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* c-typeck.c (convert_for_assignment): Tightened up pointer converstions
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2004-07-23  Mike Stump  <mrs@apple.com>
2
3         * c-typeck.c (convert_for_assignment): Tightened up pointer converstions
4         that differ in signedness.
5
6 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
7
8         * genmodes.c (make_vector_modes): Mark with ATTRIBUTE_UNUSED.
9
10 2004-07-23  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11
12         * tree.def (VIEW_CONVERT_EXPR): Change to class 'r'.
13         * tree-ssa-operands.c (get_expr_operands, case VIEW_CONVERT_EXPR): New.
14
15         * gimplify.c (gimplify_compound_lval): Check for no handled
16         operations, rather than checking for explicit list of nodes.
17         (is_gimple_addr_expr_arg_or_indirect): New function.
18         (gimplify_addr_expr): Call it and handle INDIRECT_REF; remove
19         redundant setting of TREE_INVARIANT.
20         (gimplify_expr, case VIEW_CONVERT_EXPR): Call gimplify_compound_lval.
21         * tree-gimple.c (is_gimple_addr_expr_arg): Call handled_component_p.
22
23 2004-07-23  Diego Novillo  <dnovillo@redhat.com>
24
25         PR tree-optimization/16688
26         PR tree-optimization/16689
27         * tree-ssa-alias.c (setup_pointers_and_addressables): Remove
28         unnecessary initialization of 'tag'.
29         (get_tmt_for): Check that the new type tag has the same alias
30         set as the pointed-to type.
31         (group_aliases): Only regular variables need to be removed
32         from the alias set of a name tag.
33         * tree-ssa-copy.c (may_propagate_copy): Do not allow copy
34         propagation if the two types are not compatible.
35         (merge_alias_info): Rename from replace_ssa_names_ann.
36         Add more checking.
37         (replace_exp_1): If both arguments are SSA_NAMEs, check that
38         the propagation can be done.
39         Only call merge_alias_info on pointers.
40         (propagate_value): Likewise.
41         * tree-ssa-copyrename.c: Include langhooks.h.
42         (copy_rename_partition_coalesce): Call replace_ssa_name_symbol
43         to do the merging.
44         Do not coalesce variables with incompatible types.
45         (rename_ssa_copies): Call replace_ssa_name_symbol.
46         * tree-ssa.c (verify_ssa_name): Verify that the SSA_NAME has
47         the same type as the underlying _DECL.
48         * tree-ssanames.c (replace_ssa_name_symbol): New function.
49         * tree.h (replace_ssa_name_symbol): Declare.
50
51 2004-07-23  Richard Henderson  <rth@redhat.com>
52
53         PR c++/16277
54         * gimplify.c (gimplify_cond_expr): Gimplify TARGET to a min_lval;
55         unshare it properly.
56         (gimplify_modify_expr_rhs): Push assignment from a conditional into
57         the conditional for all non-register types.
58
59 2004-07-23  Richard Henderson  <rth@redhat.com>
60
61         * expr.c (expand_expr_real_1): Don't handle non-local variables.
62         * expr.h (fix_lexical_addr): Remove.
63         * function.c (NEED_SEPARATE_AP): Remove.
64         (fix_lexical_addr): Remove.
65         * tree-alias-common.c (get_alias_var_decl): Check TREE_STATIC,
66         not null decl_function_context.
67         (create_alias_vars): Likewise.
68         * tree-cfg.c (make_ctrl_stmt_edges): Don't check for non-local labels.
69         (simple_goto_p): Likewise.
70         * tree-dfa.c (add_referenced_var): Don't check for non-local variables.
71         * tree-ssa-ccp.c (get_default_value): Likewise.
72         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
73         * tree.c (needs_to_live_in_memory): Likewise.
74         * tree-flow-inline.h (may_be_aliased): Move...
75         * tree-ssa-alias.c (may_be_aliased): ... here.  Enhance check for
76         when TREE_STATIC variables may be addressable.
77
78 2004-07-24  Jakub Jelinek  <jakub@redhat.com>
79
80         * Makefile.in (site.exp): Add HOSTCC and HOSTCFLAGS to site.exp.
81
82 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
83
84         * print-rtl.c (print_rtx <case 'b'>): Don't attempt to print
85         bitmap contents if GENERATOR_FILE is defined.
86         * Makefile.in (BUILD_RTL): Remove $(BUILD_PREFIX)bitmap.o.
87         ($(BUILD_PREFIX_1)bitmap.o): Delete rule.
88
89 2004-07-23  Joseph S. Myers  <jsm@polyomino.org.uk>
90
91         * c-decl.c (start_function): Form composite type of function types
92         rather than copying type from previous prototype declaration.
93
94 2004-07-23  Janis Johnson  <janis187@us.ibm.com>
95
96         * config/rs6000/altivec.h (vec_lvewx, vec_lvehx, vec_lvwbx): Remove
97         the const qualifier for the second argument in the C++ functions.
98
99         * config/rs6000/altivec.h (vec_stvewx, vec_stvehx, vec_stvebx): Use
100         specific pointer types.
101
102         * config/rs6000/altivec.h (vec_vadduwm): (vec_vadduwm, vec_vadduhm,
103         vec_vaddubm, vec_vsubuwm, vec_vsubuhm, vec_vsububm): Fix types used
104         for vector bool and/or vector pixel, add C++ and C missing support.
105         (vec_vaddsws, vec_vaddshs, vec_vaddsbs, vec_vmaxsw, vec_vmaxsh,
106         vec_vmaxsb, vec_vmrghw, vec_vmrghh, vec_vmrghb, vec_vmrglw, vec_vmrglh,
107         vec_vmrglb, vec_vminsw, vec_vminsh, vec_vminsb, vec_vpkuwum,
108         vec_vpkuhum, vec_vspltw, vec_vsplth, vec_vspltb, vec_vsubsws,
109         vec_vsubshs, vec_vsubsbs, vec_vupklsh, vec_vupkhsh, vec_vupklsb): Add
110         missing C++ and C support for vector bool and/or vector pixel.
111         (vec_vadduws, vec_vadduhs, vec_vaddubs, vec_vcmpeqfp, vec_vcmpequw,
112         vec_vcmpequh, vec_vcmpequb, vec_vcmpgtfp, vec_vcmpgtsw, vec_vcmpgtuw,
113         vec_vcmpgtsh, vec_vcmpgtuh, vec_vcmpgtsb, vec_vcmpgtub, vec_vmaxuw,
114         vec_vmaxuh, vec_vmaxub, vec_vminuw, vec_vminuh, vec_vminub,
115         vec_vsubuws, vec_vsubuhs, vec_vsububs, vec_vupkhpx, vec_vupklpx): Fix
116         C++ and C types used for vector bool and/or vector pixel.
117         (vec_st, vec_stl): Add C++ support for vector pixel.
118         (vec_unpackh, vec_unpackl, vec_any_ge): Fix C++ support for vector bool.
119         (vec_all_ne): Add C++ support for vector pixel.
120
121         * config/rs6000/altivec.h (vec_vcmpgtsh): Fix C++ function name.
122         (vec_vmulesb): Add missing C++ function.
123         (vec_perm): Fix type of third argument in C++ function.
124         (vec_vsum4shs): Fix C++ function name.
125         (vec_any_ge): Remove C++ functions for unsupported arg combinations.
126         (vec_vcmpgtsw, vec_vcmpgtuw, vec_minsb, vec_vmsummbm): Fix the
127         argument passed to the error handler in C macro.
128         (vec_nmsub): Remove extra parens around argument names in C macro.
129         (vec_packpx): Add missing parens in C macro.
130
131 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
132
133         * machmode.def: Remove vector modes.
134         * config/alpha/alpha-modes.def: Add supported vector modes.
135         * config/arm/arm-modes.def: Likewise.
136         * config/frv/frv-modes.def: Likewise.
137         * config/i386/i386-modes.def: Likewise.
138         * config/rs6000/rs6000-modes.def: Likewise.
139         * config/sh/sh-modes.def: Likewise.
140
141 2004-07-23  Matthias Klose  <doko@debian.org>
142
143         * intl.c (gcc_init_libintl): Use PACKAGE for the text domain.
144         * configure.ac: Add AC_DEFINE_UNQUOTED for PACKAGE.
145         * config.h: Regenerate.
146         * configure: Likewise.
147
148 2004-07-22  Mark Mitchell  <mark@codesourcery.com>
149
150         * dwarf2out.c (output_call_frame_info): Set SYMBOL_FLAG_LOCAL on
151         generated SYMBOL_REFs for labels.
152         * config/darwin-protos.h (machopic_validate_stub_or_non_lazy_ptr):
153         Change prototype.
154         (machopic_stub_name): Remove.
155         (machopic_indirection_name): New function.
156         (machopic_mcount_stub_name): Likewise.
157         (machopic_classify_name): Remove.
158         (machopic_function_base_sym): New function.
159         (machpoic_classify_symbol): Likewise.
160         (machopic_classify_ident): Remove.
161         (machopic_define_ident): Likewise.
162         (machopic_define_name): Likewise.
163         (machopic_name_defined_p): Likewise.
164         (machopic_ident_defined_p): Likewise.
165         (darwin_strip_name_encoding): Likewise.
166         (machopic_define_symbol): New function.
167         * config/darwin.c (hashtab.h): Include.
168         (machopic_defined_list): Remove.
169         (machopic_classify_ident): Likewise.
170         (machopic_classify_name): Likewise.
171         (machopic_ident_defined_p): Likewise.
172         (machopic_define_ident): Likewise.
173         (machopic_define_name): Likewise.
174         (machopic_symbol_defined_p): New function.
175         (machopic_classify_symbol): Likewise.
176         (machopic_data_defined_p): Use machopic_classify_symbol.
177         (machopic_define_symbol): New function.
178         (machopic_function_base_sym): New function.
179         (machopic_non_lazy_pointers): Remove.
180         (machopic_non_lazy_ptr_name): Likewise.
181         (machopic_stubs): Likewise.
182         (machopic_stub_name): Likewise.
183         (NON_LAZY_POINTER_SUFFIX): New macro.
184         (STUB_SUFFIX): Likewise.
185         (machopic_indirection): New structure.
186         (machopic_indirections): New variable.
187         (machopic_indirection_hash): New function.
188         (machopic_indirection_eq): Likewise.
189         (machopic_indirection_name): Likewise.
190         (machopic_mcount_stub_name): New function.
191         (machopic_validate_stub_or_non_lazy_pointer): Reimplement to use
192         hash table.
193         (machopic_indirect_data_reference): Rework to use new functions.
194         (machopic_indirect_call_target): Likewise.
195         (machopic_legitimize_pic_address): Likewise.
196         (machopic_output_indirection): New function.
197         (machopic_finish): Use it.
198         (machopic_operand_p): Rework to use new functions.
199         (darwin_encode_seciton_info): Use SYMBOL_REF_FLAGS.
200         (darwin_strip_name_encoding): Remove.
201         (update_non_lazy_ptrs): Remove.
202         (update_stubs): Likewise.
203         (darwin_non_lazy_pcrel): Use new functions.
204         * config/darwin.h (ASM_DECLARE_OBJECT_NAME): Likewise.
205         (ASM_OUTPUT_LABELREF): Likewise.
206         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
207         (MACHO_SYMBOL_FLAG_VARIABLE): New macro.
208         (MACHO_SYMBOL_FLAG_DEFINED): Likewise.
209         (TARGET_STRIP_NAME_ENCODING): Do not use
210         darwin_strip_name_encoding.
211         (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Do not use
212         darwin_strip_name_encoding.
213         * config/i386/darwin.h (FUNCTION_PROFILER): Use
214         machopic_mcount_stub_name.
215         * config/i386/i386.c (x86_output_mi_thunk): Use
216         machopic_indirection_name, not machopic_stub_name.
217         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Use
218         machopic_function_base_sym.
219         (print_operand): Use machopic_classify_symbol.
220         (rs6000_emit_prologue): Use machopic_function_base_sym.
221         (output_profile_hook): Do not use machopic_stub_name.
222         (macho_branch_isalnds): Do not use darwin_strip_name_encoding.
223
224 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
225
226         PR c/7284
227         * fold-const.c (extract_muldiv_1): Do not treat signed left shift
228         as multiplication.
229
230 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
231
232         * doc/implement-c.texi: New file.
233         * doc/extend.texi (C Implementation): Move to there.
234         * doc/gcc.texi: Include implement-c.texi.
235         * Makefile.in (TEXI_GCC_FILES): Add implement-c.texi.
236
237 2004-07-22  Jason Merrill  <jason@redhat.com>
238
239         * integrate.c (copy_decl_for_inlining): Remove invisible reference
240         handling.
241         * tree-inline.c (setup_one_parameter): Likewise.
242
243 2004-07-22  Brian Booth  <bbooth@redhat.com>
244
245         * tree-ssa-ccp.c (latticevalue): Add UNKNOWN_VAL.
246         (substitute_and_fold): Propigate into VUSE operands when possible.
247         (visit_phi_node): Handle UNKNOWN_VAL latticevalue.
248         (cp_lattice_meet): Handle merging of latticevalues when
249         UNKNOWN_VAL is present.
250         (visit_stmt): Visit assignments with V_MUST_DEFs.
251         (visit_assignment): Gather ccp information for V_MUST_DEF operands.
252         (ccp_fold): Deal with RHS' that are constant and virtual.
253         (evaluate_stmt): Handle UNKNOWN_VAL likely values.
254         (dump_lattice_value): Dump UNKNOWN_VAL latticevalues.
255         (initialize): Mark statements with V_MUST_DEFs as VARYING only if the
256         V_MUST_DEF operand is VARYING. Fix comment and include VOPS when
257         computing immediate uses.
258         (set_lattice_value): Disallow a UNKNOWN_VAL->UNDEFINED state
259         transition.
260         (replace_vuse_in): New function.
261         (likely_value): Add check of vuse operands.
262         (get_default_value): Set the default value of virtually defined
263         variables to UKNOWN_VAL instead of VARYING.
264
265 2004-07-22  Richard Henderson  <rth@redhat.com>
266
267         * expr.c (emit_push_insn): Don't use set_mem_attributes.
268
269 2004-07-22  Richard Henderson  <rth@redhat.com>
270
271         * tree-ssa-live.c (create_ssa_var_map): Avoid defined-but-not-used
272         variables due to conditional compilation.
273
274 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
275
276         * tree-into-ssa.c (set_livein_block): Fix typo in comment.
277         (rewrite_ssa_into_ssa): Start iterating over SSA names at 1.
278         Release SSA names that have been re-renamed.
279         * tree-phinodes.c (make_phi_node): Set same TREE_TYPE as the
280         variable.
281         * tree-ssa-alias.c (init_alias_info): If aliases have been
282         computed before, clear existing alias information.
283         (create_name_tags): Do no fixup PT_ANYTHING pointers.
284         If the new name tag for a pointer is different than the one it
285         had before, mark the old tag for renaming.
286         (replace_may_alias): New function.
287         (group_aliases): Call it.
288         (setup_pointers_and_addressables): Always call get_tmt_for.
289         (maybe_create_global_var): Don't create .GLOBAL_VAR more than
290         once.
291         (set_pt_anything): New local function.
292         (set_pt_malloc): New local function.
293         (merge_pointed_to_info): Don't merge pointed-to variables from
294         the original pointer if the destination is pointing to an
295         unknown location.
296         (add_pointed_to_expr): Call set_pt_anything and set_pt_malloc.
297         (add_pointed_to_var): Do not add a variable to the points-to
298         set if the pointer is already pointing to anywhere.
299         (collect_points_to_info_r): If the defining statement is a PHI
300         node, only merge pointed-to information if the argument has
301         already been visited.
302         (get_tmt_for): Only create a new tag if the pointer didn't
303         have one already.
304         (dump_alias_info): Emit more information.
305         (dump_points_to_info_for): Likewise.
306         * tree-ssa-dom.c (redirect_edges_and_update_ssa_graph): Don't
307         try to get the annotation of an SSA_NAME.
308         * tree-ssa-operands.c (add_stmt_operand): Only check for empty
309         alias sets when checking is enabled.
310         * tree-ssa-pre.c (need_eh_cleanup): New local variable.
311         (eliminate): Mark basic blocks that will need
312         EH information cleaned up.
313         (init_pre): Split ENTRY_BLOCK->0 if block 0 has more than one
314         predecessor.
315         Initialize need_eh_cleanup.
316         (fini_pre): Call tree_purge_all_dead_eh_edges and
317         cleanup_tree_cfg if needed.
318         Free need_eh_cleanup.
319         * tree-ssa.c (verify_ssa_name): New function.
320         (verify_def): Call it.
321         Re-arrange to avoid printing too many error messages.
322         (verify_use): Likewise.
323         (verify_phi_args): Likewise.
324         (verify_flow_insensitive_alias_info): New function.
325         (verify_flow_sensitive_alias_info): New function.
326         (verify_alias_info): New function.
327         (verify_ssa): Call verify_alias_info.
328         Clear TREE_VISITED on all the SSA_NAMEs before scanning the
329         program.
330         Re-arrange to avoid printing too many error messages.
331         * tree-ssanames.c (make_ssa_name): Clear
332         SSA_NAME_IN_FREE_LIST.
333         (release_ssa_name): Never release a default definition.
334         (release_defs): New function.
335         * tree.h: Declare it.
336         * tree-ssa-dce.c (remove_dead_stmt): Call it.
337
338 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
339
340         * tree-ssa.c (walk_use_def_chains_1): Add new argument IS_DFS.
341         If true, do a depth-first search.  Do a breadht-first search,
342         otherwise.
343         (walk_use_def_chains): Add new argument IS_DFS.
344         Update all users.
345         * tree-flow.h (walk_use_def_chains): Update prototype.
346
347 2004-07-22  Hans-Peter Nilsson  <hp@axis.com>
348
349         * config/cris/cris.md: Tweak formatting.
350         (asrandb, asrandw, lsrandb, lsrandw, moversideqi, movemsideqi)
351         (mover2side, moverside, movemside, movei, op3, andu): Replace
352         live define_peephole:s with define_peephole2 near-equivalents.
353         Delete the rest.
354         ("*mov_sidesisf_biap"): Rename from "*mov_sidesi_biap".  Match all
355         word-size modes.
356         ("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"):
357         Similar for "*mov_sidesi", "*mov_sidesi_biap_mem" and
358         "*mov_sidesi_mem" respectively.
359
360 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
361
362         * tree-cfg.c (gimplify_val): Move from tree-complex.c.
363         (gimplify_build1): Move from tree-complex.c do_unop.
364         (gimplify_build2): Move from tree-complex.c do_binop.
365         (gimplify_build3): New.
366         * tree-complex.c (gimplify_val, do_unop, do_binop): Remove.
367         Adjust throughout to call the functions above.
368         * tree-flow.h: Declare the functions above.
369         * tree-nested.c (gimplify_val): Rename to...
370         (tsi_gimplify_val): ... this.
371
372         * Makefile.in (tree_complex.o): Update dependencies.
373         (stor-layout.o): Depend on regs.h.
374         * c-common.c (handle_vector_size_attribute): Update for
375         vector types without corresponding vector modes.
376         * expr.c (expand_expr): Treat VECTOR_CST's like CONSTRUCTORS if
377         a corresponding vector mode is not available.
378         * print-tree.c (print_node): Print nunits for vector types
379         * regclass.c (have_regs_of_mode): New.
380         (init_reg_sets_1): Initialize it and use it instead
381         of allocatable_regs_of_mode.
382         * regs.h (have_regs_of_mode): Declare it.
383         * stor-layout.c (layout_type): Pick a mode for vector types.
384         * tree-complex.c (build_word_mode_vector_type, tree_vec_extract,
385         build_replicated_const, do_unop, do_binop, do_plus_minus,
386         do_negate, expand_vector_piecewise, expand_vector_parallel,
387         expand_vector_addition, expand_vector_operations_1,
388         expand_vector_operations, tree_lower_operations,
389         pass_lower_vector_ssa, pass_pre_expand): New.
390         (expand_complex_operations, pass_lower_complex): Remove.
391         * tree-optimize.c (init_tree_optimization_passes): Adjust
392         pass ordering for changes in tree-complex.c.
393         * tree-pass.h: Declare new passes.
394         * tree.c (finish_vector_type): Remove.
395         (make_vector_type): New.
396         (build_vector_type_for_mode, build_vector_type): Rewritten.
397         * tree.def (VECTOR_TYPE): Document where the number of
398         subparts is stored.
399         * tree.h (TYPE_VECTOR_SUBPARTS): Use TYPE_PRECISION field.
400         (make_vector): Remove declaration.
401
402 2004-07-21  Richard Henderson  <rth@redhat.com>
403
404         * gimple-low.c (expand_var_p): Don't look at TREE_ADDRESSABLE,
405         TREE_THIS_VOLATILE, may_aliases, or optimization level.
406         (remove_useless_vars): Dump debugging info.
407         (expand_used_vars): Move ...
408         * cfgexpand.c (expand_used_vars): ... here.  Make static.
409         * tree-flow-inline.h (set_is_used): New.
410         (set_default_def): Use get_var_ann.
411         * tree-flow.h: Update decls.
412         * tree-ssa-live.c (mark_all_vars_used_1, mark_all_vars_used): New.
413         (create_ssa_var_map): Use it.
414         * tree-ssa.c (set_is_used): Remove.
415
416 2004-07-22  Ben Elliston  <bje@au.ibm.com>
417
418         * gdbinit.in: Set a breakpoint on internal_error.
