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