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1 2004-09-02  Ziemowit Laski  <zlaski@apple.com>
2
3         * c-decl.c (store_parm_decls_newstyle): Make static.
4         (store_parm_decls_from): New function.
5         * c-tree.h (store_parm_decls_newstyle): Remove prototype.
6         (store_parm_decls_from): New prototype.
7
8 2004-09-02  David Edelsohn  <edelsohn@gnu.org>
9
10         * config/rs6000/rs6000.c (expand_block_move): Use SImode and
11         HImode with STRICT_ALIGNMENT.
12
13 2004-09-02  Mark Mitchell  <mark@codesourcery.com>
14
15         * config/arm/bpabi.h (TARGET_BPABI_CPP_BUILTINS): Define.
16         (TARGET_OS_CPP_BUILTINS): Likewise.
17         * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Include
18         TARGET_BPABI_CPP_BUILTINS.
19
20 2004-09-02  Roman Zippel  <zippel@linux-m68k.org>
21  
22         * combine.c (distribute_notes): Don't add REG_LABEL to jump insn.
23
24 2004-09-02  Eric Christopher  <echristo@redhat.com>
25
26         * builtins.c (expand_builtin_cabs): Delete.
27         (expand_builtin): If unable to fold the values do a normal
28         library call for builtin_cab*.
29         (fold_builtin_cabs): Depend on optimize and optimize_size.
30         * optabs.c (expand_cmplxdiv_straight): Delete.
31         (expand_cmplxdiv_wide): Ditto.
32         (expand_vector_binop): Ditto.
33         (expand_vector_unop): Ditto.
34         (expand_complex_abs): Delete.
35         (expand_binop): Remove calls to above functions.
36         Remove open coding of complex arithmetic.
37         (expand_unop): Ditto.
38         * optabs.h: Remove prototypes.
39
40 2004-09-02  Ziemowit Laski  <zlaski@apple.com>
41
42         * c-decl.c (store_parm_decls_newstyle): Make externally visible.
43         * c-tree.h (store_parm_decls_newstyle): New prototype.
44
45 2004-09-02  Geoffrey Keating  <geoffk@apple.com>
46
47         * config/rs6000/rs6000.c (expand_block_clear): Use vector
48         instructions if available.
49         (expand_block_move): Likewise.
50
51 2004-09-03  Jan Hubicka  <jh@suse.cz>
52
53         * rtl.def (RANGE_INFO, RANGE_REG, RANGE_VAR, RANGE_LIVE): Kill.
54
55 2004-09-02  Mark Mitchell  <mark@codesourcery.com>
56
57         * config/arm/symbian.h (LIB_SPEC): Define to empty.
58         * config/arm/t-symbian (SHLIB_LC): Likewise.
59
60 2004-09-02  Paul Brook  <paul@codesourcery.com>
61
62         * config/arm/bpabi.c (__aeabi_ul2d, __aeabi_ul2f): Remove.
63
64 2004-09-02  Richard Sandiford  <rsandifo@redhat.com>
65
66         * config/mips/mips.c (mips_classify_symbol, mips_fetch_insns):
67         (mips_restore_gp, mips_set_return_address, mips_expand_prologue)
68         (mips16_fp_args, mips_avoid_hazard): Replace abort with gcc_assert.
69         (build_mips16_call_stub): Likewise.  Remove daft CALL_INSN checks.
70         (mips_issue_rate): Remove unreachable abort.
71         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
72         (mips_output_move, mips_relational_operand_ok_p, mips_arg_info)
73         (mips_block_move_straight, print_operand_address, mips_file_start)
74         (mips_initial_elimination_offset, mips16_fp_args, dump_constants_1)
75         (mips_output_conditional_branch, mips_expand_builtin_direct)
76         (mips_expand_builtin_compare): Replace abort with gcc_unreachable.
77         * config/mips/mips.md (rotr<mode>3, consttable_float): Replace abort
78         with gcc_assert.
79
80 2004-09-02  Richard Sandiford  <rsandifo@redhat.com>
81
82         * config/mips/mips.md (*lea_high64): Change split condition to
83         flow2_completed.  Add a peephole2 to generate a more parallel version.
84
85 2004-09-02  Jan Hubicka  <jh@suse.cz>
86
87         * gimplify.c (gimplify_compound_lval): Move "stack" varray out of
88         GGC.
89
90         * ggc-page.c: include tree-flow.h.
91         (extra_order_size_table): Add stmt_ann_d.
92         (STAT_LABEL): Rename from ....
93         (LABEL): ... this one.
94         * Makefile.in (ggc-page.o): Add dependency.
95
96         * ggc-common.c (ggc_force_collect): New global variable.
97         (loc_description): Add fields "freed", "collected"
98         (ptr_hash): New static hash
99         (ptr_hash_entry): New structure.
100         (hash_ptr,eq_ptr,ggc_prune_ptr): New static functions.
101         (ggc_record_overhead): Take ptr argument, record it
102         (ggc_prune_overhead_list, ggc_free_overhead): New functions.
103         (cmp_statistics): Imrove sorting.
104         (dump_ggc_loc_statistics): Output newly collected statistics
105         * ggc-page.c (ggc_alloc): Update call of ggc_record_overhead
106         (ggc_free): Call ggc_free_overhead.
107         (ggc_collect): Force collection when asked to be forced.
108         (ggc_collect): Call ggc_prune_overhead_list.
109         * ggc.h (ggc_force_collect): Declare
110         (ggc_record_overhead): Update prototype.
111         (ggc_free_overhead, ggc_prune_overhead_list): Declare.
112
113 2004-09-02  James E Wilson  <wilson@specifixinc.com>
114
115         * common.opt (ftrapping-math): Default to on.
116
117 2004-09-02  Richard Earnshaw  <rearnsha@arm.com>
118
119         * arm/predicates.md (arm_reload_memory_operand): Allow MEM.
120
121 2004-09-02  Denis Chertykov  <denisc@overta.ru>
122
123         PR target/16884
124         * config/avr/avr.md ("movmemhi"): Substitute match_dup to
125         match_scratch.
126         (*movmemqi_insn): Likewise.
127         (*movmemhi): Likewise.
128         (clrmemhi): Likewise.
129         (*clrmemqi): Likewise.
130         (*clrmemhi): Likewise.
131
132 2004-09-02  Paul Brook  <paul@codesourcery.com>
133
134         * config.gcc (arm*-*-eabi* | arm*-*-symbianelf*): Set
135         default_use_cxa_atexit=yes.
136
137 2004-09-02  Alan Modra  <amodra@bigpond.net.au>
138
139         * config/rs6000/linux64.h: Don't include signal.h or sys/ucontext.h.
140         (struct kernel_old_ucontext): Delete.
141         (struct gcc_pt_regs, gcc_sigcontext, gcc_ucontext): New.
142         (MD_FALLBACK_FRAME_STATE_FOR): Use gcc_* structs.  Only define
143         when IN_LIGGCC2.
144
145 2004-09-02  Richard Sandiford  <rsandifo@redhat.com>
146
147         * toplev.c (process_options): Fix typo.
148
149 2004-09-01  Richard Henderson  <rth@redhat.com>
150
151         PR middle-end/17258
152         * calls.c (initialize_argument_information): Tighten pass-through
153         conditions for pass-by-reference.  Remove dead TARGET_EXPR code.
154         Use build_fold_addr_expr.
155         (emit_library_call_value_1): Use build_fold_addr_expr.  Remove code
156         that assumes ADDR_EXPR allocates stack space.
157         * fold-const.c (build_fold_addr_expr_with_type): Look through
158         WITH_SIZE_EXPR.
159
160 2004-09-01  Dan Nicolaescu  <dann@ics.uci.edu>
161
162         * gengenrtl.c (gendef): Use rtx_alloc, don't do PUT_CODE.
163         * ggc.h (ggc_alloc_rtx): Delete.
164
165 2004-09-01  Roger Sayle  <roger@eyesopen.com>
166
167         * expmed.c (enum alg_code): Remove long unused enumeration values.
168         (struct mult_cost): New structure to hold the "score" of a synthetic
169         multiply sequence, including both a rtx_cost and a latency field.
170         (MULT_COST_LESS): New macro to compare mult_cost to a constant.
171         (CHEAPER_MULT_COST): New macro to compare two mult_costs.
172         (struct algorithm): Change type of cost field to be mult_cost.
173         (synth_mult): Change type of cost_limit argument to be a
174         pointer to a mult_cost.  Update all cost comparisons to use the
175         new mult_cost infrastructure.  For alg_add_factor and
176         alg_sub_factor operations, latency is lower than the rtx_cost.
177         (choose_mult_variant):  Update calls to synth_mult.  Perform
178         cost comparisons using the new mult_cost infrastructure.
179         (expand_mult_highpart): Use alg.cost.cost instead of alg.cost
180         to optain the total rtx_cost of a synth_mult "algorithm".
181
182 2004-09-01  David Edelsohn  <edelsohn@gnu.org>
183
184         * config/rs6000/power4.md: Increase store latency to 12.
185         * config/rs6000/power5.md: Same.
186
187 2004-09-01  James E Wilson  <wilson@specifixinc.com>
188
189         PR target/14064
190         * config/avr/avr.c (avr_unique_section): Delete prototype and
191         definition.
192         (TARGET_ASM_UNIQUE_SECTION): Delete.
193
194 2004-09-01  Ziemowit Laski  <zlaski@apple.com>
195
196         * c-parse.in (primary): Call objc_build_message_expr(),
197         objc_build_selector_expr(), objc_build_protocol_expr(),
198         objc_build_encode_expr() and objc_build_string_object() instead of
199         build_message_expr(), build_selector_expr(), build_protocol_expr(),
200         build_encode_expr() and build_objc_string_object(), respectively.
201         (component_decl_list2): Call objc_get_class_ivars() instead of
202         get_class_ivars_from_name().
203         (keyworddecl): Call objc_build_keyword_decl() instead of
204         build_keyword_decl().
205         (receiver): Call objc_get_class_reference() instead of
206         get_class_reference().
207         (reswords): Add blank line before @@ifobjc section, for clarity.
208
209 2002-09-01  Fariborz Jahanian <fjahanian@apple.com>
210
211         * config/rs6000/darwin.h (ROUND_TYPE_ALIGN): Restrict alignment
212         to Altivec vetors.
213
214 2004-09-01  Wu Yongwei  <adah@sh163.net>
215             Danny Smith  <dannysmith@users.sourceforge.net>
216
217         * gthr-win32.h (__gthread_recursive_mutex_t): Use 'unsigned long',
218         not Windows 'DWORD'.
219         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Correct typo.
220         (__GTHREAD_RECURSIVE_MUTEX_INIT_DEFAULT): Likewise.
221         (__gthr_win32_recursive_mutex_init_function): Add prototype for
222         __GTHREAD_HIDE_WIN32API case..
223         (__gthr_win32_recursive_mutex_lock): Likewise.
224         (__gthr_win32_recursive_mutex_trylock): Likewise.
225         (__gthr_win32_recursive_mutex_unlock): Likewise.
226         (__gthread_recursive_mutex_init_function); Add definition for
227         __GTHREAD_HIDE_WIN32API case.
228         (__gthread_recursive_mutex_lock): Correct call to InterlockedDecrement.
229         * config/i386/grthr-win32.c (__gthread_recursive_mutex_lock): Correct
230         call to InterlockedDecrement.
231
232 2004-09-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
233
234         * tree-tailcall.c (find_tail_calls): Also fail is statement has
235         volatile operands.
236
237         * tree-ssa.c (propagate_into_addr): Properly test for LHR.
238
239         * doc/c-tree.texi: Document new operands for ARRAY_REF and
240         COMPONENT_REF.
241
242 2004-09-01  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
243
244         * Makefile.in (rtl-profile.o, value-prof.o): Add GCC_H dependency.
245         * common.opt (fspeculative-prefetching): New.
246         * flags.h (flag_speculative_prefetching_set): Declare.
247         * gcov-io.c (gcov_write_counter, gcov_read_counter): Allow negative
248         values.
249         * opts.c (flag_sepculative_prefetching_set): New variable.
250         (common_handle_option): Handle -fspeculative-prefetching.
251         * passes.c (rest_of_compilation): Ditto.
252         * profile.c (instrument_values, compute_value_histograms, branch_prob):
253         Use vectors instead of arrays.
254         * toplev.c (process_options): Handle -fspeculative-prefetching.
255         * rtl-profile.c: Include ggc.h.
256         (rtl_gen_interval_profiler, rtl_gen_pow2_profiler,
257         rtl_gen_one_value_profiler_no_edge_manipulation,
258         rtl_gen_one_value_profiler, rtl_gen_const_delta_profiler): Type of
259         argument changed.
260         * tree-profile.c (tree_gen_interval_profiler, tree_gen_pow2_profiler,
261         tree_gen_one_value_profiler, tree_gen_const_delta_profiler): Type of
262         argument changed.
263         * value-prof.c: Include ggc.h.
264         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX): New
265         macros.
266         (insn_prefetch_values_to_profile, find_mem_reference_1,
267         find_mem_reference_2, find_mem_reference, gen_speculative_prefetch,
268         speculative_prefetching_transform): New.
269         (value_profile_transformations): Call speculative_prefetching_transform.
270         (insn_values_to_profile): Call insn_prefetch_values_to_profile.
271         (insn_divmod_values_to_profile, rtl_find_values_to_profile,
272         tree_find_values_to_profile, find_values to profile): Use vectors
273         instead of arrays.
274         (free_profiled_values): Removed.
275         * value-prof.h (struct histogram_value): Renamed to
276         struct histogram_value_t.
277         (histogram_value, histogram_values): New types.
278         (find_values_to_profile): Declaration changed.
279         (free_profiled_values): Removed.
280         (struct profile_hooks): Type of argument of the hooks changed to
281         histogram_value.
282         * doc/invoke.texi (-fspeculative-prefetching): Document.
283
284 2004-09-01  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
285
286         PR rtl-optimization/16408
287         * gcse.c (replace_store_insn): Fix LIBCALL/RETVAL notes.
288
289 2004-09-01  Richard Henderson  <rth@redhat.com>
290
291         * config/ns32k/ns32k.h (TRANSFER_FROM_TRAMPOLINE): Remove.
292         (TRAMPOLINE_TEMPLATE): Merge code from __trampoline inline.
293
294 2004-09-01  Jakub Jelinek  <jakub@redhat.com>
295
296         * libgcc-std.ver (GCC_3.4.2): Export also __trampoline_setup.
297
298 2004-09-01  Mike Stump  <mrs@apple.com>
299
300         * config/darwin.c (machopic_symbol_defined_p): In addition to
301         being SYMBOL_REF_LOCAL_P, a symbol must also be
302         ! SYMBOL_REF_EXTERNAL_P, as only those are _always_ locally
303         defined in this output file, or translation unit in the case
304         of IMA not being used.
305         (machopic_output_indirection): SYMBOL_REF_LOCAL_P symbols
306         never need .indirect_symbol when indirecting.
307
308 2004-09-01  Jakub Jelinek  <jakub@redhat.com>
309
310         * Makefile.in (bb-reorder.o): Add several dependencies.
311
312 2004-09-01  Jakub Jelinek  <jakub@redhat.com>
313
314         * fold-const.c (operand_equal_p): Require equal sign also for
315         FIX_{CEIL,TRUNC,FLOOR,ROUND}_EXPR.
316
317 2004-09-01  Richard Earnshaw  <rearnsha@arm.com>
318
319         * config.gcc (--with-cpu on ARM): Preserve the canonical cpu name
320         for use in configargs.h.  Put the cname in a separate variable.  Use
321         that to set target_cpu_default2.
322
323 2004-09-01  J"orn Rennecke <joern.rennecke@superh.com>
324             Nick Clifton  <nickc@redhat.com>
325
326         * config/sh/sh.md ("length"): Increase branch length when
327         SH1 pic code to 18: 12 bytes of instructions, 4 byte for the
328         constant, 2 byte for aligning the constant.
329
330 2004-09-01  Richard Earnshaw  <rearnsha@arm.com>
331
332         * arm/arm-cores.def (ARM_CORE): Add new field for the real name of the
333         CPU.
334         (arm7tdmi-s): New CPU name.
335         * arm/arm.c (ARM_CORE): Update for new format.
336         * arm/arm.h (ARM_CORE): Likewise.
337         * arm/gentune.sh: Update for extra field.
338         * config.gcc: Likewise.
339         * arm/arm-tune.md: Regenerate.
340         * doc/invoke.texi: Document the real processor names for ARM cpus.
341
342 2004-09-01  Richard Earnshaw  <rearnsha@arm.com>
343
344         * arm/ieee754-df.S (aeabi_ul2d, aeabi_l2d, floatundidf)
345         (floatdidf): New functions.
346         * arm/ieee754-sf.S (aeabi_ul2f, aeabi_l2f, floatundisf)
347         (floatdisf): New functions.
348         * t-arm-elf: Use them.
349
350 2004-09-01  Ziemowit Laski  <zlaski@apple.com>
351
352         * c-common.h (lookup_interface): Remove prototype.
353         (is_class_name): Rename to objc_is_class_name.
354         (lookup_objc_ivar): Rename to objc_lookup_ivar.
355         (get_current_scope): Rename to objc_get_current_scope.
356         * c-decl.c (get_current_scope): Rename to objc_get_current_scope.
357         * c-parse.in (parmlist_or_identifiers_1): Get rid of unused variable.
358         (yylexname): Call objc_is_class_name() instead of is_class_name().
359         * c-typeck.c (build_external_ref): Call objc_lookup_ivar()
360         instead of lookup_objc_ivar().
361         * stub-objc.c (lookup_interface): Remove stub.
362         (is_class_name): Rename to objc_is_class_name.
363         (lookup_objc_ivar): Rename to objc_lookup_ivar.
364
365 2004-08-31  Mark Mitchell  <mark@codesourcery.com>
366
367         * config.gcc (arm*-*-symbianelf*): Do not include t-bpabi.
368         * config/arm/lib1funcs.asm: Do not include supplemental .S files
369         when compiling for Symbian.
370         * config/arm/symbian.h (RENAME_LIBRARY): New macro.
371         (TARGET_OS_CPP_BUILTINS): Likewise.
372         * config/arm/t-symbian (LIB1ASMFUNCS): Define.
373
374 2004-08-31  Stan Shebs  <shebs@apple.com>
375
376         * toplev.c (process_options): Ensure debug_hooks is initialized.
377
378 2004-08-31  Mark Mitchell  <mark@codesourcery.com>
379
380         * target-def.h (TARGET_CXX): Add TARGET_CXX_EXPORT_CLASS_DATA.
381         * target.h (cxx): Add export_class_data.
382         * config/arm/arm.c (arm_cxx_export_class_data): New function.
383         (TARGET_CXX_EXPORT_CLASS_DATA): Use it.
384         * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Document it.
385
386 2004-08-31  Kaz Kojima  <kkojima@gcc.gnu.org>
387
388         * config/sh/sh.c (output_branch): Check the insn length possibly
389         in the delayed slot.
390
391 2004-08-31  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
392
393         * tree-pretty-print.c (dump_generic_node, case CONVERT_EXPR): Add
394         blank after ')'.
395         (op_symbol, case *_{DIV,MOD}_EXPR): Say what rounding is being used.
396
397         * c-common.c (c_alignof_expr): Use DECL_ALIGN_UNIT and TYPE_ALIGN_UNIT.
398         (c_sizeof_of_alignof_type): Likewise.
399         * expr.c (array_ref_element_size): Likewise.
400         (highest_pow2_factor_for_target): Likewise.
401         * gimplify.c (canonicalize_addr_expr): Likewise.
402         (gimplify_compound_lval): Likewise.
403         * stor-layout.c (finalize_record_size, finalize_type_size): Likewise.
404         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
405         * varasm.c (assemble_variable): Likewise.
406         (output_constant_def_contents): Alignments are unsigned.
407
408 2004-08-31  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
409             Jeff Law  <law@redhat.com>
410
411         * tree-cfg.c (cfg_remove_useless_stmts_bb): Also invalidate if VAL
412         gets modified.
413
414 2004-08-31  Mark Mitchell  <mark@codesourcery.com>
415
416         * hooks.c (hook_bool_void_true): New function.
417         * hooks.h (hook_bool_void_true): Declare.
418         * target-def.h (TARGET_CXX): Add
419         TARGET_CXX_KEY_METHOD_MAY_BE_INLINE.
420         * target.h (struct cxx): Add key_method_may_be_inline.
421         * config/arm/arm.c (arm_cxx_key_method_may_be_inline): New
422         function.
423         (TARGET_CXX_KEY_METHOD_MAY_BE_INLINE): New macro.
424         * config/arm/bpabi.h: Use __THUMB_INTERWORK__ instead of
425         __THUMB_INTERWORK.
426
427 2004-08-31  Denis Chertykov  <denisc@overta.ru>
428
429         PR target/15417
430         * config/avr/avr.c (avr_hard_regno_mode_ok): Enable usage of
431         frame pointer register only in Pmode while reload in progress.
432
433 2004-08-31  Stephane Carrez  <stcarrez@nerim.fr>
434
435         PR target/15334
436         * config/m68hc11/m68hc11.c (m68hc11_override_options): Disable -fweb
437         because it breaks the 32-bit shift patterns that rely on a match_dup.
438
439 2004-08-31  Matt Austern  <austern@apple.com>
440
441         * config/darwin.c (darwin_make_decl_one_only): Allocate section
442         names once per compilation, instead of once per symbol.
443
444 2004-08-31  Paolo Bonzini  <bonzini@gnu.org>
445
446         * Makefile.in (build_subdir): New substitution.
447         (fixinc.sh): Simplify heavily since fixincludes is already built.
448         (stmp-fixinc): Depend on specs.ready.
449         (install-mkheaders): Use new location of fixincludes.
450         (clean): Do not descend into fixinc.
451         (FORBUILD): Replace with ../$(build_subdir).
452         * configure.ac (build_subdir): Substitute.
453         (FORBUILD): Do not set.
454         (all_outputs): Remove fixinc/Makefile.
455         (default commands): Do not create links in fixinc.
456         * mkfixinc.sh: New, from fixinc/mkfixinc.sh without
457         the fixincludes configuration steps and substituting
458         @FIXINCL@ in fixinc.in.
459         * fixinc.in: New, from fixinc/fixincl.sh.
460
461         * fixinc/*: Removed.
462
463 2004-08-31  Joseph S. Myers  <jsm@polyomino.org.uk>
464
465         * attribs.c (strip_attrs): Remove.
466         (split_specs_attrs): Move ...
467         * c-decl.c: ... to here.
468         * tree.h (split_specs_attrs, strip_attrs): Remove.
469         * c-tree.h (split_specs_attrs): Declare.
470
471 2004-08-31  Richard Sandiford  <rsandifo@redhat.com>
472
473         * read-rtl.c: Disable RTL checking.
474         (apply_macro_to_rtx): Use XTMPL to access 'T' fields.
475
476 2004-08-31  Richard Sandiford  <rsandifo@redhat.com>
477
478         * config/mips/mips.md (fcond): New code macro and attribute.
479         (sunordered_[sd]f, suneq_[sd]f, sunlt_[sd]f, sunle_[sd]f)
480         (seq_[sd]f, slt_[sd]f, sle_[sd]f): Redefine using :SCALARF and fcond.
481         (sgt_[sd]f, sge_[sd]f): Redefine using :SCALARF.
482
483 2004-08-30  Mark Mitchell  <mark@codesourcery.com>
484
485         Revert:
486         2004-08-29  Mark Mitchell  <mark@codesourcery.com>
487         PR rtl-optimization/16590
488         * gcse.c (pre_delete): Do not create invalid REG_EQUAL notes.
489
490 2004-08-30  Andrew Pinski  <apinski@apple.com>
491
492         * hard-reg-set.h:
493         s/HOST_BITS_PER_WIDES_FAST_INT/HOST_BITS_PER_WIDEST_FAST_INT.
494         * ChangeLog: Fix previous ChangeLog entry.
495
496         PR rtl-opt/13987
497         * config.host (use_long_long_for_widest_fast_int): New, default is
498         off.
499         (ia64-*-hpux*): Enable use_long_long_for_widest_fast_int.
500         * configure.ac: If use_long_long_for_widest_fast_int, then
501         define USE_LONG_LONG_FOR_WIDEST_FAST_INT.
502         * configure: Regenerate.
503         * config.in: Regenerate.
504         * hwint.h (HOST_WIDEST_FAST_INT, HOST_BITS_PER_WIDEST_FAST_INT):
505         New: widest integer type supported efficiently in hardware for the
506         host.
507         * sbitmap.h (SBITMAP_ELT_BITS): Define based on
508         HOST_BITS_PER_WIDEST_FAST_INT.
509         (SBITMAP_ELT_TYPE): Define based on HOST_WIDEST_FAST_INT.
510         * hard-reg-set.h (HARD_REG_ELT_TYPE): Define based on
511         HOST_WIDEST_FAST_INT
512         instead of HOST_WIDE_INT.
513         (HARD_REG_SET_LONGS): Likewise.
514         (UHOST_BITS_PER_WIDE_INT): Likewise.
515         Change the checks for the fast cases to be based on
516         HOST_BITS_PER_WIDEST_FAST_INT instead of HOST_BITS_PER_WIDE_INT.
517
518 2004-08-30  Steven Bosscher  <stevenb@suse.de>
519
520         * cfgcleanup.c (merge_memattrs): Look at the value of MEM_SIZE,
521         not the pointers.
522
523 2004-08-30  Geoffrey Keating  <geoffk@apple.com>
524
525         PR 12738
526         PR 17205
527         Radar 3460526
528         Radar 3775729
529         * c-decl.c (grokdeclarator): Produce error for 'static' on local
530         function declaration.
531
532 2004-08-30  Richard Henderson  <rth@redhat.com>
533
534         * expr.c (array_ref_element_size): Force aligned_size back to
535         sizetype.
536         (component_ref_field_offset): Similarly for aligned_offset.
537         * tree.c (recompute_tree_invarant_for_addr_expr): Mark raw
538         low-bound, element-size, field-offset fields rather than
539         computed values.
540
541 2004-08-30  Joseph S. Myers  <jsm@polyomino.org.uk>
542
543         * c-parse.in (parmlist_or_identifiers_1): Remove unreachable and
544         redundant code.
545
546 2004-08-30  Joseph S. Myers  <jsm@polyomino.org.uk>
547
548         * c-tree.h (struct language_function): Add arg_info element.
549         * c-decl.c (current_function_arg_info): New.
550         (grokdeclarator, store_parm_decls): Use it instead of
551         DECL_ARGUMENTS.
552         (c_push_function_context, c_pop_function_context): Save and
553         restore it.
554
555 2004-08-30  Richard Henderson  <rth@redhat.com>
556
557         * c-typeck.c (build_unary_op): Don't expand ADDR_EXPR of a
558         COMPONENT_REF to pointer arithmetic.
559         * varasm.c (initializer_constant_valid_p): Allow "&(*c).f", for
560         constant "c" as a valid constant initializer.  Allow narrowing of
561         differences against the same base object, for any base object.
562
563 2004-08-30  Richard Henderson  <rth@redhat.com>
564
565         * expr.c (expand_expr_addr_expr): New.
566         (expand_expr_real_1) <case ADDR_EXPR>: Use it.
567
568 2004-08-30  Richard Sandiford  <rsandifo@redhat.com>
569
570         * config/mips/mips.c (MIPS_FP_CONDITIONS): New macro.
571         (mips_fp_condition): New enum.
572         (mips_fp_conditions): New array.
573         (print_fcc_operand): Delete.
574         (print_operand): Remove %V, %v and %Q.  Redefine %Z so that it prints
575         the operand and comma if and only if ISA_HAS_8CC.  Add %Y.
576         (builtin_description): Add "cond" field.
577         (DIRECT_BUILTIN): Initialize it.
578         (CMP_{SCALAR,PS,4S}_BUILTINS, MOVTF_BUILTINS): Split INSN parameter
579         into INSN and CODE.  Initialize the "cond" field.
580         (CMP_BUILTINS): Update accordingly.
581         (mips_bdesc): Use MIPS_FP_CONDITIONS to invoke CMP_BUILTINS.
582         (mips_expand_builtin_movtf, mips_expand_builtin_compare): Take the
583         mips_fp_condition as argument.  Make it the final operand of the
584         comparison instruction.
585         (mips_expand_builtin): Update accordingly.
586         * config/mips/mips.md (UNSPEC_C_*, UNSPEC_CABS_*): Delete.
587         (UNSPEC_C, UNSPEC_CABS): New constants.  Shuffle others to fill
588         the gaps.
589         * config/mips/mips-ps-3d.md (mips_cond_move_tf_ps, bc1any[24][ft]):
590         Don't use the 'Q' operand prefix; just print the operand normally.
591         (mips_cabs_*, mips_c_*): Delete, replacing with...
592         (mips_c_cond_{ps,4s}, mips_cabs_cond_{s,d,ps,4s}): ...these new
593         patterns.  Split the 4s versions into 2 ps patterns after reload.
594
595 2004-08-30  Richard Henderson  <rth@redhat.com>
596
597         * fold-const.c (tree_expr_nonzero_p): Use get_base_address before
598         assuming an ADDR_EXPR is non-null.
599
600 2004-08-30  Jason Merrill  <jason@redhat.com>
601
602         * gthr-posix.h, gthr-dce.h: Add #pragma weaks.
603
604 2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>
605
606         * gcov-io.c (GCOV_CHECK): Use gcc_assert when available.
607         * gcov.c (abort): Remove undef.
608
609         * tree.h (BINFO_PRIMARY_BASE_OF): Remove.
610         (struct tree_binfo): Remove primary field.
611
612 2004-08-30  Paolo Bonzini  <bonzini@gnu.org>
613
614         * fixinc/Makefile.in (machname.h): Remove.
615         (fixincl.x): Do not pass $@ to genfixes.
616         * fixinc/genfixes: Remove code to produce machname.h.
617         * fixinc/fixincl.sh: Move it here instead.
618         * fixinc/fixlib.c: Do not conditionalize on MN_NAME_PAT's presence,
619         instead check if pz_mn_name_pat is NULL.  Make mn_get_regexps
620         return a bool indicating whether pz_mn_name_pat is NULL.
621         * fixinc/fixlib.h: Do not conditionalize on MN_NAME_PAT's presence.
622         Declare extern C variables for the ENV_TABLE.
623         * fixinc/fixfixes.c: Do not conditionalize on MN_NAME_PAT's presence,
624         instead use the result of mn_get_regexps.
625         * fixinc/fixtests.c: Likewise.
626
627 2004-08-30  Paolo Bonzini  <bonzini@gnu.org>
628
629         * configure.ac: Do not run fixincludes after stage1 during
630         toplevel bootstrap.
631         * configure: Regenerate.
632
633 2004-08-30  Richard Earnshaw  <rearnsha@arm.com>
634
635         * sched-deps.c (get_condition): Partially revert previous, by never
636         trying to extract the condition from a condjump.
637
638 2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>
639
640         * c-common.c (c_sizeof_or_alignof_type): Use gcc_assert.
641         (handle_visibility_attribute, c_determine_visibility): Likewise.
642         * c-common.h (my_friendly_assert): Remove.
643
644 2004-08-30  Richard Sandiford  <rsandifo@redhat.com>
645
646         * config/mips/mips.md (UNSPEC_{RSQRT,RECIP}[12]_{S,D,PS}): Delete.
647         (UNSPEC_{RSQRT,RECIP}[12]): New constants.
648         (UNSPEC_MOVE_TF_PS): Renumber to avoid gaps.
649         * config/mips/mips-ps-3d.md (*movcc_v2sf_[sd]i): Use :GPR.
650         (mips_{rsqrt,recip}[12]_{s,d,ps}): Use :ANYF.
651
652 2004-08-30  Diego Novillo  <dnovillo@redhat.com>
653
654         * tree-pretty-print.c (dump_generic_node): Handle VALUE_HANDLE
655         in COMPONENT_REF nodes.
656
657 2004-08-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
658
659         PR c++/15378
660         * c-opts.c (c_common_handle_option): <case OPT_Werror> set
661         global_dc->warning_as_error_requested.
662         * diagnostic.c (diagnostic_initialize): Tidy.
663         * diagnostic.h (diagnostic_context::x_data): Remove
664         (diagnostic_context::issue_warnings_are_errors_message): Rename
665         from warnings_are_errors_message.
666         (diagnostic_context::warning_as_error_requested): New.
667
668 2004-08-30  Richard Earnshaw  <rearnsha@arm.com>
669
670         * sched-deps.c (get_condition): Fix breakage in previous patch.
671
672 2004-08-30  Paul Brook  <paul@codesourcery.com>
673
674         * doc/install.texi: Fix broken mpfr link.
675
676 2004-08-29  David O'Brien  <obrien@FreeBSD.org>
677
678         * config/rs6000/sysv4.h (LINK_OS_FREEBSD_SPEC): Sync '-p' handling with
679         other FreeBSD platforms.
680
681 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
682
683         * arm.h (REVERSE_CONDITION): Define.
684         (REVERSIBLE_CC_MODE): All comparisons are now reversible.
685
686 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
687
688         * flow.c (REVERSE_CONDEXEC_PREDICATES_P): Use the whole comparison, not
689         just the codes, call reversed_comparison_code ().
690         (ior_reg_cond): Update arguments to REVERSE_CONDEXEC_PREDICATES_P.
691         (not_reg_cond): Use reversed_comparison_code.
692         (and_reg_cond): Likewise.
693         * ifcvt.c (cond_exec_process_if_block): Likewise.
694         * doc/tm.texi (REVERSE_CONDEXEC_PREDICATES_P): Update documentation.
695
696 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
697
698         * sched-deps.c (get_condition): Rewrite using jump support functions.
699         Use reversed_comparison_code.
700         (conditions_mutex_p): Use reversed_comparison_code.
701
702 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
703
704         * config/mips/mips.c (override_options): Disable hot/cold partitioning
705         for MIPS16.
706
707 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
708
709         * config/mips/mips.h (mips_builtins, mips_cmp_choice): Delete.
710         (mips_function_type): Move to mips.c.
711         * config/mips/mips.c (mips_builtin_type): New enum.
712         (builtin_description): Replace code and ftype with builtin_type
713         and function_type.
714         (DIRECT_BUILTIN, CMP_SCALAR_BUILTINS, CMP_PS_BUILTINS, CMP_4S_BUILTINS)
715         (MOVTF_BUILTINS, CMP_BUILTINS): New macros.
716         (CODE_FOR_mips_abs_ps): Define.
717         (mips_bdesc): Use new macros.
718         (mips_expand_builtin): Use builtin_type.  Update calls to subroutines.
719         (mips_init_builtins): Use the mips_bdesc[] index as the function code.
720         (mips_expand_builtin_direct): New function.
721         (mips_expand_builtin_movtf): Renamed from mips_expand_ps_cond_move_
722         builtin.  Replace boolean parameter with builtin_type.
723         (mips_expand_compare_builtin, mips_expand_scalar_compare_builtin)
724         (mips_expand_4s_compare_builtin): Delete, replacing with...
725         (mips_expand_builtin_compare): ...this new function.
726
727 2004-08-29  Mark Mitchell  <mark@codesourcery.com>
728
729         PR rtl-optimization/16590
730         * gcse.c (pre_delete): Do not create invalid REG_EQUAL notes.
731
732 2004-08-29  Diego Novillo  <dnovillo@redhat.com>
733
734         * tree-ssa-ccp.c (ccp_visit_stmt): Remove #if 0 guards.
735         * tree-ssa-propagate.c: Fix documentation.
736
737 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
738
739         * config/mips/mips.md (*mov[sd]f_on_*): Redefine using :SCALARF.
740         (mov[sd]fcc): Likewise.
741
742 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
743
744         * config/mips/mips.md (cmp[sd]f): Redefine using :SCALARF.
745
746 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
747
748         * config/mips/mips.md (divide_condition): New mode attribute.
749         (div[sd]f3, *div[sd]f3): Use it.  Redefine using :SCALARF.
750         (sqrt[sd]f3): Redefine using SCALARF.
751         (*recip[sd]f3, *rsqrt<mode>[ab]): Likewise.  Name formerly unnamed
752         patterns.
753
754 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
755
756         * config/mips/mips.md (ANYF, SCALARF): New mode macros.
757         (loadx, storex, fmt, UNITMODE): New mode attributes.
758         (add{sf,df,v2sf}3, sub{sf,df,v2sf}3): Redefine using :ANYF.
759         (mul[sd]f3): Redefine using :SCALARF.
760         (*mul[sd]f3): Renamed from mul[sd]f3_internal.  Use :SCALARF.
761         (*mul[sd]3_r4300): Likewise mul[sd]f3_r4300.
762         (*m{add,sub}{sf,df,v2sf}3): Name formerly unnamed patterns.  Use :ANYF.
763         Check TARGET_FUSED_MADD for V2SF too.
764         (*nm{add,sub}{sf,df,v2sf}3{,_fastmath}): Likewise, except v2sf patterns
765         were already named.
766         (abs{sf,df,v2sf}3, neg{sf,df,v2sf}3): Redefine using :ANYF.
767         (*[sl][wd]xc1_[sd]i): Redefine using :ANYF.
768
769 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
770
771         * config/mips/mips.c (mips_init_builtins): Simplify.  Only create
772         V2SF_type_node if it will be needed.
773
774 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
775
776         * config/mips/mips.h (MIPS_CMP_MOVT, MIPS_CMP_MOVF): Delete.
777         * config/mips/mips.c (mips_prepare_builtin_arg): New function.
778         (mips_prepare_builtin_target): New function.
779         (mips_expand_builtin): Use them.  Update calls to subroutines.
780         (mips_expand_ps_cond_move_builtin): Use the new functions.  Replace
781         cmp_choice with a boolean argument to select between movt and movf.
782         Take the comparison's icode as an argument, not the function's fcode.
783         (mips_expand_compare_builtin): New function.  Rename existing function
784         to mips_expand_scalar_compare_builtin.
785         (mips_expand_scalar_compare_builtin, mips_expand_4s_compare_builtin)
786         (mips_expand_ps_compare_builtin): Use the new functions.  Take the
787         comparison's icode as an argument, not the builtin's fcode.
788
789 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
790
791         * config/mips/mips.c (print_operand): Remove '%Y' and '%y'.
792         (mips_expand_4s_compare_builtin): Redefine CCV4 to be 0 if all
793         registers are false and -1 if all registers are true.
794         (mips_expand_ps_compare_builtin): Likewise CCV2.  Use subregs for
795         MIPS_CMP_UPPER and MIPS_CMP_LOWER.
796         * config/mips/mips.md (mips_cond_move_tf_ps): Use %Q rather than %y.
797         (bc1any4t, bc1any4f): Adjust for new CCV4 interpretation.
798         (bc1any2t, bc1any2f): Likewise CCV2.
799         (bc1upper2t, bc1lower2t, bc1upper2f, bc1lower2f): Delete.
800
801 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
802
803         * config/mips/mips.md (UNSPEC_MOVE_TF_PS): New.
804         * config/mips/mips-ps-3d.md (mips_cond_move_tf_ps): Express as an
805         UNSPEC rather than an IF_THEN_ELSE.
806         * config/mips/mips.c (mips_expand_ps_cond_move_builtin): Emit
807         mips_cond_move_tf_ps by name.
808
809 2004-08-29  Chao-ying Fu  <fu@mips.com>
810             James E Wilson  <wilson@specifixinc.com>
811
812         * config/mips/mips-modes.def (V2SF, CCV2, CCV4): New modes. Give CCV2
813         8 byte size and alignment.  Give CCV4 16 byte size and alignment.
814         * config/mips/mips-ps-3d.md: New file.
815         * config/mips/mips.c (TARGET_VECTOR_MODE_SUPPORTED_P,
816         TARGET_INIT_BUILTINS, TARGET_EXPAND_BUILTIN): Define.
817         (mips_const_insns): Handle CONST_VECTOR the same as CONST_DOUBLE.
818         (mips_output_move): Emit "mov.ps" for V2SFmode.
819         (mips_arg_info): Add checks for VECTOR_FLOAT_TYPE_P and
820         MODE_VECTOR_FLOAT.
821         (override_options): Check if TARGET_MIPS3D and there was an explicit
822         !TARGET_PAIRED_SINGLE_FLOAT.  Set MASK_PAIRED_SINGLE, if TARGET_MIPS3D.
823         Check if TARGET_FLOAT64 and TARGET_HARD_FLOAT are both true, when
824         TARGET_PAIRED_SINGLE_FLOAT is true.  Check if the ISA supports
825         TARGET_PAIRED_SINGLE_FLOAT.  Allow MODE_VECTOR_FLOAT in fp registers,
826         and allow CCV2 and CCV4 to occupy two and four CC registers.
827         (print_fcc_operand): New function.
828         (print_operand): Add %Y, %y, %V, %v, %Q for CCV2, CCV4, CC.  Modify
829         %Z to call print_fcc_operand.
830         (mips_function_value): Handle MODE_VECTOR_FLOAT.
831         (mips_class_max_nregs): Check for ST_REGS, and handle CCmodes.
832         (mips_vector_mode_supported_p): New function.
833         (mips_hard_regno_nregs): Check for ST_REG_P, and handle CCmodes.
834         (builtin_description): New struct.
835         (mips_bdesc): New array of struct builtin_description.
836         (mips_expand_builtin, mips_init_builtins,
837         mips_expand_ps_cond_move_builtin, mips_expand_4s_compare_builtin,
838         mips_expand_compare_builtin, mips_expand_ps_compare_builtin): New
839         functions.
840         * config/mips/mips.h (MASK_PAIRED_SINGLE, MASK_MIPS3D): New defines.
841         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D): New defines.
842         (TARGET_CPU_CPP_BUILTINS): Add __mips_paired_single_float.
843         (TARGET_SWITCHES): Added "-mpaired-single", "-mno-paired-single",
844         "-mips3d", and "-mno-mips3d".
845         (ASM_SPEC): Map -mips3d to -mips3d in gas.
846         (EXTRA_CONSTRAINT_Y): New macro.
847         (EXTRA_CONSTRAINT_STR): Renamed from EXTRA_CONSTRAINT.  Add new
848         multi-letter constraint 'Y'.
849         (CONSTRAINT_LEN): New macro.
850         (enum mips_builtins): New for MIPS builtin functions.
851         (enum mips_function_type): New for the types of MIPS builtin functions.
852         (enum mips_cmp_choice): New for the MIPS comparison builtin functions.
853         * config/mips/mips.md: New constants for paired single and MIPS-3D
854         instructions.  Include the new mips-ps-3d.md file.
855         (addv2sf3, subv2sf3, mulv2sf3, absv2sf2, negv2sf2, movv2sf,
856         movv2sf_hardfloat_64bit): New named patterns.
857         (madd.ps, msub.ps, nmaddv2sf, nmaddv2sf_fastmath, nmsubv2sf,
858         nmsubv2sf_fastmath, ldxc1_v2sf_si, ldxc1_v2sf_di, sdxc1_v2sf_si,
859         sdxc1_v2sf_di): New unnamed patterns.
860         * config/mips/predicates.md (const_0_operand, const_1_operand): Add
861         const_vector support.
862         (const_0_or_1_operand): New predicate.
863         * doc/invoke.texi (MIPS Options): Add -mpaired-single and -mips3d.
864
865 2004-08-29  Diego Novillo  <dnovillo@redhat.com>
866
867         * Makefile.in (OBJS-common): Add tree-ssa-propagate.o
868         (tree-ssa-propagate.o): New rule.
869         (GTFILES): Add tree-ssa-propagate.c.
870         * tree-flow.h (struct stmt_ann_d): Remove field
871         in_ccp_worklist.
872         * tree-ssa-propagate.c: New file.
873         * tree-ssa-propagate.h: New file.
874         * tree-ssa-ccp.c: Re-write to use the routines from
875         tree-ssa-propagate.c.
876
877 2004-08-28  Andrew Pinski  <apinski@apple.com>
878
879         * tree-ssa-loop.c: Remove extra include of basic-block.h.
880
881 2004-08-28  Ziemowit Laski  <zlaski@apple.com>
882
883         * c-common.h: Update comments about ObjC/ObjC++ entry points.
884         (objc_is_reserved_word): New prototype.
885         (get_current_scope, objc_mark_locals_volatile): Move prototypes to
886         separate section; these are call-backs.
887         * c-lex.c (c_lex_with_flags): Call objc_is_reserved_word() to detect
888         ObjC/ObjC++ "@" keywords.
889         * c-tree.h (get_current_scope, objc_mark_locals_volatile): Remove
890         prototypes; they already live in c-common.h.
891         * stub-objc.c: Update copyright notice.
892         (objc_is_reserved_word): New stub.
893
894 2004-08-28  Nathan Sidwell  <nathan@codesourcery.com>
895
896         * system.h (gcc_assert): Remove __builtin_expect.  Evaluate EXPR
897         even when not checking.
898
899 2004-08-27  Jason Merrill  <jason@redhat.com>
900
901         PR c++/13684
902         * gimplify.c (gimplify_cleanup_point_expr): Handle CLEANUP_EH_ONLY.
903         (gimple_push_cleanup): Add eh_only parm.
904         (gimplify_target_expr): Pass it.
905         * c.opt (-fno-threadsafe-statics): New option.
906         * c-opts.c (c_common_handle_option): Handle it.
907         * c-common.h (flag_threadsafe_statics): Declare it.
908         * c-common.c (flag_threadsafe_statics): Record it.
909         * doc/invoke.texi: Document it.
910         * tsystem.h (_GNU_SOURCE): Define.
911         * gthr-posix.h (__gthread_recursive_mutex_t): New typedef.
912         (__GTHREAD_RECURSIVE_MUTEX_INIT): New macro.
913         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): New macro.
914         (__gthread_recursive_mutex_init_function): New fn.
915         (__gthread_recursive_mutex_lock): New fn.
916         (__gthread_recursive_mutex_trylock): New fn.
917         (__gthread_recursive_mutex_unlock): New fn.
918         * gthr-solaris.h, gthr-single.h, gthr-dce.h: Likewise.
919         * gthr-win32.h, gthr-vxworks.h: Likewise.
920         * gthr.h: Document.
921
922 2004-08-27  David Edelsohn  <edelsohn@gnu.org>
923
924         * config/rs6000/rs6000.c (rs6000_override_options): Increase
925         maximum skip to 15.  Set function alignment, jump alignment, and
926         loop alignment to 16 for processors that form dispatch groups.
927         (rs6000_rtx_costs): outer_code is used.
928
929 2004-08-27  Nathan Sidwell  <nathan@codesourcery.com>
930
931         * stor-layout.c (sizetype_set): Remove.
932         (set_sizetype): Don't test or set it.
933
934         * tree.h (size_int_type): Remove.
935         * fold-const.c: Do not #include gt-fold-const.h.
936         (size_htab_hash, size_htab_eq): Remove.
937         (size_int_kind): Use build_int_cst.
938         (new_const, size_htab): Remove.
939         (size_int_type): Remove.
940         (round_up): Use build_int_cst.
941         (round_down): Likewise. Remove spurious constant build.
942
943 2004-08-27  Nathan Sidwell  <nathan@codesourcery.com>
944
945         * configure.ac: Add ENABLE_ASSERT_CHECKING control.
946         Add is_release variable, use it for --enable-werror and
947         --enable-checking defaults.
948         * system.h (gcc_assert, gcc_unreachable): New.
949         * doc/install.texi (--enable-checking): Update.
950         * configure, config.in: Rebuilt.
951
952 2004-08-26  Richard Sandiford  <rsandifo@redhat.com>
953
954         * rtl.h (read_rtx): Change prototype.
955         * read-rtl.c (read_rtx): Provide the caller with both an rtx and a
956         line number.  Return true on success.
957         * gensupport.c (process_include, init_md_reader_args_cb): Adjust
958         callers accordingly.
959
960 2004-08-26  Richard Henderson  <rth@redhat.com>
961
962         * c-typeck.c (build_offsetof): Remove.
963         * c-tree.h (build_offsetof): Remove.
964         * c-common.c (fold_offsetof_1, fold_offsetof): New.
965         * c-common.h (fold_offsetof): Declare.
966         * c-parse.in (offsetof_base): New.
967         (offsetof_member_designator): Use it.  Build references, not just
968         a tree list.
969         (primary): Use fold_offsetof, not build_offsetof.
970
971 2004-08-26  Richard Henderson  <rth@redhat.com>
972
973         * tree.c (staticp): Return the static object.
974         * tree.h (staticp): Update decl.
975         * langhooks.h (struct lang_hooks): Change staticp return type to tree.
976         * langhooks.c (lhd_staticp): Return NULL_TREE.
977         * langhooks-def.h (lhd_staticp): Update decl.
978         * c-common.c (c_staticp): Return the static object.
979         * c-common.h (c_staticp): Update decl.
980
981 2004-08-26  Richard Henderson  <rth@redhat.com>
982
983         * config/alpha/alpha.h (HARD_REGNO_MODE_OK): Allow complex float
984         modes.
985
986 2004-08-26  Joseph S. Myers  <jsm@polyomino.org.uk>
987
988         PR c/13801
989         * c-decl.c (struct c_binding): Add type and inner_comp fields.
990         (bind): Set type and inner_comp fields.
991         (pop_scope): Restore type of decl to the correct type from an
992         outer scope.  Give error when popping file scope for incomplete
993         arrays completed incompatibly with default initialization in an
994         inner scope.
995         (diagnose_mismatched_decls): Handle externs with initializers at
996         block scope.
997         (pushdecl): Set type of external declaration at block scope based
998         only on the visible declarations.  Save type when changing the
999         type of a declaration.  Merge an external declaration at block
1000         scope with a visible static declaration at file scope.
1001         (implicitly_declare): Give recycled old declaration the new type
1002         except for incompatible declarations of built-in functions, saving
1003         the old type.
1004
1005 2004-08-26  Ziemowit Laski  <zlaski@apple.com>
1006
1007         * c-parse.in (OBJC_TYPE_QUAL): New %token for ObjC use.
1008
1009 2004-08-26  Daniel Berlin  <dberlin@dberlin.org>
1010
1011         * tree-alias-common.c (gate_pta): New function.
1012         (pass_build_pta): Use it.
1013         (pass_del_pta): Use it.
1014         (delete_alias_vars): Don't check flag_tree_points_to.
1015
1016 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
1017
1018         * config/rs6000/rs6000.h (HARD_REGNO_CALL_PART_CLOBBERED): Added
1019         TFmode as additional register mode cloberred by call.
1020
1021 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
1022
1023         * config/rs6000/rs6000.c (rs6000_libcall_value): Generate
1024         parallel pattern for library call returning DImode in
1025         mixed mode.
1026
1027 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
1028
1029         * config/rs6000/rs6000.c (function_arg): Generate parallel
1030         pattern for more split args.
1031
1032 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
1033
1034         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Call
1035         either gen_movdi_di_update or gen_movdi_si_update depending on
1036         target mode.
1037         * config/rs6000/rs6000.md (movdi_update): Changed to movdi_<mode>_update,
1038         to generate two versions.
1039
1040 2004-08-26  Daniel Berlin  <dberlin@dberlin.org>
1041
1042         * Makefile.in (lambda-code.o): New.
1043         (lambda-trans.o): Ditto.
1044         (TREE_DATA_REF_H): Ditto.
1045         (LAMBDA_H): Ditto.
1046         (lambda-mat.o): Use LAMBDA_H.
1047         (tree-data-ref.o): Ditto.
1048         * lambda-code.c: New file.  Lambda code generation algorithm.
1049         * lambda-trans.c: Ditto. Lambda transformation matrix support.
1050         * lambda.h: Add lambda loop structures.
1051         Add lambda loopnest structures.
1052         Add lambda body vector structure.
1053         Add lambda linear expression structures.
1054         Add prototypes for functions in new files.
1055         * lambda-mat.c: Include tree.h
1056
1057 2004-08-26  Daniel Berlin <dberlin@dberlin.org>
1058             Sebastian Pop  <pop@cri.ensmp.fr>
1059
1060         * tree-data-ref.h: Include lambda.h
1061         (free_dependence_relation): Declared here.
1062         (free_dependence_relations): Ditto.
1063         (free_data_refs): Ditto.
1064         * tree-data-ref.c (free_dependence_relation): New function.
1065         (free_dependence_relations): Ditto.
1066         (free_data_refs): Ditot.
1067         (analyze_all_data_dependences): Free datarefs and dependence_relations.
1068         (build_classic_dist_vector): Store in the dependence_relations the
1069         information. Each arc in the dependence_relations graph is labelled
1070         with the distance and direction vectors.
1071         (build_classic_dir_vector): Ditto.
1072         (compute_rw_wr_ww_dependences): Renamed again compute_all_dependences.
1073         Now computes again the whole dependence graph including read-read
1074         relations.
1075         (compute_data_dependences_for_loop): Now dependence_relations contains
1076         all the data, and thus it doesn't need to initialize the classic_dir
1077         and classic_dist vectors.
1078         (analyze_all_data_dependences): Adjusted for using the new interface of
1079         compute_data_dependences_for_loop.  Remove the statistics dump.
1080
1081 2004-08-26  Bob Wilson  <bob.wilson@acm.org>
1082
1083         * config/xtensa/xtensa.c (xtensa_ld_opcodes, xtensa_st_opcodes): Delete.
1084         (xtensa_expand_block_move): Update comment.
1085         (override_options): Remove initialization of xtensa_{ld,st}_opcodes.
1086
1087 2004-08026  Richard Earnshaw  <rearnsha@arm.com>
1088
1089         PR target/13506
1090         * toplev.c (crash_signal): If we crashed while emitting
1091         a user asm, then die more gracefully.
1092
1093 2004-08-26  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
1094
1095         PR target/17119.
1096         * config/m32r.c (gen_compare): Use reg_or_int16_operand when
1097         checking for a valid constant, regardless of sign.
1098
1099 2004-08-25  Richard Henderson  <rth@redhat.com>
1100
1101         PR target/16974
1102         * config/alpha/alpha.md (adddi_fp_hack): Don't rely on splitting
1103         if the constant satisfies add_operand.
1104
1105 2004-08-25  Richard Henderson  <rth@redhat.com>
1106
1107         PR debug/10695
1108         * config/alpha/alpha.c (emit_frame_store_1, emit_frame_store): New.
1109         (alpha_expand_prologue): Handle >32-bit frames.  Generate proper
1110         unwind info for >16-bit frames.
1111
1112 2004-08-25  Richard B. Kreckel  <richard.kreckel@framatome-anp.com>
1113
1114         PR target/17171
1115         * config/i386/gas.h (ASM_COMMENT_START): Define to "#".
1116
1117 2004-08-25  Richard Henderson  <rth@redhat.com>
1118
1119         * config/alpha/alpha.c (alpha_cannot_force_const_mem): New.
1120         (TARGET_CANNOT_FORCE_CONST_MEM): New.
1121
1122 2004-08-25  Andrew MacLeod  <amacleod@redhat.com>
1123
1124         * doc/tree-ssa.texi: Document new operand iterator.
1125
1126 2004-08-26  Alan Modra  <amodra@bigpond.net.au>
1127
1128         PR target/16480
1129         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Don't abort
1130         on "(mem (symbol_ref ..))" rtl.  Look at LO_SUM base regs as well
1131         as PLUS base regs.
1132
1133 2005-08-28  Paul Brook  <paul@codesourcery.com>
1134
1135         * config/arm/symbian.h (SUBTARGET_ASM_FLOAT_SPEC): Default to
1136         -mfpu=vfp -march=armv5t
1137         * config/arm/t-symbian: Change multilib to mfloat-abi=softfp.
1138
1139 2004-08-25  Richard Henderson  <rth@redhat.com>
1140
1141         * target-def.h (TARGET_SCALAR_MODE_SUPPORTED_P): New.
1142         * target.h (struct gcc_target): Add scalar_mode_supported_p.
1143         * targhooks.c (default_scalar_mode_supported_p): New.
1144         * targhooks.h (default_scalar_mode_supported_p): Declare.
1145         * doc/tm.texi (TARGET_SCALAR_MODE_SUPPORTED_P): Document.
1146
1147         * c-common.c (handle_mode_attribute): Query scalar_mode_supported_p
1148         before attempting to create types.  Tidy.
1149         * expr.c (vector_mode_valid_p): Use scalar_mode_supported_p.
1150
1151         * config/alpha/alpha.c (alpha_scalar_mode_supported_p): New.
1152         (TARGET_SCALAR_MODE_SUPPORTED_P): New.
1153
1154 2004-08-25  Richard Henderson  <rth@redhat.com>
1155
1156         * config/i386/freebsd.h (SUBTARGET_OVERRIDE_OPTIONS): Don't
1157         set REAL_MODE_FORMAT for TFmode.
1158
1159 2004-08-25  Ziemowit Laski  <zlaski@apple.com>
1160
1161         * c-decl.c (grokparm): New function.
1162         * c-tree.h (grokparm): New prototype.
1163
1164 2004-08-25  Andrew MacLeod  <amacleod@redhat.com>
1165
1166         * tree-ssa-operands.h (struct ssa_operand_iterator_d): New.  SSA operand
1167         iterator controlling structure.
1168         (SSA_OP_USE, SSA_OP_DEF, SSA_OP_VUSE, SSA_OP_VMAYUSE, SSA_OP_VMAYDEF,
1169         SSA_OP_VMUSTDEF, SSA_OP_VIRTUAL_USES, SSA_OP_VIRTUAL_DEFS,
1170         SSA_OP_ALL_USES, SSA_OP_ALL_DEFS, SSA_OP_ALL_OPERANDS): New.  Operand
1171         iterator flags.
1172         (FOR_EACH_SSA_TREE_OPERAND): New.  Iterate over operands as trees.
1173         (FOR_EACH_SSA_USE_OPERAND): New.  Iterate over operands as uses.
1174         (FOR_EACH_SSA_DEF_OPERAND): New.  Iterate over operands as defs.
1175         (FOR_EACH_SSA_MAYDEF_OPERAND): New.  Iterate over V_MAY_DEFs.
1176         * tree-ssa-operands.c (NULL_DEF_OPERAND_P, NULL_USE_OPERAND_P): New.
1177         Empty operand pointers.
1178         * tree-flow-inline.h (op_iter_done): New.  Return true if finished.
1179         (op_iter_next_use): New.  Return next use_operand_p.
1180         (op_iter_next_def): New.  Return next def_operand_p.
1181         (op_iter_next_tree): New.  Return next operands as a tree.
1182         (op_iter_init): New.  Initialize an iterator structure.
1183         (op_iter_init_use): New.  Initialize structure and get the first use.
1184         (op_iter_init_def): New.  Initialize structure and get the first def.
1185         (op_iter_init_tree): New.  Initialize structure and get the first tree.
1186         (op_iter_next_maydef): New.  Return next V_MAY_DEF operands.
1187         (op_iter_init_maydef): New.  Initialize structure and get the first
1188         V_MAY_DEF operands.
1189         * tree-cfg.c (tree_duplicate_bb): Use new operand iterator.
1190         * tree-dfa.c (compute_immediate_uses_for_stmt,
1191         redirect_immediate_uses): Use new operand iterator.
1192         (v_may_defs_disappeared_p, v_must_defs_disappeared_p): Delete.
1193         (mark_new_vars_to_rename): Use new operand iterator.  Count virtual
1194         operands instead of using *_disappeared_p routines.
1195         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites, rewrite_stmt,
1196         ssa_rewrite_stmt): Use new operand iterator.
1197         * tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb,
1198         rewrite_trees): Use new operand iterator.
1199         * tree-pretty-print.c (dump_vops): Use new operand iterator.
1200         * tree-sra.c (mark_all_v_defs): Use new operand iterator.
1201         * tree-ssa-alias.c (compute_points_to_and_addr_escape,
1202         dump_points_to_info): Use new operand iterator.
1203         * tree-ssa-ccp.c (cp_lattice_meet, visit_stmt, initialize,
1204         replace_uses_in, replace_vuse_in, likely_value, set_rhs): Use new
1205         operand iterator.
1206         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary,
1207         propagate_necessity): Use new operand iterator.
1208         * tree-ssa-dom.c (cprop_into_stmt, optimize_stmt): Use operand iterator.
1209         (register_definitions_for_stmt): Use new operand iterator.  Take stmt as
1210         a parameter instead of a stmt_ann_t.
1211         * tree-ssa-live.c (create_ssa_var_map, calculate_live_on_entry,
1212         build_tree_conflict_graph): Use new operand iterator.
1213         * tree-ssa-loop-im.c (determine_max_movement, single_reachable_address,
1214         rewrite_mem_refs): Use new operand iterator.
1215         * tree-ssa-loop-manip.c (find_uses_to_rename_stmt,
1216         check_loop_closed_ssa_use): Use new operand iterator.
1217         * tree-ssa.c (verify_ssa, replace_immediate_uses): Use operand iterator.
1218         * tree-ssanames.c (release_defs): Use new operand iterator.
1219         * tree-vectorizer.c (vect_create_data_ref): Use new operand iterator.
1220
1221 2004-08-25  Adam Nemet  <anemet@lnxw.com>
1222
1223         * tlink.c (initial_cwd): New variable.
1224         (tlink_init): Initialize it.
1225         (recompile_files): Use tlink_execute() instead of system().  Don't
1226         duplicate verbose output of collect_execute.  Restore initial_cwd.
1227         Update comment before the function.
1228
1229 2004-08-25  Ziemowit Laski  <zlaski@apple.com>
1230
1231         * c-typeck.c (build_c_cast): In ObjC, always preserve (and silently
1232         accept) a cast from one Objective-C pointer type to another.
1233
1234 2004-08-25  Paolo Carlini  <pcarlini@suse.de>
1235
1236         * doc/install.texi: Document that libstdc++-v3 requires
1237         now automake 1.9.1.
1238
1239 2004-08-25  Caroline Tice  <ctice@apple.com>
1240
1241         * bb-reorder.c (partition_hot_cold_basic_blocks):  Add more details
1242         to comments at start of function.
1243         * cfgbuild.c (make_edges):  Add more details to hot/cold partitioning
1244         comment.
1245         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
1246         merge_blocks_move_predecessor_nojumps,
1247         merge_blocks_move_successor_nojumps, merge_blocks_move,
1248         try_crossjump_to_edge, try_crossjump_bb): Likewise.
1249         * cfglayout.c (fixup_reorder_chain): Likewise.
1250         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
1251         cfg_layout_can_merge_blocks_p):  Likewise.
1252         * ifcvt.c (find_if_case_1, find_if_case_2): Likewise.
1253         * passes.c (rest_of_compilation): Update comments for calling
1254         optimization that partitions hot/cold basic blocks.
1255         * doc/invoke.texi:  Update documentation of
1256         freorder-blocks-and-partition flag.
1257
1258 2004-08-25  Richard Sandiford  <rsandifo@redhat.com>
1259
1260         * config/mips/mips.md (reg): Renamed mode attribute from ccreg.
1261         (*mov*_on_*): Adjust accordingly.  Add an explicit MOVECC: prefix.
1262
1263 2004-08-25  Richard Sandiford  <rsandifo@redhat.com>
1264
1265         * config/mips/mips.md (any_shift): New code macro.
1266         (optab, insn): New code attributes.
1267         ({ashl,ashr,lshr}[sd]i3): Redefine using :GPR and any_shift.
1268         Use the standard rather than internal patterns for the MIPS16
1269         double-shift optimization.
1270         (*{ashl,ashr,lshr}[sd]i3): New names for the non-mips16 shift patterns.
1271         Redefine using :GPR and any_shift.
1272         (*{ashl,ashr,lshr}si3_extend): Generalize ashlsi3_internal1_extend
1273         to cover all three shifts.
1274         (*{ashl,ashr,lshr}si3_mips16): New names for the mips16 SImode shifts.
1275         Redefine using any_shift.  Use :GPR and any_shift to combine splitters.
1276         (*{ashl,ashr,lshr}di3_mips16): New names for the mips16 DImode shifts.
1277
1278 2004-08-24  Geoffrey Keating  <geoffk@apple.com>
1279
1280         * gimplify.c (lookup_tmp_var): Separate temporaries when not
1281         optimizing.
1282
1283 2004-08-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1284
1285         PR libstdc++/17005 (fix for HP-UX 11.11)
1286         * config.gcc (hppa*-*-*): Move MASK_BIG_SWITCH to target_cpu_default2.
1287         (hppa*-*-hpux*): Consolidate hppa1.0-*-* code.  Rework handling of
1288         tm_file including pa-hpux1010.h or pa-hpux1111.h when appropriate.
1289         * config/pa/pa-hpux1010.h, config/pa/pa-hpux1111.h: New files.
1290         * config/pa/pa-hpux.h (TARGET_HPUX): Define.
1291         (LINK_SPEC): Handle march=1.0 option.
1292         * config/pa/pa-hpux10.h (TARGET_OS_CPP_BUILTINS): Predefine _XOPEN_UNIX
1293         and _XOPEN_SOURCE_EXTENDED for UNIX 95.
1294         (SUBTARGET_OPTIONS): New define.
1295         (LINK_SPEC): Handle march=1.0 option.
1296         (STARTFILE_SPEC): New define.
1297         * config/pa/pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Predefine _XOPEN_UNIX
1298         and _XOPEN_SOURCE_EXTENDED for UNIX 95.  Additionally, predefine
1299         _INCLUDE__STDC_A1_SOURCE and _INCLUDE_XOPEN_SOURCE_500 for UNIX 98.
1300         (SUBTARGET_OPTIONS): New define.
1301         (LINK_SPEC): Handle march=1.0 option.
1302         (STARTFILE_SPEC): New define.
1303         * config/pa/pa.c (override_options): Add code to process -munix= option.
1304         * config/pa/pa.h (pa_unix_string, flag_pa_unix): Declare.
1305         (TARGET_HPUX, TARGET_HPUX_10_10, TARGET_HPUX_11_11): Provide default
1306         defines.
1307         (TARGET_OPTIONS): Add SUBTARGET_OPTIONS to option list.
1308         (SUBTARGET_OPTIONS): Provide default define.
1309         * config/pa/pa64-hpux.h (STANDARD_STARTFILE_PREFIX_1,
1310         STANDARD_STARTFILE_PREFIX_2): New defines.
1311         (STARTFILE_SPEC): Provide unix95.o or unix98.o startfiles as necessary.
1312         (ENDFILE_SPEC): Use %O.
1313         * doc/install.texi (hppa*-*-hpux*): Reword paragraph on -g and gas.
1314         Mention issue caused by changing namespace and runtime to UNIX 95/98.
1315         * doc/invoke.texi (HPPA options): Move misplaced text to FRV options.
1316         Document -munix=std option.
1317
1318 2004-08-25  Steven Bosscher  <stevenb@suse.de>
1319
1320         * cse.c (cse_around_loop, cse_check_loop_start,
1321         cse_set_around_loop): Remove.
1322         (cse_basic_block): Remove the around_loop argument.
1323         (cse_end_of_basic_block): Remove the after_loop argument.
1324         (cse_main): Likewise.
1325         * rtl.h (cse_main): Update prototype.
1326         * passes.c (rest_of_handle_cse, rest_of_handle_cse2,
1327         rest_of_handle_gcse): Update cse_main calls.
1328
1329 2004-08-25  Nathan Sidwell  <nathan@codesourcery.com>
1330
1331         * tree.h  (build_int_cst): New, sign extended constant.
1332         (build_int_cstu): New, zero extended constant.
1333         (build_int_cst_wide): Renamed from build_int_cst.
1334         * tree.c (build_int_cst, build_int_cstu): New.
1335         (build_int_cst_wide): Renamed from build_int_cst.
1336         (make_vector_type, build_common_tree_nodes,
1337         build_common_tree_nodes_2): Adjust build_int_cst calls.
1338         * builtins.c (expand_builtin_prefetch, expand_builtin_strstr,
1339         expand_builtin_strpbrk, expand_builtin_fputs,
1340         build_string_literal, expand_builtin_printf,
1341         expand_builtin_sprintf, fold_builtin_classify_type,
1342         fold_builtin_lround, fold_builtin_bitop, fold_builtin_isascii,
1343         fold_builtin_toascii, fold_builtin_isdigit,
1344         simplify_builtin_strstr, simplify_builtin_strpbrk,
1345         fold_builtin_fputs, simplify_builtin_sprintf): Likewise.
1346         * c-common.c (start_fname_decls, fix_string_type, shorten_compare,
1347         DEF_ATTR_INT): Likewise.
1348         * c-decl.c (complete_array_type, check_bitfield_type_and_width):
1349         Likewise.
1350         * c-lex.c (interpret_integer, lex_charconst): Likewise.
1351         * c-parse.in (primary) <TYPES_COMPATIBLE_P> Likewise.
1352         * c-pretty-print.c (pp_c_integer_constant): Likewise.
1353         * c-typeck.c (really_start_incremental_init, push_init_level,
1354         set_nonincremental_init_from_string): Likewise.
1355         * calls.c (load_register_parameters): Likewise.
1356         convert.c (convert_to_pointer): Likewise.
1357         coverage.c (coverage_counter_alloc, tree_coverage_counter_ref,
1358         build_fn_info_type, build_fn_info_value, build_ctr_info_value,
1359         build_gcov_info): Likewise.
1360         * except.c (init_eh, assign_filter_values): Likewise.
1361         * expmed.c (store_fixed_bit_field, extract_bit_field,
1362         extract_fixed_bit_field, extract_split_bit_field, expand_shift,
1363         expand_mult_const, expand_mult_highpart_adjust, extract_high_half,
1364         expand_sdiv_pow2, expand_divmod, make_tree): Likewise.
1365         * expr.c (convert_move, emit_group_load, emit_group_store,
1366         expand_assignment, store_constructor, store_field,
1367         expand_expr_real_1, reduce_to_bit_field_precision): Likewise.
1368         fold-const.c (force_fit_type, int_const_binop, fold_convert_const,
1369         invert_truthvalue, optimize_bit_field_compare,
1370         decode_field_reference, all_ones_mask_p, constant_boolean_node,
1371         fold_div_compare, fold, fold_read_from_constant_string,
1372         fold_negate_const, fold_abs_const, fold_not_const, round_up,
1373         round_down): Likewise.
1374         * function.c (assign_parm_setup_block): Likewise.
1375         * stmt.c (shift_return_value, expand_case, estimate_case_costs):
1376         Likewise.
1377         * stor-layout.c (layout_type, initialize_sizetypes,
1378         set_min_and_max_values_for_integral_type): Likewise.
1379         * tree-chrec.c (chrec_fold_multiply_poly_poly,
1380         reset_evolution_in_loop): Likewise.
1381         * tree-chrec.h (build_polynomial_chrec): Likewise.
1382         * tree-complex.c (build_replicated_const): Likewise.
1383         * tree-eh.c (honor_protect_cleanup_actions,
1384         lower_try_finally_onedest, lower_try_finally_copy,
1385         lower_try_finally_switch): Likewise.
1386         * tree-mudflap.c (mf_build_string, mx_register_decls,
1387         mudflap_register_call, mudflap_enqueue_constant): Likewise.
1388         * tree-nested.c (get_trampoline_type, get_nl_goto_field): Likewise.
1389         * tree-pretty-print.c (dump_generic_node): Likewise.
1390         * tree-ssa-ccp.c (widen_bitfield, maybe_fold_offset_to_array_ref):
1391         Likewise.
1392         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
1393         * tree-ssa-loop-niter.c (number_of_iterations_cond,
1394         loop_niter_by_eval, upper_bound_in_type, lower_bound_in_type):
1395         Likewise.
1396         * tree-ssa-loop-ivcanon.c (create_canonical_iv,
1397         canonicalize_loop_induction_variables): Likewise.
1398         * tree-vectorizer.c (vect_create_index_for_array_ref,
1399         vect_transform_loop_bound, vect_compute_data_ref_alignment):
1400         Likewise.
1401
1402         * config/alpha/alpha.c (alpha_initialize_trampoline, alpha_va_start,
1403         alpha_gimplify_va_arg_1): Likewise.
1404         * config/arm/arm.c (arm_get_cookie_size): Likewise.
1405         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
1406         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
1407         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
1408         * config/mips/mips.c (mips_build_builtin_va_list, mips_va_start,
1409         mips_gimplify_va_arg_expr): Likewise.
1410         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
1411         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg,
1412         add_compiler_branch_island): Likewise.
1413         * config/s390/s390.c (s390_va_start): Likewise.
1414         * config/sh/sh.c (sh_va_start): Likewise.
1415         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
1416         Likewise.
1417         * config/xtensa/xtensa.c (xtensa_va_start,
1418         xtensa_gimplify_va_arg_expr): Likewise.
1419
1420         * objc/objc-act.c (build_objc_string_object,
1421         build_objc_symtab_template, init_def_list, init_objc_symtab,
1422         init_module_descriptor, generate_static_references,
1423         build_selector_translation_table, get_proto_encoding,
1424         build_typed_selector_reference, build_selector_reference,
1425         build_next_objc_exception_stuff,
1426         build_method_prototype_list_template, generate_descriptor_table,
1427         generate_protocols, build_protocol_initializer,
1428         build_ivar_list_template, build_method_list_template,
1429         build_ivar_list_initializer, generate_ivars_list,
1430         generate_dispatch_table, generate_protocol_list,
1431         build_category_initializer, build_shared_structure_initializer,
1432         generate_shared_structures, handle_impent,
1433         generate_objc_image_info): Likewise.
1434
1435 2004-04-25  Paolo Bonzini  <bonzini@gnu.org>
1436
1437         * cfglayout.c (duplicate_insn_chain): Remove references to
1438         NOTE_INSN_LOOP_VTOP and NOTE_INSN_LOOP_CONT.
1439         * cfgloop.h (struct loop): Remove fields vtop, cont and cont_dominator.
1440         * cfgrtl.c (rtl_delete_block): Remove handling of NOTE_INSN_LOOP_CONT.
1441         * final.c (final_scan_insn): Remove references to NOTE_INSN_LOOP_VTOP
1442         and NOTE_INSN_LOOP_CONT.
1443         * insn-notes.def (NOTE_INSN_LOOP_VTOP, NOTE_INSN_LOOP_CONT): Remove.
