUBREG.
7809         (gen_lowpart_no_emit_general): Use it.
7810
7811 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
7812
7813         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Undefine before
7814         overriding.
7815
7816 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
7817
7818         * system.h: Fix typo.
7819
7820 2005-04-05  Bernd Schmidt  <bernd.schmidt@analog.com>
7821
7822         * config/bfin/bfin-modes.def: New file.
7823         * config/bfin/bfin-protos.h: New file.
7824         * config/bfin/bfin.c: New file.
7825         * config/bfin/bfin.h: New file.
7826         * config/bfin/bfin.md: New file.
7827         * config/bfin/bfin.opt: New file.
7828         * config/bfin/crti.s: New file.
7829         * config/bfin/crtn.s: New file.
7830         * config/bfin/elf.h: New file.
7831         * config/bfin/lib1funcs.asm: New file.
7832         * config/bfin/predicates.md: New file.
7833         * config/bfin/t-bfin: New file.
7834         * config/bfin/t-bfin-elf: New file.
7835         * doc/extend.texi (exception_handler, kspisusp, nesting, nmi_handler):
7836         Document new attributes.
7837         (interrupt, interrupt_handler, saveall): Update documentation for
7838         these attributes.
7839         * doc/install.texi (Specific): Add entry for the Blackfin.
7840         * doc/invoke.texi (Blackfin Options): New section.
7841         * doc/md.texi (Blackfin family): New section to document constraints.
7842         * config.gcc: Add bfin*-* and bfin*-elf configurations.
7843
7844 2005-04-05  Olivier Hainque  <hainque@adacore.com>
7845
7846         * config/mips/iris6.h (DWARF_FRAME_RETURN_COLUMN): Redefine to
7847         match what the system unwinder expects.
7848         * config/mips/mips.c (mips_frame_set): If we're saving the return
7849         address register and the dwarf return address column number differs
7850         from the hard register number, adjust the note reg to refer to the
7851         former.
7852
7853 2004-04-05  Richard Sandiford  <rsandifo@redhat.com>
7854
7855         * config/mn10300/mn10300-protos.h (mn10300_override_options): Declare.
7856         * config/mn10300/mn10300.h (target_flags, TARGET_MULT_BUG)
7857         (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
7858         (processor_type): New enum.
7859         (mn10300_processor): New variable.
7860         (TARGET_AM33, TARGET_AM33_2): Redefine in terms of mn10300_processor.
7861         (PROCESSOR_DEFAULT, OVERRIDE_OPTIONS): New macros.
7862         * config/mn10300/linux.h (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
7863         (PROCESSOR_DEFAULT): New macro.
7864         * config/mn10300/mn10300.c (mn10300_processor): New variable.
7865         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
7866         (mn10300_handle_option, mn10300_override_options): New functions.
7867         * config/mn10300/mn10300.opt: New file.
7868
7869 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
7870             Sebastian Pop <sebastian.pop@cri.ensmp.fr>
7871
7872         PR tree-optimization/19903
7873         * tree-chrec.c (chrec_convert): Return chrec_dont_know for constants
7874         that don't fit in their type after conversion.
7875
7876 2005-04-05  Uros Bizjak <uros@kss-loka.si>
7877
7878         PR target/20421
7879         * config/i386/i386.md (frndintxf2_floor, frndintxf2_ceil)
7880         (frndintxf2_trunc, frndintxf2_mask_pm): Add FLAGS_REG clobber.
7881         Allocate local stack slots here.  Set ix86_optimize_mode_switching.
7882         flag here. Implement using define_insn_and_split.
7883         (frndintxf2_floor_i387, frndintxf2_ceil_i387, frndintxf2_trunc_i387)
7884         (frndintxf2_mask_pm_i387): New insn patterns.
7885         (floorsf2, floordf2, floorxf2): Remove local stack slot allocations.
7886         Do not set ix86_optimize_mode_switching flag.
7887         (ceilsf2, ceildf2, ceilxf2): Same.
7888         (btruncsf2, btruncdf2, btruncxf2): Same.
7889         (nearbyintsf2, nearbyintdf2, nearbyintxf2): Same.
7890
7891 2005-04-05  Ian Lance Taylor  <ian@airs.com>
7892
7893         PR debug/9963
7894         * config/i386/cygming.h (ASM_OUTPUT_EXTERNAL): Pass DECL to
7895         i386_pe_record_external_function.
7896         (i386_pe_record_external_function): Update declaration.
7897         * config/i386/winnt.c (struct extern_list): Add decl field.
7898         (i386_pe_record_external_function): Add decl parameter.
7899         (i386_pe_file_end): Check TREE_ASM_WRITTEN on decl, not
7900         identifier.
7901         * config/i386/i386-protos.h (i386_pe_record_external_function):
7902         Update declaration.
7903
7904 2005-04-05  Kazu Hirata  <kazu@cs.umass.edu>
7905
7906         * config/m68k/m68k-protos.h: Add a prototype for
7907         valid_dbcc_comparison_p_2.
7908         * config/m68k/m68k.c (not_sp_operand, symbolic_operand,
7909         extend_operator, const_uint32_operand, const_sint32_operand,
7910         general_src_operand, nonimmediate_src_operand,
7911         memory_src_operand, post_inc_operand, pre_dec_operand,
7912         pcrel_address): Move to predicates to predicates.md.
7913         * config/m68k/m68k.h (PREDICATE_CODES): Remove.
7914         * config/m68k/m68k.md: Include predicates.md.
7915         * config/m68k/predicates.md: New.
7916
7917 2005-04-04  Roger Sayle  <roger@eyesopen.com>
7918
7919         * config/i386/i386.md (*truncdfsf2_i387_1): New pattern.
7920
7921         * fold-const.c (maybe_lvalue_p): Delete orphaned comment.
7922
7923 2005-04-04  Ian Lance Taylor  <ian@airs.com>
7924
7925         * c-typeck.c (struct c_switch): Rename switch_stmt field to
7926         switch_expr.
7927         (c_start_case): Build SWITCH_EXPR, not SWITCH_STMT.
7928         (do_case): Use SWITCH_COND rather than SWITCH_STMT_COND.
7929         (c_finish_case): Use SWITCH_BODY rather than SWITCH_STMT_BODY.
7930         Call c_do_switch_expr_warnings rather than c_do_switch_warnings.
7931         * c-common.c (c_do_switch_warnings_1): New static function broken
7932         out of c_do_switch_warnings.
7933         (c_do_switch_warnings): Call c_do_switch_warnings_1.
7934         (c_do_switch_expr_warnings): New function.
7935         * c-common.h (c_do_switch_expr_warnings): Declare.
7936
7937 2005-04-04  David Edelsohn  <edelsohn@gnu.org>
7938             Daniel Jacobowitz  <dan@codesourcery.com>
7939
7940         * tree-eh.c (tree_could_trap_p): Allow non-constant floating point
7941         trapping divide.
7942         * rtlanal.c (may_trap_p): Same.
7943
7944 2005-04-04  Dale Johannesen  <dalej@apple.com>
7945
7946         * ChangeLog:  remove reference to ChangeLog.12.
7947
7948 2005-04-05  Hans-Peter Nilsson  <hp@axis.com>
7949
7950         CRIS epilogue as RTL.
7951         * config/cris/cris.md: Change all 0 in unspec 0 to
7952         CRIS_UNSPEC_PLT.
7953         (CRIS_UNSPEC_PLT, CRIS_UNSPEC_FRAME_DEALLOC): New constants.
7954         ("*cris_load_multiple", "cris_frame_deallocated_barrier"): New
7955         patterns.
7956         ("return"): Change to define_expand.  Call cris_expand_return for
7957         actual expansion.
7958         ("*return_expanded"): New pattern.
7959         ("epilogue"): New define_expand.
7960         * config/cris/cris.h (PREDICATE_CODES): Add
7961         cris_load_multiple_op.
7962         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Correct test for unspec
7963         type.
7964         (enum cris_retinsn_type): New.
7965         (struct machine_function): New member return_type.
7966         (TARGET_ASM_FUNCTION_EPILOGUE): Don't override.
7967         (cris_target_asm_function_epilogue): Remove, moving RTLified
7968         contents to...
7969         (cris_expand_epilogue): New function.
7970         (cris_reg_saved_in_regsave_area, cris_movem_load_rest_p,
7971         (cris_gen_movem_load, cris_load_multiple_op)
7972         (cris_return_address_on_stack_for_return, cris_expand_return): New
7973         functions.
7974         (cris_target_asm_function_prologue)
7975         (cris_initial_frame_pointer_offset): Call
7976         cris_reg_saved_in_regsave_area instead of complicated expression.
7977         Call cris_return_address_on_stack instead of an expression.
7978         (cris_print_operand) <case 'o', case 'O'>: New cases.
7979         (cris_return_address_on_stack): Change return-type to bool.
7980         (cris_simple_epilogue): Ditto.  Return false if registers are
7981         saved.
7982         * config/cris/cris-protos.h (cris_simple_epilogue)
7983         (cris_return_address_on_stack): Adjust prototype return type.
7984         (cris_gen_movem_load, cris_expand_epilogue, cris_expand_return)
7985         (cris_return_address_on_stack_for_return): New prototypes.
7986
7987 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
7988
7989         * config/frv/frv.h (PREDICATE_CODES): Add CONST to
7990         gpr_or_int12_operand.
7991
7992         * config/frv/frv-protos.h: Add a prototype to
7993         frv_legitimate_memory_operand and frv_const_unspec_p.
7994         (frv_unspec): Move from frv.c.
7995         * config/frv/frv.c (frv_unspec): Move to frv-protos.h.
7996         (frv_const_unspec_p, frv_legitimate_memory_operand_): Export.
7997         (ldd_address_operand, fdpic_fptr_operand, frv_load_operand,
7998         gpr_or_fpr_operand, gpr_or_int12_operand,
7999         gpr_fpr_or_int12_operand, fpr_or_int6_operand,
8000         gpr_or_int10_operand, gpr_or_int_operand, int12_operand,
8001         int6_operand, int5_operand, uint5_operand, uint4_operand,
8002         uint1_operand, int_2word_operand, uint16_operand,
8003         upper_int16_operand, integer_register_operand,
8004         gpr_no_subreg_operand, fpr_operand, even_reg_operand,
8005         odd_reg_operand, even_gpr_operand, odd_gpr_operand,
8006         quad_fpr_operand, even_fpr_operand, odd_fpr_operand,
8007         dbl_memory_one_insn_operand, dbl_memory_two_insn_operand,
8008         move_destination_operand, movcc_fp_destination_operand,
8009         frv_function_symbol_referenced_p, move_source_operand,
8010         condexec_dest_operand, condexec_source_operand,
8011         reg_or_0_operand, lr_operand, fdpic_operand, got12_operand,
8012         const_unspec_operand, gpr_or_memory_operand,
8013         gpr_or_memory_operand_with_scratch, fpr_or_memory_operand,
8014         icc_operand, fcc_operand, cc_operand, icr_operand,
8015         fcr_operand, cr_operand, call_operand, sibcall_operand,
8016         symbolic_operand, relational_operator,
8017         integer_relational_operator, float_relational_operator,
8018         ccr_eqne_operator, minmax_operator,
8019         condexec_si_binary_operator, condexec_si_media_operator,
8020         condexec_si_divide_operator, condexec_si_unary_operator,
8021         condexec_sf_conv_operator, condexec_sf_add_operator,
8022         condexec_memory_operand, intop_compare_operator, acc_operand,
8023         even_acc_operand, quad_acc_operand, accg_operand: Move to
8024         predicates.md.
8025         * config/frv/frv.h (PREDICATE_CODES): Remove.
8026         * config/frv/frv.md: Include predicates.md.
8027         * config/frv/predicates.md: New.
8028
8029 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
8030
8031         PR target/19537
8032         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on langhooks.h.
8033         * tree-ssa-loop-ivopts.c: Include langhooks.h.
8034         (add_standard_iv_candidates_for_size): New function, extracting code
8035         from add_standard_iv_candidates and parameterizing it by type size.
8036         (add_standard_iv_candidates): Use add_standard_iv_candidates_for_size.
8037
8038 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
8039
8040         * system.h (GCOV_SIZE_TYPE): Unposion.
8041         * gcov-io.h (GCOV_TYPE_NODE): Delete, replacing with...
8042         (GCOV_TYPE_SIZE): ...this new macro.
8043         * coverage.h (get_gcov_type, GCOV_TYPE_NODE): Declare.
8044         * coverage.c (get_gcov_type, get_gcov_unsigned_t): New functions.
8045         (rtl_coverage_counter_ref): Use GCOV_TYPE_SIZE.
8046         (build_fn_info_type, build_fn_info_value, build_ctr_info_type)
8047         (build_ctr_info_value, build_gcov_info): Use get_gcov_unsigned_t
8048         instead of unsigned_intSI_type_node.
8049         * rtl-profile.c (rtl_gen_interval_profiler, rtl_gen_pow2_profiler)
8050         (rtl_gen_one_value_profiler_no_edge_manipulation)
8051         (rtl_gen_const_delta_profiler): Use GCOV_TYPE_SIZE.
8052         * value-prof.c: Include coverage.h.
8053
8054 2005-04-02  Daniel Berlin  <dberlin@dberlin.org>
8055             Diego Novillo <dnovillo@redhat.com>
8056
8057         Fix PR tree-optimization/20703
8058         Fix PR tree-optimization/20725
8059
8060         * tree-ssa-pre.c (phi_translate): Handle tcc_comparison.
8061         (create_expression_by_pieces): Ditto.
8062         (valid_in_set): Ditto. Also handle tcc_declaration.
8063         (find_or_generate_expression): Handle comparison class.
8064         (insert_into_preds_of_block): Ditto.
8065         (insert_aux): Ditto.
8066         (create_value_expr_from): Handle comparison class, recursively
8067         handle reference nodes.
8068         (compute_avail): Handle comparison classes, rewrite a little cleaner.
8069         (execute_pre): Fix spacing.
8070         (do_fre): Renamed to execute_fre.
8071
8072 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
8073
8074         * doc/invoke.texi (SPARC options): Document that
8075         -mlittle-endian is not supported on Linux either.
8076
8077 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
8078
8079         PR target/4198
8080         PR target/12027
8081         * config.gcc (Obsolete configurations): Remove
8082         sparclite-*-coff*, sparclite-*-elf* and sparc86x-*-elf*.
8083         (sparclite-*-coff*): Delete.
8084         (sparclite-*-elf*): Likewise.
8085         (sparc86x-*-elf*): Likewise.
8086         (target_cpu_default) <sparc*-*-*>: Remove sparc86x.
8087         * config/sparc/lite.h: Delete.
8088         * config/sparc/litecoff.h: Likewise.
8089         * config/sparc/liteelf.h: Likewise.
8090         * config/sparc/sp86x-elf.h: Likewise.
8091         * config/sparc/t-sparclite: Likewise.
8092         * config/sparc/t-sp86x: Likewise.
8093
8094 2005-04-04  Adrian Straetling  <straetling@de.ibm.com>
8095
8096         * config/s390/s390-protos.h: (s390_comparison,
8097         s390_alc_comparison, s390_slb_comparison, const0_operand,
8098         consttable_operand, larl_operand, s_operand,
8099         shift_count_operand, bras_sym_operand, load_multiple_operation,
8100         store_multiple_operation, s390_plus_operand): Remove prototypes.
8101         (s390_legitimate_address_without_index_p): New prototype.
8102         * config/s390/s390.c: (SYMBOL_FLAG_ALIGN1, DISP_IN_RANGE): Move
8103         to s390.h.
8104         (s390_comparison, s390_alc_comparison, s390_slb_comparison,
8105         const0_operand, consttable_operand, larl_operand, s_operand,
8106         shift_count_operand, bras_sym_operand, load_multiple_operation,
8107         store_multiple_operation, s390_plus_operand): Move to
8108         predicates.md.
8109         (check_mode): Remove.
8110         (s390_branch_condition_mask): Remove 'static'. Move prototype to
8111         s390-protos.h.
8112         (s390_legitimate_address_without_index_p): New.
8113         * config/s390/s390.h (PREDICATE_CODES): Remove.
8114         * config/s390/s390.md: Include predicates.md.
8115         * config/s390/predicates.md: New.
8116
8117 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
8118
8119         PR target/20446
8120         * config/sparc/sparc.h (NEED_INDICATE_EXEC_STACK): Define to 0.
8121         * config/sparc/linux.h (TARGET_ASM_FILE_END): Delete.
8122         (NEED_INDICATE_EXEC_STACK): Define to 1.
8123         * config/sparc/linux64.h (TARGET_ASM_FILE_END): Delete.
8124         (NEED_INDICATE_EXEC_STACK): Define to 1.
8125         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Set to sparc_file_end.
8126         (add_pc_to_pic_symbol): Rename into pic_helper_symbol.
8127         (add_pc_to_pic_symbol_name): Rename into pic_helper_symbol_name.
8128         (pic_helper_emitted_p): New global.
8129         (emit_pic_helper): New function extracted from...
8130         (load_pic_register): ...here.  Add 'delay_pic_helper' parameter.
8131         Do not call emit_pic_helper if delay_pic_helper is true.
8132         (sparc_expand_prologue): Pass 'false' to load_pic_register.
8133         (sparc_output_mi_thunk): Pass 'true' to load_pic_register.
8134         (sparc_file_end): New function.
8135
8136 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
8137
8138         * config/mcore/mcore-protos.h: Remove the prototypes for
8139         mcore_arith_reg_operand, mcore_general_movsrc_operand,
8140         mcore_general_movdst_operand, mcore_reload_operand,
8141         mcore_arith_J_operand, mcore_arith_K_operand,
8142         mcore_arith_K_operand_not_0, mcore_arith_M_operand,
8143         mcore_arith_K_S_operand, mcore_arith_imm_operand,
8144         mcore_arith_any_imm_operand, mcore_arith_O_operand,
8145         mcore_literal_K_operand, mcore_addsub_operand,
8146         mcore_compare_operand, mcore_load_multiple_operation,
8147         mcore_store_multiple_operation, mcore_call_address_operand.
8148         Add a prototype for const_ok_for_mcore.
8149         * config/mcore/mcore.c (mcore_call_address_operand,
8150         mcore_general_movsrc_operand, mcore_general_movdst_operand,
8151         mcore_arith_reg_operand, mcore_reload_operand,
8152         mcore_arith_J_operand, mcore_arith_K_operand,
8153         mcore_arith_K_operand_not_0, mcore_arith_K_S_operand,
8154         mcore_arith_M_operand, mcore_arith_imm_operand,
8155         mcore_arith_any_imm_operand, mcore_arith_O_operand,
8156         mcore_literal_K_operand, mcore_addsub_operand,
8157         mcore_compare_operand, mcore_load_multiple_operation,
8158         mcore_store_multiple_operation): Move to predicates.md.
8159         (const_ok_for_mcore): Export.
8160         * config/mcore/mcore.h (PREDICATE_CODES): Remove.
8161         * config/mcore/mcore.md: Include predicates.md.
8162         * config/mcore/predicates.md: New.
8163
8164         * config/mcore/predicates.md: Fix a comment typo.
8165
8166 2005-04-04  Andreas Krebbel  <krebbel1@de.ibm.com>
8167             Adrian Straetling  <straetling@de.ibm.com>
8168
8169         * config/s390/2064.md ("z_mul", "z_inf"): New insn reservations.
8170         * config/s390/2084.md ("x_mul_hi", "x_mul_sidi", "x_div"): Likewise.
8171         * config/s390/s390.md ("imulhi", "imulsi", "imuldi"): Added to "type"
8172         attribute.
8173         ("imul"): Removed from "type" attribute.
8174         ("*muldi3_sign", "muldi3"): Changed type to imuldi.
8175         ("mulsi3/1", "mulsi3/3", "mulsi/4", "mulsidi3", "umulsidi3"):
8176         Changed type to imulsi.
8177         ("*mulsi3_sign", "mulsi3/2"): Changed type to imulhi.
8178
8179 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
8180
8181         * config/mcore/mcore.h (target_flags, HARDLIT_BIT, ALIGN8_BIT, DIV_BIT)
8182         (RELAX_IMM_BIT, W_FIELD_BIT, OVERALIGN_FUNC_BIT, CGDATA_BIT)
8183         (SLOW_BYTES_BIT, LITTLE_END_BIT, M340_BIT, TARGET_HARDLIT)
8184         (TARGET_DIV, TARGET_RELAX_IMM, TARGET_W_FIELD, TARGET_OVERALIGN_FUNC)
8185         (TARGET_CG_DATA, TARGET_SLOW_BYTES, TARGET_LITTLE_END, TARGET_M340)
8186         (TARGET_SWITCHES, mcore_stack_increment_string)
8187         (TARGET_OPTIONS): Delete.
8188         (TARGET_DEFAULT, OPTIMIZATION_OPTIONS): Use MASK_* constants rather
8189         than *_BIT constants.
8190         (TARGET_8ALIGN): #undef old definition before redefining to 1.
8191         * config/mcore/mcore.c (mcore_stack_increment_string): Delete.
8192         (TARGET_DEFAULT_TARGET_FLAGS): Override default to TARGET_DEFAULT.
8193         (mcore_override_options): Delete mcore_stack_increment code.
8194         Change use of M340_BIT to MASK_M340.
8195         * config/mcore/mcore.opt: New file.
8196
8197 2005-04-04  Ian Lance Taylor  <ian@airs.com>
8198
8199         * config/arm/arm.c (replace_symbols_in_block): Remove static
8200         function.
8201
8202 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
8203
8204         * config/fr30/fr30-protos.h: Remove the prototypes for
8205         stack_add_operand, add_immediate_operand,
8206         high_register_operand, low_register_operand, call_operand,
8207         di_operand, and nonimmediate_di_operand.
8208         * config/fr30/fr30.c (stack_add_operand,
8209         add_immediate_operand, high_register_operand,
8210         low_register_operand, call_operand, di_operand,
8211         nonimmediate_di_operand): Move to predicates.md.
8212         * config/fr30/fr30.h (PREDICATE_CODES): Remove.
8213         * config/fr30/fr30.md: Include predicates.md.
8214         * config/fr30/predicates.md: New.
8215
8216         * config/mcore/mcore.h (PREDICATE_CODES): Add SYMBOL_REF and
8217         LABEL_REF to mcore_general_movsrc_operand.  Add SYMBOL_REF to
8218         mcore_call_address_operand.
8219
8220         * config/sh/sh.h (PREDICATE_CODES): Add CONST to
8221         general_movsrc_operand.
8222
8223 2005-04-04  Alan Modra  <amodra@bigpond.net.au>
8224
8225         * passes.c (rest_of_handle_final): NULL unlikely_text_section_name
8226         after freeing.
8227
8228 2005-04-04  Richard Earnshaw  <richard.earnshaw@arm.com>
8229
8230         PR target/14812
8231         * arm.c (arm_select_cc_mode): Return CC_Zmode when comparing against
8232         a negated value.
8233
8234 2005-04-04  Richard Henderson  <rth@redhat.com>
8235             Jakub Jelinek  <jakub@redhat.com>
8236
8237         PR rtl-optimization/16104
8238         * fold-const.c (fold_unary): Fix folding of vector conversions.
8239
8240 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
8241
8242         * config.gcc (xstormy16-*-elf): Set extra_options.
8243         * config/stormy16/stormy16.h (target_flags, TARGET_SWITCHES): Delete.
8244         * config/stormy16/stormy16.opt: New file.
8245
8246 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
8247
8248         * config/pdp11/pdp11.h (target_flags, TARGET_SWITCHES, TARGET_DEFAULT)
8249         (TARGET_FPU, TARGET_SOFT_FLOAT, TARGET_AC0, TARGET_NO_AC0, TARGET_45)
8250         (TARGET_BCOPY_BUILTIN, TARGET_INT16, TARGET_INT32, TARGET_FLOAT32)
8251         (TARGET_FLOAT64, TARGET_ABSHI_BUILTIN, TARGET_BRANCH_EXPENSIVE)
8252         (TARGET_BRANCH_CHEAP, TARGET_SPLIT, TARGET_NOSPLIT)
8253         (TARGET_UNIX_ASM): Delete.
8254         (TARGET_40_PLUS): Redefine in terms of TARGET_40 and TARGET_45.
8255         * config/pdp11/2bsd.h (TARGET_UNIX_ASM_DEFAULT): Use MASK_UNIX_ASM.
8256         * config/pdp11/pdp11.c (pdp11_handle_option): New function.
8257         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
8258         * config/pdp11/pdp11.opt: New file.
8259
8260 2005-04-03  Roger Sayle  <roger@eyesopen.com>
8261             Alexandre Oliva  <aoliva@redhat.com>
8262
8263         PR c++/19199
8264         * fold-const.c (non_lvalue): Split tests into...
8265         (maybe_lvalue_p): New function.
8266         (fold_cond_expr_with_comparison): Preserve lvalue-ness for the
8267         C++ front-end prior to lowering into gimple form.
8268
8269 2005-04-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8270
8271         * builtins.def (BUILT_IN_STPNCPY, BUILT_IN_STRCASECMP,
8272         BUILT_IN_STRNCASECMP): New.
8273         * doc/extend.texi: Document stpncpy, strcasecmp, strncasecmp
8274         and strndup.
8275
8276 2005-04-03  Richard Earnshaw  <richard.earnshaw@arm.com>
8277
8278         PR target/14812
8279         * arm.md (addsi3_compare0_for_combiner): Delete.
8280         (addsi3_compare0_scratch_for_combiner): Delete.
8281         (cmpsi_neg_shiftsi): Delete.
8282         (compare_negsi_si): New pattern.
8283         (cmpsi_negshiftsi_si): New pattern.
8284         (negated_cbranchsi4): Restrict to equality_operator.
8285
8286         * arm.md (movhi_insn_arch4): delete trailing white space from assembler
8287         template.
8288
8289 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
8290
8291         * cfghooks.c, cfgrtl.c, modulo-sched.c, config/i386/winnt.c:
8292         Fix comment typos.
8293
8294         * doc/install.texi: Fix a typo.
8295
8296 2005-04-03  Steven Bosscher  <stevenb@suse.de>
8297
8298         PR middle-end/20648
8299         * bb-reorder.c (duplicate_computed_gotos): Do not unfactor
8300         a computed goto if the edge to the computed goto block has
8301         incoming abnormal edges.  Clarify how the function works.
8302
8303 2005-04-03  Nathan Sidwell  <nathan@codesourcery.com>
8304
8305         * params.c (set_param_value): Use gcc_assert & gcc_unreachable.
8306         * passes.c (open_dump_file, rest_of_handle_final): Likewise.
8307         * postreload-gcse.c (expr_equiv_p, oprs_unchanged_p,
8308         hash_scan_set, reg_set_between_after_reload_p,
8309         reg_used_between_after_reload_p, get_avail_load_store_reg,
8310         eliminate_partially_redundant_load): Likewise.
8311         * postreload.c (reload_cse_simplify_set,
8312         reload_combine_note_use): Likewise.
8313         * predict.c (predict_insn, expected_value_to_br_prob,
8314         propagate_freq, expensive_function_p): Likewise.
8315         * print-rtl.c (print_rtx): Likewise.
8316         * profile.c (instrument_edges, instrument_values,
8317         compute_branch_probabilities, branch_prob, union_groups,
8318         tree_register_profile_hooks, rtl_register_profile_hooks): Likewise.
8319         * protoize.c (in_system_include_dir, file_could_be_converted,
8320         file_normally_convertible, gen_aux_info_file, seek_to_line,
8321         do_cleaning): Likewise.
8322         * tree-ssa-alias.c (collect_points_to_info_r): Likewise.
8323         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
8324         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
8325
8326 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
8327
8328         * cfg.c (clear_bb_flags): Don't clear BB_DISABLE_SCHEDULE.
8329         * modulo-sched.c (undo_replace_buff_elem): New structure.
8330         (kernel_number_of_cycles, ps_unschedule_node,
8331         undo_generate_reg_moves,free_undo_replace_buff,
8332         undo_permute_partial_schedule,  loop_single_full_bb_p,
8333         SIMPLE_SMS_LOOP_P, loop_canon_p, canon_loop,
8334         build_loops_structure, get_sched_window): New.
8335         (generate_reg_moves): Return undo_replace_buff_elem and other
8336         fixes.
8337         (generate_prolog_epilog): Remove old loop versioning.
8338         (sms_schedule): Use loop information and loop_version.
8339         (sms_schedule_by_order): Split part of it to get_sched_window.
8340         * passes.c (rest_of_handle_sms): call cfg_layout_initialize
8341         cfg_layout_finalize and free_dominance_info before/after SMS.
8342
8343 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
8344
8345         * cfghooks.c (lv_flush_pending_stmts,
8346         cfg_hook_duplicate_loop_to_header_edge, extract_cond_bb_edges,
8347         lv_adjust_loop_header_phi, lv_add_condition_to_bb): New.
8348         * cfghooks.h (cfg_hook_duplicate_loop_to_header_edge,
8349         lv_add_condition_to_bb,
8350         lv_adjust_loop_header_phi, extract_cond_bb_edges,
8351         flush_pending_stmts): New in cfg_hooks structure.
8352         (cfg_hook_duplicate_loop_to_header_edge, lv_flush_pending_stmts,
8353         extract_cond_bb_edges, lv_adjust_loop_header_phi,
8354         lv_add_condition_to_bb): New declarations.
8355         * cfgloop.h (duplicate_loop_to_header_edge): Change return type to
8356         bool.
8357         (loop_version): Declare.
8358         * cfgloopmanip.c (cfghooks.h): Include.
8359         (duplicate_loop_to_header_edge): Change return type to bool.
8360         (loop_version, lv_adjust_loop_entry_edge): Move here.
8361         * cfgrtl.c (cfgloop.h): Include.
8362         (rtl_verify_flow_info_1): Fix.
8363         (rtl_lv_add_condition_to_bb, rtl_extract_cond_bb_edges): New.
8364         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add hooks to
8365         initialization.
8366         * tree-cfg.c (tree_lv_adjust_loop_header_phi,
8367         tree_lv_add_condition_to_bb): New.
8368         (tree_cfg_hooks): Add new hooks to initialization.
8369         * tree-ssa-loop-manip.c (lv_adjust_loop_header_phi,
8370         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Remove.
8371
8372 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
8373
8374         * config/stormy16/stormy16.h (PREDICATE_CODES): Add SUBREG to
8375         xstormy16_below100_or_register,
8376         xstormy16_splittable_below100_or_register, and
8377         nonimmediate_nonstack_operand.
8378
8379         * config/stormy16/stormy16-protos.h: Remove the prototypes for
8380         xstormy16_ineqsi_operator, equality_operator,
8381         inequality_operator, shift_operator,
8382         xstormy16_below100_operand, xstormy16_below100_or_register,
8383         xstormy16_splittable_below100_or_register,
8384         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand.
8385         * config/stormy16/stormy16.c (xstormy16_ineqsi_operator,
8386         equality_operator, inequality_operator,
8387         xstormy16_below100_operand, xstormy16_below100_or_register,
8388         xstormy16_splittable_below100_or_register,
8389         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand,
8390         nonimmediate_nonstack_operand, shift_operator): Move to
8391         predicates.md.
8392         * config/stormy16/stormy16.h (PREDICATE_CODES): Remove.
8393         * config/stormy16/stormy16.md: Include predicates.md.
8394         * config/stormy16/predicates.md: New.
8395
8396 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
8397
8398         * config/iq2000/iq2000.c (uns_arith_operand, arith_operand,
8399         small_int, large_int, reg_or_0_operand, simple_memory_operand,
8400         equality_op, cmp_op, pc_or_label_operand, call_insn_operand,
8401         move_operand, power_of_2_operand): Move to predicates.md.
8402         * config/iq2000/iq2000.h (SPECIAL_MODE_PREDICATES,
8403         PREDICATE_CODE): Remove.
8404         * config/iq2000/iq2000.md: Include predicates.md.
8405         * config/iq2000/predicates.md: New.
8406
8407 2005-04-02  Richard Sandiford  <rsandifo@redhat.com>
8408
8409         * config/m68hc11/m68hc11.h (target_flags, MASK_SHORT)
8410         (MASK_AUTO_INC_DEC, MASK_M6811, MASK_M6812, MASK_M68S12)
8411         (MASK_NO_DIRECT_MODE, MASK_MIN_MAX, MASK_LONG_CALLS)
8412         (TARGET_SHORT, TARGET_M6811, TARGET_M6812, TARGET_M68S12)
8413         (TARGET_AUTO_INC_DEC, TARGET_MIN_MAX, TARGET_NO_DIRECT_MODE)
8414         (TARGET_LONG_CALLS, TARGET_SWITCHES, TARGET_OPTIONS)
8415         (SUBTARGET_SWITCHES, SUBTARGET_OPTIONS, m68hc11_regparm_string)
8416         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
8417         (TARGET_M68HC11): Delete.
8418         (TARGET_DEFAULT): Change the default setting from MASK_M6811 to 0.
8419         * config/m68hc11/m68hc12.h (TARGET_M68HC12): Delete.
8420         * config/m68hc11/m68hc11.c (m68hc11_regparm_string)
8421         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
8422         (nb_soft_regs): Delete.
8423         (TARGET_DEFAULT_TARGET_FLAGS): Override default with TARGET_DEFAULT.
8424         (m68hc11_override_options): Remove the code that caters for MASK_M6811
8425         and MASK_M6812 being set simultaneously.  Change the code that sets
8426         the default m68hc11_soft_reg_count to use integers instead of strings.
8427         (m68hc11_conditional_register_usage, hard_regno_mode_ok): Use
8428         m68hc11_soft_reg_count (which now has an int type) as the number
8429         of soft registers.
8430         * config/m68hc11/m68hc11.opt: New file.
8431
8432 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
8433
8434         * config/fr30/fr30.h (PREDICATE_CODES): Remove
8435         fp_displacement_operand, sp_displacement_operand.
8436
8437         * config/m68hc11/m68hc11-protos.h: Add a prototype for
8438         m68hcc_auto_inc_p.
8439         Remove the prototypes for tst_operand, cmp_operand,
8440         stack_register_operand, d_register_operand,
8441         hard_addr_reg_operand, splitable_operand,
8442         m68hc11_logical_operator, m68hc11_arith_operator,
8443         m68hc11_non_shift_operator, m68hc11_shift_operator,
8444         m68hc11_unary_operator, m68hc11_eq_compare_operator,
8445         non_push_operand, hard_reg_operand, and
8446         reg_or_some_mem_operand.
8447         * config/m68hc11/m68hc11.c (m68hcc_auto_inc_p): Make it
8448         extern.
8449         (tst_operand, cmp_operand, non_push_operand,
8450         splitable_operand, reg_or_some_mem_operand,
8451         stack_register_operand, d_register_operand,
8452         hard_addr_reg_operand, hard_reg_operand,
8453         m68hc11_eq_compare_operator, m68hc11_logical_operator,
8454         m68hc11_arith_operator, m68hc11_non_shift_operator,
8455         m68hc11_shift_operator, m68hc11_unary_operator): Move to
8456         predicates.md.
8457         * config/m68hc11/m68hc11.h (PREDICATE_CODES): Remove.
8458         * config/m68hc11/m68hc11.md: Include predicates.md.
8459         * config/m68hc11/predicates.md: New.
8460
8461 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
8462
8463         PR debug/19345
8464         * dwarf2out.c (add_abstract_origin_attribute): Revert accidental
8465         change checked in along with 2005-03-03's patch for debug/20253.
8466         * tree-inline.c (remap_type): Remap TYPE_STUB_DECL.
8467         (remap_decl): Insert type decl in map earlier.
8468
8469 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
8470
8471         PR tree-optimization/20640
8472         * tree-ssa-dce.c (remove_dead_stmt): Don't redirect edge to
8473         post-dominator if it has phi nodes.
8474         (eliminate_unnecessary_stmts): Remove dead phis in all blocks
8475         before dead statements.
8476
8477 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
8478
8479         PR middle-end/20491
8480         * final.c (alter_subreg): Don't call subreg_regno for a non-REG.
8481
8482 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
8483
8484         PR rtl-optimization/20290
8485         * loop.c (for_each_insn_in_loop): Don't assume the loop body runs
8486         in every iteration if the entry point is the exit test.
8487
8488 2005-04-02  Hans-Peter Nilsson  <hp@axis.com>
8489
8490         * config/cris/cris.md (attribute "length"): Define.
8491
8492 2005-04-02  Geoffrey Keating  <geoffk@apple.com>
8493
8494         * config/rs6000/predicates.md (indexed_or_indirect_operand): New.
8495         (word_offset_memref_operand): New.
8496         * config/rs6000/rs6000-protos.h (word_offset_memref_operand): Delete.
8497         (indexed_or_indirect_operand): Delete.
8498         * config/rs6000/rs6000.c (word_offset_memref_operand): Delete.
8499         (indexed_or_indirect_operand): Delete.
8500
8501         * config/rs6000/t-darwin8: Comment out ppc64 multilib.
8502
8503         PR 20650
8504         * config/rs6000/rs6000.md (fix_truncdfsi2): Make destination
8505         a register.
8506
8507         * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Add -pipe.
8508         * config/t-darwin (TARGET_LIBGCC2_CFLAGS): Likewise.
8509
8510 2005-04-01  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
8511
8512         * gcc/config/vax/vax.md: Spellcheck, fix whitespace.
8513
8514 2005-04-01  Ian Lance Taylor  <ian@airs.com>
8515
8516         * gcc.c: Don't include <sys/resource.h> or declare getrusage.
8517         (rus, prus): Remove static variables.
8518         (execute): Use pex_run/pex_get_status rather than pexecute/pwait.
8519         (process_command): Permit report_times and use_pipes together.
8520
8521 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
8522
8523         * c-decl.c (validate_proto_after_old_defn): Look at
8524         TYPE_MAIN_VARIANT of argument types.
8525
8526 2005-04-01  Paul Brook  <paul@codesourcery.com>
8527
8528         * config/arm/arm.c (thumb_call_via_label): Include space for SP.
8529         (arm_output_function_epilogue): Allow call_via_SP.
8530         (thumb_call_via_reg, arm_file_end): Ditto.
8531         * config/arm/arm.h (struct machine_function): Include space for SP.
8532         (thumb_call_via_label): Update declaration.
8533
8534 2005-04-01  Ian Lance Taylor  <ian@airs.com>
8535
8536         * final.c (final_scan_insn): Revert part of 2005-03-30 patch: when
8537         doing a peephole optimization, once again put any notes in the
8538         proper position.
8539
8540 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
8541
8542         * bb-reorder.c, fold-const.c, varasm.c: Fix comment typos.
8543
8544 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
8545
8546         * local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
8547         (block_alloc, find_free_reg): Likewise.
8548         * loop-doloop.c (doloop_modify): Likewise.
8549         * loop-invariant.c (record_use): Likewise.
8550         * loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
8551         get_iv_value, canon_condition, eliminate_implied_condition,
8552         eliminate_implied_condition, simplify_using_initial_values,
8553         shorten_into_mode, canonicalize_iv_subregs,
8554         iv_number_of_iterations): Likewise.
8555         * loop-unroll.c (expand_var_during_unrolling): Likewise.
8556         * loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
8557         unswitch_loop): Likewise.
8558         * loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
8559         move_movables, replace_call_address, find_and_verify_loops,
8560         rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
8561         record_giv, final_giv_value, general_induction_var,
8562         simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
8563         loop_giv_dump): Likewise.
8564
8565         * gcov-io.h (GCOV_CHECK, GCOV_CHECK_READING,
8566         GCOV_CHECK_WRITING): Remove.
8567         (gcov_position, gcov_rewrite): Use gcc_assert.
8568         * gcov-io.c (gcov_open, gcov_write_words, gcov_write_length,
8569         gcov_read_words, gcov_sync, gcov_seek): Use gcc_assert.
8570         * libgcov.c (__gcov_merge_single, __gcov_merge_delta): Use
8571         gcc_assert.
8572
8573 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
8574
8575         * tree-inline.c: Fix a typo.
8576
8577 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
8578
8579         * configure.ac (enable-checking): Explicitly set all variables for
8580         collective switch values.  Alphabetize variables. Rename
8581         ac_checking_valgrind to ac_valgrind_checking.  Allow 'none' as
8582         synonym for 'no'.
8583         * doc/install.texi (enable-checking): Update documentation.
8584         * configure: Rebuilt.
8585
8586 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
8587
8588         * tree-inline.c (copy_body_r): Use CONSTANT_CLASS_P where
8589         possible.
8590
8591 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
8592
8593         * arm.c (adjacent_mem_locations): Reject volatile memory refs.
8594         Also reject cases where this pattern will cause load delay stalls
8595         unless optimizing for size and it will produce a shorter sequence.
8596         * arm.md (arith_adjacent_mem): Make better use of ldm addressing
8597         variants to avoid pre-adjusting the base when possible.
8598
8599 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
8600
8601         * arm.md (minmax_arithsi): Reject all eliminable registers, not just
8602         the frame and argument pointers.
8603         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec): Likewise.
8604         (loadqisi_preinc, loadqisi_predec, strsi_preinc): Likewise.
8605         (strsi_predec, loadsi_preinc, loadsi_predec): Likewise.
8606         (strqi_shiftpreinc, strqi_shiftpredec, loadqi_shiftpreinc): Likewise.
8607         (loadqi_shiftpredec, strsi_shiftpreinc, strsi_shiftpredec): Likewise.
8608         (loadsi_shiftpreinc, loadsi_shiftpredec): Likewise.
8609
8610 2005-04-01  Danny Smith  <dannysmith@users.sourceforge.net>
8611
8612         * config/i386/cygming.h (SUBTARGET_ATTRIBUTE_TABLE): Define,
8613         with entry for selectany attribute.
8614         * config/i386/i386-protos.h (ix86_handle_selectany_attribute):
8615         Declare.
8616         * config/i386/winnt.c (ix86_handle_selectany_attribute): Define.
8617         (i386_pe_asm_named_section): Handle sections generated by
8618         selectany attribute.
8619         * doc/extend.texi (selectany): Document attribute.
8620
8621 2005-04-01  Paolo Bonzini  <bonzini@gnu.org>
8622             Jan Hubicka  <jh@suse.cz>
8623
8624         * config/i386/i386.c (ix86_decompose_address): Look inside SUBREGs
8625         to fix addresses involving EBP and ESP.
8626         (aligned_operand, legitimate_address_p, ix86_address_cost): Be prepared
8627         for SUBREGed registers.
8628         (legitimate_address_p): Accept SUBREGed registers.
8629
8630 2005-04-01  Jakub Jelinek  <jakub@redhat.com>
8631
8632         PR c++/19406
8633         * dwarf2out.c (gen_type_die_for_member): Handle FIELD_DECL.
8634         (dwarf2out_imported_module_or_decl): Use gen_type_die_for_member
8635         for FIELD_DECLs.
8636
8637 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
8638
8639         * doc/contrib.texi, doc/invoke.texi, doc/tm.texi: Fix typos.
8640
8641 2005-04-01  James E Wilson  <wilson@specifixinc.com>
8642
8643         PR c++/20505
8644         * dwarf2out.c (rtl_for_decl_init): New function.
8645         (rtl_for_decl_location): Extracted from here.
8646         (tree_add_const_value_attribute): Call rtl_for_decl_init and
8647         add_const_value_attribute.  Delete initializer_constant_valid_p call.
8648
8649 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
8650
8651         * cgraphunit.c, dbxout.c, flow.c, gcse.c, gimplify.c,
8652         lambda-code.c, loop.c, machmode.def, mips-tfile.c,
8653         modulo-sched.c, passes.c, postreload-gcse.c, tree-eh.c,
8654         tree-ssa-ccp.c, varasm.c, config/frv/frv.c, config/frv/frv.h,
8655         config/frv/frv.md, config/i386/i386.c, config/i386/i386.h,
8656         config/i386/i386.md, config/rs6000/predicates.md,
8657         config/rs6000/rs6000.c, config/s390/fixdfdi.h,
8658         config/s390/s390.c, config/stormy16/stormy16.c,
8659         config/stormy16/stormy16.md, config/vax/vax.md: Fix comment
8660         typos.
