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* expr.c (expand_expr_real_1, case PARM_DECL): Remove obsolete error
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2004-07-27  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2
3         * expr.c (expand_expr_real_1, case PARM_DECL): Remove obsolete error
4         check.
5
6         * gimplify.c (maybe_with_size_expr): If already have WITH_SIZE_EXPR,
7         don't make another one.
8
9         PR optimization/15077
10         * function.h (struct function): Add field saved_static_chain_decl.
11         Fix comment for static_chain_decl.
12         * tree-inline.c (save_body): Add new arg and handle static_chain_decl.
13         * tree-inline.h (save_body): Add new arg.
14         * tree-optimize.c (tree_rest_of_compilation): Handle saving
15         static_chain_decl.
16
17 2004-07-27  Richard Henderson  <rth@redhat.com>
18
19         * gimplify.c (is_gimple_addr_expr_arg_or_indirect): Remove.
20         (gimplify_modify_expr, gimplify_addr_expr, gimplify_expr): Use
21         is_gimple_addressable.
22         * tree-gimple.c (is_gimple_addressable): Rename from
23         is_gimple_addr_expr_arg; accept INDIRECT_REF.
24         (is_gimple_lvalue): Don't test INDIRECT_REF directly.
25         * tree-gimple.h, tree-sra.c, tree-ssa-loop-im.c: Update for
26         rename to is_gimple_addressable.
27
28 2004-07-28  Alan Modra  <amodra@bigpond.net.au>
29
30         * config/rs6000/rs6000.c (function_arg_padding): Pad SFmode upwards.
31
32 2004-07-27  Richard Henderson  <rth@redhat.com>
33
34         * function.c (assign_stack_local_1): Widen alignment to HOST_WIDE_INT
35         before rounding.
36
37 2004-07-27  Zack Weinberg  <zack@codesourcery.com>
38
39         * libgcc2.c: Change all conditionals testing
40         LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 96 to == 80.
41         * libgcc2.h: Likewise.
42         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Set
43         TYPE_PRECISION of float80_type to 80.
44         * config/ia64/ia64.c (ia64_init_builtins): Set TYPE_PRECISION
45         of fpreg_type and float80_type to 80.
46         * config/i386/i386.h, config/ia64/ia64.h, config/m68k/m68k.h
47         * config/m68k/netbsd-elf.h:
48         Change LONG_DOUBLE_TYPE_SIZE and possibly LIBGCC2_LONG_DOUBLE_TYPE_SIZE
49         to evaluate to 80 whenever they would formerly have evaluated to 96.
50         * config/i386/sco5.h: Remove unnecessary redefinition of
51         LONG_DOUBLE_TYPE_SIZE.
52         * doc/rtl.texi: Clarify uses of XFmode and TFmode.
53         * config/i386/i386-modes.def: Use FRACTIONAL_FLOAT_MODE for
54         XFmode, with a bitsize of 80.  Update commentary.
55         * config/ia64/ia64-modes.def: Likewise.
56         * config/m68k/m68k-modes.def: Likewise.
57
58 2004-07-27  Steven Bosscher  <stevenb@suse.de>
59
60         * cfgexpand.c (tree_expand_cfg): Fix comment.
61
62         * calls.c (expand_call): Ignore rtx_equal_function_value_matters.
63         * function.c (purge_single_hard_subreg_set, purge_hard_subreg_sets):
64         Remove.
65         (prepare_function_start): Don't set rtx_equal_function_value_matters.
66         * integrate.c (copy_rtx_and_substitute): Don't test for it.
67         * passes.c (rest_of_compilation): Don't call purge_hard_subreg_sets.
68         Don't set rtx_equal_function_value_matters.  Don't register RTL hooks
69         here again.  Update leading comment.
70         * rtl.c (rtx_equal_function_value_matters): Remove.
71         (rtx_equal_p): Don't test for it.
72         * simplify-rtx.c (simplify_binary_operation, simplify_subreg):
73         Likewise.
74
75         * rtl.h (enum insn_note): Remove NOTE_INSN_LOOP_END_TOP_COND.
76         * rtl.c (note_insn_name): Likewise.
77         * emit-rtl.c (remove_unnecessary_notes): Don't handle it.
78         * final.c (final_scan_insn): Likewise.
79
80         * except.c (finish_eh_generation): Don't call cfg_cleanup from here.
81         * passes.c (rest_of_handle_eh): Do it here.
82
83         * stmt.c (struct nesting): Remove struct nesting block member.
84         (struct stmt_status): Remove x_block_start_count field.
85         (current_block_start_count): Remove.
86
87 2004-07-27  Brian Booth  <bbooth@redhat.com>
88
89         * tree-optimize.c (register_one_dump_file): Update condition that uses
90         static_pass_number.
91         (dup_pass_1): Replace with...
92         (next_pass_1): This.
93         (NEXT_PASS): Call next_pass_1.
94         (DUP_PASS): Remove.
95         (init_tree_optimization_passes): Remove uses of DUP_PASS.
96         (execute_one_pass): Update condition that uses
97         static_pass_number.
98         * tree-pass.h (tree_opt_pass): Declare static_pass_number as a signed
99         integer.
100
101 2004-07-27  Nick Clifton  <nickc@redhat.com>
102
103         * config/m32r/m32r.c: Include integrate.h in order to get the
104         prototype for get_hard_reg_initial_val().
105
106         * config/m32r/m32r.md (m32rpipeline): Remove unused value "m32r"
107         and tidy up indentation.
108         (final_presence_set): Use absence_set instead, so that if there is
109         nothing in the "o" pipe the "s" pipe can be scheduled.
110
111 2004-07-27  Diego Novillo  <dnovillo@redhat.com>
112
113         * tree-ssa-alias.c (create_name_tags): Ignore pointers that
114         don't have PT_VARS nor PT_MALLOC set.
115         Clear name tag from pointers that have not been dereferenced.
116         (set_pt_anything, set_pt_malloc): Forward declare.
117         * tree-ssa-copy.c (may_propagate_copy): Compare alias sets,
118         not type compatibility when determining if a pointer can be
119         copy propagated.
120
121 2004-07-27  Richard Sandiford  <rsandifo@redhat.com>
122
123         * expr.h (canonicalize_condition, get_condition): Add an int argument.
124         * gcse.c (fis_get_condition): Reimplement using get_condition, leaving
125         it to check whether the condition is still valid at the jump insn.
126         * ifcvt.c (noce_get_condition): Likewise.
127         (noce_get_alt_condition): Update call to canonicalize_condition.
128         * loop-iv.c (simplify_using_initial_values): Update call to
129         get_condition.  Remove FIXME.
130         (check_simple_exit): Update call to get_condition.
131         * loop-unswitch.c (may_unswitch_on): Likewise.
132         * loop.c (check_dbra_loop): Likewise.
133         (canonicalize_condition, get_condition): Add an argument to say whether
134         the condition must still be valid at INSN.
135         (get_condition_for_loop): Update call to get_condition.  Require that
136         the condition be valid at INSN.
137         * predict.c (estimate_probability): Update call to get_condition.
138         Remove unused earliest parameter.
139         (expected_value_to_br_prob): Update call to canonicalize_condition.
140
141 2004-07-26  Eric Christopher  <echristo@redhat.com>
142
143         * tree-dfa.c (add_referenced_var): Register initializers of global
144         variables.
145
146 2004-07-26  Paolo Bonzini  <bonzini@gnu.org>
147
148         * config/i386/i386.c (function_arg): Always treat 8-
149         and 16-byte wide vectors the same, even if MMX/SSE
150         are disabled.
151         (contains_128bit_aligned_vector_p): Add comment.
152
153 2004-07-26  J"orn Rennecke <joern.rennecke@superh.com>
154
155         * ra.h (enum node_type): Rename to:
156         (enum ra_node_type).
157         * ra-colorize.c: Likewise.
158
159 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
160
161         * cfgcleanup.c (try_simplify_condjump): Call update_forwarder_flag
162         after simplifying the jump.
163
164 2004-06-26  Richard Henderson  <rth@redhat.com>
165
166         * calls.c (combine_pending_stack_adjustment_and_call): Make
167         preferred_unit_stack_boundary argument unsigned.  Make
168         unadjusted_alignment unsigned.
169         (expand_call): Make preferred_stack_boundary and
170         preferred_unit_stack_boundary variables unsigned.
171         * function.c (assign_stack_local_1): Make alignment unsigned.
172         * function.h (struct function): Make stack_alignment_needed,
173         preferred_stack_boundary unsigned.
174         * config/i386/i386.c (ix86_preferred_stack_boundary): Make unsigned.
175         (ix86_compute_frame_layout): Make stack_alignment_needed,
176         preferred_alignment variables unsigned.
177         * config/i386/i386.h (ix86_preferred_stack_boundary): Make unsigned.
178
179 2004-07-26  Tom Tromey  <tromey@redhat.com>
180
181         * tree.h: Fix typo in comment.
182
183 2004-07-26  Daniel Jacobowitz  <dan@debian.org>
184
185         PR bootstrap/12804
186         * ggc-zone.c (struct alloc_chunk): Remove attribute packed.
187         (MAX_FREE_BIN_SIZE): Increase on 64-bit targets.
188         (ggc_free): Remove incorrect freeing.
189         (sweep_pages): Advance PP for large pages.  Fix indentation.
190
191 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
192
193         PR rtl-optimization/16643
194         * cfglayout.h (cfg_layout_initialize): Add a flags parameter.
195         * cfglayout.c (cfg_layout_initialize): Pass it to cleanup_cfg.
196         * basic-block.h (reorder_basic_blocks): Add a flags parameter.
197         * cfglayout.c (reorder_basic_blocks): Pass it to cfg_layout_initialize.
198         (partition_hot_cold_basic_blocks): Pass 0 to cfg_layout_initialize.
199         * function.c (thread_prologue_and_epilogue_insns): Likewise.
200         * rtl.h (tracer): Add a flags parameter.
201         * tracer.c (tracer): Pass it to cfg_layout_initialise.
202         * passes.c (rest_of_handle_stack_regs): Pass 0 to reorder_basic_blocks.
203         (rest_of_handle_reorder_blocks): Update calls to tracer and
204         reorder_basic_blocks, passing CLEANUP_UPDATE_LIFE if appropriate.
205         (rest_of_handle_tracer): Pass 0 to tracer.
206         (rest_of_handle_loop2): Pass 0 to cfg_layout_initialize.
207
208 2004-07-25  David Edelsohn  <edelsohn@gnu.org>
209
210         PR target/16239
211         * config/rs6000/rs6000.md (movdi_internal64): Further disparage
212         f->f.
213
214 2004-07-24  Nathan Sidwell  <nathan@codesourcery.com>
215
216         * tree.h (BINFO_BASE_ACCESSES): Accesses are a VEC(tree).
217         (BINFO_BASE_ACCESS): Adjust.
218         (BINFO_BASE_ACCESS_APPEND): New.
219         (struct tree_binfo): Make base_accesses a VEC(tree) pointer.
220         * dbxout.c (dbxout_type): Adjust binfo access accessing.
221         * dwarf2out.c (gen_member_die): Likewise.
222         * tree-dump.c (deque_and_dump): Likewise.
223
224 2004-07-26  Falk Hueffner  <falk@debian.org>
225
226         * config/alpha/alpha.c (alpha_rtx_cost_data): Tweak int_div
227         costs.
228
229 2004-07-25  Roger Sayle  <roger@eyesopen.com>
230
231         * config/i386/i386.c (output_fp_compare): Use ffreep to pop top
232         value off of the stack if TARGET_USE_FFREEP.
233
234 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
235
236         * gengtype.c (oprintf): Replace xrealloc () with XRESIZEVEC ().
237         * gengtype-yacc.y: Likewise.  Replace free() with XDELETE ().
238         * c-typeck.c (PUSH_SPELLING): Remove redundant NULL-pointer
239         check on invocation of XRESIZEVEC ().
240
241 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
242
243         * c-common.c (disable_builtin_function): Rename variable n to
244         new_disabled_builtin.
245         * c-decl.c (duplicate_decls): Rename parameter decl to new_decl.
246         Rename local variable old to old_decl.
247         * gensupport.c (shift_output_template): Rename parameter old to src.
248         * simplify-rtx.c (simplify_replace_rtx): Rename parameter oldx to
249         old_rtx and newx to new_rtx.
250
251 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
252
253         * Makefile.in (C_PRAGMA_H): New variable to track dependencies
254         of c-pragma.h.
255         * c-pragma.h (c_lex, c_lex_with_flags): Change returntype to
256         enum cpp_ttype.
257         * c-lex.c: Likewise.
258
259 2004-07-25  Roger Sayle  <roger@eyesopen.com>
260
261         * fold-const.c (constant_boolean_node): Make extern.
262         (make_range): Wrap long lines.
263         (fold_cond_expr_with_comparison): Remove unnecessary call to
264         pedantic_non_lvalue.  Add missing calls to fold_convert.
265         (fold_truthop): Add missing calls to fold_convert.
266         (fold): Likewise.
267         * tree.h (constant_boolean_node): Add prototype here.
268         * builtins.c (expand_builtin_strncmp): Add missing calls to
269         fold_convert.
270         * tree-ssa-dom.c (record_equivalences_from_incoming_edge):
271         Call fold_convert and constant_boolean_node to correct types.
272         * tree-ssa-forwprop.c (substitute_single_use_vars): Add
273         missing call to fold_convert to correct types.
274
275 2004-07-26  Niall Douglas  <s_fsfeurope2@nedprod.com>
276             Brian Ryner  <bryner@brianryner.com>
277
278         PR c++/9283
279         PR c++/15000
280         * c-common.c (c_common_attribute_table): Allow
281         handle_visibility_attribute to be called for types.
282         (handle_visibility_attribute) When given a type, set the visibility
283         bits on the TYPE_NAME.  When given a decl, don't set no_add_attrs
284         so that we can check later whether the attribute was present. Added
285         warning if attribute applied to non class type.
286         * c-decl.c (diagnose_mismatched_decls): Updated rules for merging
287         decls and checking that they are consistent.
288         * common.opt: Added -fvisibility.
289         * c.opt, c-opts.c: Added -fvisibility-inlines-hidden.
290         * c-pragma.h, c-pragma.c: Added handle_pragma_visibility().
291         * flags.h, tree.h: Added assorted support defines for overall patch
292         * opts.c: Added parsing support for -fvisibility.
293         * tree.c (build_decl): Set visibility for all decls to be whatever
294         is in force at that time.
295         * varasm.c (default_binds_local_p_1): Reworked logic determining
296         when to make a symbol locally bound.
297         * doc/invoke.texi: Added documentation for -fvisibility and
298         -fvisibility-inlines-hidden.
299
300 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
301
302         * basic-block.h (reorder_block_def): Rename to reorder_block_def_p.
303         * c-common.c: Add missing casts from void * to other types.
304         * c-decl.c: Likewise.
305         * c-format.c: Likewise.
306         * c-lex.c: Likewise.
307         * c-pragma.c: Likewise.
308         * c-typeck.c: Likewise.
309         * defaults.h: Likewise.
310         * genconstants.c: Likewise.
311         * gengtype-lex.l: Likewise.
312         * genmodes.c: Likewise.
313         * read-rtl.c: Likewise.
314         * rtl.c: Likewise.
315
316 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
317
318         * bitmap.c: Use type-safe memory allocation macros from libiberty.
319         * c-common.c: Likewise.
320         * c-decl.c: Likewise.
321         * c-lang.c: Likewise.
322         * c-lex.c: Likewise.
323         * c-opts.c: Likewise.
324         * c-parse.in: Likewise.
325         * c-typeck.c: Likewise.
326         * genconditions.c: Likewise.
327         * gengtype-lex.l: Likewise.
328         * gengtype-yacc.y: Likewise.
329         * gengtype.c: Likewise.
330         * genmodes.c: Likewise.
331         * gensupport.c: Likewise.
332         * read-rtl.c: Likewise.
333         * read-rtl.c (read_constants): Use INSERT instead of TRUE in call to
334         htab_find_slot().
335
336 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
337
338         * c-decl.c (groktypename, groktypename_in_param_context): Rename
339         variable typename to type_name.
340         * c-lex.c (interpret_float): Likewise.
341
342 2004-07-25  Roger Sayle  <roger@eyesopen.com>
343
344         * convert.c (convert_to_real, convert_to_integer,
345         convert_to_complex): Replace calls to build with calls to buildN.
346         * coverage.c (tree_coverage_counter_ref): Likewise.
347         * dojump.c (do_jump): Likewise.
348         * dwarf2out.c (loc_descriptor_from_tree): Likewise.
349         * emit-rtl.c (component_ref_for_mem_expr,
350         set_mem_attributes_minus_bitpos): Likewise.
351         * explow.c (update_nonlocal_goto_save_area): Likewise.
352         * expmed.c (expand_shift, make_tree, const_mult_add_overflow_p,
353         expand_mult_add): Likewise.
354         * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall,
355         store_constructor, get_inner_reference, expand_expr_real_1,
356         try_casesi, try_tablejump): Likewise.
357         * function.c (expand_function_start): Likewise.
358         * stmt.c (emit_case_bit_tests, expand_end_case_type,
359         node_has_low_bound, node_has_high_bound, emit_case_nodes): Likewise.
360         * stor-layout.c (place_union_field, layout_type): Likewise.
361         * tree.c (substitute_in_expr, tree_fold_gcd): Likewise.
362         * varasm.c (copy_constant): Likewise.
363
364 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
365
366         * c-common.c: Rename all identifiers named `new'.
367         * c-decl.c: Likewise.
368         * gensupport.c: Likewise.
369         * simplify-rtx.c: Likewise.
370         * c-common.c (disable_builtin_function): Replace a call to xmalloc()
371         with XNEW().
372         * gensupport.c (alter_output_for_insn): Replace two calls to xmalloc()
373         with XNEWVEC().
374
375 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
376
377         PR c/15360
378         * c-decl.c (start_decl): Do not set DECL_EXTERNAL for initialized
379         declarations until after calling pushdecl.
380         (grokdeclarator): Set DECL_EXTERNAL for variables based on use of
381         "extern" and not on whether the declaration is initialized.
382
383 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
384
385         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
386         (sparc-*-solaris2*): Include sol2.o and sol2-protos.h.
387         * config/sol2-c.c: Include "tm.h", "tm_p.h", "toplev.h",
388         "cpplib.h", "c-pragma.h", "c-common.h".
389         (solaris_pragma_align, solaris_pragma_init, solaris_pragma_fini)
390         (solaris_register_pragmas): New functions.
391         * config/sol2-protos.h: New file.
392         * config/sol2.c: New file.
393         * config/sol2.h (SOLARIS_ATTRIBUTE_TABLE, ASM_DECLARE_FUNCTION_SIZE)
394         (REGISTER_TARGET_PRAGMAS): New macros.
395         (solaris_pending_aligns, solaris_pending_inits)
396         (solaris_pending_finis): New variables.
397         * config/t-sol2 (sol2-c.o): Update dependencies.
398         (sol2.o): New rule.
399         * config/i386/i386.c (TARGET_INSERT_ATTRIBUTES): Define in terms of
400         SUBTARGET_INSERT_ATTRIBUTES.
401         (ix86_attribute_table): Include SUBTARGET_ATTRIBUTE_TABLE.
402         * config/i386/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
403         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
404         * config/sparc/elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
405         * config/sparc/sp64-elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
406         * config/sparc/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
407         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
408         * config/sparc/sparc.c (sparc_attribute_table): New.
409         (TARGET_INSERT_ATTRIBUTES): Define in terms of
410         SUBTARGET_INSERT_ATTRIBUTES.
411         (TARGET_ATTRIBUTE_TABLE): Define if SUBTARGET_ATTRIBUTE_TABLE
412         is defined.
413         * doc/extend.texi (Solaris Pragmas): New section.
414
415 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
416
417         * c-common.c: Rename all identifiers named `class' to `cl'.
418         * c-common.h: Likewise.
419         * c-parse.in: Likewise.
420         * c-typeck.c: Likewise.
421         * genmodes.c: Likewise.
422         * real.c: Likewise.
423         * real.h: Likewise.
424         * recog.c: Likewise.
425         * recog.h: Likewise.
426         * regrename.c: Likewise.
427         * tree.h: Likewise.
428         * c-common.c (builtin_function_2): Change type of 5th parameter from
429         int to enum built_in_function. Change type of 8th parameter from int
430         to bool.
431         * c-decl (builtin_function): Replace call to ggc_alloc_cleared ()
432         with GGC_CNEW().
433         * c-typeck.c (convert_arguments): Change type of formal_prec from
434         int to unsigned int.
435         * genmodes.c (blank_mode): Make a few negative constants unsigned.
436         (complete_all_modes, calc_wider_mode, emit_insn_modes_h,
437         emit_mode_name, emit_mode_class, emit_mode_precision, emit_mode_size,
438         emit_mode_nunits, emit_mode_wider, emit_mode_mask, emit_mode_inner,
439         emit_mode_base_align, emit_class_narrowest_mode): Pass an integer
440         iterator to for_all_modes () instead of an enum because enums can't
441         be incremented in C++.
442
443
444 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
445
446         * regmove.c (optimize_reg_copy_1): Don't try to replace call-used
447         hard registers.
448
449 2004-07-25  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
450
451         * tree-ssa-operands.c (get_stmt_operands, get_expr_operands):
452         Handle ARRAY_RANGE_REF like ARRAY_REF.
453
454 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
455
456         * c-typeck.c (digest_init): Don't allow arrays of signed or
457         unsigned variants of wchar_t to be initialized by wide string
458         constants.  Do allow arrays of enumerated types compatible with
459         wchar_t to be initialized by wide string constants.  Refine tests
460         distinguishing wide and narrow strings and arrays.  Give specific
461         error for arrays of other integer types initialized by string
462         constants.
463         (output_init_element, process_init_element): Check for
464         INTEGRAL_TYPE_P rather than just for INTEGER_TYPE when
465         initializing with string constants.
466
467 2004-07-25  Richard Henderson  <rth@redhat.com>
468
469         * c-decl.c (start_function): Set DECL_ARTIFICIAL and DECL_IGNORED_P
470         on the RESULT_DECL.
471         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
472         * integrate.c (copy_decl_for_inlining): Copy DECL_ARTIFICIAL and
473         DECL_IGNORED_P to new decl.
474
475 2004-07-24  Zack Weinberg  <zack@codesourcery.com>
476
477         * config/ia64/ia64.c (general_xfmode_operand)
478         (destination_xfmode_operand): Delete.
479         * config/ia64/ia64.h (PREDICATE_CODES): Remove them.
480         * config/ia64/ia64.md (*movxf_internal): Use general_operand
481         and destination_operand.
482
483 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
484
485         * config/ia64/ia64.h (SUBTARGET_EXTRA_SPECS): Default to nothing.
486         (EXTRA_SPECS): Use SUBTARGET_EXTRA_SPECS.
487
488 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
489             Zack Weinberg  <zack@codesourcery.com
490
491         PR 16684
492         * c-decl.c (diagnose_mismatched_decls): Don't issue a
493         redundant-declaration warning the first time a builtin is
494         declared explicitly.
495
496 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
497
498         * tree.h (staticp): Change return type to bool.
499
500 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
501
502         * c-common.c (c_staticp): Last episode of the staticp saga.
503
504 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
505
506         * c-common.h (c_staticp): Change return type from int to bool.
507         * tree.c (staticp): Likewise.
508         * langhooks.h (staticp): Likewise.
509
510 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
511
512         * langhooks-def.h (lhd_staticp): Change return type from int to
513         bool in prototype to match definition.
514
515 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
516
517         * system.h (bool, true, false): Don't redefine as preprocessor macros
518         in C++.
519
520 2004-07-24  Roger Sayle  <roger@eyesopen.com>
521
522         * expmed.c (init_expmed): A signed modulus by a power of two is
523         considered cheap if its less than or equal to four instructions.
524
525 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
526
527         * ggc.h (GGC_NEW, GGC_CNEW, GGC_NEWVEC, GGC_CNEWVEC, GGC_NEWVAR,
528         GGC_CNEWVAR): New macros.
529
530 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
531
532         * c-common.c: Convert ATTRIBUTE_UNUSED to ARG_UNUSED in parameter
533         lists.
534         * c-decl.c: Likewise.
535         * c-format.c: Likewise.
536         * c-lex.c: Likewise.
537         * c-opts.c: Likewise.
538         * c-pragma.c: Likewise.
539         * c-typeck.c: Likewise.
540         * gencheck.c: Likewise.
541         * genconditions.c: Likewise.
542         * genconfig.c: Likewise.
543         * genflags.c: Likewise.
544         * gengtype.c: Likewise.
545         * gensupport.c: Likewise.
546         * ggc-none.c: Likewise.
547         * langhooks.c: Likewise.
548         * statistics.h: Likewise.
549         * stub-objc.c: Likewise.
550         * java/decl.c: Likewise.
551
552 2004-07-24  Roman Zippel  <zippel@linux-m68k.org>
553
554         * config/m68k/m68k.c (output_scc_di): Fix coding style.
555         (symbolic_operand): Fix prototype.
556         * config/m68k/m68k.h (PREDICATE_CODES): Add symbolic_operand.
557         * config/m68k/m68k.md: Add constants for registers a0 and sp and
558         use them, change from the "{...}" syntax to the simpler {...}
559         syntax.
560         (*cfv4_extendqisi2): Fix destination predicate.
561         * config/m68k/m68k-protos.h: Remove various declarations also
562         generated via PREDICATE_CODES.
563
564 2004-07-23  Mike Stump  <mrs@apple.com>
565
566         * c-typeck.c (convert_for_assignment): Tightened up pointer
567         converstions that differ in signedness.
568
569 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
570
571         * genmodes.c (make_vector_modes): Mark with ATTRIBUTE_UNUSED.
572
573 2004-07-23  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
574
575         * tree.def (VIEW_CONVERT_EXPR): Change to class 'r'.
576         * tree-ssa-operands.c (get_expr_operands, case VIEW_CONVERT_EXPR): New.
577
578         * gimplify.c (gimplify_compound_lval): Check for no handled
579         operations, rather than checking for explicit list of nodes.
580         (is_gimple_addr_expr_arg_or_indirect): New function.
581         (gimplify_addr_expr): Call it and handle INDIRECT_REF; remove
582         redundant setting of TREE_INVARIANT.
583         (gimplify_expr, case VIEW_CONVERT_EXPR): Call gimplify_compound_lval.
584         * tree-gimple.c (is_gimple_addr_expr_arg): Call handled_component_p.
585
586 2004-07-23  Diego Novillo  <dnovillo@redhat.com>
587
588         PR tree-optimization/16688
589         PR tree-optimization/16689
590         * tree-ssa-alias.c (setup_pointers_and_addressables): Remove
591         unnecessary initialization of 'tag'.
592         (get_tmt_for): Check that the new type tag has the same alias
593         set as the pointed-to type.
594         (group_aliases): Only regular variables need to be removed
595         from the alias set of a name tag.
596         * tree-ssa-copy.c (may_propagate_copy): Do not allow copy
597         propagation if the two types are not compatible.
598         (merge_alias_info): Rename from replace_ssa_names_ann.
599         Add more checking.
600         (replace_exp_1): If both arguments are SSA_NAMEs, check that
601         the propagation can be done.
602         Only call merge_alias_info on pointers.
603         (propagate_value): Likewise.
604         * tree-ssa-copyrename.c: Include langhooks.h.
605         (copy_rename_partition_coalesce): Call replace_ssa_name_symbol
606         to do the merging.
607         Do not coalesce variables with incompatible types.
608         (rename_ssa_copies): Call replace_ssa_name_symbol.
609         * tree-ssa.c (verify_ssa_name): Verify that the SSA_NAME has
610         the same type as the underlying _DECL.
611         * tree-ssanames.c (replace_ssa_name_symbol): New function.
612         * tree.h (replace_ssa_name_symbol): Declare.
613
614 2004-07-23  Richard Henderson  <rth@redhat.com>
615
616         PR c++/16277
617         * gimplify.c (gimplify_cond_expr): Gimplify TARGET to a min_lval;
618         unshare it properly.
619         (gimplify_modify_expr_rhs): Push assignment from a conditional into
620         the conditional for all non-register types.
621
622 2004-07-23  Richard Henderson  <rth@redhat.com>
623
624         * expr.c (expand_expr_real_1): Don't handle non-local variables.
625         * expr.h (fix_lexical_addr): Remove.
626         * function.c (NEED_SEPARATE_AP): Remove.
627         (fix_lexical_addr): Remove.
628         * tree-alias-common.c (get_alias_var_decl): Check TREE_STATIC,
629         not null decl_function_context.
630         (create_alias_vars): Likewise.
631         * tree-cfg.c (make_ctrl_stmt_edges): Don't check for non-local labels.
632         (simple_goto_p): Likewise.
633         * tree-dfa.c (add_referenced_var): Don't check for non-local variables.
634         * tree-ssa-ccp.c (get_default_value): Likewise.
635         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
636         * tree.c (needs_to_live_in_memory): Likewise.
637         * tree-flow-inline.h (may_be_aliased): Move...
638         * tree-ssa-alias.c (may_be_aliased): ... here.  Enhance check for
639         when TREE_STATIC variables may be addressable.
640
641 2004-07-24  Jakub Jelinek  <jakub@redhat.com>
642
643         * Makefile.in (site.exp): Add HOSTCC and HOSTCFLAGS to site.exp.
644
645 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
646
647         * print-rtl.c (print_rtx <case 'b'>): Don't attempt to print
648         bitmap contents if GENERATOR_FILE is defined.
649         * Makefile.in (BUILD_RTL): Remove $(BUILD_PREFIX)bitmap.o.
650         ($(BUILD_PREFIX_1)bitmap.o): Delete rule.
651
652 2004-07-23  Joseph S. Myers  <jsm@polyomino.org.uk>
653
654         * c-decl.c (start_function): Form composite type of function types
655         rather than copying type from previous prototype declaration.
656
657 2004-07-23  Janis Johnson  <janis187@us.ibm.com>
658
659         * config/rs6000/altivec.h (vec_lvewx, vec_lvehx, vec_lvwbx): Remove
660         the const qualifier for the second argument in the C++ functions.
661
662         * config/rs6000/altivec.h (vec_stvewx, vec_stvehx, vec_stvebx): Use
663         specific pointer types.
664
665         * config/rs6000/altivec.h (vec_vadduwm): (vec_vadduwm, vec_vadduhm,
666         vec_vaddubm, vec_vsubuwm, vec_vsubuhm, vec_vsububm): Fix types used
667         for vector bool and/or vector pixel, add C++ and C missing support.
668         (vec_vaddsws, vec_vaddshs, vec_vaddsbs, vec_vmaxsw, vec_vmaxsh,
669         vec_vmaxsb, vec_vmrghw, vec_vmrghh, vec_vmrghb, vec_vmrglw, vec_vmrglh,
670         vec_vmrglb, vec_vminsw, vec_vminsh, vec_vminsb, vec_vpkuwum,
671         vec_vpkuhum, vec_vspltw, vec_vsplth, vec_vspltb, vec_vsubsws,
672         vec_vsubshs, vec_vsubsbs, vec_vupklsh, vec_vupkhsh, vec_vupklsb): Add
673         missing C++ and C support for vector bool and/or vector pixel.
674         (vec_vadduws, vec_vadduhs, vec_vaddubs, vec_vcmpeqfp, vec_vcmpequw,
675         vec_vcmpequh, vec_vcmpequb, vec_vcmpgtfp, vec_vcmpgtsw, vec_vcmpgtuw,
676         vec_vcmpgtsh, vec_vcmpgtuh, vec_vcmpgtsb, vec_vcmpgtub, vec_vmaxuw,
677         vec_vmaxuh, vec_vmaxub, vec_vminuw, vec_vminuh, vec_vminub,
678         vec_vsubuws, vec_vsubuhs, vec_vsububs, vec_vupkhpx, vec_vupklpx): Fix
679         C++ and C types used for vector bool and/or vector pixel.
680         (vec_st, vec_stl): Add C++ support for vector pixel.
681         (vec_unpackh, vec_unpackl, vec_any_ge): Fix C++ support for vector bool.
682         (vec_all_ne): Add C++ support for vector pixel.
683
684         * config/rs6000/altivec.h (vec_vcmpgtsh): Fix C++ function name.
685         (vec_vmulesb): Add missing C++ function.
686         (vec_perm): Fix type of third argument in C++ function.
687         (vec_vsum4shs): Fix C++ function name.
688         (vec_any_ge): Remove C++ functions for unsupported arg combinations.
689         (vec_vcmpgtsw, vec_vcmpgtuw, vec_minsb, vec_vmsummbm): Fix the
690         argument passed to the error handler in C macro.
691         (vec_nmsub): Remove extra parens around argument names in C macro.
692         (vec_packpx): Add missing parens in C macro.
693
694 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
695
696         * machmode.def: Remove vector modes.
697         * config/alpha/alpha-modes.def: Add supported vector modes.
698         * config/arm/arm-modes.def: Likewise.
699         * config/frv/frv-modes.def: Likewise.
700         * config/i386/i386-modes.def: Likewise.
701         * config/rs6000/rs6000-modes.def: Likewise.
702         * config/sh/sh-modes.def: Likewise.
703
704 2004-07-23  Matthias Klose  <doko@debian.org>
705
706         * intl.c (gcc_init_libintl): Use PACKAGE for the text domain.
707         * configure.ac: Add AC_DEFINE_UNQUOTED for PACKAGE.
708         * config.h: Regenerate.
709         * configure: Likewise.
710
711 2004-07-22  Mark Mitchell  <mark@codesourcery.com>
712
713         * dwarf2out.c (output_call_frame_info): Set SYMBOL_FLAG_LOCAL on
714         generated SYMBOL_REFs for labels.
715         * config/darwin-protos.h (machopic_validate_stub_or_non_lazy_ptr):
716         Change prototype.
717         (machopic_stub_name): Remove.
718         (machopic_indirection_name): New function.
719         (machopic_mcount_stub_name): Likewise.
720         (machopic_classify_name): Remove.
721         (machopic_function_base_sym): New function.
722         (machpoic_classify_symbol): Likewise.
723         (machopic_classify_ident): Remove.
724         (machopic_define_ident): Likewise.
725         (machopic_define_name): Likewise.
726         (machopic_name_defined_p): Likewise.
727         (machopic_ident_defined_p): Likewise.
728         (darwin_strip_name_encoding): Likewise.
729         (machopic_define_symbol): New function.
730         * config/darwin.c (hashtab.h): Include.
731         (machopic_defined_list): Remove.
732         (machopic_classify_ident): Likewise.
733         (machopic_classify_name): Likewise.
734         (machopic_ident_defined_p): Likewise.
735         (machopic_define_ident): Likewise.
736         (machopic_define_name): Likewise.
737         (machopic_symbol_defined_p): New function.
738         (machopic_classify_symbol): Likewise.
739         (machopic_data_defined_p): Use machopic_classify_symbol.
740         (machopic_define_symbol): New function.
741         (machopic_function_base_sym): New function.
742         (machopic_non_lazy_pointers): Remove.
743         (machopic_non_lazy_ptr_name): Likewise.
744         (machopic_stubs): Likewise.
745         (machopic_stub_name): Likewise.
746         (NON_LAZY_POINTER_SUFFIX): New macro.
747         (STUB_SUFFIX): Likewise.
748         (machopic_indirection): New structure.
749         (machopic_indirections): New variable.
750         (machopic_indirection_hash): New function.
751         (machopic_indirection_eq): Likewise.
752         (machopic_indirection_name): Likewise.
753         (machopic_mcount_stub_name): New function.
754         (machopic_validate_stub_or_non_lazy_pointer): Reimplement to use
755         hash table.
756         (machopic_indirect_data_reference): Rework to use new functions.