1444         * jump.c (squeeze_notes): Remove references to NOTE_INSN_LOOP_VTOP
1445         and NOTE_INSN_LOOP_CONT.
1446         * loop.c (scan_loops, find_and_verify_loops, for_each_insn_in_loop,
1447         check_dbra_loop, loop_dump_aux): Remove references to removed notes
1448         and fields.
1449         * reorg.c (mostly_true_jump): Do not rely on NOTE_INSN_LOOP_VTOPs.
1450         * unroll.c (unroll_loop, copy_loop_body, loop_iterations): Remove
1451         references to removed notes and fields.
1452         (subtract_reg_term, ujump_to_loop_cont): Remove.
1453
1454 2004-08-25  Paolo Bonzini  <bonzini@gnu.org>
1455
1456         * doc/install.texi: Document that libcpp does not require
1457         Automake any longer.  Document that Automake 1.9.1 should
1458         work everywhere.
1459
1460 2004-08-25  Zack Weinberg  <zack@codesourcery.com>
1461
1462         * flags.h (enum debug_info_type): Remove DWARF_DEBUG.
1463         * defaults.h (PREFERRED_DEBUGGING_TYPE): Remove check for
1464         DWARF_DEBUGGING_INFO from choice-of-definition chain;
1465         restructure using C89 features (#elif, #error).
1466         * c-lex.c, final.c, opts.c, config/cris/cris.c, config/frv/frv.c
1467         * config/sh/sh.h: Remove references to DWARF_DEBUG.
1468         * doc/invoke.texi: Remove references to DWARF version 1;
1469         clarify why -gdwarf-2<n> doesn't work.
1470
1471 2004-08-25  Zack Weinberg  <zack@codesourcery.com>
1472
1473         * basic-block.h (BB_SET_PARTITION): Clear old value first.
1474         * cfg.c (clear_bb_flags): Don't clear partition setting.
1475         * ifcvt.c (find_if_case_1): Remove ??? comment.
1476
1477 2004-08-25  Alan Modra  <amodra@bigpond.net.au>
1478
1479         PR target/17052
1480         * config/rs6000/rs6000.h (machine_function): Remove sysv_varargs_p.
1481         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
1482         current_function_stdarg in place of sysv_varargs_p.
1483         * config/rs6000/rs6000.c (setup_incoming_varargs): Don't set
1484         sysv_varargs_p.
1485
1486 2004-08-24  Richard Henderson  <rth@redhat.com>
1487
1488         PR target/16298
1489         * config/i386/i386.c (legitimate_constant_p): Rework to not accept
1490         random codes within CONST.
1491
1492 2004-08-24  James E Wilson  <wilson@specifixinc.com>
1493
1494         * Makefile.in (STAGEFEEDBACK_FLAGS_TO_PASS): Remove
1495         -freorder-blocks-and-partition.
1496
1497 2004-08-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1498
1499         PR middle-end/17044
1500         * tree-ssa-threadupdate.c (redirection_data): Make static.
1501         (thread_block): Use ggc_alloc_cleared to allocate struct
1502         redirection_data.  Don't free elements in redirection_data.
1503
1504 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
1505
1506         * config/mips/predicates.md (small_data_pattern): Match prefetches.
1507
1508 2004-08-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1509
1510         PR tree-optimization/17016
1511         * tree-ssa-loop-niter.c (number_of_iterations_cond,
1512         number_of_iterations_exit): Use POINTER_TYPE_P instead
1513         of testing for POINTER_TYPE.
1514
1515 2004-08-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1516
1517         * tree-ssa-loop-ivcanon.c: New file.
1518         * tree-ssa-loop-manip.c (create_iv): New function.
1519         * Makefile.in (tree-ssa-loop-ivcanon.o): Add.
1520         (tree-ssa-loop.o, tree-ssa-loop-manip.o): Add SCEV_H dependency.
1521         * cfgloop.c (mark_single_exit_loops): New function.
1522         (verify_loop_structure): Verify single-exit loops.
1523         * cfgloop.h (struct loop): Add single_exit field.
1524         (LOOPS_HAVE_MARKED_SINGLE_EXITS): New constant.
1525         (mark_single_exit_loops): Declare.
1526         (tree_num_loop_insns): Declare.
1527         * cfgloopmanip.c (update_single_exits_after_duplication): New function.
1528         (duplicate_loop_to_header_edge): Use it.
1529         * common.opt (fivcanon): New flag.
1530         * timevar.def (TV_TREE_LOOP_IVCANON, TV_COMPLETE_UNROLL): New timevars.
1531         * tree-cfg.c (tree_find_edge_insert_loc): Return newly created block.
1532         (bsi_commit_edge_inserts_1): Pass null to tree_find_edge_insert_loc.
1533         (bsi_insert_on_edge_immediate): New function.
1534         * tree-flow.h (bsi_insert_on_edge_immediate,
1535         canonicalize_induction_variables, tree_unroll_loops_completely,
1536         create_iv): Declare.
1537         * tree-optimize.c (init_tree_optimization_passes): Add
1538         pass_iv_canon and pass_complete_unroll.
1539         * tree-pass.h (pass_iv_canon, pass_complete_unroll): Declare.
1540         * tree-scalar-evolution.c (get_loop_exit_condition,
1541         get_exit_conditions_rec, number_of_iterations_in_loop,
1542         scev_initialize): Use single_exit information.
1543         * tree-ssa-loop-niter.c (number_of_iterations_cond): Record
1544         missing assumptions.
1545         (loop_niter_by_eval):  Return number of iterations as unsigned
1546         int.
1547         * tree-ssa-loop.c (tree_ssa_loop_init): Mark single exit loops.
1548         (tree_ssa_loop_ivcanon, gate_tree_ssa_loop_ivcanon, pass_iv_canon,
1549         tree_complete_unroll, gate_tree_complete_unroll, pass_complete_unroll):
1550         New passes.
1551         (tree_ssa_loop_done): Call free_numbers_of_iterations_estimates.
1552         * tree-ssanames.c (make_ssa_name): Allow creating ssa name before
1553         the defining statement is ready.
1554         * tree-vectorizer.c (vect_create_iv_simple): Removed.
1555         (vect_create_index_for_array_ref, vect_transform_loop_bound):
1556         Use create_iv.
1557         (vect_transform_loop_bound): Use single_exit information.
1558         (vect_analyze_loop_form): Cleanup bogus tests.
1559         (vectorize_loops): Do not call flow_loop_scan.
1560         * tree.h (may_negate_without_overflow_p): Declare.
1561         * fold-const.c (may_negate_without_overflow_p): Split out from ...
1562         (negate_expr_p): ... this function.
1563         (tree_expr_nonzero_p): Handle overflowed constants correctly.
1564         * doc/invoke.texi (-fivcanon): Document.
1565         * doc/passes.texi: Document canonical induction variable creation.
1566
1567 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
1568
1569         * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): Delete.
1570         * config/mips/mips.c (print_operand): Fold %B/%b handling into %T/%t,
1571         using the mode of the operand to decide between them.
1572         * config/mips/mips.md (MOVECC): New mode macro.
1573         (ccreg): New mode attribute.
1574         (*mov{si,di,sf,df}_on_{cc,si,di}): Name formerly unnamed patterns.
1575         Redefine using :GPR and :MOVECC.  Use %T and %t for the condition.
1576         (mov[sd]icc): Redefine using :GPR.
1577
1578 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
1579
1580         * config/mips/mips-protos.h (mips_emit_prefetch): Delete.
1581         (mips_prefetch_cookie): New function.
1582         * config/mips/mips.c (print_operand_address): Fix handling of
1583         ADDRESS_CONST_INT.
1584         (mips_emit_prefetch): Delete.
1585         (mips_prefetch_cookie): New function.
1586         * config/mips/mips.md (prefetch): Turn into a define_insn.  Use a
1587         mode of QImode for the address_operand.  Use mips_prefetch_cookie
1588         to calculate the first "pref" operand.
1589         (prefetch_[sd]i, prefetch_[sd]i_address): Delete.
1590         (prefetch_indexed_[sd]i): Redefine using :P.  Use mips_prefetch_cookie.
1591
1592 2004-08-24  Richard Earnshaw  <rearnsha@arm.com>
1593
1594         * arm.md: Include predicates.md.
1595         * predicates.md: New file.
1596         * arm.c (s_register_operand, arm_hard_register_operand)
1597         (arm_general_register_operand, f_register_operand, reg_or_int_operand)
1598         (arm_immediate_operand, arm_neg_immediate_operand)
1599         (arm_not_immediate_operand, arm_rhs_operand, arm_rhsm_operand)
1600         (arm_add_operand, arm_addimm_operand, arm_not_operand)
1601         (offsettable_memory_operand, alignable_memory_operand)
1602         (arm_reload_memory_operand, arm_float_rhs_operand)
1603         (arm_float_add_operand, vfp_compare_operand, arm_float_compare_operand)
1604         (index_operand, shiftable_operator, logical_binary_operator)
1605         (shift_operator, equality_operator, arm_comparison_operator)
1606         (minmax_operator, cc_register, dominant_cc_register)
1607         (arm_extendqisi_mem_op, power_of_two_operand, nonimmediate_di_operand)
1608         (di_operand, nonimmediate_soft_df_operand, soft_df_operand)
1609         (const_shift_operand, load_multiple_operation)
1610         (store_multiple_operation, multi_register_push, thumb_cmp_operand)
1611         (thumb_cmpneg_operand, thumb_cbrch_target_operand)
1612         (cirrus_register_operand, cirrus_fp_register)
1613         (cirrus_shift_const): Delete, replaced with equivalents in
1614         predicates.md.
1615         (shift_op): Handle ROTATE.
1616         * arm-protos.h: Delete declarations for above.
1617         * arm.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Delete.
1618         * t-arm (MD_INCLUDES): Add predicates.md.
1619         (s-preds): Depends on MD_INCLUDES.
1620
1621 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
1622
1623         * config/mips/mips.c (mips_gen_conditional_trap): Fix mode.
1624         * config/mips/mips.md (*conditional_trap[sd]i): Name previously unnamed
1625         patterns.  Redefine using :GPR.  Give the match_operator a mode.
1626         Use '%2' rather than '%z2' for operand 2.
1627
1628 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
1629
1630         * config/mips/mips.md (load_call[sd]i): Redefine using :P.  Add mode
1631         attribute.
1632
1633 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
1634
1635         * config/mips/mips.md (indirect_jump): Use force_reg.  Adjust names
1636         of internal patterns.
1637         (indirect_jump[sd]i): Renamed from indirect_jump_internal[12].
1638         Redefine using :P.
1639         (tablejump): Use expand_binop to calculate address.  Adjust names
1640         of internal patterns.
1641         (tablejump[sd]i): Renamed from tablejump_internal[12].
1642         Redefine using :P.
1643         (tablejump_mips16[12]): Delete.
1644
1645 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
1646
1647         * config/mips/mips.md (*seq_[sd]i, *seq_[sd]i_mips16, *sne_[sd]i)
1648         (*sgt_[sd]i, *sgt_[sd]i_mips16, *sge_[sd]i, *slt_[sd]i)
1649         (*slt_[sd]i_mips16, *sle_[sd]i, *sle_[sd]i_mips16, *sgtu_[sd]i)
1650         (*sgtu_[sd]i_mips16, *sge_[sd]i, *sltu_[sd]i, *sltu_[sd]i_mips16)
1651         (*sleu_[sd]i, *sleu_[sd]i_mips16): Redefine using :GPR.
1652
1653 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
1654
1655         * config/mips/mips.md (cmpsi, cmpdi): Redefine using :GPR.
1656         (*branch_zero[sd]i): Renamed from branch_zero{,_di}.  Redefine
1657         using :GPR.
1658         (*branch_zero[sd]i_inverted): Likewise branch_zero{,_di}_inverted.
1659         (*branch_equality[sd]i): Likewise branch_equality{,_di}.
1660         (*branch_equality[sd]i_inverted): Likewise
1661         branch_equality{,_di}_inverted.
1662         (*branch_equality[sd]i_mips16): Name formerly unnamed patterns.
1663         Redefine using :GPR.
1664
1665 2004-08-24  Zack Weinberg  <zack@codesourcery.com>
1666
1667         * rtl.def: Reorganize, placing all codes used only in machine
1668         descriptions at the end.
1669
1670         * rtl.def: Wrap MD-only codes in #ifdef GENERATOR_FILE.
1671         * gengtype.c: Don't include rtl.h.  Define enum rtx_code and
1672         rtx_name, rtx_format arrays by direct reference to rtl.def,
1673         first undefining GENERATOR_FILE.  Define enum insn_note and
1674         note_insn_name array by direct reference to insn-notes.def.
1675         (adjust_field_rtx_def): Remove local definition of rtx_name.
1676         Use symbolic names for insn notes.
1677         * Makefile.in (gengtype.o): Update dependencies.
1678
1679 2004-08-24  Zack Weinberg  <zack@codesourcery.com>
1680
1681         * basic-block.h (struct basic_block_def): Reorder fields to
1682         eliminate interior padding.  Remove 'partition' field.
1683         (BB_DISABLE_SCHEDULE, BB_HOT_PARTITION, BB_COLD_PARTITION)
1684         (BB_UNPARTITIONED, BB_PARTITION, BB_SET_PARTITION)
1685         (BB_COPY_PARTITION): New macros.
1686         * bb-reorder.c, cfgcleanup.c, cfglayout.c, cfgrtl.c, ifcvt.c
1687         Replace all references to the 'partition' field of a basic
1688         block with new macros.
1689
1690         * insn-notes.def: Delete NOTE_INSN_DISABLE_SCHED_OF_BLOCK.
1691         * final.c (final_scan_insn): Don't handle it.
1692         * modulo-sched.c: Set BB_DISABLE_SCHEDULE flag on g->bb
1693         instead of emitting a NOTE_INSN_DISABLE_SCHED_OF_BLOCK note.
1694         * sched-rgn.c (sched_is_disabled_for_current_region_p):
1695         Look for a BB_DISABLE_SCHEDULE flag on the block instead of a note.
1696
1697 2004-08-24  Nathan Sidwell  <nathan@codesourcery.com>
1698
1699         * c-decl.c (c_init_decl_processing): Adjust
1700         build_common_tree_nodes call.
1701         * expmed.c (const_mult_add_overflow_p): Use
1702         build_distinct_type_copy.
1703         * stor-layout.c (early_type_list): Remove.
1704         (layout_type): Don't append to early_type_list.
1705         (initialize_sizetypes): Add signed_p argument.
1706         (set_sizetype): Overwrite the stub type nodes directly.
1707         * tree.c (copy_node_stat): Clear a type's value cache here ...
1708         (build_distinct_type): ... not here.
1709         (build_common_tree_nodes): Add signed_sizetype argument. Adjust.
1710         * tree.h (initialize_sizetypes): Add signed_p argument.
1711         (build_common_tree_nodes): Likewise.
1712
1713         * objc/objc-act.c (get_static_reference): Use
1714         build_variant_type_copy.
1715         (get_protocol_reference): Likewise.
1716         * objc/objc-act.h (TREE_STATIC_TEMPLATE): Use TREE_PRIVATE.
1717
1718 2004-08-24  Richard Henderson  <rth@redhat.com>
1719             Andrew Pinski  <apinski@apple.com>
1720
1721         * gimplify.c (gimplify_array_ref_to_plus): Delete.
1722         (gimplify_addr_expr): Do not call gimplify_array_ref_to_plus
1723         for ARRAY_REF.
1724
1725         * config/rs6000/rs6000.c (altivec_expand_builtin): Go passed
1726         ARRAY_REF also to get to the STRING_CST.
1727
1728 2004-08-24  Paul Brook  <paul@codesourcery.com>
1729
1730         * config/arm/arm.c (arm_override_options): Update error message.
1731         * config/arm/arm.h (TARGET_HARD_FLOAT): Rename to
1732         TARGET_HARD_FLOAT_ABI.
1733         (TARGET_SOFT_FLOAT_ABI): Rename to TARGET_HARD_FLOAT.
1734         (LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Use TARGET_HARD_FLOAT_ABI.
1735
1736 2004-08-24  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
1737
1738         PR target/17093
1739         * config/m32r.md (movsi_sda): Add SI mode specification to
1740         UNSPEC.
1741
1742 2004-08-24  Nick Clifton  <nickc@redhat.com>
1743
1744         * config/m32r/m32r.h (PREDICATE_CODES): Remove duplicate definition
1745         of seth_add3_operand.
1746
1747 2004-08-24  Nathan Sidwell  <nathan@codesourcery.com>
1748
1749         * Makefile.in (PROTO_OBJS): Add errors.o.
1750         * protoize.c (fancy_abort): Remove.
1751         * mips-tfile.c (fancy_abort): Add parameters.
1752
1753 2004-08-24  Jonathan Wakely  <redi@gcc.gnu.org>
1754
1755         * doc/trouble.texi (C++ misunderstandings): Fix example code.
1756
1757 2004-08-24  Andreas Tobler  <a.tobler@schweiz.ch>
1758
1759         * Makefile.in (HOOKS_H): Add dependency on MACHMODE_H.
1760         (host-default.o): Add dependency on HOOKS_H.
1761         * config/x-linux: Likewise.
1762         * config/x-solaris: Likewise.
1763         * config/i386/x-mingw32: Likewise.
1764         * config/rs6000/x-darwin: Likewise.
1765
1766 2004-08-23  James E Wilson  <wilson@specifixinc.com>
1767
1768         * reg-notes.def (REG_NOTE): In comment, change DEF_INSN_NOTE to
1769         DEF_REG_NOTE.
1770
1771 2004-08-23  Mark Mitchell  <mark@codesourcery.com>
1772
1773         PR c/14492
1774         * dwarf2out.c (loc_descriptor_from_tree): Robustify.
1775
1776 2004-08-23  Diego Novillo  <dnovillo@redhat.com>
1777
1778         * cfg.c (check_bb_profile): Fix typos.
1779         * function.c (assign_parm_is_stack_parm): Likewise.
1780         * tree-nested.c: Likewise.
1781
1782 2004-08-23  Daniel Jacobowitz  <dan@debian.org>
1783
1784         * ggc-zone.c (struc alloc_chunk): Rearrange flag bits and SIZE.
1785         Remove TYPECODE.
1786         (ggc_alloc_zone_1): Mark TYPE as unused.  Don't save it in the chunk.
1787
1788 2004-08-23  Eric Christopher  <echristo@redhat.com>
1789
1790         * defaults.h (VECTOR_MODE_SUPPORTED_P): Remove macro.
1791         * system.h (VECTOR_MODE_SUPPORTED_P): Poison.
1792         * target-def.h (TARGET_VECTOR_MODE_SUPPORTED_P): Define.
1793         * target.h: Ditto.
1794         * hooks.h: Include machmode.h.
1795         (hook_bool_mode_false): Declare.
1796         * hooks.c (hook_bool_mode_false): Define.
1797         * expr.c (vector_mode_valid_p): Use targetm.vector_mode_supported_p.
1798         * stor-layout.c (layout_type): Ditto.
1799         * config/alpha/alpha.c (alpha_vector_mode_supported_p): New function.
1800         Define to target macro.
1801         * config/alpha/alpha.h (VECTOR_MODE_SUPPORTED_P): Delete.
1802         * config/arm/arm.c: Ditto. Use.
1803         * config/arm/arm.h: Ditto.
1804         * config/arm/arm-protos.h: Ditto.
1805         * config/i386/i386.c: Ditto.
1806         * config/i386/i386.h: Ditto.
1807         * config/rs6000/rs6000.c: Ditto.
1808         * config/rs6000/rs6000.h: Ditto.
1809         * config/sh/sh.c: Ditto.
1810         * config/sh/sh.h: Ditto.
1811         * config/sh/sh-protos.h: Ditto.
1812         * config/sh/sh.md: Use.
1813         * doc/tm.texi: Move documentation for VECTOR_MODE_SUPPORTED_P
1814         to TARGET_VECTOR_MODE_SUPPORTED_P.
1815
1816 2004-08-23  Nathan Sidwell  <nathan@codesourcery.com>
1817
1818         * Makefile.in (BUILD_ERRORS): Set to build-errors.
1819         (errors.o): New target for host.
1820         (build-errors.o): New target for build.
1821         (genobjs): Replace errors.o with build-errors.
1822         (gengenrtl$(buildexeext)): Add $(BUILD_ERRORS).
1823         (GCOV_OBJS, GCOV_DUMP_OBJS): Add errors.o.
1824         (fix-headers$(build_exeext)): Add $(BUILD_ERRORS).
1825         (fix-header.o): Add errors.h
1826         * collect2.c (fancy_abort): Add parameters.
1827         * collect2.h (fancy_abort): Don't declare.
1828         * errors.h (fancy_abort): Don't declare.
1829         * errors.c: Include either bconfig.h or config.h.
1830         (fancy_abort): Trim filename.
1831         * fix-header.c (v_fatal, fatal): Remove.
1832         (progname): Remove definition.
1833         (main): Set progname here.
1834         * gcc.c (fancy_abort): Add parameters.
1835         * gcc.h (fancy_abort): Remove declaration.
1836         * gcov.c (fancy_abort): Remove.
1837         * rtl.h (fancy_abort): Don't declare.
1838         (abort): Don't define.
1839         * tree.h (fancy_abort): Don't declare.
1840         (abort): Don't define.
1841         * system.h (fancy_abort): Declare.
1842         (abort): Define to fancy_abort.
1843         * fixinc/Makefile.in (ALLOBJ): Add ../build-errors.o
1844
1845         * tree.h (enum size_type_kind): Remove USIZETYPE, UBITSIZETYPE.
1846         (usize_type, ubitsizetype): Remove.
1847         * stor-layout.c (set_sizetype): Don't initialize usizetype,
1848         ubitsizetype.
1849         * fold-const.c (size_diffop): TYPE can never be ubitsizetype.
1850
1851         * tree.h (build_distinct_type_copy): New.
1852         (build_type_copy): ... here.  Rename to ...
1853         (build_variant_type_copy): ... here.
1854         * tree.c (build_qualified_type): Rename build_type_copy call.
1855         (build_distinct_type_copy): New, broken out of ...
1856         (build_type_copy): ... here.  Rename to ...
1857         (build_variant_type_copy): ... here.  Use
1858         build_distinct_type_copy.
1859         (build_common_tree_nodes_2): Rename build_type_copy call.
1860         * c-common.c (c_common_nodes_and_builtins): Rename build_type_copy
1861         call.
1862         (handle_packed_attribute, handle_unused_attribute,
1863         handle_transparanet_union_attribute, handle_aligned_attribute,
1864         handle_deprecated_attribute): Likewise.
1865         * c-decl.c (clone_underlying_type, store_parm_decls_oldstyle):
1866         Likewise.
1867         * config/arm/arm.c (arm_handle_isr_attribyte): Likewise.
1868         * config/rs6000/rs6000.c (rs6000_init_builtins): Use
1869         build_distinct_type_copy.
1870
1871 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1872
1873         * config/mips/mips.md (mfhilo_[sd]i): Redefine using :GPR.  Add mode
1874         attribute.
1875
1876 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1877
1878         * config/mips/mips.md (length): Don't use mips_fetch_insns for indexed
1879         loads and stores.
1880         (*lwxc1_<mode>, *ldxc1_<mode>, *swxc1_<mode>, *sdxc1_<mode>): Name
1881         formerly unnamed patterns.  Redefine using :P for the address.  Remove
1882         explicit length attributes.
1883
1884 2004-08-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1885
1886         * tree-ssa-loop-im.c (fem_single_reachable_address, for_each_memref):
1887         New functions.
1888         (single_reachable_address): Use them.
1889         (schedule_sm): Add dump.
1890         (is_call_clobbered_ref): New function.
1891         (determine_lsm_reg): Check whether the reference is call clobbered.
1892         Only work for gimple_reg_type values.
1893
1894 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1895
1896         * config/mips/mips.md (*mov<mode>_ra): Name previously unnamed MIPS16
1897         $31 store insns.  Redefine using :GPR.
1898
1899 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1900
1901         * config/mips/mips.md (P): New mode macro.
1902         (*xgot_hi[sd]i, *xgot_lo[sd]i, *got_disp[sd]i, *got_page[sd]i)
1903         (*load_got[sd]i, *low[sd]i, *low[sd]i_mips16): Redefine using :P.
1904         Add mode attributes.
1905
1906 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1907
1908         * config/mips/mips.md (UNSPEC_[LS][WD][LR]): Delete in favor of...
1909         (UNSPEC_{LOAD,STORE}_{LEFT,RIGHT}): ...these new constants.  Shuffle
1910         later constants to cover the gap.
1911         (load, store): New mode attributes.
1912         (mov_l[wd]l, mov_l[wd]r, mov_s[wd]l, mov_s[wd]r): Redefine using :GPR.
1913         Use new unspec constants.
1914
1915 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1916
1917         * config/mips/mips.md (one_cmpl[sd]i2): Redefine using :GPR.
1918         (and[sd]3, ior[sd]i3, xor[sd]i3): Likewise.  Change 32-bit patterns
1919         to use register_operand rather than uns_arith_operand as the predicate
1920         for operand 1.  Remove redundant MIPS16 force_reg() for operand 1.
1921         (*and[sd]i3, *ior[sd]i3, *xor[sd]i3): Name formerly unnamed patterns.
1922         Redefine using :GPR.  Make same predicate change here.  Extend the
1923         commutativity of operands 1 and 2 from the SImode version to the
1924         DImode one.
1925         (*and[sd]i3_mips16, *ior[sd]i3_mips16, *xor[sd]i3_mips16): Likewise,
1926         but with no predicate changes.
1927         (*nor[sd]i3): Redefine using :GPR.
1928
1929 2004-08-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1930
1931         * tree-ssa-operands.c (get_call_expr_operands): Add VUSE operands for
1932         noreturn functions.
1933
1934 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1935
1936         * config/mips/mips.h (ISA_HAS_DCLZ_DCLO): Delete.
1937         * config/mips/mips.md (abs[sd]i2): Redefine using :GPR.  Only use
1938         branch-likely insns for absdi2 if GENERATE_BRANCHLIKELY.  Use "%."
1939         rather than "%z2" (with a fake const0_rtx for operand 2).
1940         (ffs[sd]i2): Redefine using :GPR.
1941         (clz[sd]i2): Likewise.  Use ISA_HAS_CLO_CLZ for the 64-bit case.
1942
1943 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1944
1945         * config/mips/mips.md ({,u}divmod[sd]i4): Redefine using :GPR.
1946
1947 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1948
1949         * config/mips/mips.md (any_extend): New code macro.
1950         (u, su): New code attributes.
1951         ({,u}mulsidi3, {,u}mulsidi3_32bit_internal, {,u}mulsidi3_32bit_r4000)
1952         ({u,s}mulsi3_highpart, {u,s}mulsi3_highpart_internal)
1953         ({u,s}mulsi3_highpart_mulhi_internal, {s,u}muldi3_highpart)
1954         (*{s,u}mul_acc_di): Redefine using any_extend.
1955         (*{,u}muls_di, *{s,u}msac_di): Likewise.  Change names of patterns
1956         to reflect real insn names.
1957         (*mulsidi3_64bit, *mulsidi3_64bit_parts): Replace use of match_operator
1958         with an any_extend template.
1959         ({u,s}mulsi3_highpart_neg_mulhi_internal): Redefine using any_extend.
1960         Add '*' to name.
1961
1962 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1963
1964         * config/mips/mips.h (GENERATE_MULT3_SI): Check TARGET_MAD.
1965         * config/mips/mips.md (mul[sd]i3, mul[sd]i3_internal)
1966         (mul[sd]i3_r4000): Redefine using :GPR.
1967         (mulsi3_mult3): Don't check TARGET_MAD separately.
1968         (muldi3_mult3): Moved after mulsi_mult3.
1969
1970 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1971
1972         * config.gcc (mips-*-*): Remove definitions of MASK_GAS and
1973         OBJECT_FORMAT_ELF.  Set MASK_SPLIT_ADDR by default if using GNU ld.
1974         * config/mips/mips.h (MASK_GAS): Delete.  Shuffle later masks down.
1975         (TARGET_GAS, TARGET_MIPS_AS): Delete.
1976         (TARGET_GPWORD): Define to true for n32 on IRIX.
1977         (TARGET_SWITCHES): Remove -mmips-as.  Turn -mgas into a no-op.
1978         (MIPS_AS_ASM_SPEC, SUBTARGET_MIPS_AS_ASM_SPEC): Delete.
1979         (GAS_ASM_SPEC): Delete, folding into ASM_SPEC.
1980         (ASM_ABI_DEFAULT_SPEC, TARGET_ASM_SPEC): Delete.
1981         (MDEBUG_ASM_SPEC): Delete, folding into...
1982         (SUBTARGET_ASM_DEBUGGING_SPEC): ...here.
1983         (ASM_SPEC): Inline old GAS_ASM_SPEC.  Use GNU names for ABI switches.
1984         (EXTRA_SPECS): Remove mips_as_asm_spec, gas_asm_spec, target_asm_spec,
1985         subtarget_mips_as_asm_spec, mdebug_asm_spec.  Use MULTILIB_ABI_DEFAULT
1986         to define asm_abi_default_spec.
1987         (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP): Delete.
1988         (TARGET_ASM_SELECT_SECTION): Delete.
1989         * config/mips/mips.c (MIPS_MAX_FIRST_STACK_STEP): Define to 0x7ff0
1990         for non-mips16 code, removing previous workaround for SGI assemblers.
1991         (TARGET_ASM_INTEGER, mips_assemble_integer): Delete.
1992         (TARGET_ASM_ALIGNED_DI_OP): Define this instead.
1993         (override_options): Remove !TARGET_GAS and !have_named_sections code.
1994         (print_operand): Fold TARGET_GAS conditionals into asm strings.
1995         (mips_output_filename): Remove !TARGET_GAS code.  Replace use of
1996         ASM_STABS_OP and ASM_STABN_OP.
1997         (mips_file_start): Remove TARGET_MIPS_AS/TARGET_GAS checks.
1998         (mips_output_aligned_decl_common): Remove mention of SGI o32 assembler.
1999         (mips_output_function_prologue): Remove !TARGET_GAS code.
2000         (mips_select_rtx_section): Remove !have_named_sections code.
2001         (mips_select_section): Delete.
2002         * config/mips/mips.md (trap): Remove !TARGET_GAS check.
2003         * config/mips/linux.h (TARGET_DEFAULT): Remove use of MASK_GAS.
2004         * config/mips/sdb.h (PUT_SDB_DEF, PUT_SDB_PLAIN_DEF): Delete.
2005         (PUT_SDB_BLOCK_START, PUT_SDB_BLOCK_END): Fold TARGET_GAS conditional.
2006         * config/mips/vxworks.h (ASM_SPEC): As for mips.h.
2007         * config/mips/windiss.h (ASM_SPEC): Likewise.
2008
2009 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
2010
2011         * read-rtl.c (map_value, mapping, macro_group): New structures.
2012         (BELLWETHER_CODE): New macro.
2013         (modes, codes, bellwether_codes): New variables.
2014         (find_mode, uses_mode_macro_p, apply_mode_macro, find_code)
2015         (uses_code_macro_p, apply_code_macro, apply_macro_to_string)
2016         (apply_macro_to_rtx, uses_macro_p, add_condition_to_string)
2017         (add_condition_to_rtx, apply_macro_traverse, add_mapping)
2018         (add_map_value, initialize_macros): New functions.
2019         (def_hash, def_hash_eq_p): Generalize to anything that points to,
2020         or starts with, a char * field.
2021         (find_macro, read_mapping, check_code_macro): New functions.
2022         (read_rtx_1): New, split out from read_rtx.  Handle the new
2023         define_{mode,code}_{macro,attr} constructs.  Use find_macro
2024         to parse the name of a code or mode.  Use BELLWETHER_CODE to
2025         extract the format and to choose a suitable code for rtx_alloc.
2026         Modify recursive invocations to use read_rtx_1.
2027         (read_rtx): Call initialize_macros.  Apply code and mode macros
2028         to the rtx returned by read_rtx_1.  Cache everything after the
2029         first macro expansion for subsequent read_rtx calls.
2030         * doc/md.texi: Document new .md constructs.
2031         * config/mips/mips.md (GPR): New mode macro.
2032         (d, si8_di5): New mode attributes.
2033         (any_cond): New code macro.
2034         (add[sd]i3): Redefine using :GPR.
2035         (*add[sd]i3): Likewise, renaming from add[sd]i3_internal.
2036         (*add[sd]i3_sp[12], *add<mode>3_mips16): Redefine using :GPR, naming
2037         previously unnamed MIPS16 patterns.
2038         (*addsi3_extended): Renamed from addsi3_internal_2.  Fix overly long
2039         lines.  Don't match (plus (const_int 0) ...).
2040         (*addsi3_extended_mips16): Name previously unnamed MIPS16 pattern.
2041         Use a define_split to generate the addition.
2042         (sub[sd]i3): Redefine using :GPR.  Turn subsi3 into a define_insn.
2043         (subsi3_internal): Delete.
2044         (*subsi3_extended): Renamed from subsi3_internal_2.
2045         (bunordered, bordered, bunlt, bunge, buneq, bltgt, bunle, bungt)
2046         (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Redefine
2047         using an any_cond template.
2048
2049 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
2050
2051         * read-rtl.c (read_rtx): Tidy use of format_ptr.
2052
2053 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
2054
2055         * read-rtl.c (string_obstack): New file-scope variable.
2056         (read_string, read_quoted_string, read_braced_string)
2057         (read_escape): Remove obstack parameter and use string_obstack instead.
2058         (read_rtx): Remove function-local rtl_obstack and initialize
2059         string_obstack instead.  Update call to read_string.
2060
2061 2004-08-22  Andrew Pinski  <apinski@apple.com>
2062
2063         PR c/15262
2064         * c-typeck.c (build_unary_op): Use &a.b if the foldded lowered
2065         expression is not constant.
2066         (c_finish_return): Do not go through INDIRECT_REF when looking
2067         for the inner expression of an ADDR_EXPR for warning about.
2068
2069 2004-08-22  Richard Henderson  <rth@redhat.com>
2070
2071         PR 17075
2072         * cfgexpand.c (expand_gimple_tailcall): Detect when we can both
2073         create new blocks and fall through.
2074         (expand_gimple_basic_block): Update to match.
2075
2076 2004-08-22  Ulrich Weigand  <uweigand@de.ibm.com>
2077
2078         * reload.c (find_reloads_address): Make return value tri-state.
2079         Return -1 if LEGITIMIZE_RELOAD_ADDRESS succeeded.
2080         (find_reloads): Assume that reloaded addresses match 'o' or
2081         EXTRA_MEMORY_CONSTRAINT constraints only if find_reloads_address
2082         returned 1 (not -1).  Omit optional reloads for address operands
2083         only if find_reloads_address returned 1 (not -1).
2084
2085         * config/s390/s390.c (legitimize_reload_address): New function.
2086         * config/s390/s390-protos.h (legitimize_reload_address): Declare.
2087         * config/s390/s390.h (LEGITIMIZE_RELOAD_ADDRESS): Define.  Call
2088         legitimize_reload_address.
2089
2090 2004-08-22  Richard Hendersion  <rth@redhat.com>
2091
2092         * tree.h (SAVE_EXPR_RESOLVED_P): New.
2093         * gimplify.c (gimplify_save_expr): Use it.
2094         * expr.c (expand_expr_real_1): Likewise.  Also set DECL_IGNORED_P
2095         on the temporary variable.
2096
2097 2004-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
2098
2099         * fold-const.c (rtl_expr_nonnegative_p): Delete.
2100         * tree.h (rtl_expr_nonnegative_p): Remove.
2101
2102 2004-08-22  Steven Bosscher  <stevenb@suse.de>
2103
2104         * config/i386/ppro.md (ppro_complex_insn): Add missing check
2105         for cpu==pentiumpro.
2106
2107         * combine.c (struct reg_stat): Fix comment typo.
2108
2109 2004-08-22  Joseph S. Myers  <jsm@polyomino.org.uk>
2110
2111         * c-tree.h (c_sizeof_nowarn): Remove.
2112
2113 2004-08-21  Joseph S. Myers  <jsm@polyomino.org.uk>
2114
2115         * c-decl.c (set_array_declarator_type): Rename to
2116         set_array_declarator_inner.
2117         (build_c_parm, build_attrs_declarator, build_function_declarator):
2118         New functions.
2119         (make_pointer_declarator): Call build_attrs_declarator.
2120         * c-tree.h (set_array_declarator_type): Rename to
2121         set_array_declarator_inner.
2122         (build_c_parm, build_attrs_declarator, build_function_declarator):
2123         New prototypes.
2124         * c-parse.in (after_type_declarator,
2125         parm_declarator_starttypename, parm_declarator_nostarttypename,
2126         notype_declarator, absdcl_maybe_attribute, direct_absdcl1, parm,
2127         firstparm): Use these functions
2128
2129 2004-08-21  Joseph S. Myers  <jsm@polyomino.org.uk>
2130
2131         * c-decl.c (build_array_declarator, set_array_declarator_type,
2132         start_decl, grokdeclarator, grokparms): Change boolean parameters
2133         to type bool.
2134         * c-tree.h (build_array_declarator, set_array_declarator_type,
2135         start_decl): Update prototypes.
2136         * c-decl.c, c-parse.in: All callers changed.
2137
2138 2004-08-21  Mike Stump  <mrs@apple.com>
2139
2140         * config/rs6000/darwin.h (SUBTARGET_OPTIONS): Move from here, to...
2141         (darwin_fix_and_continue): Likewise.
2142         (darwin_fix_and_continue_switch): Likewise.
2143         * config/darwin.h (SUBTARGET_OPTIONS): ...here, to fix -mone-byte-bool.
2144         (darwin_fix_and_continue): Likewise.
2145         (darwin_fix_and_continue_switch): Likewise.
2146
2147 2004-08-21  Danny Smith  <dannysmith@users.sourceforge.net>
2148
2149         PR  c++/16030
2150         * config/i386/winnt/c (gen_stdcall_suffix, gen_fastcall_suffix):
2151         Remove, merging into ...
2152         (gen_stdcall_or_fastcall_suffix): New function, returning tree
2153         rather than const char*, and accepting additional parameter.
2154         Don't add suffix to '*'-prefixed symbols or variadic functions.
2155         (i386_pe_encode_section_info): Adjust for call to new function.
2156         Call change_decl_assembler_name.
2157
2158 2004-08-20  Mike Stump  <mrs@apple.com>
2159
2160         * config/darwin.c (machopic_indirect_data_reference): Mark
2161         stubs as defined.
2162         * config/386/386.c (darwin_local_data_pic): Add.
2163         (legitimate_constant_p): Reorder so that PLUS handling runs
2164         before darwin_local_data_pic to match the ordering in
2165         legitimate_pic_address_disp_p and so that MINUS runs after
2166         darwin_local_data_pic as otherwise the darwin_local_data_pic
2167         logic can be skipped, which would be very bad.
2168         (legitimate_pic_address_disp_p): Move from from here to
2169         darwin_local_data_pic so it can be reused.
2170
2171 2004-08-21  Alan Modra  <amodra@bigpond.net.au>
2172
2173         * config/rs6000/linux64.h (DOT_SYMBOLS): Define.
2174         (CRT_CALL_STATIC_FUNCTION): Define !DOT_SYMBOLS version.
2175         (ASM_DECLARE_FUNCTION_SIZE): Modify for !DOT_SYMBOLS.
2176         (ASM_OUTPUT_SOURCE_LINE, DBX_OUTPUT_BRAC, DBX_OUTPUT_NFUN): Likewise.
2177         (RS6000_ABI_NAME): Define as "linux".
2178         (SUBSUBTARGET_OVERRIDE_OPTIONS): Set dot_symbols.
2179         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Select
2180         ABI_AIX when rs6000_abi_name is "linux" and TARGET_64BIT.
2181         * config/rs6000/rs6000-protos.h (rs6000_output_function_entry): Decl.
2182         * config/rs6000/rs6000.c (dot_symbols): New global var.
2183         (rs6000_output_function_entry): New function, modified for
2184         !DOT_SYMBOLS..
2185         (print_operand <case 'z'>): ..extracted from here.
2186         (rs6000_assemble_visibility): Modify for !DOT_SYMBOLS.
2187         (rs6000_output_function_epilogue): Likewise.
2188         (rs6000_elf_declare_function_name): Likewise.
2189         * config/rs6000/rs6000.h (DOT_SYMBOLS): Define.
2190         (ASM_WEAKEN_DECL, ASM_OUTPUT_DEF_FROM_DECLS): Modify for !DOT_SYMBOLS.
2191         * configure.ac (HAVE_LD_NO_DOT_SYMS): Add new AC_DEFINE.
2192         * configure: Regenerate.
2193         * config.in: Regenerate.
2194
2195 2004-08-20  Mark Mitchell  <mark@codesourcery.com>
2196
2197         * reload.c (find_reloads_address): Fix thinko in previous change.
2198
2199         * reload.c (find_reloads_address): Reload the sum of a LO_SUM and
2200         a CONST_INT.
2201
2202 2004-08-20  Jakub Jelinek  <jakub@redhat.com>
2203
2204         PR rtl-optimization/17099
2205         * combine.c (force_to_mode): Check if inner_mask has any bits set
2206         outside of GET_MODE (x) instead of op_mode.
2207
2208 2004-08-20  Mark Mitchell  <mark@codesourcery.com>
2209
2210         * config.gcc (arm*-*-symbianelf*): Add t-symbian Makefile
2211         fragment.
2212         * config/arm/bpabi.h (RENAME_LIBRARY_SET): Fix typo.
2213         (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=3 to the assembler.
2214         * config/arm/symbian.h (SUBTARGET_CPU_DEFAULT): Assume ARMV5
2215         architecture.
2216         (SUBTARGET_ASM_FLOAT_SPEC): Default to -mfpu=vfp for hard-float
2217         configurations.
2218         * config/arm/t-symbian: New file.
2219
2220 2004-08-20  Andrew Pinski  <apinski@apple.com>
2221
2222         * regrename.c (kill_value_regno): ANSIfy.
2223
2224 2004-08-20  Dale Johannesen  <dalej@apple.com>
2225
2226         * config/rs6000/rs6000.c (rs6000_rtx_costs): Improve DIV/MOD.
2227
2228 2004-08-20  Daniel Jacobowitz  <dan@debian.org>
2229
2230         * regrename.c (kill_value_one_regno): Renamed from kill_value_regno.
2231         (kill_value_regno): New function, derived from kill_value.
2232         (kill_value): Update.
2233         (copyprop_hardreg_forward_1): Update call to kill_value_regno.
2234
2235 2004-08-20  Daniel Berlin  <dberlin@dberlin.org>
2236
2237         Fix PR tree-optimization/17111
2238         * tree-ssa-pre.c (create_value_expr_from): Don't change the types
2239         of non-value_handles.
2240         (bitmap_set_contains): All constants are in every set.
2241
2242 2004-08-20  Nathan Sidwell  <nathan@codesourcery.com>
2243
2244         * fold-const.c (round_up, round_down): Use build_int_cst.
2245         Optimize common case.
2246
2247 2004-08-20  Zack Weinberg  <zack@codesourcery.com>
2248             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2249
2250         * config/pa/pa-protos.h (readonly_data, one_only_readonly_data_section,
2251         one_only_data_section): Rename to som_readonly_data_section,
2252         som_one_only_readonly_data_section and som_one_only_data_section.
2253         * config/pa/pa.c (ONE_ONLY_TEXT_SECTION_ASM_OP,
2254         NEW_TEXT_SECTION_ASM_OP, DEFAULT_TEXT_SECTION_ASM_OP): Delete
2255         conditional defines.
2256         (som_text_section_asm_op): Replace ONE_ONLY_TEXT_SECTION_ASM_OP,
2257         NEW_TEXT_SECTION_ASM_OP and DEFAULT_TEXT_SECTION_ASM_OP with actual
2258         string values.
2259         (pa_select_section): Use renamed section functions.
2260         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
2261         SOM_READONLY_DATA_SECTION_FUNCTION,
2262         SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
2263         SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION):
2264         Define here ...
2265         * config/pa/som.h: ... not here.
2266         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
2267         ONE_ONLY_TEXT_SECTION_ASM_OP, READONLY_DATA_ASM_OP,
2268         ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
2269         ONE_ONLY_DATA_SECTION_ASM_OP): Delete.
2270         (READONLY_DATA_SECTION): Use som_readonly_data_section.
2271
2272 2004-08-20  Nathan Sidwell  <nathan@codesourcery.com>
2273
2274         * fold-const.c (int_const_binop): Don't generate non-overflowing
2275         size-types specially.
2276         (fold_convert_const): Likewise.
2277
2278         * stor-layout.c (initialize_sizetypes): Set SIZETYPE earlier,
2279         clear cache on copied sizetype.
2280
2281 2004-08-20  Ben Elliston  <bje@au.ibm.com>
2282
2283         * configure.ac: Don't escape apostrophe in --enable-coverage help.
2284         * configure: Regenerate.
2285
2286 2004-08-20  Danny Smith  <dannysmith@users.sourceforge.net>
2287
2288         PR 5620
2289         * gcc.c (struct stat input_stat): Don't define if
2290         HOST_LACKS_INODE_NUMBERS
2291         (do_spec_1): If HOST_LACKS_INODE_NUMBERS, use lrealpath rather
2292         than stat to determine if temp file is same as input file.
2293         * doc/hostconfig.texi: Document HOST_LACKS_INODE_NUMBERS.
2294         * config/i386/xm-mingw32.h: Define HOST_LACKS_INODE_NUMBERS
2295
2296 2004-08-20  Richard Sandiford  <rsandifo@redhat.com>
2297
2298         * configure.ac (mips*-*-*): Print an error if not using GAS.
2299         * configure: Regenerated.
2300         * doc/install.texi: Remove irix5 bullet from --with-gnu-as.  Remove
2301         comments about buggy MIPSpro assemblers.
2302         * config.gcc (mips-sgi-irix[56]*): Combine stanzas.  Include elfos.h
2303         before mips.h and iris.h after it.  Use t-iris and t-slibgcc-irix.
2304         Use iris5.h only for IRIX 5 configs.  Use iris6.h and t-iris6 for
2305         IRIX 6 configs.  Define IRIX_USING_GNU_LD if using GNU ld.
2306         * config/mips/iris5.h (TARGET_IRIX, SWITCHES_NEED_SPACES)
2307         (DEFAULT_SIGNED_CHAR, WORD_SWITCH_TAKES_ARG, SUBTARGET_CC1_SPEC)
2308         (NO_IMPLICIT_EXTERN_C, MIPS_DEFAULT_GVALUE)
2309         (TARGET_ASM_EXTERNAL_LIBCALL): Move to iris.h.
2310         (WCHAR_TYPE, WCHAR_TYPE_SIZE, TARGET_OS_CPP_BUILTINS): Delete in favor
2311         of more general IRIX 6 definitions.
2312         (OBJECT_FORMAT_ELF, ASM_OUTPUT_ASCII, ASM_WEAKEN_LABEL)
2313         (HANDLE_SYSV_PRAGMA): Delete in favor of elfos.h definitions.
2314         (TARGET_IRIX5, ABICALLS_ASM_OP, BSS_SECTION_ASM_OP, HAS_INIT_SECTION)
2315         (LD_INIT_SWITCH, LD_FINI_SWITCH, SUBTARGET_ASM_OPTIMIZING_SPEC)
2316         (ASM_FINAL_SPEC, DBX_DEBUGGING_INFO, MIPS_DEBUGGING_INFO)
2317         (PREFERRED_DEBUGGING_TYPE, DWARF2_UNWIND_INFO, SET_FILE_NUMBER)
2318         (LABEL_AFTER_LOC, DOLLARS_IN_IDENTIFIERS, NO_DOLLAR_IN_LABEL)
2319         (TARGET_ASM_NAMED_SECTION, EXTRA_SECTION_FUNCTIONS)
2320         (ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_WEAK_ALIAS)
2321         (SUBTARGET_EXTRA_SPECS): Delete definitions or undefs.
2322         (LINK_SPEC): Move most of definition to iris.h.
2323         (SUBTARGET_LINK_SPEC): New macro.
2324         (IRIX_STARTFILE_SPEC): Fold into...
2325         (STARTFILE_SPEC): ...here.
2326         (IRIX_ENDFILE_SPEC): Fold into...
2327         (ENDFILE_SPEC): ...here.
2328         * config/mips/iris6.h (TARGET_IRIX5): Remove override.
2329         (WCHAR_TYPE, WCHAR_TYPE_SIZE, WINT_TYPE, WINT_TYPE_SIZE)
2330         (DWARF_OFFSET_SIZE, DWARF_INITIAL_LENGTH_SIZE, SET_ASM_OP)
2331         (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES, ASM_DECLARE_OBJECT_NAME)
2332         (ASM_FINISH_DECLARE_OBJECT, LOCAL_LABEL_PREFIX): Move to iris.h.
2333         (TARGET_OS_CPP_BUILTINS): Likewise.  Guard IRIX6-specific bits.
2334         (DWARF2_UNWIND_INFO, DWARF2_GENERATE_TEXT_SECTION_LABEL)
2335         (SUBTARGET_CPP_SPEC, DWARF2_DEBUGGING_INFO, MIPS_DEBUGGING_INFO)
2336         (PREFERRED_DEBUGGING_TYPE, DWARF2_FRAME_INFO, MD_EXEC_PREFIX)
2337         (ASM_DECLARE_FUNCTION_NAME, ASM_DECLARE_FUNCTION_SIZE)
2338         (FUNCTION_NAME_ALREADY_DECLARED, SUPPORTS_INIT_PRIORITY)
2339         (POPSECTION_ASM_OP, SUBTARGET_ASM_SPEC, SUBTARGET_MIPS_AS_ASM_SPEC)
2340         (SUBTARGET_ASM_DEBUGGING_SPEC, SUBTARGET_ASM_OPTIMIZING_SPEC)
2341         (BSS_SECTION_ASM_OP*, READONLY_DATA_SECTION_ASM_OP*)
2342         (EH_FRAME_SECTION_NAME, MUST_USE_SJLJ_EXCEPTIONS, CTORS_SECTION_ASM_OP)
2343         (DTORS_SECTION_ASM_OP, TARGET_ASM_NAMED_SECTION, EH_FRAME_SECTION_NAME)
2344         (ASM_OUTPUT_ALIGN, ASM_OUTPUT_FILENAME, ASM_OUTPUT_ALIGNED_LOCAL)
2345         (ASM_OUTPUT_ALIGNED_BSS): Remove definitions or undefs.
2346         (TARGET_IRIX6): Define to 1.
2347         (DRIVER_SELF_SPECS): Define.
2348         (DWARF2_FRAME_INFO): Define to 1 rather than !TARGET_SGI_O32_AS.
2349         (SUBTARGET_CC1_SPEC): Remove in favor of DRIVER_SELF_SPECS.
2350         (SUBTARGET_LINK_SPEC): New macro.
2351         (IRIX_STARTFILE_SPEC): Fold into...
2352         (STARTFILE_SPEC): ...here.  Remove !mabi=* case.
2353         (SUBTARGET_{,DONT_}WARN_UNUSED_SPEC): New macros.
2354         (LIB_SPEC, LIBGCC_SPEC): Use them.
2355         (LIB_SPEC): Remove !mabi=* case.
2356         (IRIX_ENDFILE_SPEC): Fold into...
2357         (ENDFILE_SPEC): ...here.  Remove !mabi=* case.
2358         * config/mips/mips-protos.h (irix_output_external_libcall): Delete.
2359         * config/mips/mips.h (TARGET_IRIX5, TARGET_SGI_O32_AS): Delete.
2360         (TARGET_IRIX6): New macro.
2361         (ASM_ABI_DEFAULT_SPEC): Remove !ELF definition.
2362         (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX, SET_FILE_NUMBER)
2363         (LABEL_AFTER_LOC): Delete.
2364         * config/mips/mips.c (TARGET_ASM_FILE_START, TARGET_ASM_FILE_END)
2365         (TARGET_SECTION_TYPE_FLAGS): Remove TARGET_IRIX versions.
2366         (mips_build_builtin_va_list): Check TARGET_IRIX6.
2367         (override_options): Remove TARGET_SGI_O32_AS-related code.
2368         (irix_output_external_libcall): Make static.
2369         (mips_output_filename): Avoid use of SET_FILE_NUMBER and
2370         LABEL_AFTER_LOC.
2371         (mips_file_start): Tidy guard for ABI sections.  Remove use of
2372         ABICALLS_ASM_OP; use .abicalls instead.
2373         (mips_output_aligned_decl_common, mips_declare_object_name)
2374         (mips_finish_declare_object): Remove use of TARGET_SGI_O32_AS.
2375         (mips_output_function_prologue): Set TREE_ASM_WRITTEN if emitting
2376         .globl foo .text directives.
2377         (irix_asm_named_section_1, irix_asm_named_section)
2378         (irix_section_align_entry, irix_section_align_htab)
2379         (irix_orig_asm_out_file, irix_section_align_entry_eq)
2380         (irix_section_align_entry_hash, irix_asm_output_align)
2381         (irix_file_start, irix_section_align_1, copy_file_data)
2382         (irix_file_end, irix_section_type_flags): Delete.
2383         * config/mips/irix-crti.asm (__gcc_init): Move to .gcc_init section.
2384         Use standard section syntax.  Remove protective "jr $31".
2385         (__gcc_fini): Likewise .gcc_fini.
2386         * config/mips/irix-crtn.asm: Adjust sections accordingly.
2387         * config/mips/sdb.h (PUT_SDB_SIZE, PUT_SDB_TYPE): Moved from
2388         iris5gas.h.
2389         * config/mips/t-iris (irix-crti.o, irix-crtn.o): New rules, moved
2390         from t-irix-gld.
2391         (EXTRA_MULTILIB_PARTS): Define.
2392         * config/mips/t-iris6: Remove bogus comment.
2393         (EXTRA_MULTILIB_PARTS, CRTSTUFF_T_CFLAGS): Delete.
2394         * config/mips/iris5gas.h, config/mips/iris5gld.h,
2395         config/mips/iris6gas.h, config/mips/iris6gld.h,
2396         config/mips/t-iris5-as, config/mips/t-iris5-gas
2397         config/mips/t-irix-gld: Delete.
2398         * config/mips/iris.h: New file.
2399         * config/mips/t-slibgcc-irix: Renamed from t-iris5-6.
2400
2401 2004-08-20  Richard Earnshaw  <rearnsha@arm.com>
2402
2403         * postreload.c (reload_cse_move2add): Allow any condjump, but check
2404         that the implicit set isn't clobbered in the jump insn.
2405
2406 2004-08-19  Mark Mitchell  <mark@codesourcery.com>
2407
2408         * defaults.h (TARGET_LIBGCC_LIBFUNCS): Remove.
2409         * optabs.c (init_optabs): Don't check it.
2410         * config/arm/bpabi.h (TARGET_LIBGCC_LIBFUNCS): Do not define.
2411         * doc/tm.texi (TARGET_LIBGCC_FUNCS): Remove.
2412
2413 2004-08-18  Andreas Krebbel  <krebbel1@de.ibm.com>
2414
2415         * config/s390/s390.md (s390_warn_framesize_string)
2416         (s390_warn_dynamic_string, s390_stack_size_string)
2417         (s390_stack_guard_string): New global string variables.
2418         (s390_warn_framesize, s390_warn_dynamicstack_p, s390_stack_size)
2419         (s390_stack_guard): New global variables.
2420         (override_options): Added checks for the new options.
2421         (s390_emit_prologue): Emit stack check and trap code and perform
2422         compile time stack size checking.
2423
2424         * config/s390/s390.h (TARGET_OPTIONS): Added new options
2425         "warn-framesize", "warn-dynamicstack", "stack-size" and
2426         "stack-guard".
2427
2428         * doc/invoke.texi: Added documentation for the new options.
2429
2430 2004-08-19  Ulrich Weigand  <uweigand@de.ibm.com>
2431
2432         * unwind-dw2-fde.c (get_cie_encoding): Cast argument to strlen
2433         to eliminate warning.
2434         (linear_search_fdes): Declare p as unsigned.
2435         (binary_search_mixed_encoding_fdes): Likewise.
2436         * unwind-dw2.c (get_cie_encoding): Cast argument to strlen
2437         to eliminate warning.
2438         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): Add missing
2439         type cast.
2440
2441 2004-08-19  Ulrich Weigand  <uweigand@de.ibm.com>
2442
2443         * config/s390/s390-protos.h (preferred_la_operand_p): Adapt prototype.
2444         * config/s390/s390.c (preferred_la_operand_p): Accept two operands
2445         instead of one.  Check for strictly legitimate address.
2446         * config/s390/s390.md ("*la_31"/"*la_64" peepholes): Adapt call
2447         to preferred_la_operand_p, do not call gen_rtx_PLUS in predicate.
2448
2449 2004-08-19  Eric Christopher  <echristo@redhat.com>
2450
2451         * langhooks-def.h (LANG_HOOKS_UNSAVE_EXPR_NOW): Remove.
2452         * langhooks.h (unsave_expr_now): Ditto.
2453         * tree.h (unsave_expr_1): Remove prototype.
2454         (lhd_unsave_expr_now): Rename to unsave_expr_now.
2455         * tree-inline.c (unsave_expr_1): Move here
2456         from tree.c. Make static.
2457         (unsave_expr_now): Rename from lhd_unsave_expr_now.
2458         * tree-sra.c: Fix up for rename.
2459         * tree-ssa-copy.c: Ditto.
2460         * tree-eh.c: Ditto.
2461         * tree.c (unsave_expr_1): Move to tree-inline.c.
2462
2463 2004-08-19  Caroline Tice  <ctice@apple.com>
2464
2465         * config/i386/cygming.h (switch_to_section):  Fix typo (change
2466         in_unlikely_text_section to in_unlikely_executed_text).
2467
2468 2004-08-19  Daniel Berlin  <dberlin@dberlin.org>
2469
2470         * vec.h (VEC_lower_bound): New macro.
2471
2472 2004-08-19  Richard Sandiford  <rsandifo@redhat.com>
2473
2474         PR target/16446
2475         * config/mips/mips.c (struct mips_arg_info): Delete num_bytes.
2476         (mips_arg_info): Update accordingly.  Remove common treatment of fpr_p;
2477         treat each ABI separately.  Deal with n32/n64 complex float arguments.
2478         (function_arg): Add associated complex handling here.
2479
2480 2004-08-19  Richard Henderson  <rth@redhat.com>
2481
2482         * config/arm/arm.c (arm_gen_load_multiple): Use
2483         adjust_automodify_address.  Take base memory and offset instead
2484         of unchanging/struct/scalar bits.
2485         (arm_gen_store_multiple): Likewise.
2486         (arm_gen_movmemqi): Use adjust_automodify_address.
2487         * config/arm/arm-protos.h: Update decls.
2488         * config/arm/arm.md (load_multiple): Update arm_gen_load_multiple call.
2489         (store_multiple): Similarly.
2490
2491 2004-08-19  J"orn Rennecke <joern.rennecke@superh.com>
2492
2493         * regclass.c (globalize_reg): Update call_really_used_regs.
2494
2495 2004-08-19  Nathan Sidwell  <nathan@codesourcery.com>
2496
2497         * doc/invoke.texi (integer-share-limit): Document.
2498
2499         * tree.h (TYPE_CACHED_VALUES_P): New.
2500         (TYPE_CACHED_VALUES): New.
2501         (TYPE_ORIG_SIZE_TYPE): Adjust.
2502         * tree.def (INTEGER_CST): Update documentation.
2503         * tree.c: Inlcude params.h.
2504         (build_int_cst): Cache small values.
2505         (build_type_copy): Do not copy the value cache.
2506         * c-common.c (c_common_nodes_and_builtins): Add comment, remove
2507         unneeded zeroing.
2508         * c-typeck.c (build_c_cast): Add comment about OVERFLOW setting.
2509         * expmed.c (const_mult_add_overflow_p): Clear type copy's value
2510         cache.
2511         * fold-const.c (force_fit_type): Copy value when setting
2512         overflows.
2513         (int_const_binop): Likewise.
2514         * stor-layout.c: Include params.h
2515         (set_sizetype): Create values cache.
2516         (fixup_unsigned_type): Set UNSIGNED_P before caching any values.
2517         * params.def (PARAM_INTEGER_SHARE_LIMIT): New.
2518         * params.h (INTEGER_SHARE_LIMIT): New.
2519         * Makefile.in (tree.o, stor-layout.o): Depend on PARAMS_H.
2520
2521 2004-08-19  Paolo Bonzini  <bonzini@gnu.org>
2522
2523         * gimplify.c (gimplify_minimax_expr): Remove.
2524         (gimplify_expr) <MIN_EXPR, MAX_EXPR>: Remove special handling.
2525
2526 2004-08-19  Dorit Naishlos  <dorit@il.ibm.com>
2527
2528         * tree-vectorizer.c (vect_can_force_dr_alignment_p): Replace
2529         STACK_BOUDARY with PREFERRED_STACK_BOUNDARY.
2530
2531 2004-08-19  Mark Mitchell  <mark@codesourcery.com>
2532
2533         * bpabi.h (FPUTYPE_DEFAULT): Set it to FPUTYPE_VFP.
2534
2535 2004-08-18  Andrew Pinski  <apinski@apple.com>
2536
2537         * varasm.c (ecode_reg_name): Do nothing if the asmspec is empty.
2538
2539 2004-08-18  Mark Mitchell  <mark@codesourcery.com>
2540
2541         * config/arm/bpabi.c (__aeabi_ul2d): Give it default visibility.
2542         (__aeabi_ul2f): Likewise.
2543
2544 2004-08-18  Richard Henderson  <rth@redhat.com>
2545
2546         * config/xtensa/xtensa.c (xtensa_expand_block_move): Expand block
2547         move to rtl completely.
2548         (struct meminsnbuf, xtensa_emit_block_move): Remove.
2549         (xtensa_find_mode_for_size): Remove.
2550         * config/xtensa/xtensa-protos.h (xtensa_emit_block_move): Remove.
2551         * config/xtensa/xtensa.md (movmemsi_internal): Remove.
2552
2553 2004-08-18  Richard Henderson  <rth@redhat.com>
2554
2555         * config/mcore/mcore.c (mode_from_align): Remove DImode.
2556         (block_move_sequence): Rewrite to use adjust_address.
2557         (mcore_expand_block_move): Cleanup logic.  Accept only operands.
2558         Return boolean indicating success/failure.
2559         * config/mcore/mcore-protos.h (mcore_expand_block_move): Update decl.
2560         * config/mcore/mcore.md (movmemsi): Update to match.
2561
2562 2004-08-18  Mike Stump  <mrs@apple.com>
2563
2564         * doc/invoke.texi (-mfix-and-continue): Add support for
2565         fast turn around debugging.
2566         (-ffix-and-continue): Likewise.
2567         (-mindirect-data): Likewise.
2568         (-findirect-data): Likewise.
2569         * config/darwin.c (TARGET_FIX_AND_CONTINUE): Likewise.
2570         (indirect_data): Likewise.
2571         (machopic_data_defined_p): Likewise.
2572         (machopic_output_indirection): Likewise.
2573         (darwin_encode_section_info): Likewise.
2574         (darwin_fix_and_continue): Likewise.
2575         (darwin_fix_and_continue_switch): Likewise.
2576         * config/darwin.h (MACHO_SYMBOL_STATIC): Likewise.
2577         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Likewise.
2578         (SUBTARGET_OPTION_TRANSLATE_TABLE): Likewise.
2579         (SUBTARGET_OPTIONS): Likewise.
2580         (darwin_fix_and_continue): Likewise.
2581         (darwin_fix_and_continue_switch): Likewise.
2582         (TARGET_FIX_AND_CONTINUE): Likewise.
2583         * config/rs6000.c (rs6000_emit_prologue): Likewise.
2584
2585 2004-08-19  Steven Bosscher  <stevenb@suse.de>
2586
2587         * basic-block.h (struct edge_def): Remove crossing_edge.
2588         (EDGE_CROSSING): New define.
2589         (EDGE_ALL_FLAGS): Update.
2590         * bb-reorder.c (find_traces_1_round, better_edge_p,
2591         find_rarely_executed_basic_blocks_and_cr, fix_up_fall_thru_edges,
2592         find_jump_block, fix_crossing_conditional_branches,
2593         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
2594         Replace all occurences of crossing_edge with an edge flag check
2595         or set/reset.
2596         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
2597         try_crossjump_bb): Likewise.
2598         * cfglayout.c (fixup_reorder_chain): Likewise.
2599         * cfgrtl.c (force_nonfallthru_and_redirect,
2600         commit_one_edge_insertion): Likewise.
2601
2602         * Makefile.in (cfganal.o): Depend on TIMEVAR_H.
2603         * tree-flow.h (compute_dominance_frontiers): Move prototype...
2604         * basic-block.h:  ...here.
2605         * tree-cfg.c (compute_dominance_frontiers_1,
2606         compute_dominance_frontiers): Move from here...
2607         * cfganal.c: ...to here.  Include timevar.h.
2608
2609 2004-08-18  James E Wilson  <wilson@specifixinc.com>
2610
2611         * config/mips/mips.h (ASM_SPEC): In comment, change -meabi= to -mabi=.
2612         * config/mips/sb1.md (ir_sb1_divsf_1pipe): Renamed from ...1pipes.
2613
2614         * config/mips/mips.md (type): Add frdiv.
2615         (divsf3+1, divsf3+2): Change type to frdiv.
2616         * config/mips/sb1.md (ir_sb1_recipsf_2pipes, ir_sb1_recipsf_1pipe,
2617         ir_sb1_recipdf_2pipes, ir_sb1_recipdf_1pipe): New.
2618
2619         * config/mips/3000.md (r3k_fdiv_single, r3k_fdiv_double): Add frdiv.
2620         * config/mips/4300.md (r4300_fdiv_single, r4300_fdiv_double): Likewise.
2621         * config/mips/4600.md (r4600_fdiv_single, f4600_fdiv_double): Likewise.
2622         * config/mips/5000.md (r5k_fdiv_single): Likewise.
2623         * config/mips/5400.md (ir_vr54_fdiv_sf, ir_vr54_fdiv_df): Likewise.
2624         * config/mips/5500.md (ir_vr55_fdiv_sf, ir_vr55_fdiv_df): Likewise.
2625         * config/mips/6000.md (r6k_fdiv_single, r6k_fdiv_double): Likewise.
2626         * config/mips/7000.md (rm7_fp_divsqrt_df, rm7_fp_divsqrt_sf): Likewise.
2627         * config/mips/9000.md (rm8k_fdivs, rm9k_fdivd): Likewise.
2628         * config/mips/generic.md (generic_fdiv_single, generic_fdiv_double):
2629         Likewise.
2630         * config/mips/sr71k.md (ir_sr70_fdiv_sf, ir_sr70_fdiv_df): Likewise.
2631
2632 2004-08-18  Robert Bowdidge <bowdidge@apple.com>
2633
2634         * config/rs6000/x-darwin: Remove XCFLAGS -mdynamic-no-pic to
2635         get regression tester working again.
2636
2637 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
2638
2639         * insn-notes.def, reg-notes.def: New files.
2640         * rtl.h: Use them to define enum insn_note and enum reg_note.
2641         * rtl.c: Use them to define note_insn_name and reg_note_name.
2642         * Makefile.in (RTL_BASE_H): Update.
2643
2644         * modulo-sched.c, sched-rgn.c, final.c: NOTE_DISABLE_SCHED_OF_BLOCK
2645         renamed to NOTE_INSN_DISABLE_SCHED_OF_BLOCK.
2646
2647 2004-08-18  Richard Earnshaw  <rearnsha@arm.com>
2648
2649         * arm.c (arm_size_rtx_costs): New function.
2650         (arm_override_options): Use it if optimizing for space.
2651
2652 2004-08-18  Richard Henderson  <rth@redhat.com>
2653
2654         * emit-rtl.c (gen_const_mem): New.
2655         * rtl.h (gen_const_mem): Declare.
2656         * expr.c (do_tablejump): Use it.
2657         * varasm.c (force_const_mem): Likewise.
2658         * config/darwin.c (machopic_indirect_data_reference): Likewise.
2659         (machopic_legitimize_pic_address): Likewise.
2660         * config/arm/arm.c (legitimize_pic_address): Likewise.
2661         * config/i386/i386.c (legitimize_pic_address): Likewise.
2662         (legitimize_tls_address): Likewise.
2663         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
2664         * config/ia64/ia64.md (load_fptr): Likewise.
2665         * config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
2666         * config/pa/pa.c (legitimize_pic_address): Likewise.
2667         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
2668         (rs6000_emit_move): Likewise.
2669         * config/s390/s390.c (legitimize_pic_address): Likewise.
2670         (legitimize_tls_address): Likewise.
2671         * config/s390/s390.md (casesi): Likewise.
2672         * config/sh/sh.c (sh_reorg): Likewise.
2673         * config/sparc/sparc.c (legitimize_pic_address): Likewise.
2674         * config/v850/v850.md (casesi): Likewise.
2675
2676         * config/darwin.c (machopic_indirect_call_target): Set MEM_NOTRAP_P.
2677         * config/sh/sh.c (prepare_move_operands): Remove incorrect
2678         use of MEM_READONLY_P.
2679
2680 2004-08-18  Steven Bosscher  <stevenb@suse.de>
2681
2682         * Makefile.in (OBJS-common): Add postreload-gcse.c.
2683         Add new postreload-gcse.o.
2684         * cse.c (SAFE_HASH): Define as wrapper around safe_hash.
2685         (lookup_as_function, insert, rehash_using_reg, use_related_value,
2686         equiv_constant): Use SAFE_HASH instead of safe_hash.
2687         (exp_equiv_p): Export.  Add for_gcse argument when comparing
2688         for GCSE.
2689         (lookup, lookup_for_remove, merge_equiv_classes, find_best_addr,
2690         find_comparison_args, fold_rtx, cse_insn): Update callers.
2691         (hash_rtx): New function derived from old canon_hash and bits
2692         from gcse.c hash_expr_1.
2693         (canon_hash_string): Rename to hash_rtx_string.
2694         (canon_hash, safe_hash): Make static inline.  Call hash_rtx.
2695         * cselib.c (hash_rtx): Rename to cselib_hash_rtx.
2696         (cselib_lookup): Update this caller.
2697         * gcse.c (modify_mem_list_set, canon_modify_mem_list_set):
2698         Make static.
2699         (hash_expr): Call hash_rtx.
2700         (ldst_entry): Likewise.
2701         (expr_equiv_p): Call exp_equiv_p.
2702         (struct unoccr, hash_expr_1, hash_string_1, lookup_expr,
2703         reg_used_on_edge, reg_set_between_after_reload_p,
2704         reg_used_between_after_reload_p, get_avail_load_store_reg,
2705         is_jump_table_basic_block, bb_has_well_behaved_predecessors,
2706         get_bb_avail_insn, hash_scan_set_after_reload,
2707         compute_hash_table_after_reload,
2708         eliminate_partially_redundant_loads, gcse_after_reload,
2709         get_bb_avail_insn, gcse_after_reload_main): Remove.
2710         * postreload-gcse.c: New file, reincarnating most of the above.
2711         * rtl.h (exp_equiv_p, hash_rtx): New prototypes.
2712         (gcse_after_reload_main): Update prototype.
2713         * timevar.def (TV_GCSE_AFTER_RELOAD): New timevar.
2714         * passes.c (rest_of_handle_gcse2): Use it.
2715
2716 2004-08-18  Diego Novillo  <dnovillo@redhat.com>
2717
2718         * tree-ssa-loop.c (pass_loop_init): Add TODO_dump_func.
2719         (pass_loop_done): Likewise.
2720
2721 2004-08-18  Andrew Pinski  <apinski@apple.com>
2722
2723         * config/rs6000/darwin.md: Delete the altivec patterns which are
2724         handled differently now.
2725         (load_macho_picbase_di): Make sure that is only happens for TARGET_64BIT
2726         (macho_correct_pic_di): Likewise.
2727         (call_indirect_nonlocal_darwin64): Likewise.
2728         Delete the save world/saveFP/saveVec patterns.
2729
2730         Revert the reversion of: 2004-08-16  Stan Shebs  <shebs@apple.com>
2731         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
2732         * config/rs6000/rs6000.md: Include darwin.md.
2733         (builtin_setjmp_receiver): Add DImode case.
2734         * config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
2735         Darwin bits.
2736
2737 2004-08-18  Matt Austern  <austern@apple.com>
2738
2739         Dead code stripping
2740         * darwin.h (EH_FRAME_SECTION_ATTR): Mark so it doesn't get stripped.
2741         * darwin.c (darwin_file_end): Mark file as potentially strippable.
2742
2743 2004-08-18  Richard Henderson  <rth@redhat.com>
2744
2745         * alias.c (readonly_fields_p): Remove.
2746         (objects_must_conflict_p): Don't call it.
2747         * tree.h (readonly_fields_p): Remove.
2748         * langhooks.h (struct lang_hooks): Remove honor_readonly.
2749         * langhooks-def.h (LANG_HOOKS_HONOR_READONLY): Remove.
2750
2751 2004-08-18  Diego Novillo  <dnovillo@redhat.com>
2752
2753         * tree-dfa.c (add_referenced_var): Only global variables are
2754         call-clobbered.
2755         * tree-flow.h (struct ptr_info_def): Add field pt_global_mem.
2756         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Mark
2757         all pointers dereferenced if the statement dereferences them.
2758         (create_name_tags): Do not create memory tags for pointers
2759         that have PT_ANYTHING set.
2760         Also check if PT_VARS is not empty before creating a name tag.
2761         (compute_flow_sensitive_aliasing): Don't mark call-clobbered
2762         variables that share the same alias set with a pointer that
2763         may point anywhere.
2764         (add_may_alias): Add FIXME comment to remove clobbering
2765         aliased variables and tags.
2766         (replace_may_alias): Likewise.
2767         (set_pt_anything): Do not clear PT_VARS nor IS_DEREFERENCED.
