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2004-07-23 Matthias Klose <doko@debian.org>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2004-07-23  Matthias Klose  <doko@debian.org> 
2  
3         intl.c (gcc_init_libintl): Use PACKAGE for the text domain. 
4         configure.ac: Add AC_DEFINE_UNQUOTED for PACKAGE. 
5         config.h: Regenerate.
6         configure: Likewise. 
7
8 2004-07-22  Mark Mitchell  <mark@codesourcery.com>
9
10         * dwarf2out.c (output_call_frame_info): Set SYMBOL_FLAG_LOCAL on
11         generated SYMBOL_REFs for labels.
12         * config/darwin-protos.h (machopic_validate_stub_or_non_lazy_ptr):
13         Change prototype.
14         (machopic_stub_name): Remove.
15         (machopic_indirection_name): New function.
16         (machopic_mcount_stub_name): Likewise.
17         (machopic_classify_name): Remove.
18         (machopic_function_base_sym): New function.
19         (machpoic_classify_symbol): Likewise.
20         (machopic_classify_ident): Remove.
21         (machopic_define_ident): Likewise.
22         (machopic_define_name): Likewise.
23         (machopic_name_defined_p): Likewise.
24         (machopic_ident_defined_p): Likewise.
25         (darwin_strip_name_encoding): Likewise.
26         (machopic_define_symbol): New function.
27         * config/darwin.c (hashtab.h): Include.
28         (machopic_defined_list): Remove.
29         (machopic_classify_ident): Likewise.
30         (machopic_classify_name): Likewise.
31         (machopic_ident_defined_p): Likewise.
32         (machopic_define_ident): Likewise.
33         (machopic_define_name): Likewise.
34         (machopic_symbol_defined_p): New function.
35         (machopic_classify_symbol): Likewise.
36         (machopic_data_defined_p): Use machopic_classify_symbol.
37         (machopic_define_symbol): New function.
38         (machopic_function_base_sym): New function.
39         (machopic_non_lazy_pointers): Remove.
40         (machopic_non_lazy_ptr_name): Likewise.
41         (machopic_stubs): Likewise.
42         (machopic_stub_name): Likewise.
43         (NON_LAZY_POINTER_SUFFIX): New macro.
44         (STUB_SUFFIX): Likewise.
45         (machopic_indirection): New structure.
46         (machopic_indirections): New variable.
47         (machopic_indirection_hash): New function.
48         (machopic_indirection_eq): Likewise.
49         (machopic_indirection_name): Likewise.
50         (machopic_mcount_stub_name): New function.
51         (machopic_validate_stub_or_non_lazy_pointer): Reimplement to use
52         hash table.
53         (machopic_indirect_data_reference): Rework to use new functions.
54         (machopic_indirect_call_target): Likewise.
55         (machopic_legitimize_pic_address): Likewise.
56         (machopic_output_indirection): New function.
57         (machopic_finish): Use it.
58         (machopic_operand_p): Rework to use new functions.
59         (darwin_encode_seciton_info): Use SYMBOL_REF_FLAGS.
60         (darwin_strip_name_encoding): Remove.
61         (update_non_lazy_ptrs): Remove.
62         (update_stubs): Likewise.
63         (darwin_non_lazy_pcrel): Use new functions.
64         * config/darwin.h (ASM_DECLARE_OBJECT_NAME): Likewise.
65         (ASM_OUTPUT_LABELREF): Likewise.
66         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
67         (MACHO_SYMBOL_FLAG_VARIABLE): New macro.
68         (MACHO_SYMBOL_FLAG_DEFINED): Likewise.
69         (TARGET_STRIP_NAME_ENCODING): Do not use
70         darwin_strip_name_encoding.
71         (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Do not use
72         darwin_strip_name_encoding.
73         * config/i386/darwin.h (FUNCTION_PROFILER): Use
74         machopic_mcount_stub_name.
75         * config/i386/i386.c (x86_output_mi_thunk): Use
76         machopic_indirection_name, not machopic_stub_name.
77         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Use
78         machopic_function_base_sym.
79         (print_operand): Use machopic_classify_symbol.
80         (rs6000_emit_prologue): Use machopic_function_base_sym.
81         (output_profile_hook): Do not use machopic_stub_name.
82         (macho_branch_isalnds): Do not use darwin_strip_name_encoding.
83         
84 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
85
86         PR c/7284
87         * fold-const.c (extract_muldiv_1): Do not treat signed left shift
88         as multiplication.
89
90 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
91
92         * doc/implement-c.texi: New file.
93         * doc/extend.texi (C Implementation): Move to there.
94         * doc/gcc.texi: Include implement-c.texi.
95         * Makefile.in (TEXI_GCC_FILES): Add implement-c.texi.
96
97 2004-07-22  Jason Merrill  <jason@redhat.com>
98
99         * integrate.c (copy_decl_for_inlining): Remove invisible reference
100         handling.
101         * tree-inline.c (setup_one_parameter): Likewise.
102
103 2004-07-22  Brian Booth  <bbooth@redhat.com>
104
105         * tree-ssa-ccp.c (latticevalue): Add UNKNOWN_VAL.
106         (substitute_and_fold): Propigate into VUSE operands when possible.
107         (visit_phi_node): Handle UNKNOWN_VAL latticevalue.
108         (cp_lattice_meet): Handle merging of latticevalues when 
109         UNKNOWN_VAL is present.
110         (visit_stmt): Visit assignments with V_MUST_DEFs.
111         (visit_assignment): Gather ccp information for V_MUST_DEF operands.
112         (ccp_fold): Deal with RHS' that are constant and virtual.
113         (evaluate_stmt): Handle UNKNOWN_VAL likely values.
114         (dump_lattice_value): Dump UNKNOWN_VAL latticevalues.
115         (initialize): Mark statements with V_MUST_DEFs as VARYING only if the
116         V_MUST_DEF operand is VARYING. Fix comment and include VOPS when 
117         computing immediate uses.
118         (set_lattice_value): Disallow a UNKNOWN_VAL->UNDEFINED state 
119         transition.
120         (replace_vuse_in): New function.
121         (likely_value): Add check of vuse operands.
122         (get_default_value): Set the default value of virtually defined 
123         variables to UKNOWN_VAL instead of VARYING.
124
125 2004-07-22  Richard Henderson  <rth@redhat.com>
126
127         * expr.c (emit_push_insn): Don't use set_mem_attributes.
128
129 2004-07-22  Richard Henderson  <rth@redhat.com>
130
131         * tree-ssa-live.c (create_ssa_var_map): Avoid defined-but-not-used
132         variables due to conditional compilation.
133
134 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
135
136         * tree-into-ssa.c (set_livein_block): Fix typo in comment.
137         (rewrite_ssa_into_ssa): Start iterating over SSA names at 1.
138         Release SSA names that have been re-renamed.
139         * tree-phinodes.c (make_phi_node): Set same TREE_TYPE as the
140         variable.
141         * tree-ssa-alias.c (init_alias_info): If aliases have been
142         computed before, clear existing alias information.
143         (create_name_tags): Do no fixup PT_ANYTHING pointers.
144         If the new name tag for a pointer is different than the one it
145         had before, mark the old tag for renaming.
146         (replace_may_alias): New function.
147         (group_aliases): Call it.
148         (setup_pointers_and_addressables): Always call get_tmt_for.
149         (maybe_create_global_var): Don't create .GLOBAL_VAR more than
150         once.
151         (set_pt_anything): New local function.
152         (set_pt_malloc): New local function.
153         (merge_pointed_to_info): Don't merge pointed-to variables from
154         the original pointer if the destination is pointing to an
155         unknown location.
156         (add_pointed_to_expr): Call set_pt_anything and set_pt_malloc.
157         (add_pointed_to_var): Do not add a variable to the points-to
158         set if the pointer is already pointing to anywhere.
159         (collect_points_to_info_r): If the defining statement is a PHI
160         node, only merge pointed-to information if the argument has
161         already been visited.
162         (get_tmt_for): Only create a new tag if the pointer didn't
163         have one already.
164         (dump_alias_info): Emit more information.
165         (dump_points_to_info_for): Likewise.
166         * tree-ssa-dom.c (redirect_edges_and_update_ssa_graph): Don't
167         try to get the annotation of an SSA_NAME.
168         * tree-ssa-operands.c (add_stmt_operand): Only check for empty
169         alias sets when checking is enabled.
170         * tree-ssa-pre.c (need_eh_cleanup): New local variable.
171         (eliminate): Mark basic blocks that will need
172         EH information cleaned up.
173         (init_pre): Split ENTRY_BLOCK->0 if block 0 has more than one
174         predecessor.
175         Initialize need_eh_cleanup.
176         (fini_pre): Call tree_purge_all_dead_eh_edges and
177         cleanup_tree_cfg if needed.
178         Free need_eh_cleanup.
179         * tree-ssa.c (verify_ssa_name): New function.
180         (verify_def): Call it.
181         Re-arrange to avoid printing too many error messages.
182         (verify_use): Likewise.
183         (verify_phi_args): Likewise.
184         (verify_flow_insensitive_alias_info): New function.
185         (verify_flow_sensitive_alias_info): New function.
186         (verify_alias_info): New function.
187         (verify_ssa): Call verify_alias_info.
188         Clear TREE_VISITED on all the SSA_NAMEs before scanning the
189         program.
190         Re-arrange to avoid printing too many error messages.
191         * tree-ssanames.c (make_ssa_name): Clear
192         SSA_NAME_IN_FREE_LIST.
193         (release_ssa_name): Never release a default definition.
194         (release_defs): New function.
195         * tree.h: Declare it.
196         * tree-ssa-dce.c (remove_dead_stmt): Call it.
197
198 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
199
200         * tree-ssa.c (walk_use_def_chains_1): Add new argument IS_DFS.
201         If true, do a depth-first search.  Do a breadht-first search,
202         otherwise.
203         (walk_use_def_chains): Add new argument IS_DFS.
204         Update all users.
205         * tree-flow.h (walk_use_def_chains): Update prototype.
206
207 2004-07-22  Hans-Peter Nilsson  <hp@axis.com>
208
209         * config/cris/cris.md: Tweak formatting.
210         (asrandb, asrandw, lsrandb, lsrandw, moversideqi, movemsideqi)
211         (mover2side, moverside, movemside, movei, op3, andu): Replace
212         live define_peephole:s with define_peephole2 near-equivalents.
213         Delete the rest.
214         ("*mov_sidesisf_biap"): Rename from "*mov_sidesi_biap".  Match all
215         word-size modes.
216         ("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"):
217         Similar for "*mov_sidesi", "*mov_sidesi_biap_mem" and
218         "*mov_sidesi_mem" respectively.
219
220 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
221
222         * tree-cfg.c (gimplify_val): Move from tree-complex.c.
223         (gimplify_build1): Move from tree-complex.c do_unop.
224         (gimplify_build2): Move from tree-complex.c do_binop.
225         (gimplify_build3): New.
226         * tree-complex.c (gimplify_val, do_unop, do_binop): Remove.
227         Adjust throughout to call the functions above.
228         * tree-flow.h: Declare the functions above.
229         * tree-nested.c (gimplify_val): Rename to...
230         (tsi_gimplify_val): ... this.
231
232         * Makefile.in (tree_complex.o): Update dependencies.
233         (stor-layout.o): Depend on regs.h.
234         * c-common.c (handle_vector_size_attribute): Update for
235         vector types without corresponding vector modes.
236         * expr.c (expand_expr): Treat VECTOR_CST's like CONSTRUCTORS if
237         a corresponding vector mode is not available.
238         * print-tree.c (print_node): Print nunits for vector types
239         * regclass.c (have_regs_of_mode): New.
240         (init_reg_sets_1): Initialize it and use it instead
241         of allocatable_regs_of_mode.
242         * regs.h (have_regs_of_mode): Declare it.
243         * stor-layout.c (layout_type): Pick a mode for vector types.
244         * tree-complex.c (build_word_mode_vector_type, tree_vec_extract,
245         build_replicated_const, do_unop, do_binop, do_plus_minus,
246         do_negate, expand_vector_piecewise, expand_vector_parallel,
247         expand_vector_addition, expand_vector_operations_1,
248         expand_vector_operations, tree_lower_operations,
249         pass_lower_vector_ssa, pass_pre_expand): New.
250         (expand_complex_operations, pass_lower_complex): Remove.
251         * tree-optimize.c (init_tree_optimization_passes): Adjust
252         pass ordering for changes in tree-complex.c.
253         * tree-pass.h: Declare new passes.
254         * tree.c (finish_vector_type): Remove.
255         (make_vector_type): New.
256         (build_vector_type_for_mode, build_vector_type): Rewritten.
257         * tree.def (VECTOR_TYPE): Document where the number of
258         subparts is stored.
259         * tree.h (TYPE_VECTOR_SUBPARTS): Use TYPE_PRECISION field.
260         (make_vector): Remove declaration.
261
262 2004-07-21  Richard Henderson  <rth@redhat.com>
263
264         * gimple-low.c (expand_var_p): Don't look at TREE_ADDRESSABLE,
265         TREE_THIS_VOLATILE, may_aliases, or optimization level.
266         (remove_useless_vars): Dump debugging info.
267         (expand_used_vars): Move ...
268         * cfgexpand.c (expand_used_vars): ... here.  Make static.
269         * tree-flow-inline.h (set_is_used): New.
270         (set_default_def): Use get_var_ann.
271         * tree-flow.h: Update decls.
272         * tree-ssa-live.c (mark_all_vars_used_1, mark_all_vars_used): New.
273         (create_ssa_var_map): Use it.
274         * tree-ssa.c (set_is_used): Remove.
275
276 2004-07-22  Ben Elliston  <bje@au.ibm.com>
277
278         * gdbinit.in: Set a breakpoint on internal_error.
279
280 2004-07-21  Richard Henderson  <rth@redhat.com>
281
282         * cfgexpand.c (expand_gimple_tailcall): Fix case where we need
283         to create a new basic block.
284
285 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
286
287         PR c/15052
288         * c-decl.c (grokdeclarator): Only pedwarn for qualified void
289         return type on function definitions.  Move other warnings for
290         qualified return type to -Wreturn-type.  Do not condition any such
291         warnings on -pedantic.  Update comments.
292         (start_function): Only copy function type from previous prototype
293         declaration if return types are compatible.
294         * c-typeck.c (function_types_compatible_p): Don't condition
295         warning for incompatibility of volatile qualifiers on the return
296         type on -pedantic.  Update comment.
297         * doc/invoke.texi (-Wreturn-type, -Wextra): Update.
298
299 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
300
301         * c-typeck.c (set_init_index): Require designator to be of integer
302         type.
303
304 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
305
306         PR c/11250
307         * c-parse.in (init): Change to exprtype.
308         (primary): Set original_code for STRING to STRING_CST.
309         Call maybe_warn_string_init for compound literals.
310         (initdcl, notype_initdcl): Call maybe_warn_string_init.
311         (initval): Update.
312         * c-tree.h (maybe_warn_string_init): New.
313         (pop_init_level, process_init_element): Use struct c_expr.
314         (struct c_expr): Update comment.
315         * c-typeck.c (maybe_warn_string_init): New function.
316         (digest_init): Call it.  Additional parameter strict_string.  All
317         callers changed.
318         (output_init_element): Likewise.
319         (struct constructor_stack): Use struct c_expr for
320         replacement_value.
321         (really_start_incremental_init, push_init_level): Update.
322         (pop_init_level): Update.  Return struct c_expr.
323         (process_init_level): Update.  Take struct c_expr argument.
324
325 2004-07-21  David S. Miller  <davem@nuts.davemloft.net>
326
327         * config/sparc/sparc.c (sparc_rtx_costs): Fix typo in previous
328         commit.
329
330 2004-07-21  Eric Christopher  <echristo@redhat.com>
331
332         * builtins.c (expand_builtin_setjmp_receiver): Fix comment for code
333         removal.
334         * c-decl.c (pop_scope): Ditto.
335         * calls.c (expand_call): Remove call to current_nesting_level,
336         update comment accordingly. Remove calls to expand_start_target_temps
337         and expand_end_target_temps.
338         * cfgexpand.c (construct_init_block): Remove call to
339         expand_start_bindings_and_block.
340         (construct_exit_block): Remove call to expand_end_bindings.
341         * expr.c (safe_from_p): Remove BIND_EXPR handling.
342         (expand_expr_real_1): Ditto. Fix formatting.
343         (expand_vars): Delete.
344         * stmt.c (POPSTACK): Remove block_stack.
345         (stmt_status): Remove x_block_stack.
346         (block_stack): Delete.
347         (expand_start_bindings_and_block): Ditto.
348         (expand_start_target_temps): Ditto.
349         (expand_end_target_temps): Ditto.
350         (current_nesting_level): Ditto.
351         (warn_about_unused_variables): Ditto.
352         (expand_end_bindings): Ditto.
353         * tree.h: Remove declarations for above.
354
355 2004-07-21  Steven Bosscher  <stevenb@suse.de>
356
357         * rtl.h (insn_note): Remove NOTE_INSN_PREDICTION.
358         * rtl.c (note_insn_name): Likewise.
359         * print-rtl.c (print_rtx): Don't print it.
360         * cfgrtl.h (can_delete_note_p): Don't handle it.
361         (rtl_delete_block): Likewise.
362         * passes.c (rest_of_handle_guess_branch_prob): Remove.
363         (rest_of_compilation): Don't call it.
364         * predict.c (process_note_predictions, process_note_prediction,
365         note_prediction_to_br_prob): Remove.
366         * basic-block.c (note_prediction_to_br_prob): Remove prototype.
367         * stmt.c (return_prediction): Remove.
368         (expand_value_return): Don't call it.  Don't add prediction
369         notes for return statements.
370
371 2004-07-21  Josef Zlomek  <zlomekj@suse.cz>
372
373         * var-tracking.c (vt_find_locations): Set the in_pending bitmap at
374         once.
375
376 2004-07-21  Paolo Bonzini  <bonzini@gnu.org>
377
378         * c-common.c (vector_types_convertible_p): Use vector types'
379         TYPE_SIZE and TREE_TYPE instead of their mode.
380         * convert.c (convert_to_integer): Likewise.
381         (convert_to_vector): Likewise.
382         * fold-const.c (fold_convert): Likewise.
383         * varasm.c (output_constant): Likewise.
384         * expr.c (store_constructor): Split ARRAY_TYPE and VECTOR_TYPE.
385         Allow a VECTOR_TYPE initializer to be made of several vectors.
386         For ARRAY_TYPEs and VECTOR_TYPES, simplify a bit the handling
387         of cleared and need_to_clear, and use fold_convert.
388         * c-typeck.c (build_binary_op): Do not use RDIV_EXPR for
389         integer vectors.
390
391 2004-07-20  Richard Henderson  <rth@redhat.com>
392
393         * cfgexpand.c (expand_gimple_cond_expr, expand_gimple_tailcall): Split,
394         (expand_gimple_basic_block): out from here.  Renamed from expand_block.
395
396 2004-07-20  David S. Miller  <davem@nuts.davemloft.net>
397
398         * config/sparc/sparc.c (sparc_rtx_costs case MULT): Emit
399         enormous cost if not TARGET_HARD_MUL.
400
401 2004-07-20  Andrew Pinski  <apinski@apple.com>
402
403         PR target/16557
404         * config/i386/darwin.h (CC1_SPEC): Move the -g SPECs from ...
405         (ASM_SPEC): here.
406
407 2004-07-21  Paul brook  <paul@codesourcery.com>
408
409         * config/arm/arm.c (thumb_expand_prologue): Remove bogus GEN_INT.
410
411 2004-07-20  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
412
413         * fold-const.c (operand_equal_p): Temporarily support NULL args.
414         (operand_equal_p, case ARRAY_REF): Compare args 2 and 3.
415         (operand_equal_p, case COMPONENT_REF): Likewise, for arg 2.
416
417 2004-07-20  Zack Weinberg  <zack@codesourcery.com>
418
419         * rtl.h (plus_constant): Delete.
420         (plus_constant_wide): Rename to plus_constant.
421         (plus_constant_for_output_wide): Delete vestigial prototype.
422         (GEN_INT): Remove unnecessary cast.
423         * tree.h (build_int_2, size_int_type): Delete.
424         (build_int_2_wide): Rename to build_int_2.
425         (size_int_wide): Rename to size_int_kind.
426         (size_int_type_wide): Rename to size_int_type.
427         (size_int, ssize_int, bitsize_int, sbitsize_int): Use size_int_kind.
428         Remove unnecessary cast.
429         * tree.c (build_int_2_wide): Rename build_int_2; update comment.
430         * explow.c (plus_constant_wide): Rename plus_constant; update comment.
431         * fold-const.c (size_int_wide): Rename size_int_kind. Use size_int_type.
432         (size_int_type_wide): Rename size_int_type.
433         (int_const_binop): Use size_int_type.
434         * c-lex.c (interpret_integer): Use build_int_2.
435         * final.c (split_double): Remove unnecessary casts.
436         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use build_int_2.
437
438 2004-07-20  Richard Henderson  <rth@redhat.com>
439
440         * gimplify.c (is_gimple_tmp_var): Move to tree-gimple.c.
441         (gimplify_compound_lval): Use is_gimple_tmp_reg.
442         * tree-gimple.c (is_gimple_tmp_var): Move from gimplify.c.
443         (is_gimple_tmp_reg): New.
444         * tree-gimple.h (is_gimple_tmp_reg): Declare.