757         (machopic_indirect_call_target): Likewise.
758         (machopic_legitimize_pic_address): Likewise.
759         (machopic_output_indirection): New function.
760         (machopic_finish): Use it.
761         (machopic_operand_p): Rework to use new functions.
762         (darwin_encode_seciton_info): Use SYMBOL_REF_FLAGS.
763         (darwin_strip_name_encoding): Remove.
764         (update_non_lazy_ptrs): Remove.
765         (update_stubs): Likewise.
766         (darwin_non_lazy_pcrel): Use new functions.
767         * config/darwin.h (ASM_DECLARE_OBJECT_NAME): Likewise.
768         (ASM_OUTPUT_LABELREF): Likewise.
769         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
770         (MACHO_SYMBOL_FLAG_VARIABLE): New macro.
771         (MACHO_SYMBOL_FLAG_DEFINED): Likewise.
772         (TARGET_STRIP_NAME_ENCODING): Do not use
773         darwin_strip_name_encoding.
774         (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Do not use
775         darwin_strip_name_encoding.
776         * config/i386/darwin.h (FUNCTION_PROFILER): Use
777         machopic_mcount_stub_name.
778         * config/i386/i386.c (x86_output_mi_thunk): Use
779         machopic_indirection_name, not machopic_stub_name.
780         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Use
781         machopic_function_base_sym.
782         (print_operand): Use machopic_classify_symbol.
783         (rs6000_emit_prologue): Use machopic_function_base_sym.
784         (output_profile_hook): Do not use machopic_stub_name.
785         (macho_branch_isalnds): Do not use darwin_strip_name_encoding.
786
787 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
788
789         PR c/7284
790         * fold-const.c (extract_muldiv_1): Do not treat signed left shift
791         as multiplication.
792
793 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
794
795         * doc/implement-c.texi: New file.
796         * doc/extend.texi (C Implementation): Move to there.
797         * doc/gcc.texi: Include implement-c.texi.
798         * Makefile.in (TEXI_GCC_FILES): Add implement-c.texi.
799
800 2004-07-22  Jason Merrill  <jason@redhat.com>
801
802         * integrate.c (copy_decl_for_inlining): Remove invisible reference
803         handling.
804         * tree-inline.c (setup_one_parameter): Likewise.
805
806 2004-07-22  Brian Booth  <bbooth@redhat.com>
807
808         * tree-ssa-ccp.c (latticevalue): Add UNKNOWN_VAL.
809         (substitute_and_fold): Propigate into VUSE operands when possible.
810         (visit_phi_node): Handle UNKNOWN_VAL latticevalue.
811         (cp_lattice_meet): Handle merging of latticevalues when
812         UNKNOWN_VAL is present.
813         (visit_stmt): Visit assignments with V_MUST_DEFs.
814         (visit_assignment): Gather ccp information for V_MUST_DEF operands.
815         (ccp_fold): Deal with RHS' that are constant and virtual.
816         (evaluate_stmt): Handle UNKNOWN_VAL likely values.
817         (dump_lattice_value): Dump UNKNOWN_VAL latticevalues.
818         (initialize): Mark statements with V_MUST_DEFs as VARYING only if the
819         V_MUST_DEF operand is VARYING. Fix comment and include VOPS when
820         computing immediate uses.
821         (set_lattice_value): Disallow a UNKNOWN_VAL->UNDEFINED state
822         transition.
823         (replace_vuse_in): New function.
824         (likely_value): Add check of vuse operands.
825         (get_default_value): Set the default value of virtually defined
826         variables to UKNOWN_VAL instead of VARYING.
827
828 2004-07-22  Richard Henderson  <rth@redhat.com>
829
830         * expr.c (emit_push_insn): Don't use set_mem_attributes.
831
832 2004-07-22  Richard Henderson  <rth@redhat.com>
833
834         * tree-ssa-live.c (create_ssa_var_map): Avoid defined-but-not-used
835         variables due to conditional compilation.
836
837 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
838
839         * tree-into-ssa.c (set_livein_block): Fix typo in comment.
840         (rewrite_ssa_into_ssa): Start iterating over SSA names at 1.
841         Release SSA names that have been re-renamed.
842         * tree-phinodes.c (make_phi_node): Set same TREE_TYPE as the
843         variable.
844         * tree-ssa-alias.c (init_alias_info): If aliases have been
845         computed before, clear existing alias information.
846         (create_name_tags): Do no fixup PT_ANYTHING pointers.
847         If the new name tag for a pointer is different than the one it
848         had before, mark the old tag for renaming.
849         (replace_may_alias): New function.
850         (group_aliases): Call it.
851         (setup_pointers_and_addressables): Always call get_tmt_for.
852         (maybe_create_global_var): Don't create .GLOBAL_VAR more than
853         once.
854         (set_pt_anything): New local function.
855         (set_pt_malloc): New local function.
856         (merge_pointed_to_info): Don't merge pointed-to variables from
857         the original pointer if the destination is pointing to an
858         unknown location.
859         (add_pointed_to_expr): Call set_pt_anything and set_pt_malloc.
860         (add_pointed_to_var): Do not add a variable to the points-to
861         set if the pointer is already pointing to anywhere.
862         (collect_points_to_info_r): If the defining statement is a PHI
863         node, only merge pointed-to information if the argument has
864         already been visited.
865         (get_tmt_for): Only create a new tag if the pointer didn't
866         have one already.
867         (dump_alias_info): Emit more information.
868         (dump_points_to_info_for): Likewise.
869         * tree-ssa-dom.c (redirect_edges_and_update_ssa_graph): Don't
870         try to get the annotation of an SSA_NAME.
871         * tree-ssa-operands.c (add_stmt_operand): Only check for empty
872         alias sets when checking is enabled.
873         * tree-ssa-pre.c (need_eh_cleanup): New local variable.
874         (eliminate): Mark basic blocks that will need
875         EH information cleaned up.
876         (init_pre): Split ENTRY_BLOCK->0 if block 0 has more than one
877         predecessor.
878         Initialize need_eh_cleanup.
879         (fini_pre): Call tree_purge_all_dead_eh_edges and
880         cleanup_tree_cfg if needed.
881         Free need_eh_cleanup.
882         * tree-ssa.c (verify_ssa_name): New function.
883         (verify_def): Call it.
884         Re-arrange to avoid printing too many error messages.
885         (verify_use): Likewise.
886         (verify_phi_args): Likewise.
887         (verify_flow_insensitive_alias_info): New function.
888         (verify_flow_sensitive_alias_info): New function.
889         (verify_alias_info): New function.
890         (verify_ssa): Call verify_alias_info.
891         Clear TREE_VISITED on all the SSA_NAMEs before scanning the
892         program.
893         Re-arrange to avoid printing too many error messages.
894         * tree-ssanames.c (make_ssa_name): Clear
895         SSA_NAME_IN_FREE_LIST.
896         (release_ssa_name): Never release a default definition.
897         (release_defs): New function.
898         * tree.h: Declare it.
899         * tree-ssa-dce.c (remove_dead_stmt): Call it.
900
901 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
902
903         * tree-ssa.c (walk_use_def_chains_1): Add new argument IS_DFS.
904         If true, do a depth-first search.  Do a breadht-first search,
905         otherwise.
906         (walk_use_def_chains): Add new argument IS_DFS.
907         Update all users.
908         * tree-flow.h (walk_use_def_chains): Update prototype.
909
910 2004-07-22  Hans-Peter Nilsson  <hp@axis.com>
911
912         * config/cris/cris.md: Tweak formatting.
913         (asrandb, asrandw, lsrandb, lsrandw, moversideqi, movemsideqi)
914         (mover2side, moverside, movemside, movei, op3, andu): Replace
915         live define_peephole:s with define_peephole2 near-equivalents.
916         Delete the rest.
917         ("*mov_sidesisf_biap"): Rename from "*mov_sidesi_biap".  Match all
918         word-size modes.
919         ("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"):
920         Similar for "*mov_sidesi", "*mov_sidesi_biap_mem" and
921         "*mov_sidesi_mem" respectively.
922
923 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
924
925         * tree-cfg.c (gimplify_val): Move from tree-complex.c.
926         (gimplify_build1): Move from tree-complex.c do_unop.
927         (gimplify_build2): Move from tree-complex.c do_binop.
928         (gimplify_build3): New.
929         * tree-complex.c (gimplify_val, do_unop, do_binop): Remove.
930         Adjust throughout to call the functions above.
931         * tree-flow.h: Declare the functions above.
932         * tree-nested.c (gimplify_val): Rename to...
933         (tsi_gimplify_val): ... this.
934
935         * Makefile.in (tree_complex.o): Update dependencies.
936         (stor-layout.o): Depend on regs.h.
937         * c-common.c (handle_vector_size_attribute): Update for
938         vector types without corresponding vector modes.
939         * expr.c (expand_expr): Treat VECTOR_CST's like CONSTRUCTORS if
940         a corresponding vector mode is not available.
941         * print-tree.c (print_node): Print nunits for vector types
942         * regclass.c (have_regs_of_mode): New.
943         (init_reg_sets_1): Initialize it and use it instead
944         of allocatable_regs_of_mode.
945         * regs.h (have_regs_of_mode): Declare it.
946         * stor-layout.c (layout_type): Pick a mode for vector types.
947         * tree-complex.c (build_word_mode_vector_type, tree_vec_extract,
948         build_replicated_const, do_unop, do_binop, do_plus_minus,
949         do_negate, expand_vector_piecewise, expand_vector_parallel,
950         expand_vector_addition, expand_vector_operations_1,
951         expand_vector_operations, tree_lower_operations,
952         pass_lower_vector_ssa, pass_pre_expand): New.
953         (expand_complex_operations, pass_lower_complex): Remove.
954         * tree-optimize.c (init_tree_optimization_passes): Adjust
955         pass ordering for changes in tree-complex.c.
956         * tree-pass.h: Declare new passes.
957         * tree.c (finish_vector_type): Remove.
958         (make_vector_type): New.
959         (build_vector_type_for_mode, build_vector_type): Rewritten.
960         * tree.def (VECTOR_TYPE): Document where the number of
961         subparts is stored.
962         * tree.h (TYPE_VECTOR_SUBPARTS): Use TYPE_PRECISION field.
963         (make_vector): Remove declaration.
964
965 2004-07-21  Richard Henderson  <rth@redhat.com>
966
967         * gimple-low.c (expand_var_p): Don't look at TREE_ADDRESSABLE,
968         TREE_THIS_VOLATILE, may_aliases, or optimization level.
969         (remove_useless_vars): Dump debugging info.
970         (expand_used_vars): Move ...
971         * cfgexpand.c (expand_used_vars): ... here.  Make static.
972         * tree-flow-inline.h (set_is_used): New.
973         (set_default_def): Use get_var_ann.
974         * tree-flow.h: Update decls.
975         * tree-ssa-live.c (mark_all_vars_used_1, mark_all_vars_used): New.
976         (create_ssa_var_map): Use it.
977         * tree-ssa.c (set_is_used): Remove.
978
979 2004-07-22  Ben Elliston  <bje@au.ibm.com>
980
981         * gdbinit.in: Set a breakpoint on internal_error.
982
983 2004-07-21  Richard Henderson  <rth@redhat.com>
984
985         * cfgexpand.c (expand_gimple_tailcall): Fix case where we need
986         to create a new basic block.
987
988 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
989
990         PR c/15052
991         * c-decl.c (grokdeclarator): Only pedwarn for qualified void
992         return type on function definitions.  Move other warnings for
993         qualified return type to -Wreturn-type.  Do not condition any such
994         warnings on -pedantic.  Update comments.
995         (start_function): Only copy function type from previous prototype
996         declaration if return types are compatible.
997         * c-typeck.c (function_types_compatible_p): Don't condition
998         warning for incompatibility of volatile qualifiers on the return
999         type on -pedantic.  Update comment.
1000         * doc/invoke.texi (-Wreturn-type, -Wextra): Update.
1001
1002 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
1003
1004         * c-typeck.c (set_init_index): Require designator to be of integer
1005         type.
1006
1007 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
1008
1009         PR c/11250
1010         * c-parse.in (init): Change to exprtype.
1011         (primary): Set original_code for STRING to STRING_CST.
1012         Call maybe_warn_string_init for compound literals.
1013         (initdcl, notype_initdcl): Call maybe_warn_string_init.
1014         (initval): Update.
1015         * c-tree.h (maybe_warn_string_init): New.
1016         (pop_init_level, process_init_element): Use struct c_expr.
1017         (struct c_expr): Update comment.
1018         * c-typeck.c (maybe_warn_string_init): New function.
1019         (digest_init): Call it.  Additional parameter strict_string.  All
1020         callers changed.
1021         (output_init_element): Likewise.
1022         (struct constructor_stack): Use struct c_expr for
1023         replacement_value.
1024         (really_start_incremental_init, push_init_level): Update.
1025         (pop_init_level): Update.  Return struct c_expr.
1026         (process_init_level): Update.  Take struct c_expr argument.
1027
1028 2004-07-21  David S. Miller  <davem@nuts.davemloft.net>
1029
1030         * config/sparc/sparc.c (sparc_rtx_costs): Fix typo in previous
1031         commit.
1032
1033 2004-07-21  Eric Christopher  <echristo@redhat.com>
1034
1035         * builtins.c (expand_builtin_setjmp_receiver): Fix comment for code
1036         removal.
1037         * c-decl.c (pop_scope): Ditto.
1038         * calls.c (expand_call): Remove call to current_nesting_level,
1039         update comment accordingly. Remove calls to expand_start_target_temps
1040         and expand_end_target_temps.
1041         * cfgexpand.c (construct_init_block): Remove call to
1042         expand_start_bindings_and_block.
1043         (construct_exit_block): Remove call to expand_end_bindings.
1044         * expr.c (safe_from_p): Remove BIND_EXPR handling.
1045         (expand_expr_real_1): Ditto. Fix formatting.
1046         (expand_vars): Delete.
1047         * stmt.c (POPSTACK): Remove block_stack.
1048         (stmt_status): Remove x_block_stack.
1049         (block_stack): Delete.
1050         (expand_start_bindings_and_block): Ditto.
1051         (expand_start_target_temps): Ditto.
1052         (expand_end_target_temps): Ditto.
1053         (current_nesting_level): Ditto.
1054         (warn_about_unused_variables): Ditto.
1055         (expand_end_bindings): Ditto.
1056         * tree.h: Remove declarations for above.
1057
1058 2004-07-21  Steven Bosscher  <stevenb@suse.de>
1059
1060         * rtl.h (insn_note): Remove NOTE_INSN_PREDICTION.
1061         * rtl.c (note_insn_name): Likewise.
1062         * print-rtl.c (print_rtx): Don't print it.
1063         * cfgrtl.h (can_delete_note_p): Don't handle it.
1064         (rtl_delete_block): Likewise.
1065         * passes.c (rest_of_handle_guess_branch_prob): Remove.
1066         (rest_of_compilation): Don't call it.
1067         * predict.c (process_note_predictions, process_note_prediction,
1068         note_prediction_to_br_prob): Remove.
1069         * basic-block.c (note_prediction_to_br_prob): Remove prototype.
1070         * stmt.c (return_prediction): Remove.
1071         (expand_value_return): Don't call it.  Don't add prediction
1072         notes for return statements.
1073
1074 2004-07-21  Josef Zlomek  <zlomekj@suse.cz>
1075
1076         * var-tracking.c (vt_find_locations): Set the in_pending bitmap at
1077         once.
1078
1079 2004-07-21  Paolo Bonzini  <bonzini@gnu.org>
1080
1081         * c-common.c (vector_types_convertible_p): Use vector types'
1082         TYPE_SIZE and TREE_TYPE instead of their mode.
1083         * convert.c (convert_to_integer): Likewise.
1084         (convert_to_vector): Likewise.
1085         * fold-const.c (fold_convert): Likewise.
1086         * varasm.c (output_constant): Likewise.
1087         * expr.c (store_constructor): Split ARRAY_TYPE and VECTOR_TYPE.
1088         Allow a VECTOR_TYPE initializer to be made of several vectors.
1089         For ARRAY_TYPEs and VECTOR_TYPES, simplify a bit the handling
1090         of cleared and need_to_clear, and use fold_convert.
1091         * c-typeck.c (build_binary_op): Do not use RDIV_EXPR for
1092         integer vectors.
1093
1094 2004-07-20  Richard Henderson  <rth@redhat.com>
1095
1096         * cfgexpand.c (expand_gimple_cond_expr, expand_gimple_tailcall): Split,
1097         (expand_gimple_basic_block): out from here.  Renamed from expand_block.
1098
1099 2004-07-20  David S. Miller  <davem@nuts.davemloft.net>
1100
1101         * config/sparc/sparc.c (sparc_rtx_costs case MULT): Emit
1102         enormous cost if not TARGET_HARD_MUL.
1103
1104 2004-07-20  Andrew Pinski  <apinski@apple.com>
1105
1106         PR target/16557
1107         * config/i386/darwin.h (CC1_SPEC): Move the -g SPECs from ...
1108         (ASM_SPEC): here.
1109
1110 2004-07-21  Paul brook  <paul@codesourcery.com>
1111
1112         * config/arm/arm.c (thumb_expand_prologue): Remove bogus GEN_INT.
1113
1114 2004-07-20  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1115
1116         * fold-const.c (operand_equal_p): Temporarily support NULL args.
1117         (operand_equal_p, case ARRAY_REF): Compare args 2 and 3.
1118         (operand_equal_p, case COMPONENT_REF): Likewise, for arg 2.
1119
1120 2004-07-20  Zack Weinberg  <zack@codesourcery.com>
1121
1122         * rtl.h (plus_constant): Delete.
1123         (plus_constant_wide): Rename to plus_constant.
1124         (plus_constant_for_output_wide): Delete vestigial prototype.
1125         (GEN_INT): Remove unnecessary cast.
1126         * tree.h (build_int_2, size_int_type): Delete.
1127         (build_int_2_wide): Rename to build_int_2.
1128         (size_int_wide): Rename to size_int_kind.
1129         (size_int_type_wide): Rename to size_int_type.
1130         (size_int, ssize_int, bitsize_int, sbitsize_int): Use size_int_kind.
1131         Remove unnecessary cast.
1132         * tree.c (build_int_2_wide): Rename build_int_2; update comment.
1133         * explow.c (plus_constant_wide): Rename plus_constant; update comment.
1134         * fold-const.c (size_int_wide): Rename size_int_kind. Use size_int_type.
1135         (size_int_type_wide): Rename size_int_type.
1136         (int_const_binop): Use size_int_type.
1137         * c-lex.c (interpret_integer): Use build_int_2.
1138         * final.c (split_double): Remove unnecessary casts.
1139         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use build_int_2.
1140
1141 2004-07-20  Richard Henderson  <rth@redhat.com>
1142
1143         * gimplify.c (is_gimple_tmp_var): Move to tree-gimple.c.
1144         (gimplify_compound_lval): Use is_gimple_tmp_reg.
1145         * tree-gimple.c (is_gimple_tmp_var): Move from gimplify.c.
1146         (is_gimple_tmp_reg): New.
1147         * tree-gimple.h (is_gimple_tmp_reg): Declare.
1148
1149 2004-07-20  Richard Henderson  <rth@redhat.com>
1150
1151         * tree-pretty-print.c (dump_generic_node): Dump
1152         CALL_EXPR_HAS_RETURN_SLOT_ADDR.
1153
1154 2004-07-20  Frank Ch. Eigler  <fche@redhat.com>
1155
1156         * tree-mudflap.c (mf_set_options_fndecl): New tree.
1157         (mudflap_init): Set it.
1158         (mudflap_register_call): Remove __mf_init call.
1159         (mudflap_finish_file): Emit call to __mf_init here.  Emit a call to
1160         to pass "-ignore-reads" option to libmudflap if needed.
1161
1162 2004-07-20  John David Anglin  <dava.anglin@nrc-cnrc.gc.ca>
1163
1164         PR c++/14607
1165         * config/pa/pa-hpux10.h (SUPPORTS_ONE_ONLY): Define.
1166         (MAKE_DECL_ONE_ONLY): Undefine.
1167         * pa-protos.h (som_text_section_asm_op, one_only_readonly_data_section,
1168         readonly_data, one_only_data_section, forget_section): New prototypes.
1169         * pa.c (pa_init_machine_status, som_text_section_asm_op): New
1170         functions.
1171         (pa_select_section): Add one-only (COMDAT) support.
1172         * pa.h (struct machine_function): Define.
1173         * som.h (ASM_OUTPUT_FUNCTION_PREFIX): Delete.
1174         (TEXT_SECTION_ASM_OP): Call som_text_section_asm_op.
1175         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
1176         ONE_ONLY_TEXT_SECTION_ASM_OP, ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
1177         ONE_ONLY_DATA_SECTION_ASM_OP): New defines.
1178         (EXTRA_SECTIONS): Add in_one_only_readonly_data and in_one_only_data.
1179         (EXTRA_SECTION_FUNCTIONS): Rework to use individual function macros.
1180         (READONLY_DATA_FUNCTION, ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
1181         ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): New defines
1182         for EXTRA_SECTION_FUNCTIONS.
1183         * doc/install.texi: Update binutils requirements.
1184
1185 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
1186
1187         * vec.h (VEC_T_length, VEC_T_index, VEC_T_iterate, VEC_T_truncate,
1188         VEC_T_replace, VEC_T_quick_insert, VEC_T_safe_insert,
1189         VEC_T_ordered_remove, VEC_T_unordered_remove): Use unsigned, not
1190         size_t.
1191         (struct VEC): Use unsigned for num and alloc.
1192         * vec.c (struct vec_prefix): Likewise.
1193         (vec_o_reserve): Adjust.
1194
1195         * dbxout.c (dbxout_type): Fix printf format.
1196
1197         * tree.h (binfo_member): Remove.
1198         * tree.c (binfo_member): Remove.
1199
1200 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
1201
1202         * tree.h: Include vec.h
1203         (DEF_VEC_P(tree)): New type.
1204         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): Adjust.
1205         (BINFO_BASE_APPEND, BINFO_BASE_ITERATE): New.
1206         (BINFO_LANG_SLOT): Remove.
1207         (BINFO_SUBVTT_INDEX, BINFO_VPTR_INDEX, BINFO_PRIMARY_BASE_OF): New.
1208         (struct tree_binfo): Turn base_binfos into a trailing
1209         VEC(tree). Add vtt_subvtt, vtt_vptr, primary fields.
1210         (binfo_lang_slots): Remove.
1211         * tree.c (binfo_lang_slots): Remove.
1212         (make_tree_binfo_stat): Take a base binfo count, not a
1213         lang slot count.  Adjust.
1214         * Makefile.in (TREE_H): Add vec.h
1215         * alias.c (record_component_aliases): Adjust BINFO access.
1216         * dbxout.c (dbxout_type): Likewise.
1217         * dwarf2out.c (gen_member_die): Likewise.
1218         * sdbout.c (sdbout_one_type): Likewise.
1219         * tree-dump.c (deque_and_dump): Likewise.
1220         * config/i386/i386.c (classify_argument,
1221         contains_128bit_aligned_vector_p): Likewise.
1222         * config/sh/symbian.c (symbian_export_vtable_and_rtti_p): Likewise.
1223         * doc/c-tree.texi (Classes): Update BINFO documentation.
1224
1225 2004-07-20  Steven Bosscher  <stevenb@suse.de>
1226
1227         * c-common.h (check_case_value): Remove prototype.
1228         (c_add_case_label): Adjust prototype.
1229         * c-common.c (check_case_value): Make static.
1230         (check_case_bounds): New function.
1231         (c_add_case_label): Use it.  Take new argument orig_type.
1232         * c-typeck.c (struct c_switch): New orig_type field.
1233         (c_start_case): Set it.
1234         (do_case): Pass it to c_add_case_label.
1235         * expr.c (expand_expr_real_1): Don't warn for out-of-bounds
1236         cases from here.  Add the labels in reverse order.
1237         * stmt.c (struct case_node): Adjust comment.  Remove balance field.
1238         (add_case_node): Return nothing, don't check for duplicate cases.
1239         Insert new case nodes in a list, not in an AVL tree.
1240         (expand_end_case_type): Don't turn a case tree into a case list.
1241         (case_tree2list): Remove.
1242         * tree.h (add_case_node): Adjust prototype.
1243
1244 2004-07-19  Paolo Bonzini  <bonzini@gnu.org>
1245
1246         * genattr.c (struct range, struct function_unit,
1247         write_units, extend_range, init_range): Remove them.
1248         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
1249         Output "#define INSN_SCHEDULING" here.
1250         * genattrtab.c (struct range, struct function_unit_op,
1251         struct function_unit, struct dimension, enum operator,
1252         operate_exp, expand_units, simplify_knowing,
1253         encode_units_mask, simplify_by_exploding,
1254         find_and_mark_used_attributes, unmark_used_attributes,
1255         add_values_to_cover, increment_current_value,
1256         test_for_current_value, simplify_with_current_value,
1257         simplify_with_current_value_aux, gen_unit,
1258         write_unit_name, write_function_unit_info,
1259         write_complex_function, write_toplevel_expr,
1260         find_single_value, extend_range): Remove.
1261         (write_attr_get): Do not handle common_av->value
1262         being an FFS.
1263         (struct attr_desc): Remove func_units_p and blockage_p.
1264         (write_attr_valueq): Do not handle them.
1265         (find_attr): Do not clear them.
1266         (make_internal_attr): Do not initialize them.
1267         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
1268         * sched-vis.c (init_target_units, insn_print_units,
1269         init_block_visualization, print_block_visualization,
1270         visualize_scheduled_insns, visualize_no_unit,
1271         visualize_stall_cycles, visualize_alloc,
1272         visualize_free, target_units, get_visual_tbl_length,
1273         MAX_VISUAL_LINES, INSN_LEN, n_visual_lines,
1274         visual_tbl_line_length, visual_tbl, n_vis_no_unit,
1275         MAX_VISUAL_NO_UNIT, vis_no_unit): Remove.
1276         * haifa-sched.c (blockage_range, clear_units,
1277         schedule_unit, actual_hazard, potential_hazard,
1278         insn_unit, unit_last_insn, unit_tick,
1279         actual_hazard_this_instance, potential_hazard,
1280         schedule_unit, max_insn_queue_index_value): Remove.
1281         (MAX_INSN_QUEUE_INDEX): Removed, renamed throughout to
1282         max_insn_queue_index.
1283         * rtl.def (DEFINE_FUNCTION_UNIT): Remove.
1284         * doc/md.texi (Processor pipeline description): Remove
1285         references to old pipeline descriptions.
1286         (Automaton pipeline description): Merge with the above.
1287         (Old pipeline description, Comparison of the two descriptions):
1288         Remove.
1289
1290         * bt-load.c (migrate_btr_def): Remove references to
1291         use_pipeline_interface.
1292         * haifa-sched.c (insn_cost, schedule_insn,
1293         schedule_block, advance_one_cycle, sched_init,
1294         queue_to_ready, sched_finish): Likewise.
1295         * modulo-sched.c (sms_schedule, advance_one_cycle,
1296         ps_has_conflicts): Likewise.
1297         * sched-rgn.c (init_ready): Likewise.
1298         (debug_dependencies): Likewise, and remove an "if (1)".
1299         * target.h (use_dfa_pipeline_interface): Remove.
1300         * config/alpha/alpha.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1301         * config/arc/arc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1302         * config/arm/arm.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1303         * config/c4x/c4x.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1304         * config/frv/frv.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1305         * config/i386/i386.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1306         * config/ia64/ia64.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1307         * config/iq2000/iq2000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1308         * config/m32r/m32r.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1309         * config/mcore/mcore.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1310         * config/mips/mips.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1311         * config/pa/pa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1312         * config/rs6000/rs6000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1313         * config/s390/s390.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1314         * config/sh/sh.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1315         * config/sparc/sparc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1316         * config/v850/v850.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1317         * config/xtensa/xtensa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1318         * doc/tm.texi (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1319
1320 2004-07-19  Roger Sayle  <roger@eyesopen.com>
1321
1322         * rtlanal.c (reg_set_p): Add check for regs_invalidated_by_call.
1323
1324 2004-07-19  Jeff Law  <law@redhat.com>
1325
1326         * tree-ssa-dom.c (single_incoming_edge_ignoring_loop_edges): New.
1327         (get_eq_expr_value): Use it.  Simplify slightly.
1328
1329 2004-07-19  Maciej W. Rozycki  <macro@linux-mips.org>
1330
1331         * config/mips/mips.md (mulsidi3_32bit_r4000): Fix the clobber list.
1332         (umulsidi3_32bit_r4000): Likewise.
1333
1334 2004-07-19  Nathan Sidwell  <nathan@codesourcery.com>
1335
1336         * vec.h: Propagate location information properly.
1337         (VEC_T_iterate): Add result pointer parameter.
1338         (VEC_T_space): New.
1339         (VEC_T_reserve): Use it.
1340
1341 2004-07-19  Daniel Jacobowitz  <dan@debian.org>
1342
1343         * Makefile.in (c-format.o): Depend on c-format.h.
1344         * c-format.h: New file.
1345         (struct format_char_info): Add CHAIN member.
1346         * c-format.c: Move some types and constants to c-format.h.
1347         (format_type_error): Set to -1.
1348         (struct function_format_info): Use an int for format_type.
1349         (decode_format_type): Return an int.  Return format_type_error
1350         on error.
1351         (print_char_table, asm_fprintf_char_table, gcc_diag_char_table)
1352         (gcc_diag_char_table, gcc_cdiag_char_table, gcc_cxxdiag_char_table)
1353         (scan_char_table, time_char_table, monetary_char_table): Initialize
1354         CHAIN to NULL.
1355         (n_format_types): New variable.
1356         (check_format_info_main): Handle CHAIN in format_char_info.
1357         (handle_format_attribute): Handle TARGET_FORMAT_TYPES and
1358         TARGET_N_FORMAT_TYPES.
1359         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
1360         (sparc-*-solaris2*): Include config/t-sol2 and config/sol2-c.c.
1361         * config/sol2-c.c: New file.
1362         * config/t-sol2: New file.
1363         * config/sol2.h (TARGET_N_FORMAT_TYPES, TARGET_FORMAT_TYPES): Define.
1364         * config/sparc/elf.h, config/sparc/sp64-elf.h: Undefine
1365         TARGET_N_FORMAT_TYPES and TARGET_FORMAT_TYPES.
1366
1367         * doc/extend.texi (Target Format Checks): New section.
1368         (Function Attributes): Mention it.
1369         * doc/invoke.texi: Mention target format checks.
1370         * doc/sourcebuild.texi: Mention target format checks.
1371         * dc/tm.texi (Misc): Document TARGET_N_FORMAT_TYPES and
1372         TARGET_FORMAT_TYPES.
1373
1374 2004-07-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1375
1376         * config/s390/s390-protos.h (s390_return_address_offset): Prototype
1377         added.
1378         * config/s390/s390.c (regclass_map initializer): Register 35 added to
1379         ADDR_REGS.
1380         (load_multiple_operation, store_multiple_operation): Removed
1381         pointless sanity check.
1382         (s390_decompose_address): Added check for return_address_pointer_rtx.
1383         (s390_return_addr_rtx): Use return_address_pointer_rtx for count == 0.
1384         (s390_return_address_offset): New function.
1385         * config/s390/s390.h (FIRST_PSEUDO_REGISTER): Increased to 36.
1386         (FRAME_REGNO_P): Added check for register 35.
1387         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS,
1388         REG_ALLOC_ORDER): Appended entry for register 35.
1389         (REG_CLASS_CONTENTS): Adjusted class masks for register 35.
1390         (EH_RETURN_HANDLER_RTX): Use return_address_pointer_rtx.
1391         (RETURN_ADDRESS_POINTER_REGNUM): New macro.
1392         (ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET): Return address pointer
1393         is eliminable using stack pointer or hard frame pointer.
1394         (REGISTER_NAMES): Added name for register 35.
1395         * config/s390/s390.md ("load_multiple", "store_multiple"): Removed
1396         pointless sanity check.
1397
1398 2004-07-19  Roger Sayle  <roger@eyesopen.com>
1399
1400         * fold-const.c (tree_expr_nonzero_p): Add function prototype.
1401         (fold) <EQ_EXPR>: Move tree_expr_nonzero_p optimization from
1402         fold_relational_const to here, i.e. "(x | 5) == 0" -> false.
1403         (fold) (UNEQ_EXPR>: Add optimizations for unordered comparisons
1404         of the form "x op x" where op is UNLE, UNGE, UNEQ or LTGT.
1405         (fold_relational_const): Tidy up handling of floating point
1406         comparisons by calling real_compare.  Remove tree_expr_nonzero_p
1407         transformation; fold_relational_const assumes constant operands.
1408
1409 2004-07-19  Gabriel Dos Reis  <gdr@integrable-solution.net>
1410
1411         * doc/sourcebuild.texi: Add libcpp, now that CPP has its own
1412         directory.
1413
1414 2004-07-19  Joseph S. Myers  <jsm@polyomino.org.uk>
1415
1416         * c-tree.h (struct c_expr): Define.
1417         (C_SET_EXP_ORIGINAL_CODE): Remove.
1418         (parser_build_binary_op, build_compound_expr): Update prototypes.
1419         * c-parse.in (%union): Add exprtype.
1420         (FUNC_NAME): Mark as ttype.
1421         (expr, expr_no_commas, cast_expr, unary_expr, primary): Change to
1422         exprtype.
1423         (expr): Update.  Define directly in terms of expr_no_commas
1424         instead of using nonnull_exprlist.
1425         (nonnull_exprlist, unary_expr, cast_expr, expr_no_commas, primary,
1426         offsetof_member_designator, typespec_nonreserved_nonattr, init,
1427         initval, designator, component_declarator,
1428         component_notype_declarator, enumerator, array_declarator,
1429         condition, exexpr, switch_statement, stmt_nocomp, stmt,
1430         nonnull_asm_operands, ivar_declarator, receiver): Update.  Don't
1431         set C_EXP_ORIGINAL_CODE.  Use TREE_NO_WARNING for assignments
1432         where appropriate.
1433         * c-common.h (C_EXP_ORIGINAL_CODE): Remove.
1434         * c-common.c (c_common_truthvalue_conversion): Don't check
1435         C_EXP_ORIGINAL_CODE.
1436         * c-typeck.c (parser_build_binary_op): Use c_expr structures.
1437         Don't use C_EXP_ORIGINAL_CODE.
1438         (default_conversion, default_function_array_conversion): Don't use
1439         C_EXP_ORIGINAL_CODE.  Preserve TREE_NO_WARNING.
1440         (internal_build_compound_expr): Merge into build_compound_expr.
1441         (build_compound_expr): Take two operands instead of a TREE_LIST.
1442         * objc/objc-act.c (get_super_receiver): Update calls to
1443         build_compound_expr.
1444
1445 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
1446
1447         * config/sh/sh.c (sh_use_dfa_interface): Remove.
1448         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Set to
1449         hook_int_void_1.
1450         * config/sh/sh.md: Extract pipeline descriptions
1451         into separate files.
1452         * config/sh/sh1.md: New file, extracted from sh.md.
1453         * config/sh/sh4.md: New file, extracted from sh.md.
1454         * config/sh/shmedia.md: New file, extracted from sh.md
1455         and rewritten using new-style pipeline description.
1456
1457 2004-07-18  Zack Weinberg  <zack@codesourcery.com>
1458
1459         * config/pa/pa.md: Delete the two remaining define_peephole
1460         patterns.
1461
1462 2004-07-18  Steven Bosscher  <stevenb@suse.de>
1463             Joseph S. Myers  <jsm@polyomino.org.uk>
1464
1465         * c-common.c (c_common_truthvalue_conversion): Don't warn if
1466         TREE_NO_WARNING is set.
1467
1468 2004-07-18  Roger Sayle  <roger@eyesopen.com>
1469
1470         * builtins.c (simplify_builtin_memcmp, simplify_builtin_strcmp,
1471         simplify_builtin_strncmp): Delete.