2768         (merge_pointed_to_info): If the original variable has not
2769         points-to information, call set_pt_anything.
2770         (add_pointed_to_var): Do not prevent adding a pointed-to
2771         variable if the pointers is PT_ANYTHING.
2772         If the variable is a global, set PT_GLOBAL_MEM.
2773         (collect_points_to_info_r): Don't assume that PLUS_EXPRs of
2774         pointer type only come in PTR+OFFSET flavours.
2775         Always call merge_pointed_to_info on PHI arguments that are
2776         SSA_NAMEs.
2777         (get_nmt_for): Mark call-clobbered tags whose pointer points
2778         to global memory.
2779         * tree-ssa-operands.c (opf_kill_def, opf_no_vops): Switch
2780         values.
2781         (get_indirect_ref_operands): Always clear OPF_KILL_DEF from
2782         FLAGS.
2783         (add_stmt_operand): Abort if the caller tried to add a killing
2784         definition for a memory tag.
2785         * tree-ssa.c (verify_flow_sensitive_alias_info): Remove
2786         unnecessary checks.
2787
2788 2004-08-18  J"orn Rennecke <joern.rennecke@superh.com>
2789
2790         * sh.h (CONDITIONAL_REGISTER_USAGE): Don't exclude fixed registers
2791         from call_used_regs.  Update call_really_used_regs.
2792         (CALL_REALLY_USED_REGISTERS): Define.
2793         * sh.c (output_stack_adjust, shmedia_target_regs_stack_space):
2794         Replace call_used_regs with call_really_used_regs.
2795         (calc_live_regs, sh_media_register_for_return): Likewise.
2796         (sh5_schedule_saves, sh_expand_prologue, reg_unused_after): Likewise.
2797         * sh.md (return_media): Likewise.
2798
2799 2004-08-18  Andrew Pinski  <apinski@apple.com>
2800
2801         * config/darwin.c (machopic_legitimize_pic_address): Only set
2802         MEM_READONLY_P in the non TARGET_TOC case.
2803
2804 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
2805
2806         * rtl.def (NIL): Delete.
2807         * read-rtl.c (read_rtx): Handle (nil) like (define_constants).
2808         Tighten the syntax a little.
2809
2810         * cfgloop.h, combine.c, cse.c, loop-iv.c, postreload.c, reload.c
2811         * config/alpha/alpha.c, config/alpha/alpha.h, config/arc/arc.h
2812         * config/arm/arm.h, config/frv/frv.h, config/i386/i386.c
2813         * config/i386/predicates.md, config/m32r/m32r.h
2814         * config/m68hc11/m68hc11.c, config/mcore/mcore.h, config/mips/mips.c
2815         * config/mmix/mmix.c, config/pa/pa.h, config/sh/sh.h
2816         * config/sparc/sparc.h, doc/tm.texi:
2817         Replace all occurrences of NIL with UNKNOWN.
2818
2819 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
2820
2821         * dojump.c (do_jump <unordered_bcc>): Do not recursively call
2822         self with a TRUTH_ORIF_EXPR; generate the appropriate jump
2823         sequence inline.  Move drop_through_label code into this
2824         block, being the only place it is used.  Adjust comments.
2825
2826 2004-08-18  Fariborz Jahanian <fjahanian@apple.com>
2827
2828         * config/rs6000/altivec.md: Add new patterns for calls to
2829         save_world/rest_world functions.
2830
2831         * config/rs6000/rs6000-protos.h: (save_world_operation,
2832         restore_world_operation) new declarations.
2833
2834         * config/rs6000/rs6000.c: (struct rs6000_stack) new world_save_p
2835         field added.
2836         (rs6000_stack_info): Set world_save_p field.
2837         (save_world_operation): New function.
2838         (restore_world_operation): New function.
2839         (compute_save_world_info): New function.
2840         (rs6000_stack_info): Call compute_save_world_info.
2841         (rs6000_emit_prologue): Check for world_save_p and generate
2842         pattern to call save_world for saving all non-volatile and
2843         special registers.
2844         (rs6000_emit_epilogue): Check for world_save_p and generate
2845         pattern to call rest_world to restore saved registers.
2846
2847         config/rs6000/rs6000.h: macros FIRST_SAVED_ALTIVEC_REGNO,
2848         FIRST_SAVED_FP_REGNO, FIRST_SAVED_GP_REGNO defined.
2849         (rs6000_reg_names): New entries added for save_world_operation and
2850         restore_world_operation.
2851
2852 2004-08-18  Caroline Tice  <ctice@apple.com>
2853
2854         * Makefile.in (STAGEFEEDBACK_FLAGS_TO_PASS) Add
2855         "-freorder-blocks-and-partition" to the flags used in second
2856         stage of profiledbootstrap.
2857         * bb-reorder.c (push_to_next_round_p): Add new variable,
2858         next_round_is_last; set and use variable to make sure, when
2859         partitioning, that the last trace construction round consists
2860         of all (and only) cold basic blocks.
2861         (rotate_loop): Don't copy blocks that end in a section
2862         crossing jump.
2863         (copy_bb): Correctly initialize "partition" of duplicated bb.
2864         (add_unlikely_executed_notes): Add a comment.
2865         (find_rarely_executed_basic_blocks_and_crossing_edges): Modify
2866         to make sure, if function contains hot blocks, that the
2867         successors of ENTRY_BLOCK_PTR are hot; also, only look for
2868         crossing edges if the architecture supports named sections.
2869         (mark_bb_for_unlikely_executed_section): Modify to always
2870         insert the NOTE_INSN_UNLIKELY_EXECUTED_CODE immediately after
2871         the basic block note insn.
2872         (fix_crossing_unconditional_branches): Remove extra space.
2873         (fix_edges_for_rarely_executed_code): Modify to only do
2874         partitioning work if the architecture supports named sections.
2875         (reorder_basic_blocks): Modify to only add
2876         NOTE_INSN_UNLIKELY_EXECUTED_CODE notes if the architecture
2877         supports named sections.
2878         * c-common.c (handle_section_attribute): Initialize new global
2879         variable, user_defined_section_attribute, to true if user has
2880         specified one.
2881         * cfgcleanup.c (try_forward_edges): Modify to not attempt to
2882         forward edges that cross section boundaries.
2883         * cfglayout.c (fixup_reorder_chain): Modify to only fix up
2884         partitioning information if the architecture supports named
2885         sections.
2886         * cfgrtl.c (target.h): Add statement to include this.
2887         (rtl_split_block): Make sure newly created bb gets correct
2888         partition.
2889         (try_redirect_by_replacing_jump): Make sure redirection isn't
2890         attempting to cross section boundaries.
2891         (force_nonfallthru_and_redirect): Only do partition fix up if
2892         architecture supports named sections.
2893         (rtl_split_edge): Make sure newly created bb ends up in
2894         correct partition.
2895         (commit_one_edge_insertion): Remove code that incorrectly
2896         updated basic block partition; Make sure partition fix up only
2897         happens if architecture supports named sections and it's not
2898         already done.
2899         (rtl_verify_flow_info_1): Fix if-condition on test/error
2900         condition that fallthru edges are not allowed to cross section
2901         boundaries.
2902         * defaults.h (NORMAL_TEXT_SECTION_NAME): Remove this.
2903         * final.c (final_scan_insn): Remove redundant test from if-statement;
2904         change calls to text_section into calls to function_section; add code
2905         to only to partitioning fix up if architecture supports named
2906         sections.
2907         * ifcvt.c (find_if_case_1): Make sure newly created bb has correct
2908         partition.
2909         (if_convert): Add targetm.have_named_sections to test.
2910         * output.h (unlikely_section_label): Extern declaration for new global
2911         variable.
2912         (unlikely_text_section_name): Likewise.
2913         * opts.c (decode_options): If both partitioning and DWARF debugging
2914         are turned on, issue a warning that this doesn't work, and change
2915         partitiong to basic block reordering (without hot/cold partitions).
2916         * passes.c (rest_of_handle_final): Re-set new global variable,
2917         user_defined_section_attribute, to false.
2918         (rest_of_compilation): Change options for calling partitioning
2919         function: Don't call if the user defined the section attribute, and
2920         don't call if DECL_ONE_ONLY is true for the current function.
2921         * predict.c (choose_function_section): Return immediately if we
2922         are doing hot/cold partitioning (i.e. let the basic block partitioning
2923         determine where the function belongs).
2924         * reg-stack.c (emit_swap_insn): Add condition to step over
2925         NOTE_INSN_UNLIKELY_EXECUTED_CODE notes.
2926         * toplev.c (user_defined_section_attribute): New global variable.
2927         * toplev.h (user_defined_section_attribute): Extern declaration
2928         for new global variable.
2929         * varasm.c (unlikely_section_label): New global variable.
2930         (unlikely_text_section_name): New global variable.
2931         (unlikely_text_section): Add code to initialize
2932         unlikely_text_section_name if necessary; modify to use
2933         unlikely_text_section_name and unlikely_section_label; also to use
2934         named_section properly.
2935         (in_unlikely_text_section):  Modify to work correctly with
2936         named_section and to use unlikely_text_section_name.
2937         (named_section):  Add code to work properly with cold section.
2938         (function_section): Clean up if-statement.
2939         * config/darwin.c (darwin_asm_named_section): Return to original
2940         code, removing use of SECTION_FORMAT_STRING.
2941         * config/arm/pe.h (switch_to_section):  Add case for
2942         in_unlikely_executed_text to switch statement.
2943         * config/i386/cygming.h (switch_to_section): Likewise.
2944         * config/i386/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.
2945         (SECTION_FORMAT_STRING): Likewise.
2946         * config/mcore/mcore.h (switch_to_section): Likewise.
2947         * config/rs6000/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.
2948         (SECTION_FORMAT_STRING): Remove.
2949
2950 2004-08-18  Roger Sayle  <roger@eyesopen.com>
2951
2952         * config/i386/i386.h (FIXED_REGISTERS): Update encoding to be
2953         -ffixed-reg safe, by preserving the meanings of zero and one.
2954         (CALL_USED_REGISTERS): Likewise.
2955         (CONDITIONAL_REGISTER_USAGE): Update to process new encodings.
2956
2957 2004-08-18  Kaz Kojima  <kkojima@gcc.gnu.org>
2958
2959         * config/sh/sh.c (split_branches): Check the result of
2960         next_active_insn.
2961         (sh_output_mi_thunk): Call init_flow if basic_block_info is null.
2962         Call rtl_register_cfg_hooks.
2963
2964 2004-08-18  Richard Henderson  <rth@redhat.com>
2965
2966         * rtl.h (MEM_READONLY_P): Replace RTX_UNCHANGING_P.
2967         * alias.c (true_dependence): Update to match new semantics.
2968         (canon_true_dependence, write_dependence_p): Likewise.
2969         (anti_dependence, output_dependence): Update write_dependence_p args.
2970         (unchanging_anti_dependence): Remove.
2971         * calls.c (purge_mem_unchanging_flag): Remove.
2972         (fixup_tail_calls): Don't call it.
2973         (expand_call): Don't add unchanging memory to function usage.
2974         * expr.c (emit_block_move_via_libcall): Likewise.
2975         (clear_storage_via_libcall): Don't clobber RTX_UNCHANGING_P mems.
2976         (get_subtarget): Don't use RTX_UNCHANGING_P.
2977         (expand_assignment, store_constructor, expand_expr_real_1): Likewise.
2978         (do_tablejump): Set MEM_READONLY_P, not RTX_UNCHANGING_P.
2979         * combine.c (get_last_value_validate): Use MEM_READONLY_P.
2980         * cse.c (insert): Don't use RTX_UNCHANGING_P.
2981         (cse_insn, canon_hash): Use MEM_READONLY_P.
2982         * emit-rtl.c (set_mem_attributes_minus_bitpos): Use MEM_READONLY_P
2983         instead of RTX_UNCHANGING_P.
2984         * explow.c (maybe_set_unchanging): Remove.
2985         * expr.h (maybe_set_unchanging): Remove.
2986         * flow.c (insn_dead_p, mark_used_regs): Use anti_dependence.
2987         * function.c (assign_stack_temp_for_type): Don't use RTX_UNCHANGING_P.
2988         (assign_parm_setup_reg, expand_function_start): Likewise.
2989         * integrate.c (copy_rtx_and_substitute): Likewise.
2990         * ra-rewrite.c (emit_colors): Likewise.
2991         * regmove.c (copy_src_to_dest, regmove_optimize): Likewise.
2992         (fixup_match_1): Likewise.
2993         * reload1.c (reload, alter_reg): Likewise.
2994         * local-alloc.c (validate_equiv_mem): Check MEM_READONLY_P,
2995         not RTX_UNCHANGING_P.
2996         (equiv_init_varies_p): Likewise.
2997         * loop-invariant.c (check_maybe_invariant): Likewise.
2998         * resource.c (mark_referenced_resources, mark_set_resources): Likewise.
2999         * loop.c (note_addr_stored): Likewise.
3000         (prescan_loop): Likewise. Don't check function usage for clobbered
3001         unchanging memory.
3002         * rtlanal.c (rtx_unstable_p): Check MEM_READONLY_P,
3003         not RTX_UNCHANGING_P.
3004         (rtx_varies_p, modified_between_p, modified_in_p): Likewise.
3005         * varasm.c (force_const_mem): Likewise.
3006         * stmt.c (expand_decl): Don't set RTX_UNCHANGING_P.
3007         * web.c (entry_register): Likewise.
3008         * tree-gimple.h (get_base_address): Move decl ...
3009         * tree.h: ... here.
3010         * doc/rtl.texi (MEM_READONLY_P): Replace RTX_UNCHANGING_P.
3011
3012         * config/alpha/alpha.c (alpha_set_memflags_1): Rewrite to be
3013         called via for_each_rtx.  Copy MEM_SCALAR_P, MEM_NOTRAP_P too.
3014         (alpha_set_memflags): Update to match.
3015
3016         * config/darwin.c (machopic_indirect_data_reference): Set
3017         MEM_READONLY_P instead of RTX_UNCHANGING_P.
3018         (machopic_indirect_call_target): Likewise.
3019         (machopic_legitimize_pic_address): Likewise.
3020         * config/arm/arm.c (legitimize_pic_address, arm_gen_load_multiple,
3021         arm_gen_store_multiple, arm_gen_movmemqi): Likewise.
3022         * config/arm/arm.md (load_multiple, store_multiple): Likewise.
3023         * config/frv/frv.md (symGOT2reg): Likewise.
3024         * config/i386/i386.c (legitimize_pic_address,
3025         legitimize_tls_address, ix86_split_to_parts): Likewise.
3026         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
3027         * config/ia64/ia64.md (load_fptr): Likewise.
3028         * config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
3029         * config/m68k/m68k.c (legitimize_pic_address): Likewise.
3030         * config/mcore/mcore.c (block_move_sequence): Likewise.
3031         * config/mn10300/mn10300.md (symGOT2reg): Likewise.
3032         * config/pa/pa.c (legitimize_pic_address): Likewise.
3033         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
3034         (rs6000_emit_move): Likewise.
3035         * config/s390/s390.c (legitimize_pic_address): Likewise.
3036         (legitimize_tls_address): Likewise.
3037         * config/s390/s390.md (casesi): Likewise.
3038         * config/sh/sh.c (prepare_move_operands, sh_reorg): Likewise.
3039         * config/sh/sh.md (symGOT2reg): Likewise.
3040         * config/sparc/sparc.c (legitimize_pic_address): Likewise.
3041         * config/v850/v850.md (casesi): Likewise.
3042
3043         * config/ia64/ia64.c (gen_thread_pointer): Don't set RTX_UNCHANGING_P.
3044         * config/iq2000/iq2000.c (save_restore_insns): Likewise.
3045         * config/mips/mips.c (mips_restore_gp): Likewise.
3046         (mips_save_restore_reg, mips16_gp_pseudo_reg): Likewise.
3047         * config/sh/sh.c (sh_reorg): Likewise.
3048
3049 2004-08-18  Richard Henderson  <rth@redhat.com>
3050
3051         * tree.h (struct tree_decl): Add gimple_formal_temp.
3052         (DECL_GIMPLE_FORMAL_TEMP_P): New.
3053         * gimplify.c (pop_gimplify_context): Clear it.
3054         (lookup_tmp_var): Set it, if is_formal.
3055         (gimplify_init_constructor): Use rhs_predicate_for for COMPLEX.
3056         Use is_gimple_val for VECTOR.  Simplify return value.
3057         (gimplify_save_expr): Use and set DECL_GIMPLE_FORMAL_TEMP_P.
3058         (gimplify_expr): Likewise.
3059         * tree-gimple.c (is_gimple_formal_tmp_rhs): Rename from
3060         is_gimple_tmp_rhs for clarity.  Update all callers.
3061         (is_gimple_reg_rhs): Simplify logic.
3062         (is_gimple_formal_tmp_var): Rename from is_gimple_tmp_var for
3063         clarity; use DECL_GIMPLE_FORMAL_TEMP_P.
3064         (is_gimple_formal_tmp_reg): Similarly.
3065         * tree-gimple.h: Update decls.
3066         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Use
3067         DECL_IGNORED_P, not DECL_ARTIFICIAL.  Tidy formatting.
3068         * tree-ssa-live.c (var_union, type_var_init): Likewise.
3069
3070 2004-08-18  Paolo Bonzini  <bonzini@gnu.org>
3071
3072         * c4x.c (legitimize_operands): Remove calls to
3073         preserve_subexpressions_p.
3074
3075 2004-08-18  David Edelsohn  <edelsohn@gnu.org>
3076
3077         * varasm.c (MAX_OFILE_ALIGNMENT): Move ...
3078         * defaults.h (MAX_OFILE_ALIGNMENT): ... here.
3079
3080 2004-08-18  Ziemowit Laski  <zlaski@apple.com>
3081
3082         * gcc.c (default_compilers): Add info about ".mm", ".M" and ".mii"
3083         Objective-C++ extensions.
3084         * gengtype.c (get_file_basename): Match entire subdirectory name
3085         ('cp', 'objc', 'objcp') rather than just its suffix.
3086         (get_base_file_bitmap): Allow for files to belong to more than one
3087         language.
3088         (get_output_file_with_visibility): Treat objc/objc-act.h as a header
3089         used by more than one front-end.
3090
3091 2004-08-18  Richard Earnshaw  <rearnsha@arm.com>
3092
3093         * arm.md (addsi3, subsi3, andsi3, iorsi3, movsi, movhi): Rework to
3094         avoid use of preserve_subexpressions_p.
3095
3096 2004-08-17  Richard Henderson  <rth@redhat.com>
3097
3098         PR 17051
3099         * tree-sra.c (scalarize_use): Mark all v_defs for !is_output too.
3100
3101 2004-08-17  DJ Delorie  <dj@redhat.com>
3102
3103         * doc/extend.texi: Document new xstormy16 attribute.
3104
3105         * config/stormy16/stormy16.c (xstormy16_splittable_below100_operand): New.
3106         (xstormy16_splittable_below100_or_register): New.
3107         (combine_bnp): New.
3108         (xstormy16_reorg): New.
3109         (TARGET_MACHINE_DEPENDENT_REORG): Define.
3110
3111         * config/stormy16/stormy16.md (movqi_internal): Make name public.
3112         (movhi_internal): Likewise.
3113         (cbhranchhi): Likewise.
3114         (cbhranchhi_neg): Likewise.
3115         (andhi3): Only allow splittable below100 operands.
3116         (iorhi3): Likewise.
3117         (peephole2): New and/zero_extend->and peephole.
3118         (peephole2): New load/ior/save->set1 peephole.
3119         (peephole2): New load/and/save->clr1 peephole.
3120         (bclrx, bclrx2, bclr7, bclr15): New.
3121         (bsetx, bsetx2, bset7, bset15): New.
3122
3123         * config/stormy16/stormy16.c (xstormy16_print_operand): Be more
3124         liberal about acceptable 'B' masks.
3125
3126         * config/stormy16/stormy16-protos.h
3127         (xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
3128         xstormy16_below100_operand, xstormy16_below100_or_register,
3129         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
3130         (PREDICATE_CODES): Add new predicates.
3131
3132         * config/stormy16/stormy16.c
3133         (xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
3134         xstormy16_below100_operand, xstormy16_below100_or_register,
3135         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
3136         (xstormy16_expand_iorqi3, xstormy16_expand_andqi3): New.
3137         (xstormy16_legitimate_address_p): Allow below100 symbols.
3138         (xstormy16_extra_constraint_p): Add 'W' for below100 operands.
3139         (xstormy16_expand_move): Leave below100 operands as-is.
3140         (xstormy16_encode_section_info): Encode below100 symbols.
3141         (xstormy16_strip_name_encoding): New.
3142         (xstormy16_print_operand): Print 'b' as shift mask.
3143         (xstormy16_attribute_table): Add below100 attributes.
3144         (xstormy16_handle_below100_attribute): New.
3145
3146         * config/stormy16/stormy16.h (EXTRA_SECTIONS): add in_bss100.
3147         (XSTORMY16_SECTION_FUNCTION): New.
3148         (EXTRA_SECTION_FUNCTIONS): Define using the above.
3149         (ASM_OUTPUT_ALIGNED_DECL_COMMON, ASM_OUTPUT_ALIGNED_DECL_LOCAL): New.
3150         (ASM_OUTPUT_SYMBOL_REF): Handle encoded symbols.
3151         (ASM_OUTPUT_LABELREF): Define.
3152
3153         * config/stormy16/stormy16.md (movqi_internal): Add below100 support.
3154         (movhi_internal): Add below100 support.
3155         (andhi3): Add below100 support.
3156         (iorhi3): Add below100 support.
3157         (iorqi3, iorqi3_internal, andqi3, andqi3_internal): New.
3158
3159 2004-08-17  James E Wilson  <wilson@specifixinc.com>
3160
3161         * config/mips/mips.c (gen_conditional_move): Use GET_MODE (op0) instead
3162         of VOIDmode for comparison code mode.
3163         * config/mips/mips.md: For conditional move patterns, use mode of
3164         first compare operand for comparison mode, instead of VOIDmode.
3165
3166         * config/mips/mips.md: Add canonical nmadd and nmsub patterns for both
3167         normal and -ffast-math code.
3168
3169 2004-08-17  Mark Mitchell  <mark@codesourcery.com>
3170
3171         PR c++/15871
3172         * doc/invoke.texi (-fkeep-inline-functions): Update documentation.
3173
3174 2004-08-17  Robert Bowdidge  <bowdidge@apple.com>
3175
3176         * config/rs6000/x-darwin: Add -mdynamic-no-pic to gcc build flags.
3177
3178 2004-08-17  Andreas Tobler  <a.tobler@schweiz.ch>
3179
3180         * config/rs6000/darwin.md (*call_nonlocal_darwin64): Add #else clause
3181         for non Darwin targets.
3182         (*call_value_nonlocal_darwin64): Likewise.
3183
3184 2004-08-17  Fariborz Jahanian <fjahanian@apple.com>
3185
3186         * config/rs6000/rs6000.c (rs6000_function_value): Check for
3187         altivec mode for altivec return register.
3188
3189 2004-08-17  David Edelsohn  <edelsohn@gnu.org>
3190
3191         Revert 2004-08-16  Stan Shebs  <shebs@apple.com>
3192         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
3193         * config/rs6000/rs6000.md: Include darwin.md.
3194         (builtin_setjmp_receiver): Add DImode case.
3195         * config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
3196         Darwin bits.
3197
3198 2004-08-17  Dorit Naishlos  <dorit@il.ibm.com>
3199
3200         * tree-vectorizer.c: New File: loop vectorization on SSAed GIMPLE
3201         trees.
3202         * tree-vectorizer.h: New File: Same.
3203         * Makefile.in (tree-vectorizer.c, tree-vectorizer.h): Add new files.
3204         * common.opt (ftree-vectorize): New flag to enable vectorization.
3205         * timevar.def (TV_TREE_VECTORIZATION): New dump file for
3206         vectorization pass.
3207         * tree-data-ref.h (init_data_ref): Additional argument.
3208         (array_base_name_differ_p): Moved to tree-data-ref.c.
3209         * tree-data-ref.c (array_base_name_differ_p): Revised.
3210         (initialize_data_dependence_relation): Call array_base_name_differ_p
3211         with an extra argument.
3212         (analyze_all_data_dependences): Same.
3213         (init_data_ref): Additional argument is_read to set DR_IS_READ.
3214         * tree-ssa-phiopt.c (empty_block_p): Expose for usage out of this
3215         file.
3216         * tree-flow.h (vectorize_loops, empty_block_p): Add declaration.
3217         * tree-optimize.c (pass_vectorize): Schedule the vectorization pass.
3218         * tree-pass.h (tree_opt_pass pass_vectorize): Declare the new
3219         vectorization pass.
3220         * tree-ssa-loop.c (tree_ssa_loop_init): Call scev_initialize.
3221         (tree_ssa_loop_done): Call scev_finalize.
3222         (tree_vectorize): Define the new vectorization pass.
3223         * defaults.h (UNITS_PER_SIMD_WORD): Allow targets to specify the
3224         size of the vector they support (until support for multiple vector
3225         sizes is added to the vectorizer).
3226         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Define.
3227         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Define.
3228         * invoke.texi (fdump-tree-vect, ftree-vectorize): Add
3229         documentation.
3230
3231 2004-08-17  Nathan Sidwell  <nathan@codesourcery.com>
3232
3233         * objc/objc-act.c (build_protocol_initializer): Fix build_int_cst
3234         usage.
3235         (generate_protocol_list, handle_impent): Likewise.
3236
3237 2004-08-17  Roger Sayle  <roger@eyesopen.com>
3238
3239         * regclass.c (init_reg_sets_1): Add ENABLE_CHECKING sanity tests to
3240         ensure that call_used_regs is a superset of both fixed_regs and
3241         call_really_used_regs.
3242
3243 2004-08-17  Daniel Bornstein  <danfuzz@milk.com>
3244
3245         PR target/17019
3246         * arm.md (addsi3_cbranch_scratch): Correct case labels.
3247
3248 2004-08-17  Paolo Bonzini  <bonzini@gnu.org>
3249
3250         PR middle-end/17036
3251         * fold-const.c (fold): Check for integer operand when
3252         folding (A >> N) & 1 ? (1 << N) : 0.  Fix from Andrew
3253         Pinski  <pinskia@physics.uc.edu>.
3254
3255 2004-08-17  Paolo Bonzini  <bonzini@gnu.org>
3256
3257         * configure.ac: Trust toplevel's notion of BISON/FLEX/MAKEINFO.
3258         No need to check if in a cross configuration.
3259         * configure: Regenerate.
3260
3261         * calls.c (precompute_register_parameters):
3262         Inline preserve_subexpressions_p ().
3263         * expmed.c (expand_mult_const, emit_store_flag): Likewise.
3264         * optabs.c (expand_binop, expand_twoval_binop, prepare_cmp_insn):
3265         Likewise.
3266         * expr.c (get_subtarget): Likewise.
3267         * rtl.h (preserve_subexpressions_p): Remove.
3268         * stmt.c (preserve_subexpressions_p): Remove.
3269
3270         * dojump.c (do_jump) <COND_EXPR, EQ_EXPR, NE_EXPR,
3271         TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, COMPOUND_EXPR>:
3272         Abort on gimplified cases.
3273
3274 2004-08-16  James E Wilson  <wilson@specifixinc.com>
3275
3276         * tree.h (VECTOR_FLOAT_TYPE_P): New.
3277         (FLOAT_TYPE_P): Use it.
3278         * c-typeck.c (build_binary_op): After convert calls, check for
3279         check for ERROR_MARK operands.
3280
3281 2004-08-16  Zack Weinberg  <zack@codesourcery.com>
3282
3283         * Makefile.in (BUILD_PREFIX, BUILD_PREFIX_1): Delete.
3284         (BUILD_RTL, BUILD_PRINT, BUILD_ERRORS, BUILD_VARRAY): Update.
3285         (genobjs): Add build-rtl.o, build-print-rtl.o, build-varray.o.
3286         (genobjs static pattern rule): Remove %.c dependency.
3287         ($(BUILD_PREFIX_1)rtl.o, print-rtl.o, $(BUILD_PREFIX_1)varray.o):
3288         Rename rules; delete commands; fix dependencies.
3289         (mostlyclean): Do not delete temporary source copies.
3290         * configure.ac: Delete all references to BUILD_PREFIX and
3291         BUILD_PREFIX_1.
3292         * configure: Regenerate.
3293
3294         * print-rtl.c: Include bconfig.h #ifdef GENERATOR_FILE.
3295         Do not include tree.h, real.h, flags.h, hard-reg-set.h, or
3296         basic-block.h #ifdef GENERATOR_FILE.  Surround some more code
3297         with #ifndef GENERATOR_FILE so that nothing from those headers
3298         is used.
3299
3300         * rtl.c, varray.c: Include bconfig.h #ifdef GENERATOR_FILE.
3301
3302 2004-08-16  Adam Nemet  <anemet@lnxw.com>
3303
3304         * Makefile.in (LIBS): Move $(LIBIBERTY) after $(BANSHEELIB).
3305
3306 2004-08-16  Andrew Pinski  <apinski@apple.com>
3307
3308         * target-def.h (TARGET_EH_RETURN_FILTER_MODE): Remove
3309         extraneous semicolon.
3310
3311 2004-08-16  Devang Patel  <dpatel@apple.com>
3312
3313         * c-common.c (handle_used_attribute): Set DECL_PRESERVE_P.
3314         * print-tree.c (print_node): Print DECL_PRESERVE_P.
3315         * target-def.h (TARGET_ASM_MARK_DECL_PRESERVED): New #define.
3316         (TARGET_ASM_OUT): New member, TARGET_ASM_MARK_DECL_PRESERVED
3317         * target.h (struct gcc_target): New member, mark_decl_preserved.
3318         * hooks.c (hook_void_charptr): Rename to ...
3319         (hook_void_constcharptr): ... new name.
3320         * hooks.h (hook_void_charptr): Rename to ..
3321         (hook_void_constcharptr): ... new name.
3322         * tree.h (DECL_PRESERVE_P): New #define.
3323         (struct tree_decl): New member, preserve_flag.
3324         * varasm.c (assemble_start_function): Mark decl preserved.
3325         (assemble_variable): Same.
3326         * darwin.c (darwin_mark_decl_preserved): New function.
3327         * darwin.h (TARGET_ASM_MARK_DECL_preserved): New #define.
3328         * darwin-protos.h (darwin_mark_decl_preserved): New decl.
3329         * doc/tm.texi (TARGET_ASM_MARK_DECL_PRESERVED): Document.
3330
3331 2004-08-16  Joseph S. Myers  <jsm@polyomino.org.uk>
3332
3333         * c-decl.c (grokdeclarator): Allow for function definition where
3334         innermost declarator has attributes.
3335
3336 2004-08-16  Fariborz Jahanian <fjahanian@apple.com>
3337
3338         * except.c (get_exception_filter, build_post_landing_pads,
3339         dw2_build_landing_pads): Use target-specific mode for 'filter'.
3340         * target-def.h (TARGET_EH_RETURN_FILTER_MODE): macro defined and used.
3341         * target.h (eh_return_filter_mode): New field added.
3342         * targhooks.c (default_eh_return_filter_mode): Defined.
3343         * targhooks.h (default_eh_return_filter_mode): Declared.
3344         * config/rs6000/rs6000.c (rs6000_eh_return_filter_mode): Defined.
3345
3346 2004-08-16  Nathanael Nerode  <neroden@gcc.gnu.org>
3347
3348         * configure.ac: Replace _GCC_TOPLEV_NONCANONICAL_TARGET with
3349         ACX_NONCANONICAL_TARGET; remove now-unneeded AC_SUBST.
3350         * configure: Regenerate.
3351
3352 2004-08-16  Stan Shebs  <shebs@apple.com>
3353
3354         Basic support for 64-bit Darwin.
3355         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
3356         (machopic_legitimize_pic_address): Similarly, plus use Pmode
3357         instead of SImode.
3358         * config/rs6000/darwin.h (PTRDIFF_TYPE): Be "long int" if 64-bit.
3359         (TARGET_OS_CPP_BUILTINS): Add 64-bit preprocessor macro.
3360         (SUBTARGET_SWITCHES): Add -m32 and -m64 flags.
3361         (SUBTARGET_OVERRIDE_OPTIONS): Require 64-bit processor if -m64.
3362         (PROCESSOR_DEFAULT64): Define.
3363         * config/rs6000/darwin.md: New file, patterns specific to 64-bit
3364         Darwin.
3365         * config/rs6000/rs6000.md: Include darwin.md.
3366         (builtin_setjmp_receiver): Add DImode case.
3367         * config/rs6000/rs6000.c (TARGET_ASM_UNALIGNED_DI_OP): Define for
3368         Darwin.
3369         (TARGET_ASM_ALIGNED_DI_OP): Ditto.
3370         (rs6000_emit_move): Add DImode case to Darwin bits.
3371         (machopic_output_stub): Use .quad if 64-bit.
3372         * invoke.texi: Document -m32 and -m64.
3373
3374 2004-08-16  Janis Johnson  <janis187@us.ibm.com>
3375
3376         * doc/extend.texi (AltiVec builtins): Document additional differences
3377         from the Motorola AltiVec PIM.
3378
3379 2004-08-16  Nathan Sidwell  <nathan@codesourcery.com>
3380
3381         * c-typeck.c (build_c_cast): Only copy overflow from expr nodes.
3382         * tree.h (IS_NON_TYPE_CODE_CLASS): Simplify.
3383         (struct tree_common): Update public_flag documentation.
3384
3385 2004-08-16  Nathanael Nerode  <neroden@gcc.gnu.org>
3386
3387         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
3388         Check for artificial variables, not is_gimple_tmp_var.
3389         * tree-ssa-live.c (var_union): Likewise.
3390
3391 2004-08-16  Nathan Sidwell  <nathan@codesourcery.com>
3392
3393         * calls.c (load_register_parameters): Remove spurious FIXME token.
3394
3395 2004-08-15  Ziemowit Laski  <zlaski@apple.com>
3396
3397         * Makefile.in (C_PRETTY_PRINT_H): Add c-pretty-print.h.
3398         (c-lang.o): Depend on c-objc-common.h.
3399         (c-objc-common.o): Depend on $(C_PRETTY_PRINT_H) and
3400         c-objc-common.h; remove duplicate $(C_TREE_H) dependency.
3401         * c-lang.c: Include c-objc-common.h.
3402         (LANG_HOOKS_FINISH, LANG_HOOKS_INIT_OPTIONS,
3403         LANG_HOOKS_INITIALIZE_DIAGNOSTICS, LANG_HOOKS_HANDLE_OPTION,
3404         LANG_HOOKS_MISSING_ARGUMENT, LANG_HOOKS_POST_OPTIONS,
3405         LANG_HOOKS_GET_ALIAS_SET, LANG_HOOKS_SAFE_FROM_P,
3406         LANG_HOOKS_EXPAND_EXPR, LANG_HOOKS_MARK_ADDRESSABLE,
3407         LANG_HOOKS_PARSE_FILE, LANG_HOOKS_TRUTHVALUE_CONVERSION,
3408         LANG_HOOKS_FINISH_INCOMPLETE_DECL, LANG_HOOKS_UNSAFE_FOR_REEVAL,
3409         LANG_HOOKS_STATICP, LANG_HOOKS_SET_DECL_ASSEMBLER_NAME,
3410         LANG_HOOKS_NO_BODY_BLOCKS, LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL,
3411         LANG_HOOKS_PRINT_IDENTIFIER, LANG_HOOKS_FUNCTION_ENTER_NESTED,
3412         LANG_HOOKS_FUNCTION_LEAVE_NESTED, LANG_HOOKS_DUP_LANG_SPECIFIC_DECL,
3413         LANG_HOOKS_DECL_UNINIT, LANG_HOOKS_RTL_EXPAND_STMT,
3414         LANG_HOOKS_COMMON_ATTRIBUTE_TABLE, LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE,
3415         LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN,
3416         LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS,
3417         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
3418         LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING,
3419         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
3420         LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN,
3421         LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION, LANG_HOOKS_TYPE_FOR_MODE,
3422         LANG_HOOKS_TYPE_FOR_SIZE, LANG_HOOKS_SIGNED_TYPE,
3423         LANG_HOOKS_UNSIGNED_TYPE, LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE,
3424         LANG_HOOKS_INCOMPLETE_TYPE_ERROR, LANG_HOOKS_TYPE_PROMOTES_TO,
3425         LANG_HOOKS_REGISTER_BUILTIN_TYPE, LANG_HOOKS_WRITE_GLOBALS):
3426         Move to c-objc-common.h.
3427         * c-objc-common.c: Include c-objc-common.h.
3428         * c-objc-common.h: New file.
3429
3430 2004-08-15  Andreas Tobler  <a.tobler@schweiz.ch>
3431             Andrew Pinski  <pinskia@physics.uc.edu>
3432
3433         PR target/14931
3434         * config/rs6000/darwin-tramp.asm (L_abort$stub): Change to new stub
3435         style.
3436
3437 2004-08-15  Nathan Sidwell  <nathan@codesourcery.com>
3438
3439         * tree.h (build_int_cst): New.
3440         (build_int_2): Remove.
3441         * tree.c (build_int_2): Remove.
3442         (build_int_cst): New.
3443         (make_vector_type, build_common_tree_nodes,
3444         build_common_tree_nodes_2): Use build_int_cst.
3445         * builtins.c (expand_builtin_prefetch, expand_builtin_strstr,
3446         expand_builtin_strpbrk, expand_builtin_fputs,
3447         build_string_literal, expand_builtin_printf,
3448         expand_builtin_sprintf, fold_builtin_lround, fold_builtin_bitop,
3449         fold_builtin_bitop, fold_builtin_isascii, fold_builtin_toascii,
3450         fold_builtin_isdigit, simplify_builtin_strstr,
3451         simplify_builtin_strpbrk, fold_builtin_fputs,
3452         simplify_builtin_sprintf): Use build_int_cst.
3453         * c-common.c (start_fname_decls, fix_string_type,
3454         c_common_nodes_and_builtins, c_init_attributes,
3455         shorten_compare): Likewise.
3456         * c-decl.c (complete_array_type,
3457         check_bitfield_type_and_width): Likewise.
3458         * c-lex.c (interpret_integer, lex_charconst): Likewise.
3459         * c-parse.in (primary): <TYPES_COMPATIBLE_P> Likewise.
3460         * c-pretty-print.c (pp_c_integer_constant): Likewise.
3461         * c-typeck.c (really_start_incremental_init, push_init_level,
3462         set_nonincremental_init_from_string): Likewise.
3463         * calls.c (load_register_parameters): Likewise.
3464         * convert.c (convert_to_pointer): Likewise.
3465         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref,
3466         build_fn_info_type, build_ctr_info_value, build_gcov_info):
3467         Likewise.
3468         * except.c (init_eh, assign_filter_values, assign_filter_values):
3469         Likewise.
3470         * expmed.c (store_fixed_bit_field, extract_bit_field,
3471         extract_fixed_bit_field, extract_split_bit_field, expand_shift,
3472         expand_mult_const, expand_mult_highpart_adjust, extract_high_half,
3473         expand_sdiv_pow2, expand_divmod, make_tree): Likewise.
3474         * expr.c (convert_move, emit_group_load, emit_group_store,
3475         expand_assignment, store_constructor, store_field,
3476         expand_expr_real_1, reduce_to_bit_field_precision): Likewise.
3477         * fold-const.c (force_fit_type, int_const_binop, fold_convert_const,
3478         invert_truthvalue, optimize_bit_field_compare,
3479         decode_field_reference, all_ones_mask_p, constant_boolean_node,
3480         fold_div_compare, fold, fold_read_from_constant_string,
3481         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
3482         * function.c (assign_parm_setup_block): Likewise.
3483         * stmt.c (shift_return_value, expand_end_case_type,
3484         estimate_case_costs): Likewise.
3485         * stor-layout.c (layout_type, initialize_sizetypes,
3486         set_min_and_max_values_for_integral_type): Likewise.
3487         * tree-chrec.c (chrec_fold_multiply_poly_poly,
3488         reset_evolution_in_loop): Likewise.
3489         * tree-chrec.h (build_polynomial_chrec): Likewise.
3490         * tree-complex.c (build_replicated_const): Likewise.
3491         * tree-eh.c (honor_protect_cleanup_actions,
3492         lower_try_finally_onedest, lower_try_finally_copy,
3493         lower_try_finally_switch): Likewise.
3494         * tree-mudflap.c (mf_build_string, mx_register_decls,
3495         mudflap_register_call, mudflap_enqueue_constant): Likewise.
3496         * tree-nested.c (get_trampoline_type, get_nl_goto_field): Likewise.
3497         * tree-pretty-print.c (dump_generic_node): Likewise.
3498         * tree-ssa-ccp.c (widen_bitfield, maybe_fold_offset_to_array_ref):
3499         Likewise.
3500         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
3501         * tree-ssa-loop-niter.c (number_of_iterations_cond,
3502         loop_niter_by_eval, upper_bound_in_type, lower_bound_in_type):
3503         Likewise.
3504
3505         * config/alpha/alpha.c (alpha_initialize_trampoline,
3506         alpha_va_start, alpha_gimplify_va_arg_1): Use build_int_cst.
3507         * config/arm/arm.c (arm_get_cookie_size): Likewise.
3508         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
3509         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
3510         * config/i860/i860.c (i860_va_start): Likewise.
3511         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
3512         * config/mips/mips.c (mips_build_builtin_va_list, mips_va_start,
3513         mips_gimplify_va_arg_expr): Likewise.
3514         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
3515         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg,
3516         add_compiler_branch_island): Likewise.
3517         * config/s390/s390.c (s390_va_start): Likewise.
3518         * config/sh/sh.c (sh_va_start): Likewise.
3519         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
3520         Likewise.
3521         * config/xtensa/xtensa.c (xtensa_va_start,
3522         xtensa_gimplify_va_arg_expr): Likewise.
3523
3524         * objc/objc-act.c (build_objc_string_object,
3525         build_objc_symtab_template, init_def_list, init_objc_symtab,
3526         init_module_descriptor, generate_static_references,
3527         build_selector_translation_table, get_proto_encoding,
3528         build_typed_selector_reference, build_selector_reference,
3529         build_next_objc_exception_stuff,
3530         build_method_prototype_list_template, generate_descriptor_table,
3531         generate_protocols, build_protocol_initializer,
3532         build_ivar_list_template, build_method_list_template,
3533         build_ivar_list_initializer, generate_ivars_list,
3534         generate_dispatch_table, generate_protocol_list,
3535         build_category_initializer, build_shared_structure_initializer,
3536         generate_shared_structures, handle_impent,
3537         generate_objc_image_info): Use build_int_cst.
3538
3539 2004-08-15  Ben Elliston  <bje@au.ibm.com>
3540
3541         * vec.h: Comment improvements.
3542
3543 2004-08-14  Roger Sayle  <roger@eyesopen.com>
3544
3545         * c-common.c (shorten_compare, pointer_int_sum,
3546         c_common_truthvalue_conversion, boolean_increment): Replace calls
3547         to build with calls to buildN.
3548         * c-decl.c (complete_array_type, grokdeclarator): Likewise.
3549         * c-gimplify.c (c_build_bind_expr, gimplify_c_loop,
3550         gimplify_switch_stmt): Likewise.
3551         * c-typeck.c (default_function_array_conversion,
3552         build_component_ref, build_array_ref, build_function_call,
3553         pointer_diff, build_unary_op, build_conditional_expr,
3554         build_compound_expr, build_modify_expr, c_finish_goto_label,
3555         c_finish_goto_ptr, c_finish_return, c_finish_loop,
3556         c_finish_bc_stmt, c_finish_stmt_expr, c_end_compound_stmt,
3557         build_binary_op): Likewise.
3558
3559 2004-08-15  Steven Bosscher  <stevenb@suse.de>
3560
3561         * rtl.c (note_insn_name): Add NOTE_DISABLE_SCHED_OF_BLOCK.
3562
3563 2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3564
3565         * fixinc/inclhack.def (stdio_va_list): Also fix com_err.h, cps.h,
3566         curses.h, krb5.h, lc_core.h, pfmt.h, wchar.h and curses_colr/curses.h.
3567         * fixinc/fixincl.x: Rebuilt.
3568
3569 2004-08-14  Richard Sandiford  <rsandifo@redhat.com>
3570
3571         * config/mips/mips-protos.h (mips_symbolic_constant_p)
3572         (mips_atomic_symbolic_constant_p, mips_stack_address_p)
3573         (mips_small_data_pattern_p): Declare.
3574         * config/mips/mips.h (CONST_GP_P): Moved from mips.c.
3575         (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Delete.
3576         * config/mips/mips.c (mips_symbolic_constant_p): Make global.
3577         (mips_atomic_symbolic_constant_p, mips_stack_address_p): New functions.
3578         (uns_arith_operand, const_arith_operand, arith_operand, sle_operand)
3579         (sleu_operand, small_int, reg_or_0_operand, const_float_1_operand)
3580         (reg_or_const_float_1_operand, hilo_operand, extend_operator)
3581         (macc_msac_operand, equality_op, cmp_op, trap_cmp_op)
3582         (pc_or_label_operand, call_insn_operand, move_operand)
3583         (consttable_operand, symbolic_operand, general_symbolic_operand)
3584         (global_got_operand, local_got_operand, stack_operand)
3585         (fp_register_operand, lo_operand, fcc_register_operand): Delete.
3586         (mips_small_data_pattern_1): Renamed from small_data_pattern_1.
3587         (mips_small_data_pattern_p): Replace previous small_data_pattern
3588         predicate.  Turn into a bool () (rtx) function.
3589         * config/mips/predicates.md: New file.
3590         * config/mips/mips.md: Include it.  Use the target-independent
3591         comparison_operator instead of cmp_op.  Rename trap_cmp_op to
3592         trap_comparison_operator and equality_op to equality_operator.
3593         Replace uses of small_int with the equivalent const_arith_operand.
3594         Rename reg_or_const_float_1_operand to reg_or_1_operand.  Rename
3595         const_float_1_operand to const_1_operand.  Rename fcc_register_operand
3596         to fcc_reload_operand.
3597         * config/mips/sb1.md: Rename fp_register_operand to fpr_operand.
3598
3599 2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3600
3601         PR libstdc++/17005 partial fix.
3602         * pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Define _INCLUDE__STDC_A1_SOURCE
3603         except when generating ANSI/C89 code.
3604
3605 2004-08-14  Nathan Sidwell  <nathan@codesourcery.com>
3606
3607         * c-common.c (shorten_compare): Use force_fit_type directly.
3608
3609 2004-08-14  Gerald Pfeifer  <gerald@pfeifer.com>
3610             Dimitri Papadopoulos-Orfanos  <papadopo@shfj.cea.fr>
3611             Dave Korn  <dk@artimi.com>
3612
3613         * doc/install.texi (Building): Avoid duplicate reference to GNU
3614         make requirement.
3615         (*-*-solaris2*): Do not recommend GNU make any longer.  Simplify.
3616
3617 2004-08-14  Richard Henderson  <rth@redhat.com>
3618
3619         * config/alpha/alpha.h (PROMOTE_MODE): Don't promote vector types.
3620         * config/alpha/alpha.c (function_value): Use PROMOTE_MODE.
3621
3622 2004-08-13  Richard Henderson  <rth@redhat.com>
3623
3624         * config/i386/i386.md (call_1, sibcall_1, call_1_rex64): Use Pmode
3625         for constant_call_address_operand.
3626         (call_value_pop_1, call_value_1): Likewise.
3627         (sibcall_value_1, call_value_1_rex64): Likewise.
3628
3629 2004-08-13  James E Wilson  <wilson@specifixinc.com>
3630
3631         * config/mips/sb1.md (ir_sb1_divdf_2pipes, ir_sb1_divdf_1pipe):
3632         Correct mode from SFmode to DFmode.
3633
3634 2004-08-13  Ziemowit Laski  <zlaski@apple.com>
3635
3636         * config/darwin.h (EXTRA_SECTION_FUNCTIONS): Mark the __sel_fixup,
3637         __cstring_object and __image_info sections with the no_dead_strip
3638         attribute.
3639
3640 2004-08-13  Roger Sayle  <roger@eyesopen.com>
3641             David Billinghurst  <David.Billinghurst@riotinto.com>
3642
3643         PR libgfortran/15930
3644         * fixinc/inclhack.def (irix___generic1, irix___generic2): New.
3645         * fixinc/fixincl.x: Regenerate.
3646         * fixinc/tests/base/internal/math_core.h: New file.
3647
3648 2004-08-13  Richard Henderson  <rth@redhat.com>
3649
3650         * dbxout.c (NO_DBX_FUNCTION_END): Default to zero.
3651         (dbxout_function_end): Remove ifdefs for it.
3652         (dbxout_begin_prologue): Protect N_BNSYM with it, and gdb extensions.
3653
3654 2004-08-13  Richard Henderson  <rth@redhat.com>
3655
3656         * Makefile.in (insn-preds.o): Depend on TREE_H.
3657         * genpreds.c (write_insn_preds_c): Include tree.h.
3658         * config/alpha/alpha.c (reg_or_0_operand, reg_or_6bit_operand,
3659         reg_or_8bit_operand, cint8_operand, add_operand, sext_add_operand,
3660         const48_operand, and_operand, or_operand, mode_width_operand,
3661         mode_mask_operand, mul8_operand, const0_operand,
3662         hard_fp_register_operand, hard_int_register_operand,
3663         reg_or_cint_operand, some_operand, some_ni_operand, input_operand,
3664         samegp_function_operand, direct_call_operand, small_symbolic_operand,
3665         global_symbolic_operand, call_operand, symbolic_operand,
3666         dtp16_symbolic_operand, dtp32_symbolic_operand,
3667         gotdtp_symbolic_operand, tp16_symbolic_operand, tp32_symbolic_operand,
3668         gottp_symbolic_operand, alpha_comparison_operator,
3669         alpha_zero_comparison_operator, alpha_swapped_comparison_operator,
3670         signed_comparison_operator, alpha_fp_comparison_operator,
3671         divmod_operator, fix_operator, aligned_memory_operand,
3672         unaligned_memory_operand, reg_or_unaligned_mem_operand,
3673         any_memory_operand, reg_not_elim_operand, normal_memory_operand,
3674         reg_no_subreg_operand, addition_operation): Move to predicates.md.
3675         (reg_or_const_int_operand): Remove.  Replace all users with
3676         reg_or_cint_operand.
3677         (tls_symbolic_operand_1): Export.  Don't check mode or for CONST.
3678         (resolve_reload_operand): Split out of aligned_memory_operand.
3679         * config/alpha/alpha-protos.h: Update for exports.
3680         * config/alpha/alpha.h (PREDICATE_CODES): Remove.
3681         * config/alpha/alpha.md: Include predicates.md.
3682         * config/alpha/predicates.md: New file.
3683
3684 2004-08-13  Richard Sandiford  <rsandifo@redhat.com>
3685
3686         * genattrtab.c (insn_ent): Replace insn_code, insn_index and lineno
3687         fields with a pointer to the instruction definition.
3688         (get_attr_value, fill_attr, make_length_attrs, remove_insn_ent)
3689         (insert_insn_ent, simplify_test_exp, optimize_attrs, write_attr_get)
3690         (write_attr_case, write_const_num_delay_slots): Update accordingly.
3691         (write_attr_case, write_const_num_delay_slots): Write the name of
3692         an insn next to its case statement.
3693         * genoutput.c (data): Add a filename field.
3694         (gen_insn, gen_peephole, gen_expand, gen_split): Set it.
3695         (output_insn_data): Print the location of each insn definition.
3696         * genrecog.c (write_action): Print the name of an insn above
3697         the statement that returns its code.
3698
3699 2004-08-12  Andrew Pinski  <pinskia@physics.uc.edu>
3700
3701         * config/darwin-c.c (find_subframework_file): Fix spelling of cannot.
3702         * config/libgloss.h: Likewise.
3703         * config/arm/arm.c (arm_gen_load_multiple): Likewise.
3704         * c4x/c4x-modes.def: Likewise.
3705         * config/c4x/c4x.c (c4x_hard_regno_rename_ok): Likewise.
3706         (c4x_rptb_nop_p): Likewise.
3707         (c4x_rptb_valid_p): Likewise.
3708         (c4x_rptb_insert): Likewise.
3709         (c4x_address_conflict): Likewise.
3710         * config/c4x/c4x.md: Likewise.
3711         * config/frv/frv.md: Likewise.
3712         * config/i386/athlon.md: Likewise.
3713         * config/i386/i386.md: Likewise.
3714         * config/i386/predicates.md: Likewise.
3715         * config/ia64/ia64.c: Likewise.
3716         * config/ia64/itanium1.md: Likewise.
3717         * config/ia64/itanium2.md: Likewise.
3718         * config/iq2000/iq2000.md: Likewise.
3719         * config/mcore/mcore.c: Likewise.
3720         * config/mips/mips.c: Likewise.
3721         * config/mips/r3900.h: Likewise.
3722         * config/mips/sb1.md: Likewise.
3723         * config/pa/milli64.S: Likewise.
3724         * config/pa/pa.c: Likewise.
3725         * config/pa/pa.h: Likewise.
3726         * config/rs6000/8540.md: Likewise.
3727
3728 2004-08-13  Daniel Berlin  <dberlin@dberlin.org>
3729
3730         * Makefile.in (BOOT_CFLAGS): Remove accidental addition of -dU.
3731
3732 2004-08-13  J"orn Rennecke <joern.rennecke@superh.com>
3733
3734         * sh.md (cbranch define_delay) Use cond_delay_slot for
3735         non-anulled condition too.
3736
3737 2004-08-12  David Edelsohn  <edelsohn@gnu.org>
3738
3739         * config/rs6000/rs6000.c (any_parallel_operand): New predicate.
3740         * config/rs6000/rs6000.h (PREDICATE_CODES): Add
3741         any_parallel_operand, lmw_operation, stmw_operation,
3742         mfcr_operation, mtcrf_operation.  Remove PARALLEL from any_operand.
3743         * config/rs6000/rs6000.md (save_fpregs_{si,di}): Use
3744         any_parallel_operand.
3745         (return_and_restore_fpregs_{si,di}): Same.
3746
3747 2004-08-12  Zack Weinberg  <zack@codesourcery.com>
3748
3749         * genrecog.c (add_to_sequence): When processing a MATCH_PARALLEL,
3750         if pred->singleton != PARALLEL, issue a warning and pretend it was.
3751         Also issue a warning for any predicate we don't know about.
3752
3753 2004-08-12  Richard Henderson  <rth@redhat.com>
3754
3755         * config/i386/i386.c (internal_label_prefix): Export.
3756         (internal_label_prefix_len, struct ix86_address,
3757         ix86_decompose_address, maybe_get_pool_constant,
3758         ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes,
3759         memory_address_length): Export.
3760         (any_fp_register_operand, fp_register_operand,
3761         register_and_not_any_fp_reg_operand, register_and_not_fp_reg_operand,
3762         x86_64_general_operand, x86_64_szext_general_operand,
3763         x86_64_nonmemory_operand, x86_64_movabs_operand,
3764         x86_64_szext_nonmemory_operand, x86_64_immediate_operand,
3765         x86_64_zext_immediate_operand, const_int_1_31_operand,
3766         symbolic_operand, pic_symbolic_operand, local_symbolic_operand,
3767         tls_symbolic_operand, global_dynamic_symbolic_operand,
3768         local_dynamic_symbolic_operand, initial_exec_symbolic_operand,
3769         local_exec_symbolic_operand, call_insn_operand, sibcall_insn_operand,
3770         constant_call_address_operand, const0_operand, const1_operand,
3771         const248_operand, const_0_to_3_operand, const_0_to_7_operand,
3772         const_0_to_15_operand, const_0_to_255_operand, incdec_operand,
3773         shiftdi_operand, reg_no_sp_operand, mmx_reg_operand,
3774         general_no_elim_operand, nonmemory_no_elim_operand,
3775         index_register_operand, q_regs_operand, flags_reg_operand,
3776         non_q_regs_operand, zero_extended_scalar_load_operand,
3777         vector_move_operand, no_seg_address_operand, sse_comparison_operator,
3778         ix86_comparison_operator, ix86_carry_flag_operator,
3779         fcmov_comparison_operator, promotable_binary_operator,
3780         cmp_fp_expander_operand, ext_register_operand, binary_fp_operator,
3781         mult_operator, div_operator, arith_or_logical_operator,
3782         memory_displacement_operand, cmpsi_operand, long_memory_operand,
3783         aligned_operand): Move to predicates.md as define_predicates.
3784         (tls_symbolic_operand_1): Remove.
3785         (x86_64_sign_extended_value): Merge into x86_64_immediate_operand.
3786         (x86_64_zero_extended_value): Merge into x86_64_zext_immediate_operand.
3787         (legitimize_address): Merge tls_symbolic_operand contents.
3788         (ix86_expand_move): Likewise.
3789         * config/i386/i386-protos.h: Update for exports.
3790         * config/i386/i386.h (EXTRA_CONSTRAINT): Update for renames.
3791         (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Remove.
3792         * config/i386/i386.md: Include predicates.md.
3793         * config/i386/predicates.md: New file.
3794
3795 2004-08-13  Mark Mitchell  <mark@codesourcery.com>
3796
3797         PR c++/16924
3798         * config/i386/winnt.c (i386_pe_mark_dllexport): Set
3799         SYMBOL_REF_DECL.
3800         (i386_pe_mark_dllimport): Likewise.
3801         (i386_pe_encode_section_info): Likewise, when overriding
3802         dllimport attribute.
3803
3804 2004-08-12  Geoffrey Keating  <geoffk@apple.com>
3805
3806         * configure.ac: When testing for flex, nm, ar, and bison, check
3807         that they will actually be built.
3808         * configure: Regenerate.
3809
3810 2004-08-12  Ulrich Weigand  <uweigand@de.ibm.com>
3811
3812         * config/s390/s390.h (MAX_FIXED_MODE_SIZE): Define.
3813         (MOVE_MAX_PIECES): Define.
3814
3815 2004-08-12  Devang patel  <dpatel@apple.com>
3816
3817         * dbxout.c (dbxout_begin_prologue): New function.
3818         (dbx_debug_hooks): Use new begin prologue hook.
3819         (dbxout_function_end): Emit N_ENSYM.
3820         * stab.def (N_BNSYM, N_ENSYM): Define and document these two new stabs.
3821
3822 2004-08-12  Janis Johnson  <janis187@us.ibm.com>
3823
3824         * config/rs6000/altivec.h (vec_dst): Fix C++ functions whose first
3825         argument is float*.
3826
3827         * config/rs6000/rs6000.c (altivec_init_builtins): Fix argument type
3828         for vec_dss.
3829
3830         * doc/extend.texi (AltiVec builtins): Fix description for recent
3831         changes.  Update operation list to match current support.
3832
3833 2004-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
3834
3835         * config/s390/s390.c (struct s390_frame_layout): New struct as element
3836         of struct machine_function.
3837         (cfun->machine->frame_size): Moved into cfun->machine->frame_layout and
3838         changed all uses.
3839         (cfun->machine->save_fprs_p): Replaced by cfun_save_high_fprs and
3840         changed all uses.
3841         (cfun_frame_layout, cfun_save_high_fprs_p, cfun_gprs_save_area_size)
3842         (cfun_set_fpr_bit, cfun_fpr_bit_p): New macros.
3843         (s390_frame_area, s390_register_info): New functions.
3844         (s390_optimize_prolog): Renamed to s390_optimize_prologue.  Added check
3845         for base register.
3846         (s390_return_addr_rtx, s390_return_address_offset)
3847         (s390_va_start, s390_gimplify_va_arg)
3848         (s390_emit_prologue, s390_emit_epilogue): Adjusted for new stack
3849         layouts.
3850         (s390_frame_info): Functionality partly moved to s390_register_info.
3851         Made adaptions for new stack layout.
3852         (save_gprs, restore_gprs): Changed meaning of second parameter and
3853         adapted all callers.
3854
3855         * config/s390/s390.h (s390_backchain_string): New global variable.
3856         (MASK_BACKCHAIN): Removed definition.
3857         (TARGET_BACKCHAIN): Changed check.
3858         (TARGET_KERNEL_BACKCHAIN): New macro.
3859         (TARGET_SWITCHES): Removed entries of "backchain" and "no-backchain".
3860         (TARGET_OPTIONS): Added "backchain", "no-backchain" and
3861         "kernel-backchain".
3862         (DYNAMIC_CHAIN_ADDRESS): Adjusted for new stack layouts.
3863
3864         * config/s390/s390.md ("allocate_stack"): Added TARGET_KERNEL_BACKCHAIN
3865         as condition.  Adjusted for new stack layout.
3866
3867         * doc/invoke.texi: Added documentation for new option
3868         "-mkernel-backchain" and adjusted documentation of "-mbackchain" and
3869         "-mno-backchain".
3870
3871 2004-08-12  Paul Brook  <paul@codesourcery.com>
3872
3873         * config/arm/lib1funcs.asm (ARM_FUNC_ALIAS): Also alias _L__name.
3874         (aeabi_uidivmod, aeabi_idivmod): Provide thumb implementation.
3875
3876 2004-08-12  David Daney  <ddaney@avtrex.com>
3877
3878         * java/gcj.texi:  Add subsection on signal usage.
3879
3880 2004-08-12  David Edelsohn  <edelsohn@gnu.org>
3881
3882         * expr.c (move_by_pieces): Set alignment for move to minimum of
3883         MOVE_MAX_PIECES mode alignment and the largest non-slow mode
3884         alignment, but not less than the original alignment.
3885         (move_by_pieces_ninsns): Same.
3886         (can_store_by_pieces): Similar for store with STORE_MAX_PIECES.
3887         (store_by_pieces_1): Same.
3888
3889 2004-08-12  Diego Novillo  <dnovillo@redhat.com>
3890
3891         PR tree-optimization/16867
3892         * tree.c (is_global_var): New function.
3893         (needs_to_live_in_memory): Check for TREE_ADDRESSABLE.
3894         Call is_global_var.
3895         * tree.h (DECL_NEEDS_TO_LIVE_IN_MEMORY_INTERNAL): Remove.
3896         Update all users.
3897         (is_global_var): Declare.
3898         * tree-dfa.c (dump_variable): Display global and addressable
3899         attributes.
3900         (add_referenced_var): Clarify documentation when marking
3901         variables call-clobbered.
3902         * tree-flow-inline.h (is_call_clobbered): Call is_global_var
3903         instead of needs_to_live_in_memory.
3904         (mark_call_clobbered): If the variable is a tag, mark it
3905         DECL_EXTERNAL.
3906         * tree-gimple.c (is_gimple_reg): Don't check for
3907         TREE_ADDRESSABLE.
3908         (is_gimple_non_addressable): Likewise.
3909         * tree-ssa-alias.c (get_nmt_for): Always check whether the tag
3910         needs to be marked call-clobbered.
3911         (setup_pointers_and_addressables): Call is_global_var instead
3912         of needs_to_live_in_memory.
3913         * tree-ssa-dce.c (need_to_preserve_store): Remove.
3914         Update all users with is_global_var.
3915         (mark_stmt_if_obviously_necessary): Fix processing of aliased
3916         stores.  Don't check the virtual definitions.  Rather, check
3917         whether the store is going into global memory.
3918         (find_obviously_necessary_stmts): Get the symbol from the PHI
3919         result.
3920         * tree-ssa-operands.c (get_call_expr_operands): Do not add
3921         clobbering may-defs if the call does not have side effects.
3922
3923 2004-08-12  Jakub Jelinek  <jakub@redhat.com>
3924
3925         PR c++/16276
3926         * output.h (default_function_rodata_section,
3927         default_no_function_rodata_section): New prototypes.
3928         * target.h (struct gcc_target): Add asm_out.function_rodata_section.
3929         * target-def.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
3930         (TARGET_ASM_OUT): Add it.
3931         * varasm.c (default_function_rodata_section,
3932         default_no_function_rodata_section): New functions.
3933         * final.c (final_scan_insn): Call
3934         targetm.asm_out.function_rodata_section instead of
3935         readonly_data_section.
3936         * config/darwin.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
3937         * config/mcore/mcore.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
3938         * config/ip2k/ip2k.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
3939         * config/rs6000/xcoff.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
3940         Likewise.
3941         * config/alpha/alpha.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
3942         * config/i386/cygming.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
3943         Likewise.
3944         * config/i386/i386-interix.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
3945         Likewise.
3946         * config/arm/pe.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
3947         * config/avr/avr.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
3948         * doc/tm.texi (TARGET_ASM_FUNCTION_RODATA_SECTION): Document.
3949
3950 2004-08-12  Paul Brook  <paul@codesourcery.com>
3951
3952         * dwarf2out.h (dwarf2out_frame_finish): Conditionalize outputting eh
3953         frame info.
3954         * doc/tm.texi: Document interaction between TARGET_UNWIND_INFO and
3955         DWARF2_UNWIND_INFO.
3956
3957 2004-08-12  Ben Elliston  <bje@au.ibm.com>
3958
3959         PR target/16286
3960         * config/rs6000/altivec.h: Change vector to __vector throughout.
3961         (Except for the `vector' macro itself).
3962
3963 2004-08-12  Zack Weinberg  <zack@codesourcery.com>
3964
3965         * genpreds.c: Add capability to generate predicate bodies as
3966         well as function prototypes.  Write function prototypes for
3967         the generic predicates too.
3968         (process_define_predicate, write_tm_preds_h, write_insn_preds_c)
3969         (write_predicate_subfunction, mark_mode_tests, add_mode_tests)
3970         (write_match_code, write_predicate_expr, write_one_predicate_function)
3971         (parse_option): New functions.
3972         (output_predicate_decls): Delete.
3973         (main): Read the machine description, process DEFINE_PREDICATE or
3974         DEFINE_SPECIAL_PREDICATE patterns, write tm-preds.h or insn-preds.c
3975         as appropriate.
3976
3977         * genrecog.c (struct decision_test): Replace index with
3978         struct pred_data pointer.
3979         (next_index): Remove, unused.
3980         (pred_table, preds, special_mode_pred_table): Delete.
3981         (compute_predicate_codes, process_define_predicate): New functions.
3982         (validate_pattern, add_to_sequence, write_switch): Update for
3983         new data structures.
3984         (main): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
3985         Check both error_count and have_error.
3986
3987         * gensupport.c (in_fname, first_predicate): New globals.
3988         (define_pred_queue, define_pred_tail): New RTL-pattern queue.
3989         (predicate_table, last_predicate, old_pred_table)
3990         (old_special_pred_table): New statics.
3991         (hash_struct_pred_data, eq_struct_pred_data, lookup_predicate)
3992         (add_predicate, init_predicate_table): New functions.
3993         (process_rtx): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
3994         (init_md_reader_args_cb): Use the global in_fname.  No need to zero
3995         it or max_include_len.  Call init_predicate_table.
3996         (read_rtx): Run the predicate queue after the attribute queue
3997         but before all the others.
3998         * gensupport.h (in_fname, struct pred_data, first_predicate)
3999         (lookup_predicate, add_predicate, FOR_ALL_PREDICATES): Declare.
4000         * rtl.def (MATCH_CODE, MATCH_TEST, DEFINE_PREDICATE)
4001         (DEFINE_SPECIAL_PREDICATE): New RTL codes.
4002         * dummy-conditions.c: Don't include bconfig.h, system.h,
4003         coretypes.h, tm.h, or system.h.  Do include stddef.h.
4004         Duplicate declaration of struct c_test from gensupport.h.
4005
4006         * Makefile.in (OBJS-common): Add insn-preds.o.
4007         (STAGESTUFF, .PRECIOUS): Add insn-preds.c.
4008         (insn-preds.c, insn-preds.o): New rules.
4009         (s-preds): Also generate insn-preds.c.
4010         (dummy-conditions.o, genpreds$(build_exeext), genpreds.o):
4011         Update dependencies.
4012         (print-rtl.o, print-rtl1.o): Correct dependencies.
4013
4014         * recog.h: Delete prototypes of predicate functions.
4015
4016         * doc/md.texi (Predicates): New section with complete
4017         documentation of operand/operator predicates.  Remove some
4018         incomplete documentation of predicates from other places.
4019         * doc/tm.texi (Misc): Move SPECIAL_MODE_PREDICATES next to
4020         PREDICATE_CODES; indicate that both are deprecated in favor
4021         of define_predicate/define_special_predicate.
4022
4023         * config/ia64/ia64.c: All predicate function definitions moved
4024         to ia64.md, except
4025         (small_addr_symbolic_operand, tls_symbolic_operand): Delete.
4026         (ia64_expand_load_address, ia64_expand_move):
4027         Check SYMBOL_REF_TLS_MODEL directly, don't use tls_symbolic_operand.
4028
4029         * config/ia64/ia64.md: All predicates now defined here.
4030         (symbolic_operand): Is now a special predicate.
4031
4032         * config/ia64/ia64.h: Declare ia64_section_threshold.
4033         (PREDICATE_CODES): Delete.
4034
4035 2004-08-12  Richard Henderson  <rth@redhat.com>
4036
4037         * c-common.h (STATEMENT_LIST_HAS_LABEL): New.
4038         * c-semantics.c (add_stmt): Set it.
4039         * c-decl.c (finish_decl): Use it to create a new BIND_EXPR
4040         before instantiating a variable sized type.
4041
4042 2004-08-12  Richard Henderson  <rth@redhat.com>
4043
4044         * stor-layout.c (round_up, round_down): Move ...
4045         * fold-const.c (round_up, round_down): ... here.  Use
4046         multiple_of_p to avoid any arithmetic at all.
4047
4048 2004-08-12  Richard Henderson  <rth@redhat.com>
4049
4050         * gimplify.c (struct gimplify_init_ctor_preeval_data): New.
4051         (gimplify_init_ctor_preeval_1): New.
4052         (gimplify_init_ctor_preeval): New.
4053         (gimplify_init_ctor_eval): New.
4054         (gimplify_init_constructor): Use them.  Always gimplify the LHS
4055         object first.
4056
4057 2004-08-12  Ziemowit Laski  <zlaski@apple.com>
4058
4059         (This patch is part of merge of objc-improvements-branch
4060         into mainline.)
4061
4062         * doc/frontends.texi: Mention Objective-C++ in addition to
4063         Objective-C.
4064         * doc/install.texi: Add 'obj-c++' to list of configurable
4065         languages.
4066         * doc/invoke.texi: Rename Objective-C option headings to
4067         indicate they also apply to Objective-C++.  List file
4068         extensions for Objective-C++ sources.  Mention that
4069         ObjC and ObjC++ compilations may also use C and C++ options,
4070         respectively.  Point users to doc/standards.texi for
4071         further info on ObjC and ObjC++.
4072         * doc/sourcebuild.texi: Mention the objcp/ directory and
4073         the Objective-C++ sources it contains.
4074         * doc/standards.texi: Update link to Apple ObjC site;
4075         add link to gcc readings.html WWW doc.
4076
4077 2004-08-12  Alan Modra  <amodra@bigpond.net.au>
4078
4079         * config/rs6000/rs6000.c (function_arg_padding): Revert 2004-07-28
4080         and 2004-07-14 changes.
4081
4082 2004-08-12  Paul Brook  <paul@codesourcery.com>
4083
4084         * doc/invoke.texi: Fix typo.
4085
4086 2004-08-11 Devang Patel  <dpatel@apple.com>
4087
4088         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add -dead_strip
4089         and -no_dead_strip_inits_and_terms.
4090         (LINK_SPEC): Same.
4091         * doc/invoke.texi (Darwin Options): Document -dead_strip and
4092         -no_dead_strip_inits_and_terms.
4093
4094 2004-08-11  Paul Brook  <paul@codesourcery.com>
4095
4096         * config/arm/arm-protos.h (arm_finalize_pic) Rename ...
4097         (arm_load_pic_register): ... to this.
4098         * config/arm/arm.c (arm_finalize_pic): Rename ...
4099         (arm_load_pic_register): ... to this.  Always output insns at the
4100         current location.  Load via low reg in thumb mode.
4101         (arm_expand_prologue): Call arm_load_pic_register.
4102         (thumb_expand_prologue): Ditto.
4103         * config/arm/arm.h (FINALIZE_PIC): Remove.
4104         * config/arm/arm.md (builtin_setjmp_receiver): Call
4105         arm_load_pic_register.
4106
4107 2004-08-11  Paul Brook  <paul@codesourcery.com>
4108
4109         * arm.c (thumb_force_lr_save): Add prototype.
4110         (thumb_compute_save_reg_mask): New function.
4111         (thumb_find_work_register): New function.
4112         (arm_get_frame_offsets): Use thumb_compute_save_reg_mask.
4113         (thumb_unexpanded_epilogue): Ditto.  Remove redundant code.
4114         Don't clobber r3 when removing pretend args.
4115         (thumb_expand_prologue): Use thumb_compute_save_reg_mask.
4116         (thumb_output_function_prologue): Use new functions.
4117         (thumb_set_return_address): Use thumb_compute_save_reg_mask.
4118         * arm.h (THUMB_REG_PUSHED_P): Remove.
4119
4120 2004-08-11  James E Wilson  <wilson@specifixinc.com>
4121
4122         PR rtl-optimization/16490
4123         * cfgrtl.c (cfg_layout_split_edge): Set global_live_at_start and
4124         global_live_at_end for new basic block if already set for other blocks.
4125
4126 2004-08-11 David Edelsohn  <edelsohn@gnu.org>
4127
4128         * config/rs6000/rs6000.h (MAX_FIXED_MODE_SIZE): Define.
4129
4130         * config/rs6000/rs6000.md (mfcr rlwinm patterns): Set length to 8.
4131         (mfcr rlwinm rlwinm patterns): Set length to 12.
4132
4133 2004-08-11  Andrew MacLeod  <amacleod@redhat.com>
4134
4135         * tree-flow-inline.h (get_def_ops, get_use_ops, get_v_may_def_ops,
4136         get_vuse_ops,get_v_must_def_ops): Add operand structure reference.
4137         (get_v_may_def_result_ptr, get_v_may_def_op_ptr): New access struct.
