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2004-09-02 Daniel Berlin <dberlin@dberlin.org>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2004-09-02  Daniel Berlin  <dberlin@dberlin.org>
2
3         * gcc/common.opt: Rename ivcanon to tree-loop-ivcanon, tree-lim to
4         tree-loop-im.
5         * gcc/tree-ssa-loop.c: Ditto
6         * gcc/tree-ssa-loop-ivcanon.c: Ditto
7         * gcc/doc/invoke.texi: Ditto.
8
9 2004-09-02  Ziemowit Laski  <zlaski@apple.com>
10
11         * c-decl.c (store_parm_decls_newstyle): Make static.
12         (store_parm_decls_from): New function.
13         * c-tree.h (store_parm_decls_newstyle): Remove prototype.
14         (store_parm_decls_from): New prototype.
15
16 2004-09-02  David Edelsohn  <edelsohn@gnu.org>
17
18         * config/rs6000/rs6000.c (expand_block_move): Use SImode and
19         HImode with STRICT_ALIGNMENT.
20
21 2004-09-02  Mark Mitchell  <mark@codesourcery.com>
22
23         * config/arm/bpabi.h (TARGET_BPABI_CPP_BUILTINS): Define.
24         (TARGET_OS_CPP_BUILTINS): Likewise.
25         * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Include
26         TARGET_BPABI_CPP_BUILTINS.
27
28 2004-09-02  Roman Zippel  <zippel@linux-m68k.org>
29  
30         * combine.c (distribute_notes): Don't add REG_LABEL to jump insn.
31
32 2004-09-02  Eric Christopher  <echristo@redhat.com>
33
34         * builtins.c (expand_builtin_cabs): Delete.
35         (expand_builtin): If unable to fold the values do a normal
36         library call for builtin_cab*.
37         (fold_builtin_cabs): Depend on optimize and optimize_size.
38         * optabs.c (expand_cmplxdiv_straight): Delete.
39         (expand_cmplxdiv_wide): Ditto.
40         (expand_vector_binop): Ditto.
41         (expand_vector_unop): Ditto.
42         (expand_complex_abs): Delete.
43         (expand_binop): Remove calls to above functions.
44         Remove open coding of complex arithmetic.
45         (expand_unop): Ditto.
46         * optabs.h: Remove prototypes.
47
48 2004-09-02  Ziemowit Laski  <zlaski@apple.com>
49
50         * c-decl.c (store_parm_decls_newstyle): Make externally visible.
51         * c-tree.h (store_parm_decls_newstyle): New prototype.
52
53 2004-09-02  Geoffrey Keating  <geoffk@apple.com>
54
55         * config/rs6000/rs6000.c (expand_block_clear): Use vector
56         instructions if available.
57         (expand_block_move): Likewise.
58
59 2004-09-03  Jan Hubicka  <jh@suse.cz>
60
61         * rtl.def (RANGE_INFO, RANGE_REG, RANGE_VAR, RANGE_LIVE): Kill.
62
63 2004-09-02  Mark Mitchell  <mark@codesourcery.com>
64
65         * config/arm/symbian.h (LIB_SPEC): Define to empty.
66         * config/arm/t-symbian (SHLIB_LC): Likewise.
67
68 2004-09-02  Paul Brook  <paul@codesourcery.com>
69
70         * config/arm/bpabi.c (__aeabi_ul2d, __aeabi_ul2f): Remove.
71
72 2004-09-02  Richard Sandiford  <rsandifo@redhat.com>
73
74         * config/mips/mips.c (mips_classify_symbol, mips_fetch_insns):
75         (mips_restore_gp, mips_set_return_address, mips_expand_prologue)
76         (mips16_fp_args, mips_avoid_hazard): Replace abort with gcc_assert.
77         (build_mips16_call_stub): Likewise.  Remove daft CALL_INSN checks.
78         (mips_issue_rate): Remove unreachable abort.
79         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
80         (mips_output_move, mips_relational_operand_ok_p, mips_arg_info)
81         (mips_block_move_straight, print_operand_address, mips_file_start)
82         (mips_initial_elimination_offset, mips16_fp_args, dump_constants_1)
83         (mips_output_conditional_branch, mips_expand_builtin_direct)
84         (mips_expand_builtin_compare): Replace abort with gcc_unreachable.
85         * config/mips/mips.md (rotr<mode>3, consttable_float): Replace abort
86         with gcc_assert.
87
88 2004-09-02  Richard Sandiford  <rsandifo@redhat.com>
89
90         * config/mips/mips.md (*lea_high64): Change split condition to
91         flow2_completed.  Add a peephole2 to generate a more parallel version.
92
93 2004-09-02  Jan Hubicka  <jh@suse.cz>
94
95         * gimplify.c (gimplify_compound_lval): Move "stack" varray out of
96         GGC.
97
98         * ggc-page.c: include tree-flow.h.
99         (extra_order_size_table): Add stmt_ann_d.
100         (STAT_LABEL): Rename from ....
101         (LABEL): ... this one.
102         * Makefile.in (ggc-page.o): Add dependency.
103
104         * ggc-common.c (ggc_force_collect): New global variable.
105         (loc_description): Add fields "freed", "collected"
106         (ptr_hash): New static hash
107         (ptr_hash_entry): New structure.
108         (hash_ptr,eq_ptr,ggc_prune_ptr): New static functions.
109         (ggc_record_overhead): Take ptr argument, record it
110         (ggc_prune_overhead_list, ggc_free_overhead): New functions.
111         (cmp_statistics): Imrove sorting.
112         (dump_ggc_loc_statistics): Output newly collected statistics
113         * ggc-page.c (ggc_alloc): Update call of ggc_record_overhead
114         (ggc_free): Call ggc_free_overhead.
115         (ggc_collect): Force collection when asked to be forced.
116         (ggc_collect): Call ggc_prune_overhead_list.
117         * ggc.h (ggc_force_collect): Declare
118         (ggc_record_overhead): Update prototype.
119         (ggc_free_overhead, ggc_prune_overhead_list): Declare.
120
121 2004-09-02  James E Wilson  <wilson@specifixinc.com>
122
123         * common.opt (ftrapping-math): Default to on.
124
125 2004-09-02  Richard Earnshaw  <rearnsha@arm.com>
126
127         * arm/predicates.md (arm_reload_memory_operand): Allow MEM.
128
129 2004-09-02  Denis Chertykov  <denisc@overta.ru>
130
131         PR target/16884
132         * config/avr/avr.md ("movmemhi"): Substitute match_dup to
133         match_scratch.
134         (*movmemqi_insn): Likewise.
135         (*movmemhi): Likewise.
136         (clrmemhi): Likewise.
137         (*clrmemqi): Likewise.
138         (*clrmemhi): Likewise.
139
140 2004-09-02  Paul Brook  <paul@codesourcery.com>
141
142         * config.gcc (arm*-*-eabi* | arm*-*-symbianelf*): Set
143         default_use_cxa_atexit=yes.
144
145 2004-09-02  Alan Modra  <amodra@bigpond.net.au>
146
147         * config/rs6000/linux64.h: Don't include signal.h or sys/ucontext.h.
148         (struct kernel_old_ucontext): Delete.
149         (struct gcc_pt_regs, gcc_sigcontext, gcc_ucontext): New.
150         (MD_FALLBACK_FRAME_STATE_FOR): Use gcc_* structs.  Only define
151         when IN_LIGGCC2.
152
153 2004-09-02  Richard Sandiford  <rsandifo@redhat.com>
154
155         * toplev.c (process_options): Fix typo.
156
157 2004-09-01  Richard Henderson  <rth@redhat.com>
158
159         PR middle-end/17258
160         * calls.c (initialize_argument_information): Tighten pass-through
161         conditions for pass-by-reference.  Remove dead TARGET_EXPR code.
162         Use build_fold_addr_expr.
163         (emit_library_call_value_1): Use build_fold_addr_expr.  Remove code
164         that assumes ADDR_EXPR allocates stack space.
165         * fold-const.c (build_fold_addr_expr_with_type): Look through
166         WITH_SIZE_EXPR.
167
168 2004-09-01  Dan Nicolaescu  <dann@ics.uci.edu>
169
170         * gengenrtl.c (gendef): Use rtx_alloc, don't do PUT_CODE.
171         * ggc.h (ggc_alloc_rtx): Delete.
172
173 2004-09-01  Roger Sayle  <roger@eyesopen.com>
174
175         * expmed.c (enum alg_code): Remove long unused enumeration values.
176         (struct mult_cost): New structure to hold the "score" of a synthetic
177         multiply sequence, including both a rtx_cost and a latency field.
178         (MULT_COST_LESS): New macro to compare mult_cost to a constant.
179         (CHEAPER_MULT_COST): New macro to compare two mult_costs.
180         (struct algorithm): Change type of cost field to be mult_cost.
181         (synth_mult): Change type of cost_limit argument to be a
182         pointer to a mult_cost.  Update all cost comparisons to use the
183         new mult_cost infrastructure.  For alg_add_factor and
184         alg_sub_factor operations, latency is lower than the rtx_cost.
185         (choose_mult_variant):  Update calls to synth_mult.  Perform
186         cost comparisons using the new mult_cost infrastructure.
187         (expand_mult_highpart): Use alg.cost.cost instead of alg.cost
188         to optain the total rtx_cost of a synth_mult "algorithm".
189
190 2004-09-01  David Edelsohn  <edelsohn@gnu.org>
191
192         * config/rs6000/power4.md: Increase store latency to 12.
193         * config/rs6000/power5.md: Same.
194
195 2004-09-01  James E Wilson  <wilson@specifixinc.com>
196
197         PR target/14064
198         * config/avr/avr.c (avr_unique_section): Delete prototype and
199         definition.
200         (TARGET_ASM_UNIQUE_SECTION): Delete.
201
202 2004-09-01  Ziemowit Laski  <zlaski@apple.com>
203
204         * c-parse.in (primary): Call objc_build_message_expr(),
205         objc_build_selector_expr(), objc_build_protocol_expr(),
206         objc_build_encode_expr() and objc_build_string_object() instead of
207         build_message_expr(), build_selector_expr(), build_protocol_expr(),
208         build_encode_expr() and build_objc_string_object(), respectively.
209         (component_decl_list2): Call objc_get_class_ivars() instead of
210         get_class_ivars_from_name().
211         (keyworddecl): Call objc_build_keyword_decl() instead of
212         build_keyword_decl().
213         (receiver): Call objc_get_class_reference() instead of
214         get_class_reference().
215         (reswords): Add blank line before @@ifobjc section, for clarity.
216
217 2002-09-01  Fariborz Jahanian <fjahanian@apple.com>
218
219         * config/rs6000/darwin.h (ROUND_TYPE_ALIGN): Restrict alignment
220         to Altivec vetors.
221
222 2004-09-01  Wu Yongwei  <adah@sh163.net>
223             Danny Smith  <dannysmith@users.sourceforge.net>
224
225         * gthr-win32.h (__gthread_recursive_mutex_t): Use 'unsigned long',
226         not Windows 'DWORD'.
227         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Correct typo.
228         (__GTHREAD_RECURSIVE_MUTEX_INIT_DEFAULT): Likewise.
229         (__gthr_win32_recursive_mutex_init_function): Add prototype for
230         __GTHREAD_HIDE_WIN32API case..
231         (__gthr_win32_recursive_mutex_lock): Likewise.
232         (__gthr_win32_recursive_mutex_trylock): Likewise.
233         (__gthr_win32_recursive_mutex_unlock): Likewise.
234         (__gthread_recursive_mutex_init_function); Add definition for
235         __GTHREAD_HIDE_WIN32API case.
236         (__gthread_recursive_mutex_lock): Correct call to InterlockedDecrement.
237         * config/i386/grthr-win32.c (__gthread_recursive_mutex_lock): Correct
238         call to InterlockedDecrement.
239
240 2004-09-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
241
242         * tree-tailcall.c (find_tail_calls): Also fail is statement has
243         volatile operands.
244
245         * tree-ssa.c (propagate_into_addr): Properly test for LHR.
246
247         * doc/c-tree.texi: Document new operands for ARRAY_REF and
248         COMPONENT_REF.
249
250 2004-09-01  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
251
252         * Makefile.in (rtl-profile.o, value-prof.o): Add GCC_H dependency.
253         * common.opt (fspeculative-prefetching): New.
254         * flags.h (flag_speculative_prefetching_set): Declare.
255         * gcov-io.c (gcov_write_counter, gcov_read_counter): Allow negative
256         values.
257         * opts.c (flag_sepculative_prefetching_set): New variable.
258         (common_handle_option): Handle -fspeculative-prefetching.
259         * passes.c (rest_of_compilation): Ditto.
260         * profile.c (instrument_values, compute_value_histograms, branch_prob):
261         Use vectors instead of arrays.
262         * toplev.c (process_options): Handle -fspeculative-prefetching.
263         * rtl-profile.c: Include ggc.h.
264         (rtl_gen_interval_profiler, rtl_gen_pow2_profiler,
265         rtl_gen_one_value_profiler_no_edge_manipulation,
266         rtl_gen_one_value_profiler, rtl_gen_const_delta_profiler): Type of
267         argument changed.
268         * tree-profile.c (tree_gen_interval_profiler, tree_gen_pow2_profiler,
269         tree_gen_one_value_profiler, tree_gen_const_delta_profiler): Type of
270         argument changed.
271         * value-prof.c: Include ggc.h.
272         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX): New
273         macros.
274         (insn_prefetch_values_to_profile, find_mem_reference_1,
275         find_mem_reference_2, find_mem_reference, gen_speculative_prefetch,
276         speculative_prefetching_transform): New.
277         (value_profile_transformations): Call speculative_prefetching_transform.
278         (insn_values_to_profile): Call insn_prefetch_values_to_profile.
279         (insn_divmod_values_to_profile, rtl_find_values_to_profile,
280         tree_find_values_to_profile, find_values to profile): Use vectors
281         instead of arrays.
282         (free_profiled_values): Removed.
283         * value-prof.h (struct histogram_value): Renamed to
284         struct histogram_value_t.
285         (histogram_value, histogram_values): New types.
286         (find_values_to_profile): Declaration changed.
287         (free_profiled_values): Removed.
288         (struct profile_hooks): Type of argument of the hooks changed to
289         histogram_value.
290         * doc/invoke.texi (-fspeculative-prefetching): Document.
291
292 2004-09-01  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
293
294         PR rtl-optimization/16408
295         * gcse.c (replace_store_insn): Fix LIBCALL/RETVAL notes.
296
297 2004-09-01  Richard Henderson  <rth@redhat.com>
298
299         * config/ns32k/ns32k.h (TRANSFER_FROM_TRAMPOLINE): Remove.
300         (TRAMPOLINE_TEMPLATE): Merge code from __trampoline inline.
301
302 2004-09-01  Jakub Jelinek  <jakub@redhat.com>
303
304         * libgcc-std.ver (GCC_3.4.2): Export also __trampoline_setup.
305
306 2004-09-01  Mike Stump  <mrs@apple.com>
307
308         * config/darwin.c (machopic_symbol_defined_p): In addition to
309         being SYMBOL_REF_LOCAL_P, a symbol must also be
310         ! SYMBOL_REF_EXTERNAL_P, as only those are _always_ locally
311         defined in this output file, or translation unit in the case
312         of IMA not being used.
313         (machopic_output_indirection): SYMBOL_REF_LOCAL_P symbols
314         never need .indirect_symbol when indirecting.
315
316 2004-09-01  Jakub Jelinek  <jakub@redhat.com>
317
318         * Makefile.in (bb-reorder.o): Add several dependencies.
319
320 2004-09-01  Jakub Jelinek  <jakub@redhat.com>
321
322         * fold-const.c (operand_equal_p): Require equal sign also for
323         FIX_{CEIL,TRUNC,FLOOR,ROUND}_EXPR.
324
325 2004-09-01  Richard Earnshaw  <rearnsha@arm.com>
326
327         * config.gcc (--with-cpu on ARM): Preserve the canonical cpu name
328         for use in configargs.h.  Put the cname in a separate variable.  Use
329         that to set target_cpu_default2.
330
331 2004-09-01  J"orn Rennecke <joern.rennecke@superh.com>
332             Nick Clifton  <nickc@redhat.com>
333
334         * config/sh/sh.md ("length"): Increase branch length when
335         SH1 pic code to 18: 12 bytes of instructions, 4 byte for the
336         constant, 2 byte for aligning the constant.
337
338 2004-09-01  Richard Earnshaw  <rearnsha@arm.com>
339
340         * arm/arm-cores.def (ARM_CORE): Add new field for the real name of the
341         CPU.
342         (arm7tdmi-s): New CPU name.
343         * arm/arm.c (ARM_CORE): Update for new format.
344         * arm/arm.h (ARM_CORE): Likewise.
345         * arm/gentune.sh: Update for extra field.
346         * config.gcc: Likewise.
347         * arm/arm-tune.md: Regenerate.
348         * doc/invoke.texi: Document the real processor names for ARM cpus.
349
350 2004-09-01  Richard Earnshaw  <rearnsha@arm.com>
351
352         * arm/ieee754-df.S (aeabi_ul2d, aeabi_l2d, floatundidf)
353         (floatdidf): New functions.
354         * arm/ieee754-sf.S (aeabi_ul2f, aeabi_l2f, floatundisf)
355         (floatdisf): New functions.
356         * t-arm-elf: Use them.
357
358 2004-09-01  Ziemowit Laski  <zlaski@apple.com>
359
360         * c-common.h (lookup_interface): Remove prototype.
361         (is_class_name): Rename to objc_is_class_name.
362         (lookup_objc_ivar): Rename to objc_lookup_ivar.
363         (get_current_scope): Rename to objc_get_current_scope.
364         * c-decl.c (get_current_scope): Rename to objc_get_current_scope.
365         * c-parse.in (parmlist_or_identifiers_1): Get rid of unused variable.
366         (yylexname): Call objc_is_class_name() instead of is_class_name().
367         * c-typeck.c (build_external_ref): Call objc_lookup_ivar()
368         instead of lookup_objc_ivar().
369         * stub-objc.c (lookup_interface): Remove stub.
370         (is_class_name): Rename to objc_is_class_name.
371         (lookup_objc_ivar): Rename to objc_lookup_ivar.
372
373 2004-08-31  Mark Mitchell  <mark@codesourcery.com>
374
375         * config.gcc (arm*-*-symbianelf*): Do not include t-bpabi.
376         * config/arm/lib1funcs.asm: Do not include supplemental .S files
377         when compiling for Symbian.
378         * config/arm/symbian.h (RENAME_LIBRARY): New macro.
379         (TARGET_OS_CPP_BUILTINS): Likewise.
380         * config/arm/t-symbian (LIB1ASMFUNCS): Define.
381
382 2004-08-31  Stan Shebs  <shebs@apple.com>
383
384         * toplev.c (process_options): Ensure debug_hooks is initialized.
385
386 2004-08-31  Mark Mitchell  <mark@codesourcery.com>
387
388         * target-def.h (TARGET_CXX): Add TARGET_CXX_EXPORT_CLASS_DATA.
389         * target.h (cxx): Add export_class_data.
390         * config/arm/arm.c (arm_cxx_export_class_data): New function.
391         (TARGET_CXX_EXPORT_CLASS_DATA): Use it.
392         * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Document it.
393
394 2004-08-31  Kaz Kojima  <kkojima@gcc.gnu.org>
395
396         * config/sh/sh.c (output_branch): Check the insn length possibly
397         in the delayed slot.
398
399 2004-08-31  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
400
401         * tree-pretty-print.c (dump_generic_node, case CONVERT_EXPR): Add
402         blank after ')'.
403         (op_symbol, case *_{DIV,MOD}_EXPR): Say what rounding is being used.
404
405         * c-common.c (c_alignof_expr): Use DECL_ALIGN_UNIT and TYPE_ALIGN_UNIT.
406         (c_sizeof_of_alignof_type): Likewise.
407         * expr.c (array_ref_element_size): Likewise.
408         (highest_pow2_factor_for_target): Likewise.
409         * gimplify.c (canonicalize_addr_expr): Likewise.
410         (gimplify_compound_lval): Likewise.
411         * stor-layout.c (finalize_record_size, finalize_type_size): Likewise.
412         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
413         * varasm.c (assemble_variable): Likewise.
414         (output_constant_def_contents): Alignments are unsigned.
415
416 2004-08-31  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
417             Jeff Law  <law@redhat.com>
418
419         * tree-cfg.c (cfg_remove_useless_stmts_bb): Also invalidate if VAL
420         gets modified.
421
422 2004-08-31  Mark Mitchell  <mark@codesourcery.com>
423
424         * hooks.c (hook_bool_void_true): New function.
425         * hooks.h (hook_bool_void_true): Declare.
426         * target-def.h (TARGET_CXX): Add
427         TARGET_CXX_KEY_METHOD_MAY_BE_INLINE.
428         * target.h (struct cxx): Add key_method_may_be_inline.
429         * config/arm/arm.c (arm_cxx_key_method_may_be_inline): New
430         function.
431         (TARGET_CXX_KEY_METHOD_MAY_BE_INLINE): New macro.
432         * config/arm/bpabi.h: Use __THUMB_INTERWORK__ instead of
433         __THUMB_INTERWORK.
434
435 2004-08-31  Denis Chertykov  <denisc@overta.ru>
436
437         PR target/15417
438         * config/avr/avr.c (avr_hard_regno_mode_ok): Enable usage of
439         frame pointer register only in Pmode while reload in progress.
440
441 2004-08-31  Stephane Carrez  <stcarrez@nerim.fr>
442
443         PR target/15334
444         * config/m68hc11/m68hc11.c (m68hc11_override_options): Disable -fweb
445         because it breaks the 32-bit shift patterns that rely on a match_dup.
446
447 2004-08-31  Matt Austern  <austern@apple.com>
448
449         * config/darwin.c (darwin_make_decl_one_only): Allocate section
450         names once per compilation, instead of once per symbol.
451
452 2004-08-31  Paolo Bonzini  <bonzini@gnu.org>
453
454         * Makefile.in (build_subdir): New substitution.
455         (fixinc.sh): Simplify heavily since fixincludes is already built.
456         (stmp-fixinc): Depend on specs.ready.
457         (install-mkheaders): Use new location of fixincludes.
458         (clean): Do not descend into fixinc.
459         (FORBUILD): Replace with ../$(build_subdir).
460         * configure.ac (build_subdir): Substitute.
461         (FORBUILD): Do not set.
462         (all_outputs): Remove fixinc/Makefile.
463         (default commands): Do not create links in fixinc.
464         * mkfixinc.sh: New, from fixinc/mkfixinc.sh without
465         the fixincludes configuration steps and substituting
466         @FIXINCL@ in fixinc.in.
467         * fixinc.in: New, from fixinc/fixincl.sh.
468
469         * fixinc/*: Removed.
470
471 2004-08-31  Joseph S. Myers  <jsm@polyomino.org.uk>
472
473         * attribs.c (strip_attrs): Remove.
474         (split_specs_attrs): Move ...
475         * c-decl.c: ... to here.
476         * tree.h (split_specs_attrs, strip_attrs): Remove.
477         * c-tree.h (split_specs_attrs): Declare.
478
479 2004-08-31  Richard Sandiford  <rsandifo@redhat.com>
480
481         * read-rtl.c: Disable RTL checking.
482         (apply_macro_to_rtx): Use XTMPL to access 'T' fields.
483
484 2004-08-31  Richard Sandiford  <rsandifo@redhat.com>
485
486         * config/mips/mips.md (fcond): New code macro and attribute.
487         (sunordered_[sd]f, suneq_[sd]f, sunlt_[sd]f, sunle_[sd]f)
488         (seq_[sd]f, slt_[sd]f, sle_[sd]f): Redefine using :SCALARF and fcond.
489         (sgt_[sd]f, sge_[sd]f): Redefine using :SCALARF.
490
491 2004-08-30  Mark Mitchell  <mark@codesourcery.com>
492
493         Revert:
494         2004-08-29  Mark Mitchell  <mark@codesourcery.com>
495         PR rtl-optimization/16590
496         * gcse.c (pre_delete): Do not create invalid REG_EQUAL notes.
497
498 2004-08-30  Andrew Pinski  <apinski@apple.com>
499
500         * hard-reg-set.h:
501         s/HOST_BITS_PER_WIDES_FAST_INT/HOST_BITS_PER_WIDEST_FAST_INT.
502         * ChangeLog: Fix previous ChangeLog entry.
503
504         PR rtl-opt/13987
505         * config.host (use_long_long_for_widest_fast_int): New, default is
506         off.
507         (ia64-*-hpux*): Enable use_long_long_for_widest_fast_int.
508         * configure.ac: If use_long_long_for_widest_fast_int, then
509         define USE_LONG_LONG_FOR_WIDEST_FAST_INT.
510         * configure: Regenerate.
511         * config.in: Regenerate.
512         * hwint.h (HOST_WIDEST_FAST_INT, HOST_BITS_PER_WIDEST_FAST_INT):
513         New: widest integer type supported efficiently in hardware for the
514         host.
515         * sbitmap.h (SBITMAP_ELT_BITS): Define based on
516         HOST_BITS_PER_WIDEST_FAST_INT.
517         (SBITMAP_ELT_TYPE): Define based on HOST_WIDEST_FAST_INT.
518         * hard-reg-set.h (HARD_REG_ELT_TYPE): Define based on
519         HOST_WIDEST_FAST_INT
520         instead of HOST_WIDE_INT.
521         (HARD_REG_SET_LONGS): Likewise.
522         (UHOST_BITS_PER_WIDE_INT): Likewise.
523         Change the checks for the fast cases to be based on
524         HOST_BITS_PER_WIDEST_FAST_INT instead of HOST_BITS_PER_WIDE_INT.
525
526 2004-08-30  Steven Bosscher  <stevenb@suse.de>
527
528         * cfgcleanup.c (merge_memattrs): Look at the value of MEM_SIZE,
529         not the pointers.
530
531 2004-08-30  Geoffrey Keating  <geoffk@apple.com>
532
533         PR 12738
534         PR 17205
535         Radar 3460526
536         Radar 3775729
537         * c-decl.c (grokdeclarator): Produce error for 'static' on local
538         function declaration.
539
540 2004-08-30  Richard Henderson  <rth@redhat.com>
541
542         * expr.c (array_ref_element_size): Force aligned_size back to
543         sizetype.
544         (component_ref_field_offset): Similarly for aligned_offset.
545         * tree.c (recompute_tree_invarant_for_addr_expr): Mark raw
546         low-bound, element-size, field-offset fields rather than
547         computed values.
548
549 2004-08-30  Joseph S. Myers  <jsm@polyomino.org.uk>
550
551         * c-parse.in (parmlist_or_identifiers_1): Remove unreachable and
552         redundant code.
553
554 2004-08-30  Joseph S. Myers  <jsm@polyomino.org.uk>
555
556         * c-tree.h (struct language_function): Add arg_info element.
557         * c-decl.c (current_function_arg_info): New.
558         (grokdeclarator, store_parm_decls): Use it instead of
559         DECL_ARGUMENTS.
560         (c_push_function_context, c_pop_function_context): Save and
561         restore it.
562
563 2004-08-30  Richard Henderson  <rth@redhat.com>
564
565         * c-typeck.c (build_unary_op): Don't expand ADDR_EXPR of a
566         COMPONENT_REF to pointer arithmetic.
567         * varasm.c (initializer_constant_valid_p): Allow "&(*c).f", for
568         constant "c" as a valid constant initializer.  Allow narrowing of
569         differences against the same base object, for any base object.
570
571 2004-08-30  Richard Henderson  <rth@redhat.com>
572
573         * expr.c (expand_expr_addr_expr): New.
574         (expand_expr_real_1) <case ADDR_EXPR>: Use it.
575
576 2004-08-30  Richard Sandiford  <rsandifo@redhat.com>
577
578         * config/mips/mips.c (MIPS_FP_CONDITIONS): New macro.
579         (mips_fp_condition): New enum.
580         (mips_fp_conditions): New array.
581         (print_fcc_operand): Delete.
582         (print_operand): Remove %V, %v and %Q.  Redefine %Z so that it prints
583         the operand and comma if and only if ISA_HAS_8CC.  Add %Y.
584         (builtin_description): Add "cond" field.
585         (DIRECT_BUILTIN): Initialize it.
586         (CMP_{SCALAR,PS,4S}_BUILTINS, MOVTF_BUILTINS): Split INSN parameter
587         into INSN and CODE.  Initialize the "cond" field.
588         (CMP_BUILTINS): Update accordingly.
589         (mips_bdesc): Use MIPS_FP_CONDITIONS to invoke CMP_BUILTINS.
590         (mips_expand_builtin_movtf, mips_expand_builtin_compare): Take the
591         mips_fp_condition as argument.  Make it the final operand of the
592         comparison instruction.
593         (mips_expand_builtin): Update accordingly.
594         * config/mips/mips.md (UNSPEC_C_*, UNSPEC_CABS_*): Delete.
595         (UNSPEC_C, UNSPEC_CABS): New constants.  Shuffle others to fill
596         the gaps.
597         * config/mips/mips-ps-3d.md (mips_cond_move_tf_ps, bc1any[24][ft]):
598         Don't use the 'Q' operand prefix; just print the operand normally.
599         (mips_cabs_*, mips_c_*): Delete, replacing with...
600         (mips_c_cond_{ps,4s}, mips_cabs_cond_{s,d,ps,4s}): ...these new
601         patterns.  Split the 4s versions into 2 ps patterns after reload.
602
603 2004-08-30  Richard Henderson  <rth@redhat.com>
604
605         * fold-const.c (tree_expr_nonzero_p): Use get_base_address before
606         assuming an ADDR_EXPR is non-null.
607
608 2004-08-30  Jason Merrill  <jason@redhat.com>
609
610         * gthr-posix.h, gthr-dce.h: Add #pragma weaks.
611
612 2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>
613
614         * gcov-io.c (GCOV_CHECK): Use gcc_assert when available.
615         * gcov.c (abort): Remove undef.
616
617         * tree.h (BINFO_PRIMARY_BASE_OF): Remove.
618         (struct tree_binfo): Remove primary field.
619
620 2004-08-30  Paolo Bonzini  <bonzini@gnu.org>
621
622         * fixinc/Makefile.in (machname.h): Remove.
623         (fixincl.x): Do not pass $@ to genfixes.
624         * fixinc/genfixes: Remove code to produce machname.h.
625         * fixinc/fixincl.sh: Move it here instead.
626         * fixinc/fixlib.c: Do not conditionalize on MN_NAME_PAT's presence,
627         instead check if pz_mn_name_pat is NULL.  Make mn_get_regexps
628         return a bool indicating whether pz_mn_name_pat is NULL.
629         * fixinc/fixlib.h: Do not conditionalize on MN_NAME_PAT's presence.
630         Declare extern C variables for the ENV_TABLE.
631         * fixinc/fixfixes.c: Do not conditionalize on MN_NAME_PAT's presence,
632         instead use the result of mn_get_regexps.
633         * fixinc/fixtests.c: Likewise.
634
635 2004-08-30  Paolo Bonzini  <bonzini@gnu.org>
636
637         * configure.ac: Do not run fixincludes after stage1 during
638         toplevel bootstrap.
639         * configure: Regenerate.
640
641 2004-08-30  Richard Earnshaw  <rearnsha@arm.com>
642
643         * sched-deps.c (get_condition): Partially revert previous, by never
644         trying to extract the condition from a condjump.
645
646 2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>
647
648         * c-common.c (c_sizeof_or_alignof_type): Use gcc_assert.
649         (handle_visibility_attribute, c_determine_visibility): Likewise.
650         * c-common.h (my_friendly_assert): Remove.
651
652 2004-08-30  Richard Sandiford  <rsandifo@redhat.com>
653
654         * config/mips/mips.md (UNSPEC_{RSQRT,RECIP}[12]_{S,D,PS}): Delete.
655         (UNSPEC_{RSQRT,RECIP}[12]): New constants.
656         (UNSPEC_MOVE_TF_PS): Renumber to avoid gaps.
657         * config/mips/mips-ps-3d.md (*movcc_v2sf_[sd]i): Use :GPR.
658         (mips_{rsqrt,recip}[12]_{s,d,ps}): Use :ANYF.
659
660 2004-08-30  Diego Novillo  <dnovillo@redhat.com>
661
662         * tree-pretty-print.c (dump_generic_node): Handle VALUE_HANDLE
663         in COMPONENT_REF nodes.
664
665 2004-08-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
666
667         PR c++/15378
668         * c-opts.c (c_common_handle_option): <case OPT_Werror> set
669         global_dc->warning_as_error_requested.
670         * diagnostic.c (diagnostic_initialize): Tidy.
671         * diagnostic.h (diagnostic_context::x_data): Remove
672         (diagnostic_context::issue_warnings_are_errors_message): Rename
673         from warnings_are_errors_message.
674         (diagnostic_context::warning_as_error_requested): New.
675
676 2004-08-30  Richard Earnshaw  <rearnsha@arm.com>
677
678         * sched-deps.c (get_condition): Fix breakage in previous patch.
679
680 2004-08-30  Paul Brook  <paul@codesourcery.com>
681
682         * doc/install.texi: Fix broken mpfr link.
683
684 2004-08-29  David O'Brien  <obrien@FreeBSD.org>
685
686         * config/rs6000/sysv4.h (LINK_OS_FREEBSD_SPEC): Sync '-p' handling with
687         other FreeBSD platforms.
688
689 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
690
691         * arm.h (REVERSE_CONDITION): Define.
692         (REVERSIBLE_CC_MODE): All comparisons are now reversible.
693
694 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
695
696         * flow.c (REVERSE_CONDEXEC_PREDICATES_P): Use the whole comparison, not
697         just the codes, call reversed_comparison_code ().
698         (ior_reg_cond): Update arguments to REVERSE_CONDEXEC_PREDICATES_P.
699         (not_reg_cond): Use reversed_comparison_code.
700         (and_reg_cond): Likewise.
701         * ifcvt.c (cond_exec_process_if_block): Likewise.
702         * doc/tm.texi (REVERSE_CONDEXEC_PREDICATES_P): Update documentation.
703
704 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
705
706         * sched-deps.c (get_condition): Rewrite using jump support functions.
707         Use reversed_comparison_code.
708         (conditions_mutex_p): Use reversed_comparison_code.
709
710 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
711
712         * config/mips/mips.c (override_options): Disable hot/cold partitioning
713         for MIPS16.
714
715 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
716
717         * config/mips/mips.h (mips_builtins, mips_cmp_choice): Delete.
718         (mips_function_type): Move to mips.c.
719         * config/mips/mips.c (mips_builtin_type): New enum.
720         (builtin_description): Replace code and ftype with builtin_type
721         and function_type.
722         (DIRECT_BUILTIN, CMP_SCALAR_BUILTINS, CMP_PS_BUILTINS, CMP_4S_BUILTINS)
723         (MOVTF_BUILTINS, CMP_BUILTINS): New macros.
724         (CODE_FOR_mips_abs_ps): Define.
725         (mips_bdesc): Use new macros.
726         (mips_expand_builtin): Use builtin_type.  Update calls to subroutines.
727         (mips_init_builtins): Use the mips_bdesc[] index as the function code.
728         (mips_expand_builtin_direct): New function.
729         (mips_expand_builtin_movtf): Renamed from mips_expand_ps_cond_move_
730         builtin.  Replace boolean parameter with builtin_type.
731         (mips_expand_compare_builtin, mips_expand_scalar_compare_builtin)
732         (mips_expand_4s_compare_builtin): Delete, replacing with...
733         (mips_expand_builtin_compare): ...this new function.
734
735 2004-08-29  Mark Mitchell  <mark@codesourcery.com>
736
737         PR rtl-optimization/16590
738         * gcse.c (pre_delete): Do not create invalid REG_EQUAL notes.
739
740 2004-08-29  Diego Novillo  <dnovillo@redhat.com>
741
742         * tree-ssa-ccp.c (ccp_visit_stmt): Remove #if 0 guards.
743         * tree-ssa-propagate.c: Fix documentation.
744
745 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
746
747         * config/mips/mips.md (*mov[sd]f_on_*): Redefine using :SCALARF.
748         (mov[sd]fcc): Likewise.
749
750 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
751
752         * config/mips/mips.md (cmp[sd]f): Redefine using :SCALARF.
753
754 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
755
756         * config/mips/mips.md (divide_condition): New mode attribute.
757         (div[sd]f3, *div[sd]f3): Use it.  Redefine using :SCALARF.
758         (sqrt[sd]f3): Redefine using SCALARF.
759         (*recip[sd]f3, *rsqrt<mode>[ab]): Likewise.  Name formerly unnamed
760         patterns.
761
762 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
763
764         * config/mips/mips.md (ANYF, SCALARF): New mode macros.
765         (loadx, storex, fmt, UNITMODE): New mode attributes.
766         (add{sf,df,v2sf}3, sub{sf,df,v2sf}3): Redefine using :ANYF.
767         (mul[sd]f3): Redefine using :SCALARF.
768         (*mul[sd]f3): Renamed from mul[sd]f3_internal.  Use :SCALARF.
769         (*mul[sd]3_r4300): Likewise mul[sd]f3_r4300.
770         (*m{add,sub}{sf,df,v2sf}3): Name formerly unnamed patterns.  Use :ANYF.
771         Check TARGET_FUSED_MADD for V2SF too.
772         (*nm{add,sub}{sf,df,v2sf}3{,_fastmath}): Likewise, except v2sf patterns
773         were already named.
774         (abs{sf,df,v2sf}3, neg{sf,df,v2sf}3): Redefine using :ANYF.
775         (*[sl][wd]xc1_[sd]i): Redefine using :ANYF.
776
777 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
778
779         * config/mips/mips.c (mips_init_builtins): Simplify.  Only create
780         V2SF_type_node if it will be needed.
781
782 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
783
784         * config/mips/mips.h (MIPS_CMP_MOVT, MIPS_CMP_MOVF): Delete.
785         * config/mips/mips.c (mips_prepare_builtin_arg): New function.
786         (mips_prepare_builtin_target): New function.
787         (mips_expand_builtin): Use them.  Update calls to subroutines.
788         (mips_expand_ps_cond_move_builtin): Use the new functions.  Replace
789         cmp_choice with a boolean argument to select between movt and movf.
790         Take the comparison's icode as an argument, not the function's fcode.
791         (mips_expand_compare_builtin): New function.  Rename existing function
792         to mips_expand_scalar_compare_builtin.
793         (mips_expand_scalar_compare_builtin, mips_expand_4s_compare_builtin)
794         (mips_expand_ps_compare_builtin): Use the new functions.  Take the
795         comparison's icode as an argument, not the builtin's fcode.
796
797 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
798
799         * config/mips/mips.c (print_operand): Remove '%Y' and '%y'.
800         (mips_expand_4s_compare_builtin): Redefine CCV4 to be 0 if all
801         registers are false and -1 if all registers are true.
802         (mips_expand_ps_compare_builtin): Likewise CCV2.  Use subregs for
803         MIPS_CMP_UPPER and MIPS_CMP_LOWER.
804         * config/mips/mips.md (mips_cond_move_tf_ps): Use %Q rather than %y.
805         (bc1any4t, bc1any4f): Adjust for new CCV4 interpretation.
806         (bc1any2t, bc1any2f): Likewise CCV2.
807         (bc1upper2t, bc1lower2t, bc1upper2f, bc1lower2f): Delete.
808
809 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
810
811         * config/mips/mips.md (UNSPEC_MOVE_TF_PS): New.
812         * config/mips/mips-ps-3d.md (mips_cond_move_tf_ps): Express as an
813         UNSPEC rather than an IF_THEN_ELSE.
814         * config/mips/mips.c (mips_expand_ps_cond_move_builtin): Emit
815         mips_cond_move_tf_ps by name.
816
817 2004-08-29  Chao-ying Fu  <fu@mips.com>
818             James E Wilson  <wilson@specifixinc.com>
819
820         * config/mips/mips-modes.def (V2SF, CCV2, CCV4): New modes. Give CCV2
821         8 byte size and alignment.  Give CCV4 16 byte size and alignment.
822         * config/mips/mips-ps-3d.md: New file.
823         * config/mips/mips.c (TARGET_VECTOR_MODE_SUPPORTED_P,
824         TARGET_INIT_BUILTINS, TARGET_EXPAND_BUILTIN): Define.
825         (mips_const_insns): Handle CONST_VECTOR the same as CONST_DOUBLE.
826         (mips_output_move): Emit "mov.ps" for V2SFmode.
827         (mips_arg_info): Add checks for VECTOR_FLOAT_TYPE_P and
828         MODE_VECTOR_FLOAT.
829         (override_options): Check if TARGET_MIPS3D and there was an explicit
830         !TARGET_PAIRED_SINGLE_FLOAT.  Set MASK_PAIRED_SINGLE, if TARGET_MIPS3D.
831         Check if TARGET_FLOAT64 and TARGET_HARD_FLOAT are both true, when
832         TARGET_PAIRED_SINGLE_FLOAT is true.  Check if the ISA supports
833         TARGET_PAIRED_SINGLE_FLOAT.  Allow MODE_VECTOR_FLOAT in fp registers,
834         and allow CCV2 and CCV4 to occupy two and four CC registers.
835         (print_fcc_operand): New function.
836         (print_operand): Add %Y, %y, %V, %v, %Q for CCV2, CCV4, CC.  Modify
837         %Z to call print_fcc_operand.
838         (mips_function_value): Handle MODE_VECTOR_FLOAT.
839         (mips_class_max_nregs): Check for ST_REGS, and handle CCmodes.
840         (mips_vector_mode_supported_p): New function.
841         (mips_hard_regno_nregs): Check for ST_REG_P, and handle CCmodes.
842         (builtin_description): New struct.
843         (mips_bdesc): New array of struct builtin_description.
844         (mips_expand_builtin, mips_init_builtins,
845         mips_expand_ps_cond_move_builtin, mips_expand_4s_compare_builtin,
846         mips_expand_compare_builtin, mips_expand_ps_compare_builtin): New
847         functions.
848         * config/mips/mips.h (MASK_PAIRED_SINGLE, MASK_MIPS3D): New defines.
849         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D): New defines.
850         (TARGET_CPU_CPP_BUILTINS): Add __mips_paired_single_float.
851         (TARGET_SWITCHES): Added "-mpaired-single", "-mno-paired-single",
852         "-mips3d", and "-mno-mips3d".
853         (ASM_SPEC): Map -mips3d to -mips3d in gas.
854         (EXTRA_CONSTRAINT_Y): New macro.
855         (EXTRA_CONSTRAINT_STR): Renamed from EXTRA_CONSTRAINT.  Add new
856         multi-letter constraint 'Y'.
857         (CONSTRAINT_LEN): New macro.
858         (enum mips_builtins): New for MIPS builtin functions.
859         (enum mips_function_type): New for the types of MIPS builtin functions.
860         (enum mips_cmp_choice): New for the MIPS comparison builtin functions.
861         * config/mips/mips.md: New constants for paired single and MIPS-3D
862         instructions.  Include the new mips-ps-3d.md file.
863         (addv2sf3, subv2sf3, mulv2sf3, absv2sf2, negv2sf2, movv2sf,
864         movv2sf_hardfloat_64bit): New named patterns.
865         (madd.ps, msub.ps, nmaddv2sf, nmaddv2sf_fastmath, nmsubv2sf,
866         nmsubv2sf_fastmath, ldxc1_v2sf_si, ldxc1_v2sf_di, sdxc1_v2sf_si,
867         sdxc1_v2sf_di): New unnamed patterns.
868         * config/mips/predicates.md (const_0_operand, const_1_operand): Add
869         const_vector support.
870         (const_0_or_1_operand): New predicate.
871         * doc/invoke.texi (MIPS Options): Add -mpaired-single and -mips3d.
872
873 2004-08-29  Diego Novillo  <dnovillo@redhat.com>
874
875         * Makefile.in (OBJS-common): Add tree-ssa-propagate.o
876         (tree-ssa-propagate.o): New rule.
877         (GTFILES): Add tree-ssa-propagate.c.
878         * tree-flow.h (struct stmt_ann_d): Remove field
879         in_ccp_worklist.
880         * tree-ssa-propagate.c: New file.
881         * tree-ssa-propagate.h: New file.
882         * tree-ssa-ccp.c: Re-write to use the routines from
883         tree-ssa-propagate.c.
884
885 2004-08-28  Andrew Pinski  <apinski@apple.com>
886
887         * tree-ssa-loop.c: Remove extra include of basic-block.h.
888
889 2004-08-28  Ziemowit Laski  <zlaski@apple.com>
890
891         * c-common.h: Update comments about ObjC/ObjC++ entry points.
892         (objc_is_reserved_word): New prototype.
893         (get_current_scope, objc_mark_locals_volatile): Move prototypes to
894         separate section; these are call-backs.
895         * c-lex.c (c_lex_with_flags): Call objc_is_reserved_word() to detect
896         ObjC/ObjC++ "@" keywords.
897         * c-tree.h (get_current_scope, objc_mark_locals_volatile): Remove
898         prototypes; they already live in c-common.h.
899         * stub-objc.c: Update copyright notice.
900         (objc_is_reserved_word): New stub.
901
902 2004-08-28  Nathan Sidwell  <nathan@codesourcery.com>
903
904         * system.h (gcc_assert): Remove __builtin_expect.  Evaluate EXPR
905         even when not checking.
906
907 2004-08-27  Jason Merrill  <jason@redhat.com>
908
909         PR c++/13684
910         * gimplify.c (gimplify_cleanup_point_expr): Handle CLEANUP_EH_ONLY.
911         (gimple_push_cleanup): Add eh_only parm.
912         (gimplify_target_expr): Pass it.
913         * c.opt (-fno-threadsafe-statics): New option.
914         * c-opts.c (c_common_handle_option): Handle it.
915         * c-common.h (flag_threadsafe_statics): Declare it.
916         * c-common.c (flag_threadsafe_statics): Record it.
917         * doc/invoke.texi: Document it.
918         * tsystem.h (_GNU_SOURCE): Define.
919         * gthr-posix.h (__gthread_recursive_mutex_t): New typedef.
920         (__GTHREAD_RECURSIVE_MUTEX_INIT): New macro.
921         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): New macro.
922         (__gthread_recursive_mutex_init_function): New fn.
923         (__gthread_recursive_mutex_lock): New fn.
924         (__gthread_recursive_mutex_trylock): New fn.
925         (__gthread_recursive_mutex_unlock): New fn.
926         * gthr-solaris.h, gthr-single.h, gthr-dce.h: Likewise.
927         * gthr-win32.h, gthr-vxworks.h: Likewise.
928         * gthr.h: Document.
929
930 2004-08-27  David Edelsohn  <edelsohn@gnu.org>
931
932         * config/rs6000/rs6000.c (rs6000_override_options): Increase
933         maximum skip to 15.  Set function alignment, jump alignment, and
934         loop alignment to 16 for processors that form dispatch groups.
935         (rs6000_rtx_costs): outer_code is used.
936
937 2004-08-27  Nathan Sidwell  <nathan@codesourcery.com>
938
939         * stor-layout.c (sizetype_set): Remove.
940         (set_sizetype): Don't test or set it.
941
942         * tree.h (size_int_type): Remove.
943         * fold-const.c: Do not #include gt-fold-const.h.
944         (size_htab_hash, size_htab_eq): Remove.
945         (size_int_kind): Use build_int_cst.
946         (new_const, size_htab): Remove.
947         (size_int_type): Remove.
948         (round_up): Use build_int_cst.
949         (round_down): Likewise. Remove spurious constant build.
950
951 2004-08-27  Nathan Sidwell  <nathan@codesourcery.com>
952
953         * configure.ac: Add ENABLE_ASSERT_CHECKING control.
954         Add is_release variable, use it for --enable-werror and
955         --enable-checking defaults.
956         * system.h (gcc_assert, gcc_unreachable): New.
957         * doc/install.texi (--enable-checking): Update.
958         * configure, config.in: Rebuilt.
959
960 2004-08-26  Richard Sandiford  <rsandifo@redhat.com>
961
962         * rtl.h (read_rtx): Change prototype.
963         * read-rtl.c (read_rtx): Provide the caller with both an rtx and a
964         line number.  Return true on success.
965         * gensupport.c (process_include, init_md_reader_args_cb): Adjust
966         callers accordingly.
967
968 2004-08-26  Richard Henderson  <rth@redhat.com>
969
970         * c-typeck.c (build_offsetof): Remove.
971         * c-tree.h (build_offsetof): Remove.
972         * c-common.c (fold_offsetof_1, fold_offsetof): New.
973         * c-common.h (fold_offsetof): Declare.
974         * c-parse.in (offsetof_base): New.
975         (offsetof_member_designator): Use it.  Build references, not just
976         a tree list.
977         (primary): Use fold_offsetof, not build_offsetof.
978
979 2004-08-26  Richard Henderson  <rth@redhat.com>
980
981         * tree.c (staticp): Return the static object.
982         * tree.h (staticp): Update decl.
983         * langhooks.h (struct lang_hooks): Change staticp return type to tree.
984         * langhooks.c (lhd_staticp): Return NULL_TREE.
985         * langhooks-def.h (lhd_staticp): Update decl.
986         * c-common.c (c_staticp): Return the static object.
987         * c-common.h (c_staticp): Update decl.
988
989 2004-08-26  Richard Henderson  <rth@redhat.com>
990
991         * config/alpha/alpha.h (HARD_REGNO_MODE_OK): Allow complex float
992         modes.
993
994 2004-08-26  Joseph S. Myers  <jsm@polyomino.org.uk>
995
996         PR c/13801
997         * c-decl.c (struct c_binding): Add type and inner_comp fields.
998         (bind): Set type and inner_comp fields.
999         (pop_scope): Restore type of decl to the correct type from an
1000         outer scope.  Give error when popping file scope for incomplete
1001         arrays completed incompatibly with default initialization in an
1002         inner scope.
1003         (diagnose_mismatched_decls): Handle externs with initializers at
1004         block scope.
1005         (pushdecl): Set type of external declaration at block scope based
1006         only on the visible declarations.  Save type when changing the
1007         type of a declaration.  Merge an external declaration at block
1008         scope with a visible static declaration at file scope.
1009         (implicitly_declare): Give recycled old declaration the new type
1010         except for incompatible declarations of built-in functions, saving
1011         the old type.
1012
1013 2004-08-26  Ziemowit Laski  <zlaski@apple.com>
1014
1015         * c-parse.in (OBJC_TYPE_QUAL): New %token for ObjC use.
1016
1017 2004-08-26  Daniel Berlin  <dberlin@dberlin.org>
1018
1019         * tree-alias-common.c (gate_pta): New function.
1020         (pass_build_pta): Use it.
1021         (pass_del_pta): Use it.
1022         (delete_alias_vars): Don't check flag_tree_points_to.
1023
1024 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
1025
1026         * config/rs6000/rs6000.h (HARD_REGNO_CALL_PART_CLOBBERED): Added
1027         TFmode as additional register mode cloberred by call.
1028
1029 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
1030
1031         * config/rs6000/rs6000.c (rs6000_libcall_value): Generate
1032         parallel pattern for library call returning DImode in
1033         mixed mode.
1034
1035 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
1036
1037         * config/rs6000/rs6000.c (function_arg): Generate parallel
1038         pattern for more split args.
1039
1040 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
1041
1042         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Call
1043         either gen_movdi_di_update or gen_movdi_si_update depending on
1044         target mode.
1045         * config/rs6000/rs6000.md (movdi_update): Changed to movdi_<mode>_update,
1046         to generate two versions.
1047
1048 2004-08-26  Daniel Berlin  <dberlin@dberlin.org>
1049
1050         * Makefile.in (lambda-code.o): New.
1051         (lambda-trans.o): Ditto.
1052         (TREE_DATA_REF_H): Ditto.
1053         (LAMBDA_H): Ditto.
1054         (lambda-mat.o): Use LAMBDA_H.
1055         (tree-data-ref.o): Ditto.
1056         * lambda-code.c: New file.  Lambda code generation algorithm.
1057         * lambda-trans.c: Ditto. Lambda transformation matrix support.
1058         * lambda.h: Add lambda loop structures.
1059         Add lambda loopnest structures.
1060         Add lambda body vector structure.
1061         Add lambda linear expression structures.
1062         Add prototypes for functions in new files.
1063         * lambda-mat.c: Include tree.h
1064
1065 2004-08-26  Daniel Berlin <dberlin@dberlin.org>
1066             Sebastian Pop  <pop@cri.ensmp.fr>
1067
1068         * tree-data-ref.h: Include lambda.h
1069         (free_dependence_relation): Declared here.
1070         (free_dependence_relations): Ditto.
1071         (free_data_refs): Ditto.
1072         * tree-data-ref.c (free_dependence_relation): New function.
1073         (free_dependence_relations): Ditto.
1074         (free_data_refs): Ditot.
1075         (analyze_all_data_dependences): Free datarefs and dependence_relations.
1076         (build_classic_dist_vector): Store in the dependence_relations the
1077         information. Each arc in the dependence_relations graph is labelled
1078         with the distance and direction vectors.
1079         (build_classic_dir_vector): Ditto.
1080         (compute_rw_wr_ww_dependences): Renamed again compute_all_dependences.
1081         Now computes again the whole dependence graph including read-read
1082         relations.
1083         (compute_data_dependences_for_loop): Now dependence_relations contains
1084         all the data, and thus it doesn't need to initialize the classic_dir
1085         and classic_dist vectors.
1086         (analyze_all_data_dependences): Adjusted for using the new interface of
1087         compute_data_dependences_for_loop.  Remove the statistics dump.
1088
1089 2004-08-26  Bob Wilson  <bob.wilson@acm.org>
1090
1091         * config/xtensa/xtensa.c (xtensa_ld_opcodes, xtensa_st_opcodes): Delete.
1092         (xtensa_expand_block_move): Update comment.
1093         (override_options): Remove initialization of xtensa_{ld,st}_opcodes.
1094
1095 2004-08026  Richard Earnshaw  <rearnsha@arm.com>
1096
1097         PR target/13506
1098         * toplev.c (crash_signal): If we crashed while emitting
1099         a user asm, then die more gracefully.
1100
1101 2004-08-26  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
1102
1103         PR target/17119.
1104         * config/m32r.c (gen_compare): Use reg_or_int16_operand when
1105         checking for a valid constant, regardless of sign.
1106
1107 2004-08-25  Richard Henderson  <rth@redhat.com>
1108
1109         PR target/16974
1110         * config/alpha/alpha.md (adddi_fp_hack): Don't rely on splitting
1111         if the constant satisfies add_operand.
1112
1113 2004-08-25  Richard Henderson  <rth@redhat.com>
1114
1115         PR debug/10695
1116         * config/alpha/alpha.c (emit_frame_store_1, emit_frame_store): New.
1117         (alpha_expand_prologue): Handle >32-bit frames.  Generate proper
1118         unwind info for >16-bit frames.
1119
1120 2004-08-25  Richard B. Kreckel  <richard.kreckel@framatome-anp.com>
1121
1122         PR target/17171
1123         * config/i386/gas.h (ASM_COMMENT_START): Define to "#".
1124
1125 2004-08-25  Richard Henderson  <rth@redhat.com>
1126
1127         * config/alpha/alpha.c (alpha_cannot_force_const_mem): New.
1128         (TARGET_CANNOT_FORCE_CONST_MEM): New.
1129
1130 2004-08-25  Andrew MacLeod  <amacleod@redhat.com>
1131
1132         * doc/tree-ssa.texi: Document new operand iterator.
1133
1134 2004-08-26  Alan Modra  <amodra@bigpond.net.au>
1135
1136         PR target/16480
1137         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Don't abort
1138         on "(mem (symbol_ref ..))" rtl.  Look at LO_SUM base regs as well
1139         as PLUS base regs.
1140
1141 2005-08-28  Paul Brook  <paul@codesourcery.com>
1142
1143         * config/arm/symbian.h (SUBTARGET_ASM_FLOAT_SPEC): Default to
1144         -mfpu=vfp -march=armv5t
1145         * config/arm/t-symbian: Change multilib to mfloat-abi=softfp.
1146
1147 2004-08-25  Richard Henderson  <rth@redhat.com>
1148
1149         * target-def.h (TARGET_SCALAR_MODE_SUPPORTED_P): New.
1150         * target.h (struct gcc_target): Add scalar_mode_supported_p.
1151         * targhooks.c (default_scalar_mode_supported_p): New.
1152         * targhooks.h (default_scalar_mode_supported_p): Declare.
1153         * doc/tm.texi (TARGET_SCALAR_MODE_SUPPORTED_P): Document.
1154
1155         * c-common.c (handle_mode_attribute): Query scalar_mode_supported_p
1156         before attempting to create types.  Tidy.
1157         * expr.c (vector_mode_valid_p): Use scalar_mode_supported_p.
1158
1159         * config/alpha/alpha.c (alpha_scalar_mode_supported_p): New.
1160         (TARGET_SCALAR_MODE_SUPPORTED_P): New.
1161
1162 2004-08-25  Richard Henderson  <rth@redhat.com>
1163
1164         * config/i386/freebsd.h (SUBTARGET_OVERRIDE_OPTIONS): Don't
1165         set REAL_MODE_FORMAT for TFmode.
1166
1167 2004-08-25  Ziemowit Laski  <zlaski@apple.com>
1168
1169         * c-decl.c (grokparm): New function.
1170         * c-tree.h (grokparm): New prototype.
1171
1172 2004-08-25  Andrew MacLeod  <amacleod@redhat.com>
1173
1174         * tree-ssa-operands.h (struct ssa_operand_iterator_d): New.  SSA operand
1175         iterator controlling structure.
1176         (SSA_OP_USE, SSA_OP_DEF, SSA_OP_VUSE, SSA_OP_VMAYUSE, SSA_OP_VMAYDEF,
1177         SSA_OP_VMUSTDEF, SSA_OP_VIRTUAL_USES, SSA_OP_VIRTUAL_DEFS,
1178         SSA_OP_ALL_USES, SSA_OP_ALL_DEFS, SSA_OP_ALL_OPERANDS): New.  Operand
1179         iterator flags.
1180         (FOR_EACH_SSA_TREE_OPERAND): New.  Iterate over operands as trees.
1181         (FOR_EACH_SSA_USE_OPERAND): New.  Iterate over operands as uses.
1182         (FOR_EACH_SSA_DEF_OPERAND): New.  Iterate over operands as defs.
1183         (FOR_EACH_SSA_MAYDEF_OPERAND): New.  Iterate over V_MAY_DEFs.
1184         * tree-ssa-operands.c (NULL_DEF_OPERAND_P, NULL_USE_OPERAND_P): New.
1185         Empty operand pointers.
1186         * tree-flow-inline.h (op_iter_done): New.  Return true if finished.
1187         (op_iter_next_use): New.  Return next use_operand_p.
1188         (op_iter_next_def): New.  Return next def_operand_p.
1189         (op_iter_next_tree): New.  Return next operands as a tree.
1190         (op_iter_init): New.  Initialize an iterator structure.
1191         (op_iter_init_use): New.  Initialize structure and get the first use.
1192         (op_iter_init_def): New.  Initialize structure and get the first def.
1193         (op_iter_init_tree): New.  Initialize structure and get the first tree.
1194         (op_iter_next_maydef): New.  Return next V_MAY_DEF operands.
1195         (op_iter_init_maydef): New.  Initialize structure and get the first
1196         V_MAY_DEF operands.
1197         * tree-cfg.c (tree_duplicate_bb): Use new operand iterator.
1198         * tree-dfa.c (compute_immediate_uses_for_stmt,
1199         redirect_immediate_uses): Use new operand iterator.
1200         (v_may_defs_disappeared_p, v_must_defs_disappeared_p): Delete.
1201         (mark_new_vars_to_rename): Use new operand iterator.  Count virtual
1202         operands instead of using *_disappeared_p routines.
1203         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites, rewrite_stmt,
1204         ssa_rewrite_stmt): Use new operand iterator.
1205         * tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb,
1206         rewrite_trees): Use new operand iterator.
1207         * tree-pretty-print.c (dump_vops): Use new operand iterator.
1208         * tree-sra.c (mark_all_v_defs): Use new operand iterator.
1209         * tree-ssa-alias.c (compute_points_to_and_addr_escape,
1210         dump_points_to_info): Use new operand iterator.
1211         * tree-ssa-ccp.c (cp_lattice_meet, visit_stmt, initialize,
1212         replace_uses_in, replace_vuse_in, likely_value, set_rhs): Use new
1213         operand iterator.
1214         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary,
1215         propagate_necessity): Use new operand iterator.
1216         * tree-ssa-dom.c (cprop_into_stmt, optimize_stmt): Use operand iterator.
1217         (register_definitions_for_stmt): Use new operand iterator.  Take stmt as
1218         a parameter instead of a stmt_ann_t.
1219         * tree-ssa-live.c (create_ssa_var_map, calculate_live_on_entry,
1220         build_tree_conflict_graph): Use new operand iterator.
1221         * tree-ssa-loop-im.c (determine_max_movement, single_reachable_address,
1222         rewrite_mem_refs): Use new operand iterator.
1223         * tree-ssa-loop-manip.c (find_uses_to_rename_stmt,
1224         check_loop_closed_ssa_use): Use new operand iterator.
1225         * tree-ssa.c (verify_ssa, replace_immediate_uses): Use operand iterator.
1226         * tree-ssanames.c (release_defs): Use new operand iterator.
1227         * tree-vectorizer.c (vect_create_data_ref): Use new operand iterator.
1228
1229 2004-08-25  Adam Nemet  <anemet@lnxw.com>
1230
1231         * tlink.c (initial_cwd): New variable.
1232         (tlink_init): Initialize it.
1233         (recompile_files): Use tlink_execute() instead of system().  Don't
1234         duplicate verbose output of collect_execute.  Restore initial_cwd.
1235         Update comment before the function.
1236
1237 2004-08-25  Ziemowit Laski  <zlaski@apple.com>
1238
1239         * c-typeck.c (build_c_cast): In ObjC, always preserve (and silently
1240         accept) a cast from one Objective-C pointer type to another.
1241
1242 2004-08-25  Paolo Carlini  <pcarlini@suse.de>
1243
1244         * doc/install.texi: Document that libstdc++-v3 requires
1245         now automake 1.9.1.
1246
1247 2004-08-25  Caroline Tice  <ctice@apple.com>
1248
1249         * bb-reorder.c (partition_hot_cold_basic_blocks):  Add more details
1250         to comments at start of function.
1251         * cfgbuild.c (make_edges):  Add more details to hot/cold partitioning
1252         comment.
1253         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
1254         merge_blocks_move_predecessor_nojumps,
1255         merge_blocks_move_successor_nojumps, merge_blocks_move,
1256         try_crossjump_to_edge, try_crossjump_bb): Likewise.
1257         * cfglayout.c (fixup_reorder_chain): Likewise.
1258         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
1259         cfg_layout_can_merge_blocks_p):  Likewise.
1260         * ifcvt.c (find_if_case_1, find_if_case_2): Likewise.
1261         * passes.c (rest_of_compilation): Update comments for calling
1262         optimization that partitions hot/cold basic blocks.
1263         * doc/invoke.texi:  Update documentation of
1264         freorder-blocks-and-partition flag.
1265
1266 2004-08-25  Richard Sandiford  <rsandifo@redhat.com>
1267
1268         * config/mips/mips.md (reg): Renamed mode attribute from ccreg.
1269         (*mov*_on_*): Adjust accordingly.  Add an explicit MOVECC: prefix.
1270
1271 2004-08-25  Richard Sandiford  <rsandifo@redhat.com>
1272
1273         * config/mips/mips.md (any_shift): New code macro.
1274         (optab, insn): New code attributes.
1275         ({ashl,ashr,lshr}[sd]i3): Redefine using :GPR and any_shift.
1276         Use the standard rather than internal patterns for the MIPS16
1277         double-shift optimization.
1278         (*{ashl,ashr,lshr}[sd]i3): New names for the non-mips16 shift patterns.
1279         Redefine using :GPR and any_shift.
1280         (*{ashl,ashr,lshr}si3_extend): Generalize ashlsi3_internal1_extend
1281         to cover all three shifts.
1282         (*{ashl,ashr,lshr}si3_mips16): New names for the mips16 SImode shifts.
1283         Redefine using any_shift.  Use :GPR and any_shift to combine splitters.
1284         (*{ashl,ashr,lshr}di3_mips16): New names for the mips16 DImode shifts.
1285
1286 2004-08-24  Geoffrey Keating  <geoffk@apple.com>
1287
1288         * gimplify.c (lookup_tmp_var): Separate temporaries when not
1289         optimizing.
1290
1291 2004-08-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1292
1293         PR libstdc++/17005 (fix for HP-UX 11.11)
1294         * config.gcc (hppa*-*-*): Move MASK_BIG_SWITCH to target_cpu_default2.
1295         (hppa*-*-hpux*): Consolidate hppa1.0-*-* code.  Rework handling of
1296         tm_file including pa-hpux1010.h or pa-hpux1111.h when appropriate.
1297         * config/pa/pa-hpux1010.h, config/pa/pa-hpux1111.h: New files.
1298         * config/pa/pa-hpux.h (TARGET_HPUX): Define.
1299         (LINK_SPEC): Handle march=1.0 option.
1300         * config/pa/pa-hpux10.h (TARGET_OS_CPP_BUILTINS): Predefine _XOPEN_UNIX
1301         and _XOPEN_SOURCE_EXTENDED for UNIX 95.
1302         (SUBTARGET_OPTIONS): New define.
1303         (LINK_SPEC): Handle march=1.0 option.
1304         (STARTFILE_SPEC): New define.
1305         * config/pa/pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Predefine _XOPEN_UNIX
1306         and _XOPEN_SOURCE_EXTENDED for UNIX 95.  Additionally, predefine
1307         _INCLUDE__STDC_A1_SOURCE and _INCLUDE_XOPEN_SOURCE_500 for UNIX 98.
1308         (SUBTARGET_OPTIONS): New define.
1309         (LINK_SPEC): Handle march=1.0 option.
1310         (STARTFILE_SPEC): New define.
1311         * config/pa/pa.c (override_options): Add code to process -munix= option.
1312         * config/pa/pa.h (pa_unix_string, flag_pa_unix): Declare.
1313         (TARGET_HPUX, TARGET_HPUX_10_10, TARGET_HPUX_11_11): Provide default
1314         defines.
1315         (TARGET_OPTIONS): Add SUBTARGET_OPTIONS to option list.
1316         (SUBTARGET_OPTIONS): Provide default define.
1317         * config/pa/pa64-hpux.h (STANDARD_STARTFILE_PREFIX_1,
1318         STANDARD_STARTFILE_PREFIX_2): New defines.
1319         (STARTFILE_SPEC): Provide unix95.o or unix98.o startfiles as necessary.
1320         (ENDFILE_SPEC): Use %O.
1321         * doc/install.texi (hppa*-*-hpux*): Reword paragraph on -g and gas.
1322         Mention issue caused by changing namespace and runtime to UNIX 95/98.
1323         * doc/invoke.texi (HPPA options): Move misplaced text to FRV options.
1324         Document -munix=std option.
1325
1326 2004-08-25  Steven Bosscher  <stevenb@suse.de>
1327
1328         * cse.c (cse_around_loop, cse_check_loop_start,
1329         cse_set_around_loop): Remove.
1330         (cse_basic_block): Remove the around_loop argument.
1331         (cse_end_of_basic_block): Remove the after_loop argument.
1332         (cse_main): Likewise.
1333         * rtl.h (cse_main): Update prototype.
1334         * passes.c (rest_of_handle_cse, rest_of_handle_cse2,
1335         rest_of_handle_gcse): Update cse_main calls.
1336
1337 2004-08-25  Nathan Sidwell  <nathan@codesourcery.com>
1338
1339         * tree.h  (build_int_cst): New, sign extended constant.
1340         (build_int_cstu): New, zero extended constant.
1341         (build_int_cst_wide): Renamed from build_int_cst.
1342         * tree.c (build_int_cst, build_int_cstu): New.
1343         (build_int_cst_wide): Renamed from build_int_cst.
1344         (make_vector_type, build_common_tree_nodes,
1345         build_common_tree_nodes_2): Adjust build_int_cst calls.
1346         * builtins.c (expand_builtin_prefetch, expand_builtin_strstr,
1347         expand_builtin_strpbrk, expand_builtin_fputs,
1348         build_string_literal, expand_builtin_printf,
1349         expand_builtin_sprintf, fold_builtin_classify_type,
1350         fold_builtin_lround, fold_builtin_bitop, fold_builtin_isascii,
1351         fold_builtin_toascii, fold_builtin_isdigit,
1352         simplify_builtin_strstr, simplify_builtin_strpbrk,
1353         fold_builtin_fputs, simplify_builtin_sprintf): Likewise.
1354         * c-common.c (start_fname_decls, fix_string_type, shorten_compare,
1355         DEF_ATTR_INT): Likewise.
1356         * c-decl.c (complete_array_type, check_bitfield_type_and_width):
1357         Likewise.
1358         * c-lex.c (interpret_integer, lex_charconst): Likewise.
1359         * c-parse.in (primary) <TYPES_COMPATIBLE_P> Likewise.
1360         * c-pretty-print.c (pp_c_integer_constant): Likewise.
1361         * c-typeck.c (really_start_incremental_init, push_init_level,
1362         set_nonincremental_init_from_string): Likewise.
1363         * calls.c (load_register_parameters): Likewise.
1364         convert.c (convert_to_pointer): Likewise.
1365         coverage.c (coverage_counter_alloc, tree_coverage_counter_ref,
1366         build_fn_info_type, build_fn_info_value, build_ctr_info_value,
1367         build_gcov_info): Likewise.
1368         * except.c (init_eh, assign_filter_values): Likewise.
1369         * expmed.c (store_fixed_bit_field, extract_bit_field,
1370         extract_fixed_bit_field, extract_split_bit_field, expand_shift,
1371         expand_mult_const, expand_mult_highpart_adjust, extract_high_half,
1372         expand_sdiv_pow2, expand_divmod, make_tree): Likewise.
1373         * expr.c (convert_move, emit_group_load, emit_group_store,
1374         expand_assignment, store_constructor, store_field,
1375         expand_expr_real_1, reduce_to_bit_field_precision): Likewise.
1376         fold-const.c (force_fit_type, int_const_binop, fold_convert_const,
1377         invert_truthvalue, optimize_bit_field_compare,
1378         decode_field_reference, all_ones_mask_p, constant_boolean_node,
1379         fold_div_compare, fold, fold_read_from_constant_string,
1380         fold_negate_const, fold_abs_const, fold_not_const, round_up,
1381         round_down): Likewise.
1382         * function.c (assign_parm_setup_block): Likewise.
1383         * stmt.c (shift_return_value, expand_case, estimate_case_costs):
1384         Likewise.
1385         * stor-layout.c (layout_type, initialize_sizetypes,
1386         set_min_and_max_values_for_integral_type): Likewise.
1387         * tree-chrec.c (chrec_fold_multiply_poly_poly,
1388         reset_evolution_in_loop): Likewise.
1389         * tree-chrec.h (build_polynomial_chrec): Likewise.
1390         * tree-complex.c (build_replicated_const): Likewise.
1391         * tree-eh.c (honor_protect_cleanup_actions,
1392         lower_try_finally_onedest, lower_try_finally_copy,
1393         lower_try_finally_switch): Likewise.
1394         * tree-mudflap.c (mf_build_string, mx_register_decls,
1395         mudflap_register_call, mudflap_enqueue_constant): Likewise.
1396         * tree-nested.c (get_trampoline_type, get_nl_goto_field): Likewise.
1397         * tree-pretty-print.c (dump_generic_node): Likewise.
1398         * tree-ssa-ccp.c (widen_bitfield, maybe_fold_offset_to_array_ref):
1399         Likewise.
1400         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
1401         * tree-ssa-loop-niter.c (number_of_iterations_cond,
1402         loop_niter_by_eval, upper_bound_in_type, lower_bound_in_type):
1403         Likewise.
1404         * tree-ssa-loop-ivcanon.c (create_canonical_iv,
1405         canonicalize_loop_induction_variables): Likewise.
1406         * tree-vectorizer.c (vect_create_index_for_array_ref,
1407         vect_transform_loop_bound, vect_compute_data_ref_alignment):
1408         Likewise.
1409
1410         * config/alpha/alpha.c (alpha_initialize_trampoline, alpha_va_start,
1411         alpha_gimplify_va_arg_1): Likewise.
1412         * config/arm/arm.c (arm_get_cookie_size): Likewise.
1413         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
1414         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
1415         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
1416         * config/mips/mips.c (mips_build_builtin_va_list, mips_va_start,
1417         mips_gimplify_va_arg_expr): Likewise.
1418         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
1419         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg,
1420         add_compiler_branch_island): Likewise.
1421         * config/s390/s390.c (s390_va_start): Likewise.
1422         * config/sh/sh.c (sh_va_start): Likewise.
1423         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
1424         Likewise.
1425         * config/xtensa/xtensa.c (xtensa_va_start,
1426         xtensa_gimplify_va_arg_expr): Likewise.
1427
1428         * objc/objc-act.c (build_objc_string_object,
1429         build_objc_symtab_template, init_def_list, init_objc_symtab,
1430         init_module_descriptor, generate_static_references,
1431         build_selector_translation_table, get_proto_encoding,
1432         build_typed_selector_reference, build_selector_reference,
1433         build_next_objc_exception_stuff,
1434         build_method_prototype_list_template, generate_descriptor_table,
1435         generate_protocols, build_protocol_initializer,
1436         build_ivar_list_template, build_method_list_template,
1437         build_ivar_list_initializer, generate_ivars_list,
1438         generate_dispatch_table, generate_protocol_list,
1439         build_category_initializer, build_shared_structure_initializer,
1440         generate_shared_structures, handle_impent,
1441         generate_objc_image_info): Likewise.
1442
1443 2004-04-25  Paolo Bonzini  <bonzini@gnu.org>
1444
1445         * cfglayout.c (duplicate_insn_chain): Remove references to
1446         NOTE_INSN_LOOP_VTOP and NOTE_INSN_LOOP_CONT.
1447         * cfgloop.h (struct loop): Remove fields vtop, cont and cont_dominator.