8661
8662 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
8663
8664         PR c/17855
8665         * gimplify.c (gimplify_expr): Create a temporary for lvalue
8666         COND_EXPR and CALL_EXPR.
8667
8668 2005-03-31  Vladimir Makarov  <vmakarov@redhat.com>
8669
8670         PR target/20632
8671         * genautomata.c (first_cycle_unit_presence): Check all alternative
8672         states for unit presence.
8673
8674         * doc/md.texi: Remove remark about impossibility to query unit
8675         presence in non nondeterministic automaton state.
8676
8677         * config/ia64/ia64.c (get_template): Change order of unit querying.
8678
8679 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
8680
8681         * tree-ssa-dom.c (cprop_into_successor_phis): Remove an
8682         obsolete comment.
8683
8684 2005-03-31  Zdenek Dvorak  <dvorakz@suse.cz>
8685
8686         * cfgloopanal.c (mark_loop_exit_edges): Clean EDGE_LOOP_EXIT
8687         flag for edges outside any loops.
8688
8689 2005-03-31  Janis Johnson  <janis187@us.ibm.com>
8690
8691         * doc/sourcebuild.texi (Test Directives): Describe cleanup-* procs.
8692
8693 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
8694
8695         * tree-ssa-alias.c: Follow spelling conventions.
8696         * doc/tree-ssa.texi: Fix a typo.
8697
8698 2005-03-31  J"orn Rennecke <joern.rennecke@st.com>
8699
8700         * postreload-gcse.c: Include target.h.
8701         (gcse_after_reload_main): Return early if we cannot modify jumps.
8702         * Makefile.in (postreload-gcse.o): Depend on $(TARGET_H).
8703
8704 2005-03-31  David Edelsohn  <edelsohn@gnu.org>
8705
8706         * tree-ssa-loop-im.c (stmt_cost): Add RDIV_EXPR to list of
8707         expensive operations.
8708
8709 2005-03-31  Ian Lance Taylor  <ian@airs.com>
8710
8711         * collect2.c (lderrout): New variable.
8712         (collect_exit): Dump ldout to stdout.  Dump and unlink lderrout,
8713         if it is set, to stderr.
8714         (handler): Unlink lderrout if it is set.
8715         (dump_file): Add "to" parameter.  Change all callers.
8716         (main): Initialize lderrout.
8717         (collect_execute): Add errname parameter.  Change all callers.
8718         Rename redir parameter to outname.  Never pass
8719         PEX_STDERR_TO_STDOUT to pex_run.
8720         * collect2.h (collect_execute, dump_file): Update declarations.
8721         * tlink.c (tlink_execute): Add errname parameter.  Change all
8722         callers.
8723         (do_tlink): Check lderrout as well as ldout.
8724
8725 2005-03-31  Caroline Tice  <ctice@apple.com>
8726
8727         * Makefile.in (varasm.o): Add basic-block.h to list of requirements.
8728         (bb-reorder.o): Add errors.h to list of requirements.
8729         (STAGEFEEDBACK_FLAGS_TO_PASS): Add -freorder-blocks-and-partition to
8730         profiledbootstrap flags.
8731         * bb-reorder.c (errors.h): Add new include.
8732         (struct bbro_basic_block_data_def): Add new field, in_trace.
8733         (add_unlikely_executed_notes):  Remove function.
8734         (mark_bb_for_unlikely_executed_section): Remove function.
8735         (insert_section_boundary_note): New function.
8736         (verify_hot_cold_block_grouping): New function.
8737         (push_to_next_round_p): Remove variables and tests that push all
8738         cold blocks to last round.
8739         (find_traces): Remove code that added extra round of trace finding
8740         when doing partitioning.
8741         (find_traces_1_round) :  Remove variable last_round;  add code to
8742         update new struct field, in_trace; correct trace_length where it was
8743         incorrect before (after call to copy_bb); change code that pushed all
8744         cold blocks to last round. Instead verify that all blocks going into
8745         a trace belong in the same partition.
8746         (connect_traces): Modify to connect the traces in two passes, if the
8747         function contains both hot and cold blocks.  The first pass connects
8748         all the traces for blocks in the partition that the first block in
8749         the function belongs to; the second pass connnects all the traces
8750         containing blocks that belong in the other partition.
8751         (find_rarely_executed_basic_blocks_and_crossing_edges):  Remove
8752         code that automatically put the first block in a function into the
8753         hot partition if the function had any hot blocks.
8754         (fix_crossing_unconditional_branches): Check number of succ edges
8755         before attempting to get one.
8756         (fix_edges_for_rarely_executed_code):  Update comment describing
8757         function.
8758         (reorder_basic_blocks):  Add code to initialize new field (in_trace);
8759         remove call to add_unlikely_executed_notes; add call to
8760         verify_hot_cold_block_grouping.
8761         (duplicate_computed_gotos): Don't change computed goto if it's a
8762         crossing edge.
8763         (partition_hot_cold_basic_blocks):  Update function comment.
8764         * cfgcleanup.c (try_simplify_condjump): Remove redundacy from
8765         condition.
8766         (try_forward_edges): Likewise.
8767         (merge_blocks_move_predecessor_nojumps): Likewise.
8768         (merge_blocks_move_successor_nojumps): Likewise.
8769         (merge_blocks_move): Likewise.
8770         (try_crossjump_bb): Likewise.
8771         * cfglayout.c (update_unlikely_executed_notes): Remove function.
8772         (fixup_reorder_chain): Remove code for adding UNLIKELY_EXECUTED_CODE
8773         notes to cold bb's; remove call to update_unlikely_executed_notes.
8774         (duplicate_insn_chain):  change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
8775         NOTE_INSN_SWITCH_TEXT_SECTIONS.
8776         * cfglayout.h (scan_ahead_for_unlikely_executed_note): Remove
8777         function declaration.
8778         * cfgrtl.c (can_delete_note_p): Remove UNLIKELY_EXECUTED_CODE note
8779         from consideration.
8780         (rtl_can_merge_blocks): Remove redundancy from condition.
8781         (try_redirect_by_replacing_jump): Likewise.
8782         (force_nonfallthru_and_redirect): Remove code for adding
8783         UNLIKELY_EXECUTED_CODE notes to cold bb's.
8784         (commit_one_edge_insertion): Likewise.
8785         (cfg_layout_can_merge_blocks_p): Remove redundancy from condition.
8786         * dbxout.c (FORCE_TEXT): Replace function_section with
8787         current_function_section.
8788         (struct dbx_debug_h): Add do_nothing function for new debug_hooks
8789         function, switch_text_section.
8790         (struct xcoff_debug): Likewise.
8791         (dbxout_function_end): Add code to put out label diffs for both
8792         hot and cold sections.
8793         * debug.c (struct do_nothing_debug_hooks): Add do_nothing function
8794         for new debug_hooks funciton, switch_text_section..
8795         * debug.h (struct gcc_debug_hooks):  Add new function to debug_hooks,
8796         switch_text_section.
8797         * dwarf2out.c (struct dw_fde_struct):  Add five new fields:
8798         dw_fde_hot_section_label, dw_fde_hot_section_end_label,
8799         dw_fde_unlikely_section_label, dw_fde_unlikely_section_end_label and
8800         dw_fde_switched_sections.
8801         (output_call_frame_info):  Add test to see if function switches text
8802         sections in the middle; if so, use appropriate extra hot and cold
8803         section labels to compute size deltas for the hot and cold sections.
8804         (dwarf2out_begin_prologue): Add code to initialize new fields in
8805         dw_fde_struct.
8806         (dwarf2out_switch_text_section): New function (invoked through
8807         debug_hook); updates new fields in dw_fde_struct appropriately and
8808         increments separate_line_info_table_in_use.
8809         (dwarf2_debug_hooks): Initialize switch_text_section function to be
8810         dwarf2out_switch_text_section.
8811         (struct var_loc_node): Add new field, section_label.
8812         (output_aranges): Add code to check whether in hot or cold section and
8813         use the appropriate label in calculating deltas.
8814         (output_ranges): Likewise.
8815         (output_line_info): Add code to check which section we're in and
8816         use appropriate hot/cold label.
8817         (add_location_or_constant_value_attribute): Likewise.
8818         (gen_subprogam_die): Modify arange attributes to use correct labels.
8819         (dwarf2out_begin_block): Change call to function_section into call to
8820         current_function_section.
8821         (dwarf2out_end_block): Likewise.
8822         (dwarf2out_source_line): Likewise.
8823         (dwarf2out_var_location): Add code to check whether in hot or cold
8824         section and use the appropriate label.
8825         * except.c (output_function_exception_table): Change call to
8826         function_section into call to current_function_section.
8827         * final.c (profile_function): Likewise.
8828         (scan_ahead_for_unlikely_executed_note): Remove function.
8829         (final_scan_insn):  Remove calls to
8830         scan_ahead_for_unlikely_executed_note, and related code for switching
8831         to cold section, except for the single time
8832         NOTE_INSN_SWITCH_TEXT_SECTIONS may be encountered;  add calls to
8833         debug_hooks->switch_text_sections; replace appropriate calls to
8834         function_section with calls to current_function_section.
8835         * ifcvt.c (find_if_case_1): Remove redundancy from condition, add
8836         test_bb to condition.
8837         (find_if_case_2): Likewise.
8838         * insn-notes.def: Change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
8839         NOTE_INSN_SWITCH_TEXT_SECTIONS.  Update comment appropriately.
8840         * opts.c (decode_options): Change warning about hot/cold partitioning
8841         with exceptionss to inform (so as not to cause bootstrap failures);
8842         remove warning about partitioning with DWARF debug info.
8843         * output.h (current_function_section): Add new function decl.
8844         (insert_section_boundary_note): Likewise.
8845         (enum in_section): Move this declaration here from varasm.c.
8846         (unlikely_section_label): Likewise.
8847         (unlikely_text_section_name): Likewise.
8848         (last_text_section_name): New global variable.
8849         (last_text_section): Likewise.
8850         (hot_section_label): Likewise.
8851         (hot_section_end_label): Likewise.
8852         (cold_section_end_label): Likewise.
8853         * passes.c (rest_of_handle_final): Free unlikely_text_section_name.
8854         * print-rtl.c (print_rtx): Change NOTE_INSN_UNLIKELY_EXECUTED_CODE
8855         to NOTE_INSN_SWITCH_TEXT_SECTIONS.
8856         * reg-stack.c (emit_swap_insn): Remove UNLIKELY_EXECUTED_CODE note
8857         insn from consideration.
8858         * sdbout.c (sdb_debug_hooks): Add do_nothing for new function,
8859         switch_text_section.
8860         * varasm.c (basic-block.h): Add new include.
8861         (unlikely_section_label_printed): Remove global variable.
8862         (unlikely_section_label): Make global variable not be static any more.
8863         (unlikely_text_section_name): Likewise.
8864         (hot_section_end_label): New global variable (not static)
8865         (first_function_block_is_cold): Likewise.
8866         (hot_section_label): Likewise.
8867         (cold_section_end_label): Likewise..
8868         (last_text_section): New global variable, not static.
8869         (last_text_section_name): New global variable, not static.
8870         (initialize_cold_section_name): New function.
8871         (enum in_section): Move declaration to output.h.
8872         (text_section): Update last_text_section.
8873         (unlikely_text_section): Replace code to determine cold section name
8874         with call to initialize_cold_section_name; Add code to update
8875         last_text_section; remove code for printing out label.
8876         (named_section_real): Add code to update last_text_section and
8877         last_text_section_name as appropriate.
8878         (function_section): Change test for 'unlikely' to depend on
8879         first_function_block_is_cold (moved old test to
8880         current_function_section).
8881         (current_function_section): New function.
8882         (assemble_start_function): Move code that frees
8883         unlikely_text_section_name; initialize hot_section_end_label;
8884         print hot and cold section labels at the start of the function;
8885         set first_function_block_is_cold, if appropriate; initialize l
8886         ast_text_section; add call to insert_section_boundary_note.
8887         (assemble_end_function):  Add code to write out hot and cold section
8888         end labels.
8889         *vmsdbgout.c (vmsdbg_debug_hooks): Add do_nothing for new function,
8890         switch_text_section.
8891         * config/darwin.c (machopic_select_section): Replace incorrect
8892         function in base_funs; update reloc for cold sections if necessary.
8893         * config/darwin.h (SECTION_FUNCTION):  Add code to update
8894         last_text_section if appropriate.
8895         (text_unlikely_section): Remove.
8896         * config/sparc/sparc.c (sparc_output_deferred_case_vectors): Likewise.
8897         * config/stormy16/stormy16.c (stormy_16_output_addr_vec): Likewise.
8898         * config/xtensa/xtensa.c (override_options): Turn off hot/cold
8899         partitioning for this architecture.
8900
8901 2005-03-31  Olivier Hainque  <hainque@adacore.com>
8902
8903         * dwarf2out.c (dwarf2out_frame_finish): Honor DWARF2_FRAME_INFO
8904         defined and non-zero.
8905
8906 2005-03-31  Gabriel Dos Reis  <gdr@integrable-solutions.net>
8907
8908         PR c++/18644
8909         * doc/invoke.texi (-Wsynth): Don't document, as it now is void of
8910         semantics.
8911
8912 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
8913
8914         PR target/20611
8915         * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Remove inline
8916         label operand.  Remove (use (unspec..)).  Don't emit a label on
8917         the offset word.
8918         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Don't
8919         generate inline label for load_toc_v4_PIC_1b.
8920         (rs6000_emit_load_toc_table): Likewise.
8921
8922 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
8923
8924         * config.gcc: Obsolete i860-*-sysv4*, ip2k-*-elf,
8925         ns32k-*-netbsdelf*, and ns32k-*-netbsd*.
8926
8927 2005-03-29  Devang Patel  <dpatel@apple.com>
8928
8929         * tree-sra.c (decide_block_copy): Disable scalarization of
8930         sub-elements.
8931
8932 2005-03-30  Stuart Hastings  <stuart@apple.com>
8933             Dale Johannesen  <dalej@apple.com>
8934
8935         * Makefile.in (print-tree.o):  Depend on tree-iterator.h.
8936         * print-tree.c (print_node):  Add case STATEMENT_LIST.
8937
8938 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
8939
8940         * config.gcc (cpu_is_64bit): Set for 64-bit powerpc cpus.
8941         (powerpc64-*-linux*): Use it.  Rearrange tm_file assignment.
8942         (powerpc-*-linux*): Build a biarch compiler when --enable-targets
8943         is given with "powerpc64*" or "all", or when --with-cpu chooses
8944         a 64-bit cpu.
8945
8946 2005-03-30  James E. Wilson  <wilson@specifixinc.com>
8947
8948         PR debug/20268
8949         * dwarf2out.c (add_high_low_attributes): New function, extracted from
8950         gen_lexical_block_die.
8951         (gen_lexical_block_die, gen_inlined_subroutine_die): Call it.
8952
8953 2005-03-31  Jan Hubicka  <jh@suse.cz>
8954
8955         2004-11-02  Jan Hubicka  <jh@suse.cz>
8956
8957         * cgraph.c (cgraph_varpool_node_name): New function.
8958         (dump_cgraph_varpool_node): New function.
8959         (dump_varpool): New function.
8960         * cgraphunit.c (cgraph_optimize): Dump varpool.
8961
8962         2004-10-16  Jan Hubicka  <jh@suse.cz>
8963
8964         * cgraph.c (decide_is_variable_needed): New function.
8965         (cgraph_varpool_finalize_decl): Use it.
8966         * cgraphunit.c (cgraph_optimize): Assemble_pending_decls when not doing
8967         unit-at-a-time.
8968         * final.c (output_addr_const): Do not call mark_referenced.
8969         * passes.c (rest_of_decl_compilation): ifdef out DECL_RTL_SET_P hack;
8970         always go via cgraph.
8971         * toplev.c (wrapup_global_declarations): Kill non-unit-at-a-time code.
8972         (check_global_declarations): Ifdef out code clearing DECL_RTL.
8973         * tree-optimize.c (execute_inline): Mark functions called.
8974         * i386.c (output_pic_addr_const): Do not call mark_decl_referenced.
8975
8976         2004-10-11  Jan Hubicka  <jh@suse.cz>
8977
8978         * cgraph.c (cgraph_varpool_first_unanalyzed_node): New global voriable
8979         (cgraph_varpool_last_needed_node): New static variable.
8980         (enqueue_needed_varpool_node): Break out from ...; add items to the
8981         end of queue; update first pointers.
8982         (cgraph_varpool_mark_needed_node): ... here.
8983         (cgraph_varpool_finalize_decl): Use enqueue_needed_varpool_node.
8984         (cgraph_varpool_assemble_pending_decls): Move to cgraphunit.c
8985         * cgraph.h (cgraph_varpool_node): Add analyzed field.
8986         (cgraph_varpool_first_unanalyzed_node): Declare.
8987         * cgraphunit.c: Include output.h.
8988         (cgraph_varpool_analyze_pending_decls): New function.
8989         (cgraph_varpool_assemble_pending_decls): Move from cgraph.c; bail out
8990         for errors, analyze pending decls.
8991         (cgraph_finalize_compilation_unit): Only analyze decls.
8992         (cgraph_optimize): Assemble the decls after expanding.
8993
8994 2005-03-30  Daniel Berlin  <dberlin@dberlin.org>
8995
8996         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Make sure
8997         subvars get marked properly in tags for grouping.
8998         (add_pointed_to_var): Mark only actual pointed to
8999         variables/subvars in addresses needed.
9000         (create_overlap_variables_for): Clear call clobbered on original
9001         variable.
9002         * tree-ssa-operands.c (get_asm_expr_operands): Don't let regular
9003         addresable vars with subvars into list.
9004         * tree-ssa.c (verify_ssa_name): Verify original is not used where
9005         subvar should be.
9006
9007 2005-03-30  Richard Henderson  <rth@redhat.com>
9008
9009         * cgraph.h (struct cgraph_node): Add alias.
9010         * varasm.c (assemble_alias): Set it.
9011         * cgraphunit.c (cgraph_assemble_pending_functions): Check it and
9012         avoid calling cgraph_expand_function.
9013
9014 2005-03-30  Tom Tromey  <tromey@redhat.com>
9015
9016         * tree.def (FILE_TYPE): Removed.
9017         * typeclass.h (enum type_class): Removed file_type_class.
9018         * dwarf2out.c (is_base_type): Updated.
9019         (gen_type_die): Likewise.
9020         * dbxout.c (dbxout_type): Updated.
9021         * builtins.c (type_to_class): Updated.
9022         * tree.c (type_contains_placeholder_1): Updated.
9023         * config/sparc/sparc.c (sparc_type_code): Updated.
9024         * config/ia64/ia64.c (hfa_element_mode): Updated.
9025         * expr.c (count_type_elements): Updated.
9026         * stor-layout.c (layout_type): Updated.
9027         * tree-inline.c (remap_type): Updated.
9028         * tree-pretty-print.c (dump_generic_node): Updated.
9029
9030 2005-03-30 Fariborz Jahanian <fjahanian@apple.com>
9031
9032         * builtins.c (expand_builtin_powi): Fix mode of
9033         2nd argument to match int.
9034         * libgcc2.h (__powisf2, __powidf2, __powixf2, __powitf2): Change
9035         2nd argument type to int.
9036         * libgcc2.c: Change prototype of __powi* functions to use
9037         int.
9038
9039 2005-03-30  Dale Johannesen  <dalej@apple.com>
9040
9041         PR middle-end/19225
9042         * calls.c (expand_call):  Flush pending deferrals before
9043         throwing call.
9044
9045 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
9046
9047         PR c/772
9048         PR c/17913
9049         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR,
9050         C_DECL_UNDEFINABLE_STMT_EXPR, struct c_label_list, struct
9051         c_label_context, label_context_stack): New.
9052         * c-decl.c (define_label): Check for jumps into statement
9053         expressions.  Add label to list of defined labels.
9054         (start_function): Push context on label_context_stack.
9055         (finish_function): Pop context from label_context_stack.
9056         * c-typeck.c (label_context_stack): New.
9057         (c_finish_goto_label): Check for jumps into statement
9058         expressions.  Add label to list of jumped to labels.
9059         (struct c_switch): Add blocked_stmt_expr.
9060         (c_start_case): Initialize it.
9061         (do_case): Check it.
9062         (c_finish_case): Verify !blocked_stmt_expr.
9063         (c_begin_stmt_expr):  Push context on label_context_stack.
9064         Increment blocked_stmt_expr.  Mark labels jumped to from outside
9065         as undefinable.
9066         (c_finish_stmt_expr): December blocked_stmt_expr.  Mark labels
9067         defined in the statement expression and no longer jumpable to.
9068         Mark labels jumped to from just outside the statement expression
9069         as again definable.  Pop context from label_context_stack.
9070         * doc/extend.texi (Statement Exprs): Update.
9071
9072 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
9073
9074         PR c/20368
9075         * c-decl.c (start_function): Check for old_decl being
9076         error_mark_node.
9077
9078 2005-03-30  Ian Lance Taylor  <ian@airs.com>
9079
9080         * final.c (final): Remove prescan parameter.  Change all callers.
9081         (final_scan_insn): Remove prescan parameter.  Change all callers.
9082
9083 2005-03-30  Kazu Hirata  <kazu@cs.umass.edu>
9084
9085         * tree-vectorizer.c: Fix comment typos.
9086
9087 2005-03-30  Sebastian Pop  <pop@cri.ensmp.fr>
9088
9089         * tree-scalar-evolution.c (instantiate_parameters_1): Return
9090         as soon as a chrec_dont_know is detected.
9091
9092 2005-03-31  Danny Smith  <dannysmith@users.sourceforge.net>
9093
9094         Merge from csl-arm-branch.
9095         2004-02-12  Mark Mitchell  <mark@codesourcery.com>
9096
9097         * tlink.c (recompile_files): Do not assume that "rename" can
9098         overwrite an existing file.
9099
9100 2005-03-31  Paolo Bonzini  <bonzini@gnu.org>
9101
9102         * gcc/configure.ac (TL_AC_GNU_MAKE_GCC_LIB_PATH): Remove.
9103         * gcc/configure: Regenerate.
9104
9105 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
9106
9107         * doc/install.texi: Update binutils requirement for powerpc*-linux.
9108
9109         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Update comments.
9110
9111         * calls.c (struct arg_data): Update "partial" comment.
9112         (load_register_parameters): Update "nregs" comment.
9113
9114 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
9115
9116         * config/iq2000/iq2000.h (target_flags, MASK_GPOPT, MASK_EMBEDDED_DATA)
9117         (MASK_UNINIT_CONST_IN_RODATA, TARGET_EMBEDDED_DATA, TARGET_SWITCHES)
9118         (TARGET_DEFAULT, TARGET_CPU_DEFAULT, SUBTARGET_TARGET_OPTIONS)
9119         (TARGET_OPTIONS, iq2000_cpu_string, iq2000_arch_string): Delete.
9120         (TARGET_DEBUG_MODE, TARGET_DEBUG_A_MODE, TARGET_DEBUG_B_MODE)
9121         (TARGET_DEBUG_C_MODE, TARGET_DEBUG_D_MODE): Define to 0 rather
9122         than target_flags & 0.
9123         * config/iq2000/iq2000.c (iq2000_cpu_string, iq2000_arch_string)
9124         (iq2000_arch, iq2000_parse_cpu): Delete.
9125         (TARGET_HANDLE_OPTION): Override default.
9126         (iq2000_handle_option): New function.
9127         (override_options): Remove -march= and -mcpu= handling.
9128         * config/iq2000/iq2000.opt: New file.
9129
9130 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
9131
9132         * config/c4x/c4x-protos.h (c4x_rpts_cycles, c4x_cpu_version): Delete.
9133         * config/c4x/c4x.h (SMALL_MEMORY_FLAG, MPYI_FLAG, FAST_FIX_FLAG)
9134         (RPTS_FLAG, C3X_FLAG, TI_FLAG, PARANOID_FLAG, MEMPARM_FLAG, DEVEL_FLAG)
9135         (RPTB_FLAG, BK_FLAG, DB_FLAG, DEBUG_FLAG, HOIST_FLAG)
9136         (LOOP_UNSIGNED_FLAG, FORCE_FLAG, PRESERVE_FLOAT_FLAG)
9137         (PARALLEL_INSN_FLAG, PARALLEL_MPY_FLAG, ALIASES_FLAG, C30_FLAG)
9138         (C31_FLAG, C32_FLAG, C33_FLAG, C40_FLAG, C44_FLAG, TARGET_SWITCHES)
9139         (TARGET_DEFAULT, TARGET_SMALL, TARGET_MPYI, TARGET_FAST_FIX)
9140         (TARGET_RPTS, TARGET_TI, TARGET_PARANOID, TARGET_MEMPARM, TARGET_DEVEL)
9141         (TARGET_RPTB, TARGET_BK, TARGET_DB, TARGET_DEBUG, TARGET_HOIST)
9142         (TARGET_LOOP_UNSIGNED, TARGET_FORCE, TARGET_PRESERVE_FLOAT)
9143         (TARGET_PARALLEL, TARGET_PARALLEL_MPY, TARGET_ALIASES)
9144         (c4x_rpts_cycles_string, c4x_cpu_version_string)
9145         (TARGET_OPTIONS): Delete.
9146         (c4x_rpts_cycles, c4x_cpu_version): Declare.
9147         (TARGET_C3X, TARGET_C30, TARGET_C31, TARGET_C32, TARGET_C33)
9148         (TARGET_C40, TARGET_C44): Redefine in terms of c4x_cpu_version.
9149         * config/c4x/c4x.c (c4x_rpts_cycles_string): Delete.
9150         (c4x_cpu_version_string): Delete.
9151         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
9152         (c4x_handle_option): New function.  Map -m3x and -m4x options to the
9153         equivalent -mcpu= option.
9154         (c4x_override_options): Remove -mrpts= and -mcpu= handling from here.
9155         Deal with the extra conditions in the old TARGET_MPYI, TARGET_RPTB,
9156         TARGET_DB, TARGET_PARALLEL and TARGET_PARALLEL_MPY macros by setting
9157         or clearing the appropriate MASK_* bit.
9158         (c4x_file_start): Use c4x_cpu_version.
9159         * config/c4x/c4x.opt: New file.
9160
9161 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
9162
9163         * doc/options.texi: Document the new MaskExists flag.
9164         * opth-gen.awk: Don't output MASK and TARGET macros for Mask(...)
9165         if the option has the MaskExists flag.
9166
9167 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
9168
9169         * opt-functions.awk (flag_set_p, test_flag): New functions.
9170         (switch_flags): Use them.
9171         * opth-gen.awk: Use flag_set_p to check for flags.
9172         * optc-gen.awk: Likewise.  Use opt_args to check for Init(...) flags.
9173
9174 2005-03-30  Ian Lance Taylor  <ian@airs.com>
9175
9176         * config.host (i[34567]86-*-mingw32*): Don't set
9177         host_can_use_collect2 to no.
9178
9179 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
9180
9181         PR target/20203
9182         * builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL.
9183         Remove convert_memory_address call duplicating that in memory_address.
9184
9185 2005-03-29  Richard Henderson  <rth@redhat.com>
9186
9187         PR c/20519
9188         * c-decl.c (c_finish_incomplete_decl): Update complete_array_type call.
9189         (build_compound_literal): Likewise.  Propagate decl type into the
9190         initializer.
9191         (finish_decl): Likewise.  Use new return value from complete_array_type
9192         for zero sized arrays.
9193         (complete_array_type): Move ...
9194         * c-common.c (complete_array_type): ... here.  Change first argument
9195         to pointer-to-type-node.  Consistently use sizetype for the index
9196         except for zero sized arrays.  Detect zero sized arrays for pedantic
9197         mode diagnostics.  Create a new type node instead of modifying the
9198         old node in place.
9199         * c-tree.h (complete_array_type): Move decl ...
9200         * c-common.h (complete_array_type): ... here.
9201
9202 2005-03-29  Richard Henderson  <rth@redhat.com>
9203
9204         PR tree-opt/19108
9205         * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.
9206
9207 2005-03-29  Kazu Hirata  <kazu@cs.umass.edu>
9208
9209         * builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c,
9210         debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c,
9211         rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h,
9212         tree-profile.c, tsystem.h, value-prof.h: Update copyright.
9213
9214 2005-03-29  Eric Christopher  <echristo@redhat.com>
9215
9216         * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
9217         truthvalue conversion removal.
9218
9219 2005-03-29  Ian Lance Taylor  <ian@airs.com>
9220
9221         PR bootstrap/14316
9222         * collect2.c: Never include <vfork.h>.
9223         (VFORK_STRING, vfork): Don't define.
9224         (pid): Remove global variable.
9225         (handler): Call raise instead of kill (getpid(), ...).
9226         (collect_wait): Add pex parameter.  Change all callers.  Use
9227         pex_get_status rather than pwait.
9228         (do_wait): Add pex parameter.  Change all callers.
9229         (collect_execute): Return struct pex_obj * rather than void.  Use
9230         pex routines rather than pexecute.
9231         (fork_execute): Get pex_obj from collect_execute, and pass it to
9232         do_wait.
9233         (scan_prog_file): Use pex routines rather than pipe/vfork/exec.
9234         Only declare quit_handler if SIGQUIT is defined.
9235         (scan_libraries): Likewise.
9236         * collect2.h (collect_execute): Update declaration.
9237         (collect_wait): Update declaration.
9238         * tlink.c (tlink_execute): Get pex_obj from collect_execute, and
9239         pass it to collect_wait.
9240
9241 2005-03-29  Joseph S. Myers  <joseph@codesourcery.com>
9242
9243         PR c/20672
9244         * c-parser.c (c_parser_compound_statement_nostart): Give error
9245         message for EOF instead of just setting parser->error.
9246
9247 2005-03-29  Dorit Naishlos  <dorit@il.ibm.com>
9248
9249         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed.
9250         (slpeel_update_phi_nodes_for_guard1): New function.
9251         (slpeel_update_phi_nodes_for_guard2): New function.
9252         (slpeel_tree_peel_loop_to_edge): Call above new functions instead
9253         of slpeel_update_phi_nodes_for_guard.
9254         (vectorize_loops): Remove call to loop_closed_rewrite.
9255         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove
9256         assertion.
9257
9258 2005-03-29  Richard Sandiford  <rsandifo@redhat.com>
9259
9260         * config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete.
9261         (TARGET_LITTLE_ENDIAN): New macro.
9262         * config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags)
9263         (TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG)
9264         (TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS)
9265         (TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE)
9266         (TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK)
9267         (TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT)
9268         (TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT)
9269         (TARGET_SWITCHES, m32r_model_string, m32r_sdata_string)
9270         (m32r_cache_flush_trap_string, SUBTARGET_OPTIONS)
9271         (TARGET_OPTIONS): Delete.
9272         (M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums.
9273         (CACHE_FLUSH_TRAP): Turn into an integer.
9274         (TARGET_LITTLE_ENDIAN): Define to 0 by default.
9275         (INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if
9276         -mflush-trap is in use.
9277         * config/m32r/m32r.c (m32r_model_string, m32r_sdata_string)
9278         (m32r_cache_flush_trap_string): Delete.
9279         (m32r_model) Initialize to M32R_MODEL_DEFAULT.
9280         (m32r_sdata): Likewise M32R_SDATA_DEFAULT.
9281         (m32r_cache_trap): Likewise CACHE_FLUSH_TRAP.
9282         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
9283         (m32r_handle_option): New function.  Move -mflush-trap=, -mflush-func=,
9284         -mmodel= and -msdata= handling from...
9285         (m32r_init): ...here.
9286         * config/m32r/m32r.opt: New file.
9287
9288 2005-03-29  Keith Besaw  <kbesaw@us.ibm.com>
9289
9290         * tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
9291         (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
9292         * tree-vect-analyze.c (vect_object_analysis): additional parm
9293         pass back a "struct ptr_info_def *" with the points-to info.
9294         (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
9295         statement using info returned from vect_object_analysis.
9296         * tree-vect-transform.c (update_vuses_to_preheader): New function.
9297         (vect_create_data_ref_ptr): Remove updates to vars_to_rename
9298         for virtual uses and defs when creating a replacement vector
9299         reference.  Call duplicate_ssa_name_ptr_info to define points-to
9300         info for vector pointer replacement using STMT_VINFO_PTR_INFO.
9301         (vectorizable_store): copy_virtual_operands and update
9302         definition statements.
9303         (vectorizable_load): copy_virtual_operands.  Remove call to
9304         mark_call_clobbered_vars_to_rename for call to "const" builtin.
9305         * tree-vectorizer.c (vectorize_loops): Remove calls to
9306         rewrite_into_ssa and bitmap_clear (vars_to_rename).
9307         (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
9308         * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
9309         define macro STMT_VINFO_PTR_INFO for use in accessing.
9310         * tree.h add export of duplicate_ssa_name_ptr_info.
9311         * rs6000.c (altivec_init_builtins): Declare builtin function
9312         __builtin_altivec_mask_for_load to be "const".
9313
9314 2005-03-29  Jakub Jelinek  <jakub@redhat.com>
9315
9316         PR middle-end/20622
9317         * cgraph.h (struct cgraph_varpool_node): Add alias field.
9318         * cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call
9319         assemble_variable on aliases.
9320         * varasm.c (assemble_alias): Set node->alias.
9321         * toplev.c (wrapup_global_declarations): Don't call
9322         rest_of_decl_compilation on aliases again.
9323
9324 2005-03-29  Paul Brook  <paul@codesourcery.com>
9325
9326         * config/arm/arm-protos.h (arm_dbx_register_number): Add prototype.
9327         * config/arm/arm.c (arm_dbx_register_number): New function.
9328         * config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define.
9329
9330 2005-03-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
9331
9332         PR middle-end/20263
9333         * varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use
9334         the DECL_NAME, not the DECL_ASSEMBLER_NAME.
9335
9336 2005-03-29  Dale Johannesen <dalej@apple.com>
9337
9338         * Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H)
9339         $(TREE_H) and $(COVERAGE_H).
9340         * coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME.
9341         * opts.c (common_handle_option): Enable tree-based value transforms.
9342         * toplev.c (process_options): Ditto.
9343         * value-prof.h (struct histogram_value_t): Redefine. "Adjust" below
9344         refers to references to this type.
9345         * tree-flow.h: (struct stmt_ann_d): Add histograms field.
9346         * rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks
9347         for may_be_more, may_be_less.
9348         (rtl_gen_pow2_profiler): Adjust.
9349         (rtl_gen_one_value_profiler_no_edge_manip): Adjust.
9350         (rtl_gen_one_value_profiler): Adjust.
9351         (rtl_gen_const_delta_profiler): Adjust.
9352         * tree-profile.c (tree_gen_interval_profiler): Implement.
9353         (tree_gen_pow2_profiler): Ditto.
9354         (tree_gen_one_value_profiler): Ditto.
9355         (tree_profiling): New.
9356         (pass_tree_profile): Reference it.
9357         * value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h,
9358         tree.h, gcov-io.h.
9359         (insn_divmod_values_to_profile): Rename to
9360         rtl_divmod_values_to_profile. Adjust.
9361         (insn_values_to_profile): Rename to rtl_values_to_profile. Adjust.
9362         (insn_prefetch_values_to_profile): Adjust.
9363         (rtl_value_profile_transformations): Adjust.
9364         (gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value.
9365         (gen_mod_pow2): Rename to rtl_mod_pow2.
9366         (gen_mod_subtract): Rename to rtl_mod_subtract.
9367         (divmod_fixed_value_transform): Rename to
9368         rtl_divmod_fixed_value_transform.
9369         (mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform.
9370         (mod_subtract_transform): Rename to rtl_mod_subtract_transform.
9371         (rtl_find_values_to_profile): Adjust.
9372         (tree_value_profile_transformations): Implement.
9373         (tree_divmod_values_to_profile): New.
9374         (tree_values_to_profile): New.
9375         (tree_divmod_fixed_value): New.
9376         (tree_mod_pow2): New.
9377         (tree_mod_subtract): New.
9378         (tree_divmod_fixed_value_transform): New.
9379         (tree_mod_pow2_value_transform): New.
9380         (tree_mod_subtract_transform): New.
9381         (tree_find_values_to_profile): Implement.
9382         * profile.c (instrument_values):  Free histograms.
9383         (compute_value_histograms): Adjust. Implement tree version.
9384
9385 2005-03-29  Uros Bizjak  <uros@kss-loka.si>
9386
9387         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST> case.
9388         * config/i386/i386.c (output_fix_trunc): Add new round_mode
9389         variable.  Output "fldcw" depending on round_mode.
9390         * config/i386/i386.md (UNSPEC_FIST): New.
9391         (fistdi2, fistdi2_with_temp, fist<mode>2, fist<mode>2_with_temp):
9392         New isns patterns to implement lrint and llrint built-ins as x87
9393         intrinsic function.
9394         (fistdi2, fist<mode>2 splitters): New splitters.
9395         (lrint<mode>2): New expanders.
9396
9397 2005-03-28  Ian Lance Taylor  <ian@airs.com>
9398
9399         * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
9400         0 when calling final_scan_insn.
9401
9402 2005-03-28  Jan Hubicka  <jh@suse.cz>
9403
9404         PR middle-end/20635
9405         * varasm.c (mark_decl_referenced): Do not mark extern inline functions
9406         as needed.
9407
9408         * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
9409         types where possible.
9410
9411 2005-03-26  Per Bothner  <per@bothner.com>
9412
9413         Make -f[no-]show-column also control non-cpp diagnostics.
9414         * c.opt (fshow-column): Move option from here ...
9415         * common.opt (fshow-column): ... to here.
9416         * diagnostic.c (diagnostic_build_prefix): Only print column number
9417         if flag_show_column.
9418
9419 2005-03-27  Steven Bosscher  <stevenb@suse.de>
9420
9421         * vax-protos.h (vax_output_int_move, vax_output_int_add,
9422         vax_output_conditional_branch): New prototypes.
9423         * vax.c (vax_output_int_move, vax_output_int_add): New functions,
9424         extracted from vax.md mov and add patterns.
9425         (vax_output_conditional_branch): New function to output conditional
9426         branch instructions.
9427         * vax.md: Use mode macros for arithmetic and mov patterns.
9428         Use code macros for the jump patterns.
9429
9430 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
9431
9432         * Makefile.in (libbackend.o): Depend on version files;
9433         add custom generation command.
9434
9435 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
9436
9437         PR target/20636
9438         * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
9439         sure that we have a REG before getting its REGNO.
9440
9441 2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9442
9443         * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
9444         * builtins.def (BUILT_IN_STRNDUP): New.
9445
9446 2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>
9447
9448         PR tree-optimization/20470
9449         * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
9450         ABS(x-y).
9451
9452 2005-03-25  Mike Stump  <mrs@apple.com>
9453
9454         * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
9455         sized objects.
9456
9457 2005-03-25  Geoffrey Keating  <geoffk@apple.com>
9458
9459         * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
9460         Use our own structure definitions.
9461
9462         * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
9463         (fix_truncdfsi2): Allow registers or memory as destination.
9464         When TARGET_PPC_GFXOPT, generate simplified pattern.
9465         (fix_truncdfsi2_internal): Use define_insn_and_split.
9466         (fix_truncdfsi2_internal_gfxopt): New.
9467         (fctiwz): Don't confuse register allocation by giving it no choices.
9468         (stfiwx): New.
9469         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
9470         (EXTRA_MEMORY_CONSTRAINT): Likewise.
9471         * config/rs6000/rs6000.c (indexed_or_indirect_operand): New.
9472         * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
9473
9474 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
9475
9476         * dominance.c (free_dominance_info): Speed up by freeing et
9477         data structures without maintaining other nodes.
9478         * et-forest.c (et_free_tree_force): New.
9479         * et-forest.h: Add a prototype for et_free_tree_force.
9480
9481         * tree.c (get_set_constructor_bits,
9482         get_set_constructor_bytes): Remove.
9483         * tree.h: Remove the corresponding prototypes.
9484
9485 2005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
9486
9487         PR target/15491
9488         * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
9489         (vax_rtx_costs): Return false when passed unsupported rtx's.  Handle
9490         FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE.  Fix costs for POST_INC,
9491         PRE_DEC, NEG and NOT.
9492
9493 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
9494
9495         * fold-const.c: Convert uses of fold (build (...)) to
9496         fold_buildN.
9497
9498 2005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>
9499
9500         PR rtl-optimization/20249
9501         * cse.c (insert_regs): Do not record equivalence of registers in
9502         different modes.
9503
9504 2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>
9505
9506         * emit-rtl.c (reverse_comparison): Remove.
9507         * rtl.h: Remove the corresponding prototype.
9508
9509 2005-03-24  James E Wilson  <wilson@specifixinc.com>
9510
9511         * doc/install.texi (--enable-altivec): Delete docs.
9512
9513 2005-03-24  David Edelsohn  <edelsohn@gnu.org>
9514
9515         * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
9516         SFmode and DFmode before reload when
9517         flag_unsafe_math_optimizations not enabled.
9518
9519 2005-03-24  Geoffrey Keating  <geoffk@apple.com>
9520
9521         * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
9522
9523         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
9524         MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
9525
9526 2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>
9527
9528         * configure.ac (enable-checking): Add 'runtime' option.
9529         * doc/install.texi (enable-checking): Document 'runtime' checking.
9530         * tsystem.h (gcc_assert, gcc_unreachable): Define.
9531         * config.in: Regenerated.
9532         * configure: Regenerated.
9533
9534 2005-03-23  Uros Bizjak  <uros@kss-loka.si>
9535
9536         * optabs.h (enum optab_index): Remove OTI_llrint.
9537         (llrint_optab): Remove macro.
9538         * optabs.c (init_optabs): Remove llrint_optab initialization.
9539         * genopinit.c (optabs): Remove llrint_optab implementation.
9540         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
9541         using lrint_optab.
9542
9543 2005-03-24  Alexandre Oliva  <aoliva@redhat.com>
9544
9545         PR rtl-optimization/20532
9546         * simplify-rtx.c (simplify_binary_operation_1): Protect from
9547         overflow when adding coefficients for PLUS or MINUS.
9548         (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
9549         two as multiplier.
9550
9551 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
9552
9553         * langhooks.h (truthvalue_conversion): Remove.
9554         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
9555         LANG_HOOKS_TRUTHVALUE_CONVERSION.
9556         * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
9557         * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
9558         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
9559
9560 2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>
9561
9562         * params.def: Fix a typo.
9563         * config/mips/mips.c: Follow the spelling convensions.
9564         * doc/invoke.texi: Fix typos.
9565
9566 2005-03-23  Daniel Berlin  <dberlin@dberlin.org>
9567
9568         Fix PR tree-optimization/20601
9569
9570         * tree-ssa-pre.c (insert_aux): Add missing condition to
9571         constification.
9572
9573 2005-03-23  Ian Lance Taylor  <ian@airs.com>
9574
9575         * final.c (final_scan_insn): Don't remove no-op instructions.
9576         * reload1.c (reload): Remove simple no-op instructions even when
9577         not optimizing.
9578
9579 2005-03-23  Dorit Naishlos  <dorit@il.ib.com>
9580
9581         PR tree-optimization/20501
9582         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
9583         reporting that peeling for alignment is applied moved to...
9584         * (vect_analyze_data_refs_alignment): Here.
9585
9586 2005-03-23  Ian Lance Taylor  <ian@airs.com>
9587
9588         * reorg.c (dbr_schedule): Remove #if 0 code to call final.