4138         (start_ssa_stmt_operands): Delete.
4139         * tree-flow.h (struct stmt_ann_d): Replace operand vectors with new
4140         struct stmt_operands_d.
4141         (build_ssa_operands): New extern entry point.
4142         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove operand
4143         building code, replace with create_ssa_artficial_load_stmt().
4144         * tree-ssa-operands.c (struct voperands_d): Delete.
4145         (allocate_v_may_def_optype): Allocate v_may_def_operand_type_t vector.
4146         (allocate_v_must_def_optype): Use sizeof (tree), not sizeof (tree *).
4147         (free_uses, free_defs, free_vuses, free_v_may_defs,
4148         free_v_must_defs): Remove dealloc parameter.
4149         (remove_vuses, remove_v_may_def, remove_v_must_defs): Delete.
4150         (finalize_ssa_defs, finalize_ssa_uses, finalize_ssa_v_may_defs,
4151         finalize_ssa_vuses, finalize_ssa_v_must_defs): Perform all operand
4152         vector comparisons, ssa_name reuse, and allocations here.
4153         (verify_start_operands): Delete.
4154         (finalize_ssa_stmt_operands): Set new operands by calling finalize
4155         routines.
4156         (start_ssa_stmt_operands): Move from tree-flow-inline.h.
4157         (append_def, append_usei): Simplify to simple accumulation.
4158         (append_v_may_def, append_vuse, append_v_must_def): Simplify to avoiding
4159         duplicates and simple accumulation.
4160         (free_ssa_operands): Free vectors in a stmt_operand structure.
4161         (build_ssa_operands): New. Create a new stmt_operand structure from
4162         a stmt and an old set of stmt_operands.
4163         (get_stmt_operands): Simplify and call build_ssa_operands.
4164         (get_expr_operands, get_asm_expr_operands, get_indirect_ref_operands,
4165         get_call_expr_operands, add_stmt_operand, add_call_clobber_ops,
4166         add_call_read_ops): Don't pass prev_vops around anymore.
4167         (note_addressable): Return if no stmt annotation.
4168         (copy_virtual_operands): Access v_may_def operands through a struct.
4169         (create_ssa_artficial_load_stmt): New.  Create a load stmt for DOM's
4170         hash tables without treating the stmt as a real stmt.
4171         * tree-ssa-operands.h (struct v_may_def_operand_type): New.  Access
4172         v_may_def def and use through a struct instead of 2 array elements.
4173         (struct v_may_def_optype_d): Use v_may_def_operand_type.
4174         (struct stmt_operands_d): New.  Struct for storing all operand vectors.
4175
4176 2004-08-11  Nick Clifton  <nickc@redhat.com>
4177
4178         * config/arm/arm.c (arm_is_longcall_p): Update comment describing
4179         this funciton's behaviour.  Return true when the current function
4180         has a section attribute and -mlong-calls is in effect.
4181         * config/arm/arm.h (ARM_DECLARE_FUNCTION_SIZE): Do not set the
4182         short-call marker when -mlong-calls is in effect and the function
4183         has a section attribute.
4184
4185 2004-08-10  Zack Weinberg  <zack@codesourcery.com>
4186
4187         * stmt.c (expand_return): If asked to return the RESULT_DECL,
4188         just call expand_value_return on result_rtl.
4189
4190 2004-08-10  Richard Henderson  <rth@redhat.com>
4191
4192         * builtins.def (BUILT_IN_STACK_ALLOC): Remove.
4193         * builtins.c (expand_builtin) <BUILT_IN_STACK_ALLOC>: Remove.
4194         * dwarf2out.c (loc_descriptor): Handle PARALLEL here ...
4195         (add_location_or_const_value_attribute): ... not here.  Use
4196         loc_descriptor_from_tree if possible.
4197         (loc_descriptor_from_tree_1): Rename from loc_descriptor_from_tree.
4198         Simplify address handling.  Handle DECL_VALUE_EXPR.  Handle register
4199         values specially.
4200         (loc_descriptor_from_tree): New.  Update callers.
4201         * expr.c (expand_var): Ignore DECL_VALUE_EXPR variables.
4202         * gimplify.c (gimplify_decl_expr): Lower variable sized types to
4203         pointer plus dereference.  Set DECL_VALUE_EXPR.  Set save_stack.
4204         (gimplify_call_expr): Do not recognize BUILT_IN_STACK_ALLOC
4205         and BUILT_IN_STACK_RESTORE.
4206         (gimplify_expr): Lower DECL_VALUE_EXPR decls.
4207         * stmt.c (expand_stack_alloc): Remove.
4208         * tree-mudflap.c (mx_register_decls): Don't look for
4209         BUILT_IN_STACK_ALLOC.
4210         * tree-nested.c (convert_local_reference): Likewise.
4211         * tree.h (DECL_VALUE_EXPR): New.
4212
4213 2004-08-10  Richard Henderson  <rth@redhat.com>
4214
4215         * stor-layout.c (round_up): Check for 0/1 before dividing.
4216         (round_down): Likewise.
4217
4218         * tree-tailcall.c (suitable_for_tail_opt_p): Also check DECL_EXTERNAL.
4219
4220 2004-08-09  Mark Mitchell  <mark@codesourcery.com>
4221
4222         * config.gcc (arm*-*-eabi*): New target.
4223         * defaults.h (TARGET_LIBGCC_FUNCS): New macro.
4224         (TARGET_LIB_INT_CMP_BIASED): Likewise.
4225         * expmed.c (expand_divmod): Try a two-valued divmod function as a
4226         last resort.
4227         * gthr.h: Remove bogus tokens at end of #pragma.
4228         * optabs.c (expand_twoval_binop_libfunc): New function.
4229         (prepare_cmp_insn): Handle the !TARGET_LIB_INT_CMP_BIASED case.
4230         (prepare_float_lib_cmp): Try reversing the condition.
4231         (debug_optab_libfuncs): New function.
4232         * optabs.h (expand_twoval_binop_libfunc): Declare.
4233         * config/arm/arm.c (arm_init_libfuncs): New function.
4234         (arm_compute_initial_eliminatino_offset): Return HOST_WIDE_INT.
4235         (TARGET_INIT_LIBFUNCS): Define it.
4236         * config/arm/arm.h (TARGET_BPABI): New macro.
4237         * config/arm/arm-protos.h
4238         (arm_compute_initial_elimination_offset): Return HOST_WIDE_INT.
4239         * config/arm/bpabi.S: New file.
4240         * config/arm/bpabi.c: Likewise.
4241         * config/arm/bpabi.h: Likewise.
4242         * config/arm/ieee754-df.S (__aeabi_dneg): New function or alias.
4243         (__aeabi_drsub): Likewise.
4244         (__aeabi_dsub): Likewise.
4245         (__aeabi_dadd): Likewise.
4246         (__aeabi_ui2d): Likewise.
4247         (__aeabi_i2d): Likewise.
4248         (__aeabi_f2d): Likewise.
4249         (__aeabi_dmul): Likewise.
4250         (__aeabi_ddiv): Likewise.
4251         (__aeabi_cdrcmple): Likewise.
4252         (__aeabi_cdcmpeq): Likewise.
4253         (__aeabi_cdcmple): Likewise.
4254         (__aeabi_dcmpeq): Likewise.
4255         (__aeabi_dcmplt): Likewise.
4256         (__aeabi_dcmple): Likewise.
4257         (__aeabi_dcmpge): Likewise.
4258         (__aeabi_dcmpgt): Likewise.
4259         (__aeabi_dcmpun): Likewise.
4260         (__aeabi_d2iz): Likewise.
4261         (__aeabi_d2uiz): Likewise.
4262         (__aeabi_d2f): Likewise.
4263         * config/arm/ieee754-sf.S (__aeabi_fneg): New function or alias.
4264         (__aeabi_frsub): Likewise.
4265         (__aeabi_fsub): Likewise.
4266         (__aeabi_fadd): Likewise.
4267         (__aeabi_ui2f): Likewise.
4268         (__aeabi_i2f): Likewise.
4269         (__aeabi_fmul): Likewise.
4270         (__aeabi_fdiv): Likewise.
4271         (__aeabi_cfrcmple): Likewise.
4272         (__aeabi_cfcmpeq): Likewise.
4273         (__aeabi_cfcmple): Likewise.
4274         (__aeabi_fcmpeq): Likewise.
4275         (__aeabi_fcmplt): Likewise.
4276         (__aeabi_fcmple): Likewise.
4277         (__aeabi_fcmpge): Likewise.
4278         (__aeabi_fcmpgt): Likewise.
4279         (__aeabi_fcmpun): Likewise.
4280         (__aeabi_f2iz): Likewise.
4281         (__aeabi_f2uiz): Likewise.
4282         * config/arm/lib1funcs.asm (ARM_CALL): New macro.
4283         (__aeabi_uidivmod): New function or alias.
4284         (__aeabi_idivmod): Likewise.
4285         (__aeabi_idiv0): Likewise.
4286         (__aeabi_ldiv0): Likewise.
4287         (__aeabi_llsr): Likewise.
4288         (__aeabi_lasr): Likewise.
4289         (__aeabi_llsl): Likewise.
4290         (bpabi.S): Include it.
4291         * config/arm/libgcc-bpabi.ver: New file.
4292         * config/arm/symbian.h (ARM_DEFAULT_ABI): Remove.
4293         (LINK_SPEC): Remove.
4294         * config/arm/t-arm-elf (LIB1ASMFUNCS): Add __aeabi_lcmp and
4295         __aeabi_ulcmp.
4296         * config/arm/t-bpabi: New file.
4297         * doc/tm.texi (TARGET_LIBGCC_FUNCS): New entry.
4298         (TARGET_LIB_INT_CMP_BIASED): Likewise.
4299
4300 2004-08-10  David Edelsohn  <edelsohn@gnu.org>
4301
4302         * config/rs6000/rs6000-protos.h (expand_block_clear): Declare.
4303         * config/rs6000/rs6000.md (clrmemsi): New pattern.
4304         * config/rs6000/rs6000.c (expand_block_clear): New function.
4305         (expand_block_move): Convert alignment to bits.  Use SImode and
4306         HImode for unaligned addresses if not STRICT_ALIGNMENT.
4307
4308 2004-08-10  Caroline Tice  <ctice@apple.com>
4309
4310         * varasm.c (unlikely_section_label): New global variable.
4311         (unlikely_text_section_name): New global variable.
4312         (text_section):  Remove alignment statement.
4313         (unlikely_text_section): Remove alignment statement; use
4314         unlikely_section_label rather than hard-coded string.
4315         (assemble_start_function): Initialize unlikely_section_label and
4316         unlikely_text_section_name;  make sure cold section is properly
4317         aligned at start of function; output unlikely_section_label if
4318         appropriate.
4319
4320 2004-08-10  Ulrich Weigand  <uweigand@de.ibm.com>
4321
4322         * config/s390/s390-protos.h (s390_canonicalize_comparison): Declare.
4323         * config/s390/s390.c (s390_canonicalize_comparison): New function.
4324         * config/s390/s390.h (CANONICALIZE_COMPARISON): Define.
4325         * config/s390/s390.md ("*tmdi_ext", "*tmsi_ext", "*tmqisi_ext",
4326         "*tmqidi_ext", "*tmdi_mem", "*tmsi_mem", "*tmhi_mem"): Remove.
4327         ("*tmqi_mem"): Remove SUBREG from pattern.
4328         ("*anddi3_cconly"): Prevent accidentally matching TM pattern.
4329         ("*andsi3_cconly"): Likewise.
4330
4331 2004-08-10  H.J. Lu  <hongjiu.lu@intel.com>
4332
4333         PR target/16909
4334         * config/i386/i386.md (*strsetdi_rex_1): Use DI instead of SI.
4335
4336 2004-08-10  Janis Johnson  <janis187@us.ibm.com>
4337
4338         * doc/sourcebuild.texi (compat testing): Document available test
4339         framework commands.  Use the preferred spelling of DejaGnu.
4340
4341 2004-08-10  Daniel Berlin <dberlin@dberlin.org>
4342
4343         * lambda.h: Add matrix type, and prototypes for remainder of
4344         matrix and vector functions.
4345         (lambda_vector_mult_const): New function.
4346         (lambda_vector_negate): Ditto.
4347         (lambda_vector_add): Ditto.
4348         (lambda_vector_add_mc): Ditto.
4349         (lambda_vector_copy): Ditto.
4350         (lambda_vector_zerop): Ditto.
4351         (lambda_vector_equal): Ditto.
4352         (lambda_vector_min_nz): Ditto.
4353         (lambda_vector_first_nz): Ditto.
4354         (lambda_vector_matrix_mult): Ditto.
4355         * lambda-mat.c: New file.
4356         * Makefile.in (lambda-mat.o): New.
4357
4358 2004-08-10  Andrew MacLeod  <amacleod@redhat.com>
4359
4360         * tree-cfg.c (bsi_insert_before, bsi_insert_after): Call modify_stmt
4361         after linking stmt into the program.
4362         (bsi_remove): Don't call modify_stmt.
4363         * tree-complex.c (update_complex_assignment,
4364         expand_complex_comparison): Call modify_stmt after changing the stmt.
4365         * tree-outof-ssa.c (rewrite_trees): Call modify_stmt only if not
4366         removing the stmt.
4367         * tree-ssa-ccp.c (substitute_and_fold): Call modify_stmt after changing
4368         the stmt, and only if needed.
4369         * tree-ssa-dom.c (thread_across_edge): Pass no annotation for a dummy
4370         expression.
4371         (simplify_rhs_and_lookup_avail_expr): Don't take an annotation param.
4372         (simplify_cond_and_lookup_avail_expr): Use modify_stmt.
4373         (simplify_switch_and_lookup_avail_expr): Don't take an annotation param.
4374         (eliminate_redundant_computations): Don't pass an annotation. Call
4375         modify_stmt rather than setting the annotation directly.
4376         (record_equivalences_from_stmt): Remove unused local 'j'.
4377         (cprop_operand): Take a stmt rather than an annotation as a parameter.
4378         Call modify_stmt.
4379         (cprop_into_stmt): Pass stmt rather than annotation.
4380         (update_rhs_and_lookup_avail_expr): Call modify_stmt.
4381         * tree-ssa-loop-im.c (schedule_sm): Call get_stmt_ann rather than
4382         modify_stmt.
4383         * tree-ssa.c (propagate_into_addr): Dont call modify_stmt.
4384
4385 2004-08-10  Jason Merrill  <jason@redhat.com>
4386
4387         PR middle-end/16948
4388         * function.c (expand_function_start): Handle DECL_BY_REFERENCE on
4389         the RESULT_DECL.
4390
4391 2004-08-10  Geoffrey Keating  <geoffk@apple.com>
4392
4393         * tree-vn.c (val_expr_pair_expr_eq): Compare vuses, to match the
4394         hash function.
4395
4396 2004-08-10  Roger Sayle  <roger@eyesopen.com>
4397
4398         * config/mips/mips.md: New reciprocal square root patterns that
4399         match sqrt(1.0/x) in addition to the existing 1.0/sqrt(x) insns.
4400
4401 2004-08-10  Paul Brook  <paul@codesourcery.com>
4402
4403         * config/arm/arm-protos.h (arm_set_return_address,
4404         thumb_set_return_address): Add prototypes.
4405         * config/arm/arm.h (ARM_FT_EXCEPTION_HANDLER): Remove.
4406         * config/arm/arm.c (arm_compute_func_type,
4407         use_return_insn, arm_compute_save_reg0_reg12_mask,
4408         arm_compute_save_reg_mask, arm_output_function_prologue,
4409         arm_output_epilogue): Replace ARM_FT_EXCEPTION_HANDLER with
4410         current_function_calls_eh_return.
4411         (thumb_exit, thumb_pushpop, thumb_unexpanded_epilogue): Replace
4412         old eh code.
4413         (arm_set_return_address, thumb_set_return_address): New functions.
4414         * config/arm/arm.h (MUST_USE_SJLJ_EXCEPTIONS, DWARF2_UNWIND_INFO,
4415         ARM_EH_STACKADJ_REGNUM, EH_RETURN_STACKADJ_RTX): Define.
4416         * config/arm/arm.md (VUNSPEC_EH_RETURN): Add.
4417         (epilogue): Use the stackadj register.
4418         (eh_return, arm_eh_return, thumb_eh_return): New pattern.
4419
4420 2004-08-10  Jakub Jelinek  <jakub@redhat.com>
4421
4422         PR target/3144
4423         * expr.c (move_by_pieces_ninsns): Add max_size argument.
4424         (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1 to it.
4425         (CLEAR_BY_PIECES_P): Pass STORE_MAX_PIECES + 1 to it.
4426         (STORE_BY_PIECES_P): Define similarly to CLEAR_BY_PIECES_P,
4427         but using MOVE_RATIO.
4428         (move_by_pieces): Pass max_size to move_by_pieces_ninsns.
4429         (can_store_by_pieces): Change max_size type to unsigned int.
4430         (store_by_pieces_1): Likewise.  Pass max_size to
4431         move_by_pieces_ninsns.
4432         * config/s390/s390.h (STORE_BY_PIECES_P): Define.
4433         * config/sh/sh.c (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1
4434         to move_by_pieces_ninsns.
4435         (STORE_BY_PIECES_P): Define.
4436         * config/ns32k/ns32k.h (STORE_BY_PIECES_P): Pass STORE_MAX_PIECES + 1
4437         to move_by_pieces_ninsns.
4438         * doc/tm.texi (STORE_BY_PIECES_P): Document changed default.
4439
4440         * config/i386/i386.h (CLEAR_RATIO): Define.
4441
4442 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
4443
4444         * expr.c (expand_expr_real_1): Add back code that was not dead.
4445
4446 2004-08-09  Andrew Pinski  <apinski@apple.com>
4447
4448         * c-common.c (c_common_get_alias_set): Set the aliasing set of the type
4449         which is found to be compatible before returning the aliasing set.
4450
4451 2004-08-09  Daniel Jacobowitz  <dan@debian.org>
4452
4453         * ggc-zone.c (struct alloc_zone): Add statistics counters.
4454         (always_collect): New flag.
4455         (ggc_alloc_zone_1): Update statistics support.  Don't include
4456         overhead in allocated counter.
4457         (sweep_pages): Update allocated counter for large pages.  Don'y
4458         include overhead.
4459         (ggc_collect_1): Always collect.
4460         (ggc_collect): Honor always_collect flag.  Sum all zones to decide
4461         whether to collect.
4462         (SCALE, LABEL): New macros.
4463         (ggc_print_statistics): Add statistics support.
4464
4465 2004-08-09  Roger Sayle  <roger@eyesopen.com>
4466
4467         * expmed.c (sdiv_pow2_cheap, smod_pow2_cheap): Change type to bool.
4468         (init_expmed): Fix potential overrun problem with "all.reg".
4469         (expand_sdiv2_pow2): Add an alternate implementation for signed
4470         division, if the target provides a suitable conditional move insn.
4471
4472 2004-08-09  Paul Brook  <paul@codesourcery.com>
4473         Richard Henderson  <rth@redhat.com>
4474
4475         * unwind-dw2.c (uw_install_context_1): Update target saved stack
4476         pointer.
4477
4478 2004-08-09  Geoffrey Keating  <geoffk@apple.com>
4479
4480         * ggc-common.c (ggc_rlimit_bound): Don't check RSS limit.
4481         Check DATA limit only if there's no AS limit.  Ignore insanely
4482         low DATA limits.
4483         (ggc_min_heapsize_heuristic): Don't divide AS or RSS limits by 8,
4484         but take care that the AS limit isn't overrun.
4485         * doc/invoke.texi: Update documentation of min-heapsize parameter.
4486
4487 2004-08-09  Jeff Law  <law@redhat.com>
4488
4489         * Makefile.in (OBJC-common): Add tree-ssa-threadupdate.c
4490         (tree-ssa-threadupdate.o): Add dependencies.
4491         * tree-ssa-threadupdate.c: New file.
4492         * tree-flow.h (incoming_edge_threaded): New flag in block annotation.
4493         (rewrite_vars_out_of_ssa): Remove prototype.
4494         (cleanup_tree_cfg): Returns a bool.
4495         * tree.h (thread_through_all_blocks): Prototype.
4496         * tree-outof-ssa.c  (SSANORM_*): Move into here.
4497         (remove_ssa_form): Now static.
4498         (rewrite_vars_out_of_ssa): Kill.
4499         * tree-ssa-live.c (register_ssa_partitions_for_vars): Kill.
4500         * tree-ssa-live.h (SSANORM_*): Moved into tree-outof-ssa.c.
4501         (remove_ssa_form, register_partitions_for_vars): Kill declarations.
4502         * tree-cfg.c (cleanup_tree_cfg): Return a value indicating if
4503         anything was changed.
4504         * tree-phinodes.c (add_phi_arg): Get the block for the PHI
4505         from the PHI's annotation rather than the edge associated with
4506         the new argument.
4507         * tree-ssa-dom.c (redirection_edges): Kill.
4508         (redirect_edges_and_update_ssa_graph): Kill.
4509         (tree_ssa_dominator_optimize): Do not reset forwardable flag
4510         for blocks anymore.  Do not initialize redirection_edges.
4511         Call thread_through_all_blocks.  Simplify code for cleanup
4512         of the CFG and iterating.  No longer call cleanup_tree_cfg
4513         outside the iteration loop.
4514         (thread_across_edge): No longer mess with forwardable blocks.
4515
4516 2004-08-09  Zack Weinberg  <zack@codesourcery.com>
4517
4518         * explow.c (memory_address): Use memory_address_p.
4519         * recog.c (general_operand): Likewise.
4520         * regrename.c: No need to define REG_OK_STRICT.
4521
4522 2004-08-09  Steven Bosscher  <stevenb@suse.de>
4523
4524         * timevar.def (TV_CPROP1, TV_CPROP2, TV_PRE, TV_HOIST, TV_LSM):
4525         New timers.
4526         * gcse.c: Include timevar.h.
4527         (const_prop_count, copy_prop_count): Rename to global_const_prop_count
4528         and global_copy_prop_count.
4529         (local_const_prop_count, local_copy_prop_count): New static globals.
4530         (gcse_main): Set the right timevar for each pass.
4531         (cprop_jump): Increment global_const_prop_count when a constant is
4532         propagated.  Add "GLOBAL" to dump output.
4533         (cprop_insn): Increment global_const_prop_count when a constant is
4534         propagated, or global_copy_prop_count when a copy is propagated.
4535         (do_local_cprop): Likewise for local_const_prop_count and
4536         local_copy_prop_count.
4537         (one_cprop_pass): Initialize const/cprop counters to zero.
4538         Print out results of local and global const/cprop separately.
4539         (bypass_block): Break over-length line.
4540         * Makefile.in (gcse.o): Add TIMEVAR_H dependency.  Fix dependencies
4541         for bb-reorder.o and tracer.o.
4542
4543 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
4544
4545         * Makefile.in (GTFILES): Remove stmt.c
4546         (stmt.o): Do not depend on gt-stmt.h.
4547         * emit-rtl.c (emit_line_note): Do not call
4548         set_file_and_line_for_stmt.
4549         * expr.c (expand_expr_real_1) <SWITCH_EXPR>: Let expand_case
4550         do everything.
4551         * function.c (free_after_parsing): Do not free STMT field.
4552         (allocate_struct_function): Do not call init_stmt_for_function.
4553         (assign_stack_temp_for_type): Do not accept values of keep
4554         other than 0 or 1.
4555         (init_temp_slots): Do not initialize removed variables.
4556         * function.h (struct function): Remove STMT, X_TARGET_TEMP_SLOT_LEVEL
4557         and X_VAR_TEMP_SLOT_LEVEL fields.
4558         * rtl.h (set_file_and_line_for_stmt): Remove.
4559         * stmt.c (struct nesting, ALLOC_NESTING, POPSTACK,
4560         struct stmt_status, cond_stack, case_stack, nesting_stack,
4561         nesting_depth, emit_locus, set_file_and_line_for_stmt,
4562         same_case_target_p, init_stmt_for_function, emit_nop,
4563         expand_start_cond, expand_start_elseif, expand_start_else,
4564         expand_elseif, expand_end_cond): Remove.
4565         (preserve_subexpressions_p): Remove references to CFUN->STMT.
4566         (expand_start_case, expand_end_case_type): Remove, merge into...
4567         (expand_case): ... this one, including other bits from
4568         expand_expr_real_1.  Inline same_case_target_p.  Turn members
4569         of CASE_STACK into local variables.
4570         (emit_case_bit_tests): Inline same_case_target_p.
4571         (add_case_node): Add HEAD argument, return new head of the list,
4572         do not handle default label here.
4573         * tree.h (expand_start_cond, expand_end_cond, expand_start_else,
4574         expand_start_elseif, current_nesting_level, expand_start_case,
4575         expand_end_case_type, expand_end_case, add_case_node,
4576         init_stmt_for_function, expand_elseif): Remove prototypes.
4577         (expand_case): Add prototype.
4578
4579 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
4580
4581         * expr.c (expand_expr_real_1): Use optab_for_tree_code.
4582
4583 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
4584
4585         * expr.c (var_rtx): Remove.
4586         (expand_expr_real_1) <LOOP_EXPR, EXIT_EXPR,
4587         LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR, TRUTH_ANDIF_EXPR,
4588         TRUTH_ORIF_EXPR, COMPOUND_EXPR, CONJ_EXPR, INIT_EXPR>:
4589         Abort.
4590         (expand_expr_real_1) <COND_EXPR>: Remove most special cases.
4591         * optabs.c (emit_clr_insn, emit_0_to_1_insn): Remove.
4592         * optabs.h (emit_clr_insn, emit_0_to_1_insn): Remove.
4593
4594 2004-08-08  Mostafa Hagog  <mustafa@il.ibm.com>
4595         Ayal Zaks <zaks@il.ibm.com>
4596
4597         * common.opt (freschedule-modulo-scheduled-loops): New flag.
4598         * final.c (final_scan_insn): Handle NOTE_DISABLE_SCHED_OF_BLOCK.
4599         * modulo-sched.c (sms_schedule): Emit a note to disable scheduling
4600         when -freschedule-modulo-scheduled-loops flag is not specified.
4601         (sms_schedule_by_order, ps_insn_advance_column, add_node_to_ps,
4602         add_node_to_ps, ps_has_conflicts, ps_add_node_check_conflicts):
4603         More accurate placing of insn in row of partial schedule.
4604         (ps_insn_find_column): New function.
4605         * rtl.h (NOTE_DISABLE_SCHED_OF_BLOCK): New note.
4606         * sched-rgn.c (sched_is_disabled_for_current_region_p): New.
4607         (schedule_region): Use sched_is_disabled_for_current_region_p.
4608         * docs/invoke.texi: Document -freschedule-modulo-scheduled-loops.
4609
4610 2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>
4611
4612         * config/i386/i386.c (ix86_expand_clrmem): Revert the last
4613         change.
4614
4615 2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>
4616
4617         * config/i386/i386.c (ix86_expand_clrmem): Properly call
4618         gen_strset for 64bit target.
4619
4620 2004-08-07  Olivier Hainque  <hainque@act-europe.fr>
4621
4622         * config/vxworks.h (HANDLE_SYSV_PRAGMA): Remove definition.
4623
4624 2004-08-07  Jason Merrill  <jason@redhat.com>
4625
4626         Make return in memory explicit.
4627         * function.c (aggregate_value_p): Check DECL_BY_REFERENCE.
4628         (assign_parm_find_data_types): Remove code for old front end
4629         invisible reference handling.
4630         (assign_parms): Handle DECL_BY_REFERENCE on the RESULT_DECL.
4631         (expand_function_end): Likewise.
4632         * gimplify.c (gimplify_return_expr): Handle a dereferenced
4633         RESULT_DECL.
4634         * tree-inline.c (copy_body_r): Don't bother looking for &* anymore.
4635         (declare_return_variable): Handle DECL_BY_REFERENCE.
4636         * cp/cp-gimplify.c (is_invisiref_parm): Also handle RESULT_DECL.
4637         (cp_genericize_r): Use convert_from_reference.
4638         Don't dereference a RESULT_DECL directly inside a RETURN_EXPR.
4639         (cp_genericize): Handle the RESULT_DECL.  Unset TREE_ADDRESSABLE.
4640
4641         * c-common.c (c_warn_unused_result): Check TREE_USED before
4642         warning about a CALL_EXPR with an unused value.
4643
4644 2004-08-06  Mark Mitchell  <mark@codesourcery.com>
4645
4646         * config/arm/symbian.h (CC1_SPEC): Avoid passing duplicate options
4647         to the compiler.  Use -fshort-wchar by default.
4648
4649 2004-08-06  Pat Haugen  <pthaugen@us.ibm.com>
4650
4651         * params.def (PARAM_MIN_CROSSJUMP_INSNS): New.
4652         * cfgcleanup.c (try_crossjump_to_edge): Add minimum insn match
4653         threshhold.
4654         * doc/invoke.texi (param): Document min-crossjump-insns.
4655
4656 2004-08-06  Richard Sandiford  <rsandifo@redhat.com>
4657
4658         PR c/13282
4659         * c.opt (Wmissing-field-initializers): New option.
4660         * c-opts.c (c_common_post_options): Make -Wextra turn it on by default.
4661         * c-typeck.c (pop_init_level): Guard the missing field warning with
4662         warn_missing_field_initializers rather than extra_warnings.
4663         * doc/invoke.texi (-Wmissing-field-initializers): Document, moving
4664         some of the explanation from...
4665         (-Wextra): ...here.  Say that the missing field warning can be
4666         seperately controlled by -Wmissing-field-initializers.
4667
4668 2004-08-06  Paolo Bonzini  <bonzini@gnu.org>
4669
4670         * expr.c (expand_expr_real_1) <ENTRY_VALUE_EXPR>: Remove.
4671         * tree-inline.c (estimate_num_insns_1) <ENTRY_VALUE_EXPR>: Remove.
4672         * tree-pretty-print.c (dump_generic_node) <ENTRY_VALUE_EXPR>: Remove.
4673         * tree.def (ENTRY_VALUE_EXPR): Remove.
4674
4675 2004-08-06  Jakub Jelinek  <jakub@redhat.com>
4676
4677         * config/i386/i386.c (ix86_expand_clrmem): Move gen_cld down to
4678         the places where it is actually needed.  Don't use repz; stosb
4679         for -Os with sufficiently small constant sizes.
4680         For sufficiently small repz; stos{l,q} repeat counts use a sequence
4681         of stos{l,q} instructions instead.
4682
4683 2004-08-06  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4684
4685         PR tree-optimization/16807
4686         * loop-iv.c (dump_iv_info): Dump invariants correctly.
4687         (iv_subreg, iv_extend): Express value of invariant purely in
4688         base field.
4689
4690 2004-08-06  Mark Mitchell  <mark@codesourcery.com>
4691
4692         * config/arm/symbian.h (CC1_SPEC): Add -fno-short-enums.
4693         (CC1PLUS_SPEC): Define it to be the same as CC1_SPEC.
4694
4695 2004-08-06  Roman Zippel  <zippel@linux-m68k.org>
4696
4697         * config/m68k/m68k.c (post_inc_operand,pre_dec_operand): New.
4698         * config/m68k/m68k.h (PREDICATE_CODES): add post_inc_operand,
4699         pre_dec_operand.
4700         * config/m68k/m68k.md (zero_extend*2): delay the splitting of the
4701         pattern until reload is finished to allow better code generation
4702         and split them completely into separate instrunctions.
4703         (*andsi3_split): New pattern.
4704
4705 2004-08-05  Mark Mitchell  <mark@codesourcery.com>
4706
4707         * tree.c (handle_dll_attribute): Move here from i383/winnt.c.
4708         Replace use of DECL_INLINE with DECL_DECLARED_INLINE_P.  Set
4709         DECL_VISIBLITY.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
4710         * tree.h (handle_dll_attribute): Declare.  Test
4711         TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
4712         * c-common.h (c_determine_visibility): Declare.
4713         * c-common.c (c_determine_visibility): New function.
4714         * c-decl.c (finish_decl): Use it.
4715         (finish_function): Likewise.
4716         * defaults.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define it to
4717         zero, by default.  Use #if, not #ifdef, to test it.
4718         * config/arm/arm.c (arm_attribute_table): Use
4719         handle_dll_attribute.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with
4720         #if.
4721         * config/arm/pe.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define to 1.
4722         * config/i386/cygming.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
4723         to 1.
4724         * config/i386/i386-protos.h (ix86_handle_dll_attribute): Remove.
4725         * config/i386/i386.c (ix86_attribute_table): Use
4726         handle_dll_attribute for dllimport/dllexport.  Test
4727         TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
4728         * config/i386/winnt.c (ix86_handle_dll_attribute): Remove.
4729         * config/mcore/mcore.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
4730         it to 1.
4731         * config/mcore/mcore.c (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Test it
4732         with #if.
4733         * config/sh/symbian-pre.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
4734         it to 1.
4735         * doc/extend.texi (dllexport): Clarify and correct documentation.
4736         (dllimport): Likewise.
4737         * doc/tm.texi (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Mention
4738         handle_dll_attribute.
4739
4740 2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4741
4742         * tree-ssa-loop-manip.c: New file.
4743         * Makefile.in (tree-ssa-loop-manip.o): Add.
4744         * tree-flow.h (rewrite_into_loop_closed_ssa, verify_loop_closed_ssa):
4745         Declare.
4746         * tree-ssa-loop.c (tree_loop_optimizer_init): Create loop closed ssa
4747         form.
4748         (tree_ssa_loop_done): Verify loop closed ssa form.
4749         * tree-ssa-loop-im.c (move_computations): Update loop closed ssa form.
4750
4751 2004-08-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4752
4753         * pa.c (pa_asm_output_aligned_bss, pa_asm_output_aligned_common,
4754         pa_asm_output_aligned_local): New functions.
4755         * pa-protos.h: Add prototypes for pa_asm_output_aligned_bss,
4756         pa_asm_output_aligned_common and pa_asm_output_aligned_local.
4757         * pa-pro-end.h (ASM_OUTPUT_ALIGNED_COMMON): Use
4758         pa_asm_output_aligned_common.
4759         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
4760         * pa.h (ASM_OUTPUT_ALIGNED_BSS): New macro.
4761         (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
4762         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
4763         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): New macro.
4764         (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
4765         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
4766         * som.h (MAX_OFILE_ALIGNMENT): Provide maximum alignment of global
4767         common data.
4768
4769 2004-08-05  Andrew Pinski  <apinski@apple.com>
4770
4771         * objc/objc-act.c (build_objc_string_object): Mark the address
4772         expression as constant.
4773
4774 2004-08-05  David Edelsohn  <edelsohn@gnu.org>
4775
4776         * config/rs6000/rs6000.c (rs6000_rtx_costs): Fix mask_operand
4777         and mask64_operand thinkos.  Handle ZERO_EXTRACT.  Handle
4778         SIGN_EXTEND / ZERO_EXTEND of MEM.  Handle rlwinm patterns.
4779
4780 2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>
4781
4782         * config/linux.h, config/i386/linux.h, config/sparc/linux.h:
4783         Remove definitions conditioned on USE_GNULIBC_1 or conditioned
4784         out, and associated obsolete comments.
4785
4786 2004-08-05  Nathan Sidwell  <nathan@codesourcery.com>
4787
4788         * tree.h (force_fit_type): Return a tree, take three flags.
4789         * fold-const.c (force_fit_type): Set TREE_OVERFLOW and
4790         TREE_CONSTANT_OVERFLOW here.
4791         (int_const_binop, const_binop): Adjust.
4792         (size_int_type): Do sign extension here.
4793         (fold_convert_const, optimize_bit_field_compare,
4794         decode_field_reference, all_ones_mask_p, fold_div_compare, fold,
4795         fold_negate_const, fold_abs_const, fold_not_const): Adjust.
4796         * tree.c (size_in_bytes, int_fits_type_p): Adjust.
4797
4798 2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4799
4800         PR tree-optimization/16864
4801         * tree-tailcall.c (eliminate_tail_call): Do not create phi nodes
4802         for ssa names without default_def.
4803
4804 2004-08-05  Richard Sandiford  <rsandifo@redhat.com>
4805
4806         * config/i386/i386.c (ix86_expand_prologue): If the function uses a
4807         frame pointer, restore eax with an ebp-relative address.
4808
4809 2004-08-04  Geoffrey Keating  <geoffk@apple.com>
4810
4811         PR 14516
4812         * c-common.c (c_expand_decl): Don't special-case static VAR_DECLs.
4813         * c-common.h (make_rtl_for_local_static): Delete.
4814         * c-decl.c (shadow_tag_warned): Clean up comment.
4815         (finish_decl): Clean up spacing.  Use set_user_assembler_name when
4816         appropriate.  Don't pass asmspec to rest_of_decl_compilation.
4817         * c-semantics.c (make_rtl_for_local_static): Delete.
4818         * expr.c (init_block_move_fn): Use set_user_assembler_name.
4819         (init_block_clear_fn): Likewise.
4820         * passes.c (rest_of_decl_compilation): Remove asmspec parameter,
4821         expect it to be in DECL_ASSEMBLER_NAME.  Update callers in many files.
4822         * toplev.h (rest_of_decl_compilation): Remove asmspec parameter.
4823         * tree.h (make_decl_rtl): Remove second parameter.
4824         (set_user_assembler_name): New.
4825         * varasm.c (set_user_assembler_name): New.
4826         (make_decl_rtl): Remove second parameter.  Update callers in many
4827         files.
4828
4829 2004-08-05  Adam Nemet  <anemet@lnxw.com>
4830
4831         * config.gcc (case i[34567]86-*-lynxos*): Update to LynxOS 4.0.
4832         (case rs6000-*-lynxos*): Rename it to powerpc-*-lynxos*.  Update
4833         to LynxOS 4.0.
4834         * gthr-lynx.h: New file.
4835         * config/lynx-ng.h: Remove file.
4836         * config/lynx.h: Update to LynxOS 4.0.
4837         * config/t-lynx: New file.
4838         * config/i386/lynx-ng.h: Remove file.
4839         * config/i386/lynx.h: Update to LynxOS 4.0.
4840         * config/rs6000/lynxbase.h: Remove file.
4841         * config/rs6000/lynx.h: Update to LynxOS 4.0.
4842         * config/rs6000/t-lynx: New file.
4843         * doc/install.texi (Options specification): Remove reference to
4844         LynxOS from systems where --with-gnu-as makes a difference.
4845
4846 2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>
4847
4848         * c-common.c (c_stddef_cpp_builtins): Define __INTMAX_TYPE__ and
4849         __UINTMAX_TYPE__.
4850         * c-cppbuiltin.c (builtin_define_stdint_macros): New.  Define
4851         __INTMAX_MAX__.
4852         (c_cpp_builtins): Call it.
4853         * doc/cpp.texi: Update.
4854
4855 2004-08-04  David Edelsohn  <edelsohn@gnu.org>
4856
4857         * config/rs6000/rs6000.c (rs6000_rtx_costs): LABEL_REFs are zero
4858         cost.
4859
4860 2004-08-04  Jan Hubicka  <jh@suse.cz>
4861
4862         * basic-block.h (profile_staus): New global variable.
4863         * cfg.c (profile_status): Declare.
4864         (check_bb_profile): Break out from ....; use profile_status
4865         (dump_flow_info): ... here.
4866         * cfgbuild.c (find_basic_blocks): Set profile_status.
4867         * cfgexpand.c (tree_expand_cfg): Likewise.
4868         * predict.c (estimate_probability): Likewise.
4869         * profile.c (branch_prob): Likewise.
4870         * tree-cfg.c (build_tree_cfg): Likewise.
4871         (dump_function_to_file): Use check_bb_profile.
4872         * tree-pretty-print (dump_bb_header): Likewise.
4873         * tree-profile.c (do_tree_profiling): Cleanup.
4874
4875 2004-08-04  Zack Weinberg  <zack@codesourcery.com>
4876
4877         * Makefile.in (RTL_BASE_H, RTL_H): Correct.
4878         (BUILD_RTL): Remove $(BUILD_PREFIX) from ggc-none.o.
4879         (genobjs): Add errors.o, ggc-none.o, and min-insn-modes.o.
4880         (read-rtl.o, gensupport.o, genconfig.o, genflags.o, gencodes.o)
4881         (genconstants.o, genemit.o, genopinit.o, genrecog.o, genextract.o)
4882         (genpeep.o, genattr.o, genattrtab.o, genautomata.o, genoutput.o)
4883         (genconditions.o): Depend on $(RTL_BASE_H) not $(RTL_H).
4884         (ggc-none.o, errors.o): Move rule to generators section;
4885         correct dependencies.
4886         (min-insn-modes.o): Move rule to generators section; remove
4887         unnecessary explicit command; correct dependencies.
4888         (print-rtl.o, print-rtl1.o): Correct dependencies.
4889         ($(BUILD_PREFIX_1)errors.o. $(BUILD_PREFIX_1)ggc-none.o): Delete rule.
4890         (mostlyclean): Update.
4891
4892         * errors.c: Include bconfig.h not config.h.  Correct comment.
4893         * gengtype.c, genpreds.c: Don't define NO_GENRTL_H.
4894         * ggc-none.c: Include bconfig.h; not config.h or tm.h.
4895         * print-rtl.c: Don't include tm_p.h.
4896
4897         * rtl.h: Move forward-decl of struct function down where it's
4898         needed.  Include genrtl.h #ifndef GENERATOR_FILE, not
4899         #ifndef NO_GENRTL_H.  Remove unnecessary #ifdef BUFSIZ statements.
4900
4901 2004-08-04  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4902             Jeff Law  <law@redhat.com>
4903
4904         * tree-cfg.c (tree_duplicate_bb): Mark duplicated definitions.
4905         * tree-flow.h (rewrite_ssa_into_ssa): Declaration changed.
4906         * tree-into-ssa.c (rewrite_ssa_into_ssa): Use new interface to
4907         manipulate the duplicated ssa names.
4908         * tree-ssanames.c (ssa_names_to_rewrite): New variable.
4909         (marked_for_rewrite_p, any_marked_for_rewrite_p, mark_for_rewrite,
4910         unmark_all_for_rewrite, marked_ssa_names, release_ssa_name_force):
4911         New functions.
4912         (release_ssa_name): Do not release ssa names that may have multiple
4913         definitions.
4914         * tree.h (release_ssa_name_force, mark_for_rewrite,
4915         unmark_all_for_rewrite, marked_for_rewrite_p, any_marked_for_rewrite_p,
4916         marked_ssa_names): Declare.
4917         * tree-ssa-loop-ch.c (mark_defs_for_rewrite): Remove.
4918         (duplicate_blocks): Remove call to mark_defs_for_rewrite.
4919         Update call to rewrite_ssa_into_ssa.
4920
4921 2004-08-04  Mark Mitchell  <mark@codesourcery.com>
4922
4923         * defaults.h (TARGET_DECLSPEC): New macro.
4924         * c-cppbuiltin.c (c_cpp_builtins): Handle TARGET_DECLSPEC.
4925         * config/arm/pe.h (SUBTARGET_CPP_SPEC): Remove __declspec support.
4926         * config/arm/symbian.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define.
4927         * config/i386/beof-elf.h (TARGET_OS_CPP_BUILTINS): Remove
4928         __declspec support.
4929         (TARGET_DECLSPEC): Define.
4930         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Remove
4931         __declspec support.
4932         * config/i386/i386-interix.h (TARGET_OS_CPP_BUILTINS): Remove
4933         __declspec support.
4934         (TARGET_DECLSPEC): Define.
4935         * config/mcore/mcore.h (TARGET_CPU_CPP_BUILTINS): Remove
4936         __declspec support.
4937         * config/sh/symbian-pre.h (SUBTARGET_CPP_SPEC): Remove __declspec
4938         support.
4939         * doc/tm.texi (TARGET_DECLSPEC): Document.
4940
4941         * doc/extend.texi: Fix typo in comment.
4942
4943 2004-08-04  Paul Brook  <paul@codesourcery.com>
4944
4945         * target-def.h (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
4946         (TARGET_CXX): Use it.
4947         * target.h (struct gcc_target): Add cdtor_returns_this.
4948         * config/arm/arm.c (arm_cxx_cdtor_returns_this): New function.
4949         (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
4950         * doc/tm.texi: Document TARGET_CXX_CDTOR_RETURNS_THIS.
4951
4952 2004-08-03  Nathan Sidwell  <nathan@codesourcery.com>
4953
4954         * c-lex.c (narrowest_unsigned_type, narrowest_signed_type): Take
4955         low/high pair. Do range checking directly.
4956         (interpret_integer): Adjust.
4957
4958 2004-08-04  Nick Clifton  <nickc@redhat.com>
4959
4960         * config/sh/sh.h (TARGET_SWITCHES): Add no-renesas to select the
4961         GCC ABI.
4962         * doc/invoke.texi: Document this new switch and also the -mrenesas
4963         switch.
4964
4965 2004-08-04  Nathan Sidwell  <nathan@codesourcery.com>
4966
4967         * cfglayout.c (insn_locators_initialize): Update the current
4968         location before initializing a location.
4969
4970 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
4971
4972         * dbxout.c (dbxout_function_decl): Always call dbxout_function_end.
4973         (dbxout_function_end): Return after emitting the "Lscope" symbol
4974         under the same conditions that this function formerly wasn't called.
4975         Add explanatory comments.
4976
4977         PR 14860
4978         * c-decl.c (record_builtin_type): Call debug_hooks->type_decl
4979         on the new decl.
4980
4981         PR 13956
4982         * dbxout.c (dbx_output_lbrac, dbx_output_rbrac): New
4983         functions, broken out of dbxout_block.
4984         (dbxout_block): The block at depth 0 should get LBRAC/RBRAC
4985         stabs too, if it contains symbols.  Use the begin_label and
4986         the Lscope label (emitted by dbxout_function_end) for the
4987         range of this block.
4988
4989 2004-08-03  Nathanael Nerode  <neroden@gcc.gnu.org>
4990
4991         * doc/install.texi: Update autoconf version requirements.
4992
4993 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
4994
4995         * defaults.h (LEGITIMATE_PIC_OPERAND_P): Provide default definition.
4996         * recog.c (general_operand, immediate_operand, nonmemory_operand)
4997         (asm_operand_ok): Remove #ifdefs on LEGITIMATE_PICOPERAND_P.
4998         * regclass.c (record_reg_classes): Likewise.
4999         * reload.c (find_reloads): Likewise.
5000         * reload1.c (reload): Likewise.
5001
5002 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
5003
5004         * gensupport.c (init_md_reader_args_cb): Renamed from
5005         init_md_reader_args.  Add third option, callback function for
5006         parsing program-specific options.  Add diagnosis of incorrect
5007         number of input files.
5008         (init_md_reader): Fold into init_md_reader_args_cb.
5009         (init_md_reader_args): Now a thin wrapper around
5010         init_md_reader_args_cb.
5011         * gensupport.h: Update prototypes.
5012
5013         * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
5014         * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
5015         * genrecog.c: No need to diagnose lack of an input file;
5016         init_md_reader_args will handle it.
5017         * genconditions.c: Likewise, and use init_md_reader_args.
5018         * genconstants.c: Likewise, and no need to call read_md_rtx.
5019
5020 2004-08-03  Joseph S. Myers  <jsm@polyomino.org.uk>
5021
5022         * c-decl.c (implicitly_declare): Diagnose incompatible implicit
5023         declarations.
5024
5025 2004-08-03  Mike Stump  <mrs@apple.com>
5026
5027         * config/darwin-c.c: Don't search in "/Local/Library/Frameworks"
5028         for frameworks.
5029         * doc/invoke.texi (Darwin Options): Update to reflect above.
5030
5031 2004-08-03  Roger Sayle  <roger@eyesopen.com>
5032
5033         PR middle-end/16790
5034         * fold-const.c (extract_muldiv_1) <NOP_EXPR>: Disallow local
5035         truncations, not just global truncations.
5036
5037 2004-08-03  Andrew Pinski  <apinski@apple.com>
5038
5039         PR bootstrap/16865
5040         * loop-iv.c (simplify_using_assignment): Initialize lhs.
5041
5042 2004-08-03  Paul Brook  <paul@codesourcery.com>
5043
5044         * gcc/doc/install.texi: Document MPFR requirement.
5045
5046 2004-08-03  Maciej W. Rozycki  <macro@linux-mips.org>
5047
5048         * aclocal.m4 (gcc_AC_FUNC_MMAP_BLACKLIST): Check for <sys/mman.h>
5049         and mmap() explicitly instead of relying on preset autoconf cache
5050         variables.
5051         * configure: Regenerate.
5052
5053 2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>
5054
5055         PR target/16570
5056         * config.gcc (i[34567]86-*-* | x86_64-*-*): Add i386/t-gmm_malloc
5057         to tmake_file.
5058         (i[34567]86-*-linux*aout* | i[34567]86-*-linux*libc1): Likewise.
5059         (i[34567]86-*-linux* | x86_64-*-linux*): Add i386/t-pmm_malloc
5060         to tmake_file.
5061
5062         * config/i386/t-gmm_malloc: New file.
5063         * config/i386/t-pmm_malloc: Likewise.
5064
5065         * config/i386/xmmintrin.h: Include <mm_malloc.h>.
5066
5067 2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>
5068             Tanguy Fautrà <tfautre@pandora.be>
5069
5070         * config/i386/pmm_malloc.h: New file.
5071
5072 2004-08-03  Danny Smith  <dannysmith@users.sourceforge.net>
5073
5074         * config/i386/gmm_malloc.h: New file.
5075
5076 2004-08-03  Dale Johannesen  <dalej@apple.com>
5077
5078         * config/rs6000/rs6000.c (machopic_output_stub):  Align Darwin stubs.
5079         * c-common.c: Include opts.h.
5080         (c_common_get_alias_set): Fix check for a single input file.
5081         * toplev.c: Remove current_file_decl.
5082         * tree.h: Ditto.
5083
5084 2004-08-03  Mark Mitchell  <mark@codesourcery.com>
5085
5086         * config.gcc (arm*-*-symbianelf*): New target.
5087         * config/arm/symbian.h: New file.
5088
5089         * gthr-gnat.c: Add visibility #pragmas.
5090         * gthr-gnat.h : Likewise.
5091         * gthr.h: Likewise.
5092         * libgcc2.c (__ffsSI2): Move prototype to libgcc2.h.
5093         (__ffsDI2): Likewise.
5094         (__clzSI2): Likewise.
5095         (__ctzSI2): Likewise.
5096         (__ctzDI2): Likewise.
5097         (__popcountSI2): Likewise.
5098         (__popcountDI2): Likewise.
5099         (__paritySI2): Likewise.
5100         (__parityDI2): Likewise.
5101         * libgcc2.h: Add visibility #pragmas.
5102         (__clzDI2): Add prototype.
5103         (__clzSI2): Likewise.
5104         (__ctzSI2): Likewise.
5105         (__ffsDI2): Likewise.
5106         (__ffsSI2): Likewise.
5107         (__ctzDI2): Likewise.
5108         (__popcountSI2): Likewise.
5109         (__popcountDI2): Likewise.
5110         (__paritySI2): Likewise.
5111         (__parityDI2): Likewise.
5112         * unwind-dw2-fde.h: Add visibility #pragmas.
5113         * unwind.h: Likewise.
5114
5115 2004-08-03  David Edelsohn  <edelsohn@gnu.org>
5116             Dale Johannesen  <dalej@apple.com>
5117             Roger Sayle  <roger@eyesopen.com>
5118
5119         * config/rs6000/rs6000.c (rs6000_rtx_costs): Calculate cost of
5120         constants more accurately.  Adjust costs for FMA instructions.
5121         Add cases for most logical and float operations.  Recurse into
5122         most operands.
5123
5124 2004-08-03  Richard Earnshaw  <rearnsha@arm.com>
5125
5126         * config.gcc (strongarm-*, xscale-*): Add t-arm to tmake_files.
5127
5128 2004-08-03  Pat Haugen  <pthaugen@us.ibm.com>
5129
5130         * ra-build.c (conflicts_between_webs): For webs that cross a call add
5131         conflicts to regs_invalidated_by_call.
5132
5133 2004-08-03  Paul Brook  <paul@codesourcery.com>
5134
5135         * config/arm/arm.c (emit_sfm): Only emit a single frame adjustment.
5136
5137 2004-08-03  Jan Hubicka  <jh@suse.cz>
5138
5139         * coverage.c (tree_coverage_counter_ref): Fix computation of the new
5140         ARRAY_REF argument.
5141
5142 2004-08-03  Richard Earnshaw  <rearnsha@arm.com>
5143
5144         * arm-cores.def: Sort by architecture.  Add arm946es, arm966es,
5145         arm968es, arm10e, arm1020e, arm1022e.
5146         * invoke.texi: Update list of ARM cores.
5147         * arm-tune.md: Regenerate.
5148
5149 2004-08-03  Richard Earnshaw <rearnsha@arm.com>
5150
5151         * arm/gentune.sh: New file.
5152         * arm/t-arm: New file.
5153         * arm/arm-tune.md: New file (autogenerated).
5154         * config.gcc (arm*-*-*): Add t-arm to tmake_file for all variants.
5155         * arm.md (attribute tune): Delete.  Include arm-tune.md.
5156
5157 2004-08-03  Paolo Bonzini <bonzini@gnu.org>
5158
5159         * gcc.c (add_prefix, add_sysrooted_prefix): Remove
5160         penultimate parameter.  All callers adjusted.
5161         (struct prefix_list): Remove used_flag_ptr.
5162         (find_a_file): Do not set *pl->used_flag_ptr.
5163         (warn_B, warn_std_ptr): Remove.
5164
5165 2004-08-03  Yossi Markovich <yossim@il.ibm.com>
5166             Mostafa Hagog <mustafa@il.ibm.com>
5167
5168         * config/rs6000/altivec.md (altivec_vnmsubfp): Fix wrong pattern.
5169
5170 2004-08-02  Geoffrey Keating  <geoffk@apple.com>
5171
5172         * dwarf2out.c (output_call_frame_info): Don't change data format
5173         due to TARGET_USES_WEAK_UNWIND_INFO.  Always refer to the local
5174         label.  Use 'true' not '1'.
5175         * doc/install.texi (powerpc-*-darwin*): Mention cctools version
5176         required.
5177
5178 2004-08-02  Gabriel Dos Reis  <gdr@cs.tamu.edu>
5179
5180         * gdbinit.in: Reflect previous changes to rtunion_def.
5181
5182 2004-08-02  Roger Sayle  <roger@eyesopen.com>
5183
5184         * fold-const.c (fold) <TRUNC_MOD_EXPR>: The transformation "X % -Y"
5185         -> "X % Y" is only valid for TRUNC_MOD_EXPR.
5186
5187 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
5188
5189         * vec.h (DEF_VEC_P): Add proper cast to uses of vec_o_reserve and
5190         vec_p_reserve.
5191         * langhooks.h (lang_hooks::builtin_function): Rename parameter
5192         from "class" to "bt_class".
5193
5194 2004-08-02  Paul Brook  <paul@codesourcery.com>
5195
5196         PR rtl-optimization/15068
5197         * flow.c (init_propagate_block_info): Check condition is reversible.
5198
5199 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
5200
5201         * gengtype.h (options::info): Change type to const char *.
5202         (enum gc_used_enum): Move out of struct type scope.
5203         * gengtype.c (create_option): Convert initializer for option::info to
5204         appropiate type.
5205         (adjust_field_type, walk_type, write_func_for_structure,
5206         write_root, write_roots): Remove pointless cast.
5207
5208 2004-08-02  J"orn Rennecke <joern.rennecke@superh.com>
5209
5210         * genopinit.c (gen_insn): Check for MODE_COMPLEX_FLOAT patterns for $F.
5211
5212 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
5213
5214         * rtl.h (union rtunion_def): Have all members  start with the
5215         prefix "rt_".
5216         (XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE, XBBDEF, XTMPL,
5217         X0INT, X0UINT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
5218         X0MEMATTR, X0BBDEF, X0REGATTR, XCINT, XCUINT, XCSTR, XCEXP,
5219         XCVEC, XCMODE, XCBITMAP, XCTREE, XCBBDEF, XC2EXP): Adjust members
5220         access.
5221         * gengtype.c (adjust_field_rtx_def): Likewise.
5222         * rtlanal.c (loc_mentioned_in_p): Likewise.
5223
5224 2004-08-02  Richard Sandiford  <rsandifo@redhat.com>
5225
5226         * config.gcc (mips*-*-elf*, mips*-*-rtems*): Add elfos.h to tm_file.
5227         Replace uses of mips/elf64.h with mips/elf.h
5228         * config/mips/elf.h (MAX_OFILE_ALIGNMENT, TARGET_ASM_NAMED_SECTION)
5229         (TYPE_OPERAND_FMT, TYPE_ASM_OP, SIZE_ASM_OP, BSS_SECTION_ASM_OP)
5230         (ASM_OUTPUT_ALIGNED_BSS, ASM_WEAKEN_LABEL, ASM_OUTPUT_WEAK_ALIAS)
5231         (MAKE_DECL_ONE_ONLY, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP)
5232         (HANDLE_SYSV_PRAGMA): Delete.
5233         (ASM_OUTPUT_DEF): Fix formatting.
5234         * config/mips/elf64.h: Delete.
5235
5236 2004-08-01  Zack Weinberg  <zack@codesourcery.com>
5237
5238         * config/ia64/ia64.c (got_symbolic_operand): Do require a
5239         symbol+offset operand to have its offset be zero mod 0x3fff
5240         when GOT entries are in use.  Clarify logic in SYMBOL_REF
5241         case.  Clarify comments.
5242         (ia64_expand_load_address): Split a symbol+offset load when
5243         the offset is nonzero mod 0x3fff, not 0x1fff.
5244
5245 2004-08-01  Geoffrey Keating  <geoffk@apple.com>
5246
5247         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Just abort
5248         if trying to *store* to a non-offsettable address.
5249         * config/rs6000/rs6000.md (movtf_internal): Don't move GPRs to
5250         a nonoffsettable address.
5251         (movdi_internal32): Don't move GPRs to a nonoffsettable address.
5252         Clean up.
5253         (movti_string): Don't move GPRs to a nonoffsettable address.
5254         (movti_ppc64): Don't move GPRs to a nonoffsettable address.  Clean up.
5255
5256 2004-08-02  Ben Elliston  <bje@au.ibm.com>
5257
5258         PR target/16155
5259         * config/rs6000/altivec.h: Replace typeof with __typeof__.
5260
5261 2004-08-01  Richard Henderson  <rth@redhat.com>
5262
5263         * expr.c (expand_expr_real_1) <normal_inner_ref>: Fix crash with
5264         variable sized types.
5265
5266 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
5267
5268         * doc/invoke.texi: In the MIPS options section, remove the passage
5269         saying that -mexplicit-relocs is usually disabled for -mabicalls
5270         -fno-unit-at-a-time.
5271         * config/mips/mips.c (override_options): Remove the code that enforced
5272         this rule.
5273
5274 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
5275
5276         * config/mips/mips.md (cprestore): Provide two alternatives, one for
5277         an in-range offset and one for an out-of-range offset.  Wrap the latter
5278         in .set macro/.set nomacro if it's inside a .set nomacro block.
5279
5280 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
5281
5282         * config/mips/mips-protos.h (mips_gp_save_slot): Remove.
5283         (mips_restore_gp): Declare.
5284         * config/mips/mips.c (mips_add_offset): Add a scratch register
5285         argument.  Reimplement in rtl only, reusing MIPS16 logic from
5286         mips_output_mi_thunk.
5287         (mips_legitimize_address, mips_legitimize_const_move): Adjust calls
5288         to mips_add_offset.
5289         (mips_gp_save_slot): Delete.
5290         (mips_restore_gp): New function.
5291         (mips_set_return_address, mips_output_mi_thunk): Use mips_add_offset.
5292         * config/mips/mips.md (exception_receiver): Turn into a
5293         define_insn_and_split.  Use mips_restore_gp to do the split.
5294         (call_internal, call_value_internal, call_value_multiple_internal): Use
5295         mips_restore_gp to restore $gp.
5296
5297 2004-07-31  Andrew Pinski  <apinski@apple.com>
5298
5299         PR other/16842
5300         * mkheaders.in (libsubdir): s/gcc-lib/gcc/.
5301
5302 2004-07-31  Joseph S. Myers  <jsm@polyomino.org.uk>
5303
5304         * c-decl.c (diagnose_mismatched_decls): Give error for external
5305         redeclaration of identifier declared with no linkage, not just
5306         warning with -Wtraditional.  Do not check DECL_CONTEXT to give
5307         error for redeclaration with no linkage.
5308
5309 2004-07-30  Geoffrey Keating  <geoffk@apple.com>
5310             Fariborz Jahanian <fjahanian@apple.com>
5311
5312         * config/rs6000/rs6000.c (legitimate_lo_sum_address_p): Permit
5313         non-offsettable addresses even for DImode.
5314         (rs6000_split_multireg_move): Cope with non-offsettable addresses
5315         being moved into multiple GPRs.
5316
5317         * config/rs6000/rs6000.c (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Default
5318         to 64.
5319         (rs6000_override_options): Use RS6000_DEFAULT_LONG_DOUBLE_SIZE.
5320         * config/rs6000/darwin.h (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define
5321         to 128.
5322         * config/rs6000/darwin-ldouble.c (isless): New macro.
5323         (inf): New macro.
5324         (nonfinite): New macro.
5325         (FPKINF): Delete.
5326         (_xlqadd): Completely rewrite.
5327         (_xlqmul): Correct overflow handling.
5328         (_xlqdiv): Correct overflow handling.
5329         * config/rs6000/darwin-ldouble-format: New file.
5330
5331 2004-07-30  Roger Sayle  <roger@eyesopen.com>
5332             Richard Henderson  <rth@redhat.com>
5333
5334         * config/i386/i386.md: New peephole2's to convert imul by 3, 5 or
5335         9 into the equivalent lea instruction.
5336
5337 2004-07-30  Richard Henderson  <rth@redhat.com>
5338
5339         * gimplify.c (gimplify_expr) <case CONST_DECL>: Don't replace
5340         with DECL_INITIAL if fb_lvalue.
5341         * tree-gimple.c (is_gimple_id): Add CONST_DECL.
5342         * tree-pretty-print.c (dump_decl_name): Dump unnamed CONST_DECL
5343         with <Cxxx>.
5344         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Fold CONST_DECL.
5345
5346 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
5347
5348         * tree-ssa-alias.c (compute_points_to_and_addr_escape): If a
5349         pointer escapes through a function call, assume that the
5350         callee will dereference it.
5351         (add_pointed_to_var): Assume that VALUE is always an
5352         ADDR_EXPR.
5353         (collect_points_to_info_r): Only call add_pointed_to_var if
5354         the value is an ADDR_EXPR.
5355
5356 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
5357
5358         * tree-ssa-alias.c (create_alias_map_for): Do not get the
5359         alias set of the inner type of ARRAY_TYPEs.
5360
5361 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
5362
5363         * tree-ssa-ccp.c (visit_assignment): Move code to prevent
5364         setting a non-register to UNDEFINED right before the call to
5365         set_lattice_value.
5366
5367 2004-07-29  Kaz Kojima  <kkojima@gcc.gnu.org>
5368
5369         * config/sh/lib1funcs.asm: Make aliases movstr* for movmem*.
5370
5371 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
5372
5373         * tree-ssa.c (verify_flow_sensitive_alias_info): When
5374         comparing points-to sets of different pointers, make sure the
5375         second pointer is actually referenced in the code.
5376
5377 2004-07-29  Zack Weinberg  <zack@codesourcery.com>
5378
5379         * config/ia64/ia64.c (setjmp_operand): Delete, unused.
5380         (got_symbolic_operand): Remove unreachable code.
5381         * config/ia64/ia64.h (PREDICATE_CODES): Remove entry for
5382         setjmp_operand; add entry for tls_symbolic_operand.
5383         * config/ia64/ia64-protos.h: Remove all prototypes of
5384         predicate functions.
5385
5386 2004-07-29  Mark Mitchell  <mark@codesourcery.com>
5387
5388         * c-common.h (lang_post_pch_load): New variable.
5389         * c-pch.c (lang_post_pch_load): Define it.
5390         (c_common_read_pch): Use it.
5391         * cgraphunit.c (record_call_1): Give the front end a chance to
5392         record additional needed entities when a variable is marked as
5393         needed.
5394         * tlink.c (recompile_files): Robustify.
5395         (scan_linker_output): If a symbol is assigned to a file,
5396         but after recompilation is not present there, issue an error
5397         message.
5398
5399 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5400
5401         * tree-ssa-loop-im.c (force_move_till_expr, force_move_till):
5402         Take orig_loop argument and pass it to set_level.
5403         (schedule_sm): Pass the correct orig_loop to force_move_till.
5404
5405 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5406
5407         * cfgloop.c (update_latch_info): Update dominator of the new block.
5408         (canonicalize_loop_headers, flow_loops_find): Do not free dominance
5409         info.
5410         * dominance.c (verify_dominators): Check that the dominance tree is
5411         connected.
5412         (recount_dominator): Ignore unreachable blocks.
5413         (iterate_fix_dominators): Cleanup old dominance information before
5414         recomputing it.
5415
5416 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
5417
5418         * tree-ssa-operands.c (get_expr_operands): Revert changes
5419         to ADDR_EXPR processing introduced by:
5420             2004-06-21  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5421             * tree-ssa-operands.c (get_expr_operands): Minor rearrangements.
5422
5423 2004-07-29  Joseph S. Myers  <jsm@polyomino.org.uk>
5424
5425         * doc/implement-c.texi: Add C90 subclause references.  Point to
5426         preprocessor documentation instead of duplicating it.  Add points
5427         only present in C90.  Fill in documentation for all points.
5428
5429 2004-07-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5430
5431         * pa.c (output_movb): Correct typo.
5432
5433 2004-07-29  Pat Haugen  <pthaugen@us.ibm.com>
5434
5435         * ra.h (single_reg_in_regclass): Declare.
5436         * ra.c (single_reg_in_regclass): Define.
5437         (first_hard_reg): New.
5438         (init_ra): Initialize single_reg_in_regclass.
5439         * ra-colorize.c (ok_class): New.
5440         (coalesce, aggressive_coalesce, extended_coalesce_2): Use it.
5441
5442 2004-07-29  Nathan Sidwell  <nathan@codesourcery.com>
5443
5444         * gcov-io.h: Allow zero tag as EOF indicator.
5445         (gcov_is_eof): Remove.
5446         (gcov_truncate): Remove.
5447         * gcov-io.c (gcov_seek): Always SEEK_SET.
5448         * libgcov.c (gcov_exit): Don't use gcov_truncate.  Write explicit
5449         EOF tag.
5450         * coverage.c (read_counts_file): Don't use gcov_is_eof.
5451         * gcov-dump.c (dump_file): Likewise.
5452         * gcov.c (read_graph_file, read_count_file): Likewise.
5453
5454         * c-decl.c (complete_array_type): Don't gratuitously copy
5455         maxindex.  Check it always has a type.
5456
5457 2004-07-29  Steven Bosscher  <stevenb@suse.de>
5458
5459         * rtl.c (currently_expanding_to_rtl): New.
5460         * rtl.h (currently_expanding_to_rtl): Export it.
5461         * cfgexpand.c (tree_cfg_expand): Set/clear it at entry/exit.
5462
5463         * config/alpha/alpha.c (alpha_expand_mov): Remove old RTL
5464         inliner hack.
5465         * config/sh/sh.c: Replace rtx_equal_function_value_matters
5466         with currently_expanding_to_rtl.
5467         * config/sh/sh.md: Likewise.
5468         * config/ia64/ia64.c (got_symbolic_operand): Likewise.
5469
5470 2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
5471
5472         Introduce sh2a support.
5473         2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
5474         * config.gcc: Build multilibs for sh2a and sh2a-single by
5475         default.
5476         * config/sh/sh.h (SUPPORT_SH2A, SUPPORT_SH2A_SINGLE): Define by
5477         default.  Split their tests out of the corresponding SH4
5478         multilibs.
5479         * config/sh/t-sh (MULTILIB_MATCHES): Don't ever use SH4 or SH4a
5480         multilibs for SH2a.
5481         2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
5482         * config.gcc: Handle sh2a multilibs and cpu selection.
5483         * config/sh/sh.h: Likewise.  Handle sh2a command line flags.
5484         * config/sh/t-mlib-sh2a: New.
5485         * config/sh/t-mlib-sh2a-nofpu: New.
5486         * config/sh/t-mlib-sh2a-single: New.
5487         * config/sh/t-mlib-sh2a-single-only: New.
5488         2004-07-09  Nick Clifton  <nickc@redhat.com>
5489         Issue 43400
5490         * config/sh/sh.h (DRIVER_SELF_SPECS): Issue an error message if
5491         -ml and -m2a are used together.
5492         2004-03-23  DJ Delorie  <dj@redhat.com>
5493         * config/sh/sh.c (sh_builtin_saveregs): Use the double code only
5494         when we have a double-sized FPU.
5495         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
5496         * config/sh/lib1funcs.asm (set_fpscr): Don't build if __SH2A_NOFPU__
5497         is set.
5498         * config/sh/elf.h (SUBTARGET_ASM_ISA_SPEC): Add cases for -msh2a-nofpu,
5499         -msh2a-single and -msh2a-single-only
5500         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
5501         * config/sh/crt1.asm: Don't generate FPU instructions if __SH2A_NOFPU__
5502         is set.
5503         2004-02-20  DJ Delorie  <dj@delorie.com>
5504         * config/sh/sh.md (movsf_i, movsf_ie, movsf, ble, bge): Disable for sh2a-nofpu.
5505         2004-02-20  Fred Fish <fnf@redhat.com>,
5506         Corinna Vinschen <vinschen@redhat.com>
5507         * config/sh/t-sh (MULTILIB_OPTIONS): Add 2a-nofpu.
5508         (MULTILIB_EXCEPTIONS): Don't build littel-endian on sh2a.
5509         2004-02-18  DJ Delorie  <dj@redhat.com>
5510         * config/sh/sh.c (broken_move): Add support for movi20.
5511         * config/sh/sh.h: Likewise.
5512         (SHIFT_COUNT_TRUNCATED): Set for sh2a.
5513         * config/sh/sh.md (udivsi3_sh2a): New.
5514         (udivsi3): Call it.
5515         (divsi3_sh2a): New.
5516         (divsi3): Call it.
5517         (mul_r): New.
5518         (ashlsi3_sh2a): New.
5519         (ashrsi3_sh2a): New.
5520         (lshrsi3_sh2a): New.
5521         (movsi_i): Disable for sh2a.
5522         (movsi_ie): Add movi20.
5523         (movsf_i, movsf_ie, movsf, ble, untyped_call): Explicitly enable
5524         sh2a, for -m2a-nofpu mode.
5525         2004-02-13  DJ Delorie  <dj@redhat.com>
5526         * config/sh/lib1funcs.asm: Handle double vs single better.
5527         * config/sh/sh.h: Likewise.
5528         2004-02-09  DJ Delorie  <dj@redhat.com>
5529         * config/sh/crt1.asm: Add support for sh2a.
5530         * config/sh/elf.h: Likewise.
5531         * config/sh/lib1funcs.asm: Likewise.
5532         * config/sh/sh.c: Likewise.
5533         * config/sh/sh.md: Likewise.
5534         * config/sh/sh.h: Likewise.
5535         * config/sh/t-sh: Likewise.
5536
5537 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
5538
5539         * config/frv/frv.md (movqi_internal, movhi_internal,
5540         movsi_internal): Add backup alternatives for memory inputs.
5541
5542 2004-07-28  Matt Austern  <austern@apple.com>
5543
5544         * config/darwin.c (darwin_one_byte_bool): New global variable.
5545         * config/darwin.h (darwin_one_byte_bool): Declare.
5546         (SUBTARGET_OPTIONS): Define macro.  (for -mone-byte-bool flag.)
5547         * config/rs6000/darwin.h (BOOL_TYPE_SIZE): Conditionalize on
5548         value of darwin_one_byte_bool.
5549         * doc/invoke.texi: Document -mone-byte-bool flag.
5550
5551 2004-07-28  Eric Christopher  <echristo@redhat.com>
5552
5553         * c-common.c (c_common_unsafe_for_reeval): Delete.
5554         * c-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete use.
5555         * c-pretty-print.c (pp_c_expression): Delete UNSAVE_EXPR case.
5556         * calls.c (fix_unsafe_tree): Delete.
5557         (expand_call): Delete code which used above.
5558         * dojump.c (do_jump): Delete UNSAVE_EXPR case.
5559         * expr.c (expand_expr_real_1): Ditto.
5560         * fold-const.c (non_lvalue): Ditto.
5561         * langhooks-def.h (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
5562         (lhd_unsafe_for_reeval): Ditto.
5563         * langhooks.c (lhd_unsafe_for_reeval): Ditto.
5564         * langhooks.h (unsafe_for_reeval): Ditto.
5565         (unsave_expr_now): Adjust comment.
5566         * tree-inline.c (copy_body_r): Delete UNSAVE_EXPR bits.
5567         (estimate_num_insns_1): Ditto.
5568         * tree-pretty-print.c (dump_generic_node): Ditto.
5569         * tree.c (expr_align): Ditto.
5570         (unsave_expr): Delete.
5571         (unsafe_for_reeval): Ditto.
5572         * tree.h (unsafe_for_reeval, unsave_expr): Ditto.
5573         * tree.def (UNSAVE_EXPR): Delete.
5574         * objc/objc-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
5575
5576 2004-07-28  Zack Weinberg  <zack@codesourcery.com>
5577
5578         * tree.h (enum tls_model): Move ...
5579         * coretypes.h: ... here.
5580
5581 2004-07-28  Richard Sandiford <rsandifo@redhat.com>
5582
5583         * config/frv/frv.h (EPILOGUE_USES): New.  Use LR.
5584
5585 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
5586
5587         * cse.c (validate_canon_reg): New function, split out from...
5588         (canon_reg): ...here.  Use validate_canon_reg for both 'e' and 'E'.
