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