1472         (fold_builtin_memcmp, fold_builtin_strcmp, fold_builtin_strncmp):
1473         Change argument to accept an arglist instead of an "exp".  Assume
1474         that the return type is always integer_type_node.  Copy missing
1475         transformations from their now obsolete simplify_builtin_*
1476         equivalents.
1477         (fold_builtin_1): Pass arglist instead of exp to fold_builtin_memcmp,
1478         fold_builtin_strcmp and fold_builtin_strncmp.
1479         (simplify_builtin): Call fold_builtin_memcmp, fold_builtin_strcmp
1480         and fold_builtin_strncmp instead of simplify_builtin_memcmp,
1481         simplify_builtin_strcmp and simplify_builtin_strncmp respectively.
1482
1483 2004-07-18  Daniel Jacobowitz  <dan@debian.org>
1484
1485         * Makefile.in (tree-alias-common.o): Update dependencies.
1486
1487 2004-07-17  Sebastian Pop  <pop@cri.ensmp.fr>
1488
1489         * cfgloop.c (flow_loop_nested_p): Fix comment.
1490
1491 2004-07-17  Jason Merrill  <jason@redhat.com>
1492
1493         PR c++/16115
1494         * stor-layout.c (relayout_decl): New fn.
1495         * tree.h: Declare it.
1496         (DECL_BY_REFERENCE): New macro.
1497
1498 2004-07-17  Eric Botcazou  <ebotcazou@act-europe.fr>
1499
1500         * libgcc2.c (__enable_execute_stack): New symbol.
1501         * libgcc-std.ver (GCC_3.4.2): New version.  Inherit from GCC_3.4
1502         and declare __enable_execute_stack.
1503         * mklibgcc.in (lib2funcs): Add _enable_execute_stack.
1504         * config/netbsd.h (NETBSD_ENABLE_EXECUTE_STACK): ANSIfy.
1505         * config/sol2.h (TRANSFER_FROM_TRAMPOLINE): Rename into
1506         ENABLE_EXECUTE_STACK.
1507         * config/alpha/alpha.c (alpha_initialize_trampoline): Conditionalize
1508         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
1509         * config/alpha/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Rename into
1510         ENABLE_EXECUTE_STACK.
1511         * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
1512         * config/i386/i386.c (x86_initialize_trampoline): Conditionalize
1513         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
1514         * config/i386/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Rename into
1515         ENABLE_EXECUTE_STACK.
1516         * config/i386/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
1517         * config/i386/netbsd64.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
1518         * config/sparc/freebsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
1519         * config/sparc/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
1520         * config/sparc/sparc.c (sparc_initialize_trampoline): Conditionalize
1521         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
1522         (sparc64_initialize_trampoline): Likewise.
1523         * doc/tm.texi (trampolines): Add ENABLE_EXECUTE_STACK macro.
1524
1525 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
1526
1527         * langhooks.h (builtin_function): New langhook.
1528         * langhooks-def.h (LANG_HOOKS_BUILTIN_FUNCTION): New.
1529         (LANG_HOOKS_INITIALIZER): Update.
1530         * tree.h (builtin_function): Remove.
1531         * doc/tm.texi: Update.
1532         * c-tree.h (builtin_function): Declare.
1533         * c-common.c, config/alpha/alpha.c, config/arm/arm.c,
1534         config/c4x/c4x.c, config/frv/frv.c, config/i386/i386.c,
1535         config/ia64/ia64.c, config/iq2000/iq2000.c,
1536         config/rs6000/rs6000.c, config/s390/s390.c, config/sh/sh.c,
1537         config/stormy16/stormy16.c: All callers of builtin_function
1538         changed.
1539
1540 2004-07-17  Andrew Pinski  <pinskia@physics.uc.edu>
1541
1542         PR target/16556
1543         * config/i386/darwin.h (UNLIKELY_EXECUTED_TEXT_SECTION_NAME):
1544         Remove white space after the backslash.
1545
1546 2004-07-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
1547
1548         PR rtl-optimization/16294
1549         * resource.c (return_insn_p): New predicate.
1550         (mark_target_live_regs): Use it.  Special-case return insns.
1551         (init_resource_info): Use it.  Don't scan the epilogue past
1552         a return.
1553
1554 2004-07-17  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1555
1556         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Do not
1557         destroy dominance information.
1558         * passes.c (rest_of_handle_loop2):  Free dominance information.
1559         * tree-cfg.c (cleanup_tree_cfg): Remove unreachable blocks before
1560         jump threading.
1561         (thread_jumps): Update dominance information and remove unreachable
1562         blocks.
1563         * tree-ssa-phiopt.c (replace_phi_with_stmt):  Update dominance
1564         information and remove the unreachable block.
1565
1566 2004-07-17  Graham Stott  <graham.stott@btinternet.com>
1567
1568         * emit-rtl.c (reorder_insns): Don't set BB for a BARRIER insn.
1569
1570 2004-07-17  Toon Moene  <toon@moene.indiv.nluug.nl>
1571
1572         * doc/sourcebuild.texi: Remove libf2c entry.
1573
1574 2004-07-17  Paolo Bonzini  <bonzini@gnu.org>
1575
1576         * config/i386/i386.md (movv16qi_internal): Fix typo.
1577
1578 2004-07-17  Steven Bosscher  <stevenb@suse.de>
1579
1580         * final.c (final_scan_insn): Fix broken commit from previous
1581         patch.
1582
1583 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
1584
1585         * c-typeck.c (parser_build_binary_op): Condition warnings for
1586         X<=Y<=Z on -Wparentheses instead of -Wextra.
1587         * doc/invoke.texi: Update.  Document that most of -Wparentheses is
1588         supported for C only.
1589
1590 2004-07-17  Steven Bosscher  <stevenb@suse.de>
1591
1592         * cfgcleanup.c (try_simplify_condjump): Don't remove line
1593         notes to avoid unreachable code warnings.
1594         * toplev.c (backend_init): Don't emit line notes for
1595         unreachable code warnings.
1596
1597         * combine.c (distribute_notes): Don't distribute a
1598         REG_VTABLE_REF note.
1599         * final.c (final_scan_insn): Don't handle it.
1600         * rtl.c (reg_note_name): Remove it.
1601         * rtl.h (enum reg_node): Dito.
1602
1603         * emit-rtl.c (force_line_numbers, restore_line_number_status):
1604         Remove.
1605         * rtl.h (force_line_numbers, restore_line_number_status):
1606         Remove prototypes.
1607
1608         * stmt.c (using_eh_for_cleanups_p, using_eh_for_cleanups): Move...
1609         * tree-eh.c (using_eh_for_cleanups_p): ...here.  Make static.
1610         (using_eh_for_cleanups): Also moved here.
1611
1612         * expr.c (expand_expr_real_1) <CASE_LABEL_EXPR>: Die if we see one.
1613         <SWITCH_EXPR>: Die if we have a non-NULL SWITCH_BODY.  Update calls
1614         to expand_start_case and add_case_node.
1615         * stmt.c (struct nesting): Cleanup unused fields condition_code,
1616         last_unconditional_cleanup, nominal_type, printname, and
1617         line_number_status.
1618         (struct fixup_goto): Remove.
1619         (struct stmt_status): Remove x_goto_fixup_chain field.
1620         (goto_fixup_chain): Remove.
1621         (strip_default_case_nodes, group_case_nodes, emit_jump_if_reachable,
1622         pushcase, pushcase_range): Remove.
1623         (expand_start_bindings_and_block): Don't set unused fields in
1624         the nesting stack.
1625         (expand_start_case, add_case_node): Cleanup unused formal arguments.
1626         (expand_end_case_type): Don't simplify the case-list.  Use emit_jump
1627         instead of emit_jump_if_reachable.
1628         (emit_case_nodes): Likewise.
1629         * tree-cfg.c (group_case_labels, cleanup_dead_labels): No longer
1630         static.
1631         (update_eh_label): Work around left-over exception handing regions.
1632         * tree-flow.h (group_case_labels, cleanup_dead_labels): Add protos.
1633         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): New function.
1634         (pass_cleanup_cfg_post_optimizing): New pass.
1635         (init_tree_optimization_passes): Run the new pass after all
1636         optimizations.
1637         * tree.h (pushcase, pushcase_range): Remove prototypes.
1638         (expand_start_case, add_case_node): Update prototypes.
1639
1640 2004-07-16  Krister Walfridsson  <cato@df.lth.se>
1641
1642         * tree-inline.c (estimate_num_insns_1): Correct increase of count.
1643
1644 2004-07-16  Richard Henderson  <rth@redhat.com>
1645
1646         * builtins.c (std_expand_builtin_va_arg): Remove.
1647         (expand_builtin_va_arg): Remove.
1648         * expr.h: Don't declare them.
1649         * gimplify.c (mark_decls_volatile_r): Remove.
1650         (copy_if_shared_r): Don't call it.
1651         * target-def.h: Don't test EXPAND_BUILTIN_VA_ARG.
1652         * expr.c (expand_expr_real_1): Don't handle VA_ARG_EXPR.
1653         * gimple-low.c (lower_stmt): Likewise.
1654         * tree-cfg.c (cfg_remove_useless_stmts_bb): Likewise.
1655         * tree-gimple.c (is_gimple_tmp_rhs, is_gimple_stmt): Likewise.
1656         * tree-ssa-operands.c (get_expr_operands): Likewise.
1657         * doc/tm.texi (TARGET_GIMPLIFY_VA_ARG_EXPR): Don't mention
1658         EXPAND_BUILTIN_VA_ARG.
1659         * system.h (EXPAND_BUILTIN_VA_ARG): Poison.
1660         * config/alpha/alpha.h, config/alpha/unicosmk.h, config/i386/i386.h,
1661         config/ia64/ia64.h, config/rs6000/rs6000.h, config/s390/s390.h,
1662         config/sparc/sparc.h (EXPAND_BUILTIN_VA_ARG): Remove.
1663
1664 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
1665
1666         * tree-ssa-pre.c (insert_aux): Break out if we hit
1667         a critical edge.
1668
1669 2004-07-16  Richard Henderson  <rth@redhat.com>
1670
1671         * basic-block.h (remove_fake_exit_edges): Declare.
1672         * cfganal.c (remove_fake_predecessors): Rename from
1673         remove_fake_successors; iterate over predecessors.
1674         (remove_fake_exit_edges): New.
1675         * cfgcleanup.c (try_optimize_cfg): Use it.
1676         * gcse.c (one_pre_gcse_pass, store_motion): Likewise.
1677         * predict.c (estimate_probability): Likewise.
1678         (tree_estimate_probability, note_prediction_to_br_prob): Likewise.
1679         * tree-cfg.c (make_edges): Likewise.
1680         * tree-ssa-pre.c (fini_pre): Likewise.
1681         * profile.c (instrument_edges): Don't remove_fake_edges.
1682         (branch_prob): Do it earlier here.
1683
1684 2004-07-16  Richard Henderson  <rth@redhat.com>
1685
1686         * tree-ssa-operands.c (get_expr_operands): Fix 2004-07-15
1687         switchification wrt CONSTRUCTOR.  Document the reason.
1688
1689 2004-07-16  Frank Ch. Eigler  <fche@redhat.com>
1690
1691         * tree-mudflap.c (mf_file_function_line_tree): Correct typo
1692         that prevented descriptive __mf_check source location strings.
1693
1694 2004-07-16  Richard Henderson  <rth@redhat.com>
1695
1696         * tree-def (WITH_SIZE_EXPR): New.
1697         * explow.c (expr_size, int_expr_size): Handle WITH_SIZE_EXPR.
1698         * expr.c (expand_expr_real_1): Likewise.
1699         * gimplify.c (maybe_with_size_expr): New.
1700         (gimplify_arg, gimplify_modify_expr): Use it.
1701         (gimplify_modify_expr_to_memcpy): Take size parameter.
1702         (gimplify_modify_expr_to_memset): Likewise.
1703         (gimplify_expr): Handle WITH_SIZE_EXPR.
1704         * tree-alias-common.c (find_func_aliases): Likewise.
1705         * tree-eh.c (tree_could_trap_p): Likewise.
1706         (tree_could_throw_p): Likewise.
1707         * tree-gimple.c (is_gimple_lvalue): Likewise.
1708         (get_call_expr_in): Likewise.
1709         * tree-inline.c (estimate_num_insns_1): Likewise.
1710         (expand_calls_inline): Likewise.
1711         * tree-nested.c (convert_call_expr): Likewise.
1712         * tree-pretty-print.c (dump_generic_node): Likewise.
1713         * tree-sra.c (sra_walk_expr): Likewise.
1714         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
1715         * tree-ssa-ccp.c (get_rhs, set_rhs): Likewise.
1716         * tree-ssa-operands.c (get_expr_operands): Likewise.
1717         * tree-tailcall.c (find_tail_calls): Likewise.
1718
1719         * calls.c (expand_call): Reset old_stack_allocated after
1720         calling emit_stack_restore.
1721
1722 2004-07-16  Richard Henderson  <rth@redhat.com>
1723
1724         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_COPY_RES_DECL_FOR_INLINING,
1725         lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
1726         * langhooks.c (lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
1727         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
1728         copy_res_decl_for_inlining.
1729
1730         * tree-inline.c (declare_return_variable): New modify_dest argument.
1731         Use it as the return value, when possible or manditory.  Handle
1732         TREE_ADDRESSABLE types.
1733         (expand_call_inline): Extract MODIFY_EXPR lhs for call.  Simplify
1734         replacement of CALL_EXPR.
1735
1736 2004-07-16  Richard Henderson  <rth@redhat.com>
1737
1738         * tree-flow.h (struct var_ann_d): Remove has_hidden_use.
1739         * gimple-low.c (expand_var_p): Don't check it.
1740         * tree-ssa-alias.c (setup_pointers_and_addressables): Likewise.
1741         * tree-ssa-copyrename.c (rename_ssa_copies): Likewise.
1742         * tree-ssa-operands.c (add_stmt_operand): Likewise.
1743         * tree-dfa.c (find_hidden_use_vars, find_hidden_use_vars_r): Kill.
1744         (find_referenced_vars): Don't call them.
1745         * tree-flow-inline.h (has_hidden_use, set_has_hidden_use): Kill.
1746
1747 2004-07-16  Richard Henderson  <rth@redhat.com>
1748
1749         * function.c (pass_by_reference): True for all variable sized types.
1750
1751 2004-07-16  Sebastian Pop  <pop@cri.ensmp.fr>
1752
1753         * Makefile.in (tree-pretty-print.o): Depend on tree-chrec.h.
1754         * tree-pretty-print.c: Include tree-chrec.h.
1755         (dump_generic_node): Pretty print SCEV_KNOWN, SCEV_NOT_KNOWN
1756         and POLYNOMIAL_CHREC nodes.
1757
1758 2004-07-16  Steve Ellcey  <sje@cup.hp.com>
1759
1760         * builtins.c (expand_builtin_stpcpy): Do not create temporary
1761         reg with VOIDmode.
1762
1763 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
1764
1765         * config/rs6000/eabi.asm (__eabi_convert): Fix typo (cmpi vs. cmpwi).
1766
1767 2004-07-16  Andreas Krebbel  <krebbel1@de.ibm.com>
1768
1769         * config/s390/s390.md: Changed every occurence of BASE_REGISTER
1770         to BASE_REGNUM.
1771         * config/s390/s390.c: Likewise.
1772         * config/s390/s390.h: Likewise.
1773
1774 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
1775
1776         * config/mips/mips.md (addsi3, adddi3): Remove special handling
1777         of $sp adds.  Remove REGNO checks from mips16 patterns.
1778
1779 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
1780
1781         * config/mips/mips.md: Delete outdated comment.
1782
1783 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
1784
1785         * config/mips/mips.c (get_float_compare_codes): Delete.
1786         (mips_emit_compare): New function, mostly extracted from
1787         get_float_compare_codes and gen_conditional_branch.
1788         (gen_conditional_branch, gen_conditional_move): Use it.
1789
1790 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
1791
1792         * genautomata.c (add_vect): Speedup by using integers as
1793         bit-vectors for walking through the comb_vect and finding
1794         a match.
1795
1796 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
1797
1798         * config/mips/mips.c (mips_zero_if_equal): Only use XORs if the second
1799         operand is an uns_arith_operand; use subtraction otherwise.
1800         * config/mips/mips.md (cmpsi, cmpdi): Allow any nonmemory_operand,
1801         not just arith_operands.
1802
1803 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
1804
1805         * config/mips/mips-protos.h (gen_int_relational): Delete.
1806         (mips_emit_scc): Declare.
1807         * config/mips/mips.c (internal_test): Delete.
1808         (sle_operand, sleu_operand): New functions.
1809         (map_test_to_internal_test, gen_int_relational): Delete.
1810         (mips_emit_binary, mips_relational_operand_ok_p)
1811         (mips_emit_int_relational, mips_zero_if_equal)
1812         (mips_emit_scc): New functions.
1813         (gen_conditional_branch): Rework to use mips_emit_int_relational.
1814         * config/mips/mips.h (PREDICATE_CODES): Add sle_operand and
1815         sleu_operand.
1816         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
1817         (sltu, sleu): Use mips_emit_scc.
1818         (*sge_[sd]i, *sgeu_[sd]i): New patterns.
1819         (*sle_[sd]i, *sle_[sd]i_mips16): Use sle_operand.
1820         (*sleu_[sd]i, *sleu_[sd]i_mips16): Use sleu_operand.
1821
1822 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
1823
1824         * config/mips/mips.md (*sgt_di_mips16): Fix destination constraint.
1825
1826 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
1827
1828         * config/mips/mips.md (*seq_[sd]i): Renamed from seq_[sd]i_zero.
1829         (*sne_[sd]i): Likewise sne_[sd]i_zero.
1830         (*sgt_[sd]i): ...and sgt_[sd]i.
1831         (*slt_[sd]i): ...and slt_[sd]i.
1832         (*sgtu_[sd]i): ...and sgtu_[sd]i.
1833         (*sltu_[sd]i): ...and sltu_[sd]i.
1834         (*sleu_[sd]i): ...and sleu_[sd]i_const.
1835         Name previously unnamed mips16 patterns.  Formatting fixes.
1836
1837 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
1838
1839         * config/mips/mips.c (cmp_operands): Renamed from branch_cmp.
1840         (branch_type): Delete.
1841         (gen_conditional_branch, gen_conditional_move)
1842         (mips_gen_conditional_trap): Update after name change.  Get the
1843         comparison mode from cmp_operands[0].
1844         * config/mips/mips.h (cmp_type, branch_type): Delete.
1845         (cmp_operands): Renamed from branch_cmp.
1846         * config/mips/mips.md (cmpsi, cmpdi, cmpsf, cmpdf): Update after
1847         name change.  Don't set branch_type.
1848         (seq, sne, sgt, sge, slt, sle, sgtu, sgeu, sltu, sleu): Check the
1849         mode class of cmp_operands[0] rather than branch_type.  Update after
1850         name change.
1851
1852 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
1853
1854         * config/mips/mips.c (mips_rtx_costs): In mips16 code, set the cost
1855         of 0...255 to 0 when inside a SET.
1856
1857 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
1858
1859         * config/mips/mips.md: Remove mips16 define_peepholes.
1860
1861 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
1862
1863         * tree-ssa-pre.c (init_pre): Connect infinite loops to exit.
1864         (fini_pre): Remove fake edges.
1865
1866 2004-07-15  Richard Henderson  <rth@redhat.com>
1867
1868         * tree-ssa-operands.c (get_expr_operands): Use a switch.  Split out...
1869         (get_indirect_ref_operands, get_call_expr_operands): ... these.
1870
1871 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
1872
1873         * vec.h (VEC_address): New function.
1874
1875 2004-07-14  Jason Merrill  <jason@redhat.com>
1876
1877         PR middle-end/15885
1878         * gimplify.c (gimplify_arg): New fn, split out from...
1879         (gimplify_call_expr): Here.  Special-case BUILT_IN_VA_START.
1880
1881 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
1882
1883         * config/m68k/m68k.c (output_move_qimode): Abort on an attempt to
1884         generate code which is generated by pushqi1 now
1885         * config/m68k/m68k.h (MOVE_BY_PIECES_P): Remove.
1886
1887 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
1888
1889         * combine.c (simplify_set): match the mode of the constant 0 with
1890         the tested operand to match the compare behaviour and the
1891         simplify_relational_operation() expectation.
1892
1893 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
1894
1895         * config/rs6000/rs6000.md ("bunordered"): Disable for e500.
1896         ("bordered"): Same.
1897
1898 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
1899
1900         * config/rs6000/rs6000.md ("*cceq_ior_compare"): Allow
1901         unconditionally.
1902         * config/rs6000/spe.md ("e500_cceq_ior_compare"): Remove.
1903
1904 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
1905
1906         * config/mips/mips.c (mips_adjust_insn_length): Fix handling of
1907         calls in mips16 code.
1908
1909 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
1910
1911         * config/mips/mips.md: In the mips16 li/neg splitter, use SImode for
1912         the destination of the li as well as for the neg.
1913
1914 2004-07-15  Frank Ch. Eigler  <fche@redhat.com>
1915
1916         g++/15861
1917         * cgraphunit.c (cgraph_build_static_cdtor): Add priority argument.
1918         * cgraph.h: Update declaration.
1919         * c-decl.c (build_cdtor): Update call with default priority.
1920         * coverage.c (create_coverage): Ditto.
1921         * tree-mudflap.c (mf_init_fndecl): New tree.
1922         (mudflap_init): Set it.
1923         (mudflap_register_call): Arrange to call __mf_init before the first
1924         __mf_register call.
1925         (mudflap_finish_file): Mark the mudflap static initializer as extra
1926         high priority, to beat all C++ static constructors.
1927
1928 2004-07-15  Jeff Law  <law@redhat.com>
1929
1930         * loop.c (check_insn_for_givs): Restore check for code labels that was
1931         accidentally deleted by a recent checkin.
1932
1933 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
1934
1935         * vec.h (VEC_T_truncate): Allow truncation of an empty vector.
1936         (VEC_T_quick_insert, VEC_T_ordered_remove): Fix sizeof(T) thinko.
1937
1938 2004-07-14  Richard Henderson  <rth@redhat.com>
1939
1940         * print-tree.c (print_node): Fix casts last change.
1941
1942 2004-07-15  Paul Brook  <paul@codesourcery.com>
1943
1944         * dwarf2out.c (dwarf2out_begin_prologue): Rename IA64_UNWIND_INFO
1945         to TARGET_UNWIND_INFO.
1946         * except.c (output_function_exception_table): Ditto.
1947         * except.h: Ditto.
1948         * opts.c (decode_options): Ditto.
1949         * passes.c (rest_of_handle_final): Ditto.
1950         * final.c (final_start_function): Ditto.
1951         (final_scan_insn, final_scan_insn): Replace IA64_UNWIND_EMIT with
1952         target hook.
1953         * targhooks.h (default_unwind_emit): Declare.
1954         * targhooks.c (default_unwind_emit): New function.
1955         * target-def.h: Define and use TARGET_UNWIND_EMIT.
1956         * target.h (struct gcc_target): Add unwind_emit.
1957         * config/ia64/ia64.c (TARGET_UNWIND_EMIT): Define.
1958         * config/ia64/ia64.h: Rename IA64_UNWIND_INFO to TARGET_UNWIND_INFO.
1959         Remove IA64_UNWIND_EMIT.
1960         * doc/tm.texi: Document TARGET_UNWIND_EMIT and TARGET_UNWIND_INFO.
1961
1962 2004-07-14  Richard Henderson  <rth@redhat.com>
1963
1964         * print-tree.c (print_node): Handle SSA_NAME.
1965
1966 2004-07-14  James E Wilson  <wilson@specifixinc.com>
1967
1968         PR target/16325
1969         * config/mips/mips.h (STARTING_FRAME_OFFSET): When flag_profile_value
1970         and ! TARGET_64BIT, include REG_PARM_STACK_SPACE.
1971
1972 2004-07-15  Jakub Jelinek  <jakub@redhat.com>
1973
1974         * expr.c (expand_assignment): Reenable bitfield += optimizations.
1975         Use alias set 0 for memory, do proper mode calculations and adjust
1976         address for memories.
1977
1978 2004-07-14  Per Bothner  <per@bothner.com>
1979
1980         * input.h:  If USE_MAPPED_LOCATION, define separate expanded_location
1981         structure with extra column field.
1982         * tree.c (expand_location):  Also fill in column field.
1983         * gengtype-lex.l:  Ignore expanded_location typedef, sinze gengtype
1984         gets confused by the two conditionally-compiled definitions.
1985
1986 2004-07-14  Eric Christopher  <echristo@redhat.com>
1987
1988         * calls.c (expand_call): Fix typo in comment.
1989
1990 2004-07-14  Steve Ellcey  <sje@cup.hp.com>
1991
1992         * config/ia64/ia64.c (ia64_expand_compare): Allow ORDERED
1993         comparision of TFmode.
1994
1995 2004-07-14  Richard Henderson  <rth@redhat.com>
1996
1997         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Move indirect ...
1998         (alpha_gimplify_va_arg): ... handling here.  Use pass_by_reference.
1999         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Use pass_by_reference.
2000         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
2001         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
2002         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
2003         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
2004         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
2005         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
2006
2007 2004-07-14  Mike Stump  <mrs@apple.com>
2008
2009         * config/darwin.h (WINT_TYPE): Define to be int to match
2010         system header files.
2011
2012 2004-07-14  Bob Wilson  <bob.wilson@acm.org>
2013
2014         * config/xtensa/xtensa.c (function_arg_advance): Check for args
2015         that must be passed in the stack.
2016         (xtensa_gimplify_va_arg_expr): Skip special-case padding for small
2017         arguments if the size is not a constant.
2018
2019 2004-07-14  Per Bothner  <per@bothner.com>
2020
2021         * c-typeck.c (emit_side_effect_warnings):  Use EXPR_HAS_LOCATION
2022         instead of EXPR_LOCUS in a boolean context, which is always true
2023         if --enable-mapped-location.
2024         * stmt.c (warn_if_unused_value):  Likewise.  Also use EXPR_LOCATION.
2025
2026 2004-07-14  Richard Henderson  <rth@redhat.com>
2027
2028         * dominance.c (struct dom_info): Add fake_exit_edge.
2029         (init_dom_info): Allocate it.
2030         (free_dom_info): Free it.
2031         (calc_dfs_tree): Set it.  Handle noreturn and infinite loops
2032         in two passes.
2033         (calc_idoms): Honor fake_exit_edge.
2034
2035 2004-07-13  Jason Merrill  <jason@redhat.com>
2036
2037         * tree-gimple.c (is_gimple_reg_rhs, is_gimple_mem_rhs): New fns.
2038         (rhs_test_for): New fn.
2039         (is_gimple_tmp_rhs): Rename from is_gimple_rhs.
2040         * tree-gimple.h: Declare them.
2041         * gimplify.c (gimplify_modify_expr): Use the new fns.
2042
2043 2004-07-14  Richard Henderson  <rth@redhat.com>
2044
2045         * config/arm/arm-protos.h (arm_va_arg): Remove.
2046         * config/arm/arm.c (arm_va_arg): Remove.
2047         (arm_init_expanders): Fix alignment of arg_pointer_rtx.
2048         * config/arm/arm.h (EXPAND_BUILTIN_VA_ARG): Remove.
2049
2050 2004-07-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2051
2052         * pa.c (fix_range): New function to mark a range(s) of registers as
2053         fixed registers.
2054         (override_options): Call fix_range if the -mfixed-range option string
2055         is not empty.
2056         * pa.h (TARGET_OPTIONS): Add -mfixed-range option.
2057         * doc/invoke.texi (-mfixed-range): Document new option.
2058
2059 2004-07-14  David Edelsohn  <edelsohn@gnu.org>
2060
2061         * config/rs6000/rs6000.c (function_arg_padding): Do not pad SFmode
2062         for TARGET_64BIT.
2063         (rs6000_gimplify_va_arg): Use size_int instead of build_int_2.
2064
2065 2004-07-14  Roger Sayle  <roger@eyesopen.com>
2066
2067         * expmed.c (expand_sdiv_pow2): New function to expand signed division
2068         by a positive power of two, split out from expand_divmod.  Provide
2069         an alternate implementation when shifts are expensive.  Lower the
2070         threshold for using a branchless implementation to BRANCH_COST >= 2.
2071         (expand_divmod): Call expand_sdiv_pow2 for suitable divisions.
2072
2073 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
2074
2075         * tree-dfa.c (make_rename_temp): *Really* work just
2076         like create_tmp_var if called while outside SSA form.
2077
2078 2004-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
2079
2080         * config/s390/s390.md ("udivsi3"): Ensure trap is generated
2081         for division by zero.
2082         ("umodsi3"): Likewise.
2083
2084 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
2085
2086         * config/mips/mips.c (mips_output_move): When generating mips16 code,
2087         force loads of negative constants to be split.
2088         * config/mips/mips.md (*movhi_mips16, *movqi_mips16): Likewise.
2089         Generalize SImode li/neg splitter to cope with other modes.
2090
2091 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
2092
2093         * expmed.c: Remove more references to QUEUED in the comments.
2094         * expr.c: Likewise.
2095
2096 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
2097
2098         Revert:
2099         2004-07-13  Richard Henderson  <rth@redhat.com>
2100         * config/mips/mips.c (mips_pass_by_reference): Handle mode sizes
2101         correctly.
2102
2103 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
2104
2105         * tree-dfa.c (make_rename_temp): Work just like
2106         create_tmp_var if called while outside SSA form.
2107
2108 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
2109
2110         * expr.c (enqueue_insn, finish_expr_for_function,
2111         protect_from_queue, queued_subexp_p, mark_queue,
2112         emit_insns_enqueued_after_mark, emit_queue,
2113         expand_increment): Remove.
2114         (store_constructor): Expand increment as an assignment.
2115         (expand_expr_real_1 <case PREINCREMENT_EXPR,
2116         case PREDECREMENT_EXPR, case POSTINCREMENT_EXPR,
2117         case POSTDECREMENT_EXPR>): Abort.
2118         * expr.h (QUEUED_VAR, QUEUED_INSN, QUEUED_COPY,
2119         QUEUED_BODY, QUEUED_NEXT, finish_expr_for_function,
2120         protect_from_queue, emit_queue, queued_subexp_p): Remove.
2121         * function.h (pending_chain, x_pending_chain): Remove.
2122         * rtl.def (QUEUED): Remove.
2123
2124         * emit-rtl.c (copy_insn_1, copy_most_rtx,
2125         set_used_flags, verify_rtx_sharing): Remove references to QUEUED.
2126         * genattrtab.c (attr_copy_rtx, clear_struct_flag,
2127         encode_units_mask): Likewise.
2128         * local-alloc.c (equiv_init_varies_p): Likewise.
2129         * rtl.c (copy_rtx): Likewise.
2130         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
2131         * simplify-rtx.c (simplify_gen_subreg): Likewise.
2132         * config/mn10300/mn10300.c (legitimate_pic_operand_p): Likewise.
2133
2134         * builtins.c (expand_builtin, expand_builtin_apply,
2135         expand_builtin_mathfn, expand_builtin_mathfn_2,
2136         expand_builtin_mathfn_3, expand_builtin_setjmp_setup):
2137         Remove calls to emit_queue and protect_from_queue.
2138         * calls.c (expand_call, precompute_arguments,
2139         precompute_register_parameters, rtx_for_function_call,
2140         store_one_arg): Likewise.
2141         * dojump.c (do_compare_and_jump, do_jump): Likewise.
2142         * explow.c (memory_address): Likewise.
2143         * expmed.c (clear_by_pieces_1, clear_storage,
2144         clear_storage_via_libcall, emit_group_load,
2145         emit_group_store, emit_store_flag,
2146         expand_expr_real_1, store_by_pieces,
2147         store_constructor, store_expr, try_casesi,
2148         try_tablejump): Likewise.
2149         * function.c (expand_pending_sizes): Likewise.
2150         * optabs.c (emit_cmp_and_jump_insns,
2151         emit_conditional_add, emit_conditional_move,
2152         expand_fix, expand_float, prepare_cmp_insn): Likewise.
2153         * stmt.c (emit_case_bit_tests,
2154         expand_asm_expr, expand_computed_goto,
2155         expand_decl_init, expand_end_case_type,
2156         expand_end_stmt_expr, expand_expr_stmt_value,
2157         expand_return, expand_start_case,
2158         optimize_tail_recursion): Likewise.
2159         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
2160         * config/s390/s390.c (s390_expand_cmpmem): Likewise.
2161
2162 2004-07-14  Ben Elliston  <bje@au.ibm.com>
2163
2164         * vec.h: Comment fix.
2165
2166 2004-07-13  Richard Henderson  <rth@redhat.com>
2167
2168         * target.h (struct gcc_target): Add calls.pass_by_reference.
2169         * target-def.h (TARGET_PASS_BY_REFERENCE): New.
2170         * function.c (pass_by_reference): Use the hook.
2171         * system.h (FUNCTION_ARG_PASS_BY_REFERENCE): Poison.
2172         * targhooks.c, targhooks.h (hook_pass_by_reference_false): New.
2173         (hook_pass_by_reference_must_pass_in_stack): New.
2174         * config/alpha/alpha.c (function_arg): Don't query pass-by-ref.
2175         (alpha_pass_by_reference): New.
2176         (TARGET_PASS_BY_REFERENCE): New.
2177         * config/alpha/alpha.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2178         * config/arc/arc.c (arc_pass_by_reference): New.
2179         (TARGET_PASS_BY_REFERENCE): New.
2180         * config/arc/arc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2181         (FUNCTION_ARG_CALLEE_COPIES): True.
2182         * config/arm/arm-protos.h (arm_function_arg_pass_by_reference): Remove.
2183         * config/arm/arm.c (TARGET_PASS_BY_REFERENCE): New.
2184         (arm_pass_by_reference): Rename from arm_function_arg_pass_by_reference.
2185         * config/arm/arm.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2186         * config/c4x/c4x.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2187         * config/cris/cris.c (cris_pass_by_reference): New.
2188         (TARGET_PASS_BY_REFERENCE): New.
2189         * config/cris/cris.h (FUNCTION_ARG): Don't query pass-by-ref.
2190         (FUNCTION_INCOMING_ARG, FUNCTION_ARG_ADVANCE): Likewise.
2191         (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2192         * config/fr30/fr30.c (TARGET_PASS_BY_REFERENCE): New.
2193         * config/fr30/fr30.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2194         * config/frv/frv-protos.h (frv_function_arg_pass_by_reference): Kill.
2195         * config/frv/frv.c (TARGET_PASS_BY_REFERENCE): New.
2196         (frv_function_arg_pass_by_reference): Remove.
2197         * config/frv/frv.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2198         * config/i386/i386-protos.h (function_arg_pass_by_reference): Remove.
2199         * config/i386/i386.c (TARGET_PASS_BY_REFERENCE): New.
2200         (ix86_pass_by_reference): Rename from function_arg_pass_by_reference.
2201         * config/i386/i386.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2202         * config/ia64/ia64-protos.h (ia64_function_arg_pass_by_reference): Kill.
2203         * config/ia64/ia64.c (TARGET_PASS_BY_REFERENCE): New.
2204         (ia64_pass_by_reference): Rename from
2205         ia64_function_arg_pass_by_reference.
2206         * config/ia64/ia64.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2207         * config/ip2k/ip2k.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2208         * config/iq2000/iq2000-protos.h (function_arg_pass_by_reference): Kill.
2209         * config/iq2000/iq2000.c (TARGET_PASS_BY_REFERENCE): New.