5589
5590 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
5591
5592         * tree-ssa-alias.c (maybe_create_global_var): Don't just
5593         return if .GLOBAL_VAR has been created.
5594
5595 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
5596
5597         * tree-ssa.c (verify_flow_insensitive_alias_info): Process
5598         every variable that may have aliases, not just tags.
5599
5600 2004-07-28  Aldy Hernandez  <aldyh@redhat.com>
5601
5602         * config/rs6000/rs6000.md ("move_from_CR_gt_bit"): Rename to
5603         move_from_CR_eq_bit.
5604         Rename UNSPEC_MV_CR_GT to UNSPEC_MV_CR_EQ.
5605
5606
5607         * config/rs6000/spe.md ("e500_flip_gt_bit"): Rename to
5608         e500_flip_eq_bit.
5609
5610         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_gt_bit to
5611         output_e500_flip_eq_bit.
5612
5613         * config/rs6000/rs6000.c (output_e500_flip_gt_bit): Rename to
5614         output_e500_flip_eq_bit.
5615         (rs6000_emit_sCOND): Rename call to output_e500_flip_gt_bit to
5616         output_e500_flip_eq_bit.
5617         Rename gen_move_from_CR_gt_bit to gen_move_from_CR_eq_bit.
5618         (print_operand): case D.  Get to EQ bit.
5619
5620 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
5621
5622         * gcov.c (function_summary): Add missing \n.
5623
5624 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
5625
5626         Introduce sh4a support.
5627         * config.gcc: Handle sh4a multilibs and cpu selection.
5628         * config/sh/sh.h: Likewise.  Handle sh4a command line flags.
5629         * config/sh/t-mlib-sh4a: New.
5630         * config/sh/t-mlib-sh4al: New.
5631         * config/sh/t-mlib-sh4a-nofpu: New.
5632         * config/sh/t-mlib-sh4a-single: New.
5633         * config/sh/t-mlib-sh4a-single-only: New.
5634         2004-02-20  DJ Delorie  <dj@redhat.com>
5635         * config/sh/sh.md ("movua"): Change constraint from "m" to "Sua".
5636         * config/sh/sh.h (EXTRA_CONSTRAINT_S): Add "Sua" support.
5637         2003-08-22  Eric Christopher  <echristo@redhat.com>
5638         * config/sh/sh4a.md: Update for chip errata.
5639         2003-08-07  Eric Christopher  <echristo@redhat.com>
5640         * config/sh/sh4a.md: New file. sh4a processor description.
5641         2003-07-08  Alexandre Oliva  <aoliva@redhat.com>
5642         * config/sh/sh.h (TARGET_SWITCHES): Added 4al.  Adjust description
5643         of -m4a-nofpu.
5644         (SH_ASM_SPEC): Pass -dsp for -m4al, not -m4a-nofpu.
5645         * config/sh/t-sh (MULTILIB_MATCHES): Map -m4al to -m4a-nofpu.
5646         * doc/invoke.texi (SH Options): Document -m4al.
5647         2003-07-03  Alexandre Oliva  <aoliva@redhat.com>
5648         * config/sh/sh.c (expand_block_move): Remove commented-out code
5649         checked in by mistake.
5650         (sh_cannot_change_mode_class): Enable SUBREGs to be used to select
5651         single elements from SFmode vectors.
5652         * config/sh/sh.md (fsca): Use VEC_CONCAT to initialize the output
5653         register.
5654         (sinsf2, cossf2, sindf2, cosdf2): Don't emit CLOBBER.
5655         2003-07-01  Alexandre Oliva  <aoliva@redhat.com>
5656         * config/sh/sh.h (sh_fsca_sf2int, sh_fsca_df2int,
5657         sh_fsca_int2sf): Remove variable declarations.
5658         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
5659         sh_fsca_int2sf): New functions.
5660         (sh_fsca_sf2int_rtx, sh_fsca_df2int_rtx,
5661         sh_fsca_int2sf_rtx): New static variables.
5662         * config/sh/sh-protos.h (sh_fsca_sf2int, sh_fsca_df2int,
5663         sh_fsca_int2sf): Declare.
5664         * config/sh/sh.md: Adjust.
5665         * doc/invoke.texi (SH Options): Document new options.
5666         * config/sh/lib1funcs.asm (ic_invalidate): Remove SH4a forward
5667         compatibility from SH4 code.
5668         2003-06-27  Alexandre Oliva  <aoliva@redhat.com>
5669         * config/sh/sh.c (expand_block_move): Don't emit POST_INC too
5670         early.
5671         (memory_movsrc_operand): Renamed to...
5672         (unaligned_load_operand): ... this.  Simplified.
5673         * config/sh/sh.h (PREDICATE_CODES): Adjust.
5674         * config/sh/sh.md (movua, extv, extzv): Likewise.  Change movua's
5675         input operand to SImode, and adjust the others.  Introduce
5676         post-increment by peephole.
5677         * config/sh/sh.c (expand_block_move): Give the target address the
5678         same mode as the temp reg.
5679         * config/sh/sh.c (expand_block_move): Use a temp reg for unaligned
5680         copying.
5681         2003-06-26  Alexandre Oliva  <aoliva@redhat.com>
5682         Introduce support for SH4a.
5683         * config/sh/lib1funcs.asm (ic_invalidate): Use icbi if
5684         __SH4A__.  Emit 4 4kb blocks and touch all of them otherwise.
5685         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
5686         sh_fsca_int2sf): New.
5687         (sh_init_builtins): Initialize them.
5688         (print_operand): Support `d'.
5689         (expand_block_move): Use movua if src is misaligned.
5690         (memory_movsrc_operand): New.
5691         * config/sh/sh.h (TARGET_CPU_CPP_BUILTINS): Define __SH4A__
5692         and one of the SH4 macros.
5693         (SH4A_BIT, TARGET_SH4A_ARCH, TARGET_SH4A_FP,
5694         SELECT_SH4A_NOFPU, SELECT_SH4A_SINGLE_ONLY, SELECT_SH4A,
5695         SELECT_SH4A_SINGLE): New.
5696         (TARGET_NONE): Add SH4A_BIT.
5697         (TARGET_SWITCHES): Add 4a-single-only, 4a-single, 4a-nofpu and 4a.
5698         (SH_ASM_SPEC): Pass -dsp if -m4a-nofpu.
5699         (sh_fsca_sf2int, sh_fsca_df2int, sh_fsca_int2sf): Declare.
5700         (OVERRIDE_OPTIONS): Set cpu to CPU_SH4A when appropriate.
5701         (enum processor_type): Added PROCESSOR_SH4A.
5702         (PREDICATE_CODES): Add memory_movsrc_operand.
5703         * config/sh/sh.md: Removed unused variables.
5704         (attr cpu): Add sh4a.
5705         (attr type): Add movua, fsrra and fsca.
5706         (prefetch): New, for SH4.
5707         (ic_invalidate_line, ic_invalidate_line_sh4a): Use icbi.
5708         (toggle_sz): Set type to fp.
5709         (toggle_pr, rsqrtsf2, fsca, sinsf2, cossf2, sindf2, cosdf2): New.
5710         (movua, extv, extzv): New.
5711         * config/sh/t-sh: Add multilibs for 4a, 4a-nofpu, 4a-single
5712         and 4a-single-only.
5713
5714 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
5715
5716         * tree-optimize.c (init_tree_optimization_passes): Schedule
5717         pass_may_alias right after the program is renamed into SSA.
5718         * tree-pass.h (PROP_alias): Define.
5719         * tree-outof-ssa.c (pass_del_ssa): Require PROP_alias.
5720         * tree-sra.c (pass_sra): Likewise.
5721         * tree-ssa-ccp.c (pass_ccp): Likewise.
5722         * tree-ssa-copyrename.c (pass_rename_ssa_ccp): Likewise.
5723         * tree-ssa-dce.c (pass_dce): Likewise.
5724         * tree-ssa-dom.c (pass_dominator): Likewise.
5725         * tree-ssa-dse.c (pass_dse): Likewise.
5726         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
5727         * tree-ssa-loop-ch.c (pass_ch): Likewise.
5728         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
5729         * tree-ssa-pre.c (pass_pre): Likewise.
5730         * tree-tailcall.c (pass_tail_recursion): Likewise.
5731         * tree-ssa.c (pass_redundant_phi): Likewise.
5732         * tree-ssa-alias.c (aliases_computed_p): Remove.
5733         Update all users.
5734         (init_alias_info): Do not mark all type tags for renaming
5735         unconditionally.
5736         Clear may_aliases from every symbol.
5737         (setup_pointers_and_addressables): If a pointer has not been
5738         dereferenced and it had a type tag, clear it and mark the old
5739         tag for renaming.
5740
5741 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
5742
5743         PR tree-optimization/16705
5744         * tree-ssa-alias.c (create_global_var): Set DECL_EXTERNAL on
5745         .GLOBAL_VAR.
5746
5747 2004-07-27  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5748
5749         * expr.c (expand_expr_real_1, case PARM_DECL): Remove obsolete error
5750         check.
5751
5752         * gimplify.c (maybe_with_size_expr): If already have WITH_SIZE_EXPR,
5753         don't make another one.
5754
5755         PR optimization/15077
5756         * function.h (struct function): Add field saved_static_chain_decl.
5757         Fix comment for static_chain_decl.
5758         * tree-inline.c (save_body): Add new arg and handle static_chain_decl.
5759         * tree-inline.h (save_body): Add new arg.
5760         * tree-optimize.c (tree_rest_of_compilation): Handle saving
5761         static_chain_decl.
5762
5763 2004-07-27  Richard Henderson  <rth@redhat.com>
5764
5765         * gimplify.c (is_gimple_addr_expr_arg_or_indirect): Remove.
5766         (gimplify_modify_expr, gimplify_addr_expr, gimplify_expr): Use
5767         is_gimple_addressable.
5768         * tree-gimple.c (is_gimple_addressable): Rename from
5769         is_gimple_addr_expr_arg; accept INDIRECT_REF.
5770         (is_gimple_lvalue): Don't test INDIRECT_REF directly.
5771         * tree-gimple.h, tree-sra.c, tree-ssa-loop-im.c: Update for
5772         rename to is_gimple_addressable.
5773
5774 2004-07-28  Alan Modra  <amodra@bigpond.net.au>
5775
5776         * config/rs6000/rs6000.c (function_arg_padding): Pad SFmode upwards.
5777
5778 2004-07-27  Richard Henderson  <rth@redhat.com>
5779
5780         * function.c (assign_stack_local_1): Widen alignment to HOST_WIDE_INT
5781         before rounding.
5782
5783 2004-07-27  Zack Weinberg  <zack@codesourcery.com>
5784
5785         * libgcc2.c: Change all conditionals testing
5786         LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 96 to == 80.
5787         * libgcc2.h: Likewise.
5788         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Set
5789         TYPE_PRECISION of float80_type to 80.
5790         * config/ia64/ia64.c (ia64_init_builtins): Set TYPE_PRECISION
5791         of fpreg_type and float80_type to 80.
5792         * config/i386/i386.h, config/ia64/ia64.h, config/m68k/m68k.h
5793         * config/m68k/netbsd-elf.h:
5794         Change LONG_DOUBLE_TYPE_SIZE and possibly LIBGCC2_LONG_DOUBLE_TYPE_SIZE
5795         to evaluate to 80 whenever they would formerly have evaluated to 96.
5796         * config/i386/sco5.h: Remove unnecessary redefinition of
5797         LONG_DOUBLE_TYPE_SIZE.
5798         * doc/rtl.texi: Clarify uses of XFmode and TFmode.
5799         * config/i386/i386-modes.def: Use FRACTIONAL_FLOAT_MODE for
5800         XFmode, with a bitsize of 80.  Update commentary.
5801         * config/ia64/ia64-modes.def: Likewise.
5802         * config/m68k/m68k-modes.def: Likewise.
5803
5804 2004-07-27  Steven Bosscher  <stevenb@suse.de>
5805
5806         * cfgexpand.c (tree_expand_cfg): Fix comment.
5807
5808         * calls.c (expand_call): Ignore rtx_equal_function_value_matters.
5809         * function.c (purge_single_hard_subreg_set, purge_hard_subreg_sets):
5810         Remove.
5811         (prepare_function_start): Don't set rtx_equal_function_value_matters.
5812         * integrate.c (copy_rtx_and_substitute): Don't test for it.
5813         * passes.c (rest_of_compilation): Don't call purge_hard_subreg_sets.
5814         Don't set rtx_equal_function_value_matters.  Don't register RTL hooks
5815         here again.  Update leading comment.
5816         * rtl.c (rtx_equal_function_value_matters): Remove.
5817         (rtx_equal_p): Don't test for it.
5818         * simplify-rtx.c (simplify_binary_operation, simplify_subreg):
5819         Likewise.
5820
5821         * rtl.h (enum insn_note): Remove NOTE_INSN_LOOP_END_TOP_COND.
5822         * rtl.c (note_insn_name): Likewise.
5823         * emit-rtl.c (remove_unnecessary_notes): Don't handle it.
5824         * final.c (final_scan_insn): Likewise.
5825
5826         * except.c (finish_eh_generation): Don't call cfg_cleanup from here.
5827         * passes.c (rest_of_handle_eh): Do it here.
5828
5829         * stmt.c (struct nesting): Remove struct nesting block member.
5830         (struct stmt_status): Remove x_block_start_count field.
5831         (current_block_start_count): Remove.
5832
5833 2004-07-27  Brian Booth  <bbooth@redhat.com>
5834
5835         * tree-optimize.c (register_one_dump_file): Update condition that uses
5836         static_pass_number.
5837         (dup_pass_1): Replace with...
5838         (next_pass_1): This.
5839         (NEXT_PASS): Call next_pass_1.
5840         (DUP_PASS): Remove.
5841         (init_tree_optimization_passes): Remove uses of DUP_PASS.
5842         (execute_one_pass): Update condition that uses
5843         static_pass_number.
5844         * tree-pass.h (tree_opt_pass): Declare static_pass_number as a signed
5845         integer.
5846
5847 2004-07-27  Nick Clifton  <nickc@redhat.com>
5848
5849         * config/m32r/m32r.c: Include integrate.h in order to get the
5850         prototype for get_hard_reg_initial_val().
5851
5852         * config/m32r/m32r.md (m32rpipeline): Remove unused value "m32r"
5853         and tidy up indentation.
5854         (final_presence_set): Use absence_set instead, so that if there is
5855         nothing in the "o" pipe the "s" pipe can be scheduled.
5856
5857 2004-07-27  Diego Novillo  <dnovillo@redhat.com>
5858
5859         * tree-ssa-alias.c (create_name_tags): Ignore pointers that
5860         don't have PT_VARS nor PT_MALLOC set.
5861         Clear name tag from pointers that have not been dereferenced.
5862         (set_pt_anything, set_pt_malloc): Forward declare.
5863         * tree-ssa-copy.c (may_propagate_copy): Compare alias sets,
5864         not type compatibility when determining if a pointer can be
5865         copy propagated.
5866
5867 2004-07-27  Richard Sandiford  <rsandifo@redhat.com>
5868
5869         * expr.h (canonicalize_condition, get_condition): Add an int argument.
5870         * gcse.c (fis_get_condition): Reimplement using get_condition, leaving
5871         it to check whether the condition is still valid at the jump insn.
5872         * ifcvt.c (noce_get_condition): Likewise.
5873         (noce_get_alt_condition): Update call to canonicalize_condition.
5874         * loop-iv.c (simplify_using_initial_values): Update call to
5875         get_condition.  Remove FIXME.
5876         (check_simple_exit): Update call to get_condition.
5877         * loop-unswitch.c (may_unswitch_on): Likewise.
5878         * loop.c (check_dbra_loop): Likewise.
5879         (canonicalize_condition, get_condition): Add an argument to say whether
5880         the condition must still be valid at INSN.
5881         (get_condition_for_loop): Update call to get_condition.  Require that
5882         the condition be valid at INSN.
5883         * predict.c (estimate_probability): Update call to get_condition.
5884         Remove unused earliest parameter.
5885         (expected_value_to_br_prob): Update call to canonicalize_condition.
5886
5887 2004-07-26  Eric Christopher  <echristo@redhat.com>
5888
5889         * tree-dfa.c (add_referenced_var): Register initializers of global
5890         variables.
5891
5892 2004-07-26  Paolo Bonzini  <bonzini@gnu.org>
5893
5894         * config/i386/i386.c (function_arg): Always treat 8-
5895         and 16-byte wide vectors the same, even if MMX/SSE
5896         are disabled.
5897         (contains_128bit_aligned_vector_p): Add comment.
5898
5899 2004-07-26  J"orn Rennecke <joern.rennecke@superh.com>
5900
5901         * ra.h (enum node_type): Rename to:
5902         (enum ra_node_type).
5903         * ra-colorize.c: Likewise.
5904
5905 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
5906
5907         * cfgcleanup.c (try_simplify_condjump): Call update_forwarder_flag
5908         after simplifying the jump.
5909
5910 2004-06-26  Richard Henderson  <rth@redhat.com>
5911
5912         * calls.c (combine_pending_stack_adjustment_and_call): Make
5913         preferred_unit_stack_boundary argument unsigned.  Make
5914         unadjusted_alignment unsigned.
5915         (expand_call): Make preferred_stack_boundary and
5916         preferred_unit_stack_boundary variables unsigned.
5917         * function.c (assign_stack_local_1): Make alignment unsigned.
5918         * function.h (struct function): Make stack_alignment_needed,
5919         preferred_stack_boundary unsigned.
5920         * config/i386/i386.c (ix86_preferred_stack_boundary): Make unsigned.
5921         (ix86_compute_frame_layout): Make stack_alignment_needed,
5922         preferred_alignment variables unsigned.
5923         * config/i386/i386.h (ix86_preferred_stack_boundary): Make unsigned.
5924
5925 2004-07-26  Tom Tromey  <tromey@redhat.com>
5926
5927         * tree.h: Fix typo in comment.
5928
5929 2004-07-26  Daniel Jacobowitz  <dan@debian.org>
5930
5931         PR bootstrap/12804
5932         * ggc-zone.c (struct alloc_chunk): Remove attribute packed.
5933         (MAX_FREE_BIN_SIZE): Increase on 64-bit targets.
5934         (ggc_free): Remove incorrect freeing.
5935         (sweep_pages): Advance PP for large pages.  Fix indentation.
5936
5937 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
5938
5939         PR rtl-optimization/16643
5940         * cfglayout.h (cfg_layout_initialize): Add a flags parameter.
5941         * cfglayout.c (cfg_layout_initialize): Pass it to cleanup_cfg.
5942         * basic-block.h (reorder_basic_blocks): Add a flags parameter.
5943         * cfglayout.c (reorder_basic_blocks): Pass it to cfg_layout_initialize.
5944         (partition_hot_cold_basic_blocks): Pass 0 to cfg_layout_initialize.
5945         * function.c (thread_prologue_and_epilogue_insns): Likewise.
5946         * rtl.h (tracer): Add a flags parameter.
5947         * tracer.c (tracer): Pass it to cfg_layout_initialise.
5948         * passes.c (rest_of_handle_stack_regs): Pass 0 to reorder_basic_blocks.
5949         (rest_of_handle_reorder_blocks): Update calls to tracer and
5950         reorder_basic_blocks, passing CLEANUP_UPDATE_LIFE if appropriate.
5951         (rest_of_handle_tracer): Pass 0 to tracer.
5952         (rest_of_handle_loop2): Pass 0 to cfg_layout_initialize.
5953
5954 2004-07-25  David Edelsohn  <edelsohn@gnu.org>
5955
5956         PR target/16239
5957         * config/rs6000/rs6000.md (movdi_internal64): Further disparage
5958         f->f.
5959
5960 2004-07-24  Nathan Sidwell  <nathan@codesourcery.com>
5961
5962         * tree.h (BINFO_BASE_ACCESSES): Accesses are a VEC(tree).
5963         (BINFO_BASE_ACCESS): Adjust.
5964         (BINFO_BASE_ACCESS_APPEND): New.
5965         (struct tree_binfo): Make base_accesses a VEC(tree) pointer.
5966         * dbxout.c (dbxout_type): Adjust binfo access accessing.
5967         * dwarf2out.c (gen_member_die): Likewise.
5968         * tree-dump.c (deque_and_dump): Likewise.
5969
5970 2004-07-26  Falk Hueffner  <falk@debian.org>
5971
5972         * config/alpha/alpha.c (alpha_rtx_cost_data): Tweak int_div
5973         costs.
5974
5975 2004-07-25  Roger Sayle  <roger@eyesopen.com>
5976
5977         * config/i386/i386.c (output_fp_compare): Use ffreep to pop top
5978         value off of the stack if TARGET_USE_FFREEP.
5979
5980 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
5981
5982         * gengtype.c (oprintf): Replace xrealloc () with XRESIZEVEC ().
5983         * gengtype-yacc.y: Likewise.  Replace free() with XDELETE ().
5984         * c-typeck.c (PUSH_SPELLING): Remove redundant NULL-pointer
5985         check on invocation of XRESIZEVEC ().
5986
5987 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
5988
5989         * c-common.c (disable_builtin_function): Rename variable n to
5990         new_disabled_builtin.
5991         * c-decl.c (duplicate_decls): Rename parameter decl to new_decl.
5992         Rename local variable old to old_decl.
5993         * gensupport.c (shift_output_template): Rename parameter old to src.
5994         * simplify-rtx.c (simplify_replace_rtx): Rename parameter oldx to
5995         old_rtx and newx to new_rtx.
5996
5997 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
5998
5999         * Makefile.in (C_PRAGMA_H): New variable to track dependencies
6000         of c-pragma.h.
6001         * c-pragma.h (c_lex, c_lex_with_flags): Change returntype to
6002         enum cpp_ttype.
6003         * c-lex.c: Likewise.
6004
6005 2004-07-25  Roger Sayle  <roger@eyesopen.com>
6006
6007         * fold-const.c (constant_boolean_node): Make extern.
6008         (make_range): Wrap long lines.
6009         (fold_cond_expr_with_comparison): Remove unnecessary call to
6010         pedantic_non_lvalue.  Add missing calls to fold_convert.
6011         (fold_truthop): Add missing calls to fold_convert.
6012         (fold): Likewise.
6013         * tree.h (constant_boolean_node): Add prototype here.
6014         * builtins.c (expand_builtin_strncmp): Add missing calls to
6015         fold_convert.
6016         * tree-ssa-dom.c (record_equivalences_from_incoming_edge):
6017         Call fold_convert and constant_boolean_node to correct types.
6018         * tree-ssa-forwprop.c (substitute_single_use_vars): Add
6019         missing call to fold_convert to correct types.
6020
6021 2004-07-26  Niall Douglas  <s_fsfeurope2@nedprod.com>
6022             Brian Ryner  <bryner@brianryner.com>
6023
6024         PR c++/9283
6025         PR c++/15000
6026         * c-common.c (c_common_attribute_table): Allow
6027         handle_visibility_attribute to be called for types.
6028         (handle_visibility_attribute) When given a type, set the visibility
6029         bits on the TYPE_NAME.  When given a decl, don't set no_add_attrs
6030         so that we can check later whether the attribute was present. Added
6031         warning if attribute applied to non class type.
6032         * c-decl.c (diagnose_mismatched_decls): Updated rules for merging
6033         decls and checking that they are consistent.
6034         * common.opt: Added -fvisibility.
6035         * c.opt, c-opts.c: Added -fvisibility-inlines-hidden.
6036         * c-pragma.h, c-pragma.c: Added handle_pragma_visibility().
6037         * flags.h, tree.h: Added assorted support defines for overall patch
6038         * opts.c: Added parsing support for -fvisibility.
6039         * tree.c (build_decl): Set visibility for all decls to be whatever
6040         is in force at that time.
6041         * varasm.c (default_binds_local_p_1): Reworked logic determining
6042         when to make a symbol locally bound.
6043         * doc/invoke.texi: Added documentation for -fvisibility and
6044         -fvisibility-inlines-hidden.
6045
6046 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
6047
6048         * basic-block.h (reorder_block_def): Rename to reorder_block_def_p.
6049         * c-common.c: Add missing casts from void * to other types.
6050         * c-decl.c: Likewise.
6051         * c-format.c: Likewise.
6052         * c-lex.c: Likewise.
6053         * c-pragma.c: Likewise.
6054         * c-typeck.c: Likewise.
6055         * defaults.h: Likewise.
6056         * genconstants.c: Likewise.
6057         * gengtype-lex.l: Likewise.
6058         * genmodes.c: Likewise.
6059         * read-rtl.c: Likewise.
6060         * rtl.c: Likewise.
6061
6062 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
6063
6064         * bitmap.c: Use type-safe memory allocation macros from libiberty.
6065         * c-common.c: Likewise.
6066         * c-decl.c: Likewise.
6067         * c-lang.c: Likewise.
6068         * c-lex.c: Likewise.
6069         * c-opts.c: Likewise.
6070         * c-parse.in: Likewise.
6071         * c-typeck.c: Likewise.
6072         * genconditions.c: Likewise.
6073         * gengtype-lex.l: Likewise.
6074         * gengtype-yacc.y: Likewise.
6075         * gengtype.c: Likewise.
6076         * genmodes.c: Likewise.
6077         * gensupport.c: Likewise.
6078         * read-rtl.c: Likewise.
6079         * read-rtl.c (read_constants): Use INSERT instead of TRUE in call to
6080         htab_find_slot().
6081
6082 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
6083
6084         * c-decl.c (groktypename, groktypename_in_param_context): Rename
6085         variable typename to type_name.
6086         * c-lex.c (interpret_float): Likewise.
6087
6088 2004-07-25  Roger Sayle  <roger@eyesopen.com>
6089
6090         * convert.c (convert_to_real, convert_to_integer,
6091         convert_to_complex): Replace calls to build with calls to buildN.
6092         * coverage.c (tree_coverage_counter_ref): Likewise.
6093         * dojump.c (do_jump): Likewise.
6094         * dwarf2out.c (loc_descriptor_from_tree): Likewise.
6095         * emit-rtl.c (component_ref_for_mem_expr,
6096         set_mem_attributes_minus_bitpos): Likewise.
6097         * explow.c (update_nonlocal_goto_save_area): Likewise.
6098         * expmed.c (expand_shift, make_tree, const_mult_add_overflow_p,
6099         expand_mult_add): Likewise.
6100         * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall,
6101         store_constructor, get_inner_reference, expand_expr_real_1,
6102         try_casesi, try_tablejump): Likewise.
6103         * function.c (expand_function_start): Likewise.
6104         * stmt.c (emit_case_bit_tests, expand_end_case_type,
6105         node_has_low_bound, node_has_high_bound, emit_case_nodes): Likewise.
6106         * stor-layout.c (place_union_field, layout_type): Likewise.
6107         * tree.c (substitute_in_expr, tree_fold_gcd): Likewise.
6108         * varasm.c (copy_constant): Likewise.
6109
6110 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
6111
6112         * c-common.c: Rename all identifiers named `new'.
6113         * c-decl.c: Likewise.
6114         * gensupport.c: Likewise.
6115         * simplify-rtx.c: Likewise.
6116         * c-common.c (disable_builtin_function): Replace a call to xmalloc()
6117         with XNEW().
6118         * gensupport.c (alter_output_for_insn): Replace two calls to xmalloc()
6119         with XNEWVEC().
6120
6121 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
6122
6123         PR c/15360
6124         * c-decl.c (start_decl): Do not set DECL_EXTERNAL for initialized
6125         declarations until after calling pushdecl.
6126         (grokdeclarator): Set DECL_EXTERNAL for variables based on use of
6127         "extern" and not on whether the declaration is initialized.
6128
6129 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
6130
6131         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
6132         (sparc-*-solaris2*): Include sol2.o and sol2-protos.h.
6133         * config/sol2-c.c: Include "tm.h", "tm_p.h", "toplev.h",
6134         "cpplib.h", "c-pragma.h", "c-common.h".
6135         (solaris_pragma_align, solaris_pragma_init, solaris_pragma_fini)
6136         (solaris_register_pragmas): New functions.
6137         * config/sol2-protos.h: New file.
6138         * config/sol2.c: New file.
6139         * config/sol2.h (SOLARIS_ATTRIBUTE_TABLE, ASM_DECLARE_FUNCTION_SIZE)
6140         (REGISTER_TARGET_PRAGMAS): New macros.
6141         (solaris_pending_aligns, solaris_pending_inits)
6142         (solaris_pending_finis): New variables.
6143         * config/t-sol2 (sol2-c.o): Update dependencies.
6144         (sol2.o): New rule.
6145         * config/i386/i386.c (TARGET_INSERT_ATTRIBUTES): Define in terms of
6146         SUBTARGET_INSERT_ATTRIBUTES.
6147         (ix86_attribute_table): Include SUBTARGET_ATTRIBUTE_TABLE.
6148         * config/i386/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
6149         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
6150         * config/sparc/elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
6151         * config/sparc/sp64-elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
6152         * config/sparc/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
6153         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
6154         * config/sparc/sparc.c (sparc_attribute_table): New.
6155         (TARGET_INSERT_ATTRIBUTES): Define in terms of
6156         SUBTARGET_INSERT_ATTRIBUTES.
6157         (TARGET_ATTRIBUTE_TABLE): Define if SUBTARGET_ATTRIBUTE_TABLE
6158         is defined.
6159         * doc/extend.texi (Solaris Pragmas): New section.
6160
6161 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
6162
6163         * c-common.c: Rename all identifiers named `class' to `cl'.
6164         * c-common.h: Likewise.
6165         * c-parse.in: Likewise.
6166         * c-typeck.c: Likewise.
6167         * genmodes.c: Likewise.
6168         * real.c: Likewise.
6169         * real.h: Likewise.
6170         * recog.c: Likewise.
6171         * recog.h: Likewise.
6172         * regrename.c: Likewise.
6173         * tree.h: Likewise.
6174         * c-common.c (builtin_function_2): Change type of 5th parameter from
6175         int to enum built_in_function. Change type of 8th parameter from int
6176         to bool.
6177         * c-decl (builtin_function): Replace call to ggc_alloc_cleared ()
6178         with GGC_CNEW().
6179         * c-typeck.c (convert_arguments): Change type of formal_prec from
6180         int to unsigned int.
6181         * genmodes.c (blank_mode): Make a few negative constants unsigned.
6182         (complete_all_modes, calc_wider_mode, emit_insn_modes_h,
6183         emit_mode_name, emit_mode_class, emit_mode_precision, emit_mode_size,
6184         emit_mode_nunits, emit_mode_wider, emit_mode_mask, emit_mode_inner,
6185         emit_mode_base_align, emit_class_narrowest_mode): Pass an integer
6186         iterator to for_all_modes () instead of an enum because enums can't
6187         be incremented in C++.
6188
6189
6190 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
6191
6192         * regmove.c (optimize_reg_copy_1): Don't try to replace call-used
6193         hard registers.
6194
6195 2004-07-25  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6196
6197         * tree-ssa-operands.c (get_stmt_operands, get_expr_operands):
6198         Handle ARRAY_RANGE_REF like ARRAY_REF.
6199
6200 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
6201
6202         * c-typeck.c (digest_init): Don't allow arrays of signed or
6203         unsigned variants of wchar_t to be initialized by wide string
6204         constants.  Do allow arrays of enumerated types compatible with
6205         wchar_t to be initialized by wide string constants.  Refine tests
6206         distinguishing wide and narrow strings and arrays.  Give specific
6207         error for arrays of other integer types initialized by string
6208         constants.
6209         (output_init_element, process_init_element): Check for
6210         INTEGRAL_TYPE_P rather than just for INTEGER_TYPE when
6211         initializing with string constants.
6212
6213 2004-07-25  Richard Henderson  <rth@redhat.com>
6214
6215         * c-decl.c (start_function): Set DECL_ARTIFICIAL and DECL_IGNORED_P
6216         on the RESULT_DECL.
6217         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
6218         * integrate.c (copy_decl_for_inlining): Copy DECL_ARTIFICIAL and
6219         DECL_IGNORED_P to new decl.
6220
6221 2004-07-24  Zack Weinberg  <zack@codesourcery.com>
6222
6223         * config/ia64/ia64.c (general_xfmode_operand)
6224         (destination_xfmode_operand): Delete.
6225         * config/ia64/ia64.h (PREDICATE_CODES): Remove them.
6226         * config/ia64/ia64.md (*movxf_internal): Use general_operand
6227         and destination_operand.
6228
6229 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
6230
6231         * config/ia64/ia64.h (SUBTARGET_EXTRA_SPECS): Default to nothing.
6232         (EXTRA_SPECS): Use SUBTARGET_EXTRA_SPECS.
6233
6234 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
6235             Zack Weinberg  <zack@codesourcery.com
6236
6237         PR 16684
6238         * c-decl.c (diagnose_mismatched_decls): Don't issue a
6239         redundant-declaration warning the first time a builtin is
6240         declared explicitly.
6241
6242 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
6243
6244         * tree.h (staticp): Change return type to bool.
6245
6246 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
6247
6248         * c-common.c (c_staticp): Last episode of the staticp saga.
6249
6250 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
6251
6252         * c-common.h (c_staticp): Change return type from int to bool.
6253         * tree.c (staticp): Likewise.
6254         * langhooks.h (staticp): Likewise.
6255
6256 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
6257
6258         * langhooks-def.h (lhd_staticp): Change return type from int to
6259         bool in prototype to match definition.
6260
6261 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
6262
6263         * system.h (bool, true, false): Don't redefine as preprocessor macros
6264         in C++.
6265
6266 2004-07-24  Roger Sayle  <roger@eyesopen.com>
6267
6268         * expmed.c (init_expmed): A signed modulus by a power of two is
6269         considered cheap if its less than or equal to four instructions.
6270
6271 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
6272
6273         * ggc.h (GGC_NEW, GGC_CNEW, GGC_NEWVEC, GGC_CNEWVEC, GGC_NEWVAR,
6274         GGC_CNEWVAR): New macros.
6275
6276 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
6277
6278         * c-common.c: Convert ATTRIBUTE_UNUSED to ARG_UNUSED in parameter
6279         lists.
6280         * c-decl.c: Likewise.
6281         * c-format.c: Likewise.
6282         * c-lex.c: Likewise.
6283         * c-opts.c: Likewise.
6284         * c-pragma.c: Likewise.
6285         * c-typeck.c: Likewise.
6286         * gencheck.c: Likewise.
6287         * genconditions.c: Likewise.
6288         * genconfig.c: Likewise.
6289         * genflags.c: Likewise.
6290         * gengtype.c: Likewise.
6291         * gensupport.c: Likewise.
6292         * ggc-none.c: Likewise.
6293         * langhooks.c: Likewise.
6294         * statistics.h: Likewise.
6295         * stub-objc.c: Likewise.
6296         * java/decl.c: Likewise.
6297
6298 2004-07-24  Roman Zippel  <zippel@linux-m68k.org>
6299
6300         * config/m68k/m68k.c (output_scc_di): Fix coding style.
6301         (symbolic_operand): Fix prototype.
6302         * config/m68k/m68k.h (PREDICATE_CODES): Add symbolic_operand.
6303         * config/m68k/m68k.md: Add constants for registers a0 and sp and
6304         use them, change from the "{...}" syntax to the simpler {...}
6305         syntax.
6306         (*cfv4_extendqisi2): Fix destination predicate.
6307         * config/m68k/m68k-protos.h: Remove various declarations also
6308         generated via PREDICATE_CODES.
6309
6310 2004-07-23  Mike Stump  <mrs@apple.com>
6311
6312         * c-typeck.c (convert_for_assignment): Tightened up pointer
6313         converstions that differ in signedness.
6314
6315 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
6316
6317         * genmodes.c (make_vector_modes): Mark with ATTRIBUTE_UNUSED.
6318
6319 2004-07-23  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6320
6321         * tree.def (VIEW_CONVERT_EXPR): Change to class 'r'.
6322         * tree-ssa-operands.c (get_expr_operands, case VIEW_CONVERT_EXPR): New.
6323
6324         * gimplify.c (gimplify_compound_lval): Check for no handled
6325         operations, rather than checking for explicit list of nodes.
6326         (is_gimple_addr_expr_arg_or_indirect): New function.
6327         (gimplify_addr_expr): Call it and handle INDIRECT_REF; remove
6328         redundant setting of TREE_INVARIANT.
6329         (gimplify_expr, case VIEW_CONVERT_EXPR): Call gimplify_compound_lval.
6330         * tree-gimple.c (is_gimple_addr_expr_arg): Call handled_component_p.
6331
6332 2004-07-23  Diego Novillo  <dnovillo@redhat.com>
6333
6334         PR tree-optimization/16688
6335         PR tree-optimization/16689
6336         * tree-ssa-alias.c (setup_pointers_and_addressables): Remove
6337         unnecessary initialization of 'tag'.
6338         (get_tmt_for): Check that the new type tag has the same alias
6339         set as the pointed-to type.
6340         (group_aliases): Only regular variables need to be removed
6341         from the alias set of a name tag.
6342         * tree-ssa-copy.c (may_propagate_copy): Do not allow copy
6343         propagation if the two types are not compatible.
6344         (merge_alias_info): Rename from replace_ssa_names_ann.
6345         Add more checking.
6346         (replace_exp_1): If both arguments are SSA_NAMEs, check that
6347         the propagation can be done.
6348         Only call merge_alias_info on pointers.
6349         (propagate_value): Likewise.
6350         * tree-ssa-copyrename.c: Include langhooks.h.
6351         (copy_rename_partition_coalesce): Call replace_ssa_name_symbol
6352         to do the merging.
6353         Do not coalesce variables with incompatible types.
6354         (rename_ssa_copies): Call replace_ssa_name_symbol.
6355         * tree-ssa.c (verify_ssa_name): Verify that the SSA_NAME has
6356         the same type as the underlying _DECL.
6357         * tree-ssanames.c (replace_ssa_name_symbol): New function.
6358         * tree.h (replace_ssa_name_symbol): Declare.
6359
6360 2004-07-23  Richard Henderson  <rth@redhat.com>
6361
6362         PR c++/16277
6363         * gimplify.c (gimplify_cond_expr): Gimplify TARGET to a min_lval;
6364         unshare it properly.
6365         (gimplify_modify_expr_rhs): Push assignment from a conditional into
6366         the conditional for all non-register types.
6367
6368 2004-07-23  Richard Henderson  <rth@redhat.com>
6369
6370         * expr.c (expand_expr_real_1): Don't handle non-local variables.
6371         * expr.h (fix_lexical_addr): Remove.
6372         * function.c (NEED_SEPARATE_AP): Remove.
6373         (fix_lexical_addr): Remove.
6374         * tree-alias-common.c (get_alias_var_decl): Check TREE_STATIC,
6375         not null decl_function_context.
6376         (create_alias_vars): Likewise.
6377         * tree-cfg.c (make_ctrl_stmt_edges): Don't check for non-local labels.
6378         (simple_goto_p): Likewise.
6379         * tree-dfa.c (add_referenced_var): Don't check for non-local variables.
6380         * tree-ssa-ccp.c (get_default_value): Likewise.
6381         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
6382         * tree.c (needs_to_live_in_memory): Likewise.
6383         * tree-flow-inline.h (may_be_aliased): Move...
6384         * tree-ssa-alias.c (may_be_aliased): ... here.  Enhance check for
6385         when TREE_STATIC variables may be addressable.
6386
6387 2004-07-24  Jakub Jelinek  <jakub@redhat.com>
6388
6389         * Makefile.in (site.exp): Add HOSTCC and HOSTCFLAGS to site.exp.
6390
6391 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
6392
6393         * print-rtl.c (print_rtx <case 'b'>): Don't attempt to print
6394         bitmap contents if GENERATOR_FILE is defined.
6395         * Makefile.in (BUILD_RTL): Remove $(BUILD_PREFIX)bitmap.o.
6396         ($(BUILD_PREFIX_1)bitmap.o): Delete rule.
6397
6398 2004-07-23  Joseph S. Myers  <jsm@polyomino.org.uk>
6399
6400         * c-decl.c (start_function): Form composite type of function types
6401         rather than copying type from previous prototype declaration.
6402
6403 2004-07-23  Janis Johnson  <janis187@us.ibm.com>
6404
6405         * config/rs6000/altivec.h (vec_lvewx, vec_lvehx, vec_lvwbx): Remove
6406         the const qualifier for the second argument in the C++ functions.
6407
6408         * config/rs6000/altivec.h (vec_stvewx, vec_stvehx, vec_stvebx): Use
6409         specific pointer types.
6410
6411         * config/rs6000/altivec.h (vec_vadduwm): (vec_vadduwm, vec_vadduhm,
6412         vec_vaddubm, vec_vsubuwm, vec_vsubuhm, vec_vsububm): Fix types used
6413         for vector bool and/or vector pixel, add C++ and C missing support.
6414         (vec_vaddsws, vec_vaddshs, vec_vaddsbs, vec_vmaxsw, vec_vmaxsh,
6415         vec_vmaxsb, vec_vmrghw, vec_vmrghh, vec_vmrghb, vec_vmrglw, vec_vmrglh,
6416         vec_vmrglb, vec_vminsw, vec_vminsh, vec_vminsb, vec_vpkuwum,
6417         vec_vpkuhum, vec_vspltw, vec_vsplth, vec_vspltb, vec_vsubsws,
6418         vec_vsubshs, vec_vsubsbs, vec_vupklsh, vec_vupkhsh, vec_vupklsb): Add
6419         missing C++ and C support for vector bool and/or vector pixel.
6420         (vec_vadduws, vec_vadduhs, vec_vaddubs, vec_vcmpeqfp, vec_vcmpequw,
6421         vec_vcmpequh, vec_vcmpequb, vec_vcmpgtfp, vec_vcmpgtsw, vec_vcmpgtuw,
6422         vec_vcmpgtsh, vec_vcmpgtuh, vec_vcmpgtsb, vec_vcmpgtub, vec_vmaxuw,
6423         vec_vmaxuh, vec_vmaxub, vec_vminuw, vec_vminuh, vec_vminub,
6424         vec_vsubuws, vec_vsubuhs, vec_vsububs, vec_vupkhpx, vec_vupklpx): Fix
6425         C++ and C types used for vector bool and/or vector pixel.
6426         (vec_st, vec_stl): Add C++ support for vector pixel.
6427         (vec_unpackh, vec_unpackl, vec_any_ge): Fix C++ support for vector bool.
6428         (vec_all_ne): Add C++ support for vector pixel.
6429
6430         * config/rs6000/altivec.h (vec_vcmpgtsh): Fix C++ function name.
6431         (vec_vmulesb): Add missing C++ function.
6432         (vec_perm): Fix type of third argument in C++ function.
6433         (vec_vsum4shs): Fix C++ function name.
6434         (vec_any_ge): Remove C++ functions for unsupported arg combinations.
6435         (vec_vcmpgtsw, vec_vcmpgtuw, vec_minsb, vec_vmsummbm): Fix the
6436         argument passed to the error handler in C macro.
6437         (vec_nmsub): Remove extra parens around argument names in C macro.
6438         (vec_packpx): Add missing parens in C macro.
6439
6440 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
6441
6442         * machmode.def: Remove vector modes.
6443         * config/alpha/alpha-modes.def: Add supported vector modes.
6444         * config/arm/arm-modes.def: Likewise.
6445         * config/frv/frv-modes.def: Likewise.
6446         * config/i386/i386-modes.def: Likewise.
6447         * config/rs6000/rs6000-modes.def: Likewise.
6448         * config/sh/sh-modes.def: Likewise.
6449
6450 2004-07-23  Matthias Klose  <doko@debian.org>
6451
6452         * intl.c (gcc_init_libintl): Use PACKAGE for the text domain.
6453         * configure.ac: Add AC_DEFINE_UNQUOTED for PACKAGE.
6454         * config.h: Regenerate.
6455         * configure: Likewise.
6456
6457 2004-07-22  Mark Mitchell  <mark@codesourcery.com>
6458
6459         * dwarf2out.c (output_call_frame_info): Set SYMBOL_FLAG_LOCAL on
6460         generated SYMBOL_REFs for labels.
6461         * config/darwin-protos.h (machopic_validate_stub_or_non_lazy_ptr):
6462         Change prototype.
6463         (machopic_stub_name): Remove.
6464         (machopic_indirection_name): New function.
6465         (machopic_mcount_stub_name): Likewise.
6466         (machopic_classify_name): Remove.
6467         (machopic_function_base_sym): New function.
6468         (machpoic_classify_symbol): Likewise.
6469         (machopic_classify_ident): Remove.
6470         (machopic_define_ident): Likewise.
6471         (machopic_define_name): Likewise.
6472         (machopic_name_defined_p): Likewise.
6473         (machopic_ident_defined_p): Likewise.
6474         (darwin_strip_name_encoding): Likewise.
6475         (machopic_define_symbol): New function.
6476         * config/darwin.c (hashtab.h): Include.
6477         (machopic_defined_list): Remove.
6478         (machopic_classify_ident): Likewise.
6479         (machopic_classify_name): Likewise.
6480         (machopic_ident_defined_p): Likewise.
6481         (machopic_define_ident): Likewise.
6482         (machopic_define_name): Likewise.
6483         (machopic_symbol_defined_p): New function.
6484         (machopic_classify_symbol): Likewise.
6485         (machopic_data_defined_p): Use machopic_classify_symbol.
6486         (machopic_define_symbol): New function.
6487         (machopic_function_base_sym): New function.
6488         (machopic_non_lazy_pointers): Remove.
6489         (machopic_non_lazy_ptr_name): Likewise.
6490         (machopic_stubs): Likewise.
6491         (machopic_stub_name): Likewise.
6492         (NON_LAZY_POINTER_SUFFIX): New macro.
6493         (STUB_SUFFIX): Likewise.
6494         (machopic_indirection): New structure.
6495         (machopic_indirections): New variable.
6496         (machopic_indirection_hash): New function.
6497         (machopic_indirection_eq): Likewise.
6498         (machopic_indirection_name): Likewise.
6499         (machopic_mcount_stub_name): New function.
6500         (machopic_validate_stub_or_non_lazy_pointer): Reimplement to use
6501         hash table.
6502         (machopic_indirect_data_reference): Rework to use new functions.
6503         (machopic_indirect_call_target): Likewise.
6504         (machopic_legitimize_pic_address): Likewise.
6505         (machopic_output_indirection): New function.
6506         (machopic_finish): Use it.
6507         (machopic_operand_p): Rework to use new functions.
6508         (darwin_encode_seciton_info): Use SYMBOL_REF_FLAGS.
6509         (darwin_strip_name_encoding): Remove.
6510         (update_non_lazy_ptrs): Remove.
6511         (update_stubs): Likewise.
6512         (darwin_non_lazy_pcrel): Use new functions.
6513         * config/darwin.h (ASM_DECLARE_OBJECT_NAME): Likewise.
6514         (ASM_OUTPUT_LABELREF): Likewise.
6515         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
6516         (MACHO_SYMBOL_FLAG_VARIABLE): New macro.
6517         (MACHO_SYMBOL_FLAG_DEFINED): Likewise.
6518         (TARGET_STRIP_NAME_ENCODING): Do not use
6519         darwin_strip_name_encoding.
6520         (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Do not use
6521         darwin_strip_name_encoding.
6522         * config/i386/darwin.h (FUNCTION_PROFILER): Use
6523         machopic_mcount_stub_name.
6524         * config/i386/i386.c (x86_output_mi_thunk): Use
6525         machopic_indirection_name, not machopic_stub_name.
6526         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Use
6527         machopic_function_base_sym.
6528         (print_operand): Use machopic_classify_symbol.
6529         (rs6000_emit_prologue): Use machopic_function_base_sym.
6530         (output_profile_hook): Do not use machopic_stub_name.
6531         (macho_branch_isalnds): Do not use darwin_strip_name_encoding.
6532
6533 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
6534
6535         PR c/7284
6536         * fold-const.c (extract_muldiv_1): Do not treat signed left shift
6537         as multiplication.
6538
6539 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
6540
6541         * doc/implement-c.texi: New file.
6542         * doc/extend.texi (C Implementation): Move to there.
6543         * doc/gcc.texi: Include implement-c.texi.
6544         * Makefile.in (TEXI_GCC_FILES): Add implement-c.texi.
6545
6546 2004-07-22  Jason Merrill  <jason@redhat.com>
6547
6548         * integrate.c (copy_decl_for_inlining): Remove invisible reference
6549         handling.
6550         * tree-inline.c (setup_one_parameter): Likewise.
6551
6552 2004-07-22  Brian Booth  <bbooth@redhat.com>
6553
6554         * tree-ssa-ccp.c (latticevalue): Add UNKNOWN_VAL.
6555         (substitute_and_fold): Propigate into VUSE operands when possible.
6556         (visit_phi_node): Handle UNKNOWN_VAL latticevalue.
6557         (cp_lattice_meet): Handle merging of latticevalues when
6558         UNKNOWN_VAL is present.
6559         (visit_stmt): Visit assignments with V_MUST_DEFs.
6560         (visit_assignment): Gather ccp information for V_MUST_DEF operands.
6561         (ccp_fold): Deal with RHS' that are constant and virtual.
6562         (evaluate_stmt): Handle UNKNOWN_VAL likely values.
6563         (dump_lattice_value): Dump UNKNOWN_VAL latticevalues.
6564         (initialize): Mark statements with V_MUST_DEFs as VARYING only if the
6565         V_MUST_DEF operand is VARYING. Fix comment and include VOPS when
6566         computing immediate uses.
6567         (set_lattice_value): Disallow a UNKNOWN_VAL->UNDEFINED state
6568         transition.
6569         (replace_vuse_in): New function.
6570         (likely_value): Add check of vuse operands.
6571         (get_default_value): Set the default value of virtually defined
6572         variables to UKNOWN_VAL instead of VARYING.
6573
6574 2004-07-22  Richard Henderson  <rth@redhat.com>
6575
6576         * expr.c (emit_push_insn): Don't use set_mem_attributes.
6577
6578 2004-07-22  Richard Henderson  <rth@redhat.com>
6579
6580         * tree-ssa-live.c (create_ssa_var_map): Avoid defined-but-not-used
6581         variables due to conditional compilation.
6582
6583 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
6584
6585         * tree-into-ssa.c (set_livein_block): Fix typo in comment.
6586         (rewrite_ssa_into_ssa): Start iterating over SSA names at 1.
6587         Release SSA names that have been re-renamed.
6588         * tree-phinodes.c (make_phi_node): Set same TREE_TYPE as the
6589         variable.
6590         * tree-ssa-alias.c (init_alias_info): If aliases have been
6591         computed before, clear existing alias information.
6592         (create_name_tags): Do no fixup PT_ANYTHING pointers.
6593         If the new name tag for a pointer is different than the one it
6594         had before, mark the old tag for renaming.
6595         (replace_may_alias): New function.
6596         (group_aliases): Call it.
6597         (setup_pointers_and_addressables): Always call get_tmt_for.
6598         (maybe_create_global_var): Don't create .GLOBAL_VAR more than
6599         once.
6600         (set_pt_anything): New local function.
6601         (set_pt_malloc): New local function.
6602         (merge_pointed_to_info): Don't merge pointed-to variables from
6603         the original pointer if the destination is pointing to an
6604         unknown location.
6605         (add_pointed_to_expr): Call set_pt_anything and set_pt_malloc.
6606         (add_pointed_to_var): Do not add a variable to the points-to
6607         set if the pointer is already pointing to anywhere.
6608         (collect_points_to_info_r): If the defining statement is a PHI
6609         node, only merge pointed-to information if the argument has
6610         already been visited.
6611         (get_tmt_for): Only create a new tag if the pointer didn't
6612         have one already.
6613         (dump_alias_info): Emit more information.
6614         (dump_points_to_info_for): Likewise.
6615         * tree-ssa-dom.c (redirect_edges_and_update_ssa_graph): Don't
6616         try to get the annotation of an SSA_NAME.
6617         * tree-ssa-operands.c (add_stmt_operand): Only check for empty
6618         alias sets when checking is enabled.
6619         * tree-ssa-pre.c (need_eh_cleanup): New local variable.
6620         (eliminate): Mark basic blocks that will need
6621         EH information cleaned up.
6622         (init_pre): Split ENTRY_BLOCK->0 if block 0 has more than one
6623         predecessor.
6624         Initialize need_eh_cleanup.
6625         (fini_pre): Call tree_purge_all_dead_eh_edges and
6626         cleanup_tree_cfg if needed.
6627         Free need_eh_cleanup.
6628         * tree-ssa.c (verify_ssa_name): New function.
6629         (verify_def): Call it.
6630         Re-arrange to avoid printing too many error messages.
6631         (verify_use): Likewise.
6632         (verify_phi_args): Likewise.
6633         (verify_flow_insensitive_alias_info): New function.
6634         (verify_flow_sensitive_alias_info): New function.
6635         (verify_alias_info): New function.
6636         (verify_ssa): Call verify_alias_info.
6637         Clear TREE_VISITED on all the SSA_NAMEs before scanning the
6638         program.
6639         Re-arrange to avoid printing too many error messages.
6640         * tree-ssanames.c (make_ssa_name): Clear
6641         SSA_NAME_IN_FREE_LIST.
6642         (release_ssa_name): Never release a default definition.
6643         (release_defs): New function.
6644         * tree.h: Declare it.
6645         * tree-ssa-dce.c (remove_dead_stmt): Call it.
6646
6647 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
6648
6649         * tree-ssa.c (walk_use_def_chains_1): Add new argument IS_DFS.
6650         If true, do a depth-first search.  Do a breadht-first search,
6651         otherwise.
6652         (walk_use_def_chains): Add new argument IS_DFS.
6653         Update all users.
6654         * tree-flow.h (walk_use_def_chains): Update prototype.
6655
6656 2004-07-22  Hans-Peter Nilsson  <hp@axis.com>
6657
6658         * config/cris/cris.md: Tweak formatting.
6659         (asrandb, asrandw, lsrandb, lsrandw, moversideqi, movemsideqi)
6660         (mover2side, moverside, movemside, movei, op3, andu): Replace
6661         live define_peephole:s with define_peephole2 near-equivalents.
6662         Delete the rest.
6663         ("*mov_sidesisf_biap"): Rename from "*mov_sidesi_biap".  Match all
6664         word-size modes.
6665         ("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"):
6666         Similar for "*mov_sidesi", "*mov_sidesi_biap_mem" and
6667         "*mov_sidesi_mem" respectively.
6668
6669 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
6670
6671         * tree-cfg.c (gimplify_val): Move from tree-complex.c.
6672         (gimplify_build1): Move from tree-complex.c do_unop.
6673         (gimplify_build2): Move from tree-complex.c do_binop.
6674         (gimplify_build3): New.
6675         * tree-complex.c (gimplify_val, do_unop, do_binop): Remove.
6676         Adjust throughout to call the functions above.
6677         * tree-flow.h: Declare the functions above.
6678         * tree-nested.c (gimplify_val): Rename to...
6679         (tsi_gimplify_val): ... this.
6680
6681         * Makefile.in (tree_complex.o): Update dependencies.
6682         (stor-layout.o): Depend on regs.h.
6683         * c-common.c (handle_vector_size_attribute): Update for
6684         vector types without corresponding vector modes.
6685         * expr.c (expand_expr): Treat VECTOR_CST's like CONSTRUCTORS if
6686         a corresponding vector mode is not available.
6687         * print-tree.c (print_node): Print nunits for vector types
6688         * regclass.c (have_regs_of_mode): New.
6689         (init_reg_sets_1): Initialize it and use it instead
6690         of allocatable_regs_of_mode.
6691         * regs.h (have_regs_of_mode): Declare it.
6692         * stor-layout.c (layout_type): Pick a mode for vector types.
6693         * tree-complex.c (build_word_mode_vector_type, tree_vec_extract,
6694         build_replicated_const, do_unop, do_binop, do_plus_minus,
6695         do_negate, expand_vector_piecewise, expand_vector_parallel,
6696         expand_vector_addition, expand_vector_operations_1,
6697         expand_vector_operations, tree_lower_operations,
6698         pass_lower_vector_ssa, pass_pre_expand): New.
6699         (expand_complex_operations, pass_lower_complex): Remove.
6700         * tree-optimize.c (init_tree_optimization_passes): Adjust
6701         pass ordering for changes in tree-complex.c.
6702         * tree-pass.h: Declare new passes.
6703         * tree.c (finish_vector_type): Remove.
6704         (make_vector_type): New.
6705         (build_vector_type_for_mode, build_vector_type): Rewritten.
6706         * tree.def (VECTOR_TYPE): Document where the number of
6707         subparts is stored.
6708         * tree.h (TYPE_VECTOR_SUBPARTS): Use TYPE_PRECISION field.
6709         (make_vector): Remove declaration.
6710
6711 2004-07-21  Richard Henderson  <rth@redhat.com>
6712
6713         * gimple-low.c (expand_var_p): Don't look at TREE_ADDRESSABLE,
6714         TREE_THIS_VOLATILE, may_aliases, or optimization level.
6715         (remove_useless_vars): Dump debugging info.
6716         (expand_used_vars): Move ...
6717         * cfgexpand.c (expand_used_vars): ... here.  Make static.
6718         * tree-flow-inline.h (set_is_used): New.
6719         (set_default_def): Use get_var_ann.
6720         * tree-flow.h: Update decls.
6721         * tree-ssa-live.c (mark_all_vars_used_1, mark_all_vars_used): New.
6722         (create_ssa_var_map): Use it.
6723         * tree-ssa.c (set_is_used): Remove.
6724
6725 2004-07-22  Ben Elliston  <bje@au.ibm.com>
6726
6727         * gdbinit.in: Set a breakpoint on internal_error.
6728
6729 2004-07-21  Richard Henderson  <rth@redhat.com>
6730
6731         * cfgexpand.c (expand_gimple_tailcall): Fix case where we need
6732         to create a new basic block.
6733
6734 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
6735
6736         PR c/15052
6737         * c-decl.c (grokdeclarator): Only pedwarn for qualified void
6738         return type on function definitions.  Move other warnings for
6739         qualified return type to -Wreturn-type.  Do not condition any such
6740         warnings on -pedantic.  Update comments.
6741         (start_function): Only copy function type from previous prototype
6742         declaration if return types are compatible.
6743         * c-typeck.c (function_types_compatible_p): Don't condition
6744         warning for incompatibility of volatile qualifiers on the return
6745         type on -pedantic.  Update comment.
6746         * doc/invoke.texi (-Wreturn-type, -Wextra): Update.
6747
6748 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
6749
6750         * c-typeck.c (set_init_index): Require designator to be of integer
6751         type.
6752
6753 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
6754
6755         PR c/11250
6756         * c-parse.in (init): Change to exprtype.
6757         (primary): Set original_code for STRING to STRING_CST.
6758         Call maybe_warn_string_init for compound literals.
6759         (initdcl, notype_initdcl): Call maybe_warn_string_init.
6760         (initval): Update.
6761         * c-tree.h (maybe_warn_string_init): New.
6762         (pop_init_level, process_init_element): Use struct c_expr.
6763         (struct c_expr): Update comment.
6764         * c-typeck.c (maybe_warn_string_init): New function.
6765         (digest_init): Call it.  Additional parameter strict_string.  All
6766         callers changed.
6767         (output_init_element): Likewise.
6768         (struct constructor_stack): Use struct c_expr for
6769         replacement_value.
6770         (really_start_incremental_init, push_init_level): Update.
6771         (pop_init_level): Update.  Return struct c_expr.
6772         (process_init_level): Update.  Take struct c_expr argument.
6773
6774 2004-07-21  David S. Miller  <davem@nuts.davemloft.net>
6775
6776         * config/sparc/sparc.c (sparc_rtx_costs): Fix typo in previous
6777         commit.
6778
6779 2004-07-21  Eric Christopher  <echristo@redhat.com>
6780
6781         * builtins.c (expand_builtin_setjmp_receiver): Fix comment for code
6782         removal.
6783         * c-decl.c (pop_scope): Ditto.
6784         * calls.c (expand_call): Remove call to current_nesting_level,
6785         update comment accordingly. Remove calls to expand_start_target_temps
6786         and expand_end_target_temps.
6787         * cfgexpand.c (construct_init_block): Remove call to
6788         expand_start_bindings_and_block.
6789         (construct_exit_block): Remove call to expand_end_bindings.
6790         * expr.c (safe_from_p): Remove BIND_EXPR handling.
6791         (expand_expr_real_1): Ditto. Fix formatting.
6792         (expand_vars): Delete.
6793         * stmt.c (POPSTACK): Remove block_stack.
6794         (stmt_status): Remove x_block_stack.
6795         (block_stack): Delete.
6796         (expand_start_bindings_and_block): Ditto.
6797         (expand_start_target_temps): Ditto.
6798         (expand_end_target_temps): Ditto.
6799         (current_nesting_level): Ditto.
6800         (warn_about_unused_variables): Ditto.
6801         (expand_end_bindings): Ditto.
6802         * tree.h: Remove declarations for above.
6803
6804 2004-07-21  Steven Bosscher  <stevenb@suse.de>
6805
6806         * rtl.h (insn_note): Remove NOTE_INSN_PREDICTION.
6807         * rtl.c (note_insn_name): Likewise.
6808         * print-rtl.c (print_rtx): Don't print it.
6809         * cfgrtl.h (can_delete_note_p): Don't handle it.
6810         (rtl_delete_block): Likewise.
6811         * passes.c (rest_of_handle_guess_branch_prob): Remove.
6812         (rest_of_compilation): Don't call it.
6813         * predict.c (process_note_predictions, process_note_prediction,
6814         note_prediction_to_br_prob): Remove.
6815         * basic-block.c (note_prediction_to_br_prob): Remove prototype.
6816         * stmt.c (return_prediction): Remove.
6817         (expand_value_return): Don't call it.  Don't add prediction
6818         notes for return statements.
6819
6820 2004-07-21  Josef Zlomek  <zlomekj@suse.cz>
6821
6822         * var-tracking.c (vt_find_locations): Set the in_pending bitmap at
6823         once.
6824
6825 2004-07-21  Paolo Bonzini  <bonzini@gnu.org>
6826
6827         * c-common.c (vector_types_convertible_p): Use vector types'
6828         TYPE_SIZE and TREE_TYPE instead of their mode.
6829         * convert.c (convert_to_integer): Likewise.
6830         (convert_to_vector): Likewise.
6831         * fold-const.c (fold_convert): Likewise.
6832         * varasm.c (output_constant): Likewise.
6833         * expr.c (store_constructor): Split ARRAY_TYPE and VECTOR_TYPE.
6834         Allow a VECTOR_TYPE initializer to be made of several vectors.
6835         For ARRAY_TYPEs and VECTOR_TYPES, simplify a bit the handling
6836         of cleared and need_to_clear, and use fold_convert.
6837         * c-typeck.c (build_binary_op): Do not use RDIV_EXPR for
6838         integer vectors.
6839
6840 2004-07-20  Richard Henderson  <rth@redhat.com>
6841
6842         * cfgexpand.c (expand_gimple_cond_expr, expand_gimple_tailcall): Split,
6843         (expand_gimple_basic_block): out from here.  Renamed from expand_block.
6844
6845 2004-07-20  David S. Miller  <davem@nuts.davemloft.net>
6846
6847         * config/sparc/sparc.c (sparc_rtx_costs case MULT): Emit
6848         enormous cost if not TARGET_HARD_MUL.
6849
6850 2004-07-20  Andrew Pinski  <apinski@apple.com>
6851
6852         PR target/16557
6853         * config/i386/darwin.h (CC1_SPEC): Move the -g SPECs from ...
6854         (ASM_SPEC): here.
6855
6856 2004-07-21  Paul brook  <paul@codesourcery.com>
6857
6858         * config/arm/arm.c (thumb_expand_prologue): Remove bogus GEN_INT.
6859
6860 2004-07-20  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6861
6862         * fold-const.c (operand_equal_p): Temporarily support NULL args.
6863         (operand_equal_p, case ARRAY_REF): Compare args 2 and 3.
6864         (operand_equal_p, case COMPONENT_REF): Likewise, for arg 2.
6865
6866 2004-07-20  Zack Weinberg  <zack@codesourcery.com>
6867
6868         * rtl.h (plus_constant): Delete.
6869         (plus_constant_wide): Rename to plus_constant.
6870         (plus_constant_for_output_wide): Delete vestigial prototype.
6871         (GEN_INT): Remove unnecessary cast.
6872         * tree.h (build_int_2, size_int_type): Delete.
6873         (build_int_2_wide): Rename to build_int_2.
6874         (size_int_wide): Rename to size_int_kind.
6875         (size_int_type_wide): Rename to size_int_type.
6876         (size_int, ssize_int, bitsize_int, sbitsize_int): Use size_int_kind.
6877         Remove unnecessary cast.
6878         * tree.c (build_int_2_wide): Rename build_int_2; update comment.
6879         * explow.c (plus_constant_wide): Rename plus_constant; update comment.
6880         * fold-const.c (size_int_wide): Rename size_int_kind. Use size_int_type.
6881         (size_int_type_wide): Rename size_int_type.
6882         (int_const_binop): Use size_int_type.
6883         * c-lex.c (interpret_integer): Use build_int_2.
6884         * final.c (split_double): Remove unnecessary casts.
6885         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use build_int_2.
6886
6887 2004-07-20  Richard Henderson  <rth@redhat.com>
6888
6889         * gimplify.c (is_gimple_tmp_var): Move to tree-gimple.c.
6890         (gimplify_compound_lval): Use is_gimple_tmp_reg.
6891         * tree-gimple.c (is_gimple_tmp_var): Move from gimplify.c.
6892         (is_gimple_tmp_reg): New.
6893         * tree-gimple.h (is_gimple_tmp_reg): Declare.
6894
6895 2004-07-20  Richard Henderson  <rth@redhat.com>
6896
6897         * tree-pretty-print.c (dump_generic_node): Dump
6898         CALL_EXPR_HAS_RETURN_SLOT_ADDR.
6899
6900 2004-07-20  Frank Ch. Eigler  <fche@redhat.com>
6901
6902         * tree-mudflap.c (mf_set_options_fndecl): New tree.
6903         (mudflap_init): Set it.
6904         (mudflap_register_call): Remove __mf_init call.
6905         (mudflap_finish_file): Emit call to __mf_init here.  Emit a call to
6906         to pass "-ignore-reads" option to libmudflap if needed.
6907
6908 2004-07-20  John David Anglin  <dava.anglin@nrc-cnrc.gc.ca>
6909
6910         PR c++/14607
6911         * config/pa/pa-hpux10.h (SUPPORTS_ONE_ONLY): Define.
6912         (MAKE_DECL_ONE_ONLY): Undefine.
6913         * pa-protos.h (som_text_section_asm_op, one_only_readonly_data_section,
6914         readonly_data, one_only_data_section, forget_section): New prototypes.
6915         * pa.c (pa_init_machine_status, som_text_section_asm_op): New
6916         functions.
6917         (pa_select_section): Add one-only (COMDAT) support.
6918         * pa.h (struct machine_function): Define.
6919         * som.h (ASM_OUTPUT_FUNCTION_PREFIX): Delete.
6920         (TEXT_SECTION_ASM_OP): Call som_text_section_asm_op.
6921         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
6922         ONE_ONLY_TEXT_SECTION_ASM_OP, ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
6923         ONE_ONLY_DATA_SECTION_ASM_OP): New defines.
6924         (EXTRA_SECTIONS): Add in_one_only_readonly_data and in_one_only_data.
6925         (EXTRA_SECTION_FUNCTIONS): Rework to use individual function macros.
6926         (READONLY_DATA_FUNCTION, ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
6927         ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): New defines
6928         for EXTRA_SECTION_FUNCTIONS.
6929         * doc/install.texi: Update binutils requirements.
6930
6931 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
6932
6933         * vec.h (VEC_T_length, VEC_T_index, VEC_T_iterate, VEC_T_truncate,
6934         VEC_T_replace, VEC_T_quick_insert, VEC_T_safe_insert,
6935         VEC_T_ordered_remove, VEC_T_unordered_remove): Use unsigned, not
6936         size_t.
6937         (struct VEC): Use unsigned for num and alloc.
6938         * vec.c (struct vec_prefix): Likewise.
6939         (vec_o_reserve): Adjust.
6940
6941         * dbxout.c (dbxout_type): Fix printf format.
6942
6943         * tree.h (binfo_member): Remove.
6944         * tree.c (binfo_member): Remove.
6945
6946 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
6947
6948         * tree.h: Include vec.h
6949         (DEF_VEC_P(tree)): New type.
6950         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): Adjust.
6951         (BINFO_BASE_APPEND, BINFO_BASE_ITERATE): New.
6952         (BINFO_LANG_SLOT): Remove.
6953         (BINFO_SUBVTT_INDEX, BINFO_VPTR_INDEX, BINFO_PRIMARY_BASE_OF): New.
6954         (struct tree_binfo): Turn base_binfos into a trailing
6955         VEC(tree). Add vtt_subvtt, vtt_vptr, primary fields.
6956         (binfo_lang_slots): Remove.
6957         * tree.c (binfo_lang_slots): Remove.
6958         (make_tree_binfo_stat): Take a base binfo count, not a
6959         lang slot count.  Adjust.
6960         * Makefile.in (TREE_H): Add vec.h
6961         * alias.c (record_component_aliases): Adjust BINFO access.
6962         * dbxout.c (dbxout_type): Likewise.
6963         * dwarf2out.c (gen_member_die): Likewise.
6964         * sdbout.c (sdbout_one_type): Likewise.
6965         * tree-dump.c (deque_and_dump): Likewise.
6966         * config/i386/i386.c (classify_argument,
6967         contains_128bit_aligned_vector_p): Likewise.
6968         * config/sh/symbian.c (symbian_export_vtable_and_rtti_p): Likewise.
6969         * doc/c-tree.texi (Classes): Update BINFO documentation.
6970
6971 2004-07-20  Steven Bosscher  <stevenb@suse.de>
6972
6973         * c-common.h (check_case_value): Remove prototype.
6974         (c_add_case_label): Adjust prototype.
6975         * c-common.c (check_case_value): Make static.
6976         (check_case_bounds): New function.
6977         (c_add_case_label): Use it.  Take new argument orig_type.
6978         * c-typeck.c (struct c_switch): New orig_type field.
6979         (c_start_case): Set it.
6980         (do_case): Pass it to c_add_case_label.
6981         * expr.c (expand_expr_real_1): Don't warn for out-of-bounds
6982         cases from here.  Add the labels in reverse order.
6983         * stmt.c (struct case_node): Adjust comment.  Remove balance field.
6984         (add_case_node): Return nothing, don't check for duplicate cases.
6985         Insert new case nodes in a list, not in an AVL tree.
6986         (expand_end_case_type): Don't turn a case tree into a case list.
6987         (case_tree2list): Remove.
6988         * tree.h (add_case_node): Adjust prototype.
6989
6990 2004-07-19  Paolo Bonzini  <bonzini@gnu.org>
6991
6992         * genattr.c (struct range, struct function_unit,
6993         write_units, extend_range, init_range): Remove them.
6994         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
6995         Output "#define INSN_SCHEDULING" here.
6996         * genattrtab.c (struct range, struct function_unit_op,
6997         struct function_unit, struct dimension, enum operator,
6998         operate_exp, expand_units, simplify_knowing,
6999         encode_units_mask, simplify_by_exploding,
7000         find_and_mark_used_attributes, unmark_used_attributes,
7001         add_values_to_cover, increment_current_value,
7002         test_for_current_value, simplify_with_current_value,
7003         simplify_with_current_value_aux, gen_unit,
7004         write_unit_name, write_function_unit_info,
7005         write_complex_function, write_toplevel_expr,
7006         find_single_value, extend_range): Remove.
7007         (write_attr_get): Do not handle common_av->value
7008         being an FFS.
7009         (struct attr_desc): Remove func_units_p and blockage_p.
7010         (write_attr_valueq): Do not handle them.
7011         (find_attr): Do not clear them.
7012         (make_internal_attr): Do not initialize them.
7013         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
7014         * sched-vis.c (init_target_units, insn_print_units,
7015         init_block_visualization, print_block_visualization,
7016         visualize_scheduled_insns, visualize_no_unit,
7017         visualize_stall_cycles, visualize_alloc,
7018         visualize_free, target_units, get_visual_tbl_length,
7019         MAX_VISUAL_LINES, INSN_LEN, n_visual_lines,
7020         visual_tbl_line_length, visual_tbl, n_vis_no_unit,
7021         MAX_VISUAL_NO_UNIT, vis_no_unit): Remove.
7022         * haifa-sched.c (blockage_range, clear_units,
7023         schedule_unit, actual_hazard, potential_hazard,
7024         insn_unit, unit_last_insn, unit_tick,
7025         actual_hazard_this_instance, potential_hazard,
7026         schedule_unit, max_insn_queue_index_value): Remove.
7027         (MAX_INSN_QUEUE_INDEX): Removed, renamed throughout to
7028         max_insn_queue_index.
7029         * rtl.def (DEFINE_FUNCTION_UNIT): Remove.
7030         * doc/md.texi (Processor pipeline description): Remove
7031         references to old pipeline descriptions.
7032         (Automaton pipeline description): Merge with the above.
7033         (Old pipeline description, Comparison of the two descriptions):
7034         Remove.
7035
7036         * bt-load.c (migrate_btr_def): Remove references to
7037         use_pipeline_interface.
7038         * haifa-sched.c (insn_cost, schedule_insn,
7039         schedule_block, advance_one_cycle, sched_init,
7040         queue_to_ready, sched_finish): Likewise.
7041         * modulo-sched.c (sms_schedule, advance_one_cycle,
7042         ps_has_conflicts): Likewise.
7043         * sched-rgn.c (init_ready): Likewise.
7044         (debug_dependencies): Likewise, and remove an "if (1)".
7045         * target.h (use_dfa_pipeline_interface): Remove.