445
446 2004-07-20  Richard Henderson  <rth@redhat.com>
447
448         * tree-pretty-print.c (dump_generic_node): Dump
449         CALL_EXPR_HAS_RETURN_SLOT_ADDR.
450
451 2004-07-20  Frank Ch. Eigler  <fche@redhat.com>
452
453         * tree-mudflap.c (mf_set_options_fndecl): New tree.
454         (mudflap_init): Set it.
455         (mudflap_register_call): Remove __mf_init call.
456         (mudflap_finish_file): Emit call to __mf_init here.  Emit a call to
457         to pass "-ignore-reads" option to libmudflap if needed.
458
459 2004-07-20  John David Anglin  <dava.anglin@nrc-cnrc.gc.ca>
460
461         PR c++/14607
462         * config/pa/pa-hpux10.h (SUPPORTS_ONE_ONLY): Define.
463         (MAKE_DECL_ONE_ONLY): Undefine.
464         * pa-protos.h (som_text_section_asm_op, one_only_readonly_data_section,
465         readonly_data, one_only_data_section, forget_section): New prototypes.
466         * pa.c (pa_init_machine_status, som_text_section_asm_op): New
467         functions.
468         (pa_select_section): Add one-only (COMDAT) support.
469         * pa.h (struct machine_function): Define.
470         * som.h (ASM_OUTPUT_FUNCTION_PREFIX): Delete.
471         (TEXT_SECTION_ASM_OP): Call som_text_section_asm_op.
472         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
473         ONE_ONLY_TEXT_SECTION_ASM_OP, ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
474         ONE_ONLY_DATA_SECTION_ASM_OP): New defines.
475         (EXTRA_SECTIONS): Add in_one_only_readonly_data and in_one_only_data.
476         (EXTRA_SECTION_FUNCTIONS): Rework to use individual function macros.
477         (READONLY_DATA_FUNCTION, ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
478         ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): New defines
479         for EXTRA_SECTION_FUNCTIONS.
480         * doc/install.texi: Update binutils requirements.
481
482 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
483
484         * vec.h (VEC_T_length, VEC_T_index, VEC_T_iterate, VEC_T_truncate,
485         VEC_T_replace, VEC_T_quick_insert, VEC_T_safe_insert,
486         VEC_T_ordered_remove, VEC_T_unordered_remove): Use unsigned, not
487         size_t.
488         (struct VEC): Use unsigned for num and alloc.
489         * vec.c (struct vec_prefix): Likewise.
490         (vec_o_reserve): Adjust.
491
492         * dbxout.c (dbxout_type): Fix printf format.
493
494         * tree.h (binfo_member): Remove.
495         * tree.c (binfo_member): Remove.
496
497 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
498
499         * tree.h: Include vec.h
500         (DEF_VEC_P(tree)): New type.
501         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): Adjust.
502         (BINFO_BASE_APPEND, BINFO_BASE_ITERATE): New.
503         (BINFO_LANG_SLOT): Remove.
504         (BINFO_SUBVTT_INDEX, BINFO_VPTR_INDEX, BINFO_PRIMARY_BASE_OF): New.
505         (struct tree_binfo): Turn base_binfos into a trailing
506         VEC(tree). Add vtt_subvtt, vtt_vptr, primary fields.
507         (binfo_lang_slots): Remove.
508         * tree.c (binfo_lang_slots): Remove.
509         (make_tree_binfo_stat): Take a base binfo count, not a
510         lang slot count.  Adjust.
511         * Makefile.in (TREE_H): Add vec.h
512         * alias.c (record_component_aliases): Adjust BINFO access.
513         * dbxout.c (dbxout_type): Likewise.
514         * dwarf2out.c (gen_member_die): Likewise.
515         * sdbout.c (sdbout_one_type): Likewise.
516         * tree-dump.c (deque_and_dump): Likewise.
517         * config/i386/i386.c (classify_argument,
518         contains_128bit_aligned_vector_p): Likewise.
519         * config/sh/symbian.c (symbian_export_vtable_and_rtti_p): Likewise.
520         * doc/c-tree.texi (Classes): Update BINFO documentation.
521
522 2004-07-20  Steven Bosscher  <stevenb@suse.de>
523
524         * c-common.h (check_case_value): Remove prototype.
525         (c_add_case_label): Adjust prototype.
526         * c-common.c (check_case_value): Make static.
527         (check_case_bounds): New function.
528         (c_add_case_label): Use it.  Take new argument orig_type.
529         * c-typeck.c (struct c_switch): New orig_type field.
530         (c_start_case): Set it.
531         (do_case): Pass it to c_add_case_label.
532         * expr.c (expand_expr_real_1): Don't warn for out-of-bounds
533         cases from here.  Add the labels in reverse order.
534         * stmt.c (struct case_node): Adjust comment.  Remove balance field.
535         (add_case_node): Return nothing, don't check for duplicate cases.
536         Insert new case nodes in a list, not in an AVL tree.
537         (expand_end_case_type): Don't turn a case tree into a case list.
538         (case_tree2list): Remove.
539         * tree.h (add_case_node): Adjust prototype.
540
541 2004-07-19  Paolo Bonzini  <bonzini@gnu.org>
542
543         * genattr.c (struct range, struct function_unit,
544         write_units, extend_range, init_range): Remove them.
545         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
546         Output "#define INSN_SCHEDULING" here.
547         * genattrtab.c (struct range, struct function_unit_op,
548         struct function_unit, struct dimension, enum operator,
549         operate_exp, expand_units, simplify_knowing,
550         encode_units_mask, simplify_by_exploding,
551         find_and_mark_used_attributes, unmark_used_attributes,
552         add_values_to_cover, increment_current_value,
553         test_for_current_value, simplify_with_current_value,
554         simplify_with_current_value_aux, gen_unit,
555         write_unit_name, write_function_unit_info,
556         write_complex_function, write_toplevel_expr,
557         find_single_value, extend_range): Remove.
558         (write_attr_get): Do not handle common_av->value
559         being an FFS.
560         (struct attr_desc): Remove func_units_p and blockage_p.
561         (write_attr_valueq): Do not handle them.
562         (find_attr): Do not clear them.
563         (make_internal_attr): Do not initialize them.
564         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
565         * sched-vis.c (init_target_units, insn_print_units,
566         init_block_visualization, print_block_visualization,
567         visualize_scheduled_insns, visualize_no_unit,
568         visualize_stall_cycles, visualize_alloc,
569         visualize_free, target_units, get_visual_tbl_length,
570         MAX_VISUAL_LINES, INSN_LEN, n_visual_lines,
571         visual_tbl_line_length, visual_tbl, n_vis_no_unit,
572         MAX_VISUAL_NO_UNIT, vis_no_unit): Remove.
573         * haifa-sched.c (blockage_range, clear_units,
574         schedule_unit, actual_hazard, potential_hazard,
575         insn_unit, unit_last_insn, unit_tick,
576         actual_hazard_this_instance, potential_hazard,
577         schedule_unit, max_insn_queue_index_value): Remove.
578         (MAX_INSN_QUEUE_INDEX): Removed, renamed throughout to
579         max_insn_queue_index.
580         * rtl.def (DEFINE_FUNCTION_UNIT): Remove.
581         * doc/md.texi (Processor pipeline description): Remove
582         references to old pipeline descriptions.
583         (Automaton pipeline description): Merge with the above.
584         (Old pipeline description, Comparison of the two descriptions):
585         Remove.
586
587         * bt-load.c (migrate_btr_def): Remove references to
588         use_pipeline_interface.
589         * haifa-sched.c (insn_cost, schedule_insn,
590         schedule_block, advance_one_cycle, sched_init,
591         queue_to_ready, sched_finish): Likewise.
592         * modulo-sched.c (sms_schedule, advance_one_cycle,
593         ps_has_conflicts): Likewise.
594         * sched-rgn.c (init_ready): Likewise.
595         (debug_dependencies): Likewise, and remove an "if (1)".
596         * target.h (use_dfa_pipeline_interface): Remove.
597         * config/alpha/alpha.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
598         * config/arc/arc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
599         * config/arm/arm.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
600         * config/c4x/c4x.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
601         * config/frv/frv.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
602         * config/i386/i386.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
603         * config/ia64/ia64.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
604         * config/iq2000/iq2000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
605         * config/m32r/m32r.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
606         * config/mcore/mcore.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
607         * config/mips/mips.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
608         * config/pa/pa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
609         * config/rs6000/rs6000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
610         * config/s390/s390.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
611         * config/sh/sh.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
612         * config/sparc/sparc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
613         * config/v850/v850.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
614         * config/xtensa/xtensa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
615         * doc/tm.texi (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
616
617 2004-07-19  Roger Sayle  <roger@eyesopen.com>
618
619         * rtlanal.c (reg_set_p): Add check for regs_invalidated_by_call.
620
621 2004-07-19  Jeff Law  <law@redhat.com>
622
623         * tree-ssa-dom.c (single_incoming_edge_ignoring_loop_edges): New.
624         (get_eq_expr_value): Use it.  Simplify slightly.
625
626 2004-07-19  Maciej W. Rozycki  <macro@linux-mips.org>
627
628         * config/mips/mips.md (mulsidi3_32bit_r4000): Fix the clobber list.
629         (umulsidi3_32bit_r4000): Likewise.
630
631 2004-07-19  Nathan Sidwell  <nathan@codesourcery.com>
632
633         * vec.h: Propagate location information properly.
634         (VEC_T_iterate): Add result pointer parameter.
635         (VEC_T_space): New.
636         (VEC_T_reserve): Use it.
637
638 2004-07-19  Daniel Jacobowitz  <dan@debian.org>
639
640         * Makefile.in (c-format.o): Depend on c-format.h.
641         * c-format.h: New file.
642         (struct format_char_info): Add CHAIN member.
643         * c-format.c: Move some types and constants to c-format.h.
644         (format_type_error): Set to -1.
645         (struct function_format_info): Use an int for format_type.
646         (decode_format_type): Return an int.  Return format_type_error
647         on error.
648         (print_char_table, asm_fprintf_char_table, gcc_diag_char_table)
649         (gcc_diag_char_table, gcc_cdiag_char_table, gcc_cxxdiag_char_table)
650         (scan_char_table, time_char_table, monetary_char_table): Initialize
651         CHAIN to NULL.
652         (n_format_types): New variable.
653         (check_format_info_main): Handle CHAIN in format_char_info.
654         (handle_format_attribute): Handle TARGET_FORMAT_TYPES and
655         TARGET_N_FORMAT_TYPES.
656         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
657         (sparc-*-solaris2*): Include config/t-sol2 and config/sol2-c.c.
658         * config/sol2-c.c: New file.
659         * config/t-sol2: New file.
660         * config/sol2.h (TARGET_N_FORMAT_TYPES, TARGET_FORMAT_TYPES): Define.
661         * config/sparc/elf.h, config/sparc/sp64-elf.h: Undefine
662         TARGET_N_FORMAT_TYPES and TARGET_FORMAT_TYPES.
663
664         * doc/extend.texi (Target Format Checks): New section.
665         (Function Attributes): Mention it.
666         * doc/invoke.texi: Mention target format checks.
667         * doc/sourcebuild.texi: Mention target format checks.
668         * dc/tm.texi (Misc): Document TARGET_N_FORMAT_TYPES and
669         TARGET_FORMAT_TYPES.
670
671 2004-07-19  Andreas Krebbel  <krebbel1@de.ibm.com>
672
673         * config/s390/s390-protos.h (s390_return_address_offset): Prototype
674         added.
675         * config/s390/s390.c (regclass_map initializer): Register 35 added to
676         ADDR_REGS.
677         (load_multiple_operation, store_multiple_operation): Removed
678         pointless sanity check.
679         (s390_decompose_address): Added check for return_address_pointer_rtx.
680         (s390_return_addr_rtx): Use return_address_pointer_rtx for count == 0.
681         (s390_return_address_offset): New function.
682         * config/s390/s390.h (FIRST_PSEUDO_REGISTER): Increased to 36.
683         (FRAME_REGNO_P): Added check for register 35.
684         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS,
685         REG_ALLOC_ORDER): Appended entry for register 35.
686         (REG_CLASS_CONTENTS): Adjusted class masks for register 35.
687         (EH_RETURN_HANDLER_RTX): Use return_address_pointer_rtx.
688         (RETURN_ADDRESS_POINTER_REGNUM): New macro.
689         (ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET): Return address pointer
690         is eliminable using stack pointer or hard frame pointer.
691         (REGISTER_NAMES): Added name for register 35.
692         * config/s390/s390.md ("load_multiple", "store_multiple"): Removed
693         pointless sanity check.
694
695 2004-07-19  Roger Sayle  <roger@eyesopen.com>
696
697         * fold-const.c (tree_expr_nonzero_p): Add function prototype.
698         (fold) <EQ_EXPR>: Move tree_expr_nonzero_p optimization from
699         fold_relational_const to here, i.e. "(x | 5) == 0" -> false.
700         (fold) (UNEQ_EXPR>: Add optimizations for unordered comparisons
701         of the form "x op x" where op is UNLE, UNGE, UNEQ or LTGT.
702         (fold_relational_const): Tidy up handling of floating point
703         comparisons by calling real_compare.  Remove tree_expr_nonzero_p
704         transformation; fold_relational_const assumes constant operands.
705
706 2004-07-19  Gabriel Dos Reis  <gdr@integrable-solution.net>
707
708         * doc/sourcebuild.texi: Add libcpp, now that CPP has its own
709         directory.
710
711 2004-07-19  Joseph S. Myers  <jsm@polyomino.org.uk>
712
713         * c-tree.h (struct c_expr): Define.
714         (C_SET_EXP_ORIGINAL_CODE): Remove.
715         (parser_build_binary_op, build_compound_expr): Update prototypes.
716         * c-parse.in (%union): Add exprtype.
717         (FUNC_NAME): Mark as ttype.
718         (expr, expr_no_commas, cast_expr, unary_expr, primary): Change to
719         exprtype.
720         (expr): Update.  Define directly in terms of expr_no_commas
721         instead of using nonnull_exprlist.
722         (nonnull_exprlist, unary_expr, cast_expr, expr_no_commas, primary,
723         offsetof_member_designator, typespec_nonreserved_nonattr, init,
724         initval, designator, component_declarator,
725         component_notype_declarator, enumerator, array_declarator,
726         condition, exexpr, switch_statement, stmt_nocomp, stmt,
727         nonnull_asm_operands, ivar_declarator, receiver): Update.  Don't
728         set C_EXP_ORIGINAL_CODE.  Use TREE_NO_WARNING for assignments
729         where appropriate.
730         * c-common.h (C_EXP_ORIGINAL_CODE): Remove.
731         * c-common.c (c_common_truthvalue_conversion): Don't check
732         C_EXP_ORIGINAL_CODE.
733         * c-typeck.c (parser_build_binary_op): Use c_expr structures.
734         Don't use C_EXP_ORIGINAL_CODE.
735         (default_conversion, default_function_array_conversion): Don't use
736         C_EXP_ORIGINAL_CODE.  Preserve TREE_NO_WARNING.
737         (internal_build_compound_expr): Merge into build_compound_expr.
738         (build_compound_expr): Take two operands instead of a TREE_LIST.
739         * objc/objc-act.c (get_super_receiver): Update calls to
740         build_compound_expr.
741
742 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
743
744         * config/sh/sh.c (sh_use_dfa_interface): Remove.
745         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Set to
746         hook_int_void_1.
747         * config/sh/sh.md: Extract pipeline descriptions
748         into separate files.
749         * config/sh/sh1.md: New file, extracted from sh.md.
750         * config/sh/sh4.md: New file, extracted from sh.md.
751         * config/sh/shmedia.md: New file, extracted from sh.md
752         and rewritten using new-style pipeline description.
753
754 2004-07-18  Zack Weinberg  <zack@codesourcery.com>
755
756         * config/pa/pa.md: Delete the two remaining define_peephole
757         patterns.
758
759 2004-07-18  Steven Bosscher  <stevenb@suse.de>
760             Joseph S. Myers  <jsm@polyomino.org.uk>
761
762         * c-common.c (c_common_truthvalue_conversion): Don't warn if
763         TREE_NO_WARNING is set.
764
765 2004-07-18  Roger Sayle  <roger@eyesopen.com>
766
767         * builtins.c (simplify_builtin_memcmp, simplify_builtin_strcmp,
768         simplify_builtin_strncmp): Delete.
769         (fold_builtin_memcmp, fold_builtin_strcmp, fold_builtin_strncmp):
770         Change argument to accept an arglist instead of an "exp".  Assume
771         that the return type is always integer_type_node.  Copy missing
772         transformations from their now obsolete simplify_builtin_*
773         equivalents.
774         (fold_builtin_1): Pass arglist instead of exp to fold_builtin_memcmp,
775         fold_builtin_strcmp and fold_builtin_strncmp.
776         (simplify_builtin): Call fold_builtin_memcmp, fold_builtin_strcmp
777         and fold_builtin_strncmp instead of simplify_builtin_memcmp,
778         simplify_builtin_strcmp and simplify_builtin_strncmp respectively.
779
780 2004-07-18  Daniel Jacobowitz  <dan@debian.org>
781
782         * Makefile.in (tree-alias-common.o): Update dependencies.
783
784 2004-07-17  Sebastian Pop  <pop@cri.ensmp.fr>
785
786         * cfgloop.c (flow_loop_nested_p): Fix comment.
787
788 2004-07-17  Jason Merrill  <jason@redhat.com>
789
790         PR c++/16115
791         * stor-layout.c (relayout_decl): New fn.
792         * tree.h: Declare it.
793         (DECL_BY_REFERENCE): New macro.
794
795 2004-07-17  Eric Botcazou  <ebotcazou@act-europe.fr>
796
797         * libgcc2.c (__enable_execute_stack): New symbol.
798         * libgcc-std.ver (GCC_3.4.2): New version.  Inherit from GCC_3.4
799         and declare __enable_execute_stack.
800         * mklibgcc.in (lib2funcs): Add _enable_execute_stack.
801         * config/netbsd.h (NETBSD_ENABLE_EXECUTE_STACK): ANSIfy.
802         * config/sol2.h (TRANSFER_FROM_TRAMPOLINE): Rename into
803         ENABLE_EXECUTE_STACK.
804         * config/alpha/alpha.c (alpha_initialize_trampoline): Conditionalize
805         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
806         * config/alpha/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Rename into
807         ENABLE_EXECUTE_STACK.
808         * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
809         * config/i386/i386.c (x86_initialize_trampoline): Conditionalize
810         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
811         * config/i386/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Rename into
812         ENABLE_EXECUTE_STACK.
813         * config/i386/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
814         * config/i386/netbsd64.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
815         * config/sparc/freebsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
816         * config/sparc/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
817         * config/sparc/sparc.c (sparc_initialize_trampoline): Conditionalize
818         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
819         (sparc64_initialize_trampoline): Likewise.
820         * doc/tm.texi (trampolines): Add ENABLE_EXECUTE_STACK macro.
821
822 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
823
824         * langhooks.h (builtin_function): New langhook.
825         * langhooks-def.h (LANG_HOOKS_BUILTIN_FUNCTION): New.
826         (LANG_HOOKS_INITIALIZER): Update.
827         * tree.h (builtin_function): Remove.
828         * doc/tm.texi: Update.
829         * c-tree.h (builtin_function): Declare.
830         * c-common.c, config/alpha/alpha.c, config/arm/arm.c,
831         config/c4x/c4x.c, config/frv/frv.c, config/i386/i386.c,
832         config/ia64/ia64.c, config/iq2000/iq2000.c,
833         config/rs6000/rs6000.c, config/s390/s390.c, config/sh/sh.c,
834         config/stormy16/stormy16.c: All callers of builtin_function
835         changed.
836
837 2004-07-17  Andrew Pinski  <pinskia@physics.uc.edu>
838
839         PR target/16556
840         * config/i386/darwin.h (UNLIKELY_EXECUTED_TEXT_SECTION_NAME):
841         Remove white space after the backslash.
842
843 2004-07-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
844
845         PR rtl-optimization/16294
846         * resource.c (return_insn_p): New predicate.
847         (mark_target_live_regs): Use it.  Special-case return insns.
848         (init_resource_info): Use it.  Don't scan the epilogue past
849         a return.
850
851 2004-07-17  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
852
853         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Do not
854         destroy dominance information.
855         * passes.c (rest_of_handle_loop2):  Free dominance information.
856         * tree-cfg.c (cleanup_tree_cfg): Remove unreachable blocks before
857         jump threading.
858         (thread_jumps): Update dominance information and remove unreachable
859         blocks.
860         * tree-ssa-phiopt.c (replace_phi_with_stmt):  Update dominance
861         information and remove the unreachable block.
862
863 2004-07-17  Graham Stott  <graham.stott@btinternet.com>
864
865         * emit-rtl.c (reorder_insns): Don't set BB for a BARRIER insn.
866
867 2004-07-17  Toon Moene  <toon@moene.indiv.nluug.nl>
868
869         * doc/sourcebuild.texi: Remove libf2c entry.
870
871 2004-07-17  Paolo Bonzini  <bonzini@gnu.org>
872
873         * config/i386/i386.md (movv16qi_internal): Fix typo.
874
875 2004-07-17  Steven Bosscher  <stevenb@suse.de>
876
877         * final.c (final_scan_insn): Fix broken commit from previous
878         patch.
879
880 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
881
882         * c-typeck.c (parser_build_binary_op): Condition warnings for
883         X<=Y<=Z on -Wparentheses instead of -Wextra.
884         * doc/invoke.texi: Update.  Document that most of -Wparentheses is
885         supported for C only.
886
887 2004-07-17  Steven Bosscher  <stevenb@suse.de>
888
889         * cfgcleanup.c (try_simplify_condjump): Don't remove line
890         notes to avoid unreachable code warnings.