2210         (iq2000_pass_by_reference): Rename from function_arg_pass_by_reference.
2211         * config/iq2000/iq2000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2212         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
2213         * config/m32r/m32r-protos.h (m32r_pass_by_reference): Remove.
2214         * config/m32r/m32r.c (TARGET_PASS_BY_REFERENCE): New.
2215         (m32r_pass_by_reference): Adjust prototype.  Make static.
2216         Handle mode sizes correctly.
2217         * config/m32r/m32r.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2218         * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c
2219         (m68hc11_function_arg_pass_by_reference): Remove.
2220         * config/m68hc11/m68hc11.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2221         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
2222         * config/mcore/mcore.c (TARGET_PASS_BY_REFERENCE): New.
2223         * config/mcore/mcore.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2224         * config/mips/mips-protos.h (function_arg_pass_by_reference): Remove.
2225         * config/mips/mips.c (TARGET_PASS_BY_REFERENCE): New.
2226         (mips_va_arg): Use pass_by_reference.
2227         (mips_pass_by_reference): Rename from function_arg_pass_by_reference.
2228         Handle mode sizes correctly.
2229         * config/mips/mips.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2230         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
2231         * config/mmix/mmix-protos.h (mmix_function_arg_pass_by_reference): Kill.
2232         * config/mmix/mmix.c (TARGET_PASS_BY_REFERENCE): New.
2233         (mmix_pass_by_reference): Rename from
2234         mmix_function_arg_pass_by_reference.
2235         * config/mmix/mmix.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2236         (FUNCTION_ARG_CALLEE_COPIES): True.
2237         * config/mn10300/mn10300.c (TARGET_PASS_BY_REFERENCE): New.
2238         (mn10300_pass_by_reference): New.
2239         * config/mn10300/mn10300.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2240         (FUNCTION_ARG_CALLEE_COPIES): True.
2241         * config/pa/pa.c (pa_pass_by_reference): New.
2242         (TARGET_PASS_BY_REFERENCE): New.
2243         * config/pa/pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2244         (FUNCTION_ARG_CALLEE_COPIES): True.
2245         * config/rs6000/rs6000-protos.h (function_arg_pass_by_reference): Kill.
2246         * config/rs6000/rs6000.c (TARGET_PASS_BY_REFERENCE): New.
2247         (rs6000_pass_by_reference): Rename from function_arg_pass_by_reference.
2248         * config/rs6000/rs6000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2249         * config/s390/s390-protos.h (s390_function_arg_pass_by_reference): Kill.
2250         * config/s390/s390.c (TARGET_PASS_BY_REFERENCE): New.
2251         (s390_pass_by_reference): Rename from
2252         s390_function_arg_pass_by_reference.
2253         (s390_function_arg_advance): Don't query pass-by-ref.
2254         (s390_function_arg): Likewise.
2255         (s390_gimplify_va_arg): Use pass_by_reference.
2256         (s390_call_saved_register_used): Likewise.
2257         * config/s390/s390.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2258         * config/sh/sh.c (TARGET_PASS_BY_REFERENCE): New.
2259         (shcompact_byref, sh_pass_by_reference): New.
2260         * config/sh/sh.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2261         (SHCOMPACT_BYREF): Remove.
2262         * config/sparc/sparc-protos.h (function_arg_pass_by_reference): Kill.
2263         * config/sparc/sparc.c (TARGET_PASS_BY_REFERENCE): New.
2264         (sparc_pass_by_reference): Rename from function_arg_pass_by_reference.
2265         (sparc_gimplify_va_arg): Use pass_by_reference.
2266         * config/sparc/sparc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2267         * config/stormy16/stormy16.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2268         * config/v850/v850.c (TARGET_PASS_BY_REFERENCE): New.
2269         (v850_pass_by_reference): New.
2270         * config/v850/v850.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2271         (FUNCTION_ARG_CALLEE_COPIES): True.
2272         * doc/tm.texi (TARGET_PASS_BY_REFERENCE): Update from
2273         FUNCTION_ARG_PASS_BY_REFERENCE docs.
2274
2275 2004-07-14  Richard Henderson  <rth@redhat.com>
2276             Richard Sandiford  <rsandifo@redhat.com>
2277
2278         * config/mips/mips-protos.h (mips_va_arg): Delete.
2279         * config/mips/mips.h (EXPAND_BUILTIN_VA_ARG): Delete.
2280         * config/mips/mips.c: Include tree-gimple.h.
2281         (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
2282         (mips_arg_info): Remove special handling of must_pass_in_stck args.
2283         (mips_gimplify_va_arg_expr): Rewritten from mips_va_arg.
2284         (function_arg_pass_by_reference): Return true if must_pass_in_stack.
2285
2286 2004-07-13  Bob Wilson  <bob.wilson@acm.org>
2287
2288         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Swap
2289         arguments for COND_EXPR in big-endian adjustment code.
2290
2291 2004-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2292
2293         * pa-64.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Delete.
2294         * pa.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Modify for hppa64.
2295         * pa32-regs.h (REG_ALLOC_ORDER): Reorder caller-saved registers.
2296         * pa64-regs.h (REG_ALLOC_ORDER): Likewise.
2297
2298 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
2299
2300         PR tree-optimization/16443
2301         * tree-ssa-alias.c: Add more description for
2302         CALL_CLOBBERED_VARS and ADDRESSABLE_VARS.
2303         * tree-ssa-operands.c (get_asm_expr_operands): Re-order the
2304         clobbering of call-clobbered and addressable variables.  If
2305         there are any before aliases have been computed, add them.
2306
2307 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
2308
2309         * tree-optimize.c (execute_todo): Flush DUMP_FILE before
2310         verification.
2311
2312 2004-07-13  Ulrich Weigand  <uweigand@de.ibm.com>
2313
2314         * config/s390/s390.c (s390_gimplify_va_arg): Use size_int instead
2315         of build_int_2.  Convert both operands of PLUS_EXPR and MULT_EXPR
2316         to the same type.
2317
2318 2004-07-13  Per Bothner  <per@bothner.com>
2319
2320         * collect2.c (main):  Handle --no-demangle and --demangle flags.
2321
2322 2004-07-13  Sebastian Pop  <pop@cri.ensmp.fr>
2323
2324         * Makefile.in (OBJS-common): Add tree-data-ref.o.
2325         (tree-scalar-evolution.o): Add missing dependences on tree-pass.h flags.h.
2326         (tree-data-ref.o): New rule.
2327         * lambda.h: New file.
2328         * tree-data-ref.c: New file.
2329         * tree-data-ref.h: New file.
2330         * tree.c (int_cst_value, tree_fold_gcd): New functions.
2331         * tree.h (int_cst_value, tree_fold_gcd): Declared here.
2332
2333 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
2334
2335         PR target/13926
2336         * config/sparc/sparc-protos.h (output_ubranch): New prototype.
2337         * config/sparc/sparc.c (output_ubranch): New function.
2338         * config/sparc/sparc.md (jump pattern): Use it.
2339
2340 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
2341
2342         PR target/16494
2343         * config/sparc/sparc.c (output_cbranch): Properly guard
2344         the code handling far branches with TARGET_V9.
2345         * config/sparc/sparc.md (length attribute): Document the
2346         side-effect of having a length greater or equal to 3.
2347
2348 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
2349             Lloyd Parkes  <lloyd@must-have-coffee.gen.nz>
2350
2351         PR target/15186
2352         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Pass
2353         /usr/ucblib/sparcv9 as -R path when -compat-bsd is specified.
2354
2355 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
2356             Martin Sebor  <sebor@roguewave.com>
2357
2358         PR target/12602
2359         * doc/invoke.texi (SPARC options): Document -threads
2360         and -pthreads on Solaris.
2361
2362 2004-07-13  Richard Henderson  <rth@redhat.com>
2363
2364         * builtins.c (std_gimplify_va_arg_expr): Handle types passed
2365         by reference.
2366         (ind_gimplify_va_arg_expr): Remove.
2367         * tree.h (ind_gimplify_va_arg_expr): Remove.
2368         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Don't use it.
2369         * config/mmix/mmix.c (mmix_function_arg_pass_by_reference): Allow
2370         argsp to be null.
2371
2372         * config/arc/arc.c (arc_gimplify_va_arg_expr): Remove.
2373         (TARGET_GIMPLIFY_VA_ARG_EXPR): Remove.
2374         * config/cris/cris.c, config/fr30/fr30.c, config/frv/frv.c,
2375         config/iq2000/iq2000.c, config/m32r/m32r.c, config/mmix/mmix.c,
2376         config/mn10300/mn10300.c, config/v850/v850.c: Similarly.
2377
2378 2004-07-13  Richard Henderson  <rth@redhat.com>
2379
2380         * function.c (pass_by_reference): New.
2381         (assign_parm_find_data_types): Use it.
2382         * calls.c (initialize_argument_information): Likewise.
2383         (emit_library_call_value_1): Likewise.
2384         * expr.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2385         * function.h (pass_by_reference): Declare.
2386
2387 2004-07-13  Richard Henderson  <rth@redhat.com>
2388
2389         * target-def.h (TARGET_MUST_PASS_IN_STACK): New.
2390         * target.h (struct gcc_target): Add calls.must_pass_in_stack.
2391         * expr.h (MUST_PASS_IN_STACK): Remove.
2392         * system.h (MUST_PASS_IN_STACK): Poison.
2393         * tree.h (must_pass_in_stack_var_size): Declare.
2394         (must_pass_in_stack_var_size_or_pad): Declare.
2395         * calls.c (must_pass_in_stack_var_size): New.
2396         (must_pass_in_stack_var_size_or_pad): Rename from
2397         default_must_pass_in_stack.
2398         * config/alpha/alpha.c (unicosmk_must_pass_in_stack): New.
2399         (TARGET_MUST_PASS_IN_STACK): New.
2400         * config/alpha/unicosmk.h (MUST_PASS_IN_STACK): Remove.
2401         * config/fr30/fr30.c (fr30_must_pass_in_stack): New.
2402         (TARGET_MUST_PASS_IN_STACK): New.
2403         * config/fr30/fr30.h (MUST_PASS_IN_STACK): Remove.
2404         * config/frv/frv.c (frv_must_pass_in_stack): New.
2405         (TARGET_MUST_PASS_IN_STACK): New.
2406         * config/frv/frv.h (MUST_PASS_IN_STACK): Remove.
2407         * config/i386/i386-protos.h (ix86_must_pass_in_stack): Remove.
2408         * config/i386/i386.c (TARGET_MUST_PASS_IN_STACK): New.
2409         (ix86_must_pass_in_stack): Make static.
2410         * config/i386/i386.h (MUST_PASS_IN_STACK): Remove.
2411         * config/ia64/ia64.c (TARGET_MUST_PASS_IN_STACK): New.
2412         * config/ia64/ia64.h (MUST_PASS_IN_STACK): Remove.
2413         * config/m32r/m32r.c (TARGET_MUST_PASS_IN_STACK): New.
2414         * config/m32r/m32r.h (MUST_PASS_IN_STACK): Remove.
2415         * config/mcore/mcore-protos.h (mcore_must_pass_on_stack): Remove.
2416         * config/mcore/mcore.c (TARGET_MUST_PASS_IN_STACK): New.
2417         (mcore_must_pass_on_stack): Remove.
2418         * config/mcore/mcore.h (MUST_PASS_IN_STACK): Remove.
2419         * config/mips/mips.c (TARGET_MUST_PASS_IN_STACK): New.
2420         * config/mips/mips.h (MUST_PASS_IN_STACK): Remove.
2421         * config/pa/pa.c (TARGET_MUST_PASS_IN_STACK): New.
2422         * config/pa/pa.h (MUST_PASS_IN_STACK): Remove.
2423         * config/rs6000/aix.h (MUST_PASS_IN_STACK): Remove.
2424         * config/rs6000/linux64.h (MUST_PASS_IN_STACK): Remove.
2425         * config/rs6000/rs6000.c (rs6000_must_pass_in_stack): New.
2426         (TARGET_MUST_PASS_IN_STACK): New.
2427         * config/sh/sh.c (TARGET_MUST_PASS_IN_STACK): New.
2428         * config/sh/sh.h (MUST_PASS_IN_STACK): Remove.
2429         * config/sparc/sparc.c (TARGET_MUST_PASS_IN_STACK): New.
2430         * config/sparc/sparc.h (MUST_PASS_IN_STACK): Remove.
2431         * config/xtensa/xtensa.c (TARGET_MUST_PASS_IN_STACK): New.
2432         * config/xtensa/xtensa.h (MUST_PASS_IN_STACK): Remove.
2433         * doc/tm.texi (TARGET_MUST_PASS_IN_STACK): Update from
2434         MUST_PASS_IN_STACK.
2435
2436         * calls.c, function.c, config/alpha/alpha.c, config/alpha/alpha.h,
2437         config/alpha/unicosmk.h, config/alpha/vms.h, config/c4x/c4x.c,
2438         config/cris/cris.h, config/fr30/fr30.c, config/fr30/fr30.h,
2439         config/frv/frv.c, config/i386/i386.c, config/iq2000/iq2000.c,
2440         config/mcore/mcore.c, config/mcore/mcore.h, config/mips/mips.c,
2441         config/mmix/mmix.c, config/mmix/mmix.h, config/rs6000/rs6000.c,
2442         config/sh/sh.c, config/sh/sh.h, config/stormy16/stormy16.c,
2443         config/xtensa/xtensa.c: Use target hook.
2444
2445 2004-07-13  Anthony Heading  <aheading@jpmorgan.com>
2446
2447         * configure.ac (gcc_cv_as_offsetable_lo10): Fix a typo.
2448         * configure: Rebuilt.
2449
2450 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
2451
2452         * doc/invoke.texi: Remove documentation for MIPS -mrnames option.
2453         * config/mips/mips.h (mips_reg_names): Don't declare.
2454         (MASK_NAME_REGS): Delete.  Shuffle other MASK_* values down.
2455         (TARGET_NAME_REGS): Delete.
2456         (TARGET_SWITCHES): Remove -mrnames.
2457         (REGISTER_NAMES): Initialise with the old contents of mips_reg_names[].
2458         (ADDITIONAL_REGISTER_NAMES): Remove entries for names mentioned
2459         in REGISTER_NAMES.
2460         * config/mips/mips.c (mips_reg_names, mips_sw_reg_names): Delete.
2461         (override_options): Remove handling of TARGET_NAME_REGS.
2462
2463 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
2464
2465         * config/mips/mips.h (TARGET_*): Boolify.
2466
2467 2004-07-12  Nick Clifton  <nickc@redhat.com>
2468
2469         * config.gcc: Add sh-*-symbianelf target.
2470         * config/sh/sh.c: Add new target macros:
2471         TARGET_ENCODE_SECTION_INFO, TARGET_STRIP_NAME_ENCODING,
2472         TARGET_CXX_IMPORT_EXPORT_CLASS.
2473         (sh_file_start): Create a definition of the .directive section.
2474         (sh_attribute): Add dllimport and dllexport attributes.
2475         * config/sh/symbian-pre.h: New file.
2476         * config/sh/symbian-post.h: New file.
2477         * config/sh/symbian.c: New file. Contains Symbian specific
2478         functions.
2479         * config/sh/sh-protos.h: Add prototypes for new functions
2480         provided by symbian.c.
2481         * config/sh/t-symbian: New file.
2482         * doc/extend.texi: Document support for dllimport and dllexport
2483         attributes by the sh-symbianelf target.
2484
2485 2004-07-12  James E Wilson  <wilson@specifixinc.com>
2486
2487         * Makefile.in (AR): Use @AR@ not ar.
2488         (NM): New.
2489         (AR_FOR_TARGET): Use $(AR) not ar for native.
2490         (NM_FOR_TARGET): Use $(NM) not nm for native.
2491         * configure.ac: Add AC_CHECK_PROG calls for NM and AR.
2492         * configure: Regenerate.
2493
2494 2004-07-12  David S. Miller  <davem@nuts.davemloft.net>
2495
2496         * config/sparc/sparc.md (ashlsi3): Eliminate const 1
2497         special case.
2498         (ashldi3_sp64): Likewise.
2499
2500 2004-07-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2501
2502         PR target/16477
2503         * pa.c (function_arg): Update comment.
2504         * pa.h (BLOCK_REG_PADDING): Define.
2505
2506 2004-07-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2507
2508         PR tree-optimization/16461
2509         * tree-tailcall.c (independent_of_stmt_p): Handle non-SSA name
2510         arguments of phi nodes.
2511
2512 2004-07-12  Devang Patel  <dpatel@apple.com>
2513
2514         * doc/invoke.texi (Darwin Options): Document -gused and -gfull.
2515
2516 2004-07-12  Steve Ellcey  <sje@cup.hp.com>
2517
2518         * function.c (expand_function_start): Ensure r_save is in Pmode.
2519         * calls.c (prepare_call_address): Ensure static_chain_value is
2520         in Pmode.
2521         * builtins.c (expand_builtin_nonlocal_goto): Ensure r_label and
2522         r_save_area are in Pmode.
2523         * config/ia64/ia64.c (ia64_initialize_trampoline): Ensure addr,
2524         fnaddr, and static_chain are in Pmode.
2525
2526 2004-07-12  Vladimir Makarov  <vmakarov@redhat.com>
2527
2528         PR target/16445
2529         * config/ia64/ia64.c (bundling): Don't count ignored insns.
2530
2531 2004-07-12  Richard Henderson  <rth@redhat.com>
2532
2533         * target.h (struct gcc_target): Move gimplify_va_arg_expr
2534         next to build_builtin_va_list.
2535         * target-def.h (TARGET_GIMPLIFY_VA_ARG_EXPR): Update to match.
2536         * builtins.c (gimplify_va_arg_expr): Likewise.
2537         * gimplify.c (copy_if_shared_r): Likewise.
2538
2539 2004-07-12  Alexandre Oliva  <aoliva@redhat.com>
2540
2541         * passes.c (rest_of_decl_compilation): Don't defer call of
2542         assemble_variable if its DECL_RTL is already set.
2543
2544 2004-07-12  Sebastian Pop  <pop@cri.ensmp.fr>
2545
2546         * cfgloop.h (struct loop): Add nb_iterations field.
2547         (current_loops): Declare.
2548         * tree-chrec.c (chrec_not_analyzed_yet,
2549         chrec_dont_know, chrec_known, count_ev_in_wider_type,
2550         chrec_contains_symbols_defined_in_loop): Remove the temporary
2551         hooks.
2552         * tree-flow-inline.h (loop_containing_stmt): New function.
2553         * tree-scalar-evolution.c: Add implementation.
2554         * tree-scalar-evolution.h: Add declarations.
2555
2556 2004-07-12 Vladimir Makarov <vmakarov@redhat.com>
2557
2558         PR rtl-optimization/15921
2559         * Makefile.in (global.o): Add recog.h.
2560
2561         * global.c (recog.h): Add the include-clause.
2562         (bb_info): New member earlyclobber.
2563         (allocate_bb_info, free_bb_info): Initialize/finish the new
2564         member.
2565         (earlyclobber_regclass, earlyclobber_regclass_length): The new
2566         global variables.
2567         (check_earlyclobber, regclass_intersect,
2568         mark_reg_use_for_earlyclobber, mark_reg_use_for_earlyclobber_1):
2569         New functions.
2570         (calculate_local_reg_bb_info): Calculate value of earlyclobber.
2571         (make_accurate_live_analysis): Modify pavin.
2572
2573 2004-07-12  Diego Novillo  <dnovillo@redhat.com>
2574
2575         * tree-cfg.c (find_taken_edge): Statically compute the truth
2576         value of a predicate comparing an SSA_NAME to itself.
2577
2578 2004-07-12  Roger Sayle  <roger@eyesopen.com>
2579
2580         * config/rs6000/rs6000.c (rs6000_rtx_costs): Indicate that the
2581         rs6000 doesn't have shift-and-add or shift-and-sub instructions
2582         by returning the cost of a multiplication plus an addition.
2583
2584 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
2585
2586         PR tree-optimization/14107
2587         * gimplify.c (gimplify_return_expr): Accept a
2588         RETURN_EXPR with an error argument.
2589         * tree-optimize.c (init_tree_optimization_passes):
2590         Run pass_warn_function_return at -O0.
2591
2592 2004-07-12  Roger Sayle  <roger@eyesopen.com>
2593
2594         * doc/invoke.texi: Correct -fasynchronous-unwind-tables option
2595         index entry.
2596
2597 2004-07-12  Richard Sandiford  <rsandifo@redhat.com>
2598
2599         * config/mips/mips.c (mips_use_dfa_pipeline_interface): Delete.
2600         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2601         * config/mips/3000.md: Add copyright notice.  Remove automota and
2602         function units; use generic ones instead.  Only define reservations
2603         for things that are different from generic.md.  Extend each clause
2604         to include r3900.
2605         * config/mips/{4000,4100,4300,4600,5000,6000,generic}.md: New files.
2606         * config/mips/mips.md: Include them. Remove define_function_units.
2607         (alu, imuldiv): New automata and units.
2608
2609 2004-07-12  Ben Elliston  <bje@au.ibm.com>
2610
2611         * doc/invoke.texi (Optimize Options): Document -frename-registers
2612         not being enabled by default at -O3.
2613
2614 2004-07-11  Roger Sayle  <roger@eyesopen.com>
2615
2616         * fold-const.c (fold) <PLUS_EXPR>: Canonicalize X + -C as X - C for
2617         floating point additions, to keep real immediate constant positive.
2618         <MINUS_EXPR>:  For floating point subtractions, only transform X - -C
2619         into X + C, and leave positive real constants as X - C.
2620
2621 2004-07-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2622
2623         * pa.c (hppa_gimplify_va_arg_expr): Remove comment.
2624
2625 2004-07-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2626
2627         PR tree-optimization/15654
2628         * tree-tailcall.c (eliminate_tail_call): Remove unreachable code.
2629
2630 2004-07-11  Roger Sayle  <roger@eyesopen.com>
2631
2632         * builtins.c (fold_builtin_fputs): Don't bother converting the
2633         return type to integer_type_node, as we've already checked that
2634         the result will be ignored.
2635
2636         * tree-eh.c (tree_could_trap_p): Add support for -ftrapv such
2637         that signed addition, subtraction, multiplication, division,
2638         remainder, negation and absolute value may potentially trap.
2639
2640         * fold-const.c (fold_ignored_result): New function to strip
2641         non-side-effecting tree nodes from an expression whose result
2642         is ignored.
2643         (fold_convert): Call fold_ignored_result when casting a value
2644         to VOID_TYPE.
2645         (omit_one_operand):  Call fold_ignored_result on the "omitted"
2646         operand when building a COMPOUND_EXPR.
2647         (pedantic_omit_one_operand): Likewise.
2648         * tree.h (fold_ignored_result): Prototype here.
2649         * tree-ssa-ccp.c (ccp_fold_builtin): Call fold_ignored_result
2650         when we're going to ignore the result.
2651
2652 2004-07-11  Richard Henderson  <rth@redhat.com>
2653
2654         PR tree-opt/16383
2655         * tree-ssa-ccp.c (fold_stmt_r): Split out...
2656         * tree.c (fields_compatible_p, find_compatible_field): ... new.
2657         * tree.h (fields_compatible_p, find_compatible_field): Declare.
2658         * tree-sra.c (sra_hash_tree): Hash fields by offset.
2659         (sra_elt_eq): Use fields_compatible_p.
2660         (generate_one_element_ref): Use find_compatible_field.
2661
2662 2004-07-11  Richard Henderson  <rth@redhat.com>
2663
2664         PR tree-opt/16422
2665         * tree-sra.c (generate_one_element_init): New.
2666         (generate_element_init): Use it.
2667         (scalarize_init): Push/pop gimplify context around it.
2668         (find_new_referenced_vars_1, find_new_referenced_vars): New.
2669         * gimplify.c (gimplify_expr): Allow SSA_NAME.
2670
2671 2004-07-11  Roger Sayle  <roger@eyesopen.com>
2672
2673         * rtlanal.c (insn_rtx_cost): New function, moved and renamed from
2674         combine.c's combine_insn_cost.
2675         * rtl.h (insn_rtx_cost): Prototype here.
2676         * combine.c (combine_insn_cost): Delete function.
2677         (combine_validate_cost): Update callers of combine_insn_cost to
2678         call insn_rtx_cost instead.
2679         (combine_instructions): Likewise.  Use NONJUMP_INSN_P to avoid
2680         requesting the rtx_cost of call and/or jump instructions.
2681
2682         * ifcvt.c (total_bb_rtx_cost): Use insn_rtx_cost instead of calling
2683         rtx_cost directly.  Don't request/use the cost of call or jump
2684         instructions.  Return -1 if the cost of any instruction can't be
2685         determined (or the BB contains a function call).
2686         (find_if_case_1): Abort transformation if total_bb_rtx_cost returns
2687         -1 (i.e. can't determine the cost of any instruction or the basic
2688         block contains a subroutine call).
2689         (find_if_case_2): Likewise.
2690
2691 2004-07-11  Roger Sayle  <roger@eyesopen.com>
2692
2693         * rs6000.c (struct processor_costs): Change semantics of fields to
2694         include the COST_N_INSNS scaling, and update all initializers.
2695         (rs6000_rtx_costs): Don't use COSTS_N_INSNS on rs6000_cost fields.
2696         Use COSTS_N_INSNS(1) for NOT, SIGN_EXTEND, ZERO_EXTEND and COMPARE.
2697         Use rs6000_cost->fp for both FLOAT_TRUNCATE and UNSPEC_FRSP.  When
2698         optimizing for size, use COSTS_N_INSNS(1) for CALL and IF_THEN_ELSE.
2699
2700 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
2701
2702         * LANGUAGES: Remove obsolete information.
2703
2704 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
2705
2706         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): For SIGSEGV and
2707         SIGBUS signal frames, the PSW address points *to* the faulting
2708         instruction, not after it.
2709
2710 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
2711
2712         * config/s390/s390.c (legitimize_tls_address): Handle constant offsets
2713         added to TLS symbol addresses.
2714
2715 2004-07-11  Richard Henderson  <rth@redhat.com>
2716
2717         * expmed.c (init_expmed): Use stack-local structures for
2718         temporary rtl.  Don't recognize shifts.
2719
2720 2004-07-11  Richard Henderson  <rth@redhat.com>
2721
2722         * expr.c (store_expr): Don't fiddle subreg promotion for types
2723         with precision smaller than the mode.
2724
2725 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
2726
2727         * tree.h (all_types_permanent): Remove.
2728
2729 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
2730
2731         * langhooks.h (estimate_num_insns, pushlevel, poplevel, set_block,
2732         maybe_build_cleanup, update_decl_after_saving): Remove hooks.
2733         * langhooks.c (lhd_clear_binding_stack): Remove.
2734         * langhooks-def.h (lhd_clear_binding_stack,
2735         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
2736         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING,
2737         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS, LANG_HOOKS_PUSHLEVEL,
2738         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
2739         (LANG_HOOKS_CLEAR_BINDING_STACK): Define to lhd_do_nothing.
2740         * system.h (LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
2741         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_SET_BLOCK,
2742         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
2743         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING, LANG_HOOKS_POPLEVEL): Poison.
2744         * tree.h (poplevel): Don't declare.
2745         * c-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK, LANG_HOOKS_PUSHLEVEL,
2746         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
2747         * objc/objc-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK,
2748         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK):
2749         Remove.
2750
2751 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
2752
2753         PR tree-optimization/16437
2754         * c-common.c (shorten_compare): Don't mark result of conversion to
2755         narrower signed type as overflowing.
2756         * fold-const.c (decode_field_reference): Determine whether
2757         signedness comes from outer type using precision rather than size.
2758
2759 2004-07-11  Phil Edwards  <phil@codesourcery.com>
2760
2761         * configure.ac:  Alphabetize --enable-checking list, add
2762         missing valgrind entry.
2763         * configure:  Regenerate.
2764
2765 2004-07-11  Phil Edwards  <phil@codesourcery.com>
2766
2767         * doc/install.texi (Testing):  Fix syntax in "make check" example.
2768
2769 2004-07-10  James E Wilson  <wilson@specifixinc.com>
2770
2771         * config/gofast.h (gofast_maybe_init_libfuncs): Use SImode for litodp.
2772
2773 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2774
2775         PR rtl-optimization/16001
2776         * loop-iv.c (iv_number_of_iterations): Prevent copy propagation in
2777         niter_expr.
2778
2779 2004-07-10  Geoffrey Keating  <geoffk@apple.com>
2780
2781         * config/darwin.h (LINK_COMMAND_SPEC): Don't call c++filt.
2782
2783 2004-07-10  Steve Kargl  <sgk@troutmask.apl.washington.edu>
2784             James Morrison  <phython@gcc.gnu.org>
2785
2786         * doc/contrib.texi (Contributors): Add gfortran contributors and
2787         fix a couple of typos.
2788
2789 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2790
2791         PR rtl-optimization/15387
2792         * calls.c (check_sibcall_argument_overlap_1): Handle pointers
2793         to incoming args space correctly.
2794
2795 2004-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2796
2797         * pa.c (output_indirect_call): Only use %r2 as the link register in
2798         indirect calls with the long PA 2.0 pc-relative branch.
2799
2800 2004-07-10  Daniel Jacobowitz  <dan@debian.org>
2801
2802         * config/i386/i386.c (override_options): Pick a 64-bit CPU
2803         for the default tuning if TARGET_64BIT.
2804
2805 2004-07-10  Richard Henderson  <rth@redhat.com>
2806
2807         * builtins.c (std_gimplify_va_arg_expr): Widen align/boundary
2808         to HOST_WIDE_INT.  Fold pad-args-down arithmetic.
2809
2810 2004-07-10  Jakub Jelinek  <jakub@redhat.com>
2811
2812         * expr.h (store_bit_field, extract_bit_field): Remove last argument.
2813         * expmed.c (store_bit_field, extract_bit_field): Remove last
2814         argument.
2815         * builtins.c (expand_builtin_signbit): Adjust callers.
2816         * optabs.c (expand_vector_binop, expand_vector_unop): Likewise.
2817         * calls.c (store_unaligned_arguments_into_pseudos): Likewise.
2818         * ifcvt.c (noce_emit_move_insn): Likewise.
2819         * stmt.c (expand_return): Likewise.
2820         * expr.c (emit_group_load, emit_group_store, copy_blkmode_from_reg,
2821         store_field, expand_expr_real_1): Likewise.
2822
2823 2004-07-10  Richard Henderson  <rth@redhat.com>
2824
2825         * builtins.c (std_gimplify_va_arg_expr): Fix borked BIT_AND_EXPR.
2826
2827 2004-07-09  Mike Stump  <mrs@apple.com>
2828
2829         * config/darwin.c (no_dead_strip): Add.
2830         (HAVE_DEAD_STRIP): Add.
2831         (darwin_emit_unwind_label): Ensure that we don't dead code strip
2832         the .eh label.
2833
2834 2004-07-09  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2835
2836         * tree-ssa-loop-im.c: New file.
2837         * Makefile.in (tree-ssa-loop-im.o): Add.
2838         * cfgloop.c (superloop_at_depth): New function.
2839         * cfgloop.h (superloop_at_depth): Declare.
2840         * common.opt (ftree-lim): New flag.
2841         * expr.c (array_ref_up_bound): New function.
2842         * params.def (PARAM_LIM_EXPENSIVE): New parameter.
2843         * timevar.def (TV_LIM): New timevar.
2844         * tree-dfa.c (compute_immediate_uses): Respect TDFA_USE flags when
2845         computing immediate uses of a phi node.
2846         * tree-flow.h (struct tree_ann_common_d): Add aux field.
2847         (loop_commit_inserts, for_each_index, tree_ssa_lim): Declare.
2848         * tree-optimize.c (init_tree_optimization_passes): Add pass_lim.
2849         * tree-pass.h (pass_lim): Declare.
2850         * tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im): New
2851         functions.
2852         (pass_lim): New pass structure.
2853         * tree-eh.c (tree_could_trap_p): Handle ARRAY_REFs correctly.
2854         * tree.c (in_array_bounds_p): New function.
2855         * tree.h (TREE_THIS_NOTRAP): Define also for ARRAY_REFs.
2856         (in_array_bounds_p, array_ref_up_bound): Declare.
2857         * doc/invoke.texi (-ftree-lim, --param lim-expensive): Document.
2858         * doc/passes.texi (tree-ssa-loop-im.c): Document.
2859
2860 2004-07-09  Richard Henderson  <rth@redhat.com>
2861
2862         * builtins.c (expand_builtin_stpcpy): Don't modify len.
2863
2864         * tree-ssa-ccp.c (ccp_fold_builtin): Strip conversion exprs
2865         with prejudice.
2866
2867 2004-07-10  Kelley Cook  <kcook@gcc.gnu.org>
2868
2869         * flags.h: Delete redundant prototypes that are being generated
2870         in options.h from common.opt.
2871         * common.opt: Add in the expository comments formerly in flags.h.
2872
2873 2004-07-09  Jan Beulich  <jbeulich@novell.com>
2874
2875         * config/i386/i386.c (init_cumulative_args): Set mmx/sse registers
2876         available for use only when TARGET_MMX/_SSE is set, and check for
2877         variable argument function if any register count is non-zero.
2878         (function_arg): Correctly suppress repeated warnings for passing SSE
2879         vectors are arguments without SSE enabled.
2880         (ix86_function_arg_boundary): Without SSE enabled, the use of what
2881         would be SSE register modes does no longer influence the alignment.
2882
2883 2004-07-09  Richard Henderson  <rth@redhat.com>
2884
2885         * builtins.c (std_gimplify_va_arg_expr): Deny ARGS_GROW_DOWNWARD.
2886         Always align upward to arg boundary.  Use size_in_bytes/round_up.
2887         Maintain type-correctness of constants.
2888         * stor-layout.c (round_up, round_down): Special-case powers of 2.
2889
2890 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
2891
2892         * config/sparc/sparc.c (*_costs): Scale instruction costs
2893         by COSTS_N_INSNS.
2894         (sparc_rtx_costs): Adjust as appropriate.
2895
2896 2004-07-09  Jan Beulich  <jbeulich@novell.com>
2897
2898         * config/i386/mm3dnow.h: New.
2899         * config.gcc: Add mm3dnow.h to extra_headers for i?86 and x86-64.
2900
2901 2004-07-09  Richard Henderson  <rth@redhat.com>
2902
2903         * simplify-rtx.c (simplify_const_relational_operation): Only
2904         look at bounds of scalar integers.
2905
2906 2004-07-09  Jan Beulich  <jbeulich@novell.com>
2907
2908         * config/i386/i386.md (sse2_clflush): Use correct operand for clflush.
2909
2910 2004-07-09  Andrew Pinski  <apinski@apple.com>
2911
2912         * objc/objc-act.c (build_module_descriptor): Mark UOBJC_MODULES_decl as
2913         always referenced.
2914         (synth_forward_declarations): Likewise for UOBJC_CLASS_decl and
2915         UOBJC_METACLASS_decl.
2916
2917 2004-07-09  James E Wilson  <wilson@specifixinc.com>
2918
2919         PR target/16364
2920         * config/ia64/ia64.c (ia64_function_arg): For a single element HFA,
2921         do return a parallel if hfa_mode == XFmode and mode == TImode.
2922
2923 2004-07-09  Jan Beulich  <jbeulich@novell.com>
2924
2925         * c-typeck.c (build_unary_op): include VECTOR_TYPE in set of codes
2926         permissible for unary plus.
2927
2928 2004-07-09  Jan Beulich  <jbeulich@novell.com>
2929
2930         * builtin-types.def (BT_UINT): Rename from BT_UNSIGNED.
2931         (BT_FN_UINT): Rename from BT_FN_UNSIGNED.
2932         (BT_FN_PTR_UINT): Rename from BT_FN_PTR_UNSIGNED.