9589
9590 2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
9591
9592         * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
9593         Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
9594
9595 2005-03-23  Hans-Peter Nilsson  <hp@axis.com>
9596
9597         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
9598         imply that this is called once, independent of asms in code.
9599         Adjust to now being pased output and input lists.  Mention helper
9600         function decl_overlaps_hard_reg_set_p.
9601         * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
9602         hook_tree_tree_identity and to take three trees, returning third.
9603         * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
9604         prototype.
9605         * stmt.c: include hard-reg-set.h before tree.h.
9606         (decl_overlaps_hard_reg_set_p): New function, broken out from...
9607         (decl_conflicts_with_clobbers_p): Call
9608         decl_overlaps_hard_reg_set_p.
9609         (expand_asm_operands): Pass output and input lists in call to
9610         targetm.md_asm_clobbers.
9611         * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
9612         hook_tree_tree_tree_tree_3rd_identity.
9613         * target.h (struct gcc_target.md_asm_clobbers): Take three tree
9614         parameters.
9615         * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
9616         * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
9617         parameters, first two unused.
9618         * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
9619         parameters.  Only add MOF to clobbers if there's no 'h' mentioned
9620         in constraint letters and MOF is not mentioned as a asm-declared
9621         register in neither of the input and output lists.
9622
9623 2005-03-23  DJ Delorie  <dj@redhat.com>
9624
9625         * optabs.c (expand_binop): Make sure the first subword's result
9626         gets stored.
9627
9628 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
9629
9630         * c-common.c (c_common_truthvalue_conversion): Adjust comment.
9631         Call c_common_truthvalue_conversion rather than
9632         lang_hooks.truthvalue_conversion.
9633         * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
9634         * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
9635         c-typeck.c.
9636         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
9637         c_common_truthvalue_conversion.
9638         * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
9639         c_parser_conditional_expression, c_parser_binary_expression): Call
9640         c_objc_common_truthvalue_conversion.
9641         * c-typeck.c (build_unary_op): Call
9642         c_objc_common_truthvalue_conversion.
9643         (build_conditional_expr): Do not call
9644         lang_hooks.truthvalue_conversion.
9645         (build_binary_op): Call c_common_truthvalue_conversion.
9646         (c_objc_common_truthvalue_conversion): Moved from
9647         c-objc-common.c.  Call default_function_array_conversion instead
9648         of default_conversion.
9649
9650 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
9651
9652         * c-common.h (default_conversion): Remove.
9653         (perform_integral_promotions): Add.
9654         * c-tree.h (default_conversion): Add.
9655         * c-typeck.c (perform_integral_promotions): New, split out from
9656         default_conversion.
9657         * c-common.c (check_case_value): Use perform_integral_promotions,
9658         not default_conversion.
9659         (c_add_case_label): Don't continue processing case label after
9660         found to be pointer.
9661
9662 2005-03-23  Mark Mitchell  <mark@codesourcery.com>
9663
9664         * gcc.c (do_spec_1): Do not add a -L path for a directory in
9665         the prefix list if we have already added a multilib directory
9666         based on that path.
9667         (main): Do not add MD_EXEC_PREFIX to the list of directories to
9668         search with -L.
9669
9670 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
9671
9672         * reload1.c (indirect_symref_ok, reload_obstack): Make them
9673         static.
9674         * reload.h: Remove the prototype for indirect_symref_ok.
9675
9676         * reload1.c (indirect_symref_ok): Make it global.
9677         * reload.h: Add a prototype for indirect_symref_ok.
9678
9679 2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
9680
9681         * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
9682         ashlhi3 expander.
9683
9684 2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
9685
9686         * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
9687
9688 2005-03-22  Daniel Berlin  <dberlin@dberlin.org>
9689
9690         * c-opts.c (c_common_parse_file): Only start/end main source file
9691         if debug hooks says the writer wants it.
9692         * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
9693         member.
9694         (xcoff_debug_hooks): Ditto.
9695         * debug.c (do_nothing_hooks): Ditto.
9696         * debug.h (gcc_debug_hooks): Ditto.
9697         * dwarf2out.c (dwarf2_debug_hooks): Ditto.
9698         * sdbout.c (sdb_debug_hooks): Ditto.
9699         * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
9700
9701 2005-03-22  Mark Mitchell  <mark@codesourcery.com>
9702
9703         * doc/extend.texi: Deprecate C++ min/max operators.
9704
9705 2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>
9706
9707         * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
9708         artificial original candidates.
9709
9710 2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
9711             Jan Hubicka  <jh@suse.cz>
9712             Steven Bosscher <stevenb@suse.de>
9713
9714         * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
9715         call cost based on argument sizes.
9716         (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
9717         inlining.
9718         * params.def: (max-inline-inssn-single): Set to 450.
9719         (max-inline-insns-auto): Set to 90.
9720         (max-inline-insns-recursive): Set to 450
9721         (max-inline-insns-recursive-auto): Set to 450.
9722         (large-function-insns): Set to 2700.
9723         (inline-call-cost): New parameter.
9724         * tree-inline.c (estimate_move_cost): New function.
9725         (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
9726         for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
9727         based on arguments.
9728         * tree-inline.h (estimate_move_cost): Declare.
9729         * invoke.texi: (max-inline-inssn-single): Change default to 450.
9730         (max-inline-insns-auto): Change default to 90.
9731         (max-inline-insns-recursive): Change default to 450
9732         (max-inline-insns-recursive-auto): Change default to 450.
9733         (large-function-insns): Change default to 2700.
9734         (inline-call-cost): Document new parameter.
9735
9736 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
9737
9738         * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
9739         (TARGET_DEFAULT): Delete.
9740         * config/i860/i860.opt: New file.
9741
9742 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
9743
9744         * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
9745         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
9746         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
9747         (frv_sched_lookahead): Delete.
9748         * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
9749         (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
9750         (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
9751         (MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
9752         (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
9753         (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
9754         (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
9755         (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
9756         (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
9757         (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
9758         (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
9759         (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
9760         (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
9761         (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
9762         (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
9763         (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
9764         (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
9765         (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
9766         (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
9767         (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
9768         (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
9769         (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
9770         * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
9771         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
9772         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
9773         (frv_sched_lookahead): Delete.
9774         (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
9775         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
9776         (frv_handle_option): New function.  Move -mcpu= handling from...
9777         (frv_override_options): ...here.  Remove handling of other
9778         TARGET_OPTIONS.
9779         (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
9780         TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
9781         (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
9782         and TARGET_NO_MULTI_CE.
9783         (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
9784         !TARGET_VLIW_BRANCH.
9785         * config/frv/frv.opt: New file.
9786
9787 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
9788
9789         * fold-const.c (fold_ternary): Take decomposed arguments of
9790         CALL_EXPR.
9791         (fold): Update a call to fold_ternary.
9792
9793         * fold-const.c (fold_build1, fold_build2, fold_build3): New.
9794         * tree.h: Add corresponding prototypes.
9795
9796 2005-03-22  Jakub Jelinek  <jakub@redhat.com>
9797
9798         PR target/20561
9799         * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
9800         between jump table and its label.
9801         * final.c (shorten_branches): Handle notes in between ADDR_VEC
9802         resp. ADDR_DIFF_VEC and the label preceeding it.
9803         (final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
9804         is emitted in the right section.
9805
9806 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
9807
9808         * fold-const.c (fold_unary, fold_binary): Update comments
9809         about arguments.
9810
9811 2005-03-22  Hans-Peter Nilsson  <hp@axis.com>
9812
9813         PR rtl-optimization/20527
9814         * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
9815         REG_INC note, test that the register also isn't mentioned in PRED
9816         or SUCC.
9817
9818 2005-03-22  Ben Elliston  <bje@au.ibm.com>
9819
9820         * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
9821         and definition.
9822
9823 2005-03-21  Mike Stump  <mrs@apple.com>
9824
9825         * varasm.c (default_assemble_visibility): Remove extra ().
9826
9827 2005-03-21  Roger Sayle  <roger@eyesopen.com>
9828
9829         PR middle-end/20557
9830         * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
9831         to determine whether a block can be duplicated, rather than test
9832         whether the block contains noncopyable insns ourselves.
9833
9834 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
9835
9836         * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
9837         predicates.
9838
9839 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
9840
9841         * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
9842
9843 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
9844
9845         * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
9846         (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
9847         * config/fr30/fr30.opt: New file.
9848
9849 2005-03-18  Daniel Berlin  <dberlin@dberlin.org>
9850
9851         Fix PR tree-optimization/20542
9852
9853         * tree-flow-inline.h (overlap_subvar): Move to here.
9854         * tree-ssa-operands.c: From here.
9855         * tree-flow.h (overlap_subvar): Declare.
9856         * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
9857         * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
9858         for variables with subvars.
9859
9860 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
9861
9862         PR middle-end/20177
9863         * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
9864         * modulo-sched.c (const_iteration_count): Return on NULL
9865         pre-header.
9866         (print_node_sched_params): Return on NULL dump_file.
9867         (generate_reg_moves): Handle reg-anti dependencies and disregard
9868         closing branch when generating register moves.
9869         (sms_schedule): Mark the SMSed block dirty.
9870         * passes.c (rest_of_handle_sms): Call update_life_info for all
9871         basic-blocks.
9872         * testsuite/gcc.dg/20050321-1.c: New test.
9873
9874 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
9875
9876         * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
9877         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
9878         movqi_internal): Likewise.
9879
9880 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
9881
9882         * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
9883         xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
9884         xtensa_b4const): Delete prototypes.
9885         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
9886         xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
9887         (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
9888         xtensa_extra_constraint): New prototypes.
9889         (add_operand, arith_operand, nonimmed_operand, mem_operand,
9890         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
9891         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
9892         move_operand, const_float_1_operand, fpmem_offset_operand,
9893         branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
9894         * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
9895         (xtensa_b4const_or_zero): ...this.  Change return type to bool and
9896         argument type to HOST_WIDE_INT.
9897         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
9898         xtensa_mask_immediate): Likewise.
9899         (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
9900         Likewise.  Also make these functions static.
9901         (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
9902         (xtensa_const_ok_for_letter_p): New.
9903         (add_operand, arith_operand, nonimmed_operand, mem_operand,
9904         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
9905         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
9906         move_operand, const_float_1_operand, fpmem_offset_operand,
9907         branch_operator, ubranch_operator, boolean_operator): Move to
9908         predicates.md.
9909         (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
9910         (xtensa_mem_offset): Change return type to bool.
9911         (xtensa_extra_constraint): New.
9912         (gen_int_relational): Update type of const_range_p function pointer.
9913         Use xtensa_b4const_or_zero.
9914         * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
9915         xtensa_const_ok_for_letter_p.  Update comments.
9916         (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
9917         (PREDICATE_CODES): Delete.
9918         * config/xtensa/xtensa.md: Include predicates.md.
9919         * config/xtensa/predicates.md: New file.
9920
9921 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
9922
9923         * config/v850/v850-protos.h: Remove the prototypes for
9924         reg_or_int9_operand, reg_or_const_operand,
9925         pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
9926         reg_or_0_operand, reg_or_int5_operand, call_address_operand,
9927         movsi_source_operand, power_of_two_operand,
9928         not_power_of_two_operand, special_symbolref_operand,
9929         pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
9930         register_is_ok_for_epilogue.
9931         * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
9932         reg_or_int9_operand, reg_or_const_operand,
9933         call_address_operand, special_symbolref_operand,
9934         movsi_source_operand, power_of_two_operand,
9935         not_power_of_two_operand, register_is_ok_for_epilogue,
9936         pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
9937         pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
9938         predicates.md.
9939         * config/v850/v850.h (PREDICATE_CODES): Remove.
9940         * config/v850/v850.md: Include predicates.md.
9941         * config/v850/predicates.md: New.
9942
9943 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
9944
9945         * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
9946         (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
9947         (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
9948         (itoolsdir, itoolsdatadir): Move definition above new first use.
9949         (install-itoolsdirs): New rule.
9950         (install-mkheaders): Depend on install-itoolsdirs, not
9951         install-include-dir.
9952
9953 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
9954
9955         * tree-into-ssa.c: Remove obsolete comments.
9956
9957 2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
9958
9959         * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
9960         unrolling if -fpeel-loops is specified, too.
9961         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
9962         Remove superfluous check for flag_unroll_loops.
9963
9964 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
9965
9966         * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
9967         (lrint_optab, llrint_optab): Define corresponding macros.
9968         * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
9969         * genopinit.c (optabs): Implement lrint_optab using lrintsi2
9970         pattern and llrint_optab using llrintdi2 patterns.
9971         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
9972         using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
9973         (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
9974         BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
9975         flag_unsafe_math_optimizations is set.
9976
9977 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
9978
9979         * combine.c (combine_simplify_rtx, simplify_if_then_else,
9980         simplify_logical, if_then_else_cond, known_cond,
9981         simplify_comparison): Adjust calls to reverse_comparison.
9982         Don't use combine_reversed_comparison_code).
9983         (combine_reversed_comparison_code): Remove.
9984         (reversed_comparison): Using reversed_comparison_code, move it...
9985         * jump.c (reversed_comparison): ... here.
9986         * rtl.h (reversed_comparison): Add prototype.
9987
9988 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
9989
9990         * builtins.c (fold_builtin): Take decomposed arguments of
9991         CALL_EXPR.
9992         * fold-const.c (fold_ternary): Update a call to fold_builtin.
9993         * gimplify.c (gimplify_call_expr): Likewise.
9994         * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
9995         * tree.h: Update the prototype of fold_builtin.
9996
9997 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
9998
9999         * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
10000         * rtlhooks.c (gen_lowpart_no_emit_general): New.
10001         * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
10002         (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
10003         * simplify-rtx.c (simplify_binary_operation_1): Use it.
10004
10005 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
10006
10007         * builtins.c (fold_builtin_1): Take decomposed arguments of
10008         CALL_EXPR.
10009         (fold_builtin): Update a call to fold_builtin_1.
10010
10011 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
10012
10013         PR other/20564
10014         * gcov.c (output_lines): Only output function block summary when
10015         outputting branch information.
10016         * doc/gcov.texi: Document format of preamble and additional block
10017         information lines.
10018
10019 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
10020
10021         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
10022         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
10023         the defaults false if BITS_PER_UNIT != 8.
10024         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
10025         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
10026         than BITS_PER_UNIT != 8.
10027         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
10028         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
10029         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
10030         #undefs.
10031         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
10032         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
10033
10034 2005-03-20  Roger Sayle  <roger@eyesopen.com>
10035
10036         PR middle-end/20539
10037         * fold-const.c (fold_binary): Fix type mismatch between
10038         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
10039         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
10040         for non-truth-valued expressions.
10041
10042         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
10043         and FUNCTION_DECL in the main switch.
10044         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
10045         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
10046         we also need to convert their operands to match.
10047         <TRUTH_NOT_EXPR>: Likewise.
10048
10049 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
10050
10051         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
10052         diagnostic without checking whether an lvalue.
10053         * c-common.h (lvalue_p): Remove.
10054         (enum lvalue_use): Update comment.
10055         (lvalue_or_else): Replace by lvalue_error.
10056         * c-typeck.c (lvalue_p): Make static.
10057         (lvalue_or_else): New.  Call lvalue_error.
10058
10059 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
10060
10061         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
10062         (function_arg_advance): Use rs6000_parm_start.
10063         (function_arg, rs6000_arg_partial_bytes): Likewise.
10064
10065 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
10066
10067         * c-common.c (check_case_value): Adjust comment about stripping
10068         NOPs.
10069         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
10070         * c-typeck.c (default_conversion, convert_arguments,
10071         build_modify_expr, convert_for_assignment, store_init_value,
10072         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
10073         manually.  Remove inaccurate comments.
10074
10075 2005-03-20  Roger Sayle  <roger@eyesopen.com>
10076             Joseph S. Myers  <joseph@codesourcery.com>
10077
10078         * varasm.c (do_assemble_alias): Restore comment describing function.
10079         Annotate the target parameter as potentially unused.
10080
10081 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
10082
10083         PR target/18551
10084         * config/avr/avr.c (avr_output_function_prologue): Do not use
10085         current_function_name() in a label, use a local label instead.
10086
10087 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
10088
10089         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
10090         flag_finite_math_only, not flag_unsafe_math_optimizations.
10091
10092 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
10093
10094         * builtins.c (fold_builtin_1): Update a call to
10095         targetm.fold_builtin.
10096         * hooks.c (hook_tree_tree_bool_null): Rename to
10097         hook_tree_tree_tree_bool_null.  Take one more argument of type
10098         tree.
10099         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
10100         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
10101         hook_tree_tree_tree_bool_null.
10102         * target.h (gcc_target): Update the prototype of fold_builtin.
10103         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
10104         arguments of CALL_EXPR.
10105         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
10106         new prototype.
10107
10108 2005-03-20  Jan Hubicka  <jh@suse.cz>
10109
10110         * cgraph.h (cgraph_node): Add prev_clone pointer.
10111         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
10112         (cgraph_clone_node): Produce doubly linked chain.
10113
10114 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
10115
10116         * c-common.c (handle_aligned_attribute, check_function_sentinel,
10117         get_nonnull_operand, handle_sentinel_attribute,
10118         check_function_arguments_recurse): Do not strip NOPS from
10119         INTEGER_CSTs.
10120         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
10121         Likewise.
10122         * c-format.c (get_constant): Likewise.
10123         * c-parser.c (c_parser_postfix_expression): Likewise.
10124         * c-typeck.c (set_init_index): Likewise.
10125         (convert_arguments): Don't check for NOP_EXPR containing integer
10126         constant.
10127
10128 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
10129
10130         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
10131         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
10132         Take decomposed arguments of CALL_EXPR.
10133         (fold_builtin_1): Update calls to the functions mentioned
10134         above.
10135
10136 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
10137
10138         * c-decl.c (check_bitfield_type_and_width): Require bit-field
10139         width to have integer type.
10140         (build_enumerator): Require enumerator value to have integer type.
10141
10142 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
10143
10144         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
10145         to __builtin_inff.
10146
10147 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
10148
10149         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
10150         std=iso9899:199x): Correct descriptions.
10151
10152 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
10153
10154         * config.gcc: Consistently use solaris2.1[0-9]* instead of
10155         solaris2.1[0-9].
10156
10157 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
10158
10159         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
10160         of CALL_EXPR.
10161         (expand_builtin_memcpy, fold_builtin_1): Update calls to
10162         fold_builtin_memcpy.
10163
10164         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
10165         arguments of CALL_EXPR.
10166         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
10167         fold_builtin_found, fold_builtin_1): Update calls to
10168         fold_trunc_transparent_mathfn.
10169
10170 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10171
10172         PR middle-end/20493
10173         * fold-const.c (fold_widened_comparison): Don't optimize casts of
10174         function pointers on targets that require function pointer
10175         canonicalization.
10176         (fold_sign_changed_comparison): Likewise.
10177
10178 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
10179
10180         * combine.c (try_combine): When changing the mode of a hard reg, make
10181         sure that doing so is valid.
10182
10183 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
10184
10185         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
10186         (TARGET_HANDLE_OPTION): Override default.
10187         (avr_handle_option): New function.
10188         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
10189         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
10190         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
10191         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
10192         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
10193         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
10194         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
10195         (TARGET_OPTIONS): Delete.
10196         * config/avr/avr.opt: New file.
10197
10198 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
10199
10200         * config/m32r/m32r-protos.h: Remove the prototypes for
10201         call_address_operand, symbolic_operand, seth_add3_operand,
10202         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
10203         reg_or_uint16_operand, reg_or_cmp_int16_operand,
10204         two_insn_const_operand, move_src_operand,
10205         move_double_src_operand, move_dest_operand,
10206         eqne_comparison_operator, signed_comparison_operator,
10207         large_insn_p, conditional_move_operand, carry_compare_operand,
10208         m32r_block_immediate_operand, extend_operand,
10209         reg_or_eq_int16_operand, int8_operand, and
10210         reg_or_zero_operand.
10211         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
10212         seth_add3_operand, int8_operand, cmp_int16_operand,
10213         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
10214         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
10215         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
10216         move_double_src_operand, move_dest_operand,
10217         eqne_comparison_operator, signed_comparison_operator,
10218         extend_operand, small_insn_p, large_insn_p,
10219         conditional_move_operand, carry_compare_operand,
10220         m32r_block_immediate_operand): Move to predicates.md.
10221         (MAX_MOVE_BYTES): Move to m32r.h.
10222         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
10223         * config/m32r/m32r.md: Include predicates.md.
10224         * config/m32r/predicates.md: New.
10225
10226 2005-03-18  James E Wilson  <wilson@specifixinc.com>
10227
10228         PR c++/19769
10229         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
10230         origin.
10231
10232 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
10233
10234         * config/mn10300/mn10300-protos.h: Remove the prototypes for
10235         call_address_operand, const_8bit_operand.
10236         * config/mn10300/mn10300.c (call_address_operand,
10237         const_8bit_operand, const_1f_operand): Move to predicates.md.
10238         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
10239         * config/mn10300/mn10300.md: Include predicates.md.
10240         * config/mn10300/predicates.md: New.
10241
10242 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
10243
10244         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
10245         declarations in diagnostics and %E for identifiers, not %s.
10246
10247 2005-03-18  Jan Hubicka  <jh@suse.cz>
10248             Dale Johannesen  <dalej@apple.com>
10249
10250         * basic-block.h (scale_bbs_frequencies_int,
10251         scale_bbs_frequencies_gcov_type): Declare.
10252         * cfg.c (RDIV): New macro.
10253         (update_bb_frequency_for_threading): Fix.
10254         * basic-block.h (scale_bbs_frequencies_int,
10255         scale_bbs_frequencies_gcov_type): New.
10256         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
10257         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
10258         scale_bbs_frequencies_int.
10259         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
10260
10261 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
10262
10263         * config/m32r/m32r-protos.h: Remove the prototypes for
10264         call_address_operand, symbolic_operand, seth_add3_operand,
10265         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
10266         reg_or_uint16_operand, reg_or_cmp_int16_operand,
10267         two_insn_const_operand, move_src_operand,
10268         move_double_src_operand, move_dest_operand,
10269         eqne_comparison_operator, signed_comparison_operator,
10270         large_insn_p, conditional_move_operand, carry_compare_operand,
10271         m32r_block_immediate_operand, extend_operand,
10272         reg_or_eq_int16_operand, int8_operand, and
10273         reg_or_zero_operand.
10274         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
10275         seth_add3_operand, int8_operand, cmp_int16_operand,
10276         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
10277         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
10278         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
10279         move_double_src_operand, move_dest_operand,
10280         eqne_comparison_operator, signed_comparison_operator,
10281         extend_operand, small_insn_p, large_insn_p,
10282         conditional_move_operand, carry_compare_operand,
10283         m32r_block_immediate_operand): Move to predicates.md.
10284         (MAX_MOVE_BYTES): Move to m32r.h.
10285         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
10286         * config/m32r/m32r.md: Include predicates.md.
10287         * config/m32r/predicates.md: New.
10288
10289         * config/pa/pa-protos.h: Add prototypes for magic_milli and
10290         shadd_constant_p.
10291         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
10292         symbolic_operand, symbolic_memory_operand,
10293         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
10294         indexed_memory_operand, move_dest_operand, move_src_operand,
10295         prefetch_cc_operand, prefetch_nocc_operand,
10296         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
10297         arith_operand, arith11_operand, pre_cint_operand,
10298         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
10299         ireg_operand, int5_operand, uint5_operand, int11_operand,
10300         uint32_operand, arith5_operand, and_operand, ior_operand,
10301         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
10302         pc_or_label_operand, div_operand, plus_xor_ior_operator,
10303         shadd_operand, movb_comparison_operator,
10304         cmpib_comparison_operator): Move to predicates.md.
10305         (magic_milli, shadd_constant_p): Make it extern.
10306         * config/pa/pa.h (PREDICATE_CODES): Remove.
10307         * config/pa/pa.md: Include predicates.md.
10308         * config/pa/predicates.md: New.
10309
10310         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
10311         predicate.
10312
10313 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
10314
10315         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
10316         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
10317         config/alpha/freebsd.h, config/alpha/linux.h,
10318         config/alpha/netbsd.h, config/alpha/osf5.h,
10319         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
10320         config/h8300/h8300-protos.h, config/h8300/h8300.c,
10321         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
10322         doc/cppopts.texi: Update copyright.
10323
10324 2005-03-18  Jan Hubicka  <jh@suse.cz>
10325
10326         PR middle-end/20225
10327         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
10328         too late.
10329         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
10330         called too late.
10331
10332 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
10333
10334         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
10335         VEC_safe_push.
10336
10337 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
10338
10339         * combine.c (gen_binary): Remove.
10340         (known_cond, simplify_shift_const, find_split_point,
10341         combine_simplify_rtx, simplify_if_then_else, simplify_set,
10342         simplify_logical, expand_field_assignment, extract_left_shift,
10343         force_to_mode, if_then_else_cond, apply_distributive_law,
10344         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
10345         simplify_comparison, reversed_comparison): Replace with
10346         simplify_gen_binary, simplify_gen_relational or
10347         distribute_and_simplify_rtx.
10348         (distribute_and_simplify_rtx): New function.
10349
10350 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
10351             Paolo Bonzini  <gcc.gnu.org>
10352
10353         * calls.c (setjmp_call_p, special_function_p): Update comments
10354         at the head of the functions.
10355
10356 2005-03-18  Jan Hubicka  <jh@suse.cz>
10357
10358         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
10359
10360         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
10361         function body should be released; do not proactively release function
10362         bodies in non-unit-at-a-time mode.
10363
10364 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
10365
10366         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
10367         mno-fp-ret-in-387 multilib variants.
10368
10369 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
10370
10371         * common.opt (m): Remove.
10372         * opts.c (handle_option): Pass 'm' options to set_target_switch if
10373         table lookup fails.
10374         (common_handle_option): Remove OPT_m case.
10375
10376 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
10377
10378         * builtins.c (fold_builtin_bitop): Take decomposed arguments
10379         of CALL_EXPR.
10380         (fold_builtin_1): Update a call to fold_builtin_bitop.
10381
10382         * builtins.c (fold_builtin_signbit): Take decomposed arguments
10383         of CALL_EXPR.
10384         (fold_builtin_1): Update a call to fold_builtin_signbit.
10385
10386 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
10387
10388         PR tree-optimization/20474
10389         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
10390         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
10391
10392 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
10393
10394         * config/h8300/h8300-protos.h: Remove prototypes for
10395         general_operand_src, general_operand_dst, single_one_operand,
10396         single_zero_operand, call_insn_operand,
10397         two_insn_adds_subs_operand, small_call_insn_operand,
10398         jump_address_operand, bit_operand, bit_memory_operand,
10399         stack_pointer_operand, const_int_gt_2_operand,
10400         const_int_ge_8_operand, const_int_qi_operand,
10401         const_int_hi_operand, incdec_operand, bit_operator,
10402         nshift_operator, eqne_operator, gtle_operator,
10403         gtuleu_operator, iorxor_operator.
10404         Add prototypes for h8sx_shift_type h8sx_classify_shift and
10405         h8300_ldm_stm_parallel.
10406         * config/h8300/h8300.c (h8sx_shift_type,): Move to
10407         h8300-protos.h.
10408         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
10409         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
10410         (h8300_ldm_stm_parallel): Make it extern.
10411         (h8300_ldm_parallel, h8300_stm_parallel,
10412         h8300_return_parallel, general_operand_src,
10413         general_operand_dst, h8300_dst_operand, h8300_src_operand,
10414         nibble_operand, reg_or_nibble_operand, single_one_operand,
10415         single_zero_operand, call_insn_operand,
10416         two_insn_adds_subs_operand, small_call_insn_operand,
10417         jump_address_operand, bit_operand, bit_memory_operand,
10418         stack_pointer_operand, const_int_gt_2_operand,
10419         const_int_ge_8_operand, const_int_qi_operand,
10420         const_int_hi_operand, incdec_operand, eqne_operator,
10421         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
10422         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
10423         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
10424         nshift_operator): Move to predicates.md.
10425         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
10426         * config/h8300/h8300.md: Include predicates.md.
10427         * config/h8300/predicates.md: New.
10428
10429 2005-03-17  Richard Henderson  <rth@redhat.com>
10430
10431         * config.gcc (ia64*-*-hpux*): Add extra_options.
10432         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
10433         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
10434         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
10435         (ia64_tls_size_string, ia64_tune_string): Remove.
10436         (ia64_tune): Init to PROCESSOR_ITANIUM2.
10437         (TARGET_DEFAULT_TARGET_FLAGS): New.
10438         (TARGET_HANDLE_OPTION): New.
10439         (ia64_override_options): Move options parsing ...
10440         (ia64_handle_option): ... here.  New.
10441         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
10442         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
10443         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
10444         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
10445         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
10446         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
10447         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
10448         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
10449         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
10450         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
10451         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
10452         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
10453         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
10454         TARGET_EARLY_STOP_BITS): Remove.
10455         (TARGET_ILP32): Default false.
10456         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
10457         (enum ia64_inline_type): New.
10458         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
10459         * config/ia64/ia64.md: Update for new definitions of
10460         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
10461         * config/ia64/ia64.opt: New file.
10462         * config/ia64/ilp32.opt: New file.
10463
10464 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
10465
10466         PR target/18380
10467         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
10468
10469 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
10470
10471         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
10472         instead of MASK_H8300S.
10473         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
10474         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
10475         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
10476         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
10477         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
10478         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
10479         TARGET_SWITCHES): Remove.
10480         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
10481         TARGET_H8300SX.
10482         * config/h8300/h8300.opt: New.
10483
10484         * config/alpha/alpha.opt, config/arc/arc.opt,
10485         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
10486         notices.
10487
10488 2005-03-17  Ian Lance Taylor  <ian@airs.com>
10489
10490         * gmon.c: Remove.
10491
10492 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
10493
10494         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
10495         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
10496         (TARGET_HANDLE_OPTION): Override default.
10497         (arc_handle_option): New function.
10498         (arc_init): Remove code to set arch_cpu_string.
10499         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
10500         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
10501         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
10502         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
10503         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
10504         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
10505         (arc_rodata_string, TARGET_OPTIONS): Delete.
10506         * config/arc/arc.opt: New file.
10507
10508 2005-03-17  Richard Henderson  <rth@redhat.com>
10509
10510         * doc/extend.texi (Weak Pragmas): New section.
10511         (attribute alias): Clarify that target must be in the same
10512         translation unit.
10513
10514 2005-03-17  Richard Henderson  <rth@redhat.com>
10515
10516         * config/alpha/alpha.opt: New file.
10517         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
10518         of alpha_cpu.
10519         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
10520         alpha_fprm_string, alpha_fptm_string): Make static.
10521         (alpha_tls_size_string): Remove.
10522         (alpha_handle_option): New.
10523         (override_options): Update for alpha_cpu/alpha_tune split.
10524         (alpha_file_start): Likewise.
10525         (TARGET_DEFAULT_TARGET_FLAGS): New.
10526         (TARGET_HANDLE_OPTION): New.
10527         * config/alpha/alpha.h (alpha_tune): Declare.
10528         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
10529         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
10530         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
10531         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
10532         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
10533         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
10534         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
10535         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
10536         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
10537         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
10538         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
10539         (TARGET_DEFAULT): Remove MASK_FP.
10540         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
10541         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
10542         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
10543         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
10544         alpha_tls_size_string): Remove.
10545         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
10546         (attribute tune): Rename from attribute cpu.
10547         * config/alpha/ev4.md: Update to match.
10548         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
10549         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
10550         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
10551         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
10552         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
10553         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
10554
10555 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
10556
10557         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
10558         and return without creating new state if before_nops_num is nonzero.
10559         * config/ia64/ia64.md (first_insn): New attribute.
10560         (alloc): Set it to yes.
10561
10562 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
10563
10564         * tree-vectorizer.c (new_vec_stmt_info): Initialize
10565         STMT_VINFO_SUBVARS to NULL.
10566         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
10567
10568 2005-03-16 Dale Johannesen  <dalej@apple.com>
10569
10570         * rtlanal.c (find_first_parameter_load):  Rewrite to
10571         return actual first param load or the call if none,
10572         instead of first in block, when not all loads exist.
10573
10574 2005-03-16  Roger Sayle  <roger@eyesopen.com>
10575
10576         * optabs.c (expand_copysign_absneg): Make static.
10577         * optabs.h (expand_copysign_absneg): Delete prototype.
10578         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
10579
10580 2005-03-16  Richard Henderson  <rth@redhat.com>
10581
10582         PR middle-end/15700
10583         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
10584         (alias_pairs): Rename from output_defs.
10585         (find_decl_and_mark_needed): Split out from assemble_alias.
10586         (do_assemble_alias): New.
10587         (assemble_output_def): Remove.
10588         (finish_aliases_1, finish_aliases_2): New.
10589         (process_pending_assemble_output_defs): Remove.
10590         (assemble_alias): Defer aliases for which we don't yet have a
10591         non-external decl for the target symbol.
10592         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
10593         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
10594         * toplev.c (compile_file): Use finish_aliases_2 instead of
10595         process_pending_assemble_output_defs.
10596         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
10597         (process_pending_assemble_output_defs): Remove.
10598
10599 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
10600
10601         Fix PR tree-optimization/20489
10602
10603         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
10604         for empty structures.
10605
10606 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
10607
10608         Fix PR tree-optimization/20490
10609
10610         * tree-ssa-pre.c (create_expression_by_pieces): Use
10611         force_gimple_operand on result of fold.
10612
10613 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
10614
10615         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
10616         of closing parenthesis.
10617
10618 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
10619
10620         * builtins.c (expand_movstr): Update a call to
10621         fold_builtin_strcpy.
10622         (expand_builtin_strncpy): Update a call to
10623         fold_builtin_strncpy.
10624         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
10625         arguments of CALL_EXPR.
10626         (fold_builtin_1): Update calls to fold_builtin_strcpy and
10627         fold_builtin_strncpy.
10628         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
10629         * tree.h: Update the prototypes of fold_builtin_strcpy and
10630         fold_builtin_strncpy.
10631
10632 2005-03-16  Steven Bosscher  <stevenb@suse.de>
10633             Dorit Naishlos  <dorit@il.ibm.com>
10634
10635         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
10636         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
10637         error.
10638
10639 2005-03-16  Steven Bosscher  <stevenb@suse.de>
10640
10641         * tree-inline.c (walk_type_fields, walk_tree,
10642         walk_tree_without_duplicates): Move from here...
10643         * tree.c: ...to here.
10644
10645 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
10646
10647         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
10648         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
10649         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
10650         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
10651         (version): Define using $(BASEVER_c).
10652         (Makefile, config.status, build/gcov-iov.o): No longer depends on
10653         version.c.
10654         (version.o): Depend on version files; add custom generation command.
10655         (prefix.o): Define BASEVER on command line.
10656         (s-iov): Depend on version files; adjust command.
10657         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
10658         Add gcc-vers.texi.
10659         (gcc-vers.texi): New rule.
10660         (doc/%.info, doc/%.dvi): Add -I . to command line.
10661         (doc/gccinstall.dvi): Likewise.
10662         (PACKAGE): Delete.  All uses replaced with "gcc".
10663         * aclocal.m4: Do not include gcc-version.m4.
10664         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
10665         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
10666         Set is_release based on contents of DEV-PHASE.
10667         Set gcc_version based on contents of BASE-VER.
10668         Define WIN32_REGISTRY_KEY only if the user overrode the default.
10669         * config.in, configure: Regenerate.
10670         * gccbug.in: Determine version of GCC in use at runtime.
10671         * gcov-iov.c: Get version number and development phase from
10672         command line, not by including version.c.
10673         * intl.c: Replace all uses of PACKAGE with "gcc".
10674         * libada-mk.in: Delete unused "gcc_version" variable.
10675         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
10676         * version.c: (VERSUFFIX): New hook for redistributors; adjust
10677         commentary to match.
10678         (version_string): Put together from pieces.
10679         * config/alpha/x-vms: Do not use $(gcc_version).
10680         * config/i386/t-nwld: Likewise.
10681         * doc/include/gcc-common.texi: Include gcc-vers.texi for
10682         version-GCC and DEVELOPMENT.
10683
10684 2005-03-15  Roger Sayle  <roger@eyesopen.com>
10685
10686         PR tree-optimization/17454
10687         * tree.c (tree_size): Add case for TREE_BINFO.
10688         * fold-const.c (fold_checksum_tree): Only clear the overloaded
10689         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
10690
10691 2005-03-15  Roger Sayle  <roger@eyesopen.com>
10692
10693         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
10694         op1 whilst expanding the signed widenening multiply variant.
10695
10696 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
10697
10698         * toplev.c (display_target_options): Avoid unused variable warning if
10699         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
10700         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
10701         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
10702         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
10703         (mips_isa_info): New variable.
10704         (mips_parse_cpu): Remove the first argument and leave the caller
10705         to report errors.
10706         (TARGET_HANDLE_OPTION): Override default.
10707         (mips_handle_option): New function.  Move option validation code from...
10708         (override_options): ...here.  Update calls to mips_parse_cpu.
10709         * config/mips/mips.h (mips_arch_string, mips_tune_string)
10710         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
10711         (SUBTARGET_TARGET_OPTIONS): Delete.
10712         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
10713         (mno-flush-func, mtune=): New options.
10714
10715 2005-03-15  Roger Sayle  <roger@eyesopen.com>
10716             Richard Henderson  <rth@redhat.com>
10717
10718         * real.c (c4x_single_format, c4x_extended_format): Provide values
10719         for signbit_ro for c4x's single and extended floating point formats.
10720         * optabs.c (expand_copysign): Use the floating point format's
10721         signbit_ro for expanding via expand_copysign_absneg, and it's
10722         signbit_rw field for expanding via expand_copysign_bit.
10723
10724 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
10725
10726         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
10727         known_alignment_for_access_p.
10728         (known_alignment_for_access_p): New.
10729         (do_peeling_for_alignment): Field made int instead of bool and renamed
10730         to peeling_for_alignment.
10731         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
10732         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
10733         functionality used to be in vect_analyze_operations.
10734         (vect_analyze_operations): Code to determine vectorization factor was
10735         moved to vect_determine_vectorization_factor.
10736         (vect_enhance_data_refs_alignment): Update to correct alignment when it
10737         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
10738         factor.
10739         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
10740         be part of vect_analyze_operations).
10741         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
10742         creating the guard condition, as the number of iterations may be
10743         constant.
10744         (slpeel_tree_peel_loop_to_edge): Use new name of
10745         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
10746         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
10747         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
10748         (vect_do_peeling_for_alignment): Use fold.
10749         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
10750
10751         (vect_update_inits_of_dr): Renamed to
10752         vect_update_init_of_dr.
10753         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
10754         (vectorizable_store): Fix assertion to use == instead of =.
10755
10756 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
10757
10758         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
10759         call_used_regs for wCG registers.
10760
10761 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
10762
10763         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
10764         for non-offsettable memory references to cope with outstanding reload
10765         replacements, take 2.
10766
10767 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
10768
10769         PR target/18668
10770         * config/i386/i386.h (x86_fisttp): New.
10771         (TARGET_FISTTP): New macro.
10772         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
10773         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
10774         instruction when fisttp flag is set.
10775         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
10776
10777         * config/i386/i386.md (type attribute): Add fisttp.
10778         (unit attribute): Set to i387 for fisttp type.
10779         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
10780         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
10781         TARGET_FISTTP.
10782         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
10783         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
10784         macros.
10785         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
10786         patterns for TARGET_FISTTP.  Enable patterns for
10787         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
10788         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
10789         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
10790         implement fisttp x87 insn.
10791         (fix_trunc*_i387_fisttp splitters): New patterns.
10792         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
10793         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
10794         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
10795         clobber.
10796         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
10797         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
10798         Implement using mode macros. Disable patterns for TARGET_FISTTP.
10799         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
10800         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
10801         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
10802         Disable patterns for TARGET_FISTTP.
10803         (fix_trunc*_i387 splitters): Implement usign mode macros.
10804         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
10805         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
10806         (fix_trunx*_sse peephole2s): Implement using mode macros.
10807
10808 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
10809
10810         PR rtl-optimization/20291
10811         * combine.c (try_combine): If splitting fails, re-try with
10812         original combined pattern, i.e. before clobber stripping.
10813
10814 2005-03-14  Eric Christopher  <echristo@redhat.com>
10815
10816         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
10817         STACK_GROWS_DOWNWARD.
10818
10819 2005-03-14  Roger Sayle  <roger@eyesopen.com>
10820
10821         * real.h (struct real_format): Split the signbit field into two
10822         two fields, signbit_ro and signbit_rw.
10823         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
10824         mips_double_format, ieee_extended_motorola_format,
10825         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
10826         ieee_extended_intel_128_format, ibm_extended_format,
10827         mips_extended_format, ieee_quad_format, mips_quad_format,
10828         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
10829         i370_double_format, c4x_single_format, c4x_extended_format,
10830         real_internal_format): Update initializers for new field.
10831         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
10832         real_format structure.
10833         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
10834         field of the real_format structure.
10835
10836 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
10837
10838         Fix PR tree-optimization/20458
10839
10840         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
10841         DECL_EXTERNAL on STRUCT_FIELD tags.
10842         (clear_call_clobbered): Ditto.
10843         * tree-ssa-operands.c (note_addressable): Make sure the original
10844         variable doesn't slip into the addressable list if we have
10845         subvars.
10846         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
10847         tags too.
10848
10849 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
10850
10851         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
10852         (-fwide-exec-charset): Likewise.
10853         (-finput-charset): Likewise.
10854         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
10855         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
10856         * c.opt (Wnormalized): New.
10857
10858 2005-03-14  Devang Patel  <dpatel@apple.com>
10859
10860         * doc/invoke.texi: Add reference to Visibility document.
10861
10862 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
10863
10864         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
10865         MASK_SPLIT_ADDRESSES.
10866         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
10867         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
10868         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
10869         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
10870         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
10871         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
10872         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
10873         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
10874         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
10875         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
10876         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
10877         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
10878         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
10879         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
10880         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
10881         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
10882         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
10883         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
10884         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
10885         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
10886         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
10887         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
10888         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
10889         (TARGET_EXPLICIT_RELOCS): Delete.
10890         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
10891         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
10892         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
10893         (override_options): Set MASK_LONG64 if -mint64 is given and no
10894         -mlongXX option is.  Complain about -mint64 -mlong32.
10895         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
10896         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
10897         * config/mips/mips.opt: New file.
10898
10899 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
10900
10901         * config.gcc (extra_options): New variable for listing option files.
10902         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
10903         * configure.ac (extra_opt_files): New AC_SUBST variable.
10904         (tm_file_list, tm_include_list): Include options.h first.
10905         * configure: Regenerate.
10906         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
10907         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
10908         (s-options-h): New rule.
10909         (options.h): Depend on it.
10910         (TEXI_GCCINT_FILES): Add options.texi.
10911         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
10912         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
10913         * target.h (gcc_target): Add default_target_flags and handle_option.
10914         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
10915         (TARGET_HANDLE_OPTION): New macros.
10916         (TARGET_INITIALIZER): Include them.
10917         * opt-functions.awk (opt_args, nth_arg): New functions.
10918         (switch_flags): Handle the "Target" flag.
10919         (var_args): Delete.
10920         (var_name): Use opt_args and nth_arg.
10921         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
10922         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
10923         macros for the "Mask" and "InverseMask" options.
10924         * opts.h (cl_var_cond): New enum.
10925         (cl_option): Replace the "has_set_value" and "set_value" fields with
10926         "var_cond" and "var_value".
10927         (CL_TARGET): New macro.
10928         (option_enabled, print_filtered_help): Declare.
10929         (decode_options): Move definition.