891         * toplev.c (backend_init): Don't emit line notes for
892         unreachable code warnings.
893
894         * combine.c (distribute_notes): Don't distribute a
895         REG_VTABLE_REF note.
896         * final.c (final_scan_insn): Don't handle it.
897         * rtl.c (reg_note_name): Remove it.
898         * rtl.h (enum reg_node): Dito.
899
900         * emit-rtl.c (force_line_numbers, restore_line_number_status):
901         Remove.
902         * rtl.h (force_line_numbers, restore_line_number_status):
903         Remove prototypes.
904
905         * stmt.c (using_eh_for_cleanups_p, using_eh_for_cleanups): Move...
906         * tree-eh.c (using_eh_for_cleanups_p): ...here.  Make static.
907         (using_eh_for_cleanups): Also moved here.
908
909         * expr.c (expand_expr_real_1) <CASE_LABEL_EXPR>: Die if we see one.
910         <SWITCH_EXPR>: Die if we have a non-NULL SWITCH_BODY.  Update calls
911         to expand_start_case and add_case_node.
912         * stmt.c (struct nesting): Cleanup unused fields condition_code,
913         last_unconditional_cleanup, nominal_type, printname, and
914         line_number_status.
915         (struct fixup_goto): Remove.
916         (struct stmt_status): Remove x_goto_fixup_chain field.
917         (goto_fixup_chain): Remove.
918         (strip_default_case_nodes, group_case_nodes, emit_jump_if_reachable,
919         pushcase, pushcase_range): Remove.
920         (expand_start_bindings_and_block): Don't set unused fields in
921         the nesting stack.
922         (expand_start_case, add_case_node): Cleanup unused formal arguments.
923         (expand_end_case_type): Don't simplify the case-list.  Use emit_jump
924         instead of emit_jump_if_reachable.
925         (emit_case_nodes): Likewise.
926         * tree-cfg.c (group_case_labels, cleanup_dead_labels): No longer
927         static.
928         (update_eh_label): Work around left-over exception handing regions.
929         * tree-flow.h (group_case_labels, cleanup_dead_labels): Add protos.
930         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): New function.
931         (pass_cleanup_cfg_post_optimizing): New pass.
932         (init_tree_optimization_passes): Run the new pass after all
933         optimizations.
934         * tree.h (pushcase, pushcase_range): Remove prototypes.
935         (expand_start_case, add_case_node): Update prototypes.
936
937 2004-07-16  Krister Walfridsson  <cato@df.lth.se>
938
939         * tree-inline.c (estimate_num_insns_1): Correct increase of count.
940
941 2004-07-16  Richard Henderson  <rth@redhat.com>
942
943         * builtins.c (std_expand_builtin_va_arg): Remove.
944         (expand_builtin_va_arg): Remove.
945         * expr.h: Don't declare them.
946         * gimplify.c (mark_decls_volatile_r): Remove.
947         (copy_if_shared_r): Don't call it.
948         * target-def.h: Don't test EXPAND_BUILTIN_VA_ARG.
949         * expr.c (expand_expr_real_1): Don't handle VA_ARG_EXPR.
950         * gimple-low.c (lower_stmt): Likewise.
951         * tree-cfg.c (cfg_remove_useless_stmts_bb): Likewise.
952         * tree-gimple.c (is_gimple_tmp_rhs, is_gimple_stmt): Likewise.
953         * tree-ssa-operands.c (get_expr_operands): Likewise.
954         * doc/tm.texi (TARGET_GIMPLIFY_VA_ARG_EXPR): Don't mention
955         EXPAND_BUILTIN_VA_ARG.
956         * system.h (EXPAND_BUILTIN_VA_ARG): Poison.
957         * config/alpha/alpha.h, config/alpha/unicosmk.h, config/i386/i386.h,
958         config/ia64/ia64.h, config/rs6000/rs6000.h, config/s390/s390.h,
959         config/sparc/sparc.h (EXPAND_BUILTIN_VA_ARG): Remove.
960
961 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
962
963         * tree-ssa-pre.c (insert_aux): Break out if we hit
964         a critical edge.
965
966 2004-07-16  Richard Henderson  <rth@redhat.com>
967
968         * basic-block.h (remove_fake_exit_edges): Declare.
969         * cfganal.c (remove_fake_predecessors): Rename from
970         remove_fake_successors; iterate over predecessors.
971         (remove_fake_exit_edges): New.
972         * cfgcleanup.c (try_optimize_cfg): Use it.
973         * gcse.c (one_pre_gcse_pass, store_motion): Likewise.
974         * predict.c (estimate_probability): Likewise.
975         (tree_estimate_probability, note_prediction_to_br_prob): Likewise.
976         * tree-cfg.c (make_edges): Likewise.
977         * tree-ssa-pre.c (fini_pre): Likewise.
978         * profile.c (instrument_edges): Don't remove_fake_edges.
979         (branch_prob): Do it earlier here.
980
981 2004-07-16  Richard Henderson  <rth@redhat.com>
982
983         * tree-ssa-operands.c (get_expr_operands): Fix 2004-07-15
984         switchification wrt CONSTRUCTOR.  Document the reason.
985
986 2004-07-16  Frank Ch. Eigler  <fche@redhat.com>
987
988         * tree-mudflap.c (mf_file_function_line_tree): Correct typo
989         that prevented descriptive __mf_check source location strings.
990
991 2004-07-16  Richard Henderson  <rth@redhat.com>
992
993         * tree-def (WITH_SIZE_EXPR): New.
994         * explow.c (expr_size, int_expr_size): Handle WITH_SIZE_EXPR.
995         * expr.c (expand_expr_real_1): Likewise.
996         * gimplify.c (maybe_with_size_expr): New.
997         (gimplify_arg, gimplify_modify_expr): Use it.
998         (gimplify_modify_expr_to_memcpy): Take size parameter.
999         (gimplify_modify_expr_to_memset): Likewise.
1000         (gimplify_expr): Handle WITH_SIZE_EXPR.
1001         * tree-alias-common.c (find_func_aliases): Likewise.
1002         * tree-eh.c (tree_could_trap_p): Likewise.
1003         (tree_could_throw_p): Likewise.
1004         * tree-gimple.c (is_gimple_lvalue): Likewise.
1005         (get_call_expr_in): Likewise.
1006         * tree-inline.c (estimate_num_insns_1): Likewise.
1007         (expand_calls_inline): Likewise.
1008         * tree-nested.c (convert_call_expr): Likewise.
1009         * tree-pretty-print.c (dump_generic_node): Likewise.
1010         * tree-sra.c (sra_walk_expr): Likewise.
1011         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
1012         * tree-ssa-ccp.c (get_rhs, set_rhs): Likewise.
1013         * tree-ssa-operands.c (get_expr_operands): Likewise.
1014         * tree-tailcall.c (find_tail_calls): Likewise.
1015
1016         * calls.c (expand_call): Reset old_stack_allocated after
1017         calling emit_stack_restore.
1018
1019 2004-07-16  Richard Henderson  <rth@redhat.com>
1020
1021         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_COPY_RES_DECL_FOR_INLINING,
1022         lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
1023         * langhooks.c (lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
1024         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
1025         copy_res_decl_for_inlining.
1026
1027         * tree-inline.c (declare_return_variable): New modify_dest argument.
1028         Use it as the return value, when possible or manditory.  Handle
1029         TREE_ADDRESSABLE types.
1030         (expand_call_inline): Extract MODIFY_EXPR lhs for call.  Simplify
1031         replacement of CALL_EXPR.
1032
1033 2004-07-16  Richard Henderson  <rth@redhat.com>
1034
1035         * tree-flow.h (struct var_ann_d): Remove has_hidden_use.
1036         * gimple-low.c (expand_var_p): Don't check it.
1037         * tree-ssa-alias.c (setup_pointers_and_addressables): Likewise.
1038         * tree-ssa-copyrename.c (rename_ssa_copies): Likewise.
1039         * tree-ssa-operands.c (add_stmt_operand): Likewise.
1040         * tree-dfa.c (find_hidden_use_vars, find_hidden_use_vars_r): Kill.
1041         (find_referenced_vars): Don't call them.
1042         * tree-flow-inline.h (has_hidden_use, set_has_hidden_use): Kill.
1043
1044 2004-07-16  Richard Henderson  <rth@redhat.com>
1045
1046         * function.c (pass_by_reference): True for all variable sized types.
1047
1048 2004-07-16  Sebastian Pop  <pop@cri.ensmp.fr>
1049
1050         * Makefile.in (tree-pretty-print.o): Depend on tree-chrec.h.
1051         * tree-pretty-print.c: Include tree-chrec.h.
1052         (dump_generic_node): Pretty print SCEV_KNOWN, SCEV_NOT_KNOWN
1053         and POLYNOMIAL_CHREC nodes.
1054
1055 2004-07-16  Steve Ellcey  <sje@cup.hp.com>
1056
1057         * builtins.c (expand_builtin_stpcpy): Do not create temporary
1058         reg with VOIDmode.
1059
1060 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
1061
1062         * config/rs6000/eabi.asm (__eabi_convert): Fix typo (cmpi vs. cmpwi).
1063
1064 2004-07-16  Andreas Krebbel  <krebbel1@de.ibm.com>
1065
1066         * config/s390/s390.md: Changed every occurence of BASE_REGISTER
1067         to BASE_REGNUM.
1068         * config/s390/s390.c: Likewise.
1069         * config/s390/s390.h: Likewise.
1070
1071 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
1072
1073         * config/mips/mips.md (addsi3, adddi3): Remove special handling
1074         of $sp adds.  Remove REGNO checks from mips16 patterns.
1075
1076 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
1077
1078         * config/mips/mips.md: Delete outdated comment.
1079
1080 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
1081
1082         * config/mips/mips.c (get_float_compare_codes): Delete.
1083         (mips_emit_compare): New function, mostly extracted from
1084         get_float_compare_codes and gen_conditional_branch.
1085         (gen_conditional_branch, gen_conditional_move): Use it.
1086
1087 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
1088
1089         * genautomata.c (add_vect): Speedup by using integers as
1090         bit-vectors for walking through the comb_vect and finding
1091         a match.
1092
1093 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
1094
1095         * config/mips/mips.c (mips_zero_if_equal): Only use XORs if the second
1096         operand is an uns_arith_operand; use subtraction otherwise.
1097         * config/mips/mips.md (cmpsi, cmpdi): Allow any nonmemory_operand,
1098         not just arith_operands.
1099
1100 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
1101
1102         * config/mips/mips-protos.h (gen_int_relational): Delete.
1103         (mips_emit_scc): Declare.
1104         * config/mips/mips.c (internal_test): Delete.
1105         (sle_operand, sleu_operand): New functions.
1106         (map_test_to_internal_test, gen_int_relational): Delete.
1107         (mips_emit_binary, mips_relational_operand_ok_p)
1108         (mips_emit_int_relational, mips_zero_if_equal)
1109         (mips_emit_scc): New functions.
1110         (gen_conditional_branch): Rework to use mips_emit_int_relational.
1111         * config/mips/mips.h (PREDICATE_CODES): Add sle_operand and
1112         sleu_operand.
1113         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
1114         (sltu, sleu): Use mips_emit_scc.
1115         (*sge_[sd]i, *sgeu_[sd]i): New patterns.
1116         (*sle_[sd]i, *sle_[sd]i_mips16): Use sle_operand.
1117         (*sleu_[sd]i, *sleu_[sd]i_mips16): Use sleu_operand.
1118
1119 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
1120
1121         * config/mips/mips.md (*sgt_di_mips16): Fix destination constraint.
1122
1123 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
1124
1125         * config/mips/mips.md (*seq_[sd]i): Renamed from seq_[sd]i_zero.
1126         (*sne_[sd]i): Likewise sne_[sd]i_zero.
1127         (*sgt_[sd]i): ...and sgt_[sd]i.
1128         (*slt_[sd]i): ...and slt_[sd]i.
1129         (*sgtu_[sd]i): ...and sgtu_[sd]i.
1130         (*sltu_[sd]i): ...and sltu_[sd]i.
1131         (*sleu_[sd]i): ...and sleu_[sd]i_const.
1132         Name previously unnamed mips16 patterns.  Formatting fixes.
1133
1134 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
1135
1136         * config/mips/mips.c (cmp_operands): Renamed from branch_cmp.
1137         (branch_type): Delete.
1138         (gen_conditional_branch, gen_conditional_move)
1139         (mips_gen_conditional_trap): Update after name change.  Get the
1140         comparison mode from cmp_operands[0].
1141         * config/mips/mips.h (cmp_type, branch_type): Delete.
1142         (cmp_operands): Renamed from branch_cmp.
1143         * config/mips/mips.md (cmpsi, cmpdi, cmpsf, cmpdf): Update after
1144         name change.  Don't set branch_type.
1145         (seq, sne, sgt, sge, slt, sle, sgtu, sgeu, sltu, sleu): Check the
1146         mode class of cmp_operands[0] rather than branch_type.  Update after
1147         name change.
1148
1149 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
1150
1151         * config/mips/mips.c (mips_rtx_costs): In mips16 code, set the cost
1152         of 0...255 to 0 when inside a SET.
1153
1154 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
1155
1156         * config/mips/mips.md: Remove mips16 define_peepholes.
1157
1158 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
1159
1160         * tree-ssa-pre.c (init_pre): Connect infinite loops to exit.
1161         (fini_pre): Remove fake edges.
1162
1163 2004-07-15  Richard Henderson  <rth@redhat.com>
1164
1165         * tree-ssa-operands.c (get_expr_operands): Use a switch.  Split out...
1166         (get_indirect_ref_operands, get_call_expr_operands): ... these.
1167
1168 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
1169
1170         * vec.h (VEC_address): New function.
1171
1172 2004-07-14  Jason Merrill  <jason@redhat.com>
1173
1174         PR middle-end/15885
1175         * gimplify.c (gimplify_arg): New fn, split out from...
1176         (gimplify_call_expr): Here.  Special-case BUILT_IN_VA_START.
1177
1178 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
1179
1180         * config/m68k/m68k.c (output_move_qimode): Abort on an attempt to
1181         generate code which is generated by pushqi1 now
1182         * config/m68k/m68k.h (MOVE_BY_PIECES_P): Remove.
1183
1184 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
1185
1186         * combine.c (simplify_set): match the mode of the constant 0 with
1187         the tested operand to match the compare behaviour and the
1188         simplify_relational_operation() expectation.
1189
1190 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
1191
1192         * config/rs6000/rs6000.md ("bunordered"): Disable for e500.
1193         ("bordered"): Same.
1194
1195 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
1196
1197         * config/rs6000/rs6000.md ("*cceq_ior_compare"): Allow
1198         unconditionally.
1199         * config/rs6000/spe.md ("e500_cceq_ior_compare"): Remove.
1200
1201 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
1202
1203         * config/mips/mips.c (mips_adjust_insn_length): Fix handling of
1204         calls in mips16 code.
1205
1206 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
1207
1208         * config/mips/mips.md: In the mips16 li/neg splitter, use SImode for
1209         the destination of the li as well as for the neg.
1210
1211 2004-07-15  Frank Ch. Eigler  <fche@redhat.com>
1212
1213         g++/15861
1214         * cgraphunit.c (cgraph_build_static_cdtor): Add priority argument.
1215         * cgraph.h: Update declaration.
1216         * c-decl.c (build_cdtor): Update call with default priority.
1217         * coverage.c (create_coverage): Ditto.
1218         * tree-mudflap.c (mf_init_fndecl): New tree.
1219         (mudflap_init): Set it.
1220         (mudflap_register_call): Arrange to call __mf_init before the first
1221         __mf_register call.
1222         (mudflap_finish_file): Mark the mudflap static initializer as extra
1223         high priority, to beat all C++ static constructors.
1224
1225 2004-07-15  Jeff Law  <law@redhat.com>
1226
1227         * loop.c (check_insn_for_givs): Restore check for code labels that was
1228         accidentally deleted by a recent checkin.
1229
1230 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
1231
1232         * vec.h (VEC_T_truncate): Allow truncation of an empty vector.
1233         (VEC_T_quick_insert, VEC_T_ordered_remove): Fix sizeof(T) thinko.
1234
1235 2004-07-14  Richard Henderson  <rth@redhat.com>
1236
1237         * print-tree.c (print_node): Fix casts last change.
1238
1239 2004-07-15  Paul Brook  <paul@codesourcery.com>
1240
1241         * dwarf2out.c (dwarf2out_begin_prologue): Rename IA64_UNWIND_INFO
1242         to TARGET_UNWIND_INFO.
1243         * except.c (output_function_exception_table): Ditto.
1244         * except.h: Ditto.
1245         * opts.c (decode_options): Ditto.
1246         * passes.c (rest_of_handle_final): Ditto.
1247         * final.c (final_start_function): Ditto.
1248         (final_scan_insn, final_scan_insn): Replace IA64_UNWIND_EMIT with
1249         target hook.
1250         * targhooks.h (default_unwind_emit): Declare.
1251         * targhooks.c (default_unwind_emit): New function.
1252         * target-def.h: Define and use TARGET_UNWIND_EMIT.
1253         * target.h (struct gcc_target): Add unwind_emit.
1254         * config/ia64/ia64.c (TARGET_UNWIND_EMIT): Define.
1255         * config/ia64/ia64.h: Rename IA64_UNWIND_INFO to TARGET_UNWIND_INFO.
1256         Remove IA64_UNWIND_EMIT.
1257         * doc/tm.texi: Document TARGET_UNWIND_EMIT and TARGET_UNWIND_INFO.
1258
1259 2004-07-14  Richard Henderson  <rth@redhat.com>
1260
1261         * print-tree.c (print_node): Handle SSA_NAME.
1262
1263 2004-07-14  James E Wilson  <wilson@specifixinc.com>
1264
1265         PR target/16325
1266         * config/mips/mips.h (STARTING_FRAME_OFFSET): When flag_profile_value
1267         and ! TARGET_64BIT, include REG_PARM_STACK_SPACE.
1268
1269 2004-07-15  Jakub Jelinek  <jakub@redhat.com>
1270
1271         * expr.c (expand_assignment): Reenable bitfield += optimizations.
1272         Use alias set 0 for memory, do proper mode calculations and adjust
1273         address for memories.
1274
1275 2004-07-14  Per Bothner  <per@bothner.com>
1276
1277         * input.h:  If USE_MAPPED_LOCATION, define separate expanded_location
1278         structure with extra column field.
1279         * tree.c (expand_location):  Also fill in column field.
1280         * gengtype-lex.l:  Ignore expanded_location typedef, sinze gengtype
1281         gets confused by the two conditionally-compiled definitions.
1282
1283 2004-07-14  Eric Christopher  <echristo@redhat.com>
1284
1285         * calls.c (expand_call): Fix typo in comment.
1286
1287 2004-07-14  Steve Ellcey  <sje@cup.hp.com>
1288
1289         * config/ia64/ia64.c (ia64_expand_compare): Allow ORDERED
1290         comparision of TFmode.
1291
1292 2004-07-14  Richard Henderson  <rth@redhat.com>
1293
1294         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Move indirect ...
1295         (alpha_gimplify_va_arg): ... handling here.  Use pass_by_reference.
1296         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Use pass_by_reference.
1297         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
1298         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
1299         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
1300         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
1301         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
1302         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
1303
1304 2004-07-14  Mike Stump  <mrs@apple.com>
1305
1306         * config/darwin.h (WINT_TYPE): Define to be int to match
1307         system header files.
1308
1309 2004-07-14  Bob Wilson  <bob.wilson@acm.org>
1310
1311         * config/xtensa/xtensa.c (function_arg_advance): Check for args
1312         that must be passed in the stack.
1313         (xtensa_gimplify_va_arg_expr): Skip special-case padding for small
1314         arguments if the size is not a constant.
1315
1316 2004-07-14  Per Bothner  <per@bothner.com>
1317
1318         * c-typeck.c (emit_side_effect_warnings):  Use EXPR_HAS_LOCATION
1319         instead of EXPR_LOCUS in a boolean context, which is always true
1320         if --enable-mapped-location.
1321         * stmt.c (warn_if_unused_value):  Likewise.  Also use EXPR_LOCATION.
1322
1323 2004-07-14  Richard Henderson  <rth@redhat.com>
1324
1325         * dominance.c (struct dom_info): Add fake_exit_edge.
1326         (init_dom_info): Allocate it.
1327         (free_dom_info): Free it.
1328         (calc_dfs_tree): Set it.  Handle noreturn and infinite loops
1329         in two passes.
1330         (calc_idoms): Honor fake_exit_edge.
1331
1332 2004-07-13  Jason Merrill  <jason@redhat.com>
1333
1334         * tree-gimple.c (is_gimple_reg_rhs, is_gimple_mem_rhs): New fns.
1335         (rhs_test_for): New fn.
1336         (is_gimple_tmp_rhs): Rename from is_gimple_rhs.
1337         * tree-gimple.h: Declare them.
1338         * gimplify.c (gimplify_modify_expr): Use the new fns.
1339
1340 2004-07-14  Richard Henderson  <rth@redhat.com>
1341
1342         * config/arm/arm-protos.h (arm_va_arg): Remove.
1343         * config/arm/arm.c (arm_va_arg): Remove.
1344         (arm_init_expanders): Fix alignment of arg_pointer_rtx.
1345         * config/arm/arm.h (EXPAND_BUILTIN_VA_ARG): Remove.
1346
1347 2004-07-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1348
1349         * pa.c (fix_range): New function to mark a range(s) of registers as
1350         fixed registers.