419
420 2004-07-21  Richard Henderson  <rth@redhat.com>
421
422         * cfgexpand.c (expand_gimple_tailcall): Fix case where we need
423         to create a new basic block.
424
425 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
426
427         PR c/15052
428         * c-decl.c (grokdeclarator): Only pedwarn for qualified void
429         return type on function definitions.  Move other warnings for
430         qualified return type to -Wreturn-type.  Do not condition any such
431         warnings on -pedantic.  Update comments.
432         (start_function): Only copy function type from previous prototype
433         declaration if return types are compatible.
434         * c-typeck.c (function_types_compatible_p): Don't condition
435         warning for incompatibility of volatile qualifiers on the return
436         type on -pedantic.  Update comment.
437         * doc/invoke.texi (-Wreturn-type, -Wextra): Update.
438
439 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
440
441         * c-typeck.c (set_init_index): Require designator to be of integer
442         type.
443
444 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
445
446         PR c/11250
447         * c-parse.in (init): Change to exprtype.
448         (primary): Set original_code for STRING to STRING_CST.
449         Call maybe_warn_string_init for compound literals.
450         (initdcl, notype_initdcl): Call maybe_warn_string_init.
451         (initval): Update.
452         * c-tree.h (maybe_warn_string_init): New.
453         (pop_init_level, process_init_element): Use struct c_expr.
454         (struct c_expr): Update comment.
455         * c-typeck.c (maybe_warn_string_init): New function.
456         (digest_init): Call it.  Additional parameter strict_string.  All
457         callers changed.
458         (output_init_element): Likewise.
459         (struct constructor_stack): Use struct c_expr for
460         replacement_value.
461         (really_start_incremental_init, push_init_level): Update.
462         (pop_init_level): Update.  Return struct c_expr.
463         (process_init_level): Update.  Take struct c_expr argument.
464
465 2004-07-21  David S. Miller  <davem@nuts.davemloft.net>
466
467         * config/sparc/sparc.c (sparc_rtx_costs): Fix typo in previous
468         commit.
469
470 2004-07-21  Eric Christopher  <echristo@redhat.com>
471
472         * builtins.c (expand_builtin_setjmp_receiver): Fix comment for code
473         removal.
474         * c-decl.c (pop_scope): Ditto.
475         * calls.c (expand_call): Remove call to current_nesting_level,
476         update comment accordingly. Remove calls to expand_start_target_temps
477         and expand_end_target_temps.
478         * cfgexpand.c (construct_init_block): Remove call to
479         expand_start_bindings_and_block.
480         (construct_exit_block): Remove call to expand_end_bindings.
481         * expr.c (safe_from_p): Remove BIND_EXPR handling.
482         (expand_expr_real_1): Ditto. Fix formatting.
483         (expand_vars): Delete.
484         * stmt.c (POPSTACK): Remove block_stack.
485         (stmt_status): Remove x_block_stack.
486         (block_stack): Delete.
487         (expand_start_bindings_and_block): Ditto.
488         (expand_start_target_temps): Ditto.
489         (expand_end_target_temps): Ditto.
490         (current_nesting_level): Ditto.
491         (warn_about_unused_variables): Ditto.
492         (expand_end_bindings): Ditto.
493         * tree.h: Remove declarations for above.
494
495 2004-07-21  Steven Bosscher  <stevenb@suse.de>
496
497         * rtl.h (insn_note): Remove NOTE_INSN_PREDICTION.
498         * rtl.c (note_insn_name): Likewise.
499         * print-rtl.c (print_rtx): Don't print it.
500         * cfgrtl.h (can_delete_note_p): Don't handle it.
501         (rtl_delete_block): Likewise.
502         * passes.c (rest_of_handle_guess_branch_prob): Remove.
503         (rest_of_compilation): Don't call it.
504         * predict.c (process_note_predictions, process_note_prediction,
505         note_prediction_to_br_prob): Remove.
506         * basic-block.c (note_prediction_to_br_prob): Remove prototype.
507         * stmt.c (return_prediction): Remove.
508         (expand_value_return): Don't call it.  Don't add prediction
509         notes for return statements.
510
511 2004-07-21  Josef Zlomek  <zlomekj@suse.cz>
512
513         * var-tracking.c (vt_find_locations): Set the in_pending bitmap at
514         once.
515
516 2004-07-21  Paolo Bonzini  <bonzini@gnu.org>
517
518         * c-common.c (vector_types_convertible_p): Use vector types'
519         TYPE_SIZE and TREE_TYPE instead of their mode.
520         * convert.c (convert_to_integer): Likewise.
521         (convert_to_vector): Likewise.
522         * fold-const.c (fold_convert): Likewise.
523         * varasm.c (output_constant): Likewise.
524         * expr.c (store_constructor): Split ARRAY_TYPE and VECTOR_TYPE.
525         Allow a VECTOR_TYPE initializer to be made of several vectors.
526         For ARRAY_TYPEs and VECTOR_TYPES, simplify a bit the handling
527         of cleared and need_to_clear, and use fold_convert.
528         * c-typeck.c (build_binary_op): Do not use RDIV_EXPR for
529         integer vectors.
530
531 2004-07-20  Richard Henderson  <rth@redhat.com>
532
533         * cfgexpand.c (expand_gimple_cond_expr, expand_gimple_tailcall): Split,
534         (expand_gimple_basic_block): out from here.  Renamed from expand_block.
535
536 2004-07-20  David S. Miller  <davem@nuts.davemloft.net>
537
538         * config/sparc/sparc.c (sparc_rtx_costs case MULT): Emit
539         enormous cost if not TARGET_HARD_MUL.
540
541 2004-07-20  Andrew Pinski  <apinski@apple.com>
542
543         PR target/16557
544         * config/i386/darwin.h (CC1_SPEC): Move the -g SPECs from ...
545         (ASM_SPEC): here.
546
547 2004-07-21  Paul brook  <paul@codesourcery.com>
548
549         * config/arm/arm.c (thumb_expand_prologue): Remove bogus GEN_INT.
550
551 2004-07-20  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
552
553         * fold-const.c (operand_equal_p): Temporarily support NULL args.
554         (operand_equal_p, case ARRAY_REF): Compare args 2 and 3.
555         (operand_equal_p, case COMPONENT_REF): Likewise, for arg 2.
556
557 2004-07-20  Zack Weinberg  <zack@codesourcery.com>
558
559         * rtl.h (plus_constant): Delete.
560         (plus_constant_wide): Rename to plus_constant.
561         (plus_constant_for_output_wide): Delete vestigial prototype.
562         (GEN_INT): Remove unnecessary cast.
563         * tree.h (build_int_2, size_int_type): Delete.
564         (build_int_2_wide): Rename to build_int_2.
565         (size_int_wide): Rename to size_int_kind.
566         (size_int_type_wide): Rename to size_int_type.
567         (size_int, ssize_int, bitsize_int, sbitsize_int): Use size_int_kind.
568         Remove unnecessary cast.
569         * tree.c (build_int_2_wide): Rename build_int_2; update comment.
570         * explow.c (plus_constant_wide): Rename plus_constant; update comment.
571         * fold-const.c (size_int_wide): Rename size_int_kind. Use size_int_type.
572         (size_int_type_wide): Rename size_int_type.
573         (int_const_binop): Use size_int_type.
574         * c-lex.c (interpret_integer): Use build_int_2.
575         * final.c (split_double): Remove unnecessary casts.
576         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use build_int_2.
577
578 2004-07-20  Richard Henderson  <rth@redhat.com>
579
580         * gimplify.c (is_gimple_tmp_var): Move to tree-gimple.c.
581         (gimplify_compound_lval): Use is_gimple_tmp_reg.
582         * tree-gimple.c (is_gimple_tmp_var): Move from gimplify.c.
583         (is_gimple_tmp_reg): New.
584         * tree-gimple.h (is_gimple_tmp_reg): Declare.
585
586 2004-07-20  Richard Henderson  <rth@redhat.com>
587
588         * tree-pretty-print.c (dump_generic_node): Dump
589         CALL_EXPR_HAS_RETURN_SLOT_ADDR.
590
591 2004-07-20  Frank Ch. Eigler  <fche@redhat.com>
592
593         * tree-mudflap.c (mf_set_options_fndecl): New tree.
594         (mudflap_init): Set it.
595         (mudflap_register_call): Remove __mf_init call.
596         (mudflap_finish_file): Emit call to __mf_init here.  Emit a call to
597         to pass "-ignore-reads" option to libmudflap if needed.
598
599 2004-07-20  John David Anglin  <dava.anglin@nrc-cnrc.gc.ca>
600
601         PR c++/14607
602         * config/pa/pa-hpux10.h (SUPPORTS_ONE_ONLY): Define.
603         (MAKE_DECL_ONE_ONLY): Undefine.
604         * pa-protos.h (som_text_section_asm_op, one_only_readonly_data_section,
605         readonly_data, one_only_data_section, forget_section): New prototypes.
606         * pa.c (pa_init_machine_status, som_text_section_asm_op): New
607         functions.
608         (pa_select_section): Add one-only (COMDAT) support.
609         * pa.h (struct machine_function): Define.
610         * som.h (ASM_OUTPUT_FUNCTION_PREFIX): Delete.
611         (TEXT_SECTION_ASM_OP): Call som_text_section_asm_op.
612         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
613         ONE_ONLY_TEXT_SECTION_ASM_OP, ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
614         ONE_ONLY_DATA_SECTION_ASM_OP): New defines.
615         (EXTRA_SECTIONS): Add in_one_only_readonly_data and in_one_only_data.
616         (EXTRA_SECTION_FUNCTIONS): Rework to use individual function macros.
617         (READONLY_DATA_FUNCTION, ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
618         ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): New defines
619         for EXTRA_SECTION_FUNCTIONS.
620         * doc/install.texi: Update binutils requirements.
621
622 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
623
624         * vec.h (VEC_T_length, VEC_T_index, VEC_T_iterate, VEC_T_truncate,
625         VEC_T_replace, VEC_T_quick_insert, VEC_T_safe_insert,
626         VEC_T_ordered_remove, VEC_T_unordered_remove): Use unsigned, not
627         size_t.
628         (struct VEC): Use unsigned for num and alloc.
629         * vec.c (struct vec_prefix): Likewise.
630         (vec_o_reserve): Adjust.
631
632         * dbxout.c (dbxout_type): Fix printf format.
633
634         * tree.h (binfo_member): Remove.
635         * tree.c (binfo_member): Remove.
636
637 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
638
639         * tree.h: Include vec.h
640         (DEF_VEC_P(tree)): New type.
641         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): Adjust.
642         (BINFO_BASE_APPEND, BINFO_BASE_ITERATE): New.
643         (BINFO_LANG_SLOT): Remove.
644         (BINFO_SUBVTT_INDEX, BINFO_VPTR_INDEX, BINFO_PRIMARY_BASE_OF): New.
645         (struct tree_binfo): Turn base_binfos into a trailing
646         VEC(tree). Add vtt_subvtt, vtt_vptr, primary fields.
647         (binfo_lang_slots): Remove.
648         * tree.c (binfo_lang_slots): Remove.
649         (make_tree_binfo_stat): Take a base binfo count, not a
650         lang slot count.  Adjust.
651         * Makefile.in (TREE_H): Add vec.h
652         * alias.c (record_component_aliases): Adjust BINFO access.
653         * dbxout.c (dbxout_type): Likewise.
654         * dwarf2out.c (gen_member_die): Likewise.
655         * sdbout.c (sdbout_one_type): Likewise.
656         * tree-dump.c (deque_and_dump): Likewise.
657         * config/i386/i386.c (classify_argument,
658         contains_128bit_aligned_vector_p): Likewise.
659         * config/sh/symbian.c (symbian_export_vtable_and_rtti_p): Likewise.
660         * doc/c-tree.texi (Classes): Update BINFO documentation.
661
662 2004-07-20  Steven Bosscher  <stevenb@suse.de>
663
664         * c-common.h (check_case_value): Remove prototype.
665         (c_add_case_label): Adjust prototype.
666         * c-common.c (check_case_value): Make static.
667         (check_case_bounds): New function.
668         (c_add_case_label): Use it.  Take new argument orig_type.
669         * c-typeck.c (struct c_switch): New orig_type field.
670         (c_start_case): Set it.
671         (do_case): Pass it to c_add_case_label.
672         * expr.c (expand_expr_real_1): Don't warn for out-of-bounds
673         cases from here.  Add the labels in reverse order.
674         * stmt.c (struct case_node): Adjust comment.  Remove balance field.
675         (add_case_node): Return nothing, don't check for duplicate cases.
676         Insert new case nodes in a list, not in an AVL tree.
677         (expand_end_case_type): Don't turn a case tree into a case list.
678         (case_tree2list): Remove.
679         * tree.h (add_case_node): Adjust prototype.
680
681 2004-07-19  Paolo Bonzini  <bonzini@gnu.org>
682
683         * genattr.c (struct range, struct function_unit,
684         write_units, extend_range, init_range): Remove them.
685         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
686         Output "#define INSN_SCHEDULING" here.
687         * genattrtab.c (struct range, struct function_unit_op,
688         struct function_unit, struct dimension, enum operator,
689         operate_exp, expand_units, simplify_knowing,
690         encode_units_mask, simplify_by_exploding,
691         find_and_mark_used_attributes, unmark_used_attributes,
692         add_values_to_cover, increment_current_value,
693         test_for_current_value, simplify_with_current_value,
694         simplify_with_current_value_aux, gen_unit,
695         write_unit_name, write_function_unit_info,
696         write_complex_function, write_toplevel_expr,
697         find_single_value, extend_range): Remove.
698         (write_attr_get): Do not handle common_av->value
699         being an FFS.
700         (struct attr_desc): Remove func_units_p and blockage_p.
701         (write_attr_valueq): Do not handle them.
702         (find_attr): Do not clear them.
703         (make_internal_attr): Do not initialize them.
704         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
705         * sched-vis.c (init_target_units, insn_print_units,
706         init_block_visualization, print_block_visualization,
707         visualize_scheduled_insns, visualize_no_unit,
708         visualize_stall_cycles, visualize_alloc,
709         visualize_free, target_units, get_visual_tbl_length,
710         MAX_VISUAL_LINES, INSN_LEN, n_visual_lines,
711         visual_tbl_line_length, visual_tbl, n_vis_no_unit,
712         MAX_VISUAL_NO_UNIT, vis_no_unit): Remove.
713         * haifa-sched.c (blockage_range, clear_units,
714         schedule_unit, actual_hazard, potential_hazard,
715         insn_unit, unit_last_insn, unit_tick,
716         actual_hazard_this_instance, potential_hazard,
717         schedule_unit, max_insn_queue_index_value): Remove.
718         (MAX_INSN_QUEUE_INDEX): Removed, renamed throughout to
719         max_insn_queue_index.
720         * rtl.def (DEFINE_FUNCTION_UNIT): Remove.
721         * doc/md.texi (Processor pipeline description): Remove
722         references to old pipeline descriptions.
723         (Automaton pipeline description): Merge with the above.
724         (Old pipeline description, Comparison of the two descriptions):
725         Remove.
726
727         * bt-load.c (migrate_btr_def): Remove references to
728         use_pipeline_interface.
729         * haifa-sched.c (insn_cost, schedule_insn,
730         schedule_block, advance_one_cycle, sched_init,
731         queue_to_ready, sched_finish): Likewise.
732         * modulo-sched.c (sms_schedule, advance_one_cycle,
733         ps_has_conflicts): Likewise.
734         * sched-rgn.c (init_ready): Likewise.
735         (debug_dependencies): Likewise, and remove an "if (1)".
736         * target.h (use_dfa_pipeline_interface): Remove.
737         * config/alpha/alpha.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
738         * config/arc/arc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
739         * config/arm/arm.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
740         * config/c4x/c4x.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
741         * config/frv/frv.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
742         * config/i386/i386.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
743         * config/ia64/ia64.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
744         * config/iq2000/iq2000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
745         * config/m32r/m32r.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
746         * config/mcore/mcore.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
747         * config/mips/mips.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
748         * config/pa/pa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
749         * config/rs6000/rs6000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
750         * config/s390/s390.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
751         * config/sh/sh.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
752         * config/sparc/sparc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
753         * config/v850/v850.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
754         * config/xtensa/xtensa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
755         * doc/tm.texi (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
756
757 2004-07-19  Roger Sayle  <roger@eyesopen.com>
758
759         * rtlanal.c (reg_set_p): Add check for regs_invalidated_by_call.
760
761 2004-07-19  Jeff Law  <law@redhat.com>
762
763         * tree-ssa-dom.c (single_incoming_edge_ignoring_loop_edges): New.
764         (get_eq_expr_value): Use it.  Simplify slightly.
765
766 2004-07-19  Maciej W. Rozycki  <macro@linux-mips.org>
767
768         * config/mips/mips.md (mulsidi3_32bit_r4000): Fix the clobber list.
769         (umulsidi3_32bit_r4000): Likewise.
770
771 2004-07-19  Nathan Sidwell  <nathan@codesourcery.com>
772
773         * vec.h: Propagate location information properly.
774         (VEC_T_iterate): Add result pointer parameter.
775         (VEC_T_space): New.
776         (VEC_T_reserve): Use it.
777
778 2004-07-19  Daniel Jacobowitz  <dan@debian.org>
779
780         * Makefile.in (c-format.o): Depend on c-format.h.
781         * c-format.h: New file.
782         (struct format_char_info): Add CHAIN member.
783         * c-format.c: Move some types and constants to c-format.h.
784         (format_type_error): Set to -1.
785         (struct function_format_info): Use an int for format_type.
786         (decode_format_type): Return an int.  Return format_type_error
787         on error.
788         (print_char_table, asm_fprintf_char_table, gcc_diag_char_table)
789         (gcc_diag_char_table, gcc_cdiag_char_table, gcc_cxxdiag_char_table)
790         (scan_char_table, time_char_table, monetary_char_table): Initialize
791         CHAIN to NULL.
792         (n_format_types): New variable.
793         (check_format_info_main): Handle CHAIN in format_char_info.
794         (handle_format_attribute): Handle TARGET_FORMAT_TYPES and
795         TARGET_N_FORMAT_TYPES.
796         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
797         (sparc-*-solaris2*): Include config/t-sol2 and config/sol2-c.c.
798         * config/sol2-c.c: New file.
799         * config/t-sol2: New file.
800         * config/sol2.h (TARGET_N_FORMAT_TYPES, TARGET_FORMAT_TYPES): Define.
801         * config/sparc/elf.h, config/sparc/sp64-elf.h: Undefine
802         TARGET_N_FORMAT_TYPES and TARGET_FORMAT_TYPES.
803
804         * doc/extend.texi (Target Format Checks): New section.
805         (Function Attributes): Mention it.
806         * doc/invoke.texi: Mention target format checks.
807         * doc/sourcebuild.texi: Mention target format checks.
808         * dc/tm.texi (Misc): Document TARGET_N_FORMAT_TYPES and
809         TARGET_FORMAT_TYPES.
810
811 2004-07-19  Andreas Krebbel  <krebbel1@de.ibm.com>
812
813         * config/s390/s390-protos.h (s390_return_address_offset): Prototype
814         added.
815         * config/s390/s390.c (regclass_map initializer): Register 35 added to
816         ADDR_REGS.
817         (load_multiple_operation, store_multiple_operation): Removed
818         pointless sanity check.
819         (s390_decompose_address): Added check for return_address_pointer_rtx.
820         (s390_return_addr_rtx): Use return_address_pointer_rtx for count == 0.
821         (s390_return_address_offset): New function.
822         * config/s390/s390.h (FIRST_PSEUDO_REGISTER): Increased to 36.
823         (FRAME_REGNO_P): Added check for register 35.
824         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS,
825         REG_ALLOC_ORDER): Appended entry for register 35.
826         (REG_CLASS_CONTENTS): Adjusted class masks for register 35.
827         (EH_RETURN_HANDLER_RTX): Use return_address_pointer_rtx.
828         (RETURN_ADDRESS_POINTER_REGNUM): New macro.
829         (ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET): Return address pointer
830         is eliminable using stack pointer or hard frame pointer.
831         (REGISTER_NAMES): Added name for register 35.
832         * config/s390/s390.md ("load_multiple", "store_multiple"): Removed
833         pointless sanity check.
834
835 2004-07-19  Roger Sayle  <roger@eyesopen.com>
836
837         * fold-const.c (tree_expr_nonzero_p): Add function prototype.
838         (fold) <EQ_EXPR>: Move tree_expr_nonzero_p optimization from
839         fold_relational_const to here, i.e. "(x | 5) == 0" -> false.
840         (fold) (UNEQ_EXPR>: Add optimizations for unordered comparisons
841         of the form "x op x" where op is UNLE, UNGE, UNEQ or LTGT.
842         (fold_relational_const): Tidy up handling of floating point
843         comparisons by calling real_compare.  Remove tree_expr_nonzero_p
844         transformation; fold_relational_const assumes constant operands.
845
846 2004-07-19  Gabriel Dos Reis  <gdr@integrable-solution.net>
847
848         * doc/sourcebuild.texi: Add libcpp, now that CPP has its own
849         directory.
850
851 2004-07-19  Joseph S. Myers  <jsm@polyomino.org.uk>
852
853         * c-tree.h (struct c_expr): Define.
854         (C_SET_EXP_ORIGINAL_CODE): Remove.
855         (parser_build_binary_op, build_compound_expr): Update prototypes.
856         * c-parse.in (%union): Add exprtype.
857         (FUNC_NAME): Mark as ttype.