2933         (BT_ULONG, BT_ULONGLONG, BT_UINTMAX, BT_FN_INT_UINT, BT_FN_INT_ULONG,
2934         BT_FN_INT_ULONGLONG, BT_FN_INT_INTMAX, BT_FN_INT_UINTMAX): New.
2935         * builtins.def (BUILTIN_CLZxxx, BUILTIN_CTXxxx, BUILTIN_PARITYxxx,
2936         BUILTIN_POPCOUNTxxx): Arguments are unsigned.
2937         (BUILTIN_xxxIMAX): New.
2938         * builtins.c (expand_builtin): Handle BUILT_IN_FFSIMAX,
2939         BUILT_IN_CLZIMAX, BUILT_IN_CTZIMAX, BUILT_IN_POPCOUNIMAX, and
2940         BUILT_IN_PARITYIMAX.
2941
2942 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
2943
2944         * config/sparc/sparc.h (processor_costs): Define.
2945         (sparc_costs): Declare.
2946         * config/sparc/sparc.c (cypress_costs, supersparc_costs,
2947         hypersparc_costs, sparclet_costs, ultrasparc_costs,
2948         ultrasparc3_costs): New.
2949         (sparc_override_options): Set sparc_costs as appropriate.
2950         (sparc_rtx_costs): Use sparc_costs instead of messy
2951         conditionals.
2952
2953 2004-07-09  Steven Bosscher  <stevenb@suse.de>
2954
2955         * doc/md.texi (Processor pipeline description): Mention that
2956         the old pipeline description is deprecated.
2957
2958         * config/rs6000/7450.md (automaton ppc7450): Split up, move
2959         mciu_7450 function unit to...
2960         (automaton ppc7450mciu): ...new automaton.
2961
2962         * haifa-sched.c (insert_schedule_bubbles_p): Remove.
2963         (schedule_block): Don't consider inserting bubbles.
2964         (sched_init): Don't initialize DFA bubbles.
2965         * target-def.h (TARGET_SCHED_INIT_DFA_BUBBLES,
2966         TARGET_SCHED_DFA_BUBBLE): Remove.
2967         * target.h (init_dfa_bubbles, dfa_bubble): Remove hooks.
2968         * doc/tm.texi (TARGET_SCHED_INIT_DFA_BUBBLES,
2969         TARGET_SCHED_DFA_BUBBLE): Remove documentation.
2970
2971         * stmt.c (conditional_context): Remove prototype.
2972         * tree.h (conditional_context): Remove.
2973         * tree-cfg.c (pre_insert_on_edge): Remove.
2974
2975         * c-common.h (c_expand_asm_operands): Remove prototype.
2976         * c-typeck.c (c_expand_asm_operands): Remove.
2977
2978 2004-07-09  Jan Beulich  <jbeulich@novell.com>
2979
2980         * config/i386/i386.c (classify_argument): Treat V1xx modes the same as
2981         their base modes. CTImode, TCmode, and XCmode must be passed in memory.
2982         TFmode (__float128) must be is an SSE/SSEUP pair. V2SImode, V4HImode,
2983         and V8QI are class SSE. All sufficiently small remaining vector modes
2984         must be passed in one or two integer registers.
2985         (ix86_libcall_value): TFmode must be returned in xmm0, XCmode must be
2986         returned in memory.
2987         (bdesc_2arg, ix86_init_mmx_sse_builtins): __builtin_ia32_pmuludq and
2988         __builtin_ia32_pmuludq128 have non-uniform argument and return types
2989         and must thus be handled explicitly.
2990         * config/i386/i386.md (*movdi_1_rex64): Add cases for moving between
2991         MMX and XMM regs.
2992         (movv8qi_internal, movv4hi_internal, movv2si_internal,
2993         movv2sf_internal): Permit moving between MMX and XMM registers (since
2994         MMX areguments and return values are passed in XMM registers).
2995         (sse2_umulsidi3): Correct type and mode.
2996
2997 2004-07-09  Richard Henderson  <rth@redhat.com>
2998
2999         * tree-cfg.c (dump_cfg_stats): Fix 64-bit format mismatch errors.
3000
3001 2004-07-09  Eric Christopher  <echristo@redhat.com>
3002
3003         * config/rs6000/40x.md: Split into two automatons.
3004
3005 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
3006             Andrew Pinski  <apinski@apple.com>
3007
3008         * c-opts.c (c_common_post_options): Force unit-at-a-time mode
3009         on when we have more than one input file.
3010         (c_common_parse_file): Restore loop over all input files.
3011         Clarify diagnostic for -dy when YYDEBUG wasn't defined.
3012
3013         * c-decl.c (set_type_context): New function.
3014         (pop_scope): Use it to set context of types.  When we
3015         encounter a TYPE_DECL, set the context of the attached type too.
3016         (pop_file_scope): Don't call cpp_undef_all here.
3017         (diagnose_mismatched_decls): Do not complain about a second
3018         definition of an 'extern inline' function if it's not in the
3019         same translation unit.  Do not complain about inline
3020         declaration after use if the use was in a different
3021         translation unit.
3022         (merge_decls): Don't clobber olddecl's DECL_CONTEXT.
3023         (pushdecl): Do not put DECL_EXTERNAL, !TREE_PUBLIC decls in
3024         the external scope.
3025         (pushdecl_top_level): Likewise.
3026         (grokdeclarator): Clarify what is going on with setting
3027         DECL_EXTERNAL on function types, a little.
3028         (c_write_global_declarations): Don't do anything if
3029         -fsyntax-only or errors have been encountered.
3030
3031 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
3032
3033         * vec.c, vec.h (vec_assert_fail): Use unsigned int for LINE argument.
3034
3035 2004-07-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3036
3037         PR target/16459
3038         * pa.c (output_indirect_call): Use %r2 as the link register when
3039         calling $$dyncall with a pc-relative branch.
3040
3041 2004-07-08  Gerald Pfeifer  <gerald@pfeifer.com>
3042
3043         * doc/install.texi (Binaries): Mention OpenPKG.
3044
3045 2004-07-09  Diego Novillo  <dnovillo@redhat.com>
3046
3047         Fix PR tree-optimization/15555
3048         * tree-dfa.c (dump_variable): If the variable is a pointer
3049         SSA_NAME, also dump its points-to information.
3050         * tree-flow.h (struct ptr_info_def): Add field
3051         is_dereferenced.
3052         (dump_points_to_info_for): Declare.
3053         (debug_points_to_info_for): Declare.
3054         * tree-optimize.c (init_tree_optimization_passes): Add a
3055         second alias analysis pass after DOM2.
3056         Move pass_del_pta to a later spot.
3057         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Do not
3058         create a name tags when we find a dereferenced pointer.  Just
3059         mark the pointer dereferenced.
3060         (collect_points_to_info_for): Move code to clear points-to
3061         information to create_name_tags.
3062         (create_name_tags): New function.
3063         (compute_flow_sensitive_aliasing): Call it.
3064         (setup_pointers_and_addressables): Mark type tags for renaming
3065         here instead of ...
3066         (create_memory_tag): ... here.
3067         (merge_pointed_to_info): Do not merge PT_MALLOC attributes.
3068         (dump_points_to_info_for): Declare extern.
3069         (debug_points_to_info_for): New function.
3070
3071 2004-07-09  Paolo Bonzini  <bonzini@gnu.org>
3072
3073         * config/arc/arc.md: Switch to DFA-based scheduler description.
3074         * config/arc/arc.c: Switch to DFA-based scheduler description.
3075
3076 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
3077
3078         * arm/unknown-elf.h (TARGET_DEFAULT): Don't require an APCS frame
3079         pointer.
3080
3081 2004-07-09  Richard Henderson  <rth@redhat.com>
3082
3083         * config/xtensa/xtensa-protos.h (xtensa_va_arg): Remove.
3084         * config/xtensa/xtensa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3085         (xtensa_gimplify_va_arg_expr): Rewrite from xtensa_va_arg.
3086         * config/xtensa/xtensa.h (EXPAND_BUILTIN_VA_ARG): Remove.
3087
3088         * config/v850/v850-protos.h (v850_va_arg): Remove.
3089         * config/v850/v850.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3090         (v850_gimplify_va_arg_expr): Rewrite from v850_va_arg.
3091         * config/v850/v850.h (EXPAND_BUILTIN_VA_ARG): Remove.
3092         (FUNCTION_ARG_PASS_BY_REFERENCE): Handle variable size types.
3093         (FUNCTION_ARG_CALLEE_COPIES): Use FUNCTION_ARG_PASS_BY_REFERENCE.
3094
3095 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
3096
3097         PR target/12133
3098         * arm.c (arm_legitimate_index_p) Allow DFmode for soft-float
3099         and DImode to use +/-4k offset.
3100
3101 2004-07-09  Richard Henderson  <rth@redhat.com>
3102
3103         * config/stormy16/stormy16-protos.h (xstormy16_expand_builtin_va_arg):
3104         Remove.
3105         * config/stormy16/stormy16.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3106         (xstormy16_gimplify_va_arg_expr): Rewrite from
3107         xstormy16_expand_builtin_va_arg.
3108         * config/stormy16/stormy16.h (EXPAND_BUILTIN_VA_ARG): Remove.
3109
3110         * config/sparc/sparc-protos.h (sparc_va_arg): Remove.
3111         * config/sparc/sparc.c (sparc_gimplify_va_arg): Mark static.
3112
3113         * config/sh/sh-protos.h (sh_va_arg): Remove.
3114         * config/sh/sh.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3115         (sh_gimplify_va_arg_expr): Rewrite from sh_va_arg.
3116         * config/sh/sh.h (EXPAND_BUILTIN_VA_ARG): Remove.
3117
3118         * config/pa/pa-protos.h (hppa_va_arg): Remove.
3119         * config/pa/pa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3120         (hppa_gimplify_va_arg_expr): Rewrite from hppa_va_arg.
3121         * config/pa/pa.h (EXPAND_BUILTIN_VA_ARG): Remove.
3122
3123         * config/mn10300/mn10300-protos.h (mn10300_va_arg): Remove.
3124         * config/mn10300/mn10300.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3125         (mn10300_gimplify_va_arg_expr): Rewrite from mn10300_va_arg.
3126         * config/mn10300/mn10300.h (EXPAND_BUILTIN_VA_ARG): Remove.
3127
3128 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
3129
3130         * config/sparc/sparc.md (return): Rewrite length formula.
3131         * config/sparc/sparc.c (output_return): Pass 1 as 5th
3132         argument to final_scan_insn when in a delay slot.
3133         (output_sibcall): Likewise.
3134
3135 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
3136
3137         * arm.c (arm_cpp_interwork): New variable.
3138         (arm_override_options): Set it if TARGET_INTERWORK was on the command
3139         line.
3140         * arm.h (arm_cpp_interwork): Declare it.
3141         (TARGET_CPU_CPP_BUILTINS): Use it to control definition of
3142         __THUMB_INTERWORK__ in the preprocessor.
3143
3144 2004-07-09  Nathan Sidwell  <nathan@codesourcery.com>
3145
3146         * vec.h (VEC_T_alloc): Fix MEM_STAT_DECL pasto.
3147
3148 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
3149
3150         PR target/16416
3151         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): New macro.
3152         Override default settings to account for -m32 and -m64.
3153
3154 2004-07-08  Randolph Chung  <tausq@debian.org>
3155
3156         * pa32-linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
3157
3158 2004-07-09  Alexandre Oliva  <aoliva@redhat.com>
3159
3160         * builtins.c (fold_builtin_strncpy): Make sure len is a constant
3161         before comparing it as such.
3162
3163 2004-07-08  Richard Henderson  <rth@redhat.com>
3164
3165         * builtins.c (std_gimplify_va_arg_expr): Hoist valist into a
3166         temporary.  Use bit arithmetic to align.
3167
3168 2004-07-08  Jerry Quinn  <jlquinn@optonline.net>
3169
3170         * alias.c (nonlocal_mentioned_p, nonlocal_referenced_p,
3171         nonlocal_set_p, init_alias_analysis): Use, LABEL_P, JUMP_P, CALL_P,
3172         NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
3173         * bb-reorder.c (mark_bb_for_unlikely_executed_section,
3174         add_labels_and_missing_jumps, find_jump_block,
3175         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
3176         Likewise.
3177         * bt-load.c (btr_referenced_p, compute_defs_uses_and_gen,
3178         link_btr_uses, move_btr_def): Likewise.
3179         * builtins.c (expand_builtin_longjmp, expand_builtin_nonlocal_goto,
3180         expand_builtin_expect_jump): Likewise.
3181         * caller-save.c (save_call_clobbered_regs, insert_one_insn): Likewise.
3182         * calls.c (expand_call, emit_library_call_value_1): Likewise.
3183         * cfganal.c (forwarder_block_p): Likewise.
3184         * cfgbuild.c (inside_basic_block_p, count_basic_blocks,
3185         make_label_edge, rtl_make_eh_edge, make_edges, find_basic_blocks_1,
3186         find_bb_boundaries): Likewise.
3187         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
3188         merge_blocks_move_predecessor_nojumps,
3189         merge_blocks_move_successor_nojumps, insns_match_p,
3190         flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
3191         try_optimize_cfg): Likewise.
3192         * cfgexpand.c (expand_block, construct_exit_block): Likewise.
3193         * cfglayout.c (skip_insns_after_block, label_for_bb,
3194         record_effective_endpoints, insn_locators_initialize,
3195         fixup_reorder_chain, update_unlikely_executed_notes): Likewise.
3196         * cfgmainloop.c (create_loop_notes): Likewise.
3197         * cfgrtl.c (delete_insn, delete_insn_chain,
3198         create_basic_block_structure, rtl_delete_block, free_bb_for_insn,
3199         update_bb_for_insn, rtl_merge_blocks, rtl_can_merge_blocks,
3200         block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
3201         redirect_branch_edge, force_nonfallthru_and_redirect,
3202         rtl_tidy_fallthru_edge, back_edge_of_syntactic_loop_p,
3203         rtl_split_edge, commit_one_edge_insertion, print_rtl_with_bb,
3204         update_br_prob_note, rtl_verify_flow_info_1, rtl_verify_flow_info,
3205         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
3206         cfg_layout_delete_block, cfg_layout_can_merge_blocks_p,
3207         cfg_layout_merge_blocks, rtl_block_ends_with_call_p,
3208         need_fake_edge_p, rtl_flow_call_edges_add): Likewise.
3209         * combine.c (combine_instructions, can_combine_p, try_combine,
3210         find_split_point, record_dead_and_set_regs, reg_dead_at_p,
3211         distribute_notes, distribute_links, insn_cuid): Likewise.
3212         * cse.c (fold_rtx, cse_insn, cse_around_loop,
3213         invalidate_skipped_block, cse_set_around_loop,
3214         cse_end_of_basic_block, cse_main, cse_basic_block,
3215         cse_condition_code_reg): Likewise.
3216         * cselib.c (cselib_process_insn): Likewise.
3217         * ddg.c (create_ddg): Likewise.
3218         * df.c (df_insn_refs_record, df_bb_rd_local_compute, df_insns_modify):
3219         Likewise.
3220         * dwarf2out.c (dwarf2out_stack_adjust, dwarf2out_frame_debug,
3221         gen_label_die, dwarf2out_var_location): Likewise.
3222         * emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn,
3223         next_insn, previous_insn, next_nonnote_insn, prev_nonnote_insn,
3224         last_call_insn, active_insn_p, next_label, prev_label,
3225         link_cc0_insns, next_cc0_user, try_split, add_insn_after,
3226         add_insn_before, remove_insn, add_function_usage_to,
3227         reorder_insns, find_line_note, remove_unnecessary_notes,
3228         emit_insn_after_1, classify_insn): Likewise.
3229         * except.c (convert_from_eh_region_ranges_1, emit_to_new_bb_before,
3230         connect_post_landing_pads, sjlj_mark_call_sites,
3231         sjlj_emit_function_enter, sjlj_emit_function_exit, reachable_handlers,
3232         can_throw_internal, can_throw_external, set_nothrow_function_flags,
3233         convert_to_eh_region_ranges): Likewise.
3234         * explow.c (optimize_save_area_alloca): Likewise.
3235         * expr.c (expand_expr_real): Likewise.
3236         * final.c (insn_current_reference_address, compute_alignments,
3237         shorten_branches, final, scan_ahead_for_unlikely_executed_note,
3238         final_scan_insn, output_asm_label, leaf_function_p): Likewise.
3239         * flow.c (first_insn_after_basic_block_note, delete_dead_jumptables,
3240         propagate_block_delete_insn, propagate_one_insn,
3241         init_propagate_block_info, propagate_block, libcall_dead_p,
3242         mark_set_1, attempt_auto_inc, find_auto_inc, try_pre_increment):
3243         Likewise.
3244         * function.c (instantiate_virtual_regs, reorder_blocks_1,
3245         expand_function_start, expand_function_end, contains,
3246         thread_prologue_and_epilogue_insns,
3247         reposition_prologue_and_epilogue_notes): Likewise.
3248         * gcse.c (constprop_register, bypass_conditional_jumps,
3249         insert_insn_end_bb, gcse_after_reload): Likewise.
3250         * genemit.c (gen_expand, gen_split): Likewise.
3251         * genpeep.c (gen_peephole, main): Likewise.
3252         * global.c (build_insn_chain): Likewise.
3253         * graph.c (node_data, print_rtl_graph_with_bb): Likewise.
3254         * haifa-sched.c (unlink_other_notes, unlink_line_notes,
3255         get_block_head_tail, no_real_insns_p, rm_line_notes, save_line_notes,
3256         restore_line_notes, rm_redundant_line_notes, rm_other_notes,
3257         ok_for_early_queue_removal, set_priorities, sched_init): Likewise.
3258         * ifcvt.c (count_bb_insns, first_active_insn, last_active_insn,
3259         cond_exec_process_insns, end_ifcvt_sequence, noce_process_if_block,
3260         merge_if_block, block_jumps_and_fallthru_p, find_if_block,
3261         dead_or_predicable): Likewise.
3262         * integrate.c (try_constants): Likewise.
3263         * jump.c (rebuild_jump_labels, cleanup_barriers,
3264         purge_line_number_notes, init_label_info, mark_all_labels,
3265         squeeze_notes, get_label_before, get_label_after,
3266         reversed_comparison_code_parts, simplejump_p, pc_set,
3267         returnjump_p, onlyjump_p, follow_jumps, mark_jump_label,
3268         delete_barrier, delete_prior_computation, delete_computation,
3269         delete_related_insns, delete_for_peephole, redirect_jump):
3270         Likewise.
3271         * lcm.c (optimize_mode_switching): Likewise.
3272         * local-alloc.c (validate_equiv_mem, update_equiv_regs, block_alloc):
3273         Likewise.
3274         * loop-doloop.c (doloop_valid_p, doloop_optimize): Likewise.
3275         * loop-invariant.c (find_exits, find_invariants_bb): Likewise.
3276         * loop-iv.c (simplify_using_assignment): Likewise.
3277         * loop.c (compute_luids, loop_optimize, scan_loop, libcall_other_reg,
3278         libcall_benefit, skip_consec_insns, move_movables, prescan_loop,
3279         find_and_verify_loops, labels_in_range_p, for_each_insn_in_loop,
3280         loop_bivs_init_find, strength_reduce, check_insn_for_bivs,
3281         check_insn_for_givs, check_final_value, update_giv_derive,
3282         basic_induction_var, product_cheap_p, check_dbra_loop,
3283         loop_insn_first_p, last_use_this_basic_block,
3284         canonicalize_condition, get_condition, loop_regs_scan, load_mems,
3285         try_copy_prop, LOOP_BLOCK_NUM, loop_dump_aux): Likewise.
3286         * modulo-sched.c (doloop_register_get, find_line_note, sms_schedule,
3287         sms_schedule_by_order): Likewise.
3288         * optabs.c (emit_no_conflict_block, emit_libcall_block): Likewise.
3289         * postreload.c (reload_cse_simplify_operands, reload_combine,
3290         reload_cse_move2add): Likewise.
3291         * predict.c (can_predict_insn_p, estimate_probability,
3292         expected_value_to_br_prob, process_note_predictions): Likewise.
3293         * print-rtl.c (print_rtx, print_rtl, print_rtl_single): Likewise.
3294         * profile.c (branch_prob): Likewise.
3295         * ra-build.c (live_out_1, livethrough_conflicts_bb,
3296         detect_webs_set_in_cond_jump): Likewise.
3297         * ra-debug.c (ra_print_rtx_object, ra_debug_insns,
3298         ra_print_rtl_with_bb): Likewise.
3299         * ra-rewrite.c (insert_stores, rewrite_program2): Likewise.
3300         * recog.c (next_insn_tests_no_inequality, find_single_use,
3301         split_all_insns, peephole2_optimize, if_test_bypass_p): Likewise.
3302         * reg-stack.c (next_flags_user, record_label_references,
3303         emit_swap_insn, swap_rtx_condition, subst_stack_regs,
3304         compensate_edge, convert_regs_1): Likewise.
3305         * regclass.c (scan_one_insn): Likewise.
3306         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
3307         regmove_optimize, fixup_match_1, single_set_for_csa,
3308         combine_stack_adjustments_for_block): Likewise.
3309         * regrename.c (build_def_use, copyprop_hardreg_forward_1): Likewise.
3310         * reload.c (find_reloads, find_reloads_address_1, subst_reloads,
3311         find_equiv_reg): Likewise.
3312         * reload1.c (reload, calculate_needs_all_insns, set_label_offsets,
3313         reload_as_needed, emit_input_reload_insns, do_output_reload,
3314         delete_output_reload, delete_address_reloads_1, fixup_abnormal_edges):
3315         Likewise.
3316         * reorg.c (find_end_label, emit_delay_sequence,
3317         delete_from_delay_slot, delete_scheduled_jump, optimize_skip,
3318         get_jump_flags, rare_destination, mostly_true_jump,
3319         try_merge_delay_insns, redundant_insn, own_thread_p,
3320         fill_simple_delay_slots, fill_slots_from_thread,
3321         fill_eager_delay_slots, relax_delay_slots, make_return_insns,
3322         dbr_schedule): Likewise.
3323         * resource.c (find_basic_block, next_insn_no_annul,
3324         find_dead_or_set_registers, mark_target_live_regs): Likewise.
3325         * rtl.h (RTX_PREV): Likewise.
3326         * rtlanal.c (global_reg_mentioned_p, no_labels_between_p,
3327         no_jumps_between_p, reg_used_between_p, reg_referenced_between_p,
3328         reg_set_p, find_last_value, dead_or_set_regno_p, find_reg_fusage,
3329         find_regno_fusage, pure_call_p, replace_label, rtx_referenced_p_1,
3330         tablejump_p, computed_jump_p, insns_safe_to_move_p,
3331         find_first_parameter_load, can_hoist_insn_p): Likewise.
3332         * sched-deps.c (get_condition, add_dependence, sched_analyze_2,
3333         sched_analyze_insn, sched_analyze, add_forward_dependence): Likewise.
3334         * sched-ebb.c (fix_basic_block_boundaries, add_deps_for_risky_insns,
3335         schedule_ebbs): Likewise.
3336         * sched-rgn.c (is_cfg_nonregular, find_conditional_protection,
3337         is_conditionally_protected, can_schedule_ready_p,
3338         add_branch_dependences, debug_dependencies): Likewise.
3339         * stmt.c (emit_nop, expand_start_case, emit_jump_if_reachable):
3340         Likewise.
3341         * unroll.c (unroll_loop, copy_loop_body, back_branch_in_range_p,
3342         reg_dead_after_loop, loop_find_equiv_value, loop_iterations,
3343         set_dominates_use, ujump_to_loop_cont): Likewise.
3344         * var-tracking.c (prologue_stack_adjust, vt_initialize): Likewise.
3345         * varasm.c (output_constant_pool_1): Likewise.
3346
3347 2004-07-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3348
3349         * tree-scalar-evolution.c: New file.
3350         * tree-scalar-evolution.h: New file.
3351         * tree-ssa-loop-niter.c: New file.
3352         * Makefile.in (SCEV_H): New.
3353         (tree-scalar-evolution.o, tree-ssa-loop-niter.o): Add new files.
3354         * cfgloop.h (struct loop): Add bounds field.
3355         * tree-flow.h (struct tree_niter_desc): New type.
3356         (number_of_iterations_cond, number_of_iterations_exit,
3357         loop_niter_by_eval, find_loop_niter_by_eval,
3358         estimate_numbers_of_iterations, can_count_iv_in_wider_type,
3359         free_numbers_of_iterations_estimates): Declare.
3360         * tree.h (lower_bound_in_type, upper_bound_in_type): Declare.
3361         * params.def (PARAM_MAX_ITERATIONS_TO_TRACK): New parameter.
3362         * doc/invoke.texi (max-iterations-to-track): Document.
3363
3364 2004-07-08  Kaz Kojima  <kkojima@gcc.gnu.org>
3365
3366         * config/sh/sh.c (sh_va_arg): Initinalize lab_over.
3367         * config/sh/sh.h (CONST_OK_FOR_J16): Use parentheses.
3368         (MODE_AFTER): Add cast appropriately.
3369         * config/sh/sh.md (movdi splitter): Likewise.
3370         (casesi_worker_2): Add const qualifier appropriately.
3371         (eh_return): Remove unused variable.
3372         (insv): Initialize v;
3373
3374 2004-07-08  Richard Henderson  <rth@redhat.com>
3375
3376         * config/mmix/mmix-protos.h (mmix_expand_builtin_va_arg): Remove.
3377         * config/mmix/mmix.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3378         (mmix_gimplify_va_arg_expr): Rewrite from mmix_expand_builtin_va_arg.
3379         * config/mmix/mmix.h (EXPAND_BUILTIN_VA_ARG): Remove.
3380         (FRAME_POINTER_REQUIRED): Use current_function_has_nonlocal_label.
3381
3382         * config/m32r/m32r-protos.h (m32r_va_arg): Remove.
3383         * config/m32r/m32r.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3384         (m32r_gimplify_va_arg_expr): Rewrite from m32r_va_arg.
3385         * config/m32r/m32r.h (EXPAND_BUILTIN_VA_ARG): Remove.
3386
3387         * config/iq2000/iq2000-protos.h (iq2000_va_arg): Remove.
3388         * config/iq2000/iq2000.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3389         (iq2000_gimplify_va_arg_expr): Rewrite from iq2000_va_arg.
3390         * config/iq2000/iq2000.h (EXPAND_BUILTIN_VA_ARG): Remove.
3391
3392         * config/frv/frv-protos.h (frv_expand_builtin_va_arg): Remove.
3393         * config/frv/frv.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3394         (frv_gimplify_va_arg_expr): Rewrite from frv_expand_builtin_va_arg.
3395         * config/frv/frv.h (EXPAND_BUILTIN_VA_ARG): Remove.
3396
3397         * config/i860/i860-protos.h (i860_va_arg): Remove.
3398         * config/i860/i860.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3399         (i860_gimplify_va_arg_expr): Rewrite from i860_va_arg.
3400         * config/i860/i860.h (EXPAND_BUILTIN_VA_ARG): Remove.
3401
3402 2004-05-31  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
3403
3404         * system.h: Prototype getpagesize if missing.
3405         * configure.ac: Add getpagesize to gcc_AC_CHECK_DECLS.
3406         * configure: Regenerate.
3407         * config.in: Regenerate.
3408
3409 2004-07-08  Richard Henderson  <rth@redhat.com>
3410
3411         * config/fr30/fr30-protos.h (fr30_va_arg): Remove.
3412         * config/fr30/fr30.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3413         (fr30_gimplify_va_arg_expr): New.
3414         (fr30_pass_by_reference, fr30_pass_by_value, fr30_va_arg): Remove.
3415         * config/fr30/fr30.h (EXPAND_BUILTIN_VA_ARG): Remove.
3416
3417 2004-07-08  Vladimir Makarov  <vmakarov@redhat.com>
3418
3419         PR target/16414
3420         * config/ia64/ia64.c (ia64_dfa_new_cycle): Fix typo in comparison
3421         of asm_noperands result.
3422
3423 2004-07-08  Richard Henderson  <rth@redhat.com>
3424
3425         * config/cris/cris-protos.h (cris_expand_builtin_va_arg): Remove.
3426         * config/cris/cris.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3427         (cris_gimplify_va_arg_expr): Rewrite from cris_expand_builtin_va_arg.
3428         * config/cris/cris.h (EXPAND_BUILTIN_VA_ARG): Remove.
3429
3430 2004-07-08  Richard Henderson  <rth@redhat.com>
3431
3432         * builtins.c (ind_gimplify_va_arg_expr): New.
3433         * tree.h (ind_gimplify_va_arg_expr): Declare.
3434         * config/arc/arc.c (arc_gimplify_va_arg_expr): Use it.
3435
3436 2004-07-08  Jan Beulich  <jbeulich@novell.com>
3437
3438         * expmed.c (extract_bit_field): Correct condition to use vec_extract
3439         patterns also on vector elements other than the first one.
3440         * config/i386/i386.md (vec_extractv2df, vec_extractv4sf): Add missing
3441         break statements.
3442
3443 2004-07-08  Geoffrey Keating  <geoffk@apple.com>
3444
3445         * config/rs6000/darwin-ldouble.c: Correct reference
3446         to the Linnainmaa paper.
3447
3448 2004-07-08  Richard Henderson  <rth@redhat.com>
3449
3450         * config/arc/arc-protos.h (arc_va_arg): Remove.
3451         * config/arc/arc.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3452         (arc_gimplify_va_arg_expr): Rewrite from arc_va_arg.
3453         * config/arc/arc.h (EXPAND_BUILTIN_VA_ARG): Remove.
3454
3455         * config/c4x/c4x-protos.h (c4x_va_arg): Remove.
3456         * config/c4x/c4x.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3457         (c4x_gimplify_va_arg_expr): Rewrite from c4x_va_arg.
3458         * config/c4x/c4x.h (EXPAND_BUILTIN_VA_ARG): Remove.
3459
3460 2004-07-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3461
3462         * pa.md (prefetch_32, prefetch_64): Simplify constraint checks.
3463
3464 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
3465
3466         * c-decl.c (static_ctors, static_dtors): Make static.
3467         (pop_file_scope): Call c_common_write_pch and
3468         cgraph_finalize_compilation_unit here.
3469         (build_cdtor): Moved here from c-objc-common.c; simplify.
3470         (c_write_global_declarations_1): Clarify comment.
3471         (c_write_global_declarations): Close the external scope before
3472         doing anything else.  Call build_cdtor, cgraph_optimize, and
3473         mudflap_finish_file here.
3474         * c-lang.c (finish_file): Don't call c_objc_common_finish_file.
3475         Clarify comment.
3476         * c-objc-common.c: No need to include cgraph.h.
3477         (build_cdtor): Moved to c-decl.c.
3478         (c_objc_common_finish_file): Delete.
3479         * c-tree.h: Update to match.
3480         * objc/objc-act.c (finish_file): Don't call c_objc_common_finish_file.
3481         (generate_static_references): Set TREE_USED before calling finish_decl.
3482         Eliminate unnecessary dummy declaration.  Call rest_of_decl_compilation
3483         on the static_instances_decl.
3484
3485 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
3486
3487         * c-decl.c (pop_scope): Do not set DECL_CONTEXT on file-scope
3488         decls when there is only one input translation unit.
3489         * langhooks.c (lhd_set_decl_assembler_name): Partially revert
3490         change of 2004-07-05; do not treat declarations with
3491         DECL_CONTEXT a TRANSLATION_UNIT_DECL specially.
3492         * opts.c (cur_in_fname): Delete.
3493         * opts.h: Likewise.
3494         * tree.c: Revert changes of 2004-07-05; no special treatment
3495         for TRANSLATION_UNIT_DECLs.
3496         * Makefile.in (tree.o): Update dependencies.
3497
3498 2004-07-08  Roger Sayle  <roger@eyesopen.com>
3499
3500         * builtins.c (fold_builtin_strcpy): Merge functionality from
3501         simplify_builtin_strcpy.  Add additional len argument.  No longer
3502         static.  Remove function prototype.
3503         (fold_builtin_strncpy): Likewise integrate functionality from
3504         simplify_builtin_strncpy.  Add additional slen argument.  No
3505         longer static.  Remove function prototype.
3506         (simplify_builtin_strcy, simplify_builtin_strncpy): Delete.
3507         (simplify_builtin_fputs): Rename to fold_builtin_fputs.  Change
3508         types of "ignore" and "unlocked" parameters to bool.
3509         (fold_builtin_1):  Add additional ignore argument.  Call renamed
3510         fold_builtin_fputs to simplify GCC "fputs" and "fputs_unlocked"
3511         builtins.  Update arguments to fold_builtin_strncpy and
3512         fold_builtin_strcpy.  Add function prototype.
3513         (fold_builtin): Add additional Boolean ignore argument to pass
3514         to fold_builtin_1.
3515         (simplify_builtin): Call fold_builtin_fputs, fold_builtin_strcpy
3516         and fold_builtin_strncpy instead of simplify_builtin_fputs,
3517         simplify_builtin_strcpy and simplify_builtin_strncpy respectively.
3518
3519         * expr.h (simplify_builtin_fputs, simplify_builtin_strcpy,
3520         simplify_builtin_strncpy): Delete function prototypes.
3521         * tree.h (fold_builtin_fputs, fold_builtin_strcpy,
3522         fold_builtin_strncpy): Add function prototypes here.
3523         (fold_builtin): Update function prototype with new "bool ignore".
3524
3525         * tree-ssa-ccp.c (ccp_fold): Update call to fold_builtin.
3526         (ccp_fold_builtin):  Update call to fold_builtin.  Call
3527         fold_builtin_fputs, fold_builtin_strcpy and fold_builtin_strncpy
3528         instead of simplify_builtin_fputs, simplify_builtin_strcpy and
3529         simplify_builtin_strncpy respectively.
3530         * fold-const.c (fold): Update call to fold_builtin.
3531
3532 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
3533
3534         * builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy
3535         to strcpy.
3536
3537         * expr.h (FUNCTION_ARG_PARTIAL_NREGS): Default to 0.
3538         (FUNCTION_ARG_PASS_BY_REFERENCE): Likewise.
3539         (FUNCTION_ARG_CALLEE_COPIES): Likewise.
3540         * calls.c: Remove ifdefs of macros above.
3541         * functions.c: Likewise.
3542         * expr.c: Likewise.
3543
3544 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
3545
3546         * config/sparc/sparc.md (UNSPECV_GOTO_V9): Delete.
3547         (arch attribute): Delete.
3548         (current_function_calls_alloca attribute): Rename into calls_alloca.
3549         (calls_eh_return): New attribute.
3550         (leaf_function): Likewise.
3551         (length attribute): Fix formula for sibcalls.
3552         (return insn): Correctly compute the 'length' attribute.
3553         (do_builtin_setjmp_setup): Adjust use of current_function_calls_alloca.
3554
3555 2004-07-08  Richard Henderson  <rth@redhat.com>
3556
3557         * tree-cfg.c (make_exit_edges): Use get_call_expr_in.
3558         (remove_useless_stmts_1, is_ctrl_altering_stmt): Likewise.
3559         (tree_block_ends_with_call_p, need_fake_edge_p): Likewise.
3560         * tree-eh.c (lower_eh_constructs_1): Likewise.
3561         * tree-sra.c (sra_walk_modify_expr): Likewise.
3562         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
3563         (eliminate_unnecessary_stmts): Likewise.
3564         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
3565         * tree-tailcall.c (optimize_tail_call): Likewise.
3566         * tree-ssa-ccp.c (get_rhs, set_rhs): Reorg to use switch.
3567
3568 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
3569             Jakub Jelinek  <jakub@redhat.com>
3570
3571         * config/i386/i386.c (override_options): Enable
3572         SSE prefetches with -mtune, as long as we are
3573         compiling for i686 or higher.  All i686 processors
3574         accept SSE prefetches as NOPS, some i586's don't.