1351         (override_options): Call fix_range if the -mfixed-range option string
1352         is not empty.
1353         * pa.h (TARGET_OPTIONS): Add -mfixed-range option.
1354         * doc/invoke.texi (-mfixed-range): Document new option.
1355
1356 2004-07-14  David Edelsohn  <edelsohn@gnu.org>
1357
1358         * config/rs6000/rs6000.c (function_arg_padding): Do not pad SFmode
1359         for TARGET_64BIT.
1360         (rs6000_gimplify_va_arg): Use size_int instead of build_int_2.
1361
1362 2004-07-14  Roger Sayle  <roger@eyesopen.com>
1363
1364         * expmed.c (expand_sdiv_pow2): New function to expand signed division
1365         by a positive power of two, split out from expand_divmod.  Provide
1366         an alternate implementation when shifts are expensive.  Lower the
1367         threshold for using a branchless implementation to BRANCH_COST >= 2.
1368         (expand_divmod): Call expand_sdiv_pow2 for suitable divisions.
1369
1370 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
1371
1372         * tree-dfa.c (make_rename_temp): *Really* work just
1373         like create_tmp_var if called while outside SSA form.
1374
1375 2004-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
1376
1377         * config/s390/s390.md ("udivsi3"): Ensure trap is generated
1378         for division by zero.
1379         ("umodsi3"): Likewise.
1380
1381 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
1382
1383         * config/mips/mips.c (mips_output_move): When generating mips16 code,
1384         force loads of negative constants to be split.
1385         * config/mips/mips.md (*movhi_mips16, *movqi_mips16): Likewise.
1386         Generalize SImode li/neg splitter to cope with other modes.
1387
1388 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
1389
1390         * expmed.c: Remove more references to QUEUED in the comments.
1391         * expr.c: Likewise.
1392
1393 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
1394
1395         Revert:
1396         2004-07-13  Richard Henderson  <rth@redhat.com>
1397         * config/mips/mips.c (mips_pass_by_reference): Handle mode sizes
1398         correctly.
1399
1400 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
1401
1402         * tree-dfa.c (make_rename_temp): Work just like
1403         create_tmp_var if called while outside SSA form.
1404
1405 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
1406
1407         * expr.c (enqueue_insn, finish_expr_for_function,
1408         protect_from_queue, queued_subexp_p, mark_queue,
1409         emit_insns_enqueued_after_mark, emit_queue,
1410         expand_increment): Remove.
1411         (store_constructor): Expand increment as an assignment.
1412         (expand_expr_real_1 <case PREINCREMENT_EXPR,
1413         case PREDECREMENT_EXPR, case POSTINCREMENT_EXPR,
1414         case POSTDECREMENT_EXPR>): Abort.
1415         * expr.h (QUEUED_VAR, QUEUED_INSN, QUEUED_COPY,
1416         QUEUED_BODY, QUEUED_NEXT, finish_expr_for_function,
1417         protect_from_queue, emit_queue, queued_subexp_p): Remove.
1418         * function.h (pending_chain, x_pending_chain): Remove.
1419         * rtl.def (QUEUED): Remove.
1420
1421         * emit-rtl.c (copy_insn_1, copy_most_rtx,
1422         set_used_flags, verify_rtx_sharing): Remove references to QUEUED.
1423         * genattrtab.c (attr_copy_rtx, clear_struct_flag,
1424         encode_units_mask): Likewise.
1425         * local-alloc.c (equiv_init_varies_p): Likewise.
1426         * rtl.c (copy_rtx): Likewise.
1427         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
1428         * simplify-rtx.c (simplify_gen_subreg): Likewise.
1429         * config/mn10300/mn10300.c (legitimate_pic_operand_p): Likewise.
1430
1431         * builtins.c (expand_builtin, expand_builtin_apply,
1432         expand_builtin_mathfn, expand_builtin_mathfn_2,
1433         expand_builtin_mathfn_3, expand_builtin_setjmp_setup):
1434         Remove calls to emit_queue and protect_from_queue.
1435         * calls.c (expand_call, precompute_arguments,
1436         precompute_register_parameters, rtx_for_function_call,
1437         store_one_arg): Likewise.
1438         * dojump.c (do_compare_and_jump, do_jump): Likewise.
1439         * explow.c (memory_address): Likewise.
1440         * expmed.c (clear_by_pieces_1, clear_storage,
1441         clear_storage_via_libcall, emit_group_load,
1442         emit_group_store, emit_store_flag,
1443         expand_expr_real_1, store_by_pieces,
1444         store_constructor, store_expr, try_casesi,
1445         try_tablejump): Likewise.
1446         * function.c (expand_pending_sizes): Likewise.
1447         * optabs.c (emit_cmp_and_jump_insns,
1448         emit_conditional_add, emit_conditional_move,
1449         expand_fix, expand_float, prepare_cmp_insn): Likewise.
1450         * stmt.c (emit_case_bit_tests,
1451         expand_asm_expr, expand_computed_goto,
1452         expand_decl_init, expand_end_case_type,
1453         expand_end_stmt_expr, expand_expr_stmt_value,
1454         expand_return, expand_start_case,
1455         optimize_tail_recursion): Likewise.
1456         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
1457         * config/s390/s390.c (s390_expand_cmpmem): Likewise.
1458
1459 2004-07-14  Ben Elliston  <bje@au.ibm.com>
1460
1461         * vec.h: Comment fix.
1462
1463 2004-07-13  Richard Henderson  <rth@redhat.com>
1464
1465         * target.h (struct gcc_target): Add calls.pass_by_reference.
1466         * target-def.h (TARGET_PASS_BY_REFERENCE): New.
1467         * function.c (pass_by_reference): Use the hook.
1468         * system.h (FUNCTION_ARG_PASS_BY_REFERENCE): Poison.
1469         * targhooks.c, targhooks.h (hook_pass_by_reference_false): New.
1470         (hook_pass_by_reference_must_pass_in_stack): New.
1471         * config/alpha/alpha.c (function_arg): Don't query pass-by-ref.
1472         (alpha_pass_by_reference): New.
1473         (TARGET_PASS_BY_REFERENCE): New.
1474         * config/alpha/alpha.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1475         * config/arc/arc.c (arc_pass_by_reference): New.
1476         (TARGET_PASS_BY_REFERENCE): New.
1477         * config/arc/arc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1478         (FUNCTION_ARG_CALLEE_COPIES): True.
1479         * config/arm/arm-protos.h (arm_function_arg_pass_by_reference): Remove.
1480         * config/arm/arm.c (TARGET_PASS_BY_REFERENCE): New.
1481         (arm_pass_by_reference): Rename from arm_function_arg_pass_by_reference.
1482         * config/arm/arm.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1483         * config/c4x/c4x.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1484         * config/cris/cris.c (cris_pass_by_reference): New.
1485         (TARGET_PASS_BY_REFERENCE): New.
1486         * config/cris/cris.h (FUNCTION_ARG): Don't query pass-by-ref.
1487         (FUNCTION_INCOMING_ARG, FUNCTION_ARG_ADVANCE): Likewise.
1488         (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1489         * config/fr30/fr30.c (TARGET_PASS_BY_REFERENCE): New.
1490         * config/fr30/fr30.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1491         * config/frv/frv-protos.h (frv_function_arg_pass_by_reference): Kill.
1492         * config/frv/frv.c (TARGET_PASS_BY_REFERENCE): New.
1493         (frv_function_arg_pass_by_reference): Remove.
1494         * config/frv/frv.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1495         * config/i386/i386-protos.h (function_arg_pass_by_reference): Remove.
1496         * config/i386/i386.c (TARGET_PASS_BY_REFERENCE): New.
1497         (ix86_pass_by_reference): Rename from function_arg_pass_by_reference.
1498         * config/i386/i386.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1499         * config/ia64/ia64-protos.h (ia64_function_arg_pass_by_reference): Kill.
1500         * config/ia64/ia64.c (TARGET_PASS_BY_REFERENCE): New.
1501         (ia64_pass_by_reference): Rename from
1502         ia64_function_arg_pass_by_reference.
1503         * config/ia64/ia64.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1504         * config/ip2k/ip2k.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1505         * config/iq2000/iq2000-protos.h (function_arg_pass_by_reference): Kill.
1506         * config/iq2000/iq2000.c (TARGET_PASS_BY_REFERENCE): New.
1507         (iq2000_pass_by_reference): Rename from function_arg_pass_by_reference.
1508         * config/iq2000/iq2000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1509         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
1510         * config/m32r/m32r-protos.h (m32r_pass_by_reference): Remove.
1511         * config/m32r/m32r.c (TARGET_PASS_BY_REFERENCE): New.
1512         (m32r_pass_by_reference): Adjust prototype.  Make static.
1513         Handle mode sizes correctly.
1514         * config/m32r/m32r.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1515         * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c
1516         (m68hc11_function_arg_pass_by_reference): Remove.
1517         * config/m68hc11/m68hc11.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1518         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
1519         * config/mcore/mcore.c (TARGET_PASS_BY_REFERENCE): New.
1520         * config/mcore/mcore.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1521         * config/mips/mips-protos.h (function_arg_pass_by_reference): Remove.
1522         * config/mips/mips.c (TARGET_PASS_BY_REFERENCE): New.
1523         (mips_va_arg): Use pass_by_reference.
1524         (mips_pass_by_reference): Rename from function_arg_pass_by_reference.
1525         Handle mode sizes correctly.
1526         * config/mips/mips.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1527         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
1528         * config/mmix/mmix-protos.h (mmix_function_arg_pass_by_reference): Kill.
1529         * config/mmix/mmix.c (TARGET_PASS_BY_REFERENCE): New.
1530         (mmix_pass_by_reference): Rename from
1531         mmix_function_arg_pass_by_reference.
1532         * config/mmix/mmix.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1533         (FUNCTION_ARG_CALLEE_COPIES): True.
1534         * config/mn10300/mn10300.c (TARGET_PASS_BY_REFERENCE): New.
1535         (mn10300_pass_by_reference): New.
1536         * config/mn10300/mn10300.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1537         (FUNCTION_ARG_CALLEE_COPIES): True.
1538         * config/pa/pa.c (pa_pass_by_reference): New.
1539         (TARGET_PASS_BY_REFERENCE): New.
1540         * config/pa/pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1541         (FUNCTION_ARG_CALLEE_COPIES): True.
1542         * config/rs6000/rs6000-protos.h (function_arg_pass_by_reference): Kill.
1543         * config/rs6000/rs6000.c (TARGET_PASS_BY_REFERENCE): New.
1544         (rs6000_pass_by_reference): Rename from function_arg_pass_by_reference.
1545         * config/rs6000/rs6000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1546         * config/s390/s390-protos.h (s390_function_arg_pass_by_reference): Kill.
1547         * config/s390/s390.c (TARGET_PASS_BY_REFERENCE): New.
1548         (s390_pass_by_reference): Rename from
1549         s390_function_arg_pass_by_reference.
1550         (s390_function_arg_advance): Don't query pass-by-ref.
1551         (s390_function_arg): Likewise.
1552         (s390_gimplify_va_arg): Use pass_by_reference.
1553         (s390_call_saved_register_used): Likewise.
1554         * config/s390/s390.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1555         * config/sh/sh.c (TARGET_PASS_BY_REFERENCE): New.
1556         (shcompact_byref, sh_pass_by_reference): New.
1557         * config/sh/sh.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1558         (SHCOMPACT_BYREF): Remove.
1559         * config/sparc/sparc-protos.h (function_arg_pass_by_reference): Kill.
1560         * config/sparc/sparc.c (TARGET_PASS_BY_REFERENCE): New.
1561         (sparc_pass_by_reference): Rename from function_arg_pass_by_reference.
1562         (sparc_gimplify_va_arg): Use pass_by_reference.
1563         * config/sparc/sparc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1564         * config/stormy16/stormy16.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1565         * config/v850/v850.c (TARGET_PASS_BY_REFERENCE): New.
1566         (v850_pass_by_reference): New.
1567         * config/v850/v850.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1568         (FUNCTION_ARG_CALLEE_COPIES): True.
1569         * doc/tm.texi (TARGET_PASS_BY_REFERENCE): Update from
1570         FUNCTION_ARG_PASS_BY_REFERENCE docs.
1571
1572 2004-07-14  Richard Henderson  <rth@redhat.com>
1573             Richard Sandiford  <rsandifo@redhat.com>
1574
1575         * config/mips/mips-protos.h (mips_va_arg): Delete.
1576         * config/mips/mips.h (EXPAND_BUILTIN_VA_ARG): Delete.
1577         * config/mips/mips.c: Include tree-gimple.h.
1578         (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
1579         (mips_arg_info): Remove special handling of must_pass_in_stck args.
1580         (mips_gimplify_va_arg_expr): Rewritten from mips_va_arg.
1581         (function_arg_pass_by_reference): Return true if must_pass_in_stack.
1582
1583 2004-07-13  Bob Wilson  <bob.wilson@acm.org>
1584
1585         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Swap
1586         arguments for COND_EXPR in big-endian adjustment code.
1587
1588 2004-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1589
1590         * pa-64.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Delete.
1591         * pa.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Modify for hppa64.
1592         * pa32-regs.h (REG_ALLOC_ORDER): Reorder caller-saved registers.
1593         * pa64-regs.h (REG_ALLOC_ORDER): Likewise.
1594
1595 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
1596
1597         PR tree-optimization/16443
1598         * tree-ssa-alias.c: Add more description for
1599         CALL_CLOBBERED_VARS and ADDRESSABLE_VARS.
1600         * tree-ssa-operands.c (get_asm_expr_operands): Re-order the
1601         clobbering of call-clobbered and addressable variables.  If
1602         there are any before aliases have been computed, add them.
1603
1604 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
1605
1606         * tree-optimize.c (execute_todo): Flush DUMP_FILE before
1607         verification.
1608
1609 2004-07-13  Ulrich Weigand  <uweigand@de.ibm.com>
1610
1611         * config/s390/s390.c (s390_gimplify_va_arg): Use size_int instead
1612         of build_int_2.  Convert both operands of PLUS_EXPR and MULT_EXPR
1613         to the same type.
1614
1615 2004-07-13  Per Bothner  <per@bothner.com>
1616
1617         * collect2.c (main):  Handle --no-demangle and --demangle flags.
1618
1619 2004-07-13  Sebastian Pop  <pop@cri.ensmp.fr>
1620
1621         * Makefile.in (OBJS-common): Add tree-data-ref.o.
1622         (tree-scalar-evolution.o): Add missing dependences on tree-pass.h flags.h.
1623         (tree-data-ref.o): New rule.
1624         * lambda.h: New file.
1625         * tree-data-ref.c: New file.
1626         * tree-data-ref.h: New file.
1627         * tree.c (int_cst_value, tree_fold_gcd): New functions.
1628         * tree.h (int_cst_value, tree_fold_gcd): Declared here.
1629
1630 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
1631
1632         PR target/13926
1633         * config/sparc/sparc-protos.h (output_ubranch): New prototype.
1634         * config/sparc/sparc.c (output_ubranch): New function.
1635         * config/sparc/sparc.md (jump pattern): Use it.
1636
1637 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
1638
1639         PR target/16494
1640         * config/sparc/sparc.c (output_cbranch): Properly guard
1641         the code handling far branches with TARGET_V9.
1642         * config/sparc/sparc.md (length attribute): Document the
1643         side-effect of having a length greater or equal to 3.
1644
1645 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
1646             Lloyd Parkes  <lloyd@must-have-coffee.gen.nz>
1647
1648         PR target/15186
1649         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Pass
1650         /usr/ucblib/sparcv9 as -R path when -compat-bsd is specified.
1651
1652 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
1653             Martin Sebor  <sebor@roguewave.com>
1654
1655         PR target/12602
1656         * doc/invoke.texi (SPARC options): Document -threads
1657         and -pthreads on Solaris.
1658
1659 2004-07-13  Richard Henderson  <rth@redhat.com>
1660
1661         * builtins.c (std_gimplify_va_arg_expr): Handle types passed
1662         by reference.
1663         (ind_gimplify_va_arg_expr): Remove.
1664         * tree.h (ind_gimplify_va_arg_expr): Remove.
1665         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Don't use it.
1666         * config/mmix/mmix.c (mmix_function_arg_pass_by_reference): Allow
1667         argsp to be null.
1668
1669         * config/arc/arc.c (arc_gimplify_va_arg_expr): Remove.
1670         (TARGET_GIMPLIFY_VA_ARG_EXPR): Remove.
1671         * config/cris/cris.c, config/fr30/fr30.c, config/frv/frv.c,
1672         config/iq2000/iq2000.c, config/m32r/m32r.c, config/mmix/mmix.c,
1673         config/mn10300/mn10300.c, config/v850/v850.c: Similarly.
1674
1675 2004-07-13  Richard Henderson  <rth@redhat.com>
1676
1677         * function.c (pass_by_reference): New.
1678         (assign_parm_find_data_types): Use it.
1679         * calls.c (initialize_argument_information): Likewise.
1680         (emit_library_call_value_1): Likewise.
1681         * expr.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1682         * function.h (pass_by_reference): Declare.
1683
1684 2004-07-13  Richard Henderson  <rth@redhat.com>
1685
1686         * target-def.h (TARGET_MUST_PASS_IN_STACK): New.
1687         * target.h (struct gcc_target): Add calls.must_pass_in_stack.
1688         * expr.h (MUST_PASS_IN_STACK): Remove.
1689         * system.h (MUST_PASS_IN_STACK): Poison.
1690         * tree.h (must_pass_in_stack_var_size): Declare.
1691         (must_pass_in_stack_var_size_or_pad): Declare.
1692         * calls.c (must_pass_in_stack_var_size): New.
1693         (must_pass_in_stack_var_size_or_pad): Rename from
1694         default_must_pass_in_stack.
1695         * config/alpha/alpha.c (unicosmk_must_pass_in_stack): New.
1696         (TARGET_MUST_PASS_IN_STACK): New.
1697         * config/alpha/unicosmk.h (MUST_PASS_IN_STACK): Remove.
1698         * config/fr30/fr30.c (fr30_must_pass_in_stack): New.
1699         (TARGET_MUST_PASS_IN_STACK): New.
1700         * config/fr30/fr30.h (MUST_PASS_IN_STACK): Remove.
1701         * config/frv/frv.c (frv_must_pass_in_stack): New.
1702         (TARGET_MUST_PASS_IN_STACK): New.
1703         * config/frv/frv.h (MUST_PASS_IN_STACK): Remove.
1704         * config/i386/i386-protos.h (ix86_must_pass_in_stack): Remove.
1705         * config/i386/i386.c (TARGET_MUST_PASS_IN_STACK): New.
1706         (ix86_must_pass_in_stack): Make static.
1707         * config/i386/i386.h (MUST_PASS_IN_STACK): Remove.
1708         * config/ia64/ia64.c (TARGET_MUST_PASS_IN_STACK): New.
1709         * config/ia64/ia64.h (MUST_PASS_IN_STACK): Remove.
1710         * config/m32r/m32r.c (TARGET_MUST_PASS_IN_STACK): New.
1711         * config/m32r/m32r.h (MUST_PASS_IN_STACK): Remove.
1712         * config/mcore/mcore-protos.h (mcore_must_pass_on_stack): Remove.
1713         * config/mcore/mcore.c (TARGET_MUST_PASS_IN_STACK): New.
1714         (mcore_must_pass_on_stack): Remove.
1715         * config/mcore/mcore.h (MUST_PASS_IN_STACK): Remove.
1716         * config/mips/mips.c (TARGET_MUST_PASS_IN_STACK): New.
1717         * config/mips/mips.h (MUST_PASS_IN_STACK): Remove.
1718         * config/pa/pa.c (TARGET_MUST_PASS_IN_STACK): New.
1719         * config/pa/pa.h (MUST_PASS_IN_STACK): Remove.
1720         * config/rs6000/aix.h (MUST_PASS_IN_STACK): Remove.
1721         * config/rs6000/linux64.h (MUST_PASS_IN_STACK): Remove.
1722         * config/rs6000/rs6000.c (rs6000_must_pass_in_stack): New.
1723         (TARGET_MUST_PASS_IN_STACK): New.
1724         * config/sh/sh.c (TARGET_MUST_PASS_IN_STACK): New.
1725         * config/sh/sh.h (MUST_PASS_IN_STACK): Remove.
1726         * config/sparc/sparc.c (TARGET_MUST_PASS_IN_STACK): New.
1727         * config/sparc/sparc.h (MUST_PASS_IN_STACK): Remove.
1728         * config/xtensa/xtensa.c (TARGET_MUST_PASS_IN_STACK): New.
1729         * config/xtensa/xtensa.h (MUST_PASS_IN_STACK): Remove.
1730         * doc/tm.texi (TARGET_MUST_PASS_IN_STACK): Update from
1731         MUST_PASS_IN_STACK.
1732
1733         * calls.c, function.c, config/alpha/alpha.c, config/alpha/alpha.h,
1734         config/alpha/unicosmk.h, config/alpha/vms.h, config/c4x/c4x.c,
1735         config/cris/cris.h, config/fr30/fr30.c, config/fr30/fr30.h,
1736         config/frv/frv.c, config/i386/i386.c, config/iq2000/iq2000.c,
1737         config/mcore/mcore.c, config/mcore/mcore.h, config/mips/mips.c,
1738         config/mmix/mmix.c, config/mmix/mmix.h, config/rs6000/rs6000.c,
1739         config/sh/sh.c, config/sh/sh.h, config/stormy16/stormy16.c,
1740         config/xtensa/xtensa.c: Use target hook.