1448         * cfgrtl.c (rtl_delete_block): Remove handling of NOTE_INSN_LOOP_CONT.
1449         * final.c (final_scan_insn): Remove references to NOTE_INSN_LOOP_VTOP
1450         and NOTE_INSN_LOOP_CONT.
1451         * insn-notes.def (NOTE_INSN_LOOP_VTOP, NOTE_INSN_LOOP_CONT): Remove.
1452         * jump.c (squeeze_notes): Remove references to NOTE_INSN_LOOP_VTOP
1453         and NOTE_INSN_LOOP_CONT.
1454         * loop.c (scan_loops, find_and_verify_loops, for_each_insn_in_loop,
1455         check_dbra_loop, loop_dump_aux): Remove references to removed notes
1456         and fields.
1457         * reorg.c (mostly_true_jump): Do not rely on NOTE_INSN_LOOP_VTOPs.
1458         * unroll.c (unroll_loop, copy_loop_body, loop_iterations): Remove
1459         references to removed notes and fields.
1460         (subtract_reg_term, ujump_to_loop_cont): Remove.
1461
1462 2004-08-25  Paolo Bonzini  <bonzini@gnu.org>
1463
1464         * doc/install.texi: Document that libcpp does not require
1465         Automake any longer.  Document that Automake 1.9.1 should
1466         work everywhere.
1467
1468 2004-08-25  Zack Weinberg  <zack@codesourcery.com>
1469
1470         * flags.h (enum debug_info_type): Remove DWARF_DEBUG.
1471         * defaults.h (PREFERRED_DEBUGGING_TYPE): Remove check for
1472         DWARF_DEBUGGING_INFO from choice-of-definition chain;
1473         restructure using C89 features (#elif, #error).
1474         * c-lex.c, final.c, opts.c, config/cris/cris.c, config/frv/frv.c
1475         * config/sh/sh.h: Remove references to DWARF_DEBUG.
1476         * doc/invoke.texi: Remove references to DWARF version 1;
1477         clarify why -gdwarf-2<n> doesn't work.
1478
1479 2004-08-25  Zack Weinberg  <zack@codesourcery.com>
1480
1481         * basic-block.h (BB_SET_PARTITION): Clear old value first.
1482         * cfg.c (clear_bb_flags): Don't clear partition setting.
1483         * ifcvt.c (find_if_case_1): Remove ??? comment.
1484
1485 2004-08-25  Alan Modra  <amodra@bigpond.net.au>
1486
1487         PR target/17052
1488         * config/rs6000/rs6000.h (machine_function): Remove sysv_varargs_p.
1489         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
1490         current_function_stdarg in place of sysv_varargs_p.
1491         * config/rs6000/rs6000.c (setup_incoming_varargs): Don't set
1492         sysv_varargs_p.
1493
1494 2004-08-24  Richard Henderson  <rth@redhat.com>
1495
1496         PR target/16298
1497         * config/i386/i386.c (legitimate_constant_p): Rework to not accept
1498         random codes within CONST.
1499
1500 2004-08-24  James E Wilson  <wilson@specifixinc.com>
1501
1502         * Makefile.in (STAGEFEEDBACK_FLAGS_TO_PASS): Remove
1503         -freorder-blocks-and-partition.
1504
1505 2004-08-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1506
1507         PR middle-end/17044
1508         * tree-ssa-threadupdate.c (redirection_data): Make static.
1509         (thread_block): Use ggc_alloc_cleared to allocate struct
1510         redirection_data.  Don't free elements in redirection_data.
1511
1512 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
1513
1514         * config/mips/predicates.md (small_data_pattern): Match prefetches.
1515
1516 2004-08-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1517
1518         PR tree-optimization/17016
1519         * tree-ssa-loop-niter.c (number_of_iterations_cond,
1520         number_of_iterations_exit): Use POINTER_TYPE_P instead
1521         of testing for POINTER_TYPE.
1522
1523 2004-08-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1524
1525         * tree-ssa-loop-ivcanon.c: New file.
1526         * tree-ssa-loop-manip.c (create_iv): New function.
1527         * Makefile.in (tree-ssa-loop-ivcanon.o): Add.
1528         (tree-ssa-loop.o, tree-ssa-loop-manip.o): Add SCEV_H dependency.
1529         * cfgloop.c (mark_single_exit_loops): New function.
1530         (verify_loop_structure): Verify single-exit loops.
1531         * cfgloop.h (struct loop): Add single_exit field.
1532         (LOOPS_HAVE_MARKED_SINGLE_EXITS): New constant.
1533         (mark_single_exit_loops): Declare.
1534         (tree_num_loop_insns): Declare.
1535         * cfgloopmanip.c (update_single_exits_after_duplication): New function.
1536         (duplicate_loop_to_header_edge): Use it.
1537         * common.opt (fivcanon): New flag.
1538         * timevar.def (TV_TREE_LOOP_IVCANON, TV_COMPLETE_UNROLL): New timevars.
1539         * tree-cfg.c (tree_find_edge_insert_loc): Return newly created block.
1540         (bsi_commit_edge_inserts_1): Pass null to tree_find_edge_insert_loc.
1541         (bsi_insert_on_edge_immediate): New function.
1542         * tree-flow.h (bsi_insert_on_edge_immediate,
1543         canonicalize_induction_variables, tree_unroll_loops_completely,
1544         create_iv): Declare.
1545         * tree-optimize.c (init_tree_optimization_passes): Add
1546         pass_iv_canon and pass_complete_unroll.
1547         * tree-pass.h (pass_iv_canon, pass_complete_unroll): Declare.
1548         * tree-scalar-evolution.c (get_loop_exit_condition,
1549         get_exit_conditions_rec, number_of_iterations_in_loop,
1550         scev_initialize): Use single_exit information.
1551         * tree-ssa-loop-niter.c (number_of_iterations_cond): Record
1552         missing assumptions.
1553         (loop_niter_by_eval):  Return number of iterations as unsigned
1554         int.
1555         * tree-ssa-loop.c (tree_ssa_loop_init): Mark single exit loops.
1556         (tree_ssa_loop_ivcanon, gate_tree_ssa_loop_ivcanon, pass_iv_canon,
1557         tree_complete_unroll, gate_tree_complete_unroll, pass_complete_unroll):
1558         New passes.
1559         (tree_ssa_loop_done): Call free_numbers_of_iterations_estimates.
1560         * tree-ssanames.c (make_ssa_name): Allow creating ssa name before
1561         the defining statement is ready.
1562         * tree-vectorizer.c (vect_create_iv_simple): Removed.
1563         (vect_create_index_for_array_ref, vect_transform_loop_bound):
1564         Use create_iv.
1565         (vect_transform_loop_bound): Use single_exit information.
1566         (vect_analyze_loop_form): Cleanup bogus tests.
1567         (vectorize_loops): Do not call flow_loop_scan.
1568         * tree.h (may_negate_without_overflow_p): Declare.
1569         * fold-const.c (may_negate_without_overflow_p): Split out from ...
1570         (negate_expr_p): ... this function.
1571         (tree_expr_nonzero_p): Handle overflowed constants correctly.
1572         * doc/invoke.texi (-fivcanon): Document.
1573         * doc/passes.texi: Document canonical induction variable creation.
1574
1575 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
1576
1577         * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): Delete.
1578         * config/mips/mips.c (print_operand): Fold %B/%b handling into %T/%t,
1579         using the mode of the operand to decide between them.
1580         * config/mips/mips.md (MOVECC): New mode macro.
1581         (ccreg): New mode attribute.
1582         (*mov{si,di,sf,df}_on_{cc,si,di}): Name formerly unnamed patterns.
1583         Redefine using :GPR and :MOVECC.  Use %T and %t for the condition.
1584         (mov[sd]icc): Redefine using :GPR.
1585
1586 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
1587
1588         * config/mips/mips-protos.h (mips_emit_prefetch): Delete.
1589         (mips_prefetch_cookie): New function.
1590         * config/mips/mips.c (print_operand_address): Fix handling of
1591         ADDRESS_CONST_INT.
1592         (mips_emit_prefetch): Delete.
1593         (mips_prefetch_cookie): New function.
1594         * config/mips/mips.md (prefetch): Turn into a define_insn.  Use a
1595         mode of QImode for the address_operand.  Use mips_prefetch_cookie
1596         to calculate the first "pref" operand.
1597         (prefetch_[sd]i, prefetch_[sd]i_address): Delete.
1598         (prefetch_indexed_[sd]i): Redefine using :P.  Use mips_prefetch_cookie.
1599
1600 2004-08-24  Richard Earnshaw  <rearnsha@arm.com>
1601
1602         * arm.md: Include predicates.md.
1603         * predicates.md: New file.
1604         * arm.c (s_register_operand, arm_hard_register_operand)
1605         (arm_general_register_operand, f_register_operand, reg_or_int_operand)
1606         (arm_immediate_operand, arm_neg_immediate_operand)
1607         (arm_not_immediate_operand, arm_rhs_operand, arm_rhsm_operand)
1608         (arm_add_operand, arm_addimm_operand, arm_not_operand)
1609         (offsettable_memory_operand, alignable_memory_operand)
1610         (arm_reload_memory_operand, arm_float_rhs_operand)
1611         (arm_float_add_operand, vfp_compare_operand, arm_float_compare_operand)
1612         (index_operand, shiftable_operator, logical_binary_operator)
1613         (shift_operator, equality_operator, arm_comparison_operator)
1614         (minmax_operator, cc_register, dominant_cc_register)
1615         (arm_extendqisi_mem_op, power_of_two_operand, nonimmediate_di_operand)
1616         (di_operand, nonimmediate_soft_df_operand, soft_df_operand)
1617         (const_shift_operand, load_multiple_operation)
1618         (store_multiple_operation, multi_register_push, thumb_cmp_operand)
1619         (thumb_cmpneg_operand, thumb_cbrch_target_operand)
1620         (cirrus_register_operand, cirrus_fp_register)
1621         (cirrus_shift_const): Delete, replaced with equivalents in
1622         predicates.md.
1623         (shift_op): Handle ROTATE.
1624         * arm-protos.h: Delete declarations for above.
1625         * arm.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Delete.
1626         * t-arm (MD_INCLUDES): Add predicates.md.
1627         (s-preds): Depends on MD_INCLUDES.
1628
1629 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
1630
1631         * config/mips/mips.c (mips_gen_conditional_trap): Fix mode.
1632         * config/mips/mips.md (*conditional_trap[sd]i): Name previously unnamed
1633         patterns.  Redefine using :GPR.  Give the match_operator a mode.
1634         Use '%2' rather than '%z2' for operand 2.
1635
1636 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
1637
1638         * config/mips/mips.md (load_call[sd]i): Redefine using :P.  Add mode
1639         attribute.
1640
1641 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
1642
1643         * config/mips/mips.md (indirect_jump): Use force_reg.  Adjust names
1644         of internal patterns.
1645         (indirect_jump[sd]i): Renamed from indirect_jump_internal[12].
1646         Redefine using :P.
1647         (tablejump): Use expand_binop to calculate address.  Adjust names
1648         of internal patterns.
1649         (tablejump[sd]i): Renamed from tablejump_internal[12].
1650         Redefine using :P.
1651         (tablejump_mips16[12]): Delete.
1652
1653 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
1654
1655         * config/mips/mips.md (*seq_[sd]i, *seq_[sd]i_mips16, *sne_[sd]i)
1656         (*sgt_[sd]i, *sgt_[sd]i_mips16, *sge_[sd]i, *slt_[sd]i)
1657         (*slt_[sd]i_mips16, *sle_[sd]i, *sle_[sd]i_mips16, *sgtu_[sd]i)
1658         (*sgtu_[sd]i_mips16, *sge_[sd]i, *sltu_[sd]i, *sltu_[sd]i_mips16)
1659         (*sleu_[sd]i, *sleu_[sd]i_mips16): Redefine using :GPR.
1660
1661 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
1662
1663         * config/mips/mips.md (cmpsi, cmpdi): Redefine using :GPR.
1664         (*branch_zero[sd]i): Renamed from branch_zero{,_di}.  Redefine
1665         using :GPR.
1666         (*branch_zero[sd]i_inverted): Likewise branch_zero{,_di}_inverted.
1667         (*branch_equality[sd]i): Likewise branch_equality{,_di}.
1668         (*branch_equality[sd]i_inverted): Likewise
1669         branch_equality{,_di}_inverted.
1670         (*branch_equality[sd]i_mips16): Name formerly unnamed patterns.
1671         Redefine using :GPR.
1672
1673 2004-08-24  Zack Weinberg  <zack@codesourcery.com>
1674
1675         * rtl.def: Reorganize, placing all codes used only in machine
1676         descriptions at the end.
1677
1678         * rtl.def: Wrap MD-only codes in #ifdef GENERATOR_FILE.
1679         * gengtype.c: Don't include rtl.h.  Define enum rtx_code and
1680         rtx_name, rtx_format arrays by direct reference to rtl.def,
1681         first undefining GENERATOR_FILE.  Define enum insn_note and
1682         note_insn_name array by direct reference to insn-notes.def.
1683         (adjust_field_rtx_def): Remove local definition of rtx_name.
1684         Use symbolic names for insn notes.
1685         * Makefile.in (gengtype.o): Update dependencies.
1686
1687 2004-08-24  Zack Weinberg  <zack@codesourcery.com>
1688
1689         * basic-block.h (struct basic_block_def): Reorder fields to
1690         eliminate interior padding.  Remove 'partition' field.
1691         (BB_DISABLE_SCHEDULE, BB_HOT_PARTITION, BB_COLD_PARTITION)
1692         (BB_UNPARTITIONED, BB_PARTITION, BB_SET_PARTITION)
1693         (BB_COPY_PARTITION): New macros.
1694         * bb-reorder.c, cfgcleanup.c, cfglayout.c, cfgrtl.c, ifcvt.c
1695         Replace all references to the 'partition' field of a basic
1696         block with new macros.
1697
1698         * insn-notes.def: Delete NOTE_INSN_DISABLE_SCHED_OF_BLOCK.
1699         * final.c (final_scan_insn): Don't handle it.
1700         * modulo-sched.c: Set BB_DISABLE_SCHEDULE flag on g->bb
1701         instead of emitting a NOTE_INSN_DISABLE_SCHED_OF_BLOCK note.
1702         * sched-rgn.c (sched_is_disabled_for_current_region_p):
1703         Look for a BB_DISABLE_SCHEDULE flag on the block instead of a note.
1704
1705 2004-08-24  Nathan Sidwell  <nathan@codesourcery.com>
1706
1707         * c-decl.c (c_init_decl_processing): Adjust
1708         build_common_tree_nodes call.
1709         * expmed.c (const_mult_add_overflow_p): Use
1710         build_distinct_type_copy.
1711         * stor-layout.c (early_type_list): Remove.
1712         (layout_type): Don't append to early_type_list.
1713         (initialize_sizetypes): Add signed_p argument.
1714         (set_sizetype): Overwrite the stub type nodes directly.
1715         * tree.c (copy_node_stat): Clear a type's value cache here ...
1716         (build_distinct_type): ... not here.
1717         (build_common_tree_nodes): Add signed_sizetype argument. Adjust.
1718         * tree.h (initialize_sizetypes): Add signed_p argument.
1719         (build_common_tree_nodes): Likewise.
1720
1721         * objc/objc-act.c (get_static_reference): Use
1722         build_variant_type_copy.
1723         (get_protocol_reference): Likewise.
1724         * objc/objc-act.h (TREE_STATIC_TEMPLATE): Use TREE_PRIVATE.
1725
1726 2004-08-24  Richard Henderson  <rth@redhat.com>
1727             Andrew Pinski  <apinski@apple.com>
1728
1729         * gimplify.c (gimplify_array_ref_to_plus): Delete.
1730         (gimplify_addr_expr): Do not call gimplify_array_ref_to_plus
1731         for ARRAY_REF.
1732
1733         * config/rs6000/rs6000.c (altivec_expand_builtin): Go passed
1734         ARRAY_REF also to get to the STRING_CST.
1735
1736 2004-08-24  Paul Brook  <paul@codesourcery.com>
1737
1738         * config/arm/arm.c (arm_override_options): Update error message.
1739         * config/arm/arm.h (TARGET_HARD_FLOAT): Rename to
1740         TARGET_HARD_FLOAT_ABI.
1741         (TARGET_SOFT_FLOAT_ABI): Rename to TARGET_HARD_FLOAT.
1742         (LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Use TARGET_HARD_FLOAT_ABI.
1743
1744 2004-08-24  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
1745
1746         PR target/17093
1747         * config/m32r.md (movsi_sda): Add SI mode specification to
1748         UNSPEC.
1749
1750 2004-08-24  Nick Clifton  <nickc@redhat.com>
1751
1752         * config/m32r/m32r.h (PREDICATE_CODES): Remove duplicate definition
1753         of seth_add3_operand.
1754
1755 2004-08-24  Nathan Sidwell  <nathan@codesourcery.com>
1756
1757         * Makefile.in (PROTO_OBJS): Add errors.o.
1758         * protoize.c (fancy_abort): Remove.
1759         * mips-tfile.c (fancy_abort): Add parameters.
1760
1761 2004-08-24  Jonathan Wakely  <redi@gcc.gnu.org>
1762
1763         * doc/trouble.texi (C++ misunderstandings): Fix example code.
1764
1765 2004-08-24  Andreas Tobler  <a.tobler@schweiz.ch>
1766
1767         * Makefile.in (HOOKS_H): Add dependency on MACHMODE_H.
1768         (host-default.o): Add dependency on HOOKS_H.
1769         * config/x-linux: Likewise.
1770         * config/x-solaris: Likewise.
1771         * config/i386/x-mingw32: Likewise.
1772         * config/rs6000/x-darwin: Likewise.
1773
1774 2004-08-23  James E Wilson  <wilson@specifixinc.com>
1775
1776         * reg-notes.def (REG_NOTE): In comment, change DEF_INSN_NOTE to
1777         DEF_REG_NOTE.
1778
1779 2004-08-23  Mark Mitchell  <mark@codesourcery.com>
1780
1781         PR c/14492
1782         * dwarf2out.c (loc_descriptor_from_tree): Robustify.
1783
1784 2004-08-23  Diego Novillo  <dnovillo@redhat.com>
1785
1786         * cfg.c (check_bb_profile): Fix typos.
1787         * function.c (assign_parm_is_stack_parm): Likewise.
1788         * tree-nested.c: Likewise.
1789
1790 2004-08-23  Daniel Jacobowitz  <dan@debian.org>
1791
1792         * ggc-zone.c (struc alloc_chunk): Rearrange flag bits and SIZE.
1793         Remove TYPECODE.
1794         (ggc_alloc_zone_1): Mark TYPE as unused.  Don't save it in the chunk.
1795
1796 2004-08-23  Eric Christopher  <echristo@redhat.com>
1797
1798         * defaults.h (VECTOR_MODE_SUPPORTED_P): Remove macro.
1799         * system.h (VECTOR_MODE_SUPPORTED_P): Poison.
1800         * target-def.h (TARGET_VECTOR_MODE_SUPPORTED_P): Define.
1801         * target.h: Ditto.
1802         * hooks.h: Include machmode.h.
1803         (hook_bool_mode_false): Declare.
1804         * hooks.c (hook_bool_mode_false): Define.
1805         * expr.c (vector_mode_valid_p): Use targetm.vector_mode_supported_p.
1806         * stor-layout.c (layout_type): Ditto.
1807         * config/alpha/alpha.c (alpha_vector_mode_supported_p): New function.
1808         Define to target macro.
1809         * config/alpha/alpha.h (VECTOR_MODE_SUPPORTED_P): Delete.
1810         * config/arm/arm.c: Ditto. Use.
1811         * config/arm/arm.h: Ditto.
1812         * config/arm/arm-protos.h: Ditto.
1813         * config/i386/i386.c: Ditto.
1814         * config/i386/i386.h: Ditto.
1815         * config/rs6000/rs6000.c: Ditto.
1816         * config/rs6000/rs6000.h: Ditto.
1817         * config/sh/sh.c: Ditto.
1818         * config/sh/sh.h: Ditto.
1819         * config/sh/sh-protos.h: Ditto.
1820         * config/sh/sh.md: Use.
1821         * doc/tm.texi: Move documentation for VECTOR_MODE_SUPPORTED_P
1822         to TARGET_VECTOR_MODE_SUPPORTED_P.
1823
1824 2004-08-23  Nathan Sidwell  <nathan@codesourcery.com>
1825
1826         * Makefile.in (BUILD_ERRORS): Set to build-errors.
1827         (errors.o): New target for host.
1828         (build-errors.o): New target for build.
1829         (genobjs): Replace errors.o with build-errors.
1830         (gengenrtl$(buildexeext)): Add $(BUILD_ERRORS).
1831         (GCOV_OBJS, GCOV_DUMP_OBJS): Add errors.o.
1832         (fix-headers$(build_exeext)): Add $(BUILD_ERRORS).
1833         (fix-header.o): Add errors.h
1834         * collect2.c (fancy_abort): Add parameters.
1835         * collect2.h (fancy_abort): Don't declare.
1836         * errors.h (fancy_abort): Don't declare.
1837         * errors.c: Include either bconfig.h or config.h.
1838         (fancy_abort): Trim filename.
1839         * fix-header.c (v_fatal, fatal): Remove.
1840         (progname): Remove definition.
1841         (main): Set progname here.
1842         * gcc.c (fancy_abort): Add parameters.
1843         * gcc.h (fancy_abort): Remove declaration.
1844         * gcov.c (fancy_abort): Remove.
1845         * rtl.h (fancy_abort): Don't declare.
1846         (abort): Don't define.
1847         * tree.h (fancy_abort): Don't declare.
1848         (abort): Don't define.
1849         * system.h (fancy_abort): Declare.
1850         (abort): Define to fancy_abort.
1851         * fixinc/Makefile.in (ALLOBJ): Add ../build-errors.o
1852
1853         * tree.h (enum size_type_kind): Remove USIZETYPE, UBITSIZETYPE.
1854         (usize_type, ubitsizetype): Remove.
1855         * stor-layout.c (set_sizetype): Don't initialize usizetype,
1856         ubitsizetype.
1857         * fold-const.c (size_diffop): TYPE can never be ubitsizetype.
1858
1859         * tree.h (build_distinct_type_copy): New.
1860         (build_type_copy): ... here.  Rename to ...
1861         (build_variant_type_copy): ... here.
1862         * tree.c (build_qualified_type): Rename build_type_copy call.
1863         (build_distinct_type_copy): New, broken out of ...
1864         (build_type_copy): ... here.  Rename to ...
1865         (build_variant_type_copy): ... here.  Use
1866         build_distinct_type_copy.
1867         (build_common_tree_nodes_2): Rename build_type_copy call.
1868         * c-common.c (c_common_nodes_and_builtins): Rename build_type_copy
1869         call.
1870         (handle_packed_attribute, handle_unused_attribute,
1871         handle_transparanet_union_attribute, handle_aligned_attribute,
1872         handle_deprecated_attribute): Likewise.
1873         * c-decl.c (clone_underlying_type, store_parm_decls_oldstyle):
1874         Likewise.
1875         * config/arm/arm.c (arm_handle_isr_attribyte): Likewise.
1876         * config/rs6000/rs6000.c (rs6000_init_builtins): Use
1877         build_distinct_type_copy.
1878
1879 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1880
1881         * config/mips/mips.md (mfhilo_[sd]i): Redefine using :GPR.  Add mode
1882         attribute.
1883
1884 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1885
1886         * config/mips/mips.md (length): Don't use mips_fetch_insns for indexed
1887         loads and stores.
1888         (*lwxc1_<mode>, *ldxc1_<mode>, *swxc1_<mode>, *sdxc1_<mode>): Name
1889         formerly unnamed patterns.  Redefine using :P for the address.  Remove
1890         explicit length attributes.
1891
1892 2004-08-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1893
1894         * tree-ssa-loop-im.c (fem_single_reachable_address, for_each_memref):
1895         New functions.
1896         (single_reachable_address): Use them.
1897         (schedule_sm): Add dump.
1898         (is_call_clobbered_ref): New function.
1899         (determine_lsm_reg): Check whether the reference is call clobbered.
1900         Only work for gimple_reg_type values.
1901
1902 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1903
1904         * config/mips/mips.md (*mov<mode>_ra): Name previously unnamed MIPS16
1905         $31 store insns.  Redefine using :GPR.
1906
1907 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1908
1909         * config/mips/mips.md (P): New mode macro.
1910         (*xgot_hi[sd]i, *xgot_lo[sd]i, *got_disp[sd]i, *got_page[sd]i)
1911         (*load_got[sd]i, *low[sd]i, *low[sd]i_mips16): Redefine using :P.
1912         Add mode attributes.
1913
1914 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1915
1916         * config/mips/mips.md (UNSPEC_[LS][WD][LR]): Delete in favor of...
1917         (UNSPEC_{LOAD,STORE}_{LEFT,RIGHT}): ...these new constants.  Shuffle
1918         later constants to cover the gap.
1919         (load, store): New mode attributes.
1920         (mov_l[wd]l, mov_l[wd]r, mov_s[wd]l, mov_s[wd]r): Redefine using :GPR.
1921         Use new unspec constants.
1922
1923 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1924
1925         * config/mips/mips.md (one_cmpl[sd]i2): Redefine using :GPR.
1926         (and[sd]3, ior[sd]i3, xor[sd]i3): Likewise.  Change 32-bit patterns
1927         to use register_operand rather than uns_arith_operand as the predicate
1928         for operand 1.  Remove redundant MIPS16 force_reg() for operand 1.
1929         (*and[sd]i3, *ior[sd]i3, *xor[sd]i3): Name formerly unnamed patterns.
1930         Redefine using :GPR.  Make same predicate change here.  Extend the
1931         commutativity of operands 1 and 2 from the SImode version to the
1932         DImode one.
1933         (*and[sd]i3_mips16, *ior[sd]i3_mips16, *xor[sd]i3_mips16): Likewise,
1934         but with no predicate changes.
1935         (*nor[sd]i3): Redefine using :GPR.
1936
1937 2004-08-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1938
1939         * tree-ssa-operands.c (get_call_expr_operands): Add VUSE operands for
1940         noreturn functions.
1941
1942 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1943
1944         * config/mips/mips.h (ISA_HAS_DCLZ_DCLO): Delete.
1945         * config/mips/mips.md (abs[sd]i2): Redefine using :GPR.  Only use
1946         branch-likely insns for absdi2 if GENERATE_BRANCHLIKELY.  Use "%."
1947         rather than "%z2" (with a fake const0_rtx for operand 2).
1948         (ffs[sd]i2): Redefine using :GPR.
1949         (clz[sd]i2): Likewise.  Use ISA_HAS_CLO_CLZ for the 64-bit case.
1950
1951 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1952
1953         * config/mips/mips.md ({,u}divmod[sd]i4): Redefine using :GPR.
1954
1955 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1956
1957         * config/mips/mips.md (any_extend): New code macro.
1958         (u, su): New code attributes.
1959         ({,u}mulsidi3, {,u}mulsidi3_32bit_internal, {,u}mulsidi3_32bit_r4000)
1960         ({u,s}mulsi3_highpart, {u,s}mulsi3_highpart_internal)
1961         ({u,s}mulsi3_highpart_mulhi_internal, {s,u}muldi3_highpart)
1962         (*{s,u}mul_acc_di): Redefine using any_extend.
1963         (*{,u}muls_di, *{s,u}msac_di): Likewise.  Change names of patterns
1964         to reflect real insn names.
1965         (*mulsidi3_64bit, *mulsidi3_64bit_parts): Replace use of match_operator
1966         with an any_extend template.
1967         ({u,s}mulsi3_highpart_neg_mulhi_internal): Redefine using any_extend.
1968         Add '*' to name.
1969
1970 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1971
1972         * config/mips/mips.h (GENERATE_MULT3_SI): Check TARGET_MAD.
1973         * config/mips/mips.md (mul[sd]i3, mul[sd]i3_internal)
1974         (mul[sd]i3_r4000): Redefine using :GPR.
1975         (mulsi3_mult3): Don't check TARGET_MAD separately.
1976         (muldi3_mult3): Moved after mulsi_mult3.
1977
1978 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1979
1980         * config.gcc (mips-*-*): Remove definitions of MASK_GAS and
1981         OBJECT_FORMAT_ELF.  Set MASK_SPLIT_ADDR by default if using GNU ld.
1982         * config/mips/mips.h (MASK_GAS): Delete.  Shuffle later masks down.
1983         (TARGET_GAS, TARGET_MIPS_AS): Delete.
1984         (TARGET_GPWORD): Define to true for n32 on IRIX.
1985         (TARGET_SWITCHES): Remove -mmips-as.  Turn -mgas into a no-op.
1986         (MIPS_AS_ASM_SPEC, SUBTARGET_MIPS_AS_ASM_SPEC): Delete.
1987         (GAS_ASM_SPEC): Delete, folding into ASM_SPEC.
1988         (ASM_ABI_DEFAULT_SPEC, TARGET_ASM_SPEC): Delete.
1989         (MDEBUG_ASM_SPEC): Delete, folding into...
1990         (SUBTARGET_ASM_DEBUGGING_SPEC): ...here.
1991         (ASM_SPEC): Inline old GAS_ASM_SPEC.  Use GNU names for ABI switches.
1992         (EXTRA_SPECS): Remove mips_as_asm_spec, gas_asm_spec, target_asm_spec,
1993         subtarget_mips_as_asm_spec, mdebug_asm_spec.  Use MULTILIB_ABI_DEFAULT
1994         to define asm_abi_default_spec.
1995         (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP): Delete.
1996         (TARGET_ASM_SELECT_SECTION): Delete.
1997         * config/mips/mips.c (MIPS_MAX_FIRST_STACK_STEP): Define to 0x7ff0
1998         for non-mips16 code, removing previous workaround for SGI assemblers.
1999         (TARGET_ASM_INTEGER, mips_assemble_integer): Delete.
2000         (TARGET_ASM_ALIGNED_DI_OP): Define this instead.
2001         (override_options): Remove !TARGET_GAS and !have_named_sections code.
2002         (print_operand): Fold TARGET_GAS conditionals into asm strings.
2003         (mips_output_filename): Remove !TARGET_GAS code.  Replace use of
2004         ASM_STABS_OP and ASM_STABN_OP.
2005         (mips_file_start): Remove TARGET_MIPS_AS/TARGET_GAS checks.
2006         (mips_output_aligned_decl_common): Remove mention of SGI o32 assembler.
2007         (mips_output_function_prologue): Remove !TARGET_GAS code.
2008         (mips_select_rtx_section): Remove !have_named_sections code.
2009         (mips_select_section): Delete.
2010         * config/mips/mips.md (trap): Remove !TARGET_GAS check.
2011         * config/mips/linux.h (TARGET_DEFAULT): Remove use of MASK_GAS.
2012         * config/mips/sdb.h (PUT_SDB_DEF, PUT_SDB_PLAIN_DEF): Delete.
2013         (PUT_SDB_BLOCK_START, PUT_SDB_BLOCK_END): Fold TARGET_GAS conditional.
2014         * config/mips/vxworks.h (ASM_SPEC): As for mips.h.
2015         * config/mips/windiss.h (ASM_SPEC): Likewise.
2016
2017 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
2018
2019         * read-rtl.c (map_value, mapping, macro_group): New structures.
2020         (BELLWETHER_CODE): New macro.
2021         (modes, codes, bellwether_codes): New variables.
2022         (find_mode, uses_mode_macro_p, apply_mode_macro, find_code)
2023         (uses_code_macro_p, apply_code_macro, apply_macro_to_string)
2024         (apply_macro_to_rtx, uses_macro_p, add_condition_to_string)
2025         (add_condition_to_rtx, apply_macro_traverse, add_mapping)
2026         (add_map_value, initialize_macros): New functions.
2027         (def_hash, def_hash_eq_p): Generalize to anything that points to,
2028         or starts with, a char * field.
2029         (find_macro, read_mapping, check_code_macro): New functions.
2030         (read_rtx_1): New, split out from read_rtx.  Handle the new
2031         define_{mode,code}_{macro,attr} constructs.  Use find_macro
2032         to parse the name of a code or mode.  Use BELLWETHER_CODE to
2033         extract the format and to choose a suitable code for rtx_alloc.
2034         Modify recursive invocations to use read_rtx_1.
2035         (read_rtx): Call initialize_macros.  Apply code and mode macros
2036         to the rtx returned by read_rtx_1.  Cache everything after the
2037         first macro expansion for subsequent read_rtx calls.
2038         * doc/md.texi: Document new .md constructs.
2039         * config/mips/mips.md (GPR): New mode macro.
2040         (d, si8_di5): New mode attributes.
2041         (any_cond): New code macro.
2042         (add[sd]i3): Redefine using :GPR.
2043         (*add[sd]i3): Likewise, renaming from add[sd]i3_internal.
2044         (*add[sd]i3_sp[12], *add<mode>3_mips16): Redefine using :GPR, naming
2045         previously unnamed MIPS16 patterns.
2046         (*addsi3_extended): Renamed from addsi3_internal_2.  Fix overly long
2047         lines.  Don't match (plus (const_int 0) ...).
2048         (*addsi3_extended_mips16): Name previously unnamed MIPS16 pattern.
2049         Use a define_split to generate the addition.
2050         (sub[sd]i3): Redefine using :GPR.  Turn subsi3 into a define_insn.
2051         (subsi3_internal): Delete.
2052         (*subsi3_extended): Renamed from subsi3_internal_2.
2053         (bunordered, bordered, bunlt, bunge, buneq, bltgt, bunle, bungt)
2054         (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Redefine
2055         using an any_cond template.
2056
2057 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
2058
2059         * read-rtl.c (read_rtx): Tidy use of format_ptr.
2060
2061 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
2062
2063         * read-rtl.c (string_obstack): New file-scope variable.
2064         (read_string, read_quoted_string, read_braced_string)
2065         (read_escape): Remove obstack parameter and use string_obstack instead.
2066         (read_rtx): Remove function-local rtl_obstack and initialize
2067         string_obstack instead.  Update call to read_string.
2068
2069 2004-08-22  Andrew Pinski  <apinski@apple.com>
2070
2071         PR c/15262
2072         * c-typeck.c (build_unary_op): Use &a.b if the foldded lowered
2073         expression is not constant.
2074         (c_finish_return): Do not go through INDIRECT_REF when looking
2075         for the inner expression of an ADDR_EXPR for warning about.
2076
2077 2004-08-22  Richard Henderson  <rth@redhat.com>
2078
2079         PR 17075
2080         * cfgexpand.c (expand_gimple_tailcall): Detect when we can both
2081         create new blocks and fall through.
2082         (expand_gimple_basic_block): Update to match.
2083
2084 2004-08-22  Ulrich Weigand  <uweigand@de.ibm.com>
2085
2086         * reload.c (find_reloads_address): Make return value tri-state.
2087         Return -1 if LEGITIMIZE_RELOAD_ADDRESS succeeded.
2088         (find_reloads): Assume that reloaded addresses match 'o' or
2089         EXTRA_MEMORY_CONSTRAINT constraints only if find_reloads_address
2090         returned 1 (not -1).  Omit optional reloads for address operands
2091         only if find_reloads_address returned 1 (not -1).
2092
2093         * config/s390/s390.c (legitimize_reload_address): New function.
2094         * config/s390/s390-protos.h (legitimize_reload_address): Declare.
2095         * config/s390/s390.h (LEGITIMIZE_RELOAD_ADDRESS): Define.  Call
2096         legitimize_reload_address.
2097
2098 2004-08-22  Richard Hendersion  <rth@redhat.com>
2099
2100         * tree.h (SAVE_EXPR_RESOLVED_P): New.
2101         * gimplify.c (gimplify_save_expr): Use it.
2102         * expr.c (expand_expr_real_1): Likewise.  Also set DECL_IGNORED_P
2103         on the temporary variable.
2104
2105 2004-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
2106
2107         * fold-const.c (rtl_expr_nonnegative_p): Delete.
2108         * tree.h (rtl_expr_nonnegative_p): Remove.
2109
2110 2004-08-22  Steven Bosscher  <stevenb@suse.de>
2111
2112         * config/i386/ppro.md (ppro_complex_insn): Add missing check
2113         for cpu==pentiumpro.
2114
2115         * combine.c (struct reg_stat): Fix comment typo.
2116
2117 2004-08-22  Joseph S. Myers  <jsm@polyomino.org.uk>
2118
2119         * c-tree.h (c_sizeof_nowarn): Remove.
2120
2121 2004-08-21  Joseph S. Myers  <jsm@polyomino.org.uk>
2122
2123         * c-decl.c (set_array_declarator_type): Rename to
2124         set_array_declarator_inner.
2125         (build_c_parm, build_attrs_declarator, build_function_declarator):
2126         New functions.
2127         (make_pointer_declarator): Call build_attrs_declarator.
2128         * c-tree.h (set_array_declarator_type): Rename to
2129         set_array_declarator_inner.
2130         (build_c_parm, build_attrs_declarator, build_function_declarator):
2131         New prototypes.
2132         * c-parse.in (after_type_declarator,
2133         parm_declarator_starttypename, parm_declarator_nostarttypename,
2134         notype_declarator, absdcl_maybe_attribute, direct_absdcl1, parm,
2135         firstparm): Use these functions
2136
2137 2004-08-21  Joseph S. Myers  <jsm@polyomino.org.uk>
2138
2139         * c-decl.c (build_array_declarator, set_array_declarator_type,
2140         start_decl, grokdeclarator, grokparms): Change boolean parameters
2141         to type bool.
2142         * c-tree.h (build_array_declarator, set_array_declarator_type,
2143         start_decl): Update prototypes.
2144         * c-decl.c, c-parse.in: All callers changed.
2145
2146 2004-08-21  Mike Stump  <mrs@apple.com>
2147
2148         * config/rs6000/darwin.h (SUBTARGET_OPTIONS): Move from here, to...
2149         (darwin_fix_and_continue): Likewise.
2150         (darwin_fix_and_continue_switch): Likewise.
2151         * config/darwin.h (SUBTARGET_OPTIONS): ...here, to fix -mone-byte-bool.
2152         (darwin_fix_and_continue): Likewise.
2153         (darwin_fix_and_continue_switch): Likewise.
2154
2155 2004-08-21  Danny Smith  <dannysmith@users.sourceforge.net>
2156
2157         PR  c++/16030
2158         * config/i386/winnt/c (gen_stdcall_suffix, gen_fastcall_suffix):
2159         Remove, merging into ...
2160         (gen_stdcall_or_fastcall_suffix): New function, returning tree
2161         rather than const char*, and accepting additional parameter.
2162         Don't add suffix to '*'-prefixed symbols or variadic functions.
2163         (i386_pe_encode_section_info): Adjust for call to new function.
2164         Call change_decl_assembler_name.
2165
2166 2004-08-20  Mike Stump  <mrs@apple.com>
2167
2168         * config/darwin.c (machopic_indirect_data_reference): Mark
2169         stubs as defined.
2170         * config/386/386.c (darwin_local_data_pic): Add.
2171         (legitimate_constant_p): Reorder so that PLUS handling runs
2172         before darwin_local_data_pic to match the ordering in
2173         legitimate_pic_address_disp_p and so that MINUS runs after
2174         darwin_local_data_pic as otherwise the darwin_local_data_pic
2175         logic can be skipped, which would be very bad.
2176         (legitimate_pic_address_disp_p): Move from from here to
2177         darwin_local_data_pic so it can be reused.
2178
2179 2004-08-21  Alan Modra  <amodra@bigpond.net.au>
2180
2181         * config/rs6000/linux64.h (DOT_SYMBOLS): Define.
2182         (CRT_CALL_STATIC_FUNCTION): Define !DOT_SYMBOLS version.
2183         (ASM_DECLARE_FUNCTION_SIZE): Modify for !DOT_SYMBOLS.
2184         (ASM_OUTPUT_SOURCE_LINE, DBX_OUTPUT_BRAC, DBX_OUTPUT_NFUN): Likewise.
2185         (RS6000_ABI_NAME): Define as "linux".
2186         (SUBSUBTARGET_OVERRIDE_OPTIONS): Set dot_symbols.
2187         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Select
2188         ABI_AIX when rs6000_abi_name is "linux" and TARGET_64BIT.
2189         * config/rs6000/rs6000-protos.h (rs6000_output_function_entry): Decl.
2190         * config/rs6000/rs6000.c (dot_symbols): New global var.
2191         (rs6000_output_function_entry): New function, modified for
2192         !DOT_SYMBOLS..
2193         (print_operand <case 'z'>): ..extracted from here.
2194         (rs6000_assemble_visibility): Modify for !DOT_SYMBOLS.
2195         (rs6000_output_function_epilogue): Likewise.
2196         (rs6000_elf_declare_function_name): Likewise.
2197         * config/rs6000/rs6000.h (DOT_SYMBOLS): Define.
2198         (ASM_WEAKEN_DECL, ASM_OUTPUT_DEF_FROM_DECLS): Modify for !DOT_SYMBOLS.
2199         * configure.ac (HAVE_LD_NO_DOT_SYMS): Add new AC_DEFINE.
2200         * configure: Regenerate.
2201         * config.in: Regenerate.
2202
2203 2004-08-20  Mark Mitchell  <mark@codesourcery.com>
2204
2205         * reload.c (find_reloads_address): Fix thinko in previous change.
2206
2207         * reload.c (find_reloads_address): Reload the sum of a LO_SUM and
2208         a CONST_INT.
2209
2210 2004-08-20  Jakub Jelinek  <jakub@redhat.com>
2211
2212         PR rtl-optimization/17099
2213         * combine.c (force_to_mode): Check if inner_mask has any bits set
2214         outside of GET_MODE (x) instead of op_mode.
2215
2216 2004-08-20  Mark Mitchell  <mark@codesourcery.com>
2217
2218         * config.gcc (arm*-*-symbianelf*): Add t-symbian Makefile
2219         fragment.
2220         * config/arm/bpabi.h (RENAME_LIBRARY_SET): Fix typo.
2221         (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=3 to the assembler.
2222         * config/arm/symbian.h (SUBTARGET_CPU_DEFAULT): Assume ARMV5
2223         architecture.
2224         (SUBTARGET_ASM_FLOAT_SPEC): Default to -mfpu=vfp for hard-float
2225         configurations.
2226         * config/arm/t-symbian: New file.
2227
2228 2004-08-20  Andrew Pinski  <apinski@apple.com>
2229
2230         * regrename.c (kill_value_regno): ANSIfy.
2231
2232 2004-08-20  Dale Johannesen  <dalej@apple.com>
2233
2234         * config/rs6000/rs6000.c (rs6000_rtx_costs): Improve DIV/MOD.
2235
2236 2004-08-20  Daniel Jacobowitz  <dan@debian.org>
2237
2238         * regrename.c (kill_value_one_regno): Renamed from kill_value_regno.
2239         (kill_value_regno): New function, derived from kill_value.
2240         (kill_value): Update.
2241         (copyprop_hardreg_forward_1): Update call to kill_value_regno.
2242
2243 2004-08-20  Daniel Berlin  <dberlin@dberlin.org>
2244
2245         Fix PR tree-optimization/17111
2246         * tree-ssa-pre.c (create_value_expr_from): Don't change the types
2247         of non-value_handles.
2248         (bitmap_set_contains): All constants are in every set.
2249
2250 2004-08-20  Nathan Sidwell  <nathan@codesourcery.com>
2251
2252         * fold-const.c (round_up, round_down): Use build_int_cst.
2253         Optimize common case.
2254
2255 2004-08-20  Zack Weinberg  <zack@codesourcery.com>
2256             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2257
2258         * config/pa/pa-protos.h (readonly_data, one_only_readonly_data_section,
2259         one_only_data_section): Rename to som_readonly_data_section,
2260         som_one_only_readonly_data_section and som_one_only_data_section.
2261         * config/pa/pa.c (ONE_ONLY_TEXT_SECTION_ASM_OP,
2262         NEW_TEXT_SECTION_ASM_OP, DEFAULT_TEXT_SECTION_ASM_OP): Delete
2263         conditional defines.
2264         (som_text_section_asm_op): Replace ONE_ONLY_TEXT_SECTION_ASM_OP,
2265         NEW_TEXT_SECTION_ASM_OP and DEFAULT_TEXT_SECTION_ASM_OP with actual
2266         string values.
2267         (pa_select_section): Use renamed section functions.
2268         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
2269         SOM_READONLY_DATA_SECTION_FUNCTION,
2270         SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
2271         SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION):
2272         Define here ...
2273         * config/pa/som.h: ... not here.
2274         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
2275         ONE_ONLY_TEXT_SECTION_ASM_OP, READONLY_DATA_ASM_OP,
2276         ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
2277         ONE_ONLY_DATA_SECTION_ASM_OP): Delete.
2278         (READONLY_DATA_SECTION): Use som_readonly_data_section.
2279
2280 2004-08-20  Nathan Sidwell  <nathan@codesourcery.com>
2281
2282         * fold-const.c (int_const_binop): Don't generate non-overflowing
2283         size-types specially.
2284         (fold_convert_const): Likewise.
2285
2286         * stor-layout.c (initialize_sizetypes): Set SIZETYPE earlier,
2287         clear cache on copied sizetype.
2288
2289 2004-08-20  Ben Elliston  <bje@au.ibm.com>
2290
2291         * configure.ac: Don't escape apostrophe in --enable-coverage help.
2292         * configure: Regenerate.
2293
2294 2004-08-20  Danny Smith  <dannysmith@users.sourceforge.net>
2295
2296         PR 5620
2297         * gcc.c (struct stat input_stat): Don't define if
2298         HOST_LACKS_INODE_NUMBERS
2299         (do_spec_1): If HOST_LACKS_INODE_NUMBERS, use lrealpath rather
2300         than stat to determine if temp file is same as input file.
2301         * doc/hostconfig.texi: Document HOST_LACKS_INODE_NUMBERS.
2302         * config/i386/xm-mingw32.h: Define HOST_LACKS_INODE_NUMBERS
2303
2304 2004-08-20  Richard Sandiford  <rsandifo@redhat.com>
2305
2306         * configure.ac (mips*-*-*): Print an error if not using GAS.
2307         * configure: Regenerated.
2308         * doc/install.texi: Remove irix5 bullet from --with-gnu-as.  Remove
2309         comments about buggy MIPSpro assemblers.
2310         * config.gcc (mips-sgi-irix[56]*): Combine stanzas.  Include elfos.h
2311         before mips.h and iris.h after it.  Use t-iris and t-slibgcc-irix.
2312         Use iris5.h only for IRIX 5 configs.  Use iris6.h and t-iris6 for
2313         IRIX 6 configs.  Define IRIX_USING_GNU_LD if using GNU ld.
2314         * config/mips/iris5.h (TARGET_IRIX, SWITCHES_NEED_SPACES)
2315         (DEFAULT_SIGNED_CHAR, WORD_SWITCH_TAKES_ARG, SUBTARGET_CC1_SPEC)
2316         (NO_IMPLICIT_EXTERN_C, MIPS_DEFAULT_GVALUE)
2317         (TARGET_ASM_EXTERNAL_LIBCALL): Move to iris.h.
2318         (WCHAR_TYPE, WCHAR_TYPE_SIZE, TARGET_OS_CPP_BUILTINS): Delete in favor
2319         of more general IRIX 6 definitions.
2320         (OBJECT_FORMAT_ELF, ASM_OUTPUT_ASCII, ASM_WEAKEN_LABEL)
2321         (HANDLE_SYSV_PRAGMA): Delete in favor of elfos.h definitions.
2322         (TARGET_IRIX5, ABICALLS_ASM_OP, BSS_SECTION_ASM_OP, HAS_INIT_SECTION)
2323         (LD_INIT_SWITCH, LD_FINI_SWITCH, SUBTARGET_ASM_OPTIMIZING_SPEC)
2324         (ASM_FINAL_SPEC, DBX_DEBUGGING_INFO, MIPS_DEBUGGING_INFO)
2325         (PREFERRED_DEBUGGING_TYPE, DWARF2_UNWIND_INFO, SET_FILE_NUMBER)
2326         (LABEL_AFTER_LOC, DOLLARS_IN_IDENTIFIERS, NO_DOLLAR_IN_LABEL)
2327         (TARGET_ASM_NAMED_SECTION, EXTRA_SECTION_FUNCTIONS)
2328         (ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_WEAK_ALIAS)
2329         (SUBTARGET_EXTRA_SPECS): Delete definitions or undefs.
2330         (LINK_SPEC): Move most of definition to iris.h.
2331         (SUBTARGET_LINK_SPEC): New macro.
2332         (IRIX_STARTFILE_SPEC): Fold into...
2333         (STARTFILE_SPEC): ...here.
2334         (IRIX_ENDFILE_SPEC): Fold into...
2335         (ENDFILE_SPEC): ...here.
2336         * config/mips/iris6.h (TARGET_IRIX5): Remove override.
2337         (WCHAR_TYPE, WCHAR_TYPE_SIZE, WINT_TYPE, WINT_TYPE_SIZE)
2338         (DWARF_OFFSET_SIZE, DWARF_INITIAL_LENGTH_SIZE, SET_ASM_OP)
2339         (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES, ASM_DECLARE_OBJECT_NAME)
2340         (ASM_FINISH_DECLARE_OBJECT, LOCAL_LABEL_PREFIX): Move to iris.h.
2341         (TARGET_OS_CPP_BUILTINS): Likewise.  Guard IRIX6-specific bits.
2342         (DWARF2_UNWIND_INFO, DWARF2_GENERATE_TEXT_SECTION_LABEL)
2343         (SUBTARGET_CPP_SPEC, DWARF2_DEBUGGING_INFO, MIPS_DEBUGGING_INFO)
2344         (PREFERRED_DEBUGGING_TYPE, DWARF2_FRAME_INFO, MD_EXEC_PREFIX)
2345         (ASM_DECLARE_FUNCTION_NAME, ASM_DECLARE_FUNCTION_SIZE)
2346         (FUNCTION_NAME_ALREADY_DECLARED, SUPPORTS_INIT_PRIORITY)
2347         (POPSECTION_ASM_OP, SUBTARGET_ASM_SPEC, SUBTARGET_MIPS_AS_ASM_SPEC)
2348         (SUBTARGET_ASM_DEBUGGING_SPEC, SUBTARGET_ASM_OPTIMIZING_SPEC)
2349         (BSS_SECTION_ASM_OP*, READONLY_DATA_SECTION_ASM_OP*)
2350         (EH_FRAME_SECTION_NAME, MUST_USE_SJLJ_EXCEPTIONS, CTORS_SECTION_ASM_OP)
2351         (DTORS_SECTION_ASM_OP, TARGET_ASM_NAMED_SECTION, EH_FRAME_SECTION_NAME)
2352         (ASM_OUTPUT_ALIGN, ASM_OUTPUT_FILENAME, ASM_OUTPUT_ALIGNED_LOCAL)
2353         (ASM_OUTPUT_ALIGNED_BSS): Remove definitions or undefs.
2354         (TARGET_IRIX6): Define to 1.
2355         (DRIVER_SELF_SPECS): Define.
2356         (DWARF2_FRAME_INFO): Define to 1 rather than !TARGET_SGI_O32_AS.
2357         (SUBTARGET_CC1_SPEC): Remove in favor of DRIVER_SELF_SPECS.
2358         (SUBTARGET_LINK_SPEC): New macro.
2359         (IRIX_STARTFILE_SPEC): Fold into...
2360         (STARTFILE_SPEC): ...here.  Remove !mabi=* case.
2361         (SUBTARGET_{,DONT_}WARN_UNUSED_SPEC): New macros.
2362         (LIB_SPEC, LIBGCC_SPEC): Use them.
2363         (LIB_SPEC): Remove !mabi=* case.
2364         (IRIX_ENDFILE_SPEC): Fold into...
2365         (ENDFILE_SPEC): ...here.  Remove !mabi=* case.
2366         * config/mips/mips-protos.h (irix_output_external_libcall): Delete.
2367         * config/mips/mips.h (TARGET_IRIX5, TARGET_SGI_O32_AS): Delete.
2368         (TARGET_IRIX6): New macro.
2369         (ASM_ABI_DEFAULT_SPEC): Remove !ELF definition.
2370         (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX, SET_FILE_NUMBER)
2371         (LABEL_AFTER_LOC): Delete.
2372         * config/mips/mips.c (TARGET_ASM_FILE_START, TARGET_ASM_FILE_END)
2373         (TARGET_SECTION_TYPE_FLAGS): Remove TARGET_IRIX versions.
2374         (mips_build_builtin_va_list): Check TARGET_IRIX6.
2375         (override_options): Remove TARGET_SGI_O32_AS-related code.
2376         (irix_output_external_libcall): Make static.
2377         (mips_output_filename): Avoid use of SET_FILE_NUMBER and
2378         LABEL_AFTER_LOC.
2379         (mips_file_start): Tidy guard for ABI sections.  Remove use of
2380         ABICALLS_ASM_OP; use .abicalls instead.
2381         (mips_output_aligned_decl_common, mips_declare_object_name)
2382         (mips_finish_declare_object): Remove use of TARGET_SGI_O32_AS.
2383         (mips_output_function_prologue): Set TREE_ASM_WRITTEN if emitting
2384         .globl foo .text directives.
2385         (irix_asm_named_section_1, irix_asm_named_section)
2386         (irix_section_align_entry, irix_section_align_htab)
2387         (irix_orig_asm_out_file, irix_section_align_entry_eq)
2388         (irix_section_align_entry_hash, irix_asm_output_align)
2389         (irix_file_start, irix_section_align_1, copy_file_data)
2390         (irix_file_end, irix_section_type_flags): Delete.
2391         * config/mips/irix-crti.asm (__gcc_init): Move to .gcc_init section.
2392         Use standard section syntax.  Remove protective "jr $31".
2393         (__gcc_fini): Likewise .gcc_fini.
2394         * config/mips/irix-crtn.asm: Adjust sections accordingly.
2395         * config/mips/sdb.h (PUT_SDB_SIZE, PUT_SDB_TYPE): Moved from
2396         iris5gas.h.
2397         * config/mips/t-iris (irix-crti.o, irix-crtn.o): New rules, moved
2398         from t-irix-gld.
2399         (EXTRA_MULTILIB_PARTS): Define.
2400         * config/mips/t-iris6: Remove bogus comment.
2401         (EXTRA_MULTILIB_PARTS, CRTSTUFF_T_CFLAGS): Delete.
2402         * config/mips/iris5gas.h, config/mips/iris5gld.h,
2403         config/mips/iris6gas.h, config/mips/iris6gld.h,
2404         config/mips/t-iris5-as, config/mips/t-iris5-gas
2405         config/mips/t-irix-gld: Delete.
2406         * config/mips/iris.h: New file.
2407         * config/mips/t-slibgcc-irix: Renamed from t-iris5-6.
2408
2409 2004-08-20  Richard Earnshaw  <rearnsha@arm.com>
2410
2411         * postreload.c (reload_cse_move2add): Allow any condjump, but check
2412         that the implicit set isn't clobbered in the jump insn.
2413
2414 2004-08-19  Mark Mitchell  <mark@codesourcery.com>
2415
2416         * defaults.h (TARGET_LIBGCC_LIBFUNCS): Remove.
2417         * optabs.c (init_optabs): Don't check it.
2418         * config/arm/bpabi.h (TARGET_LIBGCC_LIBFUNCS): Do not define.
2419         * doc/tm.texi (TARGET_LIBGCC_FUNCS): Remove.
2420
2421 2004-08-18  Andreas Krebbel  <krebbel1@de.ibm.com>
2422
2423         * config/s390/s390.md (s390_warn_framesize_string)
2424         (s390_warn_dynamic_string, s390_stack_size_string)
2425         (s390_stack_guard_string): New global string variables.
2426         (s390_warn_framesize, s390_warn_dynamicstack_p, s390_stack_size)
2427         (s390_stack_guard): New global variables.
2428         (override_options): Added checks for the new options.
2429         (s390_emit_prologue): Emit stack check and trap code and perform
2430         compile time stack size checking.
2431
2432         * config/s390/s390.h (TARGET_OPTIONS): Added new options
2433         "warn-framesize", "warn-dynamicstack", "stack-size" and
2434         "stack-guard".
2435
2436         * doc/invoke.texi: Added documentation for the new options.
2437
2438 2004-08-19  Ulrich Weigand  <uweigand@de.ibm.com>
2439
2440         * unwind-dw2-fde.c (get_cie_encoding): Cast argument to strlen
2441         to eliminate warning.
2442         (linear_search_fdes): Declare p as unsigned.
2443         (binary_search_mixed_encoding_fdes): Likewise.
2444         * unwind-dw2.c (get_cie_encoding): Cast argument to strlen
2445         to eliminate warning.
2446         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): Add missing
2447         type cast.
2448
2449 2004-08-19  Ulrich Weigand  <uweigand@de.ibm.com>
2450
2451         * config/s390/s390-protos.h (preferred_la_operand_p): Adapt prototype.
2452         * config/s390/s390.c (preferred_la_operand_p): Accept two operands
2453         instead of one.  Check for strictly legitimate address.
2454         * config/s390/s390.md ("*la_31"/"*la_64" peepholes): Adapt call
2455         to preferred_la_operand_p, do not call gen_rtx_PLUS in predicate.
2456
2457 2004-08-19  Eric Christopher  <echristo@redhat.com>
2458
2459         * langhooks-def.h (LANG_HOOKS_UNSAVE_EXPR_NOW): Remove.
2460         * langhooks.h (unsave_expr_now): Ditto.
2461         * tree.h (unsave_expr_1): Remove prototype.
2462         (lhd_unsave_expr_now): Rename to unsave_expr_now.
2463         * tree-inline.c (unsave_expr_1): Move here
2464         from tree.c. Make static.
2465         (unsave_expr_now): Rename from lhd_unsave_expr_now.
2466         * tree-sra.c: Fix up for rename.
2467         * tree-ssa-copy.c: Ditto.
2468         * tree-eh.c: Ditto.
2469         * tree.c (unsave_expr_1): Move to tree-inline.c.
2470
2471 2004-08-19  Caroline Tice  <ctice@apple.com>
2472
2473         * config/i386/cygming.h (switch_to_section):  Fix typo (change
2474         in_unlikely_text_section to in_unlikely_executed_text).
2475
2476 2004-08-19  Daniel Berlin  <dberlin@dberlin.org>
2477
2478         * vec.h (VEC_lower_bound): New macro.
2479
2480 2004-08-19  Richard Sandiford  <rsandifo@redhat.com>
2481
2482         PR target/16446
2483         * config/mips/mips.c (struct mips_arg_info): Delete num_bytes.
2484         (mips_arg_info): Update accordingly.  Remove common treatment of fpr_p;
2485         treat each ABI separately.  Deal with n32/n64 complex float arguments.
2486         (function_arg): Add associated complex handling here.
2487
2488 2004-08-19  Richard Henderson  <rth@redhat.com>
2489
2490         * config/arm/arm.c (arm_gen_load_multiple): Use
2491         adjust_automodify_address.  Take base memory and offset instead
2492         of unchanging/struct/scalar bits.
2493         (arm_gen_store_multiple): Likewise.
2494         (arm_gen_movmemqi): Use adjust_automodify_address.
2495         * config/arm/arm-protos.h: Update decls.
2496         * config/arm/arm.md (load_multiple): Update arm_gen_load_multiple call.
2497         (store_multiple): Similarly.
2498
2499 2004-08-19  J"orn Rennecke <joern.rennecke@superh.com>
2500
2501         * regclass.c (globalize_reg): Update call_really_used_regs.
2502
2503 2004-08-19  Nathan Sidwell  <nathan@codesourcery.com>
2504
2505         * doc/invoke.texi (integer-share-limit): Document.
2506
2507         * tree.h (TYPE_CACHED_VALUES_P): New.
2508         (TYPE_CACHED_VALUES): New.
2509         (TYPE_ORIG_SIZE_TYPE): Adjust.
2510         * tree.def (INTEGER_CST): Update documentation.
2511         * tree.c: Inlcude params.h.
2512         (build_int_cst): Cache small values.
2513         (build_type_copy): Do not copy the value cache.
2514         * c-common.c (c_common_nodes_and_builtins): Add comment, remove
2515         unneeded zeroing.
2516         * c-typeck.c (build_c_cast): Add comment about OVERFLOW setting.
2517         * expmed.c (const_mult_add_overflow_p): Clear type copy's value
2518         cache.
2519         * fold-const.c (force_fit_type): Copy value when setting
2520         overflows.
2521         (int_const_binop): Likewise.
2522         * stor-layout.c: Include params.h
2523         (set_sizetype): Create values cache.
2524         (fixup_unsigned_type): Set UNSIGNED_P before caching any values.
2525         * params.def (PARAM_INTEGER_SHARE_LIMIT): New.
2526         * params.h (INTEGER_SHARE_LIMIT): New.
2527         * Makefile.in (tree.o, stor-layout.o): Depend on PARAMS_H.
2528
2529 2004-08-19  Paolo Bonzini  <bonzini@gnu.org>
2530
2531         * gimplify.c (gimplify_minimax_expr): Remove.
2532         (gimplify_expr) <MIN_EXPR, MAX_EXPR>: Remove special handling.
2533
2534 2004-08-19  Dorit Naishlos  <dorit@il.ibm.com>
2535
2536         * tree-vectorizer.c (vect_can_force_dr_alignment_p): Replace
2537         STACK_BOUDARY with PREFERRED_STACK_BOUNDARY.
2538
2539 2004-08-19  Mark Mitchell  <mark@codesourcery.com>
2540
2541         * bpabi.h (FPUTYPE_DEFAULT): Set it to FPUTYPE_VFP.
2542
2543 2004-08-18  Andrew Pinski  <apinski@apple.com>
2544
2545         * varasm.c (ecode_reg_name): Do nothing if the asmspec is empty.
2546
2547 2004-08-18  Mark Mitchell  <mark@codesourcery.com>
2548
2549         * config/arm/bpabi.c (__aeabi_ul2d): Give it default visibility.
2550         (__aeabi_ul2f): Likewise.
2551
2552 2004-08-18  Richard Henderson  <rth@redhat.com>
2553
2554         * config/xtensa/xtensa.c (xtensa_expand_block_move): Expand block
2555         move to rtl completely.
2556         (struct meminsnbuf, xtensa_emit_block_move): Remove.
2557         (xtensa_find_mode_for_size): Remove.
2558         * config/xtensa/xtensa-protos.h (xtensa_emit_block_move): Remove.
2559         * config/xtensa/xtensa.md (movmemsi_internal): Remove.
2560
2561 2004-08-18  Richard Henderson  <rth@redhat.com>
2562
2563         * config/mcore/mcore.c (mode_from_align): Remove DImode.
2564         (block_move_sequence): Rewrite to use adjust_address.
2565         (mcore_expand_block_move): Cleanup logic.  Accept only operands.
2566         Return boolean indicating success/failure.
2567         * config/mcore/mcore-protos.h (mcore_expand_block_move): Update decl.
2568         * config/mcore/mcore.md (movmemsi): Update to match.
2569
2570 2004-08-18  Mike Stump  <mrs@apple.com>
2571
2572         * doc/invoke.texi (-mfix-and-continue): Add support for
2573         fast turn around debugging.
2574         (-ffix-and-continue): Likewise.
2575         (-mindirect-data): Likewise.
2576         (-findirect-data): Likewise.
2577         * config/darwin.c (TARGET_FIX_AND_CONTINUE): Likewise.
2578         (indirect_data): Likewise.
2579         (machopic_data_defined_p): Likewise.
2580         (machopic_output_indirection): Likewise.
2581         (darwin_encode_section_info): Likewise.
2582         (darwin_fix_and_continue): Likewise.
2583         (darwin_fix_and_continue_switch): Likewise.
2584         * config/darwin.h (MACHO_SYMBOL_STATIC): Likewise.
2585         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Likewise.
2586         (SUBTARGET_OPTION_TRANSLATE_TABLE): Likewise.
2587         (SUBTARGET_OPTIONS): Likewise.
2588         (darwin_fix_and_continue): Likewise.
2589         (darwin_fix_and_continue_switch): Likewise.
2590         (TARGET_FIX_AND_CONTINUE): Likewise.
2591         * config/rs6000.c (rs6000_emit_prologue): Likewise.
2592
2593 2004-08-19  Steven Bosscher  <stevenb@suse.de>
2594
2595         * basic-block.h (struct edge_def): Remove crossing_edge.
2596         (EDGE_CROSSING): New define.
2597         (EDGE_ALL_FLAGS): Update.
2598         * bb-reorder.c (find_traces_1_round, better_edge_p,
2599         find_rarely_executed_basic_blocks_and_cr, fix_up_fall_thru_edges,
2600         find_jump_block, fix_crossing_conditional_branches,
2601         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
2602         Replace all occurences of crossing_edge with an edge flag check
2603         or set/reset.
2604         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
2605         try_crossjump_bb): Likewise.
2606         * cfglayout.c (fixup_reorder_chain): Likewise.
2607         * cfgrtl.c (force_nonfallthru_and_redirect,
2608         commit_one_edge_insertion): Likewise.
2609
2610         * Makefile.in (cfganal.o): Depend on TIMEVAR_H.
2611         * tree-flow.h (compute_dominance_frontiers): Move prototype...
2612         * basic-block.h:  ...here.
2613         * tree-cfg.c (compute_dominance_frontiers_1,
2614         compute_dominance_frontiers): Move from here...
2615         * cfganal.c: ...to here.  Include timevar.h.
2616
2617 2004-08-18  James E Wilson  <wilson@specifixinc.com>
2618
2619         * config/mips/mips.h (ASM_SPEC): In comment, change -meabi= to -mabi=.
2620         * config/mips/sb1.md (ir_sb1_divsf_1pipe): Renamed from ...1pipes.
2621
2622         * config/mips/mips.md (type): Add frdiv.
2623         (divsf3+1, divsf3+2): Change type to frdiv.
2624         * config/mips/sb1.md (ir_sb1_recipsf_2pipes, ir_sb1_recipsf_1pipe,
2625         ir_sb1_recipdf_2pipes, ir_sb1_recipdf_1pipe): New.
2626
2627         * config/mips/3000.md (r3k_fdiv_single, r3k_fdiv_double): Add frdiv.
2628         * config/mips/4300.md (r4300_fdiv_single, r4300_fdiv_double): Likewise.
2629         * config/mips/4600.md (r4600_fdiv_single, f4600_fdiv_double): Likewise.
2630         * config/mips/5000.md (r5k_fdiv_single): Likewise.
2631         * config/mips/5400.md (ir_vr54_fdiv_sf, ir_vr54_fdiv_df): Likewise.
2632         * config/mips/5500.md (ir_vr55_fdiv_sf, ir_vr55_fdiv_df): Likewise.
2633         * config/mips/6000.md (r6k_fdiv_single, r6k_fdiv_double): Likewise.
2634         * config/mips/7000.md (rm7_fp_divsqrt_df, rm7_fp_divsqrt_sf): Likewise.
2635         * config/mips/9000.md (rm8k_fdivs, rm9k_fdivd): Likewise.
2636         * config/mips/generic.md (generic_fdiv_single, generic_fdiv_double):
2637         Likewise.
2638         * config/mips/sr71k.md (ir_sr70_fdiv_sf, ir_sr70_fdiv_df): Likewise.
2639
2640 2004-08-18  Robert Bowdidge <bowdidge@apple.com>
2641
2642         * config/rs6000/x-darwin: Remove XCFLAGS -mdynamic-no-pic to
2643         get regression tester working again.
2644
2645 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
2646
2647         * insn-notes.def, reg-notes.def: New files.
2648         * rtl.h: Use them to define enum insn_note and enum reg_note.
2649         * rtl.c: Use them to define note_insn_name and reg_note_name.
2650         * Makefile.in (RTL_BASE_H): Update.
2651
2652         * modulo-sched.c, sched-rgn.c, final.c: NOTE_DISABLE_SCHED_OF_BLOCK
2653         renamed to NOTE_INSN_DISABLE_SCHED_OF_BLOCK.
2654
2655 2004-08-18  Richard Earnshaw  <rearnsha@arm.com>
2656
2657         * arm.c (arm_size_rtx_costs): New function.
2658         (arm_override_options): Use it if optimizing for space.
2659
2660 2004-08-18  Richard Henderson  <rth@redhat.com>
2661
2662         * emit-rtl.c (gen_const_mem): New.
2663         * rtl.h (gen_const_mem): Declare.
2664         * expr.c (do_tablejump): Use it.
2665         * varasm.c (force_const_mem): Likewise.
2666         * config/darwin.c (machopic_indirect_data_reference): Likewise.
2667         (machopic_legitimize_pic_address): Likewise.
2668         * config/arm/arm.c (legitimize_pic_address): Likewise.
2669         * config/i386/i386.c (legitimize_pic_address): Likewise.
2670         (legitimize_tls_address): Likewise.
2671         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
2672         * config/ia64/ia64.md (load_fptr): Likewise.
2673         * config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
2674         * config/pa/pa.c (legitimize_pic_address): Likewise.
2675         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
2676         (rs6000_emit_move): Likewise.
2677         * config/s390/s390.c (legitimize_pic_address): Likewise.
2678         (legitimize_tls_address): Likewise.
2679         * config/s390/s390.md (casesi): Likewise.
2680         * config/sh/sh.c (sh_reorg): Likewise.
2681         * config/sparc/sparc.c (legitimize_pic_address): Likewise.
2682         * config/v850/v850.md (casesi): Likewise.
2683
2684         * config/darwin.c (machopic_indirect_call_target): Set MEM_NOTRAP_P.
2685         * config/sh/sh.c (prepare_move_operands): Remove incorrect
2686         use of MEM_READONLY_P.
2687
2688 2004-08-18  Steven Bosscher  <stevenb@suse.de>
2689
2690         * Makefile.in (OBJS-common): Add postreload-gcse.c.
2691         Add new postreload-gcse.o.
2692         * cse.c (SAFE_HASH): Define as wrapper around safe_hash.
2693         (lookup_as_function, insert, rehash_using_reg, use_related_value,
2694         equiv_constant): Use SAFE_HASH instead of safe_hash.
2695         (exp_equiv_p): Export.  Add for_gcse argument when comparing
2696         for GCSE.
2697         (lookup, lookup_for_remove, merge_equiv_classes, find_best_addr,
2698         find_comparison_args, fold_rtx, cse_insn): Update callers.
2699         (hash_rtx): New function derived from old canon_hash and bits
2700         from gcse.c hash_expr_1.
2701         (canon_hash_string): Rename to hash_rtx_string.
2702         (canon_hash, safe_hash): Make static inline.  Call hash_rtx.
2703         * cselib.c (hash_rtx): Rename to cselib_hash_rtx.
2704         (cselib_lookup): Update this caller.
2705         * gcse.c (modify_mem_list_set, canon_modify_mem_list_set):
2706         Make static.
2707         (hash_expr): Call hash_rtx.
2708         (ldst_entry): Likewise.
2709         (expr_equiv_p): Call exp_equiv_p.
2710         (struct unoccr, hash_expr_1, hash_string_1, lookup_expr,
2711         reg_used_on_edge, reg_set_between_after_reload_p,
2712         reg_used_between_after_reload_p, get_avail_load_store_reg,
2713         is_jump_table_basic_block, bb_has_well_behaved_predecessors,
2714         get_bb_avail_insn, hash_scan_set_after_reload,
2715         compute_hash_table_after_reload,
2716         eliminate_partially_redundant_loads, gcse_after_reload,
2717         get_bb_avail_insn, gcse_after_reload_main): Remove.
2718         * postreload-gcse.c: New file, reincarnating most of the above.
2719         * rtl.h (exp_equiv_p, hash_rtx): New prototypes.
2720         (gcse_after_reload_main): Update prototype.
2721         * timevar.def (TV_GCSE_AFTER_RELOAD): New timevar.
2722         * passes.c (rest_of_handle_gcse2): Use it.
2723
2724 2004-08-18  Diego Novillo  <dnovillo@redhat.com>
2725
2726         * tree-ssa-loop.c (pass_loop_init): Add TODO_dump_func.
2727         (pass_loop_done): Likewise.
2728
2729 2004-08-18  Andrew Pinski  <apinski@apple.com>
2730
2731         * config/rs6000/darwin.md: Delete the altivec patterns which are
2732         handled differently now.
2733         (load_macho_picbase_di): Make sure that is only happens for TARGET_64BIT
2734         (macho_correct_pic_di): Likewise.
2735         (call_indirect_nonlocal_darwin64): Likewise.
2736         Delete the save world/saveFP/saveVec patterns.
2737
2738         Revert the reversion of: 2004-08-16  Stan Shebs  <shebs@apple.com>
2739         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
2740         * config/rs6000/rs6000.md: Include darwin.md.
2741         (builtin_setjmp_receiver): Add DImode case.
2742         * config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
2743         Darwin bits.
2744
2745 2004-08-18  Matt Austern  <austern@apple.com>
2746
2747         Dead code stripping
2748         * darwin.h (EH_FRAME_SECTION_ATTR): Mark so it doesn't get stripped.
2749         * darwin.c (darwin_file_end): Mark file as potentially strippable.
2750
2751 2004-08-18  Richard Henderson  <rth@redhat.com>
2752
2753         * alias.c (readonly_fields_p): Remove.
2754         (objects_must_conflict_p): Don't call it.
2755         * tree.h (readonly_fields_p): Remove.
2756         * langhooks.h (struct lang_hooks): Remove honor_readonly.
2757         * langhooks-def.h (LANG_HOOKS_HONOR_READONLY): Remove.
2758
2759 2004-08-18  Diego Novillo  <dnovillo@redhat.com>
2760
2761         * tree-dfa.c (add_referenced_var): Only global variables are
2762         call-clobbered.
2763         * tree-flow.h (struct ptr_info_def): Add field pt_global_mem.
2764         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Mark
2765         all pointers dereferenced if the statement dereferences them.
2766         (create_name_tags): Do not create memory tags for pointers
2767         that have PT_ANYTHING set.
