OSDN Git Service

81a31064f8445e87c87ade336ddcc482984be8c9
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-06-28  Paul Brook  <paul@codesourcery.com>
2
3         * Makefile.in: Set and use UNWIND_H.  Install as unwind.h.
4         * c-decl.c (finish_decl): Call default_init_unwind_resume_libfunc.
5         * except.c (add_ehspec_entry): Generate arm eabi filter lists.
6         (assign_filter_values): Ditto.
7         (output_ttype): New function.
8         (output_function_exception_table): Use output_ttype.  Generate arm
9         eabi filter lists.
10         (default_init_unwind_resume_libfunc): New function.
11         * except.h (default_init_unwind_resume_libfunc): Add prototype.
12         * optabs.c (init_optabs): Don't set unwind_resume_libfunc.
13         * opts.c (decode_options): Use targetm.unwind_tables_default.
14         * target-def.h (TARGET_ASM_TTYPE): Provide and use definition.
15         (TARGET_ARM_EABI_UNWINDER, TARGET_UNWIND_TABLES_DEFAULT): Ditto.
16         * target.h (struct gcc_target): Add asm.ttype, unwind_tables_default
17         and arm_eabi_unwinder.
18         * unwind-c.c: Support Arm EABI unwinder.
19         * unwind.h: Rename ...
20         * unwind-generic.h: ... To this.
21         * doc/tm.texi (TARGET_ASM_TTYPE, TARGET_ARM_EABI_UNWINDER): Document.
22         (TARGET_UNWID_TABLES_DEFAULT): Document.
23
24         * config/arm/arm-protos.h (arm_output_fn_unwind): Add prototype.
25         * config/arm/arm.c (arm_unwind_emit, arm_output_ttype): New functions.
26         (TARGET_UNWIND_EMIT, TARGET_ASM_TTYPE, TARGET_ARM_EABI_UNWINDER):
27         Define.
28         (thumb_pushpop, thumb_output_function_prologue): Output unwinding
29         directives.
30         (arm_unwind_emit_stm, arm_unwind_emit_set): New functions.
31         * config/arm/arm.h (MUST_USE_SJLJ_EXCEPTIONS): Only define when
32         !TARGET_UNWIND_INFO.
33         (ARM_OUTPUT_FN_UNWIND, ARM_EABI_UNWIND_TABLES): Define.
34         * config/arm/bpabi.h (TARGET_UNWIND_INFO): Define.
35         * config/arm/elf.h (ASM_DECLARE_FUNCTION_NAME,
36         ASM_DECLARE_FUNCTION_SIZE): Use ARM_OUTPUT_FN_UNWIND.
37         * config/arm/lib1funcs.asm: Include libunwind.S.
38         * config/arm/libgcc-bpabi.ver: Add unwinding routines.
39         * config/arm/libunwind.S: New file.
40         * config/arm/pr-support.c: New file.
41         * config/arm/t-bpabi (LIB1ASMFUNCS): Add _unwind.
42         (UNWIND_H, LIB2ADDEH, LIB2ADDEHDEP): Set.
43         * config/arm/t-symbian (UNWIND_H, LIB2ADDEH, LIB2ADDEHDEP): Set.
44         * config/arm/unwind-arm.c: New file.
45         * config/arm/unwind-arm.h: New file.
46         * config/i386/t-netware (USER_H): Remove unwind.h.
47         * config/ia64/ia64.h (TARGET_UNWIND_TABLES_DEFAULT): Define.
48
49 2005-06-28  DJ Delorie  <dj@redhat.com>
50
51         * c-decl.c (pop_scope): Move warning control into warning call.
52         (diagnose_mismatched_decls): Likewise.
53         (pushdecl): Likewise.
54         (start_decl): Likewise.
55         (grokparms): Likewise.
56         (start_function): Likewise.
57         (store_parm_decls_newstyle): Likewise.
58         (store_parm_decls_oldstyle): Likewise.
59         (finish_function): Likewise.
60         (declspecs_add_scspec): Likewise.
61         * c-format.c (decode_format_attr): Likewise.
62         (maybe_read_dollar_number): Likewise.
63         (avoid_dollar_number): Likewise.
64         (finish_dollar_format_checking): Likewise.
65         (check_format_info): Likewise.
66         (check_format_info_main): Likewise.
67         (check_format_types): Likewise.
68         (format_type_warning): Likewise.
69         * c-typeck.c (function_types_compatible_p): Likewise.
70         (build_array_ref): Likewise.
71         (convert_arguments): Likewise.
72         (build_c_cast): Likewise.
73         (store_init_value): Likewise.
74         (process_init_element): Likewise.
75         (c_start_case): Likewise.
76         * stor-layout.c (finalize_record_size): Likewise.
77         * tree-cfg.c (execute_warn_function_noreturn): Likewise.
78         * tree-inline.c (expand_call_inline): Likewise.
79
80 2005-06-28  Uros Bizjak  <uros@kss-loka.si>
81
82         PR target/22134
83         * config/i386/i386.md (fist<mode>2_with_temp splitter):
84         Clobber memory operand, not scratch register.
85
86 2005-06-28  Andreas Krebbel  <krebbel1@de.ibm.com>
87
88         * config/s390/s390.c (machine_function): New field has_landing_pad_p.
89         (s390_set_has_landing_pad_p, s390_reg_clobbered_rtx,
90          s390_regs_ever_clobbered): New functions.
91         (s390_return_addr_rtx): Use get_hard_reg_initial_value.
92         (s390_register_info, s390_init_frame_layout, s390_update_frame_layout):
93         Use s390_regs_ever_clobbered.
94         (s390_emit_prologue): Don't use r14 as temp reg if its content is used
95         for builtin_return_address.
96         * config/s390/s390.md ("exception_receiver"): New expander.
97         * config/s390/s390-protos.h (s390_set_has_landing_pad_p): Prototype
98         added.
99
100 2005-06-28  Andreas Krebbel  <krebbel1@de.ibm.com>
101
102         * except.c (current_function_has_exception_handlers): Function 
103         description added and if statements merged.
104
105 2005-06-28  Richard Henderson  <rth@redhat.com>
106
107         * config/i386/sse.md (smaxv16qi3): Fix buffer overflow.
108         (sminv16qi3, umaxv8hi3, uminv8hi3): Likewise.
109
110 2005-06-27  Richard Henderson  <rth@redhat.com>
111
112         * config/ia64/ia64.c (ia64_expand_vcondu_v2si): Generate proper
113         comparison operations.
114         (ia64_expand_vecint_minmax): Fix size of xops.
115         * config/ia64/vect.md (umax<VECINT>3): Fix fallback pattern typo.
116         (vec_shl_<VECINT>, vec_shr_<VECINT>): New.
117
118 2005-06-27  Richard Henderson  <rth@redhat.com>
119
120         * tree-vect-transform.c (get_initial_def_for_reduction): Use correct
121         type for DEF and INIT_VAL.  Pretend MIN/MAX need epilogue adjustment.
122
123 2005-06-27  Richard Henderson  <rth@redhat.com>
124
125         * config/i386/sse.md (vec_shl_<SSEMODEI>, vec_shr_<SSEMODEI>): New.
126         (smaxv16qi3, umaxv8hi3, sminv16qi3, uminv8hi3): New.
127
128 2005-06-27  Richard Henderson  <rth@redhat.com>
129
130         * tree-vect-transform.c (vect_create_epilog_for_reduction): Remove
131         duplicate little-endian adjustment.
132
133 2005-06-28  Kelley Cook  <kcook@gcc.gnu.org>
134
135         * doc/include/texinfo.tex: Import from upstream CVS.
136
137 2005-06-28  Jan Hubicka  <jh@suse.cz>
138
139         * cgraph.c (cgraph_remove_node): Do not release function bodies until
140         full cgraph is built.
141         * cgraph.h (cgraph_decide_inlining_incrementally): Add early argument.
142         * cgraphunit.c (cgraph_finalize_function): Update call of
143         cgraph_decide_inlining_incrementally.
144         (initialize_inline_failed): Break out of ...
145         (cgraph_analyze_function): ... here.
146         (rebuild_cgraph_edges): New function.
147         (pass_rebuild_cgraph_edges): New pass.
148         * common.opt (fearly-inlining): New flag.
149         * ipa-inline.c: Include ggc.h
150         (cgraph_clone_inlined_nodes): Avoid re-using of original copy
151         when cgraph is not fully built.
152         (cgraph_decide_inlining_incrementally): Add early mode.
153         (cgraph_early_inlining): New function.
154         (cgraph_gate_early_inlining): Likewise.
155         (pass_early_ipa_inline): New pass.
156         * ipa.c (cgraph_postorder): NULLify aux pointer.
157         * tree-inline.c (expand_call_inline): Avoid warning early.
158         * tree-optimize.c (pass_early_local_passes): New.
159         (execute_cleanup_cfg_pre_ipa): New.
160         (pass_cleanup_cfg): New.
161         (register_dump_files): Fix handling subpasses of IPA pass.
162         (init_tree_optimization_passes): Add early passes.
163         (execute_ipa_pass_list): Fix handling of subpasses of IPA pass.
164         * passes.h (pass_early_tree_profile, pass_rebuild_cgraph_edges,
165         pass_early_ipa_inline): New passes.
166         * tree-profile.c (do_early_tree_profiling, pass_early_tree_profile): New.
167
168         * invoke.texi: Document early-inlining.
169
170 2005-06-28  Kelley Cook  <kcook@gcc.gnu.org>
171
172         * doc/include/fdl.texi: Merge in changes from upstream.
173         * doc/include/gpl.texi: Likewise.
174
175 2005-06-27  Diego Novillo  <dnovillo@redhat.com>
176
177         PR 21959
178         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Handle type
179         casts between unsigned and signed types with different size
180         or precision.
181
182 2005-06-28  Jan Hubicka  <jh@suse.cz>
183
184         * tree-optimize.c (exercute_free_datastructures):
185         Do not disband implicit edges; do not attempt to build insn list;
186         do not free cfg annotations.
187         (execute_free_cfg_annotations); Disband implicit edges here;
188         free cfg annotations here too.
189         (pass_free_cfg_annotations); New pass.
190         (init_tree_optimization_passes); Add pass_free_cfg_annotations.
191         * tree-ssa-operands.c (free_ssa_operands); Recover; export.
192         * tree-ssa-operands.h (free_ssa_operands); declare.
193         * tree-ssa.c (delete_tree_ssa); Free SSA operand; mark stmt modified;
194         kill PHI nodes.
195         * tree-ssanames.c (release_defs): Kill addresses_taken.
196
197         * basic-block.h (basic_block_def): Kill rbi.
198         (reorder_block_def): Kill; Remove next field (replaced by aux);
199         move other fields to ...
200         (rtl_bb_info): ... here.
201         * bb-reorder.c (find_traces, rotate_loop, find_traces_1_round,
202         copy_bb, connect_traces, add_labels_and_missing_jumps
203         fix_up_fall_thru_edges, fix_crossing_conditional_branches,
204         duplicate_computed_gotos, partition_hot_cold_basic-blocks):
205         Update to new fields.
206         * cfg.c (initialize_bb_rbi): Kill.
207         * cfglayout.c (record_effective_endpoints, fixup_reorder_chain,
208         fixup_fallthru_exit_predecessor, cfg_layout_duplicate_bb): Update.
209         * cfgrtl.c (cfg_layout_create_basic_block): Do not initialize rbi.
210         (try_redirect_by_replacing_jump): Update rbi references.
211         (cfg_layout_split_block): Likewise.
212         (cfg_layout_delete_block): Likewise.
213         (cfg_layout_merge_blocks): Likewise.
214         * function.c (thread_prologue_and_epilogue_insns): Likewise.
215         * passes.c (rest_of_handle_sms): Likewise.
216         * tracer.c (seen, tail_duplicate, layout_superblocks): Likewise.
217
218 2005-06-27  David Edelsohn  <edelsohn@gnu.org>
219
220         * config/rs6000/rs6000.c (rs6000_file_start): Note PPC405 erratum
221         in verbose_asm output.
222         * config/rs6000/rs6000.h (PPC405_ERRATUM77): Bracket with
223         CONFIG_PPC405CR.
224         * config.gcc (powerpc with_which): Define CONFIG_PPC405CR for
225         405cr.
226
227 2005-06-27  Jakub Jelinek  <jakub@redhat.com>
228
229         * builtin-attrs.def (DEF_ATTR_FOR_INT): Add for 5 and 6.
230         (DEF_LIST_INT_INT): Add for 4,0, 4,5, 5,0, 5,6.
231         (ATTR_NOTHROW_NONNULL_4, ATTR_NOTHROW_NONNULL_5): Define.
232         (ATTR_FORMAT_PRINTF_4_0, ATTR_FORMAT_PRINTF_4_5,
233         ATTR_FORMAT_PRINTF_5_0, ATTR_FORMAT_PRINTF_5_6): Define.
234         * builtins.c: Include tree-flow.h.
235         (expand_builtin_mempcpy, expand_builtin_memmove): Comment fixes.
236         (expand_builtin_object_size, expand_builtin_memory_chk,
237         maybe_emit_chk_warning, maybe_emit_sprintf_chk_warning,
238         compute_object_offset, compute_builtin_object_size,
239         fold_builtin_object_size): New functions.
240         (expand_builtin): Handle BUILT_IN_OBJECT_SIZE and BUILT_IN_*_CHK.
241         (fold_builtin_1): Likewise.  Handle BUILT_IN_{,V}{,F}PRINTF
242         and BUILT_IN_{,F}PRINTF_UNLOCKED.
243         (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
244         fold_builtin_strncpy_chk, fold_builtin_strcat_chk,
245         fold_builtin_strncat_chk, fold_builtin_sprintf_chk,
246         fold_builtin_snprintf_chk, fold_builtin_printf, fold_builtin_fprintf):
247         New functions.
248         * builtins.def (BUILT_IN_OBJECT_SIZE, BUILT_IN_MEMCPY_CHK,
249         BUILT_IN_MEMMOVE_CHK, BUILT_IN_MEMPCPY_CHK, BUILT_IN_MEMSET_CHK,
250         BUILT_IN_STPCPY_CHK, BUILT_IN_STRCAT_CHK, BUILT_IN_STRCPY_CHK,
251         BUILT_IN_STRNCAT_CHK, BUILT_IN_STRNCPY_CHK, BUILT_IN_SNPRINTF_CHK,
252         BUILT_IN_SPRINTF_CHK, BUILT_IN_VSNPRINTF_CHK, BUILT_IN_VSPRINTF_CHK,
253         BUILT_IN_FPRINTF_CHK, BUILT_IN_PRINTF_CHK, BUILT_IN_VFPRINTF_CHK,
254         BUILT_IN_VPRINTF_CHK): New builtins.
255         * builtin-types.def (DEF_FUNCTION_TYPE_5, DEF_FUNCTION_TYPE_VAR_4):
256         Document.
257         (BT_FN_SIZE_CONST_PTR_INT, BT_FN_INT_INT_CONST_STRING_VALIST_ARG,
258         BT_FN_PTR_PTR_CONST_PTR_SIZE_SIZE, BT_FN_PTR_PTR_INT_SIZE_SIZE,
259         BT_FN_STRING_STRING_CONST_STRING_SIZE_SIZE,
260         BT_FN_INT_FILEPTR_INT_CONST_STRING_VALIST_ARG,
261         BT_FN_INT_STRING_INT_SIZE_CONST_STRING_VALIST_ARG,
262         BT_FN_INT_STRING_SIZE_INT_SIZE_CONST_STRING_VALIST_ARG,
263         BT_FN_INT_INT_CONST_STRING_VAR, BT_FN_INT_FILEPTR_INT_CONST_STRING_VAR,
264         BT_FN_INT_STRING_INT_SIZE_CONST_STRING_VAR,
265         BT_FN_INT_STRING_SIZE_INT_SIZE_CONST_STRING_VAR): New types.
266         * c-common.c (DEF_FUNCTION_TYPE_5, DEF_FUNCTION_TYPE_6,
267         DEF_FUNCTION_TYPE_VAR_4, DEF_FUNCTION_TYPE_VAR_5): Define.
268         * Makefile.in (OBJS-common): Add tree-object-size.o.
269         (tree-object-size.o): Add dependencies.
270         * tree-pass.h (pass_object_sizes): Add.
271         * tree-optimize.c (init_tree_optimization_passes): Add
272         pass_object_sizes.
273         * tree-object-size.c: New file.
274         * tree.h (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
275         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk,
276         compute_builtin_object_size, init_object_sizes, fini_object_sizes):
277         New prototypes.
278         * tree-ssa-ccp.c (get_strlen): Rename to ...
279         (get_maxval_strlen): ...this function.  Handle also computing of maximum
280         string length and maximum integral value.
281         (ccp_fold_builtin): Handle BUILT_IN_*_CHK.  Use get_maxval_strlen
282         instead of get_strlen.  Pass CALLEE and ARGLIST variables to the
283         folding functions instead of computing them again.
284         (execute_fold_all_builtins): Retry ccp_fold_builtin if a builtin changed
285         into some other builtin.
286         * doc/extend.texi (Object Size Checking): Document.
287
288         * regrename.c (copy_value): Fix comment.
289
290         * toplev.c (process_options): Use if (FRAME_GROWS_DOWNWARD)
291         instead of preprocessor conditionals.
292
293         * targhooks.c (default_hidden_stack_protect_fail): Fall back to
294         default_external_stack_protect_fail if visibility is not supported
295         or not flag_pic.
296         * config/i386/i386.c (ix86_stack_protect_fail): New function.
297         (TARGET_STACK_PROTECT_FAIL): Define.
298         * config/i386/i386.md (stack_protect_si): Change CLOBBER into
299         SET to zero.
300         (stack_protect_di): Likewise.  Use %k2 instead of %2 to avoid
301         invalid instruction xorl %rax, %rax.
302
303 2005-06-27  Richard Henderson  <rth@redhat.com>
304
305         * c-cppbuiltin.c (c_cpp_builtins): Add __SSP_ALL__ and __SSP__.
306         * cfgexpand.c: Include params.h.
307         (has_protected_decls, has_short_buffer): New.
308         (expand_stack_vars): Take a predicate to determine what to expand.
309         (defer_stack_allocation): True when flag_stack_protect on.
310         (SPCT_HAS_LARGE_CHAR_ARRAY, SPCT_HAS_SMALL_CHAR_ARRAY): New.
311         (SPCT_HAS_ARRAY, SPCT_HAS_AGGREGATE): New.
312         (stack_protect_classify_type, stack_protect_decl_phase): New.
313         (stack_protect_decl_phase_1, stack_protect_decl_phase_2): New.
314         (add_stack_protection_conflicts, create_stack_guard): New.
315         (expand_used_vars): Add stack protection logic.
316         (tree_expand_cfg): Likewise.
317         * common.opt (Wstack-protector): New.
318         (fstack-protector, fstack-protector-all): New.
319         * function.c: Include predict.h.
320         (assign_parm_adjust_stack_rtl): Zap stack_parm when stack protect
321         wants to copy the parameter into the stack frame.
322         (stack_protect_prologue, stack_protect_epilogue): New.
323         (expand_function_end): Call stack_protect_epilogue.  Do 
324         sjlj_emit_function_exit_after after naked_return_label.
325         * function.h (struct function): Add stack_protect_guard.
326         * params.def (PARAM_SSP_BUFFER_SIZE): New.
327         * toplev.c (process_options): Disable flag_stack_protect and/or
328         warn_stack_protect based on FRAME_GROWS_DOWNWARD.
329         * tree.h (stack_protect_prologue): Declare.
330
331         * target-def.h (TARGET_STACK_PROTECT_GUARD): New.
332         (TARGET_STACK_PROTECT_FAIL): New.
333         (TARGET_INITIALIZER): Add them.
334         * target.h (struct gcc_target): Add stack_protect_guard and
335         stack_protect_fail.
336         * targhooks.c: Include ggc.h, gty header.
337         (stack_chk_guard_decl, default_stack_protect_guard): New.
338         (stack_chk_fail_decl, default_external_stack_protect_fail): New.
339         (default_hidden_stack_protect_fail): New.
340         * targhooks.h (default_stack_protect_guard): Declare.
341         (default_external_stack_protect_fail): Declare.
342         (default_hidden_stack_protect_fail): Declare.
343         * config/i386/i386.c (TARGET_STACK_PROTECT_FAIL): New.
344         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New.
345         (trap): Use ud2.
346         (conditional_trap, conditional_trap_1): Remove.
347         (stack_protect_set, stack_protect_set_si, stack_protect_set_di): New.
348         (stack_protect_test, stack_protect_test_si, stack_protect_test_di): New.
349         * doc/md.texi (stack_protect_set, stack_protect_test): New.
350         * doc/tm.texi (TARGET_STACK_PROTECT_GUARD): New.
351         (TARGET_STACK_PROTECT_FAIL): New.
352
353         * libgcc-std.ver (GCC_4.1.0): New.
354         * libgcc.h (__stack_chk_guard): Declare.
355         (__stack_chk_fail, __stack_chk_fail_local): Declare.
356         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
357         * mklibgcc.in (lib2funcs): Add them.
358
359 2005-06-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
360
361         PR c/21911
362         * c-common.c (check_function_sentinel): Pass in named argument
363         list, skip over named arguments before looking for a sentinel.
364         (check_function_arguments): Pass in named argument list.
365         * c-common.h (check_function_arguments): Likewise.
366         * c-typeck.c (build_function_call): Likewise.
367
368 2005-06-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
369
370         * genautomata.c (decl_mode_check_failed,
371         regexp_mode_check_failed): Add noreturn attribute.
372
373 2005-06-26  Kazu Hirata  <kazu@codesourcery.com>
374
375         * cfg.c, tree-vect-transform.c, tree.def: Fix comment typos.
376         * doc/invoke.texi: Fix typos.
377
378         * builtins.c, c-common.c, c-convert.c, c-decl.c, c-typeck.c,
379         convert.c, lambda-code.c, predict.c, tree-cfg.c,
380         tree-complex.c, tree-data-ref.c, tree-if-conv.c,
381         tree-mudflap.c, tree-scalar-evolution.c, tree-ssa-ccp.c,
382         tree-ssa-loop-ivcanon.c, tree-ssa-loop-ivopts.c,
383         tree-ssa-loop-manip.c, tree-ssa-phiopt.c, tree-ssa-pre.c,
384         tree-vect-analyze.c, tree-vect-transform.c, tree-vectorizer.c,
385         tree.c: Use fold_buildN instead of fold (buildN (...)).
386
387 2005-06-26  Gerald Pfeifer  <gerald@pfeifer.com>
388
389         * doc/install.texi (Specific): Do not specify the concrete
390         versions of GCC provided by Cygwin.  Simplify the part on
391         building on Cygwin.
392
393 2005-06-26  Kazu Hirata  <kazu@codesourcery.com>
394
395         * config/arc/arc-protos.c: Remove the prototype for
396         arc_finalize_pic.
397         * config/arc/arc.c (arc_finalize_pic): Remove.
398         * config/arc/arc.h (FINALIZE_PIC): Likewise.
399         * config/bfin/bfin.h (FINALIZE_PIC): Likewise.
400         * config/rs6000/rs6000.h (FINALIZE_PIC): Likewise.
401
402 2005-06-26  Jakub Jelinek  <jakub@redhat.com>
403
404         PR middle-end/17965
405         * calls.c (expand_call, emit_library_call_value_1): Use xmalloc/free
406         instead of alloca for really big argument sizes.
407
408         PR middle-end/22028
409         * gimplify.c (gimplify_type_sizes): Check for type == error_mark_node
410         earlier in the function.
411
412         * regrename.c (copy_value): Don't replace fixed or global
413         regs with older regs.
414
415         * defaults.h (FRAME_GROWS_DOWNWARD): Define to 0 if not defined.
416         * function.c (get_func_frame_size): Use if (FRAME_GROWS_DOWNWARD)
417         instead of preprocessor conditionals.
418         (assign_stack_local_1, assign_stack_temp_for_type): Likewise.
419         * cfgexpand.c (FRAME_GROWS_DOWNWARD): Don't redefine to 1 or 0
420         depending on if it was or was not defined previously.
421         * doc/rtl.texi (VIRTUAL_STACK_VARS_REGNUM): Mention that only non-zero
422         definition of FRAME_GROWS_DOWNWARD means frame grows downward.
423         * doc/tm.texi (FRAME_GROWS_DOWNWARD): Likewise.
424         * config/m68hc11/m68hc11.h (FRAME_GROWS_DOWNWARD): Define to 0.  Update
425         comment.
426         * config/pa/pa.h (FRAME_GROWS_DOWNWARD): Likewise.
427         * config/rs6000/rs6000.h (FRAME_GROWS_DOWNWARD): Likewise.
428         * config/stormy16/stormy16.h (FRAME_GROWS_DOWNWARD): Define to 0.
429         * config/c4x/c4x.h (FRAME_GROWS_DOWNWARD): Likewise.
430         * config/sh/sh.h (FRAME_GROWS_DOWNWARD): Likewise.
431         * config/ia64/ia64.h (FRAME_GROWS_DOWNWARD): Likewise.
432         * config/iq2000/iq2000.h (FRAME_GROWS_DOWNWARD): Likewise.
433         * config/pdp11/pdp11.h (FRAME_GROWS_DOWNWARD): Define to 1.  Update
434         comment.
435         * config/i860/i860.h (FRAME_GROWS_DOWNWARD): Likewise.
436         * config/h8300/h8300.h (FRAME_GROWS_DOWNWARD): Likewise.
437         * config/arc/arc.h (FRAME_GROWS_DOWNWARD): Likewise.
438         * config/vax/vax.h (FRAME_GROWS_DOWNWARD): Likewise.
439         * config/sparc/sparc.h (FRAME_GROWS_DOWNWARD): Likewise.
440         * config/i386/i386.h (FRAME_GROWS_DOWNWARD): Likewise.
441         * config/fr30/fr30.h (FRAME_GROWS_DOWNWARD): Likewise.
442         * config/frv/frv.h (FRAME_GROWS_DOWNWARD): Likewise.
443         * config/mn10300/mn10300.h (FRAME_GROWS_DOWNWARD): Likewise.
444         * config/bfin/bfin.h (FRAME_GROWS_DOWNWARD): Likewise.
445         * config/ns32k/ns32k.h (FRAME_GROWS_DOWNWARD): Likewise.
446         * config/v850/v850.h (FRAME_GROWS_DOWNWARD): Likewise.
447         * config/alpha/alpha.h (FRAME_GROWS_DOWNWARD): Update comment.
448         * config/s390/s390.h (FRAME_GROWS_DOWNWARD): Likewise.
449         * config/arm/arm.h (FRAME_GROWS_DOWNWARD): Likewise.
450         * config/alpha/unicosmk.h (FRAME_GROWS_DOWNWARD): Define to 1.
451         * config/cris/cris.h (FRAME_GROWS_DOWNWARD): Likewise.
452         * config/m68k/m68k.h (FRAME_GROWS_DOWNWARD): Likewise.
453         * config/mmix/mmix.h (FRAME_GROWS_DOWNWARD): Likewise.
454
455 2005-06-26  Kazu Hirata  <kazu@codesourcery.com>
456
457         PR tree-optimization/22026
458         * tree-vrp.c (extract_range_from_binary_expr): Drop to
459         VR_VARYING if a binary expression involving VR_ANTI_RANGE is
460         PLUS_EXPR, MINUS_EXPR, or unsigned MULT_EXPR.
461
462 2005-06-26  Kazu Hirata  <kazu@codesourcery.com>
463
464         * Makefile.in (OBJS-common): Remove duplicate object file
465         names.
466
467 2005-06-25  Jan Hubicka  <jh@suse.cz>
468
469         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Update profile.
470         * cfg.c (update_bb_profile_for_threading): Fix rescaling.
471
472         * passes.c (rest_of_handle_branch_prob): Do not rebuild profiling info
473         when not neecesary
474         (rest_of_compilation): Fix conditional on branch prob pass.
475         * predict.c (tree_estimate_probability): Enable strip_builtin_expect
476         when not loop optimizing.
477
478 2005-06-25  Bernd Schmidt  <bernd.schmidt@analog.com>
479
480         * config/bfin/bfin.md (ror_one, rol_one, ashrdi3, ashldi3, lshrdi3):
481         New patterns.
482         (movbi): Add alternative to set CC to zero.
483         (compare_eq, compare_ne, compare_le, compare_lt, compare_leu,
484         compare_ltu): Now named patterns.
485
486 2005-06-25  Kelley Cook  <kcook@gcc.gnu.org>
487
488         * all files: Update FSF address in copyright headers.
489
490 2005-06-25  Kelley Cook  <kcook@gcc.gnu.org>
491
492         * gengtype.c: Update FSF address in copyright header.
493         (create_file): Update FSF in outputed copyright header.
494
495 2005-06-24  Kazu Hirata  <kazu@codesourcery.com>
496
497         * cfglayout.c (block_locators_locs, line_locators_locs,
498         line_locators_lines, file_locators_locs): Change the type to
499         VEC(int,heap)*.
500         (insn_locators_initialize, change_scope, insn_scope,
501         locator_line, insn_line, locator_file): Use VEC instead of
502         VARRAY.
503
504 2005-06-24  Jason Merrill  <jason@redhat.com>
505
506         * tree-nrv.c (tree_nrv): Fix to check assignments to the
507         RESULT_DECL rather than just RETURN_EXPRs.
508         (finalize_nrv_r): Adjust.
509
510 2005-06-24  Jan Hubicka  <jh@suse.cz>
511
512         * tree-optimize.c (init_tree_optimization_passes): Fix flags of
513         all_passes and all_ipa_passes.
514
515         * c-common.c: Include cgraph.h
516         (handle_externally_visible_attribute): New function.
517         (c_common_att): Add "externally_visible" attribute.
518         * cgraph.c (decide_is_variable_needed): Obey externally
519         visible flag.
520         (cgraph_varpool_finalize_decl): Avoid redundant checking.
521         * cgraph.h (struct cgraph_node): New flag externally_visible.
522         (decide_is_function_needed): Obey externally visible flag.
523         (cgraph_finalize_function): Avoid redundant checks.
524         (cgraph_function_and_variable_visibility): Bring symbols local
525         when asked for.
526         * common.opt (fwhole-program): New flag.
527
528         * doc/invoke.texi (-fwhole-program): Document.
529
530 2005-06-24  Mark Mitchell  <mark@codesourcery.com>
531
532         PR 22171
533         * tree-ssa-operands.c (get_expr_operands): Check s_ann for NULL
534         before use.
535
536 2005-06-23  Mark Mitchell  <mark@codesourcery.com>
537
538         PR 22000
539         * tree-ssa-operands.c (get_expr_operands): Check the volatility of
540         the FIELD_DECL and set s_ann->has_volatile_ops accordingly.
541
542 2005-06-24  Jan Hubicka  <jh@suse.cz>
543
544         * opts.c (decode_options): Enable unit-at-a-time by default at -O1.
545
546 2005-06-23  Jeff Law  <law@redhat.com>
547
548         * tree-optimize.c (init_tree_optimization_passes): Move
549         copy prop pass to run just before VRP.
550         * tree-vrp.c (remove_range_assertions): Remove copies created
551         by ASSERT_EXPR removal.
552
553 2005-06-23  Kazu Hirata  <kazu@codesourcery.com>
554
555         PR tree-optimization/22117
556         * tree-vrp.c (extract_range_from_binary_expr): Compute a
557         correct range when adding two pointers.
558
559 2005-06-23  Jason Merrill  <jason@redhat.com>
560
561         PR c++/19317
562         Leave the return slot target in the MODIFY_EXPR rather than making
563         it an argument, but only use it if the CALL_EXPR has a flag set.
564         * tree.h (CALL_EXPR_HAS_RETURN_SLOT_ADDR): Rename to
565         CALL_EXPR_RETURN_SLOT_OPT.
566         * calls.c (expand_call): Adjust.
567         * tree-inline.c (expand_call_inline): Adjust.
568         * tree-pretty-print.c (dump_generic_node): Adjust.
569
570         And set the flag as appropriate.
571         * gimplify.c (gimplify_modify_expr_rhs): Set
572         CALL_EXPR_HAS_RETURN_SLOT_ADDR where the LHS is obviously safe.
573         * tree-nrv.c (execute_return_slot_opt): Set
574         CALL_EXPR_HAS_RETURN_SLOT_ADDR based on escape analysis.
575         * tree-pass.h: Declare pass_return_slot.
576         * tree-optimize.c (init_tree_optimization_passes): Add it.
577         
578 2005-06-23  David Edelsohn  <edelsohn@gnu.org>
579
580         PR target/21760
581         * config/rs6000/rs6000.h (PPC405_ERRATUM77): New.
582         * config/rs6000/rs6000.md: Move atomic instructions to ...
583         * config/rs6000/sync.md: Here.
584         Change sync_compare_and_swap<mode> to define_expand.  All stwcx
585         patterns test PPC405_ERRATUM77.
586
587 2005-06-23  Jan Hubicka  <jh@suse.cz>
588         
589         * tree-inline.c (copy_body_r): Remap labels correctly.
590
591 2005-06-22  Alan Modra  <amodra@bigpond.net.au>
592
593         * config/rs6000/sysv4.h (TARGET_ASM_EXCEPTION_SECTION): Delete.
594
595 2005-06-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
596
597         PR middle-end/20593
598         * varasm.c (compute_reloc_for_constant): Treat VIEW_CONVER_EXPR
599         the same as the other cast operands.
600         (output_addressed_constants): Likewise.
601
602 2005-06-21  Jeff Law  <law@redhat.com>
603
604         * tree-vrp.c (extract_range_from_unary_expr): Handle type
605         conversions better.
606
607 2005-06-21  Dorit Nuzman  <dorit@il.ibm.com>
608
609         * genopinit.c (vec_shl_optab, vec_shr_optab): Initialize new optabs.
610         (reduc_plus_optab): Removed.  Replcaed with...
611         (reduc_splus_optab, reduc_uplus_optab): Initialize new optabs.
612         * optabs.c (optab_for_tree_code): Return reduc_splus_optab or
613         reduc_uplus_optab instead of reduc_plus_optab.
614         (expand_vec_shift_expr): New function.
615         (init_optabs): Initialize new optabs. Remove initialization of
616         reduc_plus_optab.
617         (optab_for_tree_code): Return vec_shl_optab/vec_shr_optab
618         for VEC_LSHIFT_EXPR/VEC_RSHIFT_EXPR.
619         * optabs.h (OTI_reduc_plus): Removed. Replaced with...
620         (OTI_reduc_splus, OTI_reduc_uplus): New.
621         (reduc_plus_optab): Removed.  Replcaed with...
622         (reduc_splus_optab, reduc_uplus_optab): New optabs.
623         (vec_shl_optab, vec_shr_optab): New optabs.
624         (expand_vec_shift_expr): New function declaration.
625
626         * tree.def (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR): New tree-codes.
627         * tree-inline.c (estimate_num_insns_1): Handle new tree-codes.
628         * expr.c (expand_expr_real_1): Handle new tree-codes.
629         * tree-pretty-print.c (dump_generic_node, op_symbol, op_prio): Likewise.
630         * tree-vect-generic.c (expand_vector_operations_1): Add assert.
631
632         * tree-vect-transform.c (vect_create_epilog_for_reduction): Add two
633         alternatives for generating reduction epilog code.
634         (vectorizable_reduction): Don't fail of direct reduction support is
635         not available.
636         (vectorizable_target_reduction_pattern): Likewise.
637
638         * config/rs6000/altivec.md (reduc_smax_v4si, reduc_smax_v4sf,
639         reduc_umax_v4si, reduc_smin_v4si, reduc_smin_v4sf, reduc_umin_v4si,
640         reduc_plus_v4si, reduc_plus_v4sf): Removed.
641         (vec_shl_<mode>, vec_shr_<mode>, altivec_vsumsws_nomode,
642         reduc_splus_<mode>, reduc_uplus_v16qi): New.
643
644 2005-06-20  Daniel Berlin  <dberlin@dberlin.org>
645
646         * c-typeck.c (build_function_call): Set fundecl = function again.
647         * tree-ssa-alias.c (find_used_portions): Address taking causes the
648         entire variable to be used.
649         * tree-ssa-structalias.c (do_structure_copy): Fix handling of
650         unknown size variables, and structure copies from addressof
651         operations.  Simplify how we do *a = *b type structure copies.
652         (init_base_vars): Add ANYTHING = &ANYTHING constraint the right
653         way.  READONLY's address is not taken by default.
654         INTEGER dereference should point to anything.
655         (create_variable_info_for): It's okay for the first field to not start
656         at 0.
657
658 2005-06-20  Kaz Kojima  <kkojima@gcc.gnu.org>
659
660         config/sh/linux.h (FUNCTION_PROFILER): Constify a char*.
661
662 2005-06-20  Roger Sayle  <roger@eyesopen.com>
663 2005-06-20  Fariborz Jahanian <fjahanian@apple.com>
664
665         * combine.c (simplify_set): Simplify setting of CC register
666         by removing redundant compare with 0 on RHS.
667
668 2005-06-20  Jan Beulich  <jbeulich@novell.com>
669
670         * config/i386/netware-libgcc.def: Update copyright.
671         * config/i386/netware-libgcc.exp (__divdc3, __divsc3, __divxc3,
672         __muldc3, __mulsc3, __mulxc3, __powidf2, __powisf2, __powixf2): Add.
673         * config/i386/netware.c (gen_stdcall_decoration,
674         gen_fastd_decoration): Merge into ...
675         (gen_stdcall_or_fastcall_decoration): ... this. Adjust to match
676         WinNT's changes.
677         (gen_regparm_prefix): Adjust to match i386_nlm_encode_section_info.
678         (i386_nlm_encode_section_info): Adjust to match WinNT's changes.
679         * config/i386/t-nwld (SHLIB_LINK): Also create libgcc.imp alias of
680         libgcc_s.imp. Use 'expr' rather than $(()) shell expressions.
681         * gthr-nks.h (__gthread_objc_mutex_allocate): Kill another dubious
682         use of NX_MUTEX_RECURSIVE.
683
684 2005-06-19  Roger Sayle  <roger@eyesopen.com>
685
686         * fold-const.c (swap_tree_comparison): Add support for unordered
687         floating point comparisons.
688         * tree-vrp.c (opposite_comparison): Delete.
689         (extract_range_from_assert): Replace calls to opposite_comparison
690         with calls to swap_tree_comparison.
691         (register_edge_assert_for): Likewise.
692         (vrp_evaluate_conditional): Likewise.
693
694 2005-06-20  Kaz Kojima  <kkojima@gcc.gnu.org>
695
696         * integrate.c (allocate_initial_values): Update the references
697         to global_live_at_start and global_live_at_end.
698
699 2005-06-20  Jan Hubicka  <jh@suse.cz>
700
701         * cfgloop.h (DLTHE_RECORD_COPY_NUMBER): New flag.
702         * cfgloopmanip.c (duplicate_loop_to_header_edge): Set aux flags only
703         when asked for.
704         * loop-unroll.c (peel_loop_completely, unroll_loop_constant_iterations,
705         unroll_loop_runtime_iterations, peel_loop_simple, unroll_loop_stupid):
706         Update call of duplicate_loop_to_header_edge.
707         (apply_opt_in_copies): Clear out aux pointers.
708
709 2005-06-19  Joseph S. Myers  <joseph@codesourcery.com>
710
711         * config/i386/i386.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
712         (ix86_mangle_fundamental_type): New.
713         * config/ia64/ia64.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
714         (ia64_mangle_fundamental_type): New.
715
716 2005-06-19  Roger Sayle  <roger@eyesopen.com>
717
718         * c-decl.c (grokdeclarator): Only check TREE_OVERFLOW on
719         INTEGER_CST nodes.
720         * c-typeck.c (build_c_cast): Only preserve TREE_OVERFLOW on
721         CONSTANT_CLASS_P nodes.
722
723 2005-06-19  Richard Henderson  <rth@redhat.com>
724
725         * config/ia64/vect.md (vec_extractv2sf_1): Fix cut-and-paste error;
726         the shift is always required.
727
728 2005-06-19  Richard Henderson  <rth@redhat.com>
729
730         * config/ia64/ia64-modes.def (V4SF): Add.
731         * config/ia64/ia64.c (ia64_legitimate_constant_p): Handle CONST_VECTOR.
732         * config/ia64/ia64.h (CANNOT_CHANGE_MODE_CLASS): Allow vector to 
733         integer mode changes in fp regs.
734         * config/ia64/ia64.md (UNSPEC_VECT_EXTR): New.
735         * config/ia64/vect.md (smaxv2sf3, sminv2sf3): Fix typos in names.
736         (reduc_plus_v2sf, reduc_smax_v2sf, reduc_smin_v2sf): New.
737         (vcondv2sf): Use gen_fpack
738         (fpack): Remove * from name.
739         (fswap, fmix_l, fmix_r, fmix_lr): New.
740         (vec_setv2sf, vec_extractv2sf_0_le, vec_extractv2sf_0_be): New.
741         (vec_extractv2sf_1, vec_extractv2sf): New.
742
743 2005-06-19  Andreas Krebbel  <krebbel1@de.ibm.com>
744
745         * combine.c (make_compound_operation): Use simplify_subreg.  Delete
746         a optimization already done by simplify_subreg.
747
748 2005-06-19  Ulrich Weigand  <uweigand@de.ibm.com>
749
750         * loop.c (scan_loop): Do not consider insns setting the frame
751         pointer to be candidates for hoisting.
752
753 2005-06-19  Uros Bizjak  <uros@kss-loka.si>
754
755         * config/i386/i386.md (*cmpfp_0_sf, *cmpfp_0_df, cmpfp_0_xf):
756         Remove instruction patterns.
757         (*cmpfp_0): New instruction pattern. Set "unit" attribute to "i387".
758         (*cmpfp_sf, *cmpfp_df, *cmpfp_xf, *cmpfp_u, *_cmpfp_<mode>):
759         Set "unit" attribute to "i387".
760         (*pushsf, *pushsf_rex64, *pushdf_nointeger, *pushdf_integer)
761         (*pushxf_nointeger, *pushxf_integer): Set "unit" attribute to "i387"
762         for alternative 0.
763         (*truncdfsf_mixed, *truncdfsf_i387, *truncxfsf2_mixed)
764         (*truncxfsf2_i387, *truncxfdf2_mixed, *truncxfdf2_i387): Set "unit"
765         attribute to "i387" when "type" attribute equals "multi".
766         (*floathisf2_i387, *floatsisf2_mixed, *floatsisf2_i387)
767         (*floatdisf2_mixed, *floatdisf2_i387, *floathidf2_i387)
768         (*floatsidf2_mixed, *floatsidf2_i387, *floatdidf2_mixed)
769         (*floatdidf2_i387, floathixf2, floatsixf2, floatdixf2): Set "unit"
770         attribute to "i387" when "type" attribute equals "multi".
771         * config/i386/mmx.md (*mov<mode>_internal_rex64)
772         (*mov<mode>_internal, *movv2sf_internal_rex64, *movv2sf_internal):
773         Set "unit" attribute to "mmx" when "type" attribute equals "ssecvt".
774         (mmx_pmovmskb): Correct wrong "type" and "mode" attributes.
775         * config/i386/sse.md (sse_cvtps2pi, sse_cvttps2pi, sse_cvtpd2di)
776         (sse_cvttpd2pi): Set "unit" attribute to "mmx".
777         (sse2_cvtpi2pd): Split register constraints. Set "unit" attribute
778         to "mmx" for "y" operand 1.
779
780 2005-06-19  Uros Bizjak  <uros@kss-loka.si>
781
782         * config/i386/i386.c (ix86_function_arg_regno_p): Add MMX_REGNO_P
783         for TARGET_MMX.  Use MMX_REGPARM_MAX and SSE_REGPARM_MAX for MMX
784         and SSE registers to determine if regno is valid.
785         (ix86_function_value_regno_p): Depend FIRST_FLOAT_REG on
786         TARGET_FLOAT_RETURNS_IN_80387 also for TARGET_64BIT. Clean up.
787
788 2005-06-18  Richard Henderson  <rth@redhat.com>
789
790         * tree-complex.c (init_dont_simulate_again): Clear DONT_SIMULATE_AGAIN
791         for control-altering statements; set it again for returns.
792         (complex_visit_stmt): Return SSA_PROP_VARYING for stmts that are
793         not MODIFY_EXPR.
794
795 2005-06-18  Richard Henderson  <rth@redhat.com>
796
797         PR tree-opt/22116
798         * tree-ssa-pre.c (create_expression_by_pieces): Set
799         DECL_COMPLEX_GIMPLE_REG_P.
800         (insert_into_preds_of_block): Likewise.
801
802 2005-06-18  Steven Bosscher  <stevenb@suse.de>
803
804         * Makefile.in: Fix tree-cfgcleanup.c dependencies.
805
806 2005-06-18  Richard Henderson  <rth@redhat.com>
807
808         * expr.c (store_constructor): Use store of 0 to indicate value
809         death instead of a clobber.
810
811         * config/i386/i386.c (ix86_expand_reduc_v4sf): New.
812         * config/i386/i386-protos.h (ix86_expand_reduc_v4sf): Declare.
813         * config/i386/sse.md (reduc_plus_v4sf): New.
814         (reduc_smax_v4sf, reduc_smin_v4sf): New.
815
816 2005-06-18  James A. Morrison  <phython@gcc.gnu.org>
817
818         * fold_const (fold_binary): Fold X % (2**N) to X & (2**N - 1) for
819         nonnegative values of X.
820
821 2005-06-18  Uros Bizjak  <uros@kss-loka.si>
822
823         * doc/md.texi (Standard Names): Change insn pattern name
824         from truncM2 to btruncM2 for 'trunc' built-in description.
825         Add rintM2 insn pattern description.
826
827 2005-06-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
828
829         * c-decl.c (locate_old_decl): Add format attribute.
830         (implicit_decl_warning): Likewise.
831
832         * diagnostic.h (verbatim): Move ...
833         * toplev.h (verbatim): ... here.  Add ATTRIBUTE_GCC_DIAG.
834         * pretty-print.h (pp_verbatim): Add ATTRIBUTE_GCC_PPDIAG.
835
836 2005-06-18  Roger Sayle  <roger@eyesopen.com>
837
838         PR target/22083
839         * config/rs6000/aix51.h (TARGET_C99_FUNCTIONS): Remove definition.
840
841 2005-06-18  Dorit Nuzman  <dorit@il.ibm.com>
842
843         * tree.def (REDUC_MAX_EXPR, REDUC_MIN_EXPR, REDUC_PLUS_EXPR): New
844         tree-codes.
845         * optabs.h (OTI_reduc_smax, OTI_reduc_umax, OTI_reduc_smin,
846         OTI_reduc_umin, OTI_reduc_plus): New optabs for reduction. 
847         (reduc_smax_optab, reduc_umax_optab, reduc_smin_optab, reduc_umin_optab,
848         reduc_plus_optab): New optabs for reduction.
849         * expr.c (expand_expr_real_1): Handle new tree-codes.
850         * tree-inline.c (estimate_num_insns_1): Handle new tree-codes.
851         * tree-pretty-print.c (dump_generic_node, op_prio, op_symbol): Handle
852         new tree-codes.
853         * optabs.c (optab_for_tree_code): Handle new tree-codes.
854         (init_optabs): Initialize new optabs.
855         * genopinit.c (optabs): Define handlers for new optabs. 
856
857         * tree-vect-analyze.c (vect_analyze_operations): Fail vectorization in
858         case of a phi that is marked as relevant. Call vectorizable_reduction.
859         (vect_mark_relevant): Phis may be marked as relevant.
860         (vect_mark_stmts_to_be_vectorized): The use corresponding to the 
861         reduction variable in a reduction stmt does not mark its defining phi
862         as relevant. Update documentation accordingly.
863         (vect_can_advance_ivs_p): Skip reduction phis.
864         * tree-vect-transform.c (vect_get_vec_def_for_operand): Takes
865         additional argument. Handle reduction.
866         (vect_create_destination_var): Update call to vect_get_new_vect_var.
867         Handle non-vector argument.
868         (get_initial_def_for_reduction): New function.
869         (vect_create_epilog_for_reduction): New function. 
870         (vectorizable_reduction): New function.
871         (vect_get_new_vect_var): Handle new vect_var_kind.       
872         (vectorizable_assignment, vectorizable_operation, vectorizable_store,
873         vectorizable_condition): Update call to vect_get_new_vect_var.
874         (vect_transform_stmt): Call vectorizable_reduction.
875         (vect_update_ivs_after_vectorizer): Skip reduction phis.
876         (vect_transform_loop): Skip if stmt is both not relevant and not live.
877         * tree-vectorizer.c (reduction_code_for_scalar_code): New function.
878         (vect_is_simple_reduction): Was empty - added implementation.
879         * tree-vectorizer.h (vect_scalar_var): New enum vect_var_kind value.
880         (reduc_vec_info_type): New enum vect_def_type value.
881         * config/rs6000/altivec.md (reduc_smax_v4si, reduc_smax_v4sf,
882         reduc_umax_v4si, reduc_smin_v4si, reduc_umin_v4sf, reduc_smin_v4sf,
883         reduc_plus_v4si, reduc_plus_v4sf): New define_expands.
884
885         * tree-vect-analyze.c (vect_determine_vectorization_factor): Remove
886         ENABLE_CHECKING around gcc_assert.
887         * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
888         (vect_do_peeling_for_alignment, vect_transform_loop, 
889         vect_get_vec_def_for_operand): Likewise.
890
891 2005-06-18  Joseph S. Myers  <joseph@codesourcery.com>
892
893         * config/ia64/ia64.c (ia64_function_arg): Set up a PARALLEL for a
894         big-endian unnamed __float80 value.
895
896 2005-06-18  Richard Henderson  <rth@redhat.com>
897
898         PR tree-opt/22103
899         * tree-sra.c (generate_copy_inout): Handle SSA_NAME complex
900         destinations.
901
902 2005-06-17  Richard Henderson  <rth@redhat.com>
903
904         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Use
905         initialize_original_copy_tables and free_original_copy_tables.
906         (vect_do_peeling_for_alignment): Likewise.
907
908 2005-06-17  Pat Haugen  <pthaugen@us.ibm.com>
909
910         * bb-reorder.c (find_traces_1_round): Use succ block frequency
911         instead of edge frequency for calls to better_edge_p.
912
913 2005-06-17  Andrew Pinski  <pinskia@physics.uc.edu>
914
915         PR tree-opt/22105
916         * tree-ssa-loop-im.c (for_each_index): Handle COMPLEX_CST.
917
918 2005-06-17  Steve Ellcey  <sje@cup.hp.com>
919
920         PR target/19889
921         * config/ia64/hpux.h (FUNCTION_PROFILER): New (dummy).
922         (PROFILE_HOOK): New.
923         (PROFILE_BEFORE_PROLOGUE): Undef.
924         (NO_PROFILE_COUNTERS): New.
925         * config/ia64/ia64-protos.h (ia64_profile_hook): New.
926         * config/ia64/ia64.c (ia64_compute_frame_size): Add ifdef.
927         (gen_mcount_func_rtx): New.
928         (ia64_profile_hook): New.
929         * config/ia64/ia64.md (ip_value): New.
930
931 2005-06-17  Devang Patel  <dpatel@apple.com>
932
933         * config/rs6000/predicates.md (s5bit_cint_operand,
934         u5bit_cint_operand): New.
935         * config/rs6000/altivec.md (altivec_vspltb, altivec_vsplth,
936         altivec_vspltisw_v4sf): Use new 5 bit constant operand predicates.
937         * config/rs6000/rs6000.c (rs6000_expand_unop_builtin): Fix signed
938         5 bit constant check.
939         
940 2005-06-17  Richard Henderson  <rth@redhat.com>
941
942         * local-alloc.c (update_equiv_regs): Update reg_equiv_init
943         properly when moving an initialization insn.
944
945 2005-06-17  Paolo Bonzini  <bonzini@gnu.org>
946
947         * aclocal.m4 (gcc_AC_CHECK_TOOL): Do not overwrite the
948         passed variable.
949         * configure.ac: Regenerate.
950
951 2005-06-17  Jan Hubicka  <jh@suse.cz>
952
953         * tree-optimize.c (execute_ipa_pass_list): New.
954         (ipa_passes): Use it.
955
956 2005-06-16  Richard Henderson  <rth@redhat.com>
957
958         PR tree-opt/22022
959         * tree-complex.c (update_phi_components): Avoid no-op moves.
960
961 2005-06-16  Joseph S. Myers  <joseph@codesourcery.com>
962
963         * Makefile.in (cc1-checksum.c): Use
964         build/genchecksum$(build_exeext), not build/genchecksum$(exeext).
965
966 2005-06-16  Geoffrey Keating  <geoffk@apple.com>
967
968         * gengtype.c (adjust_field_rtx_def): Don't add a skip to
969         basic_block types.
970
971         * config/t-slibgcc-darwin (SHLIB_SOVERSION): Rename from
972         SHLIB_MINOR.
973         (SHLIB_REVISION): Delete.
974         (SHLIB_VERSTRING): Update to compensate.
975         (SHLIB_SONAME): Just use one '.' in the name.
976
977 2005-06-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
978
979         PR tree-optimization/22018
980         * tree-vrp.c (vrp_int_const_binop): Overhaul handling of overflow.
981
982 2005-06-16  Richard Henderson  <rth@redhat.com>
983
984         PR tree-opt/22035
985         * builtins.c (fold_builtin_complex_mul): Remove.
986         (fold_builtin_complex_div): Remove.
987         (fold_builtin_1): Don't call them.
988         * fold-const.c (fold_complex_add, fold_complex_mult_parts,
989         fold_complex_mult, fold_complex_div_parts, fold_complex_div): Remove.
990         (fold_binary): Don't call them.  Don't expand complex comparisons to
991         elementary comparisons.
992         * tree-complex.c (init_dont_simulate_again): Enhance search for 
993         stmts that require decomposition.
994         (complex_visit_stmt): Handle RETURN_EXPR properly.
995         (create_components): Handle no referenced variables properly.
996         * tree.h (fold_complex_mult_parts): Remove.
997         (fold_complex_div_parts): Remove.
998
999 2005-06-16  Richard Guenther  <rguenth@gcc.gnu.org>
1000
1001         * doc/extend.texi: Document sseregparm target attribute.
1002         Clarify fastcall and regparm documentation.
1003         * config/i386/i386.h: Adjust float_in_sse documentation.
1004         * config/i386/i386.c: Add new target attribute sseregparm.
1005         (ix86_handle_cdecl_attribute, ix86_handle_regparm_attribute):
1006         Merge into ...
1007         (ix86_handle_cconv_attribute): ... here.  Also handle
1008         sseregparm attribute.
1009         (ix86_comp_type_attributes): Compare sseregparm attributes.
1010         (ix86_function_sseregparm): New function, split out from ...
1011         (init_cumulative_args): ... here.  Use to decide use
1012         of SSE registers and error in case of missing support.
1013         (ix86_value_regno): Likewise.
1014         (function_arg_advance): Do not bail out for DFmode if we need
1015         to pass doubles in registers.
1016         (function_arg): Likewise.
1017
1018 2005-06-16  Paolo Bonzini  <bonzini@gnu.org>
1019             Daniel Jacobowitz  <dan@codesourcery.com>
1020             Alan Modra <amodra.bigpond.net.au>
1021
1022         * configure.ac (gcc_version): Set near the beginning.
1023         (as, ld, nm): Do not link in-tree tools.  Set gcc_cv_* if tools are
1024         found in the tree.  Use gcc_AC_PROG to find the tools in the system.
1025         (objdump): Do not look for it.
1026         * Makefile.in (NM_FOR_TARGET): Point to ./nm
1027         (ORIGINAL_AS_FOR_TARGET, ORIGINAL_LD_FOR_TARGET,
1028         ORIGINAL_NM_FOR_TARGET): Substitute from autoconf.
1029         (as, ld, nm): New rules.
1030         (libgcc.mk): Depend on them.
1031         * aclocal.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL,
1032         gcc_AC_BUILD_EXEEXT): New.
1033         (gcc_AC_CHECK_PROG_VER): Use gcc_AC_BUILD_EXEEXT.
1034         * configure: Regenerate.
1035
1036 2005-06-16  Jan Hubicka  <jh@suse.cz>
1037
1038         * basic-block.h (rtl_bb_info): Break out head_, end_,
1039         global_live_at_start, global_live_at_end from ...
1040         (basic_block_def): ... here; update all references
1041         (BB_RTL): New flag.
1042         (init_rtl_bb_info): Declare.
1043         * cfgexpand.c (expand_gimple_basic_block): Init bb info, set BB_RTL
1044         flag.
1045         * cfgrtl.c: Include ggc.h
1046         (create_basic_block_structure): Init bb info.
1047         (rtl_verify_flow_info_1): Check BB_RTL flag and rtl_bb_info pointer.
1048         (init_rtl_bb_info): New function.
1049         (rtl_merge_block, cfglayout_merge_block): Copy global_live_at_end here.
1050         * cfghooks.c (merge_block): Do not copy global_live_at_end here.
1051         * cfg.c (clear_bb_flags): Skip BB_RTL flag.
1052         (dump_flow_info): Gueard global_live_* dumping.
1053
1054         * Makefile.in (cfg.o): Add new dependencies.
1055         * basic-block.h (reorder_block_def): Kill
1056         original/copy/duplicated/copy_number fields.
1057         (BB_DUPLICATED): New flag.
1058         (initialize_original_copy_tables, free_original_copy_tables,
1059         set_bb_original, get_bb_original, set_bb_copy, get_bb_copy): New.
1060         * cfg.c: Include hashtab.h and alloc-pool.h
1061         (bb_original, bb_copy, original_copy_bb_pool): New static vars.
1062         (htab_bb_copy_original_entry): New struct.
1063         (bb_copy_original_hash, bb_copy_original_eq): New static functions.
1064         (initialize_original_copy_tables, free_original_copy_tables,
1065         set_bb_original, get_bb_original, set_bb_copy, get_bb_copy): New
1066         global functions.
1067         * cfghooks.c (duplicate_block): Update original/copy handling.
1068         * cfglayout.c (fixup_reorder_chain): Likewise.
1069         (cfg_layout_initialize): Initialize orignal_copy tables.
1070         (cfg_layout_finalize): FInalize original_copy tables.
1071         (can_copy_bbs_p): Use BB_DUPLICATED flag.
1072         (copy_bbs): Likewise.
1073         * cfgloopmanip.c (update-single_exits_after_duplication): Likewise.
1074         (duplicate_loop_to_header_edge): Likewise; update handling of
1075         copy_number.
1076         (loop_version): Likewise.
1077         * dominance.c (get_dominated_by_region): Use BB_DUPLICATED_FLAG.
1078         * except.c (expand_resx_expr): Check that reg->resume is not set.
1079         * loop-unroll.c (unroll_loop_constant_iterations,
1080         unroll_loop_runtime_iterations, apply_opt_in_copies): Update
1081         copy/original handling.
1082         * loop-unwitch.c (unswitch_loop): Likewise.
1083         * tree-cfg.c (create_bb): Do not initialize RBI.
1084         (disband_implicit_edges): Do not kill RBI.
1085         (add_phi_args_after_copy_bb): Use new original/copy mapping.
1086         (add_phi_args_after_copy): Use BB_DUPLICATED flag.
1087         (tree_duplicate_sese_region): Update original/copy handling.
1088         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
1089         * tree-ssa-loop-manip.c (copy_phi_node_args): Likewise.
1090         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Likewise.
1091
1092 2005-06-15  Andrew Pinski  <pinskia@physics.uc.edu>
1093
1094         PR tree-opt/21923
1095         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Conversions between
1096         integer types whos ranges are different are not useless.
1097
1098 2005-06-15  Andrew Pinski  <pinskia@physics.uc.edu>
1099
1100         PR tree-opt/22024
1101         * tree-ssa-reassoc.c (init_reassoc): Also give chain decl a distint
1102         rank.
1103
1104 2005-06-15  Diego Novillo  <dnovillo@redhat.com>
1105
1106         * tree-ssa-structalias.c (dump_solution_for_var): Reformat
1107         output.
1108         (dump_sa_points_to_info): Make extern.
1109         (debug_sa_points_to_info): New.
1110         * tree-ssa-structalias.h (TREE_SSA_STRUCTALIAS_H): Rename from
1111         TREE_ALIAS_COMMON.
1112         (dump_sa_points_to_info): Declare.
1113         (debug_sa_points_to_info): Declare.
1114
1115 2005-06-15  Joseph S. Myers  <joseph@codesourcery.com>
1116
1117         * c-tree.h (default_function_array_conversion): Declare.
1118         * c-typeck.c (default_function_array_conversion): Export.  Correct
1119         comment.
1120         (default_conversion): Do not call
1121         default_function_array_conversion.  Do not allow FUNCTION_TYPE.
1122         (build_function_call): Call default_function_array_conversion on
1123         the function.
1124         (convert_arguments): Do not call it on the function arguments.
1125         (build_unary_op): Do not allow ARRAY_TYPE or FUNCTION_TYPE for
1126         TRUTH_NOT_EXPR.  Call default_function_array_conversion for taking
1127         address of ARRAY_REF.
1128         (build_compound_expr): Do not call
1129         default_function_array_conversion.
1130         (build_c_cast): Do not call default_function_array_conversion.
1131         (convert_for_assignment): Do not call default_conversion.
1132         (digest_init): Call default_function_array_conversion to convert
1133         string constants and compound literals to pointers, but not
1134         otherwise.
1135         (output_init_element): Likewise.
1136         (build_asm_expr): Do not call default_function_array_conversion.
1137         (c_process_expr_stmt): Likewise.
1138         (c_objc_common_truthvalue_conversion): Likewise.  Do not allow
1139         FUNCTION_TYPE.
1140         * c-parser.c (c_parser_expression_conv): New.
1141         (c_parser_asm_operands, c_parser_expr_list): Add convert_p
1142         argument.  All callers changed.  Call
1143         default_function_array_conversion if convert_p.
1144         (c_parser_initializer, c_parser_initval): Call
1145         default_function_array_conversion except for string constants and
1146         compound literals.
1147         (c_parser_initelt): Call default_function_array_conversion for
1148         ObjC expression received.
1149         (c_parser_statement_after_labels): Call c_parser_expression_conv
1150         for return and expression statements.
1151         (c_parser_paren_condition, c_parser_for_statement,
1152         c_parser_conditional_expression): Call c_parser_expression_conv.
1153         (c_parser_expr_no_commas, c_parser_conditional_expression,
1154         c_parser_binary_expression, c_parser_cast_expression,
1155         c_parser_unary_expression): Call
1156         default_function_array_conversion.
1157
1158 2005-06-15  Diego Novillo  <dnovillo@redhat.com>
1159
1160         * tree-vrp.c (vrp_int_const_binop): Do not handle MAX_EXPR
1161         when the result overflows.
1162
1163 2005-06-15  David Ung  <davidu@mips.com>
1164
1165         * config/mips/mips.c (mips_rtx_cost_data): Add cost for 4kc, 4kp,
1166         24k and 24kx.
1167         
1168 2005-06-15  Richard Sandiford  <richard@codesourcery.com>
1169
1170         * doc/invoke.texi (-mips16): Fix typo.
1171
1172 2005-06-15  David Ung  <davidu@mips.com>
1173
1174         * config/mips/mips.h (GENERATE_MIPS16E): New definition.
1175         * config/mips/mips.md (zero_extend<SHORT:mode><GPR:mode>2):
1176         Changed expand condition to exclude generating of "and" if
1177         GENERATE_MIPS16E is true.
1178         (*zero_extend<SHORT:mode><GPR:mode>2_mips16e): New pattern for
1179         matching mips16e zeb/zeh.
1180         (*extend<SHORT:mode><GPR:mode>2_mips16e): New pattern for matching
1181         mips16e seb/seh. 
1182         (*extend<SHORT:mode><GPR:mode>2): Disable this pattern for
1183         GENERATE_MIPS16E. 
1184         * doc/invoke.texi (MIPS Options): Add comment to -mips16
1185         indicating MIPS16e ASE is used if targetting for MIPS32 or MIPS64.
1186         
1187 2005-06-15  Diego Novillo  <dnovillo@redhat.com>
1188
1189         PR 22018
1190         * tree-vrp.c (vrp_int_const_binop): New.
1191         (extract_range_from_binary_expr): Call it.
1192         Unify handling division and multiplication.
1193
1194 2005-06-15  Aldy Hernandez  <aldyh@redhat.com>
1195
1196         * c-common.h (same_scalar_type_ignoring_signedness): Protoize.
1197
1198         * c-common.c (same_scalar_type_ignoring_signedness): New.
1199
1200         * c-typeck.c (build_binary_op): Check compatability of vector
1201         types.  Move error report after switch.
1202         Do not clobber code[01] on *_DIV_EXPR case.
1203
1204         * testsuite/gcc.dg/simd-1.c: Update error messages.
1205         * testsuite/gcc.dg/simd-1b.c: Re-enable tests.  Update error
1206         messages.
1207         * testsuite/gcc.dg/simd-2.c: Update error messages.
1208         * testsuite/gcc.dg/simd-4.c: New.
1209
1210 2005-06-15  Bernd Schmidt  <bernd.schmidt@analog.com>
1211
1212         * Makefile.in (local-alloc.o): Depend on $(GGC_H) and reload.h.
1213         * local-alloc.c: Include "ggc.h" and "reload.h".
1214         (struct equivalence): New member is_arg_equivalence.
1215         (local_alloc): Always call update_equiv_regs.
1216         (update_equiv_regs): Allocate reg_equiv_init; set reg_equiv_init_size.
1217         Detect equivalences made by stores to memory in a second pass.
1218         Return early if not optimizing.
1219         Initialize reg_equiv_init for all equivalences; treat equivalences for
1220         REG_EQUIV notes existing before this pass specially.
1221         (no_equiv): Don't clear reg_equiv_init or remove notes if the
1222         is_arg_equivalence field is set.
1223         * reload.h (reg_equiv_init, reg_equiv_init_size): Declare.
1224         * reload1.c (reg_equiv_init): No longer static.
1225         (reg_equiv_init_size): New variable.
1226         (reload): Don't allocate reg_equiv_init; don't free it when done but
1227         clear it.
1228         Restructure equivalence set up code not to set reg_equiv_init, but to
1229         clear it when we can't use an equivalence.
1230         Undo change disabling equivalences for MEM_READONLY_P memrefs.
1231         Dump equivalencing insns to dump_file.
1232
1233 2005-06-14  Richard Sandiford  <richard@codesourcery.com>
1234
1235         * config/mips/mips.c (machine_function): Add varargs_size field.
1236         (mips_setup_incoming_varargs): Store the amount of extra stack space
1237         there rather than in *pretend_size.  When saving registers, always
1238         expect virtual_incoming_args_rtx to point to the start of the
1239         pretend arguments.
1240         (mips_va_start): Remove alignment hack.  Handle all
1241         !EABI_FLOAT_VARARGS_P cases in the same way.
1242         (compute_frame_size): Handle varargs_size.  Remove the redundant
1243         !TARGET_OLDABI condition in the handling of pretend_args_size.
1244         (mips_initial_elimination_offset): Remove the now-redundant check
1245         of TARGET_NEWABI.
1246
1247 2005-06-14  Jeff Law  <law@redhat.com>
1248
1249         * tree-vrp.c (local_fold): Remove.
1250         (simplify_using_ranges): Use fold_convert, not local_fold.  Tweak
1251         DIV/MOD case slightly for readability.
1252
1253 2005-06-14  Frank Ch. Eigler  <fche@redhat.com>
1254
1255         PR mudflap/21023
1256         * tree-mudflap.c (mudflap_finish_file): Exclude non-public
1257         rather than static objects (!) from libmudflap registration.
1258
1259 2005-06-14  Richard Sandiford  <richard@codesourcery.com>
1260
1261         * opt-functions.awk (global_state_p, needs_state_p, static_var): New.
1262         (var_ref): Take the option's flags as a second parameter.  Check
1263         static_var.
1264         * optc-gen.awk: Declare local state variables.  Pass flags to var_ref.
1265
1266 2005-06-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
1267
1268         PR target/20301
1269         * config/sparc/sol2.h (ASM_GENERATE_INTERNAL_LABEL): Emit
1270         unsigned index numbers.
1271
1272 2005-06-13  Geoffrey Keating  <geoffk@apple.com>
1273
1274         * Makefile.in (install-man): Doesn't really depend on installdirs.
1275         (various rules for installing manpages): Do depend on installdirs.
1276
1277 2005-06-14  Nathan Sidwell  <nathan@codesourcery.com>
1278
1279         * unwind-dw2-fde-darwin.c (examine_objects): Fix aliasing in
1280         read_encoded_value_with_base call.
1281         * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Likewise.
1282         * unwind-dw2-fde.c (_Unwind_Find_FDE): Likewise.
1283         * unwind-dw2.c (extract_cie_info): Fix aliasing in
1284         read_encoded_value call.
1285         (execute_cfa_program, uw_frame_state_for): Likewise.
1286
1287 2005-06-13  Roger Sayle  <roger@eyesopen.com>
1288
1289         PR rtl-optimization/22053
1290         * reg-stack.c (compensate_edge): Correct mistake in the assertion
1291         checking of EDGE_ABNORMAL_CALL edges; complex return values can
1292         result in the top two stack slots, st(0) and st(1), being live.
1293
1294 2005-06-13  Jeff Law  <law@redhat.com>
1295
1296         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): No longer
1297         simplify DIV, MOD or ABS expressions using VRP information.
1298         Remove WALK_DATA parameter.  Prototype and all callers updated.
1299         (eliminate_redundant_computations): Remove WALK_DATA parameter.
1300         Prototype and all callers updated.
1301         (optimize_stmt): WALK_DATA parameter is now unused.
1302
1303         * tree-vrp.c (local_fold): New function.  Like fold, but
1304         strips useless type conversions in the result.
1305         (simplify_using_ranges): New function, largely cribbed from
1306         tree-ssa-dom.c::simplify_rhs_and_lookup_avail_expr.
1307         (vrp_finalize): Call simplify_using_ranges.
1308
1309 2005-06-13  Mark Mitchell  <mark@codesourcery.com>
1310
1311         * config/i386/x86-64.h (ASM_SPEC): Explicitly pass --64 to the
1312         assembler in 64-bit mode.
1313
1314 2005-06-13  David Edelsohn  <edelsohn@gnu.org>
1315
1316         Revert scc_operand patch.
1317         * config/rs6000/predicates.md (scc_operand): Delete.
1318         * config/rs6000/rs6000.md (scc_operand): Change to scc_eq_operand.
1319
1320 2005-06-13  Zdenek Dvorak  <dvorakz@suse.cz>
1321
1322         PR middle-end/21985
1323         * fold-const.c (split_address_to_core_and_offset): Always return
1324         the address of the base object.
1325
1326 2005-06-13  Bernd Schmidt  <bernd.schmidt@analog.com>
1327
1328         * doc/invoke.texi (Blackfin Options): Document -mlong-calls.
1329
1330 2005-06-12  Richard Henderson  <rth@redhat.com>
1331
1332         PR tree-opt/21994
1333         * tree-complex.c (update_complex_components_on_edge): New.
1334         (update_parameter_components): Use it.
1335         (update_phi_components): Likewise.
1336         (expand_complex_move): Likewise for is_ctrl_altering_stmt.
1337
1338 2005-06-12  James A. Morrison  <phython@gcc.gnu.org>
1339
1340         PR tree-optimization/14796
1341         * fold-const (fold_binary): Transform (X << C) >> C into X & (-1>>C)
1342         for unsigned types.
1343
1344 2005-06-12  Kazu Hirata  <kazu@codesourcery.com>
1345
1346         * cgraphunit.c, tree-ssa-loop-ivopts.c,
1347         tree-ssa-structalias.c, tree-vectorizer.c, tree-vectorizer.h,
1348         config/sparc/sparc.c: Fix comment typos.
1349
1350 2005-06-12  Richard Earnshaw  <richard.earnshaw@arm.com>
1351
1352         * arm/ieee754-df.s (aeabi_dcmpeq, aeabi_dcmplt, aeabi_dcmple)
1353         (aeabi_dcmpge, aeabi_dcmpgt): Maintain 8-byte stack alignment.
1354         * arm/ieee754-sf.s (aeabi_l2f, aeabi_fcmpeq, aeabi_fcmplt)
1355         (aeabi_fcmple, aeabi_fcmpge, aeabi_fcmpgt): Likewise.
1356
1357 2005-06-12  James A. Morrison  <phython@gcc.gnu.org>
1358
1359         PR tree-optimization/14796
1360         * fold-const.c (fold_binary): Transform (A >> C) << C into
1361         one BIT_AND_EXPR.
1362         <shift>: Transform (A OP c1) OP c2 into A OP (c1 + c2).
1363
1364 2005-06-11  Geoffrey Keating  <geoffk@apple.com>
1365
1366         * config/rs6000/predicates.md (reg_or_arith_cint_operand): Delete.
1367         (reg_or_add_cint_operand): Rename from reg_or_add_cint64_operand.
1368         Handle SImode.
1369         (reg_or_sub_cint_operand): Likewise.
1370         (mask_operand): Handle DImode.
1371         (mask64_operand): Delete.
1372         (and64_operand): Delete.
1373         * config/rs6000/rs6000.c (num_insns_constant): Use mask_operand
1374         instead of mask64_operand.
1375         (print_operand): Likewise.
1376         (rs6000_rtx_costs): Use mask_operand and reg_or_add_cint_operand and
1377         reg_or_sub_cint_operand instead of *64_* variants.
1378         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Use mask_operand
1379         instead of mask64_operand.
1380         * config/rs6000/rs6000.md: Use mask_operand and and_operand instead
1381         of *64_* variants.
1382         (FP): New.
1383         (add_op2): Delete.
1384         (add<mode>3): Use reg_or_add_cint_operand.
1385         (sub_op2): Delete.
1386         (sub<mode>3): Use reg_or_sub_cint_operand.
1387         (udiv<mode>3, div<mode>3, div<mode>3_no_mq, mod<mode>3,
1388         mov<mode>_internal2, mov<mode>, cmp<mode>, cmp<mode>,
1389         cmp<mode>_internal1, indirect_jump<mode>, ctr<mode>,
1390         ctr<mode>_internal1, ctr<mode>_internal2, ctr<mode>_internal5,
1391         ctr<mode>_internal6, save_fpregs_<mode>, return_internal_<mode>,
1392         return_and_restore_fpregs_<mode>, eh_set_lr_<mode>,
1393         various unnamed patterns): New.
1394         (udivsi3, divsi3, divsi3_no_mq, modsi3, movsi_internal2, movsi,
1395         cmpsi, cmpsi_internal1, indirect_jumpsi, ctrsi, ctrsi_internal1,
1396         ctrsi_internal2, ctrsi_internal5, ctrsi_internal6, save_fpregs_si,
1397         return_internal_si, return_and_restore_fpregs_si, eh_set_lr_si,
1398         udivdi3, divdi3, divdi3_no_mq, moddi3, movdi_internal2, movdi,
1399         cmpdi, cmpdi_internal1, indirect_jumpdi, ctrdi, ctrdi_internal1,
1400         ctrdi_internal2, ctrdi_internal5, ctrdi_internal6, save_fpregs_di,
1401         return_internal_di, return_and_restore_fpregs_di, eh_set_lr_di,
1402         movhi, movqi, cmpsf, cmpdf, cmptf, various unnamed patterns):
1403         Delete.
1404
1405 2005-06-11  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1406
1407         * rtl.h (to_rtx_code): Remove.
1408         * machmode.h (to_machine_mode): Likewise.
1409         * read-rtl.c (apply_mode_macro): Replace to_machine_mode with
1410         explicit cast.
1411         (apply_mode_maps): Likewise.
1412         (read_rtx_1): Likewise.
1413         (apply_code_macro): Replace to to_rtx_code with explicit cast.
1414         (check_code_macro): Likewise.
1415         (read_rtx_1): Likewise.
1416
1417 2005-06-11  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1418
1419         * c-typeck.c (convert_for_assignment): Avoid checking
1420         OPT_Wc___compat, as it is always true.
1421
1422 2005-06-11  David Edelsohn  <edelsohn@gnu.org>
1423
1424         * config/rs6000/rs6000.md (eq<mode>_compare): Restrict to Pmode.
1425
1426 2005-06-11  Daniel Berlin  <dberlin@dberlin.org>
1427
1428         Fix PR tree-optimization/22005
1429         Fix PR tree-optimization/22025
1430         
1431         * tree-ssa-structalias.c (struct variable_info): Add has_union
1432         member.
1433         (create_variable_info_for):  Mark variables containing unions.
1434         Don't sort the field stack if notokay is true.
1435         (find_what_p_points_to): Convert variables containing unions back
1436         to their SFT's if necessary.
1437         
1438 2005-06-11  Daniel Berlin  <dberlin@dberlin.org>
1439
1440         * lambda-code.c (replace_uses_equiv_to_x_with_y): Verify the step
1441         is an INTEGER_CST before calling int_cst_value.
1442
1443 2005-06-10  Uros Bizjak  <uros@kss-loka.si>
1444
1445         PR target/21981
1446         * config/i386/i386.c (ix86_function_value_regno_p): Return true
1447         for FIRST_MMX_REG if TARGET_MMX.
1448         (ix86_return_in_memory): Return 1 for MMX/3dNow vectors. Delete
1449         wrong comment.
1450         (ix86_struct_value_rtx): Emit warning for MMX ABI violations.
1451         (ix86_value_regno): Return FIRST_MMX_REG for MMX vector modes.
1452
1453 2005-06-10  Daniel Berlin  <dberlin@dberlin.org>
1454
1455         * lambda-code.c (replace_uses_equiv_to_x_with_y): Check step
1456         and access function against chrec_dont_know.
1457           
1458 2005-06-10  Daniel Berlin  <dberlin@dberlin.org>
1459
1460         * lambda-code.c (replace_uses_of_x_with_y): Renamed and rewritten
1461         slightly.
1462         (exit_phi_for_loop_p): New function.
1463         (can_put_in_inner_loop): Ditto.
1464         (can_convert_to_perfect_nest): Ditto.
1465         (perfect_nestify): Create iv with right type.
1466         Rewrite statements in correct order.    
1467
1468 2005-06-10  Keith Besaw  <kbesaw@us.ibm.com>
1469
1470         * tree-ssa-alias.c (new_type_alias): Use existing type
1471         tag if VAR has just one in its may_aliases list.
1472
1473 2005-06-10  Fariborz Jahanian <fjahanian@apple.com>
1474
1475         * rs6000/predicates.md (scc_operand): New.
1476         * rs6000/rs6000.md : Use scc_operand for eq:SI compares.
1477
1478 2005-06-10  Dorit Nuzman  <dorit@il.ibm.com>
1479
1480         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): DRs whose
1481         dependence-distance modulo VF is 0 are recorded in the 
1482         SAME_ALIGN_REFs VEC in each DR.
1483         (vect_enhance_data_refs_alignment): Avoid 80 column overflow. The
1484         alignment information of DRs that are in the SAME_ALIGN_REFs VEC of the
1485         DR we want to peel for, is set to 0.
1486         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Fix printout.
1487         * tree-vectorizer.c (destroy_loop_vec_info): Free the SAME_ALIGN_REFs
1488         VEC.
1489         * tree-vectorizer.h (dr_p): New type. Defined to use the VEC API.
1490         (_stmt_vec_info): Added new field same_align_refs.
1491         (STMT_VINFO_SAME_ALIGN_REFS): New macro.
1492
1493 2005-06-10  Nathan Sidwell  <nathan@codesourcery.com>
1494
1495         * vec.h (VEC_safe_grow): Append MEM_STAT_INFO.
1496
1497 2005-06-10  Alan Modra  <amodra@bigpond.net.au>
1498
1499         * config/rs6000/linux.h (NO_PROFILE_COUNTERS): Define.
1500         * config/rs6000/linux64.h (NO_PROFILE_COUNTERS): Define as 1.
1501         * config/rs6000/rs6000.c (output_function_profiler): Obey
1502         NO_PROFILE_COUNTERS.  Handle TARGET_SECURE_PLT.  Use "bcl 20,31"
1503         for -fPIC.  Delete save_lr and substitute its value into strings.
1504
1505 2005-06-09  Dale Johannesen  <dalej@apple.com>
1506
1507         * config/i386/i386.c (optimization_options):  Make -fno-math-errno
1508         the default on Darwin.
1509         * config/rs6000/rs6000.c (optimization_options):  Ditto.
1510         * doc/invoke.texi (-fno-math-errno): Document.
1511
1512 2005-06-09  Dale Johannesen  <dalej@apple.com>
1513
1514         * config/rs6000/rs6000.c (TARGET_INSN_VALID_WITHIN_DOLOOP):
1515         Change to TARGET_INVALID_WITHIN_DOLOOP.
1516
1517 2005-06-09  David Edelsohn  <edelsohn@gnu.org>
1518
1519         * config/rs6000/rs6000.md (eq): Convert to define_insn_and_split.
1520         * config/rs6000/predicates.md (scc_eq_operand): New.
1521
1522 2005-06-09  Kaz Kojima  <kkojima@gcc.gnu.org>
1523
1524         * config/sh/sh.md (mextr_rl): Set buffer size properly.
1525         (*mextr_lr): Likewise.
1526
1527 2005-06-09  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1528
1529         PR c/21759
1530         * c.opt (Wc++-compat): New.
1531         * doc/invoke.texi (-Wc++-compat): Document.
1532         * c-typeck.c (convert_for_assignment): Check for implicit
1533         conversion void* -> T*.
1534
1535 2005-06-09  Gabriel Dos Reis  <gdr@integrable-solutions.edu>
1536
1537         * machmode.h (to_machine_mode): New.
1538         * rtl.h (to_rtx_code): Likewise.
1539         * read-rtl.c (apply_mode_macro): Convert mode to machine_mode.
1540         (print_c_condition): Convert return value of htab_find().
1541         (apply_code_macro): Add explicit cast when convertin to enums.
1542         (apply_mode_maps): Likewise.
1543         (check_code_macro): Likewise.
1544         (read_rtx_1): Likewise.
1545
1546 2005-06-09  Richard Henderson  <rth@redhat.com>
1547
1548         * config/ia64/ia64.c (update_set_flags): Just return for IF_THEN_ELSE.
1549         Use SCALAR_FLOAT_MODE_P.
1550         * config/ia64/vect.md (vcondv2sf): Remove code check on comparison.
1551         (fselect): Rename from fpcmp; use %F.
1552         (fpcmp): New.
1553
1554 2005-06-09  Jan Hubicka  <jh@suse.cz>
1555
1556         * cgraphunit.c (cgraph_create_edges): Do not walk BLOCK; finalize
1557         local statics when doing unit-at-a-time.
1558         (cgraph_varpool_assemble_pending_decls): Output debug info.
1559         * dwarf2out.c (decls_for_scope): Skip local statics.
1560         (dwarf2out_decl): Handle local statics.
1561         * passes.c (rest_of_decl_compilation): Do not differentiate
1562         local and global statics in unit-at-a-time.
1563         * tree-inline.c (remap_decls): Put local static into
1564         unexpanded_vars_list rather than introducing duplicated VAR_DECL
1565         node.
1566
1567 2005-06-09  Daniel Berlin  <dberlin@dberlin.org>
1568
1569         * config/rs6000/rs6000.c: (rs6000_insn_valid_within_doloop): Fix
1570         prototype.
1571
1572 2005-06-08  Daniel Berlin  <dberlin@dberlin.org>
1573
1574         * Makefile.in (OBJS-common): Add tree-ssa-structalias.o.
1575         * tree-flow.h (find_what_p_points_to): Add prototype.
1576         (push_fields_onto_fieldstack): Ditto.
1577         (sort_fieldstack): Ditto.
1578         * tree-optimize.c (init_tree_optimization_passes): Add
1579         pass_build_pta and pass_del_pta.
1580         * tree-pass.h (pass_build_pta): New structure.
1581         (pass_del_pta): Ditto.
1582         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Disambiguate
1583         using new alias analyzer.
1584         (push_fields_onto_fieldstack): Removed from here.
1585         (bitpos_of_field): Ditto.
1586         (fieldoff_compare): Ditto.
1587         * tree-ssa-structalias.c: New file.
1588         * tree-ssa-structalias.h: Ditto.
1589
1590 2005-06-09  Nathan Sidwell  <nathan@codesourcery.com>
1591
1592         * c-typeck.c (build_c_cast): Check type punning on COMPONENT_REF
1593         too.
1594
1595 2005-06-09  Bernd Schmidt  <bernd.schmidt@analog.com>
1596
1597         * config/bfin/bfin.c (enum bfin_builtins): Moved here from...
1598         * config/bfin/bfin.h (enum bfin_builtins): ... here.
1599
1600 2005-06-09  Adrian Straetling  <straetling@de.ibm.com>
1601
1602         * target.h (insn_valid_within_doloop): Rename into
1603         "invalid_within_doloop".  Change return type to "const char *".
1604         Update Comment.
1605         * targhooks.h (default_insn_valid_within_doloop): Rename into
1606         "default_invalid_within_doloop". 
1607         * targhooks.c (default_insn_valid_within_doloop): Likewise.
1608         Update Comment.
1609         * target-def.h (TARGET_INSN_VALID_WITHIN_DOLOOP): Rename target hook
1610         into "TARGET_INVALID_WITHIN_DOLOOP". Default it to
1611         "default_invalid_within_doloop".
1612         * hooks.c (hook_constcharptr_rtx_null): New function.
1613         (hook_bool_rtx_true): Remove.
1614         * hooks.h (hook_constcharptr_rtx_null): Declare.
1615         (hook_bool_rtx_true): Remove.
1616         * loop-doloop.c (doloop_valid_p): Temporarily store return value of
1617         "invalid_within_doloop" and print error message if non-null.
1618         Update Comment.
1619         * doc/tm.texi: Update documentation.
1620         * config/s390/s390.c: Adjust to new hook name and new default hook.
1621         * config/rs6000/rs6000.c: (rs6000_insn_valid_within_doloop): Rename
1622         into "rs6000_invalid_within_doloop".
1623         (rs6000_invalid_within_doloop): Change return type to "static const
1624         char *" and replace return values.  Update Comment.
1625
1626 2005-06-09  Bernd Schmidt  <bernd.schmidt@analog.com>
1627
1628         * config/bfin/bfin.opt (mlong-calls): New.
1629         * config/bfin/predicates.md (call_insn_operand): Disallow SYMBOL_REF
1630         if TARGET_LONG_CALLS.
1631
1632 2005-06-09  Richard Henderson  <rth@redhat.com>
1633
1634         PR tree-opt/20610
1635         * tree.h (DECL_COMPLEX_GIMPLE_REG_P): New.
1636         (struct tree_decl): Add gimple_reg_flag.
1637         * integrate.c (copy_decl_for_inlining): Copy it.
1638         * gimplify.c (internal_get_tmp_var): Set it.
1639         (gimplify_bind_expr): Likewise.
1640         (gimplify_function_tree): Likewise.
1641         (gimplify_modify_expr_complex_part): New.
1642         (gimplify_modify_expr): Use it.
1643         * tree-gimple.c (is_gimple_reg_type): Allow complex.
1644         (is_gimple_reg): Allow complex with DECL_COMPLEX_GIMPLE_REG_P set.
1645
1646         * tree-complex.c (complex_lattice_t): New.
1647         (complex_lattice_values, complex_variable_components): New.
1648         (some_nonzerop, find_lattice_value, is_complex_reg,
1649         init_parameter_lattice_values, init_dont_simulate_again, 
1650         complex_visit_stmt, complex_visit_phi, create_components,
1651         update_complex_components, update_parameter_components, 
1652         update_phi_components, update_all_vops, expand_complex_move): New.
1653         (extract_component): Handle INDIRECT_REF, COMPONENT_REF, ARRAY_REF,
1654         SSA_NAME.
1655         (update_complex_assignment): Use update_complex_components;
1656         handle updates of return_expr properly.
1657         (expand_complex_addition): Use complex lattice values.
1658         (expand_complex_multiplication): Likewise.
1659         (expand_complex_division): Likewise.
1660         (expand_complex_libcall): Use update_complex_components.
1661         (expand_complex_comparison): Use update_stmt.
1662         (expand_complex_operations_1): Use expand_complex_move, retrieve
1663         lattice values.
1664         (tree_lower_complex): Compute lattice values.
1665         (tree_lower_complex_O0): Duplicate from tree_lower_complex.
1666         (pass_lower_complex_O0): Rename from pass_lower_complex.
1667         (pass_lower_complex, gate_no_optimization): New.
1668         * tree-optimize.c (init_tree_optimization_passes): Update for
1669         complex pass changes.
1670         * tree-pass.h (pass_lower_complex_O0): Declare.
1671
1672 2005-06-08  Dale Johannesen  <dalej@apple.com>
1673
1674         * config/darwin.c (darwin_binds_local_p):  New.
1675         * config/darwin-protos.h (darwin_binds_local_p):  Declare it.
1676         * config/i386/i386.c (TARGET_BINDS_LOCAL_P):  Use it for TARGET_MACHO.
1677         * config/rs6000/rs6000.c (rs6000_binds_local_p):  Remove.
1678         (TARGET_BINDS_LOCAL_P):  Change it to darwin_binds_local_p.
1679
1680 2005-06-08  Aldy Hernandez  <aldyh@redhat.com>
1681
1682         * config/rs6000/rs6000.h: Remove rs6000_long_double_size_string,
1683         rs6000_isel, rs6000_spe, rs6000_alignment_string,
1684         rs6000_sched_restricted_insns_priority_str,
1685         rs6000_sched_restricted_insns_priority, rs6000_abi_string.
1686
1687 2005-06-08  Zdenek Dvorak  <dvorakz@suse.cz>
1688
1689         * tree-ssa-address.c (addr_for_mem_ref): Use LAST_VIRTUAL_REGISTER
1690         instead of FIRST_PSEUDO_REGISTER for creating pseudoregisters.
1691         * tree-ssa-loop-ivopts.c (add_cost, multiply_by_cost,
1692         multiplier_allowed_in_address_p, get_address_cost): Ditto.
1693
1694 2005-06-08  Richard Henderson  <rth@redhat.com>
1695
1696         * config/ia64/ia64.h (NO_PROFILE_COUNTERS): New.
1697         * config/ia64/ia64.c (ia64_output_function_profiler): Honor it.
1698         Emit out3 load right after alloc.
1699
1700 2005-06-08  Aldy Hernandez  <aldyh@redhat.com>
1701
1702         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Use
1703         rs6000_explicit_options.
1704
1705 2005-06-08  Richard Henderson  <rth@redhat.com>
1706
1707         * config/ia64/ia64.h (FUNCTION_PROFILER): Move implementation ...
1708         * config/ia64/ia64.c (ia64_output_function_profiler): ... here; add
1709         unwind markup.
1710         * config/ia64/ia64-protos.h (ia64_output_function_profiler): Declare.
1711
1712 2005-06-08  Joseph S. Myers  <joseph@codesourcery.com>
1713
1714         * config/sol2-c.c (cmn_err_char_table): Allow width for %b
1715         formats.
1716
1717 2005-06-08  James A. Morrison  <phython@gcc.gnu.org>
1718
1719         PR target/20666
1720         * config/sparc/sparc.c (sparc_fold_builtin): New function
1721         (sparc_vis_mul8x16): New function.
1722         (sparc_handle_vis_mul8x16): New function.
1723         (TARGET_FOLD_BUILTIN): Define to sparc_fold_builtin.
1724
1725 2005-06-08  David Edelsohn  <edelsohn@gnu.org>
1726
1727         * config/rs6000/rs6000.md (call_indirect_nonlocal_aix32): Prefer
1728         CTR to LR.
1729         (call_indirect_nonlocal_aix64): Same.
1730         (call_value_indirect_nonlocal_aix32): Same.
1731         (call_value_indirect_nonlocal_aix64): Same.
1732
1733         PR target/10588
1734         (eq): Use CLZ splitter for compare with zero.
1735
1736 2005-06-08  Bernd Schmidt  <bernd.schmidt@analog.com>
1737
1738         * config/bfin/bfin.c (bfin_return_in_memory): Simplify; return
1739         everything larger than 8 bytes in memory.
1740
1741         * config/bfin/bfin.h (enum bfin_builtins): New.
1742         * config/bfin/bfin.md (UNSPEC_VOLATILE_CSYNC, UNSPEC_VOLATILE_SSYNC):
1743         New constants.
1744         (csync, ssync): New insn patterns.
1745         * config/bfin/bfin.c (bfin_init_builtins, bfin_expand_builtin):
1746         New functions.
1747         (def_builtin): New macro.
1748         (TARGET_INIT_BUILTINS, TARGET_EXPAND_BUILTIN): Define.
1749
1750         From Jie Zhang  <jie.zhang@analog.com>
1751         * config/bfin/bfin.h (ASM_OUTPUT_ALIGN): Gas now emulates the
1752         behavior of the native assembler in VDSP. So change accordingly.
1753         
1754 2005-06-08  Sebastian Pop  <pop@cri.ensmp.fr>
1755
1756         * tree-data-ref.c (compute_estimated_nb_iterations,
1757         analyze_array_indexes, compute_overlap_steps_for_affine_1_2,
1758         analyze_subscript_affine_affine, find_data_references_in_loop):
1759         Fixed to use chrec_contains_undetermined to test the values of
1760         loop->estimated_nb_iterations.
1761         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop):
1762         Compute the estimation only when loop->estimated_nb_iterations
1763         has not yet been initialized.
1764         (convert_step_widening, scev_probably_wraps_p): Add a call to
1765         estimate_numbers_of_iterations_loop.
1766         * tree-vrp.c (execute_vrp): Don't call estimate_numbers_of_iterations.
1767
1768 2005-06-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
1769
1770         PR debug/21946
1771         * dwarf2out.c (add_loc_descr_op_piece): Move to the
1772         DWARF2_DEBUGGING_INFO section.
1773
1774 2005-06-08  Richard Henderson  <rth@redhat.com>
1775
1776         PR target/21721
1777         * config/ia64/ia64.c (emit_predicate_relation_info): Skip p0.
1778
1779 2005-06-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
1780
1781         PR target/21889
1782         * target.h (gcc_target) <asm_out>: New field output_dwarf_dtprel.
1783         * target-def.h (TARGET_ASM_OUTPUT_DWARF_DTPREL): New macro.
1784         (TARGET_ASM_OUT): Add it.
1785         * doc/tm.texi (Debugging Info): Document it.
1786         * dwarf2out.c (output_loc_operands) <INTERNAL_DW_OP_tls_addr>:
1787         Test it instead of ASM_OUTPUT_DWARF_DTPREL.
1788         (loc_descriptor_from_tree_1) <VAR_DECL>: Likewise.
1789         * system.h: Poison ASM_OUTPUT_DWARF_DTPREL.
1790         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Delete.
1791         * config/frv/frv.c (frv_output_dwarf_dtprel): Make static and unused.
1792         (gen_inlined_tls_plt): Remove unused variable MEM.
1793         (TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to frv_output_dwarf_dtprel.
1794         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Delete.
1795         * config/i386/i386-protos.h (i386_output_dwarf_dtprel): Delete.
1796         * config/i386/i386.c (i386_output_dwarf_dtprel): Make static and
1797         unused.
1798         (TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to i386_output_dwarf_dtprel.
1799         * config/i386/i386.h (ASM_OUTPUT_DWARF_DTPREL): Delete.
1800         * config/ia64/ia64-protos.h (ia64_output_dwarf_dtprel): Delete.
1801         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Make static and
1802         unused.
1803         (TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to ia64_output_dwarf_dtprel.
1804         * config/ia64/ia64.h (ASM_OUTPUT_DWARF_DTPREL): Delete.
1805         * config/rs6000/rs6000-protos.h (rs6000_output_dwarf_dtprel): Delete.
1806         * config/rs6000/rs6000.c (rs6000_output_dwarf_dtprel): Make static and
1807         unused.
1808         (TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to rs6000_output_dwarf_dtprel
1809         * config/rs6000/rs6000.h (ASM_OUTPUT_DWARF_DTPREL): Delete.
1810         * config/s390/s390-protos.h (s390_output_dwarf_dtprel): Delete.
1811         * config/s390/s390.c (s390_output_dwarf_dtprel): Make static and
1812         unused.
1813         (TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to s390_output_dwarf_dtprel.
1814         * config/s390/s390.h (ASM_OUTPUT_DWARF_DTPREL): Delete.
1815         * config/sparc/sol2-gas.h (TARGET_SUN_TLS): Define to 0.
1816         (TARGET_GNU_TLS): Define to 1.
1817         * config/sparc/sparc-protos.h (sparc_output_dwarf_dtprel): Delete.
1818         * config/sparc/sparc.c (sparc_output_dwarf_dtprel): Make static and
1819         unused.
1820         (TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to sparc_output_dwarf_dtprel
1821         if TARGET_GNU_TLS only.
1822         * config/sparc/sparc.h (ASM_OUTPUT_DWARF_DTPREL): Delete.
1823
1824         * config.gcc (sparc64-*-solaris2*): Include tm-dwarf2.h last.
1825         (sparc-*-solaris2*): Likewise on Solaris 7 and up.
1826
1827 2005-06-07  Dale Johannesen  <dalej@apple.com>
1828
1829         * config/i386/i386.md (movqi_1):  Fix case where source
1830         is memory and destination EDI.
1831
1832 2005-06-08  Kazu Hirata  <kazu@codesourcery.com>
1833
1834         * config/c4x/c4x.h (PREDICATE_CODES): Remove mem_operand.
1835
1836 2005-06-07  Eric Christopher  <echristo@redhat.com>
1837
1838         * system.h: Poison EXTRA_CC_MODES.
1839         * config/frv/frv.h (SELECT_CC_MODE): Rewrite comment.
1840         * config/ia64/ia64.h (SELECT_CC_MODE): Ditto.
1841         * doc/md.texi (Jump Patterns): Replace reference to
1842         EXTRA_CC_MODES with machine-modes.def.
1843         * doc/rtl.texi (Machine Modes): Ditto.
1844
1845 2005-06-07  Richard Henderson  <rth@redhat.com>
1846
1847         * varasm.c (initialize_cold_section_name): Fix alloca buffer overflow.
1848         (assemble_start_function): Fix strcmp confusion.
1849
1850 2005-06-07  Uros Bizjak  <uros@kss-loka.si>
1851
1852         * config/i386/i386.h (enum ix86_entity): New.
1853         (enum ix86_stack_slot): New.
1854         (OPTIMIZE_MODE_SWITCHING): Redefine to use
1855         ix86_optimize_mode_switching[] array.
1856         (NUM_MODES_FOR_MODE_SWITCHING): Redefine for 4 entities.
1857         (MODE_NEEDED): Use ix86_mode_needed() function.
1858         (EMIT_MODE_SET): Redefine for changed emit_i387_cw_initialization ()
1859         function.
1860         (struct machine_function): Use optimize_mode_switching[] array.
1861
1862         * config/i386/i386.c (MAX_386_STACK_LOCALS): Remove.
1863         (ix86_mode_needed): New function.
1864         (emit_i387_cw_initialization): Cleanup. Use mode to calculate
1865         correct stack positions for stored control words.
1866         (assign_386_stack_local): Use enum ix86_stack_slot. Change assert.
1867         (ix86_expand_builtin) [IX86_BUILTIN_LDMXCSR]: Change constant to
1868         SLOT_TEMP.
1869         [IX86_BUILTIN_STMXCSR]: Same.
1870
1871         * config/i386/i386-protos.h (assign_stack_local): Change prototype.
1872         (emit_i387_cw_initialization): Change prototype.
1873         (ix86_mode_needed): New prototype.
1874
1875         * config/i386/i386.md (i387_cw attribute): Change order of elements.
1876         (truncdfsf2, truncxfsf2, truncxfdf2, fix_trunc<mode>_fisttp_i387_1)
1877         (*fix_trunc<mode>_i387_1, lrint<mode>2, *fist<mode>2_floor_1)
1878         (*fist<mode>2_ceil_1): Change constant in call to
1879         assign_386_stack_local to SLOT_TEMP.
1880         (*fix_trunc<mode>_i387_1): Change constant in call to
1881         assign_386_stack_local to SLOT_CW_STORED and SLOT_CW_TRUNC.
1882         Use new ix86_optimize_mode_switching[] array.
1883         (frndintxf2_floor, *fist<mode>2_floor_1): Change constants in call to
1884         assign_386_stack_local to SLOT_CW_STORED and SLOT_CW_FLOOR.
1885         Use new ix86_optimize_mode_switching[] array.
1886         (frndintxf2_ceil, *fist<mode>2_ceil_1):  Change constants in call to
1887         assign_386_stack_local to SLOT_CW_STORED and SLOT_CW_CEIL.
1888         Use new ix86_optimize_mode_switching[] array.
1889         (frndintxf2_trunc): Change constants in call to
1890         assign_386_stack_local to SLOT_CW_STORED and SLOT_CW_TRUNC.
1891         Use new ix86_optimize_mode_switching[] array.
1892         (frndintxf2_mask_pm): Change constants in call to
1893         assign_386_stack_local to SLOT_CW_STORED and SLOT_CW_MASK_PM.
1894         Use new ix86_optimize_mode_switching[] array.
1895
1896         (define_peephole2): Change constant from 17 to FLAGS_REG;
1897
1898 2005-06-07  Richard Henderson  <rth@redhat.com>
1899
1900         PR rtl-opt/21528
1901         * rtlanal.c (reg_overlap_mentioned_p) <MEM>: Handle 'E' formats.
1902
1903 2005-06-07  Dale Johannesen  <dalej@apple.com>
1904
1905         * tree-nested.c (finalize_nesting_tree_1):  Disable
1906         warn_padded around layout_type call.
1907
1908 2005-06-08  Zdenek Dvorak  <dvorakz@suse.cz>
1909
1910         * tree-ssa-loop-ivopts.c (rewrite_use_outer): Unshare the expression
1911         before emiting it.
1912
1913 2005-06-07  Eric Christopher  <echristo@redhat.com>
1914
1915         * config/mips/predicates.md: Revert previous patch.
1916
1917 2005-06-07  Jakub Jelinek  <jakub@redhat.com>
1918
1919         PR middle-end/21850
1920         * tree.c (get_unwidened): Stop at NOP_EXPR/CONVERT_EXPR that convert
1921         from vector types.
1922
1923 2005-06-07  Diego Novillo  <dnovillo@redhat.com>
1924
1925         * tree-ssa-threadupdate.c (struct thread_stats_d): Declare.
1926         (thread_stats): New local variable.
1927         (redirect_edges): Increment count of threaded edges.
1928         (thread_through_all_blocks): Initialize thread_stats.
1929         Display number of threaded jumps if TDF_STATS is enabled.
1930
1931 2005-06-07  Kazu Hirata  <kazu@codesourcery.com>
1932
1933         * sbitmap.h (sbitmap_iter_init): Consistently treat bit_num as
1934         the current bit index with no modulo.
1935
1936 2005-06-07  Sebastian Pop  <pop@cri.ensmp.fr>
1937
1938         PR 18403 and meta PR 21861.
1939         * Makefile.in (tree-chrec.o): Depend on CFGLOOP_H and TREE_FLOW_H.
1940         * tree-chrec.c: Include cfgloop.h and tree-flow.h.
1941         (evolution_function_is_invariant_rec_p,
1942         evolution_function_is_invariant_p): New.
1943         (chrec_convert): Use an extra parameter AT_STMT for refining the
1944         information that is passed down to convert_step.  Integrate the 
1945         code that was in count_ev_in_wider_type.
1946         * tree-chrec.h (count_ev_in_wider_type): Removed.
1947         (chrec_convert): Modify its declaration.
1948         (evolution_function_is_invariant_p): Declared.
1949         (evolution_function_is_affine_p): Use evolution_function_is_invariant_p.
1950         * tree-flow.h (can_count_iv_in_wider_type): Renamed convert_step.
1951         (scev_probably_wraps_p): Declared.
1952         * tree-scalar-evolution.c (count_ev_in_wider_type): Removed.
1953         (follow_ssa_edge_in_rhs, interpret_rhs_modify_expr):
1954         Use an extra parameter AT_STMT for refining the information that is
1955         passed down to convert_step.
1956         (follow_ssa_edge_inner_loop_phi, follow_ssa_edge,
1957         analyze_scalar_evolution_1): Initialize AT_STMT with the current
1958         analyzed statement.
1959         (instantiate_parameters_1): Don't know yet how to initialize AT_STMT.
1960         * tree-ssa-loop-ivopts.c (idx_find_step): Update the use of 
1961         can_count_iv_in_wider_type to use convert_step.
1962         * tree-ssa-loop-niter.c (can_count_iv_in_wider_type_bound): Move 
1963         code that is independent of the loop over the known iteration
1964         bounds to convert_step_widening, the rest is moved to
1965         proved_non_wrapping_p.
1966         (scev_probably_wraps_p): New.
1967         (can_count_iv_in_wider_type): Renamed convert_step.
1968         * tree-vrp.c (adjust_range_with_scev): Take an extra AT_STMT parameter.
1969         Use scev_probably_wraps_p for computing init_is_max.
1970         (vrp_visit_assignment): Pass the current analyzed statement to 
1971         adjust_range_with_scev.
1972         (execute_vrp): Call estimate_numbers_of_iterations for refining the 
1973         information provided by scev analyzer.
1974
1975 2005-06-07  Eric Christopher  <echristo@redhat.com>
1976
1977         * config/mips/predicates.md (sleu_operand): Use
1978         IN_RANGE to specify range of operand.
1979
1980 2005-06-07  Steven Bosscher  <stevenb@suse.de>
1981
1982         PR tree-optimization/21847
1983         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): With
1984         -fnon-call-exceptions, also mark statements inherently
1985         necessary if they may throw.
1986
1987 2005-06-07  Adrian Straetling  <straetling@de.ibm.com>
1988
1989         * config/s390/s390.md: ("UNSPECV_MB", "UNSPECV_CAS"): New constants.
1990         ("type"): Add "sem" to 'type' attribute.
1991         ("memory_barrier", "*memory_barrier", "sync_compare_and_swapdi",
1992         "sync_compare_and_swapsi", "sync_compare_and_swap_ccdi",
1993         "sync_compare_and_swap_ccsi", "*sync_compare_and_swap_ccdi",
1994         "*sync_compare_and_swap_ccsi"): New patterns.
1995         * config/s390/2064.md: ("z_sem"): New insn_reservation.
1996         * config/s390/2084.md: ("x_sem"): New insn_reservation.
1997         * config/s390/s390.c: (s390_compare_emitted): New global variable.
1998         (s390_emit_compare): Do not emit comparison again after cas.
1999         * config/s390/s390.h (s390_compare_emitted): Declare.
2000
2001 2005-06-07  Kazu Hirata  <kazu@codesourcery.com>
2002
2003         * sbitmap.h (sbitmap_iterator, sbitmap_iter_init,
2004         sbitmap_iter_cond, sbitmap_iter_next): New.
2005         * bt-load.c, cfganal.c, combine.c, ddg.c, flow.c,
2006         modulo-sched.c, sbitmap.c, sched-rgn.c, tree-into-ssa.c,
2007         tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Update
2008         uses of EXECUTE_IF_SET_IN_SBITMAP to the new style.
2009
2010 2005-06-07  Zdenek Dvorak  <dvorakz@suse.cz>
2011
2012         * tree-ssa-address.c: New file.
2013         * Makefile.in (tree-ssa-address.o): Add.
2014         * expr.c (expand_expr_real_1): Do not handle REF_ORIGINAL on
2015         INDIRECT_REFs.  Handle TARGET_MEM_REFs.
2016         * tree-eh.c (tree_could_trap_p): Handle TARGET_MEM_REFs.
2017         * tree-flow.h (struct mem_address): New.
2018         (struct affine_tree_combination): Moved from tree-ssa-loop-ivopts.c.
2019         (create_mem_ref, addr_for_mem_ref, get_address_description,
2020         maybe_fold_tmr, multiplier_allowed_in_address_p,
2021         multiply_by_cost):  Declare.
2022         * tree-mudflap.c (mf_xform_derefs_1): Handle TARGET_MEM_REFs.
2023         * tree-pretty-print.c (dump_generic_node): Ditto.
2024         * tree-ssa-loop-im.c (for_each_index): Ditto.
2025         * tree-ssa-loop-ivopts.c (may_be_unaligned_p,
2026         find_interesting_uses_address): Ditto.
2027         (rewrite_address_base, build_addr_strip_iref): Removed.
2028         (struct affine_tree_combination): Moved to tree-flow.h.
2029         (get_ref_tag, copy_ref_info): New functions.
2030         (rewrite_use_address): Produce TARGET_MEM_REFs.
2031         (tree_ssa_iv_optimize): Do not call update_ssa
2032         and rewrite_into_loop_closed_ssa.
2033         (tree_to_aff_combination): Use build_fold_addr_expr instead of
2034         build_addr_strip_iref.
2035         (unshare_aff_combination): New function.
2036         (fold_affine_sum): Removed.
2037         (get_computation_at): Use get_computation_aff.  Unshare the result.
2038         (get_computation_aff, multiplier_allowed_in_address_p): New function.
2039         (multiply_by_cost): Exported.
2040         (get_address_cost): Use multiplier_allowed_in_address_p.
2041         * tree-ssa-operands.c (get_tmr_operands): New function.
2042         (get_expr_operands): Handle TARGET_MEM_REFs.
2043         * tree.c (copy_node_stat): Copy annotations for TARGET_MEM_REFs.
2044         (build): Handle 7 arguments.
2045         (build7_stat): New function.
2046         * tree.def (TARGET_MEM_DEF): New.
2047         * tree.h (REF_ORIGINAL): Removed.
2048         (TMR_SYMBOL, TMR_BASE, TMR_INDEX, TMR_STEP, TMR_OFFSET, TMR_ORIGINAL,
2049         TMR_TAG, build7): New macros.
2050         (build7_stat, tree_mem_ref_addr, copy_mem_ref_info): Declare.
2051         * tree-ssa-ccp.c (fold_stmt_r): Call maybe_fold_tmr.
2052         * doc/c-tree.texi: Document TARGET_MEM_REF.
2053         * doc/tree-ssa.texi: Add TARGET_MEM_REF to gimple grammar.
2054
2055 2005-06-07  Jakub Jelinek  <jakub@redhat.com>
2056
2057         PR debug/21946
2058         * dwarf2out.c (add_loc_descr_op_piece): New function.
2059         (multiple_reg_loc_descriptor, concat_loc_descriptor,
2060         loc_descriptor): Use it.
2061         * var-tracking.c: Include regs.h and expr.h.
2062         (emit_note_insn_var_location): Skip over pieces where offset
2063         is smaller than previous offset plus previous piece mode size.
2064         Optimize adjacent hard registers or memory locations.
2065         * Makefile.in (var-tracking.o): Depend on $(REGS_H) and $(EXPR_H).
2066
2067 2005-06-07  Richard Guenther  <rguenth@gcc.gnu.org>
2068
2069         * c-typeck.c (c_finish_if_stmt): Use void_type_node as type
2070         for COND_EXPR.
2071         * gimplify.c (gimplify_cond_expr): No need to fix up the
2072         type of COND_EXPRs.
2073
2074 2005-06-07  Richard Guenther  <rguenth@gcc.gnu.org>
2075
2076         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Fix
2077         comments.
2078
2079 2005-06-07  Geoffrey Keating  <geoffk@apple.com>
2080
2081         * config/rs6000/host-darwin.c (segv_handler): Widen the possible
2082         'stwux' instructions that are considered to be stack decrements.
2083
2084         * rtlanal.c (subreg_offset_representable_p): Handle objects
2085         with holes.
2086
2087 2005-06-06  Uros Bizjak  <uros@kss-loka.si>
2088
2089         * mode-switching.c (optimize_mode_switching): Fix n_exprs parameter
2090         in call to pre_edge_lcm.
2091
2092 2005-06-06  Kaz Kojima  <kkojima@gcc.gnu.org>
2093
2094         * config/sh/linux-unwind.h (SH_DWARF_FRAME_XD0): Remove for SH5.
2095         (SH_DWARF_FRAME_PR, SH_DWARF_FRAME_GBR, SH_DWARF_FRAME_MACL)
2096         (SH_DWARF_FRAME_MACH, SH_DWARF_FRAME_PC, SH_DWARF_FRAME_FPUL):
2097         Likewise.
2098         (SH_DWARF_FRAME_FP0, SH_DWARF_FRAME_FPSCR): Define to the correct
2099         dwarf register number for SHmedia.
2100         (shmedia_fallback_frame_state): New.
2101         (MD_FALLBACK_FRAME_STATE_FOR): Define to it for SH5.
2102
2103         * config/sh/linux.h (FUNCTION_PROFILER): Provide SHMEDIA version.
2104
2105 2005-06-06  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2106
2107         * c-lex.c (lex_string): Use XOBFINISH.
2108         * collect2.c (extract_string, dump_file): Likewise.
2109         * dbxout.c (dbxout_finish_complex_stabs): Likewise.
2110         * gcc.c (init_spec, build_search_list, convert_filename, 
2111         set_collect_gcc_options, do_spec_2, do_spec_1, main): Likewise.
2112         * genpreds.c (write_predicate_subfunction): Likewise.
2113         * genflags.c (main): Likewise.
2114         * read-rtl.c (mode_attr_index, apply_macro_to_string, 
2115         join_c_conditions, read_quoted_string, read_braced_string, 
2116         read_rtx_1): Likewise.
2117         * stringpool.c (ggc_alloc_string): Likewise.
2118         * tlink.c (obstack_fgets, recompile_files): Likewise.
2119
2120 2005-06-06  Jakub Jelinek  <jakub@redhat.com>
2121
2122         * intl.h (G_): New macro.
2123         * rtl-error.c (error_for_asm, warning_for_asm): Use gmsgid
2124         instead of msgid for argument name.
2125         * tree-ssa.c (warn_uninit): Likewise.
2126         * c-parser.c (c_parser_error): Likewise.
2127         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
2128         * config/darwin-c.c (BAD): Likewise.
2129         * config/c4x/c4x-c.c (BAD): Likewise.
2130         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
2131         * c-errors.c (pedwarn_c99, pedwarn_c90): Likewise.
2132         * c-common.c (c_parse_error): Likewise.
2133         * diagnostic.c (diagnostic_set_info, verbatim, inform, warning,
2134         warning0, pedwarn, error, sorry, fatal_error, internal_error):
2135         Likewise.
2136         (fnotice): Use cmsgid instead of msgid for argument name.
2137         * gcov.c (fnotice): Likewise.
2138         * protoize.c (notice): Likewise.
2139         * final.c (output_operand_lossage): Likewise.
2140         * gcc.c (fatal, notice): Likewise.
2141         (error): Use gmsgid instead of msgid for argument name.
2142         * collect2.c (notice, fatal_perror, fatal): Use cmsgid instead
2143         of msgid for argument name.
2144         (error): Use gmsgid instead of msgid for argument name.
2145         * c-decl.c (locate_old_decl, implicit_decl_warning): Use G_()
2146         instead of N_().
2147         * c-typeck.c (readonly_error, convert_for_assignment): Likewise.
2148         * tree-inline.c (inline_forbidden_p_1): Likewise.
2149         * ABOUT-GCC-NLS: Require gettext 0.14.5 or later.  Mention the new
2150         conventions for marking translations.
2151         * doc/install.texi: Mention gettext 0.14.5 or later requirement.
2152
2153         * tree-chrec.c (reset_evolution_in_loop): Use build3 instead of
2154         build2.
2155
2156         * fold-const.c (operand_equal_p): Don't return 1, if element
2157         chains for 2 VECTOR_CSTs are not the same length.
2158
2159         PR regression/21897
2160         * fold-const.c (fold_ternary) <case BIT_FIELD_REF>: Don't crash if
2161         not all VECTOR_CST elements are given.
2162
2163         * combine.c (try_combine): Use hard_regno_nregs array instead of
2164         HARD_REGNO_NREGS macro.
2165         * config/rs6000/rs6000.c (rs6000_split_multireg_move,
2166         rs6000_register_move_cost, rs6000_memory_move_cost): Likewise.
2167         * config/ia64/ia64.c (mark_reg_gr_used_mask): Likewise.
2168
2169 2005-06-06  Daniel Berlin  <dberlin@dberlin.org>
2170
2171         * tree-ssa-reassoc.o: New.
2172         (OBJS-common): Add tree-ssa-reassoc.o
2173         * timevar.def: Add TV_TREE_REASSOC
2174         * tree-optimize.c (pass_reassoc): Add call.
2175         * tree-pass.h (pass_reassoc): Add.
2176         * tree-ssa-reassoc.c: New file.
2177
2178 2005-06-06  Eric Christopher  <echristo@redhat.com>
2179
2180         target/21927
2181         * expr.c (do_store_flag): Remove check for non-negative BRANCH_COST.
2182
2183 2005-06-06  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
2184
2185         * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Guard with
2186         HAVE_GAS_MAX_SKIP_P2ALIGN.
2187         (HAVE_AS_DWARF2_DEBUG_LINE): Remove.
2188
2189 2005-06-06  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
2190
2191         * Makefile.in (mips-tfile.o): Add $(srcdir)/../include prefix to
2192         getopt.h dependency.
2193         (mips-tdump.o): Likewise.
2194
2195 2005-06-06  Jan Hubicka  <jh@suse.cz>
2196
2197         * predict.c (tree_predict_edge): Don't drop useless predictions;
2198         check that it is not called too late in the game.
2199         (gate_estimate_probability): New gate.
2200         (pass_profile): Gate.
2201         * tree-mudflap.c (mf_build_check_statement_for): Do not drop
2202         predictions; update CFG instead.
2203         * cfgrtl.c (rtl_verify_flow_info): Check that predcitions are consumed.
2204
2205 2005-06-06  Jie Zhang  <jie.zhang@analog.com>
2206
2207         * config.gcc (bfin*-uclinux*): New.
2208         * config/bfin/uclinux.h: New file.
2209
2210 2005-06-06  Ben Elliston  <bje@au.ibm.com>
2211
2212         * doc/md.texi (Insn Splitting): Fix some wording.
2213
2214 2005-06-05  David Edelsohn  <edelsohn@gnu.org>
2215
2216         * config/rs6000/rs6000.c (rs6000_emit_swdivsf): New function.
2217         (rs6000_emit_swdivdf): New function.
2218         * config/rs6000/rs6000.md (fres): New pattern.
2219         (divsf3): Add approximation through rs6000_emit_swdivsf.
2220         (fred): New pattern.
2221         (divdf3): Add approximation through rs6000_emit_swdivdf.
2222         * config/rs6000/rs6000-protos.h (rs6000_emit_swdivsf): Declare.
2223         (rs6000_emit_swdivdf): Declare.
2224         * config/rs6000/rs6000.opt (mswdiv): New option.
2225         * doc/invoke.texi (RS/6000 and PowerPC Options): Document mswdiv.
2226
2227 2005-06-05  Zdenek Dvorak  <dvorakz@suse.cz>
2228
2229         PR tree-optimization/21846
2230         * tree-cfg.c (replace_uses_by): Update information stored at loops.
2231         * tree-flow.h (substitute_in_loop_info): Declare.
2232         * tree-scalar-evolution.c (initialize_scalar_evolutions_analyzer):
2233         Ensure that chrec_dont_know and chrec_known have a type.
2234         * tree-ssa-loop-niter.c (substitute_in_loop_info): New function.
2235
2236 2005-06-05  Steven Bosscher  <stevenb@suse.de>
2237
2238         * config/i386/i386.c (x86_use_loop): Remove.
2239         * config/i386/i386.h (x86_use_loop): Remove extern decl.
2240         (TARGET_USE_LOOP): Remove.
2241         * config/i386/i386.md (doloop_end, doloop_end_internal): Remove.
2242         Also remove related define_splits.
2243
2244 2005-06-05  Dorit Nuzman  <dorit@il.ibm.com>
2245
2246         * tree-flow.h (stmt_ann_d): Move aux to ...
2247         (tree_ann_common_d): ... here.
2248         * tree-ssa-loop-im.c (LIM_DATA, determine_invariantness_stmt,
2249         move_computations_stmt, schedule_sm): Update references to
2250         aux.
2251         * tree-vectorizer.h (set_stmt_info, vinfo_for_stmt): Likewise.
2252         * tree-vect-transform.c (vect_create_index_for_vector_ref): Update
2253         call to set_stmt_info.
2254         (vect_transform_loop): Likewise.
2255         * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info):
2256         Likewise.
2257
2258         * tree-vect-analyze.c (vect_analyze_scalar_cycles): Made void instead of
2259         bool.
2260         (vect_mark_relevant): Takes two additional arguments - live_p and
2261         relevant_p. Set RELEVANT_P and LIVE_P according to these arguments.
2262         (vect_stmt_relevant_p): Differentiate between a live stmt and a
2263         relevant stmt. Return two values = live_p and relevant_p.
2264         (vect_mark_stmts_to_be_vectorized): Call vect_mark_relevant and
2265         vect_stmt_relevant_p with additional arguments. Phis are no longer
2266         put into the worklist (analyzed seperately in analyze_scalar_cycles).
2267         (vect_determine_vectorization_factor): Also check for LIVE_P, because a
2268         stmt that is marked as irrelevant and live, cause it's only used out
2269         side the loop, may need to be vectorized (e.g. reduction).
2270         (vect_analyze_operations): Examine phis. Call
2271         vectorizable_live_operation for for LIVE_P stmts. Check if
2272         need_to_vectorize.
2273         (vect_analyze_scalar_cycles): Update documentation. Don't fail
2274         vectorization - just classify the scalar cycles created by the loop
2275         phis. Call vect_is_simple_reduction.
2276         (vect_analyze_loop): Call to analyze_scalar_cycles moved earlier.
2277         * tree-vect-transform.c (vect_create_index_for_vector_ref): Update
2278         call to set_stmt_info.
2279         (vect_get_vec_def_for_operand): Code reorganized - the code that
2280         classifies the type of use was factored out to vect_is_simple_use.
2281         (vectorizable_store, vect_is_simple_cond): Call vect_is_simple_use with
2282         additional arguments.
2283         (vectorizable_assignment): Likewise. Also make sure the stmt is relevant
2284         and computes a loop_vec_def.
2285         (vectorizable_operation, vectorizable_load, vectorizable_condition):
2286         Likewise.
2287         (vectorizable_live_operation): New.
2288         (vect_transform_stmt): Handle LIVE_P stmts.
2289         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new fields
2290         STMT_VINFO_LIVE_P and STMT_VINFO_DEF_TYPE.
2291         (new_loop_vec_info, destroy_loop_vec_info): Also handle phis.
2292         (vect_is_simple_use): Determine the type of the def and return it
2293         in a new function argument. Consider vect_reduction_def and
2294         vect_induction_def, but for now these are not supported.
2295         (vect_is_simple_reduction): New. Empty for now.
2296         * tree-vectorizer.h (vect_def_type): New enum type.
2297         (_stmt_vec_info): Added new fields - live and _stmt_vec_info.
2298         (STMT_VINFO_LIVE_P, STMT_VINFO_DEF_TYPE): New accessor macros.
2299         (vect_is_simple_use): New arguments added to function declaration.
2300         (vect_is_simple_reduction): New function declaration.
2301         (vectorizable_live_operation): New function declaration.
2302
2303         * tree-vect-analyze.c (vect_can_advance_ivs_p): Add debug printout.
2304         (vect_can_advance_ivs_p): Likewise.
2305         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Likewise.
2306
2307 2005-06-05  Eric Christopher  <echristo@redhat.com>
2308
2309         * config/mips/mips.c (mips_rtx_costs): Remove unused variable.
2310
2311 2005-06-05  Hans-Peter Nilsson  <hp@bitrange.com>
2312
2313         PR target/21914
2314         * config/mmix/mmix.md ("*movdicc_real_foldable")
2315         ("*movdfcc_real_foldable", "*bCC_foldable")
2316         ("*bCC_inverted_foldable"): Specify DImode for register being
2317         compared.
2318
2319 2005-06-04  Roger Sayle  <roger@eyesopen.com>
2320
2321         * reg-stack.c (struct block_info_def): Correct grammar typo.
2322         (compensate_edge): Clean-up.  Perform as little work as possible
2323         when src and dest stacks match.  Avoid modifying block_info.