3575
3576 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
3577
3578         PR target/10567
3579         * config/sparc/sparc.md (update_return): Honor flag_delayed_branch.
3580
3581 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
3582
3583         * tree-ssa-operands.c (get_asm_expr_operands): Fix thinkos in
3584         the handling of clobbering ASM_EXPRs.
3585
3586 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
3587
3588         PR target/16430
3589         * config/sparc/sparc.c (function_value): In 64-bit mode,
3590         return the aggregates larger than 16 bytes like unions.
3591
3592 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
3593
3594         PR target/16199
3595         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): When
3596         'temp' is zero, generate new pseudos as needed and emit the
3597         sequence of insns in single-assignment form.  Resync comments
3598         with code.
3599         (sparc_emit_set_const64): Pass zero as 'temp' argument to above
3600         function before reload.
3601
3602 2004-07-08  Nathan Sidwell  <nathan@codesourcery.com>
3603
3604         * vec.c (vec_assert_fail): Remove duplicate 'function'.
3605
3606         * vec.c (vec_p_reserve, vec_o_reserve): Allocation is signed.
3607
3608         * vec.h (VEC_alloc, VEC_embedded_size, VEC_embedded_init):
3609         Allocation is signed.
3610         (VEC_reserve): Return flag, allocation is signed.
3611
3612 2004-07-08  Richard Henderson  <rth@redhat.com>
3613
3614         * tree-ssa-ccp.c (fold_stmt): Get type directly from
3615         OBJ_TYPE_REF_OBJECT.
3616
3617 2004-07-08  Joseph S. Myers  <jsm@polyomino.org.uk>
3618             Neil Booth  <neil@daikokuya.co.uk>
3619
3620         PR c/2511
3621         PR c/3325
3622         * c-decl.c (finish_struct): Ensure bit-fields are given the
3623         correct type.
3624         * c-common.c (c_common_signed_or_unsigned_type): For C, require
3625         the precision to match as well as the mode.
3626         * expr.c (reduce_to_bit_field_precision): New function.
3627         (expand_expr_real_1): Reduce expressions of bit-field type to
3628         proper precision.
3629         * langhooks.h (reduce_bit_field_operations): New hook.
3630         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
3631         Define.
3632         * c-lang.c, objc/objc-lang.c
3633         (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Define.
3634         * objc/objc-act.c (check_ivars): Convert types to bit-field types
3635         before checking.
3636         * tree.c (build_nonstandard_integer_type): New function.
3637         * tree.h (build_nonstandard_integer_type): New prototype.
3638         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't treat
3639         conversions between integer and boolean types as useless.
3640
3641 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
3642
3643         * c-common.c (c_common_nodes_and_builtins): Do not
3644         create __builtin_ptrdiff_t and __builtin_size_t.
3645
3646 2004-07-08  Andrew Pinski  <apinski@apple.com>
3647
3648         * Makefile.in (libbackend.o): Add -combine to the gcc
3649         command line.
3650
3651 2004-07-08  Nick Clifton  <nickc@redhat.com>
3652
3653         * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Define.
3654         Set to -Os.
3655
3656 2004-07-08  Richard Henderson  <rth@redhat.com>
3657
3658         * except.c (expand_eh_region_start, expand_eh_region_end,
3659         expand_eh_handler, expand_eh_region_end_cleanup,
3660         expand_start_all_catch, expand_start_catch, expand_end_catch,
3661         expand_end_all_catch, expand_eh_region_end_allowed,
3662         expand_eh_region_end_must_not_throw, expand_eh_region_end_throw,
3663         expand_eh_region_end_fixup): Remove.
3664         * stmt.c (struct nesting): Remove stack_level, innermost_stack_block,
3665         cleanups, outer_cleanups, label_chain, exception_region.
3666         (struct goto_fixup): Remove stack_level, cleanup_list_list.
3667         (struct label_chain): Remove.
3668         (struct stmt_status): Remove x_stack_block_stack.
3669         (stack_block_stack, expand_goto_internal, expand_fixup, expand_fixups,
3670         fixup_gotos, save_stack_pointer, expand_decl_cleanup,
3671         expand_decl_cleanup_eh, expand_cleanups, start_cleanup_deferral,
3672         end_cleanup_deferral, last_cleanup_this_contour,
3673         containing_blocks_have_cleanups_or_stack_level,
3674         any_pending_cleanups): Remove.
3675         (expand_null_return_1): Take no arguments.
3676         (expand_label, expand_naked_return, expand_return,
3677         expand_start_bindings_and_block, expand_end_bindings, expand_decl,
3678         expand_anon_union_decl, expand_start_case, pushcase, pushcase_range,
3679         expand_end_case_type): Don't use any of them.
3680         * calls.c (expand_call): Likewise.
3681         * dojump.c (do_jump): Likewise.
3682         * function.c (expand_function_end): Likewise.
3683         * expr.c (store_expr, expand_expr_real_1): Likewise.
3684         (safe_from_p): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR.
3685         (expand_expr_real_1): Don't handle WITH_CLEANUP_EXPR,
3686         CLEANUP_POINT_EXPR, TARGET_EXPR, TRY_CATCH_EXPR, CATCH_EXPR,
3687         EH_FILTER_EXPR, TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR.
3688         * fold-const.c (fold_checksum_tree): Use first_rtl_op.
3689         * gengtype.c (adjust_field_tree_exp): Remove rtl op handling.
3690         * gimplify.c (gimplify_cleanup_point_expr): Renumber operands
3691         for WITH_CLEANUP_EXPR.
3692         (gimple_push_cleanup): Likewise.
3693         * integrate.c (copy_decl_for_inlining): Don't DECL_TOO_LATE.
3694         * print-tree.c (print_node): Likewise.
3695         * tree-pretty-print.c (dump_generic_node): Remove GOTO_SUBROUTINE_EXPR.
3696         * tree.c (first_rtl_op): Always just TREE_CODE_LENGTH.
3697         (has_cleanups): Remove GOTO_SUBROUTINE_EXPR.
3698         * tree.def (WITH_CLEANUP_EXPR): Remove op1 and op2.
3699         (GOTO_SUBROUTINE_EXPR): Remove.
3700         * tree.h (WITH_CLEANUP_EXPR_RTL): Remove.
3701         (DECL_TOO_LATE): Remove.
3702         * except.h, tree.h: Update decls.
3703
3704 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
3705
3706         * explow.c (optimize_save_area_alloca): Do not accept parameters.
3707         * passes.c (rest_of_handle_final): Handle symout.
3708         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc):
3709         Push timevar here.
3710         (rest_of_handle_sched): Break out SMS.  Remove ifs for
3711         flag_schedule_insns and flag_modulo_sched.
3712         (rest_of_handle_addressof, rest_of_handle_cse2): Garbage
3713         collect at the end.
3714         (rest_of_handle_gcse2): Put under timevar TV_RELOAD_CSE_REGS.
3715         (rest_of_handle_partition_blocks, rest_of_handle_sms,
3716         rest_of_handle_if_after_reload, rest_of_handle_peephole2,
3717         rest_of_handle_mode_switching, rest_of_handle_jump,
3718         rest_of_handle_guess_branch_prob, rest_of_handle_eh,
3719         rest_of_handle_jump2, rest_of_handle_postreload,
3720         rest_of_handle_flow2, rest_of_clean_state,
3721         rest_of_handle_shorten_branches,
3722         rest_of_handle_prologue_epilogue,
3723         rest_of_handle_branch_target_load_optimize): New.
3724         (rest_of_compilation): Call the above.  Remove ggc_collect
3725         calls moved to rest_of_handle_*.
3726         * rtl.h (optimize_save_area_alloca): Do not accept parameters.
3727
3728         * dwarf2out.c (dwarf2out_begin_prologue): Use TREE_NOTHROW.
3729         * except.c (set_nothrow_function_flags): Set TREE_NOTHROW.
3730         * except.h (set_nothrow_function_flags): Update comment.
3731         * function.c (current_function_nothrow): Remove.
3732         * output.h (current_function_nothrow): Remove.
3733         * passes.c (rest_of_compilation): Do not set TREE_NOTHROW.
3734         * config/arm/arm.c (arm_compute_func_type): Use TREE_NOTHROW.
3735
3736 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
3737
3738         PR bootstrap/16326
3739         * reorg.c: Revert 2004-06-30 change.
3740         (find_end_label): If HAVE_epilogue and !HAVE_return,
3741         return 0 instead of creating a label at the end of the insn chain.
3742         (optimize_skip): Account for the failure mode of find_end_label.
3743         (fill_simple_delay_slots): Likewise.
3744         (fill_slots_from_thread): Likewise.
3745         (relax_delay_slots): Likewise.
3746
3747 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
3748
3749         * tree-flow.h (addressable_vars): Declare.
3750         * tree-ssa-alias.c (addressable_vars): Define.
3751         (setup_pointers_and_addressables): Add addressable variables
3752         to addressable_vars.
3753         * tree-ssa-operands.c (get_stmt_operands): Move
3754         handling of ASM_EXPRs ...
3755         (get_asm_expr_operands): ... here.
3756         When the ASM_EXPR clobbers memory, also clobber addressable
3757         variables.
3758         * tree-ssa.c (init_tree_ssa): Initialize addressable_vars.
3759         (delete_tree_ssa): Reset addressable_vars.
3760
3761 2004-07-07  Jan Beulich  <jbeulich@novell.com>
3762             Richard Henderson  <rth@redhat.com>
3763
3764         * varasm.c (assemble_variable): Use assemble_zeros for
3765         zero-initialized variables.
3766         (categorize_decl_for_section): Honor flag_zero_initialized_in_bss
3767         for SECCAT_BSS and SECCAT_TBSS.
3768
3769 2004-07-07  Jan Beulich  <jbeulich@novell.com>
3770
3771         * varasm.c (asm_output_bss): Don't declare unless BSS_SECTION_ASM_OP.
3772
3773         * expmed.c (emit_store_flag): Also special-case double-word
3774         (in-)equality comparison against -1.
3775
3776         * config/i386/i386.c (ix86_gimplify_va_arg): Don't need temporary for
3777         passing arguments the containers for which are registers.
3778
3779         * calls.c (emit_library_call_value_1): Use mode of function parameter
3780         rather than that of argument since constants have none.
3781
3782 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
3783
3784         Introduce H8SX support.
3785         * expr.c (expand_strcpy): Renamed and moved to...
3786         * builtins.c (expand_movstr): ... here.  Tweak.
3787         (expand_builtin_strcpy): Adjust.  Use movstr if len can't be
3788         computed or has side effects.
3789         (expand_builtin_stpcpy): Likewise.  Use strcpy if return value is
3790         unused, or if mempcpy fails.  Adjust the return value in the
3791         latter case.  Use movstr if everything else fails.
3792         * doc/md.texi (movstr): Document.
3793         (movmemM, clrmemM): Fix explanation of memory block operands.
3794         * config/h8300/h8300.md (stpcpy): Renamed to...
3795         (movstr): ... this.  Adjust.
3796         2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
3797         * config/h8300/h8300.md: Rename movstr*, except for movstrict*, to
3798         movmem* and clrstr* to clrmem*.
3799         2004-06-27  Alexandre Oliva  <aoliva@redhat.com>
3800         * config/h8300/h8300.c (h8300_reg_class_from_letter): Map 'D' to
3801         GENERAL_REGS, always.
3802         (h8300_swap_into_er6, h8300_swap_into_er6): Handle the case of
3803         getting the stack pointer as addr.
3804         * config/h8300/h8300.h (PREDICATE_CODES): Remove constant rtxes
3805         from general_operand_dst.
3806         * config/h8300/h8300.md (movmd_internal_normal): New, normal-mode
3807         variant of...
3808         (movmd_internal): ... this.  Add modes to operands.  Disparage `D'
3809         instead of requiring it to match only before reload.
3810         (stpcpy_internal_normal): New, normal-mode variant of...
3811         (stpcpy_internal): ... this.  Add modes to operands.  Disparage
3812         `D' instead of requiring it to match only before reload.
3813         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Add
3814         mode argument.
3815         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Pass it to...
3816         * config/h8300/h8300.c (h8300_legitimate_address_p): Pass it to
3817         h8300_get_index.
3818         * config/h8300/h8300.md (attr type): Add call.
3819         (attr can_delay): If type is call, set it no.
3820         (call, call_value): Set type to call.
3821         2004-06-21  Alexandre Oliva  <aoliva@redhat.com>
3822         * config/h8300/h8300.md (logicalhi3_sn, logicalsi3_sn): New.
3823         2004-06-16  Alexandre Oliva  <aoliva@redhat.com>
3824         * tree.c (get_narrower): Don't narrow integral types into
3825         non-integral types.
3826         * config/h8300/h8300.c (h8300_expand_epilogue): Initialize
3827         frame_size *before* the first use.
3828         * config/h8300/h8300.md (movstrictqi): Reintroduce post-increment
3829         on input.
3830         (peephole2): Don't widen instructions that push SP.  Move
3831         decrement of SP to the end of all stm-generating peepholes.
3832         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
3833         * config/h8300/h8300.md (insv): Prefer to use AND to clear a bitfield
3834         and OR to set it to all ones.
3835         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
3836         * config/h8300/h8300.md (can_delay): Default to "no" for bit branches.
3837         (call, call_value): Set can_delay to "no".
3838         2003-07-22  Richard Sandiford  <rsandifo@redhat.com>
3839         * config/h8300/h8300.md (extzv): Make subreg check more robust.
3840         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
3841         * config/h8300/h8300.md (*brabit): Remove.
3842         * config/h8300/h8300.md (*brabc, *brabs): Remove mode from
3843         zero_extract.  Use bit_memory_operand as the predicate for
3844         operand 1 and 'WU' as the constraint.  Check the difference
3845         between the base length and the final one when deciding which
3846         type of branch to use.
3847         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
3848         * config/h8300/h8300.md (extzv): Remove mode from operands 0 and 1.
3849         Use convert_move to extend the result for TARGET_H8300SX.  Check
3850         for QImode memory references.  Optimize the case where the
3851         destination is a paradoxical subreg.
3852         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
3853         * config/h8300/h8300.md (*movsf_h8sx): Add an r <- G alternative.
3854         * config/h8300/h8300.md (andqi): Remove bclr from h8sx version.
3855         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
3856         * config/h8300/h8300.md: Include mova.md
3857         (length_table): Add mova and mova_zero.
3858         * config/h8300/h8300.c (print_operand): Handle '%o'.  Print a length
3859         after all constant addresses for '%R', '%X', '%T' and '%S'.
3860         (h8300_mova_length): New function.
3861         (h8300_insn_length_from_table): Use it to handle mova and mova_zero.
3862         * config/h8300/t-h8300 (mova.md): Generate from genmova.sh.  Add to
3863         dependencies for s-config, etc.
3864         * config/h8300/gemova.sh: New file.
3865         * config/h8300/mova.md: Generated.
3866         2003-07-20  Alexandre Oliva  <aoliva@redhat.com>
3867         * config/h8300/h8300.c (h8300_bitfield_length): New.
3868         (nibble_operand): Adjust.
3869         (h8300_binary_length): Handle conditional binary op.
3870         (h8300_insn_length_from_table): Handle bitfield and bitbranch.
3871         * config/h8300/h8300.h: Change constraints W# and Y# to P#>X and
3872         P#<X, respectively.  The original P is now IP4>X.  Introduced P#>0
3873         and P#<0, unused so far.  W and Y are now prefixes to multi-letter
3874         constraints.  WU is introduced as a variant of U that requires a
3875         mem, and is therefore considered an EXTRA_MEMORY_CONSTRAINT.
3876         * config/h8300/h8300.md (attr type): Added bitbranch.
3877         (attr length_table): Added bitfield and bitbranch.
3878         (attr length): Compute bitbranch length.
3879         (andqi): Separate pattern for H8300SX.  Use bfld for loading the
3880         least-significant bit of a byte.
3881         (brabit, brabc, brabs): New.
3882         (insv, extzv): Emit bfst and bfld on H8300SX.
3883         (bfld, bfst, seq, sne): New.
3884         (bstzhireg, cmpstz, bstz, bistz): New.
3885         (cmpcondbset, condbset, cmpcondbclr, condbclr): New.
3886         (cmpcondbsetreg, condbsetreg, cmpcondbclrreg, condbclrreg): New.
3887         2003-07-11  Richard Sandiford  <rsandifo@redhat.com>
3888         * config/h8300/h8300.c (h8sx_binary_memory_operator): New function.
3889         (h8sx_unary_memory_operator): New function.
3890         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Disable.
3891         (PREDICATE_CODES): Add h8sx_{unary,binary}_memory_operator.
3892         * config/h8300/h8300.md: Add peepholes to combine reloads and
3893         arithmetic insns.
3894         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
3895         * config/h8300/h830.md (cmpqi): Use 'i' rather than 'n' in constraints.
3896         (*cmphi_h8300hs, *addqi3, *addhi3_h8sx, subhi3): Likewise.
3897         (and?i, ior?i, xor?i): Likewise.
3898         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
3899         * config/h8300/h8300.c: Move enums and prototypes to head of file.
3900         Various whitespace fixes.
3901         (h8300_constant_length): New function, split out from...
3902         (h8300_displacement_size): ...here.  Rename h8300_displacement_length.
3903         (h8300_classify_operand): Use IN_RANGE.
3904         (h8300_classify_operand): Use h8300_constant_length.
3905         (h8300_short_move_mem_p): Tighten size check.
3906         (h8sx_mergeable_memrefs_p): Tighten equality check.
3907         2003-06-30  Richard Sandiford  <rsandifo@redhat.com>
3908         * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Define __H8300SX__
3909         for -msx.
3910         * config/h8300/crti.asm: Use .h8300sx or .h8300sxn for -msx code.
3911         * config/h8300/crtn.asm: Likewise.
3912         * config/h8300/lib1funcs.asm: Likewise.  Use 32-bit pointers
3913         if __H8300SX__ is defined.
3914         2003-06-27  Richard Sandiford  <rsandifo@redhat.com>
3915         * config/h8300/h8300-protos.h (h8300_get_index): Add mode parameter.
3916         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Update accordingly.
3917         (GO_IF_MODE_DEPENDENT_ADDRESS): Treat POST_DEC, PRE_INC and indexed
3918         addresses as mode-dependent.
3919         * config/h8300/h8300.c (print_operand_address): Update call to
3920         h8300_get_index.
3921         (h8300_get_index): Take a mode argument.  Rework to fix an
3922         earlier misunderstanding.
3923         2003-06-26  Richard Sandiford  <rsandifo@redhat.com>
3924         * config/h8300/h8300.c (zero_extendqisi2): Force the source operand
3925         into a register if TARGET_H8300SX.
3926         (*zero_extendqisi2_h8300hs, *extendqisi2_h8300): Disable for
3927         TARGET_H8300SX.  Also disable related define_splits.
3928         (*zero_extendqisi2_h8sx, *extendqisi2_h8sx): New patterns.
3929         2003-06-23  Richard Sandiford  <rsandifo@redhat.com>
3930         * config/h8300/h8300.c (h8300_rtx_costs): Add h8sx handling.
3931         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
3932         * config/h8300/h8300.h (OK_FOR_Z): New macro.
3933         (EXTRA_CONSTRAINT_STR): Check it.
3934         * config/h8300/h8300.c (h8300_classify_operand): Accept null
3935         class arguments.
3936         (h8300_insn_length_from_table): Handle LENGTH_TABLE_MOV_IMM4.
3937         * config/h8300/h8300.md (length_table): Add mov_imm4.
3938         (movqi, movhi): Add Z <- W4 alternatives to h8sx patterns.
3939         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
3940         * genattrtab.c (write_eligible_delay): Allow candidate_insn to
3941         be a label.
3942         * config/h8300/h8300.h (DELAY_SLOT_LENGTH): New macro.
3943         * config/h8300/h8300.c (h8300_reorg): New function.
3944         (TARGET_MACHINE_DEPENDENT_REORG): Define.
3945         * config/h8300/h8300.md (length): Subtract the length of the
3946         delay slot from (pc) when checking the range of forward branches.
3947         (delay_slot, can_delay): New attributes.
3948         (define_delay): Add bra/s handling.
3949         (movmd_internal, return_h8sx, *return_1): Set can_delay to no.
3950         (jump): Add delayed-branch handling.
3951         2003-06-17  Richard Sandiford  <rsandifo@redhat.com>
3952         * expr.c (expand_strcpy): New function.
3953         * builtins.c (expand_builtin_strcpy): Fall back on expand_strcpy.
3954         (expand_builtin_stpcpy): Likewise.
3955         * config/h8300/h8300-protos.h (h8sx_split_movmd): Remove.
3956         (h8300_swap_into_er6, h8300_swap_out_of_er6): Declare.
3957         * config/h8300/h8300.c (h8300_reg_class_from_letter): Tweak 'd'
3958         handling to improve register allocation for -fno-omit-frame-pointer.
3959         (h8sx_split_movmd): Delete, moving er6 handling into...
3960         (h8300_swap_into_er6, h8300_swap_out_of_er6): ...these new functions.
3961         * config/h8300/h8300.md (UNSPEC_STPCPY): New unspec constant.
3962         (movmd): Add calls to copy_rtx.
3963         (movmd_internal): In the second alternative, allow the initial and
3964         final destination registers to be different .  Update the splitter
3965         accordingly.  Call h8300_swap_into_er6 and h8300_swap_out_of_er6
3966         instead of h8sx_split_movmd.
3967         (stpcpy, movsd): New expanders.
3968         (movsd_internal): New define_insn.
3969         2003-06-13  Richard Sandiford  <rsandifo@redhat.com>
3970         * config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Declare.
3971         (h8sx_emit_movmd, h8sx_split_movmd): Declare.
3972         * config/h8300/h8300.h (reg_class): Add COUNTER_REGS, SOURCE_REGS
3973         and DESTINATION_REGS.
3974         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
3975         (REGNO_REG_CLASS): Map er4, er5 and er6 to the new classes.
3976         (REG_CLASS_FROM_LETTER): Use h8300_reg_class_from_letter.
3977         (h8300_move_ratio): Declare.
3978         (MOVE_RATIO): Use it.
3979         * config/h8300/h8300.c (h8300_move_ratio): New variable.
3980         (h8300_init_once): Initialize it.
3981         (h8300_reg_class_from_letter): New function.
3982         (print_operand): Add an 'm' prefix for printing ".b", ".w" or ".l".
3983         (h8sx_emit_movmd, h8sx_split_movmd): New functions.
3984         * config/h8300/h8300.md (UNSPEC_MOVMD): New unspec constant.
3985         (COUNTER_REG, SOURCE_REG, DESTINATION_REG): New register constants.
3986         (movstrsi, movmd): New expanders.
3987         (movmd_internal): New insn.
3988         2003-06-06  Richard Sandiford  <rsandifo@redhat.com>
3989         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Define.
3990         2003-06-04  Richard Sandiford  <rsandifo@redhat.com>
3991         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxnelf for -msx -mn.
3992         * config/h8300/h8300.c (asm_file_start): Use .h8300sxn likewise.
3993         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
3994         * config/h8300/h8300.c (nibble_operand): Fix warning.
3995         * config/h8300/h8300.md (movstricthi): Set adjust_length to no.
3996         (movsi_h8sx): Likewise here and the normal h8sx movhi pattern.
3997         (movsf_h8300h): Disable for TARGET_H8300SX.
3998         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
3999         * config/h8300/h8300.h (PREDICATE_CODES): Add h8300_ldm_parallel,
4000         h8300_stm_parallel and h8300_return_parallel.
4001         * config/h8300/h8300.c (h8300_push_pop, h8300_stack_offset_p,
4002         h8300_ldm_stm_regno, h8300_ldm_stm_parallel, h8300_ldm_parallel,
4003         h8300_stm_parallel, h8300_return_parallel): New functions.
4004         (h8300_expand_prologue): Don't enforce ldm/stm register alignment
4005         if TARGET_H8300SX.  Use h8300_push_pop.
4006         (h8300_expand_epilogue): Likewise.  Try to merge the return insn
4007         and final pop when generating h8sx code.  Always emit some form
4008         of return insn.
4009         * config/h8300/h8300.md: Don't enforce register alignment in
4010         stm peepholes if TARGET_H8300SX.
4011         (ldm_h8300s, stm_h8300s, return_h8sx): New patterns.
4012         (ldm_h8300s_[234], stm_h8300_[234]): Disable.
4013         (epilogue): Expect h8300_expand_epilogue to emit a return insn.
4014         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
4015         * config/h8300/t-h8300 (MULTILIB_OPTIONS): Add a -msx multilib.
4016         (MULTILIB_DIRNAMES): Add a directory for it.
4017         (MULTILIB_MATCHES): Delete.
4018         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
4019         * final.c (walk_alter_subreg): Handle addresses with subregs
4020         inside a ZERO_EXTEND or AND.
4021         * config/h8300/h8300-protos.h (h8300_get_index): Declare.
4022         * config/h8300/h8300.h (INDEX_REG_CLASS): Set to GENERAL_REGS
4023         if TARGET_H8300SX.
4024         (GO_IF_LEGITIMATE_ADDRESS): Use h8300_get_index.
4025         * config/h8300/h8300.c (print_operand_address): Handle @(dd,RnL.b),
4026         @(dd,Rn.w) and @(dd,ERn.L).
4027         (h8300_displacement_size): Take the whole address as argument.
4028         (h8300_classify_operand, h8300_short_move_mem_p): Adjust accordingly.
4029         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
4030         * config/mips/mips-protos.h (h8300_operands_match_p): Declare.
4031         (h8sx_mergeable_memrefs_p): Declare.
4032         * config/h8300/h8300.h (HAVE_POST_DECREMENT): Define to TARGET_H8300SX.
4033         (HAVE_PRE_INCREMENT): Likewise.
4034         (GO_IF_LEGITIMATE_ADDRESS): Accept pre/post increment/decrement
4035         addresses for TARGET_H8300SX,
4036         * config/h8300/h8300.c (print_operand_address): Deal with PRE_INC
4037         and POST_DEC.
4038         (movb_length_table, movl_length_table): New tables.
4039         (movw_length_table): Define to movb_length_table.
4040         (h8300_displacement_size): New, split out from...
4041         (h8300_classify_address): ...here.  Handle pre/post inc/dec.
4042         (h8300_short_immediate_length): Allow H8OP_MEM_COMPLEX operands.
4043         (h8300_insn_length_from_table): Add cases for movb, movw and movl.
4044         (h8sx_mergeable_memrefs_p, h8300_operands_match_p): New functions.
4045         (output_plussi): Use add.l #xx:3,Rn and sub.l #xx:3,Rn for h8sx.
4046         (compute_plussi_length, compute_plussi_cc): Update accordingly.
4047         (h8sx_unary_shift_operator): Get the mode from the operator.
4048         (binary_shift_operator): Likewise.
4049         * config/h8300/h8300.md: If a peephole2 applies gen_lowpart to
4050         a memory reference, check whether the reference is offsettable.
4051         (length_table): Add movb, movw and movl.
4052         (movqi): Add new h8sx pattern.  Don't force one operand to be a
4053         register when generating h8sx code.
4054         (movhi, movsi, movsf): Likewise.
4055         (movstrictqi): Use the length_table attribute.
4056         (movstricthi): Likewise.  Add h8sx alternative for mov.w #xx:3,Rn.
4057         (addqi3): Split into a define_expand and define_insn.  Don't accept
4058         memory operands in the expander.  Use h8300_operands_match_p to
4059         check for matching operands in the define_insn.
4060         (subqi3, negqi2, one_cmplqi2): Likewise.
4061         (add[hs]i3): Don't accept memory operands in the expander.  Likewise
4062         in any patterns that are unused in h8sx code.  In the h8sx patterns,
4063         use h8300_operands_match_p to check whether operands match.
4064         (sub[hs]i3, and[hi]3, ior[hs]i3, xor[hs]i3, neg[hsi]3,
4065         one_cmpl[hs]i3): Likewise.
4066         (andqi3, iorqi3, xorqi3): Likewise.  Don't call fix_bit_operand
4067         in the expander.
4068         2003-05-23  Richard Sandiford  <rsandifo@redhat.com>
4069         * config/h8300/h8300-protos.h (expand_a_shift): Return a bool.
4070         (h8300_insn_length_from_table): Add a second parameter.
4071         (output_h8sx_shift): Declare.
4072         * config/h8300/h8300.h (OK_FOR_W, OK_FOR_Y): New macros.
4073         (EXTRA_CONSTRAINT): Replace with...
4074         (EXTRA_CONSTRAINT_STR): ...this.  Use OK_FOR_W and OK_FOR_Y.
4075         (CONSTRAINT_LEN): Define, returning 2 for 'W' and 'Y'.
4076         (PREDICATE_CODES): Add entries for h8sx_unary_shift_operator
4077         and h8sx_binary_shift_operator.
4078         * config/h8300/h8300.c (two_insn_adds_subs_operand): Return false
4079         for TARGET_H8300SX.
4080         (bit_operand): Replace use of EXTRA_CONSTRAINT with OK_FOR_U.
4081         (bit_memory_operand, fix_bit_operand): Likewise.
4082         (h8300_length_table_for_insn): Remove.
4083         (h8300_classify_operand): Fix check for 16-bit operands in 32-bit
4084         instructions.
4085         (h8300_short_immediate_length, h8300_binary_length): New functions.
4086         (h8300_insn_length_from_table): Add an opcodes parameter.  Rework.
4087         (output_plussi): Use sub to add negative constants.
4088         (compute_plussi_length): Adjust accordingly.
4089         (h8sx_single_shift_type): New enum.
4090         (h8sx_single_shift, h8sx_unary_shift_operator,
4091         h8sx_binary_shift_operator, output_h8sx_shift): New functions.
4092         (expand_a_shift, expand_a_rotate): Emit nothing if the shift is a
4093         single h8sx instruction.  Return false in this case.
4094         * config/h8300/h8300.md (length_table): Add short_immediate.
4095         (length): Pass the operand array to h8300_insn_length_from_table.
4096         (adjust_length): Assume "no" for insns with a length_table attribute.
4097         (*cmphi_h8300hs, cmpsi): Add alternatives for #xx:3.
4098         (*addhi3_h8300hs): Don't use for h8sx.
4099         (*addhi3_h8sx): New pattern, with alternatives for add.w #xx:3
4100         and sub.w #xx:3.
4101         (ashl[qhs]i3, lshr[qhs]i3, ashr[qhs]i3, rotl[qhs]i3): Change operand
4102         1's predicate to nonimmediate_operand.  Only skip default expansion
4103         if expand_a_shift or expand_a_rotate returns true.  Add new patterns
4104         for single h8sx shift instructions.
4105         2003-05-22  Alexandre Oliva  <aoliva@redhat.com>
4106         * config/h8300/h8300.c (nibble_operand): Split out of...
4107         (reg_or_nibble_operand): ... this.
4108         * config/h8300/h8300.h (PREDICATE_CODES): Added nibble_operand.
4109         * config/h8300/h8300.md: (mulqihi3, mulhisi3, umulqihi3,
4110         umulhisi3): Introduce expand, and introduce separate insns for
4111         sign- or zero-extended REG and already-extended CONST_INT.
4112         2003-05-20  Richard Sandiford  <rsandifo@redhat.com>
4113         * config/h8300/h8300.c (h8300_unary_length): Fix miscounting.
4114         * config/h8300/h8300.md (subqi3): Generalize for h8sx.
4115         (subhi3): Likewise.  Don't accept immediates for operand 1.
4116         Remove the early clobber from second alternative of the h8300s pattern.
4117         (subsi3): Generalize for h8sx.  Force operand 2 into a register
4118         on plain h8300 targets.
4119         (subsi3_h8300): Use h8300_dst_operand for consistency with expander.
4120         (subsi3_h8300h): Generalize for h8sx.
4121         (one_cmplqi2, one_cmplhi2, one_cmplsi2): Likewise.
4122         2003-05-19  Alexandre Oliva  <aoliva@redhat.com>
4123         * config/h8300/h8300.c (reg_or_nibble_operand): New.
4124         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
4125         (TARGET_H8300SXMUL): New.
4126         (CONST_OK_FOR_P): New.
4127         (CONST_OK_FOR_LETTER_P): Adjust.
4128         * config/h8300/h8300.md (mulqihi3, mulhisi3, umulqihi3,
4129         umulhisi3): Accept 4-bit immediate on H8SX.
4130         (mulhi3, mulsi3, smulsi3_highpart, umulsi3_highpart): New.
4131         (udivsi3, divhi3, udivsi3, divsi3): New.
4132         2003-05-19  Richard Sandiford  <rsandifo@redhat.com>
4133         * config/h8300/h8300-protos.h (h8300_insn_length_from_table): Declare.
4134         * config/h8300/h8300.h (OK_FOR_Q): New macro.
4135         (EXTRA_CONSTRAINT): Use it to check the 'Q' constraint.
4136         (PREDICATE_CODES): Add h8300_src_operand and h8300_dst_operand.
4137         Add ADDRESSOF to the bit_operand entry.
4138         * config/h8300/h8300.c (h8300_dst_operand): New predicate.
4139         (h8300_src_operand): Likewise.
4140         (bit_operand): Check nonimmediate_operand rather than general_operand.
4141         Accept any nonimmediate_operand in h8sx code.
4142         (h8300_and_costs): Initialize operands[1].
4143         (h8300_rtx_costs) <AND>: Return false if the operands aren't valid.
4144         (h8300_operand_class): New enum.
4145         (h8300_length_table): New typedef.
4146         (addb_length_table, addw_length_table, addl_length_table,
4147         logicl_length_table): New tables.
4148         (logicb_length_table, logicw_length_table): New macros.
4149         (h8300_classify_operand, h8300_length_from_table,
4150         h8300_length_table_for_insn, h8300_unary_length,
4151         h8300_insn_length_from_table): New functions.
4152         (output_plussi): Only use adds and subs for register destinations.
4153         Disable redundant clause.
4154         (compute_plussi_cc): Likewise.
4155         (compute_plussi_length): Likewise.  Use h8300_length_from_table
4156         to work out the length of an insn.
4157         (output_logical_op): Only use narrower immediate instructions
4158         if the destination is a register.
4159         (compute_logical_op_cc): Likewise.
4160         (compute_logical_op_length): Likewise.  Use h8300_length_from_table.
4161         (h8300_adjust_insn_length): Tighten check for reg<->mem moves.
4162         * config/h8300/h8300.md (length_table): New attribute.
4163         (length): When an instruction has a length_table attribute, use
4164         h8300_insn_length_from_table to calculate its default length.
4165         (cmpqi): Use h8300_dst_operand for the first operand and
4166         h8300_src_operand for the second.
4167         (cmphi, *cmphi_h8300hs, cmpsi, negqi2, neghi2, neghi2_h8300h, negsi2,
4168         negsi2_h8300h, addqi3, addhi3, *addhi3_h8300, *addhi3_h8300hs, addsi3,
4169         addsi_h8300, addsi_h8300h, andhi3, andsi3, iorhi3,
4170         iorsi3, xorhi3, xorsi3): Likewise.
4171         (andqi3): Use h8300_src_operand for operand 2.  Adjust the condition
4172         so that it allows any combination of operands for TARGET_H8300SX.
4173         (iorqi3, xorqi3): Likewise.
4174         (cmpqi): Use the length_table attribute.
4175         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, andqi3, iorqi3,
4176         xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
4177         (cmpqi): Add 'Q' constraint.
4178         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, addsi_h8300h, andqi3,
4179         iorqi3, xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
4180         2003-05-14  Richard Sandiford  <rsandifo@redhat.com>
4181         * config/h8300/h8300.h (MASK_H8300SX): New macro.