2768         Also check if PT_VARS is not empty before creating a name tag.
2769         (compute_flow_sensitive_aliasing): Don't mark call-clobbered
2770         variables that share the same alias set with a pointer that
2771         may point anywhere.
2772         (add_may_alias): Add FIXME comment to remove clobbering
2773         aliased variables and tags.
2774         (replace_may_alias): Likewise.
2775         (set_pt_anything): Do not clear PT_VARS nor IS_DEREFERENCED.
2776         (merge_pointed_to_info): If the original variable has not
2777         points-to information, call set_pt_anything.
2778         (add_pointed_to_var): Do not prevent adding a pointed-to
2779         variable if the pointers is PT_ANYTHING.
2780         If the variable is a global, set PT_GLOBAL_MEM.
2781         (collect_points_to_info_r): Don't assume that PLUS_EXPRs of
2782         pointer type only come in PTR+OFFSET flavours.
2783         Always call merge_pointed_to_info on PHI arguments that are
2784         SSA_NAMEs.
2785         (get_nmt_for): Mark call-clobbered tags whose pointer points
2786         to global memory.
2787         * tree-ssa-operands.c (opf_kill_def, opf_no_vops): Switch
2788         values.
2789         (get_indirect_ref_operands): Always clear OPF_KILL_DEF from
2790         FLAGS.
2791         (add_stmt_operand): Abort if the caller tried to add a killing
2792         definition for a memory tag.
2793         * tree-ssa.c (verify_flow_sensitive_alias_info): Remove
2794         unnecessary checks.
2795
2796 2004-08-18  J"orn Rennecke <joern.rennecke@superh.com>
2797
2798         * sh.h (CONDITIONAL_REGISTER_USAGE): Don't exclude fixed registers
2799         from call_used_regs.  Update call_really_used_regs.
2800         (CALL_REALLY_USED_REGISTERS): Define.
2801         * sh.c (output_stack_adjust, shmedia_target_regs_stack_space):
2802         Replace call_used_regs with call_really_used_regs.
2803         (calc_live_regs, sh_media_register_for_return): Likewise.
2804         (sh5_schedule_saves, sh_expand_prologue, reg_unused_after): Likewise.
2805         * sh.md (return_media): Likewise.
2806
2807 2004-08-18  Andrew Pinski  <apinski@apple.com>
2808
2809         * config/darwin.c (machopic_legitimize_pic_address): Only set
2810         MEM_READONLY_P in the non TARGET_TOC case.
2811
2812 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
2813
2814         * rtl.def (NIL): Delete.
2815         * read-rtl.c (read_rtx): Handle (nil) like (define_constants).
2816         Tighten the syntax a little.
2817
2818         * cfgloop.h, combine.c, cse.c, loop-iv.c, postreload.c, reload.c
2819         * config/alpha/alpha.c, config/alpha/alpha.h, config/arc/arc.h
2820         * config/arm/arm.h, config/frv/frv.h, config/i386/i386.c
2821         * config/i386/predicates.md, config/m32r/m32r.h
2822         * config/m68hc11/m68hc11.c, config/mcore/mcore.h, config/mips/mips.c
2823         * config/mmix/mmix.c, config/pa/pa.h, config/sh/sh.h
2824         * config/sparc/sparc.h, doc/tm.texi:
2825         Replace all occurrences of NIL with UNKNOWN.
2826
2827 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
2828
2829         * dojump.c (do_jump <unordered_bcc>): Do not recursively call
2830         self with a TRUTH_ORIF_EXPR; generate the appropriate jump
2831         sequence inline.  Move drop_through_label code into this
2832         block, being the only place it is used.  Adjust comments.
2833
2834 2004-08-18  Fariborz Jahanian <fjahanian@apple.com>
2835
2836         * config/rs6000/altivec.md: Add new patterns for calls to
2837         save_world/rest_world functions.
2838
2839         * config/rs6000/rs6000-protos.h: (save_world_operation,
2840         restore_world_operation) new declarations.
2841
2842         * config/rs6000/rs6000.c: (struct rs6000_stack) new world_save_p
2843         field added.
2844         (rs6000_stack_info): Set world_save_p field.
2845         (save_world_operation): New function.
2846         (restore_world_operation): New function.
2847         (compute_save_world_info): New function.
2848         (rs6000_stack_info): Call compute_save_world_info.
2849         (rs6000_emit_prologue): Check for world_save_p and generate
2850         pattern to call save_world for saving all non-volatile and
2851         special registers.
2852         (rs6000_emit_epilogue): Check for world_save_p and generate
2853         pattern to call rest_world to restore saved registers.
2854
2855         config/rs6000/rs6000.h: macros FIRST_SAVED_ALTIVEC_REGNO,
2856         FIRST_SAVED_FP_REGNO, FIRST_SAVED_GP_REGNO defined.
2857         (rs6000_reg_names): New entries added for save_world_operation and
2858         restore_world_operation.
2859
2860 2004-08-18  Caroline Tice  <ctice@apple.com>
2861
2862         * Makefile.in (STAGEFEEDBACK_FLAGS_TO_PASS) Add
2863         "-freorder-blocks-and-partition" to the flags used in second
2864         stage of profiledbootstrap.
2865         * bb-reorder.c (push_to_next_round_p): Add new variable,
2866         next_round_is_last; set and use variable to make sure, when
2867         partitioning, that the last trace construction round consists
2868         of all (and only) cold basic blocks.
2869         (rotate_loop): Don't copy blocks that end in a section
2870         crossing jump.
2871         (copy_bb): Correctly initialize "partition" of duplicated bb.
2872         (add_unlikely_executed_notes): Add a comment.
2873         (find_rarely_executed_basic_blocks_and_crossing_edges): Modify
2874         to make sure, if function contains hot blocks, that the
2875         successors of ENTRY_BLOCK_PTR are hot; also, only look for
2876         crossing edges if the architecture supports named sections.
2877         (mark_bb_for_unlikely_executed_section): Modify to always
2878         insert the NOTE_INSN_UNLIKELY_EXECUTED_CODE immediately after
2879         the basic block note insn.
2880         (fix_crossing_unconditional_branches): Remove extra space.
2881         (fix_edges_for_rarely_executed_code): Modify to only do
2882         partitioning work if the architecture supports named sections.
2883         (reorder_basic_blocks): Modify to only add
2884         NOTE_INSN_UNLIKELY_EXECUTED_CODE notes if the architecture
2885         supports named sections.
2886         * c-common.c (handle_section_attribute): Initialize new global
2887         variable, user_defined_section_attribute, to true if user has
2888         specified one.
2889         * cfgcleanup.c (try_forward_edges): Modify to not attempt to
2890         forward edges that cross section boundaries.
2891         * cfglayout.c (fixup_reorder_chain): Modify to only fix up
2892         partitioning information if the architecture supports named
2893         sections.
2894         * cfgrtl.c (target.h): Add statement to include this.
2895         (rtl_split_block): Make sure newly created bb gets correct
2896         partition.
2897         (try_redirect_by_replacing_jump): Make sure redirection isn't
2898         attempting to cross section boundaries.
2899         (force_nonfallthru_and_redirect): Only do partition fix up if
2900         architecture supports named sections.
2901         (rtl_split_edge): Make sure newly created bb ends up in
2902         correct partition.
2903         (commit_one_edge_insertion): Remove code that incorrectly
2904         updated basic block partition; Make sure partition fix up only
2905         happens if architecture supports named sections and it's not
2906         already done.
2907         (rtl_verify_flow_info_1): Fix if-condition on test/error
2908         condition that fallthru edges are not allowed to cross section
2909         boundaries.
2910         * defaults.h (NORMAL_TEXT_SECTION_NAME): Remove this.
2911         * final.c (final_scan_insn): Remove redundant test from if-statement;
2912         change calls to text_section into calls to function_section; add code
2913         to only to partitioning fix up if architecture supports named
2914         sections.
2915         * ifcvt.c (find_if_case_1): Make sure newly created bb has correct
2916         partition.
2917         (if_convert): Add targetm.have_named_sections to test.
2918         * output.h (unlikely_section_label): Extern declaration for new global
2919         variable.
2920         (unlikely_text_section_name): Likewise.
2921         * opts.c (decode_options): If both partitioning and DWARF debugging
2922         are turned on, issue a warning that this doesn't work, and change
2923         partitiong to basic block reordering (without hot/cold partitions).
2924         * passes.c (rest_of_handle_final): Re-set new global variable,
2925         user_defined_section_attribute, to false.
2926         (rest_of_compilation): Change options for calling partitioning
2927         function: Don't call if the user defined the section attribute, and
2928         don't call if DECL_ONE_ONLY is true for the current function.
2929         * predict.c (choose_function_section): Return immediately if we
2930         are doing hot/cold partitioning (i.e. let the basic block partitioning
2931         determine where the function belongs).
2932         * reg-stack.c (emit_swap_insn): Add condition to step over
2933         NOTE_INSN_UNLIKELY_EXECUTED_CODE notes.
2934         * toplev.c (user_defined_section_attribute): New global variable.
2935         * toplev.h (user_defined_section_attribute): Extern declaration
2936         for new global variable.
2937         * varasm.c (unlikely_section_label): New global variable.
2938         (unlikely_text_section_name): New global variable.
2939         (unlikely_text_section): Add code to initialize
2940         unlikely_text_section_name if necessary; modify to use
2941         unlikely_text_section_name and unlikely_section_label; also to use
2942         named_section properly.
2943         (in_unlikely_text_section):  Modify to work correctly with
2944         named_section and to use unlikely_text_section_name.
2945         (named_section):  Add code to work properly with cold section.
2946         (function_section): Clean up if-statement.
2947         * config/darwin.c (darwin_asm_named_section): Return to original
2948         code, removing use of SECTION_FORMAT_STRING.
2949         * config/arm/pe.h (switch_to_section):  Add case for
2950         in_unlikely_executed_text to switch statement.
2951         * config/i386/cygming.h (switch_to_section): Likewise.
2952         * config/i386/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.
2953         (SECTION_FORMAT_STRING): Likewise.
2954         * config/mcore/mcore.h (switch_to_section): Likewise.
2955         * config/rs6000/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.
2956         (SECTION_FORMAT_STRING): Remove.
2957
2958 2004-08-18  Roger Sayle  <roger@eyesopen.com>
2959
2960         * config/i386/i386.h (FIXED_REGISTERS): Update encoding to be
2961         -ffixed-reg safe, by preserving the meanings of zero and one.
2962         (CALL_USED_REGISTERS): Likewise.
2963         (CONDITIONAL_REGISTER_USAGE): Update to process new encodings.
2964
2965 2004-08-18  Kaz Kojima  <kkojima@gcc.gnu.org>
2966
2967         * config/sh/sh.c (split_branches): Check the result of
2968         next_active_insn.
2969         (sh_output_mi_thunk): Call init_flow if basic_block_info is null.
2970         Call rtl_register_cfg_hooks.
2971
2972 2004-08-18  Richard Henderson  <rth@redhat.com>
2973
2974         * rtl.h (MEM_READONLY_P): Replace RTX_UNCHANGING_P.
2975         * alias.c (true_dependence): Update to match new semantics.
2976         (canon_true_dependence, write_dependence_p): Likewise.
2977         (anti_dependence, output_dependence): Update write_dependence_p args.
2978         (unchanging_anti_dependence): Remove.
2979         * calls.c (purge_mem_unchanging_flag): Remove.
2980         (fixup_tail_calls): Don't call it.
2981         (expand_call): Don't add unchanging memory to function usage.
2982         * expr.c (emit_block_move_via_libcall): Likewise.
2983         (clear_storage_via_libcall): Don't clobber RTX_UNCHANGING_P mems.
2984         (get_subtarget): Don't use RTX_UNCHANGING_P.
2985         (expand_assignment, store_constructor, expand_expr_real_1): Likewise.
2986         (do_tablejump): Set MEM_READONLY_P, not RTX_UNCHANGING_P.
2987         * combine.c (get_last_value_validate): Use MEM_READONLY_P.
2988         * cse.c (insert): Don't use RTX_UNCHANGING_P.
2989         (cse_insn, canon_hash): Use MEM_READONLY_P.
2990         * emit-rtl.c (set_mem_attributes_minus_bitpos): Use MEM_READONLY_P
2991         instead of RTX_UNCHANGING_P.
2992         * explow.c (maybe_set_unchanging): Remove.
2993         * expr.h (maybe_set_unchanging): Remove.
2994         * flow.c (insn_dead_p, mark_used_regs): Use anti_dependence.
2995         * function.c (assign_stack_temp_for_type): Don't use RTX_UNCHANGING_P.
2996         (assign_parm_setup_reg, expand_function_start): Likewise.
2997         * integrate.c (copy_rtx_and_substitute): Likewise.
2998         * ra-rewrite.c (emit_colors): Likewise.
2999         * regmove.c (copy_src_to_dest, regmove_optimize): Likewise.
3000         (fixup_match_1): Likewise.
3001         * reload1.c (reload, alter_reg): Likewise.
3002         * local-alloc.c (validate_equiv_mem): Check MEM_READONLY_P,
3003         not RTX_UNCHANGING_P.
3004         (equiv_init_varies_p): Likewise.
3005         * loop-invariant.c (check_maybe_invariant): Likewise.
3006         * resource.c (mark_referenced_resources, mark_set_resources): Likewise.
3007         * loop.c (note_addr_stored): Likewise.
3008         (prescan_loop): Likewise. Don't check function usage for clobbered
3009         unchanging memory.
3010         * rtlanal.c (rtx_unstable_p): Check MEM_READONLY_P,
3011         not RTX_UNCHANGING_P.
3012         (rtx_varies_p, modified_between_p, modified_in_p): Likewise.
3013         * varasm.c (force_const_mem): Likewise.
3014         * stmt.c (expand_decl): Don't set RTX_UNCHANGING_P.
3015         * web.c (entry_register): Likewise.
3016         * tree-gimple.h (get_base_address): Move decl ...
3017         * tree.h: ... here.
3018         * doc/rtl.texi (MEM_READONLY_P): Replace RTX_UNCHANGING_P.
3019
3020         * config/alpha/alpha.c (alpha_set_memflags_1): Rewrite to be
3021         called via for_each_rtx.  Copy MEM_SCALAR_P, MEM_NOTRAP_P too.
3022         (alpha_set_memflags): Update to match.
3023
3024         * config/darwin.c (machopic_indirect_data_reference): Set
3025         MEM_READONLY_P instead of RTX_UNCHANGING_P.
3026         (machopic_indirect_call_target): Likewise.
3027         (machopic_legitimize_pic_address): Likewise.
3028         * config/arm/arm.c (legitimize_pic_address, arm_gen_load_multiple,
3029         arm_gen_store_multiple, arm_gen_movmemqi): Likewise.
3030         * config/arm/arm.md (load_multiple, store_multiple): Likewise.
3031         * config/frv/frv.md (symGOT2reg): Likewise.
3032         * config/i386/i386.c (legitimize_pic_address,
3033         legitimize_tls_address, ix86_split_to_parts): Likewise.
3034         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
3035         * config/ia64/ia64.md (load_fptr): Likewise.
3036         * config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
3037         * config/m68k/m68k.c (legitimize_pic_address): Likewise.
3038         * config/mcore/mcore.c (block_move_sequence): Likewise.
3039         * config/mn10300/mn10300.md (symGOT2reg): Likewise.
3040         * config/pa/pa.c (legitimize_pic_address): Likewise.
3041         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
3042         (rs6000_emit_move): Likewise.
3043         * config/s390/s390.c (legitimize_pic_address): Likewise.
3044         (legitimize_tls_address): Likewise.
3045         * config/s390/s390.md (casesi): Likewise.
3046         * config/sh/sh.c (prepare_move_operands, sh_reorg): Likewise.
3047         * config/sh/sh.md (symGOT2reg): Likewise.
3048         * config/sparc/sparc.c (legitimize_pic_address): Likewise.
3049         * config/v850/v850.md (casesi): Likewise.
3050
3051         * config/ia64/ia64.c (gen_thread_pointer): Don't set RTX_UNCHANGING_P.
3052         * config/iq2000/iq2000.c (save_restore_insns): Likewise.
3053         * config/mips/mips.c (mips_restore_gp): Likewise.
3054         (mips_save_restore_reg, mips16_gp_pseudo_reg): Likewise.
3055         * config/sh/sh.c (sh_reorg): Likewise.
3056
3057 2004-08-18  Richard Henderson  <rth@redhat.com>
3058
3059         * tree.h (struct tree_decl): Add gimple_formal_temp.
3060         (DECL_GIMPLE_FORMAL_TEMP_P): New.
3061         * gimplify.c (pop_gimplify_context): Clear it.
3062         (lookup_tmp_var): Set it, if is_formal.
3063         (gimplify_init_constructor): Use rhs_predicate_for for COMPLEX.
3064         Use is_gimple_val for VECTOR.  Simplify return value.
3065         (gimplify_save_expr): Use and set DECL_GIMPLE_FORMAL_TEMP_P.
3066         (gimplify_expr): Likewise.
3067         * tree-gimple.c (is_gimple_formal_tmp_rhs): Rename from
3068         is_gimple_tmp_rhs for clarity.  Update all callers.
3069         (is_gimple_reg_rhs): Simplify logic.
3070         (is_gimple_formal_tmp_var): Rename from is_gimple_tmp_var for
3071         clarity; use DECL_GIMPLE_FORMAL_TEMP_P.
3072         (is_gimple_formal_tmp_reg): Similarly.
3073         * tree-gimple.h: Update decls.
3074         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Use
3075         DECL_IGNORED_P, not DECL_ARTIFICIAL.  Tidy formatting.
3076         * tree-ssa-live.c (var_union, type_var_init): Likewise.
3077
3078 2004-08-18  Paolo Bonzini  <bonzini@gnu.org>
3079
3080         * c4x.c (legitimize_operands): Remove calls to
3081         preserve_subexpressions_p.
3082
3083 2004-08-18  David Edelsohn  <edelsohn@gnu.org>
3084
3085         * varasm.c (MAX_OFILE_ALIGNMENT): Move ...
3086         * defaults.h (MAX_OFILE_ALIGNMENT): ... here.
3087
3088 2004-08-18  Ziemowit Laski  <zlaski@apple.com>
3089
3090         * gcc.c (default_compilers): Add info about ".mm", ".M" and ".mii"
3091         Objective-C++ extensions.
3092         * gengtype.c (get_file_basename): Match entire subdirectory name
3093         ('cp', 'objc', 'objcp') rather than just its suffix.
3094         (get_base_file_bitmap): Allow for files to belong to more than one
3095         language.
3096         (get_output_file_with_visibility): Treat objc/objc-act.h as a header
3097         used by more than one front-end.
3098
3099 2004-08-18  Richard Earnshaw  <rearnsha@arm.com>
3100
3101         * arm.md (addsi3, subsi3, andsi3, iorsi3, movsi, movhi): Rework to
3102         avoid use of preserve_subexpressions_p.
3103
3104 2004-08-17  Richard Henderson  <rth@redhat.com>
3105
3106         PR 17051
3107         * tree-sra.c (scalarize_use): Mark all v_defs for !is_output too.
3108
3109 2004-08-17  DJ Delorie  <dj@redhat.com>
3110
3111         * doc/extend.texi: Document new xstormy16 attribute.
3112
3113         * config/stormy16/stormy16.c (xstormy16_splittable_below100_operand): New.
3114         (xstormy16_splittable_below100_or_register): New.
3115         (combine_bnp): New.
3116         (xstormy16_reorg): New.
3117         (TARGET_MACHINE_DEPENDENT_REORG): Define.
3118
3119         * config/stormy16/stormy16.md (movqi_internal): Make name public.
3120         (movhi_internal): Likewise.
3121         (cbhranchhi): Likewise.
3122         (cbhranchhi_neg): Likewise.
3123         (andhi3): Only allow splittable below100 operands.
3124         (iorhi3): Likewise.
3125         (peephole2): New and/zero_extend->and peephole.
3126         (peephole2): New load/ior/save->set1 peephole.
3127         (peephole2): New load/and/save->clr1 peephole.
3128         (bclrx, bclrx2, bclr7, bclr15): New.
3129         (bsetx, bsetx2, bset7, bset15): New.
3130
3131         * config/stormy16/stormy16.c (xstormy16_print_operand): Be more
3132         liberal about acceptable 'B' masks.
3133
3134         * config/stormy16/stormy16-protos.h
3135         (xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
3136         xstormy16_below100_operand, xstormy16_below100_or_register,
3137         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
3138         (PREDICATE_CODES): Add new predicates.
3139
3140         * config/stormy16/stormy16.c
3141         (xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
3142         xstormy16_below100_operand, xstormy16_below100_or_register,
3143         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
3144         (xstormy16_expand_iorqi3, xstormy16_expand_andqi3): New.
3145         (xstormy16_legitimate_address_p): Allow below100 symbols.
3146         (xstormy16_extra_constraint_p): Add 'W' for below100 operands.
3147         (xstormy16_expand_move): Leave below100 operands as-is.
3148         (xstormy16_encode_section_info): Encode below100 symbols.
3149         (xstormy16_strip_name_encoding): New.
3150         (xstormy16_print_operand): Print 'b' as shift mask.
3151         (xstormy16_attribute_table): Add below100 attributes.
3152         (xstormy16_handle_below100_attribute): New.
3153
3154         * config/stormy16/stormy16.h (EXTRA_SECTIONS): add in_bss100.
3155         (XSTORMY16_SECTION_FUNCTION): New.
3156         (EXTRA_SECTION_FUNCTIONS): Define using the above.
3157         (ASM_OUTPUT_ALIGNED_DECL_COMMON, ASM_OUTPUT_ALIGNED_DECL_LOCAL): New.
3158         (ASM_OUTPUT_SYMBOL_REF): Handle encoded symbols.
3159         (ASM_OUTPUT_LABELREF): Define.
3160
3161         * config/stormy16/stormy16.md (movqi_internal): Add below100 support.
3162         (movhi_internal): Add below100 support.
3163         (andhi3): Add below100 support.
3164         (iorhi3): Add below100 support.
3165         (iorqi3, iorqi3_internal, andqi3, andqi3_internal): New.
3166
3167 2004-08-17  James E Wilson  <wilson@specifixinc.com>
3168
3169         * config/mips/mips.c (gen_conditional_move): Use GET_MODE (op0) instead
3170         of VOIDmode for comparison code mode.
3171         * config/mips/mips.md: For conditional move patterns, use mode of
3172         first compare operand for comparison mode, instead of VOIDmode.
3173
3174         * config/mips/mips.md: Add canonical nmadd and nmsub patterns for both
3175         normal and -ffast-math code.
3176
3177 2004-08-17  Mark Mitchell  <mark@codesourcery.com>
3178
3179         PR c++/15871
3180         * doc/invoke.texi (-fkeep-inline-functions): Update documentation.
3181
3182 2004-08-17  Robert Bowdidge  <bowdidge@apple.com>
3183
3184         * config/rs6000/x-darwin: Add -mdynamic-no-pic to gcc build flags.
3185
3186 2004-08-17  Andreas Tobler  <a.tobler@schweiz.ch>
3187
3188         * config/rs6000/darwin.md (*call_nonlocal_darwin64): Add #else clause
3189         for non Darwin targets.
3190         (*call_value_nonlocal_darwin64): Likewise.
3191
3192 2004-08-17  Fariborz Jahanian <fjahanian@apple.com>
3193
3194         * config/rs6000/rs6000.c (rs6000_function_value): Check for
3195         altivec mode for altivec return register.
3196
3197 2004-08-17  David Edelsohn  <edelsohn@gnu.org>
3198
3199         Revert 2004-08-16  Stan Shebs  <shebs@apple.com>
3200         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
3201         * config/rs6000/rs6000.md: Include darwin.md.
3202         (builtin_setjmp_receiver): Add DImode case.
3203         * config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
3204         Darwin bits.
3205
3206 2004-08-17  Dorit Naishlos  <dorit@il.ibm.com>
3207
3208         * tree-vectorizer.c: New File: loop vectorization on SSAed GIMPLE
3209         trees.
3210         * tree-vectorizer.h: New File: Same.
3211         * Makefile.in (tree-vectorizer.c, tree-vectorizer.h): Add new files.
3212         * common.opt (ftree-vectorize): New flag to enable vectorization.
3213         * timevar.def (TV_TREE_VECTORIZATION): New dump file for
3214         vectorization pass.
3215         * tree-data-ref.h (init_data_ref): Additional argument.
3216         (array_base_name_differ_p): Moved to tree-data-ref.c.
3217         * tree-data-ref.c (array_base_name_differ_p): Revised.
3218         (initialize_data_dependence_relation): Call array_base_name_differ_p
3219         with an extra argument.
3220         (analyze_all_data_dependences): Same.
3221         (init_data_ref): Additional argument is_read to set DR_IS_READ.
3222         * tree-ssa-phiopt.c (empty_block_p): Expose for usage out of this
3223         file.
3224         * tree-flow.h (vectorize_loops, empty_block_p): Add declaration.
3225         * tree-optimize.c (pass_vectorize): Schedule the vectorization pass.
3226         * tree-pass.h (tree_opt_pass pass_vectorize): Declare the new
3227         vectorization pass.
3228         * tree-ssa-loop.c (tree_ssa_loop_init): Call scev_initialize.
3229         (tree_ssa_loop_done): Call scev_finalize.
3230         (tree_vectorize): Define the new vectorization pass.
3231         * defaults.h (UNITS_PER_SIMD_WORD): Allow targets to specify the
3232         size of the vector they support (until support for multiple vector
3233         sizes is added to the vectorizer).
3234         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Define.
3235         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Define.
3236         * invoke.texi (fdump-tree-vect, ftree-vectorize): Add
3237         documentation.
3238
3239 2004-08-17  Nathan Sidwell  <nathan@codesourcery.com>
3240
3241         * objc/objc-act.c (build_protocol_initializer): Fix build_int_cst
3242         usage.
3243         (generate_protocol_list, handle_impent): Likewise.
3244
3245 2004-08-17  Roger Sayle  <roger@eyesopen.com>
3246
3247         * regclass.c (init_reg_sets_1): Add ENABLE_CHECKING sanity tests to
3248         ensure that call_used_regs is a superset of both fixed_regs and
3249         call_really_used_regs.
3250
3251 2004-08-17  Daniel Bornstein  <danfuzz@milk.com>
3252
3253         PR target/17019
3254         * arm.md (addsi3_cbranch_scratch): Correct case labels.
3255
3256 2004-08-17  Paolo Bonzini  <bonzini@gnu.org>
3257
3258         PR middle-end/17036
3259         * fold-const.c (fold): Check for integer operand when
3260         folding (A >> N) & 1 ? (1 << N) : 0.  Fix from Andrew
3261         Pinski  <pinskia@physics.uc.edu>.
3262
3263 2004-08-17  Paolo Bonzini  <bonzini@gnu.org>
3264
3265         * configure.ac: Trust toplevel's notion of BISON/FLEX/MAKEINFO.
3266         No need to check if in a cross configuration.
3267         * configure: Regenerate.
3268
3269         * calls.c (precompute_register_parameters):
3270         Inline preserve_subexpressions_p ().
3271         * expmed.c (expand_mult_const, emit_store_flag): Likewise.
3272         * optabs.c (expand_binop, expand_twoval_binop, prepare_cmp_insn):
3273         Likewise.
3274         * expr.c (get_subtarget): Likewise.
3275         * rtl.h (preserve_subexpressions_p): Remove.
3276         * stmt.c (preserve_subexpressions_p): Remove.
3277
3278         * dojump.c (do_jump) <COND_EXPR, EQ_EXPR, NE_EXPR,
3279         TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, COMPOUND_EXPR>:
3280         Abort on gimplified cases.
3281
3282 2004-08-16  James E Wilson  <wilson@specifixinc.com>
3283
3284         * tree.h (VECTOR_FLOAT_TYPE_P): New.
3285         (FLOAT_TYPE_P): Use it.
3286         * c-typeck.c (build_binary_op): After convert calls, check for
3287         check for ERROR_MARK operands.
3288
3289 2004-08-16  Zack Weinberg  <zack@codesourcery.com>
3290
3291         * Makefile.in (BUILD_PREFIX, BUILD_PREFIX_1): Delete.
3292         (BUILD_RTL, BUILD_PRINT, BUILD_ERRORS, BUILD_VARRAY): Update.
3293         (genobjs): Add build-rtl.o, build-print-rtl.o, build-varray.o.
3294         (genobjs static pattern rule): Remove %.c dependency.
3295         ($(BUILD_PREFIX_1)rtl.o, print-rtl.o, $(BUILD_PREFIX_1)varray.o):
3296         Rename rules; delete commands; fix dependencies.
3297         (mostlyclean): Do not delete temporary source copies.
3298         * configure.ac: Delete all references to BUILD_PREFIX and
3299         BUILD_PREFIX_1.
3300         * configure: Regenerate.
3301
3302         * print-rtl.c: Include bconfig.h #ifdef GENERATOR_FILE.
3303         Do not include tree.h, real.h, flags.h, hard-reg-set.h, or
3304         basic-block.h #ifdef GENERATOR_FILE.  Surround some more code
3305         with #ifndef GENERATOR_FILE so that nothing from those headers
3306         is used.
3307
3308         * rtl.c, varray.c: Include bconfig.h #ifdef GENERATOR_FILE.
3309
3310 2004-08-16  Adam Nemet  <anemet@lnxw.com>
3311
3312         * Makefile.in (LIBS): Move $(LIBIBERTY) after $(BANSHEELIB).
3313
3314 2004-08-16  Andrew Pinski  <apinski@apple.com>
3315
3316         * target-def.h (TARGET_EH_RETURN_FILTER_MODE): Remove
3317         extraneous semicolon.
3318
3319 2004-08-16  Devang Patel  <dpatel@apple.com>
3320
3321         * c-common.c (handle_used_attribute): Set DECL_PRESERVE_P.
3322         * print-tree.c (print_node): Print DECL_PRESERVE_P.
3323         * target-def.h (TARGET_ASM_MARK_DECL_PRESERVED): New #define.
3324         (TARGET_ASM_OUT): New member, TARGET_ASM_MARK_DECL_PRESERVED
3325         * target.h (struct gcc_target): New member, mark_decl_preserved.
3326         * hooks.c (hook_void_charptr): Rename to ...
3327         (hook_void_constcharptr): ... new name.
3328         * hooks.h (hook_void_charptr): Rename to ..
3329         (hook_void_constcharptr): ... new name.
3330         * tree.h (DECL_PRESERVE_P): New #define.
3331         (struct tree_decl): New member, preserve_flag.
3332         * varasm.c (assemble_start_function): Mark decl preserved.
3333         (assemble_variable): Same.
3334         * darwin.c (darwin_mark_decl_preserved): New function.
3335         * darwin.h (TARGET_ASM_MARK_DECL_preserved): New #define.
3336         * darwin-protos.h (darwin_mark_decl_preserved): New decl.
3337         * doc/tm.texi (TARGET_ASM_MARK_DECL_PRESERVED): Document.
3338
3339 2004-08-16  Joseph S. Myers  <jsm@polyomino.org.uk>
3340
3341         * c-decl.c (grokdeclarator): Allow for function definition where
3342         innermost declarator has attributes.
3343
3344 2004-08-16  Fariborz Jahanian <fjahanian@apple.com>
3345
3346         * except.c (get_exception_filter, build_post_landing_pads,
3347         dw2_build_landing_pads): Use target-specific mode for 'filter'.
3348         * target-def.h (TARGET_EH_RETURN_FILTER_MODE): macro defined and used.
3349         * target.h (eh_return_filter_mode): New field added.
3350         * targhooks.c (default_eh_return_filter_mode): Defined.
3351         * targhooks.h (default_eh_return_filter_mode): Declared.
3352         * config/rs6000/rs6000.c (rs6000_eh_return_filter_mode): Defined.
3353
3354 2004-08-16  Nathanael Nerode  <neroden@gcc.gnu.org>
3355
3356         * configure.ac: Replace _GCC_TOPLEV_NONCANONICAL_TARGET with
3357         ACX_NONCANONICAL_TARGET; remove now-unneeded AC_SUBST.
3358         * configure: Regenerate.
3359
3360 2004-08-16  Stan Shebs  <shebs@apple.com>
3361
3362         Basic support for 64-bit Darwin.
3363         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
3364         (machopic_legitimize_pic_address): Similarly, plus use Pmode
3365         instead of SImode.
3366         * config/rs6000/darwin.h (PTRDIFF_TYPE): Be "long int" if 64-bit.
3367         (TARGET_OS_CPP_BUILTINS): Add 64-bit preprocessor macro.
3368         (SUBTARGET_SWITCHES): Add -m32 and -m64 flags.
3369         (SUBTARGET_OVERRIDE_OPTIONS): Require 64-bit processor if -m64.
3370         (PROCESSOR_DEFAULT64): Define.
3371         * config/rs6000/darwin.md: New file, patterns specific to 64-bit
3372         Darwin.
3373         * config/rs6000/rs6000.md: Include darwin.md.
3374         (builtin_setjmp_receiver): Add DImode case.
3375         * config/rs6000/rs6000.c (TARGET_ASM_UNALIGNED_DI_OP): Define for
3376         Darwin.
3377         (TARGET_ASM_ALIGNED_DI_OP): Ditto.
3378         (rs6000_emit_move): Add DImode case to Darwin bits.
3379         (machopic_output_stub): Use .quad if 64-bit.
3380         * invoke.texi: Document -m32 and -m64.
3381
3382 2004-08-16  Janis Johnson  <janis187@us.ibm.com>
3383
3384         * doc/extend.texi (AltiVec builtins): Document additional differences
3385         from the Motorola AltiVec PIM.
3386
3387 2004-08-16  Nathan Sidwell  <nathan@codesourcery.com>
3388
3389         * c-typeck.c (build_c_cast): Only copy overflow from expr nodes.
3390         * tree.h (IS_NON_TYPE_CODE_CLASS): Simplify.
3391         (struct tree_common): Update public_flag documentation.
3392
3393 2004-08-16  Nathanael Nerode  <neroden@gcc.gnu.org>
3394
3395         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
3396         Check for artificial variables, not is_gimple_tmp_var.
3397         * tree-ssa-live.c (var_union): Likewise.
3398
3399 2004-08-16  Nathan Sidwell  <nathan@codesourcery.com>
3400
3401         * calls.c (load_register_parameters): Remove spurious FIXME token.
3402
3403 2004-08-15  Ziemowit Laski  <zlaski@apple.com>
3404
3405         * Makefile.in (C_PRETTY_PRINT_H): Add c-pretty-print.h.
3406         (c-lang.o): Depend on c-objc-common.h.
3407         (c-objc-common.o): Depend on $(C_PRETTY_PRINT_H) and
3408         c-objc-common.h; remove duplicate $(C_TREE_H) dependency.
3409         * c-lang.c: Include c-objc-common.h.
3410         (LANG_HOOKS_FINISH, LANG_HOOKS_INIT_OPTIONS,
3411         LANG_HOOKS_INITIALIZE_DIAGNOSTICS, LANG_HOOKS_HANDLE_OPTION,
3412         LANG_HOOKS_MISSING_ARGUMENT, LANG_HOOKS_POST_OPTIONS,
3413         LANG_HOOKS_GET_ALIAS_SET, LANG_HOOKS_SAFE_FROM_P,
3414         LANG_HOOKS_EXPAND_EXPR, LANG_HOOKS_MARK_ADDRESSABLE,
3415         LANG_HOOKS_PARSE_FILE, LANG_HOOKS_TRUTHVALUE_CONVERSION,
3416         LANG_HOOKS_FINISH_INCOMPLETE_DECL, LANG_HOOKS_UNSAFE_FOR_REEVAL,
3417         LANG_HOOKS_STATICP, LANG_HOOKS_SET_DECL_ASSEMBLER_NAME,
3418         LANG_HOOKS_NO_BODY_BLOCKS, LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL,
3419         LANG_HOOKS_PRINT_IDENTIFIER, LANG_HOOKS_FUNCTION_ENTER_NESTED,
3420         LANG_HOOKS_FUNCTION_LEAVE_NESTED, LANG_HOOKS_DUP_LANG_SPECIFIC_DECL,
3421         LANG_HOOKS_DECL_UNINIT, LANG_HOOKS_RTL_EXPAND_STMT,
3422         LANG_HOOKS_COMMON_ATTRIBUTE_TABLE, LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE,
3423         LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN,
3424         LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS,
3425         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
3426         LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING,
3427         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
3428         LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN,
3429         LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION, LANG_HOOKS_TYPE_FOR_MODE,
3430         LANG_HOOKS_TYPE_FOR_SIZE, LANG_HOOKS_SIGNED_TYPE,
3431         LANG_HOOKS_UNSIGNED_TYPE, LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE,
3432         LANG_HOOKS_INCOMPLETE_TYPE_ERROR, LANG_HOOKS_TYPE_PROMOTES_TO,
3433         LANG_HOOKS_REGISTER_BUILTIN_TYPE, LANG_HOOKS_WRITE_GLOBALS):
3434         Move to c-objc-common.h.
3435         * c-objc-common.c: Include c-objc-common.h.
3436         * c-objc-common.h: New file.
3437
3438 2004-08-15  Andreas Tobler  <a.tobler@schweiz.ch>
3439             Andrew Pinski  <pinskia@physics.uc.edu>
3440
3441         PR target/14931
3442         * config/rs6000/darwin-tramp.asm (L_abort$stub): Change to new stub
3443         style.
3444
3445 2004-08-15  Nathan Sidwell  <nathan@codesourcery.com>
3446
3447         * tree.h (build_int_cst): New.
3448         (build_int_2): Remove.
3449         * tree.c (build_int_2): Remove.
3450         (build_int_cst): New.
3451         (make_vector_type, build_common_tree_nodes,
3452         build_common_tree_nodes_2): Use build_int_cst.
3453         * builtins.c (expand_builtin_prefetch, expand_builtin_strstr,
3454         expand_builtin_strpbrk, expand_builtin_fputs,
3455         build_string_literal, expand_builtin_printf,
3456         expand_builtin_sprintf, fold_builtin_lround, fold_builtin_bitop,
3457         fold_builtin_bitop, fold_builtin_isascii, fold_builtin_toascii,
3458         fold_builtin_isdigit, simplify_builtin_strstr,
3459         simplify_builtin_strpbrk, fold_builtin_fputs,
3460         simplify_builtin_sprintf): Use build_int_cst.
3461         * c-common.c (start_fname_decls, fix_string_type,
3462         c_common_nodes_and_builtins, c_init_attributes,
3463         shorten_compare): Likewise.
3464         * c-decl.c (complete_array_type,
3465         check_bitfield_type_and_width): Likewise.
3466         * c-lex.c (interpret_integer, lex_charconst): Likewise.
3467         * c-parse.in (primary): <TYPES_COMPATIBLE_P> Likewise.
3468         * c-pretty-print.c (pp_c_integer_constant): Likewise.
3469         * c-typeck.c (really_start_incremental_init, push_init_level,
3470         set_nonincremental_init_from_string): Likewise.
3471         * calls.c (load_register_parameters): Likewise.
3472         * convert.c (convert_to_pointer): Likewise.
3473         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref,
3474         build_fn_info_type, build_ctr_info_value, build_gcov_info):
3475         Likewise.
3476         * except.c (init_eh, assign_filter_values, assign_filter_values):
3477         Likewise.
3478         * expmed.c (store_fixed_bit_field, extract_bit_field,
3479         extract_fixed_bit_field, extract_split_bit_field, expand_shift,
3480         expand_mult_const, expand_mult_highpart_adjust, extract_high_half,
3481         expand_sdiv_pow2, expand_divmod, make_tree): Likewise.
3482         * expr.c (convert_move, emit_group_load, emit_group_store,
3483         expand_assignment, store_constructor, store_field,
3484         expand_expr_real_1, reduce_to_bit_field_precision): Likewise.
3485         * fold-const.c (force_fit_type, int_const_binop, fold_convert_const,
3486         invert_truthvalue, optimize_bit_field_compare,
3487         decode_field_reference, all_ones_mask_p, constant_boolean_node,
3488         fold_div_compare, fold, fold_read_from_constant_string,
3489         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
3490         * function.c (assign_parm_setup_block): Likewise.
3491         * stmt.c (shift_return_value, expand_end_case_type,
3492         estimate_case_costs): Likewise.
3493         * stor-layout.c (layout_type, initialize_sizetypes,
3494         set_min_and_max_values_for_integral_type): Likewise.
3495         * tree-chrec.c (chrec_fold_multiply_poly_poly,
3496         reset_evolution_in_loop): Likewise.
3497         * tree-chrec.h (build_polynomial_chrec): Likewise.
3498         * tree-complex.c (build_replicated_const): Likewise.
3499         * tree-eh.c (honor_protect_cleanup_actions,
3500         lower_try_finally_onedest, lower_try_finally_copy,
3501         lower_try_finally_switch): Likewise.
3502         * tree-mudflap.c (mf_build_string, mx_register_decls,
3503         mudflap_register_call, mudflap_enqueue_constant): Likewise.
3504         * tree-nested.c (get_trampoline_type, get_nl_goto_field): Likewise.
3505         * tree-pretty-print.c (dump_generic_node): Likewise.
3506         * tree-ssa-ccp.c (widen_bitfield, maybe_fold_offset_to_array_ref):
3507         Likewise.
3508         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
3509         * tree-ssa-loop-niter.c (number_of_iterations_cond,
3510         loop_niter_by_eval, upper_bound_in_type, lower_bound_in_type):
3511         Likewise.
3512
3513         * config/alpha/alpha.c (alpha_initialize_trampoline,
3514         alpha_va_start, alpha_gimplify_va_arg_1): Use build_int_cst.
3515         * config/arm/arm.c (arm_get_cookie_size): Likewise.
3516         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
3517         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
3518         * config/i860/i860.c (i860_va_start): Likewise.
3519         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
3520         * config/mips/mips.c (mips_build_builtin_va_list, mips_va_start,
3521         mips_gimplify_va_arg_expr): Likewise.
3522         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
3523         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg,
3524         add_compiler_branch_island): Likewise.
3525         * config/s390/s390.c (s390_va_start): Likewise.
3526         * config/sh/sh.c (sh_va_start): Likewise.
3527         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
3528         Likewise.
3529         * config/xtensa/xtensa.c (xtensa_va_start,
3530         xtensa_gimplify_va_arg_expr): Likewise.
3531
3532         * objc/objc-act.c (build_objc_string_object,
3533         build_objc_symtab_template, init_def_list, init_objc_symtab,
3534         init_module_descriptor, generate_static_references,
3535         build_selector_translation_table, get_proto_encoding,
3536         build_typed_selector_reference, build_selector_reference,
3537         build_next_objc_exception_stuff,
3538         build_method_prototype_list_template, generate_descriptor_table,
3539         generate_protocols, build_protocol_initializer,
3540         build_ivar_list_template, build_method_list_template,
3541         build_ivar_list_initializer, generate_ivars_list,
3542         generate_dispatch_table, generate_protocol_list,
3543         build_category_initializer, build_shared_structure_initializer,
3544         generate_shared_structures, handle_impent,
3545         generate_objc_image_info): Use build_int_cst.
3546
3547 2004-08-15  Ben Elliston  <bje@au.ibm.com>
3548
3549         * vec.h: Comment improvements.
3550
3551 2004-08-14  Roger Sayle  <roger@eyesopen.com>
3552
3553         * c-common.c (shorten_compare, pointer_int_sum,
3554         c_common_truthvalue_conversion, boolean_increment): Replace calls
3555         to build with calls to buildN.
3556         * c-decl.c (complete_array_type, grokdeclarator): Likewise.
3557         * c-gimplify.c (c_build_bind_expr, gimplify_c_loop,
3558         gimplify_switch_stmt): Likewise.
3559         * c-typeck.c (default_function_array_conversion,
3560         build_component_ref, build_array_ref, build_function_call,
3561         pointer_diff, build_unary_op, build_conditional_expr,
3562         build_compound_expr, build_modify_expr, c_finish_goto_label,
3563         c_finish_goto_ptr, c_finish_return, c_finish_loop,
3564         c_finish_bc_stmt, c_finish_stmt_expr, c_end_compound_stmt,
3565         build_binary_op): Likewise.
3566
3567 2004-08-15  Steven Bosscher  <stevenb@suse.de>
3568
3569         * rtl.c (note_insn_name): Add NOTE_DISABLE_SCHED_OF_BLOCK.
3570
3571 2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3572
3573         * fixinc/inclhack.def (stdio_va_list): Also fix com_err.h, cps.h,
3574         curses.h, krb5.h, lc_core.h, pfmt.h, wchar.h and curses_colr/curses.h.
3575         * fixinc/fixincl.x: Rebuilt.
3576
3577 2004-08-14  Richard Sandiford  <rsandifo@redhat.com>
3578
3579         * config/mips/mips-protos.h (mips_symbolic_constant_p)
3580         (mips_atomic_symbolic_constant_p, mips_stack_address_p)
3581         (mips_small_data_pattern_p): Declare.
3582         * config/mips/mips.h (CONST_GP_P): Moved from mips.c.
3583         (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Delete.
3584         * config/mips/mips.c (mips_symbolic_constant_p): Make global.
3585         (mips_atomic_symbolic_constant_p, mips_stack_address_p): New functions.
3586         (uns_arith_operand, const_arith_operand, arith_operand, sle_operand)
3587         (sleu_operand, small_int, reg_or_0_operand, const_float_1_operand)
3588         (reg_or_const_float_1_operand, hilo_operand, extend_operator)
3589         (macc_msac_operand, equality_op, cmp_op, trap_cmp_op)
3590         (pc_or_label_operand, call_insn_operand, move_operand)
3591         (consttable_operand, symbolic_operand, general_symbolic_operand)
3592         (global_got_operand, local_got_operand, stack_operand)
3593         (fp_register_operand, lo_operand, fcc_register_operand): Delete.
3594         (mips_small_data_pattern_1): Renamed from small_data_pattern_1.
3595         (mips_small_data_pattern_p): Replace previous small_data_pattern
3596         predicate.  Turn into a bool () (rtx) function.
3597         * config/mips/predicates.md: New file.
3598         * config/mips/mips.md: Include it.  Use the target-independent
3599         comparison_operator instead of cmp_op.  Rename trap_cmp_op to
3600         trap_comparison_operator and equality_op to equality_operator.
3601         Replace uses of small_int with the equivalent const_arith_operand.
3602         Rename reg_or_const_float_1_operand to reg_or_1_operand.  Rename
3603         const_float_1_operand to const_1_operand.  Rename fcc_register_operand
3604         to fcc_reload_operand.
3605         * config/mips/sb1.md: Rename fp_register_operand to fpr_operand.
3606
3607 2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3608
3609         PR libstdc++/17005 partial fix.
3610         * pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Define _INCLUDE__STDC_A1_SOURCE
3611         except when generating ANSI/C89 code.
3612
3613 2004-08-14  Nathan Sidwell  <nathan@codesourcery.com>
3614
3615         * c-common.c (shorten_compare): Use force_fit_type directly.
3616
3617 2004-08-14  Gerald Pfeifer  <gerald@pfeifer.com>
3618             Dimitri Papadopoulos-Orfanos  <papadopo@shfj.cea.fr>
3619             Dave Korn  <dk@artimi.com>
3620
3621         * doc/install.texi (Building): Avoid duplicate reference to GNU
3622         make requirement.
3623         (*-*-solaris2*): Do not recommend GNU make any longer.  Simplify.
3624
3625 2004-08-14  Richard Henderson  <rth@redhat.com>
3626
3627         * config/alpha/alpha.h (PROMOTE_MODE): Don't promote vector types.
3628         * config/alpha/alpha.c (function_value): Use PROMOTE_MODE.
3629
3630 2004-08-13  Richard Henderson  <rth@redhat.com>
3631
3632         * config/i386/i386.md (call_1, sibcall_1, call_1_rex64): Use Pmode
3633         for constant_call_address_operand.
3634         (call_value_pop_1, call_value_1): Likewise.
3635         (sibcall_value_1, call_value_1_rex64): Likewise.
3636
3637 2004-08-13  James E Wilson  <wilson@specifixinc.com>
3638
3639         * config/mips/sb1.md (ir_sb1_divdf_2pipes, ir_sb1_divdf_1pipe):
3640         Correct mode from SFmode to DFmode.
3641
3642 2004-08-13  Ziemowit Laski  <zlaski@apple.com>
3643
3644         * config/darwin.h (EXTRA_SECTION_FUNCTIONS): Mark the __sel_fixup,
3645         __cstring_object and __image_info sections with the no_dead_strip
3646         attribute.
3647
3648 2004-08-13  Roger Sayle  <roger@eyesopen.com>
3649             David Billinghurst  <David.Billinghurst@riotinto.com>
3650
3651         PR libgfortran/15930
3652         * fixinc/inclhack.def (irix___generic1, irix___generic2): New.
3653         * fixinc/fixincl.x: Regenerate.
3654         * fixinc/tests/base/internal/math_core.h: New file.
3655
3656 2004-08-13  Richard Henderson  <rth@redhat.com>
3657
3658         * dbxout.c (NO_DBX_FUNCTION_END): Default to zero.
3659         (dbxout_function_end): Remove ifdefs for it.
3660         (dbxout_begin_prologue): Protect N_BNSYM with it, and gdb extensions.
3661
3662 2004-08-13  Richard Henderson  <rth@redhat.com>
3663
3664         * Makefile.in (insn-preds.o): Depend on TREE_H.
3665         * genpreds.c (write_insn_preds_c): Include tree.h.
3666         * config/alpha/alpha.c (reg_or_0_operand, reg_or_6bit_operand,
3667         reg_or_8bit_operand, cint8_operand, add_operand, sext_add_operand,
3668         const48_operand, and_operand, or_operand, mode_width_operand,
3669         mode_mask_operand, mul8_operand, const0_operand,
3670         hard_fp_register_operand, hard_int_register_operand,
3671         reg_or_cint_operand, some_operand, some_ni_operand, input_operand,
3672         samegp_function_operand, direct_call_operand, small_symbolic_operand,
3673         global_symbolic_operand, call_operand, symbolic_operand,
3674         dtp16_symbolic_operand, dtp32_symbolic_operand,
3675         gotdtp_symbolic_operand, tp16_symbolic_operand, tp32_symbolic_operand,
3676         gottp_symbolic_operand, alpha_comparison_operator,
3677         alpha_zero_comparison_operator, alpha_swapped_comparison_operator,
3678         signed_comparison_operator, alpha_fp_comparison_operator,
3679         divmod_operator, fix_operator, aligned_memory_operand,
3680         unaligned_memory_operand, reg_or_unaligned_mem_operand,
3681         any_memory_operand, reg_not_elim_operand, normal_memory_operand,
3682         reg_no_subreg_operand, addition_operation): Move to predicates.md.
3683         (reg_or_const_int_operand): Remove.  Replace all users with
3684         reg_or_cint_operand.
3685         (tls_symbolic_operand_1): Export.  Don't check mode or for CONST.
3686         (resolve_reload_operand): Split out of aligned_memory_operand.
3687         * config/alpha/alpha-protos.h: Update for exports.
3688         * config/alpha/alpha.h (PREDICATE_CODES): Remove.
3689         * config/alpha/alpha.md: Include predicates.md.
3690         * config/alpha/predicates.md: New file.
3691
3692 2004-08-13  Richard Sandiford  <rsandifo@redhat.com>
3693
3694         * genattrtab.c (insn_ent): Replace insn_code, insn_index and lineno
3695         fields with a pointer to the instruction definition.
3696         (get_attr_value, fill_attr, make_length_attrs, remove_insn_ent)
3697         (insert_insn_ent, simplify_test_exp, optimize_attrs, write_attr_get)
3698         (write_attr_case, write_const_num_delay_slots): Update accordingly.
3699         (write_attr_case, write_const_num_delay_slots): Write the name of
3700         an insn next to its case statement.
3701         * genoutput.c (data): Add a filename field.
3702         (gen_insn, gen_peephole, gen_expand, gen_split): Set it.
3703         (output_insn_data): Print the location of each insn definition.
3704         * genrecog.c (write_action): Print the name of an insn above
3705         the statement that returns its code.
3706
3707 2004-08-12  Andrew Pinski  <pinskia@physics.uc.edu>
3708
3709         * config/darwin-c.c (find_subframework_file): Fix spelling of cannot.
3710         * config/libgloss.h: Likewise.
3711         * config/arm/arm.c (arm_gen_load_multiple): Likewise.
3712         * c4x/c4x-modes.def: Likewise.
3713         * config/c4x/c4x.c (c4x_hard_regno_rename_ok): Likewise.
3714         (c4x_rptb_nop_p): Likewise.
3715         (c4x_rptb_valid_p): Likewise.
3716         (c4x_rptb_insert): Likewise.
3717         (c4x_address_conflict): Likewise.
3718         * config/c4x/c4x.md: Likewise.
3719         * config/frv/frv.md: Likewise.
3720         * config/i386/athlon.md: Likewise.
3721         * config/i386/i386.md: Likewise.
3722         * config/i386/predicates.md: Likewise.
3723         * config/ia64/ia64.c: Likewise.
3724         * config/ia64/itanium1.md: Likewise.
3725         * config/ia64/itanium2.md: Likewise.
3726         * config/iq2000/iq2000.md: Likewise.
3727         * config/mcore/mcore.c: Likewise.
3728         * config/mips/mips.c: Likewise.
3729         * config/mips/r3900.h: Likewise.
3730         * config/mips/sb1.md: Likewise.
3731         * config/pa/milli64.S: Likewise.
3732         * config/pa/pa.c: Likewise.
3733         * config/pa/pa.h: Likewise.
3734         * config/rs6000/8540.md: Likewise.
3735
3736 2004-08-13  Daniel Berlin  <dberlin@dberlin.org>
3737
3738         * Makefile.in (BOOT_CFLAGS): Remove accidental addition of -dU.
3739
3740 2004-08-13  J"orn Rennecke <joern.rennecke@superh.com>
3741
3742         * sh.md (cbranch define_delay) Use cond_delay_slot for
3743         non-anulled condition too.
3744
3745 2004-08-12  David Edelsohn  <edelsohn@gnu.org>
3746
3747         * config/rs6000/rs6000.c (any_parallel_operand): New predicate.
3748         * config/rs6000/rs6000.h (PREDICATE_CODES): Add
3749         any_parallel_operand, lmw_operation, stmw_operation,
3750         mfcr_operation, mtcrf_operation.  Remove PARALLEL from any_operand.
3751         * config/rs6000/rs6000.md (save_fpregs_{si,di}): Use
3752         any_parallel_operand.
3753         (return_and_restore_fpregs_{si,di}): Same.
3754
3755 2004-08-12  Zack Weinberg  <zack@codesourcery.com>
3756
3757         * genrecog.c (add_to_sequence): When processing a MATCH_PARALLEL,
3758         if pred->singleton != PARALLEL, issue a warning and pretend it was.
3759         Also issue a warning for any predicate we don't know about.
3760
3761 2004-08-12  Richard Henderson  <rth@redhat.com>
3762
3763         * config/i386/i386.c (internal_label_prefix): Export.
3764         (internal_label_prefix_len, struct ix86_address,
3765         ix86_decompose_address, maybe_get_pool_constant,
3766         ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes,
3767         memory_address_length): Export.
3768         (any_fp_register_operand, fp_register_operand,
3769         register_and_not_any_fp_reg_operand, register_and_not_fp_reg_operand,
3770         x86_64_general_operand, x86_64_szext_general_operand,
3771         x86_64_nonmemory_operand, x86_64_movabs_operand,
3772         x86_64_szext_nonmemory_operand, x86_64_immediate_operand,
3773         x86_64_zext_immediate_operand, const_int_1_31_operand,
3774         symbolic_operand, pic_symbolic_operand, local_symbolic_operand,
3775         tls_symbolic_operand, global_dynamic_symbolic_operand,
3776         local_dynamic_symbolic_operand, initial_exec_symbolic_operand,
3777         local_exec_symbolic_operand, call_insn_operand, sibcall_insn_operand,
3778         constant_call_address_operand, const0_operand, const1_operand,
3779         const248_operand, const_0_to_3_operand, const_0_to_7_operand,
3780         const_0_to_15_operand, const_0_to_255_operand, incdec_operand,
3781         shiftdi_operand, reg_no_sp_operand, mmx_reg_operand,
3782         general_no_elim_operand, nonmemory_no_elim_operand,
3783         index_register_operand, q_regs_operand, flags_reg_operand,
3784         non_q_regs_operand, zero_extended_scalar_load_operand,
3785         vector_move_operand, no_seg_address_operand, sse_comparison_operator,
3786         ix86_comparison_operator, ix86_carry_flag_operator,
3787         fcmov_comparison_operator, promotable_binary_operator,
3788         cmp_fp_expander_operand, ext_register_operand, binary_fp_operator,
3789         mult_operator, div_operator, arith_or_logical_operator,
3790         memory_displacement_operand, cmpsi_operand, long_memory_operand,
3791         aligned_operand): Move to predicates.md as define_predicates.
3792         (tls_symbolic_operand_1): Remove.
3793         (x86_64_sign_extended_value): Merge into x86_64_immediate_operand.
3794         (x86_64_zero_extended_value): Merge into x86_64_zext_immediate_operand.
3795         (legitimize_address): Merge tls_symbolic_operand contents.
3796         (ix86_expand_move): Likewise.
3797         * config/i386/i386-protos.h: Update for exports.
3798         * config/i386/i386.h (EXTRA_CONSTRAINT): Update for renames.
3799         (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Remove.
3800         * config/i386/i386.md: Include predicates.md.
3801         * config/i386/predicates.md: New file.
3802
3803 2004-08-13  Mark Mitchell  <mark@codesourcery.com>
3804
3805         PR c++/16924
3806         * config/i386/winnt.c (i386_pe_mark_dllexport): Set
3807         SYMBOL_REF_DECL.
3808         (i386_pe_mark_dllimport): Likewise.
3809         (i386_pe_encode_section_info): Likewise, when overriding
3810         dllimport attribute.
3811
3812 2004-08-12  Geoffrey Keating  <geoffk@apple.com>
3813
3814         * configure.ac: When testing for flex, nm, ar, and bison, check
3815         that they will actually be built.
3816         * configure: Regenerate.
3817
3818 2004-08-12  Ulrich Weigand  <uweigand@de.ibm.com>
3819
3820         * config/s390/s390.h (MAX_FIXED_MODE_SIZE): Define.
3821         (MOVE_MAX_PIECES): Define.
3822
3823 2004-08-12  Devang patel  <dpatel@apple.com>
3824
3825         * dbxout.c (dbxout_begin_prologue): New function.
3826         (dbx_debug_hooks): Use new begin prologue hook.
3827         (dbxout_function_end): Emit N_ENSYM.
3828         * stab.def (N_BNSYM, N_ENSYM): Define and document these two new stabs.
3829
3830 2004-08-12  Janis Johnson  <janis187@us.ibm.com>
3831
3832         * config/rs6000/altivec.h (vec_dst): Fix C++ functions whose first
3833         argument is float*.
3834
3835         * config/rs6000/rs6000.c (altivec_init_builtins): Fix argument type
3836         for vec_dss.
3837
3838         * doc/extend.texi (AltiVec builtins): Fix description for recent
3839         changes.  Update operation list to match current support.
3840
3841 2004-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
3842
3843         * config/s390/s390.c (struct s390_frame_layout): New struct as element
3844         of struct machine_function.
3845         (cfun->machine->frame_size): Moved into cfun->machine->frame_layout and
3846         changed all uses.
3847         (cfun->machine->save_fprs_p): Replaced by cfun_save_high_fprs and
3848         changed all uses.
3849         (cfun_frame_layout, cfun_save_high_fprs_p, cfun_gprs_save_area_size)
3850         (cfun_set_fpr_bit, cfun_fpr_bit_p): New macros.
3851         (s390_frame_area, s390_register_info): New functions.
3852         (s390_optimize_prolog): Renamed to s390_optimize_prologue.  Added check
3853         for base register.
3854         (s390_return_addr_rtx, s390_return_address_offset)
3855         (s390_va_start, s390_gimplify_va_arg)
3856         (s390_emit_prologue, s390_emit_epilogue): Adjusted for new stack
3857         layouts.
3858         (s390_frame_info): Functionality partly moved to s390_register_info.
3859         Made adaptions for new stack layout.
3860         (save_gprs, restore_gprs): Changed meaning of second parameter and
3861         adapted all callers.
3862
3863         * config/s390/s390.h (s390_backchain_string): New global variable.
3864         (MASK_BACKCHAIN): Removed definition.
3865         (TARGET_BACKCHAIN): Changed check.
3866         (TARGET_KERNEL_BACKCHAIN): New macro.
3867         (TARGET_SWITCHES): Removed entries of "backchain" and "no-backchain".
3868         (TARGET_OPTIONS): Added "backchain", "no-backchain" and
3869         "kernel-backchain".
3870         (DYNAMIC_CHAIN_ADDRESS): Adjusted for new stack layouts.
3871
3872         * config/s390/s390.md ("allocate_stack"): Added TARGET_KERNEL_BACKCHAIN
3873         as condition.  Adjusted for new stack layout.
3874
3875         * doc/invoke.texi: Added documentation for new option
3876         "-mkernel-backchain" and adjusted documentation of "-mbackchain" and
3877         "-mno-backchain".
3878
3879 2004-08-12  Paul Brook  <paul@codesourcery.com>
3880
3881         * config/arm/lib1funcs.asm (ARM_FUNC_ALIAS): Also alias _L__name.
3882         (aeabi_uidivmod, aeabi_idivmod): Provide thumb implementation.
3883
3884 2004-08-12  David Daney  <ddaney@avtrex.com>
3885
3886         * java/gcj.texi:  Add subsection on signal usage.
3887
3888 2004-08-12  David Edelsohn  <edelsohn@gnu.org>
3889
3890         * expr.c (move_by_pieces): Set alignment for move to minimum of
3891         MOVE_MAX_PIECES mode alignment and the largest non-slow mode
3892         alignment, but not less than the original alignment.
3893         (move_by_pieces_ninsns): Same.
3894         (can_store_by_pieces): Similar for store with STORE_MAX_PIECES.
3895         (store_by_pieces_1): Same.
3896
3897 2004-08-12  Diego Novillo  <dnovillo@redhat.com>
3898
3899         PR tree-optimization/16867
3900         * tree.c (is_global_var): New function.
3901         (needs_to_live_in_memory): Check for TREE_ADDRESSABLE.
3902         Call is_global_var.
3903         * tree.h (DECL_NEEDS_TO_LIVE_IN_MEMORY_INTERNAL): Remove.
3904         Update all users.
3905         (is_global_var): Declare.
3906         * tree-dfa.c (dump_variable): Display global and addressable
3907         attributes.
3908         (add_referenced_var): Clarify documentation when marking
3909         variables call-clobbered.
3910         * tree-flow-inline.h (is_call_clobbered): Call is_global_var
3911         instead of needs_to_live_in_memory.
3912         (mark_call_clobbered): If the variable is a tag, mark it
3913         DECL_EXTERNAL.
3914         * tree-gimple.c (is_gimple_reg): Don't check for
3915         TREE_ADDRESSABLE.
3916         (is_gimple_non_addressable): Likewise.
3917         * tree-ssa-alias.c (get_nmt_for): Always check whether the tag
3918         needs to be marked call-clobbered.
3919         (setup_pointers_and_addressables): Call is_global_var instead
3920         of needs_to_live_in_memory.
3921         * tree-ssa-dce.c (need_to_preserve_store): Remove.
3922         Update all users with is_global_var.
3923         (mark_stmt_if_obviously_necessary): Fix processing of aliased
3924         stores.  Don't check the virtual definitions.  Rather, check
3925         whether the store is going into global memory.
3926         (find_obviously_necessary_stmts): Get the symbol from the PHI
3927         result.
3928         * tree-ssa-operands.c (get_call_expr_operands): Do not add
3929         clobbering may-defs if the call does not have side effects.
3930
3931 2004-08-12  Jakub Jelinek  <jakub@redhat.com>
3932
3933         PR c++/16276
3934         * output.h (default_function_rodata_section,
3935         default_no_function_rodata_section): New prototypes.
3936         * target.h (struct gcc_target): Add asm_out.function_rodata_section.
3937         * target-def.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
3938         (TARGET_ASM_OUT): Add it.
3939         * varasm.c (default_function_rodata_section,
3940         default_no_function_rodata_section): New functions.
3941         * final.c (final_scan_insn): Call
3942         targetm.asm_out.function_rodata_section instead of
3943         readonly_data_section.
3944         * config/darwin.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
3945         * config/mcore/mcore.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
3946         * config/ip2k/ip2k.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
3947         * config/rs6000/xcoff.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
3948         Likewise.
3949         * config/alpha/alpha.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
3950         * config/i386/cygming.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
3951         Likewise.
3952         * config/i386/i386-interix.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
3953         Likewise.
3954         * config/arm/pe.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
3955         * config/avr/avr.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
3956         * doc/tm.texi (TARGET_ASM_FUNCTION_RODATA_SECTION): Document.
3957
3958 2004-08-12  Paul Brook  <paul@codesourcery.com>
3959
3960         * dwarf2out.h (dwarf2out_frame_finish): Conditionalize outputting eh
3961         frame info.
3962         * doc/tm.texi: Document interaction between TARGET_UNWIND_INFO and
3963         DWARF2_UNWIND_INFO.
3964
3965 2004-08-12  Ben Elliston  <bje@au.ibm.com>
3966
3967         PR target/16286
3968         * config/rs6000/altivec.h: Change vector to __vector throughout.
3969         (Except for the `vector' macro itself).
3970
3971 2004-08-12  Zack Weinberg  <zack@codesourcery.com>
3972
3973         * genpreds.c: Add capability to generate predicate bodies as
3974         well as function prototypes.  Write function prototypes for
3975         the generic predicates too.
3976         (process_define_predicate, write_tm_preds_h, write_insn_preds_c)
3977         (write_predicate_subfunction, mark_mode_tests, add_mode_tests)
3978         (write_match_code, write_predicate_expr, write_one_predicate_function)
3979         (parse_option): New functions.
3980         (output_predicate_decls): Delete.
3981         (main): Read the machine description, process DEFINE_PREDICATE or
3982         DEFINE_SPECIAL_PREDICATE patterns, write tm-preds.h or insn-preds.c
3983         as appropriate.
3984
3985         * genrecog.c (struct decision_test): Replace index with
3986         struct pred_data pointer.
3987         (next_index): Remove, unused.
3988         (pred_table, preds, special_mode_pred_table): Delete.
3989         (compute_predicate_codes, process_define_predicate): New functions.
3990         (validate_pattern, add_to_sequence, write_switch): Update for
3991         new data structures.
3992         (main): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
3993         Check both error_count and have_error.
3994
3995         * gensupport.c (in_fname, first_predicate): New globals.
3996         (define_pred_queue, define_pred_tail): New RTL-pattern queue.
3997         (predicate_table, last_predicate, old_pred_table)
3998         (old_special_pred_table): New statics.
3999         (hash_struct_pred_data, eq_struct_pred_data, lookup_predicate)
4000         (add_predicate, init_predicate_table): New functions.
4001         (process_rtx): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
4002         (init_md_reader_args_cb): Use the global in_fname.  No need to zero
4003         it or max_include_len.  Call init_predicate_table.
4004         (read_rtx): Run the predicate queue after the attribute queue
4005         but before all the others.
4006         * gensupport.h (in_fname, struct pred_data, first_predicate)
4007         (lookup_predicate, add_predicate, FOR_ALL_PREDICATES): Declare.
4008         * rtl.def (MATCH_CODE, MATCH_TEST, DEFINE_PREDICATE)
4009         (DEFINE_SPECIAL_PREDICATE): New RTL codes.
4010         * dummy-conditions.c: Don't include bconfig.h, system.h,
4011         coretypes.h, tm.h, or system.h.  Do include stddef.h.
4012         Duplicate declaration of struct c_test from gensupport.h.
4013
4014         * Makefile.in (OBJS-common): Add insn-preds.o.
4015         (STAGESTUFF, .PRECIOUS): Add insn-preds.c.
4016         (insn-preds.c, insn-preds.o): New rules.
4017         (s-preds): Also generate insn-preds.c.
4018         (dummy-conditions.o, genpreds$(build_exeext), genpreds.o):
4019         Update dependencies.
4020         (print-rtl.o, print-rtl1.o): Correct dependencies.
4021
4022         * recog.h: Delete prototypes of predicate functions.
4023
4024         * doc/md.texi (Predicates): New section with complete
4025         documentation of operand/operator predicates.  Remove some
4026         incomplete documentation of predicates from other places.
4027         * doc/tm.texi (Misc): Move SPECIAL_MODE_PREDICATES next to
4028         PREDICATE_CODES; indicate that both are deprecated in favor
4029         of define_predicate/define_special_predicate.
4030
4031         * config/ia64/ia64.c: All predicate function definitions moved
4032         to ia64.md, except
4033         (small_addr_symbolic_operand, tls_symbolic_operand): Delete.
4034         (ia64_expand_load_address, ia64_expand_move):
4035         Check SYMBOL_REF_TLS_MODEL directly, don't use tls_symbolic_operand.
4036
4037         * config/ia64/ia64.md: All predicates now defined here.
4038         (symbolic_operand): Is now a special predicate.
4039
4040         * config/ia64/ia64.h: Declare ia64_section_threshold.
4041         (PREDICATE_CODES): Delete.
4042
4043 2004-08-12  Richard Henderson  <rth@redhat.com>
4044
4045         * c-common.h (STATEMENT_LIST_HAS_LABEL): New.
4046         * c-semantics.c (add_stmt): Set it.
4047         * c-decl.c (finish_decl): Use it to create a new BIND_EXPR
4048         before instantiating a variable sized type.
4049
4050 2004-08-12  Richard Henderson  <rth@redhat.com>
4051
4052         * stor-layout.c (round_up, round_down): Move ...
4053         * fold-const.c (round_up, round_down): ... here.  Use
4054         multiple_of_p to avoid any arithmetic at all.
4055
4056 2004-08-12  Richard Henderson  <rth@redhat.com>
4057
4058         * gimplify.c (struct gimplify_init_ctor_preeval_data): New.
4059         (gimplify_init_ctor_preeval_1): New.
4060         (gimplify_init_ctor_preeval): New.
4061         (gimplify_init_ctor_eval): New.
4062         (gimplify_init_constructor): Use them.  Always gimplify the LHS
4063         object first.
4064
4065 2004-08-12  Ziemowit Laski  <zlaski@apple.com>
4066
4067         (This patch is part of merge of objc-improvements-branch
4068         into mainline.)
4069
4070         * doc/frontends.texi: Mention Objective-C++ in addition to
4071         Objective-C.
4072         * doc/install.texi: Add 'obj-c++' to list of configurable
4073         languages.
4074         * doc/invoke.texi: Rename Objective-C option headings to
4075         indicate they also apply to Objective-C++.  List file
4076         extensions for Objective-C++ sources.  Mention that
4077         ObjC and ObjC++ compilations may also use C and C++ options,
4078         respectively.  Point users to doc/standards.texi for
4079         further info on ObjC and ObjC++.
4080         * doc/sourcebuild.texi: Mention the objcp/ directory and
4081         the Objective-C++ sources it contains.
4082         * doc/standards.texi: Update link to Apple ObjC site;
4083         add link to gcc readings.html WWW doc.
4084
4085 2004-08-12  Alan Modra  <amodra@bigpond.net.au>
4086
4087         * config/rs6000/rs6000.c (function_arg_padding): Revert 2004-07-28
4088         and 2004-07-14 changes.
4089
4090 2004-08-12  Paul Brook  <paul@codesourcery.com>
4091
4092         * doc/invoke.texi: Fix typo.
4093
4094 2004-08-11 Devang Patel  <dpatel@apple.com>
4095
4096         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add -dead_strip
4097         and -no_dead_strip_inits_and_terms.
4098         (LINK_SPEC): Same.
4099         * doc/invoke.texi (Darwin Options): Document -dead_strip and
4100         -no_dead_strip_inits_and_terms.
4101
4102 2004-08-11  Paul Brook  <paul@codesourcery.com>
4103
4104         * config/arm/arm-protos.h (arm_finalize_pic) Rename ...
4105         (arm_load_pic_register): ... to this.
4106         * config/arm/arm.c (arm_finalize_pic): Rename ...
4107         (arm_load_pic_register): ... to this.  Always output insns at the
4108         current location.  Load via low reg in thumb mode.
4109         (arm_expand_prologue): Call arm_load_pic_register.
4110         (thumb_expand_prologue): Ditto.
4111         * config/arm/arm.h (FINALIZE_PIC): Remove.
4112         * config/arm/arm.md (builtin_setjmp_receiver): Call
4113         arm_load_pic_register.
4114
4115 2004-08-11  Paul Brook  <paul@codesourcery.com>
4116
4117         * arm.c (thumb_force_lr_save): Add prototype.
4118         (thumb_compute_save_reg_mask): New function.
4119         (thumb_find_work_register): New function.
4120         (arm_get_frame_offsets): Use thumb_compute_save_reg_mask.
4121         (thumb_unexpanded_epilogue): Ditto.  Remove redundant code.
4122         Don't clobber r3 when removing pretend args.
4123         (thumb_expand_prologue): Use thumb_compute_save_reg_mask.
4124         (thumb_output_function_prologue): Use new functions.
4125         (thumb_set_return_address): Use thumb_compute_save_reg_mask.
4126         * arm.h (THUMB_REG_PUSHED_P): Remove.
4127
4128 2004-08-11  James E Wilson  <wilson@specifixinc.com>
4129
4130         PR rtl-optimization/16490
4131         * cfgrtl.c (cfg_layout_split_edge): Set global_live_at_start and
4132         global_live_at_end for new basic block if already set for other blocks.
4133
4134 2004-08-11 David Edelsohn  <edelsohn@gnu.org>
4135
4136         * config/rs6000/rs6000.h (MAX_FIXED_MODE_SIZE): Define.
4137
4138         * config/rs6000/rs6000.md (mfcr rlwinm patterns): Set length to 8.
4139         (mfcr rlwinm rlwinm patterns): Set length to 12.