2324         Reorder and simplify assertion checks.  Avoid unnecessary copying
2325         of regstack structure.
2326         (convert_regs_1): Set the done flag here...
2327         (convert_regs_2): ... instead of here.
2328
2329 2005-06-04  Dale Johannesen  <dalej@apple.com>
2330
2331         * config/rs6000/rs6000.c (no_global_regs_above): New.
2332         (rs6000_emit_prologue):  Use it; cosmetic formatting fixes.
2333         (rs6000_emit_epilogue):  Use it; cosmetic formatting fixes.
2334         (rs6000_conditional_register_usage): Don't put Darwin PIC
2335         register in global_regs.
2336         (rs6000_stack_info):  Don't set lr_save_p just because Darwin 
2337         PIC reg used.
2338         (rs6000_emit_prologue):  Save LR in R0 around Darwin PIC setup,
2339         if not done by lr_save_p.
2340         * config/rs6000/rs6000.md (insnv1_internal1):  Back out 05-18 patch.
2341         Use rotate instead of ashift.
2342         (call_indirect_nonlocal_sysv):  Prefer CTR to LR.
2343         (call_value_indirect_nonlocal_sysv):  Ditto.
2344
2345 2005-06-04  Jan Hubicka  <jh@suse.cz>
2346
2347         * cgraphunit.c (cgraph_reset_node): Break out from ...
2348         (cgraph_finalize_function): ... here.
2349         (cgraph_finalize_compilation_unit): Reset nodes where backend
2350         removed the body.
2351
2352 2005-06-04  Richard Henderson  <rth@redhat.com>
2353
2354         PR target/21888
2355         * config/alpha/alpha.c (alpha_align_insns): Don't insert nops
2356         until we've passed initial ldgp.
2357
2358 2005-06-04  Daniel Berlin  <dberlin@dberlin.org>
2359
2360         * cfgexpand.c (expand_one_var): Use DECL_HAS_VALUE_EXPR_P.
2361         * dwarf2out.c (loc_descriptor_from_tree_1): Ditto.
2362         * expr.c (expand_var): Ditto.   
2363         * function.c (gimplify_parameters): Use SET_DECL_VALUE_EXPR too.
2364         * gimplify.c (gimplify_decl_expr): Ditto.
2365         (gimplify_expr): Ditto.
2366         * tree-mudflap.c (mf_decl_eligible_p): Use DECL_HAS_VALUE_EXPR_P.
2367         * tree.c (value_expr_for_decl): New.
2368         (print_value_expr_statistics): New.
2369         (init_ttree): Init value_expr_for_decl.
2370         (decl_value_expr_lookup): New.
2371         (decl_value_expr_insert): Ditto.
2372         (copy_node_stat): Copy DECL_VALUE_EXPR status.
2373         * tree.h (DECL_VALUE_EXPR): Use hashtable.
2374         (SET_DECL_VALUE_EXPR): New.
2375         (DECL_HAS_VALUE_EXPR_P): New.
2376
2377 2005-06-04  Steven Bosscher  <stevenb@suse.de>
2378
2379         * lcm.c: Move all mode-switching related functions from here...
2380         * mode-switching.c: ...to this new file.
2381         * doc/passes.texi: Update accordingly.
2382
2383         * basic-block.h (label_value_list): Remove extern decl.
2384         * cfgrtl.c (label_value_list): Remove.
2385         (can_delete_label_p): Don't look at it.
2386         * cfgcleanup.c (cleanup_cfg): Don't free it.
2387
2388         * common.opt: Don't refer to non-existing flag_alias_check.
2389
2390 2005-06-04  David Edelsohn  <edelsohn@gnu.org>
2391
2392         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power5.
2393
2394 2005-06-04  Kazu Hirata  <kazu@codesourcery.com>
2395
2396         * function.c (prologue, epilogue, sibcall_epilogue): Change
2397         their types to VEC(int,heap)*.
2398         (free_after_compilation): Free the three vectors above.
2399         (init_function_for_compilation, record_insns, contains,
2400         prologue_epilogue_contains, sibcall_epilogue_contains,
2401         reposition_prologue_and_epilogue_notes): Use VEC instead of
2402         VARRAY.  (init_function_once): Remove.
2403         * function.h: Remove the prototype for init_function_once.
2404         * toplev.c (backend_init): Don't call init_function_once.
2405
2406 2005-06-04  Jan Hubicka  <jh@suse.cz>
2407
2408         * predict.c (tree_predict_edge): Do not predict entry edge and
2409         single succestor edge.
2410
2411 2005-06-04  Joseph S. Myers  <joseph@codesourcery.com>
2412
2413         PR c/21873
2414         * c-typeck.c (push_init_level): Don't pop levels without braces if
2415         implicit == 1.
2416
2417 2005-06-03  Sebastian Pop  <pop@cri.ensmp.fr>
2418         
2419         * tree-data-ref.c (compute_self_dependence): New function.
2420         (compute_all_dependences): Use it.
2421
2422 2005-06-03  Geoffrey Keating  <geoffk@apple.com>
2423
2424         * c-parser.c (c_parser_parms_declarator): Don't use chainon().
2425         (c_parser_expr_list): Don't use chainon().
2426
2427         * config/darwin.h (LINK_SPEC): Pass -syslibroot to linker
2428         when -isysroot passed.
2429
2430 2005-06-03  Joseph S. Myers  <joseph@codesourcery.com>
2431
2432         PR c/21879
2433         * c-decl.c (start_function): Restore label_context_stack_se and
2434         label_context_stack_vm  if returning with an error.
2435
2436 2005-06-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2437
2438         * configure.ac: Check declaration for asprintf, needed by
2439         libiberty.h. 
2440         * configure: Regenerate.
2441         * config.in: Likewise.
2442
2443 2005-06-03  Diego Novillo  <dnovillo@redhat.com>
2444
2445         * tree-ssa-dom.c (record_edge_info): Use last_basic_block to
2446         allocate info array.
2447         * tree-vrp.c (extract_range_from_unary_expr): Set resulting
2448         range to varying in cast expressions that change
2449         TYPE_PRECISION.
2450
2451 2005-06-03  Eric Christopher  <echristo@redhat.com>
2452
2453         * config/mips/mips.opt: Add RejectNegative to divide-breaks and
2454         divide-traps.
2455
2456 2005-06-03  Jan Hubicka  <jh@suse.cz>
2457
2458         * basic-block.h (remove_predictions_associated_with_edge): Declare.
2459         * cfg.c (remove_edge): Use it.
2460         * predict.c (remove_predictions_associated_with_edge): New function.
2461
2462 2005-06-03  Pat Haugen  <pthaugen@us.ibm.com>
2463
2464         * config/rs6000/rs6000.c (rs6000_conditional_register_usage):
2465         Clear call_realy_used_regs[r2] when ABI_AIX.
2466
2467 2005-06-03  Richard Guenther  <rguenth@gcc.gnu.org>
2468
2469         PR middle-end/21858
2470         * fold-const.c (fold_binary): Fix type mismatches in folding
2471         of comparisons.
2472
2473 2005-06-03  Kazu Hirata  <kazu@codesourcery.com>
2474
2475         * cgraph.c, cgraphunit.c, config/mips/mips.c: Fix comment
2476         typos.
2477
2478 2005-06-03  Joseph S. Myers  <joseph@codesourcery.com>
2479
2480         * collect2.c (maybe_unlink): Use unlink_if_ordinary.
2481
2482 2005-06-02  Bernd Schmidt  <bernd.schmidt@analog.com>
2483
2484         * reload1.c (reload): Revert my previous patch.
2485
2486 2005-06-03  Nick Clifton  <nickc@redhat.com>
2487
2488         * config/arm/semi.h (ASM_SPEC): Fix typo passing -mfloat-abi to
2489         assembler.
2490
2491 2005-06-03  Kazu Hirata  <kazu@codesourcery.com>
2492
2493         PR tree-optimization/21849
2494         * tree-ssa-copy.c (dump_copy_of): Call sbitmap_zero.
2495
2496 2005-06-02  Richard Henderson  <rth@redhat.com>
2497
2498         * Makefile.in (tree-vect-generic.o): New.
2499         (OBJS-common, GTFILES, s-gtype): Add it.
2500         * tree-complex.c (build_replicated_const, vector_inner_type,
2501         vector_last_type, vector_last_nunits, build_word_mode_vector_type,
2502         elem_op_func, tree_vec_extract, do_unop, do_binop, do_plus_minus,
2503         do_negate, expand_vector_piecewise, expand_vector_parallel, 
2504         expand_vector_addition, expand_vector_operation, 
2505         type_for_widest_vector_mode, expand_vector_operations_1, 
2506         gate_expand_vector_operations, expand_vector_operations, 
2507         pass_lower_vector_ssa): Move to tree-vect-generic.c.
2508         (tree_lower_complex): Rename from tree_lower_operations.
2509         (pass_lower_complex): Rename from pass_pre_expand.
2510         * tree-vect-generic.c: New file.
2511         * tree-pass.h (pass_lower_complex): Rename from pass_pre_expand.
2512         (pass_lower_vector): New.
2513         * tree-optimize.c (init_tree_optimization_passes): Update to match.
2514
2515 2005-06-02  Richard Henderson  <rth@redhat.com>
2516
2517         * modulo-sched.c (doloop_register_get): Protect against 
2518         doloop_end not defined.
2519
2520 2005-06-02  Kazu Hirata  <kazu@codesourcery.com>
2521
2522         * config/sh/sh.c (general_movsrc_operand,
2523         general_movdst_operand, arith_reg_operand, arith_reg_dest,
2524         logical_reg_operand, int_gpr_dest, fp_arith_reg_operand,
2525         fp_arith_reg_dest, arith_operand, arith_reg_or_0_operand,
2526         xor_operand, cmp_operand, logical_operand, and_operand,
2527         fpscr_operand, fpul_operand, symbol_ref_operand,
2528         commutative_float_operator, noncommutative_float_operator,
2529         unary_float_operator, binary_float_operator,
2530         binary_logical_operator, equality_comparison_operator,
2531         greater_comparison_operator, less_comparison_operator,
2532         shift_operator, logical_operator, target_reg_operand,
2533         target_operand, mextr_bit_offset, extend_reg_operand,
2534         trunc_hi_operand, extend_reg_or_0_operand, minuend_operand,
2535         general_extend_operand, ua_address_operand,
2536         cache_address_operand, inqhi_operand, sh_rep_vec, sh_1el_vec,
2537         sh_const_vec, ua_offset, sh_register_operand, cmpsi_operand,
2538         shift_count_reg_operand, shift_count_operand,
2539         unaligned_load_operand): Move to ...
2540         * config/sh/predicates.md: ... here.
2541         * config/sh/sh.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
2542         Remove.
2543
2544 2005-06-02  Andrew Pinski  <pinskia@physics.uc.edu>
2545
2546         * tree.c (build_common_builtin_nodes): Fix the return type on
2547         __builtin_memcmp.
2548
2549 2005-06-02  Richard Guenther  <rguenth@gcc.gnu.org>
2550
2551         * tree-ssa-loop-ivopts.c (build_addr_strip_iref): Remove.
2552         (find_interesting_uses_address): Use build_fold_addr_expr instead.
2553         (strip_offset_1): Likewise.
2554         (tree_to_aff_combination): Likewise.
2555
2556 2005-06-02  DJ Delorie  <dj@redhat.com>
2557
2558         * convert.c (convert_to_pointer): Avoid recursion if no conversion
2559         is needed.
2560
2561 2005-06-02  Richard Guenther  <rguenth@gcc.gnu.org>
2562
2563         * tree-chrec.c (chrec_fold_plus_1): Ensure we build
2564         binary operations with the correct types.
2565         * tree-ssa-loo-ivopts.c (idx_find_step): Use sizetype
2566         for all computation.
2567
2568 2005-06-02  Kazu Hirata  <kazu@codesourcery.com>
2569
2570         * tree-vrp.c, config/arm/arm.md, config/arm/arm1020e.md,
2571         config/rs6000/rs6000.md: Fix comment typos.  Follow splling
2572         conventions.
2573         * doc/install.texi: Fix a typo.
2574
2575 2005-06-02  Jan Hubicka  <jh@suse.cz>
2576
2577         * cgraphunit.c (cgraph_function_and_variable_visibility): Extern
2578         inline functions are not local.
2579
2580 2005-06-02  Kazu Hirata  <kazu@codesourcery.com>
2581
2582         * gimplify.c (gimplify_ctx): Change the type of case_labels to
2583         VEC from VARRAY.
2584         (gimplify_switch_expr, gimplify_case_label_expr): Adjust uses
2585         of case_labels.
2586
2587 2005-06-02  Richard Guenther  <rguenth@gcc.gnu.org>
2588
2589         * c-typeck.c (build_indirect_ref): Build INDIRECT_REF
2590         with correct type.
2591
2592 2005-06-02  Ulrich Weigand  <uweigand@de.ibm.com>
2593
2594         * config/s390/s390.c (s390_add_execute): Do not handle out-of-pool
2595         execute templates.
2596         (s390_dump_pool): Likewise.
2597         (s390_mainpool_start, s390_mainpool_finish): Likewise.
2598         (s390_chunkify_start): Likewise.
2599         (s390_dump_execute): Remove.
2600         (s390_reorg): Handle out-of-pool execute templates.
2601
2602 2005-06-02  Adrian Straetling  <straetling@de.ibm.com>
2603
2604         * optabs.c: (expand_bool_compare_and_swap): Emit barrier after
2605           unconditional jump.
2606
2607 2005-06-02  Jan Hubicka  <jh@suse.cz>
2608
2609         * cgraph.c (cgraph_node): Maintain master clones.
2610         (cgraph_remove_node): Likewise.
2611         (availability_names): New static variable.
2612         (dump_cgraph_node): Dump availability.
2613         (dump_cgraph_varpool_node): Likewise.
2614         (cgraph_is_master_clone, cgraph_master_clone,
2615         cgraph_function_body_availability,
2616         cgraph_variable_initializer_availability): New functions.
2617         * cgraph.h (availability): New enum.
2618         (struct cgraph_node): Add master_clone.
2619         (cgraph_is_master_clone, cgraph_master_clone,
2620         cgraph_function_body_availability,
2621         cgraph_variable_initializer_availability): Declare.
2622         * cgraphunit.c (cgraph_expand_function): Setcgraph_function_flags_ready.
2623         (cgraph_remove_unreachable_nodes): Remove unreachable nodes.
2624         * ipa-inline.c (cgraph_decide_inlining): Do not call
2625         cgraph_remove_unreachable_nodes.
2626
2627         * cgraphunit.c (cgraph_function_and_variable_visibility): Fix typo in
2628         previous patch.
2629
2630 2005-06-02  Diego Novillo  <dnovillo@redhat.com>
2631
2632         PR 21582
2633         * tree-vrp.c (nonnull_arg_p): New.
2634         (get_value_range): Call it.
2635
2636 2005-06-02  Eric Christopher  <echristo@redhat.com>
2637
2638         * config/mips/mips.h (processor_type): Remove PROCESSOR_DEFAULT,
2639         add PROCESSOR_MAX.
2640         (mips_rtx_cost_data): New datatype.
2641         (MEMORY_MOVE_COST): Use data from structure.
2642         (BRANCH_COST): Ditto.
2643         (LOGICAL_OP_NON_SHORT_CIRCUIT): Define to zero.
2644         * config/mips/mips.md (cpu): Rework for processor_type changes.
2645         * config/mips/mips.c (mips_cost): New variable.
2646         (DEFAULT_COSTS): Define.
2647         (mips_rtx_cost_data): New.
2648         (mips_rtx_costs): Use. Minor formatting changes. Use COSTS_N_INSNS
2649         for NEG cost. Add support for FLOAT, UNSIGNED_FLOAT, FIX,
2650         FLOAT_EXTEND, FLOAT_TRUNCATE, and SQRT.
2651         (override_options): Set cost data.
2652         (mips_register_move_cost): Formatting changes.
2653         (bdesc_arrays): Use PROCESSOR_MAX.
2654         (mips_init_builtins): Ditto.
2655
2656 2005-06-02  Diego Novillo  <dnovillo@redhat.com>
2657
2658         PR 21765
2659         * doc/invoke.texi: Document -ftree-vrp.
2660
2661 2005-06-02  Dorit Nuzman  <dorit@il.ibm.com>
2662
2663         PR tree-optimization/21734
2664         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop): Use the
2665         phi_result when current_def is not available.
2666         (slpeel_update_phi_nodes_for_guard1): Don't fail if current_def is not
2667         available.      
2668
2669 2005-06-02  David Edelsohn  <edelsohn@gnu.org>
2670
2671         * config/rs6000/rs6000.c (rs6000_insn_valid_within_doloop): New.
2672         (TARGET_INSN_VALID_WITHIN_DOLOOP): Define.
2673
2674 2005-06-02  Diego Novillo  <dnovillo@redhat.com>
2675
2676         * tree-vrp.c (has_assert_expr, maybe_add_assert_expr): Remove.
2677
2678 2005-06-02  Jan Hubicka  <jh@suse.cz>
2679
2680         * cgraph.c (dump_cgraph_node): Print new flags.
2681         (dump_cgraph_varpool_node): Likewise.
2682         (decide_variable_is_needed): Initialize externally_visible flag.
2683         * cgraph.h (cgraph_local_info): Add externally_visible flag.
2684         (cgraph_varpool_node): Likewise.
2685         (cgraph_function_flags_ready): Declare.
2686         * cgraph.c (cgraph_mark_local_functions): Rename to ...
2687         (cgraph_function_and_variable_visibility) ... this one; handle
2688         externally_visible flags.
2689         (decide_is_function_needed): Set externally_visible flag.
2690         (cgraph_finalize_function): Deal properly with early cleanups.
2691         (cgraph_optimize): Update call of
2692         cgraph_function_and_variable_visibility.
2693
2694 2005-06-02 Steven Bosscher  <stevenb@suse.de>
2695            Mostafa Hagog <mustafa@il.ibm.com>
2696
2697         * cfgloop.h (doloop_condition_get): Make external.
2698         * loop-doloop.c (doloop_condition_get): Generalize to make it
2699         usable in modulo-sched.c.
2700         * modulo-sched.c (doloop_register_get): Use
2701         doloop_condition_get instead of duplicating it.
2702
2703 2005-06-02  Bernd Schmidt  <bernd.schmidt@analog.com>
2704
2705         * reload1.c (reload): Undo 2005-04-20 change.  Make sure we detect
2706         the correct set of init_insns that need deletion.
2707         * local-alloc.c (update_equiv_regs): When substituting sole definition
2708         into sole use of a reg, delete it from liveness information.
2709
2710 2005-06-02  Kaz Kojima  <kkojima@gcc.gnu.org>
2711
2712         * config/sh/sh.h (TARGET_FPU_DOUBLE): Use MASK_SH4.
2713
2714 2005-06-01  Diego Novillo  <dnovillo@redhat.com>
2715
2716         PR 14341, PR 21332, PR 20701, PR 21029, PR 21086, PR 21090
2717         PR 21289, PR 21348, PR 21367, PR 21368, PR 21458.
2718         * fold-const.c (invert_tree_comparison): Make extern.
2719         * tree-flow.h (enum value_range_type): Move to tree-ssa-propagate.
2720         (struct value_range_def): Limewise.
2721         (get_value_range): Remove.
2722         (dump_value_range): Remove.
2723         (dump_all_value_ranges): Remove.
2724         (debug_all_value_ranges): Remove.
2725         (vrp_evaluate_conditional): Declare.
2726         * tree-ssa-propagate.c (struct prop_stats_d): Add field
2727         num_pred_folded.
2728         (substitute_and_fold): Add argument use_ranges_p.
2729         Update all callers.
2730         If use_ranges_p is true, call fold_predicate_in to fold
2731         predicates using range information.
2732         Ignore ASSERT_EXPRs.
2733         Change debugging output to only show statements that have been
2734         folded.
2735         (replace_phi_args_in): Move debugging output code from
2736         substitute and fold.
2737         (fold_predicate_in): New local function.
2738         * tree-ssa-propagate.h (enum value_range_type): Move from
2739         tree-flow.h.
2740         (struct value_range_d): Likewise.
2741         Add field 'equiv'. 
2742         (value_range_t): Rename from value_range.
2743         * tree-vrp.c (found_in_subgraph): Rename from found.
2744         (get_opposite_operand): Remove.
2745         (struct assert_locus_d): Declare.
2746         (assert_locus_t): Declare.
2747         (need_assert_for): Declare.
2748         (asserts_for): Declare.
2749         (blocks_visited): Declare.
2750         (vr_value): Declare.
2751         (set_value_range): Add argument 'equiv'.
2752         Don't drop to VARYING ranges that cover all values in the
2753         type.
2754         Make deep copy of equivalence set 'equiv'.
2755         (copy_value_range): New local function.
2756         (set_value_range_to_undefined): New local function.
2757         (compare_values): Return -2 if either value has overflowed.
2758         (range_includes_zero_p): New local function.
2759         (extract_range_from_assert): Flip the predicate code if the
2760         name being asserted is on the RHS of the predicate.
2761         Avoid creating unnecessary symbolic ranges if the comparison
2762         includes another name with a known numeric range.
2763         Update the equivalnce set of the new range when asserting
2764         EQ_EXPR predicates.
2765         (extract_range_from_ssa_name): Update the equivalence set of
2766         the new range with VAR.
2767         (extract_range_from_binary_expr): Also handle TRUTH_*_EXPR.
2768         If -fwrapv is used, set the resulting range to VARYING if the
2769         operation overflows.  Otherwise, use TYPE_MIN_VALUE and
2770         TYPE_MAX_VALUE to represent -INF and +INF.
2771         Fix handling of *_DIV_EXPR.
2772         (extract_range_from_unary_expr): Handle MINUS_EXPR and
2773         ABS_EXPR properly by switching the range around if necessary.
2774         (extract_range_from_comparison): New local function.
2775         (extract_range_from_expr): Call it.
2776         (adjust_range_with_scev): Do not adjust the range if using
2777         wrapping arithmetic (-fwrapv).
2778         (dump_value_range): Also show equivalence set.
2779         Show -INF and +INF for TYPE_MIN_VALUE and TYPE_MAX_VALUE.
2780         (build_assert_expr_for): Also build ASSERT_EXPR for EQ_EXPR.
2781         (infer_value_range): Change return value to bool.
2782         Add arguments 'comp_code_p' and 'val_p'.
2783         Do not attempt to infer ranges from statements that may throw.
2784         Store the comparison code in comp_code_p.
2785         Store the other operand to be used in the predicate in val_p.
2786         (dump_asserts_for): New.
2787         (debug_asserts_for): New.
2788         (dump_all_asserts): New.
2789         (debug_all_asserts): New.
2790         (register_new_assert_for): New.
2791         (register_edge_assert_for): New.
2792         (find_conditional_asserts): New.
2793         (find_assert_locations): New.
2794         (process_assert_insertions_for): New.
2795         (process_assert_insertions): New.
2796         (insert_range_assertions): Initialize found_in_subgraph,
2797         blocks_visited, need_assert_for and asserts_for.
2798         Call find_assert_locations and process_assert_insertions.
2799         (remove_range_assertions): Add more documentation.
2800         (vrp_initialize): Change return type to void.
2801         Do not try to guess if running VRP is worth it.  
2802         (compare_name_with_value): New.
2803         (compare_names): New.
2804         (vrp_evaluate_conditional): Add argument 'use_equiv_p'.  If
2805         use_equiv_p is true, call compare_names and
2806         compare_name_with_value to compare all the ranges for every
2807         name in the equivalence set of the predicate operands.
2808         Update all callers.
2809         (vrp_meet): Try harder not to derive a VARYING range.
2810         If two values meet, the resulting equivalence set is the
2811         intersection of the two equivalence sets.
2812         (vrp_visit_phi_node): Call copy_value_range to get the current
2813         range information of the LHS.
2814         (vrp_finalize): Create a value vector representing all the
2815         names that ended up with exactly one value in their range.
2816         Call substitute_and_fold.
2817         (execute_vrp): Document equivalence sets in ranges.
2818         * tree.h (SSA_NAME_VALUE_RANGE): Remove.
2819         (struct tree_ssa_name): Remove field value_range.
2820         (invert_tree_comparison): Declare.
2821
2822 2005-06-01  Daniel Berlin  <dberlin@dberlin.org>
2823
2824         Fix PR tree-optimization/21839
2825
2826         * gimplify.c (zero_sized_field_decl): New function.
2827         (gimplify_init_ctor_eval): Use it.
2828
2829 2005-06-01  Josh Conner <jconner@apple.com>
2830
2831         PR 21478
2832         * gimplify.c (gimplify_init_constructor): Don't spill initializer
2833         to read-only memory if it's sparse.
2834
2835 2005-06-01  Ramana Radhakrishnan  <ramana@codito.com>
2836
2837         * doc/rtl.texi: Remove references to NOTE_INSN_SETJMP. 
2838         Add documentation for REG_SETJMP
2839
2840 2005-06-01  Richard Guenther  <rguenth@gcc.gnu.org>
2841
2842         * stmt.c (expand_case): Use build_int_cst.
2843         (node_has_low_bound): Likewise, and correct type mismatch.
2844         (node_has_high_bound): Likewise.
2845         * fold-const.c (fold_binary): Ensure we build trees
2846         with the correct types - undo what STRIP_NOPS possibly did.
2847
2848 2005-06-01  Richard Guenther  <rguenth@gcc.gnu.org>
2849
2850         * tree.h (fold_indirect_ref_1): Export from fold-const.c.
2851         * fold-const.c (fold_indirect_ref_1): No longer static.
2852         * tree-inline.c (copy_body_r): Use fold_indirect_ref_1 for
2853         folding, if possible.
2854
2855 2005-06-01  Joseph S. Myers  <joseph@codesourcery.com>
2856
2857         * common.opt (fjump-tables): New.
2858         * doc/invoke.texi (-fno-jump-tables): Document.
2859         * stmt.c (expand_end_case_type): Do not emit jump tables unless
2860         flag_jump_tables.
2861
2862 2005-06-01  Richard Earnshaw  <richard.earnshaw@arm.com>
2863
2864         * arm.md (bunordered, bordered, bungt, bunlt, bunge, bunle, buneq)
2865         (bltgt, arm_buneq, arm_bltgt, sunordered, sordered, sungt, sunge)
2866         (sunlt, sunle): Enable patterns on VFP.
2867
2868         * arm.md (attribute 'type'): Add new types - f_loads floadd, f_stores,
2869         f_stored, f_flag, f_cvt.
2870         (generic_sched): No-longer used for the arm1020e and arm1022e cores.
2871         Include arm1020e.md.
2872         * vfp.md (fmstat): New cpu unit.  Add an exclusion set between it and
2873         the ds and fmac pipelines.  Re-work all load and store patterns and
2874         all conversion patterns to use new attributes.  Adjust reservation
2875         descriptions accordingly.
2876         * arm1020e.md: New file.
2877         * t-arm: Add dependency.
2878
2879 2005-06-01  Jan Hubicka  <jh@suse.cz>
2880
2881         * except.c (struct eh_region): Kill unused fields.
2882         * basic-block.h (struct basic_block_def): Likewise.
2883
2884 2005-06-01  J"orn Rennecke <joern.rennecke@st.com>
2885
2886         PR rtl-optimization/21767
2887         * rtl.h (function_invariant_p): Re-add declaration.
2888         * reload1.c (function_invariant_p): No longer static.
2889         * ifcvt.c (dead_or_predicable): Remove REG_EQUAL notes that
2890         might have become invalid.
2891
2892 2005-06-01  Jakub Jelinek  <jakub@redhat.com>
2893
2894         PR c/21536
2895         PR c/20760
2896         * gimplify.c (gimplify_decl_expr): Call gimplify_type_sizes
2897         on variable sizes types if a decl is a pointer to a VLA.
2898         (gimplify_type_sizes): Handle POINTER_TYPE and REFERENCE_TYPE.
2899         Call gimplify_type_sizes on aggregate fields.  Prevent infinite
2900         recursion.
2901
2902         * fold-const.c (fold_ternary): Optimize BIT_FIELD_REF of VECTOR_CST.
2903
2904         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss, _mm_set1_ps,
2905         _mm_set_ps, _mm_setr_ps): Add __extension__.
2906         * config/i386/emmintrin.h (_mm_set_sd, _mm_set1_pd, _mm_set_pd,
2907         _mm_setr_pd, _mm_setzero_pd, _mm_set_epi64x, _mm_set_epi64x,
2908         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128):
2909         Likewise.
2910         (_mm_clflush): Don't use return in void function.
2911
2912         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128,
2913         _mm_castps_pd, _mm_castps_si128, _mm_castsi128_ps, _mm_castsi128_pd):
2914         Use __inline instead of inline.
2915
2916 2005-06-01  Richard Guenther  <rguenth@gcc.gnu.org>
2917
2918         * fold-const.c (fold_binary): Fix types in strlen vs.
2919         zero comparison folding.
2920
2921 2005-06-01  Richard Henderson  <rth@redhat.com>
2922
2923         * configure.ac (HAVE_AS_JSRDIRECT_RELOCS): New.
2924         * config.in, configure: Rebuild.
2925         * config/alpha/alpha.c (print_operand): Add 'j'.
2926         * alpha.md (divmodsi_internal_er_1): Use it.
2927         (divmoddi_internal_er_1): Likewise.
2928
2929 2005-06-01  Richard Sandiford  <rsandifo@redhat.com>
2930
2931         * system.h (TARGET_OPTIONS, TARGET_SWITCHES): Poison.
2932         * opts.h (print_filtered_help): Delete.
2933         * opts.c (handle_option, decode_options): Remove calls to
2934         set_target_switch.
2935         (print_target_help): New function.
2936         (common_option, print_help): Call print_target_help instead of
2937         display_target_options.
2938         (print_filtered_help): Make static.
2939         * toplev.h (display_target_options, set_target_switch): Delete.
2940         * toplev.c (target_switches, target_options, display_target_options)
2941         (set_target_switch): Delete.
2942         (print_switch_values): Remove handling of TARGET_SWITCHES and
2943         TARGET_OPTIONS.
2944         (default_get_pch_validity): Likewise.  Only treat target_flags
2945         specially if targetm.check_pch_target_flags is nonnull.
2946         (pch_option_mismatch): New function.
2947         (default_pch_valid_p): Use it.  Remove handling of TARGET_SWITCHES
2948         and TARGET_OPTIONS.  Only treat target_flags specially if
2949         targetm.check_pch_target_flags is nonnull.
2950         * config/ia64/ia64.c (ia64_override_options): Don't mention
2951         TARGET_OPTIONS in comment.
2952         * config/m68k/m68k-none.h (CC1_SPEC): Likewise.
2953         * doc/invoke.texi: Remove a reference to TARGET_SWITCHES.
2954         * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS): Don't mention the
2955         interaction with TARGET_SWITCHES.
2956         (TARGET_@var{featurename}, TARGET_SWITCHES, TARGET_OPTIONS): Delete.
2957
2958 2005-06-01  Richard Sandiford  <rsandifo@redhat.com>
2959
2960         * config/sh/sh.c (multcosts): Check sh_multcost rather than
2961         sh_multcost_str.
2962         (sh_register_move_cost): Likewise sh_gettrcost and sh_gettrcost_str.
2963         (sh_multcost_str, sh_gettrcost_str, sh_div_str, sh_divsi3_libfunc)
2964         (cut2_workaround_str): Delete.
2965         * config/sh/sh.h (SUBTARGET_OPTIONS, TARGET_OPTIONS)
2966         (TARGET_SH5_CUT2_WORKAROUND, sh_multcost_str, sh_gettrcost_str)
2967         (sh_div_str, sh_divsi3_libfunc, cut2_workaround_str): Delete.
2968         * config/sh/sh.opt (mcut2-workaround, mdiv=, mdivsi3_libfunc=)
2969         (mgettrcost=, multcost=): New options.
2970
2971 2005-06-01  Richard Sandiford  <rsandifo@redhat.com>
2972
2973         * opts.h (cl_option_state): New structure.
2974         (get_option_state): Declare.
2975         * opts.c (get_option_state): New function.
2976         * toplev.c (option_affects_pch_p): New function.
2977         (default_get_pch_validity): Store the state of all options for which
2978         option_affects_pch_p returns true.
2979         (default_pch_valid_p): Check the state of those options here.
2980         Only check target_flags separately if targetm.check_pch_target_Flags
2981         is nonnull or if TARGET_SWITCHES is defined.
2982
2983 2005-06-01  Richard Sandiford  <rsandifo@redhat.com>
2984
2985         * config/mips/mips-protos.h (mips_use_ins_ext_p): Remove parameter
2986         names.
2987
2988 2005-06-01 Mostafa Hagog <mustafa@il.ibm.com>
2989
2990         * modulo-sched.c (undo_generate_reg_moves ): Fix PR 21138.
2991
2992 2005-06-01 Mostafa Hagog <mustafa@il.ibm.com>
2993
2994         * gcse.c (compute_transp, load_killed_in_block): Use 
2995         MEM_READONLY_P.
2996
2997 2005-06-01  David.Billinghurst  <David.Billinghurst@riotinto.com>
2998
2999         PR target/21854
3000         * config/mips/mips-protos.h: Declare mips_use_ins_ext_p
3001         
3002 2005-05-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3003
3004         * errors.h (warning, error, fatal, internal_error): Add printf
3005         attribute.
3006         * genmodes.c (make_vector_mode): Fix format arguments.
3007
3008 2005-05-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3009
3010         * basic-block.h, bb-reorder.c, c-gimplify.c, config/darwin.c,
3011         config/rs6000/rs6000-c.c, dominance.c, gimple-low.c, gimplify.c,
3012         lambda-code.c, lambda-trans.c, tree-browser.c, tree-cfg.c,
3013         tree-chrec.c, tree-data-ref.c, tree-dfa.c, tree-eh.c,
3014         tree-if-conv.c, tree-into-ssa.c, tree-loop-linear.c,
3015         tree-mudflap.c, tree-nomudflap.c, tree-outof-ssa.c,
3016         tree-pretty-print.c, tree-scalar-evolution.c, tree-sra.c,
3017         tree-ssa-ccp.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
3018         tree-ssa-dse.c, tree-ssa-forwprop.c, tree-ssa-live.c,
3019         tree-ssa-operands.c, tree-ssa-phiopt.c, tree-ssa-pre.c,
3020         tree-ssa-propagate.c, tree-ssa-sink.c, tree-ssa-threadupdate.c,
3021         tree-ssa-uncprop.c, tree-ssa.c, tree-vect-analyze.c,
3022         tree-vect-transform.c, tree-vectorizer.c, vec.c: Don't include
3023         errors.h and include toplev.h if necessary.
3024         
3025         * rtl.c, varray.c: If we're compiling as a GENERATOR_FILE, include
3026         errors.h otherwise include toplev.h.
3027         
3028         * Makefile.in: Update dependencies.
3029         
3030 2005-06-01  Danny Smith  <dannysmith@users.sourceforge.net>
3031
3032         * config/i386/cygming.h (NO_PROFILE_COUNTERS): Define.
3033
3034 2005-05-31  Geoffrey Keating  <geoffk@geoffk.org>
3035
3036         * config/rs6000/rs6000.md (sync_boolcshort_internal): New.
3037         * config/rs6000/rs6000.c (rs6000_emit_sync): Shift count must
3038         be complemented for big-endian.  Mask for AND must be rotated,
3039         not shifted.  Handle short operands with NOT on the memory
3040         operation.
3041
3042 2005-05-30  Daniel Berlin  <dberlin@dberlin.org>
3043
3044         * c-objc-common.c (c_tree_printer): Check flag before hashtable.
3045         Use DECL_DEBUG_EXPR and SET_DECL_DEBUG_EXPR.
3046         * dwarf2out.c (dwarf2out_var_location): Ditto.
3047         * toplev.c (default_tree_printer): Ditto.
3048         * tree-outof-ssa.c (create_temp): Ditto.
3049         * tree-sra.c (instantiate_element): Ditto.
3050         * var-tracking.c (track_expr_p): Ditto.
3051         * tree.c (struct tree_map): New structure.
3052         (debug_expr_for_decl): New.
3053         (tree_map_eq): New function.
3054         (tree_map_hash): Ditto.
3055         (tree_map_marked_p): Ditto.
3056         (print_debug_expr_statistics): Ditto.
3057         (decl_debug_expr_lookup): Ditto.
3058         (decl_debug_expr_insert): Ditto.
3059         (dump_tree_statistics): Dump debug_expr hashtable stats.
3060         * tree.h (DECL_DEBUG_EXPR): Change
3061         (SET_DECL_DEBUG_EXPR): Add.
3062         
3063 2005-06-01  Alan Modra  <amodra@bigpond.net.au>
3064
3065         * configure.ac: Add --enable-secureplt.
3066         (HAVE_AS_REL16): Test for R_PPC_REL16 relocs.
3067         * config.in: Regenerate.
3068         * configure: Regenerate.
3069         * config.gcc (powerpc64-*-linux*, powerpc-*-linux*): Add
3070         rs6000/secureplt.h to tm_file when enable_secureplt.
3071         * doc/invoke.texi (msecure-plt, mbss-plt): Document.
3072         * doc/install.texi: Document --enable-targets and --enable-secureplt.
3073         Correct xrefs to "Using the GNU Compiler Collection (GCC)".
3074         * config/rs6000/secureplt.h: New file.
3075         * config/rs6000/sysv4.h (TARGET_SECURE_PLT): Define.
3076         (SUBTARGET_OVERRIDE_OPTIONS): Error if -msecure-plt given without
3077         assembler support.
3078         (CC1_SECURE_PLT_DEFAULT_SPEC): Define.
3079         (CC1_SPEC): Delete duplicate mno-sdata.  Invoke cc1_secure_plt_default.
3080         (SUBTARGET_EXTRA_SPECS): Add cc1_secure_plt_default.
3081         * config/rs6000/sysv4.opt (msecure-plt, bss-plt): Add options.
3082         * config/rs6000/rs6000.h (TARGET_SECURE_PLT): Define.
3083         * config/rs6000/rs6000.c (rs6000_emit_load_toc_table): Handle
3084         TARGET_SECURE_PLT got register load sequence.
3085         (rs6000_emit_prologue): Call rs6000_emit_load_toc_table when
3086         TARGET_SECURE_PLT.
3087         (rs6000_elf_declare_function_name): Don't emit toc address offset
3088         word when TARGET_SECURE_PLT.
3089         * config/rs6000/rs6000.md (elf_high, elf_low): Move past load_toc_*.
3090         (load_toc_v4_PIC_1) Enable for TARGET_SECURE_PLT.
3091         (load_toc_v4_PIC_3b, load_toc_v4_PIC_3c): New insns.
3092         (call, call_value): Mark pic_offset_table_rtx used for sysv pic and
3093         TARGET_SECURE_PLT.
3094         (call_nonlocal_sysv, call_value_nonlocal_sysv, sibcall_nonlocal_sysv,
3095         sibcall_value_nonlocal_sysv): Add 32768 offset when TARGET_SECURE_PLT
3096         and -fPIC.
3097         * config/rs6000/tramp.asm (trampoline_initial): Use "bcl 20,31".
3098         (__trampoline_setup): Likewise.  Init r30 before plt call.
3099
3100 2005-05-31  DJ Delorie  <dj@redhat.com>
3101
3102         * expr.c (convert_move): When a partial_int requires multiple
3103         conversion steps, make sure successive steps convert the
3104         intermediate value, not the original value.
3105
3106         * expmed.c (expand_mult): Convert partial_int multiplies to
3107         shift/add combinations too.
3108
3109         * genmodes.c (mode_data): Add wider_2x.
3110         (calc_wider_mode): Calculate twice-wider mode too.
3111         (emit_mode_wider): Emit twice-wider mode too.
3112         * machmode.h (mode_2xwider, GET_MODE_2XWIDER_MODE): New.
3113         * expr.c (expand_expr_real_1): Use it for expanding
3114         multiplies.
3115
3116 2005-05-31  Zdenek Dvorak  <dvorakz@suse.cz>
3117
3118         PR tree-optimization/21817
3119         * tree-ssa-loop-im.c (for_each_index): Handle VECTOR_CST.
3120
3121 2005-05-31  Pat Haugen  <pthaugen@us.ibm.com>
3122
3123         * loop.c (loop_invariant_p, valid_initial_value_p): Revert last
3124         change.
3125
3126 2005-05-31  Andrew Pinski  <pinskia@physics.uc.edu>
3127
3128         PR middle-end/20931
3129         PR middle-end/20946
3130         * fold-const.c (fold_checksum_tree): Copy types also if
3131         TYPE_CONTAINS_PLACEHOLDER_INTERNAL is set.
3132         Don't call fold_checksum_tree for TREE_LIST's TREE_CHAIN
3133         first.
3134         Tail recurse TREE_LIST's TREE_CHAIN.
3135
3136 2005-05-31  Andrew Pinski  <pinskia@physics.uc.edu>
3137
3138         PR tree-opt/21732
3139         * tree-ssa-copy.c (dump_copy_of): Create a bitmap and don't visit a
3140         SSA_NAME twice and cause the loop to become finite.  Remove the test
3141         for val.
3142
3143 2005-05-31  Andrew Pinski  <pinskia@physics.uc.edu>
3144
3145         * tree-cfg.c (verify_expr): Add checking for COND_EXPR's conditional
3146         expression.
3147
3148 2005-05-31  Richard Sandiford  <rsandifo@redhat.com>
3149
3150         * doc/tm.texi (TARGET_GET_PCH_VALIDITY, TARGET_PCH_VALID_P): Tweak
3151         the documentation to make it more future-proof.
3152         (TARGET_CHECK_PCH_TARGET_FLAGS): Document this new hook.
3153         * target.h (gcc_target): Add check_pch_target_flags.
3154         * target-def.h (TARGET_CHECK_PCH_TARGET_FLAGS): New macro.
3155         (TARGET_INITIALIZER): Include it.
3156         * toplev.c (default_pch_valid_p): Use targetm.check_pch_target_flags.
3157         * config/sh/sh-protos.h (sh_pch_valid_p): Delete.
3158         * config/sh/sh.c (TARGET_PCH_VALID_P, sh_pch_valid_p): Delete.
3159         (sh_check_pch_target_flags): New function.
3160         (TARGET_CHECK_PCH_TARGET_FLAGS): Override default.
3161
3162 2005-05-31  Richard Guenther  <rguenth@gcc.gnu.org>
3163
3164         * fold-const.c (extract_array_ref): Handle more cases,
3165         do some useful canonicalization of the base.
3166         (fold_binary): Explicitly deal with arrays of zero-sized
3167         structures during folding of &a[i] == &a[j].
3168
3169 2005-05-31  Eric Botcazou  <ebotcazou@libertysurf.fr>
3170
3171         * doc/install.texi (sparc-sun-solaris2*): Update note
3172         about Sun bug 4910101.
3173         (sparc-sun-solaris2.7): Document bootstrap
3174         failure with Sun WorkShop 6 99/08/18 as.
3175
3176 2005-05-30  Pat Haugen  <pthaugen@us.ibm.com>
3177
3178         * loop.c (loop_invariant_p, valid_initial_value_p): Use
3179         regs_invalidated_by_call instead of call_used_regs.
3180
3181 2005-05-30  Paolo Carlini  <pcarlini@suse.de>
3182
3183         PR middle-end/21743
3184         * builtins.def (BUILT_IN_CLOG, BUILT_IN_CLOGF, BUILT_IN_CLOGL):
3185         Enable.
3186         * doc/extend.texi: Add clog, clogf, clogl.
3187
3188 2005-05-30  H.J. Lu  <hongjiu.lu@intel.com>
3189
3190         PR middle-end/20303
3191         * c-pragma.c: Include "vec.h".
3192         (handle_pragma_visibility): Use VEC.
3193
3194         * doc/invoke.texi: Remove the nested visibility push limit.
3195
3196 2005-05-30  Roger Sayle  <roger@eyesopen.com>
3197
3198         PR rtl-optimization/15422
3199         * reg-stack.c (starting_stack_p): New static global.
3200         (straighten_stack): Delete prototype. Change to update the stack
3201         before the current insn.
3202         (subst_stack_regs): Update call to straighten stack.
3203         (emit_swap_insn): Delete prototype.  For the first insn in a
3204         basic block, update stack_in instead of emitting a real swap.
3205         (change_stack): When changing the stack before the first insn
3206         in a basic block, update stack_in instead of emitting real code.
3207         (compensate_edges): Clear starting_stack_p during compensation.
3208         (convert_regs_1): Keep track of starting_stack_p whilst processing
3209         a basic block.
3210
3211 2005-05-30  Kazu Hirata  <kazu@cs.umass.edu>
3212
3213         * tree-ssa-ccp.c (const_val): Make it static.
3214
3215 2005-05-29  Geoffrey Keating  <geoffk@apple.com>
3216
3217         PR target/21761
3218         * config/rs6000/rs6000.md: Remove stray TARGET_32BIT from
3219         pattern involving `:P'.
3220
3221         * Makefile.in (install-cpp): Depend on installdirs.
3222
3223 2005-05-30  Kazu Hirata  <kazu@cs.umass.edu>
3224
3225         * tree-outof-ssa.c (_elim_graph): Change the type of edge_list
3226         to VEC(int,heap)*.
3227         (new_elim_graph, clear_elim_graph, delete_elim_graph,
3228         elim_graph_add_edge, elim_graph_remove_succ_edge,
3229         FOR_EACH_ELIM_GRAPH_SUCC, FOR_EACH_ELIM_GRAPH_PRED): Use VEC
3230         instead of VARRAY.
3231
3232 2005-05-29  Kazu Hirata  <kazu@cs.umass.edu>
3233
3234         * cgraphunit.c, ipa-inline.c, loop-iv.c, modulo-sched.c,
3235         opts.c, postreload-gcse.c, tree-browser.def, tree-eh.c,
3236         tree-ssa-copyrename.c, tree-vect-analyze.c: Fix typos and
3237         follow spelling conventions in error/dump messages.
3238
3239 2005-05-29  Roger Sayle  <roger@eyesopen.com>
3240             Richard Henderson  <rth@redhat.com>
3241
3242         * ifcvt.c (noce_emit_move_insn): Construct a SET pattern directly
3243         if the RHS isn't suitable for calling emit_move_insn.
3244
3245 2005-05-29  Kazu Hirata  <kazu@cs.umass.edu>
3246
3247         * tree-ssa-ccp.c (ccp_fold): Return immediately after calling
3248         fold_unary and fold_binary.
3249
3250 2005-05-29  Roger Sayle  <roger@eyesopen.com>
3251
3252         * reg-stack.c (propagate_stack): Always copy the source stack to
3253         the destination.  This routine is now only called when this is safe.
3254         (better_edge): New function split out from convert_regs_1 to
3255         determine which of two edges is better to propagate across.
3256         (convert_regs_1):  We need only search for a best edge if the
3257         stack layout hasn't been defined yet.  Use better_edge to help
3258         find beste.  No longer traverse unnecessary edges.
3259
3260 2005-05-29  Keith Besaw  <kbesaw@us.ibm.com>
3261
3262         * tree-ssa-alias.c (new_type_alias): New procedure to
3263         create a type memory tag for a pointer with a may-alias
3264         set determined from a variable declaration.
3265         * tree-flow.h: export declaration of new_type_alias
3266         * tree-optimize.c (init_tree_optimization_passes): document
3267         that pass_may_alias cannot be called after pass_vectorize.
3268         * tree-vect-transform (vect_create_data_ref_ptr): Call
3269         new_type_alias when an type memory tag isn't available
3270         for a reference.
3271         (vectorizable_store): Use copy_virtual_operands to update
3272         virtual defs in place (so that loop_version can be called).
3273         Call mark_for_renaming for the virtual defs in case peeling
3274         is done and virtual uses outside the loop need to be updated.
3275
3276 2005-05-29  Dorit Naishlos  <dorit@il.ibm.com>
3277
3278         PR tree-optimization/21639
3279         * tree-complex.c (pass_lower_vector_s): Remove TODO_ggc_collect.
3280
3281 2005-05-29  Jan Hubicka  <jh@suse.cz>
3282
3283         PR tree-optimization/21562
3284         * cfgexpand.c (construct_init_block): Deal properly with the case
3285         of entry edge not pointing to very first basic block.
3286
3287 2005-05-28  Kazu Hirata  <kazu@cs.umass.edu>
3288
3289         * tree-ssa-ccp.c (ccp_fold): Remove code that produces
3290         non-gimple min invariant.
3291
3292         * Makefile.in (OBJS-common): Add tree-cfgcleanup.o.
3293         * tree-flow.h: Add prototypes for start_recording_case_labels
3294         and end_recording_case_labels.
3295         * tree-cfg.c (start_recording_case_labels,
3296         end_recording_case_labels): Export.
3297         (cleanup_tree_cfg_loop, modified_noreturn_calls,
3298         cleanup_control_flow, cleanup_control_expr_graph,
3299         remove_fallthru_edge, phi_alternatives_equal,
3300         tree_forwarder_block_p, has_abnormal_incoming_edge_p,
3301         remove_forwarder_block, cleanup_forwarder_blocks,
3302         remove_forwarder_block_with_phi, merge_phi_nodes,
3303         gate_merge_phi, pass_merge_phi): Move to ...
3304         * tree-cfgcleanup.c: ... here.
3305
3306         * basic-block.h: Remove forward declaration of bb_ann_d.
3307
3308 2005-05-28  Jan Hubicka  <jh@suse.cz>
3309
3310         * tree-ssa-threadupdate.c: (create_edge_and_update_destination_phis):
3311         Update profile.
3312         * value-prof.c (tree_divmod_fixed_value_transform): Be more verbose in
3313         debug output.
3314         (tree_mod_subtract): Fix profile updating code.
3315         (tree_divmod_values_to_profile): Do not produce useless value profilers
3316         for divisions.
3317
3318 2005-05-28  Kazu Hirata  <kazu@cs.umass.edu>
3319
3320         * tree-ssa-dom.c (vrp_element_p): Define.
3321         (vrp_hash_elt): Change the type of records to
3322         VEC(vrp_element_p,heap).
3323         (vrp_free): New.
3324         (tree_ssa_dominator_optimize): Pass vrp_free to htab_create.
3325         Update uses of VRP records.
3326         (simplify_cond_and_lookup_avail_expr, record_range): Update
3327         uses of VRP records.
3328
3329         * tree-inline.c (cfun_stack): Change the type to
3330         VEC(function_p,heap).
3331         (push_cfun, pop_cfun): Use VEC instead of VARRAY.
3332
3333 2005-05-27  Ian Lance Taylor  <ian@airs.com>
3334
3335         * c-decl.c (add_stmt): Add C frontend specific version.
3336         (stmts_are_full_exprs_p): Remove.
3337         * c-common.h (STMT_IS_FULL_EXPR_P): Remove.
3338         (stmts_are_full_exprs_p): Don't declare.
3339         * c-semantics.c (add_stmt): Remove.
3340
3341 2005-05-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3342
3343         * config/mips/mips-protos.h (mips_declare_object): Add printf
3344         attribute.
3345         * config/mips/mips.c (mips_declare_object_name): Fix format
3346         argument.
3347
3348 2005-05-27  Roger Sayle  <roger@eyesopen.com>
3349
3350         * reg-stack.c (compensate_edge): Remove original prototype.
3351         (propagate_stack): New function to copy the stack layout
3352         at the start of a basic block from the layout at the end of
3353         one of its predecessors.
3354         (compensate_edge): Assume that both source and destination
3355         blocks have already had their stack layouts defined.
3356         (compensate_edges): Traverse all non-entry edges in the CFG
3357         and call compensate_edge on each in turn.
3358         (convert_regs_1): Change return type to void.  Call
3359         propagate_stack instead of compensate_edge.
3360         (convert_regs_2): Change return type to void.  Update call
3361         to convert_regs_1 to ignore the (now void) return value.
3362         (convert_regs): Update calls to convert_regs_2 to ignore
3363         the (now void) return value.  After all the basic blocks have
3364         been processed, call compensate_edges to actually emit new
3365         insns.
3366         (reg_to_stack): Initialize the aux info for each basic block
3367         with FOR_EACH_BB instead of which FOR_EACH_BB_REVERSE.
3368
3369 2005-05-28  Jan Hubicka  <jh@suse.cz>
3370
3371         * except.c (can_throw_internal_1, can_throw_external_1): Add 
3372         "is_resx" argument.
3373         (can_throw_external, can_throw_internal): Bring into sync wrt
3374         dealing resx.
3375         * except.h (can_throw_internal_1, can_throw_external_1): Update
3376         prototype.
3377         * tree-eh.c (tree_can_throw_internal, tree_can_throw_external):
3378         Deal properly with resx.
3379
3380 2005-05-27  Kazu Hirata  <kazu@cs.umass.edu>
3381
3382         * basic-block.h (basic_block_def): Add phi_nodes and
3383         predictions.  Remove tree_annotations.
3384         * predict.c (tree_predicted_by_p, tree_predict_edge,
3385         combine_predictions_for_bb): Adjust references to predictions.
3386         * tree-cfg.c (init_empty_tree_cfg, create_bb): Don't call
3387         create_block_annotation.
3388         (create_block_annotation, free_blocks_annotatios,
3389         clear_blocks_annotations): Remove.
3390         (dump_cfg_stats): Don't print out the memory spent on
3391         bb_ann_d.
3392         (delete_tree_cfg_annotations): Don't call free_blocks_annotations.
3393         * tree-flow-inline.h (bb_ann): Remove.
3394         (phi_nodes, set_phi_nodes): Update references to phi_nodes.
3395         * tree-flow.h (bb_ann_d): Remove.
3396         * tree-if-conv.c (process_phi_nodes): Update a reference to
3397         phi_nodes.
3398         * tree-phinodes.c (reserve_phi_args_for_new_edge,
3399         create_phi_node, remove_phi_node): Likewise.
3400         * tree-pretty-print.c (dump_generic_bb_buff): Don't call bb_ann.
3401         * tree-ssa-dom.c (threaded_blocks): New.
3402         (tree_ssa_dominator_optimize): Initialize, clear, and free
3403         threaded_blocks. Update a call to thread_through_all_blocks.
3404         (thread_across_edge): Use threaded_blocks instead of setting
3405         incoming_edge_threaded.
3406         * tree-ssa-threadupdate.c (threaded_through_all_blocks): Take
3407         a bitmap of blocks that are threaded through.
3408         * tree.h: Move the prototype of threaded_through_blocks to
3409         tree-flow.h.
3410
3411         * domwalk.c (walk_dominator_tree, init_walk_dominator_tree,
3412         fini_walk_dominator_tree): Use VEC instead of VARRAY.
3413         * domwalk.h (dom_walk_data): Change the type of
3414         block_data_stack and free_block_data to VEC(void_p,heap)*.
3415         * tree-ssa-dse.c (dse_initialize_block_local_data,
3416         dse_optimize_stmt, dse_record_phis, dse_finalize_block): Use
3417         VEC instead of VARRAY.
3418
3419 2005-05-27  Jan Hubicka  <jh@suse.cz>
3420
3421         * cgraph.c: Include tree-gimple.h
3422         (cgraph_edge): Rename expr to stmt.
3423         (cgraph_create_edge): Likewise.
3424         (cgraph_clone_node): Likewise.
3425         * cgraph.h (cgraph_node): Use call_stmt instead of call_expr.
3426         * cgraphunit.c (record_call_1): Rename to ...
3427         (record_reference): ... this one; do not build edges.
3428         (cgraph_varpool_analyze_pending_decls): Call record_reference directly.
3429         (current_basic_block): Kill.
3430         (cgraph_create_edges): Rewrite to work on gimple statements nicely.
3431         (verify_cgraph_node): Likewise.
3432         * tree-inline.c (copy_body_r): Do not mess up with cgraph edges.
3433         (copy_bb): Mess up with cgraph edges here; simplify EH handling.
3434         (copy_edges_for_bb): Simplify EH handling.
3435         (expand_call_inline): Pass statement to cgraph_edge and
3436         cgraph_create_edge.
3437
3438 2005-05-27  Richard Guenther  <rguenth@gcc.gnu.org>
3439
3440         * tree-inline.c (copy_body_r): Manually fold *& to deal
3441         with ADDR_EXPRs with mismatched types for now.
3442
3443         * gimplify.c (fold_indirect_ref_rhs): New function.
3444         (gimplify_modify_expr_rhs): Use it instead of pessimistic
3445         fold_indirect_ref.
3446
3447         * fold-const.c (fold_indirect_ref_1): Add type argument;
3448         make sure the resulting expression is of this type.
3449         (build_fold_indirect_ref, fold_indirect_ref): Adjust callers.
3450
3451 2005-05-27  Kazu Hirata  <kazu@cs.umass.edu>
3452
3453         PR tree-optimization/21658
3454         * tree-ssa-ccp.c (ccp_fold): Call fold_binary instead of
3455         fold_binary_to_constant.  Likewise, call fold_unary instead of
3456         fold_unary_to_constant.
3457
3458 2005-05-27  Nathan Sidwell  <nathan@codesourcery.com>
3459
3460         * vec.h: Implement integral type vector specialization.
3461         (VEC_T): Define a non-GTY structure.
3462         (VEC_T_GTY): Define a GTY structure.
3463         (VEC_TA): Rename to ...
3464         (VEC_TA_GTY): ... here.
3465         (DEF_VEC_I, DEF_VEC_ALLOC_I): New.
3466         (DEF_VEC_P, DEF_VEC_ALLOC_P): Adjust.
3467         (DEF_VEC_FUNC_P, DEF_VEC_ALLOC_FUNC_P): New, broken out of
3468         DEF_VEC_P and DEF_VEC_ALLOC_P.
3469         (DEF_VEC_O, DEF_VEC_ALLOC_O): Adjust.
3470         (DEF_VEC_FUNC_O, DEF_VEC_ALLOC_FUNC_O): New, broken out of
3471         DEF_VEC_O and DEF_VEC_ALLOC_O.
3472         * global.c: Use DEF_VEC_I, DEF_VEC_ALLOC_I.
3473         * lambda-code.c: Likewise.
3474         * tree-into-ssa.c: Likewise.
3475         * tree-ssa-live.c: Likewise.
3476
3477 2005-05-27  Kazu Hirata  <kazu@cs.umass.edu>
3478
3479         * tree-into-ssa.c (update_ssa): Ensure that the operand cache
3480         is up-to-date.
3481         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
3482         update_stmt_if_modified before calling update_ssa.
3483
3484 2005-05-27  Ralf Corsepius  <ralf.corsepius@rtems.org>
3485
3486         * config/rs6000/t-rtems: Remove roe multilib variant.
3487
3488 2005-05-26  Roger Sayle  <roger@eyesopen.com>
3489
3490         PR tree-optimization/9814
3491         * ifcvt.c (noce_emit_move_insn): If we fail to recognize the move
3492         instruction, add the necessary clobbers by re-expanding the RTL
3493         for arithmetic operations via optab.c's expand_unop/expand_binop.
3494         (noce_try_bitop): New function to optimize bit manipulation idioms
3495         of the form "if (x & C) x = x op C" and "if (!(x & C) x = x op C".
3496         (noce_process_if_block): Call noce_try_bitop.
3497
3498 2005-05-26  Roger Sayle  <roger@eyesopen.com>
3499
3500         * reg-stack.c (convert_regs_entry, convert_regs_exit,
3501         convert_regs_1, convert_regs_2, convert_regs): Delete prototypes.
3502         (reg_to_stack): Move to end of the file.  Initialize the per
3503         basic block information here, instead of...
3504         (convert_regs_entry): Here.
3505         (convert_regs): Change unused return type to void.
3506
3507 2005-05-27  Kazu Hirata  <kazu@cs.umass.edu>
3508
3509         * c-pch.c, timevar.c, timevar.h, unwind-compat.c,
3510         unwind-dw2-fde-compat.c, unwind-dw2-fde.c, config/mmix/mmix.h,
3511         config/rs6000/eabispe.h, config/rs6000/lynx.h,
3512         config/sh/elf.h, config/sh/symbian-pre.h,
3513         config/sparc/sparc-protos.h: Update copyright.
3514
3515 2005-05-26  Mike Stump  <mrs@apple.com>
3516
3517         * darwin.h (ASM_OUTPUT_LABELREF): Handle quoted non-lazy pointers
3518         for Objective-C++.
3519         
3520 2005-05-26  Richard Guenther  <rguenth@gcc.gnu.org>
3521
3522         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
3523         See through ADDR_EXPR in finding place to propagate into.
3524
3525 2005-05-26  Kazu Hirata  <kazu@cs.umass.edu>
3526
3527         * c-common.c, c-parser.c, cfgbuild.c, cfghooks.c, cfghooks.h,
3528         cfgrtl.c, cgraphunit.c, ddg.c, expr.h, gcse.c, ggc-page.c,
3529         ggc-zone.c, gimplify.c, ipa-inline.c, longlong.h, targhooks.c,
3530         tree-flow-inline.h, tree-pass.h, tree-ssa-dse.c,
3531         tree-ssa-loop-im.c, tree-ssa-loop-ivopts.c,
3532         tree-ssa-operands.c, tree-vect-analyze.c,
3533         tree-vect-transform.c, tree-vectorizer.c, tree.c,
3534         config/arm/arm.c, config/bfin/bfin.c, config/frv/frv.c,
3535         config/frv/frv.md, config/i386/i386.c, config/i386/sse.md,
3536         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
3537         config/mcore/mcore.c, config/mips/mips.c, config/mips/mips.md,
3538         config/rs6000/darwin-ldouble.c, config/rs6000/rs6000.c,
3539         config/rs6000/rs6000.h, config/sh/sh.c, config/sh/sh.md,
3540         config/sh/ushmedia.h, config/sparc/sparc.c,
3541         config/sparc/sparc.md, config/stormy16/stormy-abi: Fix comment
3542         typos.  Follow spelling conventions.
3543         * doc/invoke.texi, doc/tm.texi, doc/tree-ssa.texi: Fix typos.
3544         Follow spelling conventions.
3545
3546 2005-05-26  David Ung  <davidu@mips.com>
3547
3548         * config/mips/mips.c (mips_use_ins_ext_p): New helper function
3549         that determines whether the MIPS32/64 R2 ext/ins should be used.
3550         * config/mips/mips.h (ISA_HAS_EXT_INS): New macro.
3551         * config/mips/mips.md (extzv): Changed predicate for operand to
3552         nonimmediate_operand. Add code to generate insn patterns for
3553         extzvsi and extzvdi.
3554         (extzv<mode>): New pattern to match mips32/64 r2 ext insn.
3555         (insv): Similarly for insertion.
3556         (insv<mode>): Similarly.
3557
3558 2005-05-26  Paolo Bonzini  <bonzini@gnu.org>
3559
3560         * simplify-rtx.c (avoid_constant_pool_reference): Support
3561         offsetted addresses in the constant pool.
3562
3563 2005-05-26  Paolo Bonzini  <bonzini@gnu.org>
3564
3565         * df.h (DF_SUBREGS, df_local_def_available_p, df_insn_modified_p): New.
3566         * df.c (DF_SUBREGS, df_local_def_available_p, df_insn_modified_p): New.
3567
3568 2005-05-26  Jakub Jelinek  <jakub@redhat.com>
3569
3570         PR target/21716
3571         * reg-stack.c (swap_rtx_condition): Don't crash if %ax user was not
3572         found in the basic block and last insn in the basic block is not
3573         INSN_P.  Remove explicit unspec numbers that are no longer valid
3574         from comments.
3575
3576 2005-05-26  Paolo Bonzini  <bonzini@gnu.org>
3577
3578         * tree-vect-transform.c (vectorizable_operation): Try word_mode
3579         vectorization if UNITS_PER_WORD == UNITS_PER_SIMD_WORD, even
3580         if a vector mode is available.
3581
3582 2005-05-25  Roger Sayle  <roger@eyesopen.com>
3583
3584         PR middle-end/21709
3585         * fold-const.c (const_binop): Check for division by zero during
3586         complex division.
3587
3588 2005-05-26  Ian Lance Taylor  <ian@airs.com>
3589
3590         * reload1.c (verify_initial_elim_offsets): Add braces to avoid
3591         having a declaration after a statement.
3592
3593 2005-05-26  Richard Sandiford  <rsandifo@redhat.com>
3594
3595         * opt-functions.awk (var_type): New function.
3596         (var_set): Use CLVC_STRING if var_type returns "const char *".
3597         * opth-gen.awk: Use var_type to find out the types of variables.
3598         Don't print comments above each "extern" definition.
3599         * optc-gen.awk: Use var_type in the same way.
3600         * opts.h (cl_var_cond): Rename to...
3601         (cl_var_type): ...this.  Add CLVC_STRING.
3602         (cl_option): Make "flag_var" a "void *" pointer.  Replace "var_cond"
3603         with "var_type".
3604         * opts.c (handle_option, option_enabled): Update after above name
3605         change.  Cast flag_var before using it.  Handle CLVC_STRING.
3606         
3607         * config/alpha/alpha.h (alpha_tls_size): Delete.
3608         * config/alpha/alpha.c (alpha_tls_size, alpha_cpu_string)
3609         (alpha_tune_string, alpha_tp_string, alpha_fprm_string)
3610         (alpha_fptm_string, alpha_mlat_string): Delete.
3611         (alpha_handle_option): Don't set the above variables here.  Use the
3612         integer argument to check the validity of -mtls-size=.
3613         * config/alpha/alpha.opt (mcpu=, mtune=, mfp-rounding-mode=)
3614         (mfp-trap-mode=, mtrap-precision=, mmemory-latency=): Add Var()s.
3615         (mtls-size=): Likewise.  Convert to a UInteger and initialize the
3616         variable to 32.
3617
3618         * config/arc/arc.c (arc_cpu_string, arc_text_string)
3619         (arc_data_string, arc_rodata_string): Delete.
3620         (arc_handle_option): Don't set the above variables here.
3621         * config/arc/arc.opt (mcpu=, mtext=, mdata=, mrodata=): Add Var()s
3622         and initialize them.
3623
3624         * config/arm/arm.c (target_fpu_name, target_fpe_name)
3625         (target_float_abi_name, target_abi_name, structure_size_string)
3626         (arm_pic_register_string): Delete.
3627         (arm_handle_option): Don't set the above variables here, except
3628         in the handling of -mhard-float and -msoft-float.
3629         * config/arm/arm.opt (mabi=, mfloat-abi=, mfp=, mfpe=, mfpu=)
3630         (mpic-register=, mstructure-size-boundary=): Add Var()s.
3631
3632         * config/avr/avr.c (avr_init_stack, avr_mcu_name, TARGET_HANDLE_OPTION)
3633         (avr_handle_option): Delete.
3634         * config/avr/avr.opt (mmcu=, minit-stack=): Add Var()s and initialize
3635         them.
3636
3637         * config/bfin/bfin.c (bfin_library_id): Delete.
3638         (bfin_handle_option): Don't set it.
3639         * config/bfin/bfin.opt (mshared-library-id=): Add Var().
3640
3641         * config/c4x/c4x.h (c4x_rpts_cycles): Delete.
3642         * config/c4x/c4x.c (c4x_rpts_cycles): Delete.
3643         (c4x_handle_option): Don't set c4x_rpts_cycles here.
3644         * config/c4x/c4x.opt (mrpts=): Add Var().
3645
3646         * config/cris/aout.h (CRIS_SUBTARGET_HANDLE_OPTION): Don't set
3647         cris_elinux_stacksize_str here.
3648         * config/cris/aout.opt (melinux-stacksize=): Add Var().
3649         * config/cris/cris.h (cris_max_stackframe_str, cris_cpu_str)
3650         (cris_tune_str, cris_elinux_stacksize_str): Delete.
3651         * config/cris/cris.c (cris_max_stackframe_str, cris_cpu_str)
3652         (cris_tune_str, cris_elinux_stacksize_str): Delete.
3653         (cris_handle_option): Don't set the above variables here.
3654         * config/cris/cris.opt (mcpu=, march=, mtune=, mmax-stackframe=)
3655         (max-stackframe=): Add Var()s.
3656
3657         * config/i386/i386.h (ix86_tune_string, ix86_arch_string): Delete.
3658         * config/i386/i386.c (ix86_cmodel_string, ix86_asm_string)
3659         (ix86_tls_dialect_string, ix86_tune_string, ix86_arch_string)
3660         (ix86_fpmath_string, ix86_regparm_string, ix86_align_loops_string)
3661         (ix86_align_jumps_string, ix86_preferred_stack_boundary_string)
3662         (ix86_branch_cost_string, ix86_align_funcs_string): Delete.
3663         (ix86_handle_option): Don't set the above variables here.
3664         * config/i386/i386.opt (malign-functions=, malign-jumps=)
3665         (malign-loops=, march=, masm=, mbranch-cost=, mcmodel=, mfpmath=)
3666         (mpreferred-stack-boundary=, mregparm=, mtls-dialect=, mtune=): Add
3667         Var()s.
3668
3669         * config/ia64/ia64.h (ia64_tls_size): Delete.
3670         * config/ia64/ia64.c (ia64_tls_size): Delete.
3671         (ia64_handle_option): Treat -mtls-size= as a UInteger option,
3672         reading the integer argument from the "value" parameter.  Don't
3673         set ia64_tls_size here.
3674         * config/ia64/ia64.opt (mtls-size=): Turn into a UInteger option.
3675         Add Var() and Init().
3676
3677         * config/m32r/m32r.h (m32r_cache_flush_func): Delete.
3678         (m32r_cache_flush_trap): Delete.
3679         * config/m32r/m32r.c (m32r_cache_flush_func): Delete.
3680         (m32r_cache_flush_trap): Delete.
3681         (m32r_handle_option): Don't set the above variables when handling
3682         -mflush-func= and -mflush-trap=.
3683         * config/m32r/m32r.opt (-mflush-func=, -mflush-trap=): Add Var()s
3684         and Init()s.
3685
3686         * config/mips/mips.h (mips_cache_flush_func): Delete.
3687         * config/mips/mips.c (mips_arch_string, mips_tune_string)
3688         (mips_cache_flush_func): Delete.
3689         (mips_handle_option): Don't set the above variables when handling
3690         -march=, -mtune= and -mflush-func=.
3691         * config/mips/mips.opt (march=, mflush-func=, mtune=): Add Var()s.
3692
3693         * config/s390/s390.c (s390_arch_string): Delete.
3694         (s390_handle_option): Don't set it here.
3695         * config/s390/s390.opt (march=): Add Var().
3696
3697         * config/sparc/sparc.h (sparc_cmodel_string): Delete.
3698         * config/sparc/sparc.c (sparc_cmodel_string): Delete.
3699         (sparc_handle_option): Don't set it here.
3700         * config/sparc/sparc.opt (mcmodel=): Add Var().
3701
3702 2005-05-25  Roger Sayle  <roger@eyesopen.com>
3703
3704         * convert.c (convert_to_integer) <POINTER_TYPE>: Avoid recursive
3705         call to convert_to_integer by building the NOP_EXPR directly.
3706
3707 2005-05-25  Richard Sandiford  <rsandifo@redhat.com>
3708
3709         * config/rs6000/rs6000.opt (mprioritize-restricted-insns=): Fix typo.
3710
3711 2005-05-25  Daniel Berlin  <dberlin@dberlin.org>
3712             Jeff Law  <law@redhat.com>
3713
3714         * tree-cfg.c (verify_expr, case ADDR_EXPR): Verify invariant,
3715         constant and side_effects of the ADDR_EXPR are consistent.
3716
3717         * tree-nested.c (convert_local_reference): Set CURRENT_FUNCTION_DECL
3718         appropriately around calls to recompute_tree_invarant_for_addr_expr.
3719
3720 2005-05-25  Ulrich Weigand  <uweigand@de.ibm.com>
3721
3722         * config/s390/s390.c (GP_ARG_NUM_REG, FP_ARG_NUM_REG): New defines.
3723         (s390_function_arg, s390_gimplify_va_arg): Use them.
3724         (s390_register_info): Save only required subset of argument
3725         registers into save area for va_list.
3726         (s390_va_start): Initialize only required elements of va_list struct.
3727         (s390_build_builtin_va_list): Set va_list_[gf]pr_counter_field.
3728
3729 2005-05-25  Ulrich Weigand  <uweigand@de.ibm.com>
3730
3731         * reload1.c (verify_initial_elim_offsets): Return boolean status
3732         instead of aborting.
3733         (reload): Adapt verify_initial_elim_offsets call site.  Restart
3734         main loop if some initial elimination offsets changed.
3735
3736 2005-05-25  Adam Nemet  <anemet@lnxw.com>
3737
3738         * config/rs6000/lynx.h (CC1_SPEC): Use -maix-struct-return instead
3739         of -mno-svr4-struct-return.
3740
3741 2005-05-25  Daniel Berlin  <dberlin@dberlin.org>
3742
3743         Fix PR tree-optimization/21705
3744         
3745         * tree-ssa-pre.c (in_fre): New static variable.
3746         (create_value_expr_from): Recursively value number reference ops
3747         in argument lists.
3748         (can_value_number_call): Temporary restrict only exists for
3749         PRE, not FRE.
3750
3751 2005-05-25  Kazu Hirata  <kazu@cs.umass.edu>
3752
3753         * tree-into-ssa.c (rewrite_into_ssa, update_ssa): Replace
3754         sizeof (bitmap *) with sizeof (bitmap).
3755
3756 2005-05-25  Daniel Berlin <dberlin@dberlin.org>
3757
3758         * lambda-code.c (perfect_nestify): Call update_stmt on the exit
3759         condition.
3760
3761 2005-05-25  Adrian Straetling  <straetling@de.ibm.com>
3762
3763         * config/s390/s390.c (TARGET_INSN_VALID_WITHIN_DOLOOP): Set to
3764         hook_bool_rtx_true.
3765
3766 2005-05-25  Jan Hubicka  <jh@suse.cz>
3767
3768         * Makefile.in (ipa-inline.o): Add COEVERAGE_H dependency.
3769         * cgraph.c (cgraph_create_node): Reset estimated_growth.
3770         * cgraph.h (cgraph_global_info): Add estimated_growth.
3771         * ipa-inline.c: Include coverage.h
3772         (max_insns, max_count): New static variables.
3773         (cgraph_estimate_size_after_inlining): Cache the result.
3774         (cgraph_estimate_growth):
3775         * passes.c (rest_of_clean_state): Kill coverage_end_function.
3776         * timevar.def (TV_INLINE_HEURISTICS): New timevar.
3777         * tree-optimize.c (init_tree_optimization_passes): Move profiling before
3778         inlining.
3779         (ipa_passes): Initialize bitmaps.
3780
3781 2005-05-25  Adrian Straetling  <straetling@de.ibm.com>
3782
3783         * loop-doloop.c: Include "target.h". 
3784           (doloop_valid_p): Move tests to function in targhooks.c.
3785         * target.h (struct gcc_target): New target hook
3786           "insn_valid_within_doloop".
3787         * target-def.h: Define default value for "insn_valid_within_doloop".
3788           (TARGET_INITIALIZER): Insert new target hook into initializer.
3789         * targhooks.c (default_insn_valid_within_doloop): New function.
3790         * targhooks.h (default_insn_valid_within_doloop): Declare.
3791         * hooks.c (hook_bool_rtx_true): New function.
3792         * hooks.h (hook_bool_rtx_true): Declare.
3793         * doc/tm.texi: Add documentation for new target hook.
3794
3795 2005-05-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
3796
3797         PR target/21412
3798         * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): New macro
3799         * config/sparc/sparc-protos.h (tls_symbolic_operand): Delete.
3800         (sparc_tls_referenced_p): New prototype.
3801         * config/sparc/sparc.c (tls_symbolic_operand): Delete.
3802         (sparc_expand_move): Look for TLS addresses with constant offsets.
3803         (legitimate_constant_p): Use SPARC_SYMBOL_REF_TLS_P instead of
3804         tls_symbolic_operand.
3805         (legitimate_pic_operand_p): Likewise.
3806         (legitimate_address_p): Likewise.
3807         (legitimize_address): Likewise.
3808         (sparc_tls_symbol_ref_1): New function.
3809         (sparc_tls_referenced_p): New function.
3810         * config/sparc/predicates.md (tgd_symbolic_operand): Use
3811         SYMBOL_REF_TLS_MODEL instead of tls_symbolic_operand.
3812         (tld_symbolic_operand): Likewise.
3813         (tie_symbolic_operand): Likewise.
3814         (tle_symbolic_operand): Likewise.
3815
3816 2005-05-24  DJ Delorie  <dj@redhat.com>
3817         
3818         * common.opt (-Wattributes): New.  Default true.
3819         * doc/invoke.texi (-Wno-attributes): Document.
3820         
3821         * attribs.c (decl_attributes): Move warning control from if() to
3822         warning(OPT_*).
3823         * c-common.c (handle_packed_attribute): Likewise.
3824         (handle_nocommon_attribute): Likewise.
3825         (handle_common_attribute): Likewise.
3826         (handle_noreturn_attribute): Likewise.
3827         (handle_noinline_attribute): Likewise.
3828         (handle_always_inline_attribute): Likewise.
3829         (handle_used_attribute): Likewise.
3830         (handle_unused_attribute): Likewise.
3831         (handle_const_attribute): Likewise.
3832         (handle_transparent_union_attribute): Likewise.
3833         (handle_constructor_attribute): Likewise.
3834         (handle_destructor_attribute): Likewise.
3835         (handle_mode_attribute): Likewise.
3836         (handle_alias_attribute): Likewise.
3837         (handle_visibility_attribute): Likewise.
3838         (handle_tls_model_attribute): Likewise.
3839         (handle_malloc_attribute): Likewise.
3840         (handle_returns_twice_attribute): Likewise.
3841         (handle_pure_attribute): Likewise.
3842         (handle_deprecated_attribute): Likewise.
3843         (handle_vector_size_attribute): Likewise.
3844         (handle_nothrow_attribute): Likewise.
3845         (handle_cleanup_attribute): Likewise.
3846         (handle_warn_unused_result_attribute): Likewise.
3847         (handle_sentinel_attribute): Likewise.
3848         * c-decl.c (diagnose_mismatched_decls): Likewise.
3849         (start_decl): Likewise.
3850         (grokdeclarator): Likewise.
3851         (start_function): Likewise.
3852         * c-format.c (check_function_format): Likewise.
3853         * stor-layout.c (place_field): Likewise.
3854         (finalize_record_size): Likewise.
3855         * tree.c (handle_dll_attribute)): Likewise.
3856         * varasm.c (default_assemble_visibility): Likewise.
3857         * config/darwin.c (darwin_handle_weak_import_attribute): Likewise.
3858         (darwin_assemble_visibility): Likewise.
3859         * config/arc/arc.c (arc_handle_interrupt_attribute): Likewise.
3860         * config/arm/arm.c (arm_handle_fndecl_attribute): Likewise.
3861         (arm_handle_isr_attribute): Likewise.
3862         * config/avr/avr.c (avr_handle_progmem_attribute): Likewise.
3863         (avr_handle_fndecl_attribute): Likewise.
3864         * config/bfin/bfin.c (handle_int_attribute): Likewise.
3865         * config/c4x/c4x.c (c4x_handle_fntype_attribute): Likewise.
3866         * config/h8300/h8300.c (h8300_handle_fndecl_attribute): Likewise.
3867         (h8300_handle_eightbit_data_attribute): Likewise.
3868         (h8300_handle_tiny_data_attribute): Likewise.
3869         * config/i386/i386.c (ix86_handle_cdecl_attribute): Likewise.
3870         (ix86_handle_regparm_attribute): Likewise.
3871         (ix86_handle_struct_attribute): Likewise.
3872         * config/i386/winnt.c (ix86_handle_shared_attribute): Likewise.
3873         (i386_pe_encode_section_info): Likewise.
3874         * config/ia64/ia64.c (ia64_handle_model_attribute): Likewise.
3875         * config/ip2k/ip2k.c (ip2k_handle_progmem_attribute): Likewise.
3876         (ip2k_handle_fndecl_attribute): Likewise.
3877         * config/m32r/m32r.c (m32r_handle_model_attribute): Likewise.
3878         * config/m68hc11/m68hc11 (m68hc11_handle_page0_attribute): Likewise.
3879         (m68hc11_handle_fntype_attribute): Likewise.
3880         (m68hc11_encode_section_info): Likewise.
3881         * config/m68k/m68k.c (m68k_handle_fndecl_attribute): Likewise.
3882         * config/mcore/mcore.c (mcore_handle_naked_attribute): Likewise.
3883         * config/ns32k/ns32k.c (ns32k_handle_fntype_attribute): Likewise.
3884         * config/rs6000/rs6000.c (rs6000_handle_longcall_attribute): Likewise.
3885         * config/sh/sh.c (sh_handle_interrupt_handler_attribute): Likewise.
3886         (sh_handle_sp_switch_attribute): Likewise.
3887         (sh_handle_trap_exit_attribute): Likewise.
3888         * config/sh/symbian.c (sh_symbian_dllimport_p): Likewise.
3889         (sh_symbian_handle_dll_attribute): Likewise.
3890         * config/stormy16/stormy16.c (xstormy16_handle_interrupt_attribute): Likewise.
3891         (xstormy16_handle_below100_attribute): Likewise.
3892         * config/v850/v850.c (v850_handle_interrupt_attribute): Likewise.
3893
3894         * c-common.c (unsigned_conversion_warning): Move warning control
3895         from if() to warning(OPT_*).
3896         (c_common_truthvalue_conversion): Likewise.
3897         (c_do_switch_warnings): Likewise.
3898         * c-decl.c (diagnose_mismatched_decls): Likewise.
3899         (diagnose_mismatched_decls): Likewise.
3900         (define_label): Likewise.
3901         (grokdeclarator): Likewise.
3902         * c-format.c (check_format_info): Likewise.
3903         * c-lex.c (interpret_integer): Likwise.
3904         (lex_string): Likewise.
3905         * c-opts.c (c_common_post_options): Likewise.
3906         * c-parser.c (c_parser_unary_expression): Likewise.
3907         * c-pragma.c (handle_pragma_redefine_extname): Likewise.
3908         (handle_pragma_extern_prefix): Likewise.
3909         * c-typeck.c (build_binary_op): Likewise.
3910         * gcse.c (is_too_expensive): Likewise.
3911         * opts.c (decode_options): Likewise.
3912         * stor-layout.c (place_field): Likewise.
3913         * tree-cfg.c (remove_bb): Likewise.
3914
3915         * c.opt (-Wreturn-type): Add Var(warn_return_type).
3916         * flags.h (warn_return_type): Remove.
3917         * toplev.c (warn_return_type): Likewise.
3918
3919 2005-05-24  Kelley Cook  <kcook@gcc.gnu.org>
3920
3921         * configure.ac: Don't use gcc_AC_C_LONG_LONG.  Check for
3922         existence of long long and __int64 before determining their size.
3923         * aclocal.m4: Delete gcc_AC_C_LONG_LONG.
3924         * configure, config.h.in:  Regenerate.
3925
3926 2005-05-24  Kelley Cook  <kcook@gcc.gnu.org>
3927
3928         * configure: Regenerate.
3929
3930 2005-05-24  Ziemowit Laski  <zlaski@apple.com>
3931
3932         * c-common.h (objc_comptypes): Remove prototype.
3933         (objc_compare_types): New prototype.
3934         (objc_volatilized_decl): Likewise.
3935         (objc_type_quals_match): Likewise.
3936         * c-decl.c (objc_mark_locals_volatile): Streamline by calling
3937         objc_volatilize_decl().
3938         * c-typeck.c (comp_target_types): Remove third parameter; do
3939         not call objc_comptypes().
3940         (comptypes): Remove calls to objc_comptypes().
3941         (build_function_call): Extend compatible prototype check to ObjC.
3942         (build_conditional_expr): Adjust call to comp_target_types().
3943         (convert_for_assignment): Call objc_compare_types() instead of
3944         objc_comptypes(); adjust calls to comp_target_types(); call
3945         objc_type_quals_match() before issuing qualifier mismatch
3946         warnings.
3947         (build_binary_op): Call objc_compare_types() before issuing
3948         pointer mismatch warnings; adjust calls to
3949         comp_target_types().
3950         * stub-objc.c (objc_comptypes): Remove stub.
3951         (objc_compare_types): New stub.
3952         (objc_volatilized_decl): Likewise.
3953         (objc_type_quals_match): Likewise.
3954
3955 2005-05-24  Paolo Carlini  <pcarlini@suse.de>
3956
3957         * config/ia64/ia64intrin.h: Define nothing for C++:
3958         overloaded builtins have been ported to C++.
3959
3960 2005-05-24  Jeff Law  <law@redhat.com>
3961
3962         * tree-nested.c (build_addr): New "context" argument.  Temporarily
3963         set current_function_decl around the call to build the ADDR_EXPR.
3964         (get_static_chain): Pass proper context to build_addr.
3965         (convert_nl_goto_reference): Likewise.
3966         (convert_tramp_reference): Likewise.
3967         (final_nesting_tree_1): Likewise.
3968         * tree-profile.c (tree_gen_interval_profiler): Likewise.
3969         (tree_gen_pow2_profiler): Likewise.
3970         (tree_gen_one_value_profiler): Likewise.
3971         * tree-ssa-loop-ivopts.c (build_addr_strip_iref): Likewise.
3972         * tree.h (build_addr): Update prototype.
3973
3974 2005-05-24  Kazu Hirata  <kazu@cs.umass.edu>
3975
3976         * tree-flow.h (bb_ann_d): Remove has_escape_site.
3977         * tree-ssa-alias.c (compute_points_to_addr_escape): Don't
3978         write to has_escape_site.
3979
3980 2005-05-24  Jeff Law  <law@redhat.com>
3981
3982         * Makefile.in (tree-cfg.o): Depend on tree-ssa-propagate.h.
3983         * tree-cfg.c: Include tree-ssa-propagate.h.
3984         (replace_uses_by): Call recompute_tree_invarant_for_addr_expr as
3985         needed.
3986
3987 2005-05-24  Nick Clifton  <nickc@redhat.com>
3988
3989         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3990         __NO_FPRS__ when 'f' class registers will not be available. 
3991
3992 2005-05-24  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3993
3994         * config/m32r/m32r.c (m32r_expand_block_move):  Return 0 if
3995         nothing was done.
3996         * config/m32r/m32r.md (movmemsi):  If m32r_expand_block_move did
3997         nothing then FAIL.
3998         * config/m32r/m32r/m32r-protos.h  (m32r_expand_block_move): Update
3999         prototype.
4000
4001 2005-05-23  Jeff Law  <law@redhat.com>
4002
4003         * tree-ssa-dom.c (cprop_into_stmt): Do not call
4004         recompute_tree_invariant_for_addr_expr here.
4005         (optimize_stmt): Call it here instead and do so if anything
4006         at all has changed in the statement and the RHS is an ADDR_EXPR.
4007         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): If
4008         needed, call recompute_tree_invariant_for_addr_expr.
4009         * tree-ssa-propagate.c (substitute_and_fold): Call
4010         recompute_tree_invariant_for_addr_expr as needed.
4011
4012 2005-05-23  Andreas Krebbel  <krebbel1@de.ibm.com>
4013
4014         * config/s390/s390.c (s390_optimize_prologue): Don't replace an insn
4015         saving less registers than the replacement.
4016
4017 2005-05-23  Jan Hubicka  <jh@suse.cz>
4018
4019         * tree-flow.h (stmt_ann_d): Kill GTY ((skip)) mark on BB.
4020
4021 2005-05-23  Eric Botcazou  <ebotcazou@libertysurf.fr>
4022
4023         * config/sparc/sparc-protos.h (sparc_expand_move): New prototype.
4024         * config/sparc/sparc.c (sparc_expand_move): New function.
4025         (sparc_emit_set_const64): Rewrite assert condition on entry.
4026         (legitimate_constant_p) <CONST_VECTOR>: New case.
4027         (legitimize_pic_address): Use TARGET_ARCH64 to select the mode.
4028         * config/sparc/sparc.md (movqi, movhi, movsi, movdi, movV32,
4029         movV64, movtf): Use nonimmediate_operand for the first operand.
4030         Rewrite.  Only invoke sparc_expand_move.
4031         * config/sparc/predicates.md (input_operand): Reorder tests.
4032
4033 2005-05-23  Jan Beulich  <jbeulich@novell.com>
4034
4035         * gthr-posix.h (__gthread_recursive_mutex_init_function): Add
4036         missing return statement.
4037
4038 2005-05-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
4039
4040         * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Use
4041         emit_move_insn for moves to TFmode stack slots.
4042
4043 2005-05-21  Richard Guenther  <rguenth@gcc.gnu.org>
4044
4045         * tree-stdarg.c (execute_optimize_stdarg): Handle references
4046         to va_list of the form &va[0].
4047
4048 2005-05-20  Jan Hubicka  <jh@suse.cz>
4049
4050         * Makefile.in (insn-emit.o): Add basic-block.h dependency.
4051         * genemit.c (main): Make insn-emit to include basic-block.h too.
4052
4053 2005-05-20  Jan Hubicka  <jh@suse.cz>
4054
4055         * cgraphunit.c (cgraph_expand_function): Force function being lowered.
4056
4057 2005-05-19  Richard Henderson  <rth@redhat.com>
4058
4059         * config/alpha/alpha.c (emit_unlikely_jump, emit_load_locked,
4060         emit_store_conditional): Split out from ...
4061         (alpha_split_atomic_op): ... here.
4062         (alpha_split_compare_and_swap): New; extract from .md file.
4063         (alpha_split_lock_test_and_set): Likewise.
4064         * config/alpha/alpha-protos.h: Update.
4065         * config/alpha/sync.md (sync_compare_and_swap<I48MODE>): Move
4066         split code into alpha.c.
4067         (sync_lock_test_and_set<I48MODE>): Likewise.
4068
4069 2005-05-19  Richard Henderson  <rth@redhat.com>
4070
4071         * unwind.h, unwind-pe.h: Revert gcc_unreachable change of 05-17.
4072
4073 2005-05-19  Richard Henderson  <rth@redhat.com>
4074
4075         * config/i386/sse.md (mulv4si3): Use all register inputs.
4076         (mulv2di3): Likewise.
4077
4078 2005-05-19  Richard Guenther  <rguenth@gcc.gnu.org>
4079
4080         * tree-ssa-loop-ivopts.c (determine_base_object): Use
4081         build_fold_addr_expr to generate trees of correct type.
4082         Use fold_buildN if possible.
4083
4084 2005-05-19  Jan Hubicka  <jh@suse.cz>
4085
4086         * basic-block.h (REG_BR_PROB_BASE): Define.
4087         * cgraph.c (cgraph_create_edge): Initialize loop_nest and count.
4088         (dump_cgraph_node): Dump count.
4089         (cgraph_clone_edge): Rescale counts.
4090         (cgraph_clone_node): Likewise.
4091         * cgraph.h: Include basic-block.h
4092         (cgraph_node): Add count.
4093         (cgraph_edge): Add count and loop_nest.
4094         (cgraph_node, cgraph_edge, cgraph_clone_edge, cgraph_clone_node):
4095         Update prototypes.
4096         * cgraphunit.c: Kill now redundant inlining comment.
4097         (cgraph_create_edges): Make static, maintain current basic block;
4098         fix pasto.
4099         (record_call_1): Fill in new fields.
4100         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
4101         cgraph_clone_node.
4102         (cgraph_decide_recursive_inlining): Likewise.
4103         * rtl.h (REG_BR_PROB_BASE): Kill.
4104         * tree-inline.c (copy_body_r): Update call of cgraph_clone_edge.
4105         (expand_call_inline): Update call of cgraph_create_edge.
4106         * tree-optimize.c (tree_rest_of_compilation): Likewise.
4107
4108 2005-05-19  Nick Clifton  <nickc@redhat.com>
4109
4110         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Use the
4111         new rs6000_explicit_options structure.
4112
4113 2005-05-19  Richard Henderson  <rth@redhat.com>
4114
4115         PR target/21390
4116         * config/alpha/alpha.c (alpha_emit_conditional_branch): Move 
4117         TFmode code swapping ...
4118         (alpha_emit_xfloating_compare): ... here.
4119         (alpha_emit_setcc): Update to match.
4120         (alpha_lookup_xfloating_lib_func): Assert TARGET_HAS_XFLOATING_LIBS.
4121
4122 2005-05-19  Richard Henderson  <rth@redhat.com>
4123
4124         PR target/21657
4125         * config/ia64/ia64.c (ia64_expand_tls_address): Remove extra
4126         memory indirection in local-dynamic case.
4127
4128 2005-05-18  Jie Zhang  <jie.zhang@analog.com>
4129             Bernd Schmidt  <bernd.schmidt@analog.com>
4130
4131         * config/bfin/bfin.c (branch_dest): Add comment why it's
4132         necessary.
4133         * config/bfin/bfin.md (attr "length" default): Change the offset of
4134         forward conditional branch of length 4 from 4096 to 4092.
4135
4136 2005-05-19  Jan Beulich  <jbeulich@novell.com>
4137
4138         * unwind-compat.c: Include tconfig.h and tsystem.h.
4139         * unwind-dw2-fde-compat.c: Likewise.
4140
4141 2005-05-18  Richard Henderson  <rth@redhat.com>
4142
4143         PR 21541
4144         * ifcvt.c (noce_process_if_block): Avoid conversion when the
4145         memory destination is readonly.
4146
4147 2005-05-18  Richard Henderson  <rth@redhat.com>
4148
4149         PR 21541
4150         * tree-ssa-operands.c (opf_non_specific): New.
4151         (get_asm_expr_operands): Set it.
4152         (add_call_clobber_ops, add_call_read_ops): Likewise.
4153         (add_stmt_operand): Test it instead of opf_kill_def when
4154         considering unmodifiable variables.
4155
4156         * tree-ssa-operands.c (get_expr_operands): Fix exact test.
4157
4158 2005-05-19  Kazu Hirata  <kazu@cs.umass.edu>
4159
4160         * cfgexpand.c, tree-cfg.c, tree-inline.c, tree-optimize.c,
4161         tree-ssa-forwprop.c: Fix comment typos.
4162         * doc/invoke.texi: Fix a typo.
4163
4164 2005-05-18  Richard Henderson  <rth@redhat.com>
4165
4166         * config.gcc (powerpc-*-linux*): Include linux64.opt when
4167         including linux64.h.
4168
4169 2005-05-18  Richard Henderson  <rth@redhat.com>
4170
4171         * tree-cfg.c (pass_remove_useless): Revert last change.
4172         * tree-optimize.c (init_tree_optimization_passes): Initialize
4173         all_lowering_passes with PROP_gimple_any.
4174
4175 2005-05-18  Devang Patel  <dpatel@apple.com>
4176
4177         * config/rs6000/rs6000.md (insvsi_internal1): Subtract shift from
4178         the mask end.
4179         
4180 2005-05-18  Richard Henderson  <rth@redhat.com>
4181
4182         * tree-ssa-forwprop.c (cfg_changed): New.
4183         (tidy_after_forward_propagate_addr): New.
4184         (forward_propagate_addr_expr): Use it, and fold_stmt_inplace.
4185         (forward_propagate_addr_into_variable_array_index): Likewise.
4186         (tree_ssa_forward_propagate_single_use_vars): Cleanup cfg if
4187         edges were removed.
4188
4189 2005-05-18  Geoffrey Keating  <geoffk@apple.com>
4190
4191         * dummy-checksum.c: New.
4192         * genchecksum.c: New.
4193         * c.opt (print_pch_checksum): New flag.
4194         * c-pch.c (struct c_pch_validity): Make much shorter.
4195         (no_checksum): New.
4196         (host_machine): Remove.
4197         (target_machine): Remove.
4198         (get_ident): Change PCH version number.
4199         (pch_init): When -fverbose-asm, print out the compiler fingerprint.
4200         Don't put triplets or version string in PCH validity data.
4201         Do put the compiler checksum in the validity data.
4202         (c_common_valid_pch): Don't check triplets or version string.  Do
4203         check checksum.
4204         (c_common_print_pch_checksum): New.
4205         * c-opts.c (c_common_handle_option): Add OPT_print_pch_checksum.
4206         Print fingerprint with -v.
4207         * c-common.h (c_common_print_pch_checksum): New.
4208         (executable_checksum): New.
4209         * Makefile.in (STAGEMOVESTUFF): Add cc1*-dummy, *-checksum.c.
4210         (cc1-dummy): New rule.
4211         (cc1-checksum.c): New rule.
4212         (cc1-checksum.o): New rule.
4213         (cc1): Add checksum support.
4214         (build/genchecksum): New.
4215         (build/genchecksum.o): New.
4216         (dummy-checksum.o): New.
4217         (genobjnames): Add genchecksum.o.
4218         (mostlyclean): Remove *-checksum.c.
4219         (gnucompare): Add libgcc to list of directories checked.
4220         Make comparison problems in libgcc/ and with checksum files only
4221         be warnings.
4222         * doc/invoke.texi (Precompiled Headers): Remove caution.
4223         Document that it must be the exact same binary.  Add a few
4224         known-safe flags to the list.
4225
4226         * rs6000/predicates.md (fix_trunc_dest_operand): New.
4227         * rs6000/rs6000.md (fix_truncdfsi2): Use fix_trunc_dest_operand.
4228         Check that a memory operand is valid before trying to use it.
4229         
4230         * tree-cfg.c (pass_remove_useless): This pass works on trees.
4231
4232 2005-05-18  Richard Guenther  <rguenth@gcc.gnu.org>
4233
4234         * tree.c (build1_stat): Don't try to handle two-operand
4235         tree codes.
4236
4237 2005-05-18  Richard Sandiford  <rsandifo@redhat.com>
4238
4239         * config.gcc (sh*-*-*): Define SUPPORT_* macros to 1.
4240         * config/sh/sh.h: Update mask names throughout.
4241         (target_flags, ISIZE_BIT, DALIGN_BIT, SH1_BIT, SH2_BIT, SH3_BIT)
4242         (SH_E_BIT, HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, SH4A_BIT, FMOVD_BIT)
4243         (SH5_BIT, SPACE_BIT, BIGTABLE_BIT, RELAX_BIT, USERMODE_BIT)
4244         (HITACHI_BIT, NOMACSAVE_BIT, PREFERGOT_BIT, PADSTRUCT_BIT)
4245         (LITTLE_ENDIAN_BIT, IEEE_BIT, SAVE_ALL_TR_BIT, HARD_SH2A_BIT)
4246         (HARD_SH2A_DOUBLE_BIT, INDEXED_ADDRESS_BIT, PT_FIXED_BIT)
4247         (INVALID_SYMBOLS_BIT, ADJUST_UNROLL_BIT, TARGET_DUMPISIZE)
4248         (TARGET_ALIGN_DOUBLE, TARGET_SH1, TARGET_SH2, TARGET_SH3)
4249         (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH5, TARGET_FMOVD)
4250         (TARGET_IEEE, TARGET_SMALLCODE, TARGET_BIGTABLE, TARGET_RELAX)
4251         (TARGET_HITACHI, TARGET_NOMACSAVE, TARGET_PADSTRUCT)
4252         (TARGET_LITTLE_ENDIAN, TARGET_USERMODE, TARGET_PREFERGOT)
4253         (TARGET_SAVE_ALL_TARGET_REGS, TARGET_ALLOW_INDEXED_ADDRESS)
4254         (TARGET_PT_FIXED, TARGET_INVALID_SYMBOLS, TARGET_ADJUST_UNROLL)
4255         (TARGET_SWITCH_SH1, TARGET_SWITCH_SH2, TARGET_SWITCH_SH2E)
4256         (TARGET_SWITCH_SH2A, TARGET_SWITCH_SH2A_SINGLE_ONLY)
4257         (TARGET_SWITCH_SH2A_SINGLE, TARGET_SWITCH_SH2A_NOFPU)
4258         (TARGET_SWITCH_SH3, TARGET_SWITCH_SH3E, TARGET_SWITCH_SH4_SINGLE_ONLY)
4259         (TARGET_SWITCH_SH4_SINGLE, TARGET_SWITCH_SH4_NOFPU, TARGET_SWITCH_SH4)
4260         (TARGET_SWITCH_SH4A, TARGET_SWITCH_SH4A_SINGLE_ONLY)
4261         (TARGET_SWITCH_SH4A_SINGLE, TARGET_SWITCH_SH4A_NOFPU)
4262         (TARGET_SWITCH_SH4AL, TARGET_SWITCH_SH5_64MEDIA)
4263         (TARGET_SWITCH_SH5_64MEDIA_NOFPU, TARGET_SWITCHES_SH5_32MEDIA)
4264         (TARGET_SWITCHES_SH5_32MEDIA_NOFPU, TARGET_SWITCH_SH5_32_ANY_EXTRA)
4265         (TARGET_SWITCH_SH5_MEDIA_ANY_EXTRA, TARGET_SWITCHES)
4266         (SUBTARGET_SWITCHES): Delete.
4267         (TARGET_SH2E, TARGET_SH2A, TARGET_SH2A_SINGLE, TARGET_SH2A_DOUBLE)
4268         (TARGET_SH3E, TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARVARD)
4269         (TARGET_FPU_DOUBLE, TARGET_SH4A_ARCH, TARGET_SHMEDIA32)
4270         (TARGET_SHMEDIA64): Redefine using other TARGET_* macros.
4271         (TARGET_SH4): Undefine options.h definition and check MASK_SH1 as well.
4272         (SUPPORT_SH1, SUPPORT_SH2E, SUPPORT_SH4, SUPPORT_SH4_SINGLE)
4273         (SUPPORT_SH2A, SUPPORT_SH2A_SINGLE): Make numeric.
4274         (SUPPORT_SH2): Define to 1 if SUPPORT_SH1.
4275         (SUPPORT_SH3): Likewise SUPPORT_SH2.
4276         (SUPPORT_SH4_NOFPU): Likewise SUPPORT_SH3.
4277         (SUPPORT_SH4A_NOFPU, SUPPORT_SH4AL, SUPPORT_SH2A_NOFPU): Likewise
4278         SUPPORT_SH4_NOFPU.
4279         (SUPPORT_SH3E): Likewise SUPPORT_SH2E.
4280         (SUPPORT_SH4_SINGLE_ONLY, SUPPORT_SH4A_SINGLE_ONLY)
4281         (SUPPORT_SH2A_SINGLE_ONLY): Likewise SUPPORT_SH3E.
4282         (SUPPORT_SH4A): Likewise SUPPORT_SH4.
4283         (SUPPORT_SH4A_SINGLE): Likewise SUPPORT_SH4_SINGLE.
4284         (SUPPORT_SH5_32MEDIA): Likewise SUPPORT_SH5_COMPACT.
4285         (SUPPORT_SH5_32MEDIA_NOFPU): Likewise SUPPORT_SH5_COMPACT_NOFPU.
4286         (SUPPORT_ANY_SH5_32MEDIA, SUPPORT_ANY_SH5_64MEDIA)
4287         (SUPPORT_ANY_SH5): New macros.
4288         (TARGET_NONE): Replace with...
4289         (MASK_ARCH): ...this new macro.
4290         * config/sh/elf.h: Update mask names
4291         * config/sh/linux.h: Likewise.
4292         * config/sh/little.h: Likewise.
4293         * config/sh/netbsd-elf.h: Likewise.
4294         * config/sh/symbian-pre.h: Likewise.
4295         * config/sh/sh.c (sh_handle_option): New function.
4296         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
4297         (calc_live_regs): Use MASK_FPU_SINGLE instead of FPU_SINGLE_BIT.
4298         (sh_target_switches, target_switches): Delete.
4299         (sh_pch_valid_p): Check for specific differences in the target_flags
4300         settings.
4301         (sh_init_cumulative_args): Use MASK_HITACHI instead of HITACHI_BIT.
4302         * config/sh/sh.opt: New file.
4303
4304 2005-05-18  Richard Henderson  <rth@redhat.com>
4305
4306         PR target/21632
4307         * config/ia64/ia64.c (ia64_extra_constraint) <'T'>: Use
4308         small_addr_symbolic_operand.
4309
4310 2005-05-18  Jeff Law  <law@redhat.com>
4311
4312         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Do not
4313         propagate an ADDR_EXPR if the definition and use sites are
4314         in different EH regions.
4315
4316 2005-05-18  Ian Lance Taylor  <ian@airs.com>
4317
4318         * read-rtl.c (mode_attr_index): Use obstack_grow0, not
4319         obstack_grow.
4320
4321 2005-05-18  Daniel Berlin  <dberlin@dberlin.org>
4322
4323         * cfgrtl.c (purge_dead_edges): Don't remove fake edges.
4324
4325 2005-05-18  Daniel Berlin  <dberlin@dberlin.org>
4326         
4327         Fix PR tree-optimization/21407
4328
4329         * tree-ssa-operands.c (note_addressable): Change
4330         COMPONENT_REF handling in response to aliasing
4331         discussion.
4332
4333 2005-05-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
4334
4335         * config/sparc/sol2.h (TARGET_DEFAULT): Add back MASK_APP_REGS.
4336         * config/sparc/sol2-64.h (TARGET_DEFAULT): Likewise.
4337         * config/sparc/sp-elf.h (TARGET_DEFAULT): Delete.
4338         * doc/invoke.texi (SPARC options): Document that -mapp-regs is
4339         the default on Solaris too.
4340
4341 2005-05-17  Daniel Berlin  <dberlin@dberlin.org>
4342
4343         * tree-ssa-pre.c (find_or_generate_expression): CALL_EXPR
4344         is okay too.
4345
4346 2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
4347
4348         * timevar.def (TV_SCEV_CONST): New timevar.
4349         * tree-optimize.c (init_tree_optimization_passes): Add
4350         pass_scev_cprop.
4351         * tree-pass.h (pass_scev_cprop): Declare.
4352         * tree-scalar-evolution.c (scev_const_prop): New function.
4353         * tree-scalar-evolution.h (scev_const_prop): Declare.
4354         * tree-ssa-loop.c (gate_scev_const_prop, pass_scev_cprop):
4355         New.
4356         * tree-cfg.c (replace_uses_by): Export.
4357         * tree-flow.h (replace_uses_by): Declare.
4358
4359 2005-05-17  Ziemowit Laski  <zlaski@apple.com>
4360             Mike Stump  <mrs@apple.com>
4361
4362         Yet more Objective-C++...
4363
4364         * c-common.h (objc_finish_try_stmt): Add.
4365         (objc_build_synchronized): Add.
4366         (objc_generate_write_barrier): Add.
4367         * stub-objc.c (objc_build_synchronized): Add return value.
4368         (objc_finish_try_stmt): Likewise.
4369         (objc_generate_write_barrier): Add.
4370
4371         * c-common.h (objc_rewrite_function_call): Add.
4372         * c-typeck.c (build_function_call): Allow objc to rewrite
4373         FUNCTION_DECLs.
4374         (build_modify_expr): Allow objc to generate write barriers.
4375         * c.opt (Wassign-intercept): Add.
4376         (Wstrict-selector-match): Add.
4377         (fobjc-call-cxx-cdtors): Add.
4378         (fobjc-direct-dispatch): Add.
4379         (fobjc-gc): Add.
4380         * dbxout.c (get_lang_number): Add Objective-C++ support.
4381         * doc/invoke.texi (-fobjc-call-cxx-cdtors): Likewise.
4382         (-Wstrict-selector-match): Likewise.
4383         (-fobjc-direct-dispatch): Likewise.
4384         (-Wassign-intercept): Likewise.
4385         (Overall Options): Likewise.
4386         * gengtype.c (get_output_file_with_visibility): Likewise.
4387         * stub-objc.c (objc_rewrite_function_call): Add.
4388         * config/darwin.h (ASM_OUTPUT_LABELREF): Improved quoting support.
4389
4390         * c-common.c (flag_objc_exceptions): Remove.
4391         (flag_objc_sjlj_exceptions): Remove.
4392         * c-decl.c (objc_mark_locals_volatile): Don't change decls
4393         that are already ok.
4394         * c-opts.c (c_common_handle_option, case
4395         OPT_fobjc_exceptions): Remove.
4396         (case OPT_fobjc_sjlj_exceptions): Remove
4397         * c.opt (fobjc-call-cxx-cdtors): Have opt create the flag.
4398         (fobjc-exceptions): Likewise.
4399         (fobjc-sjlj-exceptions): Likewise.
4400         * config/rs6000/darwin.h (OFFS_MSGSEND_FAST): Add.
4401         (OFFS_ASSIGNIVAR_FAST): Add.
4402         
4403 2005-05-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
4404
4405         * config/sparc/sparc.md (movhi): Do not test constness
4406         of operand #1 twice.
4407         (movsi): Likewise.
4408         (movdi): Unconditionally accept zero as second operand
4409         when the first is memory.
4410         (movdi_insn_sp32): Handle above case.
4411         (DImode splitter): Use predicates.
4412         (DImode splitter): Use const_zero_operand predicate.
4413         (movsf_insn): Swap 2 alternatives.
4414
4415 2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
4416
4417         * tree-ssa-loop-ivopts.c (find_bivs, find_givs_in_stmt_scev): Apply
4418         expand_simple_operations to bases of the ivs.
4419         (tree_int_cst_sign_bit): Export.
4420         * tree-flow.h (expand_simple_operations): Declare.
4421         * tree-ssa-loop-niter.c (number_of_iterations_cond): Use
4422         tree_int_cst_sign_bit.
4423         (expand_simple_operations): Export.
4424         * tree.h (tree_int_cst_sign_bit): Declare.
4425
4426 2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
4427
4428         * tree-cfg.c (tree_can_merge_blocks_p): Allow phi nodes in the
4429         merged block.
4430         (replace_uses_by): New function.
4431         (tree_merge_blocks): Eliminate the phi nodes in the merged block.
4432         * tree-flow.h (fold_stmt_inplace): Declare.
4433         * tree-ssa-ccp.c (fold_stmt_inplace): New function.
4434         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update dominance
4435         info after cfg cleanup.
4436
4437 2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
4438
4439         * cfgloop.h (just_once_each_iteration_p): Declaration changed.
4440         * cfgloopanal.c (just_once_each_iteration_p): Make the loop argument
4441         const.
4442
4443 2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
4444
4445         * ggc-page.c (ggc_alloc_stat): Record amount of memory allocated.
4446         * ggc-zone.c (ggc_alloc_zone_1): Ditto.
4447         * timevar.c (timevar_ggc_mem_total): New variable.
4448         (GGC_MEM_BOUND): New constant.
4449         (get_time): Record ggc memory status.
4450         (timevar_accumulate): Accumulate amount of ggc memory.
4451         (timevar_print): Print consumption of ggc memory.
4452         * timevar.def (TV_FIND_REFERENCED_VARS, TV_TREE_REDPHI,
4453         TV_TREE_LOOP_BOUNDS, TV_TREE_LOOP_IVCANON, TV_TREE_VECTORIZATION,
4454         TV_TREE_LINEAR_TRANSFORM): Shorten strings to fit in 22 characters.
4455         * timevar.h (struct timevar_time_def): Add ggc_mem field.
4456         (timevar_ggc_mem_total): Declare.
4457
4458 2005-05-17  Kazu Hirata  <kazu@cs.umass.edu>
4459
4460         * tree-into-ssa.c (update_ssa): Clean up by shortening the
4461         live range of DFS.
4462
4463 2005-05-17  Hans-Peter Nilsson  <hp@axis.com>
4464
4465         * config/cris/cris.md (ncond, ocode, rcond): Remove separate
4466         define_code_attr.
4467         ("b<ncond:code>", "b<ocond:code>", "b<rcond:code>")
4468         ("*b<ncond:code>_reversed", "*b<ocond:code>_reversed")
4469         ("*b<rcond:code>_reversed", "s<ncond:code>", "s<rcond:code>")
4470         ("s<ocond:code>"): Rename from respectively "b<ncond>",
4471         "b<ocond>", "b<rcond>", ("*b<ncond>_reversed",
4472         "*b<ocond>_reversed", "*b<rcond>_reversed", "s<ncond>",
4473         "s<rcond>" and "s<ocond>".
4474         ("b<ocond:code>", "*b<ocond:code>_reversed")
4475         ("*b<rcond:code>_reversed"): Remove extraneous backslashes in
4476         output statement section.
4477
4478 2005-05-17  Roger Sayle  <roger@eyesopen.com>
4479
4480         * c-typeck.c (common_type): Also handle BOOLEAN_TYPEs.
4481
4482 2005-05-17  Steven Bosscher  <stevenb@suse.de>
4483             Stuart Hastings <stuart@apple.com>
4484             Jan Hubicka  <jh@suse.cz>
4485             Dale Johannesen  <dalej@apple.com>
4486
4487         * cgraph.h (cgraph_node): Add 'lowered' state.
4488         (cgraph_lower_function): Declare.
4489         * cgraphunit.c (cgraph_finalize_function): Initialize lowered flag.
4490         (cgraph_lower_function): New function.
4491         (cgraph_create_edges): Deal with lowered function bodies.
4492         (verify_cgraph_node): Likewise.
4493         (cgraph_analyze_function): Do lowering job.
4494         (cgraph_build_static_cdtor): Likewise.
4495         * function.h (struct function): Add saved_eh and saved_cfg.
4496         * integrate.c (copy_decl_for_inlining): Kill LABEL_DECL_UID field.
4497         * tree-cfg.c (fold_cond_expr_cond): Export.
4498         * tree-flow.h (fold_cond_expr_cond): Declare.
4499         * tree-inline.c: Include basic-block, ggc, tree-flow, except.h and
4500         pointer-set.
4501         (struct_inline_data): Kill fnd, first_inlined_fn, ret_label,
4502         in_target_cleanup_p, tree_pruner, tsi; add callee, caller and
4503         callee_cfun, block, eh_region, eh_region_offset.
4504         (inlining_p): New predicate.
4505         (remap_decl): Update for new inline_data; declare newly created inline
4506         vars in low gimple way.
4507         (copy_body_r): Update for new datastructure, simplify some of handling
4508         when we are in gimple; remap LABEL_DECLs for EH; copy TREE_BLOCK;
4509         deal with RESX_EXPRs.
4510         (copy_bb): New.
4511         (copy_edges_for_bb): Likewise.
4512         (remap_decl_1): New.
4513         (copy_cfg_body): New.
4514         (copy_generic_body): Rewrite to work on low gimple.
4515         (copy_body): Turn into simple wrapper around copy_cfg_body.
4516         (setup_one_parameter): Insert new statements into given basic block.
4517         (initialize_initialized_parameters): Likewise, reorganize way things are
4518         gimplified.
4519         (declare_return_variable): Update for new inline data datastructure.
4520         (inline_forbidden_p): Work on low gimple.
4521         (estimate_num_insns): Likewise.
4522         (expand_call_inline): Work on CFG.
4523         (push_cfun, pop_cfun): New functions.
4524         (cfun_stack): New stack.
4525         (add_lexical_block): New function.
4526         (gimple_expand_calls_inline): Work on basic block.
4527         (optimize_inline_calls): Likewise.
4528         (clone_body, save_body, unsave_ewpr_now): Update for new
4529         datastructures.
4530         (declare_inline_vars): Work on block instead of bind_expr.
4531         (inlining_p): New predicate.
4532         * tree-inline.h (push_cfun, pop_cfun): Declare.
4533         * tree-optimize.c: Include except.h
4534         (all_lowering_passes): New variable.
4535         (execute_fixup_cfg, pass_fixup_cfg): New pass.
4536         (init_tree_optimization_passes): Move some to all_lowering_passes.
4537         (tree_lowering_passes): New function.
4538         (tree_rest_of_compilation): Register cfg hooks; save/unsave eh.
4539         * tree-pass.h (tree_lowering_passes): Declare
4540
4541 2005-05-17  Nathan Sidwell  <nathan@codesourcery.com>
4542
4543         * unwind-dw2-fde-darwin.c: Include tsystem.h.
4544
4545 2005-05-17  Jeff Law  <law@redhat.com>
4546
4547         * Makefile.in (tree-ssa-forwprop.o): Depend on langhooks.h.
4548         * tree-ssa-forwprop.c: Include langhooks.h.
4549         (forward_propagate_addr_expr_into_variable_array_index): New.
4550         (forward_propagate_addr_expr): New.
4551         (tree_ssa_forward_propagate_single_use_vars): Loop over all
4552         the statements in the block instead of just the last statement.
4553         Call forward_propagate_addr_expr as needed.
4554         (pass_forwprop): Update the SSA graph after forward propagation is
4555         complete.
4556
4557 2005-05-17  Nathan Sidwell  <nathan@codesourcery.com>
4558
4559         * unwind-dw2-fde-glibc.c (base_from_cb_data,
4560         _Unwind_IteratePhdrCallback): Use gcc_assert and gcc_unreachable as
4561         appropriate.
4562         * unwind-dw2-fde.c (__deregister_frame_info_bases,
4563         base_from_object, fde_split, end_fde_sort): Likewise.
4564         * unwind-dw2.c (_Unwind_GetGR, _Unwind_SetGR, execute_stack_op, 
4565         execute_cfa_program, _Unwind_SetSpColumn, uw_update_context_1,
4566         uw_init_context_1): Likewise.
4567         * unwind.inc (_Unwind_RaiseException_Phase2, _Unwind_Resume,
4568         _Unwind_Resume_or_Rethrow): Likewise.
4569         * unwind-pe.h (__gxx_abort): Do not define.
4570         (size_of_encoded_value, base_of_encoded_value,
4571         read_encoded_value_with_base): Use gcc_unreachable.
4572         * unwind.h (_Unwind_GetTextRelBase): Likewise.
4573
4574 2005-05-17  Daniel Jacobowitz  <dan@codesourcery.com>
4575
4576         * config/arm/lib1funcs.asm (cfi_pop, cfi_push, cfi_start)
4577         (cfi_end): New macros.
4578         (RETLDM): Use cfi_pop.  Expect an eight byte stack frame.
4579         (ARM_LDIV0, THUMB_LDIV0, DIV_FUNC_END): Use CFI macros.  Create
4580         an eight byte stack frame.
4581         (__NR_tkill): Define.
4582         (__div0): Use gettid tkill on GNU/Linux.
4583         (_arm_return): Add CFI.
4584         (Lchange_\register, .Lchange_lr): Create an eight byte stack frame.
4585
4586 2005-05-17  Daniel Jacobowitz  <dan@codesourcery.com>
4587
4588         * configure.ac: Remove spaces around assignment to
4589         gcc_cv_ld_sysroot.
4590         * configure: Regenerated.
4591
4592 2005-05-17  David Edelsohn  <edelsohn@gnu.org>
4593
4594         * config/rs6000/aix.h (TARGET_ALTIVEC_VRSAVE): Delete.
4595         * config/rs6000/rs6000.c (rs6000_explicit_options): Add
4596         aix_struct_ret.
4597         (rs6000_override_options): Do not protect TARGET_ALTIVEC_VRSAVE.
4598         Modify aix_struct_return variable, not target_flags.
4599         (rs6000_handle_option): Do not protect TARGET_ALTIVEC_VRSAVE.
4600         (rs6000_return_in_memory): Test aix_struct_return.
4601         * config/rs6000/rs6000.opt (maix-struct-return): Convert to
4602         independent variable.  Report mxl-compat.
4603
4604 2005-05-17  Bernd Schmidt  <bernd.schmidt@analog.com>
4605
4606         * config/bfin/bfin.md (eh_return): Add missing DONE.
4607
4608 2005-05-17  Ian Lance Taylor  <ian@airs.com>
4609
4610         * read-rtl.c (struct macro_traverse_data): Add unknown_mode_attr
4611         field.
4612         (mode_attr_index): Remove check for defined attribute.  Remove
4613         infile parameter.  Change all callers.
4614         (apply_mode_maps): Add unknown parameter.  Change caller.  Always
4615         return after finding attribute.
4616         (apply_macro_to_rtx): Add unknown_mode_attr parameter.  Change
4617         callers.
4618         (apply_macro_traverse): Set mtd->unknown_mode_attr.
4619         (read_rtx): Use mtd.unknown_mode_attr to check for an undefined
4620         attribute used for a mode.
4621
4622 2005-05-17  Paolo Bonzini  <bonzini@gnu.org>
4623
4624         * tree-ssa-math-opts.c: New file.
4625
4626 2005-05-17  Paolo Bonzini  <bonzini@gnu.org>
4627
4628         * Makefile.in: Add tree-ssa-math-opts.c.
4629         * expr.c (expand_expr_real_1) <case RDIV_EXPR>: Never emit as a*(1/b).
4630         * fold-const.c (distribute_real_division): New.
4631         (fold_binary) <case PLUS_EXPR, case MINUS_EXPR>: Use it.
4632         * tree-pass.h (pass_cse_reciprocals): New.
4633         * tree-optimize.c (init_tree_optimization_passes): Run it.
4634         * doc/passes.texi: Document the new pass.
4635
4636 2005-05-17  Richard Guenther  <rguenth@gcc.gnu.org>
4637
4638         PR middle-end/21595
4639         * builtins.c (fold_builtin_constant_p): Handle
4640         &"string cst"[0] as constant.
4641
4642 2005-05-17  Richard Henderson  <rth@redhat.com>
4643
4644         * config/i386/sse.md (mulv16qi3, mulv2di3): New.
4645
4646 2005-05-17  Jakub Jelinek  <jakub@redhat.com>
4647
4648         PR middle-end/21492
4649         * cfgcleanup.c (try_crossjump_to_edge): update_forwarder_flag for
4650         src2 if src2 has been split.
4651
4652         PR tree-optimization/21610
4653         * c-typeck.c (decl_constant_value_for_broken_optimization): If not
4654         returning DECL, call unshare_expr.
4655
4656 2005-05-17  Hans-Peter Nilsson  <hp@axis.com>
4657
4658         * config/cris/cris.md: Unquote preparation and output statements.
4659         (BWD, WD, BW): New, mode-macros.
4660         (S, s, m, mm, nbitsm1): New, mode-attrs.
4661         (szext, shift, shiftrt, ncond, ocond, rcond): New, code-macros.
4662         (u, su, shlr, slr, ncond, ocond, rcond, rCC, oCC, roCC): New,
4663         code-attrs.
4664         ("tst<mode>"): Replace "tstqi", "tsthi" and "tstsi".
4665         ("*cmp_ext<mode>"): Replace "*cmp_extsi" and "*cmp_exthi".
4666         ("*cmp_swapext<mode>"): Replace "*cmp_swapextqi" and
4667         "*cmp_swapexthi".
4668         ("cmp<mode>"): Replace "cmphi" and "cmpqi".
4669         ("movdi"): Move misplaced head comment regarding necessity of
4670         movdi from movsi to here.
4671         ("*mov_side<mode>_biap"): Replace "*mov_sideqi_biap" and
4672         "*mov_sidehi_biap".
4673         ("*mov_side<mode>"): Replace "*mov_sideqi" and "*mov_sidehi".
4674         ("*mov_side<mode>_biap_mem", "*mov_sidehi_biap_mem"): Replace
4675         "*mov_sideqi_biap_mem".
4676         ("*mov_side<mode>_mem"): Replace "*mov_sideqi_mem" and
4677         "*mov_sidehi_mem".
4678         ("*clear_side<mode>_biap"): Replace "*clear_sidesi_biap",
4679         "*clear_sidehi_biap" and "*clear_sideqi_biap".
4680         ("*clear_side<mode>"): Replace "*clear_sidesi", "*clear_sidehi"
4681         and "*clear_sideqi".
4682         ("*ext_side<mode>si_biap"): Replace "*ext_sideqisi_biap" and
4683         "*ext_sidehisi_biap".
4684         ("*ext_side<mode>si"): Replace "*ext_sideqisi" and
4685         "*ext_sidehisi".
4686         ("reload_in<mode>"): Replace "reload_inhi" and "reload_inqi".
4687         ("reload_out<mode>"): Replace "reload_outhi" and "reload_outqi".
4688         ("extend<mode>di2"): Replace "extendhidi2" and "extendqidi2".
4689         ("extend<mode>si2"): Replace "extendhisi2" and "extendqisi2".
4690         ("zero_extend<mode>si2"): Replace "zero_extendhisi2" and
4691         "zero_extendqisi2".
4692         ("*op_side<mode>_biap"): Replace "*op_sideqi_biap",
4693         "*op_sidehi_biap" and "*op_sidesi_biap".