7046         * config/alpha/alpha.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7047         * config/arc/arc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7048         * config/arm/arm.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7049         * config/c4x/c4x.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7050         * config/frv/frv.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7051         * config/i386/i386.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7052         * config/ia64/ia64.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7053         * config/iq2000/iq2000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7054         * config/m32r/m32r.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7055         * config/mcore/mcore.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7056         * config/mips/mips.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7057         * config/pa/pa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7058         * config/rs6000/rs6000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7059         * config/s390/s390.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7060         * config/sh/sh.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7061         * config/sparc/sparc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7062         * config/v850/v850.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7063         * config/xtensa/xtensa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7064         * doc/tm.texi (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7065
7066 2004-07-19  Roger Sayle  <roger@eyesopen.com>
7067
7068         * rtlanal.c (reg_set_p): Add check for regs_invalidated_by_call.
7069
7070 2004-07-19  Jeff Law  <law@redhat.com>
7071
7072         * tree-ssa-dom.c (single_incoming_edge_ignoring_loop_edges): New.
7073         (get_eq_expr_value): Use it.  Simplify slightly.
7074
7075 2004-07-19  Maciej W. Rozycki  <macro@linux-mips.org>
7076
7077         * config/mips/mips.md (mulsidi3_32bit_r4000): Fix the clobber list.
7078         (umulsidi3_32bit_r4000): Likewise.
7079
7080 2004-07-19  Nathan Sidwell  <nathan@codesourcery.com>
7081
7082         * vec.h: Propagate location information properly.
7083         (VEC_T_iterate): Add result pointer parameter.
7084         (VEC_T_space): New.
7085         (VEC_T_reserve): Use it.
7086
7087 2004-07-19  Daniel Jacobowitz  <dan@debian.org>
7088
7089         * Makefile.in (c-format.o): Depend on c-format.h.
7090         * c-format.h: New file.
7091         (struct format_char_info): Add CHAIN member.
7092         * c-format.c: Move some types and constants to c-format.h.
7093         (format_type_error): Set to -1.
7094         (struct function_format_info): Use an int for format_type.
7095         (decode_format_type): Return an int.  Return format_type_error
7096         on error.
7097         (print_char_table, asm_fprintf_char_table, gcc_diag_char_table)
7098         (gcc_diag_char_table, gcc_cdiag_char_table, gcc_cxxdiag_char_table)
7099         (scan_char_table, time_char_table, monetary_char_table): Initialize
7100         CHAIN to NULL.
7101         (n_format_types): New variable.
7102         (check_format_info_main): Handle CHAIN in format_char_info.
7103         (handle_format_attribute): Handle TARGET_FORMAT_TYPES and
7104         TARGET_N_FORMAT_TYPES.
7105         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
7106         (sparc-*-solaris2*): Include config/t-sol2 and config/sol2-c.c.
7107         * config/sol2-c.c: New file.
7108         * config/t-sol2: New file.
7109         * config/sol2.h (TARGET_N_FORMAT_TYPES, TARGET_FORMAT_TYPES): Define.
7110         * config/sparc/elf.h, config/sparc/sp64-elf.h: Undefine
7111         TARGET_N_FORMAT_TYPES and TARGET_FORMAT_TYPES.
7112
7113         * doc/extend.texi (Target Format Checks): New section.
7114         (Function Attributes): Mention it.
7115         * doc/invoke.texi: Mention target format checks.
7116         * doc/sourcebuild.texi: Mention target format checks.
7117         * dc/tm.texi (Misc): Document TARGET_N_FORMAT_TYPES and
7118         TARGET_FORMAT_TYPES.
7119
7120 2004-07-19  Andreas Krebbel  <krebbel1@de.ibm.com>
7121
7122         * config/s390/s390-protos.h (s390_return_address_offset): Prototype
7123         added.
7124         * config/s390/s390.c (regclass_map initializer): Register 35 added to
7125         ADDR_REGS.
7126         (load_multiple_operation, store_multiple_operation): Removed
7127         pointless sanity check.
7128         (s390_decompose_address): Added check for return_address_pointer_rtx.
7129         (s390_return_addr_rtx): Use return_address_pointer_rtx for count == 0.
7130         (s390_return_address_offset): New function.
7131         * config/s390/s390.h (FIRST_PSEUDO_REGISTER): Increased to 36.
7132         (FRAME_REGNO_P): Added check for register 35.
7133         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS,
7134         REG_ALLOC_ORDER): Appended entry for register 35.
7135         (REG_CLASS_CONTENTS): Adjusted class masks for register 35.
7136         (EH_RETURN_HANDLER_RTX): Use return_address_pointer_rtx.
7137         (RETURN_ADDRESS_POINTER_REGNUM): New macro.
7138         (ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET): Return address pointer
7139         is eliminable using stack pointer or hard frame pointer.
7140         (REGISTER_NAMES): Added name for register 35.
7141         * config/s390/s390.md ("load_multiple", "store_multiple"): Removed
7142         pointless sanity check.
7143
7144 2004-07-19  Roger Sayle  <roger@eyesopen.com>
7145
7146         * fold-const.c (tree_expr_nonzero_p): Add function prototype.
7147         (fold) <EQ_EXPR>: Move tree_expr_nonzero_p optimization from
7148         fold_relational_const to here, i.e. "(x | 5) == 0" -> false.
7149         (fold) (UNEQ_EXPR>: Add optimizations for unordered comparisons
7150         of the form "x op x" where op is UNLE, UNGE, UNEQ or LTGT.
7151         (fold_relational_const): Tidy up handling of floating point
7152         comparisons by calling real_compare.  Remove tree_expr_nonzero_p
7153         transformation; fold_relational_const assumes constant operands.
7154
7155 2004-07-19  Gabriel Dos Reis  <gdr@integrable-solution.net>
7156
7157         * doc/sourcebuild.texi: Add libcpp, now that CPP has its own
7158         directory.
7159
7160 2004-07-19  Joseph S. Myers  <jsm@polyomino.org.uk>
7161
7162         * c-tree.h (struct c_expr): Define.
7163         (C_SET_EXP_ORIGINAL_CODE): Remove.
7164         (parser_build_binary_op, build_compound_expr): Update prototypes.
7165         * c-parse.in (%union): Add exprtype.
7166         (FUNC_NAME): Mark as ttype.
7167         (expr, expr_no_commas, cast_expr, unary_expr, primary): Change to
7168         exprtype.
7169         (expr): Update.  Define directly in terms of expr_no_commas
7170         instead of using nonnull_exprlist.
7171         (nonnull_exprlist, unary_expr, cast_expr, expr_no_commas, primary,
7172         offsetof_member_designator, typespec_nonreserved_nonattr, init,
7173         initval, designator, component_declarator,
7174         component_notype_declarator, enumerator, array_declarator,
7175         condition, exexpr, switch_statement, stmt_nocomp, stmt,
7176         nonnull_asm_operands, ivar_declarator, receiver): Update.  Don't
7177         set C_EXP_ORIGINAL_CODE.  Use TREE_NO_WARNING for assignments
7178         where appropriate.
7179         * c-common.h (C_EXP_ORIGINAL_CODE): Remove.
7180         * c-common.c (c_common_truthvalue_conversion): Don't check
7181         C_EXP_ORIGINAL_CODE.
7182         * c-typeck.c (parser_build_binary_op): Use c_expr structures.
7183         Don't use C_EXP_ORIGINAL_CODE.
7184         (default_conversion, default_function_array_conversion): Don't use
7185         C_EXP_ORIGINAL_CODE.  Preserve TREE_NO_WARNING.
7186         (internal_build_compound_expr): Merge into build_compound_expr.
7187         (build_compound_expr): Take two operands instead of a TREE_LIST.
7188         * objc/objc-act.c (get_super_receiver): Update calls to
7189         build_compound_expr.
7190
7191 2004-07-18  Paolo Bonzini  <bonzini@gnu.org>
7192
7193         * config/sh/sh.c (sh_use_dfa_interface): Remove.
7194         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Set to
7195         hook_int_void_1.
7196         * config/sh/sh.md: Extract pipeline descriptions
7197         into separate files.
7198         * config/sh/sh1.md: New file, extracted from sh.md.
7199         * config/sh/sh4.md: New file, extracted from sh.md.
7200         * config/sh/shmedia.md: New file, extracted from sh.md
7201         and rewritten using new-style pipeline description.
7202
7203 2004-07-18  Zack Weinberg  <zack@codesourcery.com>
7204
7205         * config/pa/pa.md: Delete the two remaining define_peephole
7206         patterns.
7207
7208 2004-07-18  Steven Bosscher  <stevenb@suse.de>
7209             Joseph S. Myers  <jsm@polyomino.org.uk>
7210
7211         * c-common.c (c_common_truthvalue_conversion): Don't warn if
7212         TREE_NO_WARNING is set.
7213
7214 2004-07-18  Roger Sayle  <roger@eyesopen.com>
7215
7216         * builtins.c (simplify_builtin_memcmp, simplify_builtin_strcmp,
7217         simplify_builtin_strncmp): Delete.
7218         (fold_builtin_memcmp, fold_builtin_strcmp, fold_builtin_strncmp):
7219         Change argument to accept an arglist instead of an "exp".  Assume
7220         that the return type is always integer_type_node.  Copy missing
7221         transformations from their now obsolete simplify_builtin_*
7222         equivalents.
7223         (fold_builtin_1): Pass arglist instead of exp to fold_builtin_memcmp,
7224         fold_builtin_strcmp and fold_builtin_strncmp.
7225         (simplify_builtin): Call fold_builtin_memcmp, fold_builtin_strcmp
7226         and fold_builtin_strncmp instead of simplify_builtin_memcmp,
7227         simplify_builtin_strcmp and simplify_builtin_strncmp respectively.
7228
7229 2004-07-18  Daniel Jacobowitz  <dan@debian.org>
7230
7231         * Makefile.in (tree-alias-common.o): Update dependencies.
7232
7233 2004-07-17  Sebastian Pop  <pop@cri.ensmp.fr>
7234
7235         * cfgloop.c (flow_loop_nested_p): Fix comment.
7236
7237 2004-07-17  Jason Merrill  <jason@redhat.com>
7238
7239         PR c++/16115
7240         * stor-layout.c (relayout_decl): New fn.
7241         * tree.h: Declare it.
7242         (DECL_BY_REFERENCE): New macro.
7243
7244 2004-07-17  Eric Botcazou  <ebotcazou@act-europe.fr>
7245
7246         * libgcc2.c (__enable_execute_stack): New symbol.
7247         * libgcc-std.ver (GCC_3.4.2): New version.  Inherit from GCC_3.4
7248         and declare __enable_execute_stack.
7249         * mklibgcc.in (lib2funcs): Add _enable_execute_stack.
7250         * config/netbsd.h (NETBSD_ENABLE_EXECUTE_STACK): ANSIfy.
7251         * config/sol2.h (TRANSFER_FROM_TRAMPOLINE): Rename into
7252         ENABLE_EXECUTE_STACK.
7253         * config/alpha/alpha.c (alpha_initialize_trampoline): Conditionalize
7254         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
7255         * config/alpha/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Rename into
7256         ENABLE_EXECUTE_STACK.
7257         * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
7258         * config/i386/i386.c (x86_initialize_trampoline): Conditionalize
7259         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
7260         * config/i386/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Rename into
7261         ENABLE_EXECUTE_STACK.
7262         * config/i386/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
7263         * config/i386/netbsd64.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
7264         * config/sparc/freebsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
7265         * config/sparc/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
7266         * config/sparc/sparc.c (sparc_initialize_trampoline): Conditionalize
7267         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
7268         (sparc64_initialize_trampoline): Likewise.
7269         * doc/tm.texi (trampolines): Add ENABLE_EXECUTE_STACK macro.
7270
7271 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
7272
7273         * langhooks.h (builtin_function): New langhook.
7274         * langhooks-def.h (LANG_HOOKS_BUILTIN_FUNCTION): New.
7275         (LANG_HOOKS_INITIALIZER): Update.
7276         * tree.h (builtin_function): Remove.
7277         * doc/tm.texi: Update.
7278         * c-tree.h (builtin_function): Declare.
7279         * c-common.c, config/alpha/alpha.c, config/arm/arm.c,
7280         config/c4x/c4x.c, config/frv/frv.c, config/i386/i386.c,
7281         config/ia64/ia64.c, config/iq2000/iq2000.c,
7282         config/rs6000/rs6000.c, config/s390/s390.c, config/sh/sh.c,
7283         config/stormy16/stormy16.c: All callers of builtin_function
7284         changed.
7285
7286 2004-07-17  Andrew Pinski  <pinskia@physics.uc.edu>
7287
7288         PR target/16556
7289         * config/i386/darwin.h (UNLIKELY_EXECUTED_TEXT_SECTION_NAME):
7290         Remove white space after the backslash.
7291
7292 2004-07-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
7293
7294         PR rtl-optimization/16294
7295         * resource.c (return_insn_p): New predicate.
7296         (mark_target_live_regs): Use it.  Special-case return insns.
7297         (init_resource_info): Use it.  Don't scan the epilogue past
7298         a return.
7299
7300 2004-07-17  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
7301
7302         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Do not
7303         destroy dominance information.
7304         * passes.c (rest_of_handle_loop2):  Free dominance information.
7305         * tree-cfg.c (cleanup_tree_cfg): Remove unreachable blocks before
7306         jump threading.
7307         (thread_jumps): Update dominance information and remove unreachable
7308         blocks.
7309         * tree-ssa-phiopt.c (replace_phi_with_stmt):  Update dominance
7310         information and remove the unreachable block.
7311
7312 2004-07-17  Graham Stott  <graham.stott@btinternet.com>
7313
7314         * emit-rtl.c (reorder_insns): Don't set BB for a BARRIER insn.
7315
7316 2004-07-17  Toon Moene  <toon@moene.indiv.nluug.nl>
7317
7318         * doc/sourcebuild.texi: Remove libf2c entry.
7319
7320 2004-07-17  Paolo Bonzini  <bonzini@gnu.org>
7321
7322         * config/i386/i386.md (movv16qi_internal): Fix typo.
7323
7324 2004-07-17  Steven Bosscher  <stevenb@suse.de>
7325
7326         * final.c (final_scan_insn): Fix broken commit from previous
7327         patch.
7328
7329 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
7330
7331         * c-typeck.c (parser_build_binary_op): Condition warnings for
7332         X<=Y<=Z on -Wparentheses instead of -Wextra.
7333         * doc/invoke.texi: Update.  Document that most of -Wparentheses is
7334         supported for C only.
7335
7336 2004-07-17  Steven Bosscher  <stevenb@suse.de>
7337
7338         * cfgcleanup.c (try_simplify_condjump): Don't remove line
7339         notes to avoid unreachable code warnings.
7340         * toplev.c (backend_init): Don't emit line notes for
7341         unreachable code warnings.
7342
7343         * combine.c (distribute_notes): Don't distribute a
7344         REG_VTABLE_REF note.
7345         * final.c (final_scan_insn): Don't handle it.
7346         * rtl.c (reg_note_name): Remove it.
7347         * rtl.h (enum reg_node): Dito.
7348
7349         * emit-rtl.c (force_line_numbers, restore_line_number_status):
7350         Remove.
7351         * rtl.h (force_line_numbers, restore_line_number_status):
7352         Remove prototypes.
7353
7354         * stmt.c (using_eh_for_cleanups_p, using_eh_for_cleanups): Move...
7355         * tree-eh.c (using_eh_for_cleanups_p): ...here.  Make static.
7356         (using_eh_for_cleanups): Also moved here.
7357
7358         * expr.c (expand_expr_real_1) <CASE_LABEL_EXPR>: Die if we see one.
7359         <SWITCH_EXPR>: Die if we have a non-NULL SWITCH_BODY.  Update calls
7360         to expand_start_case and add_case_node.
7361         * stmt.c (struct nesting): Cleanup unused fields condition_code,
7362         last_unconditional_cleanup, nominal_type, printname, and
7363         line_number_status.
7364         (struct fixup_goto): Remove.
7365         (struct stmt_status): Remove x_goto_fixup_chain field.
7366         (goto_fixup_chain): Remove.
7367         (strip_default_case_nodes, group_case_nodes, emit_jump_if_reachable,
7368         pushcase, pushcase_range): Remove.
7369         (expand_start_bindings_and_block): Don't set unused fields in
7370         the nesting stack.
7371         (expand_start_case, add_case_node): Cleanup unused formal arguments.
7372         (expand_end_case_type): Don't simplify the case-list.  Use emit_jump
7373         instead of emit_jump_if_reachable.
7374         (emit_case_nodes): Likewise.
7375         * tree-cfg.c (group_case_labels, cleanup_dead_labels): No longer
7376         static.
7377         (update_eh_label): Work around left-over exception handing regions.
7378         * tree-flow.h (group_case_labels, cleanup_dead_labels): Add protos.
7379         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): New function.
7380         (pass_cleanup_cfg_post_optimizing): New pass.
7381         (init_tree_optimization_passes): Run the new pass after all
7382         optimizations.
7383         * tree.h (pushcase, pushcase_range): Remove prototypes.
7384         (expand_start_case, add_case_node): Update prototypes.
7385
7386 2004-07-16  Krister Walfridsson  <cato@df.lth.se>
7387
7388         * tree-inline.c (estimate_num_insns_1): Correct increase of count.
7389
7390 2004-07-16  Richard Henderson  <rth@redhat.com>
7391
7392         * builtins.c (std_expand_builtin_va_arg): Remove.
7393         (expand_builtin_va_arg): Remove.
7394         * expr.h: Don't declare them.
7395         * gimplify.c (mark_decls_volatile_r): Remove.
7396         (copy_if_shared_r): Don't call it.
7397         * target-def.h: Don't test EXPAND_BUILTIN_VA_ARG.
7398         * expr.c (expand_expr_real_1): Don't handle VA_ARG_EXPR.
7399         * gimple-low.c (lower_stmt): Likewise.
7400         * tree-cfg.c (cfg_remove_useless_stmts_bb): Likewise.
7401         * tree-gimple.c (is_gimple_tmp_rhs, is_gimple_stmt): Likewise.
7402         * tree-ssa-operands.c (get_expr_operands): Likewise.
7403         * doc/tm.texi (TARGET_GIMPLIFY_VA_ARG_EXPR): Don't mention
7404         EXPAND_BUILTIN_VA_ARG.
7405         * system.h (EXPAND_BUILTIN_VA_ARG): Poison.
7406         * config/alpha/alpha.h, config/alpha/unicosmk.h, config/i386/i386.h,
7407         config/ia64/ia64.h, config/rs6000/rs6000.h, config/s390/s390.h,
7408         config/sparc/sparc.h (EXPAND_BUILTIN_VA_ARG): Remove.
7409
7410 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
7411
7412         * tree-ssa-pre.c (insert_aux): Break out if we hit
7413         a critical edge.
7414
7415 2004-07-16  Richard Henderson  <rth@redhat.com>
7416
7417         * basic-block.h (remove_fake_exit_edges): Declare.
7418         * cfganal.c (remove_fake_predecessors): Rename from
7419         remove_fake_successors; iterate over predecessors.
7420         (remove_fake_exit_edges): New.
7421         * cfgcleanup.c (try_optimize_cfg): Use it.
7422         * gcse.c (one_pre_gcse_pass, store_motion): Likewise.
7423         * predict.c (estimate_probability): Likewise.
7424         (tree_estimate_probability, note_prediction_to_br_prob): Likewise.
7425         * tree-cfg.c (make_edges): Likewise.
7426         * tree-ssa-pre.c (fini_pre): Likewise.
7427         * profile.c (instrument_edges): Don't remove_fake_edges.
7428         (branch_prob): Do it earlier here.
7429
7430 2004-07-16  Richard Henderson  <rth@redhat.com>
7431
7432         * tree-ssa-operands.c (get_expr_operands): Fix 2004-07-15
7433         switchification wrt CONSTRUCTOR.  Document the reason.
7434
7435 2004-07-16  Frank Ch. Eigler  <fche@redhat.com>
7436
7437         * tree-mudflap.c (mf_file_function_line_tree): Correct typo
7438         that prevented descriptive __mf_check source location strings.
7439
7440 2004-07-16  Richard Henderson  <rth@redhat.com>
7441
7442         * tree-def (WITH_SIZE_EXPR): New.
7443         * explow.c (expr_size, int_expr_size): Handle WITH_SIZE_EXPR.
7444         * expr.c (expand_expr_real_1): Likewise.
7445         * gimplify.c (maybe_with_size_expr): New.
7446         (gimplify_arg, gimplify_modify_expr): Use it.
7447         (gimplify_modify_expr_to_memcpy): Take size parameter.
7448         (gimplify_modify_expr_to_memset): Likewise.
7449         (gimplify_expr): Handle WITH_SIZE_EXPR.
7450         * tree-alias-common.c (find_func_aliases): Likewise.
7451         * tree-eh.c (tree_could_trap_p): Likewise.
7452         (tree_could_throw_p): Likewise.
7453         * tree-gimple.c (is_gimple_lvalue): Likewise.
7454         (get_call_expr_in): Likewise.
7455         * tree-inline.c (estimate_num_insns_1): Likewise.
7456         (expand_calls_inline): Likewise.
7457         * tree-nested.c (convert_call_expr): Likewise.
7458         * tree-pretty-print.c (dump_generic_node): Likewise.
7459         * tree-sra.c (sra_walk_expr): Likewise.
7460         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
7461         * tree-ssa-ccp.c (get_rhs, set_rhs): Likewise.
7462         * tree-ssa-operands.c (get_expr_operands): Likewise.
7463         * tree-tailcall.c (find_tail_calls): Likewise.
7464
7465         * calls.c (expand_call): Reset old_stack_allocated after
7466         calling emit_stack_restore.
7467
7468 2004-07-16  Richard Henderson  <rth@redhat.com>
7469
7470         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_COPY_RES_DECL_FOR_INLINING,
7471         lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
7472         * langhooks.c (lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
7473         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
7474         copy_res_decl_for_inlining.
7475
7476         * tree-inline.c (declare_return_variable): New modify_dest argument.
7477         Use it as the return value, when possible or manditory.  Handle
7478         TREE_ADDRESSABLE types.
7479         (expand_call_inline): Extract MODIFY_EXPR lhs for call.  Simplify
7480         replacement of CALL_EXPR.
7481
7482 2004-07-16  Richard Henderson  <rth@redhat.com>
7483
7484         * tree-flow.h (struct var_ann_d): Remove has_hidden_use.
7485         * gimple-low.c (expand_var_p): Don't check it.
7486         * tree-ssa-alias.c (setup_pointers_and_addressables): Likewise.
7487         * tree-ssa-copyrename.c (rename_ssa_copies): Likewise.
7488         * tree-ssa-operands.c (add_stmt_operand): Likewise.
7489         * tree-dfa.c (find_hidden_use_vars, find_hidden_use_vars_r): Kill.
7490         (find_referenced_vars): Don't call them.
7491         * tree-flow-inline.h (has_hidden_use, set_has_hidden_use): Kill.
7492
7493 2004-07-16  Richard Henderson  <rth@redhat.com>
7494
7495         * function.c (pass_by_reference): True for all variable sized types.
7496
7497 2004-07-16  Sebastian Pop  <pop@cri.ensmp.fr>
7498
7499         * Makefile.in (tree-pretty-print.o): Depend on tree-chrec.h.
7500         * tree-pretty-print.c: Include tree-chrec.h.
7501         (dump_generic_node): Pretty print SCEV_KNOWN, SCEV_NOT_KNOWN
7502         and POLYNOMIAL_CHREC nodes.
7503
7504 2004-07-16  Steve Ellcey  <sje@cup.hp.com>
7505
7506         * builtins.c (expand_builtin_stpcpy): Do not create temporary
7507         reg with VOIDmode.
7508
7509 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
7510
7511         * config/rs6000/eabi.asm (__eabi_convert): Fix typo (cmpi vs. cmpwi).
7512
7513 2004-07-16  Andreas Krebbel  <krebbel1@de.ibm.com>
7514
7515         * config/s390/s390.md: Changed every occurence of BASE_REGISTER
7516         to BASE_REGNUM.
7517         * config/s390/s390.c: Likewise.
7518         * config/s390/s390.h: Likewise.
7519
7520 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
7521
7522         * config/mips/mips.md (addsi3, adddi3): Remove special handling
7523         of $sp adds.  Remove REGNO checks from mips16 patterns.
7524
7525 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
7526
7527         * config/mips/mips.md: Delete outdated comment.
7528
7529 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
7530
7531         * config/mips/mips.c (get_float_compare_codes): Delete.
7532         (mips_emit_compare): New function, mostly extracted from
7533         get_float_compare_codes and gen_conditional_branch.
7534         (gen_conditional_branch, gen_conditional_move): Use it.
7535
7536 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
7537
7538         * genautomata.c (add_vect): Speedup by using integers as
7539         bit-vectors for walking through the comb_vect and finding
7540         a match.
7541
7542 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
7543
7544         * config/mips/mips.c (mips_zero_if_equal): Only use XORs if the second
7545         operand is an uns_arith_operand; use subtraction otherwise.
7546         * config/mips/mips.md (cmpsi, cmpdi): Allow any nonmemory_operand,
7547         not just arith_operands.
7548
7549 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
7550
7551         * config/mips/mips-protos.h (gen_int_relational): Delete.
7552         (mips_emit_scc): Declare.
7553         * config/mips/mips.c (internal_test): Delete.
7554         (sle_operand, sleu_operand): New functions.
7555         (map_test_to_internal_test, gen_int_relational): Delete.
7556         (mips_emit_binary, mips_relational_operand_ok_p)
7557         (mips_emit_int_relational, mips_zero_if_equal)
7558         (mips_emit_scc): New functions.
7559         (gen_conditional_branch): Rework to use mips_emit_int_relational.
7560         * config/mips/mips.h (PREDICATE_CODES): Add sle_operand and
7561         sleu_operand.
7562         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
7563         (sltu, sleu): Use mips_emit_scc.
7564         (*sge_[sd]i, *sgeu_[sd]i): New patterns.
7565         (*sle_[sd]i, *sle_[sd]i_mips16): Use sle_operand.
7566         (*sleu_[sd]i, *sleu_[sd]i_mips16): Use sleu_operand.
7567
7568 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
7569
7570         * config/mips/mips.md (*sgt_di_mips16): Fix destination constraint.
7571
7572 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
7573
7574         * config/mips/mips.md (*seq_[sd]i): Renamed from seq_[sd]i_zero.
7575         (*sne_[sd]i): Likewise sne_[sd]i_zero.
7576         (*sgt_[sd]i): ...and sgt_[sd]i.
7577         (*slt_[sd]i): ...and slt_[sd]i.
7578         (*sgtu_[sd]i): ...and sgtu_[sd]i.
7579         (*sltu_[sd]i): ...and sltu_[sd]i.
7580         (*sleu_[sd]i): ...and sleu_[sd]i_const.
7581         Name previously unnamed mips16 patterns.  Formatting fixes.
7582
7583 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
7584
7585         * config/mips/mips.c (cmp_operands): Renamed from branch_cmp.
7586         (branch_type): Delete.
7587         (gen_conditional_branch, gen_conditional_move)
7588         (mips_gen_conditional_trap): Update after name change.  Get the
7589         comparison mode from cmp_operands[0].
7590         * config/mips/mips.h (cmp_type, branch_type): Delete.
7591         (cmp_operands): Renamed from branch_cmp.
7592         * config/mips/mips.md (cmpsi, cmpdi, cmpsf, cmpdf): Update after
7593         name change.  Don't set branch_type.
7594         (seq, sne, sgt, sge, slt, sle, sgtu, sgeu, sltu, sleu): Check the
7595         mode class of cmp_operands[0] rather than branch_type.  Update after
7596         name change.
7597
7598 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
7599
7600         * config/mips/mips.c (mips_rtx_costs): In mips16 code, set the cost
7601         of 0...255 to 0 when inside a SET.
7602
7603 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
7604
7605         * config/mips/mips.md: Remove mips16 define_peepholes.
7606
7607 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
7608
7609         * tree-ssa-pre.c (init_pre): Connect infinite loops to exit.
7610         (fini_pre): Remove fake edges.
7611
7612 2004-07-15  Richard Henderson  <rth@redhat.com>
7613
7614         * tree-ssa-operands.c (get_expr_operands): Use a switch.  Split out...
7615         (get_indirect_ref_operands, get_call_expr_operands): ... these.
7616
7617 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
7618
7619         * vec.h (VEC_address): New function.
7620
7621 2004-07-14  Jason Merrill  <jason@redhat.com>
7622
7623         PR middle-end/15885
7624         * gimplify.c (gimplify_arg): New fn, split out from...
7625         (gimplify_call_expr): Here.  Special-case BUILT_IN_VA_START.
7626
7627 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
7628
7629         * config/m68k/m68k.c (output_move_qimode): Abort on an attempt to
7630         generate code which is generated by pushqi1 now
7631         * config/m68k/m68k.h (MOVE_BY_PIECES_P): Remove.
7632
7633 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
7634
7635         * combine.c (simplify_set): match the mode of the constant 0 with
7636         the tested operand to match the compare behaviour and the
7637         simplify_relational_operation() expectation.
7638
7639 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
7640
7641         * config/rs6000/rs6000.md ("bunordered"): Disable for e500.
7642         ("bordered"): Same.
7643
7644 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
7645
7646         * config/rs6000/rs6000.md ("*cceq_ior_compare"): Allow
7647         unconditionally.
7648         * config/rs6000/spe.md ("e500_cceq_ior_compare"): Remove.
7649
7650 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
7651
7652         * config/mips/mips.c (mips_adjust_insn_length): Fix handling of
7653         calls in mips16 code.
7654
7655 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
7656
7657         * config/mips/mips.md: In the mips16 li/neg splitter, use SImode for
7658         the destination of the li as well as for the neg.
7659
7660 2004-07-15  Frank Ch. Eigler  <fche@redhat.com>
7661
7662         g++/15861
7663         * cgraphunit.c (cgraph_build_static_cdtor): Add priority argument.
7664         * cgraph.h: Update declaration.
7665         * c-decl.c (build_cdtor): Update call with default priority.
7666         * coverage.c (create_coverage): Ditto.
7667         * tree-mudflap.c (mf_init_fndecl): New tree.
7668         (mudflap_init): Set it.
7669         (mudflap_register_call): Arrange to call __mf_init before the first
7670         __mf_register call.
7671         (mudflap_finish_file): Mark the mudflap static initializer as extra
7672         high priority, to beat all C++ static constructors.
7673
7674 2004-07-15  Jeff Law  <law@redhat.com>
7675
7676         * loop.c (check_insn_for_givs): Restore check for code labels that was
7677         accidentally deleted by a recent checkin.
7678
7679 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
7680
7681         * vec.h (VEC_T_truncate): Allow truncation of an empty vector.
7682         (VEC_T_quick_insert, VEC_T_ordered_remove): Fix sizeof(T) thinko.
7683
7684 2004-07-14  Richard Henderson  <rth@redhat.com>
7685
7686         * print-tree.c (print_node): Fix casts last change.
7687
7688 2004-07-15  Paul Brook  <paul@codesourcery.com>
7689
7690         * dwarf2out.c (dwarf2out_begin_prologue): Rename IA64_UNWIND_INFO
7691         to TARGET_UNWIND_INFO.
7692         * except.c (output_function_exception_table): Ditto.
7693         * except.h: Ditto.
7694         * opts.c (decode_options): Ditto.
7695         * passes.c (rest_of_handle_final): Ditto.
7696         * final.c (final_start_function): Ditto.
7697         (final_scan_insn, final_scan_insn): Replace IA64_UNWIND_EMIT with
7698         target hook.
7699         * targhooks.h (default_unwind_emit): Declare.
7700         * targhooks.c (default_unwind_emit): New function.
7701         * target-def.h: Define and use TARGET_UNWIND_EMIT.
7702         * target.h (struct gcc_target): Add unwind_emit.
7703         * config/ia64/ia64.c (TARGET_UNWIND_EMIT): Define.
7704         * config/ia64/ia64.h: Rename IA64_UNWIND_INFO to TARGET_UNWIND_INFO.
7705         Remove IA64_UNWIND_EMIT.
7706         * doc/tm.texi: Document TARGET_UNWIND_EMIT and TARGET_UNWIND_INFO.
7707
7708 2004-07-14  Richard Henderson  <rth@redhat.com>
7709
7710         * print-tree.c (print_node): Handle SSA_NAME.
7711
7712 2004-07-14  James E Wilson  <wilson@specifixinc.com>
7713
7714         PR target/16325
7715         * config/mips/mips.h (STARTING_FRAME_OFFSET): When flag_profile_value
7716         and ! TARGET_64BIT, include REG_PARM_STACK_SPACE.
7717
7718 2004-07-15  Jakub Jelinek  <jakub@redhat.com>
7719
7720         * expr.c (expand_assignment): Reenable bitfield += optimizations.
7721         Use alias set 0 for memory, do proper mode calculations and adjust
7722         address for memories.
7723
7724 2004-07-14  Per Bothner  <per@bothner.com>
7725
7726         * input.h:  If USE_MAPPED_LOCATION, define separate expanded_location
7727         structure with extra column field.
7728         * tree.c (expand_location):  Also fill in column field.
7729         * gengtype-lex.l:  Ignore expanded_location typedef, sinze gengtype
7730         gets confused by the two conditionally-compiled definitions.
7731
7732 2004-07-14  Eric Christopher  <echristo@redhat.com>
7733
7734         * calls.c (expand_call): Fix typo in comment.
7735
7736 2004-07-14  Steve Ellcey  <sje@cup.hp.com>
7737
7738         * config/ia64/ia64.c (ia64_expand_compare): Allow ORDERED
7739         comparision of TFmode.
7740
7741 2004-07-14  Richard Henderson  <rth@redhat.com>
7742
7743         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Move indirect ...
7744         (alpha_gimplify_va_arg): ... handling here.  Use pass_by_reference.
7745         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Use pass_by_reference.
7746         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
7747         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
7748         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
7749         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
7750         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
7751         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
7752
7753 2004-07-14  Mike Stump  <mrs@apple.com>
7754
7755         * config/darwin.h (WINT_TYPE): Define to be int to match
7756         system header files.
7757
7758 2004-07-14  Bob Wilson  <bob.wilson@acm.org>
7759
7760         * config/xtensa/xtensa.c (function_arg_advance): Check for args
7761         that must be passed in the stack.
7762         (xtensa_gimplify_va_arg_expr): Skip special-case padding for small
7763         arguments if the size is not a constant.
7764
7765 2004-07-14  Per Bothner  <per@bothner.com>
7766
7767         * c-typeck.c (emit_side_effect_warnings):  Use EXPR_HAS_LOCATION
7768         instead of EXPR_LOCUS in a boolean context, which is always true
7769         if --enable-mapped-location.
7770         * stmt.c (warn_if_unused_value):  Likewise.  Also use EXPR_LOCATION.
7771
7772 2004-07-14  Richard Henderson  <rth@redhat.com>
7773
7774         * dominance.c (struct dom_info): Add fake_exit_edge.
7775         (init_dom_info): Allocate it.
7776         (free_dom_info): Free it.
7777         (calc_dfs_tree): Set it.  Handle noreturn and infinite loops
7778         in two passes.
7779         (calc_idoms): Honor fake_exit_edge.
7780
7781 2004-07-13  Jason Merrill  <jason@redhat.com>
7782
7783         * tree-gimple.c (is_gimple_reg_rhs, is_gimple_mem_rhs): New fns.
7784         (rhs_test_for): New fn.
7785         (is_gimple_tmp_rhs): Rename from is_gimple_rhs.
7786         * tree-gimple.h: Declare them.
7787         * gimplify.c (gimplify_modify_expr): Use the new fns.
7788
7789 2004-07-14  Richard Henderson  <rth@redhat.com>
7790
7791         * config/arm/arm-protos.h (arm_va_arg): Remove.
7792         * config/arm/arm.c (arm_va_arg): Remove.
7793         (arm_init_expanders): Fix alignment of arg_pointer_rtx.
7794         * config/arm/arm.h (EXPAND_BUILTIN_VA_ARG): Remove.
7795
7796 2004-07-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7797
7798         * pa.c (fix_range): New function to mark a range(s) of registers as
7799         fixed registers.
7800         (override_options): Call fix_range if the -mfixed-range option string
7801         is not empty.
7802         * pa.h (TARGET_OPTIONS): Add -mfixed-range option.
7803         * doc/invoke.texi (-mfixed-range): Document new option.
7804
7805 2004-07-14  David Edelsohn  <edelsohn@gnu.org>
7806
7807         * config/rs6000/rs6000.c (function_arg_padding): Do not pad SFmode
7808         for TARGET_64BIT.
7809         (rs6000_gimplify_va_arg): Use size_int instead of build_int_2.
7810
7811 2004-07-14  Roger Sayle  <roger@eyesopen.com>
7812
7813         * expmed.c (expand_sdiv_pow2): New function to expand signed division
7814         by a positive power of two, split out from expand_divmod.  Provide
7815         an alternate implementation when shifts are expensive.  Lower the
7816         threshold for using a branchless implementation to BRANCH_COST >= 2.
7817         (expand_divmod): Call expand_sdiv_pow2 for suitable divisions.
7818
7819 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
7820
7821         * tree-dfa.c (make_rename_temp): *Really* work just
7822         like create_tmp_var if called while outside SSA form.
7823
7824 2004-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
7825
7826         * config/s390/s390.md ("udivsi3"): Ensure trap is generated
7827         for division by zero.
7828         ("umodsi3"): Likewise.
7829
7830 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
7831
7832         * config/mips/mips.c (mips_output_move): When generating mips16 code,
7833         force loads of negative constants to be split.
7834         * config/mips/mips.md (*movhi_mips16, *movqi_mips16): Likewise.
7835         Generalize SImode li/neg splitter to cope with other modes.
7836
7837 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
7838
7839         * expmed.c: Remove more references to QUEUED in the comments.
7840         * expr.c: Likewise.
7841
7842 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
7843
7844         Revert:
7845         2004-07-13  Richard Henderson  <rth@redhat.com>
7846         * config/mips/mips.c (mips_pass_by_reference): Handle mode sizes
7847         correctly.
7848
7849 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
7850
7851         * tree-dfa.c (make_rename_temp): Work just like
7852         create_tmp_var if called while outside SSA form.
7853
7854 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
7855
7856         * expr.c (enqueue_insn, finish_expr_for_function,
7857         protect_from_queue, queued_subexp_p, mark_queue,
7858         emit_insns_enqueued_after_mark, emit_queue,
7859         expand_increment): Remove.
7860         (store_constructor): Expand increment as an assignment.
7861         (expand_expr_real_1 <case PREINCREMENT_EXPR,
7862         case PREDECREMENT_EXPR, case POSTINCREMENT_EXPR,
7863         case POSTDECREMENT_EXPR>): Abort.
7864         * expr.h (QUEUED_VAR, QUEUED_INSN, QUEUED_COPY,
7865         QUEUED_BODY, QUEUED_NEXT, finish_expr_for_function,
7866         protect_from_queue, emit_queue, queued_subexp_p): Remove.
7867         * function.h (pending_chain, x_pending_chain): Remove.
7868         * rtl.def (QUEUED): Remove.
7869
7870         * emit-rtl.c (copy_insn_1, copy_most_rtx,
7871         set_used_flags, verify_rtx_sharing): Remove references to QUEUED.
7872         * genattrtab.c (attr_copy_rtx, clear_struct_flag,
7873         encode_units_mask): Likewise.
7874         * local-alloc.c (equiv_init_varies_p): Likewise.
7875         * rtl.c (copy_rtx): Likewise.
7876         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
7877         * simplify-rtx.c (simplify_gen_subreg): Likewise.
7878         * config/mn10300/mn10300.c (legitimate_pic_operand_p): Likewise.
7879
7880         * builtins.c (expand_builtin, expand_builtin_apply,
7881         expand_builtin_mathfn, expand_builtin_mathfn_2,
7882         expand_builtin_mathfn_3, expand_builtin_setjmp_setup):
7883         Remove calls to emit_queue and protect_from_queue.
7884         * calls.c (expand_call, precompute_arguments,
7885         precompute_register_parameters, rtx_for_function_call,
7886         store_one_arg): Likewise.
7887         * dojump.c (do_compare_and_jump, do_jump): Likewise.
7888         * explow.c (memory_address): Likewise.
7889         * expmed.c (clear_by_pieces_1, clear_storage,
7890         clear_storage_via_libcall, emit_group_load,
7891         emit_group_store, emit_store_flag,
7892         expand_expr_real_1, store_by_pieces,
7893         store_constructor, store_expr, try_casesi,
7894         try_tablejump): Likewise.
7895         * function.c (expand_pending_sizes): Likewise.
7896         * optabs.c (emit_cmp_and_jump_insns,
7897         emit_conditional_add, emit_conditional_move,
7898         expand_fix, expand_float, prepare_cmp_insn): Likewise.
7899         * stmt.c (emit_case_bit_tests,
7900         expand_asm_expr, expand_computed_goto,
7901         expand_decl_init, expand_end_case_type,
7902         expand_end_stmt_expr, expand_expr_stmt_value,
7903         expand_return, expand_start_case,
7904         optimize_tail_recursion): Likewise.
7905         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
7906         * config/s390/s390.c (s390_expand_cmpmem): Likewise.
7907
7908 2004-07-14  Ben Elliston  <bje@au.ibm.com>
7909
7910         * vec.h: Comment fix.
7911
7912 2004-07-13  Richard Henderson  <rth@redhat.com>
7913
7914         * target.h (struct gcc_target): Add calls.pass_by_reference.
7915         * target-def.h (TARGET_PASS_BY_REFERENCE): New.
7916         * function.c (pass_by_reference): Use the hook.
7917         * system.h (FUNCTION_ARG_PASS_BY_REFERENCE): Poison.
7918         * targhooks.c, targhooks.h (hook_pass_by_reference_false): New.
7919         (hook_pass_by_reference_must_pass_in_stack): New.
7920         * config/alpha/alpha.c (function_arg): Don't query pass-by-ref.
7921         (alpha_pass_by_reference): New.
7922         (TARGET_PASS_BY_REFERENCE): New.
7923         * config/alpha/alpha.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7924         * config/arc/arc.c (arc_pass_by_reference): New.
7925         (TARGET_PASS_BY_REFERENCE): New.
7926         * config/arc/arc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7927         (FUNCTION_ARG_CALLEE_COPIES): True.
7928         * config/arm/arm-protos.h (arm_function_arg_pass_by_reference): Remove.
7929         * config/arm/arm.c (TARGET_PASS_BY_REFERENCE): New.
7930         (arm_pass_by_reference): Rename from arm_function_arg_pass_by_reference.
7931         * config/arm/arm.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7932         * config/c4x/c4x.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7933         * config/cris/cris.c (cris_pass_by_reference): New.
7934         (TARGET_PASS_BY_REFERENCE): New.
7935         * config/cris/cris.h (FUNCTION_ARG): Don't query pass-by-ref.
7936         (FUNCTION_INCOMING_ARG, FUNCTION_ARG_ADVANCE): Likewise.
7937         (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7938         * config/fr30/fr30.c (TARGET_PASS_BY_REFERENCE): New.
7939         * config/fr30/fr30.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7940         * config/frv/frv-protos.h (frv_function_arg_pass_by_reference): Kill.
7941         * config/frv/frv.c (TARGET_PASS_BY_REFERENCE): New.
7942         (frv_function_arg_pass_by_reference): Remove.
7943         * config/frv/frv.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7944         * config/i386/i386-protos.h (function_arg_pass_by_reference): Remove.
7945         * config/i386/i386.c (TARGET_PASS_BY_REFERENCE): New.
7946         (ix86_pass_by_reference): Rename from function_arg_pass_by_reference.
7947         * config/i386/i386.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7948         * config/ia64/ia64-protos.h (ia64_function_arg_pass_by_reference): Kill.
7949         * config/ia64/ia64.c (TARGET_PASS_BY_REFERENCE): New.
7950         (ia64_pass_by_reference): Rename from
7951         ia64_function_arg_pass_by_reference.
7952         * config/ia64/ia64.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7953         * config/ip2k/ip2k.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7954         * config/iq2000/iq2000-protos.h (function_arg_pass_by_reference): Kill.
7955         * config/iq2000/iq2000.c (TARGET_PASS_BY_REFERENCE): New.
7956         (iq2000_pass_by_reference): Rename from function_arg_pass_by_reference.
7957         * config/iq2000/iq2000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7958         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
7959         * config/m32r/m32r-protos.h (m32r_pass_by_reference): Remove.
7960         * config/m32r/m32r.c (TARGET_PASS_BY_REFERENCE): New.
7961         (m32r_pass_by_reference): Adjust prototype.  Make static.
7962         Handle mode sizes correctly.
7963         * config/m32r/m32r.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7964         * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c
7965         (m68hc11_function_arg_pass_by_reference): Remove.
7966         * config/m68hc11/m68hc11.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7967         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
7968         * config/mcore/mcore.c (TARGET_PASS_BY_REFERENCE): New.
7969         * config/mcore/mcore.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7970         * config/mips/mips-protos.h (function_arg_pass_by_reference): Remove.
7971         * config/mips/mips.c (TARGET_PASS_BY_REFERENCE): New.
7972         (mips_va_arg): Use pass_by_reference.
7973         (mips_pass_by_reference): Rename from function_arg_pass_by_reference.
7974         Handle mode sizes correctly.
7975         * config/mips/mips.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7976         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
7977         * config/mmix/mmix-protos.h (mmix_function_arg_pass_by_reference): Kill.
7978         * config/mmix/mmix.c (TARGET_PASS_BY_REFERENCE): New.
7979         (mmix_pass_by_reference): Rename from
7980         mmix_function_arg_pass_by_reference.
7981         * config/mmix/mmix.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7982         (FUNCTION_ARG_CALLEE_COPIES): True.
7983         * config/mn10300/mn10300.c (TARGET_PASS_BY_REFERENCE): New.
7984         (mn10300_pass_by_reference): New.
7985         * config/mn10300/mn10300.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7986         (FUNCTION_ARG_CALLEE_COPIES): True.
7987         * config/pa/pa.c (pa_pass_by_reference): New.
7988         (TARGET_PASS_BY_REFERENCE): New.
7989         * config/pa/pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7990         (FUNCTION_ARG_CALLEE_COPIES): True.
7991         * config/rs6000/rs6000-protos.h (function_arg_pass_by_reference): Kill.
7992         * config/rs6000/rs6000.c (TARGET_PASS_BY_REFERENCE): New.
7993         (rs6000_pass_by_reference): Rename from function_arg_pass_by_reference.
7994         * config/rs6000/rs6000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7995         * config/s390/s390-protos.h (s390_function_arg_pass_by_reference): Kill.
7996         * config/s390/s390.c (TARGET_PASS_BY_REFERENCE): New.
7997         (s390_pass_by_reference): Rename from
7998         s390_function_arg_pass_by_reference.
7999         (s390_function_arg_advance): Don't query pass-by-ref.
8000         (s390_function_arg): Likewise.
8001         (s390_gimplify_va_arg): Use pass_by_reference.
8002         (s390_call_saved_register_used): Likewise.
8003         * config/s390/s390.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8004         * config/sh/sh.c (TARGET_PASS_BY_REFERENCE): New.
8005         (shcompact_byref, sh_pass_by_reference): New.
8006         * config/sh/sh.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8007         (SHCOMPACT_BYREF): Remove.
8008         * config/sparc/sparc-protos.h (function_arg_pass_by_reference): Kill.
8009         * config/sparc/sparc.c (TARGET_PASS_BY_REFERENCE): New.
8010         (sparc_pass_by_reference): Rename from function_arg_pass_by_reference.
8011         (sparc_gimplify_va_arg): Use pass_by_reference.
8012         * config/sparc/sparc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8013         * config/stormy16/stormy16.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8014         * config/v850/v850.c (TARGET_PASS_BY_REFERENCE): New.
8015         (v850_pass_by_reference): New.
8016         * config/v850/v850.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8017         (FUNCTION_ARG_CALLEE_COPIES): True.
8018         * doc/tm.texi (TARGET_PASS_BY_REFERENCE): Update from
8019         FUNCTION_ARG_PASS_BY_REFERENCE docs.
8020
8021 2004-07-14  Richard Henderson  <rth@redhat.com>
8022             Richard Sandiford  <rsandifo@redhat.com>
8023
8024         * config/mips/mips-protos.h (mips_va_arg): Delete.
8025         * config/mips/mips.h (EXPAND_BUILTIN_VA_ARG): Delete.
8026         * config/mips/mips.c: Include tree-gimple.h.
8027         (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
8028         (mips_arg_info): Remove special handling of must_pass_in_stck args.
8029         (mips_gimplify_va_arg_expr): Rewritten from mips_va_arg.
8030         (function_arg_pass_by_reference): Return true if must_pass_in_stack.
8031
8032 2004-07-13  Bob Wilson  <bob.wilson@acm.org>
8033
8034         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Swap
8035         arguments for COND_EXPR in big-endian adjustment code.
8036
8037 2004-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8038
8039         * pa-64.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Delete.
8040         * pa.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Modify for hppa64.
8041         * pa32-regs.h (REG_ALLOC_ORDER): Reorder caller-saved registers.
8042         * pa64-regs.h (REG_ALLOC_ORDER): Likewise.
8043
8044 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
8045
8046         PR tree-optimization/16443
8047         * tree-ssa-alias.c: Add more description for
8048         CALL_CLOBBERED_VARS and ADDRESSABLE_VARS.
8049         * tree-ssa-operands.c (get_asm_expr_operands): Re-order the
8050         clobbering of call-clobbered and addressable variables.  If
8051         there are any before aliases have been computed, add them.
8052
8053 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
8054
8055         * tree-optimize.c (execute_todo): Flush DUMP_FILE before
8056         verification.
8057
8058 2004-07-13  Ulrich Weigand  <uweigand@de.ibm.com>
8059
8060         * config/s390/s390.c (s390_gimplify_va_arg): Use size_int instead
8061         of build_int_2.  Convert both operands of PLUS_EXPR and MULT_EXPR
8062         to the same type.
8063
8064 2004-07-13  Per Bothner  <per@bothner.com>
8065
8066         * collect2.c (main):  Handle --no-demangle and --demangle flags.
8067
8068 2004-07-13  Sebastian Pop  <pop@cri.ensmp.fr>
8069
8070         * Makefile.in (OBJS-common): Add tree-data-ref.o.
8071         (tree-scalar-evolution.o): Add missing dependences on tree-pass.h flags.h.
8072         (tree-data-ref.o): New rule.
8073         * lambda.h: New file.
8074         * tree-data-ref.c: New file.
8075         * tree-data-ref.h: New file.
8076         * tree.c (int_cst_value, tree_fold_gcd): New functions.
8077         * tree.h (int_cst_value, tree_fold_gcd): Declared here.
8078
8079 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
8080
8081         PR target/13926
8082         * config/sparc/sparc-protos.h (output_ubranch): New prototype.
8083         * config/sparc/sparc.c (output_ubranch): New function.
8084         * config/sparc/sparc.md (jump pattern): Use it.
8085
8086 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
8087
8088         PR target/16494
8089         * config/sparc/sparc.c (output_cbranch): Properly guard
8090         the code handling far branches with TARGET_V9.
8091         * config/sparc/sparc.md (length attribute): Document the
8092         side-effect of having a length greater or equal to 3.
8093
8094 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
8095             Lloyd Parkes  <lloyd@must-have-coffee.gen.nz>
8096
8097         PR target/15186
8098         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Pass
8099         /usr/ucblib/sparcv9 as -R path when -compat-bsd is specified.
8100
8101 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
8102             Martin Sebor  <sebor@roguewave.com>
8103
8104         PR target/12602
8105         * doc/invoke.texi (SPARC options): Document -threads
8106         and -pthreads on Solaris.
8107
8108 2004-07-13  Richard Henderson  <rth@redhat.com>
8109
8110         * builtins.c (std_gimplify_va_arg_expr): Handle types passed
8111         by reference.
8112         (ind_gimplify_va_arg_expr): Remove.
8113         * tree.h (ind_gimplify_va_arg_expr): Remove.
8114         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Don't use it.
8115         * config/mmix/mmix.c (mmix_function_arg_pass_by_reference): Allow
8116         argsp to be null.
8117
8118         * config/arc/arc.c (arc_gimplify_va_arg_expr): Remove.
8119         (TARGET_GIMPLIFY_VA_ARG_EXPR): Remove.
8120         * config/cris/cris.c, config/fr30/fr30.c, config/frv/frv.c,
8121         config/iq2000/iq2000.c, config/m32r/m32r.c, config/mmix/mmix.c,
8122         config/mn10300/mn10300.c, config/v850/v850.c: Similarly.
8123
8124 2004-07-13  Richard Henderson  <rth@redhat.com>
8125
8126         * function.c (pass_by_reference): New.
8127         (assign_parm_find_data_types): Use it.
8128         * calls.c (initialize_argument_information): Likewise.
8129         (emit_library_call_value_1): Likewise.
8130         * expr.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8131         * function.h (pass_by_reference): Declare.
8132
8133 2004-07-13  Richard Henderson  <rth@redhat.com>
8134
8135         * target-def.h (TARGET_MUST_PASS_IN_STACK): New.
8136         * target.h (struct gcc_target): Add calls.must_pass_in_stack.
8137         * expr.h (MUST_PASS_IN_STACK): Remove.
8138         * system.h (MUST_PASS_IN_STACK): Poison.
8139         * tree.h (must_pass_in_stack_var_size): Declare.
8140         (must_pass_in_stack_var_size_or_pad): Declare.
8141         * calls.c (must_pass_in_stack_var_size): New.
8142         (must_pass_in_stack_var_size_or_pad): Rename from
8143         default_must_pass_in_stack.
8144         * config/alpha/alpha.c (unicosmk_must_pass_in_stack): New.
8145         (TARGET_MUST_PASS_IN_STACK): New.
8146         * config/alpha/unicosmk.h (MUST_PASS_IN_STACK): Remove.
8147         * config/fr30/fr30.c (fr30_must_pass_in_stack): New.
8148         (TARGET_MUST_PASS_IN_STACK): New.
8149         * config/fr30/fr30.h (MUST_PASS_IN_STACK): Remove.
8150         * config/frv/frv.c (frv_must_pass_in_stack): New.
8151         (TARGET_MUST_PASS_IN_STACK): New.
8152         * config/frv/frv.h (MUST_PASS_IN_STACK): Remove.
8153         * config/i386/i386-protos.h (ix86_must_pass_in_stack): Remove.
8154         * config/i386/i386.c (TARGET_MUST_PASS_IN_STACK): New.
8155         (ix86_must_pass_in_stack): Make static.
8156         * config/i386/i386.h (MUST_PASS_IN_STACK): Remove.
8157         * config/ia64/ia64.c (TARGET_MUST_PASS_IN_STACK): New.
8158         * config/ia64/ia64.h (MUST_PASS_IN_STACK): Remove.
8159         * config/m32r/m32r.c (TARGET_MUST_PASS_IN_STACK): New.
8160         * config/m32r/m32r.h (MUST_PASS_IN_STACK): Remove.
8161         * config/mcore/mcore-protos.h (mcore_must_pass_on_stack): Remove.
8162         * config/mcore/mcore.c (TARGET_MUST_PASS_IN_STACK): New.
8163         (mcore_must_pass_on_stack): Remove.
8164         * config/mcore/mcore.h (MUST_PASS_IN_STACK): Remove.
8165         * config/mips/mips.c (TARGET_MUST_PASS_IN_STACK): New.
8166         * config/mips/mips.h (MUST_PASS_IN_STACK): Remove.
8167         * config/pa/pa.c (TARGET_MUST_PASS_IN_STACK): New.
8168         * config/pa/pa.h (MUST_PASS_IN_STACK): Remove.
8169         * config/rs6000/aix.h (MUST_PASS_IN_STACK): Remove.
8170         * config/rs6000/linux64.h (MUST_PASS_IN_STACK): Remove.
8171         * config/rs6000/rs6000.c (rs6000_must_pass_in_stack): New.
8172         (TARGET_MUST_PASS_IN_STACK): New.
8173         * config/sh/sh.c (TARGET_MUST_PASS_IN_STACK): New.
8174         * config/sh/sh.h (MUST_PASS_IN_STACK): Remove.
8175         * config/sparc/sparc.c (TARGET_MUST_PASS_IN_STACK): New.
8176         * config/sparc/sparc.h (MUST_PASS_IN_STACK): Remove.
8177         * config/xtensa/xtensa.c (TARGET_MUST_PASS_IN_STACK): New.
8178         * config/xtensa/xtensa.h (MUST_PASS_IN_STACK): Remove.
8179         * doc/tm.texi (TARGET_MUST_PASS_IN_STACK): Update from
8180         MUST_PASS_IN_STACK.
8181
8182         * calls.c, function.c, config/alpha/alpha.c, config/alpha/alpha.h,
8183         config/alpha/unicosmk.h, config/alpha/vms.h, config/c4x/c4x.c,
8184         config/cris/cris.h, config/fr30/fr30.c, config/fr30/fr30.h,
8185         config/frv/frv.c, config/i386/i386.c, config/iq2000/iq2000.c,
8186         config/mcore/mcore.c, config/mcore/mcore.h, config/mips/mips.c,
8187         config/mmix/mmix.c, config/mmix/mmix.h, config/rs6000/rs6000.c,
8188         config/sh/sh.c, config/sh/sh.h, config/stormy16/stormy16.c,
8189         config/xtensa/xtensa.c: Use target hook.
8190
8191 2004-07-13  Anthony Heading  <aheading@jpmorgan.com>
8192
8193         * configure.ac (gcc_cv_as_offsetable_lo10): Fix a typo.
8194         * configure: Rebuilt.
8195
8196 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
8197
8198         * doc/invoke.texi: Remove documentation for MIPS -mrnames option.
8199         * config/mips/mips.h (mips_reg_names): Don't declare.
8200         (MASK_NAME_REGS): Delete.  Shuffle other MASK_* values down.
8201         (TARGET_NAME_REGS): Delete.
8202         (TARGET_SWITCHES): Remove -mrnames.
8203         (REGISTER_NAMES): Initialise with the old contents of mips_reg_names[].
8204         (ADDITIONAL_REGISTER_NAMES): Remove entries for names mentioned
8205         in REGISTER_NAMES.
8206         * config/mips/mips.c (mips_reg_names, mips_sw_reg_names): Delete.
8207         (override_options): Remove handling of TARGET_NAME_REGS.
8208
8209 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
8210
8211         * config/mips/mips.h (TARGET_*): Boolify.
8212
8213 2004-07-12  Nick Clifton  <nickc@redhat.com>
8214
8215         * config.gcc: Add sh-*-symbianelf target.
8216         * config/sh/sh.c: Add new target macros:
8217         TARGET_ENCODE_SECTION_INFO, TARGET_STRIP_NAME_ENCODING,
8218         TARGET_CXX_IMPORT_EXPORT_CLASS.
8219         (sh_file_start): Create a definition of the .directive section.
8220         (sh_attribute): Add dllimport and dllexport attributes.
8221         * config/sh/symbian-pre.h: New file.
8222         * config/sh/symbian-post.h: New file.
8223         * config/sh/symbian.c: New file. Contains Symbian specific
8224         functions.
8225         * config/sh/sh-protos.h: Add prototypes for new functions
8226         provided by symbian.c.
8227         * config/sh/t-symbian: New file.
8228         * doc/extend.texi: Document support for dllimport and dllexport
8229         attributes by the sh-symbianelf target.
8230
8231 2004-07-12  James E Wilson  <wilson@specifixinc.com>
8232
8233         * Makefile.in (AR): Use @AR@ not ar.
8234         (NM): New.
8235         (AR_FOR_TARGET): Use $(AR) not ar for native.
8236         (NM_FOR_TARGET): Use $(NM) not nm for native.
8237         * configure.ac: Add AC_CHECK_PROG calls for NM and AR.
8238         * configure: Regenerate.
8239
8240 2004-07-12  David S. Miller  <davem@nuts.davemloft.net>
8241
8242         * config/sparc/sparc.md (ashlsi3): Eliminate const 1
8243         special case.
8244         (ashldi3_sp64): Likewise.
8245
8246 2004-07-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8247
8248         PR target/16477
8249         * pa.c (function_arg): Update comment.
8250         * pa.h (BLOCK_REG_PADDING): Define.
8251
8252 2004-07-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
8253
8254         PR tree-optimization/16461
8255         * tree-tailcall.c (independent_of_stmt_p): Handle non-SSA name
8256         arguments of phi nodes.
8257
8258 2004-07-12  Devang Patel  <dpatel@apple.com>
8259
8260         * doc/invoke.texi (Darwin Options): Document -gused and -gfull.
8261
8262 2004-07-12  Steve Ellcey  <sje@cup.hp.com>
8263
8264         * function.c (expand_function_start): Ensure r_save is in Pmode.
8265         * calls.c (prepare_call_address): Ensure static_chain_value is
8266         in Pmode.
8267         * builtins.c (expand_builtin_nonlocal_goto): Ensure r_label and
8268         r_save_area are in Pmode.
8269         * config/ia64/ia64.c (ia64_initialize_trampoline): Ensure addr,
8270         fnaddr, and static_chain are in Pmode.
8271
8272 2004-07-12  Vladimir Makarov  <vmakarov@redhat.com>
8273
8274         PR target/16445
8275         * config/ia64/ia64.c (bundling): Don't count ignored insns.
8276
8277 2004-07-12  Richard Henderson  <rth@redhat.com>
8278
8279         * target.h (struct gcc_target): Move gimplify_va_arg_expr
8280         next to build_builtin_va_list.
8281         * target-def.h (TARGET_GIMPLIFY_VA_ARG_EXPR): Update to match.
8282         * builtins.c (gimplify_va_arg_expr): Likewise.
8283         * gimplify.c (copy_if_shared_r): Likewise.
8284
8285 2004-07-12  Alexandre Oliva  <aoliva@redhat.com>
8286
8287         * passes.c (rest_of_decl_compilation): Don't defer call of
8288         assemble_variable if its DECL_RTL is already set.
8289
8290 2004-07-12  Sebastian Pop  <pop@cri.ensmp.fr>
8291
8292         * cfgloop.h (struct loop): Add nb_iterations field.
8293         (current_loops): Declare.
8294         * tree-chrec.c (chrec_not_analyzed_yet,
8295         chrec_dont_know, chrec_known, count_ev_in_wider_type,
8296         chrec_contains_symbols_defined_in_loop): Remove the temporary
8297         hooks.
8298         * tree-flow-inline.h (loop_containing_stmt): New function.
8299         * tree-scalar-evolution.c: Add implementation.
8300         * tree-scalar-evolution.h: Add declarations.
8301
8302 2004-07-12 Vladimir Makarov <vmakarov@redhat.com>
8303
8304         PR rtl-optimization/15921
8305         * Makefile.in (global.o): Add recog.h.
8306
8307         * global.c (recog.h): Add the include-clause.
8308         (bb_info): New member earlyclobber.
8309         (allocate_bb_info, free_bb_info): Initialize/finish the new
8310         member.
8311         (earlyclobber_regclass, earlyclobber_regclass_length): The new
8312         global variables.
8313         (check_earlyclobber, regclass_intersect,
8314         mark_reg_use_for_earlyclobber, mark_reg_use_for_earlyclobber_1):
8315         New functions.
8316         (calculate_local_reg_bb_info): Calculate value of earlyclobber.
8317         (make_accurate_live_analysis): Modify pavin.
8318
8319 2004-07-12  Diego Novillo  <dnovillo@redhat.com>
8320
8321         * tree-cfg.c (find_taken_edge): Statically compute the truth
8322         value of a predicate comparing an SSA_NAME to itself.
8323
8324 2004-07-12  Roger Sayle  <roger@eyesopen.com>
8325
8326         * config/rs6000/rs6000.c (rs6000_rtx_costs): Indicate that the
8327         rs6000 doesn't have shift-and-add or shift-and-sub instructions
8328         by returning the cost of a multiplication plus an addition.
8329
8330 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
8331
8332         PR tree-optimization/14107
8333         * gimplify.c (gimplify_return_expr): Accept a
8334         RETURN_EXPR with an error argument.
8335         * tree-optimize.c (init_tree_optimization_passes):
8336         Run pass_warn_function_return at -O0.
8337
8338 2004-07-12  Roger Sayle  <roger@eyesopen.com>
8339
8340         * doc/invoke.texi: Correct -fasynchronous-unwind-tables option
8341         index entry.
8342
8343 2004-07-12  Richard Sandiford  <rsandifo@redhat.com>
8344
8345         * config/mips/mips.c (mips_use_dfa_pipeline_interface): Delete.
8346         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
8347         * config/mips/3000.md: Add copyright notice.  Remove automota and
8348         function units; use generic ones instead.  Only define reservations
8349         for things that are different from generic.md.  Extend each clause
8350         to include r3900.
8351         * config/mips/{4000,4100,4300,4600,5000,6000,generic}.md: New files.
8352         * config/mips/mips.md: Include them. Remove define_function_units.
8353         (alu, imuldiv): New automata and units.
8354
8355 2004-07-12  Ben Elliston  <bje@au.ibm.com>
8356
8357         * doc/invoke.texi (Optimize Options): Document -frename-registers
8358         not being enabled by default at -O3.
8359
8360 2004-07-11  Roger Sayle  <roger@eyesopen.com>
8361
8362         * fold-const.c (fold) <PLUS_EXPR>: Canonicalize X + -C as X - C for
8363         floating point additions, to keep real immediate constant positive.
8364         <MINUS_EXPR>:  For floating point subtractions, only transform X - -C
8365         into X + C, and leave positive real constants as X - C.
8366
8367 2004-07-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8368
8369         * pa.c (hppa_gimplify_va_arg_expr): Remove comment.
8370
8371 2004-07-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
8372
8373         PR tree-optimization/15654
8374         * tree-tailcall.c (eliminate_tail_call): Remove unreachable code.
8375
8376 2004-07-11  Roger Sayle  <roger@eyesopen.com>
8377
8378         * builtins.c (fold_builtin_fputs): Don't bother converting the
8379         return type to integer_type_node, as we've already checked that
8380         the result will be ignored.
8381
8382         * tree-eh.c (tree_could_trap_p): Add support for -ftrapv such
8383         that signed addition, subtraction, multiplication, division,
8384         remainder, negation and absolute value may potentially trap.
8385
8386         * fold-const.c (fold_ignored_result): New function to strip
8387         non-side-effecting tree nodes from an expression whose result
8388         is ignored.
8389         (fold_convert): Call fold_ignored_result when casting a value
8390         to VOID_TYPE.
8391         (omit_one_operand):  Call fold_ignored_result on the "omitted"
8392         operand when building a COMPOUND_EXPR.
8393         (pedantic_omit_one_operand): Likewise.
8394         * tree.h (fold_ignored_result): Prototype here.
8395         * tree-ssa-ccp.c (ccp_fold_builtin): Call fold_ignored_result
8396         when we're going to ignore the result.
8397
8398 2004-07-11  Richard Henderson  <rth@redhat.com>
8399
8400         PR tree-opt/16383
8401         * tree-ssa-ccp.c (fold_stmt_r): Split out...
8402         * tree.c (fields_compatible_p, find_compatible_field): ... new.
8403         * tree.h (fields_compatible_p, find_compatible_field): Declare.
8404         * tree-sra.c (sra_hash_tree): Hash fields by offset.
8405         (sra_elt_eq): Use fields_compatible_p.
8406         (generate_one_element_ref): Use find_compatible_field.
8407
8408 2004-07-11  Richard Henderson  <rth@redhat.com>
8409
8410         PR tree-opt/16422
8411         * tree-sra.c (generate_one_element_init): New.
8412         (generate_element_init): Use it.
8413         (scalarize_init): Push/pop gimplify context around it.
8414         (find_new_referenced_vars_1, find_new_referenced_vars): New.
8415         * gimplify.c (gimplify_expr): Allow SSA_NAME.
8416
8417 2004-07-11  Roger Sayle  <roger@eyesopen.com>
8418
8419         * rtlanal.c (insn_rtx_cost): New function, moved and renamed from
8420         combine.c's combine_insn_cost.
8421         * rtl.h (insn_rtx_cost): Prototype here.
8422         * combine.c (combine_insn_cost): Delete function.
8423         (combine_validate_cost): Update callers of combine_insn_cost to
8424         call insn_rtx_cost instead.
8425         (combine_instructions): Likewise.  Use NONJUMP_INSN_P to avoid
8426         requesting the rtx_cost of call and/or jump instructions.
8427
8428         * ifcvt.c (total_bb_rtx_cost): Use insn_rtx_cost instead of calling
8429         rtx_cost directly.  Don't request/use the cost of call or jump
8430         instructions.  Return -1 if the cost of any instruction can't be
8431         determined (or the BB contains a function call).
8432         (find_if_case_1): Abort transformation if total_bb_rtx_cost returns
8433         -1 (i.e. can't determine the cost of any instruction or the basic
8434         block contains a subroutine call).
8435         (find_if_case_2): Likewise.
8436
8437 2004-07-11  Roger Sayle  <roger@eyesopen.com>
8438
8439         * rs6000.c (struct processor_costs): Change semantics of fields to
8440         include the COST_N_INSNS scaling, and update all initializers.
8441         (rs6000_rtx_costs): Don't use COSTS_N_INSNS on rs6000_cost fields.
8442         Use COSTS_N_INSNS(1) for NOT, SIGN_EXTEND, ZERO_EXTEND and COMPARE.
8443         Use rs6000_cost->fp for both FLOAT_TRUNCATE and UNSPEC_FRSP.  When
8444         optimizing for size, use COSTS_N_INSNS(1) for CALL and IF_THEN_ELSE.
8445
8446 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
8447
8448         * LANGUAGES: Remove obsolete information.
8449
8450 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
8451
8452         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): For SIGSEGV and
8453         SIGBUS signal frames, the PSW address points *to* the faulting
8454         instruction, not after it.
8455
8456 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
8457
8458         * config/s390/s390.c (legitimize_tls_address): Handle constant offsets
8459         added to TLS symbol addresses.
8460
8461 2004-07-11  Richard Henderson  <rth@redhat.com>
8462
8463         * expmed.c (init_expmed): Use stack-local structures for
8464         temporary rtl.  Don't recognize shifts.
8465
8466 2004-07-11  Richard Henderson  <rth@redhat.com>
8467
8468         * expr.c (store_expr): Don't fiddle subreg promotion for types
8469         with precision smaller than the mode.
8470
8471 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
8472
8473         * tree.h (all_types_permanent): Remove.
8474
8475 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
8476
8477         * langhooks.h (estimate_num_insns, pushlevel, poplevel, set_block,
8478         maybe_build_cleanup, update_decl_after_saving): Remove hooks.
8479         * langhooks.c (lhd_clear_binding_stack): Remove.
8480         * langhooks-def.h (lhd_clear_binding_stack,
8481         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
8482         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING,
8483         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS, LANG_HOOKS_PUSHLEVEL,
8484         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
8485         (LANG_HOOKS_CLEAR_BINDING_STACK): Define to lhd_do_nothing.
8486         * system.h (LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
8487         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_SET_BLOCK,
8488         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
8489         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING, LANG_HOOKS_POPLEVEL): Poison.
8490         * tree.h (poplevel): Don't declare.
8491         * c-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK, LANG_HOOKS_PUSHLEVEL,
8492         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
8493         * objc/objc-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK,
8494         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK):
8495         Remove.
8496
8497 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
8498
8499         PR tree-optimization/16437
8500         * c-common.c (shorten_compare): Don't mark result of conversion to
8501         narrower signed type as overflowing.
8502         * fold-const.c (decode_field_reference): Determine whether
8503         signedness comes from outer type using precision rather than size.
8504
8505 2004-07-11  Phil Edwards  <phil@codesourcery.com>
8506
8507         * configure.ac:  Alphabetize --enable-checking list, add
8508         missing valgrind entry.
8509         * configure:  Regenerate.
8510
8511 2004-07-11  Phil Edwards  <phil@codesourcery.com>
8512
8513         * doc/install.texi (Testing):  Fix syntax in "make check" example.
8514
8515 2004-07-10  James E Wilson  <wilson@specifixinc.com>
8516
8517         * config/gofast.h (gofast_maybe_init_libfuncs): Use SImode for litodp.
8518
8519 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
8520
8521         PR rtl-optimization/16001
8522         * loop-iv.c (iv_number_of_iterations): Prevent copy propagation in
8523         niter_expr.
8524
8525 2004-07-10  Geoffrey Keating  <geoffk@apple.com>
8526
8527         * config/darwin.h (LINK_COMMAND_SPEC): Don't call c++filt.
8528
8529 2004-07-10  Steve Kargl  <sgk@troutmask.apl.washington.edu>
8530             James Morrison  <phython@gcc.gnu.org>
8531
8532         * doc/contrib.texi (Contributors): Add gfortran contributors and
8533         fix a couple of typos.
8534
8535 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
8536
8537         PR rtl-optimization/15387
8538         * calls.c (check_sibcall_argument_overlap_1): Handle pointers
8539         to incoming args space correctly.
8540
8541 2004-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8542
8543         * pa.c (output_indirect_call): Only use %r2 as the link register in
8544         indirect calls with the long PA 2.0 pc-relative branch.
8545
8546 2004-07-10  Daniel Jacobowitz  <dan@debian.org>
8547
8548         * config/i386/i386.c (override_options): Pick a 64-bit CPU
8549         for the default tuning if TARGET_64BIT.
8550
8551 2004-07-10  Richard Henderson  <rth@redhat.com>
8552
8553         * builtins.c (std_gimplify_va_arg_expr): Widen align/boundary
8554         to HOST_WIDE_INT.  Fold pad-args-down arithmetic.
8555
8556 2004-07-10  Jakub Jelinek  <jakub@redhat.com>
8557
8558         * expr.h (store_bit_field, extract_bit_field): Remove last argument.
8559         * expmed.c (store_bit_field, extract_bit_field): Remove last
8560         argument.
8561         * builtins.c (expand_builtin_signbit): Adjust callers.
8562         * optabs.c (expand_vector_binop, expand_vector_unop): Likewise.
8563         * calls.c (store_unaligned_arguments_into_pseudos): Likewise.
8564         * ifcvt.c (noce_emit_move_insn): Likewise.
8565         * stmt.c (expand_return): Likewise.