4140
4141 2004-08-11  Andrew MacLeod  <amacleod@redhat.com>
4142
4143         * tree-flow-inline.h (get_def_ops, get_use_ops, get_v_may_def_ops,
4144         get_vuse_ops,get_v_must_def_ops): Add operand structure reference.
4145         (get_v_may_def_result_ptr, get_v_may_def_op_ptr): New access struct.
4146         (start_ssa_stmt_operands): Delete.
4147         * tree-flow.h (struct stmt_ann_d): Replace operand vectors with new
4148         struct stmt_operands_d.
4149         (build_ssa_operands): New extern entry point.
4150         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove operand
4151         building code, replace with create_ssa_artficial_load_stmt().
4152         * tree-ssa-operands.c (struct voperands_d): Delete.
4153         (allocate_v_may_def_optype): Allocate v_may_def_operand_type_t vector.
4154         (allocate_v_must_def_optype): Use sizeof (tree), not sizeof (tree *).
4155         (free_uses, free_defs, free_vuses, free_v_may_defs,
4156         free_v_must_defs): Remove dealloc parameter.
4157         (remove_vuses, remove_v_may_def, remove_v_must_defs): Delete.
4158         (finalize_ssa_defs, finalize_ssa_uses, finalize_ssa_v_may_defs,
4159         finalize_ssa_vuses, finalize_ssa_v_must_defs): Perform all operand
4160         vector comparisons, ssa_name reuse, and allocations here.
4161         (verify_start_operands): Delete.
4162         (finalize_ssa_stmt_operands): Set new operands by calling finalize
4163         routines.
4164         (start_ssa_stmt_operands): Move from tree-flow-inline.h.
4165         (append_def, append_usei): Simplify to simple accumulation.
4166         (append_v_may_def, append_vuse, append_v_must_def): Simplify to avoiding
4167         duplicates and simple accumulation.
4168         (free_ssa_operands): Free vectors in a stmt_operand structure.
4169         (build_ssa_operands): New. Create a new stmt_operand structure from
4170         a stmt and an old set of stmt_operands.
4171         (get_stmt_operands): Simplify and call build_ssa_operands.
4172         (get_expr_operands, get_asm_expr_operands, get_indirect_ref_operands,
4173         get_call_expr_operands, add_stmt_operand, add_call_clobber_ops,
4174         add_call_read_ops): Don't pass prev_vops around anymore.
4175         (note_addressable): Return if no stmt annotation.
4176         (copy_virtual_operands): Access v_may_def operands through a struct.
4177         (create_ssa_artficial_load_stmt): New.  Create a load stmt for DOM's
4178         hash tables without treating the stmt as a real stmt.
4179         * tree-ssa-operands.h (struct v_may_def_operand_type): New.  Access
4180         v_may_def def and use through a struct instead of 2 array elements.
4181         (struct v_may_def_optype_d): Use v_may_def_operand_type.
4182         (struct stmt_operands_d): New.  Struct for storing all operand vectors.
4183
4184 2004-08-11  Nick Clifton  <nickc@redhat.com>
4185
4186         * config/arm/arm.c (arm_is_longcall_p): Update comment describing
4187         this funciton's behaviour.  Return true when the current function
4188         has a section attribute and -mlong-calls is in effect.
4189         * config/arm/arm.h (ARM_DECLARE_FUNCTION_SIZE): Do not set the
4190         short-call marker when -mlong-calls is in effect and the function
4191         has a section attribute.
4192
4193 2004-08-10  Zack Weinberg  <zack@codesourcery.com>
4194
4195         * stmt.c (expand_return): If asked to return the RESULT_DECL,
4196         just call expand_value_return on result_rtl.
4197
4198 2004-08-10  Richard Henderson  <rth@redhat.com>
4199
4200         * builtins.def (BUILT_IN_STACK_ALLOC): Remove.
4201         * builtins.c (expand_builtin) <BUILT_IN_STACK_ALLOC>: Remove.
4202         * dwarf2out.c (loc_descriptor): Handle PARALLEL here ...
4203         (add_location_or_const_value_attribute): ... not here.  Use
4204         loc_descriptor_from_tree if possible.
4205         (loc_descriptor_from_tree_1): Rename from loc_descriptor_from_tree.
4206         Simplify address handling.  Handle DECL_VALUE_EXPR.  Handle register
4207         values specially.
4208         (loc_descriptor_from_tree): New.  Update callers.
4209         * expr.c (expand_var): Ignore DECL_VALUE_EXPR variables.
4210         * gimplify.c (gimplify_decl_expr): Lower variable sized types to
4211         pointer plus dereference.  Set DECL_VALUE_EXPR.  Set save_stack.
4212         (gimplify_call_expr): Do not recognize BUILT_IN_STACK_ALLOC
4213         and BUILT_IN_STACK_RESTORE.
4214         (gimplify_expr): Lower DECL_VALUE_EXPR decls.
4215         * stmt.c (expand_stack_alloc): Remove.
4216         * tree-mudflap.c (mx_register_decls): Don't look for
4217         BUILT_IN_STACK_ALLOC.
4218         * tree-nested.c (convert_local_reference): Likewise.
4219         * tree.h (DECL_VALUE_EXPR): New.
4220
4221 2004-08-10  Richard Henderson  <rth@redhat.com>
4222
4223         * stor-layout.c (round_up): Check for 0/1 before dividing.
4224         (round_down): Likewise.
4225
4226         * tree-tailcall.c (suitable_for_tail_opt_p): Also check DECL_EXTERNAL.
4227
4228 2004-08-09  Mark Mitchell  <mark@codesourcery.com>
4229
4230         * config.gcc (arm*-*-eabi*): New target.
4231         * defaults.h (TARGET_LIBGCC_FUNCS): New macro.
4232         (TARGET_LIB_INT_CMP_BIASED): Likewise.
4233         * expmed.c (expand_divmod): Try a two-valued divmod function as a
4234         last resort.
4235         * gthr.h: Remove bogus tokens at end of #pragma.
4236         * optabs.c (expand_twoval_binop_libfunc): New function.
4237         (prepare_cmp_insn): Handle the !TARGET_LIB_INT_CMP_BIASED case.
4238         (prepare_float_lib_cmp): Try reversing the condition.
4239         (debug_optab_libfuncs): New function.
4240         * optabs.h (expand_twoval_binop_libfunc): Declare.
4241         * config/arm/arm.c (arm_init_libfuncs): New function.
4242         (arm_compute_initial_eliminatino_offset): Return HOST_WIDE_INT.
4243         (TARGET_INIT_LIBFUNCS): Define it.
4244         * config/arm/arm.h (TARGET_BPABI): New macro.
4245         * config/arm/arm-protos.h
4246         (arm_compute_initial_elimination_offset): Return HOST_WIDE_INT.
4247         * config/arm/bpabi.S: New file.
4248         * config/arm/bpabi.c: Likewise.
4249         * config/arm/bpabi.h: Likewise.
4250         * config/arm/ieee754-df.S (__aeabi_dneg): New function or alias.
4251         (__aeabi_drsub): Likewise.
4252         (__aeabi_dsub): Likewise.
4253         (__aeabi_dadd): Likewise.
4254         (__aeabi_ui2d): Likewise.
4255         (__aeabi_i2d): Likewise.
4256         (__aeabi_f2d): Likewise.
4257         (__aeabi_dmul): Likewise.
4258         (__aeabi_ddiv): Likewise.
4259         (__aeabi_cdrcmple): Likewise.
4260         (__aeabi_cdcmpeq): Likewise.
4261         (__aeabi_cdcmple): Likewise.
4262         (__aeabi_dcmpeq): Likewise.
4263         (__aeabi_dcmplt): Likewise.
4264         (__aeabi_dcmple): Likewise.
4265         (__aeabi_dcmpge): Likewise.
4266         (__aeabi_dcmpgt): Likewise.
4267         (__aeabi_dcmpun): Likewise.
4268         (__aeabi_d2iz): Likewise.
4269         (__aeabi_d2uiz): Likewise.
4270         (__aeabi_d2f): Likewise.
4271         * config/arm/ieee754-sf.S (__aeabi_fneg): New function or alias.
4272         (__aeabi_frsub): Likewise.
4273         (__aeabi_fsub): Likewise.
4274         (__aeabi_fadd): Likewise.
4275         (__aeabi_ui2f): Likewise.
4276         (__aeabi_i2f): Likewise.
4277         (__aeabi_fmul): Likewise.
4278         (__aeabi_fdiv): Likewise.
4279         (__aeabi_cfrcmple): Likewise.
4280         (__aeabi_cfcmpeq): Likewise.
4281         (__aeabi_cfcmple): Likewise.
4282         (__aeabi_fcmpeq): Likewise.
4283         (__aeabi_fcmplt): Likewise.
4284         (__aeabi_fcmple): Likewise.
4285         (__aeabi_fcmpge): Likewise.
4286         (__aeabi_fcmpgt): Likewise.
4287         (__aeabi_fcmpun): Likewise.
4288         (__aeabi_f2iz): Likewise.
4289         (__aeabi_f2uiz): Likewise.
4290         * config/arm/lib1funcs.asm (ARM_CALL): New macro.
4291         (__aeabi_uidivmod): New function or alias.
4292         (__aeabi_idivmod): Likewise.
4293         (__aeabi_idiv0): Likewise.
4294         (__aeabi_ldiv0): Likewise.
4295         (__aeabi_llsr): Likewise.
4296         (__aeabi_lasr): Likewise.
4297         (__aeabi_llsl): Likewise.
4298         (bpabi.S): Include it.
4299         * config/arm/libgcc-bpabi.ver: New file.
4300         * config/arm/symbian.h (ARM_DEFAULT_ABI): Remove.
4301         (LINK_SPEC): Remove.
4302         * config/arm/t-arm-elf (LIB1ASMFUNCS): Add __aeabi_lcmp and
4303         __aeabi_ulcmp.
4304         * config/arm/t-bpabi: New file.
4305         * doc/tm.texi (TARGET_LIBGCC_FUNCS): New entry.
4306         (TARGET_LIB_INT_CMP_BIASED): Likewise.
4307
4308 2004-08-10  David Edelsohn  <edelsohn@gnu.org>
4309
4310         * config/rs6000/rs6000-protos.h (expand_block_clear): Declare.
4311         * config/rs6000/rs6000.md (clrmemsi): New pattern.
4312         * config/rs6000/rs6000.c (expand_block_clear): New function.
4313         (expand_block_move): Convert alignment to bits.  Use SImode and
4314         HImode for unaligned addresses if not STRICT_ALIGNMENT.
4315
4316 2004-08-10  Caroline Tice  <ctice@apple.com>
4317
4318         * varasm.c (unlikely_section_label): New global variable.
4319         (unlikely_text_section_name): New global variable.
4320         (text_section):  Remove alignment statement.
4321         (unlikely_text_section): Remove alignment statement; use
4322         unlikely_section_label rather than hard-coded string.
4323         (assemble_start_function): Initialize unlikely_section_label and
4324         unlikely_text_section_name;  make sure cold section is properly
4325         aligned at start of function; output unlikely_section_label if
4326         appropriate.
4327
4328 2004-08-10  Ulrich Weigand  <uweigand@de.ibm.com>
4329
4330         * config/s390/s390-protos.h (s390_canonicalize_comparison): Declare.
4331         * config/s390/s390.c (s390_canonicalize_comparison): New function.
4332         * config/s390/s390.h (CANONICALIZE_COMPARISON): Define.
4333         * config/s390/s390.md ("*tmdi_ext", "*tmsi_ext", "*tmqisi_ext",
4334         "*tmqidi_ext", "*tmdi_mem", "*tmsi_mem", "*tmhi_mem"): Remove.
4335         ("*tmqi_mem"): Remove SUBREG from pattern.
4336         ("*anddi3_cconly"): Prevent accidentally matching TM pattern.
4337         ("*andsi3_cconly"): Likewise.
4338
4339 2004-08-10  H.J. Lu  <hongjiu.lu@intel.com>
4340
4341         PR target/16909
4342         * config/i386/i386.md (*strsetdi_rex_1): Use DI instead of SI.
4343
4344 2004-08-10  Janis Johnson  <janis187@us.ibm.com>
4345
4346         * doc/sourcebuild.texi (compat testing): Document available test
4347         framework commands.  Use the preferred spelling of DejaGnu.
4348
4349 2004-08-10  Daniel Berlin <dberlin@dberlin.org>
4350
4351         * lambda.h: Add matrix type, and prototypes for remainder of
4352         matrix and vector functions.
4353         (lambda_vector_mult_const): New function.
4354         (lambda_vector_negate): Ditto.
4355         (lambda_vector_add): Ditto.
4356         (lambda_vector_add_mc): Ditto.
4357         (lambda_vector_copy): Ditto.
4358         (lambda_vector_zerop): Ditto.
4359         (lambda_vector_equal): Ditto.
4360         (lambda_vector_min_nz): Ditto.
4361         (lambda_vector_first_nz): Ditto.
4362         (lambda_vector_matrix_mult): Ditto.
4363         * lambda-mat.c: New file.
4364         * Makefile.in (lambda-mat.o): New.
4365
4366 2004-08-10  Andrew MacLeod  <amacleod@redhat.com>
4367
4368         * tree-cfg.c (bsi_insert_before, bsi_insert_after): Call modify_stmt
4369         after linking stmt into the program.
4370         (bsi_remove): Don't call modify_stmt.
4371         * tree-complex.c (update_complex_assignment,
4372         expand_complex_comparison): Call modify_stmt after changing the stmt.
4373         * tree-outof-ssa.c (rewrite_trees): Call modify_stmt only if not
4374         removing the stmt.
4375         * tree-ssa-ccp.c (substitute_and_fold): Call modify_stmt after changing
4376         the stmt, and only if needed.
4377         * tree-ssa-dom.c (thread_across_edge): Pass no annotation for a dummy
4378         expression.
4379         (simplify_rhs_and_lookup_avail_expr): Don't take an annotation param.
4380         (simplify_cond_and_lookup_avail_expr): Use modify_stmt.
4381         (simplify_switch_and_lookup_avail_expr): Don't take an annotation param.
4382         (eliminate_redundant_computations): Don't pass an annotation. Call
4383         modify_stmt rather than setting the annotation directly.
4384         (record_equivalences_from_stmt): Remove unused local 'j'.
4385         (cprop_operand): Take a stmt rather than an annotation as a parameter.
4386         Call modify_stmt.
4387         (cprop_into_stmt): Pass stmt rather than annotation.
4388         (update_rhs_and_lookup_avail_expr): Call modify_stmt.
4389         * tree-ssa-loop-im.c (schedule_sm): Call get_stmt_ann rather than
4390         modify_stmt.
4391         * tree-ssa.c (propagate_into_addr): Dont call modify_stmt.
4392
4393 2004-08-10  Jason Merrill  <jason@redhat.com>
4394
4395         PR middle-end/16948
4396         * function.c (expand_function_start): Handle DECL_BY_REFERENCE on
4397         the RESULT_DECL.
4398
4399 2004-08-10  Geoffrey Keating  <geoffk@apple.com>
4400
4401         * tree-vn.c (val_expr_pair_expr_eq): Compare vuses, to match the
4402         hash function.
4403
4404 2004-08-10  Roger Sayle  <roger@eyesopen.com>
4405
4406         * config/mips/mips.md: New reciprocal square root patterns that
4407         match sqrt(1.0/x) in addition to the existing 1.0/sqrt(x) insns.
4408
4409 2004-08-10  Paul Brook  <paul@codesourcery.com>
4410
4411         * config/arm/arm-protos.h (arm_set_return_address,
4412         thumb_set_return_address): Add prototypes.
4413         * config/arm/arm.h (ARM_FT_EXCEPTION_HANDLER): Remove.
4414         * config/arm/arm.c (arm_compute_func_type,
4415         use_return_insn, arm_compute_save_reg0_reg12_mask,
4416         arm_compute_save_reg_mask, arm_output_function_prologue,
4417         arm_output_epilogue): Replace ARM_FT_EXCEPTION_HANDLER with
4418         current_function_calls_eh_return.
4419         (thumb_exit, thumb_pushpop, thumb_unexpanded_epilogue): Replace
4420         old eh code.
4421         (arm_set_return_address, thumb_set_return_address): New functions.
4422         * config/arm/arm.h (MUST_USE_SJLJ_EXCEPTIONS, DWARF2_UNWIND_INFO,
4423         ARM_EH_STACKADJ_REGNUM, EH_RETURN_STACKADJ_RTX): Define.
4424         * config/arm/arm.md (VUNSPEC_EH_RETURN): Add.
4425         (epilogue): Use the stackadj register.
4426         (eh_return, arm_eh_return, thumb_eh_return): New pattern.
4427
4428 2004-08-10  Jakub Jelinek  <jakub@redhat.com>
4429
4430         PR target/3144
4431         * expr.c (move_by_pieces_ninsns): Add max_size argument.
4432         (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1 to it.
4433         (CLEAR_BY_PIECES_P): Pass STORE_MAX_PIECES + 1 to it.
4434         (STORE_BY_PIECES_P): Define similarly to CLEAR_BY_PIECES_P,
4435         but using MOVE_RATIO.
4436         (move_by_pieces): Pass max_size to move_by_pieces_ninsns.
4437         (can_store_by_pieces): Change max_size type to unsigned int.
4438         (store_by_pieces_1): Likewise.  Pass max_size to
4439         move_by_pieces_ninsns.
4440         * config/s390/s390.h (STORE_BY_PIECES_P): Define.
4441         * config/sh/sh.c (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1
4442         to move_by_pieces_ninsns.
4443         (STORE_BY_PIECES_P): Define.
4444         * config/ns32k/ns32k.h (STORE_BY_PIECES_P): Pass STORE_MAX_PIECES + 1
4445         to move_by_pieces_ninsns.
4446         * doc/tm.texi (STORE_BY_PIECES_P): Document changed default.
4447
4448         * config/i386/i386.h (CLEAR_RATIO): Define.
4449
4450 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
4451
4452         * expr.c (expand_expr_real_1): Add back code that was not dead.
4453
4454 2004-08-09  Andrew Pinski  <apinski@apple.com>
4455
4456         * c-common.c (c_common_get_alias_set): Set the aliasing set of the type
4457         which is found to be compatible before returning the aliasing set.
4458
4459 2004-08-09  Daniel Jacobowitz  <dan@debian.org>
4460
4461         * ggc-zone.c (struct alloc_zone): Add statistics counters.
4462         (always_collect): New flag.
4463         (ggc_alloc_zone_1): Update statistics support.  Don't include
4464         overhead in allocated counter.
4465         (sweep_pages): Update allocated counter for large pages.  Don'y
4466         include overhead.
4467         (ggc_collect_1): Always collect.
4468         (ggc_collect): Honor always_collect flag.  Sum all zones to decide
4469         whether to collect.
4470         (SCALE, LABEL): New macros.
4471         (ggc_print_statistics): Add statistics support.
4472
4473 2004-08-09  Roger Sayle  <roger@eyesopen.com>
4474
4475         * expmed.c (sdiv_pow2_cheap, smod_pow2_cheap): Change type to bool.
4476         (init_expmed): Fix potential overrun problem with "all.reg".
4477         (expand_sdiv2_pow2): Add an alternate implementation for signed
4478         division, if the target provides a suitable conditional move insn.
4479
4480 2004-08-09  Paul Brook  <paul@codesourcery.com>
4481         Richard Henderson  <rth@redhat.com>
4482
4483         * unwind-dw2.c (uw_install_context_1): Update target saved stack
4484         pointer.
4485
4486 2004-08-09  Geoffrey Keating  <geoffk@apple.com>
4487
4488         * ggc-common.c (ggc_rlimit_bound): Don't check RSS limit.
4489         Check DATA limit only if there's no AS limit.  Ignore insanely
4490         low DATA limits.
4491         (ggc_min_heapsize_heuristic): Don't divide AS or RSS limits by 8,
4492         but take care that the AS limit isn't overrun.
4493         * doc/invoke.texi: Update documentation of min-heapsize parameter.
4494
4495 2004-08-09  Jeff Law  <law@redhat.com>
4496
4497         * Makefile.in (OBJC-common): Add tree-ssa-threadupdate.c
4498         (tree-ssa-threadupdate.o): Add dependencies.
4499         * tree-ssa-threadupdate.c: New file.
4500         * tree-flow.h (incoming_edge_threaded): New flag in block annotation.
4501         (rewrite_vars_out_of_ssa): Remove prototype.
4502         (cleanup_tree_cfg): Returns a bool.
4503         * tree.h (thread_through_all_blocks): Prototype.
4504         * tree-outof-ssa.c  (SSANORM_*): Move into here.
4505         (remove_ssa_form): Now static.
4506         (rewrite_vars_out_of_ssa): Kill.
4507         * tree-ssa-live.c (register_ssa_partitions_for_vars): Kill.
4508         * tree-ssa-live.h (SSANORM_*): Moved into tree-outof-ssa.c.
4509         (remove_ssa_form, register_partitions_for_vars): Kill declarations.
4510         * tree-cfg.c (cleanup_tree_cfg): Return a value indicating if
4511         anything was changed.
4512         * tree-phinodes.c (add_phi_arg): Get the block for the PHI
4513         from the PHI's annotation rather than the edge associated with
4514         the new argument.
4515         * tree-ssa-dom.c (redirection_edges): Kill.
4516         (redirect_edges_and_update_ssa_graph): Kill.
4517         (tree_ssa_dominator_optimize): Do not reset forwardable flag
4518         for blocks anymore.  Do not initialize redirection_edges.
4519         Call thread_through_all_blocks.  Simplify code for cleanup
4520         of the CFG and iterating.  No longer call cleanup_tree_cfg
4521         outside the iteration loop.
4522         (thread_across_edge): No longer mess with forwardable blocks.
4523
4524 2004-08-09  Zack Weinberg  <zack@codesourcery.com>
4525
4526         * explow.c (memory_address): Use memory_address_p.
4527         * recog.c (general_operand): Likewise.
4528         * regrename.c: No need to define REG_OK_STRICT.
4529
4530 2004-08-09  Steven Bosscher  <stevenb@suse.de>
4531
4532         * timevar.def (TV_CPROP1, TV_CPROP2, TV_PRE, TV_HOIST, TV_LSM):
4533         New timers.
4534         * gcse.c: Include timevar.h.
4535         (const_prop_count, copy_prop_count): Rename to global_const_prop_count
4536         and global_copy_prop_count.
4537         (local_const_prop_count, local_copy_prop_count): New static globals.
4538         (gcse_main): Set the right timevar for each pass.
4539         (cprop_jump): Increment global_const_prop_count when a constant is
4540         propagated.  Add "GLOBAL" to dump output.
4541         (cprop_insn): Increment global_const_prop_count when a constant is
4542         propagated, or global_copy_prop_count when a copy is propagated.
4543         (do_local_cprop): Likewise for local_const_prop_count and
4544         local_copy_prop_count.
4545         (one_cprop_pass): Initialize const/cprop counters to zero.
4546         Print out results of local and global const/cprop separately.
4547         (bypass_block): Break over-length line.
4548         * Makefile.in (gcse.o): Add TIMEVAR_H dependency.  Fix dependencies
4549         for bb-reorder.o and tracer.o.
4550
4551 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
4552
4553         * Makefile.in (GTFILES): Remove stmt.c
4554         (stmt.o): Do not depend on gt-stmt.h.
4555         * emit-rtl.c (emit_line_note): Do not call
4556         set_file_and_line_for_stmt.
4557         * expr.c (expand_expr_real_1) <SWITCH_EXPR>: Let expand_case
4558         do everything.
4559         * function.c (free_after_parsing): Do not free STMT field.
4560         (allocate_struct_function): Do not call init_stmt_for_function.
4561         (assign_stack_temp_for_type): Do not accept values of keep
4562         other than 0 or 1.
4563         (init_temp_slots): Do not initialize removed variables.
4564         * function.h (struct function): Remove STMT, X_TARGET_TEMP_SLOT_LEVEL
4565         and X_VAR_TEMP_SLOT_LEVEL fields.
4566         * rtl.h (set_file_and_line_for_stmt): Remove.
4567         * stmt.c (struct nesting, ALLOC_NESTING, POPSTACK,
4568         struct stmt_status, cond_stack, case_stack, nesting_stack,
4569         nesting_depth, emit_locus, set_file_and_line_for_stmt,
4570         same_case_target_p, init_stmt_for_function, emit_nop,
4571         expand_start_cond, expand_start_elseif, expand_start_else,
4572         expand_elseif, expand_end_cond): Remove.
4573         (preserve_subexpressions_p): Remove references to CFUN->STMT.
4574         (expand_start_case, expand_end_case_type): Remove, merge into...
4575         (expand_case): ... this one, including other bits from
4576         expand_expr_real_1.  Inline same_case_target_p.  Turn members
4577         of CASE_STACK into local variables.
4578         (emit_case_bit_tests): Inline same_case_target_p.
4579         (add_case_node): Add HEAD argument, return new head of the list,
4580         do not handle default label here.
4581         * tree.h (expand_start_cond, expand_end_cond, expand_start_else,
4582         expand_start_elseif, current_nesting_level, expand_start_case,
4583         expand_end_case_type, expand_end_case, add_case_node,
4584         init_stmt_for_function, expand_elseif): Remove prototypes.
4585         (expand_case): Add prototype.
4586
4587 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
4588
4589         * expr.c (expand_expr_real_1): Use optab_for_tree_code.
4590
4591 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
4592
4593         * expr.c (var_rtx): Remove.
4594         (expand_expr_real_1) <LOOP_EXPR, EXIT_EXPR,
4595         LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR, TRUTH_ANDIF_EXPR,
4596         TRUTH_ORIF_EXPR, COMPOUND_EXPR, CONJ_EXPR, INIT_EXPR>:
4597         Abort.
4598         (expand_expr_real_1) <COND_EXPR>: Remove most special cases.
4599         * optabs.c (emit_clr_insn, emit_0_to_1_insn): Remove.
4600         * optabs.h (emit_clr_insn, emit_0_to_1_insn): Remove.
4601
4602 2004-08-08  Mostafa Hagog  <mustafa@il.ibm.com>
4603         Ayal Zaks <zaks@il.ibm.com>
4604
4605         * common.opt (freschedule-modulo-scheduled-loops): New flag.
4606         * final.c (final_scan_insn): Handle NOTE_DISABLE_SCHED_OF_BLOCK.
4607         * modulo-sched.c (sms_schedule): Emit a note to disable scheduling
4608         when -freschedule-modulo-scheduled-loops flag is not specified.
4609         (sms_schedule_by_order, ps_insn_advance_column, add_node_to_ps,
4610         add_node_to_ps, ps_has_conflicts, ps_add_node_check_conflicts):
4611         More accurate placing of insn in row of partial schedule.
4612         (ps_insn_find_column): New function.
4613         * rtl.h (NOTE_DISABLE_SCHED_OF_BLOCK): New note.
4614         * sched-rgn.c (sched_is_disabled_for_current_region_p): New.
4615         (schedule_region): Use sched_is_disabled_for_current_region_p.
4616         * docs/invoke.texi: Document -freschedule-modulo-scheduled-loops.
4617
4618 2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>
4619
4620         * config/i386/i386.c (ix86_expand_clrmem): Revert the last
4621         change.
4622
4623 2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>
4624
4625         * config/i386/i386.c (ix86_expand_clrmem): Properly call
4626         gen_strset for 64bit target.
4627
4628 2004-08-07  Olivier Hainque  <hainque@act-europe.fr>
4629
4630         * config/vxworks.h (HANDLE_SYSV_PRAGMA): Remove definition.
4631
4632 2004-08-07  Jason Merrill  <jason@redhat.com>
4633
4634         Make return in memory explicit.
4635         * function.c (aggregate_value_p): Check DECL_BY_REFERENCE.
4636         (assign_parm_find_data_types): Remove code for old front end
4637         invisible reference handling.
4638         (assign_parms): Handle DECL_BY_REFERENCE on the RESULT_DECL.
4639         (expand_function_end): Likewise.
4640         * gimplify.c (gimplify_return_expr): Handle a dereferenced
4641         RESULT_DECL.
4642         * tree-inline.c (copy_body_r): Don't bother looking for &* anymore.
4643         (declare_return_variable): Handle DECL_BY_REFERENCE.
4644         * cp/cp-gimplify.c (is_invisiref_parm): Also handle RESULT_DECL.
4645         (cp_genericize_r): Use convert_from_reference.
4646         Don't dereference a RESULT_DECL directly inside a RETURN_EXPR.
4647         (cp_genericize): Handle the RESULT_DECL.  Unset TREE_ADDRESSABLE.
4648
4649         * c-common.c (c_warn_unused_result): Check TREE_USED before
4650         warning about a CALL_EXPR with an unused value.
4651
4652 2004-08-06  Mark Mitchell  <mark@codesourcery.com>
4653
4654         * config/arm/symbian.h (CC1_SPEC): Avoid passing duplicate options
4655         to the compiler.  Use -fshort-wchar by default.
4656
4657 2004-08-06  Pat Haugen  <pthaugen@us.ibm.com>
4658
4659         * params.def (PARAM_MIN_CROSSJUMP_INSNS): New.
4660         * cfgcleanup.c (try_crossjump_to_edge): Add minimum insn match
4661         threshhold.
4662         * doc/invoke.texi (param): Document min-crossjump-insns.
4663
4664 2004-08-06  Richard Sandiford  <rsandifo@redhat.com>
4665
4666         PR c/13282
4667         * c.opt (Wmissing-field-initializers): New option.
4668         * c-opts.c (c_common_post_options): Make -Wextra turn it on by default.
4669         * c-typeck.c (pop_init_level): Guard the missing field warning with
4670         warn_missing_field_initializers rather than extra_warnings.
4671         * doc/invoke.texi (-Wmissing-field-initializers): Document, moving
4672         some of the explanation from...
4673         (-Wextra): ...here.  Say that the missing field warning can be
4674         seperately controlled by -Wmissing-field-initializers.
4675
4676 2004-08-06  Paolo Bonzini  <bonzini@gnu.org>
4677
4678         * expr.c (expand_expr_real_1) <ENTRY_VALUE_EXPR>: Remove.
4679         * tree-inline.c (estimate_num_insns_1) <ENTRY_VALUE_EXPR>: Remove.
4680         * tree-pretty-print.c (dump_generic_node) <ENTRY_VALUE_EXPR>: Remove.
4681         * tree.def (ENTRY_VALUE_EXPR): Remove.
4682
4683 2004-08-06  Jakub Jelinek  <jakub@redhat.com>
4684
4685         * config/i386/i386.c (ix86_expand_clrmem): Move gen_cld down to
4686         the places where it is actually needed.  Don't use repz; stosb
4687         for -Os with sufficiently small constant sizes.
4688         For sufficiently small repz; stos{l,q} repeat counts use a sequence
4689         of stos{l,q} instructions instead.
4690
4691 2004-08-06  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4692
4693         PR tree-optimization/16807
4694         * loop-iv.c (dump_iv_info): Dump invariants correctly.
4695         (iv_subreg, iv_extend): Express value of invariant purely in
4696         base field.
4697
4698 2004-08-06  Mark Mitchell  <mark@codesourcery.com>
4699
4700         * config/arm/symbian.h (CC1_SPEC): Add -fno-short-enums.
4701         (CC1PLUS_SPEC): Define it to be the same as CC1_SPEC.
4702
4703 2004-08-06  Roman Zippel  <zippel@linux-m68k.org>
4704
4705         * config/m68k/m68k.c (post_inc_operand,pre_dec_operand): New.
4706         * config/m68k/m68k.h (PREDICATE_CODES): add post_inc_operand,
4707         pre_dec_operand.
4708         * config/m68k/m68k.md (zero_extend*2): delay the splitting of the
4709         pattern until reload is finished to allow better code generation
4710         and split them completely into separate instrunctions.
4711         (*andsi3_split): New pattern.
4712
4713 2004-08-05  Mark Mitchell  <mark@codesourcery.com>
4714
4715         * tree.c (handle_dll_attribute): Move here from i383/winnt.c.
4716         Replace use of DECL_INLINE with DECL_DECLARED_INLINE_P.  Set
4717         DECL_VISIBLITY.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
4718         * tree.h (handle_dll_attribute): Declare.  Test
4719         TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
4720         * c-common.h (c_determine_visibility): Declare.
4721         * c-common.c (c_determine_visibility): New function.
4722         * c-decl.c (finish_decl): Use it.
4723         (finish_function): Likewise.
4724         * defaults.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define it to
4725         zero, by default.  Use #if, not #ifdef, to test it.
4726         * config/arm/arm.c (arm_attribute_table): Use
4727         handle_dll_attribute.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with
4728         #if.
4729         * config/arm/pe.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define to 1.
4730         * config/i386/cygming.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
4731         to 1.
4732         * config/i386/i386-protos.h (ix86_handle_dll_attribute): Remove.
4733         * config/i386/i386.c (ix86_attribute_table): Use
4734         handle_dll_attribute for dllimport/dllexport.  Test
4735         TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
4736         * config/i386/winnt.c (ix86_handle_dll_attribute): Remove.
4737         * config/mcore/mcore.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
4738         it to 1.
4739         * config/mcore/mcore.c (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Test it
4740         with #if.
4741         * config/sh/symbian-pre.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
4742         it to 1.
4743         * doc/extend.texi (dllexport): Clarify and correct documentation.
4744         (dllimport): Likewise.
4745         * doc/tm.texi (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Mention
4746         handle_dll_attribute.
4747
4748 2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4749
4750         * tree-ssa-loop-manip.c: New file.
4751         * Makefile.in (tree-ssa-loop-manip.o): Add.
4752         * tree-flow.h (rewrite_into_loop_closed_ssa, verify_loop_closed_ssa):
4753         Declare.
4754         * tree-ssa-loop.c (tree_loop_optimizer_init): Create loop closed ssa
4755         form.
4756         (tree_ssa_loop_done): Verify loop closed ssa form.
4757         * tree-ssa-loop-im.c (move_computations): Update loop closed ssa form.
4758
4759 2004-08-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4760
4761         * pa.c (pa_asm_output_aligned_bss, pa_asm_output_aligned_common,
4762         pa_asm_output_aligned_local): New functions.
4763         * pa-protos.h: Add prototypes for pa_asm_output_aligned_bss,
4764         pa_asm_output_aligned_common and pa_asm_output_aligned_local.
4765         * pa-pro-end.h (ASM_OUTPUT_ALIGNED_COMMON): Use
4766         pa_asm_output_aligned_common.
4767         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
4768         * pa.h (ASM_OUTPUT_ALIGNED_BSS): New macro.
4769         (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
4770         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
4771         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): New macro.
4772         (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
4773         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
4774         * som.h (MAX_OFILE_ALIGNMENT): Provide maximum alignment of global
4775         common data.
4776
4777 2004-08-05  Andrew Pinski  <apinski@apple.com>
4778
4779         * objc/objc-act.c (build_objc_string_object): Mark the address
4780         expression as constant.
4781
4782 2004-08-05  David Edelsohn  <edelsohn@gnu.org>
4783
4784         * config/rs6000/rs6000.c (rs6000_rtx_costs): Fix mask_operand
4785         and mask64_operand thinkos.  Handle ZERO_EXTRACT.  Handle
4786         SIGN_EXTEND / ZERO_EXTEND of MEM.  Handle rlwinm patterns.
4787
4788 2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>
4789
4790         * config/linux.h, config/i386/linux.h, config/sparc/linux.h:
4791         Remove definitions conditioned on USE_GNULIBC_1 or conditioned
4792         out, and associated obsolete comments.
4793
4794 2004-08-05  Nathan Sidwell  <nathan@codesourcery.com>
4795
4796         * tree.h (force_fit_type): Return a tree, take three flags.
4797         * fold-const.c (force_fit_type): Set TREE_OVERFLOW and
4798         TREE_CONSTANT_OVERFLOW here.
4799         (int_const_binop, const_binop): Adjust.
4800         (size_int_type): Do sign extension here.
4801         (fold_convert_const, optimize_bit_field_compare,
4802         decode_field_reference, all_ones_mask_p, fold_div_compare, fold,
4803         fold_negate_const, fold_abs_const, fold_not_const): Adjust.
4804         * tree.c (size_in_bytes, int_fits_type_p): Adjust.
4805
4806 2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4807
4808         PR tree-optimization/16864
4809         * tree-tailcall.c (eliminate_tail_call): Do not create phi nodes
4810         for ssa names without default_def.
4811
4812 2004-08-05  Richard Sandiford  <rsandifo@redhat.com>
4813
4814         * config/i386/i386.c (ix86_expand_prologue): If the function uses a
4815         frame pointer, restore eax with an ebp-relative address.
4816
4817 2004-08-04  Geoffrey Keating  <geoffk@apple.com>
4818
4819         PR 14516
4820         * c-common.c (c_expand_decl): Don't special-case static VAR_DECLs.
4821         * c-common.h (make_rtl_for_local_static): Delete.
4822         * c-decl.c (shadow_tag_warned): Clean up comment.
4823         (finish_decl): Clean up spacing.  Use set_user_assembler_name when
4824         appropriate.  Don't pass asmspec to rest_of_decl_compilation.
4825         * c-semantics.c (make_rtl_for_local_static): Delete.
4826         * expr.c (init_block_move_fn): Use set_user_assembler_name.
4827         (init_block_clear_fn): Likewise.
4828         * passes.c (rest_of_decl_compilation): Remove asmspec parameter,
4829         expect it to be in DECL_ASSEMBLER_NAME.  Update callers in many files.
4830         * toplev.h (rest_of_decl_compilation): Remove asmspec parameter.
4831         * tree.h (make_decl_rtl): Remove second parameter.
4832         (set_user_assembler_name): New.
4833         * varasm.c (set_user_assembler_name): New.
4834         (make_decl_rtl): Remove second parameter.  Update callers in many
4835         files.
4836
4837 2004-08-05  Adam Nemet  <anemet@lnxw.com>
4838
4839         * config.gcc (case i[34567]86-*-lynxos*): Update to LynxOS 4.0.
4840         (case rs6000-*-lynxos*): Rename it to powerpc-*-lynxos*.  Update
4841         to LynxOS 4.0.
4842         * gthr-lynx.h: New file.
4843         * config/lynx-ng.h: Remove file.
4844         * config/lynx.h: Update to LynxOS 4.0.
4845         * config/t-lynx: New file.
4846         * config/i386/lynx-ng.h: Remove file.
4847         * config/i386/lynx.h: Update to LynxOS 4.0.
4848         * config/rs6000/lynxbase.h: Remove file.
4849         * config/rs6000/lynx.h: Update to LynxOS 4.0.
4850         * config/rs6000/t-lynx: New file.
4851         * doc/install.texi (Options specification): Remove reference to
4852         LynxOS from systems where --with-gnu-as makes a difference.
4853
4854 2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>
4855
4856         * c-common.c (c_stddef_cpp_builtins): Define __INTMAX_TYPE__ and
4857         __UINTMAX_TYPE__.
4858         * c-cppbuiltin.c (builtin_define_stdint_macros): New.  Define
4859         __INTMAX_MAX__.
4860         (c_cpp_builtins): Call it.
4861         * doc/cpp.texi: Update.
4862
4863 2004-08-04  David Edelsohn  <edelsohn@gnu.org>
4864
4865         * config/rs6000/rs6000.c (rs6000_rtx_costs): LABEL_REFs are zero
4866         cost.
4867
4868 2004-08-04  Jan Hubicka  <jh@suse.cz>
4869
4870         * basic-block.h (profile_staus): New global variable.
4871         * cfg.c (profile_status): Declare.
4872         (check_bb_profile): Break out from ....; use profile_status
4873         (dump_flow_info): ... here.
4874         * cfgbuild.c (find_basic_blocks): Set profile_status.
4875         * cfgexpand.c (tree_expand_cfg): Likewise.
4876         * predict.c (estimate_probability): Likewise.
4877         * profile.c (branch_prob): Likewise.
4878         * tree-cfg.c (build_tree_cfg): Likewise.
4879         (dump_function_to_file): Use check_bb_profile.
4880         * tree-pretty-print (dump_bb_header): Likewise.
4881         * tree-profile.c (do_tree_profiling): Cleanup.
4882
4883 2004-08-04  Zack Weinberg  <zack@codesourcery.com>
4884
4885         * Makefile.in (RTL_BASE_H, RTL_H): Correct.
4886         (BUILD_RTL): Remove $(BUILD_PREFIX) from ggc-none.o.
4887         (genobjs): Add errors.o, ggc-none.o, and min-insn-modes.o.
4888         (read-rtl.o, gensupport.o, genconfig.o, genflags.o, gencodes.o)
4889         (genconstants.o, genemit.o, genopinit.o, genrecog.o, genextract.o)
4890         (genpeep.o, genattr.o, genattrtab.o, genautomata.o, genoutput.o)
4891         (genconditions.o): Depend on $(RTL_BASE_H) not $(RTL_H).
4892         (ggc-none.o, errors.o): Move rule to generators section;
4893         correct dependencies.
4894         (min-insn-modes.o): Move rule to generators section; remove
4895         unnecessary explicit command; correct dependencies.
4896         (print-rtl.o, print-rtl1.o): Correct dependencies.
4897         ($(BUILD_PREFIX_1)errors.o. $(BUILD_PREFIX_1)ggc-none.o): Delete rule.
4898         (mostlyclean): Update.
4899
4900         * errors.c: Include bconfig.h not config.h.  Correct comment.
4901         * gengtype.c, genpreds.c: Don't define NO_GENRTL_H.
4902         * ggc-none.c: Include bconfig.h; not config.h or tm.h.
4903         * print-rtl.c: Don't include tm_p.h.
4904
4905         * rtl.h: Move forward-decl of struct function down where it's
4906         needed.  Include genrtl.h #ifndef GENERATOR_FILE, not
4907         #ifndef NO_GENRTL_H.  Remove unnecessary #ifdef BUFSIZ statements.
4908
4909 2004-08-04  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4910             Jeff Law  <law@redhat.com>
4911
4912         * tree-cfg.c (tree_duplicate_bb): Mark duplicated definitions.
4913         * tree-flow.h (rewrite_ssa_into_ssa): Declaration changed.
4914         * tree-into-ssa.c (rewrite_ssa_into_ssa): Use new interface to
4915         manipulate the duplicated ssa names.
4916         * tree-ssanames.c (ssa_names_to_rewrite): New variable.
4917         (marked_for_rewrite_p, any_marked_for_rewrite_p, mark_for_rewrite,
4918         unmark_all_for_rewrite, marked_ssa_names, release_ssa_name_force):
4919         New functions.
4920         (release_ssa_name): Do not release ssa names that may have multiple
4921         definitions.
4922         * tree.h (release_ssa_name_force, mark_for_rewrite,
4923         unmark_all_for_rewrite, marked_for_rewrite_p, any_marked_for_rewrite_p,
4924         marked_ssa_names): Declare.
4925         * tree-ssa-loop-ch.c (mark_defs_for_rewrite): Remove.
4926         (duplicate_blocks): Remove call to mark_defs_for_rewrite.
4927         Update call to rewrite_ssa_into_ssa.
4928
4929 2004-08-04  Mark Mitchell  <mark@codesourcery.com>
4930
4931         * defaults.h (TARGET_DECLSPEC): New macro.
4932         * c-cppbuiltin.c (c_cpp_builtins): Handle TARGET_DECLSPEC.
4933         * config/arm/pe.h (SUBTARGET_CPP_SPEC): Remove __declspec support.
4934         * config/arm/symbian.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define.
4935         * config/i386/beof-elf.h (TARGET_OS_CPP_BUILTINS): Remove
4936         __declspec support.
4937         (TARGET_DECLSPEC): Define.
4938         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Remove
4939         __declspec support.
4940         * config/i386/i386-interix.h (TARGET_OS_CPP_BUILTINS): Remove
4941         __declspec support.
4942         (TARGET_DECLSPEC): Define.
4943         * config/mcore/mcore.h (TARGET_CPU_CPP_BUILTINS): Remove
4944         __declspec support.
4945         * config/sh/symbian-pre.h (SUBTARGET_CPP_SPEC): Remove __declspec
4946         support.
4947         * doc/tm.texi (TARGET_DECLSPEC): Document.
4948
4949         * doc/extend.texi: Fix typo in comment.
4950
4951 2004-08-04  Paul Brook  <paul@codesourcery.com>
4952
4953         * target-def.h (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
4954         (TARGET_CXX): Use it.
4955         * target.h (struct gcc_target): Add cdtor_returns_this.
4956         * config/arm/arm.c (arm_cxx_cdtor_returns_this): New function.
4957         (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
4958         * doc/tm.texi: Document TARGET_CXX_CDTOR_RETURNS_THIS.
4959
4960 2004-08-03  Nathan Sidwell  <nathan@codesourcery.com>
4961
4962         * c-lex.c (narrowest_unsigned_type, narrowest_signed_type): Take
4963         low/high pair. Do range checking directly.
4964         (interpret_integer): Adjust.
4965
4966 2004-08-04  Nick Clifton  <nickc@redhat.com>
4967
4968         * config/sh/sh.h (TARGET_SWITCHES): Add no-renesas to select the
4969         GCC ABI.
4970         * doc/invoke.texi: Document this new switch and also the -mrenesas
4971         switch.
4972
4973 2004-08-04  Nathan Sidwell  <nathan@codesourcery.com>
4974
4975         * cfglayout.c (insn_locators_initialize): Update the current
4976         location before initializing a location.
4977
4978 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
4979
4980         * dbxout.c (dbxout_function_decl): Always call dbxout_function_end.
4981         (dbxout_function_end): Return after emitting the "Lscope" symbol
4982         under the same conditions that this function formerly wasn't called.
4983         Add explanatory comments.
4984
4985         PR 14860
4986         * c-decl.c (record_builtin_type): Call debug_hooks->type_decl
4987         on the new decl.
4988
4989         PR 13956
4990         * dbxout.c (dbx_output_lbrac, dbx_output_rbrac): New
4991         functions, broken out of dbxout_block.
4992         (dbxout_block): The block at depth 0 should get LBRAC/RBRAC
4993         stabs too, if it contains symbols.  Use the begin_label and
4994         the Lscope label (emitted by dbxout_function_end) for the
4995         range of this block.
4996
4997 2004-08-03  Nathanael Nerode  <neroden@gcc.gnu.org>
4998
4999         * doc/install.texi: Update autoconf version requirements.
5000
5001 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
5002
5003         * defaults.h (LEGITIMATE_PIC_OPERAND_P): Provide default definition.
5004         * recog.c (general_operand, immediate_operand, nonmemory_operand)
5005         (asm_operand_ok): Remove #ifdefs on LEGITIMATE_PICOPERAND_P.
5006         * regclass.c (record_reg_classes): Likewise.
5007         * reload.c (find_reloads): Likewise.
5008         * reload1.c (reload): Likewise.
5009
5010 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
5011
5012         * gensupport.c (init_md_reader_args_cb): Renamed from
5013         init_md_reader_args.  Add third option, callback function for
5014         parsing program-specific options.  Add diagnosis of incorrect
5015         number of input files.
5016         (init_md_reader): Fold into init_md_reader_args_cb.
5017         (init_md_reader_args): Now a thin wrapper around
5018         init_md_reader_args_cb.
5019         * gensupport.h: Update prototypes.
5020
5021         * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
5022         * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
5023         * genrecog.c: No need to diagnose lack of an input file;
5024         init_md_reader_args will handle it.
5025         * genconditions.c: Likewise, and use init_md_reader_args.
5026         * genconstants.c: Likewise, and no need to call read_md_rtx.
5027
5028 2004-08-03  Joseph S. Myers  <jsm@polyomino.org.uk>
5029
5030         * c-decl.c (implicitly_declare): Diagnose incompatible implicit
5031         declarations.
5032
5033 2004-08-03  Mike Stump  <mrs@apple.com>
5034
5035         * config/darwin-c.c: Don't search in "/Local/Library/Frameworks"
5036         for frameworks.
5037         * doc/invoke.texi (Darwin Options): Update to reflect above.
5038
5039 2004-08-03  Roger Sayle  <roger@eyesopen.com>
5040
5041         PR middle-end/16790
5042         * fold-const.c (extract_muldiv_1) <NOP_EXPR>: Disallow local
5043         truncations, not just global truncations.
5044
5045 2004-08-03  Andrew Pinski  <apinski@apple.com>
5046
5047         PR bootstrap/16865
5048         * loop-iv.c (simplify_using_assignment): Initialize lhs.
5049
5050 2004-08-03  Paul Brook  <paul@codesourcery.com>
5051
5052         * gcc/doc/install.texi: Document MPFR requirement.
5053
5054 2004-08-03  Maciej W. Rozycki  <macro@linux-mips.org>
5055
5056         * aclocal.m4 (gcc_AC_FUNC_MMAP_BLACKLIST): Check for <sys/mman.h>
5057         and mmap() explicitly instead of relying on preset autoconf cache
5058         variables.
5059         * configure: Regenerate.
5060
5061 2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>
5062
5063         PR target/16570
5064         * config.gcc (i[34567]86-*-* | x86_64-*-*): Add i386/t-gmm_malloc
5065         to tmake_file.
5066         (i[34567]86-*-linux*aout* | i[34567]86-*-linux*libc1): Likewise.
5067         (i[34567]86-*-linux* | x86_64-*-linux*): Add i386/t-pmm_malloc
5068         to tmake_file.
5069
5070         * config/i386/t-gmm_malloc: New file.
5071         * config/i386/t-pmm_malloc: Likewise.
5072
5073         * config/i386/xmmintrin.h: Include <mm_malloc.h>.
5074
5075 2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>
5076             Tanguy Fautrà <tfautre@pandora.be>
5077
5078         * config/i386/pmm_malloc.h: New file.
5079
5080 2004-08-03  Danny Smith  <dannysmith@users.sourceforge.net>
5081
5082         * config/i386/gmm_malloc.h: New file.
5083
5084 2004-08-03  Dale Johannesen  <dalej@apple.com>
5085
5086         * config/rs6000/rs6000.c (machopic_output_stub):  Align Darwin stubs.
5087         * c-common.c: Include opts.h.
5088         (c_common_get_alias_set): Fix check for a single input file.
5089         * toplev.c: Remove current_file_decl.
5090         * tree.h: Ditto.
5091
5092 2004-08-03  Mark Mitchell  <mark@codesourcery.com>
5093
5094         * config.gcc (arm*-*-symbianelf*): New target.
5095         * config/arm/symbian.h: New file.
5096
5097         * gthr-gnat.c: Add visibility #pragmas.
5098         * gthr-gnat.h : Likewise.
5099         * gthr.h: Likewise.
5100         * libgcc2.c (__ffsSI2): Move prototype to libgcc2.h.
5101         (__ffsDI2): Likewise.
5102         (__clzSI2): Likewise.
5103         (__ctzSI2): Likewise.
5104         (__ctzDI2): Likewise.
5105         (__popcountSI2): Likewise.
5106         (__popcountDI2): Likewise.
5107         (__paritySI2): Likewise.
5108         (__parityDI2): Likewise.
5109         * libgcc2.h: Add visibility #pragmas.
5110         (__clzDI2): Add prototype.
5111         (__clzSI2): Likewise.
5112         (__ctzSI2): Likewise.
5113         (__ffsDI2): Likewise.
5114         (__ffsSI2): Likewise.
5115         (__ctzDI2): Likewise.
5116         (__popcountSI2): Likewise.
5117         (__popcountDI2): Likewise.
5118         (__paritySI2): Likewise.
5119         (__parityDI2): Likewise.
5120         * unwind-dw2-fde.h: Add visibility #pragmas.
5121         * unwind.h: Likewise.
5122
5123 2004-08-03  David Edelsohn  <edelsohn@gnu.org>
5124             Dale Johannesen  <dalej@apple.com>
5125             Roger Sayle  <roger@eyesopen.com>
5126
5127         * config/rs6000/rs6000.c (rs6000_rtx_costs): Calculate cost of
5128         constants more accurately.  Adjust costs for FMA instructions.
5129         Add cases for most logical and float operations.  Recurse into
5130         most operands.
5131
5132 2004-08-03  Richard Earnshaw  <rearnsha@arm.com>
5133
5134         * config.gcc (strongarm-*, xscale-*): Add t-arm to tmake_files.
5135
5136 2004-08-03  Pat Haugen  <pthaugen@us.ibm.com>
5137
5138         * ra-build.c (conflicts_between_webs): For webs that cross a call add
5139         conflicts to regs_invalidated_by_call.
5140
5141 2004-08-03  Paul Brook  <paul@codesourcery.com>
5142
5143         * config/arm/arm.c (emit_sfm): Only emit a single frame adjustment.
5144
5145 2004-08-03  Jan Hubicka  <jh@suse.cz>
5146
5147         * coverage.c (tree_coverage_counter_ref): Fix computation of the new
5148         ARRAY_REF argument.
5149
5150 2004-08-03  Richard Earnshaw  <rearnsha@arm.com>
5151
5152         * arm-cores.def: Sort by architecture.  Add arm946es, arm966es,
5153         arm968es, arm10e, arm1020e, arm1022e.
5154         * invoke.texi: Update list of ARM cores.
5155         * arm-tune.md: Regenerate.
5156
5157 2004-08-03  Richard Earnshaw <rearnsha@arm.com>
5158
5159         * arm/gentune.sh: New file.
5160         * arm/t-arm: New file.
5161         * arm/arm-tune.md: New file (autogenerated).
5162         * config.gcc (arm*-*-*): Add t-arm to tmake_file for all variants.
5163         * arm.md (attribute tune): Delete.  Include arm-tune.md.
5164
5165 2004-08-03  Paolo Bonzini <bonzini@gnu.org>
5166
5167         * gcc.c (add_prefix, add_sysrooted_prefix): Remove
5168         penultimate parameter.  All callers adjusted.
5169         (struct prefix_list): Remove used_flag_ptr.
5170         (find_a_file): Do not set *pl->used_flag_ptr.
5171         (warn_B, warn_std_ptr): Remove.
5172
5173 2004-08-03  Yossi Markovich <yossim@il.ibm.com>
5174             Mostafa Hagog <mustafa@il.ibm.com>
5175
5176         * config/rs6000/altivec.md (altivec_vnmsubfp): Fix wrong pattern.
5177
5178 2004-08-02  Geoffrey Keating  <geoffk@apple.com>
5179
5180         * dwarf2out.c (output_call_frame_info): Don't change data format
5181         due to TARGET_USES_WEAK_UNWIND_INFO.  Always refer to the local
5182         label.  Use 'true' not '1'.
5183         * doc/install.texi (powerpc-*-darwin*): Mention cctools version
5184         required.
5185
5186 2004-08-02  Gabriel Dos Reis  <gdr@cs.tamu.edu>
5187
5188         * gdbinit.in: Reflect previous changes to rtunion_def.
5189
5190 2004-08-02  Roger Sayle  <roger@eyesopen.com>
5191
5192         * fold-const.c (fold) <TRUNC_MOD_EXPR>: The transformation "X % -Y"
5193         -> "X % Y" is only valid for TRUNC_MOD_EXPR.
5194
5195 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
5196
5197         * vec.h (DEF_VEC_P): Add proper cast to uses of vec_o_reserve and
5198         vec_p_reserve.
5199         * langhooks.h (lang_hooks::builtin_function): Rename parameter
5200         from "class" to "bt_class".
5201
5202 2004-08-02  Paul Brook  <paul@codesourcery.com>
5203
5204         PR rtl-optimization/15068
5205         * flow.c (init_propagate_block_info): Check condition is reversible.
5206
5207 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
5208
5209         * gengtype.h (options::info): Change type to const char *.
5210         (enum gc_used_enum): Move out of struct type scope.
5211         * gengtype.c (create_option): Convert initializer for option::info to
5212         appropiate type.
5213         (adjust_field_type, walk_type, write_func_for_structure,
5214         write_root, write_roots): Remove pointless cast.
5215
5216 2004-08-02  J"orn Rennecke <joern.rennecke@superh.com>
5217
5218         * genopinit.c (gen_insn): Check for MODE_COMPLEX_FLOAT patterns for $F.
5219
5220 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
5221
5222         * rtl.h (union rtunion_def): Have all members  start with the
5223         prefix "rt_".
5224         (XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE, XBBDEF, XTMPL,
5225         X0INT, X0UINT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
5226         X0MEMATTR, X0BBDEF, X0REGATTR, XCINT, XCUINT, XCSTR, XCEXP,
5227         XCVEC, XCMODE, XCBITMAP, XCTREE, XCBBDEF, XC2EXP): Adjust members
5228         access.
5229         * gengtype.c (adjust_field_rtx_def): Likewise.
5230         * rtlanal.c (loc_mentioned_in_p): Likewise.
5231
5232 2004-08-02  Richard Sandiford  <rsandifo@redhat.com>
5233
5234         * config.gcc (mips*-*-elf*, mips*-*-rtems*): Add elfos.h to tm_file.
5235         Replace uses of mips/elf64.h with mips/elf.h
5236         * config/mips/elf.h (MAX_OFILE_ALIGNMENT, TARGET_ASM_NAMED_SECTION)
5237         (TYPE_OPERAND_FMT, TYPE_ASM_OP, SIZE_ASM_OP, BSS_SECTION_ASM_OP)
5238         (ASM_OUTPUT_ALIGNED_BSS, ASM_WEAKEN_LABEL, ASM_OUTPUT_WEAK_ALIAS)
5239         (MAKE_DECL_ONE_ONLY, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP)
5240         (HANDLE_SYSV_PRAGMA): Delete.
5241         (ASM_OUTPUT_DEF): Fix formatting.
5242         * config/mips/elf64.h: Delete.
5243
5244 2004-08-01  Zack Weinberg  <zack@codesourcery.com>
5245
5246         * config/ia64/ia64.c (got_symbolic_operand): Do require a
5247         symbol+offset operand to have its offset be zero mod 0x3fff
5248         when GOT entries are in use.  Clarify logic in SYMBOL_REF
5249         case.  Clarify comments.
5250         (ia64_expand_load_address): Split a symbol+offset load when
5251         the offset is nonzero mod 0x3fff, not 0x1fff.
5252
5253 2004-08-01  Geoffrey Keating  <geoffk@apple.com>
5254
5255         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Just abort
5256         if trying to *store* to a non-offsettable address.
5257         * config/rs6000/rs6000.md (movtf_internal): Don't move GPRs to
5258         a nonoffsettable address.
5259         (movdi_internal32): Don't move GPRs to a nonoffsettable address.
5260         Clean up.
5261         (movti_string): Don't move GPRs to a nonoffsettable address.
5262         (movti_ppc64): Don't move GPRs to a nonoffsettable address.  Clean up.
5263
5264 2004-08-02  Ben Elliston  <bje@au.ibm.com>
5265
5266         PR target/16155
5267         * config/rs6000/altivec.h: Replace typeof with __typeof__.
5268
5269 2004-08-01  Richard Henderson  <rth@redhat.com>
5270
5271         * expr.c (expand_expr_real_1) <normal_inner_ref>: Fix crash with
5272         variable sized types.
5273
5274 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
5275
5276         * doc/invoke.texi: In the MIPS options section, remove the passage
5277         saying that -mexplicit-relocs is usually disabled for -mabicalls
5278         -fno-unit-at-a-time.
5279         * config/mips/mips.c (override_options): Remove the code that enforced
5280         this rule.
5281
5282 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
5283
5284         * config/mips/mips.md (cprestore): Provide two alternatives, one for
5285         an in-range offset and one for an out-of-range offset.  Wrap the latter
5286         in .set macro/.set nomacro if it's inside a .set nomacro block.
5287
5288 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
5289
5290         * config/mips/mips-protos.h (mips_gp_save_slot): Remove.
5291         (mips_restore_gp): Declare.
5292         * config/mips/mips.c (mips_add_offset): Add a scratch register
5293         argument.  Reimplement in rtl only, reusing MIPS16 logic from
5294         mips_output_mi_thunk.
5295         (mips_legitimize_address, mips_legitimize_const_move): Adjust calls
5296         to mips_add_offset.
5297         (mips_gp_save_slot): Delete.
5298         (mips_restore_gp): New function.
5299         (mips_set_return_address, mips_output_mi_thunk): Use mips_add_offset.
5300         * config/mips/mips.md (exception_receiver): Turn into a
5301         define_insn_and_split.  Use mips_restore_gp to do the split.
5302         (call_internal, call_value_internal, call_value_multiple_internal): Use
5303         mips_restore_gp to restore $gp.
5304
5305 2004-07-31  Andrew Pinski  <apinski@apple.com>
5306
5307         PR other/16842
5308         * mkheaders.in (libsubdir): s/gcc-lib/gcc/.
5309
5310 2004-07-31  Joseph S. Myers  <jsm@polyomino.org.uk>
5311
5312         * c-decl.c (diagnose_mismatched_decls): Give error for external
5313         redeclaration of identifier declared with no linkage, not just
5314         warning with -Wtraditional.  Do not check DECL_CONTEXT to give
5315         error for redeclaration with no linkage.
5316
5317 2004-07-30  Geoffrey Keating  <geoffk@apple.com>
5318             Fariborz Jahanian <fjahanian@apple.com>
5319
5320         * config/rs6000/rs6000.c (legitimate_lo_sum_address_p): Permit
5321         non-offsettable addresses even for DImode.
5322         (rs6000_split_multireg_move): Cope with non-offsettable addresses
5323         being moved into multiple GPRs.
5324
5325         * config/rs6000/rs6000.c (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Default
5326         to 64.
5327         (rs6000_override_options): Use RS6000_DEFAULT_LONG_DOUBLE_SIZE.
5328         * config/rs6000/darwin.h (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define
5329         to 128.
5330         * config/rs6000/darwin-ldouble.c (isless): New macro.
5331         (inf): New macro.
5332         (nonfinite): New macro.
5333         (FPKINF): Delete.
5334         (_xlqadd): Completely rewrite.
5335         (_xlqmul): Correct overflow handling.
5336         (_xlqdiv): Correct overflow handling.
5337         * config/rs6000/darwin-ldouble-format: New file.
5338
5339 2004-07-30  Roger Sayle  <roger@eyesopen.com>
5340             Richard Henderson  <rth@redhat.com>
5341
5342         * config/i386/i386.md: New peephole2's to convert imul by 3, 5 or
5343         9 into the equivalent lea instruction.
5344
5345 2004-07-30  Richard Henderson  <rth@redhat.com>
5346
5347         * gimplify.c (gimplify_expr) <case CONST_DECL>: Don't replace
5348         with DECL_INITIAL if fb_lvalue.
5349         * tree-gimple.c (is_gimple_id): Add CONST_DECL.
5350         * tree-pretty-print.c (dump_decl_name): Dump unnamed CONST_DECL
5351         with <Cxxx>.
5352         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Fold CONST_DECL.
5353
5354 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
5355
5356         * tree-ssa-alias.c (compute_points_to_and_addr_escape): If a
5357         pointer escapes through a function call, assume that the
5358         callee will dereference it.
5359         (add_pointed_to_var): Assume that VALUE is always an
5360         ADDR_EXPR.
5361         (collect_points_to_info_r): Only call add_pointed_to_var if
5362         the value is an ADDR_EXPR.
5363
5364 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
5365
5366         * tree-ssa-alias.c (create_alias_map_for): Do not get the
5367         alias set of the inner type of ARRAY_TYPEs.
5368
5369 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
5370
5371         * tree-ssa-ccp.c (visit_assignment): Move code to prevent
5372         setting a non-register to UNDEFINED right before the call to
5373         set_lattice_value.
5374
5375 2004-07-29  Kaz Kojima  <kkojima@gcc.gnu.org>
5376
5377         * config/sh/lib1funcs.asm: Make aliases movstr* for movmem*.
5378
5379 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
5380
5381         * tree-ssa.c (verify_flow_sensitive_alias_info): When
5382         comparing points-to sets of different pointers, make sure the
5383         second pointer is actually referenced in the code.
5384
5385 2004-07-29  Zack Weinberg  <zack@codesourcery.com>
5386
5387         * config/ia64/ia64.c (setjmp_operand): Delete, unused.
5388         (got_symbolic_operand): Remove unreachable code.
5389         * config/ia64/ia64.h (PREDICATE_CODES): Remove entry for
5390         setjmp_operand; add entry for tls_symbolic_operand.
5391         * config/ia64/ia64-protos.h: Remove all prototypes of
5392         predicate functions.
5393
5394 2004-07-29  Mark Mitchell  <mark@codesourcery.com>
5395
5396         * c-common.h (lang_post_pch_load): New variable.
5397         * c-pch.c (lang_post_pch_load): Define it.
5398         (c_common_read_pch): Use it.
5399         * cgraphunit.c (record_call_1): Give the front end a chance to
5400         record additional needed entities when a variable is marked as
5401         needed.
5402         * tlink.c (recompile_files): Robustify.
5403         (scan_linker_output): If a symbol is assigned to a file,
5404         but after recompilation is not present there, issue an error
5405         message.
5406
5407 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5408
5409         * tree-ssa-loop-im.c (force_move_till_expr, force_move_till):
5410         Take orig_loop argument and pass it to set_level.
5411         (schedule_sm): Pass the correct orig_loop to force_move_till.
5412
5413 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5414
5415         * cfgloop.c (update_latch_info): Update dominator of the new block.
5416         (canonicalize_loop_headers, flow_loops_find): Do not free dominance
5417         info.
5418         * dominance.c (verify_dominators): Check that the dominance tree is
5419         connected.
5420         (recount_dominator): Ignore unreachable blocks.
5421         (iterate_fix_dominators): Cleanup old dominance information before
5422         recomputing it.
5423
5424 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
5425
5426         * tree-ssa-operands.c (get_expr_operands): Revert changes
5427         to ADDR_EXPR processing introduced by:
5428             2004-06-21  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5429             * tree-ssa-operands.c (get_expr_operands): Minor rearrangements.
5430
5431 2004-07-29  Joseph S. Myers  <jsm@polyomino.org.uk>
5432
5433         * doc/implement-c.texi: Add C90 subclause references.  Point to
5434         preprocessor documentation instead of duplicating it.  Add points
5435         only present in C90.  Fill in documentation for all points.
5436
5437 2004-07-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5438
5439         * pa.c (output_movb): Correct typo.
5440
5441 2004-07-29  Pat Haugen  <pthaugen@us.ibm.com>
5442
5443         * ra.h (single_reg_in_regclass): Declare.
5444         * ra.c (single_reg_in_regclass): Define.
5445         (first_hard_reg): New.
5446         (init_ra): Initialize single_reg_in_regclass.
5447         * ra-colorize.c (ok_class): New.
5448         (coalesce, aggressive_coalesce, extended_coalesce_2): Use it.
5449
5450 2004-07-29  Nathan Sidwell  <nathan@codesourcery.com>
5451
5452         * gcov-io.h: Allow zero tag as EOF indicator.
5453         (gcov_is_eof): Remove.
5454         (gcov_truncate): Remove.
5455         * gcov-io.c (gcov_seek): Always SEEK_SET.
5456         * libgcov.c (gcov_exit): Don't use gcov_truncate.  Write explicit
5457         EOF tag.
5458         * coverage.c (read_counts_file): Don't use gcov_is_eof.
5459         * gcov-dump.c (dump_file): Likewise.
5460         * gcov.c (read_graph_file, read_count_file): Likewise.
5461
5462         * c-decl.c (complete_array_type): Don't gratuitously copy
5463         maxindex.  Check it always has a type.
5464
5465 2004-07-29  Steven Bosscher  <stevenb@suse.de>
5466
5467         * rtl.c (currently_expanding_to_rtl): New.
5468         * rtl.h (currently_expanding_to_rtl): Export it.
5469         * cfgexpand.c (tree_cfg_expand): Set/clear it at entry/exit.
5470
5471         * config/alpha/alpha.c (alpha_expand_mov): Remove old RTL
5472         inliner hack.
5473         * config/sh/sh.c: Replace rtx_equal_function_value_matters
5474         with currently_expanding_to_rtl.
5475         * config/sh/sh.md: Likewise.
5476         * config/ia64/ia64.c (got_symbolic_operand): Likewise.
5477
5478 2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
5479
5480         Introduce sh2a support.
5481         2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
5482         * config.gcc: Build multilibs for sh2a and sh2a-single by
5483         default.
5484         * config/sh/sh.h (SUPPORT_SH2A, SUPPORT_SH2A_SINGLE): Define by
5485         default.  Split their tests out of the corresponding SH4
5486         multilibs.
5487         * config/sh/t-sh (MULTILIB_MATCHES): Don't ever use SH4 or SH4a
5488         multilibs for SH2a.
5489         2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
5490         * config.gcc: Handle sh2a multilibs and cpu selection.
5491         * config/sh/sh.h: Likewise.  Handle sh2a command line flags.
5492         * config/sh/t-mlib-sh2a: New.
5493         * config/sh/t-mlib-sh2a-nofpu: New.
5494         * config/sh/t-mlib-sh2a-single: New.
5495         * config/sh/t-mlib-sh2a-single-only: New.
5496         2004-07-09  Nick Clifton  <nickc@redhat.com>
5497         Issue 43400
5498         * config/sh/sh.h (DRIVER_SELF_SPECS): Issue an error message if
5499         -ml and -m2a are used together.
5500         2004-03-23  DJ Delorie  <dj@redhat.com>
5501         * config/sh/sh.c (sh_builtin_saveregs): Use the double code only
5502         when we have a double-sized FPU.
5503         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
5504         * config/sh/lib1funcs.asm (set_fpscr): Don't build if __SH2A_NOFPU__
5505         is set.
5506         * config/sh/elf.h (SUBTARGET_ASM_ISA_SPEC): Add cases for -msh2a-nofpu,
5507         -msh2a-single and -msh2a-single-only
5508         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
5509         * config/sh/crt1.asm: Don't generate FPU instructions if __SH2A_NOFPU__
5510         is set.
5511         2004-02-20  DJ Delorie  <dj@delorie.com>
5512         * config/sh/sh.md (movsf_i, movsf_ie, movsf, ble, bge): Disable for sh2a-nofpu.
5513         2004-02-20  Fred Fish <fnf@redhat.com>,
5514         Corinna Vinschen <vinschen@redhat.com>
5515         * config/sh/t-sh (MULTILIB_OPTIONS): Add 2a-nofpu.
5516         (MULTILIB_EXCEPTIONS): Don't build littel-endian on sh2a.
5517         2004-02-18  DJ Delorie  <dj@redhat.com>
5518         * config/sh/sh.c (broken_move): Add support for movi20.
5519         * config/sh/sh.h: Likewise.
5520         (SHIFT_COUNT_TRUNCATED): Set for sh2a.
5521         * config/sh/sh.md (udivsi3_sh2a): New.
5522         (udivsi3): Call it.
5523         (divsi3_sh2a): New.
5524         (divsi3): Call it.
5525         (mul_r): New.
5526         (ashlsi3_sh2a): New.
5527         (ashrsi3_sh2a): New.
5528         (lshrsi3_sh2a): New.
5529         (movsi_i): Disable for sh2a.
5530         (movsi_ie): Add movi20.
5531         (movsf_i, movsf_ie, movsf, ble, untyped_call): Explicitly enable
5532         sh2a, for -m2a-nofpu mode.
5533         2004-02-13  DJ Delorie  <dj@redhat.com>
5534         * config/sh/lib1funcs.asm: Handle double vs single better.
5535         * config/sh/sh.h: Likewise.
5536         2004-02-09  DJ Delorie  <dj@redhat.com>
5537         * config/sh/crt1.asm: Add support for sh2a.
5538         * config/sh/elf.h: Likewise.
5539         * config/sh/lib1funcs.asm: Likewise.
5540         * config/sh/sh.c: Likewise.
5541         * config/sh/sh.md: Likewise.
5542         * config/sh/sh.h: Likewise.
5543         * config/sh/t-sh: Likewise.
5544
5545 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
5546
5547         * config/frv/frv.md (movqi_internal, movhi_internal,
5548         movsi_internal): Add backup alternatives for memory inputs.
5549
5550 2004-07-28  Matt Austern  <austern@apple.com>
5551
5552         * config/darwin.c (darwin_one_byte_bool): New global variable.
5553         * config/darwin.h (darwin_one_byte_bool): Declare.
5554         (SUBTARGET_OPTIONS): Define macro.  (for -mone-byte-bool flag.)
5555         * config/rs6000/darwin.h (BOOL_TYPE_SIZE): Conditionalize on
5556         value of darwin_one_byte_bool.
5557         * doc/invoke.texi: Document -mone-byte-bool flag.
5558
5559 2004-07-28  Eric Christopher  <echristo@redhat.com>
5560
5561         * c-common.c (c_common_unsafe_for_reeval): Delete.
5562         * c-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete use.
5563         * c-pretty-print.c (pp_c_expression): Delete UNSAVE_EXPR case.
5564         * calls.c (fix_unsafe_tree): Delete.
5565         (expand_call): Delete code which used above.
5566         * dojump.c (do_jump): Delete UNSAVE_EXPR case.
5567         * expr.c (expand_expr_real_1): Ditto.
5568         * fold-const.c (non_lvalue): Ditto.
5569         * langhooks-def.h (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
5570         (lhd_unsafe_for_reeval): Ditto.
5571         * langhooks.c (lhd_unsafe_for_reeval): Ditto.
5572         * langhooks.h (unsafe_for_reeval): Ditto.
5573         (unsave_expr_now): Adjust comment.
5574         * tree-inline.c (copy_body_r): Delete UNSAVE_EXPR bits.
5575         (estimate_num_insns_1): Ditto.
5576         * tree-pretty-print.c (dump_generic_node): Ditto.
5577         * tree.c (expr_align): Ditto.
5578         (unsave_expr): Delete.
5579         (unsafe_for_reeval): Ditto.
5580         * tree.h (unsafe_for_reeval, unsave_expr): Ditto.
5581         * tree.def (UNSAVE_EXPR): Delete.
5582         * objc/objc-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
5583
5584 2004-07-28  Zack Weinberg  <zack@codesourcery.com>
5585
5586         * tree.h (enum tls_model): Move ...
5587         * coretypes.h: ... here.
5588
5589 2004-07-28  Richard Sandiford <rsandifo@redhat.com>
5590
5591         * config/frv/frv.h (EPILOGUE_USES): New.  Use LR.