10930         * opts.c (handle_option): Search for the original option before
10931         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
10932         var_cond and var_value fields.  Use targetm.handle_option to handle
10933         target options.
10934         (decode_options): Set target_flags to targetm.default_target_flags.
10935         (print_filtered_help): Make global.  Handle CL_TARGET.
10936         (option_enabled): New function.
10937         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
10938         (display_target_options, set_target_switch, print_switch_values)
10939         (default_pch_valid_p): Guard uses of target_switches with
10940         #ifdef TARGET_SWITCHES.  Also...
10941         (display_target_options): Display the CL_TARGET entries in cl_options.
10942         (set_target_option): Don't complain about the "" option when
10943         TARGET_SWITCHES is undefined.
10944         (print_switch_values): Use option_enabled.
10945         (default_pch_valid_p): Check cl_options[] when looking for something
10946         that has changed the value of target_flags.
10947         * c.opt: Remove documentation from top of file.
10948         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
10949         * doc/sourecebuild.texi: Refer to the new options documentation
10950         instead of c.opt.  Document machine-specific .opt files.
10951         * doc/tm.texi (target_flags): Say that this variable is declared
10952         by options.h.
10953         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
10954         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
10955         an alternative.
10956         * doc/options.texi: New file.
10957
10958 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
10959
10960         PR middle-end/18628
10961         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
10962         register.
10963
10964 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
10965
10966         PR c++/20280
10967         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
10968         temporary variable of pointer type if an lvalues is required.
10969         (gimplify_modify_expr_rhs): Request an rvalue from it.
10970         (gimplify_expr): Pass fallback on.
10971
10972 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
10973
10974         * cfgbuild.c: Update comments.
10975
10976 2005-03-14  Roger Sayle  <roger@eyesopen.com>
10977
10978         PR rtl-optimization/17236
10979         * optabs.c (expand_doubleword_mult): New helper function split out
10980         from expand_binop.  Permute the order in which instructions are
10981         emitted to minimize the number of simultaneously live registers.
10982         (expand_binop): Call expand_doubleword_mult to synthesize a double
10983         word multiplication.
10984
10985 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
10986
10987         * basic-block.h: Update the prototypes of cached_make_edge and
10988         rtl_make_eh_edge.
10989         * cfg.c (cached_make_edge): Take edge_cache representing one
10990         row of the adjacency matrix of edges.
10991         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
10992         (make_edges): Initialize edge_cache to represent one row of
10993         the adjacency matrix of edges.
10994
10995 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
10996
10997         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
10998         New functions.
10999         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
11000         Remove unused removed_phis variable.
11001         (conditional_replacement): Use build1/build2.
11002         (abs_replacement): Use last_and_only_stmt and build1/build2.
11003
11004 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
11005
11006         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
11007         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
11008         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
11009         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
11010         * c-common.c (handle_novops_attribute): New function.
11011         (c_common_attribute_table): Add "no vops" entry.
11012         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
11013         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
11014         * tree-ssa-operands.c (get_call_expr_operands): Do not
11015         create virtual operands for calls with ECF_NOVOPS flag.
11016         * tree.h (DECL_IS_NOVOPS): New macro.
11017         (struct tree_decl): Add novops_flag.
11018         (ECF_NOVOPS): New constant.
11019
11020 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
11021
11022         PR target/17688
11023         * config/i386/i386.c (x86_use_himode_fiop): New.
11024         (x86_use_simode_fiop): Rename from x86_use_fiop.
11025         * config/i386/i386.h (x86_use_himode_fiop): Declare.
11026         (TARGET_USE_HIMODE_FIOP): New.
11027         (x86_use_simode_fiop): Rename from x86_use_fiop.
11028         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
11029
11030         * config/i386/i386.md (X87MODEI12): New mode macro define.
11031         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
11032         to implement x87 FP compare with HImode input operands.
11033         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
11034         Use X87MODEI12 mode macro to handle HImode input operands.
11035         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
11036         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
11037         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
11038         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
11039         macro to implement x87 operators with HImode input operands.
11040         (fop splitters): Use X87MODEI12 mode macro to handle HImode
11041         input operands.
11042
11043 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
11044
11045         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
11046         integer_zerop.
11047         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
11048         constants invariant.
11049
11050 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
11051
11052         * basic-block.h (BB_VISITED): Removed.
11053         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
11054
11055 2005-03-14  Falk Hueffner  <falk@debian.org>
11056
11057         PR bootstrap/20424
11058         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
11059
11060 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
11061
11062         * ggc-zone.c: Fix comment typos.
11063
11064         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
11065         stringpool.c, config/mips/mips-protos.h: Update copyright.
11066
11067 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
11068
11069         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
11070         throughout with its typedef, "rtx".
11071         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
11072         (rs6000_tls_symbol_ref_1): Remove inline keyword.
11073         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
11074         regs in comment to match code.
11075
11076 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
11077
11078         * except.c (check_handled): Make it static.
11079         * except.h: Remove the corresponding prototype.
11080
11081         * function.c (get_func_frame_size): Make it static.
11082         * function.h: Remove the corresponding type.
11083
11084         * regclass.c (reg_class_superclasses, reg_class_subclasses):
11085         Make them static.
11086         * hard-reg-set.h: Remove the corresponding declarations.
11087
11088         * tree-cfg.c (verify_stmts): Check that
11089         bb_for_stmt (stmt) == bb for every PHI node and statement.
11090
11091 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
11092
11093         * config.gcc: Remove excess indentation.
11094         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
11095
11096 2005-03-13  Roger Sayle  <roger@eyesopen.com>
11097
11098         PR middle-end/19331
11099         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
11100         * fold-const.c (fold_sign_changed_comparison): Likewise.
11101         (fold_binary): Optimize comparisons against widened operands if
11102         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
11103
11104 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
11105
11106         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
11107         (sparc_override_options): Initialize it.
11108         (sparc_struct_value_rtx): Set it on the MEM to be returned.
11109
11110 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
11111
11112         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
11113         (reg_or_none500mem_operand): New predicate.
11114         (zero_reg_mem_operand): New predicate.
11115         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
11116         to reg_or_none500mem_operand.
11117         (extendsfdf2_fpr): Add MEM alternative.
11118         (extenddftf2_internal): Change operand2 predicate to
11119         zero_reg_mem_operand.
11120
11121 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
11122
11123         * ggc-zone.c: Rewritten.
11124
11125         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
11126         if there are none.
11127         * configure.ac: Define GGC_ZONE for --with-gc=zone.
11128         * config.in: Regenerated.
11129         * configure: Regenerated.
11130         * gengtype.c (write_types_process_field, write_func_for_structure):
11131         Pass new argument to gt_pch_note_object.
11132         * ggc-common.c (struct ptr_data): Add TYPE.
11133         (gt_pch_note_object): Take TYPE argument and save it.
11134         (call_count): Update call to ggc_pch_count_object.
11135         (call_alloc): Update call to ggc_pch_alloc_object.
11136         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
11137         file.
11138         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
11139         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
11140         (ggc_alloc_zone_stat): Delete.
11141         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
11142         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
11143         (ggc_pch_alloc_object): Update prototypes.
11144         (garbage_zone): Delete.
11145         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
11146         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
11147         pointers.
11148         (tree_id_zone): New variable.
11149         (ggc_alloc_cleared_zone): Remove unused.
11150         (ggc_alloc_zone): Define.
11151         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
11152         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
11153         ggc_alloc_zone_stat.
11154         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
11155         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
11156         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
11157         (make_node_stat): Likewise.  Use tree_id_zone.
11158
11159 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
11160             Joseph S. Myers  <joseph@codesourcery.com>
11161
11162         * configure.ac: Check for MIPS TLS.
11163         * configure: Regenerated.
11164         * config/mips/mips-protos.h (enum mips_symbol_type): Add
11165         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
11166         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
11167         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
11168         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
11169         (mips_classify_symbol, mips_symbolic_constant_p)
11170         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
11171         (mips_tls_operand_p, mips_call_tls_get_addr)
11172         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
11173         (mips_tls_symbol_ref_1): New functions.
11174         (mips_legitimize_address, mips_legitimize_const_move): Call
11175         mips_legitimize_tls_address.
11176         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
11177         for MIPS16.
11178         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
11179         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
11180         (mips_char_to_class): Document V1_REG.
11181         (HAVE_AS_TLS): Provide default.
11182         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
11183         constants.
11184         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
11185         !TARGET_ABICALLS.
11186         (tls_get_tp_<mode>): New instruction.
11187
11188 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
11189
11190         * configure.ac: Update checks for target tools.
11191         * configure: Regenerated.
11192
11193 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
11194
11195         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
11196
11197 2005-03-13  Roger Sayle  <roger@eyesopen.com>
11198
11199         * expmed.c (expand_mult): Use synthetic multiplication sequences for
11200         more classes of DImode multiplication by constant.  Allow both
11201         multiplication by small negative constants (by performing a
11202         multiplication by a positive constant and negating the result) and
11203         multiplications by large powers of two, by using a left shift.
11204
11205 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
11206
11207         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
11208         of basic blocks into work_stack.
11209
11210         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
11211         config/mips/vr.h: Update copyright.
11212
11213         * c-decl.c (c_init_decl_processing): Remove useless calls to
11214         build_function_type.
11215
11216         * builtins.c (fold_trunc_transparent_mathfn,
11217         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
11218         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
11219         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
11220         fold_builtin_strcpy, fold_builtin_strncpy,
11221         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
11222         TREE_TYPE (exp).
11223
11224         * builtins.c (expand_builtin_mathfn_3): Remove local variable
11225         before_call.
11226
11227         * lambda-code.c (lambda_compute_auxillary_space): Remove local
11228         variable determinant.
11229
11230         * tree-cfg.c (group_case_labels): Remove local variable type.
11231
11232         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
11233         variable ann.
11234
11235         * tree-ssa-phiopt.c (value_replacement): Remove local variable
11236         result.
11237
11238 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
11239
11240         PR target/18251
11241         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
11242         (*movmemqi_insn): Delete.
11243         (*movmemhi): Delete.
11244
11245 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
11246
11247         * builtins.c (fold_builtin_classify): Take decomposed
11248         arguments of CALL_EXPR.
11249         (fold_builtin_1): Update a call to fold_builtin_classify.
11250
11251 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
11252
11253         PR c/20402
11254         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
11255         through into call to parser_xref_tag after parse error.
11256         (c_parser_struct_declaration): Consistently return NULL_TREE on
11257         error.
11258
11259 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
11260
11261         * tree-flow-inline.h (ref_contains_array_ref): New function.
11262         (lookup_subvars_for_var): Ditto.
11263         (get_subvars_for_var): Ditto.
11264         (var_can_have_subvars): Ditto.
11265
11266         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
11267         (struct subvar): New type.
11268
11269         * tree-dfa.c (okay_component_ref_for_subvars): New function.
11270
11271         * tree-optimize.c (init_tree_optimization_passes): Call
11272         pass_create_structure_vars.
11273
11274         * tree-ssa-alias.c: Include vec.h.
11275         (init_alias_info): Don't auto-clear call clobbered on struct-field
11276         tags.
11277         (compute_flow_insensitive_aliasing): Handle subvars.
11278         (group_aliases): Handle STRUCT_FIELD aliases.
11279         (setup_pointers_and_addressables): Ditto.
11280         Don't mark variables non-addressable if they still have
11281         addressable subvars.
11282         Also mark subvars addressable when the real variable is marked
11283         addressable.
11284         (add_pointed_to_var): Try to prune the pointed-to set by only
11285         pointing to subvars when possible.
11286         Otherwise, make sure we set addresses_needed and pt_vars to
11287         properly include subvars.
11288         (bitpos_of_field): New function.
11289         (push_fields_onto_fieldstack): Ditto.
11290         (get_or_create_used_part_for): Ditto.
11291         (create_overlap_variables_for): Ditto.
11292         (find_used_portions): Ditto.
11293         (create_structure_vars): Ditto.
11294         (pass_create_structure_vars): New structure.
11295
11296         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
11297         (get_expr_operands): Handle subvars.  Also try to turn
11298         COMPONENT_REF accesses into must-defs now that we can accurately
11299         portray it.
11300         (note_addressable): Try to only mark as addressable those subvars
11301         we know a COMPONENT_REF touches.
11302         (overlap_subvar): New function.
11303
11304         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
11305         Handle subvar storing.
11306         (vect_address_analysis): Update caller of vect_object_analysis.
11307
11308         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
11309
11310         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
11311         (STMT_VINFO_SUBVARS): New macro.
11312
11313         * common.opts: add flag_tree_salias.
11314
11315         * opts.c (decode_options): flag_tree_salias defaults to on.
11316
11317         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
11318
11319         * doc/tree-ssa.texi: Document structural alias analysis.
11320
11321 2005-03-12  Steven Bosscher  <stevenb@suse.de>
11322
11323         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
11324         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
11325         * tree-ssa-operands.c (get_expr_operands): Likewise.
11326         (get_expr_operands): Likewise for ERROR_MARK.
11327
11328 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
11329
11330         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
11331         var.
11332
11333         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
11334         removed_phis.
11335
11336         * tree-ssa-pre.c (compute_avail): Remove local variable val.
11337         (mark_operand_necessary): Remove local variable ver.
11338
11339         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
11340         variable prefix_len.
11341
11342         * value-prof.c (mod_subtract_transform): Remove local variable
11343         value.
11344
11345         * builtins.c (fold_builtin_exponent): Take decomposed
11346         arguments of CALL_EXPR.
11347         (fold_builtin_1): Update a call to fold_builtin_exponent.
11348
11349         * builtins.c (fold_builtin_logarithm): Take decomposed
11350         arguments of CALL_EXPR.
11351         (fold_builtin_1): Update a call to fold_builtin_logarithm.
11352
11353         * c-decl.c (c_init_decl_processing): Remove local variables
11354         ptr_ftype_void and ptr_ftype_ptr.
11355
11356         * gimplify.c (gimplify_expr): Remove local variables r0 and
11357         r1.
11358
11359         * reg-stack.c (move_for_stack_reg): Remove local variable
11360         push_insn.
11361         (compare_for_stack_reg): Remove local variable flags_user.
11362         (convert_regs_1): Remove local variable deleted.
11363
11364         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
11365         variable new_cond.
11366         (combine_blocks): Remove local variables exits and new_e.
11367
11368         * tree-inline.c (expand_call_inline): Remove local variable
11369         decl.
11370
11371         * tree-ssa-live.c (create_ssa_var_map,
11372         calculate_live_on_entry): Remove local variable snn.
11373
11374 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
11375
11376         * c-lex.c (c_lex_with_flags): Add parameter to call to
11377         cpp_spell_token.
11378
11379 2005-03-11  Per Bothner  <per@bothner.com>
11380
11381         * c-tree.h (struct c_declarator): New id_loc field.
11382         * c-pragma.h (c_lex_with_flags): Take position reference.
11383         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
11384         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
11385         (c_lex): Pass dummy location to c_lex_with_flags.
11386         * c-parser.c (c_lex_one_token): Set c_token's location using
11387         c_lex_with_flags, instead of input_location, which might be "ahead".
11388         (c_parser_direct_declarator): Set declarator's id_loc from
11389         c_token's id_loc.
11390         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
11391         declarator's id_loc, rather than probably-imprecise input_location.
11392         (build_id_declarator): Initialize c_declarator's id_loc field.
11393
11394 2005-03-11  Roger Sayle  <roger@eyesopen.com>
11395
11396         PR middle-end/20419
11397         * builtins.c (expand_builtin_signbit): Force the signbit's word
11398         into an integer register to avoid SUBREGs of floating point modes.
11399
11400 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
11401
11402         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
11403         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
11404         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
11405         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
11406
11407 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
11408
11409         PR rtl-optimization/20306
11410         * expr.c (emit_move_complex): Set try_int false if mode is
11411         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
11412         emit_block_move if try_int is true.
11413
11414 2005-03-11  Richard Henderson  <rth@redhat.com>
11415
11416         PR target/20415
11417         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
11418         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
11419         to match.
11420
11421 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
11422
11423         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
11424         (TARGET_FIX_VR4130): New macro.
11425         (TARGET_OPTIONS): Add -mfix-vr4130.
11426         (ISA_HAS_MACCHI): New macro.
11427         (ASM_SPEC): Add -mfix-vr4130.
11428         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
11429         (override_options): Handle mips_fix_vr4130_string.
11430         (mips_avoid_hazards): Clear all_noreorder_p
11431         if we're working around VR4130 errata and the macc alternatives
11432         are not available.
11433         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
11434         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
11435         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
11436         (MULTILIB_DEFAULTS): Remove leading "march=".
11437         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
11438         if no architecture option is given.
11439         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
11440         VR4130 multilibs.
11441         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
11442         * doc/invoke.texi: Document -mfix-vr4130.
11443
11444 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
11445
11446         * config/mips/mips.c (override_options): Only warn about -mint64
11447         deprecation if TARGET_INT64.
11448
11449 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11450
11451         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
11452         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
11453         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
11454         are non-specific regarding the nonnull parameter positions.
11455         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
11456         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
11457         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
11458         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
11459
11460         * builtins.def: Use the non-specific "nonnull" attibute lists.
11461
11462 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
11463
11464         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
11465         single_pred_edge, single_succ, single_pred): Improve comments.
11466
11467 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
11468
11469         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
11470         single_pred_edge, single_succ, single_pred): New inline functions.
11471         * bb-reorder.c (rotate_loop, find_traces_1_round,
11472         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
11473         duplicate_computed_gotos): Use the single_succ/pred functions.
11474         * cfganal.c (forwarder_block_p): Ditto.
11475         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
11476         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
11477         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
11478         merge_seq_blocks): Ditto.
11479         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
11480         * cfglayout.c (fixup_reorder_chain): Ditto.
11481         * cfgloop.c (mark_single_exit_loops, update_latch_info,
11482         canonicalize_loop_headers, verify_loop_structure): Ditto.
11483         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
11484         mfb_update_loops, create_preheader, force_single_succ_latches,
11485         create_loop_notes): Ditto.
11486         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
11487         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
11488         commit_one_edge_insertion, purge_dead_edges,
11489         cfg_layout_can_merge_blocks_p): Ditto.
11490         * except.c (sjlj_emit_function_enter): Ditto.
11491         * flow.c (init_propagate_block_info): Ditto.
11492         * function.c (thread_prologue_and_epilogue_insns): Ditto.
11493         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
11494         insert_insn_end_bb): Ditto.
11495         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
11496         find_if_case_2): Ditto.
11497         * lambda-code.c (perfect_nestify): Ditto.
11498         * lcm.c (optimize_mode_switching): Ditto.
11499         * loop-doloop.c (doloop_modify): Ditto.
11500         * loop-init.c (loop_optimizer_init): Ditto.
11501         * loop-iv.c (simplify_using_initial_values): Ditto.
11502         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
11503         * loop-unswitch.c (unswitch_loop): Ditto.
11504         * modulo-sched.c (generate_prolog_epilog): Ditto.
11505         * predict.c (combine_predictions_for_insn, estimate_probability,
11506         tree_estimate_probability, last_basic_block_p,
11507         estimate_bb_frequencies): Ditto.
11508         * profile.c (branch_prob): Ditto.
11509         * regrename.c (copyprop_hardreg_forward): Ditto.
11510         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
11511         * tracer.c (layout_superblocks): Ditto.
11512         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
11513         cfg_remove_useless_stmts_bb, cleanup_control_flow,
11514         cleanup_control_expr_graph, disband_implicit_edges,
11515         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
11516         tree_verify_flow_info, tree_make_forwarder_block,
11517         tree_forwarder_block_p, remove_forwarder_block,
11518         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
11519         * tree-if-conv.c (tree_if_conversion): Ditto.
11520         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
11521         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
11522         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
11523         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
11524         copy_loop_headers): Ditto.
11525         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
11526         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
11527         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
11528         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
11529         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
11530         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
11531         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
11532         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
11533         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
11534         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
11535         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
11536         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
11537         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
11538         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
11539         slpeel_add_loop_guard): Ditto.
11540
11541 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
11542
11543         PR tree-optimization/15784
11544         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
11545         and -1 - A to ~A.
11546
11547         * stmt.c (expand_case): Don't change index_type.  Convert minval
11548         to the proper type.
11549
11550         PR tree-optimization/20130
11551         * fold-const.c (fold): Fold x * -1 into -x.
11552
11553 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
11554
11555         PR rtl-optimization/20331
11556         * rtlanal.c (modified_between_p): Check its address first for MEM.
11557         (modified_in_p): Likewise.
11558
11559 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
11560
11561         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
11562
11563 2005-03-10  Steven Bosscher  <stevenb@suse.de>
11564
11565         * expr.c (expand_expr_real_1): If possible, use a conditional
11566         move for expanding MIN_EXPR and MAX_EXPR.
11567         Use temp for moving around rtx-en.
11568
11569 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
11570
11571         PR rtl-opt/20412
11572         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
11573         correct mode.
11574
11575 2005-03-10  Roger Sayle  <roger@eyesopen.com>
11576
11577         * builtins.c (expand_builtin_signbit): Extend to handle floating
11578         point modes wider than the largest integer type, using the
11579         operand_subword_force function to obtain the signbit's word.
11580
11581 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
11582
11583         PR target/20322
11584         * combine.c (try_combine): If recog_for_combine added CLOBBERs
11585         to NEWI2PAT, fail to combine if they are used by NEWPAT.
11586
11587 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
11588
11589         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
11590
11591 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
11592
11593         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
11594         type void.
11595         (perform_edge_inserts): Unconditionally call
11596         free_dominator_info.
11597
11598         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
11599
11600 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
11601
11602         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
11603
11604 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
11605
11606         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
11607
11608         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
11609         gcc_unreachable.
11610         (rtl_register_value_prof_hooks,
11611         tree_value_profile_transformations,
11612         tree_register_value_prof_hooks): Likewise.
11613         * var-tracking.c (stack_adjust_offset_pre_post,
11614         variable_htab_free, variable_union, dataflow_set_different_2,
11615         count_uses, variable_was_changed, set_frame_base_location,
11616         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
11617         vt_add_function_parameters): Likewise.
11618         * varasm.c (named_section_real, named_section, make_decl_rtl,
11619         asm_emit_uninitialised, assemble_integer, decode_addr_const,
11620         const_hash_1, compare_constant, copy_constant, force_const_mem,
11621         output_constant_pool_2, output_constant_pool_1, output_constant,
11622         output_constructor, make_decl_one_only, decl_tls_model,
11623         default_no_named_section, default_elf_select_section_1,
11624         default_unique_section_1): Likewise.
11625         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
11626         * vmsdbgout.c (addr_const_to_string): Likewise.
11627
11628         PR c++/20375
11629         * function.c (struct assign_parm_data_one): Remove last_named
11630         field.
11631         (assign_parm_find_data_types): Don't determine last_named.
11632         Reorder named_parm determination.
11633         (assign_parms): Only setup varargs on the last non-varadic
11634         parameter.
11635
11636 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
11637
11638         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
11639         sda base address on medium model.
11640
11641 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
11642
11643         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
11644         * cfgloop.c (flow_loop_nodes_find): Export.
11645         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
11646         Declare.
11647         * cfgloopmanip.c (fix_loop_structure): New function.
11648         * predict.c (predict_loops): Clean up the loops information.
11649         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
11650         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
11651         loop structure.
11652         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
11653         (rewrite_into_loop_closed_ssa): Declaration changed.
11654         * tree-loop-linear.c (linear_transform_loops): Add argument to
11655         rewrite_into_loop_closed_ssa call.
11656         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11657         * tree-ssa-loop-im.c (move_computations): Ditto.
11658         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
11659         * tree-vectorizer.c (vectorize_loops): Ditto.
11660         * tree-optimize.c: Include cfgloop.h.
11661         (execute_todo): Choose whether to call cleanup_tree_cfg or
11662         cleanup_tree_cfg_loop.
11663         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
11664         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
11665         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
11666         cleanup_tree_cfg_loop call.
11667         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
11668         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
11669         work on part of cfg.
11670
11671 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
11672
11673         PR inline-asm/20314
11674         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
11675         with multiple alternatives.
11676
11677         * stmt.c (parse_output_constraint): Fix a typo.
11678
11679 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
11680
11681         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
11682         assembly directive instead of deprecated "no-generics".
11683
11684 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
11685
11686         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
11687         for non-offsettable memory references to cope with outstanding reload
11688         replacements.
11689         * config/s390/s390.md ("reload_outti"): Call find_replacement to
11690         avoid losing outstanding address reloads.
11691         ("reload_outdi", "reload_outdf"): Likewise.
11692
11693 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11694
11695         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
11696         code.  Add more cbrt transformations.
11697
11698 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11699
11700         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
11701
11702 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
11703
11704         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
11705         NULL_TREE when a given tree is not simplified.
11706         (fold): Return the original tree when any of the functions
11707         mentioned above NULL_TREE.
11708
11709         * fold-const.c (fold_unary, fold_binary): Take decomposed
11710         arguments, code, type, op0, and op1 in case of fold_binary.
11711         (fold): Update calls to fold_unary and fold_binary.
11712
11713 2005-03-09  Roger Sayle  <roger@eyesopen.com>
11714
11715         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
11716         a fndecl and an arglist instead of a CALL_EXPR, exp.
11717
11718 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
11719
11720         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
11721
11722         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
11723
11724         * expr.c (expand_assignment): Remove orig_to_rtx.
11725
11726         * fold-const.c (int_const_binop): Remove no_overflow.
11727
11728         * ifcvt.c (noce_emit_move_insn): Remove inmode.
11729
11730         * loop-iv.c (get_biv_step_1): Remove lhs.
11731
11732         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
11733
11734         * real.c (real_nan): Remove neg.
11735
11736         * function.c (thread_prologue_and_epilogue_insns): Remove i
11737         and newinsn.
11738
11739         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
11740         tb.
11741
11742         * tree-eh.c (tree_could_trap_p): Remove idx.
11743
11744         * tree-into-ssa.c (ann): Remove ann.
11745
11746         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
11747
11748         * tree-sra.c (decide_block_copy): Remove inst_count.
11749
11750         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
11751
11752         * tree-ssa-loop-im.c (lhs): Remove.
11753
11754         * cfgbuild.c (state, STATE, SET_STATE,
11755         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
11756         make_edges.
11757         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
11758         (find_basic_blocks): Set the state of each basic block to
11759         BLOCK_NEW.
11760
11761 2005-03-08  Jeff Law  <law@redhat.com>
11762
11763         * tree-cfg.c (cleanup_control_flow): If removal of a computed
11764         goto results in the removal of edges in the CFG, then we need
11765         to recompute dominators.
11766
11767 2005-03-09  Ben Elliston  <bje@au.ibm.com>
11768
11769         * c-common.c (c_do_switch_warnings): Comment fix.
11770
11771 2005-03-08  Julian Brown  <julian@codesourcery.com>
11772
11773         * Patch from 2005-03-08 reverted for causing regressions and
11774         ppc-darwin bootstrap failure.
11775
11776 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
11777
11778         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
11779         Define the real function for ppc-darwin.
11780         * c-typeck.c (convert_arguments): Check for target-specific
11781         invalid argument call to unprototyped function.
11782         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
11783         New Macro.
11784         * target.h (invalid_arg_for_unprototyped_fn): New field
11785         in struct calls.
11786         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
11787         default target hook.
11788         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
11789         Declare.
11790
11791 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
11792
11793         * c-typeck.c (constructor_stack, constructor_range_stack,
11794         initializer_stack): Make them static.
11795
11796         * cfg.c (rbi_pool): Make it static.
11797
11798         * gimple-low.c (lower_stmt_body): Make it static.
11799         * tree-flow.h: Remove the corresponding prototype.  Don't
11800         declare lower_data.
11801
11802         * sched-deps.c (cache_size): Make it static.
11803
11804         * stor-layout.c (lang_adjust_rli): Make it static.
11805
11806 2005-03-08  Julian Brown  <julian@codesourcery.com>
11807
11808         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
11809         from being used for symbols with vague linkage when
11810         HAVE_GAS_COMDAT_GROUP is true.
11811
11812 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
11813
11814         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
11815         nlabel == JUMP_LABEL (jump).
11816
11817 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
11818
11819         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
11820         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
11821         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
11822         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
11823
11824 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
11825
11826         PR c/14411
11827         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
11828         * c-common.c (handle_returns_twice): New function.
11829         (c_common_attribute_table): Declare eturns_twice' attribute.
11830         * doc/extend.texi: Document eturns_twice' attribute.
11831         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
11832         (struct tree_decl): Add returns_twice_flag.
11833
11834 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
11835
11836         * tree-ssa-phiopt.c: Fix a comment typo.
11837
11838         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
11839         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
11840         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
11841         copyright.
11842
11843 2005-03-08  Richard Henderson  <rth@redhat.com>
11844
11845         * config/alpha/alpha.c (code_for_builtin): Replace special-case
11846         builtin codes with ctzdi2, clzdi2, popcountdi2.
11847         (struct alpha_builtin_def): Add is_const.
11848         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
11849         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
11850         (alpha_init_builtins): Init them.  Set nothrow and const attributes
11851         on builtins.
11852         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
11853         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
11854         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
11855         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
11856         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
11857         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
11858         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
11859         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
11860         (TARGET_FOLD_BUILTIN): New.
11861         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
11862         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
11863         (ffsdi2): Use ctz.
11864         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
11865
11866 2005-03-08  Ira Rosen  <irar@il.ibm.com>
11867
11868         PR tree-optimization/20122
11869         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
11870         condition of access function instead of base.
11871
11872 2005-03-07  Jeff Law  <law@redhat.com>
11873             Steven Bosscher  <stevenb@suse.de>
11874
11875         * tree-cfg.c (find_taken_edge_computed_goto): New function.
11876         (find_taken_edge): Call find_taken_edge_computed_goto as
11877         appropriate.  Allow any gimple invariant rather than just
11878         INTEGER_CST for VAL.
11879         (cleanup_control_flow): Cleanup a computed goto which has turned
11880         into a simple goto.
11881         (tree_merge_blocks): If block B has any forced labels, move
11882         them to the start of block A.
11883         * tree-ssa-dom.c (thread_across_edge): Allow threading across
11884         computed gotos as well.
11885         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
11886         removal of unnecessary computed gotos too.
11887         (lookup_redirection_data): Fix type of INSERT argument.  Callers
11888         updated.
11889
11890 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
11891
11892         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
11893         Remove trailing spaces.
11894
11895         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
11896         unshare_all_trees): Make them static.
11897         * tree-gimple.h: Remove the corresponding prototypes.
11898
11899         * diagnostic.h: Remove unused prototype
11900         debug_output_buffer.
11901         * modulo-sched.c: Remove unused prototype
11902         set_row_column_for_ps.
11903
11904         * tree-ssa-phiopt.c (tree_ssa_phiopt,
11905         replace_phi_edge_with_variable): Remove unused variable i.
11906
11907 2005-03-07  Per Bothner  <per@bothner.com>
11908
11909         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
11910
11911 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
11912
11913         PR tree-opt/17671
11914         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
11915         bbs on the COND_EXPR instead of the PHI_NODEs.
11916         (candidate_bb_for_phi_optimization): Remove.
11917         (replace_phi_with_stmt): Rename to ...
11918         (replace_phi_edge_with_variable): this and change so that we
11919         replace the phi argument instead of removing the PHI.
11920         (conditional_replacement): Change so we deal with PHI with more
11921         than two arguments.
11922         (value_replacement): Likewise.
11923         (abs_replacement): Likewise.
11924
11925 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
11926
11927         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
11928         output_e500_flip_gt_bit.
11929
11930         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
11931         as bit 31.
11932         (rs6000_generate_compare): Fix logic to look at the correct bits.
11933         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
11934         Look at GT bit.
11935         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
11936         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
11937         gen_move_from_CR_gt_bit.
11938
11939         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
11940         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
11941         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
11942
11943         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
11944         (E500_CR_IOR_COMPARE): New constant.
11945
11946 2005-03-08  Earl Chew <earl_chew@agilent.com>
11947             David Billinghurst <David.Billinghurst@riotinto.com>
11948
11949         * config/i386/host-cygwin.c: New file to support precompiled
11950         headers on cygwin
11951         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
11952         * config.host: Use above files for cygwin host.
11953
11954 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
11955
11956         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
11957         ordering ops from earlier change.
11958
11959 2005-03-07  Per Bothner  <per@bothner.com>
11960
11961         Various fixes to allow us to again build if --enable-mapped-location:
11962         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
11963         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
11964         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
11965         local variable loc. Change logic appropriately.
11966         * tree-vect-transform.c (vect_finish_stmt_generation): Use
11967         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
11968         * c-parser.c (c_parser_for_statement): Initialize loc variable.
11969         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
11970         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
11971
11972 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
11973
11974         PR rtl-optimization/19683
11975         * reload1.c (choose_reload_regs): Pass the number of bits, not the
11976         number of bytes, to smallest_int_for_mode.  Fix arguments to
11977         REG_CANNOT_CHANGE_MODE_P.
11978
11979 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
11980
11981         * reorg.c (relax_delay_slots): Check that the jump is
11982         conditional before trying to invert it.
11983
11984 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
11985
11986         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
11987         Make them static.
11988
11989         * calls (stack_arg_under_construction): Make it static.
11990
11991         * flow.c (regs_live_at_setjmp): Make it static.
11992         * flow.h: Remove the corresponding prototype.
11993
11994         * reload1.c (reload_startobj, reload_firstobj,
11995         something_needs_operands_changed, reload_inherited,
11996         reload_inheritance_insn, reload_override_in,
11997         reload_spill_index): Make them static.
11998
11999         * recog.c (verify_changes): Make it static.
12000         * recog.h: Remove the corresponding prototype.
12001
12002         * cfgbuild.c (find_sub_basic_blocks): Remove.
12003         * basic-block.h: Remove the corresponding prototype.
12004         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
12005         in comments.
12006         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
12007
12008         * tree-ssa-operands.c (check_build_stmt): Remove.
12009
12010         * stor-layout.c (set_alignment): Remove.
12011         * tree.h: Remove the corresponding prototype.
12012
12013         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
12014
12015         * tree-ssa-dce.c (control_dependence_map,
12016         visited_control_parents): Make them static.
12017
12018         * cfghooks.c (verify_flow_info): Remove local variable
12019         num_bb_notes.
12020
12021         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
12022         last_bb_seen.
12023
12024         * loop-unswitch.c (unswitch_loop): Remove local variable src.
12025
12026 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
12027
12028         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
12029
12030 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
12031
12032         * config/ia64/hpux.h (LINK_SPEC): Add -z.
12033         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
12034         PARALLEL for an empty structure.
12035
12036 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
12037
12038         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
12039
12040         * fold-const.c (fold_binary): Unroll the very first "for"
12041         loop.
12042
12043 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
12044
12045         * config/rs6000/predicates.md (branch_comparison_operator): Remove
12046         redundant match_code test.
12047         (scc_comparison_operator): Swap match_operand and match_code
12048         tests.
12049         (branch_positive_comparison_operator): Same.
12050         (trap_comparison_operator): Use comparison_operator and swap with
12051         match_code test.
12052
12053 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
12054
12055         PR target/20288
12056         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
12057         (out_movhi_r_mr): Read low byte of volatile MEM first.
12058         (out_movhi_mr_r): Write high byte of volatile MEM first.
12059
12060 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
12061
12062         * cselib.c (reg_values, reg_values_size): Make them static.
12063
12064         * cse.c (cse_reg_info_table): Make it static.
12065
12066         * fold-const.c (fold_unary): Use build1 instead of copy_node.
12067
12068 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
12069
12070         * cse.c (find_best_addr): Use canon_for_address.
12071
12072 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
12073
12074         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
12075         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
12076         SUBREG and MEM, respectively.
12077
12078         * fold-const.c (fold_binary): Use code instead of t.
12079
12080         * fold-const.c (optimize_minmax_comparison): Take decomposed
12081         arguments code, type, op0, and op1 instead of t.
12082         (fold_binary): Update a call to optimize_minmax_comparison.
12083
12084         * fold-const.c (fold_range_test): Take decomposed arguments
12085         code, type, op0, and op1 instead of t.
12086         (fold_binary): Update a call to fold_range_test.
12087
12088         * fold-const.c (fold_binary_op_with_conditional_arg): Take
12089         decomposed arguments code, type, op0, and op1 instead of t.
12090         (fold_binary): Update a call to fold_range_test.
12091
12092 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
12093
12094         * fold-const.c (fold_binary): Avoid directly using the original
12095         expression t as much as possible.
12096
12097 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
12098
12099         * c-semantics.c (build_stmt): Use TYPE_P instead of
12100         IS_NON_TYPE_CODE_CLASS.
12101         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
12102         (NON_TYPE_CHECK): Use TYPE_P instead of
12103         IS_NON_TYPE_CODE_CLASS.
12104
12105         * fold-const.c (fold): Remove handling of binary expressions.
12106
12107 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
12108
12109         * doc/c-tree.texi: Wrap comments in @r{}.
12110         * doc/cpp.texi: Likewise.
12111         * doc/cppinternals.texi: Likewise.
12112         * doc/extend.texi: Likewise.
12113         * doc/md.texi: Likewise.
12114         * doc/objc.texi: Likewise.
12115         * doc/sourcebuild.texi: Likewise.
12116         * doc/tm.texi: Likewise.
12117         * doc/tree-ssa.texi
12118
12119 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
12120
12121         * predict.c (apply_return_prediction): Standardize PHI chain
12122         walking.
12123         * tree-ssa.c (ssa_redirect_edge): Likewise.
12124
12125         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
12126         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
12127         Update copyright.
12128
12129         * tree-phinodes.c (remove_phi_node): Drop the last argument.
12130         * tree-flow.h: Adjust the prototype for remove_phi_node.
12131         * lambda-code.c (perfect_nestify): Adjust a call to
12132         remove_phi_node.
12133         * tree-cfg.c
12134         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
12135         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
12136         Likewise.
12137         * tree-ssa-dce.c (remove_dead_phis): Likewise.
12138         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12139         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12140         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
12141
12142         * combine.c (simplify_and_const_int): Use gen_int_mode instead
12143         of GEN_INT (trunc_int_for_mode (...)).
12144         * loop-iv.c (iv_number_of_iterations): Likewise.
12145         * postreload.c (reload_cse_move2add): Likewise.
12146         * simplify-rtx.c (simplify_const_unary_operation,
12147         simplify_const_binary_operation): Likewise.
12148         * stor-layout.c (get_mode_bounds): Likewise.
12149
12150         * fold-const.c (fold_binary): New.
12151         (fold): Call fold_binary on binary expressions.
12152
12153 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
12154
12155         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
12156         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
12157         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
12158         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
12159         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
12160
12161 2005-03-04  Devang Patel  <dpatel@apple.com>
12162
12163         PR tree-optimization/18815
12164         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
12165         loops with zero exit edges.
12166
12167 2005-03-04  Devang Patel  <dpatel@apple.com>
12168
12169         * doc/invoke.texi: Remove reference to webpage that does not exist.
12170
12171 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
12172             Joseph S. Myers  <joseph@codesourcery.com>
12173
12174         PR c++/19797
12175         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
12176         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
12177         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
12178         * pa.c (get_plabel): Change argument to symbol_ref.  Call
12179         maybe_get_identifier instead of get_identifier.
12180         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
12181         (struct deferred_plabel): Replace name field with symbol field.
12182         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
12183         ASM_OUTPUT_EXTERNAL_REAL is defined.
12184         (output_global_address): Use output_addr_const for output of all
12185         symbol_refs.
12186         (output_deferred_plabels): Use symbol_ref instead of name for address
12187         output.
12188         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
12189         ASM_OUTPUT_SYMBOL_REF): New macros.
12190         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
12191         comment.
12192         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
12193         label.
12194
12195 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
12196
12197         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
12198         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
12199
12200 2005-03-04  Jeff Law  <law@redhat.com>
12201
12202         * basic-block.h (rediscover_loops_after_threading): Declare.
12203         * tree-ssa-dom.c: Include cfgloop.h.
12204         (tree_ssa_dominator_optimize): Discover loops and some basic
12205         properties.  Remove forwarder blocks recreated by loop header
12206         canonicalization.  Also mark backedges in the CFG.
12207         * tree-ssa-threadupdate.c: Include cfgloop.h
12208         (rediscover_loops_after_threading): Define.
12209         (struct local_info): New field, JUMP_THREADED.
12210         (prune_undesirable_thread_requests): New function.
12211         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
12212         then record that fact for the callers of redirct_edges.
12213         (thread_block): If BB has incoming backedges, then call
12214         prune_undesirable_thraed_requests.    Note when we are
12215         going to have to rediscover loop information.  Return a
12216         boolean indicating if any jumps were threaded.
12217         (thread_through_all_blocks): Bubble up boolean indicating
12218         if any jumps were threaded.
12219         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
12220         (tree-ssa-threadupdate.o): Similarly.
12221
12222 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
12223
12224         * fold-const.c (fold_ternary): Unroll the "for" loop to
12225         extract operands.
12226
12227 2005-03-04  Andrew Haley  <aph@redhat.com>
12228
12229         * unwind-dw2-fde-glibc.c (struct
12230         unw_eh_callback_data.check_cache): New field.
12231         (frame_hdr_cache): New.
12232         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
12233         Cache frame header info.
12234
12235 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
12236
12237         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
12238         (print_c_condition): Declare.
12239         * read-rtl.c (ptr_loc): New structure.
12240         (ptr_locs, ptr_loc_obstack, joined_conditions)
12241         (joined_conditions_obstack): New variables.
12242         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
12243         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
12244         (join_c_conditions, print_c_condition): New functions.
12245         (apply_macro_to_string): Associate the new string with the same
12246         source location as the old one.
12247         (add_condition_to_string): Use join_c_conditions.
12248         (read_string): Use set_rtx_ptr_loc to record a filename and line
12249         number for the string.
12250         (read_rtx): Initialize the new variables above.
12251         * genattrtab.c (write_test_expr, write_attr_value): Use
12252         print_c_condition.
12253         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
12254         comment above the GCC_VERSION check.
12255         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
12256         Inline the definition of MAYBE_EVAL.
12257         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
12258         * genoutput.c (process_template): Likewise.
12259         * genpreds.c (write_predicate_subfunction): Likewise.
12260         (write_predicate_expr): Use print_c_condition.
12261         * genrecog.c (write_cond): Likewise.
12262         * gensupport.c (process_rtx): Use join_c_conditions to join the
12263         conditions of a define_insn_and_split.  Record a source location
12264         for the string after the "&&".
12265         (alter_test_for_insn): Use join_c_conditions.
12266
12267 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
12268
12269         Revert for now:
12270         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
12271         PR tree-optimization/15784
12272         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
12273         and -1 - A to ~A.
12274
12275 2005-03-04  Ben Elliston  <bje@au.ibm.com>
12276
12277         * gcc.c (option_map): Add --coverage.
12278         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
12279         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
12280         * config/darwin.h: Pass -lgcov for `coverage'.
12281         * doc/invoke.texi (Debugging Options): Document --coverage.
12282
12283 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
12284
12285         * gcse.c (bypass_block): Use find_edge wherever possible.
12286
12287 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
12288
12289         Fix PR debug/20253
12290
12291         * c-opts.c (c_common_parse_file): Call start_source_file
12292         and end_source_file at the approriate times.
12293
12294         * dwarf2out.c (dwarf2out_finish): Don't auto-end
12295         the main file, it will be done for us now.
12296
12297 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
12298
12299         * fold-const.c (fold_ternary): New.
12300         (fold): Call fold_ternary on ternary expressions.  Remove
12301         handling of ternary expressions.
12302
12303 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
12304
12305         PR tree-optimization/15784
12306         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
12307         and -1 - A to ~A.