1741
1742 2004-07-13  Anthony Heading  <aheading@jpmorgan.com>
1743
1744         * configure.ac (gcc_cv_as_offsetable_lo10): Fix a typo.
1745         * configure: Rebuilt.
1746
1747 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
1748
1749         * doc/invoke.texi: Remove documentation for MIPS -mrnames option.
1750         * config/mips/mips.h (mips_reg_names): Don't declare.
1751         (MASK_NAME_REGS): Delete.  Shuffle other MASK_* values down.
1752         (TARGET_NAME_REGS): Delete.
1753         (TARGET_SWITCHES): Remove -mrnames.
1754         (REGISTER_NAMES): Initialise with the old contents of mips_reg_names[].
1755         (ADDITIONAL_REGISTER_NAMES): Remove entries for names mentioned
1756         in REGISTER_NAMES.
1757         * config/mips/mips.c (mips_reg_names, mips_sw_reg_names): Delete.
1758         (override_options): Remove handling of TARGET_NAME_REGS.
1759
1760 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
1761
1762         * config/mips/mips.h (TARGET_*): Boolify.
1763
1764 2004-07-12  Nick Clifton  <nickc@redhat.com>
1765
1766         * config.gcc: Add sh-*-symbianelf target.
1767         * config/sh/sh.c: Add new target macros:
1768         TARGET_ENCODE_SECTION_INFO, TARGET_STRIP_NAME_ENCODING,
1769         TARGET_CXX_IMPORT_EXPORT_CLASS.
1770         (sh_file_start): Create a definition of the .directive section.
1771         (sh_attribute): Add dllimport and dllexport attributes.
1772         * config/sh/symbian-pre.h: New file.
1773         * config/sh/symbian-post.h: New file.
1774         * config/sh/symbian.c: New file. Contains Symbian specific
1775         functions.
1776         * config/sh/sh-protos.h: Add prototypes for new functions
1777         provided by symbian.c.
1778         * config/sh/t-symbian: New file.
1779         * doc/extend.texi: Document support for dllimport and dllexport
1780         attributes by the sh-symbianelf target.
1781
1782 2004-07-12  James E Wilson  <wilson@specifixinc.com>
1783
1784         * Makefile.in (AR): Use @AR@ not ar.
1785         (NM): New.
1786         (AR_FOR_TARGET): Use $(AR) not ar for native.
1787         (NM_FOR_TARGET): Use $(NM) not nm for native.
1788         * configure.ac: Add AC_CHECK_PROG calls for NM and AR.
1789         * configure: Regenerate.
1790
1791 2004-07-12  David S. Miller  <davem@nuts.davemloft.net>
1792
1793         * config/sparc/sparc.md (ashlsi3): Eliminate const 1
1794         special case.
1795         (ashldi3_sp64): Likewise.
1796
1797 2004-07-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1798
1799         PR target/16477
1800         * pa.c (function_arg): Update comment.
1801         * pa.h (BLOCK_REG_PADDING): Define.
1802
1803 2004-07-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1804
1805         PR tree-optimization/16461
1806         * tree-tailcall.c (independent_of_stmt_p): Handle non-SSA name
1807         arguments of phi nodes.
1808
1809 2004-07-12  Devang Patel  <dpatel@apple.com>
1810
1811         * doc/invoke.texi (Darwin Options): Document -gused and -gfull.
1812
1813 2004-07-12  Steve Ellcey  <sje@cup.hp.com>
1814
1815         * function.c (expand_function_start): Ensure r_save is in Pmode.
1816         * calls.c (prepare_call_address): Ensure static_chain_value is
1817         in Pmode.
1818         * builtins.c (expand_builtin_nonlocal_goto): Ensure r_label and
1819         r_save_area are in Pmode.
1820         * config/ia64/ia64.c (ia64_initialize_trampoline): Ensure addr,
1821         fnaddr, and static_chain are in Pmode.
1822
1823 2004-07-12  Vladimir Makarov  <vmakarov@redhat.com>
1824
1825         PR target/16445
1826         * config/ia64/ia64.c (bundling): Don't count ignored insns.
1827
1828 2004-07-12  Richard Henderson  <rth@redhat.com>
1829
1830         * target.h (struct gcc_target): Move gimplify_va_arg_expr
1831         next to build_builtin_va_list.
1832         * target-def.h (TARGET_GIMPLIFY_VA_ARG_EXPR): Update to match.
1833         * builtins.c (gimplify_va_arg_expr): Likewise.
1834         * gimplify.c (copy_if_shared_r): Likewise.
1835
1836 2004-07-12  Alexandre Oliva  <aoliva@redhat.com>
1837
1838         * passes.c (rest_of_decl_compilation): Don't defer call of
1839         assemble_variable if its DECL_RTL is already set.
1840
1841 2004-07-12  Sebastian Pop  <pop@cri.ensmp.fr>
1842
1843         * cfgloop.h (struct loop): Add nb_iterations field.
1844         (current_loops): Declare.
1845         * tree-chrec.c (chrec_not_analyzed_yet,
1846         chrec_dont_know, chrec_known, count_ev_in_wider_type,
1847         chrec_contains_symbols_defined_in_loop): Remove the temporary
1848         hooks.
1849         * tree-flow-inline.h (loop_containing_stmt): New function.
1850         * tree-scalar-evolution.c: Add implementation.
1851         * tree-scalar-evolution.h: Add declarations.
1852
1853 2004-07-12 Vladimir Makarov <vmakarov@redhat.com>
1854
1855         PR rtl-optimization/15921
1856         * Makefile.in (global.o): Add recog.h.
1857
1858         * global.c (recog.h): Add the include-clause.
1859         (bb_info): New member earlyclobber.
1860         (allocate_bb_info, free_bb_info): Initialize/finish the new
1861         member.
1862         (earlyclobber_regclass, earlyclobber_regclass_length): The new
1863         global variables.
1864         (check_earlyclobber, regclass_intersect,
1865         mark_reg_use_for_earlyclobber, mark_reg_use_for_earlyclobber_1):
1866         New functions.
1867         (calculate_local_reg_bb_info): Calculate value of earlyclobber.
1868         (make_accurate_live_analysis): Modify pavin.
1869
1870 2004-07-12  Diego Novillo  <dnovillo@redhat.com>
1871
1872         * tree-cfg.c (find_taken_edge): Statically compute the truth
1873         value of a predicate comparing an SSA_NAME to itself.
1874
1875 2004-07-12  Roger Sayle  <roger@eyesopen.com>
1876
1877         * config/rs6000/rs6000.c (rs6000_rtx_costs): Indicate that the
1878         rs6000 doesn't have shift-and-add or shift-and-sub instructions
1879         by returning the cost of a multiplication plus an addition.
1880
1881 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
1882
1883         PR tree-optimization/14107
1884         * gimplify.c (gimplify_return_expr): Accept a
1885         RETURN_EXPR with an error argument.
1886         * tree-optimize.c (init_tree_optimization_passes):
1887         Run pass_warn_function_return at -O0.
1888
1889 2004-07-12  Roger Sayle  <roger@eyesopen.com>
1890
1891         * doc/invoke.texi: Correct -fasynchronous-unwind-tables option
1892         index entry.
1893
1894 2004-07-12  Richard Sandiford  <rsandifo@redhat.com>
1895
1896         * config/mips/mips.c (mips_use_dfa_pipeline_interface): Delete.
1897         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
1898         * config/mips/3000.md: Add copyright notice.  Remove automota and
1899         function units; use generic ones instead.  Only define reservations
1900         for things that are different from generic.md.  Extend each clause
1901         to include r3900.
1902         * config/mips/{4000,4100,4300,4600,5000,6000,generic}.md: New files.
1903         * config/mips/mips.md: Include them. Remove define_function_units.
1904         (alu, imuldiv): New automata and units.
1905
1906 2004-07-12  Ben Elliston  <bje@au.ibm.com>
1907
1908         * doc/invoke.texi (Optimize Options): Document -frename-registers
1909         not being enabled by default at -O3.
1910
1911 2004-07-11  Roger Sayle  <roger@eyesopen.com>
1912
1913         * fold-const.c (fold) <PLUS_EXPR>: Canonicalize X + -C as X - C for
1914         floating point additions, to keep real immediate constant positive.
1915         <MINUS_EXPR>:  For floating point subtractions, only transform X - -C
1916         into X + C, and leave positive real constants as X - C.
1917
1918 2004-07-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1919
1920         * pa.c (hppa_gimplify_va_arg_expr): Remove comment.
1921
1922 2004-07-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1923
1924         PR tree-optimization/15654
1925         * tree-tailcall.c (eliminate_tail_call): Remove unreachable code.
1926
1927 2004-07-11  Roger Sayle  <roger@eyesopen.com>
1928
1929         * builtins.c (fold_builtin_fputs): Don't bother converting the
1930         return type to integer_type_node, as we've already checked that
1931         the result will be ignored.
1932
1933         * tree-eh.c (tree_could_trap_p): Add support for -ftrapv such
1934         that signed addition, subtraction, multiplication, division,
1935         remainder, negation and absolute value may potentially trap.
1936
1937         * fold-const.c (fold_ignored_result): New function to strip
1938         non-side-effecting tree nodes from an expression whose result
1939         is ignored.
1940         (fold_convert): Call fold_ignored_result when casting a value
1941         to VOID_TYPE.
1942         (omit_one_operand):  Call fold_ignored_result on the "omitted"
1943         operand when building a COMPOUND_EXPR.
1944         (pedantic_omit_one_operand): Likewise.
1945         * tree.h (fold_ignored_result): Prototype here.
1946         * tree-ssa-ccp.c (ccp_fold_builtin): Call fold_ignored_result
1947         when we're going to ignore the result.
1948
1949 2004-07-11  Richard Henderson  <rth@redhat.com>
1950
1951         PR tree-opt/16383
1952         * tree-ssa-ccp.c (fold_stmt_r): Split out...
1953         * tree.c (fields_compatible_p, find_compatible_field): ... new.
1954         * tree.h (fields_compatible_p, find_compatible_field): Declare.
1955         * tree-sra.c (sra_hash_tree): Hash fields by offset.
1956         (sra_elt_eq): Use fields_compatible_p.
1957         (generate_one_element_ref): Use find_compatible_field.
1958
1959 2004-07-11  Richard Henderson  <rth@redhat.com>
1960
1961         PR tree-opt/16422
1962         * tree-sra.c (generate_one_element_init): New.
1963         (generate_element_init): Use it.
1964         (scalarize_init): Push/pop gimplify context around it.
1965         (find_new_referenced_vars_1, find_new_referenced_vars): New.
1966         * gimplify.c (gimplify_expr): Allow SSA_NAME.
1967
1968 2004-07-11  Roger Sayle  <roger@eyesopen.com>
1969
1970         * rtlanal.c (insn_rtx_cost): New function, moved and renamed from
1971         combine.c's combine_insn_cost.
1972         * rtl.h (insn_rtx_cost): Prototype here.
1973         * combine.c (combine_insn_cost): Delete function.
1974         (combine_validate_cost): Update callers of combine_insn_cost to
1975         call insn_rtx_cost instead.
1976         (combine_instructions): Likewise.  Use NONJUMP_INSN_P to avoid
1977         requesting the rtx_cost of call and/or jump instructions.
1978
1979         * ifcvt.c (total_bb_rtx_cost): Use insn_rtx_cost instead of calling
1980         rtx_cost directly.  Don't request/use the cost of call or jump
1981         instructions.  Return -1 if the cost of any instruction can't be
1982         determined (or the BB contains a function call).
1983         (find_if_case_1): Abort transformation if total_bb_rtx_cost returns
1984         -1 (i.e. can't determine the cost of any instruction or the basic
1985         block contains a subroutine call).
1986         (find_if_case_2): Likewise.
1987
1988 2004-07-11  Roger Sayle  <roger@eyesopen.com>
1989
1990         * rs6000.c (struct processor_costs): Change semantics of fields to
1991         include the COST_N_INSNS scaling, and update all initializers.
1992         (rs6000_rtx_costs): Don't use COSTS_N_INSNS on rs6000_cost fields.
1993         Use COSTS_N_INSNS(1) for NOT, SIGN_EXTEND, ZERO_EXTEND and COMPARE.
1994         Use rs6000_cost->fp for both FLOAT_TRUNCATE and UNSPEC_FRSP.  When
1995         optimizing for size, use COSTS_N_INSNS(1) for CALL and IF_THEN_ELSE.
1996
1997 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
1998
1999         * LANGUAGES: Remove obsolete information.
2000
2001 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
2002
2003         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): For SIGSEGV and
2004         SIGBUS signal frames, the PSW address points *to* the faulting
2005         instruction, not after it.
2006
2007 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
2008
2009         * config/s390/s390.c (legitimize_tls_address): Handle constant offsets
2010         added to TLS symbol addresses.
2011
2012 2004-07-11  Richard Henderson  <rth@redhat.com>
2013
2014         * expmed.c (init_expmed): Use stack-local structures for
2015         temporary rtl.  Don't recognize shifts.
2016
2017 2004-07-11  Richard Henderson  <rth@redhat.com>
2018
2019         * expr.c (store_expr): Don't fiddle subreg promotion for types
2020         with precision smaller than the mode.
2021
2022 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
2023
2024         * tree.h (all_types_permanent): Remove.
2025
2026 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
2027
2028         * langhooks.h (estimate_num_insns, pushlevel, poplevel, set_block,
2029         maybe_build_cleanup, update_decl_after_saving): Remove hooks.
2030         * langhooks.c (lhd_clear_binding_stack): Remove.
2031         * langhooks-def.h (lhd_clear_binding_stack,
2032         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
2033         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING,
2034         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS, LANG_HOOKS_PUSHLEVEL,
2035         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
2036         (LANG_HOOKS_CLEAR_BINDING_STACK): Define to lhd_do_nothing.
2037         * system.h (LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
2038         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_SET_BLOCK,
2039         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
2040         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING, LANG_HOOKS_POPLEVEL): Poison.
2041         * tree.h (poplevel): Don't declare.
2042         * c-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK, LANG_HOOKS_PUSHLEVEL,
2043         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
2044         * objc/objc-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK,
2045         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK):
2046         Remove.
2047
2048 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
2049
2050         PR tree-optimization/16437
2051         * c-common.c (shorten_compare): Don't mark result of conversion to
2052         narrower signed type as overflowing.
2053         * fold-const.c (decode_field_reference): Determine whether
2054         signedness comes from outer type using precision rather than size.
2055
2056 2004-07-11  Phil Edwards  <phil@codesourcery.com>
2057
2058         * configure.ac:  Alphabetize --enable-checking list, add
2059         missing valgrind entry.
2060         * configure:  Regenerate.
2061
2062 2004-07-11  Phil Edwards  <phil@codesourcery.com>
2063
2064         * doc/install.texi (Testing):  Fix syntax in "make check" example.
2065
2066 2004-07-10  James E Wilson  <wilson@specifixinc.com>
2067
2068         * config/gofast.h (gofast_maybe_init_libfuncs): Use SImode for litodp.
2069
2070 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2071
2072         PR rtl-optimization/16001
2073         * loop-iv.c (iv_number_of_iterations): Prevent copy propagation in
2074         niter_expr.
2075
2076 2004-07-10  Geoffrey Keating  <geoffk@apple.com>
2077
2078         * config/darwin.h (LINK_COMMAND_SPEC): Don't call c++filt.
2079
2080 2004-07-10  Steve Kargl  <sgk@troutmask.apl.washington.edu>
2081             James Morrison  <phython@gcc.gnu.org>
2082
2083         * doc/contrib.texi (Contributors): Add gfortran contributors and
2084         fix a couple of typos.
2085
2086 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2087
2088         PR rtl-optimization/15387
2089         * calls.c (check_sibcall_argument_overlap_1): Handle pointers
2090         to incoming args space correctly.
2091
2092 2004-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2093
2094         * pa.c (output_indirect_call): Only use %r2 as the link register in
2095         indirect calls with the long PA 2.0 pc-relative branch.
2096
2097 2004-07-10  Daniel Jacobowitz  <dan@debian.org>
2098
2099         * config/i386/i386.c (override_options): Pick a 64-bit CPU
2100         for the default tuning if TARGET_64BIT.
2101
2102 2004-07-10  Richard Henderson  <rth@redhat.com>
2103
2104         * builtins.c (std_gimplify_va_arg_expr): Widen align/boundary
2105         to HOST_WIDE_INT.  Fold pad-args-down arithmetic.
2106
2107 2004-07-10  Jakub Jelinek  <jakub@redhat.com>
2108
2109         * expr.h (store_bit_field, extract_bit_field): Remove last argument.
2110         * expmed.c (store_bit_field, extract_bit_field): Remove last
2111         argument.
2112         * builtins.c (expand_builtin_signbit): Adjust callers.
2113         * optabs.c (expand_vector_binop, expand_vector_unop): Likewise.
2114         * calls.c (store_unaligned_arguments_into_pseudos): Likewise.
2115         * ifcvt.c (noce_emit_move_insn): Likewise.
2116         * stmt.c (expand_return): Likewise.
2117         * expr.c (emit_group_load, emit_group_store, copy_blkmode_from_reg,
2118         store_field, expand_expr_real_1): Likewise.
2119
2120 2004-07-10  Richard Henderson  <rth@redhat.com>
2121
2122         * builtins.c (std_gimplify_va_arg_expr): Fix borked BIT_AND_EXPR.
2123
2124 2004-07-09  Mike Stump  <mrs@apple.com>
2125
2126         * config/darwin.c (no_dead_strip): Add.
2127         (HAVE_DEAD_STRIP): Add.
2128         (darwin_emit_unwind_label): Ensure that we don't dead code strip
2129         the .eh label.
2130
2131 2004-07-09  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2132
2133         * tree-ssa-loop-im.c: New file.
2134         * Makefile.in (tree-ssa-loop-im.o): Add.
2135         * cfgloop.c (superloop_at_depth): New function.
2136         * cfgloop.h (superloop_at_depth): Declare.
2137         * common.opt (ftree-lim): New flag.
2138         * expr.c (array_ref_up_bound): New function.
2139         * params.def (PARAM_LIM_EXPENSIVE): New parameter.
2140         * timevar.def (TV_LIM): New timevar.
2141         * tree-dfa.c (compute_immediate_uses): Respect TDFA_USE flags when
2142         computing immediate uses of a phi node.
2143         * tree-flow.h (struct tree_ann_common_d): Add aux field.
2144         (loop_commit_inserts, for_each_index, tree_ssa_lim): Declare.
2145         * tree-optimize.c (init_tree_optimization_passes): Add pass_lim.
2146         * tree-pass.h (pass_lim): Declare.
2147         * tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im): New
2148         functions.
2149         (pass_lim): New pass structure.
2150         * tree-eh.c (tree_could_trap_p): Handle ARRAY_REFs correctly.
2151         * tree.c (in_array_bounds_p): New function.
2152         * tree.h (TREE_THIS_NOTRAP): Define also for ARRAY_REFs.
2153         (in_array_bounds_p, array_ref_up_bound): Declare.
2154         * doc/invoke.texi (-ftree-lim, --param lim-expensive): Document.
2155         * doc/passes.texi (tree-ssa-loop-im.c): Document.
2156
2157 2004-07-09  Richard Henderson  <rth@redhat.com>
2158
2159         * builtins.c (expand_builtin_stpcpy): Don't modify len.
2160
2161         * tree-ssa-ccp.c (ccp_fold_builtin): Strip conversion exprs
2162         with prejudice.
2163
2164 2004-07-10  Kelley Cook  <kcook@gcc.gnu.org>
2165
2166         * flags.h: Delete redundant prototypes that are being generated
2167         in options.h from common.opt.
2168         * common.opt: Add in the expository comments formerly in flags.h.
2169
2170 2004-07-09  Jan Beulich  <jbeulich@novell.com>
2171
2172         * config/i386/i386.c (init_cumulative_args): Set mmx/sse registers
2173         available for use only when TARGET_MMX/_SSE is set, and check for
2174         variable argument function if any register count is non-zero.
2175         (function_arg): Correctly suppress repeated warnings for passing SSE
2176         vectors are arguments without SSE enabled.
2177         (ix86_function_arg_boundary): Without SSE enabled, the use of what
2178         would be SSE register modes does no longer influence the alignment.
2179
2180 2004-07-09  Richard Henderson  <rth@redhat.com>
2181
2182         * builtins.c (std_gimplify_va_arg_expr): Deny ARGS_GROW_DOWNWARD.
2183         Always align upward to arg boundary.  Use size_in_bytes/round_up.
2184         Maintain type-correctness of constants.
2185         * stor-layout.c (round_up, round_down): Special-case powers of 2.
2186
2187 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
2188
2189         * config/sparc/sparc.c (*_costs): Scale instruction costs
2190         by COSTS_N_INSNS.
2191         (sparc_rtx_costs): Adjust as appropriate.
2192
2193 2004-07-09  Jan Beulich  <jbeulich@novell.com>
2194
2195         * config/i386/mm3dnow.h: New.
2196         * config.gcc: Add mm3dnow.h to extra_headers for i?86 and x86-64.
2197
2198 2004-07-09  Richard Henderson  <rth@redhat.com>
2199
2200         * simplify-rtx.c (simplify_const_relational_operation): Only
2201         look at bounds of scalar integers.
2202
2203 2004-07-09  Jan Beulich  <jbeulich@novell.com>
2204
2205         * config/i386/i386.md (sse2_clflush): Use correct operand for clflush.
2206
2207 2004-07-09  Andrew Pinski  <apinski@apple.com>
2208
2209         * objc/objc-act.c (build_module_descriptor): Mark UOBJC_MODULES_decl as
2210         always referenced.