858         (expr, expr_no_commas, cast_expr, unary_expr, primary): Change to
859         exprtype.
860         (expr): Update.  Define directly in terms of expr_no_commas
861         instead of using nonnull_exprlist.
862         (nonnull_exprlist, unary_expr, cast_expr, expr_no_commas, primary,
863         offsetof_member_designator, typespec_nonreserved_nonattr, init,
864         initval, designator, component_declarator,
865         component_notype_declarator, enumerator, array_declarator,
866         condition, exexpr, switch_statement, stmt_nocomp, stmt,
867         nonnull_asm_operands, ivar_declarator, receiver): Update.  Don't
868         set C_EXP_ORIGINAL_CODE.  Use TREE_NO_WARNING for assignments
869         where appropriate.
870         * c-common.h (C_EXP_ORIGINAL_CODE): Remove.
871         * c-common.c (c_common_truthvalue_conversion): Don't check
872         C_EXP_ORIGINAL_CODE.
873         * c-typeck.c (parser_build_binary_op): Use c_expr structures.
874         Don't use C_EXP_ORIGINAL_CODE.
875         (default_conversion, default_function_array_conversion): Don't use
876         C_EXP_ORIGINAL_CODE.  Preserve TREE_NO_WARNING.
877         (internal_build_compound_expr): Merge into build_compound_expr.
878         (build_compound_expr): Take two operands instead of a TREE_LIST.
879         * objc/objc-act.c (get_super_receiver): Update calls to
880         build_compound_expr.
881
882 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
883
884         * config/sh/sh.c (sh_use_dfa_interface): Remove.
885         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Set to
886         hook_int_void_1.
887         * config/sh/sh.md: Extract pipeline descriptions
888         into separate files.
889         * config/sh/sh1.md: New file, extracted from sh.md.
890         * config/sh/sh4.md: New file, extracted from sh.md.
891         * config/sh/shmedia.md: New file, extracted from sh.md
892         and rewritten using new-style pipeline description.
893
894 2004-07-18  Zack Weinberg  <zack@codesourcery.com>
895
896         * config/pa/pa.md: Delete the two remaining define_peephole
897         patterns.
898
899 2004-07-18  Steven Bosscher  <stevenb@suse.de>
900             Joseph S. Myers  <jsm@polyomino.org.uk>
901
902         * c-common.c (c_common_truthvalue_conversion): Don't warn if
903         TREE_NO_WARNING is set.
904
905 2004-07-18  Roger Sayle  <roger@eyesopen.com>
906
907         * builtins.c (simplify_builtin_memcmp, simplify_builtin_strcmp,
908         simplify_builtin_strncmp): Delete.
909         (fold_builtin_memcmp, fold_builtin_strcmp, fold_builtin_strncmp):
910         Change argument to accept an arglist instead of an "exp".  Assume
911         that the return type is always integer_type_node.  Copy missing
912         transformations from their now obsolete simplify_builtin_*
913         equivalents.
914         (fold_builtin_1): Pass arglist instead of exp to fold_builtin_memcmp,
915         fold_builtin_strcmp and fold_builtin_strncmp.
916         (simplify_builtin): Call fold_builtin_memcmp, fold_builtin_strcmp
917         and fold_builtin_strncmp instead of simplify_builtin_memcmp,
918         simplify_builtin_strcmp and simplify_builtin_strncmp respectively.
919
920 2004-07-18  Daniel Jacobowitz  <dan@debian.org>
921
922         * Makefile.in (tree-alias-common.o): Update dependencies.
923
924 2004-07-17  Sebastian Pop  <pop@cri.ensmp.fr>
925
926         * cfgloop.c (flow_loop_nested_p): Fix comment.
927
928 2004-07-17  Jason Merrill  <jason@redhat.com>
929
930         PR c++/16115
931         * stor-layout.c (relayout_decl): New fn.
932         * tree.h: Declare it.
933         (DECL_BY_REFERENCE): New macro.
934
935 2004-07-17  Eric Botcazou  <ebotcazou@act-europe.fr>
936
937         * libgcc2.c (__enable_execute_stack): New symbol.
938         * libgcc-std.ver (GCC_3.4.2): New version.  Inherit from GCC_3.4
939         and declare __enable_execute_stack.
940         * mklibgcc.in (lib2funcs): Add _enable_execute_stack.
941         * config/netbsd.h (NETBSD_ENABLE_EXECUTE_STACK): ANSIfy.
942         * config/sol2.h (TRANSFER_FROM_TRAMPOLINE): Rename into
943         ENABLE_EXECUTE_STACK.
944         * config/alpha/alpha.c (alpha_initialize_trampoline): Conditionalize
945         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
946         * config/alpha/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Rename into
947         ENABLE_EXECUTE_STACK.
948         * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
949         * config/i386/i386.c (x86_initialize_trampoline): Conditionalize
950         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
951         * config/i386/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Rename into
952         ENABLE_EXECUTE_STACK.
953         * config/i386/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
954         * config/i386/netbsd64.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
955         * config/sparc/freebsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
956         * config/sparc/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
957         * config/sparc/sparc.c (sparc_initialize_trampoline): Conditionalize
958         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
959         (sparc64_initialize_trampoline): Likewise.
960         * doc/tm.texi (trampolines): Add ENABLE_EXECUTE_STACK macro.
961
962 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
963
964         * langhooks.h (builtin_function): New langhook.
965         * langhooks-def.h (LANG_HOOKS_BUILTIN_FUNCTION): New.
966         (LANG_HOOKS_INITIALIZER): Update.
967         * tree.h (builtin_function): Remove.
968         * doc/tm.texi: Update.
969         * c-tree.h (builtin_function): Declare.
970         * c-common.c, config/alpha/alpha.c, config/arm/arm.c,
971         config/c4x/c4x.c, config/frv/frv.c, config/i386/i386.c,
972         config/ia64/ia64.c, config/iq2000/iq2000.c,
973         config/rs6000/rs6000.c, config/s390/s390.c, config/sh/sh.c,
974         config/stormy16/stormy16.c: All callers of builtin_function
975         changed.
976
977 2004-07-17  Andrew Pinski  <pinskia@physics.uc.edu>
978
979         PR target/16556
980         * config/i386/darwin.h (UNLIKELY_EXECUTED_TEXT_SECTION_NAME):
981         Remove white space after the backslash.
982
983 2004-07-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
984
985         PR rtl-optimization/16294
986         * resource.c (return_insn_p): New predicate.
987         (mark_target_live_regs): Use it.  Special-case return insns.
988         (init_resource_info): Use it.  Don't scan the epilogue past
989         a return.
990
991 2004-07-17  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
992
993         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Do not
994         destroy dominance information.
995         * passes.c (rest_of_handle_loop2):  Free dominance information.
996         * tree-cfg.c (cleanup_tree_cfg): Remove unreachable blocks before
997         jump threading.
998         (thread_jumps): Update dominance information and remove unreachable
999         blocks.
1000         * tree-ssa-phiopt.c (replace_phi_with_stmt):  Update dominance
1001         information and remove the unreachable block.
1002
1003 2004-07-17  Graham Stott  <graham.stott@btinternet.com>
1004
1005         * emit-rtl.c (reorder_insns): Don't set BB for a BARRIER insn.
1006
1007 2004-07-17  Toon Moene  <toon@moene.indiv.nluug.nl>
1008
1009         * doc/sourcebuild.texi: Remove libf2c entry.
1010
1011 2004-07-17  Paolo Bonzini  <bonzini@gnu.org>
1012
1013         * config/i386/i386.md (movv16qi_internal): Fix typo.
1014
1015 2004-07-17  Steven Bosscher  <stevenb@suse.de>
1016
1017         * final.c (final_scan_insn): Fix broken commit from previous
1018         patch.
1019
1020 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
1021
1022         * c-typeck.c (parser_build_binary_op): Condition warnings for
1023         X<=Y<=Z on -Wparentheses instead of -Wextra.
1024         * doc/invoke.texi: Update.  Document that most of -Wparentheses is
1025         supported for C only.
1026
1027 2004-07-17  Steven Bosscher  <stevenb@suse.de>
1028
1029         * cfgcleanup.c (try_simplify_condjump): Don't remove line
1030         notes to avoid unreachable code warnings.
1031         * toplev.c (backend_init): Don't emit line notes for
1032         unreachable code warnings.
1033
1034         * combine.c (distribute_notes): Don't distribute a
1035         REG_VTABLE_REF note.
1036         * final.c (final_scan_insn): Don't handle it.
1037         * rtl.c (reg_note_name): Remove it.
1038         * rtl.h (enum reg_node): Dito.
1039
1040         * emit-rtl.c (force_line_numbers, restore_line_number_status):
1041         Remove.
1042         * rtl.h (force_line_numbers, restore_line_number_status):
1043         Remove prototypes.
1044
1045         * stmt.c (using_eh_for_cleanups_p, using_eh_for_cleanups): Move...
1046         * tree-eh.c (using_eh_for_cleanups_p): ...here.  Make static.
1047         (using_eh_for_cleanups): Also moved here.
1048
1049         * expr.c (expand_expr_real_1) <CASE_LABEL_EXPR>: Die if we see one.
1050         <SWITCH_EXPR>: Die if we have a non-NULL SWITCH_BODY.  Update calls
1051         to expand_start_case and add_case_node.
1052         * stmt.c (struct nesting): Cleanup unused fields condition_code,
1053         last_unconditional_cleanup, nominal_type, printname, and
1054         line_number_status.
1055         (struct fixup_goto): Remove.
1056         (struct stmt_status): Remove x_goto_fixup_chain field.
1057         (goto_fixup_chain): Remove.
1058         (strip_default_case_nodes, group_case_nodes, emit_jump_if_reachable,
1059         pushcase, pushcase_range): Remove.
1060         (expand_start_bindings_and_block): Don't set unused fields in
1061         the nesting stack.
1062         (expand_start_case, add_case_node): Cleanup unused formal arguments.
1063         (expand_end_case_type): Don't simplify the case-list.  Use emit_jump
1064         instead of emit_jump_if_reachable.
1065         (emit_case_nodes): Likewise.
1066         * tree-cfg.c (group_case_labels, cleanup_dead_labels): No longer
1067         static.
1068         (update_eh_label): Work around left-over exception handing regions.
1069         * tree-flow.h (group_case_labels, cleanup_dead_labels): Add protos.
1070         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): New function.
1071         (pass_cleanup_cfg_post_optimizing): New pass.
1072         (init_tree_optimization_passes): Run the new pass after all
1073         optimizations.
1074         * tree.h (pushcase, pushcase_range): Remove prototypes.
1075         (expand_start_case, add_case_node): Update prototypes.
1076
1077 2004-07-16  Krister Walfridsson  <cato@df.lth.se>
1078
1079         * tree-inline.c (estimate_num_insns_1): Correct increase of count.
1080
1081 2004-07-16  Richard Henderson  <rth@redhat.com>
1082
1083         * builtins.c (std_expand_builtin_va_arg): Remove.
1084         (expand_builtin_va_arg): Remove.
1085         * expr.h: Don't declare them.
1086         * gimplify.c (mark_decls_volatile_r): Remove.
1087         (copy_if_shared_r): Don't call it.
1088         * target-def.h: Don't test EXPAND_BUILTIN_VA_ARG.
1089         * expr.c (expand_expr_real_1): Don't handle VA_ARG_EXPR.
1090         * gimple-low.c (lower_stmt): Likewise.
1091         * tree-cfg.c (cfg_remove_useless_stmts_bb): Likewise.
1092         * tree-gimple.c (is_gimple_tmp_rhs, is_gimple_stmt): Likewise.
1093         * tree-ssa-operands.c (get_expr_operands): Likewise.
1094         * doc/tm.texi (TARGET_GIMPLIFY_VA_ARG_EXPR): Don't mention
1095         EXPAND_BUILTIN_VA_ARG.
1096         * system.h (EXPAND_BUILTIN_VA_ARG): Poison.
1097         * config/alpha/alpha.h, config/alpha/unicosmk.h, config/i386/i386.h,
1098         config/ia64/ia64.h, config/rs6000/rs6000.h, config/s390/s390.h,
1099         config/sparc/sparc.h (EXPAND_BUILTIN_VA_ARG): Remove.
1100
1101 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
1102
1103         * tree-ssa-pre.c (insert_aux): Break out if we hit
1104         a critical edge.
1105
1106 2004-07-16  Richard Henderson  <rth@redhat.com>
1107
1108         * basic-block.h (remove_fake_exit_edges): Declare.
1109         * cfganal.c (remove_fake_predecessors): Rename from
1110         remove_fake_successors; iterate over predecessors.
1111         (remove_fake_exit_edges): New.
1112         * cfgcleanup.c (try_optimize_cfg): Use it.
1113         * gcse.c (one_pre_gcse_pass, store_motion): Likewise.
1114         * predict.c (estimate_probability): Likewise.
1115         (tree_estimate_probability, note_prediction_to_br_prob): Likewise.
1116         * tree-cfg.c (make_edges): Likewise.
1117         * tree-ssa-pre.c (fini_pre): Likewise.
1118         * profile.c (instrument_edges): Don't remove_fake_edges.
1119         (branch_prob): Do it earlier here.
1120
1121 2004-07-16  Richard Henderson  <rth@redhat.com>
1122
1123         * tree-ssa-operands.c (get_expr_operands): Fix 2004-07-15
1124         switchification wrt CONSTRUCTOR.  Document the reason.
1125
1126 2004-07-16  Frank Ch. Eigler  <fche@redhat.com>
1127
1128         * tree-mudflap.c (mf_file_function_line_tree): Correct typo
1129         that prevented descriptive __mf_check source location strings.
1130
1131 2004-07-16  Richard Henderson  <rth@redhat.com>
1132
1133         * tree-def (WITH_SIZE_EXPR): New.
1134         * explow.c (expr_size, int_expr_size): Handle WITH_SIZE_EXPR.
1135         * expr.c (expand_expr_real_1): Likewise.
1136         * gimplify.c (maybe_with_size_expr): New.
1137         (gimplify_arg, gimplify_modify_expr): Use it.
1138         (gimplify_modify_expr_to_memcpy): Take size parameter.
1139         (gimplify_modify_expr_to_memset): Likewise.
1140         (gimplify_expr): Handle WITH_SIZE_EXPR.
1141         * tree-alias-common.c (find_func_aliases): Likewise.
1142         * tree-eh.c (tree_could_trap_p): Likewise.
1143         (tree_could_throw_p): Likewise.
1144         * tree-gimple.c (is_gimple_lvalue): Likewise.
1145         (get_call_expr_in): Likewise.
1146         * tree-inline.c (estimate_num_insns_1): Likewise.
1147         (expand_calls_inline): Likewise.
1148         * tree-nested.c (convert_call_expr): Likewise.
1149         * tree-pretty-print.c (dump_generic_node): Likewise.
1150         * tree-sra.c (sra_walk_expr): Likewise.
1151         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
1152         * tree-ssa-ccp.c (get_rhs, set_rhs): Likewise.
1153         * tree-ssa-operands.c (get_expr_operands): Likewise.
1154         * tree-tailcall.c (find_tail_calls): Likewise.
1155
1156         * calls.c (expand_call): Reset old_stack_allocated after
1157         calling emit_stack_restore.
1158
1159 2004-07-16  Richard Henderson  <rth@redhat.com>
1160
1161         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_COPY_RES_DECL_FOR_INLINING,
1162         lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
1163         * langhooks.c (lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
1164         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
1165         copy_res_decl_for_inlining.
1166
1167         * tree-inline.c (declare_return_variable): New modify_dest argument.
1168         Use it as the return value, when possible or manditory.  Handle
1169         TREE_ADDRESSABLE types.
1170         (expand_call_inline): Extract MODIFY_EXPR lhs for call.  Simplify
1171         replacement of CALL_EXPR.
1172
1173 2004-07-16  Richard Henderson  <rth@redhat.com>
1174
1175         * tree-flow.h (struct var_ann_d): Remove has_hidden_use.
1176         * gimple-low.c (expand_var_p): Don't check it.
1177         * tree-ssa-alias.c (setup_pointers_and_addressables): Likewise.
1178         * tree-ssa-copyrename.c (rename_ssa_copies): Likewise.
1179         * tree-ssa-operands.c (add_stmt_operand): Likewise.
1180         * tree-dfa.c (find_hidden_use_vars, find_hidden_use_vars_r): Kill.
1181         (find_referenced_vars): Don't call them.
1182         * tree-flow-inline.h (has_hidden_use, set_has_hidden_use): Kill.
1183
1184 2004-07-16  Richard Henderson  <rth@redhat.com>
1185
1186         * function.c (pass_by_reference): True for all variable sized types.
1187
1188 2004-07-16  Sebastian Pop  <pop@cri.ensmp.fr>
1189
1190         * Makefile.in (tree-pretty-print.o): Depend on tree-chrec.h.
1191         * tree-pretty-print.c: Include tree-chrec.h.
1192         (dump_generic_node): Pretty print SCEV_KNOWN, SCEV_NOT_KNOWN
1193         and POLYNOMIAL_CHREC nodes.
1194
1195 2004-07-16  Steve Ellcey  <sje@cup.hp.com>
1196
1197         * builtins.c (expand_builtin_stpcpy): Do not create temporary
1198         reg with VOIDmode.
1199
1200 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
1201
1202         * config/rs6000/eabi.asm (__eabi_convert): Fix typo (cmpi vs. cmpwi).
1203
1204 2004-07-16  Andreas Krebbel  <krebbel1@de.ibm.com>
1205
1206         * config/s390/s390.md: Changed every occurence of BASE_REGISTER
1207         to BASE_REGNUM.
1208         * config/s390/s390.c: Likewise.
1209         * config/s390/s390.h: Likewise.
1210
1211 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
1212
1213         * config/mips/mips.md (addsi3, adddi3): Remove special handling
1214         of $sp adds.  Remove REGNO checks from mips16 patterns.
1215
1216 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
1217
1218         * config/mips/mips.md: Delete outdated comment.
1219
1220 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
1221
1222         * config/mips/mips.c (get_float_compare_codes): Delete.
1223         (mips_emit_compare): New function, mostly extracted from
1224         get_float_compare_codes and gen_conditional_branch.
1225         (gen_conditional_branch, gen_conditional_move): Use it.
1226
1227 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
1228
1229         * genautomata.c (add_vect): Speedup by using integers as
1230         bit-vectors for walking through the comb_vect and finding
1231         a match.
1232
1233 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
1234
1235         * config/mips/mips.c (mips_zero_if_equal): Only use XORs if the second
1236         operand is an uns_arith_operand; use subtraction otherwise.
1237         * config/mips/mips.md (cmpsi, cmpdi): Allow any nonmemory_operand,
1238         not just arith_operands.
1239
1240 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
1241
1242         * config/mips/mips-protos.h (gen_int_relational): Delete.
1243         (mips_emit_scc): Declare.
1244         * config/mips/mips.c (internal_test): Delete.
1245         (sle_operand, sleu_operand): New functions.
1246         (map_test_to_internal_test, gen_int_relational): Delete.
1247         (mips_emit_binary, mips_relational_operand_ok_p)
1248         (mips_emit_int_relational, mips_zero_if_equal)
1249         (mips_emit_scc): New functions.
1250         (gen_conditional_branch): Rework to use mips_emit_int_relational.
1251         * config/mips/mips.h (PREDICATE_CODES): Add sle_operand and
1252         sleu_operand.
1253         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
1254         (sltu, sleu): Use mips_emit_scc.
1255         (*sge_[sd]i, *sgeu_[sd]i): New patterns.
1256         (*sle_[sd]i, *sle_[sd]i_mips16): Use sle_operand.
1257         (*sleu_[sd]i, *sleu_[sd]i_mips16): Use sleu_operand.
1258
1259 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
1260
1261         * config/mips/mips.md (*sgt_di_mips16): Fix destination constraint.
1262
1263 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
1264
1265         * config/mips/mips.md (*seq_[sd]i): Renamed from seq_[sd]i_zero.
1266         (*sne_[sd]i): Likewise sne_[sd]i_zero.
1267         (*sgt_[sd]i): ...and sgt_[sd]i.
1268         (*slt_[sd]i): ...and slt_[sd]i.
1269         (*sgtu_[sd]i): ...and sgtu_[sd]i.
1270         (*sltu_[sd]i): ...and sltu_[sd]i.
1271         (*sleu_[sd]i): ...and sleu_[sd]i_const.
1272         Name previously unnamed mips16 patterns.  Formatting fixes.
1273
1274 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
1275
1276         * config/mips/mips.c (cmp_operands): Renamed from branch_cmp.
1277         (branch_type): Delete.
1278         (gen_conditional_branch, gen_conditional_move)
1279         (mips_gen_conditional_trap): Update after name change.  Get the
1280         comparison mode from cmp_operands[0].
1281         * config/mips/mips.h (cmp_type, branch_type): Delete.
1282         (cmp_operands): Renamed from branch_cmp.
1283         * config/mips/mips.md (cmpsi, cmpdi, cmpsf, cmpdf): Update after
1284         name change.  Don't set branch_type.
1285         (seq, sne, sgt, sge, slt, sle, sgtu, sgeu, sltu, sleu): Check the
1286         mode class of cmp_operands[0] rather than branch_type.  Update after
1287         name change.
1288
1289 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
1290
1291         * config/mips/mips.c (mips_rtx_costs): In mips16 code, set the cost
1292         of 0...255 to 0 when inside a SET.
1293
1294 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
1295
1296         * config/mips/mips.md: Remove mips16 define_peepholes.