5592
5593 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
5594
5595         * cse.c (validate_canon_reg): New function, split out from...
5596         (canon_reg): ...here.  Use validate_canon_reg for both 'e' and 'E'.
5597
5598 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
5599
5600         * tree-ssa-alias.c (maybe_create_global_var): Don't just
5601         return if .GLOBAL_VAR has been created.
5602
5603 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
5604
5605         * tree-ssa.c (verify_flow_insensitive_alias_info): Process
5606         every variable that may have aliases, not just tags.
5607
5608 2004-07-28  Aldy Hernandez  <aldyh@redhat.com>
5609
5610         * config/rs6000/rs6000.md ("move_from_CR_gt_bit"): Rename to
5611         move_from_CR_eq_bit.
5612         Rename UNSPEC_MV_CR_GT to UNSPEC_MV_CR_EQ.
5613
5614
5615         * config/rs6000/spe.md ("e500_flip_gt_bit"): Rename to
5616         e500_flip_eq_bit.
5617
5618         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_gt_bit to
5619         output_e500_flip_eq_bit.
5620
5621         * config/rs6000/rs6000.c (output_e500_flip_gt_bit): Rename to
5622         output_e500_flip_eq_bit.
5623         (rs6000_emit_sCOND): Rename call to output_e500_flip_gt_bit to
5624         output_e500_flip_eq_bit.
5625         Rename gen_move_from_CR_gt_bit to gen_move_from_CR_eq_bit.
5626         (print_operand): case D.  Get to EQ bit.
5627
5628 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
5629
5630         * gcov.c (function_summary): Add missing \n.
5631
5632 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
5633
5634         Introduce sh4a support.
5635         * config.gcc: Handle sh4a multilibs and cpu selection.
5636         * config/sh/sh.h: Likewise.  Handle sh4a command line flags.
5637         * config/sh/t-mlib-sh4a: New.
5638         * config/sh/t-mlib-sh4al: New.
5639         * config/sh/t-mlib-sh4a-nofpu: New.
5640         * config/sh/t-mlib-sh4a-single: New.
5641         * config/sh/t-mlib-sh4a-single-only: New.
5642         2004-02-20  DJ Delorie  <dj@redhat.com>
5643         * config/sh/sh.md ("movua"): Change constraint from "m" to "Sua".
5644         * config/sh/sh.h (EXTRA_CONSTRAINT_S): Add "Sua" support.
5645         2003-08-22  Eric Christopher  <echristo@redhat.com>
5646         * config/sh/sh4a.md: Update for chip errata.
5647         2003-08-07  Eric Christopher  <echristo@redhat.com>
5648         * config/sh/sh4a.md: New file. sh4a processor description.
5649         2003-07-08  Alexandre Oliva  <aoliva@redhat.com>
5650         * config/sh/sh.h (TARGET_SWITCHES): Added 4al.  Adjust description
5651         of -m4a-nofpu.
5652         (SH_ASM_SPEC): Pass -dsp for -m4al, not -m4a-nofpu.
5653         * config/sh/t-sh (MULTILIB_MATCHES): Map -m4al to -m4a-nofpu.
5654         * doc/invoke.texi (SH Options): Document -m4al.
5655         2003-07-03  Alexandre Oliva  <aoliva@redhat.com>
5656         * config/sh/sh.c (expand_block_move): Remove commented-out code
5657         checked in by mistake.
5658         (sh_cannot_change_mode_class): Enable SUBREGs to be used to select
5659         single elements from SFmode vectors.
5660         * config/sh/sh.md (fsca): Use VEC_CONCAT to initialize the output
5661         register.
5662         (sinsf2, cossf2, sindf2, cosdf2): Don't emit CLOBBER.
5663         2003-07-01  Alexandre Oliva  <aoliva@redhat.com>
5664         * config/sh/sh.h (sh_fsca_sf2int, sh_fsca_df2int,
5665         sh_fsca_int2sf): Remove variable declarations.
5666         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
5667         sh_fsca_int2sf): New functions.
5668         (sh_fsca_sf2int_rtx, sh_fsca_df2int_rtx,
5669         sh_fsca_int2sf_rtx): New static variables.
5670         * config/sh/sh-protos.h (sh_fsca_sf2int, sh_fsca_df2int,
5671         sh_fsca_int2sf): Declare.
5672         * config/sh/sh.md: Adjust.
5673         * doc/invoke.texi (SH Options): Document new options.
5674         * config/sh/lib1funcs.asm (ic_invalidate): Remove SH4a forward
5675         compatibility from SH4 code.
5676         2003-06-27  Alexandre Oliva  <aoliva@redhat.com>
5677         * config/sh/sh.c (expand_block_move): Don't emit POST_INC too
5678         early.
5679         (memory_movsrc_operand): Renamed to...
5680         (unaligned_load_operand): ... this.  Simplified.
5681         * config/sh/sh.h (PREDICATE_CODES): Adjust.
5682         * config/sh/sh.md (movua, extv, extzv): Likewise.  Change movua's
5683         input operand to SImode, and adjust the others.  Introduce
5684         post-increment by peephole.
5685         * config/sh/sh.c (expand_block_move): Give the target address the
5686         same mode as the temp reg.
5687         * config/sh/sh.c (expand_block_move): Use a temp reg for unaligned
5688         copying.
5689         2003-06-26  Alexandre Oliva  <aoliva@redhat.com>
5690         Introduce support for SH4a.
5691         * config/sh/lib1funcs.asm (ic_invalidate): Use icbi if
5692         __SH4A__.  Emit 4 4kb blocks and touch all of them otherwise.
5693         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
5694         sh_fsca_int2sf): New.
5695         (sh_init_builtins): Initialize them.
5696         (print_operand): Support `d'.
5697         (expand_block_move): Use movua if src is misaligned.
5698         (memory_movsrc_operand): New.
5699         * config/sh/sh.h (TARGET_CPU_CPP_BUILTINS): Define __SH4A__
5700         and one of the SH4 macros.
5701         (SH4A_BIT, TARGET_SH4A_ARCH, TARGET_SH4A_FP,
5702         SELECT_SH4A_NOFPU, SELECT_SH4A_SINGLE_ONLY, SELECT_SH4A,
5703         SELECT_SH4A_SINGLE): New.
5704         (TARGET_NONE): Add SH4A_BIT.
5705         (TARGET_SWITCHES): Add 4a-single-only, 4a-single, 4a-nofpu and 4a.
5706         (SH_ASM_SPEC): Pass -dsp if -m4a-nofpu.
5707         (sh_fsca_sf2int, sh_fsca_df2int, sh_fsca_int2sf): Declare.
5708         (OVERRIDE_OPTIONS): Set cpu to CPU_SH4A when appropriate.
5709         (enum processor_type): Added PROCESSOR_SH4A.
5710         (PREDICATE_CODES): Add memory_movsrc_operand.
5711         * config/sh/sh.md: Removed unused variables.
5712         (attr cpu): Add sh4a.
5713         (attr type): Add movua, fsrra and fsca.
5714         (prefetch): New, for SH4.
5715         (ic_invalidate_line, ic_invalidate_line_sh4a): Use icbi.
5716         (toggle_sz): Set type to fp.
5717         (toggle_pr, rsqrtsf2, fsca, sinsf2, cossf2, sindf2, cosdf2): New.
5718         (movua, extv, extzv): New.
5719         * config/sh/t-sh: Add multilibs for 4a, 4a-nofpu, 4a-single
5720         and 4a-single-only.
5721
5722 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
5723
5724         * tree-optimize.c (init_tree_optimization_passes): Schedule
5725         pass_may_alias right after the program is renamed into SSA.
5726         * tree-pass.h (PROP_alias): Define.
5727         * tree-outof-ssa.c (pass_del_ssa): Require PROP_alias.
5728         * tree-sra.c (pass_sra): Likewise.
5729         * tree-ssa-ccp.c (pass_ccp): Likewise.
5730         * tree-ssa-copyrename.c (pass_rename_ssa_ccp): Likewise.
5731         * tree-ssa-dce.c (pass_dce): Likewise.
5732         * tree-ssa-dom.c (pass_dominator): Likewise.
5733         * tree-ssa-dse.c (pass_dse): Likewise.
5734         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
5735         * tree-ssa-loop-ch.c (pass_ch): Likewise.
5736         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
5737         * tree-ssa-pre.c (pass_pre): Likewise.
5738         * tree-tailcall.c (pass_tail_recursion): Likewise.
5739         * tree-ssa.c (pass_redundant_phi): Likewise.
5740         * tree-ssa-alias.c (aliases_computed_p): Remove.
5741         Update all users.
5742         (init_alias_info): Do not mark all type tags for renaming
5743         unconditionally.
5744         Clear may_aliases from every symbol.
5745         (setup_pointers_and_addressables): If a pointer has not been
5746         dereferenced and it had a type tag, clear it and mark the old
5747         tag for renaming.
5748
5749 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
5750
5751         PR tree-optimization/16705
5752         * tree-ssa-alias.c (create_global_var): Set DECL_EXTERNAL on
5753         .GLOBAL_VAR.
5754
5755 2004-07-27  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5756
5757         * expr.c (expand_expr_real_1, case PARM_DECL): Remove obsolete error
5758         check.
5759
5760         * gimplify.c (maybe_with_size_expr): If already have WITH_SIZE_EXPR,
5761         don't make another one.
5762
5763         PR optimization/15077
5764         * function.h (struct function): Add field saved_static_chain_decl.
5765         Fix comment for static_chain_decl.
5766         * tree-inline.c (save_body): Add new arg and handle static_chain_decl.
5767         * tree-inline.h (save_body): Add new arg.
5768         * tree-optimize.c (tree_rest_of_compilation): Handle saving
5769         static_chain_decl.
5770
5771 2004-07-27  Richard Henderson  <rth@redhat.com>
5772
5773         * gimplify.c (is_gimple_addr_expr_arg_or_indirect): Remove.
5774         (gimplify_modify_expr, gimplify_addr_expr, gimplify_expr): Use
5775         is_gimple_addressable.
5776         * tree-gimple.c (is_gimple_addressable): Rename from
5777         is_gimple_addr_expr_arg; accept INDIRECT_REF.
5778         (is_gimple_lvalue): Don't test INDIRECT_REF directly.
5779         * tree-gimple.h, tree-sra.c, tree-ssa-loop-im.c: Update for
5780         rename to is_gimple_addressable.
5781
5782 2004-07-28  Alan Modra  <amodra@bigpond.net.au>
5783
5784         * config/rs6000/rs6000.c (function_arg_padding): Pad SFmode upwards.
5785
5786 2004-07-27  Richard Henderson  <rth@redhat.com>
5787
5788         * function.c (assign_stack_local_1): Widen alignment to HOST_WIDE_INT
5789         before rounding.
5790
5791 2004-07-27  Zack Weinberg  <zack@codesourcery.com>
5792
5793         * libgcc2.c: Change all conditionals testing
5794         LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 96 to == 80.
5795         * libgcc2.h: Likewise.
5796         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Set
5797         TYPE_PRECISION of float80_type to 80.
5798         * config/ia64/ia64.c (ia64_init_builtins): Set TYPE_PRECISION
5799         of fpreg_type and float80_type to 80.
5800         * config/i386/i386.h, config/ia64/ia64.h, config/m68k/m68k.h
5801         * config/m68k/netbsd-elf.h:
5802         Change LONG_DOUBLE_TYPE_SIZE and possibly LIBGCC2_LONG_DOUBLE_TYPE_SIZE
5803         to evaluate to 80 whenever they would formerly have evaluated to 96.
5804         * config/i386/sco5.h: Remove unnecessary redefinition of
5805         LONG_DOUBLE_TYPE_SIZE.
5806         * doc/rtl.texi: Clarify uses of XFmode and TFmode.
5807         * config/i386/i386-modes.def: Use FRACTIONAL_FLOAT_MODE for
5808         XFmode, with a bitsize of 80.  Update commentary.
5809         * config/ia64/ia64-modes.def: Likewise.
5810         * config/m68k/m68k-modes.def: Likewise.
5811
5812 2004-07-27  Steven Bosscher  <stevenb@suse.de>
5813
5814         * cfgexpand.c (tree_expand_cfg): Fix comment.
5815
5816         * calls.c (expand_call): Ignore rtx_equal_function_value_matters.
5817         * function.c (purge_single_hard_subreg_set, purge_hard_subreg_sets):
5818         Remove.
5819         (prepare_function_start): Don't set rtx_equal_function_value_matters.
5820         * integrate.c (copy_rtx_and_substitute): Don't test for it.
5821         * passes.c (rest_of_compilation): Don't call purge_hard_subreg_sets.
5822         Don't set rtx_equal_function_value_matters.  Don't register RTL hooks
5823         here again.  Update leading comment.
5824         * rtl.c (rtx_equal_function_value_matters): Remove.
5825         (rtx_equal_p): Don't test for it.
5826         * simplify-rtx.c (simplify_binary_operation, simplify_subreg):
5827         Likewise.
5828
5829         * rtl.h (enum insn_note): Remove NOTE_INSN_LOOP_END_TOP_COND.
5830         * rtl.c (note_insn_name): Likewise.
5831         * emit-rtl.c (remove_unnecessary_notes): Don't handle it.
5832         * final.c (final_scan_insn): Likewise.
5833
5834         * except.c (finish_eh_generation): Don't call cfg_cleanup from here.
5835         * passes.c (rest_of_handle_eh): Do it here.
5836
5837         * stmt.c (struct nesting): Remove struct nesting block member.
5838         (struct stmt_status): Remove x_block_start_count field.
5839         (current_block_start_count): Remove.
5840
5841 2004-07-27  Brian Booth  <bbooth@redhat.com>
5842
5843         * tree-optimize.c (register_one_dump_file): Update condition that uses
5844         static_pass_number.
5845         (dup_pass_1): Replace with...
5846         (next_pass_1): This.
5847         (NEXT_PASS): Call next_pass_1.
5848         (DUP_PASS): Remove.
5849         (init_tree_optimization_passes): Remove uses of DUP_PASS.
5850         (execute_one_pass): Update condition that uses
5851         static_pass_number.
5852         * tree-pass.h (tree_opt_pass): Declare static_pass_number as a signed
5853         integer.
5854
5855 2004-07-27  Nick Clifton  <nickc@redhat.com>
5856
5857         * config/m32r/m32r.c: Include integrate.h in order to get the
5858         prototype for get_hard_reg_initial_val().
5859
5860         * config/m32r/m32r.md (m32rpipeline): Remove unused value "m32r"
5861         and tidy up indentation.
5862         (final_presence_set): Use absence_set instead, so that if there is
5863         nothing in the "o" pipe the "s" pipe can be scheduled.
5864
5865 2004-07-27  Diego Novillo  <dnovillo@redhat.com>
5866
5867         * tree-ssa-alias.c (create_name_tags): Ignore pointers that
5868         don't have PT_VARS nor PT_MALLOC set.
5869         Clear name tag from pointers that have not been dereferenced.
5870         (set_pt_anything, set_pt_malloc): Forward declare.
5871         * tree-ssa-copy.c (may_propagate_copy): Compare alias sets,
5872         not type compatibility when determining if a pointer can be
5873         copy propagated.
5874
5875 2004-07-27  Richard Sandiford  <rsandifo@redhat.com>
5876
5877         * expr.h (canonicalize_condition, get_condition): Add an int argument.
5878         * gcse.c (fis_get_condition): Reimplement using get_condition, leaving
5879         it to check whether the condition is still valid at the jump insn.
5880         * ifcvt.c (noce_get_condition): Likewise.
5881         (noce_get_alt_condition): Update call to canonicalize_condition.
5882         * loop-iv.c (simplify_using_initial_values): Update call to
5883         get_condition.  Remove FIXME.
5884         (check_simple_exit): Update call to get_condition.
5885         * loop-unswitch.c (may_unswitch_on): Likewise.
5886         * loop.c (check_dbra_loop): Likewise.
5887         (canonicalize_condition, get_condition): Add an argument to say whether
5888         the condition must still be valid at INSN.
5889         (get_condition_for_loop): Update call to get_condition.  Require that
5890         the condition be valid at INSN.
5891         * predict.c (estimate_probability): Update call to get_condition.
5892         Remove unused earliest parameter.
5893         (expected_value_to_br_prob): Update call to canonicalize_condition.
5894
5895 2004-07-26  Eric Christopher  <echristo@redhat.com>
5896
5897         * tree-dfa.c (add_referenced_var): Register initializers of global
5898         variables.
5899
5900 2004-07-26  Paolo Bonzini  <bonzini@gnu.org>
5901
5902         * config/i386/i386.c (function_arg): Always treat 8-
5903         and 16-byte wide vectors the same, even if MMX/SSE
5904         are disabled.
5905         (contains_128bit_aligned_vector_p): Add comment.
5906
5907 2004-07-26  J"orn Rennecke <joern.rennecke@superh.com>
5908
5909         * ra.h (enum node_type): Rename to:
5910         (enum ra_node_type).
5911         * ra-colorize.c: Likewise.
5912
5913 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
5914
5915         * cfgcleanup.c (try_simplify_condjump): Call update_forwarder_flag
5916         after simplifying the jump.
5917
5918 2004-06-26  Richard Henderson  <rth@redhat.com>
5919
5920         * calls.c (combine_pending_stack_adjustment_and_call): Make
5921         preferred_unit_stack_boundary argument unsigned.  Make
5922         unadjusted_alignment unsigned.
5923         (expand_call): Make preferred_stack_boundary and
5924         preferred_unit_stack_boundary variables unsigned.
5925         * function.c (assign_stack_local_1): Make alignment unsigned.
5926         * function.h (struct function): Make stack_alignment_needed,
5927         preferred_stack_boundary unsigned.
5928         * config/i386/i386.c (ix86_preferred_stack_boundary): Make unsigned.
5929         (ix86_compute_frame_layout): Make stack_alignment_needed,
5930         preferred_alignment variables unsigned.
5931         * config/i386/i386.h (ix86_preferred_stack_boundary): Make unsigned.
5932
5933 2004-07-26  Tom Tromey  <tromey@redhat.com>
5934
5935         * tree.h: Fix typo in comment.
5936
5937 2004-07-26  Daniel Jacobowitz  <dan@debian.org>
5938
5939         PR bootstrap/12804
5940         * ggc-zone.c (struct alloc_chunk): Remove attribute packed.
5941         (MAX_FREE_BIN_SIZE): Increase on 64-bit targets.
5942         (ggc_free): Remove incorrect freeing.
5943         (sweep_pages): Advance PP for large pages.  Fix indentation.
5944
5945 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
5946
5947         PR rtl-optimization/16643
5948         * cfglayout.h (cfg_layout_initialize): Add a flags parameter.
5949         * cfglayout.c (cfg_layout_initialize): Pass it to cleanup_cfg.
5950         * basic-block.h (reorder_basic_blocks): Add a flags parameter.
5951         * cfglayout.c (reorder_basic_blocks): Pass it to cfg_layout_initialize.
5952         (partition_hot_cold_basic_blocks): Pass 0 to cfg_layout_initialize.
5953         * function.c (thread_prologue_and_epilogue_insns): Likewise.
5954         * rtl.h (tracer): Add a flags parameter.
5955         * tracer.c (tracer): Pass it to cfg_layout_initialise.
5956         * passes.c (rest_of_handle_stack_regs): Pass 0 to reorder_basic_blocks.
5957         (rest_of_handle_reorder_blocks): Update calls to tracer and
5958         reorder_basic_blocks, passing CLEANUP_UPDATE_LIFE if appropriate.
5959         (rest_of_handle_tracer): Pass 0 to tracer.
5960         (rest_of_handle_loop2): Pass 0 to cfg_layout_initialize.
5961
5962 2004-07-25  David Edelsohn  <edelsohn@gnu.org>
5963
5964         PR target/16239
5965         * config/rs6000/rs6000.md (movdi_internal64): Further disparage
5966         f->f.
5967
5968 2004-07-24  Nathan Sidwell  <nathan@codesourcery.com>
5969
5970         * tree.h (BINFO_BASE_ACCESSES): Accesses are a VEC(tree).
5971         (BINFO_BASE_ACCESS): Adjust.
5972         (BINFO_BASE_ACCESS_APPEND): New.
5973         (struct tree_binfo): Make base_accesses a VEC(tree) pointer.
5974         * dbxout.c (dbxout_type): Adjust binfo access accessing.
5975         * dwarf2out.c (gen_member_die): Likewise.
5976         * tree-dump.c (deque_and_dump): Likewise.
5977
5978 2004-07-26  Falk Hueffner  <falk@debian.org>
5979
5980         * config/alpha/alpha.c (alpha_rtx_cost_data): Tweak int_div
5981         costs.
5982
5983 2004-07-25  Roger Sayle  <roger@eyesopen.com>
5984
5985         * config/i386/i386.c (output_fp_compare): Use ffreep to pop top
5986         value off of the stack if TARGET_USE_FFREEP.
5987
5988 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
5989
5990         * gengtype.c (oprintf): Replace xrealloc () with XRESIZEVEC ().
5991         * gengtype-yacc.y: Likewise.  Replace free() with XDELETE ().
5992         * c-typeck.c (PUSH_SPELLING): Remove redundant NULL-pointer
5993         check on invocation of XRESIZEVEC ().
5994
5995 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
5996
5997         * c-common.c (disable_builtin_function): Rename variable n to
5998         new_disabled_builtin.
5999         * c-decl.c (duplicate_decls): Rename parameter decl to new_decl.
6000         Rename local variable old to old_decl.
6001         * gensupport.c (shift_output_template): Rename parameter old to src.
6002         * simplify-rtx.c (simplify_replace_rtx): Rename parameter oldx to
6003         old_rtx and newx to new_rtx.
6004
6005 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
6006
6007         * Makefile.in (C_PRAGMA_H): New variable to track dependencies
6008         of c-pragma.h.
6009         * c-pragma.h (c_lex, c_lex_with_flags): Change returntype to
6010         enum cpp_ttype.
6011         * c-lex.c: Likewise.
6012
6013 2004-07-25  Roger Sayle  <roger@eyesopen.com>
6014
6015         * fold-const.c (constant_boolean_node): Make extern.
6016         (make_range): Wrap long lines.
6017         (fold_cond_expr_with_comparison): Remove unnecessary call to
6018         pedantic_non_lvalue.  Add missing calls to fold_convert.
6019         (fold_truthop): Add missing calls to fold_convert.
6020         (fold): Likewise.
6021         * tree.h (constant_boolean_node): Add prototype here.
6022         * builtins.c (expand_builtin_strncmp): Add missing calls to
6023         fold_convert.
6024         * tree-ssa-dom.c (record_equivalences_from_incoming_edge):
6025         Call fold_convert and constant_boolean_node to correct types.
6026         * tree-ssa-forwprop.c (substitute_single_use_vars): Add
6027         missing call to fold_convert to correct types.
6028
6029 2004-07-26  Niall Douglas  <s_fsfeurope2@nedprod.com>
6030             Brian Ryner  <bryner@brianryner.com>
6031
6032         PR c++/9283
6033         PR c++/15000
6034         * c-common.c (c_common_attribute_table): Allow
6035         handle_visibility_attribute to be called for types.
6036         (handle_visibility_attribute) When given a type, set the visibility
6037         bits on the TYPE_NAME.  When given a decl, don't set no_add_attrs
6038         so that we can check later whether the attribute was present. Added
6039         warning if attribute applied to non class type.
6040         * c-decl.c (diagnose_mismatched_decls): Updated rules for merging
6041         decls and checking that they are consistent.
6042         * common.opt: Added -fvisibility.
6043         * c.opt, c-opts.c: Added -fvisibility-inlines-hidden.
6044         * c-pragma.h, c-pragma.c: Added handle_pragma_visibility().
6045         * flags.h, tree.h: Added assorted support defines for overall patch
6046         * opts.c: Added parsing support for -fvisibility.
6047         * tree.c (build_decl): Set visibility for all decls to be whatever
6048         is in force at that time.
6049         * varasm.c (default_binds_local_p_1): Reworked logic determining
6050         when to make a symbol locally bound.
6051         * doc/invoke.texi: Added documentation for -fvisibility and
6052         -fvisibility-inlines-hidden.
6053
6054 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
6055
6056         * basic-block.h (reorder_block_def): Rename to reorder_block_def_p.
6057         * c-common.c: Add missing casts from void * to other types.
6058         * c-decl.c: Likewise.
6059         * c-format.c: Likewise.
6060         * c-lex.c: Likewise.
6061         * c-pragma.c: Likewise.
6062         * c-typeck.c: Likewise.
6063         * defaults.h: Likewise.
6064         * genconstants.c: Likewise.
6065         * gengtype-lex.l: Likewise.
6066         * genmodes.c: Likewise.
6067         * read-rtl.c: Likewise.
6068         * rtl.c: Likewise.
6069
6070 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
6071
6072         * bitmap.c: Use type-safe memory allocation macros from libiberty.
6073         * c-common.c: Likewise.
6074         * c-decl.c: Likewise.
6075         * c-lang.c: Likewise.
6076         * c-lex.c: Likewise.
6077         * c-opts.c: Likewise.
6078         * c-parse.in: Likewise.
6079         * c-typeck.c: Likewise.
6080         * genconditions.c: Likewise.
6081         * gengtype-lex.l: Likewise.
6082         * gengtype-yacc.y: Likewise.
6083         * gengtype.c: Likewise.
6084         * genmodes.c: Likewise.
6085         * gensupport.c: Likewise.
6086         * read-rtl.c: Likewise.
6087         * read-rtl.c (read_constants): Use INSERT instead of TRUE in call to
6088         htab_find_slot().
6089
6090 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
6091
6092         * c-decl.c (groktypename, groktypename_in_param_context): Rename
6093         variable typename to type_name.
6094         * c-lex.c (interpret_float): Likewise.
6095
6096 2004-07-25  Roger Sayle  <roger@eyesopen.com>
6097
6098         * convert.c (convert_to_real, convert_to_integer,
6099         convert_to_complex): Replace calls to build with calls to buildN.
6100         * coverage.c (tree_coverage_counter_ref): Likewise.
6101         * dojump.c (do_jump): Likewise.
6102         * dwarf2out.c (loc_descriptor_from_tree): Likewise.
6103         * emit-rtl.c (component_ref_for_mem_expr,
6104         set_mem_attributes_minus_bitpos): Likewise.
6105         * explow.c (update_nonlocal_goto_save_area): Likewise.
6106         * expmed.c (expand_shift, make_tree, const_mult_add_overflow_p,
6107         expand_mult_add): Likewise.
6108         * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall,
6109         store_constructor, get_inner_reference, expand_expr_real_1,
6110         try_casesi, try_tablejump): Likewise.
6111         * function.c (expand_function_start): Likewise.
6112         * stmt.c (emit_case_bit_tests, expand_end_case_type,
6113         node_has_low_bound, node_has_high_bound, emit_case_nodes): Likewise.
6114         * stor-layout.c (place_union_field, layout_type): Likewise.
6115         * tree.c (substitute_in_expr, tree_fold_gcd): Likewise.
6116         * varasm.c (copy_constant): Likewise.
6117
6118 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
6119
6120         * c-common.c: Rename all identifiers named `new'.
6121         * c-decl.c: Likewise.
6122         * gensupport.c: Likewise.
6123         * simplify-rtx.c: Likewise.
6124         * c-common.c (disable_builtin_function): Replace a call to xmalloc()
6125         with XNEW().
6126         * gensupport.c (alter_output_for_insn): Replace two calls to xmalloc()
6127         with XNEWVEC().
6128
6129 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
6130
6131         PR c/15360
6132         * c-decl.c (start_decl): Do not set DECL_EXTERNAL for initialized
6133         declarations until after calling pushdecl.
6134         (grokdeclarator): Set DECL_EXTERNAL for variables based on use of
6135         "extern" and not on whether the declaration is initialized.
6136
6137 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
6138
6139         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
6140         (sparc-*-solaris2*): Include sol2.o and sol2-protos.h.
6141         * config/sol2-c.c: Include "tm.h", "tm_p.h", "toplev.h",
6142         "cpplib.h", "c-pragma.h", "c-common.h".
6143         (solaris_pragma_align, solaris_pragma_init, solaris_pragma_fini)
6144         (solaris_register_pragmas): New functions.
6145         * config/sol2-protos.h: New file.
6146         * config/sol2.c: New file.
6147         * config/sol2.h (SOLARIS_ATTRIBUTE_TABLE, ASM_DECLARE_FUNCTION_SIZE)
6148         (REGISTER_TARGET_PRAGMAS): New macros.
6149         (solaris_pending_aligns, solaris_pending_inits)
6150         (solaris_pending_finis): New variables.
6151         * config/t-sol2 (sol2-c.o): Update dependencies.
6152         (sol2.o): New rule.
6153         * config/i386/i386.c (TARGET_INSERT_ATTRIBUTES): Define in terms of
6154         SUBTARGET_INSERT_ATTRIBUTES.
6155         (ix86_attribute_table): Include SUBTARGET_ATTRIBUTE_TABLE.
6156         * config/i386/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
6157         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
6158         * config/sparc/elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
6159         * config/sparc/sp64-elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
6160         * config/sparc/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
6161         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
6162         * config/sparc/sparc.c (sparc_attribute_table): New.
6163         (TARGET_INSERT_ATTRIBUTES): Define in terms of
6164         SUBTARGET_INSERT_ATTRIBUTES.
6165         (TARGET_ATTRIBUTE_TABLE): Define if SUBTARGET_ATTRIBUTE_TABLE
6166         is defined.
6167         * doc/extend.texi (Solaris Pragmas): New section.
6168
6169 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
6170
6171         * c-common.c: Rename all identifiers named `class' to `cl'.
6172         * c-common.h: Likewise.
6173         * c-parse.in: Likewise.
6174         * c-typeck.c: Likewise.
6175         * genmodes.c: Likewise.
6176         * real.c: Likewise.
6177         * real.h: Likewise.
6178         * recog.c: Likewise.
6179         * recog.h: Likewise.
6180         * regrename.c: Likewise.
6181         * tree.h: Likewise.
6182         * c-common.c (builtin_function_2): Change type of 5th parameter from
6183         int to enum built_in_function. Change type of 8th parameter from int
6184         to bool.
6185         * c-decl (builtin_function): Replace call to ggc_alloc_cleared ()
6186         with GGC_CNEW().
6187         * c-typeck.c (convert_arguments): Change type of formal_prec from
6188         int to unsigned int.
6189         * genmodes.c (blank_mode): Make a few negative constants unsigned.
6190         (complete_all_modes, calc_wider_mode, emit_insn_modes_h,
6191         emit_mode_name, emit_mode_class, emit_mode_precision, emit_mode_size,
6192         emit_mode_nunits, emit_mode_wider, emit_mode_mask, emit_mode_inner,
6193         emit_mode_base_align, emit_class_narrowest_mode): Pass an integer
6194         iterator to for_all_modes () instead of an enum because enums can't
6195         be incremented in C++.
6196
6197
6198 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
6199
6200         * regmove.c (optimize_reg_copy_1): Don't try to replace call-used
6201         hard registers.
6202
6203 2004-07-25  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6204
6205         * tree-ssa-operands.c (get_stmt_operands, get_expr_operands):
6206         Handle ARRAY_RANGE_REF like ARRAY_REF.
6207
6208 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
6209
6210         * c-typeck.c (digest_init): Don't allow arrays of signed or
6211         unsigned variants of wchar_t to be initialized by wide string
6212         constants.  Do allow arrays of enumerated types compatible with
6213         wchar_t to be initialized by wide string constants.  Refine tests
6214         distinguishing wide and narrow strings and arrays.  Give specific
6215         error for arrays of other integer types initialized by string
6216         constants.
6217         (output_init_element, process_init_element): Check for
6218         INTEGRAL_TYPE_P rather than just for INTEGER_TYPE when
6219         initializing with string constants.
6220
6221 2004-07-25  Richard Henderson  <rth@redhat.com>
6222
6223         * c-decl.c (start_function): Set DECL_ARTIFICIAL and DECL_IGNORED_P
6224         on the RESULT_DECL.
6225         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
6226         * integrate.c (copy_decl_for_inlining): Copy DECL_ARTIFICIAL and
6227         DECL_IGNORED_P to new decl.
6228
6229 2004-07-24  Zack Weinberg  <zack@codesourcery.com>
6230
6231         * config/ia64/ia64.c (general_xfmode_operand)
6232         (destination_xfmode_operand): Delete.
6233         * config/ia64/ia64.h (PREDICATE_CODES): Remove them.
6234         * config/ia64/ia64.md (*movxf_internal): Use general_operand
6235         and destination_operand.
6236
6237 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
6238
6239         * config/ia64/ia64.h (SUBTARGET_EXTRA_SPECS): Default to nothing.
6240         (EXTRA_SPECS): Use SUBTARGET_EXTRA_SPECS.
6241
6242 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
6243             Zack Weinberg  <zack@codesourcery.com
6244
6245         PR 16684
6246         * c-decl.c (diagnose_mismatched_decls): Don't issue a
6247         redundant-declaration warning the first time a builtin is
6248         declared explicitly.
6249
6250 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
6251
6252         * tree.h (staticp): Change return type to bool.
6253
6254 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
6255
6256         * c-common.c (c_staticp): Last episode of the staticp saga.
6257
6258 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
6259
6260         * c-common.h (c_staticp): Change return type from int to bool.
6261         * tree.c (staticp): Likewise.
6262         * langhooks.h (staticp): Likewise.
6263
6264 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
6265
6266         * langhooks-def.h (lhd_staticp): Change return type from int to
6267         bool in prototype to match definition.
6268
6269 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
6270
6271         * system.h (bool, true, false): Don't redefine as preprocessor macros
6272         in C++.
6273
6274 2004-07-24  Roger Sayle  <roger@eyesopen.com>
6275
6276         * expmed.c (init_expmed): A signed modulus by a power of two is
6277         considered cheap if its less than or equal to four instructions.
6278
6279 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
6280
6281         * ggc.h (GGC_NEW, GGC_CNEW, GGC_NEWVEC, GGC_CNEWVEC, GGC_NEWVAR,
6282         GGC_CNEWVAR): New macros.
6283
6284 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
6285
6286         * c-common.c: Convert ATTRIBUTE_UNUSED to ARG_UNUSED in parameter
6287         lists.
6288         * c-decl.c: Likewise.
6289         * c-format.c: Likewise.
6290         * c-lex.c: Likewise.
6291         * c-opts.c: Likewise.
6292         * c-pragma.c: Likewise.
6293         * c-typeck.c: Likewise.
6294         * gencheck.c: Likewise.
6295         * genconditions.c: Likewise.
6296         * genconfig.c: Likewise.
6297         * genflags.c: Likewise.
6298         * gengtype.c: Likewise.
6299         * gensupport.c: Likewise.
6300         * ggc-none.c: Likewise.
6301         * langhooks.c: Likewise.
6302         * statistics.h: Likewise.
6303         * stub-objc.c: Likewise.
6304         * java/decl.c: Likewise.
6305
6306 2004-07-24  Roman Zippel  <zippel@linux-m68k.org>
6307
6308         * config/m68k/m68k.c (output_scc_di): Fix coding style.
6309         (symbolic_operand): Fix prototype.
6310         * config/m68k/m68k.h (PREDICATE_CODES): Add symbolic_operand.
6311         * config/m68k/m68k.md: Add constants for registers a0 and sp and
6312         use them, change from the "{...}" syntax to the simpler {...}
6313         syntax.
6314         (*cfv4_extendqisi2): Fix destination predicate.
6315         * config/m68k/m68k-protos.h: Remove various declarations also
6316         generated via PREDICATE_CODES.
6317
6318 2004-07-23  Mike Stump  <mrs@apple.com>
6319
6320         * c-typeck.c (convert_for_assignment): Tightened up pointer
6321         converstions that differ in signedness.
6322
6323 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
6324
6325         * genmodes.c (make_vector_modes): Mark with ATTRIBUTE_UNUSED.
6326
6327 2004-07-23  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6328
6329         * tree.def (VIEW_CONVERT_EXPR): Change to class 'r'.
6330         * tree-ssa-operands.c (get_expr_operands, case VIEW_CONVERT_EXPR): New.
6331
6332         * gimplify.c (gimplify_compound_lval): Check for no handled
6333         operations, rather than checking for explicit list of nodes.
6334         (is_gimple_addr_expr_arg_or_indirect): New function.
6335         (gimplify_addr_expr): Call it and handle INDIRECT_REF; remove
6336         redundant setting of TREE_INVARIANT.
6337         (gimplify_expr, case VIEW_CONVERT_EXPR): Call gimplify_compound_lval.
6338         * tree-gimple.c (is_gimple_addr_expr_arg): Call handled_component_p.
6339
6340 2004-07-23  Diego Novillo  <dnovillo@redhat.com>
6341
6342         PR tree-optimization/16688
6343         PR tree-optimization/16689
6344         * tree-ssa-alias.c (setup_pointers_and_addressables): Remove
6345         unnecessary initialization of 'tag'.
6346         (get_tmt_for): Check that the new type tag has the same alias
6347         set as the pointed-to type.
6348         (group_aliases): Only regular variables need to be removed
6349         from the alias set of a name tag.
6350         * tree-ssa-copy.c (may_propagate_copy): Do not allow copy
6351         propagation if the two types are not compatible.
6352         (merge_alias_info): Rename from replace_ssa_names_ann.
6353         Add more checking.
6354         (replace_exp_1): If both arguments are SSA_NAMEs, check that
6355         the propagation can be done.
6356         Only call merge_alias_info on pointers.
6357         (propagate_value): Likewise.
6358         * tree-ssa-copyrename.c: Include langhooks.h.
6359         (copy_rename_partition_coalesce): Call replace_ssa_name_symbol
6360         to do the merging.
6361         Do not coalesce variables with incompatible types.
6362         (rename_ssa_copies): Call replace_ssa_name_symbol.
6363         * tree-ssa.c (verify_ssa_name): Verify that the SSA_NAME has
6364         the same type as the underlying _DECL.
6365         * tree-ssanames.c (replace_ssa_name_symbol): New function.
6366         * tree.h (replace_ssa_name_symbol): Declare.
6367
6368 2004-07-23  Richard Henderson  <rth@redhat.com>
6369
6370         PR c++/16277
6371         * gimplify.c (gimplify_cond_expr): Gimplify TARGET to a min_lval;
6372         unshare it properly.
6373         (gimplify_modify_expr_rhs): Push assignment from a conditional into
6374         the conditional for all non-register types.
6375
6376 2004-07-23  Richard Henderson  <rth@redhat.com>
6377
6378         * expr.c (expand_expr_real_1): Don't handle non-local variables.
6379         * expr.h (fix_lexical_addr): Remove.
6380         * function.c (NEED_SEPARATE_AP): Remove.
6381         (fix_lexical_addr): Remove.
6382         * tree-alias-common.c (get_alias_var_decl): Check TREE_STATIC,
6383         not null decl_function_context.
6384         (create_alias_vars): Likewise.
6385         * tree-cfg.c (make_ctrl_stmt_edges): Don't check for non-local labels.
6386         (simple_goto_p): Likewise.
6387         * tree-dfa.c (add_referenced_var): Don't check for non-local variables.
6388         * tree-ssa-ccp.c (get_default_value): Likewise.
6389         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
6390         * tree.c (needs_to_live_in_memory): Likewise.
6391         * tree-flow-inline.h (may_be_aliased): Move...
6392         * tree-ssa-alias.c (may_be_aliased): ... here.  Enhance check for
6393         when TREE_STATIC variables may be addressable.
6394
6395 2004-07-24  Jakub Jelinek  <jakub@redhat.com>
6396
6397         * Makefile.in (site.exp): Add HOSTCC and HOSTCFLAGS to site.exp.
6398
6399 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
6400
6401         * print-rtl.c (print_rtx <case 'b'>): Don't attempt to print
6402         bitmap contents if GENERATOR_FILE is defined.
6403         * Makefile.in (BUILD_RTL): Remove $(BUILD_PREFIX)bitmap.o.
6404         ($(BUILD_PREFIX_1)bitmap.o): Delete rule.
6405
6406 2004-07-23  Joseph S. Myers  <jsm@polyomino.org.uk>
6407
6408         * c-decl.c (start_function): Form composite type of function types
6409         rather than copying type from previous prototype declaration.
6410
6411 2004-07-23  Janis Johnson  <janis187@us.ibm.com>
6412
6413         * config/rs6000/altivec.h (vec_lvewx, vec_lvehx, vec_lvwbx): Remove
6414         the const qualifier for the second argument in the C++ functions.
6415
6416         * config/rs6000/altivec.h (vec_stvewx, vec_stvehx, vec_stvebx): Use
6417         specific pointer types.
6418
6419         * config/rs6000/altivec.h (vec_vadduwm): (vec_vadduwm, vec_vadduhm,
6420         vec_vaddubm, vec_vsubuwm, vec_vsubuhm, vec_vsububm): Fix types used
6421         for vector bool and/or vector pixel, add C++ and C missing support.
6422         (vec_vaddsws, vec_vaddshs, vec_vaddsbs, vec_vmaxsw, vec_vmaxsh,
6423         vec_vmaxsb, vec_vmrghw, vec_vmrghh, vec_vmrghb, vec_vmrglw, vec_vmrglh,
6424         vec_vmrglb, vec_vminsw, vec_vminsh, vec_vminsb, vec_vpkuwum,
6425         vec_vpkuhum, vec_vspltw, vec_vsplth, vec_vspltb, vec_vsubsws,
6426         vec_vsubshs, vec_vsubsbs, vec_vupklsh, vec_vupkhsh, vec_vupklsb): Add
6427         missing C++ and C support for vector bool and/or vector pixel.
6428         (vec_vadduws, vec_vadduhs, vec_vaddubs, vec_vcmpeqfp, vec_vcmpequw,
6429         vec_vcmpequh, vec_vcmpequb, vec_vcmpgtfp, vec_vcmpgtsw, vec_vcmpgtuw,
6430         vec_vcmpgtsh, vec_vcmpgtuh, vec_vcmpgtsb, vec_vcmpgtub, vec_vmaxuw,
6431         vec_vmaxuh, vec_vmaxub, vec_vminuw, vec_vminuh, vec_vminub,
6432         vec_vsubuws, vec_vsubuhs, vec_vsububs, vec_vupkhpx, vec_vupklpx): Fix
6433         C++ and C types used for vector bool and/or vector pixel.
6434         (vec_st, vec_stl): Add C++ support for vector pixel.
6435         (vec_unpackh, vec_unpackl, vec_any_ge): Fix C++ support for vector bool.
6436         (vec_all_ne): Add C++ support for vector pixel.
6437
6438         * config/rs6000/altivec.h (vec_vcmpgtsh): Fix C++ function name.
6439         (vec_vmulesb): Add missing C++ function.
6440         (vec_perm): Fix type of third argument in C++ function.
6441         (vec_vsum4shs): Fix C++ function name.
6442         (vec_any_ge): Remove C++ functions for unsupported arg combinations.
6443         (vec_vcmpgtsw, vec_vcmpgtuw, vec_minsb, vec_vmsummbm): Fix the
6444         argument passed to the error handler in C macro.
6445         (vec_nmsub): Remove extra parens around argument names in C macro.
6446         (vec_packpx): Add missing parens in C macro.
6447
6448 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
6449
6450         * machmode.def: Remove vector modes.
6451         * config/alpha/alpha-modes.def: Add supported vector modes.
6452         * config/arm/arm-modes.def: Likewise.
6453         * config/frv/frv-modes.def: Likewise.
6454         * config/i386/i386-modes.def: Likewise.
6455         * config/rs6000/rs6000-modes.def: Likewise.
6456         * config/sh/sh-modes.def: Likewise.
6457
6458 2004-07-23  Matthias Klose  <doko@debian.org>
6459
6460         * intl.c (gcc_init_libintl): Use PACKAGE for the text domain.
6461         * configure.ac: Add AC_DEFINE_UNQUOTED for PACKAGE.
6462         * config.h: Regenerate.
6463         * configure: Likewise.
6464
6465 2004-07-22  Mark Mitchell  <mark@codesourcery.com>
6466
6467         * dwarf2out.c (output_call_frame_info): Set SYMBOL_FLAG_LOCAL on
6468         generated SYMBOL_REFs for labels.
6469         * config/darwin-protos.h (machopic_validate_stub_or_non_lazy_ptr):
6470         Change prototype.
6471         (machopic_stub_name): Remove.
6472         (machopic_indirection_name): New function.
6473         (machopic_mcount_stub_name): Likewise.
6474         (machopic_classify_name): Remove.
6475         (machopic_function_base_sym): New function.
6476         (machpoic_classify_symbol): Likewise.
6477         (machopic_classify_ident): Remove.
6478         (machopic_define_ident): Likewise.
6479         (machopic_define_name): Likewise.
6480         (machopic_name_defined_p): Likewise.
6481         (machopic_ident_defined_p): Likewise.
6482         (darwin_strip_name_encoding): Likewise.
6483         (machopic_define_symbol): New function.
6484         * config/darwin.c (hashtab.h): Include.
6485         (machopic_defined_list): Remove.
6486         (machopic_classify_ident): Likewise.
6487         (machopic_classify_name): Likewise.
6488         (machopic_ident_defined_p): Likewise.
6489         (machopic_define_ident): Likewise.
6490         (machopic_define_name): Likewise.
6491         (machopic_symbol_defined_p): New function.
6492         (machopic_classify_symbol): Likewise.
6493         (machopic_data_defined_p): Use machopic_classify_symbol.
6494         (machopic_define_symbol): New function.
6495         (machopic_function_base_sym): New function.
6496         (machopic_non_lazy_pointers): Remove.
6497         (machopic_non_lazy_ptr_name): Likewise.
6498         (machopic_stubs): Likewise.
6499         (machopic_stub_name): Likewise.
6500         (NON_LAZY_POINTER_SUFFIX): New macro.
6501         (STUB_SUFFIX): Likewise.
6502         (machopic_indirection): New structure.
6503         (machopic_indirections): New variable.
6504         (machopic_indirection_hash): New function.
6505         (machopic_indirection_eq): Likewise.
6506         (machopic_indirection_name): Likewise.
6507         (machopic_mcount_stub_name): New function.
6508         (machopic_validate_stub_or_non_lazy_pointer): Reimplement to use
6509         hash table.
6510         (machopic_indirect_data_reference): Rework to use new functions.
6511         (machopic_indirect_call_target): Likewise.
6512         (machopic_legitimize_pic_address): Likewise.
6513         (machopic_output_indirection): New function.
6514         (machopic_finish): Use it.
6515         (machopic_operand_p): Rework to use new functions.
6516         (darwin_encode_seciton_info): Use SYMBOL_REF_FLAGS.
6517         (darwin_strip_name_encoding): Remove.
6518         (update_non_lazy_ptrs): Remove.
6519         (update_stubs): Likewise.
6520         (darwin_non_lazy_pcrel): Use new functions.
6521         * config/darwin.h (ASM_DECLARE_OBJECT_NAME): Likewise.
6522         (ASM_OUTPUT_LABELREF): Likewise.
6523         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
6524         (MACHO_SYMBOL_FLAG_VARIABLE): New macro.
6525         (MACHO_SYMBOL_FLAG_DEFINED): Likewise.
6526         (TARGET_STRIP_NAME_ENCODING): Do not use
6527         darwin_strip_name_encoding.
6528         (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Do not use
6529         darwin_strip_name_encoding.
6530         * config/i386/darwin.h (FUNCTION_PROFILER): Use
6531         machopic_mcount_stub_name.
6532         * config/i386/i386.c (x86_output_mi_thunk): Use
6533         machopic_indirection_name, not machopic_stub_name.
6534         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Use
6535         machopic_function_base_sym.
6536         (print_operand): Use machopic_classify_symbol.
6537         (rs6000_emit_prologue): Use machopic_function_base_sym.
6538         (output_profile_hook): Do not use machopic_stub_name.
6539         (macho_branch_isalnds): Do not use darwin_strip_name_encoding.
6540
6541 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
6542
6543         PR c/7284
6544         * fold-const.c (extract_muldiv_1): Do not treat signed left shift
6545         as multiplication.
6546
6547 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
6548
6549         * doc/implement-c.texi: New file.
6550         * doc/extend.texi (C Implementation): Move to there.
6551         * doc/gcc.texi: Include implement-c.texi.
6552         * Makefile.in (TEXI_GCC_FILES): Add implement-c.texi.
6553
6554 2004-07-22  Jason Merrill  <jason@redhat.com>
6555
6556         * integrate.c (copy_decl_for_inlining): Remove invisible reference
6557         handling.
6558         * tree-inline.c (setup_one_parameter): Likewise.
6559
6560 2004-07-22  Brian Booth  <bbooth@redhat.com>
6561
6562         * tree-ssa-ccp.c (latticevalue): Add UNKNOWN_VAL.
6563         (substitute_and_fold): Propigate into VUSE operands when possible.
6564         (visit_phi_node): Handle UNKNOWN_VAL latticevalue.
6565         (cp_lattice_meet): Handle merging of latticevalues when
6566         UNKNOWN_VAL is present.
6567         (visit_stmt): Visit assignments with V_MUST_DEFs.
6568         (visit_assignment): Gather ccp information for V_MUST_DEF operands.
6569         (ccp_fold): Deal with RHS' that are constant and virtual.
6570         (evaluate_stmt): Handle UNKNOWN_VAL likely values.
6571         (dump_lattice_value): Dump UNKNOWN_VAL latticevalues.
6572         (initialize): Mark statements with V_MUST_DEFs as VARYING only if the
6573         V_MUST_DEF operand is VARYING. Fix comment and include VOPS when
6574         computing immediate uses.
6575         (set_lattice_value): Disallow a UNKNOWN_VAL->UNDEFINED state
6576         transition.
6577         (replace_vuse_in): New function.
6578         (likely_value): Add check of vuse operands.
6579         (get_default_value): Set the default value of virtually defined
6580         variables to UKNOWN_VAL instead of VARYING.
6581
6582 2004-07-22  Richard Henderson  <rth@redhat.com>
6583
6584         * expr.c (emit_push_insn): Don't use set_mem_attributes.
6585
6586 2004-07-22  Richard Henderson  <rth@redhat.com>
6587
6588         * tree-ssa-live.c (create_ssa_var_map): Avoid defined-but-not-used
6589         variables due to conditional compilation.
6590
6591 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
6592
6593         * tree-into-ssa.c (set_livein_block): Fix typo in comment.
6594         (rewrite_ssa_into_ssa): Start iterating over SSA names at 1.
6595         Release SSA names that have been re-renamed.
6596         * tree-phinodes.c (make_phi_node): Set same TREE_TYPE as the
6597         variable.
6598         * tree-ssa-alias.c (init_alias_info): If aliases have been
6599         computed before, clear existing alias information.
6600         (create_name_tags): Do no fixup PT_ANYTHING pointers.
6601         If the new name tag for a pointer is different than the one it
6602         had before, mark the old tag for renaming.
6603         (replace_may_alias): New function.
6604         (group_aliases): Call it.
6605         (setup_pointers_and_addressables): Always call get_tmt_for.
6606         (maybe_create_global_var): Don't create .GLOBAL_VAR more than
6607         once.
6608         (set_pt_anything): New local function.
6609         (set_pt_malloc): New local function.
6610         (merge_pointed_to_info): Don't merge pointed-to variables from
6611         the original pointer if the destination is pointing to an
6612         unknown location.
6613         (add_pointed_to_expr): Call set_pt_anything and set_pt_malloc.
6614         (add_pointed_to_var): Do not add a variable to the points-to
6615         set if the pointer is already pointing to anywhere.
6616         (collect_points_to_info_r): If the defining statement is a PHI
6617         node, only merge pointed-to information if the argument has
6618         already been visited.
6619         (get_tmt_for): Only create a new tag if the pointer didn't
6620         have one already.
6621         (dump_alias_info): Emit more information.
6622         (dump_points_to_info_for): Likewise.
6623         * tree-ssa-dom.c (redirect_edges_and_update_ssa_graph): Don't
6624         try to get the annotation of an SSA_NAME.
6625         * tree-ssa-operands.c (add_stmt_operand): Only check for empty
6626         alias sets when checking is enabled.
6627         * tree-ssa-pre.c (need_eh_cleanup): New local variable.
6628         (eliminate): Mark basic blocks that will need
6629         EH information cleaned up.
6630         (init_pre): Split ENTRY_BLOCK->0 if block 0 has more than one
6631         predecessor.
6632         Initialize need_eh_cleanup.
6633         (fini_pre): Call tree_purge_all_dead_eh_edges and
6634         cleanup_tree_cfg if needed.
6635         Free need_eh_cleanup.
6636         * tree-ssa.c (verify_ssa_name): New function.
6637         (verify_def): Call it.
6638         Re-arrange to avoid printing too many error messages.
6639         (verify_use): Likewise.
6640         (verify_phi_args): Likewise.
6641         (verify_flow_insensitive_alias_info): New function.
6642         (verify_flow_sensitive_alias_info): New function.
6643         (verify_alias_info): New function.
6644         (verify_ssa): Call verify_alias_info.
6645         Clear TREE_VISITED on all the SSA_NAMEs before scanning the
6646         program.
6647         Re-arrange to avoid printing too many error messages.
6648         * tree-ssanames.c (make_ssa_name): Clear
6649         SSA_NAME_IN_FREE_LIST.
6650         (release_ssa_name): Never release a default definition.
6651         (release_defs): New function.
6652         * tree.h: Declare it.
6653         * tree-ssa-dce.c (remove_dead_stmt): Call it.
6654
6655 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
6656
6657         * tree-ssa.c (walk_use_def_chains_1): Add new argument IS_DFS.
6658         If true, do a depth-first search.  Do a breadht-first search,
6659         otherwise.
6660         (walk_use_def_chains): Add new argument IS_DFS.
6661         Update all users.
6662         * tree-flow.h (walk_use_def_chains): Update prototype.
6663
6664 2004-07-22  Hans-Peter Nilsson  <hp@axis.com>
6665
6666         * config/cris/cris.md: Tweak formatting.
6667         (asrandb, asrandw, lsrandb, lsrandw, moversideqi, movemsideqi)
6668         (mover2side, moverside, movemside, movei, op3, andu): Replace
6669         live define_peephole:s with define_peephole2 near-equivalents.
6670         Delete the rest.
6671         ("*mov_sidesisf_biap"): Rename from "*mov_sidesi_biap".  Match all
6672         word-size modes.
6673         ("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"):
6674         Similar for "*mov_sidesi", "*mov_sidesi_biap_mem" and
6675         "*mov_sidesi_mem" respectively.
6676
6677 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
6678
6679         * tree-cfg.c (gimplify_val): Move from tree-complex.c.
6680         (gimplify_build1): Move from tree-complex.c do_unop.
6681         (gimplify_build2): Move from tree-complex.c do_binop.
6682         (gimplify_build3): New.
6683         * tree-complex.c (gimplify_val, do_unop, do_binop): Remove.
6684         Adjust throughout to call the functions above.
6685         * tree-flow.h: Declare the functions above.
6686         * tree-nested.c (gimplify_val): Rename to...
6687         (tsi_gimplify_val): ... this.
6688
6689         * Makefile.in (tree_complex.o): Update dependencies.
6690         (stor-layout.o): Depend on regs.h.
6691         * c-common.c (handle_vector_size_attribute): Update for
6692         vector types without corresponding vector modes.
6693         * expr.c (expand_expr): Treat VECTOR_CST's like CONSTRUCTORS if
6694         a corresponding vector mode is not available.
6695         * print-tree.c (print_node): Print nunits for vector types
6696         * regclass.c (have_regs_of_mode): New.
6697         (init_reg_sets_1): Initialize it and use it instead
6698         of allocatable_regs_of_mode.
6699         * regs.h (have_regs_of_mode): Declare it.
6700         * stor-layout.c (layout_type): Pick a mode for vector types.
6701         * tree-complex.c (build_word_mode_vector_type, tree_vec_extract,
6702         build_replicated_const, do_unop, do_binop, do_plus_minus,
6703         do_negate, expand_vector_piecewise, expand_vector_parallel,
6704         expand_vector_addition, expand_vector_operations_1,
6705         expand_vector_operations, tree_lower_operations,
6706         pass_lower_vector_ssa, pass_pre_expand): New.
6707         (expand_complex_operations, pass_lower_complex): Remove.
6708         * tree-optimize.c (init_tree_optimization_passes): Adjust
6709         pass ordering for changes in tree-complex.c.
6710         * tree-pass.h: Declare new passes.
6711         * tree.c (finish_vector_type): Remove.
6712         (make_vector_type): New.
6713         (build_vector_type_for_mode, build_vector_type): Rewritten.
6714         * tree.def (VECTOR_TYPE): Document where the number of
6715         subparts is stored.
6716         * tree.h (TYPE_VECTOR_SUBPARTS): Use TYPE_PRECISION field.
6717         (make_vector): Remove declaration.
6718
6719 2004-07-21  Richard Henderson  <rth@redhat.com>
6720
6721         * gimple-low.c (expand_var_p): Don't look at TREE_ADDRESSABLE,
6722         TREE_THIS_VOLATILE, may_aliases, or optimization level.
6723         (remove_useless_vars): Dump debugging info.
6724         (expand_used_vars): Move ...
6725         * cfgexpand.c (expand_used_vars): ... here.  Make static.
6726         * tree-flow-inline.h (set_is_used): New.
6727         (set_default_def): Use get_var_ann.
6728         * tree-flow.h: Update decls.
6729         * tree-ssa-live.c (mark_all_vars_used_1, mark_all_vars_used): New.
6730         (create_ssa_var_map): Use it.
6731         * tree-ssa.c (set_is_used): Remove.
6732
6733 2004-07-22  Ben Elliston  <bje@au.ibm.com>
6734
6735         * gdbinit.in: Set a breakpoint on internal_error.
6736
6737 2004-07-21  Richard Henderson  <rth@redhat.com>
6738
6739         * cfgexpand.c (expand_gimple_tailcall): Fix case where we need
6740         to create a new basic block.
6741
6742 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
6743
6744         PR c/15052
6745         * c-decl.c (grokdeclarator): Only pedwarn for qualified void
6746         return type on function definitions.  Move other warnings for
6747         qualified return type to -Wreturn-type.  Do not condition any such
6748         warnings on -pedantic.  Update comments.
6749         (start_function): Only copy function type from previous prototype
6750         declaration if return types are compatible.
6751         * c-typeck.c (function_types_compatible_p): Don't condition
6752         warning for incompatibility of volatile qualifiers on the return
6753         type on -pedantic.  Update comment.
6754         * doc/invoke.texi (-Wreturn-type, -Wextra): Update.
6755
6756 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
6757
6758         * c-typeck.c (set_init_index): Require designator to be of integer
6759         type.
6760
6761 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
6762
6763         PR c/11250
6764         * c-parse.in (init): Change to exprtype.
6765         (primary): Set original_code for STRING to STRING_CST.
6766         Call maybe_warn_string_init for compound literals.
6767         (initdcl, notype_initdcl): Call maybe_warn_string_init.
6768         (initval): Update.
6769         * c-tree.h (maybe_warn_string_init): New.
6770         (pop_init_level, process_init_element): Use struct c_expr.
6771         (struct c_expr): Update comment.
6772         * c-typeck.c (maybe_warn_string_init): New function.
6773         (digest_init): Call it.  Additional parameter strict_string.  All
6774         callers changed.
6775         (output_init_element): Likewise.
6776         (struct constructor_stack): Use struct c_expr for
6777         replacement_value.
6778         (really_start_incremental_init, push_init_level): Update.
6779         (pop_init_level): Update.  Return struct c_expr.
6780         (process_init_level): Update.  Take struct c_expr argument.
6781
6782 2004-07-21  David S. Miller  <davem@nuts.davemloft.net>
6783
6784         * config/sparc/sparc.c (sparc_rtx_costs): Fix typo in previous
6785         commit.
6786
6787 2004-07-21  Eric Christopher  <echristo@redhat.com>
6788
6789         * builtins.c (expand_builtin_setjmp_receiver): Fix comment for code
6790         removal.
6791         * c-decl.c (pop_scope): Ditto.
6792         * calls.c (expand_call): Remove call to current_nesting_level,
6793         update comment accordingly. Remove calls to expand_start_target_temps
6794         and expand_end_target_temps.
6795         * cfgexpand.c (construct_init_block): Remove call to
6796         expand_start_bindings_and_block.
6797         (construct_exit_block): Remove call to expand_end_bindings.
6798         * expr.c (safe_from_p): Remove BIND_EXPR handling.
6799         (expand_expr_real_1): Ditto. Fix formatting.
6800         (expand_vars): Delete.
6801         * stmt.c (POPSTACK): Remove block_stack.
6802         (stmt_status): Remove x_block_stack.
6803         (block_stack): Delete.
6804         (expand_start_bindings_and_block): Ditto.
6805         (expand_start_target_temps): Ditto.
6806         (expand_end_target_temps): Ditto.
6807         (current_nesting_level): Ditto.
6808         (warn_about_unused_variables): Ditto.
6809         (expand_end_bindings): Ditto.
6810         * tree.h: Remove declarations for above.
6811
6812 2004-07-21  Steven Bosscher  <stevenb@suse.de>
6813
6814         * rtl.h (insn_note): Remove NOTE_INSN_PREDICTION.
6815         * rtl.c (note_insn_name): Likewise.
6816         * print-rtl.c (print_rtx): Don't print it.
6817         * cfgrtl.h (can_delete_note_p): Don't handle it.
6818         (rtl_delete_block): Likewise.
6819         * passes.c (rest_of_handle_guess_branch_prob): Remove.
6820         (rest_of_compilation): Don't call it.
6821         * predict.c (process_note_predictions, process_note_prediction,
6822         note_prediction_to_br_prob): Remove.
6823         * basic-block.c (note_prediction_to_br_prob): Remove prototype.
6824         * stmt.c (return_prediction): Remove.
6825         (expand_value_return): Don't call it.  Don't add prediction
6826         notes for return statements.
6827
6828 2004-07-21  Josef Zlomek  <zlomekj@suse.cz>
6829
6830         * var-tracking.c (vt_find_locations): Set the in_pending bitmap at
6831         once.
6832
6833 2004-07-21  Paolo Bonzini  <bonzini@gnu.org>
6834
6835         * c-common.c (vector_types_convertible_p): Use vector types'
6836         TYPE_SIZE and TREE_TYPE instead of their mode.
6837         * convert.c (convert_to_integer): Likewise.
6838         (convert_to_vector): Likewise.
6839         * fold-const.c (fold_convert): Likewise.
6840         * varasm.c (output_constant): Likewise.
6841         * expr.c (store_constructor): Split ARRAY_TYPE and VECTOR_TYPE.
6842         Allow a VECTOR_TYPE initializer to be made of several vectors.
6843         For ARRAY_TYPEs and VECTOR_TYPES, simplify a bit the handling
6844         of cleared and need_to_clear, and use fold_convert.
6845         * c-typeck.c (build_binary_op): Do not use RDIV_EXPR for
6846         integer vectors.
6847
6848 2004-07-20  Richard Henderson  <rth@redhat.com>
6849
6850         * cfgexpand.c (expand_gimple_cond_expr, expand_gimple_tailcall): Split,
6851         (expand_gimple_basic_block): out from here.  Renamed from expand_block.
6852
6853 2004-07-20  David S. Miller  <davem@nuts.davemloft.net>
6854
6855         * config/sparc/sparc.c (sparc_rtx_costs case MULT): Emit
6856         enormous cost if not TARGET_HARD_MUL.
6857
6858 2004-07-20  Andrew Pinski  <apinski@apple.com>
6859
6860         PR target/16557
6861         * config/i386/darwin.h (CC1_SPEC): Move the -g SPECs from ...
6862         (ASM_SPEC): here.
6863
6864 2004-07-21  Paul brook  <paul@codesourcery.com>
6865
6866         * config/arm/arm.c (thumb_expand_prologue): Remove bogus GEN_INT.
6867
6868 2004-07-20  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6869
6870         * fold-const.c (operand_equal_p): Temporarily support NULL args.
6871         (operand_equal_p, case ARRAY_REF): Compare args 2 and 3.
6872         (operand_equal_p, case COMPONENT_REF): Likewise, for arg 2.
6873
6874 2004-07-20  Zack Weinberg  <zack@codesourcery.com>
6875
6876         * rtl.h (plus_constant): Delete.
6877         (plus_constant_wide): Rename to plus_constant.
6878         (plus_constant_for_output_wide): Delete vestigial prototype.
6879         (GEN_INT): Remove unnecessary cast.
6880         * tree.h (build_int_2, size_int_type): Delete.
6881         (build_int_2_wide): Rename to build_int_2.
6882         (size_int_wide): Rename to size_int_kind.
6883         (size_int_type_wide): Rename to size_int_type.
6884         (size_int, ssize_int, bitsize_int, sbitsize_int): Use size_int_kind.
6885         Remove unnecessary cast.
6886         * tree.c (build_int_2_wide): Rename build_int_2; update comment.
6887         * explow.c (plus_constant_wide): Rename plus_constant; update comment.
6888         * fold-const.c (size_int_wide): Rename size_int_kind. Use size_int_type.
6889         (size_int_type_wide): Rename size_int_type.
6890         (int_const_binop): Use size_int_type.
6891         * c-lex.c (interpret_integer): Use build_int_2.
6892         * final.c (split_double): Remove unnecessary casts.
6893         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use build_int_2.
6894
6895 2004-07-20  Richard Henderson  <rth@redhat.com>
6896
6897         * gimplify.c (is_gimple_tmp_var): Move to tree-gimple.c.
6898         (gimplify_compound_lval): Use is_gimple_tmp_reg.
6899         * tree-gimple.c (is_gimple_tmp_var): Move from gimplify.c.
6900         (is_gimple_tmp_reg): New.
6901         * tree-gimple.h (is_gimple_tmp_reg): Declare.
6902
6903 2004-07-20  Richard Henderson  <rth@redhat.com>
6904
6905         * tree-pretty-print.c (dump_generic_node): Dump
6906         CALL_EXPR_HAS_RETURN_SLOT_ADDR.
6907
6908 2004-07-20  Frank Ch. Eigler  <fche@redhat.com>
6909
6910         * tree-mudflap.c (mf_set_options_fndecl): New tree.
6911         (mudflap_init): Set it.
6912         (mudflap_register_call): Remove __mf_init call.
6913         (mudflap_finish_file): Emit call to __mf_init here.  Emit a call to
6914         to pass "-ignore-reads" option to libmudflap if needed.
6915
6916 2004-07-20  John David Anglin  <dava.anglin@nrc-cnrc.gc.ca>
6917
6918         PR c++/14607
6919         * config/pa/pa-hpux10.h (SUPPORTS_ONE_ONLY): Define.
6920         (MAKE_DECL_ONE_ONLY): Undefine.
6921         * pa-protos.h (som_text_section_asm_op, one_only_readonly_data_section,
6922         readonly_data, one_only_data_section, forget_section): New prototypes.
6923         * pa.c (pa_init_machine_status, som_text_section_asm_op): New
6924         functions.
6925         (pa_select_section): Add one-only (COMDAT) support.
6926         * pa.h (struct machine_function): Define.
6927         * som.h (ASM_OUTPUT_FUNCTION_PREFIX): Delete.
6928         (TEXT_SECTION_ASM_OP): Call som_text_section_asm_op.
6929         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
6930         ONE_ONLY_TEXT_SECTION_ASM_OP, ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
6931         ONE_ONLY_DATA_SECTION_ASM_OP): New defines.
6932         (EXTRA_SECTIONS): Add in_one_only_readonly_data and in_one_only_data.
6933         (EXTRA_SECTION_FUNCTIONS): Rework to use individual function macros.
6934         (READONLY_DATA_FUNCTION, ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
6935         ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): New defines
6936         for EXTRA_SECTION_FUNCTIONS.
6937         * doc/install.texi: Update binutils requirements.
6938
6939 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
6940
6941         * vec.h (VEC_T_length, VEC_T_index, VEC_T_iterate, VEC_T_truncate,
6942         VEC_T_replace, VEC_T_quick_insert, VEC_T_safe_insert,
6943         VEC_T_ordered_remove, VEC_T_unordered_remove): Use unsigned, not
6944         size_t.
6945         (struct VEC): Use unsigned for num and alloc.
6946         * vec.c (struct vec_prefix): Likewise.
6947         (vec_o_reserve): Adjust.
6948
6949         * dbxout.c (dbxout_type): Fix printf format.
6950
6951         * tree.h (binfo_member): Remove.
6952         * tree.c (binfo_member): Remove.
6953
6954 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
6955
6956         * tree.h: Include vec.h
6957         (DEF_VEC_P(tree)): New type.
6958         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): Adjust.
6959         (BINFO_BASE_APPEND, BINFO_BASE_ITERATE): New.
6960         (BINFO_LANG_SLOT): Remove.
6961         (BINFO_SUBVTT_INDEX, BINFO_VPTR_INDEX, BINFO_PRIMARY_BASE_OF): New.
6962         (struct tree_binfo): Turn base_binfos into a trailing
6963         VEC(tree). Add vtt_subvtt, vtt_vptr, primary fields.
6964         (binfo_lang_slots): Remove.
6965         * tree.c (binfo_lang_slots): Remove.
6966         (make_tree_binfo_stat): Take a base binfo count, not a
6967         lang slot count.  Adjust.
6968         * Makefile.in (TREE_H): Add vec.h
6969         * alias.c (record_component_aliases): Adjust BINFO access.
6970         * dbxout.c (dbxout_type): Likewise.
6971         * dwarf2out.c (gen_member_die): Likewise.
6972         * sdbout.c (sdbout_one_type): Likewise.
6973         * tree-dump.c (deque_and_dump): Likewise.
6974         * config/i386/i386.c (classify_argument,
6975         contains_128bit_aligned_vector_p): Likewise.
6976         * config/sh/symbian.c (symbian_export_vtable_and_rtti_p): Likewise.
6977         * doc/c-tree.texi (Classes): Update BINFO documentation.
6978
6979 2004-07-20  Steven Bosscher  <stevenb@suse.de>
6980
6981         * c-common.h (check_case_value): Remove prototype.
6982         (c_add_case_label): Adjust prototype.
6983         * c-common.c (check_case_value): Make static.
6984         (check_case_bounds): New function.
6985         (c_add_case_label): Use it.  Take new argument orig_type.
6986         * c-typeck.c (struct c_switch): New orig_type field.
6987         (c_start_case): Set it.
6988         (do_case): Pass it to c_add_case_label.
6989         * expr.c (expand_expr_real_1): Don't warn for out-of-bounds
6990         cases from here.  Add the labels in reverse order.
6991         * stmt.c (struct case_node): Adjust comment.  Remove balance field.
6992         (add_case_node): Return nothing, don't check for duplicate cases.
6993         Insert new case nodes in a list, not in an AVL tree.
6994         (expand_end_case_type): Don't turn a case tree into a case list.
6995         (case_tree2list): Remove.
6996         * tree.h (add_case_node): Adjust prototype.
6997
6998 2004-07-19  Paolo Bonzini  <bonzini@gnu.org>
6999
7000         * genattr.c (struct range, struct function_unit,
7001         write_units, extend_range, init_range): Remove them.
7002         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
7003         Output "#define INSN_SCHEDULING" here.
7004         * genattrtab.c (struct range, struct function_unit_op,
7005         struct function_unit, struct dimension, enum operator,
7006         operate_exp, expand_units, simplify_knowing,
7007         encode_units_mask, simplify_by_exploding,
7008         find_and_mark_used_attributes, unmark_used_attributes,
7009         add_values_to_cover, increment_current_value,
7010         test_for_current_value, simplify_with_current_value,
7011         simplify_with_current_value_aux, gen_unit,
7012         write_unit_name, write_function_unit_info,
7013         write_complex_function, write_toplevel_expr,
7014         find_single_value, extend_range): Remove.
7015         (write_attr_get): Do not handle common_av->value
7016         being an FFS.
7017         (struct attr_desc): Remove func_units_p and blockage_p.
7018         (write_attr_valueq): Do not handle them.
7019         (find_attr): Do not clear them.
7020         (make_internal_attr): Do not initialize them.
7021         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
7022         * sched-vis.c (init_target_units, insn_print_units,
7023         init_block_visualization, print_block_visualization,
7024         visualize_scheduled_insns, visualize_no_unit,
7025         visualize_stall_cycles, visualize_alloc,
7026         visualize_free, target_units, get_visual_tbl_length,
7027         MAX_VISUAL_LINES, INSN_LEN, n_visual_lines,
7028         visual_tbl_line_length, visual_tbl, n_vis_no_unit,
7029         MAX_VISUAL_NO_UNIT, vis_no_unit): Remove.
7030         * haifa-sched.c (blockage_range, clear_units,
7031         schedule_unit, actual_hazard, potential_hazard,
7032         insn_unit, unit_last_insn, unit_tick,
7033         actual_hazard_this_instance, potential_hazard,
7034         schedule_unit, max_insn_queue_index_value): Remove.
7035         (MAX_INSN_QUEUE_INDEX): Removed, renamed throughout to
7036         max_insn_queue_index.
7037         * rtl.def (DEFINE_FUNCTION_UNIT): Remove.
7038         * doc/md.texi (Processor pipeline description): Remove
7039         references to old pipeline descriptions.
7040         (Automaton pipeline description): Merge with the above.
7041         (Old pipeline description, Comparison of the two descriptions):
7042         Remove.
7043
7044         * bt-load.c (migrate_btr_def): Remove references to
7045         use_pipeline_interface.
7046         * haifa-sched.c (insn_cost, schedule_insn,
7047         schedule_block, advance_one_cycle, sched_init,
7048         queue_to_ready, sched_finish): Likewise.
7049         * modulo-sched.c (sms_schedule, advance_one_cycle,
7050         ps_has_conflicts): Likewise.
7051         * sched-rgn.c (init_ready): Likewise.
7052         (debug_dependencies): Likewise, and remove an "if (1)".
7053         * target.h (use_dfa_pipeline_interface): Remove.