12308
12309 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
12310
12311         * config/rs6000/predicates.md (branch_comparison_operator):
12312         Convert from C block to conditional format.
12313
12314 2005-03-03  Jan Hubicka  <jh@suse.cz>
12315
12316         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
12317         and non-constant public variables.
12318
12319 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
12320
12321         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
12322         with LABEL_EXPR.
12323
12324         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
12325         EDGE_I.
12326
12327         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
12328         calls to release_ssa_name and release_phi_node.
12329
12330         * fold-const.c (fold): Remove handling of unary expressions.
12331
12332         * fold-const.c (fold_unary): Avoid directly using the original
12333         expression t as much as possible.
12334
12335 2005-03-03  Roger Sayle  <roger@eyesopen.com>
12336             Andrew Pinski  <pinskia@physics.uc.edu>
12337
12338         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
12339         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
12340
12341 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
12342
12343         Describe special registers SRP and MOF as allocatable registers.
12344         * config/cris/cris.c (cris_md_asm_clobbers): New function.
12345         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
12346         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
12347         TARGET_HAS_MUL_INSNS.
12348         (cris_print_operand) <case 'd'>: New case.
12349         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
12350         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
12351         define.
12352         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
12353         (REG_ALLOC_ORDER): Update for MOF.
12354         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
12355         SPECIAL_REGS.
12356         (GENERAL_REGS): No longer a define of ALL_REGS.
12357         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
12358         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
12359         Adjust accordingly.
12360         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
12361         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
12362         (SECONDARY_RELOAD_CLASS): Define.
12363         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
12364         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
12365         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
12366         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
12367         (REGISTER_MOVE_COST): Define.
12368         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
12369         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
12370         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
12371         (CRIS_MOF_REGNUM): New define_constants.
12372         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
12373         special registers.
12374         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
12375         New patterns.
12376         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
12377         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
12378         Adjust for MOF being properly described as a register.
12379         (indir_to_reg_split): Name this split.  Conditionalize on the
12380         destination register being a general register.
12381         (movei): Conditionalize on on operands 0 and 1 having the same
12382         register class.
12383
12384 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
12385
12386         PR target/20277
12387         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
12388         -mcpu to override any other explicitly given flags.
12389
12390 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
12391
12392         * recog.c (verify_changes, confirm_change_group): New functions,
12393         broken out of apply_change_group.
12394         (apply_change_group): Use them.
12395         * recog.h (verify_change, confirm_change_group): Declare.
12396         * rtl.h (redirect_jump_2): Declare.
12397         * jump.c (redirect_exp, invert_exp): Delete.
12398         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
12399         (redirect_jump_2): New function, broken out of redirect_jump.
12400         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
12401         (invert_jump): Use invert_jump_1 and redirect_jump_2.
12402         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
12403
12404 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
12405
12406         * varasm.c (named_section): Use xstrdup rather than doing it by
12407         hand.
12408
12409         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
12410
12411 2005-03-02  Devang Patel  <dpatel@apple.com>
12412
12413         Undo PR tree-optimization/18815 fix.
12414
12415 2005-03-02  Devang Patel  <dpatel@apple.com>
12416
12417         PR tree-optimization/18815
12418         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
12419         loops with zero exit edges.
12420
12421 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
12422
12423         * cfg.c (connect_src, connect_dest, disconnect_src,
12424         disconnct_dest): New.
12425         (unchecked_make_edge, remove_edge, redirect_edge_succ,
12426         redirect_edge_pred): Use the new functions.
12427
12428         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
12429         free_dominance_info only when needed.
12430
12431 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
12432
12433         PR target/20276
12434         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
12435         (reg_or_sub_cint64_operand): Same.
12436
12437 2005-03-02  Jeff Law  <law@redhat.com>
12438
12439         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
12440         CFG_ALTERED in the main DOM iteration loop.
12441
12442 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
12443
12444         PR c++/19916
12445         * varasm.c (initializer_constant_valid_p): Allow conversions
12446         between OFFSET_TYPEs.  Tidy.
12447
12448 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
12449
12450         * config/cris/cris.md ("return"): Remove epilogue delay list
12451         sanity check.
12452
12453 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
12454
12455         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
12456         for Thumb.
12457         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
12458
12459 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
12460
12461         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
12462         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
12463         config/m68k/m68k.c, config/mips/mips.h,
12464         config/rs6000/rs6000-protos.h, doc/contrib.texi,
12465         doc/include/gcc-common.texi: Update copyright.
12466
12467         PR middle-end/18029 and PR middle-end/18030
12468         * expr.c (optimize_bitfield_assignment_op): Add a special case
12469         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
12470
12471         * fold-const.c (fold_unary): New.
12472         (fold): Call fold_unary on unary expressions.
12473
12474 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
12475
12476         * cgraph.h (struct cgraph_edge): Add prev_caller and
12477         prev_callee fields.
12478         (cgraph_node_remove_callees): Export.
12479         * cgraph.c (cgraph_create_edge): Initialize prev_caller
12480         and prev_callee.
12481         (cgraph_edge_remove_callee): New function.
12482         (cgraph_edge_remove_caller): Likewise.
12483         (cgraph_remove_edge): Use.
12484         (cgraph_redirect_edge_callee): Likewise.
12485         (cgraph_node_remove_callees): New function.
12486         (cgraph_node_remove_callers): Likewise.
12487         (cgraph_remove_node): Use.
12488         * tree-optimize.c (tree_rest_of_compilation): Use
12489         cgraph_node_remove_callees instead of manual loop.
12490         * cgraphunit.c (cgraph_finalize_function): Likewise.
12491         (cgraph_expand_function): Likewise.
12492         (cgraph_remove_unreachable_nodes): Likewise.
12493
12494 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
12495
12496         PR c/8927
12497         * c-tree.h (undeclared_variable, build_external_ref): Add extra
12498         argument.
12499         * c-decl.c (undeclared_variable): Take location as argument.
12500         * c-typeck.c (build_external_ref): Likewise.
12501         * c-parser.c (c_parser_postfix_expression): Pass location of
12502         identifier to build_external_ref.
12503
12504 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
12505
12506         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
12507         CCEQ mode for branch_positive_comparison_operator test.
12508         * config/rs6000/predicates (branch_comparison_operator): Revert to
12509         define_predicate.
12510         (scc_comparison_operator): Same.
12511         (branch_positive_comparison_operator): Same.
12512
12513 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
12514
12515         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
12516         (cris_delay_slots_for_epilogue): Remove.
12517         (save_last): Move into cris_target_asm_function_epilogue.
12518         (cris_target_asm_function_epilogue): Remove tests for file being
12519         NULL.
12520         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
12521         (cris_delay_slots_for_epilogue): Remove prototypes.
12522         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
12523         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
12524
12525 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
12526
12527         * config/rs6000/predicates.md (branch_comparison_operator): Change
12528         to define_special_predicate.
12529         (scc_comparison_operator): Same.
12530         (branch_positive_comparison_operator): Same.
12531
12532 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
12533
12534         * Makefile.in (tree-ssa-sink.o): New.
12535         (OBJS-common): Add tree-ssa-sink.o.
12536         * common.opt: Add -ftree-sink
12537         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
12538         * timevar.def (TV_TREE_SINK): new timevar.
12539         * tree-flow.h (is_hidden_global_store): Prototype.
12540         * tree-optimize.c (init_tree_optimization_passes): Add
12541         pass_sink_code.
12542         * tree-pass.h (pass_sink_code): New.
12543         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
12544         for non-obvious global store store to is_hidden_global_store, and
12545         call that new function.
12546         * tree-ssa-sink.c: New file.
12547         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
12548         * doc/passes.texi: Document forward store motion.
12549         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
12550         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
12551         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
12552         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
12553
12554 2005-03-01  Per Bothner  <per@bothner.com>
12555
12556         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
12557         and we have a non-zero column-number, add it to the message.
12558         Also factor out the diagnostic_kind_text.
12559
12560 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
12561
12562         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
12563         flow_loop_pre_header_scan, flow_loop_pre_header_find,
12564         flow_loop_scan): Removed.
12565         (flow_loop_dump): Do not dump removed fields.
12566         (flow_loop_free): Do not free removed fields.
12567         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
12568         (loop_exit_edge_p): New function.
12569         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
12570         num_pre_header_edges, entry_edges, num_entries, exit_edges,
12571         num_exits, exits_doms.
12572         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
12573         LOOP_EDGES, LOOP_ALL): Removed.
12574         (flow_loop_scan): Declaration removed.
12575         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
12576         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
12577         flow_loops_find.
12578         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
12579         (if_convert): Call flow_loops_find and flow_loops_free
12580         when calling mark_loop_exit_edges.
12581         * cfgloopanal.c (mark_loop_exit_edges): Moved from
12582         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
12583         free_dominance_info calls.
12584         * loop-init.c (flow_loops_find): Ditto.
12585         * passes.c (rest_of_handle_branch_prob): Ditto.
12586         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
12587         * loop-unroll.c (analyze_insns_in_loop): Do not use
12588         EDGE_LOOP_EXIT.
12589         * predict.c (predict_loops): Do not call flow_loop_scan.
12590         Use get_loop_exit_edges.
12591         (tree_estimate_probability): Do not pass flags to flow_loops_find.
12592         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
12593         Do not use EDGE_LOOP_EXIT.
12594         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
12595         to bb_with_exit_edge_p.
12596         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
12597         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
12598         to bb_with_exit_edge_p.
12599         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
12600         EDGE_LOOP_EXIT.
12601         * tree-loop-linear.c (linear_transform_loops): Do not call
12602         flow_loop_scan.  Use loop->single_exit.
12603         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
12604         (vect_analyze_loop_form): Do not call flow_loop_scan.
12605         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
12606         loop->single_exit.
12607         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
12608         loop->single_exit.
12609         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
12610         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
12611         slpeel_tree_duplicate_loop_to_edge_cfg,
12612         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
12613         Use loop_preheader_edge and loop->single_exit.  Do not call
12614         flow_loop_scan.
12615
12616 2005-03-01  Nick Clifton  <nickc@redhat.com>
12617
12618         * config/arm/arm.c (thumb_find_work_register): Check all of the
12619         argument registers to see if they are free, and a couple of
12620         special cases where the last argument register but can be proved
12621         to be available during the function's prologue.
12622         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
12623         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
12624         thumb_unexpanded_epilogue): Use unsigned long as the type for the
12625         register bit-mask.
12626         (thumb_compute_save_reg_mask): Likewise.  Also use
12627         thumb_find_work_register() to ensure that there is agreement about
12628         which work register is going to be used in the prologue.
12629         (thumb_output_function_prologue): Use unsigned long as the type
12630         for the register bit-mask.  Also delay pushing the link register if
12631         other high registers are going to be pushed.
12632         (thumb_compute_save_reg_mask, emit_multi_reg_push,
12633         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
12634         redundant prototypes.
12635
12636 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
12637
12638         PR target/19819
12639         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
12640         and after reload in REG+REG indexed addresses without REG_POINTER
12641         set in the base and not set in the index.
12642
12643 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
12644
12645         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
12646         Don't undefine here.
12647         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
12648         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
12649         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
12650         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
12651         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
12652         Delete.
12653         * config.gcc (sh*-*-linux*): Use config/linux.h.
12654
12655 2005-02-28  Dale Johannesen  <dalej@apple.com>
12656             Stan Shebs  <shebs@apple.com>
12657
12658         Rewrite of 64-bit Darwin structure-by-value pass/return.
12659         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
12660         intoffset, use_stack, named.
12661         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
12662         (rs6000_darwin64_record_arg_advance_flush):  New.
12663         (rs6000_darwin64_record_arg_advance_recurse): New.
12664         (rs6000_darwin64_record_arg_flush):  New.
12665         (rs6000_darwin64_record_arg_recurse):  New.
12666         (rs6000_darwin64_record_arg):  New.
12667         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
12668         (function_arg_boundary):  Handle 128-bit aligned structs.
12669         (function_arg_advance):  Rewrite darwin64 struct handling.
12670         (function_arg):  Call rs6000_darwin64_record_arg.
12671         (function_arg_partial_nregs):  Handle darwin64 structs.
12672         (rs6000_darwin64_function_value):  Remove.
12673         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
12674
12675 2005-02-28  Roger Sayle  <roger@eyesopen.com>
12676
12677         PR tree-optimization/20216
12678         * tree-chrec.c (tree_fold_factorial): Delete.
12679         (tree_fold_binomial): Change argument list to take a return type
12680         and change the type of K to unsigned int.  Rewrite to avoid explicit
12681         evaluation of factorials, and (recursively) calling fold to perform
12682         compile-time arithmetic.  Return NULL on (internal) overflow.
12683         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
12684         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
12685         if any intermediate calculation overflows.
12686         (chrec_apply): Update call to chrec_evaluate.
12687
12688 2005-02-28  James E Wilson  <wilson@specifixinc.com>
12689
12690         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
12691
12692 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
12693
12694         PR c/20245
12695         * c-parser.c (c_parser_compound_statement): Return error_mark_node
12696         instead of NULL_TREE on error.
12697
12698 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
12699
12700         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
12701         (EASY_VECTOR_15_ADD_SELF): Remove.
12702         (num_insns_constant_wide): Not static.
12703         (validate_condition_mode): Not static.
12704         (toc_relative_expr_p): Not static.
12705         (legitimate_indirect_address_p): Not static.
12706         (macho_lo_sum_memory_operand): Not static.
12707         (invalid_e500_subreg): Not static.
12708         (easy_vector_same): Not static.
12709         (easy_vector_splat_const): Not static.
12710         (RS6000_SYMBOL_REF_TLS_P): Remove.
12711         (any_operand): Delete.
12712         (any_parallel_operand): Delete.
12713         (count_register_operand): Delete.
12714         (altivec_register_operand): Delete.
12715         (xer_operand): Delete.
12716         (s8bit_cint_operand): Delete.
12717         (short_cint_operand): Delete.
12718         (u_short_cint_operand): Delete.
12719         (non_short_cint_operand): Delete.
12720         (exact_log2_cint_operand): Delete.
12721         (gpc_reg_operand): Delete.
12722         (cc_reg_operand): Delete.
12723         (cc_reg_not_cr0_operand): Delete.
12724         (reg_or_short_operand): Delete.
12725         (reg_or_neg_short_operand): Delete.
12726         (reg_or_aligned_short_operand): Delete.
12727         (reg_or_u_short_operand): Delete.
12728         (reg_or_cint_operand): Delete.
12729         (reg_or_arith_cint_operand): Delete.
12730         (reg_or_add_cint64_operand): Delete.
12731         (reg_or_sub_cint64_operand): Delete.
12732         (reg_or_logical_cint_operand): Delete.
12733         (got_operand): Delete.
12734         (got_no_const_operand): Delete.
12735         (easy_fp_constant): Delete.
12736         (easy_vector_constant): Delete.
12737         (easy_vector_constant_add_self): Delete.
12738         (zero_constant): Delete.
12739         (zero_fp_constant): Delete.
12740         (volatile_mem_operand): Delete.
12741         (offsettable_mem_operand): Delete.
12742         (mem_or_easy_const_operand): Delete.
12743         (add_operand): Delete.
12744         (non_add_cint_operand): Delete.
12745         (logical_operand): Delete.
12746         (non_logical_cint_operand): Delete.
12747         (mask_operand): Delete.
12748         (mask_operand_wrap): Delete.
12749         (mask64_operand): Delete.
12750         (mask64_2_operand): Delete.
12751         (and64_operand): Delete.
12752         (and64_2_operand): Delete.
12753         (and_operand): Delete.
12754         (reg_or_mem_operand): Delete.
12755         (lwa_operand): Delete.
12756         (symbol_ref_operand): Delete.
12757         (call_operand): Delete.
12758         (current_file_function_operand): Delete.
12759         (input_operand): Delete.
12760         (rs6000_nonimmediate_operand): Delete.
12761         (rs6000_tls_symbol_ref): Delete.
12762         (save_world_operation): Delete.
12763         (restore_world_operation): Delete.
12764         (load_multiple_operation): Delete.
12765         (store_multiple_operation): Delete.
12766         (vrsave_operation): Delete.
12767         (mfcr_operation): Delete.
12768         (mtcrf_operation): Delete.
12769         (lmw_operation): Delete.
12770         (stmw_operation): Delete.
12771         (branch_comparison_operator): Delete.
12772         (branch_positive_comparison_operator): Delete.
12773         (scc_comparison_operator): Delete.
12774         (trap_comparison_operator): Delete.
12775         (boolean_operator): Delete.
12776         (boolean_or_operator): Delete.
12777         (min_max_operator): Delete.
12778         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
12779         (EASY_VECTOR_15): Moved to here.
12780         (EASY_VECTOR_15_ADD_SELF): Move to here.
12781         (PREDICATE_CODES): Delete.
12782         * config/rs6000/rs6000-protos.h: Delete predicate functions.
12783         Declare functions no longer static.
12784         * config/rs6000/predicates.md: New.
12785         * config/rs6000/rs6000.md: Include predicates.md
12786
12787 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
12788
12789         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
12790         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
12791         REG_ALWAYS_RETURN.
12792         * cfgrtl.c (need_fake_edge_p): Likewise.
12793         * combine.c (distribute_notes): Likewise.
12794         * emit-rtl.c (try_split): Likewise.
12795         * recog.c (peephole2_opimize): Likewise.
12796         * reg-notes.def (ALWAYS_RETURN): Remove.
12797         * rtl.h (LCT_ALWAYS_RETURN): Remove.
12798         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
12799         * tree.h (ECF_ALWAYS_RETURN): Remove.
12800
12801 2005-02-28  Roger Sayle  <roger@eyesopen.com>
12802
12803         PR middle-end/19874
12804         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
12805         between different machine modes is never a "useless" conversion.
12806
12807 2005-02-28  Geert Bosch  <bosch@gnat.com>
12808
12809         PR ada/15977
12810         * doc/contrib.texi: List contributors for Ada front end
12811
12812 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
12813
12814         * simplify-rtx.c (simplify_unary_operation_1,
12815         simplify_const_unary_operation): New, extracted from...
12816         (simplify_unary_operation): ... this one.
12817         (simplify_binary_operation_1,
12818         simplify_const_binary_operation): New, extracted from...
12819         (simplify_binary_operation): ... this one.
12820         * rtl.h (simplify_const_unary_operation,
12821         simplify_const_binary_operation): Add prototypes.
12822
12823 2005-02-28  Julian Brown  <julian@codesourcery.com>
12824
12825         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
12826         building libjava and caused PR regression/20228.
12827
12828 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
12829
12830         PR bootstrap/17383
12831         * Makefile.in (host_subdir): New.
12832         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
12833         * configure: Regenerate.
12834
12835 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
12836
12837         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
12838         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
12839         installation directory first.
12840
12841 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
12842
12843         PR target/19065.
12844         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
12845         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
12846         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
12847         * config/cris/cris.md: Tweak comments referring to Q.
12848         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
12849         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
12850         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
12851         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
12852         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
12853         Insert spaces in constraints to align alternatives vertically for
12854         readability.
12855         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
12856         operand 1: "M".
12857
12858 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12859
12860         PR rtl-optimization/17728
12861         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
12862         operand 0 from general_operand to move_dest_operand.
12863
12864 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12865
12866         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
12867         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
12868         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
12869         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
12870
12871 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
12872
12873         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
12874         * configure: Regenerate.
12875         * libada-mk.in: Remove CC; rename
12876         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
12877
12878 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
12879
12880         PR tree-opt/20188
12881         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
12882         for the lhs, also walk over the tree.  Likewise for rhs.
12883
12884 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
12885
12886         * tree-ssa-dom.c (simple_iv_increment_p): New function.
12887         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
12888         Do not propagate value of iv before increment over the increment.
12889
12890 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
12891
12892         * c-parser.c: New file.
12893         * c-parse.in: Remove.
12894         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
12895         Remove.
12896         (c-parser.o): Add dependencies.
12897         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
12898         maintainer-clean, TAGS): Update.
12899         * c-config-lang.in (gtfiles): Update.
12900         * gengtype-lex.l: Don't handle "@@".
12901         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
12902         objc_build_synchronized, objc_begin_try_stmt,
12903         objc_begin_catch_clause, objc_finish_catch_clause,
12904         objc_build_finally_clause, objc_finish_try_stmt): New.
12905         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
12906         type_seen_p.
12907         (c_parse_init): Update comment.
12908         * c-decl.c (c_init_decl_processing): Update comment.
12909         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
12910         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
12911         new c_declspecs members.
12912
12913 2005-02-25  Julian Brown  <julian@codesourcery.com>
12914
12915         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
12916         from being used for symbols with vague linkage when
12917         HAVE_GAS_COMDAT_GROUP is true.
12918
12919 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
12920
12921         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
12922
12923 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
12924
12925         PR target/19930
12926         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
12927         (LIBGCC2_HAS_DF_MODE): New.
12928         (LIBGCC2_HAS_XF_MODE): New.
12929         (LIBGCC2_HAS_TF_MODE): New.
12930         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
12931         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
12932         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
12933         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
12934         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
12935         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
12936         and add _fixtfdi, _fixunstfdi, _floatditf
12937         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
12938         L_fixunstfdi, L_floatditf.
12939         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
12940         (LIBGCC2_HAS_TF_MODE): Define.
12941
12942 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
12943
12944         PR tree-optimization/20204
12945         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
12946         REWRITE_THIS_STMT markers on PHI nodes.
12947         (rewrite_initialize_block): Likewise.
12948
12949 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
12950
12951         * version.c (version_string): Update to 4.1.
12952
12953 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
12954
12955         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
12956         Clarify that the alternative way doesn't work in GNU C++.
12957
12958 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
12959
12960         PR tree-optimization/19937
12961         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
12962         to the type of the induction variable.
12963
12964 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
12965
12966         PR rtl-optimization/20117
12967         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
12968         the block including noncopyable insn.
12969
12970 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
12971
12972         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
12973         calls to find_reg_note.
12974
12975 2005-02-24  Richard Henderson  <rth@redhat.com>
12976
12977         PR tree-opt/20127
12978         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
12979         the type.
12980
12981 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
12982
12983         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
12984         vector types if to use base reg for misaligned non-word ld/std.
12985
12986 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
12987
12988         PR target/14619
12989         * config/cris/cris.c (cris_target_asm_function_prologue): Create
12990         dwarf2 label manually and put it after, not before the prologue.
12991
12992 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
12993
12994         PR target/19019
12995         * reload.c (operands_match_p): Only increment register number for
12996         SCALAR_INT_MODE_P modes in multiple hard registers.
12997
12998         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
12999         Fix formatting.
13000
13001 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
13002
13003         * ChangeLog.5: Fix log message typo(s).
13004         * ChangeLog.7: Likewise.
13005         * ChangeLog.tree-ssa: Likewise.
13006         * cfgexpand.c: Fix comment typo(s).
13007         * conflict.c: Likewise.
13008         * defaults.h: Likewise.
13009         * dwarf2out.c: Likewise.
13010         * gcse.c: Likewise.
13011         * ggc-page.c: Likewise.
13012         * tree-eh.c: Likewise.
13013         * tree-ssa-dom.c: Likewise.
13014
13015 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
13016
13017         PR target/19019
13018         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
13019         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
13020         if SHARED is defined.
13021
13022         PR target/20196
13023         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
13024         allow splitting only if operands 0 and 3 don't overlap.
13025
13026 2005-02-24  Richard Henderson  <rth@redhat.com>
13027
13028         PR middle-end/19953
13029         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
13030         (fold_builtin_1): Call them.
13031         * fold-const.c (fold_complex_mult_parts): Split out from ...
13032         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
13033         (fold_complex_div_parts, fold_complex_div): New.
13034         (fold): Use them.
13035         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
13036
13037 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
13038
13039         * tree-ssa-ccp.c (visit_assignment): Verify that result of
13040         VIEW_CONVERT_EXPR is_gimple_min_invariant.
13041
13042         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
13043         (print_node): Likewise.
13044         Print TYPE_SIZES_GIMPLIFIED.
13045
13046 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
13047
13048         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
13049         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
13050         operands as commutative in constraints.
13051
13052 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
13053
13054         * tree-into-ssa.c: Re-organize internal functions.
13055
13056 2005-02-24  Richard Henderson  <rth@redhat.com>
13057
13058         PR middle-end/18902
13059         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
13060         for c99.
13061         * common.opt (fcx-limited-range): New.
13062         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
13063         * toplev.c (flag_complex_method): Initialize to 1.
13064         (process_options): Set flag_complex_method to 0 if
13065         flag_cx_limited_range.
13066         * doc/invoke.texi (-fcx-limited-range): New.
13067
13068 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
13069
13070         * cse.c (delete_trivially_dead_insns): Speed up by using
13071         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
13072         prev_real_insn.
13073
13074 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
13075
13076         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
13077         functions when -mid-shared-library is being used.
13078
13079 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
13080
13081         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
13082         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
13083         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
13084         * system.h: Poison LINK_LIBGCC_SPECIAL.
13085
13086 2005-02-23  James E Wilson  <wilson@specifixinc.com>
13087
13088         * gengtype.c (note_insn_name): Make 1 element larger.
13089
13090 2005-02-23  Roger Sayle  <roger@eyesopen.com>
13091
13092         PR target/20018
13093         PR rtl-optimization/20097
13094         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
13095         BImode SUBREGs of SImode registers which confuse the ia64 backend.
13096
13097 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
13098
13099         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
13100         * t-aix52 (SHLIB_INSTALL): Same.
13101
13102 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
13103
13104         * genpreds.c: Update copyright.
13105
13106 2005-02-23  Michael Beach  <michaelb@ieee.org>
13107
13108         PR target/20159
13109         * config/sparc/t-elf (startup files): Assemble with CPP.
13110
13111 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
13112
13113         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
13114         (write_predicate_expr): Likewise.
13115
13116 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
13117
13118         PR tree-optimization/20100
13119         PR tree-optimization/20115
13120         * tree-optimize.c (init_tree_optimization_passes): Remove
13121         pass_maybe_create_global_var.
13122         * tree-pass.h (pass_maybe_create_global_var): Remove.
13123         * tree-ssa-alias.c (aliases_computed_p): Declare.
13124         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
13125         (count_calls_and_maybe_create_global_var): Remove.
13126         (pass_maybe_create_global_var): Remove.
13127         (init_alias_info): Do not declare aliases_computed_p.
13128         (maybe_create_global_var): If the function contains no
13129         call-clobbered variables and a mix of pure/const and regular
13130         function calls, create .GLOBAL_VAR.
13131         Mark all call-clobbered variables for renaming.
13132         (merge_pointed_to_info): Update comment.
13133         (add_pointed_to_var): Likewise.
13134         (is_escape_site): Likewise.
13135         Accept struct alias_info * instead of size_t *.
13136         Update all users.
13137         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
13138         as necessary.
13139         * tree-ssa-operands.c (get_call_expr_operands): If
13140         ALIASES_COMPUTED_P is false, do not add call-clobbering
13141         operands.
13142         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
13143         (delete_tree_ssa): Likewise.
13144
13145 2005-02-22  James E Wilson  <wilson@specifixinc.com>
13146
13147         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
13148         (do_compile): Do call it here.
13149
13150 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
13151
13152         PR rtl-optimization/20017.
13153         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
13154         rest_of_handle_cse2, rest_of_handle_gcse): Call
13155         delete_dead_jumptables immediately before calling cleanup_cfg.
13156
13157 2005-02-22  Devang Patel  <dpatel@apple.com>
13158
13159         PR 19952
13160         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
13161         all labels
13162
13163 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
13164
13165         * config/rs6000/aix.h (WINT_TYPE): Define.
13166
13167 2005-02-22  Stan Shebs  <shebs@apple.com>
13168
13169         * config/rs6000/rs6000.c (rs6000_override_options): Default to
13170         natural alignment for 64-bit Darwin.
13171         (rs6000_parse_alignment_option): Warn about uses of -malign-power
13172         on 64-bit Darwin.
13173         * doc/invoke.texi: Document this.
13174
13175 2005-02-22  DJ Delorie  <dj@redhat.com>
13176
13177         * c-common.c (c_common_type_for_mode): Pass the mode's precision
13178         to make_[un]signed_type, not the mode itself.
13179
13180 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
13181
13182         * cfg.c (cached_make_edge): Call make_edge if edge cache is
13183         not available.  Use tail calls wherever possible.
13184         (make_edge): Call unchecked_make_edge to create an edge.
13185
13186         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
13187         (coalesce_ssa_name): Don't check for
13188         SSANORM_USE_COALESCE_LIST.
13189         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
13190
13191 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
13192
13193         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
13194         (rewrite_into_ssa): ... here.
13195
13196 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
13197
13198         PR tree-optimization/19786
13199         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
13200         tag to another's may-alias bitmap when adding to the other's list.
13201
13202 2005-02-21  DJ Delorie  <dj@redhat.com>
13203
13204         * tree-ssa-loop-ivopts.c (computation_cost): Start register
13205         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
13206         registers in unsupported ways.
13207         * expmed.c (init_expmed): Likewise.
13208
13209 2005-02-21  Stan Cox  <scox@redhat.com>
13210
13211         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
13212
13213 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
13214
13215         * tree-cfg.c (fold_cond_expr_cond): New.
13216         (make_edges): Call fold_cond_expr_cond.
13217         (find_taken_edge): Accept nothing but INTEGER_CST.
13218         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
13219         and 1.
13220         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
13221
13222         * flow.c (delete_dead_jumptables): Speed up by scanning insns
13223         that do not belong to any basic block.
13224
13225 2005-02-21  Jeff Law  <law@redhat.com>
13226
13227         * cfganal.c (find_unreachable_blocks): Manually CSE load of
13228         e->dest.
13229
13230 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
13231
13232         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
13233         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
13234         Adjust their definitions.
13235         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
13236         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
13237
13238         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
13239         genautomata.c, langhooks.c, langhooks.h, system.h,
13240         config/arm/lib1funcs.asm: Update copyright.
13241
13242 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
13243
13244         * dbxout.c (dbxout_function_end): Emit Lscope label always.
13245
13246 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
13247
13248         PR bootstrap/13770
13249         * doc/install.texi: Document --with-gc.
13250
13251 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
13252
13253         * simplify-rtx.c (simplify_unary_operation): Add a missing
13254         "break" statement.
13255
13256 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
13257
13258         PR tree-optimization/18663
13259         * tree-ssa-dom.c (extract_range_from_cond): Return 0
13260         if the type has variable bounds.
13261
13262 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
13263
13264         * gcse.c: Remove an obsolete comment.
13265
13266         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
13267
13268 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
13269
13270         * doc/extend.texi (Function Attributes) <Attribute const>: The
13271         attribute "pure" is below this text, not above.
13272
13273 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13274
13275         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
13276         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
13277         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
13278
13279 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
13280
13281         PR 18785
13282         * langhooks.h (struct lang_hooks): Add to_target_charset.
13283         * langhooks.c (lhd_to_target_charset): New function.
13284         * langhooks-def.h: Declare lhd_to_target_charset.
13285         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
13286         (LANG_HOOKS_INITIALIZER): Update.
13287         * c-common.c (c_common_to_target_charset): New function.
13288         * c-common.h: Declare it.
13289         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
13290         c_common_to_target_charset.
13291
13292         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
13293         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
13294         Delete definitions.
13295         * system.h: Poison them.
13296         * doc/tm.texi: Don't discuss them.
13297         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
13298         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
13299         (pp_c_char): Do not attempt to generate letter escapes for
13300         newline, tab, etc.
13301         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
13302         * config/mips/mips.c (mips_output_ascii): Likewise.
13303
13304 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
13305
13306         PR tree-optimization/19951
13307         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
13308         is abnormal.
13309
13310 2005-02-19  Steven Bosscher  <stevenb@suse.de>
13311
13312         PR middle-end/19698
13313         * function.h (struct function): New field `max_loop_depth'.
13314         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
13315         (flow_loops_find): Reset the max loop depth count before finding loops.
13316         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
13317         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
13318         (calculate_global_regs_live): Make sure the loop will terminate
13319         when the initial sets are not empty.
13320
13321 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
13322
13323         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
13324         object inside.
13325         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
13326
13327 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
13328
13329         PR other/19525
13330         * doc/invoke.texi: Remove documentation of %M spec.
13331         * gcc.c: Likewise.
13332         (init_spec): Remove %M suffix from -lgcc_s.
13333         (do_spec_1): Remove 'M' case.
13334         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
13335         to put shared libraries in the multilib directory.  Remove the
13336         shlib_so_soname substitution variable.  Don't add a multilib encoding
13337         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
13338         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
13339         SHLIB_INSTALL as well as SHLIB_LINK.
13340         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
13341         (SHLIB_NAME): Delete.
13342         (SHLIB_DIR): New macro.
13343         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
13344         (SHLIB_INSTALL): Adjust accordingly.
13345         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
13346         * config/t-slibgcc-sld: Likewise.
13347         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
13348         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
13349         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
13350         in $(SHLIB_DIR).
13351         (SHLIBUNWIND_INSTALL): Adjust accordingly.
13352         * config/i386/t-nwld (SHLIB_SONAME): Delete.
13353         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
13354         Use @shlib_base_name@ instead of @shlib_so_name@.
13355         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
13356         and @shlib_base_name@.so in @multilib_dir@.
13357         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
13358         to the install path.
13359         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
13360         (SHLIB_LINK): Remove previous workaround.
13361         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
13362         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
13363         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
13364         the install path.
13365         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
13366         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
13367         (SHLIB_INSTALL): Adjust accordingly.
13368         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
13369         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
13370         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
13371         config/t-slibgcc-elf-ver.
13372
13373 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
13374             Jakub Jelinek  <jakub@redhat.com>
13375
13376         PR tree-optimization/19828
13377         * tree-ssa-loop-im.c: Add a TODO comment.
13378         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
13379         without side-effects.
13380
13381 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
13382
13383         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
13384         call fold_convert.
13385
13386 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
13387
13388         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
13389         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
13390         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
13391         functions.
13392         (ia64_reorg): Delete fixup_errata call.
13393         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
13394         (TARGET_SWITCHES): Delete -mb-step entry.
13395
13396 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
13397
13398         PR c/20043
13399         * c-typeck.c (composite_type): Handle quals in transparent unions.
13400         (type_lists_compatible_p): Likewise.
13401
13402 2005-02-18  Stan Shebs  <shebs@apple.com>
13403
13404         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
13405         expressions in the .literal8 section.
13406
13407 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
13408
13409         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
13410
13411 2005-02-18  Roger Sayle  <roger@eyesopen.com>
13412
13413         * fold-const.c (constant_boolean_node): Always create values of the
13414         specified type, don't bother calling truthvalue_conversion.
13415
13416 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
13417
13418         * except.c (output_function_exception_table): Call
13419         assemble_external_libcall (eh_personality_libfunc).
13420
13421 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
13422
13423         PR target/19886
13424         * config/ia64/ia64.h (struct machine_function): Add state_num.
13425         * config/ia64/ia64.c (process_epilogue,
13426         process_for_unwind_directive): Use new unwind state numbers each
13427         time rather than state 1.
13428
13429 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
13430
13431         PR target/20054
13432         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
13433         before the "*llgt_didi" pattern.
13434
13435 2005-02-18  Jason Merrill  <jason@redhat.com>
13436
13437         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
13438
13439 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
13440
13441         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
13442         (div0): Use it in place of ARM_FUNC_ALIAS.
13443         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
13444
13445 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
13446
13447         PR middle-end/20030
13448         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
13449         access, the lower bound of the array type if it exists.
13450
13451 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
13452
13453         PR c++/20008
13454         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
13455         cases that are out-of-range for the index type.
13456
13457 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
13458
13459         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
13460         (estimate_case_costs): Don't call convert.
13461         * expmed.c (expand_shift): Likewise.
13462         (make_tree): Call fold_convert instead of convert.
13463
13464 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
13465
13466         PR c++/19813
13467         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
13468         that ref to be marked MEM_READONLY_P doesn't have base that needs
13469         constructing.
13470
13471 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
13472
13473         * genautomata.c (output_get_cpu_unit_code_func,
13474         output_cpu_unit_reservation_p): Don't generate old-style function
13475         definitions.
13476
13477 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
13478
13479         PR c++/20023
13480         PR tree-optimization/20009
13481         * convert.c (convert_to_integer): Revert 2005-02-16 change.
13482
13483         PR tree-optimization/18947
13484         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
13485         inline, remove all nodes that are inlined into the extern inline
13486         being redefined.
13487
13488 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
13489
13490         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
13491         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
13492         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
13493         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
13494         Update copyright.
13495
13496 2005-02-17  Roger Sayle  <roger@eyesopen.com>
13497
13498         PR tree-optimization/19917
13499         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
13500         to be potentially trapping.
13501
13502 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
13503
13504         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
13505
13506 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
13507
13508         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
13509         tem becomes a local variable which is set to the value of the
13510         back end defined INITIAL_FRAME_ADDRESS macro.
13511         (expand_builtin_frame_address): Omit the base parameter to
13512         expand_builtin_return_addr.
13513         (expand_builtin_profile_func): Likewise.
13514         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
13515         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
13516         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
13517
13518 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
13519
13520         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
13521         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
13522         * config/frv/frv.c (frv_function_epilogue): Likewise.
13523
13524 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
13525
13526         * lambda-code (perfect_nestify): Remove mark/unmark
13527         for rewriting hack.
13528         * tree-loop-linear.c (linear_transform_loops): Add
13529         rewrite_into_ssa call so that ssa is correct for
13530         rewriting into loop closed.
13531
13532 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
13533
13534         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
13535         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
13536         BITMAP_FREE.
13537         * bt-load.c (btr_def_live_range, combine_btr_defs,
13538         migrate_btr_def, migrate_btr_defs): Likewise.
13539         * cfgcleanup.c (thread_jump): Likewise.
13540         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
13541         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
13542         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
13543         df_rd_local_compute, df_reg_info_compute): Likewise.
13544         * dominance.c (init_dom_info, free_dom_info): Likewise.
13545         * flow.c (init_propagate_block_info,
13546         free_propagate_block_info): Likewise.
13547         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
13548         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
13549         modify_reg_pav): Likewise.
13550         * loop-invariant.c (find_defs, find_invariant_insn,
13551         find_invariants, free_inv_motion_data): Likewise.
13552         * predict.c (tree_predict_by_opcode,
13553         estimate_bb_frequencies): Likewise.
13554         * stmt.c (expand_case): Likewise.
13555         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
13556         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
13557         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
13558         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
13559         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
13560         rewrite_ssa_into_ssa): Likewise.
13561         * tree-optimize.c (tree_rest_of_compilation): Likewise.
13562         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
13563         analyze_edges_for_bb, perform_edge_inserts): Likewise.
13564         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
13565         * tree-sra.c (tree_sra): Likewise.
13566         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
13567         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
13568         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
13569         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
13570         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
13571         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
13572         Likewise.
13573         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
13574         calculate_live_on_entry, calculate_live_on_exit,
13575         build_tree_conflict_graph): Likewise.
13576         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
13577         record_important_candidates, set_use_iv_cost, find_depends,
13578         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
13579         tree_ssa_iv_optimize_finalize): Likewise.
13580         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
13581         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
13582         tree_duplicate_loop_to_header_edge): Likewise.
13583         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
13584         * tree-ssa.c (verify_flow_insensitive_alias_info,
13585         verify_name_tags, verify_ssa, init_tree_ssa,
13586         delete_tree_ssa): Likewise.
13587         * tree-ssanames.c (marked_ssa_names, init_ssanames,
13588         fini_ssanames): Likewise.
13589         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
13590
13591 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
13592
13593         * config/rs6000/t-rtems: Completely reworked.
13594
13595 2005-02-17  Ira Rosen  <irar@il.ibm.com>
13596
13597         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
13598
13599 2005-02-17  Ira Rosen  <irar@il.ibm.com>
13600
13601         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
13602         POINTER_TYPE_P when checking that type is a pointer.
13603         (vect_get_memtag): Remove.
13604         (vect_address_analysis): Use POINTER_TYPE_P. Call
13605         vect_object_analysis with dummy parameter for memtag.
13606         (vect_object_analysis): Extract memtag (functionality that
13607         used to be in vect_get_memtag and moved here). Fix printings.
13608         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
13609         with correct parameters. Remove call to vect_get_memtag.
13610
13611 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
13612
13613         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
13614         (tree-vectorizer.o): Added missing dependencies.
13615
13616         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
13617         decleration.
13618         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
13619         declaration in tree-vectorizer.c, now has an extern declaration in
13620         tree-vectorizer.h).
13621         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
13622         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
13623         get_vectype_for_scalar_type, vect_is_simple_use,
13624         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
13625         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
13626         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
13627         vectorizable_store, vectorizable_operation, vectorizable_assignment,
13628         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
13629         find_loop_location): Likewise.
13630
13631         * tree-vectorizer.c (langhooks.h): #include removed.
13632         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
13633         moved to tree-vectorized.h.
13634         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
13635         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
13636         get_vectype_for_scalar_type, vect_is_simple_use,
13637         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
13638         vect_supportable_dr_alignment, new_loop_vec_info,
13639         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
13640         vect_set_verbosity_level, find_loop_location): Likewise.
13641
13642         (vect_analyze_loop): Function externalized. Declaration moved to
13643         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
13644         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
13645         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
13646         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
13647         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
13648         vect_enhance_data_refs_alignment, vect_analyze_operations,
13649         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
13650         vect_stmt_relevant_p, vect_get_loop_niters,
13651         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
13652         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
13653         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
13654         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
13655         vect_get_memtag): Likewise.
13656
13657         (vectorizable_load): Function externalized. Declaration moved to
13658         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
13659         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
13660         vect_transform_loop): Likewise.
13661         (vect_transform_stmt): Moved to tree-vect-transform.c.
13662         (vect_align_data_ref, vect_create_destination_var,
13663         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
13664         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
13665         vect_get_vec_def_for_operand, vect_init_vector,
13666         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
13667         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
13668         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
13669         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
13670         vect_do_peeling_for_loop_bound): Likewise.
13671
13672         * tree-vect-analyze.c: New file.
13673         * tree-vect-transform.c: New file.
13674
13675 2005-02-17  Jason Merrill  <jason@redhat.com>
13676
13677         PR mudflap/19319, c++/19317
13678         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
13679         slot explicit.
13680
13681 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
13682
13683         * doc/install.texi (Specific): Update link for Darwin-specific
13684         tool binary site.
13685
13686 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
13687
13688         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
13689         constant_boolean_node.
13690
13691 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
13692
13693         PR target/19019
13694         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
13695         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
13696
13697 2005-02-16  Richard Henderson  <rth@redhat.com>
13698
13699         PR 19920
13700         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
13701         with W_TYPE_SIZE.
13702         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
13703         replace uses with Wtype_MAXp1_F.
13704         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
13705         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
13706         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
13707         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
13708         and HAVE_TFMODE as appropriate.
13709         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
13710         (__floatdisf): Likewise.
13711         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
13712         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
13713         (Wtype_MAXp1_F): New.
13714         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
13715         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
13716
13717 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
13718
13719         * PR target/19162
13720         * arm.c (arm_apply_result_size): New function.
13721         * arm.h (APPLY_RESULT_SIZE): Define.
13722         * arm-protos.h (arm_apply_result_size): Add prototype.
13723         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
13724         (movxf): New expand.
13725         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
13726         (call_value_symbol): Remove predicate for operand 0.
13727         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
13728         (untyped_call): Rework to correclty return values for any type.
13729         (untyped_return): New expand.
13730         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
13731
13732 2005-02-16  Stan Shebs  <shebs@apple.com>
13733
13734         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
13735         * config/rs6000/t-darwin8: New, for 64-bit multilib.
13736
13737 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
13738
13739         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
13740         configure settings on Solaris 7 and later.