1297
1298 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
1299
1300         * tree-ssa-pre.c (init_pre): Connect infinite loops to exit.
1301         (fini_pre): Remove fake edges.
1302
1303 2004-07-15  Richard Henderson  <rth@redhat.com>
1304
1305         * tree-ssa-operands.c (get_expr_operands): Use a switch.  Split out...
1306         (get_indirect_ref_operands, get_call_expr_operands): ... these.
1307
1308 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
1309
1310         * vec.h (VEC_address): New function.
1311
1312 2004-07-14  Jason Merrill  <jason@redhat.com>
1313
1314         PR middle-end/15885
1315         * gimplify.c (gimplify_arg): New fn, split out from...
1316         (gimplify_call_expr): Here.  Special-case BUILT_IN_VA_START.
1317
1318 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
1319
1320         * config/m68k/m68k.c (output_move_qimode): Abort on an attempt to
1321         generate code which is generated by pushqi1 now
1322         * config/m68k/m68k.h (MOVE_BY_PIECES_P): Remove.
1323
1324 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
1325
1326         * combine.c (simplify_set): match the mode of the constant 0 with
1327         the tested operand to match the compare behaviour and the
1328         simplify_relational_operation() expectation.
1329
1330 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
1331
1332         * config/rs6000/rs6000.md ("bunordered"): Disable for e500.
1333         ("bordered"): Same.
1334
1335 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
1336
1337         * config/rs6000/rs6000.md ("*cceq_ior_compare"): Allow
1338         unconditionally.
1339         * config/rs6000/spe.md ("e500_cceq_ior_compare"): Remove.
1340
1341 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
1342
1343         * config/mips/mips.c (mips_adjust_insn_length): Fix handling of
1344         calls in mips16 code.
1345
1346 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
1347
1348         * config/mips/mips.md: In the mips16 li/neg splitter, use SImode for
1349         the destination of the li as well as for the neg.
1350
1351 2004-07-15  Frank Ch. Eigler  <fche@redhat.com>
1352
1353         g++/15861
1354         * cgraphunit.c (cgraph_build_static_cdtor): Add priority argument.
1355         * cgraph.h: Update declaration.
1356         * c-decl.c (build_cdtor): Update call with default priority.
1357         * coverage.c (create_coverage): Ditto.
1358         * tree-mudflap.c (mf_init_fndecl): New tree.
1359         (mudflap_init): Set it.
1360         (mudflap_register_call): Arrange to call __mf_init before the first
1361         __mf_register call.
1362         (mudflap_finish_file): Mark the mudflap static initializer as extra
1363         high priority, to beat all C++ static constructors.
1364
1365 2004-07-15  Jeff Law  <law@redhat.com>
1366
1367         * loop.c (check_insn_for_givs): Restore check for code labels that was
1368         accidentally deleted by a recent checkin.
1369
1370 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
1371
1372         * vec.h (VEC_T_truncate): Allow truncation of an empty vector.
1373         (VEC_T_quick_insert, VEC_T_ordered_remove): Fix sizeof(T) thinko.
1374
1375 2004-07-14  Richard Henderson  <rth@redhat.com>
1376
1377         * print-tree.c (print_node): Fix casts last change.
1378
1379 2004-07-15  Paul Brook  <paul@codesourcery.com>
1380
1381         * dwarf2out.c (dwarf2out_begin_prologue): Rename IA64_UNWIND_INFO
1382         to TARGET_UNWIND_INFO.
1383         * except.c (output_function_exception_table): Ditto.
1384         * except.h: Ditto.
1385         * opts.c (decode_options): Ditto.
1386         * passes.c (rest_of_handle_final): Ditto.
1387         * final.c (final_start_function): Ditto.
1388         (final_scan_insn, final_scan_insn): Replace IA64_UNWIND_EMIT with
1389         target hook.
1390         * targhooks.h (default_unwind_emit): Declare.
1391         * targhooks.c (default_unwind_emit): New function.
1392         * target-def.h: Define and use TARGET_UNWIND_EMIT.
1393         * target.h (struct gcc_target): Add unwind_emit.
1394         * config/ia64/ia64.c (TARGET_UNWIND_EMIT): Define.
1395         * config/ia64/ia64.h: Rename IA64_UNWIND_INFO to TARGET_UNWIND_INFO.
1396         Remove IA64_UNWIND_EMIT.
1397         * doc/tm.texi: Document TARGET_UNWIND_EMIT and TARGET_UNWIND_INFO.
1398
1399 2004-07-14  Richard Henderson  <rth@redhat.com>
1400
1401         * print-tree.c (print_node): Handle SSA_NAME.
1402
1403 2004-07-14  James E Wilson  <wilson@specifixinc.com>
1404
1405         PR target/16325
1406         * config/mips/mips.h (STARTING_FRAME_OFFSET): When flag_profile_value
1407         and ! TARGET_64BIT, include REG_PARM_STACK_SPACE.
1408
1409 2004-07-15  Jakub Jelinek  <jakub@redhat.com>
1410
1411         * expr.c (expand_assignment): Reenable bitfield += optimizations.
1412         Use alias set 0 for memory, do proper mode calculations and adjust
1413         address for memories.
1414
1415 2004-07-14  Per Bothner  <per@bothner.com>
1416
1417         * input.h:  If USE_MAPPED_LOCATION, define separate expanded_location
1418         structure with extra column field.
1419         * tree.c (expand_location):  Also fill in column field.
1420         * gengtype-lex.l:  Ignore expanded_location typedef, sinze gengtype
1421         gets confused by the two conditionally-compiled definitions.
1422
1423 2004-07-14  Eric Christopher  <echristo@redhat.com>
1424
1425         * calls.c (expand_call): Fix typo in comment.
1426
1427 2004-07-14  Steve Ellcey  <sje@cup.hp.com>
1428
1429         * config/ia64/ia64.c (ia64_expand_compare): Allow ORDERED
1430         comparision of TFmode.
1431
1432 2004-07-14  Richard Henderson  <rth@redhat.com>
1433
1434         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Move indirect ...
1435         (alpha_gimplify_va_arg): ... handling here.  Use pass_by_reference.
1436         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Use pass_by_reference.
1437         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
1438         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
1439         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
1440         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
1441         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
1442         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
1443
1444 2004-07-14  Mike Stump  <mrs@apple.com>
1445
1446         * config/darwin.h (WINT_TYPE): Define to be int to match
1447         system header files.
1448
1449 2004-07-14  Bob Wilson  <bob.wilson@acm.org>
1450
1451         * config/xtensa/xtensa.c (function_arg_advance): Check for args
1452         that must be passed in the stack.
1453         (xtensa_gimplify_va_arg_expr): Skip special-case padding for small
1454         arguments if the size is not a constant.
1455
1456 2004-07-14  Per Bothner  <per@bothner.com>
1457
1458         * c-typeck.c (emit_side_effect_warnings):  Use EXPR_HAS_LOCATION
1459         instead of EXPR_LOCUS in a boolean context, which is always true
1460         if --enable-mapped-location.
1461         * stmt.c (warn_if_unused_value):  Likewise.  Also use EXPR_LOCATION.
1462
1463 2004-07-14  Richard Henderson  <rth@redhat.com>
1464
1465         * dominance.c (struct dom_info): Add fake_exit_edge.
1466         (init_dom_info): Allocate it.
1467         (free_dom_info): Free it.
1468         (calc_dfs_tree): Set it.  Handle noreturn and infinite loops
1469         in two passes.
1470         (calc_idoms): Honor fake_exit_edge.
1471
1472 2004-07-13  Jason Merrill  <jason@redhat.com>
1473
1474         * tree-gimple.c (is_gimple_reg_rhs, is_gimple_mem_rhs): New fns.
1475         (rhs_test_for): New fn.
1476         (is_gimple_tmp_rhs): Rename from is_gimple_rhs.
1477         * tree-gimple.h: Declare them.
1478         * gimplify.c (gimplify_modify_expr): Use the new fns.
1479
1480 2004-07-14  Richard Henderson  <rth@redhat.com>
1481
1482         * config/arm/arm-protos.h (arm_va_arg): Remove.
1483         * config/arm/arm.c (arm_va_arg): Remove.
1484         (arm_init_expanders): Fix alignment of arg_pointer_rtx.
1485         * config/arm/arm.h (EXPAND_BUILTIN_VA_ARG): Remove.
1486
1487 2004-07-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1488
1489         * pa.c (fix_range): New function to mark a range(s) of registers as
1490         fixed registers.
1491         (override_options): Call fix_range if the -mfixed-range option string
1492         is not empty.
1493         * pa.h (TARGET_OPTIONS): Add -mfixed-range option.
1494         * doc/invoke.texi (-mfixed-range): Document new option.
1495
1496 2004-07-14  David Edelsohn  <edelsohn@gnu.org>
1497
1498         * config/rs6000/rs6000.c (function_arg_padding): Do not pad SFmode
1499         for TARGET_64BIT.
1500         (rs6000_gimplify_va_arg): Use size_int instead of build_int_2.
1501
1502 2004-07-14  Roger Sayle  <roger@eyesopen.com>
1503
1504         * expmed.c (expand_sdiv_pow2): New function to expand signed division
1505         by a positive power of two, split out from expand_divmod.  Provide
1506         an alternate implementation when shifts are expensive.  Lower the
1507         threshold for using a branchless implementation to BRANCH_COST >= 2.
1508         (expand_divmod): Call expand_sdiv_pow2 for suitable divisions.
1509
1510 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
1511
1512         * tree-dfa.c (make_rename_temp): *Really* work just
1513         like create_tmp_var if called while outside SSA form.
1514
1515 2004-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
1516
1517         * config/s390/s390.md ("udivsi3"): Ensure trap is generated
1518         for division by zero.
1519         ("umodsi3"): Likewise.
1520
1521 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
1522
1523         * config/mips/mips.c (mips_output_move): When generating mips16 code,
1524         force loads of negative constants to be split.
1525         * config/mips/mips.md (*movhi_mips16, *movqi_mips16): Likewise.
1526         Generalize SImode li/neg splitter to cope with other modes.
1527
1528 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
1529
1530         * expmed.c: Remove more references to QUEUED in the comments.
1531         * expr.c: Likewise.
1532
1533 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
1534
1535         Revert:
1536         2004-07-13  Richard Henderson  <rth@redhat.com>
1537         * config/mips/mips.c (mips_pass_by_reference): Handle mode sizes
1538         correctly.
1539
1540 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
1541
1542         * tree-dfa.c (make_rename_temp): Work just like
1543         create_tmp_var if called while outside SSA form.
1544
1545 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
1546
1547         * expr.c (enqueue_insn, finish_expr_for_function,
1548         protect_from_queue, queued_subexp_p, mark_queue,
1549         emit_insns_enqueued_after_mark, emit_queue,
1550         expand_increment): Remove.
1551         (store_constructor): Expand increment as an assignment.
1552         (expand_expr_real_1 <case PREINCREMENT_EXPR,
1553         case PREDECREMENT_EXPR, case POSTINCREMENT_EXPR,
1554         case POSTDECREMENT_EXPR>): Abort.
1555         * expr.h (QUEUED_VAR, QUEUED_INSN, QUEUED_COPY,
1556         QUEUED_BODY, QUEUED_NEXT, finish_expr_for_function,
1557         protect_from_queue, emit_queue, queued_subexp_p): Remove.
1558         * function.h (pending_chain, x_pending_chain): Remove.
1559         * rtl.def (QUEUED): Remove.
1560
1561         * emit-rtl.c (copy_insn_1, copy_most_rtx,
1562         set_used_flags, verify_rtx_sharing): Remove references to QUEUED.
1563         * genattrtab.c (attr_copy_rtx, clear_struct_flag,
1564         encode_units_mask): Likewise.
1565         * local-alloc.c (equiv_init_varies_p): Likewise.
1566         * rtl.c (copy_rtx): Likewise.
1567         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
1568         * simplify-rtx.c (simplify_gen_subreg): Likewise.
1569         * config/mn10300/mn10300.c (legitimate_pic_operand_p): Likewise.
1570
1571         * builtins.c (expand_builtin, expand_builtin_apply,
1572         expand_builtin_mathfn, expand_builtin_mathfn_2,
1573         expand_builtin_mathfn_3, expand_builtin_setjmp_setup):
1574         Remove calls to emit_queue and protect_from_queue.
1575         * calls.c (expand_call, precompute_arguments,
1576         precompute_register_parameters, rtx_for_function_call,
1577         store_one_arg): Likewise.
1578         * dojump.c (do_compare_and_jump, do_jump): Likewise.
1579         * explow.c (memory_address): Likewise.
1580         * expmed.c (clear_by_pieces_1, clear_storage,
1581         clear_storage_via_libcall, emit_group_load,
1582         emit_group_store, emit_store_flag,
1583         expand_expr_real_1, store_by_pieces,
1584         store_constructor, store_expr, try_casesi,
1585         try_tablejump): Likewise.
1586         * function.c (expand_pending_sizes): Likewise.
1587         * optabs.c (emit_cmp_and_jump_insns,
1588         emit_conditional_add, emit_conditional_move,
1589         expand_fix, expand_float, prepare_cmp_insn): Likewise.
1590         * stmt.c (emit_case_bit_tests,
1591         expand_asm_expr, expand_computed_goto,
1592         expand_decl_init, expand_end_case_type,
1593         expand_end_stmt_expr, expand_expr_stmt_value,
1594         expand_return, expand_start_case,
1595         optimize_tail_recursion): Likewise.
1596         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
1597         * config/s390/s390.c (s390_expand_cmpmem): Likewise.
1598
1599 2004-07-14  Ben Elliston  <bje@au.ibm.com>
1600
1601         * vec.h: Comment fix.
1602
1603 2004-07-13  Richard Henderson  <rth@redhat.com>
1604
1605         * target.h (struct gcc_target): Add calls.pass_by_reference.
1606         * target-def.h (TARGET_PASS_BY_REFERENCE): New.
1607         * function.c (pass_by_reference): Use the hook.
1608         * system.h (FUNCTION_ARG_PASS_BY_REFERENCE): Poison.
1609         * targhooks.c, targhooks.h (hook_pass_by_reference_false): New.
1610         (hook_pass_by_reference_must_pass_in_stack): New.
1611         * config/alpha/alpha.c (function_arg): Don't query pass-by-ref.
1612         (alpha_pass_by_reference): New.
1613         (TARGET_PASS_BY_REFERENCE): New.
1614         * config/alpha/alpha.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1615         * config/arc/arc.c (arc_pass_by_reference): New.
1616         (TARGET_PASS_BY_REFERENCE): New.
1617         * config/arc/arc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1618         (FUNCTION_ARG_CALLEE_COPIES): True.
1619         * config/arm/arm-protos.h (arm_function_arg_pass_by_reference): Remove.
1620         * config/arm/arm.c (TARGET_PASS_BY_REFERENCE): New.
1621         (arm_pass_by_reference): Rename from arm_function_arg_pass_by_reference.
1622         * config/arm/arm.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1623         * config/c4x/c4x.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1624         * config/cris/cris.c (cris_pass_by_reference): New.
1625         (TARGET_PASS_BY_REFERENCE): New.
1626         * config/cris/cris.h (FUNCTION_ARG): Don't query pass-by-ref.
1627         (FUNCTION_INCOMING_ARG, FUNCTION_ARG_ADVANCE): Likewise.
1628         (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1629         * config/fr30/fr30.c (TARGET_PASS_BY_REFERENCE): New.
1630         * config/fr30/fr30.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1631         * config/frv/frv-protos.h (frv_function_arg_pass_by_reference): Kill.
1632         * config/frv/frv.c (TARGET_PASS_BY_REFERENCE): New.
1633         (frv_function_arg_pass_by_reference): Remove.
1634         * config/frv/frv.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1635         * config/i386/i386-protos.h (function_arg_pass_by_reference): Remove.
1636         * config/i386/i386.c (TARGET_PASS_BY_REFERENCE): New.
1637         (ix86_pass_by_reference): Rename from function_arg_pass_by_reference.
1638         * config/i386/i386.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1639         * config/ia64/ia64-protos.h (ia64_function_arg_pass_by_reference): Kill.
1640         * config/ia64/ia64.c (TARGET_PASS_BY_REFERENCE): New.
1641         (ia64_pass_by_reference): Rename from
1642         ia64_function_arg_pass_by_reference.
1643         * config/ia64/ia64.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1644         * config/ip2k/ip2k.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1645         * config/iq2000/iq2000-protos.h (function_arg_pass_by_reference): Kill.
1646         * config/iq2000/iq2000.c (TARGET_PASS_BY_REFERENCE): New.
1647         (iq2000_pass_by_reference): Rename from function_arg_pass_by_reference.
1648         * config/iq2000/iq2000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1649         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
1650         * config/m32r/m32r-protos.h (m32r_pass_by_reference): Remove.
1651         * config/m32r/m32r.c (TARGET_PASS_BY_REFERENCE): New.
1652         (m32r_pass_by_reference): Adjust prototype.  Make static.
1653         Handle mode sizes correctly.
1654         * config/m32r/m32r.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1655         * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c
1656         (m68hc11_function_arg_pass_by_reference): Remove.
1657         * config/m68hc11/m68hc11.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1658         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
1659         * config/mcore/mcore.c (TARGET_PASS_BY_REFERENCE): New.
1660         * config/mcore/mcore.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1661         * config/mips/mips-protos.h (function_arg_pass_by_reference): Remove.
1662         * config/mips/mips.c (TARGET_PASS_BY_REFERENCE): New.
1663         (mips_va_arg): Use pass_by_reference.
1664         (mips_pass_by_reference): Rename from function_arg_pass_by_reference.
1665         Handle mode sizes correctly.
1666         * config/mips/mips.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1667         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
1668         * config/mmix/mmix-protos.h (mmix_function_arg_pass_by_reference): Kill.
1669         * config/mmix/mmix.c (TARGET_PASS_BY_REFERENCE): New.
1670         (mmix_pass_by_reference): Rename from
1671         mmix_function_arg_pass_by_reference.
1672         * config/mmix/mmix.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1673         (FUNCTION_ARG_CALLEE_COPIES): True.
1674         * config/mn10300/mn10300.c (TARGET_PASS_BY_REFERENCE): New.
1675         (mn10300_pass_by_reference): New.
1676         * config/mn10300/mn10300.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1677         (FUNCTION_ARG_CALLEE_COPIES): True.
1678         * config/pa/pa.c (pa_pass_by_reference): New.
1679         (TARGET_PASS_BY_REFERENCE): New.
1680         * config/pa/pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1681         (FUNCTION_ARG_CALLEE_COPIES): True.
1682         * config/rs6000/rs6000-protos.h (function_arg_pass_by_reference): Kill.
1683         * config/rs6000/rs6000.c (TARGET_PASS_BY_REFERENCE): New.
1684         (rs6000_pass_by_reference): Rename from function_arg_pass_by_reference.
1685         * config/rs6000/rs6000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1686         * config/s390/s390-protos.h (s390_function_arg_pass_by_reference): Kill.
1687         * config/s390/s390.c (TARGET_PASS_BY_REFERENCE): New.
1688         (s390_pass_by_reference): Rename from
1689         s390_function_arg_pass_by_reference.
1690         (s390_function_arg_advance): Don't query pass-by-ref.
1691         (s390_function_arg): Likewise.
1692         (s390_gimplify_va_arg): Use pass_by_reference.
1693         (s390_call_saved_register_used): Likewise.
1694         * config/s390/s390.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1695         * config/sh/sh.c (TARGET_PASS_BY_REFERENCE): New.
1696         (shcompact_byref, sh_pass_by_reference): New.
1697         * config/sh/sh.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1698         (SHCOMPACT_BYREF): Remove.
1699         * config/sparc/sparc-protos.h (function_arg_pass_by_reference): Kill.
1700         * config/sparc/sparc.c (TARGET_PASS_BY_REFERENCE): New.
1701         (sparc_pass_by_reference): Rename from function_arg_pass_by_reference.
1702         (sparc_gimplify_va_arg): Use pass_by_reference.
1703         * config/sparc/sparc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1704         * config/stormy16/stormy16.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1705         * config/v850/v850.c (TARGET_PASS_BY_REFERENCE): New.
1706         (v850_pass_by_reference): New.
1707         * config/v850/v850.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1708         (FUNCTION_ARG_CALLEE_COPIES): True.
1709         * doc/tm.texi (TARGET_PASS_BY_REFERENCE): Update from
1710         FUNCTION_ARG_PASS_BY_REFERENCE docs.
1711
1712 2004-07-14  Richard Henderson  <rth@redhat.com>
1713             Richard Sandiford  <rsandifo@redhat.com>
1714
1715         * config/mips/mips-protos.h (mips_va_arg): Delete.
1716         * config/mips/mips.h (EXPAND_BUILTIN_VA_ARG): Delete.
1717         * config/mips/mips.c: Include tree-gimple.h.
1718         (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
1719         (mips_arg_info): Remove special handling of must_pass_in_stck args.
1720         (mips_gimplify_va_arg_expr): Rewritten from mips_va_arg.
1721         (function_arg_pass_by_reference): Return true if must_pass_in_stack.
1722
1723 2004-07-13  Bob Wilson  <bob.wilson@acm.org>
1724
1725         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Swap
1726         arguments for COND_EXPR in big-endian adjustment code.
1727
1728 2004-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1729
1730         * pa-64.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Delete.
1731         * pa.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Modify for hppa64.
1732         * pa32-regs.h (REG_ALLOC_ORDER): Reorder caller-saved registers.
1733         * pa64-regs.h (REG_ALLOC_ORDER): Likewise.