7054         * config/alpha/alpha.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7055         * config/arc/arc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7056         * config/arm/arm.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7057         * config/c4x/c4x.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7058         * config/frv/frv.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7059         * config/i386/i386.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7060         * config/ia64/ia64.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7061         * config/iq2000/iq2000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7062         * config/m32r/m32r.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7063         * config/mcore/mcore.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7064         * config/mips/mips.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7065         * config/pa/pa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7066         * config/rs6000/rs6000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7067         * config/s390/s390.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7068         * config/sh/sh.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7069         * config/sparc/sparc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7070         * config/v850/v850.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7071         * config/xtensa/xtensa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7072         * doc/tm.texi (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7073
7074 2004-07-19  Roger Sayle  <roger@eyesopen.com>
7075
7076         * rtlanal.c (reg_set_p): Add check for regs_invalidated_by_call.
7077
7078 2004-07-19  Jeff Law  <law@redhat.com>
7079
7080         * tree-ssa-dom.c (single_incoming_edge_ignoring_loop_edges): New.
7081         (get_eq_expr_value): Use it.  Simplify slightly.
7082
7083 2004-07-19  Maciej W. Rozycki  <macro@linux-mips.org>
7084
7085         * config/mips/mips.md (mulsidi3_32bit_r4000): Fix the clobber list.
7086         (umulsidi3_32bit_r4000): Likewise.
7087
7088 2004-07-19  Nathan Sidwell  <nathan@codesourcery.com>
7089
7090         * vec.h: Propagate location information properly.
7091         (VEC_T_iterate): Add result pointer parameter.
7092         (VEC_T_space): New.
7093         (VEC_T_reserve): Use it.
7094
7095 2004-07-19  Daniel Jacobowitz  <dan@debian.org>
7096
7097         * Makefile.in (c-format.o): Depend on c-format.h.
7098         * c-format.h: New file.
7099         (struct format_char_info): Add CHAIN member.
7100         * c-format.c: Move some types and constants to c-format.h.
7101         (format_type_error): Set to -1.
7102         (struct function_format_info): Use an int for format_type.
7103         (decode_format_type): Return an int.  Return format_type_error
7104         on error.
7105         (print_char_table, asm_fprintf_char_table, gcc_diag_char_table)
7106         (gcc_diag_char_table, gcc_cdiag_char_table, gcc_cxxdiag_char_table)
7107         (scan_char_table, time_char_table, monetary_char_table): Initialize
7108         CHAIN to NULL.
7109         (n_format_types): New variable.
7110         (check_format_info_main): Handle CHAIN in format_char_info.
7111         (handle_format_attribute): Handle TARGET_FORMAT_TYPES and
7112         TARGET_N_FORMAT_TYPES.
7113         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
7114         (sparc-*-solaris2*): Include config/t-sol2 and config/sol2-c.c.
7115         * config/sol2-c.c: New file.
7116         * config/t-sol2: New file.
7117         * config/sol2.h (TARGET_N_FORMAT_TYPES, TARGET_FORMAT_TYPES): Define.
7118         * config/sparc/elf.h, config/sparc/sp64-elf.h: Undefine
7119         TARGET_N_FORMAT_TYPES and TARGET_FORMAT_TYPES.
7120
7121         * doc/extend.texi (Target Format Checks): New section.
7122         (Function Attributes): Mention it.
7123         * doc/invoke.texi: Mention target format checks.
7124         * doc/sourcebuild.texi: Mention target format checks.
7125         * dc/tm.texi (Misc): Document TARGET_N_FORMAT_TYPES and
7126         TARGET_FORMAT_TYPES.
7127
7128 2004-07-19  Andreas Krebbel  <krebbel1@de.ibm.com>
7129
7130         * config/s390/s390-protos.h (s390_return_address_offset): Prototype
7131         added.
7132         * config/s390/s390.c (regclass_map initializer): Register 35 added to
7133         ADDR_REGS.
7134         (load_multiple_operation, store_multiple_operation): Removed
7135         pointless sanity check.
7136         (s390_decompose_address): Added check for return_address_pointer_rtx.
7137         (s390_return_addr_rtx): Use return_address_pointer_rtx for count == 0.
7138         (s390_return_address_offset): New function.
7139         * config/s390/s390.h (FIRST_PSEUDO_REGISTER): Increased to 36.
7140         (FRAME_REGNO_P): Added check for register 35.
7141         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS,
7142         REG_ALLOC_ORDER): Appended entry for register 35.
7143         (REG_CLASS_CONTENTS): Adjusted class masks for register 35.
7144         (EH_RETURN_HANDLER_RTX): Use return_address_pointer_rtx.
7145         (RETURN_ADDRESS_POINTER_REGNUM): New macro.
7146         (ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET): Return address pointer
7147         is eliminable using stack pointer or hard frame pointer.
7148         (REGISTER_NAMES): Added name for register 35.
7149         * config/s390/s390.md ("load_multiple", "store_multiple"): Removed
7150         pointless sanity check.
7151
7152 2004-07-19  Roger Sayle  <roger@eyesopen.com>
7153
7154         * fold-const.c (tree_expr_nonzero_p): Add function prototype.
7155         (fold) <EQ_EXPR>: Move tree_expr_nonzero_p optimization from
7156         fold_relational_const to here, i.e. "(x | 5) == 0" -> false.
7157         (fold) (UNEQ_EXPR>: Add optimizations for unordered comparisons
7158         of the form "x op x" where op is UNLE, UNGE, UNEQ or LTGT.
7159         (fold_relational_const): Tidy up handling of floating point
7160         comparisons by calling real_compare.  Remove tree_expr_nonzero_p
7161         transformation; fold_relational_const assumes constant operands.
7162
7163 2004-07-19  Gabriel Dos Reis  <gdr@integrable-solution.net>
7164
7165         * doc/sourcebuild.texi: Add libcpp, now that CPP has its own
7166         directory.
7167
7168 2004-07-19  Joseph S. Myers  <jsm@polyomino.org.uk>
7169
7170         * c-tree.h (struct c_expr): Define.
7171         (C_SET_EXP_ORIGINAL_CODE): Remove.
7172         (parser_build_binary_op, build_compound_expr): Update prototypes.
7173         * c-parse.in (%union): Add exprtype.
7174         (FUNC_NAME): Mark as ttype.
7175         (expr, expr_no_commas, cast_expr, unary_expr, primary): Change to
7176         exprtype.
7177         (expr): Update.  Define directly in terms of expr_no_commas
7178         instead of using nonnull_exprlist.
7179         (nonnull_exprlist, unary_expr, cast_expr, expr_no_commas, primary,
7180         offsetof_member_designator, typespec_nonreserved_nonattr, init,
7181         initval, designator, component_declarator,
7182         component_notype_declarator, enumerator, array_declarator,
7183         condition, exexpr, switch_statement, stmt_nocomp, stmt,
7184         nonnull_asm_operands, ivar_declarator, receiver): Update.  Don't
7185         set C_EXP_ORIGINAL_CODE.  Use TREE_NO_WARNING for assignments
7186         where appropriate.
7187         * c-common.h (C_EXP_ORIGINAL_CODE): Remove.
7188         * c-common.c (c_common_truthvalue_conversion): Don't check
7189         C_EXP_ORIGINAL_CODE.
7190         * c-typeck.c (parser_build_binary_op): Use c_expr structures.
7191         Don't use C_EXP_ORIGINAL_CODE.
7192         (default_conversion, default_function_array_conversion): Don't use
7193         C_EXP_ORIGINAL_CODE.  Preserve TREE_NO_WARNING.
7194         (internal_build_compound_expr): Merge into build_compound_expr.
7195         (build_compound_expr): Take two operands instead of a TREE_LIST.
7196         * objc/objc-act.c (get_super_receiver): Update calls to
7197         build_compound_expr.
7198
7199 2004-07-18  Paolo Bonzini  <bonzini@gnu.org>
7200
7201         * config/sh/sh.c (sh_use_dfa_interface): Remove.
7202         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Set to
7203         hook_int_void_1.
7204         * config/sh/sh.md: Extract pipeline descriptions
7205         into separate files.
7206         * config/sh/sh1.md: New file, extracted from sh.md.
7207         * config/sh/sh4.md: New file, extracted from sh.md.
7208         * config/sh/shmedia.md: New file, extracted from sh.md
7209         and rewritten using new-style pipeline description.
7210
7211 2004-07-18  Zack Weinberg  <zack@codesourcery.com>
7212
7213         * config/pa/pa.md: Delete the two remaining define_peephole
7214         patterns.
7215
7216 2004-07-18  Steven Bosscher  <stevenb@suse.de>
7217             Joseph S. Myers  <jsm@polyomino.org.uk>
7218
7219         * c-common.c (c_common_truthvalue_conversion): Don't warn if
7220         TREE_NO_WARNING is set.
7221
7222 2004-07-18  Roger Sayle  <roger@eyesopen.com>
7223
7224         * builtins.c (simplify_builtin_memcmp, simplify_builtin_strcmp,
7225         simplify_builtin_strncmp): Delete.
7226         (fold_builtin_memcmp, fold_builtin_strcmp, fold_builtin_strncmp):
7227         Change argument to accept an arglist instead of an "exp".  Assume
7228         that the return type is always integer_type_node.  Copy missing
7229         transformations from their now obsolete simplify_builtin_*
7230         equivalents.
7231         (fold_builtin_1): Pass arglist instead of exp to fold_builtin_memcmp,
7232         fold_builtin_strcmp and fold_builtin_strncmp.
7233         (simplify_builtin): Call fold_builtin_memcmp, fold_builtin_strcmp
7234         and fold_builtin_strncmp instead of simplify_builtin_memcmp,
7235         simplify_builtin_strcmp and simplify_builtin_strncmp respectively.
7236
7237 2004-07-18  Daniel Jacobowitz  <dan@debian.org>
7238
7239         * Makefile.in (tree-alias-common.o): Update dependencies.
7240
7241 2004-07-17  Sebastian Pop  <pop@cri.ensmp.fr>
7242
7243         * cfgloop.c (flow_loop_nested_p): Fix comment.
7244
7245 2004-07-17  Jason Merrill  <jason@redhat.com>
7246
7247         PR c++/16115
7248         * stor-layout.c (relayout_decl): New fn.
7249         * tree.h: Declare it.
7250         (DECL_BY_REFERENCE): New macro.
7251
7252 2004-07-17  Eric Botcazou  <ebotcazou@act-europe.fr>
7253
7254         * libgcc2.c (__enable_execute_stack): New symbol.
7255         * libgcc-std.ver (GCC_3.4.2): New version.  Inherit from GCC_3.4
7256         and declare __enable_execute_stack.
7257         * mklibgcc.in (lib2funcs): Add _enable_execute_stack.
7258         * config/netbsd.h (NETBSD_ENABLE_EXECUTE_STACK): ANSIfy.
7259         * config/sol2.h (TRANSFER_FROM_TRAMPOLINE): Rename into
7260         ENABLE_EXECUTE_STACK.
7261         * config/alpha/alpha.c (alpha_initialize_trampoline): Conditionalize
7262         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
7263         * config/alpha/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Rename into
7264         ENABLE_EXECUTE_STACK.
7265         * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
7266         * config/i386/i386.c (x86_initialize_trampoline): Conditionalize
7267         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
7268         * config/i386/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Rename into
7269         ENABLE_EXECUTE_STACK.
7270         * config/i386/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
7271         * config/i386/netbsd64.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
7272         * config/sparc/freebsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
7273         * config/sparc/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
7274         * config/sparc/sparc.c (sparc_initialize_trampoline): Conditionalize
7275         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
7276         (sparc64_initialize_trampoline): Likewise.
7277         * doc/tm.texi (trampolines): Add ENABLE_EXECUTE_STACK macro.
7278
7279 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
7280
7281         * langhooks.h (builtin_function): New langhook.
7282         * langhooks-def.h (LANG_HOOKS_BUILTIN_FUNCTION): New.
7283         (LANG_HOOKS_INITIALIZER): Update.
7284         * tree.h (builtin_function): Remove.
7285         * doc/tm.texi: Update.
7286         * c-tree.h (builtin_function): Declare.
7287         * c-common.c, config/alpha/alpha.c, config/arm/arm.c,
7288         config/c4x/c4x.c, config/frv/frv.c, config/i386/i386.c,
7289         config/ia64/ia64.c, config/iq2000/iq2000.c,
7290         config/rs6000/rs6000.c, config/s390/s390.c, config/sh/sh.c,
7291         config/stormy16/stormy16.c: All callers of builtin_function
7292         changed.
7293
7294 2004-07-17  Andrew Pinski  <pinskia@physics.uc.edu>
7295
7296         PR target/16556
7297         * config/i386/darwin.h (UNLIKELY_EXECUTED_TEXT_SECTION_NAME):
7298         Remove white space after the backslash.
7299
7300 2004-07-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
7301
7302         PR rtl-optimization/16294
7303         * resource.c (return_insn_p): New predicate.
7304         (mark_target_live_regs): Use it.  Special-case return insns.
7305         (init_resource_info): Use it.  Don't scan the epilogue past
7306         a return.
7307
7308 2004-07-17  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
7309
7310         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Do not
7311         destroy dominance information.
7312         * passes.c (rest_of_handle_loop2):  Free dominance information.
7313         * tree-cfg.c (cleanup_tree_cfg): Remove unreachable blocks before
7314         jump threading.
7315         (thread_jumps): Update dominance information and remove unreachable
7316         blocks.
7317         * tree-ssa-phiopt.c (replace_phi_with_stmt):  Update dominance
7318         information and remove the unreachable block.
7319
7320 2004-07-17  Graham Stott  <graham.stott@btinternet.com>
7321
7322         * emit-rtl.c (reorder_insns): Don't set BB for a BARRIER insn.
7323
7324 2004-07-17  Toon Moene  <toon@moene.indiv.nluug.nl>
7325
7326         * doc/sourcebuild.texi: Remove libf2c entry.
7327
7328 2004-07-17  Paolo Bonzini  <bonzini@gnu.org>
7329
7330         * config/i386/i386.md (movv16qi_internal): Fix typo.
7331
7332 2004-07-17  Steven Bosscher  <stevenb@suse.de>
7333
7334         * final.c (final_scan_insn): Fix broken commit from previous
7335         patch.
7336
7337 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
7338
7339         * c-typeck.c (parser_build_binary_op): Condition warnings for
7340         X<=Y<=Z on -Wparentheses instead of -Wextra.
7341         * doc/invoke.texi: Update.  Document that most of -Wparentheses is
7342         supported for C only.
7343
7344 2004-07-17  Steven Bosscher  <stevenb@suse.de>
7345
7346         * cfgcleanup.c (try_simplify_condjump): Don't remove line
7347         notes to avoid unreachable code warnings.
7348         * toplev.c (backend_init): Don't emit line notes for
7349         unreachable code warnings.
7350
7351         * combine.c (distribute_notes): Don't distribute a
7352         REG_VTABLE_REF note.
7353         * final.c (final_scan_insn): Don't handle it.
7354         * rtl.c (reg_note_name): Remove it.
7355         * rtl.h (enum reg_node): Dito.
7356
7357         * emit-rtl.c (force_line_numbers, restore_line_number_status):
7358         Remove.
7359         * rtl.h (force_line_numbers, restore_line_number_status):
7360         Remove prototypes.
7361
7362         * stmt.c (using_eh_for_cleanups_p, using_eh_for_cleanups): Move...
7363         * tree-eh.c (using_eh_for_cleanups_p): ...here.  Make static.
7364         (using_eh_for_cleanups): Also moved here.
7365
7366         * expr.c (expand_expr_real_1) <CASE_LABEL_EXPR>: Die if we see one.
7367         <SWITCH_EXPR>: Die if we have a non-NULL SWITCH_BODY.  Update calls
7368         to expand_start_case and add_case_node.
7369         * stmt.c (struct nesting): Cleanup unused fields condition_code,
7370         last_unconditional_cleanup, nominal_type, printname, and
7371         line_number_status.
7372         (struct fixup_goto): Remove.
7373         (struct stmt_status): Remove x_goto_fixup_chain field.
7374         (goto_fixup_chain): Remove.
7375         (strip_default_case_nodes, group_case_nodes, emit_jump_if_reachable,
7376         pushcase, pushcase_range): Remove.
7377         (expand_start_bindings_and_block): Don't set unused fields in
7378         the nesting stack.
7379         (expand_start_case, add_case_node): Cleanup unused formal arguments.
7380         (expand_end_case_type): Don't simplify the case-list.  Use emit_jump
7381         instead of emit_jump_if_reachable.
7382         (emit_case_nodes): Likewise.
7383         * tree-cfg.c (group_case_labels, cleanup_dead_labels): No longer
7384         static.
7385         (update_eh_label): Work around left-over exception handing regions.
7386         * tree-flow.h (group_case_labels, cleanup_dead_labels): Add protos.
7387         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): New function.
7388         (pass_cleanup_cfg_post_optimizing): New pass.
7389         (init_tree_optimization_passes): Run the new pass after all
7390         optimizations.
7391         * tree.h (pushcase, pushcase_range): Remove prototypes.
7392         (expand_start_case, add_case_node): Update prototypes.
7393
7394 2004-07-16  Krister Walfridsson  <cato@df.lth.se>
7395
7396         * tree-inline.c (estimate_num_insns_1): Correct increase of count.
7397
7398 2004-07-16  Richard Henderson  <rth@redhat.com>
7399
7400         * builtins.c (std_expand_builtin_va_arg): Remove.
7401         (expand_builtin_va_arg): Remove.
7402         * expr.h: Don't declare them.
7403         * gimplify.c (mark_decls_volatile_r): Remove.
7404         (copy_if_shared_r): Don't call it.
7405         * target-def.h: Don't test EXPAND_BUILTIN_VA_ARG.
7406         * expr.c (expand_expr_real_1): Don't handle VA_ARG_EXPR.
7407         * gimple-low.c (lower_stmt): Likewise.
7408         * tree-cfg.c (cfg_remove_useless_stmts_bb): Likewise.
7409         * tree-gimple.c (is_gimple_tmp_rhs, is_gimple_stmt): Likewise.
7410         * tree-ssa-operands.c (get_expr_operands): Likewise.
7411         * doc/tm.texi (TARGET_GIMPLIFY_VA_ARG_EXPR): Don't mention
7412         EXPAND_BUILTIN_VA_ARG.
7413         * system.h (EXPAND_BUILTIN_VA_ARG): Poison.
7414         * config/alpha/alpha.h, config/alpha/unicosmk.h, config/i386/i386.h,
7415         config/ia64/ia64.h, config/rs6000/rs6000.h, config/s390/s390.h,
7416         config/sparc/sparc.h (EXPAND_BUILTIN_VA_ARG): Remove.
7417
7418 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
7419
7420         * tree-ssa-pre.c (insert_aux): Break out if we hit
7421         a critical edge.
7422
7423 2004-07-16  Richard Henderson  <rth@redhat.com>
7424
7425         * basic-block.h (remove_fake_exit_edges): Declare.
7426         * cfganal.c (remove_fake_predecessors): Rename from
7427         remove_fake_successors; iterate over predecessors.
7428         (remove_fake_exit_edges): New.
7429         * cfgcleanup.c (try_optimize_cfg): Use it.
7430         * gcse.c (one_pre_gcse_pass, store_motion): Likewise.
7431         * predict.c (estimate_probability): Likewise.
7432         (tree_estimate_probability, note_prediction_to_br_prob): Likewise.
7433         * tree-cfg.c (make_edges): Likewise.
7434         * tree-ssa-pre.c (fini_pre): Likewise.
7435         * profile.c (instrument_edges): Don't remove_fake_edges.
7436         (branch_prob): Do it earlier here.
7437
7438 2004-07-16  Richard Henderson  <rth@redhat.com>
7439
7440         * tree-ssa-operands.c (get_expr_operands): Fix 2004-07-15
7441         switchification wrt CONSTRUCTOR.  Document the reason.
7442
7443 2004-07-16  Frank Ch. Eigler  <fche@redhat.com>
7444
7445         * tree-mudflap.c (mf_file_function_line_tree): Correct typo
7446         that prevented descriptive __mf_check source location strings.
7447
7448 2004-07-16  Richard Henderson  <rth@redhat.com>
7449
7450         * tree-def (WITH_SIZE_EXPR): New.
7451         * explow.c (expr_size, int_expr_size): Handle WITH_SIZE_EXPR.
7452         * expr.c (expand_expr_real_1): Likewise.
7453         * gimplify.c (maybe_with_size_expr): New.
7454         (gimplify_arg, gimplify_modify_expr): Use it.
7455         (gimplify_modify_expr_to_memcpy): Take size parameter.
7456         (gimplify_modify_expr_to_memset): Likewise.
7457         (gimplify_expr): Handle WITH_SIZE_EXPR.
7458         * tree-alias-common.c (find_func_aliases): Likewise.
7459         * tree-eh.c (tree_could_trap_p): Likewise.
7460         (tree_could_throw_p): Likewise.
7461         * tree-gimple.c (is_gimple_lvalue): Likewise.
7462         (get_call_expr_in): Likewise.
7463         * tree-inline.c (estimate_num_insns_1): Likewise.
7464         (expand_calls_inline): Likewise.
7465         * tree-nested.c (convert_call_expr): Likewise.
7466         * tree-pretty-print.c (dump_generic_node): Likewise.
7467         * tree-sra.c (sra_walk_expr): Likewise.
7468         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
7469         * tree-ssa-ccp.c (get_rhs, set_rhs): Likewise.
7470         * tree-ssa-operands.c (get_expr_operands): Likewise.
7471         * tree-tailcall.c (find_tail_calls): Likewise.
7472
7473         * calls.c (expand_call): Reset old_stack_allocated after
7474         calling emit_stack_restore.
7475
7476 2004-07-16  Richard Henderson  <rth@redhat.com>
7477
7478         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_COPY_RES_DECL_FOR_INLINING,
7479         lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
7480         * langhooks.c (lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
7481         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
7482         copy_res_decl_for_inlining.
7483
7484         * tree-inline.c (declare_return_variable): New modify_dest argument.
7485         Use it as the return value, when possible or manditory.  Handle
7486         TREE_ADDRESSABLE types.
7487         (expand_call_inline): Extract MODIFY_EXPR lhs for call.  Simplify
7488         replacement of CALL_EXPR.
7489
7490 2004-07-16  Richard Henderson  <rth@redhat.com>
7491
7492         * tree-flow.h (struct var_ann_d): Remove has_hidden_use.
7493         * gimple-low.c (expand_var_p): Don't check it.
7494         * tree-ssa-alias.c (setup_pointers_and_addressables): Likewise.
7495         * tree-ssa-copyrename.c (rename_ssa_copies): Likewise.
7496         * tree-ssa-operands.c (add_stmt_operand): Likewise.
7497         * tree-dfa.c (find_hidden_use_vars, find_hidden_use_vars_r): Kill.
7498         (find_referenced_vars): Don't call them.
7499         * tree-flow-inline.h (has_hidden_use, set_has_hidden_use): Kill.
7500
7501 2004-07-16  Richard Henderson  <rth@redhat.com>
7502
7503         * function.c (pass_by_reference): True for all variable sized types.
7504
7505 2004-07-16  Sebastian Pop  <pop@cri.ensmp.fr>
7506
7507         * Makefile.in (tree-pretty-print.o): Depend on tree-chrec.h.
7508         * tree-pretty-print.c: Include tree-chrec.h.
7509         (dump_generic_node): Pretty print SCEV_KNOWN, SCEV_NOT_KNOWN
7510         and POLYNOMIAL_CHREC nodes.
7511
7512 2004-07-16  Steve Ellcey  <sje@cup.hp.com>
7513
7514         * builtins.c (expand_builtin_stpcpy): Do not create temporary
7515         reg with VOIDmode.
7516
7517 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
7518
7519         * config/rs6000/eabi.asm (__eabi_convert): Fix typo (cmpi vs. cmpwi).
7520
7521 2004-07-16  Andreas Krebbel  <krebbel1@de.ibm.com>
7522
7523         * config/s390/s390.md: Changed every occurence of BASE_REGISTER
7524         to BASE_REGNUM.
7525         * config/s390/s390.c: Likewise.
7526         * config/s390/s390.h: Likewise.
7527
7528 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
7529
7530         * config/mips/mips.md (addsi3, adddi3): Remove special handling
7531         of $sp adds.  Remove REGNO checks from mips16 patterns.
7532
7533 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
7534
7535         * config/mips/mips.md: Delete outdated comment.
7536
7537 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
7538
7539         * config/mips/mips.c (get_float_compare_codes): Delete.
7540         (mips_emit_compare): New function, mostly extracted from
7541         get_float_compare_codes and gen_conditional_branch.
7542         (gen_conditional_branch, gen_conditional_move): Use it.
7543
7544 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
7545
7546         * genautomata.c (add_vect): Speedup by using integers as
7547         bit-vectors for walking through the comb_vect and finding
7548         a match.
7549
7550 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
7551
7552         * config/mips/mips.c (mips_zero_if_equal): Only use XORs if the second
7553         operand is an uns_arith_operand; use subtraction otherwise.
7554         * config/mips/mips.md (cmpsi, cmpdi): Allow any nonmemory_operand,
7555         not just arith_operands.
7556
7557 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
7558
7559         * config/mips/mips-protos.h (gen_int_relational): Delete.
7560         (mips_emit_scc): Declare.
7561         * config/mips/mips.c (internal_test): Delete.
7562         (sle_operand, sleu_operand): New functions.
7563         (map_test_to_internal_test, gen_int_relational): Delete.
7564         (mips_emit_binary, mips_relational_operand_ok_p)
7565         (mips_emit_int_relational, mips_zero_if_equal)
7566         (mips_emit_scc): New functions.
7567         (gen_conditional_branch): Rework to use mips_emit_int_relational.
7568         * config/mips/mips.h (PREDICATE_CODES): Add sle_operand and
7569         sleu_operand.
7570         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
7571         (sltu, sleu): Use mips_emit_scc.
7572         (*sge_[sd]i, *sgeu_[sd]i): New patterns.
7573         (*sle_[sd]i, *sle_[sd]i_mips16): Use sle_operand.
7574         (*sleu_[sd]i, *sleu_[sd]i_mips16): Use sleu_operand.
7575
7576 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
7577
7578         * config/mips/mips.md (*sgt_di_mips16): Fix destination constraint.
7579
7580 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
7581
7582         * config/mips/mips.md (*seq_[sd]i): Renamed from seq_[sd]i_zero.
7583         (*sne_[sd]i): Likewise sne_[sd]i_zero.
7584         (*sgt_[sd]i): ...and sgt_[sd]i.
7585         (*slt_[sd]i): ...and slt_[sd]i.
7586         (*sgtu_[sd]i): ...and sgtu_[sd]i.
7587         (*sltu_[sd]i): ...and sltu_[sd]i.
7588         (*sleu_[sd]i): ...and sleu_[sd]i_const.
7589         Name previously unnamed mips16 patterns.  Formatting fixes.
7590
7591 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
7592
7593         * config/mips/mips.c (cmp_operands): Renamed from branch_cmp.
7594         (branch_type): Delete.
7595         (gen_conditional_branch, gen_conditional_move)
7596         (mips_gen_conditional_trap): Update after name change.  Get the
7597         comparison mode from cmp_operands[0].
7598         * config/mips/mips.h (cmp_type, branch_type): Delete.
7599         (cmp_operands): Renamed from branch_cmp.
7600         * config/mips/mips.md (cmpsi, cmpdi, cmpsf, cmpdf): Update after
7601         name change.  Don't set branch_type.
7602         (seq, sne, sgt, sge, slt, sle, sgtu, sgeu, sltu, sleu): Check the
7603         mode class of cmp_operands[0] rather than branch_type.  Update after
7604         name change.
7605
7606 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
7607
7608         * config/mips/mips.c (mips_rtx_costs): In mips16 code, set the cost
7609         of 0...255 to 0 when inside a SET.
7610
7611 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
7612
7613         * config/mips/mips.md: Remove mips16 define_peepholes.
7614
7615 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
7616
7617         * tree-ssa-pre.c (init_pre): Connect infinite loops to exit.
7618         (fini_pre): Remove fake edges.
7619
7620 2004-07-15  Richard Henderson  <rth@redhat.com>
7621
7622         * tree-ssa-operands.c (get_expr_operands): Use a switch.  Split out...
7623         (get_indirect_ref_operands, get_call_expr_operands): ... these.
7624
7625 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
7626
7627         * vec.h (VEC_address): New function.
7628
7629 2004-07-14  Jason Merrill  <jason@redhat.com>
7630
7631         PR middle-end/15885
7632         * gimplify.c (gimplify_arg): New fn, split out from...
7633         (gimplify_call_expr): Here.  Special-case BUILT_IN_VA_START.
7634
7635 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
7636
7637         * config/m68k/m68k.c (output_move_qimode): Abort on an attempt to
7638         generate code which is generated by pushqi1 now
7639         * config/m68k/m68k.h (MOVE_BY_PIECES_P): Remove.
7640
7641 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
7642
7643         * combine.c (simplify_set): match the mode of the constant 0 with
7644         the tested operand to match the compare behaviour and the
7645         simplify_relational_operation() expectation.
7646
7647 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
7648
7649         * config/rs6000/rs6000.md ("bunordered"): Disable for e500.
7650         ("bordered"): Same.
7651
7652 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
7653
7654         * config/rs6000/rs6000.md ("*cceq_ior_compare"): Allow
7655         unconditionally.
7656         * config/rs6000/spe.md ("e500_cceq_ior_compare"): Remove.
7657
7658 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
7659
7660         * config/mips/mips.c (mips_adjust_insn_length): Fix handling of
7661         calls in mips16 code.
7662
7663 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
7664
7665         * config/mips/mips.md: In the mips16 li/neg splitter, use SImode for
7666         the destination of the li as well as for the neg.
7667
7668 2004-07-15  Frank Ch. Eigler  <fche@redhat.com>
7669
7670         g++/15861
7671         * cgraphunit.c (cgraph_build_static_cdtor): Add priority argument.
7672         * cgraph.h: Update declaration.
7673         * c-decl.c (build_cdtor): Update call with default priority.
7674         * coverage.c (create_coverage): Ditto.
7675         * tree-mudflap.c (mf_init_fndecl): New tree.
7676         (mudflap_init): Set it.
7677         (mudflap_register_call): Arrange to call __mf_init before the first
7678         __mf_register call.
7679         (mudflap_finish_file): Mark the mudflap static initializer as extra
7680         high priority, to beat all C++ static constructors.
7681
7682 2004-07-15  Jeff Law  <law@redhat.com>
7683
7684         * loop.c (check_insn_for_givs): Restore check for code labels that was
7685         accidentally deleted by a recent checkin.
7686
7687 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
7688
7689         * vec.h (VEC_T_truncate): Allow truncation of an empty vector.
7690         (VEC_T_quick_insert, VEC_T_ordered_remove): Fix sizeof(T) thinko.
7691
7692 2004-07-14  Richard Henderson  <rth@redhat.com>
7693
7694         * print-tree.c (print_node): Fix casts last change.
7695
7696 2004-07-15  Paul Brook  <paul@codesourcery.com>
7697
7698         * dwarf2out.c (dwarf2out_begin_prologue): Rename IA64_UNWIND_INFO
7699         to TARGET_UNWIND_INFO.
7700         * except.c (output_function_exception_table): Ditto.
7701         * except.h: Ditto.
7702         * opts.c (decode_options): Ditto.
7703         * passes.c (rest_of_handle_final): Ditto.
7704         * final.c (final_start_function): Ditto.
7705         (final_scan_insn, final_scan_insn): Replace IA64_UNWIND_EMIT with
7706         target hook.
7707         * targhooks.h (default_unwind_emit): Declare.
7708         * targhooks.c (default_unwind_emit): New function.
7709         * target-def.h: Define and use TARGET_UNWIND_EMIT.
7710         * target.h (struct gcc_target): Add unwind_emit.
7711         * config/ia64/ia64.c (TARGET_UNWIND_EMIT): Define.
7712         * config/ia64/ia64.h: Rename IA64_UNWIND_INFO to TARGET_UNWIND_INFO.
7713         Remove IA64_UNWIND_EMIT.
7714         * doc/tm.texi: Document TARGET_UNWIND_EMIT and TARGET_UNWIND_INFO.
7715
7716 2004-07-14  Richard Henderson  <rth@redhat.com>
7717
7718         * print-tree.c (print_node): Handle SSA_NAME.
7719
7720 2004-07-14  James E Wilson  <wilson@specifixinc.com>
7721
7722         PR target/16325
7723         * config/mips/mips.h (STARTING_FRAME_OFFSET): When flag_profile_value
7724         and ! TARGET_64BIT, include REG_PARM_STACK_SPACE.
7725
7726 2004-07-15  Jakub Jelinek  <jakub@redhat.com>
7727
7728         * expr.c (expand_assignment): Reenable bitfield += optimizations.
7729         Use alias set 0 for memory, do proper mode calculations and adjust
7730         address for memories.
7731
7732 2004-07-14  Per Bothner  <per@bothner.com>
7733
7734         * input.h:  If USE_MAPPED_LOCATION, define separate expanded_location
7735         structure with extra column field.
7736         * tree.c (expand_location):  Also fill in column field.
7737         * gengtype-lex.l:  Ignore expanded_location typedef, sinze gengtype
7738         gets confused by the two conditionally-compiled definitions.
7739
7740 2004-07-14  Eric Christopher  <echristo@redhat.com>
7741
7742         * calls.c (expand_call): Fix typo in comment.
7743
7744 2004-07-14  Steve Ellcey  <sje@cup.hp.com>
7745
7746         * config/ia64/ia64.c (ia64_expand_compare): Allow ORDERED
7747         comparision of TFmode.
7748
7749 2004-07-14  Richard Henderson  <rth@redhat.com>
7750
7751         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Move indirect ...
7752         (alpha_gimplify_va_arg): ... handling here.  Use pass_by_reference.
7753         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Use pass_by_reference.
7754         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
7755         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
7756         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
7757         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
7758         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
7759         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
7760
7761 2004-07-14  Mike Stump  <mrs@apple.com>
7762
7763         * config/darwin.h (WINT_TYPE): Define to be int to match
7764         system header files.
7765
7766 2004-07-14  Bob Wilson  <bob.wilson@acm.org>
7767
7768         * config/xtensa/xtensa.c (function_arg_advance): Check for args
7769         that must be passed in the stack.
7770         (xtensa_gimplify_va_arg_expr): Skip special-case padding for small
7771         arguments if the size is not a constant.
7772
7773 2004-07-14  Per Bothner  <per@bothner.com>
7774
7775         * c-typeck.c (emit_side_effect_warnings):  Use EXPR_HAS_LOCATION
7776         instead of EXPR_LOCUS in a boolean context, which is always true
7777         if --enable-mapped-location.
7778         * stmt.c (warn_if_unused_value):  Likewise.  Also use EXPR_LOCATION.
7779
7780 2004-07-14  Richard Henderson  <rth@redhat.com>
7781
7782         * dominance.c (struct dom_info): Add fake_exit_edge.
7783         (init_dom_info): Allocate it.
7784         (free_dom_info): Free it.
7785         (calc_dfs_tree): Set it.  Handle noreturn and infinite loops
7786         in two passes.
7787         (calc_idoms): Honor fake_exit_edge.
7788
7789 2004-07-13  Jason Merrill  <jason@redhat.com>
7790
7791         * tree-gimple.c (is_gimple_reg_rhs, is_gimple_mem_rhs): New fns.
7792         (rhs_test_for): New fn.
7793         (is_gimple_tmp_rhs): Rename from is_gimple_rhs.
7794         * tree-gimple.h: Declare them.
7795         * gimplify.c (gimplify_modify_expr): Use the new fns.
7796
7797 2004-07-14  Richard Henderson  <rth@redhat.com>
7798
7799         * config/arm/arm-protos.h (arm_va_arg): Remove.
7800         * config/arm/arm.c (arm_va_arg): Remove.
7801         (arm_init_expanders): Fix alignment of arg_pointer_rtx.
7802         * config/arm/arm.h (EXPAND_BUILTIN_VA_ARG): Remove.
7803
7804 2004-07-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7805
7806         * pa.c (fix_range): New function to mark a range(s) of registers as
7807         fixed registers.
7808         (override_options): Call fix_range if the -mfixed-range option string
7809         is not empty.
7810         * pa.h (TARGET_OPTIONS): Add -mfixed-range option.
7811         * doc/invoke.texi (-mfixed-range): Document new option.
7812
7813 2004-07-14  David Edelsohn  <edelsohn@gnu.org>
7814
7815         * config/rs6000/rs6000.c (function_arg_padding): Do not pad SFmode
7816         for TARGET_64BIT.
7817         (rs6000_gimplify_va_arg): Use size_int instead of build_int_2.
7818
7819 2004-07-14  Roger Sayle  <roger@eyesopen.com>
7820
7821         * expmed.c (expand_sdiv_pow2): New function to expand signed division
7822         by a positive power of two, split out from expand_divmod.  Provide
7823         an alternate implementation when shifts are expensive.  Lower the
7824         threshold for using a branchless implementation to BRANCH_COST >= 2.
7825         (expand_divmod): Call expand_sdiv_pow2 for suitable divisions.
7826
7827 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
7828
7829         * tree-dfa.c (make_rename_temp): *Really* work just
7830         like create_tmp_var if called while outside SSA form.
7831
7832 2004-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
7833
7834         * config/s390/s390.md ("udivsi3"): Ensure trap is generated
7835         for division by zero.
7836         ("umodsi3"): Likewise.
7837
7838 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
7839
7840         * config/mips/mips.c (mips_output_move): When generating mips16 code,
7841         force loads of negative constants to be split.
7842         * config/mips/mips.md (*movhi_mips16, *movqi_mips16): Likewise.
7843         Generalize SImode li/neg splitter to cope with other modes.
7844
7845 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
7846
7847         * expmed.c: Remove more references to QUEUED in the comments.
7848         * expr.c: Likewise.
7849
7850 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
7851
7852         Revert:
7853         2004-07-13  Richard Henderson  <rth@redhat.com>
7854         * config/mips/mips.c (mips_pass_by_reference): Handle mode sizes
7855         correctly.
7856
7857 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
7858
7859         * tree-dfa.c (make_rename_temp): Work just like
7860         create_tmp_var if called while outside SSA form.
7861
7862 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
7863
7864         * expr.c (enqueue_insn, finish_expr_for_function,
7865         protect_from_queue, queued_subexp_p, mark_queue,
7866         emit_insns_enqueued_after_mark, emit_queue,
7867         expand_increment): Remove.
7868         (store_constructor): Expand increment as an assignment.
7869         (expand_expr_real_1 <case PREINCREMENT_EXPR,
7870         case PREDECREMENT_EXPR, case POSTINCREMENT_EXPR,
7871         case POSTDECREMENT_EXPR>): Abort.
7872         * expr.h (QUEUED_VAR, QUEUED_INSN, QUEUED_COPY,
7873         QUEUED_BODY, QUEUED_NEXT, finish_expr_for_function,
7874         protect_from_queue, emit_queue, queued_subexp_p): Remove.
7875         * function.h (pending_chain, x_pending_chain): Remove.
7876         * rtl.def (QUEUED): Remove.
7877
7878         * emit-rtl.c (copy_insn_1, copy_most_rtx,
7879         set_used_flags, verify_rtx_sharing): Remove references to QUEUED.
7880         * genattrtab.c (attr_copy_rtx, clear_struct_flag,
7881         encode_units_mask): Likewise.
7882         * local-alloc.c (equiv_init_varies_p): Likewise.
7883         * rtl.c (copy_rtx): Likewise.
7884         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
7885         * simplify-rtx.c (simplify_gen_subreg): Likewise.
7886         * config/mn10300/mn10300.c (legitimate_pic_operand_p): Likewise.
7887
7888         * builtins.c (expand_builtin, expand_builtin_apply,
7889         expand_builtin_mathfn, expand_builtin_mathfn_2,
7890         expand_builtin_mathfn_3, expand_builtin_setjmp_setup):
7891         Remove calls to emit_queue and protect_from_queue.
7892         * calls.c (expand_call, precompute_arguments,
7893         precompute_register_parameters, rtx_for_function_call,
7894         store_one_arg): Likewise.
7895         * dojump.c (do_compare_and_jump, do_jump): Likewise.
7896         * explow.c (memory_address): Likewise.
7897         * expmed.c (clear_by_pieces_1, clear_storage,
7898         clear_storage_via_libcall, emit_group_load,
7899         emit_group_store, emit_store_flag,
7900         expand_expr_real_1, store_by_pieces,
7901         store_constructor, store_expr, try_casesi,
7902         try_tablejump): Likewise.
7903         * function.c (expand_pending_sizes): Likewise.
7904         * optabs.c (emit_cmp_and_jump_insns,
7905         emit_conditional_add, emit_conditional_move,
7906         expand_fix, expand_float, prepare_cmp_insn): Likewise.
7907         * stmt.c (emit_case_bit_tests,
7908         expand_asm_expr, expand_computed_goto,
7909         expand_decl_init, expand_end_case_type,
7910         expand_end_stmt_expr, expand_expr_stmt_value,
7911         expand_return, expand_start_case,
7912         optimize_tail_recursion): Likewise.
7913         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
7914         * config/s390/s390.c (s390_expand_cmpmem): Likewise.
7915
7916 2004-07-14  Ben Elliston  <bje@au.ibm.com>
7917
7918         * vec.h: Comment fix.
7919
7920 2004-07-13  Richard Henderson  <rth@redhat.com>
7921
7922         * target.h (struct gcc_target): Add calls.pass_by_reference.
7923         * target-def.h (TARGET_PASS_BY_REFERENCE): New.
7924         * function.c (pass_by_reference): Use the hook.
7925         * system.h (FUNCTION_ARG_PASS_BY_REFERENCE): Poison.
7926         * targhooks.c, targhooks.h (hook_pass_by_reference_false): New.
7927         (hook_pass_by_reference_must_pass_in_stack): New.
7928         * config/alpha/alpha.c (function_arg): Don't query pass-by-ref.
7929         (alpha_pass_by_reference): New.
7930         (TARGET_PASS_BY_REFERENCE): New.
7931         * config/alpha/alpha.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7932         * config/arc/arc.c (arc_pass_by_reference): New.
7933         (TARGET_PASS_BY_REFERENCE): New.
7934         * config/arc/arc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7935         (FUNCTION_ARG_CALLEE_COPIES): True.
7936         * config/arm/arm-protos.h (arm_function_arg_pass_by_reference): Remove.
7937         * config/arm/arm.c (TARGET_PASS_BY_REFERENCE): New.
7938         (arm_pass_by_reference): Rename from arm_function_arg_pass_by_reference.
7939         * config/arm/arm.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7940         * config/c4x/c4x.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7941         * config/cris/cris.c (cris_pass_by_reference): New.
7942         (TARGET_PASS_BY_REFERENCE): New.
7943         * config/cris/cris.h (FUNCTION_ARG): Don't query pass-by-ref.
7944         (FUNCTION_INCOMING_ARG, FUNCTION_ARG_ADVANCE): Likewise.
7945         (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7946         * config/fr30/fr30.c (TARGET_PASS_BY_REFERENCE): New.
7947         * config/fr30/fr30.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7948         * config/frv/frv-protos.h (frv_function_arg_pass_by_reference): Kill.
7949         * config/frv/frv.c (TARGET_PASS_BY_REFERENCE): New.
7950         (frv_function_arg_pass_by_reference): Remove.
7951         * config/frv/frv.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7952         * config/i386/i386-protos.h (function_arg_pass_by_reference): Remove.
7953         * config/i386/i386.c (TARGET_PASS_BY_REFERENCE): New.
7954         (ix86_pass_by_reference): Rename from function_arg_pass_by_reference.
7955         * config/i386/i386.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7956         * config/ia64/ia64-protos.h (ia64_function_arg_pass_by_reference): Kill.
7957         * config/ia64/ia64.c (TARGET_PASS_BY_REFERENCE): New.
7958         (ia64_pass_by_reference): Rename from
7959         ia64_function_arg_pass_by_reference.
7960         * config/ia64/ia64.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7961         * config/ip2k/ip2k.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7962         * config/iq2000/iq2000-protos.h (function_arg_pass_by_reference): Kill.
7963         * config/iq2000/iq2000.c (TARGET_PASS_BY_REFERENCE): New.
7964         (iq2000_pass_by_reference): Rename from function_arg_pass_by_reference.
7965         * config/iq2000/iq2000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7966         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
7967         * config/m32r/m32r-protos.h (m32r_pass_by_reference): Remove.
7968         * config/m32r/m32r.c (TARGET_PASS_BY_REFERENCE): New.
7969         (m32r_pass_by_reference): Adjust prototype.  Make static.
7970         Handle mode sizes correctly.
7971         * config/m32r/m32r.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7972         * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c
7973         (m68hc11_function_arg_pass_by_reference): Remove.
7974         * config/m68hc11/m68hc11.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7975         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
7976         * config/mcore/mcore.c (TARGET_PASS_BY_REFERENCE): New.
7977         * config/mcore/mcore.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7978         * config/mips/mips-protos.h (function_arg_pass_by_reference): Remove.
7979         * config/mips/mips.c (TARGET_PASS_BY_REFERENCE): New.
7980         (mips_va_arg): Use pass_by_reference.
7981         (mips_pass_by_reference): Rename from function_arg_pass_by_reference.
7982         Handle mode sizes correctly.
7983         * config/mips/mips.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7984         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
7985         * config/mmix/mmix-protos.h (mmix_function_arg_pass_by_reference): Kill.
7986         * config/mmix/mmix.c (TARGET_PASS_BY_REFERENCE): New.
7987         (mmix_pass_by_reference): Rename from
7988         mmix_function_arg_pass_by_reference.
7989         * config/mmix/mmix.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7990         (FUNCTION_ARG_CALLEE_COPIES): True.
7991         * config/mn10300/mn10300.c (TARGET_PASS_BY_REFERENCE): New.
7992         (mn10300_pass_by_reference): New.
7993         * config/mn10300/mn10300.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7994         (FUNCTION_ARG_CALLEE_COPIES): True.
7995         * config/pa/pa.c (pa_pass_by_reference): New.
7996         (TARGET_PASS_BY_REFERENCE): New.
7997         * config/pa/pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7998         (FUNCTION_ARG_CALLEE_COPIES): True.
7999         * config/rs6000/rs6000-protos.h (function_arg_pass_by_reference): Kill.
8000         * config/rs6000/rs6000.c (TARGET_PASS_BY_REFERENCE): New.
8001         (rs6000_pass_by_reference): Rename from function_arg_pass_by_reference.
8002         * config/rs6000/rs6000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8003         * config/s390/s390-protos.h (s390_function_arg_pass_by_reference): Kill.
8004         * config/s390/s390.c (TARGET_PASS_BY_REFERENCE): New.
8005         (s390_pass_by_reference): Rename from
8006         s390_function_arg_pass_by_reference.
8007         (s390_function_arg_advance): Don't query pass-by-ref.
8008         (s390_function_arg): Likewise.
8009         (s390_gimplify_va_arg): Use pass_by_reference.
8010         (s390_call_saved_register_used): Likewise.
8011         * config/s390/s390.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8012         * config/sh/sh.c (TARGET_PASS_BY_REFERENCE): New.
8013         (shcompact_byref, sh_pass_by_reference): New.
8014         * config/sh/sh.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8015         (SHCOMPACT_BYREF): Remove.
8016         * config/sparc/sparc-protos.h (function_arg_pass_by_reference): Kill.
8017         * config/sparc/sparc.c (TARGET_PASS_BY_REFERENCE): New.
8018         (sparc_pass_by_reference): Rename from function_arg_pass_by_reference.
8019         (sparc_gimplify_va_arg): Use pass_by_reference.
8020         * config/sparc/sparc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8021         * config/stormy16/stormy16.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8022         * config/v850/v850.c (TARGET_PASS_BY_REFERENCE): New.
8023         (v850_pass_by_reference): New.
8024         * config/v850/v850.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8025         (FUNCTION_ARG_CALLEE_COPIES): True.
8026         * doc/tm.texi (TARGET_PASS_BY_REFERENCE): Update from
8027         FUNCTION_ARG_PASS_BY_REFERENCE docs.
8028
8029 2004-07-14  Richard Henderson  <rth@redhat.com>
8030             Richard Sandiford  <rsandifo@redhat.com>
8031
8032         * config/mips/mips-protos.h (mips_va_arg): Delete.
8033         * config/mips/mips.h (EXPAND_BUILTIN_VA_ARG): Delete.
8034         * config/mips/mips.c: Include tree-gimple.h.
8035         (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
8036         (mips_arg_info): Remove special handling of must_pass_in_stck args.
8037         (mips_gimplify_va_arg_expr): Rewritten from mips_va_arg.
8038         (function_arg_pass_by_reference): Return true if must_pass_in_stack.
8039
8040 2004-07-13  Bob Wilson  <bob.wilson@acm.org>
8041
8042         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Swap
8043         arguments for COND_EXPR in big-endian adjustment code.
8044
8045 2004-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8046
8047         * pa-64.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Delete.
8048         * pa.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Modify for hppa64.
8049         * pa32-regs.h (REG_ALLOC_ORDER): Reorder caller-saved registers.
8050         * pa64-regs.h (REG_ALLOC_ORDER): Likewise.
8051
8052 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
8053
8054         PR tree-optimization/16443
8055         * tree-ssa-alias.c: Add more description for
8056         CALL_CLOBBERED_VARS and ADDRESSABLE_VARS.
8057         * tree-ssa-operands.c (get_asm_expr_operands): Re-order the
8058         clobbering of call-clobbered and addressable variables.  If
8059         there are any before aliases have been computed, add them.
8060
8061 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
8062
8063         * tree-optimize.c (execute_todo): Flush DUMP_FILE before
8064         verification.
8065
8066 2004-07-13  Ulrich Weigand  <uweigand@de.ibm.com>
8067
8068         * config/s390/s390.c (s390_gimplify_va_arg): Use size_int instead
8069         of build_int_2.  Convert both operands of PLUS_EXPR and MULT_EXPR
8070         to the same type.
8071
8072 2004-07-13  Per Bothner  <per@bothner.com>
8073
8074         * collect2.c (main):  Handle --no-demangle and --demangle flags.
8075
8076 2004-07-13  Sebastian Pop  <pop@cri.ensmp.fr>
8077
8078         * Makefile.in (OBJS-common): Add tree-data-ref.o.
8079         (tree-scalar-evolution.o): Add missing dependences on tree-pass.h flags.h.
8080         (tree-data-ref.o): New rule.
8081         * lambda.h: New file.
8082         * tree-data-ref.c: New file.
8083         * tree-data-ref.h: New file.
8084         * tree.c (int_cst_value, tree_fold_gcd): New functions.
8085         * tree.h (int_cst_value, tree_fold_gcd): Declared here.
8086
8087 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
8088
8089         PR target/13926
8090         * config/sparc/sparc-protos.h (output_ubranch): New prototype.
8091         * config/sparc/sparc.c (output_ubranch): New function.
8092         * config/sparc/sparc.md (jump pattern): Use it.
8093
8094 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
8095
8096         PR target/16494
8097         * config/sparc/sparc.c (output_cbranch): Properly guard
8098         the code handling far branches with TARGET_V9.
8099         * config/sparc/sparc.md (length attribute): Document the
8100         side-effect of having a length greater or equal to 3.
8101
8102 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
8103             Lloyd Parkes  <lloyd@must-have-coffee.gen.nz>
8104
8105         PR target/15186
8106         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Pass
8107         /usr/ucblib/sparcv9 as -R path when -compat-bsd is specified.
8108
8109 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
8110             Martin Sebor  <sebor@roguewave.com>
8111
8112         PR target/12602
8113         * doc/invoke.texi (SPARC options): Document -threads
8114         and -pthreads on Solaris.
8115
8116 2004-07-13  Richard Henderson  <rth@redhat.com>
8117
8118         * builtins.c (std_gimplify_va_arg_expr): Handle types passed
8119         by reference.
8120         (ind_gimplify_va_arg_expr): Remove.
8121         * tree.h (ind_gimplify_va_arg_expr): Remove.
8122         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Don't use it.
8123         * config/mmix/mmix.c (mmix_function_arg_pass_by_reference): Allow
8124         argsp to be null.
8125
8126         * config/arc/arc.c (arc_gimplify_va_arg_expr): Remove.
8127         (TARGET_GIMPLIFY_VA_ARG_EXPR): Remove.
8128         * config/cris/cris.c, config/fr30/fr30.c, config/frv/frv.c,
8129         config/iq2000/iq2000.c, config/m32r/m32r.c, config/mmix/mmix.c,
8130         config/mn10300/mn10300.c, config/v850/v850.c: Similarly.
8131
8132 2004-07-13  Richard Henderson  <rth@redhat.com>
8133
8134         * function.c (pass_by_reference): New.
8135         (assign_parm_find_data_types): Use it.
8136         * calls.c (initialize_argument_information): Likewise.
8137         (emit_library_call_value_1): Likewise.
8138         * expr.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8139         * function.h (pass_by_reference): Declare.
8140
8141 2004-07-13  Richard Henderson  <rth@redhat.com>
8142
8143         * target-def.h (TARGET_MUST_PASS_IN_STACK): New.
8144         * target.h (struct gcc_target): Add calls.must_pass_in_stack.
8145         * expr.h (MUST_PASS_IN_STACK): Remove.
8146         * system.h (MUST_PASS_IN_STACK): Poison.
8147         * tree.h (must_pass_in_stack_var_size): Declare.
8148         (must_pass_in_stack_var_size_or_pad): Declare.
8149         * calls.c (must_pass_in_stack_var_size): New.
8150         (must_pass_in_stack_var_size_or_pad): Rename from
8151         default_must_pass_in_stack.
8152         * config/alpha/alpha.c (unicosmk_must_pass_in_stack): New.
8153         (TARGET_MUST_PASS_IN_STACK): New.
8154         * config/alpha/unicosmk.h (MUST_PASS_IN_STACK): Remove.
8155         * config/fr30/fr30.c (fr30_must_pass_in_stack): New.
8156         (TARGET_MUST_PASS_IN_STACK): New.
8157         * config/fr30/fr30.h (MUST_PASS_IN_STACK): Remove.
8158         * config/frv/frv.c (frv_must_pass_in_stack): New.
8159         (TARGET_MUST_PASS_IN_STACK): New.
8160         * config/frv/frv.h (MUST_PASS_IN_STACK): Remove.
8161         * config/i386/i386-protos.h (ix86_must_pass_in_stack): Remove.
8162         * config/i386/i386.c (TARGET_MUST_PASS_IN_STACK): New.
8163         (ix86_must_pass_in_stack): Make static.
8164         * config/i386/i386.h (MUST_PASS_IN_STACK): Remove.
8165         * config/ia64/ia64.c (TARGET_MUST_PASS_IN_STACK): New.
8166         * config/ia64/ia64.h (MUST_PASS_IN_STACK): Remove.
8167         * config/m32r/m32r.c (TARGET_MUST_PASS_IN_STACK): New.
8168         * config/m32r/m32r.h (MUST_PASS_IN_STACK): Remove.
8169         * config/mcore/mcore-protos.h (mcore_must_pass_on_stack): Remove.
8170         * config/mcore/mcore.c (TARGET_MUST_PASS_IN_STACK): New.
8171         (mcore_must_pass_on_stack): Remove.
8172         * config/mcore/mcore.h (MUST_PASS_IN_STACK): Remove.
8173         * config/mips/mips.c (TARGET_MUST_PASS_IN_STACK): New.
8174         * config/mips/mips.h (MUST_PASS_IN_STACK): Remove.
8175         * config/pa/pa.c (TARGET_MUST_PASS_IN_STACK): New.
8176         * config/pa/pa.h (MUST_PASS_IN_STACK): Remove.
8177         * config/rs6000/aix.h (MUST_PASS_IN_STACK): Remove.
8178         * config/rs6000/linux64.h (MUST_PASS_IN_STACK): Remove.
8179         * config/rs6000/rs6000.c (rs6000_must_pass_in_stack): New.
8180         (TARGET_MUST_PASS_IN_STACK): New.
8181         * config/sh/sh.c (TARGET_MUST_PASS_IN_STACK): New.
8182         * config/sh/sh.h (MUST_PASS_IN_STACK): Remove.
8183         * config/sparc/sparc.c (TARGET_MUST_PASS_IN_STACK): New.
8184         * config/sparc/sparc.h (MUST_PASS_IN_STACK): Remove.
8185         * config/xtensa/xtensa.c (TARGET_MUST_PASS_IN_STACK): New.
8186         * config/xtensa/xtensa.h (MUST_PASS_IN_STACK): Remove.
8187         * doc/tm.texi (TARGET_MUST_PASS_IN_STACK): Update from
8188         MUST_PASS_IN_STACK.
8189
8190         * calls.c, function.c, config/alpha/alpha.c, config/alpha/alpha.h,
8191         config/alpha/unicosmk.h, config/alpha/vms.h, config/c4x/c4x.c,
8192         config/cris/cris.h, config/fr30/fr30.c, config/fr30/fr30.h,
8193         config/frv/frv.c, config/i386/i386.c, config/iq2000/iq2000.c,
8194         config/mcore/mcore.c, config/mcore/mcore.h, config/mips/mips.c,
8195         config/mmix/mmix.c, config/mmix/mmix.h, config/rs6000/rs6000.c,
8196         config/sh/sh.c, config/sh/sh.h, config/stormy16/stormy16.c,
8197         config/xtensa/xtensa.c: Use target hook.
8198
8199 2004-07-13  Anthony Heading  <aheading@jpmorgan.com>
8200
8201         * configure.ac (gcc_cv_as_offsetable_lo10): Fix a typo.
8202         * configure: Rebuilt.
8203
8204 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
8205
8206         * doc/invoke.texi: Remove documentation for MIPS -mrnames option.
8207         * config/mips/mips.h (mips_reg_names): Don't declare.
8208         (MASK_NAME_REGS): Delete.  Shuffle other MASK_* values down.
8209         (TARGET_NAME_REGS): Delete.
8210         (TARGET_SWITCHES): Remove -mrnames.
8211         (REGISTER_NAMES): Initialise with the old contents of mips_reg_names[].
8212         (ADDITIONAL_REGISTER_NAMES): Remove entries for names mentioned
8213         in REGISTER_NAMES.
8214         * config/mips/mips.c (mips_reg_names, mips_sw_reg_names): Delete.
8215         (override_options): Remove handling of TARGET_NAME_REGS.
8216
8217 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
8218
8219         * config/mips/mips.h (TARGET_*): Boolify.
8220
8221 2004-07-12  Nick Clifton  <nickc@redhat.com>
8222
8223         * config.gcc: Add sh-*-symbianelf target.
8224         * config/sh/sh.c: Add new target macros:
8225         TARGET_ENCODE_SECTION_INFO, TARGET_STRIP_NAME_ENCODING,
8226         TARGET_CXX_IMPORT_EXPORT_CLASS.
8227         (sh_file_start): Create a definition of the .directive section.
8228         (sh_attribute): Add dllimport and dllexport attributes.
8229         * config/sh/symbian-pre.h: New file.
8230         * config/sh/symbian-post.h: New file.
8231         * config/sh/symbian.c: New file. Contains Symbian specific
8232         functions.
8233         * config/sh/sh-protos.h: Add prototypes for new functions
8234         provided by symbian.c.
8235         * config/sh/t-symbian: New file.
8236         * doc/extend.texi: Document support for dllimport and dllexport
8237         attributes by the sh-symbianelf target.
8238
8239 2004-07-12  James E Wilson  <wilson@specifixinc.com>
8240
8241         * Makefile.in (AR): Use @AR@ not ar.
8242         (NM): New.
8243         (AR_FOR_TARGET): Use $(AR) not ar for native.
8244         (NM_FOR_TARGET): Use $(NM) not nm for native.
8245         * configure.ac: Add AC_CHECK_PROG calls for NM and AR.
8246         * configure: Regenerate.
8247
8248 2004-07-12  David S. Miller  <davem@nuts.davemloft.net>
8249
8250         * config/sparc/sparc.md (ashlsi3): Eliminate const 1
8251         special case.
8252         (ashldi3_sp64): Likewise.
8253
8254 2004-07-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8255
8256         PR target/16477
8257         * pa.c (function_arg): Update comment.
8258         * pa.h (BLOCK_REG_PADDING): Define.
8259
8260 2004-07-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
8261
8262         PR tree-optimization/16461
8263         * tree-tailcall.c (independent_of_stmt_p): Handle non-SSA name
8264         arguments of phi nodes.
8265
8266 2004-07-12  Devang Patel  <dpatel@apple.com>
8267
8268         * doc/invoke.texi (Darwin Options): Document -gused and -gfull.
8269
8270 2004-07-12  Steve Ellcey  <sje@cup.hp.com>
8271
8272         * function.c (expand_function_start): Ensure r_save is in Pmode.
8273         * calls.c (prepare_call_address): Ensure static_chain_value is
8274         in Pmode.
8275         * builtins.c (expand_builtin_nonlocal_goto): Ensure r_label and
8276         r_save_area are in Pmode.
8277         * config/ia64/ia64.c (ia64_initialize_trampoline): Ensure addr,
8278         fnaddr, and static_chain are in Pmode.
8279
8280 2004-07-12  Vladimir Makarov  <vmakarov@redhat.com>
8281
8282         PR target/16445
8283         * config/ia64/ia64.c (bundling): Don't count ignored insns.
8284
8285 2004-07-12  Richard Henderson  <rth@redhat.com>
8286
8287         * target.h (struct gcc_target): Move gimplify_va_arg_expr
8288         next to build_builtin_va_list.
8289         * target-def.h (TARGET_GIMPLIFY_VA_ARG_EXPR): Update to match.
8290         * builtins.c (gimplify_va_arg_expr): Likewise.
8291         * gimplify.c (copy_if_shared_r): Likewise.
8292
8293 2004-07-12  Alexandre Oliva  <aoliva@redhat.com>
8294
8295         * passes.c (rest_of_decl_compilation): Don't defer call of
8296         assemble_variable if its DECL_RTL is already set.
8297
8298 2004-07-12  Sebastian Pop  <pop@cri.ensmp.fr>
8299
8300         * cfgloop.h (struct loop): Add nb_iterations field.
8301         (current_loops): Declare.
8302         * tree-chrec.c (chrec_not_analyzed_yet,
8303         chrec_dont_know, chrec_known, count_ev_in_wider_type,
8304         chrec_contains_symbols_defined_in_loop): Remove the temporary
8305         hooks.
8306         * tree-flow-inline.h (loop_containing_stmt): New function.
8307         * tree-scalar-evolution.c: Add implementation.
8308         * tree-scalar-evolution.h: Add declarations.
8309
8310 2004-07-12 Vladimir Makarov <vmakarov@redhat.com>
8311
8312         PR rtl-optimization/15921
8313         * Makefile.in (global.o): Add recog.h.
8314
8315         * global.c (recog.h): Add the include-clause.
8316         (bb_info): New member earlyclobber.
8317         (allocate_bb_info, free_bb_info): Initialize/finish the new
8318         member.
8319         (earlyclobber_regclass, earlyclobber_regclass_length): The new
8320         global variables.
8321         (check_earlyclobber, regclass_intersect,
8322         mark_reg_use_for_earlyclobber, mark_reg_use_for_earlyclobber_1):
8323         New functions.
8324         (calculate_local_reg_bb_info): Calculate value of earlyclobber.
8325         (make_accurate_live_analysis): Modify pavin.
8326
8327 2004-07-12  Diego Novillo  <dnovillo@redhat.com>
8328
8329         * tree-cfg.c (find_taken_edge): Statically compute the truth
8330         value of a predicate comparing an SSA_NAME to itself.
8331
8332 2004-07-12  Roger Sayle  <roger@eyesopen.com>
8333
8334         * config/rs6000/rs6000.c (rs6000_rtx_costs): Indicate that the
8335         rs6000 doesn't have shift-and-add or shift-and-sub instructions
8336         by returning the cost of a multiplication plus an addition.
8337
8338 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
8339
8340         PR tree-optimization/14107
8341         * gimplify.c (gimplify_return_expr): Accept a
8342         RETURN_EXPR with an error argument.
8343         * tree-optimize.c (init_tree_optimization_passes):
8344         Run pass_warn_function_return at -O0.
8345
8346 2004-07-12  Roger Sayle  <roger@eyesopen.com>
8347
8348         * doc/invoke.texi: Correct -fasynchronous-unwind-tables option
8349         index entry.
8350
8351 2004-07-12  Richard Sandiford  <rsandifo@redhat.com>
8352
8353         * config/mips/mips.c (mips_use_dfa_pipeline_interface): Delete.
8354         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
8355         * config/mips/3000.md: Add copyright notice.  Remove automota and
8356         function units; use generic ones instead.  Only define reservations
8357         for things that are different from generic.md.  Extend each clause
8358         to include r3900.
8359         * config/mips/{4000,4100,4300,4600,5000,6000,generic}.md: New files.
8360         * config/mips/mips.md: Include them. Remove define_function_units.
8361         (alu, imuldiv): New automata and units.
8362
8363 2004-07-12  Ben Elliston  <bje@au.ibm.com>
8364
8365         * doc/invoke.texi (Optimize Options): Document -frename-registers
8366         not being enabled by default at -O3.
8367
8368 2004-07-11  Roger Sayle  <roger@eyesopen.com>
8369
8370         * fold-const.c (fold) <PLUS_EXPR>: Canonicalize X + -C as X - C for
8371         floating point additions, to keep real immediate constant positive.
8372         <MINUS_EXPR>:  For floating point subtractions, only transform X - -C
8373         into X + C, and leave positive real constants as X - C.
8374
8375 2004-07-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8376
8377         * pa.c (hppa_gimplify_va_arg_expr): Remove comment.
8378
8379 2004-07-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
8380
8381         PR tree-optimization/15654
8382         * tree-tailcall.c (eliminate_tail_call): Remove unreachable code.
8383
8384 2004-07-11  Roger Sayle  <roger@eyesopen.com>
8385
8386         * builtins.c (fold_builtin_fputs): Don't bother converting the
8387         return type to integer_type_node, as we've already checked that
8388         the result will be ignored.
8389
8390         * tree-eh.c (tree_could_trap_p): Add support for -ftrapv such
8391         that signed addition, subtraction, multiplication, division,
8392         remainder, negation and absolute value may potentially trap.
8393
8394         * fold-const.c (fold_ignored_result): New function to strip
8395         non-side-effecting tree nodes from an expression whose result
8396         is ignored.
8397         (fold_convert): Call fold_ignored_result when casting a value
8398         to VOID_TYPE.
8399         (omit_one_operand):  Call fold_ignored_result on the "omitted"
8400         operand when building a COMPOUND_EXPR.
8401         (pedantic_omit_one_operand): Likewise.
8402         * tree.h (fold_ignored_result): Prototype here.
8403         * tree-ssa-ccp.c (ccp_fold_builtin): Call fold_ignored_result
8404         when we're going to ignore the result.
8405
8406 2004-07-11  Richard Henderson  <rth@redhat.com>
8407
8408         PR tree-opt/16383
8409         * tree-ssa-ccp.c (fold_stmt_r): Split out...
8410         * tree.c (fields_compatible_p, find_compatible_field): ... new.
8411         * tree.h (fields_compatible_p, find_compatible_field): Declare.
8412         * tree-sra.c (sra_hash_tree): Hash fields by offset.
8413         (sra_elt_eq): Use fields_compatible_p.
8414         (generate_one_element_ref): Use find_compatible_field.
8415
8416 2004-07-11  Richard Henderson  <rth@redhat.com>
8417
8418         PR tree-opt/16422
8419         * tree-sra.c (generate_one_element_init): New.
8420         (generate_element_init): Use it.
8421         (scalarize_init): Push/pop gimplify context around it.
8422         (find_new_referenced_vars_1, find_new_referenced_vars): New.
8423         * gimplify.c (gimplify_expr): Allow SSA_NAME.
8424
8425 2004-07-11  Roger Sayle  <roger@eyesopen.com>
8426
8427         * rtlanal.c (insn_rtx_cost): New function, moved and renamed from
8428         combine.c's combine_insn_cost.
8429         * rtl.h (insn_rtx_cost): Prototype here.
8430         * combine.c (combine_insn_cost): Delete function.
8431         (combine_validate_cost): Update callers of combine_insn_cost to
8432         call insn_rtx_cost instead.
8433         (combine_instructions): Likewise.  Use NONJUMP_INSN_P to avoid
8434         requesting the rtx_cost of call and/or jump instructions.
8435
8436         * ifcvt.c (total_bb_rtx_cost): Use insn_rtx_cost instead of calling
8437         rtx_cost directly.  Don't request/use the cost of call or jump
8438         instructions.  Return -1 if the cost of any instruction can't be
8439         determined (or the BB contains a function call).
8440         (find_if_case_1): Abort transformation if total_bb_rtx_cost returns
8441         -1 (i.e. can't determine the cost of any instruction or the basic
8442         block contains a subroutine call).
8443         (find_if_case_2): Likewise.
8444
8445 2004-07-11  Roger Sayle  <roger@eyesopen.com>
8446
8447         * rs6000.c (struct processor_costs): Change semantics of fields to
8448         include the COST_N_INSNS scaling, and update all initializers.
8449         (rs6000_rtx_costs): Don't use COSTS_N_INSNS on rs6000_cost fields.
8450         Use COSTS_N_INSNS(1) for NOT, SIGN_EXTEND, ZERO_EXTEND and COMPARE.
8451         Use rs6000_cost->fp for both FLOAT_TRUNCATE and UNSPEC_FRSP.  When
8452         optimizing for size, use COSTS_N_INSNS(1) for CALL and IF_THEN_ELSE.
8453
8454 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
8455
8456         * LANGUAGES: Remove obsolete information.
8457
8458 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
8459
8460         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): For SIGSEGV and
8461         SIGBUS signal frames, the PSW address points *to* the faulting
8462         instruction, not after it.
8463
8464 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
8465
8466         * config/s390/s390.c (legitimize_tls_address): Handle constant offsets
8467         added to TLS symbol addresses.
8468
8469 2004-07-11  Richard Henderson  <rth@redhat.com>
8470
8471         * expmed.c (init_expmed): Use stack-local structures for
8472         temporary rtl.  Don't recognize shifts.
8473
8474 2004-07-11  Richard Henderson  <rth@redhat.com>
8475
8476         * expr.c (store_expr): Don't fiddle subreg promotion for types
8477         with precision smaller than the mode.
8478
8479 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
8480
8481         * tree.h (all_types_permanent): Remove.
8482
8483 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
8484
8485         * langhooks.h (estimate_num_insns, pushlevel, poplevel, set_block,
8486         maybe_build_cleanup, update_decl_after_saving): Remove hooks.
8487         * langhooks.c (lhd_clear_binding_stack): Remove.
8488         * langhooks-def.h (lhd_clear_binding_stack,
8489         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
8490         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING,
8491         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS, LANG_HOOKS_PUSHLEVEL,
8492         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
8493         (LANG_HOOKS_CLEAR_BINDING_STACK): Define to lhd_do_nothing.
8494         * system.h (LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
8495         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_SET_BLOCK,
8496         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
8497         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING, LANG_HOOKS_POPLEVEL): Poison.
8498         * tree.h (poplevel): Don't declare.
8499         * c-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK, LANG_HOOKS_PUSHLEVEL,
8500         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
8501         * objc/objc-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK,
8502         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK):
8503         Remove.
8504
8505 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
8506
8507         PR tree-optimization/16437
8508         * c-common.c (shorten_compare): Don't mark result of conversion to
8509         narrower signed type as overflowing.
8510         * fold-const.c (decode_field_reference): Determine whether
8511         signedness comes from outer type using precision rather than size.
8512
8513 2004-07-11  Phil Edwards  <phil@codesourcery.com>
8514
8515         * configure.ac:  Alphabetize --enable-checking list, add
8516         missing valgrind entry.
8517         * configure:  Regenerate.
8518
8519 2004-07-11  Phil Edwards  <phil@codesourcery.com>
8520
8521         * doc/install.texi (Testing):  Fix syntax in "make check" example.
8522
8523 2004-07-10  James E Wilson  <wilson@specifixinc.com>
8524
8525         * config/gofast.h (gofast_maybe_init_libfuncs): Use SImode for litodp.
8526
8527 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
8528
8529         PR rtl-optimization/16001
8530         * loop-iv.c (iv_number_of_iterations): Prevent copy propagation in
8531         niter_expr.
8532
8533 2004-07-10  Geoffrey Keating  <geoffk@apple.com>
8534
8535         * config/darwin.h (LINK_COMMAND_SPEC): Don't call c++filt.
8536
8537 2004-07-10  Steve Kargl  <sgk@troutmask.apl.washington.edu>
8538             James Morrison  <phython@gcc.gnu.org>
8539
8540         * doc/contrib.texi (Contributors): Add gfortran contributors and
8541         fix a couple of typos.
8542
8543 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
8544
8545         PR rtl-optimization/15387
8546         * calls.c (check_sibcall_argument_overlap_1): Handle pointers
8547         to incoming args space correctly.
8548
8549 2004-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8550
8551         * pa.c (output_indirect_call): Only use %r2 as the link register in
8552         indirect calls with the long PA 2.0 pc-relative branch.
8553
8554 2004-07-10  Daniel Jacobowitz  <dan@debian.org>
8555
8556         * config/i386/i386.c (override_options): Pick a 64-bit CPU
8557         for the default tuning if TARGET_64BIT.
8558
8559 2004-07-10  Richard Henderson  <rth@redhat.com>
8560
8561         * builtins.c (std_gimplify_va_arg_expr): Widen align/boundary
8562         to HOST_WIDE_INT.  Fold pad-args-down arithmetic.
8563
8564 2004-07-10  Jakub Jelinek  <jakub@redhat.com>
8565
8566         * expr.h (store_bit_field, extract_bit_field): Remove last argument.
8567         * expmed.c (store_bit_field, extract_bit_field): Remove last
8568         argument.
8569         * builtins.c (expand_builtin_signbit): Adjust callers.
8570         * optabs.c (expand_vector_binop, expand_vector_unop): Likewise.
8571         * calls.c (store_unaligned_arguments_into_pseudos): Likewise.