4694         ("*op_side<mode>"): Replace "*op_sideqi", "*op_sidehi" and
4695         "*op_sidesi".
4696         ("*op_swap_side<mode>_biap"): Replace "*op_swap_sideqi_biap",
4697         "*op_swap_sidehi_biap" and "*op_swap_sidesi_biap".
4698         ("*op_swap_side<mode>"): Replace "*op_swap_sideqi",
4699         "*op_swap_sidehi" and "*op_swap_sidesi".
4700         ("sub<mode>3"): Replace "subhi3" and "subqi3", correcting a typo
4701         in the N alternative of "subqi3".
4702         ("*extop<mode>si_side_biap"): Replace "*extopqisi_side_biap" and
4703         "*extophisi_side_biap".
4704         ("*extop<mode>si_side"): Replace "*extopqisi_side" and
4705         "*extophisi_side".
4706         ("*extop<mode>si_swap_side_biap"): Replace
4707         "*extopqisi_swap_side_biap" and "*extophisi_swap_side_biap".
4708         ("*extop<mode>si_swap_side"): Replace "*extopqisi_swap_side" and
4709         "*extophisi_swap_side".
4710         ("*extop<mode>si"): Replace "*extopqisi" and "*extophisi".
4711         ("*extop<mode>si_swap"): Replace "*extopqisi_swap" and
4712         "*extophisi_swap".
4713         ("<u>mul<s><mode>3"): Replace "umulhisi3", "umulqihi3",
4714         "mulqihi3", "mulhisi3" and "mulhisi3".
4715         ("<u>mulsidi3"): Replace "mulsidi3" and "umulsidi3".
4716         ("<su>mulsi3_highpart"): Replace "smulsi3_highpart" and
4717         "umulsi3_highpart".
4718         ("xor<mode>3"): Replace "xorhi3" and "xorqi3".
4719         ("neg<mode>2"): Replace "negsi2", "neghi2" and "negqi2".
4720         ("one_cmpl<mode>2"): Replace "one_cmplhi2" and "one_cmplqi2".
4721         ("<shlr>si3"): Replace "ashrsi3", "lshrsi3" and "ashlsi3".
4722         ("ashr<mode>3"): Replace "ashrhi3" and "ashrqi3".
4723         ("*expanded_<shlr><mode>"): Replace "*expanded_ashrhi",
4724         "*expanded_ashrqi", "*expanded_lshrhi" and "*expanded_lshrqi".
4725         ("*<shlr><mode>_lowpart"): Replace "*ashrhi_lowpart",
4726         "*ashrqi_lowpart", "*lshrhi_lowpart" and "*lshrqi_lowpart".
4727         ("lshr<mode>3"): Replace "lshrhi3" and "lshrqi3".
4728         ("ashl<mode>3"): Replace "ashlhi3" and "ashlqi3".
4729         ("*ashl<mode>_lowpart"): Replace "*ashlqi_lowpart" and
4730         "*ashlhi_lowpart".
4731         ("abs<mode>2"): Replace "abshi2" and "absqi2".
4732         ("b<ncond>"): Replace "beq", "bne", "bgtu", "bltu", "bgeu" and
4733         "bleu".
4734         ("b<ocond>"): Replace "bgt" and "ble".
4735         ("b<rcond>"): Replace "blt" and "bge".
4736         ("*b<ncond>_reversed"): Replace "*beq_reversed", "*bne_reversed",
4737         "*bgtu_reversed", "*bltu_reversed", "*bgeu_reversed" and
4738         "*bleu_reversed".
4739         ("*b<ocond>_reversed"): Replace "*bgt_reversed" and
4740         "*ble_reversed".
4741         ("*b<rcond>_reversed"): Replace "*blt_reversed" and
4742         "*blt_reversed".
4743         ("s<ncond>"): Replace "sgeu", "sltu", "seq", "sgtu", "sleu" and
4744         "sne".
4745         ("s<rcond>"): Replace "sge" and "slt".
4746         ("s<ocond>"): Replace "sgt" and "sle".
4747         ("clear.[bwd] [rx=rx+rz.S2]"): Replace split clear.d
4748         [rx=rx+rz.S2], clear.w [rx=rx+rz.S2] and clear.b [rx=rx+rz.S2].
4749         ("clear.[bwd] [rx=rx+i]"): Replace splits clear.d [rx=rx+i],
4750         clear.w [rx=rx+i] and clear.b [rx=rx+i].
4751
4752 2005-05-17  Jakub Jelinek  <jakub@redhat.com>
4753
4754         * varasm.c (struct constant_descriptor_tree): Add hash field.
4755         (const_desc_hash): Just return hash field.
4756         (const_desc_eq): If hash values are different, return 0 immediately.
4757         (output_constant_def): Compute hash field of temporary key, use
4758         htab_find_slot_with_hash instead of htab_find_slot.  Set hash in
4759         newly built constant descriptor.
4760         (lookup_constant_def): Compute hash field of temporary key, use
4761         htab_find_with_hash instead of htab_find.
4762
4763 2005-05-16  Richard Henderson  <rth@redhat.com>
4764
4765         * config/i386/sse.md (mulv4si3): New.
4766
4767 2005-05-17  Hans-Peter Nilsson  <hp@axis.com>
4768
4769         * config/cris/cris.h (EXTRA_CONSTRAINT_T): Remove FIXME and
4770         tests for noncanonical versions of reg+constant and
4771         reg+reg*{1,2,4}.
4772
4773 2005-05-16  Richard Henderson  <rth@redhat.com>
4774             Steven Bosscher <stevenb@suse.de>
4775
4776         PR tree-opt/21399
4777         * tree-eh.c (maybe_clean_or_replace_eh_stmt): Rename from 
4778         maybe_clean_eh_stmt; take old stmt parameter.  Update EH
4779         region data structure to match replacement.
4780         * tree-flow.h: Update to match.
4781         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
4782         * tree-ssa-dom.c (optimize_stmt): Likewise.
4783         * tree-ssa-pre.c (eliminate): Likewise.
4784         * tree-ssa-propagate.c (substitute_and_fold): Likewise.
4785
4786 2005-05-16  Caroline Tice  <ctice@apple.com>
4787
4788         * bb-reorder.c (verify_hot_cold_block_grouping):  Replace
4789         internal_error with gcc_assert.
4790         * dwarf2out.c (dwarf2out_switch_text_section):  Likewise.
4791         * function.h (struct function): Remove space between "*" and
4792         struct field names.
4793         * varasm.c (initialize_cold_section_name):   Add gcc_assert;
4794         modify to use alloca.
4795         (unlikely_text_section): Add check for flag_function_sections.
4796         (assemble_start_function):  Move call to resolve_section, so it
4797         comes before first call to unlikely_text_section.
4798         (assemble_end_function):  Add test and call to function_section
4799         if appropriate.
4800         
4801 2005-05-16  Roger Sayle  <roger@eyesopen.com>
4802
4803         * c-common.c (c_common_truthvalue_conversion): Use fold_build2
4804         instead of build_binary_op when performing code transformations
4805         to avoid error messages about constructs not it the user's code.
4806
4807 2005-05-16  Kazu Hirata  <kazu@cs.umass.edu>
4808
4809         * tree-ssa-pre.c: Fix a comment typo.
4810
4811 2005-05-16  Richard Henderson  <rth@redhat.com>
4812
4813         PR target/21556
4814         * config/ia64/ia64.md (load_dtpmod, load_ltoff_dtpmod, load_dtprel,
4815         load_dtprel64, load_dtprel22, load_dtprel_gd, load_ltoff_dtprel,
4816         add_dtprel, add_dtprel14, add_dtprel22, load_tprel, load_tprel64,
4817         load_tprel22, load_tprel_ie, load_ltoff_tprel, add_tprel, add_tprel14,
4818         add_tprel22): Remove mode from symbolic operand.
4819
4820 2005-05-16  Richard Sandiford  <rsandifo@redhat.com>
4821
4822         * optc-gen.awk: Include intl.h after the externally-provided files.
4823
4824 2005-05-16  Kazu Hirata  <kazu@cs.umass.edu>
4825
4826         * tree-ssa-copy.c (copy_prop_visit_assignment): Clean up by
4827         folding a COND_EXPR_COND in a nondestructive manner.
4828
4829 2005-05-16  Fariborz Jahanian <fjahanian@apple.com>
4830
4831         * config/rs6000/altivec.md (altivec_vmrghb, altivec_vmrghh, 
4832         altivec_vmrghw, altivec_vmrglb, altivec_vmrglh, altivec_vmrglw):
4833         New values for vec_select definitions and bitmask for element
4834         selection.
4835          
4836 2005-05-16  Kazu Hirata  <kazu@cs.umass.edu>
4837
4838         * dwarf2out.c (used_rtx_varray): Rename to used_rtx_array.
4839         Change the type to VEC(rtx,gc)*.
4840         (mem_loc_descriptor, add_const_value_attributes,
4841         dwarf2out_init): Adjust uses of used_rtx_varray.
4842
4843         * tree-data-ref.c (compute_all_dependences): Change the type
4844         of dependence_relations to VEC(ddr_p,heap)**.
4845         (compute_data_dependences_for_loop): Change the type of
4846         allrelations to VEC(ddr_p,heap)*.
4847
4848 2005-05-16  Richard Sandiford  <rsandifo@redhat.com>
4849
4850         * Makefile.in (options.c): Tell optc-gen.awk to include config.h,
4851         system.h, coretypes.h and tm.h.
4852         (options.o): Update dependencies accordingly.
4853         * optc-gen.awk: Allow header_name to be a list of filenames.
4854         Handle the "Condition" flag.
4855         * opts.h (CL_DISABLED): New flag.
4856         * opts.c (handle_option): Print an error for CL_DISABLED options.
4857         * doc/options.texi: Document the "Condition" option flag.
4858
4859 2005-05-16  Paolo Bonzini  <bonzini@gnu.org>
4860
4861         * tree-inline.c (estimate_num_insns_1): Handle VEC_COND_EXPR.
4862
4863 2005-05-15  Roger Sayle  <roger@eyesopen.com>
4864
4865         * tree-scalar-evolution.c (set_nb_iterations_in_loop): Only
4866         check for TREE_OVERFLOW on INTEGER_CST trees.
4867         * tree-chrec.c (chrec_convert): Only clear TREE_OVERFLOW on
4868         CONSTANT_CLASS_P tree nodes.
4869
4870 2005-05-15  H.J. Lu  <hongjiu.lu@intel.com>
4871
4872         PR target/21551
4873         * config/ia64/ia64.c (ia64_expand_move): Don't add addend twice.
4874
4875 2005-05-15  Daniel Berlin  <dberlin@dberlin.org>
4876             
4877         Fix PR tree-optimization/21576
4878         
4879         * tree-ssa-pre.c (expression_node_pool): New pool.
4880         (comparison_node_pool): Ditto.
4881         (list_node_pool): Ditto.
4882         (pool_copy_list): New function.
4883         (phi_translate): Handle CALL_EXPR.
4884         (valid_in_set): Ditto.
4885         (create_expression_by_pieces): Ditto.
4886         (insert_into_preds_of_block): Ditto.
4887         (insert_aux): Ditto.
4888         (compute_avail): Ditto.
4889         (create_value_expr_from): Handle TREE_LIST and CALL_EXPR.
4890         (can_value_number_call): New function.
4891         (find_leader): Update comment.
4892         (init_pre): Create new pools.
4893         (fini_pre): Free new pools.
4894         (pass_pre): Add TODO_update_ssa for the future when we are going
4895         to need vops.
4896         * tree-vn.c (expressions_equal_p): Handle TREE_LIST.
4897         (set_value_handle): Ditto.
4898         (get_value_handle): Ditto.
4899
4900 2005-05-15  Richard Earnshaw  <richard.earnshaw@arm.com>
4901
4902         * arm.c (thumb_unexpanded_epilogue): Delete unused variable 'mode'.
4903
4904 2005-05-15  Andreas Jaeger  <aj@suse.de>
4905
4906         * gcc.c (pfatal_pexecute): Remove unused local function.
4907
4908 2005-05-15  Richard Sandiford  <rsandifo@redhat.com>
4909
4910         * optc-gen.awk: Remove excess indentation.
4911         * opth-gen.awk: Likewise.
4912
4913 2005-05-14  Kaz Kojima  <kkojima@gcc.gnu.org>
4914
4915         * config/sh/sh.c (sh_output_mi_thunk): Check cfun->cfg instead
4916         of basic_block_info.  Call init_flow and find_basic_blocks
4917         before dbr_schedule if needed.
4918
4919 2005-05-14  Kazu Hirata  <kazu@cs.umass.edu>
4920
4921         * tree-optimize.c (init_tree_optimization_passes): Move
4922         pass_cd_dce in place of the last pass_dce.
4923
4924         PR tree-optimization/21563
4925         * tree-vrp.c (compare_value): Return boolean_false_node when
4926         SSA_NAME in "if (SSA_NAME == CST)" is strictly smaller than or
4927         strictly larger than CST.
4928
4929 2005-05-14  Nathan Sidwell  <nathan@codesourcery.com>
4930             Jan-Benedict Glaw  <jbglaw@lug-owl.de>
4931
4932         * config/vax/vax.c: (print_operand_address) Use gcc_unreachable() and
4933         gcc_assert().
4934         (rev_cond_name) Likewise.
4935         (vax_float_literal) Likewise.
4936         * config/vax/vax.md: Likewise.
4937
4938 2005-05-14  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
4939
4940         * config/vax/vax.md: define_constant VAXens AP, FP, SP and PC
4941         registers and use them (specifically the stack pointer).
4942         * config/vax/vax.h: Use above defines right here.
4943
4944         * config/vax/vax.c: (override_options) Remove 'register' keyword.
4945         (split_quadword_operands) Likewise. (rev_cond_name) Likewise.
4946         (vax_float_literal) Likewise. (vax_rtx_costs) Remove trailing
4947         whitespace.
4948         * config/vax/vax.h: Remove 'register' keyword. Misc. whitespace fixes,
4949         mostly removal of trailing spaces...
4950         * config/vax/vax-modes.def: Remove trailing whitespace.
4951
4952         * config/vax/elf.h: Update whitespace.
4953
4954 2005-05-14  Richard Guenther  <rguenth@gcc.gnu.org>
4955
4956         Revert
4957         2005-05-11  Richard Guenther  <rguenth@gcc.gnu.org>
4958         * fold-const.c (fold_indirect_ref_1): Avoid removing
4959         NOP_EXPRs with type qualifiers like const.
4960
4961 2005-05-14  Jan Hubicka  <jh@suse.cz>
4962
4963         Patch by Richard Henderson:
4964         * tree-eh.c (tree_can_throw_internal, tree_can_throw_external):
4965         Handle RESX expressions properly.
4966
4967         * tree-eh.c (record_stmt_eh_region): Use add_stmt_to_eh_region.
4968         (add_stmt_to_eh_region_fn): Nest into CALL_EXPR.
4969         (remove_stmt_from_eh_region_fn): Likewise.
4970
4971         * tree-cfg.c (execute_warn_function_return): Break out noreturn
4972         warning too..
4973         (execute_warn_function_noreturn): ... here.
4974         (pass_warn_function_noreturn): New pass.
4975         * tree-pass.h (pass_warn_function_noreturn): Declare
4976         * tree-optimize.c (init_tree_optimization_passes): Move return
4977         warnings early and add noreturn warnings at place of previous
4978         return warnings.
4979
4980 2005-05-14  Kazu Hirata  <kazu@cs.umass.edu>
4981
4982         * tree-ssa-live.c (tpa_init, tpa_delete, tpa_compact,
4983         root_var_init, type_var_init): Use VEC instead of VARRAY.
4984         * tree-ssa-live.h (tree_partition_associator_d): Change the
4985         type of trees to VEC(tree,heap)*.
4986         (tpa_tree): Use VEC instead of VARRAY.
4987
4988 2005-05-14  Richard Guenther  <rguenth@gcc.gnu.org>
4989
4990         * fold-const.c (div_if_zero_remainder): New function.
4991         (try_move_mult_to_index): Use it.
4992
4993 2005-05-14  Kazu Hirata  <kazu@cs.umass.edu>
4994
4995         * tree-eh.c (leh_tf_state): Change the type of dest_array to
4996         VEC(tree,heap)*.
4997         (maybe_record_in_goto_queue, lower_try_finally_onedest,
4998         lower_try_finally_copy, lower_try_finally_switch,
4999         lower_try_finally): Use VEC instead of VARRAY.
5000
5001 2005-05-14  Hans-Peter Nilsson  <hp@axis.com>
5002
5003         * config/cris/cris.h (Node: Register Classes): Remove obsoleted
5004         comment regarding defined register classes.
5005         (LEGITIMIZE_RELOAD_ADDRESS): Do not define.
5006
5007 2005-05-14  Kazu Hirata  <kazu@cs.umass.edu>
5008
5009         * tree-optimize.c (init_tree_optimization_passes): Move
5010         pass_merge_phi before the first pass_dominator.
5011
5012 2005-05-13  Richard Earnshaw  <richard.earnshaw@arm.com>
5013
5014         * arm.h (INITIALIZE_TRAMPOLINE): Make the call to __clear_cache
5015         unconditional.
5016
5017 2005-05-13  Josh Conner  <jconner@apple.com>
5018
5019         * config/arm/arm.c (arm_size_return_regs): New.
5020         (thumb_unexpanded_epilogue): replace in-line calculation
5021         of return registers with call to arm_size_return_regs.
5022         (use_return_insn): Include test of which registers are
5023         being used to hold return values, to accommodate
5024         vector return values.
5025
5026 2005-05-11  Aldy Hernandez  <aldyh@redhat.com>
5027
5028         * config/rs6000/sysv4.opt (mlittle): Handle.
5029
5030         * config/rs6000/rs6000.c (rs6000_handle_option): Set
5031         target_flags_explicit when appropriate.
5032
5033 2005-05-13  J"orn Rennecke <joern.rennecke@st.com>
5034
5035         PR middle-end/20714:
5036         * optabs.c (no_conflict_data): New struct.
5037         (no_conflict_move_test): New function.
5038         (emit_no_conflict_block): Use it.
5039
5040 2005-05-13  Adam Nemet  <anemet@lnxw.com>
5041
5042         * doc/invoke.texi (Debugging Options): Option
5043         -fdump-translation-unit only works with C++ now.
5044
5045 2005-05-13  Hans-Peter Nilsson  <hp@axis.com>
5046
5047         Replace calls to abort in CRIS port.
5048         * config/cris/cris.h (CRIS_ASSERT): New macro.
5049         * config/cris/cris.md ("*movsi_internal"): Use CRIS_ASSERT and
5050         internal_error instead of abort.
5051         ("movsi"): Ditto.  Unquote preparation statement section.
5052         ("call", "call_value"): Ditto, but use gcc_assert where
5053         appropriate.  Tweak comments.
5054         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Define in terms of
5055         CRIS_ASSERT.
5056         (cris_op_str): Call internal_error, not abort.
5057         (cris_print_operand): Tweak "abort" reference to "die" in comment.
5058         (cris_initial_elimination_offset): Call gcc_unreachable, not abort.
5059         (cris_notice_update_cc): Call internal_error, not abort.
5060         (cris_expand_return, cris_expand_prologue, cris_gen_movem_load)
5061         (cris_emit_movem_store, cris_asm_output_symbol_ref)
5062         (cris_output_addr_const_extra): Use CRIS_ASSERT, don't call abort.
5063         (cris_symbol, cris_got_symbol): Use CRIS_ASSERT instead of
5064         ENABLE_CHECKING-guarded abort call.
5065         (cris_split_movdx): Use CRIS_ASSERT instead of abort with test.
5066         Use internal_error at end of test-chain.
5067
5068 2005-05-13  J"orn Rennecke <joern.rennecke@st.com>
5069
5070         PR rtl-optimization/20769:
5071         * bt-load.c (compute_defs_uses_and_gen): Check for the blockage
5072         pattern emitted by expand_nl_goto_receiver.
5073
5074         PR middle-end/20793:
5075         * integrate.c (allocate_initial_values): Update register liveness
5076         information.
5077
5078 2005-05-13  Josh Conner  <jconner@apple.com>
5079
5080         * arm.c (arm_return_in_memory): Add handling for vector return types.
5081
5082 2005-05-13  David Ung  <davidu@mips.com>
5083
5084         * config/mips/mips.h (processor_type): Add new PROCESSOR_4KP
5085         name.
5086         * config/mips/mips.c: Add 4km alias.
5087         * config/mips/mips.md: Add 4kp to cpu attrib and include 4k.md.
5088         * config/mips/4k.md: New file, add 4Kc/4Kp DFA pipeline
5089         description.
5090
5091 2005-05-13  Jan Hubicka  <jh@suse.cz>
5092
5093         * c-decl.c (finish_function): Suppress "control reaches end of
5094         non-void function" when "no return statement in function
5095         returning non-void" is issued.
5096
5097         * tree-inline.c (copy_body_r): Simplify substituted ADDR_EXPRs.
5098         * tree-optimize.c (pass_gimple): Kill.
5099         (init_tree_optimization_passes): Kill pass_gimple.
5100         * tree-cfg.c (build_tree_cfg): Do verify_stmts to check that we are gimple.
5101         * tree-dump.c (dump_files): Rename .generic to .gimple.*
5102
5103 2005-05-13  J"orn Rennecke <joern.rennecke@st.com>
5104
5105         PR rtl-optimization/20756:
5106         * basic-block.h (PROP_DEAD_INSN): Define.
5107         * flow.c (propagate_one_insn): Set during mark_set_regs call
5108         for a dead insn.
5109         (mark_set_1): Emit a clobber when we are about to delete a dead insn
5110         that kills a live register.
5111
5112 2005-05-13  Adrian Straetling  <straetling@de.ibm.com>
5113
5114         * config/s390/s390.md: ("DBL"): New mode attribute.
5115         ("*movmem_long_64", "*movmem_long_31"): Merge to "*movmem_long".
5116         ("*clrmem_long_64", "*clrmem_long_31"): Merge to "*clrmem_long".
5117         ("*cmpmem_long_64", "*cmpmem_long_31"): Merge to "*cmpmem_long".
5118
5119 2005-05-13  Richard Guenther  <rguenth@gcc.gnu.org>
5120
5121         * c-format.c (check_format_arg): Handle string literals of
5122         the form &"string"[offset].
5123
5124         * g++.dg/warn/format4.C: New testcase.
5125
5126 2005-05-13  Kazu Hirata  <kazu@cs.umass.edu>
5127
5128         * config/mips/3000.md, config/mips/4000.md,
5129         config/mips/4100.md, config/mips/4300.md, config/mips/4600.md,
5130         config/mips/5000.md, config/mips/7000.md, config/mips/9000.md,
5131         config/mips/generic.md, config/pdp11/pdp11.md,
5132         config/sh/crt1.asm, config/sh/lib1funcs.asm,
5133         config/sh/sh-modes.def, config/sh/sh-protos.h,
5134         config/sh/shmedia.md, config/sh/ushmedia.h: Update copyright.
5135
5136 2005-05-13  Richard Henderson  <rth@redhat.com>
5137
5138         * function.c (instantiate_virtual_regs_in_insn): Do not simplify
5139         addition to move unless dest is a register.  Do not skip
5140         instantiation in dest on addition simplification.
5141
5142 2005-05-13  Hans-Peter Nilsson  <hp@axis.com>
5143
5144         * config/cris/cris.c (cris_print_operand) <case 'H'; case
5145         CONST_INT>: Use operand_subword and HOST_WIDE_INT_PRINT_DEC for
5146         output; don't have special case for HOST_BITS_PER_WIDE_INT == 32.
5147
5148 2005-05-13  Jan Hubicka  <jh@suse.cz>
5149
5150         * basic-block.h (FOR_ALL_BB_FN): New macro.
5151         (init_flow): Initialize cfg structure.
5152         * function.c (allocate_struct_function): Do not initialize cfg structure.
5153         * tree-cfg.c (init_empty_tree_cfg): Break out from ...
5154         (build_tree_cfg): ... here.
5155         * tree-flow.h (init_empty_tree_cfg): Declare.
5156
5157 2005-05-12  Steven Bosscher <stevenb@suse.de>
5158
5159         Fix PR tree-optimization/21520
5160         * tree-ssa-pre.c (phi_translate): Use fully_constant_expression
5161         to attempt to fold constants.
5162
5163 2005-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
5164
5165         * config/sh/sh.c: Declare the prototype of sh_adjust_unroll_max
5166         only when TARGET_ADJUST_UNROLL_MAX is defined.
5167         (general_movsrc_operand): Use the C style comment.
5168         (ua_offset): Use prototype.
5169
5170 2005-05-12  Zdenek Dvorak  <dvorakz@suse.cz>
5171
5172         * tree-ssa-loop-im.c (struct mem_ref): Add field "next".
5173         (struct hmr_data, hoist_memory_reference, memref_del,
5174         struct fmrv_data): Removed.
5175         (hoist_memory_references, free_mem_ref, free_mem_refs): New functions.
5176         (gather_mem_refs, gather_mem_refs_stmt): Add new references to the
5177         list.
5178         (find_more_ref_vops): Traverse the list of memory references.
5179         (determine_lsm_loop): Work with the list of memory references instead
5180         of traversing the hashtable.
5181
5182 2005-05-12  Steven Bosscher  <stevenb@suse.de>
5183             Stuart Hastings <stuart@apple.com>
5184             Jan Hubicka  <jh@suse.cz>
5185
5186         * except.c  (duplicate_eh_region_1, duplicate_eh_region_2,
5187         duplicate_eh_regions): New functions, based on old
5188         implementation removed with RTL inliner.
5189         (reachable_next_level): Modify behaviour pre-inline.
5190         * except.h (duplicate_eh_regions_map, duplicate_eh_regions):
5191         Declare.
5192         * function.h (struct function): Add after_inlining flag.
5193         * tree-optimize.c (tree_rest_of_compilation): Set it.
5194         * tree-eh.c (add_stmt_to_eh_region_fn): Initialize hashtable
5195         when needed.
5196         * tree-cfg.c (label_to_block_fn): Deal with cases where
5197         label was never insterted into code.
5198
5199 2005-05-12  Zack Weinberg  <zack@codesourcery.com>
5200
5201         * doc/cpp.texi: Document that #sccs is a synonym for #ident.
5202
5203 2005-05-12  Daniel Berlin  <dberlin@dberlin.org>
5204
5205         Fix PR tree-optimization/21532
5206         * tree-ssa-pre.c (create_expression_by_pieces): stmt
5207         needs to go onto the inserted_exprs list.
5208
5209 2005-05-12  Ian Lance Taylor  <ian@airs.com>
5210
5211         * c-common.h (statement_code_p): Don't declare.
5212         (STATEMENT_CODE_P): Don't define.
5213         (INIT_STATEMENT_CODES): Don't define.
5214         * c-common.c (statement_code_p): Don't define.
5215
5216 2005-05-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
5217
5218         * config/sparc/sparc.h: Remove dead code.
5219         * config/sparc/sparc.c (sparc_compute_frame_size): Use
5220         FIRST_PARM_OFFSET for the size of the register window area.
5221         (emit_save_regs): Rename into emit_save_or_restore_regs.
5222         Add 'action' parameter.  Use 4095 as upper bound for the offset.
5223         Pass 'action' to save_or_restore_regs.
5224         (emit_restore_regs): Delete.
5225         (sparc_expand_prologue): Call emit_save_or_restore_regs.
5226         (sparc_expand_epilogue): Likewise.
5227         * config/sparc/sparc.md (mode macro P): Move.
5228         (movdi_insn_sp32_v9, movdi_insn_sp32): Swap.
5229         (mov<V32:mode> expander): Move to the top of the V32 section.
5230         (movdf_insn_sp32_v9_no_fpu, movdf_insn_sp32_v9): Swap.
5231         (movtf_insn_sp64_hq, movtf_insn_sp64): Swap.
5232         (sibcall_epilogue): Move.
5233
5234 2005-05-12  Richard Earnshaw  <richard.earnshaw@arm.com>
5235
5236         PR target/21501
5237         * arm.c (arm_gen_constant): Sign-extend intermediate values when
5238         synthesizing a constant of the difference of two immediates.
5239
5240 2005-05-12  Richard Earnshaw  <richard.earnshaw@arm.com>
5241
5242         * arm/vfp.md (negsf2_vfp): Add alternative using integer registers.
5243         (negdf2_vfp): Likewise.  Convert to define_insn_and_split and split
5244         the alternatives using integer registers into the appropriate
5245         primitives.
5246
5247 2005-05-11 Kenneth Zadeck <zadeck@naturalbridge.com>
5248
5249         * bitmap.c (bitmap_elmt_to_freelist, bitmap_element_allocate,
5250         bitmap_elt_clear_from, bitmap_clear): Changed freelist structure.
5251         * bitmap.h: Fixed comments.
5252
5253 2005-05-11  Richard Henderson  <rth@redhat.com>
5254
5255         PR target/21412
5256         * config/ia64/ia64.c (TARGET_CANNOT_FORCE_CONST_MEM): New.
5257         (ia64_cannot_force_const_mem): New.
5258         (tls_symbolic_operand_type): New.
5259         (ia64_legitimate_constant_p): New.
5260         (ia64_expand_load_address): Return true on success.  Improve
5261         checks for when we should not split.
5262         (ia64_expand_tls_address): New addend operand.  Distribute it
5263         as appropriate to the tls_kind.  Delay referencing gp.
5264         (ia64_expand_move): Split symbolic addend as necessary.  Handle
5265         tls symbols with addends.
5266         * config/ia64/ia64-protos.h: Update.
5267         * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): False for r0,
5268         p0, f0, f1, and r13.
5269         (LEGITIMATE_CONSTANT_P): Move to ia64_legitimate_constant_p.
5270         * config/ia64/ia64.md (UNSPEC_DTPMOD): New.
5271         (symbolic_operand splitter): Pass everything through
5272         ia64_expand_load_address and FAIL or DONE as appropriate.
5273         (load_fptr): Only accept after reload.
5274         (load_fptr_internal1, gprel64_offset, load_gprel64, load_symptr_high,
5275         load_symptr_low, load_ltoff_dtpmod,
5276         (load_dtpmod): New.
5277         (load_dtprel): Only accept tls symbols.
5278         (load_dtprel64, load_dtprel22): Likewise.
5279         (load_tprel, load_tprel64, load_tprel22): Likewise.
5280         (load_dtprel_gd, load_ltoff_dtprel, load_tprel_ie): New.
5281         (add_dtprel): Only accept tls symbols.  Canonicalize PLUS.
5282         (add_dtprel14, add_dtprel22): Likewise.
5283         (add_tprel, add_tprel14, add_tprel22): Likewise.
5284         * config/ia64/predicates.md (small_addr_symbolic_operand): New.
5285         (any_offset_symbol_operand, aligned_offset_symbol_operand): New.
5286         (got_symbolic_operand): Check CONST offsets.
5287         (tls_symbolic_operand, ld_tls_symbolic_operand): New.
5288         (ie_tls_symbolic_operand, le_tls_symbolic_operand): New.
5289         (move_operand): Don't handle tls here.  Check CONST offsets.
5290
5291 2005-05-11  Richard Sandiford  <rsandifo@redhat.com>
5292
5293         * config/mips/7000.md (rm7_impy_si_mult): Just match imul and imadd.
5294         Remove hilo_operand check.
5295         (rm7_impy_si_mul): Just match imul3.  Remove hilo_operand check.
5296         * config/mips/predicates.md (hilo_operand): Delete.
5297
5298 2005-05-11  Richard Sandiford  <rsandifo@redhat.com>
5299
5300         * config/mips/sr71k.md, config/mips/7000.md: Reformat.
5301
5302 2005-05-11  Kazu Hirata  <kazu@cs.umass.edu>
5303
5304         PR tree-optimizer/18472
5305         * tree-if-conv.c (tree_if_convert_stmt,
5306         if_convertible_modify_expr_p): Don't handle GOTO_EXPR.
5307
5308 2005-05-11  Jan Hubicka  <jh@suse.cz>
5309
5310         * Makefile.in (tree-eh.o: Kill gt-tree-eh.h dependency.
5311         (GTFILES): add except.h.
5312         * except.c (eh_status): Add throw_stmt_table.
5313         (set_eh_throw_stmt_table, get_eh_throw_stmt_table): New functions.
5314         * except.h (add_stmt_to_eh_region_fn, remove_stmt_from_eh_region_fn,
5315         lookup_stmt_eh_region_fn): Declare.
5316         (throw_stmt_node): New structure.
5317         (set_eh_throw_stmt_table, get_eh_throw_stmt_table): New.
5318         * gengtype.c (open_base_files): Add except.h to inlines.
5319         * tree-eh.c (throw_stmt_node): Kill.
5320         (record_stmt_eh_region): Update.
5321         (add_stmt_to_eh_region_fn): Break out from ...
5322         (add_stmt_to_eh_region): ... here.
5323         (remove_stmt_from_eh_region_fn): Break out from ...
5324         (remove_stmt_from_eh_region): ... here.
5325         (lookup_stmt_eh_region_fn): Break out from ...
5326         (lookup_stmt_eh_region): ... here.
5327         (honor_protect_cleanup_actions): Use build_resx.
5328         (lower_try_finally_onedest): Likewise.
5329         (lower_try_finally_copy): Likewise.
5330         (lower_try_finally_switch): Likewise.
5331         (lower_eh_constructs): Update eh table construction.
5332         * tree.c (build_resx): New.
5333         * tree.h (build_resx): Declare.
5334
5335 2005-05-11  H.J. Lu  <hongjiu.lu@intel.com>
5336
5337         * libgcov.c (gcov_exit): Set prefix_length to 0 if no relocation
5338         is needed.
5339
5340 2005-05-11  Kazu Hirata  <kazu@cs.umass.edu>
5341
5342         * fold-const.c, libgcov.c: Fix comment typos.
5343
5344         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove
5345         redundant code.
5346
5347 2005-05-11  Daniel Jacobowitz  <dan@codesourcery.com>
5348
5349         * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
5350         * config/arm/arm.h (SUBTARGET_FRAME_POINTER_REQUIRED): Provide
5351         default definition.
5352         (FRAME_POINTER_REQUIRED): Use SUBTARGET_FRAME_POINTER_REQUIRED.
5353
5354 2005-05-11  Nathan Sidwell  <nathan@codesourcery.com>
5355
5356         PR bootstrap/21481
5357         * crtstuff.c: Include auto-host.h again, for now.
5358
5359 2005-05-11  Richard Sandiford  <rsandifo@redhat.com>
5360
5361         * config/mips/24k.md: Remove trailing whitespace.
5362
5363 2005-05-11  David Ung  <davidu@mips.com>
5364
5365         * config/mips/mips.md (type): Add imul3.
5366         (length, hazard, may_clobber_hilo): Check for imul3.
5367         (mulsi3_mult3, muldi3_mult3, *muls, <su>mulsi3_highpart_mulhi_internal)
5368         (*<su>mulsi3_highpart_neg_mulhi_internal): Set attr to imul3.
5369         * config/mips/24k.md (r24k_int_mul3): Enable this reservation
5370         for a 3 operand mul and its bypasses.
5371         * config/mips/3000.md (r3k_imul): Add imul3 to reservations.
5372         * config/mips/4000.md (r4k_imul): Likewise.
5373         * config/mips/4100.md (r4100_imul_si, r4100_imul_di):  Likewise.
5374         * config/mips/4130.md (vr4130_class, vr4130_mulsi)
5375         (vr4130_muldi): Likewise.
5376         * config/mips/4300.md (r4300_imul_si, r4300_imul_di): Likewise.
5377         * config/mips/4600.md (r4600_imul, r4650_imul): Likewise.
5378         * config/mips/5000.md (r5k_imul_si, r5k_imul_di): Likewise.
5379         * config/mips/5400.md (ir_vr54_imul_si, ir_vr54_imul_di)
5380         (ir_vr54_imadd_si): Likewise.
5381         * config/mips/5500.md (ir_vr55_imul_si, ir_vr55_imul_di):  Likewise.
5382         * config/mips/7000.md (rm7_impy_si_mult, rm7_impy_si_mul)
5383         (rm7_impy_di): Likewise.
5384         * config/mips/9000.md (rm9k_mulsi, rm9k_muldi):  Likewise.
5385         * config/mips/generic.md (generic_imul): Likewise.
5386         * config/mips/sb1.md (ir_sb1_mulsi, ir_sb1_muldi): Likewise.
5387         * config/mips/sr71k.md (ir_sr70_imul_si, ir_sr70_imul_di):  Likewise.
5388
5389 2005-05-11  J"orn Rennecke <joern.rennecke@st.com>
5390
5391         PR middle-end/20371:
5392         * tree.h (record_layout_info_s): New member prev_packed.
5393         * stor-layout.c (update_alignment_for_field): Fix comment about
5394         KNOWN_ALIGN.  For MS bitfields, if we start a new run, make sure
5395         we start it properly aligned.
5396         (place_field): At the beginning of a record, pass 0 as KNOWN_ALIGN
5397         to update_alignment_for_field, and recompute it afterwards using
5398         the alignment of the record.
5399         When a packed bitfield precedes an MS bitfield, don't add padding
5400         at the end of the packed bitfield on behalf of the base type of
5401         the packed bit field.
5402         Don't adjust rli->bitpos at the end
5403         of an MS bitfield run if we already adjusted bitpos/offset for an
5404         alignment as large or larger than the bitfield type size.
5405         Take possible record alignment > BIGGEST_ALIGNMENT into account
5406         when calculating actual_align.
5407         Only put packed buit fields into rli->prev_field if they end up
5408         suitably aligned.
5409         Also set rli->remaining_in_alignment when we re-set rli->prev_field.
5410         Update rli->remaining_in_alignment when we have already started a
5411         run of bit fields and we process a packed bit field.
5412
5413 2005-05-11  Sebastian Pop  <pop@cri.ensmp.fr>
5414
5415         * tree-data-ref.c (find_data_references_in_loop): Give up when
5416         the body of the loop contains a CALL_EXPR or an ASM_EXPR: they
5417         may embed arbitrary side effects.
5418         Remove the assumption that GIMPLE form contains a single array
5419         access per statement.
5420         When the statement contains virtual operands, fail if it is not
5421         a MODIFY_EXPR or a CALL_EXPR.
5422         Return after the dont know node is inserted.
5423
5424 2005-05-11  Richard Earnshaw  <richard.earnshaw@arm.com>
5425
5426         * arm.md (negsf2, negdf2): Permit these expands when compiling for VFP.
5427
5428 2005-05-11  Richard Guenther  <rguenth@gcc.gnu.org>
5429
5430         PR middle-end/19807
5431         PR tree-optimization/19639
5432         * fold-const.c (try_move_mult_to_index): Handle INTEGER_CST
5433         and generic summands for char* as s * delta, too, folding &a[i]
5434         CODE x to &a[i CODE x/s].  Use tree_int_cst_equal
5435         for comparison of steps.  Convert types for index addition.
5436         (fold_binary): Adjust the callers to always dispatch to
5437         try_move_mult_to_index.
5438         * tree-ssa-propagate.c (set_rhs): Avoid setting rhs to
5439         expr with non-gimple ARRAY_REF offset.
5440
5441 2005-05-11  Richard Guenther  <rguenth@gcc.gnu.org>
5442
5443         * fold-const.c (fold_indirect_ref_1): Avoid removing
5444         NOP_EXPRs with type qualifiers like const.
5445
5446 2005-05-11  Richard Henderson  <rth@redhat.com>
5447
5448         PR c/21502
5449         * c-decl.c (finish_decl): Propagate the completed array type of
5450         a global variable into the binding.
5451
5452 2005-05-10  Matt Kraai  <kraai@ftbfs.org>
5453
5454         * Makefile.in (gtype-desc.o, build/genautomata.o)
5455         (build/varray.o): Depend on $(VARRAY_H).
5456
5457 2005-05-10  Diego Novillo  <dnovillo@redhat.com>
5458
5459         * tree-optimize.c (init_tree_optimization_passes): Re-organize
5460         optimization passes to do an initial batch of scalar cleanups.
5461
5462 2005-05-10  Ian Lance Taylor  <ian@airs.com>
5463
5464         * read-rtl.c (struct macro_traverse_data): Define.
5465         (map_attr_string): New static function, broken out of
5466         apply_macro_to_string.
5467         (mode_attr_index, apply_mode_maps): New static functions.
5468         (apply_macro_to_string): Call map_attr_string.
5469         (apply_macro_to_rtx): Add mode_maps and infile parameters.  Change
5470         all callers.
5471         (apply_macro_traverse): Expect data to point to a struct
5472         macro_traverse_data.
5473         (read_rtx): Add mode_maps local variable.  Use mode_traverse_data
5474         to pass data through htab_traverse.
5475         (read_rtx_1): Add mode_maps parameter.  Change all callers.
5476         Handle mode names which are attribute strings.
5477         * doc/md.texi (Substitutions): Rename from String Substitutions.
5478         Change references.  Document using attributes as modes.
5479
5480 2005-05-10  Zdenek Dvorak  <dvorakz@suse.cz>
5481
5482         * tree-cfg.c (tree_duplicate_sese_region): Update profile.
5483         * tree-optimize.c (init_tree_optimization_passes) Swap
5484         pass_ch and pass_profile.
5485         * tree-ssa-loop-ch.c (copy_loop_headers): Do not update profile
5486         here.  Remove rewrite_into_loop_closed_ssa call.
5487
5488 2005-05-10  Adrian Straetling  <straetling@de.ibm.com>
5489
5490         * config/s390/s390.c: (s390_const_double_ok_for_constraint_p): New
5491         function.
5492         (legitimate_reload_constant_p): Add check for const double zero.
5493         * config/s390/s390.md: Add comment for constraint letter 'G'.
5494         ("*movdf_64", "*movdf_31", "movsf"): Add constraint and proper
5495         attributes for new case.
5496         * config/s390/s390.h: (CONST_DOUBLE_OK_FOR_CONSTRAINT_P): Define it as
5497         s390_const_double_ok_for_constraint_p.
5498         * config/s390/s390-protos.h (s390_const_double_ok_for_constraint_p):
5499         Add prototype.
5500
5501 2005-05-10  Kazu Hirata  <kazu@cs.umass.edu>
5502
5503         PR tree-optimization/21170
5504         * tree-ssa-dom.c, tree-ssa-threadupdate.c: Replace
5505         rewrite_ssa_into_ssa in comments with update_ssa.
5506
5507 2005-05-10  Zdenek Dvorak  <dvorakz@suse.cz>
5508
5509         * tree-ssa-loop-im.c: Include hashtab.h.
5510         (struct mem_ref_loc): New.
5511         (struct mem_ref): Describe the set of references with the same
5512         shape.
5513         (max_stmt_uid, get_stmt_uid, record_mem_ref, free_mem_refs,
5514         maybe_queue_var, fem_single_reachable_address,
5515         for_each_memref, single_reachable_address,
5516         is_call_clobbered_ref, determine_lsm_reg): Removed.
5517         (record_mem_ref_loc, free_mem_ref_locs, determine_lsm_ref,
5518         hoist_memory_reference, memref_hash, memref_eq, memref_del,
5519         gather_mem_refs_stmt, gather_mem_refs, find_more_ref_vops):
5520         New functions.
5521         (rewrite_mem_refs, schedule_sm): Use mem_ref_loc list.
5522         (determine_lsm_loop): Rewritten.
5523         (determine_lsm): Do not set stmt uids.
5524
5525 2005-05-10  Adrian Straetling  <straetling@de.ibm.com>
5526
5527         * config/s390/s390.md: Add comment lines for 'f' and 't' constraint
5528         letters.
5529
5530 2005-05-10  Adrian Straetling  <straetling@de.ibm.com>
5531
5532         * config/s390/s390.md: ("anddi3","andsi3","andhi3","andqi3"): Merge.
5533         ("iordi3", "iorsi3", "iorhi3", "iorqi3"): Merge.
5534         ("xordi3", "xorsi3", "xorhi3", "xorqi3"): Merge.
5535
5536 2005-05-10  Jeff Law  <law@redhat.com>
5537
5538         * tree-ssa-dom.c (dom_opt_finalize_block): Do not call
5539         thread_across_edge for any abnormal edges.
5540
5541 2005-05-10  Richard Henderson  <rth@redhat.com>
5542
5543         * config/ia64/ia64.c (ia64_expand_atomic_op): New.
5544         * config/ia64/ia64-protos.h: Declare it.
5545         * config/ia64/sync.md (I124MODE, FETCHOP, fetchop_name): New.
5546         (sync_add<I48MODE>, sync_old_add<I48MODE>): Remove.
5547         (sync_<FETCHOP><IMODE>, sync_nand<IMODE>): New.
5548         (sync_old_<FETCHOP><IMODE>, sync_old_nand<IMODE>): New.
5549         (sync_new_<FETCHOP><IMODE>, sync_new_nand<IMODE>): New.
5550         (cmpxchg_rel_<I124MODE>): Split from cmpxchg_acq_<IMODE>.  Zero
5551         extend result; use release semantics.
5552         (cmpxchg_rel_di): Rename from cmpxchg_acq_<IMODE>; use release.
5553         (sync_val_compare_and_swap_<IMODE>): Update to match.
5554
5555 2005-05-10  Richard Henderson  <rth@redhat.com>
5556
5557         * optabs.c (expand_compare_and_swap_loop): Don't clobber old value
5558         before comparing it for success.
5559
5560 2005-05-10  Richard Henderson  <rth@redhat.com>
5561
5562         * config/ia64/sync.md (sync_add<I48MODE>): Fix arguments for
5563         no return value pattern.
5564
5565 2005-05-10  Grigory Zagorodnev  <grigory.zagorodnev@intel.com>
5566             H.J. Lu  <hongjiu.lu@intel.com>
5567
5568         * libgcov.c (create_file_directory): New function. Create
5569         directory for the given file name.
5570         (gcov_max_filename): New static var. Keeps size of the longest
5571         file name.
5572         (gcov_exit): Always try to create directory for output
5573         file. Relocate each filename basing on environment vars.
5574         (__gcov_init): Remember the longest file name.
5575         * tsystem.h: include filenames.h to get IS_DIR_SEPARATOR
5576         * doc/gcov.texi (Cross-profiling): New node documenting
5577         cross-profiling management.
5578         * doc/invoke.texi (-fprofile-arcs): Add xref to cross-profiling.
5579
5580 2005-05-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
5581
5582         * config/sparc/sparc.c (mem_min_alignment): Do not rely
5583         on MEM_ALIGN if TARGET_UNALIGNED_DOUBLES.
5584
5585 2005-05-10  Bob Wilson  <bob.wilson@acm.org>
5586
5587         * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Rearrange special
5588         case code to avoid one move instruction.
5589         (__umodsi3, __modsi3): Merge duplicated code sequences.
5590
5591 2005-05-10  Kazu Hirata  <kazu@cs.umass.edu>
5592
5593         * config/mips/24k.md, config/sh/divtab.c, config/sh/sh.c,
5594         config/sh/sh.md, config/sh/superh.h: Fix comment typos.
5595         * doc/invoke.texi: Fix typos.
5596
5597         * tree-data-ref.c (analyze_array_indexes, analyze_array,
5598         init_data_ref, access_functions_are_affine_or_constant_p,
5599         free_data_refs): Use VEC instead of VARRAY.
5600         * tree-data-ref.h (data_reference): Change the type of
5601         access_fns to VEC(tree,gc)*.
5602         (DR_ACCESS_FN, DR_NUM_DIMENSIONS): Use VEC instead of VARRAY.
5603
5604 2005-05-10  Gabor Loki <loki@gcc.gnu.org>
5605
5606         PR c/17913
5607         * c-typeck.c (build_conditional_expr): Remove reducing cond_expr.
5608         * fold-const.c (fold): Expand the condition of reducing cond_expr.
5609         (contains_label_1, contains_label_p): New functions for checking
5610         labels in a sub-tree.
5611
5612 2005-05-10  Joseph S. Myers  <joseph@codesourcery.com>
5613
5614         PR c/21342
5615         * c-decl.c (pushdecl): When there is a declaration in the current
5616         scope and the declarations are external linkage, check for
5617         compatibility with the type in the external scope and update the
5618         type in the external scope with the composite type information.
5619         Do not form a composite type of the new type and the visible type
5620         if they are incompatible.
5621
5622 2005-05-10  Nathan Sidwell  <nathan@codesourcery.com>
5623
5624         * crtstuff.c: Revert part of 2005-05-08 Change.
5625         (IN_LIBGCC2): Define.
5626
5627 2005-05-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
5628
5629         * config/sparc/sparc.c (fp_sethi_p): Test !SPARC_SIMM13_P and
5630         remove redundant test.
5631         (fp_mov_p): Accept 0.
5632         (fp_high_losum_p): Remove redundant test.
5633         * config/sparc/predicates.md (const_high_operand): Explicitly test
5634         (not small_int_operand).
5635         (fp_const_high_losum_operand): New.
5636         * config/sparc/sparc.md (movsi_insn): Do not emit 'clr'.  Reorder.
5637         (movdi_insn_sp32_v9): Use canonical predicates.
5638         (movdi_insn_sp32): Test !TARGET_V9 instead of !TARGET_ARCH64.
5639         (movdi_insn_sp64_novis): Delete.
5640         (movdi_insn_sp64_vis): Rename into movdi_insn_sp64.
5641         (movsf_insn_novis): Delete.
5642         (movsf_insn_vis): Rename into movsf_insn.
5643         (movsf_no_f_insn): Rename into movsf_insn_no_fpu.
5644         (movsf_lo_sum): Use fp_const_high_losum_operand.
5645         (movsf_high): Likewise.
5646         (movsf_high_losum splitter): Likewise.
5647         (mov<V32:mode> expander): Use register_or_zero_operand.
5648         (mov<V64:mode> expander): Likewise.
5649         (movdf_insn_sp32): Use register_or_zero_operand.
5650         (movdf_no_e_insn_sp32): Use register_or_zero_operand.
5651         Rename into movdf_insn_sp32_no_fpu.
5652         (movdf_no_e_insn_v9_sp32): Use register_or_zero_operand.
5653         Rename into movdf_insn_sp32_v9_no_fpu.
5654         (movdf_insn_v9only_novis): Delete.
5655         (movdf_insn_v9only_vis): Rename into movdf_insn_sp32_v9.
5656         (movdf_insn_sp64_novis): Delete.
5657         (movdf_insn_sp64_vis): Rename into movdf_insn_sp64.
5658         (movdf_no_e_insn_sp64): Use register_or_zero_operand.
5659         Rename into movdf_insn_sp64_no_fpu.
5660         (movtf expander): Use register_or_zero_operand.
5661         (movtf_insn_sp32): Delete.
5662         (movtf_insn_vis_sp32): Use register_or_zero_operand.
5663         Rename into movtf_insn_sp32.
5664         (movtf_no_e_insn_sp32): Use register_or_zero_operand.
5665         Rename into movtf_insn_sp32_no_fpu.
5666         (movtf_insn_hq_sp64): Delete.
5667         (movtf_insn_hq_vis_sp64): Use register_or_zero_operand.
5668         Rename into movtf_insn_sp64_hq.
5669         (movtf_insn_sp64): Delete.
5670         (movtf_insn_vis_sp64): Use register_or_zero_operand.
5671         Rename into movtf_insn_sp64.
5672         (movtf_no_e_insn_sp64): Use register_or_zero_operand.
5673         Rename into movtf_insn_sp64_no_fpu.
5674
5675 2005-05-10  Nathan Sidwell  <nathan@codesourcery.com>
5676
5677         * config/stormy16/stormy16.c (xstormy16_emit_cbranch): Use
5678         gcc_assert and gcc_unreachable as appropriate.
5679         (xstormy16_split_cbranch, xstormy16_output_cbranch_hi,
5680         xstormy16_output_cbranch_si, xstormy16_split_move,
5681         xstormy16_initial_elimination_offset,
5682         xstormy16_encode_section_info, xstormy16_print_operand_address,
5683         xstormy16_expand_call, xstormy16_expand_arith,
5684         xstormy16_output_shift, xstormy16_init_builtins): Likewise.
5685
5686 2005-05-10  Kazu Hirata  <kazu@cs.umass.edu>
5687
5688         * tree-outof-ssa.c (_elim_graph): Change the type of nodes and
5689         const_copies to VEC(tree,heap)*.
5690         (new_elim_graph, delete_elim_graph, elim_graph_size,
5691         elim_graph_add_node, eliminate_build, eliminate_phi): Use VEC
5692         instead of VARRAY.
5693
5694 2005-05-10  Joseph S. Myers  <joseph@codesourcery.com>
5695
5696         PR other/21052
5697         * doc/extend.texi (Type Attributes): Correct example syntax.
5698
5699 2005-05-09  Joseph S. Myers  <joseph@codesourcery.com>
5700
5701         PR c/21160
5702         * doc/invoke.texi (-Wuninitialized): Update documentation.
5703
5704 2005-05-09  Richard Earnshaw  <richard.earnshaw@arm.com>
5705
5706         * arm.c (const_ok_for_arm): Use a faster algorithm.
5707
5708 2005-05-09  David Edelsohn  <edelsohn@gnu.org>
5709
5710         PR target/21477
5711         * config/rs6000/rs6000.md (add_op2): New.
5712         (add<mode>3): Use it.
5713
5714 2005-05-09  Richard Earnshaw  <richard.earnshaw@arm.com>
5715
5716         * arm.c (arm_gen_constant): Add new heuristic for generating
5717         constant integers that can be expressed as the difference of two
5718         valid immediates.
5719
5720 2005-05-09  Roger Sayle  <roger@eyesopen.com>
5721
5722         * c-tree.h (parser_build_unary_op): New prototype.
5723         * c-typeck.c (parser_build_unary_op): New function to construct
5724         a unary operation in the C parser.
5725         * c-parser.c (c_parser_unary_expression):  Use the new function
5726         parser_build_unary_op when appropriate.
5727
5728 2005-05-09  Mark Mitchell  <mark@codesourcery.com>
5729
5730         PR 18655
5731         * dwarf2out.c (output_call_frame_info): Use DWARF2_FRAME_REG_OUT
5732         before outputting DWARF_FRAME_RETURN_COLUMN.
5733
5734 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
5735
5736         * config/s390/s390.c: (s390_branch_condition_mask,
5737         s390_branch_condition_mnemonic, s390_extra_constraint_str,
5738         s390_const_ok_for_constraint_p, s390_expand_plus_operand,
5739         legitimize_pic_address, s390_emit_tls_call_insn,
5740         legitimize_tls_address, legitimize_tls_address,
5741         s390_expand_addcc, print_shift_count_operand, print_operand,
5742         addr_generation_dependency_p, annotate_constant_pool_refs,
5743         s390_split_branches, find_constant_pool_ref,
5744         replace_constant_pool_ref, s390_add_constant, s390_find_constant,
5745         s390_find_execute, s390_mainpool_start, s390_chunkify_start,
5746         s390_output_pool_entry, s390_function_value,
5747         s390_call_saved_register_used, s390_emit_call): Replace
5748         conditional aborts by gcc_assert and unconditional by gcc_unreachable.
5749         (s390_select_ccmode, s390_match_ccmode_set, s390_extract_part,
5750         s390_cannot_force_const_mem, s390_output_dwarf_dtprel,
5751         get_some_local_dynamic_name, s390_function_arg_size,
5752         s390_function_arg_advance, s390_function_arg,
5753         s390_expand_builtin, s390_gen_rtx_const_DI): Replace abort in
5754         default case by gcc_unreachable.
5755         * config/s390/s390.md: ("*cjump_31", "*icjump_31", "*jump31"): Replace
5756         conditional abort by gcc_assert.
5757         ("doloop_si31"): Replace abort in last else by gcc_unreachable.
5758         ("main_pool", "pool"): Replace unconditional abort by gcc_unreachable.
5759
5760 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
5761
5762         * config/s390/s390.c: (s390_decompose_address,
5763         tls_symbolic_operand, legitimate_pic_operand_p,
5764         legitimate_constant_p, legitimate_reload_constant_p,
5765         s390_expand_plus_operand, legitimate_address_p,
5766         legitimate_la_operand_p, ): Remove 'register' from signature.
5767         (symbolic_reference_mentioned_p,
5768         tls_symbolic_reference_mentioned_p): Remove 'register' from local
5769         variable declarations.
5770         (legitimize_address): Remove 'register' from
5771         signature and local variable declarations.
5772
5773 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
5774
5775         * config/s390/s390-protos.h: (s390_match_ccmode,
5776         s390_match_ccmode_set, reg_used_in_mem_p,
5777         symbolic_reference_mentioned_p, tls_symbolic_reference_mentioned_p,
5778         legitimate_la_operand_p, preferred_la_operand_p,
5779         s390_short_displacement, addr_generation_dependency_p,
5780         legitimate_reload_constant_p, legitimate_address_p): Change return type
5781         into 'bool'.
5782         (s390_tm_ccmode): Change type of parameter "mixed" into 'bool'.
5783         * config/s390/s390.c: (s390_match_ccmode,
5784         symbolic_reference_mentioned_p, tls_symbolic_reference_mentioned_p,
5785         legitimate_reload_constant_p): Change return type into 'bool'.
5786         (preferred_la_operand_p,legitimate_la_operand_p, legitimate_address_p):
5787         Likewise.  Additionally adapted comment.
5788         (s390_extra_constraint_p): Change Comment to reflect 'int' return type.
5789         (s390_tm_ccmode): Change type of parameter "mixed" into 'bool'.
5790         (s390_decompose_address): Change the type of the internal flags
5791         "pointer", "base_ptr", "indx_ptr", and the return value into 'bool'.
5792         (struct s390_address): Change type of "pointer" into bool.
5793         * config/s390/s390.md: ("*tmdi_reg", "*tmsi_reg", "tm<mode>_full"):
5794         Adapt calls for 's390_tm_ccmode' to the new signature.
5795
5796 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
5797
5798         * config/s390/s390.c: (s390_match_ccmode_set,
5799         s390_branch_condition_mnemonic, s390_short_displacement,
5800         s390_decompose_address, get_thread_pointer, legitimize_tls_address,
5801         print_shift_count_operand, get_some_local_dynamic_name,
5802         get_some_local_dynamic_name_1, reg_used_in_mem_p,
5803         addr_generation_dependency_p, s390_split_branches,
5804         annotate_constant_pool_refs, find_constant_pool_ref,
5805         replace_constant_pool_ref, find_ltrel_base, replace_ltrel_base,
5806         s390_optimize_prologue, find_unused_clobbered_reg, s390_frame_area,
5807         s390_register_info, s390_frame_info, s390_init_frame_layout,
5808         s390_update_frame_layout, save_fpr, restore_fpr, save_gprs,
5809         restore_gprs, s390_function_arg_size, s390_function_arg_float,
5810         s390_init_machine_status, s390_assemble_integer, s390_handle_option,
5811         s390_encode_section_info, s390_cannot_force_const_mem,
5812         s390_delegitimize_address, s390_return_in_memory, s390_init_builtins,
5813         s390_expand_builtin, s390_output_mi_thunk, s390_safe_attr_type,
5814         s390_adjust_priority, s390_issue_rate,
5815         s390_first_cycle_multipass_dfa_lookahead, s390_cannot_copy_insn_p,
5816         s390_rtx_costs, s390_address_cost, s390_reorg, s390_valid_pointer_mode,
5817         s390_build_builtin_va_list, s390_gimplify_va_arg,
5818         s390_function_ok_for_sibcall, s390_call_saved_register_used,
5819         s390_pass_by_reference, s390_fixed_condition_code_regs,
5820         s390_cc_modes_compatible s390_mainpool_start,, s390_mainpool_finish,
5821         s390_mainpool_cancel, s390_chunkify_start, s390_chunkify_finish,
5822         s390_chunkify_cancel, s390_start_pool, s390_end_pool,
5823         s390_add_pool_insn, s390_find_pool, s390_add_constant,
5824         s390_find_constant, s390_add_execute, s390_find_execute,
5825         s390_execute_label, s390_execute_target, s390_dump_pool,
5826         s390_dump_execute, s390_alloc_pool, s390_free_pool): Remove prototypes.
5827         Move target macro definitions to the end of the file.  Move several
5828         functions within the file to assure correct compiling.
5829
5830 2005-05-09  Steven Bosscher  <stevenb@suse.de>
5831
5832         * calls.c (purge_reg_equiv_notes): Remove, fold into...
5833         (fixup_tail_calls): ...here.  Only look at insns between the
5834         start of the function and the FUNCTION_BEG insn note.
5835
5836         * gcse.c (one_cprop_pass): Fix typos in dumps.
5837
5838         * tree-ssa-operands.h (FOR_EACH_PHI_ARG): Fix typos.
5839
5840 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
5841
5842         * config/s390/s390.h: Move xxx_REGNUM definitions to s390.md.
5843         * config/s390/s390.md: ("SIBCALL_REGNUM", "BASE_REGNUM",
5844         "RETURN_REGNUM", "CC_REGNUM", "TP_REGNUM"): New constants.
5845         Replace every occurrence of '(reg:<MODE> 33)' by '(reg:<MODE>
5846         CC_REGNUM)'.
5847         ("get_tp_64", "get_tp_31", "set_tp_64", "set_tp_31"): Replace
5848         '(reg:<MODE> 36)' by '(reg:<MODE> TP_REGNUM)'.
5849         ("*sibcall_br", "*sibcall_value_br"): Replace '(reg:DI 1)' by '(reg:DI
5850         REG_SC)'.
5851
5852 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
5853
5854         * config/s390/s390.md: ("gf") New mode attribute.
5855         ("fixuns_truncdfdi2", "fixuns_truncdfsi2", "fixuns_truncsfdi2",
5856         "fixuns_truncsfsi2"): Merge.
5857         ("fix_truncdfdi2", "fix_truncsfdi2"): Merge.
5858         ("fix_truncdfdi2_ieee", "fix_truncdfsi2_ieee", "fix_truncsfdi2_ieee",
5859         "fix_truncsfsi2_ieee"): Merge.
5860
5861 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
5862
5863         * config/s390/s390.md: ("FPR") New mode macro.
5864         ("de", "dee"): New mode attributes.
5865         ("cmpdf", "cmpsf"): Merge.
5866         ("*cmpdf_ccs_0", "*cmpsf_ccs_0"): Merge.
5867         ("*cmpdf_ccs_0_ibm", "*cmpdf_ccs_0_ibm"): Merge.
5868         ("*cmpdf_ccs", "*cmpsf_ccs"): Merge.
5869         ("*cmpdf_ccs_ibm", "*cmpsf_ccs_ibm"): Merge.
5870         ("floatdidf2", "floatdisf2"): Merge.
5871         ("adddf3", "addsf3"): Merge.
5872         ("*adddf3", "*addsf3"): Merge.
5873         ("*adddf3_cc", "*addsf3_cc"): Merge.
5874         ("*adddf3_cconly", "*addsf3_cconly"): Merge.
5875         ("*adddf3_ibm", "*addsf3_ibm"): Merge.
5876         ("subdf3", "subsf3"): Merge.
5877         ("*subdf3", "*subsf3"): Merge.
5878         ("*subdf3_cc", "*subsf3_cc"): Merge.
5879         ("*subdf3_cconly", "*subsf3_cconly"): Merge.
5880         ("*subdf3_ibm", "*subsf3_ibm"): Merge.
5881         ("muldf3", "mulsf3"): Merge.
5882         ("*muldf3", "*mulsf3" "): Merge.
5883         ("*muldf3_ibm", "*mulsf3_ibm"): Merge.
5884         ("*fmadddf", "*fmaddsf"): Merge.
5885         ("*fmsubdf", "*fmsubsf"): Merge.
5886         ("divdf3", "divsf3"): Merge.
5887         ("*divdf3", "*divsf3"): Merge.
5888         ("*divdf3_ibm", "*divsf3_ibm"): Merge.
5889         ("negdf2", "negsf2"): Merge.
5890         ("*negdf2_cc", "*negsf2_cc"): Merge.
5891         ("*negdf2_cconly", "*negsf2_cconly"): Merge.
5892         ("*negdf2", "*negsf2"): Merge.
5893         ("*negdf2_ibm", "*negsf2_ibm"): Merge.
5894         ("absdf2", "abssf2"): Merge.
5895         ("*absdf2_cc", "*abssf2_cc"): Merge.
5896         ("*absdf2_cconly", "*abssf2_cconly"): Merge.
5897         ("*absdf2", "*abssf2"): Merge.
5898         ("*absdf2_ibm", "*abssf2_ibm"): Merge.
5899         ("*negabsdf2_cc", "*negabssf2_cc"): Merge.
5900         ("*negabsdf2_cconly", "*negabssf2_cconly"): Merge.
5901         ("*negabsdf2", "*negabssf2"): Merge.
5902         ("sqrtdf2", "sqrtsf2"): Merge.
5903
5904 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
5905
5906         * config/s390/s390.c: (s390_adjust_priority): Adapt to changed
5907         attribute names.
5908         * config/s390/2084.md: ("x_fsimpd", "x_fsimps", "x_fdivd", "x_fdivs",
5909         "x_floadd", "x_floads", "x_fstored", "x_fstores"): Rename to
5910         ("x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
5911         "x_floadsf", "x_fstoredf", "x_fstoresf") and replace 'type'
5912         attribute names.
5913         * config/s390/s390.md: ("type"): Rename "fsimpd, fsimps, floadd, floads,
5914         fstored, fstores, fmuld, fmuls, fdivd, fdivs, fsqrtd, fsqrts" to
5915         "fsimpdf, fsimpsf, floaddf, floadsf, fstoredf, fstoresf, fmuldf,
5916         fmulsf, fdivdf, fdivsf, fsqrtdf, fsqrtsf".
5917         ("*cmpdf_ccs_0", "*cmpdf_css_0_ibm", "*cmpdf_ccs",
5918         "*cmpdf_ccs_ibm", "*cmpsf_ccs_0", "*cmpsf_css_0_ibm",
5919         "*cmpsf_ccs", "*cmpsf_ccs_ibm", "*movdi_64", "*movdi_31",
5920         "*movsi_zarch", "*movsi_esa", "*movdf_64", "*movdf_31", "movsf",
5921         "*muldf3", "*muldf3_ibm", "*fmadddf", "*fmsubdf", "*mulsf3",
5922         "mulsf3_ibm", "*fmaddsf", "fmsubsf", "*divdf3", "*divdf3_ibm",
5923         "*negdf2_cc", "*negdf2_cconly", "*negdf2", "*negdf2_ibm",
5924         "*negsf2_cc", "*negsf2_cconly", "*negsf2", "*absdf2_cc",
5925         "*absdf2_cconly", "*absdf2", "*absdf2_ibm", "*abssf2_cc",
5926         "*abssf2_cconly", "*abssf2", "*abssf2_ibm", "*negabsdf2_cc",
5927         "*negabsdf2_cconly", "*negabsdf2", "*negabssf2_cc",
5928         "*negabssf2_cconly", "*negabssf2", "sqrtdf2", "sqrtsf2"): Rename
5929         'type' value.
5930         ("*divsf3"): Additionally rename second pattern to
5931         "*divsf3_ibm".
5932         ("truncdfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
5933         "*adddf3", "*adddf3_cc", "*adddf3_cconly", "*adddf3_ibm",
5934         "*addsf3", "*addsf3_cc", "*addsf3_cconly", "*subdf3",
5935         "subdf3_cc", "*subdf3_cconly", "*subdf3_ibm", "*subsf3",
5936         "subsf3_cc", "*subsf3_cconly", "*subsf3_ibm"): Merge identical
5937         'type values' and rename 'type' value.
5938         ("*addsf3"): Additionally rename second pattern to
5939         "*addsf3_ibm".
5940
5941 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
5942
5943         * config/s390/s390.md: ("SHIFT"): New mode macro.
5944         ("lr", "shift"): New mode attributes.
5945         ("ashldi3", "lshrdi3"): Merge.
5946         ("*ashldi3_31", "*lshrdi3"_31): Merge.
5947         ("*ashldi3_64", "*lshrdi3"_64): Merge.
5948         ("ashlsi3", "lshrsi3"): Merge.
5949
5950 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
5951
5952         * config/s390/s390.md: ("DSI", "SCOND"): New mode
5953         macros.
5954         ("E", "g"): New mode attributes.
5955         ("*adddi3_alc_cc", "*addsi3_alc_cc"): Merge.
5956         ("*adddi3_alc", "*addsi3_alc"): Merge.
5957         ("*subdi3_slb_cc", "*subsi3_slb_cc"): Merge.
5958         ("*subdi3_slb", "*subsi3_slb"): Merge.
5959         ("adddicc", "addsicc"): Merge.
5960         ("*sconddi", "*scondsi"): Merge.
5961         ("*sconddi_neg", "*scondsi_neg"): Merge.
5962         ("sltu", "sgtu", "sleu", "sgeu"): Merge.
5963         ("negdi2", "negsi2"): Extract expander pattern from
5964         "negsi2" and merge with "negdi2".
5965         ("*negdi2"): Merge with instruction pattern of "negsi2".
5966         ("*negdi2_cc", "*negsi2_cc"): Merge.
5967         ("*negdi2_cconly", "*negsi2_cconly"): Merge.
5968         ("rotldi3", "rotlsi3"): Merge.
5969
5970 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
5971
5972         * config/s390/s390.md: ("hc"): New mode attribute.
5973         ("extendhidi2", "extendqidi2"): Merge.
5974         ("*extendhidi2", "*extendqidi2"): Merge.
5975         ("extendhisi2", "extendqisi2"): Merge.
5976         ("zero_extendhidi2", "zero_extendqidi2"): Merge.
5977         ("*zero_extendhidi2", "*zero_extendqidi2"): Merge.
5978         Merged 2 define_split.
5979         ("*zero_extendhisi2", "*zero_extendqisi2"): Merge.
5980         ("*zero_extendhisi2_64", "*zero_extendqisi2_64"): Merge.
5981
5982 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
5983
5984         * config/s390/s390.md: ("COMPARE"): New mode macro.
5985         ("beq", "bne", "bgt", "bgtu", "blt", "bltu", "bge", "bgeu",
5986         "ble", "bleu", "bunordered", "bordered", "buneq", "bunlt",
5987         "bungt", "bunle", "bunge", "bltgt"): Merge.
5988
5989 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
5990
5991         * config/s390/s390.md: ("INT"): New mode macro.
5992         ("one_cmpldi2", "one_cmplsi2", "one_cmplhi2", "one_cmplqi2"):
5993         Merge.
5994
5995 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
5996
5997         * config/s390/s390.md: ("GPR", "P"): New mode macros.
5998         ("cmpdi", "cmpsi"): Merge.
5999         ("strlendi", "strlensi"): Merge.
6000         ("*strlendi", "*strlensi"): Merge.
6001         ("movmemdi", "movmemsi"): Merge.
6002         ("clrmemdi", "clrmemsi"): Merge.
6003
6004 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
6005
6006         * config/s390/s390.md: ("HQI"): New mode macro.
6007         ("icm_lo", "icm_hi", "max_uint"): New mode attributes.
6008         ("*tmhi_full", "*tmqi_full"): Merge.
6009         ("*tsthiCCT", "*tstqiCCT"): Merge.
6010         ("*tsthi", "*tstqi"): Merge.
6011         ("*tsthi_cconly", "tstqi_cconly"): Merge.
6012         ("*sethighhisi", "*sethighqisi"): Merge.
6013
6014 2005-05-09  Kazu Hirata  <kazu@cs.umass.edu>
6015
6016         * crtstuff.c, integrate.h, tree-scalar-evolution.h,
6017         config/alpha/unicosmk.h, config/arc/arc.md,
6018         config/arm/bpabi.h, config/arm/coff.h, config/arm/elf.h,
6019         config/arm/ieee754-df.S, config/arm/ieee754-sf.S,
6020         config/arm/netbsd.h, config/arm/pe.c, config/arm/pe.h,
6021         config/arm/semi.h, config/arm/uclinux-elf.h,
6022         config/arm/wince-pe.h, config/fr30/fr30.c,
6023         config/rs6000/altivec.h: Update copyright.
6024
6025 2005-05-09  Nathan Sidwell  <nathan@codesourcery.com>
6026
6027         * config/pdp11/pdp11.c (pdp11_output_function_prologue): Use
6028         gcc_assert and gcc_unreachable as appropriate.
6029         (pdp11_output_function_epilogue, output_move_double,
6030         output_move_quad, print_operand_address, output_jump,
6031         output_addr_const_pdp11): Likewise.
6032         * config/pdp11/pdp11.h (FUNCTION_PROFILER,
6033         ASM_OUTPUT_ALIGN): Likewise.
6034         * config/pdp11/pdp11.md: Likewise.
6035         (extendhisi2, subhi3, subqi3): Likewise.
6036
6037 2005-05-09  David Edelsohn  <edelsohn@gnu.org>
6038
6039         PR middle-end/21237
6040         * dojump.c (do_jump, MINUS_EXPR): Build NE_EXPR and fall through
6041         to NE_EXPR case.
6042
6043 2005-05-09  Kazu Hirata  <kazu@cs.umass.edu>
6044
6045         * config/ia64/ia64.c: Fix a comment typo.
6046
6047 2005-05-09  Richard Earnshaw  <rearnsha@arm.com>
6048
6049         PR target/21397
6050         * arm.c (ARM_OPT_SET_CPU, ARM_OPT_SET_ARCH, ARM_OPT_SET_TUNE): Define.
6051         (arm_override_options): Use them instead of manifest constants.  Don't
6052         allow -march to override the -mtune setting.
6053
6054 2005-05-09  Nathan Sidwell  <nathan@codesourcery.com>
6055
6056         * config/iq2000/iq2000.c (abort_with_insn): Use fancy_abort.
6057         (gen_int_relational): Use gcc_unreachable and gcc_assert as necessary.
6058         (function_arg_advance, function_arg, save_restore_insns,
6059         iq2000_expand_prologue, iq2000_output_conditional_branch,
6060         expand_one_builtin, print_operand):
6061         * config/iq2000/iq2000.md (tablejump): Likewise.
6062
6063 2005-05-09  David Ung  <davidu@mips.com>
6064
6065         * config/mips/mips.h (processor_type): Add names for the 24K.
6066         * config/mips/mips.c (mips_cpu_info_table): Add names for the 24K
6067         processor family.
6068         * config/mips/mips.md (cnv_mode): New attribute for recording the
6069         conversion types of float convert insns.
6070         (cpu): Add 24k and 24kx.
6071         (include): Include 24k.md file.
6072         (truncdfsf2, extendsfdf2, fix_truncdfsi2_insn, fix_truncdfsi2_macro)
6073         (fix_truncdfdi2, fix_truncsfdi2, floatsidf2, floatdidf2, floatsisf2)
6074         (floatdisf2): Setup cnv_mode.
6075         (fix_truncsfsi2_insn, fix_truncsfsi2_macro): Changed mode to SF and
6076         setup cnv_mode.
6077         * config/mips/24k.md: New file, contains 24k DFA pipeline
6078         description.
6079
6080 2005-05-09  Nathan Sidwell  <nathan@codesourcery.com>
6081
6082         * config/sh/sh.c (print_operand_address): Use gcc_assert and
6083         gcc_unreachable as appropriate.
6084         (print_operand, prepare_move_operands, prepare_scc_operands,
6085         output_movedouble, output_branch, shift_insns_rtx, gen_shifty_op,
6086         gen_shl_and, shl_sext_kind, gen_datalabel_ref, dump_table,
6087         fixup_mova, gen_far_branch, sh_reorg, split_branches,
6088         final_prescan_insn, output_stack_adjust, sh_expand_epilogue,
6089         sh_set_return_address, sh_setup_incoming_varargs,
6090         initial_elimination_offset, sh_pch_valid_p, get_free_reg,
6091         sh_expand_builtin, sh_output_mi_thunk, extract_sfunc_addr,
6092         check_use_sfunc_addr): Likewise.
6093         * config/sh/netbsd-elf.h (FUNCTION_PROFILER): Likewise.
6094         * config/sh/sh.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Likewise.
6095         * config/sh/symbian.c (sh_symbian_mark_dllexport,
6096         sh_symbian_mark_dllimport): Likewise.
6097         * config/sh/sh.md: Likewise.
6098         (movdicc, call_pop, call_value_pop, casesi_worker_1,
6099         casesi_worker_2, casesi_shift_media, casesi_load_media,
6100         return_media): Likewise.
6101
6102 2005-05-08  Roger Sayle  <roger@eyesopen.com>
6103
6104         PR inline-asm/8788
6105         * stmt.c (expand_asm_operands): Avoid calling force_reg on BLKmode
6106         operands.
6107
6108 2005-05-08  Richard Henderson  <rth@redhat.com>
6109
6110         * config/alpha/alpha.c (adjust_address): Fix typo last change.
6111
6112 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
6113
6114         * config/m68hc11/m68hc11.h (REG_VALID_P): A regno must be >= 0
6115         and -1 can happen in reg_renumber when no hard register is assigned.
6116
6117 2005-05-08  Steven Bosscher  <stevenb@suse.de>
6118             Kazu Hirata  <kazu@cs.umass.edu>
6119
6120         PR tree-optimization/14841, tree-optimization/15838
6121         * tree-ssa-ccp.c (fold_const_aggregate_ref): New.
6122         (evaluate_stmt): Call it.
6123
6124 2005-05-08  Jakub Jelinek  <jakub@redhat.com>
6125
6126         * config/ia64/ia64.c (ia64_override_options): Don't set
6127         ia64_flag_var_tracking and clear flag_var_tracking here...
6128         (ia64_file_start): ... but here.
6129
6130 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
6131
6132         * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use gcc_assert
6133         and gcc_unreachable as appropriate.
6134         (expand_prologue, expand_epilogue, m68hc11_gen_lowpart,
6135         m68hc11_gen_highpart, print_operand, print_operand_address,
6136         m68hc11_expand_compare, m68hc11_expand_compare_and_branch,
6137         m68hc11_gen_movhi): Likewise.
6138         * config/m68hc11/m68hc11.h (HARD_X_REGNUM): Reword comment.
6139         * config/m68hc11/m68hc11.md: Reword comment.
6140
6141 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
6142
6143         PR target/21281
6144         * config/m68hc11/predicates.md (splitable_operand): An immediate is
6145         allowed.
6146
6147 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
6148
6149         * config/m68hc11/predicates.md (reg_or_some_mem_operand): Do not allow
6150         the 68HC12 address indirect addressing mode as it is not supported by
6151         bset and bclr.
6152         * config/m68hc11/m68hc11-protos.h
6153         (m68hc11_valid_addressing_p): Declare.
6154         (m68hc11_add_mode): Declare.
6155         * config/m68hc11/m68hc11.c (m68hc11_valid_addressing_p): Rename from
6156         register_indirect_p and export it.
6157         (m68hc11_z_replacement): Use emit_insn_after when adding the save Z
6158         instruction so that it is part of the good BB.
6159         (m68hc11_gen_movhi): Fix invalid generation of indexed indirect
6160         addressing with movw.
6161         (m68hc11_gen_movqi): Use pula and pulb instead of lda and ldb for
6162         68HC12.
6163         * config/m68hc11/m68hc11.h (ADDR_STRICT, ADDR_INCDEC, ADDR_INDEXED,
6164         ADDR_OFFSET, ADDR_INDIRECT, ADDR__CONST): Moved from m68hc11.c.
6165         * config/m68hc11/m68hc11.md ("movhi_const0"): Use this pattern only
6166         for 68HC11.
6167         ("*movhi_68hc12"): Handle movhi_const0.
6168         ("*subhi3", "subqi3"): Use general_operand for operand 1.
6169         ("*subhi3_zext"): Likewise.
6170
6171 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
6172
6173         PR target/19051
6174         * config/m68hc11/m68hc11.md ("mulqi3"): Use general_operand for
6175         operand 1 and fix constraints.
6176         ("mulqihi3"): Use general_operand for operand 2.
6177
6178 2005-05-08  Julian Brown  <julian@codesourcery.com>
6179             H.J. Lu  <hongjiu.lu@intel.com>
6180             Paul Brook  <paul@codesourcery.com>
6181
6182         * configure.ac: Set ld_vers_major, ld_vers_minor and ld_vers_patch for
6183         GNU linker. Support linker version x.x.x.x.x. Require GNU linker
6184         20050308/2.16.0 or newer for comdat group.
6185         * configure: Regenerated.
6186         * config.in: Regenerated.
6187         * varasm.c (default_function_rodata_section): Put .rodata section in
6188         COMDAT group when necessary.
6189         (default_elf_asm_named_section): Rename HAVE_GAS_COMDAT_GROUP to
6190         HAVE_COMDAT_GROUP.
6191         (default_unique_section_1): Don't use .gnu.linkonce when COMDAT is
6192         available.
6193
6194 2005-05-08  Kazu Hirata  <kazu@cs.umass.edu>
6195
6196         * tree-dfa.c (referenced_vars, add_referenced_var): Use VEC
6197         instead of VARRAY.
6198         * tree-flow.h (num_referenced_var, referenced_var): Likewise.
6199         * tree-into-ssa.c (mark_def_site_blocks): Likewise.
6200         * tree-ssa.c (init_tree_ssa, delete_tree_ssa): Likewise.
6201         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
6202
6203 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
6204
6205         PR target/16925
6206         * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Handle split of
6207         64-bit constants on 64-bit hosts.
6208         (m68hc11_split_logical): Simplify.
6209         (m68hc11_split_move): Likewise.
6210
6211 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
6212             Paolo Bonzini  <bonzini@gnu.org>
6213
6214         * Makefile.in (cs-tconfig.h): Pass USED_FOR_TARGET to mkconfig.sh
6215         * aclocal.m4 (GCC_TARGET_TEMPLATE, AH_TEMPLATE): New.
6216         * configure.ac (enable_checking): Fix typos in runtime_checking.
6217         (ENABLE_RUNTIME_CHECKING): Mark as target template.
6218         (xm_file): Prepend auto-host.h
6219         (HAVE_GAS_HIDDEN, HAVE_LD_EH_FRAME_HDR): Mark as target template.
6220         * mkconfig.sh: Do not automatically define USED_FOR_TARGET in
6221         tconfig.h.
6222         * crtstuff.c: Do not include auto-host.h.
6223         (IN_LIBGCC2): Do not define.
6224         * gcov-io.h: Include tconfig.h, not auto-host.h.
6225         * libgcc2.c: Do not include auto-host.h.
6226         (abort): Do not undefine.
6227         * libgcov.c: Remove unneeded comment about config.h.
6228         * unwind-dw2-fde-glibc.c: Do not inlude auto-host.h.
6229         * config.in, configure: Regenerated.
6230
6231 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
6232             Falk Hueffner  <falk@debian.org>
6233
6234         * config/alpha/alpha.c (tls_symbolic_operand_1): Use gcc_assert
6235         and gcc_unreachable as appropriate.
6236         (get_aligned_mem, get_unaligned_address,
6237         alpha_emit_set_long_const, alpha_emit_conditional_branch,
6238         alpha_emit_setcc, alpha_emit_conditional_move,
6239         alpha_lookup_xfloating_lib_func, alpha_compute_xfloating_mode_arg,
6240         alpha_emit_xfloating_libcall, alpha_split_tfmode_pair,
6241         alpha_expand_unaligned_load, alpha_expand_block_move,
6242         alpha_expand_zap_mask, get_trap_mode_suffix,
6243         get_round_mode_suffix, get_some_local_dynamic_name,
6244         print_operand_address, function_arg, alpha_return_in_memory,
6245         function_value, alpha_expand_builtin,
6246         alpha_initial_elimination_offset, alpha_expand_epilogue,
6247         summarize_insn, alpha_handle_trap_shadows, alphaev5_insn_pipe,
6248         alphaev5_next_group, alpha_align_insns,
6249         unicosmk_initial_elimination_offset, unicosmk_unique_section,
6250         unicosmk_ssib_name): Likewise.
6251         * config/alpha/alpha.h (ASM_OUTPUT_ADDR_VEC_ELT): Likewise.
6252         * config/alpha/unicosmk.h (TRAMPOLINE_TEMPLATE,
6253         ASM_OUTPUT_ADDR_DIFF_ELT, ASM_OUTPUT_ADDR_DIFF_VEC): Likewise.
6254         * config/alpha/vms.h (INITIAL_ELIMINATION_OFFSET,
6255         ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
6256         * config/alpha/alpha.md (*divmodsi_internal_er,
6257         *divmoddi_internal_er, ashldi3, *insxl, sibcall, call_osf,
6258         call_nt, call_umk, call_vms, call_value, sibcall_value,
6259         call_value_osf, call_value_nt, call_value_vms, call_value_umk,
6260         *call_vms_1, *movmemdi_1, *clrmemdi_1, *call_value_vms_1): Likewise.
6261         * config/alpha/predicates.md (input_operand): Likewise.
6262
6263 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
6264
6265         * config/frv/frv.c (frv_default_flags_for_cpu): Use gcc_assert and
6266         gcc_unreachable, as appropriate.
6267         (frv_function_prologue, frv_alloc_temp_reg,
6268         frv_initial_elimination_offset, frv_expand_block_move,
6269         frv_expand_block_clear, frv_print_operand_jump_hint,
6270         frv_legitimize_tls_address, unspec_got_name, frv_emit_move,
6271         frv_emit_movsi, frv_split_cond_move, frv_split_minmax,
6272         frv_ifcvt_modify_insn, frv_ifcvt_modify_final,
6273         frv_adjust_field_align, frv_insn_unit, frv_cond_flags,
6274         frv_sort_insn_group, frv_reorder_packet, frv_matching_accg_mode,
6275         frv_in_small_data_p, frv_asm_out_constructor,
6276         frv_asm_out_destructor, frv_output_dwarf_dtprel): Likewise.
6277         * config/frv/frv.md (reload_incc_fp, *cond_exec_si_binary1,
6278         *cond_exec_si_binary2, *cond_exec_si_divide, *cond_exec_si_unary1,
6279         *cond_exec_sf_conv, *cond_exec_sf_add, call, sibcall, call_value,
6280         sibcall_value, casesi): Likewise.
6281
6282         * config/mn10300/mn10300.c (print_operand): Use gcc_assert and
6283         gcc_unreachable as appropriate.
6284         (print_operand_address, mn10300_print_reg_list, expand_prologue,
6285         expand_epilogue, notice_update_cc, initial_offset,
6286         mn10300_address_cost_1): Likewise.
6287         * config/mn10300/mn10300.md: Likewise.
6288         (absdf2, abssf2, negdf2, negsf2): Likewise.
6289
6290 2005-05-08  Richard Sandiford  <rsandifo@redhat.com>
6291
6292         PR target/21416
6293         * config/mips/mips.c (mips_emit_compare): Don't reverse UNGE and UNGT
6294         comparisons.
6295         * config/mips/mips.md (swapped_fcond): New code macro and attribute.
6296         (sgt_<mode>, sge_<mode>): Generalize to all members of swapped_fcond,
6297         including sunge_<mode> and sungt_<mode>.
6298
6299 2005-05-08  Richard Sandiford  <rsandifo@redhat.com>
6300
6301         * integrate.h (get_hard_reg_initial_val): Change type of register
6302         parameter from int to unsigned int.
6303         (has_hard_reg_initial_val): Likewise.
6304         * integrate.c (get_hard_reg_initial_val): Likewise.
6305         (has_hard_reg_initial_val): Likewise.  Remove cast to unsigned int.
6306
6307 2005-05-08  Kazu Hirata  <kazu@cs.umass.edu>
6308
6309         * except.c (eh_status): Change the type of ttype_data to
6310         VEC(tree,gc)*.
6311         (add_ttypes_entry, assign_filter_values,
6312         output_function_exception_table): Use VEC instead of VARRAY.
6313
6314 2005-05-07  David Edelsohn  <edelsohn@gnu.org>
6315
6316         * config/rs6000/rs6000.md (popcount<mode>2): Fix non-C90 constant.
6317
6318 2005-05-07  Paul Brook  <paul@codesourcery.com>
6319
6320         * Makefile.in: Fix dependencies.
6321         (GCOV_IO_H, VARRAY_H): Set.
6322
6323 2005-05-07  Anthony Green  <green@redhat.com>
6324
6325         PR bootstrap/21403
6326         * configure.ac (STMP_FIXPROTO): Fix [ ] consumption problem in
6327         x$STMP_FIXPROTO test.
6328         * configure: Rebuilt.
6329
6330 2005-05-07  Joseph S. Myers  <joseph@codesourcery.com>
6331
6332         * config/pa/pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Do not define
6333         inappropriate feature test macros if flag_iso.
6334
6335 2005-05-07  Joseph S. Myers  <joseph@codesourcery.com>
6336
6337         * config/ia64/hpux.h (NO_IMPLICIT_EXTERN_C): Define.
6338
6339 2005-05-07  Hans-Peter Nilsson  <hp@axis.com>
6340
6341         PR target/21441
6342         * config/cris/cris.md ("*movdi_insn", "*mov_sidesisf_biap")
6343         ("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"):
6344         Handle moved operand being in special register.
6345         ("smulsi3_highpart", "umulsi3_highpart"): Change .error into
6346         presumed working insn.
6347         (mover2side): Add FIXME.
6348
6349 2005-05-07  Richard Sandiford  <rsandifo@redhat.com>
6350
6351         * integrate.c (get_func_hard_reg_initial_val): Delete.
6352         (has_func_hard_reg_initial_val): Delete.
6353         (get_hard_reg_initial_val): Inline the old implementation of
6354         get_func_hard_reg_initial_val.  Use has_hard_reg_initial_val
6355         instead of has_func_hard_reg_initial_val to test for an existing
6356         pseudo.  Only create an rtx if a new initial value entry is needed.
6357         (has_hard_reg_initial_val): Scan the initial value list directly.
6358         Don't create an rtx.
6359
6360 2005-05-07  David Edelsohn  <edelsohn@gnu.org>
6361
6362         * config.gcc ({powerpc,rs6000}-ibm-aix*): Remove rs6000/aix.opt
6363         from extra_options.
6364         * config.in (HAVE_AS_POPCNTB): New.
6365         * configure.ac (HAVE_AS_MFCRF): Add .machine "pwr5" to AIX test.
6366         (HAVE_AS_POPCNTB): New.
6367         * configure: Regenerated.
6368         * config/rs6000/aix.h (TARGET_XL_COMPAT): Delete.
6369         * config/rs6000/rs6000.c (rs6000_override_options, power5): Add
6370         MASK_POPCNTB.  Uncomment rs6000_sched_restricted_insns_priority
6371         and rs6000_sched_costly_dep.
6372         * config/rs6000/rs6000.h (TARGET_POPCNTB): New.
6373         (TARGET_XL_COMPAT): Delete.
6374         * config/rs6000/rs6000.md (UNSPEC_POPCNTB): New.
6375         (popcount<mode>2): New.
6376         (popcntb<mode>2): New.
6377         * config/rs6000/rs6000.opt (mpopcntb): New.
6378
6379         * opt-functions.awk (var_set): Emit OPTION_MASK_ for InverseMask
6380         if variable name exists.
6381
6382 2005-05-07  Matt Kraai  <kraai@ftbfs.org>
6383
6384         * Makefile.in (c-gimplify.o): Depend on $(RTL_H) instead of rtl.h.
6385
6386 2005-05-07  Richard Henderson  <rth@redhat.com>
6387
6388         PR target/21412
6389         * config/rs6000/rs6000.c (rs6000_emit_move): Look for tls addresses
6390         with constant offsets.
6391
6392 2005-05-07  Nathan Sidwell  <nathan@codesourcery.com>
6393
6394         * config/v850/v850.c (print_operand): Use gcc_assert and
6395         gcc_unreachable, as appropriate.
6396         (print_operand_address, v850_handle_data_area_attribute,
6397         v850_encode_data_area, construct_restore_jr, construct_save_jarl,
6398         v850_insert_attributes, construct_prepare_instruction): Likewise.
6399         * config/v850/v850.h (INITIAL_ELIMINATION_OFFSET): Likewise.
6400         * config/v850/v850.md (movsicc, *sasf_1): Likewise.
6401
6402 2005-05-07  Kazu Hirata  <kazu@cs.umass.edu>
6403
6404         * tree-ssa-loop-ivcanon.c, config/i386/i386.c,
6405         config/rs6000/rs6000.h: Fix comment typos.
6406
6407 2005-05-07  Richard Sandiford  <rsandifo@redhat.com>
6408
6409         * doc/invoke.texi: Remove documentation for MIPS' -mint64 option.
6410         * config/mips/mips.c (TARGET_SCALAR_MODE_SUPPORTED_P): Delete.
6411         (mips_scalar_mode_supported_p): Delete.
6412
6413 2005-05-06  Eric Christopher  <echristo@redhat.com>
6414
6415         * config/mips/mips.opt: Remove -mint64 option.
6416         * config/mips/mips.c (override_options): Remove -mint64
6417         handling.
6418         * config/mips/mips.h (INT_TYPE_SIZE): Define to 32.
6419         * config/mips/linux.h (TARGET_OS_CPP_BUILTINS): Remove
6420         64-bit integer handling.
6421         * doc/invoke.texi (Option Summary): Remove -mint64 for
6422         mips.
6423
6424 2005-05-06  Zdenek Dvorak  <dvorakz@suse.cz>
6425
6426         PR tree-optimization/19401
6427         * tree-flow.h (tree_unroll_loops_completely): Declaration changed.
6428         * tree-ssa-loop-ivcanon.c (enum unroll_level): New.
6429         (estimated_unrolled_size): New function.
6430         (try_unroll_loop_completely, canonicalize_loop_induction_variables,
6431         tree_unroll_loops_completely): Always unroll loops if the code size
6432         does not increase.
6433         * tree-ssa-loop.c (tree_complete_unroll): Indicate whether all
6434         loops should be unrolled completely.
6435         (gate_tree_complete_unroll): Run complete unrolling unconditionally.
6436
6437 2005-05-06  Zdenek Dvorak  <dvorakz@suse.cz>
6438
6439         PR rtl-optimization/21254
6440         * loop-iv.c (iv_number_of_iterations): Simplify infiniteness
6441         assumptions for loops that otherwise do not roll.
6442         (find_simple_exit): Prefer # of iterations that is guaranteed
6443         not to be infinite.
6444         * loop-unroll.c (decide_peel_once_rolling,
6445         decide_peel_completely): Check whether the loop is infinite.
6446
6447 2005-05-06  Pat Haugen  <pthaugen@us.ibm.com>
6448
6449         * config/rs6000/sysv4.opt: Fix typo.
6450
6451 2005-05-06  Denis Vlasenko  <vda@port.imtp.ilyichevsk.odessa.ua>
6452             Jakub Jelinek  <jakub@redhat.com>
6453
6454         PR target/21329
6455         * config/i386/i386.c (ix86_expand_movmem): Don't use rep; movsb
6456         for -Os if (movsl;)*(movsw;)?(movsb;)? sequence is shorter.
6457         Don't use rep; movs{l,q} if the repetition count is really small,
6458         instead use a sequence of movs{l,q} instructions.
6459
6460 2005-05-06  Jeff Law  <law@redhat.com>
6461
6462         PR tree-optimization/21380
6463         * tree-ssa-threadupdate.c (thread_through_all_blocks): Do not
6464         thread through a block with no preds.
6465
6466 2005-05-06  Kazu Hirata  <kazu@cs.umass.edu>
6467
6468         * tree-ssa-operands.c (clobbered_v_may_defs, clobbered_vuses,
6469         ro_call_vuse, fini_ssa_operands, add_call_clobber_ops,
6470         add_call_read_ops): Use VEC instead of VARRAY.
6471
6472 2005-05-06  Nathan Sidwell  <nathan@codesourcery.com>
6473
6474         * config/mcore/mcore.c (mcore_print_operand_address): Use
6475         gcc_assert and gcc_unreachable as appropriate.
6476         (mcore_print_operand, mcore_gen_compare_reg, mcore_output_call,
6477         mcore_output_andn, output_inline_const, mcore_output_move,
6478         mcore_output_movedouble, mcore_expand_block_move,
6479         layout_mcore_frame, mcore_initial_elimination_offset,
6480         mcore_expand_prolog, mcore_mark_dllexport,
6481         mcore_mark_dllimport): Likewise.
6482         * config/mcore/mcore.h (switch_to_section): Likewise.
6483         * config/mcore/mcore.md: Likewise.
6484
6485 2005-05-06  Aldy Hernandez  <aldyh@redhat.com>
6486
6487         * config/rs6000/linux64.h: Remove MASK_PROFILE_KERNEL, and
6488         TARGET_PROFILE_KERNEL.
6489
6490         * config/rs6000/rs6000.c (output_profile_hook): Add comment to
6491         TARGET_PROFILE_KERNEL use.
6492
6493 2005-05-06  Nathan Sidwell  <nathan@codesourcery.com>
6494
6495         * config/m32r/m32r.c (m32r_encode_section_info): Use gcc_assert
6496         and gcc_unreachable, as appropriate.
6497         (gen_compare, gen_split_move_double, m32r_setup_incoming_varargs,
6498         m32r_expand_prologue, m32r_output_function_epilogue,
6499         m32r_legitimize_pic_address, m32r_print_operand_address,
6500         emit_cond_move, m32r_function_symbol,
6501         m32r_output_block_move): Likewise.
6502         * config/m32r/m32r.h (INITIAL_ELIMINATION_OFFSET): Likewise.
6503         * config/m32r/m32r.md ( *movsi_insn, *zero_branch_insn,
6504         *rev_zero_branch_insn): Likewise.
6505
6506 2005-05-06  Jakub Jelinek  <jakub@redhat.com>
6507
6508         PR c++/20961
6509         * varasm.c (merge_weak): Remove NEWDECL from WEAK_DECLS chain
6510         if both NEWDECL and OLDDECL are already weak.
6511
6512 2005-05-06  Richard Sandiford  <rsandifo@redhat.com>
6513
6514         * config/rs6000/sysv4.h (EXTRA_SUBTARGET_SWITCHES): Delete.
6515
6516 2005-05-05  J"orn Rennecke  <joern.rennecke@st.com>
6517             Kaz Kojima  <kkojima@gcc.gnu.org>
6518
6519         * config/sh/sh.c (sh_builtin_saveregs): Use copy_to_mode_reg
6520         and plus_constant.
6521
6522 2005-05-05  Aldy Hernandez  <aldyh@redhat.com>
6523             David Edelsohn  <edelsohn@gnu.org>
6524
6525         * config.gcc: Add .opt magic for the rs6000 ports.
6526
6527         * doc/invoke.texi: Document -mabi= option properly.  Document
6528         -misel and -mno-sel.  Document -mspe and -mno-spe.  Document
6529         -mvrsave and -mno-vrsave.  Document deprecation of -mspe= and
6530         -misel=.
6531
6532         * config/rs6000/aix.h: Remove XL_COMPAT stuff.  Remove
6533         SUBTARGET_SWITCHES and SUBSUBTARGET_SWITCHES.  Define
6534         TARGET_XL_COMPAT.
6535
6536         * config/rs6000/aix.opt: New.
6537         * config/rs6000/aix41.opt: New.
6538         * config/rs6000/aix64.opt: New.
6539         * config/rs6000/darwin.opt: New.
6540         * config/rs6000/linux64.opt: New.
6541         * config/rs6000/rs6000.opt: New.
6542         * config/rs6000/sysv4.opt: New.
6543
6544         * config/rs6000/sysv4.h: Delete definitions of MASK_* and
6545         associated TARGET_*.  Remove SUBTARGET_OPTIONS,
6546         SUBTARGET_SWITCHES.
6547         Define TARGET_USES_SYSV4_OPT.
6548         * config/rs6000/aix41.h: Remove SUBSUBTARGET_SWITCHES.
6549         * config/rs6000/aix43.h: Remove SUBSUBTARGET_SWITCHES.  Define
6550         TARGET_USES_AIX64_OPT.
6551         * config/rs6000/aix51.h: Same.
6552         * config/rs6000/aix52.h: Same.
6553         * config/rs6000/darwin.h: Remove SUBTARGET_SWITCHES,
6554         MASK_MACHO_DYNAMIC_NO_PIC, TARGET_MACHO_DYNAMIC_NO_PIC.
6555         Use TARGET_ALTIVEC_VRSAVE instead of rs6000_altivec_vrsave.
6556         Define TARGET_DYNAMIC_NO_PIC as TARGET_MACHO_DYNAMIC_NO_PIC.
6557         * config/rs6000/linux64.h: Use
6558         rs6000_explicit_options.  Remove EXTRA_SUBTARGET_SWITCHES.
6559
6560         * config/rs6000/rs6000.c: Remove definitions of
6561         rs6000_sched_restricted_insns_priority,
6562         rs6000_long_double_size_string, rs6000_altivec_vrsave,
6563         rs6000_altivec_vrsave_string, rs6000_isel, rs6000_spe,
6564         rs6000_float_gprs_string, rs6000_isel_string, rs6000_spe_string,
6565         rs6000_abi_string, rs6000_warn_altivec_long, rs6000_longcall,
6566         rs6000_alignment_string.  Define rs6000_explicit_options.
6567         (rs6000_parse_abi_options): Remove.
6568         (rs6000_parse_alignment_option): Remove.
6569         (rs6000_parse_float_gprs_option): Remove.
6570         (rs6000_handle_option): New.  Define TARGET_HANDLE_OPTION.  Define
6571         TARGET_DEFAULT_TARGET_FLAGS.
6572         (rs6000_override_options): Revamp to use new .opt machinery.
6573
6574         * config/rs6000/rs6000.h: Remove old MASK_* and TARGET_* in favor
6575         of new .opt machinery.  Remove target_flags.  Redefine
6576         TARGET_MFCRF and TARGET_POWERPC64.  Remove TARGET_SWITCHES,
6577         SUBTARGET_SWITCHES, TARGET_OPTIONS, SUBTARGET_OPTIONS,
6578         rs6000_float_gprs_string, rs6000_isel_string, rs6000_spe_string,
6579         rs6000_altivec_vrsave_string, rs6000_altivec_vrsave,
6580         rs6000_longcall_switch, rs6000_default_long_calls,
6581         rs6000_sched_costly_dep_str, rs6000_sched_costly_dep,
6582         rs6000_warn_altivec_long, rs6000_warn_altivec_long_switch, and
6583         TARGET_ALTIVEC_VRSAVE.
6584
6585 2005-05-05  Ralf Corsepius  <ralf.corsepius@rtems.org>
6586
6587         * config.gcc (hppa1.1-*-rtems*): Remove.
6588         * config/pa/rtems.h: Remove.
6589
6590 2005-05-05  Ralf Corsepius  <ralf.corsepius@rtems.org>
6591
6592         * config/rs6000/t-rtems (MULTILIB_NEW_EXCEPTIONS_ONLY):
6593         Exclude roe/603e multilib variants.
6594
6595 2005-05-04  Denis Chertykov  <denisc@overta.ru>
6596
6597         PR target/21284
6598         * config/avr/avr.c (avr_output_addr_vec_elt): Use special section
6599         for output.
6600
6601 2005-05-05  Richard Sandiford  <rsandifo@redhat.com>
6602
6603         * config.gcc (arm*-wince-pe*, arm-*-pe*, strongarm-*-pe): Add
6604         arm/pe.opt to $extra_options.
6605         * config/arm/arm.h (target_flags, target_fpu_name, target_fpe_name)
6606         (target_float_abi_name, target_float_switch, target_abi_name)
6607         (ARM_FLAG_APCS_FRAME, ARM_FLAG_POKE, ARM_FLAG_FPE, ARM_FLAG_APCS_STACK)
6608         (ARM_FLAG_APCS_FLOAT, ARM_FLAG_APCS_REENT, ARM_FLAG_BIG_END)
6609         (ARM_FLAG_INTERWORK, ARM_FLAG_LITTLE_WORDS, ARM_FLAG_NO_SCHED_PRO)
6610         (ARM_FLAG_ABORT_NORETURN, ARM_FLAG_SINGLE_PIC_BASE)
6611         (ARM_FLAG_LONG_CALLS, ARM_FLAG_THUMB, THUMB_FLAG_BACKTRACE)
6612         (THUMB_FLAG_LEAF_BACKTRACE, THUMB_FLAG_CALLEE_SUPER_INTERWORKING)
6613         (THUMB_FLAG_CALLER_SUPER_INTERWORKING, CIRRUS_FIX_INVALID_INSNS)
6614         (TARGET_APCS_FRAME, TARGET_POKE_FUNCTION_NAME, TARGET_FPE)
6615         (TARGET_APCS_STACK, TARGET_APCS_FLOAT, TARGET_APCS_REENT)
6616         (TARGET_BIG_END, TARGET_INTERWORK, TARGET_LITTLE_WORDS)
6617         (TARGET_NO_SCHED_PRO, TARGET_ABORT_NORETURN, TARGET_SINGLE_PIC_BASE)
6618         (TARGET_LONG_CALLS, TARGET_THUMB, TARGET_CALLER_INTERWORKING)
6619         (TARGET_CIRRUS_FIX_INVALID_INSNS, SUBTARGET_SWITCHES, TARGET_SWITCHES)
6620         (TARGET_OPTIONS, arm_cpu_select, arm_select,  structure_size_string)
6621         (arm_pic_register_string): Delete.
6622         (TARGET_BACKTRACE): Redefine using TARGET_TPCS_LEAF_FRAME and
6623         TARGET_TPCS_FRAME.
6624         (TARGET_DEFAULT, CONDITIONAL_REGISTER_USAGE): Update mask names.
6625         * config/arm/coff.h (TARGET_DEFAULT): Likewise.
6626         * config/arm/elf.h (TARGET_DEFAULT): Likewise.
6627         * config/arm/netbsd-elf.h (TARGET_DEFAULT): Likewise.
6628         * config/arm/netbsd.h (TARGET_DEFAULT): Likewise.
6629         * config/arm/semi.h (TARGET_DEFAULT): Likewise.
6630         * config/arm/uclinux-elf.h (TARGET_DEFAULT): Likewise.
6631         * config/arm/wince-pe.h (TARGET_DEFAULT): Likewise.
6632         * config/arm/pe.h (TARGET_DEFAULT): Likewise.
6633         (TARGET_FLAG_NOP_FUN, TARGET_NOP_FUN_DLLIMPORT): Delete.
6634         (SUBTARGET_SWITCHES): Delete.
6635         * config/arm/arm.c (target_float_switch): Delete.
6636         (arm_cpu_select): Moved from config/arm/arm.h.
6637         (target_fpu_name, target_fpe_name, target_float_abi_name)
6638         (target_abi_name, structure_size_string, arm_pic_register_string)
6639         (arm_select): Make static.
6640         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
6641         (arm_handle_option): New function.
6642         (arm_override_options): Update target_flags checks for new mask names.
6643         Remove target_float_switch code.
6644         (arm_expand_prologue, thumb_expand_prologue): Check
6645         !TARGET_SCHED_PROLOG instead of TARGET_NO_SCHED_PRO.
6646         * config/arm/arm.opt, config/arm/pe.opt: New files.
6647
6648 2005-05-05  Nathan Sidwell  <nathan@codesourcery.com>
6649
6650         * config/arc/arc.c (get_arc_condition_code): Use gcc_assert &
6651         gcc_unreachable as appropriate.
6652         (arc_double_limm_p, arc_setup_incoming_varargs,
6653         arc_compute_function_type, arc_output_function_prologue,
6654         arc_output_function_epilogue, arc_eligible_for_epilogue_delay,
6655         output_shift, arc_print_operand, arc_print_operand_address,
6656         arc_final_prescan_insn): Likewise.
6657         * config/arc/arc.md (*movdi_insn, *movdf_insn): Likewise.
6658
6659 2005-05-04  Geoffrey Keating  <geoffk@apple.com>
6660
6661         * config/rs6000/rs6000.md (P): Use TARGET_*BIT rather than
6662         comparing Pmode.
6663         (SDI): New.
6664         (cmp): Delete.
6665         (wd): New.
6666         (add<mode>3, add<mode>3_internal1, add<mode>3_internal2,
6667         add<mode>3_internal3, one_cmpl<mode>2, sub<mode>3, neg<mode>2,
6668         clz<mode>2, ctz<mode>2, ffs<mode>2): New.
6669         (addsi3, addsi3_internal1, addsi3_internal2, addsi3_internal3,
6670         (one_cmplsi2, subsi3, negsi2, clzsi2, ctzsi2, ffssi2): Remove.
6671         (adddi3, adddi3_internal1, adddi3_internal2, adddi3_internal3,
6672         (one_cmpldi2, subdi3, negdi2, clzdi2, ctzdi2, ffsdi2): Remove.
6673         (sync_compare_and_swap<mode>): Use <wd> rather than <cmp>.
6674
6675 2005-05-05  Paul Brook  <paul@codesourcery.com>
6676
6677         * Makefile.in: Replace dependencies on basic-block.h, c-pragma.h,
6678         cfgloop.h, diagnostic.h, insn-attr.h, langhooks-def.h, params.h,
6679         regs.h, system.h, tree-dump.h, tree-gimple.h, tree-scalar-evolution.h
6680         and tree-data-ref.h with *_H variables.
6681
6682 2005-05-05  Kelley Cook  <kcook@gcc.gnu.org>
6683
6684         * config/m32r/xm-m32r.h, config/m32r/xm-linux.h: Delete files.
6685
6686 2005-05-05  Kelley Cook  <kcook@gcc.gnu.org>
6687
6688         * system.h: Poison BYTEORDER and HOST_WORDS_BIG_ENDIAN.
6689
6690 2005-05-04  Gerald Pfeifer  <gerald@pfeifer.com>
6691
6692         * doc/contrib.texi (Contributors): Add Mostafa Hagog and Ayal Zaks.
6693
6694 2005-05-04 Fariborz Jahanian <fjahanian@apple.com>
6695
6696         * config/rs6000/rs6000.c (rs6000_emit_prologue): Emit
6697         setting of vrsave register for current function after
6698         call to save_world is emitted.
6699
6700 2005-05-05  Hans-Peter Nilsson  <hp@bitrange.com>
6701
6702         * config/mmix/predicates.md: New file.
6703         * config/mmix/mmix.c (mmix_symbolic_or_address_operand)
6704         (mmix_reg_or_constant_operand, mmix_reg_cc_operand)
6705         (mmix_foldable_comparison_operator, mmix_comparison_operator)
6706         (mmix_reg_or_0_operand, mmix_reg_or_8bit_operand): Remove.
6707         * config/mmix/mmix.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
6708         Don't define.
6709         * config/mmix/mmix.md: Include predicates.md.
6710         ("call", "call_value"): Force address to register if it isn't a
6711         mmix_symbolic_or_address_operand.
6712
6713 2005-05-04  Andrew MacLeod  <amacleod@redhat.com>
6714
6715         * tree-flow-inline.h (op_iter_init_use, op_iter_init_def): Assert that
6716         the flags are of appropriate types.
6717         (num_ssa_operands): Generalize using the generic interface.
6718         * tree-ssa-dce.c (remove_dead_stmt): Don't ask for kills on a DEF
6719         iterator.
6720
6721 2005-05-04  Richard Sandiford  <rsandifo@redhat.com>
6722
6723         * protoize.c (version_flag, quiet_flag, nochange_flag, nosave_flag)
6724         (keep_flag, local_flag, global_flag, cplusplus_flag): Make extern.
6725
6726 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
6727
6728         * tree-outof-ssa.c (edge_leader, stmt_list,
6729         analyze_edges_for_bb): Use VEC instead of VARRAY.
6730         (init_analayze_edges_for_bb, fini_analayze_edges_for_bb): New.
6731         (perform_edge_inserts): Call init_analayze_edges_for_bb and
6732         fini_analayze_edges_for_bb.
6733
6734 2005-05-04  James E Wilson  <wilson@specifixinc.com>
6735
6736         PR driver/21112
6737         * gcc.c (process_command): In the second argv scan loop, ignore
6738         Xassembler and Xpreprocessor, along with their argument.
6739
6740 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
6741
6742         * tree-flow-inline.h, tree-ssa-operands.c,
6743         tree-ssa-operands.h, tree-ssa-opfinalize.h:
6744         Likewise. tree-vn.c: Fix comment typos.
6745         * doc/passes.texi, doc/tree-ssa.texi: Fix typos.
6746
6747 2005-05-04  Paolo Bonzini  <bonzini@gnu.org>
6748
6749         * doc/tm.texi (Target Hooks): Document
6750         TARGET_RESOLVE_OVERLOADED_BUILTIN.
6751
6752 2005-05-04  Paul Brook  <paul@codesourcery.com>
6753
6754         * Makefile.in: Change dependencies on target.h to $(TARGET_H).
6755
6756 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
6757
6758         * dwarf2out.c (incomplete_types, retry_incomplete_types,
6759         gen_struct_or_union_type_die, dwarf2out_init): Use VEC instead
6760         of VARRAY.
6761
6762         * loop-unroll.c (var_to_expand, analyze_insn_to_expand_var,
6763         get_expansion, expand_var_during_unrolling,
6764         insert_var_expansion_initialization,
6765         combine_var_copies_in_loop_exit, release_var_copies): Use VEC
6766         instead of VARRAY.
6767
6768         * tree-ssa-loop-ivopts.c (rewrite_address_base): Don't call
6769         update_stmt.
6770
6771 2004-05-03  Andrew Pinski  <pinskia@physics.uc.edu>
6772
6773         PR middle-end/15618
6774         * fold-const.c (fold_widened_comparison): Treat BOOLEAN_TYPE
6775         the same as INTEGER_TYPE.
6776         (fold_binary): Fold "bool_var != 0" to bool_var.
6777         Fold "bool_var == 1" to bool_var.
6778
6779 2004-05-03  Richard Henderson  <rth@redhat.com>
6780
6781         PR middle-end/21318
6782         * function.c (instantiate_virtual_regs_in_insn): Use the mode
6783         from recog_data instead of insn_data.
6784
6785 2005-05-03  DJ Delorie  <dj@redhat.com>
6786
6787         * common.opt (fdiagnostics-show-option): No variable is needed.
6788         * diagnostic.h (diagnostic_context): Add show_option_requested flag.
6789         * diagnostic.c (diagnostic_initialize): Initialize show_option_requested.
6790         (diagnostic_report_diagnostic): Test for enabled diagnostics here.
6791         Save and restore original message format.  Use flag in context
6792         instead of global.
6793         (warning): Don't test for enabled warnings here.
6794         * opts.c (common_handle_option): Handle -fdiagnostics-show-option
6795         here.
6796
6797 2005-05-04  Kelley Cook  <kcook@gcc.gnu.org>
6798
6799         * config/m32r/xm-m32r.h: Don't define HOST_WORDS_BIG_ENDIAN.
6800         * config/m32r/xm-linux.h: Don't undefine HOST_WORDS_BIG_ENDIAN.
6801         * mips-tfile.c: Use WORDS_BIG_ENDIAN instead of HOST_WORDS_BIG_ENDIAN.
6802         * aclocal.m4: Don't include accross.m4.
6803         * configure.ac: Use AC_C_BIGENDIAN instead of AC_C_BIGENDIAN_CROSS.
6804         Use AC_CHECK_SIZEOF instead of AC_COMPILE_CHECK_SIZEOF.
6805         * configure, config.in: Regenerate.
6806
6807 2005-05-04  Jakub Jelinek  <jakub@redhat.com>
6808
6809         PR middle-end/21265
6810         * expr.h (enum block_op_methods): Add BLOCK_OP_TAILCALL.
6811         (clear_storage): Add argument.
6812         * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall):
6813         Add tailcall argument, set CALL_EXPR_TAILCALL of the CALL_EXPR to
6814         tailcall.
6815         (emit_block_move): Handle BLOCK_OP_TAILCALL method.
6816         (clear_storage): Add method argument, handle BLOCK_OP_TAILCALL.
6817         (store_expr, store_constructor): Adjust callers.
6818         * builtins.c (expand_builtin_memcpy): Pass BLOCK_OP_TAILCALL
6819         to emit_block_move if CALL_EXPR_TAILCALL (exp).
6820         (expand_builtin_memmove): Add ORIG_EXP argument, copy
6821         CALL_EXPR_TAILCALL from ORIG_EXP to the new CALL_EXPR.
6822         (expand_builtin_bcopy): Replace ARGLIST and TYPE arguments
6823         with EXP.  Pass EXP to expand_builtin_memmove.
6824         (expand_builtin_memset): Add ORIG_EXP argument, pass
6825         BLOCK_OP_TAILCALL to clear_storage if CALL_EXPR_TAILCALL (orig_exp).
6826         (expand_builtin_bzero): Replace ARGLIST argument with EXP.
6827         Pass EXP to expand_builtin_memset.
6828         (expand_builtin_strcmp): Copy CALL_EXPR_TAILCALL from EXP to
6829         the new CALL_EXPR.
6830         (expand_builtin_strncmp): Likewise.
6831         (expand_builtin_printf): Replace ARGLIST argument with EXP.
6832         Copy CALL_EXPR_TAILCALL from EXP to the new CALL_EXPR.
6833         (expand_builtin_fprintf): Likewise.
6834         (expand_builtin): Adjust calls to
6835         expand_builtin_{memmove,bcopy,memset,bzero,{,f}printf}.
6836
6837         * config/i386/i386.c (ix86_expand_vector_set): Fix setting 3rd and 4th
6838         item in V4SF mode.
6839
6840         PR rtl-optimization/21239
6841         * combine.c (combine_simplify_rtx) <case VEC_SELECT>: Fix a typo.
6842
6843 2005-05-03  Kazu Hirata  <kazu@cs.umass.edu>
6844
6845         * tree-flow.h (tree_ann_common_d): Move aux to ...
6846         (stmt_ann_d): ... here.
6847         * tree-ssa-loop-im.c (LIM_DATA, determine_invariantness_stmt,
6848         move_computations_stmt, schedule_sm): Update references to
6849         aux.
6850         * tree-vectorizer.h (set_stmt_info, vinfo_for_stmt): Likewise.
6851
6852         * tree-cfg.c (remove_bb): Remove a redundant call to
6853         set_bb_for_stmt.
6854         * tree-if-conv.c (replace_phi_with_cond_modify_expr):
6855         Likewise.
6856
6857 2005-05-03  Richard Henderson  <rth@redhat.com>
6858
6859         * config/rs6000/rs6000.c: Remove conflict markers.
6860
6861         * cfg.c (dump_flow_info): Use max_reg_num, not max_regno.
6862
6863 2005-05-03  James E Wilson  <wilson@specifixinc.com>
6864
6865         * dwarf2out.c (lookup_filename): Call maybe_emit_file.
6866
6867 2005-05-03  DJ Delorie  <dj@redhat.com>
6868
6869         * c-decl.c (store_parm_decls_oldstyle): Let diagnostic machinery
6870         decide if the warning will be printed.
6871         * calls.c (expand_call): Likewise.
6872         * function.c (init-function_start): Likewise.
6873
6874         * common.opt (-fdiagnostics-show-option): New.
6875         * opts.c (option_enabled): Accept the option index instead of a
6876         pointer to the option descriptor.
6877         * opts.h (option_enabled): Likewise.
6878         * toplev.c (print_switch_values): Pass option index, not option
6879         descriptor.
6880         * diagnostic.h (diagnostic_info): Add option_index.
6881         * diagnostic.c: Include opts.h.
6882         (diagnostic_set_info): Initialize option_index.
6883         (diagnostic_report_diagnostic): Amend option name if appropriate.
6884         (warning): Check to see if the specified warning is enabled.
6885         Store option index.
6886         * doc/invoke.texi (-fdiagnostics-show-options): Document.
6887
6888 2005-05-03  Richard Henderson  <rth@redhat.com>
6889
6890         * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Fix ALL_REGS and
6891         SPEC_OR_GEN_REGS definitions.
6892
6893 2005-05-03  Alexandre Oliva  <aoliva@redhat.com>
6894
6895         PR target/16888
6896         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Clear reg names
6897         for unavailable registers.
6898
6899 2005-05-03  Kazu Hirata  <kazu@cs.umass.edu>
6900
6901         * tree-cfg.c (tree_forwarder_block_p): Fix a typo.
6902
6903         * cfglayout.c (block_locators_blocks,
6904         insn_locators_initialize, insn_scope): Use VEC instead of
6905         VARRAY.
6906
6907         * tree-mudflap.c (deferred_static_decls, mudflap_enqueue_decl,
6908         mudflap_finish_file, mudflap_finish_file): Use VEC instead of
6909         VARRAY.
6910
6911 2005-05-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
6912
6913         * config/sparc/predicates.md (const_compl_high_operand): New.
6914         * config/sparc/sparc.c (sparc_emit_set_safe_HIGH64): Rename into
6915         gen_safe_HIGH64.
6916         (sparc_emit_set_const64_quick1): Adjust for above change.
6917         (sparc_emit_set_const64_quick2): Likewise.
6918         (sparc_emit_set_const64_longway): Likewise.
6919         (sparc_emit_set_const64): Likewise.
6920         * config/sparc/sparc.md (movhi_const64_special, movsi_const64_special,
6921         movdi_const64_special): Delete.
6922         (logical constant splitters): Use const_compl_high_operand.
6923
6924 2005-05-03  Richard Guenther  <rguenth@gcc.gnu.org>
6925
6926         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Use STRIP_TYPE_NOPS
6927         rather than STRIP_NOPS.
6928
6929 2005-05-03  Jakub Jelinek  <jakub@redhat.com>
6930
6931         PR rtl-optimization/21330
6932         * loop-unswitch.c (may_unswitch_on): Set *cinsn only when
6933         returning non-NULL.
6934         (unswitch_single_loop): Clear cinsn when retrying.
6935
6936         PR target/21297
6937         * config/i386/i386.c (legitimize_address): When canonicalizing
6938         ASHIFT into MULT, multiply by 1 << shift_count instead of
6939         1 << log2 (shift_count).
6940
6941 2005-05-03  Andrew MacLeod  <amacleod@redhat.com>
6942
6943         * lambda-code.c (gcc_loop_to_lambda_loop,
6944         lambda_loopnest_to_gcc_loopnest, phi_loop_edge_uses_def,
6945         stmt_is_bumper_for_loop, perfect_nest_p, replace_uses_of_x_with_y): Use
6946         generic operand interface.
6947         * tree-data-ref.c (find_data_references_in_loop): Use generic interface.
6948         * tree-dfa.c (collect_dfa_stats_r, mark_new_vars_to_rename): Use
6949         generic operand interface.
6950         * tree-flow-inline.h (delink_imm_use, link_imm_use_to_list,
6951         link_imm_use, link_imm_use_stmt, relink_imm_use, relink_imm_use_stmt,
6952         next_safe_imm_use, has_zero_uses, has_single_use, single_imm_use,
6953         num_imm_uses): Use ssa_use_operand_t.
6954         (get_def_ops, get_use_ops, get_v_may_def_ops, get_vuse_ops,
6955         get_v_must_def_ops): Delete.
6956         (get_def_from_ptr, get_phi_result_ptr): Get def directly now.
6957         (get_use_op_ptr, get_def_op_ptr, get_v_may_def_result_ptr,
6958         get_v_may_def_op_ptr, get_vuse_op_ptr, get_v_must_def_result_ptr,
6959         get_v_must_def_kill_ptr): Delete.
6960         (delink_stmt_imm_use): Move and use new operand interface.
6961         (op_iter_next_use, op_iter_next_def, op_iter_next_tree, op_iter_init,
6962         op_iter_next_tree): Use new operand implementation.
6963         (clear_and_done_ssa_iter): New.  Initialize a blank operand iterator.
6964         (op_iter_init_use, op_iter_init_def, op_iter_init_tree): Add iterator
6965         type check.
6966         (op_iter_next_mustdef, op_iter_next_maydef,
6967         op_iter_next_must_and_may_def): Delete. Replace with...
6968         (op_iter_next_maymustdef): New.  Combine must and may next operations.
6969         (op_iter_init_maydef, op_iter_init_mustdef,
6970         op_iter_init_must_and_may_def): Use new interface.
6971         (single_ssa_tree_operand ): New.  Process single operands only as trees.
6972         (single_ssa_use_operand): New.  Process single operands only as uses.
6973         (single_ssa_def_operand): New.  Process single operands only as defs.
6974         (zero_ssa_operands): New.  Return TRUE if there are zero operands of the
6975         specified types.
6976         (num_ssa_operands): New.  Count the number of specified operands.
6977         (compare_ssa_operands_equal): New.  Compare two statements' operands.