2211         (synth_forward_declarations): Likewise for UOBJC_CLASS_decl and
2212         UOBJC_METACLASS_decl.
2213
2214 2004-07-09  James E Wilson  <wilson@specifixinc.com>
2215
2216         PR target/16364
2217         * config/ia64/ia64.c (ia64_function_arg): For a single element HFA,
2218         do return a parallel if hfa_mode == XFmode and mode == TImode.
2219
2220 2004-07-09  Jan Beulich  <jbeulich@novell.com>
2221
2222         * c-typeck.c (build_unary_op): include VECTOR_TYPE in set of codes
2223         permissible for unary plus.
2224
2225 2004-07-09  Jan Beulich  <jbeulich@novell.com>
2226
2227         * builtin-types.def (BT_UINT): Rename from BT_UNSIGNED.
2228         (BT_FN_UINT): Rename from BT_FN_UNSIGNED.
2229         (BT_FN_PTR_UINT): Rename from BT_FN_PTR_UNSIGNED.
2230         (BT_ULONG, BT_ULONGLONG, BT_UINTMAX, BT_FN_INT_UINT, BT_FN_INT_ULONG,
2231         BT_FN_INT_ULONGLONG, BT_FN_INT_INTMAX, BT_FN_INT_UINTMAX): New.
2232         * builtins.def (BUILTIN_CLZxxx, BUILTIN_CTXxxx, BUILTIN_PARITYxxx,
2233         BUILTIN_POPCOUNTxxx): Arguments are unsigned.
2234         (BUILTIN_xxxIMAX): New.
2235         * builtins.c (expand_builtin): Handle BUILT_IN_FFSIMAX,
2236         BUILT_IN_CLZIMAX, BUILT_IN_CTZIMAX, BUILT_IN_POPCOUNIMAX, and
2237         BUILT_IN_PARITYIMAX.
2238
2239 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
2240
2241         * config/sparc/sparc.h (processor_costs): Define.
2242         (sparc_costs): Declare.
2243         * config/sparc/sparc.c (cypress_costs, supersparc_costs,
2244         hypersparc_costs, sparclet_costs, ultrasparc_costs,
2245         ultrasparc3_costs): New.
2246         (sparc_override_options): Set sparc_costs as appropriate.
2247         (sparc_rtx_costs): Use sparc_costs instead of messy
2248         conditionals.
2249
2250 2004-07-09  Steven Bosscher  <stevenb@suse.de>
2251
2252         * doc/md.texi (Processor pipeline description): Mention that
2253         the old pipeline description is deprecated.
2254
2255         * config/rs6000/7450.md (automaton ppc7450): Split up, move
2256         mciu_7450 function unit to...
2257         (automaton ppc7450mciu): ...new automaton.
2258
2259         * haifa-sched.c (insert_schedule_bubbles_p): Remove.
2260         (schedule_block): Don't consider inserting bubbles.
2261         (sched_init): Don't initialize DFA bubbles.
2262         * target-def.h (TARGET_SCHED_INIT_DFA_BUBBLES,
2263         TARGET_SCHED_DFA_BUBBLE): Remove.
2264         * target.h (init_dfa_bubbles, dfa_bubble): Remove hooks.
2265         * doc/tm.texi (TARGET_SCHED_INIT_DFA_BUBBLES,
2266         TARGET_SCHED_DFA_BUBBLE): Remove documentation.
2267
2268         * stmt.c (conditional_context): Remove prototype.
2269         * tree.h (conditional_context): Remove.
2270         * tree-cfg.c (pre_insert_on_edge): Remove.
2271
2272         * c-common.h (c_expand_asm_operands): Remove prototype.
2273         * c-typeck.c (c_expand_asm_operands): Remove.
2274
2275 2004-07-09  Jan Beulich  <jbeulich@novell.com>
2276
2277         * config/i386/i386.c (classify_argument): Treat V1xx modes the same as
2278         their base modes. CTImode, TCmode, and XCmode must be passed in memory.
2279         TFmode (__float128) must be is an SSE/SSEUP pair. V2SImode, V4HImode,
2280         and V8QI are class SSE. All sufficiently small remaining vector modes
2281         must be passed in one or two integer registers.
2282         (ix86_libcall_value): TFmode must be returned in xmm0, XCmode must be
2283         returned in memory.
2284         (bdesc_2arg, ix86_init_mmx_sse_builtins): __builtin_ia32_pmuludq and
2285         __builtin_ia32_pmuludq128 have non-uniform argument and return types
2286         and must thus be handled explicitly.
2287         * config/i386/i386.md (*movdi_1_rex64): Add cases for moving between
2288         MMX and XMM regs.
2289         (movv8qi_internal, movv4hi_internal, movv2si_internal,
2290         movv2sf_internal): Permit moving between MMX and XMM registers (since
2291         MMX areguments and return values are passed in XMM registers).
2292         (sse2_umulsidi3): Correct type and mode.
2293
2294 2004-07-09  Richard Henderson  <rth@redhat.com>
2295
2296         * tree-cfg.c (dump_cfg_stats): Fix 64-bit format mismatch errors.
2297
2298 2004-07-09  Eric Christopher  <echristo@redhat.com>
2299
2300         * config/rs6000/40x.md: Split into two automatons.
2301
2302 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
2303             Andrew Pinski  <apinski@apple.com>
2304
2305         * c-opts.c (c_common_post_options): Force unit-at-a-time mode
2306         on when we have more than one input file.
2307         (c_common_parse_file): Restore loop over all input files.
2308         Clarify diagnostic for -dy when YYDEBUG wasn't defined.
2309
2310         * c-decl.c (set_type_context): New function.
2311         (pop_scope): Use it to set context of types.  When we
2312         encounter a TYPE_DECL, set the context of the attached type too.
2313         (pop_file_scope): Don't call cpp_undef_all here.
2314         (diagnose_mismatched_decls): Do not complain about a second
2315         definition of an 'extern inline' function if it's not in the
2316         same translation unit.  Do not complain about inline
2317         declaration after use if the use was in a different
2318         translation unit.
2319         (merge_decls): Don't clobber olddecl's DECL_CONTEXT.
2320         (pushdecl): Do not put DECL_EXTERNAL, !TREE_PUBLIC decls in
2321         the external scope.
2322         (pushdecl_top_level): Likewise.
2323         (grokdeclarator): Clarify what is going on with setting
2324         DECL_EXTERNAL on function types, a little.
2325         (c_write_global_declarations): Don't do anything if
2326         -fsyntax-only or errors have been encountered.
2327
2328 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
2329
2330         * vec.c, vec.h (vec_assert_fail): Use unsigned int for LINE argument.
2331
2332 2004-07-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2333
2334         PR target/16459
2335         * pa.c (output_indirect_call): Use %r2 as the link register when
2336         calling $$dyncall with a pc-relative branch.
2337
2338 2004-07-08  Gerald Pfeifer  <gerald@pfeifer.com>
2339
2340         * doc/install.texi (Binaries): Mention OpenPKG.
2341
2342 2004-07-09  Diego Novillo  <dnovillo@redhat.com>
2343
2344         Fix PR tree-optimization/15555
2345         * tree-dfa.c (dump_variable): If the variable is a pointer
2346         SSA_NAME, also dump its points-to information.
2347         * tree-flow.h (struct ptr_info_def): Add field
2348         is_dereferenced.
2349         (dump_points_to_info_for): Declare.
2350         (debug_points_to_info_for): Declare.
2351         * tree-optimize.c (init_tree_optimization_passes): Add a
2352         second alias analysis pass after DOM2.
2353         Move pass_del_pta to a later spot.
2354         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Do not
2355         create a name tags when we find a dereferenced pointer.  Just
2356         mark the pointer dereferenced.
2357         (collect_points_to_info_for): Move code to clear points-to
2358         information to create_name_tags.
2359         (create_name_tags): New function.
2360         (compute_flow_sensitive_aliasing): Call it.
2361         (setup_pointers_and_addressables): Mark type tags for renaming
2362         here instead of ...
2363         (create_memory_tag): ... here.
2364         (merge_pointed_to_info): Do not merge PT_MALLOC attributes.
2365         (dump_points_to_info_for): Declare extern.
2366         (debug_points_to_info_for): New function.
2367
2368 2004-07-09  Paolo Bonzini  <bonzini@gnu.org>
2369
2370         * config/arc/arc.md: Switch to DFA-based scheduler description.
2371         * config/arc/arc.c: Switch to DFA-based scheduler description.
2372
2373 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
2374
2375         * arm/unknown-elf.h (TARGET_DEFAULT): Don't require an APCS frame
2376         pointer.
2377
2378 2004-07-09  Richard Henderson  <rth@redhat.com>
2379
2380         * config/xtensa/xtensa-protos.h (xtensa_va_arg): Remove.
2381         * config/xtensa/xtensa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2382         (xtensa_gimplify_va_arg_expr): Rewrite from xtensa_va_arg.
2383         * config/xtensa/xtensa.h (EXPAND_BUILTIN_VA_ARG): Remove.
2384
2385         * config/v850/v850-protos.h (v850_va_arg): Remove.
2386         * config/v850/v850.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2387         (v850_gimplify_va_arg_expr): Rewrite from v850_va_arg.
2388         * config/v850/v850.h (EXPAND_BUILTIN_VA_ARG): Remove.
2389         (FUNCTION_ARG_PASS_BY_REFERENCE): Handle variable size types.
2390         (FUNCTION_ARG_CALLEE_COPIES): Use FUNCTION_ARG_PASS_BY_REFERENCE.
2391
2392 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
2393
2394         PR target/12133
2395         * arm.c (arm_legitimate_index_p) Allow DFmode for soft-float
2396         and DImode to use +/-4k offset.
2397
2398 2004-07-09  Richard Henderson  <rth@redhat.com>
2399
2400         * config/stormy16/stormy16-protos.h (xstormy16_expand_builtin_va_arg):
2401         Remove.
2402         * config/stormy16/stormy16.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2403         (xstormy16_gimplify_va_arg_expr): Rewrite from
2404         xstormy16_expand_builtin_va_arg.
2405         * config/stormy16/stormy16.h (EXPAND_BUILTIN_VA_ARG): Remove.
2406
2407         * config/sparc/sparc-protos.h (sparc_va_arg): Remove.
2408         * config/sparc/sparc.c (sparc_gimplify_va_arg): Mark static.
2409
2410         * config/sh/sh-protos.h (sh_va_arg): Remove.
2411         * config/sh/sh.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2412         (sh_gimplify_va_arg_expr): Rewrite from sh_va_arg.
2413         * config/sh/sh.h (EXPAND_BUILTIN_VA_ARG): Remove.
2414
2415         * config/pa/pa-protos.h (hppa_va_arg): Remove.
2416         * config/pa/pa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2417         (hppa_gimplify_va_arg_expr): Rewrite from hppa_va_arg.
2418         * config/pa/pa.h (EXPAND_BUILTIN_VA_ARG): Remove.
2419
2420         * config/mn10300/mn10300-protos.h (mn10300_va_arg): Remove.
2421         * config/mn10300/mn10300.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2422         (mn10300_gimplify_va_arg_expr): Rewrite from mn10300_va_arg.
2423         * config/mn10300/mn10300.h (EXPAND_BUILTIN_VA_ARG): Remove.
2424
2425 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
2426
2427         * config/sparc/sparc.md (return): Rewrite length formula.
2428         * config/sparc/sparc.c (output_return): Pass 1 as 5th
2429         argument to final_scan_insn when in a delay slot.
2430         (output_sibcall): Likewise.
2431
2432 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
2433
2434         * arm.c (arm_cpp_interwork): New variable.
2435         (arm_override_options): Set it if TARGET_INTERWORK was on the command
2436         line.
2437         * arm.h (arm_cpp_interwork): Declare it.
2438         (TARGET_CPU_CPP_BUILTINS): Use it to control definition of
2439         __THUMB_INTERWORK__ in the preprocessor.
2440
2441 2004-07-09  Nathan Sidwell  <nathan@codesourcery.com>
2442
2443         * vec.h (VEC_T_alloc): Fix MEM_STAT_DECL pasto.
2444
2445 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
2446
2447         PR target/16416
2448         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): New macro.
2449         Override default settings to account for -m32 and -m64.
2450
2451 2004-07-08  Randolph Chung  <tausq@debian.org>
2452
2453         * pa32-linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
2454
2455 2004-07-09  Alexandre Oliva  <aoliva@redhat.com>
2456
2457         * builtins.c (fold_builtin_strncpy): Make sure len is a constant
2458         before comparing it as such.
2459
2460 2004-07-08  Richard Henderson  <rth@redhat.com>
2461
2462         * builtins.c (std_gimplify_va_arg_expr): Hoist valist into a
2463         temporary.  Use bit arithmetic to align.
2464
2465 2004-07-08  Jerry Quinn  <jlquinn@optonline.net>
2466
2467         * alias.c (nonlocal_mentioned_p, nonlocal_referenced_p,
2468         nonlocal_set_p, init_alias_analysis): Use, LABEL_P, JUMP_P, CALL_P,
2469         NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
2470         * bb-reorder.c (mark_bb_for_unlikely_executed_section,
2471         add_labels_and_missing_jumps, find_jump_block,
2472         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
2473         Likewise.
2474         * bt-load.c (btr_referenced_p, compute_defs_uses_and_gen,
2475         link_btr_uses, move_btr_def): Likewise.
2476         * builtins.c (expand_builtin_longjmp, expand_builtin_nonlocal_goto,
2477         expand_builtin_expect_jump): Likewise.
2478         * caller-save.c (save_call_clobbered_regs, insert_one_insn): Likewise.
2479         * calls.c (expand_call, emit_library_call_value_1): Likewise.
2480         * cfganal.c (forwarder_block_p): Likewise.
2481         * cfgbuild.c (inside_basic_block_p, count_basic_blocks,
2482         make_label_edge, rtl_make_eh_edge, make_edges, find_basic_blocks_1,
2483         find_bb_boundaries): Likewise.
2484         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
2485         merge_blocks_move_predecessor_nojumps,
2486         merge_blocks_move_successor_nojumps, insns_match_p,
2487         flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
2488         try_optimize_cfg): Likewise.
2489         * cfgexpand.c (expand_block, construct_exit_block): Likewise.
2490         * cfglayout.c (skip_insns_after_block, label_for_bb,
2491         record_effective_endpoints, insn_locators_initialize,
2492         fixup_reorder_chain, update_unlikely_executed_notes): Likewise.
2493         * cfgmainloop.c (create_loop_notes): Likewise.
2494         * cfgrtl.c (delete_insn, delete_insn_chain,
2495         create_basic_block_structure, rtl_delete_block, free_bb_for_insn,
2496         update_bb_for_insn, rtl_merge_blocks, rtl_can_merge_blocks,
2497         block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
2498         redirect_branch_edge, force_nonfallthru_and_redirect,
2499         rtl_tidy_fallthru_edge, back_edge_of_syntactic_loop_p,
2500         rtl_split_edge, commit_one_edge_insertion, print_rtl_with_bb,
2501         update_br_prob_note, rtl_verify_flow_info_1, rtl_verify_flow_info,
2502         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
2503         cfg_layout_delete_block, cfg_layout_can_merge_blocks_p,
2504         cfg_layout_merge_blocks, rtl_block_ends_with_call_p,
2505         need_fake_edge_p, rtl_flow_call_edges_add): Likewise.
2506         * combine.c (combine_instructions, can_combine_p, try_combine,
2507         find_split_point, record_dead_and_set_regs, reg_dead_at_p,
2508         distribute_notes, distribute_links, insn_cuid): Likewise.
2509         * cse.c (fold_rtx, cse_insn, cse_around_loop,
2510         invalidate_skipped_block, cse_set_around_loop,
2511         cse_end_of_basic_block, cse_main, cse_basic_block,
2512         cse_condition_code_reg): Likewise.
2513         * cselib.c (cselib_process_insn): Likewise.
2514         * ddg.c (create_ddg): Likewise.
2515         * df.c (df_insn_refs_record, df_bb_rd_local_compute, df_insns_modify):
2516         Likewise.
2517         * dwarf2out.c (dwarf2out_stack_adjust, dwarf2out_frame_debug,
2518         gen_label_die, dwarf2out_var_location): Likewise.
2519         * emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn,
2520         next_insn, previous_insn, next_nonnote_insn, prev_nonnote_insn,
2521         last_call_insn, active_insn_p, next_label, prev_label,
2522         link_cc0_insns, next_cc0_user, try_split, add_insn_after,
2523         add_insn_before, remove_insn, add_function_usage_to,
2524         reorder_insns, find_line_note, remove_unnecessary_notes,
2525         emit_insn_after_1, classify_insn): Likewise.
2526         * except.c (convert_from_eh_region_ranges_1, emit_to_new_bb_before,
2527         connect_post_landing_pads, sjlj_mark_call_sites,
2528         sjlj_emit_function_enter, sjlj_emit_function_exit, reachable_handlers,
2529         can_throw_internal, can_throw_external, set_nothrow_function_flags,
2530         convert_to_eh_region_ranges): Likewise.
2531         * explow.c (optimize_save_area_alloca): Likewise.
2532         * expr.c (expand_expr_real): Likewise.
2533         * final.c (insn_current_reference_address, compute_alignments,
2534         shorten_branches, final, scan_ahead_for_unlikely_executed_note,
2535         final_scan_insn, output_asm_label, leaf_function_p): Likewise.
2536         * flow.c (first_insn_after_basic_block_note, delete_dead_jumptables,
2537         propagate_block_delete_insn, propagate_one_insn,
2538         init_propagate_block_info, propagate_block, libcall_dead_p,
2539         mark_set_1, attempt_auto_inc, find_auto_inc, try_pre_increment):
2540         Likewise.
2541         * function.c (instantiate_virtual_regs, reorder_blocks_1,
2542         expand_function_start, expand_function_end, contains,
2543         thread_prologue_and_epilogue_insns,
2544         reposition_prologue_and_epilogue_notes): Likewise.
2545         * gcse.c (constprop_register, bypass_conditional_jumps,
2546         insert_insn_end_bb, gcse_after_reload): Likewise.
2547         * genemit.c (gen_expand, gen_split): Likewise.
2548         * genpeep.c (gen_peephole, main): Likewise.
2549         * global.c (build_insn_chain): Likewise.
2550         * graph.c (node_data, print_rtl_graph_with_bb): Likewise.
2551         * haifa-sched.c (unlink_other_notes, unlink_line_notes,
2552         get_block_head_tail, no_real_insns_p, rm_line_notes, save_line_notes,
2553         restore_line_notes, rm_redundant_line_notes, rm_other_notes,
2554         ok_for_early_queue_removal, set_priorities, sched_init): Likewise.
2555         * ifcvt.c (count_bb_insns, first_active_insn, last_active_insn,
2556         cond_exec_process_insns, end_ifcvt_sequence, noce_process_if_block,
2557         merge_if_block, block_jumps_and_fallthru_p, find_if_block,
2558         dead_or_predicable): Likewise.
2559         * integrate.c (try_constants): Likewise.
2560         * jump.c (rebuild_jump_labels, cleanup_barriers,
2561         purge_line_number_notes, init_label_info, mark_all_labels,
2562         squeeze_notes, get_label_before, get_label_after,
2563         reversed_comparison_code_parts, simplejump_p, pc_set,
2564         returnjump_p, onlyjump_p, follow_jumps, mark_jump_label,
2565         delete_barrier, delete_prior_computation, delete_computation,
2566         delete_related_insns, delete_for_peephole, redirect_jump):
2567         Likewise.
2568         * lcm.c (optimize_mode_switching): Likewise.
2569         * local-alloc.c (validate_equiv_mem, update_equiv_regs, block_alloc):
2570         Likewise.
2571         * loop-doloop.c (doloop_valid_p, doloop_optimize): Likewise.
2572         * loop-invariant.c (find_exits, find_invariants_bb): Likewise.
2573         * loop-iv.c (simplify_using_assignment): Likewise.
2574         * loop.c (compute_luids, loop_optimize, scan_loop, libcall_other_reg,
2575         libcall_benefit, skip_consec_insns, move_movables, prescan_loop,
2576         find_and_verify_loops, labels_in_range_p, for_each_insn_in_loop,
2577         loop_bivs_init_find, strength_reduce, check_insn_for_bivs,
2578         check_insn_for_givs, check_final_value, update_giv_derive,
2579         basic_induction_var, product_cheap_p, check_dbra_loop,
2580         loop_insn_first_p, last_use_this_basic_block,
2581         canonicalize_condition, get_condition, loop_regs_scan, load_mems,
2582         try_copy_prop, LOOP_BLOCK_NUM, loop_dump_aux): Likewise.
2583         * modulo-sched.c (doloop_register_get, find_line_note, sms_schedule,
2584         sms_schedule_by_order): Likewise.
2585         * optabs.c (emit_no_conflict_block, emit_libcall_block): Likewise.
2586         * postreload.c (reload_cse_simplify_operands, reload_combine,
2587         reload_cse_move2add): Likewise.
2588         * predict.c (can_predict_insn_p, estimate_probability,
2589         expected_value_to_br_prob, process_note_predictions): Likewise.
2590         * print-rtl.c (print_rtx, print_rtl, print_rtl_single): Likewise.
2591         * profile.c (branch_prob): Likewise.
2592         * ra-build.c (live_out_1, livethrough_conflicts_bb,
2593         detect_webs_set_in_cond_jump): Likewise.
2594         * ra-debug.c (ra_print_rtx_object, ra_debug_insns,
2595         ra_print_rtl_with_bb): Likewise.