8572         * ifcvt.c (noce_emit_move_insn): Likewise.
8573         * stmt.c (expand_return): Likewise.
8574         * expr.c (emit_group_load, emit_group_store, copy_blkmode_from_reg,
8575         store_field, expand_expr_real_1): Likewise.
8576
8577 2004-07-10  Richard Henderson  <rth@redhat.com>
8578
8579         * builtins.c (std_gimplify_va_arg_expr): Fix borked BIT_AND_EXPR.
8580
8581 2004-07-09  Mike Stump  <mrs@apple.com>
8582
8583         * config/darwin.c (no_dead_strip): Add.
8584         (HAVE_DEAD_STRIP): Add.
8585         (darwin_emit_unwind_label): Ensure that we don't dead code strip
8586         the .eh label.
8587
8588 2004-07-09  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
8589
8590         * tree-ssa-loop-im.c: New file.
8591         * Makefile.in (tree-ssa-loop-im.o): Add.
8592         * cfgloop.c (superloop_at_depth): New function.
8593         * cfgloop.h (superloop_at_depth): Declare.
8594         * common.opt (ftree-lim): New flag.
8595         * expr.c (array_ref_up_bound): New function.
8596         * params.def (PARAM_LIM_EXPENSIVE): New parameter.
8597         * timevar.def (TV_LIM): New timevar.
8598         * tree-dfa.c (compute_immediate_uses): Respect TDFA_USE flags when
8599         computing immediate uses of a phi node.
8600         * tree-flow.h (struct tree_ann_common_d): Add aux field.
8601         (loop_commit_inserts, for_each_index, tree_ssa_lim): Declare.
8602         * tree-optimize.c (init_tree_optimization_passes): Add pass_lim.
8603         * tree-pass.h (pass_lim): Declare.
8604         * tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im): New
8605         functions.
8606         (pass_lim): New pass structure.
8607         * tree-eh.c (tree_could_trap_p): Handle ARRAY_REFs correctly.
8608         * tree.c (in_array_bounds_p): New function.
8609         * tree.h (TREE_THIS_NOTRAP): Define also for ARRAY_REFs.
8610         (in_array_bounds_p, array_ref_up_bound): Declare.
8611         * doc/invoke.texi (-ftree-lim, --param lim-expensive): Document.
8612         * doc/passes.texi (tree-ssa-loop-im.c): Document.
8613
8614 2004-07-09  Richard Henderson  <rth@redhat.com>
8615
8616         * builtins.c (expand_builtin_stpcpy): Don't modify len.
8617
8618         * tree-ssa-ccp.c (ccp_fold_builtin): Strip conversion exprs
8619         with prejudice.
8620
8621 2004-07-10  Kelley Cook  <kcook@gcc.gnu.org>
8622
8623         * flags.h: Delete redundant prototypes that are being generated
8624         in options.h from common.opt.
8625         * common.opt: Add in the expository comments formerly in flags.h.
8626
8627 2004-07-09  Jan Beulich  <jbeulich@novell.com>
8628
8629         * config/i386/i386.c (init_cumulative_args): Set mmx/sse registers
8630         available for use only when TARGET_MMX/_SSE is set, and check for
8631         variable argument function if any register count is non-zero.
8632         (function_arg): Correctly suppress repeated warnings for passing SSE
8633         vectors are arguments without SSE enabled.
8634         (ix86_function_arg_boundary): Without SSE enabled, the use of what
8635         would be SSE register modes does no longer influence the alignment.
8636
8637 2004-07-09  Richard Henderson  <rth@redhat.com>
8638
8639         * builtins.c (std_gimplify_va_arg_expr): Deny ARGS_GROW_DOWNWARD.
8640         Always align upward to arg boundary.  Use size_in_bytes/round_up.
8641         Maintain type-correctness of constants.
8642         * stor-layout.c (round_up, round_down): Special-case powers of 2.
8643
8644 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
8645
8646         * config/sparc/sparc.c (*_costs): Scale instruction costs
8647         by COSTS_N_INSNS.
8648         (sparc_rtx_costs): Adjust as appropriate.
8649
8650 2004-07-09  Jan Beulich  <jbeulich@novell.com>
8651
8652         * config/i386/mm3dnow.h: New.
8653         * config.gcc: Add mm3dnow.h to extra_headers for i?86 and x86-64.
8654
8655 2004-07-09  Richard Henderson  <rth@redhat.com>
8656
8657         * simplify-rtx.c (simplify_const_relational_operation): Only
8658         look at bounds of scalar integers.
8659
8660 2004-07-09  Jan Beulich  <jbeulich@novell.com>
8661
8662         * config/i386/i386.md (sse2_clflush): Use correct operand for clflush.
8663
8664 2004-07-09  Andrew Pinski  <apinski@apple.com>
8665
8666         * objc/objc-act.c (build_module_descriptor): Mark UOBJC_MODULES_decl as
8667         always referenced.
8668         (synth_forward_declarations): Likewise for UOBJC_CLASS_decl and
8669         UOBJC_METACLASS_decl.
8670
8671 2004-07-09  James E Wilson  <wilson@specifixinc.com>
8672
8673         PR target/16364
8674         * config/ia64/ia64.c (ia64_function_arg): For a single element HFA,
8675         do return a parallel if hfa_mode == XFmode and mode == TImode.
8676
8677 2004-07-09  Jan Beulich  <jbeulich@novell.com>
8678
8679         * c-typeck.c (build_unary_op): include VECTOR_TYPE in set of codes
8680         permissible for unary plus.
8681
8682 2004-07-09  Jan Beulich  <jbeulich@novell.com>
8683
8684         * builtin-types.def (BT_UINT): Rename from BT_UNSIGNED.
8685         (BT_FN_UINT): Rename from BT_FN_UNSIGNED.
8686         (BT_FN_PTR_UINT): Rename from BT_FN_PTR_UNSIGNED.
8687         (BT_ULONG, BT_ULONGLONG, BT_UINTMAX, BT_FN_INT_UINT, BT_FN_INT_ULONG,
8688         BT_FN_INT_ULONGLONG, BT_FN_INT_INTMAX, BT_FN_INT_UINTMAX): New.
8689         * builtins.def (BUILTIN_CLZxxx, BUILTIN_CTXxxx, BUILTIN_PARITYxxx,
8690         BUILTIN_POPCOUNTxxx): Arguments are unsigned.
8691         (BUILTIN_xxxIMAX): New.
8692         * builtins.c (expand_builtin): Handle BUILT_IN_FFSIMAX,
8693         BUILT_IN_CLZIMAX, BUILT_IN_CTZIMAX, BUILT_IN_POPCOUNIMAX, and
8694         BUILT_IN_PARITYIMAX.
8695
8696 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
8697
8698         * config/sparc/sparc.h (processor_costs): Define.
8699         (sparc_costs): Declare.
8700         * config/sparc/sparc.c (cypress_costs, supersparc_costs,
8701         hypersparc_costs, sparclet_costs, ultrasparc_costs,
8702         ultrasparc3_costs): New.
8703         (sparc_override_options): Set sparc_costs as appropriate.
8704         (sparc_rtx_costs): Use sparc_costs instead of messy
8705         conditionals.
8706
8707 2004-07-09  Steven Bosscher  <stevenb@suse.de>
8708
8709         * doc/md.texi (Processor pipeline description): Mention that
8710         the old pipeline description is deprecated.
8711
8712         * config/rs6000/7450.md (automaton ppc7450): Split up, move
8713         mciu_7450 function unit to...
8714         (automaton ppc7450mciu): ...new automaton.
8715
8716         * haifa-sched.c (insert_schedule_bubbles_p): Remove.
8717         (schedule_block): Don't consider inserting bubbles.
8718         (sched_init): Don't initialize DFA bubbles.
8719         * target-def.h (TARGET_SCHED_INIT_DFA_BUBBLES,
8720         TARGET_SCHED_DFA_BUBBLE): Remove.
8721         * target.h (init_dfa_bubbles, dfa_bubble): Remove hooks.
8722         * doc/tm.texi (TARGET_SCHED_INIT_DFA_BUBBLES,
8723         TARGET_SCHED_DFA_BUBBLE): Remove documentation.
8724
8725         * stmt.c (conditional_context): Remove prototype.
8726         * tree.h (conditional_context): Remove.
8727         * tree-cfg.c (pre_insert_on_edge): Remove.
8728
8729         * c-common.h (c_expand_asm_operands): Remove prototype.
8730         * c-typeck.c (c_expand_asm_operands): Remove.
8731
8732 2004-07-09  Jan Beulich  <jbeulich@novell.com>
8733
8734         * config/i386/i386.c (classify_argument): Treat V1xx modes the same as
8735         their base modes. CTImode, TCmode, and XCmode must be passed in memory.
8736         TFmode (__float128) must be is an SSE/SSEUP pair. V2SImode, V4HImode,
8737         and V8QI are class SSE. All sufficiently small remaining vector modes
8738         must be passed in one or two integer registers.
8739         (ix86_libcall_value): TFmode must be returned in xmm0, XCmode must be
8740         returned in memory.
8741         (bdesc_2arg, ix86_init_mmx_sse_builtins): __builtin_ia32_pmuludq and
8742         __builtin_ia32_pmuludq128 have non-uniform argument and return types
8743         and must thus be handled explicitly.
8744         * config/i386/i386.md (*movdi_1_rex64): Add cases for moving between
8745         MMX and XMM regs.
8746         (movv8qi_internal, movv4hi_internal, movv2si_internal,
8747         movv2sf_internal): Permit moving between MMX and XMM registers (since
8748         MMX areguments and return values are passed in XMM registers).
8749         (sse2_umulsidi3): Correct type and mode.
8750
8751 2004-07-09  Richard Henderson  <rth@redhat.com>
8752
8753         * tree-cfg.c (dump_cfg_stats): Fix 64-bit format mismatch errors.
8754
8755 2004-07-09  Eric Christopher  <echristo@redhat.com>
8756
8757         * config/rs6000/40x.md: Split into two automatons.
8758
8759 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
8760             Andrew Pinski  <apinski@apple.com>
8761
8762         * c-opts.c (c_common_post_options): Force unit-at-a-time mode
8763         on when we have more than one input file.
8764         (c_common_parse_file): Restore loop over all input files.
8765         Clarify diagnostic for -dy when YYDEBUG wasn't defined.
8766
8767         * c-decl.c (set_type_context): New function.
8768         (pop_scope): Use it to set context of types.  When we
8769         encounter a TYPE_DECL, set the context of the attached type too.
8770         (pop_file_scope): Don't call cpp_undef_all here.
8771         (diagnose_mismatched_decls): Do not complain about a second
8772         definition of an 'extern inline' function if it's not in the
8773         same translation unit.  Do not complain about inline
8774         declaration after use if the use was in a different
8775         translation unit.
8776         (merge_decls): Don't clobber olddecl's DECL_CONTEXT.
8777         (pushdecl): Do not put DECL_EXTERNAL, !TREE_PUBLIC decls in
8778         the external scope.
8779         (pushdecl_top_level): Likewise.
8780         (grokdeclarator): Clarify what is going on with setting
8781         DECL_EXTERNAL on function types, a little.
8782         (c_write_global_declarations): Don't do anything if
8783         -fsyntax-only or errors have been encountered.
8784
8785 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
8786
8787         * vec.c, vec.h (vec_assert_fail): Use unsigned int for LINE argument.
8788
8789 2004-07-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8790
8791         PR target/16459
8792         * pa.c (output_indirect_call): Use %r2 as the link register when
8793         calling $$dyncall with a pc-relative branch.
8794
8795 2004-07-08  Gerald Pfeifer  <gerald@pfeifer.com>
8796
8797         * doc/install.texi (Binaries): Mention OpenPKG.
8798
8799 2004-07-09  Diego Novillo  <dnovillo@redhat.com>
8800
8801         Fix PR tree-optimization/15555
8802         * tree-dfa.c (dump_variable): If the variable is a pointer
8803         SSA_NAME, also dump its points-to information.
8804         * tree-flow.h (struct ptr_info_def): Add field
8805         is_dereferenced.
8806         (dump_points_to_info_for): Declare.
8807         (debug_points_to_info_for): Declare.
8808         * tree-optimize.c (init_tree_optimization_passes): Add a
8809         second alias analysis pass after DOM2.
8810         Move pass_del_pta to a later spot.
8811         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Do not
8812         create a name tags when we find a dereferenced pointer.  Just
8813         mark the pointer dereferenced.
8814         (collect_points_to_info_for): Move code to clear points-to
8815         information to create_name_tags.
8816         (create_name_tags): New function.
8817         (compute_flow_sensitive_aliasing): Call it.
8818         (setup_pointers_and_addressables): Mark type tags for renaming
8819         here instead of ...
8820         (create_memory_tag): ... here.
8821         (merge_pointed_to_info): Do not merge PT_MALLOC attributes.
8822         (dump_points_to_info_for): Declare extern.
8823         (debug_points_to_info_for): New function.
8824
8825 2004-07-09  Paolo Bonzini  <bonzini@gnu.org>
8826
8827         * config/arc/arc.md: Switch to DFA-based scheduler description.
8828         * config/arc/arc.c: Switch to DFA-based scheduler description.
8829
8830 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
8831
8832         * arm/unknown-elf.h (TARGET_DEFAULT): Don't require an APCS frame
8833         pointer.
8834
8835 2004-07-09  Richard Henderson  <rth@redhat.com>
8836
8837         * config/xtensa/xtensa-protos.h (xtensa_va_arg): Remove.
8838         * config/xtensa/xtensa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8839         (xtensa_gimplify_va_arg_expr): Rewrite from xtensa_va_arg.
8840         * config/xtensa/xtensa.h (EXPAND_BUILTIN_VA_ARG): Remove.
8841
8842         * config/v850/v850-protos.h (v850_va_arg): Remove.
8843         * config/v850/v850.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8844         (v850_gimplify_va_arg_expr): Rewrite from v850_va_arg.
8845         * config/v850/v850.h (EXPAND_BUILTIN_VA_ARG): Remove.
8846         (FUNCTION_ARG_PASS_BY_REFERENCE): Handle variable size types.
8847         (FUNCTION_ARG_CALLEE_COPIES): Use FUNCTION_ARG_PASS_BY_REFERENCE.
8848
8849 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
8850
8851         PR target/12133
8852         * arm.c (arm_legitimate_index_p) Allow DFmode for soft-float
8853         and DImode to use +/-4k offset.
8854
8855 2004-07-09  Richard Henderson  <rth@redhat.com>
8856
8857         * config/stormy16/stormy16-protos.h (xstormy16_expand_builtin_va_arg):
8858         Remove.
8859         * config/stormy16/stormy16.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8860         (xstormy16_gimplify_va_arg_expr): Rewrite from
8861         xstormy16_expand_builtin_va_arg.
8862         * config/stormy16/stormy16.h (EXPAND_BUILTIN_VA_ARG): Remove.
8863
8864         * config/sparc/sparc-protos.h (sparc_va_arg): Remove.
8865         * config/sparc/sparc.c (sparc_gimplify_va_arg): Mark static.
8866
8867         * config/sh/sh-protos.h (sh_va_arg): Remove.
8868         * config/sh/sh.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8869         (sh_gimplify_va_arg_expr): Rewrite from sh_va_arg.
8870         * config/sh/sh.h (EXPAND_BUILTIN_VA_ARG): Remove.
8871
8872         * config/pa/pa-protos.h (hppa_va_arg): Remove.
8873         * config/pa/pa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8874         (hppa_gimplify_va_arg_expr): Rewrite from hppa_va_arg.
8875         * config/pa/pa.h (EXPAND_BUILTIN_VA_ARG): Remove.
8876
8877         * config/mn10300/mn10300-protos.h (mn10300_va_arg): Remove.
8878         * config/mn10300/mn10300.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8879         (mn10300_gimplify_va_arg_expr): Rewrite from mn10300_va_arg.
8880         * config/mn10300/mn10300.h (EXPAND_BUILTIN_VA_ARG): Remove.
8881
8882 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
8883
8884         * config/sparc/sparc.md (return): Rewrite length formula.
8885         * config/sparc/sparc.c (output_return): Pass 1 as 5th
8886         argument to final_scan_insn when in a delay slot.
8887         (output_sibcall): Likewise.
8888
8889 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
8890
8891         * arm.c (arm_cpp_interwork): New variable.
8892         (arm_override_options): Set it if TARGET_INTERWORK was on the command
8893         line.
8894         * arm.h (arm_cpp_interwork): Declare it.
8895         (TARGET_CPU_CPP_BUILTINS): Use it to control definition of
8896         __THUMB_INTERWORK__ in the preprocessor.
8897
8898 2004-07-09  Nathan Sidwell  <nathan@codesourcery.com>
8899
8900         * vec.h (VEC_T_alloc): Fix MEM_STAT_DECL pasto.
8901
8902 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
8903
8904         PR target/16416
8905         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): New macro.
8906         Override default settings to account for -m32 and -m64.
8907
8908 2004-07-08  Randolph Chung  <tausq@debian.org>
8909
8910         * pa32-linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
8911
8912 2004-07-09  Alexandre Oliva  <aoliva@redhat.com>
8913
8914         * builtins.c (fold_builtin_strncpy): Make sure len is a constant
8915         before comparing it as such.
8916
8917 2004-07-08  Richard Henderson  <rth@redhat.com>
8918
8919         * builtins.c (std_gimplify_va_arg_expr): Hoist valist into a
8920         temporary.  Use bit arithmetic to align.
8921
8922 2004-07-08  Jerry Quinn  <jlquinn@optonline.net>
8923
8924         * alias.c (nonlocal_mentioned_p, nonlocal_referenced_p,
8925         nonlocal_set_p, init_alias_analysis): Use, LABEL_P, JUMP_P, CALL_P,
8926         NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
8927         * bb-reorder.c (mark_bb_for_unlikely_executed_section,
8928         add_labels_and_missing_jumps, find_jump_block,
8929         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
8930         Likewise.
8931         * bt-load.c (btr_referenced_p, compute_defs_uses_and_gen,
8932         link_btr_uses, move_btr_def): Likewise.
8933         * builtins.c (expand_builtin_longjmp, expand_builtin_nonlocal_goto,
8934         expand_builtin_expect_jump): Likewise.
8935         * caller-save.c (save_call_clobbered_regs, insert_one_insn): Likewise.
8936         * calls.c (expand_call, emit_library_call_value_1): Likewise.
8937         * cfganal.c (forwarder_block_p): Likewise.
8938         * cfgbuild.c (inside_basic_block_p, count_basic_blocks,
8939         make_label_edge, rtl_make_eh_edge, make_edges, find_basic_blocks_1,
8940         find_bb_boundaries): Likewise.
8941         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
8942         merge_blocks_move_predecessor_nojumps,
8943         merge_blocks_move_successor_nojumps, insns_match_p,
8944         flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
8945         try_optimize_cfg): Likewise.
8946         * cfgexpand.c (expand_block, construct_exit_block): Likewise.
8947         * cfglayout.c (skip_insns_after_block, label_for_bb,
8948         record_effective_endpoints, insn_locators_initialize,
8949         fixup_reorder_chain, update_unlikely_executed_notes): Likewise.
8950         * cfgmainloop.c (create_loop_notes): Likewise.
8951         * cfgrtl.c (delete_insn, delete_insn_chain,
8952         create_basic_block_structure, rtl_delete_block, free_bb_for_insn,
8953         update_bb_for_insn, rtl_merge_blocks, rtl_can_merge_blocks,
8954         block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
8955         redirect_branch_edge, force_nonfallthru_and_redirect,
8956         rtl_tidy_fallthru_edge, back_edge_of_syntactic_loop_p,
8957         rtl_split_edge, commit_one_edge_insertion, print_rtl_with_bb,
8958         update_br_prob_note, rtl_verify_flow_info_1, rtl_verify_flow_info,
8959         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
8960         cfg_layout_delete_block, cfg_layout_can_merge_blocks_p,
8961         cfg_layout_merge_blocks, rtl_block_ends_with_call_p,
8962         need_fake_edge_p, rtl_flow_call_edges_add): Likewise.
8963         * combine.c (combine_instructions, can_combine_p, try_combine,
8964         find_split_point, record_dead_and_set_regs, reg_dead_at_p,
8965         distribute_notes, distribute_links, insn_cuid): Likewise.
8966         * cse.c (fold_rtx, cse_insn, cse_around_loop,
8967         invalidate_skipped_block, cse_set_around_loop,
8968         cse_end_of_basic_block, cse_main, cse_basic_block,
8969         cse_condition_code_reg): Likewise.
8970         * cselib.c (cselib_process_insn): Likewise.
8971         * ddg.c (create_ddg): Likewise.
8972         * df.c (df_insn_refs_record, df_bb_rd_local_compute, df_insns_modify):
8973         Likewise.
8974         * dwarf2out.c (dwarf2out_stack_adjust, dwarf2out_frame_debug,
8975         gen_label_die, dwarf2out_var_location): Likewise.
8976         * emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn,
8977         next_insn, previous_insn, next_nonnote_insn, prev_nonnote_insn,
8978         last_call_insn, active_insn_p, next_label, prev_label,
8979         link_cc0_insns, next_cc0_user, try_split, add_insn_after,
8980         add_insn_before, remove_insn, add_function_usage_to,
8981         reorder_insns, find_line_note, remove_unnecessary_notes,
8982         emit_insn_after_1, classify_insn): Likewise.
8983         * except.c (convert_from_eh_region_ranges_1, emit_to_new_bb_before,
8984         connect_post_landing_pads, sjlj_mark_call_sites,
8985         sjlj_emit_function_enter, sjlj_emit_function_exit, reachable_handlers,
8986         can_throw_internal, can_throw_external, set_nothrow_function_flags,
8987         convert_to_eh_region_ranges): Likewise.
8988         * explow.c (optimize_save_area_alloca): Likewise.
8989         * expr.c (expand_expr_real): Likewise.
8990         * final.c (insn_current_reference_address, compute_alignments,
8991         shorten_branches, final, scan_ahead_for_unlikely_executed_note,
8992         final_scan_insn, output_asm_label, leaf_function_p): Likewise.
8993         * flow.c (first_insn_after_basic_block_note, delete_dead_jumptables,
8994         propagate_block_delete_insn, propagate_one_insn,
8995         init_propagate_block_info, propagate_block, libcall_dead_p,
8996         mark_set_1, attempt_auto_inc, find_auto_inc, try_pre_increment):
8997         Likewise.
8998         * function.c (instantiate_virtual_regs, reorder_blocks_1,
8999         expand_function_start, expand_function_end, contains,
9000         thread_prologue_and_epilogue_insns,
9001         reposition_prologue_and_epilogue_notes): Likewise.
9002         * gcse.c (constprop_register, bypass_conditional_jumps,
9003         insert_insn_end_bb, gcse_after_reload): Likewise.
9004         * genemit.c (gen_expand, gen_split): Likewise.
9005         * genpeep.c (gen_peephole, main): Likewise.
9006         * global.c (build_insn_chain): Likewise.
9007         * graph.c (node_data, print_rtl_graph_with_bb): Likewise.
9008         * haifa-sched.c (unlink_other_notes, unlink_line_notes,
9009         get_block_head_tail, no_real_insns_p, rm_line_notes, save_line_notes,
9010         restore_line_notes, rm_redundant_line_notes, rm_other_notes,
9011         ok_for_early_queue_removal, set_priorities, sched_init): Likewise.
9012         * ifcvt.c (count_bb_insns, first_active_insn, last_active_insn,
9013         cond_exec_process_insns, end_ifcvt_sequence, noce_process_if_block,
9014         merge_if_block, block_jumps_and_fallthru_p, find_if_block,
9015         dead_or_predicable): Likewise.
9016         * integrate.c (try_constants): Likewise.
9017         * jump.c (rebuild_jump_labels, cleanup_barriers,
9018         purge_line_number_notes, init_label_info, mark_all_labels,
9019         squeeze_notes, get_label_before, get_label_after,
9020         reversed_comparison_code_parts, simplejump_p, pc_set,
9021         returnjump_p, onlyjump_p, follow_jumps, mark_jump_label,
9022         delete_barrier, delete_prior_computation, delete_computation,
9023         delete_related_insns, delete_for_peephole, redirect_jump):
9024         Likewise.
9025         * lcm.c (optimize_mode_switching): Likewise.
9026         * local-alloc.c (validate_equiv_mem, update_equiv_regs, block_alloc):
9027         Likewise.
9028         * loop-doloop.c (doloop_valid_p, doloop_optimize): Likewise.
9029         * loop-invariant.c (find_exits, find_invariants_bb): Likewise.
9030         * loop-iv.c (simplify_using_assignment): Likewise.
9031         * loop.c (compute_luids, loop_optimize, scan_loop, libcall_other_reg,
9032         libcall_benefit, skip_consec_insns, move_movables, prescan_loop,
9033         find_and_verify_loops, labels_in_range_p, for_each_insn_in_loop,
9034         loop_bivs_init_find, strength_reduce, check_insn_for_bivs,
9035         check_insn_for_givs, check_final_value, update_giv_derive,
9036         basic_induction_var, product_cheap_p, check_dbra_loop,
9037         loop_insn_first_p, last_use_this_basic_block,
9038         canonicalize_condition, get_condition, loop_regs_scan, load_mems,
9039         try_copy_prop, LOOP_BLOCK_NUM, loop_dump_aux): Likewise.
9040         * modulo-sched.c (doloop_register_get, find_line_note, sms_schedule,
9041         sms_schedule_by_order): Likewise.
9042         * optabs.c (emit_no_conflict_block, emit_libcall_block): Likewise.
9043         * postreload.c (reload_cse_simplify_operands, reload_combine,
9044         reload_cse_move2add): Likewise.
9045         * predict.c (can_predict_insn_p, estimate_probability,
9046         expected_value_to_br_prob, process_note_predictions): Likewise.
9047         * print-rtl.c (print_rtx, print_rtl, print_rtl_single): Likewise.
9048         * profile.c (branch_prob): Likewise.
9049         * ra-build.c (live_out_1, livethrough_conflicts_bb,
9050         detect_webs_set_in_cond_jump): Likewise.
9051         * ra-debug.c (ra_print_rtx_object, ra_debug_insns,
9052         ra_print_rtl_with_bb): Likewise.
9053         * ra-rewrite.c (insert_stores, rewrite_program2): Likewise.
9054         * recog.c (next_insn_tests_no_inequality, find_single_use,
9055         split_all_insns, peephole2_optimize, if_test_bypass_p): Likewise.
9056         * reg-stack.c (next_flags_user, record_label_references,
9057         emit_swap_insn, swap_rtx_condition, subst_stack_regs,
9058         compensate_edge, convert_regs_1): Likewise.
9059         * regclass.c (scan_one_insn): Likewise.
9060         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
9061         regmove_optimize, fixup_match_1, single_set_for_csa,
9062         combine_stack_adjustments_for_block): Likewise.
9063         * regrename.c (build_def_use, copyprop_hardreg_forward_1): Likewise.
9064         * reload.c (find_reloads, find_reloads_address_1, subst_reloads,
9065         find_equiv_reg): Likewise.
9066         * reload1.c (reload, calculate_needs_all_insns, set_label_offsets,
9067         reload_as_needed, emit_input_reload_insns, do_output_reload,
9068         delete_output_reload, delete_address_reloads_1, fixup_abnormal_edges):
9069         Likewise.
9070         * reorg.c (find_end_label, emit_delay_sequence,
9071         delete_from_delay_slot, delete_scheduled_jump, optimize_skip,
9072         get_jump_flags, rare_destination, mostly_true_jump,
9073         try_merge_delay_insns, redundant_insn, own_thread_p,
9074         fill_simple_delay_slots, fill_slots_from_thread,
9075         fill_eager_delay_slots, relax_delay_slots, make_return_insns,
9076         dbr_schedule): Likewise.
9077         * resource.c (find_basic_block, next_insn_no_annul,
9078         find_dead_or_set_registers, mark_target_live_regs): Likewise.
9079         * rtl.h (RTX_PREV): Likewise.
9080         * rtlanal.c (global_reg_mentioned_p, no_labels_between_p,
9081         no_jumps_between_p, reg_used_between_p, reg_referenced_between_p,
9082         reg_set_p, find_last_value, dead_or_set_regno_p, find_reg_fusage,
9083         find_regno_fusage, pure_call_p, replace_label, rtx_referenced_p_1,
9084         tablejump_p, computed_jump_p, insns_safe_to_move_p,
9085         find_first_parameter_load, can_hoist_insn_p): Likewise.
9086         * sched-deps.c (get_condition, add_dependence, sched_analyze_2,
9087         sched_analyze_insn, sched_analyze, add_forward_dependence): Likewise.
9088         * sched-ebb.c (fix_basic_block_boundaries, add_deps_for_risky_insns,
9089         schedule_ebbs): Likewise.
9090         * sched-rgn.c (is_cfg_nonregular, find_conditional_protection,
9091         is_conditionally_protected, can_schedule_ready_p,
9092         add_branch_dependences, debug_dependencies): Likewise.
9093         * stmt.c (emit_nop, expand_start_case, emit_jump_if_reachable):
9094         Likewise.
9095         * unroll.c (unroll_loop, copy_loop_body, back_branch_in_range_p,
9096         reg_dead_after_loop, loop_find_equiv_value, loop_iterations,
9097         set_dominates_use, ujump_to_loop_cont): Likewise.
9098         * var-tracking.c (prologue_stack_adjust, vt_initialize): Likewise.
9099         * varasm.c (output_constant_pool_1): Likewise.
9100
9101 2004-07-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
9102
9103         * tree-scalar-evolution.c: New file.
9104         * tree-scalar-evolution.h: New file.
9105         * tree-ssa-loop-niter.c: New file.
9106         * Makefile.in (SCEV_H): New.
9107         (tree-scalar-evolution.o, tree-ssa-loop-niter.o): Add new files.
9108         * cfgloop.h (struct loop): Add bounds field.
9109         * tree-flow.h (struct tree_niter_desc): New type.
9110         (number_of_iterations_cond, number_of_iterations_exit,
9111         loop_niter_by_eval, find_loop_niter_by_eval,
9112         estimate_numbers_of_iterations, can_count_iv_in_wider_type,
9113         free_numbers_of_iterations_estimates): Declare.
9114         * tree.h (lower_bound_in_type, upper_bound_in_type): Declare.
9115         * params.def (PARAM_MAX_ITERATIONS_TO_TRACK): New parameter.
9116         * doc/invoke.texi (max-iterations-to-track): Document.
9117
9118 2004-07-08  Kaz Kojima  <kkojima@gcc.gnu.org>
9119
9120         * config/sh/sh.c (sh_va_arg): Initinalize lab_over.
9121         * config/sh/sh.h (CONST_OK_FOR_J16): Use parentheses.
9122         (MODE_AFTER): Add cast appropriately.
9123         * config/sh/sh.md (movdi splitter): Likewise.
9124         (casesi_worker_2): Add const qualifier appropriately.
9125         (eh_return): Remove unused variable.
9126         (insv): Initialize v;
9127
9128 2004-07-08  Richard Henderson  <rth@redhat.com>
9129
9130         * config/mmix/mmix-protos.h (mmix_expand_builtin_va_arg): Remove.
9131         * config/mmix/mmix.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9132         (mmix_gimplify_va_arg_expr): Rewrite from mmix_expand_builtin_va_arg.
9133         * config/mmix/mmix.h (EXPAND_BUILTIN_VA_ARG): Remove.
9134         (FRAME_POINTER_REQUIRED): Use current_function_has_nonlocal_label.
9135
9136         * config/m32r/m32r-protos.h (m32r_va_arg): Remove.
9137         * config/m32r/m32r.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9138         (m32r_gimplify_va_arg_expr): Rewrite from m32r_va_arg.
9139         * config/m32r/m32r.h (EXPAND_BUILTIN_VA_ARG): Remove.
9140
9141         * config/iq2000/iq2000-protos.h (iq2000_va_arg): Remove.
9142         * config/iq2000/iq2000.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9143         (iq2000_gimplify_va_arg_expr): Rewrite from iq2000_va_arg.
9144         * config/iq2000/iq2000.h (EXPAND_BUILTIN_VA_ARG): Remove.
9145
9146         * config/frv/frv-protos.h (frv_expand_builtin_va_arg): Remove.
9147         * config/frv/frv.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9148         (frv_gimplify_va_arg_expr): Rewrite from frv_expand_builtin_va_arg.
9149         * config/frv/frv.h (EXPAND_BUILTIN_VA_ARG): Remove.
9150
9151         * config/i860/i860-protos.h (i860_va_arg): Remove.
9152         * config/i860/i860.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9153         (i860_gimplify_va_arg_expr): Rewrite from i860_va_arg.
9154         * config/i860/i860.h (EXPAND_BUILTIN_VA_ARG): Remove.
9155
9156 2004-05-31  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
9157
9158         * system.h: Prototype getpagesize if missing.
9159         * configure.ac: Add getpagesize to gcc_AC_CHECK_DECLS.
9160         * configure: Regenerate.
9161         * config.in: Regenerate.
9162
9163 2004-07-08  Richard Henderson  <rth@redhat.com>
9164
9165         * config/fr30/fr30-protos.h (fr30_va_arg): Remove.
9166         * config/fr30/fr30.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9167         (fr30_gimplify_va_arg_expr): New.
9168         (fr30_pass_by_reference, fr30_pass_by_value, fr30_va_arg): Remove.
9169         * config/fr30/fr30.h (EXPAND_BUILTIN_VA_ARG): Remove.
9170
9171 2004-07-08  Vladimir Makarov  <vmakarov@redhat.com>
9172
9173         PR target/16414
9174         * config/ia64/ia64.c (ia64_dfa_new_cycle): Fix typo in comparison
9175         of asm_noperands result.
9176
9177 2004-07-08  Richard Henderson  <rth@redhat.com>
9178
9179         * config/cris/cris-protos.h (cris_expand_builtin_va_arg): Remove.
9180         * config/cris/cris.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9181         (cris_gimplify_va_arg_expr): Rewrite from cris_expand_builtin_va_arg.
9182         * config/cris/cris.h (EXPAND_BUILTIN_VA_ARG): Remove.
9183
9184 2004-07-08  Richard Henderson  <rth@redhat.com>
9185
9186         * builtins.c (ind_gimplify_va_arg_expr): New.
9187         * tree.h (ind_gimplify_va_arg_expr): Declare.
9188         * config/arc/arc.c (arc_gimplify_va_arg_expr): Use it.
9189
9190 2004-07-08  Jan Beulich  <jbeulich@novell.com>
9191
9192         * expmed.c (extract_bit_field): Correct condition to use vec_extract
9193         patterns also on vector elements other than the first one.
9194         * config/i386/i386.md (vec_extractv2df, vec_extractv4sf): Add missing
9195         break statements.
9196
9197 2004-07-08  Geoffrey Keating  <geoffk@apple.com>
9198
9199         * config/rs6000/darwin-ldouble.c: Correct reference
9200         to the Linnainmaa paper.
9201
9202 2004-07-08  Richard Henderson  <rth@redhat.com>
9203
9204         * config/arc/arc-protos.h (arc_va_arg): Remove.
9205         * config/arc/arc.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9206         (arc_gimplify_va_arg_expr): Rewrite from arc_va_arg.
9207         * config/arc/arc.h (EXPAND_BUILTIN_VA_ARG): Remove.
9208
9209         * config/c4x/c4x-protos.h (c4x_va_arg): Remove.
9210         * config/c4x/c4x.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9211         (c4x_gimplify_va_arg_expr): Rewrite from c4x_va_arg.
9212         * config/c4x/c4x.h (EXPAND_BUILTIN_VA_ARG): Remove.
9213
9214 2004-07-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9215
9216         * pa.md (prefetch_32, prefetch_64): Simplify constraint checks.
9217
9218 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
9219
9220         * c-decl.c (static_ctors, static_dtors): Make static.
9221         (pop_file_scope): Call c_common_write_pch and
9222         cgraph_finalize_compilation_unit here.
9223         (build_cdtor): Moved here from c-objc-common.c; simplify.
9224         (c_write_global_declarations_1): Clarify comment.
9225         (c_write_global_declarations): Close the external scope before
9226         doing anything else.  Call build_cdtor, cgraph_optimize, and
9227         mudflap_finish_file here.
9228         * c-lang.c (finish_file): Don't call c_objc_common_finish_file.
9229         Clarify comment.
9230         * c-objc-common.c: No need to include cgraph.h.
9231         (build_cdtor): Moved to c-decl.c.
9232         (c_objc_common_finish_file): Delete.
9233         * c-tree.h: Update to match.
9234         * objc/objc-act.c (finish_file): Don't call c_objc_common_finish_file.
9235         (generate_static_references): Set TREE_USED before calling finish_decl.
9236         Eliminate unnecessary dummy declaration.  Call rest_of_decl_compilation
9237         on the static_instances_decl.
9238
9239 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
9240
9241         * c-decl.c (pop_scope): Do not set DECL_CONTEXT on file-scope
9242         decls when there is only one input translation unit.
9243         * langhooks.c (lhd_set_decl_assembler_name): Partially revert
9244         change of 2004-07-05; do not treat declarations with
9245         DECL_CONTEXT a TRANSLATION_UNIT_DECL specially.
9246         * opts.c (cur_in_fname): Delete.
9247         * opts.h: Likewise.
9248         * tree.c: Revert changes of 2004-07-05; no special treatment
9249         for TRANSLATION_UNIT_DECLs.
9250         * Makefile.in (tree.o): Update dependencies.
9251
9252 2004-07-08  Roger Sayle  <roger@eyesopen.com>
9253
9254         * builtins.c (fold_builtin_strcpy): Merge functionality from
9255         simplify_builtin_strcpy.  Add additional len argument.  No longer
9256         static.  Remove function prototype.
9257         (fold_builtin_strncpy): Likewise integrate functionality from
9258         simplify_builtin_strncpy.  Add additional slen argument.  No
9259         longer static.  Remove function prototype.
9260         (simplify_builtin_strcy, simplify_builtin_strncpy): Delete.
9261         (simplify_builtin_fputs): Rename to fold_builtin_fputs.  Change
9262         types of "ignore" and "unlocked" parameters to bool.
9263         (fold_builtin_1):  Add additional ignore argument.  Call renamed
9264         fold_builtin_fputs to simplify GCC "fputs" and "fputs_unlocked"
9265         builtins.  Update arguments to fold_builtin_strncpy and
9266         fold_builtin_strcpy.  Add function prototype.
9267         (fold_builtin): Add additional Boolean ignore argument to pass
9268         to fold_builtin_1.
9269         (simplify_builtin): Call fold_builtin_fputs, fold_builtin_strcpy
9270         and fold_builtin_strncpy instead of simplify_builtin_fputs,
9271         simplify_builtin_strcpy and simplify_builtin_strncpy respectively.
9272
9273         * expr.h (simplify_builtin_fputs, simplify_builtin_strcpy,
9274         simplify_builtin_strncpy): Delete function prototypes.
9275         * tree.h (fold_builtin_fputs, fold_builtin_strcpy,
9276         fold_builtin_strncpy): Add function prototypes here.
9277         (fold_builtin): Update function prototype with new "bool ignore".
9278
9279         * tree-ssa-ccp.c (ccp_fold): Update call to fold_builtin.
9280         (ccp_fold_builtin):  Update call to fold_builtin.  Call
9281         fold_builtin_fputs, fold_builtin_strcpy and fold_builtin_strncpy
9282         instead of simplify_builtin_fputs, simplify_builtin_strcpy and
9283         simplify_builtin_strncpy respectively.
9284         * fold-const.c (fold): Update call to fold_builtin.
9285
9286 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
9287
9288         * builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy
9289         to strcpy.
9290
9291         * expr.h (FUNCTION_ARG_PARTIAL_NREGS): Default to 0.
9292         (FUNCTION_ARG_PASS_BY_REFERENCE): Likewise.
9293         (FUNCTION_ARG_CALLEE_COPIES): Likewise.
9294         * calls.c: Remove ifdefs of macros above.
9295         * functions.c: Likewise.
9296         * expr.c: Likewise.
9297
9298 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
9299
9300         * config/sparc/sparc.md (UNSPECV_GOTO_V9): Delete.
9301         (arch attribute): Delete.
9302         (current_function_calls_alloca attribute): Rename into calls_alloca.
9303         (calls_eh_return): New attribute.
9304         (leaf_function): Likewise.
9305         (length attribute): Fix formula for sibcalls.
9306         (return insn): Correctly compute the 'length' attribute.
9307         (do_builtin_setjmp_setup): Adjust use of current_function_calls_alloca.
9308
9309 2004-07-08  Richard Henderson  <rth@redhat.com>
9310
9311         * tree-cfg.c (make_exit_edges): Use get_call_expr_in.
9312         (remove_useless_stmts_1, is_ctrl_altering_stmt): Likewise.
9313         (tree_block_ends_with_call_p, need_fake_edge_p): Likewise.
9314         * tree-eh.c (lower_eh_constructs_1): Likewise.
9315         * tree-sra.c (sra_walk_modify_expr): Likewise.
9316         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
9317         (eliminate_unnecessary_stmts): Likewise.
9318         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
9319         * tree-tailcall.c (optimize_tail_call): Likewise.
9320         * tree-ssa-ccp.c (get_rhs, set_rhs): Reorg to use switch.
9321
9322 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
9323             Jakub Jelinek  <jakub@redhat.com>
9324
9325         * config/i386/i386.c (override_options): Enable
9326         SSE prefetches with -mtune, as long as we are
9327         compiling for i686 or higher.  All i686 processors
9328         accept SSE prefetches as NOPS, some i586's don't.
9329
9330 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
9331
9332         PR target/10567
9333         * config/sparc/sparc.md (update_return): Honor flag_delayed_branch.
9334
9335 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
9336
9337         * tree-ssa-operands.c (get_asm_expr_operands): Fix thinkos in
9338         the handling of clobbering ASM_EXPRs.
9339
9340 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
9341
9342         PR target/16430
9343         * config/sparc/sparc.c (function_value): In 64-bit mode,
9344         return the aggregates larger than 16 bytes like unions.
9345
9346 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
9347
9348         PR target/16199
9349         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): When
9350         'temp' is zero, generate new pseudos as needed and emit the
9351         sequence of insns in single-assignment form.  Resync comments
9352         with code.
9353         (sparc_emit_set_const64): Pass zero as 'temp' argument to above
9354         function before reload.
9355
9356 2004-07-08  Nathan Sidwell  <nathan@codesourcery.com>
9357
9358         * vec.c (vec_assert_fail): Remove duplicate 'function'.
9359
9360         * vec.c (vec_p_reserve, vec_o_reserve): Allocation is signed.
9361
9362         * vec.h (VEC_alloc, VEC_embedded_size, VEC_embedded_init):
9363         Allocation is signed.
9364         (VEC_reserve): Return flag, allocation is signed.
9365
9366 2004-07-08  Richard Henderson  <rth@redhat.com>
9367
9368         * tree-ssa-ccp.c (fold_stmt): Get type directly from
9369         OBJ_TYPE_REF_OBJECT.
9370
9371 2004-07-08  Joseph S. Myers  <jsm@polyomino.org.uk>
9372             Neil Booth  <neil@daikokuya.co.uk>
9373
9374         PR c/2511
9375         PR c/3325
9376         * c-decl.c (finish_struct): Ensure bit-fields are given the
9377         correct type.
9378         * c-common.c (c_common_signed_or_unsigned_type): For C, require
9379         the precision to match as well as the mode.
9380         * expr.c (reduce_to_bit_field_precision): New function.
9381         (expand_expr_real_1): Reduce expressions of bit-field type to
9382         proper precision.
9383         * langhooks.h (reduce_bit_field_operations): New hook.
9384         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
9385         Define.
9386         * c-lang.c, objc/objc-lang.c
9387         (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Define.
9388         * objc/objc-act.c (check_ivars): Convert types to bit-field types
9389         before checking.
9390         * tree.c (build_nonstandard_integer_type): New function.
9391         * tree.h (build_nonstandard_integer_type): New prototype.
9392         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't treat
9393         conversions between integer and boolean types as useless.
9394
9395 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
9396
9397         * c-common.c (c_common_nodes_and_builtins): Do not
9398         create __builtin_ptrdiff_t and __builtin_size_t.
9399
9400 2004-07-08  Andrew Pinski  <apinski@apple.com>
9401
9402         * Makefile.in (libbackend.o): Add -combine to the gcc
9403         command line.
9404
9405 2004-07-08  Nick Clifton  <nickc@redhat.com>
9406
9407         * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Define.
9408         Set to -Os.
9409
9410 2004-07-08  Richard Henderson  <rth@redhat.com>
9411
9412         * except.c (expand_eh_region_start, expand_eh_region_end,
9413         expand_eh_handler, expand_eh_region_end_cleanup,
9414         expand_start_all_catch, expand_start_catch, expand_end_catch,
9415         expand_end_all_catch, expand_eh_region_end_allowed,
9416         expand_eh_region_end_must_not_throw, expand_eh_region_end_throw,
9417         expand_eh_region_end_fixup): Remove.
9418         * stmt.c (struct nesting): Remove stack_level, innermost_stack_block,
9419         cleanups, outer_cleanups, label_chain, exception_region.
9420         (struct goto_fixup): Remove stack_level, cleanup_list_list.
9421         (struct label_chain): Remove.
9422         (struct stmt_status): Remove x_stack_block_stack.
9423         (stack_block_stack, expand_goto_internal, expand_fixup, expand_fixups,
9424         fixup_gotos, save_stack_pointer, expand_decl_cleanup,
9425         expand_decl_cleanup_eh, expand_cleanups, start_cleanup_deferral,
9426         end_cleanup_deferral, last_cleanup_this_contour,
9427         containing_blocks_have_cleanups_or_stack_level,
9428         any_pending_cleanups): Remove.
9429         (expand_null_return_1): Take no arguments.
9430         (expand_label, expand_naked_return, expand_return,
9431         expand_start_bindings_and_block, expand_end_bindings, expand_decl,
9432         expand_anon_union_decl, expand_start_case, pushcase, pushcase_range,
9433         expand_end_case_type): Don't use any of them.
9434         * calls.c (expand_call): Likewise.
9435         * dojump.c (do_jump): Likewise.
9436         * function.c (expand_function_end): Likewise.
9437         * expr.c (store_expr, expand_expr_real_1): Likewise.
9438         (safe_from_p): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR.
9439         (expand_expr_real_1): Don't handle WITH_CLEANUP_EXPR,
9440         CLEANUP_POINT_EXPR, TARGET_EXPR, TRY_CATCH_EXPR, CATCH_EXPR,
9441         EH_FILTER_EXPR, TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR.
9442         * fold-const.c (fold_checksum_tree): Use first_rtl_op.
9443         * gengtype.c (adjust_field_tree_exp): Remove rtl op handling.
9444         * gimplify.c (gimplify_cleanup_point_expr): Renumber operands
9445         for WITH_CLEANUP_EXPR.
9446         (gimple_push_cleanup): Likewise.
9447         * integrate.c (copy_decl_for_inlining): Don't DECL_TOO_LATE.
9448         * print-tree.c (print_node): Likewise.
9449         * tree-pretty-print.c (dump_generic_node): Remove GOTO_SUBROUTINE_EXPR.
9450         * tree.c (first_rtl_op): Always just TREE_CODE_LENGTH.
9451         (has_cleanups): Remove GOTO_SUBROUTINE_EXPR.
9452         * tree.def (WITH_CLEANUP_EXPR): Remove op1 and op2.
9453         (GOTO_SUBROUTINE_EXPR): Remove.
9454         * tree.h (WITH_CLEANUP_EXPR_RTL): Remove.
9455         (DECL_TOO_LATE): Remove.
9456         * except.h, tree.h: Update decls.
9457
9458 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
9459
9460         * explow.c (optimize_save_area_alloca): Do not accept parameters.
9461         * passes.c (rest_of_handle_final): Handle symout.
9462         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc):
9463         Push timevar here.
9464         (rest_of_handle_sched): Break out SMS.  Remove ifs for
9465         flag_schedule_insns and flag_modulo_sched.
9466         (rest_of_handle_addressof, rest_of_handle_cse2): Garbage
9467         collect at the end.
9468         (rest_of_handle_gcse2): Put under timevar TV_RELOAD_CSE_REGS.
9469         (rest_of_handle_partition_blocks, rest_of_handle_sms,
9470         rest_of_handle_if_after_reload, rest_of_handle_peephole2,
9471         rest_of_handle_mode_switching, rest_of_handle_jump,
9472         rest_of_handle_guess_branch_prob, rest_of_handle_eh,
9473         rest_of_handle_jump2, rest_of_handle_postreload,
9474         rest_of_handle_flow2, rest_of_clean_state,
9475         rest_of_handle_shorten_branches,
9476         rest_of_handle_prologue_epilogue,
9477         rest_of_handle_branch_target_load_optimize): New.
9478         (rest_of_compilation): Call the above.  Remove ggc_collect
9479         calls moved to rest_of_handle_*.
9480         * rtl.h (optimize_save_area_alloca): Do not accept parameters.
9481
9482         * dwarf2out.c (dwarf2out_begin_prologue): Use TREE_NOTHROW.
9483         * except.c (set_nothrow_function_flags): Set TREE_NOTHROW.
9484         * except.h (set_nothrow_function_flags): Update comment.
9485         * function.c (current_function_nothrow): Remove.
9486         * output.h (current_function_nothrow): Remove.
9487         * passes.c (rest_of_compilation): Do not set TREE_NOTHROW.
9488         * config/arm/arm.c (arm_compute_func_type): Use TREE_NOTHROW.
9489
9490 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
9491
9492         PR bootstrap/16326
9493         * reorg.c: Revert 2004-06-30 change.
9494         (find_end_label): If HAVE_epilogue and !HAVE_return,
9495         return 0 instead of creating a label at the end of the insn chain.
9496         (optimize_skip): Account for the failure mode of find_end_label.
9497         (fill_simple_delay_slots): Likewise.
9498         (fill_slots_from_thread): Likewise.
9499         (relax_delay_slots): Likewise.
9500
9501 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
9502
9503         * tree-flow.h (addressable_vars): Declare.
9504         * tree-ssa-alias.c (addressable_vars): Define.
9505         (setup_pointers_and_addressables): Add addressable variables
9506         to addressable_vars.
9507         * tree-ssa-operands.c (get_stmt_operands): Move
9508         handling of ASM_EXPRs ...
9509         (get_asm_expr_operands): ... here.
9510         When the ASM_EXPR clobbers memory, also clobber addressable
9511         variables.
9512         * tree-ssa.c (init_tree_ssa): Initialize addressable_vars.
9513         (delete_tree_ssa): Reset addressable_vars.
9514
9515 2004-07-07  Jan Beulich  <jbeulich@novell.com>
9516             Richard Henderson  <rth@redhat.com>
9517
9518         * varasm.c (assemble_variable): Use assemble_zeros for
9519         zero-initialized variables.
9520         (categorize_decl_for_section): Honor flag_zero_initialized_in_bss
9521         for SECCAT_BSS and SECCAT_TBSS.
9522
9523 2004-07-07  Jan Beulich  <jbeulich@novell.com>
9524
9525         * varasm.c (asm_output_bss): Don't declare unless BSS_SECTION_ASM_OP.
9526
9527         * expmed.c (emit_store_flag): Also special-case double-word
9528         (in-)equality comparison against -1.
9529
9530         * config/i386/i386.c (ix86_gimplify_va_arg): Don't need temporary for
9531         passing arguments the containers for which are registers.
9532
9533         * calls.c (emit_library_call_value_1): Use mode of function parameter
9534         rather than that of argument since constants have none.
9535
9536 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
9537
9538         Introduce H8SX support.
9539         * expr.c (expand_strcpy): Renamed and moved to...
9540         * builtins.c (expand_movstr): ... here.  Tweak.
9541         (expand_builtin_strcpy): Adjust.  Use movstr if len can't be
9542         computed or has side effects.
9543         (expand_builtin_stpcpy): Likewise.  Use strcpy if return value is
9544         unused, or if mempcpy fails.  Adjust the return value in the
9545         latter case.  Use movstr if everything else fails.
9546         * doc/md.texi (movstr): Document.
9547         (movmemM, clrmemM): Fix explanation of memory block operands.
9548         * config/h8300/h8300.md (stpcpy): Renamed to...
9549         (movstr): ... this.  Adjust.
9550         2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
9551         * config/h8300/h8300.md: Rename movstr*, except for movstrict*, to
9552         movmem* and clrstr* to clrmem*.
9553         2004-06-27  Alexandre Oliva  <aoliva@redhat.com>
9554         * config/h8300/h8300.c (h8300_reg_class_from_letter): Map 'D' to
9555         GENERAL_REGS, always.
9556         (h8300_swap_into_er6, h8300_swap_into_er6): Handle the case of
9557         getting the stack pointer as addr.
9558         * config/h8300/h8300.h (PREDICATE_CODES): Remove constant rtxes
9559         from general_operand_dst.
9560         * config/h8300/h8300.md (movmd_internal_normal): New, normal-mode
9561         variant of...
9562         (movmd_internal): ... this.  Add modes to operands.  Disparage `D'
9563         instead of requiring it to match only before reload.
9564         (stpcpy_internal_normal): New, normal-mode variant of...
9565         (stpcpy_internal): ... this.  Add modes to operands.  Disparage
9566         `D' instead of requiring it to match only before reload.
9567         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Add
9568         mode argument.
9569         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Pass it to...
9570         * config/h8300/h8300.c (h8300_legitimate_address_p): Pass it to
9571         h8300_get_index.
9572         * config/h8300/h8300.md (attr type): Add call.
9573         (attr can_delay): If type is call, set it no.
9574         (call, call_value): Set type to call.
9575         2004-06-21  Alexandre Oliva  <aoliva@redhat.com>
9576         * config/h8300/h8300.md (logicalhi3_sn, logicalsi3_sn): New.
9577         2004-06-16  Alexandre Oliva  <aoliva@redhat.com>
9578         * tree.c (get_narrower): Don't narrow integral types into
9579         non-integral types.
9580         * config/h8300/h8300.c (h8300_expand_epilogue): Initialize
9581         frame_size *before* the first use.
9582         * config/h8300/h8300.md (movstrictqi): Reintroduce post-increment
9583         on input.
9584         (peephole2): Don't widen instructions that push SP.  Move
9585         decrement of SP to the end of all stm-generating peepholes.
9586         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
9587         * config/h8300/h8300.md (insv): Prefer to use AND to clear a bitfield
9588         and OR to set it to all ones.
9589         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
9590         * config/h8300/h8300.md (can_delay): Default to "no" for bit branches.
9591         (call, call_value): Set can_delay to "no".
9592         2003-07-22  Richard Sandiford  <rsandifo@redhat.com>
9593         * config/h8300/h8300.md (extzv): Make subreg check more robust.
9594         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
9595         * config/h8300/h8300.md (*brabit): Remove.
9596         * config/h8300/h8300.md (*brabc, *brabs): Remove mode from
9597         zero_extract.  Use bit_memory_operand as the predicate for
9598         operand 1 and 'WU' as the constraint.  Check the difference
9599         between the base length and the final one when deciding which
9600         type of branch to use.
9601         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
9602         * config/h8300/h8300.md (extzv): Remove mode from operands 0 and 1.
9603         Use convert_move to extend the result for TARGET_H8300SX.  Check
9604         for QImode memory references.  Optimize the case where the
9605         destination is a paradoxical subreg.
9606         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
9607         * config/h8300/h8300.md (*movsf_h8sx): Add an r <- G alternative.
9608         * config/h8300/h8300.md (andqi): Remove bclr from h8sx version.
9609         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
9610         * config/h8300/h8300.md: Include mova.md
9611         (length_table): Add mova and mova_zero.
9612         * config/h8300/h8300.c (print_operand): Handle '%o'.  Print a length
9613         after all constant addresses for '%R', '%X', '%T' and '%S'.
9614         (h8300_mova_length): New function.
9615         (h8300_insn_length_from_table): Use it to handle mova and mova_zero.
9616         * config/h8300/t-h8300 (mova.md): Generate from genmova.sh.  Add to
9617         dependencies for s-config, etc.
9618         * config/h8300/gemova.sh: New file.
9619         * config/h8300/mova.md: Generated.
9620         2003-07-20  Alexandre Oliva  <aoliva@redhat.com>
9621         * config/h8300/h8300.c (h8300_bitfield_length): New.
9622         (nibble_operand): Adjust.
9623         (h8300_binary_length): Handle conditional binary op.
9624         (h8300_insn_length_from_table): Handle bitfield and bitbranch.
9625         * config/h8300/h8300.h: Change constraints W# and Y# to P#>X and
9626         P#<X, respectively.  The original P is now IP4>X.  Introduced P#>0
9627         and P#<0, unused so far.  W and Y are now prefixes to multi-letter
9628         constraints.  WU is introduced as a variant of U that requires a
9629         mem, and is therefore considered an EXTRA_MEMORY_CONSTRAINT.
9630         * config/h8300/h8300.md (attr type): Added bitbranch.
9631         (attr length_table): Added bitfield and bitbranch.
9632         (attr length): Compute bitbranch length.
9633         (andqi): Separate pattern for H8300SX.  Use bfld for loading the
9634         least-significant bit of a byte.
9635         (brabit, brabc, brabs): New.
9636         (insv, extzv): Emit bfst and bfld on H8300SX.
9637         (bfld, bfst, seq, sne): New.
9638         (bstzhireg, cmpstz, bstz, bistz): New.
9639         (cmpcondbset, condbset, cmpcondbclr, condbclr): New.
9640         (cmpcondbsetreg, condbsetreg, cmpcondbclrreg, condbclrreg): New.
9641         2003-07-11  Richard Sandiford  <rsandifo@redhat.com>
9642         * config/h8300/h8300.c (h8sx_binary_memory_operator): New function.
9643         (h8sx_unary_memory_operator): New function.
9644         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Disable.
9645         (PREDICATE_CODES): Add h8sx_{unary,binary}_memory_operator.
9646         * config/h8300/h8300.md: Add peepholes to combine reloads and
9647         arithmetic insns.
9648         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
9649         * config/h8300/h830.md (cmpqi): Use 'i' rather than 'n' in constraints.
9650         (*cmphi_h8300hs, *addqi3, *addhi3_h8sx, subhi3): Likewise.
9651         (and?i, ior?i, xor?i): Likewise.
9652         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
9653         * config/h8300/h8300.c: Move enums and prototypes to head of file.
9654         Various whitespace fixes.
9655         (h8300_constant_length): New function, split out from...
9656         (h8300_displacement_size): ...here.  Rename h8300_displacement_length.
9657         (h8300_classify_operand): Use IN_RANGE.
9658         (h8300_classify_operand): Use h8300_constant_length.
9659         (h8300_short_move_mem_p): Tighten size check.
9660         (h8sx_mergeable_memrefs_p): Tighten equality check.
9661         2003-06-30  Richard Sandiford  <rsandifo@redhat.com>
9662         * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Define __H8300SX__
9663         for -msx.
9664         * config/h8300/crti.asm: Use .h8300sx or .h8300sxn for -msx code.
9665         * config/h8300/crtn.asm: Likewise.
9666         * config/h8300/lib1funcs.asm: Likewise.  Use 32-bit pointers
9667         if __H8300SX__ is defined.
9668         2003-06-27  Richard Sandiford  <rsandifo@redhat.com>
9669         * config/h8300/h8300-protos.h (h8300_get_index): Add mode parameter.
9670         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Update accordingly.
9671         (GO_IF_MODE_DEPENDENT_ADDRESS): Treat POST_DEC, PRE_INC and indexed
9672         addresses as mode-dependent.
9673         * config/h8300/h8300.c (print_operand_address): Update call to
9674         h8300_get_index.
9675         (h8300_get_index): Take a mode argument.  Rework to fix an
9676         earlier misunderstanding.
9677         2003-06-26  Richard Sandiford  <rsandifo@redhat.com>
9678         * config/h8300/h8300.c (zero_extendqisi2): Force the source operand
9679         into a register if TARGET_H8300SX.
9680         (*zero_extendqisi2_h8300hs, *extendqisi2_h8300): Disable for
9681         TARGET_H8300SX.  Also disable related define_splits.
9682         (*zero_extendqisi2_h8sx, *extendqisi2_h8sx): New patterns.
9683         2003-06-23  Richard Sandiford  <rsandifo@redhat.com>
9684         * config/h8300/h8300.c (h8300_rtx_costs): Add h8sx handling.
9685         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
9686         * config/h8300/h8300.h (OK_FOR_Z): New macro.
9687         (EXTRA_CONSTRAINT_STR): Check it.
9688         * config/h8300/h8300.c (h8300_classify_operand): Accept null
9689         class arguments.
9690         (h8300_insn_length_from_table): Handle LENGTH_TABLE_MOV_IMM4.
9691         * config/h8300/h8300.md (length_table): Add mov_imm4.
9692         (movqi, movhi): Add Z <- W4 alternatives to h8sx patterns.
9693         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
9694         * genattrtab.c (write_eligible_delay): Allow candidate_insn to
9695         be a label.
9696         * config/h8300/h8300.h (DELAY_SLOT_LENGTH): New macro.
9697         * config/h8300/h8300.c (h8300_reorg): New function.
9698         (TARGET_MACHINE_DEPENDENT_REORG): Define.
9699         * config/h8300/h8300.md (length): Subtract the length of the
9700         delay slot from (pc) when checking the range of forward branches.
9701         (delay_slot, can_delay): New attributes.
9702         (define_delay): Add bra/s handling.
9703         (movmd_internal, return_h8sx, *return_1): Set can_delay to no.
9704         (jump): Add delayed-branch handling.
9705         2003-06-17  Richard Sandiford  <rsandifo@redhat.com>
9706         * expr.c (expand_strcpy): New function.
9707         * builtins.c (expand_builtin_strcpy): Fall back on expand_strcpy.
9708         (expand_builtin_stpcpy): Likewise.
9709         * config/h8300/h8300-protos.h (h8sx_split_movmd): Remove.
9710         (h8300_swap_into_er6, h8300_swap_out_of_er6): Declare.
9711         * config/h8300/h8300.c (h8300_reg_class_from_letter): Tweak 'd'
9712         handling to improve register allocation for -fno-omit-frame-pointer.
9713         (h8sx_split_movmd): Delete, moving er6 handling into...
9714         (h8300_swap_into_er6, h8300_swap_out_of_er6): ...these new functions.
9715         * config/h8300/h8300.md (UNSPEC_STPCPY): New unspec constant.
9716         (movmd): Add calls to copy_rtx.
9717         (movmd_internal): In the second alternative, allow the initial and
9718         final destination registers to be different .  Update the splitter
9719         accordingly.  Call h8300_swap_into_er6 and h8300_swap_out_of_er6
9720         instead of h8sx_split_movmd.
9721         (stpcpy, movsd): New expanders.
9722         (movsd_internal): New define_insn.
9723         2003-06-13  Richard Sandiford  <rsandifo@redhat.com>
9724         * config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Declare.
9725         (h8sx_emit_movmd, h8sx_split_movmd): Declare.
9726         * config/h8300/h8300.h (reg_class): Add COUNTER_REGS, SOURCE_REGS
9727         and DESTINATION_REGS.
9728         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
9729         (REGNO_REG_CLASS): Map er4, er5 and er6 to the new classes.
9730         (REG_CLASS_FROM_LETTER): Use h8300_reg_class_from_letter.
9731         (h8300_move_ratio): Declare.
9732         (MOVE_RATIO): Use it.
9733         * config/h8300/h8300.c (h8300_move_ratio): New variable.
9734         (h8300_init_once): Initialize it.
9735         (h8300_reg_class_from_letter): New function.
9736         (print_operand): Add an 'm' prefix for printing ".b", ".w" or ".l".
9737         (h8sx_emit_movmd, h8sx_split_movmd): New functions.
9738         * config/h8300/h8300.md (UNSPEC_MOVMD): New unspec constant.
9739         (COUNTER_REG, SOURCE_REG, DESTINATION_REG): New register constants.
9740         (movstrsi, movmd): New expanders.
9741         (movmd_internal): New insn.
9742         2003-06-06  Richard Sandiford  <rsandifo@redhat.com>
9743         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Define.
9744         2003-06-04  Richard Sandiford  <rsandifo@redhat.com>
9745         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxnelf for -msx -mn.
9746         * config/h8300/h8300.c (asm_file_start): Use .h8300sxn likewise.
9747         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
9748         * config/h8300/h8300.c (nibble_operand): Fix warning.
9749         * config/h8300/h8300.md (movstricthi): Set adjust_length to no.
9750         (movsi_h8sx): Likewise here and the normal h8sx movhi pattern.
9751         (movsf_h8300h): Disable for TARGET_H8300SX.
9752         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
9753         * config/h8300/h8300.h (PREDICATE_CODES): Add h8300_ldm_parallel,
9754         h8300_stm_parallel and h8300_return_parallel.
9755         * config/h8300/h8300.c (h8300_push_pop, h8300_stack_offset_p,
9756         h8300_ldm_stm_regno, h8300_ldm_stm_parallel, h8300_ldm_parallel,
9757         h8300_stm_parallel, h8300_return_parallel): New functions.
9758         (h8300_expand_prologue): Don't enforce ldm/stm register alignment
9759         if TARGET_H8300SX.  Use h8300_push_pop.
9760         (h8300_expand_epilogue): Likewise.  Try to merge the return insn
9761         and final pop when generating h8sx code.  Always emit some form
9762         of return insn.
9763         * config/h8300/h8300.md: Don't enforce register alignment in
9764         stm peepholes if TARGET_H8300SX.
9765         (ldm_h8300s, stm_h8300s, return_h8sx): New patterns.
9766         (ldm_h8300s_[234], stm_h8300_[234]): Disable.
9767         (epilogue): Expect h8300_expand_epilogue to emit a return insn.
9768         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
9769         * config/h8300/t-h8300 (MULTILIB_OPTIONS): Add a -msx multilib.
9770         (MULTILIB_DIRNAMES): Add a directory for it.
9771         (MULTILIB_MATCHES): Delete.
9772         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
9773         * final.c (walk_alter_subreg): Handle addresses with subregs
9774         inside a ZERO_EXTEND or AND.
9775         * config/h8300/h8300-protos.h (h8300_get_index): Declare.
9776         * config/h8300/h8300.h (INDEX_REG_CLASS): Set to GENERAL_REGS
9777         if TARGET_H8300SX.
9778         (GO_IF_LEGITIMATE_ADDRESS): Use h8300_get_index.
9779         * config/h8300/h8300.c (print_operand_address): Handle @(dd,RnL.b),
9780         @(dd,Rn.w) and @(dd,ERn.L).
9781         (h8300_displacement_size): Take the whole address as argument.
9782         (h8300_classify_operand, h8300_short_move_mem_p): Adjust accordingly.
9783         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
9784         * config/mips/mips-protos.h (h8300_operands_match_p): Declare.
9785         (h8sx_mergeable_memrefs_p): Declare.
9786         * config/h8300/h8300.h (HAVE_POST_DECREMENT): Define to TARGET_H8300SX.
9787         (HAVE_PRE_INCREMENT): Likewise.
9788         (GO_IF_LEGITIMATE_ADDRESS): Accept pre/post increment/decrement
9789         addresses for TARGET_H8300SX,
9790         * config/h8300/h8300.c (print_operand_address): Deal with PRE_INC
9791         and POST_DEC.
9792         (movb_length_table, movl_length_table): New tables.
9793         (movw_length_table): Define to movb_length_table.
9794         (h8300_displacement_size): New, split out from...
9795         (h8300_classify_address): ...here.  Handle pre/post inc/dec.
9796         (h8300_short_immediate_length): Allow H8OP_MEM_COMPLEX operands.
9797         (h8300_insn_length_from_table): Add cases for movb, movw and movl.
9798         (h8sx_mergeable_memrefs_p, h8300_operands_match_p): New functions.
9799         (output_plussi): Use add.l #xx:3,Rn and sub.l #xx:3,Rn for h8sx.
9800         (compute_plussi_length, compute_plussi_cc): Update accordingly.
9801         (h8sx_unary_shift_operator): Get the mode from the operator.
9802         (binary_shift_operator): Likewise.
9803         * config/h8300/h8300.md: If a peephole2 applies gen_lowpart to
9804         a memory reference, check whether the reference is offsettable.
9805         (length_table): Add movb, movw and movl.
9806         (movqi): Add new h8sx pattern.  Don't force one operand to be a
9807         register when generating h8sx code.
9808         (movhi, movsi, movsf): Likewise.
9809         (movstrictqi): Use the length_table attribute.
9810         (movstricthi): Likewise.  Add h8sx alternative for mov.w #xx:3,Rn.
9811         (addqi3): Split into a define_expand and define_insn.  Don't accept
9812         memory operands in the expander.  Use h8300_operands_match_p to
9813         check for matching operands in the define_insn.
9814         (subqi3, negqi2, one_cmplqi2): Likewise.
9815         (add[hs]i3): Don't accept memory operands in the expander.  Likewise
9816         in any patterns that are unused in h8sx code.  In the h8sx patterns,
9817         use h8300_operands_match_p to check whether operands match.
9818         (sub[hs]i3, and[hi]3, ior[hs]i3, xor[hs]i3, neg[hsi]3,
9819         one_cmpl[hs]i3): Likewise.
9820         (andqi3, iorqi3, xorqi3): Likewise.  Don't call fix_bit_operand
9821         in the expander.
9822         2003-05-23  Richard Sandiford  <rsandifo@redhat.com>
9823         * config/h8300/h8300-protos.h (expand_a_shift): Return a bool.
9824         (h8300_insn_length_from_table): Add a second parameter.
9825         (output_h8sx_shift): Declare.
9826         * config/h8300/h8300.h (OK_FOR_W, OK_FOR_Y): New macros.
9827         (EXTRA_CONSTRAINT): Replace with...
9828         (EXTRA_CONSTRAINT_STR): ...this.  Use OK_FOR_W and OK_FOR_Y.
9829         (CONSTRAINT_LEN): Define, returning 2 for 'W' and 'Y'.
9830         (PREDICATE_CODES): Add entries for h8sx_unary_shift_operator
9831         and h8sx_binary_shift_operator.
9832         * config/h8300/h8300.c (two_insn_adds_subs_operand): Return false
9833         for TARGET_H8300SX.
9834         (bit_operand): Replace use of EXTRA_CONSTRAINT with OK_FOR_U.
9835         (bit_memory_operand, fix_bit_operand): Likewise.
9836         (h8300_length_table_for_insn): Remove.
9837         (h8300_classify_operand): Fix check for 16-bit operands in 32-bit
9838         instructions.
9839         (h8300_short_immediate_length, h8300_binary_length): New functions.
9840         (h8300_insn_length_from_table): Add an opcodes parameter.  Rework.
9841         (output_plussi): Use sub to add negative constants.
9842         (compute_plussi_length): Adjust accordingly.
9843         (h8sx_single_shift_type): New enum.
9844         (h8sx_single_shift, h8sx_unary_shift_operator,
9845         h8sx_binary_shift_operator, output_h8sx_shift): New functions.
9846         (expand_a_shift, expand_a_rotate): Emit nothing if the shift is a
9847         single h8sx instruction.  Return false in this case.
9848         * config/h8300/h8300.md (length_table): Add short_immediate.
9849         (length): Pass the operand array to h8300_insn_length_from_table.
9850         (adjust_length): Assume "no" for insns with a length_table attribute.
9851         (*cmphi_h8300hs, cmpsi): Add alternatives for #xx:3.
9852         (*addhi3_h8300hs): Don't use for h8sx.
9853         (*addhi3_h8sx): New pattern, with alternatives for add.w #xx:3
9854         and sub.w #xx:3.
9855         (ashl[qhs]i3, lshr[qhs]i3, ashr[qhs]i3, rotl[qhs]i3): Change operand
9856         1's predicate to nonimmediate_operand.  Only skip default expansion
9857         if expand_a_shift or expand_a_rotate returns true.  Add new patterns
9858         for single h8sx shift instructions.
9859         2003-05-22  Alexandre Oliva  <aoliva@redhat.com>
9860         * config/h8300/h8300.c (nibble_operand): Split out of...
9861         (reg_or_nibble_operand): ... this.
9862         * config/h8300/h8300.h (PREDICATE_CODES): Added nibble_operand.
9863         * config/h8300/h8300.md: (mulqihi3, mulhisi3, umulqihi3,
9864         umulhisi3): Introduce expand, and introduce separate insns for
9865         sign- or zero-extended REG and already-extended CONST_INT.
9866         2003-05-20  Richard Sandiford  <rsandifo@redhat.com>
9867         * config/h8300/h8300.c (h8300_unary_length): Fix miscounting.
9868         * config/h8300/h8300.md (subqi3): Generalize for h8sx.
9869         (subhi3): Likewise.  Don't accept immediates for operand 1.
9870         Remove the early clobber from second alternative of the h8300s pattern.
9871         (subsi3): Generalize for h8sx.  Force operand 2 into a register
9872         on plain h8300 targets.
9873         (subsi3_h8300): Use h8300_dst_operand for consistency with expander.
9874         (subsi3_h8300h): Generalize for h8sx.
9875         (one_cmplqi2, one_cmplhi2, one_cmplsi2): Likewise.
9876         2003-05-19  Alexandre Oliva  <aoliva@redhat.com>
9877         * config/h8300/h8300.c (reg_or_nibble_operand): New.
9878         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
9879         (TARGET_H8300SXMUL): New.
9880         (CONST_OK_FOR_P): New.
9881         (CONST_OK_FOR_LETTER_P): Adjust.
9882         * config/h8300/h8300.md (mulqihi3, mulhisi3, umulqihi3,
9883         umulhisi3): Accept 4-bit immediate on H8SX.
9884         (mulhi3, mulsi3, smulsi3_highpart, umulsi3_highpart): New.
9885         (udivsi3, divhi3, udivsi3, divsi3): New.
9886         2003-05-19  Richard Sandiford  <rsandifo@redhat.com>
9887         * config/h8300/h8300-protos.h (h8300_insn_length_from_table): Declare.
9888         * config/h8300/h8300.h (OK_FOR_Q): New macro.
9889         (EXTRA_CONSTRAINT): Use it to check the 'Q' constraint.