6978         (single_phi_def): New.  Return true if PHI has one def of the specified
6979         operand type.
6980         (op_iter_init_phiuse): New.  Initialize the iterator for PHI arguments.
6981         (op_iter_init_phidef): New.  Initialize the iterator for the PHI def.
6982         * tree-flow.h (struct immediate_use_iterator_d): Use ssa_use_operand_t.
6983         (struct stmt_ann_d): Operands field no longer require GTY().
6984         (vn_compute, vn_lookup_or_add, vn_add, vn_lookup): Change prototype.
6985         * tree-into-ssa.c (mark_def_sites): Use SSA_OP_VMUSTKILL.
6986         * tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb,
6987         dump_replaceable_exprs, rewrite_trees): Use generic interface.
6988         * tree-phinodes.c (make_phi_node, release_phi_node, resize_phi_node):
6989         Use use_operand_p instead of ssa_imm_use_t *.
6990         * tree-pretty-print.c (dump_vops): check if operands are active before
6991         dumping virtual operands.
6992         * tree-sra.c (sra_walk_function): Use ZERO_SSA_OPERANDS.
6993         * tree-ssa-ccp.c (likely_value): Use ZERO_SSA_OPERANDS.
6994         (ccp_fold): Use new interface.
6995         (ccp_visit_stmt): Remove unused variables and code.
6996         (convert_to_gimple_builtin): Insert statements before calling
6997         mark_new_vars_to_rename.
6998         * tree-ssa-copy.c (stmt_may_generate_copy): Use ZERO_SSA_OPERANDS.
6999         (copy_prop_visit_cond_stmt): Use generic interface.
7000         * tree-ssa-dom.c (struct expr_hash_elt): Use stmt pointer, not the
7001         annotation in table.
7002         (thread_across_edge): Use generic interface.
7003         (initialize_hash_element): Initialzie with stmt, not annotation.
7004         (eliminate_redundant_computations): Use generic interface.
7005         (record_equivalences_from_stmt): Pass stmt, not annotation.
7006         (avail_expr_hash, real_avail_expr_hash, avail_expr_eq): Use generic
7007         interface.
7008         * tree-ssa-dse.c (dse_optimize_stmt): Use ZERO_SSA_OPERANDS.
7009         * tree-ssa-loop-ivopts.c (find_invariants_stmt,
7010         find_interesting_uses_stmt, protect_loop_closed_ssa_form_use): Use
7011         generic operand interface.
7012         * tree-ssa-loop-niter.c (chain_of_csts_start, get_val_for): Use generic
7013         interface.
7014         * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Use Generic operand
7015         Interface.
7016         * tree-ssa-operands.c (struct opbuild_list_d): New.  Operand build type.
7017         (build_defs, build_uses, build_v_may_defs, build_vuses,
7018         build_v_must_defs): Change type to struct opbuild_list_d.
7019         (ops_active): New.  Operands active boolean.
7020         (operand_memory, operand_memory_index): New.  Operand memory managers.
7021         (allocate_def_optype, allocate_use_optype, allocate_v_may_def_optype,
7022         allocate_vuse_optype, allocate_v_must_def_optype): Delete.
7023         (free_uses, free_defs, free_vuses, free_v_may_defs, free_v_must_defs):
7024         Change from functions to static variable list heads.
7025         (opbuild_initialize_virtual): New.  Initialize a virtual build list.
7026         (opbuild_initialize_real): New.  Initialize a virtual build list.
7027         (opbuild_free): New.  Free a build list.
7028         (opbuild_num_elems): New.  Number of items in a list.
7029         (opbuild_append_real): New.  Add a real (tree *) operand.
7030         (opbuild_append_virtual): New.  Add and sort a virtual (tree) operand.
7031         (opbuild_first): New.  Return first element index in a list.
7032         (opbuild_next): New.  Return next element in a list.
7033         (opbuild_elem_real): New.  Return real element.
7034         (opbuild_elem_virtual): New.  Return virtual element.
7035         (opbuild_elem_uid): New.  Return UID of virtual element.
7036         (opbuild_clear): New.  Reset an operand list.
7037         (opbuild_remove_elem): New.  Remove an element form a list.
7038         (ssa_operands_active): New.  Return true if operand cache is active.
7039         (init_ssa_operands, fini_ssa_operands): Initialize new implementation.
7040         (ssa_operand_alloc): New.  Allocate memory from an operand chunk.
7041         (correct_use_link): Use use_operand_p.
7042         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_defs,
7043         finalize_ssa_vuses, finalize_ssa_v_must_defs): New implmentation.
7044         (cleanup_v_may_defs): Use new implmentation.
7045         (finalize_ssa_stmt_operands, start_ssa_stmt_operands): New
7046         implementation.
7047         (append_def, append_use, append_v_may_def, append_vuse,
7048         append_v_must_def): Call opbuild_append routine instead of using varray.
7049         (build_ssa_operands): Simplify to simply use stmt, don't maintain a
7050         global parse_old_ops variable.
7051         (free_ssa_operands): New implementation.
7052         (update_stmt_operands): Move.  Change argument to build_ssa_operands.
7053         (copy_virtual_operands): Move. New generic implementation.
7054         (create_ssa_artficial_load_stmt): Move. New implementation.
7055         (swap_tree_operands): Update for new implementation.
7056         (get_expr_operands): Add stmt parameter to calls to swap_tree_operands.
7057         (add_call_clobber_ops, add_call_read_ops): Initialize opbuild list
7058         rather than a varray.
7059         (verify_imm_links): Use use_operand_p.
7060         (dump_immediate_uses_for): If the immediate use variable is a virtual
7061         variable, show the virtual ops in the stmt.
7062         * tree-ssa-operands.h (def_operand_p): No longer a structure.
7063         (NULL_DEF_OPERAND_P): Now a #define.
7064         (def_optype_d, use_optype_d, v_def_use_operand_type, v_may_def_optype_d,
7065         vuse_operand_type, vuse_optype_d, v_must_def_optype_d): Delete.
7066         (def_optype_d, use_optype_d, maydef_optype_d, vuse_optype_d,
7067         mustdef_optype_d): New.  Use Linked list representation.
7068         (SSA_OPERAND_MEMORY_SIZE): New.  Size of operand memory chunk.
7069         (struct ssa_operand_memory_d): New.  Allocated Chunk node.
7070         (struct stmt_operands_d): Change to new pointers that are not GTY.
7071         (STMT_USE_OPS, NUM_USES, SET_USE_OP, STMT_DEF_OPS, NUM_DEFS, SET_DEF_OP,
7072         STMT_V_MAY_DEF_OPS, NUM_V_MAY_DEFS, SET_V_MAY_DEF_RESULT,
7073         SET_V_MAY_DEF_OP, STMT_VUSE_OPS, NUM_VUSES, SET_VUSE_OP,
7074         STMT_V_MUST_DEF_OPS, NUM_V_MUST_DEFS, SET_V_MUST_DEF_RESULT,
7075         SET_V_MUST_DEF_KILL): Delete.
7076         (V_MAY_DEF_OPS, V_MAY_DEF_RESULT_PTR, V_MAY_DEF_RESULT,
7077         V_MAY_DEF_OP_PTR, V_MAY_DEF_OP): Rename to MAYDEF_*.
7078         (V_MUST_DEF_OPS, V_MUST_DEF_RESULT_PTR, V_MUST_DEF_RESULT,
7079         V_MUST_DEF_KILL_PTR, V_MUST_DEF_KILL): Rename to MUSTDEF_*.
7080         (enum ssa_op_iter_type): Operand iterator typechecking values.
7081         (struct ssa_operand_iterator_d): Use linked lists of operands.
7082         (SSA_OP_VMUSTDEFKILL): Rename to SSA_OP_VMUSTKILL.
7083         (FOR_EACH_SSA_MAYDEF_OPERAND, FOR_EACH_SSA_MUSTDEF_OPERAND,
7084         FOR_EACH_SSA_MUST_AND_MAY_DEF_OPERAND): Use op_iter_next_maymustdef.
7085         (FOR_EACH_PHI_ARG): New.  Iterate over PHI arguments.
7086         (FOR_EACH_PHI_OR_STMT_USE): New.  Iterate over PHI or stmt uses.
7087         (FOR_EACH_PHI_OR_STMT_DEF): New.  Iterate over PHI or stmt defs.
7088         (SINGLE_SSA_TREE_OPERAND, SINGLE_SSA_USE_OPERAND,
7089         SINGLE_SSA_DEF_OPERAND, ZERO_SSA_OPERANDS, NUM_SSA_OPERANDS): New.
7090         * tree-ssa-opfinalize.h: New.  Function templates for expansion.
7091         (FINALIZE_ALLOC): Expands into alloc_def, alloc_use, alloc_maydef,
7092         alloc_vuse, and alloc_mustdef.
7093         (FINALIZE_FUNC): Expands into finalize_ssa_def_ops,
7094         finalize_ssa_use_ops, finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
7095         and finalize_ssa_v_must_def_ops.
7096         * tree-ssa-pre.c (add_to_sets): Pass tree to vn_add.
7097         (create_value_expr_from): Use stmt not vuse_optype as a parameter. Pass
7098         stmt around.
7099         (compute_avail): Use generic iterator interface.
7100         * tree-ssa-propagate.c (first_vdef): Use generic operand interface.
7101         (stmt_makes_single_load, stmt_makes_single_store): Use
7102         ZERO_SSA_OPERANDS.
7103         * tree-ssa-sink.c (is_hidden_global_store): Use ZERO_SSA_OPERANDS.
7104         (statement_sink_location): Use generic interface.
7105         * tree-ssa.c (verify_ssa):  Use %p in fprintf.  Use generic interface.
7106         (delete_tree_ssa): Don't call release_defs.  Call release_ssa_name and
7107         reset the immediate use link nodes.
7108         (stmt_references_memory_p): Use ZERO_SSA_OPERANDS.
7109         * tree-ssanames.c (make_ssa_name): Use use_operand_p.
7110         * tree-tailcall.c (find_tail_calls): Use ZERO_SSA_OPERANDS.
7111         (eliminate_tail_call): Use generic operand interface.
7112         * tree-vect-analyze.c (vect_analyze_data_refs): Use ZERO_SSA_OPERANDS.
7113         (vect_mark_relevant, vect_mark_stmts_to_be_vectorized): Use generic
7114         interface.
7115         * tree-vect-transform.c (update_vuses_to_preheader): Use generic
7116         interface.
7117         * tree-vectorizer.c (rename_variables_in_bb): Use generic interface.
7118         * tree-vn.c (struct val_expr_pair_d): Cache statment pointer instead of
7119         vuse_optype.
7120         (vn_compute, val_expr_pair_hash, vn_add, vn_lookup, vn_lookup_or_add):
7121         Use statement pointer instead of vuse_optype.  Use generic interface.
7122         * tree-vrp.c (maybe_add_assert_expr): Use generic interface.
7123         (stmt_interesting_for_vrp, vrp_visit_stmt): Use ZERO_SSA_OPERANDS.
7124         * tree.h (struct ssa_imm_use_d): Renamed to ssa_use_operand_d.
7125         (tree_ssa_name, phi_arg_d): Use ssa_use_operand_d.
7126         * doc/tree-ssa.texi: Update documentation for operand interface.
7127
7128 2005-05-03  Nathan Sidwell  <nathan@codesourcery.com>
7129
7130         * config/darwin.c (machopic_define_symbol): Use gcc_assert or
7131         gcc_unreachable as appropriate.
7132         (machopic_function_base_name, machopic_indirect_data_reference,
7133         machopic_legitimize_pic_address, darwin_non_lazy_pcrel): Likewise.
7134         * config/host-darwin.c (darwin_gt_pch_use_address): Likewise
7135         * config/rs6000/altivec.md (*mov<mode>_internal,
7136         build_vector_mask_for_load): Likewise.
7137         * config/rs6000/darwin.md (movdf_low_si, movdf_low_di,
7138         *call_nonlocal_darwin64, *call_value_nonlocal_darwin64,
7139         *sibcall_symbolic_64, *sibcall_value_symbolic_64): Likewise.
7140         * config/rs6000/predicates.md (easy_fp_constant,
7141         logical_operand): Likewise.
7142         * config/rs6000/rs6000.c (spe_expand_predicate_builtin,
7143         compute_save_world_info, rs6000_emit_prologue,
7144         rs6000_output_mi_thunk): Reword comments to avoid 'abort'.
7145         * config/rs6000/host-darwin.c (segv_handler): Use fancy_abort
7146         directly.
7147
7148 2005-05-03  Uros Bizjak  <uros@kss-loka.si>
7149
7150         PR middle-end/21282
7151         * convert.c (convert_to_integer): Convert ceil and floor in
7152         c99 mode only.
7153
7154 2005-04-29  Geoffrey Keating  <geoffk@apple.com>
7155
7156         PR target/20813
7157         * config/rs6000/rs6000.md (floatsidf2_internal): Merge to create
7158         define_insn_and_split.  Split only when memory operand is
7159         offsettable.  Use adjust_address rather than plus_constant.
7160         (floatunssidf2_internal): Likewise.
7161         (fix_truncdfsi2_internal): Split only when memory operand is
7162         offsettable.  Use adjust_address rather than plus_constant.
7163         (fix_trunctfsi2_internal): Likewise.
7164         (floatsidf2_internal): Likewise.
7165
7166 2005-05-02  Diego Novillo  <dnovillo@redhat.com>
7167
7168         * tree-vrp.c (set_value_range_to_nonnull): Declare inline.
7169         (set_value_range_to_null): Likewise.
7170         (set_value_range_to_varying): New function.  Use it in all
7171         call sites that used to call set_value_range (vr, VR_VARYING, ...).
7172         (extract_range_from_assert): If the integral type has a
7173         super-type, and LIMIT is not within MIN and MAX values of that
7174         type, set the resulting range to VR_VARYING.
7175
7176 2005-05-02  Hans-Peter Nilsson  <hp@bitrange.com>
7177
7178         * config/mmix/mmix.opt: New file.
7179         * config/mmix/mmix.h: Move options-related comments to mmix.opt.
7180         (mmix_cc1_ignored_option): Don't declare.
7181         (TARGET_OPTIONS, TARGET_MASK_LIBFUNCS, TARGET_MASK_ABI_GNU)
7182         (TARGET_MASK_FCMP_EPSILON, TARGET_MASK_ZERO_EXTEND)
7183         (TARGET_MASK_KNUTH_DIVISION, TARGET_MASK_TOPLEVEL_SYMBOLS)
7184         (TARGET_MASK_BRANCH_PREDICT, TARGET_MASK_USE_RETURN_INSN)
7185         (TARGET_MASK_BASE_ADDRESSES, TARGET_LIBFUNC, TARGET_ABI_GNU,
7186         (TARGET_FCMP_EPSILON, TARGET_ZERO_EXTEND, TARGET_KNUTH_DIVISION)
7187         (TARGET_TOPLEVEL_SYMBOLS, TARGET_BRANCH_PREDICT)
7188         (TARGET_BASE_ADDRESSES, TARGET_USE_RETURN_INSN, TARGET_SWITCHES):
7189         Don't define.
7190         (TARGET_DEFAULT): Change TARGET_MASK_... to MASK_...
7191         * config/mmix/mmix.c (mmix_cc1_ignored_option): Remove.
7192         (TARGET_DEFAULT_TARGET_FLAGS): Override default.
7193
7194 2005-05-02  Joseph S. Myers  <joseph@codesourcery.com>
7195
7196         PR c/15698
7197         * c-tree.h (C_DECL_BUILTIN_PROTOTYPE): New.
7198         * c-decl.c (current_function_prototype_built_in,
7199         current_function_prototype_arg_types): New.
7200         (merge_decls): Keep source location of prototype followed by
7201         nonprototype declaration.  Update C_DECL_BUILTIN_PROTOTYPE.
7202         (builtin_function): Set C_DECL_BUILTIN_PROTOTYPE.
7203         (start_function): Always set current_function_prototype_locus,
7204         current_function_prototype_built_in and
7205         current_function_prototype_arg_types.  Check for external
7206         prototype whether or not visible for external function and set
7207         current_function_prototype_arg_types accordingly.
7208         (store_parm_decls_oldstyle): Use
7209         current_function_prototype_arg_types for checking old-style
7210         definition against prototype.  Give warnings only if
7211         current_function_prototype_built_in).
7212
7213 2005-05-02  Daniel Jacobowitz  <dan@codesourcery.com>
7214
7215         * ggc.h (ggc_alloc_zone_pass_stat): New macro.
7216         (ggc_alloc_zone_stat): Don't define.
7217         * ggc-zone.c (ggc_alloc_typed_stat, ggc_alloc_stat): Use
7218         ggc_alloc_zone_pass_stat.
7219         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Likewise.
7220         * tree.c (make_node_stat, copy_node_stat, make_tree_binfo_stat)
7221         (make_tree_vec_stat, tree_cons_stat, build1_stat): Likewise.
7222
7223 2005-05-02  Daniel Jacobowitz  <dan@codesourcery.com>
7224
7225         * calls.c (expand_call): Handle current_function_pretend_args_size
7226         when checking for sibcalls.
7227
7228 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
7229
7230         PR tree-optimization/21294
7231         * tree-vrp.c (vrp_expr_computes_nonzero): New.
7232         (extract_range_from_expr): Call vrp_expr_computes_nonzero.
7233
7234 2005-05-02  Janis Johnson  <janis187@us.ibm.com>
7235
7236         PR 19985
7237         * gcov-io.h: Declare gcov external functions hidden.
7238
7239 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
7240
7241         * tree-ssa-uncprop.c (equiv_hash_elt, remove_equivalence,
7242         record_equiv, tree_ssa_uncprop, uncprop_into_successor_phis):
7243         Use VEC instead of VARRAY.
7244         (equiv_free): New.
7245
7246         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Factor
7247         out common code.
7248
7249 2005-05-02  Paolo Bonzini  <bonzini@gnu.org>
7250
7251         * c-common.c (resolve_overloaded_builtin): Forward to target
7252         hook for BUILT_IN_MD built-ins.
7253         * c-typeck.c (finish_call_expr): Call resolve_overloaded_builtin
7254         for all types of built-in.
7255         * target-def.h (TARGET_RESOLVE_OVERLOADED_BUILTIN): New.  Use it
7256         in the definition of the target hooks struct.
7257         * target.h (struct gcc_target): Add resolve_overloaded_builtin.
7258         * config/rs6000/altivec.h: Rewritten.
7259         * config/rs6000/rs6000-c.c (struct altivec_builtin_types,
7260         altivec_resolve_overloaded_builtin, altivec_build_resolved_builtin,
7261         rs6000_builtin_type, rs6000_builtin_type_compatible,
7262         altivec_overloaded_builtins, rs6000_builtin_type,
7263         rs6000_builtin_type_compatible): New.
7264         * config/rs6000/rs6000.c (rs6000_builtin_types, rs6000_builtin_decls):
7265         New.
7266         (def_builtin): Turn into a function.  Check for duplicates and store
7267         the builtin into rs6000_builtin_decls.
7268         (bdesc_3arg, bdesc_dst, bdesc_altivec_preds, bdesc_2arg,
7269         bdesc_1arg): Add overloaded builtins.
7270         (altivec_expand_builtin): Check for unresolved overloaded builtins,
7271         do not support ALTIVEC_COMPILETIME_ERROR.
7272         (rs6000_init_builtins): Add opaque 128-bit vector, and internal
7273         nodes to represent front-end types.
7274         (altivec_init_builtins, rs6000_common_init_builtins): Create builtins
7275         with opaque arguments and/or return values.
7276         * config/rs6000/rs6000.h (enum rs6000_builtins): Remove
7277         ALTIVEC_COMPILETIME_ERROR and add Altivec overloaded builtins.
7278         (rs6000_builtin_type_index): New.
7279         (is_ev64_opaque_type): Rename to...
7280         (rs6000_is_opaque_type): ... this.
7281         (rs6000_cpu_cpp_builtins): Install the resolve_overloaded_builtin
7282         target hook.
7283
7284 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
7285
7286         * function.c (reorder_blocks, reorder_blocks_1): Use VEC
7287         instead of VARRAY.
7288
7289 2005-05-02  Nathan Sidwell  <nathan@codesourcery.com>
7290             Bernd Schmidt  <bernd.schmidt@analog.com>
7291
7292         * config/bfin/bfin.c (emit_link_insn, effective_address_32bit_p,
7293         print_address_operand, print_operand, legitimize_pic_address,
7294         asm_conditional_branch, bfin_gen_compare, output_push_multiple,
7295         output_pop_multiple): Use gcc_assert or gcc_unreachable as
7296         appropriate.
7297         * config/bfin/bfin.md (movsf splitter, beq, bne): Likewise.
7298
7299 2005-05-02  Dorit Naishlos  <dorit@il.ibm.com>
7300
7301         * doc/passes.texi: Document vectorization pass.
7302
7303 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
7304
7305         * tree-scalar-evolution.c (get_exit_conditions_rec,
7306         select_loops_exit_conditions,
7307         number_of_iterations_for_all_loops,
7308         analyze_scalar_evolution_for_all_loop_phi_nodes,
7309         scev_analysis): Use VEC instead of VARRAY.
7310
7311 2005-05-02  Michael Matz  <matz@suse.de>
7312
7313         PR c++/19542
7314         * c-common.c (c_common_nodes_and_builtins): Create global null_node.
7315         (warn_strict_null_sentinel): Define.
7316         (check_function_sentinel): Check for null_node as valid sentinel too.
7317         * c-common.h (c_tree_index): Added CTI_NULL.
7318         (null_node) Define global_tree[CTI_NULL].
7319         (warn_strict_null_sentinel): Declare.
7320         * c-opts.c: (c_common_handle_option): Handle -Wstrict-null-sentinel.
7321         * c.opt: (Wstrict-null-sentinel): New C++ option.
7322         * doc/invoke.texi (C++ Options): Document -Wstrict-null-sentinel.
7323
7324 2005-05-01  Kazu Hirata  <kazu@cs.umass.edu>
7325
7326         * gimplify.c (gimplify_compound_lval): Use VEC instead of
7327         VARRAY.
7328
7329         * global.c (calculate_reg_pav): Use VEC instead of VARRAY.
7330
7331         * dwarf2out.c (decl_scope_table, push_decl_scope,
7332         pop_decl_scope, scope_die_for, dwarf2out_init): Use VEC
7333         instead of VARRAY.
7334
7335 2005-05-01  Mark Mitchell  <mark@codesourcery.com>
7336
7337         PR C++/14391
7338         * c-cppbuiltin.c (c_cpp_builtins): Do not define __GXX_WEAK__ to 1
7339         if !flag_weak.
7340         * doc/cpp.texi (__DEPRECATED): Document.
7341         (__EXCEPTIONS): Likewise.
7342         (__GXX_WEAK__): Likewise.
7343
7344         * function.c (INVOKE__main): Do not define.
7345         (expand_main_function): Check HAS_INIT_SECTION when determining
7346         whether or not to call __main.
7347
7348 2005-05-01  Kazu Hirata  <kazu@cs.umass.edu>
7349
7350         * tree-ssa-loop-ivopts.c: Fix a comment typo.
7351
7352 2005-01-05  Paul Brook  <paul@codesourcery.com>
7353
7354         * config/arm/arm.h (ARM_EMIT_TRAMPOLINE_CACHE_CLEAR): Define.
7355         (INITIALIZE_TRAMPOLINE): Use it.
7356         * config/arm/linux-gas.h (INITIALIZE_TRAMPOLINE): Remove.
7357         * config/arm/netbsd.h (INITIALIZE_TRAMPOLINE): Remove.
7358         * config/arm/netbsd-elf.h (INITIALIZE_TRAMPOLINE): Remove.
7359
7360 2005-05-01  Gerald Pfeifer  <gerald@pfeifer.com>
7361
7362         * doc/install.texi (Specific): Omit dots in the @anchors names
7363         for i?86-*-sco3.2v5*, i?86-*-solaris2.10, and sparc-sun-solaris2.7.
7364         Omit underscores for x86_64-*-* and the "all ELF targets" entry.
7365
7366 2005-05-01  Zdenek Dvorak  <dvorakz@suse.cz>
7367
7368         PR tree-optimization/18316
7369         PR tree-optimization/19126
7370         * tree.c (build_int_cst_type): Avoid shift by size of type.
7371         * tree-scalar-evolution.c (simple_iv): Add allow_nonconstant_step
7372         argument.
7373         * tree-scalar-evolution.h (simple_iv): Declaration changed.
7374         * tree-ssa-loop-ivopts.c (struct iv_cand): Add depends_on
7375         field.
7376         (dump_cand): Dump depends_on information.
7377         (determine_biv_step): Add argument to simple_iv call.
7378         (contains_abnormal_ssa_name_p): Handle case expr == NULL.
7379         (find_bivs, find_givs_in_stmt_scev): Do not require step to be a
7380         constant.
7381         (add_candidate_1): Record depends_on for candidates.
7382         (tree_int_cst_sign_bit, constant_multiple_of): New functions.
7383         (get_computation_at, get_computation_cost_at, may_eliminate_iv):
7384         Handle ivs with nonconstant step.
7385         (iv_ca_set_remove_invariants, iv_ca_set_add_invariants): New functions.
7386         (iv_ca_set_no_cp, iv_ca_set_cp): Handle cand->depends_on.
7387         (create_new_iv): Unshare the step before passing it to create_iv.
7388         (free_loop_data): Free cand->depends_on.
7389         (build_addr_strip_iref): New function.
7390         (find_interesting_uses_address): Use build_addr_strip_iref.
7391         (strip_offset_1): Split the recursive part from strip_offset.
7392         Strip constant offset component_refs and array_refs.
7393         (strip_offset): Split the recursive part to strip_offset_1.
7394         (add_address_candidates): Removed.
7395         (add_derived_ivs_candidates): Do not use add_address_candidates.
7396         (add_iv_value_candidates): Add candidates with stripped constant
7397         offset.  Consider all candidates with initial value 0 important.
7398         (struct affine_tree_combination): New.
7399         (aff_combination_const, aff_combination_elt, aff_combination_scale,
7400         aff_combination_add_elt, aff_combination_add,
7401         tree_to_aff_combination, add_elt_to_tree, aff_combination_to_tree,
7402         fold_affine_sum): New functions.
7403         (get_computation_at): Use fold_affine_sum.
7404         * tree-ssa-loop-manip.c (create_iv): Handle ivs with nonconstant step.
7405         * tree-ssa-loop-niter.c (number_of_iterations_exit): Add argument
7406         to simple_iv call.
7407
7408 2005-04-30  Michael Matz  <matz@suse.de>
7409
7410         * config/i386/i386.md (movmemsi): Also active when
7411         TARGET_INLINE_ALL_STRINGOPS.
7412
7413 2005-04-30  Eric Botcazou  <ebotcazou@libertysurf.fr>
7414
7415         PR bootstrap/20633
7416         * config/freebsd-spec.h (FBSD_CPP_SPEC): Add %(cpp_arch).
7417
7418 2005-04-30  Paul Brook  <paul@codesourcery.com>
7419
7420         * config/arm/bpabi.h (RENAME_LIBRARY_SET): Always use .thumb_set in
7421         thumb mode.
7422         * config/arm/ieee754-df.S: Use __INTERWORKING_STUBS__.
7423         * config/arm/ieee754-sf.S: Ditto.
7424         * config/arm/lib1funcs.asm: Define and use __INTERWORKING_STUBS__.
7425         (FUNC_ALIAS): Use .thumb_set for thumb routines.
7426
7427 2005-04-30  Kazu Hirata  <kazu@cs.umass.edu>
7428
7429         * tree-ssanames.c: Fix a comment typo.
7430         * doc/options.texi: Fix a typo.
7431
7432 2005-04-30  Nathan Sidwell  <nathan@codesourcery.com>
7433
7434         * config/h8300/h8300.c (byte_reg): Use gcc_assert and
7435         gcc_unreachable as appropriate.
7436         (split_adds_subs, cond_string, print_operand,
7437         h8300_initial_elimination_offset, h8300_classify_operand,
7438         h8300_unary_length, h8300_short_immediate_length,
7439         h8300_bitfield_length, h8300_binary_length,
7440         h8300_insn_length_from_table, compute_mov_length, output_plussi,
7441         compute_plussi_length, compute_plussi_cc, output_logical_op,
7442         compute_logical_op_length, compute_logical_op_cc,
7443         output_h8sx_shift, get_shift_alg, h8300_shift_needs_scratch_p,
7444         output_a_shift, compute_a_shift_length, compute_a_shift_cc,
7445         output_a_rotate, compute_a_rotate_length, fix_bit_operand,
7446         h8300_regs_ok_for_stm): Likewise.
7447         * config/h8300/h8300.md (*movsi_h8300, *movsf_h8300,
7448         monitor_prologue): Likewise.
7449
7450 2005-04-30  Kazu Hirata  <kazu@cs.umass.edu>
7451
7452         * loop-invariant.c (invariants, create_new_invariant,
7453         get_inv_cost, best_gain_for_invariant,
7454         find_invariants_to_move, move_invariants,
7455         init_inv_motion_data, free_inv_motion_data): Use VEC instead
7456         of VARRAY.
7457
7458 2005-04-29  Richard Henderson  <rth@redhat.com>
7459
7460         * function.c (instantiate_decls): Remove valid_only argument.
7461         (instantiate_decls_1, instantiate_decl): Likewise.
7462         (instantiate_virtual_regs_1): Delete.
7463         (instantiate_virtual_regs_lossage): Delete.
7464         (instantiate_virtual_regs_in_rtx): New.
7465         (safe_insn_predicate): New.
7466         (instantiate_virtual_regs_in_insn): New.
7467         (instantiate_virtual_regs): Update to match all that.  Only run
7468         instantiate_decls once.
7469
7470 2005-04-29  Richard Henderson  <rth@redhat.com>
7471             Daniel Jacobowitz  <dan@codesourcery.com>
7472
7473         * gengtype.c (write_func_for_structure): Split out ...
7474         (output_type_enum): ... new function.  Fix thinko accessing
7475         TYPE_PARAM_STRUCT data.
7476
7477 2005-04-29  Tom Tromey  <tromey@redhat.com>
7478
7479         * tree.c (build_block): Removed unused 'tags' argument.
7480         * tree.h (build_block): Removed argument.
7481
7482 2005-04-29  Michael Matz  <matz@suse.de>
7483
7484         PR rtl-optimization/21144
7485         * postreload.c (reload_cse_move2add): Check for VOIDmode.
7486
7487 2005-04-29  Bob Wilson  <bob.wilson@acm.org>
7488
7489         * config/xtensa/xtensa.h (OPTIMIZATION_OPTIONS): Define to disable
7490         flag_reorder_blocks.
7491
7492 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
7493
7494         PR tree-optimization/21030
7495         * tree-vrp.c (adjust_range_with_scev): Do not create invalid
7496         ranges where VR->MAX is smaller than VR->MIN.
7497
7498 2005-04-29  Devang Patel  <dpatel@apple.com>
7499
7500         PR tree-optimization/21272
7501         PR tree-optimization/21266
7502         * tree-if-conv.c (find_phi_replacement_condition): Fix think-o.
7503
7504 2005-04-29  Kazu Hirata  <kazu@cs.umass.edu>
7505
7506         * tree-flow-inline.h: Fix a comment typo.
7507         * doc/tree-ssa.texi: Fix a typo.
7508
7509         * tree-flow-inline.h, tree-ssa-operands.c: Fix comment typos.
7510
7511 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
7512
7513         * config/fr30/fr30.c (fr30_expand_prologue): Use gcc_assert and
7514         gcc_unreachable as appropriate.
7515         (fr30_expand_epilogue, fr30_setup_incoming_varargs,
7516         fr30_print_operand, fr30_move_double): Likewise.
7517         * config/fr30/fr30.md (*movsi_internal, *movsf_internal): Likewise.
7518
7519 2005-04-29  Mark Mitchell  <mark@codesourcery.com>
7520
7521         * config/arm/arm.h (ARM_EABI_CTORS_SECTION_OP): Do not define if a
7522         definition has already been provided.
7523         (ARM_EABI_DTORS_SECTION_OP): Likewise.
7524         * config/arm/symbian.h (ARM_EABI_CTORS_SECTION_OP): Define.
7525         (ARM_EABI_DTORS_SECTION_OP): Likewise.
7526
7527 2005-04-29  Jim Tison  <jtison@us.ibm.com>
7528
7529         * config/s390/s390.md ("prologue_tpf", "epilogue_tpf"): Alter
7530         trace hooks calls to improve performance.
7531
7532 2005-04-29  Julian Brown  <julian@codesourcery.com>
7533             Mark Mitchell  <mark@codesourcery.com>
7534             Paul Brook  <paul@codesourcery.com>
7535
7536         * crtstuff.c: Handle targets that use .init_array.
7537         * function.c (HAS_INIT_SECTION): Do not define. Instead, make sure
7538         that INVOKE__main is set correctly.
7539         (expand_main_function): Test INVOKE__main.
7540         * libgcc2.c: Do not define __main when using .init_array.
7541         * config/arm/arm.c (arm_elf_asm_constructor): New function.
7542         * config/arm/arm.h (CTORS_SECTION_ASM_OP): Define, with specialized
7543         libgcc version.
7544         (DTORS_SECTION_ASM_OP): Likewise.
7545         (CTOR_LIST_BEGIN): Define specially when in libgcc.
7546         (CTOR_LIST_END): Likewise.
7547         (DTOR_LIST_BEGIN): Likewise.
7548         (DTOR_LIST_END): Likewise.
7549         * config/arm/bpapi.h (INIT_SECTION_ASM_OP): Do not define it.
7550         (FINI_SECTION_ASM_OP): Likewise.
7551         (INIT_ARRAY_SECTION_ASM_OP): Define.
7552         (FINI_ARRAY_SECTION_ASM_OP): Likewise.
7553         * config/arm/elf.h (TARGET_ASM_CONSTRUCTOR): Define.
7554         (SUPPORTS_INIT_PRIORITY): Evaluate to false for EABI based targets.
7555         * doc/tm.texi (INIT_ARRAY_SECTION_ASM_OP): Document.
7556         (FINI_ARRAY_SECTION_ASM_OP): Likewise.
7557
7558 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
7559
7560         * config/m68k/m68k.c (m68k_initial_elimination_offset): Use
7561         gcc_assert and gcc_unreachable as appropriate.
7562         (output_dbcc_and_branch, output_scc_di, legitimize_pic_address,
7563         const_int_cost, output_move_const_into_data_reg,
7564         output_move_qimode, output_move_double, find_addr_reg,
7565         print_operand, print_operand_address): Likewise.
7566         * config/m68k/m68k.md (adddi3, subdi3, negsf2, negdf2, abssf2,
7567         absdf2, sordered, sunordered, suneq, sunge, sungt, sunle, sunlt,
7568         sltgt, bordered, bunordered, buneq, bunge, bungt, bunle, bunlt,
7569         bltgt, *bordered_rev, *bunordered_rev, *buneq_rev, *bunge_rev,
7570         *bunle_rev, *bunlt_rev, *bltgt_rev, negxf2, absxf2,
7571         conditional_trap): Likewise.
7572         * config/m68k/m68kelf.h (ASM_OUTPUT_ALIGN): Remove unreachable code.
7573
7574 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
7575
7576         * config/xtensa/xtensa.c (gen_int_relational): Use gcc_assert and
7577         gcc_unreachable as appropriate.
7578         (gen_conditional_move, xtensa_split_operand_pair,
7579         xtensa_split_operand_pair, xtensa_copy_incoming_a7,
7580         xtensa_copy_incoming_a7, xtensa_copy_incoming_a7,
7581         xtensa_copy_incoming_a7, xtensa_output_literal,
7582         xtensa_output_literal, xtensa_output_literal): Likewise.
7583         * config/xtensa/xtensa.h (INITIAL_ELIMINATION_OFFSET): Likewise.
7584         * config/xtensa/xtensa.md (*btrue, *bfalse, *ubtrue, *ubfalse,
7585         *bittrue, *bitfalse, *masktrue, *maskfalse, movsicc_internal0,
7586         movsicc_internal1, movsfcc_internal0,
7587         movsfcc_internal1): Likewise.
7588
7589 2005-04-28  James E Wilson  <wilson@specifixinc.com>
7590
7591         * config/i386/i386.h (HI_REGISTER_NAMES): Fix typos in comment.
7592         (ADDITIONAL_REGISTER_NAMES): Delete obsolete mmx register entries.
7593
7594 2005-04-28  DJ Delorie  <dj@redhat.com>
7595
7596         * opt-functions.awk (var_set): Emit proper initializer for
7597         non-target bitfields.
7598
7599 2005-04-28  Devang Patel  <dpatel@apple.com>
7600
7601         * dbxout.c (have_used_extensions): Remove.
7602         (dbxout_type_fileds, dbxout_type, dbxout_symbol): Remove use of
7603         have_used_extensions.
7604
7605 2005-04-28  James E Wilson  <wilson@specifixinc.com>
7606
7607         * doc/install.texi: Update -enable-languages info.  Correct path to
7608         html docs.
7609
7610 2005-04-28  DJ Delorie  <dj@redhat.com>
7611
7612         * optc-gen.awk (END): Make sure no variable is defined more
7613         than once.
7614         * opth-gen.awk (END): Allocate bits on a per-variable basis.
7615         Allow for bitfield variables other than target_flags.
7616         * doc/options.text (Mask): Document that you may specify a
7617         variable other than target_flags.
7618
7619 2005-04-28  Martin Koegler <mkoegler@auto.tuwien.ac.at>
7620
7621         PR rtl-optimization/18877
7622         * reload.c (decompose) <case REG, case SUBREG>: Handle pseudo reg
7623         number in val.start.
7624
7625 2005-04-28  David Edelsohn  <edelsohn@gnu.org>
7626
7627         PR target/20813
7628         * config/rs6000/aix43.h (SUBSUBTARGET_SWITCHES, aix64): Add
7629         MASK_PPC_GFXOPT.
7630         * config/rs6000/aix51.h (SUBSUBTARGET_SWITCHES, aix64): Same.
7631         * config/rs6000/aix52.h (SUBSUBTARGET_SWITCHES, aix64): Same.
7632         * config/rs6000/sysv4.h (SUBTARGET_SWITCHES, 64): Same.
7633
7634 2005-04-28  Richard Earnshaw  <richard.earnshaw@arm.com>
7635
7636         * arm.c (legitimize_pic_address): Fix sense of assertion test for
7637         creating pseudos when the base offset is too large.
7638
7639 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
7640
7641         * global.c (earlyclobber_regclass): Change the type to
7642         VEC(int,heap).
7643         (check_earlyclobber): Update uses of earlyclobber_regclass.
7644         (mark_reg_use_for_earlyclobber): Likewise.
7645         (calculate_local_reg_bb_info): Allocate and free
7646         earlyclobber_regclass using the VEC API.
7647
7648 2005-04-28  Nathan Sidwell  <nathan@codesourcery.com>
7649
7650         * tree-ssa-alias.c (push_fields_onto_fieldstack): Remove bogus
7651         assert.
7652
7653 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
7654
7655         * modulo-sched.c, tree-stdarg.c: Use targetm.foo instead of
7656         (*targetm.foo).
7657
7658         * config.gcc: Obsolete c4x-* and tic4x-*.
7659
7660         * tree.h (edge_def): Remove.
7661
7662         * bt-load.c, cfgexpand.c, dwarf2out.c, emit-rtl.c, expr.c,
7663         function.c, global.c, lcm.c, loop-invariant.c, optabs.c,
7664         reorg.c, resource.c, tree-ssa-loop-ivopts.c, value-prof.c: Use
7665         JUMP_P, LABEL_P, REG_P, MEM_P, NONJUMP_INSN_P, and INSN_P
7666         where appropriate.
7667
7668         * attribs.c, c-pragma.c, caller-save.c, cfghooks.h,
7669         coverage.c, cselib.h, domwalk.c, domwalk.h, errors.c,
7670         errors.h, gcov-dump.c, gcov-io.c, gcov-io.h, gen-protos.c,
7671         genattrtab.h, genextract.c, gthr-win32.h, insn-notes.def,
7672         integrate.c, lambda-mat.c, lambda.h, libgcov.c, local-alloc.c,
7673         machmode.def, mips-tfile.c, params.c, pretty-print.c,
7674         print-rtl.c, protoize.c, regmove.c, sched-vis.c, tree-chrec.h,
7675         tree-data-ref.h, vec.h, config/darwin-c.c, config/sol2-c.c,
7676         config/sol2.c, config/arm/arm-cores.def, config/arm/cirrus.md,
7677         config/arm/symbian.h, config/c4x/c4x.c, config/c4x/c4x.h,
7678         config/i386/cygming.h, config/i386/djgpp.h,
7679         config/i386/lynx.h, config/i386/netware.c,
7680         config/i386/winnt.c, config/ia64/ia64-c.c,
7681         config/iq2000/iq2000.c, config/m32r/little.h,
7682         config/m68k/m68k-protos.h, config/m68k/m68k.h,
7683         config/m68k/m68k.md, config/mcore/mcore.c,
7684         config/mcore/mcore.h, config/mmix/mmix.c, config/mmix/mmix.md,
7685         config/mn10300/mn10300-protos.h, config/mn10300/mn10300.c,
7686         config/mn10300/mn10300.h, config/ns32k/netbsd.h,
7687         config/ns32k/ns32k.c, config/ns32k/ns32k.h,
7688         config/pa/pa-hpux11.h, config/pdp11/pdp11.c,
7689         config/pdp11/pdp11.h, config/rs6000/darwin.h,
7690         config/rs6000/default64.h, config/rs6000/rs6000-c.c,
7691         config/s390/2064.md, config/s390/2084.md,
7692         config/s390/s390-modes.def, config/s390/s390-protos.h,
7693         config/s390/tpf.h, config/sh/sh.h, config/sh/symbian.c,
7694         config/stormy16/stormy16.c, config/vax/vax-protos.h,
7695         config/vax/vax.c, config/vax/vax.h,
7696         config/xtensa/lib1funcs.asm, config/xtensa/xtensa.md: Update
7697         copyright.
7698
7699 2005-04-28  Joseph S. Myers  <joseph@codesourcery.com>
7700
7701         * c-typeck.c (build_compound_expr): Correct logic in last change.
7702
7703 2005-04-27  James E. Wilson  <wilson@specifixinc.com>
7704
7705         * config/ia64/ia64.c (update_set_flags): Delete ppred and pcond
7706         parameters.  Replace conditional move code with assert checking for
7707         ar.lc.  Delete obsolete comments.
7708         (set_src_needs_barrier): Delete cond parameter, and code using it.
7709         (rtx_needs_barrier): Delete initialization of cond.  Fix typo in
7710         assert checking for PR_REGS.  Fix calls to update_set_flags and
7711         set_src_needs_barrier.
7712         (group_barrier_needed): Renamed from group_barrier_needed_p.  Fix all
7713         callers.  Rewrite explanatory comment before the function.
7714         (safe_group_barrier_needed): Renamed from safe_group_barrier_needed_p.
7715         Fix all callers.
7716
7717 2005-04-27  Mike Stump  <mrs@apple.com>
7718
7719         * doc/cpp.texi: gcc now implements universal character names.
7720
7721 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
7722
7723         PR c/21159
7724         * c-typeck.c (build_compound_expr): Don't warn for left-hand side
7725         being a compound expression whose right-hand side is cast to void.
7726
7727 2005-04-27  Caroline Tice  <ctice@apple.com>
7728
7729         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
7730         Remove targetm.have_named_sections test.
7731         (fix_edges_for_rarely_executed_code): Likewise.
7732         (insert_section_boundary_note): Likewise.
7733         (reorder_basic_blocks): Check partitioning flag before calling
7734         verify_hot_cold_block_grouping.
7735         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
7736         the function struct rather than global variables.
7737         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
7738         (COLD_END_LABEL): Likewise
7739         (cold_text_section_label): New static global variable.
7740         (cold_end_label): Likewise.
7741         (dwarf2out_switch_text_section): Get hot/cold section labels from
7742         the function struct rather than global variables; test to make sure
7743         cfun is defined.
7744         (output_aranges): Use cold_text_section_label and cold_end_label;
7745         check partitioning flag before putting out delta.
7746         (output_ranges): Remove incorrect code attempting to use
7747         hot/cold labels.
7748         (output_line_info): Get cold section label from function struct; test
7749         to make sure cfun is defined.
7750         (add_location_or_const_value_attribute): Likewise.
7751         (dwarf2out_var_location): Likewise.
7752         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
7753         write out cold_text_section_label if partition flag is set.
7754         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
7755         * function.h (struct function): Add new fields to point to hot/cold
7756         section labels: hot_section_label, cold_section_label,
7757         hot_section_end_label and cold_section_end_label; also add new field
7758         for cold text section name, unlikely_text_section_name.
7759         * opts.c (decode_options): Turn off partitioning flag if
7760         !targetm.have_named_sections.
7761         * output.h (hot_section_label): Remove.
7762         (hot_section_end_label): Remove.
7763         (cold_section_end_label): Remove.
7764         (unlikely_section_label): Remove.
7765         (unlikely_text_section_name): Remove.
7766         * passes.c (rest_of_handle_final):  Remove extra blank line.
7767         * varasm.c (unlikely_section_label): Remove.
7768         (hot_section_label): Remove.
7769         (hot_section_end_label): Remove.
7770         (cold_section_end_label): Remove.
7771         (unlikely_text_section_name):  Remove.
7772         (initialize_cold_section_name): Modify to call
7773         targetm.strip_name_encoding; to store cold section name in current
7774         function struct, if it exists; and to only use the decl_section_name
7775         if flag_named_sections is true.
7776         (unlikely_text_section): Modify to get section name out of current
7777         function struct, if there is one; otherwise build it from
7778         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
7779         (in_unlikely_text_section): Likewise.
7780         (named_section): Modify to get/put cold section name in current function
7781         struct, if there is one.
7782         (function_section):  Change 'bool unlikely' to 'int reloc'; check
7783         targetm.have_named_sections before calling named_section.
7784         (current_function_section): Likewise.
7785         (assemble_start_function): Modify to get/put unlikely_text_section_name
7786         in current function struct; modify to get hot/cold section labels
7787         from function struct; initialize labels using
7788         ASM_GENERATE_INTERNAL_LABEL;
7789         test partitioning flag before writing out hot section label.
7790         (assemble_end_function): Test partitioning flag before writing out
7791         hot/cold section labels.
7792         (default_section_type_flags_1):  Get cold text section name from
7793         function struct if there is one; Set flags correctly for
7794         cold text section if there is not a current function struct.
7795
7796 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
7797
7798         * tree-ssa-propagate.c (set_rhs): Revert last change.
7799
7800 2005-04-27  Steve Ellcey  <sje@cup.hp.com>
7801
7802         * explow.c (convert_memory_address): Add gcc_assert.
7803
7804 2005-04-27  Mark Mitchell  <mark@codesourcery.com>
7805
7806         * configure.ac: Check for ld --sysroot support.
7807         * gcc.c: Document %R specifier for specs.
7808         (SYSROOT_SPEC): New macro.
7809         (sysroot_spec): New variable.
7810         (static_specs): Add sysroot_spec.
7811         (main): Pass the sysroot spec to the linker if appropriate.
7812         * configure: Regenerated.
7813         * config.in: Likewise.
7814
7815 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
7816
7817         * fold-const.c (fold_binary): Use build_fold_addr_expr
7818         for address calculation and INDIRECT_REF handling.
7819
7820 2005-04-27  Andrew Haley  <aph@redhat.com>
7821
7822         * postreload-gcse.c (hash_scan_set): Remove bogus assertion.
7823
7824 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
7825
7826         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Reserve arm frame
7827         pointer when thumb backtracing is on.
7828
7829         * config/fp-bit.c (abort): Revert change.
7830
7831 2005-04-27  Ian Lance Taylor  <ian@airs.com>
7832
7833         * c-semantics.c (add_stmt): Don't test STATEMENT_CODE_P.
7834
7835 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
7836
7837         * tree-ssa-dce.c: Fix a comment typo.
7838
7839 2005-04-27  David S. Miller  <davem@davemloft.net>
7840
7841         * explow.c (allocate_dynamic_stack_space SETJMP_VIA_SAVE_AREA):
7842         Kill setjmpless_size.  current_function_calls_setjmp is completely
7843         computed when we are called, so just use the optimized size value
7844         instead of using REG_SAVE_AREA notes.
7845         (optimize_save_area_alloca): Delete....
7846         * rtl.h (optimize_save_area_alloca): Likewise...
7847         * passes.c (rest_of_compilation): and don't call it any more.
7848         * reg-notes.def (SAVE_AREA): Delete.
7849
7850 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
7851
7852         * config/fp-bit.c (abort): Add noreturn attribute.
7853
7854         * config/avr/avr.c (avr_naked_function_p): Use gcc_assert and
7855         gcc_unreachable as appropriate.
7856         (ptrreg_to_str, cond_string, avr_normalize_condition): Likewise.
7857         * config/avr/avr.h (ASM_OUTPUT_REG_PUSH,
7858         ASM_OUTPUT_REG_POP): Likewise.
7859
7860 2005-04-27  Paolo Bonzini  <bonzini@gnu.org>
7861
7862         * tree-complex.c (expand_vector_operations_1): Do not build
7863         VIEW_CONVERT_EXPR's for the lhs.
7864
7865 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
7866
7867         * config/pa/pa.h (PRINT_OPERAND_ADDRESS): Use gcc_assert, remove
7868         unnecessary noncanonical RTL handling.
7869         * config/pa/pa64-linux.h (INITIAL_ELIMINATION_OFFSET): Use
7870         gcc_assert and gcc_unreachable.
7871
7872         * config/arm/arm.h (ARM_PRINT_OPERAND_ADDRESS): Use gcc_assert and
7873         gcc_unreachable as appropriate.
7874         (THUMB_PRINT_OPERAND_ADDRESS): Likewise.
7875         * config/arm/arm.c (arm_override_options, arm_compute_func_type,
7876         use_return_insn, const_ok_for_op, arm_gen_constant,
7877         arm_canonicalize_comparison, legitimize_pic_address,
7878         thumb_find_work_register, arm_load_pic_register, arm_rtx_costs_1,
7879         arm_cirrus_insn_p, cirrus_reorg, minmax_code,
7880         load_multiple_sequence, emit_ldm_seq, store_multiple_sequence,
7881         emit_stm_seq, arm_gen_movmemqi, arm_select_dominance_cc_mode,
7882         arm_select_cc_mode, arm_reload_in_hi, arm_reload_out_hi,
7883         move_minipool_fix_forward_ref, move_minipool_fix_backward_ref,
7884         dump_minipool, create_fix_barrier, push_minipool_fix, arm_reorg,
7885         fp_immediate_constant, fp_const_from_val, vfp_output_fstmx,
7886         output_call, output_mov_long_double_fpa_from_arm,
7887         output_mov_long_double_arm_from_fpa,
7888         output_mov_double_fpa_from_arm, output_mov_double_arm_from_fpa,
7889         output_move_double, arithmetic_instr, shift_op, int_log2,
7890         output_return_instruction, arm_output_function_prologue,
7891         arm_output_epilogue, arm_output_function_epilogue,
7892         emit_multi_reg_push, arm_get_frame_offsets,
7893         arm_compute_initial_elimination_offset, arm_expand_prologue,
7894         arm_print_operand, arm_assemble_integer, get_arm_condition_code,
7895         arm_final_prescan_insn, arm_init_iwmmxt_builtins,
7896         arm_expand_binop_builtin, thumb_pushpop, thumb_far_jump_used_p,
7897         thumb_compute_initial_elimination_offset,
7898         thumb_output_function_prologue, thumb_load_double_from_address,
7899         thumb_output_move_mem_multiple, thumb_reload_out_hi,
7900         arm_emit_vector_const, arm_dbx_register_number): Likewise.
7901         * config/arm/pe.c (arm_mark_dllexport, arm_mark_dllimport): Likewise.
7902         * config/arm/arm.md (thumb_extendhisi2,
7903         *thumb_extendhisi2_insn_v6, *thumb_extendqisi2,
7904         *thumb_extendqisi2_v6, movhi, *thumb_movhi_insn,
7905         thumb_movhi_clobber, movqi, *arm_buneq, *arm_bltgt,
7906         *arm_buneq_reversed, *arm_bltgt_reversed, suneq, sltgt): Likewise.
7907         * config/arm/cirrus.md (*cirrus_arm_movdi,
7908         *cirrus_movdf_hard_insn): Likewise.
7909         * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
7910
7911 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
7912
7913         * tree-flow.h (ssa_names): Change the type to VEC(tree,gc).
7914         (num_ssa_names): Use VEC_length.
7915         (ssa_names): Use VEC_index.
7916         * tree-ssanames.c (ssa_names): Change the type to
7917         VEC(tree,gc).
7918         (init_ssanames, fini_ssa_names, make_ssanames,
7919         release_ssa_name): Update uses of ssa_names.
7920
7921         * dojump.c, emit-rtl.c, expmed.c, expr.c, stmt.c, stor-layout.c:
7922         Use fold_buildN instead of fold (buildN (...)).
7923
7924 2005-04-27  Devang Patel <dpatel@apple.com>
7925
7926         * dbxout.c (dbxout_type): Check use_gnu_debug_info_extensions.
7927
7928 2005-04-27  Matt Thomas <matt@3am-software.com>
7929             Jan-Benedict Glaw <jbglaw@microdata-pos.de>
7930
7931         * config/vax/vax.c (vax_rtx_costs): Whitespace cleanup.
7932         (vax_output_mi_thunk): Ditto.
7933         (vax_notice_cc_update): Ditto.
7934         (INDEX_REGISTER_P): Add trailing \.
7935         (BASE_REGISTER_P): Add trailing \.
7936         (legitimate_address_p): Whitespace cleanup.  Remove trailing \.
7937
7938 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
7939
7940         * tree-ssa-propagate.c (set_rhs): Check operand of
7941         ADDR_EXPR for gimpliness, too.
7942
7943 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
7944
7945         * tree-ssa-pre.c: Fix a comment typo.
7946
7947 2005-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
7948
7949         PR tree-optimization/21171
7950         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not
7951         record address uses if the reference is volatile.
7952
7953 2004-04-27  Paolo Bonzini  <bonzini@gnu.org>
7954
7955         * tree-complex.c (expand_vector_operation): New, extracted from
7956         expand_vector_operations_1.
7957         (tree_vec_extract): Build a NOP_EXPR.
7958         (expand_vec_parallel): Do not care about returning the correct type.
7959         (expand_vector_operations_1): Call expand_vector_operation.
7960         Build the VIEW_CONVERT_EXPR on the left side of MODIFY_EXPRs.
7961
7962         * tree-complex.c (gate_expand_vector_operations): New.
7963         (pass_lower_vector_ssa): Use it.
7964         * tree-optimize.c (init_tree_optimization_passes): Include
7965         pass_lower_vector_ssa.
7966         * tree-vect-transform.c (vect_min_worthwhile_factor): New.
7967         (vectorizable_operation): Use it.
7968         * tree-vectorizer.c (get_vectype_for_scalar_type): Accept
7969         integer modes for the vector type.
7970
7971         * defaults.h (UNITS_PER_SIMD_WORD): Default to UNITS_PER_WORD.
7972         * tree-vect-analyze.c (vect_enhance_data_refs_alignment):
7973         Do not cope with UNITS_PER_SIMD_WORD == 0.
7974         * tree-vectorizer.c (get_vectype_for_scalar_type): Check
7975         if the scalar type is not bigger than UNITS_PER_SIMD_WORD.
7976         (vectorize_loops): Do not check that UNITS_PER_SIMD_WORD > 0.
7977         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Default to UNITS_PER_WORD.
7978         * config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise.
7979         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise.
7980         * config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise.
7981
7982         * config/alpha/alpha.h (UNITS_PER_SIMD_WORD): Remove.
7983         * config/bfin/bfin.h (UNITS_PER_SIMD_WORD): Remove.
7984         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): Remove.
7985
7986         * doc/tm.texi (UNITS_PER_WORD): Rephrase more accurately.
7987         (UNITS_PER_SIMD_WORD): New.
7988
7989 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
7990
7991         * config/ia64/ia64.c (ia64_encode_addr_area): Use gcc_assert and
7992         gcc_unreachable as appropriate.
7993         (ia64_expand_load_address, ia64_expand_tls_address,
7994         ia64_split_tmode, ia64_split_tmode_move, ia64_expand_compare,
7995         ia64_expand_vecint_compare, ia64_expand_vecint_minmax,
7996         next_scratch_gr_reg, ia64_initial_elimination_offset,
7997         ia64_expand_prologue, ia64_expand_epilogue,
7998         ia64_output_dwarf_dtprel, ia64_print_operand,
7999         ia64_register_move_cost, first_instruction, rws_access_regno,
8000         update_set_flags, rtx_needs_barrier, group_barrier_needed_p,
8001         ia64_sched_init, ia64_variable_issue,
8002         ia64_first_cycle_multipass_dfs_lookahead_guard,
8003         ia64_dfa_new_cycle, issue_nops_and_insn, get_template, bundling,
8004         ia64_st_address_bypass_p, ia64_ld_address_bypass_p, process_set,
8005         process_for_unwind_directive, ia64_hpux_file_end): Likewise.
8006         * config/ia64/ia64.h (ASM_OUTPUT_ADDR_VEC_ELT): Likewise.
8007         * config/ia64/ia64.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
8008         * config/ia64/predicates.md (got_symbolic_operand,
8009         sdata_symbolic_operand): Likewise.
8010         * config/ia64/vect.md (vcondv2sf): Likewise.
8011
8012 2005-04-27  Matt Thomas <matt@3am-software.com>
8013
8014         * config/vax/vax.c (legitimate_constant_address_p): New.  Formerly
8015         CONSTANT_ADDRESS_P in config/vax/vax.h
8016         (legitimate_constant_p): Added.  Formerly CONSTANT_P in vax.h.
8017         (INDEX_REGISTER_P): New.
8018         (BASE_REGISTER_P): New.
8019         (indirectable_constant_address_p): New.  Adapted from
8020         INDIRECTABLE_CONSTANT_ADDRESS_P in vax.h. Use SYMBOL_REF_LOCAL_P.
8021         (indirectable_address_p): New.  Adapted from
8022         INDIRECTABLE_ADDRESS_P in vax.h.
8023         (nonindexed_address_p): New.  Adapted from
8024         GO_IF_NONINDEXED_ADDRESS in vax.h.
8025         (index_temp_p): New.  Adapted from INDEX_TERM_P in vax.h.
8026         (reg_plus_index_p): New.  Adapted from GO_IF_REG_PLUS_INDEX in vax.h.
8027         (legitimate_address_p): New.  Adapted from
8028         GO_IF_LEGITIMATE_ADDRESS in vax.h.
8029         (vax_mode_dependent_address_p): New.  Adapted from
8030         GO_IF_MODE_DEPENDENT_ADDRESS in vax.h.
8031         * config/vax/vax.h (CONSTANT_ADDRESS_P): Use
8032         legitimate_constant_address_p.
8033         (CONSTANT_P): Use legitimate_constant_p.
8034         (INDIRECTABLE_CONSTANT_ADDRESS_P): Removed.
8035         (INDIRECTABLE_ADDRESS_P): Removed.
8036         (GO_IF_NONINDEXED_ADDRESS): Removed.
8037         (INDEX_TEMP_P): Removed.
8038         (GO_IF_REG_PLUS_INDEX): Removed.
8039         (GO_IF_LEGITIMATE_ADDRESS): Use legitimate_address_p. Two
8040         definitions, depending on whether REG_OK_STRICT is defined.
8041         (GO_IF_MODE_DEPENDENT_ADDRESS): Use vax_mode_dependent_address_p.
8042         Two definitions, depending on whether REG_OK_STRICT is defined.
8043         * config/vax/vax-protos.h (legitimate_constant_address_p): Prototype
8044         added.
8045         (legitimate_constant_p): Prototype added.
8046         (legitimate_address_p): Prototype added.
8047         (vax_mode_dependent_address_p): Prototype added.
8048
8049 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
8050
8051         * tree.h (phi_arg_d): Expand a comment in phi_arg_d.
8052
8053 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
8054
8055         PR c/21213
8056         * c-decl.c (finish_struct): Don't dereference NULL TYPE_FIELDS of
8057         transparent union.
8058
8059 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
8060
8061         PR c/20740
8062         * c-format.c (init_dynamic_asm_fprintf_info): Give errors, not
8063         assertion failures, if __gcc_host_wide_int__ is not properly
8064         defined.
8065         (init_dynamic_diag_info): Give errors, not assertion failures, if
8066         location_t, tree or __gcc_host_wide_int__ are not properly
8067         defined.
8068
8069 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
8070
8071         * tree-ssa-loop-ivopts.c (ivopts_data, decl_rtl_to_reset,
8072         n_iv_uses, iv_use, n_iv_cands, iv_cand,
8073         tree_ssa_iv_optimize_init, record_use, add_candidate_1,
8074         prepare_decl_rtl, free_loop_data,
8075         tree_ssa_iv_optimize_finalize): Use the VEC API instead of
8076         VARRAY.
8077
8078         * tree.h (tree_phi_node): Add a comment about the order of PHI
8079         arguments.
8080
8081 2005-04-26  Paul Brook  <paul@codesourcery.com>
8082
8083         * config/arm/arm.md (thumb_mulsi3): Use two-operand assembly form.
8084
8085 2005-04-26  Nathan Sidwell  <nathan@codesourcery.com>
8086
8087         * config/mips.mips.c (mips_legitimize_tls_address): Use
8088         gcc_unreachable.
8089
8090         * config/mmix/mmix.c (mmix_assemble_integer): Use gcc_assert.
8091         * config/mmix/crti.asm (_init): Reword comment to avoid 'abort'.
8092         * config/mmix/mmix.md (nonlocal_goto_receiver): Likewise.
8093
8094         * config/sparc/sparc.h (enum reg_class): Reword comment to avoid
8095         'abort'.
8096
8097 2005-04-26  Jeff Law  <law@redhat.com>
8098
8099         * tree-flow-inline.h (op_iter_next_must_and_may_def): New.
8100         (op_iter_init_must_and_may_def): Likewise.
8101         (unmodifiable_var_p): Move to a later point in the file.
8102         * tree-ssa-operands.h (FOR_EACH_SSA_MUST_AND_MAY_DEF_OPERAND): New.
8103         * tree-ssa-dse.c (need_imm_uses_for): Remove, no longer needed.
8104         (dse_record_phis): Directly check for virtual operands rather than
8105         using need_imm_uses_for.
8106         (dse_optimize_stmt): Handle V_MUST_DEF operands.  Handle case where
8107         store has multiple V_{MAY,MUST}_DEF operands.
8108
8109 2005-04-26  Andrew MacLeod  <amacleod@redhat.com>
8110
8111         * tree-cfg.c (bsi_replace): Delink immediate uses for the original
8112         stmt.
8113
8114 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
8115
8116         * tree-cfg.c (lv_adjust_loop_header_phi): Speed up moving a
8117         call to find_edge outside a loop to go through a PHI chain.
8118
8119 2004-04-26  Richard Guenther  <rguenth@gcc.gnu.org>
8120
8121         PR tree-optimization/17598
8122         * fold-const.c (fold_binary): Fold comparisons of addresses
8123         of COMPONENT_REFs which reference the same field to
8124         comparisons of the addresses of the base objects.
8125
8126 2005-04-26  Julian Brown  <julian@codesourcery.com>
8127
8128         * config/arm/arm.c (arm_return_in_msb): New function.
8129         (arm_must_pass_in_stack): New function.
8130         (TARGET_RETURN_IN_MSB): Define target hook.
8131         (TARGET_MUST_PASS_IN_STACK): Define target hook.
8132         (arm_function_value): Pad small aggregate return.
8133         (arm_pad_arg_upward): New function.
8134         (arm_pad_reg_upward): New function.
8135         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Include complex values.
8136         (FUNCTION_ARG_PADDING): Define macro.
8137         (BLOCK_REG_PADDING): Define macro.
8138         (PAD_VARARGS_DOWN): Correct padding for AAPCS.
8139         * config/arm/arm-protos.h (arm_pad_arg_upward): Declare function.
8140         (arm_pad_reg_upward): Declare function.
8141
8142 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
8143
8144         * basic-block.h (ei_cond): New.
8145         (FOR_EACH_EDGE): Call ei_cond.
8146
8147         PR tree-optimization/21047
8148         * fold-const.c (fold_binary): Abort on ASSERT_EXPR.
8149         (fold): Don't handle ASSERT_EXPR.
8150
8151 2005-04-25  Roger Sayle  <roger@eyesopen.com>
8152
8153         * sched-deps.c (sched_analyze_1): On STACK_REGS targets, x87, treat
8154         all writes to any stack register as a read/write dependency on
8155         FIRST_STACK_REG.
8156         (sched_analyze_2): Likewise, for reads from any stack register.
8157
8158 2005-04-25  Richard Henderson  <rth@redhat.com>
8159
8160         * final.c (output_addr_const): Revert 2005-04-09 change.
8161
8162 2005-04-25  Mike Stump  <mrs@apple.com>
8163
8164         * config/darwin.c (darwin_encode_section_info): Always set
8165         MACHO_SYMBOL_STATIC for all ! TREE_PUBLIC symbols.
8166
8167 2005-04-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8168
8169         * collect2.c, gcc.c, gcov-dump.c, gcov.c, gen-protos.c,
8170         gensupport.c, protoize.c, toplev.c: Replace calls to
8171         `unlock_stream' with `unlock_std_streams'.
8172
8173 2005-04-25  Devang Patel <dpatel@apple.com>
8174
8175         * dbxout.c (dbxout_type): Emit attribute vector.
8176
8177 2005-04-05  Paul Brook  <paul@codesourcery.com>
8178
8179         * target-def.h (TARGET_CXX_USE_AEABI_ATEXIT): Define.
8180         * target.h (struct gcc_target): Add cxx.use_aeabi_atexit.
8181         * config/arm/arm.c (arm_cxx_atexit_name): New function.
8182         (TARGET_CXX_USE_AEABI_ATEXIT): New macro.
8183         * cp/decl.c (get_atexit_node): Reorder arguments for __aeabi_atexit.
8184         (register_dtor_fn): Likewise.
8185         * doc/tm.texi: Document TARGET_CXX_USE_AEABI_ATEXIT.
8186
8187 2005-04-25  Ian Lance Taylor  <ian@airs.com>
8188
8189         * c-common.def (EXPR_STMT): Remove, moved to C++ frontend.
8190         * c-common.h (EXPR_STMT_EXPR): Don't define.
8191         (c_common_stmt_codes): Don't define.
8192         * c-dump.c (c_dump_tree): Remove EXPR_STMT case.
8193         * c-gimplify.c (gimplify_expr_stmt): Remove.
8194         (c_gimplify_expr): Remove EXPR_STMT case.
8195         * c-objc-common.c (c_objc_common_init): Remove stmt_codes and call
8196         to INIT_STATEMENT_CODES.
8197         * c-pretty-print.c (pp_c_statement): Just call dump_generic_node.
8198
8199 2005-04-25  Jan Hubicka  <jh@suse.cz>
8200
8201         * tree-cfg.c (tree_duplicate_bb): Duplicate EH region too.
8202
8203         * except.c: Include diagnostic.h
8204         (dump_eh_tree, verify_eh_tree): New functions.
8205         * except.h (verify_eh_tree, dump_eh_tree, verify_eh_edges): Declare.
8206         * tree-cfg.c (tree_verify_flow_info): verify eh edges.
8207         (dump_function_to_file): dump eh tree.
8208         * tree-eh.c (mark_eh_edge): New function.
8209         (mark_eh_edge_found_error): New static variable.
8210         (verify_eh_edges): New function.
8211
8212 2005-04-25  Nathan Sidwell  <nathan@codesourcery.com>
8213
8214         * tree-ssa-alias.c (fieldoff_t): Remove.
8215         (fieldoff_s): typedef the structure itself.  Create a vector of
8216         objects.
8217         (push_fields_onto_fieldstack): Return count of fields pushed.
8218         Remove peeling of first field.  Adjust.
8219         (fieldoff_compare): Adjust.
8220         (create_overlap_variables_for): Adjust.
8221
8222 2005-04-25  Joseph S. Myers  <joseph@codesourcery.com>
8223
8224         * doc/invoke.texi (Blackfin Options): Avoid empty @opindex line.
8225
8226 2005-04-25  Joseph S. Myers  <joseph@codesourcery.com>
8227
8228         PR bootstrap/21215
8229         * doc/install.texi: Document correct assembler and linker to use
8230         on i?86-*-solaris2.10.
8231
8232 2005-04-25  Steven Bosscher  <stevenb@suse.de>
8233
8234         Fix PR tree-optimization/21173
8235
8236         * tree-ssa-pre.c (create_expression_by_pieces): Simplify code.
8237         Unshare expression we pass to force_gimple_operand.
8238
8239 2005-04-25  J"orn Rennecke <joern.rennecke@st.com>
8240             Stephen Clarke <stevec@superh.com>
8241             Roger Sayle <roger@eyesopen.com>
8242
8243         PR rtl-optimization/20413
8244         * cfgrtl.c (redirect_edge_and_branch): Use Pmode instead of
8245         VOIDmode for LABEL_REF.
8246         * final.c (shorten_branches): Likewise.
8247         * jump.c (mark_all_labels, redirect_exp_1): Likewise.
8248         * loop.c (reg_dead_after_loop): Likewise.
8249         * varasm.c (decode_addr_const): Likewise.
8250         * doc/rtl.texi: Document mode requirement for LABEL_REF.
8251
8252 2005-04-25  Ralf Corsepius  <ralf.corsepius@rtems.org>
8253
8254         * config.gcc (avr-*-*): Remove redundant "case".
8255
8256 2005-04-25  Kazu Hirata  <kazu@cs.umass.edu>
8257
8258         * tree-vect-analyze.c (vect_mark_relevant): Take
8259         VEC(tree,heap) instead of varray_type as an argument.
8260         (vect_mark_stmts_to_be_vectorized): Change the type of
8261         worklist to VEC(tree,heap).  Adjust uses of worklist.
8262
8263 2005-04-24  Devang Patel  <dpatel@apple.com>
8264
8265         *  config/rs6000/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): New.
8266
8267 2005-04-24  Ian Lance Taylor  <ian@airs.com>
8268
8269         * c-semantics.c (build_stmt): Remove test of specific tree codes
8270         for TREE_SIDE_EFFECTS handling.
8271
8272 2005-04-24  Per Bothner  <per@bothner.com>
8273
8274         * c-opts.c (finish_options):  Make the line-number of the <built-in>
8275         location 0, as assumed elsewhere, rather than 1.
8276
8277 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
8278
8279         * tree-ssa-uncprop.c (equiv_stack): Change the type o
8280         VEC(tree,heap).
8281         (tree_ssa_uncprop, uncprop_finalize_block,
8282         uncprop_initialize_block): Update uses of equiv_stack.
8283
8284 2005-04-24  Richard Henderson  <rth@redhat.com>
8285
8286         PR rtl-opt/21163
8287         * simplify-rtx.c (simplify_binary_operation) <IOR>: Check
8288         for SCALAR_INT_MODE_P instead of not MODE_CC before returning
8289         constm1_rtx.
8290         <AND, LSHIFTRT, UMIN>: Use CONST0_RTX.
8291         <UDIV, UMOD>: Use CONST0_RTX and CONST1_RTX.
8292         <DIV, MOD>: Likewise.
8293
8294 2005-04-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8295
8296         * collect2.c (main): Unlock the stdio streams.
8297         * gcc.c (main): Likewise.
8298         * gcov-dump.c (main): Likewise.
8299         * gcov.c (main): Likewise.
8300         * gen-protos.c (main): Likewise.
8301         * gensupport.c (init_md_reader_args_cb): Likewise.
8302         * protoize.c (main): Likewise.
8303         * toplev.c (general_init): Likewise.
8304
8305 2005-04-24  Jakub Jelinek  <jakub@redhat.com>
8306
8307         PR middle-end/20991
8308         * cgraph.h (cgraph_local_info): Add vtable_method field.
8309         * varasm.c (mark_decl_referenced): If cgraph_global_info_ready
8310         and node is vtable_method, finalized and not reachable, don't do
8311         anything.
8312
8313 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
8314
8315         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Use
8316         COMPARISON_CLASS_P.
8317         * tree-ssa-pre.c (create_value_expr_from): Use
8318         CONSTANT_CLASS_P and REFERENCE_CLASS_P.
8319         * tree-ssa-propagate.c (stmt_makes_single_load,
8320         stmt_makes_single_store): Use REFERENCE_CLASS_P.
8321         * tree-vect-transform.c (vect_is_simple_cond): Use
8322         COMPARISON_CLASS_P.
8323         * tree-vrp.c (extract_range_from_assert,
8324         build_assert_expr_for, fp_predicate, has_assert_expr): Use
8325         COMPARISON_CLASS_P.
8326
8327         * tree-ssa-live.c (build_tree_conflict_graph): Change the type
8328         of tpa_to_clear to VEC(int,heap).  Update uses of
8329         tpa_to_clear.  Free tpa_to_clear at the end.
8330
8331 2005-04-24  Andrew Pinski  <pinskia@physics.uc.edu>
8332
8333         * tree.h (TREE_THIS_VOLATILE): Document the effect on a
8334         function decl.
8335
8336 2005-04-24  Nathan Sidwell  <nathan@codesourcery.com>
8337
8338         * config/rs6000/rs6000.c (rs6000_override_options): Use gcc_assert
8339         and gcc_unreachable as appropriate.
8340         (num_insns_constant, output_vec_const_move,
8341         build_mask64_2_operands, rs6000_output_dwarf_dtprel,
8342         rs6000_emit_set_const, rs6000_emit_move,
8343         spe_build_register_parallel, function_arg,
8344         rs6000_move_block_from_reg, altivec_expand_predicate_builtin,
8345         spe_expand_predicate_builtin, spe_expand_evsel_builtin,
8346         rs6000_expand_builtin, spe_init_builtins, altivec_init_builtins,
8347         rs6000_common_init_builtins, expand_block_clear,
8348         expand_block_move, validate_condition_mode, ccr_bit, extract_MB,
8349         extract_ME, rs6000_get_some_local_dynamic_name,
8350         rs6000_output_function_entry, print_operand,
8351         print_operand_address, rs6000_generate_compare, rs6000_emit_sCOND,
8352         output_cbranch, output_e500_flip_gt_bit,
8353         rs6000_emit_vector_compare, rs6000_emit_vector_compare,
8354         rs6000_emit_cmove, rs6000_emit_minmax, rs6000_split_multireg_move,
8355         compute_save_world_info, rs6000_stack_info,
8356         rs6000_emit_load_toc_table, rs6000_frame_related,
8357         spe_synthesize_frame_save, rs6000_emit_epilogue,
8358         rs6000_output_function_epilogue, rs6000_hash_constant, output_toc,
8359         output_function_profiler, rs6000_trampoline_size,
8360         rs6000_initialize_trampoline, find_addr_reg,
8361         rs6000_machopic_legitimize_pic_address,
8362         rs6000_initial_elimination_offset,
8363         rs6000_dbx_register_number): Likewise.
8364         * config/rs6000/rs6000.md (*fix_truncdfsi2_internal,
8365         *movdf_hardfloat32, *movdf_softfloat32, *fix_trunctfsi2_internal,
8366         *movti_power, *movti_string, call, call_value, sibcall,
8367         sibcall_value): Likewise.
8368         * config/rs6000/spe.md (*movdf_e500_double,
8369         *movv2si_internal): Likewise.
8370         * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): Remove 'abort'
8371         from comment.
8372
8373 2005-04-24  Richard Henderson  <rth@redhat.com>
8374
8375         PR target/21101
8376         * config/i386/i386.h (CANNOT_CHANGE_MODE_CLASS): Move guts to ...
8377         * config/i386/i386.c (ix86_cannot_change_mode_class): ... here.
8378         Deny modes smaller than 4 bytes.
8379         * config/i386/i386-protos.h: Update.
8380
8381 2005-04-24  Ralf Corsepius  <ralf.corsepius@rtems.org>
8382
8383         * config.gcc (h8300-*-rtems*): Add h8300-*-rtemscoff*.
8384         Switch h8300-*-rtems* to ELF.
8385
8386 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
8387
8388         * vec.h (VEC_safe_grow): Replace grow with safe_grow.
8389
8390 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
8391
8392         * ipa-inline.c, tree-ssa-operands.h: Fix comment typos.
8393
8394 2005-04-23  Richard Guenther  <rguenth@gcc.gnu.org>
8395
8396         PR middle-end/21082
8397         * fold-const.c: Fold &a[i]-&a[j] to i-j.
8398
8399 2005-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
8400
8401         * tree-ssa-loop-niter.c (tree_simplify_using_condition): Expand simple
8402         definitions of ssa names in condition.  Split recusive part to ...
8403         (tree_simplify_using_condition_1): New function.
8404         (expand_simple_operations): New function.
8405
8406 2005-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
8407
8408         * tree-ssa-loop-ivopts.c (struct cost_pair): Add value field.
8409         (find_interesting_uses_cond): Do not use integer_zerop and
8410         integer_nonzerop to check for integer constants.
8411         (set_use_iv_cost): Record the value field.
8412         (determine_use_iv_cost_generic, determine_use_iv_cost_address,
8413         determine_use_iv_cost_outer): Set the value field of the cost pair.
8414         (may_eliminate_iv): Do not return the comparison code.
8415         (iv_elimination_compare): New function.
8416         (determine_use_iv_cost_condition): Set the value field.  Record
8417         noneliminable invariants correctly.
8418         (rewrite_use_compare, rewrite_use_outer): Use the value field.
8419
8420 2005-04-23  DJ Delorie  <dj@redhat.com>
8421
8422         * diagnostic.c (warning): Accept parameter to classify warning option.
8423         (warning0): New, for when a pointer to an error() like function is needed.
8424         * errors.c (warning): Likewise.
8425         * errors.h (warning, warning0): Adjust prototypes.
8426         * toplev.h (warning, warning0): Likewise.
8427
8428         * attribs.c, builtins.c, c-common.c, c-decl.c, c-format.c,
8429         c-gimplify.c, c-lex.c, c-objc-common.c, c-opts.c, c-parser.c,
8430         c-pragma.c, c-typeck.c, calls.c, cgraph.c, coverage.c, emit-rtl.c,
8431         fold-const.c, fortran/trans-decl.c, function.c, gcse.c,
8432         genautomata.c, haifa-sched.c, opts.c, passes.c, regclass.c,
8433         reload1.c, stmt.c, stor-layout.c, toplev.c, tree-cfg.c,
8434         tree-dump.c, tree-inline.c, tree-mudflap.c, tree-optimize.c,
8435         tree-ssa.c, tree.c, varasm.c: Adjust warning() callers.
8436
8437         * config/alpha/alpha.c, config/arc/arc.c, config/arm/arm.c,
8438         config/avr/avr.c, config/bfin/bfin.c, config/c4x/c4x-c.c,
8439         config/c4x/c4x.c, config/cris/cris.c, config/darwin-c.c,
8440         config/darwin.c, config/darwin.h, config/h8300/h8300.c,
8441         config/i386/cygming.h, config/i386/djgpp.h, config/i386/i386.c,
8442         config/i386/winnt.c, config/ia64/ia64-c.c, config/ia64/ia64.c,
8443         config/ip2k/ip2k.c, config/m32r/m32r.c, config/m68hc11/m68hc11.c,
8444         config/m68k/m68k.c, config/mcore/mcore.c, config/mips/mips.c,
8445         config/mmix/mmix.c, config/ns32k/ns32k.c, config/pa/pa-hpux11.h,
8446         config/pa/pa.c, config/rs6000/aix43.h, config/rs6000/aix51.h,
8447         config/rs6000/aix52.h, config/rs6000/darwin.h,
8448         config/rs6000/rs6000-c.c, config/rs6000/rs6000.c,
8449         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
8450         config/sh/symbian.c, config/sol2-c.c, config/sol2.c,
8451         config/stormy16/stormy16.c, config/v850/v850-c.c,
8452         config/v850/v850.c, config/xtensa/xtensa.c: Adjust warning()
8453         callers.
8454
8455 2005-04-23  Richard Henderson  <rth@redhat.com>
8456
8457         PR rtl-opt/21102
8458         * simplify-rtx.c (simplify_binary_operation): Fix mode check before
8459         performing some integral scalar simplifications.
8460
8461 2005-04-23  Richard Henderson  <rth@redhat.com>
8462
8463         PR target/21099
8464         * config/i386/i386.c (ix86_split_to_parts): Use proper mode when
8465         simplifying CONST_VECTOR.
8466
8467 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
8468
8469         * tree-ssa-live.c (live_worklist): Take a stack allocated on
8470         heap as an argument.  Update uses of stack.
8471         (calculate_live_on_entry): Allocate stack on heap.
8472
8473         * tree-ssa-live.c (build_tree_conflict_graph): Allocate
8474         partition_link and tpa_nodes on heap.
8475
8476         * tree-ssa-dce.c (worklist): Change to VEC(tree,heap).
8477         (mark_stmt_necessary, propagate_necessity,
8478         mark_really_necessary_kill_operand_phis): Update uses of
8479         worklist.
8480         (tree_dce_init): Allocate worklist using VEC_alloc.
8481         (tree_dce_done): Free worklist using VEC_free.
8482
8483 2005-04-23  Mike Stump  <mrs@apple.com>
8484
8485         * config/darwin.c (machopic_indirection_name): Don't use
8486         quotes needlessly.
8487         (darwin_emit_unwind_label): Use user_label_prefix instead of
8488         "_".
8489
8490 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
8491
8492         * final.c, ipa-inline.c, varasm.c: Fix comment typos.
8493
8494 2005-04-23  Hans-Peter Nilsson  <hp@axis.com>
8495
8496         * config.gcc <cris-*>: Specify .opt files.
8497         * config/cris/cris.opt, config/cris/elf.opt, config/cris/aout.opt,
8498         config/cris/linux.opt: New files.
8499         * config/cris/aout.h (CRIS_SUBTARGET_SWITCHES)
8500         (CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
8501         (TARGET_ELF): Override to 0.
8502         (CRIS_SUBTARGET_HANDLE_OPTION): Override to handle -melinux and
8503         -melinux-stacksize=N.
8504         * config/cris/cris.c: (cris_handle_option): New function.
8505         (TARGET_DEFAULT_TARGET_FLAGS): Override.
8506         (TARGET_HANDLE_OPTION): Override to cris_handle_option.
8507         (cris_override_options): Use MASK_*, not TARGET_MASK_*.
8508         * config/cris/cris.h (TARGET_MASK_SVINTO, TARGET_SVINTO,
8509         (TARGET_MASK_CCINIT, TARGET_CCINIT, TARGET_MASK_PDEBUG)
8510         (TARGET_PDEBUG, TARGET_MASK_SIDE_EFFECT_PREFIXES)
8511         (TARGET_SIDE_EFFECT_PREFIXES, TARGET_MASK_EXPAND_MUL)
8512         (TARGET_EXPAND_MUL, TARGET_MASK_STACK_ALIGN, TARGET_STACK_ALIGN)
8513         (TARGET_MASK_CONST_ALIGN, TARGET_CONST_ALIGN)
8514         (TARGET_MASK_DATA_ALIGN, TARGET_DATA_ALIGN)
8515         (TARGET_MASK_PROLOGUE_EPILOGUE, TARGET_PROLOGUE_EPILOGUE)
8516         (TARGET_MASK_ETRAX4_ADD, TARGET_ETRAX4_ADD)
8517         (TARGET_MASK_ALIGN_BY_32, TARGET_ALIGN_BY_32, TARGET_MASK_ELF)
8518         (TARGET_ELF, TARGET_MASK_LINUX, TARGET_LINUX)
8519         (TARGET_MASK_AVOID_GOTPLT, TARGET_AVOID_GOTPLT)
8520         (TARGET_MASK_MUL_BUG, TARGET_MUL_BUG, TARGET_SWITCHES)
8521         (CRIS_SUBTARGET_SWITCHES, TARGET_OPTIONS)
8522         (CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
8523         (TARGET_LINUX): Define 0.
8524         (TARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.
8525         (CRIS_SUBTARGET_DEFAULT): Define to 0, not TARGET_MASK_ELF.
8526         (CRIS_SUBTARGET_DEFAULT): New empty default macro.
8527         * config/cris/linux.h (CRIS_SUBTARGET_SWITCHES): Don't define.
8528         (TARGET_LINUX): Override to 1.
8529         (CRIS_SUBTARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.
8530
8531 2005-04-23  Nathan Sidwell  <nathan@codesourcery.com>
8532
8533         * haifa-sched.c (schedule_block): Fix thinko in previous
8534         assertification patch.
8535
8536 2005-04-23  Richard Sandiford  <rsandifo@redhat.com>
8537
8538         * config.gcc (hppa[12]*-*-hpux10*): Add pa/pa-hpux.opt to
8539         $extra_options.  Also add pa/pa-hpux1010.opt for hpux10.[1-9]*.
8540         (hppa*64*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file.  Add
8541         pa/pa-hpux.opt, pa/pa-hpux1010.opt and pa/pa64-hpux.opt to
8542         $extra_options.  Also add pa/pa-hpux1111.opt for hpux11.[1-9]*.
8543         (hppa[12]*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file.  Add
8544         pa/pa-hpux.opt to $extra_options.  Also add pa/pa-hpux1111.opt
8545         for hpux11.[1-9]*.
8546         * config/pa/pa.h (architecture_type, rtx_def, pa_arch_string, pa_arch)
8547         (pa_fixed_range_string, pa_cpu_string, pa_unix_string, target_flags)
8548         (MASK_PA_11, MASK_DISABLE_FPREGS, TARGET_DISABLE_FPREGS)
8549         (MASK_NO_SPACE_REGS, TARGET_NO_SPACE_REGS, MASK_JUMP_IN_DELAY)
8550         (TARGET_JUMP_IN_DELAY, MASK_DISABLE_INDEXING, TARGET_DISABLE_INDEXING)
8551         (MASK_PORTABLE_RUNTIME, TARGET_PORTABLE_RUNTIME, MASK_GAS, TARGET_GAS)
8552         (MASK_SOFT_FLOAT, TARGET_SOFT_FLOAT, MASK_LONG_LOAD_STORE)
8553         (TARGET_LONG_LOAD_STORE, MASK_FAST_INDIRECT_CALLS)
8554         (TARGET_FAST_INDIRECT_CALLS, MASK_BIG_SWITCH, TARGET_BIG_SWITCH)
8555         (MASK_PA_20, MASK_SIO, TARGET_SIO, MASK_GNU_LD, TARGET_GNU_LD)
8556         (MASK_LONG_CALLS, TARGET_LONG_CALLS, TARGET_PA_11, TARGET_PA_20)
8557         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS)
8558         (SUBTARGET_OPTIONS): Delete.
8559         (TARGET_PA_10): Redefine in terms of TARGET_PA_11 and TARGET_PA_20.
8560         (TARGET_SCHED_DEFAULT): Define to a PROCESSOR_* enum (PROCESSOR_8000)
8561         instead of a string.
8562         * config/pa/pa.c (pa_arch, pa_arch_string, pa_fixed_range_string)
8563         (pa_cpu_string, pa_unix_string): Delete.
8564         (pa_cpu): Initialize to TARGET_SCHED_DEFAULT.
8565         (flag_pa_unix): Initialize based on TARGET_HPUX_11_11 and
8566         TARGET_HPUX_10_10.
8567         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
8568         (pa_handle_option): New function.
8569         (override_options): Remove handling of -march=, -mfixed-range=,
8570         -mschedule= and -munix=.
8571         * config/pa/pa-hpux.h (SUBTARGET_SWITCHES): Delete.
8572         * config/pa/pa-hpux1010.h (SUBTARGET_OPTIONS): Delete.
8573         * config/pa/pa-hpux10.h (SUBTARGET_OPTIONS): Delete.
8574         * config/pa/pa-hpux1111.h (SUBTARGET_OPTIONS): Delete.
8575         * config/pa/pa-hpux11.h (SUBTARGET_OPTIONS): Delete.
8576         * config/pa/pa64-hpux.h (SUBTARGET_SWITCHES): Delete.
8577         * config/pa/pa64-start.h (TARGET_PA_11, TARGET_PA_20): #undef before
8578         redefining.
8579         * config/pa/pa.opt: New file.
8580         * config/pa/pa-hpux.opt: New file.
8581         * config/pa/pa-hpux1010.opt: New file.
8582         * config/pa/pa-hpux1111.opt: New file.
8583         * config/pa/pa64-hpux.opt: New file.
8584
8585 2005-04-22  David S. Miller  <davem@davemloft.net>
8586
8587         * rtl.h (CONST_DOUBLE): Fix comment, a CONST_DOUBLE holds an
8588         integer when it's mode is VOIDmode not DImode.
8589
8590 2005-04-22  Geoffrey Keating  <geoffk@apple.com>
8591
8592         * config/rs6000/rs6000.md (sync_add<mode>_internal,
8593         sync_addshort_internal, sync_sub<mode>_internal, sync_andsi_internal,
8594         sync_anddi_internal, sync_boolsi_internal, sync_booldi_internal,
8595         sync_boolc<mode>_internal, sync_boolc<mode>_internal2,
8596         sync_boolcc<mode>_internal, sync_lock_test_and_set<mode>): Use
8597         "bne- $-xxx" rather than local labels.
8598         (sync_lock_release<mode>): Add second operand.
8599         (lwsync): Use .long rather than a more meaningful opcode.
8600         * doc/md.texi (Standard Names): Add description of second
8601         parameter to sync_lock_test_and_set.
8602
8603 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
8604
8605         PR tree-optimization/21088
8606         * fold-const.c (fold_unary, fold_binary, fold_ternary):
8607         Export.
8608         * tree-vrp.c (compare_values): Use fold_binary to compare
8609         pointers.  Use boolean_type_node as the type of a comparison
8610         expression being folded.
8611         * tree.h: Add prototypes for fold_unary, fold_binary,
8612         fold_ternary.
8613
8614         * tree-ssa-dom.c: Fix formatting.
8615
8616 2005-04-22  Diego Novillo  <dnovillo@redhat.com>
8617
8618         * Makefile.in (tree-into-ssa.o): Add dependency on PARAMS_H.
8619         * lambda-code.c (perfect_nestify): Mark virtual operands in
8620         the moved statement for renaming.
8621         * params.def (PARAM_MIN_VIRTUAL_MAPPINGS): Define.
8622         (PARAM_VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
8623         * params.h (MIN_VIRTUAL_MAPPINGS): Define.
8624         (VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
8625         * tree-flow.h (struct var_ann_d): Update comments.
8626         (rewrite_to_new_ssa_names_bb, rewrite_to_new_ssa_names,
8627         allocate_ssa_names, find_phi_node_for, dump_tree_ssa,
8628         debug_tree_ssa, debug_def_blocks, dump_tree_ssa_stats,
8629         debug_tree_ssa_stats, rewrite_ssa_into_ssa,
8630         dump_repl_tbl, debug_repl_tbl, dump_names_replaced_by,
8631         debug_names_replaced_by): Remove declarations.
8632         (delete_update_ssa, get_current_def, set_current_def): Declare.
8633         (rewrite_into_loop_closed_ssa): Add new argument.  Update
8634         all callers.
8635         * tree-into-ssa.c: Include params.h.
8636         (old_virtual_ssa_names): Remove.  Update all users.
8637         (need_to_replace_names_p): Remove.  Update all users.
8638         (struct update_ssa_stats_d): Declare.
8639         (update_ssa_stats): New local.
8640         (dump_tree_ssa, debug_tree_ssa, debug_def_blocks,
8641         dump_tree_ssa_stats, debug_tree_ssa_stats,
8642         dump_update_ssa, debug_update_ssa,
8643         dump_names_replaced_by, debug_names_replaced_by): Declare.
8644         (get_current_def, set current_def): Make extern.
8645         (is_old_name, is_new_name): Protect against references
8646         past the end of the sets.
8647         (add_new_name_mapping): Assert that OLD and NEW are
8648         different SSA names for the same symbol.
8649         When adding a virtual mapping, update stats for virtual
8650         mapping heuristic.
8651         (insert_phi_nodes_for): If UPDATE_P is true, create the
8652         LHS of the new PHI by duplicating SSA name VAR.
8653         (insert_phi_nodes_1): Remove.  Update all users.
8654         (insert_phi_nodes): Remove second argument.  Update all
8655         users.
8656         (maybe_replace_use, maybe_replace_def): New.
8657         (rewrite_update_stmt): Call them.
8658         (mark_def_interesting): Remove calls to is_gimple_reg.
8659         (prepare_phi_args_for_update): Remove.  Update all users.
8660         (prepare_block_for_update): Only process virtual operands
8661         and GIMPLE registers in normal form.
8662         (prepare_use_sites_for): New.
8663         (prepare_names_to_update): Rename from prepare_def_sites.
8664         Call prepare_use_sites_for.
8665         (dump_update_ssa): Rename from dump_repl_tbl.
8666         Update all users.
8667         Show statistics for virtual mapping heuristic.
8668         (debug_update_ssa): Rename from debug_debug_repl_tbl.
8669         (init_update_ssa): Initialize UPDATE_SSA_STATS.
8670         (delete_update_ssa): Make extern.
8671         (mark_set_for_renaming): If the set is empty, do nothing.
8672         (release_ssa_name_after_update_ssa): Update comment.
8673         (insert_updated_phi_nodes_for): Do not remove existing
8674         PHI nodes for symbols.
8675         (switch_virtuals_to_full_rewrite_p): New.
8676         (switch_virtuals_to_full_rewrite): New.
8677         (update_ssa): Call them.
8678         Clear REWRITE_THIS_STMT and REGISTER_DEFS_IN_THIS_STMT
8679         for every statement before updating.
8680         If all the names in NEW_SSA_NAMES have been marked for
8681         removal, do nothing.
8682         Only start at the top of the CFG if there are symbols in
8683         SYMS_TO_RENAME.
8684         (ssa_rewrite_finalize_block): Remove.
8685         (ssa_register_new_def): Remove.
8686         (ssa_rewrite_stmt): Remove.
8687         (ssa_rewrite_phi_arguments): Remove.
8688         (ssa_rewrite_initialize_block): Remove.
8689         (ssa_mark_def_sites): Remove.
8690         (ssa_mark_def_sites_initialize_block): Remove.
8691         (ssa_mark_phi_uses): Remove.
8692         (rewrite_ssa_into_ssa): Remove.
8693         * tree-phinodes.c (find_phi_node_for): Remove.
8694         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
8695         Call update_ssa.
8696         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops):
8697         Remove calls to verify_dominators and
8698         verify_loop_structure.
8699         (tree_unswitch_single_loop): Call update_ssa.
8700         * tree-ssa.c (verify_ssa): Assert that need_ssa_update_p
8701         returns false.
8702         Call verify_stmts.
8703         (delete_tree_ssa): Assert that need_ssa_update_p returns
8704         false.
8705         * tree-vect-transform.c (vect_transform_loop): Call update_ssa.
8706         * tree-vectorizer.c (allocate_new_names, rename_def_op,
8707         free_new_names): Remove.  Update all users.
8708         (rename_use_op): Call get_current_def.
8709         (rename_variables_in_bb): Do not handle any real or
8710         virtual definition.
8711         (slpeel_update_phis_for_duplicate_loop): Call
8712         get_current_def and set_current_def instead of using
8713         SSA_NAME_AUX.
8714         (slpeel_update_phi_nodes_for_guard2): Reformat comments.
8715         (slpeel_can_duplicate_loop_p): Call need_ssa_update_p,
8716         ssa_names_to_replace and delete_update_ssa.
8717         * doc/invoke.texi: Document --param min-virtual-mappings
8718         and --param virtual-mappings-ratio.
8719
8720 2005-04-22  Diego Novillo  <dnovillo@redhat.com>
8721
8722         * tree-cfg.c (tree_duplicate_bb): Call create_new_def_for
8723         for newly created PHI nodes.
8724         Call create_new_def_for for every new V_MAY_DEF and
8725         V_MUST_DEF on the copied statement.
8726         (struct ssa_name_map_entry): Remove.
8727         (ssa_name_map_entry_hash): Remove.
8728         (ssa_name_map_entry_eq): Remove.
8729         (allocate_ssa_names): Remove.
8730         (rewrite_to_new_ssa_names_def): Remove.
8731         (rewrite_to_new_ssa_names_use): Remove.
8732         (rewrite_to_new_ssa_names_bb): Remove.
8733         (rewrite_to_new_ssa_names): Remove.
8734         (tree_duplicate_sese_region): Remove variables ver,
8735         definitions, phi, ssa_name_map and bi.
8736         Call need_ssa_update_p instead of any_marked_for_rewrite_p.
8737         Call update_ssa.
8738         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
8739         update_ssa instead of rewrite_ssa_into_ssa.
8740         * tree-ssa-loop-manip.c (add_exit_phis_edge): Call
8741         create_new_def_for.
8742         (find_uses_to_rename_use): Add argument 'need_phis'.
8743         (find_uses_to_rename_stmt): Do not scan virtual operands.
8744         (find_uses_to_rename): Only scan PHI nodes for
8745         non-virtual names.
8746         (rewrite_into_loop_closed_ssa): Call update_ssa.
8747         (check_loop_closed_ssa_use): Ignore virtual operands.
8748         (check_loop_closed_ssa_stmt): Likewise.
8749         (verify_loop_closed_ssa): Do nothing if CURRENT_LOOPS is
8750         NULL.
8751         (rename_variables, set_phi_def_stmts): Remove.
8752         (tree_duplicate_loop_to_header_edge): Reformat comment.
8753         Remove variables BB, I and DEFINITIONS.
8754         Call need_ssa_update_p.
8755         Call update_ssa.
8756         (lv_adjust_loop_header_phi): Reformat comment.
8757         * tree-ssanames.c (ssa_names_to_rewrite): Remove.
8758         (marked_for_rewrite_p, any_marked_for_rewrite_p,
8759         mark_for_rewrite, unmark_all_for_rewrite,
8760         marked_ssa_names): Remove.  Update all users.
8761         (release_ssa_name): If VAR has been registered for SSA
8762         updating, do nothing.
8763         * tree-vrp.c (new_ssa_names, old_ssa_names): Remove.
8764         (build_assert_expr_for): Call register_new_name_mapping.
8765         (insert_range_assertions): Update call to update_ssa.
8766         * tree.h (mark_for_rewrite, unmark_all_for_rewrite,
8767         marked_for_rewrite_p, any_marked_for_rewrite_p,
8768         marked_ssa_names): Remove.
8769
8770 2005-04-22  Jeff Law  <law@redhat.com>
8771
8772         * tree-ssa-dom.c (block_defs_stack): Remove, no longer needed.
8773         (restore_currdefs_to_original_value): Likewise.
8774         (register_definitions_for_stmt): Likewise.
8775         (tree_ssa_dominator_optimize): No longer initialize CURRENT_DEF
8776         for each variable.  Do not allocate/free block_defs_stack either.
8777         Do not iterate if we just thread jumps.  Only iterate if the
8778         tree_cleanup_cfg does useful work (temporary).
8779         (dom_opt_initialize_block): No longer push a marker on
8780         BLOCK_DEFS_STACK.
8781         (dom_opt_finalize_block): Removal call to restore currdefs.
8782         Relax restrictions for recording edge equivalences.
8783         (record_equivalences_from_phis): No longer need to track
8784         CURRENT_DEF.
8785         (optimize_stmt): Similarly.
8786         (thread_across_edge): Simplify by removing the requirement that
8787         statements in the block we are threading through must be nops.
8788         (initialize_hash_element): Handle GOTO_EXPR.
8789
8790 2005-04-22  David S. Miller  <davem@davemloft.net>
8791
8792         * sched-vis.c (print_value): Use CONST_DOUBLE_LOW and
8793         CONST_DOUBLE_HIGH.
8794         * config/sparc/sparc.c (sparc_rtx_costs): Likewise, and
8795         fix check on CONST_DOUBLE mode.  It should be VOIDmode
8796         when it is representing an integer.
8797
8798 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
8799
8800         * builtins.c (gimplify_va_arg_expr): Reword comments to avoid
8801         'abort'. Use gcc_assert and gcc_unreachable as appropriate.
8802         * c-format.c (get_constant, decode_format_attr, get_flag_spec,
8803         find_char_info_specifier_index,
8804         find_length_info_modifier_index): Likewise.
8805         * c-typeck.c (composite_type, pop_init_level): Likewise.
8806         * combine.c (cant_combine_insn_p, try_combine): Likewise.
8807         * cse.c (cse_insn): Likewise
8808         * dominance.c (calc_dfs_tree): Likewise
8809         dwarf2out.c (loc_descriptor_from_tree_1,
8810         add_abstract_origin_attribute, force_decl_die,
8811         force_type_die): Likewise
8812         emit-rtl.c (operand_subword_force): Likewise
8813         explow.c (hard_function_value): Likewise
8814         expmed.c (store_bit_field, expand_divmod,
8815         emit_store_flag_force): Likewise
8816         expr.c (emit_move_multi_word, store_expr,
8817         expand_expr_real_1): Likewise
8818         final.c (this_is_asm_operands, shorten_branches, final_scan_insn,
8819         output_operand): Likewise
8820         flow.c (recompute_reg_usage): Likewise
8821         * function.c (assign_stack_temp_for_type, assign_temp,
8822         handle_epilogue_set): Likewise
8823         * genextract.c (main): Likewise
8824         * gimplify.c (mostly_copy_tree_r, gimplify_return_expr,
8825         gimplify_modify_expr_rhs, gimplify_expr): Likewise
8826         * haifa-sched.c (ready_lastpos, ready_remove_first, ready_element,
8827         ready_remove, rm_line_notes, rm_other_notes,
8828         schedule_block): Likewise
8829         mips-tfile.c (copy_object, out_of_bounds): Likewise
8830
8831 2005-04-22 David Edelsohn  <edelsohn@gnu.org>
8832
8833         PR target/20813
8834         * config/rs6000/default64.h (TARGET_DEFAULT): Add MASK_PPC_GFXOPT.
8835         * config/rs6000/rs6000.c (processor_target_table): Rename rs64a to
8836         rs64.  Add MASK_PPC_GFXOPT to powerpc64 and rs64.
8837         (rs6000_init_libfuncs): Set TFmode optabs to xlq names if
8838         TARGET_XL_COMPAT.
8839         * doc/invoke.texi (PowerPC options): Change rs64a to rs64.
8840
8841 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
8842
8843         * lambda-code.c: Define VEC(int,heap), VEC(lambda_loop,heap).
8844         (gcc_tree_to_linear_expression): Convert to heap allocated
8845         vectors.
8846         (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
8847         lbv_to_gcc_expression, lle_to_gcc_expression,
8848         lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest,
8849         perfect_nestify): Likewise.
8850         lambda.h (gcc_loopnest_to_lambda_loopnest,
8851         lambda_loopnest_to_gcc_loopnest): Likewise.
8852         tree-loop-linear.c (linear_transform_loops): Likewise.
8853
8854 2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
8855
8856         * config/sparc/predicates.md (arith_double_operand): Use
8857         trunc_int_for_mode if HOST_BITS_PER_WIDE_INT >=64.
8858         * config/sparc/sparc.md (movqi, movhi, movsi, movqi): Use gen_int_mode.
8859         (DImode, DFmode constant splitters): Likewise.  Remove code for
8860         TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT < 64.
8861         (logical constant splitters): Use const_int_operand predicate.
8862         (lshrsi3_extend): Remove code for TARGET_ARCH64 &&
8863         HOST_BITS_PER_WIDE_INT < 64.
8864
8865 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
8866
8867         * config/pa/pa.c (legitimize_pic_address): Use gcc_assert and
8868         gcc_unreachable as appropriate.
8869         (force_mode, emit_move_sequence, singlemove_string,
8870         output_move_double, output_fp_move_double, find_addr_reg,
8871         output_block_move, output_block_clear, output_and,
8872         output_64bit_and, output_ior, output_64bit_ior, store_reg_modify,
8873         pa_adjust_cost, pa_issue_rate, print_operand,
8874         output_global_address, output_arg_descriptor, output_cbranch,
8875         output_lbranch, output_bb, output_bvb, output_dbra, output_movb,
8876         output_call): Likewise.
8877         * config/pa/pa.md (call, call_value, sibcall, sibcall_value,
8878         prefetch, prefetch_cc, prefetch_nocc): Likewise.
8879
8880 2005-04-22  Zdenek Dvorak  <dvorakz@suse.cz>
8881
8882         * Makefile.in (LIBGCOV): Add _gcov_interval_profiler,
8883         _gcov_pow2_profiler and _gcov_one_value_profiler.
8884         (tree-profile.o): Add GGC_H and gt-tree-profile.h dependency.
8885         (GTFILES): Add $(srcdir)/tree-profile.c.
8886         * gcov-io.h (__gcov_interval_profiler, __gcov_pow2_profiler,
8887         __gcov_one_value_profiler): Declare.
8888         * gimplify.c (force_gimple_operand): Check whether the statements
8889         should be produced in ssa form.
8890         (force_gimple_operand_bsi): New function.
8891         * libgcov.c (__gcov_interval_profiler, __gcov_pow2_profiler,
8892         __gcov_one_value_profiler): New functions.
8893         * rtl-profile.c (rtl_gen_pow2_profiler): Only measure whether
8894         the profiled value is a power of two or not.
8895         * tree-cfg.c (tree_block_ends_with_condjump_p): Handle empty blocks.
8896         * tree-flow.h (in_ssa_p): Declare.
8897         (force_gimple_operand_bsi): Declare.
8898         * tree-into-ssa.c (in_ssa_p): New variable.
8899         (rewrite_into_ssa): Set in_ssa_p.
8900         * tree-outof-ssa.c (rewrite_out_of_ssa): Set in_ssa_p.
8901         * tree-profile.c: Include ggc.h and gt-tree-profile.h.
8902         (gcov_type_node, tree_interval_profiler_fn, tree_pow2_profiler_fn,
8903         tree_one_value_profiler_fn): New variables.
8904         (tree_init_edge_profiler): Initialize the profiler function decls.
8905         (tree_gen_edge_profiler): Use global gcov_type_node.
8906         (prepare_instrumented_value): New function.
8907         (tree_gen_interval_profiler, tree_gen_interval_profiler,
8908         tree_gen_one_value_profiler): Call the library functions instead of
8909         creating instrumentation code.
8910         * tree.c (build_fn_decl): New function.
8911         * tree.h (build_fn_decl): Declare.
8912         * value-prof.c (rtl_divmod_values_to_profile,
8913         rtl_find_values_to_profile, rtl_mod_pow2_value_transform,
8914         tree_mod_pow2_value_transform, tree_find_values_to_profile):
8915         Do not handle may_be_other and precise values of exponents at pow2
8916         profiler.
8917         (tree_mod_subtract_transform): Reflect that value field of
8918         histogram has changed meaning.
8919         (tree_divmod_values_to_profile): Record the values correctly.
8920         (tree_values_to_profile): Update comment.
8921         * value-prof.h (struct histogram_value_t): Remove pow2 data.
8922
8923 2005-04-22  Joseph S. Myers  <joseph@codesourcery.com>
8924
8925         * varasm.c (do_assemble_alias): Return early if TREE_ASM_WRITTEN
8926         (decl).
8927
8928 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
8929
8930         * config/i386/i386.md (length_immediate): Use gcc_assert or
8931         gcc_unreachable, as appropriate.
8932         (*movsi_1, *movqi_1, reload_outqi, *movdi_1_rex64, *pushsf,
8933         *pushsf_rex64, *truncxfsf2_mixed, *truncxfsf2_i387,
8934         *truncxfdf2_mixed, *truncxfdf2_i387, *adddi_1_rex64,
8935         *adddi_2_rex64, *adddi_3_rex64, *adddi_4_rex64, *adddi_5_rex64,
8936         *addsi_1, addsi_1_zext, *addsi_2, *addsi_2_zext, *addsi_3,
8937         *addsi_3_zext, *addsi_4, *addsi_5, *addhi_1_lea, *addhi_1,
8938         *addhi_2, *addhi_3, *addhi_4, *addhi_5, *addqi_1_lea, *addqi_1,
8939         *addqi_1_slp, *addqi_2, *addqi_3, *addqi_4, *addqi_5, addqi_ext_1,
8940         *addqi_ext_1_rex64, *anddi_1_rex64, *andsi_1, *andhi_1,
8941         *ashldi3_1_rex64, *ashldi3_cmp_rex64, *ashlsi3_1, *ashlsi3_1_zext,
8942         *ashlsi3_cmp, *ashlsi3_cmp_zext, *ashlhi3_1_lea, *ashlhi3_1,
8943         *ashlhi3_cmp, *ashlqi3_1_lea, *ashlqi3_1, *ashlqi3_cmp,
8944         pro_epilogue_adjust_stack_1, pro_epilogue_adjust_stack_rex64,
8945         pro_epilogue_adjust_stack_rex64_2, prefetch, *prefetch_sse,
8946         *prefetch_sse_rex): Likewise.
8947         * config/i386/predicates.md (x86_64_immediate_operand,
8948         x86_64_zext_immediate_operand, symbolic_operand,
8949         no_seg_address_operand, aligned_operand,
8950         memory_displacement_operand): Likewise.
8951         * config/i386/sse.md (*mov<mode>_internal,
8952         *movv2df_internal): Likewise.
8953
8954 2005-04-22  Jan Hubicka  <jh@suse.cz>
8955
8956         * Makefile.in (ipa.o, ipa-inline.o): New files.
8957         * cgraph.h (cgraph_remove_unreachable_nodes, cgraph_postorder,
8958         cgraph_decide_inlining_incrementally, cgraph_clone_inlined_nodes,
8959         cgraph_mark_inline_edge, cgraph_default_inline_p): Declare.
8960         * cgraphunit.c (cgraph_default_inline_p,
8961         cgraph_decide_inlining_incrementally,  ncalls_inlined,
8962         nfunctions_inlined, initial_insns, overall_insns,
8963         cgraph_estimate_size_after_inlining, cgraph_estimate_growth,
8964         cgraph_clone_inlined_nodes, cgraph_mark_inline_edge,
8965         cgraph_mark_inline, cgraph_check_inline_limits,
8966         cgraph_default_inline_p, cgraph_recursive_inlining_p,
8967         update_callee_keys, lookup_recursive_calls,
8968         cgraph_decide_recursive_inlining, cgraph_set_inline_failed,
8969         cgraph_decide_inlining_of_small_functions, cgraph_decide_inlining,
8970         cgraph_decide_inlining_incrementally, cgraph_gate_inlining,
8971         pass_ipa_inline): Move to ipa-inline.c
8972         (cgraph_postorder, cgraph_remove_unreachable_nodes): Move to ipa.c
8973         * ipa.c: New file.
8974         * ipa-inline.c: New file.
8975
8976 2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
8977
8978         * doc/invoke.texi (SPARC options): Document that -mapp-regs
8979         is turned off by default on Solaris.
8980
8981 2005-04-21  Roger Sayle  <roger@eyesopen.com>
8982
8983         * c-common.h (objc_build_method_signature): Update prototype.
8984         * stub-objc.c (objc_build_method_signature): Update the stub
8985         implementation to accept and ignore additional parameter.
8986         * c-parser.c (c_parser_objc_method_decl): Reorgnize to pass
8987         the value of ellipsis to objc_build_method_signature instead
8988         of setting TREE_OVERFLOW on the parms TREE_LIST node.
8989
8990 2005-04-21  Geoffrey Keating  <geoffk@apple.com>
8991
8992         * config/rs6000/rs6000-protos.h (rs6000_emit_sync): New.
8993         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Use
8994         gen_rtx_* not gen_rtx_fmt_*.
8995         (rs6000_emit_vector_select): Likewise.
8996         (rs6000_emit_sync): New.
8997         * config/rs6000/rs6000.md (GPR, INT, INT1): New mode macros.
8998         (larx, stcx, cmp): New mode substitutions.
8999         (UNSPEC_SYNC, UNSPEC_SYNC_OP, UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC,
9000         UNSPEC_ISYNC): New constants.
9001         (rlwinm): Give name.
9002         (memory_barrier, isync, lwsync): New insns.
9003         (sync_compare_and_swap<mode>, sync_lock_test_and_set<mode>): New insn.
9004         (sync_lock_release<mode>): New expander.
9005         (sync_add<mode>, sync_sub<mode>, sync_ior<mode>, sync_and<mode>,
9006         sync_xor<mode>, sync_nand<mode>, sync_old_add<mode>,
9007         sync_old_sub<mode>, sync_old_ior<mode>, sync_old_and<mode>,
9008         sync_old_xor<mode>, sync_old_nand<mode>, sync_new_add<mode>,
9009         sync_new_sub<mode>, sync_new_ior<mode>, sync_new_and<mode>,
9010         sync_new_xor<mode>, sync_new_nand<mode>): New expanders.
9011         (sync_add<mode>_internal, sync_addshort_internal,
9012         sync_sub<mode>_internal, sync_andsi_internal, sync_anddi_internal,
9013         sync_boolsi_internal, sync_booldi_internal, sync_boolc<mode>_internal,
9014         sync_boolc<mode>_internal2, sync_boolcc<mode>_internal): New insns.
9015
9016         * doc/md.texi (Standard Names): sync_compare_and_swap's operand 0
9017         is the memory before, not after, the operation.  Clarify
9018         barrier requirements.
9019
9020 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
9021
9022         * cfghooks.h (struct cfg_hooks): Reword comments to avoid 'abort'.
9023         * lambda.h (lambda_vector_min_nz): Likewise.
9024         * langhooks.h (struct lang_hooks_for_types,
9025         struct lang_hooks): Likewise.
9026         * output.h (assemble_integer, this_is_asm_operands): Likewise.
9027         * tree.h: Likewise.
9028         * vec.h: Likewise.
9029         * tree-flow-inline.h (relink_imm_use): Use gcc_assert.
9030
9031         * optabs.c (prepare_cmp_insn, emit_cmp_and_jump_insns): Reword
9032         comments to avoid 'abort'.  Use gcc_assert as necessary.
9033         * opts.c (common_handle_option): Likewise.
9034         * pretty-print.c (pp_base_format_text): Likewise.
9035         * print-rtl.c (print_rtx): Likewise.
9036         * read-rtl.c (read_rtx_filename, read_rtx_1): Likewise.
9037         * regmove.c (try_auto_increment): Likewise.
9038         * reload.c (find_valid_class, find_reloads_toplev,
9039         find_equiv_reg): Likewise.
9040         * reload1.c (reload, forget_old_reloads_1, function_invariant_p,
9041         merge_assigned_reloads): Likewise.
9042         * tree-inline.c (inline_forbidden_p_1,
9043         estimate_num_insns_1): Likewise.
9044         * tree-optimize.c (execute_todo): Likewise.
9045         * tree-outof-ssa.c (eliminate_phi): Likewise.
9046         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
9047         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Likewise.
9048         * tree-ssa-operands.c (parse_ssa_operands,
9049         get_indirect_ref_operands, create_ssa_artficial_load_stmt): Likewise.
9050         * tree-ssa-pre.c (find_or_generate_expression): Likewise.
9051         * tree-ssanames.c (release_ssa_name): Likewise.
9052         * tree.c (int_bit_position, int_byte_position, tree_low_cst,
9053         walk_tree): Likewise.
9054
9055         * tree-ssa-operands.c (verify_abort): Fold into ..
9056         (verify_imm_links): ... here.
9057
9058 2005-04-21  Richard Henderson  <rth@redhat.com>
9059
9060         * config/alpha/sync.md (sync_new_nand<I48MODE>): Fix constraints
9061         on non-memory operand for previous inversion.
9062
9063 2005-04-21  Devang Patel  <dpatel@apple.com>
9064
9065         PR optimization/20994
9066         * tree-if-conv.c (find_phi_replacement_condition): Avoid generating
9067         x = !(a == b) : p , q;.
9068         (pass_if_conversion): Verify stmts and flow.
9069
9070 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
9071
9072         * optabs.c (gen_conditional_trap): Restore #define.
9073
9074         * alias.c (true_dependence): Remove 'abort' from comments. Use
9075         gcc_assert and gcc_unreachable as appropriate.
9076         (canon_true_dependence): Likewise.
9077         * bb-reorder.c (connect_traces): Likewise.
9078         * c-common.c (c_add_case_label): Likewise.
9079         * c-decl.c (finish_function): Likewise.
9080         * caller-save.c (insert_restore, insert_save): Likewise.
9081         * cfg.c (update_bb_profile_for_threading): Likewise.
9082         * cfganal.c (flow_active_insn_p): Likewise.
9083         * cfgexpand.c (add_reg_br_prob_note): Likewise.
9084         * cfgrtl.c (rtl_redirect_edge_and_branch_force, rtl_split_edge,
9085         cfg_layout_merge_blocks): Likewise.
9086         * ifcvt.c (cond_exec_process_insns, merge_if_block,
9087         find_if_block): Likewise.
9088         * integrate.c (allocate_initial_values): Likewise.
9089         * jump.c (reverse_condition, reverse_condition_maybe_unordered,
9090         swap_condition, unsigned_condition, signed_condition,
9091         mark_jump_label, invert_jump_1, rtx_renumbered_equal_p,
9092         reg_or_subregno): Likewise.
9093         * lambda-code.c (lambda_compute_auxillary_space,
9094         lambda_transform_legal_p): Likewise.
9095         * lambda-mat.c (lambda_matrix_inverse_hard): Likewise.
9096         * langhooks.c (lhd_set_decl_assembler_name, lhd_type_promotes_to,
9097         lhd_incomplete_type_error, lhd_expand_expr,
9098         lhd_types_compatible_p, lhd_tree_size): Likewise.
9099         * lcm.c (create_pre_exit, optimize_mode_switching): Likewise.
9100         * local-alloc.c (update_equiv_regs): Likewise.
9101         * loop-unroll.c (peel_loop_completely
9102         unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
9103         peel_loop_simple, unroll_loop_stupid,
9104         analyze_iv_to_split_insn): Likewise.
9105         * loop.c (gen_prefetch, find_and_verify_loops,
9106         basic_induction_var): Likewise.
9107         * modulo-sched.c (normalize_sched_times, check_nodes_order): Likewise.
9108         * value-prof.c (tree_find_values_to_profile): Likewise.
9109         * varasm.c (named_section, default_assemble_integer,
9110         decode_addr_const): Likewise.
9111
9112 2005-04-21 Alan Modra  <amodra@bigpond.net.au>
9113            Fariborz Jahanian <fjahanian@apple.com>
9114
9115         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Fix size of
9116         portion of argument passed in fpr.
9117         * expr.c (emit_push_insn): Fix computation of 'offset' used to
9118         decide on partial argument save on stack.
9119
9120 2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
9121
9122         * config/sparc/predicates.md, config/sparc/sparc.md: Fix
9123         comment typos.
9124
9125 2005-04-21  Jan Hubicka  <jh@suse.cz>
9126
9127         * cgraphunit.c: Include tree-pass.h
9128         (cgraph_decide_recursive_inlining,
9129         cgraph_decide_inlining_of_small_function, cgraph_set_inline_failed,
9130         cgraph_decide_inlining): Dump goes to dump_file.
9131         (cgraph_optimize): Call ipa passes instead of inliner.
9132         (cgraph_gate_inlining, pass_ipa_inline): New.
9133         * tree-optimize.c (all_ipa_passes): New static variable.
9134         (register_one_dump_file): Dead with IPA passes.
9135         (register_dump_files): Likewise.
9136         (init_tree_optimization_passes): Initialize IPA passes.
9137         (execute_todo): Do cgraph dump when asked to, do not dump function body
9138         for IPA pass.
9139         * tree-pass.h (TODO_dump_cgraph): New macro.
9140         (ipa_passes): Declare.
9141         * Makefile.in (cgraphunit.o): Add dependency on cgraphunit.h
9142
9143 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
9144
9145         * config/i386/i386.c (type_natural_mode): Use gcc_unreachable and
9146         gcc_assert instead of abort.
9147         (classify_argument, examine_argument, construct_container,
9148         contains_128bit_aligned_vector_p, ix86_check_movabs,
9149         standard_80387_constant_opcode, standard_80387_constant_rtx,
9150         ix86_initial_elimination_offset, ix86_compute_frame_layout,
9151         pro_epilogue_adjust_stack, ix86_expand_epilogue,
9152         ix86_address_cost, legitimate_address_p, legitimize_pic_address,
9153         legitimize_tls_address, output_pic_addr_const,
9154         i386_output_dwarf_dtprel, put_condition_code, print_reg,
9155         get_some_local_dynamic_name, print_operand, print_operand_address,
9156         output_387_binary_op, emit_i387_cw_initialization,
9157         output_fix_trunc, output_fp_compare, ix86_output_addr_vec_elt,
9158         ix86_expand_clear, ix86_expand_binary_operator,
9159         ix86_expand_unary_operator, ix86_match_ccmode, ix86_cc_mode,
9160         ix86_cc_modes_compatible, ix86_fp_comparison_codes,
9161         ix86_fp_comparison_arithmetics_cost, ix86_expand_fp_compare,
9162         ix86_expand_branch, ix86_expand_setcc,
9163         ix86_expand_carry_flag_compare, ix86_expand_fp_movcc,
9164         ix86_expand_int_addcc, ix86_split_to_parts, ix86_split_long_move,
9165         ix86_expand_movmem, ix86_expand_call, assign_386_stack_local,
9166         memory_address_length, ix86_attr_length_immediate_default,
9167         ix86_attr_length_address_default, ix86_agi_dependant,
9168         x86_initialize_trampoline, ix86_init_mmx_sse_builtins,
9169         ix86_expand_binop_builtin, ix86_force_to_memory,
9170         ix86_secondary_memory_needed, ix86_avoid_jump_misspredicts,
9171         x86_emit_floatuns): Likewise.
9172         * config/i386/netware.c (gen_regparm_prefix,
9173         i386_nlm_strip_name_encoding): Likewise.
9174         * config/i386/winnt.c (i386_pe_mark_dllexport): Likewise.
9175
9176 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
9177
9178         * optabs.c (gen_condiational_trap): Remove #define.
9179         (add_equal_note): Assertify. Remove explicit indirection from
9180         call via function pointer.
9181         (expand_ternary_op, expand_simple_binop, expand_binop,
9182         expand_twoval_unop, expand_twoval_binop,
9183         expand_twoval_binop_libfunc, expand_simple_unop expand_unop,
9184         emit_unop_insn,  emit_no_conflict_block,  prepare_cmp_insn,
9185         prepare_operand emit_cmp_and_jump_insn_1, emit_cmp_and_jump_insns,
9186         prepare_float_lib_cmp, emit_conditional_move,
9187         emit_conditional_add, gen_add2_insn, gen_add3_insn,
9188         have_add2_insn, gen_sub2_insn, gen_sub3_insn, have_sub2_insn,
9189         expand_float, expand_fix, debug_optab_libfuncs, gen_cond_trap,
9190         vector_compare_rtx, expand_vec_cond_expr): Likewise.
9191
9192 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
9193
9194         * vec.h: Update API to separate allocation mechanism from type.
9195         (VEC_safe_grow): New.
9196         * vec.c (calculate_allocation): New.
9197         (vec_gc_o_reserve, vec_heap_o_reserve): Adjust.
9198         (vec_gc_free, vec_heap_free): Remove.
9199         * gengtype-lex.l (DEF_VEC_): Process mult-argument macros.  Adjust.
9200         (VEC): Likewise.
9201         (mangle_macro_name): New.
9202         (struct macro_def): New.
9203         (struct macro): Add multiple argument values.
9204         (macro_expans_end): New.
9205         (push_macro_expansion):  Chain on new macro. Process multiple
9206         args, create follow on expansion. Return follow on argument.
9207         (macro_input): Deal with multiple arguments.
9208
9209         * tree.h: Define VEC(tree,heap) and VEC(tree,gc).
9210         (struct tree_binfo): Adjust.
9211         * basic-block.h: Define VEC(edge,gc).
9212         (struct edge_def): Adjust.
9213         (struct basic_block_def, struct edge_iterator): Likewise.
9214         (ei_container, ei_start_1, ei_last_1): Likewise.
9215         * cfg.c (connect_src, connect_dest): Likewise.