4182         (TARGET_H8300S): True for both -ms and -msx.
4183         (TARGET_H8300SX): New macro.
4184         (TARGET_SWITCHES): Add entries for -msx and -mno-sx.
4185         * config/h8300/h8300.c (asm_file_start): Write .h8300sx for -msx.
4186         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxelf for -msx.
4187         * config/h8300/t-h8300 (MULTILIB_MATCHES): Use -ms multilibs for -msx.
4188         [Temporary change.]
4189         2003-02-28  Alexandre Oliva  <aoliva@redhat.com>
4190         * config/h8300/h8300.h (SIZE_TYPE, PTRDIFF_TYPE): Use short with
4191         16-bit pointers and 32-bit ints.
4192         * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Accept
4193         CONST_DOUBLE with mode no wider than SImode.
4194         * config/h8300/h8300.md (extendqisi2_h8300): Add constraints for
4195         output operand.
4196         2003-02-27  Alexandre Oliva  <aoliva@redhat.com>
4197         * config/h8300/h8300.c (general_operand_src): Match CONSTANT_P_RTX
4198         or SUBREG thereof.
4199         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
4200         2003-02-22  Alexandre Oliva  <aoliva@redhat.com>
4201         * config/h8300/h8300.c (dosize): Truncate sign * size to Pmode.
4202
4203 2004-05-28  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
4204
4205         * config.gcc (i[34567]86-*-mingw32*): Enable threads by default.
4206
4207 2004-07-07  Per Bothner  <per@bothner.com>
4208
4209         * flow.c (attempt_auto_inc):  Remove now-redundant PUT_CODE.
4210
4211 2004-07-07  Mike Stump  <mrs@apple.com>
4212
4213         * darwin.h (ASM_OUTPUT_LABELREF): Fix -fno-leading-underscore.
4214         * darwin.c (machopic_non_lazy_ptr_name, machopic_stub_name)
4215         (machopic_finish): Likewise.
4216
4217 2004-07-07  Richard Henderson  <rth@redhat.com>
4218
4219         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Look
4220         through any value-preserving cast.
4221
4222 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
4223
4224         * function.c (assign_parm_find_data_types): Call
4225         FUNCTION_ARG_PASS_BY_REFERENCE only if it's defined.
4226
4227 2004-07-07  Steven Bosscher  <stevenb@suse.de>
4228
4229         * tree-cfg.c (group_case_labels): Remove case labels that have
4230         the same target as the default case.
4231
4232 2004-07-07  Steven Bosscher  <stevenb@suse.de>
4233
4234         * tree-inline.c (optimize_inline_calls): Set DECL_INLINED_FNS
4235         regardless of DECL_LANG_SPECIFIC being present or not.
4236         * tree.h (DECL_NUM_STMTS): Purge.
4237
4238 2004-07-07  Andrew Pinski  <apinski@apple.com>
4239
4240         * configure: Regenerate with the right autoconf.
4241
4242 2004-07-07  David Edelsohn  <edelsohn@gnu.org>
4243
4244         * ifcvt.c (total_bb_rtx_cost): New function.
4245         (find_if_case_1): Compare rtx_cost of basic block to cost of
4246         BRANCH_COST insns.
4247         (find_if_case_2): Same.
4248
4249 2004-07-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
4250
4251         PR target/10567
4252         * config/sparc/sparc.c (load_pic_register): Honor flag_delayed_branch.
4253         (output_return): Likewise.
4254         (output_sibcall): Abort if !flag_delayed_branch.
4255         (sparc_function_ok_for_sibcall): Return 0 if !flag_delayed_branch.
4256         (emit_and_preserve): New function.
4257         (sparc_output_mi_thunk): Use it.  Honor flag_delayed_branch.  Emit an
4258         indirect jump to the thunked-to function if !flag_delayed_branch.
4259         * config/sparc/sparc.md (delayed_branch): New attribute.
4260         (load_pcrel_sym): Honor flag_delayed_branch.  Use above
4261         attribute to compute the length of the insn.
4262         (goto_handler_and_restore): Likewise.
4263
4264 2004-07-07  Andrew Pinski  <apinski@apple.com>
4265
4266         PR tree-optimization/15777
4267         * fold-const.c (fold_single_bit_test): Fold the x^1 expression.
4268
4269         * expr.c (expand_expr_real_1): Fix formating.
4270         BUFFER_REF and IN_EXPR are dead.
4271         * fold-const.c (non_lvalue): BUFFER_REF is dead.
4272         * tree-inline.c (estimate_num_insns_1): Likewise.
4273         * tree-pretty-print.c (dump_generic_node): BUFFER_REF,
4274         IN_EXPR, SET_LE_EXPR, and CARD_EXPR are dead.
4275         * tree.def (BUFFER_REF, IN_EXPR, SET_LE_EXPR, CARD_EXPR): Kill.
4276
4277 2004-07-07  H.J. Lu  <hongjiu.lu@intel.com>
4278
4279         * collect2.c (dump_file): Don't call cplus_demangle if
4280         HAVE_LD_DEMANGLE is defined.
4281         (main): Pass "--demangle" to ld if no_demangle is not 0 and
4282         HAVE_LD_DEMANGLE is defined. Don't set current_demangling_style
4283         if HAVE_LD_DEMANGLE is defined.
4284
4285         * configure.ac (--with-demangler-in-ld): Added
4286         (HAVE_LD_DEMANGLE): Define if ld supports --demangle when
4287         --with-demangler-in-ld is used.
4288         * config.in: Regenerated.
4289         * configure: Likewise.
4290
4291 2004-07-07  Roger Sayle  <roger@eyesopen.com>
4292
4293         * config/rs6000/rs6000.c (struct processor_costs): Add new fields
4294         for simple floating point operations "fp", double precision
4295         multiplication "dmul", and single and double precision division
4296         "sdiv" and "ddiv".  Update all CPU variant tables as appropriate.
4297         (ppc630_cost): New table split from ppc620_cost, to distinguish
4298         differences in floating point latencies.
4299         (rs6000_override_options): Use ppc630_cost for PROCESSOR_PPC630.
4300         (rs6000_rtx_costs): Add support for single and double precision
4301         floating point addition, subtraction, multiplication, division,
4302         fused-multiply-add, fused-multiply-sub, negation, absolute value
4303         and negative absolute value.  Tweak MEM case to use prefered idiom.
4304
4305 2004-07-07  Richard Henderson  <rth@redhat.com>
4306
4307         * tree-flow-inline.h (may_propagate_copy): Move...
4308         * tree-ssa-copy.c (may_propagate_copy): ... here.  Fail if we
4309         attempt to copy between types requiring conversion.
4310         * tree-flow.h (may_propagate_copy): Update decl.
4311         * tree-ssa-dom.c (cprop_operand): Tidy redundant tests.
4312
4313 2004-07-07  Jakub Jelinek  <jakub@redhat.com>
4314
4315         * config/i386/i386.c (override_options): Don't set x86_prefetch_sse
4316         from -mtune= option.
4317
4318 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
4319
4320         * builtins.c: Rename movstr*, except for movstrict*, to
4321         movmem* and clrstr* to clrmem*.
4322         * expr.c: Likewise.
4323         * expr.h: Likewise.
4324         * genopinit.c: Likewise.
4325         * integrate.c: Likewise.
4326         * local-alloc.c: Likewise.
4327         * optabs.c: Likewise.
4328         * optabs.h: Likewise.
4329         * config/alpha/alpha.h: Likewise.
4330         * config/alpha/alpha.md: Likewise.
4331         * config/arm/arm-protos.h: Likewise.
4332         * config/arm/arm.c: Likewise.
4333         * config/arm/arm.md: Likewise.
4334         * config/avr/avr.md: Likewise.
4335         * config/c4x/c4x.c: Likewise.
4336         * config/c4x/c4x.md: Likewise.
4337         * config/frv/frv.md: Likewise.
4338         * config/i386/i386-protos.h: Likewise.
4339         * config/i386/i386.c: Likewise.
4340         * config/i386/i386.h: Likewise.
4341         * config/i386/i386.md: Likewise.
4342         * config/i860/i860.c: Likewise.
4343         * config/i860/i860.md: Likewise.
4344         * config/ip2k/ip2k.md: Likewise.
4345         * config/ip2k/libgcc.S: Likewise.
4346         * config/ip2k/t-ip2k: Likewise.
4347         * config/m32r/m32r.c: Likewise.
4348         * config/m32r/m32r.md: Likewise.
4349         * config/mcore/mcore.md: Likewise.
4350         * config/mips/mips.c: Likewise.
4351         * config/mips/mips.md: Likewise.
4352         * config/ns32k/ns32k.c: Likewise.
4353         * config/ns32k/ns32k.h: Likewise.
4354         * config/ns32k/ns32k.md: Likewise.
4355         * config/pa/pa.c: Likewise.
4356         * config/pa/pa.md: Likewise.
4357         * config/pdp11/pdp11.h: Likewise.
4358         * config/pdp11/pdp11.md: Likewise.
4359         * config/rs6000/rs6000.c: Likewise.
4360         * config/rs6000/rs6000.md: Likewise.
4361         * config/s390/s390-protos.h: Likewise.
4362         * config/s390/s390.c: Likewise.
4363         * config/s390/s390.md: Likewise.
4364         * config/sh/lib1funcs.asm: Likewise.
4365         * config/sh/sh.c: Likewise.
4366         * config/sh/sh.md: Likewise.
4367         * config/sh/t-sh: Likewise.
4368         * config/sparc/sparc.h: Likewise.
4369         * config/vax/vax.md: Likewise.
4370         * config/xtensa/xtensa.c: Likewise.
4371         * config/xtensa/xtensa.md: Likewise.
4372         * doc/invoke.texi: Likewise.
4373         * doc/md.texi: Likewise.
4374         * doc/rtl.texi: Likewise.
4375
4376 2004-07-07  Richard Sandiford  <rsandifo@redhat.com>
4377
4378         PR target/16407
4379         * config/mips/mips-protos.h (mips_declare_common_object): Declare.
4380         * config/mips/mips.c (mips_declare_common_object): New function,
4381         mostly split out from...
4382         (mips_output_aligned_decl_common): ...here.
4383         * config/mips/mips.h (ASM_OUTPUT_LOCAL): Remove in favor of...
4384         (ASM_OUTPUT_ALIGNED_LOCAL): ...this new definition.
4385         * config/mips/iris6.h (ASM_OUTPUT_ALIGNED_LOCAL): Undefine this
4386         rather than ASM_OUTPUT_LOCAL.  Call mips_declare_common_object.
4387
4388 2004-07-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4389
4390         PR c/16392
4391         * function.c (assign_parms): Fix typo from previous change.
4392
4393 2004-07-07  Jason Merrill  <jason@redhat.com>
4394
4395         PR c++/15815
4396         * doc/extend.texi (C++ Interface): Correct information and
4397         discourage use.
4398
4399 2004-07-07  Vladimir Makarov  <vmakarov@redhat.com>
4400
4401         PR target/16130
4402         PR target/16142
4403         PR target/16143
4404         * config/ia64/ia64.c (ia64_dfa_new_cycle): Reset DFA state for asm
4405         insn.
4406
4407 2004-07-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
4408
4409         PR target/1679.
4410         * config/m32r/m32r.c (m32r_function_symbol): New function:
4411         Generate a symbol name RTX with the correct m32r specific flags
4412         set.
4413         (block_move_call): Use new function to generate correct symbol.
4414         * config/m32r/m32r-protos.h: Add prototype for new funcion.
4415         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Use the new
4416         function.
4417
4418 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
4419
4420         * tree.h (TYPE_BINFO_OFFSET, TYPE_BINFO_VTABLE,
4421         TYPE_BINFO_VIRTUALS, TYPE_BINFO_BASETYPES,
4422         TYPE_BINFO_BASETYPE): Remove.
4423         (BINFO_BASETYPES, BINFO_N_BASETYPES, BINFO_BASETYPE): Rename
4424         to ...
4425         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): ...
4426         here.
4427         (BINFO_BASEACCESSES, BINFO_BASEACCESS): Rename to ...
4428         (BINFO_BASE_ACCESSES, BINFO_BASE_ACCESS): ... here.
4429         (BINFO_INHERITANCE_CHAIN): Redocument as it is actually used.
4430         (struct tree_binfo): Rename base_types to base_binfos.
4431         * alias.c (record_component_aliases): Adjust BINFO macros.
4432         * dbxout.c (dbxout_type): Likewise.
4433         * dwarf2out.c (gen_member_die): Likewise.
4434         * sdbout.c (sdbout_one_type): Likewise.
4435         * tree-dump.c (deque_and_dump): Likewise.
4436         * config/i386/i386.c (classify_argument,
4437         contains_128bit_aligned_vector_p): Likewise.
4438
4439 2004-07-07  Nick Clifton  <nickc@redhat.com>
4440
4441         * config/fr30/fr30.c (fr30_setup_incoming_varargs): Change
4442         arguments to match TARGET_SETUP_INCOMING_VARARGS prototype.
4443
4444 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
4445
4446         * vec.h: Fix the example use.
4447
4448 2004-07-06  Richard Henderson  <rth@redhat.com>
4449
4450         * langhooks-def.h (LANG_HOOKS_GIMPLE_BEFORE_INLINING): Remove.
4451         * langhooks.h (struct lang_hooks): Remove gimple_before_inlining.
4452         * tree-inline.c (copy_body_r, setup_one_parameter,
4453         initialize_inlined_parameters, expand_call_inline,
4454         declare_inline_vars): Don't check it.
4455         (expand_calls_inline): Remove old version, rename new version
4456         from gimple_expand_calls_inline.
4457         * tree-optimize.c (execute_gimple): Remove.
4458         (pass_gimple): Don't run anything.
4459
4460 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
4461
4462         * doc/sourcebuild.texi: Use semicolons instead of commas in
4463         section title.
4464
4465 2004-07-06  Richard Henderson  <rth@redhat.com>
4466
4467         * tree-sra.c (struct sra_walk_fns): Revert 2004-07-05 change.
4468         (sra_walk_modify_expr, scan_init): Likewise.
4469         (generate_element_zero): Check visited before scanning children.
4470         (generate_element_init): Set visited on error.
4471         (scalarize_init): Handle generate_element_init failure similar
4472         to use_block_copy.
4473
4474 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
4475
4476         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Define.
4477         (warning, error, pedwarn, sorry): Use ATTRIBUTE_GCC_FE_DIAG.
4478
4479 2004-07-06  Richard Henderson  <rth@redhat.com>
4480
4481         * config/i386/i386.c (legitimize_pic_address): Make static.
4482         (legitimize_address): Handle CONST with TLS operand.
4483         (ix86_expand_move): Don't call legitimize_pic_address directly.
4484         * config/i386/i386-protos.h (legitimize_pic_address): Remove.
4485
4486 2004-07-06  Roger Sayle  <roger@eyesopen.com>
4487
4488         * ifcvt.c (struct noce_if_info): Add a Boolean b_unconditional field.
4489         (noce_try_sign_mask): Tweak rtx_cost check if t is evaluated anyway.
4490         (noce_process_if_block): Initialize if_info.b_unconditional if insn_b
4491         is currently executed unconditionally, i.e. not in "else_bb".
4492
4493 2004-07-06  Steven Bosscher  <stevenb@suse.de>
4494
4495         * config/alpha/alpha.c (alpha_use_dfa_pipeline_interface): Remove.
4496         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
4497         * config/arm/arm.c (arm_use_dfa_pipeline_interface): Remove.
4498         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
4499         * config/frv/frv.c (frv_use_dfa_pipeline_interface): Remove.
4500         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
4501         * config/i386/i386.c (ia32_use_dfa_pipeline_interface): Remove.
4502         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
4503         * config/ia64/ia64.c (ia64_use_dfa_pipeline_interface): Remove.
4504         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
4505         * config/pa/pa.c (hhpa_use_dfa_pipeline_interface): Remove.
4506         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
4507         * config/sparc/sparc.c (sparc_use_dfa_pipeline_interface): Remove.
4508         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
4509         * config/v850/v850.c (v850_use_dfa_pipeline_interface): Remove.
4510         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
4511
4512 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
4513
4514         * dojump.c (do_jump): REFERENCE_EXPR is dead.
4515         * expr.c (expand_expr_real_1): Ditto.
4516         * tree-inline.c (estimate_num_insns_1): Ditto.
4517         * tree-pretty-print.c (dump_generic_node): Ditto.
4518         (op_symbol): Ditto.
4519         * tree.def: Ditto.
4520
4521 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
4522
4523         * tree-ssa-pre.c (reference_node_pool): New pool.
4524         (find_or_generate_expression): Class 'r' is okay too.
4525         (create_value_expr_from): Ditto.
4526         (add_to_sets): LHS should not include vuses.
4527         (eliminate): Ditto.
4528         (compute_avail): Reverse ordering of tests.
4529         Valuize INDIRECT_REF as well.
4530
4531 2004-07-06  Richard Sandiford  <rsandifo@redhat.com>
4532
4533         PR rtl-optimization/16380
4534         * loop.c (check_dbra_loop): Sink comparison instructions if they
4535         do something other than set cc0.
4536
4537 2004-07-06  James E Wilson  <wilson@specifixinc.com>
4538
4539         * doc/interface.texi (longjmp and automatic variables): Delete
4540         paragraph recommending taking the address of a variable.
4541
4542 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
4543
4544         * vec.h (VEC_embedded_alloc): Remove.
4545         (VEC_embedded_size, VEC_embedded_init): New.
4546         (VEC_alloc, VEC_reserve, VEC_safe_push, VEC_safe_insert): Add
4547         MEM_STAT_INFO.
4548         (VEC_truncate): New.
4549         (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL.
4550         (vec_embedded_alloc): Remove.
4551         * vec.c (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL, adjust.
4552         (vec_embedded_alloc): Remove.
4553
4554 2004-07-06  Mark Mitchell  <mark@codesourcery.com>
4555
4556         * Makefile.in (langhooks.o): Do not depend on gt-langhooks.h.
4557         (gt-langhooks.h): Remove.
4558
4559 2004-07-06  George Helffrich <george@gly.bris.ac.uk>
4560
4561         * xcoffout.h (DBX_FINISH_SYMBOL): Fix typo.
4562
4563 2004-07-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
4564
4565         * config/sparc/sparc.c (get_pc_symbol): Rename into
4566         add_pc_to_pic_symbol.
4567         (get_pc_symbol_name): Rename into add_pc_to_pic_symbol_name.
4568         (load_pic_register): Account for previous changes.
4569         Use reg_names.  Don't create the label twice.
4570         * config/sparc/sparc.md (UNSPEC_GET_PC): Rename into
4571         UNSPEC_LOAD_PCREL_SYM.
4572         (get_pc): Rename into load_pcrel_sym.  Add predicate to
4573         operands.  Remove condition.
4574
4575 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
4576
4577         * dbxout.c (dbxout_type): Don't test whether the binfo slot of
4578         RECORD, UNION & QUAL_UNION is actually a binfo.
4579
4580         * tree.h (TREE_VIA_VIRTUAL): Rename to ...
4581         (BINFO_VIRTUAL_P): ... here. Require TREE_BINFO only.
4582         (BINFO_MARKED, BINFO_FLAG_[16]): New binfo flags.
4583         * dbxout.c (dbxout_type): Use BINFO_VIRTUAL_P.
4584         * dwarf2out.c (add_data_member_location_attribute): Likewise.
4585         (gen_inheritance_die): Likewise.
4586         * tree-dump.c (deque_and_dump): Likewise.
4587         * doc/c-tree.texi (Binfos): Add under reconstruction note.
4588
4589 2004-07-06  Steven Bosscher  <stevenb@suse.de>
4590
4591         * config/mcore/mcore.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
4592         Define.
4593         * config/mcore/mcore.md: Model memory latency with a simple DFA
4594         pipeline description instead of a define_function_unit.
4595
4596 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4597
4598         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
4599         * langhooks.h (var_mod_type_p): Likewise.
4600         * c-decl.c (finish_decl): Add extra arg to variably_modified_type_p.
4601         * expr.c (count_type_elements): Properly handle return from
4602         array_type_nelts and properly test for overflow.
4603         * gimplify.c (gimplify_init_constructor): Properly handle return
4604         from array_type_nelts.
4605         (gimplify_addr_expr): Remove redundant clear of TREE_SIDE_EFFECTS.
4606         * integrate.c (copy_decl_for_inlining): Correct comments.
4607         * tree-inline.c (remap_decl): Update comments, remove dead code,
4608         and copy DECL_FIELD_OFFSET and DECL_QUALIFIER, if they exist.
4609         (remap_type): Only remap if variably modified by vars in function
4610         being inlined.
4611         (copy_body_r): Use compatible_type langhooks to see when can fold.
4612         (setup_one_parameter): Don't remap type.
4613         (inline_forbidden_p_1): Add arg to variably_modified_type_p.
4614         * tree.c (recompute_tree_invarant_for_addr_expr): Properly
4615         compute TREE_INVARIANT for decl case.
4616         (find_var_from_fn): New function.
4617         (variably_modified_type_p): Add arg and call new function.
4618         * tree.h (variably_modified_type_p): Add extra arg.
4619
4620 2004-07-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
4621
4622         * config/sparc/sparc.md (nonlocal_goto): Remove disabled code.
4623         (goto_handler_and_restore_v9): Delete disabled insn.
4624         (goto_handler_and_restore_v9_sp64): Likewise.
4625
4626 2004-07-05  Roger Sayle  <roger@eyesopen.com>
4627
4628         * calls.c (load_register_parameters): Call expand_shift instead
4629         of expand_binop with ashl_optab (or other shift optab) directly.
4630         * expr.c (emit_group_load, emit_group_store): Likewise.
4631         * function.c (assign_parm_setup_block): Likewise.
4632         * stmt.c (shift_return_value): Likewise.
4633
4634 2004-07-05  Jakub Jelinek  <jakub@redhat.com>
4635
4636         * expr.c (expand_assignment): Disable the bitfield += optimizations.
4637
4638 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
4639
4640         * doc/sourcebuild.texi: Revert previous patch.
4641
4642 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
4643
4644         * c-decl.c, config/m32r/m32r.c, expr.c, optabs.c: Don't check
4645         TARGET_MEM_FUNCTIONS.
4646         * system.h: Poison TARGET_MEM_FUNCTIONS.
4647         * libfuncs.h (LTI_bcopy, LTI_bcmp, LTI_bzero, bcopy_libfunc,
4648         bcmp_libfunc, bzero_libfunc): Remove.
4649         * optabs.c (init_obtabs): Don't set bcopy_libfunc, bcmp_libfunc or
4650         bzero_libfunc.
4651         * doc/tm.texi (TARGET_MEM_FUNCTIONS): Remove.
4652         * doc/standards.texi: Don't mention calling BSD string functions.
4653         * doc/invoke.texi: Likewise.  Mention that memmove may be called.
4654         * config/vax/t-memfuncs: New.
4655         * config/memcmp.c, config/memcpy.c, config/memmove.c,
4656         config/memset.c: New.
4657         * config/pdp11/t-pdp11 (LIB2FUNCS_EXTRA): Use these files.
4658         * config.gcc (vax-*-bsd*, vax-*-sysv*, vax-*-ultrix*): Use
4659         vax/t-memfuncs.
4660         * config/alpha/alpha.h, config/arc/arc.h, config/arm/arm.h,
4661         config/avr/avr.h, config/c4x/c4x.h, config/cris/aout.h,
4662         config/elfos.h, config/gnu.h, config/h8300/h8300.h,
4663         config/i386/gas.h, config/ia64/ia64.h, config/interix.h,
4664         config/ip2k/ip2k.h, config/lynx-ng.h, config/m32r/m32r.h,
4665         config/mcore/mcore.h, config/mips/mips.h, config/mmix/mmix.h,
4666         config/netbsd.h, config/openbsd.h, config/pa/pa.h,
4667         config/rs6000/rs6000.h, config/rtems.h, config/s390/s390.h,
4668         config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
4669         config/svr3.h: Don't define TARGET_MEM_FUNCTIONS.
4670
4671 2004-07-05  Richard Henderson  <rth@redhat.com>
4672
4673         * function.c (assign_parm_setup_reg): Properly rename variables in
4674         FUNCTION_ARG_CALLEE_COPIES section.
4675
4676 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
4677
4678         * tree-mudflap.c: Include cgraph.h.
4679         (mf_init_extern_trees): Rename to mudflap_init.  Export.
4680         Rewrite to create synthetic declarations instead of looking
4681         up declarations from mf-runtime.h.
4682         (mf_make_builtin, mf_make_cache_struct_type): New functions.
4683         (mf_cache_shift_decl, mf_cache_mask_decl, mf_unregister_fndecl):
4684         Correct commentary.
4685         (execute_mudflap_function_decls, mudflap_register_call):
4686         Don't call mf_init_extern_trees.
4687         (mudflap_finish_file): Use cgraph_build_static_cdtor.
4688
4689         * tree-mudflap.h: Update prototypes.
4690         * c-mudflap.c: Delete file.
4691         * c-common.c: Include tree-mudflap.h.
4692         (c_common_nodes_and_builtins): Call mudflap_init if appropriate.
4693         * Makefile.in: Remove all references to c-mudflap.o.
4694         Update dependencies.
4695
4696 2004-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4697
4698         * pa.md (prefetch, prefetch_32, prefetch_64): Only allow short
4699         displacements with the spatial-locality cache-control completer.
4700
4701 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
4702
4703         * langhooks.c: Don't include gt-langhooks.h.
4704         (var_labelno): Delete.
4705         (lhd_set_decl_assembler_name): Do not append a distinguishing
4706         number to file-scope internal-linkage declarations for the first
4707         input file, even if they have DECL_CONTEXT set.  Use DECL_UID of
4708         the declaration itself (if at block scope), or its containing
4709         TRANSLATION_UNIT_DECL (if at file scope) for the distinguishing
4710         number.
4711
4712         * opts.c (cur_in_fname): New global.
4713         * opts.h: Declare it.
4714         * tree.c: Include opts.h.
4715         (make_node_stat): If creating a TRANSLATION_UNIT_DECL, give it
4716         DECL_UID equal to cur_in_fname.
4717         (copy_node_stat): Do not change DECL_UID when copying a
4718         TRANSLATION_UNIT_DECL.
4719         (build_common_tree_nodes): Adjust next_decl_uid to reserve the
4720         range 0 .. num_in_fnames-1 for TRANSLATION_UNIT_DECLs.
4721
4722         * c-decl.c (c_static_assembler_name): Delete.
4723         * c-tree.h (c_static_assembler_name): Delete prototype.
4724         * c-lang.c, objc/objc-lang.c: Don't override
4725         LANG_HOOKS_SET_DECL_ASSEMBLER_NAME.
4726
4727         * Makefile.in (tree.o): Update dependencies.
4728         (GTFILES): Remove langhooks.c.
4729
4730 2004-07-05  Roger Sayle  <roger@eyesopen.com>
4731
4732         * fold-const.c (fold) <TRUNC_MOD_EXPR>: Optimize unsigned modulus
4733         by a power of two into a bit-wise AND, i.e. "X % C" as "X & (C-1)".
4734         Normalize "X % C" as "X % -C" for signed modulus and negative C.
4735         Optimize "X % -Y" as "X % Y" for signed modulus.
4736         <EQ_EXPR>: Recursively call "fold" when transforming "(X % Y) == 0"
4737         into "((unsigned) X % Y) == 0".
4738
4739 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
4740
4741         * sourcebuild.texi (Config Fragments): Use @comma{} in
4742         cross-reference to section title.
4743
4744 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4745
4746         * tree.h (DECL_SEEN_IN_BIND_EXPR_P): New macro.
4747         * gimplify.c (gimple_add_tmp_var, gimplify_bind_expr): Use it.
4748         (gimplify_target_expr, gimplify_expr): Likewise.
4749         (copy_if_shared_r): No longer need special case for BIND_EXPR.
4750         (unshare_body, unvisit_body): Only look at nested if BODY_P is
4751         whole function.
4752         (gimplify_compound_lval): See if we can strip any useless conversion.
4753         (gimplify_modify_expr, gimplify_modify_expr_to_memcpy): Take size
4754         from RHS, not LHS.
4755         (gimplify_modify_expr_to_memset): Likewise.
4756         (gimplify_expr, case CONSTRUCTOR): Handle use as statement.
4757         * tree-inline.c (setup_one_parameter): Use DECL_SEEN_IN_BIND_EXPR_P.
4758         (declare_inline_vars): Likewise.
4759         (walk_type_fields): New function.
4760         (walk_tree): Use it.
4761         * tree-nested.c (create_tmp_var_for): Show seen in BIND_EXPR.
4762
4763         * tree-sra.c (struct sra_walk_fns): Init function now returns bool.
4764         (sra_walk_modify_expr): Allow init function to fail.
4765         (scan_init): Now returns bool.
4766         (generate_element_init): If can't understand INIT, return false.
4767         (scalarize_init): Return false if generate_element_init does.
4768
4769         * tree-pretty-print.c (dump_generic_node, case ARRAY_TYPE): Properly
4770         print bounds.
4771
4772         * expr.c (expand_expr_real_1, case SWITCH_EXPR): Don't check against
4773         bounds if bounds aren't constant.
4774
4775         * tree-cfg.c (verify_expr): Use CHECK_OP in binary case.
4776
4777         * function.c, langhooks-def.h, langhooks.h: Move max_size hook
4778         to type hooks; remove bogus PARAMS.
4779
4780 2004-07-05  Nathan Sidwell  <nathan@codesourcery.com>
4781
4782         * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Use TYPE_LANG_SLOT_1.
4783         * dwarf2out.c (add_data_member_location_attribute): Check for
4784         TREE_BINFO.
4785         * tree.c (tree_node_kinds): Add "binfos".
4786         (binfo_lang_slots): New.
4787         (make_node_stat): Add TREE_BINFO.
4788         (make_tree_binfo_stat): New.
4789         (tree_node_structure): Add TREE_BINFO.
4790         * tree.def (TREE_BINFO): New.
4791         * tree.h (REC_OR_UNION_CHECK): Rename to ...
4792         (RECORD_OR_UNION_CHECK): ... here.
4793         (NOT_RECORD_OR_UNION_CHECK): New.
4794         (TRE_VIA_VIRTUAL): Allow TREE_LIST or TREE_BINFO.
4795         (TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD): Adjust for
4796         RECORD_OR_UNION_CHECK.
4797         (TYPE_BINFO): Use RECORD_OR_UNION_CHECK.
4798         (TYPE_LANG_SLOT_1): New.
4799         (BINFO_TYPE, BINFO_OFFSET, BINFO_VTABLE, BINFO_VIRTUALS,
4800         BINFO_BASETYPES, TYPE_BINFO_BASETYPES, BINFO_VPTR_FIELD,
4801         BINFO_BASEACCESSES, BINFO_INHERITANCE_CHAIN): Adjust.
4802         (BINFO_ELTS): Remove.
4803         (BINFO_LANG_SLOT): New.
4804         (struct tree_binfo): New.
4805         (binfo_lang_slots): Declare.
4806         (enum tree_node_structure_enum): Add TS_BINFO.
4807         (union tree_node): Add binfo.
4808         (make_tree_binfo_stat): Declare.
4809         (make_tree_binfo): New.
4810         (enum tree_node_kind): Add binfo_kind.
4811
4812         * objc/objc-act.c (start_class, objc_declare_protocols,
4813         start_protocols): Use TYPE_LANG_SLOT_1.
4814         * objc/objc-act.h (CLASS_BINFO_ELTS, PROTOCOL_BINFO_ELTS): Rename
4815         to ...
4816         (CLASS_LANG_SLOT_ELTS, PROTOCOL_LANG_SLOT_ELTS): ... here.
4817         (CLASS_IVARS, CLASS_RAW_IVARS, CLASS_STATIC_TEMPLATE,
4818         CLASS_CATEGORY_LIST, CLASS_PROTOCOL_LIST, CLASS_OWN_IVARS,
4819         PROTOCOL_LIST, PROTOCOL_FORWARD_DECL): Use TYPE_LANG_SLOT_1.
4820
4821 2004-07-05  Steven Bosscher  <stevenb@suse.de>
4822
4823         * rtl.h (struct rtx_def): Remove the integrated flag.
4824         Use the return_val flag for MEM_SCALAR_P.
4825         Reshuffle and update flags in CLEAR_RTX_FLAGS.
4826
4827 2004-07-05  Richard Sandiford  <rsandifo@redhat.com>
4828
4829         PR target/16357
4830         * config/mips/mips.c (mips_block_move_straight): Pass BLKmode memrefs
4831         to mips_expand_unaligned_load, mips_expand_unaligned_store, and
4832         move_by_pieces.
4833
4834 2004-07-05  Josef Zlomek  <zlomekj@suse.cz>
4835
4836         * var-tracking.c: Fix some comments.
4837         (frame_stack_adjust): New.
4838         (vt_stack_adjustments): Init stack_adjust of entry block to
4839         minus stack adjustment of function prologue.
4840         (adjust_stack_reference): Do not adjust if adjustment == 0.
4841         (compute_bb_dataflow): Use plus_constant instead of gen_rtx_PLUS.
4842         (emit_notes_in_bb): Likewise.
4843         (vt_add_function_parameters): Do not adjust locations of
4844         function arguments.
4845         (vt_initialize): Compute the stack adjustment of function
4846         prologue and offset the initial "location" of frame_base_decl
4847         from the stack pointer after prologue.
4848
4849 2004-07-04  Richard Henderson  <rth@redhat.com>
4850
4851         * function.c (struct assign_parm_data_all): New.
4852         (struct assign_parm_data_one): New.
4853         (assign_parms_initialize_all, assign_parms_augmented_arg_list,
4854         assign_parm_find_data_types, assign_parms_setup_varargs,
4855         assign_parm_find_entry_rtl, assign_parm_is_stack_parm,
4856         assign_parm_find_stack_rtl, assign_parm_adjust_entry_rtl,
4857         assign_parm_adjust_stack_rtl, assign_parm_setup_block_p,
4858         assign_parm_setup_block, assign_parm_setup_reg,
4859         assign_parm_setup_stack, assign_parms_unsplit_complex): Split from ...
4860         (assign_parms): ... here.
4861
4862 2004-07-04  Daniel Berlin  <dberlin@dberlin.org>
4863
4864         * tree-ssa-pre.c (bb_value_sets): phi_gen, tmp_gen, new_sets
4865         now are bitmap_set_t's.
4866         (bitmap_insert_into_set): No point in inserting the value if
4867         it's invariant.
4868         (bitmap_set_contains): New function.
4869         (bitmap_set_replace_value): Add comment on why we do it
4870         this way.
4871         (set_contains): Removed.
4872         (bitmap_set_subtract_from_value_set): New name of
4873         set_subtract now that it's arguments are two different
4874         types of sets.
4875         Update callers.
4876         (bitmap_find_leader): Change algorithm used.
4877         (find_or_generate_expression): Update use of functions for new
4878         bitmap sets.
4879         (create_expression_by_pieces): Ditto.
4880         (insert_aux): Ditto.
4881         (insert): Ditto.
4882         (add_to_sets): Ditto.
4883         (init_pre): Ditto.
4884         (execute_pre): Ditto.
4885         (compute_avail): Ditto.
4886         Also ignore virtual phis.
4887
4888 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
4889
4890         * combine.c (simplify_comparison): Fix comment typo.
4891
4892 2004-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
4893
4894         * config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): Rename
4895         into LEAF_SIBCALL_SLOT_RESERVED_P after negation.
4896         (eligible_for_sibcall_delay): Adjust use of SIBCALL_SLOT_EMPTY_P.
4897         (output_restore): Change parameter from 'insn' to 'pat'.
4898         (output_return): Adjust call to output_restore.
4899         (output_sibcall): Adjust use of SIBCALL_SLOT_EMPTY_P.