2596         * ra-rewrite.c (insert_stores, rewrite_program2): Likewise.
2597         * recog.c (next_insn_tests_no_inequality, find_single_use,
2598         split_all_insns, peephole2_optimize, if_test_bypass_p): Likewise.
2599         * reg-stack.c (next_flags_user, record_label_references,
2600         emit_swap_insn, swap_rtx_condition, subst_stack_regs,
2601         compensate_edge, convert_regs_1): Likewise.
2602         * regclass.c (scan_one_insn): Likewise.
2603         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
2604         regmove_optimize, fixup_match_1, single_set_for_csa,
2605         combine_stack_adjustments_for_block): Likewise.
2606         * regrename.c (build_def_use, copyprop_hardreg_forward_1): Likewise.
2607         * reload.c (find_reloads, find_reloads_address_1, subst_reloads,
2608         find_equiv_reg): Likewise.
2609         * reload1.c (reload, calculate_needs_all_insns, set_label_offsets,
2610         reload_as_needed, emit_input_reload_insns, do_output_reload,
2611         delete_output_reload, delete_address_reloads_1, fixup_abnormal_edges):
2612         Likewise.
2613         * reorg.c (find_end_label, emit_delay_sequence,
2614         delete_from_delay_slot, delete_scheduled_jump, optimize_skip,
2615         get_jump_flags, rare_destination, mostly_true_jump,
2616         try_merge_delay_insns, redundant_insn, own_thread_p,
2617         fill_simple_delay_slots, fill_slots_from_thread,
2618         fill_eager_delay_slots, relax_delay_slots, make_return_insns,
2619         dbr_schedule): Likewise.
2620         * resource.c (find_basic_block, next_insn_no_annul,
2621         find_dead_or_set_registers, mark_target_live_regs): Likewise.
2622         * rtl.h (RTX_PREV): Likewise.
2623         * rtlanal.c (global_reg_mentioned_p, no_labels_between_p,
2624         no_jumps_between_p, reg_used_between_p, reg_referenced_between_p,
2625         reg_set_p, find_last_value, dead_or_set_regno_p, find_reg_fusage,
2626         find_regno_fusage, pure_call_p, replace_label, rtx_referenced_p_1,
2627         tablejump_p, computed_jump_p, insns_safe_to_move_p,
2628         find_first_parameter_load, can_hoist_insn_p): Likewise.
2629         * sched-deps.c (get_condition, add_dependence, sched_analyze_2,
2630         sched_analyze_insn, sched_analyze, add_forward_dependence): Likewise.
2631         * sched-ebb.c (fix_basic_block_boundaries, add_deps_for_risky_insns,
2632         schedule_ebbs): Likewise.
2633         * sched-rgn.c (is_cfg_nonregular, find_conditional_protection,
2634         is_conditionally_protected, can_schedule_ready_p,
2635         add_branch_dependences, debug_dependencies): Likewise.
2636         * stmt.c (emit_nop, expand_start_case, emit_jump_if_reachable):
2637         Likewise.
2638         * unroll.c (unroll_loop, copy_loop_body, back_branch_in_range_p,
2639         reg_dead_after_loop, loop_find_equiv_value, loop_iterations,
2640         set_dominates_use, ujump_to_loop_cont): Likewise.
2641         * var-tracking.c (prologue_stack_adjust, vt_initialize): Likewise.
2642         * varasm.c (output_constant_pool_1): Likewise.
2643
2644 2004-07-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2645
2646         * tree-scalar-evolution.c: New file.
2647         * tree-scalar-evolution.h: New file.
2648         * tree-ssa-loop-niter.c: New file.
2649         * Makefile.in (SCEV_H): New.
2650         (tree-scalar-evolution.o, tree-ssa-loop-niter.o): Add new files.
2651         * cfgloop.h (struct loop): Add bounds field.
2652         * tree-flow.h (struct tree_niter_desc): New type.
2653         (number_of_iterations_cond, number_of_iterations_exit,
2654         loop_niter_by_eval, find_loop_niter_by_eval,
2655         estimate_numbers_of_iterations, can_count_iv_in_wider_type,
2656         free_numbers_of_iterations_estimates): Declare.
2657         * tree.h (lower_bound_in_type, upper_bound_in_type): Declare.
2658         * params.def (PARAM_MAX_ITERATIONS_TO_TRACK): New parameter.
2659         * doc/invoke.texi (max-iterations-to-track): Document.
2660
2661 2004-07-08  Kaz Kojima  <kkojima@gcc.gnu.org>
2662
2663         * config/sh/sh.c (sh_va_arg): Initinalize lab_over.
2664         * config/sh/sh.h (CONST_OK_FOR_J16): Use parentheses.
2665         (MODE_AFTER): Add cast appropriately.
2666         * config/sh/sh.md (movdi splitter): Likewise.
2667         (casesi_worker_2): Add const qualifier appropriately.
2668         (eh_return): Remove unused variable.
2669         (insv): Initialize v;
2670
2671 2004-07-08  Richard Henderson  <rth@redhat.com>
2672
2673         * config/mmix/mmix-protos.h (mmix_expand_builtin_va_arg): Remove.
2674         * config/mmix/mmix.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2675         (mmix_gimplify_va_arg_expr): Rewrite from mmix_expand_builtin_va_arg.
2676         * config/mmix/mmix.h (EXPAND_BUILTIN_VA_ARG): Remove.
2677         (FRAME_POINTER_REQUIRED): Use current_function_has_nonlocal_label.
2678
2679         * config/m32r/m32r-protos.h (m32r_va_arg): Remove.
2680         * config/m32r/m32r.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2681         (m32r_gimplify_va_arg_expr): Rewrite from m32r_va_arg.
2682         * config/m32r/m32r.h (EXPAND_BUILTIN_VA_ARG): Remove.
2683
2684         * config/iq2000/iq2000-protos.h (iq2000_va_arg): Remove.
2685         * config/iq2000/iq2000.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2686         (iq2000_gimplify_va_arg_expr): Rewrite from iq2000_va_arg.
2687         * config/iq2000/iq2000.h (EXPAND_BUILTIN_VA_ARG): Remove.
2688
2689         * config/frv/frv-protos.h (frv_expand_builtin_va_arg): Remove.
2690         * config/frv/frv.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2691         (frv_gimplify_va_arg_expr): Rewrite from frv_expand_builtin_va_arg.
2692         * config/frv/frv.h (EXPAND_BUILTIN_VA_ARG): Remove.
2693
2694         * config/i860/i860-protos.h (i860_va_arg): Remove.
2695         * config/i860/i860.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2696         (i860_gimplify_va_arg_expr): Rewrite from i860_va_arg.
2697         * config/i860/i860.h (EXPAND_BUILTIN_VA_ARG): Remove.
2698
2699 2004-05-31  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
2700
2701         * system.h: Prototype getpagesize if missing.
2702         * configure.ac: Add getpagesize to gcc_AC_CHECK_DECLS.
2703         * configure: Regenerate.
2704         * config.in: Regenerate.
2705
2706 2004-07-08  Richard Henderson  <rth@redhat.com>
2707
2708         * config/fr30/fr30-protos.h (fr30_va_arg): Remove.
2709         * config/fr30/fr30.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2710         (fr30_gimplify_va_arg_expr): New.
2711         (fr30_pass_by_reference, fr30_pass_by_value, fr30_va_arg): Remove.
2712         * config/fr30/fr30.h (EXPAND_BUILTIN_VA_ARG): Remove.
2713
2714 2004-07-08  Vladimir Makarov  <vmakarov@redhat.com>
2715
2716         PR target/16414
2717         * config/ia64/ia64.c (ia64_dfa_new_cycle): Fix typo in comparison
2718         of asm_noperands result.
2719
2720 2004-07-08  Richard Henderson  <rth@redhat.com>
2721
2722         * config/cris/cris-protos.h (cris_expand_builtin_va_arg): Remove.
2723         * config/cris/cris.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2724         (cris_gimplify_va_arg_expr): Rewrite from cris_expand_builtin_va_arg.
2725         * config/cris/cris.h (EXPAND_BUILTIN_VA_ARG): Remove.
2726
2727 2004-07-08  Richard Henderson  <rth@redhat.com>
2728
2729         * builtins.c (ind_gimplify_va_arg_expr): New.
2730         * tree.h (ind_gimplify_va_arg_expr): Declare.
2731         * config/arc/arc.c (arc_gimplify_va_arg_expr): Use it.
2732
2733 2004-07-08  Jan Beulich  <jbeulich@novell.com>
2734
2735         * expmed.c (extract_bit_field): Correct condition to use vec_extract
2736         patterns also on vector elements other than the first one.
2737         * config/i386/i386.md (vec_extractv2df, vec_extractv4sf): Add missing
2738         break statements.
2739
2740 2004-07-08  Geoffrey Keating  <geoffk@apple.com>
2741
2742         * config/rs6000/darwin-ldouble.c: Correct reference
2743         to the Linnainmaa paper.
2744
2745 2004-07-08  Richard Henderson  <rth@redhat.com>
2746
2747         * config/arc/arc-protos.h (arc_va_arg): Remove.
2748         * config/arc/arc.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2749         (arc_gimplify_va_arg_expr): Rewrite from arc_va_arg.
2750         * config/arc/arc.h (EXPAND_BUILTIN_VA_ARG): Remove.
2751
2752         * config/c4x/c4x-protos.h (c4x_va_arg): Remove.
2753         * config/c4x/c4x.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2754         (c4x_gimplify_va_arg_expr): Rewrite from c4x_va_arg.
2755         * config/c4x/c4x.h (EXPAND_BUILTIN_VA_ARG): Remove.
2756
2757 2004-07-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2758
2759         * pa.md (prefetch_32, prefetch_64): Simplify constraint checks.
2760
2761 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
2762
2763         * c-decl.c (static_ctors, static_dtors): Make static.
2764         (pop_file_scope): Call c_common_write_pch and
2765         cgraph_finalize_compilation_unit here.
2766         (build_cdtor): Moved here from c-objc-common.c; simplify.
2767         (c_write_global_declarations_1): Clarify comment.
2768         (c_write_global_declarations): Close the external scope before
2769         doing anything else.  Call build_cdtor, cgraph_optimize, and
2770         mudflap_finish_file here.
2771         * c-lang.c (finish_file): Don't call c_objc_common_finish_file.
2772         Clarify comment.
2773         * c-objc-common.c: No need to include cgraph.h.
2774         (build_cdtor): Moved to c-decl.c.
2775         (c_objc_common_finish_file): Delete.
2776         * c-tree.h: Update to match.
2777         * objc/objc-act.c (finish_file): Don't call c_objc_common_finish_file.
2778         (generate_static_references): Set TREE_USED before calling finish_decl.
2779         Eliminate unnecessary dummy declaration.  Call rest_of_decl_compilation
2780         on the static_instances_decl.
2781
2782 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
2783
2784         * c-decl.c (pop_scope): Do not set DECL_CONTEXT on file-scope
2785         decls when there is only one input translation unit.
2786         * langhooks.c (lhd_set_decl_assembler_name): Partially revert
2787         change of 2004-07-05; do not treat declarations with
2788         DECL_CONTEXT a TRANSLATION_UNIT_DECL specially.
2789         * opts.c (cur_in_fname): Delete.
2790         * opts.h: Likewise.
2791         * tree.c: Revert changes of 2004-07-05; no special treatment
2792         for TRANSLATION_UNIT_DECLs.
2793         * Makefile.in (tree.o): Update dependencies.
2794
2795 2004-07-08  Roger Sayle  <roger@eyesopen.com>
2796
2797         * builtins.c (fold_builtin_strcpy): Merge functionality from
2798         simplify_builtin_strcpy.  Add additional len argument.  No longer
2799         static.  Remove function prototype.
2800         (fold_builtin_strncpy): Likewise integrate functionality from
2801         simplify_builtin_strncpy.  Add additional slen argument.  No
2802         longer static.  Remove function prototype.
2803         (simplify_builtin_strcy, simplify_builtin_strncpy): Delete.
2804         (simplify_builtin_fputs): Rename to fold_builtin_fputs.  Change
2805         types of "ignore" and "unlocked" parameters to bool.
2806         (fold_builtin_1):  Add additional ignore argument.  Call renamed
2807         fold_builtin_fputs to simplify GCC "fputs" and "fputs_unlocked"
2808         builtins.  Update arguments to fold_builtin_strncpy and
2809         fold_builtin_strcpy.  Add function prototype.
2810         (fold_builtin): Add additional Boolean ignore argument to pass
2811         to fold_builtin_1.
2812         (simplify_builtin): Call fold_builtin_fputs, fold_builtin_strcpy
2813         and fold_builtin_strncpy instead of simplify_builtin_fputs,
2814         simplify_builtin_strcpy and simplify_builtin_strncpy respectively.
2815
2816         * expr.h (simplify_builtin_fputs, simplify_builtin_strcpy,
2817         simplify_builtin_strncpy): Delete function prototypes.
2818         * tree.h (fold_builtin_fputs, fold_builtin_strcpy,
2819         fold_builtin_strncpy): Add function prototypes here.
2820         (fold_builtin): Update function prototype with new "bool ignore".
2821
2822         * tree-ssa-ccp.c (ccp_fold): Update call to fold_builtin.
2823         (ccp_fold_builtin):  Update call to fold_builtin.  Call
2824         fold_builtin_fputs, fold_builtin_strcpy and fold_builtin_strncpy
2825         instead of simplify_builtin_fputs, simplify_builtin_strcpy and
2826         simplify_builtin_strncpy respectively.
2827         * fold-const.c (fold): Update call to fold_builtin.
2828
2829 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
2830
2831         * builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy
2832         to strcpy.
2833
2834         * expr.h (FUNCTION_ARG_PARTIAL_NREGS): Default to 0.
2835         (FUNCTION_ARG_PASS_BY_REFERENCE): Likewise.
2836         (FUNCTION_ARG_CALLEE_COPIES): Likewise.
2837         * calls.c: Remove ifdefs of macros above.
2838         * functions.c: Likewise.
2839         * expr.c: Likewise.
2840
2841 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
2842
2843         * config/sparc/sparc.md (UNSPECV_GOTO_V9): Delete.
2844         (arch attribute): Delete.
2845         (current_function_calls_alloca attribute): Rename into calls_alloca.
2846         (calls_eh_return): New attribute.
2847         (leaf_function): Likewise.
2848         (length attribute): Fix formula for sibcalls.
2849         (return insn): Correctly compute the 'length' attribute.
2850         (do_builtin_setjmp_setup): Adjust use of current_function_calls_alloca.
2851
2852 2004-07-08  Richard Henderson  <rth@redhat.com>
2853
2854         * tree-cfg.c (make_exit_edges): Use get_call_expr_in.
2855         (remove_useless_stmts_1, is_ctrl_altering_stmt): Likewise.
2856         (tree_block_ends_with_call_p, need_fake_edge_p): Likewise.
2857         * tree-eh.c (lower_eh_constructs_1): Likewise.
2858         * tree-sra.c (sra_walk_modify_expr): Likewise.
2859         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
2860         (eliminate_unnecessary_stmts): Likewise.
2861         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
2862         * tree-tailcall.c (optimize_tail_call): Likewise.
2863         * tree-ssa-ccp.c (get_rhs, set_rhs): Reorg to use switch.
2864
2865 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
2866             Jakub Jelinek  <jakub@redhat.com>
2867
2868         * config/i386/i386.c (override_options): Enable
2869         SSE prefetches with -mtune, as long as we are
2870         compiling for i686 or higher.  All i686 processors
2871         accept SSE prefetches as NOPS, some i586's don't.
2872
2873 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
2874
2875         PR target/10567
2876         * config/sparc/sparc.md (update_return): Honor flag_delayed_branch.
2877
2878 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
2879
2880         * tree-ssa-operands.c (get_asm_expr_operands): Fix thinkos in
2881         the handling of clobbering ASM_EXPRs.
2882
2883 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
2884
2885         PR target/16430
2886         * config/sparc/sparc.c (function_value): In 64-bit mode,
2887         return the aggregates larger than 16 bytes like unions.
2888
2889 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
2890
2891         PR target/16199
2892         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): When
2893         'temp' is zero, generate new pseudos as needed and emit the
2894         sequence of insns in single-assignment form.  Resync comments
2895         with code.
2896         (sparc_emit_set_const64): Pass zero as 'temp' argument to above
2897         function before reload.
2898
2899 2004-07-08  Nathan Sidwell  <nathan@codesourcery.com>
2900
2901         * vec.c (vec_assert_fail): Remove duplicate 'function'.
2902
2903         * vec.c (vec_p_reserve, vec_o_reserve): Allocation is signed.
2904
2905         * vec.h (VEC_alloc, VEC_embedded_size, VEC_embedded_init):
2906         Allocation is signed.
2907         (VEC_reserve): Return flag, allocation is signed.
2908
2909 2004-07-08  Richard Henderson  <rth@redhat.com>
2910
2911         * tree-ssa-ccp.c (fold_stmt): Get type directly from
2912         OBJ_TYPE_REF_OBJECT.
2913
2914 2004-07-08  Joseph S. Myers  <jsm@polyomino.org.uk>
2915             Neil Booth  <neil@daikokuya.co.uk>
2916
2917         PR c/2511
2918         PR c/3325
2919         * c-decl.c (finish_struct): Ensure bit-fields are given the
2920         correct type.
2921         * c-common.c (c_common_signed_or_unsigned_type): For C, require
2922         the precision to match as well as the mode.
2923         * expr.c (reduce_to_bit_field_precision): New function.
2924         (expand_expr_real_1): Reduce expressions of bit-field type to
2925         proper precision.
2926         * langhooks.h (reduce_bit_field_operations): New hook.
2927         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
2928         Define.
2929         * c-lang.c, objc/objc-lang.c
2930         (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Define.
2931         * objc/objc-act.c (check_ivars): Convert types to bit-field types
2932         before checking.
2933         * tree.c (build_nonstandard_integer_type): New function.
2934         * tree.h (build_nonstandard_integer_type): New prototype.
2935         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't treat
2936         conversions between integer and boolean types as useless.
2937
2938 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
2939
2940         * c-common.c (c_common_nodes_and_builtins): Do not
2941         create __builtin_ptrdiff_t and __builtin_size_t.
2942
2943 2004-07-08  Andrew Pinski  <apinski@apple.com>
2944
2945         * Makefile.in (libbackend.o): Add -combine to the gcc
2946         command line.
2947
2948 2004-07-08  Nick Clifton  <nickc@redhat.com>
2949
2950         * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Define.
2951         Set to -Os.
2952
2953 2004-07-08  Richard Henderson  <rth@redhat.com>
2954
2955         * except.c (expand_eh_region_start, expand_eh_region_end,
2956         expand_eh_handler, expand_eh_region_end_cleanup,
2957         expand_start_all_catch, expand_start_catch, expand_end_catch,
2958         expand_end_all_catch, expand_eh_region_end_allowed,
2959         expand_eh_region_end_must_not_throw, expand_eh_region_end_throw,
2960         expand_eh_region_end_fixup): Remove.
2961         * stmt.c (struct nesting): Remove stack_level, innermost_stack_block,
2962         cleanups, outer_cleanups, label_chain, exception_region.
2963         (struct goto_fixup): Remove stack_level, cleanup_list_list.
2964         (struct label_chain): Remove.
2965         (struct stmt_status): Remove x_stack_block_stack.
2966         (stack_block_stack, expand_goto_internal, expand_fixup, expand_fixups,
2967         fixup_gotos, save_stack_pointer, expand_decl_cleanup,
2968         expand_decl_cleanup_eh, expand_cleanups, start_cleanup_deferral,
2969         end_cleanup_deferral, last_cleanup_this_contour,
2970         containing_blocks_have_cleanups_or_stack_level,
2971         any_pending_cleanups): Remove.
2972         (expand_null_return_1): Take no arguments.
2973         (expand_label, expand_naked_return, expand_return,
2974         expand_start_bindings_and_block, expand_end_bindings, expand_decl,
2975         expand_anon_union_decl, expand_start_case, pushcase, pushcase_range,
2976         expand_end_case_type): Don't use any of them.
2977         * calls.c (expand_call): Likewise.
2978         * dojump.c (do_jump): Likewise.
2979         * function.c (expand_function_end): Likewise.
2980         * expr.c (store_expr, expand_expr_real_1): Likewise.
2981         (safe_from_p): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR.
2982         (expand_expr_real_1): Don't handle WITH_CLEANUP_EXPR,
2983         CLEANUP_POINT_EXPR, TARGET_EXPR, TRY_CATCH_EXPR, CATCH_EXPR,
2984         EH_FILTER_EXPR, TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR.
2985         * fold-const.c (fold_checksum_tree): Use first_rtl_op.
2986         * gengtype.c (adjust_field_tree_exp): Remove rtl op handling.
2987         * gimplify.c (gimplify_cleanup_point_expr): Renumber operands
2988         for WITH_CLEANUP_EXPR.
2989         (gimple_push_cleanup): Likewise.
2990         * integrate.c (copy_decl_for_inlining): Don't DECL_TOO_LATE.
2991         * print-tree.c (print_node): Likewise.
2992         * tree-pretty-print.c (dump_generic_node): Remove GOTO_SUBROUTINE_EXPR.
2993         * tree.c (first_rtl_op): Always just TREE_CODE_LENGTH.
2994         (has_cleanups): Remove GOTO_SUBROUTINE_EXPR.
2995         * tree.def (WITH_CLEANUP_EXPR): Remove op1 and op2.
2996         (GOTO_SUBROUTINE_EXPR): Remove.