13741
13742 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
13743
13744         PR tree-optimization/19865
13745         * tree-optimize.c (init_tree_optimization_passes): Run
13746         pass_may_alias after pass_sra.
13747
13748 2005-02-16  Richard Henderson  <rth@redhat.com>
13749             Stuart Hastings  <stuart@apple.com>
13750
13751         PR debug/19521
13752         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
13753         Do nothing if debug info suppressed for this function.
13754         (dbxout_begin_function): Early exit if debug info suppressed for
13755         this function.
13756
13757 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
13758
13759         PR target/20007
13760         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
13761         find_basic_blocks.
13762         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
13763
13764         PR tree-optimization/19967
13765         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
13766         expand_builtin_strchr, expand_builtin_strrchr): Take a new
13767         argument TYPE.  Adjust calls to fold_builtin_XXX.
13768         (expand_builtin, fold_builtin_1): Adjust calls to
13769         expand_builtin_XXX.
13770         (fold_builtin_strchr, fold_builtin_strpbrk,
13771         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
13772         result to a requested type TYPE.
13773
13774 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
13775
13776         PR middle-end/19857
13777         * fold-const.c (fold): Don't optimize (T)(x & cst) to
13778         (T)x & (T)cst if (T)cst overflows.
13779         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
13780         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
13781
13782 2005-02-15  Jeff Law  <law@redhat.com>
13783
13784         * gcse.c (blocks_with_calls): New bitmap.
13785         (alloc_gcse_mem): Allocate it.
13786         (free_gcse_mem): Free it.
13787         (clear_modifY_mem_tables): Clear it.
13788         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
13789         when we encounter CALL_INSNs.
13790         (compute_transp, case MEM): Handle blocks with calls separate
13791         from blocks without calls.  Use bitmap iterators rather than
13792         FOR_EACH_BB.
13793
13794 2005-02-15  Peter O'Gorman  <peter@pogma.com>
13795
13796         PR bootstrap/18810
13797         * mklibgcc.in (vis_hide): Use a temporary object file, not
13798         -o /dev/null.
13799
13800 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
13801
13802         PR target/19924
13803         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
13804         access optimization.
13805
13806 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
13807             Alan Modra  <amodra@bigpond.net.au>
13808
13809         PR target/19019
13810         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
13811         (_xlqsub): Rename to __gcc_qsub.
13812         (_xlqmul): Rename to __gcc_qmul.
13813         (_xlqdiv): Rename to __gcc_qdiv.
13814         Provide versioned symbol aliases with old names.
13815         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
13816         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
13817         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
13818         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
13819         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
13820
13821 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
13822
13823         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
13824         Fold ~(A - 1) and ~(A + -1) to -A.
13825
13826 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
13827
13828         PR pch/14940
13829         PR target/19300
13830         * config/host-linux.c (linux_gt_pch_use_address): Copy from
13831         config/pa/pa-host.c:pa_gt_pch_use_address.
13832
13833 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
13834
13835         * tree-vn.c (get_value_handle): Make sure that given an
13836         is_gimple_min_invariant expression, we always return it.
13837
13838 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
13839
13840         * passes.c (rest_of_handle_gcse): Fix a comment.
13841
13842 2005-02-15  Jeff Law  <law@redhat.com>
13843
13844         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
13845         bitmap.
13846         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
13847         (canon_list_insert, record_last_mem_set_info): Similarly.
13848         (clear_modify_mem_tables): Similarly.
13849
13850 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
13851
13852         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
13853         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
13854         config/mips/mips.md, config/rs6000/aix.h,
13855         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
13856
13857 2005-02-15  Richard Henderson  <rth@redhat.com>
13858
13859         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
13860         call to be best_edge.
13861
13862 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
13863
13864         * basic-block.h: Adjust the prototype for find_basic_blocks.
13865         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
13866         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
13867         find_basic_blocks.
13868
13869         * flow.c (recompute_reg_usage): Remove all arguments.
13870         * passes.c (rest_of_compilation): Adjust the call to
13871         recompute_reg_usage.
13872         * rtl.h: Adjust the prototype for recompute_reg_usage.
13873
13874 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
13875
13876         * tree-dump.c (dump_files): Update to reflect new member
13877         of dump_file_info.
13878         (dump_register): Add new argument.
13879         Set glob name.
13880         (dump_switch_p_1): Check against glob name if doglob was passed.
13881         (dump_switch_p): Check against regular first, then glob if
13882         we didn't have any hits on the dump name.
13883         * tree-optimize.c (register_one_dump_file):
13884         Pass in glob name as well.
13885         * tree-pass.h (struct dump_file_info): Add glob
13886         member.
13887
13888 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
13889
13890         PR preprocessor/16323
13891         * doc/invoke.texi: Document that -Wendif-labels is on by default.
13892
13893 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
13894
13895         PR target/19019
13896         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
13897         (trunctfdf2_internal1): New.
13898         (trunctfdf2_internal2): Renamed from trunctfdf2.
13899
13900 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
13901
13902         PR tree-optimization/19853
13903         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
13904
13905 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
13906
13907         * passes.c (rest_of_handle_loop_optimize): Remove calls to
13908         delete_dead_jumptables and cleanup_cfg.
13909
13910 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
13911
13912         * reload.c (find_reloads): Swap address_reloaded flags when
13913         swapping commutative operands.
13914
13915 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
13916
13917         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
13918         Use standard_iv_increment_position for computing the bsi position
13919         for create_iv.
13920         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
13921         the bsi position.
13922
13923 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
13924
13925         PR target/17428
13926         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
13927         life range of hard registers.
13928         * value-prof.c (insn_prefetch_values_to_profile): Only
13929         scan normal insns.
13930
13931         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
13932         profile in libcalls.
13933
13934 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
13935
13936         * bitmap.h (bitmap_and_compl_into): Return bool.
13937         * bitmap.c (bitmap_and_compl_into): Return changed flag.
13938
13939 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
13940
13941         PR tree-optimization/19944
13942         * fold-const.c (fold): Re-add ABS_EXPR folding.
13943
13944 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
13945
13946         PR target/19019
13947         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
13948         {TARGET,MASK}_XL_COMPAT.
13949         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
13950         MASK_XL_COMPAT.
13951         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
13952         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
13953         TARGET_XL_COMPAT.
13954         (rs6000_arg_partial_bytes): Same.
13955         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
13956         and XL compatibility enabled.
13957         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
13958         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
13959         test to final condition.
13960         (cmptf_internal2): New.
13961         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
13962         xl-compat.  Add TFmode information to description.
13963
13964 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
13965
13966         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
13967
13968 2005-02-13  Jason Merrill  <jason@redhat.com>
13969
13970         PR c++/16405
13971         * fold-const.c (fold_indirect_ref_1): Split out from...
13972         (build_fold_indirect_ref): Here.
13973         (fold_indirect_ref): New fn.
13974         * tree.h: Declare it.
13975         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
13976         (gimplify_modify_expr_rhs): Likewise.
13977         (gimplify_expr): Likewise.
13978
13979 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
13980
13981         PR tree-optimization/14303
13982         PR tree-optimization/15784
13983         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
13984         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
13985         ABS_EXPR<x> != 0 to x != 0.
13986
13987 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
13988
13989         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
13990         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
13991         spelling conventions.
13992
13993         * passes.c (rest_of_handle_gcse): Don't run cse_main and
13994         delete_trivially_dead_insns too many times.
13995
13996         * passes.c (rest_of_handle_gcse): Remove dead assignments to
13997         tem and tem2.
13998
13999 2005-02-12  Ira Rosen  <irar@il.ibm.com>
14000
14001         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
14002         (vect_is_simple_iv_evolution): Remove redundant parameter
14003         and step check.
14004         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
14005         without last parameter.
14006         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
14007         Return pointer step. Call vect_is_simple_iv_evolution without
14008         last parameter. Check only that the step is multiple of size
14009         type. Remove stmt_vinfo updates.
14010         (vect_get_memtag_and_dr): Remove.
14011         (vect_get_memtag): New function.
14012         (vect_address_analysis): New function.
14013         (vect_object_analysis): New function.
14014         (vect_analyze_data_refs): Call vect_object_analysis and
14015         vect_get_memtag. Update stmt_vinfo fields.
14016
14017 2005-02-12  Ira Rosen  <irar@il.ibm.com>
14018
14019         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
14020         exist and are objects. Remove checks for pointer.
14021         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
14022         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
14023         (vect_create_data_ref_ptr): Likewise.
14024         (vect_base_addr_differ_p): New function.
14025         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
14026         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
14027         Don't set the DR_BASE_NAME field of data-ref.
14028         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
14029
14030 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
14031
14032         * optabs.h (enum optab_index): Add new OTI_ldexp.
14033         (ldexp_optab): Define corresponding macro.
14034         * optabs.c (init_optabs): Initialize ldexp_optab.
14035         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
14036         patterns.
14037         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
14038         using ldexp_optab.
14039         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
14040         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
14041
14042         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
14043         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
14044         intrinsics.
14045
14046 2005-02-12  Ira Rosen  <irar@il.ibm.com>
14047
14048         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
14049         to base_address.
14050         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
14051         stmt_vec_info.
14052         (vect_get_base_and_offset): Always return an address.
14053         (vect_create_addr_base_for_vector_ref): Remove treatment for
14054         different data reference types.
14055         (vect_compute_data_ref_alignment): Rename base to base_address in
14056         stmt_vec_info. Get the object in order to force its alignment.
14057         (vect_get_memtag_and_dr): Rename base to base_address in
14058         stmt_vec_info. Extract the object for memtag analysis.
14059
14060 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
14061
14062         PR regression/19898.
14063         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
14064         changes cc_status, use apply modified_in_p to part of cc_status
14065         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
14066         body.
14067
14068 2005-02-11  Richard Henderson  <rth@redhat.com>
14069
14070         * tree-complex.c (expand_complex_libcall): New.
14071         (expand_complex_multiplication): Use it for c99 compliance.
14072         (expand_complex_division): Likewise.
14073         * fold-const.c (fold_complex_add, fold_complex_mult): New.
14074         (fold): Call them.
14075         * builtins.c (built_in_names): Remove const.
14076         * tree.c (build_common_builtin_nodes): Build complex arithmetic
14077         builtins.
14078         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
14079         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
14080         (built_in_names): Remove const.
14081         * c-common.c (c_common_type_for_mode): Handle complex modes.
14082         * flags.h, toplev.c (flag_complex_method): Rename from
14083         flag_complex_divide_method.
14084         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
14085         __mulsc3, __muldc3, __mulxc3, __multc3): New.
14086         * libgcc2.h: Declare them.
14087         * libgcc-std.ver: Export them.
14088         * mklibgcc.in (lib2funcs): Build them.
14089
14090 2005-02-11  Steven Bosscher  <stevenb@suse.de>
14091
14092         PR tree-optimization/19876
14093         Partially revert my change from 2005-01-14
14094         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
14095         (compute_antic): ...and remove the loop here.
14096
14097 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
14098
14099         PR middle-end/19858
14100         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
14101         is number of inner's bits, avoid creating a BIT_FIELD_REF.
14102
14103         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
14104         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
14105
14106 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
14107
14108         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
14109         offsets for the big-endian 32-bit case.
14110
14111 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
14112
14113         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
14114
14115 2005-02-11  Dale Johannesen  <dalej@apple.com>
14116
14117         * cselib.c (cselib_process_insn):  Clear out regs where
14118         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
14119         * reload.c (find_equiv_reg): Ditto.
14120
14121 2005-02-11  Ian Lance Taylor  <ian@airs.com>
14122
14123         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
14124         with no elements.
14125
14126         * tree.c (build_function_type_list): Work correctly if there are
14127         no arguments.
14128
14129 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
14130
14131         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
14132         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
14133         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
14134         TARGET_ZARCH instead of TARGET_64BIT.
14135
14136 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
14137
14138         * config/rs6000/t-rtems:
14139         (MULTILIB_OPTIONS): Remove mcpu=602.
14140         (MUTLILIB_DIRNAMES): Remove m602.
14141         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
14142         Let mcpu=602 match mcpu=603.
14143         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
14144
14145 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14146
14147         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
14148         signal trampolines.
14149
14150 2005-02-10  David Daney  <ddaney@avtrex.com>
14151
14152         * config/alpha/linux-unwind.h: Add exception clause to copyright.
14153         * config/i386/linux-unwind.h: Likewise.
14154         * config/ia64/linux-unwind.h: Likewise.
14155         * config/mips/linux-unwind.h: Likewise.
14156         * config/pa/linux-unwind.h: Likewise.
14157         * config/rs6000/linux-unwind.h: Likewise.
14158         * config/s390/linux-unwind.h: Likewise.
14159         * config/sh/linux-unwind.h: Likewise.
14160         * config/sparc/linux-unwind.h: Likewise.
14161
14162 2005-02-10  Steven Bosscher  <stevenb@suse.de>
14163
14164         PR tree-optimization/17549
14165         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
14166         TER to replace a DEF with its expression if the DEF and the
14167         rhs of the expression we replace into have the same root
14168         variable.
14169
14170 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
14171
14172         * config/mips/mips.md: Fix the placement of the match_scratch in the
14173         lea64 peephole2.
14174
14175 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
14176
14177         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
14178         Fix comment typos.
14179
14180 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
14181
14182         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
14183         (strip_offset): Handle addresses.
14184         (add_address_candidates): Use strip_offset.
14185         (difference_cost): Reflect strip_offset change.
14186         (force_var_cost, difference_cost): Strip nops.
14187
14188 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
14189
14190         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
14191
14192         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
14193         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
14194         config/cris/cris-protos.h, config/cris/cris.c: Update
14195         copyright.
14196
14197 2005-02-10  Jeff Law  <law@redhat.com>
14198
14199         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
14200         (lookup_avail_expr): Similarly.
14201
14202 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
14203
14204         * builtins.c (fold_builtin_powi): New function.
14205         (fold_builtin_1): Call it.
14206
14207 2005-02-10  Steven Bosscher  <stevenb@suse.de>
14208
14209         PR documentation/19309
14210         * doc/cpp.texi: The __GNUC__ and related predefined macros
14211         are also defined for the "standalone" cpp.
14212         Some non-GCC compilers may also define __GNUC__.
14213
14214 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
14215
14216         PR c/19342
14217         * c-typeck.c (common_type): New routine.  Old common_type renamed
14218         to...
14219         (c_common_type): ...this.
14220         (build_conditional_expr, build_binary_op): Use c_common_type instead
14221         of common_type.
14222
14223 2005-02-10  Steven Bosscher  <stevenb@suse.de>
14224
14225         * doc/md.texi: Replace @samp{length} with @code{length}.
14226
14227 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
14228
14229         PR tree-optimization/18687
14230         * tree-flow.h (find_loop_niter): Declare.
14231         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
14232         Try using scev even for loops with more than one exit.
14233         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
14234         (struct ivopts_data): Added niters field.
14235         (struct nfe_cache_elt): New.
14236         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
14237         functions.
14238         (tree_ssa_iv_optimize_init): Initialize niters cache.
14239         (determine_number_of_iterations): Removed.
14240         (find_induction_variables): Do not call determine_number_of_iterations.
14241         Access niters for single exit through niter_for_single_dom_exit.
14242         (add_iv_outer_candidates): Access niters for single exit through
14243         niter_for_single_dom_exit.
14244         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
14245         number_of_iterations_cond.
14246         (iv_period): New function.
14247         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
14248         (may_replace_final_value): Take data argument.  Use
14249         niter_for_single_dom_exit.
14250         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
14251         (rewrite_use_compare): Pass data to may_eliminate_iv.
14252         (rewrite_use_outer): Pass data to may_replace_final_value.
14253         (free_loop_data): Clean up the niters cache.
14254         (tree_ssa_iv_optimize_finalize): Free the niters cache.
14255         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
14256         * tree-ssa-loop-niter.c (find_loop_niter): New function.
14257         (find_loop_niter_by_eval): Use tree_int_cst_lt.
14258         (num_ending_zeros): Moved to tree.c.
14259         * tree.h (num_ending_zeros): Declare.
14260         * tree.c (num_ending_zeros): Moved from tree.c.
14261
14262 2005-02-09  Richard Henderson  <rth@redhat.com>
14263
14264         * builtins.c (DEF_BUILTIN): Add COND argument.
14265         * tree.h (DEF_BUILTIN): Likewise.
14266         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
14267         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
14268         match.
14269         (DEF_BUILTIN_STUB): New.
14270         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
14271         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
14272         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
14273         * c-common.c (DEF_BUILTIN): Add COND argument.
14274         * tree.c (local_define_builtin): New.
14275         (build_common_builtin_nodes): New.
14276
14277 2005-02-09  Roger Sayle  <roger@eyesopen.com>
14278
14279         * fold-const.c (fold_strip_sign_ops): New function to simplify a
14280         floating point expression ignoring the sign of the result.
14281         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
14282         (fold) <MULT_EXPR>: Use it to simplify x*x.
14283         * tree.h (fold_strip_sign_ops): Prototype here.
14284         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
14285         argument.  Use fold_strip_sign_ops to simplify the first argument.
14286         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
14287         first argument when the second argument is an even integer
14288         constant, but only with -funsafe_math_optimizations.
14289         (fold_builtin_1): Update call to fold_builtin_copysign.
14290
14291 2005-02-09  Ian Lance Taylor  <ian@airs.com>
14292
14293         PR middle-end/19583
14294         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
14295         just check whether EH_FILTER_FAILURE falls through.
14296
14297 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
14298
14299         * gcc/haifa-sched.c (schedule_block): Make queued sched group
14300         insns return to ready list in the next turn.
14301
14302 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
14303
14304         PR middle-end/19402
14305         * builtins.def: New __builtin_powi[lf].
14306         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
14307         (expand_builtin_powi): New function.
14308         (expand_builtin): Dispatch to expand_builtin_powi.
14309         * libgcc2.h: Add prototypes for __builtin_powi[lf].
14310         * libgcc2.c: Add __builtin_powi[lf] implementation.
14311         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
14312         * optabs.h: Add powi_optab.
14313         * optabs.c (init_optabs): Initialize powi_optab.
14314         * doc/extend.texi: Document __builtin_powi[lf].
14315
14316 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
14317
14318         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
14319         exists.
14320
14321 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
14322
14323         PR middle-end/19854
14324         * fold-const.c (try_move_mult_to_index): Remove redundant
14325         type argument.  Create ADDR_EXPR with correct type.
14326         (fold): Update callers of try_move_mult_to_index.  Convert
14327         result to the appropriate type.
14328
14329 2005-02-09  Roger Sayle  <roger@eyesopen.com>
14330
14331         PR target/19597
14332         * config/avr/avr.c (default_rtx_costs): Delete.
14333         (avr_operand_rtx_cost): New function.
14334         (avr_rtx_costs): Completely rewrite.
14335
14336 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
14337
14338         PR target/19806
14339         * config/cris/cris.c (in_code): New variable.
14340         (cris_output_addr_const): Now a static function, a wrapper for
14341         output_addr_const.
14342         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
14343         case from old cris_output_addr_const.
14344         (cris_asm_output_label_ref): Similar for LABEL_REF.
14345         (cris_output_addr_const_extra): Similar for UNSPEC.
14346         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
14347         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
14348         * config/cris/cris-protos.h (cris_output_addr_const): Remove
14349         declaration.
14350         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
14351         (cris_asm_output_label_ref): Declare.
14352
14353 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
14354
14355         PR preprocessor/19801
14356         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
14357         filenames that changed when libcpp was moved to the toplevel.
14358
14359 2005-02-07  Roger Sayle  <roger@eyesopen.com>
14360
14361         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
14362         zero extensions of BImode operands.  Call lowpart_subreg instead
14363         of gen_lowpart_common and gen_lowpart_SUBREG.
14364
14365 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
14366
14367         PR ada/19489
14368         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
14369         * configure.ac: Set cc_for_cross_gnattools.
14370         * configure: Regenerate.
14371
14372 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
14373
14374         PR target/19803
14375         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
14376
14377 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
14378
14379         PR debug/19327
14380         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
14381         of nested functions.
14382
14383 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
14384
14385         * doc/extend.texi: Document deprecated extensions allowing
14386         static floating-point members to have initializers and allowing
14387         floating-point literals in integral constant expressions.
14388
14389 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
14390
14391         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
14392         config/darwin7.h, config/mips/mips.c,
14393         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
14394         Update copyright.
14395
14396         * cse.c: Update comments.
14397
14398 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
14399
14400         PR middle-end/19775
14401         * builtins.c (fold_builtin_sqrt): Transform
14402         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
14403         pow(x,y*0.5).
14404
14405 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
14406             Dorit Naishlos  <dorit@il.ibm.com>
14407
14408         * doc/invoke.texi (ftree-vectorizer-verbose): New.
14409         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
14410         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
14411         was added.
14412         * tree.h (vect_set_verbosity_level): New extern function declaration
14413         added.
14414         * tree-vectorizer.h (verbosity_levels): New enum type.
14415         * tree-vectorizer.c (vect_debug_stats): Function removed.
14416         (vect_debug_details): Likewise.
14417         (vect_verbosity_level): Global variable was defined and initialized.
14418         (vect_dump): Global variable definition.
14419         (vect_print_dump_info): New function.
14420         (vect_set_dump_settings): New function.
14421         (vect_set_verbosity_level): New function.
14422         (vectorize_loops): Add call to vect_set_dump_settings.
14423
14424         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
14425         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
14426         (slpeel_tree_peel_loop_to_edge): Likewise.
14427
14428         (vect_analyze_offset_expr): Call to vect_print_dump_info with
14429         appropriate verbosity level instead of call to vect_debug_details
14430         or vect_debug_stats.
14431         (vect_get_base_and_offset):
14432         (vect_create_addr_base_for_vector_ref):
14433         (get_vectype_for_scalar_type):
14434         (vect_create_data_ref_ptr):
14435         (vect_init_vector):
14436         (vect_get_vec_def_for_operand):
14437         (vect_finish_stmt_generation):
14438         (vectorizable_assignment):
14439         (vectorizable_operation):
14440         (vectorizable_store):
14441         (vectorizable_load):
14442         (vect_transform_stmt):
14443         (vect_update_ivs_after_vectorizer):
14444         (vect_do_peeling_for_loop_bound):
14445         (vect_update_inits_of_drs):
14446         (vect_do_peeling_for_alignment):
14447         (vect_transform_loop):
14448         (vect_is_simple_use):
14449         (vect_analyze_operations):
14450         (vect_is_simple_iv_evolution):
14451         (vect_analyze_scalar_cycles):
14452         (vect_analyze_data_ref_dependence):
14453         (vect_analyze_data_ref_dependences):
14454         (vect_compute_data_ref_alignment):
14455         (vect_enhance_data_refs_alignment):
14456         (vect_analyze_data_refs_alignment):
14457         (vect_analyze_data_ref_access):
14458         (vect_analyze_data_ref_accesses):
14459         (vect_analyze_pointer_ref_access):
14460         (vect_get_memtag_and_dr):
14461         (vect_analyze_data_refs):
14462         (vect_mark_relevant):
14463         (vect_stmt_relevant_p):
14464         (vect_mark_stmts_to_be_vectorized):
14465         (vect_can_advance_ivs_p):
14466         (vect_get_loop_niters):
14467         (vect_analyze_loop_form):
14468         (vect_analyze_loop):
14469         (vectorize_loops): Likewise.
14470
14471         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
14472         (vect_update_inits_of_drs):
14473         (vect_do_peeling_for_alignment):
14474         (vect_transform_loop):
14475         (vect_analyze_operations):
14476         (vect_analyze_scalar_cycles):
14477         (vect_analyze_data_ref_dependences):
14478         (vect_analyze_data_refs_alignment):
14479         (vect_analyze_data_ref_accesses):
14480         (vect_analyze_data_refs):
14481         (vect_mark_stmts_to_be_vectorized):
14482         (vect_get_loop_niters):
14483         (vect_analyze_loop_form):
14484         (vect_analyze_loop): Likewise.
14485         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
14486
14487 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
14488
14489         PR bootstrap/19796
14490         Revert:
14491         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
14492         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
14493         either -ffast-math or -funsafe-math-optimizations is in use.
14494
14495         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
14496         * config/mips/irix-csr.c: New file.
14497         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
14498         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
14499         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
14500         executables.
14501
14502 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
14503
14504         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
14505         redundant, incorrect definitions.
14506
14507         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
14508         expand.
14509         ("*tls_indirect_call"): New, reference hard regs directly.
14510         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
14511
14512 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
14513
14514         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
14515         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
14516
14517 2005-02-06  Roger Sayle  <roger@eyesopen.com>
14518
14519         PR rtl-optimization/19800
14520         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
14521         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
14522         gen_lowpart.
14523
14524 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
14525
14526         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
14527
14528 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
14529
14530         PR other/17135
14531         * doc/invoke.texi: Correct documentation of -freorder-functions.
14532
14533 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
14534
14535         PR other/14402
14536         * doc/invoke.texi: Don't mention gccbug.
14537
14538 2005-02-06  Roger Sayle  <roger@eyesopen.com>
14539             Andrew Pinski  <pinskia@physics.uc.edu>
14540             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
14541
14542         * simplify-rtx.c (simplify_relational_operation_1): Simplify
14543         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
14544         into just (zero_extract:SI FOO (const_int 1) BAR).
14545
14546 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
14547
14548         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
14549         macro locally.  Don't give last revision date.  Use GCC version
14550         number from gcc-common.texi.
14551         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
14552         revision date.  Use GCC version number from gcc-common.texi.
14553         Describe being a library as current state rather than as 3.x
14554         history.
14555         * doc/gcc.texi: Remove last update date.
14556         * doc/gccint.texi: Likewise.  Update copyright dates.
14557         * doc/install.texi: Update copyright dates.
14558
14559 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
14560
14561         PR other/7549
14562         * doc/invoke.texi: Mention for each option included in -Wall that
14563         it is included in -Wall.
14564         * doc/gcc.texi: Update copyright and last modification date.
14565
14566 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
14567
14568         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
14569         unnecessary cast to original induction variable increments.
14570
14571 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
14572
14573         PR tree-optimization/18219
14574         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
14575         in distributed form.
14576
14577 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
14578
14579         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
14580         Set bitpos and offset later in the function.  Do nothing if the
14581         target is a register and if the bitfield lies completely outside
14582         that register.
14583         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
14584         here.  Return an uninitialised register if the source value is stored
14585         in a register and the bitfield lies completely outside that register.
14586
14587 2005-02-06  Steven Bosscher  <stevenb@suse.de>
14588
14589         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
14590         not SET_DEST.
14591
14592 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
14593
14594         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
14595
14596 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
14597
14598         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
14599         * config/darwin8.h: New.
14600         * config/darwin7.h: Update comment.
14601
14602 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
14603             Dorit Naishlos  <dorit@il.ibm.com>
14604
14605         * tree-vectorizer.h (LOC): New type.
14606         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
14607         (loop_line_number): New field in struct _loop_vec_info.
14608         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
14609
14610         * tree-vectorizer.c (input.h): Included.
14611         (find_loop_location): New function.
14612         (vect_debug_stats): Argument changed from loop to LOC. Computation of
14613         loop line number removed.
14614         (vect_debug_details): Likewise.
14615         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
14616
14617         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
14618         call to vect_debug_details/stats changed from loop to loop_loc.
14619         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
14620         (slpeel_tree_peel_loop_to_edge): Likewise.
14621
14622         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
14623         changed from NULL to UNKNOWN_LOC.
14624         (vect_get_base_and_offset):
14625         (vect_create_addr_base_for_vector_ref):
14626         (get_vectype_for_scalar_type):
14627         (vect_create_data_ref_ptr):
14628         (vect_init_vector):
14629         (vect_get_vec_def_for_operand):
14630         (vect_finish_stmt_generation):
14631         (vectorizable_assignment):
14632         (vectorizable_operation):
14633         (vectorizable_store):
14634         (vectorizable_load):
14635         (vect_transform_stmt):
14636         (vect_update_ivs_after_vectorizer):
14637         (vect_do_peeling_for_loop_bound):
14638         (vect_do_peeling_for_alignment):
14639         (vect_transform_loop):
14640         (vect_is_simple_use):
14641         (vect_analyze_operations):
14642         (vect_is_simple_iv_evolution):
14643         (vect_analyze_scalar_cycles):
14644         (vect_analyze_data_ref_dependences):
14645         (vect_compute_data_ref_alignment):
14646         (vect_enhance_data_refs_alignment):
14647         (vect_analyze_data_ref_access):
14648         (vect_analyze_data_ref_accesses):
14649         (vect_analyze_pointer_ref_access):
14650         (vect_get_memtag_and_dr):
14651         (vect_analyze_data_refs):
14652         (vect_mark_relevant):
14653         (vect_stmt_relevant_p):
14654         (vect_mark_stmts_to_be_vectorized):
14655         (vect_can_advance_ivs_p):
14656         (vect_get_loop_niters):
14657         (vect_analyze_loop):
14658         (vectorize_loops): Likewise.
14659
14660         (vectorizable_load): Argument in call to vect_debug_details/stats
14661         changed from loop to LOOP_LOC (loop_vinfo).
14662         (vect_transform_loop):
14663         (vect_analyze_operations):
14664         (vect_analyze_scalar_cycles):
14665         (vect_analyze_data_ref_dependence):
14666         (vect_enhance_data_refs_alignment):
14667         (vect_analyze_data_ref_accesses):
14668         (vect_analyze_pointer_ref_access):
14669         (vect_analyze_data_refs):
14670         (vect_analyze_loop): Likewise.
14671
14672         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
14673         changed from loop to loop_loc.
14674
14675         (vect_enhance_data_refs_alignment): Removed unused variable loop.
14676
14677 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
14678             Dorit Naishlos  <dorit@il.ibm.com>
14679
14680         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
14681         declaration added.
14682         (vect_analyze_data_ref_dependences): Likewise.
14683
14684         (vect_is_simple_use): Argument changed from loop structure to
14685         loop_vect_info structure.
14686         (vect_can_advance_ivs_p): Likewise.
14687         (vect_create_index_for_vector_ref): Likewise.
14688         (vect_update_ivs_after_vectorizer): Likewise.
14689         (new_stmt_vec_info): Likewise.
14690
14691         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
14692         changed from loop to loop_vinfo.
14693         (vect_create_data_ref_ptr): First argument in call to
14694         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
14695         (vectorizable_assignment): Second argument in call to vect_is_simple_use
14696         was changed from loop to loop_vinfo.
14697         (vectorizable_operation): Likewise.
14698         (vectorizable_store): Likewise.
14699         (vect_mark_stmts_to_be_vectorized): Likewise.
14700         (vect_do_peeling_for_loop_bound): First argument in call to
14701         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
14702         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
14703         was changed from loop to loop_vinfo.
14704         (vect_analyze_data_ref_dependences): Third argument in call to
14705         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
14706
14707         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
14708         (vect_create_data_ref_ptr): Likewise.
14709         (vect_init_vector): Likewise.
14710         (vect_get_vec_def_for_operand): Likewise.
14711         (vectorizable_assignment): Likewise.
14712         (vectorizable_operation): Likewise.
14713         (vectorizable_store): Likewise.
14714         (vectorizable_load): Likewise.
14715         (vect_update_ivs_after_vectorizer): Likewise.
14716         (vect_is_simple_use): Likewise.
14717         (vect_analyze_data_ref_dependence): Likewise.
14718         (vect_analyze_pointer_ref_access): Likewise.
14719         (vect_can_advance_ivs_p): Likewise.
14720
14721         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
14722         before _stmt_vec_info.
14723         (_stmt_vec_info): Loop field replaced by loop_vec_info.
14724         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
14725         (new_stmt_vec_info): Argument changed from loop structure to
14726         loop_vect_info structure
14727
14728         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
14729         (vect_analyze_offset_expr): Avoid 80 columns overflow.
14730         (vect_create_addr_base_for_vector_ref): Likewise.
14731         (vect_analyze_pointer_ref_access): Likewise.
14732
14733 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
14734
14735         PR tree-opt/19768
14736         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
14737         phi flag if the phi is abnormal.
14738
14739 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
14740
14741         PR tree-opt/19736
14742         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
14743         information for the new statement.
14744
14745 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
14746
14747         PR driver/19117
14748         * gcc.c (main): Include the target in -v output.
14749
14750 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
14751
14752         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
14753         Do not drop the extend if we'd have to add a paradoxical subreg
14754         later.  Include optabs.h and insn-codes.h.
14755         * Makefile.in (combine.o): Depend on $(OPTABS_H).
14756
14757 2005-02-02  Roger Sayle  <roger@eyesopen.com>
14758
14759         PR middle-end/19405
14760         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
14761         * fold-const.c (const_binop): Avoid constant folding floating
14762         point operations in modes that use composite representations.
14763         * simplify-rtx.c (simplify_binary_operation): Likewise.
14764
14765 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
14766
14767         * config/rs6000/altivec.md (altivec_dst): Make the first operand
14768         a REG, not a MEM.
14769         (altivec_dstt): Likewise.
14770         (altivec_dstst): Likewise.
14771         (altivec_dststt): Likewise.
14772         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
14773         of first operand.
14774
14775 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
14776
14777         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
14778         EXPR_LOCUS from orig_cond to the new cond_stmt.
14779         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
14780         the new vec_stmt.
14781
14782 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
14783
14784         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
14785         standard_iv_increment_position. Remove call to bsi_next
14786         (no need to bump the iterator anymore).
14787         (vect_create_index_for_vector_ref): Call
14788         standard_iv_increment_position. Remove second function argument.
14789         (vect_finish_stmt_generation): Remove call to bsi_next
14790         (no need to bump the iterator anymore).
14791         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
14792         to vect_create_index_for_vector_ref.
14793
14794 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
14795
14796         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
14797         phis are used out of the loop.
14798
14799 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
14800
14801         PR c/17807
14802         * c-decl.c (undef_nested_function): New variable.
14803         (pop_scope): Diagnose undefined nested functions.
14804         (finish_function): Don't attempt cgraph processing or genericizing
14805         if current top-level function contained an undefined nested
14806         function.  Reset undef_nested_function at the end of a top-level
14807         function.
14808
14809 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
14810
14811         * tree.c (build_int_cst_type): Take sign of the value into account
14812         when deciding whether sign extend the value.
14813
14814 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
14815
14816         PR c/18502
14817         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
14818         (cpp_options, cc1_options): Change %{std*&ansi} to
14819         %{std*&ansi&trigraphs}.
14820
14821 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
14822
14823         * cse.c: Update comments.
14824
14825 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
14826
14827         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
14828         arguments go on the stack.  Do not put complex doubles in odd/even
14829         pairs.
14830
14831 2005-02-02  Steven Bosscher  <stevenb@suse.de>
14832
14833         * doc/invoke.texi: Update the options enabled at -O1, -O2,
14834         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
14835         -ftree-pre, and -fthread-jumps.
14836
14837 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
14838
14839         PR tree-optimization/19578
14840         * tree-flow.h (modified_noreturn_calls): Declare.
14841         (noreturn_call_p): Declare.
14842         * tree-flow-inline.h (noreturn_call_p): New function.
14843         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
14844         * tree-cfg.c (modified_noreturn_calls): New variable.
14845         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
14846         that contain a mid-block noreturn call.
14847         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
14848
14849 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
14850
14851         * df.c (df_def_record_1, df_uses_record): Don't use
14852         DF_FOR_REGALLOC.
14853         * df.h (DF_FOR_REGALLOC): Remove.
14854
14855 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
14856
14857         PR c/19435
14858         * c-typeck.c (really_start_incremental_init): Reset
14859         constructor_max_index for arrays of incomplete type.
14860
14861 2005-02-02  Jeff Law  <law@redhat.com>
14862
14863         * gcse.c (struct reg_set): Store the block index where the register
14864         was set rather than the setting insn.
14865         (record_one_set, compute_transp): Corresponding changes.
14866         (pre_insert_copy_insn): Do not call replace_one_set.
14867         (replace_one_set): Remove.
14868
14869 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
14870
14871         PR other/15514
14872         * doc/gcov.texi: Fix typo.
14873
14874 2005-02-01  Richard Henderson  <rth@redhat.com
14875
14876         PR target/19680
14877         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
14878         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
14879         type to bool.
14880         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
14881         * config/i386/i386-protos.h: Update.
14882
14883 2005-02-01  Steven Bosscher  <stevenb@suse.de>
14884
14885         PR tree-optimization/19217
14886         * tree-cfg.c (verify_expr): Use the data field to see if TP was
14887         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
14888         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
14889         that it is walking a PHI node.
14890
14891 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
14892
14893         * doc/extend.texi (Nested Functions): Update.
14894
14895 2005-02-01  Richard Henderson  <rth@redhat.com>
14896
14897         PR 19696
14898         * optabs.c (expand_copysign_absneg): Export.
14899         * optabs.h (expand_copysign_absneg): Declare.
14900         * config/rs6000/rs6000.md (copysigntf3): New.
14901
14902 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
14903
14904         PR tree-optimization/19633
14905         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
14906         * tree-ssa-alias.c (init_alias_info): Initialize.
14907         (merge_pointed_to_info): Set.
14908         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
14909         (dump_points_to_info_for): Show value of pt_null.
14910         (struct count_ptr_d): Declare.
14911         (find_ptr_dereference): Remove.
14912         (ptr_is_dereferenced_by): Remove.
14913         (count_ptr_derefs): New local function.
14914         (count_uses_and_derefs): New local function.
14915         (compute_points_to_and_addr_escape): Call it.  If the number
14916         of dereferences is greater than zero, mark the pointer as
14917         dereferenced.  If there are fewer dereferences than uses of
14918         the pointer, the pointer's value escapes.
14919
14920 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
14921
14922         PR tree-optimization/19670
14923         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
14924         here...
14925         (verify_use): ... set it here, instead.
14926
14927 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
14928
14929         * doc/sourcebuild.texi (Test directives): Fix formatting.
14930
14931         * doc/sourcebuild.texi (Test directives): Describe selector
14932         expressions.
14933
14934 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
14935
14936         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
14937         specific 64-bit CPUs.
14938
14939 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
14940
14941         PR target/16201
14942         * arm.c (arm_eliminable_register): New function.
14943         (adjacent_mem_locations): Don't allow eliminable registers.  Use
14944         HOST_WIDE_INT for address offsets.
14945         * arm-protos.h (arm_eliminable_register): Add prototype.
14946
14947 2005-02-01  Steven Bosscher  <stevenb@suse.de>
14948
14949         PR optimization/15242
14950         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
14951         * basic-block.h (duplicate_computed_gotos): Add prototype.
14952         * bb-reorder.c (duplicate_computed_gotos): New function to
14953         duplicate sufficiently small blocks ending in a computed jump.
14954         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
14955         if not optimizing for size.
14956         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
14957         never do tail merging for blocks ending in a computed jump.
14958         * doc/invoke.texi: Document the max-goto-duplication-insns param.
14959
14960 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
14961
14962         Patch from Richard Sandiford <rsandifo@redhat.com>
14963         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
14964         from inheriting a subreg equivalence with a non-spill register.
14965
14966         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
14967
14968 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
14969
14970         * config/frv/frv.c (movcc_fp_destination_operand): New.
14971         (gpr_or_memory_operand): Fix typo in comment.
14972         (gpr_or_memory_operand_with_scratch): New.
14973         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
14974         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
14975         movcc_fp_destination_operand.
14976         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
14977         Legitimize memory addresses using a scratch register.
14978
14979 2005-01-31  Jeff Law  <law@redhat.com>
14980
14981         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
14982         bitmap a sparse bitmap instead of a simple bitmap.
14983         (mark_def_sites_initialize_block):  Corresponding changes.
14984         (ssa_mark_def_sites_initialize_block): Likewise.
14985         (ssa_mark_phi_uses): Likewise.
14986         (mark_def_site, ssa_mark_def_sites): Likewise.
14987         (mark_def_site_blocks): Likewise.
14988         (rewrite_ssa_into_ssa): Likewise.
14989
14990         * tree-ssa-dom.c (record_cond): Pass correct variable type
14991         for last argument to htab_find_slot_with_hash.
14992
14993         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
14994         effects when optimizing 0 % X.  Do not try to optimize X % 0.
14995
14996 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
14997
14998         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
14999         1_mmalua.
15000
15001 2005-02-01  Eric Christopher  <echristo@redhat.com>
15002
15003         * config/mips/mips.c (override_options): Warn if -mint64
15004         is used.
15005         * doc/invoke.texi (MIPS Options): Document that -mint64 is
15006         deprecated.
15007
15008 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
15009
15010         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
15011         timestamp.
15012         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
15013         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
15014         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
15015         (cached_regno): Initialize to INVALID_REGNUM.
15016         (cse_reg_info_table_size,
15017         cse_reg_info_table_first_uninitialized,
15018         cse_reg_info_timestamp): New.
15019         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
15020         get_cse_reg_info.
15021         (init_cse_reg_info, get_cse_reg_info_1): New.
15022         (get_cse_reg_info): Cache the last look-up.
15023         (new_basic_block): Update the code to clear mappings from
15024         registers to cse_reg_info entries.
15025         (cse_main): Call init_cse_reg_info.
15026
15027         * cse.c (get_cse_reg_info): Update a comment.
15028
15029 2005-01-31  Steven Bosscher  <stevenb@suse.de>
15030
15031         PR c/19333
15032         * c-decl.c (start_decl): Do not warn about arrays of elements with
15033         an incomplete type here.
15034         (grokdeclarator): Do it here by making a pedwarn an error.
15035         * c-typeck.c (push_init_level): If there were previous errors with
15036         the constructor type, do not warn about braces for initializers.
15037         (process_init_element): Likewise for excess initializer elements.
15038
15039 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
15040
15041         * cse.c (delete_trivially_dead_insn): Don't iterate.
15042
15043 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
15044
15045         * config/rs6000/rs6000.md (copysignsf3): New expand.
15046         (copysigndf3): Likewise.
15047
15048 2005-01-31  Steven Bosscher  <stevenb@suse.de>
15049
15050         * recog.c (constrain_operands): Only look for earlyclobber operand
15051         conflicts if an '&' constraint was seen.
15052
15053 2005-01-31  Marc Espie <espie@openbsd.org>
15054
15055         * config.gcc: Don't include embedded systems fragment, switches default
15056         debugging format to ELF.
15057         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
15058         longer pick it up there.
15059
15060 2005-01-31  Dale Johannesen  <dalej@apple.com>
15061
15062         * doc/extend.texi (nested functions): Fix linkage description.
15063         Clarify that static is not allowed.
15064
15065 2005-01-31  Dale Johannesen  <dalej@apple.com>
15066
15067         * config/rs6000/darwin.md (movsf_low_di):  Make work.
15068         (movdf_low_di):  Make work.
15069
15070 2005-01-31  Dale Johannesen  <dalej@apple.com>
15071
15072         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
15073         Make work for 64 bit.
15074
15075 2005-01-31  Roger Sayle  <roger@eyesopen.com>
15076             Dale Johannesen  <dalej@apple.com>
15077
15078         PR middle-end/19650
15079         * fold-const.c (fold_binary_op_with_conditional_arg):
15080         Make types match original operands, before STRIP_NOPS.
15081
15082 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
15083
15084         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
15085         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
15086         (struct gcc_sigcontext): Delete.  Merge contents to..
15087         (struct gcc_ucontext): ..here.
15088         (get_sigcontext): Delete.
15089         (get_regs): New function, like get_sigcontext but return regs ptr.
15090         64-bit version finds regs from r1 to support vdso.
15091         (ppc_linux_aux_vector): New function.
15092         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
15093         and vector regs.
15094
15095 2005-01-31  Ira Rosen  <irar@il.ibm.com>
15096
15097         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
15098         sizetype.
15099         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
15100         redundant fold. Fix misalignment for MINUS_EXPR.