9890         (PREDICATE_CODES): Add h8300_src_operand and h8300_dst_operand.
9891         Add ADDRESSOF to the bit_operand entry.
9892         * config/h8300/h8300.c (h8300_dst_operand): New predicate.
9893         (h8300_src_operand): Likewise.
9894         (bit_operand): Check nonimmediate_operand rather than general_operand.
9895         Accept any nonimmediate_operand in h8sx code.
9896         (h8300_and_costs): Initialize operands[1].
9897         (h8300_rtx_costs) <AND>: Return false if the operands aren't valid.
9898         (h8300_operand_class): New enum.
9899         (h8300_length_table): New typedef.
9900         (addb_length_table, addw_length_table, addl_length_table,
9901         logicl_length_table): New tables.
9902         (logicb_length_table, logicw_length_table): New macros.
9903         (h8300_classify_operand, h8300_length_from_table,
9904         h8300_length_table_for_insn, h8300_unary_length,
9905         h8300_insn_length_from_table): New functions.
9906         (output_plussi): Only use adds and subs for register destinations.
9907         Disable redundant clause.
9908         (compute_plussi_cc): Likewise.
9909         (compute_plussi_length): Likewise.  Use h8300_length_from_table
9910         to work out the length of an insn.
9911         (output_logical_op): Only use narrower immediate instructions
9912         if the destination is a register.
9913         (compute_logical_op_cc): Likewise.
9914         (compute_logical_op_length): Likewise.  Use h8300_length_from_table.
9915         (h8300_adjust_insn_length): Tighten check for reg<->mem moves.
9916         * config/h8300/h8300.md (length_table): New attribute.
9917         (length): When an instruction has a length_table attribute, use
9918         h8300_insn_length_from_table to calculate its default length.
9919         (cmpqi): Use h8300_dst_operand for the first operand and
9920         h8300_src_operand for the second.
9921         (cmphi, *cmphi_h8300hs, cmpsi, negqi2, neghi2, neghi2_h8300h, negsi2,
9922         negsi2_h8300h, addqi3, addhi3, *addhi3_h8300, *addhi3_h8300hs, addsi3,
9923         addsi_h8300, addsi_h8300h, andhi3, andsi3, iorhi3,
9924         iorsi3, xorhi3, xorsi3): Likewise.
9925         (andqi3): Use h8300_src_operand for operand 2.  Adjust the condition
9926         so that it allows any combination of operands for TARGET_H8300SX.
9927         (iorqi3, xorqi3): Likewise.
9928         (cmpqi): Use the length_table attribute.
9929         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, andqi3, iorqi3,
9930         xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
9931         (cmpqi): Add 'Q' constraint.
9932         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, addsi_h8300h, andqi3,
9933         iorqi3, xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
9934         2003-05-14  Richard Sandiford  <rsandifo@redhat.com>
9935         * config/h8300/h8300.h (MASK_H8300SX): New macro.
9936         (TARGET_H8300S): True for both -ms and -msx.
9937         (TARGET_H8300SX): New macro.
9938         (TARGET_SWITCHES): Add entries for -msx and -mno-sx.
9939         * config/h8300/h8300.c (asm_file_start): Write .h8300sx for -msx.
9940         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxelf for -msx.
9941         * config/h8300/t-h8300 (MULTILIB_MATCHES): Use -ms multilibs for -msx.
9942         [Temporary change.]
9943         2003-02-28  Alexandre Oliva  <aoliva@redhat.com>
9944         * config/h8300/h8300.h (SIZE_TYPE, PTRDIFF_TYPE): Use short with
9945         16-bit pointers and 32-bit ints.
9946         * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Accept
9947         CONST_DOUBLE with mode no wider than SImode.
9948         * config/h8300/h8300.md (extendqisi2_h8300): Add constraints for
9949         output operand.
9950         2003-02-27  Alexandre Oliva  <aoliva@redhat.com>
9951         * config/h8300/h8300.c (general_operand_src): Match CONSTANT_P_RTX
9952         or SUBREG thereof.
9953         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
9954         2003-02-22  Alexandre Oliva  <aoliva@redhat.com>
9955         * config/h8300/h8300.c (dosize): Truncate sign * size to Pmode.
9956
9957 2004-05-28  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
9958
9959         * config.gcc (i[34567]86-*-mingw32*): Enable threads by default.
9960
9961 2004-07-07  Per Bothner  <per@bothner.com>
9962
9963         * flow.c (attempt_auto_inc):  Remove now-redundant PUT_CODE.
9964
9965 2004-07-07  Mike Stump  <mrs@apple.com>
9966
9967         * darwin.h (ASM_OUTPUT_LABELREF): Fix -fno-leading-underscore.
9968         * darwin.c (machopic_non_lazy_ptr_name, machopic_stub_name)
9969         (machopic_finish): Likewise.
9970
9971 2004-07-07  Richard Henderson  <rth@redhat.com>
9972
9973         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Look
9974         through any value-preserving cast.
9975
9976 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
9977
9978         * function.c (assign_parm_find_data_types): Call
9979         FUNCTION_ARG_PASS_BY_REFERENCE only if it's defined.
9980
9981 2004-07-07  Steven Bosscher  <stevenb@suse.de>
9982
9983         * tree-cfg.c (group_case_labels): Remove case labels that have
9984         the same target as the default case.
9985
9986 2004-07-07  Steven Bosscher  <stevenb@suse.de>
9987
9988         * tree-inline.c (optimize_inline_calls): Set DECL_INLINED_FNS
9989         regardless of DECL_LANG_SPECIFIC being present or not.
9990         * tree.h (DECL_NUM_STMTS): Purge.
9991
9992 2004-07-07  Andrew Pinski  <apinski@apple.com>
9993
9994         * configure: Regenerate with the right autoconf.
9995
9996 2004-07-07  David Edelsohn  <edelsohn@gnu.org>
9997
9998         * ifcvt.c (total_bb_rtx_cost): New function.
9999         (find_if_case_1): Compare rtx_cost of basic block to cost of
10000         BRANCH_COST insns.
10001         (find_if_case_2): Same.
10002
10003 2004-07-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
10004
10005         PR target/10567
10006         * config/sparc/sparc.c (load_pic_register): Honor flag_delayed_branch.
10007         (output_return): Likewise.
10008         (output_sibcall): Abort if !flag_delayed_branch.
10009         (sparc_function_ok_for_sibcall): Return 0 if !flag_delayed_branch.
10010         (emit_and_preserve): New function.
10011         (sparc_output_mi_thunk): Use it.  Honor flag_delayed_branch.  Emit an
10012         indirect jump to the thunked-to function if !flag_delayed_branch.
10013         * config/sparc/sparc.md (delayed_branch): New attribute.
10014         (load_pcrel_sym): Honor flag_delayed_branch.  Use above
10015         attribute to compute the length of the insn.
10016         (goto_handler_and_restore): Likewise.
10017
10018 2004-07-07  Andrew Pinski  <apinski@apple.com>
10019
10020         PR tree-optimization/15777
10021         * fold-const.c (fold_single_bit_test): Fold the x^1 expression.
10022
10023         * expr.c (expand_expr_real_1): Fix formating.
10024         BUFFER_REF and IN_EXPR are dead.
10025         * fold-const.c (non_lvalue): BUFFER_REF is dead.
10026         * tree-inline.c (estimate_num_insns_1): Likewise.
10027         * tree-pretty-print.c (dump_generic_node): BUFFER_REF,
10028         IN_EXPR, SET_LE_EXPR, and CARD_EXPR are dead.
10029         * tree.def (BUFFER_REF, IN_EXPR, SET_LE_EXPR, CARD_EXPR): Kill.
10030
10031 2004-07-07  H.J. Lu  <hongjiu.lu@intel.com>
10032
10033         * collect2.c (dump_file): Don't call cplus_demangle if
10034         HAVE_LD_DEMANGLE is defined.
10035         (main): Pass "--demangle" to ld if no_demangle is not 0 and
10036         HAVE_LD_DEMANGLE is defined. Don't set current_demangling_style
10037         if HAVE_LD_DEMANGLE is defined.
10038
10039         * configure.ac (--with-demangler-in-ld): Added
10040         (HAVE_LD_DEMANGLE): Define if ld supports --demangle when
10041         --with-demangler-in-ld is used.
10042         * config.in: Regenerated.
10043         * configure: Likewise.
10044
10045 2004-07-07  Roger Sayle  <roger@eyesopen.com>
10046
10047         * config/rs6000/rs6000.c (struct processor_costs): Add new fields
10048         for simple floating point operations "fp", double precision
10049         multiplication "dmul", and single and double precision division
10050         "sdiv" and "ddiv".  Update all CPU variant tables as appropriate.
10051         (ppc630_cost): New table split from ppc620_cost, to distinguish
10052         differences in floating point latencies.
10053         (rs6000_override_options): Use ppc630_cost for PROCESSOR_PPC630.
10054         (rs6000_rtx_costs): Add support for single and double precision
10055         floating point addition, subtraction, multiplication, division,
10056         fused-multiply-add, fused-multiply-sub, negation, absolute value
10057         and negative absolute value.  Tweak MEM case to use prefered idiom.
10058
10059 2004-07-07  Richard Henderson  <rth@redhat.com>
10060
10061         * tree-flow-inline.h (may_propagate_copy): Move...
10062         * tree-ssa-copy.c (may_propagate_copy): ... here.  Fail if we
10063         attempt to copy between types requiring conversion.
10064         * tree-flow.h (may_propagate_copy): Update decl.
10065         * tree-ssa-dom.c (cprop_operand): Tidy redundant tests.
10066
10067 2004-07-07  Jakub Jelinek  <jakub@redhat.com>
10068
10069         * config/i386/i386.c (override_options): Don't set x86_prefetch_sse
10070         from -mtune= option.
10071
10072 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
10073
10074         * builtins.c: Rename movstr*, except for movstrict*, to
10075         movmem* and clrstr* to clrmem*.
10076         * expr.c: Likewise.
10077         * expr.h: Likewise.
10078         * genopinit.c: Likewise.
10079         * integrate.c: Likewise.
10080         * local-alloc.c: Likewise.
10081         * optabs.c: Likewise.
10082         * optabs.h: Likewise.
10083         * config/alpha/alpha.h: Likewise.
10084         * config/alpha/alpha.md: Likewise.
10085         * config/arm/arm-protos.h: Likewise.
10086         * config/arm/arm.c: Likewise.
10087         * config/arm/arm.md: Likewise.
10088         * config/avr/avr.md: Likewise.
10089         * config/c4x/c4x.c: Likewise.
10090         * config/c4x/c4x.md: Likewise.
10091         * config/frv/frv.md: Likewise.
10092         * config/i386/i386-protos.h: Likewise.
10093         * config/i386/i386.c: Likewise.
10094         * config/i386/i386.h: Likewise.
10095         * config/i386/i386.md: Likewise.
10096         * config/i860/i860.c: Likewise.
10097         * config/i860/i860.md: Likewise.
10098         * config/ip2k/ip2k.md: Likewise.
10099         * config/ip2k/libgcc.S: Likewise.
10100         * config/ip2k/t-ip2k: Likewise.
10101         * config/m32r/m32r.c: Likewise.
10102         * config/m32r/m32r.md: Likewise.
10103         * config/mcore/mcore.md: Likewise.
10104         * config/mips/mips.c: Likewise.
10105         * config/mips/mips.md: Likewise.
10106         * config/ns32k/ns32k.c: Likewise.
10107         * config/ns32k/ns32k.h: Likewise.
10108         * config/ns32k/ns32k.md: Likewise.
10109         * config/pa/pa.c: Likewise.
10110         * config/pa/pa.md: Likewise.
10111         * config/pdp11/pdp11.h: Likewise.
10112         * config/pdp11/pdp11.md: Likewise.
10113         * config/rs6000/rs6000.c: Likewise.
10114         * config/rs6000/rs6000.md: Likewise.
10115         * config/s390/s390-protos.h: Likewise.
10116         * config/s390/s390.c: Likewise.
10117         * config/s390/s390.md: Likewise.
10118         * config/sh/lib1funcs.asm: Likewise.
10119         * config/sh/sh.c: Likewise.
10120         * config/sh/sh.md: Likewise.
10121         * config/sh/t-sh: Likewise.
10122         * config/sparc/sparc.h: Likewise.
10123         * config/vax/vax.md: Likewise.
10124         * config/xtensa/xtensa.c: Likewise.
10125         * config/xtensa/xtensa.md: Likewise.
10126         * doc/invoke.texi: Likewise.
10127         * doc/md.texi: Likewise.
10128         * doc/rtl.texi: Likewise.
10129
10130 2004-07-07  Richard Sandiford  <rsandifo@redhat.com>
10131
10132         PR target/16407
10133         * config/mips/mips-protos.h (mips_declare_common_object): Declare.
10134         * config/mips/mips.c (mips_declare_common_object): New function,
10135         mostly split out from...
10136         (mips_output_aligned_decl_common): ...here.
10137         * config/mips/mips.h (ASM_OUTPUT_LOCAL): Remove in favor of...
10138         (ASM_OUTPUT_ALIGNED_LOCAL): ...this new definition.
10139         * config/mips/iris6.h (ASM_OUTPUT_ALIGNED_LOCAL): Undefine this
10140         rather than ASM_OUTPUT_LOCAL.  Call mips_declare_common_object.
10141
10142 2004-07-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10143
10144         PR c/16392
10145         * function.c (assign_parms): Fix typo from previous change.
10146
10147 2004-07-07  Jason Merrill  <jason@redhat.com>
10148
10149         PR c++/15815
10150         * doc/extend.texi (C++ Interface): Correct information and
10151         discourage use.
10152
10153 2004-07-07  Vladimir Makarov  <vmakarov@redhat.com>
10154
10155         PR target/16130
10156         PR target/16142
10157         PR target/16143
10158         * config/ia64/ia64.c (ia64_dfa_new_cycle): Reset DFA state for asm
10159         insn.
10160
10161 2004-07-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
10162
10163         PR target/1679.
10164         * config/m32r/m32r.c (m32r_function_symbol): New function:
10165         Generate a symbol name RTX with the correct m32r specific flags
10166         set.
10167         (block_move_call): Use new function to generate correct symbol.
10168         * config/m32r/m32r-protos.h: Add prototype for new funcion.
10169         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Use the new
10170         function.
10171
10172 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
10173
10174         * tree.h (TYPE_BINFO_OFFSET, TYPE_BINFO_VTABLE,
10175         TYPE_BINFO_VIRTUALS, TYPE_BINFO_BASETYPES,
10176         TYPE_BINFO_BASETYPE): Remove.
10177         (BINFO_BASETYPES, BINFO_N_BASETYPES, BINFO_BASETYPE): Rename
10178         to ...
10179         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): ...
10180         here.
10181         (BINFO_BASEACCESSES, BINFO_BASEACCESS): Rename to ...
10182         (BINFO_BASE_ACCESSES, BINFO_BASE_ACCESS): ... here.
10183         (BINFO_INHERITANCE_CHAIN): Redocument as it is actually used.
10184         (struct tree_binfo): Rename base_types to base_binfos.
10185         * alias.c (record_component_aliases): Adjust BINFO macros.
10186         * dbxout.c (dbxout_type): Likewise.
10187         * dwarf2out.c (gen_member_die): Likewise.
10188         * sdbout.c (sdbout_one_type): Likewise.
10189         * tree-dump.c (deque_and_dump): Likewise.
10190         * config/i386/i386.c (classify_argument,
10191         contains_128bit_aligned_vector_p): Likewise.
10192
10193 2004-07-07  Nick Clifton  <nickc@redhat.com>
10194
10195         * config/fr30/fr30.c (fr30_setup_incoming_varargs): Change
10196         arguments to match TARGET_SETUP_INCOMING_VARARGS prototype.
10197
10198 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
10199
10200         * vec.h: Fix the example use.
10201
10202 2004-07-06  Richard Henderson  <rth@redhat.com>
10203
10204         * langhooks-def.h (LANG_HOOKS_GIMPLE_BEFORE_INLINING): Remove.
10205         * langhooks.h (struct lang_hooks): Remove gimple_before_inlining.
10206         * tree-inline.c (copy_body_r, setup_one_parameter,
10207         initialize_inlined_parameters, expand_call_inline,
10208         declare_inline_vars): Don't check it.
10209         (expand_calls_inline): Remove old version, rename new version
10210         from gimple_expand_calls_inline.
10211         * tree-optimize.c (execute_gimple): Remove.
10212         (pass_gimple): Don't run anything.
10213
10214 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
10215
10216         * doc/sourcebuild.texi: Use semicolons instead of commas in
10217         section title.
10218
10219 2004-07-06  Richard Henderson  <rth@redhat.com>
10220
10221         * tree-sra.c (struct sra_walk_fns): Revert 2004-07-05 change.
10222         (sra_walk_modify_expr, scan_init): Likewise.
10223         (generate_element_zero): Check visited before scanning children.
10224         (generate_element_init): Set visited on error.
10225         (scalarize_init): Handle generate_element_init failure similar
10226         to use_block_copy.
10227
10228 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
10229
10230         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Define.
10231         (warning, error, pedwarn, sorry): Use ATTRIBUTE_GCC_FE_DIAG.
10232
10233 2004-07-06  Richard Henderson  <rth@redhat.com>
10234
10235         * config/i386/i386.c (legitimize_pic_address): Make static.
10236         (legitimize_address): Handle CONST with TLS operand.
10237         (ix86_expand_move): Don't call legitimize_pic_address directly.
10238         * config/i386/i386-protos.h (legitimize_pic_address): Remove.
10239
10240 2004-07-06  Roger Sayle  <roger@eyesopen.com>
10241
10242         * ifcvt.c (struct noce_if_info): Add a Boolean b_unconditional field.
10243         (noce_try_sign_mask): Tweak rtx_cost check if t is evaluated anyway.
10244         (noce_process_if_block): Initialize if_info.b_unconditional if insn_b
10245         is currently executed unconditionally, i.e. not in "else_bb".
10246
10247 2004-07-06  Steven Bosscher  <stevenb@suse.de>
10248
10249         * config/alpha/alpha.c (alpha_use_dfa_pipeline_interface): Remove.
10250         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
10251         * config/arm/arm.c (arm_use_dfa_pipeline_interface): Remove.
10252         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
10253         * config/frv/frv.c (frv_use_dfa_pipeline_interface): Remove.
10254         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
10255         * config/i386/i386.c (ia32_use_dfa_pipeline_interface): Remove.
10256         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
10257         * config/ia64/ia64.c (ia64_use_dfa_pipeline_interface): Remove.
10258         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
10259         * config/pa/pa.c (hhpa_use_dfa_pipeline_interface): Remove.
10260         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
10261         * config/sparc/sparc.c (sparc_use_dfa_pipeline_interface): Remove.
10262         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
10263         * config/v850/v850.c (v850_use_dfa_pipeline_interface): Remove.
10264         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
10265
10266 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
10267
10268         * dojump.c (do_jump): REFERENCE_EXPR is dead.
10269         * expr.c (expand_expr_real_1): Ditto.
10270         * tree-inline.c (estimate_num_insns_1): Ditto.
10271         * tree-pretty-print.c (dump_generic_node): Ditto.
10272         (op_symbol): Ditto.
10273         * tree.def: Ditto.
10274
10275 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
10276
10277         * tree-ssa-pre.c (reference_node_pool): New pool.
10278         (find_or_generate_expression): Class 'r' is okay too.
10279         (create_value_expr_from): Ditto.
10280         (add_to_sets): LHS should not include vuses.
10281         (eliminate): Ditto.
10282         (compute_avail): Reverse ordering of tests.
10283         Valuize INDIRECT_REF as well.
10284
10285 2004-07-06  Richard Sandiford  <rsandifo@redhat.com>
10286
10287         PR rtl-optimization/16380
10288         * loop.c (check_dbra_loop): Sink comparison instructions if they
10289         do something other than set cc0.
10290
10291 2004-07-06  James E Wilson  <wilson@specifixinc.com>
10292
10293         * doc/interface.texi (longjmp and automatic variables): Delete
10294         paragraph recommending taking the address of a variable.
10295
10296 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
10297
10298         * vec.h (VEC_embedded_alloc): Remove.
10299         (VEC_embedded_size, VEC_embedded_init): New.
10300         (VEC_alloc, VEC_reserve, VEC_safe_push, VEC_safe_insert): Add
10301         MEM_STAT_INFO.
10302         (VEC_truncate): New.
10303         (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL.
10304         (vec_embedded_alloc): Remove.
10305         * vec.c (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL, adjust.
10306         (vec_embedded_alloc): Remove.
10307
10308 2004-07-06  Mark Mitchell  <mark@codesourcery.com>
10309
10310         * Makefile.in (langhooks.o): Do not depend on gt-langhooks.h.
10311         (gt-langhooks.h): Remove.
10312
10313 2004-07-06  George Helffrich <george@gly.bris.ac.uk>
10314
10315         * xcoffout.h (DBX_FINISH_SYMBOL): Fix typo.
10316
10317 2004-07-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
10318
10319         * config/sparc/sparc.c (get_pc_symbol): Rename into
10320         add_pc_to_pic_symbol.
10321         (get_pc_symbol_name): Rename into add_pc_to_pic_symbol_name.
10322         (load_pic_register): Account for previous changes.
10323         Use reg_names.  Don't create the label twice.
10324         * config/sparc/sparc.md (UNSPEC_GET_PC): Rename into
10325         UNSPEC_LOAD_PCREL_SYM.
10326         (get_pc): Rename into load_pcrel_sym.  Add predicate to
10327         operands.  Remove condition.
10328
10329 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
10330
10331         * dbxout.c (dbxout_type): Don't test whether the binfo slot of
10332         RECORD, UNION & QUAL_UNION is actually a binfo.
10333
10334         * tree.h (TREE_VIA_VIRTUAL): Rename to ...
10335         (BINFO_VIRTUAL_P): ... here. Require TREE_BINFO only.
10336         (BINFO_MARKED, BINFO_FLAG_[16]): New binfo flags.
10337         * dbxout.c (dbxout_type): Use BINFO_VIRTUAL_P.
10338         * dwarf2out.c (add_data_member_location_attribute): Likewise.
10339         (gen_inheritance_die): Likewise.
10340         * tree-dump.c (deque_and_dump): Likewise.
10341         * doc/c-tree.texi (Binfos): Add under reconstruction note.
10342
10343 2004-07-06  Steven Bosscher  <stevenb@suse.de>
10344
10345         * config/mcore/mcore.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
10346         Define.
10347         * config/mcore/mcore.md: Model memory latency with a simple DFA
10348         pipeline description instead of a define_function_unit.
10349
10350 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10351
10352         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
10353         * langhooks.h (var_mod_type_p): Likewise.
10354         * c-decl.c (finish_decl): Add extra arg to variably_modified_type_p.
10355         * expr.c (count_type_elements): Properly handle return from
10356         array_type_nelts and properly test for overflow.
10357         * gimplify.c (gimplify_init_constructor): Properly handle return
10358         from array_type_nelts.
10359         (gimplify_addr_expr): Remove redundant clear of TREE_SIDE_EFFECTS.
10360         * integrate.c (copy_decl_for_inlining): Correct comments.
10361         * tree-inline.c (remap_decl): Update comments, remove dead code,
10362         and copy DECL_FIELD_OFFSET and DECL_QUALIFIER, if they exist.
10363         (remap_type): Only remap if variably modified by vars in function
10364         being inlined.
10365         (copy_body_r): Use compatible_type langhooks to see when can fold.
10366         (setup_one_parameter): Don't remap type.
10367         (inline_forbidden_p_1): Add arg to variably_modified_type_p.
10368         * tree.c (recompute_tree_invarant_for_addr_expr): Properly
10369         compute TREE_INVARIANT for decl case.
10370         (find_var_from_fn): New function.
10371         (variably_modified_type_p): Add arg and call new function.
10372         * tree.h (variably_modified_type_p): Add extra arg.
10373
10374 2004-07-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
10375
10376         * config/sparc/sparc.md (nonlocal_goto): Remove disabled code.
10377         (goto_handler_and_restore_v9): Delete disabled insn.
10378         (goto_handler_and_restore_v9_sp64): Likewise.
10379
10380 2004-07-05  Roger Sayle  <roger@eyesopen.com>
10381
10382         * calls.c (load_register_parameters): Call expand_shift instead
10383         of expand_binop with ashl_optab (or other shift optab) directly.
10384         * expr.c (emit_group_load, emit_group_store): Likewise.
10385         * function.c (assign_parm_setup_block): Likewise.
10386         * stmt.c (shift_return_value): Likewise.
10387
10388 2004-07-05  Jakub Jelinek  <jakub@redhat.com>
10389
10390         * expr.c (expand_assignment): Disable the bitfield += optimizations.
10391
10392 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
10393
10394         * doc/sourcebuild.texi: Revert previous patch.
10395
10396 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
10397
10398         * c-decl.c, config/m32r/m32r.c, expr.c, optabs.c: Don't check
10399         TARGET_MEM_FUNCTIONS.
10400         * system.h: Poison TARGET_MEM_FUNCTIONS.
10401         * libfuncs.h (LTI_bcopy, LTI_bcmp, LTI_bzero, bcopy_libfunc,
10402         bcmp_libfunc, bzero_libfunc): Remove.
10403         * optabs.c (init_obtabs): Don't set bcopy_libfunc, bcmp_libfunc or
10404         bzero_libfunc.
10405         * doc/tm.texi (TARGET_MEM_FUNCTIONS): Remove.
10406         * doc/standards.texi: Don't mention calling BSD string functions.
10407         * doc/invoke.texi: Likewise.  Mention that memmove may be called.
10408         * config/vax/t-memfuncs: New.
10409         * config/memcmp.c, config/memcpy.c, config/memmove.c,
10410         config/memset.c: New.
10411         * config/pdp11/t-pdp11 (LIB2FUNCS_EXTRA): Use these files.
10412         * config.gcc (vax-*-bsd*, vax-*-sysv*, vax-*-ultrix*): Use
10413         vax/t-memfuncs.
10414         * config/alpha/alpha.h, config/arc/arc.h, config/arm/arm.h,
10415         config/avr/avr.h, config/c4x/c4x.h, config/cris/aout.h,
10416         config/elfos.h, config/gnu.h, config/h8300/h8300.h,
10417         config/i386/gas.h, config/ia64/ia64.h, config/interix.h,
10418         config/ip2k/ip2k.h, config/lynx-ng.h, config/m32r/m32r.h,
10419         config/mcore/mcore.h, config/mips/mips.h, config/mmix/mmix.h,
10420         config/netbsd.h, config/openbsd.h, config/pa/pa.h,
10421         config/rs6000/rs6000.h, config/rtems.h, config/s390/s390.h,
10422         config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
10423         config/svr3.h: Don't define TARGET_MEM_FUNCTIONS.
10424
10425 2004-07-05  Richard Henderson  <rth@redhat.com>
10426
10427         * function.c (assign_parm_setup_reg): Properly rename variables in
10428         FUNCTION_ARG_CALLEE_COPIES section.
10429
10430 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
10431
10432         * tree-mudflap.c: Include cgraph.h.
10433         (mf_init_extern_trees): Rename to mudflap_init.  Export.
10434         Rewrite to create synthetic declarations instead of looking
10435         up declarations from mf-runtime.h.
10436         (mf_make_builtin, mf_make_cache_struct_type): New functions.
10437         (mf_cache_shift_decl, mf_cache_mask_decl, mf_unregister_fndecl):
10438         Correct commentary.
10439         (execute_mudflap_function_decls, mudflap_register_call):
10440         Don't call mf_init_extern_trees.
10441         (mudflap_finish_file): Use cgraph_build_static_cdtor.
10442
10443         * tree-mudflap.h: Update prototypes.
10444         * c-mudflap.c: Delete file.
10445         * c-common.c: Include tree-mudflap.h.
10446         (c_common_nodes_and_builtins): Call mudflap_init if appropriate.
10447         * Makefile.in: Remove all references to c-mudflap.o.
10448         Update dependencies.
10449
10450 2004-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10451
10452         * pa.md (prefetch, prefetch_32, prefetch_64): Only allow short
10453         displacements with the spatial-locality cache-control completer.
10454
10455 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
10456
10457         * langhooks.c: Don't include gt-langhooks.h.
10458         (var_labelno): Delete.
10459         (lhd_set_decl_assembler_name): Do not append a distinguishing
10460         number to file-scope internal-linkage declarations for the first
10461         input file, even if they have DECL_CONTEXT set.  Use DECL_UID of
10462         the declaration itself (if at block scope), or its containing
10463         TRANSLATION_UNIT_DECL (if at file scope) for the distinguishing
10464         number.
10465
10466         * opts.c (cur_in_fname): New global.
10467         * opts.h: Declare it.
10468         * tree.c: Include opts.h.
10469         (make_node_stat): If creating a TRANSLATION_UNIT_DECL, give it
10470         DECL_UID equal to cur_in_fname.
10471         (copy_node_stat): Do not change DECL_UID when copying a
10472         TRANSLATION_UNIT_DECL.
10473         (build_common_tree_nodes): Adjust next_decl_uid to reserve the
10474         range 0 .. num_in_fnames-1 for TRANSLATION_UNIT_DECLs.
10475
10476         * c-decl.c (c_static_assembler_name): Delete.
10477         * c-tree.h (c_static_assembler_name): Delete prototype.
10478         * c-lang.c, objc/objc-lang.c: Don't override
10479         LANG_HOOKS_SET_DECL_ASSEMBLER_NAME.
10480
10481         * Makefile.in (tree.o): Update dependencies.
10482         (GTFILES): Remove langhooks.c.
10483
10484 2004-07-05  Roger Sayle  <roger@eyesopen.com>
10485
10486         * fold-const.c (fold) <TRUNC_MOD_EXPR>: Optimize unsigned modulus
10487         by a power of two into a bit-wise AND, i.e. "X % C" as "X & (C-1)".
10488         Normalize "X % C" as "X % -C" for signed modulus and negative C.
10489         Optimize "X % -Y" as "X % Y" for signed modulus.
10490         <EQ_EXPR>: Recursively call "fold" when transforming "(X % Y) == 0"
10491         into "((unsigned) X % Y) == 0".
10492
10493 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
10494
10495         * sourcebuild.texi (Config Fragments): Use @comma{} in
10496         cross-reference to section title.
10497
10498 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10499
10500         * tree.h (DECL_SEEN_IN_BIND_EXPR_P): New macro.
10501         * gimplify.c (gimple_add_tmp_var, gimplify_bind_expr): Use it.
10502         (gimplify_target_expr, gimplify_expr): Likewise.
10503         (copy_if_shared_r): No longer need special case for BIND_EXPR.
10504         (unshare_body, unvisit_body): Only look at nested if BODY_P is
10505         whole function.
10506         (gimplify_compound_lval): See if we can strip any useless conversion.
10507         (gimplify_modify_expr, gimplify_modify_expr_to_memcpy): Take size
10508         from RHS, not LHS.
10509         (gimplify_modify_expr_to_memset): Likewise.
10510         (gimplify_expr, case CONSTRUCTOR): Handle use as statement.
10511         * tree-inline.c (setup_one_parameter): Use DECL_SEEN_IN_BIND_EXPR_P.
10512         (declare_inline_vars): Likewise.
10513         (walk_type_fields): New function.
10514         (walk_tree): Use it.
10515         * tree-nested.c (create_tmp_var_for): Show seen in BIND_EXPR.
10516
10517         * tree-sra.c (struct sra_walk_fns): Init function now returns bool.
10518         (sra_walk_modify_expr): Allow init function to fail.
10519         (scan_init): Now returns bool.
10520         (generate_element_init): If can't understand INIT, return false.
10521         (scalarize_init): Return false if generate_element_init does.
10522
10523         * tree-pretty-print.c (dump_generic_node, case ARRAY_TYPE): Properly
10524         print bounds.
10525
10526         * expr.c (expand_expr_real_1, case SWITCH_EXPR): Don't check against
10527         bounds if bounds aren't constant.
10528
10529         * tree-cfg.c (verify_expr): Use CHECK_OP in binary case.
10530
10531         * function.c, langhooks-def.h, langhooks.h: Move max_size hook
10532         to type hooks; remove bogus PARAMS.
10533
10534 2004-07-05  Nathan Sidwell  <nathan@codesourcery.com>
10535
10536         * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Use TYPE_LANG_SLOT_1.
10537         * dwarf2out.c (add_data_member_location_attribute): Check for
10538         TREE_BINFO.
10539         * tree.c (tree_node_kinds): Add "binfos".
10540         (binfo_lang_slots): New.
10541         (make_node_stat): Add TREE_BINFO.
10542         (make_tree_binfo_stat): New.
10543         (tree_node_structure): Add TREE_BINFO.
10544         * tree.def (TREE_BINFO): New.
10545         * tree.h (REC_OR_UNION_CHECK): Rename to ...
10546         (RECORD_OR_UNION_CHECK): ... here.
10547         (NOT_RECORD_OR_UNION_CHECK): New.
10548         (TRE_VIA_VIRTUAL): Allow TREE_LIST or TREE_BINFO.
10549         (TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD): Adjust for
10550         RECORD_OR_UNION_CHECK.
10551         (TYPE_BINFO): Use RECORD_OR_UNION_CHECK.
10552         (TYPE_LANG_SLOT_1): New.
10553         (BINFO_TYPE, BINFO_OFFSET, BINFO_VTABLE, BINFO_VIRTUALS,
10554         BINFO_BASETYPES, TYPE_BINFO_BASETYPES, BINFO_VPTR_FIELD,
10555         BINFO_BASEACCESSES, BINFO_INHERITANCE_CHAIN): Adjust.
10556         (BINFO_ELTS): Remove.
10557         (BINFO_LANG_SLOT): New.
10558         (struct tree_binfo): New.
10559         (binfo_lang_slots): Declare.
10560         (enum tree_node_structure_enum): Add TS_BINFO.
10561         (union tree_node): Add binfo.
10562         (make_tree_binfo_stat): Declare.
10563         (make_tree_binfo): New.
10564         (enum tree_node_kind): Add binfo_kind.
10565
10566         * objc/objc-act.c (start_class, objc_declare_protocols,
10567         start_protocols): Use TYPE_LANG_SLOT_1.
10568         * objc/objc-act.h (CLASS_BINFO_ELTS, PROTOCOL_BINFO_ELTS): Rename
10569         to ...
10570         (CLASS_LANG_SLOT_ELTS, PROTOCOL_LANG_SLOT_ELTS): ... here.
10571         (CLASS_IVARS, CLASS_RAW_IVARS, CLASS_STATIC_TEMPLATE,
10572         CLASS_CATEGORY_LIST, CLASS_PROTOCOL_LIST, CLASS_OWN_IVARS,
10573         PROTOCOL_LIST, PROTOCOL_FORWARD_DECL): Use TYPE_LANG_SLOT_1.
10574
10575 2004-07-05  Steven Bosscher  <stevenb@suse.de>
10576
10577         * rtl.h (struct rtx_def): Remove the integrated flag.
10578         Use the return_val flag for MEM_SCALAR_P.
10579         Reshuffle and update flags in CLEAR_RTX_FLAGS.
10580
10581 2004-07-05  Richard Sandiford  <rsandifo@redhat.com>
10582
10583         PR target/16357
10584         * config/mips/mips.c (mips_block_move_straight): Pass BLKmode memrefs
10585         to mips_expand_unaligned_load, mips_expand_unaligned_store, and
10586         move_by_pieces.
10587
10588 2004-07-05  Josef Zlomek  <zlomekj@suse.cz>
10589
10590         * var-tracking.c: Fix some comments.
10591         (frame_stack_adjust): New.
10592         (vt_stack_adjustments): Init stack_adjust of entry block to
10593         minus stack adjustment of function prologue.
10594         (adjust_stack_reference): Do not adjust if adjustment == 0.
10595         (compute_bb_dataflow): Use plus_constant instead of gen_rtx_PLUS.
10596         (emit_notes_in_bb): Likewise.
10597         (vt_add_function_parameters): Do not adjust locations of
10598         function arguments.
10599         (vt_initialize): Compute the stack adjustment of function
10600         prologue and offset the initial "location" of frame_base_decl
10601         from the stack pointer after prologue.
10602
10603 2004-07-04  Richard Henderson  <rth@redhat.com>
10604
10605         * function.c (struct assign_parm_data_all): New.
10606         (struct assign_parm_data_one): New.
10607         (assign_parms_initialize_all, assign_parms_augmented_arg_list,
10608         assign_parm_find_data_types, assign_parms_setup_varargs,
10609         assign_parm_find_entry_rtl, assign_parm_is_stack_parm,
10610         assign_parm_find_stack_rtl, assign_parm_adjust_entry_rtl,
10611         assign_parm_adjust_stack_rtl, assign_parm_setup_block_p,
10612         assign_parm_setup_block, assign_parm_setup_reg,
10613         assign_parm_setup_stack, assign_parms_unsplit_complex): Split from ...
10614         (assign_parms): ... here.
10615
10616 2004-07-04  Daniel Berlin  <dberlin@dberlin.org>
10617
10618         * tree-ssa-pre.c (bb_value_sets): phi_gen, tmp_gen, new_sets
10619         now are bitmap_set_t's.
10620         (bitmap_insert_into_set): No point in inserting the value if
10621         it's invariant.
10622         (bitmap_set_contains): New function.
10623         (bitmap_set_replace_value): Add comment on why we do it
10624         this way.
10625         (set_contains): Removed.
10626         (bitmap_set_subtract_from_value_set): New name of
10627         set_subtract now that it's arguments are two different
10628         types of sets.
10629         Update callers.
10630         (bitmap_find_leader): Change algorithm used.
10631         (find_or_generate_expression): Update use of functions for new
10632         bitmap sets.
10633         (create_expression_by_pieces): Ditto.
10634         (insert_aux): Ditto.
10635         (insert): Ditto.
10636         (add_to_sets): Ditto.
10637         (init_pre): Ditto.
10638         (execute_pre): Ditto.
10639         (compute_avail): Ditto.
10640         Also ignore virtual phis.
10641
10642 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
10643
10644         * combine.c (simplify_comparison): Fix comment typo.
10645
10646 2004-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
10647
10648         * config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): Rename
10649         into LEAF_SIBCALL_SLOT_RESERVED_P after negation.
10650         (eligible_for_sibcall_delay): Adjust use of SIBCALL_SLOT_EMPTY_P.
10651         (output_restore): Change parameter from 'insn' to 'pat'.
10652         (output_return): Adjust call to output_restore.
10653         (output_sibcall): Adjust use of SIBCALL_SLOT_EMPTY_P.
10654         Adjust call to output_restore.
10655
10656 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
10657
10658         * config/netbsd.h (NETBSD_OS_CPP_BUILTINS_COMMON): Define __unix__
10659         and assert system is bsd.
10660
10661 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
10662
10663         * config/mips/mips.h (MASK_DEBUG_C, TARGET_DEBUG_C_MODE): Delete.
10664         (TARGET_SWITCHES): Remove -mdebugc.
10665         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
10666         (sltu, sleu): Remove TARGET_DEBUG_C_MODE handling.
10667         (seq_[sd]i, sne_[sd]i, sge_[sd]i, sle_[sd]i_reg, sgeu_[sd]i)
10668         (sle_[sd]i_reg): Delete.
10669
10670 2004-07-04  Steven Bosscher  <stevenb@suse.de>
10671
10672         * config/iq2000/iq2000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
10673         Define.
10674         * config/iq2000/iq2000.md: Translate old pipeline description to an
10675         equivalent new one.
10676
10677 2004-07-04  Roger Sayle  <roger@eyesopen.com>
10678
10679         * tree-ssa-ccp.c (set_rhs): Change function to return a bool.
10680         Ensure the replacement rhs is valid gimple before performing
10681         the substitution.  Return false if these sanity checks fail.
10682         (fold_stmt): Only set changed to true, if set_rhs returns true.
10683         (execute_fold_all_builtins): Only call modify_stmt if set_rhs
10684         succeeds.
10685
10686 2004-07-04  Richard Henderson  <rth@redhat.com>
10687
10688         PR c/16348
10689         * c-typeck.c (c_finish_loop): Don't clear cond for cond_is_first loops.
10690
10691 2004-07-04  Mark Mitchell  <mark@codesourcery.com>
10692
10693         * configure.ac (ranlib_flags): New variable.
10694         * Makefile.in (RANLIB_FLAGS): New variable.
10695         (libbackend.a): Use it.
10696         * configure: Regenerated.
10697
10698 2004-07-04  Roger Sayle  <roger@eyesopen.com>
10699
10700         * ifcvt.c (noce_try_sign_mask): Call emit_store_flag to generate
10701         a "sign mask" instead of using ashr_optab directly.
10702
10703 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
10704
10705         * doc/cpp.texi: Don't document what we do for ill-formed expressions.
10706         * doc/cppopts.texi: Clarify processing of command-line defines.
10707
10708 2004-07-04  Gerald Pfeifer  <gerald@pfeifer.com>
10709
10710         * doc/contrib.texi (Contributors): Adjust link for GNU Classpath.
10711
10712 2004-07-04  Richard Henderson  <rth@redhat.com>
10713
10714         * rtl.def (ADDRESSOF): Remove.
10715         * alias.c (rtx_equal_for_memref_p): Don't handle addressof.
10716         (find_base_term, memrefs_conflict_p): Likewise.
10717         * cse.c (fixed_base_plus_p, find_best_addr: Likewise.
10718         (fold_rtx, cse_insn, set_live_p): Likewise.
10719         * dwarf2out.c (mem_loc_descriptor): Likewise.
10720         (add_location_or_const_value_attribute): Likewise.
10721         * emit-rtl.c (copy_insn_1): Likewise.
10722         * explow.c (memory_address): Likewise.
10723         * expmed.c (store_split_bit_field): Likewise.
10724         * expr.c (expand_expr_real_1): Likewise.
10725         * function.c (instantiate_decl
10726         (instantiate_virtual_regs_1, fix_lexical_addr): Likewise.
10727         * genrecog.c (preds, validate_pattern): Likewise.
10728         * integrate.c (copy_rtx_and_substitute): Likewise.
10729         * recog.c (general_operand, register_operand): Likewise.
10730         (memory_address_p): Likwise.
10731         * reload1.c (eliminate_regs, elimination_effects): Likewise.
10732         * rtl.c (copy_rtx): Likewise.
10733         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
10734         (rtx_addr_can_trap_p, nonzero_address_p, address_cost): Likewise.
10735         * rtlhooks.c (gen_lowpart_general): Likewise.
10736         * stmt.c (expand_asm_operands): Likewise.
10737         * web.c (entry_register, replace_ref, web_main): Likewise.
10738         * config/alpha/alpha.c (input_operand, alpha_legitimate_address_p,
10739         alpha_expand_block_move, alpha_expand_block_clear): Likewise.
10740         * config/arm/arm.c (thumb_rtx_costs): Likewise.
10741         * config/c4x/c4x.c (c4x_valid_operands): Likewise.
10742         * config/frv/frv.c (move_destination_operand, move_source_operand,
10743         condexec_dest_operand, condexec_source_operand,
10744         condexec_memory_operand): Likewise.
10745         * config/h8300/h8300.h (PREDICATE_CODES): Likewise.
10746         * config/ia64/ia64.c (general_xfmode_operand): Likewise.
10747         (destination_xfmode_operand): Likewise.
10748         * config/mips/mips.h (PREDICATE_CODES): Likewise.
10749         * config/mn10300/mn10300.c (mn10300_address_cost_1): Likewise.
10750         * config/s390/s390.c (general_s_operand): Likewise.
10751         * config/s390/s390.md (mov*): Likewise.
10752         * config/sparc/sparc.h (PREDICATE_CODES): Likewise.
10753
10754         * c-typeck.c (c_mark_addressable): Don't put_var_into_stack.
10755         * expr.c (expand_expr_real_1): Likewise.
10756         * stmt.c (expand_decl): Likewise.
10757         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
10758
10759         * function.c (struct fixup_replacement, struct insns_for_mem_entry,
10760         postponed_insns, put_var_into_stack, put_reg_into_stack,
10761         schedule_fixup_var_refs, fixup_var_refs, find_fixup_replacement,
10762         fixup_var_refs_insns, fixup_var_refs_insns_with_hash,
10763         fixup_var_refs_insn, fixup_var_refs_1, fixup_memory_subreg,
10764         walk_fixup_memory_subreg, fixup_stack_1, optimize_bit_field,
10765         gen_mem_addressof, flush_addressof, put_addressof_into_stack,
10766         purge_bitfield_addressof_replacements, purge_addressof_replacements,
10767         purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
10768         struct insns_for_mem_walk_info, insns_for_mem_walk,
10769         compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
10770         setjmp_protect_args): Remove.
10771         (push_function_context_to): Don't handle var_refs_queue.
10772         (pop_function_context_from, free_after_compilation): Likewise.
10773         (instantiate_virtual_regs): Don't handle parm_reg_stack_loc.
10774         (assign_parms, allocate_struct_function): Likewise.
10775         (use_register_for_decl): New.
10776         (expand_function_end): Don't setjmp_protect.
10777         * function.h (struct emit_status): Update commentary.
10778         (struct function): Remove x_max_parm_reg, x_parm_reg_stack_loc.
10779         (max_parm_reg, parm_reg_stack_loc): Remove.
10780         * passes.c (DFI_addressof): Remove.
10781         (dump_file_info): Remove addressof.
10782         (rest_of_handle_addressof): Remove.
10783         (rest_of_compilation): Don't call it.
10784         * rtl.h (ADDRESSOF_REGNO, ADDRESSOF_DECL): Remove.
10785         * stmt.c (expand_decl): Use use_register_for_decl.
10786         * tree.h: Update decls.
10787         * web.c (mark_addressof): Remove.
10788         * doc/invoke.texi (-dF): Remove.
10789
10790 2004-07-03  Richard Henderson  <rth@redhat.com>
10791
10792         * config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
10793         instead of gen_mem_addressof.
10794         * config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
10795         TImode output register.
10796
10797 2004-07-03  Richard Henderson  <rth@redhat.com>
10798
10799         PR tree-optimization/16341
10800         * tree-sra.c (sra_walk_function): Increment to next stmt before
10801         processing the current stmt.
10802         (sra_insert_after): Always use BSI_SAME_STMT.
10803
10804 2004-07-03  Richard Henderson  <rth@redhat.com>
10805
10806         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Don't fold
10807         fp plus with minus.
10808
10809 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
10810
10811         * tree.c (type_hash_eq): Allow TYPE_MIN_VALUE which compares equal
10812         with tree_int_cst_equal.
10813
10814 2004-07-03  Andreas Schwab  <schwab@suse.de>
10815
10816         * config/ia64/ia64.md: Define new attribute "empty".
10817         (prologue_use, nop_x, insn_group_barrier): Set it.
10818
10819         * config/ia64/ia64.c (ia64_reorg): When looking for trailing call
10820         skip over "empty" insns.
10821
10822 2004-07-03  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10823
10824         * tree-inline.c (initialize_inlined_parameters): Pass proper function
10825         context to gimplify_body.
10826         (walk_tree): Don't walk into types twice.
10827         (walk_tree, case POINTER_TYPE): Deal with mutually recursive pointers.
10828
10829         * tree-sra.c (generate_element_init): Remove any useless conversions.
10830
10831         * gimplify.c (gimplify_conversion): Remove stripping useless
10832         conversions from here.
10833         (gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.
10834         (gimplify_modify_expr_to_memcpy, gimplify_variable_sized_compare):
10835         Unshare before substituting PLACEHOLDER_EXPR.
10836         (gimplify_modify_expr_to_memset): Likewise.
10837         Pass address of TO to memset, not TO itself.
10838         (gimplify_init_constructor): Make copy of OBJECT so we have it each
10839         time we make an expression (to match a PLACEHOLDER_EXPR).
10840
10841         * tree-ssa.c (tree_ssa_useless_type_conversion): Also look at
10842         VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
10843         * tree-ssa-ccp.c (fold_stmt): Call just STRIP_USELESS_TYPE_CONVERSION.
10844         * tree-ssa-dom.c (local_fold): Likewise.
10845
10846         * langhooks-def.h (LANG_HOOKS_TYPE_MAX_SIZE): New langhook.
10847         * langhooks.h (strct lang_hooks): New field type_max_size.
10848         * function.c (assign_temp): Call it.
10849
10850 2004-07-03  Steven Bosscher  <stevenb@suse.de>
10851
10852         * config/sh/sh.c (sh_use_dfa_interface): Add TARGET_SH1.
10853         * config/sh/sh.md: Convert the SH1 pipeline description to
10854         a DFA model.
10855
10856 2004-07-02  Zack Weinberg  <zack@codesourcery.com>
10857
10858         * c-decl.c (struct c_binding): Remove contour field; add
10859         depth, invisible, nested fields.
10860         (B_IN_SCOPE, B_IN_CURRENT_SCOPE, B_IN_FILE_SCOPE)
10861         (B_IN_EXTERNAL_SCOPE): New convenience macros.
10862         (bind): Add invisible and nested arguments. Initialize
10863         new fields of struct c_binding; adjust loop scanning for
10864         insertion point.
10865         (free_binding_and_advance): Clear structure with memset.
10866         (pop_scope): Adjust to match.  Set DECL_CONTEXT on everything
10867         in file scope, even if it's in external scope too.
10868         (pushdecl): Adjust to match.  Create invisible file-scope
10869         declarations for block-scope forward declarations of static functions.
10870         (pushtag, warn_if_shadowing, pushdecl_top_level, implicitly_declare)
10871         (undeclared_variable, lookup_label, declare_label, define_label)
10872         (lookup_tag, lookup_name, lookup_name_in_scope, builtin_function)
10873         (c_make_fname_decl, store_parm_decls_newstyle, identifier_global_value)
10874         (store_parm_decls_oldstyle): Adjust to match.
10875         (diagnose_mismatched_decls): Correct handling of linkage clashes.
10876         (merge_decls): No need to copy C_DECL_IN_EXTERNAL_SCOPE.
10877
10878         * c-tree.h (C_DECL_IN_EXTERNAL_SCOPE): Delete.
10879         (C_DECL_DECLARED_BUILTIN, C_DECL_REGISTER): Slide down one.
10880
10881 2004-07-02  Richard Henderson  <rth@redhat.com>
10882
10883         * c-decl.c (grokdeclarator): Don't frob current_function_decl
10884         around variable_size.
10885         (set_decl_nonlocal): Remove.
10886         (store_parm_decls): Add stmts for pending sizes.
10887         * calls.c (calls_function, calls_function_1): Remove.
10888         (precompute_arguments): Don't call it.
10889         * cfgexpand.c (set_save_expr_context): Remove.
10890         (tree_expand_cfg): Don't call it.
10891         * dwarf2out.c (add_bound_info): Don't handle SAVE_EXPR.
10892         (dwarf2out_finish): Likewise.
10893         * expr.c (emit_block_move): Adjust addresses to BLKmode.
10894         (store_constructor): Don't pre-evaluate SAVE_EXPR.
10895         (safe_from_p): Don't queue SAVE_EXPRs.
10896         (expand_expr_real_1 <case SAVE_EXPR>): Rewrite to expect,
10897         or build plain VAR_DECLs.
10898         * fold-const.c (twoval_comparison_p): Don't look at SAVE_EXPR_RTL.
10899         (fold): Likewise.
10900         (fold_checksum_tree): Don't special-case SAVE_EXPR.
10901         * function.c (free_after_compilation): Don't clear x_save_expr_regs.
10902         (put_var_into_stack): Don't handle SAVE_EXPR.
10903         (gen_mem_addressof): Likewise.
10904         * function.h (struct function): Remove x_save_expr_regs.
10905         (save_expr_regs): Remove.
10906         * gengtype.c (adjust_field_tree_exp): Don't special-case SAVE_EXPR.
10907         * print-tree.c (print_node): Don't dump SAVE_EXPR_NOPLACEHOLDER.
10908         * stor-layout.c (variable_size): Don't set it.
10909         (force_type_save_exprs, force_type_save_exprs_1): Remove.
10910         * tree-inline.c (remap_save_expr): Remove fn argument.  Update
10911         all callers.  Don't set SAVE_EXPR_CONTEXT.
10912         * tree-inline.h (remap_save_expr): Update decl.
10913         * tree.c (save_expr): Update build size.
10914         (first_rtl_op): Don't handle SAVE_EXPR.
10915         (unsave_expr_1, contains_placeholder_p): Likewise.
10916         (decl_function_context): Likewise.
10917         * tree.def (SAVE_EXPR): Remove args 1 and 2.
10918         * tree.h (SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL): Remove.
10919         (SAVE_EXPR_NOPLACEHOLDER, SAVE_EXPR_PERSISTENT_P): Remove.
10920
10921 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
10922
10923         * doc/bugreport.texi, doc/configterms.texi, doc/contrib.texi,
10924         doc/contribute.texi, doc/cpp.texi, doc/cppinternals.texi,
10925         doc/extend.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
10926         doc/portability.texi, doc/tree-ssa.texi, doc/trouble.texi: Avoid
10927         some first-person references and patronizing comments.  Based on
10928         printed manual.
10929         * doc/invoke.texi: Don't reference fortran@gnu.org.
10930         * doc/trouble.texi (Warning when a non-void function value is
10931         ignored): Rewrite.  From Russ Allbery and Chris Devers.
10932
10933 2004-07-02  Daniel Berlin  <dberlin@dberlin.org)
10934
10935         * tree-ssa-pre.c (bitmap_set_t): New.
10936         (bb_value_sets): avail_out is now a bitmap_set_t.
10937         (bitmap_find_leader): New function.
10938         (bitmap_value_insert_into_set): Ditto.
10939         (bitmap_set_copy): Ditto.
10940         (bitmap_value_replace_in_set): Ditto.
10941         (bitmap_set_contains_value): Ditto.
10942         (bitmap_set_new): Ditto.
10943         (bitmap_set_pool): New pool.
10944         (find_or_generate_expression): Use bitmap_ functions on AVAIL sets.
10945         (insert_aux): Ditto.
10946         (add_to_sets): Ditto.
10947         (compute_avail): Ditto
10948         (eliminate): Ditto.
10949         (init_pre): Ditto.
10950         (fini_pre): Ditto.
10951         (execute_pre): Ditto.
10952
10953 2004-07-02  Roger Sayle  <roger@eyesopen.com>
10954
10955         * config/rs6000/rs6000.c (struct processor_costs): New structure
10956         used to hold instruction latencies/sizes for processor types.
10957         (rs6000_cost): New global variable pointing to current CPU's costs.
10958         (rs6000_override_options): Initialize rs6000_cost to point to the
10959         appropriate cost table based upon rs6000_cpu and optimize_size.
10960         (rs6000_rtx_costs): Use rs6000_cost to avoid hardcoding processor
10961         timings inline.
10962
10963 2004-07-02  Richard Henderson  <rth@redhat.com>
10964
10965         * expmed.c (make_tree): Don't use SET_DECL_RTL.
10966
10967 2004-07-02  Steven Bosscher  <stevenb@suse.de>
10968
10969         * tree-flow.h (bb_ann_d): Remove ephi_nodes field.
10970
10971 2004-07-01  Richard Henderson  <rth@redhat.com>
10972
10973         * config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
10974         (alpha_gp_save_rtx): Use assign_stack_local instead of
10975         gen_mem_addressof.
10976
10977 2004-07-01  Richard Henderson  <rth@redhat.com>
10978
10979         * config/alpha/alpha.c (struct alpha_rtx_cost_data): Add int_div.
10980         (alpha_rtx_cost_data): Update to match.
10981         (alpha_rtx_cost_size): New.
10982         (alpha_rtx_costs): Honor optimize_size.
10983
10984 2004-07-01  Richard Henderson  <rth@redhat.com>
10985
10986         * gimple-low.c (lower_function_body): Don't reset_block_changes here.
10987         * cfgexpand.c (tree_expand_cfg): Do it here.
10988         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): And here.
10989         * config/ia64/ia64.c (ia64_output_mi_thunk): And here.
10990         * config/mips/mips.c (mips_output_mi_thunk): And here.
10991         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): And here.
10992         * config/sh/sh.c (sh_output_mi_thunk): And here.
10993         * config/sparc/sparc.c (sparc_output_mi_thunk): And here.
10994
10995 2004-07-01  Richard Henderson  <rth@redhat.com>
10996
10997         * tree.def (RTL_EXPR): Remove.
10998         * c-typeck.c (lvalue_p): Don't handle it.
10999         * expr.c (safe_from_p): Likewise.
11000         (expand_expr_real_1): Likewise.
11001         * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
11002         (fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
11003         * gengtype.c (adjust_field_tree_exp): Likewise.
11004         * stmt.c (warn_if_unused_value): Likewise.
11005         * tree-gimple.c (recalculate_side_effects): Likewise.
11006         * tree-pretty-print.c (dump_generic_node): Likewise.
11007         * tree.c (make_node_stat, first_rtl_op, unsave_expr_1): Likewise.
11008         (unsafe_for_reeval, stabilize_reference, build1_stat): Likewise.
11009         * tree.h (RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, RTL_EXPR_ALT_RTL): Remove.
11010
11011         * stmt.c (struct stmt_status): Remove x_last_expr_type,
11012         x_last_expr_value, x_last_expr_alt_rtl, x_expr_stmts_for_value.
11013         (last_expr_type, last_expr_value, last_expr_alt_rtl): Remove.
11014         (expand_expr_stmt): Merge with expand_expr_stmt_value.  Remove
11015         all the bits that tracked last_expr.
11016         (expand_end_bindings): Don't track last_expr.
11017         (expand_start_stmt_expr, expand_end_stmt_expr): Remove.
11018         (clear_last_expr): Remove.
11019         (expand_asm): Don't call it.
11020         (expand_asm_operands, expand_end_cond): Likewise.
11021         (expand_naked_return, expand_null_return_1): Likewise.
11022         * c-typeck.c (c_begin_compound_stmt): Likewise.
11023         * cfgexpand.c (expand_block): Use expand_expr_stmt.
11024         * expr.c (expand_expr_real_1): Likewise.
11025         * tree.h: Update prototypes.
11026
11027         * function.h (struct sequence_stack): Remove sequence_rtl_expr.
11028         (struct emit_status): Remove sequence_rtl_expr.
11029         (struct function): Remove x_rtl_expr_chain.
11030         (seq_rtl_expr, rtl_expr_chain): Remove.
11031         * function.c (struct temp_slot): Remove rtl_expr.
11032         (assign_stack_temp_for_type): Don't set it.
11033         (free_temp_slots, pop_temp_slots): Don't check it.
11034         (free_after_compilation): Don't clear x_rtl_expr_chain.
11035         (fixup_var_refs): Don't search it.
11036         (preserve_rtl_expr_result, free_temps_for_rtl_expr): Remove.
11037         * emit-rtl.c (start_sequence): Don't use sequence_rtl_expr
11038         or seq_rtl_expr.
11039         (push_topmost_sequence): Likewise.
11040         (end_sequence, init_emit): Likewise.
11041         (start_sequence_for_rtl_expr): Remove.
11042         * expmed.c (make_tree): Build a VAR_DECL instead of an RTL_EXPR.
11043         * rtl.h (preserve_rtl_expr_result): Remove.
11044
11045 2004-07-02  Kazu Hirata  <kazu@cs.umass.edu>
11046
11047         * ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
11048         tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
11049         typos.
11050
11051 2004-07-02  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
11052
11053         * gcc.c (STANDARD_STARTFILE_PREFIX_1): Define.
11054         (STANDARD_STARTFILE_PREFIX_2): Define.
11055         (standard_startfile_prefix_1): Initialize to
11056         STANDARD_STARTFILE_PREFIX_1.
11057         (standard_startfile_prefix_2): Initialize to
11058         STANDARD_STARTFILE_PREFIX_2.
11059         * config/i386/mingw32.h (MD_STARTFILE_PREFIX): Remove.
11060         (STANDARD_STARTFILE_PREFIX_1): Define.
11061         (STANDARD_STARTFILE_PREFIX_2): Define.
11062         * doc/tm.texi (STANDARD_STARTFILE_PREFIX_1): Document.
11063         (STANDARD_STARTFILE_PREFIX_2): Document.
11064
11065 2004-07-01  Richard Henderson  <rth@redhat.com>
11066
11067         * tree-sra.c (sra_walk_expr): Don't maybe_lookup_element_for_expr
11068         in order to disable scalarization.  Instead set a flag and wait
11069         for a candidate decl.
11070
11071 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
11072
11073         * doc/cppinternals.texi, doc/install.texi, doc/invoke.texi,
11074         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi:
11075         Use terminology "testsuite" and "enumerated".
11076
11077 2004-07-01  Richard Henderson  <rth@redhat.com>
11078
11079         * dwarf2out.c (reg_save): Use INVALID_REGNUM.
11080         (dwarf2out_reg_save, dwarf2out_return_save): Likewise.
11081         (initial_return_save): Likewise.
11082         (flush_queued_reg_saves): Remap register numbers.
11083         (dwarf2out_return_reg): Likewise.
11084
11085 2004-07-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11086
11087         * gimplify.c (gimplify_one_sizepos): Don't do anything if any VAR_DECL.
11088
11089         * tree-pretty-print.c (dump_generic_node, case ARRAY_REF): Use
11090         access functions for lower bound and element size and only output
11091         if lower bound nonzero or element size not same as that of type.
11092         (dump_generic_node, case COMPONENT_REF): Use access func. for offset.
11093
11094 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
11095
11096         * c-pretty-print.c (pp_c_postfix_expression): Fix pasto.
11097
11098 2004-07-01  Per Bothner  <per@bothner.com>
11099
11100         * final.c (final):  Fix typo reported by Aaron W. LaFramboise.
11101
11102 2004-07-01  Jakub Jelinek  <jakub@redhat.com>
11103
11104         * expr.c (expand_assignment): Optimize bitfld += cst for 1 bit
11105         bitfields as well.  STRIP_NOPS from src operand and PLUS_EXPR's
11106         first operand.  Don't optimize if the bitfield is volatile.
11107
11108 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
11109
11110         * c-pretty-print.c (pp_c_postfix_expression): Handle
11111         floating-point comparison operators.
11112         (pp_c_expression): Pass floating-point comparison
11113         operators to pp_c_postfix_expression.
11114
11115 2004-07-01  Roger Sayle  <roger@eyesopen.com>
11116
11117         * simplify-rtx.c (simplify_binary_operation) <PLUS, MINUS>: Use
11118         rtx_cost instead of "had_mult" to determine whether the transformed
11119         expression is cheaper than the original.
11120
11121 2004-07-01  Jerry Quinn  <jlquinn@optonline.net>
11122
11123         * alias.c (get_alias_set, canon_rtx, get_addr,
11124         nonoverlapping_memrefs_p, nonlocal_referenced_p_1, memory_modified_1):
11125         Use MEM_P.
11126         * builtins.c (expand_builtin_prefetch, expand_builtin_profile_func,
11127         expand_builtin): Likewise.
11128         * calls.c (expand_call, emit_library_call_value_1, store_one_arg):
11129         Likewise.
11130         * combine.c (can_combine_p, combinable_i3pat, try_combine,
11131         find_split_point, combine_simplify_rtx, simplify_set, make_extraction,
11132         rtx_equal_for_field_assignment_p, gen_lowpart_for_combine,
11133         record_dead_and_set_regs_1, get_last_value_validate,
11134         mark_used_regs_combine, move_deaths, unmentioned_reg_p_1): Likewise.
11135         * cse.c (check_dependence, canon_hash, equiv_constant,
11136         gen_lowpart_if_possible, cse_insn, invalidate_from_clobbers,
11137         cse_around_loop, cse_check_loop_start, cse_set_around_loop,
11138         count_reg_usage): Likewise.
11139         * cselib.c (rtx_equal_for_cselib_p, add_mem_for_addr, cselib_lookup,
11140         cselib_invalidate_mem, cselib_invalidate_rtx, cselib_record_set,
11141         cselib_record_sets): Likewise.
11142         * dbxout.c (PARM_PASSED_IN_MEMORY, dbxout_symbol,
11143         dbxout_symbol_location, dbxout_parms, dbxout_reg_parms): Likewise.
11144         * ddg.c (mark_mem_use, mark_mem_store, rtx_mem_access_p): Likewise.
11145         * df.c (df_uses_record): Likewise.
11146         * dojump (do_jump): Likewise.
11147         * dwarf2out.c (stack_adjust_offset, mem_loc_descriptor,
11148         loc_descriptor_from_tree, rtl_for_decl_location, add_bound_info,
11149         decl_start_label): Likewise.
11150         * emit-rtl.c (gen_complex_constant_part, gen_highpart,
11151         operand_subword, change_address_1, make_safe_from): Likewise.
11152         * explow.c (break_out_memory_refs, copy_all_regs, validize_mem,
11153         stabilize, force_not_mem): Likewise.
11154         * expmed.c (store_bit_field, store_split_bit_field, extract_bit_field,
11155         expand_mult_const, expand_divmod, emit_store_flag): Likewise.
11156         * expr.c (convert_move, convert_modes, emit_block_move,
11157         emit_group_load, emit_group_store, clear_storage, emit_move_insn,
11158         emit_move_insn_1, expand_assignment, store_expr,
11159         store_constructor_field, store_constructor, store_field,
11160         force_operand, safe_from_p, expand_expr_real_1, expand_increment):
11161         Likewise.
11162         * final.c (cleanup_subreg_operands, alter_subreg,
11163         get_mem_expr_from_op): Likewise.
11164         * flow.c (notice_stack_pointer_modification_1,
11165         init_propagate_block_info, insn_dead_p, mark_set_1, mark_used_regs):
11166         Likewise.
11167         * function.c (mark_temp_addr_taken, preserve_temp_slots,
11168         preserve_rtl_expr_result, put_var_into_stack, fixup_var_refs_1,
11169         optimize_bit_field, flush_addressof, purge_addressof_1,
11170         instantiate_decl, instantiate_virtual_regs_1, assign_parms,
11171         setjmp_protect, setjmp_protect_args, fix_lexical_addr,
11172         keep_stack_depressed): Likewise.
11173         * ifcvt.c (noce_try_cmove_arith, noce_try_abs, noce_operand_ok,
11174         noce_process_if_block, find_memory): Likewise.
11175         * integrate.c (subst_constants, allocate_initial_values): Likewise.
11176         * local-alloc.c (validate_equiv_mem_from_store, memref_referenced_p,
11177         update_equiv_regs): Likewise.
11178         * loop.c (scan_loop, prescan_loop, note_addr_stored, check_store,
11179         maybe_eliminate_biv_1, find_mem_in_note_1): Likewise.
11180         * optabs.c (expand_abs, emit_unop_insn): Likewise.
11181         * passes.c (rest_of_handle_final): Likewise.
11182         * postreload.c (reload_cse_simplify_set, reload_cse_simplify_operands,
11183         move2add_note_store): Likewise.
11184         * ra-build.c (detect_remat_webs): Likewise.
11185         * ra-debug.c (dump_static_insn_cost): Likewise.
11186         * ra-rewrite.c (slots_overlap_p, insert_stores): Likewise.
11187         * recog.c (validate_change, apply_change_group, cancel_changes,
11188         validate_replace_rtx_1, general_operand, register_operand,
11189         nonmemory_operand, push_operand, pop_operand, memory_operand,
11190         indirect_operand, asm_operand_ok, offsettable_memref_p,
11191         offsettable_nonstrict_memref_p, constrain_operands,
11192         store_data_bypass_p): Likewise.
11193         * reg-stack.c (subst_stack_regs_pat): Likewise.
11194         * regclass.c (record_operand_costs, scan_one_insn, record_reg_classes,
11195         copy_cost, reg_scan_mark_refs): Likewise.
11196         * regmove.c (optimize_reg_copy_3, stack_memref_p,
11197         combine_stack_adjustments_for_block): Likewise.
11198         * regrename.c (copyprop_hardreg_forward_1): Likewise.
11199         * reload.c (can_reload_into, push_reload, decompose, immune_p,
11200         find_reloads, find_reloads_address, find_reloads_address_1,
11201         reg_overlap_mentioned_for_reload_p, refers_to_mem_for_reload_p,
11202         find_equiv_reg): Likewise.
11203         * reload1.c (reload, eliminate_regs, eliminate_regs_in_insn,
11204         reload_as_needed, choose_reload_regs, emit_input_reload_insns,
11205         do_input_reload, emit_reload_insns, gen_reload, delete_output_reload,
11206         delete_address_reloads): Likewise.
11207         * resource.c (mark_referenced_resources): Likewise.
11208         * rtlanal.c (get_jump_table_offset, count_occurrences,
11209         reg_referenced_p, reg_set_p, set_of_1, set_noop_p,
11210         reg_overlap_mentioned_p, note_uses, replace_regs, nonzero_bits1,
11211         num_sign_bit_copies1): Likewise.
11212         * rtlhooks.c (gen_lowpart_general): Likewise.
11213         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
11214         * sdbout.c (PARM_PASSED_IN_MEMORY, sdbout_symbol,
11215         sdbout_toplevel_data, sdbout_parms, sdbout_reg_parms,
11216         sdbout_global_decl): Likewise.
11217         * simplify-rtx.c (simplify_subreg): Likewise.
11218         * stmt.c (expand_asm_operands, expand_expr_stmt_value, expand_decl,
11219         expand_anon_union_decl, expand_end_case_type): Likewise.
11220         * unroll.c (calculate_giv_inc): Likewise.
11221         * var-tracking.c (stack_adjust_offset_pre_post,
11222         bb_stack_adjust_offset, track_expr_p, count_uses, add_uses,
11223         add_stores, compute_bb_dataflow, vt_get_decl_and_offset,
11224         vt_add_function_parameters): Likewise.
11225         * varasm.c (make_var_volatile, notice_global_symbol,
11226         assemble_external, decode_addr_const, mark_weak,
11227         default_encode_section_info): Likewise.
11228
11229 2004-07-01  Steven Bosscher  <stevenb@suse.de>
11230
11231         * stmt.c (check_seenlabel): Remove.
11232         (pushcase, pushcase_range, expand_end_case_type): Don't call it.
11233
11234 2004-07-01  Richard Henderson  <rth@redhat.com>
11235
11236         * function.h (struct function): Remove x_function_call_count.
11237         (function_call_count): Remove.
11238         * calls.c (expand_call): Don't set it.
11239         * integrate.c (copy_rtx_and_substitute): Likewise.
11240
11241         * function.h (struct function): Remove x_cleanup_label.
11242         (cleanup_label): Remove.
11243         * stmt.c (expand_value_return): Don't use it.
11244         * function.c (free_after_compilation): Don't set it.
11245         (expand_function_start): Likewise.  Remove parms_have_cleanups arg.
11246         * cfgexpand.c (tree_expand_cfg): Update call.
11247         * tree.h (expand_function_start): Update decl.
11248
11249 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
11250
11251         PR c/1027
11252         * c-lang.c (c_initialize_diagnostics): Move from here ...
11253         * c-objc-common.c: ... to here.  Include "c-pretty-print.h".
11254         (c_tree_printer): Use pretty-printer to format %T.
11255         * c-pretty-print.c (pp_c_specifier_qualifier_list): Include space
11256         before '*' if not C++.
11257         (pp_c_direct_abstract_declarator): Don't try to print array upper
11258         bound for flexible array members.
11259         * c-tree.h: Include "diagnostic.h".
11260         (c_initialize_diagnostics): Declare.
11261         * objc/objc-lang.c (LANG_HOOKS_INITIALIZE_DIAGNOSTICS): Define.
11262         * c-format.c (format_type_warning): New function.  Improve
11263         diagnostics for incorrect format argument types.
11264         (check_format_types): Use it.  Add two parameters.  Use the
11265         TYPE_MAIN_VARIANT of wanted_type.
11266         (check_format_info_main): Pass new parameters to
11267         check_format_types.
11268         (struct format_wanted_type): Update comment.
11269
11270 2004-07-01  Nick Clifton  <nickc@redhat.com>
11271
11272         * target.h (struct gcc_target): Add new field to struct cxx:
11273         import_export_class.
11274         * target-def.h (TARGET_CXX): Initialise the new field.
11275         (TARGET_CXX_IMPORT_EXPORT_CLASS): Provide a default value for
11276         the new field.
11277         * doc/tm.texi: Document the new target hook.
11278
11279 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
11280
11281         * builtins.c (fold_builtin_classify): Fix typo.
11282
11283 2004-07-01  Richard Henderson  <rth@redhat.com>
11284
11285         * function.c (identify_blocks, identify_blocks_1): Remove.
11286         * function.h (identify_blocks): Remove.
11287         * rtl.h (NOTE_INSN_BLOCK_BEG): Update comment.
11288
11289 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
11290
11291         * builtins.c (fold_builtin_classify): New.
11292         (fold_builtin_unordered_cmp): Fix commentary.
11293         (fold_builtin): Use it.
11294         * builtins.def: Define builtins for isnan,
11295         isnanf, isnanl, finite, finitef, finitel,
11296         isinf, isinff, isinfl.
11297
11298 2004-07-01  Richard Henderson  <rth@redhat.com>
11299
11300         * function.h (struct function): Remove dont_emit_block_notes.
11301         * gimple-low.c (lower_function_body): Don't set it.
11302         * cfgexpand.c (expand_block): Don't check it.
11303         * cfglayout.c (insn_locators_initialize): Likewise.
11304         * expr.c (expand_expr_real, expand_expr_real_1): Likewise.
11305         * passes.c (rest_of_compilation): Likewise.
11306         * stmt.c (expand_start_bindings_and_block): Likewise.
11307         (expand_end_bindings): Likewise.
11308
11309 2004-07-01  Richard Henderson  <rth@redhat.com>
11310
11311         * cgraph.h (cgraph_build_static_cdtor): Declare.
11312         * cgraphunit.c (cgraph_build_static_cdtor): New.
11313         * c-objc-common.c (build_cdtor): Use it.
11314         * coverage.c (create_coverage): Likewise.
11315         * libfuncs.h (LTI_gcov_init, gcov_init_libfunc): Remove.
11316         * optabs.c (init_optabs): Don't set gcov_init_libfunc.
11317
11318 See ChangeLog.11 for earlier changes.