1734
1735 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
1736
1737         PR tree-optimization/16443
1738         * tree-ssa-alias.c: Add more description for
1739         CALL_CLOBBERED_VARS and ADDRESSABLE_VARS.
1740         * tree-ssa-operands.c (get_asm_expr_operands): Re-order the
1741         clobbering of call-clobbered and addressable variables.  If
1742         there are any before aliases have been computed, add them.
1743
1744 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
1745
1746         * tree-optimize.c (execute_todo): Flush DUMP_FILE before
1747         verification.
1748
1749 2004-07-13  Ulrich Weigand  <uweigand@de.ibm.com>
1750
1751         * config/s390/s390.c (s390_gimplify_va_arg): Use size_int instead
1752         of build_int_2.  Convert both operands of PLUS_EXPR and MULT_EXPR
1753         to the same type.
1754
1755 2004-07-13  Per Bothner  <per@bothner.com>
1756
1757         * collect2.c (main):  Handle --no-demangle and --demangle flags.
1758
1759 2004-07-13  Sebastian Pop  <pop@cri.ensmp.fr>
1760
1761         * Makefile.in (OBJS-common): Add tree-data-ref.o.
1762         (tree-scalar-evolution.o): Add missing dependences on tree-pass.h flags.h.
1763         (tree-data-ref.o): New rule.
1764         * lambda.h: New file.
1765         * tree-data-ref.c: New file.
1766         * tree-data-ref.h: New file.
1767         * tree.c (int_cst_value, tree_fold_gcd): New functions.
1768         * tree.h (int_cst_value, tree_fold_gcd): Declared here.
1769
1770 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
1771
1772         PR target/13926
1773         * config/sparc/sparc-protos.h (output_ubranch): New prototype.
1774         * config/sparc/sparc.c (output_ubranch): New function.
1775         * config/sparc/sparc.md (jump pattern): Use it.
1776
1777 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
1778
1779         PR target/16494
1780         * config/sparc/sparc.c (output_cbranch): Properly guard
1781         the code handling far branches with TARGET_V9.
1782         * config/sparc/sparc.md (length attribute): Document the
1783         side-effect of having a length greater or equal to 3.
1784
1785 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
1786             Lloyd Parkes  <lloyd@must-have-coffee.gen.nz>
1787
1788         PR target/15186
1789         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Pass
1790         /usr/ucblib/sparcv9 as -R path when -compat-bsd is specified.
1791
1792 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
1793             Martin Sebor  <sebor@roguewave.com>
1794
1795         PR target/12602
1796         * doc/invoke.texi (SPARC options): Document -threads
1797         and -pthreads on Solaris.
1798
1799 2004-07-13  Richard Henderson  <rth@redhat.com>
1800
1801         * builtins.c (std_gimplify_va_arg_expr): Handle types passed
1802         by reference.
1803         (ind_gimplify_va_arg_expr): Remove.
1804         * tree.h (ind_gimplify_va_arg_expr): Remove.
1805         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Don't use it.
1806         * config/mmix/mmix.c (mmix_function_arg_pass_by_reference): Allow
1807         argsp to be null.
1808
1809         * config/arc/arc.c (arc_gimplify_va_arg_expr): Remove.
1810         (TARGET_GIMPLIFY_VA_ARG_EXPR): Remove.
1811         * config/cris/cris.c, config/fr30/fr30.c, config/frv/frv.c,
1812         config/iq2000/iq2000.c, config/m32r/m32r.c, config/mmix/mmix.c,
1813         config/mn10300/mn10300.c, config/v850/v850.c: Similarly.
1814
1815 2004-07-13  Richard Henderson  <rth@redhat.com>
1816
1817         * function.c (pass_by_reference): New.
1818         (assign_parm_find_data_types): Use it.
1819         * calls.c (initialize_argument_information): Likewise.
1820         (emit_library_call_value_1): Likewise.
1821         * expr.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
1822         * function.h (pass_by_reference): Declare.
1823
1824 2004-07-13  Richard Henderson  <rth@redhat.com>
1825
1826         * target-def.h (TARGET_MUST_PASS_IN_STACK): New.
1827         * target.h (struct gcc_target): Add calls.must_pass_in_stack.
1828         * expr.h (MUST_PASS_IN_STACK): Remove.
1829         * system.h (MUST_PASS_IN_STACK): Poison.
1830         * tree.h (must_pass_in_stack_var_size): Declare.
1831         (must_pass_in_stack_var_size_or_pad): Declare.
1832         * calls.c (must_pass_in_stack_var_size): New.
1833         (must_pass_in_stack_var_size_or_pad): Rename from
1834         default_must_pass_in_stack.
1835         * config/alpha/alpha.c (unicosmk_must_pass_in_stack): New.
1836         (TARGET_MUST_PASS_IN_STACK): New.
1837         * config/alpha/unicosmk.h (MUST_PASS_IN_STACK): Remove.
1838         * config/fr30/fr30.c (fr30_must_pass_in_stack): New.
1839         (TARGET_MUST_PASS_IN_STACK): New.
1840         * config/fr30/fr30.h (MUST_PASS_IN_STACK): Remove.
1841         * config/frv/frv.c (frv_must_pass_in_stack): New.
1842         (TARGET_MUST_PASS_IN_STACK): New.
1843         * config/frv/frv.h (MUST_PASS_IN_STACK): Remove.
1844         * config/i386/i386-protos.h (ix86_must_pass_in_stack): Remove.
1845         * config/i386/i386.c (TARGET_MUST_PASS_IN_STACK): New.
1846         (ix86_must_pass_in_stack): Make static.
1847         * config/i386/i386.h (MUST_PASS_IN_STACK): Remove.
1848         * config/ia64/ia64.c (TARGET_MUST_PASS_IN_STACK): New.
1849         * config/ia64/ia64.h (MUST_PASS_IN_STACK): Remove.
1850         * config/m32r/m32r.c (TARGET_MUST_PASS_IN_STACK): New.
1851         * config/m32r/m32r.h (MUST_PASS_IN_STACK): Remove.
1852         * config/mcore/mcore-protos.h (mcore_must_pass_on_stack): Remove.
1853         * config/mcore/mcore.c (TARGET_MUST_PASS_IN_STACK): New.
1854         (mcore_must_pass_on_stack): Remove.
1855         * config/mcore/mcore.h (MUST_PASS_IN_STACK): Remove.
1856         * config/mips/mips.c (TARGET_MUST_PASS_IN_STACK): New.
1857         * config/mips/mips.h (MUST_PASS_IN_STACK): Remove.
1858         * config/pa/pa.c (TARGET_MUST_PASS_IN_STACK): New.
1859         * config/pa/pa.h (MUST_PASS_IN_STACK): Remove.
1860         * config/rs6000/aix.h (MUST_PASS_IN_STACK): Remove.
1861         * config/rs6000/linux64.h (MUST_PASS_IN_STACK): Remove.
1862         * config/rs6000/rs6000.c (rs6000_must_pass_in_stack): New.
1863         (TARGET_MUST_PASS_IN_STACK): New.
1864         * config/sh/sh.c (TARGET_MUST_PASS_IN_STACK): New.
1865         * config/sh/sh.h (MUST_PASS_IN_STACK): Remove.
1866         * config/sparc/sparc.c (TARGET_MUST_PASS_IN_STACK): New.
1867         * config/sparc/sparc.h (MUST_PASS_IN_STACK): Remove.
1868         * config/xtensa/xtensa.c (TARGET_MUST_PASS_IN_STACK): New.
1869         * config/xtensa/xtensa.h (MUST_PASS_IN_STACK): Remove.
1870         * doc/tm.texi (TARGET_MUST_PASS_IN_STACK): Update from
1871         MUST_PASS_IN_STACK.
1872
1873         * calls.c, function.c, config/alpha/alpha.c, config/alpha/alpha.h,
1874         config/alpha/unicosmk.h, config/alpha/vms.h, config/c4x/c4x.c,
1875         config/cris/cris.h, config/fr30/fr30.c, config/fr30/fr30.h,
1876         config/frv/frv.c, config/i386/i386.c, config/iq2000/iq2000.c,
1877         config/mcore/mcore.c, config/mcore/mcore.h, config/mips/mips.c,
1878         config/mmix/mmix.c, config/mmix/mmix.h, config/rs6000/rs6000.c,
1879         config/sh/sh.c, config/sh/sh.h, config/stormy16/stormy16.c,
1880         config/xtensa/xtensa.c: Use target hook.
1881
1882 2004-07-13  Anthony Heading  <aheading@jpmorgan.com>
1883
1884         * configure.ac (gcc_cv_as_offsetable_lo10): Fix a typo.
1885         * configure: Rebuilt.
1886
1887 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
1888
1889         * doc/invoke.texi: Remove documentation for MIPS -mrnames option.
1890         * config/mips/mips.h (mips_reg_names): Don't declare.
1891         (MASK_NAME_REGS): Delete.  Shuffle other MASK_* values down.
1892         (TARGET_NAME_REGS): Delete.
1893         (TARGET_SWITCHES): Remove -mrnames.
1894         (REGISTER_NAMES): Initialise with the old contents of mips_reg_names[].
1895         (ADDITIONAL_REGISTER_NAMES): Remove entries for names mentioned
1896         in REGISTER_NAMES.
1897         * config/mips/mips.c (mips_reg_names, mips_sw_reg_names): Delete.
1898         (override_options): Remove handling of TARGET_NAME_REGS.
1899
1900 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
1901
1902         * config/mips/mips.h (TARGET_*): Boolify.
1903
1904 2004-07-12  Nick Clifton  <nickc@redhat.com>
1905
1906         * config.gcc: Add sh-*-symbianelf target.
1907         * config/sh/sh.c: Add new target macros:
1908         TARGET_ENCODE_SECTION_INFO, TARGET_STRIP_NAME_ENCODING,
1909         TARGET_CXX_IMPORT_EXPORT_CLASS.
1910         (sh_file_start): Create a definition of the .directive section.
1911         (sh_attribute): Add dllimport and dllexport attributes.
1912         * config/sh/symbian-pre.h: New file.
1913         * config/sh/symbian-post.h: New file.
1914         * config/sh/symbian.c: New file. Contains Symbian specific
1915         functions.
1916         * config/sh/sh-protos.h: Add prototypes for new functions
1917         provided by symbian.c.
1918         * config/sh/t-symbian: New file.
1919         * doc/extend.texi: Document support for dllimport and dllexport
1920         attributes by the sh-symbianelf target.
1921
1922 2004-07-12  James E Wilson  <wilson@specifixinc.com>
1923
1924         * Makefile.in (AR): Use @AR@ not ar.
1925         (NM): New.
1926         (AR_FOR_TARGET): Use $(AR) not ar for native.
1927         (NM_FOR_TARGET): Use $(NM) not nm for native.
1928         * configure.ac: Add AC_CHECK_PROG calls for NM and AR.
1929         * configure: Regenerate.
1930
1931 2004-07-12  David S. Miller  <davem@nuts.davemloft.net>
1932
1933         * config/sparc/sparc.md (ashlsi3): Eliminate const 1
1934         special case.
1935         (ashldi3_sp64): Likewise.
1936
1937 2004-07-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1938
1939         PR target/16477
1940         * pa.c (function_arg): Update comment.
1941         * pa.h (BLOCK_REG_PADDING): Define.
1942
1943 2004-07-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1944
1945         PR tree-optimization/16461
1946         * tree-tailcall.c (independent_of_stmt_p): Handle non-SSA name
1947         arguments of phi nodes.
1948
1949 2004-07-12  Devang Patel  <dpatel@apple.com>
1950
1951         * doc/invoke.texi (Darwin Options): Document -gused and -gfull.
1952
1953 2004-07-12  Steve Ellcey  <sje@cup.hp.com>
1954
1955         * function.c (expand_function_start): Ensure r_save is in Pmode.
1956         * calls.c (prepare_call_address): Ensure static_chain_value is
1957         in Pmode.
1958         * builtins.c (expand_builtin_nonlocal_goto): Ensure r_label and
1959         r_save_area are in Pmode.
1960         * config/ia64/ia64.c (ia64_initialize_trampoline): Ensure addr,
1961         fnaddr, and static_chain are in Pmode.
1962
1963 2004-07-12  Vladimir Makarov  <vmakarov@redhat.com>
1964
1965         PR target/16445
1966         * config/ia64/ia64.c (bundling): Don't count ignored insns.
1967
1968 2004-07-12  Richard Henderson  <rth@redhat.com>
1969
1970         * target.h (struct gcc_target): Move gimplify_va_arg_expr
1971         next to build_builtin_va_list.
1972         * target-def.h (TARGET_GIMPLIFY_VA_ARG_EXPR): Update to match.
1973         * builtins.c (gimplify_va_arg_expr): Likewise.
1974         * gimplify.c (copy_if_shared_r): Likewise.
1975
1976 2004-07-12  Alexandre Oliva  <aoliva@redhat.com>
1977
1978         * passes.c (rest_of_decl_compilation): Don't defer call of
1979         assemble_variable if its DECL_RTL is already set.
1980
1981 2004-07-12  Sebastian Pop  <pop@cri.ensmp.fr>
1982
1983         * cfgloop.h (struct loop): Add nb_iterations field.
1984         (current_loops): Declare.
1985         * tree-chrec.c (chrec_not_analyzed_yet,
1986         chrec_dont_know, chrec_known, count_ev_in_wider_type,
1987         chrec_contains_symbols_defined_in_loop): Remove the temporary
1988         hooks.
1989         * tree-flow-inline.h (loop_containing_stmt): New function.
1990         * tree-scalar-evolution.c: Add implementation.
1991         * tree-scalar-evolution.h: Add declarations.
1992
1993 2004-07-12 Vladimir Makarov <vmakarov@redhat.com>
1994
1995         PR rtl-optimization/15921
1996         * Makefile.in (global.o): Add recog.h.
1997
1998         * global.c (recog.h): Add the include-clause.
1999         (bb_info): New member earlyclobber.
2000         (allocate_bb_info, free_bb_info): Initialize/finish the new
2001         member.
2002         (earlyclobber_regclass, earlyclobber_regclass_length): The new
2003         global variables.
2004         (check_earlyclobber, regclass_intersect,
2005         mark_reg_use_for_earlyclobber, mark_reg_use_for_earlyclobber_1):
2006         New functions.
2007         (calculate_local_reg_bb_info): Calculate value of earlyclobber.
2008         (make_accurate_live_analysis): Modify pavin.
2009
2010 2004-07-12  Diego Novillo  <dnovillo@redhat.com>
2011
2012         * tree-cfg.c (find_taken_edge): Statically compute the truth
2013         value of a predicate comparing an SSA_NAME to itself.
2014
2015 2004-07-12  Roger Sayle  <roger@eyesopen.com>
2016
2017         * config/rs6000/rs6000.c (rs6000_rtx_costs): Indicate that the
2018         rs6000 doesn't have shift-and-add or shift-and-sub instructions
2019         by returning the cost of a multiplication plus an addition.
2020
2021 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
2022
2023         PR tree-optimization/14107
2024         * gimplify.c (gimplify_return_expr): Accept a
2025         RETURN_EXPR with an error argument.
2026         * tree-optimize.c (init_tree_optimization_passes):
2027         Run pass_warn_function_return at -O0.
2028
2029 2004-07-12  Roger Sayle  <roger@eyesopen.com>
2030
2031         * doc/invoke.texi: Correct -fasynchronous-unwind-tables option
2032         index entry.
2033
2034 2004-07-12  Richard Sandiford  <rsandifo@redhat.com>
2035
2036         * config/mips/mips.c (mips_use_dfa_pipeline_interface): Delete.
2037         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2038         * config/mips/3000.md: Add copyright notice.  Remove automota and
2039         function units; use generic ones instead.  Only define reservations
2040         for things that are different from generic.md.  Extend each clause
2041         to include r3900.
2042         * config/mips/{4000,4100,4300,4600,5000,6000,generic}.md: New files.
2043         * config/mips/mips.md: Include them. Remove define_function_units.
2044         (alu, imuldiv): New automata and units.
2045
2046 2004-07-12  Ben Elliston  <bje@au.ibm.com>
2047
2048         * doc/invoke.texi (Optimize Options): Document -frename-registers
2049         not being enabled by default at -O3.
2050
2051 2004-07-11  Roger Sayle  <roger@eyesopen.com>
2052
2053         * fold-const.c (fold) <PLUS_EXPR>: Canonicalize X + -C as X - C for
2054         floating point additions, to keep real immediate constant positive.
2055         <MINUS_EXPR>:  For floating point subtractions, only transform X - -C
2056         into X + C, and leave positive real constants as X - C.
2057
2058 2004-07-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2059
2060         * pa.c (hppa_gimplify_va_arg_expr): Remove comment.
2061
2062 2004-07-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2063
2064         PR tree-optimization/15654
2065         * tree-tailcall.c (eliminate_tail_call): Remove unreachable code.
2066
2067 2004-07-11  Roger Sayle  <roger@eyesopen.com>
2068
2069         * builtins.c (fold_builtin_fputs): Don't bother converting the
2070         return type to integer_type_node, as we've already checked that
2071         the result will be ignored.
2072
2073         * tree-eh.c (tree_could_trap_p): Add support for -ftrapv such
2074         that signed addition, subtraction, multiplication, division,
2075         remainder, negation and absolute value may potentially trap.
2076
2077         * fold-const.c (fold_ignored_result): New function to strip
2078         non-side-effecting tree nodes from an expression whose result
2079         is ignored.
2080         (fold_convert): Call fold_ignored_result when casting a value
2081         to VOID_TYPE.
2082         (omit_one_operand):  Call fold_ignored_result on the "omitted"
2083         operand when building a COMPOUND_EXPR.
2084         (pedantic_omit_one_operand): Likewise.
2085         * tree.h (fold_ignored_result): Prototype here.
2086         * tree-ssa-ccp.c (ccp_fold_builtin): Call fold_ignored_result
2087         when we're going to ignore the result.
2088
2089 2004-07-11  Richard Henderson  <rth@redhat.com>
2090
2091         PR tree-opt/16383
2092         * tree-ssa-ccp.c (fold_stmt_r): Split out...
2093         * tree.c (fields_compatible_p, find_compatible_field): ... new.
2094         * tree.h (fields_compatible_p, find_compatible_field): Declare.
2095         * tree-sra.c (sra_hash_tree): Hash fields by offset.
2096         (sra_elt_eq): Use fields_compatible_p.
2097         (generate_one_element_ref): Use find_compatible_field.
2098
2099 2004-07-11  Richard Henderson  <rth@redhat.com>
2100
2101         PR tree-opt/16422
2102         * tree-sra.c (generate_one_element_init): New.
2103         (generate_element_init): Use it.
2104         (scalarize_init): Push/pop gimplify context around it.
2105         (find_new_referenced_vars_1, find_new_referenced_vars): New.
2106         * gimplify.c (gimplify_expr): Allow SSA_NAME.
2107
2108 2004-07-11  Roger Sayle  <roger@eyesopen.com>
2109
2110         * rtlanal.c (insn_rtx_cost): New function, moved and renamed from
2111         combine.c's combine_insn_cost.
2112         * rtl.h (insn_rtx_cost): Prototype here.
2113         * combine.c (combine_insn_cost): Delete function.
2114         (combine_validate_cost): Update callers of combine_insn_cost to
2115         call insn_rtx_cost instead.
2116         (combine_instructions): Likewise.  Use NONJUMP_INSN_P to avoid
2117         requesting the rtx_cost of call and/or jump instructions.
2118
2119         * ifcvt.c (total_bb_rtx_cost): Use insn_rtx_cost instead of calling
2120         rtx_cost directly.  Don't request/use the cost of call or jump
2121         instructions.  Return -1 if the cost of any instruction can't be
2122         determined (or the BB contains a function call).
2123         (find_if_case_1): Abort transformation if total_bb_rtx_cost returns
2124         -1 (i.e. can't determine the cost of any instruction or the basic
2125         block contains a subroutine call).
2126         (find_if_case_2): Likewise.
2127
2128 2004-07-11  Roger Sayle  <roger@eyesopen.com>
2129
2130         * rs6000.c (struct processor_costs): Change semantics of fields to
2131         include the COST_N_INSNS scaling, and update all initializers.
2132         (rs6000_rtx_costs): Don't use COSTS_N_INSNS on rs6000_cost fields.
2133         Use COSTS_N_INSNS(1) for NOT, SIGN_EXTEND, ZERO_EXTEND and COMPARE.
2134         Use rs6000_cost->fp for both FLOAT_TRUNCATE and UNSPEC_FRSP.  When
2135         optimizing for size, use COSTS_N_INSNS(1) for CALL and IF_THEN_ELSE.
2136
2137 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
2138
2139         * LANGUAGES: Remove obsolete information.
2140
2141 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
2142
2143         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): For SIGSEGV and
2144         SIGBUS signal frames, the PSW address points *to* the faulting
2145         instruction, not after it.
2146
2147 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
2148
2149         * config/s390/s390.c (legitimize_tls_address): Handle constant offsets
2150         added to TLS symbol addresses.
2151
2152 2004-07-11  Richard Henderson  <rth@redhat.com>
2153
2154         * expmed.c (init_expmed): Use stack-local structures for
2155         temporary rtl.  Don't recognize shifts.
2156
2157 2004-07-11  Richard Henderson  <rth@redhat.com>
2158
2159         * expr.c (store_expr): Don't fiddle subreg promotion for types
2160         with precision smaller than the mode.
2161
2162 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
2163
2164         * tree.h (all_types_permanent): Remove.