9216         * cfgrtl.c (force_nonfallthru_and_redirect)
9217         * dbxout.c (dbxout_type)
9218         * dwarf2out.c (gen_member_die)
9219         * lambda-code.c: Define VEC(int,gc), VEC(lambda_loop,gc).
9220         (gcc_tree_to_linear_expression): Adjust.
9221         (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
9222         lbv_to_gcc_expression, lle_to_gcc_expression,
9223         lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest,
9224         perfect_nestify): Likewise.
9225         * lambda.h (gcc_loopnest_to_lambda_loopnest,
9226         lambda_loopnest_to_gcc_loopnest): Adjust prototypes.
9227         * profile.c (instrument_values): Adjust.
9228         * tree-cfg.c (modified_noreturn_calls): Adjust.
9229         (remove_fallthru_edge): Likewise.
9230         * tree-dump.c (dequeue_and_dump): Adjust.
9231         * tree-flow-inline.h (mark_stmt_modified): Adjust.
9232         * tree-flow.h (modified_noreturn_calls): Adjust.
9233         (tree_on_heap): Remove. (yay!)
9234         (register_new_def): Adjust.
9235         * tree-into-ssa.c: Define VEC(int,heap).
9236         (block_defs_stack): Adjust.
9237         (find_idf, insert_phi_nodes, register_new_def,
9238         rewrite_initialize_block, rewrite_finalize_block,
9239         register_new_update_single, rewrite_update_init_block,
9240         rewrite_update_fini_block, rewrite_blocks,
9241         ssa_rewrite_finalize_block, ssa_register_new_def,
9242         ssa_rewrite_initialize_block, rewrite_ssa_into_ssa): Likewise.
9243         * tree-loop-linear.c (linear_transform_loops): Adjust.
9244         * tree-ssa-alias.c: Define VEC(fieldoff_t,heap).
9245         (push_fields_onto_fieldstack, create_overlap_variables_for): Adjust.
9246         * tree-ssa-dom.c (avail_exprs_stack, block_defs_stack,
9247         stmts_to_rescan, const_and_copies_stack, nonzero_vars_stack,
9248         vrp_variables_stack): Adjust declarations.
9249         (tree_ssa_dominator_optimize): Adjust.
9250         (dom_opt_initialize_block, remove_local_expressions_from_table,
9251         restore_nonzero_vars_to_original_value,
9252         restore_vars_to_original_value,
9253         restore_currdefs_to_original_value, dom_opt_finalize_block,
9254         record_var_is_nonzero, record_cond, record_const_or_copy_1,
9255         optimize_stmt, update_rhs_and_lookup_avail_expr,
9256         lookup_avail_expr, record_range): Likewise.
9257         * tree-ssa-pre.c: Define VEC(basic_block,heap).
9258         (compute_antic_aux): Adjust.
9259         (inserted_exprs, create_expression_by_pieces,
9260         insert_into_preds_of_block, eliminate, mark_operand_necessary,
9261         remove_dead_inserted_code, fini_pre): Likewise.
9262         * tree-ssa-propagate.c (interesting_ssa_edges): Adjust.
9263         (varying_ssa_edges, add_ssa_edge, process_ssa_edge_worklist.
9264         ssa_prop_init): Likewise.
9265         * tree-ssa.c: Define VEC(bitmap,heap).
9266         (verify_name_tags): Adjust.
9267         * value-prof.c (rtl_divmod_values_to_profile): Adjust.
9268         (insn_prefetch_values_to_profile, rtl_find_values_to_profile,
9269         tree_divmod_values_to_profile, tree_find_values_to_profile,
9270         value_profile_transformations): Likewise.
9271         * value-prof.h: Define VEC(histogram_value,heap).
9272         * varasm.c: Remove alias_pair pointer typedef, define
9273         VEC(alias_pair,gc).
9274         (finish_aliases_1, finish_aliases_2, assemble_alias): Adjust.
9275
9276         * config/pa/pa.c (typedef extern_symbol): Typedef the structure,
9277         not a pointer to it.  Create an object vector.
9278         (extern_symbols): Turn into an object vector.
9279         (pa_hpux_asm_output_external, pa_hpux_file_end): Adjust.
9280
9281 2005-04-21  Sebastian Pop  <pop@cri.ensmp.fr>
9282
9283         PR/20742
9284         * Makefile.in (tree-chrec.o): Depend on params.h.
9285         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): New parameter with
9286         default value 20.
9287         * tree-chrec.c: Depend on params.h.  Replace build with buildN,
9288         and fold build with fold_buildN.
9289         (chrec_fold_plus_1): Fail with a chrec_don_know when the size of
9290         the expression exceeds PARAM_SCEV_MAX_EXPR_SIZE.
9291         (tree_contains_chrecs): Compute an estimation of the size of the
9292         given expression.
9293         * tree-chrec.h (tree_contains_chrecs): Modify its declaration.
9294         (tree_does_not_contain_chrecs): Update the use of tree_contains_chrecs.
9295         * tree-scalar-evolution.c (simple_iv): Ditto.
9296         * doc/invoke.texi (scev-max-expr-size): Documented.
9297
9298 2005-04-21  Richard Sandiford  <rsandifo@redhat.com>
9299
9300         * config.gcc (*-*-darwin*): Add darwin.opt to $extra_options.
9301         (i[34567]86-pc-msdosdjgpp*): Likewise i386/djgpp.opt.
9302         (i[34567]86-*-lynxos*, powerpc-*-lynxos*): Likewise lynx.opt.
9303         (i[34567]86-*-sco3.2v5*): Likewise i386/sco5.opt.
9304         (i[34567]86-*-pe, i[34567]86-*-cygwin*, i[34567]86-*-mingw32*)
9305         (i[34567]86-*-uwin*): Likewise i386/cygming.opt.
9306         * config/darwin.h (darwin_one_byte_bool, darwin_fix_and_continue)
9307         (darwin_fix_and_continue_switch, SUBTARGET_OPTIONS): Delete.
9308         * config/darwin.c (darwin_one_byte_bool, darwin_fix_and_continue)
9309         (darwin_fix_and_continue_switch): Delete.
9310         * config/lynx.h (SUBTARGET_OS_LYNX_SWITCHES): Delete.
9311         (SUBTARGET_SWITCHES): Delete.
9312         * config/i386/i386.h (target_flags, MASK_80387, MASK_RTD)
9313         (MASK_ALIGN_DOUBLE, MASK_SVR3_SHLIB, MASK_IEEE_FP, MASK_FLOAT_RETURNS)
9314         (MASK_NO_FANCY_MATH_387, MASK_OMIT_LEAF_FRAME_POINTER)
9315         (MASK_STACK_PROBE, MASK_NO_ALIGN_STROPS, MASK_INLINE_ALL_STROPS)
9316         (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS, MASK_MMX)
9317         (MASK_SSE, MASK_SSE2, MASK_SSE3, MASK_3DNOW, MASK_3DNOW_A)
9318         (MASK_128BIT_LONG_DOUBLE, MASK_64BIT, MASK_MS_BITFIELD_LAYOUT)
9319         (MASK_TLS_DIRECT_SEG_REFS, MASK_NO_RED_ZONE, TARGET_80387)
9320         (TARGET_RTD, TARGET_ALIGN_DOUBLE, TARGET_PUSH_ARGS)
9321         (TARGET_ACCUMULATE_OUTGOING_ARGS, TARGET_SVR3_SHLIB, TARGET_IEEE_FP)
9322         (TARGET_128BIT_LONG_DOUBLE, TARGET_NO_FANCY_MATH_387)
9323         (TARGET_USE_FANCY_MATH_387, TARGET_OMIT_LEAF_FRAME_POINTER)
9324         (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Delete.
9325         (TARGET_FLOAT_RETURNS_IN_80387): Make an alias of TARGET_FLOAT_RETURNS.
9326         (TARGET_64BIT): Undef before redefining.
9327         (TARGET_TLS_DIRECT_SEG_REFS, TARGET_STACK_PROBE)
9328         (TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS, TARGET_SSE)
9329         (TARGET_SSE2, TARGET_SSE3, TARGET_MMX, TARGET_3DNOW, TARGET_3DNOW_A)
9330         (TARGET_RED_ZONE, TARGET_USE_MS_BITFIELD_LAYOUT, TARGET_SWITCHES)
9331         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS)
9332         (ix86_fpmath_string, ix86_tls_dialect_string, ix86_cmodel_string)
9333         (ix86_asm_string, ix86_regparm, ix86_regparm_string)
9334         (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
9335         (ix86_debug_arg_string, ix86_debug_addr_string)
9336         (ix86_align_loops_string, ix86_align_jumps_string)
9337         (ix86_align_funcs_string): Delete.
9338         * config/i386/cygming.h (MASK_NOP_FUN_DLLIMPORT)
9339         (TARGET_NOP_FUN_DLLIMPORT, SUBTARGET_SWITCHES): Delete.
9340         * config/i386/djgpp.h (MASK_BNU210, SUBTARGET_SWITCHES): Delete.
9341         (SUBTARGET_OVERRIDE_OPTIONS): Check TARGET_BNU210.
9342         * config/i386/lynx.h (SUBTARGET_SWITCHES): Delete.
9343         * config/i386/sco5.h (MASK_COFF, TARGET_ELF)
9344         (SUBTARGET_SWITCHES): Delete.
9345         * config/i386/i386.c (ix86_debug_arg_string): Delete.
9346         (ix86_debug_addr_string): Delete.
9347         (ix86_cmodel_string, ix86_asm_string, ix86_tls_dialect_string)
9348         (ix86_fpmath_string, ix86_regparm_string, ix86_regparm)
9349         (ix86_align_loops_string, ix86_align_jumps_string)
9350         (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
9351         (ix86_align_funcs_string): Make static.
9352         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
9353         (ix86_handle_option): New function.
9354         (TARGET_USE_MS_BITFIELD_LAYOUT): Delete.
9355         (ix86_ms_bitfield_layout_p): Check TARGET_MS_BITFIELD_LAYOUT.
9356         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove handling
9357         of darwin_fix_and_continue_switch.
9358         (darwin_one_byte_bool): Delete.
9359         * config/rs6000/lynx.h (EXTRA_SUBTARGET_SWITCHES): Delete.
9360         * config/rs6000/rs6000.c (rs6000_override_options): Update assignment
9361         to darwin_one_byte_bool.
9362         * config/darwin.opt, config/lynx.opt, config/i386/cygming.opt,
9363         * config/i386/djgpp.opt, config/i386/i386.opt,
9364         * config/i386/sco5.opt: New files.
9365
9366 2005-04-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
9367
9368         * config/sparc/sparc.c (reg_or_0_operand, const1_operand,
9369         fp_zero_operand, fp_register_operand, intreg_operand,
9370         fcc_reg_operand, fcc0_reg_operand, icc_or_fcc_reg_operand,
9371         call_operand, call_operand_address, tgd_symbolic_operand,
9372         tld_symbolic_operand, tie_symbolic_operand, tle_symbolic_operand,
9373         symbolic_operand, symbolic_memory_operand, label_ref_operand,
9374         sp64_medium_pic_operand, data_segment_operand,
9375         text_segment_operand, splittable_symbolic_memory_operand,
9376         reg_or_nonsymb_mem_operand, splittable_immediate_memory_operand,
9377         eq_or_neq, normal_comp_operator, noov_compare_op,
9378         noov_compare64_op, v9_regcmp_op, extend_op, cc_arithop,
9379         cc_arithopn, arith_operand, arith_4096_operand, arith_add_operand,
9380         const64_operand, const64_high_operand, arith11_operand,
9381         arith10_operand, arith_double_operand, arith_double_4096_operand,
9382         arith_double_add_operand, arith11_double_operand,
9383         arith10_double_operand, small_int, small_int_or_double,
9384         uns_small_int, uns_arith_operand, clobbered_register,
9385         input_operand, compare_operand): Delete.
9386         (sparc_emit_set_const32): Use predicates in assertion.  Remove special
9387         code for TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT != 64.
9388         (sparc_emit_set_const64): Call gcc_unreachable if H_B_P_W_I == 32.
9389         (GEN_HIGHINT64, GEN_INT64): Delete.
9390         (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
9391         gen_safe_XOR64): Adjust for above deletion.
9392         (sparc_emit_set_const64): Support only H_B_P_W_I == 64 and CONST_INTs.
9393         Use 'unsigned HOST_WIDE_INT' instead of 'long' for bitmask.
9394         (legitimate_constant_p): Use const_zero_operand instead.
9395         (sparc_extra_constraint_check): Likewise.
9396         * config/sparc/sparc.h (CONST_DOUBLE_OK_FOR_LETTER_P): Remove 'O'.
9397         (PREFERRED_RELOAD_CLASS): Use const_zero_operand.
9398         (PREDICATE_CODES): Delete.
9399         * config/sparc/sparc.md: Include predicates.md.
9400         (All patterns): Adjust for new predicate names.
9401         (cmpdi, cmpdi_sp64): Use arith_operand predicate.
9402         (movhi_const64_special, movsi_const64_special): Add 'K' constraint.
9403         (movdi): Use general_operand predicate.
9404         (movdi_sp64_dbl): Delete.
9405         (movdi_const64_special): Add 'N' constraint.
9406         (movdicc): Use arith10_operand predicate.
9407         (movdi_cc_sp64, movdi_cc_sp64_trunc): Use arith11_operand predicate.
9408         (movdi_cc_reg_sp64): Use arith10_operand predicate.
9409         (movdi_cc_reg_sp64_trunc): Delete.
9410         (cmp_zero_extract, cmp_zero_extract_sp64): Use small_int_operand.
9411         (adddi3_sp64, cmp_ccx_plus, cmp_ccx_plus_set): Use arith_operand.
9412         (subdi3_sp32): Delete.
9413         (subdi3_insn_sp32): Change to define_insn_and_split.
9414         (subdi3_sp64, cmp_minus_ccx, cmp_minus_ccx_set): Use arith_operand.
9415         (muldi3, muldi3_sp64, muldi3_v8plus): Likewise.
9416         (smulsi3_highpart_v8plus, const_smulsi3_highpart_v8plus,
9417         umulsi3_highpart_v8plus, const_umulsi3_highpart_v8plus): Use
9418         small_int_operand predicate.
9419         (divdi3, udivdi3): Use arith_operand predicate.
9420         (udivsi3, udivsi3_sp32, udivsi3_sp64): Use nonimmediate_operand.
9421         (and<V64I>3_sp64, ior<V64I>3_sp64, xor<V64I:mode>3_sp64,
9422         xor_not_<V64I:mode>_sp64) : Use arith_operand predicate.
9423         (xordi3_sp64_dbl): Delete.
9424         (cmp_ccx_arith_op, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
9425         cmp_ccx_xor_not_set, cmp_ccx_arith_op_not, cmp_ccx_arith_op_not_set,
9426         cmp_ccx_neg, cmp_ccx_set_neg, one_cmpl<V64I>2_sp64, cmp_ccx_not,
9427         cmp_ccx_set_not): Use arith_operand predicate.
9428         (ashrsi3_extend2, lshrsi3_extend2 et al.): Use small_int_operand.
9429         * config/sparc/predicates.md: New file.
9430
9431 2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
9432
9433         PR tree-optimization/14846
9434         * fold-const.c (fold_single_bit_test_into_sign_test): New,
9435         split out from ...
9436         (fold_single_bit_test): ... here.
9437         (fold_binary): Call fold_single_bit_test_into_sign_test
9438         instead of fold_single_bit_test.
9439
9440 2005-04-20  James E Wilson  <wilson@specifixinc.com>
9441
9442         PR c++/20805
9443         * dwarf2out.c (gen_variable_die): Don't emit a specification if this
9444         is another declaration.
9445
9446 2005-04-21  Hans-Peter Nilsson  <hp@axis.com>
9447
9448         * config/cris/predicates.md: New file.
9449         * config/cris/cris-protos.h (cris_store_multiple_op_p)
9450         (cris_movem_load_rest_p): Declare.
9451         * config/cris/cris.c (cris_store_multiple_op): Return bool, not int.
9452         (cris_movem_load_rest_p): Ditto.  Globalize.
9453         (cris_bdap_operand, cris_bdap_biap_operand,
9454         cris_orthogonal_operator, cris_commutative_orth_op,
9455         cris_operand_extend_operator,
9456         cris_additive_operand_extend_operator, cris_extend_operator,
9457         cris_plus_or_bound_operator, cris_mem_op,
9458         cris_general_operand_or_symbol,
9459         cris_general_operand_or_gotless_symbol,
9460         cris_general_operand_or_plt_symbol, cris_mem_call_operand,
9461         cris_load_multiple_op): Remove predicate functions.
9462         (cris_symbol, cris_gotless_symbol) <case UNSPEC>: Return 0, don't
9463         abort, for UNSPECs other than CRIS_UNSPEC_PLT.
9464         * config/cris/cris.h (PREDICATE_CODES): Don't define.
9465         * config/cris/cris.md: Include predicates.md.
9466         ("call", "call_value"): Generate CONSTs of Pmode, not VOIDmode.
9467
9468 2005-04-20  Ian Lance Taylor  <ian@airs.com>
9469
9470         * c-common.def: Remove STMT_EXPR (moved to cp/cp-tree.def).
9471         * c-common.h (STMT_EXPR_STMT): Don't define.
9472         (STMT_EXPR_NO_SCOPE): Don't define.
9473         * c-dump.c (c_dump_tree): Don't handle STMT_EXPR.
9474         * c-pretty-print.c (pp_c_primary_expression): Likewise.
9475         (pp_c_expression): Likewise.
9476
9477 2005-04-20  Richard Henderson  <rth@redhat.com>
9478
9479         PR target/21100
9480         * config/i386/mmx.md (push<MMXMODE>1): Fix predicate thinko.
9481
9482 2005-04-20  Jeff Law  <law@redhat.com>
9483
9484         * reload1.c (reload): Ignore equivalences between pseudos and
9485         read only memory.
9486
9487 2005-04-20  Joseph S. Myers  <joseph@codesourcery.com>
9488
9489         PR c/12913
9490         * c-tree.h (struct c_label_list): Update comment.
9491         (struct c_label_context): Rename to struct c_label_context_se.
9492         (label_context_stack): Rename to label_context_stack_se.
9493         (C_DECL_UNJUMPABLE_VM, C_DECL_UNDEFINABLE_VM, struct
9494         c_label_context_vm, label_context_stack_vm, c_begin_vm_scope,
9495         c_end_vm_scope): New.
9496         (C_DECL_DECLARED_BUILTIN, C_DECL_USED): Use FUNCTION_DECL_CHECK.
9497         * c-decl.c (pop_scope): Call c_end_vm_scope.
9498         (pushdecl): Call c_begin_vm_scope for variably modified
9499         declarations.
9500         (define_label): Check for jumping into scope of identifier with
9501         variably modified type.  Push label on stack for those defined at
9502         current context of identifiers with variably modified type.
9503         (start_function): Create stack level for context of identifiers
9504         with variably modified type.
9505         (finish_function): Pop stack level for context of identifiers with
9506         variably modified type.
9507         * c-typeck.c (label_context_stack): Rename to
9508         label_context_stack_se.
9509         (label_context_stack_vm, c_begin_vm_scope, c_end_vm_scope): New.
9510         (c_finish_goto_label): Check for jumping into scope of identifier
9511         with variably modified type.  Push label on stack for those jumped
9512         to from current context of identifiers with variably modified
9513         type.
9514         (struct c_switch): Add blocked_vm.
9515         (c_start_case): Initialize blocked_vm.
9516         (do_case): Check blocked_vm.
9517         (c_finish_case): Add comment.
9518         (c_begin_stmt_expr, c_finish_stmt_expr): Update for renamed
9519         variable label_context_stack.
9520
9521 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
9522
9523         * tree-ssa-phiopt.c (tree_ssa_phi_opt): Update calls to
9524         conditional_replacement, value_replacement, abs_replacement,
9525         minmax_replacement.
9526         (replace_phi_edge_with_variable): Remove argument BB.
9527         (conditional_replacement, value_replacement,
9528         minmax_replacement, abs_replacement): Remove argument PHI_BB.
9529         Update a call to replace_phi_edge_with_variable.
9530
9531         * tree-ssa-phiopt.c: Fix comments.
9532
9533 2005-04-20  Michael Matz  <matz@suse.de>
9534
9535         PR20973
9536         * reload.c (push_reload, find_dummy_reload): Check for uninitialized
9537         pseudos.
9538
9539 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
9540
9541         * tree-ssa-phiopt.c: Fix comment typos.
9542
9543         PR tree-optimization/21116
9544         * tree-ssa-phiopt.c: Fix a typo.
9545
9546 2005-04-19  Richard Henderson  <rth@redhat.com>
9547
9548         * builtins.c (expand_builtin_sync_operation): Revert last change.
9549         * optabs.c (expand_bool_compare_and_swap): Compare vs old value,
9550         not vs new value.
9551         (expand_compare_and_swap_loop): Likewise.
9552         (expand_sync_operation): Remove fallback from NAND to AND; invert
9553         memory operand when expanding from cmpxchg.
9554         (expand_sync_fetch_operation): Likewise.
9555         * doc/extend.texi (Atomic Builtins): Fix docs for nand and
9556         compare-and-swap.
9557
9558         * config/alpha/alpha.c (alpha_split_atomic_op): Invert memory operand
9559         when implementing NAND.  Fix double-add for AFTER.
9560         * config/alpha/sync.md (sync_nand<I48MODE>): Invert memory operand.
9561         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
9562         (sync_compare_and_swap<I48MODE>): Fix compare vs zero.  Return old
9563         memory value.
9564         (sync_lock_test_and_set<I48MODE>): Remove extra label and last
9565         memory barrier.
9566
9567         * config/i386/sync.md (sync_compare_and_swap<IMODE>): Fix pattern
9568         to return old memory value.
9569         (sync_compare_and_swap_cc<IMODE>): Likewise.
9570
9571         * config/ia64/ia64.c (ia64_dependencies_evaluation_hook): Early
9572         return pre-reload.  Don't consider output or anti dependencies.
9573         * config/ia64/sync.md (IMODE): New.
9574         (modesuffix): Add QI and HI.
9575         (memory_barrier): Simplify expansion.
9576         (sync_compare_and_swap<IMODE>): Use IMODE, not I48MODE.
9577         (cmpxchg_acq_<IMODE>): Likewise.
9578         (sync_lock_test_and_set<IMODE>): Likewise.
9579         (sync_lock_release<IMODE>): Likewise.
9580
9581 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
9582
9583         * fold-const.c (fold_binary): Fold ~(X ^ Y) to ~X ^ Y or X ^ ~Y if
9584         ~X or ~Y simplify.
9585
9586 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
9587
9588         * fold-const (fold_binary):  Fold ~X ^ ~ Y to X ^ Y.
9589
9590 2005-04-20  Michael Pogue  <michael.pogue@sun.com>
9591             Joseph S. Myers  <joseph@codesourcery.com>
9592
9593         * c.opt (Wint-to-pointer-cast, Wpointer-to-int-cast): New options.
9594         * c-typeck.c (build_c_cast): Check these options.
9595         * doc/invoke.texi: Document these options.
9596
9597 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
9598
9599         * tree-ssa-phiopt.c: Update a comment about the pass.
9600
9601 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
9602
9603         * tree-ssa-phiopt.c, config/arm/arm.c, config/fr30/fr30.md,
9604         config/mcore/mcore.c: Fix comment typos.
9605
9606 2005-04-19  Daniel Jacobowitz  <dan@codesourcery.com>
9607
9608         * Makefile.in (libgcc.mk): Pass GCC_FOR_TARGET.
9609         * mklibgcc.in: Use $GCC_FOR_TARGET instead of ./xgcc.
9610
9611 2005-04-19  Paul Brook  <paul@codesourcery.com>
9612
9613         * config/arm/arm.c (arm_init_libfuncs): Clear mod optabs.
9614
9615 2005-04-19  Andrew Haley  <aph@redhat.com>
9616
9617         PR java/21022
9618         * dbxout.c (dbxout_type_fields): Check DECL_IGNORED_P before
9619         looking at a field's bitpos.
9620
9621 2005-04-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9622
9623         * system.h (fopen, fdopen, freopen): Define these to the unlocked
9624         libiberty functions.
9625
9626 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
9627
9628         PR tree-optimization/21096
9629         * tree-ssa-copy.c (fini_copy_prop): Free cached_last_copy_of.
9630
9631 2005-04-19  Alan Modra  <amodra@bigpond.net.au>
9632
9633         PR target/21098
9634         * config/rs6000/rs6000.c (rs6000_elf_end_indicate_exec_stack): New.
9635         * config/rs6000/linux64.h (TARGET_ASM_FILE_END): Use the above.
9636
9637 2005-04-19  Alexandre Oliva  <aoliva@redhat.com>
9638
9639         * tree-cfg.c (dump_function_to_file): Use cfun info only if it
9640         refers to the function being dumped.
9641
9642 2005-04-18  Daniel Jacobowitz  <dan@codesourcery.com>
9643
9644         * varasm.c (assemble_start_function): Remove reset of in_section.
9645
9646 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
9647
9648         PR tree-optimization/21085
9649         * fold-const (fold_binary): Don't change X % -C to X % C if C has
9650         overflowed.
9651
9652 2005-04-19  Ben Elliston  <bje@au.ibm.com>
9653
9654         * doc/invoke.texi (Optimize Options): Refer to the correct
9655         optimisation flag -ftree-dominator-opts, not -ftree-dom.
9656
9657 2005-04-18  Christopher Jaillet <christophe.jaillet@wanadoo.fr>
9658
9659         * config/rs6000/rs6000.c (machopic_output_stub):  Increase
9660         alloca argument to be big enough.
9661
9662 2005-04-18  Alexandre Oliva  <aoliva@redhat.com>
9663
9664         PR middle-end/21049
9665         * tree-cfg.c (dump_function_to_file): Do not crash if cfun or
9666         cfun->cfg are NULL.
9667
9668 2005-04-18  Tom Tromey  <tromey@redhat.com>
9669
9670         * cgraphunit.c (cgraph_finalize_compilation_unit): Fix a comment
9671         typo.
9672
9673 2005-04-18  Richard Henderson  <rth@redhat.com>
9674
9675         * config/alpha/alpha.c (alpha_split_atomic_op): New.
9676         (alphaev5_insn_pipe): Add LD_L, ST_C, MB types.
9677         (alphaev4_insn_pipe): Likewise.  Correct IST and LDSYM pipes.
9678         * config/alpha/alpha-protos.h: Update.
9679         * config/alpha/alpha.md (UNSPECV_MB, UNSPECV_LL, UNSPECV_SC): New.
9680         (UNSPECV_ATOMIC, UNSPECV_CMPXCHG, UNSPECV_XCHG): New.
9681         (attr type): Add ld_l, st_c, mb.
9682         (andsi_internal, andnotsi3, iorsi_internal, one_cmplsi_internal,
9683         iornotsi3, xorsi_internal, xornotsi3): New.
9684         * config/alpha/ev4.md (ev4_ld): Add ld_l.
9685         (ev4_ist_c, ev4_mb): New.
9686         * config/alpha/ev5.md (ev5_st): Add st_c, mb.
9687         (ev5_ld_l): New.
9688         * config/alpha/ev6.md (ev6_ild): Add ld_l.
9689         (ev6_ist): Add st_c.
9690         (ev6_mb): New.
9691         * config/alpha/sync.md: New file.
9692
9693 2005-04-18  Richard Henderson  <rth@redhat.com>
9694
9695         * builtins.c (expand_builtin_sync_operation): Fold nand to and
9696         for constants.
9697
9698         * optabs.c (expand_sync_operation): Fix typo expanding nand to and.
9699
9700 2005-04-18  Devang Patel  <dpatel@apple.com>
9701
9702         * config/rs6000/atlivec.md (mulv4si3): New pattern.
9703
9704 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
9705
9706         PR tree-optimization/20922
9707         * fold-const.c (fold_binary): Fold X - c > X and X + c < X to false.
9708         Fold X + c >= X and fold X - c <= X to true.
9709
9710 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
9711
9712         * config/ia64/unwind-ia64.c (emergency_reg_state_free): Make an
9713         unsigned int.
9714         (emergency_labeled_state_free): Likewise.
9715
9716 2005-04-18  Nick Clifton  <nickc@redhat.com>
9717
9718         * config/h8300/h8300.md (jump): Remove prescan parameter from
9719         calls to final_scan_insn.
9720
9721         * config/arc/arc.c (arc_output_function_epilogue): Remove prescan
9722         parameter from calls to final_scan_insn.
9723
9724         * config.gcc (m68hc12): Use the m68hc11.opt file for target
9725         specific options.
9726         (v850e, v850e1): Use the v850.opt file for target specific
9727         options.
9728
9729 2005-04-18  Kazu Hirata  <kazu@cs.umass.edu>
9730
9731         PR tree-optimization/21001
9732         * tree-optimize.c (init_tree_optimization_passes): Move the
9733         first pass_forwprop immediately before pass_vrp.
9734
9735 2005-04-17  Ian Lance Taylor  <ian@airs.com>
9736
9737         * c-common.def (SIZEOF_EXPR, ARROW_EXPR, ALIGNOF_EXPR): Remove.
9738         * c-common.c (c_sizeof_or_alignof_type): Change second parameter
9739         from enum tree_code op to bool is_sizeof.
9740         * c-common.h (c_sizeof_or_alignof_type): Update declaration.
9741         (c_sizeof, c_alignof): Update calls to c_sizeof_or_alignof_type.
9742         * c-pretty-print.c (pp_c_postfix_expression): Remove ARROW_EXPR
9743         case.
9744         (pp_c_unary_expression): Remove SIZEOF_EXPR and ALIGNOF_EXPR
9745         cases.
9746         (pp_c_expression): Remove ARROW_EXPR, SIZEOF_EXPR, and
9747         ALIGNOF_EXPR cases.
9748
9749 2005-04-17  Ian Lance Taylor  <ian@airs.com>
9750
9751         * system.h: Poison DONT_ACCESS_GBLS_AFTER_EPILOGUE.
9752
9753 2005-04-17  Richard Henderson  <rth@redhat.com>
9754
9755         * config/alpha/alpha.c (va_list_skip_additions): Only define if
9756         TARGET_ABI_OSF.
9757         (TARGET_STDARG_OPTIMIZE_HOOK): Likewise.
9758         (alpha_stdarg_optimize_hook): Likewise.  Allow for one more round
9759         of indirection through ssa names while looking for the gpr counter
9760         field.
9761         (alpha_setup_incoming_varargs) <TARGET_ABI_OSF>: Make use of the
9762         saved va_list_gpr_size and va_list_fpr_size.
9763
9764 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
9765
9766         * tree-vrp.c (compare_values): Check that VAL1 and VAL2 are
9767         both pointers or both integers.
9768
9769         * tree-vrp.c (maybe_add_assert_expr): Don't assert
9770         ASSERT_EXPRs for single-use variable.
9771
9772         * tree-into-ssa.c: Fix a comment typo.
9773
9774 2005-04-17  Richard Sandiford  <rsandifo@redhat.com>
9775
9776         * config/mips/iris6.h (DRIVER_SELF_SPECS): Check -march as well as
9777         -mipsN before forcing a default of -mips2.
9778
9779 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
9780
9781         * predict.h (IS_TAKEN): Remove.
9782         * rtl.h (NOTE_PREDICTION): Likewise.
9783
9784         * modulo-sched.c (CFG_HOOKS): Remove.
9785
9786         * c-parser.c (N_C_TTYPES): Remove.
9787
9788         * tree-flow-inline.h (get_stmt_operands): Remove.
9789         * lambda-code.c, tree-ssa-loop-unswitch.c,
9790         tree-ssa-operands.c, tree-ssa-pre.c, tree-ssa-propagate.c,
9791         tree-ssa-sink.c, tree-ssa.c, tree-tailcall.c,
9792         tree-vect-transform.c, tree-vectorizer.c, tree-vrp.c): Remove
9793         calls to get_stmt_operands.
9794         * doc/tree-ssa.texi: Don't mention get_stmt_operands.
9795
9796 2005-04-17  Richard Henderson  <rth@redhat.com>
9797
9798         PR target/20375
9799         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Advance a copy
9800         of CUMULATIVE_ARGS past the last named argument.
9801         (alpha_va_start): Expect pretend_args_size only if strictly less than
9802         6 named arguments.
9803
9804 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
9805
9806         PR middle-end/21024
9807         * builtins.c (expand_builtin_strcat): Convert the result of
9808         strlen to the right type.
9809         * fold-const.c (fold_binary) <PLUS_EXPR>: Use fold_convert to
9810         avoid creating type mismatches.
9811         <GE_EXPR>: Pass op0 and op1 to fold_build2 to avoid creating
9812         type mismatches.
9813
9814         * c-lex.c (WCHAR_TYPE_SIZE, WCHAR_BYTES): Remove.
9815
9816 2005-04-16  Richard Henderson  <rth@redhat.com>
9817
9818         PR target/21051
9819         * builtins.c (expand_builtin) <BUILT_IN_BOOL_COMPARE_AND_SWAP_*>:
9820         Use the mode of boolean_type_node when the user doesn't provide one.
9821         * config/ia64/sync.md (sync_lock_release<I48MODE>): Use operand 1.
9822
9823 2005-04-16  Alexandre Oliva  <aoliva@redhat.com>
9824
9825         PR target/20126
9826         * loop.c (loop_givs_rescan): Handle non-replaceable (plus (reg)
9827         (const)).
9828
9829         * tree-scalar-evolution.c (interpret_rhs_modify_expr): Fix typo in
9830         comment.
9831
9832 2005-04-16  Roger Sayle  <roger@eyesopen.com>
9833             Steven Bosscher  <stevenb@suse.de>
9834
9835         * fold-const.c (fold_binary_to_constant): Delete obsolete comment.
9836         (fold_unary_to_constant): Likewise.
9837
9838 2005-04-16  Kazu Hirata  <kazu@cs.umass.edu>
9839
9840         * basic-block.h: Adjust the value of PROP_SCAN_DEAD_STORES,
9841         PROP_ASM_SCAN.
9842
9843 2005-04-16  Gerald Pfeifer  <gerald@pfeifer.com>
9844
9845         * doc/install.texi (Specific): Avoid using asterisks in @anchor
9846         names related to target triplets.
9847         Remove i?86-*-esix from platform directory.
9848         Remove powerpc-*-eabiaix from platform directory.
9849
9850 2005-04-16  Joseph S. Myers  <joseph@codesourcery.com>
9851
9852         PR middle-end/20491
9853         * config/ia64/ia64.c (rtx_needs_barrier): Recurse instead of
9854         falling through from SUBREG case to REG.
9855
9856 2005-04-15  Roger Sayle  <roger@eyesopen.com>
9857
9858         * fold-const.c (fold_relational_hi_lo): Delete function and prototype.
9859         (fold_binary): Update comment mentioning fold_relational_hi_lo.
9860         (fold_binary_to_constant): Simplify using fold_binary.
9861         (fold_unary_to_constant): Likewise, simplify using fold_unary.
9862
9863 2005-04-15  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
9864
9865         * gthr-posix.c (pthread_cancel): Define.
9866         (pthread_mutexattr_init): Likewise.
9867         (pthread_mutexattr_settype): Likewise.
9868         (pthread_mutexattr_destroy): Likewise.
9869
9870 2005-04-15  David S. Miller  <davem@davemloft.net>
9871
9872         PR target/20673
9873         * config/sparc/sparc.h (sparc_hard_reg_printed): Mark as GTY(()).
9874
9875 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
9876
9877         PR tree-optimization/21031
9878         * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): New.
9879         (forward_propagate_into_cond_1): Call it.  Forward propagate
9880         integer-integer casts into COND_EXPRs.
9881
9882 2005-04-15  Dave Korn  <dave.korn@artimi.com>
9883
9884         * gcc.c (default_compilers): Clarify obscure error message when
9885         reading from standard input.
9886
9887 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
9888
9889         * basic-block.h (PROP_EQUAL_NOTES): Remove.
9890         * flow.c (propagate_one_insn): Don't use PROP_EQUAL_NOTES.
9891
9892         * tree-ssa-alias.c (init_alias_info): Remove a call to
9893         get_stmt_operands.
9894
9895 2005-04-15  Andrew MacLeod  <amacleod@redhat.com>
9896
9897         * tree-vect-analyze.c (vect_stmt_relevant_p): Process immediate uses
9898         of non-virtual PHI nodes like we use to.
9899
9900 2005-05-15  Paolo Bonzini  <bonzini@gnu.org>
9901
9902         * genattrtab.c (ATTR_EQ_ATTR_P): Remove.
9903         (attr_copy_rtx): Do not use it.
9904
9905 2005-04-15  Andrew Macleod  <amacleod@redhat.com>
9906
9907         * doc/tree-ssa.texi: Grammer/abbreviation updates.
9908
9909 2005-04-15  Diego Novillo  <dnovillo@redhat.com>
9910
9911         * tree-vect-transform.c (vectorizable_store): Mark necessary
9912         objects in the vectorized store needing renaming.  Update the
9913         SSA graph for V_MAY_DEF operands in the original store.
9914
9915 2005-04-14  Daniel Berlin <dberlin@dberlin.org>
9916
9917         * tree-ssa-pre.c (compute_avail): It's okay to have
9918         TREE_INVARIANT's here, and value number the resulting expressions.
9919         (create_expression_by_pieces): Make sure operands that were
9920         min_invariant when we started, stay that way.
9921
9922 2005-04-15  David Edelsohn  <edelsohn@gnu.org>
9923
9924         * doc/install.texi (*-ibm-aix*): Add comment about system limits.
9925
9926 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
9927
9928         PR tree-optimization/20936.
9929         * tree-ssa-ccp.c (visit_assignment): Fix a typo.
9930
9931 2005-04-15  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9932
9933         * doc/invoke.texi: Fix typos.
9934         * doc/md.texi: Likewise.
9935         * doc/rtl.texi: Likewise.
9936         * doc/sourcebuild.texi: Likewise.
9937         * doc/tm.texi: Likewise.
9938
9939 2005-04-15  Uros Bizjak  <uros@kss-loka.si>
9940
9941         PR tree-optimization/21004
9942         * convert.c (convert_to_integer): Convert ceilf, ceill, floorf
9943         and floorl in c99 mode only.
9944         * builtins.c (expand_builtin_int_roundingfn): Assert that
9945         fallback_fndecl is not NULL_TREE.
9946
9947 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
9948
9949         * cfgrtl.c (purge_all_dead_edge): Remove an unused argument.
9950         * basic-block.h: Update the prototype for
9951         purge_all_dead_edges.
9952         * cfgexpand.c (tree_expand_cfg): Update a call to
9953         purge_all_dead_edges.
9954         * combine.c (combine_instructions): Likewise.
9955         * passes.c (rest_of_handle_old_regalloc, rest_of_handle_cse,
9956         rest_of_handle_cse2, rest_of_handle_gcse,
9957         rest_of_handle_postreload): likewise.
9958
9959 2005-04-15  Alexandre Oliva  <aoliva@redhat.com>
9960
9961         PR middle-end/20739
9962         * gimplify.c (gimplify_addr_expr): Compensate for removal of
9963         e.g. cv-qualification conversions.
9964
9965 2005-04-14  Mike Stump  <mrs@apple.com>
9966
9967         * config/darwin-c.c (framework_construct_pathname): We must
9968         find all headers of a framework in the first instance of it
9969         found in the seach path.
9970
9971 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
9972
9973         PR tree-optimization/21021
9974         * tree-vrp.c (compare_values): Work around a bug in the front
9975         end that produces a comparison of mismatched types.
9976
9977 2004-04-14  Richard Henderson  <rth@redhat.com>
9978
9979         * config/ia64/ia64.h (enum fetchop_code): Remove.
9980         (enum ia64_builtins): Move ...
9981         * config/ia64/ia64.c (enum ia64_builtins): ... here.  Remove all
9982         members except BSP and FLUSHRS.
9983         (ia64_init_builtins): Remove __sync builtins.
9984         (ia64_expand_builtin): Likewise.
9985         (ia64_expand_fetch_and_op, ia64_expand_op_and_fetch): Remove.
9986         (ia64_expand_compare_and_swap, ia64_expand_lock_test_and_set): Remove.
9987         (ia64_expand_lock_release): Remove.
9988         * config/ia64/ia64.md (mf): Move to sync.md.
9989         (mf_internal, fetchadd_acq_si, fetchadd_acq_di, cmpxchg_acq_si,
9990         cmpxchg_acq_di, xchgsi, xchgdi): Likewise.
9991         * config/ia64/sync.md: New file.
9992         (memory_barrier): Rename from mf.
9993         (fetchadd_acq_<I48MODE>): Macroize from _si/_di patterns.
9994         (cmpxchg_acq_<I48MODE>): Likewise.
9995         (sync_lock_test_and_set<I48MODE>): Likewise.
9996
9997         * config/ia64/ia64intrin.h: Define nothing for C; limit #defines
9998         to c++.  Remove __sync* declarations.  s/_si/_4/.  s/_di/_8/.
9999
10000 2004-04-14  Richard Henderson  <rth@redhat.com>
10001
10002         * config/i386/i386.c (x86_cmpxchg, x86_xadd): New.
10003         (ix86_compare_emitted): New.
10004         (ix86_expand_compare): Use ix86_compare_emitted if set.
10005         (ix86_expand_setcc): Only emit REG_EQUAL if both ix86_compare_op0
10006         and ix86_compare_op0 are set.
10007         * config/i386/i386.h (x86_cmpxchg, x86_xadd): Declare.
10008         (TARGET_CMPXCHG, TARGET_XADD): New.
10009         (ix86_compare_emitted): Declare.
10010         * config/i386/i386.md: Include sync.md
10011         (UNSPECV_CMPXCHG_1, UNSPECV_CMPXCHG_2): New.
10012         (UNSPECV_XCHG, UNSPECV_LOCK): New.
10013         * config/i386/sync.md: New file.
10014
10015 2004-04-14  Richard Henderson  <rth@redhat.com>
10016
10017         PR middle-end/14311
10018         * builtin-types.def (BT_BOOL, BT_VOLATILE_PTR, BT_I1, BT_I2,
10019         BT_I4, BT_I8, BT_FN_VOID_VPTR, BT_FN_I1_VPTR_I1, BT_FN_I2_VPTR_I2,
10020         BT_FN_I4_VPTR_I4, BT_FN_I8_VPTR_I8, BT_FN_BOOL_VPTR_I1_I1,
10021         BT_FN_BOOL_VPTR_I2_I2, BT_FN_BOOL_VPTR_I4_I4, BT_FN_BOOL_VPTR_I8_I8,
10022         BT_FN_I1_VPTR_I1_I1, BT_FN_I2_VPTR_I2_I2, BT_FN_I4_VPTR_I4_I4,
10023         BT_FN_I8_VPTR_I8_I8): New.
10024         * builtins.def (DEF_SYNC_BUILTIN): New.
10025         (BUILT_IN_FETCH_AND_ADD_N, BUILT_IN_FETCH_AND_ADD_1,
10026         BUILT_IN_FETCH_AND_ADD_2, BUILT_IN_FETCH_AND_ADD_4,
10027         BUILT_IN_FETCH_AND_ADD_8, BUILT_IN_FETCH_AND_SUB_N,
10028         BUILT_IN_FETCH_AND_SUB_1, BUILT_IN_FETCH_AND_SUB_2,
10029         BUILT_IN_FETCH_AND_SUB_4, BUILT_IN_FETCH_AND_SUB_8,
10030         BUILT_IN_FETCH_AND_OR_N, BUILT_IN_FETCH_AND_OR_1,
10031         BUILT_IN_FETCH_AND_OR_2, BUILT_IN_FETCH_AND_OR_4,
10032         BUILT_IN_FETCH_AND_OR_8, BUILT_IN_FETCH_AND_AND_N,
10033         BUILT_IN_FETCH_AND_AND_1, BUILT_IN_FETCH_AND_AND_2,
10034         BUILT_IN_FETCH_AND_AND_4, BUILT_IN_FETCH_AND_AND_8,
10035         BUILT_IN_FETCH_AND_XOR_N, BUILT_IN_FETCH_AND_XOR_1,
10036         BUILT_IN_FETCH_AND_XOR_2, BUILT_IN_FETCH_AND_XOR_4,
10037         BUILT_IN_FETCH_AND_XOR_8, BUILT_IN_FETCH_AND_NAND_N,
10038         BUILT_IN_FETCH_AND_NAND_1, BUILT_IN_FETCH_AND_NAND_2,
10039         BUILT_IN_FETCH_AND_NAND_4, BUILT_IN_FETCH_AND_NAND_8,
10040         BUILT_IN_ADD_AND_FETCH_N, BUILT_IN_ADD_AND_FETCH_1,
10041         BUILT_IN_ADD_AND_FETCH_2, BUILT_IN_ADD_AND_FETCH_4,
10042         BUILT_IN_ADD_AND_FETCH_8, BUILT_IN_SUB_AND_FETCH_N,
10043         BUILT_IN_SUB_AND_FETCH_1, BUILT_IN_SUB_AND_FETCH_2,
10044         BUILT_IN_SUB_AND_FETCH_4, BUILT_IN_SUB_AND_FETCH_8,
10045         BUILT_IN_OR_AND_FETCH_N, BUILT_IN_OR_AND_FETCH_1,
10046         BUILT_IN_OR_AND_FETCH_2, BUILT_IN_OR_AND_FETCH_4,
10047         BUILT_IN_OR_AND_FETCH_8, BUILT_IN_AND_AND_FETCH_N,
10048         BUILT_IN_AND_AND_FETCH_1, BUILT_IN_AND_AND_FETCH_2,
10049         BUILT_IN_AND_AND_FETCH_4, BUILT_IN_AND_AND_FETCH_8,
10050         BUILT_IN_XOR_AND_FETCH_N, BUILT_IN_XOR_AND_FETCH_1,
10051         BUILT_IN_XOR_AND_FETCH_2, BUILT_IN_XOR_AND_FETCH_4,
10052         BUILT_IN_XOR_AND_FETCH_8, BUILT_IN_NAND_AND_FETCH_N,
10053         BUILT_IN_NAND_AND_FETCH_1, BUILT_IN_NAND_AND_FETCH_2,
10054         BUILT_IN_NAND_AND_FETCH_4, BUILT_IN_NAND_AND_FETCH_8,
10055         BUILT_IN_BOOL_COMPARE_AND_SWAP_N, BUILT_IN_BOOL_COMPARE_AND_SWAP_1,
10056         BUILT_IN_BOOL_COMPARE_AND_SWAP_2, BUILT_IN_BOOL_COMPARE_AND_SWAP_4,
10057         BUILT_IN_BOOL_COMPARE_AND_SWAP_8, BUILT_IN_VAL_COMPARE_AND_SWAP_N,
10058         BUILT_IN_VAL_COMPARE_AND_SWAP_1, BUILT_IN_VAL_COMPARE_AND_SWAP_2,
10059         BUILT_IN_VAL_COMPARE_AND_SWAP_4, BUILT_IN_VAL_COMPARE_AND_SWAP_8,
10060         BUILT_IN_LOCK_TEST_AND_SET_N, BUILT_IN_LOCK_TEST_AND_SET_1,
10061         BUILT_IN_LOCK_TEST_AND_SET_2, BUILT_IN_LOCK_TEST_AND_SET_4,
10062         BUILT_IN_LOCK_TEST_AND_SET_8, BUILT_IN_LOCK_RELEASE_N,
10063         BUILT_IN_LOCK_RELEASE_1, BUILT_IN_LOCK_RELEASE_2,
10064         BUILT_IN_LOCK_RELEASE_4, BUILT_IN_LOCK_RELEASE_8,
10065         BUILT_IN_SYNCHRONIZE: New.
10066         * builtins.c (called_as_built_in): Rewrite from CALLED_AS_BUILT_IN
10067         as a function.  Accept __sync_ as a prefix as well.
10068         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
10069         expand_builtin_lock_test_and_set, expand_builtin_synchronize,
10070         expand_builtin_lock_release): New.
10071         (expand_builtin): Call them.
10072         * c-common.c (DEF_BUILTIN): Don't require __builtin_ prefix if
10073         neither BOTH_P nor FALLBACK_P are defined.
10074         (builtin_type_for_size): New.
10075         (sync_resolve_size, sync_resolve_params, sync_resolve_return): New.
10076         (resolve_overloaded_builtin): New.
10077         * c-common.h (resolve_overloaded_builtin): Declare.
10078         (builtin_type_for_size): Declare.
10079         * c-typeck.c (build_function_call): Invoke resolve_overloaded_builtin.
10080         * expr.c (sync_add_optab, sync_sub_optab, sync_ior_optab,
10081         sync_and_optab, sync_xor_optab, sync_nand_optab, sync_old_add_optab,
10082         sync_old_sub_optab, sync_old_ior_optab, sync_old_and_optab,
10083         sync_old_xor_optab, sync_old_nand_optab, sync_new_add_optab,
10084         sync_new_sub_optab, sync_new_ior_optab, sync_new_and_optab,
10085         sync_new_xor_optab, sync_new_nand_optab, sync_compare_and_swap,
10086         sync_compare_and_swap_cc, sync_lock_test_and_set,
10087         sync_lock_release): New.
10088         * optabs.h: Declare them.
10089         * expr.h (expand_val_compare_and_swap, expand_bool_compare_and_swap,
10090         expand_sync_operation, expand_sync_fetch_operation,
10091         expand_sync_lock_test_and_set): Declare.
10092         * genopinit.c (optabs): Add sync optabs.
10093         * optabs.c (init_optabs): Initialize sync optabs.
10094         (expand_val_compare_and_swap_1, expand_val_compare_and_swap,
10095         expand_bool_compare_and_swap, expand_compare_and_swap_loop,
10096         expand_sync_operation, expand_sync_fetch_operation,
10097         expand_sync_lock_test_and_set): New.
10098         * doc/extend.texi (Atomic Builtins): New section
10099         * doc/md.texi (Standard Names): Add sync patterns.
10100
10101 2005-04-14  Alexandre Oliva  <aoliva@redhat.com>
10102
10103         * tree-eh.c (lower_try_finally_copy): Generate new code in
10104         response to goto_queue entries as if the queue was sorted by
10105         index, not pointers.
10106         (lower_try_finally_switch): Likewise.
10107
10108 2005-04-14  Richard Henderson  <rth@redhat.com>
10109
10110         * config/i386/i386.c (ix86_expand_sse_cmp): Split out from ...
10111         (ix86_expand_sse_movcc): ... here.  Take cmp as a pre-computed
10112         register.
10113         (ix86_expand_fp_movcc): Update to match.
10114         (ix86_expand_fp_vcond, ix86_expand_int_vcond): New.
10115         * config/i386/i386-protos.h: Update.
10116         * config/i386/sse.md (vcondv4sf, vcondv2df): New.
10117         (vcond<SSEMODE124>, vcondu<SSEMODE12>): New.
10118
10119 2005-04-14  Joseph S. Myers  <joseph@codesourcery.com>
10120
10121         * doc/cpp.texi, doc/install.texi: Change references to GCC 3.5 to
10122         refer to 4.0.
10123
10124 2005-04-14  Julian Brown  <julian@codesourcery.com>
10125
10126         * Revert elfos.h part of my patch from 2005-04-13 for causing libstdc++
10127         link failures on ppc64 Linux.
10128
10129 2005-04-14  Andreas Krebbel  <krebbel1@de.ibm.com>
10130
10131         * config.gcc: Set cpu_type for s390.
10132
10133 2005-04-14  Daniel Berlin  <dberlin@dberlin.org>
10134
10135         Fix PR tree-optimization/20963
10136         * tree-ssa-pre.c (compute_avail): Remove special case for
10137         TREE_INVARIANT.
10138         (create_expression_by_pieces): Add value numbers for forced out
10139         statements.
10140
10141 2005-04-14  Hans-Peter Nilsson  <hp@axis.com>
10142
10143         * config/cris/cris.md: Replace references to (reg:SI 16) with
10144         (reg:SI CRIS_SRP_REGNUM).
10145
10146 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
10147
10148         PR tree-optimization/20657
10149         * tree-vrp.c (extract_range_from_expr): Notice INTEGER_CST to
10150         create an appropriate range from it.
10151
10152 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
10153
10154         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST_FLOOR> and
10155         <UNSPEC_FIST_CEIL> case.
10156
10157         * config/i386/i386.md (UNSPEC_FIST_FLOOR, UNSPEC_FIST_CEIL): New.
10158         (*fist<mode>2_floor_1, fistdi2_floor, fistdi2_floor_with_temp)
10159         (fist<mode>2_floor, fist<mode>2_floor_with_temp): New isns patterns
10160         to implement lfloor and llfloor built-ins as x87 intrinsic function.
10161         (fistdi2_floor, fist<mode>2_floor splitters): New splitters.
10162         (lfloor<mode>2): New expanders.
10163         (*fist<mode>2_ceil_1, fistdi2_ceil, fistdi2_ceil_with_temp)
10164         (fist<mode>2_ceil, fist<mode>2_ceil_with_temp): New isns patterns
10165         to implement lceil and llceil built-ins as x87 intrinsic function.
10166         (fistdi2_ceil, fist<mode>2_ceil splitters): New splitters.
10167         (lceil<mode>2): New expanders.
10168
10169 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
10170
10171         * convert.c (convert_to_integer): Convert (long int)trunc{,f,l},
10172         and (long long int)ceil{,f,l} into FIX_TRUNC_EXPR.
10173
10174 2005-04-14  Ulrich Weigand  <uweigand@de.ibm.com>
10175
10176         PR target/20927
10177         * config/s390/s390-modes.def: Define TFmode.
10178
10179 2005-04-13  Richard Sandiford  <rsandifo@redhat.com>
10180
10181         * config/mips/mips.h (ASM_OUTPUT_CASE_LABEL): Delete.
10182         (JUMP_TABLES_IN_TEXT_SECTION): Define.
10183         * config/mips/mips.c (mips16_insn_length): Remove reference to
10184         JUMP_TABLES_IN_TEXT_SECTION.
10185
10186 2005-04-13 Fariborz Jahanian <fjahanian@apple.com>
10187
10188         * simplify-rtx.c (simplify_binary_operation_1): Return
10189         scalar or vector of constant 0, depending on the xor's
10190         mode.
10191
10192 2005-04-13  Dale Johannesen  <dalej@apple.com>
10193
10194         * objc/Make-lang.in (objc-lang.o):  Depend on tree-gimple.h.
10195         (objc-act.o):  Ditto.
10196         * objc/objc-act.c (objc_gimplify_expr):  New.
10197         (objc_get_callee_fndecl):  New.
10198         * objc/objc-act.h:  Include tree-gimple.h.  Declare new functions.
10199         * objc/objc-lang.c (LANG_HOOKS_GIMPLIFY_EXPR):  Define.
10200         (LANG_HOOKS_GET_CALLEE_FNDECL):  Define.
10201
10202 2005-04-13  Devang Patel  <dpatel@apple.com>
10203
10204         * tree-if-conv.c (tree_if_convert_cond_expr): Do not create extra
10205         temp variables.
10206
10207 2005-04-13  Hans-Peter Nilsson  <hp@axis.com>
10208
10209         CRIS prologue as RTL.
10210         * config/cris/cris-protos.h (cris_emit_movem_store)
10211         (cris_expand_prologue): Prototype.
10212         * config/cris/cris.c (struct machine_function): New member
10213         stdarg_regs.
10214         (cfa_label_num, cris_target_asm_function_prologue): Remove.
10215         (TARGET_ASM_FUNCTION_PROLOGUE): Don't override.
10216         (cris_general_operand_or_gotless_symbol): Accept CRIS_UNSPEC_GOT.
10217         (cris_load_multiple_op, cris_return_address_on_stack)
10218         (cris_return_address_on_stack_for_return): ISO-Cify.
10219         (cris_store_multiple_op): New predicate function.
10220         (cris_expand_prologue, cris_emit_movem_store): New functions.
10221         (cris_print_operand) <case 'O'>: Handle modifications other than
10222         post-increment.
10223         (cris_symbol, cris_got_symbol): Return 0 for CRIS_UNSPEC_GOT.
10224         (cris_gotless_symbol): Return 1 for CRIS_UNSPEC_GOT.
10225         (cris_gen_movem_load): Rearrange slightly to make local variable
10226         src a parameter, removing osrc.
10227         (cris_setup_incoming_varargs): Set machine_function member
10228         stdarg_regs to correspond to the number of registers that need to
10229         be saved.
10230         * config/cris/cris.h (EXTRA_CONSTRAINT_S): Accept
10231         CRIS_UNSPEC_GOT.
10232         (PREDICATE_CODES): Add cris_store_multiple_op.  Make
10233         cris_general_operand_or_gotless_symbol accept UNSPEC.
10234         * config/cris/cris.md (CRIS_UNSPEC_GOT): New constant.
10235         ("*movsi_internal") <alternative 8>: Handle CRIS_UNSPEC_GOT.
10236         ("*cris_store_multiple"): New pattern.  Tweak common comment above
10237         this and "*cris_load_multiple".
10238         ("prologue"): New define_expand.
10239
10240         * config/cris/cris.md ("epilogue"): Conditionalize on
10241         TARGET_PROLOGUE_EPILOGUE.
10242
10243 2005-04-13  Steve Ellcey  <sje@cup.hp.com>
10244
10245         PR target/20924
10246         * config/ia64/ia64.md (divsf3_internal_lat): Generate frcpa with
10247         fpsr 0 instead of fpsr 1.
10248         (divsf3_internal_thr): Ditto.
10249         (divdf3_internal_lat): Ditto.
10250         (divdf3_internal_thr): Ditto.
10251         (divxf3_internal_lat): Ditto.
10252         (divxf3_internal_thr): Ditto.
10253
10254 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
10255
10256         PR tree-optimization/20913
10257         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Fold COND_EXPR.
10258
10259         PR tree-optimization/20702
10260         * tree-vrp.c (maybe_add_assert_expr): Recurse into
10261         dominator children that haven't been walked into.
10262
10263 2005-04-13  Julian Brown  <julian@codesourcery.com>
10264
10265         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK from
10266         being used for symbols with vague linkage when HAVE_GAS_COMDAT_GROUP
10267         is true.
10268
10269 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
10270
10271         * basic-block.h, tree-ssa-uncprop.c, varasm.c,
10272         config/i386/sse.md: Fix comment typos.
10273
10274         * genattrtab.c (NULL_ATTR): Remove.
10275         * ifcvt.c (NULL_EDGE): Likewise.
10276
10277         * rtl.h (RTX_EXPR_FIRST, RTX_EXPR_LAST): Remove.
10278
10279         * rtl.h (NOTE_PREDICTION_ALG, NOTE_PREDICTION_FLAGS,
10280         NOTE_PREDICT): Remove.
10281
10282 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
10283
10284         * configure.ac (gcc_AC_CHECK_DECLS): Add vsnprintf.
10285         * configure: Regenerate.
10286         * config.in: Likewise.
10287         * system.h: Declare vsnprintf if not already declared.
10288
10289 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
10290
10291         * optc-gen.awk: Handle stand-alone Mask records.
10292         * opth-gen.awk: Likewise.
10293         * doc/options.texi (Option file format): Document them.
10294         * config.gcc (sparc-*-netbsdelf*, sparc-*-linux*, sparc64-*-freebsd*,
10295         sparc64-*-linux*, sparc64-*-netbsd*): Add long-double-switch.opt.
10296         (sparc64-*-openbsd*, sparc64-*-elf*): Add little-endian.opt.
10297         * config/sparc/sparc.h (MASK_FPU, MASK_UNALIGNED_DOUBLES,
10298         MASK_V8, MASK_SPARCLITE, MASK_SPARCLET, MASK_V9,
10299         MASK_DEPRECATED_V8_INSNS, MASK_IMPURE_TEXT, MASK_APP_REGS,
10300         MASK_HARD_QUAD, MASK_LITTLE_ENDIAN, MASK_PTR64, MASK_64BIT,
10301         MASK_STACK_BIAS, MASK_FPU_SET, MASK_VIS, MASK_V8PLUS,
10302         MASK_FASTER_STRUCTS, MASK_LONG_DOUBLE_128): Delete.
10303         (TARGET_FPU, TARGET_UNALIGNED_DOUBLES, TARGET_V8, TARGET_SPARCLITE,
10304         TARGET_SPARCLET, TARGET_V9, TARGET_DEPRECATED_V8_INSNS,
10305         TARGET_IMPURE_TEXT, TARGET_APP_REGS, MASK_HARD_QUAD,
10306         TARGET_LITTLE_ENDIAN, TARGET_PTR64, TARGET_64BIT, MASK_STACK_BIAS,
10307         TARGET_FPU_SET, TARGET_VIS, TARGET_V8PLUS, TARGET_FASTER_STRUCTS,
10308         TARGET_LONG_DOUBLE_128): Likewise.
10309         (TARGET_SWITCHES, SUBTARGET_SWITCHES): Likewise.
10310         (TARGET_OPTIONS, SUBTARGET_OPTIONS): Likewise.
10311         * config/sparc/freebsd.h (SUBTARGET_SWITCHES): Likewise.
10312         * config/sparc/linux.h (SUBTARGET_SWITCHES): Likewise.
10313         * config/sparc/linux64.h (SUBTARGET_SWITCHES): Likewise.
10314         * config/sparc/netbsd-elf.h (SUBTARGET_SWITCHES): Likewise.
10315         * config/sparc/sp64-elf.h (SUBTARGET_SWITCHES): Likewise.
10316         * config/sparc/sparc.c (fpu_option_set): New global.
10317         (sparc_handle_option): New function.
10318         (sparc_override_options): Test fpu_option_set.
10319         (TARGET_DEFAULT_TARGET_FLAGS): Set to TARGET_DEFAULT.
10320         (TARGET_HANDLE_OPTION): Set to sparc_handle_option.
10321         * config/sparc/sparc.opt: New file.
10322         * config/sparc/little-endian.opt: Likewise.
10323         * config/sparc/long-double-switch.opt: Likewise.
10324
10325 2005-04-13  Bernd Schmidt  <bernd.schmidt@analog.com>
10326
10327         * config/bfin/bfin.c (bfin_lib_id_given): New static variable.
10328         (bfin_handle_options): Set it if -mshared-library-id= is seen.
10329         * config/bfin/bfin.opt (mshared-library-id=): Lose
10330         Var(bfin_lib_id_given).
10331
10332 2005-04-13  Matt Thomas  <matt@3am-software.com>
10333
10334         * config/rs6000/sysv4.h (NO_IMPLICIT_EXTERN_C): undefine before
10335         defining.
10336
10337 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
10338
10339         * rtl.h (CLEAR_RTX_FLAGS): Remove.
10340
10341         * cgraphunit.c (INSNS_PER_CALL): Remove.
10342
10343         * tree-ssa-forwprop.c (vars,
10344         record_single_argument_cond_exprs,
10345         substitute_single_use_vars): Remove.
10346         (forward_propagate_into_cond_1, forward_propagate_into_cond):
10347         New.
10348         (tree_ssa_forward_propagate_single_use_vars): Call
10349         forward_propagate_into_cond for each COND_EXPR.
10350
10351         * tree-inline.c (INSNS_PER_STMT): Remove.
10352
10353 2005-04-12  Richard Henderson  <rth@redhat.com>
10354
10355         * config/i386/i386.c (ix86_prepare_sse_fp_compare_args): Split ...
10356         (ix86_expand_sse_fp_minmax): ... from ...
10357         (ix86_expand_fp_movcc): ... here.
10358         (ix86_expand_sse_movcc): Rewrite from ix86_split_sse_movcc.
10359         * config/i386/i386-protos.h: Update.
10360         * config/i386/i386.md (UNSPEC_IEEE_MIN, UNSPEC_IEEE_MAX): New.
10361         (sse_setccsf, sse_setccdf): Allow before reload.
10362         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): Remove.
10363         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): Remove.
10364         (ieee_sminsf3, ieee_smaxsf3, ieee_smindf3, ieee_smaxdf3): New.
10365         * config/i386/sse.md (andsf3, nandsf3, iorsf3, xorsf3): New.
10366         (anddf3, nanddf3, iordf3, xordf3): New.
10367
10368 2005-04-12  Jeff Law  <law@redhat.com>
10369
10370         * Makefile.in (OBJS-common): Add tree-ssa-uncprop.o.
10371         (tree-ssa-uncprop.o): Add dependencies.
10372         * tree-cfg.c (remove_useless_stmts_bb, remove_useless_stmts): Remove.
10373         * tree-flow.h (remove_useless_stmts): Remove prototype.
10374         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
10375         remove_useless_stmts.
10376         * timevar.def (TV_TREE_SSA_UNCPROP): New timevar.
10377         * tree-optimize.c (init_tree_optimization_passes): Add uncprop pass.
10378         * tree-pass.h (pass_uncprop): Declare.
10379         * tree-ssa-uncprop.c: New file.
10380
10381 2005-04-12  James E. Wilson  <wilson@specifixinc.com>
10382
10383         PR target/20670
10384         * unwind-ia64.c (uw_intall_context): Add missing load of r27.
10385
10386 2005-04-12  Caroline Tice  <ctice@apple.com>
10387
10388         Temporary fix for partitioning problems.
10389         * passes.c (rest_of_handle_final): Remove code that
10390         frees unlikely_text_section_name,
10391         * varasm.c (assemble_start_function): Test for partitioning
10392         flag before writing out section labels.
10393         (assemble_end_function): Test for partitioning flag before
10394         writing out section labels.
10395
10396 2005-04-12  Steven Bosscher  <stevenb@suse.de>
10397             Stuart Hastings <stuart@apple.com>
10398             Jan Hubicka  <jh@suse.cz>
10399
10400         * Makefile.in: Add function.h to BASIC_BLOCK_H.  Remove all
10401         references to gt-tree-cfg.h.
10402         * basic-block.h (struct basic_block_def): Don't skip rbi
10403         for garbage collection.
10404         (struct reorder_block_def): Make GTY-able.
10405         (struct control_flow_graph): New structure.
10406         (n_edges, n_basic_blocks, last_basic_block, basic_block_info,
10407         BASIC_BLOCK, EXIT_BLOCK_PTR, ENTRY_BLOCK_PTR): No longer vars,
10408         but instead defines to the control_flow_graph for cfun.
10409         (label_to_block_map): New define, points to the label map of
10410         the control_flow_graph for cfun.
10411         (n_edges_for_function, n_basic_blocks_for_function,
10412         last_basic_block_for_function, basic_block_info_for_function,
10413         EXIT_BLOCK_PTR_FOR_FUNCTION, ENTRY_BLOCK_PTR_FOR_FUNCTION,
10414         basic_block_info_for_function, label_to_block_map_for_function):
10415         Counterparts for the above, taking a struct function as an extra
10416         argument.
10417         (alloc_rbi_pool, free_rbi_pool): Remove prototypes.
10418         * cfg.c: (n_edges, n_basic_blocks, last_basic_block,
10419         basic_block_info, ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): Remove.
10420         (alloc_rbi_pool, free_rbi_pool): Remove.
10421         (initialize_bb_rbi): Use ggc_alloc_cleared instead of pool_alloc.
10422         * cfglayout.c: (cfg_layout_initialize): Don't allocate the rbi pool
10423         here...
10424         (cfg_layout_finalize) ... and don't free it here.
10425         * cfgrtl.c (cfg_layout_delete_block): Zero out rbi so it gets
10426         garbage collected.
10427         * flow.c (free_basic_block_vars): Set label_to_block_map and
10428         n_edges to zero too.
10429         * function.h (struct function): Add cfg field.
10430         * function.c (allocate_struct_function): Allocate the cfg.
10431         * tree-cfg.c (label_to_block_map): Remove.
10432         (build_tree_cfg): Don't allocate the rbi pool here...
10433         (delete_tree_cfg_annotations): ...and don't free it here.
10434         Also don't nullify label_to_block_map for cfun.
10435
10436 2005-04-12  Caroline Tice  <ctice@apple.com>
10437
10438         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
10439         Revert my patch from April 9.
10440         (fix_edges_for_rarely_executed_code): Revert my patch from April 9.
10441         (reorder_basic_blocks): Revert my patch from April 9.
10442         (insert_section_boundary_note): Revert my patch from April 9.
10443         * dbxout.c (dbxout_function_end): Revert my patch from April 9.
10444         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): Revert my patch from April 9.
10445         (COLD_END_LABEL):  Revert my patch from April 9.
10446         (cold_text_section_label):  Revert my patch from April 9.
10447         (cold_end_label): Revert my patch from April 9.
10448         (dwarf2out_switch_text_section): Revert my patch from April 9.
10449         (output_aranges): Revert my patch from April 9.
10450         (output_ranges):  Revert my patch from April 9.
10451         (output_line_info): Revert my patch from April 9.
10452         (add_location_or_const_value_attribute):  Revert my patch from April 9.
10453         (dwarf2out_var_location): Revert my patch from April 9.
10454         (dwarf2out_init):  Revert my patch from April 9.
10455         (dwarf2out_finish): Revert my patch from April 9.
10456         * function.h (struct function): Revert my patch from April 9.
10457         * opts.c (decode_options): Revert my patch from April 9.
10458         * output.h (unlikely_section_label, hot_section_label,
10459         hot_section_end_label, cold_section_end_label,
10460         unlikely_text_section_name): Revert my patch from April 9.
10461         * passes.c (rest_of_handle_final): Revert my patch from April 9.
10462         * varasm.c (unlikely_section_label, hot_section_label,
10463         hot_section_end_label, cold_section_end_label,
10464         unlikely_text_section_name): Revert my patch from April 9.
10465         (initialize_cold_section_name): Revert my patch from April 9.
10466         (unlikely_text_section): Revert my patch from April 9.
10467         (in_unlikely_text_section): Revert my patch from April 9.
10468         (named_section): Revert my patch from April 9.
10469         (function_section): Revert my patch from April 9.
10470         (current_function_section): Revert my patch from April 9.
10471         (assemble_start_function): Revert my patch from April 9.
10472         (assemble_end_function): Revert my patch from April 9.
10473         (default_section_type_flags_1): Revert my patch from April 9.
10474
10475 2005-04-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
10476
10477         * config/sparc/sparc.h (APPLY_RESULT_SIZE): Set to 24 in 64-bit mode.
10478         * config/sparc/sparc.md (untyped_call): Save the registers manually.
10479
10480         * config/sparc/sparc.c (legitimate_address_p): Use TARGET_ARCH32.
10481
10482 2005-04-12  Ulrich Weigand  <uweigand@de.ibm.com>
10483
10484         PR middle-end/20917
10485         * config/s390/s390.md ("*set_tp"): Use SET in pattern.
10486         ("set_tp_64", "set_tp_31"): Adapt expanded pattern.
10487
10488 2004-04-12  Richard Henderson  <rth@redhat.com>
10489
10490         * config/i386/i386.md (UNSPEC_FIX, UNSPEC_MOVA, UNSPEC_SHUFFLE,
10491         UNSPEC_PSHUFLW, UNSPEC_PSHUFHW, UNSPEC_ADDSUB, UNSPEC_HADD,
10492         UNSPEC_HSUB, UNSPEC_MOVSHDUP, UNSPEC_MOVSLDUP, UNSPEC_MOVDDUP): Remove.
10493         (UNSPEC_*, UNSPECV_*): Renumber.
10494
10495 2005-04-12  Frank Ch. Eigler  <fche@redhat.com>
10496
10497         PR mudflap/19266
10498         From Richard Henderson <rth@redhat.com>:
10499         * tree-mudflap.c (mf_build_check_statement_for): Correct block
10500         splitting logic.
10501
10502 2005-04-12  Dorit Naishlos  <dorit@il.ibm.com>
10503
10504         * tree-cfg.c (tree_verify_flow_info): Use LABEL_EXPR_LABEL.
10505
10506 2005-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
10507
10508         * config/bfin/bfin.c (bfin_library_id_string): Remove.
10509         (bfin_library_id): New variable.
10510         (bfin_expand_prologue): Use bfin_library_id and bfin_lib_id_given
10511         instead of bfin_library_id_string.
10512         (bfin_handle_option): New function.
10513         (override_options): Remove most code to deal with shared library IDs,
10514         just check they aren't used without -mid-shared-library.
10515         (TARGET_HANDLE_OPTION): Define.
10516         * config/bfin/bfin.h (TARGET_OPTIONS): Delete macro.
10517         * config/bfin/bfin.opt (mshared-library-id=): New.
10518
10519 2005-04-12  Kazu Hirata  <kazu@cs.umass.edu>
10520
10521         * tree-vect-transform.c: Fix comment typos.
10522
10523 2005-04-12 Mostafa Hagog <mustafa@il.ibm.com>
10524
10525         * postreload-gcse.c (eliminate_partially_redundant_load): Don't
10526         split critical edges when not possible/profitable.
10527
10528 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
10529
10530         * config/ns32k/ns32k.h (target_flags, MASK_32081, MASK_RTD)
10531         (MASK_REGPARM, MASK_32532, MASK_32332, MASK_NO_SB, MASK_NO_BITFIELD)
10532         (MASK_HIMEM, MASK_32381, MASK_MULT_ADD, MASK_SRC, MASK_IEEE_COMPARE)
10533         (TARGET_32081, TARGET_32381, TARGET_MULT_ADD, TARGET_RTD)
10534         (TARGET_REGPARM, TARGET_32532, TARGET_32332, TARGET_SB, TARGET_HIMEM)
10535         (TARGET_BITFIELD, TARGET_IEEE_COMPARE, TARGET_SWITCHES): Delete.
10536         (OVERRIDE_OPTIONS): Clear MASK_SB instead of setting MASK_NO_SB.
10537         * config/ns32k/netbsd.h (TARGET_DEFAULT): Remove MASK_NO_SB and
10538         MASK_NO_BITFIELD.
10539         * config/ns32k/ns32k.c (ns32k_handle_option): New function.
10540         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
10541         * config/ns32k/ns32k.opt: New file.
10542
10543 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
10544
10545         * config.gcc (m68k-*-linux*): Add m68k/ieee.opt to $extra_options.
10546         * config/m68k/m68k.h (target_flags, MASK_68020, TARGET_68020)
10547         (MASK_68030, TARGET_68030, MASK_68040, TARGET_68040, MASK_68040_ONLY)
10548         (TARGET_68040_ONLY, MASK_68060, TARGET_68060, MASK_5200, TARGET_5200)
10549         (MASK_CFV3, TARGET_CFV3, MASK_CFV4, TARGET_CFV4, MASK_528x)
10550         (TARGET_528x, MASK_CF_HWDIV, TARGET_CF_HWDIV, MASK_68881, TARGET_68881)
10551         (MASK_BITFIELD, TARGET_BITFIELD, MASK_SHORT, TARGET_SHORT)
10552         (MASK_ALIGN_INT, TARGET_ALIGN_INT, MASK_PCREL, TARGET_PCREL)
10553         (MASK_NO_STRICT_ALIGNMENT, TARGET_STRICT_ALIGNMENT, MASK_RTD)
10554         (TARGET_RTD, MASK_SEP_DATA, TARGET_SEP_DATA, MASK_ID_SHARED_LIBRARY)
10555         (TARGET_ID_SHARED_LIBRARY, MASK_ALL_CF_BITS, TARGET_SWITCHES)
10556         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS): Delete.
10557         (MASK_COLDFIRE): Formatting fixes.
10558         (TARGET_COLDFIRE): Turn into a boolean value for consistency.
10559         * config/m68k/linux.h (SUBTARGET_SWITCHES): Delete.
10560         * config/m68k/m68k.c (m68k_library_id_string): Initialize to
10561         "_current_shared_library_a5_offset_".
10562         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
10563         (MASK_ALL_CPU_BITS): New macro.
10564         (m68k_handle_option): New function.
10565         (override_options): Remove handling of m68k_library_id_string.
10566         * config/m68k/m68k.opt: New file.
10567         * config/m68k/ieee.opt: New file.
10568
10569 2005-04-11  Mark Mitchell  <mark@codesourcery.com>
10570
10571         * target-def.h (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
10572         (TARGET_CXX_DETERMINE_CLASS_VISIBILITY): New macro.
10573         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
10574         (TARGET_CXX): Adjust accordingly.
10575         * target.h (struct gcc_target): Remove epxort_class_data.  Add
10576         determine_class_data_visibility and class_data_always_comdat.
10577         * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
10578         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Document.
10579         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
10580         * config/arm/arm.c (arm_cxx_export_class_data): Remove.
10581         (arm_cxx_determine_class_data_visibility): New.
10582         (arm_cxx_class_data_always_comdat): Likewise.
10583         (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
10584         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
10585         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
10586         * config/arm/arm.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P): Define.
10587         * config/arm/symbian.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P):
10588         Define.
10589
10590 2005-04-11  Devang Patel  <dpatel@apple.com>
10591
10592         * tree-data-ref.c (build_classic_dist_vector,
10593         compute_subscript_distance): Make externally visible.
10594         * tree-data-ref.h (build_classic_dist_vector,
10595         compute_subscript_distance): Same.
10596         * tree-vect-analyze.c (vect_analyze_data_ref_dependence):
10597         Check distance vector against vectorization factor.
10598         (vect_analyze_loop): Determine vectorizaion factor before
10599         analyzing data dependences.
10600         * tree-vectorizer.c (loops_num): Make it externally visible and
10601         rename ...
10602         * tree-vectorizer.c (vect_loops_num): ... new name.
10603         * tree-vectorizer.h  (vect_loops_num): New.
10604
10605 2005-04-11  Devang Patel  <dpatel@apple.com>
10606
10607         * tree-vect-analyze.c (vect_analyze_operations): Check
10608         vectorizable codition.
10609         * tree-vect-transform.c (vect_is_simple_cond): New function.
10610         (vectorizable_condition): New function.
10611         (vect_transform_stmt): Handle condition_vec_info_type.
10612         * tree-vectorizer.h (enum stmt_vec_info_type): Add
10613         condition_vec_info_type.
10614         (vectorizable_condition): New.
10615
10616 2005-04-11  Geoffrey Keating  <geoffk@apple.com>
10617
10618         * config/i386/i386.h (TARGET_FPMATH_DEFAULT): New.
10619         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT): New.
10620         * config/i386/i386.c (override_options): Use TARGET_FPMATH_DEFAULT.
10621
10622         * config/i386/darwin.h (ASM_SPEC): Use -arch i386 not -arch i686.
10623         (SUBTARGET_EXTRA_SPECS): Always 'i386'.
10624
10625         * dwarf2out.c (output_line_info): Don't try to dereference
10626         a NULL current_function_decl.
10627
10628         * config/t-slibgcc-darwin: Don't put shared libraries in
10629         directories other than $(slibdir).
10630         * config/rs6000/darwin.h: Find -m64 libgcc under the name the
10631         OS uses for it.
10632
10633 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
10634
10635         PR tree-optimization/20933
10636         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Move
10637         logic to reject aliases between read-only and writable
10638         variables ...
10639         (may_alias_p): ... here.
10640         (get_tmt_for): Do not associate read-only tags to pointers
10641         whose pointed-to type is not read-only.
10642         * tree-ssa.c (verify_ssa): Check that memory stores have at
10643         least one V_MAY_DEF or V_MUST_DEF.
10644
10645 2005-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10646
10647         PR/17092
10648         * configure.ac (gcc_UNLOCKED_FUNCS): New.
10649         (AC_CHECK_FUNCS, AC_CHECK_DECLS): Check for gcc_UNLOCKED_FUNCS.
10650         * system.h (putchar, getc, getchar, clearerr, feof, fileno,
10651         fflush, fgetc, fgets, ferror, fread): Redefine to the associated
10652         _unlocked function.
10653         (fwrite_unlocked): Fix prototype.
10654
10655         * configure, config.in: Regenerate.
10656
10657 2005-04-11  David Edelsohn  <edelsohn@gnu.org>
10658
10659         * tree-ssa-loop-im.c: Include real.h.
10660         (determine_invariantness_stmt): If real division divisor is
10661         invariant and flag_unsafe_math_optimizations enabled, generate
10662         invariant reciprocal for hoisting.
10663         * Makefile.in (tree-ssa-loop-im.o): Add real.h dependency.
10664
10665 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
10666
10667         Fix PR tree-optimization/20926
10668
10669         * tree-ssa-alias.c (add_type_alias): Handle subvars.
10670
10671 2005-04-11  Devang Patel  <dpatel@apple.com>
10672
10673         * config/rs6000.c (rs6000_emit_vector_select): Fix vector select
10674         operand ordering.
10675
10676 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
10677
10678         * fold-const.c (fold_binary_op_with_conditional_arg):
10679         use fold_buildN instead of "fold (buildN" in some
10680         non obvious places.
10681         (fold_unary): Likewise.
10682         (fold_binary): Likewise.
10683
10684 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
10685
10686         Fix PR tree-optimization/20612
10687         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Fix increment
10688         handling
10689         (perfect_nestify): preheaderbb is *not* part of loop of the
10690         old destination.
10691
10692 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
10693
10694         * tree-ssa-alias.c (may_alias_p): If the variable
10695         is a global variable and the pointer is parameter
10696         and -fargument-noalias-global is used, then
10697         the pointer cannot alias the variable.
10698
10699 2005-04-11  James A. Morrison  <phython@gcc.gnu.org>
10700
10701         * config/sparc/sparc.c: Use gcc_assert and gcc_unreachable.
10702         * config/sparc/sparc.h: Likewise.
10703         * config/sparc/sparc.md: Likewise.
10704
10705 2005-04-11  Kazu Hirata  <kazu@cs.umass.edu>
10706
10707         * tree-vrp.c (maybe_add_assert_expr): Move a comment.
10708
10709         * tree-vrp.c: Fix a comment typo.
10710
10711 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
10712
10713         PR tree-optimization/20920
10714         * tree-pretty-print.c (dump_generic_node): Show '(ab)' if an
10715         SSA_NAME flows through an abnormal edge.
10716         * tree-vrp.c (infer_value_range): Ignore SSA names that flow
10717         through abnormal edges.
10718         (maybe_add_assert_expr): Likewise.
10719
10720 2005-04-11  Richard Sandiford  <rsandifo@redhat.com>
10721
10722         * config/s390/s390.h (s390_tune_string, s390_arch_string)
10723         (s390_warn_framesize_string, s390_warn_dynamicstack_string)
10724         (s390_stack_size_string, s390_stack_guard_string, target_flags)
10725         (MASK_HARD_FLOAT, MASK_SMALL_EXEC, MASK_DEBUG_ARG, MASK_64BIT)
10726         (MASK_ZARCH, MASK_MVCLE, MASK_TPF_PROFILING, MASK_NO_FUSED_MADD)
10727         (MASK_BACKCHAIN, MASK_PACKED_STACK, TARGET_HARD_FLOAT)
10728         (TARGET_SOFT_FLOAT, TARGET_SMALL_EXEC, TARGET_DEBUG_ARG)
10729         (TARGET_64BIT, TARGET_ZARCH, TARGET_MVCLE, TARGET_TPF_PROFILING)
10730         (TARGET_NO_FUSED_MADD, TARGET_FUSED_MADD, TARGET_BACKCHAIN)
10731         (TARGET_PACKED_STACK, TARGET_SWITCHES, TARGET_OPTIONS): Delete.
10732         * config/s390/s390.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
10733         (TARGET_HANDLE_OPTION): Likewise.
10734         (s390_tune): Initialize to PROCESSOR_max.
10735         (s390_arch_string): Make static.
10736         (s390_tune_string, s390_warn_framesize_string): Delete.
10737         (s390_warn_dynamicstack_string, s390_stack_size_string): Delete.
10738         (s390_stack_guard_string, s390_warn_dynamicstack_p): Delete.
10739         (s390_handle_arch_option, s390_handle_option): New functions.
10740         (override_options): Remove parsing of option strings.
10741         * config/s390/s390.opt: New file.
10742
10743 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
10744
10745         * tree-complex.c (expand_vector_operations): Call
10746         update_stmt_if_modified.
10747
10748 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
10749
10750         * tree-vect-analyze (vect_determine_vectorization_factor):
10751         Do not use GET_MODE_NUNITS.
10752         * tree-vect-transform.c (vect_get_vec_def_for_operand,
10753         (vectorizable_load, vect_transform_loop): Likewise.
10754
10755 2005-04-11  Uros Bizjak  <uros@kss-loka.si>
10756
10757         * builtins.def (BUILT_IN_LCEIL, BUILT_IN_LCEILF, BUILT_IN_LCEILL)
10758         (BUILT_IN_LLCEIL, BUILT_IN_LLCEILF, BUILT_IN_LLCEILL): New.
10759         * optabs.h (enum optab_index): Add new OTI_lceil.
10760         (lceil_optab): Define corresponding macro.
10761         * optabs.c (init_optabs): Initialize lceil_optab.
10762         * genopinit.c (optabs): Implement lceil_optab using lceilsi2
10763         and lceildi2 patterns.
10764         * builtins.c (expand_builtin_int_roundingfn): Handle
10765         BUILT_IN_LCEIL{,F,L} and BUILT_IN_LLCEIL{,F,L}.
10766         (fold_builtin_int_roundingfn): Handle BUILT_IN_LCEIL{,F,L} and
10767         BUILT_IN_LLCEIL{,F,L}.
10768         (fold_builtin_1): Fold BUILT_IN_LCEIL{,F,L} and
10769         BUILT_IN_LLCEIL{,F,L} using fold_builtin_int_roundingfn.
10770         (mathfn_built_in): Handle BUILT_IN LCEIL and BUILT_IN_LLCEIL.
10771         (expand_builtin): Expand BUILT_IN_LCEIL{,F,L} and
10772         BUILT_IN_LLCEIL{,F,L} using expand_builtin_int_roundingfn.
10773         * convert.c (convert_to_integer): Convert (long int)ceil{,f,l},
10774         into lceil built-in function and (long long int)ceil{,f,l} into
10775         llceil built-in function.
10776         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LCEIL and
10777         BUILT_IN_LLCEIL.
10778
10779 2005-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10780
10781         * pa/quadlib.c (_U_Qfneg): Toggle sign bit instead of subtracting from
10782         zero.
10783
10784 2005-04-10  Kazu Hirata  <kazu@cs.umass.edu>
10785
10786         * config/arm/arm.c: Fix a comment typo.
10787         * doc/tree-ssa.texi: Fix a typo.
10788
10789 2005-04-10  Steven Bosscher  <stevenb@suse.de>
10790
10791         * cselib.c (clear_table): Rename to cselib_clear_table.
10792         * cselib.h (cselib_clear_table): Add prototype.
10793         * gcse.c (gcse_main): Make 'f' argument unused.
10794         (alloc_gcse_mem): Do not walk the insn chain, walk the contents
10795         of each basic block instead.
10796         (compute_sets, compute_hash_table_work): Likewise.
10797         (constprop_register): Change int 'alter_jumps' argument to bool.
10798         (do_local_cprop): Likewise.
10799         (local_cprop_pass): Likewise.  Also walk basic blocks instead of
10800         the insn chain.  Explicitly clear the cselib tables after finishing
10801         one basic block.  Make sure there are no unterminated libcall blocks.
10802         Update compute_sets call.
10803         (cprop): Walk basic blocks instead of the insn chain.
10804         (one_cprop_pass, compute_ld_motion_mems, compute_store_table):
10805         Likewise.
10806         (bypass_jumps): Update alloc_gcse_mem, compute_sets, and
10807         one_cprop_pass calls.
10808
10809 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
10810
10811         * combine.c (combine_simplify_rtx): Remove a transformation that
10812         relies on an invalid assumption about rtl sign-extension semantics.
10813
10814 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
10815
10816         * value-prof.c (tree_divmod_fixed_value_transform): Fix arguments
10817         to build_int_cst_wide.
10818
10819 2005-04-09  Alexandre Oliva  <aoliva@redhat.com>
10820
10821         PR target/20126
10822         * loop.c (loop_givs_rescan): If replacement of DEST_ADDR failed,
10823         set the original address pseudo to the correct value before the
10824         original insn, if possible, and leave the insn alone, otherwise
10825         create a new pseudo, set it and replace it in the insn.
10826         * recog.c (validate_change_maybe_volatile): New.
10827         * recog.h (validate_change_maybe_volatile): Declare.
10828
10829 2005-04-09  Caroline Tice  <ctice@apple.com>
10830
10831         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
10832         Remove targetm.have_named_sections test.
10833         (fix_edges_for_rarely_executed_code): Likewise.
10834         (insert_section_boundary_note): Likewise.
10835         (reorder_basic_blocks): Check partitioning flag before calling
10836         verify_hot_cold_block_grouping.
10837         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
10838         the function struct rather than global variables.
10839         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
10840         (COLD_END_LABEL): Likewise
10841         (cold_text_section_label): New static global variable.
10842         (cold_end_label): Likewise.
10843         (dwarf2out_switch_text_section): Get hot/cold section labels from
10844         the function struct rather than global variables.
10845         (output_aranges): Use cold_text_section_label and cold_end_label;
10846         check partitioning flag before putting out delta.
10847         (output_ranges): Remove incorrect code attempting to use
10848         hot/cold labels.
10849         (output_line_info): Get cold section label from function struct.
10850         (add_location_or_const_value_attribute): Likewise.
10851         (get_subprogram_die): Get hot/cold section labels from function struct.
10852         (dwarf2out_var_location): Likewise.
10853         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
10854         write out cold_text_section_label if partition flag is set.
10855         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
10856         * function.h (struct function): Add new fields to point to hot/cold
10857         section labels: hot_section_label, cold_section_label,
10858         hot_section_end_label and cold_section_end_label; also add new field
10859         for cold text section name, unlikely_text_section_name.
10860         * opts.c (decode_options): Turn off partitioning flag if
10861         !targetm.have_named_sections.
10862         * output.h (hot_section_label): Remove.
10863         (hot_section_end_label): Remove.
10864         (cold_section_end_label): Remove.
10865         (unlikely_section_label): Remove.
10866         (unlikely_text_section_name): Remove.
10867         * passes.c (rest_of_handle_final):  Remove code that frees
10868         unlikely_text_section_name.
10869         * varasm.c (unlikely_section_label): Remove.
10870         (hot_section_label): Remove.
10871         (hot_section_end_label): Remove.
10872         (cold_section_end_label): Remove.
10873         (unlikely_text_section_name):  Remove.
10874         (initialize_cold_section_name): Modify to call
10875         targetm.strip_name_encoding; to store cold section name in current
10876         function struct, if it exists; and to only use the decl_section_name
10877         if flag_named_sections is true.
10878         (unlikely_text_section): Modify to get section name out of current
10879         function struct, if there is one; otherwise build it from
10880         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
10881         (in_unlikely_text_section): Likewise.
10882         (named_section): Modify to get/put cold section name in current function
10883         struct, if there is one.
10884         (function_section):  Change 'bool unlikely' to 'int reloc'; check
10885         targetm.have_named_sections before calling named_section.
10886         (current_function_section): Likewise.
10887         (assemble_start_function): Modify to get/put unlikely_text_section_name
10888         in current function struct; modify to get hot/cold section labels
10889         from function struct; initialize labels using
10890         ASM_GENERATE_INTERNAL_LABEL;
10891         test partitioning flag before writing out hot section label.
10892         (assemble_end_function): Test partitioning flag before writing out
10893         hot/cold section labels.
10894         (default_section_type_flags_1):  Modify to use array instead of
10895          char* for unlikely_text_section_name; set flags correctly for
10896          cold text section if there is not a current function decl.
10897
10898 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
10899
10900         * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
10901         and TI_VA_LIST_FPR_COUNTER_FIELD.
10902         (va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
10903         * tree-pass.h (pass_stdarg): Add.
10904         * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
10905         * tree-stdarg.c: New file.
10906         * tree-stdarg.h: New file.
10907         * Makefile.in (OBJS-common): Add tree-stdarg.o.
10908         (tree-stdarg.o): Add dependencies.
10909         * function.h (struct function): Add va_list_gpr_size and
10910         va_list_fpr_size fields.
10911         * function.c (allocate_struct_function): Initialize them.
10912         * target.h (struct gcc_target): Add stdarg_optimize_hook.
10913         * target-def.h (TARGET_STDARG_OPTIMIZE_HOOK): Define.
10914         (TARGET_INITIALIZER): Add it.
10915
10916         * config/i386/i386.c (ix86_build_builtin_va_list): Initialize
10917         va_list_{g,f}pr_counter_field.
10918         (ix86_setup_incoming_varargs): Don't do anything if reg_save
10919         area will not be used.  Only save registers that tree-stdarg.c
10920         detected they need saving.
10921         (ix86_va_start): Don't set up fields that won't be used.
10922
10923         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
10924         va_list_{g,f}pr_counter_field.
10925         (setup_incoming_varargs): Don't do anything if reg_save
10926         area will not be used.  Only save registers that tree-stdarg.c
10927         detected they need saving.
10928         (rs6000_va_start): Don't set up fields that won't be used.
10929
10930         * config/alpha/alpha.c: Include tree-flow.h and tree-stdarg.h.
10931         (alpha_build_builtin_va_list): Initialize va_list_gpr_counter_field.
10932         (va_list_skip_additions, alpha_stdarg_optimize_hook): New functions.
10933         (TARGET_STDARG_OPTIMIZE_HOOK): Define.
10934
10935 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
10936
10937         PR target/20795
10938         * config/i386/i386.c (construct_container): Pass empty aligned
10939         struct, union or class in memory.
10940
10941 2005-04-09  Kazu Hirata  <kazu@cs.umass.edu>
10942
10943         * dominance.c, gthr-win32.h, reg-stack.c, tree-ssa-copy.c,
10944         tree-ssa-operands.c, tree-ssa.c, tree-vrp.c, varasm.c,
10945         config/alpha/alpha.c, config/arm/arm.c, config/m32r/m32r.h,
10946         config/rs6000/predicates.md: Fix comment typos.
10947
10948         * sched-int.h (haifa_insn_data): Remove blockage and units.
10949         (INSN_UNIT, INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK,
10950         ENCODE_BLOCKAGE, UNIT_BLOCKED, BLOCKAGE_RANGE,
10951         MIN_BLOCKAGE_COST, MAX_BLOCKAGE_COST): Remove.
10952
10953 2005-04-09  Jan Hubicka  <jh@suse.cz>
10954             Steven Bosscher  <stevenb@suse.de>
10955
10956         * cfglayout.c (copy_bbs): Rename n_edges to num_edges.
10957         * cfgloop.c (get_loop_exit_edges): Likewise.
10958         * cfgloopmanip.c (fix_irreducible_loops): Likewise.
10959         (unloop): Likewise.
10960         * loop-unroll.c (analyze_insns_in_loop): Likewise.
10961         * tree-cfg.c (dump_cfg_status): Likewise.
10962
10963 2005-04-09  David Edelsohn  <edelsohn@gnu.org>
10964
10965         * config/rs6000/predicates.md (altivec_register_operand): Remove
10966         redundant match_code test.
10967         (gpc_reg_operand): Same.
10968         (cc_reg_operand): Same.
10969         (cc_reg_not_cr0_operand): Same.
10970
10971 2005-04-09  Jan Hubicka  <jh@suse.cz>
10972
10973         Forgotten hunk from my last merge patch:
10974         * final.c (output_addr_const): Do not call mark_referenced.
10975
10976 2005-04-09  Andrew MacLeod  <amacleod@redhat.com>
10977
10978         * doc/tree-ssa.texi: Add immediate use documentation.
10979
10980 2005-04-09  Richard Earnshaw <richard.earnshaw@arm.com>
10981
10982         * arm.c (FL_WBUF): Define.
10983         (arm_tune_strongarm): Renamed from arm_is_strong.  All uses changed.
10984         (arm_is_6_or_7): Delete.
10985         (arm_tune_wbuf): New.
10986         (arm_override_options): Set arm_tune_wbuf.
10987         * arm.h (arm_tune_strongarm): Renamed from arm_is_strong.
10988         (arm_is_6_or_7): Delete declaration.
10989         (arm_tune_wbuf): New declartion.
10990         * arm.md (is_strongarm): Derive from arm_tune_strongarm.
10991         (model_wbuf): Derive from arm_tune_wbuf.
10992         * arm-cores.def (arm600, arm610, arm620, arm700, arm700i, arm710)
10993         (arm720, arm710c, arm7100, arm7500, arm7500fe, arm710t, arm720t)
10994         (arm740t): Mark CPUs as having a write buffer.
10995
10996 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
10997
10998         * config/i386/i386.md (*fp_jcc_7_387): Use 'const0_operand' instead
10999         of 'const_double_operand' in operand 2 constraints.  Update enable
11000         condition.
11001
11002 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
11003
11004         * builtins.def (BUILT_IN_LFLOOR, BUILT_IN_LFLOORF, BUILT_IN_LFLOORL)
11005         (BUILT_IN_LLFLOOR, BUILT_IN_LLFLOORF, BUILT_IN_LLFLOORL): New.
11006         * optabs.h (enum optab_index): Add new OTI_lfloor.
11007         (lfloor_optab): Define corresponding macro.
11008         * optabs.c (init_optabs): Initialize lfloor_optab.
11009         * genopinit.c (optabs): Implement lfloor_optab using lfloorsi2
11010         and lfloordi2 patterns.
11011         * builtins.c (expand_builtin_int_roundingfn): New prototype.
11012         (expand_builtin_int_roundingfn): New function.
11013         (fold_builtin_int_roundingfn): New prototype.
11014         (fold_builtin_int_roundingfn): New function, renamed from
11015         fold_builtin_lround.
11016         Handle BUILT_IN_LROUND{,F,L}, BUILT_IN_LLROUND{,F,L} and
11017         BUILT_IN_LFLOOR{,F,L}, BUILT_IN_LLFLOOR{,F,L}.
11018         (fold_builtin_1): Fold BUILT_IN_LFLOOR{,F,L} and
11019         BUILT_IN_LLFLOOR{,F,L} using fold_builtin_int_roundingfn.
11020         (mathfn_built_in): Handle BUILT_IN LFLOOR and BUILT_IN_LLFLOOR.
11021         (expand_builtin): Expand BUILT_IN_LFLOOR{,F,L} and
11022         BUILT_IN_LLFLOOR{,F,L} using expand_builtin_int_roundingfn.
11023         * convert.c (convert_to_integer): Convert (long int)floor{,f,l},
11024         into lfloor built-in function and (long long int)floor{,f,l} into
11025         llfloor built-in function.
11026         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LFLOOR and
11027         BUILT_IN_LLFLOOR.
11028
11029 2005-04-08  Ian Lance Taylor  <ian@airs.com>
11030
11031         * c-common.def: Move FOR_STMT, WHILE_STMT, DO_STMT, BREAK_STMT,
11032         CONTINUE_STMT, and SWITCH_STMT to cp/cp-tree.def.
11033         * c-common.h (WHILE_COND, WHILE_BODY): Move to cp/cp-tree.h.
11034         (DO_COND, DO_BODY): Likewise.
11035         (FOR_INIT_STMT, FOR_COND, FOR_EXPR, FOR_BODY): Likewise.
11036         (SWITCH_STMT_COND, SWITCH_STMT_BODY, SWITCH_STMT_TYPE): Likewise.
11037         (c_common_stmt_codes): Remove FOR_STMT, WHILE_STMT, DO_STMT,
11038         BREAK_STMT, CONTINUE_STMT, and SWITCH_STMT.
11039         (build_continue_stmt, build_break_stmt): Don't declare.
11040         (c_do_switch_warnings): Update declaration.
11041         * c-gimplify.c (enum bc_t): Remove.
11042         (struct c_gimplify_ctx, ctxp): Remove.
11043         (push_context, pop_context): Remove static functions.
11044         (c_genericize): Don't call push_context or pop_context.
11045         (begin_bc_block, finish_bc_block): Remove static functions.
11046         (build_bc_goto): Likewise.
11047         (gimplify_c_loop): Likewise.
11048         (gimplify_for_stmt, gimplify_while_stmt): Likewise.
11049         (gimplify_do_stmt, gimplify_switch_stmt): Likewise.
11050         (c_gimplify_expr): Remove handling of FOR_STMT, WHILE_STMT,
11051         DO_STMT, SWITCH_STMT, CONTINUE_STMT, BREAK_STMT.
11052         * c-common.c (c_do_switch_warnings): Rename from
11053         c_do_switch_warnings_1.
11054         (c_do_switch_warnings) [old version]: Remove.
11055         (c_do_switch_expr_warnings): Remove.
11056         * c-typeck.c (c_finish_case): Call new c_do_switch_warnings
11057         function instead of c_do_switch_expr_warnings.
11058         * c-dump.c (c_dump_tree): Remove handling of BREAK_STMT,
11059         CONTINUE_STMT, DO_STMT, FOR_STMT, SWITCH_STMT, and WHILE_STMT.
11060         * c-pretty-print.c (pp_c_statement): Likewise.
11061         * c-semantics.c (build_break_stmt, build_continue_stmt): Remove.
11062
11063 2005-04-08  Devang Patel  <dpatel@apple.com>
11064
11065         * tree-if-conv.c (find_phi_replacement_condition): New parameter, loop.
11066         While selecting replacement condition pay attention to loop header.
11067
11068 2005-04-08  Diego Novillo  <dnovillo@redhat.com>
11069
11070         Merge from tree-cleanup-branch: VRP, store CCP, store
11071             copy-prop, incremental SSA updating of FUD chains and
11072             newly exposed symbols.
11073
11074         * Makefile.in (tree-ssa-copy.o): Depend on tree-ssa-propagate.h.
11075         (OBJS-common): Add tree-vrp.o.
11076         (tree-vrp.o): New rule.
11077         * basic-block.h (nearest_common_dominator_for_set): Declare.
11078         * common.opt (ftree-store-ccp): New flag.
11079         (ftree-copy-prop): New flag.
11080         (ftree-vrp): New flag.
11081         (ftree-store-copy-prop): New flag.
11082         * dominance.c (nearest_common_dominator_for_set): New.
11083         * domwalk.c (walk_dominator_tree): Only traverse
11084         statements in blocks marked in walk_data->interesting_blocks.
11085         * domwalk.h (struct dom_walk_data): Add field interesting_blocks.
11086         * fold-const.c (fold): Handle ASSERT_EXPR.
11087         * opts.c (decode_options): Set flag_tree_copy_prop at -O1.
11088         Set flag_tree_store_ccp, flag_tree_store_copy_prop and
11089         flag_tree_vrp at -O2.
11090         * timevar.def (TV_TREE_VRP): Define.
11091         (TV_TREE_COPY_PROP): Define.
11092         (TV_TREE_STORE_COPY_PROP): Define.
11093         (TV_TREE_SSA_INCREMENTAL): Define.
11094         (TV_TREE_STORE_CCP): Define.
11095         * tree-cfg.c (tree_can_merge_blocks_p): Remove reference
11096         to kill_redundant_phi_nodes from comment.
11097         (verify_expr): Handle ASSERT_EXPR.
11098         * tree-dfa.c (mark_new_vars_to_rename): Remove second
11099         argument.  Update all users.
11100         (mark_call_clobbered_vars_to_rename): Remove.  Update all
11101         users.
11102         * tree-flow-inline.h (unmodifiable_var_p): New.
11103         * tree-flow.h (enum value_range_type): Declare.
11104         (struct value_range_def): Declare.
11105         (value_range): Declare.
11106         (remove_all_phi_nodes_for): Remove.  Update all users.
11107         (find_phi_node_for): Declare.
11108         (add_type_alias): Declare.
11109         (count_uses_and_derefs): Declare.
11110         (kill_redundant_phi_nodes): Remove.
11111         (rewrite_into_ssa): Remove.
11112         (rewrite_def_def_chains): Remove.
11113         (update_ssa, register_new_name_mapping, create_new_def_for,
11114         need_ssa_update_p, name_registered_for_update_p,
11115         release_ssa_name_after_update_ssa, dump_repl_tbl,
11116         debug_repl_tbl, dump_names_replaced_by,
11117         debug_names_replaced_by, mark_sym_for_renaming,
11118         mark_set_for_renaming, get_current_def, set_current_def,
11119         get_value_range, dump_value_range, debug_value_range,
11120         dump_all_value_ranges, debug_all_value_ranges,
11121         expr_computes_nonzero, loop_depth_of_name,
11122         unmodifiable_var_p): Declare.
11123         * tree-gimple.c (is_gimple_formal_tmp_rhs): Handle
11124         ASSERT_EXPR.
11125         * tree-into-ssa.c (block_defs_stack): Update comment.
11126         (old_ssa_names, new_ssa_names, old_virtual_ssa_names,
11127         syms_to_rename, names_to_release, repl_tbl,
11128         need_to_initialize_update_ssa_p, need_to_update_vops_p,
11129         need_to_replace_names_p): New locals.
11130         (NAME_SETS_GROWTH_FACTOR): Define.
11131         (struct repl_map_d): Declare.
11132         (struct mark_def_sites_global_data): Add field
11133         interesting_blocks.
11134         (enum rewrite_mode): Declare.
11135         (REGISTER_DEFS_IN_THIS_STMT): Define.
11136         (compute_global_livein): Use last_basic_block instead of
11137         n_basic_blocks.
11138         (set_def_block): Remove last argument.  Update all callers.
11139         (prepare_use_operand_for_rename): Remove.  Update all callers.
11140         (prepare_def_operand_for_rename): Remove.  Update all callers.
11141         (symbol_marked_for_renaming): New.
11142         (is_old_name): New.
11143         (is_new_name): New.
11144         (repl_map_hash): New.
11145         (repl_map_eq): New.
11146         (repl_map_free): New.
11147         (names_replaced_by): New.
11148         (add_to_repl_tbl): New.
11149         (add_new_name_mapping): New.
11150         (mark_def_sites): Assume that all the operands in the
11151         statement are in normal form.
11152         (find_idf): Assert that the block in the stack is valid.
11153         (get_default_def_for): New.
11154         (insert_phi_nodes_for): Add new argument 'update_p'.
11155         Add documentation.
11156         If update_p is true, add a new mapping between the LHS of
11157         each new PHI and the name that it replaces.
11158         (insert_phi_nodes_1): Only call find_idf if needed.
11159         (get_reaching_def): Call get_default_def_for.
11160         (rewrite_operand): Remove.
11161         (rewrite_stmt): Do nothing if REGISTER_DEFS_IN_THIS_STMT
11162         and REWRITE_THIS_STMT are false.
11163         Assume that all the operands in the statement are in
11164         normal form.
11165         (rewrite_add_phi_arguments): Don't use PHI_REWRITTEN.
11166         (rewrite_virtual_phi_arguments): Remove.
11167         (invalidate_name_tags): Remove.
11168         (register_new_update_single, register_new_update_set,
11169         rewrite_update_init_block, replace_use,
11170         rewrite_update_fini_block, rewrite_update_stmt,
11171         rewrite_update_phi_arguments): New.
11172         rewrite_blocks): Remove argument 'fix_virtual_phis'.
11173         Add arguments 'entry', 'what' and 'blocks'.
11174         Initialize the dominator walker according to 'what' and
11175         'blocks'.
11176         Start the dominator walk at 'entry'.
11177         (mark_def_site_blocks): Add argument 'interesting_blocks'.
11178         Use it to configure the dominator walker.
11179         (rewrite_into_ssa): Remove argument 'all'.
11180         Make internal.
11181         (rewrite_all_into_ssa): Remove.
11182         (rewrite_def_def_chains): Remove.
11183         (mark_def_interesting, mark_use_interesting,
11184         prepare_phi_args_for_update, prepare_block_for_update,
11185         prepare_def_site_for, prepare_def_sites,
11186         dump_names_replaced_by, debug_names_replaced_by,
11187         dump_repl_tbl, debug_repl_tbl, init_update_ssa,
11188         delete_update_ssa, create_new_def_for,
11189         register_new_name_mapping, mark_sym_for_renaming,
11190         mark_set_for_renaming, need_ssa_update_p,
11191         name_registered_for_update_p, ssa_names_to_replace,
11192         release_ssa_name_after_update_ssa,
11193         insert_updated_phi_nodes_for, update_ssa): New.
11194         * tree-loop-linear.c (linear_transform_loops): Call
11195         update_ssa instead of rewrite_into_ssa.
11196         * tree-optimize.c (vars_to_rename): Remove.
11197         Update all users.
11198         (init_tree_optimization_passes): Replace
11199         pass_redundant_phi with pass_copy_prop.
11200         Add pass_vrp.
11201         Replace pass_ccp with pass_store_ccp.
11202         Add pass_store_copy_prop after pass_store_ccp.
11203         (execute_todo): If the TODO_ flags don't include updating
11204         the SSA form, assert that it does not need to be updated.
11205         Call update_ssa instead of rewrite_into_ssa and
11206         rewrite_def_def_chains.
11207         If TODO_verify_loops is set, call verify_loop_closed_ssa.
11208         (tree_rest_of_compilation):
11209         * tree-pass.h (TODO_dump_func, TODO_ggc_collect,
11210         TODO_verify_ssa, TODO_verify_flow, TODO_verify_stmts,
11211         TODO_cleanup_cfg): Renumber.
11212         (TODO_verify_loops, TODO_update_ssa,
11213         TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
11214         TODO_update_ssa_only_virtuals): Define.
11215         (pass_copy_prop, pass_store_ccp, pass_store_copy_prop, pass_vrp):
11216         Declare.
11217         * tree-phinodes.c (make_phi_node): Update documentation.
11218         (remove_all_phi_nodes_for): Remove.
11219         (find_phi_node_for): New.
11220         * tree-pretty-print.c (dump_generic_node): Handle ASSERT_EXPR.
11221         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Likewise.
11222         (interpret_rhs_modify_expr): Likewise.
11223         * tree-sra.c (decide_instantiations): Mark all symbols in
11224         SRA_CANDIDATES for renaming.
11225         (mark_all_v_defs_1): Rename from mark_all_v_defs.
11226         (mark_all_v_defs): New function.  Update all users to call it
11227         with the whole list of scalarized statements, not just the
11228         first one.
11229         * tree-ssa-alias.c (count_ptr_derefs): Make extern.
11230         (compute_flow_insensitive_aliasing): If the tag is
11231         unmodifiable and the variable isn't or vice-versa, don't
11232         make them alias of each other.
11233         (setup_pointers_and_addressables): If the type tag for
11234         VAR is about to change, mark the old one for renaming.
11235         (add_type_alias): New.
11236         * tree-ssa-ccp.c: Document SSA-CCP and STORE-CCP.
11237         (ccp_lattice_t): Rename from latticevalue.
11238         (value): Remove.  Update all users.
11239         (const_val): New local variable.
11240         (do_store_ccp): New local variable.
11241         (dump_lattice_value): Handle UNINITIALIZED.
11242         (debug_lattice_value): New.
11243         (get_default_value): Re-write.
11244         (set_lattice_value): Re-write.
11245         (def_to_varying): Remove.  Update all users.
11246         (likely_value): Return VARYING for statements that make
11247         stores when STORE_CCP is false.
11248         Return VARYING for any statement other than MODIFY_EXPR,
11249         COND_EXPR and SWITCH_EXPR.
11250         (ccp_initialize): Re-write.
11251         (replace_uses_in, replace_vuse_in, substitute_and_fold):
11252         Move to tree-ssa-propagate.c.
11253         (ccp_lattice_meet): Handle memory stores when
11254         DO_STORE_CCP is true.
11255         (ccp_visit_phi_node): Likewise.
11256         (ccp_fold): Likewise.
11257         (evaluate_stmt): Likewise.
11258         (visit_assignment): Likewise.
11259         (ccp_visit_stmt): Likewise.
11260         (execute_ssa_ccp): Add argument 'store_ccp'.  Copy it
11261         into DO_STORE_CCP.
11262         (do_ssa_ccp): New.
11263         (pass_ccp): Use it.
11264         (do_ssa_store_ccp): New.
11265         (gate_store_ccp): New.
11266         (pass_store_ccp): Declare.
11267         * tree-ssa-copy.c: Include tree-ssa-propagate.h.
11268         (may_propagate_copy): Reformat.
11269         Don't abort if ORIG is a virtual and DEST isn't.
11270         If NEW does not have alias information but DEST does,
11271         copy it.
11272         (copy_of, cached_last_copy_of, do_store_copy_prop, enum
11273         copy_prop_kind, which_copy_prop): Declare.
11274         (stmt_may_generate_copy, get_copy_of_val,
11275         get_last_copy_of, set_copy_of_val, dump_copy_of,
11276         copy_prop_visit_assignment, copy_prop_visit_cond_stmt,
11277         copy_prop_visit_stmt, copy_prop_visit_phi_node,
11278         init_copy_prop, fini_copy_prop, execute_copy_prop,
11279         gate_copy_prop, do_copy_prop, gate_store_copy_prop,
11280         store_copy_prop): New.
11281         (pass_copy_prop, pass_store_copy_prop): Declare.
11282         * tree-ssa-dom.c (struct opt_stats_d): Add fields
11283         'num_const_prop' and 'num_copy_prop'.
11284         (cprop_operand): Update them.
11285         (dump_dominator_optimization_stats): Dump them.
11286         (tree_ssa_dominator_optimize): Call update_ssa instead of
11287         rewrite_into_ssa.
11288         (loop_depth_of_name): Declare extern.
11289         (simplify_cond_and_lookup_avail_expr): Guard against NULL
11290         values for LOW or HIGH.
11291         (cprop_into_successor_phis): Only propagate if NEW != ORIG.
11292         (record_equivalences_from_stmt): Call expr_computes_nonzero.
11293         (cprop_operand): Only propagate if VAL != OP.
11294         * tree-ssa-dse.c (dse_optimize_stmt): Mark symbols in removed
11295         statement for renaming.
11296         * tree-ssa-loop-im.c (move_computations): Call update_ssa.
11297         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call
11298         add_type_alias if necessary.
11299         Call mark_new_vars_to_rename.
11300         (tree_ssa_iv_optimize): If new symbols need to be renamed,
11301         mark every statement updated, call update_ssa and
11302         rewrite_into_loop_closed_ssa.
11303         * tree-ssa-loop-manip.c (add_exit_phis): Do not remove DEF_BB
11304         from LIVEIN if VAR is a virtual.
11305         * tree-ssa-loop.c (tree_loop_optimizer_init): Call update_ssa.
11306         * tree-ssa-operands.c (get_expr_operands): Handle ASSERT_EXPR.
11307         (get_call_expr_operands): Reformat statement.
11308         (add_stmt_operand): Don't create V_MAY_DEFs for read-only
11309         symbols.
11310         * tree-ssa-propagate.c (ssa_prop_init): Initialize
11311         SSA_NAME_VALUE for every name.
11312         (first_vdef, stmt_makes_single_load, stmt_makes_single_store,
11313         get_value_loaded_by): New.
11314         (replace_uses_in, replace_vuses_in, replace_phi_args_in,
11315         substitute_and_fold): Move from tree-ssa-ccp.c.
11316         * tree-ssa-propagate.h (struct prop_value_d, prop_value_t,
11317         first_vdef, stmt_makes_single_load, stmt_makes_single_store,
11318         get_value_loaded_by, replace_uses_in, substitute_and_fold):
11319         Declare.
11320         * tree-ssa.c (verify_use): Fix error message.
11321         (propagate_into_addr, replace_immediate_uses, get_eq_name,
11322         check_phi_redundancy, kill_redundant_phi_nodes,
11323         pass_redundant_phi): Remove.  Update all users.
11324         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
11325         add_type_alias, if necessary.
11326         * tree-vectorizer.h (struct _stmt_vect_info): Update
11327         documentation for field 'memtag'.
11328         * tree-vrp.c: New file.
11329         * tree.def (ASSERT_EXPR): Define.
11330         * tree.h (ASSERT_EXPR_VAR): Define.
11331         (ASSERT_EXPR_COND): Define.
11332         (SSA_NAME_VALUE_RANGE): Define.
11333         (struct tree_ssa_name): Add field 'value_range'.
11334         (PHI_REWRITTEN): Remove.
11335         (struct tree_phi_node): Remove field 'rewritten'.
11336         * doc/invoke.texi (-fdump-tree-storeccp, -ftree-copy-prop,
11337         -ftree-store-copy-prop): Document.
11338         * doc/tree-ssa.texi: Remove broken link to McCAT's compiler.
11339         Document usage of update_ssa.
11340
11341 2005-04-08  David Edelsohn  <edelsohn@gnu.org>
11342
11343         PR target/20814
11344         * config/rs6000/predicates.md (altivec_register_operand): Accept
11345         SUBREG.
11346         (and64_operand): Do not limit CONST_INT to mask64_operand.
11347         (and64_2_operand): Do not limit CONST_INT to mask64_1or2_operand.
11348         (and_operand): Do not limit CONST_INT to mask_operand.
11349
11350 2005-04-09  Hans-Peter Nilsson  <hp@axis.com>
11351
11352         PR rtl-optimization/20466
11353         * flow.c (invalidate_mems_from_set): Handle a MEM by checking it
11354         for overlap of the address of each list member.
11355         (mark_set_1): Call invalidate_mems_from_set for MEMs too.
11356
11357 2005-04-08  Mike Stump  <mrs@apple.com>
11358
11359         * config/darwin.c (indirect_data): Fix typo in strncmp logic.
11360
11361         * config/rs6000/rs6000.c (rs6000_emit_prologue): Use 5 nops,
11362         instead of 4.
11363
11364 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
11365
11366         * c-tree.h (C_LANG_TREE_NODE_CHAIN_NEXT): Remove.
11367
11368         * function.c (push_function_context_to): Don't set
11369         contains_functions.
11370         * function.h (function): Remove contains_functions.
11371         (current_function_contains_functions): Remove.
11372
11373         * function.h (function): Remove instrument_entry_exit.
11374         (current_function_instrument_entry_exit): Remove.
11375
11376         * function.h (nonlocal_labels): Remove.
11377
11378         * tree.h (STRIP_MAIN_TYPE_NOPS): Remove.
11379
11380         * genattrtab.c (attr_desc): Remove negative_ok and unsigned_p.
11381         (check_attr_value, write_attr_get, write_expr_attr_cache,
11382         find_attr, make_internal_attr): Don't reference negative_ok or
11383         unsigned_p.
11384         * genattrtab.h (ATTR_NEGATIVE_OK, ATTR_UNSIGNED,
11385         ATTR_FUNC_UNITS, ATTR_BLOCKAGE): Remove.
11386         (ATTR_STATIC): Adjust the value.
11387
11388         * c-common.h (C_ARTIFICIAL_STRING_P): Remove.
11389
11390 2005-04-08  Ulrich Weigand  <uweigand@de.ibm.com>
11391
11392         * config/s390/tpf.h (ASM_SPEC): Define.
11393
11394 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
11395
11396         * tree-flow.h: Remove the prototype for
11397         redirect_immediate_uses.
11398         (TDFA_USE_OPS, TDFA_USE_VOPS): Remove.
11399
11400 2005-04-08  Richard Earnshaw  <richard.earnshaw@arm.com>
11401
11402         * arm.c (arm_const_double_by_parts): New function.
11403         * arm-protos.h (arm_const_double_by_parts): Add prototype.
11404         * arm.md (define_split for 64-bit constants): Add another one.
11405
11406 2005-04-08  Andrew MacLeod  <amacleod@redhat.com>
11407
11408         * tree-ssa-operands.c (correct_use_link): Remove linear scan.
11409
11410 2005-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11411
11412         * system.h: Revert last change.
11413
11414 2005-04-08  Richard Sandiford  <rsandifo@redhat.com>
11415
11416         * config/xtensa/xtensa.h (target_flags, MASK_NO_FUSED_MADD)
11417         (MASK_CONST16, TARGET_NO_FUSED_MADD, TARGET_CONST16)
11418         (TARGET_SWITCHES): Delete.
11419         * config/xtensa/xtensa.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
11420         * config/xtensa/xtensa.md (muladdsf3, mulsubsf3): Check
11421         TARGET_FUSED_MADD instead of !TARGET_NO_FUSED_MADD.
11422         * config/xtensa/xtensa.opt: New file.
11423
11424 2005-04-08  Ben Elliston  <bje@au.ibm.com>
11425
11426         * config/fp-bit.c: Include L_mul_tf in #endif comment.
11427         * config/fp-bit.h: Tidy comments.
11428
11429 2005-04-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11430
11431         * system.h: Poison PARAMS.
11432
11433 2005-04-07  Richard Sandiford  <rsandifo@redhat.com>
11434
11435         * config/vax/vax.h (target_flags, MASK_UNIX_ASM, MASK_VAXC_ALIGNMENT)
11436         (MASK_G_FLOAT, TARGET_UNIX_ASM, TARGET_VAXC_ALIGNMENT, TARGET_G_FLOAT)
11437         (TARGET_SWITCHES): Delete.
11438         * config/vax/vax.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
11439         * config/vax/vax.opt: New file.
11440
11441 2005-04-07  Daniel Berlin  <dberlin@dberlin.org>
11442
11443         * tree-ssa-dse.c (dse_optimize_stmt): Fix incorrect comment.
11444
11445 2005-04-07  Ian Lance Taylor  <ian@airs.com>
11446
11447         * config/iq2000/iq2000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Don't
11448         define.
11449         * config/mips/mips.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
11450         * config/sparc/sparc.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE):
11451         Likewise.
11452
11453 2005-04-07  Kazu Hirata  <kazu@cs.umass.edu>
11454
11455         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Consider
11456         all immediate uses in PHI nodes.
11457
11458 2005-04-07  Richard Earnshaw  <richard.earnshaw@arm.com>
11459
11460         * arm.c (arm_const_double_inline_cost): Handle any constant by
11461         using gen_lowpart and gen_highpart_mode.
11462         (note_invalid_constants): All constants in an RTX with a constraint
11463         that permits memory are now pushed to the constant pool.
11464         (output_move_double): Delete code to handle reg to reg and
11465         constant to reg moves.
11466         (const_double_needs_minipool, output_mov_immediate): Delete.
11467         * arm.h (EXTRA_CONSTRAINT_STR_ARM): All 'D' variants now handle
11468         CONST_INT and CONST_VECTOR.
11469         * arm.md (ANY64): New mode macro.
11470         (arm_movdi): Split reg-reg and const-reg moves.  Simplify constraints.
11471         (movdf_soft_insn): Split reg-reg and const-reg moves.
11472         (split patterns for 64-bit constant and register moves): New.
11473         * cirrus.md (cirrus_arm_movdi): Split reg-reg and const-reg moves.
11474         (cirrus_movdf_hard_insn): Likewise.
11475         * fpa.md (movdf_fpa): Likewise.
11476         * iwmmxt.md (iwmmxt_arm_movdi): Likewise.
11477         (movv8qi_internal, movv4hi_internal, movv2si_internal): Fix
11478         constraints.
11479         (movv2si_internal_2): Likewise.
11480         * vfp.md (arm_movdi_vfp): Split reg-reg and const-reg moves.
11481         (movdf_vfp): Likewise.
11482         * arm-protos.h (output_mov_immediate): Delete prototype.
11483
11484 2005-04-07  Joseph S. Myers  <joseph@codesourcery.com>
11485
11486         PR target/20093
11487         * simplify-rtx.c (simplify_unary_operation_1): Check
11488         SUBREG_PROMOTED_UNSIGNED_P (op) > 0 for zero-extension.
11489
11490 2005-04-06  James E Wilson  <wilson@specifixinc.com>
11491
11492         PR target/20717
11493         * cgraphunit.c (record_call_1, case FDESC_EXPR): Handle same as
11494         ADDR_EXPR.
11495
11496 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
11497
11498         * coverage.h (GCOV_TYPE_NODE): Delete.
11499         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref)
11500         (build_ctr_info_type): Use get_gcov_type () instead of GCOV_TYPE_NODE.
11501         * tree-profile.c (tree_gen_edge_profiler, tree_gen_interval_profiler)
11502         (tree_gen_pow2_profiler, tree_gen_one_value_profiler): Likewise.
11503         * value-prof.c (tree_divmod_fixed_value_transform): Delete.
11504
11505 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
11506
11507         PR other/20792
11508         * Makefile.in (gcc.pot): Remove options.c dependency.
11509         * optc-gen.awk: Don't quote help strings with N_().
11510
11511 2005-04-06  James A. Morrison  <phython@gcc.gnu.org>
11512
11513         * c-common.c (handle_malloc_atttribute): Only set DECL_IS_MALLOC if
11514         the function returns a pointer type.