8566         * expr.c (emit_group_load, emit_group_store, copy_blkmode_from_reg,
8567         store_field, expand_expr_real_1): Likewise.
8568
8569 2004-07-10  Richard Henderson  <rth@redhat.com>
8570
8571         * builtins.c (std_gimplify_va_arg_expr): Fix borked BIT_AND_EXPR.
8572
8573 2004-07-09  Mike Stump  <mrs@apple.com>
8574
8575         * config/darwin.c (no_dead_strip): Add.
8576         (HAVE_DEAD_STRIP): Add.
8577         (darwin_emit_unwind_label): Ensure that we don't dead code strip
8578         the .eh label.
8579
8580 2004-07-09  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
8581
8582         * tree-ssa-loop-im.c: New file.
8583         * Makefile.in (tree-ssa-loop-im.o): Add.
8584         * cfgloop.c (superloop_at_depth): New function.
8585         * cfgloop.h (superloop_at_depth): Declare.
8586         * common.opt (ftree-lim): New flag.
8587         * expr.c (array_ref_up_bound): New function.
8588         * params.def (PARAM_LIM_EXPENSIVE): New parameter.
8589         * timevar.def (TV_LIM): New timevar.
8590         * tree-dfa.c (compute_immediate_uses): Respect TDFA_USE flags when
8591         computing immediate uses of a phi node.
8592         * tree-flow.h (struct tree_ann_common_d): Add aux field.
8593         (loop_commit_inserts, for_each_index, tree_ssa_lim): Declare.
8594         * tree-optimize.c (init_tree_optimization_passes): Add pass_lim.
8595         * tree-pass.h (pass_lim): Declare.
8596         * tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im): New
8597         functions.
8598         (pass_lim): New pass structure.
8599         * tree-eh.c (tree_could_trap_p): Handle ARRAY_REFs correctly.
8600         * tree.c (in_array_bounds_p): New function.
8601         * tree.h (TREE_THIS_NOTRAP): Define also for ARRAY_REFs.
8602         (in_array_bounds_p, array_ref_up_bound): Declare.
8603         * doc/invoke.texi (-ftree-lim, --param lim-expensive): Document.
8604         * doc/passes.texi (tree-ssa-loop-im.c): Document.
8605
8606 2004-07-09  Richard Henderson  <rth@redhat.com>
8607
8608         * builtins.c (expand_builtin_stpcpy): Don't modify len.
8609
8610         * tree-ssa-ccp.c (ccp_fold_builtin): Strip conversion exprs
8611         with prejudice.
8612
8613 2004-07-10  Kelley Cook  <kcook@gcc.gnu.org>
8614
8615         * flags.h: Delete redundant prototypes that are being generated
8616         in options.h from common.opt.
8617         * common.opt: Add in the expository comments formerly in flags.h.
8618
8619 2004-07-09  Jan Beulich  <jbeulich@novell.com>
8620
8621         * config/i386/i386.c (init_cumulative_args): Set mmx/sse registers
8622         available for use only when TARGET_MMX/_SSE is set, and check for
8623         variable argument function if any register count is non-zero.
8624         (function_arg): Correctly suppress repeated warnings for passing SSE
8625         vectors are arguments without SSE enabled.
8626         (ix86_function_arg_boundary): Without SSE enabled, the use of what
8627         would be SSE register modes does no longer influence the alignment.
8628
8629 2004-07-09  Richard Henderson  <rth@redhat.com>
8630
8631         * builtins.c (std_gimplify_va_arg_expr): Deny ARGS_GROW_DOWNWARD.
8632         Always align upward to arg boundary.  Use size_in_bytes/round_up.
8633         Maintain type-correctness of constants.
8634         * stor-layout.c (round_up, round_down): Special-case powers of 2.
8635
8636 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
8637
8638         * config/sparc/sparc.c (*_costs): Scale instruction costs
8639         by COSTS_N_INSNS.
8640         (sparc_rtx_costs): Adjust as appropriate.
8641
8642 2004-07-09  Jan Beulich  <jbeulich@novell.com>
8643
8644         * config/i386/mm3dnow.h: New.
8645         * config.gcc: Add mm3dnow.h to extra_headers for i?86 and x86-64.
8646
8647 2004-07-09  Richard Henderson  <rth@redhat.com>
8648
8649         * simplify-rtx.c (simplify_const_relational_operation): Only
8650         look at bounds of scalar integers.
8651
8652 2004-07-09  Jan Beulich  <jbeulich@novell.com>
8653
8654         * config/i386/i386.md (sse2_clflush): Use correct operand for clflush.
8655
8656 2004-07-09  Andrew Pinski  <apinski@apple.com>
8657
8658         * objc/objc-act.c (build_module_descriptor): Mark UOBJC_MODULES_decl as
8659         always referenced.
8660         (synth_forward_declarations): Likewise for UOBJC_CLASS_decl and
8661         UOBJC_METACLASS_decl.
8662
8663 2004-07-09  James E Wilson  <wilson@specifixinc.com>
8664
8665         PR target/16364
8666         * config/ia64/ia64.c (ia64_function_arg): For a single element HFA,
8667         do return a parallel if hfa_mode == XFmode and mode == TImode.
8668
8669 2004-07-09  Jan Beulich  <jbeulich@novell.com>
8670
8671         * c-typeck.c (build_unary_op): include VECTOR_TYPE in set of codes
8672         permissible for unary plus.
8673
8674 2004-07-09  Jan Beulich  <jbeulich@novell.com>
8675
8676         * builtin-types.def (BT_UINT): Rename from BT_UNSIGNED.
8677         (BT_FN_UINT): Rename from BT_FN_UNSIGNED.
8678         (BT_FN_PTR_UINT): Rename from BT_FN_PTR_UNSIGNED.
8679         (BT_ULONG, BT_ULONGLONG, BT_UINTMAX, BT_FN_INT_UINT, BT_FN_INT_ULONG,
8680         BT_FN_INT_ULONGLONG, BT_FN_INT_INTMAX, BT_FN_INT_UINTMAX): New.
8681         * builtins.def (BUILTIN_CLZxxx, BUILTIN_CTXxxx, BUILTIN_PARITYxxx,
8682         BUILTIN_POPCOUNTxxx): Arguments are unsigned.
8683         (BUILTIN_xxxIMAX): New.
8684         * builtins.c (expand_builtin): Handle BUILT_IN_FFSIMAX,
8685         BUILT_IN_CLZIMAX, BUILT_IN_CTZIMAX, BUILT_IN_POPCOUNIMAX, and
8686         BUILT_IN_PARITYIMAX.
8687
8688 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
8689
8690         * config/sparc/sparc.h (processor_costs): Define.
8691         (sparc_costs): Declare.
8692         * config/sparc/sparc.c (cypress_costs, supersparc_costs,
8693         hypersparc_costs, sparclet_costs, ultrasparc_costs,
8694         ultrasparc3_costs): New.
8695         (sparc_override_options): Set sparc_costs as appropriate.
8696         (sparc_rtx_costs): Use sparc_costs instead of messy
8697         conditionals.
8698
8699 2004-07-09  Steven Bosscher  <stevenb@suse.de>
8700
8701         * doc/md.texi (Processor pipeline description): Mention that
8702         the old pipeline description is deprecated.
8703
8704         * config/rs6000/7450.md (automaton ppc7450): Split up, move
8705         mciu_7450 function unit to...
8706         (automaton ppc7450mciu): ...new automaton.
8707
8708         * haifa-sched.c (insert_schedule_bubbles_p): Remove.
8709         (schedule_block): Don't consider inserting bubbles.
8710         (sched_init): Don't initialize DFA bubbles.
8711         * target-def.h (TARGET_SCHED_INIT_DFA_BUBBLES,
8712         TARGET_SCHED_DFA_BUBBLE): Remove.
8713         * target.h (init_dfa_bubbles, dfa_bubble): Remove hooks.
8714         * doc/tm.texi (TARGET_SCHED_INIT_DFA_BUBBLES,
8715         TARGET_SCHED_DFA_BUBBLE): Remove documentation.
8716
8717         * stmt.c (conditional_context): Remove prototype.
8718         * tree.h (conditional_context): Remove.
8719         * tree-cfg.c (pre_insert_on_edge): Remove.
8720
8721         * c-common.h (c_expand_asm_operands): Remove prototype.
8722         * c-typeck.c (c_expand_asm_operands): Remove.
8723
8724 2004-07-09  Jan Beulich  <jbeulich@novell.com>
8725
8726         * config/i386/i386.c (classify_argument): Treat V1xx modes the same as
8727         their base modes. CTImode, TCmode, and XCmode must be passed in memory.
8728         TFmode (__float128) must be is an SSE/SSEUP pair. V2SImode, V4HImode,
8729         and V8QI are class SSE. All sufficiently small remaining vector modes
8730         must be passed in one or two integer registers.
8731         (ix86_libcall_value): TFmode must be returned in xmm0, XCmode must be
8732         returned in memory.
8733         (bdesc_2arg, ix86_init_mmx_sse_builtins): __builtin_ia32_pmuludq and
8734         __builtin_ia32_pmuludq128 have non-uniform argument and return types
8735         and must thus be handled explicitly.
8736         * config/i386/i386.md (*movdi_1_rex64): Add cases for moving between
8737         MMX and XMM regs.
8738         (movv8qi_internal, movv4hi_internal, movv2si_internal,
8739         movv2sf_internal): Permit moving between MMX and XMM registers (since
8740         MMX areguments and return values are passed in XMM registers).
8741         (sse2_umulsidi3): Correct type and mode.
8742
8743 2004-07-09  Richard Henderson  <rth@redhat.com>
8744
8745         * tree-cfg.c (dump_cfg_stats): Fix 64-bit format mismatch errors.
8746
8747 2004-07-09  Eric Christopher  <echristo@redhat.com>
8748
8749         * config/rs6000/40x.md: Split into two automatons.
8750
8751 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
8752             Andrew Pinski  <apinski@apple.com>
8753
8754         * c-opts.c (c_common_post_options): Force unit-at-a-time mode
8755         on when we have more than one input file.
8756         (c_common_parse_file): Restore loop over all input files.
8757         Clarify diagnostic for -dy when YYDEBUG wasn't defined.
8758
8759         * c-decl.c (set_type_context): New function.
8760         (pop_scope): Use it to set context of types.  When we
8761         encounter a TYPE_DECL, set the context of the attached type too.
8762         (pop_file_scope): Don't call cpp_undef_all here.
8763         (diagnose_mismatched_decls): Do not complain about a second
8764         definition of an 'extern inline' function if it's not in the
8765         same translation unit.  Do not complain about inline
8766         declaration after use if the use was in a different
8767         translation unit.
8768         (merge_decls): Don't clobber olddecl's DECL_CONTEXT.
8769         (pushdecl): Do not put DECL_EXTERNAL, !TREE_PUBLIC decls in
8770         the external scope.
8771         (pushdecl_top_level): Likewise.
8772         (grokdeclarator): Clarify what is going on with setting
8773         DECL_EXTERNAL on function types, a little.
8774         (c_write_global_declarations): Don't do anything if
8775         -fsyntax-only or errors have been encountered.
8776
8777 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
8778
8779         * vec.c, vec.h (vec_assert_fail): Use unsigned int for LINE argument.
8780
8781 2004-07-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8782
8783         PR target/16459
8784         * pa.c (output_indirect_call): Use %r2 as the link register when
8785         calling $$dyncall with a pc-relative branch.
8786
8787 2004-07-08  Gerald Pfeifer  <gerald@pfeifer.com>
8788
8789         * doc/install.texi (Binaries): Mention OpenPKG.
8790
8791 2004-07-09  Diego Novillo  <dnovillo@redhat.com>
8792
8793         Fix PR tree-optimization/15555
8794         * tree-dfa.c (dump_variable): If the variable is a pointer
8795         SSA_NAME, also dump its points-to information.
8796         * tree-flow.h (struct ptr_info_def): Add field
8797         is_dereferenced.
8798         (dump_points_to_info_for): Declare.
8799         (debug_points_to_info_for): Declare.
8800         * tree-optimize.c (init_tree_optimization_passes): Add a
8801         second alias analysis pass after DOM2.
8802         Move pass_del_pta to a later spot.
8803         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Do not
8804         create a name tags when we find a dereferenced pointer.  Just
8805         mark the pointer dereferenced.
8806         (collect_points_to_info_for): Move code to clear points-to
8807         information to create_name_tags.
8808         (create_name_tags): New function.
8809         (compute_flow_sensitive_aliasing): Call it.
8810         (setup_pointers_and_addressables): Mark type tags for renaming
8811         here instead of ...
8812         (create_memory_tag): ... here.
8813         (merge_pointed_to_info): Do not merge PT_MALLOC attributes.
8814         (dump_points_to_info_for): Declare extern.
8815         (debug_points_to_info_for): New function.
8816
8817 2004-07-09  Paolo Bonzini  <bonzini@gnu.org>
8818
8819         * config/arc/arc.md: Switch to DFA-based scheduler description.
8820         * config/arc/arc.c: Switch to DFA-based scheduler description.
8821
8822 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
8823
8824         * arm/unknown-elf.h (TARGET_DEFAULT): Don't require an APCS frame
8825         pointer.
8826
8827 2004-07-09  Richard Henderson  <rth@redhat.com>
8828
8829         * config/xtensa/xtensa-protos.h (xtensa_va_arg): Remove.
8830         * config/xtensa/xtensa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8831         (xtensa_gimplify_va_arg_expr): Rewrite from xtensa_va_arg.
8832         * config/xtensa/xtensa.h (EXPAND_BUILTIN_VA_ARG): Remove.
8833
8834         * config/v850/v850-protos.h (v850_va_arg): Remove.
8835         * config/v850/v850.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8836         (v850_gimplify_va_arg_expr): Rewrite from v850_va_arg.
8837         * config/v850/v850.h (EXPAND_BUILTIN_VA_ARG): Remove.
8838         (FUNCTION_ARG_PASS_BY_REFERENCE): Handle variable size types.
8839         (FUNCTION_ARG_CALLEE_COPIES): Use FUNCTION_ARG_PASS_BY_REFERENCE.
8840
8841 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
8842
8843         PR target/12133
8844         * arm.c (arm_legitimate_index_p) Allow DFmode for soft-float
8845         and DImode to use +/-4k offset.
8846
8847 2004-07-09  Richard Henderson  <rth@redhat.com>
8848
8849         * config/stormy16/stormy16-protos.h (xstormy16_expand_builtin_va_arg):
8850         Remove.
8851         * config/stormy16/stormy16.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8852         (xstormy16_gimplify_va_arg_expr): Rewrite from
8853         xstormy16_expand_builtin_va_arg.
8854         * config/stormy16/stormy16.h (EXPAND_BUILTIN_VA_ARG): Remove.
8855
8856         * config/sparc/sparc-protos.h (sparc_va_arg): Remove.
8857         * config/sparc/sparc.c (sparc_gimplify_va_arg): Mark static.
8858
8859         * config/sh/sh-protos.h (sh_va_arg): Remove.
8860         * config/sh/sh.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8861         (sh_gimplify_va_arg_expr): Rewrite from sh_va_arg.
8862         * config/sh/sh.h (EXPAND_BUILTIN_VA_ARG): Remove.
8863
8864         * config/pa/pa-protos.h (hppa_va_arg): Remove.
8865         * config/pa/pa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8866         (hppa_gimplify_va_arg_expr): Rewrite from hppa_va_arg.
8867         * config/pa/pa.h (EXPAND_BUILTIN_VA_ARG): Remove.
8868
8869         * config/mn10300/mn10300-protos.h (mn10300_va_arg): Remove.
8870         * config/mn10300/mn10300.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8871         (mn10300_gimplify_va_arg_expr): Rewrite from mn10300_va_arg.
8872         * config/mn10300/mn10300.h (EXPAND_BUILTIN_VA_ARG): Remove.
8873
8874 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
8875
8876         * config/sparc/sparc.md (return): Rewrite length formula.
8877         * config/sparc/sparc.c (output_return): Pass 1 as 5th
8878         argument to final_scan_insn when in a delay slot.
8879         (output_sibcall): Likewise.
8880
8881 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
8882
8883         * arm.c (arm_cpp_interwork): New variable.
8884         (arm_override_options): Set it if TARGET_INTERWORK was on the command
8885         line.
8886         * arm.h (arm_cpp_interwork): Declare it.
8887         (TARGET_CPU_CPP_BUILTINS): Use it to control definition of
8888         __THUMB_INTERWORK__ in the preprocessor.
8889
8890 2004-07-09  Nathan Sidwell  <nathan@codesourcery.com>
8891
8892         * vec.h (VEC_T_alloc): Fix MEM_STAT_DECL pasto.
8893
8894 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
8895
8896         PR target/16416
8897         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): New macro.
8898         Override default settings to account for -m32 and -m64.
8899
8900 2004-07-08  Randolph Chung  <tausq@debian.org>
8901
8902         * pa32-linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
8903
8904 2004-07-09  Alexandre Oliva  <aoliva@redhat.com>
8905
8906         * builtins.c (fold_builtin_strncpy): Make sure len is a constant
8907         before comparing it as such.
8908
8909 2004-07-08  Richard Henderson  <rth@redhat.com>
8910
8911         * builtins.c (std_gimplify_va_arg_expr): Hoist valist into a
8912         temporary.  Use bit arithmetic to align.
8913
8914 2004-07-08  Jerry Quinn  <jlquinn@optonline.net>
8915
8916         * alias.c (nonlocal_mentioned_p, nonlocal_referenced_p,
8917         nonlocal_set_p, init_alias_analysis): Use, LABEL_P, JUMP_P, CALL_P,
8918         NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
8919         * bb-reorder.c (mark_bb_for_unlikely_executed_section,
8920         add_labels_and_missing_jumps, find_jump_block,
8921         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
8922         Likewise.
8923         * bt-load.c (btr_referenced_p, compute_defs_uses_and_gen,
8924         link_btr_uses, move_btr_def): Likewise.
8925         * builtins.c (expand_builtin_longjmp, expand_builtin_nonlocal_goto,
8926         expand_builtin_expect_jump): Likewise.
8927         * caller-save.c (save_call_clobbered_regs, insert_one_insn): Likewise.
8928         * calls.c (expand_call, emit_library_call_value_1): Likewise.
8929         * cfganal.c (forwarder_block_p): Likewise.
8930         * cfgbuild.c (inside_basic_block_p, count_basic_blocks,
8931         make_label_edge, rtl_make_eh_edge, make_edges, find_basic_blocks_1,
8932         find_bb_boundaries): Likewise.
8933         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
8934         merge_blocks_move_predecessor_nojumps,
8935         merge_blocks_move_successor_nojumps, insns_match_p,
8936         flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
8937         try_optimize_cfg): Likewise.
8938         * cfgexpand.c (expand_block, construct_exit_block): Likewise.
8939         * cfglayout.c (skip_insns_after_block, label_for_bb,
8940         record_effective_endpoints, insn_locators_initialize,
8941         fixup_reorder_chain, update_unlikely_executed_notes): Likewise.
8942         * cfgmainloop.c (create_loop_notes): Likewise.
8943         * cfgrtl.c (delete_insn, delete_insn_chain,
8944         create_basic_block_structure, rtl_delete_block, free_bb_for_insn,
8945         update_bb_for_insn, rtl_merge_blocks, rtl_can_merge_blocks,
8946         block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
8947         redirect_branch_edge, force_nonfallthru_and_redirect,
8948         rtl_tidy_fallthru_edge, back_edge_of_syntactic_loop_p,
8949         rtl_split_edge, commit_one_edge_insertion, print_rtl_with_bb,
8950         update_br_prob_note, rtl_verify_flow_info_1, rtl_verify_flow_info,
8951         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
8952         cfg_layout_delete_block, cfg_layout_can_merge_blocks_p,
8953         cfg_layout_merge_blocks, rtl_block_ends_with_call_p,
8954         need_fake_edge_p, rtl_flow_call_edges_add): Likewise.
8955         * combine.c (combine_instructions, can_combine_p, try_combine,
8956         find_split_point, record_dead_and_set_regs, reg_dead_at_p,
8957         distribute_notes, distribute_links, insn_cuid): Likewise.
8958         * cse.c (fold_rtx, cse_insn, cse_around_loop,
8959         invalidate_skipped_block, cse_set_around_loop,
8960         cse_end_of_basic_block, cse_main, cse_basic_block,
8961         cse_condition_code_reg): Likewise.
8962         * cselib.c (cselib_process_insn): Likewise.
8963         * ddg.c (create_ddg): Likewise.
8964         * df.c (df_insn_refs_record, df_bb_rd_local_compute, df_insns_modify):
8965         Likewise.
8966         * dwarf2out.c (dwarf2out_stack_adjust, dwarf2out_frame_debug,
8967         gen_label_die, dwarf2out_var_location): Likewise.
8968         * emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn,
8969         next_insn, previous_insn, next_nonnote_insn, prev_nonnote_insn,
8970         last_call_insn, active_insn_p, next_label, prev_label,
8971         link_cc0_insns, next_cc0_user, try_split, add_insn_after,
8972         add_insn_before, remove_insn, add_function_usage_to,
8973         reorder_insns, find_line_note, remove_unnecessary_notes,
8974         emit_insn_after_1, classify_insn): Likewise.
8975         * except.c (convert_from_eh_region_ranges_1, emit_to_new_bb_before,
8976         connect_post_landing_pads, sjlj_mark_call_sites,
8977         sjlj_emit_function_enter, sjlj_emit_function_exit, reachable_handlers,
8978         can_throw_internal, can_throw_external, set_nothrow_function_flags,
8979         convert_to_eh_region_ranges): Likewise.
8980         * explow.c (optimize_save_area_alloca): Likewise.
8981         * expr.c (expand_expr_real): Likewise.
8982         * final.c (insn_current_reference_address, compute_alignments,
8983         shorten_branches, final, scan_ahead_for_unlikely_executed_note,
8984         final_scan_insn, output_asm_label, leaf_function_p): Likewise.
8985         * flow.c (first_insn_after_basic_block_note, delete_dead_jumptables,
8986         propagate_block_delete_insn, propagate_one_insn,
8987         init_propagate_block_info, propagate_block, libcall_dead_p,
8988         mark_set_1, attempt_auto_inc, find_auto_inc, try_pre_increment):
8989         Likewise.
8990         * function.c (instantiate_virtual_regs, reorder_blocks_1,
8991         expand_function_start, expand_function_end, contains,
8992         thread_prologue_and_epilogue_insns,
8993         reposition_prologue_and_epilogue_notes): Likewise.
8994         * gcse.c (constprop_register, bypass_conditional_jumps,
8995         insert_insn_end_bb, gcse_after_reload): Likewise.
8996         * genemit.c (gen_expand, gen_split): Likewise.
8997         * genpeep.c (gen_peephole, main): Likewise.
8998         * global.c (build_insn_chain): Likewise.
8999         * graph.c (node_data, print_rtl_graph_with_bb): Likewise.
9000         * haifa-sched.c (unlink_other_notes, unlink_line_notes,
9001         get_block_head_tail, no_real_insns_p, rm_line_notes, save_line_notes,
9002         restore_line_notes, rm_redundant_line_notes, rm_other_notes,
9003         ok_for_early_queue_removal, set_priorities, sched_init): Likewise.
9004         * ifcvt.c (count_bb_insns, first_active_insn, last_active_insn,
9005         cond_exec_process_insns, end_ifcvt_sequence, noce_process_if_block,
9006         merge_if_block, block_jumps_and_fallthru_p, find_if_block,
9007         dead_or_predicable): Likewise.
9008         * integrate.c (try_constants): Likewise.
9009         * jump.c (rebuild_jump_labels, cleanup_barriers,
9010         purge_line_number_notes, init_label_info, mark_all_labels,
9011         squeeze_notes, get_label_before, get_label_after,
9012         reversed_comparison_code_parts, simplejump_p, pc_set,
9013         returnjump_p, onlyjump_p, follow_jumps, mark_jump_label,
9014         delete_barrier, delete_prior_computation, delete_computation,
9015         delete_related_insns, delete_for_peephole, redirect_jump):
9016         Likewise.
9017         * lcm.c (optimize_mode_switching): Likewise.
9018         * local-alloc.c (validate_equiv_mem, update_equiv_regs, block_alloc):
9019         Likewise.
9020         * loop-doloop.c (doloop_valid_p, doloop_optimize): Likewise.
9021         * loop-invariant.c (find_exits, find_invariants_bb): Likewise.
9022         * loop-iv.c (simplify_using_assignment): Likewise.
9023         * loop.c (compute_luids, loop_optimize, scan_loop, libcall_other_reg,
9024         libcall_benefit, skip_consec_insns, move_movables, prescan_loop,
9025         find_and_verify_loops, labels_in_range_p, for_each_insn_in_loop,
9026         loop_bivs_init_find, strength_reduce, check_insn_for_bivs,
9027         check_insn_for_givs, check_final_value, update_giv_derive,
9028         basic_induction_var, product_cheap_p, check_dbra_loop,
9029         loop_insn_first_p, last_use_this_basic_block,
9030         canonicalize_condition, get_condition, loop_regs_scan, load_mems,
9031         try_copy_prop, LOOP_BLOCK_NUM, loop_dump_aux): Likewise.
9032         * modulo-sched.c (doloop_register_get, find_line_note, sms_schedule,
9033         sms_schedule_by_order): Likewise.
9034         * optabs.c (emit_no_conflict_block, emit_libcall_block): Likewise.
9035         * postreload.c (reload_cse_simplify_operands, reload_combine,
9036         reload_cse_move2add): Likewise.
9037         * predict.c (can_predict_insn_p, estimate_probability,
9038         expected_value_to_br_prob, process_note_predictions): Likewise.
9039         * print-rtl.c (print_rtx, print_rtl, print_rtl_single): Likewise.
9040         * profile.c (branch_prob): Likewise.
9041         * ra-build.c (live_out_1, livethrough_conflicts_bb,
9042         detect_webs_set_in_cond_jump): Likewise.
9043         * ra-debug.c (ra_print_rtx_object, ra_debug_insns,
9044         ra_print_rtl_with_bb): Likewise.
9045         * ra-rewrite.c (insert_stores, rewrite_program2): Likewise.
9046         * recog.c (next_insn_tests_no_inequality, find_single_use,
9047         split_all_insns, peephole2_optimize, if_test_bypass_p): Likewise.
9048         * reg-stack.c (next_flags_user, record_label_references,
9049         emit_swap_insn, swap_rtx_condition, subst_stack_regs,
9050         compensate_edge, convert_regs_1): Likewise.
9051         * regclass.c (scan_one_insn): Likewise.
9052         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
9053         regmove_optimize, fixup_match_1, single_set_for_csa,
9054         combine_stack_adjustments_for_block): Likewise.
9055         * regrename.c (build_def_use, copyprop_hardreg_forward_1): Likewise.
9056         * reload.c (find_reloads, find_reloads_address_1, subst_reloads,
9057         find_equiv_reg): Likewise.
9058         * reload1.c (reload, calculate_needs_all_insns, set_label_offsets,
9059         reload_as_needed, emit_input_reload_insns, do_output_reload,
9060         delete_output_reload, delete_address_reloads_1, fixup_abnormal_edges):
9061         Likewise.
9062         * reorg.c (find_end_label, emit_delay_sequence,
9063         delete_from_delay_slot, delete_scheduled_jump, optimize_skip,
9064         get_jump_flags, rare_destination, mostly_true_jump,
9065         try_merge_delay_insns, redundant_insn, own_thread_p,
9066         fill_simple_delay_slots, fill_slots_from_thread,
9067         fill_eager_delay_slots, relax_delay_slots, make_return_insns,
9068         dbr_schedule): Likewise.
9069         * resource.c (find_basic_block, next_insn_no_annul,
9070         find_dead_or_set_registers, mark_target_live_regs): Likewise.
9071         * rtl.h (RTX_PREV): Likewise.
9072         * rtlanal.c (global_reg_mentioned_p, no_labels_between_p,
9073         no_jumps_between_p, reg_used_between_p, reg_referenced_between_p,
9074         reg_set_p, find_last_value, dead_or_set_regno_p, find_reg_fusage,
9075         find_regno_fusage, pure_call_p, replace_label, rtx_referenced_p_1,
9076         tablejump_p, computed_jump_p, insns_safe_to_move_p,
9077         find_first_parameter_load, can_hoist_insn_p): Likewise.
9078         * sched-deps.c (get_condition, add_dependence, sched_analyze_2,
9079         sched_analyze_insn, sched_analyze, add_forward_dependence): Likewise.
9080         * sched-ebb.c (fix_basic_block_boundaries, add_deps_for_risky_insns,
9081         schedule_ebbs): Likewise.
9082         * sched-rgn.c (is_cfg_nonregular, find_conditional_protection,
9083         is_conditionally_protected, can_schedule_ready_p,
9084         add_branch_dependences, debug_dependencies): Likewise.
9085         * stmt.c (emit_nop, expand_start_case, emit_jump_if_reachable):
9086         Likewise.
9087         * unroll.c (unroll_loop, copy_loop_body, back_branch_in_range_p,
9088         reg_dead_after_loop, loop_find_equiv_value, loop_iterations,
9089         set_dominates_use, ujump_to_loop_cont): Likewise.
9090         * var-tracking.c (prologue_stack_adjust, vt_initialize): Likewise.
9091         * varasm.c (output_constant_pool_1): Likewise.
9092
9093 2004-07-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
9094
9095         * tree-scalar-evolution.c: New file.
9096         * tree-scalar-evolution.h: New file.
9097         * tree-ssa-loop-niter.c: New file.
9098         * Makefile.in (SCEV_H): New.
9099         (tree-scalar-evolution.o, tree-ssa-loop-niter.o): Add new files.
9100         * cfgloop.h (struct loop): Add bounds field.
9101         * tree-flow.h (struct tree_niter_desc): New type.
9102         (number_of_iterations_cond, number_of_iterations_exit,
9103         loop_niter_by_eval, find_loop_niter_by_eval,
9104         estimate_numbers_of_iterations, can_count_iv_in_wider_type,
9105         free_numbers_of_iterations_estimates): Declare.
9106         * tree.h (lower_bound_in_type, upper_bound_in_type): Declare.
9107         * params.def (PARAM_MAX_ITERATIONS_TO_TRACK): New parameter.
9108         * doc/invoke.texi (max-iterations-to-track): Document.
9109
9110 2004-07-08  Kaz Kojima  <kkojima@gcc.gnu.org>
9111
9112         * config/sh/sh.c (sh_va_arg): Initinalize lab_over.
9113         * config/sh/sh.h (CONST_OK_FOR_J16): Use parentheses.
9114         (MODE_AFTER): Add cast appropriately.
9115         * config/sh/sh.md (movdi splitter): Likewise.
9116         (casesi_worker_2): Add const qualifier appropriately.
9117         (eh_return): Remove unused variable.
9118         (insv): Initialize v;
9119
9120 2004-07-08  Richard Henderson  <rth@redhat.com>
9121
9122         * config/mmix/mmix-protos.h (mmix_expand_builtin_va_arg): Remove.
9123         * config/mmix/mmix.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9124         (mmix_gimplify_va_arg_expr): Rewrite from mmix_expand_builtin_va_arg.
9125         * config/mmix/mmix.h (EXPAND_BUILTIN_VA_ARG): Remove.
9126         (FRAME_POINTER_REQUIRED): Use current_function_has_nonlocal_label.
9127
9128         * config/m32r/m32r-protos.h (m32r_va_arg): Remove.
9129         * config/m32r/m32r.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9130         (m32r_gimplify_va_arg_expr): Rewrite from m32r_va_arg.
9131         * config/m32r/m32r.h (EXPAND_BUILTIN_VA_ARG): Remove.
9132
9133         * config/iq2000/iq2000-protos.h (iq2000_va_arg): Remove.
9134         * config/iq2000/iq2000.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9135         (iq2000_gimplify_va_arg_expr): Rewrite from iq2000_va_arg.
9136         * config/iq2000/iq2000.h (EXPAND_BUILTIN_VA_ARG): Remove.
9137
9138         * config/frv/frv-protos.h (frv_expand_builtin_va_arg): Remove.
9139         * config/frv/frv.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9140         (frv_gimplify_va_arg_expr): Rewrite from frv_expand_builtin_va_arg.
9141         * config/frv/frv.h (EXPAND_BUILTIN_VA_ARG): Remove.
9142
9143         * config/i860/i860-protos.h (i860_va_arg): Remove.
9144         * config/i860/i860.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9145         (i860_gimplify_va_arg_expr): Rewrite from i860_va_arg.
9146         * config/i860/i860.h (EXPAND_BUILTIN_VA_ARG): Remove.
9147
9148 2004-05-31  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
9149
9150         * system.h: Prototype getpagesize if missing.
9151         * configure.ac: Add getpagesize to gcc_AC_CHECK_DECLS.
9152         * configure: Regenerate.
9153         * config.in: Regenerate.
9154
9155 2004-07-08  Richard Henderson  <rth@redhat.com>
9156
9157         * config/fr30/fr30-protos.h (fr30_va_arg): Remove.
9158         * config/fr30/fr30.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9159         (fr30_gimplify_va_arg_expr): New.
9160         (fr30_pass_by_reference, fr30_pass_by_value, fr30_va_arg): Remove.
9161         * config/fr30/fr30.h (EXPAND_BUILTIN_VA_ARG): Remove.
9162
9163 2004-07-08  Vladimir Makarov  <vmakarov@redhat.com>
9164
9165         PR target/16414
9166         * config/ia64/ia64.c (ia64_dfa_new_cycle): Fix typo in comparison
9167         of asm_noperands result.
9168
9169 2004-07-08  Richard Henderson  <rth@redhat.com>
9170
9171         * config/cris/cris-protos.h (cris_expand_builtin_va_arg): Remove.
9172         * config/cris/cris.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9173         (cris_gimplify_va_arg_expr): Rewrite from cris_expand_builtin_va_arg.
9174         * config/cris/cris.h (EXPAND_BUILTIN_VA_ARG): Remove.
9175
9176 2004-07-08  Richard Henderson  <rth@redhat.com>
9177
9178         * builtins.c (ind_gimplify_va_arg_expr): New.
9179         * tree.h (ind_gimplify_va_arg_expr): Declare.
9180         * config/arc/arc.c (arc_gimplify_va_arg_expr): Use it.
9181
9182 2004-07-08  Jan Beulich  <jbeulich@novell.com>
9183
9184         * expmed.c (extract_bit_field): Correct condition to use vec_extract
9185         patterns also on vector elements other than the first one.
9186         * config/i386/i386.md (vec_extractv2df, vec_extractv4sf): Add missing
9187         break statements.
9188
9189 2004-07-08  Geoffrey Keating  <geoffk@apple.com>
9190
9191         * config/rs6000/darwin-ldouble.c: Correct reference
9192         to the Linnainmaa paper.
9193
9194 2004-07-08  Richard Henderson  <rth@redhat.com>
9195
9196         * config/arc/arc-protos.h (arc_va_arg): Remove.
9197         * config/arc/arc.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9198         (arc_gimplify_va_arg_expr): Rewrite from arc_va_arg.
9199         * config/arc/arc.h (EXPAND_BUILTIN_VA_ARG): Remove.
9200
9201         * config/c4x/c4x-protos.h (c4x_va_arg): Remove.
9202         * config/c4x/c4x.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9203         (c4x_gimplify_va_arg_expr): Rewrite from c4x_va_arg.
9204         * config/c4x/c4x.h (EXPAND_BUILTIN_VA_ARG): Remove.
9205
9206 2004-07-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9207
9208         * pa.md (prefetch_32, prefetch_64): Simplify constraint checks.
9209
9210 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
9211
9212         * c-decl.c (static_ctors, static_dtors): Make static.
9213         (pop_file_scope): Call c_common_write_pch and
9214         cgraph_finalize_compilation_unit here.
9215         (build_cdtor): Moved here from c-objc-common.c; simplify.
9216         (c_write_global_declarations_1): Clarify comment.
9217         (c_write_global_declarations): Close the external scope before
9218         doing anything else.  Call build_cdtor, cgraph_optimize, and
9219         mudflap_finish_file here.
9220         * c-lang.c (finish_file): Don't call c_objc_common_finish_file.
9221         Clarify comment.
9222         * c-objc-common.c: No need to include cgraph.h.
9223         (build_cdtor): Moved to c-decl.c.
9224         (c_objc_common_finish_file): Delete.
9225         * c-tree.h: Update to match.
9226         * objc/objc-act.c (finish_file): Don't call c_objc_common_finish_file.
9227         (generate_static_references): Set TREE_USED before calling finish_decl.
9228         Eliminate unnecessary dummy declaration.  Call rest_of_decl_compilation
9229         on the static_instances_decl.
9230
9231 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
9232
9233         * c-decl.c (pop_scope): Do not set DECL_CONTEXT on file-scope
9234         decls when there is only one input translation unit.
9235         * langhooks.c (lhd_set_decl_assembler_name): Partially revert
9236         change of 2004-07-05; do not treat declarations with
9237         DECL_CONTEXT a TRANSLATION_UNIT_DECL specially.
9238         * opts.c (cur_in_fname): Delete.
9239         * opts.h: Likewise.
9240         * tree.c: Revert changes of 2004-07-05; no special treatment
9241         for TRANSLATION_UNIT_DECLs.
9242         * Makefile.in (tree.o): Update dependencies.
9243
9244 2004-07-08  Roger Sayle  <roger@eyesopen.com>
9245
9246         * builtins.c (fold_builtin_strcpy): Merge functionality from
9247         simplify_builtin_strcpy.  Add additional len argument.  No longer
9248         static.  Remove function prototype.
9249         (fold_builtin_strncpy): Likewise integrate functionality from
9250         simplify_builtin_strncpy.  Add additional slen argument.  No
9251         longer static.  Remove function prototype.
9252         (simplify_builtin_strcy, simplify_builtin_strncpy): Delete.
9253         (simplify_builtin_fputs): Rename to fold_builtin_fputs.  Change
9254         types of "ignore" and "unlocked" parameters to bool.
9255         (fold_builtin_1):  Add additional ignore argument.  Call renamed
9256         fold_builtin_fputs to simplify GCC "fputs" and "fputs_unlocked"
9257         builtins.  Update arguments to fold_builtin_strncpy and
9258         fold_builtin_strcpy.  Add function prototype.
9259         (fold_builtin): Add additional Boolean ignore argument to pass
9260         to fold_builtin_1.
9261         (simplify_builtin): Call fold_builtin_fputs, fold_builtin_strcpy
9262         and fold_builtin_strncpy instead of simplify_builtin_fputs,
9263         simplify_builtin_strcpy and simplify_builtin_strncpy respectively.
9264
9265         * expr.h (simplify_builtin_fputs, simplify_builtin_strcpy,
9266         simplify_builtin_strncpy): Delete function prototypes.
9267         * tree.h (fold_builtin_fputs, fold_builtin_strcpy,
9268         fold_builtin_strncpy): Add function prototypes here.
9269         (fold_builtin): Update function prototype with new "bool ignore".
9270
9271         * tree-ssa-ccp.c (ccp_fold): Update call to fold_builtin.
9272         (ccp_fold_builtin):  Update call to fold_builtin.  Call
9273         fold_builtin_fputs, fold_builtin_strcpy and fold_builtin_strncpy
9274         instead of simplify_builtin_fputs, simplify_builtin_strcpy and
9275         simplify_builtin_strncpy respectively.
9276         * fold-const.c (fold): Update call to fold_builtin.
9277
9278 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
9279
9280         * builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy
9281         to strcpy.
9282
9283         * expr.h (FUNCTION_ARG_PARTIAL_NREGS): Default to 0.
9284         (FUNCTION_ARG_PASS_BY_REFERENCE): Likewise.
9285         (FUNCTION_ARG_CALLEE_COPIES): Likewise.
9286         * calls.c: Remove ifdefs of macros above.
9287         * functions.c: Likewise.
9288         * expr.c: Likewise.
9289
9290 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
9291
9292         * config/sparc/sparc.md (UNSPECV_GOTO_V9): Delete.
9293         (arch attribute): Delete.
9294         (current_function_calls_alloca attribute): Rename into calls_alloca.
9295         (calls_eh_return): New attribute.
9296         (leaf_function): Likewise.
9297         (length attribute): Fix formula for sibcalls.
9298         (return insn): Correctly compute the 'length' attribute.
9299         (do_builtin_setjmp_setup): Adjust use of current_function_calls_alloca.
9300
9301 2004-07-08  Richard Henderson  <rth@redhat.com>
9302
9303         * tree-cfg.c (make_exit_edges): Use get_call_expr_in.
9304         (remove_useless_stmts_1, is_ctrl_altering_stmt): Likewise.
9305         (tree_block_ends_with_call_p, need_fake_edge_p): Likewise.
9306         * tree-eh.c (lower_eh_constructs_1): Likewise.
9307         * tree-sra.c (sra_walk_modify_expr): Likewise.
9308         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
9309         (eliminate_unnecessary_stmts): Likewise.
9310         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
9311         * tree-tailcall.c (optimize_tail_call): Likewise.
9312         * tree-ssa-ccp.c (get_rhs, set_rhs): Reorg to use switch.
9313
9314 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
9315             Jakub Jelinek  <jakub@redhat.com>
9316
9317         * config/i386/i386.c (override_options): Enable
9318         SSE prefetches with -mtune, as long as we are
9319         compiling for i686 or higher.  All i686 processors
9320         accept SSE prefetches as NOPS, some i586's don't.
9321
9322 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
9323
9324         PR target/10567
9325         * config/sparc/sparc.md (update_return): Honor flag_delayed_branch.
9326
9327 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
9328
9329         * tree-ssa-operands.c (get_asm_expr_operands): Fix thinkos in
9330         the handling of clobbering ASM_EXPRs.
9331
9332 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
9333
9334         PR target/16430
9335         * config/sparc/sparc.c (function_value): In 64-bit mode,
9336         return the aggregates larger than 16 bytes like unions.
9337
9338 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
9339
9340         PR target/16199
9341         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): When
9342         'temp' is zero, generate new pseudos as needed and emit the
9343         sequence of insns in single-assignment form.  Resync comments
9344         with code.
9345         (sparc_emit_set_const64): Pass zero as 'temp' argument to above
9346         function before reload.
9347
9348 2004-07-08  Nathan Sidwell  <nathan@codesourcery.com>
9349
9350         * vec.c (vec_assert_fail): Remove duplicate 'function'.
9351
9352         * vec.c (vec_p_reserve, vec_o_reserve): Allocation is signed.
9353
9354         * vec.h (VEC_alloc, VEC_embedded_size, VEC_embedded_init):
9355         Allocation is signed.
9356         (VEC_reserve): Return flag, allocation is signed.
9357
9358 2004-07-08  Richard Henderson  <rth@redhat.com>
9359
9360         * tree-ssa-ccp.c (fold_stmt): Get type directly from
9361         OBJ_TYPE_REF_OBJECT.
9362
9363 2004-07-08  Joseph S. Myers  <jsm@polyomino.org.uk>
9364             Neil Booth  <neil@daikokuya.co.uk>
9365
9366         PR c/2511
9367         PR c/3325
9368         * c-decl.c (finish_struct): Ensure bit-fields are given the
9369         correct type.
9370         * c-common.c (c_common_signed_or_unsigned_type): For C, require
9371         the precision to match as well as the mode.
9372         * expr.c (reduce_to_bit_field_precision): New function.
9373         (expand_expr_real_1): Reduce expressions of bit-field type to
9374         proper precision.
9375         * langhooks.h (reduce_bit_field_operations): New hook.
9376         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
9377         Define.
9378         * c-lang.c, objc/objc-lang.c
9379         (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Define.
9380         * objc/objc-act.c (check_ivars): Convert types to bit-field types
9381         before checking.
9382         * tree.c (build_nonstandard_integer_type): New function.
9383         * tree.h (build_nonstandard_integer_type): New prototype.
9384         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't treat
9385         conversions between integer and boolean types as useless.
9386
9387 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
9388
9389         * c-common.c (c_common_nodes_and_builtins): Do not
9390         create __builtin_ptrdiff_t and __builtin_size_t.
9391
9392 2004-07-08  Andrew Pinski  <apinski@apple.com>
9393
9394         * Makefile.in (libbackend.o): Add -combine to the gcc
9395         command line.
9396
9397 2004-07-08  Nick Clifton  <nickc@redhat.com>
9398
9399         * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Define.
9400         Set to -Os.
9401
9402 2004-07-08  Richard Henderson  <rth@redhat.com>
9403
9404         * except.c (expand_eh_region_start, expand_eh_region_end,
9405         expand_eh_handler, expand_eh_region_end_cleanup,
9406         expand_start_all_catch, expand_start_catch, expand_end_catch,
9407         expand_end_all_catch, expand_eh_region_end_allowed,
9408         expand_eh_region_end_must_not_throw, expand_eh_region_end_throw,
9409         expand_eh_region_end_fixup): Remove.
9410         * stmt.c (struct nesting): Remove stack_level, innermost_stack_block,
9411         cleanups, outer_cleanups, label_chain, exception_region.
9412         (struct goto_fixup): Remove stack_level, cleanup_list_list.
9413         (struct label_chain): Remove.
9414         (struct stmt_status): Remove x_stack_block_stack.
9415         (stack_block_stack, expand_goto_internal, expand_fixup, expand_fixups,
9416         fixup_gotos, save_stack_pointer, expand_decl_cleanup,
9417         expand_decl_cleanup_eh, expand_cleanups, start_cleanup_deferral,
9418         end_cleanup_deferral, last_cleanup_this_contour,
9419         containing_blocks_have_cleanups_or_stack_level,
9420         any_pending_cleanups): Remove.
9421         (expand_null_return_1): Take no arguments.
9422         (expand_label, expand_naked_return, expand_return,
9423         expand_start_bindings_and_block, expand_end_bindings, expand_decl,
9424         expand_anon_union_decl, expand_start_case, pushcase, pushcase_range,
9425         expand_end_case_type): Don't use any of them.
9426         * calls.c (expand_call): Likewise.
9427         * dojump.c (do_jump): Likewise.
9428         * function.c (expand_function_end): Likewise.
9429         * expr.c (store_expr, expand_expr_real_1): Likewise.
9430         (safe_from_p): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR.
9431         (expand_expr_real_1): Don't handle WITH_CLEANUP_EXPR,
9432         CLEANUP_POINT_EXPR, TARGET_EXPR, TRY_CATCH_EXPR, CATCH_EXPR,
9433         EH_FILTER_EXPR, TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR.
9434         * fold-const.c (fold_checksum_tree): Use first_rtl_op.
9435         * gengtype.c (adjust_field_tree_exp): Remove rtl op handling.
9436         * gimplify.c (gimplify_cleanup_point_expr): Renumber operands
9437         for WITH_CLEANUP_EXPR.
9438         (gimple_push_cleanup): Likewise.
9439         * integrate.c (copy_decl_for_inlining): Don't DECL_TOO_LATE.
9440         * print-tree.c (print_node): Likewise.
9441         * tree-pretty-print.c (dump_generic_node): Remove GOTO_SUBROUTINE_EXPR.
9442         * tree.c (first_rtl_op): Always just TREE_CODE_LENGTH.
9443         (has_cleanups): Remove GOTO_SUBROUTINE_EXPR.
9444         * tree.def (WITH_CLEANUP_EXPR): Remove op1 and op2.
9445         (GOTO_SUBROUTINE_EXPR): Remove.
9446         * tree.h (WITH_CLEANUP_EXPR_RTL): Remove.
9447         (DECL_TOO_LATE): Remove.
9448         * except.h, tree.h: Update decls.
9449
9450 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
9451
9452         * explow.c (optimize_save_area_alloca): Do not accept parameters.
9453         * passes.c (rest_of_handle_final): Handle symout.
9454         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc):
9455         Push timevar here.
9456         (rest_of_handle_sched): Break out SMS.  Remove ifs for
9457         flag_schedule_insns and flag_modulo_sched.
9458         (rest_of_handle_addressof, rest_of_handle_cse2): Garbage
9459         collect at the end.
9460         (rest_of_handle_gcse2): Put under timevar TV_RELOAD_CSE_REGS.
9461         (rest_of_handle_partition_blocks, rest_of_handle_sms,
9462         rest_of_handle_if_after_reload, rest_of_handle_peephole2,
9463         rest_of_handle_mode_switching, rest_of_handle_jump,
9464         rest_of_handle_guess_branch_prob, rest_of_handle_eh,
9465         rest_of_handle_jump2, rest_of_handle_postreload,
9466         rest_of_handle_flow2, rest_of_clean_state,
9467         rest_of_handle_shorten_branches,
9468         rest_of_handle_prologue_epilogue,
9469         rest_of_handle_branch_target_load_optimize): New.
9470         (rest_of_compilation): Call the above.  Remove ggc_collect
9471         calls moved to rest_of_handle_*.
9472         * rtl.h (optimize_save_area_alloca): Do not accept parameters.
9473
9474         * dwarf2out.c (dwarf2out_begin_prologue): Use TREE_NOTHROW.
9475         * except.c (set_nothrow_function_flags): Set TREE_NOTHROW.
9476         * except.h (set_nothrow_function_flags): Update comment.
9477         * function.c (current_function_nothrow): Remove.
9478         * output.h (current_function_nothrow): Remove.
9479         * passes.c (rest_of_compilation): Do not set TREE_NOTHROW.
9480         * config/arm/arm.c (arm_compute_func_type): Use TREE_NOTHROW.
9481
9482 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
9483
9484         PR bootstrap/16326
9485         * reorg.c: Revert 2004-06-30 change.
9486         (find_end_label): If HAVE_epilogue and !HAVE_return,
9487         return 0 instead of creating a label at the end of the insn chain.
9488         (optimize_skip): Account for the failure mode of find_end_label.
9489         (fill_simple_delay_slots): Likewise.
9490         (fill_slots_from_thread): Likewise.
9491         (relax_delay_slots): Likewise.
9492
9493 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
9494
9495         * tree-flow.h (addressable_vars): Declare.
9496         * tree-ssa-alias.c (addressable_vars): Define.
9497         (setup_pointers_and_addressables): Add addressable variables
9498         to addressable_vars.
9499         * tree-ssa-operands.c (get_stmt_operands): Move
9500         handling of ASM_EXPRs ...
9501         (get_asm_expr_operands): ... here.
9502         When the ASM_EXPR clobbers memory, also clobber addressable
9503         variables.
9504         * tree-ssa.c (init_tree_ssa): Initialize addressable_vars.
9505         (delete_tree_ssa): Reset addressable_vars.
9506
9507 2004-07-07  Jan Beulich  <jbeulich@novell.com>
9508             Richard Henderson  <rth@redhat.com>
9509
9510         * varasm.c (assemble_variable): Use assemble_zeros for
9511         zero-initialized variables.
9512         (categorize_decl_for_section): Honor flag_zero_initialized_in_bss
9513         for SECCAT_BSS and SECCAT_TBSS.
9514
9515 2004-07-07  Jan Beulich  <jbeulich@novell.com>
9516
9517         * varasm.c (asm_output_bss): Don't declare unless BSS_SECTION_ASM_OP.
9518
9519         * expmed.c (emit_store_flag): Also special-case double-word
9520         (in-)equality comparison against -1.
9521
9522         * config/i386/i386.c (ix86_gimplify_va_arg): Don't need temporary for
9523         passing arguments the containers for which are registers.
9524
9525         * calls.c (emit_library_call_value_1): Use mode of function parameter
9526         rather than that of argument since constants have none.
9527
9528 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
9529
9530         Introduce H8SX support.
9531         * expr.c (expand_strcpy): Renamed and moved to...
9532         * builtins.c (expand_movstr): ... here.  Tweak.
9533         (expand_builtin_strcpy): Adjust.  Use movstr if len can't be
9534         computed or has side effects.
9535         (expand_builtin_stpcpy): Likewise.  Use strcpy if return value is
9536         unused, or if mempcpy fails.  Adjust the return value in the
9537         latter case.  Use movstr if everything else fails.
9538         * doc/md.texi (movstr): Document.
9539         (movmemM, clrmemM): Fix explanation of memory block operands.
9540         * config/h8300/h8300.md (stpcpy): Renamed to...
9541         (movstr): ... this.  Adjust.
9542         2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
9543         * config/h8300/h8300.md: Rename movstr*, except for movstrict*, to
9544         movmem* and clrstr* to clrmem*.
9545         2004-06-27  Alexandre Oliva  <aoliva@redhat.com>
9546         * config/h8300/h8300.c (h8300_reg_class_from_letter): Map 'D' to
9547         GENERAL_REGS, always.
9548         (h8300_swap_into_er6, h8300_swap_into_er6): Handle the case of
9549         getting the stack pointer as addr.
9550         * config/h8300/h8300.h (PREDICATE_CODES): Remove constant rtxes
9551         from general_operand_dst.
9552         * config/h8300/h8300.md (movmd_internal_normal): New, normal-mode
9553         variant of...
9554         (movmd_internal): ... this.  Add modes to operands.  Disparage `D'
9555         instead of requiring it to match only before reload.
9556         (stpcpy_internal_normal): New, normal-mode variant of...
9557         (stpcpy_internal): ... this.  Add modes to operands.  Disparage
9558         `D' instead of requiring it to match only before reload.
9559         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Add
9560         mode argument.
9561         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Pass it to...
9562         * config/h8300/h8300.c (h8300_legitimate_address_p): Pass it to
9563         h8300_get_index.
9564         * config/h8300/h8300.md (attr type): Add call.
9565         (attr can_delay): If type is call, set it no.
9566         (call, call_value): Set type to call.
9567         2004-06-21  Alexandre Oliva  <aoliva@redhat.com>
9568         * config/h8300/h8300.md (logicalhi3_sn, logicalsi3_sn): New.
9569         2004-06-16  Alexandre Oliva  <aoliva@redhat.com>
9570         * tree.c (get_narrower): Don't narrow integral types into
9571         non-integral types.
9572         * config/h8300/h8300.c (h8300_expand_epilogue): Initialize
9573         frame_size *before* the first use.
9574         * config/h8300/h8300.md (movstrictqi): Reintroduce post-increment
9575         on input.
9576         (peephole2): Don't widen instructions that push SP.  Move
9577         decrement of SP to the end of all stm-generating peepholes.
9578         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
9579         * config/h8300/h8300.md (insv): Prefer to use AND to clear a bitfield
9580         and OR to set it to all ones.
9581         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
9582         * config/h8300/h8300.md (can_delay): Default to "no" for bit branches.
9583         (call, call_value): Set can_delay to "no".
9584         2003-07-22  Richard Sandiford  <rsandifo@redhat.com>
9585         * config/h8300/h8300.md (extzv): Make subreg check more robust.
9586         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
9587         * config/h8300/h8300.md (*brabit): Remove.
9588         * config/h8300/h8300.md (*brabc, *brabs): Remove mode from
9589         zero_extract.  Use bit_memory_operand as the predicate for
9590         operand 1 and 'WU' as the constraint.  Check the difference
9591         between the base length and the final one when deciding which
9592         type of branch to use.
9593         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
9594         * config/h8300/h8300.md (extzv): Remove mode from operands 0 and 1.
9595         Use convert_move to extend the result for TARGET_H8300SX.  Check
9596         for QImode memory references.  Optimize the case where the
9597         destination is a paradoxical subreg.
9598         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
9599         * config/h8300/h8300.md (*movsf_h8sx): Add an r <- G alternative.
9600         * config/h8300/h8300.md (andqi): Remove bclr from h8sx version.
9601         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
9602         * config/h8300/h8300.md: Include mova.md
9603         (length_table): Add mova and mova_zero.
9604         * config/h8300/h8300.c (print_operand): Handle '%o'.  Print a length
9605         after all constant addresses for '%R', '%X', '%T' and '%S'.
9606         (h8300_mova_length): New function.
9607         (h8300_insn_length_from_table): Use it to handle mova and mova_zero.
9608         * config/h8300/t-h8300 (mova.md): Generate from genmova.sh.  Add to
9609         dependencies for s-config, etc.
9610         * config/h8300/gemova.sh: New file.
9611         * config/h8300/mova.md: Generated.
9612         2003-07-20  Alexandre Oliva  <aoliva@redhat.com>
9613         * config/h8300/h8300.c (h8300_bitfield_length): New.
9614         (nibble_operand): Adjust.
9615         (h8300_binary_length): Handle conditional binary op.
9616         (h8300_insn_length_from_table): Handle bitfield and bitbranch.
9617         * config/h8300/h8300.h: Change constraints W# and Y# to P#>X and
9618         P#<X, respectively.  The original P is now IP4>X.  Introduced P#>0
9619         and P#<0, unused so far.  W and Y are now prefixes to multi-letter
9620         constraints.  WU is introduced as a variant of U that requires a
9621         mem, and is therefore considered an EXTRA_MEMORY_CONSTRAINT.
9622         * config/h8300/h8300.md (attr type): Added bitbranch.
9623         (attr length_table): Added bitfield and bitbranch.
9624         (attr length): Compute bitbranch length.
9625         (andqi): Separate pattern for H8300SX.  Use bfld for loading the
9626         least-significant bit of a byte.
9627         (brabit, brabc, brabs): New.
9628         (insv, extzv): Emit bfst and bfld on H8300SX.
9629         (bfld, bfst, seq, sne): New.
9630         (bstzhireg, cmpstz, bstz, bistz): New.
9631         (cmpcondbset, condbset, cmpcondbclr, condbclr): New.
9632         (cmpcondbsetreg, condbsetreg, cmpcondbclrreg, condbclrreg): New.
9633         2003-07-11  Richard Sandiford  <rsandifo@redhat.com>
9634         * config/h8300/h8300.c (h8sx_binary_memory_operator): New function.
9635         (h8sx_unary_memory_operator): New function.
9636         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Disable.
9637         (PREDICATE_CODES): Add h8sx_{unary,binary}_memory_operator.
9638         * config/h8300/h8300.md: Add peepholes to combine reloads and
9639         arithmetic insns.
9640         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
9641         * config/h8300/h830.md (cmpqi): Use 'i' rather than 'n' in constraints.
9642         (*cmphi_h8300hs, *addqi3, *addhi3_h8sx, subhi3): Likewise.
9643         (and?i, ior?i, xor?i): Likewise.
9644         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
9645         * config/h8300/h8300.c: Move enums and prototypes to head of file.
9646         Various whitespace fixes.
9647         (h8300_constant_length): New function, split out from...
9648         (h8300_displacement_size): ...here.  Rename h8300_displacement_length.
9649         (h8300_classify_operand): Use IN_RANGE.
9650         (h8300_classify_operand): Use h8300_constant_length.
9651         (h8300_short_move_mem_p): Tighten size check.
9652         (h8sx_mergeable_memrefs_p): Tighten equality check.
9653         2003-06-30  Richard Sandiford  <rsandifo@redhat.com>
9654         * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Define __H8300SX__
9655         for -msx.
9656         * config/h8300/crti.asm: Use .h8300sx or .h8300sxn for -msx code.
9657         * config/h8300/crtn.asm: Likewise.
9658         * config/h8300/lib1funcs.asm: Likewise.  Use 32-bit pointers
9659         if __H8300SX__ is defined.
9660         2003-06-27  Richard Sandiford  <rsandifo@redhat.com>
9661         * config/h8300/h8300-protos.h (h8300_get_index): Add mode parameter.
9662         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Update accordingly.
9663         (GO_IF_MODE_DEPENDENT_ADDRESS): Treat POST_DEC, PRE_INC and indexed
9664         addresses as mode-dependent.
9665         * config/h8300/h8300.c (print_operand_address): Update call to
9666         h8300_get_index.
9667         (h8300_get_index): Take a mode argument.  Rework to fix an
9668         earlier misunderstanding.
9669         2003-06-26  Richard Sandiford  <rsandifo@redhat.com>
9670         * config/h8300/h8300.c (zero_extendqisi2): Force the source operand
9671         into a register if TARGET_H8300SX.
9672         (*zero_extendqisi2_h8300hs, *extendqisi2_h8300): Disable for
9673         TARGET_H8300SX.  Also disable related define_splits.
9674         (*zero_extendqisi2_h8sx, *extendqisi2_h8sx): New patterns.
9675         2003-06-23  Richard Sandiford  <rsandifo@redhat.com>
9676         * config/h8300/h8300.c (h8300_rtx_costs): Add h8sx handling.
9677         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
9678         * config/h8300/h8300.h (OK_FOR_Z): New macro.
9679         (EXTRA_CONSTRAINT_STR): Check it.
9680         * config/h8300/h8300.c (h8300_classify_operand): Accept null
9681         class arguments.
9682         (h8300_insn_length_from_table): Handle LENGTH_TABLE_MOV_IMM4.
9683         * config/h8300/h8300.md (length_table): Add mov_imm4.
9684         (movqi, movhi): Add Z <- W4 alternatives to h8sx patterns.
9685         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
9686         * genattrtab.c (write_eligible_delay): Allow candidate_insn to
9687         be a label.
9688         * config/h8300/h8300.h (DELAY_SLOT_LENGTH): New macro.
9689         * config/h8300/h8300.c (h8300_reorg): New function.
9690         (TARGET_MACHINE_DEPENDENT_REORG): Define.
9691         * config/h8300/h8300.md (length): Subtract the length of the
9692         delay slot from (pc) when checking the range of forward branches.
9693         (delay_slot, can_delay): New attributes.
9694         (define_delay): Add bra/s handling.
9695         (movmd_internal, return_h8sx, *return_1): Set can_delay to no.
9696         (jump): Add delayed-branch handling.
9697         2003-06-17  Richard Sandiford  <rsandifo@redhat.com>
9698         * expr.c (expand_strcpy): New function.
9699         * builtins.c (expand_builtin_strcpy): Fall back on expand_strcpy.
9700         (expand_builtin_stpcpy): Likewise.
9701         * config/h8300/h8300-protos.h (h8sx_split_movmd): Remove.
9702         (h8300_swap_into_er6, h8300_swap_out_of_er6): Declare.
9703         * config/h8300/h8300.c (h8300_reg_class_from_letter): Tweak 'd'
9704         handling to improve register allocation for -fno-omit-frame-pointer.
9705         (h8sx_split_movmd): Delete, moving er6 handling into...
9706         (h8300_swap_into_er6, h8300_swap_out_of_er6): ...these new functions.
9707         * config/h8300/h8300.md (UNSPEC_STPCPY): New unspec constant.
9708         (movmd): Add calls to copy_rtx.
9709         (movmd_internal): In the second alternative, allow the initial and
9710         final destination registers to be different .  Update the splitter
9711         accordingly.  Call h8300_swap_into_er6 and h8300_swap_out_of_er6
9712         instead of h8sx_split_movmd.
9713         (stpcpy, movsd): New expanders.
9714         (movsd_internal): New define_insn.
9715         2003-06-13  Richard Sandiford  <rsandifo@redhat.com>
9716         * config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Declare.
9717         (h8sx_emit_movmd, h8sx_split_movmd): Declare.
9718         * config/h8300/h8300.h (reg_class): Add COUNTER_REGS, SOURCE_REGS
9719         and DESTINATION_REGS.
9720         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
9721         (REGNO_REG_CLASS): Map er4, er5 and er6 to the new classes.
9722         (REG_CLASS_FROM_LETTER): Use h8300_reg_class_from_letter.
9723         (h8300_move_ratio): Declare.
9724         (MOVE_RATIO): Use it.
9725         * config/h8300/h8300.c (h8300_move_ratio): New variable.
9726         (h8300_init_once): Initialize it.
9727         (h8300_reg_class_from_letter): New function.
9728         (print_operand): Add an 'm' prefix for printing ".b", ".w" or ".l".
9729         (h8sx_emit_movmd, h8sx_split_movmd): New functions.
9730         * config/h8300/h8300.md (UNSPEC_MOVMD): New unspec constant.
9731         (COUNTER_REG, SOURCE_REG, DESTINATION_REG): New register constants.
9732         (movstrsi, movmd): New expanders.
9733         (movmd_internal): New insn.
9734         2003-06-06  Richard Sandiford  <rsandifo@redhat.com>
9735         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Define.
9736         2003-06-04  Richard Sandiford  <rsandifo@redhat.com>
9737         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxnelf for -msx -mn.
9738         * config/h8300/h8300.c (asm_file_start): Use .h8300sxn likewise.
9739         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
9740         * config/h8300/h8300.c (nibble_operand): Fix warning.
9741         * config/h8300/h8300.md (movstricthi): Set adjust_length to no.
9742         (movsi_h8sx): Likewise here and the normal h8sx movhi pattern.
9743         (movsf_h8300h): Disable for TARGET_H8300SX.
9744         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
9745         * config/h8300/h8300.h (PREDICATE_CODES): Add h8300_ldm_parallel,
9746         h8300_stm_parallel and h8300_return_parallel.
9747         * config/h8300/h8300.c (h8300_push_pop, h8300_stack_offset_p,
9748         h8300_ldm_stm_regno, h8300_ldm_stm_parallel, h8300_ldm_parallel,
9749         h8300_stm_parallel, h8300_return_parallel): New functions.
9750         (h8300_expand_prologue): Don't enforce ldm/stm register alignment
9751         if TARGET_H8300SX.  Use h8300_push_pop.
9752         (h8300_expand_epilogue): Likewise.  Try to merge the return insn
9753         and final pop when generating h8sx code.  Always emit some form
9754         of return insn.
9755         * config/h8300/h8300.md: Don't enforce register alignment in
9756         stm peepholes if TARGET_H8300SX.
9757         (ldm_h8300s, stm_h8300s, return_h8sx): New patterns.
9758         (ldm_h8300s_[234], stm_h8300_[234]): Disable.
9759         (epilogue): Expect h8300_expand_epilogue to emit a return insn.
9760         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
9761         * config/h8300/t-h8300 (MULTILIB_OPTIONS): Add a -msx multilib.
9762         (MULTILIB_DIRNAMES): Add a directory for it.
9763         (MULTILIB_MATCHES): Delete.
9764         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
9765         * final.c (walk_alter_subreg): Handle addresses with subregs
9766         inside a ZERO_EXTEND or AND.
9767         * config/h8300/h8300-protos.h (h8300_get_index): Declare.
9768         * config/h8300/h8300.h (INDEX_REG_CLASS): Set to GENERAL_REGS
9769         if TARGET_H8300SX.
9770         (GO_IF_LEGITIMATE_ADDRESS): Use h8300_get_index.
9771         * config/h8300/h8300.c (print_operand_address): Handle @(dd,RnL.b),
9772         @(dd,Rn.w) and @(dd,ERn.L).
9773         (h8300_displacement_size): Take the whole address as argument.
9774         (h8300_classify_operand, h8300_short_move_mem_p): Adjust accordingly.
9775         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
9776         * config/mips/mips-protos.h (h8300_operands_match_p): Declare.
9777         (h8sx_mergeable_memrefs_p): Declare.
9778         * config/h8300/h8300.h (HAVE_POST_DECREMENT): Define to TARGET_H8300SX.
9779         (HAVE_PRE_INCREMENT): Likewise.
9780         (GO_IF_LEGITIMATE_ADDRESS): Accept pre/post increment/decrement
9781         addresses for TARGET_H8300SX,
9782         * config/h8300/h8300.c (print_operand_address): Deal with PRE_INC
9783         and POST_DEC.
9784         (movb_length_table, movl_length_table): New tables.
9785         (movw_length_table): Define to movb_length_table.
9786         (h8300_displacement_size): New, split out from...
9787         (h8300_classify_address): ...here.  Handle pre/post inc/dec.
9788         (h8300_short_immediate_length): Allow H8OP_MEM_COMPLEX operands.
9789         (h8300_insn_length_from_table): Add cases for movb, movw and movl.
9790         (h8sx_mergeable_memrefs_p, h8300_operands_match_p): New functions.
9791         (output_plussi): Use add.l #xx:3,Rn and sub.l #xx:3,Rn for h8sx.
9792         (compute_plussi_length, compute_plussi_cc): Update accordingly.
9793         (h8sx_unary_shift_operator): Get the mode from the operator.
9794         (binary_shift_operator): Likewise.
9795         * config/h8300/h8300.md: If a peephole2 applies gen_lowpart to
9796         a memory reference, check whether the reference is offsettable.
9797         (length_table): Add movb, movw and movl.
9798         (movqi): Add new h8sx pattern.  Don't force one operand to be a
9799         register when generating h8sx code.
9800         (movhi, movsi, movsf): Likewise.
9801         (movstrictqi): Use the length_table attribute.
9802         (movstricthi): Likewise.  Add h8sx alternative for mov.w #xx:3,Rn.
9803         (addqi3): Split into a define_expand and define_insn.  Don't accept
9804         memory operands in the expander.  Use h8300_operands_match_p to
9805         check for matching operands in the define_insn.
9806         (subqi3, negqi2, one_cmplqi2): Likewise.
9807         (add[hs]i3): Don't accept memory operands in the expander.  Likewise
9808         in any patterns that are unused in h8sx code.  In the h8sx patterns,
9809         use h8300_operands_match_p to check whether operands match.
9810         (sub[hs]i3, and[hi]3, ior[hs]i3, xor[hs]i3, neg[hsi]3,
9811         one_cmpl[hs]i3): Likewise.
9812         (andqi3, iorqi3, xorqi3): Likewise.  Don't call fix_bit_operand
9813         in the expander.
9814         2003-05-23  Richard Sandiford  <rsandifo@redhat.com>
9815         * config/h8300/h8300-protos.h (expand_a_shift): Return a bool.
9816         (h8300_insn_length_from_table): Add a second parameter.
9817         (output_h8sx_shift): Declare.
9818         * config/h8300/h8300.h (OK_FOR_W, OK_FOR_Y): New macros.
9819         (EXTRA_CONSTRAINT): Replace with...
9820         (EXTRA_CONSTRAINT_STR): ...this.  Use OK_FOR_W and OK_FOR_Y.
9821         (CONSTRAINT_LEN): Define, returning 2 for 'W' and 'Y'.
9822         (PREDICATE_CODES): Add entries for h8sx_unary_shift_operator
9823         and h8sx_binary_shift_operator.
9824         * config/h8300/h8300.c (two_insn_adds_subs_operand): Return false
9825         for TARGET_H8300SX.
9826         (bit_operand): Replace use of EXTRA_CONSTRAINT with OK_FOR_U.
9827         (bit_memory_operand, fix_bit_operand): Likewise.
9828         (h8300_length_table_for_insn): Remove.
9829         (h8300_classify_operand): Fix check for 16-bit operands in 32-bit
9830         instructions.
9831         (h8300_short_immediate_length, h8300_binary_length): New functions.
9832         (h8300_insn_length_from_table): Add an opcodes parameter.  Rework.
9833         (output_plussi): Use sub to add negative constants.
9834         (compute_plussi_length): Adjust accordingly.
9835         (h8sx_single_shift_type): New enum.
9836         (h8sx_single_shift, h8sx_unary_shift_operator,
9837         h8sx_binary_shift_operator, output_h8sx_shift): New functions.
9838         (expand_a_shift, expand_a_rotate): Emit nothing if the shift is a
9839         single h8sx instruction.  Return false in this case.
9840         * config/h8300/h8300.md (length_table): Add short_immediate.
9841         (length): Pass the operand array to h8300_insn_length_from_table.
9842         (adjust_length): Assume "no" for insns with a length_table attribute.
9843         (*cmphi_h8300hs, cmpsi): Add alternatives for #xx:3.
9844         (*addhi3_h8300hs): Don't use for h8sx.
9845         (*addhi3_h8sx): New pattern, with alternatives for add.w #xx:3
9846         and sub.w #xx:3.
9847         (ashl[qhs]i3, lshr[qhs]i3, ashr[qhs]i3, rotl[qhs]i3): Change operand
9848         1's predicate to nonimmediate_operand.  Only skip default expansion
9849         if expand_a_shift or expand_a_rotate returns true.  Add new patterns
9850         for single h8sx shift instructions.
9851         2003-05-22  Alexandre Oliva  <aoliva@redhat.com>
9852         * config/h8300/h8300.c (nibble_operand): Split out of...
9853         (reg_or_nibble_operand): ... this.
9854         * config/h8300/h8300.h (PREDICATE_CODES): Added nibble_operand.
9855         * config/h8300/h8300.md: (mulqihi3, mulhisi3, umulqihi3,
9856         umulhisi3): Introduce expand, and introduce separate insns for
9857         sign- or zero-extended REG and already-extended CONST_INT.
9858         2003-05-20  Richard Sandiford  <rsandifo@redhat.com>
9859         * config/h8300/h8300.c (h8300_unary_length): Fix miscounting.
9860         * config/h8300/h8300.md (subqi3): Generalize for h8sx.
9861         (subhi3): Likewise.  Don't accept immediates for operand 1.
9862         Remove the early clobber from second alternative of the h8300s pattern.
9863         (subsi3): Generalize for h8sx.  Force operand 2 into a register
9864         on plain h8300 targets.
9865         (subsi3_h8300): Use h8300_dst_operand for consistency with expander.
9866         (subsi3_h8300h): Generalize for h8sx.
9867         (one_cmplqi2, one_cmplhi2, one_cmplsi2): Likewise.
9868         2003-05-19  Alexandre Oliva  <aoliva@redhat.com>
9869         * config/h8300/h8300.c (reg_or_nibble_operand): New.
9870         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
9871         (TARGET_H8300SXMUL): New.
9872         (CONST_OK_FOR_P): New.
9873         (CONST_OK_FOR_LETTER_P): Adjust.
9874         * config/h8300/h8300.md (mulqihi3, mulhisi3, umulqihi3,
9875         umulhisi3): Accept 4-bit immediate on H8SX.
9876         (mulhi3, mulsi3, smulsi3_highpart, umulsi3_highpart): New.
9877         (udivsi3, divhi3, udivsi3, divsi3): New.
9878         2003-05-19  Richard Sandiford  <rsandifo@redhat.com>
9879         * config/h8300/h8300-protos.h (h8300_insn_length_from_table): Declare.
9880         * config/h8300/h8300.h (OK_FOR_Q): New macro.
9881         (EXTRA_CONSTRAINT): Use it to check the 'Q' constraint.