2165
2166 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
2167
2168         * langhooks.h (estimate_num_insns, pushlevel, poplevel, set_block,
2169         maybe_build_cleanup, update_decl_after_saving): Remove hooks.
2170         * langhooks.c (lhd_clear_binding_stack): Remove.
2171         * langhooks-def.h (lhd_clear_binding_stack,
2172         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
2173         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING,
2174         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS, LANG_HOOKS_PUSHLEVEL,
2175         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
2176         (LANG_HOOKS_CLEAR_BINDING_STACK): Define to lhd_do_nothing.
2177         * system.h (LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
2178         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_SET_BLOCK,
2179         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
2180         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING, LANG_HOOKS_POPLEVEL): Poison.
2181         * tree.h (poplevel): Don't declare.
2182         * c-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK, LANG_HOOKS_PUSHLEVEL,
2183         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
2184         * objc/objc-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK,
2185         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK):
2186         Remove.
2187
2188 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
2189
2190         PR tree-optimization/16437
2191         * c-common.c (shorten_compare): Don't mark result of conversion to
2192         narrower signed type as overflowing.
2193         * fold-const.c (decode_field_reference): Determine whether
2194         signedness comes from outer type using precision rather than size.
2195
2196 2004-07-11  Phil Edwards  <phil@codesourcery.com>
2197
2198         * configure.ac:  Alphabetize --enable-checking list, add
2199         missing valgrind entry.
2200         * configure:  Regenerate.
2201
2202 2004-07-11  Phil Edwards  <phil@codesourcery.com>
2203
2204         * doc/install.texi (Testing):  Fix syntax in "make check" example.
2205
2206 2004-07-10  James E Wilson  <wilson@specifixinc.com>
2207
2208         * config/gofast.h (gofast_maybe_init_libfuncs): Use SImode for litodp.
2209
2210 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2211
2212         PR rtl-optimization/16001
2213         * loop-iv.c (iv_number_of_iterations): Prevent copy propagation in
2214         niter_expr.
2215
2216 2004-07-10  Geoffrey Keating  <geoffk@apple.com>
2217
2218         * config/darwin.h (LINK_COMMAND_SPEC): Don't call c++filt.
2219
2220 2004-07-10  Steve Kargl  <sgk@troutmask.apl.washington.edu>
2221             James Morrison  <phython@gcc.gnu.org>
2222
2223         * doc/contrib.texi (Contributors): Add gfortran contributors and
2224         fix a couple of typos.
2225
2226 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2227
2228         PR rtl-optimization/15387
2229         * calls.c (check_sibcall_argument_overlap_1): Handle pointers
2230         to incoming args space correctly.
2231
2232 2004-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2233
2234         * pa.c (output_indirect_call): Only use %r2 as the link register in
2235         indirect calls with the long PA 2.0 pc-relative branch.
2236
2237 2004-07-10  Daniel Jacobowitz  <dan@debian.org>
2238
2239         * config/i386/i386.c (override_options): Pick a 64-bit CPU
2240         for the default tuning if TARGET_64BIT.
2241
2242 2004-07-10  Richard Henderson  <rth@redhat.com>
2243
2244         * builtins.c (std_gimplify_va_arg_expr): Widen align/boundary
2245         to HOST_WIDE_INT.  Fold pad-args-down arithmetic.
2246
2247 2004-07-10  Jakub Jelinek  <jakub@redhat.com>
2248
2249         * expr.h (store_bit_field, extract_bit_field): Remove last argument.
2250         * expmed.c (store_bit_field, extract_bit_field): Remove last
2251         argument.
2252         * builtins.c (expand_builtin_signbit): Adjust callers.
2253         * optabs.c (expand_vector_binop, expand_vector_unop): Likewise.
2254         * calls.c (store_unaligned_arguments_into_pseudos): Likewise.
2255         * ifcvt.c (noce_emit_move_insn): Likewise.
2256         * stmt.c (expand_return): Likewise.
2257         * expr.c (emit_group_load, emit_group_store, copy_blkmode_from_reg,
2258         store_field, expand_expr_real_1): Likewise.
2259
2260 2004-07-10  Richard Henderson  <rth@redhat.com>
2261
2262         * builtins.c (std_gimplify_va_arg_expr): Fix borked BIT_AND_EXPR.
2263
2264 2004-07-09  Mike Stump  <mrs@apple.com>
2265
2266         * config/darwin.c (no_dead_strip): Add.
2267         (HAVE_DEAD_STRIP): Add.
2268         (darwin_emit_unwind_label): Ensure that we don't dead code strip
2269         the .eh label.
2270
2271 2004-07-09  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2272
2273         * tree-ssa-loop-im.c: New file.
2274         * Makefile.in (tree-ssa-loop-im.o): Add.
2275         * cfgloop.c (superloop_at_depth): New function.
2276         * cfgloop.h (superloop_at_depth): Declare.
2277         * common.opt (ftree-lim): New flag.
2278         * expr.c (array_ref_up_bound): New function.
2279         * params.def (PARAM_LIM_EXPENSIVE): New parameter.
2280         * timevar.def (TV_LIM): New timevar.
2281         * tree-dfa.c (compute_immediate_uses): Respect TDFA_USE flags when
2282         computing immediate uses of a phi node.
2283         * tree-flow.h (struct tree_ann_common_d): Add aux field.
2284         (loop_commit_inserts, for_each_index, tree_ssa_lim): Declare.
2285         * tree-optimize.c (init_tree_optimization_passes): Add pass_lim.
2286         * tree-pass.h (pass_lim): Declare.
2287         * tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im): New
2288         functions.
2289         (pass_lim): New pass structure.
2290         * tree-eh.c (tree_could_trap_p): Handle ARRAY_REFs correctly.
2291         * tree.c (in_array_bounds_p): New function.
2292         * tree.h (TREE_THIS_NOTRAP): Define also for ARRAY_REFs.
2293         (in_array_bounds_p, array_ref_up_bound): Declare.
2294         * doc/invoke.texi (-ftree-lim, --param lim-expensive): Document.
2295         * doc/passes.texi (tree-ssa-loop-im.c): Document.
2296
2297 2004-07-09  Richard Henderson  <rth@redhat.com>
2298
2299         * builtins.c (expand_builtin_stpcpy): Don't modify len.
2300
2301         * tree-ssa-ccp.c (ccp_fold_builtin): Strip conversion exprs
2302         with prejudice.
2303
2304 2004-07-10  Kelley Cook  <kcook@gcc.gnu.org>
2305
2306         * flags.h: Delete redundant prototypes that are being generated
2307         in options.h from common.opt.
2308         * common.opt: Add in the expository comments formerly in flags.h.
2309
2310 2004-07-09  Jan Beulich  <jbeulich@novell.com>
2311
2312         * config/i386/i386.c (init_cumulative_args): Set mmx/sse registers
2313         available for use only when TARGET_MMX/_SSE is set, and check for
2314         variable argument function if any register count is non-zero.
2315         (function_arg): Correctly suppress repeated warnings for passing SSE
2316         vectors are arguments without SSE enabled.
2317         (ix86_function_arg_boundary): Without SSE enabled, the use of what
2318         would be SSE register modes does no longer influence the alignment.
2319
2320 2004-07-09  Richard Henderson  <rth@redhat.com>
2321
2322         * builtins.c (std_gimplify_va_arg_expr): Deny ARGS_GROW_DOWNWARD.
2323         Always align upward to arg boundary.  Use size_in_bytes/round_up.
2324         Maintain type-correctness of constants.
2325         * stor-layout.c (round_up, round_down): Special-case powers of 2.
2326
2327 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
2328
2329         * config/sparc/sparc.c (*_costs): Scale instruction costs
2330         by COSTS_N_INSNS.
2331         (sparc_rtx_costs): Adjust as appropriate.
2332
2333 2004-07-09  Jan Beulich  <jbeulich@novell.com>
2334
2335         * config/i386/mm3dnow.h: New.
2336         * config.gcc: Add mm3dnow.h to extra_headers for i?86 and x86-64.
2337
2338 2004-07-09  Richard Henderson  <rth@redhat.com>
2339
2340         * simplify-rtx.c (simplify_const_relational_operation): Only
2341         look at bounds of scalar integers.
2342
2343 2004-07-09  Jan Beulich  <jbeulich@novell.com>
2344
2345         * config/i386/i386.md (sse2_clflush): Use correct operand for clflush.
2346
2347 2004-07-09  Andrew Pinski  <apinski@apple.com>
2348
2349         * objc/objc-act.c (build_module_descriptor): Mark UOBJC_MODULES_decl as
2350         always referenced.
2351         (synth_forward_declarations): Likewise for UOBJC_CLASS_decl and
2352         UOBJC_METACLASS_decl.
2353
2354 2004-07-09  James E Wilson  <wilson@specifixinc.com>
2355
2356         PR target/16364
2357         * config/ia64/ia64.c (ia64_function_arg): For a single element HFA,
2358         do return a parallel if hfa_mode == XFmode and mode == TImode.
2359
2360 2004-07-09  Jan Beulich  <jbeulich@novell.com>
2361
2362         * c-typeck.c (build_unary_op): include VECTOR_TYPE in set of codes
2363         permissible for unary plus.
2364
2365 2004-07-09  Jan Beulich  <jbeulich@novell.com>
2366
2367         * builtin-types.def (BT_UINT): Rename from BT_UNSIGNED.
2368         (BT_FN_UINT): Rename from BT_FN_UNSIGNED.
2369         (BT_FN_PTR_UINT): Rename from BT_FN_PTR_UNSIGNED.
2370         (BT_ULONG, BT_ULONGLONG, BT_UINTMAX, BT_FN_INT_UINT, BT_FN_INT_ULONG,
2371         BT_FN_INT_ULONGLONG, BT_FN_INT_INTMAX, BT_FN_INT_UINTMAX): New.
2372         * builtins.def (BUILTIN_CLZxxx, BUILTIN_CTXxxx, BUILTIN_PARITYxxx,
2373         BUILTIN_POPCOUNTxxx): Arguments are unsigned.
2374         (BUILTIN_xxxIMAX): New.
2375         * builtins.c (expand_builtin): Handle BUILT_IN_FFSIMAX,
2376         BUILT_IN_CLZIMAX, BUILT_IN_CTZIMAX, BUILT_IN_POPCOUNIMAX, and
2377         BUILT_IN_PARITYIMAX.
2378
2379 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
2380
2381         * config/sparc/sparc.h (processor_costs): Define.
2382         (sparc_costs): Declare.
2383         * config/sparc/sparc.c (cypress_costs, supersparc_costs,
2384         hypersparc_costs, sparclet_costs, ultrasparc_costs,
2385         ultrasparc3_costs): New.
2386         (sparc_override_options): Set sparc_costs as appropriate.
2387         (sparc_rtx_costs): Use sparc_costs instead of messy
2388         conditionals.
2389
2390 2004-07-09  Steven Bosscher  <stevenb@suse.de>
2391
2392         * doc/md.texi (Processor pipeline description): Mention that
2393         the old pipeline description is deprecated.
2394
2395         * config/rs6000/7450.md (automaton ppc7450): Split up, move
2396         mciu_7450 function unit to...
2397         (automaton ppc7450mciu): ...new automaton.
2398
2399         * haifa-sched.c (insert_schedule_bubbles_p): Remove.
2400         (schedule_block): Don't consider inserting bubbles.
2401         (sched_init): Don't initialize DFA bubbles.
2402         * target-def.h (TARGET_SCHED_INIT_DFA_BUBBLES,
2403         TARGET_SCHED_DFA_BUBBLE): Remove.
2404         * target.h (init_dfa_bubbles, dfa_bubble): Remove hooks.
2405         * doc/tm.texi (TARGET_SCHED_INIT_DFA_BUBBLES,
2406         TARGET_SCHED_DFA_BUBBLE): Remove documentation.
2407
2408         * stmt.c (conditional_context): Remove prototype.
2409         * tree.h (conditional_context): Remove.
2410         * tree-cfg.c (pre_insert_on_edge): Remove.
2411
2412         * c-common.h (c_expand_asm_operands): Remove prototype.
2413         * c-typeck.c (c_expand_asm_operands): Remove.
2414
2415 2004-07-09  Jan Beulich  <jbeulich@novell.com>
2416
2417         * config/i386/i386.c (classify_argument): Treat V1xx modes the same as
2418         their base modes. CTImode, TCmode, and XCmode must be passed in memory.
2419         TFmode (__float128) must be is an SSE/SSEUP pair. V2SImode, V4HImode,
2420         and V8QI are class SSE. All sufficiently small remaining vector modes
2421         must be passed in one or two integer registers.
2422         (ix86_libcall_value): TFmode must be returned in xmm0, XCmode must be
2423         returned in memory.
2424         (bdesc_2arg, ix86_init_mmx_sse_builtins): __builtin_ia32_pmuludq and
2425         __builtin_ia32_pmuludq128 have non-uniform argument and return types
2426         and must thus be handled explicitly.
2427         * config/i386/i386.md (*movdi_1_rex64): Add cases for moving between
2428         MMX and XMM regs.
2429         (movv8qi_internal, movv4hi_internal, movv2si_internal,
2430         movv2sf_internal): Permit moving between MMX and XMM registers (since
2431         MMX areguments and return values are passed in XMM registers).
2432         (sse2_umulsidi3): Correct type and mode.
2433
2434 2004-07-09  Richard Henderson  <rth@redhat.com>
2435
2436         * tree-cfg.c (dump_cfg_stats): Fix 64-bit format mismatch errors.
2437
2438 2004-07-09  Eric Christopher  <echristo@redhat.com>
2439
2440         * config/rs6000/40x.md: Split into two automatons.
2441
2442 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
2443             Andrew Pinski  <apinski@apple.com>
2444
2445         * c-opts.c (c_common_post_options): Force unit-at-a-time mode
2446         on when we have more than one input file.
2447         (c_common_parse_file): Restore loop over all input files.
2448         Clarify diagnostic for -dy when YYDEBUG wasn't defined.
2449
2450         * c-decl.c (set_type_context): New function.
2451         (pop_scope): Use it to set context of types.  When we
2452         encounter a TYPE_DECL, set the context of the attached type too.
2453         (pop_file_scope): Don't call cpp_undef_all here.
2454         (diagnose_mismatched_decls): Do not complain about a second
2455         definition of an 'extern inline' function if it's not in the
2456         same translation unit.  Do not complain about inline
2457         declaration after use if the use was in a different
2458         translation unit.
2459         (merge_decls): Don't clobber olddecl's DECL_CONTEXT.
2460         (pushdecl): Do not put DECL_EXTERNAL, !TREE_PUBLIC decls in
2461         the external scope.
2462         (pushdecl_top_level): Likewise.
2463         (grokdeclarator): Clarify what is going on with setting
2464         DECL_EXTERNAL on function types, a little.
2465         (c_write_global_declarations): Don't do anything if
2466         -fsyntax-only or errors have been encountered.
2467
2468 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
2469
2470         * vec.c, vec.h (vec_assert_fail): Use unsigned int for LINE argument.
2471
2472 2004-07-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2473
2474         PR target/16459
2475         * pa.c (output_indirect_call): Use %r2 as the link register when
2476         calling $$dyncall with a pc-relative branch.
2477
2478 2004-07-08  Gerald Pfeifer  <gerald@pfeifer.com>
2479
2480         * doc/install.texi (Binaries): Mention OpenPKG.
2481
2482 2004-07-09  Diego Novillo  <dnovillo@redhat.com>
2483
2484         Fix PR tree-optimization/15555
2485         * tree-dfa.c (dump_variable): If the variable is a pointer
2486         SSA_NAME, also dump its points-to information.
2487         * tree-flow.h (struct ptr_info_def): Add field
2488         is_dereferenced.
2489         (dump_points_to_info_for): Declare.
2490         (debug_points_to_info_for): Declare.
2491         * tree-optimize.c (init_tree_optimization_passes): Add a
2492         second alias analysis pass after DOM2.
2493         Move pass_del_pta to a later spot.
2494         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Do not
2495         create a name tags when we find a dereferenced pointer.  Just
2496         mark the pointer dereferenced.
2497         (collect_points_to_info_for): Move code to clear points-to
2498         information to create_name_tags.
2499         (create_name_tags): New function.
2500         (compute_flow_sensitive_aliasing): Call it.
2501         (setup_pointers_and_addressables): Mark type tags for renaming
2502         here instead of ...
2503         (create_memory_tag): ... here.
2504         (merge_pointed_to_info): Do not merge PT_MALLOC attributes.
2505         (dump_points_to_info_for): Declare extern.
2506         (debug_points_to_info_for): New function.
2507
2508 2004-07-09  Paolo Bonzini  <bonzini@gnu.org>
2509
2510         * config/arc/arc.md: Switch to DFA-based scheduler description.
2511         * config/arc/arc.c: Switch to DFA-based scheduler description.
2512
2513 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
2514
2515         * arm/unknown-elf.h (TARGET_DEFAULT): Don't require an APCS frame
2516         pointer.
2517
2518 2004-07-09  Richard Henderson  <rth@redhat.com>
2519
2520         * config/xtensa/xtensa-protos.h (xtensa_va_arg): Remove.
2521         * config/xtensa/xtensa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2522         (xtensa_gimplify_va_arg_expr): Rewrite from xtensa_va_arg.
2523         * config/xtensa/xtensa.h (EXPAND_BUILTIN_VA_ARG): Remove.
2524
2525         * config/v850/v850-protos.h (v850_va_arg): Remove.
2526         * config/v850/v850.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2527         (v850_gimplify_va_arg_expr): Rewrite from v850_va_arg.
2528         * config/v850/v850.h (EXPAND_BUILTIN_VA_ARG): Remove.
2529         (FUNCTION_ARG_PASS_BY_REFERENCE): Handle variable size types.
2530         (FUNCTION_ARG_CALLEE_COPIES): Use FUNCTION_ARG_PASS_BY_REFERENCE.
2531
2532 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
2533
2534         PR target/12133
2535         * arm.c (arm_legitimate_index_p) Allow DFmode for soft-float
2536         and DImode to use +/-4k offset.
2537
2538 2004-07-09  Richard Henderson  <rth@redhat.com>
2539
2540         * config/stormy16/stormy16-protos.h (xstormy16_expand_builtin_va_arg):
2541         Remove.
2542         * config/stormy16/stormy16.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2543         (xstormy16_gimplify_va_arg_expr): Rewrite from
2544         xstormy16_expand_builtin_va_arg.
2545         * config/stormy16/stormy16.h (EXPAND_BUILTIN_VA_ARG): Remove.
2546
2547         * config/sparc/sparc-protos.h (sparc_va_arg): Remove.
2548         * config/sparc/sparc.c (sparc_gimplify_va_arg): Mark static.
2549
2550         * config/sh/sh-protos.h (sh_va_arg): Remove.
2551         * config/sh/sh.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2552         (sh_gimplify_va_arg_expr): Rewrite from sh_va_arg.
2553         * config/sh/sh.h (EXPAND_BUILTIN_VA_ARG): Remove.
2554
2555         * config/pa/pa-protos.h (hppa_va_arg): Remove.
2556         * config/pa/pa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2557         (hppa_gimplify_va_arg_expr): Rewrite from hppa_va_arg.
2558         * config/pa/pa.h (EXPAND_BUILTIN_VA_ARG): Remove.
2559
2560         * config/mn10300/mn10300-protos.h (mn10300_va_arg): Remove.
2561         * config/mn10300/mn10300.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2562         (mn10300_gimplify_va_arg_expr): Rewrite from mn10300_va_arg.
2563         * config/mn10300/mn10300.h (EXPAND_BUILTIN_VA_ARG): Remove.
2564
2565 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
2566
2567         * config/sparc/sparc.md (return): Rewrite length formula.
2568         * config/sparc/sparc.c (output_return): Pass 1 as 5th
2569         argument to final_scan_insn when in a delay slot.
2570         (output_sibcall): Likewise.
2571
2572 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
2573
2574         * arm.c (arm_cpp_interwork): New variable.
2575         (arm_override_options): Set it if TARGET_INTERWORK was on the command
2576         line.
2577         * arm.h (arm_cpp_interwork): Declare it.
2578         (TARGET_CPU_CPP_BUILTINS): Use it to control definition of
2579         __THUMB_INTERWORK__ in the preprocessor.
2580
2581 2004-07-09  Nathan Sidwell  <nathan@codesourcery.com>
2582
2583         * vec.h (VEC_T_alloc): Fix MEM_STAT_DECL pasto.
2584
2585 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
2586
2587         PR target/16416
2588         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): New macro.
2589         Override default settings to account for -m32 and -m64.
2590
2591 2004-07-08  Randolph Chung  <tausq@debian.org>
2592
2593         * pa32-linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
2594
2595 2004-07-09  Alexandre Oliva  <aoliva@redhat.com>
2596
2597         * builtins.c (fold_builtin_strncpy): Make sure len is a constant
2598         before comparing it as such.
2599
2600 2004-07-08  Richard Henderson  <rth@redhat.com>
2601
2602         * builtins.c (std_gimplify_va_arg_expr): Hoist valist into a
2603         temporary.  Use bit arithmetic to align.
2604
2605 2004-07-08  Jerry Quinn  <jlquinn@optonline.net>
2606
2607         * alias.c (nonlocal_mentioned_p, nonlocal_referenced_p,
2608         nonlocal_set_p, init_alias_analysis): Use, LABEL_P, JUMP_P, CALL_P,
2609         NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
2610         * bb-reorder.c (mark_bb_for_unlikely_executed_section,
2611         add_labels_and_missing_jumps, find_jump_block,
2612         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
2613         Likewise.
2614         * bt-load.c (btr_referenced_p, compute_defs_uses_and_gen,
2615         link_btr_uses, move_btr_def): Likewise.