2997         * tree.h (WITH_CLEANUP_EXPR_RTL): Remove.
2998         (DECL_TOO_LATE): Remove.
2999         * except.h, tree.h: Update decls.
3000
3001 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
3002
3003         * explow.c (optimize_save_area_alloca): Do not accept parameters.
3004         * passes.c (rest_of_handle_final): Handle symout.
3005         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc):
3006         Push timevar here.
3007         (rest_of_handle_sched): Break out SMS.  Remove ifs for
3008         flag_schedule_insns and flag_modulo_sched.
3009         (rest_of_handle_addressof, rest_of_handle_cse2): Garbage
3010         collect at the end.
3011         (rest_of_handle_gcse2): Put under timevar TV_RELOAD_CSE_REGS.
3012         (rest_of_handle_partition_blocks, rest_of_handle_sms,
3013         rest_of_handle_if_after_reload, rest_of_handle_peephole2,
3014         rest_of_handle_mode_switching, rest_of_handle_jump,
3015         rest_of_handle_guess_branch_prob, rest_of_handle_eh,
3016         rest_of_handle_jump2, rest_of_handle_postreload,
3017         rest_of_handle_flow2, rest_of_clean_state,
3018         rest_of_handle_shorten_branches,
3019         rest_of_handle_prologue_epilogue,
3020         rest_of_handle_branch_target_load_optimize): New.
3021         (rest_of_compilation): Call the above.  Remove ggc_collect
3022         calls moved to rest_of_handle_*.
3023         * rtl.h (optimize_save_area_alloca): Do not accept parameters.
3024
3025         * dwarf2out.c (dwarf2out_begin_prologue): Use TREE_NOTHROW.
3026         * except.c (set_nothrow_function_flags): Set TREE_NOTHROW.
3027         * except.h (set_nothrow_function_flags): Update comment.
3028         * function.c (current_function_nothrow): Remove.
3029         * output.h (current_function_nothrow): Remove.
3030         * passes.c (rest_of_compilation): Do not set TREE_NOTHROW.
3031         * config/arm/arm.c (arm_compute_func_type): Use TREE_NOTHROW.
3032
3033 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
3034
3035         PR bootstrap/16326
3036         * reorg.c: Revert 2004-06-30 change.
3037         (find_end_label): If HAVE_epilogue and !HAVE_return,
3038         return 0 instead of creating a label at the end of the insn chain.
3039         (optimize_skip): Account for the failure mode of find_end_label.
3040         (fill_simple_delay_slots): Likewise.
3041         (fill_slots_from_thread): Likewise.
3042         (relax_delay_slots): Likewise.
3043
3044 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
3045
3046         * tree-flow.h (addressable_vars): Declare.
3047         * tree-ssa-alias.c (addressable_vars): Define.
3048         (setup_pointers_and_addressables): Add addressable variables
3049         to addressable_vars.
3050         * tree-ssa-operands.c (get_stmt_operands): Move
3051         handling of ASM_EXPRs ...
3052         (get_asm_expr_operands): ... here.
3053         When the ASM_EXPR clobbers memory, also clobber addressable
3054         variables.
3055         * tree-ssa.c (init_tree_ssa): Initialize addressable_vars.
3056         (delete_tree_ssa): Reset addressable_vars.
3057
3058 2004-07-07  Jan Beulich  <jbeulich@novell.com>
3059             Richard Henderson  <rth@redhat.com>
3060
3061         * varasm.c (assemble_variable): Use assemble_zeros for
3062         zero-initialized variables.
3063         (categorize_decl_for_section): Honor flag_zero_initialized_in_bss
3064         for SECCAT_BSS and SECCAT_TBSS.
3065
3066 2004-07-07  Jan Beulich  <jbeulich@novell.com>
3067
3068         * varasm.c (asm_output_bss): Don't declare unless BSS_SECTION_ASM_OP.
3069
3070         * expmed.c (emit_store_flag): Also special-case double-word
3071         (in-)equality comparison against -1.
3072
3073         * config/i386/i386.c (ix86_gimplify_va_arg): Don't need temporary for
3074         passing arguments the containers for which are registers.
3075
3076         * calls.c (emit_library_call_value_1): Use mode of function parameter
3077         rather than that of argument since constants have none.
3078
3079 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
3080
3081         Introduce H8SX support.
3082         * expr.c (expand_strcpy): Renamed and moved to...
3083         * builtins.c (expand_movstr): ... here.  Tweak.
3084         (expand_builtin_strcpy): Adjust.  Use movstr if len can't be
3085         computed or has side effects.
3086         (expand_builtin_stpcpy): Likewise.  Use strcpy if return value is
3087         unused, or if mempcpy fails.  Adjust the return value in the
3088         latter case.  Use movstr if everything else fails.
3089         * doc/md.texi (movstr): Document.
3090         (movmemM, clrmemM): Fix explanation of memory block operands.
3091         * config/h8300/h8300.md (stpcpy): Renamed to...
3092         (movstr): ... this.  Adjust.
3093         2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
3094         * config/h8300/h8300.md: Rename movstr*, except for movstrict*, to
3095         movmem* and clrstr* to clrmem*.
3096         2004-06-27  Alexandre Oliva  <aoliva@redhat.com>
3097         * config/h8300/h8300.c (h8300_reg_class_from_letter): Map 'D' to
3098         GENERAL_REGS, always.
3099         (h8300_swap_into_er6, h8300_swap_into_er6): Handle the case of
3100         getting the stack pointer as addr.
3101         * config/h8300/h8300.h (PREDICATE_CODES): Remove constant rtxes
3102         from general_operand_dst.
3103         * config/h8300/h8300.md (movmd_internal_normal): New, normal-mode
3104         variant of...
3105         (movmd_internal): ... this.  Add modes to operands.  Disparage `D'
3106         instead of requiring it to match only before reload.
3107         (stpcpy_internal_normal): New, normal-mode variant of...
3108         (stpcpy_internal): ... this.  Add modes to operands.  Disparage
3109         `D' instead of requiring it to match only before reload.
3110         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Add
3111         mode argument.
3112         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Pass it to...
3113         * config/h8300/h8300.c (h8300_legitimate_address_p): Pass it to
3114         h8300_get_index.
3115         * config/h8300/h8300.md (attr type): Add call.
3116         (attr can_delay): If type is call, set it no.
3117         (call, call_value): Set type to call.
3118         2004-06-21  Alexandre Oliva  <aoliva@redhat.com>
3119         * config/h8300/h8300.md (logicalhi3_sn, logicalsi3_sn): New.
3120         2004-06-16  Alexandre Oliva  <aoliva@redhat.com>
3121         * tree.c (get_narrower): Don't narrow integral types into
3122         non-integral types.
3123         * config/h8300/h8300.c (h8300_expand_epilogue): Initialize
3124         frame_size *before* the first use.
3125         * config/h8300/h8300.md (movstrictqi): Reintroduce post-increment
3126         on input.
3127         (peephole2): Don't widen instructions that push SP.  Move
3128         decrement of SP to the end of all stm-generating peepholes.
3129         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
3130         * config/h8300/h8300.md (insv): Prefer to use AND to clear a bitfield
3131         and OR to set it to all ones.
3132         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
3133         * config/h8300/h8300.md (can_delay): Default to "no" for bit branches.
3134         (call, call_value): Set can_delay to "no".
3135         2003-07-22  Richard Sandiford  <rsandifo@redhat.com>
3136         * config/h8300/h8300.md (extzv): Make subreg check more robust.
3137         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
3138         * config/h8300/h8300.md (*brabit): Remove.
3139         * config/h8300/h8300.md (*brabc, *brabs): Remove mode from
3140         zero_extract.  Use bit_memory_operand as the predicate for
3141         operand 1 and 'WU' as the constraint.  Check the difference
3142         between the base length and the final one when deciding which
3143         type of branch to use.
3144         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
3145         * config/h8300/h8300.md (extzv): Remove mode from operands 0 and 1.
3146         Use convert_move to extend the result for TARGET_H8300SX.  Check
3147         for QImode memory references.  Optimize the case where the
3148         destination is a paradoxical subreg.
3149         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
3150         * config/h8300/h8300.md (*movsf_h8sx): Add an r <- G alternative.
3151         * config/h8300/h8300.md (andqi): Remove bclr from h8sx version.
3152         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
3153         * config/h8300/h8300.md: Include mova.md
3154         (length_table): Add mova and mova_zero.
3155         * config/h8300/h8300.c (print_operand): Handle '%o'.  Print a length
3156         after all constant addresses for '%R', '%X', '%T' and '%S'.
3157         (h8300_mova_length): New function.
3158         (h8300_insn_length_from_table): Use it to handle mova and mova_zero.
3159         * config/h8300/t-h8300 (mova.md): Generate from genmova.sh.  Add to
3160         dependencies for s-config, etc.
3161         * config/h8300/gemova.sh: New file.
3162         * config/h8300/mova.md: Generated.
3163         2003-07-20  Alexandre Oliva  <aoliva@redhat.com>
3164         * config/h8300/h8300.c (h8300_bitfield_length): New.
3165         (nibble_operand): Adjust.
3166         (h8300_binary_length): Handle conditional binary op.
3167         (h8300_insn_length_from_table): Handle bitfield and bitbranch.
3168         * config/h8300/h8300.h: Change constraints W# and Y# to P#>X and
3169         P#<X, respectively.  The original P is now IP4>X.  Introduced P#>0
3170         and P#<0, unused so far.  W and Y are now prefixes to multi-letter
3171         constraints.  WU is introduced as a variant of U that requires a
3172         mem, and is therefore considered an EXTRA_MEMORY_CONSTRAINT.
3173         * config/h8300/h8300.md (attr type): Added bitbranch.
3174         (attr length_table): Added bitfield and bitbranch.
3175         (attr length): Compute bitbranch length.
3176         (andqi): Separate pattern for H8300SX.  Use bfld for loading the
3177         least-significant bit of a byte.
3178         (brabit, brabc, brabs): New.
3179         (insv, extzv): Emit bfst and bfld on H8300SX.
3180         (bfld, bfst, seq, sne): New.
3181         (bstzhireg, cmpstz, bstz, bistz): New.
3182         (cmpcondbset, condbset, cmpcondbclr, condbclr): New.
3183         (cmpcondbsetreg, condbsetreg, cmpcondbclrreg, condbclrreg): New.
3184         2003-07-11  Richard Sandiford  <rsandifo@redhat.com>
3185         * config/h8300/h8300.c (h8sx_binary_memory_operator): New function.
3186         (h8sx_unary_memory_operator): New function.
3187         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Disable.
3188         (PREDICATE_CODES): Add h8sx_{unary,binary}_memory_operator.
3189         * config/h8300/h8300.md: Add peepholes to combine reloads and
3190         arithmetic insns.
3191         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
3192         * config/h8300/h830.md (cmpqi): Use 'i' rather than 'n' in constraints.
3193         (*cmphi_h8300hs, *addqi3, *addhi3_h8sx, subhi3): Likewise.
3194         (and?i, ior?i, xor?i): Likewise.
3195         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
3196         * config/h8300/h8300.c: Move enums and prototypes to head of file.
3197         Various whitespace fixes.
3198         (h8300_constant_length): New function, split out from...
3199         (h8300_displacement_size): ...here.  Rename h8300_displacement_length.
3200         (h8300_classify_operand): Use IN_RANGE.
3201         (h8300_classify_operand): Use h8300_constant_length.
3202         (h8300_short_move_mem_p): Tighten size check.
3203         (h8sx_mergeable_memrefs_p): Tighten equality check.
3204         2003-06-30  Richard Sandiford  <rsandifo@redhat.com>
3205         * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Define __H8300SX__
3206         for -msx.
3207         * config/h8300/crti.asm: Use .h8300sx or .h8300sxn for -msx code.
3208         * config/h8300/crtn.asm: Likewise.
3209         * config/h8300/lib1funcs.asm: Likewise.  Use 32-bit pointers
3210         if __H8300SX__ is defined.
3211         2003-06-27  Richard Sandiford  <rsandifo@redhat.com>
3212         * config/h8300/h8300-protos.h (h8300_get_index): Add mode parameter.
3213         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Update accordingly.
3214         (GO_IF_MODE_DEPENDENT_ADDRESS): Treat POST_DEC, PRE_INC and indexed
3215         addresses as mode-dependent.
3216         * config/h8300/h8300.c (print_operand_address): Update call to
3217         h8300_get_index.
3218         (h8300_get_index): Take a mode argument.  Rework to fix an
3219         earlier misunderstanding.
3220         2003-06-26  Richard Sandiford  <rsandifo@redhat.com>
3221         * config/h8300/h8300.c (zero_extendqisi2): Force the source operand
3222         into a register if TARGET_H8300SX.
3223         (*zero_extendqisi2_h8300hs, *extendqisi2_h8300): Disable for
3224         TARGET_H8300SX.  Also disable related define_splits.
3225         (*zero_extendqisi2_h8sx, *extendqisi2_h8sx): New patterns.
3226         2003-06-23  Richard Sandiford  <rsandifo@redhat.com>
3227         * config/h8300/h8300.c (h8300_rtx_costs): Add h8sx handling.
3228         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
3229         * config/h8300/h8300.h (OK_FOR_Z): New macro.
3230         (EXTRA_CONSTRAINT_STR): Check it.
3231         * config/h8300/h8300.c (h8300_classify_operand): Accept null
3232         class arguments.
3233         (h8300_insn_length_from_table): Handle LENGTH_TABLE_MOV_IMM4.
3234         * config/h8300/h8300.md (length_table): Add mov_imm4.
3235         (movqi, movhi): Add Z <- W4 alternatives to h8sx patterns.
3236         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
3237         * genattrtab.c (write_eligible_delay): Allow candidate_insn to
3238         be a label.
3239         * config/h8300/h8300.h (DELAY_SLOT_LENGTH): New macro.
3240         * config/h8300/h8300.c (h8300_reorg): New function.
3241         (TARGET_MACHINE_DEPENDENT_REORG): Define.
3242         * config/h8300/h8300.md (length): Subtract the length of the
3243         delay slot from (pc) when checking the range of forward branches.
3244         (delay_slot, can_delay): New attributes.
3245         (define_delay): Add bra/s handling.
3246         (movmd_internal, return_h8sx, *return_1): Set can_delay to no.
3247         (jump): Add delayed-branch handling.
3248         2003-06-17  Richard Sandiford  <rsandifo@redhat.com>
3249         * expr.c (expand_strcpy): New function.
3250         * builtins.c (expand_builtin_strcpy): Fall back on expand_strcpy.
3251         (expand_builtin_stpcpy): Likewise.
3252         * config/h8300/h8300-protos.h (h8sx_split_movmd): Remove.
3253         (h8300_swap_into_er6, h8300_swap_out_of_er6): Declare.
3254         * config/h8300/h8300.c (h8300_reg_class_from_letter): Tweak 'd'
3255         handling to improve register allocation for -fno-omit-frame-pointer.
3256         (h8sx_split_movmd): Delete, moving er6 handling into...
3257         (h8300_swap_into_er6, h8300_swap_out_of_er6): ...these new functions.
3258         * config/h8300/h8300.md (UNSPEC_STPCPY): New unspec constant.
3259         (movmd): Add calls to copy_rtx.
3260         (movmd_internal): In the second alternative, allow the initial and
3261         final destination registers to be different .  Update the splitter
3262         accordingly.  Call h8300_swap_into_er6 and h8300_swap_out_of_er6
3263         instead of h8sx_split_movmd.
3264         (stpcpy, movsd): New expanders.
3265         (movsd_internal): New define_insn.
3266         2003-06-13  Richard Sandiford  <rsandifo@redhat.com>
3267         * config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Declare.
3268         (h8sx_emit_movmd, h8sx_split_movmd): Declare.
3269         * config/h8300/h8300.h (reg_class): Add COUNTER_REGS, SOURCE_REGS
3270         and DESTINATION_REGS.
3271         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
3272         (REGNO_REG_CLASS): Map er4, er5 and er6 to the new classes.
3273         (REG_CLASS_FROM_LETTER): Use h8300_reg_class_from_letter.
3274         (h8300_move_ratio): Declare.
3275         (MOVE_RATIO): Use it.
3276         * config/h8300/h8300.c (h8300_move_ratio): New variable.
3277         (h8300_init_once): Initialize it.
3278         (h8300_reg_class_from_letter): New function.
3279         (print_operand): Add an 'm' prefix for printing ".b", ".w" or ".l".
3280         (h8sx_emit_movmd, h8sx_split_movmd): New functions.
3281         * config/h8300/h8300.md (UNSPEC_MOVMD): New unspec constant.
3282         (COUNTER_REG, SOURCE_REG, DESTINATION_REG): New register constants.
3283         (movstrsi, movmd): New expanders.
3284         (movmd_internal): New insn.
3285         2003-06-06  Richard Sandiford  <rsandifo@redhat.com>
3286         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Define.
3287         2003-06-04  Richard Sandiford  <rsandifo@redhat.com>
3288         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxnelf for -msx -mn.
3289         * config/h8300/h8300.c (asm_file_start): Use .h8300sxn likewise.
3290         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
3291         * config/h8300/h8300.c (nibble_operand): Fix warning.
3292         * config/h8300/h8300.md (movstricthi): Set adjust_length to no.
3293         (movsi_h8sx): Likewise here and the normal h8sx movhi pattern.
3294         (movsf_h8300h): Disable for TARGET_H8300SX.
3295         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
3296         * config/h8300/h8300.h (PREDICATE_CODES): Add h8300_ldm_parallel,
3297         h8300_stm_parallel and h8300_return_parallel.
3298         * config/h8300/h8300.c (h8300_push_pop, h8300_stack_offset_p,
3299         h8300_ldm_stm_regno, h8300_ldm_stm_parallel, h8300_ldm_parallel,
3300         h8300_stm_parallel, h8300_return_parallel): New functions.
3301         (h8300_expand_prologue): Don't enforce ldm/stm register alignment
3302         if TARGET_H8300SX.  Use h8300_push_pop.
3303         (h8300_expand_epilogue): Likewise.  Try to merge the return insn
3304         and final pop when generating h8sx code.  Always emit some form
3305         of return insn.
3306         * config/h8300/h8300.md: Don't enforce register alignment in
3307         stm peepholes if TARGET_H8300SX.
3308         (ldm_h8300s, stm_h8300s, return_h8sx): New patterns.
3309         (ldm_h8300s_[234], stm_h8300_[234]): Disable.
3310         (epilogue): Expect h8300_expand_epilogue to emit a return insn.
3311         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
3312         * config/h8300/t-h8300 (MULTILIB_OPTIONS): Add a -msx multilib.
3313         (MULTILIB_DIRNAMES): Add a directory for it.
3314         (MULTILIB_MATCHES): Delete.
3315         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
3316         * final.c (walk_alter_subreg): Handle addresses with subregs
3317         inside a ZERO_EXTEND or AND.
3318         * config/h8300/h8300-protos.h (h8300_get_index): Declare.
3319         * config/h8300/h8300.h (INDEX_REG_CLASS): Set to GENERAL_REGS
3320         if TARGET_H8300SX.
3321         (GO_IF_LEGITIMATE_ADDRESS): Use h8300_get_index.
3322         * config/h8300/h8300.c (print_operand_address): Handle @(dd,RnL.b),
3323         @(dd,Rn.w) and @(dd,ERn.L).
3324         (h8300_displacement_size): Take the whole address as argument.
3325         (h8300_classify_operand, h8300_short_move_mem_p): Adjust accordingly.
3326         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
3327         * config/mips/mips-protos.h (h8300_operands_match_p): Declare.
3328         (h8sx_mergeable_memrefs_p): Declare.
3329         * config/h8300/h8300.h (HAVE_POST_DECREMENT): Define to TARGET_H8300SX.
3330         (HAVE_PRE_INCREMENT): Likewise.
3331         (GO_IF_LEGITIMATE_ADDRESS): Accept pre/post increment/decrement
3332         addresses for TARGET_H8300SX,
3333         * config/h8300/h8300.c (print_operand_address): Deal with PRE_INC
3334         and POST_DEC.
3335         (movb_length_table, movl_length_table): New tables.
3336         (movw_length_table): Define to movb_length_table.
3337         (h8300_displacement_size): New, split out from...
3338         (h8300_classify_address): ...here.  Handle pre/post inc/dec.
3339         (h8300_short_immediate_length): Allow H8OP_MEM_COMPLEX operands.
3340         (h8300_insn_length_from_table): Add cases for movb, movw and movl.
3341         (h8sx_mergeable_memrefs_p, h8300_operands_match_p): New functions.
3342         (output_plussi): Use add.l #xx:3,Rn and sub.l #xx:3,Rn for h8sx.
3343         (compute_plussi_length, compute_plussi_cc): Update accordingly.
3344         (h8sx_unary_shift_operator): Get the mode from the operator.
3345         (binary_shift_operator): Likewise.
3346         * config/h8300/h8300.md: If a peephole2 applies gen_lowpart to
3347         a memory reference, check whether the reference is offsettable.
3348         (length_table): Add movb, movw and movl.
3349         (movqi): Add new h8sx pattern.  Don't force one operand to be a
3350         register when generating h8sx code.
3351         (movhi, movsi, movsf): Likewise.
3352         (movstrictqi): Use the length_table attribute.
3353         (movstricthi): Likewise.  Add h8sx alternative for mov.w #xx:3,Rn.
3354         (addqi3): Split into a define_expand and define_insn.  Don't accept
3355         memory operands in the expander.  Use h8300_operands_match_p to
3356         check for matching operands in the define_insn.
3357         (subqi3, negqi2, one_cmplqi2): Likewise.