11515
11516 2005-04-06  Daniel Berlin  <dberlin@dberlin.org>
11517
11518         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): New
11519         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): New
11520         * doc/invoke.texi: Documnet salias-max-implicit-fields.
11521         * tree-ssa-alias.c (struct used_part): Add implicit_uses and
11522         explicit_uses members.
11523         (get_or_create_used_part_for): Initialize new fields.
11524         (fieldoff_compare): New function.
11525         (create_overlap_variables_for): Count number of fields, use
11526         heuristic to determine whether to create subvars for vars with
11527         only implicit uses.
11528         Sort the field list by offset and avoid creating duplicate SFT's.
11529
11530 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
11531
11532         * c.opt (-F): Remove trailing whitespace from help string.
11533         (-finput-charset): Use a tab to separate the switch name and help
11534         string.
11535         * common.opt (-fsched-stalled-insns, -fsched-stalled-insns-dep)
11536         (-ftree-vectorizer-verbose): Likewise.
11537
11538 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
11539
11540         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Look at
11541         a PHI argument where a use occurs instead of all PHI arguments.
11542
11543 2005-04-06  Joseph S. Myers  <joseph@codesourcery.com>
11544
11545         * c-decl.c (finish_decl): Apply pending #pragma weak regardless of
11546         scope.
11547
11548 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
11549
11550         * cse.c, tree-flow-inline.h, tree-flow.h, tree-ssa-operands.c,
11551         tree-ssa-sink.c, tree.h, config/bfin/bfin.c,
11552         config/bfin/bfin.h: Fix comment typos.
11553
11554 2005-04-06  Ranjit Mathew  <rmathew@hotmail.com>
11555
11556         * doc/install.texi: Update the URL for Jacks.
11557         * doc/sourcebuild.texi: Likewise.
11558
11559 2005-04-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
11560
11561         PR target/17245
11562         * config/sparc/sparc.c (legitimate_address_p): Remove 'imm2'.
11563         Revert 2004-10-08 patch.  Reject TFmode LO_SUM in 32-bit mode.
11564
11565 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
11566
11567         * Makefile.in (LIBGCC2_CFLAGS): Revert -pipe change.
11568
11569 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
11570
11571         * config/v850/v850-protos.h (override_options): Delete.
11572         * config/v850/v850.h (target_flags, MASK_GHS, MASK_LONG_CALLS, MASK_EP)
11573         (MASK_PROLOG_FUNCTION, MASK_DEBUG, MASK_V850, MASK_V850E)
11574         (MASK_SMALL_SLD, MASK_BIG_SWITCH, MASK_NO_APP_REGS, MASK_DISABLE_CALLT)
11575         (MASK_STRICT_ALIGN, MASK_US_BIT_SET, MASK_US_MASK_SET, TARGET_GHS)
11576         (TARGET_LONG_CALLS, TARGET_EP, TARGET_PROLOG_FUNCTION, TARGET_V850)
11577         (TARGET_BIG_SWITCH, TARGET_DEBUG, TARGET_V850E, TARGET_US_BIT_SET)
11578         (TARGET_SMALL_SLD, TARGET_DISABLE_CALLT, TARGET_NO_APP_REGS)
11579         (TARGET_STRICT_ALIGN, TARGET_SWITCHES, TARGET_OPTIONS)
11580         (OVERRIDE_OPTIONS): Delete.
11581         (MASK_CPU): Redefine as MASK_V850 | MASK_V850E.
11582         (small_memory_info): Remove the value field.
11583         (CONDITIONAL_REGISTER_USAGE): Check !TARGET_APP_REGS rather than
11584         TARGET_NO_APP_REGS.
11585         * config/v850/v850.c (small_memory): Remove the value field.
11586         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
11587         (override_options): Delete.
11588         (v850_handle_memory_option, v850_handle_option): New functions.
11589         * config/v850/v850.opt: New file.
11590
11591 2005-04-06  Geoffrey Keating  <geoffk@apple.com>
11592
11593         * config.host: Add a section for generic hosts, and a subsection
11594         for Darwin.  Add a case for x86-darwin.  Update ppc-darwin case.
11595         * config/host-darwin.c: New, split out of config/rs6000/host-darwin.c.
11596         * config/host-darwin.h: New.
11597         * config/x-darwin: New.
11598         * config/i386/host-i386-darwin.c: New.
11599         * config/i386/x-darwin: New.
11600         * config/rs6000/host-darwin.c: Include host-darwin.h.
11601         (darwin_rs6000_gt_pch_get_address): Move to config/host-darwin.c.
11602         (darwin_rs6000_gt_pch_use_address): Likewise.
11603         * config/rs6000/x-darwin: Change name of .o built, update
11604         dependencies for changes to rs6000/host-darwin.c.
11605
11606 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
11607
11608         PR target/17824
11609         * config/c4x/c4x.h (ASM_PROG, LD_PROG): Remove.
11610
11611 2005-04-06  Dorit Naishlos  <dorit@il.ibm.com>
11612
11613         * tree-vect-analyze.c (vect_analyze_loop_form): Call
11614         split_loop_exit_edge instead of loop_split_edge_with.
11615
11616 2005-04-06  Paolo Bonzini  <bonzini@gnu.org>
11617
11618         * config/rs6000/altivec.md (UNSPEC_VSLW, UNSPEC_SUBS,
11619         UNSPEC_SET_VSCR): New constants, used throughout.
11620         (*andc3_v4sf): New.
11621         (altivec_vspltisb, altivec_vsplitish, altivec_vsplitisw):
11622         Replace with...
11623         (altivec_vspltis<VI_char>): ... this pattern, using
11624         a QImode const_int_operand for the immediate.
11625         (abs<mode>2, absv4sf2, altivec_abss_<mode>): Rewrite as
11626         define_expands.
11627
11628 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
11629
11630         PR target/17822
11631         * config/avr/t-avr (AR_FOR_TARGET,RANLIB_FOR_TARGET): Remove.
11632
11633 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
11634
11635         * Makefile.in (LIBGCC2_CFLAGS): Compile with -pipe.
11636
11637 2005-04-06  Ben Elliston  <bje@au.ibm.com>
11638
11639         * gcc.c: Correct comment about DEFAULT_SWITCH_TAKES_ARG and
11640         DEFAULT_WORD_SWITCH_TAKES_ARG which incorrectly reported these
11641         macros as living in "this file" and not gcc.h.
11642
11643 2005-04-06  Ben Elliston  <bje@au.ibm.com>
11644
11645         * doc/invoke.texi (Optimize Options): Mention -ftree-lrs, not
11646         -ftree-live_range_split.  Perhaps renamed at some point?
11647
11648 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
11649
11650         PR target/20625
11651         * tree-ssa-loop-ivopts.c (generic_type_for): New function.
11652         (add_candidate_1): Use generic_type_for instead of unsigned_type_for.
11653
11654 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
11655
11656         * tree-flow.h (number_of_iterations_cond): Declaration removed.
11657         * tree-ssa-loop-niter.c (number_of_iterations_cond): Made static.
11658         (number_of_iterations_special): New function.
11659         (number_of_iterations_exit): Use number_of_iterations_special.
11660         Use simplify_using_outer_evolutions only at -O3.
11661         (number_of_iterations_cond, tree_simplify_using_condition,
11662         simplify_using_initial_conditions, loop_niter_by_eval,
11663         compare_trees, can_count_iv_in_wider_type_bound,
11664         simplify_using_outer_evolutions): Use fold_build.
11665
11666 2005-04-05  Thomas Fitzsimmons  <fitzsim@redhat.com>
11667
11668         * doc/install.texi (Configuration): Document --with-java-home.
11669
11670 2005-04-05  Richard Henderson  <rth@redhat.com>
11671
11672         PR target/20342
11673         PR target/20447
11674         * config/i386/i386.c (print_operand): Handle vector zeros.
11675         (ix86_split_to_parts): Handle CONST_VECTOR.
11676         (ix86_hard_regno_mode_ok): Allow MMX modes in general regs.
11677         (ix86_modes_tieable_p): Use ix86_hard_regno_mode_ok to decide
11678         what modes to tie for MMX and SSE registers.
11679         * config/i386/i386.h (MMX_REG_MODE_P): Remove.
11680         * config/i386/i386.md: Extend move 0 -> xor peephole to apply
11681         to vector modes as well.
11682         * config/i386/predicates.md (const0_operand): Handle VOIDmode
11683         properly as an input mode.
11684
11685 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
11686
11687         * tree-ssa-operands.c (verify_abort): Use %p for pointers.
11688
11689 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
11690
11691         * tree-pretty-print.c (dump_generic_node): Use %p for pointer.
11692
11693 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
11694
11695         * config/i386/i386.c (init_cumulative_args): For -m32 -mfpmath=sse
11696         and local functions, set sse_nregs to 8 and float_in_sse.
11697         (function_arg_advance, function_arg): If float_in_sse, pass
11698         SFmode and DFmode arguments in SSE registers.
11699         * config/i386/i386.h (CUMULATIVE_ARGS): Add float_in_sse field.
11700
11701         * config/i386/i386.c (ix86_value_regno): Only optimize local functions
11702         of -funit-at-a-time.
11703
11704 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
11705
11706         * config/i386/i386-protos.h (ix86_function_value): Accept two
11707         arguments, like the target macro.
11708         * config/i386/i386.h (FUNCTION_VALUE): Pass both arguments.
11709         * config/i386/i386.c (ix86_function_value): Accept the second
11710         argument of the target macro.
11711         (ix86_function_ok_for_sibcall): Pass a function pointer to
11712         ix86_function_value.
11713         (ix86_function_value, ix86_libcall_value) [!TARGET_64BIT]: Adjust
11714         call to ix86_value_regno).
11715         (ix86_value_regno): Add support for returning floating point values
11716         in SSE registers.
11717
11718 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
11719
11720         PR tree-optimization/20076
11721         * tree-inline.c (inline_forbidden_p_1): Prevent inlining functions
11722         that call __builtin_return or __builtin_apply_args.
11723
11724 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
11725
11726         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use update_stmt.
11727         Use immediate use iterator.
11728         (stmt_is_bumper_for_loop): Use immediate use iterator.
11729         * predict.c (strip_builtin_expect): Use update_stmt.
11730         * tree-cfg.c (update_modified_stmts): New. Call update_stmt_if_modified
11731         on all elements of a STATEMENT_LIST.
11732         (bsi_insert_before, bsi_insert_after): Call update_modified_stmts.
11733         (bsi_remove): Remove imm_use links and mark the stmt as modified.
11734         (bsi_replace): Mark stmt as modified and the update it.
11735         * tree-complex.c (update_complex_assignment): Call mark_stmt_modified.
11736         (expand_complex_libcal): Call update_stmt.
11737         (expand_complex_comparison): Call mark_stmt_modified.
11738         (expand_complex_operations_1): Call update_stmt_if_modified.
11739         (expand_vector_operations_1): Call mark_stmt_modified.
11740         * tree-dfa.c (compute_immediate_uses, free_df_for_stmt, free_df,
11741         compute_immediate_uses_for_phi, compute_immediate_uses_for_stmt,
11742         add_immediate_use, redirect_immediate_use,
11743         redirect_immediate_uses, dump_immediate_uses, debug_immediate_uses,
11744         dump_immediate_uses_for, debug_immediate_uses_for): Delete.
11745         (mark_new_vars_to_rename): Call update_stmt.
11746         * tree-dump.c (dump_option_value_in): Add "stmtaddr".
11747         * tree-flow-inline.h (modify_stmt): Rename to mark_stmt_modified.
11748         Ignore PHI nodes.
11749         (unmodify_stmt): Delete.
11750         (update_stmt): New.  Force an update of a stmt.
11751         (update_stmt_if_modified): update a stmt if it is out of date.
11752         (get_stmt_operands): Verify stmt is NOT modified.
11753         (stmt_modified_p): Update comment.
11754         (delink_imm_use): Remove a use node from its immuse list.
11755         (link_imm_use_to_list): Link a use node to a specific list.
11756         (link_imm_use): Link a node to the correct list.
11757         (set_ssa_use_from_ptr): Set a use node to a specific value, and insert
11758         it in the correct list, if appropriate.
11759         (link_imm_use_stmt): Link a use node, and set the stmt pointer.
11760         (relink_imm_use): Link a use node in place of another node in a list.
11761         (relink_imm_use_stmt): LInk a node in place of another node, and set
11762         the stmt pointer.
11763         (end_safe_imm_use_traverse): New.  Terminate a safe immuse iterator.
11764         (end_safe_imm_use_p): New.  Check for the end of a safe immuse iterator.
11765         (first_safe_imm_use): New.  Initialize a safe immuse iterator.
11766         (next_safe_imm_use): New.  Proceed to next safe immuse iterator value.
11767         (end_readonly_imm_use_p): New.  Check for end of a fast immuse iterator.
11768         (first_readonly_imm_use): New.  Initialize a fast immuse iterator.
11769         (next_readonly_imm_use): New.  Get the next fast immuse iterator value.
11770         (has_zero_uses): New.  Return true if there are no uses of a var.
11771         (has_single_use): New.  Return true if there is only a single use of a
11772         variable.
11773         (single_imm_use): New.  Return the simgle immediate use.
11774         (num_imm_uses): New.  Return the number of immediate uses.
11775         (get_v_must_def_ops): Use is now a pointer.
11776         (use_operand_p, get_v_may_def_op_ptr, get_vuse_op_ptr,
11777         get_v_must_def_kill_ptr, get_phi_arg_def_ptr): Return the address of
11778         the use node.
11779         (get_immediate_uses, num_immediate_uses, immediate_use): Delete.
11780         (delink_stmt_imm_use): Delink all immuses from a stmt.
11781         (phi_arg_index_from_use): New.  Return a phi arg index for a use.
11782         * tree-flow.h (struct dataflow_d): Delete.
11783         (immediate_use_iterator_d): New.  Immediate use iterator struct.
11784         (FOR_EACH_IMM_USE_FAST): New.  Macro for read only immuse iteration.
11785         (FOR_EACH_IMM_USE_SAFE): New.  Macro for write-safe immuse iteration.
11786         (BREAK_FROM_SAFE_IMM_USE): New.  Macro for earlyu exit from write-safe
11787         iteration.
11788         (struct stmt_ann_d): Remove dataflow_t from struct.
11789         * tree-if-conv.c (tree_if_conversion).  Don't call free_df.
11790         (if_convertible_phi_p): Use FAST immuse iterator.
11791         (if_convertible_loop_p): Don't call compute_immediate_uses.
11792         (replace_phi_with_cond_modify_expr): Call update_stmt.
11793         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites): Call
11794         update_stmt_if_modified.
11795         (rewrite_all_into_ssa): Initialize ssa operands.
11796         * tree-loop-linear.c (linear_transform_loops): Don't call free_df or
11797         compute_immediate_uses.
11798         * tree-optimize.c (execute_todo): Call verify_ssa whenever the
11799         ssa_property is available.
11800         (execute_one_pass):  Change parameters passed to execute_todo.
11801         * tree-outof-ssa.c (rewrite_trees): Don't call modify_stmt.
11802         (remove_ssa_form): Call fini_ssa_operands.
11803         (insert_backedge_copies): Delete call to modify_stmt.
11804         * tree-phinodes.c (make_phi_node): Initialize use nodes.
11805         (release_phi_node): Delink any use nodes before releasing.
11806         (resize_phi_node): Relink any use nodes.
11807         (remove_phi_arg_num): Delink the use node.
11808         (remove_phi_node): Release the ssa_name AFTER releasing the phi node.
11809         (remove_all_phi_nodes_for): Release phi node first.
11810         * tree-pretty-print.c (dump_generic_node): Print stmt address.
11811         * tree-sra.c (mark_all_v_defs): Call update_stmt_if_modified.
11812         (scalarize_use, scalarize_copy): Call update_stmt.
11813         * tree-ssa-alias.c (compute_may_aliases): Update all modified stmts.
11814         (compute_points_to_and_addr_escape): Call mark_stmt_modified.
11815         * tree-ssa-cpp.c (need_imm_uses_for): Delete.
11816         (ccp_initialize): Remove call to compute_immediate_uses.
11817         (substitute_and_fold, execute_fold_all_builtins): Call update_stmt.
11818         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update all modified
11819         stmts.
11820         (simplify_cond_and_lookup_avail_expr): Call mark_stmt_modified.
11821         (simplify_switch_and_lookup_avail_expr): Call mark_stmt_modified.
11822         (eliminate_redundant_computations): Call mark_stmt_modified.
11823         (cprop_operand): Call mark_stmt_modified.
11824         (optimize_stmt): Call update_stmt_if_modified and mark_stmt_modified.
11825         * tree-ssa-dse.c (fix_phi_uses, fix_stmt_v_may_defs): Delete.
11826         (dse_optimize_stmt): Use new immuse interface.
11827         (tree_ssa_dse): Remove calls to compute_immediate_uses and free_df.
11828         * tree-ssa-forwprop.c (need_imm_uses_for): Delete.
11829         (substitute_single_use_vars): Use new immuse interface.
11830         (tree_ssa_forward_propagate_single_use_vars): Remove calls to free_df
11831         and compute_immediate_uses.
11832         * tree-ssa-loop-im.c (single_reachable_address): Use new immuse
11833         interface.
11834         (rewrite_mem_refs): Call update_stmt.
11835         (determine_lsm): Remove call to compute_imm_uses and free_df.
11836         * tree-ssa-loop-ivcanon.c (create_canonical_iv): Call update_stmt.
11837         (try_unroll_loop_completely): Call update_stmt.
11838         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call update_stmt.
11839         (rewrite_use_compare): Call update_stmt.
11840         (compute_phi_arg_on_exit): Insert each stmt before trying to process.
11841         (rewrite_use) : Call update_stmt.
11842         * tree-ssa-loop-manip.c (verify_loop_closed_ssa): Add arg to call.
11843         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Call
11844         update_stmt.
11845         * tree-ssa-operands.c (NULL_USE_OPERAND_P): Remove declaration.
11846         (allocate_use_optype, allocate_vuse_optype): Adjust allocation size.
11847         (free_uses, free_vuses, free_v_may_defs, free_v_must_defs): Delink
11848         use nodes.
11849         (initialize_vuse_operand): New.  Initialize a vuse operand.
11850         (initialize_v_may_def_operand): New.  Initialize a maydef operand.
11851         (initialize_v_must_def_operand): New.  Initialize a mustdef operand.
11852         (finalize_ssa_defs): Use stmt parameter.
11853         (correct_use_link): Ensure a use node is in the correct list, and has
11854         the correct stmt pointer.
11855         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_vuses,
11856         finalize_ssa_v_must_defs): Also initialize use nodes.
11857         (finalize_ssa_stmt_operands): Pass extra stmt operands.
11858         (build_ssa_operands): Seperate parsing from final operand construction.
11859         (parse_ssa_operands): New.  Parse entry point for operand building.
11860         (swap_tree_operands): New.  Swap 2 tree operands.
11861         (update_stmt_operands): Ranamed from get_stmt_operands.  Always builds
11862         operands.
11863         (get_expr_operands): Call swap_tree_operands when needed.
11864         (copy_virtual_operands): Use initialize routines for virtual use ops.
11865         (create_ssa_artficial_load_stmt): Add extra stmt parameter.
11866         (verify_abort): New.  Issue imm_use error.
11867         (verify_imm_links): New Verify imm_use links for a var.
11868         (dump_immediate_uses_for): New.  Dump imm_uses for a var to file.
11869         (dump_immediate_uses): New.  Dump imm_uses for all vars to file.
11870         (debug_immediate_uses): New.  Dump imm_uses for all vars to stderr.
11871         (debug_immediate_uses_for): New.  Dump imm_uses for a var to stderr.
11872         * tree-ssa-operands.h (struct use_operand_ptr): Delete.
11873         (NULL_USE_OPERAND_P) Define.
11874         (use_optype_d, v_def_use_operand_type, vuse_optype_d): Add immediate
11875         use node.
11876         (struct vuse_operand_type): New struct.
11877         (SET_USE): Call set_ssa_use_from_ptr.
11878         (USE_STMT): Define.
11879         (PHI_ARG_INDEX_FROM_USE): Define.
11880         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Set the phi
11881         argument via SET_USE, not PHI_ARG_DEF_TREE.
11882         * tree-ssa-pre.c (eliminate): Call update_stmt.
11883         * tree-ssa-propagate.c (cfg_blocks_get): Use imm_use iterators.  Don't
11884         call free_df.
11885         * tree-ssa-sink.c (all_immediate_uses_same_place): Use imm_use iterator.
11886         (nearest_common_dominator_of_uses): Use imm_use iterator.
11887         (statement_sink_location): Use imm_use iterator and interface.
11888         (execute_sink_code): Don't call compute_immediate_uses or free-df.
11889         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis): Use
11890         PHI_ARG_DEF, not PHI_ARG_DEF_TREE.
11891         * tree-ssa.c (verify_use, verify_phi_args): Verify some imm_use info.
11892         (verify_ssa): Ensure no stmt is marked modify after optimization pass
11893         if new parameter is true.
11894         (init_tree_ssa): Don't initialize operand cache here.
11895         (delete_tree_ssa): Don't destroy operand cache here.
11896         (propagate_into_addr): Pass in a use pointer, return true if anything
11897         was changed.
11898         (replace_immediate_uses): Use imm_use iterator, call update_stmt.
11899         (check_phi_redundancy): Use imm_use iterator.
11900         (kill_redundant_phi_nodes): Don't call compute_immediate_uses or
11901         free_df.
11902         * tree-ssanames.c (make_ssa_name): Initialize imm_use node.
11903         (release_ssa_name): Delink node and all elements in its imm_use list.
11904         * tree-tailcall.c (adjust_return_value): Call update_stmt.
11905         * tree-vect-analyze.c (vect_stmt_relevant_p): Use imm_use iterator.
11906         * tree-vectorizer.c (need_imm_uses_for): Delete.
11907         (vectorize_loops): Dont call compute_immediate_uses or free_df.
11908         * tree.h (struct ssa_imm_use_d): Define.
11909         (SSA_NAME_IMM_USE_NODE): Define.
11910         (struct tree_ssa_name): Add imm_use node.
11911         (PHI_DF): Delete.
11912         (PHI_ARG_IMM_USE_NODE): Define.
11913         (struct phi_arg_d): Add imm_use node.
11914         (struct tree_phi_node): Remove struct dataflow_d element.
11915         (TDF_STMTADDR): Define.
11916
11917 2005-04-05  Dale Johannesen  <dalej@apple.com>
11918
11919         * doc/invoke.texi (Optimization Options):  Remove
11920         duplicate -fcse-follow-jumps.  Add -fweb.
11921         (-ftree-lim):  Fix spelling (-ftree-loop-im, invariants).
11922         (-fivcanon):  Fix spelling (-ftree-loop-ivcanon).
11923
11924 2005-04-05  Per Bothner  <per@bothner.com>
11925
11926         * tree-ssa.c (execute_early_warn_uninitialized): Pass context node
11927         to talk_tree as 'data' parameter, rather than EXPR_LOCUS.
11928         (warn_uninit): Get EXPR_LOCUS from context now instead.
11929         This fixes a USE_MAPPED_LOCATION testsuite failure.
11930
11931         * tree-ssa.c (warn_uninitialized_var): Remove useless local.
11932
11933 2005-04-05  Per Bothner  <per@bothner.com>
11934
11935         * c-decl.c (finish_function): If USE_MAPPED_LOCATION set the location
11936         of the artification 'return 0' in main() to BUILTINS_LOCATION.
11937         * tree-cfg.c (remove_bb): Check that location isn't BUILTINS_LOCATION
11938         before warning.
11939
11940 2004-04-05  Devang Patel  <dpatel@apple.com>
11941
11942         * config/rs600/altivec.md (altivec_vsr<VI_char>): Rename to ..
11943         (lhsr<mode>3): ... new name.
11944         (altivec_vsra<VI_char>): Rename to ..
11945         (ashr<mode>3): ... new name.
11946         * config/rs6000/rs6000.c (builtin_description): Rename shift
11947         operations.
11948
11949 2004-04-05  Paolo Bonzini  <bonzini@gnu.org>
11950
11951         * combine.c (RTL_HOOKS_GEN_LOWPART_NO_EMIT): Use
11952         gen_lowpart_for_combine.
11953         * cse.c (gen_lowpart_if_possible): Move...
11954         * rtlhooks.c (gen_lowpart_if_possible): ... here.  Also try
11955         gen_lowpart_SUBREG.
11956         (gen_lowpart_no_emit_general): Use it.
11957
11958 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
11959
11960         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Undefine before
11961         overriding.
11962
11963 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
11964
11965         * system.h: Fix typo.
11966
11967 2005-04-05  Bernd Schmidt  <bernd.schmidt@analog.com>
11968
11969         * config/bfin/bfin-modes.def: New file.
11970         * config/bfin/bfin-protos.h: New file.
11971         * config/bfin/bfin.c: New file.
11972         * config/bfin/bfin.h: New file.
11973         * config/bfin/bfin.md: New file.
11974         * config/bfin/bfin.opt: New file.
11975         * config/bfin/crti.s: New file.
11976         * config/bfin/crtn.s: New file.
11977         * config/bfin/elf.h: New file.
11978         * config/bfin/lib1funcs.asm: New file.
11979         * config/bfin/predicates.md: New file.
11980         * config/bfin/t-bfin: New file.
11981         * config/bfin/t-bfin-elf: New file.
11982         * doc/extend.texi (exception_handler, kspisusp, nesting, nmi_handler):
11983         Document new attributes.
11984         (interrupt, interrupt_handler, saveall): Update documentation for
11985         these attributes.
11986         * doc/install.texi (Specific): Add entry for the Blackfin.
11987         * doc/invoke.texi (Blackfin Options): New section.
11988         * doc/md.texi (Blackfin family): New section to document constraints.
11989         * config.gcc: Add bfin*-* and bfin*-elf configurations.
11990
11991 2005-04-05  Olivier Hainque  <hainque@adacore.com>
11992
11993         * config/mips/iris6.h (DWARF_FRAME_RETURN_COLUMN): Redefine to
11994         match what the system unwinder expects.
11995         * config/mips/mips.c (mips_frame_set): If we're saving the return
11996         address register and the dwarf return address column number differs
11997         from the hard register number, adjust the note reg to refer to the
11998         former.
11999
12000 2004-04-05  Richard Sandiford  <rsandifo@redhat.com>
12001
12002         * config/mn10300/mn10300-protos.h (mn10300_override_options): Declare.
12003         * config/mn10300/mn10300.h (target_flags, TARGET_MULT_BUG)
12004         (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
12005         (processor_type): New enum.
12006         (mn10300_processor): New variable.
12007         (TARGET_AM33, TARGET_AM33_2): Redefine in terms of mn10300_processor.
12008         (PROCESSOR_DEFAULT, OVERRIDE_OPTIONS): New macros.
12009         * config/mn10300/linux.h (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
12010         (PROCESSOR_DEFAULT): New macro.
12011         * config/mn10300/mn10300.c (mn10300_processor): New variable.
12012         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
12013         (mn10300_handle_option, mn10300_override_options): New functions.
12014         * config/mn10300/mn10300.opt: New file.
12015
12016 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
12017             Sebastian Pop <sebastian.pop@cri.ensmp.fr>
12018
12019         PR tree-optimization/19903
12020         * tree-chrec.c (chrec_convert): Return chrec_dont_know for constants
12021         that don't fit in their type after conversion.
12022
12023 2005-04-05  Uros Bizjak <uros@kss-loka.si>
12024
12025         PR target/20421
12026         * config/i386/i386.md (frndintxf2_floor, frndintxf2_ceil)
12027         (frndintxf2_trunc, frndintxf2_mask_pm): Add FLAGS_REG clobber.
12028         Allocate local stack slots here.  Set ix86_optimize_mode_switching.
12029         flag here. Implement using define_insn_and_split.
12030         (frndintxf2_floor_i387, frndintxf2_ceil_i387, frndintxf2_trunc_i387)
12031         (frndintxf2_mask_pm_i387): New insn patterns.
12032         (floorsf2, floordf2, floorxf2): Remove local stack slot allocations.
12033         Do not set ix86_optimize_mode_switching flag.
12034         (ceilsf2, ceildf2, ceilxf2): Same.
12035         (btruncsf2, btruncdf2, btruncxf2): Same.
12036         (nearbyintsf2, nearbyintdf2, nearbyintxf2): Same.
12037
12038 2005-04-05  Ian Lance Taylor  <ian@airs.com>
12039
12040         PR debug/9963
12041         * config/i386/cygming.h (ASM_OUTPUT_EXTERNAL): Pass DECL to
12042         i386_pe_record_external_function.
12043         (i386_pe_record_external_function): Update declaration.
12044         * config/i386/winnt.c (struct extern_list): Add decl field.
12045         (i386_pe_record_external_function): Add decl parameter.
12046         (i386_pe_file_end): Check TREE_ASM_WRITTEN on decl, not
12047         identifier.
12048         * config/i386/i386-protos.h (i386_pe_record_external_function):
12049         Update declaration.
12050
12051 2005-04-05  Kazu Hirata  <kazu@cs.umass.edu>
12052
12053         * config/m68k/m68k-protos.h: Add a prototype for
12054         valid_dbcc_comparison_p_2.
12055         * config/m68k/m68k.c (not_sp_operand, symbolic_operand,
12056         extend_operator, const_uint32_operand, const_sint32_operand,
12057         general_src_operand, nonimmediate_src_operand,
12058         memory_src_operand, post_inc_operand, pre_dec_operand,
12059         pcrel_address): Move to predicates to predicates.md.
12060         * config/m68k/m68k.h (PREDICATE_CODES): Remove.
12061         * config/m68k/m68k.md: Include predicates.md.
12062         * config/m68k/predicates.md: New.
12063
12064 2005-04-04  Roger Sayle  <roger@eyesopen.com>
12065
12066         * config/i386/i386.md (*truncdfsf2_i387_1): New pattern.
12067
12068         * fold-const.c (maybe_lvalue_p): Delete orphaned comment.
12069
12070 2005-04-04  Ian Lance Taylor  <ian@airs.com>
12071
12072         * c-typeck.c (struct c_switch): Rename switch_stmt field to
12073         switch_expr.
12074         (c_start_case): Build SWITCH_EXPR, not SWITCH_STMT.
12075         (do_case): Use SWITCH_COND rather than SWITCH_STMT_COND.
12076         (c_finish_case): Use SWITCH_BODY rather than SWITCH_STMT_BODY.
12077         Call c_do_switch_expr_warnings rather than c_do_switch_warnings.
12078         * c-common.c (c_do_switch_warnings_1): New static function broken
12079         out of c_do_switch_warnings.
12080         (c_do_switch_warnings): Call c_do_switch_warnings_1.
12081         (c_do_switch_expr_warnings): New function.
12082         * c-common.h (c_do_switch_expr_warnings): Declare.
12083
12084 2005-04-04  David Edelsohn  <edelsohn@gnu.org>
12085             Daniel Jacobowitz  <dan@codesourcery.com>
12086
12087         * tree-eh.c (tree_could_trap_p): Allow non-constant floating point
12088         trapping divide.
12089         * rtlanal.c (may_trap_p): Same.
12090
12091 2005-04-04  Dale Johannesen  <dalej@apple.com>
12092
12093         * ChangeLog:  remove reference to ChangeLog.12.
12094
12095 2005-04-05  Hans-Peter Nilsson  <hp@axis.com>
12096
12097         CRIS epilogue as RTL.
12098         * config/cris/cris.md: Change all 0 in unspec 0 to
12099         CRIS_UNSPEC_PLT.
12100         (CRIS_UNSPEC_PLT, CRIS_UNSPEC_FRAME_DEALLOC): New constants.
12101         ("*cris_load_multiple", "cris_frame_deallocated_barrier"): New
12102         patterns.
12103         ("return"): Change to define_expand.  Call cris_expand_return for
12104         actual expansion.
12105         ("*return_expanded"): New pattern.
12106         ("epilogue"): New define_expand.
12107         * config/cris/cris.h (PREDICATE_CODES): Add
12108         cris_load_multiple_op.
12109         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Correct test for unspec
12110         type.
12111         (enum cris_retinsn_type): New.
12112         (struct machine_function): New member return_type.
12113         (TARGET_ASM_FUNCTION_EPILOGUE): Don't override.
12114         (cris_target_asm_function_epilogue): Remove, moving RTLified
12115         contents to...
12116         (cris_expand_epilogue): New function.
12117         (cris_reg_saved_in_regsave_area, cris_movem_load_rest_p,
12118         (cris_gen_movem_load, cris_load_multiple_op)
12119         (cris_return_address_on_stack_for_return, cris_expand_return): New
12120         functions.
12121         (cris_target_asm_function_prologue)
12122         (cris_initial_frame_pointer_offset): Call
12123         cris_reg_saved_in_regsave_area instead of complicated expression.
12124         Call cris_return_address_on_stack instead of an expression.
12125         (cris_print_operand) <case 'o', case 'O'>: New cases.
12126         (cris_return_address_on_stack): Change return-type to bool.
12127         (cris_simple_epilogue): Ditto.  Return false if registers are
12128         saved.
12129         * config/cris/cris-protos.h (cris_simple_epilogue)
12130         (cris_return_address_on_stack): Adjust prototype return type.
12131         (cris_gen_movem_load, cris_expand_epilogue, cris_expand_return)
12132         (cris_return_address_on_stack_for_return): New prototypes.
12133
12134 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
12135
12136         * config/frv/frv.h (PREDICATE_CODES): Add CONST to
12137         gpr_or_int12_operand.
12138
12139         * config/frv/frv-protos.h: Add a prototype to
12140         frv_legitimate_memory_operand and frv_const_unspec_p.
12141         (frv_unspec): Move from frv.c.
12142         * config/frv/frv.c (frv_unspec): Move to frv-protos.h.
12143         (frv_const_unspec_p, frv_legitimate_memory_operand_): Export.
12144         (ldd_address_operand, fdpic_fptr_operand, frv_load_operand,
12145         gpr_or_fpr_operand, gpr_or_int12_operand,
12146         gpr_fpr_or_int12_operand, fpr_or_int6_operand,
12147         gpr_or_int10_operand, gpr_or_int_operand, int12_operand,
12148         int6_operand, int5_operand, uint5_operand, uint4_operand,
12149         uint1_operand, int_2word_operand, uint16_operand,
12150         upper_int16_operand, integer_register_operand,
12151         gpr_no_subreg_operand, fpr_operand, even_reg_operand,
12152         odd_reg_operand, even_gpr_operand, odd_gpr_operand,
12153         quad_fpr_operand, even_fpr_operand, odd_fpr_operand,
12154         dbl_memory_one_insn_operand, dbl_memory_two_insn_operand,
12155         move_destination_operand, movcc_fp_destination_operand,
12156         frv_function_symbol_referenced_p, move_source_operand,
12157         condexec_dest_operand, condexec_source_operand,
12158         reg_or_0_operand, lr_operand, fdpic_operand, got12_operand,
12159         const_unspec_operand, gpr_or_memory_operand,
12160         gpr_or_memory_operand_with_scratch, fpr_or_memory_operand,
12161         icc_operand, fcc_operand, cc_operand, icr_operand,
12162         fcr_operand, cr_operand, call_operand, sibcall_operand,
12163         symbolic_operand, relational_operator,
12164         integer_relational_operator, float_relational_operator,
12165         ccr_eqne_operator, minmax_operator,
12166         condexec_si_binary_operator, condexec_si_media_operator,
12167         condexec_si_divide_operator, condexec_si_unary_operator,
12168         condexec_sf_conv_operator, condexec_sf_add_operator,
12169         condexec_memory_operand, intop_compare_operator, acc_operand,
12170         even_acc_operand, quad_acc_operand, accg_operand: Move to
12171         predicates.md.
12172         * config/frv/frv.h (PREDICATE_CODES): Remove.
12173         * config/frv/frv.md: Include predicates.md.
12174         * config/frv/predicates.md: New.
12175
12176 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
12177
12178         PR target/19537
12179         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on langhooks.h.
12180         * tree-ssa-loop-ivopts.c: Include langhooks.h.
12181         (add_standard_iv_candidates_for_size): New function, extracting code
12182         from add_standard_iv_candidates and parameterizing it by type size.
12183         (add_standard_iv_candidates): Use add_standard_iv_candidates_for_size.
12184
12185 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
12186
12187         * system.h (GCOV_SIZE_TYPE): Unposion.
12188         * gcov-io.h (GCOV_TYPE_NODE): Delete, replacing with...
12189         (GCOV_TYPE_SIZE): ...this new macro.
12190         * coverage.h (get_gcov_type, GCOV_TYPE_NODE): Declare.
12191         * coverage.c (get_gcov_type, get_gcov_unsigned_t): New functions.
12192         (rtl_coverage_counter_ref): Use GCOV_TYPE_SIZE.
12193         (build_fn_info_type, build_fn_info_value, build_ctr_info_type)
12194         (build_ctr_info_value, build_gcov_info): Use get_gcov_unsigned_t
12195         instead of unsigned_intSI_type_node.
12196         * rtl-profile.c (rtl_gen_interval_profiler, rtl_gen_pow2_profiler)
12197         (rtl_gen_one_value_profiler_no_edge_manipulation)
12198         (rtl_gen_const_delta_profiler): Use GCOV_TYPE_SIZE.
12199         * value-prof.c: Include coverage.h.
12200
12201 2005-04-02  Daniel Berlin  <dberlin@dberlin.org>
12202             Diego Novillo <dnovillo@redhat.com>
12203
12204         Fix PR tree-optimization/20703
12205         Fix PR tree-optimization/20725
12206
12207         * tree-ssa-pre.c (phi_translate): Handle tcc_comparison.
12208         (create_expression_by_pieces): Ditto.
12209         (valid_in_set): Ditto. Also handle tcc_declaration.
12210         (find_or_generate_expression): Handle comparison class.
12211         (insert_into_preds_of_block): Ditto.
12212         (insert_aux): Ditto.
12213         (create_value_expr_from): Handle comparison class, recursively
12214         handle reference nodes.
12215         (compute_avail): Handle comparison classes, rewrite a little cleaner.
12216         (execute_pre): Fix spacing.
12217         (do_fre): Renamed to execute_fre.
12218
12219 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
12220
12221         * doc/invoke.texi (SPARC options): Document that
12222         -mlittle-endian is not supported on Linux either.
12223
12224 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
12225
12226         PR target/4198
12227         PR target/12027
12228         * config.gcc (Obsolete configurations): Remove
12229         sparclite-*-coff*, sparclite-*-elf* and sparc86x-*-elf*.
12230         (sparclite-*-coff*): Delete.
12231         (sparclite-*-elf*): Likewise.
12232         (sparc86x-*-elf*): Likewise.
12233         (target_cpu_default) <sparc*-*-*>: Remove sparc86x.
12234         * config/sparc/lite.h: Delete.
12235         * config/sparc/litecoff.h: Likewise.
12236         * config/sparc/liteelf.h: Likewise.
12237         * config/sparc/sp86x-elf.h: Likewise.
12238         * config/sparc/t-sparclite: Likewise.
12239         * config/sparc/t-sp86x: Likewise.
12240
12241 2005-04-04  Adrian Straetling  <straetling@de.ibm.com>
12242
12243         * config/s390/s390-protos.h: (s390_comparison,
12244         s390_alc_comparison, s390_slb_comparison, const0_operand,
12245         consttable_operand, larl_operand, s_operand,
12246         shift_count_operand, bras_sym_operand, load_multiple_operation,
12247         store_multiple_operation, s390_plus_operand): Remove prototypes.
12248         (s390_legitimate_address_without_index_p): New prototype.
12249         * config/s390/s390.c: (SYMBOL_FLAG_ALIGN1, DISP_IN_RANGE): Move
12250         to s390.h.
12251         (s390_comparison, s390_alc_comparison, s390_slb_comparison,
12252         const0_operand, consttable_operand, larl_operand, s_operand,
12253         shift_count_operand, bras_sym_operand, load_multiple_operation,
12254         store_multiple_operation, s390_plus_operand): Move to
12255         predicates.md.
12256         (check_mode): Remove.
12257         (s390_branch_condition_mask): Remove 'static'. Move prototype to
12258         s390-protos.h.
12259         (s390_legitimate_address_without_index_p): New.
12260         * config/s390/s390.h (PREDICATE_CODES): Remove.
12261         * config/s390/s390.md: Include predicates.md.
12262         * config/s390/predicates.md: New.
12263
12264 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
12265
12266         PR target/20446
12267         * config/sparc/sparc.h (NEED_INDICATE_EXEC_STACK): Define to 0.
12268         * config/sparc/linux.h (TARGET_ASM_FILE_END): Delete.
12269         (NEED_INDICATE_EXEC_STACK): Define to 1.
12270         * config/sparc/linux64.h (TARGET_ASM_FILE_END): Delete.
12271         (NEED_INDICATE_EXEC_STACK): Define to 1.
12272         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Set to sparc_file_end.
12273         (add_pc_to_pic_symbol): Rename into pic_helper_symbol.
12274         (add_pc_to_pic_symbol_name): Rename into pic_helper_symbol_name.
12275         (pic_helper_emitted_p): New global.
12276         (emit_pic_helper): New function extracted from...
12277         (load_pic_register): ...here.  Add 'delay_pic_helper' parameter.
12278         Do not call emit_pic_helper if delay_pic_helper is true.
12279         (sparc_expand_prologue): Pass 'false' to load_pic_register.
12280         (sparc_output_mi_thunk): Pass 'true' to load_pic_register.
12281         (sparc_file_end): New function.
12282
12283 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
12284
12285         * config/mcore/mcore-protos.h: Remove the prototypes for
12286         mcore_arith_reg_operand, mcore_general_movsrc_operand,
12287         mcore_general_movdst_operand, mcore_reload_operand,
12288         mcore_arith_J_operand, mcore_arith_K_operand,
12289         mcore_arith_K_operand_not_0, mcore_arith_M_operand,
12290         mcore_arith_K_S_operand, mcore_arith_imm_operand,
12291         mcore_arith_any_imm_operand, mcore_arith_O_operand,
12292         mcore_literal_K_operand, mcore_addsub_operand,
12293         mcore_compare_operand, mcore_load_multiple_operation,
12294         mcore_store_multiple_operation, mcore_call_address_operand.
12295         Add a prototype for const_ok_for_mcore.
12296         * config/mcore/mcore.c (mcore_call_address_operand,
12297         mcore_general_movsrc_operand, mcore_general_movdst_operand,
12298         mcore_arith_reg_operand, mcore_reload_operand,
12299         mcore_arith_J_operand, mcore_arith_K_operand,
12300         mcore_arith_K_operand_not_0, mcore_arith_K_S_operand,
12301         mcore_arith_M_operand, mcore_arith_imm_operand,
12302         mcore_arith_any_imm_operand, mcore_arith_O_operand,
12303         mcore_literal_K_operand, mcore_addsub_operand,
12304         mcore_compare_operand, mcore_load_multiple_operation,
12305         mcore_store_multiple_operation): Move to predicates.md.
12306         (const_ok_for_mcore): Export.
12307         * config/mcore/mcore.h (PREDICATE_CODES): Remove.
12308         * config/mcore/mcore.md: Include predicates.md.
12309         * config/mcore/predicates.md: New.
12310
12311         * config/mcore/predicates.md: Fix a comment typo.
12312
12313 2005-04-04  Andreas Krebbel  <krebbel1@de.ibm.com>
12314             Adrian Straetling  <straetling@de.ibm.com>
12315
12316         * config/s390/2064.md ("z_mul", "z_inf"): New insn reservations.
12317         * config/s390/2084.md ("x_mul_hi", "x_mul_sidi", "x_div"): Likewise.
12318         * config/s390/s390.md ("imulhi", "imulsi", "imuldi"): Added to "type"
12319         attribute.
12320         ("imul"): Removed from "type" attribute.
12321         ("*muldi3_sign", "muldi3"): Changed type to imuldi.
12322         ("mulsi3/1", "mulsi3/3", "mulsi/4", "mulsidi3", "umulsidi3"):
12323         Changed type to imulsi.
12324         ("*mulsi3_sign", "mulsi3/2"): Changed type to imulhi.
12325
12326 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
12327
12328         * config/mcore/mcore.h (target_flags, HARDLIT_BIT, ALIGN8_BIT, DIV_BIT)
12329         (RELAX_IMM_BIT, W_FIELD_BIT, OVERALIGN_FUNC_BIT, CGDATA_BIT)
12330         (SLOW_BYTES_BIT, LITTLE_END_BIT, M340_BIT, TARGET_HARDLIT)
12331         (TARGET_DIV, TARGET_RELAX_IMM, TARGET_W_FIELD, TARGET_OVERALIGN_FUNC)
12332         (TARGET_CG_DATA, TARGET_SLOW_BYTES, TARGET_LITTLE_END, TARGET_M340)
12333         (TARGET_SWITCHES, mcore_stack_increment_string)
12334         (TARGET_OPTIONS): Delete.
12335         (TARGET_DEFAULT, OPTIMIZATION_OPTIONS): Use MASK_* constants rather
12336         than *_BIT constants.
12337         (TARGET_8ALIGN): #undef old definition before redefining to 1.
12338         * config/mcore/mcore.c (mcore_stack_increment_string): Delete.
12339         (TARGET_DEFAULT_TARGET_FLAGS): Override default to TARGET_DEFAULT.
12340         (mcore_override_options): Delete mcore_stack_increment code.
12341         Change use of M340_BIT to MASK_M340.
12342         * config/mcore/mcore.opt: New file.
12343
12344 2005-04-04  Ian Lance Taylor  <ian@airs.com>
12345
12346         * config/arm/arm.c (replace_symbols_in_block): Remove static
12347         function.
12348
12349 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
12350
12351         * config/fr30/fr30-protos.h: Remove the prototypes for
12352         stack_add_operand, add_immediate_operand,
12353         high_register_operand, low_register_operand, call_operand,
12354         di_operand, and nonimmediate_di_operand.
12355         * config/fr30/fr30.c (stack_add_operand,
12356         add_immediate_operand, high_register_operand,
12357         low_register_operand, call_operand, di_operand,
12358         nonimmediate_di_operand): Move to predicates.md.
12359         * config/fr30/fr30.h (PREDICATE_CODES): Remove.
12360         * config/fr30/fr30.md: Include predicates.md.
12361         * config/fr30/predicates.md: New.
12362
12363         * config/mcore/mcore.h (PREDICATE_CODES): Add SYMBOL_REF and
12364         LABEL_REF to mcore_general_movsrc_operand.  Add SYMBOL_REF to
12365         mcore_call_address_operand.
12366
12367         * config/sh/sh.h (PREDICATE_CODES): Add CONST to
12368         general_movsrc_operand.
12369
12370 2005-04-04  Alan Modra  <amodra@bigpond.net.au>
12371
12372         * passes.c (rest_of_handle_final): NULL unlikely_text_section_name
12373         after freeing.
12374
12375 2005-04-04  Richard Earnshaw  <richard.earnshaw@arm.com>
12376
12377         PR target/14812
12378         * arm.c (arm_select_cc_mode): Return CC_Zmode when comparing against
12379         a negated value.
12380
12381 2005-04-04  Richard Henderson  <rth@redhat.com>
12382             Jakub Jelinek  <jakub@redhat.com>
12383
12384         PR rtl-optimization/16104
12385         * fold-const.c (fold_unary): Fix folding of vector conversions.
12386
12387 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
12388
12389         * config.gcc (xstormy16-*-elf): Set extra_options.
12390         * config/stormy16/stormy16.h (target_flags, TARGET_SWITCHES): Delete.
12391         * config/stormy16/stormy16.opt: New file.
12392
12393 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
12394
12395         * config/pdp11/pdp11.h (target_flags, TARGET_SWITCHES, TARGET_DEFAULT)
12396         (TARGET_FPU, TARGET_SOFT_FLOAT, TARGET_AC0, TARGET_NO_AC0, TARGET_45)
12397         (TARGET_BCOPY_BUILTIN, TARGET_INT16, TARGET_INT32, TARGET_FLOAT32)
12398         (TARGET_FLOAT64, TARGET_ABSHI_BUILTIN, TARGET_BRANCH_EXPENSIVE)
12399         (TARGET_BRANCH_CHEAP, TARGET_SPLIT, TARGET_NOSPLIT)
12400         (TARGET_UNIX_ASM): Delete.
12401         (TARGET_40_PLUS): Redefine in terms of TARGET_40 and TARGET_45.
12402         * config/pdp11/2bsd.h (TARGET_UNIX_ASM_DEFAULT): Use MASK_UNIX_ASM.
12403         * config/pdp11/pdp11.c (pdp11_handle_option): New function.
12404         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
12405         * config/pdp11/pdp11.opt: New file.
12406
12407 2005-04-03  Roger Sayle  <roger@eyesopen.com>
12408             Alexandre Oliva  <aoliva@redhat.com>
12409
12410         PR c++/19199
12411         * fold-const.c (non_lvalue): Split tests into...
12412         (maybe_lvalue_p): New function.
12413         (fold_cond_expr_with_comparison): Preserve lvalue-ness for the
12414         C++ front-end prior to lowering into gimple form.
12415
12416 2005-04-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12417
12418         * builtins.def (BUILT_IN_STPNCPY, BUILT_IN_STRCASECMP,
12419         BUILT_IN_STRNCASECMP): New.
12420         * doc/extend.texi: Document stpncpy, strcasecmp, strncasecmp
12421         and strndup.
12422
12423 2005-04-03  Richard Earnshaw  <richard.earnshaw@arm.com>
12424
12425         PR target/14812
12426         * arm.md (addsi3_compare0_for_combiner): Delete.
12427         (addsi3_compare0_scratch_for_combiner): Delete.
12428         (cmpsi_neg_shiftsi): Delete.
12429         (compare_negsi_si): New pattern.
12430         (cmpsi_negshiftsi_si): New pattern.
12431         (negated_cbranchsi4): Restrict to equality_operator.
12432
12433         * arm.md (movhi_insn_arch4): delete trailing white space from assembler
12434         template.
12435
12436 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
12437
12438         * cfghooks.c, cfgrtl.c, modulo-sched.c, config/i386/winnt.c:
12439         Fix comment typos.
12440
12441         * doc/install.texi: Fix a typo.
12442
12443 2005-04-03  Steven Bosscher  <stevenb@suse.de>
12444
12445         PR middle-end/20648
12446         * bb-reorder.c (duplicate_computed_gotos): Do not unfactor
12447         a computed goto if the edge to the computed goto block has
12448         incoming abnormal edges.  Clarify how the function works.
12449
12450 2005-04-03  Nathan Sidwell  <nathan@codesourcery.com>
12451
12452         * params.c (set_param_value): Use gcc_assert & gcc_unreachable.
12453         * passes.c (open_dump_file, rest_of_handle_final): Likewise.
12454         * postreload-gcse.c (expr_equiv_p, oprs_unchanged_p,
12455         hash_scan_set, reg_set_between_after_reload_p,
12456         reg_used_between_after_reload_p, get_avail_load_store_reg,
12457         eliminate_partially_redundant_load): Likewise.
12458         * postreload.c (reload_cse_simplify_set,
12459         reload_combine_note_use): Likewise.
12460         * predict.c (predict_insn, expected_value_to_br_prob,
12461         propagate_freq, expensive_function_p): Likewise.
12462         * print-rtl.c (print_rtx): Likewise.
12463         * profile.c (instrument_edges, instrument_values,
12464         compute_branch_probabilities, branch_prob, union_groups,
12465         tree_register_profile_hooks, rtl_register_profile_hooks): Likewise.
12466         * protoize.c (in_system_include_dir, file_could_be_converted,
12467         file_normally_convertible, gen_aux_info_file, seek_to_line,
12468         do_cleaning): Likewise.
12469         * tree-ssa-alias.c (collect_points_to_info_r): Likewise.
12470         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
12471         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
12472
12473 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
12474
12475         * cfg.c (clear_bb_flags): Don't clear BB_DISABLE_SCHEDULE.
12476         * modulo-sched.c (undo_replace_buff_elem): New structure.
12477         (kernel_number_of_cycles, ps_unschedule_node,
12478         undo_generate_reg_moves,free_undo_replace_buff,
12479         undo_permute_partial_schedule,  loop_single_full_bb_p,
12480         SIMPLE_SMS_LOOP_P, loop_canon_p, canon_loop,
12481         build_loops_structure, get_sched_window): New.
12482         (generate_reg_moves): Return undo_replace_buff_elem and other
12483         fixes.
12484         (generate_prolog_epilog): Remove old loop versioning.
12485         (sms_schedule): Use loop information and loop_version.
12486         (sms_schedule_by_order): Split part of it to get_sched_window.
12487         * passes.c (rest_of_handle_sms): call cfg_layout_initialize
12488         cfg_layout_finalize and free_dominance_info before/after SMS.
12489
12490 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
12491
12492         * cfghooks.c (lv_flush_pending_stmts,
12493         cfg_hook_duplicate_loop_to_header_edge, extract_cond_bb_edges,
12494         lv_adjust_loop_header_phi, lv_add_condition_to_bb): New.
12495         * cfghooks.h (cfg_hook_duplicate_loop_to_header_edge,
12496         lv_add_condition_to_bb,
12497         lv_adjust_loop_header_phi, extract_cond_bb_edges,
12498         flush_pending_stmts): New in cfg_hooks structure.
12499         (cfg_hook_duplicate_loop_to_header_edge, lv_flush_pending_stmts,
12500         extract_cond_bb_edges, lv_adjust_loop_header_phi,
12501         lv_add_condition_to_bb): New declarations.
12502         * cfgloop.h (duplicate_loop_to_header_edge): Change return type to
12503         bool.
12504         (loop_version): Declare.
12505         * cfgloopmanip.c (cfghooks.h): Include.
12506         (duplicate_loop_to_header_edge): Change return type to bool.
12507         (loop_version, lv_adjust_loop_entry_edge): Move here.
12508         * cfgrtl.c (cfgloop.h): Include.
12509         (rtl_verify_flow_info_1): Fix.
12510         (rtl_lv_add_condition_to_bb, rtl_extract_cond_bb_edges): New.
12511         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add hooks to
12512         initialization.
12513         * tree-cfg.c (tree_lv_adjust_loop_header_phi,
12514         tree_lv_add_condition_to_bb): New.
12515         (tree_cfg_hooks): Add new hooks to initialization.
12516         * tree-ssa-loop-manip.c (lv_adjust_loop_header_phi,
12517         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Remove.
12518
12519 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
12520
12521         * config/stormy16/stormy16.h (PREDICATE_CODES): Add SUBREG to
12522         xstormy16_below100_or_register,
12523         xstormy16_splittable_below100_or_register, and
12524         nonimmediate_nonstack_operand.
12525
12526         * config/stormy16/stormy16-protos.h: Remove the prototypes for
12527         xstormy16_ineqsi_operator, equality_operator,
12528         inequality_operator, shift_operator,
12529         xstormy16_below100_operand, xstormy16_below100_or_register,
12530         xstormy16_splittable_below100_or_register,
12531         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand.
12532         * config/stormy16/stormy16.c (xstormy16_ineqsi_operator,
12533         equality_operator, inequality_operator,
12534         xstormy16_below100_operand, xstormy16_below100_or_register,
12535         xstormy16_splittable_below100_or_register,
12536         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand,
12537         nonimmediate_nonstack_operand, shift_operator): Move to
12538         predicates.md.
12539         * config/stormy16/stormy16.h (PREDICATE_CODES): Remove.
12540         * config/stormy16/stormy16.md: Include predicates.md.
12541         * config/stormy16/predicates.md: New.
12542
12543 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
12544
12545         * config/iq2000/iq2000.c (uns_arith_operand, arith_operand,
12546         small_int, large_int, reg_or_0_operand, simple_memory_operand,
12547         equality_op, cmp_op, pc_or_label_operand, call_insn_operand,
12548         move_operand, power_of_2_operand): Move to predicates.md.
12549         * config/iq2000/iq2000.h (SPECIAL_MODE_PREDICATES,
12550         PREDICATE_CODE): Remove.
12551         * config/iq2000/iq2000.md: Include predicates.md.
12552         * config/iq2000/predicates.md: New.
12553
12554 2005-04-02  Richard Sandiford  <rsandifo@redhat.com>
12555
12556         * config/m68hc11/m68hc11.h (target_flags, MASK_SHORT)
12557         (MASK_AUTO_INC_DEC, MASK_M6811, MASK_M6812, MASK_M68S12)
12558         (MASK_NO_DIRECT_MODE, MASK_MIN_MAX, MASK_LONG_CALLS)
12559         (TARGET_SHORT, TARGET_M6811, TARGET_M6812, TARGET_M68S12)
12560         (TARGET_AUTO_INC_DEC, TARGET_MIN_MAX, TARGET_NO_DIRECT_MODE)
12561         (TARGET_LONG_CALLS, TARGET_SWITCHES, TARGET_OPTIONS)
12562         (SUBTARGET_SWITCHES, SUBTARGET_OPTIONS, m68hc11_regparm_string)
12563         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
12564         (TARGET_M68HC11): Delete.
12565         (TARGET_DEFAULT): Change the default setting from MASK_M6811 to 0.
12566         * config/m68hc11/m68hc12.h (TARGET_M68HC12): Delete.
12567         * config/m68hc11/m68hc11.c (m68hc11_regparm_string)
12568         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
12569         (nb_soft_regs): Delete.
12570         (TARGET_DEFAULT_TARGET_FLAGS): Override default with TARGET_DEFAULT.
12571         (m68hc11_override_options): Remove the code that caters for MASK_M6811
12572         and MASK_M6812 being set simultaneously.  Change the code that sets
12573         the default m68hc11_soft_reg_count to use integers instead of strings.
12574         (m68hc11_conditional_register_usage, hard_regno_mode_ok): Use
12575         m68hc11_soft_reg_count (which now has an int type) as the number
12576         of soft registers.
12577         * config/m68hc11/m68hc11.opt: New file.
12578
12579 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
12580
12581         * config/fr30/fr30.h (PREDICATE_CODES): Remove
12582         fp_displacement_operand, sp_displacement_operand.
12583
12584         * config/m68hc11/m68hc11-protos.h: Add a prototype for
12585         m68hcc_auto_inc_p.
12586         Remove the prototypes for tst_operand, cmp_operand,
12587         stack_register_operand, d_register_operand,
12588         hard_addr_reg_operand, splitable_operand,
12589         m68hc11_logical_operator, m68hc11_arith_operator,
12590         m68hc11_non_shift_operator, m68hc11_shift_operator,
12591         m68hc11_unary_operator, m68hc11_eq_compare_operator,
12592         non_push_operand, hard_reg_operand, and
12593         reg_or_some_mem_operand.
12594         * config/m68hc11/m68hc11.c (m68hcc_auto_inc_p): Make it
12595         extern.
12596         (tst_operand, cmp_operand, non_push_operand,
12597         splitable_operand, reg_or_some_mem_operand,
12598         stack_register_operand, d_register_operand,
12599         hard_addr_reg_operand, hard_reg_operand,
12600         m68hc11_eq_compare_operator, m68hc11_logical_operator,
12601         m68hc11_arith_operator, m68hc11_non_shift_operator,
12602         m68hc11_shift_operator, m68hc11_unary_operator): Move to
12603         predicates.md.
12604         * config/m68hc11/m68hc11.h (PREDICATE_CODES): Remove.
12605         * config/m68hc11/m68hc11.md: Include predicates.md.
12606         * config/m68hc11/predicates.md: New.
12607
12608 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
12609
12610         PR debug/19345
12611         * dwarf2out.c (add_abstract_origin_attribute): Revert accidental
12612         change checked in along with 2005-03-03's patch for debug/20253.
12613         * tree-inline.c (remap_type): Remap TYPE_STUB_DECL.
12614         (remap_decl): Insert type decl in map earlier.
12615
12616 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
12617
12618         PR tree-optimization/20640
12619         * tree-ssa-dce.c (remove_dead_stmt): Don't redirect edge to
12620         post-dominator if it has phi nodes.
12621         (eliminate_unnecessary_stmts): Remove dead phis in all blocks
12622         before dead statements.
12623
12624 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
12625
12626         PR middle-end/20491
12627         * final.c (alter_subreg): Don't call subreg_regno for a non-REG.
12628
12629 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
12630
12631         PR rtl-optimization/20290
12632         * loop.c (for_each_insn_in_loop): Don't assume the loop body runs
12633         in every iteration if the entry point is the exit test.
12634
12635 2005-04-02  Hans-Peter Nilsson  <hp@axis.com>
12636
12637         * config/cris/cris.md (attribute "length"): Define.
12638
12639 2005-04-02  Geoffrey Keating  <geoffk@apple.com>
12640
12641         * config/rs6000/predicates.md (indexed_or_indirect_operand): New.
12642         (word_offset_memref_operand): New.
12643         * config/rs6000/rs6000-protos.h (word_offset_memref_operand): Delete.
12644         (indexed_or_indirect_operand): Delete.
12645         * config/rs6000/rs6000.c (word_offset_memref_operand): Delete.
12646         (indexed_or_indirect_operand): Delete.
12647
12648         * config/rs6000/t-darwin8: Comment out ppc64 multilib.
12649
12650         PR 20650
12651         * config/rs6000/rs6000.md (fix_truncdfsi2): Make destination
12652         a register.
12653
12654         * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Add -pipe.
12655         * config/t-darwin (TARGET_LIBGCC2_CFLAGS): Likewise.
12656
12657 2005-04-01  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
12658
12659         * gcc/config/vax/vax.md: Spellcheck, fix whitespace.
12660
12661 2005-04-01  Ian Lance Taylor  <ian@airs.com>
12662
12663         * gcc.c: Don't include <sys/resource.h> or declare getrusage.
12664         (rus, prus): Remove static variables.
12665         (execute): Use pex_run/pex_get_status rather than pexecute/pwait.
12666         (process_command): Permit report_times and use_pipes together.
12667
12668 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
12669
12670         * c-decl.c (validate_proto_after_old_defn): Look at
12671         TYPE_MAIN_VARIANT of argument types.
12672
12673 2005-04-01  Paul Brook  <paul@codesourcery.com>
12674
12675         * config/arm/arm.c (thumb_call_via_label): Include space for SP.
12676         (arm_output_function_epilogue): Allow call_via_SP.
12677         (thumb_call_via_reg, arm_file_end): Ditto.
12678         * config/arm/arm.h (struct machine_function): Include space for SP.
12679         (thumb_call_via_label): Update declaration.
12680
12681 2005-04-01  Ian Lance Taylor  <ian@airs.com>
12682
12683         * final.c (final_scan_insn): Revert part of 2005-03-30 patch: when
12684         doing a peephole optimization, once again put any notes in the
12685         proper position.
12686
12687 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
12688
12689         * bb-reorder.c, fold-const.c, varasm.c: Fix comment typos.
12690
12691 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
12692
12693         * local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
12694         (block_alloc, find_free_reg): Likewise.
12695         * loop-doloop.c (doloop_modify): Likewise.
12696         * loop-invariant.c (record_use): Likewise.
12697         * loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
12698         get_iv_value, canon_condition, eliminate_implied_condition,
12699         eliminate_implied_condition, simplify_using_initial_values,
12700         shorten_into_mode, canonicalize_iv_subregs,
12701         iv_number_of_iterations): Likewise.
12702         * loop-unroll.c (expand_var_during_unrolling): Likewise.
12703         * loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
12704         unswitch_loop): Likewise.
12705         * loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
12706         move_movables, replace_call_address, find_and_verify_loops,
12707         rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
12708         record_giv, final_giv_value, general_induction_var,
12709         simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
12710         loop_giv_dump): Likewise.
12711
12712         * gcov-io.h (GCOV_CHECK, GCOV_CHECK_READING,
12713         GCOV_CHECK_WRITING): Remove.
12714         (gcov_position, gcov_rewrite): Use gcc_assert.
12715         * gcov-io.c (gcov_open, gcov_write_words, gcov_write_length,
12716         gcov_read_words, gcov_sync, gcov_seek): Use gcc_assert.
12717         * libgcov.c (__gcov_merge_single, __gcov_merge_delta): Use
12718         gcc_assert.
12719
12720 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
12721
12722         * tree-inline.c: Fix a typo.
12723
12724 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
12725
12726         * configure.ac (enable-checking): Explicitly set all variables for
12727         collective switch values.  Alphabetize variables. Rename
12728         ac_checking_valgrind to ac_valgrind_checking.  Allow 'none' as
12729         synonym for 'no'.
12730         * doc/install.texi (enable-checking): Update documentation.
12731         * configure: Rebuilt.
12732
12733 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
12734
12735         * tree-inline.c (copy_body_r): Use CONSTANT_CLASS_P where
12736         possible.
12737
12738 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
12739
12740         * arm.c (adjacent_mem_locations): Reject volatile memory refs.
12741         Also reject cases where this pattern will cause load delay stalls
12742         unless optimizing for size and it will produce a shorter sequence.
12743         * arm.md (arith_adjacent_mem): Make better use of ldm addressing
12744         variants to avoid pre-adjusting the base when possible.
12745
12746 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
12747
12748         * arm.md (minmax_arithsi): Reject all eliminable registers, not just
12749         the frame and argument pointers.
12750         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec): Likewise.
12751         (loadqisi_preinc, loadqisi_predec, strsi_preinc): Likewise.
12752         (strsi_predec, loadsi_preinc, loadsi_predec): Likewise.
12753         (strqi_shiftpreinc, strqi_shiftpredec, loadqi_shiftpreinc): Likewise.
12754         (loadqi_shiftpredec, strsi_shiftpreinc, strsi_shiftpredec): Likewise.
12755         (loadsi_shiftpreinc, loadsi_shiftpredec): Likewise.
12756
12757 2005-04-01  Danny Smith  <dannysmith@users.sourceforge.net>
12758
12759         * config/i386/cygming.h (SUBTARGET_ATTRIBUTE_TABLE): Define,
12760         with entry for selectany attribute.
12761         * config/i386/i386-protos.h (ix86_handle_selectany_attribute):
12762         Declare.
12763         * config/i386/winnt.c (ix86_handle_selectany_attribute): Define.
12764         (i386_pe_asm_named_section): Handle sections generated by
12765         selectany attribute.
12766         * doc/extend.texi (selectany): Document attribute.
12767
12768 2005-04-01  Paolo Bonzini  <bonzini@gnu.org>
12769             Jan Hubicka  <jh@suse.cz>
12770
12771         * config/i386/i386.c (ix86_decompose_address): Look inside SUBREGs
12772         to fix addresses involving EBP and ESP.
12773         (aligned_operand, legitimate_address_p, ix86_address_cost): Be prepared
12774         for SUBREGed registers.
12775         (legitimate_address_p): Accept SUBREGed registers.
12776
12777 2005-04-01  Jakub Jelinek  <jakub@redhat.com>
12778
12779         PR c++/19406
12780         * dwarf2out.c (gen_type_die_for_member): Handle FIELD_DECL.
12781         (dwarf2out_imported_module_or_decl): Use gen_type_die_for_member
12782         for FIELD_DECLs.
12783
12784 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
12785
12786         * doc/contrib.texi, doc/invoke.texi, doc/tm.texi: Fix typos.
12787
12788 2005-04-01  James E Wilson  <wilson@specifixinc.com>
12789
12790         PR c++/20505
12791         * dwarf2out.c (rtl_for_decl_init): New function.
12792         (rtl_for_decl_location): Extracted from here.
12793         (tree_add_const_value_attribute): Call rtl_for_decl_init and
12794         add_const_value_attribute.  Delete initializer_constant_valid_p call.
12795
12796 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
12797
12798         * cgraphunit.c, dbxout.c, flow.c, gcse.c, gimplify.c,
12799         lambda-code.c, loop.c, machmode.def, mips-tfile.c,
12800         modulo-sched.c, passes.c, postreload-gcse.c, tree-eh.c,
12801         tree-ssa-ccp.c, varasm.c, config/frv/frv.c, config/frv/frv.h,
12802         config/frv/frv.md, config/i386/i386.c, config/i386/i386.h,
12803         config/i386/i386.md, config/rs6000/predicates.md,
12804         config/rs6000/rs6000.c, config/s390/fixdfdi.h,
12805         config/s390/s390.c, config/stormy16/stormy16.c,
12806         config/stormy16/stormy16.md, config/vax/vax.md: Fix comment
12807         typos.
12808
12809 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
12810
12811         PR c/17855
12812         * gimplify.c (gimplify_expr): Create a temporary for lvalue
12813         COND_EXPR and CALL_EXPR.
12814
12815 2005-03-31  Vladimir Makarov  <vmakarov@redhat.com>
12816
12817         PR target/20632
12818         * genautomata.c (first_cycle_unit_presence): Check all alternative
12819         states for unit presence.
12820
12821         * doc/md.texi: Remove remark about impossibility to query unit
12822         presence in non nondeterministic automaton state.
12823
12824         * config/ia64/ia64.c (get_template): Change order of unit querying.
12825
12826 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
12827
12828         * tree-ssa-dom.c (cprop_into_successor_phis): Remove an
12829         obsolete comment.
12830
12831 2005-03-31  Zdenek Dvorak  <dvorakz@suse.cz>
12832
12833         * cfgloopanal.c (mark_loop_exit_edges): Clean EDGE_LOOP_EXIT
12834         flag for edges outside any loops.
12835
12836 2005-03-31  Janis Johnson  <janis187@us.ibm.com>
12837
12838         * doc/sourcebuild.texi (Test Directives): Describe cleanup-* procs.
12839
12840 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
12841
12842         * tree-ssa-alias.c: Follow spelling conventions.
12843         * doc/tree-ssa.texi: Fix a typo.
12844
12845 2005-03-31  J"orn Rennecke <joern.rennecke@st.com>
12846
12847         * postreload-gcse.c: Include target.h.
12848         (gcse_after_reload_main): Return early if we cannot modify jumps.
12849         * Makefile.in (postreload-gcse.o): Depend on $(TARGET_H).
12850
12851 2005-03-31  David Edelsohn  <edelsohn@gnu.org>
12852
12853         * tree-ssa-loop-im.c (stmt_cost): Add RDIV_EXPR to list of
12854         expensive operations.
12855
12856 2005-03-31  Ian Lance Taylor  <ian@airs.com>
12857
12858         * collect2.c (lderrout): New variable.
12859         (collect_exit): Dump ldout to stdout.  Dump and unlink lderrout,
12860         if it is set, to stderr.
12861         (handler): Unlink lderrout if it is set.
12862         (dump_file): Add "to" parameter.  Change all callers.
12863         (main): Initialize lderrout.
12864         (collect_execute): Add errname parameter.  Change all callers.
12865         Rename redir parameter to outname.  Never pass
12866         PEX_STDERR_TO_STDOUT to pex_run.
12867         * collect2.h (collect_execute, dump_file): Update declarations.
12868         * tlink.c (tlink_execute): Add errname parameter.  Change all
12869         callers.
12870         (do_tlink): Check lderrout as well as ldout.
12871
12872 2005-03-31  Caroline Tice  <ctice@apple.com>
12873
12874         * Makefile.in (varasm.o): Add basic-block.h to list of requirements.
12875         (bb-reorder.o): Add errors.h to list of requirements.
12876         (STAGEFEEDBACK_FLAGS_TO_PASS): Add -freorder-blocks-and-partition to
12877         profiledbootstrap flags.
12878         * bb-reorder.c (errors.h): Add new include.
12879         (struct bbro_basic_block_data_def): Add new field, in_trace.
12880         (add_unlikely_executed_notes):  Remove function.
12881         (mark_bb_for_unlikely_executed_section): Remove function.
12882         (insert_section_boundary_note): New function.
12883         (verify_hot_cold_block_grouping): New function.
12884         (push_to_next_round_p): Remove variables and tests that push all
12885         cold blocks to last round.
12886         (find_traces): Remove code that added extra round of trace finding
12887         when doing partitioning.
12888         (find_traces_1_round) :  Remove variable last_round;  add code to
12889         update new struct field, in_trace; correct trace_length where it was
12890         incorrect before (after call to copy_bb); change code that pushed all
12891         cold blocks to last round. Instead verify that all blocks going into
12892         a trace belong in the same partition.
12893         (connect_traces): Modify to connect the traces in two passes, if the
12894         function contains both hot and cold blocks.  The first pass connects
12895         all the traces for blocks in the partition that the first block in
12896         the function belongs to; the second pass connnects all the traces
12897         containing blocks that belong in the other partition.
12898         (find_rarely_executed_basic_blocks_and_crossing_edges):  Remove
12899         code that automatically put the first block in a function into the
12900         hot partition if the function had any hot blocks.
12901         (fix_crossing_unconditional_branches): Check number of succ edges
12902         before attempting to get one.
12903         (fix_edges_for_rarely_executed_code):  Update comment describing
12904         function.
12905         (reorder_basic_blocks):  Add code to initialize new field (in_trace);
12906         remove call to add_unlikely_executed_notes; add call to
12907         verify_hot_cold_block_grouping.
12908         (duplicate_computed_gotos): Don't change computed goto if it's a
12909         crossing edge.
12910         (partition_hot_cold_basic_blocks):  Update function comment.
12911         * cfgcleanup.c (try_simplify_condjump): Remove redundacy from
12912         condition.
12913         (try_forward_edges): Likewise.
12914         (merge_blocks_move_predecessor_nojumps): Likewise.
12915         (merge_blocks_move_successor_nojumps): Likewise.
12916         (merge_blocks_move): Likewise.
12917         (try_crossjump_bb): Likewise.
12918         * cfglayout.c (update_unlikely_executed_notes): Remove function.
12919         (fixup_reorder_chain): Remove code for adding UNLIKELY_EXECUTED_CODE
12920         notes to cold bb's; remove call to update_unlikely_executed_notes.
12921         (duplicate_insn_chain):  change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
12922         NOTE_INSN_SWITCH_TEXT_SECTIONS.
12923         * cfglayout.h (scan_ahead_for_unlikely_executed_note): Remove
12924         function declaration.
12925         * cfgrtl.c (can_delete_note_p): Remove UNLIKELY_EXECUTED_CODE note
12926         from consideration.
12927         (rtl_can_merge_blocks): Remove redundancy from condition.
12928         (try_redirect_by_replacing_jump): Likewise.
12929         (force_nonfallthru_and_redirect): Remove code for adding
12930         UNLIKELY_EXECUTED_CODE notes to cold bb's.
12931         (commit_one_edge_insertion): Likewise.
12932         (cfg_layout_can_merge_blocks_p): Remove redundancy from condition.
12933         * dbxout.c (FORCE_TEXT): Replace function_section with
12934         current_function_section.
12935         (struct dbx_debug_h): Add do_nothing function for new debug_hooks
12936         function, switch_text_section.
12937         (struct xcoff_debug): Likewise.
12938         (dbxout_function_end): Add code to put out label diffs for both
12939         hot and cold sections.
12940         * debug.c (struct do_nothing_debug_hooks): Add do_nothing function
12941         for new debug_hooks funciton, switch_text_section..
12942         * debug.h (struct gcc_debug_hooks):  Add new function to debug_hooks,
12943         switch_text_section.
12944         * dwarf2out.c (struct dw_fde_struct):  Add five new fields:
12945         dw_fde_hot_section_label, dw_fde_hot_section_end_label,
12946         dw_fde_unlikely_section_label, dw_fde_unlikely_section_end_label and
12947         dw_fde_switched_sections.
12948         (output_call_frame_info):  Add test to see if function switches text
12949         sections in the middle; if so, use appropriate extra hot and cold
12950         section labels to compute size deltas for the hot and cold sections.
12951         (dwarf2out_begin_prologue): Add code to initialize new fields in
12952         dw_fde_struct.
12953         (dwarf2out_switch_text_section): New function (invoked through
12954         debug_hook); updates new fields in dw_fde_struct appropriately and
12955         increments separate_line_info_table_in_use.
12956         (dwarf2_debug_hooks): Initialize switch_text_section function to be
12957         dwarf2out_switch_text_section.
12958         (struct var_loc_node): Add new field, section_label.
12959         (output_aranges): Add code to check whether in hot or cold section and
12960         use the appropriate label in calculating deltas.
12961         (output_ranges): Likewise.
12962         (output_line_info): Add code to check which section we're in and
12963         use appropriate hot/cold label.
12964         (add_location_or_constant_value_attribute): Likewise.
12965         (gen_subprogam_die): Modify arange attributes to use correct labels.
12966         (dwarf2out_begin_block): Change call to function_section into call to
12967         current_function_section.
12968         (dwarf2out_end_block): Likewise.
12969         (dwarf2out_source_line): Likewise.
12970         (dwarf2out_var_location): Add code to check whether in hot or cold
12971         section and use the appropriate label.
12972         * except.c (output_function_exception_table): Change call to
12973         function_section into call to current_function_section.
12974         * final.c (profile_function): Likewise.
12975         (scan_ahead_for_unlikely_executed_note): Remove function.
12976         (final_scan_insn):  Remove calls to
12977         scan_ahead_for_unlikely_executed_note, and related code for switching
12978         to cold section, except for the single time
12979         NOTE_INSN_SWITCH_TEXT_SECTIONS may be encountered;  add calls to
12980         debug_hooks->switch_text_sections; replace appropriate calls to
12981         function_section with calls to current_function_section.
12982         * ifcvt.c (find_if_case_1): Remove redundancy from condition, add
12983         test_bb to condition.
12984         (find_if_case_2): Likewise.
12985         * insn-notes.def: Change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
12986         NOTE_INSN_SWITCH_TEXT_SECTIONS.  Update comment appropriately.
12987         * opts.c (decode_options): Change warning about hot/cold partitioning
12988         with exceptionss to inform (so as not to cause bootstrap failures);
12989         remove warning about partitioning with DWARF debug info.
12990         * output.h (current_function_section): Add new function decl.
12991         (insert_section_boundary_note): Likewise.
12992         (enum in_section): Move this declaration here from varasm.c.
12993         (unlikely_section_label): Likewise.
12994         (unlikely_text_section_name): Likewise.
12995         (last_text_section_name): New global variable.
12996         (last_text_section): Likewise.
12997         (hot_section_label): Likewise.
12998         (hot_section_end_label): Likewise.
12999         (cold_section_end_label): Likewise.
13000         * passes.c (rest_of_handle_final): Free unlikely_text_section_name.
13001         * print-rtl.c (print_rtx): Change NOTE_INSN_UNLIKELY_EXECUTED_CODE
13002         to NOTE_INSN_SWITCH_TEXT_SECTIONS.
13003         * reg-stack.c (emit_swap_insn): Remove UNLIKELY_EXECUTED_CODE note
13004         insn from consideration.
13005         * sdbout.c (sdb_debug_hooks): Add do_nothing for new function,
13006         switch_text_section.
13007         * varasm.c (basic-block.h): Add new include.
13008         (unlikely_section_label_printed): Remove global variable.
13009         (unlikely_section_label): Make global variable not be static any more.
13010         (unlikely_text_section_name): Likewise.
13011         (hot_section_end_label): New global variable (not static)
13012         (first_function_block_is_cold): Likewise.
13013         (hot_section_label): Likewise.
13014         (cold_section_end_label): Likewise..
13015         (last_text_section): New global variable, not static.
13016         (last_text_section_name): New global variable, not static.
13017         (initialize_cold_section_name): New function.
13018         (enum in_section): Move declaration to output.h.
13019         (text_section): Update last_text_section.
13020         (unlikely_text_section): Replace code to determine cold section name
13021         with call to initialize_cold_section_name; Add code to update
13022         last_text_section; remove code for printing out label.
13023         (named_section_real): Add code to update last_text_section and
13024         last_text_section_name as appropriate.
13025         (function_section): Change test for 'unlikely' to depend on
13026         first_function_block_is_cold (moved old test to
13027         current_function_section).
13028         (current_function_section): New function.
13029         (assemble_start_function): Move code that frees
13030         unlikely_text_section_name; initialize hot_section_end_label;
13031         print hot and cold section labels at the start of the function;
13032         set first_function_block_is_cold, if appropriate; initialize l
13033         ast_text_section; add call to insert_section_boundary_note.
13034         (assemble_end_function):  Add code to write out hot and cold section
13035         end labels.
13036         *vmsdbgout.c (vmsdbg_debug_hooks): Add do_nothing for new function,
13037         switch_text_section.
13038         * config/darwin.c (machopic_select_section): Replace incorrect
13039         function in base_funs; update reloc for cold sections if necessary.
13040         * config/darwin.h (SECTION_FUNCTION):  Add code to update
13041         last_text_section if appropriate.
13042         (text_unlikely_section): Remove.
13043         * config/sparc/sparc.c (sparc_output_deferred_case_vectors): Likewise.
13044         * config/stormy16/stormy16.c (stormy_16_output_addr_vec): Likewise.
13045         * config/xtensa/xtensa.c (override_options): Turn off hot/cold
13046         partitioning for this architecture.
13047
13048 2005-03-31  Olivier Hainque  <hainque@adacore.com>
13049
13050         * dwarf2out.c (dwarf2out_frame_finish): Honor DWARF2_FRAME_INFO
13051         defined and non-zero.
13052
13053 2005-03-31  Gabriel Dos Reis  <gdr@integrable-solutions.net>
13054
13055         PR c++/18644
13056         * doc/invoke.texi (-Wsynth): Don't document, as it now is void of
13057         semantics.
13058
13059 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
13060
13061         PR target/20611
13062         * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Remove inline
13063         label operand.  Remove (use (unspec..)).  Don't emit a label on
13064         the offset word.
13065         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Don't
13066         generate inline label for load_toc_v4_PIC_1b.
13067         (rs6000_emit_load_toc_table): Likewise.
13068
13069 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
13070
13071         * config.gcc: Obsolete i860-*-sysv4*, ip2k-*-elf,
13072         ns32k-*-netbsdelf*, and ns32k-*-netbsd*.
13073
13074 2005-03-29  Devang Patel  <dpatel@apple.com>
13075
13076         * tree-sra.c (decide_block_copy): Disable scalarization of
13077         sub-elements.
13078
13079 2005-03-30  Stuart Hastings  <stuart@apple.com>
13080             Dale Johannesen  <dalej@apple.com>
13081
13082         * Makefile.in (print-tree.o):  Depend on tree-iterator.h.
13083         * print-tree.c (print_node):  Add case STATEMENT_LIST.
13084
13085 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
13086
13087         * config.gcc (cpu_is_64bit): Set for 64-bit powerpc cpus.
13088         (powerpc64-*-linux*): Use it.  Rearrange tm_file assignment.
13089         (powerpc-*-linux*): Build a biarch compiler when --enable-targets
13090         is given with "powerpc64*" or "all", or when --with-cpu chooses
13091         a 64-bit cpu.
13092
13093 2005-03-30  James E. Wilson  <wilson@specifixinc.com>
13094
13095         PR debug/20268
13096         * dwarf2out.c (add_high_low_attributes): New function, extracted from
13097         gen_lexical_block_die.
13098         (gen_lexical_block_die, gen_inlined_subroutine_die): Call it.
13099
13100 2005-03-31  Jan Hubicka  <jh@suse.cz>
13101
13102         2004-11-02  Jan Hubicka  <jh@suse.cz>
13103
13104         * cgraph.c (cgraph_varpool_node_name): New function.
13105         (dump_cgraph_varpool_node): New function.
13106         (dump_varpool): New function.
13107         * cgraphunit.c (cgraph_optimize): Dump varpool.
13108
13109         2004-10-16  Jan Hubicka  <jh@suse.cz>
13110
13111         * cgraph.c (decide_is_variable_needed): New function.
13112         (cgraph_varpool_finalize_decl): Use it.
13113         * cgraphunit.c (cgraph_optimize): Assemble_pending_decls when not doing
13114         unit-at-a-time.
13115         * final.c (output_addr_const): Do not call mark_referenced.
13116         * passes.c (rest_of_decl_compilation): ifdef out DECL_RTL_SET_P hack;
13117         always go via cgraph.
13118         * toplev.c (wrapup_global_declarations): Kill non-unit-at-a-time code.
13119         (check_global_declarations): Ifdef out code clearing DECL_RTL.
13120         * tree-optimize.c (execute_inline): Mark functions called.
13121         * i386.c (output_pic_addr_const): Do not call mark_decl_referenced.
13122
13123         2004-10-11  Jan Hubicka  <jh@suse.cz>
13124
13125         * cgraph.c (cgraph_varpool_first_unanalyzed_node): New global voriable
13126         (cgraph_varpool_last_needed_node): New static variable.
13127         (enqueue_needed_varpool_node): Break out from ...; add items to the
13128         end of queue; update first pointers.
13129         (cgraph_varpool_mark_needed_node): ... here.
13130         (cgraph_varpool_finalize_decl): Use enqueue_needed_varpool_node.
13131         (cgraph_varpool_assemble_pending_decls): Move to cgraphunit.c
13132         * cgraph.h (cgraph_varpool_node): Add analyzed field.
13133         (cgraph_varpool_first_unanalyzed_node): Declare.
13134         * cgraphunit.c: Include output.h.
13135         (cgraph_varpool_analyze_pending_decls): New function.
13136         (cgraph_varpool_assemble_pending_decls): Move from cgraph.c; bail out
13137         for errors, analyze pending decls.
13138         (cgraph_finalize_compilation_unit): Only analyze decls.
13139         (cgraph_optimize): Assemble the decls after expanding.
13140
13141 2005-03-30  Daniel Berlin  <dberlin@dberlin.org>
13142
13143         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Make sure
13144         subvars get marked properly in tags for grouping.
13145         (add_pointed_to_var): Mark only actual pointed to
13146         variables/subvars in addresses needed.
13147         (create_overlap_variables_for): Clear call clobbered on original
13148         variable.
13149         * tree-ssa-operands.c (get_asm_expr_operands): Don't let regular
13150         addresable vars with subvars into list.
13151         * tree-ssa.c (verify_ssa_name): Verify original is not used where
13152         subvar should be.
13153
13154 2005-03-30  Richard Henderson  <rth@redhat.com>
13155
13156         * cgraph.h (struct cgraph_node): Add alias.
13157         * varasm.c (assemble_alias): Set it.
13158         * cgraphunit.c (cgraph_assemble_pending_functions): Check it and
13159         avoid calling cgraph_expand_function.
13160
13161 2005-03-30  Tom Tromey  <tromey@redhat.com>
13162
13163         * tree.def (FILE_TYPE): Removed.
13164         * typeclass.h (enum type_class): Removed file_type_class.
13165         * dwarf2out.c (is_base_type): Updated.
13166         (gen_type_die): Likewise.
13167         * dbxout.c (dbxout_type): Updated.
13168         * builtins.c (type_to_class): Updated.
13169         * tree.c (type_contains_placeholder_1): Updated.
13170         * config/sparc/sparc.c (sparc_type_code): Updated.
13171         * config/ia64/ia64.c (hfa_element_mode): Updated.
13172         * expr.c (count_type_elements): Updated.
13173         * stor-layout.c (layout_type): Updated.
13174         * tree-inline.c (remap_type): Updated.
13175         * tree-pretty-print.c (dump_generic_node): Updated.
13176
13177 2005-03-30 Fariborz Jahanian <fjahanian@apple.com>
13178
13179         * builtins.c (expand_builtin_powi): Fix mode of
13180         2nd argument to match int.
13181         * libgcc2.h (__powisf2, __powidf2, __powixf2, __powitf2): Change
13182         2nd argument type to int.
13183         * libgcc2.c: Change prototype of __powi* functions to use
13184         int.
13185
13186 2005-03-30  Dale Johannesen  <dalej@apple.com>
13187
13188         PR middle-end/19225
13189         * calls.c (expand_call):  Flush pending deferrals before
13190         throwing call.
13191
13192 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
13193
13194         PR c/772
13195         PR c/17913
13196         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR,
13197         C_DECL_UNDEFINABLE_STMT_EXPR, struct c_label_list, struct
13198         c_label_context, label_context_stack): New.
13199         * c-decl.c (define_label): Check for jumps into statement
13200         expressions.  Add label to list of defined labels.
13201         (start_function): Push context on label_context_stack.
13202         (finish_function): Pop context from label_context_stack.
13203         * c-typeck.c (label_context_stack): New.
13204         (c_finish_goto_label): Check for jumps into statement
13205         expressions.  Add label to list of jumped to labels.
13206         (struct c_switch): Add blocked_stmt_expr.
13207         (c_start_case): Initialize it.
13208         (do_case): Check it.
13209         (c_finish_case): Verify !blocked_stmt_expr.
13210         (c_begin_stmt_expr):  Push context on label_context_stack.
13211         Increment blocked_stmt_expr.  Mark labels jumped to from outside
13212         as undefinable.
13213         (c_finish_stmt_expr): December blocked_stmt_expr.  Mark labels
13214         defined in the statement expression and no longer jumpable to.
13215         Mark labels jumped to from just outside the statement expression
13216         as again definable.  Pop context from label_context_stack.
13217         * doc/extend.texi (Statement Exprs): Update.
13218
13219 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
13220
13221         PR c/20368
13222         * c-decl.c (start_function): Check for old_decl being
13223         error_mark_node.
13224
13225 2005-03-30  Ian Lance Taylor  <ian@airs.com>
13226
13227         * final.c (final): Remove prescan parameter.  Change all callers.
13228         (final_scan_insn): Remove prescan parameter.  Change all callers.
13229
13230 2005-03-30  Kazu Hirata  <kazu@cs.umass.edu>
13231
13232         * tree-vectorizer.c: Fix comment typos.
13233
13234 2005-03-30  Sebastian Pop  <pop@cri.ensmp.fr>
13235
13236         * tree-scalar-evolution.c (instantiate_parameters_1): Return
13237         as soon as a chrec_dont_know is detected.
13238
13239 2005-03-31  Danny Smith  <dannysmith@users.sourceforge.net>
13240
13241         Merge from csl-arm-branch.
13242         2004-02-12  Mark Mitchell  <mark@codesourcery.com>
13243
13244         * tlink.c (recompile_files): Do not assume that "rename" can
13245         overwrite an existing file.
13246
13247 2005-03-31  Paolo Bonzini  <bonzini@gnu.org>
13248
13249         * gcc/configure.ac (TL_AC_GNU_MAKE_GCC_LIB_PATH): Remove.
13250         * gcc/configure: Regenerate.
13251
13252 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
13253
13254         * doc/install.texi: Update binutils requirement for powerpc*-linux.
13255
13256         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Update comments.
13257
13258         * calls.c (struct arg_data): Update "partial" comment.
13259         (load_register_parameters): Update "nregs" comment.
13260
13261 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
13262
13263         * config/iq2000/iq2000.h (target_flags, MASK_GPOPT, MASK_EMBEDDED_DATA)
13264         (MASK_UNINIT_CONST_IN_RODATA, TARGET_EMBEDDED_DATA, TARGET_SWITCHES)
13265         (TARGET_DEFAULT, TARGET_CPU_DEFAULT, SUBTARGET_TARGET_OPTIONS)
13266         (TARGET_OPTIONS, iq2000_cpu_string, iq2000_arch_string): Delete.
13267         (TARGET_DEBUG_MODE, TARGET_DEBUG_A_MODE, TARGET_DEBUG_B_MODE)
13268         (TARGET_DEBUG_C_MODE, TARGET_DEBUG_D_MODE): Define to 0 rather
13269         than target_flags & 0.
13270         * config/iq2000/iq2000.c (iq2000_cpu_string, iq2000_arch_string)
13271         (iq2000_arch, iq2000_parse_cpu): Delete.
13272         (TARGET_HANDLE_OPTION): Override default.
13273         (iq2000_handle_option): New function.
13274         (override_options): Remove -march= and -mcpu= handling.
13275         * config/iq2000/iq2000.opt: New file.
13276
13277 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
13278
13279         * config/c4x/c4x-protos.h (c4x_rpts_cycles, c4x_cpu_version): Delete.
13280         * config/c4x/c4x.h (SMALL_MEMORY_FLAG, MPYI_FLAG, FAST_FIX_FLAG)
13281         (RPTS_FLAG, C3X_FLAG, TI_FLAG, PARANOID_FLAG, MEMPARM_FLAG, DEVEL_FLAG)
13282         (RPTB_FLAG, BK_FLAG, DB_FLAG, DEBUG_FLAG, HOIST_FLAG)
13283         (LOOP_UNSIGNED_FLAG, FORCE_FLAG, PRESERVE_FLOAT_FLAG)
13284         (PARALLEL_INSN_FLAG, PARALLEL_MPY_FLAG, ALIASES_FLAG, C30_FLAG)
13285         (C31_FLAG, C32_FLAG, C33_FLAG, C40_FLAG, C44_FLAG, TARGET_SWITCHES)
13286         (TARGET_DEFAULT, TARGET_SMALL, TARGET_MPYI, TARGET_FAST_FIX)
13287         (TARGET_RPTS, TARGET_TI, TARGET_PARANOID, TARGET_MEMPARM, TARGET_DEVEL)
13288         (TARGET_RPTB, TARGET_BK, TARGET_DB, TARGET_DEBUG, TARGET_HOIST)
13289         (TARGET_LOOP_UNSIGNED, TARGET_FORCE, TARGET_PRESERVE_FLOAT)
13290         (TARGET_PARALLEL, TARGET_PARALLEL_MPY, TARGET_ALIASES)
13291         (c4x_rpts_cycles_string, c4x_cpu_version_string)
13292         (TARGET_OPTIONS): Delete.
13293         (c4x_rpts_cycles, c4x_cpu_version): Declare.
13294         (TARGET_C3X, TARGET_C30, TARGET_C31, TARGET_C32, TARGET_C33)
13295         (TARGET_C40, TARGET_C44): Redefine in terms of c4x_cpu_version.
13296         * config/c4x/c4x.c (c4x_rpts_cycles_string): Delete.
13297         (c4x_cpu_version_string): Delete.
13298         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
13299         (c4x_handle_option): New function.  Map -m3x and -m4x options to the
13300         equivalent -mcpu= option.
13301         (c4x_override_options): Remove -mrpts= and -mcpu= handling from here.
13302         Deal with the extra conditions in the old TARGET_MPYI, TARGET_RPTB,
13303         TARGET_DB, TARGET_PARALLEL and TARGET_PARALLEL_MPY macros by setting
13304         or clearing the appropriate MASK_* bit.
13305         (c4x_file_start): Use c4x_cpu_version.
13306         * config/c4x/c4x.opt: New file.
13307
13308 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
13309
13310         * doc/options.texi: Document the new MaskExists flag.
13311         * opth-gen.awk: Don't output MASK and TARGET macros for Mask(...)
13312         if the option has the MaskExists flag.
13313
13314 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
13315
13316         * opt-functions.awk (flag_set_p, test_flag): New functions.
13317         (switch_flags): Use them.
13318         * opth-gen.awk: Use flag_set_p to check for flags.
13319         * optc-gen.awk: Likewise.  Use opt_args to check for Init(...) flags.
13320
13321 2005-03-30  Ian Lance Taylor  <ian@airs.com>
13322
13323         * config.host (i[34567]86-*-mingw32*): Don't set
13324         host_can_use_collect2 to no.
13325
13326 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
13327
13328         PR target/20203
13329         * builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL.
13330         Remove convert_memory_address call duplicating that in memory_address.
13331
13332 2005-03-29  Richard Henderson  <rth@redhat.com>
13333
13334         PR c/20519
13335         * c-decl.c (c_finish_incomplete_decl): Update complete_array_type call.
13336         (build_compound_literal): Likewise.  Propagate decl type into the
13337         initializer.
13338         (finish_decl): Likewise.  Use new return value from complete_array_type
13339         for zero sized arrays.
13340         (complete_array_type): Move ...
13341         * c-common.c (complete_array_type): ... here.  Change first argument
13342         to pointer-to-type-node.  Consistently use sizetype for the index
13343         except for zero sized arrays.  Detect zero sized arrays for pedantic
13344         mode diagnostics.  Create a new type node instead of modifying the
13345         old node in place.
13346         * c-tree.h (complete_array_type): Move decl ...
13347         * c-common.h (complete_array_type): ... here.
13348
13349 2005-03-29  Richard Henderson  <rth@redhat.com>
13350
13351         PR tree-opt/19108
13352         * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.
13353
13354 2005-03-29  Kazu Hirata  <kazu@cs.umass.edu>
13355
13356         * builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c,
13357         debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c,
13358         rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h,
13359         tree-profile.c, tsystem.h, value-prof.h: Update copyright.
13360
13361 2005-03-29  Eric Christopher  <echristo@redhat.com>
13362
13363         * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
13364         truthvalue conversion removal.
13365
13366 2005-03-29  Ian Lance Taylor  <ian@airs.com>
13367
13368         PR bootstrap/14316
13369         * collect2.c: Never include <vfork.h>.
13370         (VFORK_STRING, vfork): Don't define.
13371         (pid): Remove global variable.
13372         (handler): Call raise instead of kill (getpid(), ...).
13373         (collect_wait): Add pex parameter.  Change all callers.  Use
13374         pex_get_status rather than pwait.
13375         (do_wait): Add pex parameter.  Change all callers.
13376         (collect_execute): Return struct pex_obj * rather than void.  Use
13377         pex routines rather than pexecute.
13378         (fork_execute): Get pex_obj from collect_execute, and pass it to
13379         do_wait.
13380         (scan_prog_file): Use pex routines rather than pipe/vfork/exec.
13381         Only declare quit_handler if SIGQUIT is defined.
13382         (scan_libraries): Likewise.
13383         * collect2.h (collect_execute): Update declaration.
13384         (collect_wait): Update declaration.
13385         * tlink.c (tlink_execute): Get pex_obj from collect_execute, and
13386         pass it to collect_wait.
13387
13388 2005-03-29  Joseph S. Myers  <joseph@codesourcery.com>
13389
13390         PR c/20672
13391         * c-parser.c (c_parser_compound_statement_nostart): Give error
13392         message for EOF instead of just setting parser->error.
13393
13394 2005-03-29  Dorit Naishlos  <dorit@il.ibm.com>
13395
13396         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed.
13397         (slpeel_update_phi_nodes_for_guard1): New function.
13398         (slpeel_update_phi_nodes_for_guard2): New function.
13399         (slpeel_tree_peel_loop_to_edge): Call above new functions instead
13400         of slpeel_update_phi_nodes_for_guard.
13401         (vectorize_loops): Remove call to loop_closed_rewrite.
13402         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove
13403         assertion.
13404
13405 2005-03-29  Richard Sandiford  <rsandifo@redhat.com>
13406
13407         * config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete.
13408         (TARGET_LITTLE_ENDIAN): New macro.
13409         * config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags)
13410         (TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG)
13411         (TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS)
13412         (TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE)
13413         (TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK)
13414         (TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT)
13415         (TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT)
13416         (TARGET_SWITCHES, m32r_model_string, m32r_sdata_string)
13417         (m32r_cache_flush_trap_string, SUBTARGET_OPTIONS)
13418         (TARGET_OPTIONS): Delete.
13419         (M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums.
13420         (CACHE_FLUSH_TRAP): Turn into an integer.
13421         (TARGET_LITTLE_ENDIAN): Define to 0 by default.
13422         (INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if
13423         -mflush-trap is in use.
13424         * config/m32r/m32r.c (m32r_model_string, m32r_sdata_string)
13425         (m32r_cache_flush_trap_string): Delete.
13426         (m32r_model) Initialize to M32R_MODEL_DEFAULT.
13427         (m32r_sdata): Likewise M32R_SDATA_DEFAULT.
13428         (m32r_cache_trap): Likewise CACHE_FLUSH_TRAP.
13429         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
13430         (m32r_handle_option): New function.  Move -mflush-trap=, -mflush-func=,
13431         -mmodel= and -msdata= handling from...
13432         (m32r_init): ...here.
13433         * config/m32r/m32r.opt: New file.
13434
13435 2005-03-29  Keith Besaw  <kbesaw@us.ibm.com>
13436
13437         * tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
13438         (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
13439         * tree-vect-analyze.c (vect_object_analysis): additional parm
13440         pass back a "struct ptr_info_def *" with the points-to info.
13441         (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
13442         statement using info returned from vect_object_analysis.
13443         * tree-vect-transform.c (update_vuses_to_preheader): New function.
13444         (vect_create_data_ref_ptr): Remove updates to vars_to_rename
13445         for virtual uses and defs when creating a replacement vector
13446         reference.  Call duplicate_ssa_name_ptr_info to define points-to
13447         info for vector pointer replacement using STMT_VINFO_PTR_INFO.
13448         (vectorizable_store): copy_virtual_operands and update
13449         definition statements.
13450         (vectorizable_load): copy_virtual_operands.  Remove call to
13451         mark_call_clobbered_vars_to_rename for call to "const" builtin.
13452         * tree-vectorizer.c (vectorize_loops): Remove calls to
13453         rewrite_into_ssa and bitmap_clear (vars_to_rename).
13454         (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
13455         * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
13456         define macro STMT_VINFO_PTR_INFO for use in accessing.
13457         * tree.h add export of duplicate_ssa_name_ptr_info.
13458         * rs6000.c (altivec_init_builtins): Declare builtin function
13459         __builtin_altivec_mask_for_load to be "const".
13460
13461 2005-03-29  Jakub Jelinek  <jakub@redhat.com>
13462
13463         PR middle-end/20622
13464         * cgraph.h (struct cgraph_varpool_node): Add alias field.
13465         * cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call
13466         assemble_variable on aliases.
13467         * varasm.c (assemble_alias): Set node->alias.
13468         * toplev.c (wrapup_global_declarations): Don't call
13469         rest_of_decl_compilation on aliases again.
13470
13471 2005-03-29  Paul Brook  <paul@codesourcery.com>
13472
13473         * config/arm/arm-protos.h (arm_dbx_register_number): Add prototype.
13474         * config/arm/arm.c (arm_dbx_register_number): New function.
13475         * config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define.
13476
13477 2005-03-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
13478
13479         PR middle-end/20263
13480         * varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use
13481         the DECL_NAME, not the DECL_ASSEMBLER_NAME.
13482
13483 2005-03-29  Dale Johannesen <dalej@apple.com>
13484
13485         * Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H)
13486         $(TREE_H) and $(COVERAGE_H).
13487         * coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME.
13488         * opts.c (common_handle_option): Enable tree-based value transforms.
13489         * toplev.c (process_options): Ditto.
13490         * value-prof.h (struct histogram_value_t): Redefine. "Adjust" below
13491         refers to references to this type.
13492         * tree-flow.h: (struct stmt_ann_d): Add histograms field.
13493         * rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks
13494         for may_be_more, may_be_less.
13495         (rtl_gen_pow2_profiler): Adjust.
13496         (rtl_gen_one_value_profiler_no_edge_manip): Adjust.
13497         (rtl_gen_one_value_profiler): Adjust.
13498         (rtl_gen_const_delta_profiler): Adjust.
13499         * tree-profile.c (tree_gen_interval_profiler): Implement.
13500         (tree_gen_pow2_profiler): Ditto.
13501         (tree_gen_one_value_profiler): Ditto.
13502         (tree_profiling): New.
13503         (pass_tree_profile): Reference it.
13504         * value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h,
13505         tree.h, gcov-io.h.
13506         (insn_divmod_values_to_profile): Rename to
13507         rtl_divmod_values_to_profile. Adjust.
13508         (insn_values_to_profile): Rename to rtl_values_to_profile. Adjust.
13509         (insn_prefetch_values_to_profile): Adjust.
13510         (rtl_value_profile_transformations): Adjust.
13511         (gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value.
13512         (gen_mod_pow2): Rename to rtl_mod_pow2.
13513         (gen_mod_subtract): Rename to rtl_mod_subtract.
13514         (divmod_fixed_value_transform): Rename to
13515         rtl_divmod_fixed_value_transform.
13516         (mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform.
13517         (mod_subtract_transform): Rename to rtl_mod_subtract_transform.
13518         (rtl_find_values_to_profile): Adjust.
13519         (tree_value_profile_transformations): Implement.
13520         (tree_divmod_values_to_profile): New.
13521         (tree_values_to_profile): New.
13522         (tree_divmod_fixed_value): New.
13523         (tree_mod_pow2): New.
13524         (tree_mod_subtract): New.
13525         (tree_divmod_fixed_value_transform): New.
13526         (tree_mod_pow2_value_transform): New.
13527         (tree_mod_subtract_transform): New.
13528         (tree_find_values_to_profile): Implement.
13529         * profile.c (instrument_values):  Free histograms.
13530         (compute_value_histograms): Adjust. Implement tree version.
13531
13532 2005-03-29  Uros Bizjak  <uros@kss-loka.si>
13533
13534         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST> case.
13535         * config/i386/i386.c (output_fix_trunc): Add new round_mode
13536         variable.  Output "fldcw" depending on round_mode.
13537         * config/i386/i386.md (UNSPEC_FIST): New.
13538         (fistdi2, fistdi2_with_temp, fist<mode>2, fist<mode>2_with_temp):
13539         New isns patterns to implement lrint and llrint built-ins as x87
13540         intrinsic function.
13541         (fistdi2, fist<mode>2 splitters): New splitters.
13542         (lrint<mode>2): New expanders.
13543
13544 2005-03-28  Ian Lance Taylor  <ian@airs.com>
13545
13546         * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
13547         0 when calling final_scan_insn.
13548
13549 2005-03-28  Jan Hubicka  <jh@suse.cz>
13550
13551         PR middle-end/20635
13552         * varasm.c (mark_decl_referenced): Do not mark extern inline functions
13553         as needed.
13554
13555         * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
13556         types where possible.
13557
13558 2005-03-26  Per Bothner  <per@bothner.com>
13559
13560         Make -f[no-]show-column also control non-cpp diagnostics.
13561         * c.opt (fshow-column): Move option from here ...
13562         * common.opt (fshow-column): ... to here.
13563         * diagnostic.c (diagnostic_build_prefix): Only print column number
13564         if flag_show_column.
13565
13566 2005-03-27  Steven Bosscher  <stevenb@suse.de>
13567
13568         * vax-protos.h (vax_output_int_move, vax_output_int_add,
13569         vax_output_conditional_branch): New prototypes.
13570         * vax.c (vax_output_int_move, vax_output_int_add): New functions,
13571         extracted from vax.md mov and add patterns.
13572         (vax_output_conditional_branch): New function to output conditional
13573         branch instructions.
13574         * vax.md: Use mode macros for arithmetic and mov patterns.
13575         Use code macros for the jump patterns.
13576
13577 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
13578
13579         * Makefile.in (libbackend.o): Depend on version files;
13580         add custom generation command.
13581
13582 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
13583
13584         PR target/20636
13585         * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
13586         sure that we have a REG before getting its REGNO.
13587
13588 2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
13589
13590         * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
13591         * builtins.def (BUILT_IN_STRNDUP): New.
13592
13593 2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>
13594
13595         PR tree-optimization/20470
13596         * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
13597         ABS(x-y).
13598
13599 2005-03-25  Mike Stump  <mrs@apple.com>
13600
13601         * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
13602         sized objects.
13603
13604 2005-03-25  Geoffrey Keating  <geoffk@apple.com>
13605
13606         * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
13607         Use our own structure definitions.
13608
13609         * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
13610         (fix_truncdfsi2): Allow registers or memory as destination.
13611         When TARGET_PPC_GFXOPT, generate simplified pattern.
13612         (fix_truncdfsi2_internal): Use define_insn_and_split.
13613         (fix_truncdfsi2_internal_gfxopt): New.
13614         (fctiwz): Don't confuse register allocation by giving it no choices.
13615         (stfiwx): New.
13616         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
13617         (EXTRA_MEMORY_CONSTRAINT): Likewise.
13618         * config/rs6000/rs6000.c (indexed_or_indirect_operand): New.
13619         * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
13620
13621 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
13622
13623         * dominance.c (free_dominance_info): Speed up by freeing et
13624         data structures without maintaining other nodes.
13625         * et-forest.c (et_free_tree_force): New.
13626         * et-forest.h: Add a prototype for et_free_tree_force.
13627
13628         * tree.c (get_set_constructor_bits,
13629         get_set_constructor_bytes): Remove.
13630         * tree.h: Remove the corresponding prototypes.
13631
13632 2005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
13633
13634         PR target/15491
13635         * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
13636         (vax_rtx_costs): Return false when passed unsupported rtx's.  Handle
13637         FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE.  Fix costs for POST_INC,
13638         PRE_DEC, NEG and NOT.
13639
13640 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
13641
13642         * fold-const.c: Convert uses of fold (build (...)) to
13643         fold_buildN.
13644
13645 2005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>
13646
13647         PR rtl-optimization/20249
13648         * cse.c (insert_regs): Do not record equivalence of registers in
13649         different modes.
13650
13651 2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>
13652
13653         * emit-rtl.c (reverse_comparison): Remove.
13654         * rtl.h: Remove the corresponding prototype.
13655
13656 2005-03-24  James E Wilson  <wilson@specifixinc.com>
13657
13658         * doc/install.texi (--enable-altivec): Delete docs.
13659
13660 2005-03-24  David Edelsohn  <edelsohn@gnu.org>
13661
13662         * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
13663         SFmode and DFmode before reload when
13664         flag_unsafe_math_optimizations not enabled.
13665
13666 2005-03-24  Geoffrey Keating  <geoffk@apple.com>
13667
13668         * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
13669
13670         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
13671         MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
13672
13673 2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>
13674
13675         * configure.ac (enable-checking): Add 'runtime' option.
13676         * doc/install.texi (enable-checking): Document 'runtime' checking.
13677         * tsystem.h (gcc_assert, gcc_unreachable): Define.
13678         * config.in: Regenerated.
13679         * configure: Regenerated.
13680
13681 2005-03-23  Uros Bizjak  <uros@kss-loka.si>
13682
13683         * optabs.h (enum optab_index): Remove OTI_llrint.
13684         (llrint_optab): Remove macro.
13685         * optabs.c (init_optabs): Remove llrint_optab initialization.
13686         * genopinit.c (optabs): Remove llrint_optab implementation.
13687         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
13688         using lrint_optab.
13689
13690 2005-03-24  Alexandre Oliva  <aoliva@redhat.com>
13691
13692         PR rtl-optimization/20532
13693         * simplify-rtx.c (simplify_binary_operation_1): Protect from
13694         overflow when adding coefficients for PLUS or MINUS.
13695         (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
13696         two as multiplier.
13697
13698 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
13699
13700         * langhooks.h (truthvalue_conversion): Remove.
13701         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
13702         LANG_HOOKS_TRUTHVALUE_CONVERSION.
13703         * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
13704         * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
13705         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
13706
13707 2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>
13708
13709         * params.def: Fix a typo.
13710         * config/mips/mips.c: Follow the spelling convensions.
13711         * doc/invoke.texi: Fix typos.
13712
13713 2005-03-23  Daniel Berlin  <dberlin@dberlin.org>
13714
13715         Fix PR tree-optimization/20601
13716
13717         * tree-ssa-pre.c (insert_aux): Add missing condition to
13718         constification.
13719
13720 2005-03-23  Ian Lance Taylor  <ian@airs.com>
13721
13722         * final.c (final_scan_insn): Don't remove no-op instructions.
13723         * reload1.c (reload): Remove simple no-op instructions even when
13724         not optimizing.
13725
13726 2005-03-23  Dorit Naishlos  <dorit@il.ib.com>
13727
13728         PR tree-optimization/20501
13729         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
13730         reporting that peeling for alignment is applied moved to...
13731         * (vect_analyze_data_refs_alignment): Here.
13732
13733 2005-03-23  Ian Lance Taylor  <ian@airs.com>
13734
13735         * reorg.c (dbr_schedule): Remove #if 0 code to call final.
13736
13737 2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
13738
13739         * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
13740         Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
13741
13742 2005-03-23  Hans-Peter Nilsson  <hp@axis.com>
13743
13744         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
13745         imply that this is called once, independent of asms in code.
13746         Adjust to now being pased output and input lists.  Mention helper
13747         function decl_overlaps_hard_reg_set_p.
13748         * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
13749         hook_tree_tree_identity and to take three trees, returning third.
13750         * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
13751         prototype.
13752         * stmt.c: include hard-reg-set.h before tree.h.
13753         (decl_overlaps_hard_reg_set_p): New function, broken out from...
13754         (decl_conflicts_with_clobbers_p): Call
13755         decl_overlaps_hard_reg_set_p.
13756         (expand_asm_operands): Pass output and input lists in call to
13757         targetm.md_asm_clobbers.
13758         * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
13759         hook_tree_tree_tree_tree_3rd_identity.
13760         * target.h (struct gcc_target.md_asm_clobbers): Take three tree
13761         parameters.
13762         * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
13763         * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
13764         parameters, first two unused.
13765         * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
13766         parameters.  Only add MOF to clobbers if there's no 'h' mentioned
13767         in constraint letters and MOF is not mentioned as a asm-declared
13768         register in neither of the input and output lists.
13769
13770 2005-03-23  DJ Delorie  <dj@redhat.com>
13771
13772         * optabs.c (expand_binop): Make sure the first subword's result
13773         gets stored.
13774
13775 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
13776
13777         * c-common.c (c_common_truthvalue_conversion): Adjust comment.
13778         Call c_common_truthvalue_conversion rather than
13779         lang_hooks.truthvalue_conversion.
13780         * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
13781         * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
13782         c-typeck.c.
13783         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
13784         c_common_truthvalue_conversion.
13785         * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
13786         c_parser_conditional_expression, c_parser_binary_expression): Call
13787         c_objc_common_truthvalue_conversion.
13788         * c-typeck.c (build_unary_op): Call
13789         c_objc_common_truthvalue_conversion.
13790         (build_conditional_expr): Do not call
13791         lang_hooks.truthvalue_conversion.
13792         (build_binary_op): Call c_common_truthvalue_conversion.
13793         (c_objc_common_truthvalue_conversion): Moved from
13794         c-objc-common.c.  Call default_function_array_conversion instead
13795         of default_conversion.
13796
13797 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
13798
13799         * c-common.h (default_conversion): Remove.
13800         (perform_integral_promotions): Add.
13801         * c-tree.h (default_conversion): Add.
13802         * c-typeck.c (perform_integral_promotions): New, split out from
13803         default_conversion.
13804         * c-common.c (check_case_value): Use perform_integral_promotions,
13805         not default_conversion.
13806         (c_add_case_label): Don't continue processing case label after
13807         found to be pointer.
13808
13809 2005-03-23  Mark Mitchell  <mark@codesourcery.com>
13810
13811         * gcc.c (do_spec_1): Do not add a -L path for a directory in
13812         the prefix list if we have already added a multilib directory
13813         based on that path.
13814         (main): Do not add MD_EXEC_PREFIX to the list of directories to
13815         search with -L.
13816
13817 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
13818
13819         * reload1.c (indirect_symref_ok, reload_obstack): Make them
13820         static.
13821         * reload.h: Remove the prototype for indirect_symref_ok.
13822
13823         * reload1.c (indirect_symref_ok): Make it global.
13824         * reload.h: Add a prototype for indirect_symref_ok.
13825
13826 2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
13827
13828         * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
13829         ashlhi3 expander.
13830
13831 2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
13832
13833         * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
13834
13835 2005-03-22  Daniel Berlin  <dberlin@dberlin.org>
13836
13837         * c-opts.c (c_common_parse_file): Only start/end main source file
13838         if debug hooks says the writer wants it.
13839         * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
13840         member.
13841         (xcoff_debug_hooks): Ditto.
13842         * debug.c (do_nothing_hooks): Ditto.
13843         * debug.h (gcc_debug_hooks): Ditto.
13844         * dwarf2out.c (dwarf2_debug_hooks): Ditto.
13845         * sdbout.c (sdb_debug_hooks): Ditto.
13846         * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
13847
13848 2005-03-22  Mark Mitchell  <mark@codesourcery.com>
13849
13850         * doc/extend.texi: Deprecate C++ min/max operators.
13851
13852 2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>
13853
13854         * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
13855         artificial original candidates.
13856
13857 2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
13858             Jan Hubicka  <jh@suse.cz>
13859             Steven Bosscher <stevenb@suse.de>
13860
13861         * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
13862         call cost based on argument sizes.
13863         (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
13864         inlining.
13865         * params.def: (max-inline-inssn-single): Set to 450.
13866         (max-inline-insns-auto): Set to 90.
13867         (max-inline-insns-recursive): Set to 450
13868         (max-inline-insns-recursive-auto): Set to 450.
13869         (large-function-insns): Set to 2700.
13870         (inline-call-cost): New parameter.
13871         * tree-inline.c (estimate_move_cost): New function.
13872         (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
13873         for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
13874         based on arguments.
13875         * tree-inline.h (estimate_move_cost): Declare.
13876         * invoke.texi: (max-inline-inssn-single): Change default to 450.
13877         (max-inline-insns-auto): Change default to 90.
13878         (max-inline-insns-recursive): Change default to 450
13879         (max-inline-insns-recursive-auto): Change default to 450.
13880         (large-function-insns): Change default to 2700.
13881         (inline-call-cost): Document new parameter.
13882
13883 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
13884
13885         * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
13886         (TARGET_DEFAULT): Delete.
13887         * config/i860/i860.opt: New file.
13888
13889 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
13890
13891         * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
13892         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
13893         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
13894         (frv_sched_lookahead): Delete.
13895         * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
13896         (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
13897         (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
13898         (MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
13899         (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
13900         (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
13901         (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
13902         (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
13903         (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
13904         (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
13905         (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
13906         (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
13907         (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
13908         (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
13909         (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
13910         (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
13911         (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
13912         (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
13913         (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
13914         (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
13915         (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
13916         (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
13917         * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
13918         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
13919         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
13920         (frv_sched_lookahead): Delete.
13921         (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
13922         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
13923         (frv_handle_option): New function.  Move -mcpu= handling from...
13924         (frv_override_options): ...here.  Remove handling of other
13925         TARGET_OPTIONS.
13926         (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
13927         TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
13928         (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
13929         and TARGET_NO_MULTI_CE.
13930         (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
13931         !TARGET_VLIW_BRANCH.
13932         * config/frv/frv.opt: New file.
13933
13934 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
13935
13936         * fold-const.c (fold_ternary): Take decomposed arguments of
13937         CALL_EXPR.
13938         (fold): Update a call to fold_ternary.
13939
13940         * fold-const.c (fold_build1, fold_build2, fold_build3): New.
13941         * tree.h: Add corresponding prototypes.
13942
13943 2005-03-22  Jakub Jelinek  <jakub@redhat.com>
13944
13945         PR target/20561
13946         * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
13947         between jump table and its label.
13948         * final.c (shorten_branches): Handle notes in between ADDR_VEC
13949         resp. ADDR_DIFF_VEC and the label preceeding it.
13950         (final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
13951         is emitted in the right section.
13952
13953 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
13954
13955         * fold-const.c (fold_unary, fold_binary): Update comments
13956         about arguments.
13957
13958 2005-03-22  Hans-Peter Nilsson  <hp@axis.com>
13959
13960         PR rtl-optimization/20527
13961         * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
13962         REG_INC note, test that the register also isn't mentioned in PRED
13963         or SUCC.
13964
13965 2005-03-22  Ben Elliston  <bje@au.ibm.com>
13966
13967         * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
13968         and definition.
13969
13970 2005-03-21  Mike Stump  <mrs@apple.com>
13971
13972         * varasm.c (default_assemble_visibility): Remove extra ().
13973
13974 2005-03-21  Roger Sayle  <roger@eyesopen.com>
13975
13976         PR middle-end/20557
13977         * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
13978         to determine whether a block can be duplicated, rather than test
13979         whether the block contains noncopyable insns ourselves.
13980
13981 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
13982
13983         * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
13984         predicates.
13985
13986 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
13987
13988         * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
13989
13990 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
13991
13992         * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
13993         (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
13994         * config/fr30/fr30.opt: New file.
13995
13996 2005-03-18  Daniel Berlin  <dberlin@dberlin.org>
13997
13998         Fix PR tree-optimization/20542
13999
14000         * tree-flow-inline.h (overlap_subvar): Move to here.
14001         * tree-ssa-operands.c: From here.
14002         * tree-flow.h (overlap_subvar): Declare.
14003         * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
14004         * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
14005         for variables with subvars.
14006
14007 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
14008
14009         PR middle-end/20177
14010         * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
14011         * modulo-sched.c (const_iteration_count): Return on NULL
14012         pre-header.
14013         (print_node_sched_params): Return on NULL dump_file.
14014         (generate_reg_moves): Handle reg-anti dependencies and disregard
14015         closing branch when generating register moves.
14016         (sms_schedule): Mark the SMSed block dirty.
14017         * passes.c (rest_of_handle_sms): Call update_life_info for all
14018         basic-blocks.
14019         * testsuite/gcc.dg/20050321-1.c: New test.
14020
14021 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
14022
14023         * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
14024         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
14025         movqi_internal): Likewise.
14026
14027 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
14028
14029         * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
14030         xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
14031         xtensa_b4const): Delete prototypes.
14032         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
14033         xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
14034         (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
14035         xtensa_extra_constraint): New prototypes.
14036         (add_operand, arith_operand, nonimmed_operand, mem_operand,
14037         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
14038         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
14039         move_operand, const_float_1_operand, fpmem_offset_operand,
14040         branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
14041         * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
14042         (xtensa_b4const_or_zero): ...this.  Change return type to bool and
14043         argument type to HOST_WIDE_INT.
14044         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
14045         xtensa_mask_immediate): Likewise.
14046         (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
14047         Likewise.  Also make these functions static.
14048         (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
14049         (xtensa_const_ok_for_letter_p): New.
14050         (add_operand, arith_operand, nonimmed_operand, mem_operand,
14051         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
14052         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
14053         move_operand, const_float_1_operand, fpmem_offset_operand,
14054         branch_operator, ubranch_operator, boolean_operator): Move to
14055         predicates.md.
14056         (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
14057         (xtensa_mem_offset): Change return type to bool.
14058         (xtensa_extra_constraint): New.
14059         (gen_int_relational): Update type of const_range_p function pointer.
14060         Use xtensa_b4const_or_zero.
14061         * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
14062         xtensa_const_ok_for_letter_p.  Update comments.
14063         (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
14064         (PREDICATE_CODES): Delete.
14065         * config/xtensa/xtensa.md: Include predicates.md.
14066         * config/xtensa/predicates.md: New file.
14067
14068 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
14069
14070         * config/v850/v850-protos.h: Remove the prototypes for
14071         reg_or_int9_operand, reg_or_const_operand,
14072         pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
14073         reg_or_0_operand, reg_or_int5_operand, call_address_operand,
14074         movsi_source_operand, power_of_two_operand,
14075         not_power_of_two_operand, special_symbolref_operand,
14076         pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
14077         register_is_ok_for_epilogue.
14078         * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
14079         reg_or_int9_operand, reg_or_const_operand,
14080         call_address_operand, special_symbolref_operand,
14081         movsi_source_operand, power_of_two_operand,
14082         not_power_of_two_operand, register_is_ok_for_epilogue,
14083         pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
14084         pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
14085         predicates.md.
14086         * config/v850/v850.h (PREDICATE_CODES): Remove.
14087         * config/v850/v850.md: Include predicates.md.
14088         * config/v850/predicates.md: New.
14089
14090 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
14091
14092         * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
14093         (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
14094         (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
14095         (itoolsdir, itoolsdatadir): Move definition above new first use.
14096         (install-itoolsdirs): New rule.
14097         (install-mkheaders): Depend on install-itoolsdirs, not
14098         install-include-dir.
14099
14100 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
14101
14102         * tree-into-ssa.c: Remove obsolete comments.
14103
14104 2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
14105
14106         * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
14107         unrolling if -fpeel-loops is specified, too.
14108         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
14109         Remove superfluous check for flag_unroll_loops.
14110
14111 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
14112
14113         * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
14114         (lrint_optab, llrint_optab): Define corresponding macros.
14115         * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
14116         * genopinit.c (optabs): Implement lrint_optab using lrintsi2
14117         pattern and llrint_optab using llrintdi2 patterns.
14118         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
14119         using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
14120         (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
14121         BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
14122         flag_unsafe_math_optimizations is set.
14123
14124 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
14125
14126         * combine.c (combine_simplify_rtx, simplify_if_then_else,
14127         simplify_logical, if_then_else_cond, known_cond,
14128         simplify_comparison): Adjust calls to reverse_comparison.
14129         Don't use combine_reversed_comparison_code).
14130         (combine_reversed_comparison_code): Remove.
14131         (reversed_comparison): Using reversed_comparison_code, move it...