2616         * builtins.c (expand_builtin_longjmp, expand_builtin_nonlocal_goto,
2617         expand_builtin_expect_jump): Likewise.
2618         * caller-save.c (save_call_clobbered_regs, insert_one_insn): Likewise.
2619         * calls.c (expand_call, emit_library_call_value_1): Likewise.
2620         * cfganal.c (forwarder_block_p): Likewise.
2621         * cfgbuild.c (inside_basic_block_p, count_basic_blocks,
2622         make_label_edge, rtl_make_eh_edge, make_edges, find_basic_blocks_1,
2623         find_bb_boundaries): Likewise.
2624         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
2625         merge_blocks_move_predecessor_nojumps,
2626         merge_blocks_move_successor_nojumps, insns_match_p,
2627         flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
2628         try_optimize_cfg): Likewise.
2629         * cfgexpand.c (expand_block, construct_exit_block): Likewise.
2630         * cfglayout.c (skip_insns_after_block, label_for_bb,
2631         record_effective_endpoints, insn_locators_initialize,
2632         fixup_reorder_chain, update_unlikely_executed_notes): Likewise.
2633         * cfgmainloop.c (create_loop_notes): Likewise.
2634         * cfgrtl.c (delete_insn, delete_insn_chain,
2635         create_basic_block_structure, rtl_delete_block, free_bb_for_insn,
2636         update_bb_for_insn, rtl_merge_blocks, rtl_can_merge_blocks,
2637         block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
2638         redirect_branch_edge, force_nonfallthru_and_redirect,
2639         rtl_tidy_fallthru_edge, back_edge_of_syntactic_loop_p,
2640         rtl_split_edge, commit_one_edge_insertion, print_rtl_with_bb,
2641         update_br_prob_note, rtl_verify_flow_info_1, rtl_verify_flow_info,
2642         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
2643         cfg_layout_delete_block, cfg_layout_can_merge_blocks_p,
2644         cfg_layout_merge_blocks, rtl_block_ends_with_call_p,
2645         need_fake_edge_p, rtl_flow_call_edges_add): Likewise.
2646         * combine.c (combine_instructions, can_combine_p, try_combine,
2647         find_split_point, record_dead_and_set_regs, reg_dead_at_p,
2648         distribute_notes, distribute_links, insn_cuid): Likewise.
2649         * cse.c (fold_rtx, cse_insn, cse_around_loop,
2650         invalidate_skipped_block, cse_set_around_loop,
2651         cse_end_of_basic_block, cse_main, cse_basic_block,
2652         cse_condition_code_reg): Likewise.
2653         * cselib.c (cselib_process_insn): Likewise.
2654         * ddg.c (create_ddg): Likewise.
2655         * df.c (df_insn_refs_record, df_bb_rd_local_compute, df_insns_modify):
2656         Likewise.
2657         * dwarf2out.c (dwarf2out_stack_adjust, dwarf2out_frame_debug,
2658         gen_label_die, dwarf2out_var_location): Likewise.
2659         * emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn,
2660         next_insn, previous_insn, next_nonnote_insn, prev_nonnote_insn,
2661         last_call_insn, active_insn_p, next_label, prev_label,
2662         link_cc0_insns, next_cc0_user, try_split, add_insn_after,
2663         add_insn_before, remove_insn, add_function_usage_to,
2664         reorder_insns, find_line_note, remove_unnecessary_notes,
2665         emit_insn_after_1, classify_insn): Likewise.
2666         * except.c (convert_from_eh_region_ranges_1, emit_to_new_bb_before,
2667         connect_post_landing_pads, sjlj_mark_call_sites,
2668         sjlj_emit_function_enter, sjlj_emit_function_exit, reachable_handlers,
2669         can_throw_internal, can_throw_external, set_nothrow_function_flags,
2670         convert_to_eh_region_ranges): Likewise.
2671         * explow.c (optimize_save_area_alloca): Likewise.
2672         * expr.c (expand_expr_real): Likewise.
2673         * final.c (insn_current_reference_address, compute_alignments,
2674         shorten_branches, final, scan_ahead_for_unlikely_executed_note,
2675         final_scan_insn, output_asm_label, leaf_function_p): Likewise.
2676         * flow.c (first_insn_after_basic_block_note, delete_dead_jumptables,
2677         propagate_block_delete_insn, propagate_one_insn,
2678         init_propagate_block_info, propagate_block, libcall_dead_p,
2679         mark_set_1, attempt_auto_inc, find_auto_inc, try_pre_increment):
2680         Likewise.
2681         * function.c (instantiate_virtual_regs, reorder_blocks_1,
2682         expand_function_start, expand_function_end, contains,
2683         thread_prologue_and_epilogue_insns,
2684         reposition_prologue_and_epilogue_notes): Likewise.
2685         * gcse.c (constprop_register, bypass_conditional_jumps,
2686         insert_insn_end_bb, gcse_after_reload): Likewise.
2687         * genemit.c (gen_expand, gen_split): Likewise.
2688         * genpeep.c (gen_peephole, main): Likewise.
2689         * global.c (build_insn_chain): Likewise.
2690         * graph.c (node_data, print_rtl_graph_with_bb): Likewise.
2691         * haifa-sched.c (unlink_other_notes, unlink_line_notes,
2692         get_block_head_tail, no_real_insns_p, rm_line_notes, save_line_notes,
2693         restore_line_notes, rm_redundant_line_notes, rm_other_notes,
2694         ok_for_early_queue_removal, set_priorities, sched_init): Likewise.
2695         * ifcvt.c (count_bb_insns, first_active_insn, last_active_insn,
2696         cond_exec_process_insns, end_ifcvt_sequence, noce_process_if_block,
2697         merge_if_block, block_jumps_and_fallthru_p, find_if_block,
2698         dead_or_predicable): Likewise.
2699         * integrate.c (try_constants): Likewise.
2700         * jump.c (rebuild_jump_labels, cleanup_barriers,
2701         purge_line_number_notes, init_label_info, mark_all_labels,
2702         squeeze_notes, get_label_before, get_label_after,
2703         reversed_comparison_code_parts, simplejump_p, pc_set,
2704         returnjump_p, onlyjump_p, follow_jumps, mark_jump_label,
2705         delete_barrier, delete_prior_computation, delete_computation,
2706         delete_related_insns, delete_for_peephole, redirect_jump):
2707         Likewise.
2708         * lcm.c (optimize_mode_switching): Likewise.
2709         * local-alloc.c (validate_equiv_mem, update_equiv_regs, block_alloc):
2710         Likewise.
2711         * loop-doloop.c (doloop_valid_p, doloop_optimize): Likewise.
2712         * loop-invariant.c (find_exits, find_invariants_bb): Likewise.
2713         * loop-iv.c (simplify_using_assignment): Likewise.
2714         * loop.c (compute_luids, loop_optimize, scan_loop, libcall_other_reg,
2715         libcall_benefit, skip_consec_insns, move_movables, prescan_loop,
2716         find_and_verify_loops, labels_in_range_p, for_each_insn_in_loop,
2717         loop_bivs_init_find, strength_reduce, check_insn_for_bivs,
2718         check_insn_for_givs, check_final_value, update_giv_derive,
2719         basic_induction_var, product_cheap_p, check_dbra_loop,
2720         loop_insn_first_p, last_use_this_basic_block,
2721         canonicalize_condition, get_condition, loop_regs_scan, load_mems,
2722         try_copy_prop, LOOP_BLOCK_NUM, loop_dump_aux): Likewise.
2723         * modulo-sched.c (doloop_register_get, find_line_note, sms_schedule,
2724         sms_schedule_by_order): Likewise.
2725         * optabs.c (emit_no_conflict_block, emit_libcall_block): Likewise.
2726         * postreload.c (reload_cse_simplify_operands, reload_combine,
2727         reload_cse_move2add): Likewise.
2728         * predict.c (can_predict_insn_p, estimate_probability,
2729         expected_value_to_br_prob, process_note_predictions): Likewise.
2730         * print-rtl.c (print_rtx, print_rtl, print_rtl_single): Likewise.
2731         * profile.c (branch_prob): Likewise.
2732         * ra-build.c (live_out_1, livethrough_conflicts_bb,
2733         detect_webs_set_in_cond_jump): Likewise.
2734         * ra-debug.c (ra_print_rtx_object, ra_debug_insns,
2735         ra_print_rtl_with_bb): Likewise.
2736         * ra-rewrite.c (insert_stores, rewrite_program2): Likewise.
2737         * recog.c (next_insn_tests_no_inequality, find_single_use,
2738         split_all_insns, peephole2_optimize, if_test_bypass_p): Likewise.
2739         * reg-stack.c (next_flags_user, record_label_references,
2740         emit_swap_insn, swap_rtx_condition, subst_stack_regs,
2741         compensate_edge, convert_regs_1): Likewise.
2742         * regclass.c (scan_one_insn): Likewise.
2743         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
2744         regmove_optimize, fixup_match_1, single_set_for_csa,
2745         combine_stack_adjustments_for_block): Likewise.
2746         * regrename.c (build_def_use, copyprop_hardreg_forward_1): Likewise.
2747         * reload.c (find_reloads, find_reloads_address_1, subst_reloads,
2748         find_equiv_reg): Likewise.
2749         * reload1.c (reload, calculate_needs_all_insns, set_label_offsets,
2750         reload_as_needed, emit_input_reload_insns, do_output_reload,
2751         delete_output_reload, delete_address_reloads_1, fixup_abnormal_edges):
2752         Likewise.
2753         * reorg.c (find_end_label, emit_delay_sequence,
2754         delete_from_delay_slot, delete_scheduled_jump, optimize_skip,
2755         get_jump_flags, rare_destination, mostly_true_jump,
2756         try_merge_delay_insns, redundant_insn, own_thread_p,
2757         fill_simple_delay_slots, fill_slots_from_thread,
2758         fill_eager_delay_slots, relax_delay_slots, make_return_insns,
2759         dbr_schedule): Likewise.
2760         * resource.c (find_basic_block, next_insn_no_annul,
2761         find_dead_or_set_registers, mark_target_live_regs): Likewise.
2762         * rtl.h (RTX_PREV): Likewise.
2763         * rtlanal.c (global_reg_mentioned_p, no_labels_between_p,
2764         no_jumps_between_p, reg_used_between_p, reg_referenced_between_p,
2765         reg_set_p, find_last_value, dead_or_set_regno_p, find_reg_fusage,
2766         find_regno_fusage, pure_call_p, replace_label, rtx_referenced_p_1,
2767         tablejump_p, computed_jump_p, insns_safe_to_move_p,
2768         find_first_parameter_load, can_hoist_insn_p): Likewise.
2769         * sched-deps.c (get_condition, add_dependence, sched_analyze_2,
2770         sched_analyze_insn, sched_analyze, add_forward_dependence): Likewise.
2771         * sched-ebb.c (fix_basic_block_boundaries, add_deps_for_risky_insns,
2772         schedule_ebbs): Likewise.
2773         * sched-rgn.c (is_cfg_nonregular, find_conditional_protection,
2774         is_conditionally_protected, can_schedule_ready_p,
2775         add_branch_dependences, debug_dependencies): Likewise.
2776         * stmt.c (emit_nop, expand_start_case, emit_jump_if_reachable):
2777         Likewise.
2778         * unroll.c (unroll_loop, copy_loop_body, back_branch_in_range_p,
2779         reg_dead_after_loop, loop_find_equiv_value, loop_iterations,
2780         set_dominates_use, ujump_to_loop_cont): Likewise.
2781         * var-tracking.c (prologue_stack_adjust, vt_initialize): Likewise.
2782         * varasm.c (output_constant_pool_1): Likewise.
2783
2784 2004-07-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2785
2786         * tree-scalar-evolution.c: New file.
2787         * tree-scalar-evolution.h: New file.
2788         * tree-ssa-loop-niter.c: New file.
2789         * Makefile.in (SCEV_H): New.
2790         (tree-scalar-evolution.o, tree-ssa-loop-niter.o): Add new files.
2791         * cfgloop.h (struct loop): Add bounds field.
2792         * tree-flow.h (struct tree_niter_desc): New type.
2793         (number_of_iterations_cond, number_of_iterations_exit,
2794         loop_niter_by_eval, find_loop_niter_by_eval,
2795         estimate_numbers_of_iterations, can_count_iv_in_wider_type,
2796         free_numbers_of_iterations_estimates): Declare.
2797         * tree.h (lower_bound_in_type, upper_bound_in_type): Declare.
2798         * params.def (PARAM_MAX_ITERATIONS_TO_TRACK): New parameter.
2799         * doc/invoke.texi (max-iterations-to-track): Document.
2800
2801 2004-07-08  Kaz Kojima  <kkojima@gcc.gnu.org>
2802
2803         * config/sh/sh.c (sh_va_arg): Initinalize lab_over.
2804         * config/sh/sh.h (CONST_OK_FOR_J16): Use parentheses.
2805         (MODE_AFTER): Add cast appropriately.
2806         * config/sh/sh.md (movdi splitter): Likewise.
2807         (casesi_worker_2): Add const qualifier appropriately.
2808         (eh_return): Remove unused variable.
2809         (insv): Initialize v;
2810
2811 2004-07-08  Richard Henderson  <rth@redhat.com>
2812
2813         * config/mmix/mmix-protos.h (mmix_expand_builtin_va_arg): Remove.
2814         * config/mmix/mmix.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2815         (mmix_gimplify_va_arg_expr): Rewrite from mmix_expand_builtin_va_arg.
2816         * config/mmix/mmix.h (EXPAND_BUILTIN_VA_ARG): Remove.
2817         (FRAME_POINTER_REQUIRED): Use current_function_has_nonlocal_label.
2818
2819         * config/m32r/m32r-protos.h (m32r_va_arg): Remove.
2820         * config/m32r/m32r.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2821         (m32r_gimplify_va_arg_expr): Rewrite from m32r_va_arg.
2822         * config/m32r/m32r.h (EXPAND_BUILTIN_VA_ARG): Remove.
2823
2824         * config/iq2000/iq2000-protos.h (iq2000_va_arg): Remove.
2825         * config/iq2000/iq2000.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2826         (iq2000_gimplify_va_arg_expr): Rewrite from iq2000_va_arg.
2827         * config/iq2000/iq2000.h (EXPAND_BUILTIN_VA_ARG): Remove.
2828
2829         * config/frv/frv-protos.h (frv_expand_builtin_va_arg): Remove.
2830         * config/frv/frv.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2831         (frv_gimplify_va_arg_expr): Rewrite from frv_expand_builtin_va_arg.
2832         * config/frv/frv.h (EXPAND_BUILTIN_VA_ARG): Remove.
2833
2834         * config/i860/i860-protos.h (i860_va_arg): Remove.
2835         * config/i860/i860.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2836         (i860_gimplify_va_arg_expr): Rewrite from i860_va_arg.
2837         * config/i860/i860.h (EXPAND_BUILTIN_VA_ARG): Remove.
2838
2839 2004-05-31  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
2840
2841         * system.h: Prototype getpagesize if missing.
2842         * configure.ac: Add getpagesize to gcc_AC_CHECK_DECLS.
2843         * configure: Regenerate.
2844         * config.in: Regenerate.
2845
2846 2004-07-08  Richard Henderson  <rth@redhat.com>
2847
2848         * config/fr30/fr30-protos.h (fr30_va_arg): Remove.
2849         * config/fr30/fr30.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2850         (fr30_gimplify_va_arg_expr): New.
2851         (fr30_pass_by_reference, fr30_pass_by_value, fr30_va_arg): Remove.
2852         * config/fr30/fr30.h (EXPAND_BUILTIN_VA_ARG): Remove.
2853
2854 2004-07-08  Vladimir Makarov  <vmakarov@redhat.com>
2855
2856         PR target/16414
2857         * config/ia64/ia64.c (ia64_dfa_new_cycle): Fix typo in comparison
2858         of asm_noperands result.
2859
2860 2004-07-08  Richard Henderson  <rth@redhat.com>
2861
2862         * config/cris/cris-protos.h (cris_expand_builtin_va_arg): Remove.
2863         * config/cris/cris.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2864         (cris_gimplify_va_arg_expr): Rewrite from cris_expand_builtin_va_arg.
2865         * config/cris/cris.h (EXPAND_BUILTIN_VA_ARG): Remove.
2866
2867 2004-07-08  Richard Henderson  <rth@redhat.com>
2868
2869         * builtins.c (ind_gimplify_va_arg_expr): New.
2870         * tree.h (ind_gimplify_va_arg_expr): Declare.
2871         * config/arc/arc.c (arc_gimplify_va_arg_expr): Use it.
2872
2873 2004-07-08  Jan Beulich  <jbeulich@novell.com>
2874
2875         * expmed.c (extract_bit_field): Correct condition to use vec_extract
2876         patterns also on vector elements other than the first one.
2877         * config/i386/i386.md (vec_extractv2df, vec_extractv4sf): Add missing
2878         break statements.
2879
2880 2004-07-08  Geoffrey Keating  <geoffk@apple.com>
2881
2882         * config/rs6000/darwin-ldouble.c: Correct reference
2883         to the Linnainmaa paper.
2884
2885 2004-07-08  Richard Henderson  <rth@redhat.com>
2886
2887         * config/arc/arc-protos.h (arc_va_arg): Remove.
2888         * config/arc/arc.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2889         (arc_gimplify_va_arg_expr): Rewrite from arc_va_arg.
2890         * config/arc/arc.h (EXPAND_BUILTIN_VA_ARG): Remove.
2891
2892         * config/c4x/c4x-protos.h (c4x_va_arg): Remove.
2893         * config/c4x/c4x.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2894         (c4x_gimplify_va_arg_expr): Rewrite from c4x_va_arg.
2895         * config/c4x/c4x.h (EXPAND_BUILTIN_VA_ARG): Remove.
2896
2897 2004-07-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2898
2899         * pa.md (prefetch_32, prefetch_64): Simplify constraint checks.
2900
2901 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
2902
2903         * c-decl.c (static_ctors, static_dtors): Make static.
2904         (pop_file_scope): Call c_common_write_pch and
2905         cgraph_finalize_compilation_unit here.
2906         (build_cdtor): Moved here from c-objc-common.c; simplify.
2907         (c_write_global_declarations_1): Clarify comment.
2908         (c_write_global_declarations): Close the external scope before
2909         doing anything else.  Call build_cdtor, cgraph_optimize, and
2910         mudflap_finish_file here.
2911         * c-lang.c (finish_file): Don't call c_objc_common_finish_file.
2912         Clarify comment.
2913         * c-objc-common.c: No need to include cgraph.h.
2914         (build_cdtor): Moved to c-decl.c.
2915         (c_objc_common_finish_file): Delete.
2916         * c-tree.h: Update to match.
2917         * objc/objc-act.c (finish_file): Don't call c_objc_common_finish_file.
2918         (generate_static_references): Set TREE_USED before calling finish_decl.
2919         Eliminate unnecessary dummy declaration.  Call rest_of_decl_compilation
2920         on the static_instances_decl.
2921
2922 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
2923
2924         * c-decl.c (pop_scope): Do not set DECL_CONTEXT on file-scope
2925         decls when there is only one input translation unit.
2926         * langhooks.c (lhd_set_decl_assembler_name): Partially revert
2927         change of 2004-07-05; do not treat declarations with
2928         DECL_CONTEXT a TRANSLATION_UNIT_DECL specially.
2929         * opts.c (cur_in_fname): Delete.
2930         * opts.h: Likewise.
2931         * tree.c: Revert changes of 2004-07-05; no special treatment
2932         for TRANSLATION_UNIT_DECLs.
2933         * Makefile.in (tree.o): Update dependencies.
2934
2935 2004-07-08  Roger Sayle  <roger@eyesopen.com>
2936
2937         * builtins.c (fold_builtin_strcpy): Merge functionality from
2938         simplify_builtin_strcpy.  Add additional len argument.  No longer
2939         static.  Remove function prototype.
2940         (fold_builtin_strncpy): Likewise integrate functionality from
2941         simplify_builtin_strncpy.  Add additional slen argument.  No
2942         longer static.  Remove function prototype.
2943         (simplify_builtin_strcy, simplify_builtin_strncpy): Delete.
2944         (simplify_builtin_fputs): Rename to fold_builtin_fputs.  Change
2945         types of "ignore" and "unlocked" parameters to bool.
2946         (fold_builtin_1):  Add additional ignore argument.  Call renamed
2947         fold_builtin_fputs to simplify GCC "fputs" and "fputs_unlocked"
2948         builtins.  Update arguments to fold_builtin_strncpy and
2949         fold_builtin_strcpy.  Add function prototype.
2950         (fold_builtin): Add additional Boolean ignore argument to pass
2951         to fold_builtin_1.
2952         (simplify_builtin): Call fold_builtin_fputs, fold_builtin_strcpy
2953         and fold_builtin_strncpy instead of simplify_builtin_fputs,
2954         simplify_builtin_strcpy and simplify_builtin_strncpy respectively.
2955
2956         * expr.h (simplify_builtin_fputs, simplify_builtin_strcpy,
2957         simplify_builtin_strncpy): Delete function prototypes.
2958         * tree.h (fold_builtin_fputs, fold_builtin_strcpy,
2959         fold_builtin_strncpy): Add function prototypes here.
2960         (fold_builtin): Update function prototype with new "bool ignore".