9882         (PREDICATE_CODES): Add h8300_src_operand and h8300_dst_operand.
9883         Add ADDRESSOF to the bit_operand entry.
9884         * config/h8300/h8300.c (h8300_dst_operand): New predicate.
9885         (h8300_src_operand): Likewise.
9886         (bit_operand): Check nonimmediate_operand rather than general_operand.
9887         Accept any nonimmediate_operand in h8sx code.
9888         (h8300_and_costs): Initialize operands[1].
9889         (h8300_rtx_costs) <AND>: Return false if the operands aren't valid.
9890         (h8300_operand_class): New enum.
9891         (h8300_length_table): New typedef.
9892         (addb_length_table, addw_length_table, addl_length_table,
9893         logicl_length_table): New tables.
9894         (logicb_length_table, logicw_length_table): New macros.
9895         (h8300_classify_operand, h8300_length_from_table,
9896         h8300_length_table_for_insn, h8300_unary_length,
9897         h8300_insn_length_from_table): New functions.
9898         (output_plussi): Only use adds and subs for register destinations.
9899         Disable redundant clause.
9900         (compute_plussi_cc): Likewise.
9901         (compute_plussi_length): Likewise.  Use h8300_length_from_table
9902         to work out the length of an insn.
9903         (output_logical_op): Only use narrower immediate instructions
9904         if the destination is a register.
9905         (compute_logical_op_cc): Likewise.
9906         (compute_logical_op_length): Likewise.  Use h8300_length_from_table.
9907         (h8300_adjust_insn_length): Tighten check for reg<->mem moves.
9908         * config/h8300/h8300.md (length_table): New attribute.
9909         (length): When an instruction has a length_table attribute, use
9910         h8300_insn_length_from_table to calculate its default length.
9911         (cmpqi): Use h8300_dst_operand for the first operand and
9912         h8300_src_operand for the second.
9913         (cmphi, *cmphi_h8300hs, cmpsi, negqi2, neghi2, neghi2_h8300h, negsi2,
9914         negsi2_h8300h, addqi3, addhi3, *addhi3_h8300, *addhi3_h8300hs, addsi3,
9915         addsi_h8300, addsi_h8300h, andhi3, andsi3, iorhi3,
9916         iorsi3, xorhi3, xorsi3): Likewise.
9917         (andqi3): Use h8300_src_operand for operand 2.  Adjust the condition
9918         so that it allows any combination of operands for TARGET_H8300SX.
9919         (iorqi3, xorqi3): Likewise.
9920         (cmpqi): Use the length_table attribute.
9921         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, andqi3, iorqi3,
9922         xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
9923         (cmpqi): Add 'Q' constraint.
9924         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, addsi_h8300h, andqi3,
9925         iorqi3, xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
9926         2003-05-14  Richard Sandiford  <rsandifo@redhat.com>
9927         * config/h8300/h8300.h (MASK_H8300SX): New macro.
9928         (TARGET_H8300S): True for both -ms and -msx.
9929         (TARGET_H8300SX): New macro.
9930         (TARGET_SWITCHES): Add entries for -msx and -mno-sx.
9931         * config/h8300/h8300.c (asm_file_start): Write .h8300sx for -msx.
9932         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxelf for -msx.
9933         * config/h8300/t-h8300 (MULTILIB_MATCHES): Use -ms multilibs for -msx.
9934         [Temporary change.]
9935         2003-02-28  Alexandre Oliva  <aoliva@redhat.com>
9936         * config/h8300/h8300.h (SIZE_TYPE, PTRDIFF_TYPE): Use short with
9937         16-bit pointers and 32-bit ints.
9938         * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Accept
9939         CONST_DOUBLE with mode no wider than SImode.
9940         * config/h8300/h8300.md (extendqisi2_h8300): Add constraints for
9941         output operand.
9942         2003-02-27  Alexandre Oliva  <aoliva@redhat.com>
9943         * config/h8300/h8300.c (general_operand_src): Match CONSTANT_P_RTX
9944         or SUBREG thereof.
9945         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
9946         2003-02-22  Alexandre Oliva  <aoliva@redhat.com>
9947         * config/h8300/h8300.c (dosize): Truncate sign * size to Pmode.
9948
9949 2004-05-28  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
9950
9951         * config.gcc (i[34567]86-*-mingw32*): Enable threads by default.
9952
9953 2004-07-07  Per Bothner  <per@bothner.com>
9954
9955         * flow.c (attempt_auto_inc):  Remove now-redundant PUT_CODE.
9956
9957 2004-07-07  Mike Stump  <mrs@apple.com>
9958
9959         * darwin.h (ASM_OUTPUT_LABELREF): Fix -fno-leading-underscore.
9960         * darwin.c (machopic_non_lazy_ptr_name, machopic_stub_name)
9961         (machopic_finish): Likewise.
9962
9963 2004-07-07  Richard Henderson  <rth@redhat.com>
9964
9965         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Look
9966         through any value-preserving cast.
9967
9968 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
9969
9970         * function.c (assign_parm_find_data_types): Call
9971         FUNCTION_ARG_PASS_BY_REFERENCE only if it's defined.
9972
9973 2004-07-07  Steven Bosscher  <stevenb@suse.de>
9974
9975         * tree-cfg.c (group_case_labels): Remove case labels that have
9976         the same target as the default case.
9977
9978 2004-07-07  Steven Bosscher  <stevenb@suse.de>
9979
9980         * tree-inline.c (optimize_inline_calls): Set DECL_INLINED_FNS
9981         regardless of DECL_LANG_SPECIFIC being present or not.
9982         * tree.h (DECL_NUM_STMTS): Purge.
9983
9984 2004-07-07  Andrew Pinski  <apinski@apple.com>
9985
9986         * configure: Regenerate with the right autoconf.
9987
9988 2004-07-07  David Edelsohn  <edelsohn@gnu.org>
9989
9990         * ifcvt.c (total_bb_rtx_cost): New function.
9991         (find_if_case_1): Compare rtx_cost of basic block to cost of
9992         BRANCH_COST insns.
9993         (find_if_case_2): Same.
9994
9995 2004-07-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
9996
9997         PR target/10567
9998         * config/sparc/sparc.c (load_pic_register): Honor flag_delayed_branch.
9999         (output_return): Likewise.
10000         (output_sibcall): Abort if !flag_delayed_branch.
10001         (sparc_function_ok_for_sibcall): Return 0 if !flag_delayed_branch.
10002         (emit_and_preserve): New function.
10003         (sparc_output_mi_thunk): Use it.  Honor flag_delayed_branch.  Emit an
10004         indirect jump to the thunked-to function if !flag_delayed_branch.
10005         * config/sparc/sparc.md (delayed_branch): New attribute.
10006         (load_pcrel_sym): Honor flag_delayed_branch.  Use above
10007         attribute to compute the length of the insn.
10008         (goto_handler_and_restore): Likewise.
10009
10010 2004-07-07  Andrew Pinski  <apinski@apple.com>
10011
10012         PR tree-optimization/15777
10013         * fold-const.c (fold_single_bit_test): Fold the x^1 expression.
10014
10015         * expr.c (expand_expr_real_1): Fix formating.
10016         BUFFER_REF and IN_EXPR are dead.
10017         * fold-const.c (non_lvalue): BUFFER_REF is dead.
10018         * tree-inline.c (estimate_num_insns_1): Likewise.
10019         * tree-pretty-print.c (dump_generic_node): BUFFER_REF,
10020         IN_EXPR, SET_LE_EXPR, and CARD_EXPR are dead.
10021         * tree.def (BUFFER_REF, IN_EXPR, SET_LE_EXPR, CARD_EXPR): Kill.
10022
10023 2004-07-07  H.J. Lu  <hongjiu.lu@intel.com>
10024
10025         * collect2.c (dump_file): Don't call cplus_demangle if
10026         HAVE_LD_DEMANGLE is defined.
10027         (main): Pass "--demangle" to ld if no_demangle is not 0 and
10028         HAVE_LD_DEMANGLE is defined. Don't set current_demangling_style
10029         if HAVE_LD_DEMANGLE is defined.
10030
10031         * configure.ac (--with-demangler-in-ld): Added
10032         (HAVE_LD_DEMANGLE): Define if ld supports --demangle when
10033         --with-demangler-in-ld is used.
10034         * config.in: Regenerated.
10035         * configure: Likewise.
10036
10037 2004-07-07  Roger Sayle  <roger@eyesopen.com>
10038
10039         * config/rs6000/rs6000.c (struct processor_costs): Add new fields
10040         for simple floating point operations "fp", double precision
10041         multiplication "dmul", and single and double precision division
10042         "sdiv" and "ddiv".  Update all CPU variant tables as appropriate.
10043         (ppc630_cost): New table split from ppc620_cost, to distinguish
10044         differences in floating point latencies.
10045         (rs6000_override_options): Use ppc630_cost for PROCESSOR_PPC630.
10046         (rs6000_rtx_costs): Add support for single and double precision
10047         floating point addition, subtraction, multiplication, division,
10048         fused-multiply-add, fused-multiply-sub, negation, absolute value
10049         and negative absolute value.  Tweak MEM case to use prefered idiom.
10050
10051 2004-07-07  Richard Henderson  <rth@redhat.com>
10052
10053         * tree-flow-inline.h (may_propagate_copy): Move...
10054         * tree-ssa-copy.c (may_propagate_copy): ... here.  Fail if we
10055         attempt to copy between types requiring conversion.
10056         * tree-flow.h (may_propagate_copy): Update decl.
10057         * tree-ssa-dom.c (cprop_operand): Tidy redundant tests.
10058
10059 2004-07-07  Jakub Jelinek  <jakub@redhat.com>
10060
10061         * config/i386/i386.c (override_options): Don't set x86_prefetch_sse
10062         from -mtune= option.
10063
10064 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
10065
10066         * builtins.c: Rename movstr*, except for movstrict*, to
10067         movmem* and clrstr* to clrmem*.
10068         * expr.c: Likewise.
10069         * expr.h: Likewise.
10070         * genopinit.c: Likewise.
10071         * integrate.c: Likewise.
10072         * local-alloc.c: Likewise.
10073         * optabs.c: Likewise.
10074         * optabs.h: Likewise.
10075         * config/alpha/alpha.h: Likewise.
10076         * config/alpha/alpha.md: Likewise.
10077         * config/arm/arm-protos.h: Likewise.
10078         * config/arm/arm.c: Likewise.
10079         * config/arm/arm.md: Likewise.
10080         * config/avr/avr.md: Likewise.
10081         * config/c4x/c4x.c: Likewise.
10082         * config/c4x/c4x.md: Likewise.
10083         * config/frv/frv.md: Likewise.
10084         * config/i386/i386-protos.h: Likewise.
10085         * config/i386/i386.c: Likewise.
10086         * config/i386/i386.h: Likewise.
10087         * config/i386/i386.md: Likewise.
10088         * config/i860/i860.c: Likewise.
10089         * config/i860/i860.md: Likewise.
10090         * config/ip2k/ip2k.md: Likewise.
10091         * config/ip2k/libgcc.S: Likewise.
10092         * config/ip2k/t-ip2k: Likewise.
10093         * config/m32r/m32r.c: Likewise.
10094         * config/m32r/m32r.md: Likewise.
10095         * config/mcore/mcore.md: Likewise.
10096         * config/mips/mips.c: Likewise.
10097         * config/mips/mips.md: Likewise.
10098         * config/ns32k/ns32k.c: Likewise.
10099         * config/ns32k/ns32k.h: Likewise.
10100         * config/ns32k/ns32k.md: Likewise.
10101         * config/pa/pa.c: Likewise.
10102         * config/pa/pa.md: Likewise.
10103         * config/pdp11/pdp11.h: Likewise.
10104         * config/pdp11/pdp11.md: Likewise.
10105         * config/rs6000/rs6000.c: Likewise.
10106         * config/rs6000/rs6000.md: Likewise.
10107         * config/s390/s390-protos.h: Likewise.
10108         * config/s390/s390.c: Likewise.
10109         * config/s390/s390.md: Likewise.
10110         * config/sh/lib1funcs.asm: Likewise.
10111         * config/sh/sh.c: Likewise.
10112         * config/sh/sh.md: Likewise.
10113         * config/sh/t-sh: Likewise.
10114         * config/sparc/sparc.h: Likewise.
10115         * config/vax/vax.md: Likewise.
10116         * config/xtensa/xtensa.c: Likewise.
10117         * config/xtensa/xtensa.md: Likewise.
10118         * doc/invoke.texi: Likewise.
10119         * doc/md.texi: Likewise.
10120         * doc/rtl.texi: Likewise.
10121
10122 2004-07-07  Richard Sandiford  <rsandifo@redhat.com>
10123
10124         PR target/16407
10125         * config/mips/mips-protos.h (mips_declare_common_object): Declare.
10126         * config/mips/mips.c (mips_declare_common_object): New function,
10127         mostly split out from...
10128         (mips_output_aligned_decl_common): ...here.
10129         * config/mips/mips.h (ASM_OUTPUT_LOCAL): Remove in favor of...
10130         (ASM_OUTPUT_ALIGNED_LOCAL): ...this new definition.
10131         * config/mips/iris6.h (ASM_OUTPUT_ALIGNED_LOCAL): Undefine this
10132         rather than ASM_OUTPUT_LOCAL.  Call mips_declare_common_object.
10133
10134 2004-07-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10135
10136         PR c/16392
10137         * function.c (assign_parms): Fix typo from previous change.
10138
10139 2004-07-07  Jason Merrill  <jason@redhat.com>
10140
10141         PR c++/15815
10142         * doc/extend.texi (C++ Interface): Correct information and
10143         discourage use.
10144
10145 2004-07-07  Vladimir Makarov  <vmakarov@redhat.com>
10146
10147         PR target/16130
10148         PR target/16142
10149         PR target/16143
10150         * config/ia64/ia64.c (ia64_dfa_new_cycle): Reset DFA state for asm
10151         insn.
10152
10153 2004-07-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
10154
10155         PR target/1679.
10156         * config/m32r/m32r.c (m32r_function_symbol): New function:
10157         Generate a symbol name RTX with the correct m32r specific flags
10158         set.
10159         (block_move_call): Use new function to generate correct symbol.
10160         * config/m32r/m32r-protos.h: Add prototype for new funcion.
10161         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Use the new
10162         function.
10163
10164 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
10165
10166         * tree.h (TYPE_BINFO_OFFSET, TYPE_BINFO_VTABLE,
10167         TYPE_BINFO_VIRTUALS, TYPE_BINFO_BASETYPES,
10168         TYPE_BINFO_BASETYPE): Remove.
10169         (BINFO_BASETYPES, BINFO_N_BASETYPES, BINFO_BASETYPE): Rename
10170         to ...
10171         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): ...
10172         here.
10173         (BINFO_BASEACCESSES, BINFO_BASEACCESS): Rename to ...
10174         (BINFO_BASE_ACCESSES, BINFO_BASE_ACCESS): ... here.
10175         (BINFO_INHERITANCE_CHAIN): Redocument as it is actually used.
10176         (struct tree_binfo): Rename base_types to base_binfos.
10177         * alias.c (record_component_aliases): Adjust BINFO macros.
10178         * dbxout.c (dbxout_type): Likewise.
10179         * dwarf2out.c (gen_member_die): Likewise.
10180         * sdbout.c (sdbout_one_type): Likewise.
10181         * tree-dump.c (deque_and_dump): Likewise.
10182         * config/i386/i386.c (classify_argument,
10183         contains_128bit_aligned_vector_p): Likewise.
10184
10185 2004-07-07  Nick Clifton  <nickc@redhat.com>
10186
10187         * config/fr30/fr30.c (fr30_setup_incoming_varargs): Change
10188         arguments to match TARGET_SETUP_INCOMING_VARARGS prototype.
10189
10190 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
10191
10192         * vec.h: Fix the example use.
10193
10194 2004-07-06  Richard Henderson  <rth@redhat.com>
10195
10196         * langhooks-def.h (LANG_HOOKS_GIMPLE_BEFORE_INLINING): Remove.
10197         * langhooks.h (struct lang_hooks): Remove gimple_before_inlining.
10198         * tree-inline.c (copy_body_r, setup_one_parameter,
10199         initialize_inlined_parameters, expand_call_inline,
10200         declare_inline_vars): Don't check it.
10201         (expand_calls_inline): Remove old version, rename new version
10202         from gimple_expand_calls_inline.
10203         * tree-optimize.c (execute_gimple): Remove.
10204         (pass_gimple): Don't run anything.
10205
10206 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
10207
10208         * doc/sourcebuild.texi: Use semicolons instead of commas in
10209         section title.
10210
10211 2004-07-06  Richard Henderson  <rth@redhat.com>
10212
10213         * tree-sra.c (struct sra_walk_fns): Revert 2004-07-05 change.
10214         (sra_walk_modify_expr, scan_init): Likewise.
10215         (generate_element_zero): Check visited before scanning children.
10216         (generate_element_init): Set visited on error.
10217         (scalarize_init): Handle generate_element_init failure similar
10218         to use_block_copy.
10219
10220 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
10221
10222         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Define.
10223         (warning, error, pedwarn, sorry): Use ATTRIBUTE_GCC_FE_DIAG.
10224
10225 2004-07-06  Richard Henderson  <rth@redhat.com>
10226
10227         * config/i386/i386.c (legitimize_pic_address): Make static.
10228         (legitimize_address): Handle CONST with TLS operand.
10229         (ix86_expand_move): Don't call legitimize_pic_address directly.
10230         * config/i386/i386-protos.h (legitimize_pic_address): Remove.
10231
10232 2004-07-06  Roger Sayle  <roger@eyesopen.com>
10233
10234         * ifcvt.c (struct noce_if_info): Add a Boolean b_unconditional field.
10235         (noce_try_sign_mask): Tweak rtx_cost check if t is evaluated anyway.
10236         (noce_process_if_block): Initialize if_info.b_unconditional if insn_b
10237         is currently executed unconditionally, i.e. not in "else_bb".
10238
10239 2004-07-06  Steven Bosscher  <stevenb@suse.de>
10240
10241         * config/alpha/alpha.c (alpha_use_dfa_pipeline_interface): Remove.
10242         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
10243         * config/arm/arm.c (arm_use_dfa_pipeline_interface): Remove.
10244         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
10245         * config/frv/frv.c (frv_use_dfa_pipeline_interface): Remove.
10246         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
10247         * config/i386/i386.c (ia32_use_dfa_pipeline_interface): Remove.
10248         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
10249         * config/ia64/ia64.c (ia64_use_dfa_pipeline_interface): Remove.
10250         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
10251         * config/pa/pa.c (hhpa_use_dfa_pipeline_interface): Remove.
10252         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
10253         * config/sparc/sparc.c (sparc_use_dfa_pipeline_interface): Remove.
10254         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
10255         * config/v850/v850.c (v850_use_dfa_pipeline_interface): Remove.
10256         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
10257
10258 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
10259
10260         * dojump.c (do_jump): REFERENCE_EXPR is dead.
10261         * expr.c (expand_expr_real_1): Ditto.
10262         * tree-inline.c (estimate_num_insns_1): Ditto.
10263         * tree-pretty-print.c (dump_generic_node): Ditto.
10264         (op_symbol): Ditto.
10265         * tree.def: Ditto.
10266
10267 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
10268
10269         * tree-ssa-pre.c (reference_node_pool): New pool.
10270         (find_or_generate_expression): Class 'r' is okay too.
10271         (create_value_expr_from): Ditto.
10272         (add_to_sets): LHS should not include vuses.
10273         (eliminate): Ditto.
10274         (compute_avail): Reverse ordering of tests.
10275         Valuize INDIRECT_REF as well.
10276
10277 2004-07-06  Richard Sandiford  <rsandifo@redhat.com>
10278
10279         PR rtl-optimization/16380
10280         * loop.c (check_dbra_loop): Sink comparison instructions if they
10281         do something other than set cc0.
10282
10283 2004-07-06  James E Wilson  <wilson@specifixinc.com>
10284
10285         * doc/interface.texi (longjmp and automatic variables): Delete
10286         paragraph recommending taking the address of a variable.
10287
10288 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
10289
10290         * vec.h (VEC_embedded_alloc): Remove.
10291         (VEC_embedded_size, VEC_embedded_init): New.
10292         (VEC_alloc, VEC_reserve, VEC_safe_push, VEC_safe_insert): Add
10293         MEM_STAT_INFO.
10294         (VEC_truncate): New.
10295         (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL.
10296         (vec_embedded_alloc): Remove.
10297         * vec.c (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL, adjust.
10298         (vec_embedded_alloc): Remove.
10299
10300 2004-07-06  Mark Mitchell  <mark@codesourcery.com>
10301
10302         * Makefile.in (langhooks.o): Do not depend on gt-langhooks.h.
10303         (gt-langhooks.h): Remove.
10304
10305 2004-07-06  George Helffrich <george@gly.bris.ac.uk>
10306
10307         * xcoffout.h (DBX_FINISH_SYMBOL): Fix typo.
10308
10309 2004-07-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
10310
10311         * config/sparc/sparc.c (get_pc_symbol): Rename into
10312         add_pc_to_pic_symbol.
10313         (get_pc_symbol_name): Rename into add_pc_to_pic_symbol_name.
10314         (load_pic_register): Account for previous changes.
10315         Use reg_names.  Don't create the label twice.
10316         * config/sparc/sparc.md (UNSPEC_GET_PC): Rename into
10317         UNSPEC_LOAD_PCREL_SYM.
10318         (get_pc): Rename into load_pcrel_sym.  Add predicate to
10319         operands.  Remove condition.
10320
10321 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
10322
10323         * dbxout.c (dbxout_type): Don't test whether the binfo slot of
10324         RECORD, UNION & QUAL_UNION is actually a binfo.
10325
10326         * tree.h (TREE_VIA_VIRTUAL): Rename to ...
10327         (BINFO_VIRTUAL_P): ... here. Require TREE_BINFO only.
10328         (BINFO_MARKED, BINFO_FLAG_[16]): New binfo flags.
10329         * dbxout.c (dbxout_type): Use BINFO_VIRTUAL_P.
10330         * dwarf2out.c (add_data_member_location_attribute): Likewise.
10331         (gen_inheritance_die): Likewise.
10332         * tree-dump.c (deque_and_dump): Likewise.
10333         * doc/c-tree.texi (Binfos): Add under reconstruction note.
10334
10335 2004-07-06  Steven Bosscher  <stevenb@suse.de>
10336
10337         * config/mcore/mcore.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
10338         Define.
10339         * config/mcore/mcore.md: Model memory latency with a simple DFA
10340         pipeline description instead of a define_function_unit.
10341
10342 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10343
10344         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
10345         * langhooks.h (var_mod_type_p): Likewise.
10346         * c-decl.c (finish_decl): Add extra arg to variably_modified_type_p.
10347         * expr.c (count_type_elements): Properly handle return from
10348         array_type_nelts and properly test for overflow.
10349         * gimplify.c (gimplify_init_constructor): Properly handle return
10350         from array_type_nelts.
10351         (gimplify_addr_expr): Remove redundant clear of TREE_SIDE_EFFECTS.
10352         * integrate.c (copy_decl_for_inlining): Correct comments.
10353         * tree-inline.c (remap_decl): Update comments, remove dead code,
10354         and copy DECL_FIELD_OFFSET and DECL_QUALIFIER, if they exist.
10355         (remap_type): Only remap if variably modified by vars in function
10356         being inlined.
10357         (copy_body_r): Use compatible_type langhooks to see when can fold.
10358         (setup_one_parameter): Don't remap type.
10359         (inline_forbidden_p_1): Add arg to variably_modified_type_p.
10360         * tree.c (recompute_tree_invarant_for_addr_expr): Properly
10361         compute TREE_INVARIANT for decl case.
10362         (find_var_from_fn): New function.
10363         (variably_modified_type_p): Add arg and call new function.
10364         * tree.h (variably_modified_type_p): Add extra arg.
10365
10366 2004-07-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
10367
10368         * config/sparc/sparc.md (nonlocal_goto): Remove disabled code.
10369         (goto_handler_and_restore_v9): Delete disabled insn.
10370         (goto_handler_and_restore_v9_sp64): Likewise.
10371
10372 2004-07-05  Roger Sayle  <roger@eyesopen.com>
10373
10374         * calls.c (load_register_parameters): Call expand_shift instead
10375         of expand_binop with ashl_optab (or other shift optab) directly.
10376         * expr.c (emit_group_load, emit_group_store): Likewise.
10377         * function.c (assign_parm_setup_block): Likewise.
10378         * stmt.c (shift_return_value): Likewise.
10379
10380 2004-07-05  Jakub Jelinek  <jakub@redhat.com>
10381
10382         * expr.c (expand_assignment): Disable the bitfield += optimizations.
10383
10384 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
10385
10386         * doc/sourcebuild.texi: Revert previous patch.
10387
10388 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
10389
10390         * c-decl.c, config/m32r/m32r.c, expr.c, optabs.c: Don't check
10391         TARGET_MEM_FUNCTIONS.
10392         * system.h: Poison TARGET_MEM_FUNCTIONS.
10393         * libfuncs.h (LTI_bcopy, LTI_bcmp, LTI_bzero, bcopy_libfunc,
10394         bcmp_libfunc, bzero_libfunc): Remove.
10395         * optabs.c (init_obtabs): Don't set bcopy_libfunc, bcmp_libfunc or
10396         bzero_libfunc.
10397         * doc/tm.texi (TARGET_MEM_FUNCTIONS): Remove.
10398         * doc/standards.texi: Don't mention calling BSD string functions.
10399         * doc/invoke.texi: Likewise.  Mention that memmove may be called.
10400         * config/vax/t-memfuncs: New.
10401         * config/memcmp.c, config/memcpy.c, config/memmove.c,
10402         config/memset.c: New.
10403         * config/pdp11/t-pdp11 (LIB2FUNCS_EXTRA): Use these files.
10404         * config.gcc (vax-*-bsd*, vax-*-sysv*, vax-*-ultrix*): Use
10405         vax/t-memfuncs.
10406         * config/alpha/alpha.h, config/arc/arc.h, config/arm/arm.h,
10407         config/avr/avr.h, config/c4x/c4x.h, config/cris/aout.h,
10408         config/elfos.h, config/gnu.h, config/h8300/h8300.h,
10409         config/i386/gas.h, config/ia64/ia64.h, config/interix.h,
10410         config/ip2k/ip2k.h, config/lynx-ng.h, config/m32r/m32r.h,
10411         config/mcore/mcore.h, config/mips/mips.h, config/mmix/mmix.h,
10412         config/netbsd.h, config/openbsd.h, config/pa/pa.h,
10413         config/rs6000/rs6000.h, config/rtems.h, config/s390/s390.h,
10414         config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
10415         config/svr3.h: Don't define TARGET_MEM_FUNCTIONS.
10416
10417 2004-07-05  Richard Henderson  <rth@redhat.com>
10418
10419         * function.c (assign_parm_setup_reg): Properly rename variables in
10420         FUNCTION_ARG_CALLEE_COPIES section.
10421
10422 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
10423
10424         * tree-mudflap.c: Include cgraph.h.
10425         (mf_init_extern_trees): Rename to mudflap_init.  Export.
10426         Rewrite to create synthetic declarations instead of looking
10427         up declarations from mf-runtime.h.
10428         (mf_make_builtin, mf_make_cache_struct_type): New functions.
10429         (mf_cache_shift_decl, mf_cache_mask_decl, mf_unregister_fndecl):
10430         Correct commentary.
10431         (execute_mudflap_function_decls, mudflap_register_call):
10432         Don't call mf_init_extern_trees.
10433         (mudflap_finish_file): Use cgraph_build_static_cdtor.
10434
10435         * tree-mudflap.h: Update prototypes.
10436         * c-mudflap.c: Delete file.
10437         * c-common.c: Include tree-mudflap.h.
10438         (c_common_nodes_and_builtins): Call mudflap_init if appropriate.
10439         * Makefile.in: Remove all references to c-mudflap.o.
10440         Update dependencies.
10441
10442 2004-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10443
10444         * pa.md (prefetch, prefetch_32, prefetch_64): Only allow short
10445         displacements with the spatial-locality cache-control completer.
10446
10447 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
10448
10449         * langhooks.c: Don't include gt-langhooks.h.
10450         (var_labelno): Delete.
10451         (lhd_set_decl_assembler_name): Do not append a distinguishing
10452         number to file-scope internal-linkage declarations for the first
10453         input file, even if they have DECL_CONTEXT set.  Use DECL_UID of
10454         the declaration itself (if at block scope), or its containing
10455         TRANSLATION_UNIT_DECL (if at file scope) for the distinguishing
10456         number.
10457
10458         * opts.c (cur_in_fname): New global.
10459         * opts.h: Declare it.
10460         * tree.c: Include opts.h.
10461         (make_node_stat): If creating a TRANSLATION_UNIT_DECL, give it
10462         DECL_UID equal to cur_in_fname.
10463         (copy_node_stat): Do not change DECL_UID when copying a
10464         TRANSLATION_UNIT_DECL.
10465         (build_common_tree_nodes): Adjust next_decl_uid to reserve the
10466         range 0 .. num_in_fnames-1 for TRANSLATION_UNIT_DECLs.
10467
10468         * c-decl.c (c_static_assembler_name): Delete.
10469         * c-tree.h (c_static_assembler_name): Delete prototype.
10470         * c-lang.c, objc/objc-lang.c: Don't override
10471         LANG_HOOKS_SET_DECL_ASSEMBLER_NAME.
10472
10473         * Makefile.in (tree.o): Update dependencies.
10474         (GTFILES): Remove langhooks.c.
10475
10476 2004-07-05  Roger Sayle  <roger@eyesopen.com>
10477
10478         * fold-const.c (fold) <TRUNC_MOD_EXPR>: Optimize unsigned modulus
10479         by a power of two into a bit-wise AND, i.e. "X % C" as "X & (C-1)".
10480         Normalize "X % C" as "X % -C" for signed modulus and negative C.
10481         Optimize "X % -Y" as "X % Y" for signed modulus.
10482         <EQ_EXPR>: Recursively call "fold" when transforming "(X % Y) == 0"
10483         into "((unsigned) X % Y) == 0".
10484
10485 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
10486
10487         * sourcebuild.texi (Config Fragments): Use @comma{} in
10488         cross-reference to section title.
10489
10490 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10491
10492         * tree.h (DECL_SEEN_IN_BIND_EXPR_P): New macro.
10493         * gimplify.c (gimple_add_tmp_var, gimplify_bind_expr): Use it.
10494         (gimplify_target_expr, gimplify_expr): Likewise.
10495         (copy_if_shared_r): No longer need special case for BIND_EXPR.
10496         (unshare_body, unvisit_body): Only look at nested if BODY_P is
10497         whole function.
10498         (gimplify_compound_lval): See if we can strip any useless conversion.
10499         (gimplify_modify_expr, gimplify_modify_expr_to_memcpy): Take size
10500         from RHS, not LHS.
10501         (gimplify_modify_expr_to_memset): Likewise.
10502         (gimplify_expr, case CONSTRUCTOR): Handle use as statement.
10503         * tree-inline.c (setup_one_parameter): Use DECL_SEEN_IN_BIND_EXPR_P.
10504         (declare_inline_vars): Likewise.
10505         (walk_type_fields): New function.
10506         (walk_tree): Use it.
10507         * tree-nested.c (create_tmp_var_for): Show seen in BIND_EXPR.
10508
10509         * tree-sra.c (struct sra_walk_fns): Init function now returns bool.
10510         (sra_walk_modify_expr): Allow init function to fail.
10511         (scan_init): Now returns bool.
10512         (generate_element_init): If can't understand INIT, return false.
10513         (scalarize_init): Return false if generate_element_init does.
10514
10515         * tree-pretty-print.c (dump_generic_node, case ARRAY_TYPE): Properly
10516         print bounds.
10517
10518         * expr.c (expand_expr_real_1, case SWITCH_EXPR): Don't check against
10519         bounds if bounds aren't constant.
10520
10521         * tree-cfg.c (verify_expr): Use CHECK_OP in binary case.
10522
10523         * function.c, langhooks-def.h, langhooks.h: Move max_size hook
10524         to type hooks; remove bogus PARAMS.
10525
10526 2004-07-05  Nathan Sidwell  <nathan@codesourcery.com>
10527
10528         * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Use TYPE_LANG_SLOT_1.
10529         * dwarf2out.c (add_data_member_location_attribute): Check for
10530         TREE_BINFO.
10531         * tree.c (tree_node_kinds): Add "binfos".
10532         (binfo_lang_slots): New.
10533         (make_node_stat): Add TREE_BINFO.
10534         (make_tree_binfo_stat): New.
10535         (tree_node_structure): Add TREE_BINFO.
10536         * tree.def (TREE_BINFO): New.
10537         * tree.h (REC_OR_UNION_CHECK): Rename to ...
10538         (RECORD_OR_UNION_CHECK): ... here.
10539         (NOT_RECORD_OR_UNION_CHECK): New.
10540         (TRE_VIA_VIRTUAL): Allow TREE_LIST or TREE_BINFO.
10541         (TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD): Adjust for
10542         RECORD_OR_UNION_CHECK.
10543         (TYPE_BINFO): Use RECORD_OR_UNION_CHECK.
10544         (TYPE_LANG_SLOT_1): New.
10545         (BINFO_TYPE, BINFO_OFFSET, BINFO_VTABLE, BINFO_VIRTUALS,
10546         BINFO_BASETYPES, TYPE_BINFO_BASETYPES, BINFO_VPTR_FIELD,
10547         BINFO_BASEACCESSES, BINFO_INHERITANCE_CHAIN): Adjust.
10548         (BINFO_ELTS): Remove.
10549         (BINFO_LANG_SLOT): New.
10550         (struct tree_binfo): New.
10551         (binfo_lang_slots): Declare.
10552         (enum tree_node_structure_enum): Add TS_BINFO.
10553         (union tree_node): Add binfo.
10554         (make_tree_binfo_stat): Declare.
10555         (make_tree_binfo): New.
10556         (enum tree_node_kind): Add binfo_kind.
10557
10558         * objc/objc-act.c (start_class, objc_declare_protocols,
10559         start_protocols): Use TYPE_LANG_SLOT_1.
10560         * objc/objc-act.h (CLASS_BINFO_ELTS, PROTOCOL_BINFO_ELTS): Rename
10561         to ...
10562         (CLASS_LANG_SLOT_ELTS, PROTOCOL_LANG_SLOT_ELTS): ... here.
10563         (CLASS_IVARS, CLASS_RAW_IVARS, CLASS_STATIC_TEMPLATE,
10564         CLASS_CATEGORY_LIST, CLASS_PROTOCOL_LIST, CLASS_OWN_IVARS,
10565         PROTOCOL_LIST, PROTOCOL_FORWARD_DECL): Use TYPE_LANG_SLOT_1.
10566
10567 2004-07-05  Steven Bosscher  <stevenb@suse.de>
10568
10569         * rtl.h (struct rtx_def): Remove the integrated flag.
10570         Use the return_val flag for MEM_SCALAR_P.
10571         Reshuffle and update flags in CLEAR_RTX_FLAGS.
10572
10573 2004-07-05  Richard Sandiford  <rsandifo@redhat.com>
10574
10575         PR target/16357
10576         * config/mips/mips.c (mips_block_move_straight): Pass BLKmode memrefs
10577         to mips_expand_unaligned_load, mips_expand_unaligned_store, and
10578         move_by_pieces.
10579
10580 2004-07-05  Josef Zlomek  <zlomekj@suse.cz>
10581
10582         * var-tracking.c: Fix some comments.
10583         (frame_stack_adjust): New.
10584         (vt_stack_adjustments): Init stack_adjust of entry block to
10585         minus stack adjustment of function prologue.
10586         (adjust_stack_reference): Do not adjust if adjustment == 0.
10587         (compute_bb_dataflow): Use plus_constant instead of gen_rtx_PLUS.
10588         (emit_notes_in_bb): Likewise.
10589         (vt_add_function_parameters): Do not adjust locations of
10590         function arguments.
10591         (vt_initialize): Compute the stack adjustment of function
10592         prologue and offset the initial "location" of frame_base_decl
10593         from the stack pointer after prologue.
10594
10595 2004-07-04  Richard Henderson  <rth@redhat.com>
10596
10597         * function.c (struct assign_parm_data_all): New.
10598         (struct assign_parm_data_one): New.
10599         (assign_parms_initialize_all, assign_parms_augmented_arg_list,
10600         assign_parm_find_data_types, assign_parms_setup_varargs,
10601         assign_parm_find_entry_rtl, assign_parm_is_stack_parm,
10602         assign_parm_find_stack_rtl, assign_parm_adjust_entry_rtl,
10603         assign_parm_adjust_stack_rtl, assign_parm_setup_block_p,
10604         assign_parm_setup_block, assign_parm_setup_reg,
10605         assign_parm_setup_stack, assign_parms_unsplit_complex): Split from ...
10606         (assign_parms): ... here.
10607
10608 2004-07-04  Daniel Berlin  <dberlin@dberlin.org>
10609
10610         * tree-ssa-pre.c (bb_value_sets): phi_gen, tmp_gen, new_sets
10611         now are bitmap_set_t's.
10612         (bitmap_insert_into_set): No point in inserting the value if
10613         it's invariant.
10614         (bitmap_set_contains): New function.
10615         (bitmap_set_replace_value): Add comment on why we do it
10616         this way.
10617         (set_contains): Removed.
10618         (bitmap_set_subtract_from_value_set): New name of
10619         set_subtract now that it's arguments are two different
10620         types of sets.
10621         Update callers.
10622         (bitmap_find_leader): Change algorithm used.
10623         (find_or_generate_expression): Update use of functions for new
10624         bitmap sets.
10625         (create_expression_by_pieces): Ditto.
10626         (insert_aux): Ditto.
10627         (insert): Ditto.
10628         (add_to_sets): Ditto.
10629         (init_pre): Ditto.
10630         (execute_pre): Ditto.
10631         (compute_avail): Ditto.
10632         Also ignore virtual phis.
10633
10634 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
10635
10636         * combine.c (simplify_comparison): Fix comment typo.
10637
10638 2004-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
10639
10640         * config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): Rename
10641         into LEAF_SIBCALL_SLOT_RESERVED_P after negation.
10642         (eligible_for_sibcall_delay): Adjust use of SIBCALL_SLOT_EMPTY_P.
10643         (output_restore): Change parameter from 'insn' to 'pat'.
10644         (output_return): Adjust call to output_restore.
10645         (output_sibcall): Adjust use of SIBCALL_SLOT_EMPTY_P.
10646         Adjust call to output_restore.
10647
10648 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
10649
10650         * config/netbsd.h (NETBSD_OS_CPP_BUILTINS_COMMON): Define __unix__
10651         and assert system is bsd.
10652
10653 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
10654
10655         * config/mips/mips.h (MASK_DEBUG_C, TARGET_DEBUG_C_MODE): Delete.
10656         (TARGET_SWITCHES): Remove -mdebugc.
10657         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
10658         (sltu, sleu): Remove TARGET_DEBUG_C_MODE handling.
10659         (seq_[sd]i, sne_[sd]i, sge_[sd]i, sle_[sd]i_reg, sgeu_[sd]i)
10660         (sle_[sd]i_reg): Delete.
10661
10662 2004-07-04  Steven Bosscher  <stevenb@suse.de>
10663
10664         * config/iq2000/iq2000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
10665         Define.
10666         * config/iq2000/iq2000.md: Translate old pipeline description to an
10667         equivalent new one.
10668
10669 2004-07-04  Roger Sayle  <roger@eyesopen.com>
10670
10671         * tree-ssa-ccp.c (set_rhs): Change function to return a bool.
10672         Ensure the replacement rhs is valid gimple before performing
10673         the substitution.  Return false if these sanity checks fail.
10674         (fold_stmt): Only set changed to true, if set_rhs returns true.
10675         (execute_fold_all_builtins): Only call modify_stmt if set_rhs
10676         succeeds.
10677
10678 2004-07-04  Richard Henderson  <rth@redhat.com>
10679
10680         PR c/16348
10681         * c-typeck.c (c_finish_loop): Don't clear cond for cond_is_first loops.
10682
10683 2004-07-04  Mark Mitchell  <mark@codesourcery.com>
10684
10685         * configure.ac (ranlib_flags): New variable.
10686         * Makefile.in (RANLIB_FLAGS): New variable.
10687         (libbackend.a): Use it.
10688         * configure: Regenerated.
10689
10690 2004-07-04  Roger Sayle  <roger@eyesopen.com>
10691
10692         * ifcvt.c (noce_try_sign_mask): Call emit_store_flag to generate
10693         a "sign mask" instead of using ashr_optab directly.
10694
10695 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
10696
10697         * doc/cpp.texi: Don't document what we do for ill-formed expressions.
10698         * doc/cppopts.texi: Clarify processing of command-line defines.
10699
10700 2004-07-04  Gerald Pfeifer  <gerald@pfeifer.com>
10701
10702         * doc/contrib.texi (Contributors): Adjust link for GNU Classpath.
10703
10704 2004-07-04  Richard Henderson  <rth@redhat.com>
10705
10706         * rtl.def (ADDRESSOF): Remove.
10707         * alias.c (rtx_equal_for_memref_p): Don't handle addressof.
10708         (find_base_term, memrefs_conflict_p): Likewise.
10709         * cse.c (fixed_base_plus_p, find_best_addr: Likewise.
10710         (fold_rtx, cse_insn, set_live_p): Likewise.
10711         * dwarf2out.c (mem_loc_descriptor): Likewise.
10712         (add_location_or_const_value_attribute): Likewise.
10713         * emit-rtl.c (copy_insn_1): Likewise.
10714         * explow.c (memory_address): Likewise.
10715         * expmed.c (store_split_bit_field): Likewise.
10716         * expr.c (expand_expr_real_1): Likewise.
10717         * function.c (instantiate_decl
10718         (instantiate_virtual_regs_1, fix_lexical_addr): Likewise.
10719         * genrecog.c (preds, validate_pattern): Likewise.
10720         * integrate.c (copy_rtx_and_substitute): Likewise.
10721         * recog.c (general_operand, register_operand): Likewise.
10722         (memory_address_p): Likwise.
10723         * reload1.c (eliminate_regs, elimination_effects): Likewise.
10724         * rtl.c (copy_rtx): Likewise.
10725         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
10726         (rtx_addr_can_trap_p, nonzero_address_p, address_cost): Likewise.
10727         * rtlhooks.c (gen_lowpart_general): Likewise.
10728         * stmt.c (expand_asm_operands): Likewise.
10729         * web.c (entry_register, replace_ref, web_main): Likewise.
10730         * config/alpha/alpha.c (input_operand, alpha_legitimate_address_p,
10731         alpha_expand_block_move, alpha_expand_block_clear): Likewise.
10732         * config/arm/arm.c (thumb_rtx_costs): Likewise.
10733         * config/c4x/c4x.c (c4x_valid_operands): Likewise.
10734         * config/frv/frv.c (move_destination_operand, move_source_operand,
10735         condexec_dest_operand, condexec_source_operand,
10736         condexec_memory_operand): Likewise.
10737         * config/h8300/h8300.h (PREDICATE_CODES): Likewise.
10738         * config/ia64/ia64.c (general_xfmode_operand): Likewise.
10739         (destination_xfmode_operand): Likewise.
10740         * config/mips/mips.h (PREDICATE_CODES): Likewise.
10741         * config/mn10300/mn10300.c (mn10300_address_cost_1): Likewise.
10742         * config/s390/s390.c (general_s_operand): Likewise.
10743         * config/s390/s390.md (mov*): Likewise.
10744         * config/sparc/sparc.h (PREDICATE_CODES): Likewise.
10745
10746         * c-typeck.c (c_mark_addressable): Don't put_var_into_stack.
10747         * expr.c (expand_expr_real_1): Likewise.
10748         * stmt.c (expand_decl): Likewise.
10749         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
10750
10751         * function.c (struct fixup_replacement, struct insns_for_mem_entry,
10752         postponed_insns, put_var_into_stack, put_reg_into_stack,
10753         schedule_fixup_var_refs, fixup_var_refs, find_fixup_replacement,
10754         fixup_var_refs_insns, fixup_var_refs_insns_with_hash,
10755         fixup_var_refs_insn, fixup_var_refs_1, fixup_memory_subreg,
10756         walk_fixup_memory_subreg, fixup_stack_1, optimize_bit_field,
10757         gen_mem_addressof, flush_addressof, put_addressof_into_stack,
10758         purge_bitfield_addressof_replacements, purge_addressof_replacements,
10759         purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
10760         struct insns_for_mem_walk_info, insns_for_mem_walk,
10761         compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
10762         setjmp_protect_args): Remove.
10763         (push_function_context_to): Don't handle var_refs_queue.
10764         (pop_function_context_from, free_after_compilation): Likewise.
10765         (instantiate_virtual_regs): Don't handle parm_reg_stack_loc.
10766         (assign_parms, allocate_struct_function): Likewise.
10767         (use_register_for_decl): New.
10768         (expand_function_end): Don't setjmp_protect.
10769         * function.h (struct emit_status): Update commentary.
10770         (struct function): Remove x_max_parm_reg, x_parm_reg_stack_loc.
10771         (max_parm_reg, parm_reg_stack_loc): Remove.
10772         * passes.c (DFI_addressof): Remove.
10773         (dump_file_info): Remove addressof.
10774         (rest_of_handle_addressof): Remove.
10775         (rest_of_compilation): Don't call it.
10776         * rtl.h (ADDRESSOF_REGNO, ADDRESSOF_DECL): Remove.
10777         * stmt.c (expand_decl): Use use_register_for_decl.
10778         * tree.h: Update decls.
10779         * web.c (mark_addressof): Remove.
10780         * doc/invoke.texi (-dF): Remove.
10781
10782 2004-07-03  Richard Henderson  <rth@redhat.com>
10783
10784         * config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
10785         instead of gen_mem_addressof.
10786         * config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
10787         TImode output register.
10788
10789 2004-07-03  Richard Henderson  <rth@redhat.com>
10790
10791         PR tree-optimization/16341
10792         * tree-sra.c (sra_walk_function): Increment to next stmt before
10793         processing the current stmt.
10794         (sra_insert_after): Always use BSI_SAME_STMT.
10795
10796 2004-07-03  Richard Henderson  <rth@redhat.com>
10797
10798         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Don't fold
10799         fp plus with minus.
10800
10801 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
10802
10803         * tree.c (type_hash_eq): Allow TYPE_MIN_VALUE which compares equal
10804         with tree_int_cst_equal.
10805
10806 2004-07-03  Andreas Schwab  <schwab@suse.de>
10807
10808         * config/ia64/ia64.md: Define new attribute "empty".
10809         (prologue_use, nop_x, insn_group_barrier): Set it.
10810
10811         * config/ia64/ia64.c (ia64_reorg): When looking for trailing call
10812         skip over "empty" insns.
10813
10814 2004-07-03  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10815
10816         * tree-inline.c (initialize_inlined_parameters): Pass proper function
10817         context to gimplify_body.
10818         (walk_tree): Don't walk into types twice.
10819         (walk_tree, case POINTER_TYPE): Deal with mutually recursive pointers.
10820
10821         * tree-sra.c (generate_element_init): Remove any useless conversions.
10822
10823         * gimplify.c (gimplify_conversion): Remove stripping useless
10824         conversions from here.
10825         (gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.
10826         (gimplify_modify_expr_to_memcpy, gimplify_variable_sized_compare):
10827         Unshare before substituting PLACEHOLDER_EXPR.
10828         (gimplify_modify_expr_to_memset): Likewise.
10829         Pass address of TO to memset, not TO itself.
10830         (gimplify_init_constructor): Make copy of OBJECT so we have it each
10831         time we make an expression (to match a PLACEHOLDER_EXPR).
10832
10833         * tree-ssa.c (tree_ssa_useless_type_conversion): Also look at
10834         VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
10835         * tree-ssa-ccp.c (fold_stmt): Call just STRIP_USELESS_TYPE_CONVERSION.
10836         * tree-ssa-dom.c (local_fold): Likewise.
10837
10838         * langhooks-def.h (LANG_HOOKS_TYPE_MAX_SIZE): New langhook.
10839         * langhooks.h (strct lang_hooks): New field type_max_size.
10840         * function.c (assign_temp): Call it.
10841
10842 2004-07-03  Steven Bosscher  <stevenb@suse.de>
10843
10844         * config/sh/sh.c (sh_use_dfa_interface): Add TARGET_SH1.
10845         * config/sh/sh.md: Convert the SH1 pipeline description to
10846         a DFA model.
10847
10848 2004-07-02  Zack Weinberg  <zack@codesourcery.com>
10849
10850         * c-decl.c (struct c_binding): Remove contour field; add
10851         depth, invisible, nested fields.
10852         (B_IN_SCOPE, B_IN_CURRENT_SCOPE, B_IN_FILE_SCOPE)
10853         (B_IN_EXTERNAL_SCOPE): New convenience macros.
10854         (bind): Add invisible and nested arguments. Initialize
10855         new fields of struct c_binding; adjust loop scanning for
10856         insertion point.
10857         (free_binding_and_advance): Clear structure with memset.
10858         (pop_scope): Adjust to match.  Set DECL_CONTEXT on everything
10859         in file scope, even if it's in external scope too.
10860         (pushdecl): Adjust to match.  Create invisible file-scope
10861         declarations for block-scope forward declarations of static functions.
10862         (pushtag, warn_if_shadowing, pushdecl_top_level, implicitly_declare)
10863         (undeclared_variable, lookup_label, declare_label, define_label)
10864         (lookup_tag, lookup_name, lookup_name_in_scope, builtin_function)
10865         (c_make_fname_decl, store_parm_decls_newstyle, identifier_global_value)
10866         (store_parm_decls_oldstyle): Adjust to match.
10867         (diagnose_mismatched_decls): Correct handling of linkage clashes.
10868         (merge_decls): No need to copy C_DECL_IN_EXTERNAL_SCOPE.
10869
10870         * c-tree.h (C_DECL_IN_EXTERNAL_SCOPE): Delete.
10871         (C_DECL_DECLARED_BUILTIN, C_DECL_REGISTER): Slide down one.
10872
10873 2004-07-02  Richard Henderson  <rth@redhat.com>
10874
10875         * c-decl.c (grokdeclarator): Don't frob current_function_decl
10876         around variable_size.
10877         (set_decl_nonlocal): Remove.
10878         (store_parm_decls): Add stmts for pending sizes.
10879         * calls.c (calls_function, calls_function_1): Remove.
10880         (precompute_arguments): Don't call it.
10881         * cfgexpand.c (set_save_expr_context): Remove.
10882         (tree_expand_cfg): Don't call it.
10883         * dwarf2out.c (add_bound_info): Don't handle SAVE_EXPR.
10884         (dwarf2out_finish): Likewise.
10885         * expr.c (emit_block_move): Adjust addresses to BLKmode.
10886         (store_constructor): Don't pre-evaluate SAVE_EXPR.
10887         (safe_from_p): Don't queue SAVE_EXPRs.
10888         (expand_expr_real_1 <case SAVE_EXPR>): Rewrite to expect,
10889         or build plain VAR_DECLs.
10890         * fold-const.c (twoval_comparison_p): Don't look at SAVE_EXPR_RTL.
10891         (fold): Likewise.
10892         (fold_checksum_tree): Don't special-case SAVE_EXPR.
10893         * function.c (free_after_compilation): Don't clear x_save_expr_regs.
10894         (put_var_into_stack): Don't handle SAVE_EXPR.
10895         (gen_mem_addressof): Likewise.
10896         * function.h (struct function): Remove x_save_expr_regs.
10897         (save_expr_regs): Remove.
10898         * gengtype.c (adjust_field_tree_exp): Don't special-case SAVE_EXPR.
10899         * print-tree.c (print_node): Don't dump SAVE_EXPR_NOPLACEHOLDER.
10900         * stor-layout.c (variable_size): Don't set it.
10901         (force_type_save_exprs, force_type_save_exprs_1): Remove.
10902         * tree-inline.c (remap_save_expr): Remove fn argument.  Update
10903         all callers.  Don't set SAVE_EXPR_CONTEXT.
10904         * tree-inline.h (remap_save_expr): Update decl.
10905         * tree.c (save_expr): Update build size.
10906         (first_rtl_op): Don't handle SAVE_EXPR.
10907         (unsave_expr_1, contains_placeholder_p): Likewise.
10908         (decl_function_context): Likewise.
10909         * tree.def (SAVE_EXPR): Remove args 1 and 2.
10910         * tree.h (SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL): Remove.
10911         (SAVE_EXPR_NOPLACEHOLDER, SAVE_EXPR_PERSISTENT_P): Remove.
10912
10913 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
10914
10915         * doc/bugreport.texi, doc/configterms.texi, doc/contrib.texi,
10916         doc/contribute.texi, doc/cpp.texi, doc/cppinternals.texi,
10917         doc/extend.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
10918         doc/portability.texi, doc/tree-ssa.texi, doc/trouble.texi: Avoid
10919         some first-person references and patronizing comments.  Based on
10920         printed manual.
10921         * doc/invoke.texi: Don't reference fortran@gnu.org.
10922         * doc/trouble.texi (Warning when a non-void function value is
10923         ignored): Rewrite.  From Russ Allbery and Chris Devers.
10924
10925 2004-07-02  Daniel Berlin  <dberlin@dberlin.org)
10926
10927         * tree-ssa-pre.c (bitmap_set_t): New.
10928         (bb_value_sets): avail_out is now a bitmap_set_t.
10929         (bitmap_find_leader): New function.
10930         (bitmap_value_insert_into_set): Ditto.
10931         (bitmap_set_copy): Ditto.
10932         (bitmap_value_replace_in_set): Ditto.
10933         (bitmap_set_contains_value): Ditto.
10934         (bitmap_set_new): Ditto.
10935         (bitmap_set_pool): New pool.
10936         (find_or_generate_expression): Use bitmap_ functions on AVAIL sets.
10937         (insert_aux): Ditto.
10938         (add_to_sets): Ditto.
10939         (compute_avail): Ditto
10940         (eliminate): Ditto.
10941         (init_pre): Ditto.
10942         (fini_pre): Ditto.
10943         (execute_pre): Ditto.
10944
10945 2004-07-02  Roger Sayle  <roger@eyesopen.com>
10946
10947         * config/rs6000/rs6000.c (struct processor_costs): New structure
10948         used to hold instruction latencies/sizes for processor types.
10949         (rs6000_cost): New global variable pointing to current CPU's costs.
10950         (rs6000_override_options): Initialize rs6000_cost to point to the
10951         appropriate cost table based upon rs6000_cpu and optimize_size.
10952         (rs6000_rtx_costs): Use rs6000_cost to avoid hardcoding processor
10953         timings inline.
10954
10955 2004-07-02  Richard Henderson  <rth@redhat.com>
10956
10957         * expmed.c (make_tree): Don't use SET_DECL_RTL.
10958
10959 2004-07-02  Steven Bosscher  <stevenb@suse.de>
10960
10961         * tree-flow.h (bb_ann_d): Remove ephi_nodes field.
10962
10963 2004-07-01  Richard Henderson  <rth@redhat.com>
10964
10965         * config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
10966         (alpha_gp_save_rtx): Use assign_stack_local instead of
10967         gen_mem_addressof.
10968
10969 2004-07-01  Richard Henderson  <rth@redhat.com>
10970
10971         * config/alpha/alpha.c (struct alpha_rtx_cost_data): Add int_div.
10972         (alpha_rtx_cost_data): Update to match.
10973         (alpha_rtx_cost_size): New.
10974         (alpha_rtx_costs): Honor optimize_size.
10975
10976 2004-07-01  Richard Henderson  <rth@redhat.com>
10977
10978         * gimple-low.c (lower_function_body): Don't reset_block_changes here.
10979         * cfgexpand.c (tree_expand_cfg): Do it here.
10980         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): And here.
10981         * config/ia64/ia64.c (ia64_output_mi_thunk): And here.
10982         * config/mips/mips.c (mips_output_mi_thunk): And here.
10983         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): And here.
10984         * config/sh/sh.c (sh_output_mi_thunk): And here.
10985         * config/sparc/sparc.c (sparc_output_mi_thunk): And here.
10986
10987 2004-07-01  Richard Henderson  <rth@redhat.com>
10988
10989         * tree.def (RTL_EXPR): Remove.
10990         * c-typeck.c (lvalue_p): Don't handle it.
10991         * expr.c (safe_from_p): Likewise.
10992         (expand_expr_real_1): Likewise.
10993         * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
10994         (fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
10995         * gengtype.c (adjust_field_tree_exp): Likewise.
10996         * stmt.c (warn_if_unused_value): Likewise.
10997         * tree-gimple.c (recalculate_side_effects): Likewise.
10998         * tree-pretty-print.c (dump_generic_node): Likewise.
10999         * tree.c (make_node_stat, first_rtl_op, unsave_expr_1): Likewise.
11000         (unsafe_for_reeval, stabilize_reference, build1_stat): Likewise.
11001         * tree.h (RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, RTL_EXPR_ALT_RTL): Remove.
11002
11003         * stmt.c (struct stmt_status): Remove x_last_expr_type,
11004         x_last_expr_value, x_last_expr_alt_rtl, x_expr_stmts_for_value.
11005         (last_expr_type, last_expr_value, last_expr_alt_rtl): Remove.
11006         (expand_expr_stmt): Merge with expand_expr_stmt_value.  Remove
11007         all the bits that tracked last_expr.
11008         (expand_end_bindings): Don't track last_expr.
11009         (expand_start_stmt_expr, expand_end_stmt_expr): Remove.
11010         (clear_last_expr): Remove.
11011         (expand_asm): Don't call it.
11012         (expand_asm_operands, expand_end_cond): Likewise.
11013         (expand_naked_return, expand_null_return_1): Likewise.
11014         * c-typeck.c (c_begin_compound_stmt): Likewise.
11015         * cfgexpand.c (expand_block): Use expand_expr_stmt.
11016         * expr.c (expand_expr_real_1): Likewise.
11017         * tree.h: Update prototypes.
11018
11019         * function.h (struct sequence_stack): Remove sequence_rtl_expr.
11020         (struct emit_status): Remove sequence_rtl_expr.
11021         (struct function): Remove x_rtl_expr_chain.
11022         (seq_rtl_expr, rtl_expr_chain): Remove.
11023         * function.c (struct temp_slot): Remove rtl_expr.
11024         (assign_stack_temp_for_type): Don't set it.
11025         (free_temp_slots, pop_temp_slots): Don't check it.
11026         (free_after_compilation): Don't clear x_rtl_expr_chain.
11027         (fixup_var_refs): Don't search it.
11028         (preserve_rtl_expr_result, free_temps_for_rtl_expr): Remove.
11029         * emit-rtl.c (start_sequence): Don't use sequence_rtl_expr
11030         or seq_rtl_expr.
11031         (push_topmost_sequence): Likewise.
11032         (end_sequence, init_emit): Likewise.
11033         (start_sequence_for_rtl_expr): Remove.
11034         * expmed.c (make_tree): Build a VAR_DECL instead of an RTL_EXPR.
11035         * rtl.h (preserve_rtl_expr_result): Remove.
11036
11037 2004-07-02  Kazu Hirata  <kazu@cs.umass.edu>
11038
11039         * ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
11040         tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
11041         typos.
11042
11043 2004-07-02  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
11044
11045         * gcc.c (STANDARD_STARTFILE_PREFIX_1): Define.
11046         (STANDARD_STARTFILE_PREFIX_2): Define.
11047         (standard_startfile_prefix_1): Initialize to
11048         STANDARD_STARTFILE_PREFIX_1.
11049         (standard_startfile_prefix_2): Initialize to
11050         STANDARD_STARTFILE_PREFIX_2.
11051         * config/i386/mingw32.h (MD_STARTFILE_PREFIX): Remove.
11052         (STANDARD_STARTFILE_PREFIX_1): Define.
11053         (STANDARD_STARTFILE_PREFIX_2): Define.
11054         * doc/tm.texi (STANDARD_STARTFILE_PREFIX_1): Document.
11055         (STANDARD_STARTFILE_PREFIX_2): Document.
11056
11057 2004-07-01  Richard Henderson  <rth@redhat.com>
11058
11059         * tree-sra.c (sra_walk_expr): Don't maybe_lookup_element_for_expr
11060         in order to disable scalarization.  Instead set a flag and wait
11061         for a candidate decl.
11062
11063 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
11064
11065         * doc/cppinternals.texi, doc/install.texi, doc/invoke.texi,
11066         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi:
11067         Use terminology "testsuite" and "enumerated".
11068
11069 2004-07-01  Richard Henderson  <rth@redhat.com>
11070
11071         * dwarf2out.c (reg_save): Use INVALID_REGNUM.
11072         (dwarf2out_reg_save, dwarf2out_return_save): Likewise.
11073         (initial_return_save): Likewise.
11074         (flush_queued_reg_saves): Remap register numbers.
11075         (dwarf2out_return_reg): Likewise.
11076
11077 2004-07-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11078
11079         * gimplify.c (gimplify_one_sizepos): Don't do anything if any VAR_DECL.
11080
11081         * tree-pretty-print.c (dump_generic_node, case ARRAY_REF): Use
11082         access functions for lower bound and element size and only output
11083         if lower bound nonzero or element size not same as that of type.
11084         (dump_generic_node, case COMPONENT_REF): Use access func. for offset.
11085
11086 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
11087
11088         * c-pretty-print.c (pp_c_postfix_expression): Fix pasto.
11089
11090 2004-07-01  Per Bothner  <per@bothner.com>
11091
11092         * final.c (final):  Fix typo reported by Aaron W. LaFramboise.
11093
11094 2004-07-01  Jakub Jelinek  <jakub@redhat.com>
11095
11096         * expr.c (expand_assignment): Optimize bitfld += cst for 1 bit
11097         bitfields as well.  STRIP_NOPS from src operand and PLUS_EXPR's
11098         first operand.  Don't optimize if the bitfield is volatile.
11099
11100 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
11101
11102         * c-pretty-print.c (pp_c_postfix_expression): Handle
11103         floating-point comparison operators.
11104         (pp_c_expression): Pass floating-point comparison
11105         operators to pp_c_postfix_expression.
11106
11107 2004-07-01  Roger Sayle  <roger@eyesopen.com>
11108
11109         * simplify-rtx.c (simplify_binary_operation) <PLUS, MINUS>: Use
11110         rtx_cost instead of "had_mult" to determine whether the transformed
11111         expression is cheaper than the original.
11112
11113 2004-07-01  Jerry Quinn  <jlquinn@optonline.net>
11114
11115         * alias.c (get_alias_set, canon_rtx, get_addr,
11116         nonoverlapping_memrefs_p, nonlocal_referenced_p_1, memory_modified_1):
11117         Use MEM_P.
11118         * builtins.c (expand_builtin_prefetch, expand_builtin_profile_func,
11119         expand_builtin): Likewise.
11120         * calls.c (expand_call, emit_library_call_value_1, store_one_arg):
11121         Likewise.
11122         * combine.c (can_combine_p, combinable_i3pat, try_combine,
11123         find_split_point, combine_simplify_rtx, simplify_set, make_extraction,
11124         rtx_equal_for_field_assignment_p, gen_lowpart_for_combine,
11125         record_dead_and_set_regs_1, get_last_value_validate,
11126         mark_used_regs_combine, move_deaths, unmentioned_reg_p_1): Likewise.
11127         * cse.c (check_dependence, canon_hash, equiv_constant,
11128         gen_lowpart_if_possible, cse_insn, invalidate_from_clobbers,
11129         cse_around_loop, cse_check_loop_start, cse_set_around_loop,
11130         count_reg_usage): Likewise.
11131         * cselib.c (rtx_equal_for_cselib_p, add_mem_for_addr, cselib_lookup,
11132         cselib_invalidate_mem, cselib_invalidate_rtx, cselib_record_set,
11133         cselib_record_sets): Likewise.
11134         * dbxout.c (PARM_PASSED_IN_MEMORY, dbxout_symbol,
11135         dbxout_symbol_location, dbxout_parms, dbxout_reg_parms): Likewise.
11136         * ddg.c (mark_mem_use, mark_mem_store, rtx_mem_access_p): Likewise.
11137         * df.c (df_uses_record): Likewise.
11138         * dojump (do_jump): Likewise.
11139         * dwarf2out.c (stack_adjust_offset, mem_loc_descriptor,
11140         loc_descriptor_from_tree, rtl_for_decl_location, add_bound_info,
11141         decl_start_label): Likewise.
11142         * emit-rtl.c (gen_complex_constant_part, gen_highpart,
11143         operand_subword, change_address_1, make_safe_from): Likewise.
11144         * explow.c (break_out_memory_refs, copy_all_regs, validize_mem,
11145         stabilize, force_not_mem): Likewise.
11146         * expmed.c (store_bit_field, store_split_bit_field, extract_bit_field,
11147         expand_mult_const, expand_divmod, emit_store_flag): Likewise.
11148         * expr.c (convert_move, convert_modes, emit_block_move,
11149         emit_group_load, emit_group_store, clear_storage, emit_move_insn,
11150         emit_move_insn_1, expand_assignment, store_expr,
11151         store_constructor_field, store_constructor, store_field,
11152         force_operand, safe_from_p, expand_expr_real_1, expand_increment):
11153         Likewise.
11154         * final.c (cleanup_subreg_operands, alter_subreg,
11155         get_mem_expr_from_op): Likewise.
11156         * flow.c (notice_stack_pointer_modification_1,
11157         init_propagate_block_info, insn_dead_p, mark_set_1, mark_used_regs):
11158         Likewise.
11159         * function.c (mark_temp_addr_taken, preserve_temp_slots,
11160         preserve_rtl_expr_result, put_var_into_stack, fixup_var_refs_1,
11161         optimize_bit_field, flush_addressof, purge_addressof_1,
11162         instantiate_decl, instantiate_virtual_regs_1, assign_parms,
11163         setjmp_protect, setjmp_protect_args, fix_lexical_addr,
11164         keep_stack_depressed): Likewise.
11165         * ifcvt.c (noce_try_cmove_arith, noce_try_abs, noce_operand_ok,
11166         noce_process_if_block, find_memory): Likewise.
11167         * integrate.c (subst_constants, allocate_initial_values): Likewise.
11168         * local-alloc.c (validate_equiv_mem_from_store, memref_referenced_p,
11169         update_equiv_regs): Likewise.
11170         * loop.c (scan_loop, prescan_loop, note_addr_stored, check_store,
11171         maybe_eliminate_biv_1, find_mem_in_note_1): Likewise.
11172         * optabs.c (expand_abs, emit_unop_insn): Likewise.
11173         * passes.c (rest_of_handle_final): Likewise.
11174         * postreload.c (reload_cse_simplify_set, reload_cse_simplify_operands,
11175         move2add_note_store): Likewise.
11176         * ra-build.c (detect_remat_webs): Likewise.
11177         * ra-debug.c (dump_static_insn_cost): Likewise.
11178         * ra-rewrite.c (slots_overlap_p, insert_stores): Likewise.
11179         * recog.c (validate_change, apply_change_group, cancel_changes,
11180         validate_replace_rtx_1, general_operand, register_operand,
11181         nonmemory_operand, push_operand, pop_operand, memory_operand,
11182         indirect_operand, asm_operand_ok, offsettable_memref_p,
11183         offsettable_nonstrict_memref_p, constrain_operands,
11184         store_data_bypass_p): Likewise.
11185         * reg-stack.c (subst_stack_regs_pat): Likewise.
11186         * regclass.c (record_operand_costs, scan_one_insn, record_reg_classes,
11187         copy_cost, reg_scan_mark_refs): Likewise.
11188         * regmove.c (optimize_reg_copy_3, stack_memref_p,
11189         combine_stack_adjustments_for_block): Likewise.
11190         * regrename.c (copyprop_hardreg_forward_1): Likewise.
11191         * reload.c (can_reload_into, push_reload, decompose, immune_p,
11192         find_reloads, find_reloads_address, find_reloads_address_1,
11193         reg_overlap_mentioned_for_reload_p, refers_to_mem_for_reload_p,
11194         find_equiv_reg): Likewise.
11195         * reload1.c (reload, eliminate_regs, eliminate_regs_in_insn,
11196         reload_as_needed, choose_reload_regs, emit_input_reload_insns,
11197         do_input_reload, emit_reload_insns, gen_reload, delete_output_reload,
11198         delete_address_reloads): Likewise.
11199         * resource.c (mark_referenced_resources): Likewise.
11200         * rtlanal.c (get_jump_table_offset, count_occurrences,
11201         reg_referenced_p, reg_set_p, set_of_1, set_noop_p,
11202         reg_overlap_mentioned_p, note_uses, replace_regs, nonzero_bits1,
11203         num_sign_bit_copies1): Likewise.
11204         * rtlhooks.c (gen_lowpart_general): Likewise.
11205         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
11206         * sdbout.c (PARM_PASSED_IN_MEMORY, sdbout_symbol,
11207         sdbout_toplevel_data, sdbout_parms, sdbout_reg_parms,
11208         sdbout_global_decl): Likewise.
11209         * simplify-rtx.c (simplify_subreg): Likewise.
11210         * stmt.c (expand_asm_operands, expand_expr_stmt_value, expand_decl,
11211         expand_anon_union_decl, expand_end_case_type): Likewise.
11212         * unroll.c (calculate_giv_inc): Likewise.
11213         * var-tracking.c (stack_adjust_offset_pre_post,
11214         bb_stack_adjust_offset, track_expr_p, count_uses, add_uses,
11215         add_stores, compute_bb_dataflow, vt_get_decl_and_offset,
11216         vt_add_function_parameters): Likewise.
11217         * varasm.c (make_var_volatile, notice_global_symbol,
11218         assemble_external, decode_addr_const, mark_weak,
11219         default_encode_section_info): Likewise.
11220
11221 2004-07-01  Steven Bosscher  <stevenb@suse.de>
11222
11223         * stmt.c (check_seenlabel): Remove.
11224         (pushcase, pushcase_range, expand_end_case_type): Don't call it.
11225
11226 2004-07-01  Richard Henderson  <rth@redhat.com>
11227
11228         * function.h (struct function): Remove x_function_call_count.
11229         (function_call_count): Remove.
11230         * calls.c (expand_call): Don't set it.
11231         * integrate.c (copy_rtx_and_substitute): Likewise.
11232
11233         * function.h (struct function): Remove x_cleanup_label.
11234         (cleanup_label): Remove.
11235         * stmt.c (expand_value_return): Don't use it.
11236         * function.c (free_after_compilation): Don't set it.
11237         (expand_function_start): Likewise.  Remove parms_have_cleanups arg.
11238         * cfgexpand.c (tree_expand_cfg): Update call.
11239         * tree.h (expand_function_start): Update decl.
11240
11241 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
11242
11243         PR c/1027
11244         * c-lang.c (c_initialize_diagnostics): Move from here ...
11245         * c-objc-common.c: ... to here.  Include "c-pretty-print.h".
11246         (c_tree_printer): Use pretty-printer to format %T.
11247         * c-pretty-print.c (pp_c_specifier_qualifier_list): Include space
11248         before '*' if not C++.
11249         (pp_c_direct_abstract_declarator): Don't try to print array upper
11250         bound for flexible array members.
11251         * c-tree.h: Include "diagnostic.h".
11252         (c_initialize_diagnostics): Declare.
11253         * objc/objc-lang.c (LANG_HOOKS_INITIALIZE_DIAGNOSTICS): Define.
11254         * c-format.c (format_type_warning): New function.  Improve
11255         diagnostics for incorrect format argument types.
11256         (check_format_types): Use it.  Add two parameters.  Use the
11257         TYPE_MAIN_VARIANT of wanted_type.
11258         (check_format_info_main): Pass new parameters to
11259         check_format_types.
11260         (struct format_wanted_type): Update comment.
11261
11262 2004-07-01  Nick Clifton  <nickc@redhat.com>
11263
11264         * target.h (struct gcc_target): Add new field to struct cxx:
11265         import_export_class.
11266         * target-def.h (TARGET_CXX): Initialise the new field.
11267         (TARGET_CXX_IMPORT_EXPORT_CLASS): Provide a default value for
11268         the new field.
11269         * doc/tm.texi: Document the new target hook.
11270
11271 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
11272
11273         * builtins.c (fold_builtin_classify): Fix typo.
11274
11275 2004-07-01  Richard Henderson  <rth@redhat.com>
11276
11277         * function.c (identify_blocks, identify_blocks_1): Remove.
11278         * function.h (identify_blocks): Remove.
11279         * rtl.h (NOTE_INSN_BLOCK_BEG): Update comment.
11280
11281 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
11282
11283         * builtins.c (fold_builtin_classify): New.
11284         (fold_builtin_unordered_cmp): Fix commentary.
11285         (fold_builtin): Use it.
11286         * builtins.def: Define builtins for isnan,
11287         isnanf, isnanl, finite, finitef, finitel,
11288         isinf, isinff, isinfl.
11289
11290 2004-07-01  Richard Henderson  <rth@redhat.com>
11291
11292         * function.h (struct function): Remove dont_emit_block_notes.
11293         * gimple-low.c (lower_function_body): Don't set it.
11294         * cfgexpand.c (expand_block): Don't check it.
11295         * cfglayout.c (insn_locators_initialize): Likewise.
11296         * expr.c (expand_expr_real, expand_expr_real_1): Likewise.
11297         * passes.c (rest_of_compilation): Likewise.
11298         * stmt.c (expand_start_bindings_and_block): Likewise.
11299         (expand_end_bindings): Likewise.
11300
11301 2004-07-01  Richard Henderson  <rth@redhat.com>
11302
11303         * cgraph.h (cgraph_build_static_cdtor): Declare.
11304         * cgraphunit.c (cgraph_build_static_cdtor): New.
11305         * c-objc-common.c (build_cdtor): Use it.
11306         * coverage.c (create_coverage): Likewise.
11307         * libfuncs.h (LTI_gcov_init, gcov_init_libfunc): Remove.
11308         * optabs.c (init_optabs): Don't set gcov_init_libfunc.
11309
11310 See ChangeLog.11 for earlier changes.