14132         * jump.c (reversed_comparison): ... here.
14133         * rtl.h (reversed_comparison): Add prototype.
14134
14135 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
14136
14137         * builtins.c (fold_builtin): Take decomposed arguments of
14138         CALL_EXPR.
14139         * fold-const.c (fold_ternary): Update a call to fold_builtin.
14140         * gimplify.c (gimplify_call_expr): Likewise.
14141         * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
14142         * tree.h: Update the prototype of fold_builtin.
14143
14144 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
14145
14146         * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
14147         * rtlhooks.c (gen_lowpart_no_emit_general): New.
14148         * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
14149         (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
14150         * simplify-rtx.c (simplify_binary_operation_1): Use it.
14151
14152 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
14153
14154         * builtins.c (fold_builtin_1): Take decomposed arguments of
14155         CALL_EXPR.
14156         (fold_builtin): Update a call to fold_builtin_1.
14157
14158 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
14159
14160         PR other/20564
14161         * gcov.c (output_lines): Only output function block summary when
14162         outputting branch information.
14163         * doc/gcov.texi: Document format of preamble and additional block
14164         information lines.
14165
14166 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
14167
14168         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
14169         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
14170         the defaults false if BITS_PER_UNIT != 8.
14171         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
14172         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
14173         than BITS_PER_UNIT != 8.
14174         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
14175         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
14176         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
14177         #undefs.
14178         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
14179         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
14180
14181 2005-03-20  Roger Sayle  <roger@eyesopen.com>
14182
14183         PR middle-end/20539
14184         * fold-const.c (fold_binary): Fix type mismatch between
14185         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
14186         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
14187         for non-truth-valued expressions.
14188
14189         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
14190         and FUNCTION_DECL in the main switch.
14191         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
14192         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
14193         we also need to convert their operands to match.
14194         <TRUTH_NOT_EXPR>: Likewise.
14195
14196 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
14197
14198         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
14199         diagnostic without checking whether an lvalue.
14200         * c-common.h (lvalue_p): Remove.
14201         (enum lvalue_use): Update comment.
14202         (lvalue_or_else): Replace by lvalue_error.
14203         * c-typeck.c (lvalue_p): Make static.
14204         (lvalue_or_else): New.  Call lvalue_error.
14205
14206 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
14207
14208         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
14209         (function_arg_advance): Use rs6000_parm_start.
14210         (function_arg, rs6000_arg_partial_bytes): Likewise.
14211
14212 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
14213
14214         * c-common.c (check_case_value): Adjust comment about stripping
14215         NOPs.
14216         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
14217         * c-typeck.c (default_conversion, convert_arguments,
14218         build_modify_expr, convert_for_assignment, store_init_value,
14219         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
14220         manually.  Remove inaccurate comments.
14221
14222 2005-03-20  Roger Sayle  <roger@eyesopen.com>
14223             Joseph S. Myers  <joseph@codesourcery.com>
14224
14225         * varasm.c (do_assemble_alias): Restore comment describing function.
14226         Annotate the target parameter as potentially unused.
14227
14228 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
14229
14230         PR target/18551
14231         * config/avr/avr.c (avr_output_function_prologue): Do not use
14232         current_function_name() in a label, use a local label instead.
14233
14234 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
14235
14236         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
14237         flag_finite_math_only, not flag_unsafe_math_optimizations.
14238
14239 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
14240
14241         * builtins.c (fold_builtin_1): Update a call to
14242         targetm.fold_builtin.
14243         * hooks.c (hook_tree_tree_bool_null): Rename to
14244         hook_tree_tree_tree_bool_null.  Take one more argument of type
14245         tree.
14246         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
14247         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
14248         hook_tree_tree_tree_bool_null.
14249         * target.h (gcc_target): Update the prototype of fold_builtin.
14250         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
14251         arguments of CALL_EXPR.
14252         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
14253         new prototype.
14254
14255 2005-03-20  Jan Hubicka  <jh@suse.cz>
14256
14257         * cgraph.h (cgraph_node): Add prev_clone pointer.
14258         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
14259         (cgraph_clone_node): Produce doubly linked chain.
14260
14261 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
14262
14263         * c-common.c (handle_aligned_attribute, check_function_sentinel,
14264         get_nonnull_operand, handle_sentinel_attribute,
14265         check_function_arguments_recurse): Do not strip NOPS from
14266         INTEGER_CSTs.
14267         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
14268         Likewise.
14269         * c-format.c (get_constant): Likewise.
14270         * c-parser.c (c_parser_postfix_expression): Likewise.
14271         * c-typeck.c (set_init_index): Likewise.
14272         (convert_arguments): Don't check for NOP_EXPR containing integer
14273         constant.
14274
14275 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
14276
14277         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
14278         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
14279         Take decomposed arguments of CALL_EXPR.
14280         (fold_builtin_1): Update calls to the functions mentioned
14281         above.
14282
14283 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
14284
14285         * c-decl.c (check_bitfield_type_and_width): Require bit-field
14286         width to have integer type.
14287         (build_enumerator): Require enumerator value to have integer type.
14288
14289 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
14290
14291         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
14292         to __builtin_inff.
14293
14294 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
14295
14296         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
14297         std=iso9899:199x): Correct descriptions.
14298
14299 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
14300
14301         * config.gcc: Consistently use solaris2.1[0-9]* instead of
14302         solaris2.1[0-9].
14303
14304 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
14305
14306         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
14307         of CALL_EXPR.
14308         (expand_builtin_memcpy, fold_builtin_1): Update calls to
14309         fold_builtin_memcpy.
14310
14311         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
14312         arguments of CALL_EXPR.
14313         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
14314         fold_builtin_found, fold_builtin_1): Update calls to
14315         fold_trunc_transparent_mathfn.
14316
14317 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14318
14319         PR middle-end/20493
14320         * fold-const.c (fold_widened_comparison): Don't optimize casts of
14321         function pointers on targets that require function pointer
14322         canonicalization.
14323         (fold_sign_changed_comparison): Likewise.
14324
14325 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
14326
14327         * combine.c (try_combine): When changing the mode of a hard reg, make
14328         sure that doing so is valid.
14329
14330 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
14331
14332         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
14333         (TARGET_HANDLE_OPTION): Override default.
14334         (avr_handle_option): New function.
14335         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
14336         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
14337         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
14338         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
14339         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
14340         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
14341         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
14342         (TARGET_OPTIONS): Delete.
14343         * config/avr/avr.opt: New file.
14344
14345 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
14346
14347         * config/m32r/m32r-protos.h: Remove the prototypes for
14348         call_address_operand, symbolic_operand, seth_add3_operand,
14349         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
14350         reg_or_uint16_operand, reg_or_cmp_int16_operand,
14351         two_insn_const_operand, move_src_operand,
14352         move_double_src_operand, move_dest_operand,
14353         eqne_comparison_operator, signed_comparison_operator,
14354         large_insn_p, conditional_move_operand, carry_compare_operand,
14355         m32r_block_immediate_operand, extend_operand,
14356         reg_or_eq_int16_operand, int8_operand, and
14357         reg_or_zero_operand.
14358         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
14359         seth_add3_operand, int8_operand, cmp_int16_operand,
14360         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
14361         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
14362         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
14363         move_double_src_operand, move_dest_operand,
14364         eqne_comparison_operator, signed_comparison_operator,
14365         extend_operand, small_insn_p, large_insn_p,
14366         conditional_move_operand, carry_compare_operand,
14367         m32r_block_immediate_operand): Move to predicates.md.
14368         (MAX_MOVE_BYTES): Move to m32r.h.
14369         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
14370         * config/m32r/m32r.md: Include predicates.md.
14371         * config/m32r/predicates.md: New.
14372
14373 2005-03-18  James E Wilson  <wilson@specifixinc.com>
14374
14375         PR c++/19769
14376         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
14377         origin.
14378
14379 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
14380
14381         * config/mn10300/mn10300-protos.h: Remove the prototypes for
14382         call_address_operand, const_8bit_operand.
14383         * config/mn10300/mn10300.c (call_address_operand,
14384         const_8bit_operand, const_1f_operand): Move to predicates.md.
14385         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
14386         * config/mn10300/mn10300.md: Include predicates.md.
14387         * config/mn10300/predicates.md: New.
14388
14389 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
14390
14391         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
14392         declarations in diagnostics and %E for identifiers, not %s.
14393
14394 2005-03-18  Jan Hubicka  <jh@suse.cz>
14395             Dale Johannesen  <dalej@apple.com>
14396
14397         * basic-block.h (scale_bbs_frequencies_int,
14398         scale_bbs_frequencies_gcov_type): Declare.
14399         * cfg.c (RDIV): New macro.
14400         (update_bb_frequency_for_threading): Fix.
14401         * basic-block.h (scale_bbs_frequencies_int,
14402         scale_bbs_frequencies_gcov_type): New.
14403         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
14404         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
14405         scale_bbs_frequencies_int.
14406         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
14407
14408 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
14409
14410         * config/m32r/m32r-protos.h: Remove the prototypes for
14411         call_address_operand, symbolic_operand, seth_add3_operand,
14412         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
14413         reg_or_uint16_operand, reg_or_cmp_int16_operand,
14414         two_insn_const_operand, move_src_operand,
14415         move_double_src_operand, move_dest_operand,
14416         eqne_comparison_operator, signed_comparison_operator,
14417         large_insn_p, conditional_move_operand, carry_compare_operand,
14418         m32r_block_immediate_operand, extend_operand,
14419         reg_or_eq_int16_operand, int8_operand, and
14420         reg_or_zero_operand.
14421         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
14422         seth_add3_operand, int8_operand, cmp_int16_operand,
14423         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
14424         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
14425         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
14426         move_double_src_operand, move_dest_operand,
14427         eqne_comparison_operator, signed_comparison_operator,
14428         extend_operand, small_insn_p, large_insn_p,
14429         conditional_move_operand, carry_compare_operand,
14430         m32r_block_immediate_operand): Move to predicates.md.
14431         (MAX_MOVE_BYTES): Move to m32r.h.
14432         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
14433         * config/m32r/m32r.md: Include predicates.md.
14434         * config/m32r/predicates.md: New.
14435
14436         * config/pa/pa-protos.h: Add prototypes for magic_milli and
14437         shadd_constant_p.
14438         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
14439         symbolic_operand, symbolic_memory_operand,
14440         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
14441         indexed_memory_operand, move_dest_operand, move_src_operand,
14442         prefetch_cc_operand, prefetch_nocc_operand,
14443         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
14444         arith_operand, arith11_operand, pre_cint_operand,
14445         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
14446         ireg_operand, int5_operand, uint5_operand, int11_operand,
14447         uint32_operand, arith5_operand, and_operand, ior_operand,
14448         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
14449         pc_or_label_operand, div_operand, plus_xor_ior_operator,
14450         shadd_operand, movb_comparison_operator,
14451         cmpib_comparison_operator): Move to predicates.md.
14452         (magic_milli, shadd_constant_p): Make it extern.
14453         * config/pa/pa.h (PREDICATE_CODES): Remove.
14454         * config/pa/pa.md: Include predicates.md.
14455         * config/pa/predicates.md: New.
14456
14457         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
14458         predicate.
14459
14460 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
14461
14462         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
14463         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
14464         config/alpha/freebsd.h, config/alpha/linux.h,
14465         config/alpha/netbsd.h, config/alpha/osf5.h,
14466         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
14467         config/h8300/h8300-protos.h, config/h8300/h8300.c,
14468         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
14469         doc/cppopts.texi: Update copyright.
14470
14471 2005-03-18  Jan Hubicka  <jh@suse.cz>
14472
14473         PR middle-end/20225
14474         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
14475         too late.
14476         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
14477         called too late.
14478
14479 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
14480
14481         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
14482         VEC_safe_push.
14483
14484 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
14485
14486         * combine.c (gen_binary): Remove.
14487         (known_cond, simplify_shift_const, find_split_point,
14488         combine_simplify_rtx, simplify_if_then_else, simplify_set,
14489         simplify_logical, expand_field_assignment, extract_left_shift,
14490         force_to_mode, if_then_else_cond, apply_distributive_law,
14491         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
14492         simplify_comparison, reversed_comparison): Replace with
14493         simplify_gen_binary, simplify_gen_relational or
14494         distribute_and_simplify_rtx.
14495         (distribute_and_simplify_rtx): New function.
14496
14497 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
14498             Paolo Bonzini  <gcc.gnu.org>
14499
14500         * calls.c (setjmp_call_p, special_function_p): Update comments
14501         at the head of the functions.
14502
14503 2005-03-18  Jan Hubicka  <jh@suse.cz>
14504
14505         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
14506
14507         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
14508         function body should be released; do not proactively release function
14509         bodies in non-unit-at-a-time mode.
14510
14511 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
14512
14513         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
14514         mno-fp-ret-in-387 multilib variants.
14515
14516 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
14517
14518         * common.opt (m): Remove.
14519         * opts.c (handle_option): Pass 'm' options to set_target_switch if
14520         table lookup fails.
14521         (common_handle_option): Remove OPT_m case.
14522
14523 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
14524
14525         * builtins.c (fold_builtin_bitop): Take decomposed arguments
14526         of CALL_EXPR.
14527         (fold_builtin_1): Update a call to fold_builtin_bitop.
14528
14529         * builtins.c (fold_builtin_signbit): Take decomposed arguments
14530         of CALL_EXPR.
14531         (fold_builtin_1): Update a call to fold_builtin_signbit.
14532
14533 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
14534
14535         PR tree-optimization/20474
14536         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
14537         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
14538
14539 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
14540
14541         * config/h8300/h8300-protos.h: Remove prototypes for
14542         general_operand_src, general_operand_dst, single_one_operand,
14543         single_zero_operand, call_insn_operand,
14544         two_insn_adds_subs_operand, small_call_insn_operand,
14545         jump_address_operand, bit_operand, bit_memory_operand,
14546         stack_pointer_operand, const_int_gt_2_operand,
14547         const_int_ge_8_operand, const_int_qi_operand,
14548         const_int_hi_operand, incdec_operand, bit_operator,
14549         nshift_operator, eqne_operator, gtle_operator,
14550         gtuleu_operator, iorxor_operator.
14551         Add prototypes for h8sx_shift_type h8sx_classify_shift and
14552         h8300_ldm_stm_parallel.
14553         * config/h8300/h8300.c (h8sx_shift_type,): Move to
14554         h8300-protos.h.
14555         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
14556         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
14557         (h8300_ldm_stm_parallel): Make it extern.
14558         (h8300_ldm_parallel, h8300_stm_parallel,
14559         h8300_return_parallel, general_operand_src,
14560         general_operand_dst, h8300_dst_operand, h8300_src_operand,
14561         nibble_operand, reg_or_nibble_operand, single_one_operand,
14562         single_zero_operand, call_insn_operand,
14563         two_insn_adds_subs_operand, small_call_insn_operand,
14564         jump_address_operand, bit_operand, bit_memory_operand,
14565         stack_pointer_operand, const_int_gt_2_operand,
14566         const_int_ge_8_operand, const_int_qi_operand,
14567         const_int_hi_operand, incdec_operand, eqne_operator,
14568         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
14569         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
14570         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
14571         nshift_operator): Move to predicates.md.
14572         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
14573         * config/h8300/h8300.md: Include predicates.md.
14574         * config/h8300/predicates.md: New.
14575
14576 2005-03-17  Richard Henderson  <rth@redhat.com>
14577
14578         * config.gcc (ia64*-*-hpux*): Add extra_options.
14579         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
14580         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
14581         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
14582         (ia64_tls_size_string, ia64_tune_string): Remove.
14583         (ia64_tune): Init to PROCESSOR_ITANIUM2.
14584         (TARGET_DEFAULT_TARGET_FLAGS): New.
14585         (TARGET_HANDLE_OPTION): New.
14586         (ia64_override_options): Move options parsing ...
14587         (ia64_handle_option): ... here.  New.
14588         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
14589         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
14590         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
14591         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
14592         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
14593         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
14594         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
14595         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
14596         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
14597         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
14598         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
14599         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
14600         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
14601         TARGET_EARLY_STOP_BITS): Remove.
14602         (TARGET_ILP32): Default false.
14603         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
14604         (enum ia64_inline_type): New.
14605         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
14606         * config/ia64/ia64.md: Update for new definitions of
14607         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
14608         * config/ia64/ia64.opt: New file.
14609         * config/ia64/ilp32.opt: New file.
14610
14611 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
14612
14613         PR target/18380
14614         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
14615
14616 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
14617
14618         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
14619         instead of MASK_H8300S.
14620         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
14621         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
14622         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
14623         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
14624         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
14625         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
14626         TARGET_SWITCHES): Remove.
14627         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
14628         TARGET_H8300SX.
14629         * config/h8300/h8300.opt: New.
14630
14631         * config/alpha/alpha.opt, config/arc/arc.opt,
14632         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
14633         notices.
14634
14635 2005-03-17  Ian Lance Taylor  <ian@airs.com>
14636
14637         * gmon.c: Remove.
14638
14639 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
14640
14641         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
14642         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
14643         (TARGET_HANDLE_OPTION): Override default.
14644         (arc_handle_option): New function.
14645         (arc_init): Remove code to set arch_cpu_string.
14646         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
14647         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
14648         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
14649         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
14650         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
14651         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
14652         (arc_rodata_string, TARGET_OPTIONS): Delete.
14653         * config/arc/arc.opt: New file.
14654
14655 2005-03-17  Richard Henderson  <rth@redhat.com>
14656
14657         * doc/extend.texi (Weak Pragmas): New section.
14658         (attribute alias): Clarify that target must be in the same
14659         translation unit.
14660
14661 2005-03-17  Richard Henderson  <rth@redhat.com>
14662
14663         * config/alpha/alpha.opt: New file.
14664         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
14665         of alpha_cpu.
14666         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
14667         alpha_fprm_string, alpha_fptm_string): Make static.
14668         (alpha_tls_size_string): Remove.
14669         (alpha_handle_option): New.
14670         (override_options): Update for alpha_cpu/alpha_tune split.
14671         (alpha_file_start): Likewise.
14672         (TARGET_DEFAULT_TARGET_FLAGS): New.
14673         (TARGET_HANDLE_OPTION): New.
14674         * config/alpha/alpha.h (alpha_tune): Declare.
14675         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
14676         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
14677         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
14678         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
14679         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
14680         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
14681         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
14682         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
14683         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
14684         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
14685         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
14686         (TARGET_DEFAULT): Remove MASK_FP.
14687         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
14688         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
14689         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
14690         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
14691         alpha_tls_size_string): Remove.
14692         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
14693         (attribute tune): Rename from attribute cpu.
14694         * config/alpha/ev4.md: Update to match.
14695         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
14696         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
14697         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
14698         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
14699         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
14700         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
14701
14702 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
14703
14704         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
14705         and return without creating new state if before_nops_num is nonzero.
14706         * config/ia64/ia64.md (first_insn): New attribute.
14707         (alloc): Set it to yes.
14708
14709 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
14710
14711         * tree-vectorizer.c (new_vec_stmt_info): Initialize
14712         STMT_VINFO_SUBVARS to NULL.
14713         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
14714
14715 2005-03-16 Dale Johannesen  <dalej@apple.com>
14716
14717         * rtlanal.c (find_first_parameter_load):  Rewrite to
14718         return actual first param load or the call if none,
14719         instead of first in block, when not all loads exist.
14720
14721 2005-03-16  Roger Sayle  <roger@eyesopen.com>
14722
14723         * optabs.c (expand_copysign_absneg): Make static.
14724         * optabs.h (expand_copysign_absneg): Delete prototype.
14725         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
14726
14727 2005-03-16  Richard Henderson  <rth@redhat.com>
14728
14729         PR middle-end/15700
14730         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
14731         (alias_pairs): Rename from output_defs.
14732         (find_decl_and_mark_needed): Split out from assemble_alias.
14733         (do_assemble_alias): New.
14734         (assemble_output_def): Remove.
14735         (finish_aliases_1, finish_aliases_2): New.
14736         (process_pending_assemble_output_defs): Remove.
14737         (assemble_alias): Defer aliases for which we don't yet have a
14738         non-external decl for the target symbol.
14739         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
14740         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
14741         * toplev.c (compile_file): Use finish_aliases_2 instead of
14742         process_pending_assemble_output_defs.
14743         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
14744         (process_pending_assemble_output_defs): Remove.
14745
14746 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
14747
14748         Fix PR tree-optimization/20489
14749
14750         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
14751         for empty structures.
14752
14753 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
14754
14755         Fix PR tree-optimization/20490
14756
14757         * tree-ssa-pre.c (create_expression_by_pieces): Use
14758         force_gimple_operand on result of fold.
14759
14760 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
14761
14762         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
14763         of closing parenthesis.
14764
14765 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
14766
14767         * builtins.c (expand_movstr): Update a call to
14768         fold_builtin_strcpy.
14769         (expand_builtin_strncpy): Update a call to
14770         fold_builtin_strncpy.
14771         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
14772         arguments of CALL_EXPR.
14773         (fold_builtin_1): Update calls to fold_builtin_strcpy and
14774         fold_builtin_strncpy.
14775         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
14776         * tree.h: Update the prototypes of fold_builtin_strcpy and
14777         fold_builtin_strncpy.
14778
14779 2005-03-16  Steven Bosscher  <stevenb@suse.de>
14780             Dorit Naishlos  <dorit@il.ibm.com>
14781
14782         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
14783         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
14784         error.
14785
14786 2005-03-16  Steven Bosscher  <stevenb@suse.de>
14787
14788         * tree-inline.c (walk_type_fields, walk_tree,
14789         walk_tree_without_duplicates): Move from here...
14790         * tree.c: ...to here.
14791
14792 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
14793
14794         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
14795         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
14796         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
14797         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
14798         (version): Define using $(BASEVER_c).
14799         (Makefile, config.status, build/gcov-iov.o): No longer depends on
14800         version.c.
14801         (version.o): Depend on version files; add custom generation command.
14802         (prefix.o): Define BASEVER on command line.
14803         (s-iov): Depend on version files; adjust command.
14804         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
14805         Add gcc-vers.texi.
14806         (gcc-vers.texi): New rule.
14807         (doc/%.info, doc/%.dvi): Add -I . to command line.
14808         (doc/gccinstall.dvi): Likewise.
14809         (PACKAGE): Delete.  All uses replaced with "gcc".
14810         * aclocal.m4: Do not include gcc-version.m4.
14811         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
14812         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
14813         Set is_release based on contents of DEV-PHASE.
14814         Set gcc_version based on contents of BASE-VER.
14815         Define WIN32_REGISTRY_KEY only if the user overrode the default.
14816         * config.in, configure: Regenerate.
14817         * gccbug.in: Determine version of GCC in use at runtime.
14818         * gcov-iov.c: Get version number and development phase from
14819         command line, not by including version.c.
14820         * intl.c: Replace all uses of PACKAGE with "gcc".
14821         * libada-mk.in: Delete unused "gcc_version" variable.
14822         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
14823         * version.c: (VERSUFFIX): New hook for redistributors; adjust
14824         commentary to match.
14825         (version_string): Put together from pieces.
14826         * config/alpha/x-vms: Do not use $(gcc_version).
14827         * config/i386/t-nwld: Likewise.
14828         * doc/include/gcc-common.texi: Include gcc-vers.texi for
14829         version-GCC and DEVELOPMENT.
14830
14831 2005-03-15  Roger Sayle  <roger@eyesopen.com>
14832
14833         PR tree-optimization/17454
14834         * tree.c (tree_size): Add case for TREE_BINFO.
14835         * fold-const.c (fold_checksum_tree): Only clear the overloaded
14836         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
14837
14838 2005-03-15  Roger Sayle  <roger@eyesopen.com>
14839
14840         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
14841         op1 whilst expanding the signed widenening multiply variant.
14842
14843 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
14844
14845         * toplev.c (display_target_options): Avoid unused variable warning if
14846         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
14847         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
14848         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
14849         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
14850         (mips_isa_info): New variable.
14851         (mips_parse_cpu): Remove the first argument and leave the caller
14852         to report errors.
14853         (TARGET_HANDLE_OPTION): Override default.
14854         (mips_handle_option): New function.  Move option validation code from...
14855         (override_options): ...here.  Update calls to mips_parse_cpu.
14856         * config/mips/mips.h (mips_arch_string, mips_tune_string)
14857         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
14858         (SUBTARGET_TARGET_OPTIONS): Delete.
14859         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
14860         (mno-flush-func, mtune=): New options.
14861
14862 2005-03-15  Roger Sayle  <roger@eyesopen.com>
14863             Richard Henderson  <rth@redhat.com>
14864
14865         * real.c (c4x_single_format, c4x_extended_format): Provide values
14866         for signbit_ro for c4x's single and extended floating point formats.
14867         * optabs.c (expand_copysign): Use the floating point format's
14868         signbit_ro for expanding via expand_copysign_absneg, and it's
14869         signbit_rw field for expanding via expand_copysign_bit.
14870
14871 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
14872
14873         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
14874         known_alignment_for_access_p.
14875         (known_alignment_for_access_p): New.
14876         (do_peeling_for_alignment): Field made int instead of bool and renamed
14877         to peeling_for_alignment.
14878         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
14879         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
14880         functionality used to be in vect_analyze_operations.
14881         (vect_analyze_operations): Code to determine vectorization factor was
14882         moved to vect_determine_vectorization_factor.
14883         (vect_enhance_data_refs_alignment): Update to correct alignment when it
14884         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
14885         factor.
14886         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
14887         be part of vect_analyze_operations).
14888         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
14889         creating the guard condition, as the number of iterations may be
14890         constant.
14891         (slpeel_tree_peel_loop_to_edge): Use new name of
14892         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
14893         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
14894         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
14895         (vect_do_peeling_for_alignment): Use fold.
14896         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
14897
14898         (vect_update_inits_of_dr): Renamed to
14899         vect_update_init_of_dr.
14900         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
14901         (vectorizable_store): Fix assertion to use == instead of =.
14902
14903 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
14904
14905         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
14906         call_used_regs for wCG registers.
14907
14908 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
14909
14910         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
14911         for non-offsettable memory references to cope with outstanding reload
14912         replacements, take 2.
14913
14914 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
14915
14916         PR target/18668
14917         * config/i386/i386.h (x86_fisttp): New.
14918         (TARGET_FISTTP): New macro.
14919         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
14920         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
14921         instruction when fisttp flag is set.
14922         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
14923
14924         * config/i386/i386.md (type attribute): Add fisttp.
14925         (unit attribute): Set to i387 for fisttp type.
14926         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
14927         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
14928         TARGET_FISTTP.
14929         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
14930         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
14931         macros.
14932         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
14933         patterns for TARGET_FISTTP.  Enable patterns for
14934         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
14935         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
14936         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
14937         implement fisttp x87 insn.
14938         (fix_trunc*_i387_fisttp splitters): New patterns.
14939         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
14940         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
14941         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
14942         clobber.
14943         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
14944         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
14945         Implement using mode macros. Disable patterns for TARGET_FISTTP.
14946         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
14947         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
14948         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
14949         Disable patterns for TARGET_FISTTP.
14950         (fix_trunc*_i387 splitters): Implement usign mode macros.
14951         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
14952         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
14953         (fix_trunx*_sse peephole2s): Implement using mode macros.
14954
14955 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
14956
14957         PR rtl-optimization/20291
14958         * combine.c (try_combine): If splitting fails, re-try with
14959         original combined pattern, i.e. before clobber stripping.
14960
14961 2005-03-14  Eric Christopher  <echristo@redhat.com>
14962
14963         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
14964         STACK_GROWS_DOWNWARD.
14965
14966 2005-03-14  Roger Sayle  <roger@eyesopen.com>
14967
14968         * real.h (struct real_format): Split the signbit field into two
14969         two fields, signbit_ro and signbit_rw.
14970         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
14971         mips_double_format, ieee_extended_motorola_format,
14972         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
14973         ieee_extended_intel_128_format, ibm_extended_format,
14974         mips_extended_format, ieee_quad_format, mips_quad_format,
14975         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
14976         i370_double_format, c4x_single_format, c4x_extended_format,
14977         real_internal_format): Update initializers for new field.
14978         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
14979         real_format structure.
14980         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
14981         field of the real_format structure.
14982
14983 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
14984
14985         Fix PR tree-optimization/20458
14986
14987         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
14988         DECL_EXTERNAL on STRUCT_FIELD tags.
14989         (clear_call_clobbered): Ditto.
14990         * tree-ssa-operands.c (note_addressable): Make sure the original
14991         variable doesn't slip into the addressable list if we have
14992         subvars.
14993         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
14994         tags too.
14995
14996 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
14997
14998         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
14999         (-fwide-exec-charset): Likewise.
15000         (-finput-charset): Likewise.
15001         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
15002         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
15003         * c.opt (Wnormalized): New.
15004
15005 2005-03-14  Devang Patel  <dpatel@apple.com>
15006
15007         * doc/invoke.texi: Add reference to Visibility document.
15008
15009 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
15010
15011         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
15012         MASK_SPLIT_ADDRESSES.
15013         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
15014         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
15015         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
15016         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
15017         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
15018         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
15019         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
15020         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
15021         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
15022         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
15023         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
15024         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
15025         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
15026         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
15027         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
15028         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
15029         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
15030         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
15031         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
15032         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
15033         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
15034         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
15035         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
15036         (TARGET_EXPLICIT_RELOCS): Delete.
15037         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
15038         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
15039         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
15040         (override_options): Set MASK_LONG64 if -mint64 is given and no
15041         -mlongXX option is.  Complain about -mint64 -mlong32.
15042         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
15043         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
15044         * config/mips/mips.opt: New file.
15045
15046 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
15047
15048         * config.gcc (extra_options): New variable for listing option files.
15049         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
15050         * configure.ac (extra_opt_files): New AC_SUBST variable.
15051         (tm_file_list, tm_include_list): Include options.h first.
15052         * configure: Regenerate.
15053         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
15054         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
15055         (s-options-h): New rule.
15056         (options.h): Depend on it.
15057         (TEXI_GCCINT_FILES): Add options.texi.
15058         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
15059         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
15060         * target.h (gcc_target): Add default_target_flags and handle_option.
15061         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
15062         (TARGET_HANDLE_OPTION): New macros.
15063         (TARGET_INITIALIZER): Include them.
15064         * opt-functions.awk (opt_args, nth_arg): New functions.
15065         (switch_flags): Handle the "Target" flag.
15066         (var_args): Delete.
15067         (var_name): Use opt_args and nth_arg.
15068         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
15069         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
15070         macros for the "Mask" and "InverseMask" options.
15071         * opts.h (cl_var_cond): New enum.
15072         (cl_option): Replace the "has_set_value" and "set_value" fields with
15073         "var_cond" and "var_value".
15074         (CL_TARGET): New macro.
15075         (option_enabled, print_filtered_help): Declare.
15076         (decode_options): Move definition.
15077         * opts.c (handle_option): Search for the original option before
15078         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
15079         var_cond and var_value fields.  Use targetm.handle_option to handle
15080         target options.
15081         (decode_options): Set target_flags to targetm.default_target_flags.
15082         (print_filtered_help): Make global.  Handle CL_TARGET.
15083         (option_enabled): New function.
15084         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
15085         (display_target_options, set_target_switch, print_switch_values)
15086         (default_pch_valid_p): Guard uses of target_switches with
15087         #ifdef TARGET_SWITCHES.  Also...
15088         (display_target_options): Display the CL_TARGET entries in cl_options.
15089         (set_target_option): Don't complain about the "" option when
15090         TARGET_SWITCHES is undefined.
15091         (print_switch_values): Use option_enabled.
15092         (default_pch_valid_p): Check cl_options[] when looking for something
15093         that has changed the value of target_flags.
15094         * c.opt: Remove documentation from top of file.
15095         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
15096         * doc/sourecebuild.texi: Refer to the new options documentation
15097         instead of c.opt.  Document machine-specific .opt files.
15098         * doc/tm.texi (target_flags): Say that this variable is declared
15099         by options.h.
15100         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
15101         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
15102         an alternative.
15103         * doc/options.texi: New file.
15104
15105 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
15106
15107         PR middle-end/18628
15108         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
15109         register.
15110
15111 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
15112
15113         PR c++/20280
15114         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
15115         temporary variable of pointer type if an lvalues is required.
15116         (gimplify_modify_expr_rhs): Request an rvalue from it.
15117         (gimplify_expr): Pass fallback on.
15118
15119 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
15120
15121         * cfgbuild.c: Update comments.
15122
15123 2005-03-14  Roger Sayle  <roger@eyesopen.com>
15124
15125         PR rtl-optimization/17236
15126         * optabs.c (expand_doubleword_mult): New helper function split out
15127         from expand_binop.  Permute the order in which instructions are
15128         emitted to minimize the number of simultaneously live registers.
15129         (expand_binop): Call expand_doubleword_mult to synthesize a double
15130         word multiplication.
15131
15132 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
15133
15134         * basic-block.h: Update the prototypes of cached_make_edge and
15135         rtl_make_eh_edge.
15136         * cfg.c (cached_make_edge): Take edge_cache representing one
15137         row of the adjacency matrix of edges.
15138         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
15139         (make_edges): Initialize edge_cache to represent one row of
15140         the adjacency matrix of edges.
15141
15142 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
15143
15144         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
15145         New functions.
15146         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
15147         Remove unused removed_phis variable.
15148         (conditional_replacement): Use build1/build2.
15149         (abs_replacement): Use last_and_only_stmt and build1/build2.
15150
15151 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
15152
15153         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
15154         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
15155         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
15156         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
15157         * c-common.c (handle_novops_attribute): New function.
15158         (c_common_attribute_table): Add "no vops" entry.
15159         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
15160         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
15161         * tree-ssa-operands.c (get_call_expr_operands): Do not
15162         create virtual operands for calls with ECF_NOVOPS flag.
15163         * tree.h (DECL_IS_NOVOPS): New macro.
15164         (struct tree_decl): Add novops_flag.
15165         (ECF_NOVOPS): New constant.
15166
15167 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
15168
15169         PR target/17688
15170         * config/i386/i386.c (x86_use_himode_fiop): New.
15171         (x86_use_simode_fiop): Rename from x86_use_fiop.
15172         * config/i386/i386.h (x86_use_himode_fiop): Declare.
15173         (TARGET_USE_HIMODE_FIOP): New.
15174         (x86_use_simode_fiop): Rename from x86_use_fiop.
15175         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
15176
15177         * config/i386/i386.md (X87MODEI12): New mode macro define.
15178         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
15179         to implement x87 FP compare with HImode input operands.
15180         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
15181         Use X87MODEI12 mode macro to handle HImode input operands.
15182         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
15183         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
15184         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
15185         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
15186         macro to implement x87 operators with HImode input operands.
15187         (fop splitters): Use X87MODEI12 mode macro to handle HImode
15188         input operands.
15189
15190 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
15191
15192         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
15193         integer_zerop.
15194         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
15195         constants invariant.
15196
15197 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
15198
15199         * basic-block.h (BB_VISITED): Removed.
15200         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
15201
15202 2005-03-14  Falk Hueffner  <falk@debian.org>
15203
15204         PR bootstrap/20424
15205         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
15206
15207 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
15208
15209         * ggc-zone.c: Fix comment typos.
15210
15211         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
15212         stringpool.c, config/mips/mips-protos.h: Update copyright.
15213
15214 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
15215
15216         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
15217         throughout with its typedef, "rtx".
15218         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
15219         (rs6000_tls_symbol_ref_1): Remove inline keyword.
15220         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
15221         regs in comment to match code.
15222
15223 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
15224
15225         * except.c (check_handled): Make it static.
15226         * except.h: Remove the corresponding prototype.
15227
15228         * function.c (get_func_frame_size): Make it static.
15229         * function.h: Remove the corresponding type.
15230
15231         * regclass.c (reg_class_superclasses, reg_class_subclasses):
15232         Make them static.
15233         * hard-reg-set.h: Remove the corresponding declarations.
15234
15235         * tree-cfg.c (verify_stmts): Check that
15236         bb_for_stmt (stmt) == bb for every PHI node and statement.
15237
15238 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
15239
15240         * config.gcc: Remove excess indentation.
15241         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
15242
15243 2005-03-13  Roger Sayle  <roger@eyesopen.com>
15244
15245         PR middle-end/19331
15246         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
15247         * fold-const.c (fold_sign_changed_comparison): Likewise.
15248         (fold_binary): Optimize comparisons against widened operands if
15249         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
15250
15251 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
15252
15253         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
15254         (sparc_override_options): Initialize it.
15255         (sparc_struct_value_rtx): Set it on the MEM to be returned.
15256
15257 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
15258
15259         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
15260         (reg_or_none500mem_operand): New predicate.
15261         (zero_reg_mem_operand): New predicate.
15262         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
15263         to reg_or_none500mem_operand.
15264         (extendsfdf2_fpr): Add MEM alternative.
15265         (extenddftf2_internal): Change operand2 predicate to
15266         zero_reg_mem_operand.
15267
15268 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
15269
15270         * ggc-zone.c: Rewritten.
15271
15272         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
15273         if there are none.
15274         * configure.ac: Define GGC_ZONE for --with-gc=zone.
15275         * config.in: Regenerated.
15276         * configure: Regenerated.
15277         * gengtype.c (write_types_process_field, write_func_for_structure):
15278         Pass new argument to gt_pch_note_object.
15279         * ggc-common.c (struct ptr_data): Add TYPE.
15280         (gt_pch_note_object): Take TYPE argument and save it.
15281         (call_count): Update call to ggc_pch_count_object.
15282         (call_alloc): Update call to ggc_pch_alloc_object.
15283         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
15284         file.
15285         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
15286         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
15287         (ggc_alloc_zone_stat): Delete.
15288         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
15289         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
15290         (ggc_pch_alloc_object): Update prototypes.
15291         (garbage_zone): Delete.
15292         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
15293         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
15294         pointers.
15295         (tree_id_zone): New variable.
15296         (ggc_alloc_cleared_zone): Remove unused.
15297         (ggc_alloc_zone): Define.
15298         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
15299         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
15300         ggc_alloc_zone_stat.
15301         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
15302         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
15303         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
15304         (make_node_stat): Likewise.  Use tree_id_zone.
15305
15306 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
15307             Joseph S. Myers  <joseph@codesourcery.com>
15308
15309         * configure.ac: Check for MIPS TLS.
15310         * configure: Regenerated.
15311         * config/mips/mips-protos.h (enum mips_symbol_type): Add
15312         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
15313         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
15314         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
15315         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
15316         (mips_classify_symbol, mips_symbolic_constant_p)
15317         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
15318         (mips_tls_operand_p, mips_call_tls_get_addr)
15319         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
15320         (mips_tls_symbol_ref_1): New functions.
15321         (mips_legitimize_address, mips_legitimize_const_move): Call
15322         mips_legitimize_tls_address.
15323         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
15324         for MIPS16.
15325         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
15326         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
15327         (mips_char_to_class): Document V1_REG.
15328         (HAVE_AS_TLS): Provide default.
15329         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
15330         constants.
15331         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
15332         !TARGET_ABICALLS.
15333         (tls_get_tp_<mode>): New instruction.
15334
15335 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
15336
15337         * configure.ac: Update checks for target tools.
15338         * configure: Regenerated.
15339
15340 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
15341
15342         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
15343
15344 2005-03-13  Roger Sayle  <roger@eyesopen.com>
15345
15346         * expmed.c (expand_mult): Use synthetic multiplication sequences for
15347         more classes of DImode multiplication by constant.  Allow both
15348         multiplication by small negative constants (by performing a
15349         multiplication by a positive constant and negating the result) and
15350         multiplications by large powers of two, by using a left shift.
15351
15352 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
15353
15354         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
15355         of basic blocks into work_stack.
15356
15357         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
15358         config/mips/vr.h: Update copyright.
15359
15360         * c-decl.c (c_init_decl_processing): Remove useless calls to
15361         build_function_type.
15362
15363         * builtins.c (fold_trunc_transparent_mathfn,
15364         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
15365         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
15366         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
15367         fold_builtin_strcpy, fold_builtin_strncpy,
15368         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
15369         TREE_TYPE (exp).
15370
15371         * builtins.c (expand_builtin_mathfn_3): Remove local variable
15372         before_call.
15373
15374         * lambda-code.c (lambda_compute_auxillary_space): Remove local
15375         variable determinant.
15376
15377         * tree-cfg.c (group_case_labels): Remove local variable type.
15378
15379         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
15380         variable ann.
15381
15382         * tree-ssa-phiopt.c (value_replacement): Remove local variable
15383         result.
15384
15385 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
15386
15387         PR target/18251
15388         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
15389         (*movmemqi_insn): Delete.
15390         (*movmemhi): Delete.
15391
15392 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
15393
15394         * builtins.c (fold_builtin_classify): Take decomposed
15395         arguments of CALL_EXPR.
15396         (fold_builtin_1): Update a call to fold_builtin_classify.
15397
15398 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
15399
15400         PR c/20402
15401         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
15402         through into call to parser_xref_tag after parse error.
15403         (c_parser_struct_declaration): Consistently return NULL_TREE on
15404         error.
15405
15406 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
15407
15408         * tree-flow-inline.h (ref_contains_array_ref): New function.
15409         (lookup_subvars_for_var): Ditto.
15410         (get_subvars_for_var): Ditto.
15411         (var_can_have_subvars): Ditto.
15412
15413         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
15414         (struct subvar): New type.
15415
15416         * tree-dfa.c (okay_component_ref_for_subvars): New function.
15417
15418         * tree-optimize.c (init_tree_optimization_passes): Call
15419         pass_create_structure_vars.
15420
15421         * tree-ssa-alias.c: Include vec.h.
15422         (init_alias_info): Don't auto-clear call clobbered on struct-field
15423         tags.
15424         (compute_flow_insensitive_aliasing): Handle subvars.
15425         (group_aliases): Handle STRUCT_FIELD aliases.
15426         (setup_pointers_and_addressables): Ditto.
15427         Don't mark variables non-addressable if they still have
15428         addressable subvars.
15429         Also mark subvars addressable when the real variable is marked
15430         addressable.
15431         (add_pointed_to_var): Try to prune the pointed-to set by only
15432         pointing to subvars when possible.
15433         Otherwise, make sure we set addresses_needed and pt_vars to
15434         properly include subvars.
15435         (bitpos_of_field): New function.
15436         (push_fields_onto_fieldstack): Ditto.
15437         (get_or_create_used_part_for): Ditto.
15438         (create_overlap_variables_for): Ditto.
15439         (find_used_portions): Ditto.
15440         (create_structure_vars): Ditto.
15441         (pass_create_structure_vars): New structure.
15442
15443         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
15444         (get_expr_operands): Handle subvars.  Also try to turn
15445         COMPONENT_REF accesses into must-defs now that we can accurately
15446         portray it.
15447         (note_addressable): Try to only mark as addressable those subvars
15448         we know a COMPONENT_REF touches.
15449         (overlap_subvar): New function.
15450
15451         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
15452         Handle subvar storing.
15453         (vect_address_analysis): Update caller of vect_object_analysis.
15454
15455         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
15456
15457         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
15458         (STMT_VINFO_SUBVARS): New macro.
15459
15460         * common.opts: add flag_tree_salias.
15461
15462         * opts.c (decode_options): flag_tree_salias defaults to on.
15463
15464         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
15465
15466         * doc/tree-ssa.texi: Document structural alias analysis.
15467
15468 2005-03-12  Steven Bosscher  <stevenb@suse.de>
15469
15470         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
15471         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
15472         * tree-ssa-operands.c (get_expr_operands): Likewise.
15473         (get_expr_operands): Likewise for ERROR_MARK.
15474
15475 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
15476
15477         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
15478         var.
15479
15480         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
15481         removed_phis.
15482
15483         * tree-ssa-pre.c (compute_avail): Remove local variable val.
15484         (mark_operand_necessary): Remove local variable ver.
15485
15486         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
15487         variable prefix_len.
15488
15489         * value-prof.c (mod_subtract_transform): Remove local variable
15490         value.
15491
15492         * builtins.c (fold_builtin_exponent): Take decomposed
15493         arguments of CALL_EXPR.
15494         (fold_builtin_1): Update a call to fold_builtin_exponent.
15495
15496         * builtins.c (fold_builtin_logarithm): Take decomposed
15497         arguments of CALL_EXPR.
15498         (fold_builtin_1): Update a call to fold_builtin_logarithm.
15499
15500         * c-decl.c (c_init_decl_processing): Remove local variables
15501         ptr_ftype_void and ptr_ftype_ptr.
15502
15503         * gimplify.c (gimplify_expr): Remove local variables r0 and
15504         r1.
15505
15506         * reg-stack.c (move_for_stack_reg): Remove local variable
15507         push_insn.
15508         (compare_for_stack_reg): Remove local variable flags_user.
15509         (convert_regs_1): Remove local variable deleted.
15510
15511         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
15512         variable new_cond.
15513         (combine_blocks): Remove local variables exits and new_e.
15514
15515         * tree-inline.c (expand_call_inline): Remove local variable
15516         decl.
15517
15518         * tree-ssa-live.c (create_ssa_var_map,
15519         calculate_live_on_entry): Remove local variable snn.
15520
15521 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
15522
15523         * c-lex.c (c_lex_with_flags): Add parameter to call to
15524         cpp_spell_token.
15525
15526 2005-03-11  Per Bothner  <per@bothner.com>
15527
15528         * c-tree.h (struct c_declarator): New id_loc field.
15529         * c-pragma.h (c_lex_with_flags): Take position reference.
15530         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
15531         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
15532         (c_lex): Pass dummy location to c_lex_with_flags.
15533         * c-parser.c (c_lex_one_token): Set c_token's location using
15534         c_lex_with_flags, instead of input_location, which might be "ahead".
15535         (c_parser_direct_declarator): Set declarator's id_loc from
15536         c_token's id_loc.
15537         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
15538         declarator's id_loc, rather than probably-imprecise input_location.
15539         (build_id_declarator): Initialize c_declarator's id_loc field.
15540
15541 2005-03-11  Roger Sayle  <roger@eyesopen.com>
15542
15543         PR middle-end/20419
15544         * builtins.c (expand_builtin_signbit): Force the signbit's word
15545         into an integer register to avoid SUBREGs of floating point modes.
15546
15547 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
15548
15549         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
15550         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
15551         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
15552         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
15553
15554 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
15555
15556         PR rtl-optimization/20306
15557         * expr.c (emit_move_complex): Set try_int false if mode is
15558         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
15559         emit_block_move if try_int is true.
15560
15561 2005-03-11  Richard Henderson  <rth@redhat.com>
15562
15563         PR target/20415
15564         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
15565         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
15566         to match.
15567
15568 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
15569
15570         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
15571         (TARGET_FIX_VR4130): New macro.
15572         (TARGET_OPTIONS): Add -mfix-vr4130.
15573         (ISA_HAS_MACCHI): New macro.
15574         (ASM_SPEC): Add -mfix-vr4130.
15575         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
15576         (override_options): Handle mips_fix_vr4130_string.
15577         (mips_avoid_hazards): Clear all_noreorder_p
15578         if we're working around VR4130 errata and the macc alternatives
15579         are not available.
15580         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
15581         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
15582         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
15583         (MULTILIB_DEFAULTS): Remove leading "march=".
15584         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
15585         if no architecture option is given.
15586         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
15587         VR4130 multilibs.
15588         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
15589         * doc/invoke.texi: Document -mfix-vr4130.
15590
15591 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
15592
15593         * config/mips/mips.c (override_options): Only warn about -mint64
15594         deprecation if TARGET_INT64.
15595
15596 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15597
15598         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
15599         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
15600         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
15601         are non-specific regarding the nonnull parameter positions.
15602         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
15603         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
15604         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
15605         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
15606
15607         * builtins.def: Use the non-specific "nonnull" attibute lists.
15608
15609 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
15610
15611         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
15612         single_pred_edge, single_succ, single_pred): Improve comments.
15613
15614 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
15615
15616         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
15617         single_pred_edge, single_succ, single_pred): New inline functions.
15618         * bb-reorder.c (rotate_loop, find_traces_1_round,
15619         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
15620         duplicate_computed_gotos): Use the single_succ/pred functions.
15621         * cfganal.c (forwarder_block_p): Ditto.
15622         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
15623         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
15624         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
15625         merge_seq_blocks): Ditto.
15626         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
15627         * cfglayout.c (fixup_reorder_chain): Ditto.
15628         * cfgloop.c (mark_single_exit_loops, update_latch_info,
15629         canonicalize_loop_headers, verify_loop_structure): Ditto.
15630         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
15631         mfb_update_loops, create_preheader, force_single_succ_latches,
15632         create_loop_notes): Ditto.
15633         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
15634         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
15635         commit_one_edge_insertion, purge_dead_edges,
15636         cfg_layout_can_merge_blocks_p): Ditto.
15637         * except.c (sjlj_emit_function_enter): Ditto.
15638         * flow.c (init_propagate_block_info): Ditto.
15639         * function.c (thread_prologue_and_epilogue_insns): Ditto.
15640         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
15641         insert_insn_end_bb): Ditto.
15642         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
15643         find_if_case_2): Ditto.
15644         * lambda-code.c (perfect_nestify): Ditto.
15645         * lcm.c (optimize_mode_switching): Ditto.
15646         * loop-doloop.c (doloop_modify): Ditto.
15647         * loop-init.c (loop_optimizer_init): Ditto.
15648         * loop-iv.c (simplify_using_initial_values): Ditto.
15649         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
15650         * loop-unswitch.c (unswitch_loop): Ditto.
15651         * modulo-sched.c (generate_prolog_epilog): Ditto.
15652         * predict.c (combine_predictions_for_insn, estimate_probability,
15653         tree_estimate_probability, last_basic_block_p,
15654         estimate_bb_frequencies): Ditto.
15655         * profile.c (branch_prob): Ditto.
15656         * regrename.c (copyprop_hardreg_forward): Ditto.
15657         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
15658         * tracer.c (layout_superblocks): Ditto.
15659         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
15660         cfg_remove_useless_stmts_bb, cleanup_control_flow,
15661         cleanup_control_expr_graph, disband_implicit_edges,
15662         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
15663         tree_verify_flow_info, tree_make_forwarder_block,
15664         tree_forwarder_block_p, remove_forwarder_block,
15665         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
15666         * tree-if-conv.c (tree_if_conversion): Ditto.
15667         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
15668         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
15669         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
15670         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
15671         copy_loop_headers): Ditto.
15672         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
15673         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
15674         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
15675         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
15676         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
15677         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
15678         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
15679         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
15680         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
15681         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
15682         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
15683         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
15684         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
15685         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
15686         slpeel_add_loop_guard): Ditto.
15687
15688 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
15689
15690         PR tree-optimization/15784
15691         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
15692         and -1 - A to ~A.
15693
15694         * stmt.c (expand_case): Don't change index_type.  Convert minval
15695         to the proper type.
15696
15697         PR tree-optimization/20130
15698         * fold-const.c (fold): Fold x * -1 into -x.
15699
15700 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
15701
15702         PR rtl-optimization/20331
15703         * rtlanal.c (modified_between_p): Check its address first for MEM.
15704         (modified_in_p): Likewise.
15705
15706 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
15707
15708         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
15709
15710 2005-03-10  Steven Bosscher  <stevenb@suse.de>
15711
15712         * expr.c (expand_expr_real_1): If possible, use a conditional
15713         move for expanding MIN_EXPR and MAX_EXPR.
15714         Use temp for moving around rtx-en.
15715
15716 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
15717
15718         PR rtl-opt/20412
15719         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
15720         correct mode.
15721
15722 2005-03-10  Roger Sayle  <roger@eyesopen.com>
15723
15724         * builtins.c (expand_builtin_signbit): Extend to handle floating
15725         point modes wider than the largest integer type, using the
15726         operand_subword_force function to obtain the signbit's word.
15727
15728 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
15729
15730         PR target/20322
15731         * combine.c (try_combine): If recog_for_combine added CLOBBERs
15732         to NEWI2PAT, fail to combine if they are used by NEWPAT.
15733
15734 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
15735
15736         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
15737
15738 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
15739
15740         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
15741         type void.
15742         (perform_edge_inserts): Unconditionally call
15743         free_dominator_info.
15744
15745         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
15746
15747 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
15748
15749         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
15750
15751 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
15752
15753         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
15754
15755         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
15756         gcc_unreachable.
15757         (rtl_register_value_prof_hooks,
15758         tree_value_profile_transformations,
15759         tree_register_value_prof_hooks): Likewise.
15760         * var-tracking.c (stack_adjust_offset_pre_post,
15761         variable_htab_free, variable_union, dataflow_set_different_2,
15762         count_uses, variable_was_changed, set_frame_base_location,
15763         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
15764         vt_add_function_parameters): Likewise.
15765         * varasm.c (named_section_real, named_section, make_decl_rtl,
15766         asm_emit_uninitialised, assemble_integer, decode_addr_const,
15767         const_hash_1, compare_constant, copy_constant, force_const_mem,
15768         output_constant_pool_2, output_constant_pool_1, output_constant,
15769         output_constructor, make_decl_one_only, decl_tls_model,
15770         default_no_named_section, default_elf_select_section_1,
15771         default_unique_section_1): Likewise.
15772         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
15773         * vmsdbgout.c (addr_const_to_string): Likewise.
15774
15775         PR c++/20375
15776         * function.c (struct assign_parm_data_one): Remove last_named
15777         field.
15778         (assign_parm_find_data_types): Don't determine last_named.
15779         Reorder named_parm determination.
15780         (assign_parms): Only setup varargs on the last non-varadic
15781         parameter.
15782
15783 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
15784
15785         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
15786         sda base address on medium model.
15787
15788 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
15789
15790         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
15791         * cfgloop.c (flow_loop_nodes_find): Export.
15792         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
15793         Declare.
15794         * cfgloopmanip.c (fix_loop_structure): New function.
15795         * predict.c (predict_loops): Clean up the loops information.
15796         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
15797         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
15798         loop structure.
15799         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
15800         (rewrite_into_loop_closed_ssa): Declaration changed.
15801         * tree-loop-linear.c (linear_transform_loops): Add argument to
15802         rewrite_into_loop_closed_ssa call.
15803         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
15804         * tree-ssa-loop-im.c (move_computations): Ditto.
15805         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
15806         * tree-vectorizer.c (vectorize_loops): Ditto.
15807         * tree-optimize.c: Include cfgloop.h.
15808         (execute_todo): Choose whether to call cleanup_tree_cfg or
15809         cleanup_tree_cfg_loop.
15810         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
15811         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
15812         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
15813         cleanup_tree_cfg_loop call.
15814         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
15815         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
15816         work on part of cfg.
15817
15818 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
15819
15820         PR inline-asm/20314
15821         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
15822         with multiple alternatives.
15823
15824         * stmt.c (parse_output_constraint): Fix a typo.
15825
15826 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
15827
15828         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
15829         assembly directive instead of deprecated "no-generics".
15830
15831 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
15832
15833         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
15834         for non-offsettable memory references to cope with outstanding reload
15835         replacements.
15836         * config/s390/s390.md ("reload_outti"): Call find_replacement to
15837         avoid losing outstanding address reloads.
15838         ("reload_outdi", "reload_outdf"): Likewise.
15839
15840 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15841
15842         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
15843         code.  Add more cbrt transformations.
15844
15845 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15846
15847         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
15848
15849 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
15850
15851         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
15852         NULL_TREE when a given tree is not simplified.
15853         (fold): Return the original tree when any of the functions
15854         mentioned above NULL_TREE.
15855
15856         * fold-const.c (fold_unary, fold_binary): Take decomposed
15857         arguments, code, type, op0, and op1 in case of fold_binary.
15858         (fold): Update calls to fold_unary and fold_binary.
15859
15860 2005-03-09  Roger Sayle  <roger@eyesopen.com>
15861
15862         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
15863         a fndecl and an arglist instead of a CALL_EXPR, exp.
15864
15865 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
15866
15867         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
15868
15869         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
15870
15871         * expr.c (expand_assignment): Remove orig_to_rtx.
15872
15873         * fold-const.c (int_const_binop): Remove no_overflow.
15874
15875         * ifcvt.c (noce_emit_move_insn): Remove inmode.
15876
15877         * loop-iv.c (get_biv_step_1): Remove lhs.
15878
15879         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
15880
15881         * real.c (real_nan): Remove neg.
15882
15883         * function.c (thread_prologue_and_epilogue_insns): Remove i
15884         and newinsn.
15885
15886         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
15887         tb.
15888
15889         * tree-eh.c (tree_could_trap_p): Remove idx.
15890
15891         * tree-into-ssa.c (ann): Remove ann.
15892
15893         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
15894
15895         * tree-sra.c (decide_block_copy): Remove inst_count.
15896
15897         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
15898
15899         * tree-ssa-loop-im.c (lhs): Remove.
15900
15901         * cfgbuild.c (state, STATE, SET_STATE,
15902         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
15903         make_edges.
15904         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
15905         (find_basic_blocks): Set the state of each basic block to
15906         BLOCK_NEW.
15907
15908 2005-03-08  Jeff Law  <law@redhat.com>
15909
15910         * tree-cfg.c (cleanup_control_flow): If removal of a computed
15911         goto results in the removal of edges in the CFG, then we need
15912         to recompute dominators.
15913
15914 2005-03-09  Ben Elliston  <bje@au.ibm.com>
15915
15916         * c-common.c (c_do_switch_warnings): Comment fix.
15917
15918 2005-03-08  Julian Brown  <julian@codesourcery.com>
15919
15920         * Patch from 2005-03-08 reverted for causing regressions and
15921         ppc-darwin bootstrap failure.
15922
15923 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
15924
15925         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
15926         Define the real function for ppc-darwin.
15927         * c-typeck.c (convert_arguments): Check for target-specific
15928         invalid argument call to unprototyped function.
15929         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
15930         New Macro.
15931         * target.h (invalid_arg_for_unprototyped_fn): New field
15932         in struct calls.
15933         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
15934         default target hook.
15935         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
15936         Declare.
15937
15938 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
15939
15940         * c-typeck.c (constructor_stack, constructor_range_stack,
15941         initializer_stack): Make them static.
15942
15943         * cfg.c (rbi_pool): Make it static.
15944
15945         * gimple-low.c (lower_stmt_body): Make it static.
15946         * tree-flow.h: Remove the corresponding prototype.  Don't
15947         declare lower_data.
15948
15949         * sched-deps.c (cache_size): Make it static.
15950
15951         * stor-layout.c (lang_adjust_rli): Make it static.
15952
15953 2005-03-08  Julian Brown  <julian@codesourcery.com>
15954
15955         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
15956         from being used for symbols with vague linkage when
15957         HAVE_GAS_COMDAT_GROUP is true.
15958
15959 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
15960
15961         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
15962         nlabel == JUMP_LABEL (jump).
15963
15964 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
15965
15966         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
15967         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
15968         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
15969         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
15970
15971 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
15972
15973         PR c/14411
15974         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
15975         * c-common.c (handle_returns_twice): New function.
15976         (c_common_attribute_table): Declare eturns_twice' attribute.
15977         * doc/extend.texi: Document eturns_twice' attribute.
15978         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
15979         (struct tree_decl): Add returns_twice_flag.
15980
15981 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
15982
15983         * tree-ssa-phiopt.c: Fix a comment typo.
15984
15985         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
15986         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
15987         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
15988         copyright.
15989
15990 2005-03-08  Richard Henderson  <rth@redhat.com>
15991
15992         * config/alpha/alpha.c (code_for_builtin): Replace special-case
15993         builtin codes with ctzdi2, clzdi2, popcountdi2.
15994         (struct alpha_builtin_def): Add is_const.
15995         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
15996         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
15997         (alpha_init_builtins): Init them.  Set nothrow and const attributes
15998         on builtins.
15999         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
16000         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
16001         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
16002         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
16003         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
16004         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
16005         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
16006         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
16007         (TARGET_FOLD_BUILTIN): New.
16008         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
16009         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
16010         (ffsdi2): Use ctz.
16011         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
16012
16013 2005-03-08  Ira Rosen  <irar@il.ibm.com>
16014
16015         PR tree-optimization/20122
16016         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
16017         condition of access function instead of base.
16018
16019 2005-03-07  Jeff Law  <law@redhat.com>
16020             Steven Bosscher  <stevenb@suse.de>
16021
16022         * tree-cfg.c (find_taken_edge_computed_goto): New function.
16023         (find_taken_edge): Call find_taken_edge_computed_goto as
16024         appropriate.  Allow any gimple invariant rather than just
16025         INTEGER_CST for VAL.
16026         (cleanup_control_flow): Cleanup a computed goto which has turned
16027         into a simple goto.
16028         (tree_merge_blocks): If block B has any forced labels, move
16029         them to the start of block A.
16030         * tree-ssa-dom.c (thread_across_edge): Allow threading across
16031         computed gotos as well.
16032         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
16033         removal of unnecessary computed gotos too.
16034         (lookup_redirection_data): Fix type of INSERT argument.  Callers
16035         updated.
16036
16037 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
16038
16039         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
16040         Remove trailing spaces.
16041
16042         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
16043         unshare_all_trees): Make them static.
16044         * tree-gimple.h: Remove the corresponding prototypes.
16045
16046         * diagnostic.h: Remove unused prototype
16047         debug_output_buffer.
16048         * modulo-sched.c: Remove unused prototype
16049         set_row_column_for_ps.
16050
16051         * tree-ssa-phiopt.c (tree_ssa_phiopt,
16052         replace_phi_edge_with_variable): Remove unused variable i.
16053
16054 2005-03-07  Per Bothner  <per@bothner.com>
16055
16056         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
16057
16058 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
16059
16060         PR tree-opt/17671
16061         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
16062         bbs on the COND_EXPR instead of the PHI_NODEs.
16063         (candidate_bb_for_phi_optimization): Remove.
16064         (replace_phi_with_stmt): Rename to ...
16065         (replace_phi_edge_with_variable): this and change so that we
16066         replace the phi argument instead of removing the PHI.
16067         (conditional_replacement): Change so we deal with PHI with more
16068         than two arguments.
16069         (value_replacement): Likewise.
16070         (abs_replacement): Likewise.
16071
16072 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
16073
16074         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
16075         output_e500_flip_gt_bit.
16076
16077         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
16078         as bit 31.
16079         (rs6000_generate_compare): Fix logic to look at the correct bits.
16080         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
16081         Look at GT bit.
16082         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
16083         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
16084         gen_move_from_CR_gt_bit.
16085
16086         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
16087         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
16088         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
16089
16090         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
16091         (E500_CR_IOR_COMPARE): New constant.
16092
16093 2005-03-08  Earl Chew <earl_chew@agilent.com>
16094             David Billinghurst <David.Billinghurst@riotinto.com>
16095
16096         * config/i386/host-cygwin.c: New file to support precompiled
16097         headers on cygwin
16098         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
16099         * config.host: Use above files for cygwin host.
16100
16101 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
16102
16103         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
16104         ordering ops from earlier change.
16105
16106 2005-03-07  Per Bothner  <per@bothner.com>
16107
16108         Various fixes to allow us to again build if --enable-mapped-location:
16109         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
16110         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
16111         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
16112         local variable loc. Change logic appropriately.
16113         * tree-vect-transform.c (vect_finish_stmt_generation): Use
16114         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
16115         * c-parser.c (c_parser_for_statement): Initialize loc variable.
16116         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
16117         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
16118
16119 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
16120
16121         PR rtl-optimization/19683
16122         * reload1.c (choose_reload_regs): Pass the number of bits, not the
16123         number of bytes, to smallest_int_for_mode.  Fix arguments to
16124         REG_CANNOT_CHANGE_MODE_P.
16125
16126 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
16127
16128         * reorg.c (relax_delay_slots): Check that the jump is
16129         conditional before trying to invert it.
16130
16131 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
16132
16133         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
16134         Make them static.
16135
16136         * calls (stack_arg_under_construction): Make it static.
16137
16138         * flow.c (regs_live_at_setjmp): Make it static.
16139         * flow.h: Remove the corresponding prototype.
16140
16141         * reload1.c (reload_startobj, reload_firstobj,
16142         something_needs_operands_changed, reload_inherited,
16143         reload_inheritance_insn, reload_override_in,
16144         reload_spill_index): Make them static.
16145
16146         * recog.c (verify_changes): Make it static.
16147         * recog.h: Remove the corresponding prototype.
16148
16149         * cfgbuild.c (find_sub_basic_blocks): Remove.
16150         * basic-block.h: Remove the corresponding prototype.
16151         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
16152         in comments.
16153         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
16154
16155         * tree-ssa-operands.c (check_build_stmt): Remove.
16156
16157         * stor-layout.c (set_alignment): Remove.
16158         * tree.h: Remove the corresponding prototype.
16159
16160         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
16161
16162         * tree-ssa-dce.c (control_dependence_map,
16163         visited_control_parents): Make them static.
16164
16165         * cfghooks.c (verify_flow_info): Remove local variable
16166         num_bb_notes.
16167
16168         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
16169         last_bb_seen.
16170
16171         * loop-unswitch.c (unswitch_loop): Remove local variable src.
16172
16173 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
16174
16175         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
16176
16177 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
16178
16179         * config/ia64/hpux.h (LINK_SPEC): Add -z.
16180         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
16181         PARALLEL for an empty structure.
16182
16183 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
16184
16185         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
16186
16187         * fold-const.c (fold_binary): Unroll the very first "for"
16188         loop.
16189
16190 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
16191
16192         * config/rs6000/predicates.md (branch_comparison_operator): Remove
16193         redundant match_code test.
16194         (scc_comparison_operator): Swap match_operand and match_code
16195         tests.
16196         (branch_positive_comparison_operator): Same.
16197         (trap_comparison_operator): Use comparison_operator and swap with
16198         match_code test.
16199
16200 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
16201
16202         PR target/20288
16203         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
16204         (out_movhi_r_mr): Read low byte of volatile MEM first.
16205         (out_movhi_mr_r): Write high byte of volatile MEM first.
16206
16207 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
16208
16209         * cselib.c (reg_values, reg_values_size): Make them static.
16210
16211         * cse.c (cse_reg_info_table): Make it static.
16212
16213         * fold-const.c (fold_unary): Use build1 instead of copy_node.
16214
16215 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
16216
16217         * cse.c (find_best_addr): Use canon_for_address.
16218
16219 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
16220
16221         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
16222         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
16223         SUBREG and MEM, respectively.
16224
16225         * fold-const.c (fold_binary): Use code instead of t.
16226
16227         * fold-const.c (optimize_minmax_comparison): Take decomposed
16228         arguments code, type, op0, and op1 instead of t.
16229         (fold_binary): Update a call to optimize_minmax_comparison.
16230
16231         * fold-const.c (fold_range_test): Take decomposed arguments
16232         code, type, op0, and op1 instead of t.
16233         (fold_binary): Update a call to fold_range_test.
16234
16235         * fold-const.c (fold_binary_op_with_conditional_arg): Take
16236         decomposed arguments code, type, op0, and op1 instead of t.
16237         (fold_binary): Update a call to fold_range_test.
16238
16239 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
16240
16241         * fold-const.c (fold_binary): Avoid directly using the original
16242         expression t as much as possible.
16243
16244 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
16245
16246         * c-semantics.c (build_stmt): Use TYPE_P instead of
16247         IS_NON_TYPE_CODE_CLASS.
16248         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
16249         (NON_TYPE_CHECK): Use TYPE_P instead of
16250         IS_NON_TYPE_CODE_CLASS.
16251
16252         * fold-const.c (fold): Remove handling of binary expressions.
16253
16254 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
16255
16256         * doc/c-tree.texi: Wrap comments in @r{}.
16257         * doc/cpp.texi: Likewise.
16258         * doc/cppinternals.texi: Likewise.
16259         * doc/extend.texi: Likewise.
16260         * doc/md.texi: Likewise.
16261         * doc/objc.texi: Likewise.
16262         * doc/sourcebuild.texi: Likewise.
16263         * doc/tm.texi: Likewise.
16264         * doc/tree-ssa.texi
16265
16266 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
16267
16268         * predict.c (apply_return_prediction): Standardize PHI chain
16269         walking.
16270         * tree-ssa.c (ssa_redirect_edge): Likewise.
16271
16272         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
16273         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
16274         Update copyright.
16275
16276         * tree-phinodes.c (remove_phi_node): Drop the last argument.
16277         * tree-flow.h: Adjust the prototype for remove_phi_node.
16278         * lambda-code.c (perfect_nestify): Adjust a call to
16279         remove_phi_node.
16280         * tree-cfg.c
16281         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
16282         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
16283         Likewise.
16284         * tree-ssa-dce.c (remove_dead_phis): Likewise.
16285         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
16286         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
16287         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
16288
16289         * combine.c (simplify_and_const_int): Use gen_int_mode instead
16290         of GEN_INT (trunc_int_for_mode (...)).
16291         * loop-iv.c (iv_number_of_iterations): Likewise.
16292         * postreload.c (reload_cse_move2add): Likewise.
16293         * simplify-rtx.c (simplify_const_unary_operation,
16294         simplify_const_binary_operation): Likewise.
16295         * stor-layout.c (get_mode_bounds): Likewise.
16296
16297         * fold-const.c (fold_binary): New.
16298         (fold): Call fold_binary on binary expressions.
16299
16300 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
16301
16302         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
16303         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
16304         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
16305         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
16306         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
16307
16308 2005-03-04  Devang Patel  <dpatel@apple.com>
16309
16310         PR tree-optimization/18815
16311         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
16312         loops with zero exit edges.
16313
16314 2005-03-04  Devang Patel  <dpatel@apple.com>
16315
16316         * doc/invoke.texi: Remove reference to webpage that does not exist.
16317
16318 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
16319             Joseph S. Myers  <joseph@codesourcery.com>
16320
16321         PR c++/19797
16322         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
16323         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
16324         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
16325         * pa.c (get_plabel): Change argument to symbol_ref.  Call
16326         maybe_get_identifier instead of get_identifier.
16327         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
16328         (struct deferred_plabel): Replace name field with symbol field.
16329         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
16330         ASM_OUTPUT_EXTERNAL_REAL is defined.
16331         (output_global_address): Use output_addr_const for output of all
16332         symbol_refs.
16333         (output_deferred_plabels): Use symbol_ref instead of name for address
16334         output.
16335         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
16336         ASM_OUTPUT_SYMBOL_REF): New macros.
16337         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
16338         comment.
16339         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
16340         label.
16341
16342 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
16343
16344         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
16345         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
16346
16347 2005-03-04  Jeff Law  <law@redhat.com>
16348
16349         * basic-block.h (rediscover_loops_after_threading): Declare.
16350         * tree-ssa-dom.c: Include cfgloop.h.
16351         (tree_ssa_dominator_optimize): Discover loops and some basic
16352         properties.  Remove forwarder blocks recreated by loop header
16353         canonicalization.  Also mark backedges in the CFG.
16354         * tree-ssa-threadupdate.c: Include cfgloop.h
16355         (rediscover_loops_after_threading): Define.
16356         (struct local_info): New field, JUMP_THREADED.
16357         (prune_undesirable_thread_requests): New function.
16358         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
16359         then record that fact for the callers of redirct_edges.
16360         (thread_block): If BB has incoming backedges, then call
16361         prune_undesirable_thraed_requests.    Note when we are
16362         going to have to rediscover loop information.  Return a
16363         boolean indicating if any jumps were threaded.
16364         (thread_through_all_blocks): Bubble up boolean indicating
16365         if any jumps were threaded.
16366         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
16367         (tree-ssa-threadupdate.o): Similarly.
16368
16369 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
16370
16371         * fold-const.c (fold_ternary): Unroll the "for" loop to
16372         extract operands.
16373
16374 2005-03-04  Andrew Haley  <aph@redhat.com>
16375
16376         * unwind-dw2-fde-glibc.c (struct
16377         unw_eh_callback_data.check_cache): New field.
16378         (frame_hdr_cache): New.
16379         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
16380         Cache frame header info.
16381
16382 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
16383
16384         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
16385         (print_c_condition): Declare.
16386         * read-rtl.c (ptr_loc): New structure.
16387         (ptr_locs, ptr_loc_obstack, joined_conditions)
16388         (joined_conditions_obstack): New variables.
16389         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
16390         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
16391         (join_c_conditions, print_c_condition): New functions.
16392         (apply_macro_to_string): Associate the new string with the same
16393         source location as the old one.
16394         (add_condition_to_string): Use join_c_conditions.
16395         (read_string): Use set_rtx_ptr_loc to record a filename and line
16396         number for the string.
16397         (read_rtx): Initialize the new variables above.
16398         * genattrtab.c (write_test_expr, write_attr_value): Use
16399         print_c_condition.
16400         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
16401         comment above the GCC_VERSION check.
16402         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
16403         Inline the definition of MAYBE_EVAL.
16404         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
16405         * genoutput.c (process_template): Likewise.
16406         * genpreds.c (write_predicate_subfunction): Likewise.
16407         (write_predicate_expr): Use print_c_condition.
16408         * genrecog.c (write_cond): Likewise.
16409         * gensupport.c (process_rtx): Use join_c_conditions to join the
16410         conditions of a define_insn_and_split.  Record a source location
16411         for the string after the "&&".
16412         (alter_test_for_insn): Use join_c_conditions.
16413
16414 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
16415
16416         Revert for now:
16417         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
16418         PR tree-optimization/15784
16419         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
16420         and -1 - A to ~A.
16421
16422 2005-03-04  Ben Elliston  <bje@au.ibm.com>
16423
16424         * gcc.c (option_map): Add --coverage.
16425         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
16426         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
16427         * config/darwin.h: Pass -lgcov for `coverage'.
16428         * doc/invoke.texi (Debugging Options): Document --coverage.
16429
16430 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
16431
16432         * gcse.c (bypass_block): Use find_edge wherever possible.
16433
16434 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
16435
16436         Fix PR debug/20253
16437
16438         * c-opts.c (c_common_parse_file): Call start_source_file
16439         and end_source_file at the approriate times.
16440
16441         * dwarf2out.c (dwarf2out_finish): Don't auto-end
16442         the main file, it will be done for us now.
16443
16444 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
16445
16446         * fold-const.c (fold_ternary): New.
16447         (fold): Call fold_ternary on ternary expressions.  Remove
16448         handling of ternary expressions.
16449
16450 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
16451
16452         PR tree-optimization/15784
16453         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
16454         and -1 - A to ~A.
16455
16456 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
16457
16458         * config/rs6000/predicates.md (branch_comparison_operator):
16459         Convert from C block to conditional format.
16460
16461 2005-03-03  Jan Hubicka  <jh@suse.cz>
16462
16463         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
16464         and non-constant public variables.
16465
16466 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
16467
16468         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
16469         with LABEL_EXPR.
16470
16471         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
16472         EDGE_I.
16473
16474         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
16475         calls to release_ssa_name and release_phi_node.
16476
16477         * fold-const.c (fold): Remove handling of unary expressions.
16478
16479         * fold-const.c (fold_unary): Avoid directly using the original
16480         expression t as much as possible.
16481
16482 2005-03-03  Roger Sayle  <roger@eyesopen.com>
16483             Andrew Pinski  <pinskia@physics.uc.edu>
16484
16485         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
16486         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
16487
16488 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
16489
16490         Describe special registers SRP and MOF as allocatable registers.
16491         * config/cris/cris.c (cris_md_asm_clobbers): New function.
16492         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
16493         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
16494         TARGET_HAS_MUL_INSNS.
16495         (cris_print_operand) <case 'd'>: New case.
16496         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
16497         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
16498         define.
16499         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
16500         (REG_ALLOC_ORDER): Update for MOF.
16501         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
16502         SPECIAL_REGS.
16503         (GENERAL_REGS): No longer a define of ALL_REGS.
16504         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
16505         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
16506         Adjust accordingly.
16507         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
16508         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
16509         (SECONDARY_RELOAD_CLASS): Define.
16510         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
16511         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
16512         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
16513         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
16514         (REGISTER_MOVE_COST): Define.
16515         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
16516         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
16517         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
16518         (CRIS_MOF_REGNUM): New define_constants.
16519         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
16520         special registers.
16521         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
16522         New patterns.
16523         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
16524         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
16525         Adjust for MOF being properly described as a register.
16526         (indir_to_reg_split): Name this split.  Conditionalize on the
16527         destination register being a general register.
16528         (movei): Conditionalize on on operands 0 and 1 having the same
16529         register class.
16530
16531 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
16532
16533         PR target/20277
16534         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
16535         -mcpu to override any other explicitly given flags.
16536
16537 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
16538
16539         * recog.c (verify_changes, confirm_change_group): New functions,
16540         broken out of apply_change_group.
16541         (apply_change_group): Use them.
16542         * recog.h (verify_change, confirm_change_group): Declare.
16543         * rtl.h (redirect_jump_2): Declare.
16544         * jump.c (redirect_exp, invert_exp): Delete.
16545         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
16546         (redirect_jump_2): New function, broken out of redirect_jump.
16547         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
16548         (invert_jump): Use invert_jump_1 and redirect_jump_2.
16549         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
16550
16551 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
16552
16553         * varasm.c (named_section): Use xstrdup rather than doing it by
16554         hand.
16555
16556         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
16557
16558 2005-03-02  Devang Patel  <dpatel@apple.com>
16559
16560         Undo PR tree-optimization/18815 fix.
16561
16562 2005-03-02  Devang Patel  <dpatel@apple.com>
16563
16564         PR tree-optimization/18815
16565         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
16566         loops with zero exit edges.
16567
16568 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
16569
16570         * cfg.c (connect_src, connect_dest, disconnect_src,
16571         disconnct_dest): New.
16572         (unchecked_make_edge, remove_edge, redirect_edge_succ,
16573         redirect_edge_pred): Use the new functions.
16574
16575         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
16576         free_dominance_info only when needed.
16577
16578 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
16579
16580         PR target/20276
16581         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
16582         (reg_or_sub_cint64_operand): Same.
16583
16584 2005-03-02  Jeff Law  <law@redhat.com>
16585
16586         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
16587         CFG_ALTERED in the main DOM iteration loop.
16588
16589 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
16590
16591         PR c++/19916
16592         * varasm.c (initializer_constant_valid_p): Allow conversions
16593         between OFFSET_TYPEs.  Tidy.
16594
16595 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
16596
16597         * config/cris/cris.md ("return"): Remove epilogue delay list
16598         sanity check.
16599
16600 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
16601
16602         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
16603         for Thumb.
16604         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
16605
16606 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
16607
16608         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
16609         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
16610         config/m68k/m68k.c, config/mips/mips.h,
16611         config/rs6000/rs6000-protos.h, doc/contrib.texi,
16612         doc/include/gcc-common.texi: Update copyright.
16613
16614         PR middle-end/18029 and PR middle-end/18030
16615         * expr.c (optimize_bitfield_assignment_op): Add a special case
16616         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
16617
16618         * fold-const.c (fold_unary): New.
16619         (fold): Call fold_unary on unary expressions.
16620
16621 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
16622
16623         * cgraph.h (struct cgraph_edge): Add prev_caller and
16624         prev_callee fields.
16625         (cgraph_node_remove_callees): Export.
16626         * cgraph.c (cgraph_create_edge): Initialize prev_caller
16627         and prev_callee.
16628         (cgraph_edge_remove_callee): New function.
16629         (cgraph_edge_remove_caller): Likewise.
16630         (cgraph_remove_edge): Use.
16631         (cgraph_redirect_edge_callee): Likewise.
16632         (cgraph_node_remove_callees): New function.
16633         (cgraph_node_remove_callers): Likewise.
16634         (cgraph_remove_node): Use.
16635         * tree-optimize.c (tree_rest_of_compilation): Use
16636         cgraph_node_remove_callees instead of manual loop.
16637         * cgraphunit.c (cgraph_finalize_function): Likewise.
16638         (cgraph_expand_function): Likewise.
16639         (cgraph_remove_unreachable_nodes): Likewise.
16640
16641 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
16642
16643         PR c/8927
16644         * c-tree.h (undeclared_variable, build_external_ref): Add extra
16645         argument.
16646         * c-decl.c (undeclared_variable): Take location as argument.
16647         * c-typeck.c (build_external_ref): Likewise.
16648         * c-parser.c (c_parser_postfix_expression): Pass location of
16649         identifier to build_external_ref.
16650
16651 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
16652
16653         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
16654         CCEQ mode for branch_positive_comparison_operator test.
16655         * config/rs6000/predicates (branch_comparison_operator): Revert to
16656         define_predicate.
16657         (scc_comparison_operator): Same.
16658         (branch_positive_comparison_operator): Same.
16659
16660 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
16661
16662         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
16663         (cris_delay_slots_for_epilogue): Remove.
16664         (save_last): Move into cris_target_asm_function_epilogue.
16665         (cris_target_asm_function_epilogue): Remove tests for file being
16666         NULL.
16667         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
16668         (cris_delay_slots_for_epilogue): Remove prototypes.
16669         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
16670         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
16671
16672 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
16673
16674         * config/rs6000/predicates.md (branch_comparison_operator): Change
16675         to define_special_predicate.
16676         (scc_comparison_operator): Same.
16677         (branch_positive_comparison_operator): Same.
16678
16679 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
16680
16681         * Makefile.in (tree-ssa-sink.o): New.
16682         (OBJS-common): Add tree-ssa-sink.o.
16683         * common.opt: Add -ftree-sink
16684         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
16685         * timevar.def (TV_TREE_SINK): new timevar.
16686         * tree-flow.h (is_hidden_global_store): Prototype.
16687         * tree-optimize.c (init_tree_optimization_passes): Add
16688         pass_sink_code.
16689         * tree-pass.h (pass_sink_code): New.
16690         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
16691         for non-obvious global store store to is_hidden_global_store, and
16692         call that new function.
16693         * tree-ssa-sink.c: New file.
16694         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
16695         * doc/passes.texi: Document forward store motion.
16696         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
16697         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
16698         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
16699         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
16700
16701 2005-03-01  Per Bothner  <per@bothner.com>
16702
16703         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
16704         and we have a non-zero column-number, add it to the message.
16705         Also factor out the diagnostic_kind_text.
16706
16707 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
16708
16709         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
16710         flow_loop_pre_header_scan, flow_loop_pre_header_find,
16711         flow_loop_scan): Removed.
16712         (flow_loop_dump): Do not dump removed fields.
16713         (flow_loop_free): Do not free removed fields.
16714         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
16715         (loop_exit_edge_p): New function.
16716         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
16717         num_pre_header_edges, entry_edges, num_entries, exit_edges,
16718         num_exits, exits_doms.
16719         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
16720         LOOP_EDGES, LOOP_ALL): Removed.
16721         (flow_loop_scan): Declaration removed.
16722         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
16723         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
16724         flow_loops_find.
16725         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
16726         (if_convert): Call flow_loops_find and flow_loops_free
16727         when calling mark_loop_exit_edges.
16728         * cfgloopanal.c (mark_loop_exit_edges): Moved from
16729         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
16730         free_dominance_info calls.
16731         * loop-init.c (flow_loops_find): Ditto.
16732         * passes.c (rest_of_handle_branch_prob): Ditto.
16733         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
16734         * loop-unroll.c (analyze_insns_in_loop): Do not use
16735         EDGE_LOOP_EXIT.
16736         * predict.c (predict_loops): Do not call flow_loop_scan.
16737         Use get_loop_exit_edges.
16738         (tree_estimate_probability): Do not pass flags to flow_loops_find.
16739         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
16740         Do not use EDGE_LOOP_EXIT.
16741         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
16742         to bb_with_exit_edge_p.
16743         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
16744         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
16745         to bb_with_exit_edge_p.
16746         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
16747         EDGE_LOOP_EXIT.
16748         * tree-loop-linear.c (linear_transform_loops): Do not call
16749         flow_loop_scan.  Use loop->single_exit.
16750         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
16751         (vect_analyze_loop_form): Do not call flow_loop_scan.
16752         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
16753         loop->single_exit.
16754         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
16755         loop->single_exit.
16756         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
16757         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
16758         slpeel_tree_duplicate_loop_to_edge_cfg,
16759         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
16760         Use loop_preheader_edge and loop->single_exit.  Do not call
16761         flow_loop_scan.
16762
16763 2005-03-01  Nick Clifton  <nickc@redhat.com>
16764
16765         * config/arm/arm.c (thumb_find_work_register): Check all of the
16766         argument registers to see if they are free, and a couple of
16767         special cases where the last argument register but can be proved
16768         to be available during the function's prologue.
16769         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
16770         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
16771         thumb_unexpanded_epilogue): Use unsigned long as the type for the
16772         register bit-mask.
16773         (thumb_compute_save_reg_mask): Likewise.  Also use
16774         thumb_find_work_register() to ensure that there is agreement about
16775         which work register is going to be used in the prologue.
16776         (thumb_output_function_prologue): Use unsigned long as the type
16777         for the register bit-mask.  Also delay pushing the link register if
16778         other high registers are going to be pushed.
16779         (thumb_compute_save_reg_mask, emit_multi_reg_push,
16780         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
16781         redundant prototypes.
16782
16783 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
16784
16785         PR target/19819
16786         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
16787         and after reload in REG+REG indexed addresses without REG_POINTER
16788         set in the base and not set in the index.
16789
16790 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
16791
16792         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
16793         Don't undefine here.
16794         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
16795         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
16796         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
16797         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
16798         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
16799         Delete.
16800         * config.gcc (sh*-*-linux*): Use config/linux.h.
16801
16802 2005-02-28  Dale Johannesen  <dalej@apple.com>
16803             Stan Shebs  <shebs@apple.com>
16804
16805         Rewrite of 64-bit Darwin structure-by-value pass/return.
16806         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
16807         intoffset, use_stack, named.
16808         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
16809         (rs6000_darwin64_record_arg_advance_flush):  New.
16810         (rs6000_darwin64_record_arg_advance_recurse): New.
16811         (rs6000_darwin64_record_arg_flush):  New.
16812         (rs6000_darwin64_record_arg_recurse):  New.
16813         (rs6000_darwin64_record_arg):  New.
16814         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
16815         (function_arg_boundary):  Handle 128-bit aligned structs.
16816         (function_arg_advance):  Rewrite darwin64 struct handling.
16817         (function_arg):  Call rs6000_darwin64_record_arg.
16818         (function_arg_partial_nregs):  Handle darwin64 structs.
16819         (rs6000_darwin64_function_value):  Remove.
16820         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
16821
16822 2005-02-28  Roger Sayle  <roger@eyesopen.com>
16823
16824         PR tree-optimization/20216
16825         * tree-chrec.c (tree_fold_factorial): Delete.
16826         (tree_fold_binomial): Change argument list to take a return type
16827         and change the type of K to unsigned int.  Rewrite to avoid explicit
16828         evaluation of factorials, and (recursively) calling fold to perform
16829         compile-time arithmetic.  Return NULL on (internal) overflow.
16830         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
16831         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
16832         if any intermediate calculation overflows.
16833         (chrec_apply): Update call to chrec_evaluate.
16834
16835 2005-02-28  James E Wilson  <wilson@specifixinc.com>
16836
16837         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
16838
16839 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
16840
16841         PR c/20245
16842         * c-parser.c (c_parser_compound_statement): Return error_mark_node
16843         instead of NULL_TREE on error.
16844
16845 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
16846
16847         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
16848         (EASY_VECTOR_15_ADD_SELF): Remove.
16849         (num_insns_constant_wide): Not static.
16850         (validate_condition_mode): Not static.
16851         (toc_relative_expr_p): Not static.
16852         (legitimate_indirect_address_p): Not static.
16853         (macho_lo_sum_memory_operand): Not static.
16854         (invalid_e500_subreg): Not static.
16855         (easy_vector_same): Not static.
16856         (easy_vector_splat_const): Not static.
16857         (RS6000_SYMBOL_REF_TLS_P): Remove.
16858         (any_operand): Delete.
16859         (any_parallel_operand): Delete.
16860         (count_register_operand): Delete.
16861         (altivec_register_operand): Delete.
16862         (xer_operand): Delete.
16863         (s8bit_cint_operand): Delete.
16864         (short_cint_operand): Delete.
16865         (u_short_cint_operand): Delete.
16866         (non_short_cint_operand): Delete.
16867         (exact_log2_cint_operand): Delete.
16868         (gpc_reg_operand): Delete.
16869         (cc_reg_operand): Delete.
16870         (cc_reg_not_cr0_operand): Delete.
16871         (reg_or_short_operand): Delete.
16872         (reg_or_neg_short_operand): Delete.
16873         (reg_or_aligned_short_operand): Delete.
16874         (reg_or_u_short_operand): Delete.
16875         (reg_or_cint_operand): Delete.
16876         (reg_or_arith_cint_operand): Delete.
16877         (reg_or_add_cint64_operand): Delete.
16878         (reg_or_sub_cint64_operand): Delete.
16879         (reg_or_logical_cint_operand): Delete.
16880         (got_operand): Delete.
16881         (got_no_const_operand): Delete.
16882         (easy_fp_constant): Delete.
16883         (easy_vector_constant): Delete.
16884         (easy_vector_constant_add_self): Delete.
16885         (zero_constant): Delete.
16886         (zero_fp_constant): Delete.
16887         (volatile_mem_operand): Delete.
16888         (offsettable_mem_operand): Delete.
16889         (mem_or_easy_const_operand): Delete.
16890         (add_operand): Delete.
16891         (non_add_cint_operand): Delete.
16892         (logical_operand): Delete.
16893         (non_logical_cint_operand): Delete.
16894         (mask_operand): Delete.
16895         (mask_operand_wrap): Delete.
16896         (mask64_operand): Delete.
16897         (mask64_2_operand): Delete.
16898         (and64_operand): Delete.
16899         (and64_2_operand): Delete.
16900         (and_operand): Delete.
16901         (reg_or_mem_operand): Delete.
16902         (lwa_operand): Delete.
16903         (symbol_ref_operand): Delete.
16904         (call_operand): Delete.
16905         (current_file_function_operand): Delete.
16906         (input_operand): Delete.
16907         (rs6000_nonimmediate_operand): Delete.
16908         (rs6000_tls_symbol_ref): Delete.
16909         (save_world_operation): Delete.
16910         (restore_world_operation): Delete.
16911         (load_multiple_operation): Delete.
16912         (store_multiple_operation): Delete.
16913         (vrsave_operation): Delete.
16914         (mfcr_operation): Delete.
16915         (mtcrf_operation): Delete.
16916         (lmw_operation): Delete.
16917         (stmw_operation): Delete.
16918         (branch_comparison_operator): Delete.
16919         (branch_positive_comparison_operator): Delete.
16920         (scc_comparison_operator): Delete.
16921         (trap_comparison_operator): Delete.
16922         (boolean_operator): Delete.
16923         (boolean_or_operator): Delete.
16924         (min_max_operator): Delete.
16925         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
16926         (EASY_VECTOR_15): Moved to here.
16927         (EASY_VECTOR_15_ADD_SELF): Move to here.
16928         (PREDICATE_CODES): Delete.
16929         * config/rs6000/rs6000-protos.h: Delete predicate functions.
16930         Declare functions no longer static.
16931         * config/rs6000/predicates.md: New.
16932         * config/rs6000/rs6000.md: Include predicates.md
16933
16934 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
16935
16936         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
16937         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
16938         REG_ALWAYS_RETURN.
16939         * cfgrtl.c (need_fake_edge_p): Likewise.
16940         * combine.c (distribute_notes): Likewise.
16941         * emit-rtl.c (try_split): Likewise.
16942         * recog.c (peephole2_opimize): Likewise.
16943         * reg-notes.def (ALWAYS_RETURN): Remove.
16944         * rtl.h (LCT_ALWAYS_RETURN): Remove.
16945         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
16946         * tree.h (ECF_ALWAYS_RETURN): Remove.
16947
16948 2005-02-28  Roger Sayle  <roger@eyesopen.com>
16949
16950         PR middle-end/19874
16951         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
16952         between different machine modes is never a "useless" conversion.
16953
16954 2005-02-28  Geert Bosch  <bosch@gnat.com>
16955
16956         PR ada/15977
16957         * doc/contrib.texi: List contributors for Ada front end
16958
16959 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
16960
16961         * simplify-rtx.c (simplify_unary_operation_1,
16962         simplify_const_unary_operation): New, extracted from...
16963         (simplify_unary_operation): ... this one.
16964         (simplify_binary_operation_1,
16965         simplify_const_binary_operation): New, extracted from...
16966         (simplify_binary_operation): ... this one.
16967         * rtl.h (simplify_const_unary_operation,
16968         simplify_const_binary_operation): Add prototypes.
16969
16970 2005-02-28  Julian Brown  <julian@codesourcery.com>
16971
16972         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
16973         building libjava and caused PR regression/20228.
16974
16975 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
16976
16977         PR bootstrap/17383
16978         * Makefile.in (host_subdir): New.
16979         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
16980         * configure: Regenerate.
16981
16982 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
16983
16984         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
16985         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
16986         installation directory first.
16987
16988 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
16989
16990         PR target/19065.
16991         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
16992         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
16993         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
16994         * config/cris/cris.md: Tweak comments referring to Q.
16995         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
16996         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
16997         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
16998         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
16999         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
17000         Insert spaces in constraints to align alternatives vertically for
17001         readability.
17002         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
17003         operand 1: "M".
17004
17005 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
17006
17007         PR rtl-optimization/17728
17008         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
17009         operand 0 from general_operand to move_dest_operand.
17010
17011 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
17012
17013         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
17014         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
17015         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
17016         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
17017
17018 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
17019
17020         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
17021         * configure: Regenerate.
17022         * libada-mk.in: Remove CC; rename
17023         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
17024
17025 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
17026
17027         PR tree-opt/20188
17028         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
17029         for the lhs, also walk over the tree.  Likewise for rhs.
17030
17031 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
17032
17033         * tree-ssa-dom.c (simple_iv_increment_p): New function.
17034         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
17035         Do not propagate value of iv before increment over the increment.
17036
17037 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
17038
17039         * c-parser.c: New file.
17040         * c-parse.in: Remove.
17041         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
17042         Remove.
17043         (c-parser.o): Add dependencies.
17044         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
17045         maintainer-clean, TAGS): Update.
17046         * c-config-lang.in (gtfiles): Update.
17047         * gengtype-lex.l: Don't handle "@@".
17048         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
17049         objc_build_synchronized, objc_begin_try_stmt,
17050         objc_begin_catch_clause, objc_finish_catch_clause,
17051         objc_build_finally_clause, objc_finish_try_stmt): New.
17052         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
17053         type_seen_p.
17054         (c_parse_init): Update comment.
17055         * c-decl.c (c_init_decl_processing): Update comment.
17056         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
17057         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
17058         new c_declspecs members.
17059
17060 2005-02-25  Julian Brown  <julian@codesourcery.com>
17061
17062         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
17063         from being used for symbols with vague linkage when
17064         HAVE_GAS_COMDAT_GROUP is true.
17065
17066 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
17067
17068         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
17069
17070 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
17071
17072         PR target/19930
17073         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
17074         (LIBGCC2_HAS_DF_MODE): New.
17075         (LIBGCC2_HAS_XF_MODE): New.
17076         (LIBGCC2_HAS_TF_MODE): New.
17077         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
17078         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
17079         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
17080         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
17081         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
17082         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
17083         and add _fixtfdi, _fixunstfdi, _floatditf
17084         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
17085         L_fixunstfdi, L_floatditf.
17086         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
17087         (LIBGCC2_HAS_TF_MODE): Define.
17088
17089 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
17090
17091         PR tree-optimization/20204
17092         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
17093         REWRITE_THIS_STMT markers on PHI nodes.
17094         (rewrite_initialize_block): Likewise.
17095
17096 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
17097
17098         * version.c (version_string): Update to 4.1.
17099
17100 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
17101
17102         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
17103         Clarify that the alternative way doesn't work in GNU C++.
17104
17105 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
17106
17107         PR tree-optimization/19937
17108         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
17109         to the type of the induction variable.
17110
17111 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
17112
17113         PR rtl-optimization/20117
17114         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
17115         the block including noncopyable insn.
17116
17117 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
17118
17119         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
17120         calls to find_reg_note.
17121
17122 2005-02-24  Richard Henderson  <rth@redhat.com>
17123
17124         PR tree-opt/20127
17125         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
17126         the type.
17127
17128 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
17129
17130         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
17131         vector types if to use base reg for misaligned non-word ld/std.
17132
17133 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
17134
17135         PR target/14619
17136         * config/cris/cris.c (cris_target_asm_function_prologue): Create
17137         dwarf2 label manually and put it after, not before the prologue.
17138
17139 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
17140
17141         PR target/19019
17142         * reload.c (operands_match_p): Only increment register number for
17143         SCALAR_INT_MODE_P modes in multiple hard registers.
17144
17145         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
17146         Fix formatting.
17147
17148 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
17149
17150         * ChangeLog.5: Fix log message typo(s).
17151         * ChangeLog.7: Likewise.
17152         * ChangeLog.tree-ssa: Likewise.
17153         * cfgexpand.c: Fix comment typo(s).
17154         * conflict.c: Likewise.
17155         * defaults.h: Likewise.
17156         * dwarf2out.c: Likewise.
17157         * gcse.c: Likewise.
17158         * ggc-page.c: Likewise.
17159         * tree-eh.c: Likewise.
17160         * tree-ssa-dom.c: Likewise.
17161
17162 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
17163
17164         PR target/19019
17165         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
17166         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
17167         if SHARED is defined.
17168
17169         PR target/20196
17170         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
17171         allow splitting only if operands 0 and 3 don't overlap.
17172
17173 2005-02-24  Richard Henderson  <rth@redhat.com>
17174
17175         PR middle-end/19953
17176         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
17177         (fold_builtin_1): Call them.
17178         * fold-const.c (fold_complex_mult_parts): Split out from ...
17179         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
17180         (fold_complex_div_parts, fold_complex_div): New.
17181         (fold): Use them.
17182         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
17183
17184 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
17185
17186         * tree-ssa-ccp.c (visit_assignment): Verify that result of
17187         VIEW_CONVERT_EXPR is_gimple_min_invariant.
17188
17189         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
17190         (print_node): Likewise.
17191         Print TYPE_SIZES_GIMPLIFIED.
17192
17193 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
17194
17195         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
17196         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
17197         operands as commutative in constraints.
17198
17199 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
17200
17201         * tree-into-ssa.c: Re-organize internal functions.
17202
17203 2005-02-24  Richard Henderson  <rth@redhat.com>
17204
17205         PR middle-end/18902
17206         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
17207         for c99.
17208         * common.opt (fcx-limited-range): New.
17209         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
17210         * toplev.c (flag_complex_method): Initialize to 1.
17211         (process_options): Set flag_complex_method to 0 if
17212         flag_cx_limited_range.
17213         * doc/invoke.texi (-fcx-limited-range): New.
17214
17215 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
17216
17217         * cse.c (delete_trivially_dead_insns): Speed up by using
17218         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
17219         prev_real_insn.
17220
17221 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
17222
17223         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
17224         functions when -mid-shared-library is being used.
17225
17226 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
17227
17228         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
17229         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
17230         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
17231         * system.h: Poison LINK_LIBGCC_SPECIAL.
17232
17233 2005-02-23  James E Wilson  <wilson@specifixinc.com>
17234
17235         * gengtype.c (note_insn_name): Make 1 element larger.
17236
17237 2005-02-23  Roger Sayle  <roger@eyesopen.com>
17238
17239         PR target/20018
17240         PR rtl-optimization/20097
17241         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
17242         BImode SUBREGs of SImode registers which confuse the ia64 backend.
17243
17244 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
17245
17246         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
17247         * t-aix52 (SHLIB_INSTALL): Same.
17248
17249 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
17250
17251         * genpreds.c: Update copyright.
17252
17253 2005-02-23  Michael Beach  <michaelb@ieee.org>
17254
17255         PR target/20159
17256         * config/sparc/t-elf (startup files): Assemble with CPP.
17257
17258 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
17259
17260         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
17261         (write_predicate_expr): Likewise.
17262
17263 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
17264
17265         PR tree-optimization/20100
17266         PR tree-optimization/20115
17267         * tree-optimize.c (init_tree_optimization_passes): Remove
17268         pass_maybe_create_global_var.
17269         * tree-pass.h (pass_maybe_create_global_var): Remove.
17270         * tree-ssa-alias.c (aliases_computed_p): Declare.
17271         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
17272         (count_calls_and_maybe_create_global_var): Remove.
17273         (pass_maybe_create_global_var): Remove.
17274         (init_alias_info): Do not declare aliases_computed_p.
17275         (maybe_create_global_var): If the function contains no
17276         call-clobbered variables and a mix of pure/const and regular
17277         function calls, create .GLOBAL_VAR.
17278         Mark all call-clobbered variables for renaming.
17279         (merge_pointed_to_info): Update comment.
17280         (add_pointed_to_var): Likewise.
17281         (is_escape_site): Likewise.
17282         Accept struct alias_info * instead of size_t *.
17283         Update all users.
17284         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
17285         as necessary.
17286         * tree-ssa-operands.c (get_call_expr_operands): If
17287         ALIASES_COMPUTED_P is false, do not add call-clobbering
17288         operands.
17289         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
17290         (delete_tree_ssa): Likewise.
17291
17292 2005-02-22  James E Wilson  <wilson@specifixinc.com>
17293
17294         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
17295         (do_compile): Do call it here.
17296
17297 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
17298
17299         PR rtl-optimization/20017.
17300         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
17301         rest_of_handle_cse2, rest_of_handle_gcse): Call
17302         delete_dead_jumptables immediately before calling cleanup_cfg.
17303
17304 2005-02-22  Devang Patel  <dpatel@apple.com>
17305
17306         PR 19952
17307         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
17308         all labels
17309
17310 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
17311
17312         * config/rs6000/aix.h (WINT_TYPE): Define.
17313
17314 2005-02-22  Stan Shebs  <shebs@apple.com>
17315
17316         * config/rs6000/rs6000.c (rs6000_override_options): Default to
17317         natural alignment for 64-bit Darwin.
17318         (rs6000_parse_alignment_option): Warn about uses of -malign-power
17319         on 64-bit Darwin.
17320         * doc/invoke.texi: Document this.
17321
17322 2005-02-22  DJ Delorie  <dj@redhat.com>
17323
17324         * c-common.c (c_common_type_for_mode): Pass the mode's precision
17325         to make_[un]signed_type, not the mode itself.
17326
17327 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
17328
17329         * cfg.c (cached_make_edge): Call make_edge if edge cache is
17330         not available.  Use tail calls wherever possible.
17331         (make_edge): Call unchecked_make_edge to create an edge.
17332
17333         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
17334         (coalesce_ssa_name): Don't check for
17335         SSANORM_USE_COALESCE_LIST.
17336         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
17337
17338 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
17339
17340         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
17341         (rewrite_into_ssa): ... here.
17342
17343 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
17344
17345         PR tree-optimization/19786
17346         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
17347         tag to another's may-alias bitmap when adding to the other's list.
17348
17349 2005-02-21  DJ Delorie  <dj@redhat.com>
17350
17351         * tree-ssa-loop-ivopts.c (computation_cost): Start register
17352         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
17353         registers in unsupported ways.
17354         * expmed.c (init_expmed): Likewise.
17355
17356 2005-02-21  Stan Cox  <scox@redhat.com>
17357
17358         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
17359
17360 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
17361
17362         * tree-cfg.c (fold_cond_expr_cond): New.
17363         (make_edges): Call fold_cond_expr_cond.
17364         (find_taken_edge): Accept nothing but INTEGER_CST.
17365         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
17366         and 1.
17367         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
17368
17369         * flow.c (delete_dead_jumptables): Speed up by scanning insns
17370         that do not belong to any basic block.
17371
17372 2005-02-21  Jeff Law  <law@redhat.com>
17373
17374         * cfganal.c (find_unreachable_blocks): Manually CSE load of
17375         e->dest.
17376
17377 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
17378
17379         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
17380         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
17381         Adjust their definitions.
17382         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
17383         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
17384
17385         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
17386         genautomata.c, langhooks.c, langhooks.h, system.h,
17387         config/arm/lib1funcs.asm: Update copyright.
17388
17389 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
17390
17391         * dbxout.c (dbxout_function_end): Emit Lscope label always.
17392
17393 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
17394
17395         PR bootstrap/13770
17396         * doc/install.texi: Document --with-gc.
17397
17398 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
17399
17400         * simplify-rtx.c (simplify_unary_operation): Add a missing
17401         "break" statement.
17402
17403 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
17404
17405         PR tree-optimization/18663
17406         * tree-ssa-dom.c (extract_range_from_cond): Return 0
17407         if the type has variable bounds.
17408
17409 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
17410
17411         * gcse.c: Remove an obsolete comment.
17412
17413         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
17414
17415 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
17416
17417         * doc/extend.texi (Function Attributes) <Attribute const>: The
17418         attribute "pure" is below this text, not above.
17419
17420 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
17421
17422         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
17423         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
17424         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
17425
17426 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
17427
17428         PR 18785
17429         * langhooks.h (struct lang_hooks): Add to_target_charset.
17430         * langhooks.c (lhd_to_target_charset): New function.
17431         * langhooks-def.h: Declare lhd_to_target_charset.
17432         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
17433         (LANG_HOOKS_INITIALIZER): Update.
17434         * c-common.c (c_common_to_target_charset): New function.
17435         * c-common.h: Declare it.
17436         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
17437         c_common_to_target_charset.
17438
17439         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
17440         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
17441         Delete definitions.
17442         * system.h: Poison them.
17443         * doc/tm.texi: Don't discuss them.
17444         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
17445         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
17446         (pp_c_char): Do not attempt to generate letter escapes for
17447         newline, tab, etc.
17448         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
17449         * config/mips/mips.c (mips_output_ascii): Likewise.
17450
17451 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
17452
17453         PR tree-optimization/19951
17454         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
17455         is abnormal.
17456
17457 2005-02-19  Steven Bosscher  <stevenb@suse.de>
17458
17459         PR middle-end/19698
17460         * function.h (struct function): New field `max_loop_depth'.
17461         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
17462         (flow_loops_find): Reset the max loop depth count before finding loops.
17463         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
17464         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
17465         (calculate_global_regs_live): Make sure the loop will terminate
17466         when the initial sets are not empty.
17467
17468 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
17469
17470         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
17471         object inside.
17472         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
17473
17474 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
17475
17476         PR other/19525
17477         * doc/invoke.texi: Remove documentation of %M spec.
17478         * gcc.c: Likewise.
17479         (init_spec): Remove %M suffix from -lgcc_s.
17480         (do_spec_1): Remove 'M' case.
17481         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
17482         to put shared libraries in the multilib directory.  Remove the
17483         shlib_so_soname substitution variable.  Don't add a multilib encoding
17484         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
17485         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
17486         SHLIB_INSTALL as well as SHLIB_LINK.
17487         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
17488         (SHLIB_NAME): Delete.
17489         (SHLIB_DIR): New macro.
17490         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
17491         (SHLIB_INSTALL): Adjust accordingly.
17492         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
17493         * config/t-slibgcc-sld: Likewise.
17494         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
17495         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
17496         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
17497         in $(SHLIB_DIR).
17498         (SHLIBUNWIND_INSTALL): Adjust accordingly.
17499         * config/i386/t-nwld (SHLIB_SONAME): Delete.
17500         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
17501         Use @shlib_base_name@ instead of @shlib_so_name@.
17502         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
17503         and @shlib_base_name@.so in @multilib_dir@.
17504         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
17505         to the install path.
17506         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
17507         (SHLIB_LINK): Remove previous workaround.
17508         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
17509         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
17510         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
17511         the install path.
17512         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
17513         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
17514         (SHLIB_INSTALL): Adjust accordingly.
17515         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
17516         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
17517         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
17518         config/t-slibgcc-elf-ver.
17519
17520 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
17521             Jakub Jelinek  <jakub@redhat.com>
17522
17523         PR tree-optimization/19828
17524         * tree-ssa-loop-im.c: Add a TODO comment.
17525         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
17526         without side-effects.
17527
17528 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
17529
17530         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
17531         call fold_convert.
17532
17533 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
17534
17535         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
17536         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
17537         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
17538         functions.
17539         (ia64_reorg): Delete fixup_errata call.
17540         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
17541         (TARGET_SWITCHES): Delete -mb-step entry.
17542
17543 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
17544
17545         PR c/20043
17546         * c-typeck.c (composite_type): Handle quals in transparent unions.
17547         (type_lists_compatible_p): Likewise.
17548
17549 2005-02-18  Stan Shebs  <shebs@apple.com>
17550
17551         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
17552         expressions in the .literal8 section.
17553
17554 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
17555
17556         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
17557
17558 2005-02-18  Roger Sayle  <roger@eyesopen.com>
17559
17560         * fold-const.c (constant_boolean_node): Always create values of the
17561         specified type, don't bother calling truthvalue_conversion.
17562
17563 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
17564
17565         * except.c (output_function_exception_table): Call
17566         assemble_external_libcall (eh_personality_libfunc).
17567
17568 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
17569
17570         PR target/19886
17571         * config/ia64/ia64.h (struct machine_function): Add state_num.
17572         * config/ia64/ia64.c (process_epilogue,
17573         process_for_unwind_directive): Use new unwind state numbers each
17574         time rather than state 1.
17575
17576 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
17577
17578         PR target/20054
17579         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
17580         before the "*llgt_didi" pattern.
17581
17582 2005-02-18  Jason Merrill  <jason@redhat.com>
17583
17584         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
17585
17586 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
17587
17588         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
17589         (div0): Use it in place of ARM_FUNC_ALIAS.
17590         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
17591
17592 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
17593
17594         PR middle-end/20030
17595         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
17596         access, the lower bound of the array type if it exists.
17597
17598 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
17599
17600         PR c++/20008
17601         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
17602         cases that are out-of-range for the index type.
17603
17604 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
17605
17606         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
17607         (estimate_case_costs): Don't call convert.
17608         * expmed.c (expand_shift): Likewise.
17609         (make_tree): Call fold_convert instead of convert.
17610
17611 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
17612
17613         PR c++/19813
17614         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
17615         that ref to be marked MEM_READONLY_P doesn't have base that needs
17616         constructing.
17617
17618 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
17619
17620         * genautomata.c (output_get_cpu_unit_code_func,
17621         output_cpu_unit_reservation_p): Don't generate old-style function
17622         definitions.
17623
17624 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
17625
17626         PR c++/20023
17627         PR tree-optimization/20009
17628         * convert.c (convert_to_integer): Revert 2005-02-16 change.
17629
17630         PR tree-optimization/18947
17631         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
17632         inline, remove all nodes that are inlined into the extern inline
17633         being redefined.
17634
17635 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
17636
17637         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
17638         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
17639         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
17640         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
17641         Update copyright.
17642
17643 2005-02-17  Roger Sayle  <roger@eyesopen.com>
17644
17645         PR tree-optimization/19917
17646         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
17647         to be potentially trapping.
17648
17649 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
17650
17651         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
17652
17653 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
17654
17655         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
17656         tem becomes a local variable which is set to the value of the
17657         back end defined INITIAL_FRAME_ADDRESS macro.
17658         (expand_builtin_frame_address): Omit the base parameter to
17659         expand_builtin_return_addr.
17660         (expand_builtin_profile_func): Likewise.
17661         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
17662         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
17663         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
17664
17665 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
17666
17667         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
17668         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
17669         * config/frv/frv.c (frv_function_epilogue): Likewise.
17670
17671 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
17672
17673         * lambda-code (perfect_nestify): Remove mark/unmark
17674         for rewriting hack.
17675         * tree-loop-linear.c (linear_transform_loops): Add
17676         rewrite_into_ssa call so that ssa is correct for
17677         rewriting into loop closed.
17678
17679 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
17680
17681         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
17682         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
17683         BITMAP_FREE.
17684         * bt-load.c (btr_def_live_range, combine_btr_defs,
17685         migrate_btr_def, migrate_btr_defs): Likewise.
17686         * cfgcleanup.c (thread_jump): Likewise.
17687         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
17688         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
17689         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
17690         df_rd_local_compute, df_reg_info_compute): Likewise.
17691         * dominance.c (init_dom_info, free_dom_info): Likewise.
17692         * flow.c (init_propagate_block_info,
17693         free_propagate_block_info): Likewise.
17694         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
17695         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
17696         modify_reg_pav): Likewise.
17697         * loop-invariant.c (find_defs, find_invariant_insn,
17698         find_invariants, free_inv_motion_data): Likewise.
17699         * predict.c (tree_predict_by_opcode,
17700         estimate_bb_frequencies): Likewise.
17701         * stmt.c (expand_case): Likewise.
17702         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
17703         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
17704         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
17705         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
17706         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
17707         rewrite_ssa_into_ssa): Likewise.
17708         * tree-optimize.c (tree_rest_of_compilation): Likewise.
17709         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
17710         analyze_edges_for_bb, perform_edge_inserts): Likewise.
17711         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
17712         * tree-sra.c (tree_sra): Likewise.
17713         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
17714         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
17715         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
17716         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
17717         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
17718         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
17719         Likewise.
17720         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
17721         calculate_live_on_entry, calculate_live_on_exit,
17722         build_tree_conflict_graph): Likewise.
17723         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
17724         record_important_candidates, set_use_iv_cost, find_depends,
17725         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
17726         tree_ssa_iv_optimize_finalize): Likewise.
17727         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
17728         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
17729         tree_duplicate_loop_to_header_edge): Likewise.
17730         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
17731         * tree-ssa.c (verify_flow_insensitive_alias_info,
17732         verify_name_tags, verify_ssa, init_tree_ssa,
17733         delete_tree_ssa): Likewise.
17734         * tree-ssanames.c (marked_ssa_names, init_ssanames,
17735         fini_ssanames): Likewise.
17736         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
17737
17738 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
17739
17740         * config/rs6000/t-rtems: Completely reworked.
17741
17742 2005-02-17  Ira Rosen  <irar@il.ibm.com>
17743
17744         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
17745
17746 2005-02-17  Ira Rosen  <irar@il.ibm.com>
17747
17748         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
17749         POINTER_TYPE_P when checking that type is a pointer.
17750         (vect_get_memtag): Remove.
17751         (vect_address_analysis): Use POINTER_TYPE_P. Call
17752         vect_object_analysis with dummy parameter for memtag.
17753         (vect_object_analysis): Extract memtag (functionality that
17754         used to be in vect_get_memtag and moved here). Fix printings.
17755         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
17756         with correct parameters. Remove call to vect_get_memtag.
17757
17758 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
17759
17760         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
17761         (tree-vectorizer.o): Added missing dependencies.
17762
17763         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
17764         decleration.
17765         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
17766         declaration in tree-vectorizer.c, now has an extern declaration in
17767         tree-vectorizer.h).
17768         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
17769         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
17770         get_vectype_for_scalar_type, vect_is_simple_use,
17771         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
17772         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
17773         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
17774         vectorizable_store, vectorizable_operation, vectorizable_assignment,
17775         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
17776         find_loop_location): Likewise.
17777
17778         * tree-vectorizer.c (langhooks.h): #include removed.
17779         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
17780         moved to tree-vectorized.h.
17781         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
17782         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
17783         get_vectype_for_scalar_type, vect_is_simple_use,
17784         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
17785         vect_supportable_dr_alignment, new_loop_vec_info,
17786         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
17787         vect_set_verbosity_level, find_loop_location): Likewise.
17788
17789         (vect_analyze_loop): Function externalized. Declaration moved to
17790         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
17791         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
17792         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
17793         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
17794         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
17795         vect_enhance_data_refs_alignment, vect_analyze_operations,
17796         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
17797         vect_stmt_relevant_p, vect_get_loop_niters,
17798         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
17799         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
17800         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
17801         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
17802         vect_get_memtag): Likewise.
17803
17804         (vectorizable_load): Function externalized. Declaration moved to
17805         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
17806         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
17807         vect_transform_loop): Likewise.
17808         (vect_transform_stmt): Moved to tree-vect-transform.c.
17809         (vect_align_data_ref, vect_create_destination_var,
17810         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
17811         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
17812         vect_get_vec_def_for_operand, vect_init_vector,
17813         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
17814         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
17815         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
17816         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
17817         vect_do_peeling_for_loop_bound): Likewise.
17818
17819         * tree-vect-analyze.c: New file.
17820         * tree-vect-transform.c: New file.
17821
17822 2005-02-17  Jason Merrill  <jason@redhat.com>
17823
17824         PR mudflap/19319, c++/19317
17825         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
17826         slot explicit.
17827
17828 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
17829
17830         * doc/install.texi (Specific): Update link for Darwin-specific
17831         tool binary site.
17832
17833 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
17834
17835         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
17836         constant_boolean_node.
17837
17838 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
17839
17840         PR target/19019
17841         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
17842         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
17843
17844 2005-02-16  Richard Henderson  <rth@redhat.com>
17845
17846         PR 19920
17847         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
17848         with W_TYPE_SIZE.
17849         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
17850         replace uses with Wtype_MAXp1_F.
17851         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
17852         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
17853         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
17854         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
17855         and HAVE_TFMODE as appropriate.
17856         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
17857         (__floatdisf): Likewise.
17858         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
17859         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
17860         (Wtype_MAXp1_F): New.
17861         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
17862         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
17863
17864 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
17865
17866         * PR target/19162
17867         * arm.c (arm_apply_result_size): New function.
17868         * arm.h (APPLY_RESULT_SIZE): Define.
17869         * arm-protos.h (arm_apply_result_size): Add prototype.
17870         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
17871         (movxf): New expand.
17872         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
17873         (call_value_symbol): Remove predicate for operand 0.
17874         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
17875         (untyped_call): Rework to correclty return values for any type.
17876         (untyped_return): New expand.
17877         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
17878
17879 2005-02-16  Stan Shebs  <shebs@apple.com>
17880
17881         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
17882         * config/rs6000/t-darwin8: New, for 64-bit multilib.
17883
17884 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
17885
17886         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
17887         configure settings on Solaris 7 and later.
17888
17889 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
17890
17891         PR tree-optimization/19865
17892         * tree-optimize.c (init_tree_optimization_passes): Run
17893         pass_may_alias after pass_sra.
17894
17895 2005-02-16  Richard Henderson  <rth@redhat.com>
17896             Stuart Hastings  <stuart@apple.com>
17897
17898         PR debug/19521
17899         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
17900         Do nothing if debug info suppressed for this function.
17901         (dbxout_begin_function): Early exit if debug info suppressed for
17902         this function.
17903
17904 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
17905
17906         PR target/20007
17907         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
17908         find_basic_blocks.
17909         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
17910
17911         PR tree-optimization/19967
17912         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
17913         expand_builtin_strchr, expand_builtin_strrchr): Take a new
17914         argument TYPE.  Adjust calls to fold_builtin_XXX.
17915         (expand_builtin, fold_builtin_1): Adjust calls to
17916         expand_builtin_XXX.
17917         (fold_builtin_strchr, fold_builtin_strpbrk,
17918         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
17919         result to a requested type TYPE.
17920
17921 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
17922
17923         PR middle-end/19857
17924         * fold-const.c (fold): Don't optimize (T)(x & cst) to
17925         (T)x & (T)cst if (T)cst overflows.
17926         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
17927         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
17928
17929 2005-02-15  Jeff Law  <law@redhat.com>
17930
17931         * gcse.c (blocks_with_calls): New bitmap.
17932         (alloc_gcse_mem): Allocate it.
17933         (free_gcse_mem): Free it.
17934         (clear_modifY_mem_tables): Clear it.
17935         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
17936         when we encounter CALL_INSNs.
17937         (compute_transp, case MEM): Handle blocks with calls separate
17938         from blocks without calls.  Use bitmap iterators rather than
17939         FOR_EACH_BB.
17940
17941 2005-02-15  Peter O'Gorman  <peter@pogma.com>
17942
17943         PR bootstrap/18810
17944         * mklibgcc.in (vis_hide): Use a temporary object file, not
17945         -o /dev/null.
17946
17947 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
17948
17949         PR target/19924
17950         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
17951         access optimization.
17952
17953 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
17954             Alan Modra  <amodra@bigpond.net.au>
17955
17956         PR target/19019
17957         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
17958         (_xlqsub): Rename to __gcc_qsub.
17959         (_xlqmul): Rename to __gcc_qmul.
17960         (_xlqdiv): Rename to __gcc_qdiv.
17961         Provide versioned symbol aliases with old names.
17962         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
17963         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
17964         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
17965         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
17966         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
17967
17968 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
17969
17970         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
17971         Fold ~(A - 1) and ~(A + -1) to -A.
17972
17973 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
17974
17975         PR pch/14940
17976         PR target/19300
17977         * config/host-linux.c (linux_gt_pch_use_address): Copy from
17978         config/pa/pa-host.c:pa_gt_pch_use_address.
17979
17980 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
17981
17982         * tree-vn.c (get_value_handle): Make sure that given an
17983         is_gimple_min_invariant expression, we always return it.
17984
17985 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
17986
17987         * passes.c (rest_of_handle_gcse): Fix a comment.
17988
17989 2005-02-15  Jeff Law  <law@redhat.com>
17990
17991         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
17992         bitmap.
17993         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
17994         (canon_list_insert, record_last_mem_set_info): Similarly.
17995         (clear_modify_mem_tables): Similarly.
17996
17997 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
17998
17999         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
18000         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
18001         config/mips/mips.md, config/rs6000/aix.h,
18002         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
18003
18004 2005-02-15  Richard Henderson  <rth@redhat.com>
18005
18006         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
18007         call to be best_edge.
18008
18009 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
18010
18011         * basic-block.h: Adjust the prototype for find_basic_blocks.
18012         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
18013         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
18014         find_basic_blocks.
18015
18016         * flow.c (recompute_reg_usage): Remove all arguments.
18017         * passes.c (rest_of_compilation): Adjust the call to
18018         recompute_reg_usage.
18019         * rtl.h: Adjust the prototype for recompute_reg_usage.
18020
18021 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
18022
18023         * tree-dump.c (dump_files): Update to reflect new member
18024         of dump_file_info.
18025         (dump_register): Add new argument.
18026         Set glob name.
18027         (dump_switch_p_1): Check against glob name if doglob was passed.
18028         (dump_switch_p): Check against regular first, then glob if
18029         we didn't have any hits on the dump name.
18030         * tree-optimize.c (register_one_dump_file):
18031         Pass in glob name as well.
18032         * tree-pass.h (struct dump_file_info): Add glob
18033         member.
18034
18035 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
18036
18037         PR preprocessor/16323
18038         * doc/invoke.texi: Document that -Wendif-labels is on by default.
18039
18040 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
18041
18042         PR target/19019
18043         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
18044         (trunctfdf2_internal1): New.
18045         (trunctfdf2_internal2): Renamed from trunctfdf2.
18046
18047 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
18048
18049         PR tree-optimization/19853
18050         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
18051
18052 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
18053
18054         * passes.c (rest_of_handle_loop_optimize): Remove calls to
18055         delete_dead_jumptables and cleanup_cfg.
18056
18057 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
18058
18059         * reload.c (find_reloads): Swap address_reloaded flags when
18060         swapping commutative operands.
18061
18062 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
18063
18064         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
18065         Use standard_iv_increment_position for computing the bsi position
18066         for create_iv.
18067         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
18068         the bsi position.
18069
18070 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
18071
18072         PR target/17428
18073         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
18074         life range of hard registers.
18075         * value-prof.c (insn_prefetch_values_to_profile): Only
18076         scan normal insns.
18077
18078         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
18079         profile in libcalls.
18080
18081 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
18082
18083         * bitmap.h (bitmap_and_compl_into): Return bool.
18084         * bitmap.c (bitmap_and_compl_into): Return changed flag.
18085
18086 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
18087
18088         PR tree-optimization/19944
18089         * fold-const.c (fold): Re-add ABS_EXPR folding.
18090
18091 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
18092
18093         PR target/19019
18094         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
18095         {TARGET,MASK}_XL_COMPAT.
18096         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
18097         MASK_XL_COMPAT.
18098         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
18099         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
18100         TARGET_XL_COMPAT.
18101         (rs6000_arg_partial_bytes): Same.
18102         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
18103         and XL compatibility enabled.
18104         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
18105         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
18106         test to final condition.
18107         (cmptf_internal2): New.
18108         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
18109         xl-compat.  Add TFmode information to description.
18110
18111 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
18112
18113         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
18114
18115 2005-02-13  Jason Merrill  <jason@redhat.com>
18116
18117         PR c++/16405
18118         * fold-const.c (fold_indirect_ref_1): Split out from...