15101         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
15102         (vect_analyze_pointer_ref_access): Likewise.
15103         (vect_get_memtag_and_dr): Likewise.
15104
15105 2005-01-31  Richard Henderson  <rth@redhat.com>
15106
15107         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
15108         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
15109         absnegdf2_i387, absnegxf2_i387): Likewise.
15110
15111 2005-01-31  Richard Henderson  <rth@redhat.com>
15112
15113         PR 19696
15114         * optabs.c (expand_copysign_absneg): New.
15115         (expand_copysign_bit): Split out from ...
15116         (expand_copysign): ... here.  Use expand_copysign_absneg.
15117
15118 2005-01-30  Roger Sayle  <roger@eyesopen.com>
15119
15120         PR middle-end/19697
15121         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
15122         constant as the second operand and a register as the third.
15123
15124 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
15125
15126         PR target/19704
15127         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
15128         that dllimport'd functions do not use all call-clobbered registers
15129         to pass parameters.
15130
15131 2005-01-30  Richard Henderson  <rth@redhat.com>
15132
15133         PR 19696
15134         * optabs.c (expand_absneg_bit): Split out from expand_unop and
15135         expand_abs_nojump and generalize.  Use operand_subword and
15136         emit_no_conflict_block.  Support large modes.
15137         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
15138         back to maximum.
15139         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
15140         negation to subtraction.
15141         (expand_copysign): Check that the format has signed zeros.
15142         Use operand_subword and emit_no_conflict_block.  Support large modes.
15143
15144 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
15145
15146         Fix PR tree-optimization/19624
15147
15148         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
15149         * tree-ssa-pre.c: Add cfgloop.h.
15150         Update comment.
15151         (pre_stats): New member, constified.
15152         (inserted_exprs): New static variable.
15153         (NECESSARY): New macro.
15154         (create_expression_by_pieces): Fold the expression, and
15155         mark it as defaulting to not necessary. Also put in
15156         inserted_exprs.
15157         (fully_constant_expression): New function.
15158         (insert_into_preds_of_block): Modify to not insert phis when we
15159         are playing with induction variables.
15160         Push phis onto the inserted_exprs vector, and mark them as not
15161         necessary by default.
15162         (insert_aux): Call fully_constant_expression on eprime.
15163         If all edges produce the same value, mark it constant.
15164         (mark_operand_necessary): New function.
15165         (remove_dead_inserted_code): New function.
15166         (init_pre): Init loop optimizer to get loop info.
15167         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
15168         (execute_pre): Commit edge inserts, then remove dead code.
15169
15170 2005-01-30  Richard Henderson  <rth@redhat.com>
15171
15172         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
15173         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
15174
15175 2005-01-30  Richard Henderson  <rth@redhat.com>
15176
15177         PR target/19700
15178         * config/i386/i386.c (ix86_expand_copysign): New.
15179         (ix86_split_copysign_const): New.
15180         (ix86_split_copysign_var): Rename from ix86_split_copysign,
15181         rearrange op1/nmask operands.
15182         * config/i386/i386-protos.h: Update.
15183         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
15184         (copysigndf3): Likewise.
15185         (copysignsf3_const, copysigndf3_const): New.
15186         (copysignsf3_var): Rename from copysignsf3, split out splitter
15187         and fix split predicate for X constraint.
15188         (copysigndf3_var): Similarly.
15189
15190 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
15191
15192         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
15193         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
15194         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
15195
15196 2005-01-29  Richard Henderson  <rth@redhat.com>
15197
15198         PR target/19690
15199         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
15200         of # and * in constraints.
15201
15202 2005-01-29  Richard Henderson  <rth@redhat.com>
15203
15204         PR middle-end/19689
15205         * expr.c (store_field): Don't strip sub-mode cast when the input
15206         data is even smaller.
15207
15208 2005-01-29  Richard Henderson  <rth@redhat.com>
15209
15210         PR middle-end/19687
15211         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
15212         union being empty.
15213
15214 2005-01-29  Richard Henderson  <rth@redhat.com>
15215
15216         * combine.c (make_field_assignment): Fix argument order
15217         to gen_int_mode.
15218
15219 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
15220
15221         PR tree-optimization/15791
15222         * fold-const.c (extract_array_ref): New function.
15223         (fold): Fold comparisons between &a[i] and &a[j] or
15224         semantically equivalent trees.
15225
15226 2005-01-29  Jeff Law  <law@redhat.com>
15227
15228         * gcse.c (insert_expr_in_table): Revamp handling of available
15229         and anticipatable occurrence lists to avoid unnecessary list
15230         walking.
15231         (insert_set_in_table): Similarly.
15232
15233 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
15234
15235         * c-common.c (fix_string_type): Just use c_build_qualified_type to
15236         build string type.
15237         (c_build_qualified_type): Build qualified array types with
15238         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
15239         * c-decl.c (c_make_fname_decl): Build unqualified array type
15240         before qualified type.
15241         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
15242         type is qualified, not just if type itself is.  Don't apply
15243         qualifiers to array type when declarator is processed.  Apply
15244         qualifiers to field type whether or not it is an array type.
15245         Don't handle array types specially for applying qualifiers to
15246         variables.
15247         * c-typeck.c (composite_type): Build unqualified element type and
15248         array type when forming composite of array types.
15249         (common_pointer_type, comptypes, comp_target_types,
15250         type_lists_compatible_p, build_indirect_ref, build_array_ref,
15251         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
15252         types.
15253         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
15254         (args2) in variables a1 and a2.
15255
15256 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
15257
15258         * cse.c (n_elements_made, max_elements_made): Remove.
15259         (insert): Don't touch n_elements_made.
15260         (cse_main): Don't touch n_elements_made or max_elements_made.
15261
15262 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
15263
15264         PR target/15384
15265         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
15266         configuration part of dp-bit.c to be lost.
15267
15268 2005-01-28  Roger Sayle  <roger@eyesopen.com>
15269
15270         * expmed.c (expand_mult_highpart_optab): When attempting to use
15271         a non-widening multiplication in a wider mode, the operands need
15272         to be converted (zero or sign extended) to that mode.
15273
15274 2005-01-28  Ian Lance Taylor  <ian@airs.com>
15275
15276         PR middle-end/16558
15277         PR middle-end/19583
15278         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
15279         through if both operands fall through.
15280
15281 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
15282
15283         * cse.c (fold_rtx) <PC>: Don't optimize.
15284
15285 2005-01-28  Jeff Law  <law@redhat.com>
15286
15287         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
15288         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
15289
15290 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
15291
15292         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
15293         cse_reg_info_used_list_end): Remove.
15294         (cse_reg_info_list, cse_reg_info_list_free): New.
15295         (get_cse_reg_info): When allocating an instance of
15296         cse_reg_info, add it to the beginning of the cse_reg_info_list
15297         list.  Remove code to maintain cse_reg_info_used_list.
15298         (new_basic_block): Reset the free list to the beginning of
15299         cse_reg_info_list.
15300
15301 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
15302
15303         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
15304         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
15305         (frv_expand_mdpackh_builtin): New function.
15306         (frv_expand_builtin): Use it to expand __MDPACKH.
15307         * doc/extend.texi (__MDPACKH): Update documentation.
15308
15309 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
15310
15311         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
15312         SSE_FLOAT_MODE_P for use_sse computation.
15313
15314 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
15315
15316         PR target/19663
15317         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
15318
15319 2005-01-27  Richard Henderson  <rth@redhat.com>
15320
15321         * builtins.c (expand_builtin_copysign): New.
15322         (expand_builtin): Call it.
15323         * genopinit.c (optabs): Add copysign_optab.
15324         * optabs.c (init_optabs): Initialize it.
15325         (expand_copysign): New.
15326         * optabs.h (OTI_copysign, copysign_optab): New.
15327         (expand_copysign): Declare.
15328
15329         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
15330         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
15331
15332         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
15333         (ix86_expand_fp_absneg_operator): ... here.
15334         (ix86_split_copysign): New.
15335         * config/i386/i386-protos.h: Update.
15336         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
15337         (copysignsf3, copysigndf3): New.
15338
15339         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
15340         (copysignsf3, ncopysignsf3): New.
15341         (copysigndf3, ncopysigndf3): New.
15342         (copysignxf3, ncopysignxf3): New.
15343         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
15344
15345 2005-01-27  Arend Bayer  <arend.bayer@web.de>
15346             Kazu Hirata  <kazu@cs.umass.edu>
15347
15348         * cse.c: (find_best_addr): Don't call copy_rtx before calling
15349         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
15350         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
15351         NULL_RTX.
15352
15353 2005-01-27  Jeff Law  <law@redhat.com>
15354
15355         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
15356         definitions of SSA_NAMEs which are not being rewritten.
15357         (rewrite_ssa_into_ssa): Only initialize the current definition
15358         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
15359         If checking is enabled, assert that SSA_NAME_AUX is clear for all
15360         SSA_NAMEs before returning.
15361
15362 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
15363
15364         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
15365         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
15366         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
15367         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
15368         config/mips/iris6.h, config/sh/sh.c: Update copyright.
15369
15370 2005-01-27  Steven Bosscher  <stevenb@suse.de>
15371
15372         PR middle-end/17278
15373         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
15374         higher to -O2 and higher.  Likewise for tree PRE.
15375         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
15376         and better.
15377
15378 2005-01-27  Ian Lance Taylor  <ian@airs.com>
15379
15380         PR middle-end/19583
15381         * gimple-low.c (try_catch_may_fallthru): New static function.
15382         (block_may_fallthru): Handle TRY_CATCH_EXPR.
15383         * tree-inline.c (expand_call_inline): Don't warn about reaching
15384         the end of a non-void function being inlined if the function uses
15385         a return slot.
15386
15387 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
15388
15389         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
15390
15391         PR c/18946
15392         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
15393         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
15394         (implicitly_declare): Handle error_mark_node.
15395
15396 2005-01-27  Richard Henderson  <rth@redhat.com>
15397
15398         PR tree-opt/14329
15399         * tree.h (struct tree_decl): Add debug_expr_is_from.
15400         (DECL_DEBUG_EXPR_IS_FROM): New.
15401         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
15402         * dwarf2out.c (dwarf2out_var_location): Update to match.
15403         * tree-outof-ssa.c (create_temp): Likewise.
15404         * var-tracking.c (track_expr_p): Likewise.
15405         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
15406         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
15407         * toplev.c (default_tree_printer): Likewise.
15408
15409 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
15410
15411         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
15412         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
15413
15414 2005-01-27  Steven Bosscher  <stevenb@suse.de>
15415
15416         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
15417         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
15418         ASM_CLOBBERS): Add tree checks.
15419
15420         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
15421         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
15422         * c-common.def (SWITCH_STMT): Update to match.
15423         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
15424         macros instead of SWITCH_EXPR ones.
15425         * c-dump.c (c_dump_tree): Likewise.
15426         * c-gimplify.c (gimplify_switch_stmt): Likewise.
15427         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
15428
15429         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
15430
15431 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
15432
15433         * unwind-dw2.c (execute_stack_op): Add missing cases for
15434         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
15435
15436 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
15437
15438         * config.gcc (Obsolete configurations): Remove 'dummy', add
15439         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
15440         sparc-*-openbsd*.
15441
15442 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
15443
15444         PR tree-optimization/19633
15445         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
15446         CALL_EXPRs.
15447         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
15448         are no call-clobbered variables.
15449         * tree-outof-ssa.c (check_replaceable): Return false for calls
15450         with side-effects.
15451
15452 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
15453
15454         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
15455         even for variables with NULL DECL_INITIAL.
15456
15457 2005-01-26  Stuart Hastings  <stuart@apple.com>
15458
15459         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
15460
15461 2005-01-26  Richard Henderson  <rth@redhat.com>
15462
15463         PR middle-end/18008
15464         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
15465         field's type.
15466         * expr.c (store_field): Strip conversions to odd-bit-sized types
15467         if the destination field width matches.
15468
15469 2005-01-26  Richard Henderson  <rth@redhat.com>
15470
15471         * c-decl.c, expmed.c, expr.c: Revert last change.
15472
15473 2005-01-26  Richard Henderson  <rth@redhat.com>
15474
15475         PR middle-end/18008
15476         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
15477         field's type.
15478         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
15479         if we don't need the bits above those present in the current mode.
15480         * expr.c (store_field): Strip conversions to odd-bit-sized types
15481         if the destination field width matches.
15482
15483 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
15484
15485         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
15486         either -ffast-math or -funsafe-math-optimizations is in use.
15487
15488 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
15489
15490         PR target/19293
15491         PR target/19329
15492         * config/avr/avr.c (notice_update_cc): Only set condition code for
15493         ashrqi3 if shift count > 0.
15494         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
15495         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
15496         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
15497         count <= 0 as a no-op, and shift count >= width by copying zero
15498         or sign bit to all bits of the result.
15499         * config/avr/avr.md (all shifts): Add alternatives for zero shift
15500         count, with attribute "length" set to 0 and "cc" set to "none".
15501
15502 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
15503
15504         * doc/invoke.texi: Document -mTLS.
15505
15506         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
15507         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
15508         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
15509         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
15510         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
15511         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
15512         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
15513         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
15514
15515         * configure.ac: Check for a TLS capable gas.
15516
15517         * configure: Regenerate.
15518
15519 2005-01-26  Richard Henderson  <rth@redhat.com>
15520
15521         PR middle-end/18008
15522         * combine.c (make_field_assignment): Simplify store to zero_extract
15523         from a source with an overlapping mask.
15524
15525 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
15526
15527         2004-11-11  Eric Christopher  <echristo@redhat.com>
15528
15529         * config/frv/frv.md: Add fr400_integer automaton. Don't
15530         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
15531         to TYPE_MACC.
15532
15533 2005-01-26  Steven Bosscher  <stevenb@suse.de>
15534
15535         PR middle-end/16585
15536         * cfgbuild.c (make_edges): Do not clear or set
15537         current_function_has_computed_jump.
15538         * function.h (struct function): Remove the has_computed_jump field.
15539         (current_function_has_computed_jump): Do not define.
15540         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
15541         in a computed jump.  Ignore current_function_has_computed_jump.
15542
15543 2005-01-26  Richard Henderson  <rth@redhat.com>
15544
15545         PR middle-end/19515
15546         * expr.c (categorize_ctor_elements): New argument p_must_clear.
15547         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
15548         fully initialized.
15549         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
15550         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
15551         objects into static storage if they have more than one non-zero value.
15552         * tree.h (categorize_ctor_elements): Update decl.
15553
15554 2005-01-26  Steven Bosscher  <stevenb@suse.de>
15555
15556         PR middle-end/19616
15557         * tree.h (CALL_EXPR_TAILCALL): Add comment.
15558         * calls.c (check_sibcall_argument_overlap_1): Revert the change
15559         to this function from 2004-07-10.
15560         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
15561         the current function for tail call optimizations if the address
15562         of one of it its arguments is taken.
15563
15564 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
15565
15566         * cse.c (fold_rtx): Call equiv_constant only when necessary.
15567
15568 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
15569
15570         * function.c (expand_function_end): If current_function_calls_alloca,
15571         emit stack restore in a place that is reached when the function falls
15572         through at the end.
15573
15574 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
15575
15576         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
15577         rule to avoid matching inappropriate suffix rule.
15578
15579 2005-01-26  Jan Hubicka  <jh@suse.cz>
15580
15581         PR tree-optimization/19241
15582         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
15583
15584 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
15585
15586         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
15587         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
15588         of doubling.
15589         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
15590         <sim*>: Always use crt1.o, regardless of N in simN.
15591         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
15592         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
15593         (CRT_CALL_STATIC_FUNCTION): Remove.
15594         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
15595         use crt1.o, regardless of N in simN.
15596         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
15597         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
15598         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
15599         case isystem setting.
15600         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
15601
15602 2005-01-25  Ian Lance Taylor  <ian@airs.com>
15603
15604         * gimple-low.c (block_may_fallthru): Correct handling of
15605         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
15606
15607 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
15608
15609         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
15610         handlers to match indentation; nested under the mtune=* handler.
15611         Similar for mcpu= and march=.
15612
15613 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
15614
15615         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
15616         * config/mips/linux64.h (LIB_SPEC): Likewise.
15617         * config/mn10300/linux.h (LIB_SPEC): Likewise.
15618         * config/sh/linux.h (LIB_SPEC): Likewise.
15619
15620 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
15621
15622         * config/frv/frv.c (frv_legitimize_tls_address): New.
15623         (TARGET_HAVE_TLS): Define.
15624         (FRV_SYMBOL_REF_TLS_P): Define.
15625         (frv_override_options): Handle new register classes.
15626         (frv_legitimate_address_p): Reject tls addresses.
15627         (frv_legitimize_address): Handle TLS addresses.
15628         (gen_inlined_tls_plt): New.
15629         (gen_tlsmoff): New.
15630         (frv_legitimize_tls_address): New.
15631         (unspec_got_name): Add TLS entries.
15632         (got12_operand): Add R_FRV_TLSMOFF12 case.
15633         (frv_emit_move): Fixup TLS addresses.
15634         (frv_emit_movsi): Legitimize TLS addresses.
15635
15636         * config/frv/frv.h (MASK_BIG_TLS): New.
15637         (TARGET_BIG_TLS): New.
15638         (HAVE_AS_TLS): Define.
15639         (TARGET_SWITCHES): Add -mTLS and -mtls options.
15640         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
15641         (REG_CLASS_NAMES): Same.
15642         (REG_CLASS_CONTENTS): Same.
15643         (CONSTRAINT_LEN): New.
15644         (REG_CLASS_FROM_CONSTRAINT): New.
15645         (PREDICATE_CODES): Add symbolic_operand.
15646
15647         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
15648         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
15649         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
15650         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
15651         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
15652         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
15653         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
15654         GR9_REG, GR14_REG, LRREG.
15655         (type): Add load_or_call attribute.
15656         ("load_or_call"): New reservation.
15657         ("call_gettlsoff"): New.
15658         ("tls_indirect_call"): New.
15659         ("tls_load_gottlsoff12"): New.
15660         ("tlsoff_hilo"): New.
15661         ("tls_tlsdesc_ldd"): New.
15662         ("tls_tlsoff_ld"): New.
15663         ("tls_lddi"): New.
15664
15665         * config/frv/frv-protos.h (symbolic_operand): Protoize.
15666
15667         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
15668
15669         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
15670         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
15671         * config/frv/frv.c (TLS_BIAS): Define.
15672         (frv_output_dwarf_dtprel): New.
15673
15674 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
15675
15676         PR rtl-optimization/19579
15677         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
15678         both A and B, see if they don't clobber registers the other expr uses.
15679
15680 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
15681
15682         * real.c (do_add): Initialize signalling and canonical members.
15683
15684         * real.c (real_from_integer): Zero out destination.
15685
15686 2005-01-18  Jan Hubicka  <jh@suse.cz>
15687
15688         PR tree-optimize/19337
15689         * tree-inline.c (initialize_inlined_parameters): Copy
15690         saved_static_chain_decl only.
15691
15692 2005-01-25  Richard Henderson  <rth@redhat.com>
15693
15694         PR target/19556
15695         PR target/19584
15696         * config/i386/i386.c (x86_inter_unit_moves): Zero.
15697         (ix86_preferred_reload_class): Rewrite fp-constant section, with
15698         80387 enabled, to return a proper subclass.  Return the subset that
15699         overlaps with GENERAL_REGS for PLUS.
15700         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
15701
15702 2005-01-25  Richard Henderson  <rth@redhat.com>
15703
15704         PR middle-end/19609
15705         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
15706
15707 2005-01-25  Roger Sayle  <roger@eyesopen.com>
15708
15709         * expmed.c (choose_multiplier): Change interface to return the
15710         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
15711         (expand_divmod): Update calls to choose_multiplier.
15712
15713 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15714
15715         PR middle-end/19330
15716         * expmed.c (extract_bit_field): Use adjust_address instead of
15717         gen_lowpart when op0 is a MEM.
15718
15719 2005-01-24  Steven Bosscher  <stevenb@suse.de>
15720
15721         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
15722
15723 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
15724
15725         * config/mips/irix-csr.c: New file.
15726         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
15727         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
15728         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
15729         executables.
15730
15731 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
15732
15733         PR bootstrap/19364
15734         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
15735         sparc/elf.h, add sparc/sp-elf.h.
15736         (sparc-*-rtems*): Likewise.
15737         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
15738         tm-dwarf2.h, add sparc/sp-elf.h.
15739         (sparc86x-*-elf): Likewise.
15740         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
15741         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
15742         TARGET_OS_CPP_BUILTINS.
15743         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
15744         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
15745         Undefine it.
15746         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
15747         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
15748         (SWITCH_TAKES_ARG): Likewise.
15749         (LOCAL_LABEL_PREFIX): Likewise.
15750         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
15751         (TARGET_N_FORMAT_TYPES): Delete.
15752         (TARGET_FORMAT_TYPES): Likewise.
15753         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
15754         * config/sparc/elf.h: Delete.
15755         * config/sparc/sp-elf.h: New file.
15756
15757 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
15758
15759         * tree-flow-inline.h (phi_arg_from_edge): Remove.
15760         * tree-flow.h: Remove the corresponding prototype.
15761         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
15762         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
15763
15764 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
15765
15766         PR target/17751
15767         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
15768         for AIX ABI or ELF -fPIC.
15769         (rs6000_emit_load_toc_table): Don't create toc_section here.
15770         (rs6000_xcoff_file_start): Nor here.
15771
15772 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
15773
15774         * sh.c (ra.h): Don't #include.
15775         (hard_regs_intersect_p): New function, resurrected from ra.c.
15776
15777         * sh.c: Fix 1996 Copyright.
15778
15779 2005-01-24  Richard Henderson  <rth@redhat.com>
15780             Aldy Hernandez  <aldyh@redhat.com>
15781
15782         * regrename.c (note_sets): Handle subregs.
15783
15784 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
15785
15786         PR bootstrap/18058
15787         * genconditions.c (write_header, write_conditions): Elide file if
15788         not GCC >= 3.0.1.
15789
15790 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
15791
15792         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
15793         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
15794         Update copyright.
15795
15796 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
15797
15798         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
15799         expand_builtin_printf, expand_builtin_fprintf,
15800         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
15801         checking against POINTER_TYPE.
15802         (validate_arglist): Handle POINTER_TYPE code by checking
15803         POINTER_TYPE_P.
15804
15805 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
15806
15807         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
15808         init_rtlanal): New.
15809         (for_each_rtx): Call for_each_rtx_1.
15810         * rtl.h (init_rtlanal): Declare.
15811         * toplev.c (backend_init): Call init_rtlanal.
15812
15813 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
15814
15815         * flow.c (propagate_one_insn): Formatting.
15816
15817         PR middle-end/19551
15818         * flow.c (libcall_dead_p): Be more conservative if unsure.
15819         If there are any instructions between insn and call, see if they are
15820         all dead before saying the libcall is dead.
15821
15822 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
15823
15824         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
15825         operand constraint for operand 0.
15826
15827 2005-01-23  Richard Henderson  <rth@redhat.com>
15828
15829         PR 19486
15830         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
15831         edges leading to join block.
15832
15833 2005-01-23  Roger Sayle  <roger@eyesopen.com>
15834
15835         * expmed.c (expand_mult_highpart): Make static.  Change type of
15836         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
15837         (expand_divmod): Updates calls to expand_mult_highpart by using
15838         gen_int_mode to pass a CONST_INT rtx.
15839         * rtl.h (expand_mult_highpart): Remove prototype.
15840
15841 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
15842
15843         * flow.c (regset_bytes, regset_size): Remove.
15844
15845         * cfganal.c: Fix a reference to Harvey's paper.
15846
15847 2005-01-23  Steven Bosscher  <stevenb@suse.de>
15848
15849         PR rtl-optimization/19464
15850         * tree-optimize.c (init_tree_optimization_passes): Add one more
15851         copyrename pass just before out-of-ssa.
15852
15853 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
15854
15855         PR bootstrap/18058
15856         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
15857         * ggc-none.c (ggc_free): Define.
15858
15859 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
15860
15861         * cse.c (max_reg, max_insn_uid): Remove.
15862         (cse_main): Don't access max_reg or max_insn_uid.
15863
15864         * c-common.c (explicit_flag_signed_bitfields,
15865         lang_statement_code_p, lang_expand_function_end): Remove.
15866         * c-common.h: Remove the corresponding declarations.
15867         * c-opts.c (c_common_handle_option): Remove all write access
15868         to explicit_flag_signed_bitfields.
15869
15870         * cgraph.c (cgraph_varpool_n_nodes): Remove.
15871         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
15872         * cgraph.h: Remove the corresponding declaration.
15873
15874         * gcse.c (null_pointer_info): Remove.
15875
15876 2005-01-23  Roger Sayle  <roger@eyesopen.com>
15877             Eric Botcazou  <ebotcazou@libertysurf.fr>
15878
15879         * combine.c (simplify_logical): Only simplify logical expressions
15880         of the form ior(and(x,y),z) by the inverse distributive law if the
15881         result is cheaper than the original.
15882
15883 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
15884
15885         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
15886         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
15887         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
15888         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
15889         config/freebsd-spec.h, config/arm/arm.h,
15890         config/h8300/h8300.md, config/i386/i386.md,
15891         config/i386/predicates.md, config/i386/sse.md,
15892         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
15893         config/vax/vax.md: Fix comment typos.  Follow spelling
15894         conventions.
15895
15896 2005-01-23  Steven Bosscher  <stevenb@suse.de>
15897
15898         * gengtype.c (walk_type): Produce `not equal to' compares for loop
15899         tests, instead of `less than'.
15900
15901 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
15902
15903         * function.c (assign_parm_setup_block): When creating a new stack slot
15904         for a parameter, get its alignment from the parameter's DECL_ALIGN
15905         rather than the type's TYPE_ALIGN.  Make sure that the parameter
15906         is at least word aligned.
15907
15908 2005-01-22  Roger Sayle  <roger@eyesopen.com>
15909
15910         PR middle-end/19378
15911         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
15912
15913 2005-01-22  Richard Henderson  <rth@redhat.com>
15914
15915         PR target/19506
15916         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
15917         in both compare operands.
15918         (movdfcc_1_sse_max): Likewise.
15919         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
15920         (movdfcc_1_sse): Likewise.
15921         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
15922         scratch register as needed.
15923
15924 2005-01-22  Richard Henderson  <rth@redhat.com>
15925
15926         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
15927
15928         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
15929
15930 2005-01-22  Richard Henderson  <rth@redhat.com>
15931
15932         * genopinit.c (optabs): Use smin/smax for floating point too.
15933         * doc/md.texi: Update to match.  Clarify that floating point
15934         results are undefined for +0/-0 and NaN.
15935         * doc/rtl.texi: Likewise.
15936         * rtl.def (SMIN, SMAX): Likewise
15937         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
15938
15939         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
15940         leading 's' to the name.
15941         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
15942         smaxxf3, sminxf3): Likewise.
15943         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
15944         Likewise.
15945
15946 2005-01-22  Paul Brook  <paul@codesourcery.com>
15947
15948         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
15949
15950 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
15951
15952         * config/s390/s390.c (struct processor_costs): New fields
15953         dlgr, dlr, dr, dsgfr, dsgr.
15954         (z900_cost, z990_cost): Values for new fields.
15955         (s390_rtx_costs): New cases MEM und COMPARE in switch
15956         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
15957         DIV, MOD, UDIV, UMOD.
15958
15959 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
15960
15961         * config/s390/s390.md ("doloop_si64"): Reload input value directly
15962         into the register being decremented.
15963         ("doloop_si31", "doloop_di"): Likewise.
15964         ("*doloop_si_long"): Adapt pattern.
15965
15966 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
15967
15968         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
15969         access registers.
15970         (CLASS_MAX_NREGS): Likewise.
15971
15972 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
15973
15974         * doc/tree-ssa.texi (Statement Operands): Add example for new
15975         must-def macro. Note deprecation of old operands interface.
15976
15977 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
15978
15979         PR tree-optimization/19484
15980         * tree-cfg.c (remove_fallthru_edge): New function.
15981         (cleanup_control_flow): Remove fallthru edges from calls that are
15982         now known not to return.
15983
15984 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
15985
15986         Fix PR tree-optimization/19038
15987         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
15988         copies with loop variant ones.
15989
15990 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
15991
15992         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
15993         config/alpha/alpha-protos.h, config/alpha/alpha.h,
15994         config/alpha/alpha.md, config/alpha/predicates.md,
15995         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
15996         config/sparc/sol2.h: Update copyright.
15997
15998         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
15999         first label to see if it is a nonlocal label.
16000
16001 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
16002             Andrew Pinski  <pinskia@physics.uc.edu>
16003
16004         PR target/19491
16005         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
16006         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
16007
16008 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
16009
16010         * config/rs6000/rtems.h: Update copyright.
16011
16012 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
16013
16014         PR target/19548
16015         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
16016         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
16017         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
16018
16019 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
16020
16021         PR c/18809
16022         * c-typeck.c (convert_arguments): Check for error_mark_node.
16023
16024 2005-01-21  Ian Lance Taylor  <ian@airs.com>
16025
16026         PR tree-optimization/13000
16027         * tree-inline.c: Include "tree-flow.h".
16028         (expand_call_inline): If warn_return_type, warn if non-void inline
16029         function falls through.
16030         * tree-cfg.c (execute_warn_function_return): Don't warn about
16031         control reaching end if TREE_NO_WARNING is set.  Set
16032         TREE_NO_WARNING.
16033         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
16034         has been lowered.
16035         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
16036         branch if we don't need one.
16037         * c-typeck.c: Include "tree-flow.h"
16038         (c_finish_bc_stmt): Don't add a goto if the current statement
16039         list doesn't fall through to the current point.
16040
16041 2005-01-21  Roger Sayle  <roger@eyesopen.com>
16042
16043         PR rtl-optimization/576
16044         * real.c (real_arithmetic): Change return type from void to bool
16045         to return an indication that the result may be inexact.
16046         * real.h (real_arithmeric): Update prototype.
16047         * fold-const.c (const_binop):  Don't constant fold floating
16048         point expressions when the user specifies -frounding-math and
16049         the result may depend upon the run-time rounding mode.
16050         (fold_convert_const_real_from_real): Clean-up.
16051         (fold_initializer): Ignore flag_rounding_math for initializers.
16052         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
16053         constant fold FP operations with flag_rounding_math if the
16054         result may depend upon the run-time rounding mode.
16055
16056 2005-01-21  Tom Tromey  <tromey@redhat.com>
16057
16058         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
16059
16060 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
16061
16062         * tree-cfg.c: Fix comment typos.
16063
16064 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
16065
16066         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
16067         around the call to rest_of_handle_branch_target_load_optimize.
16068
16069 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
16070
16071         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
16072         (sparc64-*-openbsd*): Likewise.
16073         (sparclite-*-elf*): Include tm-dwarf2.h.
16074         (sparc86x-*-elf*): Likewise.
16075         (sparc64-*-elf*): Likewise.
16076         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
16077         (DBX_DEBUGGING_INFO): Likewise.
16078         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
16079         (PREFERRED_DEBUGGING_TYPE): Likewise.
16080         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
16081         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
16082         (PREFERRED_DEBUGGING_TYPE): Likewise.
16083         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
16084         (PREFERRED_DEBUGGING_TYPE): Likewise.
16085         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
16086
16087 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
16088
16089         PR target/18701
16090         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
16091
16092 2005-01-20  Paul Brook  <paul@codesourcery.com>
16093
16094         * doc/rtl.texi: Document value extension requirements for CONST_INT.
16095
16096 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
16097
16098         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
16099         label is first in a sequence of labels.
16100
16101         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
16102
16103 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
16104             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
16105
16106         * doc/sourcebuild.texi (Test Directives): New.
16107
16108 2005-01-20  Roger Sayle  <roger@eyesopen.com>
16109
16110         * real.c (real_floor): Don't leave the result uninitialized when
16111         mode is VOIDMode, but return the unrounded intermediate value.
16112         (real_ceil): Likewise.
16113
16114 2005-01-20  Paul Brook  <paul@codesourcery.com>
16115
16116         * config/arm/arm.md (insv): Use gen_int_mode.
16117
16118 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
16119
16120         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
16121         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
16122         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
16123         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
16124         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
16125
16126 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
16127
16128         Fix PR debug/19124
16129         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
16130         fbreg, so we have to assume we can't.
16131         (loc_descriptor_from_tree_1): Ditto.
16132         (containing_function_has_frame_base): New function.
16133         (add_location_or_const_value_attribute): Use it.
16134         Also try to generate a frame_base from a single element location
16135         list.
16136
16137 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
16138
16139         PR tree-optimization/15349
16140         * timevar.def (TV_TREE_MERGE_PHI): New.
16141         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
16142         PHI_WANTED.
16143         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
16144         calls to tree_forwarder_block_p.
16145         (remove_forwarder_block_with_phi, merge_phi_nodes,
16146         gate_merge_phi, pass_merge_phi): New.
16147         * tree-optimize.c (init_tree_optimization_passes): Add
16148         pass_merge_phi.
16149         * tree-pass.h: Add an extern for pass_merge_phi;
16150
16151 2005-01-20  Richard Henderson  <rth@redhat.com>
16152
16153         PR target/19418
16154         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
16155         (_mm_castps_pd, _mm_castps_si128): New.
16156         (_mm_castsi128_ps, _mm_castsi128_pd): New.
16157
16158 2005-01-20  Richard Henderson  <rth@redhat.com>
16159
16160         PR target/19530
16161         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
16162         __builtin_ia32_vec_init_v2si.
16163         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
16164         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
16165         (ix86_init_mmx_sse_builtins): Create it.
16166         (ix86_expand_builtin): Expand it.
16167         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
16168         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
16169         (vec_extractv2si_0, vec_extractv2si_1): New.
16170
16171 2005-01-20  Richard Henderson  <rth@redhat.com>
16172
16173         PR target/16533
16174         * config/i386/i386.c (ix86_expand_push): New.
16175         * config/i386/mmx.md (push<MMXMODE>1): New.
16176         * config/i386/sse.md (push<SSEMODE>1): New.
16177         * config/i386/i386-protos.h: Update.
16178
16179 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
16180
16181         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
16182         copyright.
16183
16184 2005-01-20  Richard Henderson  <rth@redhat.com>
16185
16186         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
16187         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
16188
16189 2005-01-19  Richard Henderson  <rth@redhat.com>
16190
16191         PR target/19350
16192         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
16193         to V4SFmode in SSE1 fallback load path.
16194
16195 2005-01-19  Richard Henderson  <rth@redhat.com>
16196
16197         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
16198         in QImode expansion to ix86_expand_vector_set.
16199         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
16200
16201 2005-01-19  Richard Henderson  <rth@redhat.com>
16202
16203         PR target/19511
16204         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
16205         subclass of the input class.
16206         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
16207         Always true for cross-SSE1 classes.  Rationalize conditionals.
16208         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
16209         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
16210         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
16211         (movdi_2): Add MMX/SSE zeros.
16212         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
16213         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
16214         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
16215         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
16216         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
16217         (zero_extendsidi2_rex64_1): Remove.
16218         (MOV0 peephole): Check GENERAL_REG_P.
16219
16220 2005-01-19  Richard Henderson  <rth@redhat.com>
16221
16222         PR target/19427
16223         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
16224         shufps elements.
16225         (ix86_expand_vector_extract): Likewise.
16226
16227 2005-01-19  Richard Henderson  <rth@redhat.com>
16228
16229         PR middle-end/19304
16230         * expr.c (emit_move_change_mode): New argument force; use
16231         simplify_gen_subreg if true.
16232         (emit_move_via_alt_mode): Merge into ...
16233         (emit_move_via_integer): ... here.
16234         (emit_move_ccmode): Use emit_move_change_mode directly.
16235
16236 2005-01-19  Richard Henderson  <rth@redhat.com>
16237
16238         PR target/19518
16239         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
16240         (alpha_preferred_reload_class): Handle CONST_VECTOR.
16241         (alpha_emit_set_const_1): Add no_output parameter; don't emit
16242         rtl if true.
16243         (alpha_emit_set_const): Likewise.  Make static.
16244         (alpha_emit_set_long_const): Make static.
16245         (alpha_extract_integer): Split out from alpha_expand_mov.
16246         (alpha_split_const_mov): Likewise.
16247         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
16248         (alpha_legitimate_constant_p): New.
16249         * config/alpha/alpha-protos.h: Update.
16250         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
16251         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
16252         * config/alpha/alpha.md (movsi): Add n alternative.
16253         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
16254         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
16255         (splitters for all of the above): Use alpha_split_const_mov.
16256         * config/alpha/predicates.md (non_add_const_operand): New.
16257         (non_zero_const_operand): New.
16258         (input_operand): Use alpha_legitimate_constant_p after reload.
16259
16260 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
16261
16262         PR tree-optimization/19038
16263         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
16264         (add_candidate): Add ivs with increment in latch only if
16265         allow_ip_end_pos_p is true.
16266         (determine_iv_cost): Use empty_block_p.
16267
16268 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
16269
16270         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
16271         (compute_dominance_frontiers): Ditto.
16272
16273 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
16274
16275         PR target/19529
16276         * config/sh/t-rtems: New.
16277         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
16278
16279 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
16280
16281         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
16282         the offset of the selected field.
16283
16284 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
16285
16286         * tree-cfg.c (remove_forwarder_block): Fix the check to
16287         prevent a nonlocal label from appearing in the middle of a
16288         basic block.
16289
16290 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
16291
16292         PR rtl-optimization/19462
16293         * reorg.c (find_end_label): Create return insn only if
16294         current_function_epilogue_delay_list is empty.
16295
16296 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
16297
16298         * doc/passes.texi: Remove paragraph mentioning new-ra.
16299
16300 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
16301
16302         PR rtl-optimization/15139
16303         * combine.c: Include params.h.
16304         (count_rtxs): New function.
16305         (record_value_for_reg): If replace_rtx would replace at least
16306         2 occurrences of REG in VALUE and TEM is really large, replace REG with
16307         (clobber (const_int 0)) instead of TEM.
16308         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
16309         * params.h (MAX_LAST_VALUE_RTL): New.
16310         * Makefile.in (combine.o): Depend on $(PARAMS_H).
16311         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
16312
16313         PR c/17297
16314         * c-typeck.c (digest_init): Only call build_vector if all constructor
16315         elements are *_CST nodes.
16316         * gimplify.c (gimplify_init_constructor): Likewise.
16317
16318         PR middle-end/19164
16319         * c-typeck.c (digest_init): Only call build_vector if inside_init
16320         is a CONSTRUCTOR.
16321
16322 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
16323
16324         * toplev.c (init_asm_output): Remove dead #ifdef.
16325
16326 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
16327
16328         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
16329
16330 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
16331
16332         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
16333         accessing DECL_FUNCTION_CODE.
16334         * dojump.c (do_jump): Likewise.
16335         * gimplify.c (gimplify_call_expr): Likewise.
16336         * predict.c (expr_expected_value): Likewise.
16337         (strip_builtin_expect): Likewise.
16338         * tree-inline.c (estimate_num_insns_1): Likewise.
16339         * tree-ssa-loop-im.c (stmt_cost): Likewise
16340         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
16341         (tree_expr_nonnegative_p): Likewise.
16342
16343 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
16344
16345         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
16346         variant of the load_pcrel_sym pattern.
16347         * config/sparc/sparc.md (P macro): Move to the top.
16348         (load_pcrel_sym): Macroize using P.
16349         (save_register_window): Likewise.
16350
16351 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
16352
16353         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
16354         ("sordered"): Same.
16355
16356 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
16357
16358         PR C/19472
16359         * c-typeck.c (build_asm_expr): Strip nops off
16360         input memory operands.
16361
16362 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
16363
16364         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
16365         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
16366         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
16367         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
16368
16369 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
16370
16371         PR target/19379
16372         * config/i386/i386.c (override_options): If the 80387 is disabled,
16373         then do not return FP values using FP registers.
16374
16375 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
16376
16377         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
16378         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
16379         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
16380         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
16381         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
16382         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
16383         output.h, postreload-gcse.c, postreload.c, recog.c,
16384         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
16385         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
16386         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
16387         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
16388         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
16389         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
16390         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
16391         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
16392
16393         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
16394         config/alpha/alpha.c, config/arm/vfp.md,
16395         config/i386/emmintrin.h, config/i386/i386-modes.def,
16396         config/i386/i386-protos.h, config/i386/i386.h,
16397         config/i386/pmmintrin.h, config/i386/ppro.md,
16398         config/i386/predicates.md, config/i386/xmmintrin.h,
16399         config/i860/i860.c, config/ia64/ia64-modes.def,
16400         config/ia64/ia64-protos.h, config/ia64/ia64.h,
16401         config/ia64/ia64.md, config/ia64/itanium1.md,
16402         config/ia64/itanium2.md, config/ia64/predicates.md,
16403         config/iq2000/iq2000.h, config/mips/linux64.h,
16404         config/rs6000/aix41.h, config/rs6000/aix43.h,
16405         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
16406         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
16407         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
16408         config/sparc/linux64.h, config/sparc/litecoff.h,
16409         config/sparc/sp64-elf.h, config/sparc/sparc.c,
16410         config/sparc/sparc.h, config/sparc/sparc.md,
16411         config/sparc/sysv4-only.h: Update copyright.
16412
16413 2005-01-18  Richard Henderson  <rth@redhat.com>
16414
16415         PR target/19496
16416         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
16417
16418 2005-01-18  Marc Espie  <espie@openbsd.org>
16419         * config/i386/openbsdelf.h: Typo.
16420
16421 2005-01-18  Richard Henderson  <rth@redhat.com>
16422
16423         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
16424         special case for sse.
16425         * config/i386/predicates.md (sse_comparison_operator): Likewise.
16426
16427 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
16428
16429         * tree-inline.c (estimate_num_insns_1): Added cases for
16430         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
16431
16432 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
16433
16434         PR rtl-optimization/19296
16435         * combine.c (simplify_comparison): Rewrite the condition under
16436         which a non-paradoxical SUBREG of a PLUS can be lifted when
16437         compared against a constant.
16438
16439 2005-01-18  Andi Kleen <ak@muc.de>
16440
16441         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
16442         * c.opt (-Wpointer-sign): Add.
16443         * doc/invoke.texi: (-Wpointer-sign): Add.
16444
16445 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
16446
16447         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
16448         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
16449         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
16450         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
16451         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
16452         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
16453         for TARGET_MIX_SSE_I387.
16454         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
16455         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
16456         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
16457         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
16458         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
16459         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
16460         TARGET_MIX_SSE_I387.
16461         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
16462         from expander.
16463
16464 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
16465
16466         PR target/19424
16467         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
16468         Add movaps alternative for xmm reg->reg move.
16469
16470 2005-01-17  Jeff Law  <law@redhat.com>
16471
16472         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
16473         at the end of the main DOM loop rather than just before DOM exits.
16474
16475 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
16476
16477         PR tree-optimization/19121
16478         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
16479         adding aliases to a name tag, also add them to the pointer's
16480         type tag.
16481         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
16482         sensitive alias info at all.  Only check that the two pointers
16483         have compatible pointed-to sets.
16484         * tree-ssa.c (verify_name_tags): Verify that the alias set of
16485         a pointer's type tag is a superset of the alias set of the
16486         pointer's name tag.
16487
16488 2005-01-17  James E Wilson  <wilson@specifixinc.com>
16489
16490         PR target/19357
16491         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
16492         comment to document why.
16493
16494 2005-01-17  Richard Henderson  <rth@redhat.com>
16495
16496         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
16497         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
16498         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
16499         sse2_vmsminv2df3_finite): New.
16500         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
16501         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
16502         Force op1 into register.
16503
16504 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
16505
16506         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
16507         bubblestrap from always rebuilding build directory.