2961
2962         * tree-ssa-ccp.c (ccp_fold): Update call to fold_builtin.
2963         (ccp_fold_builtin):  Update call to fold_builtin.  Call
2964         fold_builtin_fputs, fold_builtin_strcpy and fold_builtin_strncpy
2965         instead of simplify_builtin_fputs, simplify_builtin_strcpy and
2966         simplify_builtin_strncpy respectively.
2967         * fold-const.c (fold): Update call to fold_builtin.
2968
2969 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
2970
2971         * builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy
2972         to strcpy.
2973
2974         * expr.h (FUNCTION_ARG_PARTIAL_NREGS): Default to 0.
2975         (FUNCTION_ARG_PASS_BY_REFERENCE): Likewise.
2976         (FUNCTION_ARG_CALLEE_COPIES): Likewise.
2977         * calls.c: Remove ifdefs of macros above.
2978         * functions.c: Likewise.
2979         * expr.c: Likewise.
2980
2981 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
2982
2983         * config/sparc/sparc.md (UNSPECV_GOTO_V9): Delete.
2984         (arch attribute): Delete.
2985         (current_function_calls_alloca attribute): Rename into calls_alloca.
2986         (calls_eh_return): New attribute.
2987         (leaf_function): Likewise.
2988         (length attribute): Fix formula for sibcalls.
2989         (return insn): Correctly compute the 'length' attribute.
2990         (do_builtin_setjmp_setup): Adjust use of current_function_calls_alloca.
2991
2992 2004-07-08  Richard Henderson  <rth@redhat.com>
2993
2994         * tree-cfg.c (make_exit_edges): Use get_call_expr_in.
2995         (remove_useless_stmts_1, is_ctrl_altering_stmt): Likewise.
2996         (tree_block_ends_with_call_p, need_fake_edge_p): Likewise.
2997         * tree-eh.c (lower_eh_constructs_1): Likewise.
2998         * tree-sra.c (sra_walk_modify_expr): Likewise.
2999         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
3000         (eliminate_unnecessary_stmts): Likewise.
3001         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
3002         * tree-tailcall.c (optimize_tail_call): Likewise.
3003         * tree-ssa-ccp.c (get_rhs, set_rhs): Reorg to use switch.
3004
3005 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
3006             Jakub Jelinek  <jakub@redhat.com>
3007
3008         * config/i386/i386.c (override_options): Enable
3009         SSE prefetches with -mtune, as long as we are
3010         compiling for i686 or higher.  All i686 processors
3011         accept SSE prefetches as NOPS, some i586's don't.
3012
3013 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
3014
3015         PR target/10567
3016         * config/sparc/sparc.md (update_return): Honor flag_delayed_branch.
3017
3018 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
3019
3020         * tree-ssa-operands.c (get_asm_expr_operands): Fix thinkos in
3021         the handling of clobbering ASM_EXPRs.
3022
3023 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
3024
3025         PR target/16430
3026         * config/sparc/sparc.c (function_value): In 64-bit mode,
3027         return the aggregates larger than 16 bytes like unions.
3028
3029 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
3030
3031         PR target/16199
3032         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): When
3033         'temp' is zero, generate new pseudos as needed and emit the
3034         sequence of insns in single-assignment form.  Resync comments
3035         with code.
3036         (sparc_emit_set_const64): Pass zero as 'temp' argument to above
3037         function before reload.
3038
3039 2004-07-08  Nathan Sidwell  <nathan@codesourcery.com>
3040
3041         * vec.c (vec_assert_fail): Remove duplicate 'function'.
3042
3043         * vec.c (vec_p_reserve, vec_o_reserve): Allocation is signed.
3044
3045         * vec.h (VEC_alloc, VEC_embedded_size, VEC_embedded_init):
3046         Allocation is signed.
3047         (VEC_reserve): Return flag, allocation is signed.
3048
3049 2004-07-08  Richard Henderson  <rth@redhat.com>
3050
3051         * tree-ssa-ccp.c (fold_stmt): Get type directly from
3052         OBJ_TYPE_REF_OBJECT.
3053
3054 2004-07-08  Joseph S. Myers  <jsm@polyomino.org.uk>
3055             Neil Booth  <neil@daikokuya.co.uk>
3056
3057         PR c/2511
3058         PR c/3325
3059         * c-decl.c (finish_struct): Ensure bit-fields are given the
3060         correct type.
3061         * c-common.c (c_common_signed_or_unsigned_type): For C, require
3062         the precision to match as well as the mode.
3063         * expr.c (reduce_to_bit_field_precision): New function.
3064         (expand_expr_real_1): Reduce expressions of bit-field type to
3065         proper precision.
3066         * langhooks.h (reduce_bit_field_operations): New hook.
3067         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
3068         Define.
3069         * c-lang.c, objc/objc-lang.c
3070         (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Define.
3071         * objc/objc-act.c (check_ivars): Convert types to bit-field types
3072         before checking.
3073         * tree.c (build_nonstandard_integer_type): New function.
3074         * tree.h (build_nonstandard_integer_type): New prototype.
3075         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't treat
3076         conversions between integer and boolean types as useless.
3077
3078 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
3079
3080         * c-common.c (c_common_nodes_and_builtins): Do not
3081         create __builtin_ptrdiff_t and __builtin_size_t.
3082
3083 2004-07-08  Andrew Pinski  <apinski@apple.com>
3084
3085         * Makefile.in (libbackend.o): Add -combine to the gcc
3086         command line.
3087
3088 2004-07-08  Nick Clifton  <nickc@redhat.com>
3089
3090         * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Define.
3091         Set to -Os.
3092
3093 2004-07-08  Richard Henderson  <rth@redhat.com>
3094
3095         * except.c (expand_eh_region_start, expand_eh_region_end,
3096         expand_eh_handler, expand_eh_region_end_cleanup,
3097         expand_start_all_catch, expand_start_catch, expand_end_catch,
3098         expand_end_all_catch, expand_eh_region_end_allowed,
3099         expand_eh_region_end_must_not_throw, expand_eh_region_end_throw,
3100         expand_eh_region_end_fixup): Remove.
3101         * stmt.c (struct nesting): Remove stack_level, innermost_stack_block,
3102         cleanups, outer_cleanups, label_chain, exception_region.
3103         (struct goto_fixup): Remove stack_level, cleanup_list_list.
3104         (struct label_chain): Remove.
3105         (struct stmt_status): Remove x_stack_block_stack.
3106         (stack_block_stack, expand_goto_internal, expand_fixup, expand_fixups,
3107         fixup_gotos, save_stack_pointer, expand_decl_cleanup,
3108         expand_decl_cleanup_eh, expand_cleanups, start_cleanup_deferral,
3109         end_cleanup_deferral, last_cleanup_this_contour,
3110         containing_blocks_have_cleanups_or_stack_level,
3111         any_pending_cleanups): Remove.
3112         (expand_null_return_1): Take no arguments.
3113         (expand_label, expand_naked_return, expand_return,
3114         expand_start_bindings_and_block, expand_end_bindings, expand_decl,
3115         expand_anon_union_decl, expand_start_case, pushcase, pushcase_range,
3116         expand_end_case_type): Don't use any of them.
3117         * calls.c (expand_call): Likewise.
3118         * dojump.c (do_jump): Likewise.
3119         * function.c (expand_function_end): Likewise.
3120         * expr.c (store_expr, expand_expr_real_1): Likewise.
3121         (safe_from_p): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR.
3122         (expand_expr_real_1): Don't handle WITH_CLEANUP_EXPR,
3123         CLEANUP_POINT_EXPR, TARGET_EXPR, TRY_CATCH_EXPR, CATCH_EXPR,
3124         EH_FILTER_EXPR, TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR.
3125         * fold-const.c (fold_checksum_tree): Use first_rtl_op.
3126         * gengtype.c (adjust_field_tree_exp): Remove rtl op handling.
3127         * gimplify.c (gimplify_cleanup_point_expr): Renumber operands
3128         for WITH_CLEANUP_EXPR.
3129         (gimple_push_cleanup): Likewise.
3130         * integrate.c (copy_decl_for_inlining): Don't DECL_TOO_LATE.
3131         * print-tree.c (print_node): Likewise.
3132         * tree-pretty-print.c (dump_generic_node): Remove GOTO_SUBROUTINE_EXPR.
3133         * tree.c (first_rtl_op): Always just TREE_CODE_LENGTH.
3134         (has_cleanups): Remove GOTO_SUBROUTINE_EXPR.
3135         * tree.def (WITH_CLEANUP_EXPR): Remove op1 and op2.
3136         (GOTO_SUBROUTINE_EXPR): Remove.
3137         * tree.h (WITH_CLEANUP_EXPR_RTL): Remove.
3138         (DECL_TOO_LATE): Remove.
3139         * except.h, tree.h: Update decls.
3140
3141 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
3142
3143         * explow.c (optimize_save_area_alloca): Do not accept parameters.
3144         * passes.c (rest_of_handle_final): Handle symout.
3145         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc):
3146         Push timevar here.
3147         (rest_of_handle_sched): Break out SMS.  Remove ifs for
3148         flag_schedule_insns and flag_modulo_sched.
3149         (rest_of_handle_addressof, rest_of_handle_cse2): Garbage
3150         collect at the end.
3151         (rest_of_handle_gcse2): Put under timevar TV_RELOAD_CSE_REGS.
3152         (rest_of_handle_partition_blocks, rest_of_handle_sms,
3153         rest_of_handle_if_after_reload, rest_of_handle_peephole2,
3154         rest_of_handle_mode_switching, rest_of_handle_jump,
3155         rest_of_handle_guess_branch_prob, rest_of_handle_eh,
3156         rest_of_handle_jump2, rest_of_handle_postreload,
3157         rest_of_handle_flow2, rest_of_clean_state,
3158         rest_of_handle_shorten_branches,
3159         rest_of_handle_prologue_epilogue,
3160         rest_of_handle_branch_target_load_optimize): New.
3161         (rest_of_compilation): Call the above.  Remove ggc_collect
3162         calls moved to rest_of_handle_*.
3163         * rtl.h (optimize_save_area_alloca): Do not accept parameters.
3164
3165         * dwarf2out.c (dwarf2out_begin_prologue): Use TREE_NOTHROW.
3166         * except.c (set_nothrow_function_flags): Set TREE_NOTHROW.
3167         * except.h (set_nothrow_function_flags): Update comment.
3168         * function.c (current_function_nothrow): Remove.
3169         * output.h (current_function_nothrow): Remove.
3170         * passes.c (rest_of_compilation): Do not set TREE_NOTHROW.
3171         * config/arm/arm.c (arm_compute_func_type): Use TREE_NOTHROW.
3172
3173 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
3174
3175         PR bootstrap/16326
3176         * reorg.c: Revert 2004-06-30 change.
3177         (find_end_label): If HAVE_epilogue and !HAVE_return,
3178         return 0 instead of creating a label at the end of the insn chain.
3179         (optimize_skip): Account for the failure mode of find_end_label.
3180         (fill_simple_delay_slots): Likewise.
3181         (fill_slots_from_thread): Likewise.
3182         (relax_delay_slots): Likewise.
3183
3184 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
3185
3186         * tree-flow.h (addressable_vars): Declare.
3187         * tree-ssa-alias.c (addressable_vars): Define.
3188         (setup_pointers_and_addressables): Add addressable variables
3189         to addressable_vars.
3190         * tree-ssa-operands.c (get_stmt_operands): Move
3191         handling of ASM_EXPRs ...
3192         (get_asm_expr_operands): ... here.
3193         When the ASM_EXPR clobbers memory, also clobber addressable
3194         variables.
3195         * tree-ssa.c (init_tree_ssa): Initialize addressable_vars.
3196         (delete_tree_ssa): Reset addressable_vars.
3197
3198 2004-07-07  Jan Beulich  <jbeulich@novell.com>
3199             Richard Henderson  <rth@redhat.com>
3200
3201         * varasm.c (assemble_variable): Use assemble_zeros for
3202         zero-initialized variables.
3203         (categorize_decl_for_section): Honor flag_zero_initialized_in_bss
3204         for SECCAT_BSS and SECCAT_TBSS.
3205
3206 2004-07-07  Jan Beulich  <jbeulich@novell.com>
3207
3208         * varasm.c (asm_output_bss): Don't declare unless BSS_SECTION_ASM_OP.
3209
3210         * expmed.c (emit_store_flag): Also special-case double-word
3211         (in-)equality comparison against -1.
3212
3213         * config/i386/i386.c (ix86_gimplify_va_arg): Don't need temporary for
3214         passing arguments the containers for which are registers.
3215
3216         * calls.c (emit_library_call_value_1): Use mode of function parameter
3217         rather than that of argument since constants have none.
3218
3219 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
3220
3221         Introduce H8SX support.
3222         * expr.c (expand_strcpy): Renamed and moved to...
3223         * builtins.c (expand_movstr): ... here.  Tweak.
3224         (expand_builtin_strcpy): Adjust.  Use movstr if len can't be
3225         computed or has side effects.
3226         (expand_builtin_stpcpy): Likewise.  Use strcpy if return value is
3227         unused, or if mempcpy fails.  Adjust the return value in the
3228         latter case.  Use movstr if everything else fails.
3229         * doc/md.texi (movstr): Document.
3230         (movmemM, clrmemM): Fix explanation of memory block operands.
3231         * config/h8300/h8300.md (stpcpy): Renamed to...
3232         (movstr): ... this.  Adjust.
3233         2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
3234         * config/h8300/h8300.md: Rename movstr*, except for movstrict*, to
3235         movmem* and clrstr* to clrmem*.
3236         2004-06-27  Alexandre Oliva  <aoliva@redhat.com>
3237         * config/h8300/h8300.c (h8300_reg_class_from_letter): Map 'D' to
3238         GENERAL_REGS, always.
3239         (h8300_swap_into_er6, h8300_swap_into_er6): Handle the case of
3240         getting the stack pointer as addr.
3241         * config/h8300/h8300.h (PREDICATE_CODES): Remove constant rtxes
3242         from general_operand_dst.
3243         * config/h8300/h8300.md (movmd_internal_normal): New, normal-mode
3244         variant of...
3245         (movmd_internal): ... this.  Add modes to operands.  Disparage `D'
3246         instead of requiring it to match only before reload.
3247         (stpcpy_internal_normal): New, normal-mode variant of...
3248         (stpcpy_internal): ... this.  Add modes to operands.  Disparage
3249         `D' instead of requiring it to match only before reload.
3250         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Add
3251         mode argument.
3252         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Pass it to...
3253         * config/h8300/h8300.c (h8300_legitimate_address_p): Pass it to
3254         h8300_get_index.
3255         * config/h8300/h8300.md (attr type): Add call.
3256         (attr can_delay): If type is call, set it no.
3257         (call, call_value): Set type to call.
3258         2004-06-21  Alexandre Oliva  <aoliva@redhat.com>
3259         * config/h8300/h8300.md (logicalhi3_sn, logicalsi3_sn): New.
3260         2004-06-16  Alexandre Oliva  <aoliva@redhat.com>
3261         * tree.c (get_narrower): Don't narrow integral types into
3262         non-integral types.
3263         * config/h8300/h8300.c (h8300_expand_epilogue): Initialize
3264         frame_size *before* the first use.
3265         * config/h8300/h8300.md (movstrictqi): Reintroduce post-increment
3266         on input.
3267         (peephole2): Don't widen instructions that push SP.  Move
3268         decrement of SP to the end of all stm-generating peepholes.
3269         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
3270         * config/h8300/h8300.md (insv): Prefer to use AND to clear a bitfield
3271         and OR to set it to all ones.
3272         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
3273         * config/h8300/h8300.md (can_delay): Default to "no" for bit branches.
3274         (call, call_value): Set can_delay to "no".
3275         2003-07-22  Richard Sandiford  <rsandifo@redhat.com>
3276         * config/h8300/h8300.md (extzv): Make subreg check more robust.
3277         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
3278         * config/h8300/h8300.md (*brabit): Remove.
3279         * config/h8300/h8300.md (*brabc, *brabs): Remove mode from
3280         zero_extract.  Use bit_memory_operand as the predicate for
3281         operand 1 and 'WU' as the constraint.  Check the difference
3282         between the base length and the final one when deciding which
3283         type of branch to use.
3284         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
3285         * config/h8300/h8300.md (extzv): Remove mode from operands 0 and 1.
3286         Use convert_move to extend the result for TARGET_H8300SX.  Check
3287         for QImode memory references.  Optimize the case where the
3288         destination is a paradoxical subreg.
3289         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
3290         * config/h8300/h8300.md (*movsf_h8sx): Add an r <- G alternative.
3291         * config/h8300/h8300.md (andqi): Remove bclr from h8sx version.
3292         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
3293         * config/h8300/h8300.md: Include mova.md
3294         (length_table): Add mova and mova_zero.
3295         * config/h8300/h8300.c (print_operand): Handle '%o'.  Print a length
3296         after all constant addresses for '%R', '%X', '%T' and '%S'.
3297         (h8300_mova_length): New function.
3298         (h8300_insn_length_from_table): Use it to handle mova and mova_zero.
3299         * config/h8300/t-h8300 (mova.md): Generate from genmova.sh.  Add to
3300         dependencies for s-config, etc.
3301         * config/h8300/gemova.sh: New file.
3302         * config/h8300/mova.md: Generated.
3303         2003-07-20  Alexandre Oliva  <aoliva@redhat.com>
3304         * config/h8300/h8300.c (h8300_bitfield_length): New.
3305         (nibble_operand): Adjust.
3306         (h8300_binary_length): Handle conditional binary op.
3307         (h8300_insn_length_from_table): Handle bitfield and bitbranch.
3308         * config/h8300/h8300.h: Change constraints W# and Y# to P#>X and
3309         P#<X, respectively.  The original P is now IP4>X.  Introduced P#>0
3310         and P#<0, unused so far.  W and Y are now prefixes to multi-letter
3311         constraints.  WU is introduced as a variant of U that requires a
3312         mem, and is therefore considered an EXTRA_MEMORY_CONSTRAINT.
3313         * config/h8300/h8300.md (attr type): Added bitbranch.
3314         (attr length_table): Added bitfield and bitbranch.
3315         (attr length): Compute bitbranch length.
3316         (andqi): Separate pattern for H8300SX.  Use bfld for loading the
3317         least-significant bit of a byte.
3318         (brabit, brabc, brabs): New.
3319         (insv, extzv): Emit bfst and bfld on H8300SX.
3320         (bfld, bfst, seq, sne): New.
3321         (bstzhireg, cmpstz, bstz, bistz): New.
3322         (cmpcondbset, condbset, cmpcondbclr, condbclr): New.
3323         (cmpcondbsetreg, condbsetreg, cmpcondbclrreg, condbclrreg): New.
3324         2003-07-11  Richard Sandiford  <rsandifo@redhat.com>
3325         * config/h8300/h8300.c (h8sx_binary_memory_operator): New function.
3326         (h8sx_unary_memory_operator): New function.
3327         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Disable.
3328         (PREDICATE_CODES): Add h8sx_{unary,binary}_memory_operator.
3329         * config/h8300/h8300.md: Add peepholes to combine reloads and
3330         arithmetic insns.
3331         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
3332         * config/h8300/h830.md (cmpqi): Use 'i' rather than 'n' in constraints.
3333         (*cmphi_h8300hs, *addqi3, *addhi3_h8sx, subhi3): Likewise.
3334         (and?i, ior?i, xor?i): Likewise.
3335         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
3336         * config/h8300/h8300.c: Move enums and prototypes to head of file.
3337         Various whitespace fixes.
3338         (h8300_constant_length): New function, split out from...
3339         (h8300_displacement_size): ...here.  Rename h8300_displacement_length.
3340         (h8300_classify_operand): Use IN_RANGE.
3341         (h8300_classify_operand): Use h8300_constant_length.
3342         (h8300_short_move_mem_p): Tighten size check.
3343         (h8sx_mergeable_memrefs_p): Tighten equality check.
3344         2003-06-30  Richard Sandiford  <rsandifo@redhat.com>
3345         * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Define __H8300SX__
3346         for -msx.
3347         * config/h8300/crti.asm: Use .h8300sx or .h8300sxn for -msx code.
3348         * config/h8300/crtn.asm: Likewise.
3349         * config/h8300/lib1funcs.asm: Likewise.  Use 32-bit pointers
3350         if __H8300SX__ is defined.
3351         2003-06-27  Richard Sandiford  <rsandifo@redhat.com>
3352         * config/h8300/h8300-protos.h (h8300_get_index): Add mode parameter.
3353         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Update accordingly.
3354         (GO_IF_MODE_DEPENDENT_ADDRESS): Treat POST_DEC, PRE_INC and indexed
3355         addresses as mode-dependent.
3356         * config/h8300/h8300.c (print_operand_address): Update call to
3357         h8300_get_index.
3358         (h8300_get_index): Take a mode argument.  Rework to fix an
3359         earlier misunderstanding.
3360         2003-06-26  Richard Sandiford  <rsandifo@redhat.com>
3361         * config/h8300/h8300.c (zero_extendqisi2): Force the source operand
3362         into a register if TARGET_H8300SX.
3363         (*zero_extendqisi2_h8300hs, *extendqisi2_h8300): Disable for
3364         TARGET_H8300SX.  Also disable related define_splits.
3365         (*zero_extendqisi2_h8sx, *extendqisi2_h8sx): New patterns.
3366         2003-06-23  Richard Sandiford  <rsandifo@redhat.com>
3367         * config/h8300/h8300.c (h8300_rtx_costs): Add h8sx handling.
3368  &