18119         (build_fold_indirect_ref): Here.
18120         (fold_indirect_ref): New fn.
18121         * tree.h: Declare it.
18122         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
18123         (gimplify_modify_expr_rhs): Likewise.
18124         (gimplify_expr): Likewise.
18125
18126 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
18127
18128         PR tree-optimization/14303
18129         PR tree-optimization/15784
18130         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
18131         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
18132         ABS_EXPR<x> != 0 to x != 0.
18133
18134 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
18135
18136         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
18137         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
18138         spelling conventions.
18139
18140         * passes.c (rest_of_handle_gcse): Don't run cse_main and
18141         delete_trivially_dead_insns too many times.
18142
18143         * passes.c (rest_of_handle_gcse): Remove dead assignments to
18144         tem and tem2.
18145
18146 2005-02-12  Ira Rosen  <irar@il.ibm.com>
18147
18148         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
18149         (vect_is_simple_iv_evolution): Remove redundant parameter
18150         and step check.
18151         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
18152         without last parameter.
18153         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
18154         Return pointer step. Call vect_is_simple_iv_evolution without
18155         last parameter. Check only that the step is multiple of size
18156         type. Remove stmt_vinfo updates.
18157         (vect_get_memtag_and_dr): Remove.
18158         (vect_get_memtag): New function.
18159         (vect_address_analysis): New function.
18160         (vect_object_analysis): New function.
18161         (vect_analyze_data_refs): Call vect_object_analysis and
18162         vect_get_memtag. Update stmt_vinfo fields.
18163
18164 2005-02-12  Ira Rosen  <irar@il.ibm.com>
18165
18166         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
18167         exist and are objects. Remove checks for pointer.
18168         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
18169         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
18170         (vect_create_data_ref_ptr): Likewise.
18171         (vect_base_addr_differ_p): New function.
18172         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
18173         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
18174         Don't set the DR_BASE_NAME field of data-ref.
18175         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
18176
18177 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
18178
18179         * optabs.h (enum optab_index): Add new OTI_ldexp.
18180         (ldexp_optab): Define corresponding macro.
18181         * optabs.c (init_optabs): Initialize ldexp_optab.
18182         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
18183         patterns.
18184         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
18185         using ldexp_optab.
18186         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
18187         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
18188
18189         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
18190         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
18191         intrinsics.
18192
18193 2005-02-12  Ira Rosen  <irar@il.ibm.com>
18194
18195         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
18196         to base_address.
18197         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
18198         stmt_vec_info.
18199         (vect_get_base_and_offset): Always return an address.
18200         (vect_create_addr_base_for_vector_ref): Remove treatment for
18201         different data reference types.
18202         (vect_compute_data_ref_alignment): Rename base to base_address in
18203         stmt_vec_info. Get the object in order to force its alignment.
18204         (vect_get_memtag_and_dr): Rename base to base_address in
18205         stmt_vec_info. Extract the object for memtag analysis.
18206
18207 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
18208
18209         PR regression/19898.
18210         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
18211         changes cc_status, use apply modified_in_p to part of cc_status
18212         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
18213         body.
18214
18215 2005-02-11  Richard Henderson  <rth@redhat.com>
18216
18217         * tree-complex.c (expand_complex_libcall): New.
18218         (expand_complex_multiplication): Use it for c99 compliance.
18219         (expand_complex_division): Likewise.
18220         * fold-const.c (fold_complex_add, fold_complex_mult): New.
18221         (fold): Call them.
18222         * builtins.c (built_in_names): Remove const.
18223         * tree.c (build_common_builtin_nodes): Build complex arithmetic
18224         builtins.
18225         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
18226         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
18227         (built_in_names): Remove const.
18228         * c-common.c (c_common_type_for_mode): Handle complex modes.
18229         * flags.h, toplev.c (flag_complex_method): Rename from
18230         flag_complex_divide_method.
18231         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
18232         __mulsc3, __muldc3, __mulxc3, __multc3): New.
18233         * libgcc2.h: Declare them.
18234         * libgcc-std.ver: Export them.
18235         * mklibgcc.in (lib2funcs): Build them.
18236
18237 2005-02-11  Steven Bosscher  <stevenb@suse.de>
18238
18239         PR tree-optimization/19876
18240         Partially revert my change from 2005-01-14
18241         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
18242         (compute_antic): ...and remove the loop here.
18243
18244 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
18245
18246         PR middle-end/19858
18247         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
18248         is number of inner's bits, avoid creating a BIT_FIELD_REF.
18249
18250         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
18251         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
18252
18253 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
18254
18255         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
18256         offsets for the big-endian 32-bit case.
18257
18258 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
18259
18260         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
18261
18262 2005-02-11  Dale Johannesen  <dalej@apple.com>
18263
18264         * cselib.c (cselib_process_insn):  Clear out regs where
18265         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
18266         * reload.c (find_equiv_reg): Ditto.
18267
18268 2005-02-11  Ian Lance Taylor  <ian@airs.com>
18269
18270         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
18271         with no elements.
18272
18273         * tree.c (build_function_type_list): Work correctly if there are
18274         no arguments.
18275
18276 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
18277
18278         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
18279         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
18280         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
18281         TARGET_ZARCH instead of TARGET_64BIT.
18282
18283 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
18284
18285         * config/rs6000/t-rtems:
18286         (MULTILIB_OPTIONS): Remove mcpu=602.
18287         (MUTLILIB_DIRNAMES): Remove m602.
18288         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
18289         Let mcpu=602 match mcpu=603.
18290         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
18291
18292 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
18293
18294         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
18295         signal trampolines.
18296
18297 2005-02-10  David Daney  <ddaney@avtrex.com>
18298
18299         * config/alpha/linux-unwind.h: Add exception clause to copyright.
18300         * config/i386/linux-unwind.h: Likewise.
18301         * config/ia64/linux-unwind.h: Likewise.
18302         * config/mips/linux-unwind.h: Likewise.
18303         * config/pa/linux-unwind.h: Likewise.
18304         * config/rs6000/linux-unwind.h: Likewise.
18305         * config/s390/linux-unwind.h: Likewise.
18306         * config/sh/linux-unwind.h: Likewise.
18307         * config/sparc/linux-unwind.h: Likewise.
18308
18309 2005-02-10  Steven Bosscher  <stevenb@suse.de>
18310
18311         PR tree-optimization/17549
18312         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
18313         TER to replace a DEF with its expression if the DEF and the
18314         rhs of the expression we replace into have the same root
18315         variable.
18316
18317 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
18318
18319         * config/mips/mips.md: Fix the placement of the match_scratch in the
18320         lea64 peephole2.
18321
18322 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
18323
18324         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
18325         Fix comment typos.
18326
18327 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
18328
18329         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
18330         (strip_offset): Handle addresses.
18331         (add_address_candidates): Use strip_offset.
18332         (difference_cost): Reflect strip_offset change.
18333         (force_var_cost, difference_cost): Strip nops.
18334
18335 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
18336
18337         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
18338
18339         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
18340         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
18341         config/cris/cris-protos.h, config/cris/cris.c: Update
18342         copyright.
18343
18344 2005-02-10  Jeff Law  <law@redhat.com>
18345
18346         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
18347         (lookup_avail_expr): Similarly.
18348
18349 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
18350
18351         * builtins.c (fold_builtin_powi): New function.
18352         (fold_builtin_1): Call it.
18353
18354 2005-02-10  Steven Bosscher  <stevenb@suse.de>
18355
18356         PR documentation/19309
18357         * doc/cpp.texi: The __GNUC__ and related predefined macros
18358         are also defined for the "standalone" cpp.
18359         Some non-GCC compilers may also define __GNUC__.
18360
18361 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
18362
18363         PR c/19342
18364         * c-typeck.c (common_type): New routine.  Old common_type renamed
18365         to...
18366         (c_common_type): ...this.
18367         (build_conditional_expr, build_binary_op): Use c_common_type instead
18368         of common_type.
18369
18370 2005-02-10  Steven Bosscher  <stevenb@suse.de>
18371
18372         * doc/md.texi: Replace @samp{length} with @code{length}.
18373
18374 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
18375
18376         PR tree-optimization/18687
18377         * tree-flow.h (find_loop_niter): Declare.
18378         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
18379         Try using scev even for loops with more than one exit.
18380         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
18381         (struct ivopts_data): Added niters field.
18382         (struct nfe_cache_elt): New.
18383         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
18384         functions.
18385         (tree_ssa_iv_optimize_init): Initialize niters cache.
18386         (determine_number_of_iterations): Removed.
18387         (find_induction_variables): Do not call determine_number_of_iterations.
18388         Access niters for single exit through niter_for_single_dom_exit.
18389         (add_iv_outer_candidates): Access niters for single exit through
18390         niter_for_single_dom_exit.
18391         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
18392         number_of_iterations_cond.
18393         (iv_period): New function.
18394         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
18395         (may_replace_final_value): Take data argument.  Use
18396         niter_for_single_dom_exit.
18397         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
18398         (rewrite_use_compare): Pass data to may_eliminate_iv.
18399         (rewrite_use_outer): Pass data to may_replace_final_value.
18400         (free_loop_data): Clean up the niters cache.
18401         (tree_ssa_iv_optimize_finalize): Free the niters cache.
18402         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
18403         * tree-ssa-loop-niter.c (find_loop_niter): New function.
18404         (find_loop_niter_by_eval): Use tree_int_cst_lt.
18405         (num_ending_zeros): Moved to tree.c.
18406         * tree.h (num_ending_zeros): Declare.
18407         * tree.c (num_ending_zeros): Moved from tree.c.
18408
18409 2005-02-09  Richard Henderson  <rth@redhat.com>
18410
18411         * builtins.c (DEF_BUILTIN): Add COND argument.
18412         * tree.h (DEF_BUILTIN): Likewise.
18413         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
18414         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
18415         match.
18416         (DEF_BUILTIN_STUB): New.
18417         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
18418         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
18419         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
18420         * c-common.c (DEF_BUILTIN): Add COND argument.
18421         * tree.c (local_define_builtin): New.
18422         (build_common_builtin_nodes): New.
18423
18424 2005-02-09  Roger Sayle  <roger@eyesopen.com>
18425
18426         * fold-const.c (fold_strip_sign_ops): New function to simplify a
18427         floating point expression ignoring the sign of the result.
18428         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
18429         (fold) <MULT_EXPR>: Use it to simplify x*x.
18430         * tree.h (fold_strip_sign_ops): Prototype here.
18431         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
18432         argument.  Use fold_strip_sign_ops to simplify the first argument.
18433         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
18434         first argument when the second argument is an even integer
18435         constant, but only with -funsafe_math_optimizations.
18436         (fold_builtin_1): Update call to fold_builtin_copysign.
18437
18438 2005-02-09  Ian Lance Taylor  <ian@airs.com>
18439
18440         PR middle-end/19583
18441         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
18442         just check whether EH_FILTER_FAILURE falls through.
18443
18444 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
18445
18446         * gcc/haifa-sched.c (schedule_block): Make queued sched group
18447         insns return to ready list in the next turn.
18448
18449 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
18450
18451         PR middle-end/19402
18452         * builtins.def: New __builtin_powi[lf].
18453         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
18454         (expand_builtin_powi): New function.
18455         (expand_builtin): Dispatch to expand_builtin_powi.
18456         * libgcc2.h: Add prototypes for __builtin_powi[lf].
18457         * libgcc2.c: Add __builtin_powi[lf] implementation.
18458         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
18459         * optabs.h: Add powi_optab.
18460         * optabs.c (init_optabs): Initialize powi_optab.
18461         * doc/extend.texi: Document __builtin_powi[lf].
18462
18463 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
18464
18465         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
18466         exists.
18467
18468 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
18469
18470         PR middle-end/19854
18471         * fold-const.c (try_move_mult_to_index): Remove redundant
18472         type argument.  Create ADDR_EXPR with correct type.
18473         (fold): Update callers of try_move_mult_to_index.  Convert
18474         result to the appropriate type.
18475
18476 2005-02-09  Roger Sayle  <roger@eyesopen.com>
18477
18478         PR target/19597
18479         * config/avr/avr.c (default_rtx_costs): Delete.
18480         (avr_operand_rtx_cost): New function.
18481         (avr_rtx_costs): Completely rewrite.
18482
18483 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
18484
18485         PR target/19806
18486         * config/cris/cris.c (in_code): New variable.
18487         (cris_output_addr_const): Now a static function, a wrapper for
18488         output_addr_const.
18489         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
18490         case from old cris_output_addr_const.
18491         (cris_asm_output_label_ref): Similar for LABEL_REF.
18492         (cris_output_addr_const_extra): Similar for UNSPEC.
18493         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
18494         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
18495         * config/cris/cris-protos.h (cris_output_addr_const): Remove
18496         declaration.
18497         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
18498         (cris_asm_output_label_ref): Declare.
18499
18500 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
18501
18502         PR preprocessor/19801
18503         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
18504         filenames that changed when libcpp was moved to the toplevel.
18505
18506 2005-02-07  Roger Sayle  <roger@eyesopen.com>
18507
18508         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
18509         zero extensions of BImode operands.  Call lowpart_subreg instead
18510         of gen_lowpart_common and gen_lowpart_SUBREG.
18511
18512 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
18513
18514         PR ada/19489
18515         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
18516         * configure.ac: Set cc_for_cross_gnattools.
18517         * configure: Regenerate.
18518
18519 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
18520
18521         PR target/19803
18522         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
18523
18524 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
18525
18526         PR debug/19327
18527         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
18528         of nested functions.
18529
18530 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
18531
18532         * doc/extend.texi: Document deprecated extensions allowing
18533         static floating-point members to have initializers and allowing
18534         floating-point literals in integral constant expressions.
18535
18536 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
18537
18538         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
18539         config/darwin7.h, config/mips/mips.c,
18540         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
18541         Update copyright.
18542
18543         * cse.c: Update comments.
18544
18545 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
18546
18547         PR middle-end/19775
18548         * builtins.c (fold_builtin_sqrt): Transform
18549         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
18550         pow(x,y*0.5).
18551
18552 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
18553             Dorit Naishlos  <dorit@il.ibm.com>
18554
18555         * doc/invoke.texi (ftree-vectorizer-verbose): New.
18556         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
18557         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
18558         was added.
18559         * tree.h (vect_set_verbosity_level): New extern function declaration
18560         added.
18561         * tree-vectorizer.h (verbosity_levels): New enum type.
18562         * tree-vectorizer.c (vect_debug_stats): Function removed.
18563         (vect_debug_details): Likewise.
18564         (vect_verbosity_level): Global variable was defined and initialized.
18565         (vect_dump): Global variable definition.
18566         (vect_print_dump_info): New function.
18567         (vect_set_dump_settings): New function.
18568         (vect_set_verbosity_level): New function.
18569         (vectorize_loops): Add call to vect_set_dump_settings.
18570
18571         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
18572         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
18573         (slpeel_tree_peel_loop_to_edge): Likewise.
18574
18575         (vect_analyze_offset_expr): Call to vect_print_dump_info with
18576         appropriate verbosity level instead of call to vect_debug_details
18577         or vect_debug_stats.
18578         (vect_get_base_and_offset):
18579         (vect_create_addr_base_for_vector_ref):
18580         (get_vectype_for_scalar_type):
18581         (vect_create_data_ref_ptr):
18582         (vect_init_vector):
18583         (vect_get_vec_def_for_operand):
18584         (vect_finish_stmt_generation):
18585         (vectorizable_assignment):
18586         (vectorizable_operation):
18587         (vectorizable_store):
18588         (vectorizable_load):
18589         (vect_transform_stmt):
18590         (vect_update_ivs_after_vectorizer):
18591         (vect_do_peeling_for_loop_bound):
18592         (vect_update_inits_of_drs):
18593         (vect_do_peeling_for_alignment):
18594         (vect_transform_loop):
18595         (vect_is_simple_use):
18596         (vect_analyze_operations):
18597         (vect_is_simple_iv_evolution):
18598         (vect_analyze_scalar_cycles):
18599         (vect_analyze_data_ref_dependence):
18600         (vect_analyze_data_ref_dependences):
18601         (vect_compute_data_ref_alignment):
18602         (vect_enhance_data_refs_alignment):
18603         (vect_analyze_data_refs_alignment):
18604         (vect_analyze_data_ref_access):
18605         (vect_analyze_data_ref_accesses):
18606         (vect_analyze_pointer_ref_access):
18607         (vect_get_memtag_and_dr):
18608         (vect_analyze_data_refs):
18609         (vect_mark_relevant):
18610         (vect_stmt_relevant_p):
18611         (vect_mark_stmts_to_be_vectorized):
18612         (vect_can_advance_ivs_p):
18613         (vect_get_loop_niters):
18614         (vect_analyze_loop_form):
18615         (vect_analyze_loop):
18616         (vectorize_loops): Likewise.
18617
18618         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
18619         (vect_update_inits_of_drs):
18620         (vect_do_peeling_for_alignment):
18621         (vect_transform_loop):
18622         (vect_analyze_operations):
18623         (vect_analyze_scalar_cycles):
18624         (vect_analyze_data_ref_dependences):
18625         (vect_analyze_data_refs_alignment):
18626         (vect_analyze_data_ref_accesses):
18627         (vect_analyze_data_refs):
18628         (vect_mark_stmts_to_be_vectorized):
18629         (vect_get_loop_niters):
18630         (vect_analyze_loop_form):
18631         (vect_analyze_loop): Likewise.
18632         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
18633
18634 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
18635
18636         PR bootstrap/19796
18637         Revert:
18638         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
18639         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
18640         either -ffast-math or -funsafe-math-optimizations is in use.
18641
18642         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
18643         * config/mips/irix-csr.c: New file.
18644         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
18645         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
18646         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
18647         executables.
18648
18649 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
18650
18651         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
18652         redundant, incorrect definitions.
18653
18654         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
18655         expand.
18656         ("*tls_indirect_call"): New, reference hard regs directly.
18657         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
18658
18659 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
18660
18661         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
18662         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
18663
18664 2005-02-06  Roger Sayle  <roger@eyesopen.com>
18665
18666         PR rtl-optimization/19800
18667         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
18668         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
18669         gen_lowpart.
18670
18671 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
18672
18673         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
18674
18675 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
18676
18677         PR other/17135
18678         * doc/invoke.texi: Correct documentation of -freorder-functions.
18679
18680 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
18681
18682         PR other/14402
18683         * doc/invoke.texi: Don't mention gccbug.
18684
18685 2005-02-06  Roger Sayle  <roger@eyesopen.com>
18686             Andrew Pinski  <pinskia@physics.uc.edu>
18687             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
18688
18689         * simplify-rtx.c (simplify_relational_operation_1): Simplify
18690         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
18691         into just (zero_extract:SI FOO (const_int 1) BAR).
18692
18693 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
18694
18695         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
18696         macro locally.  Don't give last revision date.  Use GCC version
18697         number from gcc-common.texi.
18698         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
18699         revision date.  Use GCC version number from gcc-common.texi.
18700         Describe being a library as current state rather than as 3.x
18701         history.
18702         * doc/gcc.texi: Remove last update date.
18703         * doc/gccint.texi: Likewise.  Update copyright dates.
18704         * doc/install.texi: Update copyright dates.
18705
18706 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
18707
18708         PR other/7549
18709         * doc/invoke.texi: Mention for each option included in -Wall that
18710         it is included in -Wall.
18711         * doc/gcc.texi: Update copyright and last modification date.
18712
18713 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
18714
18715         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
18716         unnecessary cast to original induction variable increments.
18717
18718 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
18719
18720         PR tree-optimization/18219
18721         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
18722         in distributed form.
18723
18724 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
18725
18726         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
18727         Set bitpos and offset later in the function.  Do nothing if the
18728         target is a register and if the bitfield lies completely outside
18729         that register.
18730         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
18731         here.  Return an uninitialised register if the source value is stored
18732         in a register and the bitfield lies completely outside that register.
18733
18734 2005-02-06  Steven Bosscher  <stevenb@suse.de>
18735
18736         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
18737         not SET_DEST.
18738
18739 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
18740
18741         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
18742
18743 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
18744
18745         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
18746         * config/darwin8.h: New.
18747         * config/darwin7.h: Update comment.
18748
18749 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
18750             Dorit Naishlos  <dorit@il.ibm.com>
18751
18752         * tree-vectorizer.h (LOC): New type.
18753         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
18754         (loop_line_number): New field in struct _loop_vec_info.
18755         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
18756
18757         * tree-vectorizer.c (input.h): Included.
18758         (find_loop_location): New function.
18759         (vect_debug_stats): Argument changed from loop to LOC. Computation of
18760         loop line number removed.
18761         (vect_debug_details): Likewise.
18762         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
18763
18764         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
18765         call to vect_debug_details/stats changed from loop to loop_loc.
18766         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
18767         (slpeel_tree_peel_loop_to_edge): Likewise.
18768
18769         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
18770         changed from NULL to UNKNOWN_LOC.
18771         (vect_get_base_and_offset):
18772         (vect_create_addr_base_for_vector_ref):
18773         (get_vectype_for_scalar_type):
18774         (vect_create_data_ref_ptr):
18775         (vect_init_vector):
18776         (vect_get_vec_def_for_operand):
18777         (vect_finish_stmt_generation):
18778         (vectorizable_assignment):
18779         (vectorizable_operation):
18780         (vectorizable_store):
18781         (vectorizable_load):
18782         (vect_transform_stmt):
18783         (vect_update_ivs_after_vectorizer):
18784         (vect_do_peeling_for_loop_bound):
18785         (vect_do_peeling_for_alignment):
18786         (vect_transform_loop):
18787         (vect_is_simple_use):
18788         (vect_analyze_operations):
18789         (vect_is_simple_iv_evolution):
18790         (vect_analyze_scalar_cycles):
18791         (vect_analyze_data_ref_dependences):
18792         (vect_compute_data_ref_alignment):
18793         (vect_enhance_data_refs_alignment):
18794         (vect_analyze_data_ref_access):
18795         (vect_analyze_data_ref_accesses):
18796         (vect_analyze_pointer_ref_access):
18797         (vect_get_memtag_and_dr):
18798         (vect_analyze_data_refs):
18799         (vect_mark_relevant):
18800         (vect_stmt_relevant_p):
18801         (vect_mark_stmts_to_be_vectorized):
18802         (vect_can_advance_ivs_p):
18803         (vect_get_loop_niters):
18804         (vect_analyze_loop):
18805         (vectorize_loops): Likewise.
18806
18807         (vectorizable_load): Argument in call to vect_debug_details/stats
18808         changed from loop to LOOP_LOC (loop_vinfo).
18809         (vect_transform_loop):
18810         (vect_analyze_operations):
18811         (vect_analyze_scalar_cycles):
18812         (vect_analyze_data_ref_dependence):
18813         (vect_enhance_data_refs_alignment):
18814         (vect_analyze_data_ref_accesses):
18815         (vect_analyze_pointer_ref_access):
18816         (vect_analyze_data_refs):
18817         (vect_analyze_loop): Likewise.
18818
18819         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
18820         changed from loop to loop_loc.
18821
18822         (vect_enhance_data_refs_alignment): Removed unused variable loop.
18823
18824 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
18825             Dorit Naishlos  <dorit@il.ibm.com>
18826
18827         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
18828         declaration added.
18829         (vect_analyze_data_ref_dependences): Likewise.
18830
18831         (vect_is_simple_use): Argument changed from loop structure to
18832         loop_vect_info structure.
18833         (vect_can_advance_ivs_p): Likewise.
18834         (vect_create_index_for_vector_ref): Likewise.
18835         (vect_update_ivs_after_vectorizer): Likewise.
18836         (new_stmt_vec_info): Likewise.
18837
18838         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
18839         changed from loop to loop_vinfo.
18840         (vect_create_data_ref_ptr): First argument in call to
18841         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
18842         (vectorizable_assignment): Second argument in call to vect_is_simple_use
18843         was changed from loop to loop_vinfo.
18844         (vectorizable_operation): Likewise.
18845         (vectorizable_store): Likewise.
18846         (vect_mark_stmts_to_be_vectorized): Likewise.
18847         (vect_do_peeling_for_loop_bound): First argument in call to
18848         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
18849         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
18850         was changed from loop to loop_vinfo.
18851         (vect_analyze_data_ref_dependences): Third argument in call to
18852         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
18853
18854         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
18855         (vect_create_data_ref_ptr): Likewise.
18856         (vect_init_vector): Likewise.
18857         (vect_get_vec_def_for_operand): Likewise.
18858         (vectorizable_assignment): Likewise.
18859         (vectorizable_operation): Likewise.
18860         (vectorizable_store): Likewise.
18861         (vectorizable_load): Likewise.
18862         (vect_update_ivs_after_vectorizer): Likewise.
18863         (vect_is_simple_use): Likewise.
18864         (vect_analyze_data_ref_dependence): Likewise.
18865         (vect_analyze_pointer_ref_access): Likewise.
18866         (vect_can_advance_ivs_p): Likewise.
18867
18868         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
18869         before _stmt_vec_info.
18870         (_stmt_vec_info): Loop field replaced by loop_vec_info.
18871         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
18872         (new_stmt_vec_info): Argument changed from loop structure to
18873         loop_vect_info structure
18874
18875         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
18876         (vect_analyze_offset_expr): Avoid 80 columns overflow.
18877         (vect_create_addr_base_for_vector_ref): Likewise.
18878         (vect_analyze_pointer_ref_access): Likewise.
18879
18880 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
18881
18882         PR tree-opt/19768
18883         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
18884         phi flag if the phi is abnormal.
18885
18886 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
18887
18888         PR tree-opt/19736
18889         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
18890         information for the new statement.
18891
18892 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
18893
18894         PR driver/19117
18895         * gcc.c (main): Include the target in -v output.
18896
18897 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
18898
18899         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
18900         Do not drop the extend if we'd have to add a paradoxical subreg
18901         later.  Include optabs.h and insn-codes.h.
18902         * Makefile.in (combine.o): Depend on $(OPTABS_H).
18903
18904 2005-02-02  Roger Sayle  <roger@eyesopen.com>
18905
18906         PR middle-end/19405
18907         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
18908         * fold-const.c (const_binop): Avoid constant folding floating
18909         point operations in modes that use composite representations.
18910         * simplify-rtx.c (simplify_binary_operation): Likewise.
18911
18912 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
18913
18914         * config/rs6000/altivec.md (altivec_dst): Make the first operand
18915         a REG, not a MEM.
18916         (altivec_dstt): Likewise.
18917         (altivec_dstst): Likewise.
18918         (altivec_dststt): Likewise.
18919         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
18920         of first operand.
18921
18922 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
18923
18924         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
18925         EXPR_LOCUS from orig_cond to the new cond_stmt.
18926         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
18927         the new vec_stmt.
18928
18929 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
18930
18931         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
18932         standard_iv_increment_position. Remove call to bsi_next
18933         (no need to bump the iterator anymore).
18934         (vect_create_index_for_vector_ref): Call
18935         standard_iv_increment_position. Remove second function argument.
18936         (vect_finish_stmt_generation): Remove call to bsi_next
18937         (no need to bump the iterator anymore).
18938         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
18939         to vect_create_index_for_vector_ref.
18940
18941 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
18942
18943         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
18944         phis are used out of the loop.
18945
18946 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
18947
18948         PR c/17807
18949         * c-decl.c (undef_nested_function): New variable.
18950         (pop_scope): Diagnose undefined nested functions.
18951         (finish_function): Don't attempt cgraph processing or genericizing
18952         if current top-level function contained an undefined nested
18953         function.  Reset undef_nested_function at the end of a top-level
18954         function.
18955
18956 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
18957
18958         * tree.c (build_int_cst_type): Take sign of the value into account
18959         when deciding whether sign extend the value.
18960
18961 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
18962
18963         PR c/18502
18964         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
18965         (cpp_options, cc1_options): Change %{std*&ansi} to
18966         %{std*&ansi&trigraphs}.
18967
18968 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
18969
18970         * cse.c: Update comments.
18971
18972 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
18973
18974         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
18975         arguments go on the stack.  Do not put complex doubles in odd/even
18976         pairs.
18977
18978 2005-02-02  Steven Bosscher  <stevenb@suse.de>
18979
18980         * doc/invoke.texi: Update the options enabled at -O1, -O2,
18981         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
18982         -ftree-pre, and -fthread-jumps.
18983
18984 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
18985
18986         PR tree-optimization/19578
18987         * tree-flow.h (modified_noreturn_calls): Declare.
18988         (noreturn_call_p): Declare.
18989         * tree-flow-inline.h (noreturn_call_p): New function.
18990         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
18991         * tree-cfg.c (modified_noreturn_calls): New variable.
18992         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
18993         that contain a mid-block noreturn call.
18994         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
18995
18996 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
18997
18998         * df.c (df_def_record_1, df_uses_record): Don't use
18999         DF_FOR_REGALLOC.
19000         * df.h (DF_FOR_REGALLOC): Remove.
19001
19002 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
19003
19004         PR c/19435
19005         * c-typeck.c (really_start_incremental_init): Reset
19006         constructor_max_index for arrays of incomplete type.
19007
19008 2005-02-02  Jeff Law  <law@redhat.com>
19009
19010         * gcse.c (struct reg_set): Store the block index where the register
19011         was set rather than the setting insn.
19012         (record_one_set, compute_transp): Corresponding changes.
19013         (pre_insert_copy_insn): Do not call replace_one_set.
19014         (replace_one_set): Remove.
19015
19016 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
19017
19018         PR other/15514
19019         * doc/gcov.texi: Fix typo.
19020
19021 2005-02-01  Richard Henderson  <rth@redhat.com
19022
19023         PR target/19680
19024         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
19025         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
19026         type to bool.
19027         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
19028         * config/i386/i386-protos.h: Update.
19029
19030 2005-02-01  Steven Bosscher  <stevenb@suse.de>
19031
19032         PR tree-optimization/19217
19033         * tree-cfg.c (verify_expr): Use the data field to see if TP was
19034         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
19035         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
19036         that it is walking a PHI node.
19037
19038 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
19039
19040         * doc/extend.texi (Nested Functions): Update.
19041
19042 2005-02-01  Richard Henderson  <rth@redhat.com>
19043
19044         PR 19696
19045         * optabs.c (expand_copysign_absneg): Export.
19046         * optabs.h (expand_copysign_absneg): Declare.
19047         * config/rs6000/rs6000.md (copysigntf3): New.
19048
19049 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
19050
19051         PR tree-optimization/19633
19052         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
19053         * tree-ssa-alias.c (init_alias_info): Initialize.
19054         (merge_pointed_to_info): Set.
19055         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
19056         (dump_points_to_info_for): Show value of pt_null.
19057         (struct count_ptr_d): Declare.
19058         (find_ptr_dereference): Remove.
19059         (ptr_is_dereferenced_by): Remove.
19060         (count_ptr_derefs): New local function.
19061         (count_uses_and_derefs): New local function.
19062         (compute_points_to_and_addr_escape): Call it.  If the number
19063         of dereferences is greater than zero, mark the pointer as
19064         dereferenced.  If there are fewer dereferences than uses of
19065         the pointer, the pointer's value escapes.
19066
19067 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
19068
19069         PR tree-optimization/19670
19070         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
19071         here...
19072         (verify_use): ... set it here, instead.
19073
19074 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
19075
19076         * doc/sourcebuild.texi (Test directives): Fix formatting.
19077
19078         * doc/sourcebuild.texi (Test directives): Describe selector
19079         expressions.
19080
19081 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
19082
19083         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
19084         specific 64-bit CPUs.
19085
19086 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
19087
19088         PR target/16201
19089         * arm.c (arm_eliminable_register): New function.
19090         (adjacent_mem_locations): Don't allow eliminable registers.  Use
19091         HOST_WIDE_INT for address offsets.
19092         * arm-protos.h (arm_eliminable_register): Add prototype.
19093
19094 2005-02-01  Steven Bosscher  <stevenb@suse.de>
19095
19096         PR optimization/15242
19097         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
19098         * basic-block.h (duplicate_computed_gotos): Add prototype.
19099         * bb-reorder.c (duplicate_computed_gotos): New function to
19100         duplicate sufficiently small blocks ending in a computed jump.
19101         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
19102         if not optimizing for size.
19103         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
19104         never do tail merging for blocks ending in a computed jump.
19105         * doc/invoke.texi: Document the max-goto-duplication-insns param.
19106
19107 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
19108
19109         Patch from Richard Sandiford <rsandifo@redhat.com>
19110         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
19111         from inheriting a subreg equivalence with a non-spill register.
19112
19113         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
19114
19115 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
19116
19117         * config/frv/frv.c (movcc_fp_destination_operand): New.
19118         (gpr_or_memory_operand): Fix typo in comment.
19119         (gpr_or_memory_operand_with_scratch): New.
19120         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
19121         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
19122         movcc_fp_destination_operand.
19123         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
19124         Legitimize memory addresses using a scratch register.
19125
19126 2005-01-31  Jeff Law  <law@redhat.com>
19127
19128         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
19129         bitmap a sparse bitmap instead of a simple bitmap.
19130         (mark_def_sites_initialize_block):  Corresponding changes.
19131         (ssa_mark_def_sites_initialize_block): Likewise.
19132         (ssa_mark_phi_uses): Likewise.
19133         (mark_def_site, ssa_mark_def_sites): Likewise.
19134         (mark_def_site_blocks): Likewise.
19135         (rewrite_ssa_into_ssa): Likewise.
19136
19137         * tree-ssa-dom.c (record_cond): Pass correct variable type
19138         for last argument to htab_find_slot_with_hash.
19139
19140         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
19141         effects when optimizing 0 % X.  Do not try to optimize X % 0.
19142
19143 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
19144
19145         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
19146         1_mmalua.
19147
19148 2005-02-01  Eric Christopher  <echristo@redhat.com>
19149
19150         * config/mips/mips.c (override_options): Warn if -mint64
19151         is used.
19152         * doc/invoke.texi (MIPS Options): Document that -mint64 is
19153         deprecated.
19154
19155 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
19156
19157         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
19158         timestamp.
19159         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
19160         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
19161         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
19162         (cached_regno): Initialize to INVALID_REGNUM.
19163         (cse_reg_info_table_size,
19164         cse_reg_info_table_first_uninitialized,
19165         cse_reg_info_timestamp): New.
19166         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
19167         get_cse_reg_info.
19168         (init_cse_reg_info, get_cse_reg_info_1): New.
19169         (get_cse_reg_info): Cache the last look-up.
19170         (new_basic_block): Update the code to clear mappings from
19171         registers to cse_reg_info entries.
19172         (cse_main): Call init_cse_reg_info.
19173
19174         * cse.c (get_cse_reg_info): Update a comment.
19175
19176 2005-01-31  Steven Bosscher  <stevenb@suse.de>
19177
19178         PR c/19333
19179         * c-decl.c (start_decl): Do not warn about arrays of elements with
19180         an incomplete type here.
19181         (grokdeclarator): Do it here by making a pedwarn an error.
19182         * c-typeck.c (push_init_level): If there were previous errors with
19183         the constructor type, do not warn about braces for initializers.
19184         (process_init_element): Likewise for excess initializer elements.
19185
19186 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
19187
19188         * cse.c (delete_trivially_dead_insn): Don't iterate.
19189
19190 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
19191
19192         * config/rs6000/rs6000.md (copysignsf3): New expand.
19193         (copysigndf3): Likewise.
19194
19195 2005-01-31  Steven Bosscher  <stevenb@suse.de>
19196
19197         * recog.c (constrain_operands): Only look for earlyclobber operand
19198         conflicts if an '&' constraint was seen.
19199
19200 2005-01-31  Marc Espie <espie@openbsd.org>
19201
19202         * config.gcc: Don't include embedded systems fragment, switches default
19203         debugging format to ELF.
19204         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
19205         longer pick it up there.
19206
19207 2005-01-31  Dale Johannesen  <dalej@apple.com>
19208
19209         * doc/extend.texi (nested functions): Fix linkage description.
19210         Clarify that static is not allowed.
19211
19212 2005-01-31  Dale Johannesen  <dalej@apple.com>
19213
19214         * config/rs6000/darwin.md (movsf_low_di):  Make work.
19215         (movdf_low_di):  Make work.
19216
19217 2005-01-31  Dale Johannesen  <dalej@apple.com>
19218
19219         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
19220         Make work for 64 bit.
19221
19222 2005-01-31  Roger Sayle  <roger@eyesopen.com>
19223             Dale Johannesen  <dalej@apple.com>
19224
19225         PR middle-end/19650
19226         * fold-const.c (fold_binary_op_with_conditional_arg):
19227         Make types match original operands, before STRIP_NOPS.
19228
19229 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
19230
19231         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
19232         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
19233         (struct gcc_sigcontext): Delete.  Merge contents to..
19234         (struct gcc_ucontext): ..here.
19235         (get_sigcontext): Delete.
19236         (get_regs): New function, like get_sigcontext but return regs ptr.
19237         64-bit version finds regs from r1 to support vdso.
19238         (ppc_linux_aux_vector): New function.
19239         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
19240         and vector regs.
19241
19242 2005-01-31  Ira Rosen  <irar@il.ibm.com>
19243
19244         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
19245         sizetype.
19246         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
19247         redundant fold. Fix misalignment for MINUS_EXPR.
19248         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
19249         (vect_analyze_pointer_ref_access): Likewise.
19250         (vect_get_memtag_and_dr): Likewise.
19251
19252 2005-01-31  Richard Henderson  <rth@redhat.com>
19253
19254         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
19255         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
19256         absnegdf2_i387, absnegxf2_i387): Likewise.
19257
19258 2005-01-31  Richard Henderson  <rth@redhat.com>
19259
19260         PR 19696
19261         * optabs.c (expand_copysign_absneg): New.
19262         (expand_copysign_bit): Split out from ...
19263         (expand_copysign): ... here.  Use expand_copysign_absneg.
19264
19265 2005-01-30  Roger Sayle  <roger@eyesopen.com>
19266
19267         PR middle-end/19697
19268         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
19269         constant as the second operand and a register as the third.
19270
19271 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
19272
19273         PR target/19704
19274         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
19275         that dllimport'd functions do not use all call-clobbered registers
19276         to pass parameters.
19277
19278 2005-01-30  Richard Henderson  <rth@redhat.com>
19279
19280         PR 19696
19281         * optabs.c (expand_absneg_bit): Split out from expand_unop and
19282         expand_abs_nojump and generalize.  Use operand_subword and
19283         emit_no_conflict_block.  Support large modes.
19284         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
19285         back to maximum.
19286         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
19287         negation to subtraction.
19288         (expand_copysign): Check that the format has signed zeros.
19289         Use operand_subword and emit_no_conflict_block.  Support large modes.
19290
19291 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
19292
19293         Fix PR tree-optimization/19624
19294
19295         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
19296         * tree-ssa-pre.c: Add cfgloop.h.
19297         Update comment.
19298         (pre_stats): New member, constified.
19299         (inserted_exprs): New static variable.
19300         (NECESSARY): New macro.
19301         (create_expression_by_pieces): Fold the expression, and
19302         mark it as defaulting to not necessary. Also put in
19303         inserted_exprs.
19304         (fully_constant_expression): New function.
19305         (insert_into_preds_of_block): Modify to not insert phis when we
19306         are playing with induction variables.
19307         Push phis onto the inserted_exprs vector, and mark them as not
19308         necessary by default.
19309         (insert_aux): Call fully_constant_expression on eprime.
19310         If all edges produce the same value, mark it constant.
19311         (mark_operand_necessary): New function.
19312         (remove_dead_inserted_code): New function.
19313         (init_pre): Init loop optimizer to get loop info.
19314         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
19315         (execute_pre): Commit edge inserts, then remove dead code.
19316
19317 2005-01-30  Richard Henderson  <rth@redhat.com>
19318
19319         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
19320         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
19321
19322 2005-01-30  Richard Henderson  <rth@redhat.com>
19323
19324         PR target/19700
19325         * config/i386/i386.c (ix86_expand_copysign): New.
19326         (ix86_split_copysign_const): New.
19327         (ix86_split_copysign_var): Rename from ix86_split_copysign,
19328         rearrange op1/nmask operands.
19329         * config/i386/i386-protos.h: Update.
19330         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
19331         (copysigndf3): Likewise.
19332         (copysignsf3_const, copysigndf3_const): New.
19333         (copysignsf3_var): Rename from copysignsf3, split out splitter
19334         and fix split predicate for X constraint.
19335         (copysigndf3_var): Similarly.
19336
19337 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
19338
19339         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
19340         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
19341         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
19342
19343 2005-01-29  Richard Henderson  <rth@redhat.com>
19344
19345         PR target/19690
19346         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
19347         of # and * in constraints.
19348
19349 2005-01-29  Richard Henderson  <rth@redhat.com>
19350
19351         PR middle-end/19689
19352         * expr.c (store_field): Don't strip sub-mode cast when the input
19353         data is even smaller.
19354
19355 2005-01-29  Richard Henderson  <rth@redhat.com>
19356
19357         PR middle-end/19687
19358         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
19359         union being empty.
19360
19361 2005-01-29  Richard Henderson  <rth@redhat.com>
19362
19363         * combine.c (make_field_assignment): Fix argument order
19364         to gen_int_mode.
19365
19366 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
19367
19368         PR tree-optimization/15791
19369         * fold-const.c (extract_array_ref): New function.
19370         (fold): Fold comparisons between &a[i] and &a[j] or
19371         semantically equivalent trees.
19372
19373 2005-01-29  Jeff Law  <law@redhat.com>
19374
19375         * gcse.c (insert_expr_in_table): Revamp handling of available
19376         and anticipatable occurrence lists to avoid unnecessary list
19377         walking.
19378         (insert_set_in_table): Similarly.
19379
19380 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
19381
19382         * c-common.c (fix_string_type): Just use c_build_qualified_type to
19383         build string type.
19384         (c_build_qualified_type): Build qualified array types with
19385         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
19386         * c-decl.c (c_make_fname_decl): Build unqualified array type
19387         before qualified type.
19388         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
19389         type is qualified, not just if type itself is.  Don't apply
19390         qualifiers to array type when declarator is processed.  Apply
19391         qualifiers to field type whether or not it is an array type.
19392         Don't handle array types specially for applying qualifiers to
19393         variables.
19394         * c-typeck.c (composite_type): Build unqualified element type and
19395         array type when forming composite of array types.
19396         (common_pointer_type, comptypes, comp_target_types,
19397         type_lists_compatible_p, build_indirect_ref, build_array_ref,
19398         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
19399         types.
19400         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
19401         (args2) in variables a1 and a2.
19402
19403 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
19404
19405         * cse.c (n_elements_made, max_elements_made): Remove.
19406         (insert): Don't touch n_elements_made.
19407         (cse_main): Don't touch n_elements_made or max_elements_made.
19408
19409 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
19410
19411         PR target/15384
19412         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
19413         configuration part of dp-bit.c to be lost.
19414
19415 2005-01-28  Roger Sayle  <roger@eyesopen.com>
19416
19417         * expmed.c (expand_mult_highpart_optab): When attempting to use
19418         a non-widening multiplication in a wider mode, the operands need
19419         to be converted (zero or sign extended) to that mode.
19420
19421 2005-01-28  Ian Lance Taylor  <ian@airs.com>
19422
19423         PR middle-end/16558
19424         PR middle-end/19583
19425         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
19426         through if both operands fall through.
19427
19428 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
19429
19430         * cse.c (fold_rtx) <PC>: Don't optimize.
19431
19432 2005-01-28  Jeff Law  <law@redhat.com>
19433
19434         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
19435         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
19436
19437 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
19438
19439         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
19440         cse_reg_info_used_list_end): Remove.
19441         (cse_reg_info_list, cse_reg_info_list_free): New.
19442         (get_cse_reg_info): When allocating an instance of
19443         cse_reg_info, add it to the beginning of the cse_reg_info_list
19444         list.  Remove code to maintain cse_reg_info_used_list.
19445         (new_basic_block): Reset the free list to the beginning of
19446         cse_reg_info_list.
19447
19448 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
19449
19450         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
19451         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
19452         (frv_expand_mdpackh_builtin): New function.
19453         (frv_expand_builtin): Use it to expand __MDPACKH.
19454         * doc/extend.texi (__MDPACKH): Update documentation.
19455
19456 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
19457
19458         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
19459         SSE_FLOAT_MODE_P for use_sse computation.
19460
19461 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
19462
19463         PR target/19663
19464         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
19465
19466 2005-01-27  Richard Henderson  <rth@redhat.com>
19467
19468         * builtins.c (expand_builtin_copysign): New.
19469         (expand_builtin): Call it.
19470         * genopinit.c (optabs): Add copysign_optab.
19471         * optabs.c (init_optabs): Initialize it.
19472         (expand_copysign): New.
19473         * optabs.h (OTI_copysign, copysign_optab): New.
19474         (expand_copysign): Declare.
19475
19476         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
19477         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
19478
19479         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
19480         (ix86_expand_fp_absneg_operator): ... here.
19481         (ix86_split_copysign): New.
19482         * config/i386/i386-protos.h: Update.
19483         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
19484         (copysignsf3, copysigndf3): New.
19485
19486         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
19487         (copysignsf3, ncopysignsf3): New.
19488         (copysigndf3, ncopysigndf3): New.
19489         (copysignxf3, ncopysignxf3): New.
19490         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
19491
19492 2005-01-27  Arend Bayer  <arend.bayer@web.de>
19493             Kazu Hirata  <kazu@cs.umass.edu>
19494
19495         * cse.c: (find_best_addr): Don't call copy_rtx before calling
19496         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
19497         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
19498         NULL_RTX.
19499
19500 2005-01-27  Jeff Law  <law@redhat.com>
19501
19502         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
19503         definitions of SSA_NAMEs which are not being rewritten.
19504         (rewrite_ssa_into_ssa): Only initialize the current definition
19505         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
19506         If checking is enabled, assert that SSA_NAME_AUX is clear for all
19507         SSA_NAMEs before returning.
19508
19509 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
19510
19511         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
19512         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
19513         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
19514         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
19515         config/mips/iris6.h, config/sh/sh.c: Update copyright.
19516
19517 2005-01-27  Steven Bosscher  <stevenb@suse.de>
19518
19519         PR middle-end/17278
19520         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
19521         higher to -O2 and higher.  Likewise for tree PRE.
19522         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
19523         and better.
19524
19525 2005-01-27  Ian Lance Taylor  <ian@airs.com>
19526
19527         PR middle-end/19583
19528         * gimple-low.c (try_catch_may_fallthru): New static function.
19529         (block_may_fallthru): Handle TRY_CATCH_EXPR.
19530         * tree-inline.c (expand_call_inline): Don't warn about reaching
19531         the end of a non-void function being inlined if the function uses
19532         a return slot.
19533
19534 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
19535
19536         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
19537
19538         PR c/18946
19539         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
19540         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
19541         (implicitly_declare): Handle error_mark_node.
19542
19543 2005-01-27  Richard Henderson  <rth@redhat.com>
19544
19545         PR tree-opt/14329
19546         * tree.h (struct tree_decl): Add debug_expr_is_from.
19547         (DECL_DEBUG_EXPR_IS_FROM): New.
19548         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
19549         * dwarf2out.c (dwarf2out_var_location): Update to match.
19550         * tree-outof-ssa.c (create_temp): Likewise.
19551         * var-tracking.c (track_expr_p): Likewise.
19552         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
19553         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
19554         * toplev.c (default_tree_printer): Likewise.
19555
19556 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
19557
19558         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
19559         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
19560
19561 2005-01-27  Steven Bosscher  <stevenb@suse.de>
19562
19563         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
19564         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
19565         ASM_CLOBBERS): Add tree checks.
19566
19567         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
19568         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
19569         * c-common.def (SWITCH_STMT): Update to match.
19570         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
19571         macros instead of SWITCH_EXPR ones.
19572         * c-dump.c (c_dump_tree): Likewise.
19573         * c-gimplify.c (gimplify_switch_stmt): Likewise.
19574         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
19575
19576         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
19577
19578 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
19579
19580         * unwind-dw2.c (execute_stack_op): Add missing cases for
19581         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
19582
19583 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
19584
19585         * config.gcc (Obsolete configurations): Remove 'dummy', add
19586         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
19587         sparc-*-openbsd*.
19588
19589 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
19590
19591         PR tree-optimization/19633
19592         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
19593         CALL_EXPRs.
19594         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
19595         are no call-clobbered variables.
19596         * tree-outof-ssa.c (check_replaceable): Return false for calls
19597         with side-effects.
19598
19599 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
19600
19601         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
19602         even for variables with NULL DECL_INITIAL.
19603
19604 2005-01-26  Stuart Hastings  <stuart@apple.com>
19605
19606         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
19607
19608 2005-01-26  Richard Henderson  <rth@redhat.com>
19609
19610         PR middle-end/18008
19611         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
19612         field's type.
19613         * expr.c (store_field): Strip conversions to odd-bit-sized types
19614         if the destination field width matches.
19615
19616 2005-01-26  Richard Henderson  <rth@redhat.com>
19617
19618         * c-decl.c, expmed.c, expr.c: Revert last change.
19619
19620 2005-01-26  Richard Henderson  <rth@redhat.com>
19621
19622         PR middle-end/18008
19623         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
19624         field's type.
19625         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
19626         if we don't need the bits above those present in the current mode.
19627         * expr.c (store_field): Strip conversions to odd-bit-sized types
19628         if the destination field width matches.
19629
19630 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
19631
19632         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
19633         either -ffast-math or -funsafe-math-optimizations is in use.
19634
19635 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
19636
19637         PR target/19293
19638         PR target/19329
19639         * config/avr/avr.c (notice_update_cc): Only set condition code for
19640         ashrqi3 if shift count > 0.
19641         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
19642         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
19643         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
19644         count <= 0 as a no-op, and shift count >= width by copying zero
19645         or sign bit to all bits of the result.
19646         * config/avr/avr.md (all shifts): Add alternatives for zero shift
19647         count, with attribute "length" set to 0 and "cc" set to "none".
19648
19649 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
19650
19651         * doc/invoke.texi: Document -mTLS.
19652
19653         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
19654         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
19655         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
19656         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
19657         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
19658         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
19659         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
19660         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
19661
19662         * configure.ac: Check for a TLS capable gas.
19663
19664         * configure: Regenerate.
19665
19666 2005-01-26  Richard Henderson  <rth@redhat.com>
19667
19668         PR middle-end/18008
19669         * combine.c (make_field_assignment): Simplify store to zero_extract
19670         from a source with an overlapping mask.
19671
19672 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
19673
19674         2004-11-11  Eric Christopher  <echristo@redhat.com>
19675
19676         * config/frv/frv.md: Add fr400_integer automaton. Don't
19677         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
19678         to TYPE_MACC.
19679
19680 2005-01-26  Steven Bosscher  <stevenb@suse.de>
19681
19682         PR middle-end/16585
19683         * cfgbuild.c (make_edges): Do not clear or set
19684         current_function_has_computed_jump.
19685         * function.h (struct function): Remove the has_computed_jump field.
19686         (current_function_has_computed_jump): Do not define.
19687         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
19688         in a computed jump.  Ignore current_function_has_computed_jump.
19689
19690 2005-01-26  Richard Henderson  <rth@redhat.com>
19691
19692         PR middle-end/19515
19693         * expr.c (categorize_ctor_elements): New argument p_must_clear.
19694         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
19695         fully initialized.
19696         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
19697         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
19698         objects into static storage if they have more than one non-zero value.
19699         * tree.h (categorize_ctor_elements): Update decl.
19700
19701 2005-01-26  Steven Bosscher  <stevenb@suse.de>
19702
19703         PR middle-end/19616
19704         * tree.h (CALL_EXPR_TAILCALL): Add comment.
19705         * calls.c (check_sibcall_argument_overlap_1): Revert the change
19706         to this function from 2004-07-10.
19707         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
19708         the current function for tail call optimizations if the address
19709         of one of it its arguments is taken.
19710
19711 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
19712
19713         * cse.c (fold_rtx): Call equiv_constant only when necessary.
19714
19715 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
19716
19717         * function.c (expand_function_end): If current_function_calls_alloca,
19718         emit stack restore in a place that is reached when the function falls
19719         through at the end.
19720
19721 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
19722
19723         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
19724         rule to avoid matching inappropriate suffix rule.
19725
19726 2005-01-26  Jan Hubicka  <jh@suse.cz>
19727
19728         PR tree-optimization/19241
19729         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
19730
19731 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
19732
19733         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
19734         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
19735         of doubling.
19736         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
19737         <sim*>: Always use crt1.o, regardless of N in simN.
19738         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
19739         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
19740         (CRT_CALL_STATIC_FUNCTION): Remove.
19741         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
19742         use crt1.o, regardless of N in simN.
19743         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
19744         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
19745         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
19746         case isystem setting.
19747         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
19748
19749 2005-01-25  Ian Lance Taylor  <ian@airs.com>
19750
19751         * gimple-low.c (block_may_fallthru): Correct handling of
19752         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
19753
19754 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
19755
19756         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
19757         handlers to match indentation; nested under the mtune=* handler.
19758         Similar for mcpu= and march=.
19759
19760 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
19761
19762         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
19763         * config/mips/linux64.h (LIB_SPEC): Likewise.
19764         * config/mn10300/linux.h (LIB_SPEC): Likewise.
19765         * config/sh/linux.h (LIB_SPEC): Likewise.
19766
19767 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
19768
19769         * config/frv/frv.c (frv_legitimize_tls_address): New.
19770         (TARGET_HAVE_TLS): Define.
19771         (FRV_SYMBOL_REF_TLS_P): Define.
19772         (frv_override_options): Handle new register classes.
19773         (frv_legitimate_address_p): Reject tls addresses.
19774         (frv_legitimize_address): Handle TLS addresses.
19775         (gen_inlined_tls_plt): New.
19776         (gen_tlsmoff): New.
19777         (frv_legitimize_tls_address): New.
19778         (unspec_got_name): Add TLS entries.
19779         (got12_operand): Add R_FRV_TLSMOFF12 case.
19780         (frv_emit_move): Fixup TLS addresses.
19781         (frv_emit_movsi): Legitimize TLS addresses.
19782
19783         * config/frv/frv.h (MASK_BIG_TLS): New.
19784         (TARGET_BIG_TLS): New.
19785         (HAVE_AS_TLS): Define.
19786         (TARGET_SWITCHES): Add -mTLS and -mtls options.
19787         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
19788         (REG_CLASS_NAMES): Same.
19789         (REG_CLASS_CONTENTS): Same.
19790         (CONSTRAINT_LEN): New.
19791         (REG_CLASS_FROM_CONSTRAINT): New.
19792         (PREDICATE_CODES): Add symbolic_operand.
19793
19794         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
19795         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
19796         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
19797         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
19798         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
19799         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
19800         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
19801         GR9_REG, GR14_REG, LRREG.
19802         (type): Add load_or_call attribute.
19803         ("load_or_call"): New reservation.
19804         ("call_gettlsoff"): New.
19805         ("tls_indirect_call"): New.
19806         ("tls_load_gottlsoff12"): New.
19807         ("tlsoff_hilo"): New.
19808         ("tls_tlsdesc_ldd"): New.
19809         ("tls_tlsoff_ld"): New.
19810         ("tls_lddi"): New.
19811
19812         * config/frv/frv-protos.h (symbolic_operand): Protoize.
19813
19814         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
19815
19816         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
19817         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
19818         * config/frv/frv.c (TLS_BIAS): Define.
19819         (frv_output_dwarf_dtprel): New.
19820
19821 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
19822
19823         PR rtl-optimization/19579
19824         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
19825         both A and B, see if they don't clobber registers the other expr uses.
19826
19827 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
19828
19829         * real.c (do_add): Initialize signalling and canonical members.
19830
19831         * real.c (real_from_integer): Zero out destination.
19832
19833 2005-01-18  Jan Hubicka  <jh@suse.cz>
19834
19835         PR tree-optimize/19337
19836         * tree-inline.c (initialize_inlined_parameters): Copy
19837         saved_static_chain_decl only.
19838
19839 2005-01-25  Richard Henderson  <rth@redhat.com>
19840
19841         PR target/19556
19842         PR target/19584
19843         * config/i386/i386.c (x86_inter_unit_moves): Zero.
19844         (ix86_preferred_reload_class): Rewrite fp-constant section, with
19845         80387 enabled, to return a proper subclass.  Return the subset that
19846         overlaps with GENERAL_REGS for PLUS.
19847         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
19848
19849 2005-01-25  Richard Henderson  <rth@redhat.com>
19850
19851         PR middle-end/19609
19852         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
19853
19854 2005-01-25  Roger Sayle  <roger@eyesopen.com>
19855
19856         * expmed.c (choose_multiplier): Change interface to return the
19857         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
19858         (expand_divmod): Update calls to choose_multiplier.
19859
19860 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
19861
19862         PR middle-end/19330
19863         * expmed.c (extract_bit_field): Use adjust_address instead of
19864         gen_lowpart when op0 is a MEM.
19865
19866 2005-01-24  Steven Bosscher  <stevenb@suse.de>
19867
19868         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
19869
19870 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
19871
19872         * config/mips/irix-csr.c: New file.
19873         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
19874         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
19875         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
19876         executables.
19877
19878 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
19879
19880         PR bootstrap/19364
19881         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
19882         sparc/elf.h, add sparc/sp-elf.h.
19883         (sparc-*-rtems*): Likewise.
19884         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
19885         tm-dwarf2.h, add sparc/sp-elf.h.
19886         (sparc86x-*-elf): Likewise.
19887         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
19888         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
19889         TARGET_OS_CPP_BUILTINS.
19890         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
19891         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
19892         Undefine it.
19893         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
19894         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
19895         (SWITCH_TAKES_ARG): Likewise.
19896         (LOCAL_LABEL_PREFIX): Likewise.
19897         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
19898         (TARGET_N_FORMAT_TYPES): Delete.
19899         (TARGET_FORMAT_TYPES): Likewise.
19900         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
19901         * config/sparc/elf.h: Delete.
19902         * config/sparc/sp-elf.h: New file.
19903
19904 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
19905
19906         * tree-flow-inline.h (phi_arg_from_edge): Remove.
19907         * tree-flow.h: Remove the corresponding prototype.
19908         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
19909         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
19910
19911 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
19912
19913         PR target/17751
19914         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
19915         for AIX ABI or ELF -fPIC.
19916         (rs6000_emit_load_toc_table): Don't create toc_section here.
19917         (rs6000_xcoff_file_start): Nor here.
19918
19919 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
19920
19921         * sh.c (ra.h): Don't #include.
19922         (hard_regs_intersect_p): New function, resurrected from ra.c.
19923
19924         * sh.c: Fix 1996 Copyright.
19925
19926 2005-01-24  Richard Henderson  <rth@redhat.com>
19927             Aldy Hernandez  <aldyh@redhat.com>
19928
19929         * regrename.c (note_sets): Handle subregs.
19930
19931 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
19932
19933         PR bootstrap/18058
19934         * genconditions.c (write_header, write_conditions): Elide file if
19935         not GCC >= 3.0.1.
19936
19937 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
19938
19939         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
19940         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
19941         Update copyright.
19942
19943 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
19944
19945         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
19946         expand_builtin_printf, expand_builtin_fprintf,
19947         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
19948         checking against POINTER_TYPE.
19949         (validate_arglist): Handle POINTER_TYPE code by checking
19950         POINTER_TYPE_P.
19951
19952 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
19953
19954         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
19955         init_rtlanal): New.
19956         (for_each_rtx): Call for_each_rtx_1.
19957         * rtl.h (init_rtlanal): Declare.
19958         * toplev.c (backend_init): Call init_rtlanal.
19959
19960 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
19961
19962         * flow.c (propagate_one_insn): Formatting.
19963
19964         PR middle-end/19551
19965         * flow.c (libcall_dead_p): Be more conservative if unsure.
19966         If there are any instructions between insn and call, see if they are
19967         all dead before saying the libcall is dead.
19968
19969 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
19970
19971         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
19972         operand constraint for operand 0.
19973
19974 2005-01-23  Richard Henderson  <rth@redhat.com>
19975
19976         PR 19486
19977         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
19978         edges leading to join block.
19979
19980 2005-01-23  Roger Sayle  <roger@eyesopen.com>
19981
19982         * expmed.c (expand_mult_highpart): Make static.  Change type of
19983         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
19984         (expand_divmod): Updates calls to expand_mult_highpart by using
19985         gen_int_mode to pass a CONST_INT rtx.
19986         * rtl.h (expand_mult_highpart): Remove prototype.
19987
19988 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
19989
19990         * flow.c (regset_bytes, regset_size): Remove.
19991
19992         * cfganal.c: Fix a reference to Harvey's paper.
19993
19994 2005-01-23  Steven Bosscher  <stevenb@suse.de>
19995
19996         PR rtl-optimization/19464
19997         * tree-optimize.c (init_tree_optimization_passes): Add one more
19998         copyrename pass just before out-of-ssa.
19999
20000 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
20001
20002         PR bootstrap/18058
20003         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
20004         * ggc-none.c (ggc_free): Define.
20005
20006 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
20007
20008         * cse.c (max_reg, max_insn_uid): Remove.
20009         (cse_main): Don't access max_reg or max_insn_uid.
20010
20011         * c-common.c (explicit_flag_signed_bitfields,
20012         lang_statement_code_p, lang_expand_function_end): Remove.
20013         * c-common.h: Remove the corresponding declarations.
20014         * c-opts.c (c_common_handle_option): Remove all write access
20015         to explicit_flag_signed_bitfields.
20016
20017         * cgraph.c (cgraph_varpool_n_nodes): Remove.
20018         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
20019         * cgraph.h: Remove the corresponding declaration.
20020
20021         * gcse.c (null_pointer_info): Remove.
20022
20023 2005-01-23  Roger Sayle  <roger@eyesopen.com>
20024             Eric Botcazou  <ebotcazou@libertysurf.fr>
20025
20026         * combine.c (simplify_logical): Only simplify logical expressions
20027         of the form ior(and(x,y),z) by the inverse distributive law if the
20028         result is cheaper than the original.
20029
20030 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
20031
20032         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
20033         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
20034         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
20035         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
20036         config/freebsd-spec.h, config/arm/arm.h,
20037         config/h8300/h8300.md, config/i386/i386.md,
20038         config/i386/predicates.md, config/i386/sse.md,
20039         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
20040         config/vax/vax.md: Fix comment typos.  Follow spelling
20041         conventions.
20042
20043 2005-01-23  Steven Bosscher  <stevenb@suse.de>
20044
20045         * gengtype.c (walk_type): Produce `not equal to' compares for loop
20046         tests, instead of `less than'.
20047
20048 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
20049
20050         * function.c (assign_parm_setup_block): When creating a new stack slot
20051         for a parameter, get its alignment from the parameter's DECL_ALIGN
20052         rather than the type's TYPE_ALIGN.  Make sure that the parameter
20053         is at least word aligned.
20054
20055 2005-01-22  Roger Sayle  <roger@eyesopen.com>
20056
20057         PR middle-end/19378
20058         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
20059
20060 2005-01-22  Richard Henderson  <rth@redhat.com>
20061
20062         PR target/19506
20063         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
20064         in both compare operands.
20065         (movdfcc_1_sse_max): Likewise.
20066         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
20067         (movdfcc_1_sse): Likewise.
20068         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
20069         scratch register as needed.
20070
20071 2005-01-22  Richard Henderson  <rth@redhat.com>
20072
20073         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
20074
20075         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
20076
20077 2005-01-22  Richard Henderson  <rth@redhat.com>
20078
20079         * genopinit.c (optabs): Use smin/smax for floating point too.
20080         * doc/md.texi: Update to match.  Clarify that floating point
20081         results are undefined for +0/-0 and NaN.
20082         * doc/rtl.texi: Likewise.
20083         * rtl.def (SMIN, SMAX): Likewise
20084         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
20085
20086         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
20087         leading 's' to the name.
20088         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
20089         smaxxf3, sminxf3): Likewise.
20090         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
20091         Likewise.
20092
20093 2005-01-22  Paul Brook  <paul@codesourcery.com>
20094
20095         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
20096
20097 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
20098
20099         * config/s390/s390.c (struct processor_costs): New fields
20100         dlgr, dlr, dr, dsgfr, dsgr.
20101         (z900_cost, z990_cost): Values for new fields.
20102         (s390_rtx_costs): New cases MEM und COMPARE in switch
20103         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
20104         DIV, MOD, UDIV, UMOD.
20105
20106 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
20107
20108         * config/s390/s390.md ("doloop_si64"): Reload input value directly
20109         into the register being decremented.
20110         ("doloop_si31", "doloop_di"): Likewise.
20111         ("*doloop_si_long"): Adapt pattern.
20112
20113 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
20114
20115         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
20116         access registers.
20117         (CLASS_MAX_NREGS): Likewise.
20118
20119 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
20120
20121         * doc/tree-ssa.texi (Statement Operands): Add example for new
20122         must-def macro. Note deprecation of old operands interface.
20123
20124 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
20125
20126         PR tree-optimization/19484
20127         * tree-cfg.c (remove_fallthru_edge): New function.
20128         (cleanup_control_flow): Remove fallthru edges from calls that are
20129         now known not to return.
20130
20131 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
20132
20133         Fix PR tree-optimization/19038
20134         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
20135         copies with loop variant ones.
20136
20137 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
20138
20139         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
20140         config/alpha/alpha-protos.h, config/alpha/alpha.h,
20141         config/alpha/alpha.md, config/alpha/predicates.md,
20142         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
20143         config/sparc/sol2.h: Update copyright.
20144
20145         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
20146         first label to see if it is a nonlocal label.
20147
20148 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
20149             Andrew Pinski  <pinskia@physics.uc.edu>
20150
20151         PR target/19491
20152         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
20153         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
20154
20155 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
20156
20157         * config/rs6000/rtems.h: Update copyright.
20158
20159 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
20160
20161         PR target/19548
20162         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
20163         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
20164         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
20165
20166 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
20167
20168         PR c/18809
20169         * c-typeck.c (convert_arguments): Check for error_mark_node.
20170
20171 2005-01-21  Ian Lance Taylor  <ian@airs.com>
20172
20173         PR tree-optimization/13000
20174         * tree-inline.c: Include "tree-flow.h".
20175         (expand_call_inline): If warn_return_type, warn if non-void inline
20176         function falls through.
20177         * tree-cfg.c (execute_warn_function_return): Don't warn about
20178         control reaching end if TREE_NO_WARNING is set.  Set
20179         TREE_NO_WARNING.
20180         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
20181         has been lowered.
20182         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
20183         branch if we don't need one.
20184         * c-typeck.c: Include "tree-flow.h"
20185         (c_finish_bc_stmt): Don't add a goto if the current statement
20186         list doesn't fall through to the current point.
20187
20188 2005-01-21  Roger Sayle  <roger@eyesopen.com>
20189
20190         PR rtl-optimization/576
20191         * real.c (real_arithmetic): Change return type from void to bool
20192         to return an indication that the result may be inexact.
20193         * real.h (real_arithmeric): Update prototype.
20194         * fold-const.c (const_binop):  Don't constant fold floating
20195         point expressions when the user specifies -frounding-math and
20196         the result may depend upon the run-time rounding mode.
20197         (fold_convert_const_real_from_real): Clean-up.
20198         (fold_initializer): Ignore flag_rounding_math for initializers.
20199         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
20200         constant fold FP operations with flag_rounding_math if the
20201         result may depend upon the run-time rounding mode.
20202
20203 2005-01-21  Tom Tromey  <tromey@redhat.com>
20204
20205         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
20206
20207 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
20208
20209         * tree-cfg.c: Fix comment typos.
20210
20211 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
20212
20213         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
20214         around the call to rest_of_handle_branch_target_load_optimize.
20215
20216 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
20217
20218         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
20219         (sparc64-*-openbsd*): Likewise.
20220         (sparclite-*-elf*): Include tm-dwarf2.h.
20221         (sparc86x-*-elf*): Likewise.
20222         (sparc64-*-elf*): Likewise.
20223         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
20224         (DBX_DEBUGGING_INFO): Likewise.
20225         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
20226         (PREFERRED_DEBUGGING_TYPE): Likewise.
20227         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
20228         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
20229         (PREFERRED_DEBUGGING_TYPE): Likewise.
20230         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
20231         (PREFERRED_DEBUGGING_TYPE): Likewise.
20232         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
20233
20234 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
20235
20236         PR target/18701
20237         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
20238
20239 2005-01-20  Paul Brook  <paul@codesourcery.com>
20240
20241         * doc/rtl.texi: Document value extension requirements for CONST_INT.
20242
20243 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
20244
20245         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
20246         label is first in a sequence of labels.
20247
20248         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
20249
20250 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
20251             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
20252
20253         * doc/sourcebuild.texi (Test Directives): New.
20254
20255 2005-01-20  Roger Sayle  <roger@eyesopen.com>
20256
20257         * real.c (real_floor): Don't leave the result uninitialized when
20258         mode is VOIDMode, but return the unrounded intermediate value.
20259         (real_ceil): Likewise.
20260
20261 2005-01-20  Paul Brook  <paul@codesourcery.com>
20262
20263         * config/arm/arm.md (insv): Use gen_int_mode.
20264
20265 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
20266
20267         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
20268         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
20269         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
20270         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
20271         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
20272
20273 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
20274
20275         Fix PR debug/19124
20276         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
20277         fbreg, so we have to assume we can't.
20278         (loc_descriptor_from_tree_1): Ditto.
20279         (containing_function_has_frame_base): New function.
20280         (add_location_or_const_value_attribute): Use it.
20281         Also try to generate a frame_base from a single element location
20282         list.
20283
20284 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
20285
20286         PR tree-optimization/15349
20287         * timevar.def (TV_TREE_MERGE_PHI): New.
20288         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
20289         PHI_WANTED.
20290         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
20291         calls to tree_forwarder_block_p.
20292         (remove_forwarder_block_with_phi, merge_phi_nodes,
20293         gate_merge_phi, pass_merge_phi): New.
20294         * tree-optimize.c (init_tree_optimization_passes): Add
20295         pass_merge_phi.
20296         * tree-pass.h: Add an extern for pass_merge_phi;
20297
20298 2005-01-20  Richard Henderson  <rth@redhat.com>
20299
20300         PR target/19418
20301         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
20302         (_mm_castps_pd, _mm_castps_si128): New.
20303         (_mm_castsi128_ps, _mm_castsi128_pd): New.
20304
20305 2005-01-20  Richard Henderson  <rth@redhat.com>
20306
20307         PR target/19530
20308         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
20309         __builtin_ia32_vec_init_v2si.
20310         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
20311         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
20312         (ix86_init_mmx_sse_builtins): Create it.
20313         (ix86_expand_builtin): Expand it.
20314         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
20315         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
20316         (vec_extractv2si_0, vec_extractv2si_1): New.
20317
20318 2005-01-20  Richard Henderson  <rth@redhat.com>
20319
20320         PR target/16533
20321         * config/i386/i386.c (ix86_expand_push): New.
20322         * config/i386/mmx.md (push<MMXMODE>1): New.
20323         * config/i386/sse.md (push<SSEMODE>1): New.
20324         * config/i386/i386-protos.h: Update.
20325
20326 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
20327
20328         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
20329         copyright.
20330
20331 2005-01-20  Richard Henderson  <rth@redhat.com>
20332
20333         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
20334         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
20335
20336 2005-01-19  Richard Henderson  <rth@redhat.com>
20337
20338         PR target/19350
20339         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
20340         to V4SFmode in SSE1 fallback load path.
20341
20342 2005-01-19  Richard Henderson  <rth@redhat.com>
20343
20344         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
20345         in QImode expansion to ix86_expand_vector_set.
20346         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
20347
20348 2005-01-19  Richard Henderson  <rth@redhat.com>
20349
20350         PR target/19511
20351         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
20352         subclass of the input class.
20353         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
20354         Always true for cross-SSE1 classes.  Rationalize conditionals.
20355         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
20356         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
20357         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
20358         (movdi_2): Add MMX/SSE zeros.
20359         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
20360         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
20361         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
20362         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
20363         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
20364         (zero_extendsidi2_rex64_1): Remove.
20365         (MOV0 peephole): Check GENERAL_REG_P.
20366
20367 2005-01-19  Richard Henderson  <rth@redhat.com>
20368
20369         PR target/19427
20370         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
20371         shufps elements.
20372         (ix86_expand_vector_extract): Likewise.
20373
20374 2005-01-19  Richard Henderson  <rth@redhat.com>
20375
20376         PR middle-end/19304
20377         * expr.c (emit_move_change_mode): New argument force; use
20378         simplify_gen_subreg if true.
20379         (emit_move_via_alt_mode): Merge into ...
20380         (emit_move_via_integer): ... here.
20381         (emit_move_ccmode): Use emit_move_change_mode directly.
20382
20383 2005-01-19  Richard Henderson  <rth@redhat.com>
20384
20385         PR target/19518
20386         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
20387         (alpha_preferred_reload_class): Handle CONST_VECTOR.
20388         (alpha_emit_set_const_1): Add no_output parameter; don't emit
20389         rtl if true.
20390         (alpha_emit_set_const): Likewise.  Make static.
20391         (alpha_emit_set_long_const): Make static.
20392         (alpha_extract_integer): Split out from alpha_expand_mov.
20393         (alpha_split_const_mov): Likewise.
20394         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
20395         (alpha_legitimate_constant_p): New.
20396         * config/alpha/alpha-protos.h: Update.
20397         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
20398         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
20399         * config/alpha/alpha.md (movsi): Add n alternative.
20400         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
20401         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
20402         (splitters for all of the above): Use alpha_split_const_mov.
20403         * config/alpha/predicates.md (non_add_const_operand): New.
20404         (non_zero_const_operand): New.
20405         (input_operand): Use alpha_legitimate_constant_p after reload.
20406
20407 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
20408
20409         PR tree-optimization/19038
20410         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
20411         (add_candidate): Add ivs with increment in latch only if
20412         allow_ip_end_pos_p is true.
20413         (determine_iv_cost): Use empty_block_p.
20414
20415 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
20416
20417         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
20418         (compute_dominance_frontiers): Ditto.
20419
20420 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
20421
20422         PR target/19529
20423         * config/sh/t-rtems: New.
20424         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
20425
20426 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
20427
20428         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
20429         the offset of the selected field.
20430
20431 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
20432
20433         * tree-cfg.c (remove_forwarder_block): Fix the check to
20434         prevent a nonlocal label from appearing in the middle of a
20435         basic block.
20436
20437 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
20438
20439         PR rtl-optimization/19462
20440         * reorg.c (find_end_label): Create return insn only if
20441         current_function_epilogue_delay_list is empty.
20442
20443 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
20444
20445         * doc/passes.texi: Remove paragraph mentioning new-ra.
20446
20447 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
20448
20449         PR rtl-optimization/15139
20450         * combine.c: Include params.h.
20451         (count_rtxs): New function.
20452         (record_value_for_reg): If replace_rtx would replace at least
20453         2 occurrences of REG in VALUE and TEM is really large, replace REG with
20454         (clobber (const_int 0)) instead of TEM.
20455         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
20456         * params.h (MAX_LAST_VALUE_RTL): New.
20457         * Makefile.in (combine.o): Depend on $(PARAMS_H).
20458         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
20459
20460         PR c/17297
20461         * c-typeck.c (digest_init): Only call build_vector if all constructor
20462         elements are *_CST nodes.
20463         * gimplify.c (gimplify_init_constructor): Likewise.
20464
20465         PR middle-end/19164
20466         * c-typeck.c (digest_init): Only call build_vector if inside_init
20467         is a CONSTRUCTOR.
20468
20469 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
20470
20471         * toplev.c (init_asm_output): Remove dead #ifdef.
20472
20473 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
20474
20475         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
20476
20477 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
20478
20479         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
20480         accessing DECL_FUNCTION_CODE.
20481         * dojump.c (do_jump): Likewise.
20482         * gimplify.c (gimplify_call_expr): Likewise.
20483         * predict.c (expr_expected_value): Likewise.
20484         (strip_builtin_expect): Likewise.
20485         * tree-inline.c (estimate_num_insns_1): Likewise.
20486         * tree-ssa-loop-im.c (stmt_cost): Likewise
20487         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
20488         (tree_expr_nonnegative_p): Likewise.
20489
20490 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
20491
20492         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
20493         variant of the load_pcrel_sym pattern.
20494         * config/sparc/sparc.md (P macro): Move to the top.
20495         (load_pcrel_sym): Macroize using P.
20496         (save_register_window): Likewise.
20497
20498 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
20499
20500         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
20501         ("sordered"): Same.
20502
20503 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
20504
20505         PR C/19472
20506         * c-typeck.c (build_asm_expr): Strip nops off
20507         input memory operands.
20508
20509 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
20510
20511         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
20512         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
20513         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
20514         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
20515
20516 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
20517
20518         PR target/19379
20519         * config/i386/i386.c (override_options): If the 80387 is disabled,
20520         then do not return FP values using FP registers.
20521
20522 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
20523
20524         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
20525         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
20526         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
20527         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
20528         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
20529         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
20530         output.h, postreload-gcse.c, postreload.c, recog.c,
20531         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
20532         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
20533         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
20534         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
20535         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
20536         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
20537         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
20538         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
20539
20540         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
20541         config/alpha/alpha.c, config/arm/vfp.md,
20542         config/i386/emmintrin.h, config/i386/i386-modes.def,
20543         config/i386/i386-protos.h, config/i386/i386.h,
20544         config/i386/pmmintrin.h, config/i386/ppro.md,
20545         config/i386/predicates.md, config/i386/xmmintrin.h,
20546         config/i860/i860.c, config/ia64/ia64-modes.def,
20547         config/ia64/ia64-protos.h, config/ia64/ia64.h,
20548         config/ia64/ia64.md, config/ia64/itanium1.md,
20549         config/ia64/itanium2.md, config/ia64/predicates.md,
20550         config/iq2000/iq2000.h, config/mips/linux64.h,
20551         config/rs6000/aix41.h, config/rs6000/aix43.h,
20552         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
20553         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
20554         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
20555         config/sparc/linux64.h, config/sparc/litecoff.h,
20556         config/sparc/sp64-elf.h, config/sparc/sparc.c,
20557         config/sparc/sparc.h, config/sparc/sparc.md,
20558         config/sparc/sysv4-only.h: Update copyright.
20559
20560 2005-01-18  Richard Henderson  <rth@redhat.com>
20561
20562         PR target/19496
20563         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
20564
20565 2005-01-18  Marc Espie  <espie@openbsd.org>
20566         * config/i386/openbsdelf.h: Typo.
20567
20568 2005-01-18  Richard Henderson  <rth@redhat.com>
20569
20570         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
20571         special case for sse.
20572         * config/i386/predicates.md (sse_comparison_operator): Likewise.
20573
20574 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
20575
20576         * tree-inline.c (estimate_num_insns_1): Added cases for
20577         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
20578
20579 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
20580
20581         PR rtl-optimization/19296
20582         * combine.c (simplify_comparison): Rewrite the condition under
20583         which a non-paradoxical SUBREG of a PLUS can be lifted when
20584         compared against a constant.
20585
20586 2005-01-18  Andi Kleen <ak@muc.de>
20587
20588         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
20589         * c.opt (-Wpointer-sign): Add.
20590         * doc/invoke.texi: (-Wpointer-sign): Add.
20591
20592 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
20593
20594         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
20595         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
20596         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
20597         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
20598         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
20599         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
20600         for TARGET_MIX_SSE_I387.
20601         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
20602         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
20603         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
20604         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
20605         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
20606         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
20607         TARGET_MIX_SSE_I387.
20608         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
20609         from expander.
20610
20611 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
20612
20613         PR target/19424
20614         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
20615         Add movaps alternative for xmm reg->reg move.
20616
20617 2005-01-17  Jeff Law  <law@redhat.com>
20618
20619         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
20620         at the end of the main DOM loop rather than just before DOM exits.
20621
20622 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
20623
20624         PR tree-optimization/19121
20625         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
20626         adding aliases to a name tag, also add them to the pointer's
20627         type tag.
20628         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
20629         sensitive alias info at all.  Only check that the two pointers
20630         have compatible pointed-to sets.
20631         * tree-ssa.c (verify_name_tags): Verify that the alias set of
20632         a pointer's type tag is a superset of the alias set of the
20633         pointer's name tag.
20634
20635 2005-01-17  James E Wilson  <wilson@specifixinc.com>
20636
20637         PR target/19357
20638         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
20639         comment to document why.
20640
20641 2005-01-17  Richard Henderson  <rth@redhat.com>
20642
20643         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
20644         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
20645         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
20646         sse2_vmsminv2df3_finite): New.
20647         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
20648         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
20649         Force op1 into register.
20650
20651 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
20652
20653         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
20654         bubblestrap from always rebuilding build directory.
20655
20656 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
20657
20658         * config/s390/s390.md ("*clc"): Remove incorrect '='.
20659         ("*cmpmem_short"): Likewise.
20660
20661 2005-01-17  Steven Bosscher  <stevenb@suse.de>
20662
20663         * basic-block.h: Document BB_* flags.
20664         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
20665         use an sbitmap instead.
20666         * sched-rgn.c (compute_trg_info): Likewise.
20667
20668 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
20669
20670         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
20671         redundant target_cpu_default and extra_parts lines.  Use the default
20672         "from-abi" ISA.
20673         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
20674         (SUBTARGET_EXTRA_SPECS): Delete.
20675         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
20676         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
20677         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
20678         and "n32" for -mabi=n32.
20679
20680 2005-01-17  Ian Lance Taylor  <ian@airs.com>
20681
20682         PR c/5675
20683         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
20684         fold constant variables into initial values.
20685
20686 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
20687
20688         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
20689
20690         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
20691         through the statements backward.
20692
20693 2005-01-17  Ian Lance Taylor  <ian@airs.com>
20694
20695         PR middle-end/13127:
20696         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
20697         a variable set to the return value of the inlined function.
20698
20699 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
20700
20701         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
20702         when modes are tieable.
20703
20704 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
20705
20706         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
20707         of pthread_create to find out if threads are enabled.
20708         * gthr-posix95.h (__gthread_active_p): Likewise.
20709
20710 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
20711
20712         * common.opt (-fnew-ra): Remove.
20713         * ra*.*: Remove.
20714         * toplev.h (flag_new_regalloc): Remove.
20715         * Makefile.in (ra*.*): Don't mention.
20716         * passes.c (rest_of_handle_new_regalloc): Remove.
20717         (rest_of_handle_combine, rest_of_compilation): Always consider
20718         flag_new_regalloc as false.
20719         * doc/invoke.texi: Don't document -fnew-ra.
20720
20721 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
20722
20723         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
20724         last parameter to reg_scan.
20725         * loop.c (loop_optimize): Likewise.
20726         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
20727         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
20728         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
20729         rest_of_handle_gcse, rest_of_handle_loop_optimize,
20730         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
20731         * regclass.c (reg_scan): Likewise, for the declaration.
20732         * rtl.h (reg_scan): Likewise, for the prototype.
20733
20734 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
20735
20736         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
20737         mark_dfs_back_edges.
20738
20739 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
20740
20741         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
20742         (compute_avail): Uses don't go in tmp_gen.
20743
20744 2005-01-16  Steven Bosscher  <stevenb@suse.de>
20745
20746         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
20747         loop to look for a free slot in a page entry.
20748
20749 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
20750
20751         PR target/16304
20752         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
20753         * toplev.c (compile_file): Call process_pending_assemble_output_defs
20754         just before targetm.asm_out.file_end.
20755         * tree.h (process_pending_assemble_output_defs): Declare.
20756         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
20757         New functions.
20758         (assemble_alias): Defer generation of assembly code for defines when
20759         TARGET_DEFERRED_OUTPUT_DEFS is true.
20760         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
20761         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
20762         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
20763
20764 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
20765
20766         PR target/19336
20767         * pa.c (pa_scalar_mode_supported_p): New function.
20768         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
20769         * pa.h (MIN_UNITS_PER_WORD): Add comment.
20770
20771         * pa-protos.h (prefetch_operand): Delete.
20772         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
20773         * pa.c (prefetch_operand): Delete.
20774         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
20775         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
20776         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
20777         and prefetch_nocc_operand.
20778         * pa.md (prefetch): Rework to avoid reload problems handling short
20779         displacements when a cache control completer needs to be provided.
20780         (prefetch_32, prefetch_64): Delete.
20781         (prefetch_cc, prefetch_nocc): New patterns.
20782
20783 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
20784
20785         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
20786
20787 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
20788
20789         PR ada/19388
20790         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
20791         exceeds maximum alignment for global common data.
20792         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
20793         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
20794
20795 2004-01-15  Roger Sayle  <roger@eyesopen.com>
20796
20797         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
20798
20799 2004-01-15  Roger Sayle  <roger@eyesopen.com>
20800
20801         * harg-reg-set.h (reg_class_names): Prototype global array.
20802         * regclass.c (reg_class_names): Declare here and initialize to
20803         REG_CLASS_NAMES.
20804         (dump_regclass): Remove local declaration of reg_class_names.
20805         (regclass): Likewise.
20806         * cfg.c (dump_flow_info): Likewise.
20807         * ra-debug.c (reg_class_names): Likewise.
20808         * regrename.c (reg_class_names): Likewise.
20809         * reload.c (reg_class_names): Likewise.
20810         * reload1.c (spill_failure): Likewise.
20811         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
20812
20813 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
20814
20815         * config/s390/s390.md ("reload_outti"): Remove predicate for
20816         output operand.  Abort if operand is not a MEM.
20817         ("reload_outdi", "reload_outdf"): Likewise.
20818
20819 2005-01-15  Marc Espie  <espie@openbsd.org>
20820
20821         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
20822         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
20823         * config/openbsd.h:  Fix C++ includes for native configurations.
20824         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
20825         Add trampoline support.
20826         * config/i386/openbsdelf.h: New.
20827
20828 2005-01-15  Marc Espie  <espie@openbsd.org>
20829
20830         * collect2.c (main): Explicitly parse -dynamic-linker option.
20831
20832 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
20833
20834         PR tree-optimization/19060
20835         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
20836         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
20837         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
20838         and handle extract_range_from_cond returning false.
20839         * fold-const.c (fold): Optimize comparisons with min/max even for
20840         width > HOST_BITS_PER_WIDE_INT.
20841
20842 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
20843
20844         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
20845         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
20846         Remove little endian multilib variants.
20847         Add mips32 multilib variant.
20848
20849 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
20850
20851         * explow.c (copy_all_reg, stabilize): Remove.
20852         * expr.h: Remove the corresponding prototypes.
20853
20854         * rtlanal.c (regs_set_between_p): Remove.
20855         * rtl.h: Remove the corresponding prototype.
20856
20857 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
20858
20859         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
20860         to rs6000_nonimmediate_operand.
20861         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
20862         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
20863         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
20864         rs6000_nonimmediate_operand.
20865         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
20866         rs6000_nonimmediate_operand.
20867
20868 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
20869
20870         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
20871
20872 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
20873
20874         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
20875         on e500v2.
20876         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
20877         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
20878
20879         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
20880         (rs6k_nonimmediate_operand): New.
20881         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
20882         correctly.
20883         (legitimate_lo_sum_address_p): Same.
20884         (rs6000_legitimize_address): Same.
20885         (rs6000_legitimize_reload_address): Same.
20886         (rs6000_legitimate_address): Same.
20887         (spe_build_register_parallel): Pass DF and DC modes in a DI
20888         register.
20889
20890         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
20891         to rs6k_nonimmediate_operand.
20892
20893         * config/rs6000/spe.md ("*frob_df_di"): New.
20894         ("*frob_di_df"): New.
20895         ("*frob_di_df_2"): New.
20896         ("*mov_sidf_e500_subreg0"): New.
20897         ("*mov_sidf_e500_subreg4"): New.
20898         ("*movdf_e500_double"): Change predicate to
20899         rs6k_nonimmediate_operand.
20900
20901 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
20902
20903         * postreload.c (move2add_note_store): Only call
20904         trunc_int_for_mode on scalar integers.
20905
20906 2005-01-14  Steven Bosscher  <stevenb@suse.de>
20907
20908         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
20909         replace BB_VISITED uses.
20910         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
20911         (propagate_necessity): Check the bitmap instead of BB_VISITED.
20912         (tree_dce_done): Free visited_control_parents.
20913         (perform_tree_ssa_dce): Allocate and clear it.
20914         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
20915         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
20916         instead of BB_VISITED.
20917
20918 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
20919
20920         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
20921         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
20922         Remove unused prototypes.
20923
20924 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
20925
20926         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
20927         64-bit register usage.
20928         (spe_func_has_64bit_regs_p): Add FIXME note.
20929
20930 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
20931
20932         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
20933         flag_finite_math_only with flag_unsafe_math_optimizations.
20934
20935 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
20936
20937         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
20938         end-of-stack check.
20939         (__tpf_eh_return): Copy TPF private stack area from the module
20940         boundary stack frame.  Add check for when module addresses are
20941         equal, but no stub address is found.
20942
20943 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
20944
20945         PR target/7525
20946         * arm.h (struct machine_function): Add call_via field.
20947         (thumb_call_via_label): Declare.
20948         * arm.c (thumb_call_via_label): New variable.
20949         (thumb_call_reg_needed): New variable.
20950         (arm_output_function_epilogue): For Thumb code, output any per-function
20951         call-indirect trampolines.
20952         (thumb_call_via_reg): New function.
20953         (arm_file_end): New function.
20954         (TARGET_ASM_FILE_END): Call arm_file_end.
20955         (aof_file_end): Likewise.
20956         * arm-protos.h (thumb_call_via_reg): Declare.
20957         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
20958         thumb_call_via_reg in normal case.
20959
20960 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
20961
20962         PR middle-end/19084
20963         PR rtl-optimization/19348
20964         * recog.c (peephole2_optimize): Do global life update if some peephole
20965         decides it doesn't need at least one of its inputs and that change
20966         influences liveness at the start of the basic block.
20967
20968         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
20969         arguments instead of 1.
20970
20971 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
20972
20973         PR middle-end/18820
20974         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
20975         zero for nested functions needing a static chain or functions
20976         with a non-constant address.
20977
20978 2005-01-13  Roger Sayle  <roger@eyesopen.com>
20979
20980         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
20981         (and (sign_extend X) C) into (zero_extend (and X C)).
20982
20983 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
20984
20985         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
20986
20987 2005-01-13  Richard Henderson  <rth@redhat.com>
20988
20989         PR target/19009
20990         PR target/19250
20991         PR target/19252
20992         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
20993         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
20994         not just TARGET_SSE.
20995         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
20996         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
20997         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
20998         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
20999         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
21000         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
21001         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
21002         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
21003         (movdicc_c_rex64): Rename with '*'.
21004         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
21005         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
21006         (movsfcc_1_387): Rename from movsfcc_1.
21007         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
21008         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
21009         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
21010         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
21011         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
21012         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
21013         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
21014         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
21015         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
21016         sse_movdfcc_const0_4): Remove.
21017         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
21018         recognize min/max early.  Update for changed sse cmove patterns.
21019         (ix86_split_sse_movcc): New.
21020         * config/i386/i386-protos.h: Update.
21021
21022 2005-01-13  Steven Bosscher  <stevenb@suse.de>
21023
21024         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
21025         (fix_stmt_v_may_defs): Likewise.
21026
21027 2005-01-13  Richard Henderson  <rth@redhat.com>
21028
21029         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
21030         for converting the mask.
21031
21032 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
21033
21034         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
21035         definition to 600.
21036
21037 2005-01-13  Richard Henderson  <rth@redhat.com>
21038
21039         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
21040         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
21041         IX86_BUILTIN_MOVDQ2Q): Remove.
21042         (IX86_BUILTIN_VEC_EXT_V4SI): New.
21043         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
21044         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
21045         shuffling.
21046         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
21047         (sse2_pextrw): Fix immediate constraint.
21048         (sse2_loadq, sse2_loadq_rex64): Remove.
21049         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
21050         Use __builtin_ia32_vec_ext_<size>.
21051         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
21052
21053 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
21054
21055         * function.c (assign_parm_setup_block): Look inside original
21056         entry_parm when inspecting PARALLEL.
21057
21058 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
21059             Joel Sherrill  <joel@oarcorp.com>
21060
21061         PR target/19399
21062         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
21063         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
21064         rtems_gxx_recursive_mutex_init.
21065         (__gthread_recursive_mutex_lock): New function.
21066         (__gthread_recursive_mutex_trylock): Likewise.
21067         (__gthread_recursive_mutex_unlock): Likewise.
21068
21069 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
21070
21071         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
21072
21073 2005-01-13  Jan Beulich  <jbeulich@novell.com>
21074
21075         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
21076         (ashrti3_internal): Indicate output is early clobber. Generate result
21077         into output rather than first input. Use move for low word of output
21078         if shift count is exactly 64.
21079         (lshrti3_internal): Likewise.
21080
21081 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
21082
21083         PR target/18329
21084         PR target/18330
21085         * reload1.c (delete_output_reload): Don't delete an output reload
21086         if the pseudo lives longer than a single basic block.  Adjust and
21087         improve wording of comment.
21088
21089 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
21090
21091         PR target/19334
21092         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
21093         of TYPE_SIZE where we mean the number of bytes.
21094
21095 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
21096
21097         * function.c (assign_parm_setup_block): Relax condition on
21098         multi-register optimization.
21099
21100 2005-01-12  Nick Clifton  <nickc@redhat.com>
21101
21102         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
21103         an "in_delay_slot" attribute of "no" to prevent them being used in
21104         delay slots.  This is forbidden because they might generate
21105         exceptions.
21106
21107 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
21108
21109         PR target/19389
21110         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
21111         with r->Y and Y->r.
21112
21113 2005-01-12  Nick Clifton  <nickc@redhat.com>
21114
21115         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
21116         passed on to GAS) but do not define, as GAS no longer supports or
21117         needs the -m2000 option.
21118
21119 2005-01-11  Roger Sayle  <roger@eyesopen.com>
21120
21121         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
21122         type as args of unprototyped builtins aren't automatically promoted.
21123         (fold_builtin_abs): Likewise.
21124
21125 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
21126
21127         * Makefile.in: Set a `build-warn' variable.
21128
21129 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
21130
21131         PR tree-optimization/17949
21132         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
21133         (find_interesting_uses_address): Use it.
21134
21135 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
21136
21137         * regrename.c (kill_value): Handle subreg's that won't simplify.
21138
21139 2005-01-11  Richard Henderson  <rth@redhat.com>
21140
21141         PR target/13366
21142         * config/i386/i386.h (enum ix86_builtins): Move ...
21143         * config/i386/i386.c: ... here.
21144         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
21145         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
21146         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
21147         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
21148         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
21149         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
21150         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
21151         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
21152         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
21153         IX86_BUILTIN_LOADDDUP): Remove.
21154         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
21155         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
21156         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
21157         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
21158         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
21159         (ix86_init_builtins): Make static.
21160         (ix86_init_mmx_sse_builtins): Update for changed builtins.
21161         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
21162         if all the modes match.  Otherwise, fake it.
21163         (get_element_number, ix86_expand_vec_init_builtin,
21164         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
21165         (ix86_expand_builtin): Make static.  Update for changed builtins.
21166         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
21167         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
21168         (ix86_expand_vector_init_duplicate): New.
21169         (ix86_expand_vector_init_low_nonzero): New.
21170         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
21171         Split out from ix86_expand_vector_init; handle integer modes.
21172         (ix86_expand_vector_init): Use them.
21173         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
21174         * config/i386/i386-protos.h: Update.
21175         * config/i386/predicates.md (reg_or_0_operand): New.
21176         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
21177         (movv2sf_internal): Likewise.  And a splitter to match them all.
21178         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
21179         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
21180         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
21181         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
21182         (mmx_pinsrw): Fix operand ordering.
21183         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
21184         rather than sse_loadss expander.
21185         (movv2df splitter): Similarly.
21186         (sse_loadss, sse_loadlss): Remove.
21187         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
21188         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
21189         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
21190         (sse3_movddup): Rename with '*'.
21191         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
21192         (sse2_loadsd): Remove.
21193         (vec_dupv2df_sse3): Rename from sse3_loadddup.
21194         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
21195         (sse2_pinsrw): Fix argument ordering.
21196         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
21197         (sse2_stored): Remove 'r' destination.
21198         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
21199         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
21200         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
21201         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
21202         vec_extractv16qi, vec_initv16qi): New.
21203
21204         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
21205         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
21206         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
21207         constructor form.
21208         (_mm_load_pd, _mm_store_pd): Use plain dereference.
21209         (_mm_load_si128, _mm_store_si128): Likewise.
21210         (_mm_load1_pd): Use _mm_set1_pd.
21211         (_mm_load_sd): Use _mm_set_sd.
21212         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
21213         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
21214         (_mm_set_epi64): Use _mm_set_epi64x.
21215         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
21216         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
21217         _mm_setr_epi8): Use _mm_set_foo form.
21218         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
21219         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
21220         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
21221         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
21222         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
21223         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
21224         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
21225         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
21226         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
21227         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
21228         (_mm_movedup_pd): Use _mm_shuffle_pd.
21229         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
21230         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
21231         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
21232         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
21233         Use _mm_setzero_ps.
21234         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
21235         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
21236         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
21237         (_mm_store_ps): Use raw dereference.
21238         (_mm_store1_ps): Use _mm_storeu_ps.
21239         (_mm_storer_ps): Use _mm_store_ps.
21240         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
21241         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
21242
21243 2005-01-11  Stan Shebs  <shebs@apple.com>
21244
21245         * config/rs6000/rs6000.c (machopic_output_stub): Issue
21246         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
21247
21248 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
21249
21250         PR target/18761
21251         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
21252         Skip all DECLs except for FIELD_DECLs.
21253
21254 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
21255
21256         * config/s390/s390.c (override_options): Return error if
21257         -mbackchain, -mpacked-stack and -mhard-float are used together.
21258         (s390_va_start): Remove the backchain && packed-stack special case.
21259         (s390_gimplify_va_arg): Likewise.
21260         * doc/invoke.texi: Remove the ABI incompatibility note.
21261
21262 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
21263
21264         * config/s390/s390.c (struct s390_frame_layout): Remove
21265         save_backchain_p.
21266         (s390_frame_info, s390_emit_prologue): Replace occurrences of
21267         save_backchain_p with TARGET_BACKCHAIN.
21268
21269 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
21270
21271         PR target/18916
21272         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
21273         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
21274         * function.c (locate_and_pad_parm): Set new field.
21275         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
21276         Tweak where_pad test to include "none".  Always set mem align for
21277         stack_parm.
21278         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
21279         not sufficient for type.
21280         (assign_parm_setup_block): If stack_parm is zero on entry, always
21281         make a new stack local.  Block move old stack parm if necessary
21282         to new aligned stack local.
21283         (assign_parm_setup_stack): Use a block move to handle
21284         potentially misaligned entry_parm.
21285         (assign_parms_unsplit_complex): Specify required alignment when
21286         creating stack local.
21287         * calls.c (compute_argument_addresses): Override alignment of stack
21288         arg calculated from its type with the alignment given by
21289         FUNCTION_ARG_BOUNDARY.
21290         (store_one_arg): Likewise.
21291
21292 2005-01-11  Jan Beulich  <jbeulich@novell.com>
21293
21294         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
21295         Change respective itanium_class attribute to ialu.
21296         (shladdp4_internal): New.
21297         * config/ia64/predicates.md (shladd_log2_operand): New.
21298
21299 2005-01-11  Richard Henderson  <rth@redhat.com>
21300
21301         * expr.c (store_constructor): Use rtvec_alloc instead of
21302         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
21303
21304 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
21305
21306         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
21307
21308 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
21309
21310         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
21311         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
21312         (TARGET_RWRELOC): Define.
21313         (ia64_rwreloc_section_type_flags): Delete.
21314         (ia64_section_type_flags): New function.
21315         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
21316         (TARGET_RWRELOC): Define.
21317
21318 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
21319
21320         PR target/18987
21321         * config/ia64/ia64.c (process_set): For alloc insn, only call
21322         process_epilogue is !frame_pointer_needed.
21323
21324 2005-01-10  Roger Sayle  <roger@eyesopen.com>
21325
21326         PR c++/19355
21327         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
21328         unary operator and can't be treated as a binary/comparison operator.
21329
21330 2005-01-10  Richard Henderson  <rth@redhat.com>
21331
21332         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
21333         (ix86_return_in_memory): Likewise.
21334         (function_arg_advance):  Likewise.  Mirror structure in function_arg
21335         for choosing register to advance.
21336
21337 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
21338
21339         * tree-vectorizer.c, tree.def: Fix comment typos.
21340
21341 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
21342
21343         * config/s390/s390.c (struct processor_costs): 4 new fields:
21344         ddbr, ddr, debr, der.
21345         (s390_rtx_costs): More precise handling of divide instructions.
21346
21347 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
21348
21349         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
21350
21351 2005-01-10  Jan Beulich  <jbeulich@novell.com>
21352
21353         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
21354         names resulting from -ffunction-sections/-fdata-sections and linkonce
21355         ones.
21356         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
21357         based on the section name. Rearrange the section name comparison logic
21358         slightly so that each section name is compared against at most once.
21359
21360 2005-01-10  Ben Elliston  <bje@au.ibm.com>
21361
21362         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
21363         targets for which -fPIC reduces limitations on the GOT size.
21364
21365 2005-01-09  Falk Hueffner  <falk@debian.org>
21366
21367         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
21368         X/C1 cmpop C2.
21369
21370 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
21371
21372         PR target/18720
21373         * collect2.c (main): Set aixrtl_flag for -brtl option.
21374         (resolve_lib_name): Search for .so file extension before .a
21375         if aixrtl_flag set.
21376
21377 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
21378
21379         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
21380         (vect_analyze_data_refs_alignment): Add dump prints.
21381
21382 2005-01-09  Ira Rosen  <irar@il.ibm.com>
21383
21384         * tree-vectorizer.c (vect_analyze_offset_expr): Use
21385         expr_invariant_in_loop_p.
21386         Initialize outputs first thing in the function.
21387         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
21388         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
21389         (vect_analyze_pointer_ref_access): Check that the initial condition of
21390         the access function is loop invariant.
21391
21392 2005-01-09  Richard Henderson  <rth@redhat.com>
21393
21394         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
21395         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
21396         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
21397         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
21398         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
21399         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
21400         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
21401         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
21402         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
21403         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
21404         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
21405         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
21406         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
21407         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
21408         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
21409         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
21410         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
21411         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
21412         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
21413         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
21414         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
21415         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
21416         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
21417         mmx_ prefix.
21418         (mmx_clrdi, pavgusb): Remove.
21419         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
21420         with leading sse_ prefix.
21421         * config/i386/sse.md: Receive them.
21422         * config/i386/mmx.md: New file.
21423         (MMXMODE12, MMXMODE24, mmxvecsize): New.
21424         (subrv2sf3): Turn into expander for normal subtraction.
21425         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
21426         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
21427         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
21428         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
21429         commutative; use ix86_binary_operator_ok.
21430         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
21431         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
21432         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
21433         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
21434         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
21435         Macroize from existing patterns; use ix86_binary_operator_ok.
21436         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
21437         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
21438         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
21439         with vec_select+vec_concat.
21440         (mmx_pshufw, mmx_pshufw_1): Likewise.
21441         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
21442         (mmx_uavgv4hi3): Model correctly.
21443         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
21444         _mm_xor_si64): Remove casts.
21445
21446 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
21447
21448         PR tree-optimization/19224
21449         * tree-scalar-evolution.c (get_instantiated_value,
21450         set_instantiated_value): New functions.
21451         (instantiate_parameters_1): Cache the results.
21452         (instantiate_parameters, resolve_mixers): Initialize and free
21453         the cache.
21454
21455 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
21456
21457         * config/i386/i386.md (addhi_4): Correct reference in comment.
21458         (addqi_4): Same.
21459
21460 2005-01-08  Richard Henderson  <rth@redhat.com>
21461
21462         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
21463         (_mm_cvtsi128_si64x): Likewise.
21464         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
21465         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
21466         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
21467         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
21468         * config/i386/i386-protos.h: Update.
21469         * config/i386/i386.c (print_operand): Add 'H'.
21470         (ix86_fixup_binary_operands): Split out from ...
21471         (ix86_expand_binary_operator): ... here.
21472         (ix86_fixup_binary_operands_no_copy): New.
21473         (ix86_expand_fp_absneg_operator): Handle vector mode results.
21474         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
21475         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
21476         (safe_vector_operand): Use CONST0_RTX.
21477         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
21478         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
21479         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
21480         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
21481         special cases.
21482         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
21483         (IX86_BUILTIN_CMPNGESS): New.
21484         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
21485         (attr type): Add sselog1.
21486         (attr unit, attr memory): Handle it.
21487         (movti, movti_internal, movti_rex64): Move near other integer moves.
21488         (movtf, movtf_internal): Move near other fp moves.
21489         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
21490         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
21491         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
21492         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
21493         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
21494         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
21495         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
21496         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
21497         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
21498         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
21499         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
21500         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
21501         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
21502         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
21503         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
21504         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
21505         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
21506         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
21507         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
21508         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
21509         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
21510         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
21511         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
21512         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
21513         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
21514         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
21515         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
21516         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
21517         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
21518         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
21519         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
21520         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
21521         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
21522         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
21523         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
21524         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
21525         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
21526         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
21527         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
21528         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
21529         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
21530         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
21531         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
21532         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
21533         same time.
21534         (SSEPUSH, push<SSEPUSH>): Remove.
21535         (MMXPUSH, push<MMXPUSH>): Remove.
21536         (sse_movaps, sse_movaps_1, sse_movups): Remove.
21537         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
21538         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
21539         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
21540         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
21541         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
21542         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
21543         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
21544         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
21545         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
21546         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
21547         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
21548         (ppro_sse_log_V4SF): Handle sselog1.
21549         * config/i386/predicates.md (const_0_to_1_operand): New.
21550         (const_0_to_255_mul_8_operand): New.
21551         (const_1_to_31_operand): Rename from const_int_1_31_operand.
21552         (const_2_to_3_operand, const_4_to_7_operand): New.
21553         * config/i386/sse.md: New file.
21554         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
21555         (sse_movups): Rename from sse_movups_1.
21556         (sse_loadlss): Rename from sse_loadss_1.
21557         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
21558         from the name.
21559         (negv4sf2): Use ix86_expand_fp_absneg_operator.
21560         (absv4sf2, negv2df, absv2df): New.
21561         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
21562         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
21563         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
21564         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
21565         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
21566         (sse3_addsubv4sf3): Model correctly.
21567         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
21568         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
21569         (sse_movhlps): Model with vec_select+vec_concat.
21570         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
21571         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
21572         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
21573         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
21574         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
21575         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
21576         sse2_pshufhw_1): Likewise.
21577         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
21578         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
21579         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
21580         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
21581         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
21582         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
21583         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
21584         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
21585         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
21586         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
21587         sminv8hi3): Mark commutative
21588         operands.  Use ix86_binary_operator_ok.
21589         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
21590         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
21591         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
21592         sse2_punpcklqdq): Allow operand2 in memory.
21593         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
21594         sse2_movsd): Add memory alternatives.
21595         (sse_storelps): Turn expander into an insn; split after reload.
21596         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
21597         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
21598
21599 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
21600
21601         * configure.ac (DWARF-2 debug_line): Use objdump.
21602         * configure: Regenerate.
21603
21604 2005-01-08  Jeff Law  <law@redhat.com>
21605             Diego Novillo  <dnovillo@redhat.com>
21606
21607         PR tree-optimization/18241
21608         * tree-nrv.c (tree_nrv): Ignore volatile return values.
21609         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
21610         statements with volatile operands.
21611         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
21612         operands after marking a statement with has_volatile_ops.
21613
21614 2005-01-08  Roger Sayle  <roger@eyesopen.com>
21615
21616         * tree.c (int_fits_type_p): Always honor integer constant
21617         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
21618
21619 2005-01-08  Roger Sayle  <roger@eyesopen.com>
21620
21621         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
21622         the latent bug in rtl_delete_block has been resolved.
21623
21624 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
21625
21626         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
21627         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
21628
21629 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
21630
21631         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
21632         library as @multilib_dir@/$(SHLIB_SONAME).
21633
21634 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
21635
21636         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
21637         * configure: Regenerate.
21638
21639 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
21640
21641         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
21642         TYPE_MODE.
21643
21644 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
21645
21646         PR target/13674
21647         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
21648         Convert non-word aligned offset address using ld/std into
21649         indirect address.
21650
21651 2005-01-07  Richard Henderson  <rth@redhat.com>
21652
21653         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
21654
21655 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
21656
21657         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
21658
21659 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
21660
21661         PR tree-optimization/19283
21662         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
21663         is not shorter than the original type.
21664
21665         PR rtl-optimization/19012
21666         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
21667
21668         PR rtl-optimization/18861
21669         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
21670         (FULL_STATE): Define.
21671         (mark_tablejump_edge): New function.
21672         (purge_dead_tablejump_edges): New function.
21673         (find_bb_boundaries): Use it.
21674
21675         PR tree-optimization/18828
21676         * builtins.c (expand_builtin_next_arg): Remove argument and all
21677         the argument checking.
21678         (expand_builtin): Adjust caller.
21679         (expand_builtin_va_start): Likewise.  Remove error for too many
21680         arguments.
21681         (fold_builtin_next_arg): Issue error for too many arguments.
21682         After checking arguments, replace them with magic arguments that
21683         prevent further checking of the args.
21684
21685 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
21686
21687         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
21688
21689 2005-01-06  Roger Sayle  <roger@eyesopen.com>
21690
21691         PR target/6077
21692         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
21693         and %{.S:...} (and their negative variants) to test whether the
21694         input file is assembler or pre-processed-assembler independent of
21695         the actual filename extension.
21696
21697 2005-01-06  Roger Sayle  <roger@eyesopen.com>
21698
21699         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
21700         of sign or zero extended values.
21701
21702 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
21703
21704         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
21705         for IBM long double format correctly.
21706
21707 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
21708
21709         Fix PR tree-optimization/18792
21710
21711         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
21712         to first_loop_depth, and use loop depth instead of loop number.
21713         (build_classic_dir_vector): Ditto.
21714         (compute_data_dependences_for_loop): Use depth, not loop number.
21715         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
21716         number. Pass in loops, instead of loop numbers.
21717         (gather_interchange_stats): Ditto.
21718         (linear_transform_loops): Ditto.
21719
21720 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
21721
21722         PR rtl-opt/13299
21723         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
21724         biv_fits_mode_p, extension_within_bounds_p): New functions.
21725         (check_ext_dependent_givs): Use them.
21726
21727 2005-01-06  Roger Sayle  <roger@eyesopen.com>
21728
21729         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
21730         more than one barrier, in which case we should delete them all.
21731
21732 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
21733
21734         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
21735
21736 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
21737
21738         Fix PR middle-end/19286
21739         Fix PR debug/19267
21740         * dwarf2out.c (gen_subprogram_die): If we've already tried to
21741         output this subprogram, simply ignore this attempt to do it again.
21742         (add_abstract_origin_attribute): Don't abort trying to add the abstract
21743         origin attribute if it's not possible.
21744         (gen_block_die): Don't ignore subblocks of "unused" blocks.
21745         (decls_for_scope): Ditto.
21746         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
21747         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
21748
21749 2005-01-05  Richard Henderson  <rth@redhat.com>
21750
21751         PR target/11327
21752         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
21753         (bdesc_2arg): Use it.
21754         (ix86_expand_binop_builtin): Force operands into registers
21755         when optimizing.
21756         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
21757         ix86_expand_sse_compare, ix86_expand_sse_comi,
21758         ix86_expand_builtin): Likewise.
21759
21760 2005-01-05  Richard Henderson  <rth@redhat.com>
21761
21762         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
21763         and VEC_SELECT.
21764         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
21765         (mulv4hi3): Set itanium_class mmmul.
21766         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
21767         (fpack): Rename from fpack_sfsf.
21768
21769 2005-01-05  Richard Henderson  <rth@redhat.com>
21770
21771         PR rtl-opt/10692
21772         * reload1.c (do_input_reload): Restrict the optimization deleteing
21773         a previous output reload to RELOAD_FOR_INPUT.
21774
21775 2005-01-05  Steven Bosscher  <stevenb@suse.de>
21776
21777         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
21778         comment that we fall through after case.
21779         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
21780         (distribute_links): Likewise.
21781         * cse.c (cse_insn): Likewise.
21782         * cselib.c (cselib_invalidate_mem): Likewise.
21783         * df.c: Update comments at the top of the file.
21784         (read_modify_subreg_p): Update comments here too.
21785         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
21786         * flow.c (mark_set_1): Likewise.
21787         (mark_used_regs): Likewise.
21788         * gcse.c (mems_conflict_for_gcse_p): Likewise.
21789         (canon_list_insert): Likewise.
21790         (mark_set): Likewise.
21791         (try_replace_reg): Likewise.
21792         (store_killed_in_insn): Likewise.
21793         * loop.c (count_one_set): Likewise.
21794         (basic_induction_var): Likewise.
21795         * postreload-gcse.c (find_mem_conflicts): Likewise.
21796         * postreload.c (reload_combine_note_store): Likewise.
21797         (move2add_note_store): Likewise.
21798         * reload.c (find_equiv_reg): Likewise.
21799         (mark_referenced_resources): Likewise.
21800         * rtlanal.c (set_noop_p): Likewise.
21801         (note_stores): Likewise.
21802         (note_uses): Likewise.
21803         * sched-deps.c (sched_analyze_1): Likewise.
21804         * sched-rgn.c (check_live_1): Likewise.
21805         (update_live_1): Likewise.
21806         * config/i860/i860.c: Likewise.
21807
21808         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
21809         an lvalue.
21810         (ZERO_EXTRACT): Mention that this one can be an lvalue.
21811
21812         * doc/rtl.texi: Update documentation for bit-fields and SET.
21813
21814 2005-01-05  Roger Sayle  <roger@eyesopen.com>
21815
21816         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
21817
21818 2005-01-05  Jan Hubicka  <jh@suse.cz>
21819             Richard Henderson  <rth@redhat.com>
21820
21821         PR target/18910
21822         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
21823         with an offset.
21824
21825 2005-01-05  Richard Henderson  <rth@redhat.com>
21826
21827         PR target/12902
21828         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
21829         (sse_shufps): Change operand 3 to const_int_operand.
21830         (sse2_storelps): Fix typo in template.
21831         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
21832         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
21833         (ix86_expand_builtin): Likewise.
21834
21835 2005-01-05  Julian Brown  <julian@codesourcery.com>
21836
21837         * config/arm/arm.c (arm_return_in_memory): Treat complex types
21838         as aggregates for AAPCS ABIs.
21839
21840 2005-01-05  Stan Shebs  <shebs@apple.com>
21841
21842         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
21843         Mach-O getters if ppc64.
21844         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
21845         size argument.
21846         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
21847         signed four-byte field for global code case.
21848         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
21849
21850 2005-01-05  Roger Sayle  <roger@eyesopen.com>
21851
21852         PR middle-end/19100
21853         * c-common.c: Include real.h.
21854         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
21855         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
21856         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
21857         * Makefile.in (c-common.o): Update dependencies.
21858
21859 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
21860
21861         * c-parse.in (asm_string): Add trailing semicolon.
21862
21863 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
21864
21865         * c-parse.in (asm_string): New.  Don't allow wide strings in
21866         'asm'.
21867         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
21868         asm_string instead of STRING.
21869
21870 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
21871
21872         * c-typeck.c (constructor_no_implicit): Remove.
21873         (set_designator, process_init_element): Don't check
21874         constructor_no_implicit.
21875
21876 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
21877             Kaz Kojima  <kkojima@gcc.gnu.org>
21878
21879         PR target/16482
21880         * lcm.c (create_pre_exit): New.
21881         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
21882         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
21883
21884 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
21885
21886         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
21887         -msoft-float in target_float_switch.
21888         * arm.c (arm_override_options): Fix processing of target_float_switch.
21889
21890 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
21891
21892         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
21893         preferencing.
21894
21895 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
21896
21897         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
21898         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
21899
21900 2005-01-04  Roger Sayle  <roger@eyesopen.com>
21901
21902         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
21903         if deleting the then-block allows the test-block to fallthru to the
21904         else-block.
21905
21906 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
21907
21908         PR c/19152
21909         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
21910         after the full declaration if the are in two different TUs.
21911
21912 2005-01-04  Richard Henderson  <rth@redhat.com>
21913
21914         PR tree-opt/19158
21915         * tree-sra.c (generate_one_element_init): Just
21916         call gimplify_and_add.
21917         (generate_element_init): Record the
21918         new referenced variables and mark them for renaming
21919         and split out to ...
21920         (generate_element_init_1): This.
21921         (scalarize_init): Don't call push_gimplify_context/
21922         pop_gimplify_context.
21923
21924 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
21925
21926         * toplev.c (get_src_pwd): Handle failure of getpwd().
21927
21928 2005-01-04  Roger Sayle  <roger@eyesopen.com>
21929
21930         * fold-const.c (fold_single_bit_test): Delete unreachable handling
21931         of TRUTH_NOT_EXPR.
21932         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
21933         all the cases handled by it are inverted by invert_truthvalue.
21934
21935 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
21936
21937         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
21938         (save_register_windowsi): Likewise.
21939
21940 2005-01-04  Richard Henderson  <rth@redhat.com>
21941
21942         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
21943
21944 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
21945
21946         PR middle-end/17767
21947         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
21948         any simplifications of vector mode comparison operators.
21949         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
21950
21951 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
21952             Devang Patel  <dpatel@apple.com>
21953
21954         PR tree-optimization/18308
21955         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
21956         the operands before creating a new expression.
21957         * dojump.c (do_jump): Make drop_through_label available
21958         for all cases.  Add expansion of COND_EXPR.
21959
21960 2005-01-04  Ira Rosen  <irar@il.ibm.com>
21961
21962         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
21963         INTEGER_CST instead of TREE_CONSTANT.
21964         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
21965         instead of TREE_CONSTANT.
21966         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
21967         instead of TREE_CONSTANT.
21968
21969 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
21970
21971         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
21972
21973 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
21974
21975         PR target/19240
21976         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
21977         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
21978
21979 2005-01-03  Richard Henderson  <rth@redhat.com>
21980
21981         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
21982         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
21983         fold_convert_const_real_from_real): Split out from ...
21984         (fold_convert_const): ... here.
21985
21986 2005-01-03  Richard Henderson  <rth@redhat.com>
21987
21988         PR target/19235
21989         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
21990         (mov<MMXMODEI>_internal): Likewise.
21991         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
21992         Add V2SF case; use it for SSE1; don't use TI.
21993         (movdf_integer): Likewise.
21994         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
21995
21996 2005-01-03  Ira Rosen  <irar@il.ibm.com>
21997
21998         * tree-vectorizer.c (vect_strip_conversions): New function.
21999         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
22000         check for binary class.
22001
22002 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
22003
22004         Fix PR debug/17924
22005         Fix PR debug/19191
22006         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
22007         is a decl.
22008         * gimple-low.c (mark_blocks_with_used_vars): New function.
22009         (mark_blocks_with_used_subblocks): Ditto.
22010         (mark_used_blocks): Ditto.
22011         (pass_mark_used_blocks): New pass.
22012         * tree-inline.c: Include debug.h.
22013         (expand_call_inline): Call outlining_inline_function here.
22014         * tree-optimize.c (init_tree_optimization_passes): Add
22015         pass_mark_used_blocks.
22016         * tree-pass.h (pass_mark_used_blocks): New.
22017         * Makefile.in (tree-inline.o): Add debug.h dependency.
22018
22019 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
22020
22021         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
22022         VAR_DECLs to have weak_import attribute.
22023
22024         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
22025         'struct ucontext'.
22026
22027 2004-01-03  Steven Bosscher  <stevenb@suse.de>
22028
22029         * passes.c (rest_of_compilation): Don't run regmove if only
22030         flag_expensive_optimizations, require flag_regmove instead.
22031
22032 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
22033
22034         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
22035         register "sparc".
22036         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
22037         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
22038         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
22039         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
22040
22041 2005-01-03  Richard Henderson  <rth@redhat.com>
22042
22043         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
22044         (ia64_const_ok_for_letter_p): New.
22045         (ia64_const_double_ok_for_letter_p): New.
22046         (ia64_extra_constraint): New.
22047         (ia64_expand_vecint_compare): New.
22048         (ia64_expand_vcondu_v2si): New.
22049         (ia64_expand_vecint_cmov): New.
22050         (ia64_expand_vecint_minmax): New.
22051         (ia64_print_operand): Add 'v'.
22052         (ia64_preferred_reload_class): New.
22053         (ia64_vector_mode_supported_p): New.
22054         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
22055         (PREFERRED_RELOAD_CLASS): Move to function.
22056         (CONST_OK_FOR_LETTER_P): Move to function.
22057         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
22058         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
22059         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
22060         (EXTRA_CONSTRAINT): Move to function.
22061         * config/ia64/ia64.md: Include vect.md.
22062         (itanium_class): Add mmalua.
22063         (type): Handle it.
22064         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
22065         (1b_mmalua): New.
22066         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
22067         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
22068         CONST0_RTX.
22069         (const_int_2bit_operand): New.
22070         (fr_reg_or_0_operand): New.
22071         * config/ia64/ia64-modes.def: Add vector modes.
22072         * config/ia64/ia64-protos.h: Update.
22073         * config/ia64/vect.md: New file.
22074
22075 2005-01-03  Richard Henderson  <rth@redhat.com>
22076
22077         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
22078
22079 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
22080
22081         PR target/19236
22082         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
22083         to SFmode.
22084         (log1pdf2): Change mode of operands[0,1] to DFmode.
22085
22086 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
22087
22088         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
22089         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
22090         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
22091         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
22092         SPARC_RELAXED_ORDERING.
22093
22094 2005-01-03  Richard Henderson  <rth@redhat.com>
22095             Uros Bizjak  <uros@kss-loka.si>
22096
22097         PR target/14631
22098         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
22099         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
22100         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
22101         handling.
22102         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
22103         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
22104         const_pow2_1_to_128_operand): New predicates.
22105
22106 2005-01-02  Greg McGary  <greg@mcgary.org>
22107
22108         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
22109         anonymous decls.
22110         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
22111         object.  [ptr_type]: Remove unused variable.
22112         Remember nearest addressable array-element or record-component
22113         when checking bitfield components.  Tolerate empty BIND_EXPR.
22114
22115 2005-01-01  Richard Henderson  <rth@redhat.com>
22116
22117         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
22118         that don't narrow the value.  Fail for other conversions.
22119
22120 2005-01-01  Richard Henderson  <rth@redhat.com>
22121
22122         PR c/19031
22123         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
22124         * c-lang.c (finish_file): Don't do it here.
22125         * objc/objc-act.c (objc_finish_file): Likewise.
22126
22127         * cgraph.c (decl_assembler_name_equal): New.
22128         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
22129         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
22130         * cgraph.h (struct cgraph_varpool_node): Add next.
22131         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
22132         * varasm.c (assemble_alias): Mark the target as needed.
22133
22134 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
22135
22136         PR middle-end/19221
22137         * function.c (get_arg_pointer_save_area): Use entry_of_function
22138         instead of get_insns.
22139
22140 2005-01-01  Roger Sayle  <roger@eyesopen.com>
22141             Andrew Pinski  <pinskia@physics.uc.edu>
22142             James E. Wilson  <wilson@specifixinc.com>
22143
22144         PR rtl-optimization/12092
22145         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
22146         is zero.
22147
22148 2005-01-01  Roger Sayle  <roger@eyesopen.com>
22149             Olivier Hainque  <hainque@act-europe.fr>
22150
22151         * tree.c (int_fits_type_p): A narrower type always fits in a
22152         wider one, except for negative values into unsigned types.
22153
22154 2005-01-01  Roger Sayle  <roger@eyesopen.com>
22155
22156         * tree.c (int_fits_type_p): Compare the result of force_fit_type
22157         with the original constant rather than require TREE_OVERFLOW.
22158
22159 2005-01-01  Steven Bosscher  <stevenb@suse.de>
22160
22161         PR middle-end/17544
22162         * c-decl.c (finish_function): If compiling C99, annotate the
22163         compiler generated return with the current file name and line 0.
22164         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
22165         the source line is greater than 0.
22166         (remove_bb): Likewise.