16508
16509 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
16510
16511         * config/s390/s390.md ("*clc"): Remove incorrect '='.
16512         ("*cmpmem_short"): Likewise.
16513
16514 2005-01-17  Steven Bosscher  <stevenb@suse.de>
16515
16516         * basic-block.h: Document BB_* flags.
16517         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
16518         use an sbitmap instead.
16519         * sched-rgn.c (compute_trg_info): Likewise.
16520
16521 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
16522
16523         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
16524         redundant target_cpu_default and extra_parts lines.  Use the default
16525         "from-abi" ISA.
16526         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
16527         (SUBTARGET_EXTRA_SPECS): Delete.
16528         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
16529         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
16530         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
16531         and "n32" for -mabi=n32.
16532
16533 2005-01-17  Ian Lance Taylor  <ian@airs.com>
16534
16535         PR c/5675
16536         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
16537         fold constant variables into initial values.
16538
16539 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
16540
16541         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
16542
16543         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
16544         through the statements backward.
16545
16546 2005-01-17  Ian Lance Taylor  <ian@airs.com>
16547
16548         PR middle-end/13127:
16549         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
16550         a variable set to the return value of the inlined function.
16551
16552 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
16553
16554         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
16555         when modes are tieable.
16556
16557 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
16558
16559         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
16560         of pthread_create to find out if threads are enabled.
16561         * gthr-posix95.h (__gthread_active_p): Likewise.
16562
16563 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
16564
16565         * common.opt (-fnew-ra): Remove.
16566         * ra*.*: Remove.
16567         * toplev.h (flag_new_regalloc): Remove.
16568         * Makefile.in (ra*.*): Don't mention.
16569         * passes.c (rest_of_handle_new_regalloc): Remove.
16570         (rest_of_handle_combine, rest_of_compilation): Always consider
16571         flag_new_regalloc as false.
16572         * doc/invoke.texi: Don't document -fnew-ra.
16573
16574 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
16575
16576         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
16577         last parameter to reg_scan.
16578         * loop.c (loop_optimize): Likewise.
16579         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
16580         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
16581         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
16582         rest_of_handle_gcse, rest_of_handle_loop_optimize,
16583         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
16584         * regclass.c (reg_scan): Likewise, for the declaration.
16585         * rtl.h (reg_scan): Likewise, for the prototype.
16586
16587 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
16588
16589         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
16590         mark_dfs_back_edges.
16591
16592 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
16593
16594         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
16595         (compute_avail): Uses don't go in tmp_gen.
16596
16597 2005-01-16  Steven Bosscher  <stevenb@suse.de>
16598
16599         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
16600         loop to look for a free slot in a page entry.
16601
16602 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16603
16604         PR target/16304
16605         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
16606         * toplev.c (compile_file): Call process_pending_assemble_output_defs
16607         just before targetm.asm_out.file_end.
16608         * tree.h (process_pending_assemble_output_defs): Declare.
16609         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
16610         New functions.
16611         (assemble_alias): Defer generation of assembly code for defines when
16612         TARGET_DEFERRED_OUTPUT_DEFS is true.
16613         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
16614         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
16615         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
16616
16617 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16618
16619         PR target/19336
16620         * pa.c (pa_scalar_mode_supported_p): New function.
16621         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
16622         * pa.h (MIN_UNITS_PER_WORD): Add comment.
16623
16624         * pa-protos.h (prefetch_operand): Delete.
16625         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
16626         * pa.c (prefetch_operand): Delete.
16627         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
16628         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
16629         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
16630         and prefetch_nocc_operand.
16631         * pa.md (prefetch): Rework to avoid reload problems handling short
16632         displacements when a cache control completer needs to be provided.
16633         (prefetch_32, prefetch_64): Delete.
16634         (prefetch_cc, prefetch_nocc): New patterns.
16635
16636 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
16637
16638         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
16639
16640 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16641
16642         PR ada/19388
16643         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
16644         exceeds maximum alignment for global common data.
16645         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
16646         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
16647
16648 2004-01-15  Roger Sayle  <roger@eyesopen.com>
16649
16650         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
16651
16652 2004-01-15  Roger Sayle  <roger@eyesopen.com>
16653
16654         * harg-reg-set.h (reg_class_names): Prototype global array.
16655         * regclass.c (reg_class_names): Declare here and initialize to
16656         REG_CLASS_NAMES.
16657         (dump_regclass): Remove local declaration of reg_class_names.
16658         (regclass): Likewise.
16659         * cfg.c (dump_flow_info): Likewise.
16660         * ra-debug.c (reg_class_names): Likewise.
16661         * regrename.c (reg_class_names): Likewise.
16662         * reload.c (reg_class_names): Likewise.
16663         * reload1.c (spill_failure): Likewise.
16664         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
16665
16666 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
16667
16668         * config/s390/s390.md ("reload_outti"): Remove predicate for
16669         output operand.  Abort if operand is not a MEM.
16670         ("reload_outdi", "reload_outdf"): Likewise.
16671
16672 2005-01-15  Marc Espie  <espie@openbsd.org>
16673
16674         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
16675         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
16676         * config/openbsd.h:  Fix C++ includes for native configurations.
16677         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
16678         Add trampoline support.
16679         * config/i386/openbsdelf.h: New.
16680
16681 2005-01-15  Marc Espie  <espie@openbsd.org>
16682
16683         * collect2.c (main): Explicitly parse -dynamic-linker option.
16684
16685 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
16686
16687         PR tree-optimization/19060
16688         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
16689         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
16690         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
16691         and handle extract_range_from_cond returning false.
16692         * fold-const.c (fold): Optimize comparisons with min/max even for
16693         width > HOST_BITS_PER_WIDE_INT.
16694
16695 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
16696
16697         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
16698         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
16699         Remove little endian multilib variants.
16700         Add mips32 multilib variant.
16701
16702 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
16703
16704         * explow.c (copy_all_reg, stabilize): Remove.
16705         * expr.h: Remove the corresponding prototypes.
16706
16707         * rtlanal.c (regs_set_between_p): Remove.
16708         * rtl.h: Remove the corresponding prototype.
16709
16710 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
16711
16712         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
16713         to rs6000_nonimmediate_operand.
16714         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
16715         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
16716         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
16717         rs6000_nonimmediate_operand.
16718         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
16719         rs6000_nonimmediate_operand.
16720
16721 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
16722
16723         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
16724
16725 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
16726
16727         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
16728         on e500v2.
16729         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
16730         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
16731
16732         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
16733         (rs6k_nonimmediate_operand): New.
16734         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
16735         correctly.
16736         (legitimate_lo_sum_address_p): Same.
16737         (rs6000_legitimize_address): Same.
16738         (rs6000_legitimize_reload_address): Same.
16739         (rs6000_legitimate_address): Same.
16740         (spe_build_register_parallel): Pass DF and DC modes in a DI
16741         register.
16742
16743         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
16744         to rs6k_nonimmediate_operand.
16745
16746         * config/rs6000/spe.md ("*frob_df_di"): New.
16747         ("*frob_di_df"): New.
16748         ("*frob_di_df_2"): New.
16749         ("*mov_sidf_e500_subreg0"): New.
16750         ("*mov_sidf_e500_subreg4"): New.
16751         ("*movdf_e500_double"): Change predicate to
16752         rs6k_nonimmediate_operand.
16753
16754 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
16755
16756         * postreload.c (move2add_note_store): Only call
16757         trunc_int_for_mode on scalar integers.
16758
16759 2005-01-14  Steven Bosscher  <stevenb@suse.de>
16760
16761         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
16762         replace BB_VISITED uses.
16763         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
16764         (propagate_necessity): Check the bitmap instead of BB_VISITED.
16765         (tree_dce_done): Free visited_control_parents.
16766         (perform_tree_ssa_dce): Allocate and clear it.
16767         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
16768         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
16769         instead of BB_VISITED.
16770
16771 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
16772
16773         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
16774         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
16775         Remove unused prototypes.
16776
16777 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
16778
16779         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
16780         64-bit register usage.
16781         (spe_func_has_64bit_regs_p): Add FIXME note.
16782
16783 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
16784
16785         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
16786         flag_finite_math_only with flag_unsafe_math_optimizations.
16787
16788 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
16789
16790         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
16791         end-of-stack check.
16792         (__tpf_eh_return): Copy TPF private stack area from the module
16793         boundary stack frame.  Add check for when module addresses are
16794         equal, but no stub address is found.
16795
16796 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
16797
16798         PR target/7525
16799         * arm.h (struct machine_function): Add call_via field.
16800         (thumb_call_via_label): Declare.
16801         * arm.c (thumb_call_via_label): New variable.
16802         (thumb_call_reg_needed): New variable.
16803         (arm_output_function_epilogue): For Thumb code, output any per-function
16804         call-indirect trampolines.
16805         (thumb_call_via_reg): New function.
16806         (arm_file_end): New function.
16807         (TARGET_ASM_FILE_END): Call arm_file_end.
16808         (aof_file_end): Likewise.
16809         * arm-protos.h (thumb_call_via_reg): Declare.
16810         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
16811         thumb_call_via_reg in normal case.
16812
16813 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
16814
16815         PR middle-end/19084
16816         PR rtl-optimization/19348
16817         * recog.c (peephole2_optimize): Do global life update if some peephole
16818         decides it doesn't need at least one of its inputs and that change
16819         influences liveness at the start of the basic block.
16820
16821         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
16822         arguments instead of 1.
16823
16824 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
16825
16826         PR middle-end/18820
16827         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
16828         zero for nested functions needing a static chain or functions
16829         with a non-constant address.
16830
16831 2005-01-13  Roger Sayle  <roger@eyesopen.com>
16832
16833         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
16834         (and (sign_extend X) C) into (zero_extend (and X C)).
16835
16836 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
16837
16838         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
16839
16840 2005-01-13  Richard Henderson  <rth@redhat.com>
16841
16842         PR target/19009
16843         PR target/19250
16844         PR target/19252
16845         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
16846         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
16847         not just TARGET_SSE.
16848         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
16849         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
16850         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
16851         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
16852         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
16853         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
16854         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
16855         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
16856         (movdicc_c_rex64): Rename with '*'.
16857         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
16858         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
16859         (movsfcc_1_387): Rename from movsfcc_1.
16860         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
16861         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
16862         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
16863         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
16864         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
16865         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
16866         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
16867         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
16868         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
16869         sse_movdfcc_const0_4): Remove.
16870         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
16871         recognize min/max early.  Update for changed sse cmove patterns.
16872         (ix86_split_sse_movcc): New.
16873         * config/i386/i386-protos.h: Update.
16874
16875 2005-01-13  Steven Bosscher  <stevenb@suse.de>
16876
16877         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
16878         (fix_stmt_v_may_defs): Likewise.
16879
16880 2005-01-13  Richard Henderson  <rth@redhat.com>
16881
16882         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
16883         for converting the mask.
16884
16885 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
16886
16887         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
16888         definition to 600.
16889
16890 2005-01-13  Richard Henderson  <rth@redhat.com>
16891
16892         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
16893         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
16894         IX86_BUILTIN_MOVDQ2Q): Remove.
16895         (IX86_BUILTIN_VEC_EXT_V4SI): New.
16896         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
16897         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
16898         shuffling.
16899         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
16900         (sse2_pextrw): Fix immediate constraint.
16901         (sse2_loadq, sse2_loadq_rex64): Remove.
16902         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
16903         Use __builtin_ia32_vec_ext_<size>.
16904         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
16905
16906 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
16907
16908         * function.c (assign_parm_setup_block): Look inside original
16909         entry_parm when inspecting PARALLEL.
16910
16911 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
16912             Joel Sherrill  <joel@oarcorp.com>
16913
16914         PR target/19399
16915         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
16916         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
16917         rtems_gxx_recursive_mutex_init.
16918         (__gthread_recursive_mutex_lock): New function.
16919         (__gthread_recursive_mutex_trylock): Likewise.
16920         (__gthread_recursive_mutex_unlock): Likewise.
16921
16922 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
16923
16924         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
16925
16926 2005-01-13  Jan Beulich  <jbeulich@novell.com>
16927
16928         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
16929         (ashrti3_internal): Indicate output is early clobber. Generate result
16930         into output rather than first input. Use move for low word of output
16931         if shift count is exactly 64.
16932         (lshrti3_internal): Likewise.
16933
16934 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
16935
16936         PR target/18329
16937         PR target/18330
16938         * reload1.c (delete_output_reload): Don't delete an output reload
16939         if the pseudo lives longer than a single basic block.  Adjust and
16940         improve wording of comment.
16941
16942 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
16943
16944         PR target/19334
16945         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
16946         of TYPE_SIZE where we mean the number of bytes.
16947
16948 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
16949
16950         * function.c (assign_parm_setup_block): Relax condition on
16951         multi-register optimization.
16952
16953 2005-01-12  Nick Clifton  <nickc@redhat.com>
16954
16955         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
16956         an "in_delay_slot" attribute of "no" to prevent them being used in
16957         delay slots.  This is forbidden because they might generate
16958         exceptions.
16959
16960 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
16961
16962         PR target/19389
16963         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
16964         with r->Y and Y->r.
16965
16966 2005-01-12  Nick Clifton  <nickc@redhat.com>
16967
16968         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
16969         passed on to GAS) but do not define, as GAS no longer supports or
16970         needs the -m2000 option.
16971
16972 2005-01-11  Roger Sayle  <roger@eyesopen.com>
16973
16974         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
16975         type as args of unprototyped builtins aren't automatically promoted.
16976         (fold_builtin_abs): Likewise.
16977
16978 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
16979
16980         * Makefile.in: Set a `build-warn' variable.
16981
16982 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
16983
16984         PR tree-optimization/17949
16985         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
16986         (find_interesting_uses_address): Use it.
16987
16988 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
16989
16990         * regrename.c (kill_value): Handle subreg's that won't simplify.
16991
16992 2005-01-11  Richard Henderson  <rth@redhat.com>
16993
16994         PR target/13366
16995         * config/i386/i386.h (enum ix86_builtins): Move ...
16996         * config/i386/i386.c: ... here.
16997         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
16998         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
16999         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
17000         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
17001         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
17002         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
17003         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
17004         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
17005         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
17006         IX86_BUILTIN_LOADDDUP): Remove.
17007         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
17008         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
17009         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
17010         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
17011         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
17012         (ix86_init_builtins): Make static.
17013         (ix86_init_mmx_sse_builtins): Update for changed builtins.
17014         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
17015         if all the modes match.  Otherwise, fake it.
17016         (get_element_number, ix86_expand_vec_init_builtin,
17017         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
17018         (ix86_expand_builtin): Make static.  Update for changed builtins.
17019         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
17020         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
17021         (ix86_expand_vector_init_duplicate): New.
17022         (ix86_expand_vector_init_low_nonzero): New.
17023         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
17024         Split out from ix86_expand_vector_init; handle integer modes.
17025         (ix86_expand_vector_init): Use them.
17026         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
17027         * config/i386/i386-protos.h: Update.
17028         * config/i386/predicates.md (reg_or_0_operand): New.
17029         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
17030         (movv2sf_internal): Likewise.  And a splitter to match them all.
17031         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
17032         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
17033         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
17034         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
17035         (mmx_pinsrw): Fix operand ordering.
17036         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
17037         rather than sse_loadss expander.
17038         (movv2df splitter): Similarly.
17039         (sse_loadss, sse_loadlss): Remove.
17040         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
17041         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
17042         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
17043         (sse3_movddup): Rename with '*'.
17044         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
17045         (sse2_loadsd): Remove.
17046         (vec_dupv2df_sse3): Rename from sse3_loadddup.
17047         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
17048         (sse2_pinsrw): Fix argument ordering.
17049         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
17050         (sse2_stored): Remove 'r' destination.
17051         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
17052         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
17053         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
17054         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
17055         vec_extractv16qi, vec_initv16qi): New.
17056
17057         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
17058         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
17059         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
17060         constructor form.
17061         (_mm_load_pd, _mm_store_pd): Use plain dereference.
17062         (_mm_load_si128, _mm_store_si128): Likewise.
17063         (_mm_load1_pd): Use _mm_set1_pd.
17064         (_mm_load_sd): Use _mm_set_sd.
17065         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
17066         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
17067         (_mm_set_epi64): Use _mm_set_epi64x.
17068         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
17069         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
17070         _mm_setr_epi8): Use _mm_set_foo form.
17071         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
17072         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
17073         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
17074         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
17075         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
17076         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
17077         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
17078         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
17079         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
17080         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
17081         (_mm_movedup_pd): Use _mm_shuffle_pd.
17082         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
17083         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
17084         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
17085         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
17086         Use _mm_setzero_ps.
17087         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
17088         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
17089         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
17090         (_mm_store_ps): Use raw dereference.
17091         (_mm_store1_ps): Use _mm_storeu_ps.
17092         (_mm_storer_ps): Use _mm_store_ps.
17093         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
17094         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
17095
17096 2005-01-11  Stan Shebs  <shebs@apple.com>
17097
17098         * config/rs6000/rs6000.c (machopic_output_stub): Issue
17099         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
17100
17101 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
17102
17103         PR target/18761
17104         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
17105         Skip all DECLs except for FIELD_DECLs.
17106
17107 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
17108
17109         * config/s390/s390.c (override_options): Return error if
17110         -mbackchain, -mpacked-stack and -mhard-float are used together.
17111         (s390_va_start): Remove the backchain && packed-stack special case.
17112         (s390_gimplify_va_arg): Likewise.
17113         * doc/invoke.texi: Remove the ABI incompatibility note.
17114
17115 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
17116
17117         * config/s390/s390.c (struct s390_frame_layout): Remove
17118         save_backchain_p.
17119         (s390_frame_info, s390_emit_prologue): Replace occurrences of
17120         save_backchain_p with TARGET_BACKCHAIN.
17121
17122 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
17123
17124         PR target/18916
17125         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
17126         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
17127         * function.c (locate_and_pad_parm): Set new field.
17128         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
17129         Tweak where_pad test to include "none".  Always set mem align for
17130         stack_parm.
17131         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
17132         not sufficient for type.
17133         (assign_parm_setup_block): If stack_parm is zero on entry, always
17134         make a new stack local.  Block move old stack parm if necessary
17135         to new aligned stack local.
17136         (assign_parm_setup_stack): Use a block move to handle
17137         potentially misaligned entry_parm.
17138         (assign_parms_unsplit_complex): Specify required alignment when
17139         creating stack local.
17140         * calls.c (compute_argument_addresses): Override alignment of stack
17141         arg calculated from its type with the alignment given by
17142         FUNCTION_ARG_BOUNDARY.
17143         (store_one_arg): Likewise.
17144
17145 2005-01-11  Jan Beulich  <jbeulich@novell.com>
17146
17147         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
17148         Change respective itanium_class attribute to ialu.
17149         (shladdp4_internal): New.
17150         * config/ia64/predicates.md (shladd_log2_operand): New.
17151
17152 2005-01-11  Richard Henderson  <rth@redhat.com>
17153
17154         * expr.c (store_constructor): Use rtvec_alloc instead of
17155         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
17156
17157 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
17158
17159         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
17160
17161 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
17162
17163         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
17164         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
17165         (TARGET_RWRELOC): Define.
17166         (ia64_rwreloc_section_type_flags): Delete.
17167         (ia64_section_type_flags): New function.
17168         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
17169         (TARGET_RWRELOC): Define.
17170
17171 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
17172
17173         PR target/18987
17174         * config/ia64/ia64.c (process_set): For alloc insn, only call
17175         process_epilogue is !frame_pointer_needed.
17176
17177 2005-01-10  Roger Sayle  <roger@eyesopen.com>
17178
17179         PR c++/19355
17180         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
17181         unary operator and can't be treated as a binary/comparison operator.
17182
17183 2005-01-10  Richard Henderson  <rth@redhat.com>
17184
17185         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
17186         (ix86_return_in_memory): Likewise.
17187         (function_arg_advance):  Likewise.  Mirror structure in function_arg
17188         for choosing register to advance.
17189
17190 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
17191
17192         * tree-vectorizer.c, tree.def: Fix comment typos.
17193
17194 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
17195
17196         * config/s390/s390.c (struct processor_costs): 4 new fields:
17197         ddbr, ddr, debr, der.
17198         (s390_rtx_costs): More precise handling of divide instructions.
17199
17200 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
17201
17202         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
17203
17204 2005-01-10  Jan Beulich  <jbeulich@novell.com>
17205
17206         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
17207         names resulting from -ffunction-sections/-fdata-sections and linkonce
17208         ones.
17209         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
17210         based on the section name. Rearrange the section name comparison logic
17211         slightly so that each section name is compared against at most once.
17212
17213 2005-01-10  Ben Elliston  <bje@au.ibm.com>
17214
17215         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
17216         targets for which -fPIC reduces limitations on the GOT size.
17217
17218 2005-01-09  Falk Hueffner  <falk@debian.org>
17219
17220         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
17221         X/C1 cmpop C2.
17222
17223 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
17224
17225         PR target/18720
17226         * collect2.c (main): Set aixrtl_flag for -brtl option.
17227         (resolve_lib_name): Search for .so file extension before .a
17228         if aixrtl_flag set.
17229
17230 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
17231
17232         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
17233         (vect_analyze_data_refs_alignment): Add dump prints.
17234
17235 2005-01-09  Ira Rosen  <irar@il.ibm.com>
17236
17237         * tree-vectorizer.c (vect_analyze_offset_expr): Use
17238         expr_invariant_in_loop_p.
17239         Initialize outputs first thing in the function.
17240         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
17241         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
17242         (vect_analyze_pointer_ref_access): Check that the initial condition of
17243         the access function is loop invariant.
17244
17245 2005-01-09  Richard Henderson  <rth@redhat.com>
17246
17247         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
17248         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
17249         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
17250         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
17251         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
17252         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
17253         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
17254         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
17255         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
17256         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
17257         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
17258         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
17259         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
17260         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
17261         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
17262         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
17263         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
17264         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
17265         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
17266         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
17267         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
17268         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
17269         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
17270         mmx_ prefix.
17271         (mmx_clrdi, pavgusb): Remove.
17272         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
17273         with leading sse_ prefix.
17274         * config/i386/sse.md: Receive them.
17275         * config/i386/mmx.md: New file.
17276         (MMXMODE12, MMXMODE24, mmxvecsize): New.
17277         (subrv2sf3): Turn into expander for normal subtraction.
17278         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
17279         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
17280         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
17281         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
17282         commutative; use ix86_binary_operator_ok.
17283         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
17284         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
17285         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
17286         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
17287         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
17288         Macroize from existing patterns; use ix86_binary_operator_ok.
17289         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
17290         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
17291         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
17292         with vec_select+vec_concat.
17293         (mmx_pshufw, mmx_pshufw_1): Likewise.
17294         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
17295         (mmx_uavgv4hi3): Model correctly.
17296         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
17297         _mm_xor_si64): Remove casts.
17298
17299 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
17300
17301         PR tree-optimization/19224
17302         * tree-scalar-evolution.c (get_instantiated_value,
17303         set_instantiated_value): New functions.
17304         (instantiate_parameters_1): Cache the results.
17305         (instantiate_parameters, resolve_mixers): Initialize and free
17306         the cache.
17307
17308 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
17309
17310         * config/i386/i386.md (addhi_4): Correct reference in comment.
17311         (addqi_4): Same.
17312
17313 2005-01-08  Richard Henderson  <rth@redhat.com>
17314
17315         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
17316         (_mm_cvtsi128_si64x): Likewise.
17317         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
17318         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
17319         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
17320         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
17321         * config/i386/i386-protos.h: Update.
17322         * config/i386/i386.c (print_operand): Add 'H'.
17323         (ix86_fixup_binary_operands): Split out from ...
17324         (ix86_expand_binary_operator): ... here.
17325         (ix86_fixup_binary_operands_no_copy): New.
17326         (ix86_expand_fp_absneg_operator): Handle vector mode results.
17327         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
17328         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
17329         (safe_vector_operand): Use CONST0_RTX.
17330         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
17331         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
17332         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
17333         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
17334         special cases.
17335         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
17336         (IX86_BUILTIN_CMPNGESS): New.
17337         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
17338         (attr type): Add sselog1.
17339         (attr unit, attr memory): Handle it.
17340         (movti, movti_internal, movti_rex64): Move near other integer moves.
17341         (movtf, movtf_internal): Move near other fp moves.
17342         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
17343         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
17344         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
17345         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
17346         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
17347         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
17348         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
17349         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
17350         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
17351         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
17352         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
17353         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
17354         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
17355         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
17356         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
17357         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
17358         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
17359         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
17360         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
17361         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
17362         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
17363         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
17364         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
17365         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
17366         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
17367         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
17368         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
17369         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
17370         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
17371         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
17372         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
17373         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
17374         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
17375         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
17376         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
17377         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
17378         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
17379         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
17380         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
17381         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
17382         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
17383         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
17384         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
17385         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
17386         same time.
17387         (SSEPUSH, push<SSEPUSH>): Remove.
17388         (MMXPUSH, push<MMXPUSH>): Remove.
17389         (sse_movaps, sse_movaps_1, sse_movups): Remove.
17390         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
17391         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
17392         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
17393         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
17394         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
17395         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
17396         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
17397         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
17398         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
17399         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
17400         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
17401         (ppro_sse_log_V4SF): Handle sselog1.
17402         * config/i386/predicates.md (const_0_to_1_operand): New.
17403         (const_0_to_255_mul_8_operand): New.
17404         (const_1_to_31_operand): Rename from const_int_1_31_operand.
17405         (const_2_to_3_operand, const_4_to_7_operand): New.
17406         * config/i386/sse.md: New file.
17407         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
17408         (sse_movups): Rename from sse_movups_1.
17409         (sse_loadlss): Rename from sse_loadss_1.
17410         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
17411         from the name.
17412         (negv4sf2): Use ix86_expand_fp_absneg_operator.
17413         (absv4sf2, negv2df, absv2df): New.
17414         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
17415         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
17416         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
17417         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
17418         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
17419         (sse3_addsubv4sf3): Model correctly.
17420         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
17421         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
17422         (sse_movhlps): Model with vec_select+vec_concat.
17423         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
17424         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
17425         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
17426         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
17427         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
17428         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
17429         sse2_pshufhw_1): Likewise.
17430         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
17431         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
17432         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
17433         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
17434         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
17435         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
17436         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
17437         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
17438         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
17439         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
17440         sminv8hi3): Mark commutative
17441         operands.  Use ix86_binary_operator_ok.
17442         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
17443         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
17444         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
17445         sse2_punpcklqdq): Allow operand2 in memory.
17446         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
17447         sse2_movsd): Add memory alternatives.
17448         (sse_storelps): Turn expander into an insn; split after reload.
17449         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
17450         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
17451
17452 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
17453
17454         * configure.ac (DWARF-2 debug_line): Use objdump.
17455         * configure: Regenerate.
17456
17457 2005-01-08  Jeff Law  <law@redhat.com>
17458             Diego Novillo  <dnovillo@redhat.com>
17459
17460         PR tree-optimization/18241
17461         * tree-nrv.c (tree_nrv): Ignore volatile return values.
17462         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
17463         statements with volatile operands.
17464         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
17465         operands after marking a statement with has_volatile_ops.
17466
17467 2005-01-08  Roger Sayle  <roger@eyesopen.com>
17468
17469         * tree.c (int_fits_type_p): Always honor integer constant
17470         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
17471
17472 2005-01-08  Roger Sayle  <roger@eyesopen.com>
17473
17474         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
17475         the latent bug in rtl_delete_block has been resolved.
17476
17477 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
17478
17479         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
17480         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
17481
17482 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
17483
17484         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
17485         library as @multilib_dir@/$(SHLIB_SONAME).
17486
17487 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
17488
17489         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
17490         * configure: Regenerate.
17491
17492 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
17493
17494         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
17495         TYPE_MODE.
17496
17497 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
17498
17499         PR target/13674
17500         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
17501         Convert non-word aligned offset address using ld/std into
17502         indirect address.
17503
17504 2005-01-07  Richard Henderson  <rth@redhat.com>
17505
17506         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
17507
17508 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
17509
17510         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
17511
17512 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
17513
17514         PR tree-optimization/19283
17515         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
17516         is not shorter than the original type.
17517
17518         PR rtl-optimization/19012
17519         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
17520
17521         PR rtl-optimization/18861
17522         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
17523         (FULL_STATE): Define.
17524         (mark_tablejump_edge): New function.
17525         (purge_dead_tablejump_edges): New function.
17526         (find_bb_boundaries): Use it.
17527
17528         PR tree-optimization/18828
17529         * builtins.c (expand_builtin_next_arg): Remove argument and all
17530         the argument checking.
17531         (expand_builtin): Adjust caller.
17532         (expand_builtin_va_start): Likewise.  Remove error for too many
17533         arguments.
17534         (fold_builtin_next_arg): Issue error for too many arguments.
17535         After checking arguments, replace them with magic arguments that
17536         prevent further checking of the args.
17537
17538 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
17539
17540         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
17541
17542 2005-01-06  Roger Sayle  <roger@eyesopen.com>
17543
17544         PR target/6077
17545         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
17546         and %{.S:...} (and their negative variants) to test whether the
17547         input file is assembler or pre-processed-assembler independent of
17548         the actual filename extension.
17549
17550 2005-01-06  Roger Sayle  <roger@eyesopen.com>
17551
17552         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
17553         of sign or zero extended values.
17554
17555 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
17556
17557         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
17558         for IBM long double format correctly.
17559
17560 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
17561
17562         Fix PR tree-optimization/18792
17563
17564         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
17565         to first_loop_depth, and use loop depth instead of loop number.
17566         (build_classic_dir_vector): Ditto.
17567         (compute_data_dependences_for_loop): Use depth, not loop number.
17568         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
17569         number. Pass in loops, instead of loop numbers.
17570         (gather_interchange_stats): Ditto.
17571         (linear_transform_loops): Ditto.
17572
17573 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
17574
17575         PR rtl-opt/13299
17576         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
17577         biv_fits_mode_p, extension_within_bounds_p): New functions.
17578         (check_ext_dependent_givs): Use them.
17579
17580 2005-01-06  Roger Sayle  <roger@eyesopen.com>
17581
17582         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
17583         more than one barrier, in which case we should delete them all.
17584
17585 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
17586
17587         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
17588
17589 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
17590
17591         Fix PR middle-end/19286
17592         Fix PR debug/19267
17593         * dwarf2out.c (gen_subprogram_die): If we've already tried to
17594         output this subprogram, simply ignore this attempt to do it again.
17595         (add_abstract_origin_attribute): Don't abort trying to add the abstract
17596         origin attribute if it's not possible.
17597         (gen_block_die): Don't ignore subblocks of "unused" blocks.
17598         (decls_for_scope): Ditto.
17599         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
17600         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
17601
17602 2005-01-05  Richard Henderson  <rth@redhat.com>
17603
17604         PR target/11327
17605         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
17606         (bdesc_2arg): Use it.
17607         (ix86_expand_binop_builtin): Force operands into registers
17608         when optimizing.
17609         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
17610         ix86_expand_sse_compare, ix86_expand_sse_comi,
17611         ix86_expand_builtin): Likewise.
17612
17613 2005-01-05  Richard Henderson  <rth@redhat.com>
17614
17615         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
17616         and VEC_SELECT.
17617         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
17618         (mulv4hi3): Set itanium_class mmmul.
17619         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
17620         (fpack): Rename from fpack_sfsf.
17621
17622 2005-01-05  Richard Henderson  <rth@redhat.com>
17623
17624         PR rtl-opt/10692
17625         * reload1.c (do_input_reload): Restrict the optimization deleteing
17626         a previous output reload to RELOAD_FOR_INPUT.
17627
17628 2005-01-05  Steven Bosscher  <stevenb@suse.de>
17629
17630         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
17631         comment that we fall through after case.
17632         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
17633         (distribute_links): Likewise.
17634         * cse.c (cse_insn): Likewise.
17635         * cselib.c (cselib_invalidate_mem): Likewise.
17636         * df.c: Update comments at the top of the file.
17637         (read_modify_subreg_p): Update comments here too.
17638         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
17639         * flow.c (mark_set_1): Likewise.
17640         (mark_used_regs): Likewise.
17641         * gcse.c (mems_conflict_for_gcse_p): Likewise.
17642         (canon_list_insert): Likewise.
17643         (mark_set): Likewise.
17644         (try_replace_reg): Likewise.
17645         (store_killed_in_insn): Likewise.
17646         * loop.c (count_one_set): Likewise.
17647         (basic_induction_var): Likewise.
17648         * postreload-gcse.c (find_mem_conflicts): Likewise.
17649         * postreload.c (reload_combine_note_store): Likewise.
17650         (move2add_note_store): Likewise.
17651         * reload.c (find_equiv_reg): Likewise.
17652         (mark_referenced_resources): Likewise.
17653         * rtlanal.c (set_noop_p): Likewise.
17654         (note_stores): Likewise.
17655         (note_uses): Likewise.
17656         * sched-deps.c (sched_analyze_1): Likewise.
17657         * sched-rgn.c (check_live_1): Likewise.
17658         (update_live_1): Likewise.
17659         * config/i860/i860.c: Likewise.
17660
17661         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
17662         an lvalue.
17663         (ZERO_EXTRACT): Mention that this one can be an lvalue.
17664
17665         * doc/rtl.texi: Update documentation for bit-fields and SET.
17666
17667 2005-01-05  Roger Sayle  <roger@eyesopen.com>
17668
17669         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
17670
17671 2005-01-05  Jan Hubicka  <jh@suse.cz>
17672             Richard Henderson  <rth@redhat.com>
17673
17674         PR target/18910
17675         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
17676         with an offset.
17677
17678 2005-01-05  Richard Henderson  <rth@redhat.com>
17679
17680         PR target/12902
17681         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
17682         (sse_shufps): Change operand 3 to const_int_operand.
17683         (sse2_storelps): Fix typo in template.
17684         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
17685         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
17686         (ix86_expand_builtin): Likewise.
17687
17688 2005-01-05  Julian Brown  <julian@codesourcery.com>
17689
17690         * config/arm/arm.c (arm_return_in_memory): Treat complex types
17691         as aggregates for AAPCS ABIs.
17692
17693 2005-01-05  Stan Shebs  <shebs@apple.com>
17694
17695         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
17696         Mach-O getters if ppc64.
17697         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
17698         size argument.
17699         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
17700         signed four-byte field for global code case.
17701         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
17702
17703 2005-01-05  Roger Sayle  <roger@eyesopen.com>
17704
17705         PR middle-end/19100
17706         * c-common.c: Include real.h.
17707         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
17708         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
17709         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
17710         * Makefile.in (c-common.o): Update dependencies.
17711
17712 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
17713
17714         * c-parse.in (asm_string): Add trailing semicolon.
17715
17716 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
17717
17718         * c-parse.in (asm_string): New.  Don't allow wide strings in
17719         'asm'.
17720         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
17721         asm_string instead of STRING.
17722
17723 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
17724
17725         * c-typeck.c (constructor_no_implicit): Remove.
17726         (set_designator, process_init_element): Don't check
17727         constructor_no_implicit.
17728
17729 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
17730             Kaz Kojima  <kkojima@gcc.gnu.org>
17731
17732         PR target/16482
17733         * lcm.c (create_pre_exit): New.
17734         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
17735         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
17736
17737 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
17738
17739         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
17740         -msoft-float in target_float_switch.
17741         * arm.c (arm_override_options): Fix processing of target_float_switch.
17742
17743 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
17744
17745         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
17746         preferencing.
17747
17748 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
17749
17750         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
17751         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
17752
17753 2005-01-04  Roger Sayle  <roger@eyesopen.com>
17754
17755         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
17756         if deleting the then-block allows the test-block to fallthru to the
17757         else-block.
17758
17759 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
17760
17761         PR c/19152
17762         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
17763         after the full declaration if the are in two different TUs.
17764
17765 2005-01-04  Richard Henderson  <rth@redhat.com>
17766
17767         PR tree-opt/19158
17768         * tree-sra.c (generate_one_element_init): Just
17769         call gimplify_and_add.
17770         (generate_element_init): Record the
17771         new referenced variables and mark them for renaming
17772         and split out to ...
17773         (generate_element_init_1): This.
17774         (scalarize_init): Don't call push_gimplify_context/
17775         pop_gimplify_context.
17776
17777 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
17778
17779         * toplev.c (get_src_pwd): Handle failure of getpwd().
17780
17781 2005-01-04  Roger Sayle  <roger@eyesopen.com>
17782
17783         * fold-const.c (fold_single_bit_test): Delete unreachable handling
17784         of TRUTH_NOT_EXPR.
17785         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
17786         all the cases handled by it are inverted by invert_truthvalue.
17787
17788 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
17789
17790         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
17791         (save_register_windowsi): Likewise.
17792
17793 2005-01-04  Richard Henderson  <rth@redhat.com>
17794
17795         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
17796
17797 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
17798
17799         PR middle-end/17767
17800         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
17801         any simplifications of vector mode comparison operators.
17802         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
17803
17804 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
17805             Devang Patel  <dpatel@apple.com>
17806
17807         PR tree-optimization/18308
17808         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
17809         the operands before creating a new expression.
17810         * dojump.c (do_jump): Make drop_through_label available
17811         for all cases.  Add expansion of COND_EXPR.
17812
17813 2005-01-04  Ira Rosen  <irar@il.ibm.com>
17814
17815         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
17816         INTEGER_CST instead of TREE_CONSTANT.
17817         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
17818         instead of TREE_CONSTANT.
17819         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
17820         instead of TREE_CONSTANT.
17821
17822 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
17823
17824         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
17825
17826 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
17827
17828         PR target/19240
17829         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
17830         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
17831
17832 2005-01-03  Richard Henderson  <rth@redhat.com>
17833
17834         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
17835         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
17836         fold_convert_const_real_from_real): Split out from ...
17837         (fold_convert_const): ... here.
17838
17839 2005-01-03  Richard Henderson  <rth@redhat.com>
17840
17841         PR target/19235
17842         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
17843         (mov<MMXMODEI>_internal): Likewise.
17844         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
17845         Add V2SF case; use it for SSE1; don't use TI.
17846         (movdf_integer): Likewise.
17847         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
17848
17849 2005-01-03  Ira Rosen  <irar@il.ibm.com>
17850
17851         * tree-vectorizer.c (vect_strip_conversions): New function.
17852         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
17853         check for binary class.
17854
17855 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
17856
17857         Fix PR debug/17924
17858         Fix PR debug/19191
17859         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
17860         is a decl.
17861         * gimple-low.c (mark_blocks_with_used_vars): New function.
17862         (mark_blocks_with_used_subblocks): Ditto.
17863         (mark_used_blocks): Ditto.
17864         (pass_mark_used_blocks): New pass.
17865         * tree-inline.c: Include debug.h.
17866         (expand_call_inline): Call outlining_inline_function here.
17867         * tree-optimize.c (init_tree_optimization_passes): Add
17868         pass_mark_used_blocks.
17869         * tree-pass.h (pass_mark_used_blocks): New.
17870         * Makefile.in (tree-inline.o): Add debug.h dependency.
17871
17872 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
17873
17874         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
17875         VAR_DECLs to have weak_import attribute.
17876
17877         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
17878         'struct ucontext'.
17879
17880 2004-01-03  Steven Bosscher  <stevenb@suse.de>
17881
17882         * passes.c (rest_of_compilation): Don't run regmove if only
17883         flag_expensive_optimizations, require flag_regmove instead.
17884
17885 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
17886
17887         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
17888         register "sparc".
17889         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
17890         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
17891         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
17892         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
17893
17894 2005-01-03  Richard Henderson  <rth@redhat.com>
17895
17896         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
17897         (ia64_const_ok_for_letter_p): New.
17898         (ia64_const_double_ok_for_letter_p): New.
17899         (ia64_extra_constraint): New.
17900         (ia64_expand_vecint_compare): New.
17901         (ia64_expand_vcondu_v2si): New.
17902         (ia64_expand_vecint_cmov): New.
17903         (ia64_expand_vecint_minmax): New.
17904         (ia64_print_operand): Add 'v'.
17905         (ia64_preferred_reload_class): New.
17906         (ia64_vector_mode_supported_p): New.
17907         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
17908         (PREFERRED_RELOAD_CLASS): Move to function.
17909         (CONST_OK_FOR_LETTER_P): Move to function.
17910         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
17911         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
17912         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
17913         (EXTRA_CONSTRAINT): Move to function.
17914         * config/ia64/ia64.md: Include vect.md.
17915         (itanium_class): Add mmalua.
17916         (type): Handle it.
17917         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
17918         (1b_mmalua): New.
17919         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
17920         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
17921         CONST0_RTX.
17922         (const_int_2bit_operand): New.
17923         (fr_reg_or_0_operand): New.
17924         * config/ia64/ia64-modes.def: Add vector modes.
17925         * config/ia64/ia64-protos.h: Update.
17926         * config/ia64/vect.md: New file.
17927
17928 2005-01-03  Richard Henderson  <rth@redhat.com>
17929
17930         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
17931
17932 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
17933
17934         PR target/19236
17935         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
17936         to SFmode.
17937         (log1pdf2): Change mode of operands[0,1] to DFmode.
17938
17939 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
17940
17941         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
17942         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
17943         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
17944         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
17945         SPARC_RELAXED_ORDERING.
17946
17947 2005-01-03  Richard Henderson  <rth@redhat.com>
17948             Uros Bizjak  <uros@kss-loka.si>
17949
17950         PR target/14631
17951         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
17952         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
17953         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
17954         handling.
17955         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
17956         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
17957         const_pow2_1_to_128_operand): New predicates.
17958
17959 2005-01-02  Greg McGary  <greg@mcgary.org>
17960
17961         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
17962         anonymous decls.
17963         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
17964         object.  [ptr_type]: Remove unused variable.
17965         Remember nearest addressable array-element or record-component
17966         when checking bitfield components.  Tolerate empty BIND_EXPR.
17967
17968 2005-01-01  Richard Henderson  <rth@redhat.com>
17969
17970         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
17971         that don't narrow the value.  Fail for other conversions.
17972
17973 2005-01-01  Richard Henderson  <rth@redhat.com>
17974
17975         PR c/19031
17976         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
17977         * c-lang.c (finish_file): Don't do it here.
17978         * objc/objc-act.c (objc_finish_file): Likewise.
17979
17980         * cgraph.c (decl_assembler_name_equal): New.
17981         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
17982         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
17983         * cgraph.h (struct cgraph_varpool_node): Add next.
17984         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
17985         * varasm.c (assemble_alias): Mark the target as needed.
17986
17987 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
17988
17989         PR middle-end/19221
17990         * function.c (get_arg_pointer_save_area): Use entry_of_function
17991         instead of get_insns.
17992
17993 2005-01-01  Roger Sayle  <roger@eyesopen.com>
17994             Andrew Pinski  <pinskia@physics.uc.edu>
17995             James E. Wilson  <wilson@specifixinc.com>
17996
17997         PR rtl-optimization/12092
17998         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
17999         is zero.
18000
18001 2005-01-01  Roger Sayle  <roger@eyesopen.com>
18002             Olivier Hainque  <hainque@act-europe.fr>
18003
18004         * tree.c (int_fits_type_p): A narrower type always fits in a
18005         wider one, except for negative values into unsigned types.
18006
18007 2005-01-01  Roger Sayle  <roger@eyesopen.com>
18008
18009         * tree.c (int_fits_type_p): Compare the result of force_fit_type
18010         with the original constant rather than require TREE_OVERFLOW.
18011
18012 2005-01-01  Steven Bosscher  <stevenb@suse.de>
18013
18014         PR middle-end/17544
18015         * c-decl.c (finish_function): If compiling C99, annotate the
18016         compiler generated return with the current file name and line 0.
18017         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
18018         the source line is greater than 0.
18019         (remove_bb): Likewise.