4900         Adjust call to output_restore.
4901
4902 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
4903
4904         * config/netbsd.h (NETBSD_OS_CPP_BUILTINS_COMMON): Define __unix__
4905         and assert system is bsd.
4906
4907 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
4908
4909         * config/mips/mips.h (MASK_DEBUG_C, TARGET_DEBUG_C_MODE): Delete.
4910         (TARGET_SWITCHES): Remove -mdebugc.
4911         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
4912         (sltu, sleu): Remove TARGET_DEBUG_C_MODE handling.
4913         (seq_[sd]i, sne_[sd]i, sge_[sd]i, sle_[sd]i_reg, sgeu_[sd]i)
4914         (sle_[sd]i_reg): Delete.
4915
4916 2004-07-04  Steven Bosscher  <stevenb@suse.de>
4917
4918         * config/iq2000/iq2000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
4919         Define.
4920         * config/iq2000/iq2000.md: Translate old pipeline description to an
4921         equivalent new one.
4922
4923 2004-07-04  Roger Sayle  <roger@eyesopen.com>
4924
4925         * tree-ssa-ccp.c (set_rhs): Change function to return a bool.
4926         Ensure the replacement rhs is valid gimple before performing
4927         the substitution.  Return false if these sanity checks fail.
4928         (fold_stmt): Only set changed to true, if set_rhs returns true.
4929         (execute_fold_all_builtins): Only call modify_stmt if set_rhs
4930         succeeds.
4931
4932 2004-07-04  Richard Henderson  <rth@redhat.com>
4933
4934         PR c/16348
4935         * c-typeck.c (c_finish_loop): Don't clear cond for cond_is_first loops.
4936
4937 2004-07-04  Mark Mitchell  <mark@codesourcery.com>
4938
4939         * configure.ac (ranlib_flags): New variable.
4940         * Makefile.in (RANLIB_FLAGS): New variable.
4941         (libbackend.a): Use it.
4942         * configure: Regenerated.
4943
4944 2004-07-04  Roger Sayle  <roger@eyesopen.com>
4945
4946         * ifcvt.c (noce_try_sign_mask): Call emit_store_flag to generate
4947         a "sign mask" instead of using ashr_optab directly.
4948
4949 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
4950
4951         * doc/cpp.texi: Don't document what we do for ill-formed expressions.
4952         * doc/cppopts.texi: Clarify processing of command-line defines.
4953
4954 2004-07-04  Gerald Pfeifer  <gerald@pfeifer.com>
4955
4956         * doc/contrib.texi (Contributors): Adjust link for GNU Classpath.
4957
4958 2004-07-04  Richard Henderson  <rth@redhat.com>
4959
4960         * rtl.def (ADDRESSOF): Remove.
4961         * alias.c (rtx_equal_for_memref_p): Don't handle addressof.
4962         (find_base_term, memrefs_conflict_p): Likewise.
4963         * cse.c (fixed_base_plus_p, find_best_addr: Likewise.
4964         (fold_rtx, cse_insn, set_live_p): Likewise.
4965         * dwarf2out.c (mem_loc_descriptor): Likewise.
4966         (add_location_or_const_value_attribute): Likewise.
4967         * emit-rtl.c (copy_insn_1): Likewise.
4968         * explow.c (memory_address): Likewise.
4969         * expmed.c (store_split_bit_field): Likewise.
4970         * expr.c (expand_expr_real_1): Likewise.
4971         * function.c (instantiate_decl
4972         (instantiate_virtual_regs_1, fix_lexical_addr): Likewise.
4973         * genrecog.c (preds, validate_pattern): Likewise.
4974         * integrate.c (copy_rtx_and_substitute): Likewise.
4975         * recog.c (general_operand, register_operand): Likewise.
4976         (memory_address_p): Likwise.
4977         * reload1.c (eliminate_regs, elimination_effects): Likewise.
4978         * rtl.c (copy_rtx): Likewise.
4979         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
4980         (rtx_addr_can_trap_p, nonzero_address_p, address_cost): Likewise.
4981         * rtlhooks.c (gen_lowpart_general): Likewise.
4982         * stmt.c (expand_asm_operands): Likewise.
4983         * web.c (entry_register, replace_ref, web_main): Likewise.
4984         * config/alpha/alpha.c (input_operand, alpha_legitimate_address_p,
4985         alpha_expand_block_move, alpha_expand_block_clear): Likewise.
4986         * config/arm/arm.c (thumb_rtx_costs): Likewise.
4987         * config/c4x/c4x.c (c4x_valid_operands): Likewise.
4988         * config/frv/frv.c (move_destination_operand, move_source_operand,
4989         condexec_dest_operand, condexec_source_operand,
4990         condexec_memory_operand): Likewise.
4991         * config/h8300/h8300.h (PREDICATE_CODES): Likewise.
4992         * config/ia64/ia64.c (general_xfmode_operand): Likewise.
4993         (destination_xfmode_operand): Likewise.
4994         * config/mips/mips.h (PREDICATE_CODES): Likewise.
4995         * config/mn10300/mn10300.c (mn10300_address_cost_1): Likewise.
4996         * config/s390/s390.c (general_s_operand): Likewise.
4997         * config/s390/s390.md (mov*): Likewise.
4998         * config/sparc/sparc.h (PREDICATE_CODES): Likewise.
4999
5000         * c-typeck.c (c_mark_addressable): Don't put_var_into_stack.
5001         * expr.c (expand_expr_real_1): Likewise.
5002         * stmt.c (expand_decl): Likewise.
5003         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
5004
5005         * function.c (struct fixup_replacement, struct insns_for_mem_entry,
5006         postponed_insns, put_var_into_stack, put_reg_into_stack,
5007         schedule_fixup_var_refs, fixup_var_refs, find_fixup_replacement,
5008         fixup_var_refs_insns, fixup_var_refs_insns_with_hash,
5009         fixup_var_refs_insn, fixup_var_refs_1, fixup_memory_subreg,
5010         walk_fixup_memory_subreg, fixup_stack_1, optimize_bit_field,
5011         gen_mem_addressof, flush_addressof, put_addressof_into_stack,
5012         purge_bitfield_addressof_replacements, purge_addressof_replacements,
5013         purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
5014         struct insns_for_mem_walk_info, insns_for_mem_walk,
5015         compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
5016         setjmp_protect_args): Remove.
5017         (push_function_context_to): Don't handle var_refs_queue.
5018         (pop_function_context_from, free_after_compilation): Likewise.
5019         (instantiate_virtual_regs): Don't handle parm_reg_stack_loc.
5020         (assign_parms, allocate_struct_function): Likewise.
5021         (use_register_for_decl): New.
5022         (expand_function_end): Don't setjmp_protect.
5023         * function.h (struct emit_status): Update commentary.
5024         (struct function): Remove x_max_parm_reg, x_parm_reg_stack_loc.
5025         (max_parm_reg, parm_reg_stack_loc): Remove.
5026         * passes.c (DFI_addressof): Remove.
5027         (dump_file_info): Remove addressof.
5028         (rest_of_handle_addressof): Remove.
5029         (rest_of_compilation): Don't call it.
5030         * rtl.h (ADDRESSOF_REGNO, ADDRESSOF_DECL): Remove.
5031         * stmt.c (expand_decl): Use use_register_for_decl.
5032         * tree.h: Update decls.
5033         * web.c (mark_addressof): Remove.
5034         * doc/invoke.texi (-dF): Remove.
5035
5036 2004-07-03  Richard Henderson  <rth@redhat.com>
5037
5038         * config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
5039         instead of gen_mem_addressof.
5040         * config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
5041         TImode output register.
5042
5043 2004-07-03  Richard Henderson  <rth@redhat.com>
5044
5045         PR tree-optimization/16341
5046         * tree-sra.c (sra_walk_function): Increment to next stmt before
5047         processing the current stmt.
5048         (sra_insert_after): Always use BSI_SAME_STMT.
5049
5050 2004-07-03  Richard Henderson  <rth@redhat.com>
5051
5052         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Don't fold
5053         fp plus with minus.
5054
5055 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
5056
5057         * tree.c (type_hash_eq): Allow TYPE_MIN_VALUE which compares equal
5058         with tree_int_cst_equal.
5059
5060 2004-07-03  Andreas Schwab  <schwab@suse.de>
5061
5062         * config/ia64/ia64.md: Define new attribute "empty".
5063         (prologue_use, nop_x, insn_group_barrier): Set it.
5064
5065         * config/ia64/ia64.c (ia64_reorg): When looking for trailing call
5066         skip over "empty" insns.
5067
5068 2004-07-03  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5069
5070         * tree-inline.c (initialize_inlined_parameters): Pass proper function
5071         context to gimplify_body.
5072         (walk_tree): Don't walk into types twice.
5073         (walk_tree, case POINTER_TYPE): Deal with mutually recursive pointers.
5074
5075         * tree-sra.c (generate_element_init): Remove any useless conversions.
5076
5077         * gimplify.c (gimplify_conversion): Remove stripping useless
5078         conversions from here.
5079         (gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.
5080         (gimplify_modify_expr_to_memcpy, gimplify_variable_sized_compare):
5081         Unshare before substituting PLACEHOLDER_EXPR.
5082         (gimplify_modify_expr_to_memset): Likewise.
5083         Pass address of TO to memset, not TO itself.
5084         (gimplify_init_constructor): Make copy of OBJECT so we have it each
5085         time we make an expression (to match a PLACEHOLDER_EXPR).
5086
5087         * tree-ssa.c (tree_ssa_useless_type_conversion): Also look at
5088         VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
5089         * tree-ssa-ccp.c (fold_stmt): Call just STRIP_USELESS_TYPE_CONVERSION.
5090         * tree-ssa-dom.c (local_fold): Likewise.
5091
5092         * langhooks-def.h (LANG_HOOKS_TYPE_MAX_SIZE): New langhook.
5093         * langhooks.h (strct lang_hooks): New field type_max_size.
5094         * function.c (assign_temp): Call it.
5095
5096 2004-07-03  Steven Bosscher  <stevenb@suse.de>
5097
5098         * config/sh/sh.c (sh_use_dfa_interface): Add TARGET_SH1.
5099         * config/sh/sh.md: Convert the SH1 pipeline description to
5100         a DFA model.
5101
5102 2004-07-02  Zack Weinberg  <zack@codesourcery.com>
5103
5104         * c-decl.c (struct c_binding): Remove contour field; add
5105         depth, invisible, nested fields.
5106         (B_IN_SCOPE, B_IN_CURRENT_SCOPE, B_IN_FILE_SCOPE)
5107         (B_IN_EXTERNAL_SCOPE): New convenience macros.
5108         (bind): Add invisible and nested arguments. Initialize
5109         new fields of struct c_binding; adjust loop scanning for
5110         insertion point.
5111         (free_binding_and_advance): Clear structure with memset.
5112         (pop_scope): Adjust to match.  Set DECL_CONTEXT on everything
5113         in file scope, even if it's in external scope too.
5114         (pushdecl): Adjust to match.  Create invisible file-scope
5115         declarations for block-scope forward declarations of static functions.
5116         (pushtag, warn_if_shadowing, pushdecl_top_level, implicitly_declare)
5117         (undeclared_variable, lookup_label, declare_label, define_label)
5118         (lookup_tag, lookup_name, lookup_name_in_scope, builtin_function)
5119         (c_make_fname_decl, store_parm_decls_newstyle, identifier_global_value)
5120         (store_parm_decls_oldstyle): Adjust to match.
5121         (diagnose_mismatched_decls): Correct handling of linkage clashes.
5122         (merge_decls): No need to copy C_DECL_IN_EXTERNAL_SCOPE.
5123
5124         * c-tree.h (C_DECL_IN_EXTERNAL_SCOPE): Delete.
5125         (C_DECL_DECLARED_BUILTIN, C_DECL_REGISTER): Slide down one.
5126
5127 2004-07-02  Richard Henderson  <rth@redhat.com>
5128
5129         * c-decl.c (grokdeclarator): Don't frob current_function_decl
5130         around variable_size.
5131         (set_decl_nonlocal): Remove.
5132         (store_parm_decls): Add stmts for pending sizes.
5133         * calls.c (calls_function, calls_function_1): Remove.
5134         (precompute_arguments): Don't call it.
5135         * cfgexpand.c (set_save_expr_context): Remove.
5136         (tree_expand_cfg): Don't call it.
5137         * dwarf2out.c (add_bound_info): Don't handle SAVE_EXPR.
5138         (dwarf2out_finish): Likewise.
5139         * expr.c (emit_block_move): Adjust addresses to BLKmode.
5140         (store_constructor): Don't pre-evaluate SAVE_EXPR.
5141         (safe_from_p): Don't queue SAVE_EXPRs.
5142         (expand_expr_real_1 <case SAVE_EXPR>): Rewrite to expect,
5143         or build plain VAR_DECLs.
5144         * fold-const.c (twoval_comparison_p): Don't look at SAVE_EXPR_RTL.
5145         (fold): Likewise.
5146         (fold_checksum_tree): Don't special-case SAVE_EXPR.
5147         * function.c (free_after_compilation): Don't clear x_save_expr_regs.
5148         (put_var_into_stack): Don't handle SAVE_EXPR.
5149         (gen_mem_addressof): Likewise.
5150         * function.h (struct function): Remove x_save_expr_regs.
5151         (save_expr_regs): Remove.
5152         * gengtype.c (adjust_field_tree_exp): Don't special-case SAVE_EXPR.
5153         * print-tree.c (print_node): Don't dump SAVE_EXPR_NOPLACEHOLDER.
5154         * stor-layout.c (variable_size): Don't set it.
5155         (force_type_save_exprs, force_type_save_exprs_1): Remove.
5156         * tree-inline.c (remap_save_expr): Remove fn argument.  Update
5157         all callers.  Don't set SAVE_EXPR_CONTEXT.
5158         * tree-inline.h (remap_save_expr): Update decl.
5159         * tree.c (save_expr): Update build size.
5160         (first_rtl_op): Don't handle SAVE_EXPR.
5161         (unsave_expr_1, contains_placeholder_p): Likewise.
5162         (decl_function_context): Likewise.
5163         * tree.def (SAVE_EXPR): Remove args 1 and 2.
5164         * tree.h (SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL): Remove.
5165         (SAVE_EXPR_NOPLACEHOLDER, SAVE_EXPR_PERSISTENT_P): Remove.
5166
5167 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
5168
5169         * doc/bugreport.texi, doc/configterms.texi, doc/contrib.texi,
5170         doc/contribute.texi, doc/cpp.texi, doc/cppinternals.texi,
5171         doc/extend.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
5172         doc/portability.texi, doc/tree-ssa.texi, doc/trouble.texi: Avoid
5173         some first-person references and patronizing comments.  Based on
5174         printed manual.
5175         * doc/invoke.texi: Don't reference fortran@gnu.org.
5176         * doc/trouble.texi (Warning when a non-void function value is
5177         ignored): Rewrite.  From Russ Allbery and Chris Devers.
5178
5179 2004-07-02  Daniel Berlin  <dberlin@dberlin.org)
5180
5181         * tree-ssa-pre.c (bitmap_set_t): New.
5182         (bb_value_sets): avail_out is now a bitmap_set_t.
5183         (bitmap_find_leader): New function.
5184         (bitmap_value_insert_into_set): Ditto.
5185         (bitmap_set_copy): Ditto.
5186         (bitmap_value_replace_in_set): Ditto.
5187         (bitmap_set_contains_value): Ditto.
5188         (bitmap_set_new): Ditto.
5189         (bitmap_set_pool): New pool.
5190         (find_or_generate_expression): Use bitmap_ functions on AVAIL sets.
5191         (insert_aux): Ditto.
5192         (add_to_sets): Ditto.
5193         (compute_avail): Ditto
5194         (eliminate): Ditto.
5195         (init_pre): Ditto.
5196         (fini_pre): Ditto.
5197         (execute_pre): Ditto.
5198
5199 2004-07-02  Roger Sayle  <roger@eyesopen.com>
5200
5201         * config/rs6000/rs6000.c (struct processor_costs): New structure
5202         used to hold instruction latencies/sizes for processor types.
5203         (rs6000_cost): New global variable pointing to current CPU's costs.
5204         (rs6000_override_options): Initialize rs6000_cost to point to the
5205         appropriate cost table based upon rs6000_cpu and optimize_size.
5206         (rs6000_rtx_costs): Use rs6000_cost to avoid hardcoding processor
5207         timings inline.
5208
5209 2004-07-02  Richard Henderson  <rth@redhat.com>
5210
5211         * expmed.c (make_tree): Don't use SET_DECL_RTL.
5212
5213 2004-07-02  Steven Bosscher  <stevenb@suse.de>
5214
5215         * tree-flow.h (bb_ann_d): Remove ephi_nodes field.
5216
5217 2004-07-01  Richard Henderson  <rth@redhat.com>
5218
5219         * config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
5220         (alpha_gp_save_rtx): Use assign_stack_local instead of
5221         gen_mem_addressof.
5222
5223 2004-07-01  Richard Henderson  <rth@redhat.com>
5224
5225         * config/alpha/alpha.c (struct alpha_rtx_cost_data): Add int_div.
5226         (alpha_rtx_cost_data): Update to match.
5227         (alpha_rtx_cost_size): New.
5228         (alpha_rtx_costs): Honor optimize_size.
5229
5230 2004-07-01  Richard Henderson  <rth@redhat.com>
5231
5232         * gimple-low.c (lower_function_body): Don't reset_block_changes here.
5233         * cfgexpand.c (tree_expand_cfg): Do it here.
5234         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): And here.
5235         * config/ia64/ia64.c (ia64_output_mi_thunk): And here.
5236         * config/mips/mips.c (mips_output_mi_thunk): And here.
5237         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): And here.
5238         * config/sh/sh.c (sh_output_mi_thunk): And here.
5239         * config/sparc/sparc.c (sparc_output_mi_thunk): And here.
5240
5241 2004-07-01  Richard Henderson  <rth@redhat.com>
5242
5243         * tree.def (RTL_EXPR): Remove.
5244         * c-typeck.c (lvalue_p): Don't handle it.
5245         * expr.c (safe_from_p): Likewise.
5246         (expand_expr_real_1): Likewise.
5247         * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
5248         (fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
5249         * gengtype.c (adjust_field_tree_exp): Likewise.
5250         * stmt.c (warn_if_unused_value): Likewise.
5251         * tree-gimple.c (recalculate_side_effects): Likewise.
5252         * tree-pretty-print.c (dump_generic_node): Likewise.
5253         * tree.c (make_node_stat, first_rtl_op, unsave_expr_1): Likewise.
5254         (unsafe_for_reeval, stabilize_reference, build1_stat): Likewise.
5255         * tree.h (RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, RTL_EXPR_ALT_RTL): Remove.
5256
5257         * stmt.c (struct stmt_status): Remove x_last_expr_type,
5258         x_last_expr_value, x_last_expr_alt_rtl, x_expr_stmts_for_value.
5259         (last_expr_type, last_expr_value, last_expr_alt_rtl): Remove.
5260         (expand_expr_stmt): Merge with expand_expr_stmt_value.  Remove
5261         all the bits that tracked last_expr.
5262         (expand_end_bindings): Don't track last_expr.
5263         (expand_start_stmt_expr, expand_end_stmt_expr): Remove.
5264         (clear_last_expr): Remove.
5265         (expand_asm): Don't call it.
5266         (expand_asm_operands, expand_end_cond): Likewise.
5267         (expand_naked_return, expand_null_return_1): Likewise.
5268         * c-typeck.c (c_begin_compound_stmt): Likewise.
5269         * cfgexpand.c (expand_block): Use expand_expr_stmt.
5270         * expr.c (expand_expr_real_1): Likewise.
5271         * tree.h: Update prototypes.
5272
5273         * function.h (struct sequence_stack): Remove sequence_rtl_expr.
5274         (struct emit_status): Remove sequence_rtl_expr.
5275         (struct function): Remove x_rtl_expr_chain.
5276         (seq_rtl_expr, rtl_expr_chain): Remove.
5277         * function.c (struct temp_slot): Remove rtl_expr.
5278         (assign_stack_temp_for_type): Don't set it.
5279         (free_temp_slots, pop_temp_slots): Don't check it.
5280         (free_after_compilation): Don't clear x_rtl_expr_chain.
5281         (fixup_var_refs): Don't search it.
5282         (preserve_rtl_expr_result, free_temps_for_rtl_expr): Remove.
5283         * emit-rtl.c (start_sequence): Don't use sequence_rtl_expr
5284         or seq_rtl_expr.
5285         (push_topmost_sequence): Likewise.
5286         (end_sequence, init_emit): Likewise.
5287         (start_sequence_for_rtl_expr): Remove.
5288         * expmed.c (make_tree): Build a VAR_DECL instead of an RTL_EXPR.
5289         * rtl.h (preserve_rtl_expr_result): Remove.
5290
5291 2004-07-02  Kazu Hirata  <kazu@cs.umass.edu>
5292
5293         * ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
5294         tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
5295         typos.
5296
5297 2004-07-02  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
5298
5299         * gcc.c (STANDARD_STARTFILE_PREFIX_1): Define.
5300         (STANDARD_STARTFILE_PREFIX_2): Define.
5301         (standard_startfile_prefix_1): Initialize to
5302         STANDARD_STARTFILE_PREFIX_1.
5303         (standard_startfile_prefix_2): Initialize to
5304         STANDARD_STARTFILE_PREFIX_2.
5305         * config/i386/mingw32.h (MD_STARTFILE_PREFIX): Remove.
5306         (STANDARD_STARTFILE_PREFIX_1): Define.
5307         (STANDARD_STARTFILE_PREFIX_2): Define.
5308         * doc/tm.texi (STANDARD_STARTFILE_PREFIX_1): Document.
5309         (STANDARD_STARTFILE_PREFIX_2): Document.
5310
5311 2004-07-01  Richard Henderson  <rth@redhat.com>
5312
5313         * tree-sra.c (sra_walk_expr): Don't maybe_lookup_element_for_expr
5314         in order to disable scalarization.  Instead set a flag and wait
5315         for a candidate decl.
5316
5317 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
5318
5319         * doc/cppinternals.texi, doc/install.texi, doc/invoke.texi,
5320         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi:
5321         Use terminology "testsuite" and "enumerated".
5322
5323 2004-07-01  Richard Henderson  <rth@redhat.com>
5324
5325         * dwarf2out.c (reg_save): Use INVALID_REGNUM.
5326         (dwarf2out_reg_save, dwarf2out_return_save): Likewise.
5327         (initial_return_save): Likewise.
5328         (flush_queued_reg_saves): Remap register numbers.
5329         (dwarf2out_return_reg): Likewise.
5330
5331 2004-07-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5332
5333         * gimplify.c (gimplify_one_sizepos): Don't do anything if any VAR_DECL.
5334
5335         * tree-pretty-print.c (dump_generic_node, case ARRAY_REF): Use
5336         access functions for lower bound and element size and only output
5337         if lower bound nonzero or element size not same as that of type.
5338         (dump_generic_node, case COMPONENT_REF): Use access func. for offset.
5339
5340 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
5341
5342         * c-pretty-print.c (pp_c_postfix_expression): Fix pasto.
5343
5344 2004-07-01  Per Bothner  <per@bothner.com>
5345
5346         * final.c (final):  Fix typo reported by Aaron W. LaFramboise.
5347
5348 2004-07-01  Jakub Jelinek  <jakub@redhat.com>
5349
5350         * expr.c (expand_assignment): Optimize bitfld += cst for 1 bit
5351         bitfields as well.  STRIP_NOPS from src operand and PLUS_EXPR's
5352         first operand.  Don't optimize if the bitfield is volatile.
5353
5354 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
5355
5356         * c-pretty-print.c (pp_c_postfix_expression): Handle
5357         floating-point comparison operators.
5358         (pp_c_expression): Pass floating-point comparison
5359         operators to pp_c_postfix_expression.
5360
5361 2004-07-01  Roger Sayle  <roger@eyesopen.com>
5362
5363         * simplify-rtx.c (simplify_binary_operation) <PLUS, MINUS>: Use
5364         rtx_cost instead of "had_mult" to determine whether the transformed
5365         expression is cheaper than the original.
5366
5367 2004-07-01  Jerry Quinn  <jlquinn@optonline.net>
5368
5369         * alias.c (get_alias_set, canon_rtx, get_addr,
5370         nonoverlapping_memrefs_p, nonlocal_referenced_p_1, memory_modified_1):
5371         Use MEM_P.
5372         * builtins.c (expand_builtin_prefetch, expand_builtin_profile_func,
5373         expand_builtin): Likewise.
5374         * calls.c (expand_call, emit_library_call_value_1, store_one_arg):
5375         Likewise.
5376         * combine.c (can_combine_p, combinable_i3pat, try_combine,
5377         find_split_point, combine_simplify_rtx, simplify_set, make_extraction,
5378         rtx_equal_for_field_assignment_p, gen_lowpart_for_combine,
5379         record_dead_and_set_regs_1, get_last_value_validate,
5380         mark_used_regs_combine, move_deaths, unmentioned_reg_p_1): Likewise.
5381         * cse.c (check_dependence, canon_hash, equiv_constant,
5382         gen_lowpart_if_possible, cse_insn, invalidate_from_clobbers,
5383         cse_around_loop, cse_check_loop_start, cse_set_around_loop,
5384         count_reg_usage): Likewise.
5385         * cselib.c (rtx_equal_for_cselib_p, add_mem_for_addr, cselib_lookup,
5386         cselib_invalidate_mem, cselib_invalidate_rtx, cselib_record_set,
5387         cselib_record_sets): Likewise.
5388         * dbxout.c (PARM_PASSED_IN_MEMORY, dbxout_symbol,
5389         dbxout_symbol_location, dbxout_parms, dbxout_reg_parms): Likewise.
5390         * ddg.c (mark_mem_use, mark_mem_store, rtx_mem_access_p): Likewise.
5391         * df.c (df_uses_record): Likewise.
5392         * dojump (do_jump): Likewise.
5393         * dwarf2out.c (stack_adjust_offset, mem_loc_descriptor,
5394         loc_descriptor_from_tree, rtl_for_decl_location, add_bound_info,
5395         decl_start_label): Likewise.
5396         * emit-rtl.c (gen_complex_constant_part, gen_highpart,
5397         operand_subword, change_address_1, make_safe_from): Likewise.
5398         * explow.c (break_out_memory_refs, copy_all_regs, validize_mem,
5399         stabilize, force_not_mem): Likewise.
5400         * expmed.c (store_bit_field, store_split_bit_field, extract_bit_field,
5401         expand_mult_const, expand_divmod, emit_store_flag): Likewise.
5402         * expr.c (convert_move, convert_modes, emit_block_move,
5403         emit_group_load, emit_group_store, clear_storage, emit_move_insn,
5404         emit_move_insn_1, expand_assignment, store_expr,
5405         store_constructor_field, store_constructor, store_field,
5406         force_operand, safe_from_p, expand_expr_real_1, expand_increment):
5407         Likewise.
5408         * final.c (cleanup_subreg_operands, alter_subreg,
5409         get_mem_expr_from_op): Likewise.
5410         * flow.c (notice_stack_pointer_modification_1,
5411         init_propagate_block_info, insn_dead_p, mark_set_1, mark_used_regs):
5412         Likewise.
5413         * function.c (mark_temp_addr_taken, preserve_temp_slots,
5414         preserve_rtl_expr_result, put_var_into_stack, fixup_var_refs_1,
5415         optimize_bit_field, flush_addressof, purge_addressof_1,
5416         instantiate_decl, instantiate_virtual_regs_1, assign_parms,
5417         setjmp_protect, setjmp_protect_args, fix_lexical_addr,
5418         keep_stack_depressed): Likewise.
5419         * ifcvt.c (noce_try_cmove_arith, noce_try_abs, noce_operand_ok,
5420         noce_process_if_block, find_memory): Likewise.
5421         * integrate.c (subst_constants, allocate_initial_values): Likewise.
5422         * local-alloc.c (validate_equiv_mem_from_store, memref_referenced_p,
5423         update_equiv_regs): Likewise.
5424         * loop.c (scan_loop, prescan_loop, note_addr_stored, check_store,
5425         maybe_eliminate_biv_1, find_mem_in_note_1): Likewise.
5426         * optabs.c (expand_abs, emit_unop_insn): Likewise.
5427         * passes.c (rest_of_handle_final): Likewise.
5428         * postreload.c (reload_cse_simplify_set, reload_cse_simplify_operands,
5429         move2add_note_store): Likewise.
5430         * ra-build.c (detect_remat_webs): Likewise.
5431         * ra-debug.c (dump_static_insn_cost): Likewise.
5432         * ra-rewrite.c (slots_overlap_p, insert_stores): Likewise.
5433         * recog.c (validate_change, apply_change_group, cancel_changes,
5434         validate_replace_rtx_1, general_operand, register_operand,
5435         nonmemory_operand, push_operand, pop_operand, memory_operand,
5436         indirect_operand, asm_operand_ok, offsettable_memref_p,
5437         offsettable_nonstrict_memref_p, constrain_operands,
5438         store_data_bypass_p): Likewise.
5439         * reg-stack.c (subst_stack_regs_pat): Likewise.
5440         * regclass.c (record_operand_costs, scan_one_insn, record_reg_classes,
5441         copy_cost, reg_scan_mark_refs): Likewise.
5442         * regmove.c (optimize_reg_copy_3, stack_memref_p,
5443         combine_stack_adjustments_for_block): Likewise.
5444         * regrename.c (copyprop_hardreg_forward_1): Likewise.
5445         * reload.c (can_reload_into, push_reload, decompose, immune_p,
5446         find_reloads, find_reloads_address, find_reloads_address_1,
5447         reg_overlap_mentioned_for_reload_p, refers_to_mem_for_reload_p,
5448         find_equiv_reg): Likewise.
5449         * reload1.c (reload, eliminate_regs, eliminate_regs_in_insn,
5450         reload_as_needed, choose_reload_regs, emit_input_reload_insns,
5451         do_input_reload, emit_reload_insns, gen_reload, delete_output_reload,
5452         delete_address_reloads): Likewise.
5453         * resource.c (mark_referenced_resources): Likewise.
5454         * rtlanal.c (get_jump_table_offset, count_occurrences,
5455         reg_referenced_p, reg_set_p, set_of_1, set_noop_p,
5456         reg_overlap_mentioned_p, note_uses, replace_regs, nonzero_bits1,
5457         num_sign_bit_copies1): Likewise.
5458         * rtlhooks.c (gen_lowpart_general): Likewise.
5459         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
5460         * sdbout.c (PARM_PASSED_IN_MEMORY, sdbout_symbol,
5461         sdbout_toplevel_data, sdbout_parms, sdbout_reg_parms,
5462         sdbout_global_decl): Likewise.
5463         * simplify-rtx.c (simplify_subreg): Likewise.
5464         * stmt.c (expand_asm_operands, expand_expr_stmt_value, expand_decl,
5465         expand_anon_union_decl, expand_end_case_type): Likewise.
5466         * unroll.c (calculate_giv_inc): Likewise.
5467         * var-tracking.c (stack_adjust_offset_pre_post,
5468         bb_stack_adjust_offset, track_expr_p, count_uses, add_uses,
5469         add_stores, compute_bb_dataflow, vt_get_decl_and_offset,
5470         vt_add_function_parameters): Likewise.
5471         * varasm.c (make_var_volatile, notice_global_symbol,
5472         assemble_external, decode_addr_const, mark_weak,
5473         default_encode_section_info): Likewise.
5474
5475 2004-07-01  Steven Bosscher  <stevenb@suse.de>
5476
5477         * stmt.c (check_seenlabel): Remove.
5478         (pushcase, pushcase_range, expand_end_case_type): Don't call it.
5479
5480 2004-07-01  Richard Henderson  <rth@redhat.com>
5481
5482         * function.h (struct function): Remove x_function_call_count.
5483         (function_call_count): Remove.
5484         * calls.c (expand_call): Don't set it.
5485         * integrate.c (copy_rtx_and_substitute): Likewise.
5486
5487         * function.h (struct function): Remove x_cleanup_label.
5488         (cleanup_label): Remove.
5489         * stmt.c (expand_value_return): Don't use it.
5490         * function.c (free_after_compilation): Don't set it.
5491         (expand_function_start): Likewise.  Remove parms_have_cleanups arg.
5492         * cfgexpand.c (tree_expand_cfg): Update call.
5493         * tree.h (expand_function_start): Update decl.
5494
5495 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
5496
5497         PR c/1027
5498         * c-lang.c (c_initialize_diagnostics): Move from here ...
5499         * c-objc-common.c: ... to here.  Include "c-pretty-print.h".
5500         (c_tree_printer): Use pretty-printer to format %T.
5501         * c-pretty-print.c (pp_c_specifier_qualifier_list): Include space
5502         before '*' if not C++.
5503         (pp_c_direct_abstract_declarator): Don't try to print array upper
5504         bound for flexible array members.
5505         * c-tree.h: Include "diagnostic.h".
5506         (c_initialize_diagnostics): Declare.
5507         * objc/objc-lang.c (LANG_HOOKS_INITIALIZE_DIAGNOSTICS): Define.
5508         * c-format.c (format_type_warning): New function.  Improve
5509         diagnostics for incorrect format argument types.
5510         (check_format_types): Use it.  Add two parameters.  Use the
5511         TYPE_MAIN_VARIANT of wanted_type.
5512         (check_format_info_main): Pass new parameters to
5513         check_format_types.
5514         (struct format_wanted_type): Update comment.
5515
5516 2004-07-01  Nick Clifton  <nickc@redhat.com>
5517
5518         * target.h (struct gcc_target): Add new field to struct cxx:
5519         import_export_class.
5520         * target-def.h (TARGET_CXX): Initialise the new field.
5521         (TARGET_CXX_IMPORT_EXPORT_CLASS): Provide a default value for
5522         the new field.
5523         * doc/tm.texi: Document the new target hook.
5524
5525 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
5526
5527         * builtins.c (fold_builtin_classify): Fix typo.
5528
5529 2004-07-01  Richard Henderson  <rth@redhat.com>
5530
5531         * function.c (identify_blocks, identify_blocks_1): Remove.
5532         * function.h (identify_blocks): Remove.
5533         * rtl.h (NOTE_INSN_BLOCK_BEG): Update comment.
5534
5535 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
5536
5537         * builtins.c (fold_builtin_classify): New.
5538         (fold_builtin_unordered_cmp): Fix commentary.
5539         (fold_builtin): Use it.
5540         * builtins.def: Define builtins for isnan,
5541         isnanf, isnanl, finite, finitef, finitel,
5542         isinf, isinff, isinfl.
5543
5544 2004-07-01  Richard Henderson  <rth@redhat.com>
5545
5546         * function.h (struct function): Remove dont_emit_block_notes.
5547         * gimple-low.c (lower_function_body): Don't set it.
5548         * cfgexpand.c (expand_block): Don't check it.
5549         * cfglayout.c (insn_locators_initialize): Likewise.
5550         * expr.c (expand_expr_real, expand_expr_real_1): Likewise.
5551         * passes.c (rest_of_compilation): Likewise.
5552         * stmt.c (expand_start_bindings_and_block): Likewise.
5553         (expand_end_bindings): Likewise.
5554
5555 2004-07-01  Richard Henderson  <rth@redhat.com>
5556
5557         * cgraph.h (cgraph_build_static_cdtor): Declare.
5558         * cgraphunit.c (cgraph_build_static_cdtor): New.
5559         * c-objc-common.c (build_cdtor): Use it.
5560         * coverage.c (create_coverage): Likewise.
5561         * libfuncs.h (LTI_gcov_init, gcov_init_libfunc): Remove.
5562         * optabs.c (init_optabs): Don't set gcov_init_libfunc.
5563
5564 See ChangeLog.11 for earlier changes.